CN102412692B - Outer rotor direct current brushless motor used for automobile tail gas treatment system - Google Patents
Outer rotor direct current brushless motor used for automobile tail gas treatment system Download PDFInfo
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- CN102412692B CN102412692B CN201110443821.9A CN201110443821A CN102412692B CN 102412692 B CN102412692 B CN 102412692B CN 201110443821 A CN201110443821 A CN 201110443821A CN 102412692 B CN102412692 B CN 102412692B
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- control circuit
- stator
- circuit board
- support
- motor
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Abstract
The invention discloses an outer rotor direct current brushless motor used for an automobile tail gas treatment system and relates to an outer rotor motor. An existing general direct current brushless motor comprises two parts, namely a motor and a controller, the structural integration level is low, the two parts are independent and separated, the installation efficiency is lower, system malfunction can be easily caused by leads due to lead connection between two parts, the structural volume is large, and the system structure part cost is high. The technical scheme is characterized in that the motor also comprises a bracket and a control circuit plate provided with the controller, the bracket is provided with two bearing chambers, bearings are embedded into the bearing chambers of the bracket; a stator is fixed to the control circuit plate to form a stator module, the control circuit plate is fixed to the bracket through a connecting piece, the rotating shaft of the outer rotor penetrates through the stator, and the control circuit plate is matched with the bearings inside the bracket. By integrating the motor with the controller, the volume of the motor is greatly reduced, the cost of the structure part is lowered, the structure is simplified, assembly is convenient, and the motor has reliable performance.
Description
Technical field
The present invention relates to a kind of external rotor electric machine.
Background technology
Existing general DC brushless motor is all that motor adds controller two large divisions composition, and the integrated level of structure is low, and two parts independently separate.Carry out connection by lead-in wire between the two and could realize controller control motor.Following defect is mainly there is viewed from version:
1, two parts will be installed separately, and carry out twice installation, and installation relative efficiency is low.
2, between two parts, leaded connection easily produces the system failure because causing.
3, structural volume is relatively huge, and system configuration part cost is high.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition carries out improving to prior art and improves, and provides a kind of outer rotor direct current brushless motor used for automobile tail gas treatment system, high to reach efficiency of assembling, good reliability, the object that volume is little.For this reason, the present invention takes following technical scheme.
A kind of outer rotor direct current brushless motor used for automobile tail gas treatment system, comprise stator, external rotor and the controller for controlling motor rotation, it is characterized in that: motor also comprises support, is provided with the control circuit board of controller, described support is provided with two bearings room, inserts bearing in the bearing chamber of support; Described stator is fixed on control circuit board and forms stator module, and control circuit board is fixed on support by connector, and the rotating shaft of external rotor matches through the bearing in stator, control circuit board and support.Traditional motor lines stator is directly fixed on control circuit board and is formed as a unitary stator assembly by the technical program, stator module is fixed on support, support devises two bearing chambers, and rotor is fixed on support by bearing, and the complete structure of such motor just defines.Cast aside traditional DC brushless motor mentality of designing completely, motor and control are originally that independently two parts carry out highly integrated, and the volume of motor is reduced greatly, structural member cost is low, and structure is simple, and easy to assembly, motor performance is reliable.
As improving further and supplementing technique scheme, the present invention also comprises following additional technical feature.
Described support is provided with the reference column concentric with bearing chamber, and reference column overcoat has stator module, is provided with the axis hole with rotating shaft matched in clearance in the middle part of reference column.Reference column makes stator module reliably locate, and improves the reliability of machine operation.
Described support comprises base, is vertically located at two parallel left and right legs above base, and two legs offer bearing chamber, and described right leg extends to form reference column to the right.
The right side periphery of right leg is provided with the limited post of a plurality of evagination, end face and the control circuit board of limited post offset, internal thread hole is provided with in limited post, described control circuit board periphery establishes screw hole, and screw makes stator module be fixed on support through being spirally connected with the internal thread hole of limited post after control circuit board.
Described reference column establishes the shaft shoulder offseted with control circuit board, and the shaft shoulder is equal with limited post end face.
Described stator is fixed by welding on control circuit board.
Rotating shaft between two bearings is socketed axle sleeve, rotating shaft and axle sleeve interference fit.Ensure rotor position in the axial direction.
Beneficial effect: traditional motor lines stator is directly fixed on control circuit board and is formed as a unitary stator assembly by the technical program, stator module is fixed on support, support devises two bearing chambers, and rotor is fixed on support by bearing, so far completes the assembling of motor; Cast aside traditional DC brushless motor mentality of designing completely, motor and control are originally that independently two parts carry out highly integrated, and the volume of motor is reduced greatly, structural member cost is low, and structure is simple, and easy to assembly, motor performance is reliable.
Accompanying drawing explanation
Fig. 1 is assembly structure schematic diagram of the present invention.
Fig. 2 is blasting arrangement schematic diagram of the present invention.
In figure: 1-stator; 2-external rotor; 3-support, 4-control circuit board, 5-bearing, 6-reference column, 7-limited post, 8-screw, 9-axle sleeve, 10-rotating shaft.
Embodiment
Below in conjunction with Figure of description, technical scheme of the present invention is described in further detail.
The present invention includes stator 1, external rotor 2, support 3, be provided with the control circuit board 4 of controller, support 3 is provided with two bearings room, inserts bearing 5 in the bearing chamber of support 3; Stator 1 is fixed on control circuit board 4 and forms stator module, and control circuit board 4 is fixed on support 3 by connector, and the rotating shaft of external rotor 2 matches with the bearing 5 in support 3 through stator 1, control circuit board 4.Support 3 is provided with the reference column 6 concentric with bearing chamber, and reference column 6 overcoat has stator module, is provided with the axis hole with rotating shaft matched in clearance in the middle part of reference column 6.Support 3 comprises base, is vertically located at two parallel left and right legs above base, and two legs offer bearing chamber, and right leg extends to form reference column 6 to the right.The right side periphery of right leg is provided with the limited post 7 of a plurality of evagination, end face and the control circuit board 4 of limited post 7 offset, internal thread hole is provided with in limited post 7, control circuit board 4 periphery establishes screw 8 hole, and screw 8 internal thread hole that is rear through control circuit board 4 and limited post 7 is spirally connected and stator module is fixed on support 3.Stator 1 is fixed by welding on control circuit board 4.Rotating shaft between two bearings 5 is socketed axle sleeve 9.For increasing the rigidity of wiring board, reference column 6 establishes the shaft shoulder offseted with control circuit board 4, and the shaft shoulder is equal with limited post 7 end face.
Stator 1 employing is welded direct to control circuit board 4 upper type and stator 1 and control circuit board 4 is synthesized a stator module.When stator module loads support 3, the iron core endoporus on stator 1 is penetrated by the reference column 6 on support 3, and support 3 is when fine finishining, the axiality of two bearings room and reference column 6 is fully ensure that by instrument and supplies, thus ensure the axiality of the iron core of reference column 6 and stator 1, reality also just ensure that the axiality of two bearings room and stator 1, and the final axiality ensureing motor stator 1 and rotor 2, ensures the output performance of the even guarantee motor of motor gas-gap.Stator 1 is fixed on support 3 by screw 8.
Support 3 is designed with two bearing chambers, bearing 5 is first assembled on support 3, then stator 1 is loaded, finally the rotating shaft 10 of external rotor is passed the axis hole of the reference column 6 of support 3, through right side bearing 5, and be inserted in axle sleeve 9, then through left side bearing 5, rotating shaft 10 and axle sleeve 9 adopt interference fit, ensure rotor position in the axial direction, whole like this motor assembling completes.
Claims (5)
1. an outer rotor direct current brushless motor used for automobile tail gas treatment system, comprise stator (1), external rotor (2) and the controller for controlling motor rotation, it is characterized in that: motor also comprises support (3), is provided with the control circuit board (4) of controller, described support (3) is provided with two bearings room, inserts bearing (5) in the bearing chamber of support (3); Described stator (1) is fixed on control circuit board (4) and forms stator module, control circuit board (4) is fixed on support (3) by connector, and the rotating shaft of external rotor (2) matches with the bearing (5) in support (3) through stator (1), control circuit board (4); Described support (3) is provided with the reference column (6) concentric with bearing chamber, and reference column (6) overcoat has stator module, and reference column (6) middle part is provided with the axis hole with rotating shaft matched in clearance; Described support (3) comprises base, is vertically located at two parallel left and right legs above base, and two legs offer bearing chamber, and described right leg extends to form reference column (6) to the right; Stator (1) is directly fixed on control circuit board (4) and is formed as a unitary stator assembly, and stator module is fixed on support (3), and external rotor (2) is fixed on (3) on support by bearing (5), completes the assembling of motor.
2. a kind of outer rotor direct current brushless motor used for automobile tail gas treatment system according to claim 1, it is characterized in that: the right side periphery of right leg is provided with the limited post (7) of a plurality of evagination, end face and the control circuit board (4) of limited post (7) offset, limited post is provided with internal thread hole in (7), described control circuit board (4) periphery establishes screw (8) hole, and screw (8) is spirally connected with the internal thread hole of limited post (7) afterwards through control circuit board (4) and stator module is fixed on support (3).
3. a kind of outer rotor direct current brushless motor used for automobile tail gas treatment system according to claim 2, is characterized in that: described reference column (6) establishes the shaft shoulder offseted with control circuit board (4), and the shaft shoulder is equal with limited post (7) end face.
4. a kind of outer rotor direct current brushless motor used for automobile tail gas treatment system according to claim 3, is characterized in that: described stator (1) is fixed by welding on control circuit board (4).
5. a kind of outer rotor direct current brushless motor used for automobile tail gas treatment system according to the arbitrary claim of claim 1-4, is characterized in that: the rotating shaft between two bearings (5) is socketed axle sleeve (9), rotating shaft (10) and axle sleeve (9) interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443821.9A CN102412692B (en) | 2011-12-27 | 2011-12-27 | Outer rotor direct current brushless motor used for automobile tail gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443821.9A CN102412692B (en) | 2011-12-27 | 2011-12-27 | Outer rotor direct current brushless motor used for automobile tail gas treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102412692A CN102412692A (en) | 2012-04-11 |
| CN102412692B true CN102412692B (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110443821.9A Expired - Fee Related CN102412692B (en) | 2011-12-27 | 2011-12-27 | Outer rotor direct current brushless motor used for automobile tail gas treatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN102412692B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2713716Y (en) * | 2004-06-11 | 2005-07-27 | 重庆力帆实业（集团）有限公司 | Engine heat abstraction fan brushless DC motor stator |
| CN2879508Y (en) * | 2005-12-07 | 2007-03-14 | 李芝建 | Electromechanically integrated motor for electric vehicle |
| CN102075050A (en) * | 2009-11-25 | 2011-05-25 | 佛山市南海区东唐电机厂 | Outer rotor DC brushless motor |
| CN202374152U (en) * | 2011-12-27 | 2012-08-08 | 卧龙电气集团股份有限公司 | Outer rotor DC brushless motor for automobile tail gas treatment system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03135351A (en) * | 1989-10-17 | 1991-06-10 | Mitsubishi Electric Corp | Axial flow fan |
| CN201846215U (en) * | 2010-11-01 | 2011-05-25 | 曾军亮 | Motor |
-
2011
- 2011-12-27 CN CN201110443821.9A patent/CN102412692B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2713716Y (en) * | 2004-06-11 | 2005-07-27 | 重庆力帆实业（集团）有限公司 | Engine heat abstraction fan brushless DC motor stator |
| CN2879508Y (en) * | 2005-12-07 | 2007-03-14 | 李芝建 | Electromechanically integrated motor for electric vehicle |
| CN102075050A (en) * | 2009-11-25 | 2011-05-25 | 佛山市南海区东唐电机厂 | Outer rotor DC brushless motor |
| CN202374152U (en) * | 2011-12-27 | 2012-08-08 | 卧龙电气集团股份有限公司 | Outer rotor DC brushless motor for automobile tail gas treatment system |
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| Publication number | Publication date |
|---|---|
| CN102412692A (en) | 2012-04-11 |
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Address after: 312300 Shangyu Economic Development Zone, Shaoxing City, Zhejiang Province Patentee after: WOLONG ELECTRIC GROUP Co.,Ltd. Address before: 312300 No. 1801 Renmin West Road, Shangyu City, Shaoxing City, Zhejiang Province Patentee before: WOLONG ELECTRIC GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190618 Address after: 312300 Shangyu Economic Development Zone, Shaoxing City, Zhejiang Province Co-patentee after: Zhejiang Wolong Servo Technology Co.,Ltd. Patentee after: WOLONG ELECTRIC GROUP Co.,Ltd. Address before: 312300 Shangyu Economic Development Zone, Shaoxing City, Zhejiang Province Patentee before: WOLONG ELECTRIC GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20191227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |