CN111082245A

CN111082245A - Terminal mounting bracket and motor controller

Info

Publication number: CN111082245A
Application number: CN201911235311.5A
Authority: CN
Inventors: 张彬彬
Original assignee: Baoneng Automobile Co Ltd
Current assignee: Baoneng Automobile Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-04-28

Abstract

The invention discloses a terminal mounting frame which comprises a first shell and a second shell which are detachably mounted, wherein the first shell comprises a first bottom plate, an inner side wall and an outer side wall which are annularly arranged on the first bottom plate, the outer side wall and the inner side wall are arranged in an enclosing mode to form a magnetic ring magnetic core accommodating cavity, a copper bar inlet is formed in the area, surrounded by the outer side wall, of the first bottom plate, the second shell comprises a second bottom plate which is arranged opposite to the first bottom plate, a copper bar outlet corresponding to the copper bar inlet is formed in the second bottom plate, an external copper bar enters the terminal mounting frame from the copper bar inlet, and penetrates out of the terminal mounting frame from. According to the terminal mounting frame, the three-phase output copper bar, the terminal mounting frame and the magnetic ring magnetic core are integrally designed through the design of the magnetic ring magnetic core accommodating cavity, the copper bar inlet and the copper bar outlet, and the electromagnetic compatibility of equipment is improved.

Description

Terminal mounting bracket and motor controller

Technical Field

The invention relates to the field of electric automobiles, in particular to a terminal mounting frame and a motor controller.

Background

With the rapid development of the electric automobile industry, the integration of the electric drive system has gradually become a development trend. Through the integration and the integrated design of the three parts of the motor, the motor controller and the speed reducer, the miniaturization and the light weight of the product can be realized, the whole vehicle layout and the weight reduction are facilitated, and meanwhile, the cost is also reduced.

Disclosure of Invention

The technical problem that this application will be solved lies in, provides a machine controller's terminal mounting bracket, is integrated as an organic whole with machine controller's three-phase output copper bar, terminal mounting bracket, magnetic ring magnetic core, improves the electromagnetic compatibility performance of whole equipment.

In a first aspect, the embodiment of the application provides a terminal mounting bracket, including first casing and the second casing of butt joint installation, first casing includes first bottom plate and locates from inside to outside the inside wall and lateral wall on the first bottom plate, first bottom plate with the lateral wall the inside wall encloses to establish and forms the magnetic ring magnetic core and accept the chamber, first bottom plate quilt the copper bar entry is seted up in the region that the inside wall enclosed to establish, the second casing includes the second bottom plate, the second bottom plate set up with the copper bar export that the copper bar entry corresponds, external copper bar is followed the copper bar entry gets into the terminal mounting bracket, and follows the copper bar export is worn out the terminal mounting bracket. Accept the chamber through construct the magnetic ring magnetic core in the terminal mounting bracket to copper bar entry and copper bar export that are used for external copper bar to run through are being designed out, have realized the integrated design of three-phase output copper bar and magnetic ring magnetic core, are favorable to the miniaturized design of product.

In one embodiment, the second housing includes a second base plate, and a first groove and a second groove annularly disposed on the second base plate, the outer sidewall is inserted into the first groove, and the inner sidewall is inserted into the second groove. The first groove and the second groove are just butted with the outer side wall and the inner side wall of the first bottom plate, so that the butt joint installation between the first shell and the second shell is realized.

In one embodiment, a sealing ring is disposed in each of the first groove and the second groove, and when the first casing and the second casing are mounted in a butt joint manner, the end portions of the outer side wall and the inner side wall abut against the sealing rings. The design of the sealing ring 21 provides more tolerance intervals of product design, the allowable error range is enlarged, and the manufacturing cost is reduced.

In one embodiment, a third groove is disposed between the first groove and the second groove, and the third groove forms a magnetic ring and magnetic core accommodating cavity with the outer side wall, the inner side wall, and the first bottom plate. The design of the third groove forms a pre-positioning treatment, so that the magnetic core of the magnetic ring can be conveniently accommodated and positioned.

In one embodiment, a plurality of limiting posts are disposed in the third groove, and when the magnetic ring core is accommodated in the magnetic ring core accommodating cavity, one end of the magnetic ring core abuts against the first bottom plate, and the other end of the magnetic ring core abuts against the limiting posts. The design of spacing post can support on the one hand and hold the magnetic ring magnetic core, and on the other hand utilizes spacing post to carry out the evacuation processing to the third recess, realizes the lightweight design of product.

In one embodiment, the number of the copper bar inlets and the number of the copper bar outlets are 3, 3 the copper bar inlets are arranged in a row, and 3 the copper bar outlets are arranged in a row corresponding to the copper bar inlets. The copper bar outlet and the copper bar inlet which are arranged in a row can realize the flattening design of the terminal mounting frame 100, and the mounting space is saved.

In one embodiment, the first bottom plate is provided with a first channel extending from the copper bar inlet to the copper bar outlet. The first channel extends from the copper bar inlet to the copper bar outlet, so that the external copper bar can conveniently penetrate through the first bottom plate and the second bottom plate.

In one embodiment, an outlet boss is arranged on the surface of the second bottom plate, which faces away from the first bottom plate, and a second channel corresponding to the outlet of the copper bar is formed in the outlet boss. The design of export boss and second passageway is convenient for the second casing to the location of external copper bar, strengthens the limiting displacement of copper bar export to external copper bar.

In one embodiment the depth of the second channels in a row is successively greater. The second channel with the depth changed in sequence realizes the change of the connection direction of the external copper bar, and is favorable for the convenience of wiring between a product and equipment of a motor

On the other hand, in one embodiment, the application provides a motor controller, including mounting panel and the terminal mounting bracket of any one of claims 1-9, the second casing with the mounting panel laminating, first casing detachable install in the mounting panel, the mounting panel is equipped with the mounting panel through-hole that is convenient for the copper bar is worn to establish.

In this application embodiment motor controller's terminal mounting bracket, accept chamber and copper bar entry and copper bar export through at first casing and second casing internal design magnetic ring magnetic core to be integrated as an organic whole with motor controller's three-phase output copper bar, terminal mounting bracket, magnetic ring magnetic core, optimize the electromagnetic compatibility performance of equipment.

Drawings

FIG. 1 is a diagram of an application scenario of a terminal mount in one embodiment of the present invention;

fig. 2 is a schematic view of the mounting of the terminal mounting bracket in one embodiment of the invention;

fig. 3 is an exploded view of a terminal mounting bracket according to an embodiment of the present invention;

FIG. 4 is a block diagram of a first housing in one embodiment of the invention;

FIG. 5 is a bottom view of the first housing in one embodiment of the invention;

FIG. 6 is a block diagram of a second housing in one embodiment of the invention;

FIG. 7 is a bottom view of the second housing in one embodiment of the invention;

FIG. 8 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 9 is a partial enlarged view of area B in FIG. 8;

FIG. 10 is a front view of a second housing in one embodiment of the invention;

fig. 11 is a schematic view of the mounting of the terminal mounting bracket to the mounting plate in one embodiment of the invention.

Detailed Description

The following description of the embodiments of the present application will be made with reference to the accompanying drawings.

The terminal mounting bracket 100 provided by the application is applied to connection between an electric control system and a motor in an electric automobile. In a specific application, as shown in fig. 1, the three-phase output copper bar 150 is led out from the motor controller 200, passes through the terminal mounting block 100, and then is connected with the three-phase connector of the motor 300, so that the connection of the three-phase copper bar between the motor controller 200 and the motor 300 is realized.

As shown in fig. 2 and 3, the present application provides a terminal mounting block 100, which includes a first housing 10 and a second housing 20 that are mounted in a butt joint manner, and a three-phase output copper bar 150 penetrates through the first housing 10 and the second housing 20.

Referring to fig. 4 to 7, the first housing 10 includes a first bottom plate 12, and an inner sidewall 16 and an outer sidewall 14 that are disposed on the first bottom plate 12 from inside to outside. The outer side wall 14 is disposed at the edge of the first base plate 12, the inner side wall 16 is disposed in the area surrounded by the outer side wall, and the inner side wall 16 and the outer side wall 14 are disposed at equal intervals, which are described by comparing with the playground for convenience of understanding, and both form a structural design similar to an inner ring (inner side wall 16) and an outer ring (outer side wall 14) of the playground track. The first bottom plate 12 of the inner side wall 16, the outer side wall 14 and the inner side wall 16 are surrounded to form a magnetic ring magnetic core accommodating cavity, a similar track space sandwiched between the inner side wall 16 and the outer side wall 14 is used for placing a magnetic ring magnetic core, and it should be noted that in order to effectively suppress current and voltage sudden changes caused by an Insulated Gate Bipolar Transistor (IGBT) fast switch inside a motor controller by the magnetic ring magnetic core 30, the magnetic ring magnetic core 30 is generally designed to be a hollow equal-width annular structure. Here the width of the magnetic ring core 30 is equal to the distance between the inner side wall 16 and the outer side wall 14. Meanwhile, the upper and lower surfaces of the magnetic ring core 150 are respectively abutted against the first casing 10 and the second casing 20, and the stability of the magnetic ring core 30 during operation is ensured by the abutting of the inner side wall 16, the outer side wall 14, the first bottom plate 12 and the second bottom plate 22 in four directions in space. A copper bar inlet 18 is formed in the first base plate 12 in the area surrounded by the outer side wall 14 (i.e. the area of the court surrounded by the inner race track), and the copper bar inlet 18 is used for guiding the three-phase output copper bar 150 to enter the terminal mounting block 100. When the three-phase output copper bar 150 enters the terminal mounting frame 100 from the copper bar inlet 18, the three-phase output copper bar 150 passes through the hollow area of the magnetic ring magnetic core 150, so that the magneto-electric response suppression of the magnetic ring magnetic core 150 to the three-phase output copper bar 150 passing through the hollow area is realized. It should be noted that the first housing 10 can be integrally formed by a mold, that is, the first bottom plate 12 is integrally formed with the outer sidewall 14 and the inner sidewall 16, so that the manufacturing cost is reduced by the integrally formed process, and the operation is simple.

As shown in fig. 6 and 7, the second housing 20 in the embodiment includes a second bottom plate 22, and the second bottom plate 22 is disposed parallel to and opposite to the first bottom plate 12 of the first housing 10 to facilitate the detachable installation of the first housing 10 and the second housing 20. The second bottom plate 22 is provided with a copper bar outlet 28 corresponding to the copper bar inlet 18, and the first bottom plate 12 and the second bottom plate 22 are arranged in parallel and oppositely, so the copper bar outlet 28 arranged on the second bottom plate 22 is the projection of the copper bar inlet 18 on the second bottom plate 22. External three-phase output copper bar 150 gets into terminal mounting bracket 100 from copper bar entry 18 to wear out terminal mounting bracket 100 from copper bar export 28, because what three-phase output copper bar 150 generally adopted is square straight strip panel, so need set up the two respectively on second bottom plate 22 and the first bottom plate 12 that are parallel to each other when designing copper bar export 28 and copper bar entry 18, and each other is the projection, three-phase output copper bar 150 just so injects the copper bar entry 18 with the mode of the first bottom plate 12 of perpendicular to, and wear out copper bar export 28 with the mode of perpendicular to second bottom plate 22.

In one embodiment, as shown in fig. 6 and 7, the second housing 20 further includes a first groove 24 and a second groove 26 encircling the second base plate 22, the outer sidewall 14 partially inserted into the first groove 24, and the inner sidewall 16 partially inserted into the second groove 26. In this embodiment, the outer side wall 14 is inserted into the first groove 24, and the inner side wall 16 is inserted into the second groove 26, so that the first casing 10 and the second casing 20 can be detachably mounted. The magnetic ring core 150 is accommodated in the accommodating space defined by the inner wall 16, the outer wall 14, the first bottom plate 12 and the second bottom plate 22, and when the magnetic ring core needs to be taken or placed, the outer wall 14 and the inner wall 16 of the first housing 10 only need to be pulled out of the first groove 24 and the second groove 26. Since the first base plate 12 and the second base plate 22 are parallel and opposite, the projections of the plug-in sections of the outer side walls 14 and the plug-in sections of the inner side walls 16 on the second base plate 22 just fall into the first grooves 24 and the second grooves 26. In the embodiment in which it is desired to ensure that the inner side wall 16 is partially inserted into the second groove 26 and that the inner side wall 16 has a stable structure, a reinforcing rib is provided around the inner side wall 16, which results in a change in the dimension of the extension section of the inner side wall 16, and in order to solve this problem, as shown in fig. 8 and 9, an inner wall protrusion 162 is formed at the end of the inner side wall 16 away from the first bottom plate 12. The inner wall protrusion 162 is used as an extension of the inner wall 16 to be inserted into the second groove 26, and the design of the inner wall protrusion 162 not only ensures the support function of the main body of the inner wall 16, but also ensures that the inner wall 16 is partially inserted into the second groove 26. The detachable mounting of the first and

second housings

10, 20 is achieved by the mating of the outer and

inner side walls

14, 16 with the first and

second grooves

24, 26.

In one specific embodiment, as shown in fig. 8 and 9, the first groove 24 and the second groove 26 are provided with the sealing rings 21, and when the first shell 10 and the second shell 20 are butt-mounted, the end portions of the outer side wall 14 and the inner side wall 16 are abutted against the sealing rings 21. Due to the error of the manufacturing process, after the first housing 10 and the second housing 20 are installed, the size of the accommodating space defined by the inner side wall 16, the outer side wall 14, the first bottom plate 12 and the second bottom plate 22 has an error with the size of the magnetic ring core 150. In the present embodiment, the distance between the first bottom plate 12 and the second bottom plate 22 is adjusted to a preset size by 1 to 5 mm, and then the sealing ring 21 is disposed in the first groove 24 and the second groove 26, so that the end portions of the outer side wall 14 and the inner side wall 16 are abutted against the sealing ring 21 when the first casing 10 and the second casing 20 are butt-mounted. The design of the sealing ring 21 provides more tolerance intervals of product design, the allowable error range is enlarged, and the manufacturing cost is reduced.

In one embodiment, as shown in fig. 8 and 9, a third groove 23 is disposed between the first groove 24 and the second groove 26, and the third groove 23 forms a magnetic ring core 150 accommodating cavity with the outer sidewall 14, the inner sidewall 16, and the first base plate 12. In the embodiment, the magnetic ring core 150 is located in the interval sandwiched between the outer sidewall 14 and the inner sidewall 16, the upper and lower ends of the magnetic ring core 150 respectively abut against the first bottom plate 12 and the second bottom plate 22, and the third groove 23 is disposed between the first groove 24 and the second groove 26, that is, the second bottom plate 22 is provided with the third groove 23 for placing the magnetic ring core 150. The third groove 23 is designed to facilitate the pre-placement of the magnetic ring core 150. In a specific installation process, the second housing 20 is usually located below the first housing 10, that is, the second housing 20 is similar to a chassis for holding the magnetic ring core 150 and the first housing 10, so when the first housing 10 and the second housing 20 are installed in a butt joint manner, the magnetic ring core 150 needs to be placed on the second housing 20 in advance, and the design of the third groove 23 is a pre-positioning process. Since the third groove 23 is located between the first groove 24 and the second groove 26, and the first groove 24 and the second groove 26 are respectively abutted against the outer sidewall 14 and the inner sidewall 16, when the magnetic ring magnetic core 150 is pre-placed in the third groove 23, it can be ensured that the magnetic ring magnetic core 150 is accurately located between the outer sidewall 14 and the inner sidewall 16.

In a specific embodiment, as shown in fig. 9, a plurality of position-limiting columns 232 are disposed in the third groove 23, and when the magnetic ring core 150 is accommodated in the magnetic ring core accommodating cavity, one end of the magnetic ring core 150 abuts against the first bottom plate 12, and the other end abuts against the position-limiting columns 232. The limiting columns 232 abut against one end of the magnetic ring magnetic core 150, so that the third groove 23 can be hollowed, and the light-weight design of the product is realized.

In a specific embodiment, as shown in fig. 3, the number of the copper bar inlets and the number of the copper bar outlets are 3, 3 of the copper bar inlets are arranged in a row, and 3 of the copper bar outlets are arranged in a row corresponding to the copper bar inlets. The 3 copper bar inlets 18 on the first bottom plate 12 and the 3 copper bar outlets 28 on the second bottom plate 22 are correspondingly arranged, so that the three-phase output copper bars 150 of the motor controller 200 are respectively arranged on the first bottom plate 12 and the second bottom plate 22 in a penetrating manner. Specifically, the U/V/W three-phase control joints of the motor controller 200 are respectively connected to 3 three-phase output copper bars 150, the three-phase output copper bars 150 are in a strip plate shape, and the two ends of the strip plate-shaped three-phase output copper bars 150 are respectively provided with a first joint 151 and a second joint 152. When the three-phase copper bar 150 is inserted through the first bottom plate 12 and the second bottom plate 22, 3 second connectors 152 penetrate through the first bottom plate 12 from the three copper bar inlets 18 on the first bottom plate 12 until the second bottom plate 22 penetrates through the three copper bar outlets 28 on the second bottom plate 22. 3 first joints 151 of the three-phase output copper bar 150 which is completely penetrated are exposed out of the first bottom plate 12, and the exposed 3 first joints 151 are conveniently connected with a U/V/W three-phase control output joint of the motor controller 200; similarly, 3 second connectors 152 of the three-phase output copper bar 150 that has been completely penetrated are exposed on the second bottom plate 22, and the 3 exposed second connectors 152 are convenient for being connected with the U/V/W three-phase input connector of the motor. In order to facilitate the spatial arrangement of the three-phase copper bars 150, the 3 copper bar inlets 18 and the 3 copper bar outlets 28 are correspondingly arranged in a row, that is, when the three-phase copper bars 150 are respectively arranged on the first bottom plate 12 and the second bottom plate 22, the three-phase copper bars 150 are arranged in a row. This has the advantage that a flattened design of the terminal mounting block 100 is achieved, saving space for its installation.

In one particular embodiment, as shown in fig. 3 and 8, the first bottom plate 12 is provided with a first channel 13 extending from the copper bar inlet 18 to the copper outlet 28. After the three-phase output copper bar 150 penetrates through the first bottom plate 12 and enters the terminal mounting frame 100, the second bottom plate 22 needs to be penetrated through the copper bar outlet 28, and the design of the first channel 13 is convenient for guiding the penetration alignment of the three-phase output copper bar 150 between the first bottom plate 12 and the second bottom plate 22. The caliber of the first channel 13 is the same as that of the copper bar inlet 18. Specifically, in order to facilitate accurate alignment of the first channel 13 and the copper bar outlet 28, the aperture of the first channel 13 is the same as the apertures of the copper bar inlet 18 and the copper bar outlet 28, and the copper bar inlet 18 and the copper bar outlet 28 with the same aperture and the first channel 13 connected therebetween form a complete copper bar penetrating channel.

Specifically, in one embodiment, as shown in fig. 8, the first plate surface 221 of the second bottom plate 22 opposite to the first bottom plate 12 is partially recessed, at this time, the first channel 13 still extends to the copper bar outlet 28, at this time, a convex surface formed by the first plate surface 12 due to the extension of the first channel 13 is just butted with a concave surface formed by the partial recess of the first panel 221, and the joint of the concave surface and the convex surface can ensure that the first housing 10 and the second housing 20 do not slide relatively when butted, which is favorable for the structural stability of the whole terminal mounting block 100.

In a specific embodiment, as shown in fig. 8 and 10, an outlet boss 25 is provided on the surface 222 of the second bottom plate 22 opposite to the first bottom plate 12, and the outlet boss 25 defines a second channel 252 corresponding to the copper bar outlet 28. The outlet boss 25 is pierced along the copper bar outlet 28 to form a second passage 252. The second channel 252 is formed by penetrating the outlet boss along the copper bar outlet 18, and the first channel 13 extends from the copper bar inlet 18 to the copper bar outlet 28, so that the second channel 252 and the first channel 13 are butted to form a complete copper bar channel, which is convenient for the positioning and penetration of the three-phase output copper bar 150. The design of the second channel 252 lies in the positioning design of the second bottom plate 22 for the three-phase output copper bar 150, if only the first channel 13 on the first bottom plate 12 limits the three-phase output copper bar 150, the second bottom plate 22 is hard to play a limiting role next to the copper bar outlet 28, in actual operation, the three-phase output copper bar 150 is worn and torn on the copper bar outlet 28 due to the deflection of installation, the limiting effect will be further reduced, therefore, an outlet boss 25 needs to be designed on the second bottom plate 22, then the second channel 252 is formed by taking the copper bar outlet 28 as a reference, the first channel 13 arranged on the first shell 10 and the second channel 252 arranged on the second shell 20 can be butted to form a complete copper bar channel, and the three-phase output copper bar 150 is positioned in a penetrating manner.

In one particular embodiment, as shown in fig. 8 and 10, the depths of the second channels 252 in a row become successively smaller. The second channels 252 are sequentially formed according to the copper bar outlets 28 on the second bottom plate 22, and when 3 copper bar outlets 28 are arranged in a row, the corresponding 3 second channels 252 are also arranged in a row. Specifically, when designing the motor casing, the spatial position of each component needs to be considered, as shown in fig. 1, the routing of the three-phase output copper bar 150 between the motor controller 200 and the motor 300 is bent by 90 degrees, that is, an L-shaped routing is formed. At this time, in order to avoid bending of the three-phase output copper bar 150 or the connecting wire, the size of the three-phase output copper bar 150 is adjusted, that is, the length of the first copper bar is l1, the length of the second copper bar is l2, the length of the third copper bar is l3, and l1> l2> l 3. Like this along three-phase output copper bar 150 length direction, 3 second joints 152 that first copper bar, second copper bar and third copper bar correspond respectively are located different positions, and the butt joint only needs transversely to accomplish with the motor 300 that 3 second joints 152 are connected this moment, and need not buckle three-phase output copper bar 150. The three-phase output copper bar 150 penetrates through the first channel 13 and the second channel 252, the first channel 13 is arranged between the first base plate 12 and the second base plate 22, the length dimension of the first channel cannot be changed, the second channel 252 is arranged in the outlet boss 25, the length dimension of the second channel 252 can be adjusted by adjusting the height of the outlet boss 25, namely, the length dimension of the second channel 252 is related to the length dimension of the three-phase output copper bar 150. When the sizes of the first copper bar, the second copper bar and the third copper bar meet l1> l2> l3, the channel lengths of the corresponding 3 second channels 252 are sequentially decreased progressively. Through the design, the position layout of the motor controller 200 and the motor 300 is adjusted, and the insufficient utilization of space caused by the vertical layout of the motor controller and the motor is avoided.

In a second aspect, the present application further provides a motor controller, as shown in fig. 3 and fig. 11, in a specific embodiment, the electronic box includes a mounting plate 350 and the above-mentioned terminal mounting bracket 100, the second housing 20 of the terminal mounting bracket 100 is attached to the mounting plate 350, the first housing 10 is detachably mounted on the mounting plate 350, and the mounting plate 350 is provided with a mounting plate through hole 352 for the three-phase output copper bar 150 to pass through. The mounting plate 350 in this embodiment may be any suitable plate material for the electrical box 400 for securing the terminal mounting bracket 100. The second housing 20 of the terminal mounting block 100 is attached to the mounting plate 350, that is, a partial region of the second plate surface 222 of the second base plate 22 is attached to the mounting plate 350; meanwhile, the first housing 10, which is mounted in a butt joint with the second housing 20, is provided with a mounting foot 15, the mounting plate 350 is provided with a fixing platform 354, and the fixing platform 354 and the mounting foot 15 are correspondingly arranged and detachably connected through a screw. When the first casing 10 is drawn toward the mounting plate 350 by the screws, the second casing 20 located between the first casing 10 and the mounting plate 350 also completes the attachment butt with the first casing 10 and the mounting plate 350, respectively. In order to ensure that the three-phase output copper bar 150 can smoothly pass through the terminal mounting frame 350, the mounting plate 350 is provided with a mounting plate through hole 352, when the terminal mounting frame 100 is mounted, the mounting plate through hole 352 just faces the region on the second bottom plate 22 where the copper bar outlet 28 is arranged, and the three-phase output copper bar 150 which passes through the second bottom plate 22 conveniently passes through the mounting plate 350. When the outlet boss 25 is arranged on the second bottom plate 22, the outlet boss 25 can pass through the mounting plate through hole 352, and the three-phase output copper bar 150 passes through the second casing 20 through the second channel 252 of the outlet boss 25 and simultaneously passes through the mounting plate 350.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a terminal mounting bracket, a serial communication port, first casing and second casing including demountable installation, first casing includes first bottom plate and locates from inside to outside the inside wall and lateral wall on the first bottom plate, first bottom plate with the lateral wall the inside wall is enclosed and is established and form the magnetic ring magnetic core and accept the chamber, first bottom plate quilt the copper bar entry is seted up in the region that the inside wall was enclosed and is established, the second casing includes the second bottom plate that sets up with first bottom plate is relative, the second bottom plate set up with the copper bar export that the copper bar entry corresponds, external copper bar is followed the copper bar entry gets into the terminal mounting bracket, and follow the copper bar export is worn out the terminal mounting bracket.

2. The terminal mounting bracket of claim 1, wherein said second housing further includes a first recess and a second recess circumferentially disposed on said second base plate, said outer sidewall portion being inserted into said first recess and said inner sidewall portion being inserted into said second recess.

3. The terminal mounting bracket of claim 2, wherein a gasket is disposed in each of said first and second grooves, and wherein ends of said outer and inner side walls abut said gasket when said first and second housings are mated.

4. The terminal mounting bracket of claim 3, wherein a third recess is disposed between the first recess and the second recess, the third recess forming a magnetic ring core receiving cavity with the outer side wall, the inner side wall, and the first base plate.

5. The terminal mounting bracket of claim 4, wherein a plurality of retaining posts are disposed in the third recess, and when the magnetic ring core is received in the magnetic ring core receiving cavity, one end of the magnetic ring core abuts against the first base plate and the other end abuts against the retaining posts.

6. The terminal mount of claim 1, wherein the first base plate is provided with a first channel extending from the copper bar inlet to the copper bar outlet.

7. The terminal mounting bracket of claim 6, wherein an outlet boss is provided on a surface of the second base plate facing away from the first base plate, the outlet boss defining a second channel corresponding to the outlet of the copper bar.

8. The terminal mounting bracket of claim 7, wherein the number of said copper bar inlets and said copper bar outlets are 3 each, 3 of said copper bar inlets are arranged in a row, and 3 of said copper bar outlets are arranged in a row corresponding to said copper bar inlets.

9. The terminal mounting bracket of claim 8, wherein the 3 second channels aligned in a line have different depths that decrease in sequence.

10. A motor controller, comprising a mounting plate and the terminal mounting bracket as set forth in any one of claims 1 to 9, wherein the second housing is attached to the mounting plate, the first housing is detachably mounted to the mounting plate, and the mounting plate is provided with mounting plate through holes for the copper bars to penetrate through.