Lithium battery cell measuring jig

Abstract

The invention discloses a lithium battery cell measuring jig. The right side of the top of the jig bottom plate is fixedly connected with a positioning module base through bolts, the front end and the back end of the top of the positioning module base are fixedly connected with stroke positioning modules through bolts, and the left side of each stroke positioning module is fixedly connected with a double-guide-pipe fixing base. Through the arrangement of the positioning mechanism, an inserting rod can be manually pulled out, the inserting rod is separated from an L-shaped sliding plate to relieve fixation, the L-shaped sliding plate upwards resets to the highest position along the surface of a vertical rod, the L-shaped sliding plate upwards moves to the highest position, a U-shaped clamping base is manually pulled out to be matched with a telescopic rod to extend out of a fixing box, and the inner side of the U-shaped clamping base is clamped to the surface of an upper cover plate; and then the upper cover plate is pressed to move up and down along the surface of the fixing stud to a required position, the inserting rod is inserted again to limit the L-shaped sliding plate, the L-shaped sliding plate is limited to enable the positions of the telescopic rod and the U-shaped clamping seat to be kept unchanged, and therefore the positioning effect is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of lithium battery cell measuring jigs, and in particular to a lithium battery cell measuring jig. Background Art

[0002] Lithium batteries have emerged and developed as a new type of energy storage battery at home and abroad. Lithium batteries are a high-efficiency energy storage device, so they are widely used. The core component of lithium batteries is the battery cell. There are three common types of battery cells on the market: square battery cells, soft-pack battery cells, and cylindrical battery cells. Energy storage lithium batteries generally use large-capacity square battery cells.

[0003] At present, when measuring the voltage and internal resistance of square batteries, manual measurement data is used when the number of units is not high. When measuring with an internal resistance tester pen, the probe of the tester pen may have poor contact, resulting in inaccurate measurement. In addition, the measurement speed is slow and the work efficiency is low, which reduces the accuracy of lithium battery measurement.

[0004] Therefore, it is necessary to redesign the lithium battery fixture to effectively prevent manual measurement of data. When manually measuring with an internal resistance tester pen, the probe of the tester may have poor contact, resulting in inaccurate measurement, slow measurement speed and low work efficiency. Summary of the invention

[0005] In order to solve the problems raised in the above background technology, the purpose of the present invention is to provide a lithium battery cell measuring fixture, which has the advantage of accurate measurement, solves the problem of manual measurement of data, manual measurement of internal resistance test meter pen, which may have poor contact of the probe of the test pen, may result in inaccurate measurement, and has slow measurement speed and low work efficiency.

[0006] To achieve the above object, the present invention provides the following technical solution: a lithium battery cell measuring fixture, comprising: A fixture base plate, the right side of the top of the fixture base plate is fixedly connected to a positioning module base by bolts, the front end and the back end of the top of the positioning module base are fixedly connected to a stroke positioning module by bolts, the left side of the stroke positioning module is fixedly connected to a double-duct fixing seat, the front end and the back end of the right side of the double-duct fixing seat are fixedly installed with a duct mounting positioning seat, the left side of the duct mounting positioning seat is fixedly connected to a probe, the left side of the probe passes through the left side of the double-duct fixing seat, the right side of the duct mounting positioning seat is fixedly installed with a duct mounting positioning block, the right side of the duct mounting positioning block is fixedly connected with a duct, the left and right sides of the top of the fixture base plate are movably connected with fixing studs through threads, the top of the surface of the fixing studs is slidably sleeved with an upper cover plate, and the front end and the back end of the fixture base plate are fixedly connected with a positioning mechanism; The positioning mechanism includes a fixed box, a vertical rod, an L-shaped slide, a telescopic rod, a U-shaped socket and an insertion rod. The front end and back end of the fixture base plate are fixedly connected to the fixed box. The front end of the inner cavity of the fixed box is longitudinally fixedly connected to the vertical rod. The surface of the vertical rod is slidably sleeved with the L-shaped slide. The back end of the L-shaped slide is fixedly connected to the telescopic rod. The back end of the telescopic rod passes through the back end of the fixed box and is fixedly connected to the U-shaped socket. The inner side of the U-shaped socket is clamped with the surface of the upper cover plate. The left side of the L-shaped slide is movably plugged with the insertion rod. The left side of the insertion rod passes through the left side of the fixed box. The top of the fixture base plate is slidably connected with a push-out mechanism.

[0007] As a preferred embodiment of the present invention, the ejection mechanism includes a slide plate, a handle and a pad, the top of the fixture base plate is slidably connected to the slide plate, the left side of the slide plate is fixedly connected to the handle, and the top of the slide plate is provided with a pad.

[0008] As a preferred embodiment of the present invention, a baffle is movably connected to the right side of the top of the jig bottom plate and located on the left side of the double-tube fixing seat, and the baffle is used in conjunction with the jig bottom plate.

[0009] As a preferred embodiment of the present invention, a return spring is sleeved on the surface of the vertical rod, and the top and bottom of the return spring are fixedly connected to the top of the L-shaped slide plate and the surface of the vertical rod respectively.

[0010] As a preferred embodiment of the present invention, the top and bottom of the left side of the fixing box and the positions corresponding to the insertion rods are provided with insertion holes, and the insertion holes are used in conjunction with the insertion rods.

[0011] As a preferred embodiment of the present invention, a slide rail is provided on the inner side of the fixture bottom plate and at a position corresponding to the slide plate, and the slide rail is used in conjunction with the slide plate.

[0012] As a preferred embodiment of the present invention, the front end and the back end of the right side of the double catheter fixing seat and the positions corresponding to the catheter installation positioning seat are provided with card slots, and the double catheter fixing seat is used in conjunction with the catheter installation positioning seat.

[0013] As a preferred embodiment of the present invention, the probe is installed at the center of the catheter, and the probe is used in conjunction with the catheter.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention can manually pull out the insertion rod through the setting of the positioning mechanism, and the insertion rod is separated from the L-shaped slide plate to release the fixation, and the L-shaped slide plate is reset to the highest position upward along the surface of the vertical rod. The L-shaped slide plate moves to the highest position and manually pulls out the U-shaped card seat to cooperate with the telescopic rod to extend out of the fixing box, so that the inner side of the U-shaped card seat is clamped on the surface of the upper cover plate, and then the upper cover plate is pressed to move up and down along the surface of the fixing stud to the required position, and the insertion rod is reinserted to limit the L-shaped slide plate. The L-shaped slide plate limit keeps the positions of the telescopic rod and the U-shaped card seat unchanged, thereby achieving the positioning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 For the present invention Figure 1 The three-dimensional diagram of the middle fixed box structure; Figure 3 For the present invention Figure 2 Exploded view of the structure of the middle vertical bar, L-shaped slide plate and telescopic bar; Figure 4 For the present invention Figure 1 Exploded diagram of the structure of the middle fixture base, positioning module base and travel positioning module; Figure 5 For the present invention Figure 1 A three-dimensional diagram of the middle slide and handle structure; Figure 6 For the present invention Figure 4 A three-dimensional diagram of the structure of the middle double catheter fixing seat and the catheter installation positioning seat.

[0016] In the figure: 1. fixture base plate; 2. positioning module base; 3. stroke positioning module; 4. double catheter fixing seat; 5. catheter installation positioning seat; 6. probe; 7. catheter installation positioning block; 8. catheter; 9. fixing stud; 10. upper cover plate; 11. positioning mechanism; 111. fixing box; 112. vertical rod; 113. L-shaped slide plate; 114. telescopic rod; 115. U-shaped holder; 116. plug rod; 12. ejection mechanism; 121. slide plate; 122. handle; 123. pad; 13. baffle; 14. return spring; 15. socket; 16. slide rail. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figures 1 to 6 As shown, the present invention provides a lithium battery cell measuring fixture, comprising: A fixture base plate 1, a positioning module base 2 is fixedly connected to the right side of the top of the fixture base plate 1 by bolts, a stroke positioning module 3 is fixedly connected to the front end and the back end of the top of the positioning module base 2 by bolts, a double-conduit fixing seat 4 is fixedly connected to the left side of the stroke positioning module 3, a conduit mounting positioning seat 5 is fixedly installed on the front end and the back end of the right side of the double-conduit fixing seat 4, a probe 6 is fixedly connected to the left side of the conduit mounting positioning seat 5, the left side of the probe 6 passes through the left side of the double-conduit fixing seat 4, a conduit mounting positioning block 7 is fixedly installed on the right side of the conduit mounting positioning seat 5, a conduit 8 is fixedly connected to the right side of the conduit mounting positioning block 7, a fixing stud 9 is movably connected to the left and right sides of the top of the fixture base plate 1 by threads, an upper cover plate 10 is slidably sleeved on the top of the surface of the fixing stud 9, and a positioning mechanism 11 is fixedly connected to the front end and the back end of the fixture base plate 1; The positioning mechanism 11 includes a fixed box 111, a vertical rod 112, an L-shaped slide 113, a telescopic rod 114, a U-shaped holder 115 and an insertion rod 116. The front end and the back end of the fixture base plate 1 are fixedly connected to the fixed box 111. The front end of the inner cavity of the fixed box 111 is longitudinally fixedly connected to the vertical rod 112. The surface of the vertical rod 112 is slidably sleeved with the L-shaped slide 113. The back end of the L-shaped slide 113 is fixedly connected to the telescopic rod 114. The back end of the telescopic rod 114 passes through the back end of the fixed box 111 and is fixedly connected to the U-shaped holder 115. The inner side of the U-shaped holder 115 is clamped with the surface of the upper cover plate 10. The left side of the L-shaped slide 113 is movably plugged with the insertion rod 116. The left side of the insertion rod 116 passes through the left side of the fixed box 111. The top of the fixture base plate 1 is slidably connected to the ejection mechanism 12.

[0019] refer to Figure 4 The ejection mechanism 12 includes a slide plate 121, a handle 122 and a pad 123. The top of the fixture base plate 1 is slidably connected to the slide plate 121, the left side of the slide plate 121 is fixedly connected to the handle 122, and the top of the slide plate 121 is provided with a pad 123.

[0020] As a technical optimization solution of the present invention, through the setting of the ejection mechanism 12, the handle 122 can be manually pulled to the left to drive the slide plate 121 to follow the movement. The slide plate 121 moves to the left to drive the pad 123 to move to the left and separate from the inside of the fixture bottom plate 1, thereby realizing the function of taking out materials.

[0021] refer to Figure 4 A baffle 13 is movably connected to the right side of the top of the fixture base plate 1 and the left side of the double-pipe fixing seat 4, and the baffle 13 is used in conjunction with the fixture base plate 1.

[0022] As a technical optimization solution of the present invention, the baffle 13 can be provided to assist in limiting the position of the battery cell, thereby preventing the battery cell from moving beyond the internal distance of the fixture bottom plate 1 and affecting the detection.

[0023] refer to Figure 2 A return spring 14 is sleeved on the surface of the vertical rod 112 , and the top and bottom of the return spring 14 are fixedly connected to the top of the L-shaped slide plate 113 and the surface of the vertical rod 112 respectively.

[0024] As a technical optimization solution of the present invention, the setting of the reset spring 14 can assist the L-shaped slide plate 113 in working and play a role of reset buffer, thereby avoiding the L-shaped slide plate 113 from being unable to reset after moving, resulting in the machine being unable to continue working.

[0025] refer to Figure 1 , the top and bottom of the left side of the fixing box 111 and the position corresponding to the insertion rod 116 are both provided with insertion holes 15, and the insertion holes 15 are used in conjunction with the insertion rod 116.

[0026] As a technical optimization solution of the present invention, the setting of the socket 15 can assist the insertion rod 116 in working and play a corresponding plug-in role, thereby avoiding the phenomenon that the insertion rod 116 is stuck at the socket 15 due to the socket 15 being too narrow.

[0027] refer to Figure 4 A slide rail 16 is provided on the inner side of the fixture bottom plate 1 and at a position corresponding to the slide plate 121 , and the slide rail 16 is used in conjunction with the slide plate 121 .

[0028] As a technical optimization solution of the present invention, the slide rail 16 can assist the slide plate 121 in working and play a limiting role, thereby avoiding the slide plate 121 from deviating during movement.

[0029] refer to Figure 6 A card slot is provided at the front end and the back end of the right side of the double catheter fixing seat 4 and corresponding to the position of the catheter installation positioning seat 5, and the double catheter fixing seat 4 is used in conjunction with the catheter installation positioning seat 5.

[0030] As a technical optimization solution of the present invention, the dual catheter fixing seat 4 is provided to assist the catheter installation and positioning seat 5 in working, thereby avoiding the catheter installation and positioning seat 5 being unable to be adjusted on the dual catheter fixing seat 4 .

[0031] refer to Figure 4 The probe 6 is installed at the center of the catheter 8, and the probe 6 is used in conjunction with the catheter 8.

[0032] As a technical optimization solution of the present invention, the setting of the probe 6 can assist the catheter 8 in working and play a positioning role, thereby avoiding the phenomenon of tilting of the probe 6 during use.

[0033] The working principle and use process of the present invention are as follows: when in use, the jig base plate 1 is first assembled, the positioning module base 2 is taken and installed on the surface of the jig base plate 1 by bolts, and then the stroke positioning module 3 is taken and installed on the top of the positioning module base 2 by bolts. Subsequently, the jig is assembled through the combination of the double-conduit fixing seat 4, the conduit installation positioning seat 5 and the probe 6, and then the internal resistance tester is turned on, and the battery cell is placed on the pad 123 of the jig base plate 1, and the positive and negative pole heads of the battery cell are aligned with the probe 6 on the measuring jig. When the battery cell pole head contacts the probe 6, the internal resistance tester will display the data, and the operator can directly record the data. After recording the data, take away the battery cell and measure the next battery cell. This cycle is convenient and quick to measure the data. When the upper cover 10 is adjusted along the fixed stud 9 to press the battery cell, first pull out the plug 116. Pulling out the plug 116 releases the restriction on the L-shaped slide plate 113. The L-shaped slide plate 113 cooperates with the reset spring 14 to reset the vertical rod 112 to the highest point. The L-shaped slide plate 113 resets upward to drive the telescopic rod 114 and the U-shaped holder 115 to rise synchronously. Then manually pull the U-shaped holder 115 to be connected to one side of the upper cover 10. The U-shaped holder 115 cooperates with the telescopic rod 114 to extend the workmanship. Then press the upper cover 10 to adjust the appropriate position up and down along the fixed stud 9. The upper cover 10 moves to drive the U-shaped holder 1 15 and the L-shaped slide plate 113 move with it, and finally the insertion rod 116 is inserted through the socket 15 again, the insertion rod 116 fixes the L-shaped slide plate 113, the position of the L-shaped slide plate 113 is fixed, so that the telescopic rod 114 and the U-shaped holder 115 are fixed, and the position of the U-shaped holder 115 is fixed so that the position of the upper cover 10 remains unchanged. Similarly, the upper cover 10 is taken out for removal. When the measurement of the lithium battery cell is completed, the handle 122 can be directly pulled to drive the slide plate 121 to the left and detach from the jig bottom plate 1. The slide plate 121 detaches from the jig bottom plate 1 and drives the pad 123 to move with it. The pad 123 is directly detached for easy use and picking, so as to avoid reaching into the interior of the jig bottom plate 1 when manually taking materials, and facilitate the user to operate the material taking operation.

[0034] In summary: the lithium battery cell measuring fixture, through the fixture base plate 1, the positioning module base 2, the stroke positioning module 3, the double catheter fixing seat 4, the catheter installation positioning seat 5, the probe 6, the catheter installation positioning block 7, the catheter 8, the fixing stud 9, the upper cover plate 10, the positioning mechanism 11, the fixing box 111, the vertical rod 112, the L-shaped slide plate 113, the telescopic rod 114, the U-shaped holder 115, the insertion rod 116 and the ejection mechanism 12, solves the existing manual measurement data, the manual hand holding internal resistance test meter pen measurement, the possibility of poor contact of the probe of the test pen, the possibility of inaccurate measurement, slow measurement speed and low work efficiency.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium battery cell measuring fixture, comprising: A fixture base plate (1), wherein the right side of the top of the fixture base plate (1) is fixedly connected to a positioning module base (2) by bolts, the front end and the back end of the top of the positioning module base (2) are fixedly connected to a travel positioning module (3) by bolts, the left side of the travel positioning module (3) is fixedly connected to a double-tube fixing seat (4), the front end and the back end of the right side of the double-tube fixing seat (4) are fixedly installed with a catheter installation positioning seat (5), the left side of the catheter installation positioning seat (5) is fixedly connected to a probe (6), the left side of the probe (6) passes through the left side of the double-tube fixing seat (4), the right side of the catheter installation positioning seat (5) is fixedly installed with a catheter installation positioning block (7), the right side of the catheter installation positioning block (7) is fixedly connected to a catheter (8), the left and right sides of the top of the fixture base plate (1) are both movably connected to fixing studs (9) by threads, the top of the surface of the fixing studs (9) is slidably sleeved with an upper cover plate (10), and the front end and the back end of the fixture base plate (1) are fixedly connected to a positioning mechanism (11); The positioning mechanism (11) comprises a fixing box (111), a vertical rod (112), an L-shaped slide plate (113), a telescopic rod (114), a U-shaped holder (115) and an insertion rod (116); the front end and the back end of the fixture base plate (1) are fixedly connected to the fixing box (111); the front end of the inner cavity of the fixing box (111) is longitudinally fixedly connected to the vertical rod (112); the surface of the vertical rod (112) is slidably sleeved with the L-shaped slide plate (113); the L-shaped slide plate (116) is fixedly connected to the fixing box (111) at the front end; The back end of the L-shaped slide plate (113) is fixedly connected to a telescopic rod (114), the back end of the telescopic rod (114) passes through the back end of the fixed box (111) and is fixedly connected to a U-shaped holder (115), the inner side of the U-shaped holder (115) is snap-fitted to the surface of the upper cover plate (10), the left side of the L-shaped slide plate (113) is movably plugged with an insertion rod (116), the left side of the insertion rod (116) passes through the left side of the fixed box (111), and the top of the fixture bottom plate (1) is slidably connected to a push-out mechanism (12).

2. A lithium battery cell measuring fixture according to claim 1, characterized in that: The ejection mechanism (12) comprises a slide plate (121), a handle (122) and a pad (123); the top of the fixture base plate (1) is slidably connected to the slide plate (121); the left side of the slide plate (121) is fixedly connected to the handle (122); and the top of the slide plate (121) is provided with a pad (123).

3. A lithium battery cell measuring jig according to claim 1, characterized in that: A baffle (13) is movably inserted on the right side of the top of the jig base plate (1) and on the left side of the double-conduit fixing seat (4), and the baffle (13) is used in conjunction with the jig base plate (1).

4. A lithium battery cell measuring fixture according to claim 1, characterized in that: A return spring (14) is sleeved on the surface of the vertical rod (112), and the top and bottom of the return spring (14) are fixedly connected to the top of the L-shaped slide plate (113) and the surface of the vertical rod (112) respectively.

5. A lithium battery cell measuring jig according to claim 1, characterized in that: Insertion holes (15) are provided at the top and bottom of the left side of the fixing box (111) and at positions corresponding to the insertion rod (116), and the insertion holes (15) are used in conjunction with the insertion rod (116).

6. A lithium battery cell measuring jig according to claim 2, characterized in that: A slide rail (16) is provided on the inner side of the jig bottom plate (1) at a position corresponding to the slide plate (121), and the slide rail (16) is used in conjunction with the slide plate (121).

7. A lithium battery cell measuring jig according to claim 1, characterized in that: The front end and the back end of the right side of the double catheter fixing seat (4) are provided with slots corresponding to the positions of the catheter installation positioning seat (5), and the double catheter fixing seat (4) is used in conjunction with the catheter installation positioning seat (5).

8. The lithium battery cell measuring jig according to claim 1, characterized in that: The probe (6) is installed at the center of the catheter (8), and the probe (6) is used in conjunction with the catheter (8).

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