CN-121993868-A - Control method, control device, air conditioner indoor unit, air conditioner and storage medium

Abstract

The invention discloses a control method, a control device, an air conditioner indoor unit, an air conditioner and a storage medium. The indoor unit of the air conditioner comprises a first control valve, an indoor heat exchanger, an indoor fan, a second control valve, a first refrigerant connector and a second refrigerant connector, wherein the indoor heat exchanger is connected with the first refrigerant connector through the first control valve and the second refrigerant connector through the second control valve, the first refrigerant connector is used for being connected with an outdoor unit of the air conditioner, the second refrigerant connector is used for being connected with a four-way valve, the control method comprises the steps of controlling the indoor fan to operate, controlling the first control valve and the second control valve to be conducted under the condition that the indoor unit of the air conditioner is started, and controlling the first control valve and the second control valve to be disconnected according to a shutdown instruction. In the control method, the refrigerant sensor is omitted so as to reduce the cost, and meanwhile, the safety risk caused by the too high concentration of the indoor leaked refrigerant is avoided to a certain extent.

Inventors

• JIN WENRUI
• PAN ZHONGYU
• LUO HONGJIE
• WU KONGXIANG
• MO YIYANG

Assignees

• 广东美的暖通设备有限公司
• 美的集团股份有限公司

Dates

Publication Date

20260508

Application Date

20241105

Claims (11)

1. 1. The control method of the air conditioner indoor unit is characterized in that the air conditioner indoor unit comprises a first control valve, an indoor heat exchanger, an indoor fan, a second control valve, a first refrigerant connector and a second refrigerant connector, wherein the indoor heat exchanger is connected with the first refrigerant connector through the first control valve and the second refrigerant connector through the second control valve, the first refrigerant connector is used for being connected with an outdoor heat exchanger, and the second refrigerant connector is used for being connected with a four-way valve; The control method comprises the following steps: when the indoor unit of the air conditioner is started, controlling the indoor fan to run, and switching on the first control valve and the second control valve; and controlling the first control valve and the second control valve to be disconnected according to a shutdown instruction.
2. 2. The control method according to claim 1, wherein the first control valve includes a throttle member and a first on-off valve, the second control valve includes a second on-off valve, the first on-off valve is controlled to be opened to open the first control valve, and the second on-off valve is controlled to be opened to open the second control valve.
3. 3. The control method according to claim 1, wherein controlling the first control valve and the second control valve to be disconnected according to a shutdown instruction includes: And according to a shutdown instruction, the first control valve and the second control valve are controlled to be kept on for a preset time period and then disconnected.
4. 4. The control method according to claim 1, wherein controlling the first control valve and the second control valve to be disconnected according to a shutdown instruction includes: And controlling the indoor fan to be turned off after keeping running for a preset time according to the shutdown instruction.
5. 5. The control method according to claim 3 or 4, characterized in that the preset time period is longer than or equal to a pressure balance minimum time period.
6. 6. The control method according to claim 3 or 4, characterized in that the preset time period is longer than 0 seconds and less than or equal to 120 seconds.
7. 7. A control method according to claim 1, characterized in that the first control valve is arranged close to the indoor heat exchanger and/or the second control valve is arranged close to the indoor heat exchanger.
8. 8. A control apparatus, characterized by comprising: A processor, and; a memory storing a computer program which, when executed by the processor, implements the steps of the control method of any one of claims 1-7.
9. 9. An indoor unit of an air conditioner, comprising the control device according to claim 8.
10. 10. An air conditioner comprising the air conditioner indoor unit of claim 9.
11. 11. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the control method according to any one of claims 1-7.

Description

Control method, control device, air conditioner indoor unit, air conditioner and storage medium Technical Field The present invention relates to the field of air conditioning technologies, and in particular, to a control method, a control device, an air conditioning indoor unit, an air conditioner, and a computer storage medium. Background In the related art, an air conditioner is provided with a combustible refrigerant. Generally, the indoor unit of the air conditioner is provided with a refrigerant sensor so as to ensure that when the refrigerant leaks, an indoor fan can be timely found and started to avoid accumulation of the refrigerant beyond the combustible concentration. However, the installation of the refrigerant sensor and the corresponding hardware in the air conditioner indoor unit is expensive, which results in a relatively high cost of the system. Disclosure of Invention The embodiment of the invention provides a control method, a control device, an air conditioner indoor unit, an air conditioner and a computer storage medium. To solve at least one technical problem as described above. The embodiment of the invention provides a control method of an air conditioner indoor unit. The indoor unit of the air conditioner comprises a first control valve, an indoor heat exchanger, an indoor fan, a second control valve, a first refrigerant connector and a second refrigerant connector, wherein the indoor heat exchanger is connected with the first refrigerant connector through the first control valve and the second refrigerant connector through the second control valve, the first refrigerant connector is used for being connected with an outdoor heat exchanger, and the second refrigerant connector is used for being connected with a four-way valve; The control method comprises the following steps: when the indoor unit of the air conditioner is started, controlling the indoor fan to run, and switching on the first control valve and the second control valve; and controlling the first control valve and the second control valve to be disconnected according to a shutdown instruction. In some embodiments, the first control valve comprises a throttle component and a first on-off valve, the second control valve comprises a second on-off valve, the first on-off valve is controlled to be disconnected to disconnect the first control valve, and the second on-off valve is controlled to be disconnected to disconnect the second control valve. In some embodiments, controlling the first control valve and the second control valve to open according to a shutdown command includes: And according to a shutdown instruction, the first control valve and the second control valve are controlled to be kept on for a preset time period and then disconnected. In some embodiments, controlling the first control valve and the second control valve to open according to a shutdown command includes: And controlling the indoor fan to be turned off after keeping running for a preset time according to the shutdown instruction. In certain embodiments, the preset time period is greater than or equal to a minimum time period for pressure equalization. In certain embodiments, the preset time period is greater than 0 seconds and less than or equal to 120 seconds. In certain embodiments, the first control valve is disposed proximate to the indoor heat exchanger and/or the second control valve is disposed proximate to the indoor heat exchanger. A control device according to an embodiment of the present invention includes: A processor, and; And a memory storing a computer program that, when executed by the processor, performs the steps of the control method according to any one of the above embodiments. In the control device, the memory can store a computer program for realizing the control method, so that the processor executes the steps of the control method according to the computer program, thereby omitting the refrigerant sensor to reduce the cost and avoiding the safety risk caused by the over high concentration of the indoor leaked refrigerant to a certain extent. An air conditioner indoor unit according to an embodiment of the present invention includes the control device according to the above embodiment. In the air conditioner indoor unit, the control device controls the air conditioner indoor unit to operate, so that the air conditioner indoor unit can realize the control method, and therefore the safety risk caused by the fact that the concentration of the indoor leaked refrigerant is too high can be avoided to a certain extent while the refrigerant sensor is omitted to reduce the cost. An air conditioner according to an embodiment of the present invention includes the air conditioner indoor unit according to the above embodiment. In the air conditioner, the air conditioner comprises the air conditioner indoor unit, so that the air conditioner realizes the control method, and the safety risk caused by the over-high concentration of the indoor