Battery cell module testing device

Abstract

The utility model provides a battery cell module testing device, which comprises a rack, a bearing part, a detection mechanism, a detection instrument, a functional device and a closed box body, and is characterized in that the bearing part is configured to bear a to-be-tested battery cell module; the detection mechanism is configured to detect the to-be-tested battery cell module on the bearing part; the detection instrument and the functional device are installed in the box body, a dehumidification device is arranged in the box body, and the dehumidification device is configured to dehumidify the internal environment of the box body so as to adjust the humidity in the box body, so that it is ensured that the detection instrument and the functional device are always in the preset working environment humidity. According to the cell module testing device, the detection instrument and the functional device are installed in the closed box body, and the dehumidification device can ensure that the detection instrument and the functional device are always in the preset working environment humidity, so that the detection instrument and the functional device are prevented from being influenced by the environment humidity, the testing precision is improved, and the accuracy of a testing result is ensured.

Description

Technical Field

[0001] The present application belongs to the technical field of battery cell module testing, and in particular relates to a battery cell module testing device. Background Art

[0002] During the production process of battery cell modules, it is necessary to conduct insulation withstand voltage (voltage) tests on the assembled battery cell modules to avoid safety hazards caused by poor insulation performance between the battery cells after assembly and use. Currently, the insulation withstand voltage test of battery cell modules is usually carried out by dedicated test equipment. The precision instruments and precision functional components (such as detection instruments and high-voltage relays) of existing test equipment are usually exposed to the outside. However, these precision instruments and precision functional components have relatively high requirements for the humidity of the surrounding environment. When the humidity of the surrounding environment is high, it will affect the detection accuracy and test results, and will also increase the risk of rusting of some parts in the instruments and functional components. Utility Model Content

[0003] The purpose of this application is to provide a battery cell module testing device to solve the problem that the existing testing device will affect the detection accuracy and test results of precision instruments and functional devices when the ambient humidity is high.

[0004] To achieve this goal, this application adopts the following technical solutions:

[0005] The present application proposes a battery cell module testing device, which includes a frame, a carrier, a detection mechanism, a detection instrument, a functional device and a closed box, wherein:

[0006] The carrier is arranged at a test station, and the carrier is configured to carry the battery cell module to be tested;

[0007] The detection mechanism is arranged on the frame, and is configured to detect the battery cell module to be tested on the carrier;

[0008] The detection instrument is electrically connected to the detection mechanism and functional components respectively. The detection instrument and functional components are installed in a box. A dehumidification device is provided in the box. The dehumidification device is configured to dehumidify the internal environment of the box to adjust the humidity in the box, thereby ensuring that the detection instrument and functional components are always in the preset working environment humidity.

[0009] The battery cell module testing device proposed in this application realizes automatic testing of the battery cell module to be tested through a detection mechanism; at the same time, the detection instrument and functional components are installed in a closed box, and the dehumidification device automatically dehumidifies the internal environment of the box, so that the ambient humidity in the box is always within the set range, to ensure that the detection instrument and functional components are always in the preset working environment humidity, to avoid the detection instrument and functional components being affected by the ambient humidity, to improve the test accuracy of the battery cell module testing device, to ensure the accuracy of the test results of the battery cell module testing device, and to greatly reduce the risk of some parts of the detection instrument and functional components rusting due to excessive ambient humidity.

[0010] Optionally, the battery cell module testing device also includes a condensation water evaporator, which is arranged on the outside of the box. The dehumidification device is connected to the condensation water evaporator through a drain pipe. The condensation water generated by the dehumidification device during dehumidification enters the condensation water evaporator through the drain pipe. The condensation water evaporator is configured to evaporate the condensation water generated by the dehumidification device during dehumidification to the outside of the box.

[0011] By setting a condensate evaporator on the outside of the box, the condensate evaporator evaporates the condensate generated by the dehumidification device during dehumidification to the outside of the box, thereby automatically adjusting the humidity of the internal environment of the box while preventing the discharged condensate from affecting the machine.

[0012] Optionally, the dehumidification device is arranged above the condensed water evaporator, and the condensed water generated by the dehumidification device during dehumidification automatically flows into the condensed water evaporator through the drain pipe by its own weight.

[0013] By arranging the dehumidification device above the condensation water evaporator, the condensation water generated by the dehumidification device during dehumidification automatically flows into the condensation water evaporator through the drain pipe by its own weight, which is convenient for collecting the condensation water, has a simple structure and low cost.

[0014] Optionally, the dehumidification device is detachably fixed to the inner wall of the box through a mounting bracket.

[0015] The dehumidification device is detachably fixed to the inner wall of the box through the mounting bracket, which facilitates the disassembly and assembly of the dehumidification device and facilitates subsequent maintenance and inspection of the dehumidification device.

[0016] Optionally, the box is arranged above the rack, or the box is arranged below the rack.

[0017] By arranging the box above the rack, it is convenient for testers to operate and observe test results; by arranging the box below the rack, the space occupied by the test device can be reduced, and the overall structure is compact.

[0018] Optionally, a transparent observation window is provided on the box body, through which the detection results of the detection instrument can be observed.

[0019] By setting a transparent observation window on the box, it is convenient for testers to obtain test results in a timely and intuitive manner.

[0020] Optionally, a first area and a second area that are interconnected are provided in the box, the detection instrument is provided in the first area, and the functional device is installed in the second area.

[0021] By dividing the internal space of the box into a first area and a second area that are interconnected, the detection instruments and functional components are partitioned and arranged in a reasonable layout, which facilitates the installation, subsequent maintenance and repair of the detection instruments and functional components.

[0022] Optionally, a distribution frame and a wiring trough are provided in the second area, the functional devices are installed on the distribution frame, and the wires of the functional devices and the detection instruments are laid out through the wiring trough.

[0023] By arranging a distribution frame and a wiring trough in the second area, the installation of functional devices and the wiring of functional devices and detection instruments are facilitated.

[0024] Optionally, the first area is provided with at least two layers of storage space in the vertical direction.

[0025] By arranging at least two layers of storage space in the vertical direction of the first area, different testing instruments for testing can be arranged separately in layers, which is convenient for testers to perform tests.

[0026] Optionally, the detection mechanism is arranged directly above the carrier, and the detection mechanism includes a lifting drive member and several detection members, each detection member corresponds to a battery cell of the battery cell module to be tested, the driving end of the lifting drive member is connected to the several detection members, and the lifting drive member is configured to drive the several detection members to rise and fall synchronously; the lifting drive member drives the several detection members to descend synchronously to a preset position, so that each detection member is electrically connected to the pole of a corresponding battery cell to perform an insulation withstand voltage test on the battery cell module.

[0027] By setting the detection mechanism directly above the carrier, the lifting drive member drives several detection members to descend synchronously to the preset position, so that each detection member is electrically connected to the pole of a corresponding battery cell, thereby achieving synchronous detection of all battery cells on the carrier and high testing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 Schematic diagram of the three-dimensional structure of the battery module testing device provided in an embodiment of the present application;

[0029] Figure 2 1 is a schematic front view of a battery cell module testing device provided in an embodiment of the present application;

[0030] Figure 31 is a side view schematic diagram of a battery cell module testing device provided in an embodiment of the present application;

[0031] Figure 4 1 is a top view schematic diagram of a battery cell module testing device provided in an embodiment of the present application;

[0032] Figure 5 It is a schematic diagram of the internal structure of the box of the battery cell module testing device provided in an embodiment of the present application.

[0033] Figures 1 to 5 The following reference numerals are included:

[0034] Rack 10;

[0035] Carrier 20;

[0036] Detection mechanism 30: lifting drive member 31, detection member 32;

[0037] Testing equipment 40;

[0038] Box 50: first area 51, storage space 510, second area 52, distribution frame 520, wiring trough 521;

[0039] Dehumidification device 60: mounting frame 61;

[0040] Condensate evaporator 70;

[0041] Drain pipe 80. DETAILED DESCRIPTION

[0042] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0043] During the production process of battery cell modules, it is necessary to conduct insulation withstand voltage (voltage) tests on the assembled battery cell modules to avoid safety hazards caused by poor insulation performance between the battery cells after assembly and use. Currently, the insulation withstand voltage test of battery cell modules is usually carried out by dedicated test equipment. The precision instruments and precision functional components (such as detection instruments and high-voltage relays) of existing test equipment are usually exposed to the outside. However, these precision instruments and precision functional components have relatively high requirements for the humidity of the surrounding environment. When the humidity of the surrounding environment is high, it will affect the detection accuracy and test results, and will also increase the risk of rusting of some parts in the instruments and functional components.

[0044] Therefore, this application proposes a battery module testing device, please refer to Figure 1 and Figure 3As shown, the battery cell module testing device proposed in the embodiment of the present application includes a rack 10, a carrier 20, a detection mechanism 30, a detection instrument 40, a functional device (not shown in the figure) and a closed box 50. The carrier 20 is arranged at the test station, and the carrier 20 is configured to carry the battery cell module to be tested (not shown in the figure); the detection mechanism 30 is arranged on the rack 10, and the detection mechanism 30 is configured to perform detection on the battery cell module to be tested on the carrier 20; the detection instrument 40 is electrically connected to the detection mechanism 30 and the functional device, respectively, and the detection instrument 40 and the functional device are installed in the box 50. A dehumidification device 60 is provided in the box 50, and the dehumidification device 60 is configured to dehumidify the internal environment of the box 50 to adjust the humidity in the box 50, thereby ensuring that the detection instrument 40 and the functional device are always in the preset working environment humidity.

[0045] It can be seen that the battery cell module testing device proposed in the present application realizes automatic testing of the battery cell module to be tested through the detection mechanism 30; at the same time, the detection instrument 30 and the functional components are installed in a closed box 50, and the dehumidification device 60 automatically dehumidifies the internal environment of the box 50, so that the ambient humidity in the box 50 is always within the set range, to ensure that the detection instrument 30 and the functional components are always in the preset working environment humidity, to avoid the detection instrument 30 and the functional components being affected by the ambient humidity, to improve the test accuracy of the battery cell module testing device, to ensure the accuracy of the test results of the battery cell module testing device, and to greatly reduce the risk of some parts of the detection instrument 30 and the functional components rusting due to excessive ambient humidity.

[0046] See also Figure 1 and Figure 2 As shown, as an embodiment, the battery module testing device also includes a condensation water evaporator 70, which is arranged on the outside of the box body 50. The dehumidification device 60 is connected to the condensation water evaporator 70 through a drain pipe 80. The condensation water generated by the dehumidification device 60 during dehumidification enters the condensation water evaporator 70 through the drain pipe 80. The condensation water evaporator 70 is configured to evaporate the condensation water generated by the dehumidification device 60 during dehumidification to the outside of the box body 50.

[0047] Specifically, the dehumidification device 60 is a general dehumidifier or an air conditioner with a dehumidification function, and the condensed water evaporator 70 can be a general air conditioner condensed water evaporator or heat the condensed water through a heating rod to volatilize it.

[0048] Specifically, the box body 50 is provided with a sealed door that can be opened or closed to facilitate the installation and maintenance of the detection instrument 40, functional components and dehumidification device 60.

[0049] It can be seen that by setting a condensation water evaporator 70 on the outside of the box body 50, the condensation water evaporator 70 evaporates the condensation water generated by the dehumidification device 60 during dehumidification to the outside of the box body 50, thereby automatically adjusting the humidity of the internal environment of the box body 50 while preventing the discharged condensation water from affecting the machine.

[0050] As an embodiment, the dehumidification device 60 is arranged above the condensed water evaporator 70 , and the condensed water generated by the dehumidification device 60 during dehumidification automatically flows into the condensed water evaporator 70 through the drain pipe 80 by its own weight.

[0051] It can be seen that by arranging the dehumidification device 60 above the condensation water evaporator 70, the condensation water generated by the dehumidification device 60 during dehumidification automatically flows into the condensation water evaporator 70 through the drain pipe 80 by its own weight, which facilitates the collection of the condensation water, has a simple structure and low cost.

[0052] As an embodiment, the dehumidification device 60 is detachably fixed to the inner wall of the box body 50 via a mounting bracket 61 .

[0053] Specifically, the dehumidification device 60 is fixed on the mounting bracket 61. A plurality of mounting holes are correspondingly provided on the box body 50 and the mounting bracket 61. The fixing screws fix the mounting bracket 61 detachably on the inner wall of the box body 50 through the mounting holes. At the same time, the installation position of the dehumidification device 60 can be adjusted by adjusting the mounting hole position of the mounting bracket 61.

[0054] It can be seen that the dehumidification device 60 is detachably fixed to the inner wall of the box body 50 by the mounting bracket 61 , which facilitates the disassembly and assembly of the dehumidification device 60 and facilitates subsequent maintenance and inspection of the dehumidification device 60 .

[0055] As an implementation manner, the box 50 is disposed above the rack 10 , or the box 50 is disposed below the rack 10 .

[0056] Preferably, the box 50 is disposed above the frame 10 and located on one side of the detection mechanism 30 , so that the box 50 is at a height that is convenient for the tester to operate or observe.

[0057] It can be seen that by arranging the box 50 above the rack 10, it is convenient for the tester to operate and observe the test results; by arranging the box 50 below the rack 10, the space occupied by the test device can be reduced, and the overall structure is compact.

[0058] As an embodiment, a transparent observation window is provided on the box body 50, through which the detection results of the detection instrument can be observed.

[0059] It can be seen that by providing a transparent observation window on the box body 50, it is convenient for the test personnel to obtain the test results in a timely and intuitive manner.

[0060] See also Figure 5 As shown, as an embodiment, a first area 51 and a second area 52 that are interconnected are provided in the box 50 , the detection instrument 40 is provided in the first area 51 , and the functional components are installed in the second area 52 .

[0061] It can be seen that by dividing the internal space of the box 50 into a first area 51 and a second area 52 that are interconnected, the detection instrument 40 and functional components are partitioned and arranged in a reasonable layout, which facilitates the installation and subsequent maintenance and inspection of the detection instrument 40 and functional components.

[0062] As an embodiment, a wiring rack 520 and a wiring trough 521 are provided in the second area 52 . Functional devices are mounted on the wiring rack 520 , and wires of the functional devices and the detection instrument 40 are routed through the wiring trough 521 .

[0063] It can be seen that by arranging the distribution frame 520 and the wiring trough 521 in the second area 52 , the installation of functional components and the wiring of the functional components and the detection instrument 40 are facilitated.

[0064] As an embodiment, the first area 51 is provided with at least two layers of storage spaces 510 in the vertical direction.

[0065] It can be seen that by arranging at least two layers of storage space 510 in the vertical direction of the first area 51, different detection instruments 40 for testing can be arranged separately in layers, which is convenient for testers to perform tests.

[0066] See also Figure 3 and Figure 4 As shown, as an embodiment, the detection mechanism 30 is arranged directly above the carrier 20, and the detection mechanism 30 includes a lifting drive member 31 and a plurality of detection members 32, each detection member 32 corresponds to a battery cell of the battery cell module to be tested, and the driving end of the lifting drive member 31 is connected to the plurality of detection members 32, and the lifting drive member 31 is configured to drive the plurality of detection members 32 to rise and fall synchronously; the lifting drive member 31 drives the plurality of detection members 32 to descend synchronously to a preset position, so that each detection member 32 is electrically connected to the pole of a corresponding battery cell to perform an insulation withstand voltage test on the battery cell module.

[0067] It can be seen that by setting the detection mechanism 30 directly above the carrier 20, the lifting drive member 31 drives several detection members 32 to synchronously descend to the preset position, so that each detection member 32 is electrically connected to the pole of a corresponding battery cell, thereby realizing synchronous detection of all battery cells on the carrier 20 and high testing efficiency.

[0068] Specifically, a wire outlet hole is provided on the lower surface of the box 50. One end of the wire is connected to the corresponding detection element 32, and the other end of the wire passes through the wire outlet hole and is connected to the corresponding position on the distribution frame 520. Optionally, a rubber or plastic sealing ring can be installed in the wire outlet hole to protect the wire without affecting the wiring.

[0069] The battery cell module testing device proposed in the embodiment of the present application has the following advantages:

[0070] 1) The dehumidification device automatically dehumidifies the internal environment of the box to ensure that the detection instruments and functional components installed in the box are always in the preset working environment humidity, thereby preventing the detection instruments and functional components from being affected by the ambient humidity, improving the test accuracy of the battery module test device, and ensuring the accuracy of the test results of the battery module test device;

[0071] 2) Placing the testing instruments and functional components in a closed box greatly reduces the risk of rusting of some parts of the testing instruments and functional components due to excessive humidity;

[0072] 3) The condensed water generated by the dehumidification device during dehumidification is evaporated to the outside of the box through the condensed water evaporator, thereby automatically adjusting the humidity of the internal environment of the box while preventing the discharged condensed water from affecting the machine.

[0073] 4) The testing instruments and functional components should be divided into zones and arranged in a reasonable layout to facilitate the installation, subsequent maintenance and repair of the testing instruments and functional components.

[0074] The above embodiments merely illustrate the basic principles and features of the present application. The present application is not limited by the above examples. Various changes and modifications may be made to the present application without departing from the spirit and scope of the present application. Such changes and modifications are intended to fall within the scope of the present application. The scope of protection claimed in the present application is defined by the appended claims and their equivalents.

Claims

1. A battery module testing device, characterized in that: The battery module testing device includes a frame, a carrier, a detection mechanism, a detection instrument, functional components and a closed box, wherein: The carrier is arranged at a test station, and the carrier is configured to carry a battery cell module to be tested; The detection mechanism is arranged on the frame, and is configured to detect the battery cell module to be tested on the carrier; The detection instrument is electrically connected to the detection mechanism and the functional device respectively. The detection instrument and the functional device are installed in the box. A dehumidification device is provided in the box. The dehumidification device is configured to dehumidify the internal environment of the box to adjust the humidity in the box, thereby ensuring that the detection instrument and the functional device are always in the preset working environment humidity.

2. The battery module testing device according to claim 1, characterized in that: The battery module testing device also includes a condensation water evaporator, which is arranged on the outside of the box. The dehumidification device is connected to the condensation water evaporator through a drain pipe. The condensation water generated by the dehumidification device during dehumidification enters the condensation water evaporator through the drain pipe. The condensation water evaporator is configured to evaporate the condensation water generated by the dehumidification device during dehumidification to the outside of the box.

3. The battery module testing device according to claim 2, characterized in that: The dehumidification device is arranged above the condensed water evaporator, and the condensed water generated by the dehumidification device during dehumidification automatically flows into the condensed water evaporator through the drain pipe by its own weight.

4. The battery module testing device according to claim 2, characterized in that: The dehumidification device is detachably fixed on the inner wall of the box body through a mounting bracket.

5. The battery module testing device according to claim 1, characterized in that: The box is arranged above the rack, or the box is arranged below the rack.

6. The battery module testing device according to claim 1, characterized in that: The box body is provided with a transparent observation window, through which the detection result of the detection instrument can be observed.

7. The battery module testing device according to claim 1, characterized in that: The box body is provided with a first area and a second area which are interconnected. The detection instrument is arranged in the first area, and the functional device is installed in the second area.

8. The battery module testing device according to claim 7, characterized in that: A wiring rack and a wiring trough are provided in the second area. The functional device is installed on the wiring rack. The functional device and the wires of the detection instrument are routed through the wiring trough.

9. The battery module testing device according to claim 7, characterized in that: The first area is provided with at least two layers of storage space in the vertical direction.

10. The battery module testing device according to claim 1, characterized in that: The detection mechanism is arranged directly above the carrier, and includes a lifting drive member and a plurality of detection members, each of the detection members corresponding to a battery cell of the battery cell module to be tested, a driving end of the lifting drive member is connected to the plurality of detection members, and the lifting drive member is configured to drive the plurality of detection members to rise and fall synchronously; The lifting drive member drives the plurality of detection members to synchronously descend to a preset position, so that each of the detection members is electrically connected to a pole of a corresponding battery cell, so as to perform an insulation withstand voltage test on the battery cell module.

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