CN211183691U - Three-in-one motor control device integrating speed reducer, motor and controller - Google Patents
Three-in-one motor control device integrating speed reducer, motor and controller Download PDFInfo
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- CN211183691U CN211183691U CN201922256342.0U CN201922256342U CN211183691U CN 211183691 U CN211183691 U CN 211183691U CN 201922256342 U CN201922256342 U CN 201922256342U CN 211183691 U CN211183691 U CN 211183691U
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Abstract
The utility model relates to an integrated reduction gear, trinity motor control device of motor and controller, the reduction gear is fixed in a side of motor, the controller includes the casing, IGBT, film capacitor, PCBA-circuit board, three-phase output copper bar, the current sensor subassembly, the magnetic ring subassembly, high-voltage bus connector, high-pressure separated time connector and signal connector, the casing includes the box of case lid and platykurtic, and be fixed in the top of motor, high-voltage bus connector, high-pressure separated time connector, signal connector all is fixed in on the same lateral wall of box, IGBT, film capacitor, PCBA-circuit board, three-phase output copper bar, the current sensor subassembly, the magnetic ring subassembly all is fixed in on the bottom plate in the box, and distribute between four evacuation inside the presenting of casing. Compared with the prior art, the utility model discloses make the overall structure of device present the platyzization, power density is high, can enough save the car inner space, also can reduce the whole focus of device, improves the stability of its during operation.
Description
Technical Field
The utility model relates to a machine controller especially relates to a trinity machine control device of integrated reduction gear, motor and controller.
Background
Traditional new energy automobile's reduction gear, motor, controller distributed arrangement, space utilization is low to the pencil of controller and motor is crisscross each other, has brought very big difficulty for the assembly, and outside pencil is worn and torn with other parts easily, has the risk of high-pressure electric leakage. Along with the improvement of living standard of people, higher and higher requirements are provided for space utilization rate, the integration of a speed reducer, a motor and a controller becomes a research hotspot, and the problems of heat dissipation, electrical connection and power connection need to be solved in the integrated design. Although some existing three-in-one motor control devices realize integration, the following problems still exist: 1. the internal structure of the controller is unreasonable in arrangement, so that the space layout is not compact and the power density is low; 2. the integrated device has the advantages that the longitudinal height of the whole volume is too large, on one hand, the integrated device occupies too much space of the whole vehicle, on the other hand, the gravity center is higher, and hidden troubles exist in the aspect of vibration.
SUMMERY OF THE UTILITY MODEL
The objective of the present invention is to provide a three-in-one motor control device integrating a speed reducer, a motor and a controller, which overcomes the drawbacks of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a trinity motor control device of integrated reduction gear, motor and controller, includes reduction gear, motor and controller, the reduction gear be fixed in a side of motor to carry out power connection through transmission shaft and motor, the controller include casing, IGBT (insulated gate bipolar transistor), film capacitor, PCBA-circuit board, three-phase output copper bar, current sensor subassembly, magnetic ring subassembly, high-voltage bus connector, high-pressure separated time connector and signal connector, the casing include case lid and flat box to be fixed in the top of motor, high-voltage bus connector, high-pressure separated time connector, signal connector all be fixed in on the same lateral wall of box, IGBT, film capacitor, PCBA-circuit board, three-phase output copper bar, current sensor subassembly, magnetic ring subassembly all be fixed in on the bottom plate in the box, and the interior of the shell is distributed among four evacuation spaces, the first row of space comprises a magnetic ring assembly, the magnetic ring assembly is connected with a high-voltage bus connector, the second evacuation space comprises a thin film capacitor, one end of the thin film capacitor is connected with a high-voltage branching connector, the other end of the thin film capacitor is connected with the input end of an IGBT, the third evacuation space comprises an IGBT and a PCBA-circuit board, a water channel is arranged between the IGBT and a bottom plate, the PCBA-circuit board covers above the IGBT, the water outlet of the water channel is connected with the water inlet of a motor, the fourth evacuation space comprises a three-phase output copper bar and a current sensor, one end of the three-phase output copper bar is electrically connected with the output end of.
Furthermore, the IGBTs are fixed on the bottom plate of the box body in a mode that a plurality of the IGBTs are arranged in parallel, a limiting column is arranged between every two adjacent IGBTs, the IGBTs are flat, signal pins of the flat type IGBT are in an L-shaped bending state, and the signal pins are arranged in a staggered mode on two sides.
Furthermore, the output copper bar and the input copper bar of the thin-film capacitor are respectively positioned on two sides of the thin-film capacitor, the input copper bar of the thin-film capacitor is in an L shape, and the output copper bar of the thin-film capacitor is electrically connected with the input end of the IGBT.
Further, the PCBA-circuit board integrates the PCBA-drive board and the PCBA-control board and is electrically connected with the IGBT.
Further, the current sensor assembly comprises a current sensor and a three-phase bracket, wherein the current sensor integrates a U-phase current sensor, a V-phase current sensor and a W-phase current sensor into a whole so as to be horizontally fixed on the three-phase bracket.
Further, the three-phase output copper bar comprises a U-phase copper bar, a V-phase copper bar and a W-phase copper bar, and the three-phase output copper bar penetrates through an induction ring of the current sensor to be electrically connected with the output end of the IGBT.
Furthermore, the magnetic ring component comprises a magnetic ring, a magnetic ring support, a microswitch support, a fuse and a bus support, wherein the magnetic ring is embedded in the magnetic ring support in a waist track shape, the fuse is installed at one end of the magnetic ring support, the bus support is installed at the other end of the magnetic ring support, the microswitch is installed on the bus support through the microswitch support, the upper end of the microswitch support is in a D shape, and the microswitch is located in the middle of the D shape.
Furthermore, the whole vehicle high-voltage wiring harness penetrates through the magnetic ring through the high-voltage bus connector and is electrically connected with the input copper bar of the thin-film capacitor, and the high-voltage wiring harness can be shunted through the high-voltage branching connector.
Furthermore, the upper surface of the box cover is provided with pattern blocks which are distributed in a rectangular and triangular mode at intervals.
Furthermore, Pin-Fin radiating fins are arranged in the water channel.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model discloses an optimization to the controller structure makes the overall structure of device present the flattening, and compact structure, power density are high, can enough save the car inner space, also can reduce the whole focus of device, improve the stability of its during operation.
2. The IGBTs are arranged in parallel in a multi-block mode, the height of the controller is reduced, the PCBA-circuit board can be arranged above the IGBTs, and the space structure is further saved. The limiting columns have good fixing effect on the IGBTs in multiple blocks. Meanwhile, IGBT signal pins are arranged in a staggered mode on two sides, and electric gaps are increased.
3. The output copper bar and the input copper bar of the thin-film capacitor are distributed on two surfaces of the thin-film capacitor, so that the copper bars are saved, and the internal structure is optimized.
4. The PCBA-circuit board integrates the PCBA-drive board and the PCBA-control board, thereby eliminating the shielding plate required by the traditional structure and improving the space utilization rate.
5. The current sensor integrates the U-phase current sensor, the V-phase current sensor and the W-phase current sensor, the cost is reduced, meanwhile, the compactness of the whole structure is improved, and the current sensor is fixed on the three-phase support in a horizontal mode, so that the space utilization rate is further increased.
6. The upper end of the micro switch bracket is of a D-shaped structure, so that collision to the micro switch in the assembling process is avoided, and the effect of protecting the micro switch is achieved.
7. The high-voltage bus connector, the high-voltage branching connector and the signal connector are all fixed on the same side of the shell, so that the outgoing line is compact, and the whole vehicle assembly and layout are facilitated.
8. A water channel is arranged below the IGBT, so that the internal space is saved, and a Pin-Fin radiating Fin is arranged in the water channel, so that the functions of turbulence and flow guiding are achieved, and the radiating effect is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded schematic view of the present invention;
FIG. 3 is a schematic structural view of a current sensor assembly;
FIG. 4 is a schematic structural view of a magnet ring assembly;
FIG. 5 is a schematic structural diagram of a thin film capacitor;
FIG. 6 is a schematic structural view of a microswitch bracket;
reference numerals: 1. the speed reducer, 2, the motor, 3, the controller, 31, the box, 32, the case lid, 33, the IGBT, 34, film capacitor, 35, PCBA circuit board, 36, three-phase output copper bar, 37, the current sensor subassembly, 38, magnetic ring subassembly, 39, high-voltage bus connector, 310, high-voltage separated time connector, 311, signal connector, 331, spacing post, 371, current sensor, 372, the three-phase support, 381, the magnetic ring, 382, the magnetic ring support, 383, the micro-gap switch, 384, the micro-gap switch support, 385, the fuse, 386, the bus bar support.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the technical solution and the premise of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 to 6, the present embodiment provides a three-in-one motor control device integrating a decelerator, a motor and a controller, which is composed of a decelerator 1, a motor 2 and a controller 3. The speed reducer 1 is fixed at the left end of the motor 2 and is in power connection with the motor 2 through a transmission shaft; the controller 3 is fixed above the motor 2.
The controller 3 comprises a shell, an IGBT33, a film capacitor 34, a PCBA-circuit board 35, a three-phase output copper bar 36, a current sensor assembly 37, a magnetic ring assembly 38, a high-voltage bus connector 39, a high-voltage branching connector 310 and a signal connector 311.
The housing includes a case cover 32 and a flat case 31, and is fixed above the motor 2. The high-voltage bus connector 39, the high-voltage branching connector 310 and the signal connector 311 are all fixed on the same side wall of the box body 31; the IGBT33, the film capacitor 34, the PCBA-circuit board 35, the three-phase output copper bar 36, the current sensor assembly 37 and the magnetic ring assembly 38 are all fixed on a bottom plate in the box body 31, and are distributed in four emptying spaces inside the shell:
the first row of spaces, closest to the speed reducer, comprises a magnetic ring assembly 38, which magnetic ring assembly 38 is connected to a high voltage bus connector 39. The concrete structure is as follows: the magnetic ring assembly 38 comprises a magnetic ring 381, a magnetic ring support 382, a micro switch 383, a micro switch support 384, a fuse 385 and a bus bar support 386. The magnetic ring 381 is embedded in the magnetic ring support 382 in a kidney-shaped runway shape, the fuse 385 is installed at one end of the magnetic ring support 382 to play a role of overcurrent protection, and the bus support 386 is installed at the other end of the magnetic ring support 382. The micro switch 383 is mounted on the bus support 386 through a micro switch support 384, the upper end of the micro switch support 384 is D-shaped, and the micro switch 383 is located in the middle of the D-shaped. The whole high-voltage wiring harness penetrates through the magnetic ring 381 through the high-voltage bus connector 39 and is electrically connected with the input copper bar of the film capacitor 34, and the high-voltage wiring harness can be shunted through the high-voltage branching connector 310.
The second emptying room comprises a thin film capacitor 34, one end of the thin film capacitor 34 is connected with the high-voltage branching connector 310, the other end of the thin film capacitor is connected with the input end of the IGBT33, an output copper bar and an input copper bar of the thin film capacitor 34 are respectively positioned at two sides of the thin film capacitor 34, the input copper bar of the thin film capacitor 34 is in a L shape, and the output copper bar of the thin film capacitor 34 is electrically connected with the input end of the IGBT 33.
The third emptying room comprises an IGBT33 and a PCBA-circuit board 35, a water channel is arranged between the IGBT33 and the bottom plate, the PCBA-circuit board 35 covers the IGBT33, and a water outlet of the water channel is connected with a water inlet of the motor 2. And a Pin-Fin radiating Fin is also arranged in the water channel to play roles of turbulent flow and flow guiding and radiate the IGBT33, then the cooling liquid in the controller 3 flows into the motor 2 after passing through the controller 3, and the heat generated by the motor 2 is taken away, so that the whole radiating loop is formed.
The IGBTs 33 are fixed on the bottom plate of the box body 31 in a mode that a plurality of blocks (3 blocks in the embodiment) are arranged in parallel, a limiting column 331 is arranged between every two adjacent IGBTs 33, the IGBTs 33 are flat, signal pins are in a bending state of L and are arranged in a staggered mode on two sides, the PCBA-circuit board 35 integrates the PCBA-driving board and the PCBA-control board, and the signal pins of the IGBTs 33 penetrate through holes of the PCBA-circuit board 35 and are electrically connected through soldering.
The fourth emptying room comprises a three-phase output copper bar 36 and a current sensor 371. One end of the three-phase output copper bar 36 is electrically connected with the output end of the IGBT33, and the other end of the three-phase output copper bar is electrically connected with the motor 2. The current sensor assembly 37 includes a current sensor 371 and a three-phase support 372. The current sensor 371 integrates the U-phase current sensor, the V-phase current sensor, and the W-phase current sensor to be horizontally fixed to the three-phase bracket 372. Three-phase output copper bar 36 includes U looks copper bar, V looks copper bar and W looks copper bar, three-phase output copper bar 36 passes current sensor 371's induction ring and carries out electrical connection with IGBT33 output.
The upper surface of case lid 32 is equipped with the pattern block of rectangle and triangle-shaped alternate distribution, when playing pleasing to the eye effect, is used for increasing the surface area of case lid 32, helps controller 3's whole heat dissipation.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a trinity motor control device of integrated reduction gear, motor and controller, includes reduction gear (1), motor (2) and controller (3), its characterized in that, reduction gear (1) be fixed in a side of motor (2) to carry out power connection through transmission shaft and motor (2), controller (3) including casing, IGBT (33), film capacitor (34), PCBA-circuit board (35), three-phase output copper bar (36), current sensor subassembly (37), magnetic ring subassembly (38), high-pressure bus connector (39), high-pressure separated time connector (310) and signal connector (311), the casing include case lid (32) and flat box (31) to be fixed in the top of motor (2), high-pressure bus connector (39), high-pressure separated time connector (310), The signal connectors (311) are all fixed on the same side wall of the box body (31), the IGBT (33), the thin film capacitor (34), the PCBA-circuit board (35), the three-phase output copper bar (36), the current sensor assembly (37) and the magnetic ring assembly (38) are all fixed on a bottom plate in the box body (31), the four emptying spaces are distributed inside the shell, the first emptying space comprises the magnetic ring assembly (38), the magnetic ring assembly (38) is connected with a high-voltage bus connector (39), the second emptying space comprises the thin film capacitor (34), one end of the thin film capacitor (34) is connected with a high-voltage branching connector (310), the other end of the thin film capacitor is connected with the input end of the IGBT (33), the third emptying space comprises the IGBT (33) and the PCBA-circuit board (35), a water channel is arranged between the IGBT (33) and the bottom plate, and the PCBA-circuit board (35) covers above the IGBT (, the water outlet of the water channel is connected with the water inlet of the motor (2), the fourth evacuation chamber comprises a three-phase output copper bar (36) and a current sensor (371), one end of the three-phase output copper bar (36) is electrically connected with the output end of the IGBT (33), and the other end of the three-phase output copper bar is electrically connected with the motor (2).
2. The three-in-one motor control device integrating the speed reducer, the motor and the controller as claimed in claim 1, wherein the IGBTs (33) are fixed on the bottom plate of the box body (31) in a plurality of parallel arrangements, and a spacing column (331) is arranged between two adjacent IGBTs (33), the IGBTs (33) are flat, the signal pins of the IGBTs are in a L-shaped bending state, and the signal pins are arranged in a staggered arrangement on two sides.
3. The three-in-one motor control device integrating the speed reducer, the motor and the controller as claimed in claim 1, wherein the output copper bar and the input copper bar of the thin film capacitor (34) are respectively located at two sides of the thin film capacitor (34), the input copper bar of the thin film capacitor (34) is "L", and the output copper bar of the thin film capacitor (34) is electrically connected with the input end of the IGBT (33).
4. The three-in-one motor control device integrating a decelerator, a motor and a controller as set forth in claim 1, wherein the PCBA-circuit board (35) integrates a PCBA-driving board, a PCBA-control board, and is electrically connected with the IGBT (33).
5. The three-in-one motor control device integrating a decelerator, a motor and a controller as claimed in claim 1, wherein the current sensor assembly (37) includes a current sensor (371) and a three-phase bracket (372), and the current sensor (371) integrates a U-phase current sensor, a V-phase current sensor and a W-phase current sensor to be horizontally fixed to the three-phase bracket (372).
6. The three-in-one motor control device integrating the speed reducer, the motor and the controller as claimed in claim 5, wherein the three-phase output copper bar (36) comprises a U-phase copper bar, a V-phase copper bar and a W-phase copper bar, and the three-phase output copper bar (36) passes through the induction ring of the current sensor (371) to be electrically connected with the output end of the IGBT (33).
7. The three-in-one motor control device integrating the speed reducer, the motor and the controller as claimed in claim 1, wherein the magnet ring assembly (38) comprises a magnet ring (381), a magnet ring support (382), a microswitch (383), a microswitch support (384), a fuse (385) and a bus bar support (386), the magnet ring (381) is embedded in the magnet ring support (382) in a kidney-shaped runway shape, the fuse (385) is installed at one end of the magnet ring support (382), the bus bar support (386) is installed at the other end of the magnet ring support (382), the microswitch (383) is installed on the bus bar support (386) through the microswitch support (384), the upper end of the microswitch support (384) is in a "D" shape, and the microswitch (383) is located in the middle of the "D" shape.
8. The three-in-one motor control device integrating a speed reducer, a motor and a controller as claimed in claim 7, wherein the whole vehicle high-voltage wiring harness passes through the magnetic ring (381) through the high-voltage bus bar connector (39) and is electrically connected with the input copper bar of the thin film capacitor (34), and can be shunted through the high-voltage branching connector (310).
9. The three-in-one motor control device integrating a decelerator, a motor and a controller as claimed in claim 1, wherein the upper surface of the cover (32) is provided with blocks of rectangular and triangular shapes alternately distributed.
10. The three-in-one motor control device integrating a decelerator, a motor and a controller as claimed in claim 1, wherein a Pin-Fin heat sink is provided in the water passage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922256342.0U CN211183691U (en) | 2019-12-16 | 2019-12-16 | Three-in-one motor control device integrating speed reducer, motor and controller |
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| CN201922256342.0U CN211183691U (en) | 2019-12-16 | 2019-12-16 | Three-in-one motor control device integrating speed reducer, motor and controller |
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| CN211183691U true CN211183691U (en) | 2020-08-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112953125A (en) * | 2021-02-04 | 2021-06-11 | 哈尔滨东安汽车发动机制造有限公司 | Dual-motor controller assembly for oil-cooled dual-motor hybrid special transmission oil-cooled motor |
| CN114126264A (en) * | 2020-08-28 | 2022-03-01 | 比亚迪股份有限公司 | Motor controller and electric assembly |
-
2019
- 2019-12-16 CN CN201922256342.0U patent/CN211183691U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114126264A (en) * | 2020-08-28 | 2022-03-01 | 比亚迪股份有限公司 | Motor controller and electric assembly |
| CN114126264B (en) * | 2020-08-28 | 2023-02-10 | 比亚迪股份有限公司 | Motor controller and electric assembly |
| CN112953125A (en) * | 2021-02-04 | 2021-06-11 | 哈尔滨东安汽车发动机制造有限公司 | Dual-motor controller assembly for oil-cooled dual-motor hybrid special transmission oil-cooled motor |
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