A double-row blade battery OCV / ACIR test device

Abstract

A double-row blade battery OCV / ACIR test device includes: a three-axis mechanical module assembly, including an X-axis assembly, a Y-axis assembly, a Z-axis assembly and a module support assembly; the X-axis assembly is horizontally mounted on the top of the module support assembly; the Y-axis assembly is slidably mounted horizontally on the X-axis assembly; two sets of Z-axis assemblies are vertically and slidably mounted on the Y-axis assembly; a probe test assembly, a total of two sets, are respectively installed on the Z-axis lifting parts of the two sets of Z-axis assemblies, including a module fixing frame, a clamping claw assembly, a contact probe assembly and an in-place detection assembly, the top of the module fixing frame is connected to the Z-axis lifting part of the Z-axis assembly; the clamping claw assembly is suspended at the bottom of the module fixing frame; the contact probe assembly is arranged at the clamping part of the clamping claw assembly; the in-place detection assembly is arranged on the module fixing frame; and a battery cell tray is arranged below the three-axis mechanical module assembly. The beneficial effects of the present invention are: simple structure, small space occupation, and effective solution to the problem of double-row blade battery testing.

Description

Technical Field

[0001] The invention relates to an OCV / ACIR testing device for double-row blade batteries, belonging to the technical field of OCV / ACR testing of lithium batteries. Background Art

[0002] In view of the continuous expansion of the lithium battery new energy market, the battery models and specifications are also diversified. At present, due to the limitations of site layout and production capacity of various manufacturers, some blade batteries need to be arranged in double rows before OCV / ACIR testing, so as to meet the customer's expected goals and production line capacity. In view of this situation, professional technicians of equipment manufacturers are needed to provide solutions and implement them effectively.

[0003] As we all know, under normal circumstances, the OCV / ACIR tester can automatically complete the test of the open circuit voltage, AC internal resistance, shell cover insulation resistance (voltage between the positive electrode and the shell) of the single battery in the battery tray and the measurement of the ambient temperature according to the process requirements, and can automatically remove the NG batteries during testing. It can be connected to the previous and next process equipment, using the tray as a battery carrier, and automatically uploading the production data information, equipment information, etc. to the production management and control system, which automatically completes the storage and binding of the production data information and equipment information.

[0004] The OCV equipment is a non-standard equipment. In order to meet the testing requirements of double-row blade batteries and site limitations, it is necessary to design an operation mode that can meet the functional testing requirements and achieve production line efficiency within the existing space occupancy. Summary of the invention

[0005] In order to solve the problem of blade battery OCV / ACIR testing, the present invention proposes a double-row blade battery OCV / ACIR testing device, which has the advantages of simple structure and high detection accuracy. In addition, it can be directly and quickly connected to the existing production line to improve the working efficiency of the production line.

[0006] The double-row blade battery OCV / ACIR test device of the present invention is characterized by comprising:

[0007] A three-axis mechanical module assembly, comprising an X-axis assembly, a Y-axis assembly, a Z-axis assembly and a module support assembly; the axial directions of the X-axis assembly, the axis assembly and the Z-axis assembly are respectively defined as the X-axis direction, the Y-axis direction and the Z-axis direction; the X-axis assembly is horizontally mounted on the top of the module support assembly; the Y-axis assembly is slidably mounted horizontally on the X-axis assembly, and the Y-axis assembly is kept always perpendicular to the X-axis assembly; there are two sets of Z-axis assemblies, both of which are vertically slidably mounted on the Y-axis assembly for installing a probe test assembly;

[0008] There are two sets of probe test assemblies, which are respectively installed on the Z-axis lifting parts of the two sets of Z-axis assemblies, including a module fixing frame, a clamping jaw assembly, a contact probe assembly and an in-place detection assembly. The top of the module fixing frame is connected to the Z-axis lifting part of the Z-axis assembly; the clamping jaw assembly is suspended at the bottom of the module fixing frame, and is used to clamp the battery cell in the battery cell tray; the contact probe assembly is arranged at the clamping part of the clamping jaw assembly, and is used to contact and connect with the pole ear of the battery cell; the in-place detection assembly is arranged on the module fixing frame, and is used to detect whether the clamping jaw assembly is in place;

[0009] And a battery cell tray is arranged below the three-axis mechanical module assembly, and a battery cell placement cavity for loading battery cells is provided on the surface of the battery cell tray.

[0010] Furthermore, the X-axis assembly includes an X-axis module, an X-axis module tank chain, an X-axis module fixed plate, an X-axis slider fixed plate, an X-axis slide rail and an X-axis slide rail tank chain. The X-axis module and the X-axis slide rail are horizontally arranged side by side on the top of the module support assembly, and the X-axis module tank chain is laid side by side along the X-axis direction on the outside of the X-axis module, one end of the X-axis module tank chain is connected to the X-axis sliding part, and the X-axis slide rail tank chain is laid side by side along the X-axis direction on the outside of the X-axis slide rail, and one end of the X-axis slide rail tank chain is connected to the X-axis module fixed plate; the X-axis module fixed plate is arranged at one end of the X-axis module and connected to the X-axis sliding part of the X-axis module; the X-axis slider fixed plate can be slidably installed on one end of the X-axis slide rail.

[0011] Furthermore, the Y-axis assembly includes a Y-axis module tank chain, a Y-axis module fixed plate, a Y-axis module, a Y-axis module fixed plate reinforcement rib and a Y-axis drag chain plate fixed plate, the two ends of the Y-axis module fixed plate are respectively arranged on the X-axis module fixed plate and the X-axis slider fixed plate, and a Y-axis module is horizontally laid on the opposite front and rear end surfaces of the Y-axis module fixed plate along the Y-axis direction; the Y-axis drag chain fixed plate is horizontally laid on the Y-axis module fixed plate along the Y-axis direction; there are two Y-axis module tank chains, both of which are horizontally laid in the chain groove of the Y-axis drag chain fixed plate, and the pulling end of the Y-axis module tank chain is connected to the corresponding Z-axis assembly; there are four groups of Y-axis module fixed plate reinforcement ribs, two of which are arranged on the Y-axis module fixed plate and the X-axis slider fixed plate, and the other two groups are arranged on the Y-axis module fixed plate and the X-axis module fixed plate.

[0012] Furthermore, there are two sets of Z-axis assemblies, which are respectively installed on the Y-axis module, including a Z-axis module, a Z-axis module tank chain, a Z-axis module fixed plate and a Z-axis tank chain fixed plate. The Z-axis module fixed plate is suspended on the Y-axis module and connected to the Y-axis sliding part of the Y-axis module to drive the Z-axis module to move along the Y-axis direction; the Z-axis module is paved on the Z-axis module fixed plate along the Z-axis direction; the Z-axis module tank chain is vertically paved on the Z-axis tank chain fixed plate and connected to the Z-axis lifting part of the Z-axis module.

[0013] Furthermore, the module fixing frame includes a first module fixing plate, a second module fixing plate, a third module fixing plate, a resin gasket, a guide shaft, and a rectangular spring, wherein the third module fixing plate is a rectangular plate; there are two groups of the first module fixing plates, which are arranged at two opposite narrow ends of the third module fixing plate; the second module fixing plate is arranged at one of the wide ends of the third module fixing plate; the third module fixing plate is arranged at the top of the rectangular spring; the guide shaft is passed through the rectangular spring, and the resin gasket is installed after the top of the guide shaft passes through the third module fixing plate, and the bottom of the guide shaft is connected to the top of the clamping jaw assembly.

[0014] Furthermore, the in-place detection component includes a sensor fixing part and a sensor detection ring, and the sensor fixing part is arranged in the middle position of the third module fixing plate; the sensor detection ring has two groups, which are respectively arranged on the corresponding resin gaskets to detect whether the clamping jaw assembly is in place.

[0015] Furthermore, the clamping jaw assembly includes an air clamping jaw fixing plate, an air clamping jaw, a clamping jaw plate, a limit block and a battery cell anti-collision plate, wherein the air clamping jaw fixing plate is fixedly connected to the lower end of the guide shaft; the top of the air clamping jaw is connected to the bottom end of the guide shaft; a clamping jaw plate is installed at each of the two clamping ends of the air clamping jaw; the limit block is arranged on the inner side surface of the clamping jaw plate to prevent the inner ends of the two clamping jaw plates from colliding with each other; the battery cell anti-collision plate is installed on the bottom surface of the clamping jaw plate to prevent the battery cell from directly colliding with the clamping jaw plate.

[0016] Furthermore, one set of contact probe assemblies is installed at the outer ends of the two sets of the clamping plates respectively, and each set of the contact probe assemblies includes a probe fixing plate and a probe, and the probe fixing plate is installed on the side of the outer end of the clamping plate to keep the two sets of the probe fixing plates facing each other; the probe is installed on the probe fixing plate to keep the contact ends of the probe facing each other and facing the battery cell for contacting and connecting with the battery cell pole ears, and the test port of the probe is electrically connected to the external test equipment for performing OCV / ACIR testing on the battery cell.

[0017] The test action description is as follows:

[0018] 1) After the battery tray is fully loaded with batteries, it flows into the OCV / ACIR test device, and then the battery tray is positioned. The three-axis mechanical module assembly moves, driving the air claw to move to the set position, and the air claw closes and clamps the battery in the battery tray. At this time, the probe contacts and connects with the tab of the battery, and the test begins;

[0019] 2) After the test is completed, the air gripper is released, and the Z-axis module drives the air gripper to rise and move to the next test station until all the battery cells in the battery tray are tested. The three-axis mechanical module assembly returns to the origin, and the battery tray flows into the next process.

[0020] The beneficial effects of the present invention are: simple structure, small space occupation, and the ability to effectively solve the testing problem of double-row placement of blade batteries; and the ability to greatly meet production line efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of the double-row blade battery OCV / ACIR testing device of the present invention;

[0022] Figure 2 It is a structural diagram of the three-axis mechanical module assembly of the present invention;

[0023] Figure 3 It is a structural diagram of the probe test component of the present invention. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings.

[0025] Refer to the attached figure:

[0026] Embodiment 1 A double-row blade battery OCV / ACIR testing device according to the present invention comprises:

[0027] A three-axis mechanical module assembly 1 is a module for driving a probe test assembly 2 to perform X-axis, Y-axis and Z-axis movements, comprising an X-axis assembly 11, a Y-axis assembly 12, a Z-axis assembly 13 and a module support assembly 14; the axial directions of the X-axis assembly 11, the axis assembly 12 and the Z-axis assembly 13 are respectively defined as the X-axis direction, the Y-axis direction and the Z-axis direction; the X-axis assembly 11 is horizontally mounted on the top of the module support assembly 14; the Y-axis assembly 12 is slidably mounted horizontally on the X-axis assembly 11, and the Y-axis assembly 12 is kept perpendicular to the X-axis assembly 11; there are two sets of Z-axis assemblies 13, both of which are vertically slidably mounted on the Y-axis assembly 12; when the X-axis assembly 11, the Y-axis assembly 12 and the Z-axis assembly 13 move, they can drive the probe test assembly 2 to perform X-axis, Y-axis and Z-axis movements;

[0028] The probe test assembly 2, two sets in total, is respectively installed on the Z-axis lifting part of the two sets of the Z-axis assemblies 13, including a module fixing frame 21, a clamping jaw assembly 22, a contact probe assembly 23 and an in-place detection assembly. The top of the module fixing frame 21 is connected to the Z-axis lifting part of the Z-axis assembly 13; the clamping jaw assembly 22 is installed at the bottom of the module fixing frame 21, and is used to clamp the battery cell in the battery cell tray; the contact probe assembly 23 is arranged at the clamping part of the clamping jaw assembly 22, and is used to contact and connect with the pole ear of the battery cell; the in-place detection assembly is arranged on the module fixing frame 21, and is used to detect whether the clamping jaw assembly is in place;

[0029] And a cell tray 3 is arranged below the three-axis mechanical module assembly 1, and a cell placement cavity for loading cells is provided on the surface of the cell tray.

[0030] The X-axis assembly 11 includes an X-axis module 111, an X-axis module tank chain 112, an X-axis module fixing plate 113, an X-axis slider fixing plate 114, an X-axis slide rail 115 and an X-axis slide rail tank chain 116. The X-axis module 111 and the X-axis slide rail 115 are horizontally arranged side by side on the top of the module support assembly 14, and the X-axis module tank chain 112 is laid side by side along the X-axis direction on the outside of the X-axis module 111. One end is connected to the X-axis sliding part, and the X-axis slide rail tank chain 116 is laid side by side along the X-axis direction on the outside of the X-axis slide rail 115, and one end of the X-axis slide rail tank chain 116 is connected to the X-axis module fixing plate 113; the X-axis module fixing plate 113 is arranged at one end of the X-axis module 111 and is connected to the X-axis sliding part of the X-axis module 111; the X-axis slider fixing plate 114 can be slidably installed on one end of the X-axis slide rail 115.

[0031] The Y-axis assembly 12 includes a Y-axis module tank chain 121, a Y-axis module fixing plate 122, a Y-axis module 123, a Y-axis module fixing plate reinforcement rib 124 and a Y-axis drag chain plate fixing plate 125. The two ends of the Y-axis module fixing plate 122 are respectively arranged on the X-axis module fixing plate 113 and the X-axis slider fixing plate 114, and a Y-axis module 123 is horizontally paved on the two opposite vertical end surfaces of the Y-axis module fixing plate 122 along the Y-axis direction; the Y-axis drag chain fixing plate 125 is horizontally paved along the Y-axis direction. It is flatly laid on the Y-axis module fixing plate 122; there are two Y-axis module tank chains 121, both of which are horizontally laid in the chain groove of the Y-axis drag chain fixing plate 125, and the pulling end of the Y-axis module tank chain 121 is connected to the corresponding Z-axis component 13; there are four groups of Y-axis module fixing plate reinforcement ribs 124, two of which are arranged on the Y-axis module fixing plate 122 and the X-axis slider fixing plate 114, and the other two groups are arranged on the Y-axis module fixing plate 122 and the X-axis module fixing plate 113.

[0032] There are two sets of Z-axis assemblies 13, which are respectively installed on the Y-axis module 123, including a Z-axis module 131, a Z-axis module tank chain 132, a Z-axis module fixing plate 133 and a Z-axis tank chain fixing plate 134. The Z-axis module fixing plate 133 is suspended on the Y-axis module 123 and connected to the Y-axis sliding part of the Y-axis module 123, so as to drive the Z-axis module 131 to move along the Y-axis direction; the Z-axis module 131 is paved on the Z-axis module fixing plate 133 along the Z-axis direction; the Z-axis module tank chain 132 is vertically paved on the Z-axis tank chain fixing plate 134 and connected to the Z-axis lifting part of the Z-axis module 131.

[0033] The module fixing frame 21 includes a first module fixing plate 211, a second module fixing plate 212, a third module fixing plate 213, a resin gasket 214, a guide shaft 215, and a rectangular spring 216. The third module fixing plate 213 is a rectangular plate; there are two groups of the first module fixing plates 211, which are arranged at the two opposite narrow ends of the third module fixing plate 213; the second module fixing plate 212 is arranged at one of the wide ends of the third module fixing plate 213; the third module fixing plate 213 is arranged at the top of the rectangular spring 216; the guide shaft 215 is penetrated in the rectangular spring 216, and the top of the guide shaft 215 passes through the third module fixing plate 213 and then the resin gasket 214 is installed, and the bottom of the guide shaft 215 is connected to the top of the clamping jaw assembly 22.

[0034] The in-place detection component includes a sensor fixing part 241 and a sensor detection ring 242. The sensor fixing part 241 is arranged in the middle position of the third module fixing plate 213; the sensor detection ring 242 has two groups, which are respectively arranged on the corresponding resin gaskets 214 to detect whether the clamping jaw assembly 22 is in place.

[0035] Furthermore, the clamping jaw assembly 22 includes an air gripper fixing plate 221, an air gripper 222, a clamping jaw plate 223, a limit block 224 and a battery cell anti-collision plate 225. The air gripper fixing plate 221 is fixedly connected to the lower end of the guide shaft 215; the top of the air gripper 222 is connected to the bottom end of the guide shaft 215; one clamping jaw plate 223 is installed at each of the two clamping ends of the air gripper 222; the limit block 224 is arranged on the inner side surface of the clamping jaw plate 223 to prevent the inner ends of the two clamping jaw plates 223 from colliding with each other; the battery cell anti-collision plate 225 is installed on the bottom surface of the clamping jaw plate 223 to prevent the battery cell 4 from directly colliding with the clamping jaw plate 223. When the air gripper 222 is in motion, the test begins, and after the test is completed, the air gripper 222 is released.

[0036] One set of contact probe assemblies 23 is installed at the outer end of each set of the clamping jaw plates 223, and each set of the contact probe assemblies 23 includes a probe fixing plate 231 and a probe 232. The probe fixing plate 231 is installed on the side of the outer end of the clamping jaw plate 223, and keeps the two sets of the probe fixing plates 231 facing each other; the probe 232 is installed on the probe fixing plate 231, and keeps the contact end of the probe 232 facing each other and facing the battery cell 4, so as to be contacted and connected with the pole ear of the battery cell 4, and the test port of the probe 232 is electrically connected to the external test equipment, so as to perform OCV / ACIR test on the battery cell.

[0037] Three groups of probes 232 are arranged side by side on each of the probe fixing plates 231 , so that three groups of battery cells 4 arranged side by side can be tested simultaneously.

[0038] Example 2: Test operation description using a double-row blade battery OCV / ACIR test device described in Example 1:

[0039] 1) After the battery tray 3 is fully loaded with battery cells 4, it flows into the OCV / ACIR test device, and then the battery tray 3 is positioned. The three-axis mechanical module assembly 1 is actuated to drive the air gripper 222 to move to the set position. The air gripper 222 closes and clamps the battery cell 4 in the battery tray 3. At this time, the probe 232 contacts and connects with the tab of the battery cell 4, and the test starts;

[0040] 2) After the test is completed, the air gripper 222 is released, and the Z-axis module 13 drives the air gripper 222 to rise and move to the next test station until all the battery cells 4 in the battery cell tray 3 are tested. The three-axis mechanical module assembly 1 returns to the origin, and the battery cell tray 3 flows into the next process.

[0041] The contents described in the embodiments of this specification are merely an enumeration of implementation forms of the inventive concept. The protection scope of the present invention should not be regarded as limited to the specific forms described in the embodiments. The protection scope of the present invention also includes equivalent technical means that can be thought of by those skilled in the art based on the inventive concept.

Claims

1. A double-row blade battery OCV / ACIR test device, characterized in that: include: A three-axis mechanical module assembly (1) comprises an X-axis assembly (11), a Y-axis assembly (12), a Z-axis assembly (13) and a module support assembly (14); the axial directions of the X-axis assembly (11), the axis assembly (12) and the Z-axis assembly (13) are respectively defined as an X-axis direction, a Y-axis direction and a Z-axis direction; the X-axis assembly (11) is horizontally mounted on the top of the module support assembly (14); the Y-axis assembly (12) is slidably mounted horizontally on the X-axis assembly (11) and keeps the Y-axis assembly (12) perpendicular to the X-axis assembly (11); there are two sets of Z-axis assemblies (13), both of which are vertically slidably mounted on the Y-axis assembly (12); The probe test assembly (2), two sets in total, is respectively installed on the Z-axis lifting part of the two sets of the Z-axis assemblies (13), and comprises a module fixing frame (21), a clamping jaw assembly (22), a contact probe assembly (23) and an in-place detection assembly. The top of the module fixing frame (21) is connected to the Z-axis lifting part of the Z-axis assembly (13); the clamping jaw assembly (22) is installed on the bottom of the module fixing frame (21) and is used to clamp the battery cell in the fully loaded battery cell tray; the contact probe assembly (23) is arranged on the clamping part of the clamping jaw assembly (22) and is used to contact and connect with the pole ear of the battery cell; the in-place detection assembly is arranged on the module fixing frame (21) and is used to detect whether the clamping jaw assembly is in place; and a fully loaded battery cell tray (3), arranged below the three-axis mechanical module assembly (1), wherein a battery cell placement cavity for loading battery cells is provided on a surface of the fully loaded battery cell tray; The module fixing frame (21) comprises a first module fixing plate (211), a second module fixing plate (212), a third module fixing plate (213), a resin gasket (214), a guide shaft (215), and a rectangular spring (216); The in-place detection assembly comprises a sensor fixing member (241) and a sensor detection ring (242); the sensor fixing member (241) is arranged at a middle position of the third module fixing plate (213); the sensor detection ring (242) has two groups, which are respectively arranged on the corresponding resin gaskets (214) and are used to detect whether the clamping jaw assembly (22) is in place; The clamping jaw assembly (22) comprises an air clamp fixing plate (221), an air clamp (222), a clamping jaw plate (223), a limit block (224) and a battery cell anti-collision plate (225); the air clamp fixing plate (221) is fixedly connected to the lower end of the guide shaft (215); the top of the air clamp (222) is connected to the bottom end of the guide shaft (215); one clamping jaw plate (223) is respectively installed at the two clamping ends of the air clamp (222); the limit block (224) is arranged at the inner side surface of the clamping jaw plate (223) to prevent the inner ends of the two clamping jaw plates (223) from colliding with each other; the battery cell anti-collision plate (225) is installed on the bottom surface of the clamping jaw plate (223) to prevent the battery cell (4) from directly colliding with the clamping jaw plate (223); One set of the contact probe assembly (23) is installed at each outer end of the two sets of the clamping plates (223), and each set of the contact probe assembly (23) comprises a probe fixing plate (231) and a probe (232). The probe fixing plate (231) is installed on the side of the outer end of the clamping plates (223) and keeps the two sets of the probe fixing plates (231) facing each other. The probe (232) is installed on the probe fixing plate (231) and keeps the contact ends of the probes (232) facing each other and facing the battery cell (4) for contact connection with the tabs of the battery cell (4). The test port of the probe (232) is electrically connected to an external test device for performing an OCV / ACIR test on the battery cell.

2. A double-row blade battery OCV / ACIR test device as claimed in claim 1, characterized in that: The X-axis assembly (11) comprises an X-axis module (111), an X-axis module tank chain (112), an X-axis module fixing plate (113), an X-axis slider fixing plate (114), an X-axis slide rail (115) and an X-axis slide rail tank chain (116). The X-axis module (111) and the X-axis slide rail (115) are arranged horizontally side by side on the top of the module support assembly (14), and the X-axis module tank chain (112) is laid side by side along the X-axis direction on the outside of the X-axis module (111). The X-axis module tank chain (116) 112) one end is connected to the X-axis sliding part, the X-axis slide rail tank chain (116) is laid side by side along the X-axis direction on the outside of the X-axis slide rail (115), and one end of the X-axis slide rail tank chain (116) is connected to the X-axis module fixing plate (113); the X-axis module fixing plate (113) is arranged at one end of the X-axis module (111) and is connected to the X-axis sliding part of the X-axis module (111); the X-axis slider fixing plate (114) can be slidably installed on one end of the X-axis slide rail (115).

3. A double-row blade battery OCV / ACIR test device as claimed in claim 2, characterized in that: The Y-axis assembly (12) comprises a Y-axis module tank chain (121), a Y-axis module fixing plate (122), a Y-axis module (123), a Y-axis module fixing plate reinforcement rib (124) and a Y-axis drag chain fixing plate (125); the two ends of the Y-axis module fixing plate (122) are respectively arranged on the X-axis module fixing plate (113) and the X-axis slider fixing plate (114); and a Y-axis module (123) is horizontally paved along the Y-axis direction on the two opposite end surfaces of the Y-axis module fixing plate (122); the Y-axis drag chain fixing plate (125) is horizontally paved along the Y-axis direction. Flatly installed on the Y-axis module fixing plate (122); there are two Y-axis module tank chains (121), both of which are horizontally laid in the chain groove of the Y-axis drag chain fixing plate (125), and the pulling end of the Y-axis module tank chain (121) is connected to the corresponding Z-axis component (13); there are four groups of Y-axis module fixing plate reinforcement ribs (124), two of which are arranged on the Y-axis module fixing plate (122) and the X-axis slider fixing plate (114), and the other two groups are arranged on the Y-axis module fixing plate (122) and the X-axis module fixing plate (113).

4. A double-row blade battery OCV / ACIR test device as claimed in claim 2, characterized in that: The Z-axis assembly (13) comprises two sets, which are respectively installed on the Y-axis module (123), and include a Z-axis module (131), a Z-axis module tank chain (132), a Z-axis module fixing plate (133) and a Z-axis tank chain fixing plate (134); the Z-axis module fixing plate (133) is suspended on the Y-axis module (123) and connected to the Y-axis sliding part of the Y-axis module (123) to drive the Z-axis module (131) to move along the Y-axis direction; the Z-axis module (131) is paved on the Z-axis module fixing plate (133) along the Z-axis direction; the Z-axis module tank chain (132) is vertically paved on the Z-axis tank chain fixing plate (134) and connected to the Z-axis lifting part of the Z-axis module (131).

5. A double-row blade battery OCV / ACIR test device as claimed in claim 4, characterized in that: The third module fixing plate (213) is a rectangular plate; the first module fixing plate (211) has two groups, which are arranged at two opposite narrow ends of the third module fixing plate (213); the second module fixing plate (212) is arranged at one of the wide ends of the third module fixing plate (213); the third module fixing plate (213) is arranged at the top of the rectangular spring (216); the guide shaft (215) is inserted into the rectangular spring (216), and the top of the guide shaft (215) passes through the third module fixing plate (213) and then the resin gasket (214) is installed, and the bottom of the guide shaft (215) is connected to the top of the clamping jaw assembly (22).

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