CN-119554738-B - Mobile air conditioner and control method thereof

CN119554738BCN 119554738 BCN119554738 BCN 119554738BCN-119554738-B

Abstract

The invention relates to the technical field of air treatment equipment, in particular to a mobile air conditioner and a control method thereof. The invention provides a control method of a mobile air conditioner, which comprises a condenser, a water disc, a water pumping device and a water pumping device, wherein the water pumping device is used for pumping water in the water disc to the condenser, and the water pumping device is connected with the water disc. The control method of the mobile air conditioner comprises the steps of obtaining the liquid level in the water tray, and determining the operation states of the water pumping device and the water pumping device according to the liquid level and/or the operation mode of the mobile air conditioner and/or the operation state of the compressor. The invention provides a set of drainage control logic which can be suitable for a fixed-frequency mobile air conditioner heat pump model, has compatibility and can simultaneously consider a refrigerating mode and a heating mode. Therefore, compared with the prior art, the invention solves the problem of complex drainage control logic of the existing mobile air conditioner.

Inventors

HUANG ZIXUAN
WANG JIANING

Assignees

青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
青岛海尔智能技术研发有限公司
海尔智家股份有限公司

Dates

Publication Date: 20260508
Application Date: 20230904

Claims (9)

1. A control method of a mobile air conditioner comprises a condenser, a water tray, a water pumping device and a water pumping device, wherein the water pumping device is used for pumping water in the water tray onto the condenser, the water pumping device is connected with the water tray, The control method comprises the following steps: acquiring the liquid level in the water tray; determining the operation states of the water pumping device and the water pumping device according to the liquid level and/or the operation mode of the movable air conditioner and/or the operation state of the compressor; the said operation state of the said pumping device and said pumping device according to the operation mode of the said movable air conditioner and/or operation state of the compressor of liquid level, comprising: Responding to the running mode of the movable air conditioner not being an air supply mode and a heating mode, and responding to the liquid level being positioned in a third position interval, closing the water pumping device, and opening or closing the water pumping device according to the running state of the compressor; Responding to the running mode of the movable air conditioner not being an air supply mode and a heating mode and responding to the liquid level being positioned in a second position interval, starting the water pumping device and the water pumping device, and controlling the running speed of the water pumping device according to the running state of a compressor; responding to the running mode of the movable air conditioner to be an air supply mode and a heating mode, and responding to the liquid level being positioned in a second position interval, opening the water pumping device and closing the water pumping device; responding to the liquid level in a first position interval, starting the water pumping device, and closing the water pumping device; The first location interval is higher than the second location interval, and the second location interval is higher than the third location interval.
2. The control method according to claim 1, wherein, The movable air conditioner further comprises a liquid level detection device, wherein the lowest water contact position of the water pumping device is lower than that of the liquid level detection device; the liquid level detection device includes: A float arranged in the water tray; the two Hall sensors are arranged at two different heights and are used for outputting corresponding voltage signals according to the position change of the floater so as to divide the liquid level into a first position interval, a second position interval and a third position interval from high to low in sequence; And according to the liquid level, the liquid level is in accordance with the first position interval, the second position interval and the third position interval.
3. The control method according to claim 1, wherein said determining the operation states of the pumping device and the water pumping device according to the liquid level and/or the operation mode of the mobile air conditioner and/or the operation state of the compressor comprises: And closing the water pumping device in response to the running mode of the mobile air conditioner being an air supply mode or a heating mode.
4. The control method according to claim 1, wherein, in a case where the mode in response to the operation of the mobile air conditioner is not the air supply mode and the heating mode, and in response to the liquid level being located in the third position interval, the water pumping device is turned off, and the water pumping device is turned on or off in accordance with an operation state of the compressor, wherein: Responding to the starting state of the compressor, opening the water pumping device and executing a first preset rotating speed; and closing the water pumping device in response to the compressor being in a closed state.
5. The control method according to claim 4, wherein, in a case where the mode in response to the operation of the mobile air conditioner is not the air supply mode and the heating mode and in response to the liquid level being located in the second position section, the water pumping device and the water pumping device are turned on, and the operation speed of the water pumping device is controlled in accordance with the operation state of the compressor, wherein: Controlling the water pumping device to execute a second preset rotating speed in response to the compressor being in an on state; Controlling the water pumping device to execute a third preset rotating speed in response to the compressor being in a closed state; the second preset rotational speed is greater than the third preset rotational speed.
6. The control method according to claim 5, wherein, The first preset rotating speed is smaller than the second preset rotating speed; The first preset rotating speed is smaller than or equal to the third preset rotating speed.
7. The control method according to claim 1, characterized by further comprising: And responding to the situation that the liquid level is located in a second position interval and the water pumping device is started, starting timing, and after the operation time length of the water pumping device reaches a first preset time, if the liquid level is still located in the second position interval, closing the water pumping device and sending out a drainage fault prompt after the operation time length of the water pumping device reaches a second preset time, wherein the second preset time is longer than the first preset time.
8. The control method according to claim 1, characterized by further comprising: and responding to the situation that the liquid level is positioned in a first position interval and the water pumping device is started, starting timing, and closing the water pumping device and giving out a drainage fault prompt if the liquid level is not reduced to the third position interval after the running time of the water pumping device reaches a third preset time, or opening a drainage valve arranged at the lower part of the water tray until the liquid level is reduced to the third position interval, and closing the drainage valve.
9. A mobile air conditioner, characterized by comprising a controller, the controller comprising a memory and a processor, the memory storing a control program, the control program when executed by the processor being for implementing the control method of the mobile air conditioner according to any one of claims 1 to 8.

Description

Mobile air conditioner and control method thereof Technical Field The invention relates to the technical field of air treatment equipment, in particular to a mobile air conditioner and a control method thereof. Background At present, a mobile air conditioner generally adopts a water pumping motor to drain condensed water. However, the water pumping scheme of the water pumping motor has the defects that the water pumping motor is only used for draining water and cannot solve the problem of excessive condensed water, once the condensed water quantity exceeds a certain threshold value, the water pumping motor can only be used for stopping and reporting faults, the water pumping motor can only be used in a refrigerating mode and cannot be used in a heating mode, and for a mobile air conditioner with a heat pump, the operation of a refrigerant is reverse to the refrigerating in the heating mode, the condenser is changed into a condenser, and the water pumping motor is ineffective to drain water by means of a water pump. Therefore, the existing fixed frequency mobile air conditioner heat pump model has two sets of drainage control logic for the cooling mode and the heating mode respectively, thereby complicating the control logic of the mobile air conditioner. Disclosure of Invention In view of the above problems, the present invention has been made to provide a mobile air conditioner and a control method thereof that overcome or at least partially solve the above problems, and aims to solve the problem of complex drainage control logic of the existing mobile air conditioner, so as to achieve the purpose of simplifying control logic and simultaneously being compatible with cooling and heating modes. On one hand, the invention provides a control method of a mobile air conditioner, which comprises a condenser, a water tray, a water pumping device and a water pumping device, wherein the water pumping device is used for pumping water in the water tray to the condenser, and the water pumping device is connected with the water tray, The control method comprises the following steps: acquiring the liquid level in the water tray; And determining the operation states of the water pumping device and the water pumping device according to the liquid level and/or the operation mode of the movable air conditioner and/or the operation state of the compressor. Optionally, the mobile air conditioner further comprises a liquid level detection device, wherein the lowest water contact position of the water pumping device is lower than that of the liquid level detection device; the liquid level detection device includes: A float arranged in the water tray; the two Hall sensors are arranged at two different heights and are used for outputting corresponding voltage signals according to the position change of the floater so as to divide the liquid level into a first position interval, a second position interval and a third position interval from high to low in sequence; And according to the liquid level, the liquid level is in accordance with the first position interval, the second position interval and the third position interval. Optionally, the determining the operation states of the pumping device and the water pumping device according to the liquid level and/or the operation mode of the mobile air conditioner and/or the operation state of the compressor includes: And closing the water pumping device in response to the running mode of the mobile air conditioner being an air supply mode or a heating mode. Optionally, the determining the operation states of the pumping device and the water pumping device according to the liquid level and/or the operation mode of the mobile air conditioner and/or the operation state of the compressor includes: Responding to the running mode of the movable air conditioner not being an air supply mode and a heating mode, and responding to the liquid level being positioned in a third position interval, closing the water pumping device, and opening or closing the water pumping device according to the running state of the compressor; Responding to the running mode of the movable air conditioner not being an air supply mode and a heating mode and responding to the liquid level being positioned in a second position interval, starting the water pumping device and the water pumping device, and controlling the running speed of the water pumping device according to the running state of a compressor; responding to the running mode of the movable air conditioner to be an air supply mode and a heating mode, and responding to the liquid level being positioned in a second position interval, opening the water pumping device and closing the water pumping device; responding to the liquid level in a first position interval, starting the water pumping device, and closing the water pumping device; The first location interval is higher than the second location interval, and the second location interval is higher than the thir