CN202083502U - Moment sensor of electric power-assisted vehicle - Google Patents
Moment sensor of electric power-assisted vehicle Download PDFInfo
- Publication number
- CN202083502U CN202083502U CN 201120101110 CN201120101110U CN202083502U CN 202083502 U CN202083502 U CN 202083502U CN 201120101110 CN201120101110 CN 201120101110 CN 201120101110 U CN201120101110 U CN 201120101110U CN 202083502 U CN202083502 U CN 202083502U
- Authority
- CN
- China
- Prior art keywords
- elastic body
- magnet steel
- hall
- torque sensor
- moped scooter
- 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 - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to the electromechanical field and discloses a moment sensor of an electric power-assisted vehicle. The main body of the moment sensor is an elastic body 5 which is a circular sleeve similar to a spring structure, wherein a helical groove is disposed in the center of the elastic body. A ring of magnetic steels 4 along the circumference direction are respectively bonded on the corresponding surfaces of the circular sleeve at two ends of the helical groove of the elastic body 5. Two hall sensors 3 are disposed on supporting members which correspond to the two rings of magnetic steels 4. Each hall sensor 3 is close to a ring of magnetic steels 4. Two ends of the elastic body 5 are respectively provided with an input connection mechanism 2 and an output connection mechanism 7. The input connection mechanism 2 and the output connection mechanism 7 are arranged between two parts which need moment detection. The moment sensor of an electric power-assisted vehicle is of a simple structure, reliable and practical, and enables moment electric signals of an electric power-assisted vehicle for manpower riding to be detected.
Description
Technical field
The utility model relates to dynamo-electric field, relates in particular to a kind of Moped Scooter torque sensor.
Background technology
In recent years, the increasing foreigner begins the sports equipment of Moped Scooter as go out body-building outing and indoor sport, and riding Moped Scooter becomes a kind of fashion gradually.At present, Moped Scooter on the market generally all can be equipped with torque sensor, torque sensor is used to detect Moped Scooter manually driven moment electric signal and exports to driving governor, driving governor can obtain the size of cyclist's pedal power according to this moment electric signal, and control the watt level of motor output according to the size of cyclist's pedal power, make the cyclist feel light, comfortable, the real enjoyment of riding of enjoying.
Yet people find that in practice present Moped Scooter torque sensor is ubiquity or complex structure all, or do not reflect defectives such as true.How to design a kind of simple in structure, reliable and practical torque sensor product, become the problem that the Moped Scooter industry is needed solution badly.
The utility model content
At above-mentioned defective, technical problem to be solved in the utility model provides a kind of Moped Scooter torque sensor, is used to detect the moment electric signal that the Moped Scooter manpower is ridden, and is simple in structure, reliable and practical.
A kind of Moped Scooter torque sensor, its main body are an elastic body (5), and described elastic body (5) has the round buss that spiral fluted is similar to spring structure for the stage casing; On the round buss correlation surface at the helicla flute two ends of described elastic body (5), along the circumferential direction be pasted with a circle magnet steel (4) respectively; On the supporting member corresponding with two circle magnet steel (4), two Hall elements (3) are installed, each Hall element (3) is close with a circle magnet steel (4) respectively; The two ends of described elastic body (5) have input coupling mechanism (2) and output coupling mechanism (7) respectively, and being connected on needs to detect between two parts of moment.
As a kind of optional embodiment, described magnet steel 4 is monolithic devices magnet rings, and described magnet ring is along the circumferential direction filled different magnetic poles with.
As the optional embodiment of another kind, described magnet steel 4 is along the circumferential direction to be pasted by the little magnet steel of multi-disc adjacent different polarity to constitute.
As the optional embodiment of another kind, described two circle magnet steel 4 stick on respectively on the round buss internal circular surfaces at helicla flute two ends of described elastic body 5.
Correspondingly, the described supporting member corresponding with two circle magnet steel 4 comprises motor mandrel 1 and Hall installing plate 9 at least, wherein, described elastic body 5 passes in described motor mandrel 1, described Hall installing plate 9 is fixed in the Hall element mounting groove 10 of described motor mandrel 1, and described two Hall elements are fixed on the described Hall installing plate 9.
As the optional embodiment of another kind, described two circle magnet steel 4 stick on respectively on the round buss outer round surface at helicla flute two ends of described elastic body 5.
Correspondingly, the described supporting member corresponding with two circle magnet steel 4 comprises overcoat 13 and Hall installing plate 9 at least, and described elastic body 5 is positioned at described overcoat 1; Described Hall installing plate 9 is fixed in the Hall element mounting groove 10 of described overcoat 13, and described two Hall elements are fixed on the described Hall installing plate 9.
As a kind of optional embodiment, described magnet steel 4 sticks on the joining surface of round buss at helicla flute two ends of described elastic body 5.
In the Moped Scooter torque sensor that the utility model provides, elastic body 5 has the round buss that spiral fluted is similar to spring structure for the stage casing, along the circumferential direction be pasted with a circle magnet steel 4 on the round buss correlation surface at the helicla flute two ends of elastic body 5 respectively, and be separately installed with two Hall elements 3 on the supporting member corresponding with two circle magnet steel 4, each Hall element 3 is close with a circle magnet steel 4 respectively, thereby each circle magnet steel 4 and a Hall element 3 can constitute a cover pulse generating unit.When the Moped Scooter operate as normal, the driving moment that cyclist's step tread produces is passed to an end of elastic body 5 by input component, input coupling mechanism 2; And ground passes to the other end of elastic body 5 via moment output, output coupling mechanism 7 in the face of the moment of resistance of wheel.The distortion that twists of elastic body 5 its stage casing under the effect of the driving moment and the moment of resistance, cause the dislocation of two circle magnet steel, 4 relative positions, two covers will produce phase differential by the train of impulses of the pulse generating unit output that magnet steel 4 and Hall element 3 constitute, to this phase differential carry out after the signal Processing exportable give the Moped Scooter driving governor need the moment electric signal.Can detect the moment electric signal that the Moped Scooter manpower is ridden in the Moped Scooter torque sensor that the utility model provides, simple in structure, reliable and practical.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The sectional view that is applied in a kind of Moped Scooter torque sensor on the Moped Scooter wheel hub motor that Fig. 1 provides for the utility model;
Fig. 2 is the exploded view of Moped Scooter torque sensor critical part shown in Figure 1;
Fig. 3 is the exploded view of the whole parts of Moped Scooter torque sensor shown in Figure 1;
The sectional view of a kind of Moped Scooter torque sensor on the standard that the is applied in axis that Fig. 4 provides for the utility model;
The sectional view of a kind of Moped Scooter semiaxis torque sensor on the standard that the is applied in axis that Fig. 5 provides for the utility model;
Wherein, 1-motor mandrel, 2-imports coupling mechanism, the 3-Hall element, 4-magnet steel, 5-elastic body, the 6-thread bush, 7-exports coupling mechanism, 8-moment output panel, 9-Hall installing plate, 10-Hall element mounting groove, 11-end cap, the 12-axis, 13-overcoat, 14-bearing, the 15-five-way, 16-left side bowl, the right bowl of 17-.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of Moped Scooter torque sensor, can detect the moment electric signal that the Moped Scooter manpower is ridden, and is simple in structure, reliable and practical.Below be elaborated respectively.
Embodiment one:
See also Fig. 1, the sectional view that is applied in a kind of Moped Scooter torque sensor on the Moped Scooter wheel hub motor that Fig. 1 provides for the utility model.As shown in Figure 1, this Moped Scooter torque sensor can comprise:
On the round buss correlation surface at the helicla flute two ends of described elastic body 5, along the circumferential direction be pasted with a circle magnet steel 4 respectively; On the supporting member corresponding with two circle magnet steel 4, two Hall elements 3 are installed, each Hall element 3 is close with a circle magnet steel 4 respectively.
As a kind of optional embodiment, described magnet steel 4 is monolithic devices magnet rings, and described magnet ring is along the circumferential direction filled different magnetic poles with.
As the optional embodiment of another kind, described magnet steel 4 is along the circumferential direction to be pasted by the little magnet steel of multi-disc adjacent different polarity to constitute.
As a kind of optional embodiment, described magnet steel 4 sticks on the joining surface of round buss at helicla flute two ends of described elastic body 5.
As the optional embodiment of another kind, described two circle magnet steel 4 stick on respectively on the round buss internal circular surfaces at helicla flute two ends of described elastic body 5.
Correspondingly, as shown in Figure 1, stick on respectively at two circle magnet steel 4 under the situation of round buss internal circular surfaces at helicla flute two ends of described elastic body 5, the described supporting member corresponding with two circle magnet steel 4 comprises motor mandrel 1 and Hall installing plate 9 at least, wherein, described elastic body 5 passes in described motor mandrel 1, and described Hall installing plate 9 is fixed in the Hall element mounting groove 10 of described motor mandrel 1, and described two Hall elements 3 are fixed on the described Hall installing plate 9.
As shown in Figure 1, above-mentioned supporting member can also comprise bearing 14, is used for support motor mandrel 1.As shown in Figure 1, also be provided with end cap 11 on the Moped Scooter wheel hub motor, end cap 11 is used for matching with moment output panel 8, described thread bush 6 is carried out spacing, and thread bush 6 can freely rotate.
See also Fig. 2 and Fig. 3, wherein, the right-hand member of thread bush 6 is provided with end tooth, and the left end of moment output panel 8 is provided with end tooth (Fig. 2, Fig. 3 do not show), elastic body 5 two ends of wherein inserting also are provided with end tooth, form input coupling mechanism 2, output coupling mechanism 7 respectively with it.
Wherein, elastic body 5 is similar to the spring structure round buss for the stage casing is processed with spiral fluted, is pasted with two circle magnet steel 4 on the round buss internal circular surfaces at the helicla flute two ends of elastic body 5 respectively.
Wherein, pass elastic body 5 in motor mandrel 1, motor mandrel 1 has a Hall element mounting groove 10, and Hall element mounting groove 10 internal fixation have Hall installing plate 9, is fixed with a pair of Hall element 3 on the Hall installing plate 9.
When Moped Scooter is in normal operating conditions, on the thread bush 6 flywheel is installed, the driving moment that cyclist's step tread produces drives flywheel by chain, and double thread overlaps 6 application of forces, and thread bush 6 passes to driving moment by input draw bail 2 one end of elastic body 5; And ground in the face of the resistance of wheel through width of cloth bar pass to wheel hub, end cap 11, through moment output panel 8, and the moment of resistance is passed to the other end of elastic body 5 by output coupling mechanism 7.The distortion that twists of elastic body 5 its stage casing under the effect of the driving moment and the moment of resistance, the dislocation of two circle magnet steel, 4 relative positions.Because driving force is greater than resistance, whole wheel hub motor comprises that elastic body 5 is all rotating forward, two circle magnet steel 4 are closely crossed from the surface that is fixed on two Hall elements 3 in the motor mandrel 1 respectively, two covers will produce phase differential by the train of impulses of the pulse generating unit output that magnet steel 4 and Hall element 3 constitute, 9 pairs of these phase differential of Hall installing plate carry out after the signal Processing exportable give the Moped Scooter driving governor need the moment electric signal.
In the Moped Scooter torque sensor that the utility model provides, between elastic body 5 and moment output panel 8, leave the gap, if the helicla flute of elastic body 5 is dextrorotation, when work, the chap of elastic body 5 center section part branches, the gap can provide its deformation space.After if distortion above certain limit, exceeds above-mentioned gap, the interior circle of moment output panel 8 can limit its nearly step distortion, plays the effect of safeguard protection.
In the Moped Scooter torque sensor that the utility model provides, elastic body 5 has the round buss that spiral fluted is similar to spring structure for the stage casing, along the circumferential direction be pasted with a circle magnet steel 4 on the round buss correlation surface at the helicla flute two ends of elastic body 5 respectively, and be separately installed with two Hall elements 3 on the supporting member corresponding with two circle magnet steel 4, each Hall element 3 is close with a circle magnet steel 4 respectively, thereby each circle magnet steel 4 and a Hall element 3 can constitute a cover pulse generating unit.When the Moped Scooter operate as normal, the driving moment that cyclist's step tread produces is by an end that passes to elastic body 5 through thread bush 6 and input coupling mechanism 2; And the moment of resistance of wheel is faced by the other end that passes to elastic body 5 through moment output panel 8, output coupling mechanism 7 in ground.The distortion that twists of elastic body 5 its stage casing under the effect of the driving moment and the moment of resistance, cause the dislocation of two circle magnet steel, 4 relative positions, two covers will produce phase differential by the train of impulses of the pulse generating unit output that magnet steel 4 and Hall element 3 constitute, and be the torque signals that exportable Moped Scooter rotates after this phase differential is revised.Can detect the moment electric signal that the Moped Scooter manpower is ridden in the Moped Scooter torque sensor that the utility model provides, simple in structure, reliable and practical.
Embodiment two:
See also Fig. 4, the sectional view of a kind of Moped Scooter torque sensor on the standard that the is applied in axis that Fig. 4 provides for the utility model.
Compared to Figure 1, in Moped Scooter torque sensor shown in Figure 4, motor mandrel 1 has made axis 12 into, and the input coupling mechanism 2 of elastic body 5 and output coupling mechanism 7 have swapped left and right, the shape of moment output panel 8 is corresponding to change, and can rivet chain wheel on it.
In Moped Scooter torque sensor shown in Figure 4, two circle magnet steel 4 stick on respectively on the round buss outer round surface at helicla flute two ends of elastic body 5.Correspondingly, the also corresponding outer ring that moves on to, the fixed position of Hall element 3 is fixed on 10 li of the Hall element mounting grooves of overcoat 13 by Hall installing plate 9.
In Moped Scooter torque sensor shown in Figure 4, overcoat 13 and Hall installing plate 9 can be regarded as and the corresponding supporting member of two circle magnet steel 4.
In addition, the driving force of considering axis 12 is than big several times of the driving force of motor, and elastic body 5 designs here are thick more abundant than the design of elastic body 5 among the embodiment one.As shown in Figure 4, two bearings 14 are used to support axis 12, and axis 12 is fixed on left side bowl 16 and the right bowl 17, by five-way 15, overcoat 13 all parts are combined successively at last, form a complete product.
Wherein, square toes, the screw thread at axis 12 two ends is used for installing and fastening pedal, and under the effect of cyclist's pedal power, axis 12 rotates forward, by input coupling mechanism 2 transmissions that end tooth on tooth on the axis 12 and the elastic body 5 constitutes, drives elastic body 5 and rotates.Chain wheel on the moment output panel 8 is dragged by load and pulls back, the load torsion of its generation is passed to elastic body 5 through output coupling mechanism 7, make the distortion that twists of spring-like elastic body 5 stage casings, two covers will produce phase differential by the train of impulses of the pulse generating unit output that magnet steel 4 and Hall element 3 constitute, and be the torque signals that exportable Moped Scooter rotates after this phase differential is revised.
A kind of single chain wheel structure though the chain wheel among Fig. 4 only draws changes slightly to moment output panel 8, is equally applicable to the outer derailleur structure of polydonita dish chain-type.
Wherein, between the distorted area in axis 12 and elastic body 5 stage casings certain interval is arranged also, if the helicla flute of elastic body 5 adopts dextrorotation, the diameter of elastic body 5 diminishes during work, and this gap provides deformation space for elastic body 5.When moment is too big, when going beyond the limit, this gap can be limited elastic body 5 and too is out of shape, and plays the position limitation protection effect.If it is left-handed that the helicla flute of elastic body 5 adopts, elastic body 5 diameters increase during work, and elastic body 5 can play above-mentioned same purpose with the gap of overcoat 13.
Moped Scooter torque sensor on the standard that the is applied in axis that the utility model provides is simple in structure, reliable and practical, compatibility is good, cost performance is high.
Embodiment three:
See also Fig. 5, compare with Fig. 4, the difference of Fig. 5 structure maximum is: axis 12 is a kind of semiaxis structure, two sections semiaxis about being divided into from the centre, be respectively the axis 12-1 on half section on a left side and right half section axis 12-2, input coupling mechanism 2 and the output coupling mechanism 7 of elastic body 5 by being all thread connection is cascaded the half section axis 12-1 in a left side and right half section axis 12-2 two halves section axis respectively.That is to say, torque sensor is to be connected between centers in the two halves section (on the right crank of Regular Bicycle structure chain wheel being installed directly), right half section axis links as output mechanism (having saved the output tie-plate 8 among Fig. 4) with chain wheel, and the half section axis 12-1 in a left side is as the moment input mechanism.This torque sensor only detects the power of riding of left foot, and the power of riding of right crus of diaphragm is to be simulated by circuit chip according to the power symmetry ground of left foot to provide.
Structure such as the elastic body 5 among Fig. 5, two circle magnet steel 4, two Hall elements 3, Hall installing plate 9, overcoat 13, Hall element mounting groove 10, left side bowl 16 and Fig. 4 are basic identical.The right bowl 17 of Fig. 5 is longer, has adorned an intermediate bearing 14 than Fig. 4, as the centre bearing of two halves section axis 12-1,12-2 more; The right cylindrical portions may of elastic body 5 is long relatively, and its internal circular surfaces is as the aiding support of a left side half section axis 12-1 right-hand member; Between elastic body 5 stage casings and the half section axis 12-1 in a left side big gap is arranged, if the helicla flute of elastic body 5 adopts dextrorotation, the diameter of elastic body 5 diminishes during work, and this gap provides deformation space for elastic body 5.When moment is too big, when going beyond the limit, this gap can be limited elastic body 5 and too is out of shape, and plays the position limitation protection effect.If it is left-handed that the helicla flute of elastic body 5 adopts, elastic body 5 diameters increase during work, and elastic body 5 can play above-mentioned same purpose with the gap of overcoat 13.
Moped Scooter semiaxis torque sensor structure on the standard that the is applied in axis that the utility model provides is simpler, compatible better, cost performance is higher.
More than Moped Scooter torque sensor that the utility model is provided be described in detail, for one of ordinary skill in the art, according to thought of the present utility model, part in specific embodiments and applications all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (8)
1. Moped Scooter torque sensor, its feature: main body is an elastic body (5), and described elastic body (5) has the round buss that spiral fluted is similar to spring structure for the stage casing; On the round buss correlation surface at the helicla flute two ends of described elastic body (5), along the circumferential direction be pasted with a circle magnet steel (4) respectively; On the supporting member corresponding with two circle magnet steel (4), two Hall elements (3) are installed, each Hall element (3) is close with a circle magnet steel (4) respectively; The two ends of described elastic body (5) have input coupling mechanism (2) and output coupling mechanism (7) respectively, and being connected on needs to detect between two parts of moment.
2. Moped Scooter torque sensor according to claim 1 is characterized in that, described magnet steel (4) is a monolithic devices magnet ring, and described magnet ring is along the circumferential direction filled different magnetic poles with.
3. Moped Scooter torque sensor according to claim 1 is characterized in that, described magnet steel (4) is along the circumferential direction to be pasted by the little magnet steel of multi-disc adjacent different polarity to constitute.
4. according to any described Moped Scooter torque sensor of claim 1～3, it is characterized in that described two circle magnet steel (4) stick on respectively on the round buss internal circular surfaces at helicla flute two ends of described elastic body (5).
5. Moped Scooter torque sensor according to claim 4, it is characterized in that, the described supporting member corresponding with two circle magnet steel (4) comprises motor mandrel (1) and Hall installing plate (9) at least, wherein, described elastic body (5) passes in described motor mandrel (1), described Hall installing plate (9) is fixed in the Hall element mounting groove (10) of described motor mandrel (1), and described two Hall elements (3) are fixed on the described Hall installing plate (9).
6. according to any described Moped Scooter torque sensor of claim 1～3, it is characterized in that described two circle magnet steel (4) stick on respectively on the round buss outer round surface at helicla flute two ends of described elastic body (5).
7. Moped Scooter torque sensor according to claim 6 is characterized in that, the described supporting member corresponding with two circle magnet steel (4) comprises overcoat (13) and Hall installing plate (9) at least, and described elastic body (5) is positioned at described overcoat (13); Described Hall installing plate (9) is fixed in the Hall element mounting groove (10) of described overcoat (13), and described two Hall elements are fixed on the described Hall installing plate (9).
8. Moped Scooter torque sensor according to claim 1 is characterized in that, described magnet steel (4) sticks on the joining surface of round buss at helicla flute two ends of described elastic body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120101110 CN202083502U (en) | 2011-04-08 | 2011-04-08 | Moment sensor of electric power-assisted vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120101110 CN202083502U (en) | 2011-04-08 | 2011-04-08 | Moment sensor of electric power-assisted vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202083502U true CN202083502U (en) | 2011-12-21 |
Family
ID=45344128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120101110 Expired - Lifetime CN202083502U (en) | 2011-04-08 | 2011-04-08 | Moment sensor of electric power-assisted vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202083502U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226727A (en) * | 2011-04-08 | 2011-10-26 | 深圳市琛玛华夏科技有限公司 | Torque sensor for electrical bicycles |
| CN103085931A (en) * | 2013-02-01 | 2013-05-08 | 苏州盛亿电机有限公司 | Electric bicycle central shaft torsion force sensing device |
| CN103171733A (en) * | 2013-04-09 | 2013-06-26 | 苏州八方电机科技有限公司 | Central-shaft torque sensing device for electric bicycle |
| CN103381876A (en) * | 2013-08-08 | 2013-11-06 | 苏州捷诚科技有限公司 | Central shaft type torque sensor |
| CN108593163A (en) * | 2018-02-01 | 2018-09-28 | 南京拓科电子有限公司 | A kind of Photoelectric Detection metal shaft deformation torque sensor |
-
2011
- 2011-04-08 CN CN 201120101110 patent/CN202083502U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226727A (en) * | 2011-04-08 | 2011-10-26 | 深圳市琛玛华夏科技有限公司 | Torque sensor for electrical bicycles |
| WO2012136143A1 (en) * | 2011-04-08 | 2012-10-11 | 深圳市琛玛华夏科技有限公司 | Electric-assisted bike torque sensor |
| CN103085931A (en) * | 2013-02-01 | 2013-05-08 | 苏州盛亿电机有限公司 | Electric bicycle central shaft torsion force sensing device |
| CN103085931B (en) * | 2013-02-01 | 2014-10-29 | 苏州盛亿电机有限公司 | Electric bicycle central shaft torsion force sensing device |
| CN103171733A (en) * | 2013-04-09 | 2013-06-26 | 苏州八方电机科技有限公司 | Central-shaft torque sensing device for electric bicycle |
| CN103171733B (en) * | 2013-04-09 | 2015-09-30 | 苏州八方电机科技有限公司 | A kind of electrical bicycle middle shaft moment sensor |
| CN103381876A (en) * | 2013-08-08 | 2013-11-06 | 苏州捷诚科技有限公司 | Central shaft type torque sensor |
| CN108593163A (en) * | 2018-02-01 | 2018-09-28 | 南京拓科电子有限公司 | A kind of Photoelectric Detection metal shaft deformation torque sensor |
| CN108593163B (en) * | 2018-02-01 | 2024-04-16 | 南京拓科电子有限公司 | Photoelectric detection metal shaft deformation moment sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102226727B (en) | Torque sensor for electrical bicycles | |
| CN202083502U (en) | Moment sensor of electric power-assisted vehicle | |
| TWI506944B (en) | Motor unit, motor apparatus and pedal driven apparatus | |
| CN203698571U (en) | Wireless torque sensing system for bike bottom bracket | |
| WO2017180443A1 (en) | Integrated electric bicycle drive system | |
| CN104260818A (en) | Middle-mounted motor of electric bicycle and moment sensing device | |
| CN203111431U (en) | Mid-mounted motor device of electric bicycle | |
| CN105015692A (en) | Torque-speed sensing device for center shaft of electric bicycle | |
| CN103661773A (en) | Central system based on wireless torque detection | |
| US20210039744A1 (en) | Pedaling sensing device of electric bicycle | |
| CN103085932A (en) | Electric bicycle center shaft force moment sensing device | |
| US20020166708A1 (en) | Transmission for an electric bicycle | |
| CN103171733A (en) | Central-shaft torque sensing device for electric bicycle | |
| CN203806093U (en) | Middle axle torque speed sensor of electric bicycle | |
| US10858059B2 (en) | Combined torque, direction, and cadence sensing system for electric bicycles | |
| WO2018039873A1 (en) | Wheel hub for electric bicycle | |
| CN106143777A (en) | A kind of Moped Scooter built-in motor and moment measuring device thereof | |
| KR20110064759A (en) | Bicycle wheel having motor means serves as power generator | |
| CN203780726U (en) | Built-in motor of electric bicycle | |
| CN103085931B (en) | Electric bicycle central shaft torsion force sensing device | |
| CN203111433U (en) | Center shaft torsion sensing device of power-driven bicycle | |
| CN203652054U (en) | Wireless torque detection-based middle positioned system | |
| CN203064150U (en) | Center-shaft moment sensing device for electric bicycle | |
| CN208979048U (en) | Chain wheel formula torque sensor and vehicle using motor | |
| CN205022805U (en) | Interior moment helping hand control system and electric bicycle who places electric bicycle motor in |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20130320 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20130320 |
|
| RGAV | Abandon patent right to avoid regrant |