CN214505566U

CN214505566U - Electrode clamping assembly and battery capacity grading cabinet

Info

Publication number: CN214505566U
Application number: CN202120524785.8U
Authority: CN
Inventors: 黄炀; 冯晗; 向伟; 周汉成; 刘金成; 刘建华
Original assignee: Huizhou Yiwei Energy Battery Co ltd; Eve Energy Co Ltd
Current assignee: Eve Energy Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-10-26
Anticipated expiration: 2031-03-12

Abstract

The utility model belongs to the technical field of batteries, and discloses an electrode clamping assembly and a battery capacity grading cabinet, which comprise a bottom plate; the positive electrode clamp is rotatably connected to the bottom plate; the negative electrode clamp is rotatably connected to the bottom plate and arranged side by side with the positive electrode clamp; the auxiliary clamp is rotatably connected to the bottom plate and arranged on the outer side of the positive electrode clamp or the outer side of the negative electrode clamp side by side. The utility model provides an electrode centre gripping subassembly and battery partial volume cabinet, supplementary clamp can form the tripolar post of "negative pole-positive pole-negative pole" with anodal clamp and negative pole clamp, perhaps supplementary clamp can form the tripolar post of "positive pole-negative pole-positive pole" with anodal clamp and negative pole clamp. In the capacity grading process of the battery, the label codes of the battery can face one direction uniformly, the battery is fixed at the corresponding position of the electrode clamping assembly according to the arrangement conditions of the positive electrode and the negative electrode of the battery, the battery can be prevented from overturning, the capacity grading efficiency is improved, and the lug cannot be damaged.

Description

Electrode clamping assembly and battery capacity grading cabinet

Technical Field

The utility model relates to a battery technology field especially relates to an electrode centre gripping subassembly and battery partial volume cabinet.

Background

Lithium ion batteries are widely used in various fields due to their excellent properties such as high energy density, high cycle, high safety, green and environmental protection. After the lithium ion battery is manufactured, in order to verify the quality and performance of the battery and further improve the cycle performance of the battery in the later use process, the battery is usually subjected to several times of cyclic charging and discharging through a capacity grading cabinet before leaving a factory. In addition, in order to facilitate battery performance tracing and information management, in the capacity grading process, battery capacity data needs to be uploaded to a database by code scanning.

The existing battery capacity grading cabinet is mainly in a form of a positive pole and a negative pole bipolar column, when capacity grading is carried out, the positive pole and the negative pole of a battery need to be respectively and electrically connected with the positive pole and the negative pole of the battery capacity grading cabinet, and the battery capacity grading cabinet scans a label code on the current surface of the battery at the same time. However, when the label code of the battery is printed on the reverse side, the battery needs to be turned over manually to complete code scanning, which causes waste of working hours. In addition, for the battery with smaller tabs, the tabs can be bent by overturning the battery, the risk of tab fracture is increased, the appearance of the battery can be influenced, and the influence is caused on the next testing procedure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrode centre gripping subassembly and battery partial volume cabinet can avoid the battery upset, improves partial volume efficiency, and can not harm utmost point ear.

To achieve this object, in one aspect, the present invention provides an electrode clamping assembly comprising:

a base plate;

the positive electrode clamp is rotatably connected to the bottom plate;

the negative electrode clamp is rotatably connected to the bottom plate, and the negative electrode clamp and the positive electrode clamp are arranged side by side;

the auxiliary clamp is rotatably connected to the bottom plate and arranged on the outer side of the positive electrode clamp or the outer side of the negative electrode clamp side by side.

Preferably, the lithium battery further comprises 3 conducting strips, wherein the 3 conducting strips are all fixed on the bottom plate, and the 3 conducting strips are respectively positioned below the positive electrode clamp, the negative electrode clamp and the auxiliary clamp.

Preferably, the auxiliary clamp comprises an auxiliary positive electrode clamp, the auxiliary positive electrode clamp is rotatably connected to the bottom plate, the auxiliary positive electrode clamps are arranged on the outer sides of the negative electrode clamps side by side, and the conducting strip is located below the auxiliary positive electrode clamps.

Preferably, the auxiliary clamp comprises an auxiliary negative electrode clamp, the auxiliary negative electrode clamp is rotatably connected to the bottom plate, the auxiliary negative electrode clamp is arranged on the outer side of the positive electrode clamp side by side, and the conducting strip is located below the auxiliary negative electrode clamp.

Preferably, the power supply further comprises an anode connecting wire, the anode connecting wire is fixed on the bottom plate, and two ends of the anode connecting wire are electrically connected with the conducting strip below the anode clamp and the conducting strip below the auxiliary anode clamp respectively.

Preferably, the negative pole clamp further comprises a negative pole connecting line, the negative pole connecting line is fixed on the bottom plate, and two ends of the negative pole connecting line are electrically connected with the conducting strip below the negative pole clamp and the conducting strip below the auxiliary negative pole clamp respectively.

On the other hand, the utility model provides a battery partial volume cabinet, including foretell electrode centre gripping subassembly, electrode centre gripping subassembly has a plurality ofly.

Preferably, the electrode clamping device further comprises a cabinet body, and the bottom plates of the electrode clamping assemblies are all fixed on the cabinet body.

Preferably, the storage cabinet further comprises a placing plate, the placing plate is used for placing the electrode clamping assemblies and the batteries, the placing plate is provided with a plurality of placing plates, the placing plates are fixed on the cabinet body in parallel at intervals, and each placing plate is used for fixing the bottom plate of each electrode clamping assembly.

Preferably, the intelligent cabinet also comprises a control module, and the control module is fixed on the cabinet body.

The utility model has the advantages that: the utility model provides an electrode centre gripping subassembly and battery partial volume cabinet, through setting up the supplementary clamp in the positive pole clamp outside or negative pole clamp outside side by side, supplementary clamp can form the tripolar post of "negative pole-positive pole-negative pole" with positive pole clamp and negative pole clamp, perhaps supplementary clamp can form the tripolar post of "positive pole-negative pole-positive pole" with positive pole clamp and negative pole clamp. In the capacity grading process of the battery, the label codes of the battery can face one direction uniformly, the battery is fixed at the corresponding position of the electrode clamping assembly according to the arrangement conditions of the positive electrode and the negative electrode of the battery, the battery can be prevented from overturning, the capacity grading efficiency is improved, and the lug cannot be damaged.

Drawings

Fig. 1 is a first schematic structural view of an electrode clamping assembly according to the present invention;

FIG. 2 is a schematic structural view II of the electrode clamping assembly of the present invention;

fig. 3 is a third schematic structural view of the electrode clamping assembly of the present invention;

fig. 4 is a schematic structural diagram of the battery capacity grading cabinet of the present invention.

In the figure: 1. a base plate; 2. a positive electrode holder; 3. a negative electrode holder; 4. an auxiliary clamp; 41. an auxiliary positive electrode clamp; 42. an auxiliary negative electrode holder; 5. a positive electrode connecting wire; 6. a negative electrode connecting wire; 7. a conductive sheet; 8. a cabinet body; 81. placing the plate; 82. and a control module.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides an electrode centre gripping subassembly and battery partial volume cabinet for the partial volume of battery can avoid the battery upset, improves partial volume efficiency, and can not harm utmost point ear. The electrode holding assembly and the battery capacity grading cabinet of the present invention will be described with reference to the following embodiments.

As shown in fig. 1 to 3, the electrode clamping assembly provided in this embodiment includes a bottom plate 1, a positive electrode clamp 2, a negative electrode clamp 3, and an auxiliary clamp 4. The positive electrode clamp 2 is rotatably connected to the bottom plate 1 and is used for being electrically connected with the positive electrode of the battery; the negative electrode clamp 3 is rotationally connected to the bottom plate 1, and the negative electrode clamp 3 and the positive electrode clamp 2 are arranged side by side and are used for being electrically connected with a negative electrode of a battery; the auxiliary clamp 4 is rotatably connected to the bottom plate 1, the auxiliary clamp 4 is arranged on the outer side of the anode clamp 2 or the outer side of the cathode clamp 3 side by side, the auxiliary clamp 4 can form a cathode-anode-cathode three-pole column with the anode clamp 2 and the cathode clamp 3, or the auxiliary clamp 4 can form an anode-cathode-anode three-pole column with the anode clamp 2 and the cathode clamp 3. In the capacity grading process of the battery, the label codes of the battery can face one direction uniformly, the battery is fixed at the corresponding position of the electrode clamping assembly according to the arrangement conditions of the positive electrode and the negative electrode of the battery, the battery can be prevented from overturning, the capacity grading efficiency is improved, and the lug cannot be damaged.

Specifically, as shown in fig. 1 and fig. 2, in the present embodiment, the auxiliary clip 4 may include an auxiliary positive electrode clip 41, the auxiliary positive electrode clip 41 is rotatably connected to the bottom plate 1, the auxiliary positive electrode clip 41 is disposed side by side on the outer side of the negative electrode clip 3, and the auxiliary positive electrode clip 41, the positive electrode clip 2 and the negative electrode clip 3 form a "positive electrode-negative electrode-positive electrode" three-pole column.

In other embodiments, as shown in fig. 3, the auxiliary clip 4 may further include an auxiliary cathode clip 42, the auxiliary cathode clip 42 is rotatably connected to the bottom plate 1, the auxiliary cathode clip 42 is disposed on the outer side of the anode clip 2, and the auxiliary cathode clip 42, the anode clip 2 and the cathode clip 3 form a "cathode-anode-cathode" three-pole column.

Preferably, as shown in fig. 1 to 3, the electrode clamping assembly of the present embodiment further includes a conducting strip 7, wherein 3 conducting strips 7 are provided, 3 conducting strips 7 are all fixed on the base plate 1, and 3 conducting strips 7 are respectively located below the positive electrode clamp 2, the negative electrode clamp 3 and the auxiliary clamp 4, specifically, the conducting strip 7 is located below the auxiliary positive electrode clamp 41 or below the auxiliary negative electrode clamp 42. Through setting up conducting strip 7, the utmost point ear clamping of battery is under the electrode centre gripping subassembly, conducting strip 7 can with the utmost point ear electric connection of battery, the electric property of the battery of being convenient for switches on.

In this embodiment, as shown in fig. 1, the electrode clamping assembly may further include an anode connecting wire 5, the anode connecting wire 5 is fixed on the bottom plate 1, two ends of the anode connecting wire 5 are electrically connected to the conducting strip 7 below the anode clamp 2 and the conducting strip 7 below the auxiliary anode clamp 41 respectively, and the anode connecting wire 5 may connect the two anode posts in series, so as to facilitate external circuit connection.

In other embodiments, as shown in fig. 3, the electrode clamping assembly may further include a negative connecting wire 6, the negative connecting wire 6 is fixed on the bottom plate 1, two ends of the negative connecting wire 6 are electrically connected to the conducting strip 7 below the negative clamp 3 and the conducting strip 7 below the auxiliary negative clamp 42, respectively, and the negative connecting wire 6 may connect the two negative poles in series to facilitate external circuit.

As shown in fig. 4, the battery capacity grading cabinet provided by the embodiment includes the electrode clamping assembly, the electrode clamping assembly is multiple, the battery capacity grading cabinet can avoid battery turnover, capacity grading efficiency is improved, and tabs cannot be damaged. Further, the battery capacity grading cabinet further comprises a cabinet body 8, and the bottom plates 1 of the electrode clamping assemblies are fixed on the cabinet body 8, so that the electrode clamping assemblies are convenient to mount.

In this embodiment, as shown in fig. 4, the battery compartment further includes a placing plate 81, the placing plate 81 is used for placing the electrode clamping assemblies and the battery, the placing plate 81 has a plurality of plates, the plurality of placing plates 81 are fixed on the cabinet body 8 at parallel intervals, and each placing plate 81 fixes the bottom plate 1 of each electrode clamping assembly.

Preferably, as shown in fig. 4, the battery capacity grading cabinet further includes a control module 82, the control module 82 is fixed on the cabinet body 8, and the control module 82 is configured to control a capacity grading process of the battery capacity grading cabinet.

It should be noted that the electrode clamping assembly may also be installed on a battery formation cabinet, and the difference between the battery formation cabinet and the battery capacity grading cabinet is that the battery of the battery formation cabinet is charged and discharged under the condition of heating and pressurizing, and the rest of the structure of the battery formation cabinet is the same as that of the battery capacity grading cabinet, and is not described again.

It will be appreciated that the electrode clamping assembly described above may also be mounted on other charging and discharging equipment during battery production, which is not illustrated here.

As can be seen from the foregoing embodiments, in the electrode clamping assembly and the battery capacity grading cabinet provided in this embodiment, through the auxiliary clamp 4 disposed on the outer side of the positive electrode clamp 2 or the outer side of the negative electrode clamp 3 side by side, the auxiliary clamp 4 may form a three-pole column of "negative electrode-positive electrode-negative electrode" with the positive electrode clamp 2 and the negative electrode clamp 3, or the auxiliary clamp 4 may form a three-pole column of "positive electrode-negative electrode-positive electrode" with the positive electrode clamp 2 and the negative electrode clamp 3. In the capacity grading process of the battery, the label codes of the battery can face one direction uniformly, the battery is fixed at the corresponding position of the electrode clamping assembly according to the arrangement conditions of the positive electrode and the negative electrode of the battery, the battery can be prevented from overturning, the capacity grading efficiency is improved, and the lug cannot be damaged.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An electrode clamping assembly, comprising:

a base plate (1);

the positive electrode clamp (2), the positive electrode clamp (2) is rotatably connected to the bottom plate (1);

the negative electrode clamp (3) is rotatably connected to the bottom plate (1), and the negative electrode clamp (3) and the positive electrode clamp (2) are arranged side by side;

the auxiliary clamp (4) is rotatably connected to the bottom plate (1), and the auxiliary clamps (4) are arranged on the outer side of the positive clamp (2) or the outer side of the negative clamp (3) side by side.

2. The electrode clamping assembly according to claim 1, further comprising 3 conducting strips (7), wherein 3 conducting strips (7) are fixed on the bottom plate (1), and 3 conducting strips (7) are respectively located below the positive electrode clamp (2), the negative electrode clamp (3) and the auxiliary clamp (4).

3. Electrode clamping assembly according to claim 2, characterized in that the auxiliary clamp (4) comprises an auxiliary positive clamp (41), the auxiliary positive clamp (41) being rotatably connected to the base plate (1), the auxiliary positive clamp (41) being arranged side by side outside the negative clamp (3), the conducting strip (7) being located below the auxiliary positive clamp (41).

4. The electrode clamping assembly according to claim 2, wherein the auxiliary clamp (4) comprises an auxiliary negative clamp (42), the auxiliary negative clamp (42) is rotatably connected to the base plate (1), the auxiliary negative clamp (42) is arranged side by side outside the positive clamp (2), and the conducting strip (7) is located below the auxiliary negative clamp (42).

5. The electrode clamping assembly according to claim 3, further comprising a positive connecting wire (5), wherein the positive connecting wire (5) is fixed on the bottom plate (1), and two ends of the positive connecting wire (5) are electrically connected to the conducting strip (7) below the positive clamp (2) and the conducting strip (7) below the auxiliary positive clamp (41), respectively.

6. The electrode clamping assembly according to claim 4, further comprising a negative connecting wire (6), wherein the negative connecting wire (6) is fixed on the bottom plate (1), and two ends of the negative connecting wire (6) are electrically connected with the conducting strip (7) below the negative clamp (3) and the conducting strip (7) below the auxiliary negative clamp (42), respectively.

7. A battery compartment comprising a plurality of electrode holding assemblies as claimed in any one of claims 1 to 6.

8. The battery capacity grading cabinet according to claim 7, further comprising a cabinet body (8), wherein the bottom plates (1) of the plurality of electrode clamping assemblies are all fixed on the cabinet body (8).

9. The battery capacity grading cabinet according to claim 8, further comprising a placing plate (81), wherein the placing plate (81) is used for placing the electrode clamping assemblies and the battery, the placing plate (81) has a plurality of plates, the placing plates (81) are fixed on the cabinet body (8) in parallel at intervals, and each placing plate (81) is used for fixing the bottom plates (1) of the electrode clamping assemblies.

10. The battery capacity grading cabinet according to claim 9, further comprising a control module (82), wherein said control module (82) is fixed on said cabinet body (8).