CN-116066996-B - Electric cabinet assembly, air conditioner, control method and control device of air conditioner

CN116066996BCN 116066996 BCN116066996 BCN 116066996BCN-116066996-B

Abstract

The application relates to the technical field of intelligent household appliances, and discloses an electric cabinet assembly, an air conditioner, a control method and a control device of the air conditioner. The electric cabinet assembly comprises a first cabinet body, a cooling flow path, a fire extinguishing flow path and a control circuit, wherein the first cabinet body comprises a containing cavity for placing electric devices, the cooling flow path is arranged on the first cabinet body and used for cooling the containing cavity, the fire extinguishing flow path is communicated with the cooling flow path and comprises a spraying part, the spraying part is positioned in the containing cavity, and the control circuit is used for controlling the running states of the cooling flow path and the fire extinguishing flow path. The electric cabinet assembly that this disclosure provided through setting up the cooling flow path that is used for cooling to the electrical components in the electric cabinet to and the fire extinguishing flow path that is linked together with the cooling flow path, realizes adjusting the temperature in the electric cabinet, in order to satisfy the temperature demand of electrical components steady operation. And moreover, under the condition that a fire disaster occurs in the electric cabinet, fire extinguishing operation can be timely performed, and the safety and reliability in the use process are greatly improved.

Inventors

MA ZHENHAO
JING TAO
CAI ZEYAO

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
海尔智家股份有限公司

Dates

Publication Date: 20260512
Application Date: 20230213

Claims (5)

1. An electric cabinet assembly, comprising: the first box body comprises a containing cavity for placing the electric device; The cooling flow path comprises a cooling pipeline and a three-position four-way valve, wherein the cooling pipeline is arranged in the first box and used for cooling the accommodating cavity, the cooling pipeline comprises a first control end and a second control end which are positioned at the outer side of the first box, the three-position four-way valve comprises a first interface, a second interface, a third interface and a fourth interface, the first interface and the second interface are respectively connected with the first control end and the second control end, the third interface and the fourth interface are respectively communicated with the two ends of the cooling pipeline, so that the inlet and the outlet of the cooling pipeline are fixedly arranged, and electric devices in the first box are distributed along the flow direction of heat exchange media in the cooling pipeline from high to low in heating value; The fire extinguishing flow path is communicated with the cooling flow path and comprises a spraying part, a fire extinguishing pipeline and a valve body, wherein the spraying part is positioned in the accommodating cavity; the control circuit is used for controlling the running states of the cooling flow path and the fire extinguishing flow path according to the temperature in the accommodating cavity, is connected with the three-position four-way valve and is used for controlling the working position of the three-position four-way valve; the second box body and the first box body are mutually independent, and the control circuit is arranged in the second box body.
2. An electric cabinet assembly according to claim 1, wherein, The number of the fire extinguishing flow paths is multiple, and the two ends of the cooling flow paths are respectively provided with the fire extinguishing flow paths.
3. An air conditioner, comprising: The refrigerating system comprises a compressor, a four-way reversing valve, an outdoor heat exchanger, a throttling element and an indoor heat exchanger which are sequentially connected to form a refrigerant flow path, and An electric cabinet assembly according to claim 1 or 2, wherein the cooling flow path is provided in parallel with the throttle member; Wherein, the control circuit is used for controlling the running state of cooling flow path and fire extinguishing flow path according to the temperature in the holding cavity.
4. A control method of an air conditioner is characterized in that the control method is used for the air conditioner according to claim 3, wherein a first control end is communicated with a refrigerant flow path between an outdoor heat exchanger and a throttling element, a second control end is communicated with a refrigerant flow path between the throttling element and an indoor heat exchanger, a three-position four-way valve comprises a first station, a static station and a second station, the first station is communicated with a fourth interface corresponding to the first interface, the second interface is communicated with a third interface, the second station is communicated with the third interface corresponding to the first interface, the second interface is communicated with the fourth interface, a cooling pipeline is in an open circuit state when the three-position four-way valve is positioned at the static station, and the control method comprises the following steps: Acquiring the temperature in the accommodating cavity; controlling the cooling flow path and the fire extinguishing flow path to be conducted under the condition that the temperature is greater than or equal to a first threshold value; when the temperature is smaller than the first threshold value and larger than or equal to the second threshold value, the cooling flow path is controlled to be conducted, and the fire extinguishing flow path is controlled to be in a closed state; Wherein, the Under the condition that the air conditioner operates in a refrigeration mode, the step of controlling the conduction control of the cooling flow path and the fire extinguishing flow path comprises the steps of controlling the conduction of a first control end, closing a second control end, and controlling the opening of a valve body of the fire extinguishing flow path; Under the condition that the air conditioner operates in a heating mode, the step of controlling the conduction control of the cooling flow path and the fire extinguishing flow path comprises the steps of controlling the first control end to be closed, controlling the second control end to be opened and controlling the valve body of the fire extinguishing flow path to be opened, and controlling the three-position four-way valve to be switched to the first station.
5. A control device of an air conditioner comprising a processor and a memory storing program instructions, wherein the processor is configured to execute the control method of an air conditioner according to claim 4 when executing the program instructions.

Description

Electric cabinet assembly, air conditioner, control method and control device of air conditioner Technical Field The application relates to the technical field of intelligent household appliances, in particular to an electric cabinet assembly, an air conditioner, a control method and a control device thereof. Background The electric cabinet is used as a core component of the equipment, and a plurality of electric elements are arranged inside the electric cabinet. During the running process of the equipment, the electrical components can generate heat, and the electrical components can be damaged even fire due to the overheat of the inner temperature of the electric cabinet. In the related art, a refrigerant pipeline is arranged in an electric cabinet. The temperature in the electric cabinet is adjusted through the flowing of the refrigerant, so that the running stability of electric devices in the electric cabinet is improved. The electric cabinet adopting the cooling mode of the embodiment has the following problems: in the electric cabinet in the related art, when the electric components in the electric cabinet are damaged or aged and the like, an arc discharge phenomenon occurs, the electric cabinet can generate a fire condition, and great potential safety hazards still exist. It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art. Disclosure of Invention The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows. According to the electric cabinet assembly, the air conditioner, the control method and the control device thereof, fire can be extinguished by the electric cabinet under the condition of fire, and the use safety is improved. In some embodiments, the electric cabinet assembly comprises a first cabinet body, a cooling flow path, a fire extinguishing flow path and a control circuit, wherein the first cabinet body comprises a containing cavity used for containing electric devices, the cooling flow path is arranged on the first cabinet body and used for cooling the containing cavity, the fire extinguishing flow path is communicated with the cooling flow path and comprises a spraying part, the spraying part is positioned in the containing cavity, and the control circuit is used for controlling the operation states of the cooling flow path and the fire extinguishing flow path. In some embodiments, an air conditioner is provided, which comprises a refrigeration system, wherein the refrigeration system comprises a compressor, a four-way reversing valve, an outdoor heat exchanger, a throttling element and an indoor heat exchanger which are sequentially connected to form a refrigerant flow path, and the electric cabinet assembly according to any one of the previous embodiments, wherein the cooling flow path is arranged in parallel with the throttling element, and the control circuit is used for controlling the operation states of the cooling flow path and the fire extinguishing flow path according to the temperature in the accommodating cavity. In some embodiments, a control method of an air conditioner is provided, which is used for the air conditioner in any of the foregoing embodiments, and includes obtaining a temperature in the accommodating cavity, controlling the cooling flow path and the fire extinguishing flow path to be conducted when the temperature is greater than or equal to a first threshold value, and controlling the cooling flow path to be conducted when the temperature is less than the first threshold value and greater than or equal to a second threshold value, and controlling the fire extinguishing flow path to be in a closed state. In some embodiments, there is provided a control device of an air conditioner, including a processor and a memory storing program instructions, the processor being configured to execute the control method of the air conditioner according to any one of the preceding embodiments when executing the program instructions. The electric cabinet assembly, the air conditioner, the control method and the control device provided by the embodiment of the disclosure can realize the following technical effects: the electric cabinet assembly comprises a first cabinet body, a cooling flow path, a fire extinguishing flow path and a control circuit. The first housing includes a receiving cavity for mounting an electrical device. The cooling flow path is used for cooling the electric device in the first box body, so that the temperature in the accommodating cavity is