CN216288787U - Mounting structure and vehicle of battery package - Google Patents
Mounting structure and vehicle of battery package Download PDFInfo
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- CN216288787U CN216288787U CN202122171501.4U CN202122171501U CN216288787U CN 216288787 U CN216288787 U CN 216288787U CN 202122171501 U CN202122171501 U CN 202122171501U CN 216288787 U CN216288787 U CN 216288787U
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- battery pack
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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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Abstract
The utility model relates to the field of vehicles, and discloses a battery pack mounting structure and a vehicle, wherein the battery pack mounting structure comprises a positive battery pack (1) and a negative battery pack (2) which are electrically connected with each other through a plug connector, the positive battery pack (1) and the negative battery pack (2) are respectively detachably mounted on a vehicle body, the positive battery pack (1) is electrically connected to a vehicle positive interface (7), and the negative battery pack (2) is electrically connected to a vehicle negative interface (8). The mounting structure of the battery pack only needs to position the positive battery pack and the negative battery pack into one of the electrode electric connection vehicle positive electrode interface and the vehicle negative electrode interface, and the vehicle positive electrode interface and the vehicle negative electrode interface arranged on the vehicle supply power to a vehicle load, so that the mounting and positioning difficulty of the battery pack is reduced, the battery pack can be conveniently replaced, and the battery pack has high electricity conversion efficiency.
Description
Technical Field
The utility model relates to the field of vehicles, in particular to a mounting structure of a battery pack. On this basis, the utility model also relates to a vehicle comprising the mounting structure of the battery pack.
Background
In the battery replacement type rail transit vehicle, a battery pack is detachably mounted on a vehicle body and is supplied with power from the positive pole and the negative pole, and a vehicle load needs to be electrically connected to the positive pole and the negative pole of the battery pack during battery replacement so as to reliably supply power. This results in the battery package to change inconveniently, influences and trades the electric efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of inconvenient battery pack replacement in the prior art, and provides a battery pack mounting structure which can conveniently replace a battery pack so as to have high power exchange efficiency.
In order to achieve the above object, an aspect of the present invention provides a mounting structure of a battery pack including a positive electrode battery pack and a negative electrode battery pack electrically connected to each other by a plug connector, the positive electrode battery pack and the negative electrode battery pack being detachably mounted on a vehicle body, respectively, the positive electrode battery pack being electrically connected to a vehicle positive electrode interface, and the negative electrode battery pack being electrically connected to a vehicle negative electrode interface.
In some embodiments, the connectors include a positive connector and a negative connector, and the positive battery pack and the negative battery pack are electrically connected to each other through the positive connector and the negative connector, so that the positive battery pack and the negative battery pack are connected in parallel with each other.
In some embodiments, the positive battery pack includes a plurality of first cells therein, the positive electrode of the first cell is electrically connected to the casing of the positive battery pack, and the negative electrode of the first cell is insulated from the casing of the positive battery pack and is electrically connected to the negative battery pack; the negative electrode battery pack comprises a plurality of second battery cells, the negative electrodes of the second battery cells are electrically connected to the shell of the negative electrode battery pack, and the positive electrodes of the second battery cells are insulated relative to the shell of the negative electrode battery pack and are electrically connected to the positive electrode battery pack.
In some embodiments, the vehicle body is provided with a positive battery plate and a negative battery plate which are connected in an insulating manner, the positive battery pack is detachably mounted on the positive battery plate, the negative battery pack is detachably mounted on the negative battery plate, so that a battery pack shell of the positive battery pack is attached to the positive battery plate, a battery pack shell of the negative battery pack is attached to the negative battery plate, the positive battery pack is electrically connected to the vehicle positive interface through the positive battery plate, and the negative battery pack is electrically connected to the vehicle negative interface through the negative battery plate.
In some embodiments, the positive battery pack is detachably mounted on the vehicle body through a self-locking mechanism, and/or the negative battery pack is detachably mounted on the vehicle body through a self-locking mechanism.
In some embodiments, the self-locking mechanism includes a first elastic telescopic mechanism disposed on the vehicle body and a protrusion disposed on the positive battery pack and/or the negative battery pack, and the first elastic telescopic mechanism is configured to be elastically restored to block the protrusion after the corresponding positive battery pack or the negative battery pack is mounted in place.
In some embodiments, the protrusion is tapered in a direction toward the vehicle body, the first elastic telescopic mechanism has a telescopic block biased by a spring, one end of the telescopic block facing the protrusion is formed as an inclined surface against which a side surface of the protrusion can abut to drive the telescopic block to expand and contract against an elastic force of the spring to guide the protrusion to be snapped into a lower side of the telescopic block.
In some embodiments, the self-locking mechanism includes a second elastic telescopic mechanism located on the lower side of the first elastic telescopic mechanism, and after the corresponding positive battery pack or negative battery pack is installed in place, the second elastic telescopic mechanism elastically abuts against the side surface of the protrusion, and the second elastic telescopic mechanism is clamped on the end surface of the protrusion, which is away from the side of the vehicle body.
Preferably, the vehicle body is provided with an anode battery board and a cathode battery board which are in insulation connection, the anode of the anode battery pack is electrically connected to the anode battery board and is electrically connected to the vehicle anode interface through the anode battery board, the cathode of the cathode battery pack is electrically connected to the cathode battery board and is electrically connected to the vehicle cathode interface through the cathode battery board, and the first elastic telescopic mechanisms are respectively formed on the anode battery board and the cathode battery board.
A second aspect of the utility model provides a vehicle including the mounting structure of the battery pack described above.
Through the technical scheme, the positive battery pack and the negative battery pack are respectively and electrically connected to the vehicle positive interface and the vehicle negative interface, so that each battery pack only needs to be positioned to enable the electrode of each battery pack to be electrically connected with one of the vehicle positive interface and the vehicle negative interface, and the vehicle positive interface and the vehicle negative interface arranged on the vehicle supply power to a vehicle load, so that the installation and positioning difficulty of the battery packs is reduced, the battery packs can be conveniently replaced, and the high power conversion efficiency is achieved.
Drawings
Fig. 1 is a schematic view of a mounting structure of a battery pack according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of a self-locking mechanism of the mounting structure of the battery pack in fig. 1;
fig. 3 is a schematic structural diagram of the self-locking mechanism in fig. 2 in a locking state.
Description of the reference numerals
1-positive battery pack; 2-a negative battery pack; 3-positive plug connector; 4-negative pole plug connector; 5-positive cell panel; 6-negative electrode cell panel; 7-vehicle positive interface; 8-vehicle negative interface; 9-a first elastic telescopic mechanism; 9 a-inclined plane; 9 b-a stop surface; 10-a second elastic telescopic mechanism; 11-projection.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Referring to fig. 1, a mounting structure of a battery pack according to a preferred embodiment of the present invention includes a positive electrode battery pack 1 and a negative electrode battery pack 2, wherein the positive electrode battery pack 1 and the negative electrode battery pack 2 are electrically connected to each other by connectors (e.g., a positive connector 3 and a negative connector 4) and are detachably mounted on a vehicle body, respectively. The positive electrode battery pack 1 is electrically connected to a vehicle positive electrode interface 7, and the negative electrode battery pack 2 is electrically connected to a vehicle negative electrode interface 8.
Therefore, when the battery is replaced, the positive electrode battery pack 1 is only needed to be positioned to enable the positive electrode of the positive electrode battery pack to be electrically connected to the positive electrode interface 7 of the vehicle, the negative electrode battery pack 2 is positioned to enable the negative electrode of the negative electrode battery pack to be electrically connected to the negative electrode interface 8 of the vehicle, and the positive electrode interface 7 of the vehicle and the negative electrode interface 8 of the vehicle are arranged on the vehicle to supply power to a load of the vehicle, so that the mounting and positioning difficulty of the battery pack is reduced, the battery pack can be conveniently replaced, and high power replacing efficiency is achieved.
Since the positive electrode battery pack 1 and the negative electrode battery pack 2 are electrically connected to the vehicle positive electrode interface 7 and the vehicle negative electrode interface 8, respectively, by each other, it is necessary to electrically connect the positive electrode battery pack 1 and the negative electrode battery pack 2 to each other by a plug. The positive electrode cell pack 1 and the negative electrode cell pack 2 may be arranged in series or parallel with each other according to power supply requirements. In the illustrated preferred embodiment, the connectors for electrically connecting the positive electrode battery pack 1 and the negative electrode battery pack 2 to each other include a positive connector 3 and a negative connector 4 such that the negative electrode of the positive electrode battery pack 1 is electrically connected to the positive electrode of the negative electrode battery pack 2 and the positive electrode of the negative electrode battery pack 2 is electrically connected to the negative electrode of the positive electrode battery pack 1, whereby the positive electrode battery pack 1 and the negative electrode battery pack 2 are connected in parallel to each other.
Typically, the positive battery pack 1 includes a battery pack case and a plurality of first cells disposed in the battery pack case; the negative battery pack 2 comprises a battery pack shell and a plurality of second electric cores arranged in the battery pack shell. To facilitate electrical connection to the vehicle positive electrode interface 7 and the vehicle negative electrode interface 8, the pack cases of the positive electrode battery pack 1 and the negative electrode battery pack 2 may be used as the positive electrode and the negative electrode for the outward output. Therefore, the anodes of all the first electric cores in the anode battery pack 1 are respectively and electrically connected with the shell of the anode battery pack 1, the cathodes of the first electric cores in the anode battery pack 1 are respectively insulated relative to the shell of the anode battery pack 1, and are led out of an interface through copper bars, for example, and then are electrically connected to the cathode of the cathode battery pack 2 through the cathode plug connectors 4; the casing of this negative pole battery package 2 is connected respectively to the negative pole of the whole second electric cores in the negative pole battery package 2, and the positive pole of second electric core is relative negative pole battery package 2's casing insulation respectively in the negative pole battery package 2 to draw forth the interface through like the copper bar, and then be connected to the negative pole of anodal battery package 1 through anodal plug connector 3 electricity. For this reason, the battery case bodies of the positive electrode battery pack 1 and the negative electrode battery pack 2 may be partially or entirely made of a good conductive material, and the battery pack interface and the vehicle interface may be electrically connected conveniently at the time of battery replacement.
Further, in a preferred embodiment, the vehicle body is provided with a positive battery plate 5 and a negative battery plate 6 which are connected in an insulated manner, the vehicle positive interface 7 can be integrally formed with or fixedly connected to the positive battery plate 5, and the vehicle negative interface 8 can be integrally formed with or fixedly connected to the negative battery plate 6, so as to serve as an interface for outputting the battery pack to a vehicle load.
The positive battery pack 1 is detachably mounted on the positive battery plate 5, and after mounting, a battery pack shell of the positive battery pack 1 is attached to the positive battery plate 5, so that the positive battery pack 1 is electrically connected to the positive battery plate 5 and a vehicle positive interface 7 on the positive battery plate; the negative battery pack 2 is detachably mounted on the negative battery plate 6, and after mounting, the battery pack case of the negative battery pack 2 is attached to the negative battery plate 6, so that the negative battery pack 2 is electrically connected to the negative battery plate 6 and the vehicle negative interface 8 thereon. Here, the positive electrode cell plate 5 and the negative electrode cell plate 6 may be made of a good conductive material entirely or partially to be electrically connected to the positive electrode cell pack 1 and the negative electrode cell pack 2. The positive electrode cell plate 5 and the negative electrode cell plate 6 are insulated from the vehicle body, and serve not only as a support member for the positive electrode cell plate 1 and the negative electrode cell pack 2, but also as a conductor for outputting the current of the cell pack.
In order to facilitate the quick replacement of the battery pack, the positive battery pack 1 and the negative battery pack 2 can be detachably mounted on the vehicle body through self-locking mechanisms respectively. For example, the positive electrode cell pack 1 may be attached to the positive electrode cell plate 5 by a self-locking mechanism, and the negative electrode cell pack 2 may be attached to the negative electrode cell plate 6 by a self-locking mechanism. Therefore, after the positive battery pack 1 and the negative battery pack 2 are installed in place, the positive battery pack and the negative battery pack can be automatically locked by the self-locking mechanism, and therefore the battery packs can be quickly replaced.
Referring to fig. 2 and 3, a preferred embodiment self-locking mechanism is shown. The self-locking mechanism comprises a first elastic telescopic mechanism 9 arranged on a vehicle body (such as the positive battery plate 5 and the negative battery plate 6) and a protrusion 11 arranged on the positive battery pack 1 and the negative battery pack 2, and the protrusion 11 can be formed at the bottom of a battery pack shell. After the positive electrode battery pack 1 and the negative electrode battery pack 2 are mounted in place, the first elastic expansion mechanism 9 is elastically restored by the spring and engages the protrusion 11 to be fixed in the mounting position.
In order to facilitate the installation of the positive electrode battery pack 1 and the negative electrode battery pack 2, the protrusions 11 may be provided to have a structure such as a frustum, the side surfaces of which are tapered in the direction toward the vehicle body. Accordingly, the first elastic expanding and contracting mechanism 9 may be formed to include a spring-biased expanding and contracting block whose free end is formed with an inclined surface 9 a. Thus, by pressing the positive electrode battery pack 1 and the negative electrode battery pack 2 toward the positive electrode battery plate 5 and the negative electrode battery plate 6, the first elastic telescopic mechanism 9 is pressed by the side surface (outer peripheral surface) of the projection 11 to be outwardly expanded, thereby guiding the projection 11 to enter the locking position, and completing the replacement and installation of the battery pack.
Further, the self-locking mechanism may further include a second elastic expansion mechanism 10 located at a lower side of the first elastic expansion mechanism 9. This second elastic telescopic mechanism 10 sets up to have the structure similar with first elastic telescopic mechanism 9, and after anodal battery package 1 and negative pole battery package 2 installed in place, second elastic telescopic mechanism 10 elasticity supported in protruding 11 side surface, and first elastic telescopic mechanism 9 blocks in protruding 11 the terminal surface that deviates from automobile body one side. It is understood that the acting force exerted by the second elastic telescopic mechanism 10 on the protrusion 11 has a component force towards the first elastic telescopic mechanism 9, so that the end surface of the protrusion 11 facing away from the vehicle body abuts against the clamping surface 9b of the first elastic telescopic mechanism 9 facing towards the second elastic telescopic mechanism 10, in other words, the upward component force exerted by the second elastic telescopic mechanism 10 on the protrusion 11 makes the upper end surface of the protrusion abut against the lower surface of the first elastic telescopic mechanism 9. Therefore, the battery pack is fastened by the thrust of the second elastic telescopic mechanism 10, so that the battery pack is prevented from shaking in the use process.
By utilizing the mounting structure of the battery pack, only the positive battery pack 1 and the negative battery pack 2 can be replaced when the vehicle is replaced, and the positive battery plate 5 and the negative battery plate 6 do not need to be disassembled. The vehicle positive electrode interface 7 and the vehicle negative electrode interface 8 are formed on the positive electrode battery plate 5 and the negative electrode battery plate 6, and only the positive electrode battery pack 1 and the negative electrode battery pack 2 are required to be pressed and fixed with the positive electrode battery plate 5 and the negative electrode battery plate 6 when the battery is replaced, so that the battery replacing process can be completed quickly.
On the basis, the utility model also relates to a vehicle comprising the mounting structure of the battery pack. Typically, the vehicle may be a rail transit vehicle such as a train, subway, or the like.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the individual specific technical features in any suitable way. The utility model is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (10)
1. The mounting structure of the battery pack is characterized by comprising a positive battery pack (1) and a negative battery pack (2) which are electrically connected with each other through plug connectors, wherein the positive battery pack (1) and the negative battery pack (2) are respectively detachably mounted on a vehicle body, the positive battery pack (1) is electrically connected to a vehicle positive interface (7), and the negative battery pack (2) is electrically connected to a vehicle negative interface (8).
2. The battery pack mounting structure according to claim 1, wherein the plug connector includes a positive plug connector (3) and a negative plug connector (4), and the positive battery pack (1) and the negative battery pack (2) are electrically connected to each other through the positive plug connector (3) and the negative plug connector (4) so that the positive battery pack (1) and the negative battery pack (2) are connected in parallel to each other.
3. The mounting structure of the battery pack according to claim 1, wherein the positive electrode battery pack (1) includes therein a plurality of first cells, positive electrodes of the first cells being electrically connected to the case of the positive electrode battery pack (1), negative electrodes of the first cells being insulated from the case of the positive electrode battery pack and being electrically connected to the negative electrode battery pack (2); the negative electrode battery pack (2) comprises a plurality of second battery cells, the negative electrodes of the second battery cells are electrically connected to the shell of the negative electrode battery pack (2), and the positive electrodes of the second battery cells are insulated relative to the shell of the negative electrode battery pack and are electrically connected to the positive electrode battery pack (1).
4. The battery pack mounting structure according to claim 3, wherein the vehicle body is provided with a positive battery plate (5) and a negative battery plate (6) which are connected in an insulated manner, the positive battery pack (1) is detachably mounted on the positive battery plate (5), the negative battery pack (2) is detachably mounted on the negative battery plate (6), and the positive battery pack (1) is made to have a casing attached to the positive battery plate (5), the negative battery pack (2) is made to have a casing attached to the negative battery plate (6), the positive battery pack (1) is electrically connected to the vehicle positive interface (7) through the positive battery plate (5), and the negative battery pack (2) is electrically connected to the vehicle negative interface (8) through the negative battery plate (6).
5. The battery pack mounting structure according to claim 1, wherein the positive electrode battery pack (1) is detachably mounted to the vehicle body by a self-locking mechanism, and/or the negative electrode battery pack (2) is detachably mounted to the vehicle body by a self-locking mechanism.
6. The battery pack mounting structure according to claim 5, wherein the self-locking mechanism includes a first elastic expansion mechanism (9) provided on the vehicle body and a protrusion (11) provided on the positive electrode battery pack (1) and/or the negative electrode battery pack (2), and the first elastic expansion mechanism (9) is configured to be elastically restored to catch the protrusion (11) after the corresponding positive electrode battery pack (1) or the negative electrode battery pack (2) is mounted in place.
7. The mounting structure of a battery pack according to claim 6, wherein the protrusion (11) is tapered in a direction toward the vehicle body, the first elastic expanding and contracting mechanism (9) has an expanding and contracting block biased by a spring, one end of the expanding and contracting block facing the protrusion (11) is formed into an inclined surface (9a), and a side surface of the protrusion (11) can abut against the inclined surface (9a) to drive the expanding and contracting block to expand and contract against the elastic force of the spring, thereby guiding the protrusion (11) to be snapped into the lower side of the expanding and contracting block.
8. The battery pack mounting structure according to claim 7, wherein the self-locking mechanism includes a second elastic expansion mechanism (10) located on a lower side of the first elastic expansion mechanism (9), and after the corresponding positive battery pack (1) or negative battery pack (2) is mounted in place, the second elastic expansion mechanism (10) elastically abuts against a side surface of the protrusion (11), and the first elastic expansion mechanism is clamped on an end surface of the protrusion (11) facing away from the vehicle body.
9. The battery pack mounting structure according to claim 6, wherein the vehicle body is provided with a positive battery plate (5) and a negative battery plate (6) which are connected in an insulated manner, the positive electrode of the positive battery pack (1) is electrically connected to the positive battery plate (5) and is electrically connected to the vehicle positive electrode interface (7) through the positive battery plate (5), the negative electrode of the negative battery pack (2) is electrically connected to the negative battery plate (6) and is electrically connected to the vehicle negative electrode interface (8) through the negative battery plate (6), and the first elastic telescopic mechanisms (9) are respectively formed on the positive battery plate (5) and the negative battery plate (6).
10. A vehicle characterized by comprising the mounting structure of the battery pack according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122171501.4U CN216288787U (en) | 2021-09-08 | 2021-09-08 | Mounting structure and vehicle of battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122171501.4U CN216288787U (en) | 2021-09-08 | 2021-09-08 | Mounting structure and vehicle of battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216288787U true CN216288787U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122171501.4U Active CN216288787U (en) | 2021-09-08 | 2021-09-08 | Mounting structure and vehicle of battery package |
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|---|---|
| CN (1) | CN216288787U (en) |
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2021
- 2021-09-08 CN CN202122171501.4U patent/CN216288787U/en active Active
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