CN-119413375-B - Liquid leakage detection method and device for liquid cooling equipment, computer equipment and storage medium

Abstract

The application relates to a liquid leakage detection method and device for liquid cooling equipment, computer equipment and a storage medium. The method comprises the steps of responding to the existence of liquid leakage in the heat exchange structure, calculating and obtaining a pressure calculation value of the liquid leakage in the liquid receiving structure by using a pressure signal value of a pressure sensor of the liquid receiving structure, wherein the pressure calculation value is smaller than or equal to a first threshold value, the speed of conveying cooling liquid into the heat exchange structure is controlled to be unchanged, the pressure calculation value is larger than a second threshold value, the conveying of the cooling liquid into the heat exchange structure is stopped, and the speed of conveying the cooling liquid into the heat exchange structure is controlled to be inversely related to the pressure calculation value. According to the application, the speed of conveying the cooling liquid into the heat exchange structure is controlled according to the pressure calculated value, the shutdown of the server is not directly controlled, the shutdown of the server is avoided when micro leakage exists, and the normal operation of the server is kept when the micro leakage exists in the liquid cooling system.

Inventors

• WANG DAWEI

Assignees

• 苏州元脑智能科技有限公司

Dates

Publication Date

20260508

Application Date

20241122

Claims (9)

1. 1. The liquid cooling equipment leakage detection method is characterized by comprising the following steps of: responding to the starting of the liquid cooling equipment, and detecting whether liquid leakage exists in the heat exchange structure through a liquid leakage sensor of the heat exchange structure; Responding to the existence of liquid leakage of the heat exchange structure, and detecting whether liquid leakage exists in the liquid receiving structure or not through a pressure sensor of the liquid receiving structure positioned below the heat exchange structure; Responding to the existence of liquid leakage in the liquid receiving structure, and calculating and acquiring a pressure calculation value of the liquid leakage in the liquid receiving structure by utilizing a pressure signal value of a pressure sensor of the liquid receiving structure; Controlling the speed of conveying the cooling liquid into the heat exchange structure to be unchanged in response to the calculated pressure value being smaller than or equal to a first threshold value; Stopping the delivery of cooling fluid into the heat exchange structure in response to the calculated pressure value being greater than a second threshold value; Controlling the speed of conveying the cooling liquid into the heat exchange structure to be inversely related to the pressure calculated value in response to the pressure calculated value being greater than a first threshold value and less than or equal to a second threshold value; the step of calculating and obtaining the pressure calculation value of the liquid leakage in the liquid receiving structure by using the pressure signal value of the pressure sensor of the liquid receiving structure comprises the following steps of: reading the pressure signal value of the pressure sensor in the liquid receiving structure, and setting the pressure signal value of the ith pressure sensor Wherein i is an integer; acquiring an average value of pressure signals of a pressure sensor of the liquid receiving structure ; Obtaining a calculated pressure value of the leaked liquid in the liquid receiving structure 。
2. 2. The liquid cooling apparatus leakage detection method according to claim 1, wherein the step of detecting whether the heat exchange structure has leakage by a leakage sensor of the heat exchange structure in response to the liquid cooling apparatus being started comprises: detecting whether a leakage sensor of the heat exchange structure has a leakage signal value or not; responding to the leakage signal value of the leakage sensor of the heat exchange structure, judging whether the leakage signal value exists in the leakage sensor of the heat exchange structure again after repeated cycle detection, if so, judging that the leakage exists in the heat exchange structure, and if not, judging that the leakage does not exist in the heat exchange structure.
3. 3. The liquid cooling apparatus leakage detection method according to claim 1, wherein the step of detecting whether there is a leakage in the liquid receiving structure by a pressure sensor of the liquid receiving structure located below the heat exchanging structure in response to the presence of a leakage in the heat exchanging structure comprises: detecting whether a pressure signal value exists in a pressure sensor of a liquid receiving structure positioned below the heat exchange structure; And responding to the pressure signal value of any one pressure sensor of the liquid receiving structure, and judging that liquid leakage exists in the heat exchange structure.
4. 4. The liquid cooling apparatus leakage detection method according to claim 1, wherein controlling the rate of delivery of the cooling liquid into the heat exchange structure in negative correlation with the calculated pressure value in response to the calculated pressure value being greater than a first threshold value and less than or equal to a second threshold value comprises: setting an opening angle n of a switching valve to control the speed of conveying the cooling liquid into the heat exchange structure; Setting a standard value for judging the liquid leakage amount The first threshold is the standard value A times the standard value, the second threshold value is Wherein a < b; controlling the opening angle n of the switch valve to be equal to or smaller than a first threshold value in response to the calculated pressure value being larger than a second threshold value To control the rate of delivery of coolant into the heat exchange structure in negative correlation with the calculated pressure.
5. 5. The liquid cooling apparatus leakage detection method according to claim 1, further comprising: Responding to the existence of liquid leakage in the liquid receiving structure, and acquiring a wet cycle value of a liquid leakage detector in the liquid receiving structure; in response to the wet cycle value of the liquid leakage detector in the liquid receiving structure being greater than a third threshold value, starting a liquid discharge pump to discharge liquid leakage in the liquid receiving structure into a liquid storage structure; after the liquid discharge pump is started, detecting liquid discharge flow through a flowmeter on a liquid discharge pipeline of the liquid discharge pump, and detecting liquid discharge pressure through a pressure sensor on the liquid discharge pipeline of the liquid discharge pump; responding to the drain flow being smaller than or equal to a flow threshold value, and the drain pressure being smaller than or equal to a pressure threshold value, controlling the drain pump to stop; after the liquid discharge pump is started, detecting the liquid level in the liquid storage structure through a liquid level sensor; Opening a drain valve of the liquid storage structure in response to a liquid level in the liquid storage structure being above a first liquid level; closing a drain valve of the liquid storage structure in response to a liquid level in the liquid storage structure being below a second liquid level; after the liquid discharge pump is stopped, the heat exchange structure is replaced, and the heat exchange structure is controlled to be electrified again; Detecting whether the heat exchange structure has liquid leakage, and if the heat exchange structure does not have liquid leakage, controlling the liquid cooling equipment to reset and restart.
6. 6. The liquid cooling apparatus leakage detection method according to claim 1, further comprising: Responding to the existence of liquid leakage in the heat exchange structure, starting liquid leakage protection by the liquid cooling equipment, and monitoring the pressure calculated value; and controlling the liquid cooling equipment to be powered off and shut down in response to the calculated pressure value being larger than a second threshold value.
7. 7. The liquid cooling equipment leakage detection device is characterized by comprising a liquid cooling liquid supply mechanism, a liquid supply pipeline, a switching valve, a heat exchange structure, a leakage sensor, a liquid receiving structure, a pressure sensor and a system control module; The liquid cooling liquid supply mechanism forms a cooling loop through the liquid supply pipeline and the heat exchange structure, the liquid supply pipeline is provided with the switch valve, the heat exchange structure is used for cooling a server heat exchange unit in a liquid cooling mode, the liquid receiving structure is arranged below the heat exchange structure, the liquid leakage sensor is arranged on the heat exchange structure, and at least two pressure sensors are arranged on the liquid receiving structure and used for acquiring the pressure of liquid leakage in the liquid receiving structure; the liquid leakage sensor of the heat exchange structure is used for detecting whether liquid leakage exists in the heat exchange structure when the liquid cooling equipment is started; The pressure sensor of the liquid receiving structure is used for detecting whether liquid leakage exists in the liquid receiving structure when the liquid leakage exists in the heat exchange structure; The system control module is used for calculating and obtaining a pressure calculated value of the liquid leakage in the liquid receiving structure by utilizing a pressure signal value of a pressure sensor of the liquid receiving structure when the liquid leakage exists in the liquid receiving structure, controlling the speed of conveying the cooling liquid into the heat exchange structure to be unchanged by responding to the pressure calculated value being smaller than or equal to a first threshold value, stopping the conveying of the cooling liquid into the heat exchange structure by responding to the pressure calculated value being larger than a second threshold value, controlling the speed of conveying the cooling liquid into the heat exchange structure to be inversely related to the pressure calculated value by responding to the pressure calculated value being larger than the first threshold value and smaller than or equal to the second threshold value, wherein when the liquid leakage exists in the liquid receiving structure, calculating and obtaining the pressure calculated value of the liquid leakage in the liquid receiving structure by utilizing the pressure signal value of the pressure sensor of the liquid receiving structure comprises the steps of reading the pressure signal value of the pressure sensor in the liquid receiving structure and setting the pressure signal value of an ith pressure sensor Wherein i is an integer, and the average value of pressure signals of the pressure sensor of the liquid receiving structure is obtained Acquiring a pressure calculated value of the leaked liquid in the liquid receiving structure 。
8. 8. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any one of claims 1 to 6 when the computer program is executed by the processor.
9. 9. 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 method of any of claims 1 to 6.

Description

Liquid leakage detection method and device for liquid cooling equipment, computer equipment and storage medium Technical Field The present application relates to the field of server liquid cooling technologies, and in particular, to a method and apparatus for detecting leakage of a liquid cooling device, a computer device, and a storage medium. Background Along with the rapid development of informatization, the integration level of communication equipment is higher and higher, the configuration power density of a server is continuously increased, heat dissipation becomes a difficult problem, a plurality of servers adopt a liquid cooling system to conduct system heat dissipation, the liquid leakage of the server is a problem by adopting the liquid cooling system, and once the liquid leakage occurs, the use of the server and the work of the server of the whole machine room are directly affected. In the related art, a part of servers dissipate heat by using a liquid cooling module with a liquid leakage detection function. The designed leakage detection structure is simple, and is only aimed at carrying out leakage alarm and feeding back to the server. Even if the liquid receiving structure is arranged to receive leakage liquid, when the liquid cooling system has leakage liquid, the switching valve on the liquid supply pipeline of the liquid cooling system is directly controlled to be closed, the server is stopped, and the leakage liquid received in the liquid receiving structure is discharged, so that the server cannot work normally due to micro leakage, and the server cannot work normally when the liquid cooling system has micro leakage. Disclosure of Invention Based on the detection method, the detection device, the computer equipment and the storage medium for detecting liquid leakage of the liquid cooling equipment are provided, and are used for solving the technical problems that when the liquid cooling system has liquid leakage, a switching valve on a liquid supply pipeline of the liquid cooling system is directly controlled to be closed, a server is stopped, and the normal operation of the server can not be kept when the liquid cooling system has micro leakage. In one aspect, a liquid leakage detection method of a liquid cooling device is provided, and the method includes: responding to the starting of the liquid cooling equipment, and detecting whether liquid leakage exists in the heat exchange structure through a liquid leakage sensor of the heat exchange structure; Responding to the existence of liquid leakage of the heat exchange structure, and detecting whether liquid leakage exists in the liquid receiving structure or not through a pressure sensor of the liquid receiving structure positioned below the heat exchange structure; Responding to the existence of liquid leakage in the heat exchange structure, and calculating and acquiring a pressure calculation value of the liquid leakage in the liquid receiving structure by utilizing a pressure signal value of a pressure sensor of the liquid receiving structure; Controlling the speed of conveying the cooling liquid into the heat exchange structure to be unchanged in response to the calculated pressure value being smaller than or equal to a first threshold value; Stopping the delivery of cooling fluid into the heat exchange structure in response to the calculated pressure value being greater than a second threshold value; And controlling the speed of conveying the cooling liquid into the heat exchange structure to be inversely related to the pressure calculated value in response to the pressure calculated value being larger than a first threshold value and smaller than or equal to a second threshold value. In one embodiment, the step of detecting, by a leakage sensor of the heat exchange structure, whether the heat exchange structure has leakage in response to the start of the liquid cooling apparatus includes: detecting whether a leakage sensor of the heat exchange structure has a leakage signal value or not; responding to the leakage signal value of the leakage sensor of the heat exchange structure, judging whether the leakage signal value exists in the leakage sensor of the heat exchange structure again after repeated cycle detection, if so, judging that the leakage exists in the heat exchange structure, and if not, judging that the leakage does not exist in the heat exchange structure. In one embodiment, the detecting, by a pressure sensor of a liquid receiving structure located below the heat exchange structure, whether the liquid leakage exists in the liquid receiving structure in response to the existence of the liquid leakage in the heat exchange structure includes: detecting whether a pressure signal value exists in a pressure sensor of a liquid receiving structure positioned below the heat exchange structure; And responding to the pressure signal value of any one pressure sensor of the liquid receiving structure, and judging that liquid leakage