CN202268792U - Permanent-magnetic brushless direct current motor - Google Patents
Permanent-magnetic brushless direct current motor Download PDFInfo
- Publication number
- CN202268792U CN202268792U CN2011204057833U CN201120405783U CN202268792U CN 202268792 U CN202268792 U CN 202268792U CN 2011204057833 U CN2011204057833 U CN 2011204057833U CN 201120405783 U CN201120405783 U CN 201120405783U CN 202268792 U CN202268792 U CN 202268792U
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- permanent
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- electric machine
- housing
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Abstract
The utility model discloses a permanent-magnetic brushless direct current motor, which comprises a main body of the motor and a driver, wherein the main body of the motor comprises a housing, a stator component and a rotor component; the stator component is fixedly mounted in the housing; the rotor component passes through the stator component; the two ends of the rotor component are both mounted on the housing through a front end cover and a back end cover; a wave-shaped spring is arranged at the connecting part of the front end cover and the rotor component; and a Hall sensor circuit board component is arranged at the connecting part of the back end cover and the rotor component; and a sensor protection cover covers the Hall sensor circuit board component. The permanent-magnetic brushless direct current motor overcomes the deficiencies in the prior art, and has the advantages of reasonable integral structure, steady integral performance, wide speed range, small size, high efficiency and little steady-state rotational speed error.
Description
Technical field
The utility model relates to the dc motor technology field, specifically belongs to permanent-magnet brushless DC electric machine.
Background technology
Shortcomings such as existing direct current machine is owing to need the mechanical switching device, and poor reliability needs often to safeguard, produces electromagnetic interference during switching-over, and noise is big.Brshless DC motor adopts semiconductor switch device to realize electrical steering, the contact commutator and the brush that promptly replace with electronic switching device.The installation site of existing Hall element makes aborning, the difficult installation of Hall element, and production efficiency is low, and the dismounting after the damage, replacing are also comparatively difficult.
The utility model content
The purpose of the utility model provides permanent-magnet brushless DC electric machine, has overcome the weak point of prior art, design motor reasonable integral structure, and it is little that overall performance is stablized wide range speed control, small size, high efficiency and steady-state speed error.
The technical scheme that the utility model adopts is following:
Permanent-magnet brushless DC electric machine comprises motor main body and driver, and described motor main body comprises casing, stator module and rotor assembly; Stator module is installed in the casing; Rotor assembly passes stator module, and the rotor assembly two ends all are loaded on the housing through forward and backward end cap, and front end housing and rotor assembly junction are provided with wavy spring; Rear end cap and rotor assembly junction are provided with the Hall element circuit board assemblies, are covered with the sensor protection cover on the Hall element circuit board assemblies.
All export at the rotation axis two ends on the described rotor assembly, is equipped with the shaft extension part on the rotation axis two ends.
Described rotation axis assembly two ends all are installed on front and back ends through deep groove ball bearing and cover.
Be provided with spring washer and plain washer between described sensor protection cover and the rear end cap.
Be stained with the permanent magnet of neodymium iron boron on the described rotor assembly.
Compared with present technology, the beneficial effect of the utility model is following:
The motor torque excellent of the utility model, in, the low speed torque performance is good, detent torque is big, starting current is little; Stepless speed regulation, speed adjustable range is wide, and overload capacity is strong; Volume is little, in light weight, exert oneself big; Reliability is high, good stability, and adaptability is strong, and maintenance is simple; The anti-vibrations of jolting, noise is low, shakes for a short time, and running is level and smooth, and the life-span is long.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Referring to accompanying drawing, permanent-magnet brushless DC electric machine comprises motor main body and driver; The motor main body comprises casing 1, stator module 2 and rotor assembly 3, and stator module 2 is installed in the casing 1, and rotor assembly 3 passes stator module 2; Rotation axis 4 two ends all are installed on front and back ends through deep groove ball bearing 5 and cover; Forward and backward end cap is loaded on the casing 1, and front end housing 6 is provided with wavy spring 7 with rotor assembly 3 junctions, and rear end cap 8 is provided with Hall element circuit board assemblies 9 with rotor assembly 3 junctions; Be covered with sensor protection cover 10 on the Hall element circuit board assemblies 9, be provided with spring washer and plain washer 12 between sensor protection cover 10 and the rear end cap 8.All export at rotation axis 4 two ends on the rotor assembly 3, and rotation axis is equipped with shaft extension part 11 on 4 two ends.
Claims (5)
1. permanent-magnet brushless DC electric machine comprises motor main body and driver, it is characterized in that: described motor main body comprises casing, stator module and rotor assembly; Stator module is installed in the casing; Rotor assembly passes stator module, and the rotor assembly two ends all are loaded on the housing through forward and backward end cap, and front end housing and rotor assembly junction are provided with wavy spring; Rear end cap and rotor assembly junction are provided with the Hall element circuit board assemblies, are covered with the sensor protection cover on the Hall element circuit board assemblies.
2. according to the said permanent-magnet brushless DC electric machine of claim 1, it is characterized in that: all export at the rotation axis two ends on the described rotor assembly, is equipped with the shaft extension part on the rotation axis two ends.
3. according to the said permanent-magnet brushless DC electric machine of claim 1, it is characterized in that: described rotation axis assembly two ends all are installed on front and back ends through deep groove ball bearing and cover.
4. according to the said permanent-magnet brushless DC electric machine of claim 1, it is characterized in that: be provided with spring washer and plain washer between described sensor protection cover and the rear end cap.
5. according to the said permanent-magnet brushless DC electric machine of claim 1, it is characterized in that: the permanent magnet that is stained with neodymium iron boron on the described rotor assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204057833U CN202268792U (en) | 2011-10-21 | 2011-10-21 | Permanent-magnetic brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204057833U CN202268792U (en) | 2011-10-21 | 2011-10-21 | Permanent-magnetic brushless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202268792U true CN202268792U (en) | 2012-06-06 |
Family
ID=46159576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204057833U Expired - Fee Related CN202268792U (en) | 2011-10-21 | 2011-10-21 | Permanent-magnetic brushless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202268792U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710084A (en) * | 2012-06-20 | 2012-10-03 | 昆山库克自动化科技有限公司 | Brushless direct-current motor resisting axial impact force |
| CN105305696A (en) * | 2014-07-04 | 2016-02-03 | 沈阳兴华航空电器有限责任公司 | High-protection-level brushless direct current motor |
| CN108233593A (en) * | 2018-03-07 | 2018-06-29 | 浙江佳雪微特电机集团有限责任公司 | A kind of permanent-magnetic brush-less DC movable motor for electric pallet truck |
| CN109256904A (en) * | 2018-11-12 | 2019-01-22 | 中车永济电机有限公司 | Mine trolley locomotive driving motor |
-
2011
- 2011-10-21 CN CN2011204057833U patent/CN202268792U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710084A (en) * | 2012-06-20 | 2012-10-03 | 昆山库克自动化科技有限公司 | Brushless direct-current motor resisting axial impact force |
| CN105305696A (en) * | 2014-07-04 | 2016-02-03 | 沈阳兴华航空电器有限责任公司 | High-protection-level brushless direct current motor |
| CN108233593A (en) * | 2018-03-07 | 2018-06-29 | 浙江佳雪微特电机集团有限责任公司 | A kind of permanent-magnetic brush-less DC movable motor for electric pallet truck |
| CN109256904A (en) * | 2018-11-12 | 2019-01-22 | 中车永济电机有限公司 | Mine trolley locomotive driving motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20131021 |