阅读说明：本技术 电池冷却液漏液检测方法、装置及相关设备 (Battery cooling liquid leakage detection method and device and related equipment ) 是由 郑银俊 吴春宇 王勇 姚伟浩 唐湘波 王清泉 于 2020-05-27 设计创作，主要内容包括：本发明实施例提供一种电池冷却液漏液检测方法、装置及相关设备,属于电池管理技术。用于解决现有技术无法及时、全面地检测出冷却液泄漏的技术问题。上述电池冷却液漏液检测方法包括：通过设置于电池包内部的监测单元实时检测电池的性能参数；通过液位传感器实时检测外部冷却壶中冷却液的液位,用于冷却该电池的外部冷却液系统中设有该冷却壶；根据实时检测的该冷却液的液位计算该冷却壶中该冷却液的液位的变化量；根据该性能参数和该冷却液的液位的变化量判断该电池的冷却液是否泄漏；当判断该电池的冷却液泄漏时,发出报警提醒。本发明另提供了电池冷却液漏液检测装置、处理单元及计算机可读存储介质。(The embodiment of the invention provides a method and a device for detecting leakage of battery cooling liquid and related equipment, and belongs to the battery management technology. The method is used for solving the technical problem that the leakage of the cooling liquid cannot be timely and comprehensively detected in the prior art. The battery coolant leakage detection method comprises the following steps: detecting the performance parameters of the battery in real time through a monitoring unit arranged in the battery pack; detecting the liquid level of cooling liquid in an external cooling pot in real time through a liquid level sensor, wherein the cooling pot is arranged in an external cooling liquid system for cooling the battery; calculating the variable quantity of the liquid level of the cooling liquid in the cooling kettle according to the liquid level of the cooling liquid detected in real time; judging whether the cooling liquid of the battery leaks or not according to the performance parameter and the variation of the liquid level of the cooling liquid; and when the leakage of the cooling liquid of the battery is judged, an alarm prompt is sent. The invention further provides a battery cooling liquid leakage detection device, a processing unit and a computer readable storage medium.)

1. A battery coolant leakage detection method, comprising:

detecting the performance parameters of the battery in real time through a monitoring unit arranged in the battery pack;

detecting the liquid level of cooling liquid in an external cooling pot in real time through a liquid level sensor, wherein the cooling pot is arranged in an external cooling liquid system for cooling the battery;

calculating the variable quantity of the liquid level of the cooling liquid in the cooling kettle according to the liquid level of the cooling liquid detected in real time;

judging whether the cooling liquid of the battery leaks or not according to the performance parameters and the variation of the liquid level of the cooling liquid;

and when the leakage of the cooling liquid of the battery is judged, an alarm prompt is sent.

2. The battery coolant leakage detection method according to claim 1, wherein the step of determining whether the coolant of the battery leaks or not based on the performance parameter and the amount of change in the liquid level of the coolant includes:

when the variation of the liquid level is larger than a preset threshold range and the performance parameters of the battery are normal, judging that the cooling liquid outside the battery leaks;

and when the variation of the liquid level is larger than a preset threshold range and the performance parameters of the battery are abnormal, judging that the cooling liquid in the battery leaks.

3. The method of claim 2, wherein the performance parameters of the battery include temperature, voltage, and resistance of the battery, and the step of determining leakage of the cooling fluid outside the battery further comprises:

when the variation of the liquid level is larger than a preset threshold range and the temperature, the voltage and the resistance of the battery are normal, judging that cooling liquid outside the battery leaks;

the step of determining the leakage of the coolant inside the battery further includes:

and when the variation of the liquid level is larger than a preset threshold range and the temperature, the voltage and the resistance of the battery are all abnormal, judging that the cooling liquid in the battery leaks.

4. The battery coolant leakage detection method according to claim 3, further comprising:

detecting the temperatures of different positions in the battery through a plurality of temperature monitoring units, and taking the average value of the temperatures detected by the temperature monitoring units as the temperature of the battery;

detecting the voltage of the battery through a plurality of voltage monitoring units, and taking the average value of the voltages detected by the voltage monitoring units as the voltage of the battery;

the internal resistance of the battery is detected through a plurality of internal resistance monitoring units, and the average value of the internal resistances detected by the internal resistance monitoring units is used as the internal resistance of the battery.

5. The battery coolant leakage detection method according to any one of claims 1 to 4, further comprising:

detecting the liquid level of cooling liquid at different positions in the external cooling kettle in real time through a plurality of liquid level sensors;

and determining the liquid level of the cooling liquid in the cooling kettle by the average value of the liquid levels detected by the liquid level sensors.

6. The battery cooling liquid leakage detection device is characterized by further comprising at least one liquid level sensor, wherein the at least one liquid level sensor is connected with the processing unit and uniformly arranged in a cooling kettle of an external cooling liquid system, and the liquid level sensor is used for detecting the liquid level of cooling liquid in the cooling kettle of the external cooling liquid system and sending a detection result to the processing unit;

the processing unit is used for judging whether the cooling liquid of the battery leaks or not according to the performance parameters of the battery fed back by the monitoring unit and the liquid level fed back by the liquid level sensor.

7. The battery coolant leakage detection device of claim 6, further comprising an alarm unit and a diagnostic instrument, wherein the alarm unit is connected with the processing unit, and the diagnostic instrument is respectively connected with the processing unit and the alarm unit;

the processing unit is also used for controlling the alarm unit to send out alarm prompt when judging that the cooling liquid of the battery leaks;

the diagnostic instrument is used for judging the leakage position of the cooling liquid of the battery according to the performance parameters of the battery fed back by the monitoring unit and the liquid level fed back by the liquid level sensor during leakage when the processing unit judges the leakage of the cooling liquid of the battery;

the alarm unit is also used for alarming the leakage position of the cooling liquid of the battery.

8. The battery coolant leakage detection device of claim 7, wherein the monitoring unit comprises at least one temperature monitoring unit, at least one voltage monitoring unit, and at least one internal resistance monitoring unit, the at least one temperature monitoring unit, the at least one voltage monitoring unit, and the at least one internal resistance monitoring unit are all connected with the processing unit;

the temperature monitoring unit is used for detecting the temperature of the battery;

the voltage monitoring unit is used for detecting the voltage of the battery;

the internal resistance monitoring unit is used for detecting the internal resistance of the battery.

9. A processing unit comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the battery coolant leakage detection method according to any one of claims 1 to 5 when executing the program.

10. A computer-readable storage medium having stored thereon a computer program, wherein the program, when executed by a processor, implements the steps in the battery coolant leakage detection method according to any one of claims 1 to 5.

Technical Field

The invention relates to the technical field of battery management, in particular to a battery coolant leakage detection method, a battery coolant leakage detection device, a battery coolant leakage processing unit and a storage medium.

Background

Because the problems of energy cost rise and environmental pollution become more serious, the pure electric vehicles and the hybrid electric vehicles are valued by governments and various automobile enterprises because of the advantages of being capable of greatly eliminating tail gas emission and even zero-emission automobile tail gas. The battery is used as a main energy storage element on the electric automobile, is a key component of the electric automobile, and directly influences the performance of the electric automobile. The battery can produce a large amount of heats at the during operation, need in time cool down the battery. In the prior art, a cooling system is often adopted to cool the battery. The cooling system takes away the heat of the battery module by injecting cooling liquid into a liquid level pipeline arranged in the battery pack.

In the use process of the electric automobile, especially after many years, the cooling liquid is easy to leak, if the leakage point is in the battery pack, the cooling liquid damages the battery and the electric loop, the normal electricity utilization is influenced, and even smoke, fire and explosion can occur.

Whether the automobile battery leaks for the judgement that can be timely, current solution is wrapped up moisture absorption subassembly in the easy spot department that leaks of coolant liquid, and moisture detector sets up in moisture absorption subassembly, and moisture detector sends the humidity that detects to the process control ware, and this process control ware judges the battery weeping when the humidity that moisture detector detected is unusual.

The conventional battery coolant leakage detection method cannot timely detect the leakage of the battery coolant under the similar conditions, and the leakage of the coolant can only be detected until the coolant leaked from the position where the coolant actually leaks spreads to the leakage-prone point where the moisture absorption component is set.

Disclosure of Invention

The embodiment of the invention provides a battery cooling liquid leakage detection method, a battery cooling liquid leakage detection device, a battery cooling liquid leakage detection processing unit and a battery cooling liquid leakage detection storage medium, and aims to solve the technical problem that the leakage of cooling liquid cannot be detected timely and comprehensively in the prior art.

According to one aspect of the invention, a battery coolant leakage detection method is provided, which comprises the following steps:

detecting the performance parameters of the battery in real time through a monitoring unit arranged in the battery pack;

detecting the liquid level of cooling liquid in an external cooling pot in real time through a liquid level sensor, wherein the cooling pot is arranged in an external cooling liquid system for cooling the battery;

calculating the variable quantity of the liquid level of the cooling liquid in the cooling kettle according to the liquid level of the cooling liquid detected in real time;

judging whether the cooling liquid of the battery leaks or not according to the performance parameter and the variation of the liquid level of the cooling liquid;

and when the leakage of the cooling liquid of the battery is judged, an alarm prompt is sent.

According to another aspect of the invention, a battery coolant leakage detection device is provided, which comprises a processing unit and a monitoring unit, wherein the monitoring unit is connected with the processing unit, the monitoring unit is arranged inside a battery, the battery is cooled through a circulation loop in a coolant system, the battery leakage detection device further comprises at least one liquid level sensor, the at least one liquid level sensor is connected with the processing unit, the liquid level sensors are uniformly arranged in a cooling pot of an external coolant system, and the liquid level sensor is used for detecting the liquid level of coolant in the cooling pot of the external coolant system and sending a detection result to the processing unit;

the processing unit is used for judging whether the cooling liquid of the battery leaks or not according to the performance parameters of the battery fed back by the monitoring unit and the liquid level fed back by the liquid level sensor.

The invention also provides a processing unit which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor executes the program to realize the battery coolant leakage detection method.

The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps in the above-described battery coolant leakage detection method.

According to the battery cooling liquid leakage detection method, the device, the processing unit and the storage medium, the liquid level sensor is arranged in the cooling kettle of the external cooling liquid system for cooling the battery, analysis is carried out according to the liquid level detected by the liquid level sensor and the battery performance parameters detected by the monitoring unit in the battery, whether the cooling liquid of the battery leaks or not is judged, and an alarm prompt is sent out in time when the cooling liquid leakage of the battery is judged, so that a user can know the leakage condition of the cooling liquid as soon as possible, and the user can take necessary measures in time. The battery coolant leakage detection method is obtained by acquiring the liquid level in the cooling kettle in real time according to the liquid level sensor arranged in the cooling kettle and judging, and the liquid level of the coolant in the cooling kettle can be changed no matter the coolant in the battery leaks or the coolant outside the battery leaks.

Drawings

FIG. 1 is a flow chart of a battery coolant leak detection method according to one embodiment of the present invention;

FIG. 2 is a flow chart of a battery coolant leak detection method according to another embodiment of the present invention;

FIG. 3 is a flowchart illustrating steps for determining a location of a battery leak according to one embodiment of the present invention;

FIG. 4 is a schematic view of an environment in which a level sensor is disposed according to one embodiment of the present invention;

fig. 5 is a block diagram illustrating an exemplary structure of a battery coolant leakage detecting apparatus according to an embodiment of the present invention;

fig. 6 is a schematic diagram of the internal structure of a processing unit according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 is a flowchart of a battery coolant leakage detection method according to an embodiment of the present invention, and the battery coolant leakage detection method according to an embodiment of the present invention is described in detail below with reference to fig. 1, and as shown in fig. 1, the method includes the following steps S101 to S105.

And S101, detecting the performance parameters of the battery in real time through a monitoring unit arranged in the battery pack.

Wherein, can select to use the original monitoring unit real-time detection battery's of battery package module performance parameter. In one embodiment, the monitoring unit includes, but is not limited to, a voltage monitoring unit, a temperature monitoring unit, and an internal resistance monitoring unit.

In one embodiment, the performance parameters of the battery include temperature, voltage, and resistance of the battery.

Optionally, the monitoring unit includes a temperature monitoring unit, a voltage monitoring unit, and an internal resistance monitoring unit, and further, the step specifically includes:

detecting the temperatures of different positions in the battery through a plurality of temperature monitoring units, and taking the average value of the temperatures detected by the temperature monitoring units as the temperature of the battery;

detecting the voltage of the battery through a plurality of voltage monitoring units, and taking the average value of the voltages detected by the voltage monitoring units as the voltage of the battery;

the internal resistance of the battery is detected by a plurality of internal resistance monitoring units, and the average value of the internal resistances detected by the internal resistance monitoring units is used as the internal resistance of the battery. In one embodiment, the internal resistance monitoring unit may be an insulated internal resistance sensor.

In one embodiment, the temperature, voltage and internal resistance are preferably determined from data at least three points, reducing systematic errors.

S102, detecting the liquid level of cooling liquid in an external cooling pot in real time through a liquid level sensor, wherein the cooling pot is arranged in an external cooling liquid system for cooling the battery.

In one embodiment, the steps further comprise:

detecting the liquid levels of the cooling liquid at different positions in the external cooling kettle in real time through a plurality of liquid level sensors;

and determining the liquid level of the cooling liquid in the cooling kettle by averaging the liquid levels detected by the liquid level sensors.

In one embodiment, four level sensors are provided.

Because under the operating mode circumstances of difference, the liquid level change of every point is different in the cooling kettle, sets up four liquid level change detecting element and can satisfy the monitoring under the different operating modes, improves the reliability of sampling. The liquid level change is not single-point acquisition, and misjudgment can be avoided.

S103, calculating the variation of the liquid level of the cooling liquid in the cooling kettle according to the liquid level of the cooling liquid detected in real time.

In one embodiment, the amount of change of the cooling liquid in the cooling kettle can be obtained by subtracting the liquid level of the cooling liquid at the initial moment from the liquid level of the cooling liquid at the current moment.

And S104, judging whether the cooling liquid of the battery leaks or not according to the performance parameter and the variation of the liquid level of the cooling liquid.

In one embodiment, the step of determining whether the coolant of the battery leaks according to the performance parameter and the variation of the liquid level of the coolant includes:

and judging whether the variation of the liquid level of the cooling liquid exceeds a preset threshold value, if so, judging that the cooling liquid of the battery leaks, further judging whether the performance parameters of the battery are normal, if so, judging that the cooling liquid outside the battery leaks, and otherwise, judging that the cooling liquid inside the battery leaks.

In one embodiment, the amount of change in the cooling liquid in the cooling kettle and the performance parameter can be calibrated by percentage. The preset threshold of the variation may also be calibrated by a percentage.

And S105, when the leakage of the cooling liquid of the battery is judged, giving an alarm prompt.

In one embodiment, the alarm prompt may be a flashing prompt of an indicator light, a buzzer sound sent by a speaker, or an alarm display prompt sent to other display devices.

According to the battery coolant leakage detection method provided by the embodiment, the liquid level sensor is arranged in the cooling kettle of the external coolant system for cooling the battery, and meanwhile, analysis is carried out according to the liquid level detected by the liquid level sensor and the battery performance parameters detected by the monitoring unit in the battery, whether the coolant of the battery leaks or not is judged, and an alarm is timely sent out to remind a user of knowing the leakage condition of the coolant as soon as possible when the coolant of the battery leaks, so that the user can timely give necessary measures. The battery coolant leakage detection method is obtained by acquiring the liquid level in the cooling kettle in real time according to the liquid level sensor arranged in the cooling kettle and judging, and the liquid level of the coolant in the cooling kettle can be changed no matter the coolant in the battery leaks or the coolant outside the battery leaks.

Fig. 2 is a flowchart of a method for detecting leakage of battery coolant according to another embodiment of the present invention, as shown in fig. 2, the method further includes the following steps S201 and S202 in the step S104 based on the steps S101 to S103 and S105.

S201, when the variation of the liquid level is larger than a preset threshold range and the performance parameters of the battery are normal, judging that the cooling liquid outside the battery leaks.

S202, when the variation of the liquid level is larger than a preset threshold range and the performance parameters of the battery are abnormal, judging that the cooling liquid in the battery leaks.

Further, the performance parameters of the battery include the temperature, voltage, and resistance of the battery.

As shown in fig. 3, the step of determining the leakage of the coolant outside the battery in step S201 further includes:

and when the variation of the liquid level is larger than a preset threshold range and the temperature, the voltage and the resistance of the battery are normal, judging that the cooling liquid outside the battery leaks.

The step of determining the leakage of the coolant inside the battery in the step S202 further includes:

and when the variation of the liquid level is larger than a preset threshold range and the temperature, the voltage and the resistance of the battery are all abnormal, judging that the cooling liquid in the battery leaks.

The method for detecting the leakage of the battery coolant provided by the embodiment can detect whether the coolant of the battery leaks or not, and can also detect whether the leakage position of the coolant is in the battery or in the battery, and because the damage of the internal leakage to the battery is larger, the risks of short circuit, combustion and explosion are larger, and when the leakage of the coolant in the battery is detected in time, a user is reminded to enable the user to repair or replace the battery as soon as possible, so that the safety of the battery is improved.

According to an example of this embodiment, the reference numerals of the steps S101 to S106 are not used to limit the sequence of the steps in this embodiment, and the number of each step is only used to make the reference numeral that refers to the step in common when describing each step conveniently, for example, the step S101 may be before the step S102, or may be after the step S102, as long as the order of execution of each step does not affect the logical relationship in this embodiment.

Fig. 5 is a block diagram illustrating an exemplary structure of a battery coolant leakage detection apparatus according to an embodiment of the present invention, which is described in detail below with reference to fig. 5, and as shown in fig. 5, the battery coolant leakage detection apparatus includes a processing unit and a monitoring unit, the monitoring unit is connected to the processing unit, the monitoring unit is disposed inside a battery, the battery is cooled by a circulation loop in a coolant system, and at least one liquid level sensor is connected to the processing unit, the liquid level sensors are uniformly disposed in a cooling pot of the external coolant system, and the liquid level sensor is configured to detect a liquid level of coolant in the cooling pot of the external coolant system in real time and send a detection result to the processing unit;

the processing unit is used for judging whether the cooling liquid of the battery leaks or not according to the performance parameters of the battery fed back by the monitoring unit and the liquid level fed back by the liquid level sensor.

Optionally, the battery coolant leakage detection device further comprises an alarm unit and a diagnostic instrument, wherein the alarm unit is connected with the processing unit, and the diagnostic instrument is respectively connected with the processing unit and the alarm unit;

the processing unit is also used for controlling the alarm unit to send out alarm prompt when judging that the cooling liquid of the battery leaks;

the diagnostic device is used for judging the leakage position of the cooling liquid of the battery according to the performance parameters of the battery fed back by the monitoring unit and the liquid level fed back by the liquid level sensor during liquid leakage when the processing unit judges the leakage of the cooling liquid of the battery;

the alarm unit is also used for alarming the position of the leakage of the cooling liquid of the battery.

In one embodiment, four level sensors are provided.

Because under the operating mode circumstances of difference, the liquid level change of every point is different in the cooling kettle, sets up four liquid level change detecting element and can satisfy the monitoring under the different operating modes, improves the reliability of sampling. The liquid level change is not single-point acquisition, and misjudgment can be avoided.

Fig. 4 is a schematic diagram of an arrangement environment of a liquid level sensor according to an embodiment of the invention, as shown in fig. 4, the liquid level sensor 01 is arranged in cooling water of a cooling pot 02, the cooling pot 02 is communicated with a cooling pipeline 04 inside a battery, and the cooling water circulates in the cooling pot 02 and the cooling pipeline 04 to take away heat of the battery.

Further optionally, the monitoring unit includes at least one temperature monitoring unit, at least one voltage monitoring unit, and at least one internal resistance monitoring unit, and the at least one temperature monitoring unit, the at least one voltage monitoring unit, and the at least one internal resistance monitoring unit are all connected to the processing unit.

The temperature monitoring unit is used for detecting the temperature of the battery;

the voltage monitoring unit is used for detecting the voltage of the battery;

the internal resistance monitoring unit is used for detecting the internal resistance of the battery.

In one embodiment, the temperature monitoring unit, the voltage monitoring unit and the internal resistance monitoring unit share the original monitoring unit in the battery pack. Preferably, the temperature monitoring units are provided with at least three, the voltage monitoring units are provided with at least three, and the voltage monitoring units are provided with at least three.

In one embodiment, the temperature monitoring unit, the voltage monitoring unit and the internal resistance monitoring unit are arranged in each battery module and used for monitoring the temperature, the voltage and the internal resistance of the batteries in the module in real time. Each temperature monitoring unit, each voltage monitoring unit and each internal resistance monitoring unit are connected with the processing unit. The diagnostic device can timely respond according to the alarm signal given by the processing unit and accurately output the position of the leakage point so that maintenance personnel can eliminate safety risks at the first time, wherein the voltage monitoring unit and the internal resistance monitoring unit can comprehensively assist the leak detection system in judging.

In one embodiment, the liquid level sensor, the temperature monitoring unit, the voltage monitoring unit and the internal resistance monitoring unit are all mounted on at least one group of system bus connected with the processing unit, and the processing unit obtains the liquid level detected by the liquid level sensor, the temperature of the battery detected by the temperature monitoring unit, the voltage detected by the voltage monitoring unit and the internal resistance of the battery detected by the internal resistance monitoring unit by reading signals on the system bus.

In one embodiment, the internal resistance monitoring unit may be an insulated internal resistance sensor.

One usage scenario according to the present embodiment is for example: the processing unit compares the monitored data with the set threshold value by setting a certain threshold value, if the monitored data is larger than the set threshold value, an alarm signal is output to the alarm unit, the position of the leakage point cannot be known clearly, at this time, the alarm signal output by the processing unit needs to be diagnosed by connecting a diagnostic instrument, and if the liquid level change exceeds the threshold value, the temperature, the voltage and the internal resistance also exceed the threshold value, the leakage point can be judged to be the internal cooling liquid leakage; and if the liquid level change exceeds the threshold value, the temperature, the voltage and the internal resistance are normal, and the judgment is that the cooling liquid outside the battery leaks.

Furthermore, the terms "comprises" and "comprising," and any variations thereof, in the above-described embodiments are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or modules is not necessarily limited to those steps or modules explicitly listed, but may include other steps or modules not explicitly listed or inherent to such process, method, article, or apparatus, and the division of modules presented in this application is merely a logical division and may be implemented in an actual application in another manner.

The present embodiment is further configured to provide a processing unit, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the program to implement the steps of the battery coolant leakage detection method, such as steps 101 to 106 shown in fig. 1 and other extensions of the method and extensions of related steps, which are not described herein again.

In one embodiment, an internal block diagram of a processing unit may be provided as shown in FIG. 6. The processing unit includes a processor, a memory, and an input/output interface connected by a system bus. Wherein the processor of the processing unit is configured to provide computational and control capabilities. The memory of the processing unit comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the processing unit is used for storing data related to the battery coolant leakage detection method. The processing unit and the input/output interface are used for acquiring performance parameters of the battery and acquiring the liquid level of cooling liquid in the cooling kettle. The computer program is executed by a processor to implement a performance parameter of a battery.

The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like that is the control center for the processing unit and that connects the various parts of the overall processing unit using various interfaces and lines.

The memory may be used to store the computer programs and/or modules, and the processor may implement the various functions of the processing unit by running or executing the computer programs and/or modules stored in the memory, as well as by invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, video data, etc.) created according to the use of the cellular phone, etc.

The memory may be integrated in the processor or may be provided separately from the processor.

In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps of the battery coolant leakage detection method and the extensions and extensions of the related steps in the above-described embodiments, such as the steps 101 to 106 shown in fig. 1 and the extensions of other extensions and related steps of the method, which are not repeated here to avoid repetition.

The memory may be used to store the computer programs and/or modules, and the processor may implement the various functions of the processing unit by running or executing the computer programs and/or modules stored in the memory, as well as by invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, video data, etc.) created according to the use of the cellular phone, etc. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.

The memory may be integrated in the processor or may be provided separately from the processor.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM), and includes several instructions for enabling a terminal (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present application.

According to the battery coolant leakage detection method, the device, the processing unit and the storage medium, the liquid level sensor is arranged in the cooling kettle of the external coolant system for cooling the battery, analysis is carried out according to the liquid level detected by the liquid level sensor and the battery performance parameters detected by the monitoring unit in the battery, whether the coolant of the battery leaks or not is judged, and an alarm prompt is sent out in time when the coolant of the battery leaks, so that a user can know the leakage condition of the coolant as soon as possible, and the user can take necessary measures in time. The battery coolant leakage detection method is obtained by acquiring the liquid level in the cooling kettle in real time according to the liquid level sensor arranged in the cooling kettle and judging, and the liquid level of the coolant in the cooling kettle can be changed no matter the coolant in the battery leaks or the coolant outside the battery leaks.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.