CN116362049A - Vibration tool design method and device for vehicle battery system - Google Patents
Vibration tool design method and device for vehicle battery system Download PDFInfo
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Abstract
The application discloses a vibration tool design method and device of a vehicle battery system, wherein the method comprises the following steps: determining the working condition of vibration of the battery pack based on the target development requirement, so as to obtain the frequency information of the battery pack, and generating the rigidity standard of the tooling design based on the frequency information; according to the structure of the battery pack, the vibration tool structure of the battery pack is designed, a single tool stiffness verification result is obtained based on the frequency structure of the vibration tool structure, and a tool-battery pack system stiffness verification result is obtained based on the frequency structure of a system mounted to the vibration tool structure, so that when the single tool stiffness verification result and the tool-battery pack system stiffness verification result meet stiffness standards, a final vibration tool design result is obtained. According to the stiffness standard of the generated tool design, when the stiffness verification result of the single tool and the stiffness verification result of the tool-battery pack system meet the stiffness standard, the final vibration tool design result is obtained, and the period and cost of the tool design are effectively reduced.
Description
Technical Field
The application relates to the technical field of power batteries, in particular to a vibration tool design method and device of a vehicle battery system.
Background
In the related art, the tool for the vibration test of the battery pack rack is mainly divided into a supporting structure and a hoisting structure, wherein the tool of the supporting structure is arranged under the battery pack in a supporting manner and is used for connecting the battery pack with a test bed, and the designed tool needs to simulate the installation manner in the use of an actual product.
However, in the related art, as in patent CN210269090U "vibration test tool and vibration test device for power battery", the structural form of the tool is not limited, which results in lower standard of rigidity of the tool, and the bench vibration verification of the battery pack cannot pass, so that the design cost of the tool is increased, and meanwhile, the period of the design of the tool is increased, so that the requirement of the design of the tool cannot be met, and the problem is to be solved.
Disclosure of Invention
The present application is based on the inventors' knowledge and knowledge of the following problems:
the battery system for the electric vehicle needs to perform a bench vibration test according to related standards, wherein the battery pack performs the vibration test according to national standard GB 38031-2020 power storage battery safety requirement for the electric vehicle, currently, as shown in fig. 1, according to the connection mode of the battery pack mounted on the vehicle, a tool for the battery pack bench vibration test is mainly divided into two modes, namely a supporting structure shown in fig. 1 (a) and a hoisting structure shown in fig. 1 (b), wherein the tool for the supporting structure is arranged at the bottom of the battery pack in a supporting mode and can be connected with a test bench, and the hoisting tool is mainly used for ensuring that the connection state of the battery pack on the bench is consistent with the state of the battery pack mounted on the vehicle as far as possible and is mainly applied to the condition that a mounting point exists between the battery pack and the vehicle body.
The national standard GB 38031-2020 for safety requirements of power storage batteries for electric vehicles of battery packs does not limit or require the structural form of the tool, but the standard GB/T2423.56 cited in the standard GB/T2423.56 is only a tool required to be designed, and the installation mode of the tool in use of actual products needs to be simulated.
The application provides a vehicle battery system's vibration frock design method and device to fail to restrict the structural style of frock in solving the correlation technique, cause the standard to frock rigidity lower, lead to the rack vibration verification of battery package unable to pass through, when having increased frock design cost, increased the cycle of frock design, can't satisfy the problem of the demand of frock design.
An embodiment of a first aspect of the present application provides a vibration tool design method for a vehicle battery system, including the following steps: determining the working condition of vibration of the battery pack based on the target development requirement; obtaining frequency information of the battery pack according to the vibration working condition of the battery pack, and generating a rigidity standard of the tool design based on the frequency information; and designing a vibration tool structure of the battery pack according to the structure of the battery pack, obtaining a single tool stiffness verification result based on the frequency structure of the vibration tool structure, and obtaining a tool-battery pack system stiffness verification result based on the frequency structure of a system mounted to the vibration tool structure, so as to obtain a final vibration tool design result when the single tool stiffness verification result and the tool-battery pack system stiffness verification result both meet the stiffness standard.
According to the technical means, the frequency information of the battery pack can be obtained according to the working condition of vibration of the battery pack, and the rigidity standard of the tool design is generated, so that when the rigidity verification result of the single tool and the rigidity verification result of the tool-battery pack system meet the rigidity standard, the final vibration tool design result is obtained, the period and cost of the tool design are effectively reduced, and the requirement of the tool design is met.
Optionally, in one embodiment of the present application, the frequency information includes at least one of a lowest frequency, a highest frequency, a frequency point of interest with a focus, and a frequency point with a maximum amplitude.
According to the technical means, the method and the device can effectively improve the performability of the rigidity standard in the tool design.
Optionally, in one embodiment of the present application, the stiffness criteria include: when the difference between the system frequency of the battery pack processing package and the lowest frequency quality inspection is evaluated to be larger than a preset difference, the first-order frequency of the tool is a preset multiple of the first-order main frequency of the battery pack; when the system frequency of the battery pack adding tool is estimated to reach the highest frequency, the first-order frequency of the tool is larger than the preset multiple of the highest frequency of the working condition; the frequency of the battery packaging system does not contain the frequency point with the preset important attention and the frequency point with the maximum amplitude.
According to the technical means, the method and the device can specify the standard of the tool rigidity based on the vibration working condition, further effectively reduce the period of tool design and save the cost of tool design.
Optionally, in an embodiment of the present application, the obtaining a single tool stiffness verification result based on the frequency structure of the vibration tool structure includes: and for the supporting type tool or the hoisting type tool, obtaining the single tool stiffness verification result according to a comparison result between the first-order mode of the supporting type tool or the hoisting type tool and a preset multiple of the corresponding highest frequency.
According to the technical means, the frequency structure based on the vibration tool structure can obtain the result of single tool rigidity verification, so that the randomness of tool design is effectively avoided, and the controllability of tool design cost is improved.
Optionally, in one embodiment of the present application, the obtaining the tool-battery pack system stiffness verification result based on the frequency structure of the system mounted to the vibrating tool structure includes: and obtaining a stiffness verification result of the tool-battery pack system according to the relation between the first-order integral mode of the battery pack and the tool system and a preset range obtained by focusing on the frequency point.
According to the technical means, the qualification of the tool design can be determined according to the focus frequency point, and the single tool is redesigned when the tool is actually unqualified, so that the rigidity of the tool is improved, the manual operation cost of the tool design is effectively reduced, the accuracy of the tool design is improved, and the requirement of the tool design is effectively met.
An embodiment of a second aspect of the present application provides a vibration tooling design device of a vehicle battery system, including: the determining module is used for determining the working condition of the vibration of the battery pack based on the target development requirement; the generating module is used for obtaining the frequency information of the battery pack according to the working condition of the vibration of the battery pack and generating the rigidity standard of the tooling design based on the frequency information; the processing module is used for designing a vibration tool structure of the battery pack according to the structure of the battery pack, obtaining a single tool stiffness verification result based on the frequency structure of the vibration tool structure, and obtaining a tool-battery pack system stiffness verification result based on the frequency structure of a system mounted to the vibration tool structure, so that when the single tool stiffness verification result and the tool-battery pack system stiffness verification result meet the stiffness standard, a final vibration tool design result is obtained.
Optionally, in one embodiment of the present application, the frequency information includes at least one of a lowest frequency, a highest frequency, a frequency point of interest with a focus, and a frequency point with a maximum amplitude.
Optionally, in an embodiment of the present application, the stiffness criterion includes that when a difference between the system frequency of the battery package processing and the quality inspection of the lowest frequency is greater than a preset difference, a first order frequency of the tool is a preset multiple of a first order main frequency of the battery package, when the system frequency of the battery package adding tool is estimated to reach the highest frequency, the first order frequency of the tool is greater than the preset multiple of the highest frequency of the working condition, and the frequency of the battery package processing system does not include a frequency of a preset focus and a frequency point with a maximum amplitude.
Optionally, in one embodiment of the present application, the processing module includes: and the processing unit is used for obtaining the single tool stiffness verification result according to the comparison result between the first-order mode of the supporting type tool or the lifting type tool and the corresponding preset multiple of the highest frequency for the supporting type tool or the lifting type tool.
Optionally, in one embodiment of the present application, the processing module includes: the generating unit is used for obtaining the stiffness verification result of the tool-battery pack system according to the relation between the first-order integral mode of the battery pack and the tool system and the preset range obtained by the important attention frequency point.
An embodiment of a third aspect of the present application provides an electronic device, including: the vibration tool design method for the vehicle battery system comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the program to realize the vibration tool design method for the vehicle battery system according to the embodiment.
A fourth aspect of the present application provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the vibration tooling design method of a vehicle battery system as above.
The beneficial effects of this application:
(1) According to the embodiment of the application, the result of single tool stiffness verification can be obtained based on the frequency structure of the vibration tool structure, the randomness of tool design is effectively avoided, and the controllability of tool design cost is improved.
(2) The embodiment of the application can determine the qualification of the tool design according to the focus frequency point, and redesign a single tool when the tool is actually unqualified, so that the rigidity of the tool is improved, the manual operation cost of the tool design is effectively reduced, the accuracy of the tool design is improved, and the requirement of the tool design is effectively met.
(3) According to the embodiment of the application, the frequency information of the battery pack can be obtained according to the working condition of vibration of the battery pack, the rigidity standard of the tool design is generated, and when the rigidity verification result of the single tool and the rigidity verification result of the tool-battery pack system meet the rigidity standard, the final vibration tool design result is obtained, so that the period and cost of the tool design are effectively reduced, and the requirement of the tool design is met.
Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a support type tool and a hoisting type tool in the related art;
fig. 2 is a flowchart of a vibration tool design method of a vehicle battery system according to an embodiment of the present application;
FIG. 3 is a schematic diagram illustrating a vibration mode according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a battery pack+tooling system according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a vibration tooling design device of a vehicle battery system according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Wherein, 10-the vibration frock design device of the vehicle battery system; a 100-determination module, a 200-generation module and a 300-processing module; 601-memory, 602-processor and 603-communication interface.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.
The following describes a vibration tooling design method and device of a vehicle battery system according to an embodiment of the present application with reference to the accompanying drawings. Aiming at the problem that the structural form of a tool cannot be limited in the related art mentioned in the background center, the standard of the rigidity of the tool is low, so that the bench vibration verification of a battery pack cannot pass, the tool design cost is increased, meanwhile, the period of the tool design is increased, and the requirement of the tool design cannot be met. Therefore, the problem that the structural form of the tool cannot be limited in the related art, the standard of the rigidity of the tool is low, the vibration of the rack of the battery pack cannot be verified, the tool design cost is increased, the period of the tool design is increased, and the requirement of the tool design cannot be met is solved.
Specifically, fig. 2 is a flow chart of a vibration tool design method of a vehicle battery system according to an embodiment of the present application.
As shown in fig. 2, the vibration tool design method of the vehicle battery system includes the following steps:
in step S201, the operating condition of the battery pack vibration is determined based on the target development requirement.
It can be appreciated that the embodiment of the present application may determine the working condition of the vibration of the battery pack based on the target development requirement, for example, as shown in fig. 3, the embodiment of the present application may determine the working condition of the test performed on the battery pack based on the national standard GB 38031-2020 or the test requirement in the development process, where the working condition includes, but is not limited to, signals of acceleration and frequency, etc., so as to effectively improve the design executable performance of the vibration tool of the battery system.
In step S202, frequency information of the battery pack is obtained according to the vibration condition of the battery pack, and a stiffness standard of the tooling design is generated based on the frequency information.
It can be understood that according to the embodiment of the application, the frequency information of the battery pack in the following steps can be obtained according to the working condition of vibration of the battery pack, and the rigidity standard of the tool design in the following steps is generated based on the frequency information, so that the accuracy of the tool design rigidity is effectively improved.
Wherein, in one embodiment of the present application, the frequency information includes at least one of a lowest frequency, a highest frequency, a frequency point of great interest, and a frequency point of maximum amplitude.
In the actual implementation process, the frequency information with the focus attention in the embodiment of the application comprises, but is not limited to, the lowest frequency, the highest frequency, the frequency point with the focus attention frequency and the largest amplitude, and the executable performance of the rigidity standard in the tool design is effectively improved.
Wherein, in one embodiment of the present application, the stiffness criteria include: when the difference between the system frequency and the lowest frequency quality inspection of the battery pack adding tool is larger than a preset difference, the first-order frequency of the tool is a preset multiple of the first-order main frequency of the battery pack; when the system frequency of the battery pack adding tool is estimated to reach the highest frequency, the first-order frequency of the tool is larger than the preset multiple of the highest frequency of the working condition; the frequency of the battery packaging system does not include the frequency of the preset important attention and the frequency point with the largest amplitude.
For example, when the difference between the system frequency of the battery pack tooling and the quality inspection of the lowest frequency is greater than a certain difference, the first-order frequency of the tooling is equal to three times the first-order main frequency of the battery pack, when the system frequency of the battery pack tooling is estimated to reach the highest frequency, the first-order frequency of the tooling is greater than three times the working condition highest frequency, and the frequency of the battery pack tooling system does not contain the frequency point with the focus on frequency and the maximum amplitude, so that the rigidity standard of the tooling can be specified based on the vibration working condition, the design period of the tooling is effectively reduced, and the cost of the tooling design is saved.
In step S203, the vibration tooling structure of the battery pack is designed according to the structure of the battery pack, a single tooling stiffness verification result is obtained based on the frequency structure of the vibration tooling structure, and a tooling-battery pack system stiffness verification result is obtained based on the frequency structure of the system mounted to the vibration tooling structure, so that when the single tooling stiffness verification result and the tooling-battery pack system stiffness verification result both meet stiffness standards, a final vibration tooling design result is obtained.
It can be understood that the embodiment of the application can design the vibration tool structure of the battery pack according to the structure of the battery pack, obtain the simplex tool stiffness verification result based on the frequency structure of the vibration tool structure in the following steps, and obtain the tool-battery pack system stiffness verification result based on the frequency structure of the system mounted to the vibration tool structure in the following steps, so as to obtain the final vibration tool design result when the simplex tool stiffness verification result and the tool-battery pack system stiffness verification result meet the stiffness standard, thereby effectively reducing the period and cost of tool design and meeting the requirements of tool design.
Wherein, in an embodiment of the present application, the frequency structure based on vibration frock structure obtains simplex dress rigidity verification result, includes: and for the supporting type tool or the hoisting type tool, obtaining a single tool rigidity verification result according to a comparison result between the first-order mode of the supporting type tool or the hoisting type tool and a preset multiple of the corresponding highest frequency.
For example, in the embodiment of the application, the designed battery pack tool structure can be subjected to modal analysis by using a finite element method, and the analyzed natural frequency structure is focused, wherein for a supporting tool, the first-order mode f1 of the tool is greater than the highest frequency of three working conditions, and for a hoisting tool, the first-order mode f1 of the tool is greater than the highest frequency of the working conditions, so that a single tool stiffness verification result can be obtained, the randomness of tool design is effectively avoided, and the controllability of the tool design cost is improved.
Wherein, in one embodiment of the present application, the fixture-battery pack system stiffness verification result is obtained based on the frequency structure of the system mounted to the vibrating fixture structure, comprising: and obtaining a stiffness verification result of the tool-battery pack system according to the relation between the first-order integral mode of the battery pack and the tool system and a preset range obtained by focusing on the frequency point.
As a possible implementation manner, as shown in fig. 4, in the embodiment of the present application, the structural system of the battery pack system mounted on the tool may be subjected to modal analysis by using a finite element method, and the natural frequency of the analysis is focused, where the first-order overall mode of the battery pack+tool system may be greater than or less than 10% of the focused frequency point, for example, assuming that the focused frequency point is fc, the first-order overall mode of the battery pack+tool system is greater than 1.1×fc, or less than 0.9×fc, the tool design is qualified, otherwise, a single tool needs to be redesigned to improve the rigidity of the tool, so that the manual operation cost of the tool design is effectively reduced, the accuracy of the tool design is improved, and the requirement of the tool design is effectively met.
According to the vibration tool design method of the vehicle battery system, which is provided by the embodiment of the application, the working condition of vibration of the battery pack can be determined based on target development requirements, so that frequency information of the battery pack is obtained, a tool design rigidity standard is generated based on the frequency information, a vibration tool structure of the battery pack is designed according to the structure of the battery pack, a single tool rigidity verification result is obtained based on the frequency structure of the vibration tool structure, and a tool-battery pack system rigidity verification result is obtained based on the frequency structure of a system mounted to the vibration tool structure, so that when the single tool rigidity verification result and the tool-battery pack system rigidity verification result meet the rigidity standard, a final vibration tool design result is obtained, the tool design period and cost are effectively reduced, and the tool design requirement is met. Therefore, the problem that the structural form of the tool cannot be limited in the related art, the standard of the rigidity of the tool is low, the vibration of the rack of the battery pack cannot be verified, the tool design cost is increased, the period of the tool design is increased, and the requirement of the tool design cannot be met is solved.
Next, a vibration tooling design device of a vehicle battery system according to an embodiment of the present application will be described with reference to the accompanying drawings.
Fig. 5 is a block schematic diagram of a vibration tooling design apparatus of a vehicle battery system according to an embodiment of the present application.
As shown in fig. 5, the vibration tooling design device 10 of the vehicle battery system includes: a determination module 100, a generation module 200 and a processing module 300.
Specifically, the determining module 100 is configured to determine a working condition of the vibration of the battery pack based on the target development requirement.
The generating module 200 is configured to obtain frequency information of the battery pack according to a vibration condition of the battery pack, and generate a stiffness standard of the tooling design based on the frequency information.
The processing module 300 is configured to design a vibration tooling structure of the battery pack according to the structure of the battery pack, obtain a single tooling stiffness verification result based on a frequency structure of the vibration tooling structure, and obtain a tooling-battery pack system stiffness verification result based on a frequency structure of a system mounted to the vibration tooling structure, so as to obtain a final vibration tooling design result when the single tooling stiffness verification result and the tooling-battery pack system stiffness verification result both meet stiffness standards.
Optionally, in one embodiment of the present application, the frequency information includes at least one of a lowest frequency, a highest frequency, a frequency point of great interest, and a frequency point of greatest amplitude.
Optionally, in an embodiment of the present application, the stiffness criterion includes that when the difference between the system frequency of the battery pack and the lowest frequency quality inspection is greater than a preset difference, the first-order frequency of the tool is a preset multiple of the first-order main frequency of the battery pack, when the system frequency of the battery pack and the tool is estimated to reach the highest frequency, the first-order frequency of the tool is greater than the preset multiple of the highest frequency of the working condition, and the frequency of the battery pack processing system does not include a frequency point with a preset focus and a frequency point with a maximum amplitude.
Optionally, in one embodiment of the present application, the processing module includes: and a processing unit.
The processing unit is used for obtaining a single tool stiffness verification result for the supporting type tool or the hoisting type tool according to a comparison result between a first-order mode of the supporting type tool or the hoisting type tool and a preset multiple of a corresponding highest frequency.
Optionally, in one embodiment of the present application, the processing module includes: and a generating unit.
The generating unit is used for obtaining a tool-battery pack system rigidity verification result according to the relation between the first-order integral mode of the battery pack and the tool system and a preset range obtained by focusing on the frequency point.
It should be noted that the foregoing explanation of the embodiments of the vibration tooling design method of the vehicle battery system is also applicable to the vibration tooling design device of the vehicle battery system of the embodiment, and will not be repeated here.
According to the vibration tool design device of the vehicle battery system, provided by the embodiment of the application, the working condition of vibration of the battery pack can be determined based on target development requirements, so that frequency information of the battery pack is obtained, the rigidity standard of tool design is generated based on the frequency information, the vibration tool structure of the battery pack is designed according to the structure of the battery pack, a single tool rigidity verification result is obtained based on the frequency structure of the vibration tool structure, and the tool-battery pack system rigidity verification result is obtained based on the frequency structure of a system mounted to the vibration tool structure, so that when the single tool rigidity verification result and the tool-battery pack system rigidity verification result meet the rigidity standard, the final vibration tool design result is obtained, the period and cost of tool design are effectively reduced, and the requirement of tool design is met. Therefore, the problem that the structural form of the tool cannot be limited in the related art, the standard of the rigidity of the tool is low, the vibration of the rack of the battery pack cannot be verified, the tool design cost is increased, the period of the tool design is increased, and the requirement of the tool design cannot be met is solved.
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application. The electronic device may include:
a memory 601, a processor 602, and a computer program stored on the memory 601 and executable on the processor 602.
The processor 602 implements the vibration tooling design method of the vehicle battery system provided in the above embodiment when executing the program.
Further, the electronic device further includes:
a communication interface 603 for communication between the memory 601 and the processor 602.
A memory 601 for storing a computer program executable on the processor 602.
The memory 601 may comprise a high-speed RAM memory or may further comprise a non-volatile memory (non-volatile memory), such as at least one disk memory.
If the memory 601, the processor 602, and the communication interface 603 are implemented independently, the communication interface 603, the memory 601, and the processor 602 may be connected to each other through a bus and perform communication with each other. The bus may be an industry standard architecture (Industry Standard Architecture, abbreviated ISA) bus, an external device interconnect (Peripheral Component, abbreviated PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, abbreviated EISA) bus, among others. The buses may be divided into address buses, data buses, control buses, etc. For ease of illustration, only one thick line is shown in fig. 6, but not only one bus or one type of bus.
Alternatively, in a specific implementation, if the memory 601, the processor 602, and the communication interface 603 are integrated on a chip, the memory 601, the processor 602, and the communication interface 603 may perform communication with each other through internal interfaces.
The processor 602 may be a central processing unit (Central Processing Unit, abbreviated as CPU), or an application specific integrated circuit (Application Specific Integrated Circuit, abbreviated as ASIC), or one or more integrated circuits configured to implement embodiments of the present application.
The present embodiment also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the vibration tooling design method of the vehicle battery system as above.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "N" is at least two, such as two, three, etc., unless explicitly defined otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and additional implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order from that shown or discussed, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or N wires, a portable computer cartridge (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It is to be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the N steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. As with the other embodiments, if implemented in hardware, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.
The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, or the like. Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
1. The vibration tool design method of the vehicle battery system is characterized by comprising the following steps of:
determining the working condition of vibration of the battery pack based on the target development requirement;
obtaining frequency information of the battery pack according to the vibration working condition of the battery pack, and generating a rigidity standard of the tool design based on the frequency information; and
and designing a vibration tool structure of the battery pack according to the structure of the battery pack, obtaining a single tool stiffness verification result based on the frequency structure of the vibration tool structure, and obtaining a tool-battery pack system stiffness verification result based on the frequency structure of a system mounted to the vibration tool structure, so as to obtain a final vibration tool design result when the single tool stiffness verification result and the tool-battery pack system stiffness verification result both meet the stiffness standard.
2. The method of claim 1, wherein the frequency information comprises at least one of a lowest frequency, a highest frequency, a frequency of interest, and a frequency point of greatest amplitude.
3. The method of claim 2, wherein the stiffness criteria comprises:
when the difference between the system frequency of the battery pack processing package and the lowest frequency quality inspection is evaluated to be larger than a preset difference, the first-order frequency of the tool is a preset multiple of the first-order main frequency of the battery pack;
when the system frequency of the battery pack adding tool is estimated to reach the highest frequency, the first-order frequency of the tool is larger than the preset multiple of the highest frequency of the working condition;
the frequency of the battery packaging system does not contain the frequency point with the preset important attention and the frequency point with the maximum amplitude.
4. A method according to claim 3, wherein the obtaining a single tooling stiffness verification result based on the frequency structure of the vibration tooling structure comprises:
and for the supporting type tool or the hoisting type tool, obtaining the single tool stiffness verification result according to a comparison result between the first-order mode of the supporting type tool or the hoisting type tool and a preset multiple of the corresponding highest frequency.
5. The method of claim 1, wherein the deriving a tool-to-battery pack system stiffness verification result based on a frequency structure of a system mounted to the vibrating tool structure comprises:
and obtaining a stiffness verification result of the tool-battery pack system according to the relation between the first-order integral mode of the battery pack and the tool system and a preset range obtained by focusing on the frequency point.
6. Vibration frock design device of vehicle battery system, characterized by, include:
the determining module is used for determining the working condition of the vibration of the battery pack based on the target development requirement;
the generating module is used for obtaining the frequency information of the battery pack according to the working condition of the vibration of the battery pack and generating the rigidity standard of the tooling design based on the frequency information; and
the processing module is used for designing a vibration tool structure of the battery pack according to the structure of the battery pack, obtaining a single tool stiffness verification result based on the frequency structure of the vibration tool structure, and obtaining a tool-battery pack system stiffness verification result based on the frequency structure of a system mounted to the vibration tool structure, so that when the single tool stiffness verification result and the tool-battery pack system stiffness verification result meet the stiffness standard, a final vibration tool design result is obtained.
7. The apparatus of claim 6, wherein the frequency information comprises at least one of a lowest frequency, a highest frequency, a frequency of interest, and a frequency point of greatest amplitude.
8. The apparatus of claim 7, wherein the stiffness criteria comprises a first order frequency of the tool being a preset multiple of a first order primary frequency of the battery pack when the difference between the system frequency of the battery pack process and the lowest frequency quality test is greater than a preset difference, the first order frequency of the tool being greater than a preset multiple of a highest frequency of an operating condition when the system frequency of the battery pack process is assessed to be up to the highest frequency, and wherein the frequency of the battery pack process system does not include a frequency of preset critical concern and a frequency point of maximum amplitude.
9. An electronic device, comprising: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the program to implement the vibration tooling design method of the vehicle battery system of any one of claims 1-5.
10. A computer-readable storage medium having stored thereon a computer program, characterized in that the program is executed by a processor for realizing the vibration tooling design method of the vehicle battery system according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310349438.XA CN116362049A (en) | 2023-04-03 | 2023-04-03 | Vibration tool design method and device for vehicle battery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310349438.XA CN116362049A (en) | 2023-04-03 | 2023-04-03 | Vibration tool design method and device for vehicle battery system |
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| CN116362049A true CN116362049A (en) | 2023-06-30 |
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| CN202310349438.XA Pending CN116362049A (en) | 2023-04-03 | 2023-04-03 | Vibration tool design method and device for vehicle battery system |
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| Country | Link |
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| CN (1) | CN116362049A (en) |
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- 2023-04-03 CN CN202310349438.XA patent/CN116362049A/en active Pending
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