CN212062569U - Protective cap on battery pack and battery pack - Google Patents
Protective cap on battery pack and battery pack Download PDFInfo
- Publication number
- CN212062569U CN212062569U CN202020820730.7U CN202020820730U CN212062569U CN 212062569 U CN212062569 U CN 212062569U CN 202020820730 U CN202020820730 U CN 202020820730U CN 212062569 U CN212062569 U CN 212062569U
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- China
- Prior art keywords
- copper bar
- protective cap
- tail end
- negative
- walls
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a protective cap on a battery pack and the battery pack, wherein, the protective cap comprises a base plate, a first enclosure wall and a second enclosure wall; the substrate is provided with a first surface and a second surface which are opposite; the two first surrounding walls are arranged on the first surface of the substrate at intervals, one ends of the two first surrounding walls are fixed with the first surface, and the other ends of the two first surrounding walls are used for respectively covering the tail end of the positive copper bar and the tail end of the negative copper bar in an adaptive manner; the second leg has two, and two second legs set up respectively in two first legs correspondingly, and the one end of two second legs all is fixed with first face, and the other end of two second legs is the open end of second to make in positive pole connecting piece and the negative pole connecting piece imbed two second legs respectively the adaptation. The utility model discloses can prevent effectively that the operation personnel from electrocuting, guarantee the safety of operation personnel and battery package.
Description
Technical Field
The utility model belongs to the technical field of the battery package technique and specifically relates to a helmet and battery package on battery package are related to.
Background
Along with the improvement of the life quality of people, the popularization rate of vehicles is higher and higher, and meanwhile, along with the improvement of environmental protection consciousness, new energy automobiles such as hybrid electric vehicles and pure electric vehicles are greatly developed. The power battery is used as a power source of the new energy automobile, and the quality of the performance of the power battery is crucial to the endurance mileage and the power performance of the new energy automobile. For example, the power battery generally has characteristics of large capacity, high voltage (200V to 400V), and the like due to requirements for the driving range, output power, and the like of the whole vehicle. For high voltage power battery packs, the safety considerations require that the electrical components and circuits within the power battery system must meet the IPXXB protection level.
The high-voltage output connector (namely, the high-voltage connector) and the output copper bar (namely, the positive copper bar and the negative copper bar) of the conventional power battery pack are directly connected by adopting the conductive bolt, and the joint of the high-voltage output connector and the output copper bar is exposed, so that after the relay is adhered and loses efficacy, an operator can touch the exposed high-voltage part by fingers during operation to cause electric shock danger, or a tool drops to the exposed part during operation to cause fire striking danger.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a protective cap for a battery pack, which can effectively prevent operators from getting an electric shock and ensure the safety of the operators and the battery pack.
According to the utility model discloses helmet on battery package, battery package includes box, high-voltage connector, anodal copper bar, negative pole copper bar, anodal connecting piece and negative pole connecting piece, the high-voltage connector cooperation is on the box, the tail end of anodal copper bar and the tail end of negative pole copper bar respectively correspondingly through the anodal connecting piece with the screw up of negative pole connecting piece fix on anodal end and the negative pole end of high-voltage connector; the helmet includes:
a substrate having opposing first and second faces;
two first surrounding walls are arranged on the first surface of the substrate at intervals, one ends of the two first surrounding walls are fixed to the first surface, and the other ends of the two first surrounding walls are used for respectively covering the tail end of the positive copper bar and the tail end of the negative copper bar in an adaptive manner;
the second leg, the second leg has two, two the second leg sets up respectively correspondingly two in the first leg, two the one end of second leg all with first face is fixed, two the other end of second leg is the second opening end, so that the head of anodal connecting piece with the head of negative pole connecting piece imbeds two respectively the adaptation in the second leg.
According to the protecting cap on the battery pack of the embodiment of the utility model, when the protecting cap is installed on the battery pack, the head of the anode connecting piece and the head of the cathode connecting piece are respectively embedded into the two second walls from the second open ends of the two second walls of the protecting cap, and simultaneously, the other ends of the two first walls are respectively covered on the tail end of the anode copper bar and the tail end of the cathode copper bar in a matching way, thereby, the head of the anode connecting piece and the head of the cathode connecting piece which are generally exposed are respectively covered and isolated by the two second walls and the base plate, the tail end of the anode copper bar and the tail end of the cathode copper bar which are generally exposed are respectively covered and isolated by the two first walls and the base plate, thereby realizing the protection grade of IPXXB at the junction between the high-voltage connector and the anode copper bar and the cathode copper bar, and increasing the electric gap between the output anode copper bar and the cathode copper bar, therefore, after the relay fails, the condition that the tail end of the positive electrode copper bar, the tail end of the negative electrode copper bar, the head of the positive electrode connecting piece or the head of the negative electrode connecting piece with high voltage can be effectively prevented from being touched by fingers of an operator during operation, so that electric shock danger is avoided, and the safety of an operator is ensured; and when the operation is operated, the tool drops and can not touch the tail end of the anode copper bar, the tail end of the cathode copper bar, the head of the anode connecting piece or the head of the cathode connecting piece with high voltage, so that the danger of sparking is effectively avoided. In addition, through the head cooperation of one of two second leg and positive pole connecting piece and through another second leg and the head cooperation of negative pole connecting piece in two second legs, can carry out the installation of fixing a position fast to the helmet.
In some embodiments, the first wall has a square frame shape and the second wall has a round frame shape.
In some embodiments, a gap is formed between the other end of one of the two first walls and the tail end of the positive copper bar, and a gap is formed between the other end of the other of the two first walls and the tail end of the negative copper bar.
In some embodiments, a plurality of first reinforcing ribs are provided on the inner side surfaces of the two second surrounding walls, or a plurality of first reinforcing ribs are provided on the outer side surfaces of the two second surrounding walls.
In some embodiments, the protective cap further comprises a second reinforcing rib, and the second reinforcing rib is connected to the first face of the substrate, the first surrounding wall and the second surrounding wall, respectively.
In some embodiments, the protective cap further includes two elastic hooks, and the two elastic hooks are respectively far away from and fixed on the two first walls opposite to each other, so as to be respectively fixed with the hook on the tail end of the positive copper bar and the hook on the tail end of the negative copper bar in an interference fit manner.
In some embodiments, the protective cap further comprises a separation plate, wherein the separation plate is located between the two first surrounding walls, so that the two first surrounding walls are respectively located at two opposite sides of the separation plate.
Further, a wire harness passage for leading out a wire harness is arranged between one of the two first surrounding walls and the isolation plate and between the other of the two first surrounding walls and the isolation plate.
In some embodiments, a third stiffener is disposed on the second side of the substrate.
The utility model also provides a battery package.
According to the utility model discloses battery package, including the helmet on the battery package of any one of above-mentioned embodiment.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of an assembly process of a protective cap on a battery pack of an embodiment of the present invention mounted on the battery pack.
Fig. 2 is an assembled schematic view of a helmet on a battery pack according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an orientation of a protective cap on a battery pack according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of another orientation of the protective cap on the battery pack according to the embodiment of the present invention.
Reference numerals:
Case 1
High-voltage connector 2
Positive electrode connecting member 5
Negative electrode connecting piece 6
A second open end 7031 of the second surrounding wall 703 and a first reinforcing rib 7032
Second reinforcing rib 704
Harness channel 707
Third reinforcing bead 708
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A protective cap 1000 on a battery pack according to an embodiment of the present invention is described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, according to the helmet 1000 on the battery pack of the embodiment of the present invention, the battery pack 2000 includes a box body 1, a high voltage connector 2, a positive copper bar 3, a negative copper bar 4, a positive connector 5, and a negative connector 6; the high-voltage connector 2 is fitted on the case 1, for example, the high-voltage connector 2 may be directly fixed on the case 1, or may be fitted in a hole on the case 1 and fixed on another component of the battery pack 2000; the tail end of the positive copper bar 3 and the tail end of the negative copper bar 4 are respectively and correspondingly screwed and fixed on the positive end and the negative end of the high-voltage connector 2 through the positive connecting piece 5 and the negative connecting piece 6, and the positive connecting piece 5 and the negative connecting piece 6 can be threaded connecting pieces such as bolts and can also be riveting pieces. The helmet 1000 includes: the array substrate comprises a substrate 701, a first wall 702 and a second wall 703, wherein the substrate 701 has a first side 7011 and a second side 7012 which are opposite; two first surrounding walls 702 are arranged on the first surface 7011 of the substrate 701 at intervals, one ends of the two first surrounding walls 702 are fixed to the first surface 7011, and the other ends of the two first surrounding walls 702 are used for respectively covering the tail end of the positive copper bar 3 and the tail end of the negative copper bar 4 in an adaptive manner; preferably, the other ends of the two first surrounding walls 702 are both first open ends 7021, so that the weight of the helmet is light; the number of the second surrounding walls 703 is two, the two second surrounding walls 703 are respectively and correspondingly disposed in the two first surrounding walls 702, one end of each of the two second surrounding walls 703 is fixed to the first surface 7011, and the other end of each of the two second surrounding walls 703 is a second open end 7031, so that the head of the positive connector 5 and the head of the negative connector 6 are respectively and adaptively embedded into the two second surrounding walls 703.
According to the protection cap 1000 on the battery pack 2000 of the embodiment of the present invention, when being installed on the battery pack 2000, the head of the positive electrode connector 5 and the head of the negative electrode connector 6 are respectively embedded into the two second walls 703 from the second open ends 7031 of the two second walls 703 of the protection cap 1000, and simultaneously, the other ends of the two first walls 702 are respectively covered on the tail end of the positive electrode copper bar 3 and the tail end of the negative electrode copper bar 4 in a matching manner, so that the head of the positive electrode connector 5 and the head of the negative electrode connector 6, which are usually exposed, are respectively covered and isolated by the two second walls 703 and the substrate 701, and the tail end of the positive electrode copper bar 3 and the tail end of the negative electrode copper bar 4, which are usually exposed, are respectively covered and isolated by the two first walls 702 and the substrate 701, thereby realizing the protection level of IPXXB at the junction between the high voltage connector 2 and the positive electrode copper bar and the, the electric gap between the output positive copper bar and the output negative copper bar is increased, so that after the relay is failed, the situation that the tail end of the positive copper bar 3 with high voltage, the tail end of the negative copper bar 4, the head of the positive connecting piece 5 or the head of the negative connecting piece 6 are touched by fingers of an operator during operation can be effectively avoided, the electric shock hazard is avoided, and the safety of the operator is ensured; and when the tool is dropped during operation, the tool cannot touch the tail end of the positive copper bar 3 with high voltage, the tail end of the negative copper bar 4, the head of the positive connecting piece 5 or the head of the negative connecting piece 6, so that the risk of fire striking is effectively avoided. In addition, the protective cap 1000 can be quickly positioned and mounted by the engagement of one second surrounding wall 703 of the two second surrounding walls 703 with the head of the positive connector 5 and the engagement of the other second surrounding wall 703 of the two second surrounding walls 703 with the head of the negative connector 6.
As shown in fig. 3, in some embodiments, the first wall 702 is substantially square and can match the shape of the square profile of the tail end of the positive copper bar 3 and the square profile of the tail end of the negative copper bar 4; the second surrounding walls 703 are substantially in the shape of a circular frame, and can be adapted to the shapes of the outer peripheral surfaces of the heads of the positive connecting pieces 5 and the negative connecting pieces 6, so that the positive connecting pieces 5 and the negative connecting pieces 6 can be respectively embedded into the two second surrounding walls 703 in a one-to-one correspondence manner, and the installation is convenient and firm.
In some embodiments, a gap is formed between the other end of one of the two first wall walls 702 and the tail end of the positive copper bar 3, and a gap is formed between the other end of the other of the two first wall walls 702 and the tail end of the negative copper bar 4. Therefore, the installation is convenient.
As shown in fig. 3, in some embodiments, a plurality of first reinforcing ribs 7032 are provided on the inner side surfaces of the two second surrounding walls 703, so that the strength of the two first surrounding walls 702 is increased, and the first surrounding walls 702 are not easily damaged.
Further, the extending direction of the first reinforcing rib 7032 may be the same as the length direction of the second surrounding wall 703, one end of the first reinforcing rib 7032 extends to the first surface 7011 of the substrate 701, and the width of the first reinforcing rib 7032 in the circumferential direction of the second surrounding wall 703 gradually narrows from one end of the second surrounding wall 703 to the other end, that is, to a different portion of the second open end 7031, so that the guiding function when the head of the positive connector 5 and the head of the negative connector are embedded into the two second surrounding walls 703 can be achieved, and meanwhile, the strength of the two first surrounding walls 702 is increased, so that the first surrounding walls 702 are not easily damaged.
In some embodiments, a plurality of first reinforcing ribs are disposed on the outer side surfaces of the two second surrounding walls 703, thereby increasing the strength of the two first surrounding walls 702, so that the first surrounding walls 702 are not easily damaged.
As shown in fig. 3, in some embodiments, the protective cap 1000 further comprises a second reinforcing rib 704, and the second reinforcing rib 704 is connected to the first side 7011 of the substrate 701, the first surrounding wall 702, and the second surrounding wall 703, respectively. Thereby, the overall structural strength of the helmet 1000 is increased.
As shown in fig. 1 to 4, in some embodiments, the protective cap 1000 further includes two elastic hooks 705, where the two elastic hooks 705 are respectively far away from and fixed to the two first walls 702 opposite to each other, and are respectively used for being fixed to the tail end of the positive copper bar 3 and the tail end of the negative copper bar 4 in an interference fit manner. The two elastic clamping hooks 705 are respectively clamped on the clamping hook at the tail end of the positive copper bar 3 and the clamping hook at the tail end of the negative copper bar 4 in an interference fit manner, so that the protective cap 1000 is more firmly installed and is not easy to loosen and drop.
As shown in fig. 3, in some embodiments, the protective cap 1000 further comprises a separation plate 706, the separation plate 706 being located between the two first walls 702 such that the two first walls 702 are located on opposite sides of the separation plate 706. Therefore, the electric clearance and creepage distance between the positive circuit and the negative circuit are effectively increased.
As shown in fig. 3, further, a harness passage 707 for harness lead-out is provided between one of the two first surrounding walls 702 and the partition plate 706 and between the other of the two first surrounding walls 702 and the partition plate 706, so that the interlocked harness lead-out of the high-voltage connector 2 can be ensured.
As shown in fig. 1 and 4, in some embodiments, the second side 7012 of the substrate 701 is provided with the third reinforcing rib 708, thereby increasing the strength of the substrate 701.
As shown in fig. 1 to 4, the present invention also provides a battery pack 2000.
A battery pack 2000 according to an embodiment of the present invention includes a protective cap 1000 on the battery pack of any of the above embodiments.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A protective cap on a battery pack is characterized in that the battery pack comprises a box body, a high-voltage connector, a positive copper bar, a negative copper bar, a positive connecting piece and a negative connecting piece, wherein the high-voltage connector is matched on the box body, and the tail end of the positive copper bar and the tail end of the negative copper bar are respectively and correspondingly screwed and fixed on the positive end and the negative end of the high-voltage connector through the positive connecting piece and the negative connecting piece; the helmet includes:
a substrate having opposing first and second faces;
two first surrounding walls are arranged on the first surface of the substrate at intervals, one ends of the two first surrounding walls are fixed to the first surface, and the other ends of the two first surrounding walls are used for respectively covering the tail end of the positive copper bar and the tail end of the negative copper bar in an adaptive manner;
the second leg, the second leg has two, two the second leg sets up respectively correspondingly two in the first leg, two the one end of second leg all with first face is fixed, two the other end of second leg is the second opening end, so that the head of anodal connecting piece with the head of negative pole connecting piece imbeds two respectively the adaptation in the second leg.
2. The protective cap of claim 1, wherein the first wall is square and the second wall is round.
3. The protective cap of claim 1, wherein a gap is formed between the other end of one of the two first walls and the tail end of the positive copper bar, and a gap is formed between the other end of the other of the two first walls and the tail end of the negative copper bar.
4. The protective cap on a battery pack according to claim 1, wherein a plurality of first reinforcing ribs are provided on the inner side surfaces of the two second peripheral walls, or a plurality of first reinforcing ribs are provided on the outer side surfaces of the two second peripheral walls.
5. The protective cap of claim 1, further comprising a second rib, the second rib being connected to the first surface of the base plate, the first wall, and the second wall, respectively.
6. The protective cap of claim 1, further comprising two elastic hooks, wherein the two elastic hooks are fixed on the two first walls far away from each other and opposite to each other, respectively, for fixing with the hook on the tail end of the positive copper bar and the hook on the tail end of the negative copper bar in an interference fit manner.
7. The protective cap of claim 1, further comprising a separator plate positioned between the two first peripheral walls such that the two first peripheral walls are positioned on opposite sides of the separator plate.
8. The protective cap on a battery pack according to claim 7, wherein a harness passage for harness lead-out is provided between one of the two first surrounding walls and the separator, and between the other of the two first surrounding walls and the separator.
9. The protective cap of claim 1, wherein a third bead is disposed on the second side of the substrate.
10. A battery pack comprising a protective cap on the battery pack according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020820730.7U CN212062569U (en) | 2020-05-15 | 2020-05-15 | Protective cap on battery pack and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020820730.7U CN212062569U (en) | 2020-05-15 | 2020-05-15 | Protective cap on battery pack and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212062569U true CN212062569U (en) | 2020-12-01 |
Family
ID=73520063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020820730.7U Expired - Fee Related CN212062569U (en) | 2020-05-15 | 2020-05-15 | Protective cap on battery pack and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212062569U (en) |
-
2020
- 2020-05-15 CN CN202020820730.7U patent/CN212062569U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 Termination date: 20210515 |