CN217114651U

CN217114651U - PACK of electric motor car lithium cell

Info

Publication number: CN217114651U
Application number: CN202122292808.XU
Authority: CN
Inventors: 朱彬彬
Original assignee: Suzhou Eagle Electric Vehicle Manufacturing Co Ltd
Current assignee: Suzhou Eagle Electric Vehicle Manufacturing Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-08-02
Anticipated expiration: 2031-09-23

Abstract

The application relates to a PACK of electric motor car lithium cell, the PACK of electric motor car lithium cell is installed in the frame, the PACK of electric motor car lithium cell is including installing battery package in the frame is in with installing seat on the battery package, battery package includes battery barrel support body, sets up electric core and BMS in the battery barrel support body, the seat is including installing seat pad on the battery barrel support body. The utility model discloses a fix the seat installation on the battery package, so, need not additionally to set up the support body that is used for supporting the seat to alleviate the whole weight of the PACK of electric motor car lithium cell, and because directly install the seat on the battery package, compare with prior art, install simpler.

Description

PACK of electric motor car lithium cell

Technical Field

The utility model relates to a PACK of electric motor car lithium cell belongs to the new forms of energy vehicle field.

Background

Along with the popularization of new energy passenger cars, the use amount of the electric passenger cars is increased year by year, and the battery pack is used as a power source of the electric passenger cars and has technical requirements on the use environment, such as dustproof performance, waterproof performance, impact resistance performance and the like. The existing electric passenger car is provided with a battery pack integrally by arranging devices such as an electric core and a BMS (battery management system) in a metal box body, but when the battery pack is arranged below a car seat, the battery pack is assembled firstly, then a seat fixing support and a decorating part are arranged around the battery pack, and then a passenger seat is arranged, so that the structure is complex, the maintenance is inconvenient, and meanwhile, the metal shell increases the weight and the cost of the whole car.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PACK of simple and light electric motor car lithium cell of installation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a PACK of electric motor car lithium cell, PACK of electric motor car lithium cell is installed in the frame, PACK of electric motor car lithium cell is including installing battery package in the frame is in with installing seat that the battery wrapped, the battery package includes battery bucket support body, sets up electric core and BMS in the battery bucket support body, the seat is including installing seat pad on the battery bucket support body.

Further, the battery barrel frame body includes the roof, seted up the installation opening on the roof, the seat pad is installed on the opening and seals the opening.

Further, the seat cushion includes a cushion body that is mounted on the opening and closes the opening seat plate and covers at least an upper surface of the seat plate.

Further, the seat plate is mounted on the opening by a fixing member, which is a hinge.

Further, the seats are tandem seats.

Further, the seat includes handles mounted on both sides of the seat cushion and a seat back mounted on the sides of the seat cushion.

Further, the side of battery barrel support body is provided with the access hole and installs maintenance apron on the access hole, maintenance apron with the connection can be dismantled to the battery barrel support body, install circuit connector on the electricity core, be located access hole department, maintenance apron is located the circuit connector outside.

Further, the battery barrel frame body is a glass fiber reinforced plastic barrel.

The beneficial effects of the utility model reside in that: the utility model discloses a fix the seat installation on the battery package, so, need not additionally to set up the support body that is used for supporting the seat to alleviate the whole weight of PACK of electric motor car lithium cell, and because directly install the seat on the battery package, compare with prior art, the installation is simpler.

The battery barrel frame body is provided with an access hole and an access cover plate, so that subsequent inspection and maintenance are facilitated; the battery barrel support body is made of glass fiber reinforced plastic materials, has the dustproof and waterproof functions, is high in strength, and can protect the battery core and the BMS.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is the PACK schematic diagram of the lithium battery of the electric vehicle according to an embodiment of the present invention.

Fig. 2 is a left side view schematically illustrating PACK of the lithium battery of the electric vehicle shown in fig. 1.

Fig. 3 is a schematic plan view of the PACK of the lithium battery for an electric vehicle according to the present embodiment after the battery barrel body and the battery cell are assembled with the BMS.

Fig. 4 is a left side view schematically illustrating the battery barrel body and the battery cell of fig. 3 after being assembled with the BMS.

Fig. 5 is a schematic structural view of the access panel in the embodiment.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 3, PACK10 of a lithium battery of an electric vehicle according to an embodiment of the present invention is mounted in a vehicle frame (not shown). PACK10 of electric motor car lithium cell is including installing battery package 2 in the frame and installing seat 1 on battery package 2. The battery pack 2 comprises a battery cell 21BMS22, wherein the battery barrel frame body 23 is arranged in the battery barrel frame body 23, the structure and the connection mode of the battery cell 21BMS22 are the prior art, and the detailed description thereof is omitted. The seat 1 includes a seat cushion 11 mounted on the battery tub frame 23. Install seat 1 on battery package 2 for battery package 2 plays supporting role to seat 1, so, need not additionally to set up the support body that is used for supporting seat 1, thereby alleviates electric motor car lithium cell's PACK 10's whole weight, and because directly install seat 1 on battery package 2, compare with prior art, installs simplyr.

The battery barrel support 23 comprises a top wall 24, an installation opening 25 is opened on the top wall 24, and the seat cushion 11 is installed on the opening 25 and closes the opening 25. Wherein the seat cushion 11 comprises a seat plate 15 mounted on the opening and closing the opening 25, and a cushion 14 covering at least the upper surface of the seat plate 15, and the seat plate 15 is mounted on the opening 25 by a fixing member 5, so that the battery pack forms a closed structure to prevent dust and water from damaging the battery cells 21 and the BMS 22.

In this embodiment, the seat plate 15 is installed on the opening 25 through the articulated elements, specifically, both sides of the articulated elements are respectively fixed on the lower surface of the seat plate 15 and the edge of the opening 25, it should be noted that the articulated elements adopted in this embodiment have a simple structure, and the seat can be rotated and opened along the axis of the articulated elements, so as to facilitate the installation and replacement of the battery cell in the later period. Of course, in practical applications, the type of the fixing member may be changed according to practical situations, and specifically, the fixing member may be a buckle or a bolt, which is not illustrated here, as long as the seat plate 15 is mounted on the opening 25.

The seat 1 can accommodate at least two persons to sit on, in the embodiment, the seat 1 is a tandem seat, the length of the tandem seat is n times (n is more than or equal to 2) of the length of a single seat, and the length of the tandem seat can simultaneously allow at least two persons to sit side by side. Correspondingly, the inner depth of the seat barrel frame body is two times or three times of that of a single seat, so that a battery cell with larger volume can be accommodated.

In this embodiment, the height of the PACK of the lithium battery of the electric vehicle is set to 910mm, the length is set to 1360mm, and the width is set to 480mm, in practical application, the size of the PACK of the lithium battery of the electric vehicle can be adjusted according to requirements, and the size of the seat 1 is also adjusted accordingly.

In order to improve the comfort of the seat 1, the seat 1 in this embodiment is further provided with handles 13 mounted on both sides of the seat cushion 11 and a seat back 12 mounted on the side of the seat cushion 11. In the actual installation process, the lower half part of PACK10 of the lithium battery of the electric vehicle, namely the battery PACK 2, is firstly assembled, specifically, the battery cell 21 and the BMS22 are installed in the battery barrel frame body 23 to form the battery PACK 2, and the battery PACK 2 is installed and fixed on the vehicle frame; the seat 1 is assembled by reassembling the upper half of PACK10 of the lithium battery of the electric vehicle, specifically, a cushion body 14 is mounted on a seat plate 15 to form a seat cushion 11, then a seat back 12 and a handle 13 are respectively mounted on the side edges of the seat cushion 11 to form the seat 1, and the seat 1 is mounted on the battery PACK 2 and fixed by a hinge. Therefore, when the whole vehicle is installed, the vehicle can be installed in place at one time, and the assembly operation is simple and rapid.

Referring to fig. 4 and 5 in combination with fig. 1, in order to facilitate the maintenance of the battery pack 2, an access opening 3 and an access cover plate 4 installed on the access opening 3 are provided on a side surface of the battery barrel frame body 23, the access cover plate 4 is detachably connected to the battery barrel frame body 23, a circuit connector 26 is installed on the battery cell 21 and located at the access opening 3, and the access cover plate 4 is located outside the circuit connector 26.

In an embodiment, the service opening 3 and the service cover 4 may be installed at either side of the battery bucket frame body 23. Specifically, the access hole 3 with the access cover plate 4 is installed the left side of battery barrel support body 23, the edge of access cover plate 4 covers in the edge outside of the time access hole 3 to make access cover plate 4 can cover access hole 3 completely. The edge of access panel 4 is provided with first mounting hole 41, the edge of access panel 3 be provided with the second mounting hole 31 of 41 one-to-one of first mounting hole, first mounting hole 41 and second mounting hole 31 pass through bolted connection fixed to this realizes that battery bucket support body 23 is connected with dismantling of access panel 4, when needs overhaul and maintain during battery package 2, only need open access panel 4, can overhaul the maintenance operation, make the dismouting simple, convenient and fast more. It should be noted that, the bolt adopted in this embodiment belongs to a threaded fastener, and its structure is simple, connection is reliable, assembly and disassembly are convenient, and belongs to a common fastener, and it is convenient to maintain and change, in practical application, can change the fastener category according to the actual conditions, and it is not exemplified here one by one.

And a circuit connector 26 is further mounted on the battery cell 21 and is positioned at the access opening 3. In a specific embodiment, the protection rating of circuit connector 26 may be set to IP67 or IP68, and in this embodiment, the protection rating of circuit connector 26 is IP 67. The circuit connector 26 can bridge the communication between the blocked or isolated circuits in the circuit, thereby allowing the current to flow and the circuit to perform the predetermined function. It should be noted that the circuit connector is a conventional component in the art, and the structure and function thereof are well known to those skilled in the art, so that the detailed description thereof is omitted here.

The detection cover plate 4 is positioned at the outer side of the circuit connector 26, and the structural design of the maintenance cover plate 4 and the maintenance opening 3 is utilized, so that the detection cover plate 4 plays a role in shielding the circuit connector 26, and can insulate and shield an external leaked electric part (not shown), thereby improving the use safety and the service life of the battery pack.

In order to provide a suitable battery use environment, the battery barrel frame body 23 is a glass fiber reinforced plastic barrel, and specifically, the glass fiber reinforced plastic barrel is processed and manufactured by using resin and glass fiber as raw materials. The glass fiber reinforced plastic barrel has the advantages of light weight, high strength, corrosion resistance, heat preservation, insulation, sound insulation and the like, and can play a role in water resistance and dust prevention.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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

1. The utility model provides a PACK of electric motor car lithium cell, a serial communication port, the PACK of electric motor car lithium cell is installed in the frame, the PACK of electric motor car lithium cell is including installing battery package in the frame is in with installing seat on the battery package, the battery package includes battery barrel support body, sets up electric core and BMS in the battery barrel support body, the seat is including installing seat pad on the battery barrel support body.

2. The PACK for a lithium battery of an electric vehicle as claimed in claim 1, wherein the battery barrel housing includes a top wall, the top wall having a mounting opening formed therein, the seat cushion being mounted on and closing the opening.

3. The PACK for a lithium battery of an electric vehicle as claimed in claim 2, wherein the seat cushion comprises a seat plate installed on and closing the opening and a cushion body covering at least an upper surface of the seat plate.

4. The PACK for a lithium battery of an electric vehicle as claimed in claim 3, wherein the seat plate is mounted on the opening by a fixing member, the fixing member being a hinge member.

5. A PACK for a lithium battery for an electric vehicle as claimed in claim 1, wherein said seat is a tandem seat.

6. The PACK for a lithium battery of an electric vehicle as claimed in claim 5, wherein the seat comprises handles installed at both sides of the seat cushion and a seat back installed at a side of the seat cushion.

7. The PACK of an electric vehicle lithium battery as claimed in claim 1, wherein a maintenance opening and a maintenance cover plate installed on the maintenance opening are arranged on the side surface of the battery barrel frame body, the maintenance cover plate is detachably connected with the battery barrel frame body, a circuit connector is installed on the battery core and located at the maintenance opening, and the maintenance cover plate is located on the outer side of the circuit connector.

8. The PACK for a lithium battery of an electric vehicle as claimed in claim 1, wherein the battery barrel holder body is a glass fiber reinforced plastic barrel.