CN204425158U - A kind of permanent magnet brushless direct current hub motor - Google Patents
A kind of permanent magnet brushless direct current hub motor Download PDFInfo
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- CN204425158U CN204425158U CN201520062574.1U CN201520062574U CN204425158U CN 204425158 U CN204425158 U CN 204425158U CN 201520062574 U CN201520062574 U CN 201520062574U CN 204425158 U CN204425158 U CN 204425158U
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- controller
- permanent magnet
- direct current
- rotating shaft
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Abstract
A kind of permanent magnet brushless direct current hub motor, described permanent magnet brushless direct current hub motor comprises controller, rotating shaft, armature and cable-assembly; Described controller is fixed on described armature; Described rotating shaft is hollow axle, and its outer wall is also provided with through hole; Described cable-assembly is connected with described controller, and is inserted into rotating shaft inside by the through hole in rotating shaft.The utility model, by built-in controller, effectively utilizes motor internal spatial volume, reduces the installation of controller outside and taken up space.Newly-increased controlling functions travels more steadily by driven shoes, safer, more reliable, there are wide market prospects.
Description
Technical field
The utility model relates to a kind of permanent magnet brushless direct current hub motor.
Background technology
The permanent magnet brushless direct current hub motor of electric motor car is generally equipped with permanent magnet brushless direct current hub motor, and it is a kind of efficient, pollution-free, low noise rotating driver.Along with the raising of living standards of the people, permanent magnet brushless direct current hub motor application is no longer confined in electric motor car, to its Application and Development, also new epoch are entered, this novel amusement type product of driven shoes arises at the historic moment, it combines fancy rolling ice skate and electric motor car feature, both enjoyed the enjoyment of skating shoe motion of rolling, can reach again as vehicles electric motor car travel quick and laborsaving.But in the permanent magnet brushless direct current hub motor of current electric motor car, DC permanent-magnetic brushless wheel hub electric motor structure is fixed, volume is large, and its controller is external, cannot meet the designing requirements such as emerging driven shoes volume is little, compact conformation.
Utility model content
In order to overcome the shortcoming of prior art with not enough, the utility model discloses a kind of permanent magnet brushless direct current hub motor, described permanent magnet brushless direct current hub motor comprises controller, rotating shaft, armature and cable-assembly; Described controller is fixed on described armature; Described rotating shaft is hollow axle, and its outer wall is also provided with through hole; Described cable-assembly is connected with described controller, and is inserted into rotating shaft inside by the through hole in rotating shaft.
Further, described controller comprises detecting unit, control unit, central processing unit, power supply unit and electric-motor drive unit; Described control unit comprises positive and negative control circuit, braking circuit, speed control circuit and the moment of torsion control circuit that output is electrically connected with the input of central processing unit respectively; Described detecting unit comprises temperature sensing circuit, current foldback circuit and the voltage detecting circuit that output is electrically connected with the input of central processing unit respectively; The input of described power supply unit and output are electrically connected with the output of central processing unit and electric-motor drive unit power input respectively; The output of described electric-motor drive unit is electrically connected with motor.
The utility model, by built-in controller, effectively utilizes motor internal spatial volume, reduces the installation of controller outside and taken up space.Newly-increased controlling functions travels more steadily by driven shoes, safer, more reliable, there are wide market prospects.
In order to understand better and implement, describe the utility model in detail below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the utility model permanent magnet brushless direct current hub motor.
Fig. 2 is the utility model permanent magnet brushless direct current hub motor electric-motor drive unit control principle circuit diagram.
Fig. 3 is A1 place enlarged drawing in Fig. 2.
Fig. 4 is A2 place enlarged drawing in Fig. 2.
Fig. 5 is A3 place enlarged drawing in Fig. 2.
Fig. 6 is central processor circuit figure in the utility model permanent magnet brushless direct current hub motor controller.
Fig. 7 is positive and negative control circuit figure in the utility model permanent magnet brushless direct current hub motor controller.
Fig. 8 is braking circuit figure in the utility model permanent magnet brushless direct current hub motor controller.
Fig. 9 is the utility model permanent magnet brushless direct current hub motor controller medium velocity control circuit figure.
Figure 10 is moment of torsion control circuit figure in the utility model permanent magnet brushless direct current hub motor controller.
Figure 11 is temperature sensing circuit figure in the utility model permanent magnet brushless direct current hub motor controller.
Figure 12 is current foldback circuit figure in the utility model permanent magnet brushless direct current hub motor controller.
Figure 13 is voltage detecting circuit figure in the utility model permanent magnet brushless direct current hub motor controller.
Figure 14 is power supply unit circuit diagram in the utility model permanent magnet brushless direct current hub motor controller.
Specific embodiment
Refer to Fig. 1-14, a kind of permanent magnet brushless direct current hub motor, described permanent magnet brushless direct current hub motor comprises controller 11, rotating shaft 12, armature 13 and cable-assembly 14; Described controller 11 is fixed on described armature 13; Described rotating shaft 12 is hollow axle 12, and its outer wall is also provided with through hole; Described cable-assembly 14 is connected with described controller 11, and it is inner to be inserted into rotating shaft 12 by the through hole in rotating shaft 12.By controller 11 is built in permanent magnet brushless direct current hub motor inside, thus effectively utilize motor internal spatial volume, reduce the installation of controller 11 outside and taken up space.
During assembling, first rotating shaft 12 is pressed into rear rolling bearing inner ring, armature 13, retainer plate and front roll bearing successively, then by the through hole of cable-assembly 14 through rotating shaft 12, is connected on controller 11, then controller 11 is fixed on armature 13.
Described controller comprises detecting unit, control unit, central processing unit, power supply unit and electric-motor drive unit A; Described control unit comprises positive and negative control circuit, braking circuit, speed control circuit and the moment of torsion control circuit that output is electrically connected with the input of central processing unit respectively; Described detecting unit comprises temperature sensing circuit, current foldback circuit and the voltage detecting circuit that output is electrically connected with the input of central processing unit respectively; The input of described power supply unit and output are electrically connected with the output of central processing unit and electric-motor drive unit a-power supply input respectively; The output of described electric-motor drive unit A is electrically connected with motor.
The output of positive and negative control circuit is electrically connected with the positive and negative control input end of central processing unit, and triggering signal is reached central processing unit, and then central processing unit controls electric-motor drive unit A and realizes rotating switching.
The output of braking circuit is electrically connected with the brake input of central processing unit, and triggering signal is reached central processing unit, and the backward electric-motor drive unit A of central processing unit process sends signal, realizes dynamic braking.
The output of speed control circuit is electrically connected with the speeds control input of central processing unit, and triggering signal is reached central processing unit, the backward electric-motor drive unit A of central processing unit process sends signal, controls the rotating speed that motor runs, thus regulates the speed travelled.
The output of moment of torsion control circuit is electrically connected with the moment of torsion control input end of central processing unit, and triggering signal is reached central processing unit, the backward electric-motor drive unit A of central processing unit process sends signal, controls motor output torque size, thus makes traveling more steady.
The output of temperature sensing circuit is electrically connected with the temperature detection input of central processing unit, when controller temperature exceedes set point, temperature sensing circuit will send a signal to central processing unit, the backward electric-motor drive unit A of central processing unit process sends signal, motor will shut down, until temperature drops to below set point.
The output of current foldback circuit is electrically connected with the overcurrent protection input of central processing unit; when the electric current of motor rotation is more than or equal to set point; current foldback circuit will send a signal to central processing unit; the backward electric-motor drive unit A of central processing unit process sends signal; motor will realize current limliting, allow electric current be no more than set point.
The output of voltage detecting circuit is electrically connected with the voltage detecting input of central processing unit, when supply voltage is lower than set point, voltage detecting circuit will send a signal to central processing unit, and the backward electric-motor drive unit A of central processing unit process sends signal, and motor will shut down.
The utility model, by built-in controller, effectively utilizes motor internal spatial volume, reduces the installation of controller outside and taken up space.Newly-increased controlling functions travels more steadily by driven shoes, safer, more reliable, there are wide market prospects.
The utility model is not limited to above-mentioned execution mode, if do not depart from spirit and scope of the present utility model to various change of the present utility model or distortion, if these are changed and distortion belongs within claim of the present utility model and equivalent technologies scope, then the utility model is also intended to comprise these changes and distortion.
Claims (2)
1. a permanent magnet brushless direct current hub motor, is characterized in that: described permanent magnet brushless direct current hub motor comprises controller, rotating shaft, armature and cable-assembly; Described controller is fixed on described armature; Described rotating shaft is hollow axle, and its outer wall is also provided with through hole; Described cable-assembly is connected with described controller, and is inserted into rotating shaft inside by the through hole in rotating shaft.
2. permanent magnet brushless direct current hub motor according to claim 1, is characterized in that: described controller comprises detecting unit, control unit, central processing unit, power supply unit and electric-motor drive unit; Described control unit comprises positive and negative control circuit, braking circuit, speed control circuit and the moment of torsion control circuit that output is electrically connected with the input of central processing unit respectively; Described detecting unit comprises temperature sensing circuit, current foldback circuit and the voltage detecting circuit that output is electrically connected with the input of central processing unit respectively; The input of described power supply unit and output are electrically connected with the output of central processing unit and electric-motor drive unit power input respectively; The output of described electric-motor drive unit is electrically connected with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062574.1U CN204425158U (en) | 2015-01-28 | 2015-01-28 | A kind of permanent magnet brushless direct current hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062574.1U CN204425158U (en) | 2015-01-28 | 2015-01-28 | A kind of permanent magnet brushless direct current hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204425158U true CN204425158U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520062574.1U Active CN204425158U (en) | 2015-01-28 | 2015-01-28 | A kind of permanent magnet brushless direct current hub motor |
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| CN (1) | CN204425158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011471A (en) * | 2016-11-02 | 2018-05-08 | 秦少峰 | Direct drive double wheel hub electric system |
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2015
- 2015-01-28 CN CN201520062574.1U patent/CN204425158U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011471A (en) * | 2016-11-02 | 2018-05-08 | 秦少峰 | Direct drive double wheel hub electric system |
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| GR01 | Patent grant |