CN203871967U - Heat radiation structure of brushless direct current motor - Google Patents
Heat radiation structure of brushless direct current motor Download PDFInfo
- Publication number
- CN203871967U CN203871967U CN201420164440.6U CN201420164440U CN203871967U CN 203871967 U CN203871967 U CN 203871967U CN 201420164440 U CN201420164440 U CN 201420164440U CN 203871967 U CN203871967 U CN 203871967U
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- China
- Prior art keywords
- heat radiation
- substrate
- radiator
- support
- circuit board
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- Expired - Fee Related
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- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to the technical field of heat radiation, and discloses a heat radiation structure of a brushless direct current motor. The heat radiation structure comprises a support, a circuit board mounted in the support, an end cap mounted on the support, power components mounted on the circuit board, and a radiator mounted between the circuit board and the support. The radiator comprises a substrate and multiple heat radiation fins mounted on the substrate. The substrate is provided with multiple heat radiation grooves corresponding to the power components. Multiple heat radiation fans corresponding to the heat radiation grooves are mounted on one ends of the heat radiation fins. A ventilation structure is mounted on the end cap. An active heat radiation structure combined the radiator and the heat radiation fans is adopted, and the structure of the radiator is a form of the substrate and the heat radiation fins, the heat in the power components is easy to emit. The heat radiation grooves arranged in the substrate reduce thickness of the substrate, can make the power components transmit the heat to one sides of the heat radiation fins easily, and improve the heat radiation effect greatly.
Description
Technical field
The utility model relates to heat dissipation technology field, more particularly, and particularly a kind of radiator structure of brshless DC motor.
Background technology
Brshless DC motor is comprised of motor body and driver, is a kind of typical electromechanical integrated product.Brshless DC motor in use, because the power component of motor gives out a large amount of heats, need to dispel the heat to it, in the prior art, as publication number is: CN201450435U and CN203251186 U all disclose the radiator structure about brshless DC motor, but all there is following problem in these structures: existing scheme is all the patterns from heat radiation, the form that is all logical heat transfer sheds heat, the power component using in motor due to relatively high power is more, rear because heat all not being left from heat radiation in long-time use, make power component can not get effective heat radiation.And then affected the normal work of motor.
Utility model content
The purpose of this utility model is to provide the radiator structure of the brshless DC motor of a kind of active heat removal and good heat dissipation effect.
In order to solve problem set forth above, the technical solution adopted in the utility model is: a kind of radiator structure of brshless DC motor, comprise support, be installed on the circuit board in support, be installed on the end cap on support and be installed on the power component on circuit board, radiator is also installed between circuit board and support, described radiator comprises substrate and is installed on several radiating fins on substrate, on described substrate, be also provided with several heat radiation grooves corresponding with power component, several radiator fans corresponding with heat radiation groove are also installed in one end of radiating fin, and aeration structure is also installed on end cap.
According to a preferred embodiment of the present utility model: in described each heat radiation groove, thermal grease is also installed.
According to a preferred embodiment of the present utility model: described aeration structure comprises the first radiating opening and the second radiating opening being installed on end cap, and described the first radiating opening is corresponding with the two ends of radiating fin respectively with the second radiating opening.
According to a preferred embodiment of the present utility model: described radiating fin and heat radiation groove lay respectively at two surfaces of substrate.
Compared with prior art, the beneficial effects of the utility model are: the active heat removal structure that the utility model has adopted radiator and radiator fan to mutually combine, the structure of radiator is arranged to the form of substrate and radiating fin simultaneously, be conducive to shedding of heat in power component, and on substrate, be provided with heat radiation groove, reduce the thickness of substrate, can make power component more easily heat is sent to a side of radiating fin, greatly improved radiating effect.
Accompanying drawing explanation
Fig. 1 is the stereogram of the radiator structure of brshless DC motor of the present utility model.
Fig. 2 is the structure chart of radiator in the radiator structure of brshless DC motor of the present utility model.
Description of reference numerals: 1, end cap, 2, circuit board, 3, power component, 4, substrate, 5, radiating fin, 6, radiator fan, 7, support, 8, heat radiation groove, 9, thermal grease, the 10, first radiating opening, the 11, second radiating opening.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Consult shown in Fig. 1 and Fig. 2, the utility model provides a kind of radiator structure of brshless DC motor, comprise support 7, be installed on the circuit board 2 in support 7, be installed on the end cap 1 on support 7 and be installed on the power component 3 on circuit board 2, between circuit board 2 and support 7, radiator is also installed, described radiator comprises substrate 4 and is installed on several radiating fins 5 on substrate 4, on described substrate 4, be also provided with several heat radiation grooves 8 corresponding with power component 3, several radiator fans 6 corresponding with heat radiation groove 8 are also installed in one end of radiating fin 5, and aeration structure is also installed on end cap 1, radiating fin 5 wherein and heat radiation groove 8 are to lay respectively on two surfaces of substrate 4.
The utility model in use, power component 3 is arranged on circuit board 2, and the other end of power component 3 need to be placed in the heat radiation groove 8 on substrate 4, because the setting of heat radiation groove 8 has reduced the thickness of substrate 4, the heat that power component 3 sheds is passed to a side of radiating fin 5 more easily; When motor is when working, can start radiator fan 6 simultaneously, the heat that radiator fan 6 can be dissipated to radiating fin 5 one sides to power component 3 forces and blows away, and discharge by aeration structure, now can make the temperature of radiating fin 5 one sides reduce, thereby form the higher temperature difference with power component 3 one sides, further promote the effect of heat radiation.
The utility model, in order further to improve radiating efficiency, is also provided with thermal grease 9 in each heat radiation groove 8, and thermal grease 9 has played the effect of protection power component 3 on the one hand, is conducive on the other hand the heat radiation of power component 3.
Aeration structure in the utility model comprises the first radiating opening 10 and the second radiating opening 11 being installed on end cap 1; described the first radiating opening 10 is corresponding with the two ends of radiating fin 5 respectively with the second radiating opening 11; while being radiator fan 6 startup; to suck cold air by the first radiating opening 10; and discharge hot-air by the second radiating opening 11; realize the convection current of air, be conducive to the heat radiation to power component 3, protected motor.
Above-described embodiment is preferably execution mode of the utility model; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection range of the present utility model.
Claims (4)
1. the radiator structure of a brshless DC motor, comprise support (7), be installed on the circuit board (2) in support (7), be installed on the end cap (1) on support (7) and be installed on the power component (3) on circuit board (2), it is characterized in that: between circuit board (2) and support (7), radiator is also installed, described radiator comprises substrate (4) and is installed on several radiating fins (5) on substrate (4), on described substrate (4), be also provided with several heat radiation grooves (8) corresponding with power component (3), several radiator fans (6) corresponding with heat radiation groove (8) are also installed in one end of radiating fin (5), and on end cap (1), aeration structure is also installed.
2. the radiator structure of brshless DC motor according to claim 1, is characterized in that: in described each heat radiation groove (8), thermal grease (9) is also installed.
3. the radiator structure of brshless DC motor according to claim 1, it is characterized in that: described aeration structure comprises the first radiating opening (10) and the second radiating opening (11) being installed on end cap (1), described the first radiating opening (10) is corresponding with the two ends of radiating fin (5) respectively with the second radiating opening (11).
4. the radiator structure of brshless DC motor according to claim 1, is characterized in that: described radiating fin (5) and heat radiation groove (8) lay respectively at two surfaces of substrate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164440.6U CN203871967U (en) | 2014-04-05 | 2014-04-05 | Heat radiation structure of brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164440.6U CN203871967U (en) | 2014-04-05 | 2014-04-05 | Heat radiation structure of brushless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871967U true CN203871967U (en) | 2014-10-08 |
Family
ID=51652888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420164440.6U Expired - Fee Related CN203871967U (en) | 2014-04-05 | 2014-04-05 | Heat radiation structure of brushless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871967U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528427A (en) * | 2017-09-19 | 2017-12-29 | 天津康途科技有限公司 | A kind of door motor of built-in controller |
| CN107889421A (en) * | 2017-06-20 | 2018-04-06 | 浙江金光太阳能科技有限公司 | Controller circuit board radiator structure |
| CN107995832A (en) * | 2017-12-11 | 2018-05-04 | 南京邮电大学 | A kind of intensive cooling circuit board |
| CN111479450A (en) * | 2020-05-11 | 2020-07-31 | 珠海格力电器股份有限公司 | Electrical apparatus box and be equipped with its indirect heating equipment |
| WO2024176417A1 (en) * | 2023-02-24 | 2024-08-29 | 三菱電機株式会社 | Drive device and electric power steering device |
-
2014
- 2014-04-05 CN CN201420164440.6U patent/CN203871967U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107889421A (en) * | 2017-06-20 | 2018-04-06 | 浙江金光太阳能科技有限公司 | Controller circuit board radiator structure |
| CN107528427A (en) * | 2017-09-19 | 2017-12-29 | 天津康途科技有限公司 | A kind of door motor of built-in controller |
| CN107995832A (en) * | 2017-12-11 | 2018-05-04 | 南京邮电大学 | A kind of intensive cooling circuit board |
| CN111479450A (en) * | 2020-05-11 | 2020-07-31 | 珠海格力电器股份有限公司 | Electrical apparatus box and be equipped with its indirect heating equipment |
| WO2024176417A1 (en) * | 2023-02-24 | 2024-08-29 | 三菱電機株式会社 | Drive device and electric power steering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20170405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |