CN211684676U - Battery box assembly of electric automobile - Google Patents
Battery box assembly of electric automobile Download PDFInfo
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- CN211684676U CN211684676U CN202020237206.7U CN202020237206U CN211684676U CN 211684676 U CN211684676 U CN 211684676U CN 202020237206 U CN202020237206 U CN 202020237206U CN 211684676 U CN211684676 U CN 211684676U
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- battery box
- guide rail
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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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Abstract
The utility model relates to an electric automobile battery box assembly, its battery installation that is applicable to electric automobile. The technical scheme is as follows: electric automobile battery box assembly, including guide rail bracket assembly (1) and battery box assembly main part (2), wherein: the guide rail support assembly (1) comprises a guide rail support (102) and an electric connector fitting I (105), the battery box assembly main body (2) comprises a battery box body (207) and an electric connector fitting II (201), and the battery box assembly main body (2) is slidably mounted on the guide rail support assembly (1). After the technical scheme is adopted, the integration level of the electric automobile battery is improved, and the electric automobile battery is convenient to install, use and maintain; and the structure can be used as a structural member of the whole vehicle, and the structural performance of the whole vehicle is improved.
Description
Technical Field
The utility model relates to an electric automobile battery box assembly. This battery box assembly effectively improves the installation level that integrates of electric automobile battery, facilitates the use and maintains, is applicable to electric automobile's battery installation.
Background
In the national "energy-saving and new energy automobile industry", the development strategy of "pure electric drive" is defined again from the political policy level, which becomes the core principle for developing new energy automobiles.
As one of the most core parts of the pure electric vehicle, the power battery is closely related to the endurance mileage, the servicing quality, the power performance, the control performance and the like of the vehicle. The battery weight of the pure electric vehicle is the highest, and is generally very heavy above hundreds of kilograms, which causes that the battery of the electric vehicle is very heavy to install, dismantle and maintain, and the related circuit connection of the battery is very complicated, which slightly causes the connection error of assembly and disassembly carelessly, has serious consequences, is labor-consuming and troublesome, and requires that the operation worker has a higher specialized level.
Taking the battery Pack of the current electric automobile as an example, the battery Pack basically binds a plurality of single batteries together by using metal structural members or steel belts, is made into a module to prevent the single batteries from expanding and bulging, and is then fixed in a battery box, so that the heavy lithium batteries become heavier, and the battery Pack is labor-consuming and time-consuming in installation or disassembly, namely the battery Pack is troublesome to operate by using hoisting equipment.
Regarding the battery pack, as chinese patent: power battery, publication number: CN2016203736721, which is composed of several single batteries.
Based on the defects of the existing mechanism, the battery box of the electric automobile needs to be optimized in an integrated structure. Finally, the following steps can be realized: the integrated structure can ensure that the battery Pack is not only used for storing and protecting the battery, but also used as a structural member of the whole vehicle, so that the bending strength and the torsional rigidity of the whole vehicle are improved. Each single battery is directly discharged into the battery box and is fastened with the battery box into a whole, so that the components of the battery Pack box body can be greatly reduced, the quality of the power battery system of the electric vehicle is greatly reduced, and the use and the maintenance are convenient.
Disclosure of Invention
The utility model aims at providing an electric automobile battery box assembly to not enough among the prior art, its aim at: the integration level of the battery of the electric automobile is improved, and the use and maintenance are convenient; and the structure can be used as a structural member of the whole vehicle, and the structural performance of the whole vehicle is improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
electric automobile battery box assembly, it is including guide rail bracket assembly and battery box assembly main part, its characterized in that: the guide rail bracket assembly comprises a guide rail bracket and a first electric connector fitting, and the first electric connector fitting is fixedly arranged at one end of the guide rail bracket; the battery box assembly main body comprises a battery box body and an electric connector accessory II, and the electric connector accessory II is fixedly arranged at one end of the battery box body; the first electric connector fitting is electrically matched with the second electric connector fitting; the battery box assembly main body is slidably mounted on the guide rail bracket assembly, and the guide rail bracket assembly is fixedly mounted on the automobile beam.
As a further improvement of the utility model: the main body of the guide rail support is two guide rails, a U-shaped groove aluminum strip sliding groove is fixedly connected to the side face of the battery box body, and the U-shaped groove aluminum strip sliding groove is connected with the guide rails in a sliding mode.
As a further improvement of the utility model: the middle part of the guide rail support is provided with a lifting type sliding component, the other end of the guide rail support is provided with a fixed type sliding component, and the lifting type sliding component and the fixed type sliding component are connected with the bottom surface of the battery box body in a sliding mode.
As a further improvement of the utility model: the lifting sliding component is a lifting roller, and the lifting roller is driven to lift by a jack; the fixed sliding member is a fixed roller.
As a further improvement of the utility model: the battery box body is a metal plate box body; the battery box is characterized in that a fixing part is arranged in the battery box body, the fixing part divides the interior of the battery box body into a high-voltage control and circuit installation area and a plurality of battery installation areas, and the battery installation areas are electrically connected with the second electric connector fittings through the high-voltage control and circuit installation areas.
As a further improvement of the utility model: the metal plate box body is formed by folding edges of an aluminum plate or formed by die-casting aluminum in one step; the fixing piece mainly comprises a hollow insulating sleeve, a clamping nut and a core-string screw, the core-string screw penetrates through the insulating sleeve, and the battery is limited in the battery box body by the fixing piece.
As a further improvement of the utility model: the first electric connector fitting and the second electric connector fitting are both guiding electric connectors; and a maintenance switch and a handle are arranged on the battery box body.
As a further improvement of the utility model: and a shock pad is arranged between the guide rail bracket assembly and the automobile beam.
The beneficial effect after adopting above-mentioned technical scheme:
1. the group battery is installed in battery box assembly main part, and battery box assembly main part slidable mounting conveniently realizes integrating of group battery on the guide rail bracket assembly, and the group battery can be convenient pulling roll-off with push the installation, easy to assemble and maintenance. The guide rail bracket assembly is fixedly arranged on the automobile beam, so that the battery box assembly of the electric automobile becomes a structural member of the whole automobile, and the bending strength and the torsional rigidity of the whole automobile are improved. And finally, realizing that: the battery box can be easily pulled and slid out of the guide rail or locked/fixed by the guide rail by manual methods. No matter the battery box is installed or disassembled, any conducting wire does not need to be disassembled and connected, and the battery box is convenient to install and disassemble quickly.
2. The sliding groove is connected with the guide rail in a sliding mode, the lifting type roller wheel and the fixed type roller wheel structure are convenient for the main body of the battery box assembly to move conveniently, and the first electric connector fitting and the second electric connector fitting are electrically matched, if the first electric connector fitting and the second electric connector fitting are inserted/pulled out, the structure is simple, and the operation is convenient.
3. The requirements of heat dissipation and light weight are conveniently realized. The battery box body adopts metal plates, such as: the aluminum plate is formed by flanging or is formed by die-casting aluminum at one time, and the battery is limited in the battery box body by the fixing piece.
The fixing piece structure is suitable for expansion bulges of the single battery in the charging and discharging process. The device is suitable for the requirements of different vehicle types, and is convenient for realizing flat and single-layer layout on a girder in the middle of the vehicle body. In addition, the single batteries arranged in the battery box side by side are limited by the fixing piece, and the stress and the impact generated inside and outside the battery core are effectively absorbed. Internal stress and impact: firstly, because the temperature variation leads to the expend with heat and contract with cold that electric core produced, secondly the electric core volume change that charge and discharge leads to the adaptation battery cell must not outwards expand the swell again in the charge-discharge process. External stress and impact: stress and impact can be generated in the driving process of the automobile, and the fixing piece effectively avoids/reduces the adverse effect of the stress and the impact on the battery.
4. High-voltage control and circuit installation district, can unify all kinds of circuit arrangement of installation/placing, if: BMS management circuit, high voltage control box, DC/DC, vehicle control unit VCU. All wires, including high voltage main power, direct current fuse, charge, gear signal, accelerator pedal signal, instrument and CAN communication line, etc., CAN all be inserted/pulled out through the guide type electric connector. The realization is convenient: centralized wiring and integration of circuits.
5. The shock pad is additionally arranged, so that vibration is effectively reduced, noise is reduced, and the service life of the battery is prolonged.
Drawings
FIG. 1 is a schematic view of a guide rail bracket assembly;
FIG. 2 is a schematic structural view of an automobile beam,
FIG. 3 is a schematic view of the structure of the guide rail bracket assembly,
FIG. 4 is a schematic structural view of a main body of a battery box assembly,
figure 5 is an enlarged view of a portion of the main body of the battery box assembly,
figure 6, a partial enlargement two of the battery box assembly main body,
figure 7, the first state of use of the battery box assembly,
figure 8, the second state of use of the battery box assembly,
figure 9, the third state of use of the battery box assembly,
figure 10, a hand-operated jack use figure,
fig. 11, a hydraulic jack usage diagram.
In the figure:
1. the guide rail bracket assembly is provided with a guide rail bracket assembly,
101. the device comprises a jack 102, a guide rail bracket 103, lifting rollers 104, fixed rollers 105, first electric connector fittings 106, lifting roller mounting seats 107 and fixed roller mounting seats;
1011. a hand-operated jack 1012, a hydraulic jack 1013 and a hydraulic branch pump;
2. a main body of the battery box assembly is provided,
201. the electric connector comprises a second electric connector accessory 202, a high-voltage control and circuit installation area 203, an insulating sleeve 204, a clamping nut 205, a string-core screw 206, a battery installation area 207, a battery box body 208, a maintenance switch 209, a handle 210 and a U-shaped groove type aluminum strip sliding groove;
3. a vehicle beam;
4. a shock-absorbing pad.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 7-9, the battery box assembly of the electric vehicle comprises a guide rail bracket assembly 1 and a battery box assembly main body 2, wherein:
as shown in fig. 1 and 3, the rail bracket assembly 1 includes a rail bracket 102 and a first electrical connector assembly 105, wherein the first electrical connector assembly 105 is fixedly installed at one end of the rail bracket 102;
as shown in fig. 4 and 5, the battery box assembly main body 2 includes a battery box body 207 and a second electrical connector fitting 201, and the second electrical connector fitting 201 is fixedly installed at one end of the battery box body 207;
as shown in fig. 7 and 8, the first electrical connector assembly 105 is electrically mated with the second electrical connector assembly 201, which is preferably: the first electric connector fitting and the second electric connector fitting are both guiding type electric connectors with floating and buffering structures, and can freely realize insertion/extraction, and are similar to plugs and sockets.
As shown in fig. 7 to 9, the battery box assembly main body 2 is slidably mounted on the guide rail bracket assembly 1, and the guide rail bracket assembly 1 is fixedly mounted on the automobile beam 3. Therefore, the whole device is fixedly arranged on the automobile beam, so that the battery box assembly of the electric automobile becomes a structural member of the whole automobile, and the bending strength and the torsional rigidity of the whole automobile are improved. In order to reduce the vibration of the crossbeam on the battery box and influence the service life of the battery, the inventor proposes a preferable scheme that: the shock pad 4 is additionally arranged between the guide rail bracket assembly 1 and the automobile beam 3, such as: the steel wire shock-absorbing rubber cushion is provided.
Before use, the battery pack is mounted in the battery box assembly main body. When the battery box assembly is used, the battery box assembly main body slides or is locked on the guide rail bracket assembly through external force.
Example two
As an improvement of the first embodiment of the present invention, as shown in fig. 1 and 3, the main body of the rail bracket 102 is two guide rails, and the side rigid coupling of the battery box body 207 has a U-shaped groove aluminum strip sliding groove 210, which is slidably connected to the guide rails. The guide rail can be an angle iron guide rail. The battery box body is preferably a metal plate, such as: and folding the aluminum plate to be formed or die-casting aluminum to be formed at one time.
As shown in fig. 1 and 3, a lifting sliding member is provided at the middle of the rail bracket 102, a fixed sliding member is provided at the other end of the rail bracket 102, and the lifting sliding member and the fixed sliding member are slidably connected to the bottom surface of the battery box body. The lifting sliding component is preferably a lifting roller 103, the lifting roller 103 is arranged in the middle of the guide rail bracket through a lifting roller mounting seat 106, and the lifting roller is driven to lift by a jack 101. The aforementioned jack can be a hydraulic jack 1012 or a hand jack 1011. Taking the hydraulic jack 1012 as an example, the hydraulic jack 1012 drives the hydraulic cylinder 1013 to lift the lifting roller 103. The fixed sliding member is preferably a fixed roller 104, and the fixed roller 104 is mounted to the rear end of the rail bracket 102 by a fixed roller mounting base 107. Examples are as follows:
as shown in fig. 1 to 9, a lifting roller is installed in the middle of the rail bracket, and the roller surface of the lifting roller is flush with the guide plane of the rail bracket assembly. The two fixed rollers are arranged at the tail end of the guide rail bracket, and the roller surfaces of the fixed rollers are kept about 5mm higher than the guide plane of the guide rail bracket assembly. When the lifting roller needs to move, the lifting roller is driven by the jack to lift, for example, the roller surface of the lifting roller is about 5mm higher than the guide plane of the guide rail bracket assembly. The lifting type roller and the two fixed rollers act together to support the main body of the battery box assembly to freely roll back and forth on the roller surface. When the second electric connector fitting is completely inserted into the first electric connector fitting, the two electric connector fittings are mutually electrically connected and locked, so that the main body of the battery box assembly cannot jump up and down, and meanwhile, the main body of the battery box assembly just slides out of the fixed roller. At this time, the lifting type roller is lowered, and the battery box assembly main body is completely seated on the guide rail bracket assembly.
EXAMPLE III
As an improvement of the first embodiment of the present invention, as shown in fig. 4-6, a fixing member is provided in the battery box body, the fixing member divides the inside of the battery box body into a high-voltage control and circuit installation area 202 and a plurality of battery installation areas 206, and the battery installation areas are electrically connected to the two electric connector fittings 201 through the high-voltage control and circuit installation areas.
The high-voltage control and circuit installation area can be provided with a BMS management circuit, a high-voltage control box, a direct-current fuse, a DC/DC, a vehicle control unit VCU and the like. All wires, including high-voltage main power supply, charging, gear signals, accelerator pedal signals, instruments, CAN communication wires and the like, are electrically connected with the outside through the guide type electric connector.
The preferable scheme of the fixing piece is as follows: the fixture includes a hollow insulating sleeve 203, a clamping nut 204, and a threaded cross-member 205 that passes through the hollow insulating sleeve 203, and the fixture confines the battery within the battery compartment. Therefore, the whole battery box body can be divided into a circuit mounting area and a plurality of battery mounting areas. For the battery installation area, the single batteries arranged in the battery box side by side can be limited by the fixing piece, and the stress and the impact generated inside and outside the battery core can be effectively absorbed.
For convenient use, the inventor further proposes: the battery box body is provided with a maintenance switch 208 and a handle 209. The high-voltage direct-current fuse is arranged in the maintenance switch, and the high-voltage direct-current fuse can be inserted into and pulled out of the maintenance switch to control the opening/closing of a circuit in the battery box body, so that the maintenance switch is convenient to install and operate. The handle is convenient for manually pushing and pulling the battery box.
The present invention is not limited to the above embodiments, and all technical solutions formed by equivalent replacement or equivalent replacement belong to the scope of the claimed invention.
Claims (8)
1. Electric automobile battery box assembly, it is including guide rail bracket assembly (1) and battery box assembly main part (2), its characterized in that:
the guide rail bracket assembly (1) comprises a guide rail bracket (102) and a first electric connector fitting (105), wherein the first electric connector fitting (105) is fixedly arranged at one end of the guide rail bracket (102);
the battery box assembly main body (2) comprises a battery box body (207) and an electric connector fitting II (201), and the electric connector fitting II (201) is fixedly arranged at one end of the battery box body (207);
the first electrical connector fitting (105) is electrically mated with the second electrical connector fitting (201);
the battery box assembly main body (2) is slidably mounted on the guide rail bracket assembly (1), and the guide rail bracket assembly (1) is fixedly mounted on the automobile beam (3).
2. The battery box assembly of the electric vehicle as claimed in claim 1, wherein: the main part of guide rail support (102) is two guide rails, the side rigid coupling of battery box (207) has U type groove type aluminium strip spout (210), U type groove type aluminium strip spout and guide rail sliding connection.
3. The battery box assembly of the electric vehicle as claimed in claim 1, wherein: the middle part of the guide rail support (102) is provided with a lifting type sliding component, the other end of the guide rail support (102) is provided with a fixed type sliding component, and the lifting type sliding component and the fixed type sliding component are connected with the bottom surface of the battery box body in a sliding mode.
4. The battery box assembly of claim 3, wherein: the lifting sliding component is a lifting roller (103), and a jack (101) drives the lifting roller to lift; the stationary sliding member is a stationary roller (104).
5. The battery box assembly of the electric vehicle as claimed in claim 1, wherein: the battery box body is a metal plate box body; the battery box is internally provided with a fixing piece, the fixing piece divides the interior of the battery box into a high-voltage control and circuit installation area (202) and a plurality of battery installation areas (206), and the battery installation areas are electrically connected with a second electric connector accessory (201) through the high-voltage control and circuit installation areas.
6. The battery box assembly of claim 5, wherein:
the metal plate box body is formed by folding edges of an aluminum plate or formed by die-casting aluminum in one step;
the fixing piece mainly comprises a hollow insulating sleeve (203), a clamping nut (204) and a core screw (205), wherein the core screw penetrates through the insulating sleeve, and the fixing piece limits the battery in the battery box body.
7. The battery box assembly of the electric vehicle as claimed in claim 1, wherein: the first electric connector fitting and the second electric connector fitting are both guiding electric connectors; and a maintenance switch (208) and a handle (209) are arranged on the battery box body.
8. The battery box assembly of the electric vehicle as claimed in claim 1, wherein: and a damping pad (4) is arranged between the guide rail bracket assembly (1) and the automobile beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020237206.7U CN211684676U (en) | 2020-03-02 | 2020-03-02 | Battery box assembly of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020237206.7U CN211684676U (en) | 2020-03-02 | 2020-03-02 | Battery box assembly of electric automobile |
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| CN211684676U true CN211684676U (en) | 2020-10-16 |
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| CN202020237206.7U Active CN211684676U (en) | 2020-03-02 | 2020-03-02 | Battery box assembly of electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381106A (en) * | 2021-06-10 | 2021-09-10 | 傲普(上海)新能源有限公司 | Battery pack capable of being simply installed and battery rack formed by battery pack |
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2020
- 2020-03-02 CN CN202020237206.7U patent/CN211684676U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381106A (en) * | 2021-06-10 | 2021-09-10 | 傲普(上海)新能源有限公司 | Battery pack capable of being simply installed and battery rack formed by battery pack |
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