CN107764288A - A kind of speed-type assistance sensor and rotary detecting method of double hall structures - Google Patents
A kind of speed-type assistance sensor and rotary detecting method of double hall structures Download PDFInfo
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- CN107764288A CN107764288A CN201710873536.8A CN201710873536A CN107764288A CN 107764288 A CN107764288 A CN 107764288A CN 201710873536 A CN201710873536 A CN 201710873536A CN 107764288 A CN107764288 A CN 107764288A
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- 230000006698 induction Effects 0.000 claims abstract description 338
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- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000630 rising effect Effects 0.000 description 40
- 230000001960 triggered effect Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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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
- G01D5/145—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 relative movement between the Hall device and magnetic fields
Abstract
The invention belongs to vehicle using motor sensor technical field, a kind of more particularly to speed-type assistance sensor of double hall structures, simultaneously, the present invention also provides a kind of rotary detecting method of the speed-type assistance sensor of double hall structures, any magnetic induction generating device of the magnetic induction carrier surface is respectively induced two magnetic induction receiving elements with corresponding rotating forward sensing order or with corresponding reversion sensing order respectively when positive direction rotates or when opposite direction rotates, the present invention solve prior art exist existing assistant sensor can only export it is rotary pulsed, the problem of so as to lead to not to judge the direction of rotation of disk and wheel, with the direction of rotation for accurately judging disk and wheel, the accuracy of pulse detection, the detection of rotating is simple and practical, the advantageous effects for power-assisted of riding.
Description
Technical field
The invention belongs to the velocity profile power-assisted sensing of vehicle using motor sensor technical field, more particularly to a kind of double hall structures
Device, meanwhile, the present invention also provides a kind of rotary detecting method of the speed-type assistance sensor of double hall structures.
Background technology
Vehicle using motor sensor is commonly used to boosting system of electric vehicle, on axis on the right side of electric car, prior art
Exist existing assistant sensor can only export it is rotary pulsed, so as to asking for the direction of rotation that leads to not judge disk and wheel
Topic.
The content of the invention
The present invention provides a kind of speed-type assistance sensor and rotary detecting method of double hall structures, to solve the above-mentioned back of the body
Vehicle using motor sensor is proposed in scape technology and is commonly used to boosting system of electric vehicle, it is existing on axis on the right side of electric car
Can only be exported with the presence of the existing assistant sensor of technology it is rotary pulsed, so as to lead to not judge the direction of rotation of disk and wheel
The problem of.
Technical problem solved by the invention is realized using following technical scheme：A kind of velocity profile of double hall structures helps
Force snesor, including rotatable magnetic induction carrier, the magnetic induction carrier surface annular spread magnetic induction generating device are described
Two magnetic induction receiving elements of fixing assembling respectively in the corresponding scope of the magnetic induction of magnetic induction carrier, the magnetic induction carrier
Any magnetic induction generating device on surface is when positive direction rotates or when opposite direction rotates respectively with corresponding rotating forward sensing order
Or two magnetic induction receiving elements are respectively induced with corresponding reversion sensing order.
Further, described two magnetic induction receiving elements are respectively that the first magnetic induction receiving element and the second magnetic induction receive
Element.
Further, the sensing order that rotates forward includes any magnetic induction generating device of the magnetic induction carrier surface just
First the first magnetic induction receiving element of sensing and second the second magnetic induction receiving element of sensing when direction rotates.
Further, the reversion sensing order includes any magnetic induction generating device of the magnetic induction carrier surface anti-
First the second magnetic induction receiving element of sensing and second the first magnetic induction receiving element of sensing when direction rotates.
Further, the opposite face of magnetic induction carrier is included in the corresponding scope of the magnetic induction occurs member with magnetic induction
On diverse location of the part with the camber line in footpath.
Further, the magnetic induction carrier includes surface circumferentially 60 ° of angle annular spread 6 magnetic induction generating device
Disk.
Further, the magnetic induction generating device is magnet steel, and the first magnetic induction receiving element and the second magnetic induction connect
It is that circumference angle is 30 ° of Hall sensors to receive element.
Meanwhile the present invention also provides a kind of rotary detecting method of the speed-type assistance sensor of double hall structures, including：
Rotated if it is determined that two magnetic induction receiving elements rotate forward sensing order, it is determined that magnetic induction carrier positive direction rotates；
If it is determined that two magnetic induction receiving element reversion sensing orders rotate, it is determined that magnetic induction carrier opposite direction rotates；
It is described to judge that two magnetic induction receiving elements rotate forward sensing order rotation and included：
Further, if magnetic induction generating device rotary inductive the first magnetic induction receiving element, the first magnetic induction receives member
Part produces first porch, if magnetic induction generating device rotary inductive the second magnetic induction receiving element, the second magnetic
Sense receiving element and produce second porch；
If it is determined that the first magnetic induction receiving element produces first porch and the second magnetic induction receiving element produces second
Porch, it is determined that magnetic induction carrier positive direction rotates；
It is described to judge that two magnetic induction receiving element reversion sensing order rotations include：
If magnetic induction generating device rotary inductive the second magnetic induction receiving element, the second magnetic induction receiving element produces the
One porch, if magnetic induction generating device rotary inductive the first magnetic induction receiving element, the first magnetic induction receives
Element produces second porch；
If it is determined that the first magnetic induction receiving element produces second porch and the second magnetic induction receiving element produces first
Porch, it is determined that magnetic induction carrier opposite direction rotates.
Further, if first porch is received, first power-assisted pulse of synchronism output；If second edge of pulse
Edge is received, then second power-assisted pulse of synchronism output.
Advantageous effects：
1st, this patent uses the magnetic induction carrier surface annular spread magnetic induction generating device, the magnetic strength of the magnetic induction carrier
Answer difference two magnetic induction receiving elements of fixing assembling, any magnetic induction of the magnetic induction carrier surface in corresponding scope
Generating device is felt with corresponding rotating forward sensing order or with corresponding reversion respectively when positive direction rotates or when opposite direction rotates
Two magnetic induction receiving elements should be sequentially respectively induced, described two magnetic induction receiving elements are respectively that the first magnetic induction receives member
Part and the second magnetic induction receiving element, the sensing order that rotates forward include any magnetic induction generation of the magnetic induction carrier surface
Element first the first magnetic induction receiving element of sensing and second second magnetic induction receiving element of sensing when positive direction rotates, it is described
Any magnetic induction generating device that reversion sensing order includes the magnetic induction carrier surface first senses when opposite direction rotates
Second magnetic induction receiving element and second the first magnetic induction receiving element of sensing, the corresponding scope of the magnetic induction is interior to include magnetic
Sense the opposite face of carrier with diverse location of the magnetic induction generating device with the camber line in footpath, due to as the disc rotates, magnetic
Sensing generating device runs into the first magnetic induction receiving element, rising edge can be triggered, when magnetic induction generating device runs into the first magnetic strength
When answering receiving element, second rising edge can be triggered, in this way, a magnetic induction generating device, which rotates a circle, can trigger two risings
Edge, six magnet steel, which rotate a circle, can trigger 12 rising edges, meeting synchronism output one when single-chip microcomputer detects Hall rising edge
Pulse, disk rotate a circle, and single-chip microcomputer can detect 12 Hall rising edges, while can export 12 pulses, the side of disk rotation
To rotating and reverse, during rotating forward, during the first magnetic induction receiving element rising edge, the second magnetic induction receiving element must be high electricity
Flat, similarly, during reversion, during the first magnetic induction receiving element rising edge, the second magnetic induction receiving element necessarily exports low level, because
This, single-chip microcomputer accordingly, can accurately judge that magnetic induction carrier rotates forward or reversion, exports pulse during rotating forward
Signal, during reversion, single-chip microcomputer output low level signal therefore, not only can be to wheel rotation counting, and accurately judges magnetic
The direction of rotation of disk and wheel.
2nd, this patent includes surface circumferentially 60 ° of angle annular spread 6 magnetic induction generation using the magnetic induction carrier
The disk of element, the magnetic induction generating device are magnet steel, and the first magnetic induction receiving element and the second magnetic induction receive member
Part is that circumference angle is 30 ° of Hall sensors, due to 2 Hall elements to be separately mounted to the camber line with disk magnet steel with footpath
On.6 magnet steel are evenly distributed on same footpath circumference for 60 ° according to spacing.2 hall devices, 30 ° of interval are distributed in same with 6 magnet steel
On the circumference in footpath, because the angles of 2 Halls are 30 °, two such Hall can uniformly circulate each magnet steel of sensing
Magnetic induction line.The relative motion of disk and support, 6 magnet steel of disk can be made to sequentially enter the induction region of Hall.Disk
Rotation 1 week, 2 Halls have 6 magnet steel to pass through respectively, uniform 12 points of electromagnetic signal can be induced, due to 12 signals
Distributed number is uniform, therefore, not only simplifies sensor construction, and due to scientific and reasonable configuration, improve pulse detection
Accuracy.
3rd, this patent is used if it is determined that two magnetic induction receiving elements rotate forward sensing order rotation, it is determined that magnetic induction carrier
Positive direction rotates；If it is determined that two magnetic induction receiving element reversion sensing orders are rotated, it is determined that magnetic induction carrier opposite direction is revolved
Turn；It is described to judge that two magnetic induction receiving elements rotate forward sensing order rotation and included：Further, if a magnetic induction generating device
Rotary inductive the first magnetic induction receiving element, then the first magnetic induction receiving element produce first porch, if a magnetic strength
Generating device rotary inductive the second magnetic induction receiving element is answered, then the second magnetic induction receiving element produces second porch；
If it is determined that the first magnetic induction receiving element produces first porch and the second magnetic induction receiving element produces second pulse
Edge, it is determined that magnetic induction carrier positive direction rotates；It is described to judge two magnetic induction receiving element reversion sensing order rotation bags
Include：If magnetic induction generating device rotary inductive the second magnetic induction receiving element, the second magnetic induction receiving element produces the
One porch, if magnetic induction generating device rotary inductive the first magnetic induction receiving element, the first magnetic induction receives
Element produces second porch；If it is determined that the first magnetic induction receiving element produces second porch and the second magnetic induction
Receiving element produces first porch, it is determined that and magnetic induction carrier opposite direction rotates, due to as the disc rotates, magnetic induction
Generating device runs into the first magnetic induction receiving element, can trigger rising edge, is connect when magnetic induction generating device runs into the first magnetic induction
When receiving element, second rising edge can be triggered, in this way, a magnetic induction generating device, which rotates a circle, can trigger two rising edges,
Six magnet steel, which rotate a circle, can trigger 12 rising edges, meeting one arteries and veins of synchronism output when single-chip microcomputer detects Hall rising edge
Punching, disk rotate a circle, and single-chip microcomputer can detect 12 Hall rising edges, while can export 12 pulses, the direction of disk rotation,
Rotating and reverse, during rotating forward, during the first magnetic induction receiving element rising edge, the second magnetic induction receiving element must be high level,
Similarly, during reversion, during the first magnetic induction receiving element rising edge, the second magnetic induction receiving element necessarily exports low level, due to
The velocity profile for the double hall structures realized based on a kind of speed-type assistance sensor of double hall structures proposed by the present invention is helped
The rotary detecting method of force snesor, not only to the detection accurate and effective of pulse, and meanwhile it is simply real to the detection of wheel rotating
With.
The 4th, if this patent uses first porch to be received, first power-assisted pulse of synchronism output；If second
Porch is received, then second power-assisted pulse of synchronism output, defeated after calculating processing due to variable quantity is inputted to single-chip microcomputer
Go out to boosting system of electric vehicle, so as to realize the effect for power-assisted of riding.
Brief description of the drawings
Fig. 1 is a kind of speed-type assistance sensor structural representation of double hall structures of the present invention；
Fig. 2 is a kind of rotary detecting method flow chart of the speed-type assistance sensor of double hall structures of the present invention.
Embodiment
The present invention is described further below in conjunction with accompanying drawing：
In figure：1- magnetic induction carriers, 2- magnetic induction generating devices, 3- the first magnetic induction receiving elements, the magnetic induction of 4- second receive
Element；
S201- judges that two magnetic induction receiving elements rotate forward sensing order and rotated；
S202- judges that two magnetic induction receiving element reversion sensing orders rotate；
If one magnetic induction generating device rotary inductive the first magnetic induction receiving element of S203-, the first magnetic induction receiving element
First porch is produced, if magnetic induction generating device rotary inductive the second magnetic induction receiving element, the second magnetic strength
Receiving element is answered to produce second porch；
S204- produces the if it is determined that the first magnetic induction receiving element produces first porch and the second magnetic induction receiving element
Two porches, it is determined that magnetic induction carrier positive direction rotates；
If one magnetic induction generating device rotary inductive the second magnetic induction receiving element of S205-, the second magnetic induction receiving element
First porch is produced, if magnetic induction generating device rotary inductive the first magnetic induction receiving element, the first magnetic strength
Receiving element is answered to produce second porch；
S206- produces the if it is determined that the first magnetic induction receiving element produces second porch and the second magnetic induction receiving element
One porch, it is determined that magnetic induction carrier opposite direction rotates；
If first porch of S207- is received, first power-assisted pulse of synchronism output；If second porch is connect
Receive, then second power-assisted pulse of synchronism output.
Embodiment：
The present embodiment：As shown in figure 1, a kind of speed-type assistance sensor of double hall structures, including rotatable magnetic induction carry
Body 1, the surface annular spread magnetic induction generating device 2 of magnetic induction carrier 1, the magnetic induction of the magnetic induction carrier 1 is corresponding
In the range of member occurs for two magnetic induction receiving elements of fixing assembling, any magnetic induction on the surface of magnetic induction carrier 1 respectively
Part 2 is when positive direction rotates or when opposite direction rotates respectively with corresponding rotating forward sensing order or with corresponding reversion sensing order
It is respectively induced two magnetic induction receiving elements.
Described two magnetic induction receiving elements are respectively the first magnetic induction receiving element 3 and the second magnetic induction receiving element 4.
The sensing order that rotates forward includes any magnetic induction generating device 2 on the surface of magnetic induction carrier 1 in positive direction
First the first magnetic induction receiving element of sensing 3 and second the second magnetic induction receiving element 4 of sensing during rotation.
The reversion sensing order includes any magnetic induction generating device 2 on the surface of magnetic induction carrier 1 in opposite direction
First the second magnetic induction receiving element of sensing 4 and second the first magnetic induction receiving element 3 of sensing during rotation.
The opposite face including magnetic induction carrier 1 is same with magnetic induction generating device 2 in the corresponding scope of the magnetic induction
On the diverse location of the camber line in footpath.
Due to using the magnetic induction carrier surface annular spread magnetic induction generating device, the magnetic strength of the magnetic induction carrier
Answer difference two magnetic induction receiving elements of fixing assembling, any magnetic induction of the magnetic induction carrier surface in corresponding scope
Generating device is felt with corresponding rotating forward sensing order or with corresponding reversion respectively when positive direction rotates or when opposite direction rotates
Two magnetic induction receiving elements should be sequentially respectively induced, described two magnetic induction receiving elements are respectively that the first magnetic induction receives member
Part and the second magnetic induction receiving element, the sensing order that rotates forward include any magnetic induction generation of the magnetic induction carrier surface
Element first the first magnetic induction receiving element of sensing and second second magnetic induction receiving element of sensing when positive direction rotates, it is described
Any magnetic induction generating device that reversion sensing order includes the magnetic induction carrier surface first senses when opposite direction rotates
Second magnetic induction receiving element and second the first magnetic induction receiving element of sensing, the corresponding scope of the magnetic induction is interior to include magnetic
Sense the opposite face of carrier with diverse location of the magnetic induction generating device with the camber line in footpath, due to as the disc rotates, magnetic
Sensing generating device runs into the first magnetic induction receiving element, rising edge can be triggered, when magnetic induction generating device runs into the first magnetic strength
When answering receiving element, second rising edge can be triggered, in this way, a magnetic induction generating device, which rotates a circle, can trigger two risings
Edge, six magnet steel, which rotate a circle, can trigger 12 rising edges, meeting synchronism output one when single-chip microcomputer detects Hall rising edge
Pulse, disk rotate a circle, and single-chip microcomputer can detect 12 Hall rising edges, while can export 12 pulses, the side of disk rotation
To rotating and reverse, during rotating forward, during the first magnetic induction receiving element rising edge, the second magnetic induction receiving element must be high electricity
Flat, similarly, during reversion, during the first magnetic induction receiving element rising edge, the second magnetic induction receiving element necessarily exports low level, because
This, single-chip microcomputer accordingly, can accurately judge that magnetic induction carrier rotates forward or reversion, exports pulse during rotating forward
Signal, during reversion, single-chip microcomputer output low level signal therefore, not only can be to wheel rotation counting, and accurately judges magnetic
The direction of rotation of disk and wheel.
The magnetic induction carrier 1 includes the disk of surface circumferentially 60 ° of annular spreads of angle, 6 magnetic induction generating devices 2.
The magnetic induction generating device 2 is magnet steel, the first magnetic induction receiving element 3 and the second magnetic induction receiving element
4 be that circumference angle is 30 ° of Hall sensors.
Due to including surface circumferentially 60 ° of angle annular spread 6 magnetic induction generating device using the magnetic induction carrier
Disk, the magnetic induction generating device is magnet steel, and the first magnetic induction receiving element and the second magnetic induction receiving element are
Circumference angle is 30 ° of Hall sensors, due to 2 Hall elements are separately mounted to disk magnet steel with the camber line in footpath.6
Magnet steel is evenly distributed on same footpath circumference for 60 ° according to spacing.2 hall devices, it is spaced 30 ° of circles being distributed in 6 magnet steel with footpath
Zhou Shang, because the angles of 2 Halls are 30 °, two such Hall can uniformly circulate the magnetic strength for sensing each magnet steel
Line.The relative motion of disk and support, 6 magnet steel of disk can be made to sequentially enter the induction region of Hall.Disk rotation 1
Week, 2 Halls have 6 magnet steel to pass through respectively, uniform 12 points of electromagnetic signal can be induced, due to 12 o'clock number of signals minute
Cloth is uniform, therefore, not only simplifies sensor construction, and due to scientific and reasonable configuration, improve the accurate of pulse detection
Property.
The present invention also provides a kind of rotary detecting method of the speed-type assistance sensor of double hall structures simultaneously, including：
If it is determined that two magnetic induction receiving elements rotate forward sensing order rotation S201, it is determined that the positive direction of magnetic induction carrier 1 rotates；
If it is determined that two magnetic induction receiving element reversion sensing order rotation S202, it is determined that the opposite direction of magnetic induction carrier 1 rotates；
It is described to judge that two magnetic induction receiving elements rotate forward sensing order rotation S201 and included：
If the first magnetic induction of a rotary inductive receiving element 3 of magnetic induction generating device 2, the first magnetic induction receiving element 3 produces
Raw first porch, if the second magnetic induction of a rotary inductive receiving element 4 of magnetic induction generating device 2, the second magnetic strength
Receiving element 4 is answered to produce second porch S203；
If it is determined that the first magnetic induction receiving element 3 produces first porch and the second magnetic induction receiving element 4 produces second
Individual porch, it is determined that the positive direction of magnetic induction carrier 1 rotates S204；
It is described to judge that two magnetic induction receiving element reversion sensing order rotation S202 include：
If the second magnetic induction of a rotary inductive receiving element 4 of magnetic induction generating device 2, the second magnetic induction receiving element 4 produces
Raw first porch, if the first magnetic induction of a rotary inductive receiving element 3 of magnetic induction generating device 2, the first magnetic strength
Receiving element 3 is answered to produce second porch S205；
If it is determined that the first magnetic induction receiving element 3 produces second porch and the second magnetic induction receiving element 4 produces first
Individual porch, it is determined that the opposite direction of magnetic induction carrier 1 rotates S206.
Due to using if it is determined that two magnetic induction receiving elements rotate forward sensing order rotation, it is determined that magnetic induction carrier is square
To rotation；If it is determined that two magnetic induction receiving element reversion sensing orders rotate, it is determined that magnetic induction carrier opposite direction rotates；Institute
Stating two magnetic induction receiving elements of judgement and rotating forward sensing order and rotate includes：Further, if a magnetic induction generating device rotation
Sense the first magnetic induction receiving element, then the first magnetic induction receiving element produces first porch, if a magnetic induction hair
Element rotary inductive the second magnetic induction receiving element is given birth to, then the second magnetic induction receiving element produces second porch；If sentence
Fixed first magnetic induction receiving element produces first porch and the second magnetic induction receiving element produces second porch,
Then determine the rotation of magnetic induction carrier positive direction；It is described to judge that two magnetic induction receiving element reversion sensing order rotations include：If
One magnetic induction generating device rotary inductive the second magnetic induction receiving element, then the second magnetic induction receiving element produce first arteries and veins
Trimming edge, if magnetic induction generating device rotary inductive the first magnetic induction receiving element, the production of the first magnetic induction receiving element
Raw second porch；If it is determined that the first magnetic induction receiving element produces second porch and the second magnetic induction receives member
Part produces first porch, it is determined that magnetic induction carrier opposite direction rotates, because as the disc rotates, member occurs for magnetic induction
Part runs into the first magnetic induction receiving element, can trigger rising edge, when magnetic induction generating device runs into the first magnetic induction receiving element
When, second rising edge can be triggered, in this way, a magnetic induction generating device, which rotates a circle, can trigger two rising edges, six magnetic
Steel, which rotates a circle, can trigger 12 rising edges, meeting one pulse of synchronism output, disk when single-chip microcomputer detects Hall rising edge
Rotate a circle, single-chip microcomputer can detect 12 Hall rising edges, while can export 12 pulses, disk rotation direction, rotate forward and
Reversion, during rotating forward, during the first magnetic induction receiving element rising edge, the second magnetic induction receiving element must be high level, similarly, instead
When turning, during the first magnetic induction receiving element rising edge, the second magnetic induction receiving element necessarily exports low level, due to based on this hair
A kind of speed-type assistance sensor of double hall structures of bright proposition and the speed-type assistance sensor of double hall structures realized
Rotary detecting method, not only to the detection accurate and effective of pulse, while simple and practical to the detection of wheel rotating.
If first porch is received, first power-assisted pulse of synchronism output；
If second porch is received, second power-assisted pulse 207 of synchronism output.
If due to using first porch to be received, first power-assisted pulse of synchronism output；If second pulse
Edge is received, then second power-assisted pulse of synchronism output, due to variable quantity is inputted to single-chip microcomputer, exported after calculating processing to
Boosting system of electric vehicle, so as to realize the effect for power-assisted of riding.
Operation principle：
This patent passes through the magnetic induction carrier surface annular spread magnetic induction generating device, the magnetic induction of the magnetic induction carrier
Two magnetic induction receiving elements of fixing assembling, any magnetic induction of the magnetic induction carrier surface are sent out respectively in corresponding scope
Raw element senses with corresponding rotating forward sensing order or with corresponding reversion respectively when positive direction rotates or when opposite direction rotates
Order is respectively induced two magnetic induction receiving elements, and described two magnetic induction receiving elements are respectively the first magnetic induction receiving element
With the second magnetic induction receiving element, the sensing order that rotates forward includes any magnetic induction generation member of the magnetic induction carrier surface
Part first the first magnetic induction receiving element of sensing and second second magnetic induction receiving element of sensing when positive direction rotates, it is described anti-
Turn sensing order and include any magnetic induction generating device of the magnetic induction carrier surface first to sense the when opposite direction rotate
Two magnetic induction receiving elements and second the first magnetic induction receiving element of sensing, the corresponding scope of the magnetic induction is interior to include magnetic strength
Answer the opposite face of carrier with diverse location of the magnetic induction generating device with the camber line in footpath, due to as the disc rotates, magnetic strength
Answer generating device to run into the first magnetic induction receiving element, rising edge can be triggered, when magnetic induction generating device runs into the first magnetic induction
During receiving element, second rising edge can be triggered, in this way, a magnetic induction generating device, which rotates a circle, can trigger two risings
Edge, six magnet steel, which rotate a circle, can trigger 12 rising edges, meeting synchronism output one when single-chip microcomputer detects Hall rising edge
Pulse, disk rotate a circle, and single-chip microcomputer can detect 12 Hall rising edges, while can export 12 pulses, the side of disk rotation
To rotating and reverse, during rotating forward, during the first magnetic induction receiving element rising edge, the second magnetic induction receiving element must be high electricity
Flat, similarly, during reversion, during the first magnetic induction receiving element rising edge, the second magnetic induction receiving element necessarily exports low level, because
This, single-chip microcomputer accordingly, can accurately judge that magnetic induction carrier rotates forward or reversion, exports pulse during rotating forward
Signal, during reversion, single-chip microcomputer output low level signal, the present invention solve prior art existing assistant sensor be present can only be defeated
Go out it is rotary pulsed, the problem of so as to lead to not to judge the direction of rotation of disk and wheel, have accurately judge disk and
The direction of rotation of wheel, the accuracy of pulse detection, simple and practical, power-assisted of riding the advantageous effects of detection of rotating.
Designed using technical scheme, or those skilled in the art under the inspiration of technical solution of the present invention
Go out similar technical scheme, and reach above-mentioned technique effect, be to fall into protection scope of the present invention.
Claims (10)
1. a kind of speed-type assistance sensor of double hall structures, it is characterised in that described including rotatable magnetic induction carrier
Magnetic induction carrier surface annular spread magnetic induction generating device, the scope that the magnetic induction of the magnetic induction carrier is corresponding are interior respectively
Two magnetic induction receiving elements of fixing assembling, any magnetic induction generating device of the magnetic induction carrier surface rotate in positive direction
When or opposite direction rotate when respectively with it is corresponding rotating forward sensing order or with it is corresponding reversion sensing order be respectively induced two magnetic
Sense receiving element.
2. the speed-type assistance sensor of a kind of double hall structures according to claim 1, it is characterised in that described two
Magnetic induction receiving element is respectively the first magnetic induction receiving element and the second magnetic induction receiving element.
A kind of 3. speed-type assistance sensor of double hall structures according to claim 2, it is characterised in that the rotating forward
Sensing order includes any magnetic induction generating device first sensing first when positive direction rotates of the magnetic induction carrier surface
Magnetic induction receiving element and second the second magnetic induction receiving element of sensing.
A kind of 4. speed-type assistance sensor of double hall structures according to claim 2, it is characterised in that the reversion
Sensing order includes any magnetic induction generating device first sensing second when opposite direction rotates of the magnetic induction carrier surface
Magnetic induction receiving element and second the first magnetic induction receiving element of sensing.
A kind of 5. speed-type assistance sensor of double hall structures according to claim 1, it is characterised in that the magnetic strength
Answer the diverse location with magnetic induction generating device with the camber line in footpath of the opposite face including magnetic induction carrier in corresponding scope
On.
A kind of 6. speed-type assistance sensor of double hall structures according to claim 1, it is characterised in that the magnetic strength
Carrier is answered to include the disk of surface circumferentially 60 ° of annular spreads of angle, 6 magnetic induction generating devices.
A kind of 7. speed-type assistance sensor of double hall structures according to claim 2, it is characterised in that the magnetic strength
It is magnet steel to answer generating device, the first magnetic induction receiving element and the second magnetic induction receiving element be circumference angle be 30 ° suddenly
That sensor.
A kind of 8. rotary detecting method of the speed-type assistance sensor of double hall structures, it is characterised in that including：
Rotated if it is determined that two magnetic induction receiving elements rotate forward sensing order, it is determined that magnetic induction carrier positive direction rotates；
If it is determined that two magnetic induction receiving element reversion sensing orders rotate, it is determined that magnetic induction carrier opposite direction rotates.
9. a kind of rotary detecting method of the speed-type assistance sensor of double hall structures according to claim 1, it is special
Sign is, described to judge that two magnetic induction receiving elements rotate forward sensing order rotation and included：
If magnetic induction generating device rotary inductive the first magnetic induction receiving element, the first magnetic induction receiving element produces the
One porch, if magnetic induction generating device rotary inductive the second magnetic induction receiving element, the second magnetic induction receives
Element produces second porch；
If it is determined that the first magnetic induction receiving element produces first porch and the second magnetic induction receiving element produces second
Porch, it is determined that magnetic induction carrier positive direction rotates；
It is described to judge that two magnetic induction receiving element reversion sensing order rotations include：
If magnetic induction generating device rotary inductive the second magnetic induction receiving element, the second magnetic induction receiving element produces the
One porch, if magnetic induction generating device rotary inductive the first magnetic induction receiving element, the first magnetic induction receives
Element produces second porch；
If it is determined that the first magnetic induction receiving element produces second porch and the second magnetic induction receiving element produces first
Porch, it is determined that magnetic induction carrier opposite direction rotates.
10. a kind of rotary detecting method of the speed-type assistance sensor of double hall structures according to claim 9, it is special
Sign is, if first porch is received, first power-assisted pulse of synchronism output；
If second porch is received, second power-assisted pulse of synchronism output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710873536.8A CN107764288A (en) | 2017-09-25 | 2017-09-25 | A kind of speed-type assistance sensor and rotary detecting method of double hall structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710873536.8A CN107764288A (en) | 2017-09-25 | 2017-09-25 | A kind of speed-type assistance sensor and rotary detecting method of double hall structures |
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| Publication Number | Publication Date |
|---|---|
| CN107764288A true CN107764288A (en) | 2018-03-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710873536.8A Pending CN107764288A (en) | 2017-09-25 | 2017-09-25 | A kind of speed-type assistance sensor and rotary detecting method of double hall structures |
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| CN111044087A (en) * | 2020-01-14 | 2020-04-21 | 奥维飞越通信有限公司 | High-precision magnetic induction type encoder |
| CN111366174A (en) * | 2020-03-20 | 2020-07-03 | 青岛中加特电气股份有限公司 | Magnetic induction detection device and method for detecting rotation direction |
| CN112150721A (en) * | 2020-09-25 | 2020-12-29 | 北京骑胜科技有限公司 | Detection method, lockset, vehicle and storage medium |
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Application publication date: 20180306 |