CN218298331U - Cylindrical battery cell clamp - Google Patents

Cylindrical battery cell clamp Download PDF

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Publication number
CN218298331U
CN218298331U CN202222394547.7U CN202222394547U CN218298331U CN 218298331 U CN218298331 U CN 218298331U CN 202222394547 U CN202222394547 U CN 202222394547U CN 218298331 U CN218298331 U CN 218298331U
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China
Prior art keywords
clamping block
shaped groove
arc
electricity core
cylinder electricity
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CN202222394547.7U
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Chinese (zh)
Inventor
安敏俊
薄晋科
张良
杨承相
宋慧洁
曹仕良
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Dalian CBAK Power Battery Co Ltd
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Dalian CBAK Power Battery Co Ltd
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Priority to CN202222394547.7U priority Critical patent/CN218298331U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model relates to a lithium cell technical field provides a cylinder electricity core anchor clamps, include: the first clamping block is provided with a first circular arc-shaped groove; the second clamping block is provided with a second arc-shaped groove, and the first clamping block and the second clamping block are overlapped so that the first arc-shaped groove and the second arc-shaped groove are oppositely arranged to form an accommodating cavity; the first clamping block is detachably connected with the second clamping block. Foretell cylinder electricity core anchor clamps, through seting up first convex recess on first grip block, set up the convex recess of second on the second grip block, first convex recess constructs the holding cavity of cylinder electricity core with the convex recess of second, when examining the performance of cylinder electricity core, first grip block and second grip block play the heat preservation effect to cylinder electricity core, in order to prevent the heat dissipation that cylinder electricity core charge-discharge in-process produced, do benefit to the temperature variation value of collecting more accurate cylinder electricity core surface, the accuracy of cylinder electricity core performance detection has been improved.

Description

Cylindrical battery cell clamp
Technical Field
The utility model relates to a lithium cell technical field especially relates to a cylinder electricity core anchor clamps.
Background
Lithium ion batteries are required to undergo various performance tests in the production process, such as a safety performance test, a short-term electrical performance test and a long-term electrical performance test. The lithium ion battery can have the condition that the surface temperature of the battery cell fluctuates in the test process, for example, the lithium ion battery can generate heat in the charging and discharging process under the normal temperature condition, so that the lithium ion battery can generate heat, and the heat can be dissipated, so that the temperature of the battery cell fluctuates.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cylinder electricity core anchor clamps for solve among the prior art defect that cylinder electricity core electric core heat lost in the testing process.
The utility model provides a cylinder electricity core anchor clamps, include: the clamping device comprises a first clamping block, a second clamping block and a clamping mechanism, wherein the first clamping block is provided with a first circular arc-shaped groove; the first clamping block and the second clamping block are overlapped, so that the first arc-shaped groove and the second arc-shaped groove are oppositely arranged to form an accommodating cavity, and the accommodating cavity is used for accommodating the cylindrical battery cell; wherein, first grip block with the second grip block can dismantle the connection.
According to the utility model, the number of the first arc-shaped grooves and the second arc-shaped grooves is multiple; the first arc-shaped grooves are arranged along the length direction of the first clamping block, the second arc-shaped grooves are arranged along the length direction of the second clamping block, and each first arc-shaped groove is opposite to one second arc-shaped groove so as to form a plurality of accommodating cavities.
According to the utility model provides a pair of cylinder electricity core anchor clamps, first convex recess is followed the length direction of first convex recess runs through the both sides of first grip block, the convex recess of second is followed the length direction of the convex recess of second runs through the both sides of second grip block, so that cylinder electricity core place in back in the holding cavity, the positive terminal and the negative terminal of cylinder electricity core expose in first grip block with the outside of second grip block.
According to the utility model provides a pair of cylinder electricity core anchor clamps, first convex recess with the convex recess of second is semicircular groove, two semicircular groove constructs the diameter of holding cavity with the diameter of cylinder electricity core equals.
According to the utility model provides a pair of cylinder electricity core anchor clamps still includes a plurality of temperature sensor, and is a plurality of temperature sensor be used for set up in upper surface, side and the lower surface of cylinder electricity core.
According to the utility model provides a pair of cylinder electricity core anchor clamps still includes many temperature sensing lines, first grip block is equipped with at least one through-hole, every through-hole and one first convex recess intercommunication, every wear to be equipped with many in the through-hole the temperature sensing line, the temperature sensing line be used for with cylinder electricity core is connected.
According to the utility model provides a pair of cylinder electricity core anchor clamps, every the through-hole is used for wearing to establish three the temperature sensing line.
According to the utility model provides a pair of cylinder electricity core anchor clamps still includes multiunit adjusting part, multiunit adjusting part set up in around first grip block, adjusting part is used for connecting first grip block with the second grip block, and right first grip block with clearance between the second grip block is adjusted.
According to the utility model provides a pair of cylinder electricity core anchor clamps, every group the adjusting part includes: the first clamping block is provided with a first threaded hole, the second clamping block is provided with a second threaded hole, the first threaded hole and the second threaded hole are located on the same straight line, and the bolt is inserted into the first threaded hole and the second threaded hole; and the nut is matched with the bolt to adjust the gap between the first clamping block and the second clamping block.
The utility model provides a cylinder electricity core anchor clamps, through seting up first convex recess on first grip block, set up the convex recess of second on the second grip block, first convex recess constructs the holding cavity of cylinder electricity core with the convex recess of second, examine time measuring in the performance to cylinder electricity core, first grip block and second grip block play the heat preservation effect to cylinder electricity core, prevent the heat dissipation that cylinder electricity core charge-discharge in-process produced, do benefit to the temperature variation value of collecting more accurate cylinder electricity core surface, the accuracy of cylinder electricity core performance detection has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cylindrical battery cell clamp provided by the present invention;
reference numerals:
10: a first clamping block; 11: a first circular arc-shaped groove; 12: a through hole; 20: a second clamping block; 21: a second circular arc-shaped groove; 31: a bolt; 32: and a nut.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The features of the terms first and second in the description and in the claims of the present invention may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The cylindrical battery cell clamp of the present invention is described below with reference to fig. 1.
As shown in fig. 1, in the embodiment of the present invention, the cylindrical battery cell clamp includes: a first clamping block 10 and a second clamping block 20. The first clamping block 10 and the second clamping block 20 are overlapped, and the first clamping block 10 and the second clamping block 20 are detachably connected. The first clamping block 10 is provided with a first arc-shaped groove 11, the second clamping block 20 is provided with a second arc-shaped groove 21, and the first arc-shaped groove 11 and the second arc-shaped groove 21 are arranged oppositely to form an accommodating cavity of the cylindrical battery cell.
Specifically, in this embodiment, the first clamping block 10 is provided with a first circular arc-shaped groove 11, the second clamping block 20 is provided with a second circular arc-shaped groove 21, and the first circular arc-shaped groove 11 and the second circular arc-shaped groove 21 are oppositely disposed to form an accommodating cavity for accommodating the cylindrical battery cell. When the cylindrical battery core is tested, the cylindrical battery core is firstly placed in the second arc-shaped groove 21 of the second clamping block 20, and then the first clamping block 10 and the second clamping block 20 are fixed, so that the cylindrical battery core is placed in a clamp formed by the first clamping block 10 and the second clamping block 20. When carrying out performance detection to cylinder electricity core, the cladding of first grip block 10 and second grip block 20 plays heat retaining effect in the outside of cylinder electricity core to can prevent the heat dissipation that cylinder electricity core charge-discharge in-process produced, do benefit to and collect the more temperature variation value on accurate cylinder electricity core surface.
Further, in this embodiment, the diameter of the accommodating cavity formed by the first circular arc-shaped groove 11 and the second circular arc-shaped groove 21 may be equal to the diameter of the cylindrical battery core, or slightly larger than the diameter of the cylindrical battery core.
The embodiment of the utility model provides a cylinder electricity core anchor clamps, through set up first convex recess on first grip block, set up the convex recess of second on the second grip block, first convex recess constructs the holding cavity of cylinder electricity core with the convex recess of second, examine time measuring in the performance to cylinder electricity core, first grip block and second grip block play the heat preservation effect to cylinder electricity core, prevent the heat dissipation that cylinder electricity core charge-discharge in-process produced, do benefit to the temperature variation value of collecting more accurate cylinder electricity core surface, the accuracy of cylinder electricity core performance detection has been improved.
In an embodiment of the present invention, the number of the first circular arc grooves 11 and the second circular arc grooves 21 is plural. The first circular arc-shaped grooves 11 are arranged along the length direction of the first clamping block 10, the second circular arc-shaped grooves 21 are arranged along the length direction of the second clamping block 20, and each first circular arc-shaped groove 11 and one second circular arc-shaped groove 21 are arranged oppositely to form a plurality of accommodating cavities.
Specifically, a plurality of first circular arc-shaped grooves 11 may also be formed in the first clamping block 10, and correspondingly, a plurality of second circular arc-shaped grooves 21 may be formed in the second clamping block 20, so that when the first clamping block 10 is connected to the second clamping block 20, a plurality of accommodating cavities may be formed, and each accommodating cavity is independent of each other, so as to perform a heat-preserving function on each cylindrical battery cell, thereby performing a performance test on a plurality of cylindrical battery cells simultaneously.
Further, in the embodiment of the present invention, the first circular arc groove 11 runs through both sides of the first clamping block 10 along the length direction of the first circular arc groove 11, and the second circular arc groove 21 runs through both sides of the second clamping block 20 along the length direction of the second circular arc groove 21, so that after the cylindrical battery cell is placed in the accommodating cavity, the positive terminal and the negative terminal of the cylindrical battery cell are exposed outside the first clamping block 10 and the second clamping block 20.
Specifically, in this embodiment, each of the first circular arc-shaped groove 11 and the second circular arc-shaped groove 21 is a through groove, and when the cylindrical battery cell is placed in the accommodating cavity, the positive electrode terminal and the negative electrode terminal of the cylindrical battery cell may be connected to other external devices, so that the cylindrical battery cell is conductive.
Further, in an embodiment of the present invention, the first circular arc groove 11 and the second circular arc groove 21 are semicircular grooves, and the diameter of the accommodating cavity formed by the two semicircular grooves is equal to the diameter of the cylindrical battery cell.
Particularly, when the diameter of holding cavity equals with the diameter of cylinder electricity core, can play the heat preservation effect better to prevent that the heat from losing, collect the more accurate temperature variation value on cylinder electricity core surface.
Optionally, in an embodiment of the present invention, the cylindrical battery cell clamp further includes a plurality of temperature sensors, and the plurality of temperature sensors are disposed on the upper surface, the side surface, and the lower surface of the cylindrical battery cell.
Particularly, a plurality of temperature sensors set up upper surface, side and the lower surface at cylinder electricity core respectively to detect cylinder electricity core charge-discharge in-process, cylinder electricity core upper portion, middle part and the temperature variation value of lower part.
Optionally, in an embodiment of the present invention, the cylindrical battery cell clamp further includes a plurality of temperature sensing wires. The first clamping block 10 is provided with at least one through hole 12, each through hole 12 is communicated with one first arc-shaped groove 11, a plurality of temperature sensing lines penetrate through each through hole 12, and the temperature sensing lines are used for being connected with the cylindrical battery core.
Specifically, when the first clamping block 10 is provided with one first circular arc-shaped groove 11, the number of the through holes 12 is also one, and the through holes 12 are communicated with the first circular arc-shaped groove 11, so that the temperature sensing line can be connected with the cylindrical battery cell through the through holes 12 to collect the temperature of the cylindrical battery cell. When the first clamping block 10 is provided with the plurality of first circular arc-shaped grooves 11, the number of the through holes 12 is matched with that of the first circular arc-shaped grooves 11, and each through hole 12 is communicated with one first circular arc-shaped groove 11, so that the temperature sensing line can be connected with the cylindrical battery cell placed in the accommodating cavity.
Further, the utility model discloses an in the embodiment, wear to be equipped with three temperature-sensitive lines in every through-hole 12, three temperature-sensitive lines are connected with the upper surface of cylinder electricity core, side and lower surface respectively to carry out temperature-detecting to the upper portion, middle part and the lower part of cylinder electricity core.
As shown in fig. 1, in the embodiment of the present invention, the cylindrical battery cell fixture further includes a plurality of sets of adjusting assemblies. The multiple groups of adjusting assemblies are arranged around the first clamping block 10 and are used for connecting the first clamping block 10 and the second clamping block 20 and adjusting the gap between the first clamping block 10 and the second clamping block 20.
Specifically, in this embodiment, the number of the adjusting assemblies is 4, the 4 adjusting assemblies are respectively disposed at four corners of the first clamping block 10, the adjusting assemblies penetrate through the first clamping block 10 and then are connected to the second clamping block 20, and when the adjusting assemblies are adjusted, the gap between the first clamping block 10 and the second clamping block 20 can be reduced or enlarged, so that the first clamping block 10 and the second clamping block 20 are abutted or loosened.
Further, in the embodiment of the present invention, the adjusting assembly includes: a bolt 31 and a nut 32. The first clamping block 10 is provided with a first threaded hole, the second clamping block 20 is provided with a second threaded hole, the first threaded hole and the second threaded hole are located on the same straight line, and the bolt 31 is inserted into the first threaded hole and the second threaded hole. The nut 32 is engaged with the bolt 31 to adjust the gap between the first and second clamping blocks 10 and 20.
Specifically, the first clamping block 10 and the second clamping block 20 are connected by the bolt 31, and when the nut 32 is screwed, the gap between the first clamping block 10 and the second clamping block 20 can be adjusted, so that the tightness between the first clamping block 10 and the second clamping block 20 can be adjusted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. The utility model provides a cylinder electricity core anchor clamps which characterized in that includes:
the clamping device comprises a first clamping block, a second clamping block and a clamping mechanism, wherein the first clamping block is provided with a first circular arc-shaped groove;
the first clamping block and the second clamping block are overlapped, so that the first arc-shaped groove and the second arc-shaped groove are oppositely arranged to form an accommodating cavity, and the accommodating cavity is used for accommodating the cylindrical battery cell;
wherein, first grip block with the second grip block is detachable to be connected.
2. The cylindrical cell clamp of claim 1, wherein the first and second arc-shaped grooves are plural in number;
the first arc-shaped grooves are arranged along the length direction of the first clamping block, the second arc-shaped grooves are arranged along the length direction of the second clamping block, and each first arc-shaped groove is opposite to one second arc-shaped groove so as to form a plurality of accommodating cavities.
3. The cylindrical battery cell clamp of claim 1 or 2, wherein the first circular arc-shaped groove penetrates through two sides of the first clamping block along a length direction of the first circular arc-shaped groove, and the second circular arc-shaped groove penetrates through two sides of the second clamping block along a length direction of the second circular arc-shaped groove, so that after the cylindrical battery cell is placed in the accommodating cavity, a positive terminal and a negative terminal of the cylindrical battery cell are exposed outside the first clamping block and the second clamping block.
4. The cylindrical cell clamp of claim 1, wherein the first and second circular arc-shaped grooves are semicircular grooves, and a diameter of the accommodating cavity formed by the two semicircular grooves is equal to a diameter of the cylindrical cell.
5. The cylindrical cell clamp of claim 1 or 2, further comprising a plurality of temperature sensors, wherein the plurality of temperature sensors are configured to be disposed on an upper surface, a side surface, and a lower surface of the cylindrical cell.
6. The cylindrical battery cell clamp according to claim 1 or 2, further comprising a plurality of temperature-sensitive wires, wherein the first clamping block is provided with at least one through hole, each through hole is communicated with one of the first circular arc-shaped grooves, a plurality of temperature-sensitive wires are arranged in each through hole in a penetrating manner, and the temperature-sensitive wires are used for being connected with the cylindrical battery cell.
7. The cylindrical cell clamp of claim 6, wherein each through hole is configured to penetrate three temperature-sensitive wires.
8. The cylindrical cell clamp of claim 1, further comprising a plurality of sets of adjusting assemblies, the plurality of sets of adjusting assemblies being disposed around the first clamping block, the adjusting assemblies being configured to connect the first clamping block and the second clamping block and adjust a gap between the first clamping block and the second clamping block.
9. The cylindrical cell clamp of claim 8, wherein each set of adjustment assemblies comprises:
the first clamping block is provided with a first threaded hole, the second clamping block is provided with a second threaded hole, the first threaded hole and the second threaded hole are located on the same straight line, and the bolt is inserted into the first threaded hole and the second threaded hole;
and the nut is matched with the bolt to adjust the gap between the first clamping block and the second clamping block.
CN202222394547.7U 2022-09-08 2022-09-08 Cylindrical battery cell clamp Active CN218298331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222394547.7U CN218298331U (en) 2022-09-08 2022-09-08 Cylindrical battery cell clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222394547.7U CN218298331U (en) 2022-09-08 2022-09-08 Cylindrical battery cell clamp

Publications (1)

Publication Number Publication Date
CN218298331U true CN218298331U (en) 2023-01-13

Family

ID=84813452

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222394547.7U Active CN218298331U (en) 2022-09-08 2022-09-08 Cylindrical battery cell clamp

Country Status (1)

Country Link
CN (1) CN218298331U (en)

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