JP7182922B2 - Air conditioner cleaning equipment - Google Patents

Description

The present invention relates to an air conditioner cleaning apparatus for cleaning a heat exchanger of an air conditioner.

Conventionally, there has been known a cleaning device for an air conditioner, which includes a cleaning nozzle for ejecting a cleaning liquid toward a heat exchanger, and a waterproof cover provided below the air conditioner to receive the cleaning liquid falling from the heat exchanger. (See Patent Document 1, for example).

JP-A-2006-64227

However, when cleaning the heat exchanger, the air conditioner must be disassembled, the panel, drain pan, and fan must be removed from the air conditioner, and then the waterproof cover must be installed below the air conditioner. There was a problem that the working efficiency of cleaning the heat exchanger was poor.

SUMMARY OF THE INVENTION An object of the present invention is to provide an air conditioner cleaning apparatus capable of improving the work efficiency of cleaning a heat exchanger. .

An air conditioner cleaning apparatus according to the present invention is an air conditioner for cleaning a heat exchanger in an air conditioner, which includes a drain pan for receiving drain water falling from the heat exchanger and a drain pump for sucking up the drain water accumulated in the drain pan. A washing device for a machine, comprising a water spraying device for spraying a cleaning liquid on a heat exchanger, the cleaning liquid applied from the watering device to the heat exchanger is stored in a drain pan , and the watering device generates wind toward the heat exchanger. The fan is formed with a cleaning liquid channel to which the cleaning liquid is supplied from the outside and an ejection hole through which the cleaning liquid that has passed through the cleaning liquid channel is discharged, and the fan is discharged from the ejection hole. Apply the cleaning liquid to the heat exchanger .

According to the air conditioner cleaning apparatus of the present invention, the water sprinkler for applying the cleaning liquid to the heat exchanger is provided, and the cleaning liquid applied to the heat exchanger from the water sprinkler is collected in the drain pan. Thereby, the heat exchanger can be cleaned without disassembling the air conditioner. As a result, the working efficiency of cleaning the heat exchanger can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS It is a side view which shows the principal part of the air conditioner which concerns on Embodiment 1 of this invention. FIG. 2 is a plan view showing the air conditioner of FIG. 1; 2 is a block diagram showing the air conditioner of FIG. 1; FIG. FIG. 2 is a configuration diagram showing a main part of an air conditioner cleaning apparatus according to Embodiment 2 of the present invention; 5 is a diagram showing a state in which the anti-scattering wall of FIG. 4 is deformed; FIG. Fig. 5 is a block diagram showing the air conditioner of Fig. 4; FIG. 10 is a configuration diagram showing a main part of an air conditioner cleaning apparatus according to Embodiment 3 of the present invention;

Embodiment 1.
1 is a side view showing the essential parts of an air conditioner according to Embodiment 1 of the present invention, FIG. 2 is a plan view showing the air conditioner of FIG. 1, and FIG. 3 is the air conditioner of FIG. It is a block diagram showing. The air conditioner according to Embodiment 1 of the present invention is a ceiling-embedded air conditioner. In addition, this air conditioner is a four-way air conditioner. Therefore, this air conditioner blows out wind in four directions.

The air conditioner includes a fan 1 that rotates to generate wind, a heat exchanger 2 to which the wind generated by the fan 1 is directed, a drain pan 3 that receives drain water generated in the heat exchanger 2, and a drain pan 3 to store water. and a drain pump 4 for sucking up drain water.

Air generated by the fan 1 flows radially outward from the fan 1 and hits the heat exchanger 2 . Drain water is generated on the surface of the heat exchanger 2 due to air blowing against the heat exchanger 2 when the operation of the air conditioner is cooling operation.

The drain pan 3 is arranged below the heat exchanger 2 . Drain water generated on the surface of the heat exchanger 2 drops from the heat exchanger 2 and is received by the drain pan 3 . The drain water received by the drain pan 3 is stored in the drain pan 3.

The heat exchanger 2 is formed to have a square shape when viewed from above. The drain pan 3 is formed so as to correspond to the shape of the heat exchanger 2 and have a square shape when viewed from above.

In this example, the air conditioner has one drain pump 4 . The drain pan 3 is arranged so that the bottom surface of the drain pan is inclined with respect to the horizontal plane. The drain pump 4 is arranged so as to suck up the drain water accumulated at the lowest position on the bottom surface of the drain pan 3 .

The air conditioner further includes a sprinkler device 5 provided above the heat exchanger 2 . The sprinkler device 5 applies the cleaning liquid to the heat exchanger 2 . The cleaning liquid dropped from the sprinkler device 5 hits the heat exchanger 2 . In this example, water is used as the cleaning liquid. As the water used as the cleaning liquid, water supplied from the outside may be used when the air conditioner is used as a humidifier. The cleaning liquid is not limited to water, and may be other cleaning liquids. Also, the air conditioner may further include a tank in which the cleaning liquid is stored.

The air conditioner also includes a watering control device 6 that controls the driving of the watering device 5, a pump control device 7 that controls the driving of the drain pump 4, and a control device body 8 that controls the operation of the air conditioner. ing. The air conditioner cleaning device comprises a drain pan 3 , a sprinkler device 5 , a sprinkler controller 6 , a drain pump 4 , a pump controller 7 and a controller body 8 .

When the cooling operation of the air conditioner is stopped, the water sprinkler control device 6 drives the water sprinkler device 5 to clean the heat exchanger 2 . In addition, not only when the cooling operation of the air conditioner is stopped, for example, when it is a preset time at night and the operation of the air conditioner is stopped, the watering control device 6 The heat exchanger 2 may be cleaned by driving the device 5 .

The pump control device 7 drives the drain pump 4 when the operation of the air conditioner is cooling operation and when the sprinkler control device 6 drives the sprinkler device 5 to clean the heat exchanger 2 . Drain water or cleaning liquid sucked up by the drain pump 4 is discharged to the outside through an external pipe (not shown).

Next, the cleaning operation of the air conditioner will be described. When the air conditioner starts the cleaning operation, the water sprinkler 5 applies the cleaning liquid to the heat exchanger 2 . The cleaning liquid that hits the heat exchanger 2 drops into the drain pan 3 together with the foreign matter adhering to the heat exchanger 2 . The cleaning liquid and foreign matter that have fallen into the drain pan 3 are collected in the drain pan 3 . The cleaning liquid and foreign matter accumulated in the drain pan 3 are sucked up by the drain pump 4 . The heat exchanger 2 is thereby cleaned.

The supply of the cleaning liquid from the water sprinkler 5 to the heat exchanger 2 is performed for a preset time, and then the supply of the cleaning liquid from the water sprinkler 5 to the heat exchanger 2 is stopped. Then, after a preset time has elapsed, the driving of the drain pump 4 is stopped. Thus, the cleaning operation of the air conditioner is completed.

As described above, the air conditioner cleaning apparatus according to Embodiment 1 of the present invention includes the water sprinkler 5 that applies the cleaning liquid to the heat exchanger 2 . The cleaning liquid applied to the heat exchanger 2 from the sprinkler 5 is stored in the drain pan 3 . Thereby, the heat exchanger 2 can be cleaned without disassembling the air conditioner. As a result, the working efficiency of cleaning the heat exchanger 2 can be improved. Also, the drain pan 3 is used to store the cleaning liquid used for cleaning the heat exchanger 2 . Thereby, the configuration of the air conditioner can be simplified.

In the first embodiment, the configuration in which the washing liquid is applied from the sprinkler device 5 to the heat exchanger 2 has been described. In addition to this, the configuration may further include a pump device for increasing the water pressure of the cleaning liquid in the sprinkler device 5 . In this case, the cleaning liquid is sprayed from the sprinkler device 5 and hits the heat exchanger 2 . Thereby, the cleaning efficiency of the heat exchanger 2 can be improved. Moreover, the configuration may further include a heating device for increasing the temperature of the cleaning liquid in the sprinkler device 5 . This causes the heated cleaning liquid to hit the heat exchanger 2 . As a result, the cleaning efficiency of the heat exchanger 2 can be improved.

Embodiment 2.
FIG. 4 is a configuration diagram showing a main part of an air conditioner cleaning apparatus according to Embodiment 2 of the present invention. The air conditioner further comprises a scattering prevention wall 9. The anti-scattering wall 9 is provided so that the heat exchanger 2 is arranged between the sprinkler device 5 and the anti-scattering wall 9 in the width direction of the heat exchanger 2 . Moreover, the anti-scattering wall 9 is arranged above the drain pan 3 .

A sprinkler device 5 is arranged closer to the fan 1 than the heat exchanger 2 . The anti-scattering wall 9 is arranged farther from the fan 1 than the heat exchanger 2. - 特許庁In addition, the sprinkler device 5 may be arranged further away from the fan 1 than the heat exchanger 2 . In this case, the anti-scattering wall 9 is arranged closer to the fan 1 than to the heat exchanger 2 .

The sprinkler device 5 jets out the cleaning liquid toward the heat exchanger 2 . The washing liquid hitting the heat exchanger 2 drops from the heat exchanger 2 and is accumulated in the drain pan 3. - 特許庁The cleaning liquid that has passed through the heat exchanger 2 hits the anti-scattering wall 9 . The cleaning liquid hitting the scattering prevention wall 9 drops from the scattering prevention wall 9 and is accumulated in the drain pan 3. - 特許庁

FIG. 5 is a diagram showing a state in which the anti-scattering wall 9 of FIG. 4 is deformed. Moreover, the anti-scattering wall 9 is contractible in the height direction A. As shown in FIG. Examples of the structure of the scattering prevention wall 9 include a bellows structure and a blind structure.

The anti-scattering wall 9 has a cleaning position where the heat exchanger 2 is arranged between the water sprinkler 5 and the anti-scattering wall 9, and a storage position where the heat exchanger 2 is not arranged between the water sprinkler 5 and the anti-scattering wall 9. It is displaceable between positions. The anti-scattering wall 9 is displaced between the washing position and the storage position by expanding and contracting in the height direction.

The sprinkler device 5 is movable in the depth direction of the heat exchanger 2 . By moving the water sprinkler 5 in the depth direction of the heat exchanger 2 , the water sprinkler 5 can apply the cleaning liquid over the entire area of the heat exchanger 2 . Further, when the spraying of the cleaning liquid from the water sprinkler 5 is stopped, that is, when the air conditioner does not perform the cleaning operation, the water sprinkler 5 is placed at the corners of the square-shaped heat exchanger 2. are placed next to each other. As a result, when the air conditioner performs cooling operation, for example, it is possible to reduce the blocking of the wind from the fan 1 toward the heat exchanger 2 by the sprinkler device 5 .

6 is a block diagram showing the air conditioner of FIG. 4. FIG. The air conditioner includes a wall displacement device 10 that displaces the anti-scattering wall 9 between a cleaning position and a storage position, a wall displacement control device 11 that controls the driving of the wall displacement device 10, and a water sprinkling device 5 that displaces the water sprinkling device. A displacement device 12 and a watering displacement control device 13 for controlling the driving of the watering displacement device 12 are further provided. The wall displacement control device 11 drives the wall displacement device 10 to displace the scattering prevention wall 9 from the storage position to the cleaning position when the water spray control device 6 drives the water spray device 5 to wash the heat exchanger 2. Let The watering displacement control device 13 drives the watering displacement device 12 to displace the watering device 5 when the cleaning liquid is jetted from the watering device 5 toward the heat exchanger 2 .

The cleaning device of the air conditioner includes a drain pan 3, a watering device 5, a watering control device 6, a drain pump 4, a pump control device 7, a control device body 8, a scattering prevention wall 9, a wall displacement device 10, a wall displacement control device 11, It is composed of a watering displacement device 12 and a watering displacement control device 13 . Other configurations are the same as those of the first embodiment.

Next, the cleaning operation of the air conditioner will be described. When the air conditioner starts the cleaning operation, the anti-scattering wall 9 is displaced from the storage position to the cleaning position. After that, while the water sprinkler 5 moves in the depth direction of the heat exchanger 2 , the cleaning liquid is jetted from the water sprinkler 5 toward the heat exchanger 2 . A portion of the cleaning liquid jetted toward the heat exchanger 2 hits the heat exchanger 2 . The cleaning liquid that hits the heat exchanger 2 drops into the drain pan 3 together with the foreign matter adhering to the heat exchanger 2 .

Part of the cleaning liquid jetted toward the heat exchanger 2 hits the anti-scattering wall 9 without hitting the heat exchanger 2 . The cleaning liquid hitting the scattering prevention wall 9 drops into the drain pan 3. - 特許庁

The cleaning liquid and foreign matter that have fallen into the drain pan 3 are collected in the drain pan 3 . The cleaning liquid and foreign matter accumulated in the drain pan 3 are sucked up by the drain pump 4 . The heat exchanger 2 is thereby cleaned.

After the cleaning liquid is supplied from the water sprinkler 5 to the heat exchanger 2 for a preset time, the supply of the cleaning liquid from the water sprinkler 5 to the heat exchanger 2 is stopped. After that, the anti-scattering wall 9 is displaced from the cleaning position to the storage position, and the sprinkler device 5 is arranged at a position adjacent to the corner of the heat exchanger 2 . Thereafter, after a preset time has elapsed since the supply of the cleaning liquid was stopped, the driving of the drain pump 4 is stopped. Thus, the cleaning operation of the air conditioner is completed.

As described above, according to the air conditioner cleaning apparatus according to Embodiment 2 of the present invention, the heat exchanger 2 is arranged between the heat exchanger 2 and the water sprinkler 5 in the width direction, and the drain pan 3 It has a scattering prevention wall 9 arranged above. The sprinkler device 5 spouts the cleaning liquid toward the anti-scattering wall 9 . The cleaning liquid hitting the scattering prevention wall 9 is collected in the drain pan 3. - 特許庁As a result, the cleaning liquid sprayed from the sprinkler device 5 can be more reliably discharged to the outside.

In addition, the anti-scattering wall 9 has a washing position where the heat exchanger 2 is arranged between the water sprinkler 5 and the anti-scattering wall 9, and the heat exchanger 2 is arranged between the water sprinkler 5 and the anti-scattering wall 9. It can be displaced between a retracted position and a retracted position. As a result, the wind generated by the fan 1 can be prevented from hitting the scattering prevention wall 9 when the heat exchanger 2 is not cleaned.

Moreover, the anti-scattering wall 9 is displaced between the cleaning position and the storage position by expanding and contracting in the height direction. As a result, the anti-scattering wall 9 can be displaced between the cleaning position and the storage position with a simple configuration.

In the above-described second embodiment, a configuration has been described in which the anti-scattering wall 9 is displaced between the cleaning position and the storage position by expanding and contracting in the height direction. However, the configuration is not limited to this, and for example, the scattering prevention wall 9 may be detachable from the housing of the air conditioner. In this case, the operator installs the scattering prevention wall 9 on the air conditioner when the air conditioner is to be cleaned.

Further, in the above-described second embodiment, the configuration in which the water sprinkler 5 is displaced by the water sprinkler displacement device 12 has been described. However, without being limited to this, for example, a configuration in which an operator displaces the sprinkler device 5 may be employed.

Embodiment 3.
FIG. 7 is a configuration diagram showing a main part of an air conditioner cleaning apparatus according to Embodiment 3 of the present invention. The sprinkler system consists of a fan 1 that generates wind toward a heat exchanger 2 . The fan 1 is formed with a cleaning liquid flow path (not shown) to which the cleaning liquid is supplied from the outside, and an ejection hole (not shown) through which the cleaning liquid that has passed through the cleaning liquid flow path is discharged.

The cleaning liquid discharged from the jet holes of the fan 1 hits the heat exchanger 2 . The supply of the cleaning liquid to the cleaning liquid channel may be performed by an operator or may be performed from a tank in which the cleaning liquid is stored. When the cleaning liquid is supplied to the cleaning liquid channel from the tank storing the cleaning liquid, the air conditioner further includes a tank storing the cleaning liquid and a cleaning liquid pipe through which the cleaning liquid stored in the tank flows toward the fan 1. Prepare.

While the fan 1 rotates, the cleaning liquid is discharged from the ejection holes of the fan 1. - 特許庁The air conditioner cleaning device comprises a fan 1 , a drain pan 3 , a drain pump 4 , a pump control device 7 , a control device body 8 , a scattering prevention wall 9 , a wall displacement device 10 and a wall displacement control device 11 . Other configurations are the same as those of the second embodiment.

Next, the cleaning operation of the air conditioner will be described. When the air conditioner starts the cleaning operation, the anti-scattering wall 9 is displaced from the storage position to the cleaning position. After that, the cleaning liquid is supplied to the fan 1 .

When the cleaning liquid is supplied to the fan 1, the fan 1 rotates. As a result, the cleaning liquid is discharged from the ejection holes of the fan 1 . The cleaning liquid discharged from the jet holes of the fan 1 goes to the heat exchanger 2 . A portion of the cleaning liquid directed to the heat exchanger 2 hits the heat exchanger 2 . The cleaning liquid that hits the heat exchanger 2 drops into the drain pan 3 together with the foreign matter adhering to the heat exchanger 2 .

A portion of the cleaning liquid directed to the heat exchanger 2 hits the anti-scattering wall 9 without hitting the heat exchanger 2 . The cleaning liquid hitting the scattering prevention wall 9 drops into the drain pan 3. - 特許庁

The cleaning liquid and foreign matter that have fallen into the drain pan 3 are collected in the drain pan 3 . The cleaning liquid and foreign matter accumulated in the drain pan 3 are sucked up by the drain pump 4 . The heat exchanger 2 is thereby cleaned.

After supplying the cleaning liquid from the fan 1 to the heat exchanger 2 for a preset time, the supply of the cleaning liquid to the fan 1 is stopped. After that, the anti-scattering wall 9 is displaced from the cleaning position to the storage position. Thereafter, after a preset time has passed since the supply of the cleaning liquid to the fan 1 was stopped, the driving of the drain pump 4 is stopped. Thus, the cleaning operation of the air conditioner is completed.

As described above, according to the air conditioner cleaning apparatus according to Embodiment 3 of the present invention, the water spraying device is composed of the fan 1 that generates the wind toward the heat exchanger 2 . The fan 1 is formed with a cleaning liquid flow path to which the cleaning liquid is supplied from the outside, and an ejection hole through which the cleaning liquid that has passed through the cleaning liquid flow path is discharged. The fan 1 hits the heat exchanger 2 with the cleaning liquid discharged from the ejection holes. Thereby, the fan 1 and the water sprinkler can be shared. As a result, the configuration of the air conditioner can be simplified.

Further, the fan 1 hits the heat exchanger 2 with the cleaning liquid discharged from the ejection holes while the fan 1 rotates. This makes it possible to easily apply the cleaning liquid to the entire heat exchanger 2 .

1 Fan 2 Heat Exchanger 3 Drain Pan 4 Drain Pump 5 Watering Device 6 Watering Control Device 7 Pump Control Device 8 Control Device Body 9 Scattering Prevention Wall 10 Wall Displacement Device 11 Wall Displacement Control Device 12 watering displacement device, 13 watering displacement control device.

Claims (5)

An air conditioner cleaning device for cleaning the heat exchanger in an air conditioner comprising a drain pan for receiving drain water falling from a heat exchanger and a drain pump for sucking up the drain water accumulated in the drain pan,
A sprinkler device for applying a cleaning liquid to the heat exchanger,
The cleaning liquid applied to the heat exchanger from the water sprinkler is stored in the drain pan ,
The sprinkler device is composed of a fan that generates a wind toward the heat exchanger,
The fan is formed with a cleaning liquid flow path through which the cleaning liquid is supplied from the outside, and an ejection hole through which the cleaning liquid that has passed through the cleaning liquid flow path is discharged,
The fan is a cleaning device for an air conditioner that applies the cleaning liquid discharged from the ejection hole to the heat exchanger . The heat exchanger is arranged between the water sprinkler device in the width direction of the heat exchanger, and a scattering prevention wall is arranged above the drain pan,
The water sprinkler sprays the cleaning liquid toward the heat exchanger,
2. The cleaning apparatus for an air conditioner according to claim 1, wherein the cleaning liquid that hits the scattering prevention wall is collected in the drain pan. The anti-scattering wall includes a washing position where the heat exchanger is arranged between the water sprinkler and the anti-scattering wall, and a storage position where the heat exchanger is not arranged between the water sprinkler and the anti-scattering wall. 3. The cleaning device for an air conditioner according to claim 2, which is displaceable between the positions. 4. The cleaning device for an air conditioner according to claim 3, wherein the anti-scattering wall is displaced between the cleaning position and the storage position by expanding and contracting in the height direction. 5. The cleaning apparatus for an air conditioner according to claim 1, wherein the fan hits the heat exchanger with the cleaning liquid discharged from the ejection hole while the fan rotates.

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