CN115683522A - Battery module impact vibration test tool and test method - Google Patents
Battery module impact vibration test tool and test method Download PDFInfo
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- CN115683522A CN115683522A CN202211142695.8A CN202211142695A CN115683522A CN 115683522 A CN115683522 A CN 115683522A CN 202211142695 A CN202211142695 A CN 202211142695A CN 115683522 A CN115683522 A CN 115683522A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a battery module group impact vibration test tool and a test method, wherein the test tool comprises: a first mounting surface, a second mounting surface and a third mounting surface; the first mounting surface and the second mounting surface are arranged in parallel and connected through a connecting plate; one end of the second mounting surface is vertically and fixedly connected with the third mounting surface, and the third mounting surface extends towards the side opposite to the first mounting surface; the other end of the second mounting surface is fixedly connected with one end, far away from the end connected with the second mounting surface, of the third mounting surface through a group of reinforcing ribs; the first mounting surface is provided with a fixing hole corresponding to the fixing structure of the impact test bench; and fixing holes corresponding to the vibration test table fixing structure are formed in the second mounting surface and the third mounting surface. The test tool can be matched with mounting hole sites of different test tables, can meet the requirements of vibration test and impact test at the same time, can realize X-direction, Y-direction and Z-direction impact and vibration test on the same tool, and improves the test efficiency.
Description
Technical Field
The invention belongs to the technical field of power battery tests, and particularly relates to a battery module impact vibration test tool and a test method.
Background
With the rapid development of new energy industry, electric vehicles are receiving much attention, and the battery module is a core component of the electric vehicle and a power source of the electric vehicle. Generally, a plurality of battery monomers are combined in different series and/or parallel connection modes inside the battery module, and most of the outside of the battery module is fixedly protected by a metal shell. With the increasing demand of host computer factory to each performance of battery module, the capacity of battery also is increasing, consequently becomes high to the structural strength safety requirement of battery module. A series of environmental tests such as vibration tests, shock tests, etc. are required.
In the prior art, when a single battery module is tested, a tool is required to fix the battery module. However, the fixed dimensions of different test mounting surfaces cannot be matched with each other, such as vibration test and impact test, and the vibration table needs to be adjusted multiple times to obtain vibration excitation in different directions in the vibration test.
CN113390595A discloses battery package strikes frock, including the tripod of two relative settings, two tripods are through a crossbeam fixed connection, are equipped with the first base plate and the second base plate of perpendicular setting between two tripods, are equipped with the mounting hole that a plurality of cooperation battery wrapped on first base plate and the second base plate respectively. The tool can provide installation at different positions, the position of the battery pack is convenient to change during the impact test, the impact tests in different directions can be completed, and the efficiency of the impact test is improved; the bolt connected with the second substrate is provided with the anti-retreat mechanism, so that the stability is good, and the service life of the tool is long.
However, the impact test tool cannot be matched with mounting hole positions of different test tables, only can be applied to mounting surfaces of an impact test, cannot meet requirements of vibration tests and impact tests at the same time, and is still low in test efficiency.
Disclosure of Invention
The invention aims to solve the technical problem of providing a battery module impact vibration test tool and a test method, the test tool can be matched with mounting hole positions of different test tables, simultaneously meets the requirements of vibration test and impact test, can realize X, Y and Z-direction impact and vibration test on the same tool, and improves the test efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
firstly, provide a battery module shock vibration test frock, include:
a first mounting surface, a second mounting surface and a third mounting surface; the first mounting surface and the second mounting surface are arranged in parallel and connected through a connecting plate; one end of the second mounting surface is vertically and fixedly connected with the third mounting surface, and the third mounting surface extends towards the side opposite to the first mounting surface; the other end of the second mounting surface is fixedly connected with one end, far away from the end connected with the second mounting surface, of the third mounting surface through a group of reinforcing ribs;
the first mounting surface is provided with a fixing hole corresponding to the fixing structure of the impact test bench; and the second mounting surface and the third mounting surface are respectively provided with a fixing hole corresponding to the fixing structure of the vibration test bench.
As one of the practical schemes, the connecting plate is a group of plates which are vertically arranged, and two ends of each plate are respectively welded and fixed with the first mounting surface and the second mounting surface.
As another practical scheme, the connecting plate is two plates formed by punching the center of the first mounting surface outwards at one side, and the free ends of the two plates are welded and fixed with the second mounting surface. Therefore, the material for manufacturing the tool can be saved, and a welding process is omitted.
Preferably, as an implementable aspect, one end of the second mounting surface is perpendicularly welded and fixed to one end of the third mounting surface. As another practical solution, the second mounting surface and the third mounting surface are bent vertically and integrally formed.
Preferably, the group of reinforcing ribs comprises two reinforcing plates which are arranged in parallel, and each reinforcing plate is fixedly connected with the same side of the end part of the second mounting surface and the end part of the third mounting surface far away from the joint of the second mounting surface and the third mounting surface.
In a preferred embodiment, two ends of the reinforcing plate are respectively welded and fixed with the second mounting surface and the third mounting surface.
More specifically, the first mounting surface is a square thick metal plate, four sides of the first mounting surface are provided with four groups of round holes, and the position size and the external size of the round holes correspond to the mounting holes of the impact table fixing structure.
More specifically, the second mounting surface is also a square thick metal plate, four sides of the second mounting surface are provided with four groups of round holes, and the position size and the external size of the round holes correspond to the mounting holes of the fixed structure of the vibration table.
More specifically, the third mounting surface is also a square thick metal plate, four sides of the plate are also provided with four groups of round holes, and the position size and the external size of the round holes also correspond to the mounting holes of the fixed structure of the vibration table.
More specifically, the connecting plate is a set of thick metal plates for connecting the first mounting surface and the second mounting surface. And the connection position avoids the first mounting surface and the second mounting surface, and a proper distance is kept so as not to interfere the rotation of the screw rod. The height of the connecting plate is the distance between the first mounting surface and the second mounting surface, and the distance is subject to the standard that a fastening tool can be put in, the screw rod is not interfered for connection and fixation, and the fixation operation is not influenced.
The invention also provides a battery module impact vibration test method adopting the battery module impact vibration test tool, which specifically comprises the following steps:
during a Z-direction test, the battery module to be tested is fixedly arranged on the second mounting surface through a fixing structure (generally a clamp); then fixing the battery module impact vibration test tool on the vibration test table through a fixing hole which is formed in the second mounting surface and is consistent with the fixing structure of the vibration test table, and completing the Z-direction vibration test; then directly installing the tool on the impact test table through a fixing hole which is formed in the first installation surface and corresponds to the fixing structure of the impact test table, and completing Z-direction impact test;
during the X-direction test, the battery module to be tested is fixedly arranged on the third mounting surface through the fixing structure; then fixing the battery module impact vibration test tool on the vibration test table through a fixing hole which is formed in the third mounting surface and is consistent with the fixing structure of the vibration test table, and completing the X-direction vibration test; then directly installing the tool on the impact test table through a fixing hole which is formed in the first installation surface and corresponds to the fixing structure of the impact test table, and completing the X-direction impact test;
during the Y-direction test, the battery module to be tested is rotated by 90 degrees relative to the X-direction impact test and is fixedly arranged on the third mounting surface through the fixing structure; then fixing the battery module impact vibration test tool on the vibration test table through a fixing hole which is formed in the third mounting surface and is consistent with the fixing structure of the vibration test table, and completing the Y-direction vibration test; and then, the tool is directly installed on the impact test table through a fixing hole which is formed in the first installation surface and corresponds to the fixing structure of the impact test table, and the Y-direction impact test is completed.
The invention has the technical effects that:
the test tool provided by the invention is provided with three mounting surfaces, including a first mounting surface, a second mounting surface and a third mounting surface; the first installation face is provided with a fixing hole consistent with the fixing structure of the impact table, and the second installation face and the third installation face are both provided with fixing holes consistent with the fixing structure of the vibration test table. When carrying out vibration test to the battery module that awaits measuring, because all be equipped with the fixed orifices unanimous with vibration test platform fixed knot structure on second, the third installation face, can accomplish the vibration test of X, Y, Z direction through with second, third installation face. When the impact test is carried out on the battery module to be tested, the tool provided by the invention is arranged on the impact table through the first mounting surface, and the battery module to be tested is arranged on the second mounting surface and the third mounting surface, so that the impact test in X, Y and Z directions can be realized.
Therefore, when the impact test is carried out, the fixed structure (the mounting hole of the vibration table) of the battery module to be tested on the vibration table can be directly suitable for the tool along the fixed structure (the mounting hole of the vibration table) of the battery module to be tested when the vibration test is carried out, the vibration test can be carried out, and the tool is required to be fixed on the battery module to be tested again when the impact test can be removed. Thereby can realize that a frock can match the fixed knot of two testboards and construct to satisfy the needs of vibration test and impact test simultaneously.
In addition, the tool provided by the invention can realize the impact tests in the X direction, the Y direction and the Z direction, so that the problem that the test direction of the impact test bed cannot be basically adjusted and the test direction needs to be adjusted through the tool is solved. The fixture can realize the fixation of the test in the X, Y and Z three impact directions simultaneously, and does not need to design three clamps to fix the battery module to be tested. The test project can be completed more efficiently in a short time, and the development cycle of the battery pack project can be shortened to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a battery module impact vibration test tool provided in an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of the battery module impact vibration test tool according to the embodiment of the invention.
The invention is illustrated by the reference numerals:
| reference numerals | Name (R) |
| 1 | |
| 2 | Connecting |
| 3 | |
| 4 | |
| 5 | Reinforcing rib |
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
This embodiment provides a battery module shock vibration test frock, includes:
a first mounting surface 1, a second mounting surface 3, and a third mounting surface 4; the first mounting surface 1 and the second mounting surface 3 are arranged in parallel and connected through a connecting plate 2; one end of the second mounting surface 3 is vertically and fixedly connected with the third mounting surface 4, and the third mounting surface 4 extends towards the side opposite to the first mounting surface 1; the other end of the second mounting surface 3 is fixedly connected with one end, far away from the end connected with the second mounting surface 3, of the third mounting surface 4 through a group of reinforcing ribs 5;
the first mounting surface 1 is provided with a fixing hole corresponding to the fixing structure of the impact test bench; and fixing holes corresponding to the fixing structure of the vibration test bench are formed in the second mounting surface 3 and the third mounting surface 4. In this embodiment, the first mounting surface 1 is a square thick metal plate, four sides of the first mounting surface are provided with four sets of round holes, and the position and size of the round holes and the size and shape of the round holes correspond to the mounting holes of the impact table fixing structure. The second mounting surface 3 is also a square thick metal plate, four sides of the second mounting surface are provided with four groups of round holes, and the position size and the appearance size of the round holes correspond to the mounting holes of the fixed structure of the vibration table. The third mounting surface 4 is also a square thick metal plate, four groups of round holes are arranged on four sides of the plate, and the position size and the appearance size of the round holes also correspond to the mounting holes of the fixed structure of the vibration table.
The second mounting surface 3 and the third mounting surface 4 are vertically bent and integrally formed. As another practical solution, the second mounting surface 3 and the third mounting surface 4 are two separate square metal plates, and one end of the second mounting surface 3 and one end of the third mounting surface 4 are vertically welded and fixed.
In the embodiment, the connecting plate 2 is two plates formed by pressing the center of the first mounting surface 1 outwards towards one side, and the free ends of the two plates are welded and fixed with the second mounting surface 3. Therefore, the material for manufacturing the tool can be saved, and a welding process is omitted. As another practical solution, the connecting plate 2 may be a set of vertically arranged plates, and two ends of each plate are welded and fixed to the first mounting surface and the second mounting surface respectively. The connecting plate 2 is a set of thick metal plates and is used for connecting the first mounting surface and the second mounting surface. And the connection position avoids the first installation surface 1 and the second installation surface 3, and keeps a proper distance so as not to interfere the rotation of the screw. The height of the connecting plate 2 is the distance between the first mounting surface 1 and the second mounting surface 3, and the distance is subject to the condition that a fastening tool can be put in, the screw rod is not interfered for connection and fixation, and the fixation operation is not influenced.
In this embodiment, the set of reinforcing ribs 5 includes two metal reinforcing plates disposed in parallel, and each reinforcing plate is fixedly connected to the same side of the end portions of the second mounting surface 3 and the third mounting surface 4 away from the joint therebetween. And two ends of the reinforcing plate are respectively welded and fixed with the second mounting surface 3 and the third mounting surface 4.
The test method adopting the battery module impact vibration test tool provided by the embodiment comprises the following steps:
during a Z-direction test, the battery module to be tested is fixedly arranged on the second mounting surface 3 through a fixing structure (generally a clamp); then fixing the battery module impact vibration test tool on the vibration test table through a fixing hole which is formed in the second mounting surface 3 and is consistent with the fixing structure of the vibration test table, and completing the Z-direction vibration test; then directly installing the tool on the impact test table through a fixing hole which is formed in the first installation surface 1 and corresponds to the fixing structure of the impact test table, and completing Z-direction impact test;
during the X-direction test, the battery module to be tested is fixedly arranged on the third mounting surface 4 through the fixing structure; then fixing the battery module impact vibration test tool on the vibration test table through a fixing hole which is formed in the third mounting surface 4 and is consistent with the fixing structure of the vibration test table, and completing the X-direction vibration test; then, directly installing the tool on the impact test table through a fixing hole which is formed in the first installation surface 1 and corresponds to the fixing structure of the impact test table, and completing the X-direction impact test;
during the Y-direction test, the battery module to be tested is rotated by 90 degrees relative to the X-direction impact test and is fixedly arranged on the third mounting surface 4 through a fixing structure; then fixing the battery module impact vibration test tool on the vibration test table through a fixing hole which is formed in the third mounting surface 4 and is consistent with the fixing structure of the vibration test table, and completing the Y-direction vibration test; and then, the tool is directly installed on the impact test table through a fixing hole which is formed in the first installation surface 1 and corresponds to the fixing structure of the impact test table, and the Y-direction impact test is completed.
The test tool provided by the embodiment is provided with three mounting surfaces, including a first mounting surface 1, a second mounting surface 3 and a third mounting surface 4; the first installation surface 1 is provided with a fixing hole consistent with the fixing structure of the impact table, and the second installation surface 3 and the third installation surface 4 are both provided with fixing holes consistent with the fixing structure of the vibration test table. When carrying out vibration test to the battery module that awaits measuring, because all be equipped with the fixed orifices unanimous with vibration test platform fixed knot structure on second installation face 3, the third installation face 4, can accomplish the vibration test of X, Y, Z direction through second installation face 3, third installation face 4. When the battery module to be tested is subjected to an impact test, the tool provided by the invention is arranged on the impact table through the first mounting surface 1, and the battery module to be tested is arranged on the second mounting surface 3 and the third mounting surface 4, so that the impact test in the X, Y and Z directions can be realized.
Therefore, when the impact test is carried out, the fixed structure (the mounting hole of the vibration table) of the battery module to be tested on the vibration table can be directly suitable for the tool along the fixed structure (the mounting hole of the vibration table) of the battery module to be tested when the vibration test is carried out, the vibration test can be carried out, and the tool is required to be fixed on the battery module to be tested again when the impact test can be removed. Thereby can realize that a frock can match the fixed knot of two testboards and construct to satisfy the needs of vibration test and impact test simultaneously. In addition, the tool provided by the invention can realize the impact tests in the X direction, the Y direction and the Z direction, so that the problem that the test direction of the impact test bed cannot be basically adjusted and the test direction needs to be adjusted through the tool is solved. The fixture can simultaneously realize the fixation of the test in the X, Y and Z three impact directions, and does not need to design three fixtures to fix the battery module to be tested. The test project can be completed more efficiently in a short time, and the development cycle of the battery pack project can be shortened to a certain extent.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a battery module shock vibration test frock which characterized in that includes:
a first mounting surface, a second mounting surface and a third mounting surface; the first mounting surface and the second mounting surface are arranged in parallel and connected through a connecting plate; one end of the second mounting surface is vertically and fixedly connected with the third mounting surface, and the third mounting surface extends towards the side opposite to the first mounting surface; the other end of the second mounting surface is fixedly connected with one end, far away from the end connected with the second mounting surface, of the third mounting surface through a group of reinforcing ribs;
the first mounting surface is provided with a fixing hole corresponding to the fixing structure of the impact test bench; and the second mounting surface and the third mounting surface are provided with fixing holes corresponding to the fixing structure of the vibration test bench.
2. The battery module impact vibration test tool of claim 1,
the connecting plate is a set of plate that sets up perpendicularly, and the both ends of plate are installed face, second installation face welded fastening with first installation respectively.
3. The battery module impact vibration test tool of claim 1,
the connecting plate is two plates formed by outwards turning the center of the first mounting surface towards one side, and the free ends of the two plates are welded and fixed with the second mounting surface.
4. The battery module impact vibration test tool according to any one of claims 1 to 3,
one end of the second mounting surface is vertically welded and fixed with one end of the third mounting surface; or the second mounting surface and the third mounting surface are vertically bent and integrally formed.
5. The battery module impact vibration test tool of any one of claims 1-3,
the group of reinforcing ribs comprises two reinforcing plates which are arranged in parallel, and each reinforcing plate is fixedly connected with the same side of the end part of the second mounting surface and the end part of the third mounting surface, which are far away from the joint of the second mounting surface and the third mounting surface.
6. The battery module impact vibration test tool of claim 5,
and two ends of the reinforcing plate are welded and fixed with the second mounting surface and the third mounting surface respectively.
7. The battery module impact vibration test tool of any one of claims 1-3 or 6,
the first mounting surface is a square metal thick plate, four sides of the first mounting surface are provided with four groups of round holes, and the position size and the appearance size of the round holes correspond to the mounting holes of the impact table fixing structure.
8. The battery module impact vibration test tool of any one of claims 1-3 or 6,
the second mounting surface is a square metal thick plate, four sides of the second mounting surface are provided with four groups of round holes, and the position size and the appearance size of the round holes correspond to the mounting holes of the fixed structure of the vibration table.
9. The battery module impact vibration test tool of any one of claims 1-3 or 6,
the third mounting surface is a square metal thick plate, four sides of the third mounting surface are provided with four groups of round holes, and the position size and the appearance size of the round holes correspond to the mounting holes of the fixed structure of the vibration table.
10. The battery module impact vibration test method using the battery module impact vibration test tool according to any one of claims 1 to 9, characterized by specifically comprising the steps of:
during the Z-direction test, the battery module to be tested is fixedly arranged on the second mounting surface through the fixing structure; then fixing the battery module impact vibration test tool on the vibration test table through a fixing hole which is formed in the second mounting surface and is consistent with the fixing structure of the vibration test table, and completing the Z-direction vibration test; then directly installing the tool on the impact test table through a fixing hole which is formed in the first installation surface and corresponds to the fixing structure of the impact test table, and completing Z-direction impact test;
during the X-direction test, the battery module to be tested is fixedly arranged on the third mounting surface through the fixing structure; then fixing the battery module impact vibration test tool on the vibration test table through a fixing hole which is formed in the third mounting surface and is consistent with the fixing structure of the vibration test table, and completing the X-direction vibration test; then directly installing the tool on the impact test table through a fixing hole which is formed in the first installation surface and corresponds to the fixing structure of the impact test table, and completing the X-direction impact test;
during the Y-direction test, the battery module to be tested is rotated by 90 degrees relative to the X-direction impact test and is fixedly arranged on the third mounting surface through the fixing structure; then fixing the battery module impact vibration test tool on the vibration test table through a fixing hole which is formed in the third mounting surface and is consistent with the fixing structure of the vibration test table, and completing the Y-direction vibration test; and then, directly installing the tool on the impact test table through a fixing hole which is arranged on the first installation surface and corresponds to the fixing structure of the impact test table, and completing Y-direction impact test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211142695.8A CN115683522A (en) | 2022-09-20 | 2022-09-20 | Battery module impact vibration test tool and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211142695.8A CN115683522A (en) | 2022-09-20 | 2022-09-20 | Battery module impact vibration test tool and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115683522A true CN115683522A (en) | 2023-02-03 |
Family
ID=85061845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211142695.8A Pending CN115683522A (en) | 2022-09-20 | 2022-09-20 | Battery module impact vibration test tool and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115683522A (en) |
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2022
- 2022-09-20 CN CN202211142695.8A patent/CN115683522A/en active Pending
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