CN209305765U - A kind of torque detection transmission device and electric booster system - Google Patents
A kind of torque detection transmission device and electric booster system Download PDFInfo
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- CN209305765U CN209305765U CN201822172449.2U CN201822172449U CN209305765U CN 209305765 U CN209305765 U CN 209305765U CN 201822172449 U CN201822172449 U CN 201822172449U CN 209305765 U CN209305765 U CN 209305765U
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Abstract
The utility model relates to electric boosted technical field more particularly to a kind of torque detection transmission devices and electric booster system.Torque provided by the utility model detects transmission device, by the interior star-wheel of freewheel clutch integrally formed with voussoir driving cog, motor drive tooth and chain wheel driving cog, to realize electric boosted driving；Pass through the cooperation of freewheel clutch and axle sleeve, to realize the transmission of manpower, in addition, by the cooperation of transmission shaft and axle sleeve to realize the rotation of axle sleeve and generate micro movement in the axial direction, to make axle sleeve generate an axial force to detection components, to realize the detection to the axial force of axle sleeve.The torque detect transmission structures it is simple, under the premise of guaranteeing detection and transmission agency, components can be simplified, be easily installed.Electric booster system provided by the utility model detects transmission device by the above-mentioned torque of application, and structure is simple, is easily installed.
Description
Technical field
The utility model relates to electric boosted technical field more particularly to a kind of torque detection transmission devices and electric boosted
System.
Background technique
Moped Scooter can be by sensor technology, and real-time perception bicyclist steps on foot-operated dynamics, according to the big of manpower
It is small to be judged, and then understand the intention of riding of bicyclist, corresponding power support is provided in the way of different proportion.Traditional
Electric assisted bicycle is largely to be converted to axial displacement by the torque for generating pedal force, with Hall sensor check bit
It sets variation and realizes measurement torque, its structure is complicated, and elastic component is easy exhaustion creep influence detection accuracy.Also have and directly passing
Strain measurement shear strain is used on power axis, is output to signal from transmission shaft biography by conducting slip ring or wireless induction technology
Controller, resolution circuitry is complicated, conducting slip ring poor reliability, is wirelessly transferred and there is certain realization hardly possible by power consumption limit
Degree.
Torque in the prior art detects transmission device, helps as one kind disclosed in patent CN201810705188.8 is electronic
Force bike torque transmission device, the device include the first freewheel clutch being arranged on transmission shaft, the second freewheel clutch,
Interior helical teeth ring, outer helical teeth ring, transmission cover for seat, driven gear, sensing pressure ring and sensor.Moment inspecting process are as follows: pedal force drives
Dynamic transmission shaft rotation, and make interior helical teeth ring that torsion is passed to outer helical teeth ring under the action of the first freewheel clutch, to make
The dynamic sensing pressure ring of outer helical teeth annulus generates axial compressive force to sensor by ball, and the force signal being subject to is passed to control by sensor
Device processed exports different torques to control.Manpower transmission process are as follows: then foot-operated power drive transmission shaft rotation passes sequentially through
Matching relationship between first freewheel clutch, interior helical teeth ring, outer helical teeth ring, sensing tabletting, transmission cover for seat and driven gear,
Driven gear rotation is driven, to rotate with movable chain wheel.The apparatus structure is complicated, components cooperation is more, is not easy to install, and
If there is cooperation accuracy decline at one, it will influence detection and the transmission accuracy of whole device.
It would therefore be highly desirable to need a kind of structure is simple, is easily installed torque detection transmission device to solve the above problems.
Utility model content
One of the utility model is designed to provide a kind of torque detection transmission device, and structure is simple, is guaranteeing to detect
Under the premise of transmission agency, components can be simplified, be easily installed.
Another of the utility model is designed to provide a kind of electric booster system, is passed by application above-mentioned torque detection
Dynamic device, structure is simple, is easily installed.
To achieve the above object, the following technical schemes are provided:
A kind of torque detection transmission device, comprising:
The transmission shaft and axle sleeve matched, the transmission shaft can drive the axle sleeve rotation and movement；
Freewheel clutch, including interior star-wheel, voussoir and the outer ring matched, the interior star-wheel is set in the transmission shaft
On, and integrally formed with voussoir driving cog, motor drive tooth and chain wheel driving cog on the outer wall of the interior star-wheel, the voussoir is set
It sets between the voussoir driving cog and the outer ring, the outer ring is set on the axle sleeve, and is passed through directly with the axle sleeve
Tooth connection；
Detection components, for detecting the axial force of the axle sleeve.
Further, outer helical teeth is provided on the outer wall of the transmission shaft, be provided on the inner wall of the axle sleeve with it is described
The interior helical teeth that outer helical teeth matches.
It further, further include shell, the detection components include supporter and the sensing that is arranged on the supporter
Device, the neighboring of the supporter are fixed on the housing.
Further, the supporter is set on the transmission shaft, and with the transmission shaft gap setting.
Further, several cantilevers are set up the week of the supporter, the sensor is arranged on the cantilever.
Further, three cantilevers are uniformly distributed along the circumferential direction of the supporter.
Further, transmission transitioning component is provided between the supporter and the axle sleeve.
Further, the transmission transitioning component includes inner ring, outer ring and setting between the inner ring and the outer ring
Ball, the transmission shaft is able to drive inner ring rotation, and the outer ring is fixed on the supporter.
Further, the transmission transitioning component is bearing.
A kind of electric booster system, including torque as described above detect transmission device.
Compared with prior art, the utility model has the following beneficial effects:
Torque provided by the utility model detects transmission device, by the interior star-wheel of freewheel clutch integrally formed with
Voussoir driving cog, motor drive tooth and chain wheel driving cog, to realize electric boosted driving；Pass through matching for freewheel clutch and axle sleeve
It closes, to realize the transmission of manpower, in addition, by the cooperation of transmission shaft and axle sleeve to realize the rotation of axle sleeve and produce in the axial direction
Raw micro movement, to make axle sleeve generate an axial force to detection components, to realize the detection to the axial force of axle sleeve.It should
Torque detect transmission structures it is simple, under the premise of guaranteeing detection and transmission agency, components can be simplified, convenient for peace
Dress.Electric booster system provided by the utility model detects transmission device by the above-mentioned torque of application, and structure is simple, is convenient for peace
Dress.
Electric booster system provided by the utility model detects transmission device by the above-mentioned torque of application, and structure is simply, just
In installation.
Detailed description of the invention
It, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to the content of the utility model embodiment and these attached drawings.
Fig. 1 is the structural schematic diagram that torque provided by the utility model detects transmission device；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A；
Fig. 3 is the cross-sectional view in Fig. 1 at B-B；
Fig. 4 is the cross-sectional view in Fig. 1 at C-C；
Fig. 5 is the structural schematic diagram of transmission shaft provided by the utility model；
Fig. 6 is the structural schematic diagram of electric booster system provided by the utility model.
Appended drawing reference:
1- transmission shaft；The outer helical teeth of 11-；
2- axle sleeve；
3- freewheel clutch；Star-wheel in 31-；311- voussoir driving cog；312- motor drive tooth；313- chain wheel driving cog；
32- voussoir；33- outer ring；
4- supporter；41- cantilever；
5- is driven transitioning component；51- inner ring；The outer ring 52-；53- ball；
6- motor output shaft；
7- driving gear component；
8- shell.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing and pass through
Specific embodiment further illustrates the technical solution of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "vertical", " water
It is flat ", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings or this product
The orientation or positional relationship usually put when use is merely for convenience of description the utility model, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
As shown in Figs. 1-2, it present embodiments provides a kind of torque detection transmission device, including transmission shaft 1, axle sleeve 2, surmounts
Clutch 3 and detection components.It is matched by transmission shaft 1 and axle sleeve 2, propeller shaft sleeve 2 rotates, and passes through axle sleeve 2 and overdrive clutch
The transmission of manpower pedal power is realized in the cooperation of device 3, by the cooperation of freewheel clutch and the transmission component 7 of motor, is realized electronic
The transmission of power-assisted.In addition, transmission shaft 1 can also propeller shaft sleeve 2 be axially moveable, make axle sleeve 2 to detection components apply an axis
Xiang Li, detection components detect the size of the axial force.Driving torque suffered by the axial force and transmission shaft has certain magnitude relation,
To enable the axial force measured by detection components to reflect the size of torque indirectly, to realize that torque detects.It needs
Bright, axial movement herein is the micro movement in the axially direction of axle sleeve 2.The torque detects transmission structures letter
Singly, under the premise of guaranteeing detection and transmission agency, components can be simplified, be easily installed.
Specifically, freewheel clutch 3 includes interior star-wheel 31, voussoir 32 and the outer ring 33 matched, wherein 33 sets of outer ring
It is located on axle sleeve 2, and is connect with axle sleeve 2 by straight-tooth, when foot-operated power drive transmission shaft 1 rotates so that axle sleeve 2 rotates, axle sleeve
2 are able to drive the rotation of outer ring 33, then by the cooperation of voussoir 32 and interior star-wheel 31 so that interior star-wheel 31 rotates, to realize people
The transmission of power drive.
Further, interior star-wheel 31 is set on transmission shaft 1, and is driven on the outer wall of interior star-wheel 31 integrally formed with voussoir
Tooth 311, motor drive tooth 312 and chain wheel driving cog 313.Wherein, voussoir driving cog 311 matched with voussoir 32 and outer ring 33 with
The transmission and separation of power are realized, specifically, outer ring 33 can be driven to rotate, and energy when the rotation of foot-operated power drive transmission shaft 1
Enough that power is transferred on interior star-wheel 31, so that interior star-wheel 31 be made to rotate, i.e., chain wheel driving cog 313 rotates, electronic to drive
Vehicle using motor advances；And when motor driven motor drive tooth 312 rotates, the rotation of interior star-wheel 31 cannot be transferred on outer ring 33,
That is the transmission separation function of freewheel clutch 3, to avoid electric boosted influence bicyclist.
Specifically, as shown in connection with fig. 6 such as Fig. 2, motor output shaft 6 is matched with driving gear component 7, the transmission of motor
Gear assembly 7 is matched with motor drive tooth 312, to realize that motor driven motor drive tooth 312 rotates, to make interior star-wheel 31
Rotation, chain wheel driving cog 313 is matched with the chain wheel of Moped Scooter, to drive the chain of Moped Scooter to rotate, thus real
Existing electric drive.
It should be noted that freewheel clutch 3 provided in this embodiment, as shown in figure 3, passing through the voussoir on interior star-wheel 31
The cooperation of driving cog 311, voussoir 32 and outer ring 33, when can be realized manpower transmission, it is outer that the rotation of outer ring 33 is connected to voussoir 32
In the card slot of 33 inner wall of ring, outer ring 33 and 31 wedging of interior star-wheel are close, so as to drive interior star-wheel 31 to rotate；Electric Drive
When, interior star-wheel 31 rotates, and voussoir 32 cannot be connected in the card slot on 33 inner wall of outer ring, to keep interior star-wheel 31 and outer ring 33 de-
From cooperation, to realize that interior star-wheel 31 rotates, outer ring 33 is not rotated.
In the present embodiment, transmission shaft 1 can be crank axle or other can be using the axis on dynamic Moped Scooter
Part, as long as can play the role of transmission shaft 1 can play in the present embodiment.As shown in figure 4, axle sleeve 2 and surmount from
The outer ring 33 of clutch 3 is connected using spline, i.e., straight-tooth is cooperatively connected, and axle sleeve 2 being capable of being axially facing relative to freewheel clutch 3
Direction far from freewheel clutch 3 is mobile, allows certain gap between axle sleeve 2 and detection components in the axial direction, for mending
Installation error is repaid, is shaken in ride in order to prevent, an elastic component can be increased in axial gap, gives axle sleeve 2
It pre-tightens.
Optionally, as shown in connection with fig. 2 such as Fig. 4, torque detection transmission device provided in this embodiment further includes shell 8, inspection
Surveying component includes the supporter 4 being arranged on shell 8, is provided with sensor on supporter 4.In the present embodiment, sensor is
A part of strain transducer, supporter 4 is arranged on shell 8, is formed between 4 entirety of supporter and shell 8 and is similar to cantilever
The structure of beam, the i.e. neighboring of supporter 4 are fixed on shell 8, and the intermediate position of supporter 4 is hanging, when the axis of axle sleeve 2
When oppressing the intermediate position of supporter 4 to power, flexible deformation can occur for supporter 4, and strain transducer is able to detect branch at this time
The deflection of support body 4, to obtain axle sleeve 2 to the axial force of supporter 4.In other embodiments, sensor can also be pressure
Force snesor can measure axle sleeve 2 to the pressure of supporter 4, to obtain the axial force of axle sleeve 2.Certainly, sensor and unlimited
The sensor for the both types mentioned in this article, sensor can also be that other are able to detect the strain of supporter 4 or straight
The electric elements for connecing the axial compressive force of detection axle sleeve 2, no longer illustrate one by one herein.
Preferably due to which axle sleeve 2 is set on transmission shaft 1, for the ease of accurately detecting axle sleeve 2 to the axial direction of supporter 4
Supporter 4 is set on transmission shaft 1 by power, and transmission shaft 1 can be rotated relative to supporter 4, at this point, all sides of axle sleeve 2
Edge can act on the upper of supporter 4, in order to sensor detection, improve detection accuracy.
Optionally, in order to increase the deflection in same stress lower support 4, several cantilevers 41 are set on supporter 4,
It specifically can be, three cantilevers 41 are uniformly distributed along the circumferential direction of supporter 4, and three cantilevers 41 are arranged on shell 8, supporter 4
To be discoid, supporter 4 and cantilever 41 constitute cantilever beam structure, and the upper surface of cantilever 41, two sides is arranged in strain transducer
Face, and/or the back side, in the hope of accurately measuring the axial force of axle sleeve 2.Certainly, the number of cantilever 41 can also be that 4,5,6,7,8 etc. is more
It is a, the structure size of transmission device can be detected according to torque and the structure size of supporter 4 is designed, it is not another herein
One illustrates.
Illustratively, in order to guarantee that axial force can be uniformly and stably transmitted on supporter 4 by the axle sleeve 2 of rotation,
Transmission transitioning component 5 is provided between supporter 4 and axle sleeve 2.Specifically, transmission transitioning component 5 includes inner ring 51, outer ring 52
And the ball 53 being arranged between inner ring 51 and outer ring 52, inner ring 51 are set on transmission shaft 1, and in transmission shaft 1 is able to drive
51 rotation of circle, under the action of ball 53, outer ring 52 can keep stabilization not rotate, and outer ring 52 is abutted against with supporter 4, from
And the axial force of axle sleeve 2 can be uniformly and stably transmitted on supporter 4.Preferably, outer ring 52, which can also be, is fixed on branch
On support body 4, prevents transmission transitioning component 5 from cannot keep stablizing on transmission shaft 1 due to moving left and right for axle sleeve 2, cause to pass
Dynamic transitioning component 5 is frequently mobile, to make to be driven the abrasion of transitioning component 5, reduces the service life.
Wherein, transmission transitioning component 5 can be directly used the thrust bearing of standard or can bear axial force to mandrel
It holds, and bearing has gap to separate with transmission shaft 1, guarantees that transmission transitioning component 5 is not influenced by 1 stress deformation of transmission shaft.Wherein
Outer ring 52 is static to be fixed on supporter 4.
As shown in connection with fig. 2 such as Fig. 5, there is outer helical teeth 11 outside transmission shaft 1, there is interior helical teeth, the rotation of transmission shaft 1 inside axle sleeve 2
Turn, by worm drive, propeller shaft sleeve 2 rotates, while making axle sleeve 2 along the axial movement of transmission shaft 1, compresses transmission transitioning component
5, transmission transitioning component 5 can follow axle sleeve 2 to rotate, while being driven transitioning component 5 and compressing supporter 4, extremely by axial force transmission
On supporter 4, supporter 4 is made to generate bending deformation, posting strain transducer on supporter 4 can detecte out corresponding strain,
And signal is passed to controller, real-time calculated torque, and control motor power-assisted ratio, outside axle sleeve 2 by spline and surmount from
The outer ring 33 of clutch 3 connects.Torque is passed to axle sleeve 2 by transmission shaft 1 by pedal force, and axle sleeve 2 passes through freewheel clutch 3 for torque
Output shaft is passed to, while having driven gear on output shaft, motor power-assisted passes through output shaft together with manpower and exports to chain wheel.
It should be noted that the signal of the axial force measured can be passed to torque detection transmission device by detection components
Controller, controller can real-time calculated torque, and the ratio of motor power-assisted is controlled, to realize that electric booster system being capable of basis
The electric boosted size of the intention real-time control of bicyclist.In addition, the size of the helical angle of helical teeth determines same torque lower axle
Cover the size of the axial force of 2 pairs of detection components, wherein the relationship of driving torque T and helical teeth helixangleβ are as follows:
Wherein, driving torque T, helical angle β, normal profile angle αn, circumference tangential force Ft, axial thrust load Fa, radial
Component Fr, d is reference diameter.
As shown in fig. 6, the present embodiment additionally provides a kind of electric booster system, pass through application above-mentioned torque detection transmission dress
It sets, structure is simple, is easily installed.Motor output shaft 6 is matched with driving gear component 7, the driving gear component 7 and electricity of motor
Machine driving cog 312 matches, to realize that motor driven motor drive tooth 312 rotates, so that interior star-wheel 31 is rotated, chain wheel transmission
Tooth 313 is matched with the chain wheel of Moped Scooter, to drive the chain of Moped Scooter to rotate, to realize electric drive.
In order to facilitate understanding, torque detection transmission operation principle and the course of work provided in this embodiment are as follows:
A kind of torque detection transmission device is present embodiments provided, it is real by the elastic bending deflection for detecting elastic structure
Now ride the measurement of torque.
Torque detection process: pass through helical teeth internal messing between transmission shaft 1 and axle sleeve 2, the i.e. mode of worm drive, drive shaft
Set 2 generates an axial force, and compresses transmission transitioning component 5, and the inner ring 51 of transmission transitioning component 5 can be with axle sleeve 2 together
Rotation, and the outer ring 52 for being driven transitioning component 5 does not rotate to generate a stable axial force to supporter 4, supporter 4 it is outer
Circumferential edges are fixed on shell 8, and are equipped with strain transducer on supporter 4, for detecting the deformation of supporter 4, to count
Calculate the size of axial force.Because the size of axial force is determined by the size and helical teeth helical angle of pedal moment, can be into one
Step calculates the size of pedal moment.
Manpower transmission process: pass through helical teeth internal messing between transmission shaft 1 and axle sleeve 2, the i.e. mode of worm drive, drive shaft
The outer ring 33 of 2 rotation of set, axle sleeve 2 and freewheel clutch 3 is cooperated by straight-tooth, to drive the interior star-wheel 31 of freewheel clutch 3
It rotates, integrally formed with chain wheel driving cog 313 on interior star-wheel 31, to drive electric boosted chain wheel to rotate, so that electronic help
The chain of power vehicle rotates, and realizes manpower transmission.
Electric boosted transmission process:, can integrally formed with motor drive tooth 312 on the interior star-wheel 31 of freewheel clutch 3
It is matched with the driving gear component 7 of motor, controller controls the output revolving speed of motor according to the torque detected, to drive
Dynamic motor drive tooth 312 rotates, even if interior star-wheel 31 rotates, so that chain wheel rotation be made to drive chain rotation, realizes electric boosted
Transmission.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment mentioned here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of torque detects transmission device characterized by comprising
The transmission shaft (1) and axle sleeve (2) matched, the transmission shaft (1) can drive the axle sleeve (2) to rotate and move along axis
It is dynamic；
Freewheel clutch (3), including the interior star-wheel (31), voussoir (32) and outer ring (33) matched, interior star-wheel (31) set
It is located on the transmission shaft (1), and is passed on the outer wall of the interior star-wheel (31) integrally formed with voussoir driving cog (311), motor
Movable tooth (312) and chain wheel driving cog (313), the voussoir (32) are arranged in the voussoir driving cog (311) and the outer ring
(33) between, the outer ring (33) is set on the axle sleeve (2), and is connect with the axle sleeve (2) by straight-tooth；
Detection components, for detecting the axial force of the axle sleeve (2).
2. torque according to claim 1 detects transmission device, which is characterized in that set on the outer wall of the transmission shaft (1)
It is equipped with outer helical teeth (11), the interior helical teeth matched with the outer helical teeth (11) is provided on the inner wall of the axle sleeve (2).
3. torque according to claim 1 detects transmission device, which is characterized in that further include shell (8), the detection group
Part includes the sensor of supporter (4) and setting on the supporter (4), and the neighboring of the supporter (4) is fixed on
On the shell (8).
4. torque according to claim 3 detects transmission device, which is characterized in that the supporter (4) is set in described
On transmission shaft (1), and with the transmission shaft (1) gap setting.
5. torque according to claim 4 detects transmission device, which is characterized in that set in the circumferential direction of the supporter (4)
Several cantilevers (41) are set, the sensor is arranged on the cantilever (41).
6. torque according to claim 5 detects transmission device, which is characterized in that three cantilevers (41) are along the branch
The circumferential direction of support body (4) is uniformly distributed.
7. detecting transmission devices according to the described in any item torques of claim 3~6, which is characterized in that the supporter (4) and
Transmission transitioning component (5) is provided between the axle sleeve (2).
8. torque according to claim 7 detects transmission device, which is characterized in that the transmission transitioning component (5) includes
Inner ring (51), outer ring (52) and the ball (53) being arranged between the inner ring (51) and the outer ring (52), the transmission shaft
(1) it is able to drive the inner ring (51) rotation, the outer ring (52) is fixed on the supporter (4).
9. torque according to claim 8 detects transmission device, which is characterized in that the transmission transitioning component (5) is to push away
Power bearing or radial bearing.
10. a kind of electric booster system, which is characterized in that detect and be driven including torque as described in any one of claims 1 to 9
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822172449.2U CN209305765U (en) | 2018-12-24 | 2018-12-24 | A kind of torque detection transmission device and electric booster system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822172449.2U CN209305765U (en) | 2018-12-24 | 2018-12-24 | A kind of torque detection transmission device and electric booster system |
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| CN209305765U true CN209305765U (en) | 2019-08-27 |
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| CN201822172449.2U Active CN209305765U (en) | 2018-12-24 | 2018-12-24 | A kind of torque detection transmission device and electric booster system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595655A (en) * | 2019-10-22 | 2019-12-20 | 广东高标电子科技有限公司 | Electric bicycle torque detection device and electric bicycle |
| CN111169588A (en) * | 2020-01-06 | 2020-05-19 | 安乃达驱动技术(上海)股份有限公司 | Moment pedal frequency sensor suitable for electric power-assisted bicycle |
| CN112623099A (en) * | 2020-12-23 | 2021-04-09 | 布鲁莱斯(太仓)电动科技有限公司 | Power control system and method for electric bicycle |
| CN115158523A (en) * | 2022-06-07 | 2022-10-11 | 深圳市大鱼智行科技有限公司 | Power assisting device of electric bicycle with middle-arranged motor |
-
2018
- 2018-12-24 CN CN201822172449.2U patent/CN209305765U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595655A (en) * | 2019-10-22 | 2019-12-20 | 广东高标电子科技有限公司 | Electric bicycle torque detection device and electric bicycle |
| CN111169588A (en) * | 2020-01-06 | 2020-05-19 | 安乃达驱动技术(上海)股份有限公司 | Moment pedal frequency sensor suitable for electric power-assisted bicycle |
| CN112623099A (en) * | 2020-12-23 | 2021-04-09 | 布鲁莱斯(太仓)电动科技有限公司 | Power control system and method for electric bicycle |
| CN115158523A (en) * | 2022-06-07 | 2022-10-11 | 深圳市大鱼智行科技有限公司 | Power assisting device of electric bicycle with middle-arranged motor |
| CN115158523B (en) * | 2022-06-07 | 2024-03-01 | 深圳市大鱼智行科技有限公司 | Electric bicycle booster unit with centrally-mounted motor |
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