CN212410279U - BUSBAR solder joint tensile test device - Google Patents

BUSBAR solder joint tensile test device Download PDF

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Publication number
CN212410279U
CN212410279U CN202020718157.9U CN202020718157U CN212410279U CN 212410279 U CN212410279 U CN 212410279U CN 202020718157 U CN202020718157 U CN 202020718157U CN 212410279 U CN212410279 U CN 212410279U
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China
Prior art keywords
pressing plate
busbar
clamping
solder joint
tensile test
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CN202020718157.9U
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Chinese (zh)
Inventor
陆巍巍
靳永伟
温业勇
张伟
周德和
王华文
许辉勇
王明旺
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Xinwangda Power Technology Co ltd
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Sunwoda Electric Vehicle Battery Co Ltd
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Abstract

The utility model discloses a BUSBAR solder joint tensile test device, include: the fixing part comprises a first clamping part and a second clamping part, the first clamping part and the second clamping part are correspondingly arranged and used for clamping the BUSBAR, so that the BUSBAR stretches the welding spot when moving in the direction vertical to the clamping direction, and the strength of the welding spot is tested. The utility model discloses can reduce BUSBAR solder joint tensile test error, improve detection efficiency.

Description

BUSBAR solder joint tensile test device
Technical Field
The utility model belongs to the technical field of the electric automobile and specifically relates to a BUSBAR solder joint tensile test device is related to.
Background
BUSBAR: bus bars or so-called busbars.
Along with the improvement of people's living standard, the low carbon economy becomes the melody, and especially in the aspect of going on a journey, electric automobile becomes more people's selection, and the electric automobile drive source is the power battery module, and in the battery module, the reliability of welding directly influences the safety of battery module between BUSBAR and the electric core utmost point post, so can all carry out the tensile test of solder joint between BUSBAR and the electric core utmost point post before the battery module dispatches from the factory, test its welding strength.
At present, the BUSBAR welding spot tensile test has the defects of large error, low efficiency and complicated process, and cannot meet the requirement of reliability.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a BUSBAR solder joint tensile test device can reduce BUSBAR solder joint tensile test error, improves detection efficiency.
According to the utility model discloses BUSBAR solder joint tensile test device, BUSBAR passes through solder joint and the welding of battery utmost point post, a serial communication port, include: the fixing part comprises a first clamping part and a second clamping part, the first clamping part and the second clamping part are correspondingly arranged and used for clamping the BUSBAR, so that the BUSBAR stretches the welding spot when moving in the direction vertical to the clamping direction, and the welding spot strength is tested.
According to the utility model discloses BUSBAR solder joint tensile test device has following beneficial effect at least: can carry out the centre gripping to BUSBAR through first hold assembly and second hold assembly in this embodiment to can keep BUSBAR all the time to go on along vertical direction when shearing tensile test, solve the big problem of tensile test error, realize the experimental error that BUSBAR solder joint tensile test detected, improve detection efficiency, make whole experimental testing process complexity greatly reduced.
According to some embodiments of the present invention, the first clamping member comprises a first pushing member and a first pressing plate, the first pushing member is connected with the first pressing plate, and the first pushing member is used for driving the first pressing plate to move.
According to some embodiments of the present invention, the second clamping member comprises a second pushing member and a second pressing plate, the second pushing member is connected to the second pressing plate, and the second pushing member is used for driving the second pressing plate to move.
According to some embodiments of the utility model, the fixed part still includes third clamping component and fourth clamping component, the third clamping component with the fourth clamping component corresponds the setting for centre gripping battery utmost point post.
According to some embodiments of the invention, the third clamping member comprises a first stop member and a third pressure plate, the first stop member being adapted to limit the height of the third pressure plate.
According to some embodiments of the invention, the fourth clamping member comprises a second stop member and a fourth press plate, the second stop member being adapted to limit the height of the fourth press plate.
According to some embodiments of the utility model, still include the bottom plate, the bottom plate respectively with first clamp plate, second clamp plate, third clamp plate, fourth clamp plate swing joint.
According to some embodiments of the present invention, the thickness and area of the first pressing plate, the second pressing plate, the third pressing plate, the fourth pressing plate are all adjustable.
Additional aspects and advantages of the invention 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 invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a front view of a BUSBAR solder joint tensile test device according to an embodiment of the present invention;
FIG. 2 is a perspective view of a BUSBAR solder joint tensile test apparatus according to an embodiment of the present invention;
FIG. 3 is a diagram of the state of the BUSBAR solder joint tensile testing apparatus according to the embodiment of the present invention;
fig. 4 is another usage state diagram of the BUSBAR solder joint tensile test apparatus according to the embodiment of the present invention.
Reference numerals:
the device comprises a device body 100, a bottom plate 110, a first pressing plate 120, a second pressing plate 130, a first pushing member 140, a second pushing member 150, a third pressing plate 160, a fourth pressing plate 170, a first limiting member 180 and a second limiting member 190.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A tensile test apparatus according to an embodiment of the present invention is described below with reference to fig. 1 to 4.
In some embodiments of the present invention, as shown in fig. 1 and fig. 2, it is respectively the embodiment of the present invention provides a front view and a perspective view of a BUSBAR solder joint tensile test apparatus 100, where the apparatus 100 includes: the fixed part, above-mentioned fixed part includes first hold assembly and second hold assembly, wherein first hold assembly and second hold assembly correspond the setting, be used for centre gripping BUSBAR, make above-mentioned BUSBAR tensile solder joint when removing along the direction with the centre gripping direction vertically, with experimental solder joint intensity, wherein the solder joint is the solder joint of BUSBAR and battery utmost point post, this embodiment can realize when BUSBAR solder joint tensile test, BUSBAR keeps vertical direction all the time, reduce experimental error, improve testing arrangement's reliability.
In some embodiments of the present invention, the first clamping member includes a first pushing member 140 and a first pressing plate 120, the first pushing member 140 is connected to the first pressing plate 120, and the first pushing member 140 is used to drive the first pressing plate 120 to move. The second clamping member includes a second pushing member 150 and a second pressing plate 130, the second pushing member 150 is connected to the second pressing plate 130, and the second pushing member 150 is configured to drive the second pressing plate 130 to move, it can be understood that the moving direction of the first pushing member 140 for driving the first pressing plate 120 may be bidirectional, for example, the moving direction may be pushing movement or pushing movement, and may be right movement or left movement, and the like, and the moving direction of the second pushing member 150 for driving the second pressing plate 130 is similar to that described above, and is not described herein again.
Specifically, in this embodiment, the first pressing plate 120 and the second pressing plate 130 are correspondingly arranged, when the first pushing member 140 and the second pushing member 150 move close to each other, the first pressing plate connected to the first pushing member 140 and the second pressing plate 130 connected to the second pushing member 150 also move close to each other, at this time, the gap between the first pressing plate 120 and the second pressing plate 130 is continuously reduced along with the movement, so as to perform reasonable gap adjustment according to the thickness of the BUSBAR, and keep the BUSBAR in the vertical direction all the time, meanwhile, because the first pressing plate 120 has a thickness, and the thickness is equal to the thickness of the battery post 700, the battery post 700 can be limited, and when the tensile test is performed, the battery post 700 is not popped out, so that the efficiency of the tensile test detection is improved. It is understood that the thickness and area of the first pressing plate 120 and the second pressing plate 130 can be adjusted according to the size, thickness or width of the actual application scene or the detected object, and the optimal size is selected in this embodiment.
Specifically, when doing BUSBAR solder joint tensile test, refer to fig. 3, the device in this embodiment is applicable to the shear test inside the tensile test, and at this moment, BUSBAR600 and battery utmost point post 700 are axis parallel weld, and wherein battery utmost point post 700 receives the restriction of first clamp plate 120, can prevent to pop out when experimental, and BUSBAR600 can drive first clamp plate 120 and second propulsion component 150 through first propulsion component 140 and drive centre gripping clearance connection anchor clamps 800 that second clamp plate 130 motion formed to be convenient for do tensile test.
It can be understood that when the clamping BUSBAR600 is carried out through the first pressing plate 120 and the second pressing plate 130, the BUSBAR600 clamped by the clamp 800 always keeps in the vertical direction, the error of the tensile test result is reduced, the accuracy of the tensile test result is improved, and the welding spot strength of welding between the BUSBAR600 and the battery pole column 700 can be accurately reflected.
Specifically, the clamp 800 is connected with a tension sensor, so that the tension can be accurately determined during a tensile test, for example, the strength of a welding spot welded between the BUSBAR600 and the battery post 700 can bear a tension of 800 newtons, at this time, the clamp 800 can stretch the BUSBAR600 by a tension more than twice the strength of the welding spot until the welding spot is broken, at this time, the tension sensor can record a tension value, the tension value is a tensile test detection result, and can reflect the strength of the welding spot between the BUSBAR600 and the battery post 700, it can be understood that the tension is slowly applied according to the test, the tension is not limited, and is also affected by the strength of the welding spot, for example, the welding spot meets the standard or reaches the standard, the required tension is larger, the welding spot has a weak welding spot or other weak welding spot factors, and the required tension is smaller, and the purpose of this embodiment is to test whether the strength of the welding spot meets the standard, can avoid solder joint intensity to flow into market not meeting the specification requirement, cause the battery module to flow out, cause the risk of catching fire.
Above-mentioned anchor clamps 800 still are connected with the display, have improved the visual of testing data among the testing process, can all show on the display after testing process or detection finish, improve detection device's practicality and visual.
Specifically, in order to further improve the accuracy of the test, the width of the clamping gap is the same as the thickness of the BUSBAR600, so that the BUSBAR600 can be clamped exactly, and the BUSBAR600 is ensured to keep the vertical direction.
In some embodiments of the present invention, the first pressing plate 120 and the second pressing plate 130 are respectively provided with at least one connecting hole.
Specifically, the first pressing plate 120 and the second pressing plate 130 are provided with at least one connecting hole, which is suitable for mounting the pushing component in the above embodiment, but a plurality of connecting holes may also be provided, which may be vertically arranged on the first pressing plate 120 and the second pressing plate 130, and the corresponding connecting holes are on the same horizontal axis, so as to keep the first pressing plate 120 and the second pressing plate 130 in a parallel state when the first pressing plate and the second pressing plate are close to each other, so as to make the BUSBAR600 more accurately keep the vertical direction.
In some embodiments of the present invention, the fixing member further includes a third clamping member and a fourth clamping member, and the third clamping member and the fourth clamping member are correspondingly disposed to clamp the battery post 700.
The third clamping member includes a first limiting member 180 and a third pressing plate 160, and the first limiting member 180 is used for limiting the height of the third pressing plate 160. The fourth clamping member includes a second limiting member 190 and a fourth pressing plate 170, and the second limiting member 190 is used for limiting the height of the fourth pressing plate 170.
Specifically, the BUSBAR solder joint tensile test apparatus in this embodiment further includes a bottom plate 110, and the bottom plate 110 is movably connected to the first pressing plate 120, the second pressing plate 130, the third pressing plate 160, and the fourth pressing plate 170, respectively.
Specifically, the third pressing plate 160 and the fourth pressing plate 170 are respectively provided with at least two connecting holes, and the connecting holes are used for installing the first limiting member 180 and the second limiting member 190.
Specifically, this embodiment can realize peeling tensile test, refer to fig. 4, which is an application state diagram of this embodiment, when performing the above peeling tensile test, BUSBAR600 and battery post 700 are respectively located on the axis perpendicular to each other, BUSBAR600 is welded on battery post 700 perpendicularly, third presser plate 160 and fourth presser plate 170 both play a limiting role to battery post 700, first propulsion member 140 and second propulsion member 150 form a clamping gap through the movement of being close to each other, so that BUSBAR600 is connected to fixture 800 through the clamping gap, wherein the clamping gap is the same as BUSBAR600 in thickness, so as to keep vertical direction all the time under the clamping state.
In some embodiments of the present invention, in order to facilitate the application of different scenes and different battery posts 700, the present embodiment further includes a first limiting member 180 and a second limiting member 190, wherein the first limiting member 180 is used to fix the third pressing plate 160 to the bottom plate 110; the second limiting part 190 is used for fixing the fourth pressing plate 170 to the bottom plate 110, the pressing plate is fixed by the fixing part, the distance between the pressing plate and the bottom plate can be adjusted by adjusting the fixing part at any time, the battery pole 700 with different thicknesses is adapted, and the practicability of the test detection device can be improved.
Referring to fig. 4, in a specific test process, the battery post 700 is limited on the bottom plate 110 by the third pressing plate 160 and the fourth pressing plate 170, wherein the third pressing plate 160 and the fourth pressing plate 170 can be fixed or rigidly connected to the bottom plate 110 by the limiting component, the first pushing component 140 and the second pushing component 150 respectively push the first pressing plate 120 and the second pressing plate 130 to move, so that a proper clamping gap is formed between the first pressing plate 120 and the second pressing plate 130, the width of the clamping gap is the same as the thickness of the BUSBAR600, so that the BUSBAR600 is kept in a vertical direction in a tensile test process, and the reliability of test data is improved.
The first pushing member 140 and the second pushing member 150 each include at least one connecting bolt, and it is understood that the first pushing member 140 and the second pushing member 150 are disposed to push the first pressing plate 120 and the second pressing plate 130, and in this embodiment, the first pushing member 140 and the second pushing member 150 are rotated by the bolts, so that the first pushing member 140 and the second pushing member 150 can move close to each other, and finally, a required clamping gap is formed.
Specifically, the first propelling member 140 and the second propelling member 150 may be designed as a propelling member having a saw-tooth structure with a gear position and a locking groove, it is possible to accurately determine the rotational travel distance, i.e., the travel distance of the first pressing plate 120 and the second pressing plate 130, while rotating the first and second pushing members 140 and 150, for example, the first pushing member 140 is rotated to the first gear, the travel distance of the first presser plate 120 is 0.5 cm, and the first push member 140 is rotated to the second position, the travel distance of the first presser plate 120 is 1 cm, and in the same way, the travel distance of the second presser plate 130 can be determined according to the advancing stage of the second advancing member 150, the travel distance of the first pressing plate 120 or the second pressing plate 130 can be well controlled, so that the gear to be rotated is determined according to the thickness of the BUSBAR600, the BUSBAR600 is clamped without deviation or with low deviation, and the BUSBAR600 is always kept in the vertical direction.
Specifically, the first and second position limiting members 180 and 190 each include at least two connecting bolts, and the third and fourth pressing plates 160 and 170 in this embodiment are placed on the base plate 110, may be rigidly connected to the base plate 110, but if the battery pack with different thicknesses of the battery post 700 needs to be tested, the detection device may not detect the battery pack conveniently, in order to improve the above situation, in the present embodiment, the third pressure plate 160 and the fourth pressure plate 170 are fixed on the bottom plate 110 by flexible fixing, more specifically, by connecting bolts, and in order to improve the stability, two ends of each pressure plate are respectively provided with a connecting bolt, namely each pressure plate needs at least two connecting bolts, in order to increase the stability of the pressure plate, three or more connecting bolts can be arranged on each pressure plate. It will be appreciated that another advantage of the first and second position limiting members 180 and 190 being bolts is that the distance between the third and fourth pressing plates 160 and 170 and the bottom plate 110 can be adjusted so that the pressing plates can limit the battery posts 700 with different thicknesses.
Specifically, the connecting bolts correspond to the connecting holes one by one.
In some embodiments of the present invention, the thickness and area of the first pressing plate 120, the second pressing plate 130, the third pressing plate 160, and the fourth pressing plate 170 are adjustable, and the thickness and area of the first pressing plate 120, the second pressing plate 130, the third pressing plate 160, and the fourth pressing plate 170 can be designed according to the area and thickness of the BUSBAR600 thickness and the battery post 700, so as to enhance the practicability of the tensile testing apparatus.
The utility model discloses can be effectual assurance in tensile in-process solder joint in tensile vertical state to guaranteed the accuracy of test result and decided, and the utility model discloses a solder joint tensile test device only needs to step up BUSBAR600 one side, and battery utmost point post 700 one side need not to press from both sides tightly, is doing tensile test and examines time measuring, and limit function through the clamp plate makes battery utmost point post 700 accurate fixed can not take place to remove.
More specifically, the utility model discloses can realize that same device both is tensile shear test and can be tensile peel test, specific for the tensile shear test's that above-mentioned figure 3 shows user state diagram and the tensile peel test's that figure 4 shows user state diagram, specific theory of operation has been described in above-mentioned embodiment, no longer give unnecessary details here, according to the practical application scene, which kind of function is required, all can change usefulness at any time, need not to install other devices in addition again to realized that two kinds of detection functions can be realized to same set of detection device, the effectual detection efficiency that has improved.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. The utility model provides a BUSBAR solder joint tensile test device, BUSBAR passes through solder joint and battery utmost point post welding, its characterized in that includes: the fixing part comprises a first clamping part and a second clamping part, the first clamping part and the second clamping part are correspondingly arranged and used for clamping the BUSBAR, so that the BUSBAR stretches the welding spot when moving in the direction perpendicular to the clamping direction, and the strength of the welding spot is tested.
2. The BUSBAR welding spot tensile test device of claim 1, wherein the first clamping member comprises a first pushing member and a first pressing plate, the first pushing member is connected with the first pressing plate, and the first pushing member is used for driving the first pressing plate to move.
3. The BUSBAR welding spot tension test device of claim 2, wherein the second clamping member comprises a second pushing member and a second pressing plate, the second pushing member is connected with the second pressing plate, and the second pushing member is used for driving the second pressing plate to move.
4. The BUSBAR solder joint tensile test device of claim 3, wherein the fixing component further comprises a third clamping component and a fourth clamping component, the third clamping component and the fourth clamping component are correspondingly arranged and used for clamping a battery pole.
5. The BUSBAR welding spot tension test device of claim 4, wherein the third clamping member comprises a first limiting member and a third pressing plate, the first limiting member is used for limiting the adjusting height of the third pressing plate.
6. The BUSBAR solder joint tensile testing apparatus of claim 5, wherein the fourth clamping member comprises a second limiting member and a fourth pressing plate, the second limiting member is used for limiting the adjustment height of the fourth pressing plate.
7. The BUSBAR solder joint tensile test device of claim 6, further comprising a bottom plate, wherein the bottom plate is movably connected with the first pressure plate, the second pressure plate, the third pressure plate and the fourth pressure plate respectively.
8. The BUSBAR solder joint tensile testing apparatus of claim 7, wherein the first pressure plate, the second pressure plate, the third pressure plate, and the fourth pressure plate are adjustable in thickness and area.
CN202020718157.9U 2020-04-30 2020-04-30 BUSBAR solder joint tensile test device Active CN212410279U (en)

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Application Number Priority Date Filing Date Title
CN202020718157.9U CN212410279U (en) 2020-04-30 2020-04-30 BUSBAR solder joint tensile test device

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Application Number Priority Date Filing Date Title
CN202020718157.9U CN212410279U (en) 2020-04-30 2020-04-30 BUSBAR solder joint tensile test device

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CN212410279U true CN212410279U (en) 2021-01-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113218760A (en) * 2021-05-12 2021-08-06 江西迪比科股份有限公司 Method for testing tension of welding spot of power cap of edge covering structure
CN113218760B (en) * 2021-05-12 2024-05-31 江西迪比科股份有限公司 Welding spot tension test method for power cap of edge-covering structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113218760A (en) * 2021-05-12 2021-08-06 江西迪比科股份有限公司 Method for testing tension of welding spot of power cap of edge covering structure
CN113218760B (en) * 2021-05-12 2024-05-31 江西迪比科股份有限公司 Welding spot tension test method for power cap of edge-covering structure

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GR01 Patent grant
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province

Patentee after: Xinwangda Power Technology Co.,Ltd.

Address before: 518000 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province

Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd.

CP03 Change of name, title or address