CN211406522U

CN211406522U - Housing assembly for electric vehicle controller

Info

Publication number: CN211406522U
Application number: CN201922027560.7U
Authority: CN
Inventors: 范东东
Original assignee: Wuxi Taicheung Electronic Technology Co ltd
Current assignee: Wuxi Taicheung Electronic Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-09-01
Anticipated expiration: 2029-11-21

Abstract

The utility model belongs to the technical field of electric vehicle accessories, and relates to a housing assembly for an electric vehicle controller, which comprises a base and an upper cover, wherein the upper cover is clamped with the base through a buckle arranged on the side part of the upper cover to realize sealing connection; the base surface sets up MOS pipe along length direction one side and pastes tight wall, and the MOS pipe pastes tight wall and is provided with the circuit board and shelves the step, and the base surface sets up circuit board screens groove along length direction opposite side, and PCB board both sides support respectively on the circuit board shelves step, circuit board screens groove. This shell structure has solved traditional pencil function of drawing forth, changes into the collection and inserts the plug function, has reduced because the wire rod is ageing the repair rate that leads to the electrical property inefficacy, improves traditional screw fixation technology into the structure that the panel directly caught on the aluminum hull moreover, and production is convenient, and the simple operation effectively improves production efficiency.

Description

Housing assembly for electric vehicle controller

Technical Field

The utility model belongs to the technical field of electric motor car accessory, a housing assembly for electric vehicle controller is related to.

Background

The electric vehicle controller is provided with the shell, and the shell can protect the controller core board inside the shell and also can play a role in heat dissipation, so that the heat dissipation of the MOS (metal oxide semiconductor) tubes on the core board is facilitated. At present, most of electric vehicle controller shells are formed by matching a cavity of a core plate of a placing machine with front and rear baffles to form a sealed whole, the method is slow in heat dissipation and low in efficiency, and once heat is not dissipated, MOS (metal oxide semiconductor) tubes are burnt out.

In the production process of a common controller, a core plate is firstly placed along a clamping groove, then a spring strip is placed along a supporting rod, finally the clamping strip is placed along an arc-shaped groove of the spring strip, and an MOS (metal oxide semiconductor) tube is tightly pressed on the side wall of an aluminum shell by utilizing a lever principle. The method has the advantages that the space of the cavity is limited, the heat dissipation is limited, the maximum power of the controller which can be manufactured is also limited, the traditional controller uses wire rods to lead out functional wires, the method has more wire rods and complicated operation, once the wire rods are aged or even broken, the electrical performance of the wire rods is influenced, and the method has unreliability.

Disclosure of Invention

To the above problem, the utility model provides a housing assembly for electric vehicle controller, this shell structure has solved traditional extraction pencil function, changes into a collection plug function, has reduced because the wire rod is ageing the repair rate that leads to the electrical property inefficacy, improves traditional screw fixation technology into the structure that the panel directly catches on the aluminum hull moreover, and production is convenient, and the simple operation effectively improves production efficiency.

According to the technical scheme of the utility model: a housing assembly for an electric vehicle controller, characterized by: the sealing device comprises a base and an upper cover, wherein the upper cover is tightly clamped with the base through a buckle arranged on the side part of the upper cover to realize sealing connection;

the MOS tube attaching wall is arranged on one side of the surface of the base along the length direction, the MOS tube attaching wall is provided with a circuit board placing step, the other side of the surface of the base along the length direction is provided with a circuit board clamping groove, and two sides of the PCB are respectively supported on the circuit board placing step and the circuit board clamping groove;

connect MOS pipe, terminal subassembly and contact pin on the PCB board, the MOS pipe compresses tightly on the tight wall is pasted to the MOS pipe through the pressure spring, and the contact pin cooperatees with the collection plug that covers on, and the sealed cooperation in terminal subassembly upper portion sets up in the terminal through-hole of upper cover, and the upper cover upper surface sets up the line ball apron corresponding to the outside of terminal through-hole.

As the utility model discloses a further improvement, the MOS pipe is pasted and is shelved the relative side surface of step with the circuit board on the tight wall and be provided with spacing step, and pressure spring one side compresses tightly the wall and compresses tightly on the tight wall is pasted to the MOS pipe, and passes through spacing step location, pressure spring another side are tight on the MOS pipe.

As a further improvement of the utility model, the bottom surface of the base is provided with base heat dissipation teeth.

As a further improvement of the utility model, the header comprises a 6-pin header, an 8-pin header and a 16-pin header, and the outer surface of the header is provided with a header clip; the bottom surface of the collecting plug is provided with a thin stem at the matching part with the contact pin, the collecting plug is provided with a needle seat waterproof pad corresponding to the bottom surface of the thin stem, and the contact pin sequentially penetrates through the needle seat waterproof pad and the thin stem to extend into the collecting plug; a fool-proof groove is arranged in the slot of the plug collecting body.

As a further improvement, the lead-out wire groove of the wire pressing cover plate is matched with the lead-out wire groove of the terminal post assembly.

As a further improvement of the utility model, realize sealedly through the terminal seal circle between terminal subassembly and the upper cover.

As a further improvement, be provided with the base water groove on the base, the cooperation of the waterproof circle of base set up in the base water groove, the waterproof circle of base realizes the sealing between base and the upper cover.

As a further improvement of the utility model, the terminal assembly comprises a wiring connecting seat, and one side of the wiring connecting seat is provided with a terminal copper piece pin and a terminal positioning pin; the nut groove of wiring connecting seat opposite side cooperates and sets up the nut, and the copper spare is connected on the post subassembly, and the surface of copper spare compresses tightly on the nut.

As a further improvement, the pressing line cover plate is provided with a connecting buckle, and the connecting buckle is matched and connected with the corresponding convex column clamping head on the terminal assembly.

The technical effects of the utility model reside in that: the utility model discloses compact structure, reasonable, convenient operation owing to adopted the buckle to fix the upper cover, replaces traditional screw fixation, and convenient operation is simple and direct. Meanwhile, the wiring terminal adopts a two-end design, and a client can independently select a wire outlet mode according to the requirement, so that the wiring terminal is free and flexible.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a perspective view of the outer surface of the upper cover of the present invention.

Fig. 3 is an inside perspective view of the upper cover of the present invention.

Fig. 4 is a perspective view of the base of the present invention.

Fig. 5 is an installation schematic diagram of the middle base of the present invention.

Fig. 6 is a perspective view of the waterproof ring of the base.

Fig. 7 is a perspective view of the waterproof pad of the needle holder.

Fig. 8 is a perspective view of the terminal sealing ring.

Fig. 9 is a perspective view of a lug assembly.

Fig. 10 is a perspective view of a lug assembly.

Fig. 11 is a perspective view of the crimping cover plate.

Fig. 12 is a perspective view of a copper member.

Fig. 13 is a perspective view of the nut.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In fig. 1 to 13, the device comprises a base 1, a circuit board placing step 2, an MOS tube attaching wall 3, a foot pad groove 4, a base waterproof groove 5, a circuit board clamping groove 6, a PCB 7, an MOS tube 8, a pressure spring 9, a contact pin 10, a base heat dissipation tooth 11, a terminal sealing ring 12, a needle seat waterproof pad 13, a base waterproof ring 14, a glue dispensing groove 15, a nut groove 16, a copper piece 17, a nut 18, a terminal waterproof groove 19, a terminal copper piece pin 20, an upper cover 21, a terminal through hole 22, a plug collecting 23, a plug collecting buckle 24, a fool-proof groove 25, a thin stem 26, a wire pressing cover plate 27, a lead-out wire groove 28, a buckle 29, a buckle groove 30, a terminal assembly 31, a terminal positioning pin 32 and the like.

As shown in fig. 1-13, the utility model relates to a housing assembly for electric vehicle controller, including base 1, upper cover 21, buckle 29 and the base 1 chucking that upper cover 21 set up through its lateral part realizes sealing connection and connects.

The MOS pipe is arranged on one side of the surface of the base 1 along the length direction and clings to the wall 3, the MOS pipe clings to the wall 3 and is provided with a circuit board shelving step 2, the other side of the surface of the base 1 along the length direction is provided with a circuit board clamping groove 6, and two sides of the PCB 7 are respectively supported on the circuit board shelving step 2 and the circuit board clamping groove 6.

Connect MOS pipe 8, terminal subassembly 31 and contact pin 10 on the PCB board 7, MOS pipe 8 compresses tightly on MOS pipe pastes tight wall 3 through pressure spring 9, and contact pin 10 cooperatees with the collection plug 23 on the upper cover 21, and terminal subassembly 31 upper portion seal fit sets up in the terminal through-hole 22 of upper cover 21, and the upper cover 21 upper surface sets up line ball apron 27 corresponding to the outside of terminal through-hole 22. In the concrete production, the bottom surface of the terminal assembly 31 is also provided with a dispensing slot 15, and a good waterproof effect is achieved through dispensing.

The surface of the side, opposite to the circuit board shelving step 2, of the MOS tube close-fitting wall 3 is provided with a limiting step, the pressing wall at one side of the pressure spring 9 is pressed on the MOS tube close-fitting wall 3 and is positioned through the limiting step, and the other side of the pressure spring 9 is pressed on the MOS tube 8.

The bottom surface of base 1 is provided with base heat dissipation tooth 11, effectively realizes through heat dissipation tooth 11 that at the during operation, inside thermal evacuation to the casing.

The header 23 comprises a 6-pin header, an 8-pin header and a 16-pin header, and a card collecting buckle 24 is arranged on the outer side surface of the header 23; a thin stem 26 is arranged at the matching part of the bottom surface of the plug collecting 23 and the contact pin 10, a needle seat waterproof pad 13 is arranged on the plug collecting 23 corresponding to the bottom surface of the thin stem 26, and the contact pin 10 sequentially penetrates through the needle seat waterproof pad 13 and the thin stem 26 to extend into the plug collecting 23; a fool-proof groove 25 is arranged in the slot of the header 23. The thin stem 26 can compress the waterproof skin to achieve a better waterproof effect.

The lead-out wire groove 28 of the wire pressing cover plate 27 is matched with the lead-out wire groove of the terminal assembly 31, and the terminal assembly 31 is sealed with the upper cover 21 through the terminal sealing ring 12.

Be provided with base water-proof tank 5 on the base 1, the waterproof circle of base 14 cooperation set up in the base water-proof tank 5, the waterproof circle of base 14 realizes the sealed between base 1 and the upper cover 21.

The binding post assembly 31 comprises a wiring connecting seat, and one side of the wiring connecting seat is provided with a binding post copper piece pin 20 and a binding post positioning pin 32; the nut 18 is arranged in the nut groove 16 on the other side of the wiring connecting seat in a matching mode, the copper piece 17 is connected to the wiring terminal assembly 31, and the surface of the copper piece 17 is pressed on the nut 18. The terminal block assembly 31 adopts a two-end outgoing line design, and a customer can freely select an outgoing line mode. 1-5 corresponding nut grooves 16 are arranged on the connecting seat according to the actual situation. The upper surface of copper spare 17 and the surface laminating of nut 18, a curb plate of copper spare 17 is provided with the chucking part of buckling downwards, and the chucking part is buckled in the nut 18 surface.

The wire pressing cover plate 27 is provided with a connecting buckle, and the connecting buckle is connected with the corresponding convex column clamping and matching on the terminal post assembly 31.

As shown in figure 1, the utility model discloses a be provided with foot pad groove 4 on the base 1 corresponding to the circuit board and shelve between step 2 and the circuit board screens groove 6, two blocks of curb plates that constitute foot pad groove 4 are the splayed setting.

The working process of the utility model is as follows: in the actual installation process, the terminal assembly 31 is preprocessed in advance, wherein the preprocessing is to put the nut 18 into the nut groove 16 of the plastic part, then the copper part 17 is driven into the plastic part (terminal base) until the bottom surface of the copper part 17 is pressed onto the upper surface of the nut 18, and meanwhile, the terminal glue dispensing groove 15 is glued for water prevention. The core board 7 is first placed on the board resting step 2, and then the post assembly 31 is placed on the core board.

The waterproof sealing connection of terminal subassembly 31 with upper cover 21 is realized through terminal sealing washer 12 on the waterproof step, 6/8/16 needle file piece is there to realize through 6/8/16 waterproof needle file pad 13 with the waterproof sealing connection of upper cover 21, pressure spring 9 utilizes the instrument opening to open, make its elastic deformation, the top of following the MOS pipe and pasting tight wall 3 down slides to the bottom, pressure spring 9 presses on MOS pipe 8 this moment, MOS pipe 8 compresses tightly on base 1 lateral wall, put base waterproof circle 14 on base waterproof groove 5, aim at 6/8/16's needle inserting groove with upper cover 21, terminal through-hole 22 aims at terminal subassembly 31 and pushes down plastics upper cover 21 again, base 1 until buckle 29 hooks the aluminum hull, thereby reach the sealed effect of fastening, cover line ball apron 27 at last.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. A housing assembly for an electric vehicle controller, characterized by: the sealing device comprises a base (1) and an upper cover (21), wherein the upper cover (21) is clamped with the base (1) through a buckle (29) arranged on the side part of the upper cover to realize sealing connection;

an MOS tube attaching wall (3) is arranged on one side of the surface of the base (1) along the length direction, a circuit board placing step (2) is arranged on the MOS tube attaching wall (3), a circuit board clamping groove (6) is arranged on the other side of the surface of the base (1) along the length direction, and two sides of a PCB (7) are respectively supported on the circuit board placing step (2) and the circuit board clamping groove (6);

connect MOS pipe (8), terminal subassembly (31) and contact pin (10) on PCB board (7), MOS pipe (8) compress tightly on MOS pipe pastes tight wall (3) through pressure spring (9), contact pin (10) cooperate with collection plug (23) on upper cover (21), terminal subassembly (31) upper portion sealed cooperation sets up in terminal through-hole (22) of upper cover (21), upper cover (21) upper surface sets up line ball apron (27) corresponding to the outside of terminal through-hole (22).

2. The housing assembly for an electric vehicle controller of claim 1, wherein: the surface of one side of the MOS tube close wall (3), which is opposite to the circuit board placing step (2), is provided with a limiting step, the pressing wall at one side of the pressure spring (9) is pressed on the MOS tube close wall (3) and is positioned through the limiting step, and the other side of the pressure spring (9) is pressed on the MOS tube (8).

3. The housing assembly for an electric vehicle controller of claim 1, wherein: the bottom surface of the base (1) is provided with base heat dissipation teeth (11).

4. The housing assembly for an electric vehicle controller of claim 1, wherein: the collecting plug (23) comprises a 6-pin collecting plug, an 8-pin collecting plug and a 16-pin collecting plug, and a collecting plug buckle (24) is arranged on the outer side surface of the collecting plug (23); a thin stem (26) is arranged at the matching part of the bottom surface of the plug collecting body (23) and the contact pin (10), a needle seat waterproof pad (13) is arranged on the plug collecting body (23) corresponding to the bottom surface of the thin stem (26), and the contact pin (10) sequentially penetrates through the needle seat waterproof pad (13) and the thin stem (26) to extend into the plug collecting body (23); a fool-proof groove (25) is arranged in the slot of the plug collecting head (23).

5. The housing assembly for an electric vehicle controller of claim 1, wherein: and the outgoing line groove (28) of the line pressing cover plate (27) is matched with the outgoing line groove of the binding post component (31).

6. The housing assembly for an electric vehicle controller of claim 1, wherein: the terminal assembly (31) and the upper cover (21) are sealed through a terminal sealing ring (12).

7. The housing assembly for an electric vehicle controller of claim 1, wherein: the base is characterized in that a base waterproof groove (5) is formed in the base (1), a base waterproof ring (14) is arranged in the base waterproof groove (5) in a matched mode, and the base waterproof ring (14) is used for achieving sealing between the base (1) and the upper cover (21).

8. The housing assembly for an electric vehicle controller of claim 1, wherein: the wiring column assembly (31) comprises a wiring connecting seat, and one side of the wiring connecting seat is provided with a wiring column copper piece pin (20) and a wiring column positioning pin (32); and a nut (18) is arranged in a nut groove (16) on the other side of the wiring connecting seat in a matched mode, the copper piece (17) is connected to the wiring terminal assembly (31), and the surface of the copper piece (17) is pressed on the nut (18).

9. The housing assembly for an electric vehicle controller of claim 1, wherein: the wire pressing cover plate (27) is provided with a connecting buckle, and the connecting buckle is connected with the corresponding convex column clamping and matching on the binding post component (31).