CN209321167U - A kind of axis torque sensor device - Google Patents
A kind of axis torque sensor device Download PDFInfo
- Publication number
- CN209321167U CN209321167U CN201822042724.9U CN201822042724U CN209321167U CN 209321167 U CN209321167 U CN 209321167U CN 201822042724 U CN201822042724 U CN 201822042724U CN 209321167 U CN209321167 U CN 209321167U
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- Prior art keywords
- axle sleeve
- axis
- shell
- fixedly connected
- sensor device
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 210000003734 kidney Anatomy 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
A kind of axis torque sensor device provided by the utility model, including shell, rotatable line plate, fixing circuit board, chain wheel, axis and axle sleeve；Shell is located at the periphery of axle sleeve, is connected with assisted electric vehicle main body；Axis runs through shell, is fixedly connected with axle sleeve；Axle sleeve is located in the outer circle of axis, is fixedly connected with chain wheel；Rotatable line plate is located on axle sleeve, is fixedly connected with axle sleeve；Fixing circuit board is located at the outside of rotatable line plate, is fixedly connected with shell.A kind of axis torque sensor device provided by the utility model, using the variation of linear Hall detection axle sleeve torsional deformation angular displacement, the relative distance of magnet steel and Hall changes, reaction is in the variation of linear hall output voltage value, its precision is high, and stability is good, broad quantum, response is fast, can detect static torque and dynamic torque；Under the premise of guaranteeing that torque signals are reliable, the digital communication mode of wireless transmission is taken, guarantee signal stabilization in signals transmission, undistorted.
Description
Technical field
The utility model relates to a kind of axis torque sensor devices, are applied to Moped Scooter field.
Background technique
Common electric bicycle has been widely used, and efficiently trip mode is very wide in China's application.With people
Environmental protection, safety and health consciousness raising, it is this merely lean on motor-driven mode, be prohibited from entering Japanese market,
It just gradually is forced to eliminate by regulation in European market.Exactly under this trend, manpower adds motor-driven electric assisted bicycle
It is in the ascendant.How the assist rate of manpower and motor driving force is distributed, and electric booster system senses people by which kind of mode and rides
Wish, need torque velocities sensor to solve the problem above-mentioned, be based on this, the transducer market of electric bicycle power-assisted obtains
Very big development is arrived.
The sensor of electric assisted bicycle is divided to two classes at present, and one kind is simple velocity sensor, and one kind is that technology contains
Measure the sensor of relatively high torque and speed one, abbreviation torque sensor.
Velocity sensor is detected to the speed ridden, and has apparent defect, the mainly power of motor output
The power-assisted wish that people cannot be followed well to ride, such as riding in climbing, contrary wind, starting and loads, people gives
When riding a very big power, electric vehicle cannot soon export a reciprocity power, cause when above-mentioned occasion is ridden very
Arduously.Torque sensor can make up this defect well, it can detect the torque that people applies in time, be transformed into electric signal,
The corresponding output of motor is controlled by controller, followability of riding is good.
Utility model content
The utility model is intended to provide a kind of axis torque sensor device, is placed in bicycle standard five and leads to interior middle axle power
Square sensor detects the torque size that people applies, while detecting the speed that people rides, and controls power of motor by controller
A kind of sensor device applied to electric bicycle power-assisted comprising moment inspecting and velocity measuring of output.
To solve the above problems, a kind of axis torque sensor device provided by the utility model uses following technical side
Case:
A kind of axis torque sensor device, including shell, rotatable line plate, fixing circuit board, chain wheel, axis and axis
Set；The shell is located at the periphery of the axle sleeve, is connected with assisted electric vehicle main body；The axis is through described
Shell is fixedly connected with the axle sleeve；The axle sleeve is located in the outer circle of the axis, passes through flange and the tooth
Disk is fixedly connected；The rotatable line plate is located on the axle sleeve, is fixedly connected with the axle sleeve；The fixing line
Road plate is located at the outside of the axle sleeve, is fixedly connected with the shell；
Linear Hall, magnetic patch and magnetic patch bracket are additionally provided on the torque sensor device；The linear Hall
Positioned at one end of the rotatable line plate, it is fixedly connected with the rotatable line plate；The magnetic patch is located at the rotation
One end of crossover plate, position is corresponding with the linear Hall, is fixedly connected with the magnetic patch bracket；The magnetic patch
Bracket is located on the axle sleeve, is fixedly connected with the axle sleeve.
Further, the magnetic patch uses magnet steel, provides permanent-magnetic field.
Further, connecting key is provided between the axis and axle sleeve, the connecting key is involute spline, band
Moving the axle sleeve follows the axis to be freely rotated.
Further, rotating coil, fixed coil and speed ring support, the rotational line are provided in the shell
Circle is located at the periphery of the rotatable line plate, is fixedly connected with the speed ring support；The fixed coil is located at institute
The left side for the rotating coil stated, it is corresponding with the rotating coil, it is embedded in the inside of the shell；The speed ring
Bracket is located on the axle sleeve, is fixedly connected with the axle sleeve.
Further, speed ring is provided on the speed ring support, the speed ring is located at the rotational line
The right side of circle is fixed on the speed ring support.
Further, the fixing circuit board is provided with two pieces, one piece of strip, one piece of rectangular, the upper surface of strip
There are two Hall, the corresponding speed rings to measure the rotation speed of axis, two pieces of fixing circuit boards are connected with seven core wires for right side dress
It connects, it is symmetrical to be fixed on the shell, it is welded with six core water-proof wires on rectangular wiring board and is drawn out to controller.
Further, the shell both ends are provided with left tooth bowl and right tooth bowl, and the left tooth bowl and right tooth bowl are symmetrical
The both ends of the shell are distributed in, the shell and electric vehicle are connected.
Further, it is provided with pin hole on the axis, limit hole, the limit hole are provided on the axle sleeve
It is corresponding with the pin hole through the axle sleeve, spacer pin is provided in the pin hole, the spacer pin runs through institute
The pin hole and limit hole stated.
Further, when the elongated kidney slot shape of the limit hole, the axle sleeve are torqued into certain angle by
It is limited to the spacer pin, thus the windup-degree of axle sleeve described in limitation.
The utility model has the beneficial effects that: a kind of axis torque sensor device provided by the utility model, uses
Linear Hall detects the variation of axle sleeve torsional deformation angular displacement, and magnet steel is fixed on axle sleeve, makes the relative distance of magnet steel and Hall
It changes, reacts in the variation of linear hall output voltage value, precision is high, and stability is good, broad quantum, and response is fast, energy
Detect static torque and dynamic torque；Under the premise of guaranteeing that torque signals are reliable, the principle of wireless electromagnetic induction is taken to carry out
Energy transmission is powered to rotatable line plate, and transmits torque signals with the digital communication mode of wireless transmission, guarantees signal transmission
Signal stabilization, undistorted in the process；The relative torsion angle between axis and axle sleeve is limited by spacer pin simultaneously, prevents torque
Cross senior general's boss failure.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the preferred embodiment in the utility model.
Attached drawing 2 is the main sectional view of the preferred embodiment in the utility model.
The signal principle figure of 3 the preferred embodiment in the utility model of attached drawing.
Wherein: 1. rotatable line plates, 2. rotating coils, 3. fixed coils, 4. linear Halls, 5. magnetic patch, 8. axis, 9.
Axle sleeve, 10. retaining rings, 11. blocks, 12. dustproof covers, 13. connecting keys, 14. left tooth bowls, 15. bearings, 16. magnetic patch brackets, 17. speed
Spend ring, 18. shells, 19. right tooth bowls, 20. chain wheels, 21. speed ring supports, 22. fixing circuit boards, 23. spacer pins.
Specific embodiment
In order to better understand technical solution provided by the utility model, with reference to the accompanying drawing with specific embodiment pair
The utility model is described further.
It as shown in the picture, is a kind of axis torque sensor device provided by the utility model, including shell 18, rotational line
Road plate 1, fixing circuit board 22, chain wheel 20, axis 8 and axle sleeve 9；The shell 18 is located at the periphery of the axle sleeve 9, with
Assisted electric vehicle main body is connected；The axis 8 runs through the shell 18, is fixedly connected with the axle sleeve 9；Described
Axle sleeve 9 is located in the outer circle of the axis 8, is fixedly connected by flange with the chain wheel 20；The rotatable line plate
1 is located on the axle sleeve 9, is fixedly connected with the axle sleeve 9；The fixing circuit board 22 is located at the axle sleeve 9
Outside is fixedly connected with the shell 18；
Linear Hall 4, magnetic patch 5 and magnetic patch bracket 16 are additionally provided on the torque sensor device；Described is linear
Hall 4 is located at one end of the rotatable line plate 1, is fixedly connected with the rotatable line plate 1；The magnetic patch 5 is located at
One end of the rotatable line plate 1, position is corresponding with the linear Hall 4, with the fixed company of the magnetic patch bracket 16
It connects；The magnetic patch bracket 16 is located on the axle sleeve 9, is fixedly connected with the axle sleeve 9.
Further, the magnetic patch 5 is used using magnet steel.
Further, connecting key 13 is provided between the axis 8 and axle sleeve 9, the connecting key 13 is involute
Spline drives the axle sleeve 9 that the axis 8 is followed to be freely rotated.
Further, rotating coil 2, fixed coil 3 and speed ring support 21 are provided in the shell 18, it is described
Rotating coil 2 is located at the periphery of the rotatable line plate 1, is fixedly connected with the speed ring support 21；The fixation
Coil 3 is located at the left side of the rotating coil 2, corresponding with the rotating coil 2, is embedded in the shell 18
It is internal；The speed ring support 21 is located on the axle sleeve 9, is fixedly connected with the axle sleeve 9.
Further, speed ring 17 is provided on the speed ring support 21, the speed ring 17 is located at described
The right side of rotating coil 2 is fixed on the speed ring support 21.
Further, the fixing circuit board 22 is provided with two pieces, and one piece of strip, one piece is rectangular, strip it is upper
There are two Hall, the corresponding speed rings 17 to measure the rotation speed of axis 8 for right side of face dress, and two pieces of fixing circuit boards 22 are used
The connection of seven core wires, it is symmetrical to be fixed on the shell 18, it is welded with six core water-proof wires on rectangular wiring board and is drawn out to control
Device.
Further, 18 both ends of shell are provided with left tooth bowl 14 and right tooth bowl 19, the left tooth bowl 14 and the right side
Tooth bowl 19 is symmetrically distributed in the both ends of the shell 18, connects the shell 18 and electric vehicle.
Further, it is provided with pin hole on the axis 8, limit hole, the limit are provided on the axle sleeve 9
The axle sleeve 9 is run through in hole, corresponding with the pin hole, and spacer pin 23, the spacer pin are provided in the pin hole
23 run through the pin hole and limit hole.
Further, when the elongated kidney slot shape of the limit hole, the axle sleeve 9 are torqued into certain angle by
It is limited to the spacer pin 23, thus the windup-degree of axle sleeve 9 described in limitation.
People applies a torque to axis 8 during riding, through crank, passes to chain wheel 20 by axle sleeve 9,
Chain wheel 20 drives the rear-wheel of electric bicycle by chain, by axis 8 and chain wheel 20, under the action of couple, and 9 meeting of axle sleeve
A torsion angle is generated, linear Hall 4 and 5 position of magnet steel is caused to change.Linear Hall 4 on rotatable line plate 1 can produce
Electric signal, is passed to fixed coil 3 by rotating coil 2, eventually passes through processing and be transferred to controller by a raw electric signal.
Torque signal acquisition passes through the variation of Hall sensor induced voltage, the microprocessor acquisition on rotatable line plate 1
The output voltage of Hall, and it is converted into digital binary sequence, on the coil being sent on fixing circuit board by coil modulation.
The sequence of binary signals that the coil of fixing circuit board just has modulation occurs, and the demodulator circuit on fixing circuit board will restore
Original binary moments signal out, being sent into microprocessor on fixing circuit board can be obtained by the data of torque signals.Micro- place
After reason device is handled, according to current torque size, exports corresponding voltage and give electric machine controller driving motor, control motor
The power of output adjusts the driving speed of motor.
Claims (9)
1. a kind of axis torque sensor device, which is characterized in that including shell, rotatable line plate, fixing circuit board, chain wheel,
Axis and axle sleeve；The shell is located at the periphery of the axle sleeve, is connected with assisted electric vehicle main body；The axis passes through
The shell is worn, is fixedly connected with the axle sleeve；The axle sleeve is located in the outer circle of the axis, by flange with
The chain wheel is fixedly connected；The rotatable line plate is located on the axle sleeve, is fixedly connected with the axle sleeve；It is described
Fixing circuit board be located at the outside of the axle sleeve, be fixedly connected with the shell；
Linear Hall, magnetic patch and magnetic patch bracket are additionally provided on the torque sensor device；The linear Hall is located at
One end of the rotatable line plate is fixedly connected with the rotatable line plate；The magnetic patch is located at the rotational line
One end of road plate, position is corresponding with the linear Hall, is fixedly connected with the magnetic patch bracket；The magnetic patch bracket
On the axle sleeve, it is fixedly connected with the axle sleeve.
2. a kind of axis torque sensor device according to claim 1, which is characterized in that the magnetic patch uses magnetic
Steel provides permanent-magnetic field.
3. a kind of axis torque sensor device according to claim 1, which is characterized in that the axis and axle sleeve it
Between be provided with connecting key, the connecting key is involute spline, drives the axle sleeve that the axis is followed to be freely rotated.
4. a kind of axis torque sensor device according to claim 1, which is characterized in that be provided in the shell
Rotating coil, fixed coil and speed ring support, the rotating coil are located at the periphery of the rotatable line plate, and described
Speed ring support be fixedly connected；The fixed coil is located at the left side of the rotating coil, with the rotating coil
It is corresponding, it is embedded in the inside of the shell；The speed ring support is located on the axle sleeve, solid with the axle sleeve
Fixed connection.
5. a kind of axis torque sensor device according to claim 4, which is characterized in that on the speed ring support
It is provided with speed ring, the speed ring is located at the right side of the rotating coil, is fixed on the speed ring support.
6. a kind of axis torque sensor device according to claim 5, which is characterized in that the fixing circuit board is set
Two pieces are equipped with, one piece of strip, one piece rectangular, and there are two Halls, the corresponding speed ring to survey for dress on the right side of the upper surface of strip
The rotation speed of axis is measured, two pieces of fixing circuit boards are connected with seven core wires, symmetrical to be fixed on the shell, rectangular line
It is welded with six core water-proof wires on the plate of road and is drawn out to controller.
7. a kind of axis torque sensor device according to claim 1, which is characterized in that the shell both ends setting
There are a left tooth bowl and right tooth bowl, the left tooth bowl and right tooth bowl are symmetrically distributed in the both ends of the shell, connect described outer
Shell and electric vehicle.
8. a kind of axis torque sensor device according to claim 1, which is characterized in that be provided on the axis
Pin hole is provided with limit hole on the axle sleeve, and the limit hole runs through the axle sleeve, corresponding with the pin hole,
Spacer pin is provided in the pin hole, the spacer pin runs through the pin hole and limit hole.
9. a kind of axis torque sensor device according to claim 8, which is characterized in that the limit hole is in strip
Shape kidney slot shape, is limited when the axle sleeve is torqued into certain angle by the spacer pin, thus the axis that limitation is described
The windup-degree of set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822042724.9U CN209321167U (en) | 2018-12-06 | 2018-12-06 | A kind of axis torque sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822042724.9U CN209321167U (en) | 2018-12-06 | 2018-12-06 | A kind of axis torque sensor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209321167U true CN209321167U (en) | 2019-08-30 |
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ID=67713043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822042724.9U Expired - Fee Related CN209321167U (en) | 2018-12-06 | 2018-12-06 | A kind of axis torque sensor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209321167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789643A (en) * | 2019-12-09 | 2020-02-14 | 苏州捷诚科技有限公司 | Central-axis wireless energy signal transmission torque sensor system |
-
2018
- 2018-12-06 CN CN201822042724.9U patent/CN209321167U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789643A (en) * | 2019-12-09 | 2020-02-14 | 苏州捷诚科技有限公司 | Central-axis wireless energy signal transmission torque sensor system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 |