CN214313446U

CN214313446U - Wiring depression bar for battery pack of electric vehicle

Info

Publication number: CN214313446U
Application number: CN202022218797.6U
Authority: CN
Inventors: 杨科异; 汤永兴; 梁文元; 韦海静
Original assignee: Guigang Shangjia Electric Vehicle Co ltd
Current assignee: Guigang Shangjia Electric Vehicle Co ltd
Priority date: 2020-10-05
Filing date: 2020-10-05
Publication date: 2021-09-28
Anticipated expiration: 2030-10-05

Abstract

The utility model relates to an electric motor car battery device technical field, specifically an electric motor car group battery wiring layering, including battery layering (100), electrically conductive copper bar (200) and link part (400), battery layering (100) spiral-lock and fix group battery (700), electrically conductive copper bar (200) are installed on battery layering (100), link part (400) are connected electrically conductive copper bar (200) and group battery (700); the battery pressing strip (100) is characterized by further comprising a copper bar fixing hole (108), wherein the copper bar fixing hole (108) is formed in the surface of the battery pack fixing clamp (106); the conductive copper bar (200) further comprises a copper bar main body, a first connecting part (201) and a second connecting part (202); first connecting portion (201) and second connecting portion (202) set up respectively in copper bar main part both ends, and the surface all is provided with fixed orifices (203). The beneficial effects are that: the structure is simple, the battery pack can be used in a forward and reverse mode, wiring of a 72V battery pack can be met by assembling the battery pack in the forward mode, wiring of a 60V battery pack can be met by assembling the battery pack in the reverse mode, and the battery pack is safe, reliable and worthy of popularization.

Description

Wiring depression bar for battery pack of electric vehicle

Technical Field

The utility model relates to an electric motor car battery technical field specifically is an electric motor car group battery wiring layering.

Background

In the electric vehicle industry, the common battery packs are divided into two types: one is a 60V battery pack and single batteries of 12V and 5 batteries are connected in series to form a battery pack, and the other is a 72V battery pack and single batteries of 12V and 6 batteries are connected in series to form a battery pack; at present, no matter a 60V battery pack or a 72V battery pack, the adopted wiring mode is as follows: the two ends of the lead are connected with the joint or the connecting end part and are connected with the battery pole column through the joint or the connecting end part; therefore, the wiring process is complicated and the installation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses an electric motor car group battery wiring layering.

The utility model adopts the technical proposal that:

a wiring batten for an electric vehicle battery pack comprises a batten body 100, a conductive copper bar 200, an insulating column 300 and a connecting end part 400, wherein the batten body 100 is buckled with and fixes the battery pack 700, the conductive copper bar 200 is installed on the batten body 100, and the connecting end part 400 is connected with the conductive copper bar 200 and the battery pack 700; the pressing strip body 100 comprises a 60V battery pack fixing hole 101, a 60V battery pack limiting handle 103 and a 72V battery pack fixing clamp 106, the 60V battery pack fixing hole 101 is arranged at two ends of the pressing strip body 100, the 60V battery pack limiting handle 103 is arranged on the reverse end face of the pressing strip body 100, and the 72V battery pack fixing clamp 106 is arranged at two sides of the pressing strip body 100; the pressing bar body 100 is characterized by further comprising copper bar fixing holes 108, wherein the copper bar fixing holes 108 are formed in the surface of the battery pack fixing clamp 106; the conductive copper bar 200 further comprises a copper bar main body, a first connecting part 201 and a second connecting part 202; the first connecting part 201 and the second connecting part 202 are respectively arranged at two ends of the copper bar main body, and the surfaces of the first connecting part and the second connecting part are respectively provided with a fixing hole 203 and a connecting hole 204; the conductive copper bar 200 is mounted on the pressing bar body 100 through the insulating column 300.

The insulating column 300 is a cylinder, and two end faces of the cylinder are provided with threaded holes.

The connecting end part 400 is Contraband type piece, and the Contraband type piece is an integrated Contraband type piece or a split Contraband type piece.

The integrated Contraband type piece is Contraband type piece, and the upper end face and the lower end face of the integrated Contraband type piece are provided with through holes, and the integrated Contraband type piece is electrically connected with the conductive copper bar 200 and the battery pole through the through holes.

The split Contraband-shaped piece is a connector assembly 800, the connector assembly 800 further comprises a first connector 801, an electric wire 802, a second connector 803 and a third nut 804, and the head of the first connector 801 is plugged with the copper busbar 200; the tail of the first connector 801 is electrically connected with the electric wire 802, the other end of the electric wire 802 is inserted into the tail of the second connector 803, and the head of the second connector 803 is electrically connected with the battery post through the third nut 804.

The utility model has the advantages that:

the utility model discloses simple structure just can just be just used in the contrary, and the wiring of 72V group battery can be satisfied in the equipment of front, and the wiring of 60V group battery can be satisfied in the equipment of reverse side, no matter equipment 72V group battery or 60V group battery, the battery fast wiring all can be realized to the homoenergetic, and wiring safe and reliable, and the equipment is simple and convenient, and reduce cost improves the benefit.

Drawings

Fig. 1 is a schematic view of the structure of the reverse end face of the present invention.

Fig. 2 is a schematic diagram of the structure of the positive end face of the present invention.

Fig. 3 is a schematic view of a reverse end surface structure of the bead body 100 according to the present invention.

Fig. 4 is a schematic structural view of the conductive copper bar 200 of the present invention.

Fig. 5 is a schematic structural diagram for assembling a 72V battery pack according to the present invention.

Fig. 6 is a schematic structural diagram for assembling a 60V battery pack according to the present invention.

Fig. 7 is a schematic structural diagram of another embodiment of the present invention for assembling a 72V battery pack.

Fig. 8 is a schematic structural view of the insulating pillar 300.

Fig. 9 is a schematic structural view of a joint assembly 800.

Fig. 10 is an exploded view of the structure of the joint assembly 800.

In the figure:

the pressing strip comprises a pressing strip body 100, a 60V battery pack fixing hole 101, a sponge cushion mounting hole 102, a 60V battery pack limiting handle 103, a 70V battery pack fixing clamp 104, a fixing clamp body 106, a limiting hole 107, a copper bar fixing hole 108, a conductive copper bar 200, a first connecting portion 201, a second connecting portion 202, a fixing hole 203, a connecting hole 204, an insulating column 300, a connecting end part 400, a first nut 500, a second nut 600, a battery pack 700, a connector assembly 800, a first connector 801, an electric wire 802, a second connector 803 and a third nut 804.

Detailed Description

To further illustrate the technique of the present invention, the present invention will be further described with reference to fig. 1 to 10; the battery pack 700 to be wired according to the present embodiment is divided into two types: one is a 60V battery pack, and single batteries of 12V and 5 batteries are connected in series to form a battery pack, and the other is a 72V battery pack, and single batteries of 12V and 6 batteries are connected in series to form a battery pack.

Example 1:

as shown in fig. 5, the present invention includes a pressing bar body 100, a conductive copper bar 200, an insulating column 300, a connecting end member 400, a first nut 500, a second nut 600, and a battery pack 700.

As shown in fig. 3, the molding strip body 100 of the present invention further includes a 60V battery fixing hole 101, a sponge cushion mounting hole 102, a 60V battery limiting handle 103, a 70V battery fixing clip 104, a fixing clip body 106, a limiting hole 107, and a copper bar fixing hole 108; the battery bead 100 is used to snap-fit and fix the battery pack 700. The 60V battery pack limiting handle 103 is arranged on the reverse end face of the pressing strip body 100, and the 72V battery pack fixing clips 106 are arranged on two sides of the pressing strip body 100. The pressing bar body 100 further comprises copper bar fixing holes 108, and the copper bar fixing holes 108 are formed in the surface of the battery pack fixing clamp 106;

as shown in fig. 4, the conductive copper bar 200 of the present invention further includes a first connecting portion 201, a second connecting portion 202, a fixing hole 203, and a connecting hole 204; the copper conductive bar 200 is mounted on the battery depression bar 100 for electrical connection.

In this embodiment, as shown in fig. 1 and fig. 2, the first connecting portion 201 and the second connecting portion 202 of the conductive copper bar 200 respectively pass through the limiting holes 107 on the left and right sides of the pressing bar body 100, and are fixedly mounted on the pressing bar body 100 through the insulating column 300 and the first nut 500, the insulating column 300 is a cylinder, and the upper and lower end faces of the cylinder are provided with threaded holes for fixing;

the first connecting part 201 and the second connecting part 202 are respectively arranged at two ends of the copper bar main body, and the surfaces of the first connecting part and the second connecting part are provided with fixing holes 203 and connecting holes 204;

the distance between the connection holes 204 of the first connection part 201 and the second connection part 202 is just the distance between the anode pole of one of the two adjacent batteries and the cathode pole of the other battery so as to be used for the series connection of the battery packs; five conductive copper bars 200 are assembled on corresponding hole sites of the bead body 100 at equal intervals. Similarly, the first connection portion 201 and the second connection portion 202 are in a parallel relationship, but the first connection portion 201 and the second connection portion 202 are perpendicular to the body of the copper bar 200.

As shown in fig. 5, when the utility model discloses the equipment is the 72V group battery of wiring when just adorning, 72V group battery fixation clamp 106 sets up in the both sides of layering body 100 so that the centre gripping group battery, the body width of 72V group battery fixation clamp 106 is the width of 72V group battery just, and 72V group battery fixation clamp 106 both ends are provided with gib 104 vertical downwards, gib 104 is perpendicular to the positive terminal surface of layering body 100 and opposite with the width direction of convex part, namely gib 104 vertical direction is not towards the reverse terminal surface of layering body 100, so when 72V group battery fixation clamp 106 is used for the installation, can the lock in the up end of 72V group battery;

when the utility model discloses the back is good in the spiral-lock, the vertical distance of a take the altitude is aimed at and vacated to the corresponding utmost point post with the battery of connecting hole 204 of five electrically conductive copper bars 200, and the sky of staying of this vertical distance just is the height of link part 400, lays link part 400 and through second nut 600 fixed connection in the sky of staying of this vertical distance, so link part 400 connects electrically conductive copper bars 200 and group battery 700, can accomplish the series connection between the battery and constitute the 72V group battery. The structure of the Contraband type of integral type spare in this embodiment is that Contraband type spare upper and lower terminal surface is provided with the through-hole, through the through-hole with electric conductor electric connection copper bar 200 and battery utmost point post.

As shown in fig. 6, when the utility model discloses the reverse installation time is the equipment and the 60V group battery of wiring, compares with the 72V group battery this moment, has lacked a battery, so if the group battery is whole to paste together, the length can be less than 72V group battery. The event the utility model discloses technical scheme is exactly that the spacing handle 103 of 60v group battery that utilizes the shape to be the convex part occupies the vacancy position of staying who takies away the battery, mends the difference of this length, will takie the battery simultaneously and stay vacancy position department conductive copper bar 200 and second conductive copper bar 200 picture 6 in turn right the short circuit from a left side through two conductive copper bar 200 of a copper bar or wire electric connection to realize the general of electric motor car group battery wiring layering.

The 60V battery pack fixing holes 101 are provided at both ends of the compression bar body 100 so as to fix the battery pack by bolts, and the 60V battery pack limiting handle 103 is a convex part and is provided on the opposite end surface of the compression bar body 100, so that when a 70V battery pack is removed from one battery to become a 60V battery pack, a space for one battery is just left, the length of the convex part just filling the space is the same as the width of a single battery of the battery pack, the connecting holes 204 of the conductive copper bars 200 are over against the corresponding battery poles and simultaneously generate a space with the height of the connecting end part 400, the two conductive copper bars 200 in short circuit just lead the battery poles at the left side of the battery space position in figure 6 to be communicated with the battery poles at the right side of the battery space position in figure 6 from left to right, so that 5 12V cells can be conducted to form a 60V battery pack, and the desired technical effect can be obtained.

Example 2:

in this embodiment, the Contraband-shaped element is a split Contraband-shaped element, as shown in fig. 7, the connecting end member 400 is a connector assembly 800, as shown in fig. 9 and 10, the connector assembly 800 includes a first connector 801, an electric wire 802, a second connector 803, and a third nut 804; the tail of the first connector 801 is inserted into one end of the electric wire 802, the other end of the electric wire 802 is inserted into the tail of the second connector 803, the second connector 803 and the first connector 801 are electrically conducted, and at the moment, the head of the first connector 801 is inserted into the conductive copper bar 200, and the second connector 803 is fastened on the battery pole column through the head of the second connector 803 and the third nut 804; in this embodiment, the connector assembly 800 is a set of standard components, the assembly is simple, and the electric wire 802 makes the connector assembly 800 have certain flexibility, i.e. the conductive copper bar 200 and the battery post do not require to be aligned during the assembly, so the assembly precision requirement of this embodiment on the wiring depression bar of the battery pack of the electric vehicle is not high, and the assembly is simpler and faster by using this embodiment.

Having described the embodiments of the present invention, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, and are within the scope of the invention.

Claims

1. A wiring batten for an electric vehicle battery pack comprises a batten body (100), a conductive copper bar (200), an insulating column (300) and a connecting end part (400), wherein the batten body (100) is buckled and fixed on the battery pack (700), the conductive copper bar (200) is installed on the batten body (100), and the connecting end part (400) is connected with the conductive copper bar (200) and the battery pack (700); the pressing strip body (100) comprises a 60V battery pack fixing hole (101), 60V battery pack limiting handles (103) and 72V battery pack fixing clamps (106), the 60V battery pack fixing hole (101) is formed in two ends of the pressing strip body (100), the 60V battery pack limiting handles (103) are arranged on the reverse end face of the pressing strip body (100), and the 72V battery pack fixing clamps (106) are arranged on two sides of the pressing strip body (100); the pressing bar body (100) is characterized by further comprising copper bar fixing holes (108), wherein the copper bar fixing holes (108) are formed in the surface of the 72V battery pack fixing clamp (106); the conductive copper bar (200) further comprises a copper bar main body, a first connecting part (201) and a second connecting part (202); the first connecting part (201) and the second connecting part (202) are respectively arranged at two ends of the copper bar main body, and the surfaces of the first connecting part and the second connecting part are respectively provided with a fixing hole (203) and a connecting hole (204); the conductive copper bar (200) is arranged on the pressing bar body (100) through an insulating column (300).

2. The electric vehicle battery pack wiring batten according to claim 1, wherein the insulating column (300) is a cylinder, and two end faces of the cylinder are provided with threaded holes.

3. The electric vehicle battery pack connection bead as claimed in claim 1, wherein: the connecting end part (400) is an Contraband-shaped piece, and the Contraband-shaped piece is an integrated Contraband-shaped piece or a split Contraband-shaped piece.

4. The electric vehicle battery pack connection bead as claimed in claim 3, wherein: the integrated Contraband type piece is Contraband type piece, the upper end face and the lower end face of the integrated Contraband type piece are provided with through holes, and the integrated Contraband type piece is electrically connected with a conductive copper bar (200) and a battery pole through the through holes.

5. The electric vehicle battery pack connection bead as claimed in claim 3, wherein: the split Contraband-shaped piece is a connector assembly (800), the connector assembly (800) further comprises a first connector (801), an electric wire (802), a second connector (803) and a third nut (804), and the head of the first connector (801) is plugged with the conductive copper bar (200); the tail of the first connector (801) is electrically connected with the electric wire (802), the other end of the electric wire (802) is inserted into the tail of the second connector (803), and the head of the second connector (803) is electrically connected with the battery pole through the third nut (804).