CN101782446B - Rear axle housing type torque sensing device of intelligent electric bicycle - Google Patents
Rear axle housing type torque sensing device of intelligent electric bicycle Download PDFInfo
- Publication number
- CN101782446B CN101782446B CN2010101305846A CN201010130584A CN101782446B CN 101782446 B CN101782446 B CN 101782446B CN 2010101305846 A CN2010101305846 A CN 2010101305846A CN 201010130584 A CN201010130584 A CN 201010130584A CN 101782446 B CN101782446 B CN 101782446B
- Authority
- CN
- China
- Prior art keywords
- housing
- groove
- rear axle
- sensing device
- axle housing
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a rear axle housing type torque sensing device of an intelligent electric bicycle, which comprises an installation housing and a floating axle housing, wherein the floating axle housing is suspended in the installation housing; slots are arranged on the upper side and the lower side of the middle part of the installation housing; ring-shaped nuts are screwed on the excircle at the outer end of the installation housing; when the ring-shaped nuts are jammed, the installation housing is fixed with a fixing groove and a rear bridge sheet of a frame via the slots; the floating axle housing is provided with an axle hole for inserting a rear axle; an arc-shaped spring leaf and a displacement sensing device are mounted between the floating axle housing and the installation housing; a rolling body for suspending the floating axle housing is mounted between the housing wall of the floating axle housing and the housing wall of the installation housing; and the arc-shaped spring leaf is mounted in the groove of the installation housing, wherein one end of the arc-shaped spring leaf is fixed in the groove, and the other end thereof is in contact with the excircle of the floating axle housing and in non-contact with the lateral wall of the groove. The rear axle housing type torque sensing device of the invention has the advantage of compact structure; the rear axle housing type torque sensing device is capable of converting the pedaling force into the displacement between magnetic steel and Hall elements, thus generating and outputting electrical signals to a controller capable of adjusting the output size and further achieving the effect of intelligent power assistance.
Description
Technical field
The present invention relates to a kind of sensing device, specifically belong to a kind of rear axle housing type torque sensing device of intelligent electric bicycle.
Background technology
In recent years, electric bicycle is accepted by consumers in general gradually as a kind of environmental protection, the energy-conservation vehicles, no matter still external at home, electric bicycle sales volume is worldwide also increasing year by year, and the trend that electric bicycle substitutes bicycle progressively enlarges.
Domestic electric bicycle is based on pure electric vehicle at present, American-European countries is then based on Moped Scooter, domestic each tame electric motor car manufacturer, universities and colleges are also at the research and development intelligent electric bicycle, but can accomplish that from real intellectuality, commercialization also have a segment distance, being that versatility is poor on the one hand, is that cost is too high on the other hand.The electric bicycle of so-called band Based Intelligent Control is exactly the intelligent vehicle that we say usually, just our Power Assistant System (power assist system) of saying; Therefore, our the common intelligent vehicle of saying is exactly a kind of electric bicycle of dynamic subsidiary function.
In order to reach the purpose of " intelligence ", the designer of China and foreign countries has carried out number of research projects, and the height, human body of wishing size, the speed in frequency of foot-operated power when riding according to us satisfies people's purpose to start and the time requirement of coastiong etc.Good intelligent vehicle should be to be excellent with the moment sensing formula at first in principle; This sensor-based system detects people's " wish " for foot-operated afterburning size by the people, and promptly the explanation people thinks reinforcing when the people presses down with the foot, and moment sensing system can detect this people's " wish ", control the output power of motor by controller.What the intelligent vehicle that also has adopted is the velocity pick-up mode: (mechanical type, electromagnetic type) the number motor pulses, that detect the rotation number of turns, and these " intelligent vehicle " someone are them " false intelligence ", this is because it has the function of power-assisted, but correctly do not react people " wish ", say that definitely it is reinforcing when speed is arranged, not afterburning during no speed; So when the people is with thing, when going up a slope, when riding against the wind because speed is low, its reinforcing also idea with regard to little and people is fully opposite.Therefore, this car is not intelligent vehicle but the afterburning electric motor car that acts on is arranged.
State Intellectual Property Office of the People's Republic of China announced a key name and was called " rear axle housing type torque sensing device of intelligent electric bicycle " on February 3rd, 2010, the patent No. is " ZL200920142384.5 ", notification number is the utility model patent of " CN201397211Y ", its content is: a kind of rear axle housing type torque sensing device of intelligent electric bicycle, this device comprises installing plate, the outside of installing plate is outward extended with installation sleeve, the slotted hole that the center of installing plate and installation sleeve is through with, the both sides up and down of the inner cylindrical of installation sleeve are equipped with draw-in groove, installation sleeve can be embedded in the pickup groove on the vehicle frame back axle sheet (hook), the outer end cylindrical of installation sleeve is provided with screw thread and is spirally connected with nut, when nut is also tight, installing plate, installation sleeve and vehicle frame back axle sheet (hook) are fixing, be inserted with the off-axis cover in the slotted hole, off-axis puts the off-axis hole of the rear axle insertion that is provided with the power supply runner hub, be provided with elastic device between off-axis cover and the installing plate, make the off-axis cover have all the time backward trend, also be provided with displacement sensing apparatus between off-axis cover and the installing plate; Described displacement sensing apparatus comprises magnet steel that is inlaid on the support chip and the Hall element that is inlaid on the installing plate, support chip is provided with circular hole, circle hole sleeve is on the inner cylindrical of off-axis cover, be provided with screw pin between the bottom of support chip and the installing plate, support chip can slightly upwards be lifted the off-axis cover, contact with the bottom surface of slotted hole with the bottom of avoiding rear axle, magnet steel is corresponding with the Hall element position.The utility model has adopted moment sensor exactly, but the complex structure of this device, it relies on support chip that the off-axis cover is lifted, and under the drive of arc-shaped spring piece, support chip is done fricting movement, and reduce its serviceable life.
Summary of the invention
The present invention seeks to: a kind of rear axle housing type torque sensing device of intelligent electric bicycle is provided, this apparatus structure is simple, reliable, can become displacement between magnet steel and the Hall element to the size of cyclist's pedal power, thereby produce electric signal and input to controller, regulate the size of output current or voltage by controller, thereby reach the effect of intelligent power-assisted.
Technical scheme of the present invention is: a kind of rear axle housing type torque sensing device of intelligent electric bicycle, and comprise housing, floating buss are installed, the center that housing is installed is through with circular hole, and floating buss suspends and is loaded in the circular hole; Housing is installed is comprised internal fixation plate and external fixation head, middle part up and down both sides is equipped with draw-in groove, makes housing is installed can be embedded in the pickup groove on the vehicle frame back axle sheet, and the cylindrical of external fixation head is provided with screw thread and is installed with screw collar, when screw collar is also tight, housing and vehicle frame back axle sheet is installed is fixed; Floating buss is provided with the axis hole of the rear axle insertion of power supply runner hub, elastic device and displacement sensing apparatus are housed between floating buss and the internal fixation plate, the described installation housing shell wall one side center between the draw-in groove up and down is through with outer hole, the opposite side center has counterbore, be through with respectively on the both sides jacket wall of floating buss and outer hole, the corresponding endoporus of counterbore, between the endoporus of described outer hole, counterbore and cooperation with it a rolling body be housed respectively; Described elastic device is an arc-shaped spring piece, arc-shaped spring piece is inlaid in the groove of internal fixation plate inner face, one end of described arc-shaped spring piece is fixed in the groove, and the other end is against on the recess edge, with movable the contact also and between the recess sidewall of the inner cylindrical of floating buss certain clearance is arranged.
The further technical scheme of the present invention is: a kind of rear axle housing type torque sensing device of intelligent electric bicycle, and comprise housing, floating buss are installed, the center that housing is installed is through with circular hole, and floating buss suspends and is loaded in the circular hole; Housing is installed is comprised internal fixation plate and external fixation head, middle part up and down both sides is equipped with draw-in groove, makes housing is installed can be embedded in the pickup groove on the vehicle frame back axle sheet, and the cylindrical of external fixation head is provided with screw thread and is installed with screw collar, when screw collar is also tight, housing and vehicle frame back axle sheet is installed is fixed; Floating buss is provided with the axis hole of the rear axle insertion of power supply runner hub, elastic device and displacement sensing apparatus are housed between floating buss and the internal fixation plate, the described installation housing shell wall one side center between the draw-in groove up and down is through with outer hole, the opposite side center has counterbore, be through with respectively on the both sides jacket wall of floating buss and outer hole, the corresponding endoporus of counterbore, between the endoporus of described outer hole, counterbore and cooperation with it a rolling body be housed respectively; Described elastic device is an arc-shaped spring piece, arc-shaped spring piece is inlaid in the groove of internal fixation plate inner face, one end of described arc-shaped spring piece is fixed in the groove, and the other end is against on the recess edge, with movable the contact also and between the recess sidewall of the inner cylindrical of floating buss certain clearance is arranged; Described displacement sensing apparatus comprises the Hall element that is inlaid on the internal fixation plate and is inlaid in the magnet steel that looped end covers, described ring-type end cap is set between floating buss and the internal fixation plate, looped end covers and is provided with and the corresponding through hole of axis hole, and described magnet steel is corresponding with the Hall element position.
The more detailed technical scheme of the present invention is: a kind of rear axle housing type torque sensing device of intelligent electric bicycle, and comprise housing, floating buss are installed, the center that housing is installed is through with circular hole, and floating buss suspends and is loaded in the circular hole; Housing is installed is comprised internal fixation plate and external fixation head, middle part up and down both sides is equipped with draw-in groove, makes housing is installed can be embedded in the pickup groove on the vehicle frame back axle sheet, and the cylindrical of external fixation head is provided with screw thread and is installed with screw collar, when screw collar is also tight, housing and vehicle frame back axle sheet is installed is fixed; Floating buss is provided with the axis hole of the rear axle insertion of power supply runner hub, elastic device and displacement sensing apparatus are housed between floating buss and the internal fixation plate, the described installation housing shell wall one side center between the draw-in groove up and down is through with outer hole, the opposite side center has counterbore, be through with respectively on the both sides jacket wall of floating buss and outer hole, the corresponding endoporus of counterbore, between the endoporus of described outer hole, counterbore and cooperation with it a rolling body be housed respectively; Described elastic device is an arc-shaped spring piece, arc-shaped spring piece is inlaid in the groove of internal fixation plate inner face, one end of described arc-shaped spring piece is fixed in the groove, and the other end is against on the recess edge, with movable the contact also and between the recess sidewall of the inner cylindrical of floating buss certain clearance is arranged; Described displacement sensing apparatus comprises the Hall element that is inlaid on the internal fixation plate and is inlaid in the magnet steel that looped end covers, described ring-type end cap is set between floating buss and the internal fixation plate, looped end covers and is provided with and the corresponding through hole of axis hole, and described magnet steel is corresponding with the Hall element position; Described rolling body is spherical steel ball; The circular hole at described internal fixation plate center be outer little in big stepped hole, the outside of described ring-type end cap is outward extended with boss, described boss is embedded in the groove between floating buss and the stepped hole rear end macropore.
Advantage of the present invention is:
1. the present invention can become displacement between magnet steel and the Hall element to the size of cyclist's pedal power, thereby produces electric signal and input to controller, regulates the size of output current or voltage by controller, thereby reaches the effect of intelligent power-assisted.
2. installing plate of the present invention, installation sleeve and vehicle frame back axle sheet (hook) are fixing, and the off-axis cover is fixed with rear axle, and because the supporting role of spherical ball, in fact the off-axis cover is unsettled in the through hole of installing plate and installation sleeve, just under the effect of arc-shaped spring piece, off-axis cover, rear axle have all the time trend backward.
3. when the step of cyclist's pedal, chain wheel drives chain, chain drives wheel hub, electric bicycle is travelled forward, and the effect that the tension force of chain makes off-axis cover, rear axle, annular end cap overcome arc-shaped spring piece together moves forward, at this moment will produce induced signal between magnet steel and the Hall element, this induced signal is imported in the controller to be handled, and controller will be regulated the size of output current or voltage, thereby reaches the effect of intelligent power-assisted.
4. because the pickup groove on the electric bicycle vehicle frame back axle sheet (hook) also not all is a horizontal direction setting, so be provided with ball in the jacket wall of the jacket wall of installation sleeve and off-axis cover, off-axis can be overlapped unsettledly, contact with circular hole, reduce friction to avoid rear axle and off-axis cover.
5. biggest advantage of the present invention is can be for all in the market electric bicycles carry out supporting installation, and need not electric bicycle is changed during supporting installation.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is an assembly structure synoptic diagram of the present invention;
Fig. 2 is that A among Fig. 1 is to synoptic diagram;
Fig. 3 is that B among Fig. 1 is to synoptic diagram;
Fig. 4 is the C-C cut-open view among Fig. 3;
Fig. 5 is the D-D cut-open view among Fig. 3.
Wherein: 1 for installing housing; 101 is internal fixation plate; 102 is the external fixation head; 103 is draw-in groove; 104 is circular hole; 105 is outer hole; 106 is counterbore; 107 is groove; 2 is floating buss; 201 is axis hole; 202 is endoporus; 3 is ring nut; 4 is vehicle frame back axle sheet (hook); 401 is pickup groove; 5 is electric wheel hub; 6 is rear axle; 7 is arc-shaped spring piece; 8 is spherical steel ball; 9 is Hall element; 10 is annular end cap; 11 is magnet steel.
Embodiment
Embodiment: a kind of rear axle housing type torque sensing device of intelligent electric bicycle, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, comprise housing 1, floating buss 2 are installed, described installation housing 1 comprises internal fixation plate 101 and external fixation head 102, its middle part is equipped with draw-in groove 103 in both sides up and down, make and housing 1 is installed is embedded in the pickup groove 401 on the vehicle frame back axle sheet (hook) 4, the cylindrical of described external fixation head 102 is provided with screw thread and is installed with screw collar 3, when screw collar 3 was also tight, it is fixing with vehicle frame back axle sheet (hook) 4 that housing 1 is installed.The center of described installation housing 1 is through with circular hole 104, floating buss 2 suspends and is loaded in the circular hole 104, floating buss 2 is provided with the axis hole 201 of rear axle 6 insertions of power supply runner hub 5, the external end head cylindrical of described floating buss 2 is rounded, be inserted in the circular hole 104 of external fixation head 102 and gapped with it, the inner termination cylindrical of floating buss 2 is rounded and be inserted in the circular hole 104 of internal fixation plate 101.Shell wall one side center on the described installation housing 1 between the lower bayonet slot 103 is through with outer hole 105, the opposite side center has counterbore 106, be through with respectively on the both sides jacket wall of floating buss 2 and outer hole 105, counterbore 106 corresponding endoporus 202, between the endoporus 202 of described outer hole 105, counterbore 106 and cooperation with it a spherical steel ball 8 is housed respectively, floating buss 2 is suspended, avoid floating buss 2 to contact the power of reducing friction with installation housing 1.
Between described floating buss 2 and the internal fixation plate 101 elastic device is housed, described elastic device is an arc-shaped spring piece 7, makes floating buss 2 have all the time backward trend; Described arc-shaped spring piece 7 is inlaid in the groove 107 of internal fixation plate 101 inner faces, one end of described arc-shaped spring piece 7 is fixed in the groove 107, the other end is against on groove 107 edges, with the inner cylindrical of floating buss 2 movable contact and and groove 107 sidewalls between certain clearance is arranged.
Between described floating buss 2 and the internal fixation plate 101 displacement sensing apparatus is housed also, comprise Hall element 9 that is inlaid on the internal fixation plate 101 and the magnet steel 11 that is inlaid on the ring-type end cap 10, described ring-type end cap 10 is set between floating buss 2 and the internal fixation plate 101, ring-type end cap 10 is provided with and axis hole 201 corresponding through holes, and described magnet steel 11 is corresponding with Hall element 9 positions.The circular hole at described internal fixation plate 101 centers be outer little in big stepped hole, the outside of described ring-type end cap 10 is outward extended with boss, described boss is embedded in the groove 107 between floating buss 2 and the stepped hole rear end macropore.
In the above-described embodiments, spherical steel ball 8 can also replace with the rolling body of other shapes, as right cylinder, spindle etc.
After the present invention is installed on the electric bicycle, it is fixing with vehicle frame back axle sheet (hook) 4 that housing 1 is installed, and floating buss 2 is fixing with rear axle 6, and because the effect of spherical steel ball 8, in fact floating buss 2 is suspended in the circular hole 104 that housing 1 is installed, just under the effect of arc-shaped spring piece 7, floating buss 2, rear axle 6, annular end cap 10 have all the time trend backward.
When the step of cyclist's pedal, chain wheel drives chain, chain drives electric wheel hub 5, electric bicycle is travelled forward, and the effect that the tension force of chain makes floating buss 2, rear axle 6, annular end cap 10 overcome arc-shaped spring piece 7 together moves forward, at this moment the size of cyclist's pedal power becomes the displacement generation induced signal between magnet steel 11 and the Hall element 9, this induced signal is imported in the controller to be handled, controller will be regulated the size of output current or voltage, thereby reaches the effect of intelligent power-assisted.
Because the pickup groove 401 on the electric bicycle vehicle frame back axle sheet (hook) 4 also not all is a horizontal direction setting, so be provided with steel ball in the shell wall of installation housing 1 and the jacket wall of floating buss 2, can floating buss 2 is unsettled, to avoid rear axle 6 to contact with the circular hole 104 that housing 1 is installed, reduce friction with floating buss 2.
Though floating buss 2 of the present invention is vacant state in the circular hole 104 that housing 1 is installed, but in fact the gap between floating buss 2 and the circular hole 104 is very little, because the susceptibility of present Hall element 9 is very high, and signal amplification circuit, and the micro-displacement between the magnet steel 11 in addition can produce signal and be input in the controller.
The domestic electric bicycle market brand of China is many, kind assorted, and biggest advantage of the present invention is exactly to carry out supporting installation for all in the market electric bicycles, and need not electric bicycle is changed during supporting installation.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (4)
1. a rear axle housing type torque sensing device of intelligent electric bicycle comprises housing (1), floating buss (2) is installed, and the center that housing (1) is installed is through with circular hole (104), and floating buss (2) suspends and is loaded in the circular hole (104); Housing (1) is installed is comprised internal fixation plate (101) and external fixation head (102), the middle part that housing (1) is installed is equipped with draw-in groove (103) in both sides up and down, make and housing (1) is installed is embedded in the pickup groove (401) on the vehicle frame back axle sheet (4), the cylindrical of external fixation head (102) is provided with screw thread and is installed with screw collar (3), when screw collar (3) was also tight, it is fixing with vehicle frame back axle sheet (4) that housing (1) is installed; Floating buss (2) is provided with the axis hole (201) of rear axle (6) insertion of power supply runner hub (5), between floating buss (2) and the internal fixation plate (101) elastic device and displacement sensing apparatus are housed, it is characterized in that: the shell wall one side center that described installation housing (1) is gone up between the lower bayonet slot (103) is through with outer hole (105), the opposite side center has counterbore (106), be through with respectively on the both sides jacket wall of floating buss (2) and outer hole (105), the corresponding endoporus of counterbore (106) (202), described outer hole (105), between the endoporus (202) of counterbore (106) and cooperation with it a rolling body is housed respectively; Described elastic device is arc-shaped spring piece (7), arc-shaped spring piece (7) is inlaid in the groove (107) of internal fixation plate (101) inner face, one end of described arc-shaped spring piece (7) is fixed in the groove (107), the other end is against on groove (107) edge, with the inner cylindrical of floating buss (2) movable contact and and groove (107) sidewall between certain clearance is arranged.
2. rear axle housing type torque sensing device of intelligent electric bicycle according to claim 1, it is characterized in that: described displacement sensing apparatus comprises the Hall element (9) that is inlaid on the internal fixation plate (101) and is inlaid in magnet steel (11) on the ring-type end cap (10), described ring-type end cap (10) is set between floating buss (2) and the internal fixation plate (101), ring-type end cap (10) is provided with and the corresponding through hole of axis hole (201), and described magnet steel (11) is corresponding with Hall element (9) position.
3. rear axle housing type torque sensing device of intelligent electric bicycle according to claim 1 is characterized in that: described rolling body is spherical steel ball (8).
4. rear axle housing type torque sensing device of intelligent electric bicycle according to claim 2, it is characterized in that: the circular hole at described internal fixation plate (101) center is outer little interior big stepped hole, the outside of described ring-type end cap (10) is outward extended with boss, and described boss is embedded in the groove (107) between floating buss (2) and the stepped hole rear end macropore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101305846A CN101782446B (en) | 2010-03-19 | 2010-03-19 | Rear axle housing type torque sensing device of intelligent electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101305846A CN101782446B (en) | 2010-03-19 | 2010-03-19 | Rear axle housing type torque sensing device of intelligent electric bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101782446A CN101782446A (en) | 2010-07-21 |
| CN101782446B true CN101782446B (en) | 2011-07-20 |
Family
ID=42522531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101305846A Expired - Fee Related CN101782446B (en) | 2010-03-19 | 2010-03-19 | Rear axle housing type torque sensing device of intelligent electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101782446B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983893B (en) * | 2010-10-13 | 2015-08-12 | 无锡尚格工业设计有限公司 | The structure of the electric power-assisting sensor on back fork of bicycle |
| CN102303682A (en) * | 2011-05-16 | 2012-01-04 | 无锡尚格工业设计有限公司 | Structure of electric power sensor matched with rear fork of bicycle |
| CN111792057B (en) * | 2020-06-22 | 2022-04-12 | 中国空间技术研究院 | Method and device for controlling self-generated torque direction of Hall electric propulsion system |
| CN112067169B (en) * | 2020-07-27 | 2021-09-24 | 江苏立央科技有限公司 | Hall piezoelectric sensor and electric bicycle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201096565Y (en) * | 2007-09-04 | 2008-08-06 | 刘海平 | Electric motor-assisted vehicle moment sensing device |
| CN101423102A (en) * | 2008-08-26 | 2009-05-06 | 陈戈平 | Electric power-assisted bike pedal moment sensing system |
| CN201397211Y (en) * | 2009-04-09 | 2010-02-03 | 黄岩 | Rear shaft type torque sensing device of intelligent electric bicycle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004264188A (en) * | 2003-03-03 | 2004-09-24 | Moric Co Ltd | Magnetostriction torque sensor |
| JP5164728B2 (en) * | 2008-08-07 | 2013-03-21 | ヤマハモーターエレクトロニクス株式会社 | Torque sensor |
| CN201628602U (en) * | 2010-03-19 | 2010-11-10 | 黄岩 | Rear axle sleeve type torque sensing device for intelligent eclectic bicycle |
-
2010
- 2010-03-19 CN CN2010101305846A patent/CN101782446B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201096565Y (en) * | 2007-09-04 | 2008-08-06 | 刘海平 | Electric motor-assisted vehicle moment sensing device |
| CN101423102A (en) * | 2008-08-26 | 2009-05-06 | 陈戈平 | Electric power-assisted bike pedal moment sensing system |
| CN201397211Y (en) * | 2009-04-09 | 2010-02-03 | 黄岩 | Rear shaft type torque sensing device of intelligent electric bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101782446A (en) | 2010-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101782446B (en) | Rear axle housing type torque sensing device of intelligent electric bicycle | |
| CN202225989U (en) | Electric bicycle middle shaft with power assisting sensor device | |
| CN201628602U (en) | Rear axle sleeve type torque sensing device for intelligent eclectic bicycle | |
| CN201009762Y (en) | Novel pedals type speed regulator | |
| CN101638135A (en) | Speed and leg power sensing device of electric bicycle | |
| WO2018039873A1 (en) | Wheel hub for electric bicycle | |
| US20220099508A1 (en) | Freehub torque and speed sensing device | |
| CN201397211Y (en) | Rear shaft type torque sensing device of intelligent electric bicycle | |
| CN102412665A (en) | Integrally-containing type torque sensor motor | |
| CN204821978U (en) | Hybrid bicycle chain wheel formula moment sensor device and controller system | |
| CN202508256U (en) | Butt joint type torque sensor motor | |
| CN204150203U (en) | Electrical bicycle middle shaft sensor-based system | |
| CN201501504U (en) | Device for sensing speed and pedal force | |
| CN201034760Y (en) | Electric bicycle centre shaft torque sensing device | |
| CN201177539Y (en) | Electric bicycle magnetic torquemoment sensing device | |
| CN204037829U (en) | Battery-driven car axletree mechanics sensing device | |
| US10312775B2 (en) | Integrated container-type torque-driven electric sensor for a vehicle motor | |
| CN200977954Y (en) | Electromagnetic control device for bicycle stand support | |
| CN206623955U (en) | Bicycle use chain wheel formula torque sensor | |
| CN201530454U (en) | Electric bicycle brake power-off device | |
| CN201380892Y (en) | Automatic landing chassis of electromagnetic solar electric bicycle | |
| CN203255334U (en) | Non-contact-type torque sensor for middle shaft of electric bicycle | |
| CN203372348U (en) | Middle shaft type moment sensing device for electric bicycle | |
| CN202728498U (en) | Wireless torque transducer of electric bicycle | |
| CN214960132U (en) | Long-life bluetooth wireless motion sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20140319 |