JP7144463B2 - Air conditioner and air conditioner cleaning method - Google Patents

Description

This application is a Chinese patent application with application number 201910785967.8, filed on August 23, 2019, titled "Air Conditioner and Air Conditioner Cleaning Method", filed on August 23, 2019 A Chinese patent application with the application number 201910786747.7 titled "Air Conditioner and Air Conditioner Cleaning Method" filed on August 23, 2019 with the application number 201910786083.4 titled A Chinese patent application entitled "Air Conditioner and Air Conditioner Cleaning Method" and a Chinese patent application filed on August 23, 2019 with application number 201910785987.5 titled "Air Conditioner and Air Conditioner Cleaning Method" Priority is claimed from a patent application, the entire disclosure of which is incorporated herein by reference.

TECHNICAL FIELD The present disclosure relates to the field of air conditioner technology, and more particularly to air conditioners and air conditioner cleaning methods.

After the air conditioner is left unused or used for a long period of time, a certain amount of dust adheres to the surface of the heat exchanger, and the dust reduces the heat exchange efficiency of the heat exchanger, thus degrading the performance of the air conditioner. , the energy consumption is increased. Conventional air conditioning cleaning methods mainly use cooling to generate condensed water on the surface of the heat exchanger of the indoor unit, and then heating to dry the condensed water, that is, use the condensed water to remove dust.

In the process of realizing the air conditioner cleaning described above, the inventors discovered that at least the following problems existed in the prior art.

In the actual implementation process, the condensed water is too small, the cleaning effect is not good, and the condensed water is not dried effectively, so there is a possibility that the cleaning effect is not effective. These glitches adversely affect the user experience.

Embodiments of the present application solve the problem of low air conditioner cleaning effect in the prior art, and provide an air conditioner and an air conditioner cleaning method for effectively cleaning the air conditioner.

In order to achieve the above objects, the embodiments of the present disclosure employ the following technical solutions.

A first aspect provides an air conditioner cleaning method.
The air conditioner includes an outdoor unit and an indoor unit, and the indoor unit includes at least an indoor unit control unit , an indoor unit fan , and an indoor unit coil ; It includes the machine fan, compressor, and outdoor machine coil.
The cleaning method includes a case where the cleaning method is executed according to a drying command received by the air conditioner and a case where the cleaning method is executed according to the cleaning command received by the air conditioner.
When executing the cleaning method according to the drying command received by the air conditioner,
when the air conditioner receives a dry command, controlling the air conditioner to transition to a dry state according to the dry command and the operating state of the air conditioner;
controlling the air conditioner to transition to the heating process in the dry state;
The method includes controlling the indoor unit fan to operate at a predetermined rotation speed after the air conditioner transitions to the dry heating process.
When the air conditioner executes the cleaning method according to the received cleaning command,
controlling the air conditioner to transition to a washing state when the air conditioner receives a washing command;
controlling the air conditioner to transition to the cooling process of the washing state;
After the air conditioner finishes the cooling process in the cleaning state, the air conditioner is controlled to shift to the heating process in the cleaning state;
The indoor unit fan is controlled to operate at a predetermined rotation speed after the air conditioner shifts to the heating process in the cleaning state.

In a second aspect, embodiments of the present application provide an air conditioner. The air conditioner includes an outdoor unit and an indoor unit, and the indoor unit includes at least an indoor unit control unit, an indoor unit fan, and an indoor unit coil; The indoor unit control unit is used for executing the air conditioner cleaning method according to the first aspect.

In a third aspect, a computer-readable storage medium storing one or more programs is provided. The one or more programs include instructions that, when executed by a computer, cause the computer to perform the air conditioner cleaning method according to the first aspect.

In a fourth aspect, a computer program product comprising instructions is provided. When the instructions are executed by a computer, they cause the computer to perform the air conditioner cleaning method according to the first aspect.

In a fifth aspect, an air conditioner cleaning apparatus comprising a memory for storing a program for executing the air conditioner cleaning method according to the first aspect, and a processor for calling the program stored in the memory. offer.

An air conditioner and an air conditioner cleaning method according to an embodiment of the present application control the air conditioner to transition to a dry state according to a drying command and the operating state of the air conditioner, or when receiving a cleaning command, Control the air conditioner to transition to the cleaning state; in the heating process of the dry state, the heating accelerates the evaporation of the condensed water on the surface of the indoor unit coil, which is generated during the operation of the air conditioner in the cooling state or dehumidifying state. remove the condensed water; in the cooling process of the washing state, the cooling causes frost on the surface of the indoor unit coil, and the compressor is controlled to stop operating according to the temperature and duration measured by the sensor, and the Ensure a sufficient frosting time; in the heating process of the washing state, defrost by heating, generate condensed water to remove dirt on the surface of the indoor unit coil, wash the indoor unit coil, and then heat Evaporate excess condensate. By operating the indoor unit fan at a predetermined speed, condensed water remaining on the surface of the indoor unit coil is evaporated to dryness. In this way, the problem of low air conditioner cleaning effect in the prior art is solved, and the air conditioner is cleaned effectively.

In order to more clearly describe the technical solutions in the embodiments of the present application or the technical solutions of the prior art, the drawings necessary for describing the embodiments or the prior art will be briefly described below.

It is a figure which shows the structure of the air conditioner which concerns on the Example of this application. FIG. 1 shows a flow of an air conditioner cleaning method according to an embodiment of the present application; Fig. 2 shows the flow of the air conditioner cleaning method according to the embodiment of the present application; FIG. 1 shows a control flow of an air conditioner fan according to an embodiment of the present application; FIG. 2 shows a control flow of the air conditioner fan according to the embodiment of the present application; FIG. 3 shows a flow of an air conditioner cleaning method according to an embodiment of the present application; FIG. 4 shows a flow of an air conditioner cleaning method according to an embodiment of the present application; Fig. 5 shows the flow of the air conditioner cleaning method according to the embodiment of the present application; FIG. 6 shows a flow of an air conditioner cleaning method according to an embodiment of the present application;

Hereinafter, embodiments of the present application will be described with reference to the drawings.

As shown in FIG. 1 , the air conditioner according to some embodiments of the present application may be a separate air conditioner consisting of an outdoor unit 10 and an indoor unit 20 .

The outdoor unit 10 has an outdoor unit control unit 11, an outdoor environment temperature sensor 12, a compressor 13, an electronic expansion valve 14, an outdoor unit fan 15, and an outdoor unit coil 16. The indoor unit 20 has an indoor unit control unit. 21 , an indoor unit coil temperature sensor 22 , an indoor unit coil 23 , an indoor unit fan 24 and an indoor environment temperature sensor 25 . Those skilled in the art will understand that the configuration shown in FIG. 1 is schematic and does not limit the structure of the outdoor unit 10 and the indoor unit 20 . For example, the indoor unit 20 may have more or fewer parts than in FIG. 1, or may have a different configuration than that shown in FIG.

The indoor unit control unit 21 can identify the operating state of each sensor, acquire the temperature measured by each sensor, and transmit a corresponding signal to the outdoor unit control unit 11 according to a command transmitted from the user. . The outdoor unit controller 11 can control the compressor 13 and the electronic expansion valve 14 according to the signal transmitted from the indoor unit controller 21 and the temperature measured by the sensor.

The indoor unit control unit 21 can execute the following air conditioner cleaning method. As shown in FIG. 2, the air conditioner cleaning method includes the following steps.

S201: When the air conditioner receives the cleaning command, control the air conditioner to shift to the cleaning state.

The user command is a command such as a drying command, a cleaning command, an automatic cleaning command, a start command, or a stop command that the user transmits to the indoor unit control unit 21 via a wire controller or a remote controller as necessary. good. The operating state of the air conditioner may be a standby state, a cooling state, a heating state, a dehumidifying state, a drying state, a cleaning state, or the like.

In some embodiments, when the air conditioner receives the cleaning command, it checks whether to enter the cleaning state according to the temperature measured by the outdoor environment temperature sensor 12 .

For example, after receiving the cleaning command, it is determined whether the temperature measured by the outdoor environment temperature sensor 12 is lower than the first temperature, and if the temperature measured by the outdoor environment temperature sensor 12 is not lower than the first temperature. , controls the air conditioner to shift to the washing state.

In some embodiments, when the air conditioner receives the cleaning command, it checks whether to transition to the cleaning state according to the operating state of the air conditioner.

If the air conditioner is in the standby state, confirm that it will shift to the cleaning state.

In some embodiments, when the air conditioner is in an operating state, such as a cooling state, a heating state, or a dehumidifying state, the cooling state, heating state, or dehumidifying state ends before transitioning to the cleaning state. Avoid damage to the compressor due to rapid state switching.

In some embodiments, when the air conditioner receives the cleaning command, it checks whether to shift to the cleaning state according to the operating state of the air conditioner and the temperature measured by the outdoor environment temperature sensor 12 .

When the air conditioner is in the standby state, receives a cleaning command, and the temperature measured by the outdoor environment temperature sensor 12 is not lower than the first temperature, the air conditioner is controlled to shift to the cleaning state.

After receiving the cleaning command, the indoor unit control unit 21 acquires the temperature measured by the outdoor environment temperature sensor 12 and determines whether the outdoor environment temperature is relatively low. This avoids clogging of the drain pipe and flow of generated condensed water into the room due to executing the cleaning command under the condition that the outdoor environmental temperature is relatively low, which greatly affects the user experience.

For example, the first temperature is 0 degrees Celsius, and the temperature measured by the outdoor environment temperature sensor 12 is 15 degrees Celsius. After receiving the cleaning command, determine the current operating state of the air conditioner. If the current air conditioner is in a standby state and the acquired temperature measured by the outdoor environment temperature sensor 12 is 15 degrees Celsius, the temperature measured by the outdoor environment temperature sensor 12 is the first temperature, ie, 0 degrees Celsius. It determines that it is high, and controls the air conditioner to shift to the washing state.

S202: Control the air conditioner to transition to the cooling process in the washing state.

After the air conditioner shifts to the washing state, first, the air conditioner is controlled to shift to the cooling process in the washing state. to a cooling state to frost the surface of the indoor unit coil 23 .

In some embodiments, after the air conditioner transitions to the cleaning state, the interior cleaning indicator light is controlled to light up, thereby notifying the user that the air conditioner is being cleaned.

In some embodiments, if any one of the sensors fails after the air conditioner shifts to the cleaning state, the indoor cleaning indicator light is controlled to flash to inform the user that the sensor has failed. .

In some embodiments, after the air conditioner transitions to the cleaning state, the indoor unit baffle plate is controlled to face upward or close to avoid adversely affecting the user experience.

In some embodiments, after the air conditioner transitions to the cleaning state, upon receiving an activation command, it exits the cleaning state and performs activation.

In some embodiments, after the air conditioner transitions to the wash state, upon receiving a stop command, it exits the wash state and transitions to a standby state.

S203: Control the frequency of the compressor.

In some embodiments, after the air conditioner transitions to the washing state cooling process, the outdoor unit controller 11 is instructed to control the frequency of the compressor 13 according to the temperature measured by the indoor environment temperature sensor 25. instruct. Under the condition of ensuring the frosting effect on the surface of the indoor unit coil 23, the consumption of the cooling process in the washing state is reduced.

For example, when the temperature measured by the indoor environment temperature sensor 25 is 5 degrees Celsius or higher, the outdoor unit control unit 11 does not need to adjust the frequency of the compressor 13, while the indoor environment temperature sensor 25 measures The outdoor unit controller may reduce the frequency of the compressor 13 appropriately if the temperature to be applied is lower than 5 degrees Celsius.

S204: Control the indoor unit fan to operate at a predetermined rotational speed.

In some embodiments, the indoor unit fan 24 is controlled to operate at a predetermined rotational speed after the air conditioner transitions to the first time of the cooling process in the cleaning state.

In some embodiments, the indoor unit fan 24 is controlled to operate at a predetermined rotational speed for the second time after the air conditioner transitions to the cooling process in the cleaning state.

In some embodiments, the indoor unit fan 24 is controlled to continuously operate at a predetermined rotational speed after the air conditioner shifts to the cooling process in the cleaning state.

In some embodiments, the indoor unit fan 24 is controlled to continue operating at a predetermined rotational speed after the air conditioner finishes the cooling process in the cleaning state.

S205: When the air conditioner is in the cooling process of the washing state and the stop condition is satisfied, instruct the outdoor unit controller to stop the operation of the compressor.

In some embodiments, the stopping condition is that the temperature measured by the indoor unit coil temperature sensor 22 is less than or equal to the first cooling temperature and the duration is longer than the first cooling time.

For example, the first cooling temperature is minus 19 degrees Celsius and the first cooling time is 6 minutes. If the temperature measured by the indoor unit coil temperature sensor 22 is below minus 19 degrees Celsius and the duration is longer than 6 minutes, the outdoor unit controller 11 is instructed to stop the operation of the compressor 13 .

In some embodiments, the stop condition is that the temperature measured by the indoor unit ambient temperature sensor 25 is less than or equal to the second cooling temperature and the duration is longer than the first cooling time.

For example, the second cooling temperature is 5 degrees Celsius and the first cooling time is 6 minutes. When the temperature measured by the indoor unit temperature sensor 25 is 5 degrees Celsius or less and the duration is longer than 6 minutes, the outdoor unit controller 11 is instructed to stop the operation of the compressor 13 .

In some embodiments, the stopping condition is that the duration of the wash state cooling process is longer than the second cooling time. For example, when the second cooling time is set to 12 minutes, if the duration of the cooling process in the washing state exceeds 12 minutes, the outdoor unit controller 11 is instructed to control the compressor 13 to stop the operation. .

In some embodiments, the stop condition is that the temperature measured by the indoor unit coil temperature sensor 22 is less than or equal to the first cooling temperature and the duration is longer than the first cooling time, or the indoor unit environment temperature sensor 25 is less than or equal to the second cooling temperature and the duration is longer than the first cooling time. That is, when at least one of the two conditions is satisfied, the outdoor unit controller 11 is instructed to control the compressor 13 to stop its operation.

In some embodiments, the stopping condition is that the temperature measured by the indoor unit coil temperature sensor 22 is less than or equal to the first cooling temperature and the duration is longer than the first cooling time, or the cooling process in the washing state is longer than the second cooling time. Here, the second cooling time is longer than the first cooling time. That is, when at least one of the two conditions is satisfied, the outdoor unit controller 11 is instructed to control the compressor 13 to stop its operation.

In some embodiments, the stopping condition is that the temperature measured by the indoor unit ambient temperature sensor 25 is equal to or lower than the second cooling temperature and the duration is longer than the first cooling time, or the cooling process in the washing state is longer than the second cooling time. Here, the second cooling time is longer than the first cooling time. That is, when at least one of the two conditions is satisfied, the outdoor unit controller 11 is instructed to control the compressor 13 to stop its operation.

In some embodiments, the stop condition is that the temperature measured by the indoor unit coil temperature sensor 22 is less than or equal to the first cooling temperature and the duration is longer than the first cooling time, or the indoor unit environment temperature sensor 25 is less than or equal to the second cooling temperature and the duration is greater than the first cooling time, or the duration of the wash state cooling process is greater than the second cooling time, wherein 2 cooling time is longer than the first cooling time. That is, when at least one of the three conditions is satisfied, the outdoor unit controller 11 is instructed to control the compressor 13 to stop its operation.

For example, the first cooling temperature is minus 19 degrees Celsius, the second cooling temperature is 5 degrees Celsius, the first cooling time is 6 minutes, and the second cooling time is 12 minutes. The temperature measured by the indoor unit coil temperature sensor 22 is minus 19 degrees Celsius or less for a duration of more than 6 minutes, or the temperature measured by the indoor unit environment temperature sensor 25 is 5 degrees Celsius or less for a duration When at least one of the three conditions of more than 6 minutes or more than 12 minutes of the duration of the cooling process in the washing state is satisfied, the outdoor unit control unit 11 controls the compressor 13 to operate. instruct it to stop.

S206: Control the air conditioner to shift to the heating process in the washing state.

After the air conditioner shifts to the heating process in the cleaning state, the outdoor unit control unit 11 controls the compressor 13 and the electronic expansion valve 14 in accordance with instructions from the indoor unit control unit 21 to switch to the heating state, and the indoor unit coil Defrost the surface of 23.

In some embodiments, the indoor unit fan 24 is controlled to operate at a predetermined rotational speed after the air conditioner shifts to the third time of the heating process in the cleaning state.

In some embodiments, the indoor unit fan 24 is controlled to operate at a predetermined rotational speed for the fourth time after the air conditioner transitions to the washing state heating process.

In some embodiments, the indoor unit fan 24 is controlled to continuously operate at a predetermined rotational speed after the air conditioner shifts to the heating process in the cleaning state.

S207: When the air conditioner is in the heating process of the washing state and the termination condition is satisfied, instruct the outdoor unit controller to control the compressor to stop the operation.

In some embodiments, the termination condition is that the temperature measured by the indoor unit coil temperature sensor 22 is higher than the first heating temperature and the duration is longer than the first heating time.

For example, the first heating temperature is 50 degrees Celsius and the first heating time is 30 seconds. When the temperature measured by the indoor unit coil temperature sensor 22 is over 50 degrees Celsius and the duration is over 30 seconds, instruct the outdoor unit controller 11 to control the compressor 13 to stop the operation. .

In some embodiments, the termination condition is that the duration of the cleaning state heating process is greater than the second heating time.

For example, the second heating time is 7 minutes, and if the duration of the heating process in the cleaning state exceeds 7 minutes, the outdoor unit controller 11 is instructed to control the compressor 13 to stop its operation.

In some embodiments, the termination condition is that the temperature measured by the indoor unit coil temperature sensor 22 is greater than the first heating temperature and the duration is longer than the first heating time, or The duration is longer than the second heating time. Here, the second heating time is longer than the first heating time. That is, when at least one of the two conditions is satisfied, the outdoor unit controller 11 is instructed to control the compressor 13 to stop its operation.

For example, the first heating temperature is 50 degrees Celsius, the first heating time is 30 seconds, and the second heating time is 7 minutes. Of the two conditions, the temperature measured by the indoor unit coil temperature sensor 22 is greater than 50 degrees Celsius and the duration is greater than 30 seconds, or the duration of the washing state heating process is greater than 7 minutes. If at least one of the conditions is satisfied, the outdoor unit controller 11 is instructed to control the compressor 13 to stop its operation.

S208: Control the air conditioner to end the washing state.

After completing the cleaning state, the air conditioner is controlled to shift to the standby state.

In some embodiments, after the air conditioner finishes the cleaning state, it controls the interior cleaning indicator light to turn off.

In some embodiments, as shown in FIG. 3, in the method shown in FIG. 2, the method further includes step S209.

S209: When the air conditioner is in the cooling process of the washing state, the simulated temperature of the indoor unit coil temperature sensor is sent to the outdoor unit controller.

Here, the temperature of the simulated indoor unit coil temperature sensor 22 is higher than the anti-freezing temperature.

Some air conditioners have an anti-freezing function. When the temperature of the indoor unit coil 23 is lower than the anti-freezing temperature, the anti-freezing function of the air conditioner is triggered. The control unit 11 controls the compressor 13 and the electronic expansion valve 14 to stop operation, thereby avoiding damage to parts such as the indoor unit coil 23 due to long-term operation of the air conditioner in a low temperature state.

During the cooling process, the temperature measured by the indoor unit coil temperature sensor 22 may be lower than the antifreeze temperature. In order to prevent the anti-freezing protection function from affecting the frosting effect of the indoor unit coil 23, the indoor unit control unit 21 transmits the simulated temperature of the indoor unit coil temperature sensor 22 to the outdoor unit control unit 11. , disable the antifreeze protection function of the outdoor unit control unit 11 to avoid the influence of the antifreeze protection.

For example, the antifreeze protection temperature is 5 degrees Celsius. When the compressor 13 and the electronic expansion valve 14 are in the cooling process , the indoor unit controller 21 continues to transmit the simulated indoor unit coil temperature sensor 22 temperature of 10 degrees Celsius to prevent the outdoor unit controller 11 from freezing. Preventive protection can be disabled.

In some embodiments, as shown in FIG. 3, in the method shown in FIG. 2, the method further includes step S210.

S210: Control the air conditioner to transition to the protection process before the air conditioner transitions to the heating process of the cleaning state.

Before the air conditioner shifts to the washing state heating process, the air conditioner is controlled to shift to the protection process to avoid damage to the compressor due to the rapid change of state.

In some embodiments, as shown in FIG. 4, the indoor unit fan 24 is controlled to operate at a predetermined rotational speed after the air conditioner transitions to the protection process.

In some embodiments, as shown in FIG. 5, the operation of the indoor unit fan 24 is controlled to stop after the air conditioner transitions to the protection process.

In some embodiments, after the air conditioner transitions to the fifth hour of the protection phase, the air conditioner is controlled to transition to the wash state heating phase.

For example, the fifth time period is set to 3 minutes, and after 3 minutes have passed since the air conditioner transitioned to the protection process, the air conditioner is controlled to transition to the heating process in the washing state.

As shown in FIG. 6, in some embodiments of the present application, the indoor unit control unit 21 receives the cleaning command and controls the air conditioner to shift to the cleaning state, and the air conditioner receives the drying command. Then, the air conditioner is controlled to shift to the dry state according to the drying command and the operating state of the air conditioner, and the air conditioner is washed in the dry state.

S601: When the air conditioner receives the drying command, control the air conditioner to shift to the dry state according to the drying command and the operating state of the air conditioner.

A user command can be a command such as a drying command, a cleaning command, an automatic cleaning command, a start command, or a stop command, which is transmitted to the indoor unit control unit 21 via a wire controller or a remote controller as required by the user. The operating state of the air conditioner may be a standby state, cooling state, heating state, dehumidifying state, drying state, cleaning state, or other operating state.

After the air conditioner continues to operate in a cooling or dehumidifying state for a certain period of time, condensed water is generated on the surface of the indoor unit coil 23, which needs to be cleaned by a process under dry conditions.

In some embodiments, if the air conditioner transitions to the standby state after continuously operating in the cooling state or the dehumidifying state for longer than the sixth hour, and if a drying command is received before transitioning to the standby state, the air conditioner is Control to move to a dry state.

For example, the sixth cooling time is set to 20 minutes. To confirm that an air conditioner shifts to a dry state when it shifts to a standby state after continuously operating for 25 minutes in a cooling state or a dehumidifying state and receives a drying command before the air conditioner shifts to the standby state.

In some embodiments, after receiving the auto-clean command, the air conditioner transitions to a heating process each time the air conditioner transitions to a standby state after continuously operating in the cooling or dehumidifying state for more than a sixth hour. to control. The user can send an automatic cleaning command to the indoor unit controller 21 to automatically remove the condensed water on the surface of the indoor unit coil 23, thereby improving the user experience.

In some embodiments, if the air conditioner transitions to the standby state after continuously operating in the cooling state or the dehumidifying state for longer than the sixth hour, and if the drying command is received before the air conditioner transitions to the standby state, The air conditioner is controlled to shift to a dry state after a predetermined time has passed since the air conditioner shifts to the standby state. Avoid damage to the compressor due to rapid state switching.

For example, the sixth cooling time is 20 minutes and the predetermined time is 3 minutes. If the air conditioner shifts to the standby state after continuously operating for 30 minutes in the cooling or dehumidifying state, and if the drying command is received before the air conditioner shifts to the standby state, the air conditioner shifts to the standby state and shifts. After 3 minutes have passed, the air conditioner is controlled to shift to a dry state.

S602: Control the air conditioner to transition to a dry heating process.

After the air conditioner shifts to the heating process in the dry state, the outdoor unit control unit 11 controls the compressor 13 and the electronic expansion valve 14 according to the instruction of the indoor unit control unit 21 to switch to the heating state, and the indoor unit coil The temperature of 23 is increased to promote evaporation of condensed water on the surface.

In some embodiments, after the air conditioner transitions to the dry state, the indoor cleaning indicator light is controlled to light up to inform the user that the air conditioner is being cleaned.

In some embodiments, if any one of the sensors fails after the air conditioner transitions to a dry state, the indoor cleaning indicator light is controlled to flash to inform the user that the sensor has failed. .

In some embodiments, after the air conditioner transitions to the dry state, upon receiving a start command, it exits the dry state and performs start-up.

In some embodiments, upon receiving a stop command after the air conditioner transitions to the dry state, it exits the dry state and transitions to a standby state.

S603: Control the indoor unit fan to operate at a predetermined rotational speed.

In some embodiments, the indoor unit fan 24 is controlled to operate at a predetermined rotational speed after the air conditioner transitions to the third period of the dry heating process.

In some embodiments, after the air conditioner transitions to the dry heating process, the indoor unit fan 24 is controlled to operate at a predetermined rotational speed for a fourth time.

In some embodiments, the indoor unit fan 24 is controlled to continuously operate at a predetermined rotational speed after the air conditioner transitions to the dry heating process.

S604: Instruct the outdoor unit controller to stop the operation of the compressor when the air conditioner is in the dry heating process and the termination condition is met.

In some embodiments, the termination condition is that the temperature measured by the indoor unit coil temperature sensor 22 is higher than the first heating temperature and the duration is longer than the first heating time.

For example, the first heating temperature is 50 degrees Celsius and the first heating time is 30 seconds. When the temperature measured by the indoor unit coil temperature sensor 22 is over 50 degrees Celsius and the duration is over 30 seconds, the outdoor unit controller 11 is instructed to stop the operation of the compressor 13 .

In some embodiments, the termination condition is that the duration of the dry heating process is longer than the second heating time.

For example, the second heating time is 7 minutes. If the duration of the dry heating process exceeds 7 minutes, the outdoor unit controller 11 is instructed to stop the operation of the compressor 13 .

In some embodiments, the termination condition is that the temperature measured by the indoor unit coil temperature sensor 22 is higher than the first heating temperature and the duration is longer than the first heating time, or the dry heating process The duration is longer than the second heating time. The second heating time is longer than the first heating time. That is, when at least one of the two conditions is satisfied, the outdoor unit controller 11 is instructed to stop the operation of the compressor 13 .

For example, the first heating temperature is 50 degrees Celsius, the first heating time is 30 seconds, and the second heating time is 7 minutes. Of the two conditions, the temperature measured by the indoor unit coil temperature sensor 22 is greater than 50 degrees Celsius and the duration is greater than 30 seconds, or the duration of the dry heating process is greater than 7 minutes If at least one condition is satisfied, the outdoor unit controller 11 is instructed to stop the operation of the compressor 13 .

S605: Control the air conditioner to end the dry state.

The air conditioner is controlled to terminate the drying state and shift to the standby state.

In some embodiments, the interior cleaning indicator light is controlled to turn off after the air conditioner finishes drying.

As shown in FIG. 7, in some embodiments of the present application, the indoor unit control unit 21 shifts the air conditioner to the washing state in response to the washing command, and changes the air conditioner to the drying state in response to the drying command. The air conditioner is washed by controlling to shift to

S701: If the air conditioner shifts to the standby state after continuously operating in the cooling state or the dehumidifying state for a period longer than the sixth time, and if the drying command is received before the air conditioner shifts to the standby state, the air conditioner is placed in the dry state. control to shift to

S702: The air conditioner controls to shift to the heating process in the dry state.

In some embodiments, steps S7021-S7022 may be further included after controlling the air conditioner to transition to the dry state, as shown in FIG.

S7021: Control to stop the operation of the indoor unit fan.

The indoor unit control unit 21 controls the indoor unit fan 24 to stop operating, thereby avoiding the heat of the indoor unit coil 23 from being transferred into the room during the heating state and adversely affecting the user experience. .

S7022: The outdoor unit controller is instructed to control the compressor and the electronic expansion valve to switch to the heating state.

The outdoor unit control unit 11, in accordance with instructions from the indoor unit control unit 21, controls the compressor 13 and the electronic expansion valve 14 to switch to a heating state, increases the temperature of the indoor unit coil 23, and evaporates condensed water on the surface. promote

S703: When the air conditioner is in the standby state, receives the cleaning command, and the temperature measured by the outdoor environment temperature sensor is not lower than the first temperature, control the air conditioner to shift to the cleaning state.

S704: Control the air conditioner to transition to the cooling process in the washing state.

In some embodiments, as shown in FIG. 9, steps S7041-S7044 may be further included after controlling the air conditioner to transition to the cleaning state cooling process.

S7041: Control the indoor unit fan to continuously operate at a predetermined rotational speed.

S7042: Have the outdoor unit control unit control the compressor and the electronic expansion valve to switch to the cooling state, and control the frequency of the compressor and the degree of opening of the electronic expansion valve according to the temperature measured by the indoor environment temperature sensor. direct to.

The outdoor unit control unit 11 controls the compressor 13 and the electronic expansion valve 14 according to the cooling signal transmitted by the indoor unit control unit 21 to switch to the cooling state, and frosts the surface of the indoor unit coil 23 .

S7043: When the air conditioner is in the cooling process of the washing state, send the simulated temperature of the indoor unit coil temperature sensor to the outdoor unit controller.

Here, the temperature of the simulated indoor unit coil temperature sensor 22 is higher than the anti-freezing temperature.

S7044: When the air conditioner is in the cooling process of the washing state and the stop condition is met, instruct the outdoor unit controller to control the compressor to stop working.

Here, the stop condition is that the temperature measured by the indoor unit coil temperature sensor 22 is equal to or lower than the first cooling temperature and the duration is longer than the first cooling time, or the temperature measured by the indoor unit environment temperature sensor 25 is The temperature is less than or equal to the second cooling temperature and the duration is longer than the first cooling time, or the duration of the washing state cooling process is longer than the second cooling time. The second cooling time is longer than the first cooling time.

S705: Control the air conditioner to shift to the heating process in the washing state.

The outdoor unit control unit 11 controls the compressor 13 and the electronic expansion valve 14 in accordance with instructions from the indoor unit control unit 21 to switch to a heating state, raises the temperature of the indoor unit coil 23, and heats the surface of the indoor unit coil 23. defrost.

S706: Control the indoor unit fan to operate at a predetermined rotation speed after the air conditioner shifts to the third time of the heating process in the dry state or the heating process in the cleaning state.

S707: When the air conditioner is in the drying heating process or the cleaning heating process and the termination condition is satisfied, instruct the outdoor unit controller to control the compressor to stop working.

Here, the end condition is that the temperature measured by the indoor unit coil temperature sensor 22 is longer than the first heating temperature and the duration is longer than the first heating time, or the heating process in the dry state or the heating in the cleaning state The duration of the process is longer than the second heating time. The second heating time is longer than the first heating time.

S708: Control the air conditioner to end the drying or washing state.

The air conditioner is controlled to end the drying state or washing state and shift to the standby state.

Embodiments of the present invention provide a computer-readable storage medium storing one or more programs. The one or more programs include instructions that, when executed by a computer, cause the computer to perform the air conditioner cleaning methods described in FIGS. 2-3 and 6-9.

An embodiment of the present application provides a computer program product containing instructions. When the instructions are executed by the computer, it causes the computer to perform the air conditioner cleaning method described in FIGS. 2-3 and 6-9.

An embodiment of the present application is an air conditioner comprising a memory for storing a program for executing the air conditioner cleaning method described in FIGS. Provide cleaning equipment.

Since the air conditioner cleaning apparatus, the computer-readable storage medium and the computer program product in the embodiments of the present invention can be applied to the above air conditioner cleaning method, the technical effects that can be achieved are also Since it can be understood by referring to an example, the description thereof is omitted here.

In various embodiments of the present invention, the magnitude of the sequence number of each process described above does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic. It should be understood that no limitation is intended to the manner in which embodiments of the present invention may be implemented.

Those skilled in the art will appreciate that each exemplary element and algorithmic step described in the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. deaf. Whether these functions are performed in hardware or software depends on the particular application of the technical solution and the regulatory requirements of the design. Persons skilled in the art may use different methods to implement the described functionality for each specific application, but such implementation should not be considered as departing from the scope of protection of the present application.

As can be clearly understood by those skilled in the art, for convenience and brevity of explanation, the specific working steps of the above systems, devices and means can be referred to the corresponding steps in the above method embodiments. Well, we omit the explanation here.

With respect to some embodiments of the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways as well. For example, the embodiments of the apparatus described above are only schematic, and as an example, the division of the means is only the division of logical functions, and when actually implemented, another division method may be used. There may be, for example, a plurality of means or elements may be combined or integrated into another system, or some features may be omitted or not implemented. In other respects, the mutual couplings or direct couplings or communication connections indicated or discussed may be realized through several connection ports, and the indirect couplings or communication connections of facilities or means may be , mechanical or other forms.

The means described as the separating member may or may not be physically separated, and the members shown as means may be physical means. However, it need not be a physical means, i.e. it may be located in one place, or it may be distributed over a plurality of network means. The purpose of the scheme of the present embodiment can be achieved by selecting some or all of the means according to actual needs.

It should be noted that each functional means in each embodiment of the present invention may be integrated into one processing means, or each means may exist physically separately, or two or more means may be may be integrated into one means.

The embodiments described above may be implemented in whole or in part in software, hardware, firmware, or any combination thereof. When implemented by a software program, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are uploaded and executed in a computer, all or part of the processes or functions described in the embodiments of this application are generated. The computer may be a general purpose computer, special purpose computer, computer network, or other programmable device. The computer instructions may be stored on a computer readable storage medium or may be transferred from one computer readable storage medium to another computer readable storage medium, e.g. , from a website, computer, server, or data center, by wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, radio, microwave, etc.) It can be transmitted to another website, computer, server, or data center. The computer-readable storage medium can be any available medium that can be accessed by a computer or data storage device including servers, data centers, etc. that can be integrated by one or more media. good. The usable medium can be magnetic media (e.g., floppy disk, hard disk, magnetic tape), optical media (e.g., DVD), or semiconductor media (e.g., Solid State Disk (SSD)), etc. .

What has been described above are only specific embodiments of the present application, and the protection scope of the present application is not limited thereto. Any variation or replacement that can be easily conceived by a person skilled in the art without departing from the scope of the present invention shall fall within the protection scope of the present application. Therefore, the scope of protection of the present application shall be governed by the scope of rights described in the claims.

10 outdoor unit 11 outdoor unit control unit 12 outdoor environment temperature sensor 13 compressor 14 electronic expansion valve 15 outdoor unit fan 16 outdoor unit coil 20 indoor unit 21 indoor unit control unit 22 indoor environment temperature sensor 23 indoor unit coil 24 indoor unit fan 25 Indoor unit temperature sensor

Claims (18)

An air conditioner cleaning method comprising:
The air conditioner includes an outdoor unit and an indoor unit,
The indoor unit includes at least an indoor unit control unit, an indoor unit fan , an indoor unit coil , and an indoor environment temperature sensor ,
In the air conditioner cleaning method, wherein the outdoor unit includes at least an outdoor unit control section, an outdoor unit fan, a compressor, and an outdoor unit coil,
Including a case where the cleaning method is executed in accordance with a drying command received by the air conditioner and a case where the cleaning method is executed in accordance with the cleaning command received by the air conditioner,
When executing the cleaning method according to the drying command received by the air conditioner,
when the air conditioner receives a dry command, controlling the air conditioner to transition to a dry state according to the dry command and the operating state of the air conditioner;
controlling the air conditioner to transition to the heating process in the dry state;
controlling the indoor unit fan to operate at a predetermined rotational speed after the air conditioner transitions to the dry heating process;
When executing the cleaning method according to the cleaning command received by the air conditioner,
when the air conditioner receives a cleaning command, controlling the air conditioner to shift to a cleaning state, and controlling the indoor unit baffle plate to face upward or close;
controlling the air conditioner to transition to the cooling process of the washing state;
After the air conditioner shifts to the cooling process of the washing state, the outdoor unit control unit is instructed to control the frequency of the compressor according to the temperature measured by the indoor environment temperature sensor, and the indoor When the temperature measured by the environment temperature sensor is equal to or higher than the second temperature, the outdoor unit controller does not adjust the frequency of the compressor, and the temperature measured by the indoor environment temperature sensor is lower than the second temperature. In the case, the outdoor unit control unit reduces the frequency of the compressor,
After the air conditioner finishes the cooling process in the cleaning state, the air conditioner is controlled to shift to the heating process in the cleaning state;
controlling the indoor unit fan to operate at a predetermined rotational speed after the air conditioner transitions to the washing state heating process;
An air conditioner cleaning method characterized by: Controlling the air conditioner to transition to a dry state according to the drying command and the operating state of the air conditioner when the air conditioner receives the drying command,
When the air conditioner shifts to a standby state after continuously operating in a cooling state or a dehumidifying state for a period longer than the sixth hour, and when the air conditioner receives the drying command before shifting to the standby state, the air conditioner 2. The air conditioner washing method according to claim 1, further comprising a step of controlling the transition to the dry state. The outdoor unit further has an outdoor environment temperature sensor,
Controlling the air conditioner to shift to the washing state when the air conditioner receives the washing command,
When the air conditioner is in a standby state, receives the cleaning command, and the temperature measured by the outdoor environment temperature sensor is not lower than a first temperature, the air conditioner is controlled to shift to the cleaning state. step or
controlling the air conditioner to transition to the washing state when the air conditioner is in the standby state; or
controlling the air conditioner to transition to the cleaning state when the air conditioner receives the cleaning command and the temperature measured by the outdoor environment temperature sensor is not lower than a first temperature;
The air conditioner cleaning method according to claim 1, characterized in that: controlling the indoor unit fan to operate at a predetermined rotation speed after the air conditioner transitions to the cleaning state cooling process; or after the air conditioner finishes the cleaning state cooling process, the indoor further comprising controlling the machine fan to operate at a predetermined rotational speed;
The air conditioner cleaning method according to claim 1, characterized by: After the air conditioner shifts to the cooling process in the washing state, the indoor unit fan is controlled to operate at a predetermined rotational speed, and a first time elapses after the air conditioner shifts to the cooling process in the washing state. After that, the step of controlling the indoor unit fan to operate at a predetermined rotational speed;
Alternatively, a step of controlling the indoor unit fan to operate at a predetermined rotational speed for a second time after the air conditioner transitions to the cooling process in the washing state;
or further comprising controlling the indoor unit fan to continuously operate at a predetermined rotational speed after the air conditioner transitions to the cooling process in the washing state;
The air conditioner cleaning method according to claim 4, characterized in that: The indoor unit further comprises an indoor unit coil temperature sensor, and the cleaning method operates by controlling the compressor when the air conditioner is in the cooling process of the cleaning state and a stop condition is met. further comprising the step of stopping
The stopping condition is
The temperature measured by the indoor unit coil temperature sensor is equal to or lower than the first cooling temperature and the duration is longer than the first cooling time, or
The temperature measured by the indoor environment temperature sensor is equal to or lower than the second cooling temperature and the duration is longer than the first cooling time, or
2. The method according to claim 1, wherein the duration of the cooling process in the washing state is longer than a second cooling time, and at least one of the second cooling time is longer than the first cooling time. The described method for cleaning an air conditioner. further comprising controlling the indoor unit fan to operate at a predetermined rotational speed after the air conditioner transitions to the washing state heating process;
The air conditioner cleaning method according to claim 1, characterized in that: Controlling the indoor unit fan to operate at a predetermined rotation speed after the air conditioner transitions to the heating process in the cleaning state,
a step of controlling the indoor unit fan to operate at a predetermined rotational speed after a third time has elapsed since the air conditioner transitioned to the heating process in the cleaning state; or
a step of controlling the indoor unit fan to operate at a predetermined rotational speed for a fourth time period after the air conditioner transitions to the washing state heating process; or
A step of controlling the indoor unit fan to continuously operate at a predetermined rotational speed after the air conditioner transitions to the heating process in the cleaning state;
The air conditioner cleaning method according to claim 7 , characterized in that: The indoor unit further has an indoor unit coil temperature sensor, and the cleaning method includes:
further comprising controlling the compressor to stop operating when the air conditioner is in the washing state heating process and a termination condition is satisfied;
The termination condition is
The temperature measured by the indoor unit coil temperature sensor is higher than the first heating temperature and the duration is longer than the first heating time, or
2. The method of claim 1, wherein the duration of the washing state heating process is longer than a second heating time, and the second heating time is at least one longer than the first heating time. Air conditioner cleaning method. further comprising transmitting a simulated temperature of an indoor unit coil temperature sensor to the outdoor unit controller when the air conditioner is in the cooling process of the washing state;
2. The air conditioner cleaning method according to claim 1, wherein the temperature of the simulated indoor unit coil temperature sensor is higher than the anti-freezing temperature. 2. The air conditioner cleaning method according to claim 1, further comprising the step of controlling said air conditioner to transition to a protection process before said air conditioner transitions to said washing state heating process. After shifting the air conditioner to the protection process, the cleaning method includes:
controlling the indoor unit fan to operate at a predetermined rotation speed after the air conditioner shifts to the protection process; or stopping the operation of the indoor unit fan after the air conditioner shifts to the protection process. further comprising the step of controlling to
12. The air conditioner according to claim 11 , wherein the air conditioner is controlled to shift to the heating process in the cleaning state after a fifth time has passed since the air conditioner shifted to the protection process. cleaning method. 3. The air conditioner according to claim 1, further comprising controlling the indoor unit fan to operate at a predetermined rotation speed after the air conditioner transitions to the heating process of the dry state. cleaning method. Controlling the indoor unit fan to operate at a predetermined rotation speed after the air conditioner transitions to the heating process in the dry state,
a step of controlling the indoor unit fan to operate at a predetermined rotational speed after a third time has elapsed since the air conditioner transitioned to the heating process in the dry state; or
a step of controlling the indoor unit fan to operate at a predetermined rotational speed for a fourth time period after the air conditioner transitions to the dry heating process; or
14. The air conditioner cleaning method of claim 13 , further comprising controlling the indoor unit fan to continuously operate at a predetermined rotation speed after the air conditioner transitions to the dry heating process. . The indoor unit further includes an indoor unit coil temperature sensor,
The air conditioner cleaning method includes:
further comprising controlling the compressor to stop operating when the air conditioner is in the dry heating process and a termination condition is met;
The termination condition is
The temperature measured by the indoor unit coil temperature sensor is higher than the first heating temperature and the duration is longer than the first heating time, or
Claim 1-2, characterized in that the duration of the dry heating process is longer than the second heating time, and at least one of the second heating time is longer than the first heating time. The air conditioner cleaning method according to any one of 13-14 . The air conditioner includes an outdoor unit and an indoor unit,
The indoor unit includes at least an indoor unit control unit, an indoor unit fan, and an indoor unit coil,
The outdoor unit includes at least an outdoor unit control unit, an outdoor unit fan, a compressor, and an outdoor unit coil,
An air conditioner, wherein the indoor unit control unit is used for executing the air conditioner cleaning method according to any one of claims 1 to 15 . A computer-readable storage medium storing one or more programs, wherein the one or more programs, when executed by a computer, cause the air conditioning according to any one of claims 1 to 15 to the computer. A computer readable storage medium storing one or more programs comprising instructions for performing a machine wash method. An air conditioner comprising a memory for storing a program for executing the air conditioner cleaning method according to any one of claims 1 to 15 , and a processor for calling the program stored in the memory. machine washing equipment.

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