CN108036889A - End contact torque sensor and Moped Scooter - Google Patents
End contact torque sensor and Moped Scooter Download PDFInfo
- Publication number
- CN108036889A CN108036889A CN201711489520.3A CN201711489520A CN108036889A CN 108036889 A CN108036889 A CN 108036889A CN 201711489520 A CN201711489520 A CN 201711489520A CN 108036889 A CN108036889 A CN 108036889A
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- input end
- moment input
- acting surface
- torque sensor
- end contact
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- 238000003825 pressing Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000003068 static effect Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 12
- 230000008602 contraction Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 7
- 239000000306 component Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
- G01L5/225—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers to foot actuated controls, e.g. brake pedals
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A kind of end contact torque sensor, including：Body unit, including the first acting surface and the second acting surface being oppositely arranged；Moment input end, driven by torque to be measured and rotated, and form end contact with first acting surface and transmit driving force, the driving force is used to drive the body unit to rotate and be axially moveable, and makes the axially adjacent moment input end of second acting surface；Pressure sensor, for inductively measuring axial force, the axial force is the axial component of the driving force；Second acting surface, the pressure sensor, the moment input end and first acting surface are sequentially distributed along the axial rotary of the moment input end.End contact torque sensor and Moped Scooter provided by the invention have the advantages that it is compact-sized, be quick on the draw, measure it is accurate, meet Moped Scooter apply needs.
Description
Technical field
The invention belongs to sensor technical field, specifically, it is a kind of end contact torque sensor and electronic helps
Power car.
Background technology
Moped Scooter is a kind of based on bicycle structure, adds the tricycle type with electrical driving unit.It is electronic
Vehicle using motor can trample dynamics according to bicyclist, there is provided corresponding power support, mitigates the burden of riding of bicyclist, make to ride easypro
Appropriateness is greatly increased with mileage of riding, thus is gradually welcome be subject to market.
Wherein, torque sensor is the core component of Moped Scooter.Torque sensor is used to inductively measure bicyclist's
Ride torque, judgement basis is provided for the power output of electrical driving unit.Torque sensor perceptually bicyclist be intended to
Component, its performance are most important.
At present, torque sensor there is no method to reach self-sufficiency by external import, the country more.Even external existing production
Product, it is also how complicated, cost is high, it is difficult to meet the market needs developed rapidly.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of end contact torque sensor and electric boosted
Car, have the advantages that it is compact-sized, be quick on the draw, measure it is accurate.
The purpose of the present invention is achieved through the following technical solutions：
A kind of end contact torque sensor, including：
Body unit, including the first acting surface and the second acting surface being oppositely arranged；
Moment input end, is driven by torque to be measured and is rotated, and forms end contact with first acting surface and transmit
Driving force, the driving force are used to drive the body unit to rotate and be axially moveable, and make second acting surface vertically
Close to the moment input end；
Pressure sensor, for inductively measuring axial force, the axial force is the axial component of the driving force；
Second acting surface, the pressure sensor, the moment input end and first acting surface are along the power
The axial rotary of square input terminal is sequentially distributed.
As the improvement of above-mentioned technical proposal, the moment input end has transmission towards one end of first acting surface
Curved surface, the transmission curved surface have identical surface profile with first acting surface and form end face occluding relation.
Further as above-mentioned technical proposal is improved, and the transmission curved surface is by rotation of the form wire along the moment input end
Turn radially to scan to smooth contraction from outer to inner and form, the form wire is by rotational circle of the curve of cyclical fluctuations along the moment input end
All smoothly head and the tail rings, which connect, to be formed, and the curve of cyclical fluctuations has what the axial rotary flat volatility along the moment input end rose and fell
Profile.
Further as above-mentioned technical proposal is improved, and the curve of cyclical fluctuations is sine curve or cosine curve.
Further as above-mentioned technical proposal is improved, and the moment input end includes rotating ring body and static element, described
Rotate ring body to be driven by the torque to be measured and be rotatably held on the static element, the pressure sensor is installed on institute
State on static element.
Further as above-mentioned technical proposal is improved, and the body unit includes the installation body being fixedly mounted and pressing
Lid, the installation body have first acting surface towards the side of the moment input end, and the capping that presses is to described
The side of moment input end has second acting surface.
Further as above-mentioned technical proposal is improved, and the installation body covers spiral connection, the power with the pressing
Square input terminal, the pressing lid are connected by clutch shaft bearing with the pressure sensor respectively, and the clutch shaft bearing is used to bear
The axial force.
Further as above-mentioned technical proposal is improved, between the installation body and the pressing lid by positioning pin and
Realize positioning.
Further as above-mentioned technical proposal is improved, and the end contact torque sensor further includes speed probe list
Member, for measuring rotating speed and/or the direction of the moment input end.
A kind of Moped Scooter, including the end contact torque sensor described in car body, chain wheel and any of the above item, it is described
Chain wheel is rotatably held on the car body, and the body unit is installed on the chain wheel, and the moment input end is used for
With middle axis connection and being driven and being rotated.
The beneficial effects of the invention are as follows：
Second acting surface, pressure sensor, moment input end and the first acting surface along moment input end axial rotary according to
Secondary distribution, torque to be measured rely on oneself square input terminal input, through between moment input end and the first acting surface end contact effect turn
Axial force is changed to, and then is transferred to pressure sensor and realizes measurement of inductance, driving-chain is succinct and measures precisely, tight with structure
Gather, is cheap, be easily achieved, be quick on the draw, measuring the advantages that accurate.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the configuration schematic diagram of end contact torque sensor provided in an embodiment of the present invention；
Fig. 2 is the partial structural diagram of end contact torque sensor provided in an embodiment of the present invention；
Fig. 3 is the configuration schematic diagram for the Moped Scooter that the embodiment of the present invention 4 provides.
Main element symbol description：
1000- Moped Scooters, 0100- end contact torque sensors, 0110- body units, 0111- installation bodies,
The first acting surfaces of 0111a-, 0111b- mounting jaws, 0112- pressing lids, the second acting surfaces of 0112a-, 0113- positioning pins, 0120-
Moment input end, 0121- rotate ring body, 0121a- transmission curved surfaces, 0121b- form wires, 0122- static elements, 0130- pressure biography
Sensor, 0140- clutch shaft bearings, 0150- second bearings, 0160- speed sensor units, 0161- Hall sensors, 0162- magnetic
Body, 0200- chain wheels, 0300- axis, 0400- cranks.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings to end face contact force square sensor and Moped Scooter
It is described more fully.The preferred embodiment of end contact torque sensor and Moped Scooter is given in attached drawing.But
End contact torque sensor and Moped Scooter can be realized by many different forms, however it is not limited to described herein
Embodiment.On the contrary, the purpose for providing these embodiments is the public affairs made to end face contact force square sensor and Moped Scooter
Open content more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
There is no intermediary element.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood implication of technical staff is identical.The institute in the specification of end contact torque sensor and Moped Scooter herein
The term used is intended merely to the purpose of description specific embodiment, it is not intended that the limitation present invention.Term as used herein
" and/or " include the arbitrary and all combinations of one or more relevant Listed Items.
Embodiment 1
Fig. 1~2 are please referred to, the present embodiment provides a kind of end contact torque sensor 0100, the end contact power
Square sensor 0100 includes body unit 0110, moment input end 0120 and pressure sensor 0130, to realize to torque
It is fast and accurately measure, have the advantages that it is compact-sized, be quick on the draw, measure it is accurate.The end contact torque is passed below
The main construction of sensor 0100 describes in detail.
Illustrate first, in the present embodiment, torque to be measured square input terminal 0120 of relying on oneself inputs, through moment input end
End contact effect between 0120 and body unit 0110 is converted to axial force, and then is transferred to pressure sensor 0130 and real
Now inductively measure.
Body unit 0110 includes the first acting surface 0111a and the second acting surface 0112a being oppositely arranged.First acting surface
0111a is used to realize the conversion between torque and axial force in a manner of end contact, and the axial force is via body unit 0110
Entity part and be transferred to the second acting surface 0112a.Second acting surface 0112a is used to the axial force being further transferred to pressure
Sensor 0130, realizes that the power of body unit 0110 transmits function.
Moment input end 0120 is driven by torque to be measured and is rotated, and is transmitted with the first acting surface 0111a end contacts
Driving force, the driving force are used to drive body unit 0110 to rotate and be axially moveable, and the second acting surface 0112a is connect vertically
Nearly moment input end 0120.
Specifically, tangential component, that is, tangential force of driving force, for driving body unit 0110 to rotate；The axial direction of driving force
Component is foregoing axial force, for driving body unit 0110 and moment input end 0120 that axial relative motion occurs.
Visibly, moment input end 0120 has common rotating characteristic with body unit 0110.Correspondingly, torque inputs
End 0120 is identical with the axial rotary of body unit 0110, which is foregoing axial direction, such as axial force, axial component
And axial movement both originates from this.Exemplarily, moment input end 0120 has coaxial relation with body unit 0110, i.e. torque is defeated
Entering end 0120 and body unit 0110 has common axis of rotation.
Exemplarily, there is non-zero included angle between the first acting surface 0111a and the axial rotary of moment input end 0120.Should
Work as understanding, the first acting surface 0111a can adopt the way of realization of curved surface or plane, i.e., such as the conical surface, sphere or other forms.Accordingly
Ground, the end face of moment input end 0120 are closely engaged with the first acting surface 0111a, form foregoing end contact.
Visibly, so-called end contact, refers to the face Contact Transmission relation for betiding driving member end.End contact relation
Requiring nothing more than between the end face of driving member has matching relationship, curved surface change is occurred only at driving member end face, curve form is simple
And it is easy to process, it is effectively reduced manufacture cost.In addition, simple shape is also beneficial to the reliability for ensureing transmission.
In aforementioned structure, the second acting surface 0112a, pressure sensor 0130, moment input end 0120 and first act on
Face 0111a is sequentially distributed along the axial rotary of moment input end 0120.Axial force drives body unit 0110 to be axially moveable, the
Two acting surface 0112a are by close to side of the moment input end 0120 away from the first acting surface 0111a.It is directly affected as second
Acting surface 0112a and moment input end 0120 are from both sides compressive pressure sensor 0130, so that by the axial force transmission in pressure
Sensor 0130.
The surface configuration and the outer contour of pressure sensor 0130 of second acting surface 0112a is adapted, to keep fitting to make
With and ensure the accuracy of power transmission.Exemplarily, the second acting surface 0112a is vertical with the rotation axis of moment input end 0120,
Make active force consistent with axial force direction, transfer route is direct and brief, has ideal transmitting accuracy.
As it was previously stated, pressure sensor 0130 is used to inductively measure aforementioned axial power.The form of pressure sensor 0130 is many
It is more, selected according to practical application.Exemplarily, pressure sensor 0130 is diaphragm pressure sensor, has diaphragm type structure
And volume is small, the dimension chain of end contact torque sensor 0100 is set significantly to compress, so as to improve manufacture and assembly precision.Into
One step is preferred, which is waterproof form, has good water proofing property.In another demonstration example, pressure sensing
Device 0130 can be the other types such as strain pressure transducer.
Preferably, end contact torque sensor 0100 further includes speed sensor unit 0160, the speed probe list
Member 0160 is used for rotating speed and/or the direction for measuring moment input end 0120.Wherein, speed sensor unit 0160 can use machine
Tool, electrically, magnetic, light and it is hybrid the methods of realize.
Exemplarily, speed sensor unit 0160 includes Hall sensor 0161 and magnetic bead.Wherein, a plurality of Halls pass
Sensor 0161 is connected in the rack for the equipment that end contact torque sensor 0100 is applied, and plurality of magnets 0162 is then arranged on
In moment input end 0120 or body unit 0110.Further, a plurality of Hall sensors 0161 and magnet 0162 are along power
Square input terminal 0120 or the rotation round of body unit 0110 are uniformly distributed.
When moment input end 0120 rotates, magnet 0162 rotates with, 0161 remains stationary of Hall sensor and produce
Hall effect, so as to measure the rotating speed of moment input end 0120.Meanwhile according to the measurement between a plurality of Hall sensors 0161
The synthesis of value, you can judge the direction of rotation of moment input end 0120.Supplementary notes, the measured value of speed sensor unit 0160
For rotating speed vector.
Embodiment 2
Fig. 1~2 are please referred to, on the basis of embodiment 1, the present embodiment provides a kind of end face with improved structure
Torque sensor 0100 is contacted, it thes improvement is that the specific configuration of body unit 0110.Below to body unit 0110
Structure describes in detail, remaining already described part in embodiment 1, details are not described herein.
Body unit 0110 can use integrated formed structure, can also use split type splicing construction.Preferably, body unit
The 0110 installation body 0111 for including being fixedly mounted installs body 0111 towards the one of moment input end 0120 with pressing lid 0112
Side has the first acting surface 0111a, and pressing lid 0112 has the second acting surface 0112a towards the side of moment input end 0120.
Body 0111 is installed with pressing lid 0112 and using connection modes such as nail joint, welding, makes phase does not occur therebetween
To movement.Preferably, body 0111 and pressing 0112 spiral connection of lid are installed, simplify assembly technology.Further preferably, this is installed
Positioned between body 0111 and pressing lid 0112 by positioning pin 0113 to realize, avoid the two from being loosened in rotary course generation de-
Fall, ensure reliable one movement.
Exemplarily, install body 0111 and pressing lid 0112 has loop configuration respectively.Pressing lid 0112 passes through screw thread
Connection is embedded to be installed in installation body 0111, the two encirclement forms a receiving portion, for accommodating moment input end 0120, is formed
Compact assembling structure.
Wherein, moment input end 0120, pressing lid 0112 are connected by clutch shaft bearing 0140 and pressure sensor 0130 respectively
Connect, clutch shaft bearing 0140 is used to bear axial force.In other words, 0130 both ends of pressure sensor are respectively equipped with clutch shaft bearing 0140,
Form the distribution of moment input end 0120- clutch shaft bearing 0140- pressure sensor 0130- clutch shaft bearings 0140- pressing lids 0112
Structure.During practical application, pressing lid 0112, from both sides compressive pressure sensor 0130, obtains axial force with moment input end 0120
To be transferred to pressure sensor 0130.
Wherein, the numerous types of clutch shaft bearing 0140, are preferably thrust bearing.Thrust bearing is only used for bearing axial load
Lotus, avoids the transmission of axial force from being interfered, and ensures to transmit accuracy.Exemplarily, thrust bearing is plane needle-roller thrust axis
Hold, further compress the structure size and driving-chain of end face contact force square sensor 0100, it is compact to be allowed to more shape.
Embodiment 3
Fig. 1~2 are please referred to, on the basis of embodiment 1 or 2, the present embodiment provides a kind of with improved structure
End contact torque sensor 0100, it thes improvement is that the concrete form of end contact.Below to the structure of end contact
Describe in detail, remaining already described part in embodiment 1 or 2, details are not described herein.
Preferably, moment input end 0120 has transmission curved surface 0121a, transmission towards one end of the first acting surface 0111a
Curved surface 0121a has identical surface profile with the first acting surface 0111a and forms end face occluding relation.It is it should be appreciated that so-called
One end, however it is not limited to which the axial outer contour end of moment input end 0120, only refers to the exposed junction for facing the first acting surface 0111a directly
Face.
As its name suggests, transmission curved surface 0121a has curve form, acts on and is able to before being formed with the first acting surface 0111a
State driving force.Preferably, be driven curved surface 0121a by form wire 0121b along moment input end 0120 rotation radially from outer to inner
Scan to smooth contraction and form, form wire 0121b by the curve of cyclical fluctuations along moment input end 0120 rotation round smoothly head and the tail
Ring, which connects, to be formed, and the curve of cyclical fluctuations has the profile that the axial rotary flat volatility along moment input end 0120 rises and falls.Exemplarily, edge
The rotating diameter of moment input end 0120 is directed toward the direction in axle center, the amplitude of the curve of cyclical fluctuations of composition form wire 0121b and cycle
Taper off variation relation, transmission curved surface 0121a smooth surfaces is continuously risen and fallen.Exemplarily, it is anchor ring knot to be driven curved surface 0121a
Structure.
Further preferably, form wire 0121b is smoothly first along the rotation round of moment input end 0120 by the curve of cyclical fluctuations
The cyclic curve that tail ring connects.That is, any form wire 0121b connect by least one identical curve of cyclical fluctuations head and the tail ring and
Into having periodic characteristic.Exemplarily, any form wire 0121b is connect by a plurality of identical curve of cyclical fluctuations head and the tail rings and formed, and
Junction is smoothly continuous.As it was previously stated, curve of cyclical fluctuations undulation and keeping smooth continuous.Exemplarily, the curve of cyclical fluctuations is week
Phase function curve, is preferably sine curve or cosine curve.
It should be appreciated that the first acting surface 0111a is adapted with being driven the surface profile of curved surface 0121a.It is bent in aforementioned drive
Under any case of face 0121a, transmission curved surface 0121a has mechanical periodicity feature, avoids the face way of contact under big plane
Excessive damping.Since frictional damping is smaller, the transmission sensitivity being driven between curved surface 0121a and the first acting surface 0111a is very high,
Sense accurate and reproducible.
Preferably, moment input end 0120 includes rotating ring body 0121 and static element 0122.Wherein, rotate ring body 0121 by
Torque to be measured drives and is rotatably held on static element 0122, and pressure sensor 0130 is installed on static element 0122.Change
Yan Zhi, rotates ring body 0121 and is directly driven by external rotating member, and static element 0122 then begins in the rotary course for rotating ring body 0121
Whole remains stationary.Exemplarily, introduced by embodiment 2 one end end face for rotating ring body 0121 close to the first acting surface 0111a
Transmission curved surface 0121a.Exemplarily, static element 0122 is quiet for preventing away from one end spacing tooth circle for rotating ring body 0121
Stop member 0122 rotates.
Further preferably, rotate between ring body 0121 and static element 0122 and be arranged second bearing 0150, for bearing radially
The relative rotation that load and ensureing is rotated between ring body 0121 and static element 0122 is steady.The numerous types of second bearing 0150,
Preferably radial bearing, is subjected only to radial load and avoids motion artifacts.
Exemplarily, clutch shaft bearing 0140 is mounted on static element 0122 with pressure sensor 0130, not defeated with torque
Enter end 0120 to rotate, clutch shaft bearing 0140 is subjected only to axial force in application process with pressure sensor 0130, avoid by
To hindering and damaging for rotary motion.
Exemplarily, a plurality of Hall sensors 0161 are all connected to static element possessed by speed sensor unit 0160
On 0122, do not rotate in application process, so as to ensure the relative motion between Hall sensor 0161 and magnet 0162, protect
Demonstrate,prove the measuring condition of rotating speed vector.
Embodiment 4
Fig. 1~3 are please referred to, the present embodiment provides a kind of Moped Scooter 1000, which includes
Any one end contact torque sensor 0100 for being introduced of car body, chain wheel 0200 and embodiment 1~3, by measure torque and
Corresponding auxiliary power is provided to bicyclist.
It should be appreciated that Moped Scooter 1000 is based on bicycle structure, and adds and provide power with electrical driving unit
Support.Wherein, electrical driving unit generally comprises motor, corresponding output power.The car body of Moped Scooter 1000 with voluntarily
Car is without the slightest difference on the whole, and details are not described herein.Only the connection relation at chain wheel 0200 is introduced below.
Chain wheel 0200 is rotatably held on car body, and body unit 0110 is installed on chain wheel 0200, moment input end
0120 is used to be connected with axis 0300 and be driven and rotate.Exemplarily, installation body 0111 is equipped with mounting jaw 0111b,
It is anchored on by mounting jaw 0111b on chain wheel 0200.Rotate ring body 0121 be connected with axis 0300, axis 0300 so with song
Handle 0400 connects.Under the driving of crank 0400, rotate ring body 0121 and rotated in the lump with axis 0300.Static element 0122 is helped with electronic
The car body of power car 1000 is connected, and remains static in the rotary course for rotating ring body 0121.
In application, bicyclist tramples and by crank 0400 and input power, make chain wheel 0200, rotate ring body 0121 and this
Body unit 0110 rotates in the lump, so as to inductively measure the torque of riding of bicyclist.Electrical driving unit is according to end contact torque
The measured value of sensor 0100, exports corresponding auxiliary power, mitigates the burden of riding of user.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, without
It is that therefore, other examples of exemplary embodiment can have different values as limitation.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Therefore limitation of the scope of the invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.Therefore, protection scope of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. end contact torque sensor, it is characterised in that including：Body unit, including the first acting surface and the second acting surface being oppositely arranged；Moment input end, is driven by torque to be measured and is rotated, and forms end contact with first acting surface and transmit driving Power, the driving force are used to drive the body unit to rotate and be axially moveable, and make second acting surface axially adjacent The moment input end；Pressure sensor, for inductively measuring axial force, the axial force is the axial component of the driving force；Second acting surface, the pressure sensor, the moment input end and first acting surface are defeated along the torque The axial rotary for entering end is sequentially distributed.
- 2. end contact torque sensor according to claim 1, it is characterised in that the moment input end is towards described One end of first acting surface has transmission curved surface, and the transmission curved surface has identical surface profile simultaneously with first acting surface Form end face occluding relation.
- 3. end contact torque sensor according to claim 2, it is characterised in that the transmission curved surface is by form wire edge The rotation of the moment input end is radially scanned to smooth contraction and formed from outer to inner, and the form wire is as the curve of cyclical fluctuations described in Smoothly head and the tail ring connects and forms the rotation round of moment input end, and the curve of cyclical fluctuations has the rotation along the moment input end The profile that axial flat volatility rises and falls.
- 4. end contact torque sensor according to claim 3, it is characterised in that the curve of cyclical fluctuations is sine curve Or cosine curve.
- 5. end contact torque sensor according to claim 1, it is characterised in that the moment input end includes rotating Ring body and static element, the rotation ring body is driven by the torque to be measured and is rotatably held on the static element, described Pressure sensor is installed on the static element.
- 6. end contact torque sensor according to claim 1, it is characterised in that the body unit includes fixed pacify The installation body of dress is covered with pressing, and the installation body has first acting surface towards the side of the moment input end, The pressing capping has second acting surface to the side of the moment input end.
- 7. end contact torque sensor according to claim 6, it is characterised in that the installation body and the pressing Spiral connection is covered, the moment input end, the pressing lid are connected by clutch shaft bearing with the pressure sensor respectively, described Clutch shaft bearing is used to bear the axial force.
- 8. end contact torque sensor according to claim 6, it is characterised in that the installation body and the pressing Positioning is realized by positioning pin between lid.
- 9. end contact torque sensor according to claim 1, it is characterised in that speed sensor unit is further included, For measuring rotating speed and/or the direction of the moment input end.
- 10. a kind of Moped Scooter, including car body, it is characterised in that further include chain wheel and claim 1-9 any one of them End contact torque sensor, the chain wheel are rotatably held on the car body, and the body unit is installed on the tooth On disk, the moment input end is used for and middle axis connection and is driven and rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489520.3A CN108036889B (en) | 2017-12-29 | 2017-12-29 | End face contact torque sensor and electric power-assisted vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489520.3A CN108036889B (en) | 2017-12-29 | 2017-12-29 | End face contact torque sensor and electric power-assisted vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108036889A true CN108036889A (en) | 2018-05-15 |
| CN108036889B CN108036889B (en) | 2023-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711489520.3A Active CN108036889B (en) | 2017-12-29 | 2017-12-29 | End face contact torque sensor and electric power-assisted vehicle |
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| US6418797B1 (en) * | 1998-03-04 | 2002-07-16 | Graber Products, Inc. | Apparatus and method for sensing power in a bicycle |
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| CN105043615A (en) * | 2014-11-10 | 2015-11-11 | 新安乃达驱动技术(上海)有限公司 | Rotating shaft system capable of dynamically measuring rotary moment and method and device thereof |
| CN105318998A (en) * | 2014-08-05 | 2016-02-10 | 捷奥比电动车有限公司 | Novel torque sensor for electric vehicle |
| CN207585820U (en) * | 2017-12-29 | 2018-07-06 | 深圳市奥酷曼智能技术有限公司 | End face contacts torque sensor and Moped Scooter |
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| GB9808336D0 (en) * | 1997-08-01 | 1998-06-17 | Rotork Controls | Improved thrust sensors |
| US6418797B1 (en) * | 1998-03-04 | 2002-07-16 | Graber Products, Inc. | Apparatus and method for sensing power in a bicycle |
| CN103673868A (en) * | 2012-09-14 | 2014-03-26 | 雅马哈发动机株式会社 | Relative rotational angular displacement detection device, torque detection device, torque control device, and vehicle |
| CN105318998A (en) * | 2014-08-05 | 2016-02-10 | 捷奥比电动车有限公司 | Novel torque sensor for electric vehicle |
| CN105043615A (en) * | 2014-11-10 | 2015-11-11 | 新安乃达驱动技术(上海)有限公司 | Rotating shaft system capable of dynamically measuring rotary moment and method and device thereof |
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