CN212324510U

CN212324510U - Electric vehicle double-motor controller shell and motor controller

Info

Publication number: CN212324510U
Application number: CN201922496939.2U
Authority: CN
Inventors: 李萌
Original assignee: Unison New Energy Xuzhou Co ltd
Current assignee: Unison New Energy Xuzhou Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-01-08
Anticipated expiration: 2029-12-31

Abstract

The utility model belongs to the technical field of motor controller, a double motor controller shell of electric vehicle and motor controller are disclosed, the double motor controller shell of electric vehicle comprises a shell, the shell comprises a plastic shell and a base, the plastic shell is fixedly connected with the base through fastening screws, the fastening screws are positioned at four corners of the plastic shell, a metal bottom plate is fixed on the side of the base close to the plastic shell, a waterproof groove is also arranged on the side of the base close to the plastic shell, the waterproof groove is positioned between the metal bottom plate and the side wall of the base, a waterproof rubber ring is fixed in the waterproof groove, and a waterproof piece is also arranged at the top of the plastic shell; the middle of the side wall of the plastic shell is provided with a bulge which extrudes the waterproof rubber ring to achieve a good waterproof effect; and meanwhile, the upper end of the plastic shell is provided with six through holes, and O-shaped rubber rings are arranged in the through holes, so that the waterproof effect is further improved.

Description

Electric vehicle double-motor controller shell and motor controller

Technical Field

The utility model belongs to the technical field of machine controller, especially, relate to an electric motor car bi-motor controller shell and machine controller.

Background

The new energy electric automobile has the advantages that zero emission of tail gas is realized, automobile tail gas pollution is effectively reduced, the running cost is low, so that the electric automobile is more and more applied to places with higher environmental requirements such as walking and tourist attractions, and the core three-part component of the electric automobile consists of a motor controller, a motor and a battery; the motor is an alternating current motor which is matched with an alternating current controller, and the direct current output by the battery is inverted into an alternating current driving motor by the controller.

The joint of the shell of the existing motor controller and the metal bottom plate is fixed and compressed by screws, and the middle part of the joint is filled with a waterproof sealing ring to fill a gap.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides an electric motor car bi-motor controller shell and machine controller.

In a first aspect, the utility model discloses a realize like this, an electric motor car dual motor controller shell includes the casing, the casing includes plastic casing and base, plastic casing passes through fastening screw fixed connection with the base, fastening screw is located four corners of plastic casing, the base is close to the plastic casing side and is fixed with metal soleplate, the base is close to the plastic casing side and still is equipped with the capillary groove, the capillary groove be located metal soleplate with between the base lateral wall, the inside waterproof rubber ring that is fixed with of capillary groove, the plastic casing top still is equipped with waterproof.

Adopt above-mentioned scheme: set up a plurality of archs at plastic casing lateral wall lower extreme, extrude waterproof rubber ring through the arch, increase waterproof rubber ring's water-proof effects, promote the waterproof nature of plastic casing lateral wall.

As the utility model relates to an electric motor car bi-motor controller shell preferred technical scheme, the base sets up with metal soleplate is fixed as an organic whole.

Adopt above-mentioned scheme: the base and the metal bottom plate are made into an integrated structure, so that the cost is effectively saved.

As the utility model relates to an electric motor car bi-motor controller shell preferred technical scheme, waterproof is including seting up the circular through-hole in the plastic casing upper end, circular through-hole is equipped with six altogether, it is protruding that circular through-hole inside is fixed to be equipped with the annular, form little step between annular arch and the circular through-hole.

Adopt above-mentioned scheme: the small step-shaped through annular bulges are formed inside the circular through hole, so that the O-shaped waterproof rubber ring is conveniently placed, and the integral waterproofness of the plastic shell is increased.

As the utility model relates to an electric motor car dual motor controller shell preferred technical scheme, the protruding upper end of annular is fixed has placed O type rubber ring.

As the utility model relates to an electric motor car bi-motor controller shell preferred technical scheme, the casing passes through the die-casting shaping.

In a second aspect, the embodiment of the application also provides a motor controller, which includes the above electric vehicle dual-motor controller housing.

Optionally, a cavity is arranged between the plastic shell and the metal bottom plate, and a power plate, a capacitor plate, a driving plate and a control plate are arranged in the cavity from bottom to top; the power board is provided with a plurality of power tubes, a U-phase wiring terminal, a V-phase wiring terminal, a W-phase wiring terminal and a P-phase wiring terminal, wherein the U-phase wiring terminal, the V-phase wiring terminal and the W-phase wiring terminal are arranged in a straight line, and the P-phase wiring terminal is positioned in the central part of one side of the power board; the capacitor plate is provided with a plurality of capacitors, a B + wiring terminal and a B-wiring terminal, wherein the B + wiring terminal and the B-wiring terminal are arranged according to two parallel straight lines, and the capacitors are positioned on the same side of the B + wiring terminal and the B-wiring terminal; the capacitor plate is arranged on one side of the long edge of the power plate and is tightly attached to the power plate; the driving board is positioned right above the power board, is supported by the binding post and is connected with the power board by adopting a flexible flat cable; the control board is positioned right above the driving board and is connected with the driving board by adopting double-row pin connection; the upper end face of the metal bottom plate is provided with a radiator, and the radiator is located below the power plate.

Optionally, the U-phase terminal, the V-phase terminal, and the W-phase terminal fix a middle portion of the power board, the P-phase terminal is located at a center of one side of the power board, the plurality of power tubes are disposed at the center of the power board, and the power board is made of an aluminum substrate.

Optionally, a heat dissipation boss is arranged on the metal base plate, the control panel is supported and fixed on the heat dissipation boss, and a heat conduction silicon pad is arranged between the control panel and the heat dissipation boss.

Optionally, a plurality of first fixing holes are reserved right above the heat dissipation boss on the metal base plate, and a gap for accommodating the power board is formed in the inner side of the heat dissipation boss.

Optionally, a plurality of second fixing holes are formed in the inner surface of the metal bottom plate and used for fixing the power board, the U-phase wiring terminal, the V-phase wiring terminal, the W-phase wiring terminal and the P-phase wiring terminal.

The utility model discloses an advantage and positive effect do: the plastic casing upper end sets up six circular through-holes, and the O type rubber ring is placed to the inside little step form that is of circular through-hole simultaneously, and when passing through the pencil, water-proof effects is good, prevents that the casing is inside to intake, influences machine controller's normal work, and extrusion water-proof rubber ring is effectual, is favorable to the shell lateral wall waterproof. The middle of the side wall of the plastic shell is provided with a bulge which extrudes the waterproof rubber ring, thereby having good waterproof effect.

Drawings

Fig. 1 is a schematic structural diagram of a dual-motor controller housing of an electric vehicle according to an embodiment of the present invention;

fig. 2 is a schematic top view of a dual-motor controller housing of an electric vehicle according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of a dual-motor controller housing of an electric vehicle according to an embodiment of the present invention;

fig. 4 is a schematic top view of another electric vehicle dual-motor controller housing provided by the embodiment of the present invention;

fig. 5 is an exploded schematic view of a motor controller according to an embodiment of the present disclosure;

in the figure: 1. a housing; 2. fastening screws; 3. a metal base plate; 4. a waterproof groove; 5. a waterproof rubber ring; 6. A waterproof member; 7. a small column base; 8. an O-shaped rubber ring; 9. a first fixing hole; 10. a second fixing hole; 11. a plastic housing; 12. a base; 13. a heat sink; 14. a power board; 15. a capacitive plate; 16. a control panel; 17. A drive plate; 18. a power tube; 19. a U-phase binding post; 20. a V-phase binding post; 21. a W-phase binding post; 22. a P-phase binding post; 23. a capacitor; 24. b + binding post; 25. b-a binding post; 26. a heat dissipation boss; 29. a thermally conductive silicon pad; 61. a circular through hole; 62. an annular protrusion.

Detailed Description

In order to further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the embodiment of the utility model provides an electric motor car bi-motor controller shell includes casing 1, casing 1 includes plastic casing 11 and base 12, plastic casing 11 passes through fastening screw 2 fixed connection with base 12, fastening screw 2 is located four corners of plastic casing 11, base 12 is close to plastic casing 11 side and is fixed with metal soleplate 3, base 12 is close to plastic casing 11 side and still is equipped with capillary groove 4, capillary groove 4 be located metal soleplate 3 with between the base 12 lateral wall, capillary groove 4 is inside to be fixed with waterproof rubber ring 5, plastic casing 11 top still is equipped with waterproof 6, and casing 1 passes through mould die-casting shaping.

As shown in fig. 3, the base 12 and the metal base plate 3 may be fixed together.

As shown in fig. 2, optionally, the waterproof member 6 includes six circular through holes 61 provided at an upper end of the plastic housing 11, an annular protrusion 62 is fixedly provided inside the circular through holes 61, and a small step is formed between the annular protrusion 62 and the circular through holes 61.

Specifically, an O-shaped rubber ring 8 is fixedly arranged at the upper end of the annular bulge 62.

The utility model discloses a theory of operation: when using, the waterproof rubber ring of 4 internally mounted joints of waterproof slot 5 in base 12 upper end, connect bi-motor controller on metal soleplate 3, it is fixed with the installation of plastic casing 11 with base 12 through fastening screw 2 at last, when the installation is fixed, the arch 7 and the extrusion of contradicting of waterproof rubber ring 5 of 11 lateral walls bottom of plastic casing, simultaneously, the fixed O type rubber ring 8 in the protruding 62 upper ends of annular, put into use, in the course of the work, through waterproof rubber ring 5 with the O type rubber ring 8 at 11 tops of plastic casing, it is inside waterproof to carry out.

Based on the same technical concept, as shown in fig. 5, an embodiment of the present application further provides a motor controller, which includes the above-mentioned electric vehicle dual-motor controller housing. Specifically, the double-motor controller shell of the electric vehicle can be applied to a motor controller.

As shown in fig. 5, optionally, a cavity is provided between the plastic housing 11 and the metal base plate 3, and a power board 14, a capacitor board 15, a driving board 17 and a control board 16 are placed in the cavity from bottom to top; the power board 14 is provided with a plurality of power tubes 18, a U-phase wiring column 19, a V-phase wiring column 20, a W-phase wiring column 21 and a P-phase wiring column 22, wherein the U-phase wiring column 19, the V-phase wiring column 20 and the W-phase wiring column 21 are arranged in a straight line, and the P-phase wiring column 22 is located at the central part of one side of the power board 14; the capacitor plate 15 is provided with a plurality of capacitors 23, a B + binding post 24 and a B-binding post 25, wherein the B + binding post 24 and the B-binding post 25 are arranged according to two parallel straight lines, and the capacitors 23 are positioned on the same side of the B + binding post 24 and the B-binding post 25; the capacitor plate 15 is arranged on one side of the long side of the power plate 14 and is tightly attached to the power plate 14; the driving board 17 is positioned right above the power board 14, is supported by a binding post and is connected with the power board 14 by adopting a flexible flat cable; the control board 16 is positioned right above the driving board 17 and is connected with the driving board 17 by adopting double-row pin connection; the upper end face of the metal bottom plate 3 is provided with a radiator 13, and the radiator 13 is positioned below the power plate 14, so that the radiator 13 can express heat to the metal bottom plate 3.

Alternatively, the metal base plate 1 and the heat sink 3 are constructed in one piece.

Optionally, the U-phase terminal 19, the V-phase terminal 20, and the W-phase terminal 21 fix a middle portion of the power board 14, the P-phase terminal 22 is located at a center of one side of the power board 14, the plurality of power tubes 18 are disposed at a center of the power board 14, the power board 14 is made of an aluminum substrate, and the power board 14 made of the aluminum substrate is more favorable for heat dissipation.

Optionally, a heat dissipation boss 26 is arranged on the metal base plate 3, the control board 16 is supported and fixed on the heat dissipation boss 26, and a heat conduction silicon pad 29 is arranged between the control board 16 and the heat dissipation boss 26; in this way, the control board 16 and the heat dissipation boss 26 are insulated and heat dissipated by using the heat conductive silicon pad 29, which makes the assembly more safe and reliable and easier.

Optionally, a plurality of first fixing holes 9 are left right above the heat dissipation boss 26 on the metal base plate 3, and a gap for accommodating the power board 14 is formed inside the heat dissipation boss 26.

Optionally, the inner surface of the metal base plate 3 is provided with a plurality of second fixing holes 10 for fixing the power board 14, the U-phase terminal 19, the V-phase terminal 20, the W-phase terminal 21, and the P-phase terminal 22.

Optionally, six circular through holes 61, a B + terminal 24, a B-terminal 25, a U-phase terminal 19, a V-phase terminal 20, a W-phase terminal 21, and a P-phase terminal 22 are formed in the plastic housing 11, and pass through the corresponding six circular through holes 61, and the circular through holes 61 and the terminals are sealed by O-rings 8.

Alternatively, the B + terminal 24, the B-terminal 25, the U-phase terminal 19, the V-phase terminal 20, the W-phase terminal 21, and the P-phase terminal 22 are respectively provided with a small post 7 in the middle, and threaded holes are formed inside the small post for fixing the drive plate 17. The B + binding post 24, the B-binding post 25, the U-phase binding post 19, the V-phase binding post 20, the W-phase binding post 21 and the P-phase binding post 22 extend out of the driving plate 17 and are screwed into the threaded holes for fastening.

In the embodiment, a waterproof groove 4 is arranged at the joint of the metal bottom plate 3 and the bottom of the side wall of the plastic shell 11, a waterproof rubber ring 5 is arranged in the waterproof groove 4, and the plastic shell 11 is fixed on the metal bottom plate 3;

optionally, the waterproof rubber ring 5 and the O-shaped rubber ring 8 are both made of flexible materials.

The utility model discloses a theory of operation: the motor controller consists of four circuit boards, namely a control board 16, a drive board 17, a capacitor board 15 and a power board 18, wherein the four circuit boards are sequentially provided with the power board 14, the capacitor board 15, the drive board 17 and the control board 16 from bottom to top in a vertical and upward manner; the wiring terminals of the power board 14 are linearly distributed, the power tubes 18 are uniformly distributed on the power board 14, the wiring terminals are fixed, the power board 14 is fixed on the metal bottom plate 3, and the power board 14 is further installed in a reinforcing mode through the first fixing hole 9; one side of the capacitor plate 15 is tightly attached to the power plate 14, the B + binding post 24 and the B-binding post 25 are arranged on the capacitor plate 15, and the capacitor plate 15 and the power plate 14 are simultaneously fixed by fixing the B + binding post 24 and the B-binding post 25; the capacitor plate 15 is upward, namely the driving plate 17, the driving plate 17 is connected with the power plate 14 by the overhead binding post at the half waist by adopting a flexible flat cable, and the interference of large current and the influence of high temperature on the power plate 14 can be eliminated; the driving plate 17 is further provided with a control plate 16, one side of the control plate 16 is fixed on a heat dissipation boss 26 of the metal bottom plate 3 and has a heat dissipation effect on a power device on the control plate 16, and the other side of the control plate 16 is fixed on a B + binding post 24 and a B-binding post 25 and has a fixing and conducting effect; in addition, a waterproof groove 4 is arranged at the joint of the metal bottom plate 3 and the plastic shell 11, a waterproof rubber ring 5 and a waterproof sealing O-shaped rubber ring adopted at the joint of the binding post and the plastic shell 11 are placed in the waterproof groove 4, the sealing performance of the controller is improved, liquid such as water is prevented from entering an inner cavity of the controller, a circuit is prevented from being damaged, and the waterproof performance of the controller is improved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an electric motor car bi-motor controller shell, a serial communication port, electric motor car bi-motor controller includes casing (1), casing (1) includes plastic casing (11) and base (12), plastic casing (11) pass through fastening screw (2) fixed connection with base (12), fastening screw (2) are located four corners of plastic casing (11), base (12) are close to plastic casing (11) side and are fixed with metal soleplate (3), base (12) are close to plastic casing (11) side and still are equipped with capillary groove (4), capillary groove (4) be located metal soleplate (3) with between base (12) lateral wall, capillary groove (4) internal fixation has waterproof rubber ring (5), plastic casing (11) top still is equipped with waterproof piece (6).

2. The double-motor controller shell of the electric vehicle as claimed in claim 1, wherein the base (12) and the metal bottom plate (3) are fixedly arranged in an integrated manner.

3. The electric vehicle double-motor controller shell as recited in claim 1, wherein the waterproof member (6) comprises six circular through holes (61) formed at the upper end of the plastic shell (11), an annular protrusion (62) is fixedly arranged inside the circular through holes (61), and a small step is formed between the annular protrusion (62) and the circular through holes (61).

4. The double-motor controller shell of the electric vehicle as claimed in claim 3, wherein an O-shaped rubber ring (8) is fixedly arranged at the upper end of the annular bulge (62).

5. A motor controller characterized by comprising the electric vehicle dual-motor controller housing as claimed in any one of claims 1 to 4.

6. The motor controller according to claim 5, characterized in that a cavity is arranged between the plastic shell (11) and the metal bottom plate (3), and a power board (14), a capacitance board (15), a driving board (17) and a control board (16) are arranged in the cavity from bottom to top; the power board (14) is provided with a plurality of power tubes (18), a U-phase wiring terminal (19), a V-phase wiring terminal (20), a W-phase wiring terminal (21) and a P-phase wiring terminal (22), wherein the U-phase wiring terminal (19), the V-phase wiring terminal (20) and the W-phase wiring terminal (21) are arranged in a straight line, and the P-phase wiring terminal (22) is positioned in the central part of one side of the power board (14); the capacitor plate (15) is provided with a plurality of capacitors (23), a B + binding post (24) and a B-binding post (25), wherein the B + binding post (24) and the B-binding post (25) are arranged according to two parallel straight lines, and the capacitors (23) are positioned on the same side of the B + binding post (24) and the B-binding post (25); the capacitor plate (15) is arranged on one side of the long side of the power plate (14) and is tightly attached to the power plate (14); the driving board (17) is positioned right above the power board (14), is supported by a binding post and is connected with the power board (14) by adopting a flexible flat cable; the control board (16) is positioned right above the driving board (17) and is connected with the driving board (17) by adopting double-row pin connection; the upper end face of the metal bottom plate (3) is provided with a radiator (13), and the radiator (13) is positioned below the power plate (14).

7. The motor controller according to claim 6, wherein the U-phase terminal (19), the V-phase terminal (20) and the W-phase terminal (21) are fixed in the middle of the power board (14), the P-phase terminal (22) is located in the center of one side of the power board (14), the plurality of power tubes (18) are arranged in the center of the power board (14), and the power board (14) is made of an aluminum substrate.

8. The motor controller according to claim 6, characterized in that the metal base plate (3) is provided with a heat dissipation boss (26), the control plate (16) is supported and fixed on the heat dissipation boss (26), and a heat conduction silicon pad (29) is arranged between the control plate (16) and the heat dissipation boss (26).

9. The motor controller according to claim 8, characterized in that a plurality of first fixing holes (9) are reserved right above the heat dissipation boss (26) on the metal base plate (3), and a gap for accommodating the power board (14) is arranged on the inner side of the heat dissipation boss (26).

10. The motor controller according to claim 8, wherein the inner surface of the metal base plate (3) is provided with a plurality of second fixing holes (10) for fixing the power board (14), the U-phase binding post (19), the V-phase binding post (20), the W-phase binding post (21) and the P-phase binding post (22).