CN220510929U - Fully-integrated brushless micro-motor actuator for automobile - Google Patents
Fully-integrated brushless micro-motor actuator for automobile Download PDFInfo
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- CN220510929U CN220510929U CN202322012920.2U CN202322012920U CN220510929U CN 220510929 U CN220510929 U CN 220510929U CN 202322012920 U CN202322012920 U CN 202322012920U CN 220510929 U CN220510929 U CN 220510929U
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- assembly
- brushless
- brushless motor
- reduction gearbox
- circuit board
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- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a fully-integrated brushless micro-motor actuator for an automobile, and the application scene of the brushless micro-motor actuator comprises but is not limited to: window adjustment, sunroof adjustment, seat adjustment, etc. The brushless micro-motor actuator comprises a brushless motor component, a reduction gearbox component and a controller module which are integrally assembled together; the rotor of the brushless motor assembly is in transmission connection with the input end of the reduction gearbox assembly, and the output end of the reduction gearbox assembly is in transmission connection with the motion assembly of the electric adjusting mechanism; the controller module comprises a control circuit board and a connector, wherein a PIN pinhole connected with a PIN needle on a stator winding of the brushless motor assembly is arranged on the control circuit board, one end of the connector is connected with a PIN foot hole on the control circuit board, and the other end of the connector is spliced with a car window control signal wire. The utility model integrates the brushless motor, the controller module and the reduction gear box together, and can achieve the purposes of reducing motor noise, reducing size and improving EMC electromagnetic compatibility level.
Description
Technical Field
The utility model relates to application of electric adjustment of an automobile, such as lifting of an automobile window, opening and closing of a skylight and the like, in particular to a fully-integrated brushless micro-motor actuator for the automobile.
Background
In general, opening and closing movements of windows and sunroofs of an automobile are driven by a driving mechanism. The driving mechanism generally comprises a shell, a motor and a reduction transmission assembly, wherein the motor and the reduction transmission assembly are arranged in the shell, and when the motor operates, the motor drives the vehicle window to open or close through the transmission assembly.
There is intelligent integrated scheme with direct current brush motor, ECU and gear box integration together on the market, but there is brush motor intelligent integrated scheme because the existence of carbon brush commutator, its noise is big, and EMC electromagnetic compatibility performance is poor, and the size is big, has more and more satisfied the demand of car.
In automotive micro-motor actuator applications, there is currently no intelligent integration scheme on the market that integrates a BLDC brushless motor, an ECU and a gear box together. Some motors with larger diameters have larger internal space to integrate the ECU, and for some brushless motors with smaller diameters (20 mm-40 mm), because the internal structural space is smaller, the ECU controller cannot be integrated, thus an independent control box is generally adopted, and the motor is controlled to work through connection of a wire harness and the motor, so that the mechanism space is increased, meanwhile, the assembly is more complicated, the price cost is increased, and meanwhile, the risk point of the problem is increased.
Disclosure of Invention
The micro motor actuator used on the automobile has higher and higher requirements on noise and EMC, and smaller size requirements, and the current brush motor technology has been developed to a bottleneck period, so that the requirements on noise, EMC and size of the automobile are not met. In order to meet the future development trend of automobiles, the application provides a novel structure integrating a brushless motor, integrated control and a reduction gear box together, and the specific scheme is as follows:
a fully integrated brushless micro-motor actuator for an automobile comprises a brushless motor assembly, a reduction gearbox assembly and a controller module which are integrally assembled together;
the rotor of brushless motor subassembly with the input transmission of reducing gear box subassembly is connected, the output of reducing gear box subassembly is connected with the motion subassembly transmission of car electric control mechanism, the power cord and the control signal line connection of controller module and whole car.
Further, the controller module comprises a control circuit board and a connector, wherein a PIN PIN hole connected with a stator winding of the brushless motor assembly is formed in the control circuit board, the control circuit board further comprises a PIN PIN hole connected with a PIN PIN at one end of the connector, and the other end of the connector is connected with a power line and a control signal line of the whole vehicle.
Further, the controller module further comprises a connector housing and a cover plate, the control circuit board is mounted inside the connector housing and the cover plate which are connected in a buckled mode, and the connector is integrally mounted on the connector housing.
Further, the rotor of the brushless motor assembly penetrates through the through hole at one end of the control circuit board to be in transmission connection with the input gear of the reduction gearbox assembly, and the three-phase stator winding of the brushless motor assembly is in PIN pinhole welding connection with the control circuit board.
Further, the brushless motor component shell is connected with the reduction gearbox component shell through buckling, riveting or threaded assembly, and the brushless motor component, the reduction gearbox component and the controller module are integrally arranged in the brushless motor component shell and the reduction gearbox component shell which are clamped.
Further, the connector housing and the cover plate are respectively provided with a first positioning column and a second positioning column, and the brushless motor assembly housing is provided with a first positioning groove and a second positioning groove which are matched with the first positioning column and the second positioning column respectively;
the connector shell is provided with a third positioning column, and the control circuit board is provided with a third positioning hole matched with the third positioning column;
the brushless motor component shell and the reduction gearbox component shell are connected through positioning buckle assembly.
Further, a notch for embedding and mounting the connector housing and the cover plate is formed in one end, close to the reduction gearbox assembly, of the brushless motor assembly housing.
Further, the connector housing is provided with an extension portion extending radially outwards along the opening, and the capacitor of the control circuit board is arranged in the cavity of the extension portion.
The utility model has the advantages that:
1) The control circuit board is integrated in the brushless motor, and the built-in control module is connected with the stator winding through PIN; the connector connected with the control circuit board receives control signals through the LIN bus or the physical switch, so that the functions of preventing clamping of the actuator switch of the motor and the like are realized.
2) In order to provide enough area for arranging a lower control circuit board (PCBA), a cavity is added by grooving the side surface of the motor shell and extending the connector shell outwards to the outside of the brushless motor assembly shell, so that the cavity is used for accommodating components such as capacitors, connector plugs and the like which are necessary for the brushless motor circuit board, and the structure is novel and the size is more compact.
3) Adopt brushless motor, can reach the purpose that reduces the motor noise, reduce the size and provide EMC level.
4) The integration degree is high, and meanwhile, the installation is simplified.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a fully integrated brushless micro motor actuator for an automobile according to the present utility model;
FIG. 2 is an internal construction view of FIG. 1;
FIG. 3 is an exploded view of the structure based on FIG. 1;
FIG. 4 is a schematic illustration of brushless motor assemblies and controller modules integrally assembled together;
FIG. 5 is a schematic view of a brushless motor housing having a notch at one end;
FIG. 6 is a schematic diagram of the controller module assembled with the brushless motor housing;
FIG. 7 is a schematic diagram of the mating of a connector housing with a control circuit board, wherein the connector housing is provided with an extension extending radially to the periphery of the axial region of the brushless motor housing;
FIG. 8 is a schematic diagram of the brushless motor assembly and the connector housing mated with the control circuit board;
FIG. 9 is a schematic diagram of a brushless micro-motor actuator employing a worm-and-gear connection between a brushless motor assembly and a reduction gearbox assembly in one embodiment;
FIG. 10 is a schematic diagram of a brushless micro-motor actuator employing planetary gear connections between a brushless motor assembly and a reduction gearbox assembly in one embodiment;
FIG. 11 is a schematic diagram of a brushless micro-motor actuator employing a tooth-to-tooth connection between a brushless motor assembly and a reduction gearbox assembly, in one embodiment.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
In order to provide a thorough understanding of the present utility model, detailed steps and detailed structures will be presented in the following description in order to explain the technical solution of the present utility model. Preferred embodiments of the present utility model are described in detail below, however, the present utility model may have other embodiments in addition to these detailed descriptions.
Referring to fig. 1, the present utility model provides a fully integrated brushless micro-motor actuator for an automobile, and the application scenario of the brushless micro-motor actuator includes, but is not limited to: window adjustment, sunroof adjustment, seat adjustment, etc. The brushless micro-motor actuator mainly comprises a brushless motor assembly 10, a reduction gearbox assembly 20 and a controller module 30 which are integrally assembled together.
The rotor 12 of the brushless motor assembly 10 is in transmission connection with an input gear of the reduction gearbox assembly 20, and an output end of the reduction gearbox assembly 20 is used for controlling an automobile electric adjusting mechanism, for example, window lifting, skylight opening and closing, seat adjusting and the like can be controlled. The controller module 30 includes a control circuit board 31 and a connector 32, a PIN hole 33 connected with a stator winding of the brushless motor assembly 10 is arranged on the control circuit board 31, one end of the connector 32 is connected with a control PIN hole 35 on the control circuit board 31, and the other end is connected with a LIN bus or an entity switch.
The controller module 30 further comprises a connector housing 36 and a cover plate 37, the control circuit board 31 is mounted inside the connector housing 36 and the cover plate 37 which are connected in a snap-fit manner, and the connector 32 is integrally mounted on the connector housing 36. The brushless motor assembly housing 11 and the reduction gearbox assembly housing 21 are connected by means of fastening, riveting or screw thread assembly, and the brushless motor assembly 10, the reduction gearbox assembly 20 and the controller module 30 are integrally installed in the fastened brushless motor assembly housing 11 and the reduction gearbox assembly housing 21.
The control circuit board 31 of the present utility model is in the shape of a key extending transversely to increase the area of the control circuit board 31 to accommodate more electronic components, as shown in fig. 4, the rotor 12 of the brushless motor assembly 10 passes through a through hole at one end of the control circuit board 31 to be connected with the input gear in a driving manner, and PIN needles on the U-V-W three-phase windings of the brushless motor assembly 10 are welded with PIN pinholes 33 on the control circuit board 31.
As shown in fig. 5, a notch 11-3 for embedding and mounting a connector housing 36 and a cover plate 37 is formed at one end of the brushless motor housing 11 near the reduction gearbox assembly 20, the connector housing 36 is provided with an extension portion 36-2 extending radially outwards along the notch 11-3, and the capacitor 31-2 of the control circuit board 31 is arranged in the cavity 36-4 of the extension portion 36-2. In order to make the brushless motor work stably and improve the motor efficiency, one to three capacitors with larger volumes need to be mounted on a circuit board of the brushless motor, and no large space is reserved in a motor shell of the existing design for placing the capacitors, so that the function requirement is met by adopting the mode of externally hanging another circuit board, and the occupied space of the assembly is increased. The connector housing 36 is extended outwards to the outside of the brushless motor assembly housing 11 to be added with the cavity 36-4, so that components such as a capacitor and a connector plug of a brushless motor circuit board are accommodated, and therefore the capacitor is not required to be loaded by the externally hung circuit board.
In an alternative embodiment, a positioning mechanism for assembly is provided between the brushless motor assembly 10, the reduction gearbox assembly 20 and the controller module 30, and the positioning mechanism is as follows:
1) The connector housing 36 and the cover plate 37 are respectively provided with a first positioning column 36-1 and a second positioning column 37-1, and the brushless motor component housing 11 is provided with a first positioning groove 11-1 and a second positioning groove 11-2 which are matched with the first positioning column 36-1 and the second positioning column 37-1 respectively, so that accurate positioning among the connector housing 36, the cover plate 37 and the brushless motor component housing 11 is realized.
2) The connector housing 36 is provided with a third positioning column 36-3, and the control circuit board 31 is provided with a third positioning hole 31-3 matched with the third positioning column 36-3, thereby realizing accurate positioning between the connector housing 36 and the control circuit board 31.
3) The brushless motor assembly housing 11 and the reduction gearbox assembly housing 21 are connected through positioning and buckling assembly, so that accurate positioning and connection between the brushless motor assembly housing 11 and the reduction gearbox assembly housing 21 are achieved.
The reduction gearbox assembly 20 of the present utility model may take a variety of forms including, but not limited to: 1) The gear box body of the worm gear and worm structure shown in fig. 9, a worm gear meshed with the rotor 12 is arranged in the reduction box assembly shell 21; 2) The gear box body of the planetary gear structure shown in fig. 10, a planetary gear in driving connection with the rotor 12 is arranged in the reduction box assembly shell 21; 3) In the gear case of the counter gear structure shown in fig. 11, a plurality of engaged gears are provided in the gear case assembly housing 21, a main gear is connected to the rotor 12, and a slave gear is in driving connection with the motion assembly of the electric adjusting mechanism.
The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or modifications to equivalent embodiments without departing from the scope of the technical solution of the present utility model, using the methods and technical contents disclosed above, without affecting the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (9)
1. A fully integrated brushless micro-motor actuator for an automobile, which is characterized by comprising a brushless motor assembly (10), a reduction gearbox assembly (20) and a controller module (30) which are integrally assembled together;
the rotor (12) of the brushless motor assembly (10) is in transmission connection with the input end of the reduction gearbox assembly (20), and the output end of the reduction gearbox assembly (20) is in transmission connection with the motion assembly of the automobile electric adjusting mechanism; the controller module (30) is connected with a power line and a control signal line of the whole vehicle.
2. The fully integrated brushless micro motor actuator according to claim 1, wherein the controller module (30) comprises a control circuit board (31) and a connector (32), a PIN hole (33) connected with a PIN on a stator winding of the brushless motor assembly (10) is arranged on the control circuit board (31), a PIN hole (35) connected with the PIN on one end of the connector (32) is further arranged on the control circuit board (31), and the other end of the connector (32) is connected with a power line and a control signal line of the whole automobile.
3. The fully integrated brushless micro-motor actuator according to claim 2, wherein the brushless motor assembly housing (11) and the reduction gearbox assembly housing (21) are connected through buckling, riveting or screw thread assembly, and the brushless motor assembly (10), the reduction gearbox assembly (20) and the controller module (30) are integrally installed in the buckled brushless motor assembly housing (11) and the reduction gearbox assembly housing (21).
4. The fully integrated brushless micro-machine actuator of claim 2, wherein the controller module (30) further comprises a connector housing (36) and a cover plate (37), the control circuit board (31) is mounted inside the connector housing (36) and the cover plate (37) in a snap-fit connection, and the connector (32) is integrally mounted on the connector housing (36).
5. The fully integrated brushless micro motor actuator of claim 4, wherein a rotor (12) of the brushless motor assembly (10) is connected with an input gear of the reduction gearbox assembly (20) through a through hole at one end of the control circuit board (31), and a three-phase stator winding of the brushless motor assembly (10) is welded with a PIN pinhole (33) on the control circuit board (31).
6. The fully integrated brushless micro-motor actuator of claim 4, wherein the brushless motor assembly housing (11) and the reduction gearbox assembly housing (21) are connected by snap fit, riveting or screw fitting, and the connector housing (36) and the cover plate (37) which are snap fit together are clamped and fixed between the brushless motor assembly housing (11) and the reduction gearbox assembly housing (21).
7. The fully integrated brushless micro motor actuator according to claim 6, wherein the connector housing (36) and the cover plate (37) are respectively provided with a first positioning column (36-1) and a second positioning column (37-1), and the brushless motor assembly housing (11) is provided with a first positioning groove (11-1) and a second positioning groove (11-2) which are matched with the first positioning column (36-1) and the second positioning column (37-1);
the connector shell (36) is provided with a third positioning column (36-3), and the control circuit board (31) is provided with a third positioning hole (31-3) matched with the third positioning column (36-3);
the brushless motor assembly shell (11) is connected with the reduction gearbox assembly shell (21) through positioning and buckling assembly.
8. The fully integrated brushless micro-motor actuator of claim 6, wherein a gap (11-3) for inserting and mounting the connector housing (36) and the cover plate (37) is formed at one end of the brushless motor assembly housing (11) close to the reduction gearbox assembly (20).
9. The fully integrated brushless micro-motor actuator of claim 8, wherein the connector housing (36) is provided with an extension (36-2) extending radially outwardly of the gap (11-3), the capacitor (31-2) of the control circuit board (31) being disposed within the cavity (36-4) of the extension (36-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322012920.2U CN220510929U (en) | 2023-07-27 | 2023-07-27 | Fully-integrated brushless micro-motor actuator for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322012920.2U CN220510929U (en) | 2023-07-27 | 2023-07-27 | Fully-integrated brushless micro-motor actuator for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510929U true CN220510929U (en) | 2024-02-20 |
Family
ID=89880528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322012920.2U Active CN220510929U (en) | 2023-07-27 | 2023-07-27 | Fully-integrated brushless micro-motor actuator for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510929U (en) |
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2023
- 2023-07-27 CN CN202322012920.2U patent/CN220510929U/en active Active
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