CN221842457U - Air-cooled integrated FOC motor controller - Google Patents
Air-cooled integrated FOC motor controller Download PDFInfo
- Publication number
- CN221842457U CN221842457U CN202323422730.4U CN202323422730U CN221842457U CN 221842457 U CN221842457 U CN 221842457U CN 202323422730 U CN202323422730 U CN 202323422730U CN 221842457 U CN221842457 U CN 221842457U
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- Prior art keywords
- air
- mounting box
- foc
- motor controller
- heat
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 16
- 239000004519 grease Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses an air-cooled integrated FOC motor controller, which relates to the technical field of motor controllers and comprises a mounting box and a heat dissipation assembly, wherein a boss protrudes out of the inner wall of the mounting box. Compared with a common well cover directly covered on a well ring in the prior art, when the air-cooled integrated FOC motor controller is used, the supporting legs welded and fixed at the four corners of the bottom of the mounting box are integrally connected with the base fixed at the top of the motor body through the screws, so that the controller circuit board can conveniently transmit FOC vector control signals to the motor body through the wiring terminals, and the mounting box and the motor body are overhead, so that the temperature of a stator can only be transmitted to the mounting box through air and the supporting legs after being transmitted to the base, and the supporting legs have small sectional areas, so that the heat transmission capacity is limited, the transmission of the temperature of the motor body to the mounting box is reduced, the temperature of the mounting box is far lower than that of the base, and the reliability of the operation of the controller circuit board is facilitated.
Description
Technical Field
The utility model relates to the technical field of motor controllers, in particular to an air-cooled integrated FOC motor controller.
Background
FOC is a motor control strategy, also called vector control, and is a variable frequency driving control method for controlling a three-phase DC brushless motor by controlling the amplitude and frequency of the output voltage of a frequency converter.
The existing electric automobile motor and controller are mutually independent, and the three-phase line, the encoder line and the temperature control line of the motor are all connected with the controller through cables, so that the defects are that: the circuit is long, the line loss is large, and the electromagnetic interference is very unfavorable, so that a water-cooling integrated motor controller is designed, the temperature of an air-cooling motor shell is high, and can exceed 100 ℃ in many cases, the integrated structure can easily transfer the temperature of the motor shell to the controller, and the controller works at the temperature, so that the air-cooling integrated motor controller does not have a mature technical scheme at present, but because of cost and structural factors, many middle-low-end electric automobile requirements are all air-cooling systems, and the integrated structure is in market demand.
Accordingly, in view of the above, research and improvement have been made to solve the existing structural shortcomings, and an air-cooled integrated FOC motor controller has been proposed.
Disclosure of utility model
The utility model aims to provide an air-cooled integrated FOC motor controller so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air-cooled integration FOC motor controller, includes mounting box and radiator unit, the protrusion of mounting box inner wall has the boss, radiator unit accepts in boss inner chamber middle part, radiator unit includes heat-conducting plate, controller circuit board, fin, fan seat, blast fan and protection casing, the heat-conducting plate top has the controller circuit board through the laminating of silicone grease, and heat-conducting plate bottom integral type is fixed with the fin to form the wind channel between the adjacent fin, the heat-conducting plate bottom passes through bolt fixedly connected with fan seat, and fan seat inside rotation installs the blast fan, and blast fan-out wind gap department covers there is the protection casing.
Further, the outline dimension of the heat conducting plate is larger than the dimension of the inner cavity of the boss, and the heat conducting plate is fixed with the reserved hole of the boss through a screw.
Furthermore, the section of the installation box is of an inverted U-shaped structure with an opening at the bottom, and the bottom of the installation box is fixedly provided with supporting legs through welding at corners.
Further, the supporting legs are fixed with the machine base through screws, the machine base is fixedly arranged at the top end of the motor body, and a plurality of heat dissipation ribs are arranged on the outer circle surface of the motor body.
Further, the motor body is internally provided with a stator, and the stator is internally provided with a rotor and is supported by bearings at two ends.
Further, a wiring terminal is arranged above the front face of the installation box, and a connecting terminal electrically connected with the wire harness of the controller circuit board is arranged inside the wiring terminal.
Further, an air inlet is arranged below the front face of the installation box, and the front face of the air inlet is covered with a dustproof grid.
Furthermore, the top opening of the installation box is provided with a step groove, and the top of the step groove is fixedly provided with an access panel through screws.
Compared with the prior art, the utility model has the following beneficial effects:
1. When the utility model is used, the supporting legs welded and fixed at the corners at the bottom of the mounting box are integrally connected with the base fixed at the top of the motor body through the bolts, so that on one hand, the controller circuit board can conveniently conduct FOC vector control signals to the motor body through the wiring terminals, and on the other hand, the mounting box and the motor body are overhead, so that the temperature of the stator can only be conducted to the mounting box through air and the supporting legs after being transferred to the base, and the sectional area of the supporting legs is small, so that the heat conduction capacity is limited, the transfer of the temperature of the motor body to the mounting box is reduced, the temperature of the mounting box is far lower than the temperature of the base, and the working reliability of the controller circuit board is facilitated.
2. According to the utility model, through the arrangement of the heat dissipation assembly, the controller circuit board is adhered above the heat conduction plate through the silicone grease, and the heat conduction plate is arranged through a structure with the external dimension larger than the dimension of the boss inner cavity, so that the heat conduction plate can be supported at the middle part of the installation box in an overhead manner.
Drawings
FIG. 1 is a schematic diagram of the overall front view of the present utility model;
FIG. 2 is a schematic elevational view of the mounting box of the present utility model;
fig. 3 is a schematic front view of a heat dissipating assembly according to the present utility model.
In the figure: 1. a mounting box; 2. a support leg; 3. a base; 4. a motor body; 5. a heat dissipation rib; 6. a stator; 7. a rotor; 8. a connection terminal; 9. an air inlet; 10. a step groove; 11. an access panel; 12. a boss; 13. a heat dissipation assembly; 1301. a heat conductive plate; 1302. a controller circuit board; 1303. fins; 1304. a fan base; 1305. a blower fan; 1306. and a protective cover.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, an air-cooled integrated FOC motor controller comprises a mounting box 1 and a heat dissipation component 13, wherein a boss 12 protrudes from the inner wall of the mounting box 1, the heat dissipation component 13 is connected to the middle part of the inner cavity of the boss 12, the heat dissipation component 13 comprises a heat conducting plate 1301, a controller circuit board 1302, fins 1303, a fan seat 1304, a blower fan 1305 and a protective cover 1306, the outline dimension of the heat conducting plate 1301 is larger than the inner cavity dimension of the boss 12, the heat conducting plate 1301 is fixed with the reserved hole of the boss 12 through a screw, the top of the heat conducting plate 1301 is attached with a controller circuit board 1302 through silicone grease, the bottom of the heat conducting plate 1301 is integrally fixed with the fins 1303, an air channel is formed between adjacent fins 1303, the bottom of the heat conducting plate 1301 is fixedly connected with a fan seat 1304 through bolts, the fan seat 1304 is rotatably arranged in the fan seat 1305, and the air outlet of the fan 1305 is covered with a protective cover 1306.
As shown in fig. 1 to 2, the cross section of the installation box 1 is in an inverted U-shaped structure with an opening at the bottom, the support legs 2 are welded and fixed at the corners at the bottom of the installation box 1, the support legs 2 are fixed with the machine base 3 through screws, the machine base 3 is fixedly arranged at the top end of the motor body 4, a plurality of heat dissipation ribs 5 are arranged on the outer circle surface of the motor body 4, the support legs 2 welded and fixed at the corners at the bottom of the installation box 1 form integral connection with the machine base 3 fixed at the top of the motor body 4 through screws, on one hand, the controller circuit board 1302 is convenient for transmitting FOC vector control signals to the motor body 4 through the wiring terminals 8, on the other hand, the installation box 1 and the motor body 4 are overhead, so that the temperature of the stator 6 can only be transmitted to the installation box 1 through air and the support legs 2 after being transmitted to the machine base 3, because stabilizer blade 2 sectional area is little, therefore, the heat conduction ability is limited, the transmission of motor body 4 temperature to install bin 1 has been reduced, the temperature of install bin 1 is less than the temperature of frame 3 far away, be favorable to the reliability of controller circuit board 1302 work, motor body 4 inside is provided with stator 6, and stator 6 inside is provided with rotor 7 and is supported by both ends bearing, install bin 1 front top is provided with binding post 8, and binding post 8 the inside is provided with the connecting terminal who links with controller circuit board 1302 pencil electricity, install bin 1 front below is provided with air intake 9, and air intake 9 front cover has dustproof grid, install bin 1 top opening is provided with step groove 10, and step groove 10 top is through screw fixed mounting has access panel 11.
Working principle: when the air-cooled integrated FOC motor controller is used, the supporting legs 2 welded and fixed at the four corners of the bottom of the mounting box 1 are integrally connected with the machine base 3 fixed at the top of the motor body 4 through screws, so that on one hand, the controller circuit board 1302 is convenient to transmit FOC vector control signals to the motor body 4 through the wiring terminals 8, and on the other hand, the mounting box 1 and the motor body 4 are overhead, so that the temperature of the stator 6 can only be transmitted to the mounting box 1 through air and the supporting legs 2 after being transmitted to the machine base 3, and the sectional area of the supporting legs 2 is small, so that the heat transmission capacity is limited, the transmission of the temperature of the motor body 4 to the mounting box 1 is reduced, the temperature of the mounting box 1 is far less than the temperature of the machine base 3, the reliability of the operation of the controller circuit board 1302 is facilitated, according to the application, through the arrangement of the heat dissipation assembly 13, the controller circuit board 1302 is adhered above the heat conduction board 1301 through the silicone grease, and the heat conduction board 1301 is arranged through a structure with the external dimension larger than the dimension of the inner cavity of the boss 12, so that the heat conduction board can be supported at the middle part of the installation box 1 in an overhead manner, when the heat dissipation device is used, the temperature of the controller circuit board 1302 is conducted to the fins 1303 through the heat conduction board 1301 to exchange heat, and further, the blower fan 1305 is additionally arranged below the heat conduction board 1301, so that on one hand, the surface temperature of the fins 1303 can be quickly taken away to realize heat exchange, and on the other hand, the heat dissipation of hot air between the installation box 1 and the machine base 3 is accelerated, and further, the heat isolation between the installation box 1 and the motor body 4 is realized.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. Air-cooled integration FOC motor controller, a serial communication port, including mounting box (1) and radiator unit (13), mounting box (1) inner wall protrusion has boss (12), radiator unit (13) accept in boss (12) inner chamber middle part, radiator unit (13) include heat-conducting plate (1301), controller circuit board (1302), fin (1303), fan seat (1304), blast fan (1305) and protection casing (1306), there is controller circuit board (1302) at heat-conducting plate (1301) top through the laminating of silicone grease, and heat-conducting plate (1301) bottom is fixed with fin (1303) in an organic whole to form the wind channel between adjacent fin (1303), heat-conducting plate (1301) bottom is through bolt fixedly connected with fan seat (1304), and fan seat (1304) inside rotation installs blast fan (1305) to blast fan (1305) air outlet department covers and has protection casing (1306).
2. The air-cooled integrated FOC motor controller of claim 1, wherein the external dimension of the heat conducting plate (1301) is larger than the internal dimension of the boss (12), and the heat conducting plate (1301) is fixed with the reserved hole of the boss (12) by a screw.
3. The air-cooled integrated FOC motor controller according to claim 1, wherein the cross section of the installation box (1) is of an inverted U-shaped structure with an opening at the bottom, and the support legs (2) are welded and fixed at four corners of the bottom of the installation box (1).
4. An air-cooled integrated FOC motor controller according to claim 3, characterized in that the support legs (2) are fixed with the base (3) by screws, the base (3) is fixedly arranged at the top end of the motor body (4), and a plurality of heat dissipation ribs (5) are arranged on the outer circle surface of the motor body (4).
5. An air-cooled integrated FOC motor controller according to claim 4, characterized in that the motor body (4) is internally provided with a stator (6), and the stator (6) is internally provided with a rotor (7) and supported by bearings at both ends.
6. The air-cooled integrated FOC motor controller of claim 1, wherein a wiring terminal (8) is arranged above the front surface of the mounting box (1), and a connection terminal electrically connected with a wire harness of the controller circuit board (1302) is arranged inside the wiring terminal (8).
7. The air-cooled integrated FOC motor controller of claim 1, wherein an air inlet (9) is provided below the front face of the mounting box (1), and the front face of the air inlet (9) is covered with a dust-proof grille.
8. The air-cooled integrated FOC motor controller according to claim 1, wherein a step groove (10) is formed in the top opening of the mounting box (1), and an access panel (11) is fixedly mounted on the top of the step groove (10) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323422730.4U CN221842457U (en) | 2023-12-15 | 2023-12-15 | Air-cooled integrated FOC motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323422730.4U CN221842457U (en) | 2023-12-15 | 2023-12-15 | Air-cooled integrated FOC motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221842457U true CN221842457U (en) | 2024-10-15 |
Family
ID=92997507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323422730.4U Active CN221842457U (en) | 2023-12-15 | 2023-12-15 | Air-cooled integrated FOC motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221842457U (en) |
-
2023
- 2023-12-15 CN CN202323422730.4U patent/CN221842457U/en active Active
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