CN206117463U - Electronic brushless DC motor for treadmill - Google Patents
Electronic brushless DC motor for treadmill Download PDFInfo
- Publication number
- CN206117463U CN206117463U CN201621111630.7U CN201621111630U CN206117463U CN 206117463 U CN206117463 U CN 206117463U CN 201621111630 U CN201621111630 U CN 201621111630U CN 206117463 U CN206117463 U CN 206117463U
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- motor
- rear end
- rotor
- casing
- end cap
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Abstract
The utility model relates to an electronic brushless DC motor for treadmill, set up respectively at the both ends from beginning to end of casing at inside stator, rotor and the pivot of casing, front end housing and rear end cap including casing, front end housing, rear end cap, setting, the rotor suit that inlays the terres rares magnet steel is in the pivot, and the stator pressure equipment is equipped with the magnetism electric sensor of exportable sine and cosine wave form on the rear end cap in the casing, and the magnetic ring is installed to the pivot rear end, and is corresponding with the magnetism electric sensor who fixes on the rear end cap for magnetism electric sensor can trail the position and the rotational speed of rotor. The utility model discloses an electronic brushless DC motor for treadmill, magnetism electric sensor through chooseing output sine and cosine wave form for use has realized the sinusoidal wave driver to the motor, has effectively reduced the electromagnetic noise of motor, and control accuracy is also high, makes the motor can the even running, and using of terres rares magnet steel makes the motor have efficient output.
Description
Technical field
This utility model is related to technical field of motors, especially a kind of treadmill brshless DC motor.
Background technology
Due to due to easy to make and low cost, treadmill always using there is a brush permanent magnet direct current motor, but because
Change brush inconvenience and brush carbon dust is caused and becomes inevitable defect with dangerous and the brush motor life-span limitation, make
With brshless DC motor into treadmill new selection.But general brushless direct current motor there is also because of square wave drive and
Electromagnetic noise is produced, causes the deficiency that electric moter noise is higher.
Utility model content
The technical problems to be solved in the utility model is：In order to solve that general brushless direct current motor there is also because of square wave
Drive and produce electromagnetic noise, cause the deficiency that electric moter noise is higher, there is provided a kind of treadmill of sine wave drive is used
Brshless DC motor.
This utility model solves the technical scheme adopted by its technical problem：A kind of treadmill brushless dc
Machine, including casing, drive end bearing bracket, rear end cap, the stator for being arranged on casing internal, rotor and rotating shaft, the drive end bearing bracket and rear end cap
The rear and front end of casing is separately positioned on, the rotor for being embedded with rare earth magnetic steel is sleeved in rotating shaft, and stator press-loading is in casing
Interior, the rear end cap is provided with the magnetoelectric transducer of exportable sine and cosine waveform, and the rotating shaft rear end is provided with magnet ring, with fixation
Magnetoelectric transducer on rear end cap is corresponding so that the magnetoelectric transducer can track the position of rotor and rotating speed.Due to
The magnetoelectric transducer of exportable sine and cosine waveform is selected, the sine wave drive to motor has been realized, is effectively reduced motor
Noise.
In order to ensure the coincidence of magnetoelectric transducer sine and cosine output waveform, the position of the sensor on rear end cap
Put fine-tuning, make motor running efficiently, steadily.
Rare earth magnetic steel is embedded with the rotor, in order to ensure that it is reliable that magnet steel is combined with rotor, magnet steel is viscous by binding agent
Knot is on rotor.
The magnetoelectric transducer includes magnetoelectricity element, has the circuit line plastic packaging of defencive function.
The beneficial effects of the utility model are, treadmill brshless DC motor of the present utility model, by selecting
The magnetoelectric transducer of output sine and cosine waveform, realizes the sine wave drive to motor, effectively reduces the electromagnetism of motor
Noise, control accuracy are high, enable the application of motor even running, rare earth magnetic steel to reach the efficient output of motor.
Description of the drawings
With reference to the accompanying drawings and examples this utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
In figure：1. casing, 2. drive end bearing bracket, 3. rear end cap, 4. stator, 5. rotor, 6. rotating shaft, 7. magnet ring, 8. magnetic-electric sensing
Device.
Specific embodiment
This utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only illustrated in a schematic way, therefore which only shows the composition relevant with this utility model.
As shown in figure 1, a kind of treadmill brshless DC motor, including casing 1, drive end bearing bracket 2, rear end cap 3, setting
Stator 4, rotor 5 and rotating shaft 6 inside the casing 1, drive end bearing bracket 2 and rear end cap 3 are separately positioned on the rear and front end of casing 1, turn
Son 5 is sleeved in rotating shaft 6, and stator 4 is fitted in casing 1, and the rear end of rotating shaft 6 is provided with magnet ring 7, and rear end cap 3 is provided with can be defeated
The magnetoelectric transducer 8 for going out sine and cosine waveform is corresponding with magnet ring 7, so that magnetoelectric transducer 8 can track rotor 5 position and
Rotating speed.Magnetoelectric transducer 8 due to having selected exportable sine and cosine waveform, realizes the sine wave drive to motor, effectively drops
The low noise of motor.The running voltage of stator winding is carried by its external power supply by the controller supporting with motor
For.
In order to ensure the coincidence of 8 sine and cosine output waveform of magnetoelectric transducer, position of the magnetoelectric transducer 8 on rear end cap 3
It is fine-tuning, make motor running efficiently, steadily.Rare earth magnetic steel is embedded with rotor 5, can in order to ensure that magnet steel is combined with rotor 5
Lean on, magnet steel is by adhesives on rotor 5.Magnetoelectric transducer 8 includes magnetoelectricity original paper, the circuit for having defencive function and moulds
Envelope.
With it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality
The content being not limited to new technical scope in description, it is necessary to its technology is determined according to right
Property scope.
Claims (4)
1. a kind of treadmill brshless DC motor, it is characterised in that：Including casing（1）, drive end bearing bracket（2）, rear end cap
（3）, be arranged on casing（1）Internal stator（4）, rotor（5）And rotating shaft（6）, the drive end bearing bracket（2）And rear end cap（3）Respectively
It is arranged on casing（1）Rear and front end, the rotor（5）It is sleeved on rotating shaft（6）On, the rotor（5）It is embedded with rare earth magnetic steel,
The stator（4）It is fitted in casing（1）It is interior, the rotating shaft（6）Rear end magnet ring is installed（7）, the rear end cap（3）It is provided with
The magnetoelectric transducer of exportable sine and cosine waveform（8）, magnetoelectric transducer（8）It is corresponding with magnet ring (7), the magnetoelectric transducer
（8）Rotor can be tracked（5）Position and rotating speed.
2. treadmill brshless DC motor as claimed in claim 1, it is characterised in that：The magnetoelectric transducer（8）,
Its installation site on rear end cap (3) is fine-tuning.
3. treadmill brshless DC motor as claimed in claim 1, it is characterised in that：The rotor（5）On be embedded with
Rare earth magnetic steel, magnet steel is by adhesives in rotor（5）On.
4. treadmill brshless DC motor as claimed in claim 1, it is characterised in that：The magnetoelectric transducer includes
Magnetoelectricity element, the circuit line plastic packaging that have defencive function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111630.7U CN206117463U (en) | 2016-10-11 | 2016-10-11 | Electronic brushless DC motor for treadmill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111630.7U CN206117463U (en) | 2016-10-11 | 2016-10-11 | Electronic brushless DC motor for treadmill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206117463U true CN206117463U (en) | 2017-04-19 |
Family
ID=58529140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621111630.7U Active CN206117463U (en) | 2016-10-11 | 2016-10-11 | Electronic brushless DC motor for treadmill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206117463U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535293A (en) * | 2018-05-24 | 2019-12-03 | 江苏伯海电驱动科技有限公司 | A kind of permanent magnet synchronous motor with buffer-type revolving speed intelligent speed-control structure |
| CN116365794A (en) * | 2022-12-29 | 2023-06-30 | 襄阳航力机电技术发展有限公司 | Brushless DC motor |
-
2016
- 2016-10-11 CN CN201621111630.7U patent/CN206117463U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535293A (en) * | 2018-05-24 | 2019-12-03 | 江苏伯海电驱动科技有限公司 | A kind of permanent magnet synchronous motor with buffer-type revolving speed intelligent speed-control structure |
| CN116365794A (en) * | 2022-12-29 | 2023-06-30 | 襄阳航力机电技术发展有限公司 | Brushless DC motor |
| CN116365794B (en) * | 2022-12-29 | 2024-02-20 | 襄阳航力机电技术发展有限公司 | Brushless DC motor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |