OCV test probe assembly and battery OCV test device

Abstract

The invention discloses an OCV test probe assembly and a battery OCV test device, and the OCV test probe assembly comprises a mounting plate; the OCV test unit comprises a plurality of test probes, and the test probes are arranged in rows along the length direction of the mounting plate, are respectively arranged on the mounting plate in a sliding manner, and are respectively used for connecting tabs of the batteries; and the screw rod assembly and the plurality of screw rods are rotatably arranged on the mounting plate, the screw rods are in one-to-one correspondence with the test probes and are in threaded connection with the test probes, and the screw rods are used for driving the test probes in threaded connection with the screw rods to slide in the length direction of the mounting plate. According to the invention, the distance between the test probes can be adjusted through the rotation adjustment of the lead screws, so that the OCV test unit can be connected with the tabs of the batteries with different sizes, the position adjustment mode of the test probes is simple and convenient, and the test efficiency can be improved when a large batch of batteries with different sizes are handled.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery production equipment, in particular to an OCV test probe assembly and a battery OCV test device. BACKGROUND

[0002] OCV stands for open circuit voltage, and OCV testing is mainly to measure battery characteristics by pressing the probe connected to the voltage tester and internal resistance tester on the positive and negative tabs of the soft package battery. OCV testing is an important part of battery testing.

[0003] In the traditional OCV test device, in order to make the test device adapt to different sizes of batteries, a bolt is usually used in cooperation with a plurality of screw holes in different positions, and the test probe is installed on the detachable bolt. A plurality of screw holes are provided on the test device. When facing different sizes of batteries, the position of the test probe is changed by detaching the bolt from one screw hole and then installing the bolt in another screw hole, so that it can adapt to different sizes of batteries during testing. Therefore, such traditional OCV test device has lower cost. However, when facing a large number of different size batteries for testing, the bolt needs to be repeatedly detached and installed to change the position of the test probe, which is relatively cumbersome and time-consuming, resulting in low testing efficiency.

[0004] Therefore, the prior art still needs to be improved and improved. SUMMARY

[0005] In view of the above shortcomings of the prior art, the purpose of the present application is to provide an OCV test probe assembly and a battery OCV test device, which aims to solve the problem that the traditional OCV test device of the prior art needs to repeatedly detach and install the bolt to change the position of the test probe when facing a large number of different size batteries for testing, which is relatively cumbersome and time-consuming, resulting in low testing efficiency.

[0006] The technical solution adopted by the present application to solve the technical problems is as follows:

[0007] In a first aspect, the present application provides an OCV test probe assembly, comprising:

[0008] a mounting plate;

[0009] an OCV test unit, the OCV test unit comprising a plurality of test probes, each test probe being arranged in a row along the length direction of the mounting plate and being slidably arranged on the mounting plate, and each test probe being used for connecting the tab of a battery;

[0010] A screw rod assembly includes a plurality of screw rods, each of which is rotatably arranged on the mounting plate and threadedly connected with each of the test probes, and each of which is used to drive the test probe threadedly connected therewith to slide along the length direction of the mounting plate.

[0011] As a further improved technical solution, the OCV test unit includes a first test probe and a second test probe, which are oppositely and slidably arranged on the mounting plate.

[0012] The screw rod assembly includes a first screw rod and a second screw rod; the first screw rod is rotatably arranged on the mounting plate, and the first screw rod penetrates the first test probe and is threadedly connected with the first test probe; the second screw rod is rotatably arranged on the mounting plate, and the second screw rod penetrates the second test probe and is threadedly connected with the first test probe.

[0013] As a further improved technical solution, the OCV test unit further includes a third test probe, which is slidably arranged on the mounting plate, and the third test probe is oppositely arranged with the second test probe and located on the side of the second test probe away from the first test probe.

[0014] The screw rod assembly further includes a third screw rod, which is rotatably arranged on the mounting plate, and the third screw rod penetrates the third test probe and is threadedly connected with the third test probe.

[0015] As a further improved technical solution, the above-mentioned OCV test probe assembly further includes:

[0016] A first connecting rod, a second connecting rod, and a third connecting rod;

[0017] The OCV test unit is provided with a plurality of OCV test units, each of which is slidably arranged on the mounting plate in a row along the length direction of the mounting plate, wherein the first test probe, the second test probe, and the third test probe in the first OCV test unit are threadedly connected with the screw rod assembly.

[0018] The first connecting rod is connected with the first test probe in each of the OCV test units.

[0019] The second connecting rod is connected with the second test probe in each of the OCV test units.

[0020] The third connecting rod is connected with the second test probe in each of the OCV test units.

[0021] As a further improved technical solution, the above-mentioned OCV test probe assembly further includes:

[0022] A support plate is arranged on the mounting plate, one end of the first, second and third lead screws is rotatably connected to one end of the mounting plate, and the other end of the first, second and third lead screws is rotatably connected to the support plate.

[0023] As a further improved technical solution, the mounting plate is provided with a sliding rail arranged along the length direction of the mounting plate, each of the first, second and third test probes is provided with a sliding block, and each of the sliding blocks is clamped on the sliding rail and is in sliding connection with the sliding rail.

[0024] In a second aspect, an embodiment of the present application provides a battery OCV testing device, which comprises the OCV testing probe assembly as described in any one of the above embodiments, and further comprises:

[0025] A support frame is in sliding connection with one side of the mounting plate;

[0026] A material table is arranged on the support frame in sliding manner, the sliding direction of the material table is consistent with the sliding direction of the mounting plate, one side of the material table is arranged opposite to the OCV testing unit, and the material table is used for abutting against two sides of the battery respectively with the OCV testing unit.

[0027] As a further improved technical solution, the battery OCV testing device further comprises:

[0028] A pneumatic cylinder is arranged on the support frame;

[0029] A connecting plate is connected to one end of the mounting plate, one end of the support frame is provided with a through hole, the other end of the connecting plate penetrates through the through hole and is connected to the pneumatic cylinder, the connecting plate is movably arranged in the through hole, and the pneumatic cylinder is used for driving the connecting plate to move.

[0030] As a further improved technical solution, the battery OCV testing device further comprises:

[0031] A limiting rod is arranged on the support frame and points to one side of the connecting plate, when the mounting plate slides to abut against the OCV testing unit and the tab on one side of the battery, the connecting plate abuts against one end of the limiting rod.

[0032] As a further improved technical solution, the battery OCV testing device further comprises:

[0033] A lead screw mechanism is arranged on the support frame, the material table is connected to the lead screw mechanism and is driven by the lead screw mechanism.

[0034] Compared with the prior art, the embodiment of the present application has the following advantages:

[0035] The embodiment of the present application provides an OCV test probe assembly, which comprises a mounting plate, an OCV test unit, the OCV test unit comprising a plurality of test probes, each of the test probes being arranged in a row along the length direction of the mounting plate and being slidably arranged on the mounting plate respectively, and each of the test probes being used for connecting the tab of a battery, a screw rod assembly, the screw rod assembly comprising a plurality of screw rods, each of the screw rods being rotatably arranged on the mounting plate, and each of the screw rods corresponding to each of the test probes one by one and being threadedly connected with each of the test probes, and each of the screw rods being used for driving the test probe threadedly connected with the screw rod to slide along the length direction of the mounting plate. In the present application, each of the test probes in the OCV test unit can be driven to slide on the mounting plate through the screw rod threadedly connected with the test probe, and the spacing between each of the test probes can be adjusted through the rotation adjustment of each of the screw rods, so that the OCV test unit can connect the tabs of batteries of different sizes. In the present application, the position adjustment mode of each of the test probes is simple and convenient, compared with the conventional OCV test device adopting the detachable bolt to connect the test probes, when a large number of batteries of different sizes are dealt with, the present application does not need to repeatedly detach the bolt to adjust the spacing between each of the test probes, but can directly rotate the screw rod to adjust the spacing between each of the test probes. Compared with the prior art, the adjustment mode of the present application is more rapid, which is beneficial to improving the test efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 A perspective structural schematic view of a first embodiment of an OCV test probe assembly provided by the present application is shown in the figure;

[0037] Figure 2 An assembly structure schematic view of a screw rod mechanism and an OCV test unit in the present application is shown in the figure;

[0038] Figure 3 A perspective structural schematic view of a second embodiment of an OCV test probe assembly provided by the present application is shown in the figure;

[0039] Figure 4 A first perspective structural schematic view of a battery OCV test device provided by the present application is shown in the figure;

[0040] Figure 5 A second perspective structural schematic view of a battery OCV test device provided by the present application is shown in the figure;

[0041] Figure 6 An assembly structure schematic view of a connecting plate, a limiting rod, a hydraulic buffer rod and a support in the present application is shown in the figure;

[0042] Figure 7 An assembly structure schematic view of a battery OCV test device and a battery provided by the present application is shown in the figure.

[0043] In the figure: 1, mounting plate; 2, OCV test unit; 201, first test probe; 202, second test probe; 203, third test probe; 3, screw rod assembly; 301, first screw rod; 302, second screw rod; 303, third screw rod; 4, first connecting rod; 5, second connecting rod; 6, third connecting rod; 7, support plate; 8, sliding rail; 9, sliding block; 10, temperature detector; 11, bracket; 1101, through hole; 12, material table; 13, air cylinder; 14, connecting plate; 15, limiting rod; 16, hydraulic buffer rod; 17, screw rod mechanism; 18, battery. DETAILED DESCRIPTION

[0044] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, for the purpose of explanation, and are not to be understood as a limitation of the present application.

[0045] In the conventional OCV test device, in order to adapt the test device to different sizes of batteries, a bolt is usually used in cooperation with a plurality of screw holes at different positions, the test probe is installed on the detachable bolt, a plurality of screw holes are provided on the test device, and when facing different sizes of batteries, the position of the test probe is changed by detaching the bolt from one screw hole and then installing the bolt into another screw hole, so that it can adapt to different sizes of batteries during testing. Therefore, such conventional OCV test device has a lower cost. However, when facing a large number of different size batteries for testing, the bolt needs to be repeatedly detached and installed to change the position of the test probe, which is relatively cumbersome and time-consuming, resulting in low testing efficiency. Therefore, the following embodiments of the present application are improved to solve the above technical problems.

[0046] Embodiment one:

[0047] Please refer to Figures 1-3 . Wherein, the OCV test probe assembly comprises: a mounting plate 1; an OCV test unit, the OCV test unit comprises a plurality of test probes, each test probe is arranged in a row along the length direction of the mounting plate 1 and is respectively slidably arranged on the mounting plate 1, and is respectively used for connecting the tab of the battery 18; a screw rod assembly 3, the screw rod assembly 3 comprises a plurality of screw rods, each screw rod is rotatably arranged on the mounting plate 1, and each screw rod is respectively corresponding to each test probe and is threadedly connected, and each screw rod is respectively used for driving the test probe threadedly connected therewith to slide along the length direction of the mounting plate 1.

[0048] As Figure 1As shown, in one embodiment provided by the present invention, the OCV test probe assembly includes: a mounting plate 1, an OCV test unit 2 and a screw assembly 3; wherein, the OCV test unit 2 is slidably set on the mounting plate 1, and the screw assembly 3 is rotatably set on the mounting plate 1 and is used to drive the OCV test unit 2 to slide on the mounting plate 1. Specifically, the mounting plate 1 is L-shaped, and the screw assembly 3 is arranged on the shorter side of the mounting plate 1. The screw assembly 3 includes a plurality of screws, each of which is respectively passed through and rotatably arranged on the shorter side of the mounting plate 1, that is, the screw can rotate relative to the mounting plate 1, and each screw is parallel to the longer side of the mounting plate 1; the OCV test unit 2 includes a plurality of test probes, and the number of test probes is consistent with the number of screws. Each test probe is slidably arranged on the longer side of the mounting plate 1, and each test probe is arranged in a row along the length direction of the longer side of the mounting plate 1, and each test probe corresponds to each screw one by one and is threadedly connected, that is, each test probe is provided with a screw hole, which cooperates with the screw through the screw hole. After the screw rotates, the test probe can be driven to slide along the length direction of the longer side of the mounting plate 1, and each screw can drive the test probe threadedly connected to it to slide, thereby achieving that the position of each test probe can be adjusted individually. In the present invention, each test probe in the OCV test unit 2 can be driven to slide on the mounting plate 1 by a screw threadedly connected thereto. By rotating and adjusting each screw, the spacing between each test probe can be adjusted, so that the OCV test unit can be connected to the tabs of batteries 18 of different sizes. Each time the spacing between each test probe is adjusted, only one screw can be rotated at a time or multiple screws can be rotated at a time to adjust the spacing between each test probe, depending on the situation. The "once" mentioned here refers to each time the spacing between the test probes is readjusted for different battery cell sizes. The position adjustment method of each test probe in the present invention is simple and convenient, which is conducive to improving test efficiency when dealing with large quantities of batteries 18 of different sizes.

[0049] like Figure 2 As shown, as a further solution, the OCV test unit 2 includes a first test probe 201 and a second test probe 202, and the first test probe 201 and the second test probe 202 are respectively arranged relative to and slidingly on the mounting plate 1; the screw assembly 3 includes a first screw 301 and a second screw 302; the first screw 301 is rotatably arranged on the mounting plate 1, the first screw 301 passes through the first test probe 201 and is threadedly connected to the first test probe 201; the second screw 302 is rotatably arranged on the mounting plate 1, the second screw 302 passes through the second test probe 202 and is threadedly connected to the first test probe 201.

[0050] Specifically, one side of the first test probe 201 is aligned with one side of the second test probe 202, and the bottom end of the first test probe 201 and the bottom end of the second test probe 202 are respectively used to connect two tabs of the same battery 18. The OCV test unit in the embodiment is suitable for testing the battery 18 with two tabs. The first screw rod 301 is arranged on the mounting plate 1 and can rotate. After the first screw rod 301 is rotated, the first test probe 201 can be driven to slide on the mounting plate 1 to adjust the distance between the first test probe 201 and the second test probe 202. The second screw rod 302 is arranged on the mounting plate 1 and can rotate. After the second screw rod 302 is rotated, the second test probe 202 can be driven to slide on the mounting plate 1 to adjust the distance between the first test probe 201 and the second test probe 202. The first screw rod 301 and the second screw rod 302 can rotate simultaneously, for example, rotate clockwise simultaneously, rotate counterclockwise simultaneously, or one rotates clockwise and the other rotates counterclockwise.

[0051] As a further solution, the OCV test unit 2 further comprises a third test probe 203, which is slidingly arranged on the mounting plate 1. The third test probe 203 is arranged opposite to the second test probe 202 and located on the side of the second test probe 202 away from the first test probe 201. The screw rod assembly 3 further comprises a third screw rod 303, which is rotatably arranged on the mounting plate 1. The third screw rod 303 penetrates the third test probe 203 and is threadedly connected with the third test probe 203.

[0052] Specifically, as shown in FIG. 4, the third test probe 203 is arranged on the side of the second test probe 202 away from the first test probe 201. The third test probe 203 is arranged on the mounting plate 1 and can slide on the mounting plate 1. The third test probe 203 is arranged opposite to the second test probe 202. The third test probe 203 is arranged on the mounting plate 1 and can slide on the mounting plate 1. The third test probe 203 is arranged opposite to the second test probe 202. Figure 2As shown in the figure, the first test probe 201, the second test probe 202 and the third test probe 203 are sequentially arranged from left to right on the mounting plate 1, and the OCV test unit in the embodiment is suitable for testing a battery 18 with three tabs. The third screw rod 303 is arranged on the mounting plate 1 and can rotate, and the third test probe 203 can be driven to slide on the mounting plate 1 by rotating the third screw rod 303, so as to adjust the distance between the first test probe 201 or the second test probe 202. In the embodiment, the first screw rod 301, the second screw rod 302 and the third screw rod 303 all penetrate the first test probe 201, the second test probe 202 and the third test probe 203, but the first screw rod 301 is only threadedly connected with the first test probe 201, the second test probe 202 and the third test probe 203 can slide relative to the first screw rod 301, the second screw rod 302 is only threadedly connected with the second test probe 202, the first test probe 201 and the third test probe 203 can slide relative to the second screw rod 302, and the third screw rod 303 is only threadedly connected with the third test probe 203, the first test probe 201 and the second test probe 202 can slide relative to the third screw rod 303, so as to reduce the space occupied by the OCV test unit 2 and the screw rod assembly 3 after assembly, and the first screw rod 301, the second screw rod 302 and the third screw rod 303 can rotate at the same time and can rotate forward or reverse.

[0053] In an embodiment of the application, the OCV test probe assembly further comprises a first connecting rod 4, a second connecting rod 5 and a third connecting rod 6; the OCV test unit 2 is provided in plurality, and each OCV test unit 2 is arranged in a row along the length direction of the mounting plate 1 and is slidably arranged on the mounting plate 1, wherein the first test probe 201, the second test probe 202 and the third test probe 203 in the first OCV test unit 2 are respectively threadedly connected with the screw rod assembly 3; the first connecting rod 4 is connected with the first test probe 201 in each OCV test unit 2; the second connecting rod 5 is connected with the second test probe 202 in each OCV test unit 2; and the third connecting rod 6 is connected with the second test probe 202 in each OCV test unit 2.

[0054] Specifically, the OCV test unit 2 in the embodiment is provided with four, and four batteries 18 can be tested at the same time. When the first screw rod 301 is rotated, the first screw rod 301 drives the first test probe 201 in the first OCV test unit 2 to slide on the mounting plate 1. When the first test probe 201 slides, all the first test probes 201 are synchronously driven to slide by the first connecting rod 4. When the second screw rod 302 is rotated, the second screw rod 302 drives the second test probe 202 in the first OCV test unit 2 to slide on the mounting plate 1. When the second test probe 202 slides, all the second test probes 202 are synchronously driven to slide by the second connecting rod 5. When the third screw rod 303 is rotated, the third screw rod 303 drives the third test probe 203 in the first OCV test unit 2 to slide on the mounting plate 1. When the third test probe 203 slides, all the third test probes 203 are synchronously driven to slide by the third connecting rod 6.

[0055] Further, the OCV test probe assembly further comprises a support plate 7, the support plate 7 is arranged on the mounting plate 1, one end of the first screw rod 301, the second screw rod 302 and the third screw rod 303 is rotatably connected with one end of the mounting plate 1, the other end of the first screw rod 301, the second screw rod 302 and the third screw rod 303 is rotatably connected with the support plate 7, and the support plate 7 supports the first screw rod 301, the second screw rod 302 and the third screw rod 303.

[0056] Further, the mounting plate 1 is provided with a sliding rail 8 arranged along the length direction of the mounting plate 1, and each of the first test probe 201, the second test probe 202 and the second test probe 202 is provided with a sliding block 9, and each of the sliding blocks 9 is clamped on the sliding rail 8 and is in sliding connection with the sliding rail 8.

[0057] As shown in FIG. 1, Figure 3 In an embodiment of the present application, the OCV test probe assembly further comprises a temperature detector 10, and each of the OCV test units 2 is provided with one temperature detector 10, each of the temperature detectors 10 is arranged on the second connecting plate 14 and corresponds to each of the second test probes 202, and is used for detecting the temperature of the battery 18. When the temperature of the battery 18 is abnormal, it is possible that the quality of the battery 18 is problematic, and the battery 18 needs to be inspected.

[0058] Embodiment two:

[0059] As shown in FIG. 1, Figures 4-7As shown, the battery OCV testing device further comprises a bracket 11 and a material table 12, one side of the mounting plate 1 is in sliding connection with the bracket 11; the material table 12 is slidingly arranged on the bracket 11, the sliding direction of the material table 12 is consistent with the sliding direction of the mounting plate 1, and one side of the material table 12 is arranged opposite to the OCV testing unit 2 for abutting against two sides of the battery 18 respectively.

[0060] Specifically, when the test probe in the OCV testing unit 2 contacts the tab of the battery 18, the material table 12 and the mounting plate 1 stop sliding, and when the battery 18 needs to be replaced after testing, the material table 12 and the mounting plate 1 slide away from each other to create space for replacing the battery 18.

[0061] As shown, Figure 5 Further, the battery OCV testing device further comprises a cylinder 13 and a connecting plate 14, the cylinder 13 is arranged on the bracket 11; one end of the connecting plate 14 is connected with the mounting plate 1, one end of the bracket 11 is provided with a through hole 1101, the other end of the connecting plate 14 penetrates through the through hole 1101 and is connected with the cylinder 13, and the connecting plate 14 is movably arranged in the through hole 1101, and the cylinder 13 is used to drive the connecting plate 14 to move.

[0062] Specifically, the cylinder 13 is used to drive the mounting plate 1 to move through the connecting plate 14, and the through hole 1101 is used to limit the displacement of the connecting plate 14, so that the displacement of the mounting plate 1 is limited to avoid damaging the battery 18 or causing damage to the test probe.

[0063] As shown, Figure 6 Further, the battery OCV testing device further comprises a limiting rod 15, the limiting rod 15 is arranged on the bracket 11 and one end thereof points to one side of the connecting plate 14, when the mounting plate 1 slides to abut against the tab on one side of the battery 18 by the OCV testing unit 2, the connecting plate 14 abuts against one end of the limiting rod 15. Meanwhile, the bracket 11 is further provided with a hydraulic buffer rod 16, one end of the hydraulic buffer rod 16 points to one side of the connecting plate 14, when the connecting plate 14 drives the mounting plate 1 to approach the material table 12, the connecting plate 14 will be subjected to the resistance applied by the hydraulic buffer rod 16, so that the test probe can slowly approach the battery 18, avoiding damage to the test probe or the battery 18.

[0064] In the embodiment, the battery OCV testing device further comprises a screw rod mechanism 17 arranged on the support 11, the material table 12 is connected with the screw rod mechanism 17 and is driven by the screw rod mechanism 17, and the screw rod mechanism 17 is an existing device, and the screw rod mechanism 17 comprises a sliding block which can slide, and the material table 12 is fixedly connected with the sliding block in the screw rod mechanism 17.

[0065] In conclusion, the embodiment of the present application provides an OCV testing probe assembly, which comprises: a mounting plate 1; an OCV testing unit 2 comprising a plurality of testing probes, each of which is arranged in a row along the length direction of the mounting plate 1 and is slidably arranged on the mounting plate 1 and is used for connecting the tab of a battery 18; and a screw rod assembly 3 comprising a plurality of screw rods, each of which is rotatably arranged on the mounting plate 1 and is in one-to-one correspondence with each of the testing probes and is threadedly connected with each of the testing probes, and each of the screw rods is used for driving the testing probe threadedly connected with the screw rod to slide along the length direction of the mounting plate 1. In the present application, each of the testing probes in the OCV testing unit 2 can be driven to slide on the mounting plate 1 by the screw rod threadedly connected with the testing probe, and the spacing between each of the testing probes can be adjusted by the rotation of each of the screw rods, so that the OCV testing unit 2 can connect the tabs of batteries 18 of different sizes, and the position adjustment mode of each of the testing probes is simple and convenient, and the test efficiency can be improved when a large number of batteries 18 of different sizes are dealt with.

[0066] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0067] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0068] In the present application, unless specifically defined otherwise, the terms "mounting", "connected", "connecting", "fixed", and "fixedly" should be construed as broad terms, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through intermediate medium, can be internal communication of two elements or interaction relationship of two elements, unless specifically defined otherwise. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0069] In the present application, unless specifically defined otherwise, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0070] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only implementation.

[0071] Of course, the above description of the embodiments of the present application is more detailed, but it cannot be understood as a limitation on the protection scope of the present application. The present application can have other various embodiments, and based on the present embodiments, other embodiments obtained by those skilled in the art without any creative labor are within the scope of protection of the present application. The protection scope of the present application is subject to the appended claims.

Claims

1. An OCV test probe assembly, characterized in that: include: Mounting plate; An OCV test unit, the OCV test unit comprising a plurality of test probes, each of which is arranged in a row along the length direction of the mounting plate and is slidably disposed on the mounting plate and is respectively used to connect to a tab of the battery; The screw assembly includes a plurality of screws, each of which is rotatably arranged on the mounting plate, and each of the screws corresponds to each of the test probes and is threadedly connected thereto, and each of the screws is used to drive the test probe threaded thereto to slide along the length direction of the mounting plate.

2. The OCV test probe assembly according to claim 1, wherein: The OCV test unit includes a first test probe and a second test probe, wherein the first test probe and the second test probe are respectively arranged on the mounting plate in a relative and slidable manner; The screw assembly includes a first screw and a second screw; the first screw is rotatably arranged on the mounting plate, the first screw passes through the first test probe and is threadedly connected to the first test probe; the second screw is rotatably arranged on the mounting plate, the second screw passes through the second test probe and is threadedly connected to the first test probe.

3. The OCV test probe assembly according to claim 2, characterized in that: The OCV test unit further includes a third test probe, the third test probe being slidably disposed on the mounting plate, the third test probe being disposed opposite to the second test probe and being located on a side of the second test probe facing away from the first test probe; The screw assembly further includes a third screw, which is rotatably mounted on the mounting plate. The third screw passes through the third test probe and is threadedly connected to the third test probe.

4. The OCV test probe assembly according to claim 3, characterized in that: Also includes: a first connecting rod, a second connecting rod, and a third connecting rod; The OCV test units are provided in plurality, and the OCV test units are arranged in a row along the length direction of the mounting plate and are slidably mounted on the mounting plate, wherein the first test probe, the second test probe, and the third test probe in the first OCV test unit are respectively threadedly connected to the screw assembly; The first connecting rod is connected to the first test probe in each of the OCV test units; The second connecting rod is connected to the second test probe in each of the OCV test units; The third connecting rod is connected to the second test probe in each of the OCV test units.

5. The OCV test probe assembly according to claim 4, characterized in that: Also includes: The support plate is arranged on the mounting plate, one end of the first screw rod, the second screw rod and the third screw rod are respectively rotatably connected to one end of the mounting plate, and the other ends of the first screw rod, the second screw rod and the third screw rod are respectively rotatably connected to the support plate.

6. The OCV test probe assembly according to claim 4, characterized in that: The mounting plate is provided with a slide rail arranged along the length direction of the mounting plate, and each of the first test probe, the second test probe and the second test probe is provided with a slider, and each slider is clamped on the slide rail and slidably connected to the slide rail.

7. A battery OCV testing device, comprising the OCV testing probe assembly according to any one of claims 1 to 6, characterized in that: Also includes: a bracket, one side of the mounting plate being slidably connected to the bracket; A material table is slidably arranged on the bracket, the sliding direction of the material table is consistent with the sliding direction of the mounting plate, and one side of the material table is arranged opposite to the OCV test unit, and is used to respectively support the two sides of the battery with the OCV test unit.

8. The battery OCV testing device according to claim 7, characterized in that: Also includes: a cylinder, wherein the cylinder is arranged on the bracket; A connecting plate, one end of which is connected to the mounting plate, one end of the bracket is provided with a through hole, the other end of the connecting plate passes through the through hole and is connected to the cylinder, and the connecting plate is movably arranged in the through hole, and the cylinder is used to drive the connecting plate to move.

9. The battery OCV testing device according to claim 8, characterized in that: Also includes: A limiting rod is provided on the bracket and one end of the limiting rod points to one side of the connecting plate. When the mounting plate slides to the point where the OCV test unit abuts against the tab on one side of the battery, the connecting plate abuts against one end of the limiting rod.

10. The battery OCV testing device according to claim 7, characterized in that: Also includes: A screw mechanism is provided on the bracket, and the material platform is connected to the screw mechanism and driven by the screw mechanism.

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