CN113533037A - Test load device for simulating cell - Google Patents
Test load device for simulating cell Download PDFInfo
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- CN113533037A CN113533037A CN202110630571.3A CN202110630571A CN113533037A CN 113533037 A CN113533037 A CN 113533037A CN 202110630571 A CN202110630571 A CN 202110630571A CN 113533037 A CN113533037 A CN 113533037A
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- positioning
- positioning plates
- test load
- load device
- simulating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
Abstract
The invention discloses a test load device for simulating a battery cell, which comprises: the shell is internally provided with an accommodating cavity; and the supporting unit is positioned in the accommodating cavity and connected to one of the opposite side walls of the shell. The supporting unit is placed in the shell, the internal structure achieves the characteristics of similar extrusion resistance and deformation resistance in the test load device of the simulation cell, the accident occurrence condition of a tester is avoided during the experiment, the test cost is reduced, a supplier and a user can test equipment on site through the test load device of the simulation cell, and the test effect is achieved.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a test load device for simulating a cell.
Background
Nowadays, environmental protection is more and more important for all countries in the world, so that the development of various new energy technologies is greatly supported. Automobile exhaust is an important source of air pollution, and various automobile manufacturers have started to research new energy automobiles. The electric automobile is used as a new energy automobile, and the exhaust emission of 0 is really realized. However, electric vehicles face more safety hazards than conventional vehicles, and more stringent safety monitoring standards must be implemented.
The power battery is one of the core components of the pure electric vehicle, and not only involves the time consumption of full charge and the longest driving range, but also involves the safety guarantee of the vehicle under various complex working conditions, so the safety of the power battery is particularly important. Two important tests of the safety test of the battery pack are a squeezing test and a needling test, and the squeezing force given by the battery pack according to the standard test can be known through quantitative indexes.
And an extrusion and acupuncture tester is required for completing the test, the battery pack extrusion and acupuncture tester is not standard test equipment, and the manufacturer and the technical personnel of the user combine standard parameter requirements and concrete technical standards confirmed by the actual requirements of enterprises. In reality, how to check whether the new equipment meets the technical requirements agreed in advance needs to be tested on site, the true battery pack can only be subjected to a single experiment, so that the cost is high, in the verification process, testers need to operate nearby, the true battery pack can explode in the test process, and therefore the true battery pack cannot be used for verification in the test process.
From this, appear a test load device of simulation electric core cell, it is simply to do the load with steel sheet or aluminum plate, even the extrusion force can reach, nevertheless because steel sheet and aluminum plate all are solid form, can't obtain the displacement relation of extrusion force and deformation, can't satisfy the experiment.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: it is an object of the present invention to provide a test load device for simulating a cell, so as to solve one or more of the technical problems in the prior art, and to provide at least one of the advantages of the present invention.
The solution of the invention for solving the technical problem is as follows:
a test load device for simulating a cell, comprising: the device comprises a shell, a first fixing piece and a second fixing piece, wherein an accommodating cavity is formed in the shell; the supporting unit is positioned in the accommodating cavity and connected to one of the opposite side walls of the shell.
The invention has the advantages that the supporting unit is placed in the shell, the internal structure achieves the characteristics of similar extrusion resistance and deformation resistance in the cell, the accident of a tester is avoided during the experiment, the cost of the experiment is reduced, and the test load device of the cell can be simulated to enable a supplier and a user to test equipment on site, thereby achieving the effect of convenient test.
As a further improvement of the technical scheme, the shell is of a closed structure.
The casing is the confined structure, and it is similar with the appearance of battery package, guarantees the accuracy of test result.
As a further improvement of the above technical solution, the supporting unit includes a plurality of supporting tubes, two ends of the supporting tubes are connected to one of the opposite side walls of the housing, and the supporting tubes are uniformly distributed in the accommodating cavity.
A plurality of stay tubes evenly distributed, this inner structure reaches the inherent characteristics that have similar anti extrusion and deformation of electric core cell, guarantees the accuracy of test result.
As a further improvement of the technical scheme, a plurality of supporting tubes are distributed in an array.
A plurality of stay tubes are array evenly distributed, and this inner structure reaches the inherent characteristics that have similar anti extrusion and deformation of electricity core cell, guarantees the accuracy of test result.
As a further improvement of the technical scheme, one of the support tubes is taken as a center, and the rest of the support tubes are circumferentially distributed on the outer side of the support tube positioned in the center.
The other arrangement mode of the supporting pipes is that the supporting pipes are uniformly distributed, the internal structure achieves the characteristics of similar extrusion resistance and deformation resistance in the cell, and the accuracy of a test result is ensured.
As a further improvement of the above technical solution, a first positioning unit is connected in the housing, the first positioning unit includes a plurality of first positioning plates, the first positioning plates are arranged along the length direction of the supporting tube, the first positioning plates are uniformly distributed in the accommodating cavity, and the supporting tube is penetrated by the first positioning plates.
A plurality of first locating plates are evenly arranged, the position of the supporting tube in the shell is further limited, in the test process, the supporting tube is connected to the position of the shell to be unchanged as far as possible, the internal structure achieves the characteristic that the cell is internally provided with similar anti-extrusion and deformation, and the accuracy of the test result is guaranteed.
As a further improvement of the above technical solution, a second positioning unit is connected between adjacent first positioning plates, the second positioning unit includes a plurality of second positioning plates connected perpendicularly to each other, the plurality of second positioning plates are connected between adjacent first positioning plates, and the support tube is located between adjacent second positioning plates.
Add polylith second locating plate, strengthen the connection stability between the adjacent first locating plate, in the experimentation, guarantee as far as possible that the stay tube is connected in the position of casing unchangeable, this inner structure reaches the inherent characteristics that have similar anti extrusion and deformation of electric core cell, guarantees the accuracy of test result.
As a further improvement of the above technical solution, a second positioning unit is connected between adjacent first positioning plates, the second positioning unit includes a first positioning ring and a plurality of third positioning plates, the plurality of third positioning plates are uniformly and circumferentially connected to the outer side wall of the first positioning ring, the first positioning ring and the plurality of third positioning plates are located between adjacent first positioning plates, and the support tube penetrates through the first positioning ring or is located between adjacent third positioning plates.
Add polylith third locating plate and first locating ring, strengthen the connection stability between the adjacent first locating plate, in the experimentation, guarantee as far as possible that the stay tube is connected in the position of casing unchangeable, this inner structure reaches the inherent characteristics that have similar anti extrusion and deformation of electric core cell, guarantees the accuracy of test result.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
Fig. 1 is a front view of a test load device simulating a cell according to embodiment 1 of the present invention;
fig. 2 is an exploded view of a test load device simulating a cell according to embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 1;
fig. 4 is a cross-sectional view of a test load device simulating a cell according to embodiment 2 of the present invention, taken along the horizontal direction;
fig. 5 is a cross-sectional view of a test load device simulating a cell according to embodiment 3 of the present invention, taken along the horizontal direction;
fig. 6 is a cross-sectional view of a test load device simulating a cell according to embodiment 4 of the present invention, the cross-sectional view being taken along the horizontal direction.
In the figure, 1, a housing; 11. an accommodating chamber; 2. supporting a tube; 3. a first positioning plate; 4. a second positioning plate; 5. a first positioning ring; 6. and a third positioning plate.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, a test load device for simulating a cell according to the present invention is made as in example 1 below:
referring to fig. 1 and 2, a test load device for simulating a cell includes a housing 1, a containing cavity 11 is provided in the housing 1, a supporting unit is provided in the containing cavity 11, the supporting unit is connected to a side wall of the housing 1, the supporting unit and the housing 1 form the test load device for simulating the cell for testing, the compressive resistance and the deformation of the test load device are tested, the placing direction of the housing 1 is defined as the up-down direction during the test, and the corresponding supporting unit is arranged along the up-down direction.
Referring to fig. 1 and 2, in this embodiment, the housing 1 is a closed structure, the housing 1 is composed of a bottom plate, a top plate and side plates, the side plates are bent to form a structure with a cross section shaped like a Chinese character 'hui', the bottom plate, the top plate and the side plates are surrounded to form an accommodating cavity 11, and the housing 1 is in a cube shape, specifically, the bottom plate, the top plate and the side plates are all aluminum plates.
Referring to fig. 2, the supporting unit includes a plurality of supporting tubes 2, and supporting tube 2 is vertical setting, and the both ends of supporting tube 2 are connected respectively in roof and bottom plate, and a plurality of supporting tubes 2 evenly distributed holds the chamber 11 in, and the interval of adjacent supporting tube 2 is the same, and is concrete, supporting tube 2 is thin aluminum pipe.
Referring to fig. 3, in the present embodiment, the plurality of support tubes 2 are distributed in an array, the plurality of support tubes 2 may be arranged in a triangular shape, a square shape, or a diamond shape, and specifically, the plurality of support tubes 2 are arranged in a square shape.
Referring to fig. 2, 1 in-connection of casing has first locating unit, first locating unit includes a plurality of first locating plate 3, 3 horizontal connection in curb plate of first locating plate, a plurality of first locating plate 3 evenly distributed hold the chamber 11 in, first locating plate 3 is provided with a plurality of locating holes, the diameter of locating hole is the same with the external diameter of stay tube 2, stay tube 2 wears to establish first locating plate 3 through the locating hole, and is concrete, first locating plate 3 is provided with four, wherein two first locating plate 3 support respectively in roof and bottom plate.
Referring to fig. 2, be connected with the second locating unit between the adjacent first locating plate 3, the second locating unit is worn to establish by stay tube 2, the second locating unit includes that the polylith is the second locating plate 4 of vertical setting, polylith second locating plate 4 mutually perpendicular connects, polylith second locating plate 4 is connected between adjacent first locating plate 3, and is concrete, second locating plate 4 has three, wherein two second locating plates 4 are parallel to each other, two second locating plates 4 that the equal perpendicular to of remaining second locating plate 4 is parallel to each other, the backup pad is worn to establish between adjacent second locating plate 4, and is concrete, second locating plate 4 is 1 mm's steel sheet, three second locating plate 4 spot welding connects.
Referring to fig. 4, the following example 2 is made for the test load device of the simulation cell of the present invention:
the difference from embodiment 1 is that the arrangement of the plurality of support tubes 2 is different, and one of the support tubes 2 is used as a center, and the rest of the support tubes 2 are circumferentially distributed outside the support tube 2 located at the center.
Referring to fig. 5, the following example 3 is made for the test load device of the simulation cell of the present invention:
the difference with embodiment 1 lies in, the structure of second positioning unit is different, and the second positioning unit includes first locating ring 5 and polylith third locating plate 6, and the even circumference of polylith third locating plate 6 connects in the lateral wall of first locating ring 5, and first locating ring 5 and polylith third locating plate 6 are located between the adjacent first locating plate 3, and wherein the stay tube 2 that is close to the center wears to establish first locating ring 5, and corresponding stay tube 2 is located between the adjacent third locating plate 6.
Referring to fig. 6, the following example 4 is made for the test load device of the simulation cell of the present invention:
the difference with embodiment 2 lies in, the structure of second locating unit is different, and the second locating unit includes first locating ring 5 and polylith third locating plate 6, and polylith third locating plate 6 is even circumferential connection in the lateral wall of first locating ring 5, and first locating ring 5 and polylith third locating plate 6 are located between the adjacent first locating plate 3, and first locating ring 5 is worn to establish by one of them stay tube 2 that is located the center, and corresponding stay tube 2 is located between the adjacent third locating plate 6.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (8)
1. A test load device for simulating a cell, comprising:
the device comprises a shell (1), wherein an accommodating cavity (11) is formed in the shell (1);
the supporting unit is located in the accommodating cavity (11) and connected to the side wall of the shell (1).
2. A test load arrangement simulating a cell according to claim 1, characterised in that the housing (1) is of a closed construction.
3. A test load device simulating a cell according to claim 2, wherein the supporting unit comprises a plurality of supporting tubes (2), two ends of the supporting tubes (2) are connected to one of the opposite side walls of the casing (1), and the supporting tubes (2) are uniformly distributed in the accommodating cavity (11).
4. A test load arrangement simulating a cell according to claim 3, characterised in that a plurality of said support tubes (2) are arranged in an array.
5. A test load device simulating a cell according to claim 3, wherein the support tube (2) is centered on one of the support tubes (2), and the rest of the support tubes (2) are circumferentially distributed outside the centered support tube (2).
6. The test load device for simulating the cell of the battery cell as claimed in claim 4 or 5, wherein a first positioning unit is connected in the housing (1), the first positioning unit includes a plurality of first positioning plates (3), the plurality of first positioning plates (3) are arranged along the length direction of the supporting tube (2), the plurality of first positioning plates (3) are uniformly distributed in the accommodating cavity (11), and the supporting tube (2) penetrates through the first positioning plates (3).
7. The test load device for simulating the battery cell according to claim 6, wherein a second positioning unit is connected between the adjacent first positioning plates (3), the second positioning unit comprises a plurality of second positioning plates (4) which are vertically connected with each other, the plurality of second positioning plates (4) are connected between the adjacent first positioning plates (3), and the support tube (2) is located between the adjacent second positioning plates (4).
8. The device for testing the cell load of the battery cell according to claim 6, wherein a second positioning unit is connected between adjacent first positioning plates (3), the second positioning unit comprises a first positioning ring (5) and a plurality of third positioning plates (6), the plurality of third positioning plates (6) are uniformly and circumferentially connected to the outer side wall of the first positioning ring (5), the first positioning ring (5) and the plurality of third positioning plates (6) are located between adjacent first positioning plates (3), and the support tube (2) penetrates through the first positioning ring (5) or is located between adjacent third positioning plates (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630571.3A CN113533037B (en) | 2021-06-07 | 2021-06-07 | Test load device for simulating cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630571.3A CN113533037B (en) | 2021-06-07 | 2021-06-07 | Test load device for simulating cell |
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| Publication Number | Publication Date |
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| CN113533037A true CN113533037A (en) | 2021-10-22 |
| CN113533037B CN113533037B (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120013341A1 (en) * | 2010-07-16 | 2012-01-19 | Tesla Motors, Inc. | Method and Apparatus for Electrically Cycling a Battery Cell to Simulate an Internal Short |
| CN103367664A (en) * | 2012-03-27 | 2013-10-23 | 重庆长安汽车股份有限公司 | Battery module and battery cell grouping device thereof |
| CN205139335U (en) * | 2015-11-13 | 2016-04-06 | 东莞市创明电池技术有限公司 | Battery performance simulation testing arrangement |
| CN107611470A (en) * | 2017-10-13 | 2018-01-19 | 常州普莱德新能源电池科技有限公司 | Virtual battery module |
| CN209656862U (en) * | 2018-12-24 | 2019-11-19 | 深圳市比克动力电池有限公司 | Battery simulating device |
-
2021
- 2021-06-07 CN CN202110630571.3A patent/CN113533037B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120013341A1 (en) * | 2010-07-16 | 2012-01-19 | Tesla Motors, Inc. | Method and Apparatus for Electrically Cycling a Battery Cell to Simulate an Internal Short |
| CN103367664A (en) * | 2012-03-27 | 2013-10-23 | 重庆长安汽车股份有限公司 | Battery module and battery cell grouping device thereof |
| CN205139335U (en) * | 2015-11-13 | 2016-04-06 | 东莞市创明电池技术有限公司 | Battery performance simulation testing arrangement |
| CN107611470A (en) * | 2017-10-13 | 2018-01-19 | 常州普莱德新能源电池科技有限公司 | Virtual battery module |
| CN209656862U (en) * | 2018-12-24 | 2019-11-19 | 深圳市比克动力电池有限公司 | Battery simulating device |
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| Publication number | Publication date |
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| CN113533037B (en) | 2022-04-12 |
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