CN216595204U - A tool for lithium cell electricity core voltage test - Google Patents
A tool for lithium cell electricity core voltage test Download PDFInfo
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- CN216595204U CN216595204U CN202122504749.8U CN202122504749U CN216595204U CN 216595204 U CN216595204 U CN 216595204U CN 202122504749 U CN202122504749 U CN 202122504749U CN 216595204 U CN216595204 U CN 216595204U
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Abstract
The utility model relates to a jig for testing the voltage of a lithium battery cell, which belongs to the field of lithium batteries and comprises a horizontally arranged conductive bar and a support frame arranged above the conductive bar and used for fixing the lithium battery cell, wherein the support frame is arranged on the conductive bar in a lifting manner and comprises a plurality of support frames with variable sizes, and hollow windows are arranged at the bottoms of the support frames corresponding to the conductive bars. The utility model can effectively improve the voltage measurement efficiency of the lithium battery cell.
Description
Technical Field
The utility model relates to the field of lithium batteries, in particular to a jig for testing the voltage of a lithium battery cell.
Background
After the formation of the lithium battery cell is completed, the voltage of the lithium battery cell needs to be tested to detect whether the voltage of the lithium battery cell is qualified. However, since the shape of the lithium battery cell is designed according to the needs of the customer, when the voltage of the lithium battery cell is detected, no special fixture is used for clamping the lithium battery cell, the voltage of the lithium battery cell can only be detected manually one by one, and the detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a tool for testing voltage of a lithium battery cell, including the busbar that the level set up and set up in the busbar top be used for the fixed lithium battery cell the support frame, the support frame set up in the busbar with liftable, just the support frame includes a plurality of changeable carriage of size, the bottom of carriage corresponds the busbar is provided with the fretwork window.
The utility model is suitable for lithium battery cores with lugs at two opposite ends.
In the utility model, the support frame with variable size is used for clamping the lithium battery cell to fix the lithium battery cell, and two tabs of the fixed lithium battery cell can be respectively arranged upwards and downwards; the fretwork window of carriage bottom is used for passing of the utmost point ear of lithium cell electricity core to the utmost point ear downwards that makes the lithium cell electricity core that is arranged in the carriage can pass the carriage and the busbar of being located the support frame below contacts each other. Therefore, when voltage testing is carried out on the lithium battery cell, only one meter pen of the universal meter is required to be communicated with the conductive strip, and then another meter pen of the universal meter sequentially passes through the upward lug of the lithium battery cell, so that the voltage of the lithium battery cell can be quickly and conveniently measured, and the detection efficiency is further improved. In addition, the supporting frame is arranged above the bus bar in a lifting mode, so that the voltage testing device can be suitable for voltage testing of lithium battery cells with different lug lengths by adjusting the distance between the supporting frame and the bus bar.
Wherein, the size of carriage can be adjusted according to lithium battery cell's shape to can be fixed by the carriage clamp after making lithium battery cell insert the carriage, consequently when carrying out voltage measurement to the lithium battery cell of same batch of the same specification, lithium battery cell can be fixed to the tool conveniently, fast, thereby can be further accelerate detection efficiency.
Wherein, the support frame is made of insulating material.
Furthermore, the support frame comprises a mounting strip arranged along the length direction of the conductive strip, the mounting strip is arranged on the conductive strip in a lifting manner, and the mounting strip is positioned above the conductive strip; the middle part of mounting bar along the length side of mounting bar has been seted up and has been run through the mounting groove of mounting bar, still be provided with a plurality of backup pads on the mounting bar, the lower extreme of backup pad with the upper surface of mounting bar offsets, the lower extreme of backup pad still is provided with connecting portion, connecting portion slidable ground set up in the mounting groove, the mounting bar between two adjacent backup pads and being located this two adjacent backup pads forms the carriage, and the mounting groove that is located between these two adjacent backup pads forms the fretwork window.
Wherein, can adjust the size of carriage through adjusting the interval between two adjacent backup pads, and then can make the carriage can be applicable to the tight fixedly of clamp of the lithium battery electricity core of different signals. In addition, the mounting groove can be used as a mounting structure and a hollow window of the support plate at the same time, so that the structure of the jig can be simplified, and the manufacturing cost and the complexity of the manufacturing process of the jig are reduced.
Wherein, the mounting bar and the supporting plate are made of insulating materials.
Furthermore, connecting portion are including inlaying and locating connecting block in the mounting groove, the lower extreme of connecting block is fixed and is provided with the bottom plate, the upper surface of bottom plate with the lower surface of mounting bar offsets.
Wherein, the connecting block inlays to be established in the mounting groove, and the backup pad and the bottom plate that are located the upper and lower both ends of connecting block all offset with the mounting bar, therefore backup pad ability chucking can prevent effectively that the relative mounting bar of backup pad from taking place to deflect on the mounting bar, can effectively guarantee the tight fixed effect of clamp of carriage to lithium battery electricity core. Simultaneously, when the backup pad receives the promotion of great external force, can remove on the mounting bar along the mounting groove, and then can adjust the interval between two adjacent backup pads, reach the size of adjusting the carriage in order to press from both sides the purpose including the fastening is fixed with lithium cell electricity core.
Wherein the connecting portion is made of an insulating material.
Furthermore, the supporting plate is provided with slots penetrating through the supporting plate along the two ends of the conducting bar in the width direction, connecting plates are embedded in the slots in a sliding mode, and the connecting plates are arranged through the slots on the same side of all the supporting plates.
Wherein, the slot at the both ends of the backup pad on the mounting bar inlays respectively and is equipped with a connecting plate, forms the carriage between connecting plate and two adjacent backup pads and the mounting bar, and the connecting plate can play the effect that prevents lithium battery cell and stretch out the carriage, can prevent adjacent lithium battery cell contactless, and then can guarantee voltage measurement result's accuracy.
Furthermore, the slot extends upwards to form the supporting plate.
Wherein, the slot upwards extends the backup pad, consequently can upwards directly pull away the slot with the connecting plate in the slot, consequently, after having measured lithium battery electricity core, can pour out lithium battery electricity core from the carriage fast, can further increase detection efficiency.
Furthermore, threaded holes are further formed in the surfaces of the two ends of the supporting plate along the width direction of the conductive strips, the threaded holes are communicated with the slots, and fastening bolts are arranged in the threaded holes.
Wherein the fastening bolt arranged in the threaded hole on the supporting plate can be abutted against the connecting plate, so that the connecting plate and the supporting plate can be mutually fixed, and the size of the supporting frame can be further fixed, therefore, when the same batch of lithium battery electric cores with the same specification are measured, the size of the supporting frame does not need to be adjusted for many times,
the size of the supporting frame is adjusted only according to the shape of the batch of lithium battery cells, so that the batch of lithium battery cells can be clamped and fixed by the supporting frame after being inserted into the supporting frame, the lithium battery cells can be conveniently and quickly fixed on a jig, and the detection efficiency can be further accelerated.
Further, the upper surface at the length direction's of busbar both ends is the fixed minimum two screw rods that are provided with all, the vertical setting of screw rod, the mounting bar corresponds the mounting hole has been seted up to the screw rod, the mounting hole cover is located the screw rod, just still be provided with adjusting nut on the screw rod, adjusting nut is located the top of mounting bar, still the cover is equipped with cylindrical spring on the screw rod, cylindrical spring is located between mounting bar and the busbar.
The cylindrical spring between the mounting bar and the conductive bar is in a compression state, and the distance between the mounting bar and the conductive bar can be adjusted by adjusting the upper position and the lower position of the adjusting nut on the screw rod, so that the distance between the supporting frame and the conductive bar is adjusted. In addition, if individual lithium battery cell is in by the braced frame clamp fastening back, lithium battery cell utmost point ear still does not contact the busbar, can make its mutual contact through mounting bar down this moment, and then can eliminate the individual difference of lithium battery cell and measure the obstacle that brings for the voltage of lithium cell.
Furthermore, jacks are formed in the side faces of the conducting strips.
The jacks on the side faces of the conductive strips are used for inserting and fixing a meter pen of the multimeter, so that the multimeter can be used conveniently.
The principle and effect of the present invention will be further explained by combining the above technical scheme and the accompanying drawings:
according to the utility model, the size of the supporting frame can be adjusted according to the shape of the lithium battery cell, so that the lithium battery cell can be clamped and fixed by the supporting frame after being inserted into the supporting frame, and further the lithium battery cell can be conveniently and quickly fixed on a jig; the fretwork window of carriage bottom is used for passing of the utmost point ear of lithium cell electricity core to the utmost point ear downwards that makes the lithium cell electricity core that is arranged in the carriage can pass the carriage and the busbar of being located the support frame below contacts each other. Therefore, when voltage testing is carried out on the lithium battery cell, only one meter pen of the universal meter is required to be communicated with the conductive strip, and then another meter pen of the universal meter sequentially passes through the upward lug of the lithium battery cell, so that the voltage of the lithium battery cell can be quickly and conveniently measured, and the detection efficiency is further improved. In addition, the supporting frame is arranged above the bus bar in a lifting mode, so that the voltage testing device can be suitable for voltage testing of lithium battery cells with different lug lengths by adjusting the distance between the supporting frame and the bus bar.
Drawings
Fig. 1 is a first schematic structural diagram of a jig for testing a cell voltage of a lithium battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram ii of a jig for testing a cell voltage of a lithium battery according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure diagram of a jig for testing a cell voltage of a lithium battery according to an embodiment of the present invention.
Description of reference numerals:
1-conducting bar, 11-screw rod, 111-cylindrical spring, 12-adjusting nut, 21-supporting plate, 22-connecting plate, 23-fastening bolt, 24-mounting bar, 241-mounting groove, 251-connecting block and 252-bottom plate.
Detailed Description
For the understanding of those skilled in the art, the present invention will be described in further detail below with reference to the accompanying drawings and examples:
as shown in fig. 1-3, a jig for testing voltage of a lithium battery cell includes a conductive bar 1 horizontally disposed and a support frame disposed above the conductive bar 1 and used for fixing the lithium battery cell, wherein the support frame is liftably disposed on the conductive bar 1, the support frame includes a plurality of variable supporting frames, and a hollow window is disposed at the bottom of the supporting frame corresponding to the conductive bar 1.
The utility model is suitable for lithium battery cores with lugs at two opposite ends.
In the utility model, the support frame with variable size is used for clamping the lithium battery cell to fix the lithium battery cell, and two tabs of the fixed lithium battery cell can be respectively arranged upwards and downwards; the fretwork window of carriage bottom is used for passing of lithium battery electric core's utmost point ear to make the utmost point ear downwards that is arranged in the lithium battery electric core of carriage can pass carriage and the busbar 1 mutual contact that is arranged in the support frame below. Therefore, when voltage testing is carried out on the lithium battery cell, only one meter pen of the universal meter is required to be communicated with the conductive bar 1, and then another meter pen of the universal meter sequentially passes through the upward lug of the lithium battery cell, so that the voltage of the lithium battery cell can be quickly and conveniently measured, and further the detection efficiency is improved. In addition, the supporting frame is arranged above the conductive bar 1 in a lifting manner, so that the voltage testing device can be suitable for voltage testing of lithium battery cells with different tab lengths by adjusting the distance between the supporting frame and the conductive bar 1.
Wherein, the size of carriage can be adjusted according to lithium battery electricity core's shape to can be fixed by the carriage clamping after making lithium battery electricity core insert the carriage, consequently when carrying out voltage measurement to the lithium battery electricity core of same batch the same specification, lithium battery electricity core can be fixed to the tool conveniently, fast, thereby can be further accelerate detection efficiency.
Wherein, the support frame is made of insulating material.
In one embodiment, the support frame includes a mounting bar 24 disposed along a length direction of the conductive bar 1, the mounting bar 24 is disposed on the conductive bar 1 in a liftable manner, and the mounting bar 24 is located above the conductive bar 1; the middle part of mounting bar 24 along the length side of mounting bar 24 has been seted up and has been run through the mounting groove 241 of mounting bar 24, still be provided with a plurality of backup pads 21 on the mounting bar 24, the lower extreme of backup pad 21 with the upper surface of mounting bar 24 offsets, the lower extreme of backup pad 21 still is provided with connecting portion, connecting portion slidable ground set up in the mounting groove 241, the mounting bar 24 that two adjacent backup pads 21 and lie in between these two adjacent backup pads 21 forms the carriage, and the mounting groove 241 that lies in between these two adjacent backup pads 21 forms the fretwork window.
Wherein, can adjust the size of carriage through adjusting the interval between two adjacent backup pads 21, and then can make the carriage can be applicable to the tight fixedly of clamp of the lithium battery electricity core of different signals. In addition, the mounting groove 241 can be used as a mounting structure and a hollow window of the support plate 21, so that the structure of the jig of the utility model can be simplified, and the manufacturing cost and the complexity of the manufacturing process of the jig can be reduced.
Wherein the mounting bar 24 as well as the support plate 21 are made of an insulating material.
In one embodiment, the connecting portion includes a connecting block 251 embedded in the mounting groove 241, a bottom plate 252 is fixedly disposed at a lower end of the connecting block 251, and an upper surface of the bottom plate 252 abuts against a lower surface of the mounting bar 24.
Wherein, the connecting block 251 is embedded in the mounting groove 241, and the supporting plate 21 and the bottom plate 252 that are located the upper and lower both ends of the connecting block 251 all offset with the mounting bar 24, so the supporting plate 21 can be chucked on the mounting bar 24, can effectively prevent the relative mounting bar 24 of supporting plate 21 from deflecting, can effectively guarantee the tight fixed effect of clamp of carriage to lithium battery electricity core. Meanwhile, when the supporting plates 21 are pushed by large external force, the supporting plates can be moved on the mounting bar 24 along the mounting grooves 241, so that the distance between the two adjacent supporting plates 21 can be adjusted, and the purpose of adjusting the size of the supporting frame to clamp and fix the lithium battery cell is achieved.
Wherein the connecting portion is made of an insulating material.
In one embodiment, slots penetrating through the support plate 21 are disposed at two ends of the support plate 21 along the width direction of the conductive bar 1, a connection plate 22 is slidably embedded in the slots, and the connection plate 22 is disposed through the slots on the same side of all the support plates 21.
Wherein, the slot at the both ends of backup pad 21 on the mounting bar 24 inlays respectively and is equipped with a connecting plate 22, forms the carriage between connecting plate 22 and two adjacent backup pads 21 and the mounting bar 24, and connecting plate 22 can play the effect that prevents lithium battery electric core and stretch out the carriage, can prevent adjacent lithium battery electric core contactless, and then can guarantee voltage measurement's accuracy.
In one embodiment, the slot extends upward beyond the support plate 21.
Wherein, the slot upwards extends backup pad 21, consequently can upwards directly pull away the slot with the connecting plate 22 in the slot, consequently, after having measured lithium cell electricity core, can pour out lithium cell electricity core from the carriage fast, can further increase detection efficiency.
In one embodiment, threaded holes are further formed in the surfaces of the two ends of the support plate 21 along the width direction of the conductive strip 1, the threaded holes are communicated with the slots, and fastening bolts 23 are arranged in the threaded holes.
Wherein, the fastening bolt 23 arranged in the threaded hole on the support plate 21 can be abutted against the connecting plate 22, so that the connecting plate 22 and the support plate 21 are mutually fixed, and the size of the support frame can be further fixed, therefore, when the lithium battery cells of the same batch and the same specification are measured, the size of the support frame does not need to be adjusted for many times,
the size of the supporting frame is adjusted only according to the shape of the batch of lithium battery cells, so that the batch of lithium battery cells can be clamped and fixed by the supporting frame after being inserted into the supporting frame, the lithium battery cells can be conveniently and quickly fixed on a jig, and the detection efficiency can be further accelerated.
One of them embodiment, the upper surface at the length direction's of conducting strip 1 both ends is all fixed and is provided with two minimum screw rods 11, 11 vertical settings of screw rod, mounting bar 24 corresponds the mounting hole has been seted up to screw rod 11, the mounting hole cover is located screw rod 11, just still be provided with adjusting nut 12 on screw rod 11, adjusting nut 12 is located the top of mounting bar 24, still the cover is equipped with cylindrical spring 111 on screw rod 11, cylindrical spring 111 is located between mounting bar 24 and the conducting strip 1.
The cylindrical spring 111 located between the mounting bar 24 and the conductive bar 1 is in a compressed state, and the distance between the mounting bar 24 and the conductive bar 1 can be adjusted by adjusting the up-down position of the adjusting nut 12 on the screw 11, so as to adjust the distance between the support frame and the conductive bar 1. In addition, if individual lithium battery cell is in by the braced frame clamp fastening back, lithium battery cell utmost point ear still does not contact busbar 1, can make its mutual contact through mounting bar 24 down this moment, and then can eliminate the individual difference of lithium battery cell and measure the obstacle that brings for the voltage of lithium cell.
In one embodiment, the side surface of the conductive strip 1 is provided with a jack.
The jacks on the side surfaces of the conductive strips 1 are used for inserting and fixing a meter pen of the multimeter, so that the multimeter can be conveniently used.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a tool for test of lithium cell electricity core voltage which characterized in that, including the busbar of level setting with set up in the support frame that is used for fixed electric core of busbar top, the support frame set up in with the busbar, just the support frame includes the changeable carriage of a plurality of sizes, the bottom of carriage corresponds the busbar is provided with the fretwork window.
2. The jig for testing the cell voltage of the lithium battery according to claim 1, wherein the supporting frame comprises a mounting bar arranged along the length direction of the conductive bar, the mounting bar is arranged on the conductive bar in a liftable manner, and the mounting bar is located above the conductive bar; the middle part of mounting bar along the length side of mounting bar has been seted up and has been run through the mounting groove of mounting bar, still be provided with a plurality of backup pads on the mounting bar, the lower extreme of backup pad with the upper surface of mounting bar offsets, the lower extreme of backup pad still is provided with connecting portion, connecting portion slidable ground set up in the mounting groove, the mounting bar between two adjacent backup pads and being located this two adjacent backup pads forms the carriage, and the mounting groove that is located between these two adjacent backup pads forms the fretwork window.
3. The jig for testing the voltage of the battery cells of the lithium battery of claim 2, wherein the connecting portion comprises a connecting block embedded in the mounting groove, a bottom plate is fixedly arranged at the lower end of the connecting block, and the upper surface of the bottom plate abuts against the lower surface of the mounting bar.
4. The jig for testing the cell voltage of the lithium battery of claim 3, wherein slots penetrating through the support plate are formed at two ends of the support plate along the width direction of the conductive bar, a connecting plate is slidably embedded in the slots, and the connecting plate is arranged through the slots on the same side of all the support plates.
5. The tool for testing the cell voltage of the lithium battery of claim 4, wherein the slot extends upward beyond the support plate.
6. The jig for testing the cell voltage of the lithium battery of claim 4 or 5, wherein the support plate further has threaded holes formed in surfaces of two ends of the support plate along the width direction of the conductive strip, the threaded holes are communicated with the slots, and fastening bolts are disposed in the threaded holes.
7. The jig for testing the voltage of the battery cells of the lithium battery of claim 2, wherein at least two screws are fixedly arranged on the upper surfaces of the two ends of the conductive strips in the length direction, the screws are vertically arranged, the mounting bar is provided with mounting holes corresponding to the screws, the mounting holes are sleeved on the screws, the screws are further provided with adjusting nuts, the adjusting nuts are located above the mounting bar, the screws are further sleeved with cylindrical springs, and the cylindrical springs are located between the mounting bar and the conductive strips.
8. The jig for testing the cell voltage of the lithium battery of claim 1, wherein the side surface of the conductive strip is provided with a jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122504749.8U CN216595204U (en) | 2021-10-18 | 2021-10-18 | A tool for lithium cell electricity core voltage test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122504749.8U CN216595204U (en) | 2021-10-18 | 2021-10-18 | A tool for lithium cell electricity core voltage test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216595204U true CN216595204U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122504749.8U Active CN216595204U (en) | 2021-10-18 | 2021-10-18 | A tool for lithium cell electricity core voltage test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216595204U (en) |
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2021
- 2021-10-18 CN CN202122504749.8U patent/CN216595204U/en active Active
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