JPH0594627U - air conditioner - Google Patents

Abstract

(57) [Summary] An air conditioner in which an air introduction path 23 for introducing the exhaust gas of the heat radiation fan 22 of the controller H to the air intake side of the air conditioner 1 is provided inside the casing P. [Effect] It is possible to prevent noise of the radiating fan, such as the sound of exhausted air and the noise of the motor that drives the fan, from leaking to the outside of the casing, so that an air conditioner with reduced noise is provided. be able to.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an air conditioner in which an air conditioner that adjusts intake air and a controller that controls the operation of the air conditioner are housed inside a casing.

[0002]

[Prior Art]

 Conventionally, in this type of air conditioner, the radiator fan of the controller is attached to the casing itself, and the casing is provided with an exhaust port for discharging the exhaust gas of the radiator fan to the outside of the casing.

[0003]

[Problems to be solved by the device]

 However, according to the above-mentioned conventional technique, the exhaust air of the heat dissipation fan is blown directly from the exhaust port to the outside of the casing. Therefore, the heat dissipation fan such as the blowout sound of the exhaust air or the motor sound of the fan is emitted. However, there was an inconvenience that it was impossible to prevent the noise from leaking outside the casing. The present invention is to eliminate the above-mentioned conventional drawbacks.

[0004]

[Means for Solving the Problems]

 A first characteristic configuration of the air conditioner according to the present invention is that an air introduction path for introducing the exhaust gas of the heat radiation fan of the controller to the air intake side of the air conditioner is provided inside the casing. ..

A second characteristic configuration of the air conditioner according to the present invention specifies a preferred specific configuration for implementing the first characteristic configuration, and a state in which the air conditioner is located above the controller. The point is that it is equipped with.

[0006]

[Action]

 According to the first characteristic configuration of the present invention, since the air introduction path for introducing the exhaust air of the heat dissipation fan to the air intake side of the air conditioner is provided inside the casing, the exhaust air of the heat dissipation fan is directly connected to the casing. It will not be blown outside.

According to the second characteristic configuration, since the air conditioner is provided in a state of being located above the controller, the air introduction passage can be formed so as to be located above the controller.

[0008]

[Effect of the device]

 According to the first characteristic configuration, since the exhaust gas of the heat radiation fan is not directly blown out of the casing, it is possible to prevent the noise of the heat radiation fan from leaking to the outside of the casing. It is possible to provide an air conditioner with a reduced price.

According to the second characteristic configuration, the air introduction path can be configured to be located above the controller, so that the inside of the controller heated by the heat radiation from the controller and rising. The air can be efficiently exhausted.

[0010]

【Example】

 Hereinafter, an air conditioner according to the present invention will be described with reference to the drawings. FIG. 1 shows an indoor unit of a system package type air conditioner as an air conditioner in which an air conditioner that adjusts intake air and a controller that controls the operation of the air conditioner are housed inside a casing P. .. The indoor unit of the system package type air conditioner includes an indoor air heat exchanger 1 of a heat pump J as an air conditioner for conditioning intake air, and a heat pump as a controller for controlling the operation of the indoor air heat exchanger 1. The controller H of J is housed in the casing P of the indoor unit.

As shown in FIG. 3, the heat pump J is a heat medium system in which a heat exchanger 1 for indoor air, a heat exchanger 2 for outdoor air, a compressor 3 and an expansion valve 4 are connected by a heat medium pipe. K and two air passage systems, that is, the return air RA from the area to be air-conditioned is ventilated to the indoor air heat exchanger 1 to regulate the temperature, and the regulated supply air SA is supplied to the supply fan 5. The air path system A of the temperature-controlled air to be supplied to the area to be air-conditioned again and the outside air OA are ventilated to the outdoor air heat exchanger 2, and the exhausted air EA after being ventilated is re-exposed to the outside air by the exhaust fan 6. The air passage system B for the outside air to be exhausted. The heat medium system K can be switched between the case where the indoor air heat exchanger 1 functions as a condenser and the case where it functions as an evaporator by reversing the circulation direction of the circulation of the heat medium by the compressor 3. Therefore, a system package type air conditioner for both heating operation and cooling operation is constructed. Further, the air passage system A is provided with a damper 7 for adjusting the amount of the return air RA to be ventilated in the indoor air heat exchanger 1, and the air passage system B is ventilated to the outdoor air heat exchanger 2. A damper 8 for adjusting the amount of introduced outside air OA is provided. Further, between the air passage system A and the air passage system B, an air passage C that guides the outside air OA to the indoor air heat exchanger 1, and an air passage D that guides the return air RA to the outdoor air heat exchanger 2. By adjusting the damper 9 provided in the air passage C and the damper 10 provided in the air passage D, it is possible to perform the ventilation operation at the same time while performing the temperature control operation for the air conditioning target area. A system package type air conditioner is constructed.

On the other hand, as shown in FIGS. 1 and 2, the casing P of the indoor unit of the system package type air conditioner includes a base frame 11, a bottom plate 12 assembled on the base frame 11, a side plate 13, and a normal plate. The face plate 14, the back plate 15, and the top plate 16 are included. The inside of the casing P is vertically divided by an intermediate table 17, and the part below the intermediate table 17 is horizontally divided by a partition plate 18, and the controller H is housed in the right part of the partition plate 18. A control room 19 is formed.

The indoor air heat exchanger 1 is provided in a substantially central portion on the upper side of the intermediate table 17 so as to partition the upper side of the intermediate table 17 into left and right parts. The indoor air heat exchanger 1 is provided with a filter 20 on its air intake side and a humidifier 21 on its air discharge side. Further, the upper plate 16 is provided with a return air port 16a for taking in the return air RA from the air conditioning target area into the casing P at a portion located on the right side of the indoor air heat exchanger 1, and In a portion located on the left side of the heat exchanger 1, there is provided an air supply port 16b through which the supply air SA whose temperature has been adjusted by the indoor air heat exchanger 1 is sent again to the air conditioning target area. Therefore, the return air port 16a, the indoor heat exchanger 1, and the air supply port 16b constitute an air passage system A for temperature-controlled air. An air supply duct 5a and an air supply fan 5 are provided below the air supply port 16b so that air is blown from the air passage system A. The damper 7 is provided below the return air port 16a, and is configured to adjust the intake amount of the return air RA. Further, in a portion of the back plate 15 above the intermediate table 17 and on the right side of the indoor air heat exchanger 1, the outside air OA is taken into the air intake side of the air passage system A. A mouth 15a is provided. The outside air port 15a is provided with the damper 9 so as to adjust the intake amount of the outside air OA.

The parts of the heating medium system K, such as the compressor 3 and the expansion valve 4 (not shown), are provided on the left side of the partition plate 18 below the intermediate table 17. ..

The controller H is composed of a control device (not shown) whose main part is a microcomputer, an inverter (not shown) which controls the rotation speed of the drive motor, and the like. That is, the controller H controls the operation of the heat pump J by adjusting the drive of the air supply fan 5, the exhaust fan 6, and the compressor 3, the opening degree of the expansion valve 4, the operation of the humidifier 21, and the like. It is configured to control the temperature control operation of the indoor air heat exchanger 1.

The exhaust of the heat radiating fan 22 of the controller H is installed in a portion of the intermediate stand 17 located above the controller H and on the air intake side of the indoor air heat exchanger 1. A ventilation port 23 is provided as an air introduction path that is introduced into the air intake side of the indoor air heat exchanger 1. The ventilation port 23 is formed by punching out a flat plate forming the intermediate table 17. The heat radiation fan 22 is attached to the lower surface side of the intermediate stand 17 so as to overlap with the ventilation hole 23, and the air in the controller room 19 is passed through the ventilation hole 23 to the upper side of the intermediate stand 17 by the rotation of the fan. It is configured to send out. It should be noted that the bottom plate 12 is provided with a ventilation port 24 so that the air outside the casing P is introduced into the controller chamber 19 from the lower side of the controller H with the exhaust of the heat radiation fan 22. It is composed of

[Other Embodiments] In the above-described embodiment, the heat radiation fan 22 is provided so as to overlap with the ventilation port 23, but is provided on the ventilation port 24 side, and the outside of the casing P is provided by the rotation of the fan. The air in the controller room 19 may be introduced into the controller room 19, and the air in the controller room 19 may be discharged through the ventilation port 23 accordingly. Further, the number of heat radiation fans 22 is not limited to one.

The air introduction path is not limited to the hole formed in the intermediate table 17 or the like, and may be configured by a duct member or the casing of the heat dissipation fan 22 itself.

The position where the controller chamber 19 is formed in the casing P may be above, below, side, or front of the portion where the air passage system A is formed by the indoor air heat exchanger 1. It may be in the back. Further, along with this, the positions of the return air port 16a and the air supply port 16b can be changed as appropriate. Further, the casing P may be configured as an integrated system package type air conditioner such that the entire heat pump J including the outdoor air heat exchanger 2 and the exhaust fan 6 is packaged.

It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a front view showing an indoor unit of a system package type air conditioner.

FIG. 2 is a sectional view showing an indoor unit of a system package type air conditioner.

FIG. 3 is a configuration diagram showing an overall configuration of a heat pump J.

[Explanation of symbols]

 H controller P casing 1 air conditioner 22 radiating fan 23 air introduction path

Claims (2)

[Scope of utility model registration request] 1. An air conditioner for conditioning intake air (1)
And a controller (H) for controlling the operation of the air conditioner (1) is an air conditioner housed inside a casing (P), and the controller is installed inside the casing (P). An air conditioner provided with an air introduction path (23) for introducing the exhaust gas of the heat radiation fan (22) of (H) to the air intake side of the air conditioner (1). 2. The air conditioner (1) is the controller (H).
The air conditioner according to claim 1, wherein the air conditioner is provided above the air conditioner.