WO2016070782A1

WO2016070782A1 - Battery box, fast-mounting accumulator system and electric vehicle

Info

Publication number: WO2016070782A1
Application number: PCT/CN2015/093652
Authority: WO
Inventors: 王启文; 马永泉; 陈小根; 叶剑; 郑鹏飞
Original assignee: 超威电源有限公司
Priority date: 2014-11-04
Filing date: 2015-11-03
Publication date: 2016-05-12

Abstract

A battery box (1); the battery box (1) is electrically connected to a power socket (6), an accumulator inserting slot (1a) is formed in the battery box (1), and a plurality of conductive members (5, 7) are provided on the inner wall thereof. When an accumulator (2) is fitted in the inserting slot, battery terminals (3) of the accumulator (2) matches and abuts conductive terminals (8) of the conductive members at corresponding positions to form an electric connection between the accumulator (2) and the power socket (6), enabling the accumulator (2) to be charged or discharged via the power socket (6). When a plurality of accumulators (2) are mounted in the accumulator inserting slot (1a), the plurality of conductive members except a socket conductive member (5) may also comprise battery conductive members (7), the conductive terminals at two ends thereof being electrically connected on the corresponding battery terminals of the two adjacent accumulators (2) to connect the accumulators (2) in series. Also disclosed is a fast-mounting accumulator system comprising the battery box (1), the system comprising the battery box (1), the accumulator (2) and the power socket (6). Also disclosed is an electric vehicle comprising the fast-mounting accumulator system. The system enables the accumulator to be conveniently and efficiently mounted, thus effectively addressing the problems such as battery leakage and electric energy reduction caused by welding.

Description

Battery box, quick battery system and electric vehicle

Technical field

The invention belongs to the field of batteries and electric vehicles, and in particular relates to a battery box, a battery system and an electric vehicle which can be quickly assembled and used.

Background technique

The battery is the main energy part of the electric vehicle, and the power battery of the electric vehicle in the prior art uses the battery. At present, the power battery device of an electric vehicle generally includes a battery box body, a power socket disposed on the battery box body, and a plurality of battery cells disposed in the battery box body. The battery terminals of the battery cells are electrically connected to the power outlet through wires. Each of the battery cells is connected to each other in series by wires, and both ends of the wires are respectively soldered to the battery terminals. At present, the power battery device of an electric vehicle has the following disadvantages:

First, since the battery terminals and the power sockets and the battery cells are connected by wire bonding, this not only greatly reduces the assembly efficiency and labor intensity of the power battery device, but also the temperature is too high during the wire welding process. It is easy to cause the battery to leak and reduce the electric energy.

Secondly, since the battery cells are connected by wire bonding, the battery terminal and the power socket and the battery cells are easily soldered (virtual welding, soldering, etc.), resulting in the power battery device. During long-term use, the electrical connection structure between the battery terminal and the power socket and between the battery cells is unstable, and the problem of poor contact is likely to occur.

Thirdly, since the battery cells are connected to each other in series by wires, and the wires are discharged in a disorderly manner inside the battery case, there is a possibility of a fire risk caused by a short circuit of the wires. For example, due to factors such as aging and damage of the wire insulation, the wire is short-circuited and causes a fire.

Summary of the invention

In view of the above-mentioned deficiencies or defects in the prior art, the present invention provides a battery box, which not only has the advantages of convenient installation of the battery and high installation efficiency, but also can effectively solve the problem of excessive temperature due to the wire soldering process. The problem caused by battery leakage and lowering of electrical energy.

Another object of the present invention is to provide a quick-load battery system having the battery box and an electric vehicle, the electrical connection structure between the battery terminal of the quick-load battery system of the electric vehicle and the power socket, and between the battery cells It is stable and can effectively solve the problem of fire risk that may be caused by the disordered discharge of wires inside the battery box.

In order to achieve the above object, the present invention provides a battery case, the battery case is connected to a power socket, and a battery insertion slot for mounting a battery is formed in the battery case, and the inner wall of the battery insertion slot is provided with a plurality of conductive members. When the battery is assembled in the battery insertion slot, the battery terminal of the battery is mated with the conductive terminal of the conductive member at the corresponding position to form an electrical connection between the conductive terminal and the power socket and to be charged or discharged via the power socket. .

Preferably, the plurality of conductive members may include at least a socket conductive member electrically connected to the battery terminal of the battery and the power socket.

Preferably, the socket conductive member may be an integrally formed piece.

Preferably, the socket conductive member may be an insulated wire embedded in the inner wall of the battery insertion slot, or the inner wall of the battery insertion slot is provided with a lead groove, and the insulated wire is fixed in the lead groove; and the insulated wire Both ends are exposed, one end of which constitutes a conductive terminal and the battery terminal of the battery, and the other end is electrically connected to the power socket.

Preferably, the socket conductive member may include an intermediate connection portion, one end of the intermediate connection portion is connected with a battery terminal tab electrically connected to the battery terminal of the battery, and the other end is connected with the socket end tab for electrically connecting the power socket. .

Preferably, one end of the battery terminal lug may be a mounting end, the mounting end is fixedly connected to the intermediate connecting portion, or the mounting end may be embedded in the inner wall of the battery insertion slot, or a mounting slot is formed on the inner wall of the battery insertion slot. The mounting end can be fastened and installed in the mounting groove.

Preferably, the battery terminal tab may be an elastic piece. When the battery is assembled in the battery insertion slot, the conductive end of the elastic piece can elastically abut against the battery terminal of the battery, or the conductive end of the elastic piece is provided with a plug. The slot or the insertion hole, when the battery is assembled in the battery insertion slot, the battery terminal of the battery is inserted into the insertion slot or the insertion hole to form an electrical connection.

Preferably, the intermediate connection portion of the socket conductive member may be embedded in the inner wall of the battery insertion slot, or the inner wall of the battery insertion slot may be provided with a lead groove, and the intermediate connection portion may be fixed in the lead groove.

Preferably, an insulating layer may be applied outside the intermediate connection portion of the socket conductive member.

Preferably, the intermediate connection portion of the socket conductive member may be integrally formed with the socket end tab.

Further, the battery insertion slot may include a plurality of single battery insertion slots for mounting a plurality of storage batteries in a one-to-one correspondence, the plurality of conductive members further including a battery conductive member, and the battery conductive member includes an intermediate connection portion and two The conductive terminals of the terminals are electrically connected to the corresponding battery terminals of the adjacent two batteries to complete the series connection of the plurality of batteries.

Wherein, the mounting or fixing structure of the battery conductive member may be similar to the socket conductive member, except that both ends of the battery conductive member are conductive terminals, and one end of the socket conductive member (ie, the battery terminal tab) is a conductive terminal, and the battery The conductive terminals of the conductive members and the conductive structures and mounting structures of the conductive terminals of the socket conductive members may be similar.

The present invention also provides a quick-load battery system having the above battery case, and an electric vehicle having the quick-load battery system, the quick-load battery system including the above-mentioned battery case, a power socket, and a battery, and battery terminals on the battery are set to The conductive terminals in the battery insertion slot are matched, for example, the same number, the opposite positions, and the conductive connection, so that when the battery is correspondingly inserted into the battery insertion slot of the battery box, the battery and the power socket can be simultaneously configured. Electrical connection.

Wherein, the battery insertion slot can be formed in the housing of the battery box, or can be directly formed on the electric vehicle body without a battery box. In other words, the battery case can exist as a separate component or as part of an electric vehicle body, and the battery case is integrally formed with the electric vehicle body. Similarly, the power outlet can also be mounted directly on the body of the electric vehicle.

The beneficial effects of the invention are:

First, not only has the storage battery is convenient to install, the installation efficiency is high, but also the problem that the battery leaks and reduces the electric energy caused by the excessive temperature during the wire welding process can be effectively solved.

Secondly, the electrical connection structure between the battery terminal and the power socket and between the battery cells is stable, and the problem of fire risk that may be caused by the disordered discharge of the wires inside the battery insertion slot can be effectively solved.

Other features and advantages of the invention will be described in detail in the detailed description which follows.

DRAWINGS

The drawings are intended to provide a further understanding of the invention, and are intended to be a In the drawing:

1 is a schematic structural view of a quick-load battery system and a battery case thereof according to Embodiment 1 of the present invention, in which only a single battery is installed in the battery case;

2 is a schematic structural view of a socket conductive member in Embodiment 1 of the present invention;

3 is a schematic structural view of the socket conductive member in the first embodiment of the present invention when it is mounted on the inner wall of the battery insertion slot;

4 is a schematic structural view of a quick-load battery system in Embodiment 2 of the present invention, in which four battery cells are installed in a battery case;

5 is a schematic view showing a connection structure of a power socket, a battery, a socket conductive member, and a battery conductive member in the quick-load battery system according to Embodiment 2 of the present invention;

Figure 6 is a schematic structural view of a battery conductive member in Embodiment 2 of the present invention;

Figure 7 is another schematic structural view of a battery conductive member in Embodiment 2 of the present invention;

Figure 8 is an assembled view of a battery case in accordance with the present invention.

Description of the reference numerals

1 battery box 2 battery

3 battery terminal 4 mounting slot

5 socket conductive member 6 power socket

7 battery conductive member 8 conductive terminal

9a battery case upper case 9b battery case lower case

71 M-shaped structure

51 Battery terminal lug 52 Socket end lug

1a Battery insertion slot 2a～2d Single battery

detailed description

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative and not restrictive.

As shown in FIGS. 1 and 8, the present invention also provides a battery case 1 and a quick-load battery system having the battery case 1. The battery case 1 will be described below by describing the quick-load battery system. Specifically, the quick-loading battery system includes a battery case 1, a battery 2, and a power socket 6. The battery case 1 is formed with a battery insertion slot 1a. The inner wall of the battery insertion slot 1a is provided with a plurality of

conductive members

5, 7. When the battery 2 is assembled in the battery insertion slot 1a, the battery terminal 3 of the battery 2 is mated with the conductive terminals 8 of the

conductive members

5, 7 at corresponding positions to form an electrical connection between the battery 2 and the power socket 6, so that The battery 2 can be charged or discharged through the power outlet 6.

As a general inventive subject matter, the present invention is to solve the above-mentioned many shortcomings of the power battery device of the electric vehicle. The battery terminal 3 and the corresponding conductive terminal 8 are provided by a simple insertion and assembly between the battery 2 and the battery case 1. Matching the docking, thereby completing the installation and conductive contact of the battery 2, that is, realizing the plug and play of the battery 2, so that the battery 2 is conveniently installed and the installation efficiency is high, so that It can also effectively solve the problems in the prior art that the temperature is too high due to the need for wire welding, causing the battery to leak and reduce the electric energy.

In the embodiment 1 shown in Figs. 1 to 3, it is shown that the single battery 2 is mounted in the battery insertion slot 1a. At this time, at least the socket conductive member 5 is included in the plurality of

conductive members

5, 7 described above, and the socket conductive member 5 electrically connects the battery terminal 3 of the battery 2 and the power socket 6. That is, one end of the socket conductive member 5 is electrically connected to the battery terminal 3 of the battery 2 as the conductive terminal 8, and the other end is electrically connected to the power socket 6.

Wherein, the socket conductive member 5 may be an integrally formed member such as an insulated wire or the like. The insulated wires may have different wiring manners, for example, may be embedded in the inner wall of the battery insertion slot 1a when the battery case 1 is formed, or a lead groove may be provided on the inner wall of the battery insertion slot 1a, and the insulated wires are fixed in the lead slots. . Both ends of the insulated wire may be exposed, one end of which constitutes the conductive terminal 8 and the other end of which is electrically connected to the power socket 6. As shown in FIG. 8, when the battery case upper casing 9a of the battery case 1 is fastened up and down with the battery case lower case 9b, the end of the insulated wire as the conductive terminal 8 can be docked with the battery terminal 3 of the battery 2, and the completion is completed. An electrically conductive connection between the battery 2 and the power outlet 6.

The socket conductive member 5 may also be an assembly. As shown in FIGS. 2 and 3, the socket conductive member 5 includes an intermediate connection portion, one end of which is electrically connected to the battery terminal 3 serving as the conductive terminal 8 and the battery 2. The battery terminal tab 51 is connected at the other end with a socket end tab 52 for electrically connecting to the power socket 6.

The battery terminal tab 51 used as the conductive terminal 8 is preferably an elastic piece. The conductive end of the elastic piece may be provided with a slot or a plug hole. When the battery 2 is assembled in the battery insertion slot 1a, the battery 2 The battery terminal 3 is inserted into the insertion slot or the insertion hole to form an electrical connection. In addition to the plug-in conductive manner, the electrical connection can be completed by an elastic abutting manner. For example, one end of the battery terminal lug 51 is a mounting end, the mounting end is fixedly connected to the intermediate connecting portion, or the mounting end as shown in FIG. A mounting groove 4 or a fixing member having a mounting groove 4 is formed in an inner wall of the battery insertion slot 1a or on an inner wall of the battery insertion slot 1a, and the mounting end is fastened to the mounting slot 4 by a fastener such as a screw. in. For example, the mounting groove 4 is provided with a bolt hole at the edge thereof, and the bolt hole is provided with a screw. When the screw is locked in the bolt hole, the nut of the screw is pressed against the mounting portion of the battery terminal tab 51, thereby fixing the mounting portion of the battery terminal tab 51 to the inner wall of the battery insertion slot 1a by bolts. Thus, when the battery 2 is assembled in the battery insertion slot 1a, the conductive end of the elastic piece can elastically abut against the battery terminal 3 of the battery 2, completing the conductive connection between the battery 2 and the power socket 6.

Similarly, the intermediate connection portion of the socket conductive member 5 may be embedded in the inner wall of the battery insertion slot 1a, or the inner wall of the battery insertion slot 1a may be provided with a lead groove, and the intermediate connection portion is fixed in the lead groove. An insulating layer may be disposed outside the intermediate connection portion of the socket conductive member 5 so that when the battery terminal tab 51 is exposed to the outside, the external insulating layer can be prevented from leaking or short-circuiting or the like.

In addition, the socket end lug 52 can be used as a separate lug, and the two ends are respectively connected to the intermediate connection portion of the power socket 6 and the socket conductive member 5, but the intermediate connection portion of the socket conductive member 5 and the socket end tab 52 can also be integrally formed. .

In the embodiment 1 shown in Fig. 1, the battery 2 is composed of a single battery. When the battery 2 is mounted in the battery insertion slot 1a, the battery terminal 3 of the battery 2 is electrically connected to the socket conductive member 5. When the battery case upper case 9a and the battery case lower case 9b are fastened up and down as shown in FIG. 8, the battery case upper case 9a is pressed against the battery 2, thereby fixing the battery 2 in the battery insertion slot 1a. .

The assembly process of the quick-load battery system in Embodiment 1 is as follows:

The installer only needs to put the single battery 2 into the battery insertion slot 1a according to the specified orientation (that is, the battery 2 is placed in the battery insertion slot 1a in the direction of the battery terminal 3 toward the socket conductive member 5); The positive and negative terminals are electrically connected to the power socket 6; then the battery case upper casing 9a is mounted on the battery insertion slot 1a to complete the assembly of the battery; thus, the battery terminal 3 and the power socket 6 do not need to be soldered by wires. The connection is convenient, the installation efficiency is high, and the problem that the battery leaks and reduces the electric energy caused by the excessive temperature during the wire welding process can be effectively solved.

On the other hand, since the battery terminal 3 and the power socket 6 do not need to be connected by wire bonding, it is effective to solve the problem that the battery terminal 3 and the power socket 6 are easily soldered (virtary welding, soldering, etc.), resulting in power. The electrical connection structure between the battery terminal 3 and the power socket 6 during the long-term use of the battery device is unstable, and the problem of poor contact is liable to occur, so that the electrical connection structure between the battery terminal 3 and the power socket 6 is stabilized.

4 to FIG. 7 are Embodiment 2 of the present invention, and the remaining structure of Embodiment 2 is referred to Embodiment 1, except that, as shown in FIG. 4 and FIG. 5, the battery 2 in Embodiment 2 is a battery pack. . The battery includes four

single cells

2a, 2b, 2c, 2d. A battery cell slot for mounting a single battery is provided in the battery insertion slot 1a. The battery cells 7 are sequentially connected in series by the battery conductive members 7 provided on the inner wall of the battery insertion groove. Specifically, after the respective battery cells 2a to 2d are mounted in the battery insertion slot 1a (that is, the battery cells are placed in the battery insertion slot 1a in the direction of the battery terminal 7), the battery cells 2a to 2a are assembled. 2d is connected in series by the battery conductive member 7 in series, and the battery cells connected in series and the power plug 6 are electrically connected through the socket conductive member 5, as shown in FIG. 5, the single battery in the series connected The negative electrode or positive battery terminal of the body battery 2a is electrically connected to the power plug through a socket conductive member 5, and the positive or negative battery terminal of the battery 2d is electrically connected to the power plug through another socket conductive member 5.

Different from the socket conductive member 5, only one end serves as the conductive terminal 8 to match the battery terminal 3 of the battery 2, and both ends of the battery conductive member 7 are the conductive terminals 8, as shown in FIG. Similarly, the conductive terminal 8 of the battery conductive member 7 and the conductive structure and the mounting structure of the conductive terminal 8 of the socket conductive member 5 can be similar, and the fixing or leading manner of the intermediate connecting portions of the two can be similar. No further details. For example, the conductive terminals 8 can be elastic sheets, and are fixed to the inner wall of the battery insertion slot 1a by means of pre-embedding or fastening, and the conductive connection can be completed by inserting a plug-in conductive manner or an elastic abutting manner.

In addition, the conductive terminals 8 at both ends may be fixedly connected to the intermediate connection portion of the battery conductive member 7. It can also be integrally formed. As shown in Fig. 6, the battery conductive member 7 is an integrally formed structure, and the intermediate connecting portion of the battery conductive member 7 is bent into an M-shaped structure 71 which is fixedly mounted in a mounting groove 4 which also has an M-shaped meandering direction. As shown in FIG. 7, two ends of the intermediate connection portion of the battery conductive member 7 are respectively connected with different types of conductive terminals 8. The conductive terminal 8 at the upper end in FIG. 7 is an integral spring piece, and the mounting end of the spring piece is fixed or embedded in the inner wall, and the other end is elastically abutted with the battery terminal 3 to constitute an electrically conductive connection. The conductive terminal 8 at the lower end protrudes upward, and a plug hole (not shown) or the like can be disposed on the specific shape of the battery terminal 3 to complete the plug-in conductive connection.

When assembling a plurality of battery cells, the installer only needs to put the battery cells into the battery insertion slots in a prescribed orientation, that is, the battery cells 2a to 2d are placed in the battery terminal 3 toward the battery conductive member 7 in the direction of the battery. In the insertion slot 1a, the battery cells can be connected in series through the battery conductive member 7 in series, and the battery cells connected in series and the power plug are electrically connected through the socket conductive member 5, and then through the cover package. The battery assembly can be completed.

The quick-load battery system according to the present invention can be used as a mobile battery case having a single battery or a battery pack that can realize quick insertion, and can also be applied to an electric vehicle. In the electric vehicle having the quick-load battery system, the power outlet 6 and the battery insertion slot 1a can be directly disposed or formed on the electric vehicle body without a separate battery case. The electric vehicle body may further be provided with a cover cover for sealing the notch of the battery insertion slot 1a. The cover cover is snapped onto the battery insertion slot 1a or bolted to the battery insertion slot 1a. When the cover cover is mounted on the battery insertion slot 1a, the cover cover is pressed against the battery 2. Thereby, the battery 2 is fixed in the battery insertion slot 1a.

In this way, in the mobile battery case or the electric vehicle, the battery terminal 3 of the battery 2 and the power socket 6 and the respective battery cells 2a to 2d do not need to be connected by wire bonding, which facilitates installation and installation efficiency. High, not only can effectively solve the problem of liquid leakage caused by excessive welding temperature, but also effectively solve the problem of poor welding caused by the battery terminal 3 and the power socket 6 and each of the battery cells 2a to 2d during long-term use. The electrical connection structure is unstable and easy to contact. The good problem makes the electrical connection structure everywhere stable and reliable.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the embodiments described above, and various modifications may be made to the technical solutions of the present invention within the scope of the technical idea of the present invention. For example, the conductive member, its conductive terminal, the battery terminal, and the like are not limited to the illustrated sheet-like structure, and are also variable in abutting columnar shape and annular shape, etc., and these simple modifications do not exceed the concept of the present invention, and thus all belong to the present invention. protected range.

It should be further noted that the specific technical features described in the above specific embodiments may be combined in any suitable manner without contradiction. To avoid unnecessary repetition, the present invention has various possibilities. The combination method will not be described separately.

In addition, any combination of various embodiments of the invention may be made as long as it does not deviate from the idea of the invention, and it should be regarded as the disclosure of the invention.

Claims

A battery case (1) is electrically connected to a power socket (6), and a battery insertion slot (1a) for mounting a battery (2) is formed in the battery case (1), the battery insertion slot The inner wall of (1a) is provided with a plurality of conductive members (5, 7), and when the battery (2) is assembled in the battery insertion slot (1a), the battery terminal (3) of the battery (2) Matching the conductive terminals (8) of the conductive members (5, 7) at corresponding positions to form an electrical connection between the conductive terminals (8) and the power socket (6) and via the power socket ( 6) Charging or discharging.
The battery case according to claim 1, wherein at least one of said plurality of said conductive members (5, 7) includes a socket conductive member (5) electrically connected to said battery (2) a battery terminal (3) and the power outlet (6).
The battery case according to claim 2, wherein the socket conductive member (5) is an integrally formed member.
The battery case according to claim 3, wherein said socket conductive member (5) is an insulated wire which is embedded in an inner wall of said battery insertion slot (1a) or said battery insertion slot a lead groove is provided on an inner wall of (1a), the insulated wire is fixed in the lead groove; and both ends of the insulated wire are exposed, one end of which constitutes the conductive terminal (8) and the battery ( 2) The battery terminal (3) is butted, and the other end is electrically connected to the power socket (6).
The battery case according to claim 2, wherein said socket conductive member (5) includes an intermediate connection portion, one end of which is connected with a battery serving as said conductive terminal (8) and said battery (2) The terminal (3) is electrically connected to the battery terminal tab (51), and the other end is connected to a socket end tab (52) for electrically connecting the power socket (6).
The battery case according to claim 5, wherein one end of the battery terminal tab (51) is a mounting end, the mounting end is fixedly connected to the intermediate connection portion, or the mounting end is pre-buried in the A mounting groove (4) is formed in an inner wall of the battery insertion groove (1a) or an inner wall of the battery insertion groove (1a), and the mounting end is fastened and mounted in the mounting groove (4).
The battery case according to claim 6, wherein said battery terminal tab (51) is an elastic piece, said elastic piece when said battery (2) is assembled in said battery insertion groove (1a) The conductive end can be elastically abutted against the battery terminal (3) of the battery (2), or the conductive end of the elastic piece is provided with a socket or a socket, when the battery (2) is assembled In the battery insertion slot (1a), the battery terminal (3) of the battery (2) is inserted into the insertion slot or the insertion hole to form an electrical connection.
The battery case according to claim 5, wherein an intermediate connection portion of said socket conductive member (5) is embedded in an inner wall of said battery insertion slot (1a), or said battery insertion slot (1a) A lead groove is provided on the inner wall, and the intermediate connection portion is fixed in the lead groove.
The battery case according to claim 8, wherein an intermediate layer of the socket conductive member (5) is externally provided with an insulating layer.
The battery case according to claim 5, wherein an intermediate connection portion of the socket conductive member (5) is integrally formed with the socket end tab (52).
The battery case according to any one of claims 2 to 10, wherein the battery insertion slot (1a) includes a plurality of single cells for mounting a plurality of the batteries (2) in one-to-one correspondence a battery insertion slot, the plurality of the conductive members (5, 7) further comprising a battery conductive member (7), the battery conductive member (7) comprising an intermediate connection portion and the conductive terminals (8) at both ends, two The conductive terminals (8) of the terminals are electrically connected to respective battery terminals (3) of two adjacent batteries (2) to complete a series connection of a plurality of the batteries (2).
The battery case according to claim 11, wherein the battery conductive member (7) is an integrally molded member.
The battery case according to claim 12, wherein said battery conductive member (7) is an insulated wire which is embedded in an inner wall of said battery insertion slot (1a) or said battery insertion slot a lead groove is provided on an inner wall of (1a), the insulated wire is fixed in the lead groove; and both ends of the insulated wire are exposed to form the conductive terminal (8) and the battery (2) The battery terminals (3) are docked.
The battery case according to claim 11, wherein an intermediate connection portion of said battery conductive member (7) is embedded in an inner wall of said battery insertion slot (1a), or said battery insertion slot (1a) A lead groove is provided on the inner wall, and an intermediate connection portion of the battery conductive member (7) is fixed in the lead groove.
The battery case according to claim 14, wherein when the intermediate connection portion of the battery conductive member (7) is fixed by the lead groove, the lead groove is formed on an inner wall of the battery insertion groove (1a) The twists and turns.
The battery case according to claim 14, wherein an intermediate layer of the battery conductive member (7) is externally provided with an insulating layer.
The battery case according to claim 14, wherein one end of the conductive terminal (8) of the battery conductive member (7) is a mounting end, the mounting end is fixedly coupled to the intermediate connection portion, or The mounting end is pre-buried in the inner wall of the battery insertion slot (1a), or the inner wall of the battery insertion slot (1a) is formed with a mounting groove, and the mounting end is fastened in the mounting groove.
The battery case according to claim 17, wherein said conductive terminal (8) of said battery conductive member (7) is an elastic piece, and said battery (2) is fitted to said battery insertion slot (1a) In the middle, the conductive end of the elastic piece can elastically abut against the battery terminal (3) of the battery (2), or the conductive end of the elastic piece is provided with a insertion slot or a plug hole. When the battery (2) is assembled in the battery insertion slot (1a), the battery terminal (3) of the battery (2) is inserted into the insertion slot or the insertion hole to form an electrical connection.
The battery case according to claim 1, wherein said battery case (1) comprises a battery case upper case (9a) and a battery case lower case (9b) that are fastened up and down, said power socket (6) and The conductive member (5, 7) is provided on an inner wall of the upper case (9a) of the battery case or an inner wall of the lower case (9b) of the battery case.
A quick-loading battery system comprising the battery case (1), the power socket (6) and the battery (2) according to any one of claims 1 to 19, on the battery (2) The battery terminal (3) is disposed to cooperate with the conductive terminal (8) in the battery insertion slot (1a) to be correspondingly inserted into the battery case (1) in the battery (2) In the battery insertion slot (1a), the battery (2) is electrically connected to the power socket (6).
An electric vehicle comprising the quick-load battery system according to claim 20.
An electric vehicle comprising the quick-load battery system according to claim 20 and an electric vehicle body, wherein the battery case is a part of the electric vehicle body.