CN113588254A - Explosion-proof valve model selection calibration method, device, equipment and medium - Google Patents
Explosion-proof valve model selection calibration method, device, equipment and medium Download PDFInfo
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Abstract
The application discloses an explosion-proof valve type selection checking method, device, equipment and medium, which are applied to the technical field of batteries and used for solving the problem that whether the explosion-proof valve type selection of a battery pack can be checked reasonably in the prior art. The method specifically comprises the following steps: after the explosion-proof valve type selection calibration parameters of the battery pack are obtained, the size relation between the pack internal pressure and the sealing failure pressure of the battery pack after the explosion-proof valve of the battery pack is opened is determined based on the explosion-proof valve type selection calibration parameters by using an explosion-proof valve type selection calibration model, and whether the explosion-proof valve type selection of the battery pack is reasonable is checked based on the size relation. Therefore, whether the explosion-proof valve type selection of the battery pack is reasonable or not can be automatically checked by utilizing the explosion-proof valve type selection checking model, and the efficiency and the accuracy of the explosion-proof valve type selection checking are higher.
Description
Technical Field
The application relates to the technical field of batteries, in particular to an explosion-proof valve type selection calibration method, device, equipment and medium.
Background
The explosion-proof valve is a sealable assembly which is formed by combining a waterproof breathable film with materials such as plastics, metals, silica gel and the like in a welding mode and is arranged on the outer surface of the battery pack, and has the functions of balancing internal and external pressure difference, quickly relieving pressure, preventing water and the like.
In practical application, when the battery pack is out of control due to heat, the explosion-proof valve is opened to quickly release pressure, so that potential safety hazards caused by combustion or explosion of the battery pack can be avoided, the quick pressure release effect can be influenced due to the fact that the type selection of the explosion-proof valve is not reasonable, however, at present, an explicit verification method is not provided for the problem that whether the type selection of the explosion-proof valve is reasonable or not.
Disclosure of Invention
The embodiment of the application provides an explosion-proof valve type selection checking method, device, equipment and medium, and aims to solve the problem that whether explosion-proof valve type selection is reasonable or not in the prior art.
The technical scheme provided by the embodiment of the application is as follows:
in one aspect, an embodiment of the present application provides an explosion-proof valve model selection verification method, including:
acquiring an explosion-proof valve type selection calibration parameter of the battery pack;
based on the explosion-proof valve type selection calibration parameters, adopting an explosion-proof valve type selection calibration model to obtain an explosion-proof valve type selection calibration result of the battery pack; the anti-explosion valve type selection checking model is used for determining the size relation between the pressure in the battery pack after the anti-explosion valve of the battery pack is opened and the sealing failure pressure based on the anti-explosion valve type selection checking parameters, and checking whether the anti-explosion valve type selection of the battery pack is reasonable or not based on the size relation.
On the other hand, the embodiment of the application provides an explosion-proof valve type selection verifying attachment, includes:
the parameter acquisition unit is used for acquiring the explosion-proof valve type selection calibration parameters of the battery pack;
the type selection calibration unit is used for obtaining an explosion-proof valve type selection calibration result of the battery pack by adopting an explosion-proof valve type selection calibration model based on the explosion-proof valve type selection calibration parameters; the anti-explosion valve type selection checking model is used for determining the size relation between the pressure in the battery pack after the anti-explosion valve of the battery pack is opened and the sealing failure pressure based on the anti-explosion valve type selection checking parameters, and checking whether the anti-explosion valve type selection of the battery pack is reasonable or not based on the size relation.
On the other hand, the embodiment of the present application provides an explosion-proof valve lectotype check-up equipment, includes: the device comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the explosion-proof valve type selection checking method provided by the embodiment of the application when executing the computer program.
On the other hand, the embodiment of the present application further provides a computer-readable storage medium, where computer instructions are stored, and when the computer instructions are executed by a processor, the method for verifying the type selection of the explosion-proof valve provided in the embodiment of the present application is implemented.
The beneficial effects of the embodiment of the application are as follows:
in the embodiment of the application, whether the explosion-proof valve lectotype check-up result that whether the explosion-proof valve lectotype of sign battery package is reasonable can be obtained to the explosion-proof valve lectotype check-up model of utilization to whether reasonable automatic check-up to the explosion-proof valve lectotype of battery package has been realized, and in addition, the efficiency and the degree of accuracy of explosion-proof valve lectotype check-up are higher.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic flow chart of a method for training an explosion-proof valve model selection verification model in an embodiment of the present application;
FIG. 2 is a schematic flow chart illustrating an overview of a type selection verification method for an explosion-proof valve in an embodiment of the present application;
FIG. 3 is a schematic flow chart of a specific method for verifying the type selection of the explosion-proof valve in the embodiment of the present application;
FIG. 4 is a functional structure diagram of an explosion-proof valve type selection checking device in the embodiment of the application;
fig. 5 is a schematic hardware structure diagram of an explosion-proof valve model selection checking device in an embodiment of the present application.
Detailed Description
In order to make the purpose, technical solution and advantages of the present application more clearly and clearly understood, the technical solution in the embodiments of the present application will be described below in detail and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
To facilitate a better understanding of the present application by those skilled in the art, a brief description of the technical terms involved in the present application will be given below.
1. The anti-explosion valve type selection calibration model is a neural network model which is trained based on anti-explosion valve type selection calibration parameters of all sample battery packs and used for calibrating whether the anti-explosion valve type selection of the battery packs is reasonable or not based on the anti-explosion valve type selection calibration parameters of the battery packs.
2. Explosion-proof valve lectotype check parameter for being used for the explosion-proof valve lectotype of check-up battery package whether reasonable parameter, in the embodiment of this application, includes: the explosion-proof valve type-selecting verification parameters include but are not limited to: thermal runaway gas production, vent capacity of the explosion-proof valve, worst opening pressure of the explosion-proof valve, volume in the battery pack under the worst opening pressure of the explosion-proof valve, clean air volume of the battery pack, sealing failure pressure and the like.
After introducing the technical terms related to the present application, the following briefly introduces the application scenarios and design ideas of the embodiments of the present application.
In practical application, if the type selection of the anti-explosion valve of the battery pack is not reasonable, the rapid pressure relief effect when the thermal runaway of the battery pack occurs is affected, however, at present, no clear method is provided for verifying whether the type selection of the anti-explosion valve of the battery pack is reasonable. Therefore, in the embodiment of the application, after the explosion-proof valve type selection calibration model of each sample battery pack is trained, when the explosion-proof valve type selection of a certain battery pack is calibrated, the explosion-proof valve type selection calibration parameters of the battery pack can be obtained, and the explosion-proof valve type selection calibration parameters of the battery pack are input into the explosion-proof valve type selection calibration model, so that whether the explosion-proof valve type selection of the battery pack is reasonable or not is represented. Therefore, whether the explosion-proof valve type selection of the battery pack is reasonable or not can be automatically checked by utilizing the explosion-proof valve type selection checking model, and the efficiency and the accuracy of the explosion-proof valve type selection checking are higher.
After introducing the application scenario and the design concept of the embodiment of the present application, the following describes in detail the technical solution provided by the embodiment of the present application.
The first embodiment is as follows:
the embodiment of the application provides an explosion-proof valve model selection verification model training method, which can be applied to explosion-proof valve model selection verification equipment such as a smart phone, a tablet computer and a computer, and is shown in fig. 1, and the general flow of the explosion-proof valve model selection verification model training method provided by the embodiment of the application is as follows:
step 101: collecting a training set; and the training set comprises the explosion-proof valve type selection calibration parameters of each sample battery pack.
In specific implementation, when the explosion-proof valve model selection checking device collects a training set, the following modes can be adopted, but are not limited to:
the first mode is as follows: the explosion-proof valve type selection checking equipment can obtain explosion-proof valve type selection checking parameters of each sample battery pack from the imported specification of each sample battery pack as a training set.
The second mode is as follows: the explosion-proof valve type selection checking equipment can also call a simulation interface to perform simulation experiments on each sample battery pack to obtain explosion-proof valve type selection checking parameters of each sample battery pack as a training set.
In practical application, the explosion-proof valve type selection calibration equipment can also obtain the explosion-proof valve type selection calibration parameters of each sample battery pack as a training set by combining two modes, for example, the explosion-proof valve type selection calibration equipment obtains the air permeability of the explosion-proof valve, the worst opening pressure of the explosion-proof valve and the sealing failure pressure of each sample battery pack through the first mode, and obtains the thermal runaway gas production of each sample battery pack, the internal volume of the explosion-proof valve under the worst opening pressure of the explosion-proof valve and the clean air volume of the battery pack through the second mode.
Step 102: and respectively inputting the explosion-proof valve type selection calibration parameters of each sample battery pack in the training set into the explosion-proof valve type selection calibration model to obtain the explosion-proof valve type selection calibration prediction result of each sample battery pack.
In specific implementation, in the embodiment of the present application, the explosion-proof valve type selection verification model at least includes a package internal pressure increment calculation module and an explosion-proof valve type selection verification module, and based on this, when the explosion-proof valve type selection verification equipment obtains the explosion-proof valve type selection verification prediction result of each sample battery package, the following modes may be adopted, but are not limited to:
firstly, the explosion-proof valve type selection checking equipment calculates the pack internal pressure increment of each sample battery pack after the explosion-proof valve is opened by adopting a formula (1) and a formula (2) through a pack internal pressure increment calculation module of an explosion-proof valve type selection checking model.
((QGas production rate-QAir permeability+VP1)/VClean air)*PAtmospheric pressure＝P1+ DELTAP … … formula (1)
QAir permeability＝f(P1+. DELTA P) … … formula (2)
Wherein Q isGas production rateCharacterizing the thermal runaway gas production; qAir permeabilityCharacterizing the ventilation quantity of the explosion-proof valve; p1Representing the worst opening pressure of the explosion-proof valve; vPCharacterizing the volume of the explosion-proof valve in the volume at the worst opening pressure; vClean airCharacterizing a cell pack net air volume; pAtmospheric pressureCharacterizing atmospheric pressure; delta P represents the pressure increment in the bag; f represents ventilation quantity Q of explosion-proof valveAir permeabilityWith the pressure P in the bag1A function of +. DELTA.P; p2 characterizes seal failure pressure.
And then, the explosion-proof valve type selection calibration equipment determines the explosion-proof valve type selection calibration prediction result of each sample battery pack by adopting a formula (3) through an explosion-proof valve type selection calibration module of the explosion-proof valve type selection calibration model.
Wherein, P1Representing the worst opening pressure of the explosion-proof valve; delta P represents the pressure increment in the bag; p2 characterizes seal failure pressure.
Step 103: and determining a loss function value based on the explosion-proof valve type selection prediction result and the explosion-proof valve type selection marking result of each sample battery pack.
In specific implementation, the explosion-proof valve type selection checking device may determine the loss function value by using a cross entropy loss function based on the explosion-proof valve type selection prediction result and the explosion-proof valve type selection marking result of each sample battery pack.
Step 104: and updating the model parameters of the explosion-proof valve model selection calibration model based on the loss function values.
In specific implementation, the cross entropy loss value can measure the difference degree between the explosion-proof valve type selection prediction result and the explosion-proof valve type selection marking result, and the smaller the cross entropy loss value is, the better the verification effect of the explosion-proof valve type selection verification model is. In practical application, the preset threshold may be flexibly set according to actual requirements, and is not specifically limited herein.
Example two:
the embodiment of the application provides an explosion-proof valve type selection checking method, which can be applied to explosion-proof valve type selection checking equipment such as a smart phone, a tablet computer and a computer, and is shown in fig. 2, wherein the general flow of the explosion-proof valve type selection checking method provided by the embodiment of the application is as follows:
step 201: and acquiring the explosion-proof valve model selection calibration parameters of the battery pack.
In specific implementation, the explosion-proof valve type-selecting calibration equipment can respond to the explosion-proof valve type-selecting calibration triggering operation, display an explosion-proof valve type-selecting calibration interface, and obtain the explosion-proof valve type-selecting calibration parameters of the battery pack based on user operation executed in the explosion-proof valve type-selecting calibration interface. Specifically, the explosion-proof valve type-selecting verification device can adopt, but is not limited to, the following modes:
the first mode is as follows: the explosion-proof valve type-selecting calibration equipment obtains input parameters which are explosion-proof valve type-selecting calibration parameters of the battery pack based on input operation executed in an explosion-proof valve type-selecting calibration interface.
The second mode is as follows: the explosion-proof valve type-selecting checking equipment obtains the specification book of the battery pack based on the importing operation executed in the explosion-proof valve type-selecting checking interface, and then obtains the explosion-proof valve type-selecting checking parameters of the battery pack from the specification book of the battery pack.
The third mode is as follows: and calling the simulation interface to carry out a simulation experiment on the battery pack to obtain the explosion-proof valve type selection calibration parameters of the battery pack by the explosion-proof valve type selection calibration equipment based on the simulation interface calling operation executed in the explosion-proof valve type selection calibration interface.
In practical application, the explosion-proof valve type-selecting calibration equipment can also obtain the explosion-proof valve type-selecting calibration parameters of the battery pack in combination with the above manners, for example, the explosion-proof valve type-selecting calibration equipment obtains the air permeability of the explosion-proof valve, the worst opening pressure of the explosion-proof valve and the seal failure pressure of the battery pack through the above second manner, and obtains the thermal runaway air yield of the battery pack, the internal volume of the battery pack under the worst opening pressure of the explosion-proof valve and the clean air volume of the battery pack through the above third manner.
Step 202: and based on the explosion-proof valve type selection calibration parameters, adopting an explosion-proof valve type selection calibration model to obtain an explosion-proof valve type selection calibration result of the battery pack.
In specific implementation, in this embodiment of the present application, the explosion-proof valve type selection verification model at least includes a package internal pressure increment calculation module and an explosion-proof valve type selection verification module, and based on this, when the explosion-proof valve type selection verification equipment obtains an explosion-proof valve type selection verification prediction result of the battery package, the following modes may be adopted, but are not limited to:
firstly, the explosion-proof valve type selection checking equipment calculates the bag internal pressure increment of the battery bag after the explosion-proof valve is opened by adopting the formula (1) and the formula (2) through a bag internal pressure increment calculation module of an explosion-proof valve type selection checking model.
And then, the explosion-proof valve type selection calibration equipment determines the explosion-proof valve type selection calibration prediction result of the battery pack by adopting the formula (3) through an explosion-proof valve type selection calibration module of the explosion-proof valve type selection calibration model.
Furthermore, after the explosion-proof valve type selection checking equipment obtains the explosion-proof valve type selection checking result of the battery pack, whether the explosion-proof valve type selection of the battery pack is reasonable or not can be prompted based on the explosion-proof valve type selection checking result of the battery pack.
Example three:
the explosion-proof valve type selection checking method provided by the embodiment of the present application is further described in detail below by using a specific application scenario, and referring to fig. 3, a specific flow of the explosion-proof valve type selection checking method provided by the embodiment of the present application is as follows:
step 301: the explosion-proof valve type selection checking equipment responds to the explosion-proof valve type selection checking triggering operation and displays an explosion-proof valve type selection checking interface.
Step 302: the explosion-proof valve type-selecting calibration equipment obtains the ventilation volume of the explosion-proof valve, the worst opening pressure of the explosion-proof valve and the sealing failure pressure of the battery pack from the specification of the battery pack after obtaining the specification book of the battery pack, wherein the specification book is used for importing the battery pack based on the importing operation executed in the explosion-proof valve type-selecting calibration interface.
Step 303: the explosion-proof valve model selection checking equipment calls the simulation interface to perform a simulation experiment on the battery pack based on simulation interface calling operation executed in the explosion-proof valve model selection checking interface, so that the thermal runaway gas production of the battery pack, the pack internal volume under the worst opening pressure of the explosion-proof valve and the clean air volume of the battery pack are obtained.
Step 304: the explosion-proof valve type selection calibration equipment calculates the pack pressure increment of the battery pack after the explosion-proof valve is opened by adopting the formula (1) and the formula (2) based on explosion-proof valve type selection calibration parameters of the battery pack, such as the air permeability of the explosion-proof valve, the worst opening pressure of the explosion-proof valve, the sealing failure pressure, the thermal runaway gas production rate, the pack internal volume under the worst opening pressure of the explosion-proof valve, the net air volume of the battery pack and the like through a pack pressure increment calculation module of an explosion-proof valve type selection calibration model.
Step 305: the explosion-proof valve type selection checking equipment determines the explosion-proof valve type selection checking prediction result of the battery pack by adopting the formula (3) based on the worst opening pressure of the explosion-proof valve, the pressure increment in the pack and the sealing failure pressure of the battery pack through an explosion-proof valve type selection checking module of an explosion-proof valve type selection checking model.
Step 306: the explosion-proof valve type selection checking equipment prompts whether the explosion-proof valve type selection of the battery pack is reasonable or not based on the explosion-proof valve type selection checking result of the battery pack.
Example four:
based on the foregoing embodiments, an embodiment of the present application provides an explosion-proof valve type-selection checking apparatus, and as shown in fig. 4, an explosion-proof valve type-selection checking apparatus 400 provided in an embodiment of the present application at least includes:
a parameter obtaining unit 401, configured to obtain an explosion-proof valve model selection calibration parameter of the battery pack;
the type selection checking unit 402 is used for obtaining an explosion-proof valve type selection checking result of the battery pack by adopting an explosion-proof valve type selection checking model based on the explosion-proof valve type selection checking parameters; the anti-explosion valve type selection checking model is used for determining the size relation between the pressure in the battery pack after the anti-explosion valve of the battery pack is opened and the sealing failure pressure based on the anti-explosion valve type selection checking parameters, and checking whether the anti-explosion valve type selection of the battery pack is reasonable or not based on the size relation.
In one possible embodiment, the explosion-proof valve type-selecting verification parameters comprise: thermal runaway gas production, vent capacity of the explosion-proof valve, worst opening pressure of the explosion-proof valve, volume in the battery pack under the worst opening pressure of the explosion-proof valve, net air volume of the battery pack and sealing failure pressure.
In a possible embodiment, when acquiring the explosion-proof valve type selection verification parameter of the battery pack, the parameter acquiring unit 401 is specifically configured to:
responding to the explosion-proof valve type selection verification triggering operation, and displaying an explosion-proof valve type selection verification interface;
and acquiring the explosion-proof valve type selection calibration parameters of the battery pack based on the user operation executed in the explosion-proof valve type selection calibration interface.
In a possible implementation manner, the selective verification apparatus 400 for an explosion-proof valve provided in an embodiment of the present application further includes:
and the verification prompting unit 403 is configured to prompt whether the type selection of the anti-explosion valve of the battery pack is reasonable or not based on the type selection verification result of the anti-explosion valve of the battery pack.
In a possible implementation manner, the selective verification apparatus 400 for an explosion-proof valve provided in an embodiment of the present application further includes:
the model training unit 404 is configured to acquire a training set, where the training set includes the explosion-proof valve model selection calibration parameters of each sample battery pack; respectively inputting the explosion-proof valve type selection calibration parameters of each sample battery pack in the training set into an explosion-proof valve type selection calibration model to obtain the explosion-proof valve type selection calibration prediction result of each sample battery pack; determining a loss function value based on the explosion-proof valve type selection prediction result and the explosion-proof valve type selection marking result of each sample battery pack; and updating the model parameters of the explosion-proof valve model selection calibration model based on the loss function values.
In one possible implementation mode, the explosion-proof valve type selection checking model at least comprises a bag internal pressure increment calculation module and an explosion-proof valve type selection checking module.
In a possible embodiment, when the explosion-proof valve type-selection verification parameters of each sample battery pack in the training set are respectively input into the explosion-proof valve type-selection verification model to obtain the explosion-proof valve type-selection verification prediction result of each sample battery pack, the model training unit 404 is specifically configured to:
an in-package pressure increment calculation module of the model is verified through explosion-proof valve selection by adopting a formula ((Q)Gas production rate-QAir permeability+VP1)/VClean air)*PAtmospheric pressure＝P1+. DELTA P and formula QAir permeability＝f(P1And (4) calculating the pressure increment of each sample battery pack after the explosion-proof valve is opened;
the model selection calibration module of the explosion-proof valve through the model selection calibration model of the explosion-proof valve adopts a formula
Determining the explosion-proof valve type selection checking and predicting result of each sample battery pack;
wherein Q isGas production rateCharacterizing the thermal runaway gas production; qAir permeabilityCharacterizing the ventilation quantity of the explosion-proof valve; p1Representing the worst opening pressure of the explosion-proof valve; vPCharacterizing the volume of the explosion-proof valve in the volume at the worst opening pressure; vClean airCharacterizing a cell pack net air volume; pAtmospheric pressureCharacterizing atmospheric pressure; delta P represents the pressure increment in the bag; f represents ventilation quantity Q of explosion-proof valveAir permeabilityWith the pressure P in the bag1A function of +. DELTA.P; p2 characterizes seal failure pressure.
It should be noted that the principle of the explosion-proof valve type selection checking apparatus 400 provided in the embodiment of the present application for solving the technical problem is similar to that of the explosion-proof valve type selection checking method provided in the embodiment of the present application, and therefore, reference may be made to implementation of the explosion-proof valve type selection checking apparatus 400 provided in the embodiment of the present application for implementation of the explosion-proof valve type selection checking method provided in the embodiment of the present application, and repeated parts are not described again.
Example five:
referring to fig. 5, an explosion-proof valve type-selecting verification apparatus 500 provided by the embodiment of the present application at least includes: the explosion-proof valve type selection checking method comprises a processor 501, a memory 502 and a computer program which is stored on the memory 502 and can run on the processor 501, wherein the explosion-proof valve type selection checking method provided by the embodiment of the application is realized when the computer program is executed by the processor 501.
It should be noted that the anti-explosion valve selection type verification device 500 shown in fig. 5 is only an example, and should not bring any limitation to the function and the application range of the embodiment of the present application.
The explosion-proof valve selection type verification device 500 provided by the embodiment of the application can further comprise a bus 503 for connecting different components (including the processor 501 and the memory 502). Bus 503 represents one or more of any of several types of bus structures, including a memory bus, a peripheral bus, a local bus, and the like.
The Memory 502 may include readable media in the form of volatile Memory, such as Random Access Memory (RAM) 5021 and/or cache Memory 5022, and may further include Read Only Memory (ROM) 5023.
The memory 502 may also include a program tool 5025 having a set (at least one) of program modules 5024, the program modules 5024 including, but not limited to: an operating subsystem, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.
The explosion proof valve selection verification device 500 may also communicate with one or more external devices 504 (e.g., a keypad, a remote control, etc.), with one or more devices (e.g., a cell phone, a computer, etc.) that enable a user to interact with the explosion proof valve selection verification device 500, and/or with any device (e.g., a router, a modem, etc.) that enables the explosion proof valve selection verification device 500 to communicate with one or more other explosion proof valve selection verification devices 500. Such communication may be through an Input/Output (I/O) interface 505. Further, the explosion-proof selective verification device 500 may also communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public Network, such as the internet) via the Network adapter 506. As shown in FIG. 5, the network adapter 506 communicates with the other modules of the explosion proof valve selection verification device 500 via a bus 503. It should be understood that although not shown in FIG. 5, other hardware and/or software modules may be used in conjunction with the explosion proof valve selection verification apparatus 500, including but not limited to: microcode, device drivers, Redundant processors, external disk drive Arrays, disk array (RAID) subsystems, tape drives, and data backup storage subsystems, to name a few.
Example six:
the embodiment of the application provides a computer-readable storage medium, which stores computer instructions, and the computer instructions, when executed by a processor, implement the explosion-proof valve type selection verification method provided by the embodiment of the application. Specifically, the executable program may be built in or installed in the anti-explosion valve type-selection checking device 500, so that the anti-explosion valve type-selection checking device 500 may implement the anti-explosion valve type-selection checking method provided by the embodiment of the present application by executing the built-in or installed executable program.
Example seven:
the method for verifying the selection of the explosion-proof valve provided by the embodiment of the present application can also be implemented as a program product, where the program product includes a program code, and when the program product can run on the verification apparatus 500 for verifying the selection of the explosion-proof valve, the program code is used to enable the verification apparatus 500 for verifying the selection of the explosion-proof valve to execute the method for verifying the selection of the explosion-proof valve provided by the embodiment of the present application.
The program product provided by the embodiments of the present application may be any combination of one or more readable media, where the readable media may be a readable signal medium or a readable storage medium, and the readable storage medium may be, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof, and in particular, more specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a RAM, a ROM, an Erasable Programmable Read-Only Memory (EPROM), an optical fiber, a portable Compact disk Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The program product provided by the embodiment of the application can adopt a CD-ROM and comprises program codes, and can run on a computing device. However, the program product provided by the embodiments of the present application is not limited thereto, and in the embodiments of the present application, the readable storage medium may be any tangible medium that can contain or store a program, which can be used by or in connection with an instruction execution system, apparatus, or device.
It should be noted that although several units or sub-units of the apparatus are mentioned in the above detailed description, such division is merely exemplary and not mandatory. Indeed, the features and functions of two or more units described above may be embodied in one unit, according to embodiments of the application. Conversely, the features and functions of one unit described above may be further divided into embodiments by a plurality of units.
Further, while the operations of the methods of the present application are depicted in the drawings in a particular order, this does not require or imply that these operations must be performed in this particular order, or that all of the illustrated operations must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present application without departing from the spirit and scope of the embodiments of the present application. Thus, if such modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to encompass such modifications and variations.
Claims (10)
1. The type selection checking method for the explosion-proof valve is characterized by comprising the following steps:
acquiring an explosion-proof valve type selection calibration parameter of the battery pack;
based on the explosion-proof valve type-selecting calibration parameters, adopting an explosion-proof valve type-selecting calibration model to obtain an explosion-proof valve type-selecting calibration result of the battery pack; the anti-explosion valve type selection checking model is used for determining the size relation between the pressure in the battery pack after the anti-explosion valve of the battery pack is opened and the sealing failure pressure based on the anti-explosion valve type selection checking parameters, and checking whether the anti-explosion valve type selection of the battery pack is reasonable or not based on the size relation.
2. The explosion proof valve typing verification method according to claim 1, wherein the explosion proof valve typing verification parameters include: thermal runaway gas production, vent capacity of the explosion-proof valve, worst opening pressure of the explosion-proof valve, volume in the battery pack under the worst opening pressure of the explosion-proof valve, net air volume of the battery pack and sealing failure pressure.
3. The explosion proof valve type selection verification method of claim 2, wherein obtaining the explosion proof valve type selection verification parameters of the battery pack comprises:
responding to the explosion-proof valve type selection verification triggering operation, and displaying an explosion-proof valve type selection verification interface;
and acquiring the explosion-proof valve type-selecting calibration parameters of the battery pack based on the user operation executed in the explosion-proof valve type-selecting calibration interface.
4. The explosion-proof valve type-selecting checking method according to any one of claims 1 to 3, wherein after obtaining an explosion-proof valve type-selecting checking result of the battery pack by using an explosion-proof valve type-selecting checking model based on the explosion-proof valve type-selecting checking parameters, the method further comprises:
and based on the anti-explosion valve type selection checking result of the battery pack, prompting whether the anti-explosion valve type selection of the battery pack is reasonable or not.
5. The explosion proof valve type selection verification method of any one of claims 1 to 3, further comprising:
collecting a training set; the training set comprises explosion-proof valve type selection calibration parameters of all sample battery packs;
respectively inputting the explosion-proof valve type selection calibration parameters of each sample battery pack in the training set into the explosion-proof valve type selection calibration model to obtain the explosion-proof valve type selection calibration prediction result of each sample battery pack;
determining a loss function value based on the explosion-proof valve type selection prediction result and the explosion-proof valve type selection marking result of each sample battery pack;
and updating the model parameters of the explosion-proof valve model selection calibration model based on the loss function values.
6. The explosion proof valve type selection verification method of claim 5 wherein the explosion proof valve type selection verification model comprises at least a package pressure increment calculation module and an explosion proof valve type selection verification module.
7. The explosion-proof valve type-selecting verification method of claim 6, wherein the step of inputting the explosion-proof valve type-selecting verification parameters of each sample battery pack in the training set into the explosion-proof valve type-selecting verification model respectively to obtain the prediction result of the explosion-proof valve type-selecting verification of each sample battery pack comprises the steps of:
the bag internal pressure increment calculation module of the explosion-proof valve model selection verification model adopts a formula ((Q)Gas production rate-QAir permeability+VP1)/VClean air)*PAtmospheric pressure＝P1+. DELTA P and formula QAir permeability＝f(P1Plus delta P), calculating the pressure increment of each sample battery pack after the explosion-proof valve is opened;
the explosion-proof valve model selection calibration module passing through the explosion-proof valve model selection calibration model adopts a formula
Determining the explosion-proof valve type selection checking and predicting result of each sample battery pack;
wherein Q isGas production rateCharacterizing the thermal runaway gas production; qAir permeabilityCharacterizing the ventilation quantity of the explosion-proof valve; p1Representing the worst opening pressure of the explosion-proof valve; vP1Characterizing the volume of the explosion-proof valve in the volume at the worst opening pressure; vClean airCharacterizing a cell pack net air volume; pAtmospheric pressureCharacterizing atmospheric pressure; delta P represents the pressure increment in the bag; f represents ventilation quantity Q of explosion-proof valveAir permeabilityWith the pressure P in the bag1A function of +. DELTA.P; p2 characterizes seal failure pressure.
8. The utility model provides an explosion-proof valve lectotype calibration equipment which characterized in that includes:
the parameter acquisition unit is used for acquiring the explosion-proof valve type selection calibration parameters of the battery pack;
the type selection calibration unit is used for obtaining an explosion-proof valve type selection calibration result of the battery pack by adopting an explosion-proof valve type selection calibration model based on the explosion-proof valve type selection calibration parameters; the anti-explosion valve type selection checking model is used for determining the size relation between the pressure in the battery pack after the anti-explosion valve of the battery pack is opened and the sealing failure pressure based on the anti-explosion valve type selection checking parameters, and checking whether the anti-explosion valve type selection of the battery pack is reasonable or not based on the size relation.
9. The utility model provides an explosion-proof valve lectotype check-up equipment which characterized in that includes: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the explosion proof valve gating verification method of any one of claims 1 to 7 when executing the computer program.
10. A computer readable storage medium storing computer instructions which, when executed by a processor, implement the explosion-proof valve typing verification method according to any one of claims 1 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397100A (en) * | 2021-12-29 | 2022-04-26 | 东软睿驰汽车技术（沈阳）有限公司 | Method and device for determining installation number of explosion-proof valves |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3903986A1 (en) * | 1989-02-10 | 1990-08-16 | Manfred Scherwarth | Explosion protection valve |
| CN202049039U (en) * | 2011-04-08 | 2011-11-23 | 童撮洪 | Testing system for explosion-proof valve |
| CN206564275U (en) * | 2017-03-14 | 2017-10-17 | 合肥国轩高科动力能源有限公司 | Electrokinetic cell protects system |
| CN107967385A (en) * | 2017-11-27 | 2018-04-27 | 北京起重运输机械设计研究院 | A kind of electrical module system and design method based on bridge crane |
| CN108091947A (en) * | 2017-12-18 | 2018-05-29 | 清华大学 | Power battery of electric motor car group security system |
| CN108874665A (en) * | 2018-05-29 | 2018-11-23 | 百度在线网络技术（北京）有限公司 | A kind of test result method of calibration, device, equipment and medium |
| CN111640888A (en) * | 2020-05-19 | 2020-09-08 | 威睿电动汽车技术(宁波)有限公司 | Battery pack pressure relief protection system, design method thereof and vehicle |
| CN111682142A (en) * | 2020-06-30 | 2020-09-18 | 上海豫源电力科技有限公司 | Battery pack with fire-fighting function and control method thereof |
| CN112697356A (en) * | 2020-12-23 | 2021-04-23 | 宝能(广州)汽车研究院有限公司 | Battery pack, leak detection method for battery pack, vehicle, and storage medium |
| CN213401400U (en) * | 2020-11-03 | 2021-06-08 | 东软睿驰汽车技术（沈阳）有限公司 | Battery pack |
| CN112924161A (en) * | 2021-02-18 | 2021-06-08 | 湖北亿纬动力有限公司 | Pressure detection device for opening valve of explosion-proof valve |
-
2021
- 2021-07-29 CN CN202110866759.8A patent/CN113588254B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3903986A1 (en) * | 1989-02-10 | 1990-08-16 | Manfred Scherwarth | Explosion protection valve |
| CN202049039U (en) * | 2011-04-08 | 2011-11-23 | 童撮洪 | Testing system for explosion-proof valve |
| CN206564275U (en) * | 2017-03-14 | 2017-10-17 | 合肥国轩高科动力能源有限公司 | Electrokinetic cell protects system |
| CN107967385A (en) * | 2017-11-27 | 2018-04-27 | 北京起重运输机械设计研究院 | A kind of electrical module system and design method based on bridge crane |
| CN108091947A (en) * | 2017-12-18 | 2018-05-29 | 清华大学 | Power battery of electric motor car group security system |
| CN108874665A (en) * | 2018-05-29 | 2018-11-23 | 百度在线网络技术（北京）有限公司 | A kind of test result method of calibration, device, equipment and medium |
| CN111640888A (en) * | 2020-05-19 | 2020-09-08 | 威睿电动汽车技术(宁波)有限公司 | Battery pack pressure relief protection system, design method thereof and vehicle |
| CN111682142A (en) * | 2020-06-30 | 2020-09-18 | 上海豫源电力科技有限公司 | Battery pack with fire-fighting function and control method thereof |
| CN213401400U (en) * | 2020-11-03 | 2021-06-08 | 东软睿驰汽车技术（沈阳）有限公司 | Battery pack |
| CN112697356A (en) * | 2020-12-23 | 2021-04-23 | 宝能(广州)汽车研究院有限公司 | Battery pack, leak detection method for battery pack, vehicle, and storage medium |
| CN112924161A (en) * | 2021-02-18 | 2021-06-08 | 湖北亿纬动力有限公司 | Pressure detection device for opening valve of explosion-proof valve |
Non-Patent Citations (2)
| Title |
|---|
| 葛瑞: "汽车动力电池系统防爆阀的选型与理论计算", 电动化技术, no. 3, 31 March 2021 (2021-03-31), pages 4 - 6 * |
| 马小明;柯研;付凯明;: "安全阀自动校验系统的设计开发", 工业仪表与自动化装置, no. 5, 5 October 2008 (2008-10-05), pages 43 - 45 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397100A (en) * | 2021-12-29 | 2022-04-26 | 东软睿驰汽车技术（沈阳）有限公司 | Method and device for determining installation number of explosion-proof valves |
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