CN212367747U - Dust cover for electric vehicle controller - Google Patents

Abstract

The utility model discloses an electric vehicle control utensils shield, include: the dustproof cover body is arranged above the wire inlet and outlet shell of the controller in a limiting mode, and the hooks are symmetrically arranged at two side ends of the dustproof cover body; the first end of the dustproof cover body longitudinally extends downwards to form a clamping part corresponding to the wiring end of the wire inlet and outlet shell, and is clamped with the wire inlet and outlet shell through the clamping part; the hasp is located the adjacent both sides of block portion, and the longitudinal downwardly extending setting of hasp is offered the slot that corresponds with the hasp on the inboard chamber wall of business turn over line shell and is stretched into certain distance in the business turn over line shell in the below of shield body, and the slot vertically runs through to the bottom of business turn over line shell, and the hasp sets up at the ditch inslot, and the shield body passes through the hasp to be fixed in the slot. The utility model discloses effectively improve waterproof dustproof performance, and production simple process has reduced manufacturing cost.

Description

Dust cover for electric vehicle controller

Technical Field

The utility model relates to a controller field, concretely relates to shield for electric vehicle controller.

Background

Electric vehicle controller is for realizing its function, generally need be connected its interior circuit board and external circuit, consequently set up the wire hole on the casing of controller so that walk the line terminal on the line portion and wear out and be connected with outer circuit usually, this kind of casing simple structure, low in manufacturing cost, nevertheless because of the line portion of walking on the casing of this kind of controller exposes in the outside of casing, walk the line portion and meet water and arouse the controller electric leakage easily, and the electric motor car will lead to walking the line portion after long-term the use and pile up a large amount of dusts, thereby cause the contact failure of controller and external circuit.

In the prior art, in order to improve the waterproof and dustproof performance of the wiring part of the controller, a dustproof cover is usually arranged above the wiring part, one installation mode is that a clamping part corresponding to the wire inlet and outlet shell is arranged at one end of the dustproof cover, and the dustproof cover of the installation mode has the advantage of being convenient to take; another kind of mounting means sets up buckle structure on shield and business turn over line shell, and this kind of mounting means's shield is connected reliably, has better waterproof dustproof effect, nevertheless connects for realizing its buckle, need transversely set up the recess that corresponds with the buckle on the shield on business turn over line shell, because business turn over line shell makes for integrated into one piece structure, the existence of recess has increased the complexity of mould for the processing technology of casing is more complicated, has increased manufacturing cost and processing degree of difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at solves the waterproof dirt-proof problem of current electric vehicle controller.

The utility model discloses it is poor with the joint strength of casing to solve current electric vehicle controller shield, or takes the problem that the casing processing technology of shield is complicated to a still further purpose to provide an electric vehicle controller is with shield.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a dust cap for an electric vehicle controller, including: the dustproof cover comprises a dustproof cover body and hooks, wherein the dustproof cover body is mounted above the wire inlet and outlet shell of the controller in a limiting mode, and the hooks are symmetrically arranged at two side ends of the dustproof cover body;

the first end of the dustproof cover body longitudinally extends downwards to form a clamping part corresponding to the wire feeding end of the wire inlet and outlet shell, and is clamped with the wire inlet and outlet shell through the clamping part;

the hook is located adjacent two sides of the clamping portion, the hook longitudinally extends downwards to be arranged below the dustproof cover body and extends into the wire inlet and outlet shell for a certain distance, a groove corresponding to the hook is formed in the wall of the inner side cavity of the wire inlet and outlet shell, the groove longitudinally penetrates through the bottom of the wire inlet and outlet shell, the hook is arranged in the groove, and the dustproof cover body is fixed in the groove through the hook.

Preferably, the wire inlet and outlet housing is located at one side end of the controller housing, a circuit board is arranged in the controller housing, a bottom plate covers the bottom of the controller housing, the side end of the circuit board is transversely clamped on the inner side cavity wall of the controller housing, and the wire inlet and outlet housing is arranged at an opening at the top of the controller housing above the circuit board.

Preferably, the wire inlet and outlet housing and the controller housing are of an integrally formed structure, the wire inlet and outlet housing is of a frame structure with two open ends, a wire routing portion electrically connected with the circuit board is arranged in the frame structure, and the wire routing portion is arranged above the circuit board.

Preferably, the top of the wire inlet and outlet shell is provided with a limiting table, the dustproof cover body is installed above the limiting table in a limiting mode, the bottom of the wire inlet and outlet shell is connected with a platform for fixedly installing the wire routing part, the platform is longitudinally provided with a screw hole, and the wire routing part is fixedly installed on the platform through bolt connection.

Preferably, the routing portion includes:

the connecting ends of the wiring terminals are fixedly arranged on the platform through a compression screw, and the wiring ends of the wiring terminals are arranged outside the wire inlet and outlet shell in an extending mode;

the compression nut is butted on the platform right above the screw hole, and the compression screw longitudinally penetrates through the wiring terminal and the compression nut in sequence to be positioned in the screw hole;

the conducting strip is an L-shaped metal sheet, the inner side end of the conducting strip is attached to the outer side end of the gland nut, the conducting strip comprises a connecting part and a conducting part, the connecting part is transversely arranged, the conducting part is perpendicular to the connecting part, the connecting part is clamped between the wiring terminal and the gland nut, and the conducting part longitudinally penetrates through the platform and is conductively connected to the circuit board;

the wiring part is in conductive connection with the circuit board through the conducting strip.

Preferably, a first wire passing groove is transversely formed in the front end of the wire inlet and outlet shell in a penetrating mode, a second wire passing groove corresponding to the first wire passing groove is transversely formed in the clamping portion in a penetrating mode, the first wire passing groove and the second wire passing groove are spliced to form a through hole for the wire terminal to pass through, the through hole is in one-to-one correspondence with the wire terminal, and the wire end of the wire terminal transversely penetrates through the through hole, is electrically connected with an external circuit and is arranged above the platform in an extending mode.

Preferably, the fastener is arranged above the platform and comprises a connecting plate vertically connected to the bottom of the dustproof cover body and a hook arm transversely arranged on the outer side of the bottom of the connecting plate, and the outer side wall of the connecting plate is overlapped with the inner side cavity wall of the incoming and outgoing line shell.

Preferably, the hook is clamped in the groove through the hook arm, and the circuit board is arranged below the groove.

Preferably, a waterproof partition plate is arranged in a mounting gap between the routing part and the frame structure, the waterproof partition plate is arranged above the circuit board in a surrounding mode around the platform, and the waterproof partition plate is made of waterproof materials.

Preferably, a groove is transversely formed in the inner side cavity wall of the groove in the bottom of the incoming and outgoing line shell, the groove longitudinally penetrates through the bottom of the incoming and outgoing line shell, two ends of the waterproof partition plate are transversely clamped in the groove, and the bottom of the waterproof partition plate is attached to the upper surface of the circuit board.

The utility model discloses at least, include following beneficial effect:

1. because the spacing top of installing in business turn over line shell of shield body has improved the dustproof and waterproof performance of controller, has extension controller life's beneficial effect. In order to realize the fixed installation of the dustproof cover body, a first end of the dustproof cover body longitudinally extends downwards to be provided with a clamping part corresponding to a wire feeding end of the wire inlet and outlet shell, and the first end of the dustproof cover body is clamped with the wire inlet and outlet shell through the clamping part; for further reinforcing the joint strength of the dust cap body and the incoming and outgoing line shell, hooks are symmetrically arranged at two side ends of the dust cap body and are located at the adjacent sides of the clamping part, and grooves corresponding to the hooks are formed in the wall of the inner side cavity of the incoming and outgoing line shell simultaneously, so that the dust cap body is fixed in the grooves through the hooks, the dust cap body is connected with the buckles of the incoming and outgoing line shell, the joint strength of the dust cap body and the incoming and outgoing line shell is increased, and the dust cap is prevented from dropping.

2. The groove longitudinally penetrates to the bottom of the wire inlet and outlet shell, namely the length of the groove is greater than that of the hook, so that the dustproof cover has the advantage of being convenient to take when a user takes the dustproof cover body; in addition, because the groove is communicated with the bottom of the wire inlet and outlet shell, the groove is simple in processing technology, and has the effects of simplifying the production technology and reducing the production cost.

3. The platform for installing the wiring part and the bottom plate on the wire inlet and outlet shell form an installation space of the circuit board, and the circuit board is protected. Because the circuit board sets up the below at the slot for there is certain clearance between slot and the circuit board, and also there is the installation clearance between shield body and the business turn over line shell, consequently, the utility model discloses set up waterproof baffle in the installation clearance of walking line portion and frame construction to prevent that the outside water of controller from getting into the business turn over line shell along the installation clearance of shield body and business turn over line shell in, have the effect that improves controller waterproof performance, extension controller life.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is an exploded view of a controller;

FIG. 2 is a schematic diagram of the internal structure of the controller;

FIG. 3 is a cross-sectional view of the controller of FIG. 2 taken along the line A-A;

fig. 4 is a partially enlarged view of B in fig. 3.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

The utility model provides an electric vehicle control utensils shield, fig. 1~4 show according to the utility model discloses a realize the form, include: the dustproof cover body 2 is installed above the controller wire inlet and outlet shell 1 in a limiting mode, and the hooks 3 are symmetrically arranged at two side ends of the dustproof cover body 2. The top of the incoming and outgoing line shell 1 is provided with a limiting table 12, so that the dustproof cover body 2 is installed above the limiting table 12 in a limiting mode, the dustproof and waterproof performance of the controller is improved, and the beneficial effect of prolonging the service life of the controller is achieved.

In order to realize the fixed installation of the dust cap body 2, the first end 21 of the dust cap body 2 longitudinally extends downwards to form a clamping part 22 corresponding to the wire leading end of the wire inlet and outlet housing 1, and the first end 21 of the dust cap body 2 is clamped with the wire inlet and outlet housing 1 through the clamping part 22. For further reinforcing the joint strength of shield body 2 and business turn over line shell 1, the hasp 3 is located the adjacent both sides of block portion 22, the vertical downwardly extending of hasp 3 sets up in the below of shield body 2 and stretches into certain distance in the business turn over line shell 1, so as to be connected with business turn over line shell 1, set up the slot 11 that corresponds with hasp 3 on the inboard chamber wall of business turn over line shell 1, slot 11 vertically runs through to the bottom of business turn over line shell 1, hasp 3 sets up in slot 11, shield body 2 passes through hasp 3 to be fixed in slot 11, thereby shield body 2 and the buckle of business turn over line shell 1 have been realized and have been connected, have the joint strength who increases shield body and business turn over line shell, prevent the beneficial effect that the shield dropped.

The groove 11 longitudinally penetrates to the bottom of the wire inlet and outlet shell 1, namely the length of the groove 11 is greater than that of the hook 3, so that the dust cover body 2 has the advantage of being convenient to take when a user takes the dust cover body; in addition, because the groove 11 is communicated with the bottom of the incoming and outgoing line shell 1, the groove 11 is simple in processing technology, in the prior art, a groove needs to be formed on the inner side wall of the incoming and outgoing line shell 1 independently, and the injection molding and mold opening technology is complex, so that the scheme simplifies the production technology in the prior art and reduces the production cost.

Specifically, the in-out line housing 1 is located at one side end of the controller housing 4, the circuit board 5 is arranged in the controller housing 4, the bottom of the controller housing 4 is covered with the bottom plate 41, the side end of the circuit board 5 is transversely clamped on the inner side cavity wall of the controller housing 4, and the in-out line housing 1 is arranged at an opening at the top of the controller housing 4 above the circuit board 5. The in-out line shell 1 and the controller shell 4 are of an integrated structure, the in-out line shell 1 is of a frame structure with two open ends, a wiring portion 6 conductively connected with the circuit board 5 is arranged in the frame structure, and the wiring portion 6 is arranged above the circuit board 5.

In order to fixedly install the wiring part 6 in the frame structure of the incoming and outgoing line shell 1, the bottom of the incoming and outgoing line shell 1 is connected with a platform 13 for fixedly installing the wiring part 6, on one hand, the platform 13 and a bottom plate 41 at the bottom of the controller shell 4 form an installation space of the circuit board 5, and the platform 13 can further protect the circuit board 5, so that the waterproof and dustproof performance of the circuit board 5 is improved; on the other hand, the platform 13 is longitudinally provided with a screw hole 131, and the wiring portion 6 is fixedly mounted on the platform 13 through bolt connection.

Specifically, the routing portion 6 includes: the connecting ends 611 of the plurality of wiring terminals 61 are fixedly mounted on the platform 13 through a compression screw 62, and the wiring terminals 61 are led out from the in-out wire shell 1; the compression nut 63 is butted on the platform 13 right above the screw hole 131, and the compression screw 62 longitudinally penetrates through the wiring terminal 61 and the compression nut 63 in sequence and is positioned in the screw hole 131; the conducting sheet 64 is an L-shaped metal sheet, the inner end of the conducting sheet 64 is attached to the outer end of the gland nut 63, the conducting sheet 64 includes a connecting portion 641 transversely disposed and a conducting portion 642 perpendicular to the connecting portion 641, the connecting portion 641 is clamped between the wiring terminal 61 and the gland nut 63, the conducting portion 64 longitudinally penetrates through the platform 13 to be conductively connected to the circuit board 5, and the wiring portion 6 is conductively connected to the circuit board 5 through the conducting sheet 64. When the controller operates, a signal on the circuit board 5 is transmitted to the connection portion 641 through the conductive portion 642 of the conductive sheet 64, and the connection portion 641 is clamped between the wiring terminal 61 and the compression nut 63, so that the electrical signal is transmitted to an external circuit through the wiring terminal 61, and the compression screw 62 is fixedly mounted on the wiring portion 6, so that the conductive sheet 64 and the wiring terminal 61 are tightly attached together, and the rapid and effective transmission of the electrical signal is ensured.

The front end of the incoming and outgoing line shell 1 transversely penetrates through and is provided with a first line passing groove 14, the clamping portion 22 transversely penetrates through and is provided with a second line passing groove 221 corresponding to the first line passing groove 14, the first line passing groove 14 and the second line passing groove 221 are spliced to form a through hole used for a line terminal 61 to pass through, the through hole is in one-to-one correspondence with the line terminal 61, the line terminal 61 transversely penetrates through the through hole and is electrically connected with an external circuit and extends to be arranged above the platform 13, therefore, except for the line end of the line terminal 61, the line portion 6 is completely covered in the incoming and outgoing line shell 1 by the dust cover body 2, the waterproof and dustproof performance of the controller is improved, and the service life of the.

The latch hook 3 sets up in platform 13 top, and circuit board 5 sets up in the below of slot 11, again because of slot 11 vertically runs through to the bottom of business turn over line shell 1, in the in-service use process of controller, when the shield body 2 met water, water probably got into business turn over in the line shell 1 from the installation clearance of shield body 2 and business turn over line shell 1 to on flowing to circuit board 5 along slot 11 on the business turn over line shell 1.

For this reason set up waterproof baffle 7 in walking line portion 6 and business turn over line shell 1 frame construction's installation clearance, waterproof baffle 7 encircles platform 13 and sets up in the top of circuit board 5, waterproof baffle 7 is made by waterproof material, like waterproof silica gel etc., business turn over line shell 1 bottom is contradicted at waterproof baffle 7 upper surface, the bottom of waterproof baffle 7 and the upper surface laminating of circuit board 5, thereby can prevent that the outside water of controller from getting into business turn over line shell 1 from the installation clearance of shield body 2 and business turn over line shell 1 in, and flow to circuit board 5 along the slot 11 on the business turn over line shell 1, cause circuit board 5 short circuit, have the beneficial effect of improvement controller waterproof performance, extension controller life.

The utility model discloses with 2 spacing installations in the top of business turn over line shell 1 of shield body, improved the dustproof and waterproof performance of controller, have extension controller life's beneficial effect. For realizing the fixed mounting of shield body 2, pass through block portion 22 and business turn over line shell 1 joint with the first end 21 of shield body 2, for further reinforcing the joint strength of shield body 2 and business turn over line shell 1, set up the hasp 3 in 2 both sides end-to-end symmetry of shield body, and the hasp 3 is located the adjacent side of block portion 22, set up slot 11 that corresponds with hasp 3 on the inboard chamber wall of business turn over line shell 1 simultaneously, make shield body 2 fix in slot 11 through hasp 3, thereby realized that shield body 2 is connected with the buckle of business turn over line shell 1, have the joint strength who increases shield body and business turn over line shell, prevent the beneficial effect that the shield dropped. The groove 11 longitudinally penetrates to the bottom of the wire inlet and outlet shell 1, namely the length of the groove 11 is greater than that of the hook 3, so that the dustproof cover has the advantage of being convenient to take when a user takes the dustproof cover body; in addition, because the groove 11 is communicated with the bottom of the incoming and outgoing line shell 1, the groove 11 has the advantages of simple processing technology, simplified production technology and reduced production cost.

Further, the platform 13 for mounting the wiring portion 6 and the bottom plate 14 on the inlet/outlet case 1 form a mounting space for the wiring board 5, and function to protect the wiring board 5. Because the slot 11 vertically runs through to the bottom of business turn over line shell 1, for further improvement circuit board 5's waterproof dustproof performance, set up waterproof baffle 7 in the installation clearance of walking line portion 6 and business turn over line shell 1 frame construction, in the installation clearance entering business turn over line shell 1 along shield body 2 and business turn over line shell 1 is followed to the outside water of prevention controller, and on flowing to circuit board 5 along the slot 11 on the business turn over line shell 1, cause the drawback of circuit board short circuit, have the waterproof performance of improvement controller, extension controller life's beneficial effect.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (7)

1. The utility model provides a shield for electric vehicle controller which characterized in that includes:

the wire inlet and outlet casing (1) is characterized in that a groove (11) is formed in the wall of the inner side cavity of the wire inlet and outlet casing (1), the groove (11) extends to the bottom of the wire inlet and outlet casing (1), and a wire routing part (6) is arranged in the cavity of the wire inlet and outlet casing (1);

the dustproof cover body (2) is covered on the top opening of the incoming and outgoing line shell (1), and hook buckles (3) which are limited and clamped in the grooves (11) are symmetrically arranged on two sides of the dustproof cover body (2);

the bottom of the wire inlet and outlet shell (1) is isolated from the inside of the controller through a waterproof partition plate (7), and the waterproof partition plate (7) seals the bottom of the groove (11).

2. The dust cover for the electric vehicle controller according to claim 1, wherein the wire inlet and outlet housing (1) is located at one side end of the controller housing (4), a circuit board (5) is arranged in the controller housing (4), and the wire inlet and outlet housing (1) is arranged at an opening at the top of the controller housing (4) above the circuit board (5).

3. The dust cover for the electric vehicle controller according to claim 2, wherein the wire inlet and outlet housing (1) and the controller housing (4) are integrally formed, the wire inlet and outlet housing (1) is a frame structure with two open ends, and a wire routing portion (6) electrically connected with the circuit board (5) is arranged in the frame structure.

4. The dust cap for the electric vehicle controller according to claim 3, wherein the first end (21) of the dust cap body (2) longitudinally extends downwards to form a clamping portion (22) corresponding to the wiring end of the wiring shell (1), and the first end (21) of the dust cap body (2) is clamped with the wiring shell (1) through the clamping portion (22).

5. The dust cover for the electric vehicle controller according to claim 4, wherein the hook (3) is located at two sides of the dust cover body (2) adjacent to the engaging portion (22), and the hook (3) extends downward and is disposed below the dust cover body (2) and extends into the wire inlet and outlet housing (1) for a certain distance.

6. The dust cover for the electric vehicle controller according to claim 4, wherein a first wire passing groove (14) is transversely formed at the front end of the wire inlet and outlet housing (1) in a penetrating manner, a second wire passing groove (221) corresponding to the first wire passing groove (14) is transversely formed in a penetrating manner at the clamping portion (22), and the first wire passing groove (14) and the second wire passing groove (221) are spliced to form a through hole for wiring.

7. The dust cover for the electric vehicle controller according to claim 6, wherein the waterproof partition (7) is disposed in a mounting gap between the bottom of the wiring portion (6) and the frame structure, the waterproof partition (7) surrounds the periphery of the bottom of the wire inlet and outlet housing (1), and the waterproof partition (7) is sandwiched between the bottom of the wire inlet and outlet housing (1) and the top of the circuit board (5).

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