CN204587212U - A kind of electric assisted bicycle moment sensing system and electric assisted bicycle - Google Patents
A kind of electric assisted bicycle moment sensing system and electric assisted bicycle Download PDFInfo
- Publication number
- CN204587212U CN204587212U CN201420872984.8U CN201420872984U CN204587212U CN 204587212 U CN204587212 U CN 204587212U CN 201420872984 U CN201420872984 U CN 201420872984U CN 204587212 U CN204587212 U CN 204587212U
- Authority
- CN
- China
- Prior art keywords
- rocking bar
- assisted bicycle
- electric assisted
- internally toothed
- toothed annulus
- Prior art date
- 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.)
- Active
Links
Landscapes
- Retarders (AREA)
Abstract
The utility model provides a kind of electric assisted bicycle moment sensing system and electric assisted bicycle, comprises internally toothed annulus 6, planet circular system 5, sun gear output shaft 2, pressure conversion device 9 and Signal Processing Element 8.Described internally toothed annulus 6, planet circular system 5, sun gear output shaft 2 engage successively, and wherein, described planet circular system 5 drives internally toothed annulus 6 to move, and by the pressure conversion device 9 at internally toothed annulus 6 edge, force signals is passed to Signal Processing Element 8.Described Signal Processing Element 8 converts force signals to electric signal transmission to controller, realizes torque-feedback.Therefore solve the inapplicable situation of morpet climbing hourly velocity sensor, this system architecture is simply compact in addition, and moment data stabilization is reliable, ensure that sense of reality when riding and traveling comfort.
Description
Technical field
The utility model relates to moment sensing system, particularly relates to a kind of electric assisted bicycle moment sensing system and electric assisted bicycle.
Background technology
Moped Scooter, refers to using storage battery as auxiliary energy on the basis of common compact car, has installed the vehicle of the electromechanical integration of the control members such as motor, controller, storage battery, handle, brake lever and display instrument system.Universal in enormous quantities electric assisted bicycle generally adopts speed sensor, due to collection is speed signal, stretcher is trampled faster motor and is exerted oneself larger, and this characteristic determines that the sensor of speed signal uses under being not suitable for low speed climbing situation, drives effect poor in climbing situation.
A new generation's sensor-based system adopts torque sensor, but what existing moment sensing system adopted is strain cover or strain-gauge structure, gather moment data by detecting the deflection of axis under pedal force effect, because the processing technology of strain cover is more complicated, conformability is comparatively difficult to ensure card, and tooling cost is high.Therefore, for existing moment sensing system, be necessary the reliability reducing its cost and torque signals.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of electric assisted bicycle moment sensing system and electric assisted bicycle.
According to a kind of electric assisted bicycle moment sensing system that the utility model provides, comprise the internally toothed annulus, planet circular system, sun gear output shaft, pressure conversion device and the Signal Processing Element that engage successively; Parts in described internally toothed annulus, planet circular system are as power input part, and another parts are as power output part; Described pressure conversion device, for accepting first application force imposed on of power output part, and is converted into the second application force in lever mode by the first application force.
Preferably, described pressure conversion device comprises rocking bar, retracing spring and locating dowel pin, and wherein, described rocking bar is with described locating dowel pin for fulcrum, matches with described power output part in one end, and the other end matches with described retracing spring.
Preferably, described pressure conversion device also comprises position limiting structure, and wherein, described position limiting structure is arranged on described retracing spring and orders about in the orientation that described rocking bar turns to, and is used for limiting the displacement of described rocking bar.
Preferably, one end of described rocking bar is meshed with power output part, and wherein, the first application force of power output part is by torsional interaction on one end of described rocking bar, and described rocking bar take locating dowel pin as the other end that moment is transmitted to rocking bar by fulcrum.
Preferably, the power arm of described rocking bar is greater than resistance arm.
Preferably, also comprise the Signal Processing Element be arranged near described pressure conversion device mouth, described Signal Processing Element comprises any one device following:
-force sensing resistance, particularly, the other end of described rocking bar imposes the second application force to described retracing spring, and gives described force sensing resistance by described retracing spring by described second force transmission;
-Hall element, particularly, the other end of described rocking bar applies the second application force to produce displacement to described retracing spring, and described Hall element is arranged on described rocking bar, and is positioned at the centre of two same sex magnet.
Preferably, described internally toothed annulus is as power output part, and described planet circular system is as power input part, and wherein, described planet circular system drives described internally toothed annulus to move.
Preferably, also comprise fixed support, wherein, described internally toothed annulus and described planet circular system are assemblied in described fixed support, and described Signal Processing Element is arranged on described fixed support, one end of described rocking bar and the edges co-operate of described internally toothed annulus.
Preferably, described internally toothed annulus as power input part, described planet circular system as power output part, wherein, the edges co-operate of one end of described rocking bar and the planet stent of described planet circular system.
Compared with prior art, the utility model has following beneficial effect:
1, the structure of electric boosted sensor-based system is compacter, and the torque transmitting between planet circular system and internally toothed annulus is reliable and stable.
2, substitute strain cover and strain-gauge by rocking bar control force sensing resistance or Hall element converted pressure signal, reduce productive costs, improve the conformability of signal.
3, efficiently solving electric assisted bicycle when climbing, utilizing and trampling the difficult problem that pressure determines output power of motor.
4, electric boosted sensor-based system can be widely used in different mechanical transmission structures, has range of use widely.
5, the electric assisted bicycle applying this system has experience of riding more really, adds the comfort of riding.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the front view of the utility model first embodiment;
Fig. 2 is the A-A cutaway view of the utility model first embodiment;
Fig. 3 is the partial enlarged view of pressure conversion device in the utility model first embodiment;
Fig. 4 is the schematic diagram of pressure conversion device in the utility model first embodiment;
Fig. 5 is the three-dimensional structure diagram of the utility model first embodiment;
Fig. 6 is the constructional drawing of the Signal Processing Element employing Hall element of the utility model second embodiment;
In figure:
1-axis
2-sun gear output shaft
3-clutch shaft bearing
4-second bearing
5-planet circular system
51-satellite gear
52-planet pin
53-planet stent
6-internally toothed annulus
7-fixed support
8-Signal Processing Element
9-pressure conversion device
91-locating dowel pin
92-rocking bar
93-retracing spring
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
As shown in Figures 1 to 4, be the electric boosted sensor-based system provided according to the utility model first embodiment, wherein, comprise axis 1, planet circular system 5, sun gear output shaft 2, internally toothed annulus 6, pressure conversion device 9, Signal Processing Element 8 and fixed support 7.Described axis 1 is as input shaft, described axis 1 is fixed together by spline structure with the planet stent 53 of described planet circular system 5, described axis 1 drives described planet circular system 5 to move, described planet circular system 5 and the relative motion of described sun gear output shaft 2, described internally toothed annulus 6 combines with described pressure conversion device 9 and the torque signal acted on described axis 1 is converted to pressure signal, pressure signal is converted to electric signal and is then transferred to controller by described Signal Processing Element 8, finally realizes torque-feedback.
Described fixed support 7 is provided with position limiting structure, is used for the displacement of limiting pressure transfer device 9, makes rocking bar 92 can get back to original position exactly under the effect of retracing spring 93.Rocking bar 92 can rotate between reset position and forced position, when being in reset position, described rocking bar 92 is propped up, when being in forced position by described position limiting structure, described rocking bar 92, away from described position limiting structure, forms gap between described rocking bar 92 and position limiting structure.
In figure 3, the block as described position limiting structure is positioned at the Power output arm side of rocking bar, and in a change case, described block can be positioned at the power input arm side of rocking bar, or lays respectively at power input arm and Power output arm side.
Described axis 1 is assembled together with described planet circular system 5, and described axis 1 is combined together by clutch shaft bearing 3 and the second bearing 4 with described sun gear output shaft 2, and described axis is as moment input shaft.
Described planet circular system 5 forms primarily of planetary wheel 51, planet pin 52 and planet stent 53, and described planet stent 53 is connected with axis 1 by spline structure.Described planetary wheel 51 is linked together by described planet pin 52 and described planet stent 53, and described planet stent 53 rotates together along with described axis 1, and the planetary wheel 51 on described planet stent 53 is relative with described sun gear output shaft 2 to be rotated.
Described pressure conversion device 9 comprises locating dowel pin 91, rocking bar 92 and retracing spring 93, rocking bar 92 with locating dowel pin 91 for fulcrum, match with described internally toothed annulus 6 in one end, the other end matches with described retracing spring 93, acts on described Signal Processing Element 8 on after being reduced in proportion by the application force of described internally toothed annulus 6 by lever principle.
As shown in Figure 3, described pressure signal processing element 8 is force sensing resistance, and the principle of force sensing resistance is pressure direct-detection, and pressure signal is converted to electric signal.Particularly, the other end of described rocking bar imposes the second application force to described retracing spring, and gives described force sensing resistance by described retracing spring by described second force transmission, and described force sensing resistance converts the second application force to electric signal.
The pressure conversion device principle of the electric booster system that the utility model first embodiment provides as shown in Figure 4, in figure, one end of rocking bar 92 is engaged with internally toothed annulus 6, when internally toothed annulus is subject to moment loading, one end that moment of torsion promotes described rocking bar 92 with locating dowel pin 91 for fulcrum; Reduce after application force through lever principle, the second application force acts on retracing spring 93 by the other end of rocking bar 92; Pressure is passed to force sensing resistance by described retracing spring.Preferably, internally toothed annulus 6 is provided with breach, and one end of described rocking bar 92 is inserted in described breach, thus realizes engagement.
What Fig. 6 showed is the second embodiment of the present utility model, second embodiment can be interpreted as a change case of above-mentioned first embodiment by those skilled in the art, the difference of itself and the first embodiment is, in a second embodiment, described pressure signal processing element 8 is Hall element, the principle of Hall element is displacement detecting, when structure is determined, moment of torsion and rocking bar 92 displacement are linear, by Hall element, rocking bar 92 displacement signal is converted to electric signal, indirectly realizes moment inspecting.Particularly, the other end of described rocking bar applies the second application force to produce displacement to described retracing spring, and Hall element converts described displacement to displacement signal, and wherein, described Hall element is arranged on described rocking bar, and is positioned at the centre of two same sex magnet.When described rocking bar motion, drive Hall element to move between magnet, therefore produce electro-motive force, electro-motive force, by being transferred to controller after process, realizes torque-feedback.Preferably, can using the zero position of described reset position as electro-motive force.
In sum, it is lower that the utility model provides a kind of productive costs, the electric assisted bicycle moment sensing system that signal is more stable and more truly comfortable electric assisted bicycle of riding.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (10)
1. an electric assisted bicycle moment sensing system, comprises the internally toothed annulus, planet circular system, the sun gear output shaft that engage successively, it is characterized in that:
Also comprise pressure conversion device, Signal Processing Element;
Parts in described internally toothed annulus, planet circular system are as power input part, and another parts are as power output part;
Described pressure conversion device, for accepting first application force imposed on of power output part, and is converted into the second application force in lever mode by the first application force.
2. electric assisted bicycle moment sensing system according to claim 1, it is characterized in that: described pressure conversion device comprises rocking bar, retracing spring and locating dowel pin, wherein, described rocking bar with described locating dowel pin for fulcrum, match with described power output part in one end, the other end matches with described retracing spring.
3. electric assisted bicycle moment sensing system according to claim 2, it is characterized in that: described pressure conversion device also comprises position limiting structure, wherein, described position limiting structure is arranged on described retracing spring and orders about in the orientation that described rocking bar turns to, and is used for limiting the displacement of described rocking bar.
4. electric assisted bicycle moment sensing system according to claim 2, it is characterized in that: one end of described rocking bar is meshed with power output part, wherein, first application force of power output part is by torsional interaction on one end of described rocking bar, and described rocking bar take locating dowel pin as the other end that moment is transmitted to rocking bar by fulcrum.
5. electric assisted bicycle moment sensing system according to claim 2, is characterized in that: the power arm of described rocking bar is greater than resistance arm.
6. electric assisted bicycle moment sensing system according to claim 2, is characterized in that: also comprise the Signal Processing Element be arranged near described pressure conversion device mouth, and described Signal Processing Element comprises any one device following:
-force sensing resistance, particularly, the other end of described rocking bar imposes the second application force to described retracing spring, and gives described force sensing resistance by described retracing spring by described second force transmission;
-Hall element, particularly, the other end of described rocking bar applies the second application force to produce displacement to described retracing spring, and described Hall element is arranged on described rocking bar, and is positioned at the centre of two same sex magnet.
7. electric assisted bicycle moment sensing system according to claim 6, is characterized in that: described internally toothed annulus is as power output part, and described planet circular system is as power input part, and wherein, described planet circular system drives described internally toothed annulus to move.
8. electric assisted bicycle moment sensing system according to claim 6, it is characterized in that: also comprise fixed support, wherein, described internally toothed annulus and described planet circular system are assemblied in described fixed support, described Signal Processing Element is arranged on described fixed support, one end of described rocking bar and the edges co-operate of described internally toothed annulus.
9. electric assisted bicycle moment sensing system according to claim 6, it is characterized in that: described internally toothed annulus is as power input part, described planet circular system as power output part, wherein, the edges co-operate of one end of described rocking bar and the planet stent of described planet circular system.
10. an electric assisted bicycle, is characterized in that, comprises the electric assisted bicycle moment sensing system according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872984.8U CN204587212U (en) | 2014-12-29 | 2014-12-29 | A kind of electric assisted bicycle moment sensing system and electric assisted bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872984.8U CN204587212U (en) | 2014-12-29 | 2014-12-29 | A kind of electric assisted bicycle moment sensing system and electric assisted bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204587212U true CN204587212U (en) | 2015-08-26 |
Family
ID=53923393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420872984.8U Active CN204587212U (en) | 2014-12-29 | 2014-12-29 | A kind of electric assisted bicycle moment sensing system and electric assisted bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204587212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843133A (en) * | 2014-12-29 | 2015-08-19 | 新安乃达驱动技术(上海)有限公司 | Electric power-assisted bicycle torque sensing system and electric power-assisted bicycle |
-
2014
- 2014-12-29 CN CN201420872984.8U patent/CN204587212U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843133A (en) * | 2014-12-29 | 2015-08-19 | 新安乃达驱动技术(上海)有限公司 | Electric power-assisted bicycle torque sensing system and electric power-assisted bicycle |
| WO2016107423A1 (en) * | 2014-12-29 | 2016-07-07 | 新安乃达驱动技术（上海）股份有限公司 | Electric power-assisted bicycle torque sensing system and electric power-assisted bicycle |
| CN104843133B (en) * | 2014-12-29 | 2017-10-20 | 新安乃达驱动技术（上海）股份有限公司 | A kind of electric assisted bicycle moment sensing system and electric assisted bicycle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104843133A (en) | Electric power-assisted bicycle torque sensing system and electric power-assisted bicycle | |
| CN202966568U (en) | Intelligent five-way device | |
| CN201201674Y (en) | Torque force detector of electric bicycle | |
| CN202175159U (en) | Torque sensing mechanism of electric bicycle | |
| WO2013109912A3 (en) | Utility vehicle with parallel operated internal combustion engine and electric motor drivetrains | |
| RU2010103976A (en) | VEHICLE METHOD | |
| AU2017290179A1 (en) | Torque sensor system, torque signal measuring method, electric power-assisted bicycle | |
| CN204587212U (en) | A kind of electric assisted bicycle moment sensing system and electric assisted bicycle | |
| CN202765086U (en) | Electric power steering system | |
| WO2010143987A1 (en) | Device for propelling vehicles | |
| CN202608570U (en) | Automatic control clutch operation mechanism of car | |
| CN104192106A (en) | Power-assisted brake pedal structure | |
| CN203372332U (en) | Bicycle | |
| CN209600478U (en) | Electric booster braking device with one-way clutch | |
| CN201963830U (en) | Power transmission buffer | |
| TWM531429U (en) | Torque sensor of power assisting bike | |
| WO2008080039A3 (en) | Transmission with resistance torque control | |
| CN206757930U (en) | A kind of automobile electric power-assisted steering teaching equipment | |
| CN201220731Y (en) | Front wheel double-drive head-controlled rear wheel steering bicycle | |
| CN107207072A (en) | The automatic speed-changing system of gear engagement is determined by the angular speed of driven pulley | |
| CN205047696U (en) | Mechanical type separation and reunion final controlling element | |
| CN103115118B (en) | Coaxial inner conductor double-planet train drives speed increaser | |
| CN109720325A (en) | Electric booster braking device with one-way clutch | |
| CN204623739U (en) | Bicycle with pedal | |
| TWI486281B (en) | Auxiliary vehicle power transmission system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201108 Minhang District City, Shanghai Road, No. 2060, 1-3 floor, 5 Patentee after: Xin'an Naida drive technology (Shanghai) Limited by Share Ltd Address before: 201108 Minhang District City, Shanghai Road, No. 2060, 1-3 floor, 5 Patentee before: Xinan Naida Drive Technology (Shanghai) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 201100 floor 1-2, block a, 19 Lane 133, Guangzhong Road, Minhang District, Shanghai Patentee after: Aneida drive technology (Shanghai) Co., Ltd Address before: 201108, Minhang District, Shanghai Garden Road No. 5, 2060, 1-3 Patentee before: Xin'an Naida drive technology (Shanghai) Limited by Share Ltd |
|
| CP03 | Change of name, title or address |