CN212412144U - Battery pack box cover and power battery pack assembly - Google Patents
Battery pack box cover and power battery pack assembly Download PDFInfo
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- CN212412144U CN212412144U CN202021921602.8U CN202021921602U CN212412144U CN 212412144 U CN212412144 U CN 212412144U CN 202021921602 U CN202021921602 U CN 202021921602U CN 212412144 U CN212412144 U CN 212412144U
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- voltage connector
- battery pack
- copper bar
- mounting hole
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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 case cover and a power battery pack assembly, wherein the battery pack case cover comprises a case cover shell and an electric connection component; the box cover shell is made of long glass fiber reinforced thermoplastic plastics, the box cover shell is molded through LFT-D process, the electric connection component is arranged in a mold cavity in the molding process of the box cover shell, the box cover shell and the electric connection component are combined into a whole after molding, and part of the electric connection component is embedded in the box cover shell; the box cover shell is provided with a main output high-voltage connector mounting hole, a direct-current charging high-voltage connector mounting hole and a rear driving motor high-voltage connector mounting hole, and one end of the electric connection component, which is connected with the main output high-voltage connector, the direct-current charging high-voltage connector and the rear driving motor high-voltage connector, is partially exposed outside the box cover shell. The utility model discloses can realize the lightweight, and simplify assembly process.
Description
Technical Field
The utility model relates to an automobile parts technical field especially relates to a battery package case lid and power battery package assembly.
Background
With the rapid development of the automobile industry and the continuous improvement of living conditions of people, automobiles become one of indispensable transportation tools for people to go out. The automobile keeping amount is increased year by year, and more people own private cars. At present, with the continuous improvement of environmental protection consciousness of people, new energy automobiles, especially electric automobiles are rapidly developed.
The battery pack is an important component part of the electric automobile, the battery pack box cover is an important component part of the battery pack, the light weight of the power battery pack plays an important role in reducing the energy consumption of the electric automobile, and the light weight of the box cover is mainly realized by manufacturing the battery pack box cover by using a composite material in the prior art, but the battery pack box cover has the following defects: (1) in order to meet the requirements of strength and mode, the wall surface of the box cover is thicker and is combined with a reinforcing rib design to limit further light weight; (2) in order to assemble the high-voltage plug-in on the box body, the height of a box cover tray needs to be increased, the tray is generally made of a metal material with higher density, and the increase of the size of the tray is not beneficial to the light weight of the battery pack; (3) on the premise of ensuring the light and thin design of the battery tray, the high-voltage connector needs to be fixed on the tray through the support, the protruding part of the high-voltage connector can prevent the case cover from being vertically placed to the installation position, and the protruding part of the high-voltage connector needs to be sleeved in the opening part of the case cover and then rotates to the assembly position by a certain angle, so that the assembly process is complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery package case lid to realize the lightweight, and simplify assembly process.
A battery pack case cover comprises a case cover shell and an electric connection assembly;
the box cover shell is made of long glass fiber reinforced thermoplastic, the box cover shell is molded through LFT-D process, the electric connection component is arranged in a mold cavity in the molding process of the box cover shell, the box cover shell and the electric connection component are combined into a whole after molding, and the electric connection component is partially embedded in the box cover shell;
the box cover shell is provided with a main output high-voltage connector mounting hole, a direct-current charging high-voltage connector mounting hole and a rear driving motor high-voltage connector mounting hole, the main output high-voltage connector mounting hole and the direct-current charging high-voltage connector mounting hole are positioned in front of the box cover shell, and the rear driving motor high-voltage connector mounting hole is positioned behind the box cover shell;
and one end of the electric connection component, which is connected with the main output high-voltage connector, the direct-current charging high-voltage connector and the rear drive motor high-voltage connector, is partially exposed outside the box cover shell.
According to the utility model provides a battery package case lid has following beneficial effect:
(1) the box cover shell is made of long glass fiber reinforced thermoplastic plastic and is molded through LFT-D process, compared with SMC, the box cover shell has lower density on the premise of considerable strength, and light weight is realized;
(2) the electric connection component is partially embedded in the box cover shell, so that a complex fixed connection component can be omitted, the assembly process of the electric connection component is simplified, and the cost is reduced; when the driving motor or the direct-current charging port is arranged in the rear area of the whole vehicle after the vehicle is configured, one or more high-voltage connectors can be arranged behind the box cover shell, the cost of the electric connection assembly integrated on the box cover is remarkably reduced compared with that of a high-voltage wire outside a battery pack, and the distance from the high-voltage connector to the driving motor or the direct-current charging port is reduced, so that the cost of the whole vehicle is reduced;
(3) the high-voltage connector can be preassembled on the box cover shell through the main output high-voltage connector mounting hole, the direct-current charging high-voltage connector mounting hole and the rear drive motor high-voltage connector mounting hole, electric conduction is achieved between the electric connecting assembly and the high-voltage connector, the battery pack box cover with the preassembled battery pack can be vertically mounted on the battery pack from top to bottom, and the assembling process is simpler.
Additionally, according to the utility model provides a battery package case lid can also have following additional technical characterstic:
further, the electric connection assembly comprises a main output positive electrode copper bar, a main output negative electrode copper bar, a direct current charging positive electrode copper bar, a direct current charging negative electrode copper bar, a rear drive motor positive electrode copper bar and a rear drive motor negative electrode copper bar;
the main output positive electrode copper bar and the main output negative electrode copper bar are arranged behind the main output high-voltage connector mounting hole; the direct-current charging positive electrode copper bar and the direct-current charging negative electrode copper bar are arranged behind the direct-current charging high-voltage connector mounting hole; and the positive copper bar of the rear driving motor and the negative copper bar of the rear driving motor are arranged in front of the mounting hole of the high-voltage connector of the rear driving motor.
Further, the direct current charging positive copper bar and the direct current charging negative copper bar penetrate through the box cover shell from the top of the box cover shell, and the direct current charging positive copper bar and the direct current charging negative copper bar serve as reinforcing beams of the box cover shell.
Furthermore, a sealing cover mounting hole is further formed in the box cover shell, and the sealing cover is fixed to the box cover shell through the sealing cover mounting hole in a matched mode with a fastening piece.
Further, a sealing cover connecting thread insert is further arranged on the box cover shell, and the sealing cover connecting thread insert is connected with the fastener.
Furthermore, the sealing cover is connected with the threaded insert to realize in-mold forming through the preset insert in the mold, or the sealing cover is installed through hot-pressing embedding or ultrasonic embedding after the forming of the box cover shell.
Further, the inside of case lid casing is equipped with the thickening portion, thickening portion is located the intermediate position of case lid casing.
Further, the electric connection component adopts copper alloy or aluminum alloy.
Furthermore, the main output high-voltage connector is installed on the main output high-voltage connector installation hole through a bolt, the direct-current charging high-voltage connector is installed on the direct-current charging high-voltage connector installation hole through a bolt, and the rear driving motor high-voltage connector is installed on the rear driving motor high-voltage connector installation hole through a bolt.
Another object of the present invention is to provide a power battery pack assembly using the above battery pack case cover.
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 structural view of a battery pack case cover according to a first embodiment of the present invention at a first viewing angle;
fig. 2 is a schematic structural view of a battery pack case cover according to a first embodiment of the present invention at a second viewing angle;
FIG. 3 is a schematic cross-sectional view taken along plane A-A of FIG. 1;
FIG. 4 is an enlarged view of a portion of region II of FIG. 3;
FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 1;
FIG. 6 is a schematic view of the assembly of the battery pack case cover with the main output high voltage connector and the DC charging high voltage connector;
FIG. 7 is a schematic view of an assembly structure of a battery pack case cover and a high-voltage connector of a rear drive motor;
FIG. 8 is a schematic cross-sectional view taken along plane C-C of FIG. 6;
FIG. 9 is a schematic cross-sectional view taken along plane D-D of FIG. 6;
fig. 10 is a schematic view of an assembly structure of a cover of a battery pack and the battery pack at a first viewing angle;
fig. 11 is a schematic view of an assembly structure of a cover of a battery pack and the battery pack at a second viewing angle;
FIG. 12 is a schematic view of the mounting structure of the electrical connection assembly and the high voltage interface in the battery pack;
FIG. 13 is a schematic view of the seal cover plate area in the lid of the battery pack;
fig. 14 is a schematic structural view of a battery pack case cover applied to a vehicle.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 14, a battery pack case cover 2 according to a first embodiment of the present invention includes a case cover housing 21 and an electrical connection assembly 22.
The tank cover housing 21 is provided with a sealing cover mounting hole 211, a flange surface 212, a main output high-voltage connector mounting hole 213, a dc charging high-voltage connector mounting hole 214, a top fixing hole 215, a flange surface mounting hole 216, a sealing cover connecting threaded insert 217, and a rear drive motor high-voltage connector mounting hole 218.
In this embodiment, a thickened portion 219 is provided inside the cover case 21, and the thickened portion 219 is located at a middle position of the cover case 21.
In this embodiment, the main output high-voltage connector mounting hole 213 and the dc charging high-voltage connector mounting hole 214 are located in front of the case cover housing 21, and the rear drive motor high-voltage connector mounting hole 218 is located in rear of the case cover housing 21; the box cover shell 21 is made of long glass fiber reinforced thermoplastic plastics and is molded by LFT-D process, the electric connecting component 22 is arranged in a mold cavity in the molding process of the box cover shell 21, and the box cover shell 21 and the electric connecting component 22 are combined into a whole after molding. The sealing cover connecting thread insert 217 can be formed in a mold by presetting an insert in the mold, or can be installed by hot-pressing embedding or ultrasonic embedding after the cover case 21 is formed, in this embodiment, the sealing cover connecting thread insert 217 is installed on the cover case 21 by the hot-pressing embedding process.
The cover case 21 has the following typical properties: the density is 1.4 to 1.6g/cm3Tensile strengthThe material is 90-110 MPa, the elastic modulus is 8-10 GPa, the bending strength is 130-165 MPa, and the thermal deformation temperature is more than or equal to 140 ℃; the electrical connection member 22 is preferably made of copper alloy or aluminum alloy with good conductivity and formability, and in this embodiment, the material of the electrical connection member 22 is T2 red copper.
Referring to fig. 3 and 4, the electrical connection assembly 22 is partially embedded inside the case lid housing 21, one end of the electrical connection assembly 22 connected to the high-voltage connector (including the main output high-voltage connector 31, the dc charging high-voltage connector 32, and the rear driving motor high-voltage connector 33) is partially exposed outside the case lid housing 21, and specifically, a mounting hole coaxial with the high-voltage connector terminal is formed in the terminal of the electrical connection assembly 22 behind the high-voltage connector mounting hole (including the main output high-voltage connector mounting hole 213, the dc charging high-voltage connector mounting hole 214, and the rear driving motor high-voltage connector mounting hole 218).
The electrical connection assembly 22 includes a dc charged positive copper bar 221, a dc charged negative copper bar 222, a main output negative copper bar 223, a main output positive copper bar 224, a rear drive motor positive copper bar 225, and a rear drive motor negative copper bar 226.
Specifically, a main output positive electrode copper bar 224 and a main output negative electrode copper bar 223 are installed behind the main output high-voltage connector installation hole 213, and a direct current charging positive electrode copper bar 221 and a direct current charging negative electrode copper bar 222 are installed behind the direct current charging high-voltage connector installation hole 214; fig. 4 shows that the dc charging positive electrode copper bar 221 and the dc charging negative electrode copper bar 222 penetrate the box cover housing 21 at the top of the battery pack box cover 2, so that the dc charging positive electrode copper bar 221 and the dc charging negative electrode copper bar 222 are fixed by the box cover housing 21 in a compact manner, and at the same time, the dc charging positive electrode copper bar 221 and the dc charging negative electrode copper bar 222 become reinforcing beams of the box cover housing 21, thereby improving the mode of the box cover housing 21.
Please refer to fig. 5, the rear driving motor positive electrode copper bar 225 and the rear driving motor negative electrode copper bar 226 are installed in front of the rear driving motor high-voltage connector installation hole 218, the rear driving motor positive electrode copper bar 225 and the rear driving motor negative electrode copper bar 226 are partially embedded inside the box cover housing 21, and the rear driving motor positive electrode copper bar 225 and the rear driving motor negative electrode copper bar 226 are partially exposed outside the box cover housing 21 near the rear driving motor high-voltage connector installation hole 218.
Referring to fig. 6 and 7, the high-voltage connector is preassembled on the battery pack case cover 2, specifically, the main output high-voltage connector 31 is mounted in the main output high-voltage connector mounting hole 213, the dc charging high-voltage connector 32 is mounted in the dc charging high-voltage connector mounting hole 214, and the rear drive motor high-voltage connector 33 is mounted in the rear drive motor high-voltage connector mounting hole 218; in the present embodiment, each high-voltage connector is mounted on the battery pack case lid 2 by a bolt, and the battery pack case lid 2 has an embedded metal nut at a corresponding bolt mounting position, and the metal nut is mounted on the case lid housing 21 by a hot-press embedding process.
Please refer to fig. 8 and 9, the main output positive electrode copper bar 224 and the main output negative electrode copper bar 223 are respectively mounted on the positive and negative terminals of the main output high voltage connector 31 through bolts 41, the dc charging positive electrode copper bar 221 and the dc charging negative electrode copper bar 222 are respectively mounted on the positive and negative terminals of the dc charging high voltage connector 32 through bolts 41, and the rear driving motor positive electrode copper bar 225 and the rear driving motor negative electrode copper bar 226 are respectively mounted on the positive and negative terminals of the rear driving motor high voltage connector 33 through bolts 41; thus, the pre-assembly of the respective high-voltage connectors on the battery pack case lid 2 is completed.
Referring now to fig. 10-13, fig. 13 illustrates the electrical connection assembly 22 extending from the cover housing 21 adjacent the port of the battery power distribution unit 55; the battery pack cover 2 is preassembled with the main output high-voltage connector 31, the direct-current charging high-voltage connector 32 and the rear drive motor high-voltage connector 33 and then assembled to the battery pack, and the main output positive copper bar 224, the main output negative copper bar 223, the direct-current charging positive copper bar 221, the direct-current charging negative copper bar 222, the rear drive motor positive copper bar 225 and the rear drive motor negative copper bar 226 are respectively installed on corresponding ports of the battery power distribution unit 55 through fasteners 44, and the sealing cover installation holes 211 provide feasible operation space for the assembling steps; the electric connection between the internal high-voltage port of the battery pack and the external high-voltage connector is completed; the sealing ring 53 is arranged in a groove on the lower surface of the sealing cover 52, and a part of area of the sealing ring 53 is in proper interference fit with the groove on the lower surface of the sealing cover 52 so as to avoid the sealing ring 53 from falling off; next, the low-voltage connector 54 is mounted on the sealing cover 52, in this embodiment, the low-voltage connector 54 is mounted by extending from the inside of the battery pack to the outside and fixed by the fastener 45, the low-voltage connector 54 is connected with a battery pack controller (not shown) through a flexible cable 541, and the flexible cable 541 has a suitable length redundancy so that the low-voltage connector 54 can be smoothly mounted on the sealing cover 52 by moving a suitable distance; the sealing cover 52 is fixed to the cover case 21 through the sealing cover mounting hole 211 in cooperation with the fastening member 42, and preferably a metal nut 217 is embedded in the cover case 21 in cooperation with the fastening member 42 to satisfy the coupling strength. In addition, the seal cap connecting threaded insert 217 is connected to the fastener 42.
Referring to fig. 14, fig. 14 shows that the main output high-voltage connector 31 arranged at the right side of the front end of the battery pack 61 achieves the shortest distance to the high-voltage box 62 installed at the front compartment, the direct-current charging high-voltage connector 32 arranged at the left side of the front end of the battery pack 61 achieves the shortest distance to the direct-current charging interface 63 installed at the left front fender of the whole vehicle, and the rear driving motor high-voltage connector 33 arranged at the rear of the battery pack 61 achieves the shortest distance to the rear driving motor system 64 installed at the rear of the whole vehicle, so that the lengths of the high-voltage cable 65, the high-voltage cable 66 and the high-voltage cable 67 are reduced, and the cost of the whole vehicle high-voltage wiring harness is reduced to the greatest.
According to the battery pack case cover, the case cover shell 21 is provided with holes for mounting the high-voltage connector and the sealing cover, the holes for fixing the high-voltage connector and the sealing cover are preferably blind holes, and the mounting holes are preferably internally provided with metal nuts for ensuring the connection strength; the box cover shell 21 has good insulating property to ensure that the high-voltage connector meets the requirements of creepage distance and electric clearance after being installed; the box cover shell 21 is provided with a flange surface, and the flange surface is provided with a mounting hole for connecting with a battery tray; the hole for installing the sealing cover is sealed through the sealing cover outside the shell, and the battery pack low-voltage connector can be assembled on the sealing cover; the electric connection component 22 is partially embedded in the box cover shell 21, the electric connection component 22 is fixedly connected with the box cover shell 21, and the electric connection component 22 plays a role of reinforcing ribs in the box cover shell 21 so as to improve the rigidity of the box cover shell 21; the electric connection component 22 is used for connecting a high-voltage port in the battery pack and a battery pack output high-voltage interface, the electric connection component 22 can omit a complex fixing and connecting component due to partial pre-embedding in the box cover shell 21, and the electric connection component 22 is arranged from the top of the battery pack and fixed in a compact mode, so that the occupied internal space of the battery pack can be reduced, and more batteries can be arranged; when the driving motor or the direct-current charging port is arranged in the rear area of the whole vehicle after the vehicle is configured, one or more high-voltage connectors can be arranged behind the box cover shell 21, the cost of the electric connection assembly integrated on the box cover is remarkably reduced compared with that of a high-voltage wire outside a battery pack, and the distance from the high-voltage connector to the driving motor or the direct-current charging port is reduced, so that the cost of the whole vehicle is reduced; the high-voltage connector is preassembled on the box cover shell 21, the connecting piece between the electric connecting component and the high-voltage connector is installed in the box cover shell 21, so that the electric connection between the electric connecting component and the high-voltage connector is realized, the battery pack box cover which is preassembled can be vertically installed on a battery pack from top to bottom, and a good assembling process is realized.
To sum up, compare prior art, this battery package case lid has following advantage:
(1) the box cover shell is made of long glass fiber reinforced thermoplastic plastic and is molded through an LFT-D process, compared with SMC, the box cover shell has lower density on the premise of considerable strength, and the lightweight is realized;
(2) the cost is reduced, and the electric connection assembly is partially embedded in the box cover shell, so that a complex fixed connection assembly can be omitted, the assembly process of the electric connection piece is simplified, and the cost is reduced; when the driving motor or the direct-current charging port is arranged in the rear area of the whole vehicle after the vehicle is configured, one or more high-voltage connectors can be arranged behind the box cover shell, the cost of the electric connection assembly integrated on the box cover is remarkably reduced compared with that of a high-voltage wire outside a battery pack, and the distance from the high-voltage connector to the driving motor or the direct-current charging port is reduced, so that the cost of the whole vehicle is reduced;
(3) the space is optimized, the electric connection assembly is arranged from the top of the battery pack and fixed in a compact mode, so that the occupied space inside the battery pack can be reduced, the space inside the battery pack for arranging batteries is maximized, and the driving range target of the whole vehicle is favorably realized;
(4) the assembly process is optimized, the high-voltage connector can be preassembled on the box cover shell through the main output high-voltage connector mounting hole, the direct-current charging high-voltage connector mounting hole and the rear drive motor high-voltage connector mounting hole, and then electric conduction is realized between the electric connection assembly and the high-voltage connector, the battery pack box cover which is preassembled can be vertically mounted on a battery pack from top to bottom, and the assembly process is simpler;
(5) recoverability, the utility model discloses a case lid casing adopts thermoplastic material compression molding, has good recycle nature.
A second embodiment of the present invention provides a power battery pack assembly, which comprises at least the battery pack case cover of the first embodiment.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 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.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A battery pack case cover is characterized by comprising a case cover shell and an electric connection assembly;
the box cover shell is made of long glass fiber reinforced thermoplastic, the box cover shell is molded through LFT-D process, the electric connection component is arranged in a mold cavity in the molding process of the box cover shell, the box cover shell and the electric connection component are combined into a whole after molding, and the electric connection component is partially embedded in the box cover shell;
the box cover shell is provided with a main output high-voltage connector mounting hole, a direct-current charging high-voltage connector mounting hole and a rear driving motor high-voltage connector mounting hole, the main output high-voltage connector mounting hole and the direct-current charging high-voltage connector mounting hole are positioned in front of the box cover shell, and the rear driving motor high-voltage connector mounting hole is positioned behind the box cover shell;
and one end of the electric connection component, which is connected with the main output high-voltage connector, the direct-current charging high-voltage connector and the rear drive motor high-voltage connector, is partially exposed outside the box cover shell.
2. The battery pack cover of claim 1, wherein the electrical connection assembly comprises a main output positive copper bar, a main output negative copper bar, a dc charged positive copper bar, a dc charged negative copper bar, a rear drive motor positive copper bar, and a rear drive motor negative copper bar;
the main output positive electrode copper bar and the main output negative electrode copper bar are arranged behind the main output high-voltage connector mounting hole; the direct-current charging positive electrode copper bar and the direct-current charging negative electrode copper bar are arranged behind the direct-current charging high-voltage connector mounting hole; and the positive copper bar of the rear driving motor and the negative copper bar of the rear driving motor are arranged in front of the mounting hole of the high-voltage connector of the rear driving motor.
3. The battery pack case lid of claim 2, wherein the dc charged positive copper bar and the dc charged negative copper bar pass through the case lid housing from the top of the case lid housing, and the dc charged positive copper bar and the dc charged negative copper bar serve as reinforcement beams of the case lid housing.
4. The battery pack case cover according to claim 1, wherein the case cover housing is further provided with a seal cover mounting hole through which a seal cover is fixed to the case cover housing by a fastening member.
5. The battery pack case cover according to claim 4, wherein a seal cover connecting threaded insert is further provided on the case cover housing, and the seal cover connecting threaded insert is connected with the fastening member.
6. The battery pack case cover according to claim 5, wherein the sealing cover is connected with the threaded insert to realize in-mold molding through a preset insert in a mold, or the sealing cover is installed through hot-press embedding or ultrasonic embedding after the case cover shell is molded.
7. The battery pack case cover according to claim 1, wherein the inside of the case cover housing is provided with a thickened portion, the thickened portion being located at a middle position of the case cover housing.
8. The battery pack case cover of claim 1, wherein the electrical connection component is made of copper alloy or aluminum alloy.
9. The battery pack case cover according to claim 1, wherein a main output high voltage connector is mounted on the main output high voltage connector mounting hole by a bolt, a dc charging high voltage connector is mounted on the dc charging high voltage connector mounting hole by a bolt, and a rear drive motor high voltage connector is mounted on the rear drive motor high voltage connector mounting hole by a bolt.
10. A power battery pack assembly comprising a battery pack case cover according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921602.8U CN212412144U (en) | 2020-09-04 | 2020-09-04 | Battery pack box cover and power battery pack assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921602.8U CN212412144U (en) | 2020-09-04 | 2020-09-04 | Battery pack box cover and power battery pack assembly |
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| Publication Number | Publication Date |
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| CN212412144U true CN212412144U (en) | 2021-01-26 |
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| CN202021921602.8U Active CN212412144U (en) | 2020-09-04 | 2020-09-04 | Battery pack box cover and power battery pack assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140861A (en) * | 2021-04-23 | 2021-07-20 | 江铃汽车股份有限公司 | Battery case and battery pack |
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2020
- 2020-09-04 CN CN202021921602.8U patent/CN212412144U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140861A (en) * | 2021-04-23 | 2021-07-20 | 江铃汽车股份有限公司 | Battery case and battery pack |
| CN113140861B (en) * | 2021-04-23 | 2022-06-24 | 江铃汽车股份有限公司 | Battery case and battery pack |
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