CN117538579A - Cylindrical battery test clamping structure, test device and use method - Google Patents

Cylindrical battery test clamping structure, test device and use method Download PDF

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Publication number
CN117538579A
CN117538579A CN202311563300.6A CN202311563300A CN117538579A CN 117538579 A CN117538579 A CN 117538579A CN 202311563300 A CN202311563300 A CN 202311563300A CN 117538579 A CN117538579 A CN 117538579A
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CN
China
Prior art keywords
bottom plate
cylindrical battery
plate
pole
clamping structure
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Pending
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CN202311563300.6A
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Chinese (zh)
Inventor
鲁亮
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Wuhan Land Electronic Co ltd
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Wuhan Land Electronic Co ltd
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Application filed by Wuhan Land Electronic Co ltd filed Critical Wuhan Land Electronic Co ltd
Priority to CN202311563300.6A priority Critical patent/CN117538579A/en
Publication of CN117538579A publication Critical patent/CN117538579A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a cylindrical battery test clamping structure, a test device and a use method, wherein the test clamping structure comprises a surrounding frame, a first bottom plate and a second bottom plate are arranged on one side surface of the surrounding frame along the X direction, a plurality of first pole assemblies are arranged on the first bottom plate along the Y direction, a plurality of second pole assemblies are arranged on the second bottom plate along the Y direction, each first pole assembly is aligned with one second pole assembly along the X direction, and the aligned first pole assemblies and second pole assemblies can realize detection clamping of a cylindrical battery to be tested; the first bottom plate is arranged at the position on the surrounding frame, the second bottom plate is arranged at the position on the surrounding frame and the second pole assembly is arranged at the position on the second bottom plate, and the first bottom plate, the second bottom plate and the second pole assembly can be adjusted and moved along the X direction. The first bottom plate and the second bottom plate can both move to the position where part extends out of the side face of the surrounding frame, so that when the size of the surrounding frame is certain, the detection clamping size adjustment is not limited in the range limited by the side face of the surrounding frame, and the detection requirement of the cylindrical battery in the range of the larger length size can be met.

Description

Cylindrical battery test clamping structure, test device and use method
Technical Field
The invention relates to the technical field of battery detection, in particular to a cylindrical battery test clamping structure, a test device and a use method.
Background
At present, with the development of new energy, the performance requirement on the battery is higher and higher, and the performance of the battery needs to be subjected to a series of tests, and various special tool clamps can be used for fixing the battery in the test process of the battery product, so that the test efficiency is improved.
As disclosed in the specification of chinese patent No. CN2021121692272, a cylindrical battery clamp includes a base plate, on which an anode mounting plate and a cathode mounting plate are disposed at intervals; the cathode mounting plate can slide along the direction vertical to the anode mounting plate; a plurality of anode blocks and cathode blocks which are oppositely arranged are respectively arranged on adjacent planes of the anode mounting plate and the cathode mounting plate; the anode block is fixedly arranged on the anode mounting plate, and the cathode block is elastically connected with the cathode mounting plate; the bottom plate is also provided with a driving device for driving the cathode mounting plate to slide, and the clamp can clamp and test cylindrical batteries of different types through the sliding cathode mounting plate.
However, the movement range of the cathode mounting plate of the cylindrical battery clamp is limited in the range of the top surface of the bottom plate, and when the size of the bottom plate is fixed, the length size of the battery which can be clamped by the whole cylindrical battery clamp is limited due to the fact that the anode mounting plate is fixed, so that the range of the length size of the battery which can be detected is smaller.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cylindrical battery test clamping structure, a test device and a use method, which can meet the detection requirement of a cylindrical battery in a larger length dimension range.
In order to solve the technical problems, the invention provides a cylindrical battery testing and clamping structure, which comprises a surrounding frame, wherein a first bottom plate and a second bottom plate are arranged on the side surface of the surrounding frame along the X direction, a plurality of first pole assemblies are arranged on the first bottom plate along the Y direction, a plurality of second pole assemblies are arranged on the second bottom plate along the Y direction, each first pole assembly is aligned with one second pole assembly along the X direction, and the aligned first pole assemblies and second pole assemblies can realize detection and clamping of a cylindrical battery to be tested; the first bottom plate is arranged at the position on the surrounding frame, the second bottom plate is arranged at the position on the surrounding frame and the second pole assembly is arranged at the position on the second bottom plate, and the first bottom plate, the second bottom plate and the second pole assembly can be adjusted and moved along the X direction.
In the cylindrical battery test clamping structure, the first bottom plate and the second bottom plate can be moved to the position where part of the first bottom plate extends out of the side face of the surrounding frame to realize fixation, so that when the size of the surrounding frame is fixed, the distance adjustment between the first pole component and the second pole component is equal to the fixed size of the bottom plate in the prior art, and the distance adjustment between the first pole component and the second pole component is not limited in the range limited by the side face of the surrounding frame, thereby meeting the detection requirement of the cylindrical battery in the range of a larger length size; and detect clamping size and can multistage regulation, when specifically using, enclose the frame motionless, can adjust the position of second pole subassembly, first bottom plate and second bottom plate step by step to satisfy the user demand.
Further, the surrounding frames are rectangular frames with short frames arranged along the X direction and long frames arranged along the Y direction, and a plurality of first screw holes are respectively arranged on the two short frames along the X direction; the two ends of the first bottom plate are provided with first oblong holes arranged along the X direction; at least one screw penetrates through each first oblong hole to be fastened in one first screw hole, so that the first bottom plate is fixedly connected with the surrounding frame.
Further, the first pole assembly includes, in order along the X-direction: the quick clamp, the first pole probe and the first support limiting block; the quick clamp is used for pushing the first electrode probe to move so that the detection end of the first electrode probe is contacted and attached with the first electrode of the cylindrical battery to be detected; the end part of the first supporting limiting block, which is far away from the first bottom plate, is provided with a first circular arc-shaped notch which can be embedded with the side surface of the cylindrical battery to be tested.
Furthermore, the quick clamp adopts a flat push type structure, is fixed on the first bottom plate through a bracket plate in a shape like a Chinese character 'ji', and the output end moves back and forth along the X direction
Further, the first pole assembly further comprises a U-shaped groove plate, two supporting blocks and a plurality of guide hole screws, wherein the bottom plate of the U-shaped groove plate is arranged in parallel with the first bottom plate, one side plate is fixed on the output end of the quick clamp, and the other side plate is fixed with the first pole probe; the bottom plate of the U-shaped groove plate is provided with two second oblong holes arranged along the X direction; the supporting blocks are fixed on the first bottom plate, and each supporting block is arranged between the bottom plate of the U-shaped groove plate and the first bottom plate and is opposite to one second oblong hole respectively; at least two guide hole screws penetrate through one second oblong hole to be fixed on the corresponding supporting block, and a gap is reserved between the top cap of each guide hole screw and the bottom plate of the U-shaped groove plate.
Further, the first supporting limiting block comprises a support plate and a cushion block, the support plate is in an L-shaped plate shape, one side plate is attached to and fixed on the first bottom plate, and the cushion block is fixed on the other side plate; the end part of the cushion block, which is far away from the first bottom plate, is provided with the first circular arc-shaped notch; the novel battery holder is characterized in that an avoidance notch and two third oblong holes are formed in the other side plate of the holder plate, the avoidance notch is used for avoiding a placed cylindrical battery to be detected, the third oblong holes are arranged along the direction perpendicular to the first bottom plate, and the third oblong holes are penetrated through screws to be fixed on the cushion blocks, so that the fixed connection of the cushion blocks and the holder plate is realized.
Further, the second pole assembly includes along X direction setting gradually: the second supporting limiting block and the second probe; the end part of the second supporting limiting block, which is far away from the first bottom plate, is provided with a second circular arc-shaped notch which can be embedded with the side surface of the cylindrical battery to be tested; and the second probe is used for being contacted and attached with a second electrode of the cylindrical battery to be tested.
Further, the second pole assembly further comprises a baffle plate for fixedly mounting the second probe, the baffle plate is in an L-shaped plate shape, one side plate is attached and fixed on the first bottom plate, and the second probe is fixed on the other side plate.
Further, a plurality of second screw hole groups are arranged on the second bottom plate along the Y direction, and each second screw hole group comprises a plurality of second screw hole groups arranged along the X direction; each second screw hole group comprises two third screw holes which are arranged at intervals along the Y direction; the second supporting limiting block and the baffle plate of the same second pole assembly are fixed on the second bottom plate through different second screw hole groups of the same second screw hole group respectively.
Further, a second wire passing hole is formed in a side plate, attached to the first bottom plate, of the baffle plate; and a second bottom hole is formed in the second bottom plate at a position corresponding to the second wire passing hole.
In order to solve the technical problems, the invention provides a testing device which comprises a plurality of cylindrical battery testing clamping structures, a testing box body 6 capable of controlling constant temperature and constant humidity of an inner cavity, a plurality of pairs of positioning layer strips 7 and a plurality of pairs of support leg frames 8;
the test box body 6 is provided with a cuboid inner cavity, the box door 61 of the test box body 6 covers the long side and the side where the height of the inner cavity is, A is more than or equal to D, E+G is more than or equal to B is more than or equal to E, C is more than or equal to E+F+H, and H is more than G;
the positioning layer strip 7 is in a strip shape and is detachably fixed on the inner side wall of the test box body 6; the two positioning layer strips 7 of each pair are horizontally and oppositely arranged, so that a multi-layer supporting structure is formed in the test box body 6;
the two short side frames of the surrounding frame 1 can be correspondingly stacked on a pair of positioning layer strips 7, so that each cylindrical battery test clamping structure is horizontally supported and placed in the test box body 6 through the pair of positioning layer strips 7;
the support leg frames 8 are of an inverted T-shaped structure, and the top ends of the support leg frames can be detachably fixed at the bottoms of short side frames of the surrounding frame 1, so that a pair of support leg frames 8 can vertically support one surrounding frame 1; the support leg rack 8 is arranged outside the test box body 6 for standby;
wherein, the length value of the inner cavity of the test box body 6 is A, the width value is B, and the height value is C; the size of the surrounding frame 1 in the Y direction is D, X, and the size of the surrounding frame is E; the first bottom plate 21 has an X-direction dimension F; the second bottom plate 22 has a dimension G in the X direction; the height of the T-shaped stand column of the stand bar 8 is H.
Preferably, when the cylindrical battery test clamping structure is horizontally placed in the test box 6: the long side direction of the enclosing frame 1 is arranged along the long side direction of the inner cavity of the box body, and the short side direction of the enclosing frame 1 is arranged along the wide side direction of the inner cavity of the box body; and the second bottom plate 22 is positioned at one side close to the box door 61, and the edge of the first bottom plate 21 is attached to the side wall of the test box 6, which is opposite to the box door 61.
In the above-mentioned testing arrangement, a plurality of cylinder battery test clamping structures are placed in the 6 intracavity of test box through the layering horizontal support of locating layer strip 7, because the width of box inner chamber satisfies E+G and is greater than or equal to B and is greater than or equal to E, consequently open chamber door 61 one after, can only realize this cylinder battery test clamping structure's detection clamping size adjustment through the position of adjustment removal second pole subassembly 4 and second bottom plate 22. The height of the inner cavity of the box body meets the conditions that C is more than or equal to E+F+H, and H is more than G; therefore, the vertical support of the cylindrical battery test clamping structure can be placed in the test box body 6 by using the standby tripod 8, so that the inspection clamping size range of the cylindrical battery test clamping structure can be enlarged by adjusting and moving the positions of the first pole component 3, the second pole component 4 and the second bottom plate 22, and the larger size detection requirement can be met.
In actual production and life, in order to improve the accuracy of battery detection, some constant temperature and humidity boxes are purchased in advance by frequent enterprises, partial oversized batteries can appear in the subsequent production and research and development processes, and the single-layer space of the purchased temperature boxes does not meet the test requirement. By adopting the test device, the cylindrical battery test clamping structure can be switched, and meanwhile, the test requirements of batteries with conventional sizes and oversized sizes are compatible, namely, the test requirements of cylindrical batteries in a larger length size range can be met in the test box body 6 with smaller structural sizes, and the inner space of the test box body 6 is very saved.
In order to solve the above technical problems, the present invention provides a method for using the test device, a=d, e+g=b, c=e+f+h, comprising the steps of:
step one: judging the sizes of L and m, if L is not greater than m, entering a step two, otherwise, entering a step three, wherein L is the length of the cylindrical battery 5 to be tested, m is the detection clamping size when the first bottom plate 21 of the cylindrical battery test clamping structure is fixed, and the second bottom plate 22 and the second pole component 4 are respectively adjusted to move to the farthest position from the first bottom plate 21;
step two: opening the box door 61, placing the cylindrical battery 5 to be tested between the first pole component 3 and the second pole component 4 by adjusting the positions of the second bottom plate 22 and the second pole component 4, finishing detection clamping, and ending the method;
step three: opening the box door 61, taking out each cylindrical battery test clamping structure, and mounting a pair of support legs 8 on the enclosure frame 1 of one cylindrical battery test clamping structure;
step four: each positioning layer strip 7 is disassembled and taken out, and then a cylindrical battery test clamping structure provided with a pair of support legs 8 is vertically placed in the test box body 6;
step five: by adjusting the positions of the first bottom plate 21, the second bottom plate 22 and the second pole assembly 4, the cylindrical battery 5 to be tested is placed between the first pole assembly 3 and the second pole assembly 4, detection clamping is completed, and the method is finished.
In the using method, the cylindrical battery test clamping structure is horizontally stacked and placed in the cavity of the test box body 6 to be used as the conventional using state of the test device, so that the requirement of s can be met 0 Battery detection clamping in m size range, s 0 The clamping size value is the minimum detection clamping size value; a cylindrical battery test clamping structure is vertically placed in the test box body 6 to be used as a special use state of the test device, battery test clamping in the m-P size range is met, and P is the minimum test clamping size value. Through reasonable enclosure 1, second bottom plate 22 size design, the conventional state can satisfy most battery detection clamping, just switches to special service condition under very few circumstances, when saving test box 6 structural dimension, improves whole testing arrangement's practicality greatly.
In summary, by adopting the cylindrical battery test clamping structure, the test device and the use method, the cylindrical battery detection requirement in a larger length dimension range can be met.
Drawings
In the drawings:
fig. 1 is a schematic structural view of a cylindrical battery to be tested clamped by the cylindrical battery test clamping structure.
Fig. 2 is an overall structure diagram of the cylindrical battery test clamping structure of the present invention.
Fig. 3 is a surrounding frame structure diagram of the cylindrical battery test clamping structure.
Fig. 4 is a first bottom plate structure diagram of the cylindrical battery test clamping structure of the present invention.
Fig. 5 is a second bottom plate structure diagram of the cylindrical battery test clamping structure of the present invention.
Fig. 6 is a partial structural view of a first bottom plate of the cylindrical battery test clamping structure of the present invention.
Fig. 7 is a first supporting limiting block structure of the cylindrical battery testing clamping structure.
Fig. 8 is a schematic diagram of the mode of adjustment of the clamping structure (1) for testing the cylindrical battery.
Fig. 9 is a structural view of a leg rest of the clamping structure for testing a cylindrical battery according to the present invention.
FIG. 10 is a block diagram of a test chamber of the test apparatus of the present invention.
In the figure, 1, enclosing frame; 11. a first screw hole; 21. a first base plate; 211. a first oblong hole; 212. a first bottom hole; 213. a first lightening hole; 22. a second base plate; 221. a third screw hole; 222. a fourth oblong hole; 223. a second bottom hole; 224. a second lightening hole; 3. a first pole assembly; 31. a quick clamp; 32. a first pole probe; 33. a first support limit block; 331. a first circular arc-shaped notch; 332. a support plate; 333. a cushion block; 334. a third oblong hole; 34. a support plate; 35. u-shaped groove plates; 351. a second oblong hole; 352. a first via hole; 36. a support block; 37. a pilot hole screw; 4. a second pole assembly; 41. the second supporting limiting block; 411. a second circular arc-shaped notch; 42. a second probe; 43. a baffle plate; 431. a second via hole; 5. a cylindrical battery to be tested; 6. a test box; 61. a door; 7. positioning the layer strip; 8. and (5) supporting a foot rest.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention.
Example 1
Fig. 1-9 illustrate a cylindrical battery test clamping structure of the present invention. As shown in fig. 1-4, the cylindrical battery testing and clamping structure comprises a surrounding frame 1, a first bottom plate 21 and a second bottom plate 22 are arranged on the side surface of the surrounding frame 1 along the X direction, a plurality of first pole assemblies 3 are arranged on the first bottom plate 21 along the Y direction, a plurality of second pole assemblies 4 are arranged on the second bottom plate 22 along the Y direction, each first pole assembly 3 is aligned with one second pole assembly 4 along the X direction, and the aligned first pole assemblies 3 and second pole assemblies 4 can realize detection and clamping of a cylindrical battery 5 to be tested. The first base plate 21 is arranged on the surrounding frame 1, the second base plate 22 is arranged on the surrounding frame 1 and the second pole assembly 4 is arranged on the second base plate 22, so that the X-direction adjustment movement can be realized.
In the above cylindrical battery test clamping structure, the first bottom plate 21 and the second bottom plate 22 can both move to the positions where the parts extend out of the side surfaces of the enclosure frame 1, so that when the dimensions of the enclosure frame 1 are fixed, the distance adjustment between the first pole assembly 3 and the second pole assembly 4 is not limited in the range limited by the side surfaces of the enclosure frame 1, and thus the requirement of cylindrical battery detection in the range of larger length and dimension can be met. When the cylindrical battery testing clamping structure is specifically used, the surrounding frame 1 is fixed, the distance between the first pole component 3 and the second pole component 4 is required to be adjusted according to the length dimension of the cylindrical battery 5 to be tested, namely the detection clamping dimension of the cylindrical battery testing clamping structure is adjusted, so that the cylindrical battery testing clamping structure is suitable for the detection clamping of the cylindrical battery 5 to be tested with different lengths, and the axis of the cylindrical battery 5 to be tested is along the X direction after the cylindrical battery 5 to be tested is clamped. The specific ways of adjusting the distance between the first pole assembly 3 and the second pole assembly 4 are as follows (1) (2) (3) three kinds, s 0 For minimum detection clamping size value, n, m and p are size values, and s 0 ＜n＜m＜p。
(1) The positions of the first bottom plate 21 and the second bottom plate 22 fixed on the enclosure frame 1 are all motionless, as shown in fig. 8, at this time, the position of the first pole assembly 3 remains unchanged, and the detection clamping length adjustment of the cylindrical battery test clamping structure can be realized by adjusting the position of the second pole assembly 4 on the second bottom plate 22 along the X direction, so that the test clamping range adjusted in this way is set as follows: s is(s) 0 ～n。
(2) The position of the first bottom plate 21 fixed on the surrounding frame 1 is not moved, the position of the first pole assembly 3 is kept unchanged, and the adjustment of the detection clamping length can be realized by adjusting the position of the second pole assembly 4 on the second bottom plate 22 along the X direction and/or adjusting the position of the second bottom plate 22 fixed on the surrounding frame 1; the test clamping range adjusted in this way is set as follows: s is(s) 0 ～m。
(3) The adjustment of the detection clamping length is achieved by adjusting the position of the second pole assembly 4 on the second bottom plate 22 in the X-direction, the position of the second bottom plate 22 fixed on the peripheral frame 1 and/or the position of the second bottom plate 22 fixed on the peripheral frame 1. The test clamping range adjusted in this way is set as follows: s is(s) 0 ～p。
Alternatively, as shown in fig. 3, the enclosure frame 1 is a rectangular frame with short frames arranged along the X direction and long frames arranged along the Y direction, and a plurality of first screw holes 11 are respectively arranged on the two short frames along the X direction. As shown in fig. 3, both ends of the first bottom plate 21 are provided with first oblong holes 211 arranged in the X direction; at least one screw passes through each first oblong hole 211 to be fastened in one first screw hole 11, so as to realize the fixed connection of the first bottom plate 21 and the surrounding frame 1.
The first bottom plate 21 is connected with the surrounding frame 1 through bolt fastening, on one hand, a plurality of first screw holes 11 are formed in the surrounding frame 1, so that the positions of the screws fastened on the surrounding frame 1 are adjustable, on the other hand, first oblong holes 211 through which the screws penetrate are formed in the first bottom plate 21, the tightening part of the screws on the first bottom plate 21 can move along the first oblong holes 211, and therefore the position of the first bottom plate 21 arranged on the surrounding frame 1 can be adjusted and moved along the X direction. In addition, at least one fastening screw is respectively arranged at two ends of the first bottom plate 21, when the first bottom plate 21 needs to be adjusted and moved, the screw is unscrewed or unscrewed, the first bottom plate 21 can only be moved along the X direction, and after the first bottom plate 21 is moved to a required position, the screw is screwed.
Optionally, the first bottom plate 21 and the second bottom plate 22 are rectangular plates, and are fully paved on one side surface of the surrounding frame 1 after contact splicing, and two ends of the first bottom plate and the second bottom plate are placed on the short side frame of the surrounding frame 1 and fixed through screws.
Optionally, the first screw holes 11 are spread across the short frame side of the whole enclosure 1 at intervals. Two ends of the first bottom plate 21 are respectively provided with two first oblong holes 211, the two first oblong holes 211 on one end are aligned and connected, and the total length is equivalent to the width of the first bottom plate 21, so that the adjustable movable size is larger, the overlong length of the oblong holes is avoided, and the adjustable movable size is difficult to process.
Alternatively, as shown in fig. 2 and 4, the first bottom plate 21 includes a first rectangular plate body, two short sides of the first rectangular plate body are provided with L-shaped supporting foot plates, and the supporting foot plates are provided with first oblong holes 211; the two long sides of the first rectangular plate body are provided with flanging. The first base plate 21 may be formed by bending a rectangular sheet metal, punching, or the like.
Optionally, as shown in fig. 5, both ends of the second bottom plate 22 are provided with fourth oblong holes 222 arranged along the X direction; at least one screw passes through each fourth oblong hole 222 to be fastened in one first screw hole 11, so as to realize the fixed connection of the second bottom plate 22 and the surrounding frame 1.
The second bottom plate 22 and the enclosure frame 1 are fixed by oblong holes and screw structures, and the fixed position of the second bottom plate 22 can be adjusted and moved. In addition, the second base plate 22 has a structure similar to that of the first base plate 21.
Optionally, the panel on the side of the enclosure 1 is just completely laid on the enclosure 1, and two equal rectangular plates are formed by separating from the middle line: a first base plate 21 and a second base plate 22.
Alternatively, as shown in fig. 4 and 6, the first pole assembly 3 includes, in order along the X direction: a quick clamp 31, a first pole probe 32 and a first support stop 33; the quick clamp 31 is used for pushing the first electrode probe 32 to move, so that the detection end of the first electrode probe 32 is contacted and attached with the first electrode of the cylindrical battery 5 to be detected; the end of the first supporting limiting block 33 far away from the first bottom plate 21 is provided with a first arc-shaped notch 331 which can be embedded with the side surface of the cylindrical battery 5 to be tested.
Alternatively, the quick clamp 31 adopts a flat push structure, is fixed on the first bottom plate 21 through a bracket plate 34 in a shape like a Chinese character 'ji', and the output end moves back and forth along the X direction.
Alternatively, as shown in fig. 4 and 6, the first pole assembly 3 further includes a U-shaped slot plate 35, two support blocks 36, and a plurality of guide hole screws 37. The bottom plate of the U-shaped groove plate 35 is arranged parallel to the first bottom plate 21, one side plate is fixed on the output end of the quick clamp 31, and the other side plate is fixed with a first pole probe 32; the bottom plate of the U-shaped groove plate 35 is provided with two second oblong holes 351 arranged in the X-direction. The supporting blocks 36 are fixed on the first bottom plate 21, and each supporting block 36 is arranged between the bottom plate of the U-shaped groove plate 35 and the first bottom plate 21 and is opposite to one second oblong hole 351 respectively. At least two guide hole screws 37 pass through a second oblong hole 351 to be fixed on the corresponding support block 36, and a gap is reserved between the top cap of each guide hole screw 37 and the bottom plate of the U-shaped groove plate 35.
The U-shaped slot plate 35 serves as a switching structure between the output end of the quick clamp 31 and the first pole probe 32, so that the quick clamp 31 can push the first pole probe 32 to move, and simultaneously, a slot cavity between two side plates is utilized to provide wiring space for the first pole probe 32. In addition, the bottom plate of the U-shaped channel plate 35 is placed on the top surface of the supporting block 36, and is not fixed, providing sliding support for the U-shaped channel plate 35. The two second oblong holes 351 and the at least two guide hole screws 37 inside each provide a moving guide for the U-shaped slot plate 35, and limit the movement of the U-shaped slot plate 35 in the X-direction with the first pole probe 32 without large offset.
Optionally, as shown in fig. 6, a first wire passing hole 352 is formed in the middle of the bottom plate of the U-shaped groove plate 35, the first wire passing hole 352 is a square hole, and two sides of the first wire passing hole are respectively provided with a second oblong hole 351. First bottom holes 212 are formed in the first bottom plate 21 opposite to the first wire through holes 352. The first via 352 is aligned with the first bottom hole 212 and faces the tail end of the first pole probe 32, facilitating placement of the lead out of the first pole probe 32.
Optionally, first lightening holes 213 are provided on the first bottom plate 21 between the two first pole assemblies 3, and the first lightening holes 213 and the first bottom holes 212 are waist holes with the same size and are arranged at intervals along the Y direction.
Optionally, as shown in fig. 7, the first supporting and limiting block 33 includes a support plate 332 and a cushion block 333, where the support plate 332 is in an L-shape, one side plate is fixed on the first bottom plate 21 in a fitting manner, and the other side plate is fixed with the cushion block 333; the end part of the cushion block 333, which is far away from the first bottom plate 21, is provided with a first circular arc-shaped notch 331; the other side plate of the support plate 332 is provided with an avoidance notch and two third oblong holes 334, the avoidance notch is used for avoiding the placed cylindrical battery 5 to be tested, and the third oblong holes 334 are arranged along the direction vertical to the first bottom plate 21; the screws pass through the third oblong holes 334 to be fixed on the cushion blocks 333, so that the fixed connection between the cushion blocks 333 and the support plate 332 is realized.
The first arc-shaped notch 331 on the cushion block 333 can support and limit the cylindrical battery 5 to be tested, the avoidance notch on the support plate 332 is also arc-shaped, but compared with the first arc-shaped notch 331, the corresponding position is smaller than the avoidance notch of the first bottom plate 21, and interference with the cylindrical battery 5 to be tested placed on the first arc-shaped notch 331 is avoided. In addition, the spacer 333 and the support plate 332 are fixed by screws passing through the third oblong hole 334, so that the position of the spacer 333 can be adjusted, thereby allowing for cylindrical batteries of different diameter specifications.
Alternatively, as shown in fig. 2 and 5, the second pole assembly 4 includes, in order along the X direction: a second support stopper 41 and a second probe 42; the end part of the second supporting limiting block 41 far away from the first bottom plate 21 is provided with a second circular arc-shaped notch 411 which can be embedded with the side surface of the cylindrical battery 5 to be tested; the second probe 42 is used for contacting and fitting with the second electrode of the cylindrical battery 5 to be tested.
Optionally, the second pole assembly 4 further includes a baffle plate 43 for fixedly mounting the second probe 42, where the baffle plate 43 is in an L-shape, one side plate is fixed on the first bottom plate 21 in a fitting manner, and the other side plate is fixed with the second probe 42.
Optionally, a second wire passing hole 431 is formed on a side plate of the baffle plate 43 attached to the first bottom plate 21; the second bottom plate 22 is provided with a second bottom hole 223 corresponding to the second wire through hole 431. The outgoing line of the second probe 42 is arranged through the second via 431 and the second bottom hole 223.
Optionally, a second lightening hole 224 is provided between two adjacent second pole assemblies 4 on the second bottom plate 22; the second lightening holes 224 and the second bottom holes 223 are the same in size and are waist holes.
Optionally, a plurality of second screw hole groups are arranged on the second bottom plate 22 along the Y direction, and each second screw hole group includes a plurality of second screw hole groups arranged along the X direction; each second screw hole group includes two third screw holes 221 arranged at intervals in the Y direction. The second supporting and limiting block 41 and the baffle plate 43 of the same second pole assembly 4 are respectively fixed on the second bottom plate 22 through different second screw hole groups of the same second screw hole group.
The second pole assembly 4 is fixed on the second base plate 22 and can move along the X direction in an adjustable fixing structure by penetrating a third screw hole 221 and fixing the second pole assembly on the second support limiting block 41 or the baffle plate 43 through a screw. Each second supporting stopper 41 is fixed by two holes of one second screw hole group through a screw, and the baffle plate 43 is fixed by two holes of the other second screw hole group through a screw. In adjusting the position, the operation is similar to the movement adjustment of the first base plate 21 and the second base plate 22, the screw is loosened first, then the second support stopper 41 or the stopper plate 43 is moved to a proper position in the X direction, and then the fixing is tightened.
Optionally, the structure of the second supporting and limiting block 41 is the same as that of the first supporting and limiting block 33, and two circular arc-shaped notches are respectively supported at the bottoms of two ends of the cylindrical battery 5 to be tested.
When in use, the size of the rectangular enclosure frame 1 in the X direction and the movable size range of the first bottom plate 21 and the second bottom plate 22 in the X direction are reasonably designed according to actual needs, so that the rectangular enclosure frame is applicable to the conventional size range through the (1) th mode adjustment: s is(s) 0 Clamping the battery detection of n; the longer size range is adapted by way of (2): detecting and clamping the n-m batteries; the applicable and ultra-long size range is adjusted by the (3) th mode: and (3) detecting and clamping the battery with m-p, wherein n is less than m and less than p. In addition, the whole cylindrical battery test clamping structure can be integrally and horizontally placed for use, for example, in a constant temperature and humidity test box, the enclosure frame 1 is directly placed on a horizontal laminate or horizontally supported by a support bar on the side wall of the box body, so that the horizontal placement and use are realized; the test box can also be vertically placed for use, and the support legs 12 are fixedly arranged on the two short frames of the surrounding frame 1, so that the test box can be vertically placed, and as shown in fig. 9, the test box can be directly placed into the test box with the support legs.
In order to solve the technical problems, the invention provides a testing device which comprises a plurality of cylindrical battery testing clamping structures, a testing box body 6 capable of controlling constant temperature and constant humidity of an inner cavity, a plurality of pairs of positioning layer strips 7 and a plurality of pairs of support legs 8.
As shown in FIG. 10, the test box 6 has a rectangular cavity, and the door 61 of the test box 6 covers the long side and the high side of the cavity, and A is greater than or equal to D, E+G is greater than or equal to B is greater than or equal to E, C is greater than or equal to E+F+H, and H is greater than or equal to G. The positioning layer strip 7 is in a strip shape and is detachably fixed on the inner side wall of the test box body 6; the two positioning layer strips 7 of each pair are horizontally and oppositely arranged, so that a multi-layer supporting structure is formed in the test box body 6. Two short frames of the surrounding frame 1 can be correspondingly stacked on a pair of positioning layer strips 7, so that each cylindrical battery test clamping structure is horizontally supported and placed in the test box body 6 through the pair of positioning layer strips 7.
As shown in fig. 9, the leg rest 8 has an inverted T-shaped structure, and the top end of the leg rest can be detachably fixed at the bottom of the short side frame of the enclosure frame 1, so that a pair of the leg rest 8 can vertically support one enclosure frame 1; the stand 8 is arranged outside the test box 6 for standby. The concrete tripod 8 comprises stand and sill bar, and the stand can be a section channel-section steel, and the top cover is in the base angle department of enclosing frame 1, and the screw fixation, sill bar can be a section angle steel, and the middle part and the stand bottom fixed connection of sill bar.
As shown in fig. 10, the length value of the inner cavity of the test box body 6 is a, the width value is B, and the height value is C; as shown in fig. 3, the size of the enclosure 1 in the Y direction is D, X, and the size is E; as shown in fig. 4, the first bottom plate 21 has a dimension F in the X direction; as shown in fig. 5, the second bottom plate 22 has a dimension G in the X direction; as shown in fig. 9, the height of the T-shaped upright of the tripod 8 is H.
Optionally, when the cylindrical battery testing clamping structure is horizontally placed in the test box 6: the long side direction of the enclosing frame 1 is arranged along the long side direction of the inner cavity of the box body, and the short side direction of the enclosing frame 1 is arranged along the wide side direction of the inner cavity of the box body; and the second bottom plate 22 is positioned at one side close to the box door 61, and the edge of the first bottom plate 21 is attached to the side wall of the test box 6, which is opposite to the box door 61.
In the above-mentioned testing arrangement, a plurality of cylinder battery test clamping structures are placed in the 6 intracavity of test box through the layering horizontal support of locating layer strip 7, because the width of box inner chamber satisfies E+G and is greater than or equal to B and is greater than or equal to E, consequently open chamber door 61 one after, can only realize this cylinder battery test clamping structure's detection clamping size adjustment through the position of adjustment removal second pole subassembly 4 and second bottom plate 22. The height of the inner cavity of the box body meets the conditions that C is more than or equal to E+F+H, and H is more than G; therefore, the vertical support of the cylindrical battery test clamping structure can be placed in the test box body 6 by using the standby tripod 8, so that the inspection clamping size range of the cylindrical battery test clamping structure can be enlarged by adjusting and moving the positions of the first pole component 3, the second pole component 4 and the second bottom plate 22, and the larger size detection requirement can be met.
In actual production and life, some constant temperature and humidity boxes are purchased in advance by frequent enterprises, partial oversized batteries can appear in the subsequent production and development processes, and the single-layer space of the purchased boxes does not meet the test requirements. By adopting the test device, the cylindrical battery test clamping structure can be switched, and meanwhile, the test requirements of batteries with conventional sizes and oversized sizes are compatible, namely, the test requirements of cylindrical batteries in a larger length size range can be met in the test box body 6 with smaller structural sizes, and the inner space of the test box body 6 is very saved.
In addition, when the length of the cylindrical battery 5 to be measured increases, the diameter thereof also increases, and the adjustment of the fixing positions of the first probe 32 and the second probe 42 can be performed for the adaptation, and the adjustment of the heights of the supporting members of the first probe 32 and the second probe 42 can be performed for the adaptation. The support height and model of the spacer 333 can also be adjusted.
Optionally, spare parts such as a stand 8 can be placed beside the test box 6.
In order to solve the above technical problems, the present invention provides a method for using the test device, a=d, e+g=b, c=e+f+h, comprising the steps of:
step one: judging the sizes of L and m, if L is not greater than m, entering a step two, otherwise, entering a step three, wherein L is the length of the cylindrical battery 5 to be tested, m is the detection clamping size when the first bottom plate 21 of the cylindrical battery test clamping structure is fixed, and the second bottom plate 22 and the second pole component 4 are respectively adjusted to move to the farthest position from the first bottom plate 21;
step two: opening the box door 61, placing the cylindrical battery 5 to be tested between the first pole component 3 and the second pole component 4 by adjusting the positions of the second bottom plate 22 and the second pole component 4, finishing detection clamping, and ending the method;
step three: opening the box door 61, taking out each cylindrical battery test clamping structure, and mounting a pair of support legs 8 on the enclosure frame 1 of one cylindrical battery test clamping structure;
step four: each positioning layer strip 7 is disassembled and taken out, and then a cylindrical battery test clamping structure provided with a pair of support legs 8 is vertically placed in the test box body 6;
step five: by adjusting the positions of the first bottom plate 21, the second bottom plate 22 and the second pole assembly 4, the cylindrical battery 5 to be tested is placed between the first pole assembly 3 and the second pole assembly 4, detection clamping is completed, and the method is finished.
Optionally, before the step one, the method further includes: step a: judging L and s 0 And the sizes of L and P, if L < s 0 Or L is larger than P, ending the method, and detecting and clamping cannot be carried out by using the test device. Wherein s is 0 The first bottom plate 21 and the second bottom plate 22 of the clamping structure for testing the cylindrical battery are fixed, and the second pole assembly 4 adjusts the detection clamping size when moving to the position nearest to the first bottom plate 21; and P is the detection clamping size when the first bottom plate 21 of the cylindrical battery test clamping structure is adjusted to move to the position farthest from the second bottom plate 22, and the second bottom plate 22 and the second pole assembly 4 are respectively adjusted to move to the position farthest from the first bottom plate 21.
In the using method, the cylindrical battery test clamping structure is horizontally stacked and placed in the cavity of the test box body 6 to be used as the conventional using state of the test device, so that the requirement of s can be met 0 Battery detection clamping in m size range, s 0 The clamping size value is the minimum detection clamping size value; a cylindrical battery test clamping structure is vertically placed in the test box body 6 to be used as a special use state of the test device, battery test clamping in the m-P size range is met, and P is the maximum test clamping size value. Through reasonable enclosure 1, second bottom plate 22 size design, the conventional state can satisfy most battery detection clamping, just switches to special service condition under very few circumstances, when saving test box 6 structural dimension, improves whole testing arrangement's practicality greatly.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of protection thereof, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: various changes, modifications, or equivalents may be made to the particular embodiments of the invention by those skilled in the art after reading the present disclosure, but such changes, modifications, or equivalents are within the scope of the invention as defined in the appended claims.

Claims (10)

1. The cylindrical battery test clamping structure is characterized by comprising a surrounding frame (1), wherein a first bottom plate (21) and a second bottom plate (22) are arranged on the side surface of the surrounding frame (1) along the X direction, a plurality of first pole assemblies (3) are arranged on the first bottom plate (21) along the Y direction, a plurality of second pole assemblies (4) are arranged on the second bottom plate (22) along the Y direction, each first pole assembly (3) is aligned with one second pole assembly (4) along the X direction, and the aligned first pole assemblies (3) and second pole assemblies (4) can realize detection clamping of a cylindrical battery (5) to be tested;
the first bottom plate (21) is arranged at the position on the surrounding frame (1), the second bottom plate (22) is arranged at the position on the surrounding frame (1) and the second pole assembly (4) is arranged at the position on the second bottom plate (22) and can be adjusted and moved along the X direction.
2. The cylindrical battery test clamping structure according to claim 1, wherein the surrounding frame (1) is a rectangular frame with short side frames arranged along the X direction and long side frames arranged along the Y direction, and a plurality of first screw holes (11) are respectively arranged on the two short side frames along the X direction;
the two ends of the first bottom plate (21) are provided with first oblong holes (211) which are arranged along the X direction; at least one screw penetrates through each first oblong hole (211) to be fastened in one first screw hole (11), so that the first bottom plate (21) is fixedly connected with the surrounding frame (1).
3. The cylindrical battery test clamping structure according to claim 1, wherein the first pole assembly (3) comprises: a quick clamp (31), a first pole probe (32) and a first support stopper (33); the quick clamp (31) is used for pushing the first electrode probe (32) to move, so that the detection end of the first electrode probe (32) is contacted and attached with the first electrode of the cylindrical battery (5) to be detected; the end part of the first supporting limiting block (33) far away from the first bottom plate (21) is provided with a first circular arc-shaped notch (331) which can be embedded with the side surface of the cylindrical battery (5) to be tested.
4. A cylindrical battery test clamping structure according to claim 3, wherein the first pole assembly (3) further comprises a U-shaped groove plate (35), two support blocks (36) and a plurality of guide hole screws (37),
the bottom plate of the U-shaped groove plate (35) is arranged in parallel with the first bottom plate (21), one side plate is fixed on the output end of the quick clamp (31), and the other side plate is fixed with the first pole probe (32); two second oblong holes (351) arranged along the X direction are formed in the bottom plate of the U-shaped groove plate (35);
the supporting blocks (36) are fixed on the first bottom plate (21), and each supporting block (36) is arranged between the bottom plate of the U-shaped groove plate (35) and the first bottom plate (21) and is opposite to one second oblong hole (351) respectively;
at least two guide hole screws (37) penetrate through one second oblong hole (351) to be fixed on the corresponding supporting block (36), and a gap is reserved between the top cap of each guide hole screw (37) and the bottom plate of the U-shaped groove plate (35).
5. A cylindrical battery test clamping structure according to claim 3, wherein the first supporting and limiting block (33) comprises a support plate (332) and a cushion block (333), the support plate (332) is in an L-shape, one side plate is attached and fixed to the first bottom plate (21), and the other side plate is fixed with the cushion block (333); the end part of the cushion block (333) far away from the first bottom plate (21) is provided with the first arc-shaped notch (331); the utility model discloses a battery pack, including first bottom plate (21), backing plate (332), backing plate (333), backing plate (334), be provided with on the other curb plate of backing plate (332) and dodge breach and two third slotted holes (334), dodge the breach and be used for avoiding cylinder battery (5) of awaiting measuring of placing, third slotted holes (334) are along perpendicular the direction of first bottom plate (21) is arranged, passes third slotted holes (334) through the screw and fixes on backing block (333), realize backing block (333) with the fixed connection of backing plate (332).
6. The cylindrical battery test clamping structure according to claim 1, wherein the second pole assembly (4) comprises: a second support stopper (41) and a second probe (42); the end part of the second supporting limiting block (41) far away from the first bottom plate (21) is provided with a second circular arc-shaped notch (411) which can be embedded with the side surface of the cylindrical battery (5) to be tested; the second probe (42) is used for being contacted and attached with a second electrode of the cylindrical battery (5) to be tested.
7. The cylindrical battery test clamping structure according to claim 6, wherein the second pole assembly (4) further comprises a baffle plate (43) for fixedly mounting the second probe (42), the baffle plate (43) is in an L-shaped plate shape, one side plate is fixedly attached to the first bottom plate (21), and the other side plate is fixedly provided with the second probe (42).
8. The cylindrical battery test clamping structure according to claim 7, wherein a plurality of second screw hole groups are arranged on the second bottom plate (22) along the Y direction, and each second screw hole group comprises a plurality of second screw hole groups arranged along the X direction; each second screw hole group comprises two third screw holes (221) which are arranged at intervals along the Y direction;
the second supporting limiting block (41) and the baffle plate (43) of the same second pole assembly (4) are respectively fixed on the second bottom plate (22) through different second screw hole groups of the same second screw hole group.
9. A testing device, which is characterized by comprising a plurality of cylindrical battery testing clamping structures as claimed in any one of claims 1-8, and further comprising a test box body (6) capable of controlling constant temperature and humidity of an inner cavity, a plurality of pairs of positioning layer strips (7) and a plurality of pairs of support legs (8);
the test box body (6) is provided with a cuboid inner cavity, a box door (61) of the test box body (6) covers the long side and the side where the height is located of the inner cavity, A is more than or equal to D, E+G is more than or equal to B is more than or equal to E, C is more than or equal to E+F+H, and H is more than or equal to G;
the positioning layer strip (7) is in a strip shape and is detachably fixed on the inner side wall of the test box body (6); the two positioning layer strips (7) of each pair are horizontally and oppositely arranged, so that a multi-layer supporting structure is formed in the test box body (6);
two short side frames of the surrounding frame (1) can be correspondingly stacked on a pair of positioning layer strips (7), so that each cylindrical battery test clamping structure is horizontally supported and placed in the test box body (6) through the pair of positioning layer strips (7);
the support leg frames (8) are of an inverted T-shaped structure, and the top ends of the support leg frames can be detachably fixed at the bottoms of short frames of the surrounding frames (1), so that a pair of support leg frames (8) can vertically support one surrounding frame (1); the support leg rack (8) is arranged outside the test box body (6) for standby;
wherein the length value of the inner cavity of the test box body (6) is A, the width value is B, and the height value is C; the size of the surrounding frame (1) in the Y direction is D, X, and the size of the surrounding frame is E; the first bottom plate (21) has an X-direction dimension F; the second bottom plate (22) has a dimension G in the X direction; the height of the T-shaped stand column of the stand bar frame (8) is H.
10. A method of using the test device of claim 9, wherein a=d, e+g=b, c=e+f+h, comprising the steps of:
step one: judging the sizes of L and m, if L is not greater than m, entering a step II, otherwise, entering a step III, wherein L is the length of a cylindrical battery (5) to be tested, m is the detection clamping size when a first bottom plate (21) of a cylindrical battery test clamping structure is fixed, and a second bottom plate (22) and a second pole component (4) are respectively adjusted to move to the farthest position from the first bottom plate (21);
step two: opening a box door (61), and placing the cylindrical battery (5) to be tested between the first pole component (3) and the second pole component (4) by adjusting the positions of the second bottom plate (22) and the second pole component (4), so as to finish detection and clamping, and ending the method;
step three: opening a box door (61), taking out each cylindrical battery test clamping structure, and mounting a pair of support legs (8) on a surrounding frame (1) of one cylindrical battery test clamping structure;
step four: each positioning layer strip (7) is disassembled and taken out, and then a cylindrical battery test clamping structure provided with a pair of support legs (8) is vertically placed in the test box body (6);
step five: the cylindrical battery (5) to be tested is placed between the first pole component (3) and the second pole component (4) by adjusting the positions of the first bottom plate (21), the second bottom plate (22) and the second pole component (4), so that detection clamping is finished, and the method is finished.
CN202311563300.6A 2023-11-22 2023-11-22 Cylindrical battery test clamping structure, test device and use method Pending CN117538579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311563300.6A CN117538579A (en) 2023-11-22 2023-11-22 Cylindrical battery test clamping structure, test device and use method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311563300.6A CN117538579A (en) 2023-11-22 2023-11-22 Cylindrical battery test clamping structure, test device and use method

Publications (1)

Publication Number Publication Date
CN117538579A true CN117538579A (en) 2024-02-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311563300.6A Pending CN117538579A (en) 2023-11-22 2023-11-22 Cylindrical battery test clamping structure, test device and use method

Country Status (1)

Country Link
CN (1) CN117538579A (en)

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