Equipment for voltage withstanding test of battery cell

Abstract

The utility model relates to the technical field of battery testing, in particular to a device for a voltage withstanding test of a battery cell. Equipment for voltage withstanding testing of a battery cell comprises a feeding logistics line, a discharging logistics line, a voltage withstanding testing device, a plurality of feeding manipulators and a plurality of discharging manipulators, wherein the feeding logistics line comprises a feeding swing logistics line, a first feeding logistics line and a second feeding logistics line, and the feeding swing logistics line can swing between the first feeding logistics line and the second feeding logistics line; the plurality of feeding manipulators are respectively arranged near the feeding logistics line; the multiple discharging mechanical arms are arranged near the discharging logistics line. According to the equipment for the voltage withstanding test of the battery cells, the swing logistics line supplies materials to the first feeding logistics line and the second feeding logistics line respectively, so that the manufacturing cost can be saved, the multiple feeding manipulators and the multiple discharging manipulators take and place the battery cells, and the efficiency of the equipment can be improved.

Description

Technical Field

[0001] This utility model relates to the field of battery testing technology, and in particular to a device for testing the withstand voltage of battery cells. Background Technology

[0002] Battery cells are an important component of batteries. To ensure the reliability of battery cell performance, it is necessary to test the voltage resistance of the battery cells. However, among the existing equipment, some equipment has low testing efficiency and cannot meet the needs of production, while other equipment has high testing efficiency but is expensive.

[0003] Therefore, there is an urgent need for a device for cell withstand voltage testing to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a device for battery cell withstand voltage testing, which can solve the problems of existing devices having low testing efficiency and failing to meet production needs, while other devices have high testing efficiency but are expensive.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] An apparatus for battery cell withstand voltage testing, comprising,

[0007] The feeding logistics line includes a feeding swing logistics line, a first feeding logistics line and a second feeding logistics line. The feeding swing logistics line is located at one end of the first feeding logistics line and can swing between the first feeding logistics line and the second feeding logistics line.

[0008] Material handling lines, including good product handling lines and defective product handling lines;

[0009] A withstand voltage testing device, wherein the feeding material flow line is located on one side of the withstand voltage testing device and the unloading material flow line is located on the other side of the withstand voltage testing device. The withstand voltage testing device includes a four-sided pressure fixture and a gantry pressure fixture, which can form a receiving cavity for accommodating the battery cell to be tested.

[0010] Multiple loading robots are respectively positioned near the loading logistics line to move the battery cells from the loading logistics line into the four-sided pressure fixture;

[0011] Multiple unloading robots are positioned near the unloading logistics line to move the tested battery cells onto the unloading logistics line.

[0012] As an optional solution, the oscillating material feeding line includes a material feeding line support and a conveying part mounted on the support. One end of the conveying part is rotatably connected to the material feeding line support, and the other end of the conveying part is provided with a power source.

[0013] As an alternative, one end of the conveying unit is provided with a rotating shaft and a clamping part disposed at the lower end of the rotating shaft, and the clamping part is engaged with the logistics line bracket.

[0014] As an optional solution, the four-sided pressure fixture includes,

[0015] Two first movable plates are disposed opposite each other on a fixed plate in a first direction and are both capable of moving along the first direction. The fixed plate is provided with a first slide rail, and the two first movable plates are respectively disposed on the first slide rail. The first movable plates are connected to a first power device.

[0016] Two second movable plates are disposed opposite each other on the fixed plate in a second direction, and both are capable of moving along the second direction. The first direction and the second direction are perpendicular to each other. The fixed plate is provided with a second slide rail, and the two second movable plates are respectively disposed on the second slide rail. The second movable plates are connected to a second power device.

[0017] As an alternative, the test surface of the first movable plate is movably connected to a first foam fixture, and / or

[0018] The test surface of the second movable plate is movably connected to a second foam fixture.

[0019] As an optional solution, the gantry pressure fixture includes a first gantry support and a pressure module mounted on the first gantry support. The pressure module corresponds to the four-sided pressure fixture, and a third power device is provided at both ends of the first gantry support.

[0020] As an optional solution, there are multiple four-sided pressure fixtures, and the first gantry bracket is provided with multiple pressure modules, the number of which corresponds to the number of the multiple four-sided pressure fixtures.

[0021] As an optional solution, a testing device is also included to detect the condition of the battery cells after testing.

[0022] As an optional solution, a second gantry support is also included. The first feeding logistics line, the second feeding logistics line, the good product logistics line and the defective product logistics line are parallel to each other. The second gantry support spans the first feeding logistics line, the second feeding logistics line, the good product logistics line and the defective product logistics line. The plurality of feeding robots and the plurality of unloading robots are respectively mounted on the second gantry support.

[0023] As an optional solution, there are at least two of each of the first feeding logistics line, the second feeding logistics line, the good product logistics line, and the defective product logistics line.

[0024] This utility model has at least the following beneficial effects:

[0025] 1. In this application, the oscillating feeding line can oscillate between the first feeding line and the second feeding line. This allows for the use of a single oscillating feeding line to supply materials to both the first and second feeding lines, thereby saving manufacturing costs.

[0026] 2. This application utilizes multiple loading robots and multiple unloading robots to pick up and place battery cells, which can improve the efficiency of the equipment. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments of this utility model will be briefly introduced below.

[0028] Figure 1 A schematic diagram of a device for battery cell withstand voltage testing provided in an embodiment of this utility model;

[0029] Figure 2 This refers to the state of the oscillating feeding line when it oscillates to the first feeding line, as provided in this embodiment of the utility model.

[0030] Figure 3 This is the state of the feeding oscillating logistics line when it oscillates to the second feeding logistics line, as provided in this embodiment of the utility model.

[0031] Figure 4 A structural diagram of the feeding oscillating logistics line provided in an embodiment of this utility model;

[0032] Figure 5 This is a view from another angle of the oscillating material feeding line provided in an embodiment of the present utility model.

[0033] Figure 6 The pressure resistance testing device provided in this embodiment of the utility model;

[0034] Figure 7 A four-sided pressure fixture provided for an embodiment of this utility model.

[0035] Figure label:

[0036] 1. Loading oscillating logistics line; 11. Logistics line support; 12. Conveying unit; 121. Rotating shaft; 122. Holding unit; 2. First loading logistics line; 3. Second loading logistics line; 4. Good product logistics line; 5. Defective product logistics line; 6. Pressure resistance testing device; 61. Pressure resistance testing device support; 62. Gantry pressure fixture; 621. First gantry support; 622. Pressure module; 623. Third power unit; 63. Four-sided pressure fixture; 631. First moving plate; 632. First foam fixture; 633. Second moving plate; 634. First power unit; 635. Connecting part; 636. Second power unit; 637. Fixing plate; 7. Second gantry support; 8. Loading robot; 9. Unloading robot. Detailed Implementation

[0037] In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0038] In the existing technology, some equipment has low efficiency in testing the withstand voltage performance of battery cells and cannot meet the needs of production, while other equipment has high efficiency in testing the withstand voltage performance of battery cells, but it is expensive.

[0039] Therefore, such as Figures 1 to 7 As shown, an embodiment of this utility model provides a device for battery cell withstand voltage testing to solve the above-mentioned technical problems.

[0040] Specifically, such as Figures 1 to 3As shown, an apparatus for battery cell withstand voltage testing includes a feeding line, a discharging line, a withstand voltage testing device 6, multiple feeding robots 8, and multiple discharging robots 9. The feeding line includes a oscillating feeding line 1, a first feeding line 2, and a second feeding line 3. The oscillating feeding line 1 is located at one end of the first feeding line 2 and can oscillate between the first feeding line 2 and the second feeding line 3. This allows for the use of a single oscillating feeding line 1 to feed both the first and second feeding lines 2 and 3, thus saving manufacturing costs. The discharging line includes a good product feeding line 4 and a defective product feeding line 5. The feeding line is located on one side of the withstand voltage testing device 6 and discharging... The logistics line is located on the other side of the withstand voltage testing device 6. The withstand voltage testing device 6 includes a four-sided pressure fixture 63 and a gantry pressure fixture 62. The four-sided pressure fixture 63 and the gantry pressure fixture 62 are both mounted on the withstand voltage testing device bracket 61. The four-sided pressure fixture 63 and the gantry pressure fixture 62 can form a receiving cavity, which is used to accommodate the battery cell to be tested. Multiple loading robots 8 are respectively located near the loading logistics line to move the battery cell from the loading logistics line into the four-sided pressure fixture 63. Multiple unloading robots 9 are respectively located near the unloading logistics line to move the tested battery cell to the unloading logistics line. By using multiple loading robots 8 and multiple unloading robots 9 to pick up and place battery cells, the efficiency of the equipment can be improved.

[0041] like Figure 4 As shown, in some embodiments, the loading swing logistics line 1 includes a logistics line support 11 and a conveying part 12 disposed on the support 11. One end of the conveying part 12 is rotatably connected to the logistics line support 11, and the other end of the conveying part 12 is provided with a power source 13, which can be an air pump or a motor.

[0042] like Figure 5 As shown, in some embodiments, in order to make the conveying part 12 rotate relative to the support 11, one end of the conveying part 12 is provided with a rotating shaft 121 and a clamping part 122 provided at the lower end of the rotating shaft 121. The clamping part 122 is engaged with the logistics line support 11. The clamping part 122 can be of any shape.

[0043] like Figure 6 , Figure 7As shown, in some embodiments, the four-sided pressure fixture 63 includes two first movable plates 631 and two second movable plates 633. The two first movable plates 631 are disposed opposite each other on a first direction of a fixed plate 637 and are both movable along the first direction. The fixed plate 637 is provided with a first slide rail, and the two first movable plates 631 are respectively disposed on the first slide rail. The first movable plates 631 are connected to a first power device 634. The two second movable plates 633 are disposed opposite each other on a second direction of the fixed plate 637 and are both movable along the second direction. The first direction and the second direction are perpendicular to each other. The device 37 is equipped with a second slide rail, and two second movable plates 633 are respectively mounted on the second slide rail. The second movable plates 633 are connected to the second power device 636. To save space, the second movable plates 633 and the second power device 636 are respectively mounted on two sides of the fixed plate 637. The fixed plate 637 has a slot that passes through the fixed plate 637. A connector 635 is provided in the slot. One end of the connector 635 is fixed to the second movable plate 633, and the other end of the connector 635 is connected to the second power device 636. The connector 635 can move within the slot under the action of the second power device 636. When the battery cell to be tested is placed in the middle of the four-sided pressure fixture, the first movable plate 631 and the second movable plate 633 move towards the battery cell to be tested under the action of the first power device 634 and the second power device 636, respectively, and apply a certain pressure to the battery cell to be tested. Both the first power device 634 and the second power device 636 are air pumps. The air pump model can be selected from commercially available air pumps according to actual needs, without the need for customization of the equipment, which can also reduce the manufacturing cost of the equipment.

[0044] like Figure 7 As shown, in some embodiments, during the testing process, the battery cell under test may sometimes move relative to the first moving plate 631 and the second moving plate 633. To avoid damage to the battery cell under test caused by friction between the battery cell under test on the first moving plate 631 and the second moving plate 633 respectively, a first foam fixture 632 is movably connected to the test surface of the first moving plate 631. The first foam fixture 632 is used to install foam. Alternatively, a second foam fixture can be movably connected to the test surface of the second moving plate 633. The second foam fixture is used to install foam.

[0045] like Figure 6 As shown, in some embodiments, the gantry pressure fixture 62 includes a first gantry support 621 and a pressure module 622 disposed on the first gantry support 621. The pressure module 622 is used to apply a vertical force to the battery cell under test. The pressure module 622 corresponds to the four-sided pressure fixture 63. Both ends of the first gantry support 621 are provided with a third power device 623, which is an air pump.

[0046] In some embodiments, in order to improve the testing efficiency of battery cells in production, multiple four-sided pressure fixtures 63 can be provided, and multiple pressure modules 622 are provided on the first gantry bracket 621. The number of multiple pressure modules 622 corresponds to the number of multiple four-sided pressure fixtures 63. Multiple pressure modules 622 share one first gantry bracket 621, which can reduce the manufacturing cost of the equipment.

[0047] In some embodiments, in order to detect whether the cell condition after the test meets the test requirements, an apparatus for cell withstand voltage testing in this application further includes a detection device, which is prior art and will not be described in detail here.

[0048] like Figures 1 to 3 As shown, in some embodiments, a second gantry support 7 is also included. The first feeding logistics line 2, the second feeding logistics line 3, the good product logistics line 4, and the defective product logistics line 5 are parallel to each other. The second gantry support 7 spans the first feeding logistics line 2, the second feeding logistics line 3, the good product logistics line 4, and the defective product logistics line 5. Multiple feeding robots 8 and multiple unloading robots 9 are respectively arranged on the second gantry support 7, so that the first feeding logistics line 2, the second feeding logistics line 3, the good product logistics line 4, the defective product logistics line 5, the multiple feeding robots 8, and the multiple unloading robots 9 can share the second gantry support 7.

[0049] In some embodiments, in order to improve testing efficiency while reducing manufacturing costs, multiple feeding lines, multiple unloading lines and multiple pressure testing devices 6 can be provided below the second gantry bracket 7.

[0050] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A device for testing the withstand voltage of battery cells, characterized in that, include, The feeding logistics line includes a feeding swing logistics line (1), a first feeding logistics line (2) and a second feeding logistics line (3). The feeding swing logistics line (1) is located at one end of the first feeding logistics line (2) and the feeding swing logistics line (1) can swing between the first feeding logistics line (2) and the second feeding logistics line (3). The material unloading logistics line includes the good product logistics line (4) and the defective product logistics line (5); The withstand voltage test device (6) has a feeding line on one side and a discharging line on the other side. The withstand voltage test device (6) includes a four-sided pressure fixture (63) and a gantry pressure fixture (62). The four-sided pressure fixture (63) and the gantry pressure fixture (62) can form a receiving cavity, which is used to receive the battery cell under test. Multiple loading robots (8) are respectively set near the loading logistics line to move the battery cells of the loading logistics line into the four-sided pressure fixture (63); Multiple unloading robots (9) are respectively set up near the unloading logistics line to move the tested battery cells to the unloading logistics line.

2. The device for cell withstand voltage testing according to claim 1, characterized in that, The loading swing logistics line (1) includes a logistics line support (11) and a conveying part (12) set on the support (11). One end of the conveying part (12) is rotatably connected to the logistics line support (11), and the other end of the conveying part (12) is provided with a power source (13).

3. The device for cell withstand voltage testing according to claim 2, characterized in that, One end of the conveying part (12) is provided with a rotating shaft (121) and a clamping part (122) provided at the lower end of the rotating shaft (121). The holding part (122) is engaged with the logistics line bracket (11).

4. The device for cell withstand voltage testing according to claim 1, characterized in that, The four-sided pressure fixture (63) includes, Two first movable plates (631) are arranged opposite each other on a first direction of a fixed plate (637) and both can move along the first direction. The fixed plate (637) is provided with a first slide rail. The two first movable plates (631) are respectively arranged on the first slide rail. The first movable plates (631) are connected to a first power device (634). Two second movable plates (633) are arranged opposite each other on the fixed plate (637) in a second direction and are both capable of moving along the second direction. The first direction and the second direction are perpendicular to each other. The fixed plate (637) is provided with a second slide rail. The two second movable plates (633) are respectively arranged on the second slide rail. The second movable plates (633) are connected to the second power device (636).

5. The device for cell withstand voltage testing according to claim 4, characterized in that, The test surface of the first movable plate (631) is movably connected to a first foam fixture (632), and / or the test surface of the second movable plate (633) is movably connected to a second foam fixture.

6. The apparatus for cell withstand voltage testing according to claim 5, characterized in that, The gantry pressure fixture (62) includes a first gantry support (621) and a pressure module (622) disposed on the first gantry support (621). The pressure module (622) corresponds to the four-sided pressure fixture (63). A third power device (623) is provided at both ends of the first gantry support (621).

7. The apparatus for cell withstand voltage testing according to claim 6, characterized in that, There are multiple four-sided pressure fixtures (63), and multiple pressure modules (622) are provided on the first gantry bracket (621). The number of multiple pressure modules (622) corresponds to the number of multiple four-sided pressure fixtures (63).

8. The apparatus for cell withstand voltage testing according to any one of claims 1-7, characterized in that, It also includes a testing device for detecting the condition of the battery cells after testing.

9. The apparatus for cell withstand voltage testing according to any one of claims 1-7, characterized in that, It also includes a second gantry support (7), the first loading logistics line (2), the second loading logistics line (3), the good product logistics line (4) and the defective product logistics line (5) are parallel to each other, the second gantry support (7) spans the first loading logistics line (2), the second loading logistics line (3), the good product logistics line (4) and the defective product logistics line (5), and the plurality of loading robots (8) and the plurality of unloading robots (9) are respectively mounted on the second gantry support (7).

10. The apparatus for cell withstand voltage testing according to claim 9, characterized in that, There are at least two of each of the first feeding logistics line (2), the second feeding logistics line (3), the good product logistics line (4), and the defective product logistics line (5).

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