CN1908557A - Refrigerator - Google Patents

Abstract

A refrigerator, which improves the convenience of use and increases the storage space at a suitable height through reasonable design of the configuration of a compressor, an evaporator, a condenser, and a defrosting water evaporation device. The 1st recessed part (62) is set and configures compressor (63) at the top rear of the refrigerating chamber (51) of the uppermost part, and the 2nd recessed part (82) is set at the lower part rear of the freezing chamber (54) of the lowermost part and is arranged by evaporation. The defrosting water evaporating device composed of dish (84) and condenser pipeline (87) is configured with cooling chamber (70) containing evaporator (76) at the rear of the freezing chamber, and the first recess (62), cooling chamber (70), the second concave portion (82) is designed to be on a substantially straight line along the up-down direction behind the heat-insulating box (50), thus, the associated equipment of the refrigeration cycle can be concentrated in an inconvenient area to increase the available capacity. The space inside the box is effectively utilized and the convenience of use is greatly improved.

Description

refrigerator

technical field

The present invention relates to a refrigerator capable of effectively utilizing the internal volume of a storage room by arranging refrigeration cycle-related equipment such as a compressor, a condenser, an evaporator, and a defrosting water evaporator.

Background technique

In recent years, from the standpoint of global environmental protection, refrigerators have been progressing towards more energy saving, and at the same time, they have sought improvements in their usability and storage properties.

In conventional refrigerators of this type, a machine room is formed in the outer rear area of the lowermost storage room, and the compressor of the refrigerating cycle is generally housed in the machine room. The storage space is encroached to reduce the storage volume, and the spatial shape of the storage space becomes a complicated shape except the protruding part of the machine room, so that the storage performance becomes poor.

For the purpose of solving such conventional storage problems, as in Japanese Patent Laid-Open No. 2001-99552, a refrigerator is proposed in which a recess is provided so that the uppermost part of the storage compartment of the heat-insulating box is lowered. The recessed portion accommodates components on the high-pressure side such as a compressor of the refrigeration cycle in the recessed portion.

Fig. 9 is a cross-sectional view showing a conventional refrigerator described in JP-A-2001-99552.

As shown in FIG. 9 , the heat-insulating box 1 has a refrigerator compartment 2 , a freezer compartment 3 , and a vegetable compartment 4 in order from the top, and a refrigerator compartment revolving door 5 is provided on the front opening of the refrigerator compartment 2 . Moreover, considering the storage and usability of the freezer compartment 3 and the vegetable compartment 4 located at the lower part from the center of the heat insulating box 1, drawer-type freezer compartment drawer doors 6 and vegetable compartment drawer doors 7 for easy removal are provided. A plurality of storage shelves 8 are installed in the box of the refrigerator compartment 2 , and storage containers 9 a and 9 b having an upper surface opening are attached to the freezer compartment 3 and the vegetable compartment 4 . The storage containers 9a, 9b are supported on rails (not shown) and rollers so as to be movable in the front-rear direction.

The recess 10 provided on the heat insulating box is a position where the back of the top surface across the upper surface 11 of the outer case and the back 12 of the outer case is recessed in such a way that the uppermost back of the refrigerator compartment 2 descends. The left and right sides of the recess 10 are blocked by the left and right walls of the heat-insulating box 1, and the top and back are open. The opening of the recess 10 is covered by a recess cover 15. Right-angled backboard 14 constitutes. Furthermore, the recess cover 15 is detachably fixed to the heat insulating box 1 by screws.

A compressor 16 and a condenser 17 , which are components of the refrigeration cycle, are housed in the recess 10 together with a machine room fan 18 and covered by a recess cover 15 composed of an upper plate 13 and a back plate 14 .

And the evaporator 20 and the fan 21 as the refrigeration cycle constituting equipment are arranged at the back of the freezer compartment 3 in the middle section of the heat-insulating box, and the vegetable compartment 4 as the lowermost storage compartment is formed with a deep depth.

Thus, compared with accommodating the compressor 16 and the condenser 17 in the lower part of the back of the heat-insulating box 1, the inner volume of the vegetable compartment 4 as the lowest storage compartment can be enlarged and deepened, and the storage compartment can also be made deep. The space shape of the chamber does not become a complicated shape due to the dead space of the compressor 16 and the like, and the storage property is improved.

However, in the conventional structure described above, by arranging the compressor 16 and the condenser 17 on the ceiling portion of the heat insulating box 1, the required storage volume of the recessed portion 10 is increased, and the amount of protrusion of the recessed portion 10 toward the uppermost storage compartment is increased. further increase. Moreover, although the internal volume and depth of the vegetable compartment 4 as the lowermost storage compartment can be increased to improve storage, but because there is a cooling compartment, the cooling compartment only arranges the evaporator 30 and the cooling system at the back of the freezing compartment 3. The fan 31 reduces the depth of the freezer compartment 3 formed in front of the cooling compartment, and becomes substantially the same as the depth of the vegetable compartment 4 adjacent to the lower part.

For this reason, the shape of the concave portion 10 located at the right line of sight when the refrigerating compartment swing door 5 is opened is eye-catching, which not only gives the user an uncomfortable feeling, but also reduces the storage space.

Furthermore, since the depth of the freezer compartment 3 is small, it is inconvenient to use compared with the vegetable compartment 4 and gives the impression of being narrow. In particular, considering the current social environment, increasing the demand for freezers due to the increase in double-career families, it is important to increase the storage capacity and storage performance of the freezer.

In the above-mentioned conventional structure, the compressor 16 is removed from the area of the lowermost storage room to improve the storage capacity, but since the configuration of the condenser 17 and the evaporator 20 has not been seriously studied, a large The volume is used to install the compressor 16 and the condenser 17 in the recess 10 provided on the top surface of the heat-insulating box 1, so that the storage capacity of the upper periphery of the refrigerator compartment 2, which is the uppermost storage compartment, is deteriorated. Furthermore, if the protrusion amount of the recessed part 10 to the refrigerator compartment 2 becomes large, there exists a problem that a user will feel a pressure when opening a door, and design property will deteriorate.

Furthermore, since the compressor 16 and the condenser 17, which are accompanied by high-temperature heat release, are arranged at the upper part at the same time, the defrosting water evaporator, which is indispensable for evaporating and processing the defrosting water discharged from the evaporator 20, is effective for promoting The heating mechanism for evaporating is arranged on the upper part of the evaporator 20. Therefore, for example, a complicated structure such as a lifting mechanism for the defrosting water is required, or other mechanisms for promoting the evaporation of the defrosting water are used instead of the heating mechanism. The overall function related to the refrigerating cycle can be maintained smoothly, and it cannot be rationally put into practical use in a refrigerator with an upper compressor.

Furthermore, the evaporator 20 arranged at the back of the freezer compartment 3, which is the lowermost storage compartment directly above, is located at a position higher than the bottom surface, and the cooling compartment housing the evaporator 20 protrudes into the freezer compartment 3 greatly. , so that the depth of the box is violated and the storage volume is reduced, and the storage performance is deteriorated.

Moreover, there is a difference in storage capacity and storage performance between the storage room at the bottom and the storage room directly above it, that is, the freezer compartment 3 and the vegetable compartment 4. In the case of a drawer-type storage room, the amount of pull-out of the storage containers 9a, 9b The difference between them leads to a problem of ease of use, and also a problem of manufacturing cost.

Contents of the invention

The object of the present invention is to provide a design structure of a refrigerator, which is to solve the above-mentioned problems in the past, by carefully studying the arrangement structure of the refrigeration cycle-related equipment that obtains an ineffective space, thereby improving the storage at a height that is easy for the user to use. Volume and storage.

In order to solve the above conventional problems, the refrigerator of the present invention is characterized in that it includes: an insulated box and a door forming the main body of the refrigerator, a compressor, an evaporator, and a condenser for a refrigeration cycle, and the evaporator The defrosting water evaporating device, the compressor is arranged outside the heat insulating box higher than the evaporator arranged inside the heat insulating box, and the heat insulating box below the evaporator The defrosting water evaporating device is arranged outside the body. Moreover, the condenser is arranged outside the heat-insulating box below the evaporator, and serves as a heating source for the defrosting water evaporating device.

Furthermore, the compressor is disposed in a first recess formed behind the top of the exterior of the heat-insulating box, and the defrosting water evaporator is disposed in a second recess formed in the second recess. bottom rear of the outside of the insulated box.

Thus, the compressor is excluded from the rear of the lower part of the heat-insulating box, which can improve the efficiency due to the improvement of heat dissipation, and at the same time satisfy the defrosting water evaporation function of the evaporator, so the function of the refrigeration cycle related equipment can be maintained, and at the same time Increase the space inside the box at a suitable height for users to use conveniently.

Moreover, by dispersing and housing the compressor and the defrosting water evaporating device, the compressor and the defrosting water evaporating device are arranged in a space that is difficult to reach even if the user reaches out, so that the actual influence on the inside of the box can be reduced, and the space in the box can be further effectively used .

The refrigerator of the present invention maintains and improves the functions of the refrigerating cycle-related equipment, and at the same time, can reduce the actual impact on the invalid space inside the box, and increase the space inside the box at a suitable height for users to use conveniently.

Description of drawings

Fig. 1 is a front view of a refrigerator according to Embodiment 1 of the present invention.

Fig. 2 is a front view of the heat insulating box in a state where the door of the refrigerator according to Embodiment 1 is opened.

Fig. 3 is a sectional view taken along line B-B of Fig. 1 .

Fig. 4 is a main part side view of the rear part of the top surface of the heat insulating box of the refrigerator in the same embodiment.

Fig. 5 is an exploded side view of main parts of the rear part of the bottom surface of the heat insulating box of the refrigerator according to the same embodiment.

Fig. 6 is a sectional view of a refrigerator according to Embodiment 2 of the present invention.

Fig. 7 is a sectional view of a refrigerator according to Embodiment 3 of the present invention.

Fig. 8 is a sectional view of a refrigerator according to Embodiment 3 of the present invention.

Fig. 9 is a sectional view of a conventional refrigerator.

In the figure, 50, 201, 301, 401-insulated box, 51, 302, 402-refrigerating chamber, 51a, 305, 404-refrigerating chamber door, 52-ice-making chamber, 52a-ice-making chamber door, 53-th 1 freezer, 53a-1st freezer door, 54-2nd freezer, 54a-2nd freezer door, 55, 304-vegetable compartment, 55a, 306-vegetable compartment door, 62-1st recess, 63- Compressor, 66-outline of the first recess, 70, 202-cooling chamber, 76-evaporator, 82, 203-second recess, 83, 204-condenser, 84, 205-evaporating dish, 87-evaporating dish Pipeline (condenser pipeline), 79, 86-fan, 303, 403-freezer, 307, 405-freezer door.

Detailed ways

The invention described in claim 1 is a refrigerator characterized by comprising an adiabatic box and a door forming a main body of the refrigerator, a compressor for a refrigeration cycle, an evaporator, and a condenser, and the evaporator. In the defrosting water evaporating device, in addition, the compressor is provided outside the heat-insulating box above the evaporator provided inside the heat-insulating box, and the heat-insulating box below the evaporator The defrosting water evaporating device is arranged outside the box body. As a result, the compressor is excluded from the rear of the lower part of the heat-insulating box, which can improve the efficiency of heat dissipation and at the same time satisfy the defrosting water evaporation function of the evaporator, so while maintaining the functions of the refrigeration cycle related equipment, it is suitable for use Or, it can increase the space inside the box with convenient and suitable height position.

The invention described in technical solution 2 is: in the invention described in technical solution 1, the condenser is arranged outside the heat-insulating box below the evaporator, as a part of the defrosting water evaporating device. heating source. As a result, even if the compressors are arranged separately, the acceleration of evaporation of the defrosting water can be obtained by using part of the heat of condensation of the condenser without relying on the heat dissipation of the compressors.

The invention according to claim 3 is: in the invention according to claim 2, the compressor is arranged in a first recess formed behind the top of the outside of the heat insulating box, and the defrosting The water evaporating device is disposed in a second recess formed behind the bottom of the exterior of the heat insulating box. As a result, the compressor is not arranged behind the lower part of the heat-insulating box, and the back of the top, which is difficult for users to touch, can be effectively used. Moreover, by dispersing and storing the compressor and the defrosting water evaporator, the impact on the inside of the box can be reduced. The practical impact of dead space is more efficient use of box space.

The invention according to claim 4 is: in the invention according to claim 3 , the evaporator is disposed in a cooling chamber formed behind the inside of the heat insulating box, and the first recess and the cooling The chamber and the second recess are arranged substantially on a straight line in the vertical direction along the rear of the heat insulating box. As a result, the main related equipment of the refrigeration cycle can be concentrated in the up and down direction of the recessed part of the heat-insulating box, the impact on the space in the front box can be suppressed, the actual effective space can be enlarged, and the convenience of use can be improved.

The invention according to claim 5 is the invention according to claim 4 , wherein the second concave portion is arranged so as to be housed behind the front end surface of the cooling chamber. Thereby, since a well-shaped and simple box interior space can be provided in the lower box interior space, usability can be further improved.

According to the invention of claim 6, in the invention of claim 2, the condenser is disposed at the bottom of the outside of the heat-insulating box, whereby the cooling of the refrigerator can be achieved by moving the refrigerator, etc. There is a gap between the refrigerator and the bottom surface, and a condenser can be placed in the gap to effectively use the invalid space and expand the space in the box.

Moreover, the hot air released by the condenser in the front passes through the upper surface of the evaporating dish in the second concave part at the rear and allows natural convection, so that the temperature of the water remaining in the evaporating dish can be raised and the evaporation capacity can be improved.

In the invention according to claim 7 , in the invention according to claim 3 , the condenser is arranged in the second concave portion, whereby the connection of the refrigeration cycle can be concentrated in the vertical direction of the concave portion of the heat insulating box. The equipment can minimize the impact on the space inside the box, expand the actual effective space, and improve the convenience of use.

The invention according to claim 8 is: in the invention according to any one of claims 3 to 5, a fan for forced convection is provided in the first recess to form a first duct for air convection in the left and right directions. . Thus, the width of the left and right directions of the main body of the refrigerator can be effectively utilized and a heat release duct with small ventilation resistance can be formed. Thermal influence inside the box.

The invention according to claim 9 is: in the invention according to any one of claims 3 to 7, a fan for forced convection is provided in the second recess to form a second duct for air convection in the left and right directions. . Thus, the width of the left and right direction of the main body of the refrigerator can be effectively utilized and a heat release duct with small ventilation resistance can be formed. Since the evaporation of the defrosted water accumulated on the evaporating dish of the defrosted water evaporator can be promoted, the cooling of the condenser can also be promoted. Therefore, the defrost water evaporator or condenser can be miniaturized and the ineffective space affecting the inner side of the tank can be suppressed. Furthermore, by increasing the heat radiation effect, the efficiency of the refrigeration cycle can be improved, the reliability can be improved, and the thermal influence on the inside of the box can be reduced.

Furthermore, if the compressor is arranged separately around the bottom of the heat-insulating box, the temperature difference with the inside of the box becomes smaller, and condensation occurs due to a decrease in the surface temperature of the heat-insulating box. The air is not smooth, and the surface temperature can be increased by improving the surface heat transfer, which can suppress the problem of condensation.

The invention according to claim 10 is: In the invention according to any one of claims 3 to 7, fans for forced convection are provided in the first recess and in the second recess, respectively formed on the left and right sides. The first duct and the second duct that conduct air convection in the same direction, and the exhaust port of the first duct and the exhaust port of the second duct are arranged in the same direction. Thus, the width of the left and right direction of the main body of the refrigerator can be effectively utilized and a heat release duct with small ventilation resistance can be formed. Reduction of inside thermal influence.

Moreover, since the evaporation of the defrosted water accumulated on the evaporating pan of the defrosted water evaporator can be promoted, the heat release of the condenser can also be promoted, so the defrosted water evaporator or condenser can be miniaturized and the impact on the tank can be suppressed. Invalid space for medial effects. Furthermore, by increasing the heat radiation effect, the efficiency of the refrigeration cycle can be improved, the reliability can be improved, and the thermal influence on the inside of the box can be reduced.

Moreover, if the compressor is arranged separately around the bottom of the heat-insulating box, the temperature difference with the inside of the box becomes smaller, and condensation occurs due to a decrease in the surface temperature of the heat-insulating box. The air is not smooth, and the surface temperature can be increased by improving the surface heat transfer, which can suppress the problem of condensation.

Further, the air containing the exhaust heat discharged from the exhaust port of the second pipeline at the lower part is no longer directly sucked into the air intake port of the first pipeline at the upper part and does not hinder the heat release of the compressor in the first concave part, which can improve the performance as The overall heat release efficiency of the refrigerator.

The invention according to claim 11 is: in the invention according to any one of claims 3 to 5, the outer contour of the first recess is formed by resin molding, whereby the housing can be integrally formed in another way by resin molding. The odd-shaped and complex-shaped machine room part of the compressor can obtain improved workability and improved installation accuracy due to the simplification of the machine room installation, suppress the manufacturing cost, and provide high-quality and reasonable supply of the upper part of the compressor. refrigerator.

In addition, the rigidity is increased by the resin-molded reinforcement structure of the machine outer shell or the appropriate joint structure with the outer box, and the vibration is attenuated by joining the outer box made of a metal plate, which represents a steel plate, and the resin-molded machine outer shell of a different material. It can suppress the noise and vibration of the compressor from propagating to the main body of the refrigerator, and prevent the occurrence of resonance sound of the components in the box. Or the uncomfortable feeling of the occupants.

In addition, the outer contour of the machine is integrally molded by resin and joined to the outer box of the main body of the refrigerator. With this configuration, even if there is a gap between products with different shapes of the refrigerator in the manufacturing process, it can be obtained. Possibility of sharing or standardizing machine room parts.

Furthermore, by careful consideration of the manufacturing process, a method has been conceived in which various components such as a compressor can be pre-installed on the outer contour of the machine room formed by resin for preliminary assembly, and then the preliminary assembly of the machine room can be installed in the refrigerator. The method of jointing the outer case of the main body, and then connecting the refrigerant pipes, etc., thereby seeking to improve productivity by rationalizing the manufacturing process or by adopting common use and standardization of pre-installed parts reduction in manufacturing costs.

The invention described in technical claim 12 is: in the invention described in any one of technical claims 4 to 5, the heat insulating box is divided up and down to form a plurality of storage rooms, and the uppermost part of the storage rooms is The storage room in the storage room is used as a refrigerating room and the first recess is arranged outdoors at the upper rear, the lowermost storage room is used as a freezing room and the second recess is arranged outdoors at the lower rear, and at the lowermost The cooling chamber is set at the rear of the storage room. Thus, the compressor can be placed opposite to the refrigerating room, and the compressor has the greatest influence on the temperature inside the box. The most ineffective space is obtained by effectively using the rear of the uppermost section in the box. The rear of the uppermost section in the box is the part that is not often used because the user's hands are difficult to reach, the most difficult to use, and the temperature distribution is high. .

Furthermore, since the cooling chamber containing the evaporator is at least opposed to the lowest freezer compartment, the cooling effect of the evaporator can be directly and maximized for the freezer compartment maintained at the lowest temperature, so the upper part of the compressor is arranged together. , on the space side and the cooling side, it is possible to realize a reasonable design of refrigeration cycle-related equipment that does not affect the actual inside of the box.

Moreover, since the cooling chamber having the evaporator is disposed at least behind the lowermost freezing chamber, the center of gravity of the refrigerator, which has been raised due to the upper part of the compressor, can be lowered, and safety can be provided by improving the stability of the refrigerator from falling. Refrigerator with top compressor. Furthermore, the center of gravity can be further lowered by disposing the condenser at the lower part, so that the stability can be further improved.

The invention described in technical solution 13 is: in the invention described in technical solution 12, the door of the uppermost storage room is a rotary door, and the door of the storage room below the uppermost storage room is a drawer In this way, by making the door of the lower storage room a drawer-type door, the center of gravity of the refrigerator moves forward when the door is pulled out, and the main body of the refrigerator tends to tilt forward especially when the storage is heavy. However, corresponding to this, even if the compressor is arranged on the upper part, the heavy refrigeration cycle-related equipment is scattered and arranged in the lower part of the main body of the refrigerator, and by concentrating the compressor and the refrigeration cycle-related equipment The rear of the main body of the refrigerator can set the center of gravity in the lower direction and the rear direction, which can improve the stability of refrigerators with compressors installed above and ensure safety against falls.

Hereinafter, embodiments of the refrigerator according to the present invention will be described with reference to design drawings, but the same configurations as those of the previous embodiments will be assigned the same symbols, and detailed descriptions thereof will be omitted. In addition, this invention is not limited to this embodiment.

(Embodiment 1)

Fig. 1 is a front view of a refrigerator according to Embodiment 1 of the present invention, Fig. 2 is a front view of an insulated box with the door of the refrigerator of the same embodiment opened, and Fig. 3 is a sectional view taken along line B-B of Fig. 1 , and Fig. 4 is a side view of main parts of the top surface rear part of the heat insulating box of the refrigerator in the same embodiment, FIG. 5 is an exploded side view of the main parts of the bottom surface rear part of the heat insulating box of the refrigerator in the same embodiment, and FIG. 6 is Sectional view of a refrigerator of the same embodiment of the present invention.

In FIGS. 1 to 5 , an insulated box body 50 formed by heat insulating materials such as rigid polyurethane foam and surrounding heat is divided into a plurality of areas to form a storage room, and the uppermost storage room is set as a refrigerator room 51. Ice-making compartment 52 and first freezer compartment 53 partitioned by a heat-insulating partition wall are arranged side by side right under the refrigerating compartment. The storage compartment at the lowest stage is the second freezer compartment 54, and the vegetable compartment 55 is disposed directly above the second freezer compartment 54 between the ice making compartment 52, the first freezer compartment 53, and the second freezer compartment 54. . The second freezer compartment 54 and the vegetable compartment 55 are both in the form of a drawer storage compartment. The front opening of each storage compartment includes a rotary refrigerator compartment door 51a, a drawer-type ice maker door 52a, a first freezer compartment door 53a, a second freezer compartment door 54a, and a vegetable compartment door 55a, each of which is an insulated door.

For refrigerated storage, the refrigerator compartment 51 is usually set at 1° C. to 5° C. with the non-freezing temperature as the lower limit, and the temperature of the vegetable compartment 55 is usually set at the same temperature as the refrigerator compartment 51 or a slightly higher temperature, that is, 2° C. to 7° C. ℃, the longer the low temperature and high humidity are maintained, the more fresh the leafy vegetables can be maintained.

The first freezer compartment 53 and the second freezer compartment 54, which are storage compartments in the freezing temperature zone, are set at -18°C, which is sufficient for freezing and storing frozen foods, but in order to improve the frozen storage state, there are also settings at about -30°C, for example. In case of low temperature setting.

The top of the heat-insulating box 51 is composed of a first top 60 and a second top 61 with stepped recesses facing the back direction, and a compressor 63 and a compressor for circulating refrigerant are accommodated in the stepped first recesses 62 . The components on the high-pressure side of the refrigeration cycle, such as the piping 63a and the drying machine (not shown) for removing moisture, also accommodate the forced convection fan, which is the machine room, for exhausting heat from the air in the first recess 62. The fan 79 forms the first duct through which the air flows along the left and right directions of the main body of the refrigerator.

Generally, the step-shaped first concave portion 62 forms a notch 65 of a space size for placing the compressor 63 on the first top portion 60 made of a metal plate or the like as the outer contour of the heat insulating box 50 . The top of the formed outer box 64, in addition, in the cutout 65, the resin member 66 integrally formed with the front wall, the left and right side walls and the second top 61 for mounting the compressor 63 is embedded as an outer contour. The shape of the first recess 62 is formed. The first recess 62 is open upward and rearward, and covers the compressor 63 with a recess cover 62a. In addition, by inserting an elastic body 67 such as rubber or resin in the fixing portion of the compressor 63 provided on the second top portion 61, vibration propagation can be prevented. Inner box 68 formed in heat insulating box 50 is bent along the shape of resin member 66, and inner box 68 near the uppermost end of refrigerating room 51 is provided in a shape protruding inward. Further, a heat insulating foam material 69 is injected between the outer case 64 and the inner case 68 to insulate the refrigerator compartment 51 and the first recess 62 . In addition, the notch 65 is placed in the first top portion 60 of the outer case 64, and in order to increase the strength of the first concave portion 62 where the compressor 63 is placed, a reinforcement member (not shown) is generally provided around the notch 65 to reinforce it. , is the most ideal. Therefore, conventionally, the compressor 63 is generally arranged in the rear area of the storage room at the lowermost part of the heat insulating box 51 .

Moreover, a cooling chamber 70 is provided on the back side of the two chambers straddling the second freezing chamber 54 and the vegetable chamber 55. The cooling chamber 70 is provided with a first partition wall 71 having a heat-insulating property as a partition wall, and the second freezing chamber 54 and the vegetable chamber are separated. Room 55 is separated.

And the 2nd freezer compartment 54 and the vegetable compartment 55 are partitioned off by the 2nd partition wall 72 which has the heat insulation property as a heat insulation partition wall. Moreover, the refrigerating room 51, the ice making room 52, and the first freezing room 53 are separated by a third partition wall 73 having heat insulation properties, and the ice making room 52, the first freezing room 53, and the vegetable room 55 are separated by having the same heat insulation. The fourth partition wall 74 separates it. Since these partition walls are assembled after foaming the heat-insulating box 50, polystyrene is used as a general heat-insulating material, but rigid polyurethane can also be used in order to improve heat-insulating performance or rigidity, and furthermore, to insert higher heat-insulating It is a permanent vacuum insulation material and can also achieve thinning of the partition wall structure. Furthermore, when the hinge (not shown) for turning the refrigerator compartment door 51a such as the third partition wall 73 is provided on the surface, etc., and strength and rigidity are required, it can be installed before foaming the foam heat insulating material. , is integrally formed with the heat insulating box body 50 .

And the ice making compartment 52 and the 1st freezer compartment 53 are partitioned off by the 5th partition wall 75. As shown in FIG. For example, if the first freezer compartment 53 is set in a temperature-adjustable room and there is a temperature difference with the ice-making compartment, the fifth partition wall 75 may use a heat-insulating partition wall made of a heat-insulating material as necessary.

In the cooling chamber 70, including the rear area of the first partition wall 71, a finned tube type evaporator 76 is arranged vertically in the vertical direction across the second freezing chamber 54 and the vegetable chamber 55, so that the area of the second freezing chamber 54 The arrangement ratio of the vegetable compartment 55 is larger than the arrangement ratio of the area of the vegetable compartment 55 . In the upper space of the evaporator 76, in order to send cold air to each storage room by forced convection, a cooling fan 77 is arranged. The cooling fan 77 is used to send cold air cooled by the evaporator 76, and has: An air duct (not shown) for the refrigerating room that sends cold air, an air duct (not shown) for the ice making room that sends cold air to the ice making room 52 and the first freezing room 53, and an air duct (not shown) for sending the cold air to the second freezing room. The chamber 54 is an air supply duct for a freezer (not shown) that sends cool air. A glass tube radiant heater 78 is provided in the lower space of the evaporator 76 as a defrosting device for melting frost or ice adhering to the evaporator 76 or the cooling fan 77 during cooling.

At the rear of the bottom surface of the heat insulating box 50 , there is provided a concave portion upward toward the back direction, and the first bottom surface portion 80 and the second bottom surface portion 81 are provided with a stepped second concave portion 82 . The second concave portion 82 is formed by punching a metal steel plate to form the two bottom surfaces 80, 81. Generally, it is formed by setting the inner left and right sides near the lower end of the outer case 64 and the joining surface of the back plate 64a, but it may also be formed by a steel plate and Resin mounting or resin after molding processing and other configurations.

Moreover, from the first bottom portion 80 to the second concave portion 82, a plurality of rolling wheels that can move the refrigerator along the front and rear directions are usually installed at the front and back of the heat-insulating box 50, and a space is formed between the floor surface on which the refrigerator is placed. . Moreover, it has a structure in which a condenser 83 for a refrigeration cycle is arranged in front of the heat insulating box 50 in this space, and an evaporator 84 for storing water defrosted by the evaporator 76 and a heat radiation fan 86 are arranged behind it. The heat fan 86 is used for convection in the space from the first bottom portion 80 to the second concave portion 82, and forms a second duct along the left-right direction of the main body of the refrigerator.

In addition, the exhaust port of the second duct is formed in the same side direction as the exhaust port of the first duct formed in the first recess 62, and the exhaust heat air of the second duct is directly discharged without being sucked into the first duct. suction port of the pipe.

Furthermore, a drain pipe 89 for sending defrosted water from the radiant heater 78 to the evaporating pan 84 is provided so as to extend from the second bottom surface portion 81 to the second recess 82 , and the rear opening is covered by the recess cover 82 a.

As a representative spiral fin tube type, the condenser 83 is embedded in a resin-molded condenser pipe 85 and attached to the first bottom surface portion 80 by screw members. However, the evaporating dish 84 is configured from the first bottom surface 80 to the second bottom surface 81 substantially over the entire width of the heat insulating box, and is disposed so as to be mounted on the condenser duct 85 . In addition, the evaporating dish 84 and the condenser pipe 85 can also be integrally formed.

Furthermore, in the evaporating pan 84, an evaporating pan line 87 is provided as a heating mechanism. This evaporating pan line 87 is a part of the condenser line for circulating a high-temperature, high-pressure coolant that passes through Compressor 63 compresses. The evaporating dish piping 87 is directly arranged in the evaporating dish 84, may be directly soaked in the stored defrosting water, or may be indirectly heated by heat conduction from the bottom of the evaporating dish or the like.

Further, the evaporating pan 84 and the evaporating pan piping 87 constitute a defrosting water evaporating device. In addition, the defrosting water evaporator does not necessarily have to be a heating mechanism like the evaporating pan pipeline 87. For example, a water-absorbing member is used to promote the defrosting water vaporization, and a configuration such as a fan for forced convection to promote evaporation can also be used. . If the heating mechanism is used together, the effect will be better.

Furthermore, for the inside of the box, by bending the inner box 68 forming the inside of the heat-insulating box 50 in substantially the same shape as the stepped second recess 82, the back of the bottom surface inside the box forms a box inner bottom surface that protrudes in a stepped shape.

The refrigerating room 51 is provided with a refrigerating room duct 90 for circulating cold air cooled by the cooling room 70 at the rear of the box, and spreads the cold air throughout the box through a plurality of discharge holes (not shown). The cold air duct and the inside of the box are simply insulated with expanded polystyrene, etc., and are thermally insulated from the inside of the box. On the other hand, a plurality of storage racks 91 are provided in the box. The storage racks 91 are used to organize and store stored items without overlapping them, and some of the storage racks 91 are configured to be movable up and down. In addition, it is preferable that the uppermost storage shelf 91 is substantially flush with the ceiling portion of the inner box 68 of the first recess 62 . The lowest section is set up as a specific low temperature room where fresh meat or fish can be kept fresh, and the temperature is set at about -1°C to 1°C. Moreover, a water supply tank 93 for storing water for ice making is provided beside the specific low temperature room, and is configured to be able to be pulled out in the front-rear direction. Furthermore, a plurality of containers 94 are provided inside the box of the refrigerator compartment door 51a, and the containers 94 can efficiently store so-called pet bottles or middle bottles that pack beverages such as milk and seasonings.

The ice making room 52 is constituted by installing an ice making mechanism 95 for absorbing water from the water supply tank 93 of the refrigerator compartment 51 in the upper space to generate ice, and disposing an ice storage container 96 for storing the generated ice in the lower space. . By moving the ice making compartment door 52a in the front-rear direction, the ice storage container 96 is also moved along with being supported by the rails in the box. In the first freezer compartment 53, containers for arranging and storing food are provided and the upper surface thereof is opened. By moving the front 1st freezer compartment door 53a in the front-rear direction, the container is also moved along with being supported by the rails in the box. The first freezer duct 100 is provided on the back side, and the first freezer duct 100 is used to circulate the cold air cooled by the cooling chamber 80, and the cold air is spread throughout the whole box through a plurality of discharge holes (not shown), and the cold air duct is simple. The ground is insulated and divided from the inside of the box. In addition, the first freezer compartment 53 can be configured as a room whose temperature can be switched from a refrigerating temperature zone of about 5°C to a freezing temperature zone of -18°C even at temperatures other than the freezing temperature. At this time, in the first freezer compartment duct 100, a cold air damper (damper) 101 is housed in a built-in form. The temperature switch is used as a cooling air volume adjustment mechanism.

In the second freezer compartment 54, a freezer compartment storage container 105 for arranging and storing food is installed, and the upper surface thereof is opened. The freezer compartment storage container 105 moves the front second freezer compartment 54a in the front-rear direction, and is supported by the rails in the box so that the freezer compartment storage container 105 also moves together.

In the vegetable compartment 55, a vegetable compartment storage container 106 mainly for arranging and storing vegetables such as wild leaf vegetables, root vegetables, and fruits is installed, and the upper surface thereof is opened. The vegetable compartment storage container 106 moves the vegetable compartment storage container 106 along with the vegetable compartment storage container 106 by moving the front vegetable compartment door 55a in the front-rear direction and being supported by rails provided in the box. In particular, it is preferable to set the height dimension of the vegetable compartment storage container 106 in such a way that pet bottles or vegetables can be placed vertically and stored in such a way that the front side of the vegetable compartment storage container 106 is formed so as to be provided with a cutout for easy division. Vegetables can be taken out only by opening the vegetable compartment door 55a a little.

As mentioned above, there is the compressor 63 of the refrigeration cycle in the rear area of the second freezer compartment 54, and the depth from the inside of the refrigerator compartment 51 to the refrigerator compartment duct 90 can be ensured, and the compartments of the ice-making compartment 52 and the first freezer compartment 53 can be respectively ensured. The depth to the pipeline 100 of the first freezer compartment, and the depth to the first partition wall 71 in the second freezer compartment 54 and the vegetable compartment 55, the uppermost section of the refrigerator compartment 51 that accommodates the first recess 62 of the compressor 63 is the most toward The cooling chamber 70 is arranged on a substantially straight line in the vertical direction with almost the same thickness in consideration of not making the thickness in the depth direction as large as possible. Thereby, the depths of the ice making room 52, the 1st freezer room 53, the 2nd freezer room 54, and the vegetable room 55 which are storage rooms formed under the 2nd partition wall 72 are substantially the same.

With regard to the refrigerator constructed as above, its operation and function will be described below.

First, the refrigeration cycle operation will be described. According to the set temperature in the box, the refrigerating cycle is operated by a signal from a control board (not shown), and air-cooling operation is performed. Through the operation of the compressor 63, the discharged high-temperature and high-pressure refrigerant releases heat in the condenser 83, condenses and liquefies, and is decompressed to become a low-temperature and low-pressure liquid refrigerant while exchanging heat with a capillary tube (not shown). Agent, reaches the evaporator 76.

Through the operation of the cooling air fan 77, heat exchange is performed with the air in each storage room, and the refrigerant in the cooler 76 evaporates and vaporizes. Because the cooling air with a controlled low temperature is supplied through the cooling air damper device, etc., the settings of each storage room can be maintained. Cooling by way of temperature. The refrigerant coming out of the evaporator 76 is sucked into the compressor 63 through the suction pipe.

The compressor 63 is placed on the second top 61 of the heat-insulating box 50 without being arranged in the rear area of the second freezer compartment 54, and the cooling compartment 70 is arranged on the back side of the second freezer compartment and the vegetable compartment 55, and the evaporator 76 and The fan 77 is installed approximately within the height range of the second freezer compartment 54 and the vegetable compartment 55. By shortening the depth dimension, the depth dimension makes the evaporator 76 extend along the height direction, so that the thickness of the cooling compartment 70 can be thinned and reduced as the inside of the box. Volume does not contribute void space.

Moreover, the outer side of the bottom front of the heat insulating box 50 is reduced in height almost to the full width, and the condenser 83 is installed, and the height is reduced in the vicinity of the second recess 82, and the evaporating dish 84 is installed, whereby the second recess 82 can be lowered. The height of the second concave portion 82 is the space between the floor and the first bottom portion 80 and the space to the second bottom portion 81 to reduce the ineffective space that does not contribute to the volume of the box.

As mentioned above, it is difficult for the user's hands to reach the rear of the top surface and the rear of the bottom surface of the heat insulating box 50. It can be said that the first recesses 62, 82 are provided on the upper and lower sides of the heat insulating box 50 in the space near the dead space. Components necessary for the refrigeration cycle, such as the compressor 63 , condenser 83 , and evaporator 84 , which do not contribute to the volume, are housed in a small space, and the storage volume at a height that is easy for the user to use can be increased, and the storage capacity can be improved.

In the storage room arrangement of this embodiment, the upper part of the heat insulating box 50 is set as the refrigerator room 51, and the storage room directly above the lowermost stage is set as the vegetable room 55, and the storage room sandwiched between the refrigerator room 51 and the vegetable room 55 The ice-making compartment 52 and the first freezer compartment 53 are provided respectively, so that all the temperature ranges of refrigeration, freezing, and vegetables, which are the basic functions of the refrigerator, can be gathered at the above-mentioned position that is easy for the user to use.

In particular, in recent years, from the viewpoint of the user's frequency of use, simplicity of freshness management, and ergonomics and ease of use, the most frequently used refrigerator compartment 51 is located in the front of the user above the waist where it can be accessed clearly at a glance. In the upper position, the entry and exit of heavy objects and the healthy vegetable compartment 55 are located in the middle section that is easy to use, and there is a necessary freezer for spare parts that are not accessed for a long time, and there is a fear that they may fall to the ground during access. In the lowest stage, although the refrigerator according to the above-mentioned design has become the mainstream, in this design, due to the configuration of the mechanical chamber including the compressor 63, there is a shortcoming that the storage capacity of the freezing chamber 54 in the lowest stage cannot be fully ensured, and in this design In the embodiment, the depth of the second freezer compartment 54 in the lowermost stage can be expanded in the same way as the vegetable compartment 55, and the frequency of use is high in summer, and the ice-making compartment 52, which is worried about the transfer of taste, can be set as an independent compartment and installed in the electric appliance. The position of the refrigerator is approximately in the middle, thereby providing a refrigerator that is easy to use and has improved storage efficiency.

Among the plurality of shelves of the protruding height refrigerator compartment provided on the inside of the first recess 62 provided on the top surface of the heat-insulating box 50, it is configured so as not to protrude below the shelf at the highest position. The depth of the uppermost section, which is only used for storing the lowest frequency of use, is reduced, and the storage volume below the uppermost section is increased, completing a smooth design that does not seem oppressive when the refrigerator compartment door 31a is opened.

The bottom surface of the heat insulating box 50 is arranged outside the box, by arranging the condenser 83 at the front and the evaporating pan 84 at the periphery of the second recess 82 at the rear, and the warm air exchanging heat through the condenser 83 causes an updraft. Convection is caused in the upper space of the evaporating dish 84, so that the evaporation capacity of water can be improved. Also, even if the evaporating pan 84 is arranged in the front and the condenser 83 is in the rear, the same effect can be obtained because of the convective evaporation capacity in the space caused by heat release. Furthermore, by disposing the convective heat radiation fan 86 facing the back direction in the second concave portion 82, the heat radiation capacity of the condenser 83 arranged in the periphery can be improved, and the ability to evaporate the water stagnant in the evaporating dish 84 can be improved. Miniaturize both.

Moreover, by providing the evaporating pan line 87 which circulates the high-temperature and high-pressure refrigerant compressed by the compressor 63 in the evaporating pan 84, the ability to evaporate defrosting water can be improved, and the evaporating pan 84 can be Further miniaturization. Also, by providing openings for heat radiation and heat discharge in the recess covers 62a, 82a provided in the upper and lower first recesses 62, 82, respective effects can be enhanced.

Moreover, the second concave portion 82 on the bottom surface of the heat insulating box 50 also has the following functions: accommodate the evaporator 84 and the condenser 83, and improve the workability of installing the space as the drain pipe 89 and the condenser 83. In order to send the water defrosted by the radiant heater 78 to the evaporating dish 84, the removal workability of the evaporating dish 84 is also improved.

Since the refrigerator compartment 51 is frequently used in refrigerators, through the rotating refrigerator compartment door 31a, the contents can be spread all over the user's line of sight when viewing the inside of the box, thereby optimizing accessibility.

By arranging the ice making compartment 52 near the center in the height direction of the heat insulating box 50, it is possible to easily take out the ice without bending down, and by setting it as an independent compartment, it is possible to prevent the movement of odors from other compartments. The ice-making compartment door 52a is properly installed to suppress the intrusion of outside air due to the door opening and closing, which is also related to energy. And because need a large amount of ice when using frequency high summer, by making air duct (not shown in figure), cold air damper miniaturization, this air duct constitutes the 1st freezer duct 100 that is positioned at the back side of ice making compartment 52, can make The depth of the cooling chamber 70 becomes smaller, and at this time, the depth of the ice-making chamber container 96 for storing water can be further extended to increase the water storage capacity.

The 1st freezer compartment 53 and the ice-making compartment 52 are laterally arranged side by side. As freezing and short-term storage, in order to freeze the food faster, the height of the 2nd freezer compartment 54 is set to be thinner because the shape of the stored food needs to be thinned. Small, on the contrary, by increasing the height of the second freezer, there is an advantage of being able to store raw materials such as frozen foods in a large capacity. Furthermore, by making the first freezer compartment 53 a storage compartment with a function of switching from a refrigerated temperature to a refrigerated temperature, the value can be increased by providing a function capable of responding to changes in the user's lifestyle. Moreover, like the ice making compartment 52, the depth of the cooling compartment 70 can be made smaller by miniaturizing the air passage (not shown) and the cold air damper constituting the first freezing compartment duct 100, and it can be further extended at this time. The depth of the first freezer container (not shown) at the height position used increases the storage capacity.

Since the vegetable compartment 55 is near the center of the height direction of the heat insulating box 50, and is disposed below the ice making compartment 52 and the first freezer compartment 53, it is a cost for taking out heavy items such as vegetables and beverages such as pet bottles. Smaller, which greatly improves accessibility.

And even if the second freezer compartment 54 and the vegetable compartment 55 are not drawer-type storage compartments, they are more effective if they are drawer-type storage compartments. That is, the depth of the second freezer compartment 54 and the vegetable compartment 55 can be expanded, and the pull-out amount of the freezer compartment storage container 105 and the vegetable compartment storage container 106 can be enlarged by selecting the rollers, so that the user can widely observe the contents of the storage container. At the same time, efficient storage and retrieval can reduce forgetting to use and perform hygienic management. For the selection of rollers, you can use high-slidability and high-quality bearing-type rollers or intermediate rollers. If you use such rollers that can increase the amount of pullout to the outside of the box, you can enjoy the effect even more.

And the cooling chamber 70 is provided on the projected plane in the height direction with almost the same area as the box inner bottom surface of the second recess 82, so the width of the cooling chamber 70 and the amount of protrusion into the second recess 82 in the box are approximately the same, The storage container for the freezer can be in the shape of a cube, and at the same time, the depth can be enlarged to improve storage efficiency. Moreover, since the evaporator 76 is set directly on the bottom surface of the tank, it can be used as a part of the frost delivery of the evaporator 76 to the evaporating dish 84. Formed by the receiver, the components of the receiver that are commonly used can be reduced, thereby increasing cost flexibility.

In addition, in this embodiment, the drawer-type vegetable compartment 55 is provided at the upper part, and the second freezer compartment 54 is provided at the lowermost part. The same effect can be obtained by arranging the vegetable compartment 55 at the lowest part.

The configuration of the present embodiment and its typical functions and effects are summarized as follows.

It is equipped with a heat-insulating box and a door forming the main body of the refrigerator, a compressor, an evaporator, and a condenser of a refrigerating cycle, and a defrosting water evaporator for the evaporator. The above-mentioned compressor is installed outside the above-mentioned heat-insulating box, and the above-mentioned defrosting water evaporator device is installed outside the above-mentioned heat-insulating box below the above-mentioned evaporator, and the compressor is excluded from the rear of the lower part of the heat-insulating box to obtain an improvement in efficiency due to heat dissipation. At the same time, it can meet the defrosting water evaporation function of the evaporator, so while maintaining the function of the refrigeration cycle related equipment, for the user, it can increase the convenient and suitable height of the box.

Furthermore, the condenser is provided outside the heat-insulating box below the evaporator as a heat source for the defrosting water evaporator, and even if the compressor is arranged separately, a part of the condenser is used without relying on the heat release of the compressor. Condensation heat can be calculated to accelerate the evaporation of defrosting water.

Furthermore, the above-mentioned compressor is arranged in the first recess formed behind the top of the outside of the above-mentioned heat-insulating box, and the above-mentioned defrosting water evaporator is arranged in the second recess formed behind the bottom of the outside of the above-mentioned heat-insulating box, and the compressor is not arranged. The back of the lower part of the heat-insulated box can effectively utilize the back of the top, which is difficult for users to touch, and by dispersing and storing the compressor and the defrosting water evaporator, the actual impact on the ineffective space inside the box can be reduced. More efficient use of box space.

In addition, the evaporator is disposed in the cooling chamber forming the rear of the heat insulating box, the first concave portion and the second concave portion are arranged in a substantially straight line in the vertical direction behind the heat insulating box, and are arranged above and below the concave portion of the heat insulating box. The direction can concentrate the main related equipment of the refrigeration cycle, suppress the impact on the space in the front box and expand the actual effective space, which can improve the convenience of use.

In addition, the second concave portion is arranged behind the front end surface of the cooling chamber so as to be able to be accommodated, so that the lower box space can provide a simple box space, so the convenience of use can be further improved.

Moreover, the above-mentioned condenser is arranged at the bottom of the outside of the above-mentioned heat-insulating box, and through the setting of rolling wheels originally used to move the refrigerator, although there is a gap between the refrigerator and the bottom surface, the condenser can be installed in this gap, which can effectively Take advantage of dead space and expand box space.

Moreover, the hot air released by the condenser in the front passes through the upper surface of the evaporating dish in the second concave part at the rear and allows natural convection, so that the temperature of the water remaining in the evaporating dish can be raised and the evaporation capacity can be improved.

Moreover, the above-mentioned condenser is arranged in the above-mentioned second recess, and the related equipment of the refrigeration cycle can be concentrated in the up and down direction of the recess of the heat-insulating box, which can minimize the influence on the space in the box and expand the actual effective space. Ease of use.

Moreover, a first duct is formed, which is used to install a fan for forced convection in the above-mentioned first recess and perform air convection along the left and right directions, so that the width of the left and right directions of the main body of the refrigerator can be effectively utilized and ventilation resistance is small. Pipeline, by improving the heat release effect of the compressor, etc., the efficiency of the refrigeration cycle can be improved, the reliability can be improved, and the thermal influence on the inside of the box can be reduced.

Moreover, a second duct is formed, which is used to install a fan for forced convection in the above-mentioned second recess and perform air convection along the left and right directions, which can effectively utilize the width of the left and right directions of the main body of the refrigerator and form ventilation resistance to small heat release. The pipeline can promote the evaporation of the defrosted water accumulated on the evaporating pan of the defrosted water evaporator, and can also promote the heat release of the condenser, so that the defrosted water evaporator or the condenser can be miniaturized and the cooling of the tank can be suppressed. Invalid space for medial effects. Furthermore, by increasing the heat radiation effect, the efficiency of the refrigeration cycle can be improved, the reliability can be improved, and the thermal influence on the inside of the box can be reduced.

Furthermore, if the compressor is arranged separately around the bottom of the heat-insulating box, condensation will occur due to a drop in the surface temperature of the heat-insulating box as the temperature difference with the inside of the box becomes smaller, but moisture is removed through the forced convection duct provided. The air is not smooth, and the surface temperature can be increased by improving the surface heat transfer, which can suppress the problem of condensation.

Moreover, a first duct is formed for installing a fan for forced convection in the above-mentioned first recess to perform air convection in the left and right directions, and a second duct is formed for installing a forced convection fan in the above-mentioned second recess. The convection fan performs air convection along the left and right direction, and the exhaust port of the above-mentioned first duct and the exhaust port of the above-mentioned second duct are arranged in the same direction, which can effectively utilize the width of the left-right direction of the main body of the refrigerator and form a ventilation resistance. By improving the heat dissipation effect of the compressor, etc., the efficiency of the refrigeration cycle can be improved, the reliability can be improved, and the heat influence on the inside of the box can be reduced.

Moreover, since the evaporation of the defrosted water accumulated on the evaporating pan of the defrosted water evaporator can be promoted, the heat release of the condenser can also be promoted, so the defrosted water evaporator or condenser can be miniaturized and the impact on the tank can be suppressed. Invalid space for medial effects. Furthermore, by increasing the heat radiation effect, the efficiency of the refrigeration cycle can be improved, the reliability can be improved, and the thermal influence on the inside of the box can be reduced.

Moreover, if the compressor is arranged separately around the bottom of the heat-insulating box, the temperature difference with the inside of the box becomes smaller, and condensation occurs due to a decrease in the surface temperature of the heat-insulating box. The air is not smooth, and the surface temperature can be increased by improving the surface heat transfer, which can suppress the problem of condensation.

Further, the air containing the exhaust heat discharged from the exhaust port of the second pipeline at the lower part is no longer directly sucked into the air intake port of the first pipeline at the upper part and does not hinder the heat release of the compressor in the first concave part, which can improve the performance as The overall heat release efficiency of the refrigerator.

Furthermore, the outer contour of the above-mentioned first concave portion is formed by resin molding, and the odd-shaped and complex-shaped machine room part for housing the compressor can be integrally formed separately by resin molding, and the workability improvement due to the simplification of the machine room installation can be obtained. With the improvement of mounting precision, the manufacturing cost is suppressed, and a high-quality refrigerator with an upper part of the compressor can be reasonably provided.

In addition, the rigidity is increased by the resin-molded reinforcement structure of the outer shell of the machine or the appropriate joint structure with the outer box, and vibration is attenuated by joining the outer box made of a metal plate, which represents a steel plate, and the outer shell of a resin molded machine of a different material. It can suppress the noise and vibration of the compressor from propagating to the main body of the refrigerator, and prevent the occurrence of resonance sound of the components in the box. Or the uncomfortable feeling of the occupants.

In addition, the outer contour of the machine is integrally molded by resin and joined to the outer box of the main body of the refrigerator. With the above-mentioned structure, even if there is a gap between products with different shapes of the refrigerator in the manufacturing process, the machine can be obtained. Possibility of commonization or standardization of room parts.

Furthermore, by careful consideration of the manufacturing process, a method has been conceived in which various components such as a compressor can be pre-installed on the outer contour of the machine room formed by resin for preliminary assembly, and then the preliminary assembly of the machine room can be installed in the refrigerator. The method of jointing the outer case of the main body, and then connecting the refrigerant pipes, etc., thereby seeking to improve productivity by rationalizing the manufacturing process or by adopting common use and standardization of pre-installed parts reduction in manufacturing costs.

Furthermore, a plurality of storage compartments are formed by dividing the above-mentioned heat-insulating box up and down. Among the above-mentioned storage compartments, the uppermost storage compartment is used as a refrigerating compartment and the above-mentioned first recess is placed outside the upper rear, and the lowermost storage compartment is used as a freezer compartment. And above-mentioned 2nd concave part is arranged in the outdoor of lower part rear, and above-mentioned cooling chamber is arranged at the rear of above-mentioned lowermost storage room, can make compressor and refrigerating chamber face, and this compressor has the biggest influence on the temperature in box, and this refrigerating chamber The room is less affected by the high temperature in the box, and a compressor can be configured. This compressor is a good and effective use of the rear of the uppermost section in the box to obtain the most ineffective space. The rear of the uppermost section in the box It is the part that is not frequently used because the user's hand is difficult to reach, the most difficult to use, and the temperature distribution is high.

Furthermore, since the cooling chamber containing the evaporator is at least opposed to the lowest freezer compartment, the cooling effect of the evaporator can be directly and maximized for the freezer compartment maintained at the lowest temperature, so the upper part of the compressor is arranged together. , on the space side and the cooling side, it is possible to realize a reasonable design of refrigeration cycle-related equipment that does not affect the actual inside of the box.

Moreover, since the cooling chamber having the evaporator is disposed at least behind the lowermost freezing chamber, the center of gravity of the refrigerator, which has been raised due to the upper part of the compressor, can be lowered, and safety can be provided by improving the stability of the refrigerator from falling. Refrigerator with top compressor. Furthermore, the center of gravity can be further lowered by disposing the condenser at the lower part, so that the stability can be further improved.

And, the door of the above-mentioned uppermost storage room is a rotary door, the door of the storage room below the above-mentioned uppermost storage room is a drawer-type door, and the door of the lower storage room is a drawer-type door. When the door is pulled out, the center of gravity of the refrigerator moves forward, and the main body of the refrigerator tends to tilt forward, especially when the contents are heavy. The equipment related to the refrigeration cycle that is relatively heavy is also distributed, and by arranging the compressor and equipment related to the refrigeration cycle at the rear of the main body of the refrigerator, the center of gravity can be set in the lower and rear directions, and the upper part of the compressor can be improved. The stability of the configured refrigerator ensures the safety of falling.

(Embodiment 2)

Fig. 6 is a sectional view of a refrigerator according to Embodiment 2 of the present invention.

In FIG. 6 , a condenser 204 is accommodated in a second recess 203 formed outside the cooling chamber 202 below the cooling chamber 202 at the rear of the lower part of the heat insulating box 201 . The evaporating dish 205 constituting the defrosting water evaporating device is located at the bottom of the second concave portion 202, and is configured to be heated and evaporated, and the heating effect is the evaporation of a part of the condenser 204 constituting the same defrosting water device. The heat transfer of the dish pipe 87 is produced, and the evaporation acceleration is produced by the blower 86 for forced convection. The entire evaporating pan 205 may not be accommodated in the second recess 203 , and a part of the surface storing the defrosting water may be located in the convection path of the fan 86 .

In the structure described above, since the condenser 204 is accommodated in the second concave portion 203, the compressor 63, evaporator 76, condenser 204 and defrosting water evaporator as the associated equipment of the refrigeration cycle are located behind the main body of the refrigerator. Concentrating on a roughly straight line in the up and down direction can minimize the impact on the space inside the box, expand the actual effective space, and improve the convenience of use.

And, because the disposition of the refrigerating cycle equipment in the bottom space of the main body of the refrigerator is gone, the bottom of the heat insulating box 201 can be further reduced and the space inside the box can be further enlarged.

(Embodiment 3)

Fig. 7 is a sectional view of a refrigerator according to Embodiment 2 of the present invention.

In FIG. 7 , an insulated box 301 formed by insulating the surroundings with a heat insulating material such as rigid polyurethane foam is divided into a plurality of areas to form a storage room, and the uppermost storage room is a refrigerator room 302. , the lowermost storage room is set as freezer 303 , and the storage room between refrigerating room 302 and freezer 303 is set as vegetable room 304 . There is an aspect of the storage room in which the refrigerating room 302 is provided with a swing-type door 305 , and the freezer room 303 and the vegetable room 304 are provided with drawer-type doors 307 and 308 .

In addition, the arrangement|positioning structure about the refrigeration cycle related equipment is the same as that of Embodiment 1. As shown in FIG.

In the configuration described above, the same effect as that of Embodiment 1 can be enjoyed even in a general-type refrigerator having fewer storage compartments in the vertical direction than in Embodiment 1. Refrigerators, in most cases, the overall height of the refrigerator is a low box. At this time, as a refrigerator with an upper compressor, it can further improve the stability of installation and stability during practical use, and provide a superior refrigerator that is easy to use.

(Embodiment 4)

Fig. 8 is a sectional view of a refrigerator according to Embodiment 2 of the present invention.

In FIG. 8 , an insulated box 401 constituted by heat insulating materials such as rigid polyurethane foam and surrounding heat is divided into a plurality of areas to form a storage room. The room is set as the freezer room 403 . There is a form in which both the refrigerator compartment 402 and the freezer compartment 403 are equipped with swing-type doors 404 and 405 .

In addition, the arrangement|positioning structure about the refrigeration cycle related equipment is the same as that of Embodiment 1. As shown in FIG.

In the configuration described above, the same effect as that of Embodiment 1 can be enjoyed even in a refrigerator of an ordinary type in which the number of storage compartments in the vertical direction is smaller than that of Embodiments 1 and 2. Moreover, this Embodiment In the above-mentioned refrigerators, in most cases, the overall height of the refrigerator is a lower case, and when the lower freezer door 405 is opened by a rotating door, the center of gravity moves forward less compared with a drawer door. As a compressor top-mounted refrigerator, the stability of installation and stability during practical use can be further improved, and a superior refrigerator that is safe and easy to use can be provided.

(industrial availability)

As mentioned above, the refrigerator of the present invention accommodates functional components such as a compressor in the dead space of the top surface and the bottom surface of the heat-insulating box, so that the storage volume at the height position that is generally easy to use can be increased, and the storage performance can be improved. It can be widely used in commercial refrigerators, freezers, etc. as the same cabinet.

Claims (13)

1. refrigerator is characterized in that possessing:

Form the refrigerator main body body of thermal insulating box and door, be used for the compressor of freeze cycle and the Defrost water evaporating apparatus of evaporimeter and condenser and described evaporimeter,

With the described compressor of described body of thermal insulating box outer setting above the described evaporimeter that is arranged at described body of thermal insulating box inside is compared more, the described Defrost water evaporating apparatus of described body of thermal insulating box outer setting below described evaporimeter.

2. refrigerator as claimed in claim 1 is characterized in that:

Described condenser is arranged on the described body of thermal insulating box outside of described evaporimeter below, as the heating source of described Defrost water evaporating apparatus.

3. refrigerator as claimed in claim 2 is characterized in that:

Described compressor configuration is in the 1st recess, and the 1st recess is formed on the rear, top of described body of thermal insulating box outside, and described Defrost water evaporating apparatus is configured in the 2nd recess, and the 2nd recess is formed on the bottom rear of described body of thermal insulating box outside.

4. refrigerator as claimed in claim 3 is characterized in that:

With described evaporator arrangement in the cooling chamber at the rear that is formed at described body of thermal insulating box inside, with described the 1st recess and described cooling chamber and described the 2nd recess arrangement along on the roughly straight line on the above-below direction at described body of thermal insulating box rear.

5. refrigerator as claimed in claim 4 is characterized in that:

Described the 2nd recess is compared more with the front end face of described cooling chamber to be accommodated in that the mode at rear disposes.

6. refrigerator as claimed in claim 2 is characterized in that:

Described condenser arrangement is in the bottom of described body of thermal insulating box outside.

7. refrigerator as claimed in claim 3 is characterized in that:

Described condenser arrangement is in described the 2nd recess.

8. as any described refrigerator in the claim 3～5, it is characterized in that:

In described the 1st recess, the fan that forced convertion is used is set, is formed on left and right directions and carries out cross-ventilated the 1st pipeline.

9. as any described refrigerator in the claim 3～7, it is characterized in that:

In described the 2nd recess, the fan that forced convertion is used is set, is formed on left and right directions and carries out cross-ventilated the 2nd pipeline.

10. as any described refrigerator in the claim 3～7, it is characterized in that:

In described the 1st recess He in described the 2nd recess, the fan that forced convertion is used is set, is respectively formed at left and right directions and carries out cross-ventilated the 1st pipeline and the 2nd pipeline, the exhaust outlet of described the 1st pipeline and the exhaust outlet of described the 2nd pipeline are configured to same direction.

11. want any described refrigerator in 3～5 as right, it is characterized in that:

Form the outline of described the 1st recess by ester moulding.

12., it is characterized in that as claim 4 or 5 described refrigerators:

Form a plurality of storerooms to dividing up and down in the described body of thermal insulating box, the storeroom of the topmost in the described storeroom also is arranged on the outdoor of rear, top with described the 1st recess as refrigerating chamber, the storeroom of foot also is arranged on the outdoor of rear, bottom with described the 2nd recess as refrigerating chamber, and the rear in the storeroom of described foot is provided with described cooling chamber.

13. refrigerator as claimed in claim 12 is characterized in that:

The door of the storeroom of described topmost is made as the rotary type door, and the door that will compare the storeroom of lower part with the storeroom of described topmost is made as drawer type door.

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