CN202414080U - Electric bicycle transmission system with speed sensing device - Google Patents
Electric bicycle transmission system with speed sensing device Download PDFInfo
- Publication number
- CN202414080U CN202414080U CN2011205615733U CN201120561573U CN202414080U CN 202414080 U CN202414080 U CN 202414080U CN 2011205615733 U CN2011205615733 U CN 2011205615733U CN 201120561573 U CN201120561573 U CN 201120561573U CN 202414080 U CN202414080 U CN 202414080U
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- sensing device
- speed sensing
- driving system
- electrical bicycle
- tape speed
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Abstract
The utility model relates to an electric bicycle transmission system with a speed sensing device, which comprises a motor, a motor shell, a reduction gearbox, a chain wheel, a first overrunning clutch, a second overrunning clutch, a hollow shaft, a central shaft, a rotary table and a Hall sensor, wherein the rotary table is fixedly installed on the central shaft; the Hall sensor and the motor shell are relatively fixed; the inner ring of the second overrunning clutch is fixedly connected with the central shaft; and the hollow shaft is sheathed on the central shaft and is connected with the motor shell by the bearing. In the electric bicycle transmission system with the speed sensing device, a proportional output signal is set by the controller according to the speed of manually treading a foot rest, and the motor driving force is output at the ratio. Therefore, the higher of the speed at which people thread the foot rest, the larger of the driving force output by the motor at the ratio, and the purpose of power assistance is realized.
Description
Technical field
The utility model belongs to the Electrical Bicycle field, is specifically related to a kind of Electrical Bicycle driving system of tape speed sensing device.
Background technology
Electrical Bicycle (motorized bicycle/electric bicycle); Be commonly called as and be battery-driven car, storage battery car; Be a kind of be a kind of vehicle of main energy sources with the storage battery; Its outward appearance is similar with Bicycles and Motorcycles, and outward appearance is similar with bicycle generally all has stretcher, chain, and the masterpiece of can choosing is an auxiliary power.
Electric bicycle motor has mainly adopted brush DC machine drive system and brshless DC motor drive system, also has few part to adopt AC induction motor drive system, switched reluctance machines drive system etc.
The utility model content
The purpose of the utility model is to realize power-assisted, and a kind of Electrical Bicycle driving system of tape speed sensing device is provided.
The Electrical Bicycle driving system of the described tape speed sensing device of the utility model; Comprise motor, motor housing, drop-gear box, sprocket wheel, first mono-directional overrun clutch, second mono-directional overrun clutch, hollow shaft, axis, rotating disk and Hall element; Wherein, said rotating disk is fixedly mounted on the said axis; Said Hall element and said motor housing relative fixed; The inner ring of said second mono-directional overrun clutch is captiveed joint with said axis; Said hollow shaft sleeve is contained on the said axis, is connected with said motor housing through bearing.
Further, said drop-gear box is made up of center external gear, center inner gear, planetary wheel, pinion carrier, and wherein, said center external gear is the input link of said drop-gear box, is fixed on the said hollow shaft; Said center inner gear is the output link of said drop-gear box, is connected with said motor housing through bearing, and captives joint with the outer ring and the said sprocket wheel of said second mono-directional overrun clutch; Said planetary wheel its center of gyration line relatively is rotationally connected, and is engaged between said center external gear and the said center inner gear; Said pinion carrier is captiveed joint with said motor housing.
Further, said planetary wheel is a double-planetary gear.
Further, said planetary wheel number is 1-3.
Further, said motor comprises motor coil and rotor, and wherein, said hollow shaft is connected through said first mono-directional overrun clutch with said rotor.
Further, said rotating disk upper edge circumference evenly is provided with magnet steel.
Further, the sensitive surface of said Hall element faces the said magnet steel surface on the said rotating disk.
Further, said magnet steel number is 6-10.
The Electrical Bicycle driving system of the described tape speed sensing device of the utility model is trampled the big or small preset proportion output signal of the speed of stretcher according to manpower through controller, realize output motor propulsive effort in proportion.Thereby the speed that manpower is trampled is high more, and the propulsive effort that motor is exported in proportion is big more, realizes power-assisted purpose.
Description of drawings
Fig. 1 is the Electrical Bicycle driving system scheme drawing of the tape speed sensing device of the utility model proposition;
Fig. 2 a and Fig. 2 b are under the Electrical Bicycle driveline state of the tape speed sensing device that proposes of the utility model, the scheme drawing of different position relations between the magnet steel on the rotating disk and the Hall element.
The specific embodiment
Below in conjunction with specific embodiment, the Electrical Bicycle driving system of the described a kind of tape speed sensing device of the utility model is done further to specify.
As shown in Figure 1; The Electrical Bicycle driving system of the described tape speed sensing device of the utility model; Comprise motor, motor housing 5, drop-gear box, sprocket wheel 8, first mono-directional overrun clutch 1, second mono-directional overrun clutch 10, hollow shaft 9, axis 11, rotating disk 15 and Hall element 12; Wherein, said rotating disk 15 is fixedly mounted on the said axis 11; Said Hall element 12 and said motor housing 5 relative fixed; The inner ring of said second mono-directional overrun clutch 10 is captiveed joint with said axis 11; Said hollow shaft 9 is sleeved on the said axis 11, is connected with said motor housing 5 through bearing.
As shown in Figure 1, said drop-gear box is made up of center external gear 2, center inner gear 7, planetary wheel 6, pinion carrier 14, and wherein, said center external gear 2 is the input link of said drop-gear box, is fixed on the said hollow shaft 9; Said center inner gear 7 is the output link of said drop-gear box, is connected with said motor housing 5 through bearing, and captives joint with the outer ring and the said sprocket wheel 8 of said second mono-directional overrun clutch 10; Said planetary wheel 6 relative its center of gyration lines are rotationally connected, and are engaged between said center external gear 2 and the said center inner gear 7; Said pinion carrier 14 is captiveed joint with said motor housing 5.
In order to increase reduction ratio, said planetary wheel preferably is set to compound planet gear.
As a kind of preferred version, said planetary wheel number is 1-3.Certainly, those skilled in the art also can be provided with said planetary gear type and quantity according to design demand flexibly.
Preferably, said motor comprises motor coil 3 and rotor 4, and wherein, said hollow shaft 9 is connected through said first mono-directional overrun clutch 1 with said rotor 4.
During pure driven by power; The mode of operation of the utility model is preferably: rotor 4 output torques; Driving hollow shaft 9 through first mono-directional overrun clutch 1 rotates; Drive the input block center external gear 2 of drop-gear box, through the deceleration of planetary wheel 6, center inner gear 7, output power drive sprocket 8.Because the effect of second mono-directional overrun clutch 10, driven by power can not drive stretcher through axis 11 and rotate, saved electric power.
When power-assisted is gone; The mode of operation of the utility model is preferably: stretcher is through axis 11; Through second mono-directional overrun clutch, 10 drive sprockets 8, axis 11 also drives rotating disk 15 rotations simultaneously, cooperates Hall element 12 to detect axis 11 rotating speed of stretcher just.
When pure manpower drives; The mode of operation of the utility model is preferably: (passing through controller this moment power cut) stretcher, drives car body and moves ahead through second mono-directional overrun clutch, 10 drive sprockets 8 through axis 11; Because the effect of first mono-directional overrun clutch 1; Manpower can not drive rotor 4 cutting magnetic lines, and is the same with ordinary bicycle basically, can not bring extra resistance.
Preferably, said rotating disk 15 upper edge circumference evenly are provided with magnet steel 13.
Preferably, the sensitive surface of said Hall element 12 faces said magnet steel 13 surfaces on the said rotating disk, to obtain impulse singla.
The preferred mode of operation of the utility model is: after manpower was stepped on axis 11, rotating disk 15 produced rotation.Shown in Fig. 2 a and Fig. 2 b, arrow is depicted as the rotating disk hand of rotation, and magnet steel 13 is shown A through Hall element 12 angles.Measure rotary magnetic steel 13 with Hall element 12; Every through a magnet steel 13, just obtain an impulse singla, in the time period of confirming, check pulse count; Can calculate the axis rotating speed (computer device can be realized with mcu programming) in this moment, just manpower is trampled the speed of stretcher.Controller is pressed the preset proportion output signal according to the size of this speed, realize output motor propulsive effort in proportion, thereby the speed that manpower is trampled is high more, and the propulsive effort that motor is exported in proportion is big more, plays power-assisted purpose.Because the effect of first mono-directional overrun clutch 1 and second mono-directional overrun clutch 10, driven by power, manpower drive and do not disturb mutually.
As a kind of preferred version, said magnet steel number is set to 6-10.Magnet steel quantity is many more, and range rate accuracy is high more.
In sum, the Electrical Bicycle driving system of the described tape speed sensing device of the utility model can realize power-assisted purpose along with foot-operated speed output motor propulsive effort in proportion.
The preferred embodiment that the above is merely the utility model is not the practical range that is used for limiting the utility model; If do not break away from the spirit and the scope of the utility model, the utility model is made amendment or is equal to replacement, all should be encompassed in the middle of the protection domain of claim of the utility model.
Claims (8)
1. the Electrical Bicycle driving system of a tape speed sensing device; It is characterized in that; Comprise motor, motor housing, drop-gear box, sprocket wheel, first mono-directional overrun clutch, second mono-directional overrun clutch, hollow shaft, axis, rotating disk and Hall element, wherein
Said rotating disk is fixedly mounted on the said axis;
Said Hall element and said motor housing relative fixed;
The inner ring of said second mono-directional overrun clutch is captiveed joint with said axis;
Said hollow shaft sleeve is contained on the said axis, is connected with said motor housing through bearing.
2. the Electrical Bicycle driving system of tape speed sensing device according to claim 1 is characterized in that, said drop-gear box is made up of center external gear, center inner gear, planetary wheel, pinion carrier, wherein,
Said center external gear is the input link of said drop-gear box, is fixed on the said hollow shaft;
Said center inner gear is the output link of said drop-gear box, is connected with said motor housing through bearing, and captives joint with the outer ring and the said sprocket wheel of said second mono-directional overrun clutch;
Said planetary wheel its center of gyration line relatively is rotationally connected, and is engaged between said center external gear and the said center inner gear;
Said pinion carrier is captiveed joint with said motor housing.
3. the Electrical Bicycle driving system of tape speed sensing device according to claim 2 is characterized in that, said planetary wheel is a double-planetary gear.
4. the Electrical Bicycle driving system of tape speed sensing device according to claim 2 is characterized in that, said planetary wheel number is 1-3.
5. the Electrical Bicycle driving system of tape speed sensing device according to claim 1 is characterized in that said motor comprises motor coil and rotor, wherein,
Said hollow shaft is connected through said first mono-directional overrun clutch with said rotor.
6. the Electrical Bicycle driving system of tape speed sensing device according to claim 1 is characterized in that, said rotating disk upper edge circumference evenly is provided with magnet steel.
7. the Electrical Bicycle driving system of tape speed sensing device according to claim 6 is characterized in that, the sensitive surface of said Hall element faces the said magnet steel surface on the said rotating disk.
8. the Electrical Bicycle driving system of tape speed sensing device according to claim 6 is characterized in that, said magnet steel number is 6-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205615733U CN202414080U (en) | 2011-12-29 | 2011-12-29 | Electric bicycle transmission system with speed sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205615733U CN202414080U (en) | 2011-12-29 | 2011-12-29 | Electric bicycle transmission system with speed sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202414080U true CN202414080U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205615733U Expired - Fee Related CN202414080U (en) | 2011-12-29 | 2011-12-29 | Electric bicycle transmission system with speed sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202414080U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514676A (en) * | 2011-12-29 | 2012-06-27 | 苏州博菲利电动科技有限公司 | Electric bicycle transmission system with speed sensing device |
| CN111478515A (en) * | 2020-05-07 | 2020-07-31 | 无锡川克智能电机有限公司 | Outer rotor type middle-placed motor for electric power-assisted vehicle |
| CN111516795A (en) * | 2020-04-30 | 2020-08-11 | 常州洪记两轮智能交通工具有限公司 | Middle motor for electric power-assisted vehicle |
-
2011
- 2011-12-29 CN CN2011205615733U patent/CN202414080U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514676A (en) * | 2011-12-29 | 2012-06-27 | 苏州博菲利电动科技有限公司 | Electric bicycle transmission system with speed sensing device |
| CN111516795A (en) * | 2020-04-30 | 2020-08-11 | 常州洪记两轮智能交通工具有限公司 | Middle motor for electric power-assisted vehicle |
| CN111478515A (en) * | 2020-05-07 | 2020-07-31 | 无锡川克智能电机有限公司 | Outer rotor type middle-placed motor for electric power-assisted vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAICANG YUEBO MOTOR TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SUZHOU BOFEILI ELECTRIC TECHNOLOGY CO., LTD. Effective date: 20130912 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130912 Address after: 215400 Taicang Jiangsu Economic Development Zone, Qingdao West Road, room 38, No. 301, room Patentee after: Taicang Yuebo Electric Technology Co., Ltd. Address before: 215400 Taicang Economic Development Zone, Jiangsu, Beijing West Road, No. 6, No. Patentee before: Suzhou Bofeili Electric Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20201229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |