CN114696000A - Battery cooling system for automobile, control method and device thereof, storage medium and terminal - Google Patents

Battery cooling system for automobile, control method and device thereof, storage medium and terminal Download PDF

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Publication number
CN114696000A
CN114696000A CN202011582121.3A CN202011582121A CN114696000A CN 114696000 A CN114696000 A CN 114696000A CN 202011582121 A CN202011582121 A CN 202011582121A CN 114696000 A CN114696000 A CN 114696000A
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China
Prior art keywords
module
cooling
battery
cooling system
battery cooling
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CN202011582121.3A
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Chinese (zh)
Inventor
曹金辉
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Toyota Motor Corp
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Toyota Motor Corp
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Priority to CN202011582121.3A priority Critical patent/CN114696000A/en
Publication of CN114696000A publication Critical patent/CN114696000A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/63—Control systems
    • H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/667—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an electronic component, e.g. a CPU, an inverter or a capacitor

Abstract

A battery cooling system for an automobile, and a control method, apparatus, storage medium, and terminal thereof, the battery cooling system including a battery module, a triple module, and a cooling module, the method comprising: detecting the working state of the three-in-one module; when the three-in-one module is detected to be started, controlling the cooling module to operate according to a corresponding operation mode according to the system temperature of the battery cooling system so as to cool the battery module and the three-in-one module; different system temperatures correspond to different operation modes, and the refrigeration intensity of the cooling module is different under different operation modules. The scheme of the invention can realize the cooling control of the three-in-one module on the premise of not changing the existing cooling system structure of the automobile, is easy to realize, does not increase extra power consumption, and is favorable for saving energy sources by adjusting the operation mode of the cooling module.

Description

Battery cooling system for automobile, control method and device thereof, storage medium and terminal
Technical Field
The invention relates to the technical field of fuel cell electric automobiles, in particular to a battery cooling system for an automobile, a control method and device thereof, a storage medium and a terminal.
Background
A Fuel Cell Electric Vehicle (FCEV) is a hybrid Vehicle driven by a Fuel Cell and a battery. The three-in-one module is an important part in a charging system of a fuel cell electric vehicle, and integrates a charging function, a Direct Current to Direct Current (DCDC) conversion function and an energy distribution function.
Generally, the charging system must be cooled after being started. If the cooling is not performed at normal temperature, the temperature of the charging plate in the three-in-one module after charging is increased to exceed the limit temperature. At this moment, the output of trinity module can be throttled, influences the charging effect.
To cool the tri-in-one module, a solution commonly adopted by the existing fuel cell electric vehicles is to reuse the tri-in-one module to the existing Power Control Unit (PCU) cooling system of the vehicle.
However, such a solution has a number of drawbacks:
1. the PCU cooling system is not intended to operate during charging of the vehicle because the vehicle is not intended to be driven during charging. However, the three-in-one module is particularly subject to cooling control during vehicle charging, and therefore, the PCU cooling system incorporating the function of cooling the three-in-one module must also operate during vehicle charging phases that would otherwise not be operational. This will undoubtedly result in additional power consumption.
2. The inherent upper temperature limit of the PCU cooling system is about 65 ℃, but the upper dimension of the three-in-one module is about 40 ℃. This results in the PCU cooling system incorporating the functionality of cooling the three-in-one modules having to turn down the upper temperature to meet the cooling requirements of the three-in-one modules, but the PCU cooling system itself need not actually reach such low temperatures.
In conclusion, the existing cooling solution for the three-in-one module of the fuel cell electric vehicle has defects, which lead to unnecessary power consumption and overlarge change on the original system of the vehicle, and is not beneficial to practical realization.
Disclosure of Invention
The invention aims to provide an improved battery cooling system for an automobile, which can realize cooling control of a three-in-one module on the premise of not changing the existing cooling system structure of the automobile.
In order to solve the technical problem, an embodiment of the present invention provides a battery cooling system for an automobile, including a battery module and a cooling module, where the battery module and the cooling module are communicated through a circulation pipeline; further comprising: the three-in-one module is communicated with the cooling module through the circulating pipeline; wherein, the cooling module is used for cooling battery module and trinity module.
Optionally, the cooling module may be switched between a plurality of operation modes, and the cooling module has different refrigeration intensity under different operation modules.
Optionally, the cooling module includes: the water pump is used for driving the refrigerant fluid to circularly flow in the circulating pipeline; a compressor for refrigerating the refrigerant fluid.
Optionally, the cooling module only calls the water pump in the operation mode with low refrigeration intensity, and calls the water pump and the compressor in the operation mode with high refrigeration intensity.
In order to solve the above technical problem, an embodiment of the present invention further provides a method for controlling a battery cooling system for an automobile, where the battery cooling system includes a battery module, a three-in-one module, and a cooling module, and the method for controlling the battery cooling system includes: detecting the working state of the three-in-one module; when the three-in-one module is detected to be started, controlling the cooling module to operate according to a corresponding operation mode according to the system temperature of the battery cooling system so as to cool the battery module and the three-in-one module; different system temperatures correspond to different operation modes, and the refrigeration intensity of the cooling module is different under different operation modules.
Optionally, the trinity module includes charging module and DCDC module, it includes to detect the trinity module starts: detecting activation of either of the charging module and the DCDC module.
Optionally, the controlling the cooling module to operate according to the corresponding operation mode according to the system temperature of the battery cooling system includes: and when the system temperature is higher than a first preset threshold value, controlling the cooling module to operate according to an operation mode with higher refrigeration intensity.
Optionally, the controlling the cooling module to operate according to the corresponding operation mode according to the system temperature of the battery cooling system includes: and when the system temperature is lower than a second preset threshold value, controlling the cooling module to operate according to an operation mode with lower refrigeration intensity.
Optionally, before controlling the cooling module to operate in the corresponding operation mode according to the system temperature of the battery cooling system, the battery cooling system control method further includes: when the initial detection the trinity module starts, control the cooling module is according to the less operation mode operation of refrigeration intensity.
Optionally, the battery cooling system further includes: and the battery module, the three-in-one module and the cooling module are communicated through the circulating pipeline.
Optionally, the cooling module includes: the water pump is used for driving the refrigerant fluid to circularly flow in the circulating pipeline; a compressor for refrigerating the refrigerant fluid.
Optionally, the cooling module only calls the water pump in the operation mode with low refrigeration intensity, and calls the water pump and the compressor in the operation mode with high refrigeration intensity.
Optionally, the vehicle is a fuel cell electric vehicle.
In order to solve the above technical problem, an embodiment of the present invention further provides a battery cooling system control device for an automobile, where the battery cooling system includes a battery module, a three-in-one module, and a cooling module, and the battery cooling system control device includes: the detection module is used for detecting the working state of the three-in-one module; the control module is used for controlling the cooling module to operate according to a corresponding operation mode according to the system temperature of the battery cooling system when detecting that the three-in-one module is started so as to cool the battery module and the three-in-one module; different system temperatures correspond to different operation modes, and the refrigeration intensity of the cooling module is different under different operation modules.
To solve the above technical problem, an embodiment of the present invention further provides a storage medium, on which a computer program is stored, and the computer program executes the steps of the above method when being executed by a processor.
In order to solve the above technical problem, an embodiment of the present invention further provides a terminal, including a memory and a processor, where the memory stores a computer program capable of running on the processor, and the processor executes the steps of the method when running the computer program.
Compared with the prior art, the technical scheme of the embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides a battery cooling system for an automobile, which comprises a battery module and a cooling module, wherein the battery module is communicated with the cooling module through a circulating pipeline; further comprising: the three-in-one module is communicated with the cooling module through the circulating pipeline; wherein, the cooling module is used for cooling battery module and trinity module. Compared with the prior technical scheme that the three-in-one module is multiplexed to the PCU cooling system to realize cooling control, the cooling control of the three-in-one module can be realized on the premise of not changing the structure of the existing cooling system of the automobile, and the cooling control device is easy to realize and does not increase additional power consumption. Particularly, the battery cooling system of multiplexing car carries out cooling control to trinity module, because battery cooling system's upper limit temperature just is less than the upper limit temperature of trinity module originally, consequently need not to adjust battery cooling system's upper limit temperature and can satisfy the cooling demand of trinity module. Wherein, the upper limit temperature refers to the highest temperature which can be tolerated. Furthermore, the battery cooling system is required to be in a working state originally when the automobile is charged, so that the added three-in-one module does not influence the running state of the battery cooling system.
The embodiment of the invention also provides a control method of a battery cooling system for an automobile, wherein the battery cooling system comprises a battery module, a three-in-one module and a cooling module, and the control method of the battery cooling system comprises the following steps: detecting the working state of the three-in-one module; when the three-in-one module is detected to be started, controlling the cooling module to operate according to a corresponding operation mode according to the system temperature of the battery cooling system so as to cool the battery module and the three-in-one module; different system temperatures correspond to different operation modes, and the refrigeration intensity of the cooling module is different under different operation modules. This embodiment can realize the cooling control to trinity module under the prerequisite that does not change the existing cooling system structure of car, easily realizes and can not increase extra consumption, still does benefit to the energy saving to the regulation of cooling module operational mode. Particularly, according to the refrigeration intensity of the system temperature regulation cooling module, the cooling requirement of the battery cooling system with the three-in-one module is met, the refrigeration power consumption can be reduced as much as possible, and the system is energy-saving and environment-friendly.
Drawings
FIG. 1 is a schematic diagram of a battery cooling system for an automobile according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for controlling a battery cooling system for a vehicle according to an embodiment of the present invention;
FIG. 3 is a flow chart of a first exemplary application scenario of an embodiment of the present invention;
FIG. 4 is a flow chart of a second exemplary application scenario of the present invention;
fig. 5 is a schematic structural diagram of a control device of a battery cooling system for an automobile according to an embodiment of the present invention.
Detailed Description
As background art says, there is the defect in the cooling solution of current fuel cell electric automobile to trinity module, leads to unnecessary consumption and to the change of car original system too big, is unfavorable for actual realization.
In order to solve the technical problem, an embodiment of the present invention provides a battery cooling system for an automobile, including a battery module and a cooling module, where the battery module and the cooling module are communicated through a circulation pipeline; further comprising: the three-in-one module is communicated with the cooling module through the circulating pipeline; wherein, the cooling module is used for cooling battery module and trinity module.
The cooling control to the trinity module can be realized under the prerequisite that does not change the existing cooling system structure of car to this embodiment, easily realizes and can not increase extra consumption. Particularly, the battery cooling system of multiplexing car carries out cooling control to trinity module, because battery cooling system's upper limit temperature just is less than the upper limit temperature of trinity module originally, consequently need not to adjust battery cooling system's upper limit temperature and can satisfy the cooling demand of trinity module. Wherein, the upper limit temperature refers to the highest temperature which can be tolerated. Furthermore, the battery cooling system is required to be in a working state originally when the automobile is charged, so that the added three-in-one module does not influence the running state of the battery cooling system.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Fig. 1 is a schematic diagram of a battery cooling system for an automobile according to an embodiment of the present invention.
The vehicle may be a fuel cell electric vehicle, driven by the battery in cooperation with the fuel cell. The battery cooling system may be used at least to cool the battery in order to avoid that the battery (also called battery module, or battery pack) is too hot during charging or the like, which affects the battery performance. For example, the battery may include a plurality of battery modules, each of which includes a plurality of cells.
Specifically, referring to fig. 1, the battery cooling system 100 for an automobile according to the present embodiment may include a battery module 110 (i.e., a storage battery) and a cooling module 120, the battery module 110 and the cooling module 120 being communicated by a circulation line.
For example, the cooling module 120 may be disposed in a temperature control box 130 of the vehicle, and a cooling cycle may be formed between the temperature control box 130 and the battery module 110 through a circulation line. For example, the cooling cycle may be a water cooling cycle, that is, cooling is performed based on a coolant cycle to cool down the battery module 110.
Further, the cooling module 120 may include a water pump 121 for driving the refrigerant fluid to circulate in the circulation line.
Further, the cooling module 120 may include a compressor 122 for refrigerating the refrigerant fluid.
For example, the cooling module 120 may further include a heat exchanger 123, the heat exchanger 123 exchanges heat with the refrigerant fluid flowing from the battery module 110 through the water pump 121 based on the refrigerant provided by the compressor 122, and the cooled refrigerant fluid flows to the battery module 110 again through the circulation pipeline to perform a new heat exchange, so that the cooling effect of the battery cooling system 100 on the battery module 110 is achieved through circulation.
Further, the battery cooling system 100 may include a water tank 140 for storing the refrigerant fluid. For example, the water tank 140 has an outlet end Out In communication with the water pump 121 and an inlet end In communication with the tri-In-one module 160. Water pump 121 operates to draw refrigerant fluid stored In tank 140 from outlet port Out and to promote flow of refrigerant fluid along the circulation line, with refrigerant fluid flowing through the various components being returned to tank 140 via inlet port In.
Further, the temperature adjusting box 130 may include a fan 132 for dissipating heat of the temperature adjusting box 130.
Further, the battery cooling system 100 may include a heating module 131 for warming the battery module 110 in an extremely low temperature environment to improve the power supply performance of the battery module 110 in the extremely low temperature environment. For example, the heating module 131 may be a Positive Temperature Coefficient (PTC) heater. The heating module 131 may be disposed in the temperature adjustment box 130, and an Electronic Control Unit (ECU) of the temperature adjustment box 130 starts the heating module 131 according to a Control command of a Battery Management System (BMS) of the Battery module 110. The heating module 131 may be disposed near the circulation line to achieve an effect of warming the battery module 110 by heating the coolant. The temperature range of the very low temperature environment may be-20 ℃ and below.
Further, the battery cooling system 100 may further include a triple-in-one module 160 communicating with the cooling module 120 through the circulation line. For example, referring to fig. 1, the triple-in-one module 160 may be disposed between the battery module 110 and the temperature adjusting box 130, and all of the three are communicated through a circulation pipe. Thus, the present embodiment enables the cooling module 120 to simultaneously cool the battery module 110 and the triple-in-one module 160 by inserting the triple-in-one module 160 into the battery cooling system 100.
By last, adopt this embodiment, the battery cooling system 100 of multiplexing car carries out cooling control to trinity module 160, because the upper limit temperature of battery cooling system 100 is just lower than the upper limit temperature of trinity module 160 originally, consequently need not to adjust the upper limit temperature of battery cooling system 100 and can satisfy the cooling demand of trinity module 160. Wherein, the upper limit temperature refers to the highest temperature which can be tolerated.
Further, the battery cooling system 100 needs to be in an operating state in the charging process of the vehicle, so the added three-in-one module 160 does not affect the operating state of the battery cooling system 100.
In one implementation, the cooling module 120 may be switched between a plurality of operating modes, with different cooling strengths of the cooling module 120 for different operating modules.
For example, the cooling module 120 may only invoke the water pump 121 in an operation mode with less cooling intensity.
For another example, the cooling module 120 may invoke the water pump 121 and the compressor 122 in an operation mode with a greater cooling intensity.
Further, the amount of cooling intensity required by the battery cooling system 100 may be determined according to the system temperature of the battery cooling system 100. For example, when the system temperature approaches or exceeds the upper limit temperature, it is determined that the cooling module 120 needs to be operated at a greater cooling intensity to enhance the cooling effect on the battery modules 110 and the tri-in-one module 160. For another example, when the system temperature is lower than the upper limit temperature and the difference is large, the cooling module 120 may be operated with a smaller cooling intensity to save energy consumption.
Fig. 2 is a flowchart of a method for controlling a battery cooling system for an automobile according to an embodiment of the present invention.
The control method according to the present embodiment may be used to control the above-described battery cooling system 100 for an automobile shown in fig. 1.
This embodiment may be performed by the BMS of the battery module 110. The BMS of the battery module 110 may perform data interaction with the ECU of the thermo-box 130 to control the operation of the cooling module 120 according to the control method of the present embodiment.
The embodiment can be applied to automobiles in any running state.
Specifically, referring to fig. 2, the method for controlling the battery cooling system according to the present embodiment may include the steps of:
step S101, detecting the working state of the three-in-one module;
step S102, when detecting that the three-in-one module is started, controlling the cooling module to operate according to the corresponding operation mode according to the system temperature of the battery cooling system so as to cool the battery module and the three-in-one module.
Different system temperatures correspond to different operation modes, and the cooling module 120 has different refrigeration intensities under different operation modules.
In one implementation, the tri-in-one module 160 may include a charging module and a DCDC module. The charging module is configured to implement a charging function, for example, the charging module may be an ON-Board Controller (ON-Board Controller, abbreviated as OBC); the DCDC module may be used to implement a DCDC function.
Accordingly, the step S102 of detecting the three-in-one module activation may include: detecting activation of either of the charging module and the DCDC module.
For example, when there is an operation demand for low-voltage devices of the automobile, the BMS of the battery module 110 may transmit a DCDC driving license to the ECU of the tri-in-one module 160. At this time, it may be determined that the DCDC module is started.
For another example, when the charging module needs to be started, the ECU of the tri-in-one module 160 may transmit a charging request to the BMS of the battery module 110. Accordingly, the BMS of the battery module 110 may determine that the charging module is started while returning the charge permission.
Further, whether the charging module or the DCDC module is started, the BMS of the battery module 110 confirms that the cooling module 120 needs to be started.
Further, since the triple-in-one module 160 generates little heat during operation, the system temperature of the battery cooling system 100 does not rise fast. Therefore, the present embodiment separates the start-up timings of the water pump 121 and the compressor 122 to satisfy the cooling demand while saving energy.
For example, when the start of the triple play module 160 is initially detected, the BMS of the battery module 110 may control the cooling module 160 to operate in an operation mode in which the cooling intensity is small. That is, only the water pump 121 may be activated to circulate the refrigerant fluid in the circulation line. Then, as the triple module 160 continuously operates, the BMS of the battery module 110 judges whether the cooling intensity needs to be increased according to the system temperature of the battery cooling system 100.
In one implementation, the system temperature may be characterized based on a temperature of the refrigerant fluid within the circulation line. For example, a temperature sensor may be disposed in the circulation line, and the BMS of the battery module 110 acquires a result collected by the temperature sensor and transmits the result to the BMS of the battery module 110.
Specifically, the step S102 may include the steps of: when the system temperature is higher than a first preset threshold, the cooling module 120 is controlled to operate in an operation mode with a higher refrigeration intensity. That is, at this time, the compressor 122 is also started to increase the cooling intensity on the basis of keeping the water pump 121 started.
In one implementation, the BMS of the battery module 110 may continue to monitor the system temperature of the battery cooling system 100 after increasing the cooling intensity to adjust the cooling intensity downward at an appropriate time after the system temperature has fallen back.
Specifically, the step S102 may include the steps of: and when the system temperature is lower than a second preset threshold, controlling the cooling module 120 to operate in an operation mode with lower refrigeration intensity. For example, compressor 122 is turned off, and only water pump 121 is maintained in operation.
Further, the second preset threshold is lower than the first preset threshold. For example, the first preset threshold may be equal to or less than the upper limit temperature.
By the above, by adopting the embodiment, the cooling control of the three-in-one module 160 can be realized on the premise of not changing the existing cooling system structure of the automobile, the realization is easy, the additional power consumption is not increased, and the adjustment of the operation mode of the cooling module 120 is also beneficial to energy conservation. Particularly, according to the refrigeration intensity of the system temperature regulation cooling module 120, the cooling requirement of the battery cooling system 100 after the three-in-one module 160 is increased can be met, the refrigeration power consumption can be reduced as much as possible, and the system is energy-saving and environment-friendly.
Fig. 3 is a flowchart of a first exemplary application scenario of the embodiment of the present invention. The present application is exemplarily illustrated with respect to cooling control during charging of a car.
Specifically, referring to fig. 3, the external power source charges the car through the charging gun, and at this time, the ECU of the triple-play module 160 determines to activate the charging module (i.e., OBC).
Further, the ECU of the tri-in-one module 160 transmits a charging request to the BMS of the battery module 110. In response to receiving the charging request, the BMS of the battery module 110 starts and feeds back the charging permission.
While feeding back the charge permission, the BMS of the battery module 110 sends a control command to the ECU of the temperature adjusting box 130 to control the ECU of the temperature adjusting box 130 to start the water pump 121.
In response to receiving a control command to activate the water pump, the ECU of the thermostat 130 activates the water pump 121 to form a circulation of refrigerant fluid in the circulation line, thereby taking away heat generated by the triple-in-one module 160 during charging.
Further, the BMS of the battery module 110 may continuously monitor the water temperature (i.e., the system temperature of the battery cooling system 100) and determine whether the compressor 122 needs to be activated according to whether the water temperature reaches a first preset threshold. In this application scenario, the first preset threshold is assumed to be 30 ℃.
If the currently monitored water temperature reaches 30 ℃, the BMS of the battery module 110 transmits a control command to the ECU of the temperature adjusting box 130 to control the ECU of the temperature adjusting box 130 to start the compressor 122.
In response to receiving a control command to activate the water pump, the ECU of the thermostat 130 activates the compressor 122 to enhance the cooling effect.
Further, during the charging of the vehicle, the BMS of the battery module 110 may continuously monitor the water temperature and send a control command to the ECU of the thermostat 130 to control the ECU of the thermostat 130 to turn off the compressor 122 when the water temperature falls to a second preset threshold. The water pump 121 is still on for water circulation. In the present application scenario, the second preset threshold is assumed to be 15 ℃.
During charging of the Vehicle in this application, a demand for electricity may be generated by low-voltage components on the Vehicle, and an ECU (e.g., a Hybrid-Electronic Control Unit (HV-ECU)) of the Vehicle controls the ECU of the three-in-one module 160 to start the DCDC module. Accordingly, the BMS of the battery module 110 transmits the DCDC module start permission to the triple play module 160. Meanwhile, if the water pump 121 is not yet turned on, the ECU controlling the thermostat 130 starts the water pump 121.
Fig. 4 is a flow chart of a second exemplary application scenario of the present invention. The present application scenario is exemplarily illustrated with respect to cooling control during driving of an automobile.
Specifically, referring to fig. 4, the ignition command is triggered by the ignition of the vehicle, and the ECU (HV-ECU) of the vehicle is started and controls the BMS of the battery module 110 to be started.
When there is an operation demand for the on-vehicle low-voltage devices, the HV-ECU detects the demand and controls the ECU of the battery module 110 to issue a DCDC start permission to the ECU of the three-in-one module 160. Meanwhile, the BMS of the battery module 110 transmits a control command to the ECU of the thermostat 130 to control the ECU of the thermostat 130 to start the water pump 121.
In response to receiving a control command to activate the water pump, the ECU of the thermostat 130 activates the water pump 121 to form a circulation of refrigerant fluid in the circulation line, thereby taking away heat generated by the triple-in-one module 160 during the operation of the DCDC module.
Further, the BMS of the battery module 110 may continuously monitor the water temperature (i.e., the system temperature of the battery cooling system 100) and determine whether the compressor 122 needs to be activated according to whether the water temperature reaches a first preset threshold. In this application scenario, it is assumed that the first preset threshold is 30 ℃.
If the currently monitored water temperature reaches 30 ℃, the BMS of the battery module 110 transmits a control command to the ECU of the thermostat 130 to control the ECU of the thermostat 130 to start the compressor 122.
In response to receiving a control command to activate the water pump, the ECU of the thermostat 130 activates the compressor 122 to enhance the cooling effect.
Further, during the driving of the vehicle, the BMS of the battery module 110 may continuously monitor the water temperature and send a control command to the ECU of the thermostat 130 when the water temperature drops to a second preset threshold value to control the ECU of the thermostat 130 to turn off the compressor 122. The water pump 121 is still on for water circulation. In the present application scenario, the second preset threshold is assumed to be 15 ℃.
The application scene can be more widely applied to the operation period of the automobile, including the scenes that the automobile does not run but the DCDC module needs to run, such as the air conditioner is stopped and started, and also including the non-ignition scene of the automobile.
Fig. 5 is a schematic structural diagram of a control device of a battery cooling system for an automobile according to an embodiment of the present invention. It is understood by those skilled in the art that the control device 5 of the battery cooling system for an automobile according to the present embodiment can be used to implement the method solution described in the embodiment of fig. 2.
Specifically, the battery cooling system includes a battery module, a triple module, and a cooling module.
Further, referring to fig. 5, the battery cooling system control device 5 for the automobile according to the present embodiment may include: the detection module 51 is used for detecting the working state of the three-in-one module; a control module 52 for controlling the cooling module to operate according to a corresponding operation mode according to the system temperature of the battery cooling system when detecting the start of the triple-in-one module, so as to cool the battery module and the triple-in-one module; different system temperatures correspond to different operation modes, and the refrigeration intensity of the cooling module is different under different operation modules.
For more details of the operation principle and the operation mode of the battery cooling system control device 5 for an automobile, reference may be made to the description of the method in fig. 2, and further description is omitted here.
Further, the embodiment of the present invention also discloses a storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method technical solution described in the embodiment shown in fig. 2 is executed. Preferably, the storage medium may include a computer-readable storage medium such as a non-volatile (non-volatile) memory or a non-transitory (non-transient) memory. The storage medium may include ROM, RAM, magnetic or optical disks, etc.
Further, an embodiment of the present invention further discloses a terminal, which includes a memory and a processor, where the memory stores a computer program capable of running on the processor, and the processor executes the technical solution of the method in the embodiment shown in fig. 2 when running the computer program. Specifically, the terminal may be a BMS of the battery module.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (16)

1. A battery cooling system for an automobile comprises a battery module and a cooling module, wherein the battery module and the cooling module are communicated through a circulating pipeline;
it is characterized by also comprising:
the three-in-one module is communicated with the cooling module through the circulating pipeline;
wherein, the cooling module is used for cooling battery module and trinity module.
2. The battery cooling system according to claim 1, wherein the cooling module is switchable between a plurality of operating modes, the cooling module having different cooling strengths for different operating modules.
3. The battery cooling system according to claim 1 or 2, wherein the cooling module includes:
the water pump is used for driving the refrigerant fluid to circularly flow in the circulating pipeline;
a compressor for refrigerating the refrigerant fluid.
4. The battery cooling system according to claim 3, wherein the cooling module invokes only the water pump in the less intensive cooling mode of operation and invokes the water pump and compressor in the more intensive cooling mode of operation.
5. A battery cooling system control method for an automobile, the battery cooling system including a battery module, a triple module, and a cooling module, the battery cooling system control method comprising:
detecting the working state of the three-in-one module;
when the three-in-one module is detected to be started, controlling the cooling module to operate according to a corresponding operation mode according to the system temperature of the battery cooling system so as to cool the battery module and the three-in-one module;
different system temperatures correspond to different operation modes, and the refrigeration intensity of the cooling module is different under different operation modules.
6. The battery cooling system control method of claim 5, wherein the tri-in-one module includes a charging module and a DCDC module, and the detecting the activation of the tri-in-one module includes: detecting activation of either of the charging module and the DCDC module.
7. The battery cooling system control method according to claim 5, wherein the controlling the cooling module to operate in the corresponding operation mode according to the system temperature of the battery cooling system comprises:
and when the system temperature is higher than a first preset threshold value, controlling the cooling module to operate according to an operation mode with higher refrigeration intensity.
8. The battery cooling system control method according to claim 5, wherein the controlling the cooling module to operate in the corresponding operation mode according to the system temperature of the battery cooling system comprises:
and when the system temperature is lower than a second preset threshold value, controlling the cooling module to operate according to an operation mode with lower refrigeration intensity.
9. The battery cooling system control method according to claim 5, before controlling the cooling module to operate in the corresponding operation mode according to the system temperature of the battery cooling system, further comprising:
when the initial detection the trinity module starts, control the cooling module is according to the less operation mode operation of refrigeration intensity.
10. The battery cooling system control method according to claim 5, wherein the battery cooling system further includes:
and the battery module, the three-in-one module and the cooling module are communicated through the circulating pipeline.
11. The battery cooling system control method according to claim 10, wherein the cooling module includes:
the water pump is used for driving the refrigerant fluid to circularly flow in the circulating pipeline;
a compressor for refrigerating the refrigerant fluid.
12. The battery cooling system control method according to claim 11, wherein the cooling module calls only the water pump in an operation mode with a low cooling intensity, and calls the water pump and the compressor in an operation mode with a high cooling intensity.
13. The battery cooling system control method according to any one of claims 5 to 12, wherein the vehicle is a fuel cell electric vehicle.
14. The utility model provides a battery cooling system controlling means for car which characterized in that, battery cooling system includes battery module, trinity module and cooling module, battery cooling system controlling means includes:
the detection module is used for detecting the working state of the three-in-one module;
the control module is used for controlling the cooling module to operate according to a corresponding operation mode according to the system temperature of the battery cooling system when detecting that the three-in-one module is started so as to cool the battery module and the three-in-one module;
different system temperatures correspond to different operation modes, and the refrigeration intensity of the cooling module is different under different operation modules.
15. A storage medium having a computer program stored thereon, the computer program, when being executed by a processor, performing the steps of the method according to any of the claims 5 to 13.
16. A terminal comprising a memory and a processor, the memory having stored thereon a computer program operable on the processor, wherein the processor, when executing the computer program, performs the steps of the method of any of claims 5 to 13.
CN202011582121.3A 2020-12-28 2020-12-28 Battery cooling system for automobile, control method and device thereof, storage medium and terminal Pending CN114696000A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011582121.3A CN114696000A (en) 2020-12-28 2020-12-28 Battery cooling system for automobile, control method and device thereof, storage medium and terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011582121.3A CN114696000A (en) 2020-12-28 2020-12-28 Battery cooling system for automobile, control method and device thereof, storage medium and terminal

Publications (1)

Publication Number Publication Date
CN114696000A true CN114696000A (en) 2022-07-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011582121.3A Pending CN114696000A (en) 2020-12-28 2020-12-28 Battery cooling system for automobile, control method and device thereof, storage medium and terminal

Country Status (1)

Country Link
CN (1) CN114696000A (en)

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