CN201781398U - Brushless motor - Google Patents
Brushless motor Download PDFInfo
- Publication number
- CN201781398U CN201781398U CN2010205316898U CN201020531689U CN201781398U CN 201781398 U CN201781398 U CN 201781398U CN 2010205316898 U CN2010205316898 U CN 2010205316898U CN 201020531689 U CN201020531689 U CN 201020531689U CN 201781398 U CN201781398 U CN 201781398U
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- China
- Prior art keywords
- stator
- magnetic shoe
- carriage
- position sensor
- hall position
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- 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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Abstract
The utility model discloses a brushless motor which comprises a motor case, a motor shaft, a controller, a stator and a rotor, wherein the front end and the rear end of the motor case are respectively provided with a front shield and a rear shield, the motor shaft is supported by the front shield and the rear shield, the rotor and the stator are arranged in the middle of the motor case, the rotor is positioned inside the stator and provided with a magnetic block, a coil is wound on the stator, a bracket is arranged on the rear shield, a Hall position sensor is separated from the stator is fixed on the bracket, an induced magnetic shoe is arranged beside the Hall position sensor and arranged in a magnetic shoe bracket, the induced magnetic shoe and the magnetic shoe bracket are annular and are sleeved on the motor shaft. The Hall position sensor is arranged at the back of the motor and is separated from an iron core of the stator, thus the brushless motor is convenient for the winding of the stator, is not influenced by the work of the stator, is safer and more reliable, and is adjustable in positions; and the magnetic shoe is additionally arranged, the Hall reversing is ensured.
Description
Technical field
The utility model relates to a kind of motor, particularly a kind of brushless electric machine.
Background technology
Brushless electric machine has been avoided the carbon brush wearing and tearing of motor internal, thereby has been prolonged electrical machinery life greatly, the efficient height owing to adopt hall position sensor to replace the carbon brush in the brush motor, commutator.
But brushless electric machine also has its fatal weakness, hall position sensor is installed on the stator core respectively according to the location groove at phase angle, make behind stator winding relatively difficulty of Hall wiring and outlet like this, the temperature rise at stator core place is also than comparatively fast in complete machine work, surpass the tolerable temperature of hall position sensor and cause its damage, and the installation site of Hall also is nonadjustable, and the failure rate part of brushless electric machine is caused by this problem at present.
Summary of the invention
The utility model is at above-mentioned the deficiencies in the prior art, provide a kind of hall position sensor and stator brushless electric machine placed apart, thereby can prevent that hall position sensor from crossing cause thermal damage, thereby improved the operating efficiency of motor greatly, convenient maintenance and replacement, long service life has reduced the repair rate of motor; The stator winding triple line adopts compound winding to satisfy different performance requirements in addition.
The technical solution of the utility model is achieved in that
A kind of brushless electric machine, comprise casing, motor shaft, controller, stator and rotor are respectively equipped with front shroud and back cover in the casing rear and front end, and motor shaft supports by front shroud and back cover, stator and rotor are located at the casing middle part, rotor is positioned at stator interior, and rotor is provided with magnetic patch, is wound with coil on the stator, on back cover, be provided with carriage, be fixed with the hall position sensor placed apart with stator on carriage, at the other induction magnetic shoe that is provided with of hall position sensor, the induction magnetic shoe is arranged in the magnetic shoe carriage, induction magnetic shoe and magnetic shoe carriage all are annular, the induction magnetic shoe, the magnetic shoe carriage is set on the motor shaft.
As preferably, described carriage and hall position sensor all are annular, and hall position sensor is fixed on the carriage by screw, correspondingly on carriage and hall position sensor are provided with the through hole that the power supply arbor passes.Hall position sensor is fixed on the carriage by screw, and dismounting and change is convenient.
As preferably, on the magnetic shoe carriage, be provided with and respond to the cannelure that magnetic shoe is complementary, the induction magnetic shoe is arranged in the described cannelure.
The tradition brushless electric machine all is a simplex winding, and the motor output performance is limited to some extent, can not provide many output performances to satisfy instructions for use, and in order to improve motor performance, as preferably, the coil on the stator is compound winding.
Adopted the beneficial effects of the utility model of technique scheme to be:
Hall position sensor of the present utility model position postposition; partly throw off with stator core; make things convenient for stator winding, and be not subjected to the influence of stator work, more safe and reliable and the position is adjustable; increase the induction magnetic shoe simultaneously to guarantee the Hall commutation; the stator winding triple line adopts compound winding to satisfy different performance requirements, uses structure of the present utility model can satisfy required different moments of torsion, power saving; machine operation is stable, effectively improves the utilance of motor.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the fractionation structural representation of the utility model hall position sensor, carriage, induction magnetic shoe and magnetic shoe carriage.
Embodiment
Embodiment of the present utility model is as follows:
Embodiment: as Fig. 1～shown in Figure 2, a kind of brushless electric machine, comprise casing 1, motor shaft 2, the controller (not shown), stator 3 and rotor 4, be respectively equipped with front shroud 7 and back cover 8 in casing 1 rear and front end, motor shaft 2 supports by front shroud 7 and back cover 8, and stator 3 and rotor 4 are located at casing 1 middle part, and rotor 4 is positioned at stator 3 inside, rotor 4 is provided with magnetic patch 5, be wound with coil 6 on the stator 3, on back cover 8, be provided with carriage 9, on carriage 9, be fixed with the hall position sensor 10 placed apart with stator.Simultaneously in order to ensure hall position sensor 10 commutations; at the hall position sensor 10 other induction magnetic shoes 11 that are provided with; induction magnetic shoe 11 is arranged in the magnetic shoe carriage 12; promptly on magnetic shoe carriage 12, be provided with and respond to the cannelure that magnetic shoe 11 is complementary; induction magnetic shoe 11 is arranged in the described cannelure; induction magnetic shoe 11 all is annular with magnetic shoe carriage 12, and induction magnetic shoe 11, magnetic shoe carriage 12 are set on the motor shaft 2.
As shown in Figure 2, described carriage 9 all is annular with hall position sensor 10, and hall position sensor 10 is fixed on the carriage 9 by screw 13, correspondingly on carriage 9 and hall position sensor 10 is provided with the through hole that the arbor 2 of powering passes.
Claims (4)
1. brushless electric machine, comprise casing (1), motor shaft (2), controller, stator (3) and rotor (4), be respectively equipped with front shroud (7) and back cover (8) in casing (1) rear and front end, motor shaft (2) supports by front shroud (7) and back cover (8), stator (3) and rotor (4) are located at casing (1) middle part, rotor (4) is positioned at stator (3) inside, rotor (4) is provided with magnetic patch (5), be wound with coil (6) on the stator (3), it is characterized in that: on back cover (8), be provided with carriage (9), be fixed with the hall position sensor placed apart with stator (10) on carriage (9), at the other induction magnetic shoe (11) that is provided with of hall position sensor (10), induction magnetic shoe (11) is arranged in the magnetic shoe carriage (12), induction magnetic shoe (11) all is annular with magnetic shoe carriage (12), induction magnetic shoe (11), magnetic shoe carriage (12) is set on the motor shaft (2).
2. a kind of brushless electric machine according to claim 1, it is characterized in that: described carriage (9) all is annular with hall position sensor (10), hall position sensor (10) is fixed on the carriage (9) by screw, goes up the corresponding through hole that power supply arbor (2) passes that is provided with at carriage (9) and hall position sensor (10).
3. a kind of brushless electric machine according to claim 1 is characterized in that: be provided with on magnetic shoe carriage (12) and respond to the cannelure that magnetic shoe (11) is complementary, induction magnetic shoe (11) is arranged in the described cannelure.
4. a kind of brushless electric machine according to claim 1 is characterized in that: the coil (6) on the stator (3) is compound winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205316898U CN201781398U (en) | 2010-09-15 | 2010-09-15 | Brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205316898U CN201781398U (en) | 2010-09-15 | 2010-09-15 | Brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201781398U true CN201781398U (en) | 2011-03-30 |
Family
ID=43794600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205316898U Expired - Fee Related CN201781398U (en) | 2010-09-15 | 2010-09-15 | Brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201781398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664507A (en) * | 2012-04-10 | 2012-09-12 | 周拥军 | Inner rotor motor |
| CN111373633A (en) * | 2017-11-16 | 2020-07-03 | Lg伊诺特有限公司 | Electric machine |
-
2010
- 2010-09-15 CN CN2010205316898U patent/CN201781398U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664507A (en) * | 2012-04-10 | 2012-09-12 | 周拥军 | Inner rotor motor |
| CN102664507B (en) * | 2012-04-10 | 2016-03-30 | 周拥军 | A kind of inner rotor motor |
| CN111373633A (en) * | 2017-11-16 | 2020-07-03 | Lg伊诺特有限公司 | Electric machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yongkang Sen Chuan Electric Machinery Co., Ltd. Assignor: Zhou Yongjun Contract record no.: 2012330000454 Denomination of utility model: Brushless electric machine starting control circuit Granted publication date: 20110330 License type: Exclusive License Record date: 20120731 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yongkang Sen Chuan Electric Machinery Co., Ltd. Assignor: Zhou Yongjun Contract record no.: 2012330000454 Denomination of utility model: Brushless electric machine starting control circuit Granted publication date: 20110330 License type: Exclusive License Record date: 20120731 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20150915 |
|
| EXPY | Termination of patent right or utility model |