CN213544770U - Battery testing device and battery testing system - Google Patents

Abstract

The utility model relates to a battery test device and battery test system, this battery test device include elastic component (1) and be used for holding test box (2) of awaiting measuring battery (4), test box (2) fit including being provided with open-ended test box main part (21) and lid open-ended test case lid (22), all be provided with on inside bottom surface (211) of test box main part (21) and side (212) elastic component (1), the both ends of elastic component (1) are used for respectively supporting the top the inner wall of test box (2) with between awaiting measuring battery (4), with await measuring battery (4) centre gripping in the inside of test box main part (21). Through above-mentioned technical scheme, can hold and the centre gripping battery that awaits measuring, and can be applicable to the battery that awaits measuring of not unidimensional.

Description

Battery testing device and battery testing system

Technical Field

The disclosure relates to the technical field of battery testing, in particular to a battery testing device and a battery testing system.

Background

The electric automobile develops rapidly, the power battery serving as a main power source of the electric automobile has very important influence on the performance and safety of the electric automobile, and before the power battery is formally applied to the electric automobile, various electrical properties of the power battery need to be comprehensively tested and verified, so that whether the structure, the performance and the like of the power battery meet safety requirements or not is judged.

In the prior art, power batteries are generally required to be placed in test boxes for testing various structures and performances, and different power batteries have different sizes and dimensions and need to be placed in different test boxes when being tested, so that the cost of a battery test experiment is increased.

SUMMERY OF THE UTILITY MODEL

The purpose of the present disclosure is to provide a battery testing device and a battery testing system, wherein the battery testing device can accommodate and clamp batteries to be tested, and can be suitable for batteries to be tested with different sizes.

In order to realize the above-mentioned purpose, this disclosure provides a battery testing arrangement, include the elastic component and be used for holding the test box of the battery that awaits measuring, the test box fits including being provided with open-ended test box main part and lid the open-ended test case lid, all be provided with on the inside bottom surface of test box main part and the side the elastic component, the both ends of elastic component are used for supporting respectively the top the inner wall of test box with between the battery that awaits measuring, in order to incite somebody to action the battery centre gripping that awaits measuring in the inside of test box main part.

Optionally, at least two the elastic component interval sets up on the bottom surface of test box, the test case lid with the bottom surface sets up relatively, in order to centre gripping jointly in the vertical direction the battery that awaits measuring, the opposite side of test box all is provided with the elastic component, in order to centre gripping jointly in the horizontal direction the battery that awaits measuring.

Optionally, one end of the elastic member is fixed to the bottom surface or the side surface of the corresponding test box main body, and the other end of the elastic member is used for abutting against the battery to be tested.

Optionally, the elastic member is provided as a spring or an elastic block.

Optionally, the test box main body and the test box cover are both formed by heat insulating materials, and a sensor for testing the temperature of the battery to be tested is arranged inside the test box.

Optionally, a display screen is further disposed on an outer surface of the test box, and the display screen is electrically connected to the sensor and is configured to receive and display a measurement result of the sensor.

Optionally, the inner wall of the test box main body is covered with a heat insulation layer, the elastic member penetrates through the heat insulation layer, and the inner wall of the test box cover is also covered with the heat insulation layer.

Optionally, the testing device further comprises a conductive element, a first through hole is formed in the testing box, the conductive element penetrates through the first through hole, a first connecting hole and a second connecting hole are formed in two ends of the conductive element respectively, the first connecting hole is located in the testing box and used for being connected with an electrode of the battery to be tested, and the second connecting hole is located outside the testing box and used for being electrically connected with testing equipment.

Optionally, the conductive elements are arranged as copper bars.

Through the technical scheme, the elastic piece arranged in the test box main body can generate elastic deformation, when batteries to be tested with different sizes are placed into the test box main body, the elastic piece can generate corresponding elastic deformation and generate elasticity, so that the two ends of the elastic piece can respectively abut against the inner wall of the test box and the batteries to be tested, the clamping effect can be achieved on the batteries to be tested with different sizes, the test box can be suitable for the batteries to be tested with different sizes, and the cost of a battery test experiment is saved.

The present disclosure also provides a battery test system, which includes a test device and the above battery test apparatus, wherein the battery to be tested is located in the battery test apparatus and electrically connected to the test device.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a front view of a battery testing apparatus provided in an exemplary embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of a battery testing apparatus provided in an exemplary embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of a battery testing device provided in an exemplary embodiment of the present disclosure, showing a thermal insulation layer;

FIG. 4 is a top view of a battery testing apparatus provided in an exemplary embodiment of the present disclosure;

FIG. 5 is a cross-sectional view of a battery testing apparatus provided in an exemplary embodiment of the present disclosure;

FIG. 6 is a schematic view of a sensor and display screen provided in an exemplary embodiment of the present disclosure.

Description of the reference numerals

1-an elastic member; 2-a test box; 21-test box body; 22-test box cover; 211-bottom surface; 212-side; 213-display screen; 214-a first via; 215-a second via; 23-a thermally insulating layer; 3-a conductive element; 31-a first connection hole; 32-second connection hole; 4-a battery to be tested; 5-a sensor.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise stated, the use of the directional terms such as "vertical direction, horizontal direction" generally refers to the vertical direction, horizontal direction of the battery test apparatus when it is placed on a horizontal surface and during use, and specifically, as shown in fig. 1, "inner and outer" generally refers to the inner and outer of the profile of the relevant component.

As shown in fig. 1 to 6, the present disclosure provides a battery testing apparatus, including elastic component 1 and testing box 2 for accommodating battery 4 to be tested, testing box 2 includes testing box main body 21 provided with an opening and testing box cover 22 covering the opening, elastic component 1 is provided on bottom surface 211 and side surface 212 inside testing box main body 21, and two ends of elastic component 1 are used for respectively abutting against between inner wall of testing box 2 and battery 4 to be tested, so as to clamp battery 4 to be tested inside testing box main body 21.

In the course of performing a battery test experiment using the above battery test apparatus, the test case cover 22 may be opened, the battery 4 to be tested may be placed inside the test case 2 from the opening of the test case main body 21, and then the test case cover 22 may be closed. Because all be provided with elastic component 1 on inside bottom surface 211 of test box main part 21 and the side 212, when placing the battery 4 that awaits measuring of equidimension into test box main part 21, elastic component 1 on the inside bottom surface 211 of test box main part 21 contacts with the bottom surface of the battery 4 that awaits measuring, elastic component 1 on the side 212 contacts with the side of the battery 4 that awaits measuring, elastic component 1 can produce corresponding elastic deformation for its both ends can support respectively between the inner wall of test box 2 and the battery 4 that awaits measuring. That is to say, the clamping space of the battery 4 to be tested is enclosed by the end face of each elastic part 1 used for abutting against the battery 4 to be tested and the inner wall of the test box 2, and the size of the clamping space can be changed through the elastic deformation of the elastic parts 1, so that the elastic parts are suitable for the batteries 4 to be tested with different sizes. The battery 4 that awaits measuring is placed in the inside of test box main part 21, and the elastic component 1 that takes place elastic deformation produces elasticity in order to centre gripping battery 4 that awaits measuring, and test box lid 22 can cover the opening that closes at test box main part 21 to with the battery 4 centre gripping that awaits measuring in the inside of test box main part 21.

Through the technical scheme, the elastic piece 1 arranged in the test box main body 21 can generate elastic deformation, when the batteries 4 to be tested with different sizes are placed into the test box main body 21, the elastic piece 1 can generate corresponding elastic deformation and generate elasticity, so that the two ends of the elastic piece can respectively abut against the inner wall of the test box 2 and the batteries 4 to be tested, the clamping effect can be achieved on the batteries 4 to be tested with different sizes, the test box 2 can be suitable for the batteries 4 to be tested with different sizes, and the cost of a battery test experiment is saved.

Here, the test box main body 21 and the test box cover 22 may be made of insulating oak, so as to avoid a short-circuit accident when the battery 4 to be tested contacts the test box 2 during the test process, and the test box main body 21 and the test box cover 22 may also be made of other insulating materials, which is not limited by the present disclosure.

As shown in fig. 2, as an exemplary embodiment, at least two elastic members 1 are disposed on the bottom surface 211 of the test box 2 at intervals, the test box cover 22 is disposed opposite to the bottom surface 211 to clamp the battery 4 to be tested in the vertical direction, and the opposite side surfaces 212 of the test box 2 are both provided with the elastic members 1 to clamp the battery 4 to be tested in the horizontal direction.

At least two elastic pieces 1 arranged at the bottom of the test box 2 can support the battery 4 to be tested, and limit the displacement of the battery 4 to be tested in the vertical direction together with the test box cover 22, and the elastic pieces 1 arranged on the side surface 212 of the test box 2 relatively can limit the displacement of the battery 4 to be tested in the horizontal direction. When the battery 4 to be tested is placed on the elastic part 1 at the bottom, the upper surface of the battery 4 to be tested is higher than the opening of the test box main body 21, when the test box cover 22 is covered, the battery 4 to be tested is pressed downwards, the elastic part 1 below the battery 4 to be tested is compressed, and therefore the battery 4 to be tested can be clamped in the vertical direction by the elastic part 1 at the bottom and the test box cover 22. In the same way, because all be provided with elastic component 1 on the side of relative setting to can exert the extrusion force on the relative side of the battery 4 that awaits measuring in the horizontal direction, thereby grasp the battery 4 that awaits measuring in the horizontal direction. Because all received the clamping-force in the vertical direction of the battery 4 that awaits measuring and the horizontal direction, consequently, this test box 2 can restrict the displacement of the battery 4 that awaits measuring completely, and at the actual test in-process, the battery 4 that awaits measuring can not appear removing, consequently, can avoid the battery 4 that awaits measuring that causes because the removal of the battery 4 that awaits measuring in the test procedure and external electric connection pine takes off, influences the test procedure.

In order to accommodate the power battery with the square structure, the test box 2 is formed into the square structure and includes four sides, the inside of the test box 2 may be provided with the elastic members 1 on two opposite sides, and the two oppositely-arranged elastic members 1 clamp the battery 4 to be tested in the middle, so as to limit the displacement of the battery 4 to be tested in the horizontal direction, or the inside of the test box 2 may also be provided with the elastic members 1 on four sides, and the battery 4 to be tested is clamped by the four elastic members 1, which is not limited by the present disclosure.

In the present disclosure, there is no limitation on how to connect or fix the elastic member 1, and the elastic member 1 may be fixed on the inner wall of the test box 2, or the elastic member 1 may be configured to be movably placed in the test box 2, and in one embodiment, only one elastic member 1 is disposed at the bottom of the test box 2. The elastic member 1 may be configured to have a size adapted to the size of the bottom surface 211 of the test chamber 2, and the elastic member 1 may be movably placed on the bottom surface 211 of the test chamber 2, and the displacement of the elastic member 1 is limited by the side wall of the test chamber 2.

In another embodiment, one end of the elastic element 1 may be fixed on the bottom surface 211 or the side surface 212 of the corresponding test box main body 21, and the other end of the elastic element 1 is used for abutting against the battery 4 to be tested. Because fixed connection between the inner wall of elastic component 1 and test box 2, can avoid its inside elastic component 1 to take place to shift when removing test box 2, guarantee to stabilize centre gripping battery 4 that awaits measuring moreover in the in-process of carrying out battery test.

The elastic member 1 may be made of various materials and formed in various structures, and as an exemplary embodiment, the elastic member 1 may be configured as a spring, and two ends of the spring respectively abut against between the inner wall of the test box 2 and the battery 4 to be tested. In the embodiment that the elastic element 1 is provided with the spring, one end of the spring abutting against the test box 2 can be fixed on the inner wall of the test box 2 in a bonding mode, an installation bulge can also be formed at the position of the inner wall of the test box 2 where the spring needs to be installed, the spring can be sleeved on the installation bulge, the installation bulge can limit the displacement of the spring, and the spring can be guided by extension or compression.

As another exemplary embodiment, the elastic member 1 may be provided as an elastic block made of an elastic material (e.g., rubber), which may be configured to have a size adapted to the inner size of the test chamber 2, be detachably placed inside the test chamber 2, or may be fixed to the inner wall of the test chamber 2 by means of adhesion.

In a battery test experiment for judging whether the battery 4 to be tested meets the safety requirement, the battery test experiment generally comprises a battery temperature rise experiment, and the battery temperature rise experiment needs to measure the temperature change generated in the battery discharging process under the heat insulation condition, so that the safety of the battery structural design is determined.

In the above battery testing apparatus, the test box 2 includes a test box main body 21 and a test box cover 22 covering the opening of the test box main body 21, that is, the test box 2 can enclose and contain the battery 4 to be tested. Alternatively, the test case main body 21 and the test case cover 22 may both be formed of an insulating material, and the inside of the test case 2 is provided with the sensor 5 for measuring the temperature of the battery 4 to be tested.

The test box main body 21 and the test box cover 22 formed by the heat insulation materials can play a role in heat insulation and heat preservation of the battery 4 to be tested, meet the heat insulation condition required by a battery temperature rise experiment, and prevent temperature loss in the charging and discharging processes of the power battery from influencing the actual measurement result. Simultaneously can measure the temperature variation of the battery 4 that awaits measuring through the sensor 5 that sets up in the test box 2 inside to make above-mentioned battery testing arrangement possess the ability that can carry out the battery temperature rise experiment.

In order to ensure the heat insulation capability of the test box 2, optionally, as shown in fig. 3, the inner wall of the test box main body 21 may be covered with a heat insulation layer 23, the elastic member 1 is inserted through the heat insulation layer 23, and the inner wall of the test box cover 22 is also covered with the heat insulation layer 23. That is to say, all pack between the inner wall of test box 2 and the battery 4 that awaits measuring and have insulating layer 23, can improve the thermal-insulated heat preservation ability of test box 2, guarantee the accuracy of the data of battery temperature rise experiment.

In the embodiment that the elastic member 1 is provided as a spring, the inner wall of the test box main body 21 may be covered with a heat insulation layer 23, and a through hole for the spring to pass through may be provided on the heat insulation layer 23, so that the spring can pass through the through hole.

Here, the above-mentioned heat insulating layer 23 may be provided as heat insulating cotton, or may be provided as other heat insulating material, such as aerogel felt, which is configured to be elastically deformed together with the elastic member 1 when the batteries 4 to be tested of different sizes are placed in the test chamber 2.

In order to more intuitively monitor the conditions inside the test chamber 2, in an exemplary embodiment, a display screen 213 may be further disposed on the outer surface of the test chamber 2, and the display screen 213 is electrically connected to the sensors and is used for receiving and displaying the measurement results of the sensors. The sensor shows measuring result on display screen 213, and operating personnel can monitor the various data of the battery 4 that awaits measuring directly perceivedly through this display screen 213, for example battery temperature etc. simultaneously, operating personnel also can in time discover abnormal data through display screen 213, for example the inside high temperature of test box 2 to in time stop the test and avoid the emergence of incident. The display screen 213 can monitor the temperature rise of the battery in real time, and can prevent the battery from losing efficacy due to overhigh temperature when being used with the charging and discharging equipment.

Optionally, as shown in fig. 1 and fig. 5, the battery testing apparatus may further include a conductive element 3, a first through hole 214 is formed on the testing box 2, the conductive element 3 passes through the first through hole 214, a first connection hole 31 and a second connection hole 32 are respectively formed at two ends of the conductive element 3, the first connection hole 31 is located inside the testing box 2 and is used for being connected with an electrode of the battery 4 to be tested, the second connection hole 32 is located outside the testing box 2 and is used for being electrically connected with the testing device, and the battery 4 to be tested and the testing device may be connected through the conductive element 3, so as to complete various battery testing tests. This conductive element 3's material can be multiple, and as an exemplary embodiment, conductive element 3 can set up to the copper bar, and the copper bar can stably connect battery 4 and the test equipment that awaits measuring, avoids influencing test data simultaneously.

In the embodiment using the copper bar as the heat conducting element, the two ends of the copper bar are respectively provided with a first connecting hole 31 and a second connecting hole 32, the first connecting hole 31 located in the test box 2 is used for connecting the positive lug or the negative lug of the battery 4 to be tested and is screwed up by using a bolt and a nut, the second connecting hole 32 located outside the test box 2 is used for connecting the positive lug or the negative lug of the test equipment and is screwed up by using a bolt and a nut, and the copper bar is electrically connected with the charging and discharging equipment for charging and discharging the power battery, so that large current can be allowed to pass through.

Here, the conductive members 3 may be provided in two, one conductive member 3 being connected to the positive electrode of the battery 4 to be tested, and the other conductive member 3 being connected to the negative electrode of the battery 4 to be tested.

In order to connect other sensors inside the testing box 2, as an exemplary embodiment, the testing box 2 may further be provided with a second through hole 215, and a wire is connected to the second through hole 215 and connected to other sensors inside the testing box 2 and testing equipment outside the testing box 2.

The present disclosure also provides a battery test system, which includes a test device and the above battery test apparatus, wherein the battery 4 to be tested is located in the battery test apparatus and electrically connected with the test device.

The elastic component 1 arranged in the test box main body 21 can generate elastic deformation, so that the test box 2 can be suitable for the batteries 4 to be tested with different sizes, and can be used for carrying out various battery test experiments on the batteries 4 to be tested by electrically connecting the test box 2 to different test equipment, thereby saving the cost of the battery test experiments.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. The utility model provides a battery testing device, its characterized in that includes elastic component (1) and test box (2) that are used for holding battery (4) that await measuring, test box (2) fit including being provided with open-ended test box main part (21) and lid open-ended test box lid (22), all be provided with on bottom surface (211) and side (212) of test box main part (21) inside elastic component (1), the both ends of elastic component (1) are used for respectively supporting the top the inner wall of test box (2) with between battery (4) await measuring, with battery (4) the centre gripping that await measuring in the inside of test box main part (21).

2. The battery testing device according to claim 1, wherein at least two elastic members (1) are arranged on the bottom surface (211) of the testing box (2) at intervals, the testing box cover (22) is arranged opposite to the bottom surface (211) to commonly clamp the battery (4) to be tested in the vertical direction, and the elastic members (1) are arranged on the opposite side surfaces (212) of the testing box (2) to commonly clamp the battery (4) to be tested in the horizontal direction.

3. The battery testing device according to claim 1, wherein one end of the elastic member (1) is fixed on the bottom surface (211) or the side surface (212) of the corresponding testing box main body (21), and the other end of the elastic member (1) is used for abutting against the battery (4) to be tested.

4. A battery test device according to any of claims 1-3, characterized in that the elastic member (1) is provided as a spring or an elastic block.

5. The battery test apparatus according to claim 1, wherein the test case main body (21) and the test case cover (22) are each formed of a heat insulating material, and the inside of the test case (2) is provided with a sensor (5) for testing the temperature of the battery (4) to be tested.

6. The battery testing device according to claim 5, wherein a display screen (213) is further disposed on the outer surface of the testing box (2), the display screen (213) is electrically connected with the sensor (5) and is used for receiving and displaying the measurement result of the sensor (5).

7. The battery testing device according to claim 5, wherein the inner wall of the testing box main body (21) is covered with a heat insulation layer (23), the elastic member (1) is arranged through the heat insulation layer (23), and the inner wall of the testing box cover (22) is also covered with the heat insulation layer (23).

8. The battery testing device according to any one of claims 1 to 3, further comprising a conductive element (3), wherein a first through hole (214) is formed on the testing box (2), the conductive element (3) passes through the first through hole (214), a first connecting hole (31) and a second connecting hole (32) are respectively formed at two ends of the conductive element (3), the first connecting hole (31) is located in the testing box (2) and is used for being connected with an electrode of the battery (4) to be tested, and the second connecting hole (32) is located outside the testing box (2) and is used for being electrically connected with testing equipment.

9. The battery testing device according to claim 8, characterized in that the conductive element (3) is arranged as a copper bar.

10. A battery test system, characterized in that it comprises a test device and a battery test apparatus according to any of claims 1-9, the battery (4) to be tested being located in the battery test apparatus and being electrically connected to the test device.

Images