CN213520366U

CN213520366U - Structure of electric vehicle controller wire holder

Info

Publication number: CN213520366U
Application number: CN202022408179.8U
Authority: CN
Inventors: 於其军; 赵森林
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-22
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to a structure of a wire holder of an electric vehicle controller, which comprises an insulating base and a wiring terminal made of metal, wherein the wiring terminal and the insulating base are integrally injection-molded, and the top of the wiring terminal is exposed from the bottom of a containing groove at the top of the insulating base; a screw hole is formed downwards in the top surface of the binding post, the lower part of the binding post penetrates out of the bottom of the insulating base, and a welding end welded with the circuit board is arranged at the lower end of the binding post; the utility model simplifies the production process and saves the production cost, and meanwhile, the wiring terminal increases the sectional area, thus being suitable for being used on a high-power controller; has the characteristics of reasonable structure, high efficiency and good stability.

Description

Structure of electric vehicle controller wire holder

Technical Field

The utility model belongs to the technical field of electrical components, a structure of electric vehicle controller connection terminal is related to.

Background

The connection base of electric vehicle control is for the connection of convenient wire input/output power cord and/or data, and the connection base generally sets up on the controller casing, and current connection base is if bulletin is: the utility model discloses a CN 304167452S's utility model discloses a connection terminal on electric vehicle controller, it includes insulating base, terminal copper sheet, double-screw bolt and nut spare, insulating base up end is seted up and is used for holding the inner chamber of nut spare, the terminal copper sheet is pegged graft on insulating base, has seted up the unthreaded hole on this terminal copper sheet, the double-screw bolt lower extreme passes the unthreaded hole and is connected with nut spare, nut spare is square nut, the shape of inner chamber matches with the appearance of nut spare; the wiring seat inner chamber on this electric vehicle controller atress is reasonable, and the difficult emergence of nut spare is rotated, and wiring seat operational reliability is higher. The terminal copper sheet comprises a first bending part, a top sheet and a second bending part which are sequentially connected, the unthreaded hole is formed in the top sheet, the first bending part is bent downwards relative to the top sheet, the second bending part is bent downwards relative to the top sheet, and the first bending part penetrates through the insulating base.

When the wire holder is produced, firstly, the nut piece and the insulating base are integrally formed by injection molding; then, the terminal copper sheet penetrates through the insulating base through a special tool, and then the end part of the bottom of the terminal copper sheet is welded on the circuit board; the structure can cause the sealing damage at the perforated part of the insulating base because the terminal copper sheet penetrates through the insulating base at the later stage, and in addition, the section of the terminal copper sheet is limited, so the terminal copper sheet is not suitable for being used on a high-power controller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure of electric vehicle controller connection terminal, the connecting seat adopts terminal and insulating base integrated injection moulding, the terminal top is exposed from the storage tank bottom at insulating base top to set up the screw at the terminal top, the terminal lower part is worn out from insulating base bottom, the terminal lower extreme is equipped with the welding end with circuit board welded; the utility model adopts the integrated injection molding of the connecting column and the insulating base, avoids the sealing problem caused by the later-stage insertion of the copper sheet of the existing terminal, simplifies the production process, saves the production cost, increases the sectional area of the terminal, and is suitable for being used on a high-power controller; has the characteristics of reasonable structure, high efficiency and good stability.

The following technical scheme is adopted for achieving the purpose:

the utility model provides a structure of electric vehicle controller connection terminal which characterized in that: the wiring terminal comprises an insulating base and a wiring terminal made of metal, wherein the wiring terminal and the insulating base are integrally injection-molded, and the top of the wiring terminal is exposed from the bottom of a containing groove at the top of the insulating base; the top surface of the binding post is downwards provided with a screw hole, the lower part of the binding post penetrates out of the bottom of the insulating base, and the lower end of the binding post is provided with a welding end welded with the circuit board.

The wiring terminal is embedded in the insulating base and is provided with an anti-rotation structure.

The anti-rotation structure is characterized in that the cross section of the binding post is non-circular.

The top of the binding post is slightly higher than the bottom of the containing groove.

And the bottom of the insulating base is also provided with insulating pins.

The containing grooves correspond to the wiring terminals one by one, and the number of the containing grooves and the number of the wiring terminals are 1-5.

The utility model adopts the integral injection molding of the binding post and the insulating base, and the structure firstly ensures the sealing property between the insulating base and the binding post, thereby ensuring the waterproof performance of the wire holder; the existing terminal copper sheet embedding and inserting process is omitted due to the adoption of integral injection molding, so that the labor is reduced, and the cost is saved; the terminal is bigger for terminal copper sheet sectional area, has stronger current capacity, satisfies the requirement of powerful controller heavy current, and a plurality of terminal passes through insulating base location back, and the wave-soldering welding of a plurality of terminals and the possible industrialization of circuit board can promote welding efficiency, guarantees the product uniformity, reduces artifical use amount to further reach the purpose of practicing thrift the cost, the promotion efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom structure of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic structural diagram of the binding post of the present invention.

Detailed Description

As shown in fig. 1-5, a structure of a connector base of an electric vehicle controller is characterized in that: the insulation base comprises an insulation base 1 and a wiring terminal 2 made of metal materials, wherein the wiring terminal 2 and the insulation base 1 are integrally molded through injection molding, the top of the wiring terminal 2 is exposed from the bottom of a containing groove 11 in the top of the insulation base 1, the wiring terminal 2 corresponds to the containing groove 11 one by one, and the top of the wiring terminal 2 is flush with the bottom of the containing groove 11; a screw hole 21 is formed downwards in the top surface of the binding post 2, the lower part of the binding post 2 penetrates out of the bottom of the insulating base 1, and a welding end 22 welded with a circuit board is arranged at the lower end of the binding post 2; the wiring terminal 2 is embedded in the insulating base 1 and is provided with an anti-rotation part 23, and the anti-rotation part with an octagonal prism structure is adopted in the attached figure 5; the bottom of the insulating base 1 is also provided with insulating pins 12.

In the figure, the number of the accommodating grooves 11 and the number of the binding posts 2 are 5, the input and the output of large current of a general controller are divided into five paths, wherein two paths are power supply input, and the other three paths are output after being rectified and frequency-converted by the controller; in practical application, the number of the accommodating grooves 11 and the number of the terminals 2 are not limited to 5, and the accommodating grooves and the terminals can be freely set according to actual needs.

The utility model discloses place the terminal in the die cavity of mould when producing, then the insulating base of moulding plastics, the terminal is moulded plastics with the insulating base and becomes integrative after the shaping, because terminal 2 is embedded in insulating base 1 part and is equipped with anti-rotation portion 23, can prevent that terminal 2 atress from producing rotatoryly, avoid the terminal 2 of metal material to become flexible and produce the clearance between insulating base 1, guaranteed reliability and leakproofness between insulating base 1 and terminal 2 to guarantee the waterproof performance between two kinds of materials of connection terminal; when the insulating base 1 simultaneously performs injection molding on the plurality of binding posts 2, as the positions of the binding posts in the mold cavity are preset, the insulating base 1 accurately positions the plurality of binding posts 2, and after the plurality of binding posts 2 are positioned by the insulating base 1, the welding ends 22 at the lower ends of the plurality of binding posts 2 simultaneously penetrate through pre-opened welding holes of the circuit board, and are welded by adopting an industrial automatic wave soldering mode, compared with the existing binding posts, the welding efficiency can be greatly improved by manually soldering the binding posts one by one according to the characteristics of high accuracy, high speed, high consistency and good consistency; in addition, the integral injection molding is adopted, so that the conventional terminal copper sheet inserting process is omitted, the manual use amount is reduced, and the purposes of saving the cost and improving the efficiency are achieved; the terminal is bigger for the terminal copper sheet sectional area, has stronger current capacity, satisfies the requirement of powerful controller heavy current, the utility model has the characteristics of rational in infrastructure, efficient, stable good.

Claims

1. The utility model provides a structure of electric vehicle controller connection terminal which characterized in that: the insulation base comprises an insulation base (1) and a binding post (2) made of metal materials, wherein the binding post (2) and the insulation base (1) are integrally formed in an injection molding mode, and the top of the binding post (2) is exposed out of the bottom of a containing groove (11) in the top of the insulation base (1); screw holes (21) are formed in the top surface of the binding post (2) downwards, the lower portion of the binding post (2) penetrates out of the bottom of the insulating base (1), and a welding end (22) welded with a circuit board is arranged at the lower end of the binding post (2).

2. A connector holder structure for an electric vehicle controller according to claim 1, wherein: the wiring terminal (2) is embedded in the insulating base (1) and is provided with an anti-rotation part (23).

3. A connector holder structure for an electric vehicle controller according to claim 2, wherein: the section of the anti-rotation part (23) is of a non-circular structure.

4. A connector holder structure for an electric vehicle controller according to claim 1, wherein: the top of the binding post (2) is slightly higher than the bottom of the containing groove (11) or is flush with the bottom of the containing groove (11).

5. A connector holder structure for an electric vehicle controller according to claim 1, wherein: the bottom of the insulating base (1) is also provided with insulating pins (12).

6. A connector holder structure for an electric vehicle controller according to claim 1, wherein: the accommodating grooves (11) are in one-to-one correspondence with the wiring terminals (2), and the number of the accommodating grooves (11) and the number of the wiring terminals (2) are 1-5.