CN215682952U

CN215682952U - Motor controller

Info

Publication number: CN215682952U
Application number: CN202122308039.8U
Authority: CN
Inventors: 黄锦元; 孔庆军; 刘大伟
Original assignee: Prestolite Electric Weifang Ltd
Current assignee: Prestolite Electric Weifang Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-28
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a motor controller, which belongs to the technical field of control equipment and comprises a box body, wherein a plurality of high-voltage wiring terminals are arranged on one side wall of the box body, a wiring box assembly with an opening at one side is arranged on the outer side of the side wall of the box body, the wiring box assembly and the side wall of the box body are fixed to buckle the high-voltage wiring terminals, and one ends of a plurality of high-voltage wiring harnesses extend into the wiring box assembly and are connected with the corresponding high-voltage wiring terminals; the high-voltage wiring harness is arranged in the junction box assembly, the high-voltage wiring harness penetrates through the magnetic ring, the magnetic ring is arranged in the junction box assembly outside the box body in the design, the size of the inside of a product is not occupied, miniaturization of the product is facilitated, the magnetic ring is convenient to disassemble, assemble and replace, and the cost is low.

Description

Motor controller

Technical Field

The utility model belongs to the technical field of control equipment, and particularly relates to a motor controller.

Background

The electromagnetic compatibility of the motor controller is particularly important, and the magnetic ring is a common anti-interference element in an electronic circuit. In product design, magnetic rings are often designed in the positive and negative electrodes of the direct current input of the controller to improve the electromagnetic compatibility of the motor controller. At present, a magnetic ring is generally arranged and fixed inside a controller, and the magnetic ring comprises a high-voltage locker, a junction block, a magnetic ring, positive and negative copper bars and a box body, wherein the magnetic ring is arranged in a magnetic ring installation groove of the junction block, the positive and negative copper bars pass through the magnetic ring, the magnetic ring and the copper bars are fixed on the junction block in an encapsulating manner, and the junction block is arranged inside the box body. However, this structure has the following disadvantages: the magnetic ring is positioned in the controller, occupies the size of the controller, and causes the large overall size and the cost increase of the product; the copper bar needs to be designed to penetrate through the structure and the encapsulation of the magnetic ring, the process is complex, the magnetic ring is difficult to disassemble and assemble, and the product manufacturability deviation exists.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the magnet ring is designed outside the motor controller, does not occupy the size inside a product, is beneficial to miniaturization of the product, is convenient to disassemble, assemble and replace and is low in cost.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a motor controller comprises a box body, wherein a plurality of high-voltage wiring terminals are arranged on one side wall of the box body, a wiring box assembly with an opening on one side is arranged on the outer side of the side wall of the box body, the wiring box assembly and the side wall of the box body are fixed to buckle the high-voltage wiring terminals, and one ends of a plurality of high-voltage wiring harnesses extend into the wiring box assembly and are connected with the corresponding high-voltage wiring terminals; at least one magnetic ring is arranged in the junction box assembly, and the high-voltage wire harness penetrates through the magnetic ring.

Furthermore, the junction box assembly comprises a box body, and a mounting groove for mounting the magnetic ring is formed in the box body.

Further, the mounting groove include tank bottom surface, left lug, right lug and on the box body with the lateral wall that the opening is relative, on the box body with the lateral wall that the opening is relative is located the position of mounting groove top is provided with the lug, the tank bottom surface does the bottom surface of box body.

Furthermore, the bottom surface of box body is provided with the confession high pressure pencil passes the via hole.

Furthermore, the left lug and the right lug are respectively connected with a pressing plate for fixing the magnetic ring on one side of the opening.

Furthermore, two ends of the pressing plate are fixed with the left convex block and the right convex block through fastening bolts respectively.

Furthermore, a gasket is arranged between the pressing plate and the magnetic ring.

Furthermore, the box body with be provided with the operation mouth on the relative lateral wall of opening, go up the lug set up in the downside edge of operation mouth just to the mounting groove is protruding.

Further, the bottom of the junction box assembly is in threaded connection with a locker, and the high-voltage wiring harness penetrates through the locker and is locked.

Furthermore, the high-voltage wire harness comprises a direct-current input positive wire harness and a direct-current input negative wire harness, the number of the magnetic rings is one, and the direct-current input positive wire harness and the direct-current input negative wire harness penetrate through the magnetic rings.

After the technical scheme is adopted, the utility model has the beneficial effects that:

because the motor controller comprises a box body, a plurality of high-voltage wiring terminals are arranged on one side wall of the box body, a wiring box assembly with an opening at one side is arranged on the outer side of the side wall of the box body, the wiring box assembly and the side wall of the box body are fixed to buckle the high-voltage wiring terminals, and one ends of a plurality of high-voltage wiring harnesses extend into the wiring box assembly and are connected with the corresponding high-voltage wiring terminals; at least one magnetic ring is arranged in the junction box assembly, the high-voltage wire harness penetrates through the magnetic ring, and the magnetic ring is arranged in the junction box assembly outside the box body, so that the size of the inside of a product is not occupied, the miniaturization of the product is facilitated, the magnetic ring is convenient to disassemble, assemble and replace, and the cost is low.

Drawings

FIG. 1 is a schematic diagram of an exploded view of a motor controller according to the present invention;

FIG. 2 is a schematic diagram of the motor controller of the present invention;

FIG. 3 is an exploded view of the terminal block assembly of the present invention;

in the figure, 1-box, 2-high-voltage wiring terminal, 3-junction box component, 4-box, 5-groove bottom surface, 6-left lug, 7-right lug, 8-upper lug, 9-magnetic ring, 10-gasket, 11-pressing plate, 12-fastening bolt, 13-through hole, 14-operation opening, 15-high-voltage wiring harness, 16-direct-current input positive wiring harness, 17-direct-current input negative wiring harness and 18-locker.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

All directions referred to in the present specification are based on the drawings, and represent relative positional relationships only, and do not represent absolute positional relationships.

As shown in fig. 1 and fig. 2, a motor controller includes a box 1, and an electronic control module, a driver and a power conversion module installed in the box, wherein a plurality of high voltage connection terminals 2 are provided on a side wall of the box 1, a terminal box assembly 3 with an opening on one side is provided on an outer side of the side wall of the box 1, the terminal box assembly 3 is fixed with the side wall of the box 1 to lock the high voltage connection terminals 2, and one end of a plurality of high voltage wire harnesses 15 extends into the terminal box assembly 3 and is connected with the corresponding high voltage connection terminals 2. At least one magnetic ring 9 is arranged in the junction box assembly 3, and the high-voltage wire harness 15 penetrates through the magnetic ring 9.

As shown in fig. 1, 2 and 3, the high-voltage wire harness 15 includes two dc input positive electrode wire harnesses 16 and a dc input negative electrode wire harness 17 for supplying power to the motor controller, and also includes other wire harnesses for connecting with the motor and the battery, and the electromagnetic interference generated by the dc input positive electrode wire harness 16 and the dc input negative electrode wire harness 17 is larger than that generated by the other wire harnesses, so that the magnetic ring 9 is provided as one in the present embodiment, and the dc input positive electrode wire harness 16 and the dc input negative electrode wire harness 17 pass through the magnetic ring 9. Furthermore, two magnetic rings 9 are arranged in the junction box assembly 3, one of the two magnetic rings is penetrated by the direct current input positive wire harness 16 and the direct current input negative wire harness 17, and the other magnetic ring is penetrated by a wire harness connected with the motor (not shown in the figure), so that the electromagnetic compatibility of the motor controller can be better improved.

As shown in fig. 1 and fig. 3, the terminal box assembly 3 includes a box body 4, one side of the opening of the box body 4 is fixed with the side wall of the box body 1 through a fastening bolt, and an installation groove for installing a magnetic ring 9 is arranged in the box body 4. The mounting groove includes lateral wall relative with the opening on tank bottom surface 5, left lug 6, right lug 7 and the box body 4, and the lateral wall relative with the opening is located the position of mounting groove top on the box body 4 and is provided with lug 8, and left lug 6, right lug 7 and epirelief respectively the piece can prevent that magnetic ring 9 from left, right and rebound, and tank bottom surface 5 is the bottom surface of box body 4. The bottom surface of the box body 4 is provided with a through hole 13 for the high-voltage wire harness 15 to pass through.

As shown in fig. 3, the left projection 6 and the right projection 7 are connected to a pressing plate 11 for fixing the magnetic ring 9 at one side of the opening. The two ends of the pressing plate 11 are fixed with the left lug 6 and the right lug 7 through the fastening bolts 12 respectively, and the two ends of the pressing plate 11 are correspondingly provided with the mounting holes of the fastening bolts 12 on the left lug 6 and the right lug 7. A rubber gasket 10 is arranged between the pressing plate 11 and the magnetic ring 9, so that a buffering effect is achieved, and the shock resistance of the magnetic ring 9 is improved.

As shown in fig. 1, 2 and 3, an operation opening 14 is formed in a side wall of the box body 4 opposite to the opening, so that a worker can fix the high-voltage wire harness 15 to the high-voltage wiring terminal 2 conveniently, and the upper convex block 8 is arranged on the lower side edge of the operation opening 14 and protrudes towards the installation groove. The bottom of the junction box assembly 3 is in threaded connection with a locker 18, and the high-voltage wiring harness 15 penetrates through the locker 18 and is locked, so that the high-voltage wiring harness 15 is conveniently connected with the high-voltage wiring terminal 2. When the junction box assembly 3 is installed, the magnetic ring 9 is installed in the installation groove of the junction box, and the gasket 10 and the pressing plate 11 are sequentially installed on the left lug 6 and the right lug 7 and fixed by the fastening bolt 12; and then the junction box assembly 3 is arranged on the box body 1, the locker 18 is arranged at the bottom of the junction box assembly 3, and the direct current input positive wire harness 16 and the direct current input negative wire harness 17 pass through the locker 18, the through hole 13 and the magnetic ring 9 and are fixedly connected with the high-voltage wiring terminal 2 through fastening screws.

According to the motor controller, the junction box assembly which is used for buckling the high-voltage wiring terminals on the side wall of the box body is arranged outside the box body, one ends of the high-voltage wiring harnesses extend into the junction box assembly and are connected with the corresponding high-voltage wiring terminals, at least one magnetic ring which is penetrated through by the high-voltage wiring harnesses is arranged in the junction box assembly, the magnetic ring is arranged in the junction box assembly outside the box body, the size of the interior of a product is not occupied, the miniaturization of the product is facilitated, the magnetic ring is convenient to disassemble, assemble and replace, and the cost is low.

While specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the described embodiments are only some, and not all, of the present invention, which is presented by way of example only, and the scope of the utility model is defined by the appended claims. Various changes or modifications to these embodiments may be made by those skilled in the art without departing from the principle and spirit of the utility model, and these changes and modifications all fall within the scope of the utility model.

Claims

1. A motor controller comprises a box body and is characterized in that a plurality of high-voltage wiring terminals are arranged on one side wall of the box body, a wiring box assembly with an opening on one side is arranged on the outer side of the side wall of the box body, the wiring box assembly and the side wall of the box body are fixed to buckle the high-voltage wiring terminals, and one ends of a plurality of high-voltage wiring harnesses extend into the wiring box assembly and are connected with the corresponding high-voltage wiring terminals; at least one magnetic ring is arranged in the junction box assembly, and the high-voltage wire harness penetrates through the magnetic ring.

2. The motor controller of claim 1 wherein said terminal block assembly includes a box having a mounting slot therein for mounting said magnet ring.

3. The motor controller according to claim 2, wherein the mounting groove includes a groove bottom surface, a left protrusion, a right protrusion, and a side wall opposite to the opening on the box body, an upper protrusion is disposed on a position above the mounting groove on the side wall opposite to the opening on the box body, and the groove bottom surface is a bottom surface of the box body.

4. The motor controller according to claim 3, wherein a bottom surface of the box body is provided with a through hole through which the high-voltage wire harness passes.

5. The motor controller according to claim 3, wherein a pressing plate for fixing the magnetic ring is connected to each of the left and right protrusions at one side of the opening.

6. The motor controller according to claim 5, wherein both ends of the pressure plate are fixed to the left and right bosses by fastening bolts, respectively.

7. The motor controller of claim 5, wherein a gasket is disposed between said pressure plate and said magnetic ring.

8. The motor controller according to claim 3, wherein an operation opening is provided on a side wall of the box body opposite to the opening, and the upper protrusion is provided at a lower side edge of the operation opening and protrudes toward the mounting groove.

9. The motor controller of claim 1 wherein a locker is threadedly attached to a bottom of the junction box assembly, and the high voltage harness passes through the locker and is locked.

10. The motor controller according to any one of claims 1 to 9, wherein the high voltage wire harness includes a direct current input positive wire harness and a direct current input negative wire harness, the magnetic ring is provided as one, and the direct current input positive wire harness and the direct current input negative wire harness pass through the magnetic ring.