Control method and device of single liquid cooling system, equipment and medium

Abstract

The invention discloses a control method and device of a single liquid cooling system, equipment and a medium. The control method comprises the following steps: monitoring whether a charging gun starts charging; when a charging gun starts charging, the liquid cooling system is started; after the liquid cooling system is started, monitoring whether a charging gun is overheated or not; when the charging gun is overheated, the rotating speed of the liquid cooling system is adjusted based on the maximum temperature deviation value; monitoring whether all charging guns stop charging or not; and when all the charging guns stop charging, closing the liquid cooling system in a delayed manner. The control device, the equipment and the medium all realize the control method. According to the control method, the device, the equipment and the medium, the rotating speed and the delayed closing mechanism are adjusted in real time through the maximum temperature deviation value, so that the temperature fluctuation range is reduced, the energy efficiency is improved, the response speed is improved, the scene adaptability is high in a multi-gun parallel scene, meanwhile, sufficient circulation of cooling liquid is ensured, and secondary temperature rise of gun bodies caused by shutdown of a traditional system is eliminated.

Description

Technical Field

[0001] The present invention relates to the technical field of electric vehicle charging, and particularly to a control method, device, equipment and medium for a single liquid cooling system. Background Art

[0002] With the popularization of electric vehicles, the demand for charging piles is increasing day by day. During the use of charging piles, a large amount of heat is generated by the charging gun during charging. If the heat cannot be dissipated in time, it will affect the charging efficiency and may even cause safety problems.

[0003] The current mainstream liquid cooling heat dissipation solutions have significant technical bottlenecks. One is the temperature control limitation. Most existing liquid cooling charging systems adopt fixed threshold or simple feedback control strategies. The second is the lack of energy efficiency and response speed. Existing liquid cooling systems usually adopt continuous operation or stepped adjustment modes, resulting in high energy consumption. The third is the lack of scenario adaptability. In the scenario of multiple guns running in parallel, existing liquid cooling systems cannot adaptively adjust. Summary of the Invention

[0004] The purpose of the present invention is to provide a control method, device, equipment and medium for a single liquid cooling system to solve at least one of the problems such as the temperature control limitation, insufficient energy efficiency and response speed, and insufficient scenario adaptability of the existing liquid cooling system mentioned in the above background art.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions: In the first aspect of the present invention, a control method for a single liquid cooling system is provided, including: Monitoring whether a charging gun starts charging; when a charging gun starts charging, starting the liquid cooling system; After starting the liquid cooling system, monitoring whether a charging gun overheats; when a charging gun overheats, adjusting the rotation speed of the liquid cooling system based on the maximum temperature deviation value; Monitoring whether all charging guns stop charging; when all charging guns stop charging, delaying to turn off the liquid cooling system.

[0006] Optionally, the monitoring whether a charging gun overheats includes: Obtaining the real-time temperature of all charging guns; Comparing the real-time temperature of all charging guns with a preset first temperature threshold to determine whether the real-time temperature of any charging gun is greater than the preset first temperature threshold; If the real-time temperature of any charging gun is greater than the preset first temperature threshold, then a charging gun overheats; If the real-time temperature of no charging gun is greater than the preset first temperature threshold, then no charging gun overheats.

[0007] Optionally, the adjusting the rotation speed of the liquid cooling system based on the maximum temperature deviation value includes: Obtain the real-time temperature of all over-temperature charging guns; Determine the maximum temperature deviation value according to the real-time temperature of all over-temperature charging guns and a preset first temperature threshold; If the maximum temperature deviation value is less than or equal to a preset temperature deviation value threshold, the target speed of the circulation pump is determined according to the following formula: Target speed of the circulation pump = Basic speed of the circulation pump + Maximum temperature deviation value × Preset speed adjustment value per degree Celsius; If the large temperature deviation value is greater than the preset temperature deviation value threshold, the target speed of the circulation pump is the preset maximum speed of the circulation pump; Adjust the speed of the liquid cooling system according to the target speed of the circulation pump.

[0008] Optionally, the adjusting the speed of the liquid cooling system based on the maximum temperature deviation value further includes: Obtain the real-time temperature of the coolant; Compare the real-time temperature of the coolant with preset second, third, and fourth temperature thresholds to determine whether the real-time temperature of the coolant reaches the preset second, third, or fourth temperature threshold; If the real-time temperature of the coolant reaches the second temperature threshold, the target speed of the fan is the preset first fan speed; If the real-time temperature of the coolant reaches the third temperature threshold, the target speed of the fan is the preset second fan speed; If the real-time temperature of the coolant reaches the fourth temperature threshold, the target speed of the fan is the preset maximum fan speed; Adjust the speed of the liquid cooling system according to the target speed of the fan.

[0009] Optionally, the monitoring of whether a charging gun starts charging all includes: Obtain the real-time current of all charging guns; Compare the real-time current of all charging guns with a preset first current threshold to determine whether the real-time current of any charging gun is greater than the preset first current threshold; If the real-time current of any charging gun is greater than the preset first current threshold, a charging gun starts charging; If the real-time current of no charging gun is greater than the preset first current threshold, no charging gun starts charging.

[0010] Optionally, the monitoring of whether all charging guns stop charging includes: Obtain the real-time current of all charging guns; Compare the real-time current of all the charging guns with a preset second current threshold to determine whether the real-time current of all the charging guns is less than the preset second current threshold; If the real-time current of all the charging guns is less than the preset second current threshold, all the charging guns stop charging; If the real-time current of not all the charging guns is less than the preset second current threshold, not all the charging guns stop charging.

[0011] Optionally, the delayed shutdown liquid cooling system includes: Obtain the real-time current of all the charging guns within a preset delay time; Compare the real-time current of all the charging guns within the preset delay time with a preset third current threshold to determine whether the real-time current of any charging gun within the preset delay time is greater than the preset third current threshold; If the real-time current of any charging gun within the preset delay time is greater than the preset third current threshold, any charging gun restarts charging within the preset delay time; If the real-time current of no charging gun within the preset delay time is greater than the preset third current threshold, no charging gun restarts charging within the preset delay time; Based on the fact that no charging gun restarts charging within the preset delay time, shut down the liquid cooling system after the preset delay time elapses.

[0012] In a second aspect of the present invention, there is provided a liquid cooling control device for simultaneously cooling multiple charging guns with a single liquid cooling system, including: A start-up module, configured to monitor whether any charging gun starts charging; when any charging gun starts charging, start the liquid cooling system; A speed regulation module, configured to monitor whether any charging gun overheats after starting the liquid cooling system; when any charging gun overheats, adjust the speed of the liquid cooling system based on the maximum temperature deviation value; A delayed shutdown module, configured to monitor whether all the charging guns stop charging; when all the charging guns stop charging, delay shutting down the liquid cooling system.

[0013] In a third aspect of the present invention, there is provided an electronic device, including a processor and a memory, and the processor is configured to execute a computer program stored in the memory to implement the control method of the single liquid cooling system provided in any one of the above embodiments.

[0014] In a fourth aspect of the present invention, there is provided a computer-readable storage medium, and the computer-readable storage medium stores at least one instruction, and when the at least one instruction is executed by a processor, the control method of the single liquid cooling system provided in any one of the above embodiments is implemented.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: A control method for a single liquid cooling system provided by the present invention solves the technical problems of the existing liquid cooling system in the prior art, such as temperature control limitations, insufficient energy efficiency and response speed, and insufficient scenario adaptability. The beneficial effects are achieved as follows: by adjusting the rotation speed and the delay shutdown mechanism in real time through the maximum temperature deviation value, the temperature fluctuation range in the multi-gun parallel scenario is reduced, the energy efficiency is improved, the response speed is improved, and the scenario adaptability is strong. At the same time, it ensures the full circulation of the coolant and eliminates the secondary temperature rise of the gun body caused by shutdown in the traditional system.

[0016] Furthermore, by comparing the real-time temperature with the first temperature threshold, the over-temperature risk can be quickly identified, avoiding the melting damage of the charging gun caused by local overheating. At the same time, the ineffective power consumption can be reduced on the premise of ensuring the heat dissipation requirement.

[0017] Furthermore, taking the maximum deviation value as the regulation benchmark can balance the heat dissipation priorities of multiple charging guns. At the same time, by linearly adjusting the speed, cooling can be provided on demand, and the energy consumption can be reduced compared with the traditional full-speed operation mode.

[0018] Furthermore, by dynamically adjusting the speed of the fan through multiple temperature thresholds, the energy consumption is reduced, the energy efficiency is improved, and the accurate matching of the heat dissipation intensity and the heat load is achieved.

[0019] Furthermore, by monitoring the real-time current of all charging guns, the asynchronous start and stop judgment of multiple guns can be realized, avoiding local overheating.

[0020] Furthermore, through the delay shutdown mechanism, it is ensured that the charging gun and the cable can continue to dissipate heat after charging stops, avoiding the aging of the insulation layer or the oxidation of the contacts caused by the accumulation of residual heat. At the same time, by dynamically judging whether to restart charging, the ineffective operation time of the liquid cooling system is reduced, the short-time plug-and-reconnect scenario is supported, and the delay caused by the frequent start and stop of the liquid cooling system is avoided.

[0021] A control device, an electronic device, and a computer-readable storage medium for a single liquid cooling system provided by the present invention also solve the problems of the existing liquid cooling system in the background art, such as temperature control limitations, insufficient energy efficiency and response speed, and insufficient scenario adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings forming a part of this application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings: Figure 1 is a flowchart of a control method for a single liquid cooling system provided by an embodiment of the present invention; Figure 2 is a flowchart of a control method for a single liquid cooling system provided by another embodiment of the present invention; Figure 3 A structural block diagram of a control device for a single liquid cooling system provided by an embodiment of the present invention; Figure 4 A topological diagram of a control device for a single liquid cooling system provided by one embodiment of the present invention; Figure 5 A structural block diagram of an electronic device provided by an embodiment of the present invention; Among them, 100, electronic device; 101, memory; 102, processor; 103, computer program; 104, communication bus. DETAILED DESCRIPTION

[0023] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0024] The following detailed description is an exemplary description, which is intended to provide further detailed description of the present invention. Unless otherwise specified, all technical terms used in the present invention have the same meaning as those generally understood by those skilled in the art to which the present application belongs. The terms used in the present invention are only for describing specific embodiments, and are not intended to limit exemplary embodiments according to the present invention.

[0025] Example 1 like Figure 1-2 As shown, in a first aspect of the present invention, a control method for a single liquid cooling system is provided, comprising: S1: Monitor whether there is a charging gun to start charging; when a charging gun starts charging, start the liquid cooling system; S2: After starting the liquid cooling system, monitor whether there is an over-temperature of the charging gun; when a charging gun is over-temperature, adjust the speed of the liquid cooling system based on the maximum temperature deviation value; S3: Monitor whether all charging guns stop charging; when all charging guns stop charging, delay shutting down the liquid cooling system.

[0026] It should be noted that the liquid cooling system refers to a heat dissipation system that removes the heat of the equipment through the circulation of coolant. It is usually composed of a storage box, a pump, a radiator, pipes, coolant, a temperature sensor, etc. It can be made of high-strength, corrosion-resistant engineering plastics. The pump can be a low-noise centrifugal pump. The radiator can adopt a fin-type structure and can be equipped with a large-size cooling fan. The temperature sensor monitors the temperature of the coolant in real time to provide accurate data support for the temperature control of the system. After all charging guns stop charging, the system delays shutdown to continue to dissipate the residual heat of the equipment to avoid damage to components due to instantaneous heat accumulation. Thus, by adjusting the rotation speed and the delay shutdown mechanism in real time according to the maximum temperature deviation value, the temperature fluctuation range in the multi-gun parallel scenario is reduced, the energy efficiency is improved, the response speed is increased, and the scenario adaptability is strong. At the same time, it ensures the full circulation of the coolant and eliminates the secondary temperature rise of the gun body caused by shutdown in the traditional system.

[0027] In step S1: Monitor whether a charging gun starts charging; when a charging gun starts charging, start the liquid cooling system.

[0028] Here, a start module capable of monitoring the charging of the charging gun and starting the liquid cooling system can be configured. When a charging gun starts charging, the start module can start the liquid cooling system; it should be noted that after the charging gun starts, the liquid cooling system drives the coolant to take away the heat of the charging cable and terminals; after the liquid cooling system starts, the circulation pump starts quickly, and pumps the coolant in the coolant storage tank into the coolant circulation pipeline at a preset initial flow rate (such as 5L / min, which can be adjusted according to the actual situation). The coolant starts to circulate in the pipeline to cool the charging gun; thus, by dissipating heat immediately, the temperature of the charging gun terminals is reduced to avoid contact oxidation and insulation aging, and the equipment life is extended.

[0029] In one embodiment, the monitoring of whether a charging gun starts charging all includes: Obtain the real-time current of all charging guns; Compare the real-time current of all the charging guns with a preset first current threshold to determine whether the real-time current of any charging gun is greater than the preset first current threshold; If the real-time current of any charging gun is greater than the preset first current threshold, then a charging gun starts charging; If the real-time current of no charging gun is greater than the preset first current threshold, then no charging gun starts charging.

[0030] Here, the start module can be configured to be able to compare the real-time current of all the charging guns with a preset first current threshold. When the real-time current of any charging gun is greater than the preset first current threshold, the start module can determine that a charging gun starts charging; it should be noted that the real-time current refers to the working current value of the charging gun collected in real time by the current sensor, usually in amperes (A); the first current threshold is a preset charging gun start determination current threshold, which can be dynamically set according to the natural heat dissipation ability of the cable or safety standards, or can be corrected according to the ambient temperature; multi-level current threshold protection can be set, and additional grading thresholds (such as warning threshold, current limiting threshold, power off threshold) can be added. Thus, by monitoring the real-time current of all charging guns, multi-gun asynchronous start-stop judgment is realized to avoid local overheating.

[0031] In step S2: After starting the liquid cooling system, monitor whether there is an overheated charging gun; when there is an overheated charging gun, adjust the rotation speed of the liquid cooling system based on the maximum temperature deviation value.

[0032] Here, a speed control module capable of adjusting the rotation speed of the liquid cooling system based on the maximum temperature deviation value can be configured. When there is an overheated charging gun, the speed control module can adjust the rotation speed of the liquid cooling system based on the maximum temperature deviation value. It should be noted that, thereby, through the maximum deviation value to trigger hierarchical response, the temperature fluctuation is controlled within a certain range. At the same time, taking the maximum deviation as the control reference, the charging gun with the highest temperature is preferentially cooled, balancing the heat dissipation priorities of multiple guns, and achieving progressive speed regulation to reduce the start-stop frequency of the pump, so as to extend the hardware life.

[0033] In one embodiment, the monitoring of whether there is an overheated charging gun includes: Obtain the real-time temperatures of all charging guns; Compare the real-time temperatures of all the charging guns with a preset first temperature threshold to determine whether the real-time temperature of any charging gun is greater than the preset first temperature threshold; If the real-time temperature of any charging gun is greater than the preset first temperature threshold, then there is an overheated charging gun; If the real-time temperature of no charging gun is greater than the preset first temperature threshold, then there is no overheated charging gun.

[0034] Here, the speed control module can be configured to determine whether the real-time temperature of any charging gun is greater than the preset first temperature threshold. When the real-time temperature of a charging gun is greater than the preset first temperature threshold, the speed control module determines that there is an overheated charging gun. It should be noted that the real-time temperature refers to the current working temperature of the charging gun collected in real time by the sensor, which can be in degrees Celsius (°C); real-time temperature monitoring is the core basis for judging whether the charging gun is overheated, and it can be combined with high-precision sensors (such as thermocouples or infrared temperature measurement modules) to achieve millisecond-level data update; the first temperature threshold can be dynamically set according to the heat resistance of the charging gun material, insulation performance and charging power; thereby, by comparing the real-time temperature with the first temperature threshold, the overheating risk can be quickly identified, avoiding the melting of the charging gun caused by local overheating, and at the same time, the ineffective power consumption can be reduced on the premise of ensuring the heat dissipation requirements.

[0035] In one embodiment, the adjusting of the rotation speed of the liquid cooling system based on the maximum temperature deviation value includes: Obtain the real-time temperatures of all overheated charging guns; Determine the maximum temperature deviation value according to the real-time temperatures of all overheated charging guns and a preset first temperature threshold; If the maximum temperature deviation value is less than or equal to a preset temperature deviation value threshold, the target rotation speed of the circulation pump is determined according to the following formula: The target speed of the circulation pump = the base speed of the circulation pump + the maximum temperature deviation value × the preset speed adjustment value per degree Celsius; If the large temperature deviation value is greater than the preset temperature deviation value threshold, the target speed of the circulation pump is the preset maximum speed of the circulation pump; Adjust the speed of the liquid cooling system according to the target speed of the circulation pump.

[0036] Here, the speed control module can be configured to determine the target speed of the circulation pump based on the maximum temperature deviation value. After determining the maximum temperature deviation value, the speed control module can determine the target speed of the circulation pump according to the judgment result of the maximum temperature deviation value and the preset temperature deviation threshold; it should be noted that the maximum temperature difference refers to the maximum value among the differences between the real-time temperatures of all over-temperature charging guns and the first temperature threshold, which can reflect the current most serious temperature deviation degree of the system; the base speed of the circulation pump refers to the default operating speed of the liquid cooling system in the non-over-temperature state, which can be set according to historical operating data or equipment calibration values; the speed adjustment value per degree Celsius is the preset temperature-speed linear relationship coefficient, representing the pump speed increment required for each 1°C temperature deviation. In this embodiment, preferably, the speed adjustment value per degree Celsius is 5 RPM / °C; the first temperature threshold and the temperature deviation value threshold can be set according to actual needs. In this embodiment, the first temperature threshold is 50 °C, and the temperature deviation value threshold is 10 °C; the base speed of the circulation pump and the maximum speed of the circulation pump are pre-set. In this embodiment, the base speed of the circulation pump is 300 RPM, and the maximum speed of the circulation pump is 1200 RPM; thus, taking the maximum deviation value as the control benchmark can balance the heat dissipation priorities of multiple charging guns. At the same time, by linearly adjusting the speed, cooling can be provided as needed, and the energy consumption can be reduced compared with the traditional full-speed operation mode.

[0037] In one embodiment, adjusting the speed of the liquid cooling system based on the maximum temperature deviation value further includes: Obtain the real-time temperature of the coolant; Compare the real-time temperature of the coolant with the preset second temperature threshold, third temperature threshold, and fourth temperature threshold to determine whether the real-time temperature of the coolant reaches the preset second temperature threshold, third temperature threshold, or fourth temperature threshold; If the real-time temperature of the coolant reaches the second temperature threshold, the target speed of the fan is the preset first fan speed; If the real-time temperature of the coolant reaches the third temperature threshold, the target speed of the fan is the preset second fan speed; If the real-time temperature of the coolant reaches the fourth temperature threshold, the target speed of the fan is the preset maximum fan speed; Adjust the speed of the liquid cooling system according to the target speed of the fan.

[0038] Here, the speed regulation module can be configured to be able to regulate the speed of the liquid cooling system according to the target speed of the fan. When the actual temperature of the coolant is obtained, the speed regulation module can judge the target speed of the corresponding fan according to the preset second temperature threshold, third temperature threshold, and fourth temperature threshold. It should be noted that the second temperature threshold, third temperature threshold, and fourth temperature threshold are preset coolant temperature hierarchical control thresholds used to define different heat dissipation requirement levels and can be dynamically adjusted according to the ambient temperature. The first fan speed, second fan speed, and maximum fan speed are the preset speeds of the fan. In this embodiment, preferably, the second temperature threshold is 40 °C, the first fan speed is set to 50% of the maximum fan speed of the fan, the third temperature threshold is 60 °C, the second fan speed is set to 80% of the maximum fan speed of the fan, and the fourth temperature threshold is 80 °C. Thus, by dynamically regulating the speed of the fan through multiple temperature thresholds, energy consumption is reduced, energy efficiency is improved, and an accurate match between the heat dissipation intensity and the heat load is achieved.

[0039] In step S3: Monitor whether all charging guns have stopped charging; when all charging guns have stopped charging, delay turning off the liquid cooling system.

[0040] Here, a delay shutdown module that can delay turning off the liquid cooling system can be configured. When all charging guns have stopped charging, the delay shutdown module can delay turning off the liquid cooling system. It should be noted that the judgment of the charging gun stopping charging means that by real-time monitoring the current signals of all charging guns (such as Hall sensors or Rogowski coils), when the real-time current of all charging guns is lower than the preset second current threshold (usually 1 - 5 A), it is determined that charging has completely stopped. This threshold needs to be lower than the charging maintenance current to avoid misjudgment. After all charging guns have stopped charging, the liquid cooling system can continue to operate for a preset delay time (such as 5 - 10 minutes) to dissipate the residual heat of the equipment. The delay time can be dynamically adjusted according to the ambient temperature and charging power. Thus, through the delay shutdown mechanism, the temperature fluctuation range in the multi-gun parallel scenario is reduced, ensuring full circulation of the coolant and eliminating the secondary temperature rise of the gun body caused by shutdown in the traditional system.

[0041] In one embodiment, the monitoring of whether all charging guns have stopped charging includes: Obtain the real-time current of all charging guns; Compare the real-time current of all the charging guns with the preset second current threshold to judge whether the real-time current of all charging guns is less than the preset second current threshold; If the real-time current of all charging guns is less than the preset second current threshold, then all charging guns have stopped charging; If the real-time current of not all charging guns is less than the preset second current threshold, then not all charging guns have stopped charging.

[0042] Here, the delay-off system can be configured to monitor whether all charging guns have stopped charging. When the real-time current of all charging guns is less than a preset second current threshold, the delay-off system determines that all charging guns have stopped charging. It should be noted that the second current threshold is the charging gun shutdown determination threshold preset by the system, which can be dynamically set according to the natural heat dissipation ability of the cable or safety standards, can also be the same as the first current threshold, or can be corrected according to the ambient temperature. Thus, by monitoring the real-time current of all charging guns, multi-gun asynchronous start-stop judgment is achieved, avoiding local overheating.

[0043] In one embodiment, the delay-off liquid cooling system includes: Obtain the real-time current of all charging guns within a preset delay time; Compare the real-time current of all the charging guns within the preset delay time with a preset third current threshold to determine whether the real-time current of any charging gun within the preset delay time is greater than the preset third current threshold; If the real-time current of any charging gun within the preset delay time is greater than the preset third current threshold, then some charging guns restart charging within the preset delay time; If the real-time current of no charging gun within the preset delay time is greater than the preset third current threshold, then no charging gun restarts charging within the preset delay time; According to the fact that no charging gun restarts charging within the preset delay time, the liquid cooling system is turned off after the preset delay time elapses.

[0044] Here, the delay-off module can be configured to determine whether any charging gun restarts charging within the preset delay time. When no charging gun restarts charging within the preset delay time, the delay-off module can determine to turn off the liquid cooling system after the preset delay time elapses. It should be noted that the delay time refers to a preset time period (such as 5 - 10 minutes) during which the liquid cooling system continues to operate after all charging guns have stopped charging, used to dissipate the residual heat of the device and prevent component aging or damage caused by instantaneous heat accumulation. The delay time can be dynamically adjusted according to the ambient temperature and charging power. The third current threshold is the charging gun restart determination threshold preset by the system, usually lower than the normal operating current (such as 1 - 5A), used to identify whether a charging gun restarts. Thus, through the delay-off mechanism, it is ensured that the charging guns and cables can continue to dissipate heat after stopping charging, avoiding insulation layer aging or contact oxidation caused by residual heat accumulation. At the same time, by dynamically judging whether to restart charging, the ineffective operation time of the liquid cooling system is reduced, supporting short-time plug-and-reconnect scenarios, and avoiding delays caused by frequent start-stop of the liquid cooling system.

[0045] In one embodiment, it further includes: Monitor the working information of the liquid cooling system to determine whether there is a fault in the liquid cooling system; when a fault occurs in the liquid cooling system, determine the fault signal.

[0046] Here, an early warning module capable of determining the fault signal can be configured. When the fault information of the liquid cooling system is detected, the early warning module can determine the fault signal; it should be noted that the working status of each component of the liquid cooling device (such as the circulation pump, radiator fan, temperature sensor, etc.) and parameters such as the liquid level and pressure of the coolant can be obtained through real-time interaction with the 485 communication protocol of the liquid cooling system; when an abnormality is detected in a certain component (such as abnormal rotation speed of the circulation pump, radiator fan failure, too low liquid level caused by coolant leakage, etc.), the software system immediately issues a fault warning signal, and pushes detailed fault information to the operation and maintenance personnel through the display screen of the charging pile (such as the LVDS interface capacitive screen controlled by the Qt program), mobile phone APP (pushed in the way of the platform communication protocol), etc., including the name of the faulty component, the time of fault occurrence, possible causes of the fault, etc., so that the operation and maintenance personnel can conduct troubleshooting and repair in time; thus, ensuring the stable operation of the liquid cooling control system.

[0047] Embodiment 2 As Figure 3-4 shown, based on the same inventive concept as the above embodiment, in the second aspect of the present invention, a liquid cooling control device for simultaneously cooling multiple charging guns with a single liquid cooling system is further provided, including: A start module, configured to monitor whether a charging gun starts charging; when a charging gun starts charging, start the liquid cooling system; A speed regulation module, configured to monitor whether a charging gun overheats after starting the liquid cooling system; when a charging gun overheats, adjust the rotation speed of the liquid cooling system based on the maximum temperature deviation value; A delay shutdown module, configured to monitor whether all charging guns stop charging; when all charging guns stop charging, delay the shutdown of the liquid cooling system.

[0048] It should be noted that the start module, the speed regulation module, and the delay shutdown module are communicatively connected to each charging gun and the liquid cooling device through the CAN or 485 bus, and are used to obtain the working status information of each charging gun in real time, including key parameters such as charging current and temperature, and can send accurate control commands to the liquid cooling device at the same time.

[0049] Embodiment 3 As Figure 5 shown, in the third aspect of the present invention, an electronic device 100 for implementing the control method of the single liquid cooling system provided in any one of the above embodiments is further provided; The electronic device 100 includes a memory 101, at least one processor 102, a computer program 103 stored in the memory 101 and executable on the at least one processor 102, and at least one communication bus 104.

[0050] The memory 101 can be used to store the computer program 103. The processor 102 realizes the control method steps of the single liquid cooling system provided in any of the above embodiments by running or executing the computer program stored in the memory 101 and calling the data stored in the memory 101.

[0051] The memory 101 mainly includes a program storage area and a data storage area. Among them, the program storage area can store an operating system, application programs required for at least one function (such as a sound playback function, an image playback function, etc.); the data storage area can store data created according to the use of the electronic device 100 (such as audio data, etc.). In addition, the memory 101 can include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) card, a Flash Card, at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices.

[0052] The at least one processor 102 can be a Central Processing Unit (CPU), and can also be other general-purpose processors, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The processor 102 can be a microprocessor or the processor 102 can also be any conventional processor, etc. The processor 102 is the control center of the electronic device 100 and connects various parts of the entire electronic device 100 through various interfaces and lines.

[0053] The memory 101 in the electronic device 100 stores multiple instructions to implement a control method of a single liquid cooling system. The processor 102 can execute the multiple instructions to implement: Monitoring whether a charging gun starts charging; when a charging gun starts charging, starting the liquid cooling system; After starting the liquid cooling system, monitoring whether the charging gun is overheated; when the charging gun is overheated, adjusting the rotation speed of the liquid cooling system based on the maximum temperature deviation value; Monitor whether all charging guns have stopped charging; when all charging guns have stopped charging, delay to turn off the liquid cooling system.

[0054] Embodiment 4 In a fourth aspect of the present invention, there is provided a computer-readable storage medium storing at least one instruction, and when the at least one instruction is executed by a processor, it implements the control method of the single liquid cooling system provided in any of the above embodiments.

[0055] It should be noted that if the modules / units integrated in the electronic device 100 are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, to implement all or part of the processes in the above method embodiments of the present invention, it can also be completed by instructing relevant hardware through a computer program, and the computer program can be stored in a computer-readable storage medium. When the computer program is executed by a processor, it can implement the steps of the above method embodiments. Among them, the computer program includes computer program code, and the computer program code can be in the form of source code, object code, executable file, or some intermediate form, etc. The computer-readable medium can include: any entity or device capable of carrying the computer program code, recording medium, USB flash drive, mobile hard disk, magnetic disk, optical disk, computer memory, and read-only memory (ROM, Read-Only Memory).

[0056] Thus, a control device, an electronic device, and a computer-readable storage medium for a single liquid cooling system provided by the present invention also solve the problems of the existing liquid cooling system with temperature control limitations, insufficient energy efficiency and response speed, and insufficient scenario adaptability proposed in the background art.

[0057] Those skilled in the art should understand that the embodiments of the present invention can be provided as a method, a system, or a computer program product. Therefore, the present invention can adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present invention can adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0058] The present invention is described with reference to the flowcharts and / or block diagrams of methods, apparatuses (systems), and computer program products according to embodiments of the present invention. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and combinations of flows and / or blocks in the flowcharts and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to the processors of general-purpose computers, special-purpose computers, embedded processors, or other programmable data processing devices to generate a machine, such that the instructions executed by the processors of the computer or other programmable data processing devices produce means for implementing the functions specified in one flow Figure 1 one flow or multiple flows and / or blocks Figure 1 or in multiple blocks.

[0059] These computer program instructions can also be stored in a computer-readable memory that can direct a computer or other programmable data processing device to work in a specific manner, such that the instructions stored in the computer-readable memory produce a manufactured article including instruction means that implement the functions specified in one flow Figure 1 one flow or multiple flows and / or blocks Figure 1 or in multiple blocks.

[0060] These computer program instructions can also be loaded onto a computer or other programmable data processing device, such that a series of operation steps are executed on the computer or other programmable device to produce a computer-implemented process, and thus the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one flow Figure 1 one flow or multiple flows and / or blocks Figure 1 or in multiple blocks.

[0061] In the description of this specification, descriptions with reference to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0062] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications or equivalent replacements can still be made to the specific embodiments of the present invention, and any modifications or equivalent replacements that do not depart from the spirit and scope of the present invention should be covered by the protection scope of the claims of the present invention.

Claims

1. A control method for a single liquid cooling system, characterized in that, Including: Monitor whether a charging gun starts charging; when a charging gun starts charging, start the liquid cooling system; After starting the liquid cooling system, monitor whether a charging gun overheats; when a charging gun overheats, adjust the rotation speed of the liquid cooling system based on the maximum temperature deviation value; Monitor whether all charging guns stop charging; when all charging guns stop charging, delay to turn off the liquid cooling system.

2. The control method of the single liquid cooling system according to claim 1, characterized in that The monitoring of whether a charging gun overheats includes: Obtain the real-time temperature of all charging guns; Compare the real-time temperature of all charging guns with a preset first temperature threshold to determine whether the real-time temperature of any charging gun is greater than the preset first temperature threshold; If the real-time temperature of any charging gun is greater than the preset first temperature threshold, then a charging gun overheats; If the real-time temperature of no charging gun is greater than the preset first temperature threshold, then no charging gun overheats.

3. The control method of the single liquid cooling system according to claim 2, wherein, The adjusting the rotation speed of the liquid cooling system based on the maximum temperature deviation value includes: Obtain the real-time temperature of all overheated charging guns; Determine the maximum temperature deviation value according to the real-time temperature of all overheated charging guns and the preset first temperature threshold; If the maximum temperature deviation value is less than or equal to the preset temperature deviation value threshold, the target rotation speed of the circulation pump is determined according to the following formula: Target rotation speed of the circulation pump = Basic rotation speed of the circulation pump + Maximum temperature deviation value × Preset rotation speed adjustment value per degree Celsius; If the large temperature deviation value is greater than the preset temperature deviation value threshold, the target rotation speed of the circulation pump is the preset maximum rotation speed of the circulation pump; Adjust the speed of the liquid cooling system according to the target rotation speed of the circulation pump.

4. The control method of the single liquid cooling system according to claim 3, wherein The adjusting the rotation speed of the liquid cooling system based on the maximum temperature deviation value further includes: Obtain the real-time temperature of the coolant; Compare the real-time temperature of the coolant with a preset second temperature threshold, third temperature threshold, and fourth temperature threshold to determine whether the real-time temperature of the coolant reaches the preset second temperature threshold, third temperature threshold, or fourth temperature threshold; If the real-time temperature of the coolant reaches the second temperature threshold, the target rotation speed of the fan is the preset first fan rotation speed; If the real-time temperature of the coolant reaches the third temperature threshold, the target rotation speed of the fan is the preset second fan rotation speed; If the real-time temperature of the coolant reaches the fourth temperature threshold, the target rotation speed of the fan is the preset maximum fan rotation speed; Adjust the speed of the liquid cooling system according to the target rotation speed of the fan.

5. The control method of the single liquid cooling system according to claim 1, characterized in that The monitoring of whether a charging gun starts charging all includes: Obtain the real-time current of all charging guns; Compare the real-time current of all charging guns with a preset first current threshold to determine whether the real-time current of any charging gun is greater than the preset first current threshold; If the real-time current of any charging gun is greater than the preset first current threshold, then a charging gun starts charging; If the real-time current of no charging gun is greater than the preset first current threshold, then no charging gun starts charging.

6. The control method of the single liquid cooling system according to claim 1, characterized in that, The monitoring of whether all charging guns stop charging includes: Obtain the real-time current of all charging guns; Compare the real-time current of all charging guns with a preset second current threshold to determine whether the real-time current of all charging guns is less than the preset second current threshold; If the real-time current of all charging guns is less than a preset second current threshold, all charging guns stop charging; If the real-time current of not all charging guns is less than a preset second current threshold, not all charging guns stop charging.

7. The control method of the single liquid cooling system according to claim 1, characterized in that The delayed shutdown liquid cooling system includes: Obtain the real-time current of all charging guns within a preset delay time; Compare the real-time current of all the charging guns within the preset delay time with a preset third current threshold to determine whether the real-time current of any charging gun within the preset delay time is greater than the preset third current threshold; If the real-time current of any charging gun within the preset delay time is greater than the preset third current threshold, then some charging guns restart charging within the preset delay time; If the real-time current of no charging gun within the preset delay time is greater than the preset third current threshold, then no charging gun restarts charging within the preset delay time; Based on the fact that no charging gun restarts charging within the preset delay time, the liquid cooling system is shut down after the preset delay time elapses.

8. A liquid cooling control device for simultaneously cooling multiple charging guns by a single liquid cooling system, characterized in that, It includes: A startup module, used to monitor whether any charging gun starts charging; when any charging gun starts charging, start the liquid cooling system; A speed regulation module, used to monitor whether any charging gun overheats after starting the liquid cooling system; when any charging gun overheats, adjust the rotation speed of the liquid cooling system based on the maximum temperature deviation value; A delayed shutdown module, used to monitor whether all charging guns stop charging; when all charging guns stop charging, delay shutting down the liquid cooling system.

9. An electronic device, characterized in that, It includes a processor and a memory, and the processor is used to execute a computer program stored in the memory to implement the control method of the single liquid cooling system as described in any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores at least one instruction, and when the at least one instruction is executed by the processor, it implements the control method of the single liquid cooling system as described in any one of claims 1 to 7.

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