CN218525623U

CN218525623U - Battery replacement shell

Info

Publication number: CN218525623U
Application number: CN202221614111.8U
Authority: CN
Inventors: 陈思宇; 刘子叶
Original assignee: Shanghai Guoxia Technology Co ltd
Current assignee: Jiangsu Guoxia Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2023-02-24
Anticipated expiration: 2032-06-24

Abstract

The application relates to a battery replacement shell, which relates to the technical field of lithium battery shells and comprises a metal shell, wherein an opening is formed in the metal shell, and the metal shell is used for mounting a battery module; the metal shell is covered with a non-metal upper cover at the opening, the non-metal upper cover is provided with at least one socket, and the socket is electrically connected with the battery module; a module cavity is formed between the nonmetal upper cover and the battery module, and at least a communication module is installed in the module cavity. This application can improve battery case and cause signal shielding's problem to inside communication module.

Description

Battery replacing shell

Technical Field

The application relates to the technical field of lithium battery shells, in particular to a battery replacement shell.

Background

In recent years, along with the development of lithium battery technology, a battery replacement mode characterized by vehicle-electricity separation greatly reduces the acquisition cost of consumers, improves the efficiency of planned power supply of a power supply mode to a battery, and greatly shortens the vehicle energy supplementing time. However, since the battery replacement mode has a certain sharing property, compared with a privatized battery, the battery usage environment is more complicated, and the battery case becomes more important to ensure the normal operation and the service life of the battery.

Chinese utility model patent that the grant bulletin number is CN207116507U discloses a metal-case battery, draw forth the end including shell, utmost point group and the polarity that sets up at the shell both ends, and wherein, the inner wall of shell is equipped with the insulating layer, and at least one metal spacer sets up the inner space at the shell, and the spacer all draws forth the end with polarity and is parallel, separates the inner space of shell for a plurality of subspaces, sets up an utmost point group in every subspace, and the two-stage of utmost point group is drawn forth the end electricity with spacer or polarity respectively and is connected.

With respect to the related art among the above, the inventors consider that the following drawbacks occur: when the battery is used, wireless communication modules such as Bluetooth, GPS and 4G need to be installed, the metal shell can shield the modules by using signals, and if a communication window is arranged on the battery shell or an external antenna is adopted, the battery is easy to break.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the battery case causes signal shielding to inside communication module, this application provides a trade battery case.

The application provides a trade battery case adopts following technical scheme:

the battery replacement shell comprises a metal shell, wherein an opening is formed in the metal shell, and the metal shell is used for mounting a battery module; the metal shell is covered with a non-metal upper cover at the opening, the non-metal upper cover is provided with at least one socket, and the socket is electrically connected with the battery module; a module cavity is formed between the nonmetal upper cover and the battery module, and at least a communication module is installed in the module cavity.

By adopting the technical scheme, when the battery replacement device is used, the battery module is arranged in the metal shell, the metal shell plays a role in protecting the battery module, and the shell made of metal has better heat-conducting property, so that the battery module can radiate heat through the metal shell when in work, the nonmetal upper cover covers the opening of the metal shell, the nonmetal upper cover plays a role in shielding and protecting the battery module, and the socket on the nonmetal upper cover is electrically connected with the battery module, so that the external charging and discharging operations of the battery module are realized; install electronic components such as communication module and BMS board in module cavity department, nonmetal upper cover is more weak to communication module's signal attenuation to the inside communication module of battery of being convenient for communicates with the external world.

Optionally, a limiting bracket is arranged between the metal shell and the non-metal upper cover, and the module cavity is arranged between the limiting bracket and the non-metal upper cover; the battery module is characterized in that an insulating plate is arranged on the limiting support, the insulating plate is located on one side, far away from the nonmetal upper cover, of the limiting support, and the insulating plate is abutted to the battery module.

Through adopting above-mentioned technical scheme, when installing electronic components such as communication module, install it on spacing support, can improve communication module's installation stability, insulation board between spacing support and the battery module can cut apart electronic components such as battery module and communication module, avoids the battery module to cause the influence to communication module's work.

Optionally, be provided with the PCB keysets in the metal casing, PCB keysets and battery module fixed connection, one side that the PCB keysets is close to the insulation board relatively is provided with the buffering bubble cotton, the insulation board contradicts with the cotton elasticity of buffering bubble.

Through adopting above-mentioned technical scheme, the PCB keysets can be unified the interface on the battery module mutually to be convenient for carry out electricity and signal connection through concentrating the interface with the battery module, be located the buffering bubble cotton between PCB keysets and the insulation board, can effectively absorb the impact force on PCB keysets and the spacing support, play the guard action to the part of both sides.

Optionally, an epoxy cover plate is arranged on one side of the limiting support, which is relatively far away from the insulating plate, and the size of the epoxy cover plate is matched with that of the opening of the metal shell.

Through adopting above-mentioned technical scheme, epoxy apron and spacing support combined action are shielded the frame with electronics such as communication module and are established the protection, and with the epoxy apron of metal casing size looks adaptation, can seal metal casing's opening part to shield electronics such as battery module, spacing support and communication module and protect in metal casing, and the epoxy apron can not lead to the fact negative effects to communication module and external communication.

Optionally, a falling groove is formed in one side, relatively far away from the metal shell, of the non-metal upper cover, and a handle is arranged in the falling groove in a lifting mode; the nonmetal upper cover is provided with at least one slot in the position groove, the handle is provided with a connecting block, and the connecting block is arranged in the slot in a lifting mode.

By adopting the technical scheme, the handle at the non-metal upper cover can be convenient for extracting and replacing the battery replacement body, and the handle is arranged in the falling groove in a lifting manner, so that the handle is prevented from protruding out of the surface of the non-metal upper cover, the surface smoothness of the battery replacement shell is improved, and the probability of damage of the handle due to collision in the working process of battery replacement is reduced; when the handle is lifted and moved at the position of the falling groove, the connecting block on the handle is lifted and arranged in the slot of the non-metal upper cover.

It is optional, run through on the connecting block and seted up waist shape hole, nonmetal upper cover is located the slot both sides and has seted up the jack, two the jack corresponds the intercommunication with waist shape hole, nonmetal upper cover is located the jack internal fixation and is provided with the bolt, the bolt both ends are the fixed jack that sets up the connecting hole both sides respectively, the bolt is worn to locate in waist shape hole.

Through adopting above-mentioned technical scheme, when the handle was installed in the groove department that falls, the bolt both ends were located the jack of slot both sides, and the waist shape hole on the connecting block is passed in the middle part of bolt to when the connecting block in slot lift removal, the bolt plays the limiting displacement to the removal interval of connecting block, avoids the handle to drop from the groove department that falls.

Optionally, at least one jack penetrates through the side wall of the non-metal upper cover, and the plug is in interference fit with the jack.

Through adopting above-mentioned technical scheme, when installing the handle, insert the slot with the connecting block earlier in, and make two jacks and waist shape hole intercommunication on same axis, lie in the opening part of nonmetal upper cover lateral wall with the bolt and insert from the jack, because bolt and jack interference fit, and then at the in-process that the bolt inserted the jack, the bolt can send the friction damage with the jack lateral wall to make the bolt fixed in the jack, improved the installation stability of handle in the groove department that falls.

Optionally, the sealing groove has been seted up to nonmetal upper cover and the mutual laminating department of metal casing, nonmetal upper cover is located sealing groove department and is provided with seal ring, metal casing and the sealed conflict of seal ring.

Through adopting above-mentioned technical scheme, after nonmetal upper cover was installed on metal casing, seal ring was contradicted with metal casing is sealed to improve nonmetal upper cover and metal casing seam crossing's sealing performance, improve and trade the holistic waterproof performance of battery case, and seal ring is located the seal groove, can improve seal ring's installation stability.

Optionally, the nonmetal upper cover is close to one side of metal casing relatively, and is located seal groove week side and is provided with the installing frame, metal casing and installing frame sliding conflict.

Through adopting above-mentioned technical scheme, when installing the non-metal upper cover at metal casing, the installing frame can play the guide effect to non-metal upper cover and metal casing, improves the accurate nature of installation, and slides between metal casing and the installing frame and contradict and can further improve the waterproof performance who trades battery case.

To sum up, the present application includes at least the following beneficial technical effects:

1. the metal shell is provided with an opening and used for installing the battery module; the metal shell is covered with a non-metal upper cover at the opening, the non-metal upper cover is provided with at least one socket, and the socket is electrically connected with the battery module; a module cavity is formed between the non-metal upper cover and the battery module, and at least a communication module is arranged in the module cavity; when the battery replacement device is used, the battery module is arranged in the metal shell, the metal shell plays a role in protecting the battery module, and the shell made of metal has better heat-conducting property, so that the battery module can dissipate heat through the metal shell when in work, the nonmetal upper cover covers the opening of the metal shell, the nonmetal upper cover plays a role in shielding and protecting the battery module, and the socket on the nonmetal upper cover is electrically connected with the battery module, so that the external charging and discharging operation of the battery module is realized; install electronic components such as communication module and BMS board in module cavity department, nonmetal upper cover is more weak to communication module's signal attenuation to the inside communication module of battery of being convenient for communicates with the external world.

Drawings

Fig. 1 is a schematic view of the overall structure of a battery replacement housing in the embodiment of the present application.

Fig. 2 is an exploded view of the battery module mounted on the replaceable battery case according to the embodiment of the present disclosure.

FIG. 3 is a cross-sectional view of the non-metallic cover of the embodiment of the present application with the handle located in the seating groove.

Fig. 4 is a schematic view of a cross-sectional structure of a non-metal upper cover pulled out of a drop groove in an embodiment of the present application.

Fig. 5 is a schematic cross-sectional view illustrating a battery module mounted on a replaceable battery housing according to an embodiment of the present disclosure.

Fig. 6 is an enlarged schematic view of a portion a in fig. 5.

Description of reference numerals: 1. a metal housing; 2. a battery module; 3. a non-metallic upper cover; 4. a position falling groove; 5. a slot; 6. a handle; 7. connecting blocks; 8. a jack; 9. a waist-shaped hole; 10. a bolt; 11. mounting grooves; 12. a socket; 13. a sealing groove; 14. a sealing gasket; 15. installing a frame; 16. a limiting bracket; 17. an epoxy cover plate; 18. a module cavity; 19. a communication module; 20. an insulating plate; 21. a PCB adapter plate; 22. and (5) buffering foam.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses trade battery case.

Referring to fig. 1 and 2, trade battery case, including metal casing 1, metal casing 1 is the cuboid setting, and metal casing 1 is the opening setting along self length direction's one side, is used for the fixed battery module 2 of installation in the metal casing 1, and battery module 2's appearance length and width size and metal casing 1 internal dimension adapt to each other, and both cooperation error tolerance are less than 0.5mm. In the embodiment of the application, the metal shell 1 is made of an aluminum alloy material, the four side surfaces of the metal shell 1 are formed by die sinking and extrusion, the bottom surface of the metal shell 1 is installed in a laser welding mode, and the inner surface and the outer surface of the metal shell 1 are subjected to sand blasting oxidation treatment.

Referring to fig. 2, metal casing 1 is located the opening part lid and is equipped with nonmetal upper cover 3, and after nonmetal upper cover 3 installed on metal casing 1, trade battery case along self length direction's week side wall surface level, in the embodiment of this application, nonmetal upper cover 3 is made for V0 level ABS + PC fire-resistant material to adopt the whole injection moulding of die sinking. Install eight bolts on nonmetal upper cover 3, bolt two liang of distribution is in four extreme angle departments of nonmetal upper cover 3, and the bolt is used for fixing nonmetal upper cover 3 installation on metal casing 1, corresponds on the metal casing 1 to set up with bolt complex screw.

Referring to fig. 2 and 3, the nonmetal shell 1 is located on the side wall relatively far away from the metal shell 1 and is provided with a falling groove 4, the falling groove 4 is transversely provided on the nonmetal shell 1, the nonmetal shell 1 is located in the falling groove 4 and is communicated with the falling groove 4 and is provided with two slots 5, and the two slots 5 are respectively located at two ends of the falling groove 4 in the direction.

Referring to fig. 2 and 3, non-metal casing 1 is located 4 departments of falling and is provided with handle 6, and handle 6 goes up and down along 1 length direction of metal casing and sets up, and integrated into one piece is provided with and is rectangular connecting block 7 on handle 6, and connecting block 7 is located slot 5 and goes up and down to remove, and in this application embodiment, handle 6 and connecting block 7 adopt the die sinking to mould plastics integrated into one piece setting. When the handle 6 is positioned in the falling groove 4, the top surface of the handle 6 is lower than the notch of the falling groove 4.

Referring to fig. 2 to 4, jack 8 has been seted up in the both sides intercommunication that non-metallic shell 1 is located slot 5, and jack 8 sets up about slot 5 symmetry, and two jacks 8 set up the direction along falling position groove 4 and distribute, run through on the connecting block 7 and seted up waist shape hole 9, and the length direction in waist shape hole 9 is parallel to each other with handle 6 lift direction, and jack 8 corresponds the intercommunication with waist shape hole 9. The nonmetal shell 1 is arranged in the jacks 8 and is provided with bolts 10 in an interference mode, two ends of each bolt 10 are fixedly arranged in the jacks 8 on two sides respectively, and the middle of each bolt 10 is located in the connecting hole. When the handle 6 moves up and down, the connecting block 7 moves in the slot 5, and the bolt 10 limits the moving position of the connecting block 7 and prevents the connecting block 7 from being separated from the slot 5.

Refer to fig. 2 to 4, be located nonmetal upper cover 3, and be located and fall 4 jacks 8 that offer the direction both ends in groove, run through 3 lateral walls of nonmetal upper cover and communicate each other with the external world, 3 lateral walls of nonmetal upper cover are located 8 opening week sides of jack and have seted up mounting groove 11, mounting groove 11 and the coaxial setting of jack 8, and the aperture of mounting groove 11 is greater than jack 8, be convenient for in 6 installation of handle, insert slot 5 with bolt 10 from 8 departments of jack, and after the installation of bolt 10, can locate to plug article such as rubber cover in the mount pad, protect bolt 10 seals.

Referring to fig. 1 and 2, nonmetal upper cover 3 is provided with two sockets 12 on the lateral wall of the groove 4 that falls, and two sockets 12 are located the homonymy of the groove 4 that falls, and when trading the battery use, two sockets 12 all are connected with battery module 2 electricity, and in this application embodiment, two sockets 12 are used for respectively charging and discharging operation to battery module 2.

Referring to fig. 5 and 6, nonmetal upper cover 3 is close to one side of metal casing 1 relatively, and the laminating department that is located nonmetal upper cover 3 and metal casing 1 has seted up seal groove 13, seal groove 13 is whole to be the frame groove along 3 circumference of nonmetal upper cover, nonmetal upper cover 3 is located and is provided with seal ring 14 in seal groove 13, when nonmetal upper cover 3 and metal casing 1 installation are fixed, seal ring 14 contradicts with 1 end side seal of metal casing, seal ring 14 is the rubber circle in the embodiment of this application, and adopt die sinking injection moulding. Nonmetal casing 1 is located by seal groove 13, and is located nonmetal casing 1 inboard integrated into one piece and has installing frame 15, and installing frame 15 sets up towards 1 orientation of metal casing, and when nonmetal upper cover 3 and metal casing 1 installation, installing frame 15 plays the slide guide effect to nonmetal upper cover 3, and can improve the sealing performance who trades battery case.

Referring to fig. 2 and 5, a limiting bracket 16 is arranged between the non-metal upper cover 3 and the metal shell 1 and inside the non-metal upper cover and the metal shell, an epoxy cover plate 17 is fixedly arranged on one side of the limiting bracket 16 relatively close to the non-metal upper cover 3, and the size of the opening of the epoxy cover plate 17 is adapted to that of the opening of the metal shell 1. Install battery module 2 back in metal casing 1, spacing support 16 and epoxy apron 17 are located battery module 2 and are close to one side of nonmetal upper cover 3 relatively, and epoxy apron 17 slides and sets up the opening part at metal casing 1.

Referring to fig. 2 and 5, a module cavity 18 is formed between the epoxy cover plate 17 and the limiting support 16, various modules, integrated boards and the like can be installed in the module cavity 18, if a communication module 19 is installed in the module cavity 18, the epoxy plate and the nonmetal upper cover 3 are not prone to attenuation influence on communication signals, a window does not need to be separately opened or an external antenna does not need to be used, and therefore data change inside the battery can be monitored and replaced from the outside, and stability of products is enhanced.

Referring to fig. 2 and 5, an insulating plate 20 is arranged on one side of the limiting support 16, which is relatively far away from the epoxy cover plate 17, the insulating plate 20 is fixed on the limiting support 16 by using screws, a PCB adapter plate 21 is arranged on one side of the battery module 2, which is relatively close to the insulating plate 20, the PCB adapter plate 21 is fixedly connected with the battery module 2, the PCB adapter plate 21 is used for unifying interfaces on the battery module 2, two buffer foam 22 are arranged between the insulating plate 20 and the PCB adapter plate 21, and the buffer foam 22 elastically abuts against both the insulating plate 20 and the PCB adapter plate 21.

The implementation principle of the battery replacement shell in the embodiment of the application is as follows: when the battery replacement device is used, the battery module 2 is installed in the metal shell 1, the metal shell 1 plays a role in protecting the battery module 2, and the shell made of metal is good in heat conduction performance, the battery module 2 can dissipate heat through the metal shell 1 when in work, the nonmetal upper cover 3 covers the opening of the metal shell 1, the nonmetal upper cover 3 plays a role in shielding and protecting the battery module 2, and the socket 12 on the nonmetal upper cover 3 is electrically connected with the battery module 2, so that the external charging and discharging operations of the battery module 2 are realized; the communication module 19, the BMS board and other electronic devices are arranged at the module cavity 18, and the nonmetal upper cover 3 is weaker in signal attenuation of the communication module 19, so that the communication module 19 in the battery can communicate with the outside conveniently.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Trade battery case, its characterized in that: the battery module comprises a metal shell (1), wherein an opening is formed in the metal shell (1), and the metal shell (1) is used for mounting a battery module (2); a nonmetal upper cover (3) is arranged on the metal shell (1) at the opening in a covering mode, at least one socket (12) is arranged on the nonmetal upper cover (3), and the socket (12) is electrically connected with the battery module (2); a module cavity (18) is formed between the nonmetal upper cover (3) and the battery module (2), and at least a communication module (19) is installed in the module cavity (18).

2. The replaceable battery housing of claim 1, wherein: a limiting bracket (16) is arranged between the metal shell (1) and the nonmetal upper cover (3), and the module cavity (18) is arranged between the limiting bracket (16) and the nonmetal upper cover (3); be provided with insulation board (20) on spacing support (16), insulation board (20) are located one side that spacing support (16) kept away from nonmetal upper cover (3) relatively, insulation board (20) contradict each other with battery module (2).

3. The replaceable battery housing of claim 2, wherein: be provided with PCB keysets (21) in metal casing (1), PCB keysets (21) and battery module (2) fixed connection, one side that PCB keysets (21) are close to insulation board (20) relatively is provided with buffering bubble cotton (22), insulation board (20) and buffering bubble cotton (22) elasticity are contradicted.

4. The replaceable battery housing of claim 2, wherein: and an epoxy cover plate (17) is arranged on one side, relatively far away from the insulating plate (20), of the limiting support (16), and the epoxy cover plate (17) is matched with the opening of the metal shell (1) in size.

5. The replaceable battery housing of claim 1, wherein: a falling groove (4) is formed in one side, far away from the metal shell (1), of the nonmetal upper cover (3), and a handle (6) is arranged in the falling groove (4) in a lifting mode; at least one slot (5) is arranged in the position-falling groove (4) of the nonmetal upper cover (3), a connecting block (7) is arranged on the handle (6), and the connecting block (7) is arranged in the slot (5) in a lifting mode.

6. The replaceable battery housing of claim 5, wherein: run through on connecting block (7) and seted up waist shape hole (9), non-metallic upper cover (3) are located slot (5) both sides and have seted up jack (8), two jack (8) correspond the intercommunication with waist shape hole (9), non-metallic upper cover (3) are located jack (8) internal fixation and are provided with bolt (10), bolt (10) both ends are fixed respectively in jack (8) that set up the connecting hole both sides, bolt (10) are worn to locate waist shape hole (9).

7. The replaceable battery housing of claim 6, wherein: at least one jack (8) runs through the side wall of the nonmetal upper cover (3), and the bolt (10) is in interference fit with the jack (8).

8. The replaceable battery housing of claim 1, wherein: sealing groove (13) have been seted up in nonmetal upper cover (3) and metal casing (1) department of laminating each other, nonmetal upper cover (3) are located sealing groove (13) and locate to be provided with seal ring (14), metal casing (1) is contradicted with seal ring (14) is sealed.

9. The replaceable battery housing of claim 8, wherein: nonmetal upper cover (3) are close to one side of metal casing (1) relatively, and are located seal groove (13) week side and are provided with installing frame (15), metal casing (1) and installing frame (15) sliding conflict.