Battery cell testing device

Abstract

The utility model relates to the technical field of battery cell testing, in particular to a battery cell testing device. The battery cell testing device comprises a base and a lifting driving part arranged on the base, a pressing block is arranged on the lifting driving part, a mounting seat is arranged on the base, a plurality of conductive strips corresponding to the pressing block and a plurality of positioning plates corresponding to the conductive strips are arranged on the mounting seat, and the positioning plates correspond to the conductive strips. The conductive strips are connected with a battery cell tester, the positioning plate is provided with a plurality of limiting grooves which are in one-to-one correspondence with the conductive strips, so that leads of battery cells respectively penetrate through the limiting grooves to be lapped on the conductive strips, and the leads and the conductive strips are tightly pressed through the pressing blocks. By adopting the mode, the labor intensity can be reduced, the stability during testing is improved, and the testing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery core testing, in particular to a battery core testing device. Background Art

[0002] Lithium batteries are widely used in various portable electronic devices such as smart phones, smart wearable instruments, tablets, walkie-talkies, etc. Their characteristics are smaller size, ultra-thinness, light weight and high safety.

[0003] Currently, many wireless walkie-talkies on the market use lithium batteries as power sources. Before shipping lithium batteries, the finished batteries must undergo a series of performance tests such as current, voltage, and internal resistance to ensure good battery performance. Because the battery cell of the walkie-talkie has three wires connected to the positive electrode, negative electrode, and ground wire of the battery protection, the performance test of the battery cell cannot be performed on the device, so it can only be tested manually.

[0004] When conducting manual testing, the three wires of the battery cell need to be placed on three metal sheets respectively, and the other ends of the metal sheets are connected to the battery cell tester. Then, an insulating sheet is used to press the exposed terminals of the three wires tightly against the metal sheets to ensure electrical conduction. After the test is completed, the battery cell is placed on the tray. The above test method is labor-intensive and is prone to poor testing due to loose pressing. It is inefficient and is not conducive to mass testing. Utility Model Content

[0005] The technical problem to be solved by the embodiments of the utility model is to provide a battery cell testing device to reduce labor intensity, improve stability during testing, and improve testing efficiency.

[0006] The utility model discloses a battery cell testing device, comprising: a base, and a lifting drive member arranged on the base, the lifting drive member is provided with a pressure block, the base is provided with a mounting seat, the mounting seat is provided with a plurality of conductive strips corresponding to the pressure block, and a plurality of positioning plates corresponding to the conductive strips, the conductive strips are connected to a battery cell tester, and the positioning plate is provided with a plurality of limiting grooves corresponding to the conductive strips one by one, so that the conductive strips of the battery cells pass through the limiting grooves respectively and overlap the conductive strips, and the conductive strips and the conductive strips are pressed tightly by the pressure block.

[0007] Optionally, the battery cell testing device further comprises a pressing plate connected to the mounting seat, the mounting seat is provided with a plurality of first notches, the pressing plate is provided with a plurality of second notches corresponding one to one with the first notches, and the conductive strip is clamped between each group of corresponding first notches and second notches.

[0008] Optionally, a first mounting hole is provided on the mounting seat, and a first strip-shaped hole corresponding to the first mounting hole is provided on the pressing plate, so that a fastener passes through the first strip-shaped hole and the first mounting hole to connect the pressing plate with the mounting seat.

[0009] Optionally, the lifting drive component is a cylinder, the cylinder is connected to a reversing valve via a quick-connect connector, and the reversing valve is connected to a control switch to drive the cylinder to move.

[0010] Optionally, a connecting block is connected to the lifting drive member, and the pressing block is connected to the lifting drive member via the connecting block.

[0011] Optionally, the pressing block is made of insulating material, and the orthographic projection of the pressing block on the mounting seat completely covers the conductive strip.

[0012] Optionally, a plurality of the pressing blocks are arranged at intervals, and the pressing blocks are arranged in a one-to-one correspondence with the conductive strips.

[0013] Optionally, a second mounting hole is provided on the mounting seat, and a second strip hole corresponding to the second mounting hole is provided on the positioning plate, so that a fastener passes through the second strip hole and the second mounting hole to connect the positioning plate to the mounting seat, wherein an extension direction of the second strip hole is consistent with an arrangement direction of the limiting groove.

[0014] Optionally, the battery cell testing device further comprises a support frame, and the lifting drive component is connected to the base via the support frame.

[0015] Optionally, a third strip-shaped hole is further provided on the base, and a connecting hole corresponding to the third strip-shaped hole is provided on the mounting seat to adjust the relative position of the mounting seat and the lifting drive member.

[0016] Compared with the prior art, the beneficial effect of the battery cell testing device provided by the embodiment of the utility model is that: through the lifting drive member arranged on the base, in the process of passing the wire of the battery cell through the limit groove and overlapping the limit groove, the lifting drive member raises the pressing block, and after the wire is placed in place, the lifting drive member is controlled to press down so that the pressing block moves toward the conductive strip until the wire and the conductive strip are stably conductive. Since the conductive strip is connected to the battery cell tester, after the wire and the conductive strip are stably conductive, the battery cell can be tested by the battery cell tester. After the test is completed, the pressing block is lifted by the lifting drive member to carry out the test operation of the next battery cell. Compared with the conventional method, the above method does not need to align the wire with the metal sheet on the battery cell tester, and then manually press to achieve conduction. It only needs to place the battery cell corresponding to the limit groove to achieve the corresponding connection position, and there is no need to deliberately arrange the wires and align them. Electrical conduction can be achieved with the help of the lifting drive member, which is conducive to reducing labor intensity, improving stability during testing, and improving test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The technical solution of the utility model will be further described in detail below with reference to the accompanying drawings and embodiments, in which:

[0018] Figure 1 It is a structural schematic diagram of a battery cell testing device provided by an embodiment of the utility model;

[0019] Figure 2 It is an exploded view of the mounting seat provided by the embodiment of the utility model being connected to the pressing plate and the positioning plate respectively;

[0020] Figure 3 It is a structural schematic diagram of a base provided in an embodiment of the utility model.

[0021] The reference numerals in the figures are:

[0022] 100, battery cell testing device; 110, base; 112, third strip hole; 120, lifting drive member; 122, quick-connect connector; 124, connecting block; 130, pressing block; 140, mounting seat; 142, conductive strip; 144, positioning plate; 1442, limiting groove; 1444, second strip hole; 146, pressing plate; 1462, second notch; 1464, first strip hole; 147, first notch; 148, first mounting hole; 149, second mounting hole; 150, supporting frame. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. Now, in conjunction with the accompanying drawings, a preferred embodiment of the present utility model is described in detail.

[0024] like Figure 1 and Figure 2As shown, an embodiment of the utility model provides a battery cell testing device 100, including: a base 110, and a lifting drive member 120 arranged on the base 110, a pressure block 130 is arranged on the lifting drive member 120, a mounting seat 140 is arranged on the base 110, a plurality of conductive strips 142 corresponding to the pressure block 130 and a plurality of positioning plates 144 corresponding to the conductive strips 142 are arranged on the mounting seat 140, the conductive strips 142 are connected to a battery cell tester (not shown in the figure), and a plurality of limiting grooves 1442 corresponding to the conductive strips 142 are arranged on the positioning plates 144, so that the conductive wires of the battery cells pass through the limiting grooves 1442 respectively and overlap on the conductive strips 142, and the conductive wires and the conductive strips 142 are pressed tightly by the pressure block 130.

[0025] Specifically, by setting the mounting seat 140 on the base 110, it is convenient to use the mounting seat 140 as an operating platform to test the battery cell. In actual applications, in order to facilitate the positioning of the wires led out of the battery cell, a plurality of limit grooves 1442 are set on the mounting seat 140. In the process of conducting the wires, the wires of the battery cell can be respectively passed through the limit grooves 1442 and overlapped on the conductive strips 142. In this way, the wires can correspond to the conductive strips 142 one by one, which provides a basis for subsequent good conduction. During the test, it is only necessary to drive the lifting drive member 120, and the lifting drive member 120 drives the pressing block 130 to press down. When the pressing block 130 contacts the wire, as the pressure is applied, the wire and the conductive strip 142 can form a stable connection relationship, and the conductive strip 142 is connected to the battery tester, so that the battery cell and the battery tester are stably connected.

[0026] It should be noted that the embodiment of the present application does not specifically limit the setting form of the pressing block 130, as long as the stable conduction between the wire and the conductive strip 142 can be ensured. For example, the pressing block 130 can be set as an integrated type. In this case, the pressing block 130 needs to be made of an insulating material, or an insulating coating layer is provided on the pressing block 130 to prevent the pressing block 130 from causing a short circuit in the battery cell when it contacts the conductive material. The pressing block 130 can also be set as a split type. In this case, as long as the pressing block 130 corresponds to the conductive strip 142 one by one, it is ensured that the corresponding wire on each conductive strip 142 is stably conductive.

[0027] The battery cell testing device 100 provided by the embodiment of the utility model has a lifting drive 120 disposed on the base 110. In the process of passing the wire of the battery cell through the limit groove 1442 and overlapping the limit groove 1442, the lifting drive 120 raises the pressing block 130. After the wire is placed in place, the lifting drive 120 is controlled to press down so that the pressing block 130 moves toward the conductive bar 142 until the wire and the conductive bar are stably connected. Since the conductive bar 142 is connected to the battery cell tester, after the wire and the conductive bar 142 are stably connected, the battery cell can be tested by the battery cell tester. After the test is completed, the pressing block 130 is lifted by the lifting drive 120 to carry out the test operation of the next battery cell. Compared with the conventional method, the above method no longer needs to align the wire with the metal sheet on the battery cell tester and then manually press to achieve conduction. The corresponding connection position can be achieved by simply placing the wire and the battery cell corresponding to the limit groove 1442. There is no need for deliberate wire alignment. Electrical conduction can be achieved with the help of the lifting drive 120, which is beneficial to reduce labor intensity, improve stability during testing, and improve test efficiency.

[0028] In an optional embodiment of the present application, the pressing block 130 is made of insulating material, and the orthographic projection of the pressing block 130 on the mounting seat 140 completely covers the conductive strip 142 .

[0029] Specifically, in the process of the pressing block 130 applying force to the conductive strip 142, in order to ensure that the conductive wire and the conductive strip 142 are stably connected when the pressing block 130 is pressed down, the positive projection of the pressing block 130 on the mounting seat 140 needs to completely cover the conductive strip 142, so that it can be avoided that the conductive wire at a certain conductive strip 142 is not completely connected due to incomplete coverage of the pressing block 130. In addition, in order to ensure that the damage to the conductive wire is reduced when pressing down, the pressing block 130 can be made of flexible insulating materials such as rubber, which can protect the conductive wire while ensuring stable conduction.

[0030] In another optional embodiment of the present application, the pressing block 130 is provided with a plurality of (eg Figure 1 As shown), the pressing blocks 130 and the conductive strips 142 are arranged in a one-to-one correspondence.

[0031] In the above form, the conductivity of the pressing block 130 is not limited, as long as the pressing block 130 is arranged one-to-one with the conductive strip 142, when the lifting drive 120 drives the pressing block 130 to press down, the wires at each conductive strip 142 can achieve good conduction. Similarly, in order to reduce damage to the wires when pressing down, the pressing block 130 can be made of flexible materials such as rubber, which can protect the wires while ensuring stable conduction.

[0032] like Figure 2As shown, the battery cell testing device 100 also includes a pressing plate 146 connected to the mounting base 140, and a plurality of first notches 147 are arranged on the mounting base 140. A plurality of second notches 1462 corresponding to the first notches 147 are arranged on the pressing plate 146, and a conductive strip 142 is clamped between each group of corresponding first notches 147 and second notches 1462.

[0033] Specifically, by providing a plurality of first notches 147 on the mounting seat 140, when the conductive strip 142 is placed on the mounting seat 140, the conductive strip 142 can be simply and quickly limited, thereby ensuring the stability of the installation position of the conductive strip 142. By providing a plurality of second notches 1462 on the pressing plate 146 corresponding to the first notches 147, when the pressing plate 146 is connected to the mounting seat 140, the pressing plate 146 can be better fitted to the mounting seat 140, while limiting the conductive strip 142, it is beneficial to improve the convenience of the installation process.

[0034] Please continue to refer to Figure 2 A first mounting hole 148 is provided on the mounting seat 140 , and a first strip hole 1464 corresponding to the first mounting hole 148 is provided on the pressing plate 146 , so that the fastener passes through the first strip hole 1464 and the first mounting hole 148 to connect the pressing plate 146 with the mounting seat 140 .

[0035] In this way, when the pressure plate 146 is connected to the mounting seat 140 to limit the conductive strip 142, the fastener can pass through the first strip hole 1464 and the first mounting hole 148 to connect the pressure plate 146 to the mounting seat 140. Since the first strip hole 1464 is provided on the pressure plate 146, during the process of matching the pressure plate 146 with the mounting seat 140, the position of the pressure plate 146 relative to the mounting seat 140 can be adjusted to avoid the downward pressure of the pressure block 130, so that the required matching relationship can be achieved without the need for high assembly precision, which is beneficial to reduce processing costs and improve flexibility in the assembly process.

[0036] In an optional embodiment of the present application, the lifting drive member 120 is a cylinder, and the cylinder is connected to a reversing valve via a quick-connect connector 122, and the reversing valve is connected to a control switch to drive the cylinder to move.

[0037] Specifically, the lifting drive member 120 uses a cylinder, preferably a double-axis cylinder, to ensure the reliability of the transmission. The cylinder is convenient for using the air source on the production line to drive the lifting drive member 120, and the cylinder moves stably and quickly, which is conducive to improving the operating efficiency. When the cylinder is in use, a quick plug is connected to the cylinder, and the air pipe is connected through the quick plug. The air pipe is connected to a reversing valve, and the reversing valve is connected to a control switch, so that the action of the reversing valve is controlled by the control switch, and then the lifting of the cylinder is controlled. The specific connection form can be a conventional connection form, which will not be described in detail in the embodiment of the present application. Among them, the control switch can be controlled by a foot switch.

[0038] like Figure 1 As shown, a connection block 124 is connected to the lifting drive member 120 , and the pressing block 130 is connected to the lifting drive member 120 via the connection block 124 .

[0039] Specifically, the connection block 124 is used to quickly connect the pressing block 130 to the lifting drive 120, and there is no need to modify the lifting drive 120 itself to adapt to the pressing block 130, which is conducive to improving the convenience of use. At the same time, a buffer component can be integrated on the connecting block 124 to avoid rigid contact between the pressing block 130 and the conductive strip 142, which is conducive to ensuring stability and reliability during use.

[0040] like Figure 2 As shown, a second mounting hole 149 is provided on the mounting seat 140, and a second strip hole 1444 corresponding to the second mounting hole 149 is provided on the positioning plate 144, so that the fastener passes through the second strip hole 1444 and the second mounting hole 149 to connect the positioning plate 144 with the mounting seat 140, wherein the extension direction of the second strip hole 1444 is consistent with the arrangement direction of the limiting groove 1442.

[0041] Specifically, when connecting the positioning plate 144 to the mounting seat 140, the fastener can be passed through the second strip hole 1444 and the second mounting hole 149 to connect the positioning plate 144 to the mounting seat 140. Since the second strip hole 1444 is provided on the positioning plate 144, during the process of matching the positioning plate 144 with the mounting seat 140, the position of the positioning plate 144 relative to the mounting seat 140 can be adjusted so that the limiting groove 1442 and the conductive strip 142 accurately correspond to each other, thereby achieving the required matching relationship without the need for high assembly precision, which is beneficial to reducing processing costs and improving flexibility during the assembly process.

[0042] like Figure 1 As shown, the battery cell testing device 100 further includes a support frame 150 , and the lifting drive member 120 is connected to the base 110 via the support frame 150 .

[0043] Specifically, by arranging the support frame 150 on the base 110, the lifting drive member 120 can have a certain height relative to the base 110 to reserve the space required for the lifting drive member 120 to move. At the same time, the mutual cooperation between the mounting seat 140 and the lifting drive member 120 is facilitated.

[0044] like Figure 3 As shown, the base 110 is further provided with a third strip hole 112 , and the mounting seat 140 is provided with a connecting hole corresponding to the third strip hole 112 to adjust the relative position of the mounting seat 140 and the lifting drive member 120 .

[0045] In this way, during the assembly of the battery cell testing device 100, the relative position of the mounting seat 140 with respect to the lifting drive member 120 can be better adjusted so that the mounting seat 140 can be close to or away from the action area of ​​the lifting drive member 120 as needed, making the cooperation between the mutual parts smoother, thereby reducing the interference problem in the movement process caused by processing errors, which is conducive to reducing the difficulty of assembly and improving stability during use.

[0046] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present utility model rather than to limit it. For those skilled in the art, the technical solutions described in the above embodiments can be modified, or some of the technical features therein can be replaced by equivalents; and all these modifications and replacements should fall within the scope of protection of the claims attached to the present utility model.

Claims

1. A battery cell testing device, It is characterized in that include: A base, and a lifting drive member arranged on the base, the lifting drive member is provided with a pressure block, the base is provided with a mounting seat, the mounting seat is provided with a plurality of conductive strips corresponding to the pressure block, and a plurality of positioning plates corresponding to the conductive strips, the conductive strips are connected to a battery cell tester, and the positioning plates are provided with a plurality of limiting grooves corresponding to the conductive strips one by one, so that the conductive wires of the battery cells pass through the limiting grooves respectively and overlap the conductive strips, and the conductive wires and the conductive strips are pressed tightly by the pressure block.

2. The battery cell testing device according to claim 1, It is characterized in that The battery cell testing device also includes a pressing plate connected to the mounting seat, the mounting seat is provided with a plurality of first notches, the pressing plate is provided with a plurality of second notches corresponding to the first notches one by one, and the conductive strip is clamped between each group of corresponding first notches and second notches.

3. The battery cell testing device according to claim 2, It is characterized in that The mounting seat is provided with a first mounting hole, and the pressing plate is provided with a first strip hole corresponding to the first mounting hole, so that a fastener passes through the first strip hole and the first mounting hole to connect the pressing plate with the mounting seat.

4. The battery cell testing device according to claim 1, It is characterized in that The lifting drive member is a cylinder, and the cylinder is connected to a reversing valve via a quick-plug connector, and the reversing valve is connected to a control switch to drive the cylinder to move.

5. The battery cell testing device according to claim 4, It is characterized in that The lifting drive member is connected with a connecting block, and the pressing block is connected to the lifting drive member through the connecting block.

6. The battery cell testing device according to any one of claims 1 to 5, It is characterized in that The pressing block is made of insulating material, and the orthographic projection of the pressing block on the mounting seat completely covers the conductive strip.

7. The battery cell testing device according to any one of claims 1 to 5, It is characterized in that A plurality of the pressing blocks are arranged at intervals, and the pressing blocks are arranged in one-to-one correspondence with the conductive strips.

8. The battery cell testing device according to any one of claims 1 to 5, It is characterized in that A second mounting hole is provided on the mounting seat, and a second strip hole corresponding to the second mounting hole is provided on the positioning plate, so that a fastener passes through the second strip hole and the second mounting hole to connect the positioning plate with the mounting seat, wherein an extension direction of the second strip hole is consistent with an arrangement direction of the limiting grooves.

9. The battery cell testing device according to any one of claims 1 to 5, It is characterized in that The battery cell testing device also includes a support frame, and the lifting drive component is connected to the base through the support frame.

10. The battery cell testing device according to any one of claims 1 to 5, It is characterized in that The base is also provided with a third strip-shaped hole, and the mounting seat is provided with a connecting hole corresponding to the third strip-shaped hole, so as to adjust the relative position of the mounting seat and the lifting drive member.

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