CN203872023U - Brushless motor for air-cooled refrigerator - Google Patents
Brushless motor for air-cooled refrigerator Download PDFInfo
- Publication number
- CN203872023U CN203872023U CN201420267588.2U CN201420267588U CN203872023U CN 203872023 U CN203872023 U CN 203872023U CN 201420267588 U CN201420267588 U CN 201420267588U CN 203872023 U CN203872023 U CN 203872023U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- fan
- shell
- rotor
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to the technical field of motors and particularly relates to a brushless motor for an air-cooled refrigerator, which comprises a stator, a rotor, a rotation shaft, a shell, a circuit board and a fan, wherein the stator is located inside the shell; the rotor is located inside the stator; the rotation shaft passes through the rotor and two ends are arranged on the shell; the circuit board is fixed at the tail part of the shell; the fan is arranged at the end of the rotation shaft; the rotation shaft is provided with an impeller; the circuit board has an annular structure and is arranged on the inner wall of the shell. The front end of the rotation shaft is provided with the impeller and cooling of the fan is assisted; the octagonal annular circuit board is arranged on the inner wall of the shell, connection is firm, maintenance is convenient, and air circulation is facilitated; a guide strip can enable heat to be taken out along with swirling air flow, the cooling strength and the cooling efficiency are improved greatly, the performance and the working efficiency of the motor are ensured, and the service life of the motor is prolonged.
Description
Technical field
The utility model relates to technical field of motors, especially a kind of wind cooling refrigerator brushless electric machine.
Background technology
Air-cooling electric refrigerator generally adopts brushless electric machine as the drive unit of circuit board, circuit board in existing brushless electric machine is positioned at the rear end of motor just, in maintenance process, be easy to circuit board to cause damage, cause motor integral body to be scrapped, and tabular circuit board hinders circulation of air, dispel the heat poor, affect the performance of motor, easily initiating failure, dispels the heat and only depends on the fan of end, structure is single, inefficiency.
Utility model content
Unreasonable in order to overcome existing brushless electric machine board structure of circuit position, the deficiency of fan cooling poor performance, the utility model provides a kind of wind cooling refrigerator brushless electric machine.
The utility model solves the technical scheme that its technical problem adopts: a kind of wind cooling refrigerator brushless electric machine, comprise stator, rotor, rotating shaft, housing, circuit board and fan, stator is positioned at housing, and rotor is positioned at stator, and rotating shaft is through in rotor, two ends frame is on housing, circuit board is fixed on housing afterbody, and fan is arranged on rotating shaft end, and rotating shaft is provided with impeller, circuit board is circulus, is arranged on the inwall of housing.
According to another embodiment of the present utility model, further comprise that impeller is arranged on the front end of rotating shaft, with concord before and after fan.
According to another embodiment of the present utility model, further comprise that circuit board is octagon, components and parts are fixed on interior plate face.
According to another embodiment of the present utility model, further comprise that fan is provided with spiral helicine flow guide bar.
The beneficial effects of the utility model are, at the front end installation impeller of rotating shaft, to form front and back concord structure, auxiliary blower heat radiation, prolongation heat radiation depth, expansion heat dissipation region with the fan of end; The ring circuit plate of design octagon is arranged on the inwall of housing, and not only stable connection, easy to maintenance, and vacateed more heat-dissipating space, is convenient to circulation; Spiral helicine flow guide bar is set on fan, heat is pumped with circinate air-flow, greatly improved specific heat load and radiating efficiency, thereby ensured performance and the operating efficiency of motor, also extended the useful life of motor.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is circuit board schematic diagram of the present utility model.
1. stators in figure, 2. rotor, 3. rotating shaft, 4. housing, 5. circuit board, 6. fan, 7. impeller, 8. flow guide bar.
Embodiment
If Fig. 1 is structural representation of the present utility model, Fig. 2 is circuit board schematic diagram of the present utility model, a kind of wind cooling refrigerator brushless electric machine, comprise stator 1, rotor 2, rotating shaft 3, housing 4, circuit board 5 and fan 6, stator 1 is positioned at housing 4, and rotor 2 is positioned at stator 1, and rotating shaft 3 is through in rotor 2, two ends frame is on housing 4, circuit board 5 is fixed on housing 4 afterbodys, and fan 6 is arranged on rotating shaft 3 ends, and rotating shaft 3 is provided with impeller 7, circuit board 5 is circulus, is arranged on the inwall of housing 4.Impeller 7 is arranged on the front end of rotating shaft 3, echoes with fan 6 front and back.Circuit board 5 is octagon, and components and parts are fixed on interior plate face.Fan 6 is provided with spiral helicine flow guide bar 8.
Front end in rotating shaft 3 is installed impeller 7, forms front and back concord structure with the fan 6 of end, and auxiliary blower 6 heat radiations, have extended heat radiation depth, have expanded heat dissipation region; The ring circuit plate 5 of design octagon, is arranged on the inwall of housing 4, and not only stable connection, easy to maintenance, and vacateed more heat-dissipating space, is convenient to circulation; Spiral helicine flow guide bar 8 is set on fan 6, heat is pumped with circinate air-flow, greatly improved specific heat load and radiating efficiency, thereby ensured performance and the operating efficiency of motor, also extended the useful life of motor.
Claims (4)
1. a wind cooling refrigerator brushless electric machine, comprise stator (1), rotor (2), rotating shaft (3), housing (4), circuit board (5) and fan (6), stator (1) is positioned at housing (4), rotor (2) is positioned at stator (1), rotating shaft (3) is through in rotor (2), two ends frame is on housing (4), circuit board (5) is fixed on housing (4) afterbody, fan (6) is arranged on rotating shaft (3) end, it is characterized in that: rotating shaft (3) is provided with impeller (7), circuit board (5) is circulus, is arranged on the inwall of housing (4).
2. wind cooling refrigerator brushless electric machine according to claim 1, is characterized in that: impeller (7) is arranged on the front end of rotating shaft (3), with concord before and after fan (6).
3. wind cooling refrigerator brushless electric machine according to claim 1, is characterized in that: circuit board (5) is octagon, and components and parts are fixed on interior plate face.
4. wind cooling refrigerator brushless electric machine according to claim 1, is characterized in that: fan (6) is provided with spiral helicine flow guide bar (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420267588.2U CN203872023U (en) | 2014-05-25 | 2014-05-25 | Brushless motor for air-cooled refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420267588.2U CN203872023U (en) | 2014-05-25 | 2014-05-25 | Brushless motor for air-cooled refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203872023U true CN203872023U (en) | 2014-10-08 |
Family
ID=51652944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420267588.2U Expired - Fee Related CN203872023U (en) | 2014-05-25 | 2014-05-25 | Brushless motor for air-cooled refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203872023U (en) |
-
2014
- 2014-05-25 CN CN201420267588.2U patent/CN203872023U/en not_active Expired - Fee Related
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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: 20150525 |
|
| EXPY | Termination of patent right or utility model |