CN107690572A - Axis torsion photosensor structure - Google Patents
Axis torsion photosensor structure Download PDFInfo
- Publication number
- CN107690572A CN107690572A CN201780000987.9A CN201780000987A CN107690572A CN 107690572 A CN107690572 A CN 107690572A CN 201780000987 A CN201780000987 A CN 201780000987A CN 107690572 A CN107690572 A CN 107690572A
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- axis
- breast board
- torsion
- interior
- sleeve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
- G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
- G01L3/12—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving photoelectric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Optical Transform (AREA)
Abstract
The invention discloses a kind of axis torsion photosensor structure, includes axis, and torsion sleeve is arranged with axis, and the inner termination of torsion sleeve is fixedly connected with axis, and the external end head of torsion sleeve is provided with chain wheel and can relatively rotated with axis, and axle sleeve is provided with wiring board；Inner ring fence is arranged on the front axis of the inner termination of torsion sleeve, inner ring outer casing of fence sets outer ring fence, the tail end of outer ring fence is fixedly connected with the tail end of torsion sleeve；The interior breast board of inner ring fence and the outer breast board of outer ring fence are overlapping, and inside and outside breast board leaves gap along the radial direction of axis；Correlation photoelectric sensor is set on wiring board, when for sensing torsion sleeve torsional deformation occurs under stress for correlation photoelectric sensor, the change in gap between interior breast board and outer breast board.Overall structure of the present invention is simple, and cost is relatively low and stability is good.
Description
Technical field
The present invention relates to sensor, more particularly to a kind of axis torsion photosensor structure.
Background technology
Torsion torque sensor is the dress for various rotations or non-rotary mechanical part to be carried out with torsional moment perception and detection
Put, the physical change of torsion can be converted into accurate electric signal by it.Existing axis torsion torque sensor structure is usually will
Twist sensor is fitted on torsion deformation component, sensor and torsion deformation component concurrent deformation, complicated integral structure,
Cost is higher and is short of stability.
The content of the invention
The technical problem to be solved in the present invention is, in view of the shortcomings of the prior art, there is provided a kind of axis torsion photoelectric transfer
Sensor structure.
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of axis torsion photosensor structure, includes axis, and axis both ends are installed on crank, the axis respectively
On be arranged with torsion sleeve, the inner termination of the torsion sleeve is fixedly connected with axis, and the external end head of the torsion sleeve is provided with chain wheel
And can be relatively rotated with axis, the tail end of torsion sleeve and the other end of axis are respectively equipped with left and right bearing, divide on left and right bearing
Not She You left and right tooth bowl, be provided with axle sleeve between left and right tooth bowl, axle sleeve is provided with wiring board；Before the inner termination of the torsion sleeve
Inner ring fence is arranged on square axis, the inner ring outer casing of fence sets outer ring fence, the tail end of outer ring fence and the tail end of torsion sleeve
It is fixedly connected；The interior breast board of inner ring fence and the outer breast board of outer ring fence are overlapping, and inside and outside breast board leaves along the radial direction of axis
Gap；The wiring board is in front of inner ring fence and is vertically set on axis；Correlation photoelectric sensor is set on wiring board,
When for sensing torsion sleeve torsional deformation occurs under stress for the correlation photoelectric sensor, stitched between interior breast board and outer breast board
The change of gap.Further, inside and outside breast board is even number and its quantity is consistent；Inside and outside breast board has two to align breast board respectively, right
Just interior breast board is overlapping with outer breast board central alignment is aligned, and aligns interior breast board and aligns the center of outer breast board respectively positioned at passing through axis
The both ends of one center line, and the plate body of other breast boards in addition to breast board is aligned is in the same size, one-to-one portion between plate body
Divide overlapping and relative center line symmetrical.
Further, align interior breast board and align outer breast board respectively with respect to center line symmetrical setting, interior breast board and outer breast board it
Between along the gap size of middle Axial and radial before torsion sleeve deforms deformation it is consistent, and the interval between each gap is also consistent.
Further, the interior breast board termination of inner ring fence and the alignment of the outer breast board termination of outer ring fence are set, inside and outside breast board
The axis parallel of direction and axis is set.
Further, pin hole is set in the endoporus tail end side wall of torsion sleeve, it is interior heavy to be set on axis corresponding with the pin hole
Hole, the two ends of a pin are arranged in pin hole and interior counterbore respectively, and the diameter of the interior counterbore is more than the diameter of pin.
Further, the correlation photoelectric sensor is two, and symmetrical relative to the axle center of axis；The correlation light
The transmitting terminal and receiving terminal of electric transducer are located at outside the circle on the inner and outer hedge column of circle of inner ring fence respectively, correlation photoelectric sensing
The transmitting terminal and receiving terminal of device are mutually corresponding.
Further, anti-rotation bowl is provided with left tooth bowl on axle sleeve, the outer ring of anti-rotation bowl is provided with screw thread, is installed for rotating
To frame five-through, the inner ring of anti-rotation bowl is provided with the inner groovy parallel with axis axial line, and axle sleeve left end outer ring is provided with anti-skidding
Muscle, the anti-skidding muscle is in the inner groovy and the quantity of anti-skidding muscle is less than the quantity of inner groovy.
Further, it is provided with a sliding bearing between the endoporus and axis of torsion sleeve installation chain wheel position.
Further, location mid-shaft corresponding to the left side of left bearing is provided with an annular groove, and annular groove is built with snap ring.
Further, certain gap is retained between the end face of left tooth bowl and left bearing, a spring shim is provided between gap.
Axis torsion photosensor structure disclosed by the invention, sense inner ring fence using correlation photoelectric sensor
Between interior breast board and the outer breast board of outer ring fence under torsion sleeve stress and deformation state gap change, and then obtain torque value,
Overall structure of the present invention is simple, and cost is relatively low and stability is good.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of chain wheel axle torsion photosensor structure of the present invention；
Fig. 2 is Fig. 1 B-B cross section structure diagrams；
Fig. 3 is the schematic diagram that gap changes under torsion sleeve stress and deformation state between interior breast board and outer breast board in Fig. 2；
Fig. 4, which becomes greatly and diminished for the gap of interior breast board and outer breast board, locates photoelectric sensing signal schematic representation；
The signal schematic representation that Fig. 5 by the photoelectric sensing signal in Fig. 4 obtain after difference processing；
Fig. 6 is Fig. 1 C-C cross section structure diagrams；
Fig. 7 is structural representations of the Fig. 6 when suffered torsion reaches capacity；
Fig. 8 is Fig. 1 A-A cross section structure diagrams.
Embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples.
The invention discloses a kind of axis torsion photosensor structure, with reference to shown in Fig. 1 to Fig. 8, it includes axis
1, the both ends of axis 1 are installed on crank 2 respectively, and torsion sleeve 3 is arranged with axis 1, and inner termination 31 and the axis 1 of torsion sleeve 3 are fixed
Connection, the external end head of torsion sleeve 3 is provided with chain wheel 4 and can be relatively rotated with axis 1, the tail end of torsion sleeve 3 and axis 1 it is another
End is respectively equipped with left and right bearing 51,52, is respectively equipped with left and right tooth bowl 61,62 on left and right bearing 51,52, left and right tooth bowl 61,
Axle sleeve 7 is provided between 62, axle sleeve 7 is provided with wiring board 8；Inner ring fence is arranged on the front axis 1 of the inner termination 31 of torsion sleeve 3
9, inner ring fence 9 is arranged outer ring fence 10 outside, and the tail end 101 of outer ring fence 10 is fixedly connected with the tail end of torsion sleeve 3；Interior hedge
The interior breast board 91 on column 9 and the outer breast board 101 of outer ring fence 10 are overlapping, and inside and outside breast board 91,101 leaves along the radial direction of axis
Gap；Wiring board 8 is located at the front of inner ring fence 9 and is vertically set on axis 1；Correlation photoelectric sensor is set on wiring board 8
12, when for sensing torsion sleeve 3 torsional deformation occurs under stress for correlation photoelectric sensor 12, interior breast board 91 and outer breast board
The change in gap between 101.When riding, the driver under stress axis 1 of crank 2 rotates, and axis 1 drives torsion sleeve 3, the band of torsion sleeve 3
The drive chain of movable chain wheel 4, at this moment torsion sleeve 3 be distorted in the case of stress deformation, it is inside and outside during 3 torsional deformation of torsion sleeve
Gap size between breast board 91,101 changes, and penetrates formula photoelectric sensor 12 and senses seam between inside and outside breast board 91,101
Gap size variation and through the output photoelectric transducing signal of circuit board 8, and then detect suffered moment of torsion and legpower.
In such scheme, inside and outside breast board 91,101 is even number and its quantity is consistent；Inside and outside breast board 91,101 is distinguished
There are two to align breast board, it is overlapping with the outer central alignment of breast board 1011 is aligned to align interior breast board 911, aligns interior breast board 911 and aligns
The center of outer breast board 1011 is located at by the both ends of the center line 11 of axis 1 one respectively, and other breast boards in addition to breast board is aligned
Plate body is in the same size, partly overlapped correspondingly between plate body and relative center line 11 is symmetrical.It is corresponding based on other breast boards
Partly overlap and relative center line 11 is symmetrical, then in the inside and outside breast board 91,101 in the both sides of center line 11 institute's shape after by deformation under torsion
Into gap become big for side, opposite side diminishes, as shown in figure 3, correlation photoelectric sensor 12 becomes greatly and become your pupil because of gap
Into different photoelectric sensing signals, as shown in figure 4, after carrying out difference processing to the photoelectric sensing signal, signal after difference is generated, such as
Shown in Fig. 5, to moment of torsion and legpower data can be obtained after differential signal processing.
Preferably, align interior breast board 911 and align outer breast board 1011 and be symmetrical arranged respectively with respect to center line 11, interior breast board 91
Between outer breast board 101 along the gap size of the radial direction of axis 1 before torsion sleeve 3 deforms deformation it is consistent, and between each gap
Interval it is also consistent.
Preferably, the termination of interior breast board 91 of inner ring fence 9 and the alignment of the termination of outer breast board 101 of outer ring fence 10 are set, interior,
The direction of outer breast board 91,101 is set with the axis parallel of axis 1.
Preferably, pin hole 33 is set in the endoporus tail end side wall of torsion sleeve 3, is set on axis 1 corresponding with pin hole 33 interior
Counterbore 18, the two ends of a pin 13 are arranged in pin hole 33 and interior counterbore 18 respectively, and the diameter of interior counterbore 18 is more than pin
13 diameter.As shown in Figure 6, Figure 7, when the stress of torsion sleeve 3 is deflected into limiting value with respect to axis 1, pin 13 is in shown in Fig. 7
Position, prevent the overload of torsion sleeve 3 from causing permanent deformation.
Preferably, correlation photoelectric sensor 12 is two, and symmetrical relative to the axle center of axis 1；Correlation photoelectric transfer
The transmitting terminal 121 and receiving terminal 122 of sensor 12 are located at outside the circle on the inner and outer hedge column 10 of circle of inner ring fence 9 respectively, correlation
The transmitting terminal 121 and receiving terminal 122 of photoelectric sensor 12 are mutually corresponding.In two correlation photoelectric sensors 12 while collection,
Gap between outer breast board 91,101 becomes photoelectric sensing signal that is big and diminishing, for difference processing.
Preferably, anti-rotation bowl 63 is provided with left tooth bowl 61 on axle sleeve 7, the outer ring of anti-rotation bowl 63 is provided with screw thread, is used for
Rotation is attached in frame five-through, and the inner ring of anti-rotation bowl 63 is provided with the inner groovy 631 parallel with the axial line of axis 1, and axle sleeve 7 is left
End outer ring is provided with anti-skidding muscle 71, anti-skidding muscle 71 in inner groovy 631 and anti-skidding muscle 71 quantity less than inner groovy 631 number
It amount, can prevent the turning handle outlet of axle sleeve 7 from twisting disconnected, be also prevented from twisting left tooth bowl 61 and twisting outlet breaking, as shown in Figure 8
Preferably, torsion sleeve 3 is installed and is provided with a sliding bearing 17 between the endoporus and axis 1 of the position of chain wheel 4, makes torsion sleeve
It relative can be slided between 3 and axis 1 and avoid lateral pressure, prevent the radial deformation of torsion sleeve 3 from producing friction with axis 1.
Preferably, the position of axis 1 corresponding to the left side of left bearing 51 is provided with an annular groove 14, and annular groove 14 is built with card
Ring 15, prevent the abjection of relative axis 1.
Preferably, certain gap is retained between the end face of left tooth bowl 61 and left bearing 51, a spring is provided between gap
Pad 16, to prevent five logical length from not causing the vibration of axis 1 for the moment.
Simply preferred embodiments of the present invention described above, are not intended to limit the invention, all technology models in the present invention
Interior done modification, equivalent substitution or improvement etc. are enclosed, should be included in the range of of the invention protect.
Claims (10)
1. a kind of axis torsion photosensor structure, including axis, axis both ends are installed on crank respectively, and its feature exists
In being arranged with torsion sleeve on the axis, the inner termination of the torsion sleeve is fixedly connected with axis, the external end head of the torsion sleeve
Chain wheel is installed and can be relatively rotated with axis, the tail end of torsion sleeve and the other end of axis are respectively equipped with left and right bearing, left,
Left and right tooth bowl is respectively equipped with right bearing, axle sleeve is provided between left and right tooth bowl, axle sleeve is provided with wiring board；The torsion sleeve
Inner ring fence is arranged on the front axis of inner termination, the inner ring outer casing of fence sets outer ring fence, the tail end of outer ring fence and torsion
The tail end of power set is fixedly connected；The interior breast board of inner ring fence and the outer breast board of outer ring fence are overlapping, it is interior, outer breast board is along axis
Radial direction leaves gap；；The wiring board is in front of inner ring fence and is vertically set on axis；；Set on wiring board pair
Formula photoelectric sensor is penetrated, when for sensing torsion sleeve torsional deformation occurs under stress for the correlation photoelectric sensor, interior column
The change in gap between plate and outer breast board.
2. axis torsion photosensor structure according to claim 1, it is characterised in that inside and outside breast board be even number and
Its quantity is consistent；Inside and outside breast board has two to align breast board respectively, and it is overlapping with outer breast board central alignment is aligned to align interior breast board, right
Just interior breast board is located at the both ends by the center line of axis one with the center for aligning outer breast board respectively；And other in addition to breast board is aligned
The plate body of breast board is in the same size, partly overlapped correspondingly between plate body and relative center line is symmetrical.
3. axis torsion photosensor structure according to claim 2, it is characterised in that align interior breast board and align outer column
With respect to center line symmetrical setting, shape is deformed between interior breast board and outer breast board respectively along the gap size of middle Axial and radial in torsion sleeve for plate
It is consistent before becoming, and the interval between each gap is also consistent.
4. axis torsion photosensor structure according to claim 3, it is characterised in that the interior breast board termination of inner ring fence
Align and set with the outer breast board termination of outer ring fence, the direction of inside and outside breast board and the axis parallel of axis are set.
5. axis torsion photosensor structure according to claim 1, it is characterised in that the endoporus tail end side wall of torsion sleeve
On set pin hole, set interior counterbore on axis corresponding with the pin hole, the two ends of a pin be arranged in respectively pin hole and
In interior counterbore, the diameter of the interior counterbore is more than the diameter of pin.
6. axis torsion photosensor structure according to claim 1, it is characterised in that the correlation photoelectric sensor
For two, and it is symmetrical relative to the axle center of axis；The transmitting terminal and receiving terminal of the correlation photoelectric sensor are respectively positioned at interior
Outside the circle on the inner and outer hedge column of circle on hedge column, the transmitting terminal and receiving terminal of correlation photoelectric sensor are mutually corresponding.
7. according to any axis torsion photosensor structure of claim 1~6, it is characterised in that close to left on axle sleeve
Anti-rotation bowl is provided with tooth bowl, the outer ring of anti-rotation bowl is provided with screw thread, is attached to for rotating in frame five-through, the inner ring of anti-rotation bowl is set
Have an inner groovy parallel with axis axial line, axle sleeve left end outer ring is provided with anti-skidding muscle, the anti-skidding muscle in inner groovy and
The quantity of anti-skidding muscle is less than the quantity of inner groovy.
8. according to any axis torsion photosensor structure of claim 1~6, it is characterised in that torsion sleeve installs tooth
A sliding bearing is provided between the endoporus and axis of disk position.
9. according to any axis torsion photosensor structure of claim 1~6, it is characterised in that the left end of left bearing
Location mid-shaft corresponding to face is provided with an annular groove, and annular groove is built with snap ring.
10. according to any axis torsion photosensor structure of claim 1~6, it is characterised in that the end face of left tooth bowl
Retain certain gap between left bearing, a spring shim is provided between gap.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/100980 WO2019047138A1 (en) | 2017-09-08 | 2017-09-08 | Center shaft torque photoelectric sensor structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107690572A true CN107690572A (en) | 2018-02-13 |
| CN107690572B CN107690572B (en) | 2019-12-31 |
Family
ID=61154850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780000987.9A Active CN107690572B (en) | 2017-09-08 | 2017-09-08 | Center shaft torsion photoelectric sensor structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107690572B (en) |
| WO (1) | WO2019047138A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047138A1 (en) * | 2017-09-08 | 2019-03-14 | 深圳一哥智行科技有限公司 | Center shaft torque photoelectric sensor structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003335291A (en) * | 2002-05-20 | 2003-11-25 | Honda Motor Co Ltd | Pedaling force detecting device for power-assisted bicycle |
| EP1376086A2 (en) * | 2002-06-25 | 2004-01-02 | Eduard Wille GmbH & Co KG | Torque sensor |
| CN101656079A (en) * | 2009-07-20 | 2010-02-24 | 霍桂馨 | Voice processing method of portable Chinese tone learning machine |
| CN102980751A (en) * | 2012-11-15 | 2013-03-20 | 昆山三多乐电子有限公司 | Torque force test fixture suitable for adjusting screw bolt assembly |
| CN103487185A (en) * | 2013-09-04 | 2014-01-01 | 卢泽仲 | Measuring device for power of bicycle |
| CN207423416U (en) * | 2017-09-08 | 2018-05-29 | 深圳一哥智行科技有限公司 | Axis torsion photosensor structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047138A1 (en) * | 2017-09-08 | 2019-03-14 | 深圳一哥智行科技有限公司 | Center shaft torque photoelectric sensor structure |
-
2017
- 2017-09-08 WO PCT/CN2017/100980 patent/WO2019047138A1/en active Application Filing
- 2017-09-08 CN CN201780000987.9A patent/CN107690572B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003335291A (en) * | 2002-05-20 | 2003-11-25 | Honda Motor Co Ltd | Pedaling force detecting device for power-assisted bicycle |
| EP1376086A2 (en) * | 2002-06-25 | 2004-01-02 | Eduard Wille GmbH & Co KG | Torque sensor |
| CN1480718A (en) * | 2002-06-25 | 2004-03-10 | » | Torsion sensor for calibrating thread tool |
| CN101656079A (en) * | 2009-07-20 | 2010-02-24 | 霍桂馨 | Voice processing method of portable Chinese tone learning machine |
| CN102980751A (en) * | 2012-11-15 | 2013-03-20 | 昆山三多乐电子有限公司 | Torque force test fixture suitable for adjusting screw bolt assembly |
| CN103487185A (en) * | 2013-09-04 | 2014-01-01 | 卢泽仲 | Measuring device for power of bicycle |
| CN207423416U (en) * | 2017-09-08 | 2018-05-29 | 深圳一哥智行科技有限公司 | Axis torsion photosensor structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047138A1 (en) * | 2017-09-08 | 2019-03-14 | 深圳一哥智行科技有限公司 | Center shaft torque photoelectric sensor structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107690572B (en) | 2019-12-31 |
| WO2019047138A1 (en) | 2019-03-14 |
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Effective date of registration: 20201113 Address after: 518000, Zhenxing Road, 26 village office, Guangming office, Shenzhen District, Guangdong, Gongming Patentee after: SHENZHEN XIDESHENG BICYCLE Co.,Ltd. Address before: Guangming Gongming street Shenzhen city Guangdong province 518000 water and fourth industrial district seventeenth building two floor B Patentee before: SHENZHEN EGEBIKE Co.,Ltd. |