CN107628185A - Torsion force indicator - Google Patents
Torsion force indicator Download PDFInfo
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- CN107628185A CN107628185A CN201610563442.6A CN201610563442A CN107628185A CN 107628185 A CN107628185 A CN 107628185A CN 201610563442 A CN201610563442 A CN 201610563442A CN 107628185 A CN107628185 A CN 107628185A
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- torsion
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- force indicator
- magnetic conduction
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Abstract
The present invention provides a kind of torsion force indicator, the torque force transmission mechanism part for having magnetic expansion performance including one is arranged in outer layer, make into the sleeve of shelly, and carved thereon and engrave the spiral lamination run through and bring up by the driving member of a pair of oppositely oriented spiral ribs connections, in it and a pair of magnetic conduction rolls are surrounded, and a pair of excitation coils and a pair of measuring coils are wound on magnetic conduction roll.When excitation coil passes to alternating current, excited target and the caused magnetic line of force can be directed through spiral ribs by concentration, performance torsion conveying member that can be more efficiently is sensed a voltage signal in measuring coil and reaches the effect of detecting torsion by magnetic flex effect during twisting load.
Description
Technical field
The present invention relates to a kind of torsion force indicator, the particularly relevant outer sleeve by positioned at torsion force indicator transmits torsion
A kind of telescopic torsion force indicator of magnetic.
Background technology
Widely made by the method for torque magnitude to detect fixing axle or swivel bearing using permeability magnetic material magnetic expansion performance
With the method detects the change of permeability in fixing axle or rotary shaft using torsion is applied when in fixing axle or rotary shaft, can
Calculate the torque magnitude put on the axle.The telescopic torque force detection of magnetic is a kind of contactless torque force detection, compared to it
His torque force detection mode whether there is abrasion, is not required to the advantages such as maintenance, reliability height.
The phenomenon of magnetic expansion performance is that the permeability of the material can accordingly change when certain material bears pulling force or pressure
Become, if permeability increases and increased with pulling force, or increases when reducing with pressure, claim the material to have positive magnetic expansion performance, conversely,
Then claim material tool negative magnetic expansion performance.So when imposing torsion on an axle, this axle will produce drawing respectively at positive and negative 45 degree of angles
Power and pressure, and the phenomenon that permeability increases or decreases is produced, respectively configured extremely in positive and negative 45 degree of angular direction of axle using this phenomenon
Few one group of coil is as detector, or adjacent takes length-specific distinctly to process the spiral lamination groove at positive and negative 45 degree of angles on axle
(or rib), and can all cause in its relevant position periphery configuration at least one set coil as detector because of the change of permeability
This group of coil inductance changes accordingly, and phase is detected using appropriate circuit configuration when passing to AC power to coil
The torque value answered.These are applied substantially is found in United States Patent (USP) No. 4506554, No. 4697459, No. 4765192, No. 4823620
Deng patent document.
The structure substantially power transmission shaft of the telescopic torsion force indicator of traditional magnetic is all located at center, and detection lines corral is around in
Outside, and there is a drum type brake magnetic guiding loop as outer ring to increase detecting sensitivity.This configuration mode is also applied to motor power
No. 293508 patent of No. 8807260 patent of auxiliary pedal cycle, such as US patent number and TaiWan, China patent number, only
Such a application is mounted on bicycle five and led in (bottom bracket shell), and detecting pedal crank axle is acted on by pedal force
When caused torsion, this torsion signal will be converted into digital signal and transmit to a control unit as judgement basis, to
Control one provides the operating opportunity of the motor of power-assisted.Right such a configuration mode need to change the external form and assembling interface of original vehicle frame,
Still dislike inconvenience using upper.
The content of the invention
In view of this, the purpose of the present invention aims to provide a kind of torsion force indicator of the preferred versions suitable for bicycle,
To detect the pedal force that rider imposes on pedal.The power input of bicycle and power output are respectively pedal and trailing wheel
Tire, in this settable pedal force detector, or set torsion force indicator to detect pedal force between the two.The present invention exists
Torsion force indicator is set between bicycle rear trochal disc and wheel hub, original vehicle frame, pedal crank, bent axle, deep bid etc. can not changed
Configuration, and be easily integrated into trailing wheel, significantly simplify combinator.
The technological means of the present invention is to fix in support shaft to set the telescopic torsion force indicator of a magnetic in one, including：One turns round
Power transmits sleeve, and hollow shelly is made by the metal with magnetic expansion performance and is pivotally connected with the fixation support shaft, torsion transmission
Sleeve forms a pair or so oppositely oriented spiral ribs in middle section, and torsion transmission sleeve has a power intake and one
Clutch end；A pair of magnetic conduction rolls, are made by high permeability material, and spiral ribs are surrounded by this and are fixed on fixation
In support shaft；And a coil group, be wound in this on magnetic conduction roll, for detect torsion transmission sleeve by during twisting load
This changes to permeability caused by spiral ribs.
On further implement, present invention additionally comprises：
Wherein the spiral ribs form in a specific axis away from the interior plural rib arranged by circumferential equal pitch.
Wherein the spiral ribs oppositely oriented to left and right have a helixangleθ, and 0 respectively<∣θ∣≤45°.
The plate-like earring-shaped that wherein the magnetic conduction roll extends toward external radiation respectively from a cylinder and along the cylinder both sides
Into.Wherein, an air gap is formed between the plate-like earrings of the magnetic conduction roll and torsion transmission sleeve.Wherein, the magnetic conduction roll, should
Air gap forms magnetic loop with the spiral ribs.
Wherein the coil group includes the excitation coil of a pair of internal layers and the measuring coil of a pair of outer layer.Wherein, this is to swashing
Encourage coil to be connected in series with same-handed direction, this is connected in series measuring coil with opposite helical direction.In other words, this is to swashing
Encourage coil to be connected in series with opposite helical direction, this is connected in series measuring coil with same-handed direction.
Wherein the torsion transmission sleeve power intake can group set a bicycle rear trochal disc group (or fly
Wheel), clutch end can group set a hub motor, then detect embodiment according to aforementioned torsion, so i.e.
Simply magnetic can be stretched and torsion force indicator and the motor of power-assisted is provided be integrated into foot-operated back wheels of vehicle.
In addition, the present invention further includes the electromagnetic wave isolation mounting of one high conductivity of configuration but low permeability, including：One first
Electromagnetic wave distance sleeve, between the magnetic conduction roll and the fixation support shaft, three is simultaneously affixed integral；One second electromagnetism
Ripple distance sleeve, it is close to set group in torsion transmission sleeve periphery；Three electromagnetic wave spacers, be spaced and side be close to the magnetic conduction around
Bobbin.To isolate the extraneous Electromagnetic Interference transmitted, while prevent electromagnetic wave divergent caused by excitation coil to extraneous ring
Border.
According to the above embodiment of the present invention, its technical intention and effect are：Torsion with magnetic expansion performance is passed
Transfer mechanism part is arranged in outer layer, makes into the sleeve of shelly, and is carved thereon and engrave the spiral lamination run through and bring up and connected by spiral ribs
Driving member, when excitation coil passes to alternating current, excited target and the caused magnetic line of force can be directed through spiral ribs by concentration, have
Do not have the central shaft of spiral ribs in tradition, be still solid bar member under spiral ribs, the magnetic line of force can be dispersed to solid position, institute
The magnetic flex effect of presentation materials that can be more efficiently with the present invention.
In addition, the relevant present invention is available for the relevant technical details implemented according to this, by follow-up embodiment and figure
It is illustrated by formula.
Brief description of the drawings
Fig. 1 is the three-dimensional exploded view of the embodiment of the present invention.
Fig. 2 is the post-show cross-section map of the embodiment of the present invention.
Fig. 3 is the post-show cross-section map of torsion force indicator of the present invention.
Fig. 4 is Fig. 3 A-A post-show cross-section maps.
Fig. 5 is torsion force indicator magnetic loop schematic diagram of the embodiment of the present invention.
Fig. 6 is two pairs of coil circuit figures of coil group of the present invention.
Fig. 7 is counterclockwise motion figure of the hub motor ratchet group of the present invention by left side.
Fig. 8 is clockwise motion figure of the hub motor ratchet group of the present invention by left side.
Description of reference numerals：10 torsion force indicators；11 torsion transmit sleeve；11a, 11b spiral ribs；11c power intakes；
11d clutch ends；12a, 12b magnetic conduction roll；121 cylinders；122nd, 123 plate-like earrings；13rd, 13a, 13b air gap；14 coils
Group；15th, 16 coil；15a, 15b excitation coil；16a, 16b measuring coil；17a, 17b magnetic loop；20 hub motors；21 motors
Reductor；22 ratchet groups；23 wheel hubs；30 rear tooth disk groups；41 fix support shaft；50th, 51 bearing；61 first electromagnetic wave separation sleeves
Cylinder；62 second electromagnetic wave distance sleeves；63 electromagnetic wave spacing sheets；H wheelbases；θ helical angles.
Embodiment
First, please refer to Fig. 1 and Fig. 2, a kind of configuration detail of preferred embodiment of the present invention is disclosed, illustrates this hair
Hub motor 20 is integrated in the trailing wheel of bicycle and is set up in one as fixation by bright provided torsion force indicator 10 together
Hold in the fixation support shaft 41 used.
Include please refer to Fig. 3 torsion force indicators 10 for knowing the present invention visible with Fig. 4：One torsion transmits sleeve 11, one
To magnetic conduction roll 12a, 12b and a coil group 14.Wherein, torsion transmission sleeve 11 can be by being, for example, chrome-molybdenum steel or Ni-Cr-Mo
The metal of flexible (magneto strictive) characteristic of the tool magnetic such as steel is made, and is in hollow shelly, and torsion transmission covers
For cylinder 11 in middle section formed with a pair of oppositely oriented spiral ribs 11a, 11b, this fixes support shaft to spiral ribs 11a, 11b in one
A specific axis is possessed away from h (such as Fig. 1) in 41 axial direction, this to spiral ribs 11a, 11b and in the specific axis away from h by circumferential equal pitch
The plural rib composition of arrangement；This is surrounded to spiral ribs 11a, 11b by this and is fixed on branch respectively to magnetic conduction roll 12a, 12b
Support on axle 41；The coil group 14 includes two pairs of coils 15,16, and two pairs of coils 15,16 are wound in this to magnetic conduction coiling respectively
On axle 12a, 12b, for detect torsion transmission sleeve 11 by during twisting load at this to magnetic conduction caused by spiral ribs 11a, 11b
Rate changes.
The helical angle that this has a relative radial development towards fixed support shaft 41 to spiral ribs 11a, 11b respectively in implementation
θ (such as Fig. 1), and 0<∣ θ ∣≤45 ° so that this to spiral ribs 11a, 11b can it is relative be in each reverse acting spiral.When the torsion passes
When defeated sleeve 11 is by twisting force, this bears pressure one of wherein respectively to spiral ribs 11a, 11b, another, bears pulling force,
For example, if spiral ribs 11a bears pressure, spiral ribs 11b bears pulling force, if when torsion transmission sleeve 11 is by the flexible effect of positive magnetic
When the material answered is process, spiral ribs 11a permeabilities will reduce, and spiral ribs 11b permeabilities then increase.
The torsion transmits sleeve 11 and is pivotally connected in both ends by bearing 50,51 and fixed support shaft 41, and can be in fixed branch
Support stable rotation on axle 41.
This can be made by high permeability material on the implementation to magnetic conduction roll 12a, 12b, such as from high magnetic conductivity
Marquensite system stainless steel, pure iron, nickel steel or silicon steel etc., this is to magnetic conduction roll 12a, 12b and respectively to should be to spiral
Rib 11a, 11b and mirror ground balanced configuration mutually.Single magnetic conduction roll is respectively by a cylinder 121 and along the both sides of cylinder 121
Respectively toward the formation of plate-like earrings 122,123 of external radiation extension.Formed between the plate-like earrings 122,123 and torsion transmission sleeve 11
One air gap 13, comprising air gap 13a, 13b relative to plate-like earrings 122,123, avoid when the torsion transmission rotation fortune of sleeve 11
When dynamic frictional interference is produced with the plate-like earrings 122,123.
Must more illustrate be this to spiral ribs 11a, 11b and its surrounded this to magnetic conduction roll 12a, 12b shape
Magnetic loop 17a, 17b in a pair.Magnetic loop 17a by the cylinder 121, the plate-like earrings 122, air gap 13a, spiral ribs 11a,
Air gap 13b, the plate-like earrings 123, around formation；Magnetic loop 17b is by the cylinder 121, the plate-like earrings 122, the air gap
13a, spiral ribs 11b, air gap 13b, the plate-like earrings 123, it is another around formation.
It please continue refering to Fig. 3 and Fig. 6, illustrate that two pairs of coils 15,16 that the above-mentioned coil group 14 is included are sharp a pair respectively
Coil 15a, 15b and a pair of measuring coils 16a, 16b are encouraged, and are wound in respectively on magnetic conduction roll 12a, 12b；More specifically
Implementation detail is that this is first wound on magnetic conduction roll 12a, 12b respectively to excitation coil 15a, 15b, then winds respectively again
This is to measuring coil 16a, 16b on magnetic conduction roll 12a, 12b so that this to excitation coil 15a, 15b and this to measure line
Circle 16a, 16b are relative respectively to be interposed in magnetic conduction roll 12a, 12b internal layer and outer layer.Wherein, excitation coil 15a and excitation line
The circle 15b windings number of turns is all mutually that N, measuring coil 16a and measuring coil 16b the winding number of turns are all mutually M, and M is usually N several times.
It is the wiring mode that the present invention uses to refer to Fig. 6, i.e., this is gone here and there to excitation coil 15a, 15b with same-handed direction
Connection connection, and this is then connected in series to measuring coil 16a, 16b with opposite helical direction.Other wiring modes can also use should
Excitation coil 15a, 15b are connected in series with opposite helical direction, and this to measuring coil 16a, 16b then with same-handed direction
It is connected in series.When this gives exchange string ripple power supply to excitation coil 15a, 15b, i.e., at this to being produced on magnetic loop 17a, 17b
The magnetic line of force, magnetic flux is implied that, the power of magnetic flux becomes with direction with the string ripple of AC power, according to Faraday's law, the measurement
Coil 16a, 16b, which thus sense, produces alternating voltage Va, Vb, is represented by with mathematical expression：
Va=Am × cos (ω t)
Vb=Bm × cos (ω t)
Wherein, the voltage peak that Am is sensed by measuring coil 16a, the voltage peak that Bm is sensed by measuring coil 16b.
Because this is connected in series to measuring coil 16a, 16b with opposite helical direction, so voltage meeting caused by 16a and 16b
Cancel each other, i.e., the series connection terminal voltage Vab to measuring coil 16a, 16b is represented by：
Vab=Va-Vb=(Am-Bm) × cos (ω t)
When torsion transmission sleeve 11 not yet bears twisting load, magnetic loop 17a magnetic resistance is equal to magnetic loop 17b magnetic resistance, institute
Excitation coil 15b inductance is equal to excitation coil 15a inductance, thus its impedance is also equal, the also phase of the partial pressure on series circuit
Deng so excitation coil 15a terminal voltages are equal to excitation coil 15b terminal voltages, thus the voltage Va of measuring coil 16a, 16b sensing
=Vb, i.e. Am=Bm, so Vab=0.When torsion transmission sleeve 11 bears twisting load, if spiral ribs 11a bears pressure,
Spiral ribs 11b bears pulling force, and if torsion transmission sleeve 11 when being process by the material of positive magnetic flex effect, spiral ribs 11a
Permeability reduces, the increase of spiral ribs 11b permeabilities, therefore magnetic loop 17a magnetic resistance is more than magnetic loop 17b magnetic resistance, excitation coil 15a
Inductance is less than excitation coil 15b inductance, so excitation coil 15a impedances are less than excitation coil 15b impedances, swashs on series circuit
Encourage coil 15a partial pressures and be less than excitation coil 15b partial pressures, that is, excitation coil 15a terminal voltages are less than excitation coil 15b ends electricity
Pressure, thus the electricity pressure Jue Dui Zhi ∣ Va ∣ of measuring coil 16a, 16b sensing<∣ Vb ∣, imply that Am<Bm, so Vab=Va-Vb=
(Am–Bm)×cos(ωt)≠0.According to noted earlier, Vab is derived from the difference in inductance to excitation coil 15a, 15b, the difference in inductance
Permeability change from this to spiral ribs 11a, 11b, that is, from the big of torque value suffered by torsion transmission sleeve 11
Small change, technical know-how, the coil group 14 can be used to detect torque value suffered by torsion transmission sleeve 11 according to this.
Refering to Fig. 1 and Fig. 3, it is seen that know the electromagnetic wave isolation mounting that the present invention more configures high conductivity but low permeability, bag
Include：One first electromagnetic wave distance sleeve 61, one second electromagnetic wave distance sleeve 62 and three electromagnetic wave spacers 63.Wherein, should
First electromagnetic wave distance sleeve 61 between this between magnetic conduction roll 12a, 12b and the fixation support shaft 41 (such as Fig. 4), and
One electromagnetic wave distance sleeve 61, this is to magnetic conduction roll 12a, 12b and the three of fixation support shaft 41 and affixed integral；This
Two electromagnetic wave distance sleeves 62 are close to set group in the periphery of torsion transmission sleeve 11；The three electromagnetic waves spacer 63 is respectively separated
And this is close to magnetic conduction roll 12a, 12b in side.To isolate the extraneous Electromagnetic Interference transmitted, while prevent excitation line
Electromagnetic wave divergent caused by circle is to external environment.Must be illustrated in addition, this to magnetic conduction roll 12a, 12b, should
Coil group 14, the three electromagnetic waves spacer 63, the first electromagnetic wave distance sleeve 61 and fixed support shaft 41 form one admittedly；
Closely set group is pivotally connected in the periphery of torsion transmission sleeve 11, and by bearing 50,51 for the system of second electromagnetic wave distance sleeve 62
Revolving part is used as in fixing in support shaft.Specific gap 13 is set between the revolving part and fixture, avoids sending out during rotation
Raw interference friction.
Torsion transmission sleeve 11 more includes a power intake 11c, and a clutch end 11d.The torsion transmits
The power intake 11c of sleeve 11 can group set the rear trochal disc group (or flywheel) 30 of a bicycle, can group in clutch end 11d
If a hub motor 20, then embodiment is detected according to aforementioned torsion, so simply magnetic can be stretched torsion force indicator 10
Hub motor 20 with providing power-assisted is integrated into the trailing wheel of bicycle.
Substantially, the rear trochal disc group 30 is observed comprising a ratchet group (figure do not show) by bicycle left, when bestowing pin
When legpower makes rear trochal disc 30 rotate counterclockwise of group, rear trochal disc group 30 can apply torsion to torsion transmission sleeve 11；Conversely, make trailing wheel
When disk group 30 turns clockwise, rear trochal disc group 30 then will not transmit sleeve 11 to torsion and apply torsion.
In addition must the additionally partial act principle of hub motor 20, know hub motor please refer to Fig. 2 is visible
20 include：One motor reducer 21, a ratchet group 22, a wheel hub 23.The internal mechanism of motor reducer 21 is not made in detail herein
Describe in detail bright.
Please refer to Fig. 7 and Fig. 8 simultaneously again, this two figure is all to be regarded by what the left (namely Fig. 2 left) of bicycle was observed
Figure.When 23 rotate counterclockwise of wheel hub, represent that bicycle towards direction of advance, makes motor reducer 21 inverse when motor provides power and pushed away
When hour hands rotate, the motor reducer 21 can rely on the ratchet group 22 to engage the wheel hub 23 and promote the wheel hub 23 synchronous counterclockwise
Rotate (such as Fig. 7)；When motor does not provide power, the motor reducer 21 does not rotate, if when wheel hub 23 is inverse by other strength
When hour hands rotate, the ratchet group 22 does not provide engagement capability, and motor reducer 21 does not interlock (such as Fig. 8) mutually with wheel hub 23.
According to above-mentioned configuration detail, when bicycle rider bestows pedal force to pedal, by chain, (figure does not show
Show) apply torsion to the rear tooth disk group 30, this torsion reaches the wheel hub 23 driving bicycle and overcomes load to advance.During the torsion
The power intake 11c of power transmission sleeve 11 receives the torsion transmitted from rear tooth disk group 30, and clutch end 11d then turns round this
The load that power transfers out to overcome bicycle advance met with again (strictly speaking also has and bicycle is provided needed for acceleration
Torsion), often place perpendicular to the section of central shaft is all identical to this torsion on torsion transmission sleeve 11, and at positive and negative 45 degree
Spiral angular direction can then show pressure and pulling force, and therefore spiral ribs 11a bears pressure, and cause permeability to reduce, should
Therefore spiral ribs 11b also bears pulling force, and cause permeability to increase.This is also delivered to excitation coil 15a, 15b at the same time
AC power and at this to producing alternating flux on magnetic loop 17a, 17b.According to preceding description, this can to measuring coil 16a, 16b
Series connection terminal voltage Vab=Va-Vb=(Am-Bm) xcos (ω t) is measured, and Am-Bm and torque value are in certain proportion relation,
This Vab signal is sent to the opportune moment that a signal processing unit can control hub motor to provide power-assisted, and can be according to Vab's
Size calculates the number for providing power-assisted, to mitigate pedal force of the rider when suffering from rough ground or climbing.
In summary, a kind of the feasible of torsion force indicator using magnetic flex effect of the present invention should be realized that
Property.However, above example is only to express the preferable embodiment of the present invention, but therefore can not be interpreted as to this
The limitation of invention protection domain.
Claims (11)
1. a kind of torsion force indicator, it is configured at a fixation support shaft, it is characterised in that including：
One torsion transmits sleeve, and hollow shelly is made by the metal with magnetic expansion performance and is pivotally connected with the fixation support shaft, should
Torsion transmits sleeve and a pair or so oppositely oriented spiral ribs is formed in middle section, and torsion transmission sleeve has a power defeated
Enter end and a clutch end；
A pair of magnetic conduction rolls, are made by high permeability material, and spiral ribs are surrounded by this and are fixed on fixed support shaft
On；And
One coil group, be wound in this on magnetic conduction roll, for detect torsion transmission sleeve by during twisting load at this to spiral shell
Revolve permeability change caused by rib.
2. torsion force indicator according to claim 1, it is characterised in that：The spiral ribs are in a specific axis away from interior by circumferential etc.
The plural rib composition of joint slope.
3. torsion force indicator according to claim 1 or 2, it is characterised in that：The spiral ribs oppositely oriented to left and right point
Not Ju You a helixangleθ, and 0<∣θ∣≤45°.
4. torsion force indicator according to claim 1, it is characterised in that：The magnetic conduction roll is by a cylinder and along the cylinder
Both sides are formed toward a plate-like earrings of external radiation extension respectively.
5. torsion force indicator according to claim 4, it is characterised in that：The plate-like earrings of the magnetic conduction roll passes with torsion
An air gap is formed between defeated sleeve.
6. torsion force indicator according to claim 5, it is characterised in that：The magnetic conduction roll, the air gap and the spiral ribs
Form magnetic loop.
7. torsion force indicator according to claim 1, it is characterised in that：The coil group includes the excitation coil of a pair of internal layers
And the measuring coil of a pair of outer layer.
8. torsion force indicator according to claim 7, it is characterised in that：This is connected to excitation coil with same-handed direction
Connection, this is connected in series to measuring coil with opposite helical direction.
9. torsion force indicator according to claim 7, it is characterised in that：This is connected to excitation coil with opposite helical direction
Connection, this is connected in series to measuring coil with same-handed direction.
10. torsion force indicator according to claim 1, it is characterised in that：An electromagnetic wave isolation mounting is also configured, including：
One first electromagnetic wave distance sleeve, between respectively between the magnetic conduction roll and the fixation support shaft, and the first electromagnetic wave every
From sleeve, magnetic conduction roll and fixed support shaft and affixed integral；
One second electromagnetic wave distance sleeve, closely set group is in the periphery of torsion transmission sleeve；And
Three electromagnetic wave spacers, are respectively separated and the magnetic conduction roll is close in side.
11. torsion force indicator according to claim 1, it is characterised in that：The torsion transmits the power intake group of sleeve
If the rear trochal disc group of a bicycle, clutch end group set a hub motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563442.6A CN107628185B (en) | 2016-07-18 | 2016-07-18 | Torque force detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563442.6A CN107628185B (en) | 2016-07-18 | 2016-07-18 | Torque force detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107628185A true CN107628185A (en) | 2018-01-26 |
| CN107628185B CN107628185B (en) | 2019-12-06 |
Family
ID=61112661
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610563442.6A Expired - Fee Related CN107628185B (en) | 2016-07-18 | 2016-07-18 | Torque force detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219498A (en) * | 2021-04-30 | 2021-08-06 | 杭州海悦软件有限公司 | GPS empty disk detection device |
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| CN102963489A (en) * | 2011-08-29 | 2013-03-13 | 株式会社岛野 | Bicycle rear hub |
| CN102980698A (en) * | 2011-09-05 | 2013-03-20 | 本田技研工业株式会社 | Magnetic telescopic torque sensor |
| CN103439034A (en) * | 2013-09-09 | 2013-12-11 | 淮海工学院 | Multifunctional force cell sensor |
| EP2799327A1 (en) * | 2013-05-03 | 2014-11-05 | Methode Electronics Malta Ltd. | A freewheel hub comprising a magneto-elastic sensor and bicycle, pedelec, fast pedelec or e-bike comprising the freewheel hub |
| JP2015010870A (en) * | 2013-06-27 | 2015-01-19 | ブリヂストンサイクル株式会社 | Torque sensor positioning structure and electric power assisted bicycle provided therewith |
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- 2016-07-18 CN CN201610563442.6A patent/CN107628185B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033899U (en) * | 1987-07-15 | 1989-03-08 | 第一冶金地质勘探公司探矿技术研究所 | Magneto-elastic torque transmitter |
| CN101281070A (en) * | 2007-04-03 | 2008-10-08 | 株式会社岛野 | Torsion-detecting sleeve member and torque-detecting device using the same |
| CN201034760Y (en) * | 2007-04-09 | 2008-03-12 | 严东红 | Electric bicycle centre shaft torque sensing device |
| CN102963489A (en) * | 2011-08-29 | 2013-03-13 | 株式会社岛野 | Bicycle rear hub |
| CN102980698A (en) * | 2011-09-05 | 2013-03-20 | 本田技研工业株式会社 | Magnetic telescopic torque sensor |
| EP2799327A1 (en) * | 2013-05-03 | 2014-11-05 | Methode Electronics Malta Ltd. | A freewheel hub comprising a magneto-elastic sensor and bicycle, pedelec, fast pedelec or e-bike comprising the freewheel hub |
| JP2015010870A (en) * | 2013-06-27 | 2015-01-19 | ブリヂストンサイクル株式会社 | Torque sensor positioning structure and electric power assisted bicycle provided therewith |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219498A (en) * | 2021-04-30 | 2021-08-06 | 杭州海悦软件有限公司 | GPS empty disk detection device |
| CN113219498B (en) * | 2021-04-30 | 2024-04-02 | 浙江盘盘科技有限公司 | GPS empty disc detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107628185B (en) | 2019-12-06 |
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