CN219016525U

CN219016525U - Battery test device capable of automatically adjusting clamping force

Info

Publication number: CN219016525U
Application number: CN202222274135.XU
Authority: CN
Inventors: 于琦; 任毅; 窦智; 马嘉良; 秦立超; 吴昊; 张傲; 朱晰源
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-05-12
Anticipated expiration: 2032-08-29

Abstract

The utility model relates to a battery test device capable of automatically adjusting clamping force. The device comprises a first fixed plate, a second fixed plate, a movable clamping plate, a base, a servo electric cylinder, a first fixed bracket, a second fixed bracket, a probe type temperature sensor, a pressure sensor and a control computer; the servo electric cylinder is fixed on the first fixed bracket and the second fixed bracket; the first fixing plate, the second fixing plate, the first fixing bracket and the second fixing bracket are fixed at the other end of the base; the pressure sensor is fixed between the first fixed plate and the second fixed plate; the lower end of the movable clamping plate is in sliding fit with the base; one surface of the movable clamping plate, which is in contact with the test battery, is provided with a probe type temperature sensor; the other surface of the movable clamping plate is connected with a servo electric cylinder; the control computer is connected with the servo electric cylinder, the probe type temperature sensor and the pressure sensor. The utility model discloses an automatically-adjustable test device, which solves the problem that the wearing effect of the existing clamp and device is not good and the test result is easy to be influenced.

Description

Battery test device capable of automatically adjusting clamping force

Technical Field

The utility model relates to the technical field of automobiles, in particular to a battery test device capable of automatically adjusting clamping force.

Background

The lithium ion battery (hereinafter referred to as battery) generates expansion force in the charging and discharging process or the high-temperature shelving process, so most battery tests wear a clamp or other fixing devices in the whole process, and the battery cannot deform due to excessive expansion force. The technical problem that exists of current anchor clamps in laboratory and other fixing device lies in:

(1) The structure is simple, the wearing process is laborious, and the balance of the stress on the surface of the battery is difficult to realize;

(2) The moment of the fixing clamp bolt cannot be changed, the initial moment can only be kept in the wearing process, the internal expansion force of the battery in the test process is increased, the pressure of the clamp on the surface of the battery is increased, the constant moment can enable the diaphragm in the battery to be extruded by larger acting force, and the capacity of the battery can be accelerated and attenuated under the condition.

Disclosure of Invention

The utility model provides a battery test device capable of automatically adjusting clamping force, which solves the problem that the wearing effect of the existing clamp and device is not good and the test result is easy to be influenced.

The technical scheme of the utility model is as follows in combination with the accompanying drawings:

the battery test device capable of automatically adjusting the clamping force comprises a first fixed plate 1, a second fixed plate 2, a movable clamping plate 3, a base 4, a servo electric cylinder 5, a first fixed bracket 6, a second fixed bracket 7, a probe type temperature sensor 8, a pressure sensor 9 and a control computer 10; the servo electric cylinder 5 is fixed on a first fixed bracket 6 and a second fixed bracket 7; the first fixing plate 1, the second fixing plate 2, the first fixing bracket 6 and the second fixing bracket 7 are fixed at the other end of the base 4; the pressure sensor 9 is fixed between the first fixed plate 1 and the second fixed plate 2; the lower end of the movable clamping plate 3 is in sliding fit with the base 4; a probe type temperature sensor 8 is arranged on one surface of the movable clamping plate 3, which contacts the test battery 11; the other surface of the movable clamping plate 3 is connected with a servo electric cylinder 5; the control computer 10 is connected with the servo electric cylinder 5, the probe type temperature sensor 8 and the pressure sensor 9.

Further, an electric cylinder telescopic rod 51, a servo motor 52 and an electric cylinder base 53 are arranged on the servo electric cylinder 5; the electric cylinder base 53 is fixed to the first fixing bracket 6.

Further, the center of the other surface of the movable clamp plate 3 is provided with a bolt, and is connected with a head screw hole of the electric cylinder telescopic rod 51.

Further, the first fixing plate 1 and the second fixing plate 2 are fixed on one side of the base 4; the other side of the base 4 is fixed with a first fixed plate 1 and a second fixed plate 2.

Further, the second fixing bracket 7 is fixed at one side of the movable clamp plate 3; the first fixing plate 1 and the second fixing plate 2 are fixed on the other side of the movable clamping plate 3.

Further, the electric cylinder telescopic rod 51 is connected with the movable clamping plate 3 to drive the movable clamping plate 3 to move, so that the movable clamping plate 3 is in contact with the surface of the test battery 11.

Further, one surface of the movable clamping plate 3, which contacts the test battery, is provided with a sensor arrangement groove; the probe-type temperature sensor 8 is placed in the sensor arrangement groove.

Further, the pressure sensor 9 is disposed between the first fixing plate 1 and the second fixing plate 2, and is fixed by using quick-drying glue.

Further, a first screw hole is formed in the first fixing plate 1.

Further, a second screw hole 21 is formed in the second fixing plate 2; the first screw hole and the second screw hole 21 are fixed by bolts after corresponding.

The beneficial effects of the utility model are as follows:

the clamping force control device is simple in structure, the problem that the wearing of the traditional clamp device affects the test result can be effectively solved, and the clamping force of the battery is recorded in the whole process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an assembly structure of a second fixing plate and a pressure sensor according to the present utility model;

FIG. 3 is a schematic view of a movable clamp plate according to the present utility model;

fig. 4 is a schematic diagram showing an assembly structure of a movable clamp plate and a probe type temperature sensor according to the present utility model.

Fig. 5 is a schematic front view of the present utility model.

In the figure:

1. a first fixing plate; 2. a second fixing plate; 3. moving the clamping plate; 4. a base; 5. a servo electric cylinder; 6. a first fixing bracket; 7. a second fixing bracket; 8. a probe type temperature sensor; 9. a pressure sensor; 10. a control computer; 11. and (5) testing the battery.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween.

Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

It is noted that relational terms such as first and second, and the like are 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.

Moreover, 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.

Referring to fig. 1 and 5, a battery test device capable of automatically adjusting clamping force comprises a first fixing plate 1, a second fixing plate 2, a movable clamping plate 3, a base 4, a servo electric cylinder 5, a first fixing support 6, a second fixing support 7, a probe type temperature sensor 8, a pressure sensor 9 and a control computer 10.

The first fixing plate 1 and the second fixing plate 2 are fixed on one side of the base 4; the other side of the base 4 is fixed with a first fixed plate 1 and a second fixed plate 2. The second fixing bracket 7 is fixed on one side of the movable clamping plate 3; the first fixing plate 1 and the second fixing plate 2 are fixed on the other side of the movable clamping plate 3. The lower end of the movable clamping plate 3 is in sliding fit with the base 4.

Referring to fig. 1, 2 and 5, the first fixing plate 1 is provided with a first screw hole. The second fixing plate 2 is provided with a second screw hole 21; the pressure sensor 9 is arranged between the first fixing plate 1 and the second fixing plate 2 and is fixed by using quick-drying adhesive; the first screw hole and the second screw hole 21 are fixed by bolts after being corresponding.

Referring to fig. 1, the servo electric cylinder 5 may employ a standard execution electric cylinder device, on which an electric cylinder telescopic rod 51, a servo motor 52 and an electric cylinder base 53 are disposed; the servo electric cylinder 5 is fixed on the upper surface of the bottom plate 4 through a first fixed bracket 6 and a second fixed bracket 7, and the servo electric cylinder 5 is in vibration and displacement due to loose connection in the movement process, so that the servo electric cylinder 5 and the bottom plate 4 are required to be firmly connected; wherein the electric cylinder base 53 is fixed on the first fixing bracket 6.

Referring to fig. 3 and 4, the center of the other surface of the movable clamping plate 3 is provided with a bolt and is connected with a head screw hole of the electric cylinder telescopic rod 51; the combination of the movable clamping plate 3 and the electric telescopic rod 51 realizes clamping of the test battery 11 and pressure equalization. One surface of the movable clamping plate 3, which contacts the test battery, is provided with a sensor arrangement groove; the probe-type temperature sensor 8 is placed in the sensor arrangement groove.

The control computer 10 is connected with the servo electric cylinder 5, can control the motion of the servo electric cylinder 5, and has the precision of 0.02mm, so as to control the movement of the movable clamping plate 3, realize the adjustment with a very small amplitude to control the adjustment of the clamping force, and avoid the situation that the diaphragm in the test battery 11 is extruded by a large acting force and the capacity of the battery is possibly accelerated and attenuated; the control computer 10 is connected with the probe type temperature sensor 8 and the pressure sensor 9, collects the numerical values fed back by the probe type temperature sensor 8 and the pressure sensor 9, monitors the numerical values, can record the clamping force on the battery in the whole process, and can select and generate a real-time curve by using the existing software.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The battery test device capable of automatically adjusting the clamping force is characterized by comprising a first fixed plate (1), a second fixed plate (2), a movable clamping plate (3), a base (4), a servo electric cylinder (5), a first fixed support (6), a second fixed support (7), a probe type temperature sensor (8), a pressure sensor (9) and a control computer (10); the servo electric cylinder (5) is fixed on the first fixed bracket (6) and the second fixed bracket (7); the first fixing plate (1), the second fixing plate (2), the first fixing bracket (6) and the second fixing bracket (7) are fixed at the other end of the base (4); the pressure sensor (9) is fixed between the first fixing plate (1) and the second fixing plate (2); the lower end of the movable clamping plate (3) is in sliding fit with the base (4); one surface of the movable clamping plate (3) contacting the test battery is provided with a probe type temperature sensor (8); the other surface of the movable clamping plate (3) is connected with a servo electric cylinder (5); the control computer (10) is connected with the servo electric cylinder (5), the probe type temperature sensor (8) and the pressure sensor (9).

2. The battery test device capable of automatically adjusting clamping force according to claim 1, wherein an electric cylinder telescopic rod (51), a servo motor (52) and an electric cylinder base (53) are arranged on the servo electric cylinder (5); the electric cylinder base (53) is fixed on the first fixed support (6).

3. The battery test device capable of automatically adjusting clamping force according to claim 2, wherein the center of the other side of the movable clamping plate (3) is provided with a bolt and is connected with a head screw hole of the electric cylinder telescopic rod (51).

4. The battery test device capable of automatically adjusting clamping force according to claim 1, wherein the first fixing plate (1) and the second fixing plate (2) are fixed on one side of the base (4); the other side of the base (4) is fixed with a first fixing plate (1) and a second fixing plate (2).

5. The battery test device capable of automatically adjusting clamping force according to claim 1, wherein the second fixing bracket (7) is fixed on one side of the movable clamping plate (3); the first fixing plate (1) and the second fixing plate (2) are fixed on the other side of the movable clamping plate (3).

6. The battery test device capable of automatically adjusting clamping force according to claim 2, wherein the electric cylinder telescopic rod (51) is connected with the movable clamping plate (3) to drive the movable clamping plate (3) to move so that the movable clamping plate (3) is in contact with the surface of a test battery.

7. The battery test device capable of automatically adjusting clamping force according to claim 1, wherein one surface of the movable clamping plate (3) contacting the test battery is provided with a sensor arrangement groove; the probe type temperature sensor (8) is placed in the sensor arrangement groove.

8. The battery test device capable of automatically adjusting clamping force according to claim 1, wherein the pressure sensor (9) is arranged between the first fixing plate (1) and the second fixing plate (2) and is fixed by using quick-drying adhesive.

9. The battery test device capable of automatically adjusting clamping force according to claim 1, wherein the first fixing plate (1) is provided with a first screw hole.

10. The battery test device capable of automatically adjusting the clamping force according to claim 9, wherein the second fixing plate (2) is provided with a second screw hole (21); the first screw hole and the second screw hole (21) are fixed by bolts after corresponding.