CN102163903A - Permanent magnetic brushless direct-current motor with integrated Hall position sensor and controller - Google Patents
Permanent magnetic brushless direct-current motor with integrated Hall position sensor and controller Download PDFInfo
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- CN102163903A CN102163903A CN 201110111843 CN201110111843A CN102163903A CN 102163903 A CN102163903 A CN 102163903A CN 201110111843 CN201110111843 CN 201110111843 CN 201110111843 A CN201110111843 A CN 201110111843A CN 102163903 A CN102163903 A CN 102163903A
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Abstract
The invention discloses a permanent magnetic brushless direct-current motor with an integrated Hall position sensor and a controller, relates to the permanent magnetic brushless direct-current motor with the integrated Hall position sensor and the controller, and belongs to improvement on conventional permanent magnetic brushless direct-current motors. A first Hall position sensor (21), a second Hall position sensor (22) and a third Hall position sensor (23) of the motor are respectively fixed at the vertical position of a controller (4) through a first printed circuit board (31), a second printed circuit board (32) and a third printed circuit board (33); the controller (4) is positioned on a shaft end closure (1) of the motor; and the three Hall position sensors which are fixed on the controller (4) penetrate through an opening (14) of the shaft end closure and then enter a rotor slot of the motor correspondingly. By manufacturing the Hall position sensors and the motor controller on a same circuit board, the heat-radiating conditions of the Hall position sensors are improved and damage to the Hall position sensors because of overheating can be prevented.
Description
Technical field
What the present invention relates to is the permanent-magnet brushless DC electric machine of hall position sensor and controller integral, is the improvement to traditional permanent-magnet brushless DC electric machine, belongs to the magneto technical field.
Background technology
Permanent-magnet brushless DC electric machine does not have commutation spark owing to simple in structure, and is reliable, easy to maintenance, and numerous advantages such as no excitation loss have acquired application more and more widely in industry and civil area.In traditional position sensor permanent-magnet brushless DC electric machine, hall position sensor embeds on electric machine stator iron, draws by lead, in order to provide commutation signal to inverter bridge.Though such structure is fairly simple, also exist a lot of problems.Hall element is a semiconductor device, has strict restriction for working temperature, and motor can produce a large amount of heats on the stator when work, and it will be directly transferred on the Hall element, surpasses resistance to extreme temperature and will damage transducer; On the other hand, the signal connecting line of hall position sensor and controller is thinner, is easy to fracture.The appearance of these problems will damage even burn the permanent-magnet brushless DC electric machine controller, make the brshless DC motor system can't operate as normal.The appearance of these faults greatly reduces the reliability of brushless DC motor control system, has increased the system maintenance cost.At present, the someone proposes to adopt the commutation rotor and the method that hall position sensor is placed on the motor stator outside is solved above problem, but this has increased the volume and the cost of motor undoubtedly.And the various Brushless DC Motor without Position Sensor control methods and the technology that propose at present are perfect not enough, also far can not replace the application of hall position sensor control system in permanent-magnet brushless DC electric machine, and the cost of master controller are also higher.
Summary of the invention
Technical problem:The purpose of this invention is to provide the incorporate permanent-magnet brushless DC electric machine of a kind of hall position sensor and electric machine controller, be characterized in, hall position sensor and electric machine controller are produced on the same circuit board, improved the radiating condition of hall position sensor, can prevent that hall position sensor from damaging because of overheated, reduce the repair rate of brshless DC motor system, improved the reliability of electric system, prolonged useful life.
Technical scheme:First hall position sensor of the permanent-magnet brushless DC electric machine of hall position sensor of the present invention and controller integral, second hall position sensor, the 3rd hall position sensor are fixed on the upright position of controller by first printed wiring board, second printed wiring board, the 3rd printed wiring board respectively, controller is positioned on the hubcap of motor, and be fixed on three hall position sensors on the controller, pass the opening of motor shaft end cap, correspond in the corresponding stator slot of the motor crack.
Three hall position sensors in the described hall position sensor are connected with an end of three printed wiring boards respectively, and the other end of printed wiring board is vertically fixed on the motor integration controller.
Three hall position sensors on the described motor integration controller are the arrangement architecture with circular arc.
Beneficial effect:Characteristics of the present invention are, the riding position of hall position sensor is designed and optimizes, realize the integrated design of hall position sensor and electric machine controller, not only improved the useful life of hall position sensor, reduced the repair rate of dc brushless motor, and made that the maintenance of motor is more convenient and flexible.
Description of drawings
Fig. 1 is a structural representation of implementing the brshless DC motor of external integrated controller.
Fig. 2 is the sectional view of motor internal.
Fig. 3 is the structural representation of motor housing hubcap among Fig. 1.
Fig. 4 is the plan view of integrated controller among Fig. 1.
Fig. 5 is the vertical view of integrated controller among Fig. 1.
Have among the above figure: the hubcap of 1-motor, 2-hall position sensor and printed wiring board thereof, 3-heat-barrier material pad, 4-motor integration controller, the 5-motor housing, the 6-motor stator core, the 7-motor shaft, the 8-bearing, 9-motor p-m rotor, 10-motor stator winding, the first stator slot crack 11, the second stator slot crack 12, the 3rd stator slot crack 13, the opening of 14-motor shaft end cap, first hall position sensor 21, second hall position sensor 22, the 3rd hall position sensor 23, the first printed wiring boards 31, second printed wiring board 32, the 3rd printed wiring board 33.
Embodiment
The incorporate permanent-magnet brushless DC electric machine of hall position sensor of the present invention and electric machine controller, comprise motor stator, motor shaft end cap, hall position sensor and controller, three hall position sensors that it is characterized in that motor are fixed on the upright position of controller by printed wiring board, controller is connected with the hubcap of motor, and be fixed on three hall position sensors on the controller, pass the opening of motor shaft end cap, correspond in the corresponding stator slot of the motor crack.
The p-m rotor of described motor both can be inner rotor core, also can be outer-rotor structure.
Described hall position sensor is pressed motor stator 60
0Electrical degree is arranged as good, so that location and installation, also can be by 120
0Electrical degree is arranged.
It is not good with a side of output wheel that the motor integration controller of described motor is fixed on motor shaft, also can be at the opposite side of motor shaft.
It is outside for good that the integrated controller of described motor is placed on motor, the hall position sensor on the controller by with hubcap that motor housing links to each other on opening correspond in the corresponding stator slot of stator.
The integrated controller of described motor also can directly be placed on motor internal, fixes by the hubcap of motor housing, and hall position sensor directly corresponds in the corresponding stator slot on the controller.
The shape of the opening of the motor shaft end cap of described motor is good with sector structure, also can be other distributed cellular type structure.
It is good being provided with heat-barrier material between described motor housing hubcap and the electric machine controller, with better heat insulation, further protects controller and Hall element.
Referring to Fig. 1, the incorporate permanent-magnet brushless DC electric machine of this hall position sensor and electric machine controller, controller 4 directly is fixed on the hubcap 1 of motor housing, contact-making surface at controller and motor shaft end cap, install one deck heat-barrier material pad 3 additional, three hall position sensors on the controller i.e. first hall position sensor 21, second hall position sensor 22, the 3rd hall position sensor 23, pass the opening 14 on the motor shaft end cap 1, directly correspond in the corresponding first stator slot crack 11 of motor, the second stator slot crack 12, the 3rd stator slot crack 13.
Referring to Fig. 4 and Fig. 5, in the application of hall position sensor and the incorporate permanent-magnet brushless DC electric machine of electric machine controller, this integrated controller directly encapsulates by one deck heat-barrier material, comprises first hall position sensor 21, second hall position sensor 22, the 3rd hall position sensor 23.
Claims (3)
1. the permanent-magnet brushless DC electric machine of hall position sensor and controller integral, first hall position sensor (21) that it is characterized in that motor, second hall position sensor (22), the 3rd hall position sensor (23) is respectively by first printed wiring board (31), second printed wiring board (32), the 3rd printed wiring board (33) is fixed on the upright position of controller (4), controller (4) is positioned on the hubcap (1) of motor, and be fixed on three hall position sensors on the controller (4), pass the opening (14) of motor shaft end cap, correspond to the corresponding first stator slot crack (11) of motor, the second stator slot crack (12), in the 3rd stator slot crack (13).
2. hall position sensor according to claim 1 and the incorporate permanent-magnet brushless DC electric machine of electric machine controller, it is characterized in that described three hall position sensors are connected with an end of three printed wiring boards respectively, the other end of printed wiring board is vertically fixed on the motor integration controller (4).
3. hall position sensor according to claim 1 and the incorporate permanent-magnet brushless DC electric machine of electric machine controller is characterized in that three hall position sensors on the described motor integration controller (4) are the arrangement architecture with circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110111843A CN102163903B (en) | 2011-05-03 | 2011-05-03 | Permanent magnetic brushless direct-current motor with integrated Hall position sensor and controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110111843A CN102163903B (en) | 2011-05-03 | 2011-05-03 | Permanent magnetic brushless direct-current motor with integrated Hall position sensor and controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102163903A true CN102163903A (en) | 2011-08-24 |
| CN102163903B CN102163903B (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110111843A Expired - Fee Related CN102163903B (en) | 2011-05-03 | 2011-05-03 | Permanent magnetic brushless direct-current motor with integrated Hall position sensor and controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN102163903B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427566A (en) * | 2013-08-05 | 2013-12-04 | 北京睿德昂林新能源技术有限公司 | Motor system of integrated control device |
| CN105449936A (en) * | 2015-09-30 | 2016-03-30 | 徐州南普机电科技有限公司 | Sinusoidal motor with 48-degree hall groove and built-in hall unit, hall assembly, and hall groove determination method |
| CN115580100A (en) * | 2022-11-17 | 2023-01-06 | 睿动(山西)科技有限公司 | Brushless direct current motor based on Hall sensor and detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2733729Y (en) * | 2004-06-29 | 2005-10-12 | 许晓华 | Brushless DC motor with outlaid hall element |
| CN201263117Y (en) * | 2008-09-01 | 2009-06-24 | 杭州新星光电有限公司 | Minitype permanent-magnet brushless DC motor |
| CN201414063Y (en) * | 2009-05-25 | 2010-02-24 | 重庆大学 | Brushless direct current permanent magnet motor electromechanical integration structure for electric automobiles |
| CN202014185U (en) * | 2011-05-03 | 2011-10-19 | 东南大学 | Permanent magnetic brushless direct current motor integrating Hall position sensor and controller |
-
2011
- 2011-05-03 CN CN201110111843A patent/CN102163903B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2733729Y (en) * | 2004-06-29 | 2005-10-12 | 许晓华 | Brushless DC motor with outlaid hall element |
| CN201263117Y (en) * | 2008-09-01 | 2009-06-24 | 杭州新星光电有限公司 | Minitype permanent-magnet brushless DC motor |
| CN201414063Y (en) * | 2009-05-25 | 2010-02-24 | 重庆大学 | Brushless direct current permanent magnet motor electromechanical integration structure for electric automobiles |
| CN202014185U (en) * | 2011-05-03 | 2011-10-19 | 东南大学 | Permanent magnetic brushless direct current motor integrating Hall position sensor and controller |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427566A (en) * | 2013-08-05 | 2013-12-04 | 北京睿德昂林新能源技术有限公司 | Motor system of integrated control device |
| CN105449936A (en) * | 2015-09-30 | 2016-03-30 | 徐州南普机电科技有限公司 | Sinusoidal motor with 48-degree hall groove and built-in hall unit, hall assembly, and hall groove determination method |
| CN115580100A (en) * | 2022-11-17 | 2023-01-06 | 睿动(山西)科技有限公司 | Brushless direct current motor based on Hall sensor and detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102163903B (en) | 2012-10-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110824 Assignee: SUZHOU YUWELL MEDICAL SCIENCE & TECHNOLOGY CO., LTD. Assignor: Southeast University Contract record no.: 2015320010030 Denomination of invention: Permanent magnetic brushless direct-current motor with integrated Hall position sensor and controller Granted publication date: 20121024 License type: Exclusive License Record date: 20150408 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20200503 |