Intelligent liquid cooling control method and device, electronic equipment and storage medium

Abstract

The invention provides an intelligent liquid cooling control method and device, electronic equipment and a storage medium, and relates to the technical field of battery temperature control. The battery temperature data comprises the lowest battery temperature and the highest battery temperature; determining a temperature adjustment mode based on the battery minimum temperature; the temperature control mode comprises a heating mode, a refrigerating mode, a pure heating mode, a charging and discharging heating mode and a self-circulation mode; determining a temperature control mode of the liquid cooling system based on the temperature adjustment mode, the highest battery temperature and the lowest battery temperature; and controlling the temperature of the battery based on the temperature control mode. In the mode, the temperature of the battery can be effectively controlled, so that the service life of the battery is effectively prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of battery temperature control, and in particular to an intelligent liquid cooling control method, device, electronic equipment and storage medium. Background Art

[0002] As global energy is decreasing, the new energy industry is also developing rapidly. For example, new energy vehicles, and batteries are the most critical components in new energy electric vehicles. The service life of batteries is closely related to their operating temperature.

[0003] The battery has an optimal operating temperature. When operating at this temperature, the attenuation of the battery life can be slowed down. Therefore, the battery temperature needs to be controlled. In the related art, when controlling the battery temperature, unreasonable temperature control conditions usually occur, resulting in the battery temperature cannot be effectively controlled, thereby failing to effectively extend the battery life. Summary of the invention

[0004] In view of this, an object of the present invention is to provide an intelligent liquid cooling control method, device, electronic device and storage medium to effectively control the battery temperature and extend the battery life.

[0005] In a first aspect, an embodiment of the present invention provides an intelligent liquid cooling control method, the method comprising: acquiring battery temperature data; the battery temperature data comprising: a battery minimum temperature and a battery maximum temperature; determining a temperature adjustment mode of a liquid cooling system at the battery minimum temperature; the temperature control modes comprising: a heating mode, a cooling mode, a pure heating mode, a charge and discharge heating mode and a self-circulation mode; determining a temperature control mode of a liquid cooling system based on the temperature adjustment mode, the battery maximum temperature and the battery minimum temperature; and controlling the temperature of the battery based on the temperature control mode.

[0006] In a preferred embodiment of the present invention, the temperature adjustment mode of the liquid cooling system is determined based on the minimum temperature of the battery, including: if the minimum temperature of the battery meets a pre-set first temperature threshold, the temperature adjustment mode is a heating mode; if the minimum temperature of the battery meets a pre-set second temperature threshold, the temperature adjustment mode is a cooling mode.

[0007] In a preferred embodiment of the present invention, the temperature control mode of the liquid cooling system is determined based on the temperature adjustment mode, the maximum temperature of the battery, and the minimum temperature of the battery, including: if the temperature adjustment mode is a heating mode, the temperature control mode is determined based on the minimum temperature of the battery; if the temperature adjustment mode is a cooling mode, the temperature control mode is determined based on the maximum temperature of the battery, the water outlet temperature of the liquid cooling system, and the target water outlet temperature of the liquid cooling system.

[0008] In a preferred embodiment of the present invention, the temperature control mode is determined based on the minimum temperature of the battery, including: if the minimum temperature of the battery meets the pre-set third temperature threshold, the temperature control mode is a pure heating mode; if the minimum temperature of the battery meets the pre-set fourth temperature threshold, the temperature control mode is a charge and discharge heating mode.

[0009] In a preferred embodiment of the present invention, the temperature control mode is determined based on the maximum temperature of the battery, the water outlet temperature of the liquid cooling system, and the water outlet target temperature of the liquid cooling system, including: if the maximum temperature of the battery meets the pre-set fifth temperature threshold, then the temperature control mode is determined to be the self-circulation mode; or, the temperature difference is determined based on the water outlet temperature and the water outlet target temperature; the temperature control mode is determined based on the temperature difference.

[0010] In a preferred embodiment of the present invention, the temperature control mode is determined based on the temperature difference, including: if the temperature difference meets the pre-set sixth temperature threshold, the temperature control mode is determined to be the self-circulation mode; after continuing the self-circulation mode for a preset time, if the temperature difference does not meet the pre-set seventh temperature threshold, the self-circulation mode continues.

[0011] In a preferred embodiment of the present invention, after continuing the self-circulation mode, the method includes: after continuing the self-circulation mode for a preset time, if the temperature difference meets the seventh temperature threshold, turning off the cooling mode.

[0012] In a second aspect, an embodiment of the present invention further provides an intelligent liquid cooling control device, the device comprising: a battery minimum temperature acquisition module, used to acquire battery temperature data; the battery temperature data comprises: a battery minimum temperature and a battery maximum temperature; a temperature adjustment mode determination module, used to determine a temperature adjustment mode based on the battery minimum temperature; a temperature control mode determination module, used to determine a temperature control mode of a liquid cooling system based on the temperature adjustment mode, the battery maximum temperature and the battery minimum temperature; the temperature control modes comprise: a heating mode, a cooling mode, a pure heating mode, a charge and discharge heating mode and a self-circulation mode; a battery temperature control module, used to control the temperature of the battery based on the temperature control mode.

[0013] In a third aspect, an embodiment of the present invention further provides an electronic device, including a processor and a memory, wherein the memory stores computer executable instructions that can be executed by the processor, and the processor executes the computer executable instructions to implement the intelligent liquid cooling control method of the first aspect above.

[0014] In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, which stores computer-executable instructions. When the computer-executable instructions are called and executed by a processor, the computer-executable instructions prompt the processor to implement the intelligent liquid cooling control method of the first aspect mentioned above.

[0015] The embodiments of the present invention bring the following beneficial effects:

[0016] The embodiment of the present invention provides an intelligent liquid cooling control method, device, electronic device and storage medium, which obtains battery temperature data, determines a temperature adjustment mode based on the lowest battery temperature, determines a temperature control mode of a liquid cooling system based on the temperature adjustment mode, the highest battery temperature and the lowest battery temperature, and controls the temperature of the battery based on the temperature control mode. In this way, the temperature of the battery can be effectively controlled, thereby effectively extending the service life of the battery.

[0017] Other features and advantages of the present disclosure will be set forth in the following description, or some features and advantages may be inferred or unambiguously determined from the description, or may be learned by implementing the above-mentioned technology of the present disclosure.

[0018] In order to make the above-mentioned objectives, features and advantages of the present disclosure more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A flow chart of an intelligent liquid cooling control method provided by an embodiment of the present invention;

[0021] Figure 2 An interactive relationship diagram of components in a liquid cooling system provided by an embodiment of the present invention;

[0022] Figure 3 A flow chart of another intelligent liquid cooling control method provided by an embodiment of the present invention;

[0023] Figure 4 A logic diagram of intelligent liquid cooling control provided by an embodiment of the present invention;

[0024] Figure 5 A schematic diagram of the structure of an intelligent liquid cooling control device provided by an embodiment of the present invention;

[0025] Figure 6 A schematic diagram of the structure of an electronic device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] As global energy is decreasing, the new energy industry is also developing rapidly. For example, new energy vehicles, and batteries are the most critical components in new energy electric vehicles. The service life of batteries is closely related to their operating temperature.

[0028] The battery has an optimal operating temperature. When operating at this temperature, the attenuation of the battery life can be slowed down. Therefore, the battery temperature needs to be controlled. In the related art, when controlling the battery temperature, unreasonable temperature control conditions usually occur, resulting in the battery temperature cannot be effectively controlled, thereby failing to effectively extend the battery life.

[0029] Based on this, an intelligent liquid cooling control method, device, electronic device and storage medium provided by an embodiment of the present invention can obtain battery temperature data, determine a temperature adjustment mode based on the lowest battery temperature, determine a temperature control mode of a liquid cooling system based on the temperature adjustment mode, the highest battery temperature and the lowest battery temperature, and control the temperature of the battery based on the temperature control mode. In this way, the temperature of the battery can be effectively controlled, thereby effectively extending the service life of the battery.

[0030] To facilitate understanding of this embodiment, an intelligent liquid cooling control method disclosed in an embodiment of the present invention is first introduced in detail.

[0031] Example 1

[0032] The embodiment of the present invention provides an intelligent liquid cooling control method. Figure 1 Flow chart of an intelligent liquid cooling control method provided by an embodiment of the present invention. Figure 1 As shown, the intelligent liquid cooling control method may include the following steps:

[0033] Step S101, obtaining battery temperature data.

[0034] The temperature data of the battery can be collected by the slave controller, so as to determine the minimum temperature and the maximum temperature of the battery according to the temperature data of the battery.

[0035] Step S102: determining a temperature adjustment mode of the liquid cooling system based on the lowest battery temperature.

[0036] The temperature adjustment mode of the liquid cooling system may be determined by the relationship between the lowest battery temperature and a preset threshold value, and the temperature adjustment mode may include: a heating mode and a cooling mode.

[0037] Among them, the water outlet temperature of the water pump in heating mode can be 25°C, and the water outlet temperature of the water pump in cooling mode can be 15°C.

[0038] Among them, the liquid cooling system may include: a PTC (Positive Temperature Coefficient) heater, a water pump, an electric compressor, a fan, a water cooling relay, a main positive relay and a plate heat exchanger. The liquid cooling system can control the temperature of the energy storage cabinet battery system, and the energy storage cabinet battery system may include at least one battery.

[0039] For ease of understanding, Figure 2 FIG. 1 is an interactive relationship diagram of components in a liquid cooling system provided by an embodiment of the present invention. The specific interactive relationship of the components in the liquid cooling system is as follows: Figure 2 As shown, PACK-1, PACK-2, PACK-3, PACK-4 and PACK-5 represent five parallel-connected batteries in the energy storage battery cabinet system.

[0040] The electric compressor can provide the required pressure for the system; the fan can be used for cooling or ventilation; the plate heat exchanger can transfer heat between different fluids; the water pump can provide the water required for cooling or heating; the PTC heater generates heat when current passes through it, and its resistance value increases as the temperature rises, thereby limiting the current and preventing overheating, and can provide additional heat for the system; the system temperature is monitored and controlled by the water-cooled relay. When the system temperature exceeds the preset threshold, the water-cooled relay can trigger the corresponding cooling mechanism, such as starting the water pump or fan; by controlling the on and off of the circuit, it operates according to the system's control strategy or safety requirements to cut off the power supply under specific conditions to protect the system.

[0041] The control strategies for some components in the liquid cooling system are shown in Table 1 below:

[0042] Table 1:

[0043]

[0044] Among them, △T represents the temperature difference, Tout represents the outlet water temperature of the water pump, and Tmark represents the outlet water target temperature of the water pump, that is, the standard temperature.

[0045] Step S103, determining the temperature control mode of the liquid cooling system based on the temperature adjustment mode, the maximum battery temperature, and the minimum battery temperature.

[0046] Among them, the temperature control mode may include: pure heating mode, charge-discharge heating mode and self-circulation mode.

[0047] The temperature control mode may be determined according to the relationship between the maximum battery temperature and the minimum battery temperature adjusted by the temperature adjustment mode and a preset threshold value.

[0048] Among them, the pure heating mode can be entered by closing the water-cooling relay, and the charging and discharging heating mode can be entered by closing the main positive relay and the water-cooling relay.

[0049] Step S104: controlling the temperature of the battery based on the temperature control mode.

[0050] Among them, when the lowest battery temperature adjusted by the pure heating mode reaches a certain threshold, the temperature control mode can be adjusted to the charge and discharge heating mode. When the lowest battery temperature adjusted by the pure heating mode reaches a certain threshold, the heating mode can be turned off and the battery operates normally at this time.

[0051] The intelligent liquid cooling control method provided by the embodiment of the present invention can obtain battery temperature data, determine the temperature adjustment mode based on the minimum temperature of the battery, determine the temperature control mode of the liquid cooling system based on the temperature adjustment mode, the maximum temperature of the battery, and the minimum temperature of the battery, and control the temperature of the battery based on the temperature control mode. In this way, the temperature of the battery can be effectively controlled, thereby effectively extending the service life of the battery.

[0052] Example 2

[0053] The embodiment of the present invention also provides another intelligent liquid cooling control method; this method is implemented on the basis of the method in the above embodiment.

[0054] Figure 3 A flow chart of another intelligent liquid cooling control method provided by an embodiment of the present invention, such as Figure 3 As shown, the intelligent liquid cooling control method may include the following steps:

[0055] Step S201, obtaining battery temperature data.

[0056] The temperature data of the battery can be collected by the slave controller, so as to determine the minimum temperature and the maximum temperature of the battery according to the temperature data of the battery.

[0057] Step S202: If the lowest battery temperature meets a preset first temperature threshold, the temperature adjustment mode is a heating mode.

[0058] The first temperature threshold may be 10° C., and when the lowest battery temperature is less than 10° C., it is considered that the first temperature threshold is met.

[0059] Among them, in the heating mode, if the ambient temperature is within the range of [-30℃, 25℃) and the outlet water temperature of the water pump is lower than the standard temperature, the heating is maintained, and the PTC heater and the water pump work; when the outlet water temperature of the water pump is greater than or equal to the standard temperature, the self-circulation starts, at which time the PTC heater does not work, but the water pump works.

[0060] Among them, in the heating mode, automatic heating below 10°C can be achieved to protect the battery.

[0061] Step S203: if the lowest battery temperature meets a preset second temperature threshold, the temperature adjustment mode is the cooling mode.

[0062] The second temperature threshold may be 30° C., and when the lowest battery temperature is greater than or equal to 30° C., it is considered that the second temperature threshold is met.

[0063] Among them, in the cooling mode, if the ambient temperature is within the range of [0℃, 55℃] and the outlet water temperature of the water pump is greater than or equal to the standard temperature, the cooling is maintained, and the electric compressor, fan and water pump work; when the outlet water temperature of the water pump is lower than the standard temperature, self-circulation starts, at which time the electric compressor and fan do not work, and the water pump works.

[0064] Among them, in the cooling mode, automatic cooling above 30°C can be achieved to protect the battery.

[0065] It should be noted that when the minimum battery temperature is greater than or equal to 10°C and less than 30°C, the main positive relay can be directly closed to adjust the temperature so that the battery can operate normally.

[0066] Step S204: if the temperature adjustment mode is the heating mode, determine the temperature control mode based on the lowest battery temperature.

[0067] Specifically, determining the temperature control mode based on the minimum battery temperature may include: if the minimum battery temperature meets a preset third temperature threshold, the temperature control mode is a pure heating mode; if the minimum battery temperature meets a preset fourth temperature threshold, the temperature control mode is a charge and discharge heating mode.

[0068] The third temperature threshold may be 5° C., and when the lowest battery temperature is less than 5° C., it is considered that the third temperature threshold is met.

[0069] The fourth temperature threshold may be 5° C. and 10° C. When the lowest battery temperature is greater than or equal to 5° C. and less than 10° C., it is considered that the fourth temperature threshold is met.

[0070] Step S205 , if the temperature adjustment mode is the cooling mode, the temperature control mode is determined based on the maximum temperature of the battery, the outlet water temperature of the liquid cooling system, and the outlet water target temperature of the liquid cooling system.

[0071] Among them, since the suitable operating temperature of the battery is 25℃, the target water outlet temperature can be set to 10-25℃.

[0072] Specifically, the temperature control mode is determined based on the maximum temperature of the battery, the water outlet temperature of the liquid cooling system, and the target water outlet temperature of the liquid cooling system, which may include: if the maximum temperature of the battery meets a pre-set fifth temperature threshold, determining the temperature control mode to be the self-circulation mode; or, determining the temperature difference based on the water outlet temperature and the target water outlet temperature; determining the temperature control mode based on the temperature difference.

[0073] Among them, the water outlet temperature maintains a relative temperature difference with the target water outlet temperature, which can ensure the rapid adjustment of the battery temperature, but it is necessary to ensure that the entire package is waterproof to prevent condensation.

[0074] The fifth temperature threshold may be 28° C., and when the maximum battery temperature is less than 28° C., it is considered that the fifth temperature threshold is met.

[0075] Among them, determining the temperature control mode based on the temperature difference may include: if the temperature difference meets the pre-set sixth temperature threshold, determining the temperature control mode as the self-circulation mode; after the self-circulation mode continues for a preset time, if the temperature difference does not meet the pre-set seventh temperature threshold, continuing the self-circulation mode; after the self-circulation mode continues for a preset time, if the temperature difference meets the seventh temperature threshold, turning off the refrigeration mode.

[0076] The sixth temperature threshold may be 10° C., and when the temperature difference is greater than or equal to 10° C., it is considered that the sixth temperature threshold is met.

[0077] The seventh temperature threshold may be 6° C., and when the temperature difference is less than or equal to 6° C., it is considered that the seventh temperature threshold is met.

[0078] Furthermore, after the temperature control mode enters the charge and discharge heating mode, in order to ensure that the water outlet temperature maintains a relative temperature difference with the target water outlet temperature and achieve rapid cooling, the temperature control mode can be adjusted to the self-circulation mode when the lowest temperature of the battery is greater than or equal to 10°C, and it will last for 10 minutes. After the temperature difference is less than or equal to 6°C, the heating mode is turned off and the battery operates normally. If the temperature difference is greater than 6°C, the self-circulation mode is entered again for 10 minutes until the temperature difference is less than or equal to 6°C.

[0079] For ease of understanding, Figure 4 A logic diagram of intelligent liquid cooling control provided by an embodiment of the present invention.

[0080] In actual applications, the temperature data of the battery is collected from the control unit for control judgment. When the minimum temperature of the battery is less than 10°C, the heating mode is turned on. At this time, the water outlet temperature of the water pump is 25°C. After the heating mode is turned on, the minimum temperature of the battery is further judged. When the minimum temperature of the battery is less than 5°C, the water cooling relay is closed to enter the pure heating mode. After adjustment in the pure heating mode, when the minimum temperature of the battery is greater than or equal to 5°C, the main positive relay and the water cooling relay are closed to enter the charge and discharge heating mode. After adjustment in the charge and discharge heating mode, when the minimum temperature of the battery is greater than or equal to 5°C, the main positive relay and the water cooling relay are closed to enter the charge and discharge heating mode. When the temperature is greater than or equal to 10℃, the heating mode is turned off and the battery operates normally; when the minimum battery temperature is greater than or equal to 5℃ and less than 10℃, the main positive relay and the water cooling relay are directly closed to enter the charge and discharge heating mode. When the minimum battery temperature is greater than or equal to 10℃, the self-circulation mode is entered and lasts for 10 minutes. After 10 minutes, if the temperature difference is less than or equal to 6℃, the heating mode is turned off and the battery operates normally; after 10 minutes, if the temperature difference is greater than 6℃, the self-circulation mode is continued for another 10 minutes until the temperature difference is greater than 6℃ and the heating mode is turned off.

[0081] When the minimum battery temperature is not less than 10℃ and greater than or equal to 30℃, the cooling mode is turned on. At this time, the water outlet temperature of the water pump is 15℃, and the main positive relay and water cooling relay are closed. When the maximum battery temperature is less than or equal to 28℃ or the temperature difference is greater than or equal to 10℃, the self-circulation mode is entered and lasts for 10 minutes. If the temperature difference is less than or equal to 6℃ after 10 minutes, the cooling mode is turned off and the battery operates normally. If the temperature difference is greater than 6℃ after 10 minutes, the self-circulation mode is continued for another 10 minutes until the temperature difference is greater than 6℃ and the cooling mode is turned off.

[0082] When the minimum battery temperature is not less than 10°C and less than 30°C, the main positive relay is directly closed and the battery operates normally.

[0083] Furthermore, if there are a large number of battery packs, the battery packs can be connected in parallel under the premise that the flow rate, head and structure are sufficient, which can avoid poor temperature control of the terminal battery and cause large temperature difference.

[0084] Among them, since excessive temperature difference will lead to poor battery consistency and reduce battery life, and excessive temperature of a single battery in the barrel effect will also trigger a high temperature alarm, so a 10-minute self-circulation mode time is set.

[0085] Among them, the battery temperature data will be detected before the battery works. When the lowest temperature of the battery is below 5℃, the battery will be heated only without charging or discharging. This can ensure that the system can operate normally while heating quickly. This prevents the problem of not considering low temperature conditions or charging and discharging at the same time when heating at low temperature, which affects the battery life.

[0086] Among them, the appropriate temperature helps to speed up the charging speed of the battery. In the temperature range of 5℃≤battery minimum temperature<10℃, charging can be carried out while heating. In order to achieve charging in a low temperature environment without damaging the battery, when the battery minimum temperature is less than 5℃, only pure heating mode is supported, and the requested current is heating current. Only when the battery temperature rises to the set temperature can other processes be entered to protect the battery from being affected by high current charging.

[0087] The intelligent liquid cooling control method provided in the embodiment of the present invention determines the temperature adjustment mode and the temperature control mode by setting different temperature thresholds, thereby controlling the battery temperature, thereby effectively extending the service life of the battery.

[0088] Example 3

[0089] Corresponding to the above method embodiment, the embodiment of the present invention provides an intelligent liquid cooling control device, Figure 5 A schematic diagram of the structure of an intelligent liquid cooling control device provided by an embodiment of the present invention is shown in FIG. Figure 5 As shown, the intelligent liquid cooling control device may include:

[0090] The battery minimum temperature acquisition module 401 is used to acquire battery temperature data; the battery temperature data includes: the battery minimum temperature and the battery maximum temperature.

[0091] The temperature adjustment mode determination module 402 is configured to determine a temperature adjustment mode based on a minimum battery temperature.

[0092] The temperature control mode determination module 403 is used to determine the temperature control mode of the liquid cooling system based on the temperature adjustment mode, the maximum battery temperature, and the minimum battery temperature; the temperature control modes include: heating mode, cooling mode, pure heating mode, charge-discharge heating mode, and self-circulation mode.

[0093] The battery temperature control module 404 is used to control the temperature of the battery based on the temperature control mode.

[0094] The intelligent liquid cooling control device provided in the embodiment of the present invention can obtain battery temperature data, determine the temperature adjustment mode based on the minimum temperature of the battery, determine the temperature control mode of the liquid cooling system based on the temperature adjustment mode, the maximum temperature of the battery, and the minimum temperature of the battery, and control the temperature of the battery based on the temperature control mode. In this way, the temperature of the battery can be effectively controlled, thereby effectively extending the service life of the battery.

[0095] In some embodiments, the temperature adjustment mode determination module is also used to determine that if the lowest battery temperature meets a preset first temperature threshold, the temperature adjustment mode is a heating mode; if the lowest battery temperature meets a preset second temperature threshold, the temperature adjustment mode is a cooling mode.

[0096] In some embodiments, the temperature control mode determination module is also used to determine the temperature control mode based on the minimum temperature of the battery if the temperature adjustment mode is the heating mode; if the temperature adjustment mode is the cooling mode, determine the temperature control mode based on the maximum temperature of the battery, the water outlet temperature of the liquid cooling system, and the water outlet target temperature of the liquid cooling system.

[0097] In some embodiments, the temperature control mode determination module is also used to determine that if the lowest battery temperature meets a preset third temperature threshold, the temperature control mode is a pure heating mode; if the lowest battery temperature meets a preset fourth temperature threshold, the temperature control mode is a charge and discharge heating mode.

[0098] In some embodiments, the temperature control mode determination module is also used to determine that the temperature control mode is the self-circulation mode if the maximum temperature of the battery meets a preset fifth temperature threshold; or to determine the temperature difference based on the water outlet temperature and the water outlet target temperature; and to determine the temperature control mode based on the temperature difference.

[0099] In some embodiments, the temperature control mode determination module is also used to determine that the temperature control mode is the self-circulation mode if the temperature difference meets the pre-set sixth temperature threshold; after the self-circulation mode continues for a preset time, if the temperature difference does not meet the pre-set seventh temperature threshold, the self-circulation mode continues.

[0100] In some embodiments, the temperature control mode determination module is further configured to turn off the cooling mode if the temperature difference meets a seventh temperature threshold after the self-circulation mode has been in effect for a preset period of time.

[0101] The device provided in the embodiment of the present invention has the same implementation principle and technical effects as those of the aforementioned method embodiment. For the sake of brief description, for matters not mentioned in the device embodiment, reference may be made to the corresponding contents in the aforementioned method embodiment.

[0102] Example 4

[0103] The embodiment of the present invention also provides an electronic device for running the above intelligent liquid cooling control method; see Figure 6 A structural schematic diagram of an electronic device is shown, which includes a memory 500 and a processor 501, wherein the memory 500 is used to store one or more computer instructions, and the one or more computer instructions are executed by the processor 501 to implement the above-mentioned intelligent liquid cooling control method.

[0104] Further, Figure 6 The electronic device shown further includes a bus 502 and a communication interface 503 , and the processor 501 , the communication interface 503 and the memory 500 are connected via the bus 502 .

[0105] The memory 500 may include a high-speed random access memory (RAM), and may also include a non-volatile memory, such as at least one disk storage. The communication connection between the system network element and at least one other network element is realized through at least one communication interface 503 (which may be wired or wireless), and the Internet, wide area network, local area network, metropolitan area network, etc. may be used. The bus 502 may be an ISA bus, a PCI bus, or an EISA bus, etc. The bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 6 Only one bidirectional arrow is used in the diagram, but this does not mean that there is only one bus or only one type of bus.

[0106] The processor 501 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method can be completed by the hardware integrated logic circuit or software instructions in the processor 501. The above processor 501 can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components. The methods, steps and logic block diagrams disclosed in the embodiments of the present invention can be implemented or executed. The general processor can be a microprocessor or the processor can also be any conventional processor, etc. The steps of the method disclosed in the embodiment of the present invention can be directly embodied as a hardware decoding processor for execution, or a combination of hardware and software modules in the decoding processor for execution. The software module may be located in a storage medium mature in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, etc. The storage medium is located in the memory 500, and the processor 501 reads the information in the memory 500 and completes the steps of the method of the above embodiment in combination with its hardware.

[0107] An embodiment of the present invention also provides a computer-readable storage medium, which stores computer-executable instructions. When the computer-executable instructions are called and executed by a processor, the computer-executable instructions prompt the processor to implement the above-mentioned intelligent liquid cooling control method. The specific implementation can be found in the method embodiment, which will not be repeated here.

[0108] The computer program product for performing the intelligent liquid cooling control method provided in the embodiment of the present invention includes a computer-readable storage medium storing a non-volatile program code executable by a processor. The instructions included in the program code can be used to execute the method described in the previous method embodiment. The specific implementation can be found in the method embodiment, which will not be repeated here.

[0109] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0110] In the several embodiments provided by the present invention, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0111] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0112] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0113] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a non-volatile computer-readable storage medium that is executable by a processor. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0114] Finally, it should be noted that the above-described embodiments are only specific implementations of the present invention, which are used to illustrate the technical solutions of the present invention, rather than to limit them. The protection scope of the present invention is not limited thereto. Although the present invention is described in detail with reference to the above-mentioned embodiments, ordinary technicians in the field should understand that any technician familiar with the technical field can still modify the technical solutions recorded in the above-mentioned embodiments within the technical scope disclosed by the present invention, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. An intelligent liquid cooling control method, characterized in that: The method comprises: Acquire battery temperature data; the battery temperature data includes: the lowest battery temperature and the highest battery temperature; determining a temperature adjustment mode of a liquid cooling system based on the minimum temperature of the battery; Determine a temperature control mode of the liquid cooling system based on the temperature adjustment mode, the maximum temperature of the battery, and the minimum temperature of the battery; the temperature control mode includes: a heating mode, a cooling mode, a pure heating mode, a charge-discharge heating mode, and a self-circulation mode; The temperature of the battery is controlled based on the temperature control mode.

2. The method according to claim 1, characterized in that The determining of the temperature adjustment mode of the liquid cooling system based on the lowest battery temperature includes: If the battery minimum temperature meets a preset first temperature threshold, the temperature adjustment mode is a heating mode; If the lowest battery temperature meets a preset second temperature threshold, the temperature adjustment mode is a cooling mode.

3. The method according to claim 2, characterized in that The determining the temperature control mode of the liquid cooling system based on the temperature adjustment mode, the maximum temperature of the battery, and the minimum temperature of the battery includes: If the temperature adjustment mode is a heating mode, determining the temperature control mode based on the lowest battery temperature; If the temperature adjustment mode is a cooling mode, the temperature control mode is determined based on the maximum temperature of the battery, the outlet water temperature of the liquid cooling system, and the outlet water target temperature of the liquid cooling system.

4. The method according to claim 3, characterized in that The determining the temperature control mode based on the battery minimum temperature includes: If the battery minimum temperature meets a preset third temperature threshold, the temperature control mode is a pure heating mode; If the lowest battery temperature meets a preset fourth temperature threshold, the temperature control mode is a charge-discharge-heating mode.

5. The method according to claim 3, characterized in that: The determining the temperature control mode based on the maximum temperature of the battery, the outlet water temperature of the liquid cooling system, and the outlet water target temperature of the liquid cooling system includes: If the maximum temperature of the battery meets a preset fifth temperature threshold, determining that the temperature control mode is a self-circulation mode; Alternatively, the temperature difference is determined based on the outlet water temperature and the outlet water target temperature; The temperature control mode is determined based on the temperature difference.

6. The method according to claim 5, characterized in that The determining the temperature control mode based on the temperature difference comprises: If the temperature difference meets a preset sixth temperature threshold, determining that the temperature control mode is a self-circulation mode; After the self-circulation mode continues for a preset time, if the temperature difference does not meet the preset seventh temperature threshold, the self-circulation mode continues.

7. The method according to claim 6, characterized in that After continuing the self-circulation mode, the method includes: After the self-circulation mode continues for a preset time, if the temperature difference meets the seventh temperature threshold, the cooling mode is turned off.

8. An intelligent liquid cooling control device, characterized in that: The device comprises: A battery minimum temperature acquisition module is used to acquire battery temperature data; the battery temperature data includes: a battery minimum temperature and a battery maximum temperature; A temperature adjustment mode determination module, used to determine a temperature adjustment mode based on the lowest temperature of the battery; the temperature control modes include: heating mode, cooling mode, pure heating mode, charge-discharge heating mode and self-circulation mode; a temperature control mode determination module, configured to determine a temperature control mode of a liquid cooling system based on the temperature adjustment mode, the maximum battery temperature, and the minimum battery temperature; A battery temperature control module is used to control the temperature of the battery based on the temperature control mode.

9. An electronic device, characterized in that: It comprises a processor and a memory, wherein the memory stores computer executable instructions that can be executed by the processor, and the processor executes the computer executable instructions to implement the intelligent liquid cooling control method according to any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer-executable instructions. When the computer-executable instructions are called and executed by a processor, the computer-executable instructions prompt the processor to implement the intelligent liquid cooling control method according to any one of claims 1 to 7.

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