CN220271534U

CN220271534U - Detection device

Info

Publication number: CN220271534U
Application number: CN202321832101.6U
Authority: CN
Inventors: 夏明龙
Original assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Current assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2023-12-29
Anticipated expiration: 2033-07-12

Abstract

The utility model relates to the technical field of test equipment, and particularly discloses a detection device for detecting short circuit of a winding core, which comprises the following components: the unreeling assembly is provided with a reeling core mounting position; the unreeling component is used for unreeling the reel core; the winding component is used for winding the winding cores unreeled by the unreeling component; the pressing component can be abutted or separated with the winding core to press or release the winding core; the short circuit tester is provided with a first electric connection part used for being connected with the positive plate of the winding core and a second electric connection part used for being connected with the negative plate of the winding core. This detection device can unreel automatically and disassemble the core to can evenly press the core both sides automatically, and then realize the short circuit detection to the core, and need not to carry out manual operation of disassembling and manual operation of pressing, labour saving and time saving, and can avoid pressing the inhomogeneous detection error that produces, thereby do benefit to improvement detection precision and detection efficiency.

Description

Detection device

Technical Field

The utility model relates to the technical field of test equipment, in particular to a detection device.

Background

The lithium ion battery is widely applied to the fields of new energy automobiles and the like because of the advantages of small volume, light weight, high energy density, no pollution and the like. In the production process of the lithium ion battery, as the manufacturing process of the lithium ion battery is complex and the manufacturing procedures are more, foreign matters easily enter the winding core in the production process, so that the local micro short circuit condition of the winding core is easily caused, and safety accidents are also caused when the winding core is serious. Therefore, the spool sample in which the Hi-spot failure is detected often needs to be further disassembled and detected, and the cause of the failure is analyzed.

In the prior art, when detecting a defective winding core, a certain pressing force is applied to an undetached part after a winding core is manually disassembled, and then the detection is performed by a short circuit tester until the short circuit position of the winding core is found; however, the tester always presses by hand directly in the pressing process, so that the labor capacity of the tester is increased easily, the detection efficiency is low, time and labor are wasted, the pressing of each part of the winding core is uneven easily, the detection precision is low, the detection efficiency is affected, and the detection is inconvenient.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a detection device which solves the problems of time and labor waste, detection precision and poor efficiency and low efficiency in the detection of the short circuit position of a bad winding core in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

a detection device for short circuit detection of a winding core, the detection device comprising:

the unreeling assembly is provided with a reeling core installation position; the unreeling component is used for unreeling the reeling core;

the winding component is used for winding the winding core unreeled by the unreeling component;

the pressing component can be abutted with or separated from the winding core so as to press or release the winding core;

the short circuit tester is provided with a first electric connection part used for being connected with the positive plate of the winding core and a second electric connection part used for being connected with the negative plate of the winding core.

Optionally, the detection device further comprises a base, and the unreeling component, the reeling component, the holding component and the short circuit tester are all arranged on the base.

Optionally, the pressing assembly includes a first pressing member and a second pressing member; the first pressing piece and the second pressing piece are respectively arranged on two sides of the winding core and can move close to or away from each other so as to press or release the winding core.

Optionally, the unreeling assembly comprises an unreeling seat and a first driving piece; the unreeling seat is rotatably connected to the base, and the reeling core mounting position is arranged on the unreeling seat; the first driving piece is in driving connection with the unreeling seat.

Optionally, the detection device further comprises a sliding seat, wherein the sliding seat is slidably connected to the base in the vertical direction; the unreeling seat is rotatably arranged on the sliding seat; the first pressing piece is fixedly arranged on the base and corresponds to the first side of the winding core; the second pressing piece is connected to the base in a lifting mode and is arranged corresponding to the second side of the winding core.

Optionally, the detection device further includes a second driving member, the second driving member is mounted on the base, and a first driving portion for lifting and driving the sliding seat is disposed on the second driving member.

Optionally, the pressing component further includes a third driving member, where the third driving member is installed on the base, and a second driving portion for lifting and driving the second pressing member is provided on the third driving member.

Optionally, the first pressing piece and the second pressing piece are both connected to the base in a lifting manner; the first pressing piece and the second pressing piece can be close to pressing or far away from releasing the winding core at the same time.

Optionally, the winding assembly includes a winding needle, the winding needle is rotatably connected to the base, and is used for winding the winding core unreeled by the unreeling assembly.

Optionally, the winding assembly further includes a fourth driving member, where the fourth driving member is installed on the base, and the fourth driving member is in driving connection with the winding needle, so as to rotationally drive the winding needle.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a detection device which can automatically unreel and disassemble a winding core, can automatically and uniformly press two sides of the winding core, further realizes short circuit detection of the winding core, does not need manual disassembly operation and manual pressing operation, saves time and labor, and can avoid detection errors caused by uneven pressing, thereby being beneficial to improving detection precision and detection efficiency, facilitating a detector to accurately and rapidly find the short circuit position of the winding core, further facilitating reasonable and effective analysis of the short circuit reason of the winding core, and being beneficial to production quality of subsequent winding cores.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a detection device according to the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the detection device according to the present utility model;

fig. 3 is a schematic structural diagram of an unreeling assembly provided by the present utility model.

In the above figures: 1. a winding core; 2. unreeling the assembly; 21. a winding core installation position; 22. unreeling seat; 23. a first driving member; 3. a winding assembly; 31. a winding needle; 32. a fourth driving member; 4. a press-holding assembly; 41. a first press-holding member; 42. a second press-holding member; 43. a third driving member; 5. a short circuit tester; 6. a base; 7. a sliding seat; 8. and a second driving member.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. Wherein the exemplary embodiments are described as processes or methods depicted as flowcharts; although a flowchart depicts various operations or step processes as a certain order, many of the operations or steps can be performed in parallel, concurrently or simultaneously, and the order of the various operations can be rearranged. When its operations or steps are completed, the corresponding process may be terminated, and there may be additional steps not included in the drawings. The processes described above may correspond to methods, functions, procedures, subroutines, and the like, and embodiments of the utility model and features of the embodiments may be combined with one another without conflict.

The term "comprising" and variants thereof as used herein is intended to be open ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings; it is to be understood that for convenience of description, only some, but not all of the structures relevant to the present utility model are shown in the drawings.

Referring to fig. 1 to 3, an embodiment of the present utility model provides a detection device for detecting a short circuit of a winding core 1, the detection device includes:

the unreeling assembly 2 is provided with a reeling core mounting position 21; the unreeling component 2 is used for unreeling the reeling core 1;

the winding component 3 is used for winding the winding core 1 unreeled by the unreeling component 2;

the pressing component 4, the pressing component 4 can be abutted against or separated from the winding core 1 to press or release the winding core 1;

the short circuit tester 5, be equipped with on the short circuit tester 5 be used for with roll up the positive pole piece of core 1 and be used for with roll up the second electric connection portion that the negative pole piece of core 1 is connected.

According to the above scheme, the winding core 1 to be disassembled and detected is installed on the winding core installation position 21, then the outermost end of the winding core 1 is disassembled for half a circle and is wound on the winding component 3, then the preset pressure is applied to the two sides of the undetached part of the winding core 1 through the pressing component 4 to press, and then the first electric connection part and the second electric connection part on the short circuit tester 5 are sequentially connected to the positive plate and the negative plate of the winding core 1, so that the short circuit detection on the undetached part of the winding core 1 can be realized; if the display result on the short circuit tester 5 is unqualified, respectively taking down the first electric connection part and the second electric connection part from the positive plate and the negative plate of the winding core 1, continuously unwinding the winding core 1 for half a circle through the unwinding assembly 2, winding the released winding core 1 through the winding assembly 3, continuously applying preset pressure to the two sides of the undetached part of the winding core 1 through the pressing assembly 4, and then carrying out short circuit detection on the winding core 1 through the short circuit tester 5; repeating the operation until the display result of the short circuit tester 5 is qualified, so that the short circuit position of the winding core 1 at the position of the latest disassembly can be known; in general, this detection device can unreel automatically and disassemble core 1 to can evenly press the core 1 both sides automatically, and then realize detecting the short circuit of core 1, and need not to carry out manual operation of disassembling and manual operation of pressing, labour saving and time saving, and can avoid pressing the detection error that unevenly produced, thereby do benefit to and improve detection precision and detection efficiency, in order to make things convenient for the short circuit position of detector accurate, finding core 1 fast, and then be convenient for carry out reasonable effectual analysis to core 1's short circuit reason, in order to do benefit to the production quality of follow-up core 1 simultaneously.

In this embodiment, the first electrical connection portion and the second electrical connection portion may be electrical clips with wires, so that the first electrical connection portion and the second electrical connection portion can be conveniently connected to the positive plate and the negative plate of the winding core 1, so as to meet the use requirement of short circuit detection; or the first electric connection part and the second electric connection part can be conveniently taken down from the positive plate and the negative plate of the winding core 1 so as to disassemble the winding core 1. During each detection, only the half circle of winding core 1 is required to be disassembled, namely, each time, only 180-degree angle adjustment is required to be carried out on the winding core installation position 21, so that the short circuit position of the winding core 1 can be found more accurately.

Further, in order to be convenient for realize bearing the weight of unreeling subassembly 2, rolling subassembly 3, press and hold subassembly 4 and short circuit tester 5, and then realize the automated inspection to rolling core 1, this detection device still includes base 6, unreels subassembly 2, rolling subassembly 3, press and hold subassembly 4 and short circuit tester 5 and all locate on base 6.

Further, in order to facilitate the realization of uniform pressing of both sides of the winding core 1 and the realization of unreeling of the winding core 1, so as to facilitate the convenient and effective detection operation, the pressing assembly 4 comprises a first pressing member 41 and a second pressing member 42; the first pressing member 41 and the second pressing member 42 are provided on both sides of the winding core 1, respectively, and can move toward or away from each other to press or release the winding core 1.

In this embodiment, when the first pressing member 41 and the second pressing member 42 move close to each other, the two sides of the winding core 1 can be uniformly pressed, so that the short circuit tester 5 can effectively detect the winding core 1; when the first pressing piece 41 and the second pressing piece 42 are mutually far away from each other and move to the preset position, the roll core 1 can be turned over, interference of the first pressing piece 41 and the second pressing piece 42 to the roll core 1 is avoided, unreeling operation of the roll core 1 is achieved, and follow-up detection operation is facilitated.

Further, in order to better realize automatic unreeling operation on the winding core 1 so as to meet the use requirement of short circuit detection, the unreeling assembly 2 comprises an unreeling seat 22 and a first driving piece 23; the unreeling seat 22 is rotatably connected to the base 6, and the reeling core mounting position 21 is arranged on the unreeling seat 22; the first driving member 23 is in driving connection with the unreeling seat 22.

In this embodiment, the first driving member 23 may be a rotating motor or a rotating cylinder, and then is connected with the unreeling seat 22 through the rotating driving end of the first driving member 23, so as to drive the unreeling seat 22 to rotate, and further drive the winding core 1 on the winding core mounting position 21 to rotate, thereby realizing automatic unreeling operation of the winding core 1, without manually turning the winding core 1, and saving time and labor.

Further, in order to be able to better carry out the rolling to the disassembled part of core 1 to be convenient for satisfy the automatic operation of disassembling to core 1, winding subassembly 3 includes winding needle 31, winding needle 31 rotates to be connected on base 6, is used for carrying out the rolling to core 1 that unreels of unreeling subassembly 2.

Further, in order to be convenient for carry out automatic rotation drive to the needle 31, and then realize carrying out automatic rolling to the disassembled part of core 1 to satisfy the user demand, rolling subassembly 3 still includes fourth driving piece 32, and fourth driving piece 32 installs on base 6, and fourth driving piece 32 is connected with needle 31 drive, with rotary drive needle 31.

In this embodiment, the fourth driving member 32 may be a rotating motor or a rotating cylinder, and then the winding needle 31 can be driven to rotate by connecting the rotating driving end of the fourth driving member 32 with the winding needle 31, thereby meeting the winding requirement and assisting in the unwinding operation.

In one embodiment of the present utility model, in order to avoid the first pressing member 41 and/or the second pressing member 42 from generating rotational interference on the unreeling seat 22, so as to meet the unreeling requirement, the detecting device further comprises a sliding seat 7, wherein the sliding seat 7 is slidably connected to the base 6 in a vertical direction; the unreeling seat 22 is rotatably arranged on the sliding seat 7; the first pressing piece 41 is fixedly arranged on the base 6 and is arranged corresponding to the first side of the winding core 1; the second pressing member 42 is connected to the base 6 in a lifting manner, and is disposed corresponding to the second side of the winding core 1.

In this embodiment, when the winding core 1 is unwound to a preset position, the sliding seat 7 is adjusted by sliding to drive the first side of the winding core 1 on the unwinding seat 22 to abut against the first pressing member 41, and the second pressing member 42 is adjusted by descending to abut against the second side of the winding core 1, so that the short circuit detection requirement of the short circuit tester 5 can be met by continuously pressing the winding core 1 with a preset pressure by the second pressing member 42; after the current detection of the short circuit tester 5 is completed, the second pressing piece 42 is adjusted to a preset position by ascending, and then the sliding seat 7 is adjusted by sliding to drive the unreeling seat 22 to be adjusted to the middle position of the first pressing piece 41 and the second pressing piece 42, so that the unreeling seat 22 can be adjusted in a rotating way, unreeling operation of the reeling core 1 is conveniently realized, and subsequent detection and use are convenient.

Specifically, in order to be convenient for realize carrying out lift slip to sliding seat 7 fast and adjust to satisfy the user demand, this detection device still includes second driving piece 8, and second driving piece 8 installs on base 6, is equipped with the first drive division that is used for lift drive sliding seat 7 on the second driving piece 8. In this embodiment, the second driving member 8 may be a screw motor or a telescopic cylinder.

Further, in order to facilitate lifting driving adjustment of the second pressing member 42 to meet the detection requirement, the pressing assembly 4 further includes a third driving member 43, the third driving member 43 is mounted on the base 6, and a second driving portion for lifting driving the second pressing member 42 is disposed on the third driving member 43. In this embodiment, the third driving member 43 may be a telescopic rod or a telescopic cylinder, so as to implement lifting driving adjustment for the second pressing member 42.

In another embodiment of the present utility model, in order to avoid the first pressing member 41 and/or the second pressing member 42 from generating rotational interference on the unreeling seat 22, so as to meet the unreeling requirement, the first pressing member 41 and the second pressing member 42 are both connected to the base 6 in a lifting manner; the first and second press members 41, 42 can be brought closer to the press or further away from the release core 1 at the same time.

In the present embodiment, the first pressing member 41 and the second pressing member 42 may be adjusted in a lifting driving manner by a telescopic rod or a lifting cylinder; when the first pressing piece 41 and the second pressing piece 42 move close to the unreeling seat 22 at the same time, the reeling core 1 can be uniformly pressed; when the first pressing member 41 and the second pressing member 42 move away from the unreeling seat 22 to the preset position at the same time, the unreeling seat 22 can be rotationally adjusted to meet the unreeling requirement.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A detection device for short-circuit detection of a winding core (1), characterized in that it comprises:

the unreeling device comprises an unreeling component (2), wherein a reeling core mounting position (21) is arranged on the unreeling component (2); the unreeling assembly (2) is used for unreeling the reeling core (1);

the winding component (3) is used for winding the winding core (1) unreeled by the unreeling component (2);

a pressing assembly (4), wherein the pressing assembly (4) can be abutted with or separated from the winding core (1) to press or release the winding core (1);

the short circuit tester (5), be equipped with on short circuit tester (5) be used for with the first electric connection portion that the positive pole piece of rolling up core (1) is connected and be used for with the second electric connection portion that the negative pole piece of rolling up core (1) is connected.

2. The detection device according to claim 1, further comprising a base (6), wherein the unreeling assembly (2), the reeling assembly (3), the holding assembly (4) and the short circuit tester (5) are all arranged on the base (6).

3. The detection device according to claim 2, wherein the hold-down assembly (4) comprises a first hold-down (41) and a second hold-down (42); the first pressing piece (41) and the second pressing piece (42) are respectively arranged on two sides of the winding core (1) and can move close to or away from each other so as to press or release the winding core (1).

4. A detection device according to claim 3, characterized in that the unreeling assembly (2) comprises an unreeling seat (22) and a first driving member (23); the unreeling seat (22) is rotatably connected to the base (6), and the reeling core mounting position (21) is arranged on the unreeling seat (22); the first driving piece (23) is in driving connection with the unreeling seat (22).

5. The detection device according to claim 4, further comprising a sliding seat (7), said sliding seat (7) being slidingly connected to said base (6) in a vertical direction; the unreeling seat (22) is rotatably arranged on the sliding seat (7); the first pressing piece (41) is fixedly arranged on the base (6) and corresponds to the first side of the winding core (1); the second pressing piece (42) is connected to the base (6) in a lifting mode and is arranged corresponding to the second side of the winding core (1).

6. The detection device according to claim 5, further comprising a second driving member (8), wherein the second driving member (8) is mounted on the base (6), and a first driving portion for driving the sliding seat (7) in a lifting manner is provided on the second driving member (8).

7. A testing device according to claim 3, wherein the pressing assembly (4) further comprises a third driving member (43), the third driving member (43) is mounted on the base (6), and a second driving portion for driving the second pressing member (42) in a lifting manner is provided on the third driving member (43).

8. A device according to claim 3, characterized in that said first (41) and second (42) holders are both connected to said base (6) in a lifting manner; the first pressing member (41) and the second pressing member (42) can simultaneously approach to press or simultaneously separate from releasing the winding core (1).

9. The detection device according to claim 2, characterized in that the winding assembly (3) comprises a winding needle (31), the winding needle (31) being rotatably connected to the base (6) for winding the winding core (1) unwound by the unwinding assembly (2).

10. The detection device according to claim 9, wherein the winding assembly (3) further comprises a fourth driving member (32), the fourth driving member (32) being mounted on the base (6), the fourth driving member (32) being in driving connection with the winding needle (31) for rotationally driving the winding needle (31).