CN213546441U

CN213546441U - Supporting mechanism for light-weight battery pack

Info

Publication number: CN213546441U
Application number: CN202022972878.5U
Authority: CN
Inventors: 郭海
Original assignee: Anhui Oupeng Power Technology Co ltd
Current assignee: Anhui Huipeng New Energy Technology Co.,Ltd.
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-06-25
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a supporting mechanism for light calorie of battery package belongs to electric motor car power technical field, including first bottom locating rack, intermediate junction frame, second bottom locating rack, two module shells, first bottom locating rack passes through the intermediate junction frame with second bottom locating rack connects, the module shell includes base, upper cover, module location connection structure, the base with the upper cover is connected, module location connection structure and each battery module accordant connection, the base with the bottom locating rack is connected. The utility model can ensure more reliable installation and positioning of the module through the arrangement of the positioning spacing ribs, the positioning grooves and the like, and the connection is more rapid and stable, thereby being beneficial to improving the assembly speed; the space between the modules at two sides can be conveniently adjusted, the size of the whole battery pack is changed, the applicable range of the battery pack is improved, and the battery pack is worthy of being popularized and used.

Description

Supporting mechanism for light-weight battery pack

Technical Field

The utility model relates to an electric motor car power technical field, concretely relates to light calorie of supporting mechanism for battery package.

Background

With the rapid development of science and technology and the strong demand of environmental protection, new energy vehicles begin to develop rapidly, the types of the new energy vehicles are various, and the electric vehicle is one of the new energy vehicles, namely an electric drive vehicle, also known as an electric drive vehicle. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally, an electric vehicle is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed. The variety of electric vehicles is also increasing with the development speed of the electric vehicles, including electric vehicles, electric logistics vehicles and special electric vehicles. The electric light truck is a small logistics vehicle in the electric transportation vehicle.

The battery package of present electric light truck has certain problem in the use, for example the battery module installation location in the battery package is reliable inadequately, and the efficiency is also not high enough during the assembly. Therefore, a support mechanism for a light truck battery pack is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: how to solve the module installation location that current electric light truck battery package exists reliable scheduling problem inadequately, provide a supporting mechanism for light calorie battery package.

The utility model discloses a solve above-mentioned technical problem through following technical scheme, the utility model discloses a first bottom locating rack, intermediate junction frame, second bottom locating rack, two module shells, first bottom locating rack passes through intermediate junction frame with second bottom locating rack is connected, the module shell includes base, upper cover, module location connection structure, the base with the upper cover is connected, module location connection structure and each battery module accordant connection, the base with the bottom locating rack is connected.

Furthermore, module location connection structure includes that a plurality of location separate muscle, a plurality of connection locating hole, and a plurality of location separate the equidistant parallel arrangement of muscle and be in the inside bottom of base, adjacent two location separate between the muscle form with battery module bottom size assorted module constant head tank, battery module bottom is located the inside of module constant head tank, and with the location separates the muscle and is connected.

Furthermore, the first bottom positioning frame and the second bottom positioning frame are respectively provided with an L-shaped connecting plate, one end of each L-shaped connecting plate is connected with a structural part of the light truck, the other end of each L-shaped connecting plate is connected with the bottom of the first bottom positioning frame/the bottom of the second bottom positioning frame, and two ends of the middle connecting frame are detachably connected with the L-shaped connecting plates.

Furthermore, the both ends of intermediate junction frame are provided with slider formula connector, be provided with on the L shape connecting plate with slider formula connector assorted protruding track, slider formula connector with protruding track accordant connection, slider formula connector with all be provided with a plurality of connection screw on the protruding track, through with L shape connecting plate is connected to the different positions of intermediate junction frame with the interval of adjustment both sides module.

Furthermore, an output interface is arranged on the module shell and electrically connected with the battery module.

Furthermore, an input interface is further arranged on the module shell, and the input interface is electrically connected with the battery module.

Furthermore, a plurality of lightening holes are formed in the first bottom positioning frame and the second bottom positioning frame.

Compared with the prior art, the utility model has the following advantages: according to the support mechanism for the light-weight battery pack, the positioning spacer ribs, the positioning grooves and the like are arranged, so that the module can be more reliably installed and positioned, the connection is more rapid and stable, and the assembly speed is favorably improved; the space between the modules at two sides can be conveniently adjusted, the size of the whole battery pack is changed, the applicable range of the battery pack is improved, and the battery pack is worthy of being popularized and used.

Drawings

Fig. 1 is a schematic structural diagram of a battery pack according to an embodiment of the present invention;

fig. 2 is a top view of a battery pack in an embodiment of the invention;

fig. 3 is a partial view of a battery pack in an embodiment of the invention;

fig. 4 is a side view of a battery pack in an embodiment of the invention;

fig. 5 is an exploded view of a battery module according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a battery module according to an embodiment of the present invention;

fig. 7 is a partial view of a battery module according to an embodiment of the present invention;

fig. 8 is a bottom view of the battery module according to the embodiment of the present invention;

FIG. 9 is a side view of FIG. 5;

fig. 10 is a front view of a module holder according to an embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

The embodiment provides a technical scheme: the utility model provides a battery pack for electric light truck, includes first bottom locating rack 11, intermediate junction frame 12, second bottom locating rack 13, two module shells, a plurality of battery module 23, first bottom locating rack 11 passes through intermediate junction frame 12 with second bottom locating rack 13 is connected, and a plurality of battery module 23 divide into two sets ofly to be installed respectively in two module shells, the module shell includes base 21, upper cover 22, module location connection structure, base 21 with it is fixed through a plurality of connecting bolt between the upper cover 22, module location connection structure and each battery module 23 accordant connection, through spliced pole 211 threaded connection between base 21 and the bottom locating rack.

Module location connection structure includes that a plurality of location separate muscle 241, a plurality of connection locating hole 242, and a plurality of location separate muscle 241 equidistant parallel arrangement and be in the inside bottom of base 21, adjacent two location separate between the muscle 241 with form battery module 23 bottom size assorted module constant head tank 243, separate muscle 241 and module constant head tank 243 etc. through the location and set up, can make the installation location of module more reliable, connect more fast to be favorable to the promotion of assembly speed.

The first bottom positioning frame 11 and the second bottom positioning frame 13 are both provided with L-shaped connecting plates 111, one ends of the L-shaped connecting plates 111 are connected with a light truck structural member, the other ends of the L-shaped connecting plates are connected with the bottoms of the first bottom positioning frame 11/the second bottom positioning frame 13, and two ends of the middle connecting frame 12 are detachably connected with the L-shaped connecting plates 111.

The both ends of middle link 12 are provided with slider formula connector 122, slider formula connector 122 with middle link 12 is structural part as an organic whole, be provided with on the L shape connecting plate 111 with slider formula connector 122 assorted protruding track, slider formula connector 122 with protruding track accordant connection, slider formula connector 122 with all be provided with a plurality of connection screw holes 121 on the protruding track, through being connected to the different positions of middle link 12 with L shape connecting plate 111 to the interval of both sides module can be conveniently adjusted, the size of changing whole battery package has improved the applicable scope of this battery package.

The module shell is provided with an output interface 3, and the output interface 3 is electrically connected with the battery module 23.

The module shell is also provided with an input interface 4, and the input interface 4 is electrically connected with the battery module 23.

The first bottom positioning frame 11 and the second bottom positioning frame 13 are respectively provided with a plurality of lightening holes, so that the whole battery pack is lighter under the condition of ensuring the mechanical strength of the battery pack.

The battery module 23 includes a plurality of battery cells 231, a module support, a BMS module 238, and a plurality of bus bars 2313, the battery cells 231 are horizontally disposed inside the module support according to design, and the BMS module 238 is disposed on the module support and electrically connected to the battery cells 231 through the bus bars 2313.

The module support comprises a first side plate 2321, a second side plate 2322, a bottom tray 233, a rear connecting plate 234, a bus bar support 236 and an upper pressing plate 235, the first side plate 2321 and the second side plate 2322 are in threaded connection with a positioning spacer rib 241 on the module housing, the bottom tray 233 is arranged at the bottom of the battery cell 231, the rear connecting plate 234 and the bus bar support 236 are both arranged between the first side plate 2321 and the second side plate 2322, the upper pressing plate 235 is arranged at the top of the battery cell 231, and the battery cell 231 is located in a space formed by the first side plate 2321, the second side plate 2322, the bottom 233 tray, the rear connecting plate 234, the bus bar support 236 and the upper pressing plate 235. Through curb plate and busbar support etc. that set up, can conveniently carry out the accordant connection with the module shell fast, restrict the position of busbar simultaneously, effectively guaranteed the stability of being connected between devices such as electric core.

The number of the battery cells 231 is 10, each of the two sides of the battery cells 231 is 5, and insulation plates 239 are arranged between the battery cells 231 on the two sides and at the top end and the lower end of the battery cells 231 for playing a good insulation role.

The bus bar bracket 236 is provided with a module insulation cover 237, the module insulation cover 237 is connected with the bus bar bracket 236 through a movable buckle, and the module insulation cover 237 plays an insulation role between adjacent battery modules 23.

A reserved screw barrel 23211 is embedded in the first side plate 2321 and the second side plate 2322, a straight-through screw 23212 is connected to the internal thread of the reserved screw barrel 23211, and the straight-through screw 23212 penetrates through the reserved screw barrel 23211 and is connected to the positioning spacer bar 241 through threads, so that the whole battery module is conveniently positioned.

The rear portion connecting plate 234 is the soaking plate, the outside of soaking plate is provided with heating film 2341, heating film 2341 the soaking plate all passes through heating film layering 2342 that sets up on the film 2341 with first curb plate 2321 second curb plate 2322 connects respectively. Through the soaking plate that sets up, can heat electric core uniformly, make electric core operation in good operational environment, can effectively guarantee the duration and the life-span of battery module.

An upper pressing block 2351 is arranged between the upper pressing plate 235 and the first side plate 2321, and the upper pressing plate 235 and the first side plate 2321 are in threaded compression joint through the upper pressing block 2351.

The bus bar support 236 is provided with a bus bar positioning structure, the bus bar positioning structure comprises a positioning frame 2364, a positioning column 2365 and a positioning groove 2363, the positioning frame 2364 is used for limiting the transverse position of the bus bar 2313, the positioning column 2365 is used for limiting the longitudinal position of the bus bar 2313, the positioning groove 2363 is used for limiting the positions of the total positive terminal and the total negative terminal in the bus bar, and the bus bar positioning structure can better limit the position of the bus bar and ensure the stable and reliable connection and operation of the battery module.

The bus bar 2313 is provided with a groove matched with a positioning column 2365, and the positioning column 2365 is embedded in the groove.

An external serial wiring harness fixing groove frame 2361 is arranged on the bus bar support 236 and used for fixing an external serial wiring harness.

A side bar 2362 is arranged between the bus bar support 236 and the first side plate 2321/the second side plate 2322, and the bus bar support 236 and the first side plate 2321/the second side plate 2322 are connected and fixed through the side bar 2362.

The battery module 23 further includes an FPC2312, and the FPC2312 is connected to the BMS module 238 through an FPC adaptor bracket 2314.

The battery module 23 further includes a total positive connecting bracket 2311 and a total negative connecting bracket 2310, and the total positive terminal and the total negative terminal of the bus bar 2313 are respectively connected to the BMS module 238 through the total positive connecting bracket 2311 and the total negative connecting bracket 2310.

The total positive transfer bracket 2311 and the total negative transfer bracket 2310 are both in sliding connection with the busbar bracket 236, and the total positive transfer bracket 2311 and the total negative transfer bracket 2310 are both movable brackets, so that the damage can be worse, and the maintenance cost is reduced.

The total positive transfer support 2311 and the total negative transfer support 2310 are both provided with insulating covers.

To sum up, in the battery pack for the electric light truck in the embodiment, the battery cell of the whole battery module is horizontal, so that the problem that the logistics vehicle is not suitable for the battery cell with a specific size is solved, the assembly is simple and flexible, and the number of the battery cells in series connection and parallel connection can be increased or reduced; the module can be more reliably installed and positioned and can be more quickly and stably connected by arranging the positioning spacer ribs, the positioning grooves and the like, and the assembly speed is improved; through the busbar location structure who sets up, can restrict the position of busbar better, guarantee that battery module connects and the operation is reliable and stable, is worth being used widely.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a light support mechanism for calorie of battery package which characterized in that: including first bottom locating rack, intermediate junction frame, second bottom locating rack, two module shells, first bottom locating rack passes through intermediate junction frame with the second bottom locating rack is connected, the module shell includes base, upper cover, module location connection structure, the base with the upper cover is connected, module location connection structure and each battery module accordant connection, the base with the bottom locating rack is connected.

2. The support mechanism for a light truck battery pack according to claim 1, characterized in that: module location connection structure includes that a plurality of location separate muscle, a plurality of connection locating hole, and a plurality of location separate the equidistant parallel arrangement of muscle and be in the inside bottom of base, two adjacent location separate between the muscle form with battery module bottom size assorted module constant head tank, battery module bottom is located the inside of module constant head tank, and with the location separates the muscle and connects.

3. The support mechanism for a light truck battery pack according to claim 2, characterized in that: the first bottom locating rack and the second bottom locating rack are both provided with L-shaped connecting plates, one ends of the L-shaped connecting plates are connected with structural members of the light truck, the other ends of the L-shaped connecting plates are connected with the bottoms of the first bottom locating rack and the second bottom locating rack, and two ends of the middle connecting rack are detachably connected with the L-shaped connecting plates.

4. The support mechanism for a light truck battery pack according to claim 3, characterized in that: the both ends of intermediate junction frame are provided with slider formula connector, be provided with on the L shape connecting plate with slider formula connector assorted protruding track, slider formula connector with protruding track accordant connection, slider formula connector with all be provided with a plurality of connection screw on the protruding track, through with the L shape connecting plate is connected to the interval of the different positions of intermediate junction frame in order to adjust both sides module.

5. The support mechanism for a light truck battery pack according to claim 4, characterized in that: the module shell is provided with an output interface, and the output interface is electrically connected with the battery module.

6. The support mechanism for a light truck battery pack according to claim 5, characterized in that: the module shell is also provided with an input interface, and the input interface is electrically connected with the battery module.

7. The support mechanism for a light truck battery pack according to claim 6, characterized in that: and a plurality of lightening holes are formed in the first bottom positioning frame and the second bottom positioning frame.