CN215299461U - Battery package pencil short circuit protective structure - Google Patents
Battery package pencil short circuit protective structure Download PDFInfo
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- CN215299461U CN215299461U CN202121066269.1U CN202121066269U CN215299461U CN 215299461 U CN215299461 U CN 215299461U CN 202121066269 U CN202121066269 U CN 202121066269U CN 215299461 U CN215299461 U CN 215299461U
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- arm
- battery pack
- overcurrent
- fuse
- wire harness
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a battery pack wiring harness short circuit protection structure, which comprises a nickel sheet body connected with a battery pack; the nickel sheet body is provided with a plurality of spot welding grooves and a connecting lug which extends out of one end and is connected with the collecting wire harness; the connecting lug comprises a wire harness welding platform and an overcurrent fusing arm; the overcurrent fuse arm has a safe state and a fuse state, and when the overcurrent fuse arm is in the safe state, the output current of the battery pack is transmitted to the acquisition wiring harness through the overcurrent fuse arm; when the fuse is in a fusing state, the overcurrent fuse arm is fused by the output current of the battery pack, so that the overcurrent fuse arm is disconnected. The utility model discloses a be equipped with on the wire harness welding platform and overflow fusing arm, effectually avoided abnormal conditions such as open circuit to transmit electric core with high temperature on, carried out effectual promotion to the security of group battery.
Description
Technical Field
The utility model relates to a lithium cell technical field especially involves a battery package pencil short circuit protective structure.
Background
With the progress and development of society, the use and requirements of power battery products are more and more diversified. Along with the application of the wire harness in the product is more and more, how to design a structure to prevent the wire harness in the product from being damaged by crushing and short-circuiting the battery pack body in the use process is an important issue to be considered in design.
In the existing battery pack product, in the process of welding a connecting sheet by a wire harness, the wire harness is directly welded at the welding position of the connecting sheet, and the wire harness is extremely easy to generate overcurrent high temperature in the process of short circuit between the wire harness and other positions.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point among the above-mentioned prior art and provide a battery package pencil short circuit protective structure that connection security is higher.
The utility model discloses a realize through following mode:
the utility model provides a battery package pencil short circuit protective structure which characterized in that: comprises a nickel sheet body used for connecting with a battery pack; the nickel sheet body is provided with a plurality of spot welding grooves and a connecting lug which extends out of one end and is connected with the collecting wire harness; the connecting lug comprises a wire harness welding platform and an overcurrent fusing arm; the overcurrent fuse arm has a safe state and a fuse state, and when the overcurrent fuse arm is in the safe state, the output current of the battery pack is transmitted to the acquisition wiring harness through the overcurrent fuse arm; when the fuse is in a fusing state, the overcurrent fuse arm is fused by the output current of the battery pack, so that the overcurrent fuse arm is disconnected.
Furthermore, a punching groove is formed in the wire harness welding platform; the punching groove is U-shaped, and two opposite straight grooves of the U-shaped groove extend outwards to form a convex groove so as to form an overflowing fusing arm with a narrow width with the edge of the wire harness welding platform.
Furthermore, the spot welding groove is I-shaped.
Furthermore, the width of the overcurrent fuse arm is 1-5 mm.
Further, the width of the overcurrent fuse arm is 3 mm.
The beneficial effects of the utility model reside in that: through being equipped with on the wire harness welding platform and overflowing fusing arm, effectually avoided unusual circumstances such as open circuit to transmit the electric core with high temperature on, carried out effectual promotion to the security of group battery.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of the part A of the structure of the present invention;
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments 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 work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1-2, a battery pack harness short-circuit protection structure is characterized in that: comprises a nickel sheet body 100 for connecting with a battery pack; the nickel sheet body 100 is provided with a plurality of spot welding grooves 101 and a connecting lug 102, one end of which extends out and is connected with the acquisition wire harness; the connecting lug 102 comprises a wire harness welding platform 103 and an overcurrent fusing arm 104; the overcurrent fuse arm 104 has a safe state and a fuse state, and when the overcurrent fuse arm 104 is in the safe state, the output current of the battery pack is transmitted to the collection wire harness through the overcurrent fuse arm 104; when the fuse is in a fusing state, the output current of the battery pack fuses the overcurrent fusing arm 104, so that the overcurrent fusing arm 104 is disconnected.
In an embodiment of the present invention, a punching groove 105 is disposed on the wire harness welding platform 103; the punching groove 105 is U-shaped, and two opposite straight grooves of the U-shaped groove extend outward to form a convex groove 106 so as to form an overcurrent fusing arm 104 with a narrow width with the edge of the wire harness welding platform 103.
The utility model discloses an in the embodiment, be equipped with towards hole groove 105 on pencil welded platform 103, towards hole groove 105 makes the limit portion of pencil welded platform 103 form the narrower fusing arm 104 that overflows of width, overflow fusing arm 104 if only produce in the unilateral, then overflow fusing arm 104 is pencil welded platform 103 and nickel piece body 100's only tie point, if overflow fusing arm 104 produces in relative both sides, then its width keeps unanimous to can effectually fuse when making to open circuit and taking place.
In an embodiment of the present invention, the spot welding groove 101 is an i-shaped groove.
In an embodiment of the present invention, the width of the over-current fusing arm 104 is 1-5 mm.
In an embodiment of the present invention, the width of the over-current fusing arm 104 is 3 mm.
The utility model discloses a be equipped with on the wire harness welding platform and overflow fusing arm, effectually avoided abnormal conditions such as open circuit to transmit electric core with high temperature on, carried out effectual promotion to the security of group battery.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a battery package pencil short circuit protective structure which characterized in that: comprises a nickel sheet body (100) for connecting with a battery pack; the nickel sheet body (100) is provided with a plurality of spot welding grooves (101) and a connecting lug (102) with one end extending out and connected with the acquisition wire harness; the connecting lug (102) comprises a wire harness welding platform (103) and an overcurrent fusing arm (104); the overcurrent fuse arm (104) has a safe state and a fuse state, and when the overcurrent fuse arm (104) is in the safe state, the output current of the battery pack is transmitted to the acquisition wiring harness through the overcurrent fuse arm (104); when the fuse-type battery pack is in a fuse state, the overcurrent fuse arm (104) is fused by the output current of the battery pack, so that the overcurrent fuse arm (104) is disconnected.
2. The battery pack harness short-circuit protection structure of claim 1, wherein: a punching groove (105) is formed in the wire harness welding platform (103); the punching groove (105) is U-shaped, and two opposite straight grooves of the U-shaped groove extend outwards to form a convex groove (106) so as to form an overcurrent fusing arm (104) with a narrow width with the edge of the wire harness welding platform (103).
3. The battery pack harness short-circuit protection structure of claim 1, wherein: the spot welding groove (101) is I-shaped.
4. The battery pack harness short-circuit protection structure according to claim 2, wherein: the width of the overcurrent fuse arm (104) is 1-5 mm.
5. The battery pack harness short-circuit protection structure according to claim 4, wherein: the width of the overcurrent fuse arm (104) is 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121066269.1U CN215299461U (en) | 2021-05-18 | 2021-05-18 | Battery package pencil short circuit protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121066269.1U CN215299461U (en) | 2021-05-18 | 2021-05-18 | Battery package pencil short circuit protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215299461U true CN215299461U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121066269.1U Active CN215299461U (en) | 2021-05-18 | 2021-05-18 | Battery package pencil short circuit protective structure |
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| Country | Link |
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| CN (1) | CN215299461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023207619A1 (en) * | 2022-04-29 | 2023-11-02 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and secondary utilization method for wire harness of battery |
-
2021
- 2021-05-18 CN CN202121066269.1U patent/CN215299461U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023207619A1 (en) * | 2022-04-29 | 2023-11-02 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and secondary utilization method for wire harness of battery |
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