CN218445893U

CN218445893U - Lithium battery capacity tester

Info

Publication number: CN218445893U
Application number: CN202222309728.5U
Authority: CN
Inventors: 郭卫康; 陈威
Original assignee: Guangzhou Gulianda Electronics Co ltd
Current assignee: Guangzhou Gulianda Electronics Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-02-03
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to a lithium battery test technical field just discloses a lithium battery capacity tester, including the pick-up plate, the bottom of pick-up plate is provided with fixed establishment, fixed establishment includes: the detection device comprises a first case, a first motor, a worm wheel, a first rotating rod, a screw, a clamping block and a working box, wherein the working box is fixedly connected to the bottom of a detection plate. Starting through starting first motor, the function of first motor drives the worm and rotates, the worm rotates and drives the worm wheel and rotate, the worm wheel rotates and drives first bull stick and screw rod and rotates, the screw rod rotates and drives two tight pieces of clamp and is close to each other or keep away from each other, can press from both sides tightly the lithium cell on the pick-up plate under the state of being close to each other, start the second motor afterwards, the function of second motor drives the second bull stick and rotates, the second bull stick drives the carousel rotatory, the carousel is rotatory through driving the connecting rod and detecting the piece activity, form the crank connecting rod motion, reach the purpose that detects with this.

Description

Lithium battery capacity tester

Technical Field

The utility model relates to a lithium cell test technical field specifically is a lithium cell capacity tester.

Background

At present, a detection device used for electrical measurement on a production line is in a clamp type, and the device can meet the requirement of clamping a pole piece due to large clamping force, small opening force and small contact surface, but the pole piece has a narrow application range and is only used for detection after a small number of electric cores are welded. Clamping the pole pieces is completely impractical for a 6P2S/7P2S/8P2S/10P2S module.

However, as patent numbers: the pole on the pole piece is clamped by the clamp type tool, the contact surface is small, the clamp needs to vertically clamp the pole in the test experiment process, the contact surface is relatively increased at the moment, other objects are needed to support the clamp, and otherwise the clamp cannot be firmly clamped, and the safety is low. Therefore, in order to improve the testing efficiency and the safety of the lithium battery module, the capacity testing device for the square lithium battery pack, which is simple in structure, convenient to operate, accurate in testing and safe, is provided, and the problem to be solved in the testing process of the battery module is solved.

However, the patent still has the problem that the hardness of the lithium battery cannot be detected in use, and therefore, the lithium battery capacity tester is improved and proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium battery capacity tester reaches the purpose of solving above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium battery capacity tester, includes the pick-up plate, the bottom of pick-up plate is provided with fixed establishment, fixed establishment includes: first quick-witted case, first motor, worm wheel, first bull stick, screw rod, press from both sides tight piece, work box fixed connection is in the bottom of pick-up plate, first quick-witted case fixed connection is on the right side of work box, first motor fixed mounting is in the inside of first quick-witted case, the output fixed connection of shaft coupling and first motor is passed through to the one end of worm, worm and worm wheel meshing, worm wheel fixed connection is in the one end of first bull stick, the other end of first bull stick passes through the bearing and rotates to be connected on the work box, first bull stick run through the work box and with the one end fixed connection of screw rod, the other end of screw rod rotates through the bearing and connects in the one side inner wall of work box, press from both sides tight piece thread bush and establish on the outer wall of screw rod, press from both sides tight piece and run through the top of work box and extend to the outside at work box top.

Preferably, the screw rod is a bidirectional threaded rod, the number of the clamping blocks is two, and the two clamping blocks are symmetrically arranged on the positive and negative threads of the bidirectional threaded rod.

Preferably, one side of the clamping block is provided with a rubber pad.

Preferably, the top of work box is provided with accredited testing organization, accredited testing organization includes: second machine case, second motor, second bull stick, fixed plate, carousel, fixed block, connecting rod, detection piece, fixed plate fixed connection is at the top of work box, second machine case fixed connection is in one side of fixed plate, second motor fixed mounting is in the inside of second machine case, the output fixed connection of shaft coupling and second motor is passed through to the one end of second bull stick, the other end of second bull stick run through the fixed plate and with carousel fixed connection, the second bull stick passes through the bearing rotation with the fixed plate and is connected, fixed block fixed mounting is on the positive outer wall of carousel, the connecting rod is articulated with the fixed block, the connecting rod is articulated with the detection piece.

Preferably, the fixing plate is U-shaped.

Preferably, the fixing plate is fixedly connected with limiting plates, the two limiting plates are symmetrically arranged, and the outer walls of the two sides of the detection block are respectively contacted with the two limiting plates.

The utility model provides a lithium battery capacity tester. The method has the following beneficial effects:

the utility model discloses a start first motor and start, the function of first motor drives the worm and rotates, the worm rotates and drives worm wheel rotation, worm wheel rotation drives first bull stick and screw rod and rotates, the screw rod rotates and drives two tight pieces of clamp and be close to each other or keep away from each other, can press from both sides the lithium cell on the pick-up plate under the state of being close to each other tightly, start the second motor afterwards, the function of second motor drives the second bull stick and rotates, the second bull stick drives the carousel rotation, the carousel is rotatory through driving the connecting rod and detecting the piece activity, form the motion of crank connecting rod, with this purpose that reaches the detection.

Drawings

Fig. 1 is a front view of a lithium battery capacity tester of the present invention;

fig. 2 is a cross-sectional view of a lithium battery capacity tester of the present invention;

fig. 3 is a side view of the lithium battery capacity tester of the present invention.

In the figure: 1. detecting a plate; 2. a fixing mechanism; 201. a first chassis; 202. a first motor; 203. a worm; 204. a worm gear; 205. a first rotating lever; 206. a screw; 207. a clamping block; 208. a work box; 3. a testing mechanism; 301. a second chassis; 302. a second motor; 303. a second rotating rod; 304. a fixing plate; 305. a turntable; 306. a fixed block; 307. a connecting rod; 308. and detecting the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-3, the utility model provides a technical scheme: the utility model provides a lithium battery capacity tester, includes pick-up plate 1, and the bottom of pick-up plate 1 is provided with fixed establishment 2, and fixed establishment 2 includes: the test device comprises a first case 201, a first motor 202, a worm 203, a worm wheel 204, a first rotating rod 205, a screw 206, a clamping block 207 and a working case 208, wherein the working case 208 is fixedly connected to the bottom of the detection plate 1, the first case 201 is fixedly connected to the right side of the working case 208, the first motor 202 is fixedly installed inside the first case 201, one end of the worm 203 is fixedly connected with the output end of the first motor 202 through a coupler, the worm 203 is meshed with the worm wheel 204, the worm wheel 204 is fixedly connected to one end of the first rotating rod 205, the other end of the first rotating rod 205 is rotatably connected to the working case 208 through a bearing, the first rotating rod 205 penetrates through the working case 208 and is fixedly connected with one end of the screw 206, the other end of the screw 206 is rotatably connected to the inner wall of one side of the working case 208 through a bearing, the clamping block 207 is threadedly sleeved on the outer wall of the screw 206, the clamping block 207 penetrates through the top of the working case 208 and extends to the outside of the top of the working case 208, the screw 206 is a bidirectional threaded rod, the two clamping blocks 207 are symmetrically arranged on the positive and negative threads of the bidirectional threaded rod, one side of the working case 207 is provided with a test mechanism 3 rubber pads arranged on the top of the working case 208, and comprises a test mechanism which is arranged: the second case 301, the second motor 302, the second rotating rod 303, the fixing plate 304, the turntable 305, the fixing block 306, the connecting rod 307, and the detection block 308, the fixing plate 304 is fixedly connected to the top of the working box 208, the second case 301 is fixedly connected to one side of the fixing plate 304, the second motor 302 is fixedly installed inside the second case 301, one end of the second rotating rod 303 is fixedly connected to the output end of the second motor 302 through a coupler, the other end of the second rotating rod 303 penetrates through the fixing plate 304 and is fixedly connected to the turntable 305, the second rotating rod 303 is rotatably connected to the fixing plate 304 through a bearing, the fixing block 306 is fixedly installed on the outer wall of the front surface of the turntable 305, the connecting rod 307 is hinged to the fixing block 306, the connecting rod 307 is hinged to the detection block 308, the fixing plate 304 is U-shaped, the fixing plate 304 is fixedly connected to the fixing plate, the two limit plates are symmetrically arranged, and the outer walls on both sides of the detection block 308 are respectively contacted with the two limit plates.

When the detection device is used, the first motor 202 is started by starting, the operation of the first motor 202 drives the worm 203 to rotate, the worm 203 rotates to drive the worm wheel 204 to rotate, the worm wheel 204 rotates to drive the first rotating rod 205 and the screw 206 to rotate, the screw 206 rotates to drive the two clamping blocks 207 to approach to each other or to be away from each other, lithium batteries on the detection plate 1 can be clamped in a state of approaching to each other, then the second motor 302 is started, the operation of the second motor 302 drives the second rotating rod 303 to rotate, the second rotating rod 303 drives the rotating disc 305 to rotate, the rotating disc 305 rotates to form crank-link movement by driving the connecting rod 307 and the detection block 308 to move, and therefore the purpose of detection is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a lithium battery capacity tester, includes pick-up plate (1), its characterized in that: the bottom of pick-up plate (1) is provided with fixed establishment (2), fixed establishment (2) include: the detection device comprises a first case (201), a first motor (202), a worm (203), a worm wheel (204), a first rotating rod (205), a screw rod (206), a clamping block (207) and a working case (208), wherein the working case (208) is fixedly connected to the bottom of a detection plate (1), the first case (201) is fixedly connected to the right side of the working case (208), the first motor (202) is fixedly installed inside the first case (201), one end of the worm (203) is fixedly connected with the output end of the first motor (202) through a coupler, the worm (203) is meshed with the worm wheel (204), the worm wheel (204) is fixedly connected to one end of the first rotating rod (205), the other end of the first rotating rod (205) is rotatably connected to the working case (208) through a bearing, the first rotating rod (205) penetrates through the working case (208) and is fixedly connected with one end of the screw rod (206), the other end of the screw rod (206) is rotatably connected to the inner wall of one side of the working case (208) through a bearing, the outer wall of the clamping block (207) is sleeved on the outer wall of the screw rod (206), and the top of the working case (208) extends to the top of the working case (208).

2. The lithium battery capacity tester of claim 1, characterized in that: the screw rod (206) is a bidirectional threaded rod, the number of the clamping blocks (207) is two, and the two clamping blocks (207) are symmetrically arranged on the positive and negative threads of the bidirectional threaded rod.

3. A lithium battery capacity tester as claimed in claim 1 wherein: one side of the clamping block (207) is provided with a rubber pad.

4. The lithium battery capacity tester of claim 1, characterized in that: the top of work box (208) is provided with accredited testing organization (3), accredited testing organization (3) include: second machine case (301), second motor (302), second bull stick (303), fixed plate (304), carousel (305), fixed block (306), connecting rod (307), detect piece (308), fixed plate (304) fixed connection is at the top of work box (208), second machine case (301) fixed connection is in one side of fixed plate (304), second motor (302) fixed mounting is in the inside of second machine case (301), the output fixed connection of shaft coupling and second motor (302) is passed through to the one end of second bull stick (303), the other end of second bull stick (303) runs through fixed plate (304) and with carousel (305) fixed connection, second bull stick (303) and fixed plate (304) are connected through bearing rotation, fixed block (306) fixed mounting is on the positive outer wall of carousel (305), connecting rod (307) are articulated with fixed block (306), connecting rod (307) are articulated with detecting piece (308).

5. A lithium battery capacity tester according to claim 4, characterized in that: the fixing plate (304) is U-shaped.

6. A lithium battery capacity tester according to claim 4, characterized in that: the fixed plate (304) is fixedly connected with limiting plates, the two limiting plates are symmetrically arranged, and the outer walls of the two sides of the detection block (308) are respectively contacted with the two limiting plates.