JPH0321314A - Top and bottom suction type air purifier - Google Patents

Abstract

PURPOSE:To carry out purification of the inside of a room surely and efficiently by providing an air outlet between air suction inlets provided respectively on the upper and lower sections of a main body and installing a blower and a purifying means respectively on ventilation lines between the air outlet and both air suction inlets. CONSTITUTION:Air suction inlets 2 and 3 are provided respectively on the upper and lower sections of a main body, and an air blow outlet 4 is disposed between the air suction inlets 2 and 3. Air blowers 5 and 6, prefilters 7 and 9 and electric dust collectors 8 and 10 are installed respectively on ventilation lines 11 and 12 between the air outlet 4 and the air suction inlets 2 and 3. Either of both blowers is driven to suck in polluted air from the suction inlets corresponding to the polluted air retained on the upper and lower layers in a room to surely remove smoke, dust and the like in the room. further, as the polluted air is sucked in from the suction inlets positioned correspondingly to the polluted air, the operation time of removing the polluted air is short, and as a result, air purification can be carried out surely and efficiently.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a vertical suction type air purifying device particularly suitable for efficiently purifying indoor dust. [Prior art] Air purifiers include those of the first prior art shown in Figs. 62-2065
There is a technique disclosed in Publication No. 3 (hereinafter referred to as the third conventional technique). That is, in the first prior art shown in FIGS. 13 to 15, indoor contaminated air is sucked in from a suction port 32 at the bottom of a main body 31, and the contaminated air passes through a prefilter 33 and an electrostatic precipitator 34. The air is purified through a blower 35 and then blown out from an air outlet 36 at the top of the main body 41. In addition, in contrast to the first prior art, the second prior art sucks air from the upper part of the main body, and the sucked air passes through a dust collecting section in the main body to be purified. It is designed to be discharged from the air outlet provided at the bottom of the unit. On the other hand, the third prior art is as follows. Similar to the first conventional technology, air is sucked in from the bottom of the main body, the sucked air is purified by passing through a dust collection section within the main body, and is then discharged from the air outlet provided at the top of the main body. ing. [Problems to be Solved by the Invention] By the way, in the second prior art shown above, air is sucked in from the upper part and exhausted from the lower part, so although it is possible to inhale cigarette smoke etc., it is possible to inhale dust. It is not possible to suck in things that accumulate in the lower layers, such as dust. In addition, in the first and third conventional technologies, air is sucked in from the bottom and exhausted from the top, so although it is possible to suck in things that stay in the bottom layer, things that stay in the top layer, such as cigarette smoke, etc. I can't inhale anything. In the above conventional technology, only one of the upper layer and the lower layer is sucked in and purified air is discharged to the other.
There is a problem in that the contaminated air that remains indoors is diffused, making it impossible to purify the air throughout the room. SUMMARY OF THE INVENTION In view of the problems of the prior art described above, an object of the present invention is to provide a vertical suction type air purifying device that can efficiently and reliably purify indoor contaminated air over the entire area. [Means for Solving the Problems] In order to achieve the above object, the present invention provides suction ports provided at the upper and lower parts of the main body, and an air outlet t provided between the two suction ports of the main body. It is characterized by having a blower and a purifying means installed in the air outlet and the air passage between the air inlets inside the body. [Function] As described above, in the present invention, the air inlets provided at the upper and lower parts of the main body, the air outlet provided between the two air inlets of the main body, and the air outlet provided between the air outlet and both air inlets in the main body The system has a blower installed in each ventilation path of the main body, and a purifying means installed in the ventilation path between the blower inside the main body and the air intake port, so that, for example, the upper part of the room is not covered with cigarette smoke. If it is contaminated, when one of the blowers is activated, the smoke in the room is sucked into the main body through the suction port on the upper side, and is removed by passing through the purification means.
At that time, the air outlet is provided between the two intake ports, and the purified air is blown out between them.
There is no risk that the purified air will diffuse smoke from the shoe side. In addition, if there is dust accumulated in the lower part of the room, when the other blower is turned on, the dust in the room is sucked into the main body from the lower suction port, and passes through the purifying means in the ventilation path. It will be removed. At that time, the air outlet discharges purified air to the middle layer of the room, and there is no risk of dust staying in the lower layer spreading throughout the room. Therefore, by driving one of the blowers, the contaminated air is sucked in from the suction port corresponding to the contaminated air stagnant in the upper and lower layers of the room, making it possible to reliably remove smoke, dust, etc. from the room. Since the contaminated air is sucked in from the intake port at the position corresponding to the contaminated air, the operation time required to remove the contaminated air is shortened.
Air purification can be achieved reliably and efficiently. [Example] Hereinafter, an example of the present invention will be explained with reference to FIGS. 1 to 12. FIG. 1 is a side sectional view showing the first embodiment of the present invention, FIG. 2 is a front view, FIG. 3 is a front view showing the internal structure of FIG. 2, and FIG. 4 is a circuit diagram. Figure 5 is an explanatory diagram showing the purification effect when the upper layer of the room is contaminated, Figure 6 is an explanatory diagram showing the purification effect when the lower layer of the room is contaminated, and Figure 7 is the circulator operation during heating. The explanatory diagram, Figure 8, is an explanatory diagram showing the circulator action during cooling. In this embodiment, there are suction ports 2 and 3 provided at the top and bottom of the box-shaped main body 1, and both suction ports 2 of the main body 1.
, 3 and an air outlet 4 provided in the middle of the air outlet. Among the two suction ports 2 and 3, one of the suction ports 2 is shaped so that the upper part of the front of the main body 1 is open so as to suck air from the outside (indoor) into the main body 1, and blow out air. A blade 2a is provided to change the direction of the blade. The other suction port 3 is formed by opening at the lower part of the front of the main body 1 so as to suck in air from outside (indoors) like the one suction port 2, and has an opening for changing the direction of the air blown out. A blade 38 is provided. The air outlet 4 is formed to open between the intake ports 2 and 3 on the front of the main body 1 in order to blow air out from the main body 1 to the outside (indoor room), and has a blade 4a for changing the direction of the air blown out. It is set up. Blower units 5 and 6 are provided between the air outlet 4 and the intake ports 2 and 3 in the main body 1.
and a purifying means (not shown) disposed between the suction portions of the blowers 5 and 6 and the suction ports 2 and 3. The blowers 5 and 6 are for sucking in indoor air and discharging air into the room, and one is installed in the ventilation passage 11 between the air outlet 4 and the air inlet 2 in the main body 1, and the other is installed in the ventilation passage 11 between the air outlet 4 and the air inlet 2. It is installed in the ventilation passage 12 between the air outlet 4 and the air intake 30. The purification means includes prefilters 7, 9 and electrostatic precipitators 8, 10,
In the main body 1, there is a ventilation passage 11 between the suction parts of the blowers 6 and the suction port 2. 12 in sequence along the direction of air flow. Pre-filters 7 and 9 are for removing dust, dirt, etc. mixed in the sucked air. The electrostatic precipitators 8 and 10 utilize high-pressure discharge, and generate positive corona discharge between a thin wire and a flat plate in an electrode ionization section to generate positive ions, which adhere to dust, etc. By giving an electric charge to the dust and causing it to adhere to the dust collecting part electrode plate by the electric field of the dust collecting part,
It is designed to collect minute dust etc. that pass through the air. Then, by driving the blower 5, indoor air is sucked into the ventilation passage 11 from the suction port 2, purified by passing through the pre-filter 7 and the electric precipitator 8, and the purified air is passed through the blower 5 to the air outlet. From 4 onwards, I try to exhale into the room. Therefore, when the blower 6 is driven, indoor air is similarly sucked into the ventilation Fs12 from the suction port 3, purified by the pre-filter 9 and the electric precipitator 10, and then discharged from the air outlet 4.

Moreover, the two sets of blowers 5.6 are connected to the changeover switch 13.
14 allows selective switching between independent operation and simultaneous operation. Changeover switch 13. 14
corresponds to each of the blowers 5 and 6, and is provided at a lower position than the air outlet 4 on the front of the main body 1 for easy operation by the operator, and to display this when the switch is turned on or off. Operation indicator light 15. It has 16. Therefore, as shown in FIG. 4, each selector switch 13. 14 and one of the fuses F, blowers 5 and 6 are connected, and an operation indicator light 15. 16, and a high voltage generating power source 17 for operating the electrostatic precipitators 8 and 10. 18 are connected in parallel, and each changeover switch 13. The blowers 5 and 6 are operated and stopped by the switching operation 14, and the electrostatic precipitators 8 and 10 are also driven in conjunction with the blowers. The vertical suction type air purifying device of the embodiment has the above-mentioned structure, so its function will be explained in Figs. 5 to 81!
This is explained by l. As shown in Figure 5, the upper part of the room is filled with smoke 19
9a, smoke can be removed by driving a set of blowers 5. That is, when the changeover switch l3 is turned on, the blower 5, the operation indicator light 15, and the high voltage generating power source 17 are turned on, so that the indoor smoke 1 is turned on.
9a is sucked into the main body 1 through the suction port 2 on the upper side, and is removed by passing through a prefilter 7 and an electrostatic precipitator 8. At that time, the air outlet 4 is the air inlet 2
3, the purified air is discharged to the middle layer of the room, and therefore the smoke 19a that accumulates in the upper layer does not spread throughout the room. As shown in FIG. 6, when the dust 20 is accumulated in the lower part of the room, turning on the changeover switch 14 causes the blower 6 to
, the operation indicator light 16 and the high voltage generation power source 18 are turned on, so
Indoor dust 20 is sucked into the main body 1 from the suction port 3 on the lower side, and is removed by passing through the prefilter 9 and the electrostatic precipitator 10. At this time, the air outlet 4 discharges the purified air to the middle layer side of the room, so that the dust 20 staying in the lower layer does not spread throughout the room. As shown in FIG. 7, when heated air 21a stays only in the upper part of the room due to the use of the heating appliance 2l, turning on the changeover switch 13 as in the case shown in FIG. Since the air 21a is sucked in through the suction port 2 and discharged through the air outlet 4, the indoor temperature is equalized, the heating effect can be more efficiently achieved, and the device can function as a circulator. As shown in FIG. 8, when the cold air 22a stays only in the lower part of the room due to the use of the cooler 22,
When the changeover switch 10b is turned on as in the case shown in FIG. 6, cold air 22a is sucked in through the suction port 3 and discharged from the air outlet 4, so that the indoor temperature is made uniform and the function as a circulator is fulfilled. At the same time, the cooling effect can be achieved even more efficiently. Therefore, one of the blowers 5 and 6 is driven to draw contaminated air from the suction ports 2 and 3 that correspond to the contaminated air stagnant in the upper and lower layers of the room, ensuring that smoke, dust, etc. are removed from the room. It can be removed. Moreover, since the contaminated air is sucked in through the suction ports 2 and 3 at positions corresponding to the contaminated air, the operating time required to remove the contaminated air can be shortened. In addition, since the air outlet 4 is located between the two suction ports 2 and 3 and does not diffuse the substances that accumulate in the upper and lower layers, air purification can be achieved reliably. In addition, although FIGS. 5 to 8 each show an example in which one of the blowers 5 and 6 is driven, if each is driven at the same time, the contaminated air stagnant in the upper and lower layers can be purified at the same time. ．． 9 to 12 show a second embodiment of the present invention.

In this embodiment, unlike the first embodiment in which the blowers 5 and 6 were turned on and off manually, they are configured to be switched automatically. That is, sensors 23 and 24 for detecting cigarette smoke, reducing gas, etc. are installed at the upper and lower parts of the outer surface of the main body 1, respectively. Each sensor 2
3 and 24 are sensors with high sensitivity to CO, H2, etc., and by utilizing the phenomenon that when these come in contact, their electrical conductivity increases (electrical resistance value decreases), it is possible to detect cigarette smoke and various gases. This is to detect. Also,
Sensor 23. It has an interlocking means for driving the blowers 5 and 6 in conjunction with the detection of the air blower 24. The interlocking means is an automatic changeover switch 25. 26 and a microcomputer 30. As shown in FIG. 12, each automatic changeover switch 25, 26 switches the corresponding sensor 23, 24 when one of the sensors 23, 24 detects a specific gas such as cigarette smoke or combustible gas. turns on and off in conjunction with the output of
It's supposed to turn off.

The control unit 30 compares the detected voltages of the respective sensors 23 and 24 based on a preset voltage value, and switches the automatic changeover switch 25 . It is designed to control the on/off of 26.

Further, the control unit 30 switches the air volume of the blowers 5 and 6 depending on the magnitude of the detection outputs of the sensors 23 and 24. For example, when the detected voltages of the sensors 23 and 24 exceed a certain high value, the blowers 5 and 6 are rotated at high speed to cause sudden operation, and the detected voltages of the sensors 23 and 24 exceed a certain value that is considerably lower than that. and. Blower 5
, 6 are rotated at a low speed, and when the detection voltage of the sensors 23 and 24 exceeds the intermediate value,
The blowers 5 and 6 are rotated at medium speed for high operation. Therefore, as shown in FIG. 12, each automatic changeover switch 25, 26 has switching parts 25a, 26a provided with an A contact, a B contact, and a C contact to switch the air volume of the blowers 5, 6 to high, medium, and low. have. Further, temperature sensors 27 and 28 for detecting indoor temperature are installed at the upper and lower positions of the outer surface of the main body 1, respectively, and a temperature sensor for comparison reference is also installed at an intermediate position between the temperature sensors 27 and 28. 29 have been installed.
When each of the temperature sensors 27 to 29 detects the indoor temperature, the control unit 30 controls the temperature sensor 29 to
The temperature difference between the temperature sensor 27 and the temperature sensor 27 is compared with the temperature difference between the temperature sensor 29 and the temperature sensor 28, and when the temperature difference occurs, the blowers 5 and 6 corresponding to the position where the temperature difference exists are respectively driven. Automatic changeover switch 25. 26 is also controlled.

Further, the control section 30 includes a temperature sensor 29 and a temperature sensor 2.
When a temperature difference occurs between 7 and 28, the automatic changeover switch 25. By switching the switching parts 25a and 26a of 26 to the A contact, B contact, and C contact, the corresponding blowers 5 and 6 are switched in a stepwise manner. Therefore, the control section 30 compares the temperature difference between the temperature sensor 29 and the temperature sensor 28, and adjusts the air volume of the blower depending on the magnitude of the temperature difference. Therefore, the automatic changeover switch 25. Reference numeral 26 drives the blower 5.6 based on either the detection by the sensors 23 and 24 or the temperature difference detected by the temperature sensors 27 to 29 in response to a command from the microcomputer. According to this embodiment, when the air in the upper and lower layers of the room is contaminated as shown in FIGS. 5 and 6, the sensors 23 and 24
The blowers 5 and 6 are automatically driven by the detection, and when there is a temperature difference between the upper and lower air in the room as shown in FIGS. By detecting this, the blowers 5 and 6 are automatically driven, so indoor purification can be carried out appropriately without relying on human subjective judgment.Furthermore, it can be used even in unoccupied rooms, so no human intervention is required. You can manage the operation of the equipment without needing to do so. In addition, the control unit 30 and the automatic changeover switch 25. 26
By means of interlocking means, the air volume of the blower fans 5 and 6 is switched in stages according to the magnitude of the detection output of the sensors 23 and 24 and the magnitude of the temperature difference detected by the temperature sensors 27 to 29. It is now possible to perform three-stage operation, and the purification effect can be adjusted appropriately according to the degree of air pollution.
It is possible to accurately average the indoor temperature.

〔Effect of the invention〕

As described above, according to claim 1 of the present invention, one of the blowers is driven to suck contaminated air from the suction port corresponding to the contaminated air accumulated in the upper and lower layers of the room. , it is possible to reliably remove indoor smoke, dust, etc., and since the contaminated air is sucked in from the intake port at the position corresponding to the contaminated air, the operating time required to remove the contaminated air is shortened, resulting in air purification. This has the effect of achieving the following reliably and efficiently. Further, according to claim 2, since both of the blowers are selectively switched between independent operation and combined operation, the blowers can be operated according to the degree of pollution of the indoor air, and the combined operation is particularly effective. ．． According to M requirement 3, since the system automatically operates according to the degree of pollution of the indoor air, it can be used even in an unoccupied room, and the system can be operated and managed without the need for human intervention.
According to claim 4, since the corresponding blowers are switched and operated in stages according to the detection output of the sensor, it is possible to perform appropriate purification adjustment according to the degree of air pollution. According to claim 5, since the blower operates even when there is a temperature difference in the room, it is possible to average the temperature in the room and also have a circulator effect. It is even more convenient because it allows accurate averaging.

[Brief explanation of the drawing]

Figure 1 is a side sectional view showing the first embodiment of the present invention, and Figure 1 is a side sectional view showing the first embodiment of the present invention.
Figure 3 is a front view showing the internal structure of Figure 2, Figure 4 is a circuit diagram, Figure 5 is an explanatory diagram showing the purification effect when the upper layer of the room is contaminated, Figure 6 Figure 7 is an explanatory diagram showing the purification effect when the lower layer of the room is contaminated, Figure 7 is an explanatory diagram showing the circulator action during heating, Figure 8 is an explanatory diagram showing the circulator action during cooling, and Figure 9 is an explanatory diagram showing the circulator action during cooling. 10 is a front view, FIG. 11 is a front view showing the internal structure of FIG. 10, FIG. 12 is a circuit diagram, and FIG. Figures 14 and 15 are a side sectional view, a front view, and a front view of the internal structure of an example of a conventional structure. 1...Main body, 2,3...Suction port, 4...Air outlet, 5,6...Blower, 7,9...Prefilter, 8,10...Electric precipitator , 11. 12...
・Ventilation duct, 13. 14... changeover switch, 23
．． 24...sensor, 25. 26... automatic changeover switch, 25a, 26a... switching unit, 27
, 28... Temperature sensor, 29... Temperature sensor for comparison standard. Figure 1 Figure 2 Figure 2 Book A Book 2,3 sucks.・Entrance 4, Lonely Sakiyama Rero 5, 6 Door-* 7, 9 Pre-74 Ruff
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Claims (1)

[Claims] 1. The main body includes suction ports provided at the top and bottom of the main body, and an air outlet provided between the two suction ports of the main body, and between the air blowout port and the two suction ports in the main body. 1. A vertical suction type air purifying device characterized by having a blower and a purifying means provided in each of the ventilation passages. 2. The upper and lower suction type air purifying device according to claim 1, further comprising switching means for selectively switching both of the blowers between independent operation and simultaneous operation. 3. In claim 1, sensors for detecting cigarette smoke and reducing gas are installed at the upper and lower parts of the main body, respectively,
A vertical suction type air purifying device characterized by having interlocking means for driving corresponding blowers in conjunction with detection by each sensor. 4. The vertical suction type air purifying device according to claim 3, wherein the interlocking means switches and operates the corresponding blower in stages according to the detection output of each sensor. 5. In claim 1, a plurality of temperature sensors are installed along the vertical direction at the upper and lower parts of the main body, and a comparison reference temperature sensor is installed between each of the temperature sensors, and the comparison reference temperature sensor and the comparison reference temperature sensor are installed. 1. A vertical suction type air cleaning device characterized by having interlocking means for driving a blower corresponding to a position where there is a temperature difference when a difference occurs between the temperatures measured by the respective temperature sensors. 6. The vertical suction type air purifying device according to claim 5, wherein the interlocking means switches and operates the blower in stages according to the magnitude of the temperature difference determined by the temperature sensor.