CN108801297A - A kind of device detecting axis double-side torque, position angle, rotating speed and power - Google Patents
A kind of device detecting axis double-side torque, position angle, rotating speed and power Download PDFInfo
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- CN108801297A CN108801297A CN201710312886.7A CN201710312886A CN108801297A CN 108801297 A CN108801297 A CN 108801297A CN 201710312886 A CN201710312886 A CN 201710312886A CN 108801297 A CN108801297 A CN 108801297A
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- 238000001514 detection method Methods 0.000 claims abstract description 43
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000005355 Hall effect Effects 0.000 claims abstract description 3
- 230000005291 magnetic effect Effects 0.000 claims description 42
- 230000006698 induction Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 3
- 230000005307 ferromagnetism Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 210000000981 epithelium Anatomy 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 5
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/147—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
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- 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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- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention provides a kind of detection axis double-side torque, the devices of position angle, rotating speed and power, which is characterized in that including：It is assemblied in bicycle or axis in Moped Scooter Five-way tube, the left crank that is connected to axis both ends and right crank, is set on axis and surface has the casing of ribbon grain, the chain wheel being connected on casing, the coil for being looped around sleeve surface ribbon grain periphery, the magnet ring being set on axis, the Hall sensor being fixed at Five-way tube and for connecting, receiving and dispatching and the electric signal processing unit of operation associated electrical signals.The present apparatus can be detected accurately from left and right crank using the method for sensing of piezomagnetism and Hall effect and reach trampling torque, crank position angle, central axis speed and trampling power for axis.
Description
Technical field
The present invention relates to a kind of non-contacting piezomagnetic torque detection technology and the detection technology of magnet ring rotational angle,
More particularly, at bicycle or Moped Scooter Five-way tube torque sensor, magnet ring position angle and rotating speed sensing meter, with
And power meter.
Background technology
In the products such as bicycle ergometer and Moped Scooter and the application of relevant technology, it is necessary to examine precisely and quickly
In many physical quantitys surveyed, just contain both sides crank it is bilateral trample torque, trample frequency (being synonymous to middle rotating speed) and
Crank position angle.It tramples torque because can accurately detect and tramples frequency, can accurately know torque and trample multiplying for frequency
Product, power；It tramples torque because can accurately detect and tramples frequency, vehicle using motor could be according to trampling torque and trample both frequencies
It is a variety of different made of combined to trample situation, corresponding power-assisted is provided according to this；Because crank position angle can be detected accurately,
The firmly opportunity trampled could be analyzed according to this, can be provided in time and be met ergonomics and efficiently trample power-assisted.
The existing device for detecting axis double-side torque and rotating speed or power, such as Chinese patent application (publication number：
CN203806093U a kind of electrical bicycle middle shaft torque velocities sensing device disclosed in), including be assemblied in Five-way tube
Axis, the left crank for being fixed on axis both ends and right crank and the chain wheel being sheathed on axis, there are one work as set on the axis
It will produce the torque casing of circumferential deformation when it is by circumferential twisting resistance, one end of the torque casing is fixed with the axis, separately
One end is fixed with the chain wheel；The magnetic conduction that a circle is close to arrangement with the torque casing is fixed on the outer tube wall of the torque casing
Alloy sheet gathers on the permeability alloys thin slice and offers several cavities, and the peripheral disposition of the permeability alloys thin slice has inspection
The coil of heat treatment is surveyed, the coil is connected through a signal processor with electric machine controller, and also fixation is set in the Five-way tube
It is equipped with the velocity response Hall being connected with the signal processor, is fixed on the axis corresponding with the velocity response Hall
Velocity response magnet steel.The permeability alloys thin slice of above-mentioned this detection device needs to be close to be arranged in casing outer tube wall, but this
The mode that kind thin slice is close to is not easy to obtain the metric data with good linearity, is especially bearing multiple circumferential twisting resistance
When, the close degree between thin slice and tube wall is not easy to remain consistent, influences reliability.
For another example Chinese patent application (publication number：CN106275226A a kind of disclosed in) to be used for bicycle or auxiliary power certainly
The bilateral power meter of driving, including foil gauge, signal processing transmission circuit, left axle, right axle and fluted disc holder, the foil gauge and
The signal processing transmission circuit is connected by conducting wire；Wherein, the foil gauge is fitted closely with the left axle, the signal
In the left crank for handling transmission circuit insertion bicycle, the right axle is inserted into inside the left axle, the end of insertion and the left side
Axis is fixedly connected, and the other end of the left axle is fixedly connected with the fluted disc holder.The foil gauge of above-mentioned this detection device,
It needs to power on, can operate, therefore design and installation become complicated.
For another example Chinese patent application (publication number：CN203186537U a kind of torque detection dress of moped disclosed in)
Set, including both ends be connected with crank input shaft, be set on the input shaft and the output shaft of concentric setting and
It is arranged between input shaft and output shaft and can detect the angular transducer of input shaft torsional deflection angle；The output shaft
Input terminal and input shaft between be meshed by spline；The output end of the output shaft passes through spline phase with the sprocket wheel
Engagement.The overall structure of above-mentioned this detection device relatively takes up space, and inconvenience is installed in conventional Five-way tube.
For another example Chinese patent application (publication number：CN102297736B crank torque sensing device disclosed in) is being set to help
Five axis positions of power type electric vehicle mainly drive the reaction force suffered by chain, in five by large fluted disc when pushes pedals
Axis fulcrum generates a pulling force backward, by measuring this pulling force size backward, you can learns caused by pushes pedals
Torque value, and the rearward pulling force size suffered by five axis is the principle through a spring-like platform scale, measures five axises
Displacement, and calculated and obtained according to the spring force coefficient and deformation quantity set up.Above-mentioned this sensing device is measuring backward
Some corresponding elastically-deformable spaces need to be reserved when the size of pulling force, at five axises, cause to be not easy to obtain accurate torsion force
Measured data especially increases the manufacture difficulty of associated components.
Invention content
The purpose of the present invention is that axis double-side torque, position angle, rotating speed and power can be detected simultaneously by providing one kind
Device, and the consistency with high-reliability and measurement, metric data can have higher resolution and preferable precision.
The purpose of the present invention can be realized by following technical proposal：A kind of detection axis double-side torque, position angle,
The device of rotating speed and power, including：It is assemblied in bicycle or axis in Moped Scooter Five-way tube, is connected to axis two
End left crank and right crank, be socketed on axis and surface have ribbon grain casing, be connected to casing chain wheel, surround
Sleeve surface ribbon grain periphery coil, be set on axis magnet ring, be fixed at Five-way tube Hall sensor, with
And for connecting, receiving and dispatching and the electric signal processing unit of operation associated electrical signals, wherein the ribbon grain includes two sections of left and right
The humanoid striped of formula and the Z-shaped striped of three-stage；Described sleeve pipe is ferromagnetism material, and one end is sheathed on axis, and the other end is then
It is connected with chain wheel；The ontology of the ribbon grain, can combine closely by the process of meltallizing with whole casing, then directly into
Row is machined and forms ribbon grain, and described sleeve pipe causes the ribbon grain generation to be cut when bearing circumferential torsional moment
Shear strain, due to piezomagnetism,
Cause the coil that can generate corresponding induced electromotive force；The Hall sensor the magnet ring follow it is described in
When shaft rotation is moved, respective change, the Hall occur for the magnetic flux density (magnetic induction intensity) at the sensing points of the Hall sensor
Sensor then exports corresponding voltage.
In the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power, in two neighboring region
It, can be there are three types of configuration between two adjacent striated sections：Connection configuration, gap configuration and side connection and the group in gap is stayed in the other side
State；The technique of the mechanical processing is rolling-type, cutting type or spray sand type；The ribbon grain is on perspective plane, each section of item
Line and vertical line angle are then maintained between 20 degree~70 degree and 110 degree~160 degree；The coil is then two groups of concatenated shapes
Formula, and two groups of direction of winding is opposite.
In the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power, the Hall sensor can
Using linear pattern, for the magnet ring by the way of magnetizing axially or radially, the surface induction for forming sine wave shape is strong
Degree (hereinafter referred to as table magnetic) or even the magnet ring can magnetize to form the table magnetic with two pole sine wave shapes.
In the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power, the second Hall can be also added
Sensor, second Hall sensor can be used switch pattern or linear pattern, and with both Hall sensors with week
It is arranged to 90 degree of the mode in spaced apart circumferential angle.
In the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power, the Hall sensor,
Between the table magnetic, the left crank and the right crank, installed in such a way that fixation is corresponding.
In the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power, the Hall sensor can
Using switch pattern, and the mode to magnetize axially or radially can be used in the magnet ring, forms sinusoidal waveform table magnetic, spill table
Magnetic or trapezoidal table magnetic.
In the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power, the Hall sensor or
Two-dimensional magnetic field or three-dimensional magnetic field of second Hall sensor using Hall effect method detection space.
Compared with prior art, the device of this detection axis double-side torque, position angle, rotating speed and power has following excellent
Point：
1, it can precisely know the position angle of crank.So it can analyze and grasp and trample output opportunity, and ensure to carry
For the promptness of power-assisted.
2, the testing result of high-reliability and consistency.It is exactly the one of sleeve body because of the ribbon grain of sleeve surface
Part can so exempt various misgivings factors such as existing strip barbola work；And can by grasp casing elastic limit,
Confirm that the present apparatus is operated in the domains Dan District of casing, and then ensure that the consistency of testing result.
3, the angle of degree of precision and the detection data of rotating speed.Because linear hall sensor can promote the parsing of measurement
Degree；The precision of detection can be improved in two orthogonal Hall sensors；And measuring two dimensional and the space magnetic field of three-dimensional are expanded, it can more carry simultaneously
The resolution and precision of lift angle degree and Rotating speed measring data.
4, simple and compact for structure.Technical solution proposed by the invention, collect axis double-side torque, crank position angle,
Trample frequency and trample power these four physical quantitys detection mode in one, can install in bicycle five-pipe.
Description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the present invention；
Fig. 2 is the part assembled state figure of the present invention；
Fig. 3 is the fragmentary cross-sectional view of the present invention；
Fig. 4 is the oblique view of the humanoid striped of casing and its surface；
Fig. 5 is the front view of the humanoid striped of casing and its surface；
Fig. 6 is the schematic diagram of the humanoid striped of sleeve surface and perspective plane vertical line angle；
Fig. 7 is the schematic diagram of the Z-shaped striped of sleeve surface and perspective plane vertical line angle；
Fig. 8 is the schematic diagram that humanoid striped connects configuration；
Fig. 9 is the schematic diagram that Z-shaped striped connects configuration；
Figure 10 is the schematic diagram of humanoid striped gap configuration；
Figure 11 is the schematic diagram of Z-shaped striped gap configuration；
Figure 12 is Z-shaped striped side connects and the schematic diagram of other side gap configuration；
Figure 13 between magnet ring and axis and Hall sensor three relative position face and left side view；
Figure 14 is magnet ring, axis, Hall sensor and the second Hall sensor in another embodiment of the present invention
Between relative position face and left side view；
Figure 15 is the sine wave shape table magnetic chart for the magnet ring that the present invention corresponds to crank angle degree；
Figure 16 is the Hall sensor sensing voltage figure for the sine wave shape that the present invention corresponds to crank angle degree；
Figure 17 is two pole sine wave shape table magnetic charts of the magnet ring that the present invention corresponds to crank position angle；
Figure 18 is the Hall sensor sensing voltage figure for the two pole sine wave shapes that the present invention corresponds to crank position angle；
Figure 19 is the Hall sensor sense of two quadrature square waves and sine wave shape that the present invention corresponds to crank position angle
Survey voltage pattern；
Figure 20 is the Hall sensor sensing voltage for the two orthogonal sinusoidal wave shapes that the present invention corresponds to crank position angle
Figure；
Figure 21 is the spill table magnetic chart for the magnet ring that the present invention corresponds to crank angle degree；
Figure 22 is the trapezoidal table magnetic chart for the magnet ring that the present invention corresponds to crank angle degree；
Figure 23 is the Hall sensor sensing voltage figure for the square-wave form that the present invention corresponds to crank angle degree；
Figure 24 is the Hall sensor sensing voltage figure for the two quadrature square wave shapes that the present invention corresponds to crank angle degree.
1. axis in figure, 2. casings, 3. humanoid stripeds, 4. coils, 5. magnet rings, 6. Hall sensors, 7. Electric signal processings
Unit, 11. left cranks, 12. right cranks, 20. second casings, 21. chain wheels, 30. second humanoid stripeds, 33.Z shape stripeds, 41. hold
Seat, 51. sinusoidal undulating faces magnetic induction intensity, the sensing voltage waveform of 52. liang of quadrature square waves and sine wave, 53. liang it is orthogonal just
The sensing voltage waveform of string wave, 54. spill table magnetic, 55. trapezoidal table magnetic, 61. second Hall sensors, 200. third casings,
210. shielding cases, 220. left bearings, 222. Quadruplet pipes, 230. left tooth bowls, 240. gaskets, 250. right bearings, 260. right tooth bowls,
The humanoid striped of 300. thirds, 510. sine wave shaped voltages, 520. 2 pole sinusoidal undulating faces magnetic induction intensity, 530. 2 is extremely sinusoidal
Waveform voltage, 540. square waveform voltages, the sensing voltage waveform of 550. liang of quadrature square waves, axle assembly in 600., 700. first folders
Angle, 701. second angles, the humanoid striped of 800. connection configurations, the Z-shaped striped of 801. connection configurations, the people of 802. gap configurations
Shape striped, the Z-shaped striped of 803. gap configurations, 804. sides connect and the Z-shaped striped of other side gap configuration.
Specific implementation mode
As shown in Fig. 1~Fig. 3 and Figure 13, the device of axis double-side torque, position angle, rotating speed and power is detected, including：
The axis 1 that is assemblied in bicycle or Moped Scooter Five-way tube, the left crank 11 for being connected to 1 both ends of axis and right crank
12, being socketed on axis 1 and surface has the casing 2 of ribbon grain 3,33, the chain wheel 21 for being connected to casing 2, is looped around casing 2
Surface ribbon grain 3,33, periphery coil 4, be set on axis magnet ring 5, be fixed at Five-way tube Hall sensor 6,
And for connecting, receiving and dispatching and the electric signal processing unit of operation associated electrical signals 7, and the electric signal processing unit 7 is then borrowed
By detecting coil 4 and the voltage of Hall sensor 6, and calculation process is carried out after being included in the time, you can know axis double-side torque,
Position angle, rotating speed and power, wherein as shown in Figure 4 to 7, the ribbon grain 3,33 includes the humanoid of left and right two-part
The Z-shaped striped 33 of striped 3 and three-stage；Described sleeve pipe is ferromagnetism material, and one end is sheathed on axis 1, the other end then with tooth
Disk 21 is connected, and the torque of such bilateral crank can pass to axis 1, and axis 1 is just being connected to chain wheel 21 via casing 2,
And as the casing of switching 2, then it is load with chain wheel 21, bears and that transmits that bilateral two crank in left and right inputted tramples torque
(abbreviation double-side torque)；The ontology of the ribbon grain 3,33, is ferrimagnet, is come and whole set by the process of meltallizing
Pipe 2 is combined closely, and is then directly machined and forms ribbon grain 3,33, so almost integrated ribbon grain 3,33
With casing 2, just there is higher reliability；Described sleeve pipe 2 leads to the ribbon grain 3,33 when bearing circumferential torsional moment
Shear strain is generated, due to piezomagnetism, using the striped in the adjacent and parallel same direction as a region, then ribbon grain
3, the magnetic conductivity in 33 two neighboring regions respectively will increase and reduce, and cause the coil 4 that can generate corresponding induction
Electromotive force；The Hall sensor 6 is when the magnet ring 5 follows the axis 1 to rotate, the sensing points of the Hall sensor 6
Respective change occurs for the magnetic flux density (magnetic induction intensity) at place, and the Hall sensor 6 then exports corresponding voltage, which is
Correspond to the variation of 5 rotational angle of magnet ring.
As shown in Fig. 8~Figure 12, in the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power,
It, can be there are three types of configuration between the two adjacent striated sections in two neighboring region：Connect configuration 800,801, gap configuration 802,803
And side connection and the configuration 804 in gap is stayed in the other side.The ribbon grain 3,33 of different configuration is suitble to corresponding different machinery to add
Work mode can generate respectively different shear strain effects.
In the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power, the work of the mechanical processing
Skill is that rolling-type, cutting type or spray sand type are as shown in Figures 5 and 6；For another example shown in Fig. 8~Figure 12, the ribbon grain 3,33 in
On perspective plane, each section of striped and vertical line angle 700,701 are maintained between 20 degree~70 degree and 110 degree~160 degree, are such as schemed
Shown in 6 and Fig. 7, it can so be conducive to form the shear stress for squeezing or stretching from outside to inside；The coil 4 is then two groups of concatenated shapes
Formula, and two groups of direction of winding is on the contrary, to eliminate common mode interference.
As shown in Figure 15 and Figure 16, in above-mentioned detection axis double-side torque, the device of position angle, rotating speed and power
In, linear pattern can be used in the Hall sensor 6, and the magnet ring 5 is formed sinusoidal by the way of magnetizing axially or radially
The surface induction intensity (hereinafter referred to as table magnetic) 51 of waveform shape so can get and level off to the linear of smooth and monotonicity variation
Output is as a result, the resolution and precision of detection can be promoted；The even magnet ring 5 can magnetize to be formed with two pole sine wave shapes
Table magnetic 520, as shown in FIG. 17 and 18, as soon as so can via two continuous measuring values of linear hall sensor,
It can determine that the position angle of magnet ring 5.
In the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power, the second Hall can be also added
Sensor 61, as shown in figure 14, second Hall sensor 61 can be used switch pattern or linear pattern, and with the Hall
The mode of both sensors 6 90 degree of angle of circumference at intervals in the circumferential direction arranges, such mutual corresponding measurement numerical value of two Hall sensors,
Can have preferable resolution and precision.
As shown in FIG. 19 and 20, in above-mentioned detection axis double-side torque, the device of position angle, rotating speed and power
In, the Hall sensor 6, the magnet ring two pole sinusoidal undulating faces magnetic induction intensity (520), the left crank 11 and institute
It between stating right crank 12 4, is installed in such a way that fixation is corresponding, 6 output voltage of such Hall sensor can be mapped to crank
Position angle.
In the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power, the Hall sensor can
Using switch pattern, and the mode to magnetize axially or radially can be used in the magnet ring, forms sinusoidal waveform table magnetic 51, spill
Table magnetic 54 or trapezoidal table magnetic 55 then switch the Hall sensor of pattern by inductive output square wave, such as scheme as shown in Figure 21 and Figure 22
Shown in 23；If the second Hall sensor 61 of the switch pattern arranged with orthogonal manner of arranging in pairs or groups again, this two Hall sensors phase
The mutually measurement numerical value of corresponding collocation gained, as shown in figure 24, so that it may which there is preferable resolution and precision.
In the device of above-mentioned detection axis double-side torque, position angle, rotating speed and power, the Hall sensor 6
Or the dimension of 61 amplifiable detected space magnetic field of the second Hall sensor, from one-dimensional magnetic field to two dimension or three-dimensional magnetic field, so
The situation that can get more related magnet ring rotations, can increase the precision of measurement, and improve reliability.
Claims (16)
1. the device of a kind of detection axis double-side torque, position angle, rotating speed and power, which is characterized in that including：It is assemblied in certainly
Driving or the axis (1) in Moped Scooter Five-way tube, be connected to axis (1) both ends left crank (11) and right crank
(12), being socketed on axis (1) and surface has the casing (2) of ribbon grain (3,33), is connected to the chain wheel of casing (2)
(21), the coil (4) for being looped around casing (2) surface ribbon grain (3,33) periphery, is fixed the magnet ring (5) being set on axis
Hall sensor (6) at Five-way tube and for connecting, receiving and dispatching and the electric signal processing unit of operation associated electrical signals
(7), wherein
The ribbon grain (3,33) includes the humanoid striped (3) of left and right two-part and the Z-shaped striped (33) of three-stage；
Described sleeve pipe (2) is ferromagnetism material, and one end is sheathed on axis (1), and the other end is then connected with chain wheel (21)；
The production method of the ribbon grain (3,33) is first forming epithelium in one layer of magnetic material of casing (2) surface meltallizing, so
Epithelium is directly machined afterwards and forms the ribbon grain (3,33)；
Described sleeve pipe (2) causes the ribbon grain (3,33) to generate shear strain when bearing circumferential torsional moment, due to pressure
Magnetic effect, the coil (4) can generate corresponding induced electromotive force；
The Hall sensor (6) is when the magnet ring (5) follows the axis (1) to rotate, the sense of the Hall sensor (6)
Respective change occurs for the magnetic flux density at measuring point, and the Hall sensor (6) then exports corresponding voltage.
2. the device of detection axis double-side torque according to claim 1, position angle, rotating speed and power, feature exist
In：In the ribbon grain (3,33), using the striped in the adjacent and parallel same direction as a region, then two neighboring area
Between domain between two adjacent striated sections, for connection configuration (800,801).
3. the device of detection axis double-side torque according to claim 1, position angle, rotating speed and power, feature exist
In：In the ribbon grain (3,33), using the striped in the adjacent and parallel same direction as a region, then two neighboring area
It is gap configuration (802,803) between domain between two adjacent striated sections and section.
4. the device of detection axis double-side torque according to claim 1, position angle, rotating speed and power, feature exist
In：In the ribbon grain (3,33), using the striped in the adjacent and parallel same direction as a region, then two neighboring area
Between domain between two adjacent striated sections and section, the other side gap configuration (804) for side connection.
5. the device of detection axis double-side torque according to claim 1, position angle, rotating speed and power, feature exist
In：The technique of the mechanical processing is rolling-type, cutting type or spray sand type.
6. the device of detection axis double-side torque according to claim 1, position angle, rotating speed and power, feature exist
In：The ribbon grain (3,33), on perspective plane, each section of striped and vertical line angle (700,701), at 20 degree~70 degree
And between 110 degree~160 degree.
7. the device of detection axis double-side torque according to claim 1, position angle, rotating speed and power, feature exist
In：The coil (4) is two groups of concatenated forms, and two groups of direction of winding is opposite.
8. the device of detection axis double-side torque according to claim 1, position angle, rotating speed and power, feature exist
In：The Hall sensor (6) uses linear pattern, and the magnet ring (5) is formed by the way of magnetizing axially or radially
Sinusoidal undulating faces magnetic induction intensity (51).
9. the device of detection axis double-side torque according to claim 8, position angle, rotating speed and power, feature exist
In：The magnet ring (5) forms two pole sinusoidal undulating faces magnetic induction intensity by the way of magnetizing axially or radially
(520)。
10. the device of detection axis double-side torque according to claim 9, position angle, rotating speed and power, feature exist
In：It is additionally provided with the second Hall sensor (61), both second Hall sensor (61) and the Hall sensor (6) are with week
It is arranged to 90 degree of the mode in spaced apart circumferential angle.
11. the device of detection axis double-side torque according to claim 10, position angle, rotating speed and power, feature
It is：Second Hall sensor (61) is using switch pattern.
12. the device of detection axis double-side torque according to claim 10, position angle, rotating speed and power, feature
It is：Second Hall sensor (61) uses linear pattern.
13. special according to the device of detection axis double-side torque, position angle, rotating speed and power described in claim 9~12
Sign is：The Hall sensor (6), the magnet ring two pole sinusoidal undulating faces magnetic induction intensity (520), the left crank
(11) it between the right crank (12) four, is installed in such a way that fixation is corresponding.
14. the device of detection axis double-side torque according to claim 1, position angle, rotating speed and power, feature exist
In：Using switch pattern, the magnet ring (5) is formed the Hall sensor (6) by the way of magnetizing axially or radially
Sinusoidal undulating faces magnetic induction intensity (51), or concave surface magnetic induction intensity (54) is formed, or form step surface magnetic induction
Intensity (55).
15. the device of detection axis double-side torque according to claim 13, position angle, rotating speed and power, feature
It is：It is additionally provided with the second Hall sensor (61), and second Hall sensor (61) uses switch pattern, and described second
Both Hall sensor (61) and the Hall sensor (6) are at intervals in the circumferential direction and the mode of 90 degree of electrical angles of formation arranges, or
Being second Hall sensor (61) with both described Hall sensors (6) at intervals in the circumferential direction and forms 90 degree of odd-multiple electric angles
The mode of degree arranges.
16. detection axis double-side torque, position angle, rotating speed and power according to any one of claim 1~15
Device, it is characterised in that：The Hall sensor (6) or the second Hall sensor (61) detect space using Hall effect method
Two-dimensional magnetic field or three-dimensional magnetic field.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312886.7A CN108801297A (en) | 2017-05-05 | 2017-05-05 | A kind of device detecting axis double-side torque, position angle, rotating speed and power |
| US16/610,920 US11320328B2 (en) | 2017-05-05 | 2018-05-04 | Operation parameter detecting apparatus for vehicle |
| EP18794960.7A EP3620364A4 (en) | 2017-05-05 | 2018-05-04 | Device for detecting vehicle operation parameters |
| JP2020511853A JP7149325B2 (en) | 2017-05-05 | 2018-05-04 | Device for detecting operating parameters of a vehicle |
| PCT/CN2018/085594 WO2018202124A1 (en) | 2017-05-05 | 2018-05-04 | Device for detecting vehicle operation parameters |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312886.7A CN108801297A (en) | 2017-05-05 | 2017-05-05 | A kind of device detecting axis double-side torque, position angle, rotating speed and power |
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| Publication Number | Publication Date |
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| CN108801297A true CN108801297A (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710312886.7A Withdrawn CN108801297A (en) | 2017-05-05 | 2017-05-05 | A kind of device detecting axis double-side torque, position angle, rotating speed and power |
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| Country | Link |
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| CN (1) | CN108801297A (en) |
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| CN108871639A (en) * | 2018-05-07 | 2018-11-23 | 重庆三叶花科技有限公司 | Axis moment inspecting system |
| CN110530230A (en) * | 2019-09-19 | 2019-12-03 | 捷安特(中国)有限公司 | The online assemble method of Bicycle front derailleur and its test measuring device used |
| US11772742B2 (en) | 2020-03-24 | 2023-10-03 | Sram, Llc | Front chainring assembly |
| US11913534B2 (en) | 2020-03-24 | 2024-02-27 | Sram, Llc | Front chainring assembly |
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