CN203086312U - Direct current brushless motor with built-in controller - Google Patents
Direct current brushless motor with built-in controller Download PDFInfo
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- CN203086312U CN203086312U CN 201320076482 CN201320076482U CN203086312U CN 203086312 U CN203086312 U CN 203086312U CN 201320076482 CN201320076482 CN 201320076482 CN 201320076482 U CN201320076482 U CN 201320076482U CN 203086312 U CN203086312 U CN 203086312U
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- ventilation
- controller
- built
- brushless motor
- heat
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Abstract
The utility model discloses a direct current brushless motor with a built-in controller. The direct current brushless motor comprises a rotor component, a stator component sleeved on the rotor component and a ventilation and radiation device, wherein the stator component comprises a rear end cover; the controller is arranged on the rear end cover; and the ventilation and radiation device comprises a first ventilation and radiation part arranged on the rear end cover and a second ventilation and radiation part arranged on the controller. Therefore, the integrated design of the motor and the controller can be ensured, and the effective radiation and ventilation of the whole motor can also be ensured.
Description
Technical field
The utility model relates to a kind of dc brushless motor with built-in controller.
Background technology
Dc brushless motor is made up of motor body and driver, it is a kind of typical electromechanical integrated product, have great advantage because of comparing general traditional direct current machine on the performance, thereby use very extensive, as be applied to automobile, instrument, industrial industry control, automation and Aero-Space or the like, on garden tool set (such as hay mover), also be widely used in addition.
Tradition high-power brushless design of electrical motor on the one hand, adopts controller external, controller and two pyrotoxins of motor body are separated separately, do not produce and influence each other, this layout is unfavorable for the integrated one design of brushless electric machine, and increases the design and the manufacturing cost of motor; On the other hand, the brushless electric machine that adopts built-in controller is also arranged, because of motor body and controller generate heat simultaneously, and this kind brushless electric machine fails to provide simultaneously effective ventilation heat abstractor, make electric machine temperature rise too high, cause rotor permanent magnet wherein under hot environment, to produce irreversible demagnetization, and controller cisco unity malfunction under hot environment.
Summary of the invention
The purpose of this utility model is at above-mentioned defective of the prior art, a kind of novel dc brushless motor with built-in controller is provided, it can not only guarantee the integrated one design of motor and controller, effective heat dissipation ventilation device can be provided again, guarantee the efficiently radiates heat and the ventilation of motor integral body.
For realizing above-mentioned utility model purpose, the utility model has adopted following technical scheme: a kind of dc brushless motor with built-in controller, comprise rotor assembly, be set in stator module and ventilation heat abstractor on the described rotor assembly, described stator module comprises rear end cap, it is characterized in that: described controller is installed on the described rear end cap, and described ventilation heat abstractor comprises first ventilation and heat parts that are arranged on the described rear end cap and the second ventilation and heat parts that are arranged on the described controller.
In addition, the utility model also provides following attached technical scheme:
Described rear end cap comprises bearing chamber and the outer ring portion that links to each other with described bearing chamber, and the described first ventilation and heat parts comprise the spoke-like strutting piece that is connected between described bearing chamber and the described outer ring portion.
The described first ventilation and heat parts also comprise the ventilation slot that is opened in the portion of described outer ring.
Described controller comprises pcb board, and the described second ventilation and heat parts comprise the heat dissipation ventilation hole that is arranged on the described pcb board.
The described second ventilation and heat parts also comprise the radiating block that is arranged on the described controller.
Described rotor assembly comprises rotor yoke, and described ventilation heat abstractor also comprises the fans sheet ventilation hole that is arranged on the described rotor yoke.
Described stator module comprises casing, and ventilation heat abstractor also comprises the fin that is arranged on the described casing.
Than prior art, advantage of the present utility model is: the dc brushless motor with built-in controller that is provided, effective heat dissipation ventilation device when being installed in motor internal, controller is provided, thereby guarantee the integrated one design of motor and controller, can guarantee the efficiently radiates heat and the ventilation of motor integral body again effectively.
Description of drawings
Fig. 1 is the solid assembling schematic diagram corresponding to the utility model preferred embodiment dc brushless motor.
Fig. 2 is the schematic perspective view of stator module among Fig. 1.
Fig. 3 is the schematic perspective view of Fig. 1 rotor assembly.
Fig. 4 is the schematic perspective view of front end housing among Fig. 1.
Fig. 5 is the schematic perspective view of rear end cap among Fig. 1.
Fig. 6 is the schematic perspective view of the controller of dc brushless motor among Fig. 1.
Fig. 7 is the plan view of the pcb board of Fig. 6 middle controller.
Embodiment
Below in conjunction with preferred embodiment and accompanying drawing thereof technical solutions of the utility model are done further nonrestrictive detailed description.
Referring to figs. 1 through Fig. 3, a kind of dc brushless motor with built-in controller comprises rotor assembly 3, stator module 1, controller 6 and ventilation heat abstractor.
Above-mentioned rotor assembly 3 comprises rotating shaft 31 and rotor yoke 32, and the centre of this rotor yoke 32 is provided with fans sheet through hole 33 so that the ventilation and heat of rotor assembly 3, and rotating shaft 31 press-fits in the center of rotor yoke 32.Stator module 1 is set on the above-mentioned rotor assembly 3, front end housing 5 and rear end cap 7 that it comprises casing 12 and is installed on the forward and backward end of casing 12 respectively.One-body molded on this casing 12 have a plurality of fin 13.Described rear end cap 7 comprises bearing chamber 71 and the outer ring portion 72 that links to each other with bearing chamber 71.Above-mentioned controller 6 is installed in the cavity 75 at bearing chamber 71 backs, and it comprises pcb board 63.
With further reference to Fig. 4 to Fig. 7, above-mentioned ventilation heat abstractor comprises first ventilation and heat parts that are arranged on the rear end cap 7 and the second ventilation and heat parts that are arranged on the controller 6.The first ventilation and heat parts comprise the spoke-like strutting piece that is connected between bearing chamber 71 and the outer ring portion 72 77 and are opened in ventilation slot 73 on the lateral surface of described outer ring portion 72, the quantity of this ventilation slot 73 at least one.The described second ventilation and heat parts comprise heat dissipation ventilation hole 61 that is arranged on the pcb board and the radiating block 62 that is arranged on the controller 6, wherein heat dissipation ventilation hole 61 has six groups, every group of quantity is 16, and rapid heat dissipation 62 is along the periphery setting of controller 6, its surface also is provided with radiating ribs 64, dispels the heat by the mode of conduction and convection current.Described ventilation heat abstractor also comprises the above-mentioned a plurality of ventilation slots 51 that are opened in the lateral surface of front end housing 5; And the fans sheet through hole 33 of above-mentioned rotor yoke 32 and a plurality of fin 13 on the casing 12 are the part of ventilation heat abstractor, it provides effective heat radiation and ventilation effect for dc brushless motor jointly with above-mentioned first, second ventilation and heat parts.Like this, the dc brushless motor with built-in controller of the present utility model can not only be guaranteed the integrated one design of motor and controller, can effectively guarantee the efficiently radiates heat and the ventilation of motor integral body again.
It is to be noted; above-mentioned preferred embodiment only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection range of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection range of the present utility model.
Claims (7)
1. dc brushless motor with built-in controller, comprise rotor assembly, be set in stator module and ventilation heat abstractor on the described rotor assembly, described stator module comprises rear end cap, it is characterized in that: described controller is installed on the described rear end cap, and described ventilation heat abstractor comprises first ventilation and heat parts that are arranged on the described rear end cap and the second ventilation and heat parts that are arranged on the described controller.
2. the dc brushless motor that has built-in controller according to claim 1, it is characterized in that: described rear end cap comprises bearing chamber and the outer ring portion that links to each other with described bearing chamber, and the described first ventilation and heat parts comprise the spoke-like strutting piece that is connected between described bearing chamber and the described outer ring portion.
3. as having the dc brushless motor of built-in controller as described in the claim 2, it is characterized in that: the described first ventilation and heat parts also comprise the ventilation slot that is opened in the portion of described outer ring.
4. have the dc brushless motor of built-in controller according to claim 1, it is characterized in that: described controller comprises pcb board, and the described second ventilation and heat parts comprise the heat dissipation ventilation hole that is arranged on the described pcb board.
5. as having the dc brushless motor of built-in controller as described in the claim 4, it is characterized in that: the described second ventilation and heat parts also comprise the radiating block that is arranged on the described controller.
6. have the dc brushless motor of built-in controller according to claim 1, it is characterized in that: described rotor assembly comprises rotor yoke, and described ventilation heat abstractor also comprises the fans sheet ventilation hole that is arranged on the described rotor yoke.
7. have the dc brushless motor of built-in controller according to claim 1, it is characterized in that: described stator module comprises casing, and ventilation heat abstractor also comprises the fin that is arranged on the described casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076482 CN203086312U (en) | 2013-02-19 | 2013-02-19 | Direct current brushless motor with built-in controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076482 CN203086312U (en) | 2013-02-19 | 2013-02-19 | Direct current brushless motor with built-in controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086312U true CN203086312U (en) | 2013-07-24 |
Family
ID=48832115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320076482 Expired - Lifetime CN203086312U (en) | 2013-02-19 | 2013-02-19 | Direct current brushless motor with built-in controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203086312U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186787A (en) * | 2015-08-18 | 2015-12-23 | 常州格力博有限公司 | Brushless motor heat radiation structure |
| CN107947470A (en) * | 2017-12-26 | 2018-04-20 | 宁波菲仕电机技术有限公司 | A kind of air-cooled integrated motor |
| CN111835153A (en) * | 2019-04-23 | 2020-10-27 | 擎声自动化科技（上海）有限公司 | Motor with PCB stator |
-
2013
- 2013-02-19 CN CN 201320076482 patent/CN203086312U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186787A (en) * | 2015-08-18 | 2015-12-23 | 常州格力博有限公司 | Brushless motor heat radiation structure |
| CN105186787B (en) * | 2015-08-18 | 2018-09-25 | 常州格力博有限公司 | The radiator structure of brushless motor |
| CN107947470A (en) * | 2017-12-26 | 2018-04-20 | 宁波菲仕电机技术有限公司 | A kind of air-cooled integrated motor |
| CN107947470B (en) * | 2017-12-26 | 2023-11-03 | 宁波菲仕技术股份有限公司 | Air-cooled integrated motor |
| CN111835153A (en) * | 2019-04-23 | 2020-10-27 | 擎声自动化科技（上海）有限公司 | Motor with PCB stator |
| CN111835153B (en) * | 2019-04-23 | 2023-05-26 | 擎声自动化科技（上海）有限公司 | Motor with PCB stator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |