CN213398863U - DCR testing arrangement of electricity core - Google Patents
DCR testing arrangement of electricity core Download PDFInfo
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- CN213398863U CN213398863U CN202021658534.0U CN202021658534U CN213398863U CN 213398863 U CN213398863 U CN 213398863U CN 202021658534 U CN202021658534 U CN 202021658534U CN 213398863 U CN213398863 U CN 213398863U
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Abstract
The utility model provides a DCR testing arrangement of electric core, including bottom plate and top syntropy sliding connection's accredited testing organization, an adjustment backup pad and No. two adjustment backup pads, the setting of two accredited testing organization symmetries is equipped with an adjustment backup pad at the both ends of bottom plate, every accredited testing organization's inboard, is equipped with between two adjustment backup pads and adjusts No. two adjustment backup pads, accredited testing organization electric wire connection to battery direct current test machine. DCR testing arrangement of electric core, design into about adjustable for the device commonality is high, can satisfy the electric core test of multiple size, has improved the measuring accuracy of product greatly.
Description
Technical Field
The utility model belongs to the technical field of the electric core test, especially, relate to a DCR testing arrangement of electric core.
Background
Install electric core in the lithium cell, need test electric core's resistance before packing into lithium cell inside with electric core to ensure that the performance of electric core is good. In the prior art, the internal resistance tester is used for checking the internal resistance of the battery cell, but in order to ensure the testing accuracy of the internal resistance tester, the checking resistor is required to be used for checking the accuracy of the internal resistance tester regularly. Be provided with the standing groove that is used for placing the electric core that awaits measuring on the internal resistance tester, because the structure of check-up resistance is inconsistent with the overall dimension of electric core, lead to can't putting standard resistance in the standing groove and measure. Meanwhile, the existing testing device can only meet the requirement of a single model, a positioning device needs to be newly manufactured during model changing, cost waste is caused, and the mode of the adopted probe cannot guarantee compaction of the electrode lugs of the battery core, so that the testing result is influenced.
Disclosure of Invention
In view of this, the utility model aims at providing a DCR testing arrangement of electric core to a DCR testing arrangement of electric core that the precision of test is high can satisfy the test of multiple size electric core is provided.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a DCR testing arrangement of electricity core, includes bottom plate and top syntropy sliding connection's accredited testing organization, an adjustment backup pad and No. two adjustment backup pads, and the setting of two accredited testing organization symmetries is equipped with an adjustment backup pad at the both ends of bottom plate, every accredited testing organization's inboard, is equipped with the adjustment backup pad No. two between two adjustment backup pads, and accredited testing organization electric wire connection is to battery direct current test machine.
Further, the testing mechanism comprises a cylinder mounting plate, a cylinder and a base, the cylinder mounting plate and an insulating cushion block are mounted above the base, the insulating cushion block is located on one side of the cylinder mounting plate, a conductor is arranged above the insulating cushion block and connected to the battery direct-current testing machine through an electric wire, the cylinder is movably mounted on one side of the cylinder mounting plate, a pressing block bottom plate is mounted below the cylinder, the lower side of the pressing block bottom plate is connected to a pressing block through a guide shaft, a spring is sleeved outside the guide shaft, the pressing block is located above the conductor, and one end of the guide shaft is connected with a testing wire.
Furthermore, two pressing bottom plate through holes are formed in the pressing bottom plate and are in sliding fit with the guide shaft; one end of the guide shaft is connected with the test wire, the other end of the guide shaft is a conical mechanism, and the guide shaft is in floating connection with the pressing block.
Furthermore, a base mounting hole is formed in the base.
Furthermore, the pressing block is made of red copper, and the bottom surface of the pressing block is a sawtooth surface.
Furthermore, the conductor is made of red copper, the front end of the conductor is provided with a bending angle, and one side of the conductor is connected to a battery direct current testing machine through an electric wire.
Further, an air cylinder long round hole in the up-down direction is formed in the air cylinder mounting plate, and the air cylinder long round hole is connected with the air cylinder in a clamped mode and moves relative to the air cylinder.
Furthermore, a connecting plate is arranged between the cylinder and the pressing block bottom plate, and a connecting plate hole is formed in the connecting plate.
Further, be equipped with the oblong through hole on the bottom plate, adjust the backup pad and all be equipped with draw-in groove and connecting hole No. two regulation backup pad bottoms, the draw-in groove with oblong through hole joint, and adjust the backup pad and can follow the oblong through hole removal No. two regulation backup pads.
Compared with the prior art, DCR testing arrangement of electric core have following advantage:
(1) DCR testing arrangement of electric core, design into about adjustable for the device commonality is high, can satisfy the electric core test of multiple size, has improved the measuring accuracy of product greatly.
(2) DCR testing arrangement of electric core, the test wire is connected to guiding axle one end, the other end is conical mechanism, is connected for floating with the connected mode of compact heap, when realizing piezoelectric core utmost point ear, automatic leveling guarantees compaction utmost point ear, utmost point ear hold-down mechanism adopts the form that the briquetting compressed tightly for utmost point ear compresses tightly stability stronger.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic diagram of a DCR testing apparatus for electrical cores according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a testing mechanism according to an embodiment of the present invention;
fig. 3 is a side view of a testing mechanism according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a position relationship among the pressing block bottom plate, the spring, the guide shaft and the pressing block according to the embodiment of the present invention;
fig. 5 is a front view of a testing mechanism according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a DCR testing apparatus for electrical cores according to an embodiment of the present invention during use.
Description of reference numerals:
1-a chassis; 2-a bottom plate; 3-a testing mechanism; 301-cylinder mounting plate; 302-a cylinder; 303-a connecting plate; 304-compact block floor; 305-a spring; 306-a guide shaft; 307-a compression block; 308-conductor 308; 309-insulating spacer block; 310-a base; 311-reinforcing ribs; 4-a first adjusting support plate; 5-second adjusting support plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The noun explains:
DCR (Direct Current Resistance) -inductance Resistance measured at Direct Current.
The utility model provides a DCR testing arrangement of electricity core, as shown in fig. 1 to 6, including bottom plate 2 and top syntropy sliding connection's accredited testing organization 3, regulation backup pad 4 and No. two regulation backup pads 5, the setting of two accredited testing organization 3 symmetries is at the both ends of bottom plate 2, and every accredited testing organization 3's inboard is equipped with one regulation backup pad 4, is equipped with between two regulation backup pads 4 and adjusts No. two regulation backup pads 5, and 3 wire connection of accredited testing organization is to battery direct current test machine.
The testing mechanism 3 can adjust the position left and right on the upper surface, and the position is determined according to the length of the battery cell, so that the battery cell tests of various sizes are met.
Preferably, be equipped with the oblong through hole on bottom plate 2, adjust backup pad 4 and No. two and adjust backup pad 5 bottoms and all be equipped with draw-in groove and connecting hole, the draw-in groove with oblong through hole joint for adjust backup pad 4 and No. two and adjust backup pad 5 and slide along the oblong through hole, when needs fixed adjust backup pad 4 and No. two adjust backup pad 5, through the bolt with connecting hole and bottom plate mounting hole on bottom plate 2 screw up can.
The clamping groove is an I-shaped groove or a U-shaped groove.
The testing mechanism 3 comprises an air cylinder mounting plate 301, an air cylinder 302, a connecting plate 303, a pressing block bottom plate 304, a spring 305, a guide shaft 306, a pressing block 307, a conductor 308, an insulating cushion block 309, a base 310 and a reinforcing rib 311, wherein the air cylinder mounting plate 301 and the insulating cushion block 309 are mounted above the base 310, the insulating cushion block 309 is located on one side of the air cylinder mounting plate 301, the conductor 308 is arranged above the insulating cushion block 309 and connected to a battery direct current testing machine through an electric wire, the air cylinder 302 is movably mounted on one side of the air cylinder mounting plate 301, the pressing block bottom plate 304 is mounted below the air cylinder 302, the pressing block bottom plate 304 is connected to the pressing block 307 through the guide shaft 306, the spring 305 is sleeved outside the guide shaft 306, the pressing block 307 is located above.
The base 310 is provided with a base mounting hole, and the base mounting hole is screwed with the bottom plate mounting hole on the bottom plate 2 through a bolt after the testing mechanism 3 is placed at a proper position according to the length of the battery cell.
Two pressing bottom plate through holes are formed in the pressing bottom plate 304 and are in sliding fit with the guide shaft 306; one end of the spring guide shaft 306 is connected with the test wire, the other end of the spring guide shaft is provided with a conical mechanism, the spring guide shaft and the pressing block 307 are connected in a floating mode, and therefore when the piezoelectric core lug is achieved, automatic leveling is achieved, and the lug is guaranteed to be compacted.
The pressing block 307 is made of red copper, and the bottom surface thereof is processed into a sawtooth surface. Conductor 308 is red copper material, and its front end is equipped with the angle of buckling, makes things convenient for the unloading of electricity core, and the opposite side is connected to battery direct current test machine through the electric wire. A reinforcing rib 311 is arranged between the other side of the cylinder mounting plate 301 and the base 310.
The cylinder mounting plate 301 is provided with a cylinder slotted hole in the vertical direction, the cylinder slotted hole is clamped with the cylinder 302 and can move relatively, so that the cylinder 302 can move up and down along the cylinder mounting plate 301 under the driving of external power, the compression amount of the spring 305 is changed, and the pressing force is adjusted in such a way.
Be equipped with connecting plate 303 between cylinder 302 and the compact heap bottom plate 304, be equipped with the connecting plate hole on the connecting plate 303, the connecting plate hole is the through wires hole of test electric wire, convenient fixed cable, and connecting plate 303 is insulating material. Preferably, the insulating material is rubber.
The first adjusting support plate 4 plays a role in supporting the battery cell, and the left and right positions of the first adjusting support plate can be adjusted on the bottom plate 2; the second adjusting support plate 5 plays a role in supporting the battery cell, and the left and right positions of the second adjusting support plate can be adjusted on the bottom plate 2; the bottom frame 1 is arranged below the bottom plate 2, and the bottom frame 1 is a steel structure welding piece, so that the strength is high, and the effect of supporting a platform is achieved.
The working principle of the DCR testing device for the battery cell is as follows:
the position of the testing mechanism 3 is adjusted according to the length of the battery cell (when the length of the battery cell is short, the first adjusting support plate 4 or the second adjusting support plate 5 can be removed to meet the corresponding position requirement), after fastening is completed, the battery cell is placed on the support plates, at the moment, the positive pole and the negative pole of the battery cell are directly above the conductor 308, the pneumatic switch is manually turned on, the air cylinder 302 of the positive pole and the negative pole testing mechanism 3 descends, after the positive pole and the negative pole descend in place, the pressing block 307 compacts the pole lugs, the battery direct current testing machine is started for testing, after the testing is completed, the pneumatic switch is turned off, the air cylinder 302 ascends, and the whole process of manually taking away the battery cell.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a DCR testing arrangement of electricity core which characterized in that: the testing mechanism comprises a bottom plate, a testing mechanism, a first adjusting supporting plate and a second adjusting supporting plate, wherein the testing mechanism, the first adjusting supporting plate and the second adjusting supporting plate are connected with the bottom plate in a sliding mode in the same direction, the two testing mechanisms are symmetrically arranged at two ends of the bottom plate, the first adjusting supporting plate is arranged on the inner side of each testing mechanism, the second adjusting supporting plate is arranged between the two first adjusting supporting plates, and the testing mechanism is connected to a battery direct-current testing machine through wires.
2. The DCR testing apparatus for battery cells of claim 1, wherein: the testing mechanism comprises a cylinder mounting plate, a cylinder and a base, the cylinder mounting plate and an insulating cushion block are mounted above the base, the insulating cushion block is located on one side of the cylinder mounting plate, a conductor is placed above the insulating cushion block and connected to a battery direct-current testing machine through an electric wire, the cylinder is movably mounted on one side of the cylinder mounting plate, a pressing block bottom plate is mounted below the cylinder, the pressing block bottom plate is connected to a pressing block through a guide shaft, a spring is sleeved outside the guide shaft, the pressing block is located above the conductor, and one end of the guide shaft is connected with a testing wire.
3. The DCR testing apparatus for battery cells of claim 2, wherein: the pressing bottom plate is provided with two pressing bottom plate through holes which are in sliding fit with the guide shaft; the other end of the guide shaft is a conical mechanism, and the guide shaft is in floating connection with the pressing block.
4. The DCR testing apparatus for battery cells of claim 2, wherein: the base is provided with a base mounting hole.
5. The DCR testing apparatus for battery cells of claim 2, wherein: the compact heap is red copper material, and its bottom surface is the sawtooth surface.
6. The DCR testing apparatus for battery cells of claim 2, wherein: the conductor is made of red copper, the front end of the conductor is provided with a bending angle, and one side of the conductor is connected to a battery direct current testing machine through an electric wire.
7. The DCR testing apparatus for battery cells of claim 2, wherein: the cylinder mounting plate is provided with a cylinder long round hole in the vertical direction, the cylinder long round hole is connected with the cylinder in a clamping mode, and the cylinder long round hole and the cylinder move relatively.
8. The DCR testing apparatus for battery cells of claim 2, wherein: and a connecting plate is arranged between the cylinder and the pressing block bottom plate, and a connecting plate hole is formed in the connecting plate.
9. The DCR testing apparatus for battery cells of claim 1, wherein: be equipped with the oblong through-hole on the bottom plate, adjust the backup pad and all be equipped with draw-in groove and connecting hole No. two regulation backup pads bottoms, the draw-in groove with oblong through-hole joint, and adjust the backup pad and can follow the oblong through-hole removal No. two regulation backup pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658534.0U CN213398863U (en) | 2020-08-11 | 2020-08-11 | DCR testing arrangement of electricity core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658534.0U CN213398863U (en) | 2020-08-11 | 2020-08-11 | DCR testing arrangement of electricity core |
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| Publication Number | Publication Date |
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| CN213398863U true CN213398863U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021658534.0U Active CN213398863U (en) | 2020-08-11 | 2020-08-11 | DCR testing arrangement of electricity core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758454A (en) * | 2021-08-30 | 2021-12-07 | 天津市捷威动力工业有限公司 | Online thickness measuring device for battery cell packaging |
-
2020
- 2020-08-11 CN CN202021658534.0U patent/CN213398863U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758454A (en) * | 2021-08-30 | 2021-12-07 | 天津市捷威动力工业有限公司 | Online thickness measuring device for battery cell packaging |
| CN113758454B (en) * | 2021-08-30 | 2024-02-27 | 天津市捷威动力工业有限公司 | Online thickness measuring device for battery cell packaging |
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