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CN-116679224-B - Square battery hipot detection device

CN116679224BCN 116679224 BCN116679224 BCN 116679224BCN-116679224-B

Abstract

The invention discloses a square battery hipot detection device which comprises a bottom support mechanism, at least one set of battery large-surface clamping mechanism and at least one set of battery large-surface hipot detection mechanism, wherein each set of battery large-surface clamping mechanism corresponds to one set of battery large-surface hipot detection mechanism, the battery large-surface clamping mechanisms are arranged on the bottom support mechanism in a sliding manner, the battery large-surface hipot detection mechanisms are arranged on the bottom support mechanism at intervals in a relatively-arranged manner, detection channels for the battery large-surface clamping mechanisms to pass through are arranged on the battery large-surface hipot detection mechanisms, the detection positions are the detection channels of the battery large-surface hipot detection mechanisms, and the upper and lower material positions are located beside the detection channels. The invention has the advantages that the insulation resistance and the insulation voltage on the surface of the battery can be automatically detected without manual operation, the battery is not required to be turned over, the interference of mechanical claws during feeding and discharging is effectively avoided, and the vertical type hipot measurement enables the length and width direction measuring mechanisms to be arranged on one vertical large plate, thereby being beneficial to unifying the standard.

Inventors

  • SU SHI
  • ZHANG LIANGLIANG
  • FANG JIANZHONG
  • AN BAIJIANG
  • CAO ZHENG
  • CAO JI

Assignees

  • 浙江杭可科技股份有限公司

Dates

Publication Date
20260505
Application Date
20230616

Claims (10)

  1. 1. A square battery high detection device is characterized by comprising a bottom support mechanism (100), at least one set of battery large-surface clamping mechanism (200) and at least one set of battery large-surface high detection mechanism (300), wherein each set of battery large-surface clamping mechanism (200) corresponds to one set of battery large-surface high detection mechanism (300), the battery large-surface clamping mechanisms (200) are slidably arranged on the bottom support mechanism (100), the battery large-surface high detection mechanisms (300) are oppositely arranged on the bottom support mechanism (100) at intervals, detection channels (312) for the battery large-surface clamping mechanisms (200) to pass through are formed in the battery large-surface high detection mechanisms (300), and the detection positions are at the detection channels (312) of the battery large-surface high detection mechanisms (300), and the upper and lower material positions are located beside the detection channels (312); The bottom supporting mechanism (100) comprises a bottom plate (110) and a transposition driving air cylinder (120), wherein the bottom plate (110) is provided with a horizontal sliding rail (111), the extending direction of the axis of the horizontal sliding rail (111) is defined as the longitudinal direction, and the horizontal direction vertical to the longitudinal direction is defined as the transverse direction; The large-surface battery clamping mechanism (200) is longitudinally arranged on the bottom plate (110) and comprises a base plate (210) and a battery clamping part (220), wherein the base plate of at least one set of large-surface battery clamping mechanism is connected with the action end part of the transposition driving cylinder (120) through a third floating joint (121), the base plate (210) is slidably arranged on the horizontal sliding rail (111), and the battery clamping part (220) is slidably arranged on the longitudinal guide rail (211); The large-surface battery hipot detection mechanism (300) is longitudinally arranged on the bottom plate (110) and comprises a detection support frame (310) and a large-surface battery hipot detection unit (320), the detection support frame (310) is provided with a vertical reference plate (311), a detection channel (312) is arranged at the lower part of the vertical reference plate (311), the horizontal slide rail (111) penetrates through the detection channel (312), the large-surface battery hipot detection unit (320) is arranged on the vertical reference plate (311), a detection end part of the large-surface battery hipot detection unit (320) which is used for being attached to the surface of a square battery and an electrode is provided with a conductive plate, the surface of the battery clamping part (220) which is attached to the surface of the square battery is electrically connected with one measurement electrode of a hipot measuring instrument, and the other measurement electrode of the hipot measuring instrument is connected with the negative electrode of the square battery and is used for measuring the insulation resistance and insulation voltage of the surface of the battery.
  2. 2. The square battery hipot detection device according to claim 1, wherein the battery clamping part (220) is a clamp type clamping mechanism with upward jaws, and comprises a driving clamp body (230), a driven clamp body (240), a first compression cylinder (250) and a bottom supporting component (260), wherein the driving clamp body (230) and the driven clamp body (240) are oppositely arranged on a longitudinal guide rail (211) on the base plate (210) at intervals, a battery clamping space is reserved between the driving clamp body (230) and the driven clamp body (240), the direction of the driving clamp body (230) and the driven clamp body (240) in the battery clamping part (220) is defined to be the inner side, and the direction of the driving clamp body (240) is defined to be the outer side, a first conductive plate (231) is arranged on the inner surface of the driving clamp body (230) facing the battery clamping space, a second conductive plate (241) is arranged on the inner surface of the driven clamp body (240), the driving clamp body (230) is connected with the driven clamp body (240) through a gear transmission component (270) to drive the driving clamp body (240) to move in the opposite direction to the first cylinder (210) so as to clamp the small space, the movable end of the first pressing cylinder (250) is connected with a connecting block (234) at the outer side of the driving clamp body (230) through a first floating joint (251) and used for driving the driving clamp body (230) to move along a longitudinal guide rail (211), a bottom supporting component (260) is arranged on a base plate (210) between the driving clamp body (230) and the driven clamp body (240), a bottom conducting plate (261) is arranged at the top of the bottom supporting component (260), and when the driving clamp body (230) and the driven clamp body (240) clamp the square battery, the first conducting plate (231) and the second conducting plate (241) are respectively attached to two large surfaces of the square battery, and the bottom conducting plate (261) is attached to the bottom surface of the square battery.
  3. 3. The device for detecting the hipot of the square battery according to claim 2, wherein the driving clamp body (230) comprises a first supporting seat (232), the bottom of the first supporting seat (232) is slidably mounted on the longitudinal guide rail (211), and a first insulating plate (233) and a first conductive plate (231) are sequentially arranged on the inner surface of the first supporting seat (232) from outside to inside.
  4. 4. The device for detecting the hipot of the square battery according to claim 3, wherein the passive clamp body (240) comprises a second supporting seat (242), the bottom of the second supporting seat (242) is slidably mounted on the longitudinal guide rail (211), and a second insulating plate (243) and a second conductive plate (241) are sequentially arranged on the inner surface of the second supporting seat (242) from outside to inside.
  5. 5. The device for detecting the position of the square battery according to claim 4, wherein the rack and pinion transmission assembly (270) is arranged between the driving clamp body (230) and the driven clamp body (240) and comprises a first rack (271), a second rack (272) and a gear (273), the first rack (271) and the second rack (272) are longitudinally arranged, the outer end of the first rack (271) is connected with the driving clamp body (230) and the outer end of the second rack (272) is connected with the driven clamp body (240), the gear (273) is rotatably arranged between the driving clamp body (230) and the driven clamp body (240), and the first rack (271) and the second rack (272) are meshed with the gear (273).
  6. 6. The square battery hipot detection device according to claim 1, wherein the detection support frame (310) comprises a vertical reference plate (311), the vertical reference plate (311) is mounted on the bottom plate (110), a detection channel (312) for allowing the battery large-surface clamping mechanism (200) to pass through is arranged at the lower part of the vertical reference plate (311), a vertical guide rail (333) and a plurality of transverse guide rails (334) are arranged on the outer side surface of the vertical reference plate (311), the vertical guide rail (333) is positioned above the detection channel (312), the transverse guide rails (334) are symmetrically arranged on two sides of the detection channel (312), and a side support plate (313) is arranged between the inner side surface of the vertical reference plate (311) and the bottom plate (110) and used for supporting the vertical reference plate (311).
  7. 7. The device of claim 6, wherein the large-area battery hipot detection unit (320) comprises a vertical hipot detection part (330), a plurality of sets of length detection parts (340) and two sets of electrode pressing detection parts (350), wherein the vertical hipot detection part (330) is located above the detection channel (312), the plurality of sets of length detection parts (340) and the two sets of electrode pressing detection parts (350) are respectively arranged at two lateral sides of the detection channel (312), and the detection ends of the vertical hipot detection part (330), the length detection part (340) and the electrode pressing detection part (350) are respectively aligned with the top surface, the side surface and the electrode of the square battery in the battery clamping part (220) at the detection station.
  8. 8. The device for detecting the hipot of the square battery according to claim 7, wherein the vertical hipot detection part (330) comprises a second pressing cylinder (331) and a vertical sliding seat (332), the second pressing cylinder (331) is vertically arranged on the outer side face of the vertical reference plate (311), the vertical sliding seat (332) is slidably arranged on the vertical guide rail (333), the vertical sliding seat (332) is connected with the lifting end part of the second pressing cylinder (331) through a second floating connector (335), a horizontal transverse pressing edge (336) is arranged at the bottom of the vertical sliding seat (332), a first transverse insulating plate (337) and a first transverse conducting plate (338) are sequentially arranged at the bottom of the transverse pressing edge (336) from top to bottom, the first transverse conducting plate (338) is electrically connected with the hipot measuring instrument, and the large-face clamping mechanism (200) of the square battery is used for contacting the top face of the battery (338) when moving to the detection channel (312).
  9. 9. The device for detecting the hipot of the square battery according to claim 7, wherein the length detection parts (340) are symmetrically arranged on two lateral sides of the detection channel (312) and comprise a third pressing cylinder (341) and a first horizontal sliding seat (342), the third pressing cylinder (341) is horizontally arranged on the outer side surface of the vertical reference plate (311), the first horizontal sliding seat (342) is slidably arranged on the corresponding lateral guide rail (334), the first horizontal sliding seat (342) is connected with the pushing end part of the third pressing cylinder (341) through a fourth floating joint (345), one side of the first horizontal sliding seat (342) facing the detection channel is sequentially provided with a second lateral insulating plate (347) and a second lateral conducting plate (348), the second lateral conducting plate (348) is electrically connected with a hipot measuring instrument, and the second lateral conducting plate (348) is used for being in contact with the lateral side surface of the square battery when the large-surface clamping mechanism (200) moves to the detection channel (312).
  10. 10. The device for detecting the hipot of the square battery according to claim 9, wherein the electrode pressing detection part (350) comprises a second horizontal sliding seat (351), a third horizontal insulating plate (352) and an electrode conducting block (353), the second horizontal sliding seat (351) is slidably arranged on the corresponding horizontal guide rail (334) and fixedly connected with one set of first horizontal sliding seat (342), one side of the first horizontal sliding seat (342) facing the detection channel is sequentially provided with the third horizontal insulating plate (352) and the electrode conducting block (353), the electrode conducting block (353) is electrically connected with a hipot measuring instrument, and the electrode conducting block (353) is used for contacting with the electrode of the square battery (400) when the battery large-surface clamping mechanism (200) moves to the detection channel (312).

Description

Square battery hipot detection device Technical Field The invention relates to a square battery hipot detection device, and belongs to the field of square battery detection. Background With the development of the lithium battery industry, the production effect and the energy density requirements of the lithium battery are also increasing. And the space utilization rate of the traditional cylindrical battery is lower, and square batteries with higher energy density are gradually rising. The production process of square batteries is more complex, so that the production process of the battery core needs to be effectively controlled, thereby improving the efficiency and the productivity of the production line and the quality of the battery. The safety of the battery during use is very important, including personnel safety and equipment safety, so that a safety test is required for the battery during battery production, and the test includes the insulation performance of the 6 sides of the square battery. The traditional mode is that the insulation resistance value is qualified or not by manually measuring with the cooperation of the pressing plate and the probe. The manual mode has low efficiency and low measurement precision, and the measurement result is easily influenced by emotion, experience, carefully degree and the like of people, so that the measurement accuracy is low. Some battery horizontal measuring mechanisms also appear on the market, and the front and back of the measuring mechanism are required to be matched with a turnover mechanism, so that the measuring mechanism needs to avoid clamping jaws, and the requirement of measuring the whole insulation performance is not met. Disclosure of Invention In order to solve the problems, the invention provides a square battery hipot detection device which does not need manual operation, can automatically measure the whole insulation performance of a battery and has accurate measurement results. The technical scheme adopted by the invention is as follows: A square battery hipot detection device is characterized by comprising a bottom support mechanism, at least one set of battery large-surface clamping mechanism and at least one set of battery large-surface hipot detection mechanism, wherein each set of battery large-surface clamping mechanism corresponds to one set of battery large-surface hipot detection mechanism, the battery large-surface clamping mechanisms are arranged on the bottom support mechanism in a sliding manner, the battery large-surface hipot detection mechanisms are arranged on the bottom support mechanism at intervals in a relatively-opposite manner, a detection channel for the battery large-surface clamping mechanism to pass through is arranged on the battery large-surface hipot detection mechanism, the detection position is the detection channel of the battery large-surface hipot detection mechanism, and the upper and lower positions are located beside the detection channel; The bottom supporting mechanism comprises a bottom plate and a transposition driving air cylinder, wherein a horizontal sliding rail is arranged on the bottom plate, the extending direction of the axis of the horizontal sliding rail is defined as a longitudinal direction, and the horizontal direction vertical to the longitudinal direction is defined as a transverse direction; the battery large-surface clamping mechanism is arranged on the bottom plate along the longitudinal direction and comprises a base plate and a battery clamping part, wherein the base plate of at least one set of battery large-surface clamping mechanism is connected with the action end part of the transposition driving part; The large-surface battery hipot detection mechanism is arranged on the bottom plate along the longitudinal direction and comprises a detection support frame and a large-surface battery hipot detection unit, wherein the detection support frame is provided with a vertical reference plate, a detection channel is arranged at the lower part of the vertical reference plate, the horizontal slide rail penetrates through the detection channel, the large-surface battery hipot detection unit is arranged on the vertical reference plate, a detection end part of the large-surface battery hipot detection unit, which is used for being attached to the surface of a square battery and an electrode, is provided with a conductive plate, the surface of the battery clamping part, which is used for being attached to the surface of the square battery, is electrically connected with one measurement electrode of the hipot measurement instrument, and the other measurement electrode of the hipot measurement instrument is connected with the negative electrode of the square battery and is used for measuring the insulation resistance and insulation voltage of the surface of the battery. The battery clamping part is a clamp type clamping mechanism with upward jaws and comprises an active clamp body, a passiv