CN205785619U - Crank torque measuring device and electric bicycle and intelligent bicycle - Google Patents
Crank torque measuring device and electric bicycle and intelligent bicycle Download PDFInfo
- Publication number
- CN205785619U CN205785619U CN201620477063.0U CN201620477063U CN205785619U CN 205785619 U CN205785619 U CN 205785619U CN 201620477063 U CN201620477063 U CN 201620477063U CN 205785619 U CN205785619 U CN 205785619U
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- China
- Prior art keywords
- clutch shaft
- shaft bearing
- measuring device
- boss
- carrier module
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Abstract
The open a kind of crank torque measuring device of this utility model, including circular sleeve, clutch shaft bearing, clutch shaft bearing seat, the second bearing, carrier module and sensing device, clutch shaft bearing seat has installing hole, installing hole is shoulder hole, shoulder hole includes that the first hole portion matched with clutch shaft bearing external diameter in aperture and aperture are less than the second hole portion of clutch shaft bearing external diameter, and one end of clutch shaft bearing seat has boss;Being provided with directed cavity on carrier module, boss is placed in directed cavity;The external diameter of carrier module is more than the maximum outside diameter of clutch shaft bearing seat;Sensing device is arranged in directed cavity, for measuring the relative displacement between boss carrier module or force value.Further relate to a kind of electric bicycle or intelligent bicycle.Its simple in construction, makes the controller of electric bicycle according to the displacement gathered or electric pressure signal regulation Motor torque size, it is achieved electric bicycle manpower and the combination of electric power;Can calculate and record the crank torque of intelligent bicycle in real time.
Description
Technical field
This utility model relates to electric bicycle and intelligent bicycle field, particularly relates to a kind of crank torque
Measurement apparatus and electric bicycle and intelligent bicycle.
Background technology
Electric bicycle, refers to using accumulator as supplementary energy on the basis of ordinary bicycle, is mounted with
The electromechanical integration of the control members such as motor, controller, accumulator, handle brake lever and display instrument system
The widely used vehicles;Its most important feature is that the legpower of motor power Yu rider is incorporated into one
Rise, as driving force;For reaching the combination of manpower and electric power, need the song at electric bicycle pedal
A sensing device is set, to sense the size of the moment of torsion of crank, and according to sensing knot in handle torque transmission paths
Fruit controls the power of motor output, to alleviate the pedal force that rider applies, alleviates the tired sense of rider.
It is referred to as intelligent bicycle after ordinary bicycle arranges the supplemental measurement tools such as ergometer, is used as instruction
Practice apparatus or health rehabilitation.
Traditional velocity sensor is not to electric bicycle or the crank torque at the foot-operated position of intelligent bicycle
Measure, it is impossible to judge to ride people's moment of torsion of crank when trampling foot-operated, make manpower and the electric power cannot be organic
In conjunction with, thus easily cause out of hand when riding, the serious potential safety hazard such as driving when carrying out;And it is current
Conventional moment induction apparatus is to measure torque signal on the chain drum rotated from electric bicycle, this mode
Signals collecting and the poor stability of transmission, and structure is complicated, production cost is higher, thus cannot really exist
Use is popularized on market.
Utility model content
Based on this, this utility model provides a kind of simple in construction, the crank of electric bicycle reasonable in design is turned round
Square measurement apparatus and electric bicycle and intelligent bicycle, it makes the controller of electric bicycle can be according to adopting
Displacement or the electric pressure signal of collection regulate Motor torque size, thus realize electric bicycle manpower and electric power
Combination;Or realize intelligent bicycle and calculate the firmly state of the people that rides accurately.This utility model
Realize above-mentioned purpose be the technical scheme is that
A kind of crank torque measuring device, is arranged at bottom or the intelligent bicycle vehicle frame of electric bicycle fame
Bottom, and be connected with the instrument on the controller being arranged on electric bicycle or intelligent bicycle, described
Crank torque measuring device includes circular sleeve, clutch shaft bearing, clutch shaft bearing seat, the second bearing, carrying mould
Block and sensing device, described clutch shaft bearing, clutch shaft bearing seat, the second bearing and carrier module are placed in described circle
In shape sleeve;Described clutch shaft bearing and described second bearing are for being arranged on the axis of described electric bicycle
Or on the axis of described intelligent bicycle, the two ends of described axis are respectively exposed to the both sides of described circular sleeve;
Described clutch shaft bearing seat has installing hole, and described installing hole is shoulder hole, and described shoulder hole includes aperture
The the first hole portion matched with the external diameter of described clutch shaft bearing and aperture less than described clutch shaft bearing external diameter the
Two holes portion, one end of described clutch shaft bearing seat has boss;
Described carrier module, near the chain drum end of described axis, described carrier module is provided with directed cavity, institute
State boss to be placed in described directed cavity;Outside the external diameter of described carrier module is more than the maximum of described clutch shaft bearing seat
Footpath;Described sensing device is arranged in described directed cavity, for measuring between described boss and carrier module
Relative displacement or force value.
Wherein in an embodiment, described directed cavity be shaped as tetragon, hexagon or class hexagon,
At least a part of which has both sides inwall parallel;
The longitudinal section peripheral shape of described boss is tetragon, hexagon or class hexagon, and at least a part of which has two
Side outside wall parallel;
Parallel described both sides inwall matches with parallel described both sides outer wall respectively, makes described boss and leads
Matching to chamber, described boss can be along parallel described both sides inwall closer or far from described sensing device
Mobile.
Wherein in an embodiment, described sensing device includes shell fragment and the resistance-strain being arranged on shell fragment
Sheet;
Being provided with groove on the side inwall of described directed cavity, described shell fragment is embedded in described groove, described
The side away from described clutch shaft bearing seat of groove is provided with depressed part, described resistance strain gage and described depression
Portion is formed and keeps away bit space.
Wherein in an embodiment, described sensing device includes shell fragment and electron displacement sensing element;
Being provided with groove on the side inwall of described directed cavity, described shell fragment is embedded in described groove, described
The side away from described boss of groove is provided with depressed part, and described shell fragment and described depressed part are formed keeps away position sky
Between;
Described electron displacement sensing element includes the first Hall subassembly and can pass through phase with described first Hall subassembly
Displacement is produced the first magnet of electromotive force;
Described first Hall subassembly is arranged on described carrier module, and described first magnet is arranged at described boss
On, described first Hall subassembly and described first magnet are disposed adjacent, described first Hall subassembly and described the
The electromotive force produced between one magnet passes to the relative shift between described boss and described carrier module
Described controller or described instrument.
Wherein in an embodiment, described crank torque measuring device also includes supporting described second bearing
Second bearing block;
Described carrier module is threaded with circular sleeve, rivet interlacement or screw are connected;
Described second bearing block is threaded with circular sleeve, rivet interlacement or screw are connected.
Wherein in an embodiment, described carrier module is additionally provided with for its fastening and the of location
One pre-load nut;
The second pre-load nut for it is fastened it is provided with on described second bearing block.
Wherein in an embodiment, described crank torque measuring device also includes measuring testing the speed of axis rotating speed
Device, described speed measuring device includes the second Hall subassembly, the collar and the some Magnet being arranged on the described collar;
Described second Hall subassembly is arranged on described clutch shaft bearing seat, the described collar be used for being set in described in
On axle, being placed in described circular sleeve, described some Magnet are evenly distributed on the described collar;
When the described collar is with described axis synchronous axial system, the signal of telecommunication transmission that described second Hall subassembly produces
To described controller or described instrument.
Further relate to a kind of electric bicycle, including vehicle frame, the controller that is arranged on vehicle frame, and axis,
One end of described axis is mounted with chain drum and a pedal crank of electric bicycle, the other end be mounted with electronic from
Another pedal crank of driving, also includes the crank torque measuring device described in any of the above-described technical scheme,
Described crank torque measuring device is arranged at the bottom of described electric bicycle fame.
Further relate to a kind of intelligent bicycle, described intelligent bicycle not using accumulator as supplementary energy, including
Vehicle frame, measuring instruments and axis, one end of described axis is mounted with chain drum and a pedal crank of bicycle,
The other end is mounted with another pedal crank of bicycle, also includes the crank described in any of the above-described technical scheme
Torque-measuring apparatus, described crank torque measuring device is arranged at the bottom of described intelligent bicycle vehicle frame, with
Described measuring instruments electrically connects.
The beneficial effects of the utility model are:
Crank torque measuring device of the present utility model and electric bicycle and intelligent bicycle, clutch shaft bearing seat
One end there is boss, carrier module is arranged at this boss, increases the design space of carrier module, electricity
The controller of dynamic bicycle can regulate Motor torque size according to the displacement gathered or electric pressure signal, thus
Realize the combination of electric bicycle manpower and electric power, co-ordination;The measuring instruments of intelligent bicycle can
To calculate in real time and record crank torque;Its simple in construction, easy to assembly, to the collection of signal and transmission
Stability is high, reduces manufacturing cost, it is simple to universal.
Accompanying drawing explanation
Fig. 1 is the principle that crank torque measuring device one embodiment of the present utility model is applied to electric bicycle
Figure;
Fig. 2 is the cross-sectional schematic of crank torque measuring device one embodiment of the present utility model;
Fig. 3 be in Fig. 2 A-A to cross-sectional schematic;
Fig. 4 is the schematic front view of carrier module shown in Fig. 2;
Fig. 5 is the schematic rear view of carrier module shown in Fig. 4;
Fig. 6 is the front view of shell fragment shown in Fig. 2;
Fig. 7 is the top view of shell fragment shown in Fig. 6;
Fig. 8 is the left view of shell fragment shown in Fig. 6;
Fig. 9 is the front view of the first pre-load nut shown in Fig. 2;
Figure 10 is the top view of the first pre-load nut shown in Fig. 9;
Figure 11 is the schematic front view of clutch shaft bearing seat one embodiment shown in Fig. 2;
Figure 12 is the left view schematic diagram of clutch shaft bearing seat shown in Figure 11;
Figure 13 be in Figure 12 B-B to cross-sectional schematic;
Wherein,
100 vehicle frames;101 axis;1011 axis chain drum ends;102 ride;103 pedal cranks;
104 chains;105 chain drums;106 rear axles;107 flywheels;108 circular sleeves;109 clutch shaft bearing seats;
1091 boss;1092 first magnets;110 carrier modules;1101 directed cavity;1102 grooves;
1103 stopper slots;1104 keep away bit space;1105 first Hall subassemblies;111 shell fragments;
1111 resistance strain gages;112 first pre-load nuts;113 clutch shaft bearings;1131 axis installing holes;
114 Magnet;116 second Hall subassemblies;117 lassos;118 second bearings;
119 second bearing blocks;120 second pre-load nuts.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And crank torque measuring device of the present utility model and electric bicycle and intelligent bicycle enter by embodiment
One step describes in detail.Should be appreciated that specific embodiment described herein only in order to explain this utility model,
It is not used to limit this utility model.
With reference to Fig. 1 and Fig. 3, crank torque measuring device one embodiment of electric bicycle of the present utility model sets
Be placed in electric bicycle or the bottom of intelligent bicycle vehicle frame 100, and with the control being arranged on electric bicycle
Instrument (not shown) electrical connection on device processed or intelligent bicycle, electric bicycle includes vehicle frame 100, arranges
Controller (not shown) on vehicle frame 100, and axis 101.
Crank torque measuring device includes circular sleeve 108, clutch shaft bearing the 113, second bearing 118, supports
The clutch shaft bearing seat 109 of clutch shaft bearing 113, and be arranged in circular sleeve 108 near axis chain drum end 1011
Carrier module 110.
The axis 101 of electric bicycle passes through in circular sleeve 108, clutch shaft bearing 113 and the second bearing 118
Wearing, its two ends are respectively exposed to the both sides of circular sleeve 108, and one end of axis 101 is mounted with electrical salf-walking
The chain drum 105 of car and a pedal crank 103, the other end is mounted with another pedal crank of electric bicycle
103;
As shown in Figure 11 to Figure 13, clutch shaft bearing seat 109 has installing hole, and installing hole is shoulder hole.Should
Shoulder hole includes that the first hole portion matched with the external diameter of clutch shaft bearing 113 in aperture and aperture are less than clutch shaft bearing
Second hole portion of the external diameter of 113, one end of clutch shaft bearing seat 109 has boss 1091;Clutch shaft bearing 113
It is installed in the first hole portion.Right ports in Figure 13 is the first hole portion, and left hole is the second hole portion.
As shown in Figures 3 to 5, carrier module 110 being provided with directed cavity 1101, boss 1091 is placed in leads
In chamber 1101.The external diameter of carrier module 110 is more than the maximum outside diameter of clutch shaft bearing seat 109.Crank torque
It is interior for by between boss 1091 and carrier module 110 that measurement apparatus also includes being arranged on directed cavity 1101
Relative displacement or force value pass to the sensing device of controller.
One end of clutch shaft bearing seat 109 has boss 1091, and carrier module 110 is arranged at this boss 1091,
Increase the design space of carrier module 1091.
The shape of directed cavity 1101 can be tetragon, hexagon or class hexagon, wherein, directed cavity 1101
At least both sides inwall is parallel.Boss 1091 longitudinal section peripheral shape can be tetragon, hexagon or class six limit
Shape, wherein boss 1091 at least both sides outside wall parallel.Parallel described both sides inwall respectively with parallel institute
State both sides outer wall to match, so that boss 1091 matches with directed cavity 1101.Boss 1091 can edge
Parallel described both sides inwall to move closer or far from described sensing device.
After crank torque measuring device is arranged on electric bicycle or intelligent bicycle, the upside of directed cavity 1101
Inwall is parallel with the downside inwall of directed cavity 1101, the upside outer wall of boss 1091 and downside outside wall parallel;
The upper inside walls of directed cavity 1101 and the upside wall contacts of boss 1091, the downside inwall of directed cavity 1101
With the downside wall contacts of boss 1091, boss 1091 is made to match with directed cavity 1101, boss 1091
Can produce along the upper inside walls of directed cavity 1101 and downside inwall with directed cavity 1101 in directed cavity 1101
Relative displacement, clutch shaft bearing seat 109 is play the guiding role by directed cavity 1101.
As shown in Figures 2 and 3, sensing device includes that shell fragment 111 and the resistance being arranged on shell fragment 111 should
Become sheet 1111.The shape of shell fragment 111 sees Fig. 6 to Fig. 8.It is provided with on the side inwall of directed cavity 1101
Groove 1102, shell fragment 111 is embedded in groove 1102.The side away from boss 1091 of groove 1102 sets
It is equipped with depressed part, is formed between resistance strain gage 1111 and the described depressed part of groove 1102 and keep away bit space
1104, keep away bit space 1104 for keeping away position for shell fragment 111 stress deformation, be simultaneously used for resistance strain gage 1111
And the connection wire between controller passes through.
As the preferable mode of one, as shown in Figure 3 and Figure 4, sensing device includes shell fragment 111 and electronics
Displacement sensing element.Being provided with groove 1102 on the side inwall of directed cavity 1101, shell fragment 111 is embedded in recessed
In groove 1102, the side away from boss 1091 of groove 1102 is provided with depressed part, shell fragment 111 and groove
Formed between this depressed part of 1102 and keep away bit space 1104.
Electron displacement sensing element is included the first Hall subassembly 1105 and can be produced electricity by relative displacement with it
First magnet 1092 of kinetic potential.First Hall subassembly 1105 is arranged on carrier module 110, the first magnet
1092 are arranged on boss 1091, and the first Hall subassembly 1105 and the first magnet 1092 lay respectively at carrying
Two adjacent positions in module 110 and on boss 1091.
The electromotive force produced between first Hall subassembly 1105 and the first magnet 1092 is boss 1091 and carrying
Relative shift between module 110 passes to described controller or instrument.Wherein, the first magnet 1092 wraps
Including two blocks of permanent magnets, the N pole of two blocks of permanent magnets and S are the most corresponding, i.e. the N of first block of permanent magnet
Pole contacts with the S-phase of second block of permanent magnet, minimum by the magnetic flux of both contact positions.
In the present embodiment, crank torque measuring device also includes the second bearing block 119 supporting the second bearing 118.
The periphery of carrier module 110 arranges external screw thread, arranges female thread, carrier module 110 inside circular sleeve 108
Threaded with circular sleeve 108, carrier module 110 may be used without with circular sleeve 108 screw be connected or
Rivet connects in succession.
The periphery of the second bearing block 119 is also equipped with external screw thread, the second bearing block 119 and circular sleeve 108
Threaded.In other embodiments, the second bearing block 119 and circular sleeve 108 may be used without screw even
Connect or rivet connects in succession.
As the preferable mode of one, as shown in Fig. 2, Fig. 9 and Figure 10, carrier module 110 is provided with
For to its fastening and the first pre-load nut 112 of location;It is provided with for tight to it on second bearing block 118
Solid the second pre-load nut 120;First pre-load nut 112 is threadeded with carrier module 110, carries module
After 110 are arranged on circular sleeve 108, carrier module 110 is fastened by the first pre-load nut 112 so that it is fixed
Position is fixed on circular sleeve 108, it is preferred that crank torque measuring device is arranged on electric bicycle or intelligence
After energy bicycle, the upper inside walls of directed cavity 1101 keeps level, the middle part of shell fragment 111 and boss 1091
Contact, and make the stress F4 direction of shell fragment 111 towards rear axle 106;Second pre-load nut 120 and the second axle
Bearing 118 is threaded, after the second bearing block 118 is arranged on circular sleeve 108, and the second pre-load nut 120
It is arranged on the second bearing block 118, makes the second bearing block 118 be fastened on circular sleeve 108.
Preferably, clutch shaft bearing 113 is needle bearing or ball bearing, and the second bearing 118 is ball bearing.
As the preferable mode of another kind, as in figure 2 it is shown, crank torque measuring device also includes measuring axis
The speed measuring device of rotating speed, described speed measuring device includes the second Hall subassembly 116, the collar 117 and is arranged on the collar
Some Magnet 114 on 117;
Second Hall subassembly 116 is arranged on clutch shaft bearing seat 109, and the collar 117 is set on axis 101,
The collar 117 is placed in circular sleeve 108, and some Magnet 114 are evenly distributed on the collar 117.
The collar 117 is made of plastics, it is possible to use two semicircular working of plastics docking to form, Magnet 114
It is arranged on the collar 117;Magnet 114 is permanent magnet or magnetic links, is embedded in the collar 117, at magnetic
When ferrum is with axis 101 synchronous axial system, the second Hall subassembly 116 produces the signal of telecommunication and is sent to controller or instrument
Table.
The operation principle of the crank torque measuring device in above example is: as shown in Figure 1 to Figure 3, when
When the people that rides tramples foot-operated 102, producing a downward pressure F1, corresponding moment of torsion is T1=F1 × L1 (L1
The arm of force for pedal force F1), now chain 104 is strained, and produces a counteracting force F2, corresponding moment of torsion
T2=F2 × L2 (L2 is the arm of force of counteracting force F2, owing to chain 104 is on the edge circumference of chain drum 105,
Therefore the radius that L2 is chain drum 105), due to T1=T2,105 power F2 of chain drum are conducted to axis 101, in
Axle 101 produces one and F2 equal pressure F3,101 these pressure conductions of axis to boss 1091, due to
Contacting with shell fragment 111 after boss 1091 stress F3, shell fragment 111 stress F4 is deformed, wherein F4=F3,
The resistance strain gage 1111 being attached on shell fragment 111 just measures the size of pressure F4, the most just can draw crank
The functional relationship of moment of torsion is: T1=F4xL2;Telecommunications when 1111 representative pressure F4 sizes of resistance strain gage
When number passing to electric machine controller, the size of the torque T 1 of the crank 103 that electric machine controller can also counter be released,
And be automatically adjusted the output torque of electric bicycle motor, thus electric bicycle manpower can also be realized
Combination with electric power.
Crank torque measuring device in above-described embodiment, one end of clutch shaft bearing seat has boss, carries mould
Block is arranged at this boss, increases the design space of carrier module, and its simple in construction designs ingenious, root
The size of shell fragment stress is measured in deformation according to shell fragment the most accurately, thus calculates the size of foot-operated moment of torsion, electricity
Dynamic bicycle motor regulates the output of electric bicycle motor according to shell fragment stress size or foot-operated torque
Moment of torsion, co-ordination.In above example, due to electric bicycle in addition to crank torque measuring device
Other parts be prior art, other parts in addition to crank torque measuring device of intelligent bicycle are also
For prior art, the most no longer electric bicycle and intelligent bicycle are repeated one by one.
Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and
In detail, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that,
For the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to
Making some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model
The protection domain of patent should be as the criterion with claims.
Claims (9)
1. a crank torque measuring device, is arranged at bottom or the intelligent bicycle car of electric bicycle fame
The bottom of frame, and be connected with the instrument on the controller being arranged on electric bicycle or intelligent bicycle, its
It is characterised by:
Including circular sleeve, clutch shaft bearing, clutch shaft bearing seat, the second bearing, carrier module and sensing device,
Described clutch shaft bearing, described clutch shaft bearing seat, described second bearing and described carrier module are placed in described circle
In sleeve;Described clutch shaft bearing and described second bearing for being arranged on the axis of described electric bicycle or
On the axis of described intelligent bicycle, the two ends of described axis are respectively exposed to the both sides of described circular sleeve;
Described clutch shaft bearing seat has installing hole, and described installing hole is shoulder hole, and described shoulder hole includes aperture
The the first hole portion matched with the external diameter of described clutch shaft bearing and aperture less than described clutch shaft bearing external diameter the
Two holes portion, one end of described clutch shaft bearing seat has boss;
Described carrier module, near the chain drum end of described axis, described carrier module is provided with directed cavity, institute
State boss to be placed in described directed cavity;Outside the external diameter of described carrier module is more than the maximum of described clutch shaft bearing seat
Footpath;Described sensing device is arranged in described directed cavity, for measuring between described boss and carrier module
Relative displacement or force value.
Crank torque measuring device the most according to claim 1, it is characterised in that:
Described directed cavity be shaped as tetragon, hexagon or class hexagon, at least a part of which have both sides inwall put down
OK;
The longitudinal section peripheral shape of described boss is tetragon, hexagon or class hexagon, and at least a part of which has two
Side outside wall parallel;
Parallel described both sides inwall matches with parallel described both sides outer wall respectively, makes described boss and leads
Matching to chamber, described boss can be along parallel described both sides inwall closer or far from described sensing device
Mobile.
Crank torque measuring device the most according to claim 2, it is characterised in that:
Described sensing device includes shell fragment and the resistance strain gage being arranged on shell fragment;
Being provided with groove on the side inwall of described directed cavity, described shell fragment is embedded in described groove, described
The side away from described clutch shaft bearing seat of groove is provided with depressed part, described resistance strain gage and described depression
Portion is formed and keeps away bit space.
Crank torque measuring device the most according to claim 2, it is characterised in that:
Described sensing device includes shell fragment and electron displacement sensing element;
Being provided with groove on the side inwall of described directed cavity, described shell fragment is embedded in described groove, described
The side away from described boss of groove is provided with depressed part, and described shell fragment and described depressed part are formed keeps away position sky
Between;
Described electron displacement sensing element includes the first Hall subassembly and can pass through phase with described first Hall subassembly
Displacement is produced the first magnet of electromotive force;
Described first Hall subassembly is arranged on described carrier module, and described first magnet is arranged at described boss
On, described first Hall subassembly and described first magnet are disposed adjacent, described first Hall subassembly and described the
The electromotive force produced between one magnet passes to the relative shift between described boss and described carrier module
Described controller or described instrument.
Crank torque measuring device the most according to claim 1, it is characterised in that:
Described crank torque measuring device also includes the second bearing block supporting described second bearing;
Described carrier module is threaded with circular sleeve, rivet interlacement or screw are connected;
Described second bearing block is threaded with circular sleeve, rivet interlacement or screw are connected.
Crank torque measuring device the most according to claim 5, it is characterised in that:
It is additionally provided with on described carrier module for its fastening and the first pre-load nut of location;
The second pre-load nut for it is fastened it is provided with on described second bearing block.
7. according to the crank torque measuring device described in any one of claim 1-6, it is characterised in that:
Described crank torque measuring device also includes the speed measuring device measuring axis rotating speed, described speed measuring device bag
Include the second Hall subassembly, the collar and the some Magnet being arranged on the described collar;
Described second Hall subassembly is arranged on described clutch shaft bearing seat, the described collar be used for being set in described in
On axle, being placed in described circular sleeve, described some Magnet are evenly distributed on the described collar;
When the described collar is with described axis synchronous axial system, the signal of telecommunication transmission that described second Hall subassembly produces
To described controller or described instrument.
8. an electric bicycle, including vehicle frame, the controller that is arranged on vehicle frame, and axis, described
One end of axis is mounted with chain drum and a pedal crank of electric bicycle, and the other end is mounted with electric bicycle
Another pedal crank, it is characterised in that:
Also include the crank torque measuring device as described in any one of claim 1 to 7, described crank torque
Measurement apparatus is arranged at the bottom of described electric bicycle fame.
9. an intelligent bicycle, described intelligent bicycle not using accumulator as supplementary energy, including vehicle frame,
Measuring instruments and axis, one end of described axis is mounted with chain drum and a pedal crank, the other end of bicycle
It is mounted with another pedal crank of bicycle, it is characterised in that:
Also include the crank torque measuring device as described in any one of claim 1 to 7, described crank torque
Measurement apparatus is arranged at the bottom of described intelligent bicycle vehicle frame, electrically connects with described measuring instruments.
Priority Applications (1)
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CN201620477063.0U CN205785619U (en) | 2016-05-24 | 2016-05-24 | Crank torque measuring device and electric bicycle and intelligent bicycle |
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CN201620477063.0U CN205785619U (en) | 2016-05-24 | 2016-05-24 | Crank torque measuring device and electric bicycle and intelligent bicycle |
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CN201620477063.0U Expired - Fee Related CN205785619U (en) | 2016-05-24 | 2016-05-24 | Crank torque measuring device and electric bicycle and intelligent bicycle |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107238453A (en) * | 2017-06-29 | 2017-10-10 | 太仓市荣驰电机有限公司 | A kind of device for pressure measurement |
CN107806949A (en) * | 2017-12-08 | 2018-03-16 | 广州市快易达工贸有限公司 | A kind of dynamic pickup structure |
CN108871639A (en) * | 2018-05-07 | 2018-11-23 | 重庆三叶花科技有限公司 | Axis moment inspecting system |
CN115987029A (en) * | 2023-03-22 | 2023-04-18 | 常州市佳博机械制造有限公司 | Hub torque and rotating speed induction integrated motor |
-
2016
- 2016-05-24 CN CN201620477063.0U patent/CN205785619U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107238453A (en) * | 2017-06-29 | 2017-10-10 | 太仓市荣驰电机有限公司 | A kind of device for pressure measurement |
CN107806949A (en) * | 2017-12-08 | 2018-03-16 | 广州市快易达工贸有限公司 | A kind of dynamic pickup structure |
CN108871639A (en) * | 2018-05-07 | 2018-11-23 | 重庆三叶花科技有限公司 | Axis moment inspecting system |
CN108871639B (en) * | 2018-05-07 | 2020-10-16 | 重庆三叶花科技有限公司 | Center shaft moment detection system |
CN115987029A (en) * | 2023-03-22 | 2023-04-18 | 常州市佳博机械制造有限公司 | Hub torque and rotating speed induction integrated motor |
CN115987029B (en) * | 2023-03-22 | 2023-07-25 | 常州市佳博机械制造有限公司 | Hub torque and rotation speed sensing integrated motor |
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