CN109490900A - A kind of sensor - Google Patents
A kind of sensor Download PDFInfo
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- CN109490900A CN109490900A CN201910005654.6A CN201910005654A CN109490900A CN 109490900 A CN109490900 A CN 109490900A CN 201910005654 A CN201910005654 A CN 201910005654A CN 109490900 A CN109490900 A CN 109490900A
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- Prior art keywords
- circuit
- signal
- rotor
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/50—Systems of measurement based on relative movement of target
- G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The present embodiments relate to a kind of sensors, comprising: transceiver module, shaping circuit, amplifying circuit and the comparison circuit being sequentially electrically connected；Wherein, the strength signal for emitting laser, and the strength signal that the reception object to be measured is returned based on the laser to object to be measured, and is sent to the shaping circuit by the transceiver module；The shaping circuit and the amplifying circuit successively carry out signal processing to the strength signal, and by treated, signal inputs the comparison circuit, and the comparison circuit exports the judging result of the object to be measured based on the signal.Feux rouges is sent to rotor by laser emitter, when feux rouges beat rotor groove and rotor surface when, based on feux rouges to the different signal of simulation reception pipe emission intensity, determine the number of groove according to this, it realizes and unremitting measurement is carried out to high-speed rotating rotor, it is reliable and stable.
Description
Technical field
The present embodiments relate to Data Detection more particularly to a kind of sensors.
Background technique
Photoelectric sensor is using sensor of the photoelectric cell as detecting element.It first converts measured variation
At the variation of optical signal, electric signal is further then converted optical signals by photoelectric cell.Photoelectric sensor is generally by light
Source, optical path and photoelectric cell three parts composition.Photoelectric detecting method has many advantages, such as that precision is high, reaction is fast, non-contact, and
And can survey that parameter is more, the structure of sensor is simple, and flexible form multiplicity, therefore, photoelectric sensor is answered in detecting and controlling
With very extensive.Photoelectric sensor is the key element that photoelectric conversion is realized in various photodetector systems, it is optical signal
(infrared, visible and ultraviolet radiation) is transformed into the device of electric signal.Photoelectric sensor is using photoelectric device as conversion
The sensor of element.It can be used for detecting the non electrical quantity for directly causing light quantity to change, such as light intensity, illuminance, radiation temperature measurement, gas
Constituent analysis etc..
However, traditional photoelectric sensor be typically all judge objects in front have or nothing, and can only be at one
It is measured in fixed range, specific sensor can only be used in specific occasion.
Summary of the invention
In consideration of it, to solve above-mentioned technical problem or partial technical problems, the embodiment of the present invention provide a kind of sensor.
In a first aspect, the embodiment of the present invention provides a kind of sensor, comprising:
Transceiver module, shaping circuit, amplifying circuit and the comparison circuit being sequentially electrically connected；
Wherein, the transceiver module, for emitting laser, and the reception object to be measured based on described to object to be measured
The strength signal that laser returns, and the strength signal is sent to the shaping circuit；
The shaping circuit and the amplifying circuit successively carry out signal processing to the strength signal, will treated letter
Number input comparison circuit, the comparison circuit export the judging result of the object to be measured based on the signal.
In a possible embodiment, the object to be measured includes: the object of rotation or the object of movement.
In a possible embodiment, the object of the rotation includes: the rotor for carrying embedding groove.
In a possible embodiment, the object of the movement includes: the object that interval setting has color difference.
In a possible embodiment, the transceiver module, comprising: laser emitter and simulation reception pipe；
The laser emitter is fixedly installed with the simulation reception pipe with arbitrary interval.
In a possible embodiment, the laser emitter, for emitting to the rotor for carrying embedding groove
Feux rouges.
In a possible embodiment, simulated reception pipe is distributed for receiving the rotor based on feux rouges red
Outside line strength signal.
In a possible embodiment, the shaping circuit includes: bandwidth-limited circuit and/or capacitor filtering electricity
Road.
In a possible embodiment, the amplifying circuit includes: level-one operational amplifier circuit and second level operational amplifier circuit.
In a possible embodiment, the judging result, for determining revolving speed or the shifting of the object of the rotation
The movement speed of dynamic object.
Sensor provided in this embodiment can pass through laser emitter with rotor embedding groove number detection is applied to
To rotor send feux rouges, when feux rouges beat rotor groove and rotor surface when, based on feux rouges to simulate reception pipe distribute
The different signal of intensity determines the number of groove according to this, realizes and carry out unremitting measurement to high-speed rotating rotor, stablize
Reliably.The data measured by the sensor can also determine that the revolving speed of rotor and positioning turn under the calculating of main control module
The rotation angle etc. of son.
Detailed description of the invention
Fig. 1 is a kind of application scenario diagram of sensor provided in an embodiment of the present invention；
Fig. 2 is another application scenario diagram of sensor provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of sensor provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another sensor provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In order to facilitate understanding of embodiments of the present invention, it is further explained below in conjunction with attached drawing with specific embodiment
Bright, embodiment does not constitute the restriction to the embodiment of the present invention.
Fig. 1 is a kind of application scenario diagram of sensor provided in an embodiment of the present invention, as shown in Figure 1, specifically including:
The sensor 10 that the present embodiment is related to can be applied to the detection of the object of rotation, such as rotor embedding groove number inspection
It surveys, the distance between sensor 10 and rotor 20 can be set according to actual needs by the way that sensor 10 to be fixed on bracket
(such as 10cm).
When the rotor rotates, sensor 10 emits feux rouges to rotor 20, and the different signal of the intensity distributed based on rotor is passed
Sensor 10 determines that the position of sensor 10 at this time and 20 face of rotor is to pass through company for recess region or rotor surface region
Continuous measurement can determine the number that rotor occurs in special time period inner groovy.
Fig. 2 is another application scenario diagram of sensor provided in an embodiment of the present invention, as shown in Fig. 2, specifically including:
The detection that the sensor 10 that the present embodiment is related to can be applied to mobile object 30 (is spaced setting with color difference
Object), such as the quantity of product in product line passed through, setting different colours are identified (on the carrier of carrying product
The mark of even interval setting black white), when mobile object 30 moves forward, sensor 10 emits to mobile object 30
Feux rouges, different based on trap of the feux rouges to black white, the different signal of the intensity distributed, the determination of sensor 10 passes at this time
The position of sensor 10 and mobile 30 face of object is that logos or white indicia can determine by continuously measuring according to this
The quantity of product in special time period.
Fig. 3 is a kind of structural schematic diagram of sensor provided in an embodiment of the present invention, as shown in figure 3, the sensing implement body
Include:
Transceiver module 101, shaping circuit 102, amplifying circuit 103 and the comparison circuit 104 being sequentially electrically connected；
Wherein, the transceiver module 101, for being based on to object to be measured transmitting laser, and the reception object to be measured
The strength signal that the laser returns, and the strength signal is sent to the shaping circuit 102；
The shaping circuit 102 and the amplifying circuit 103 successively carry out signal processing to the strength signal, will handle
Signal afterwards inputs the comparison circuit 104, and the comparison circuit 104 exports the judgement of the object to be measured based on the signal
As a result.
Optionally, the object to be measured includes: the object of rotation or the object of movement.
Further, the object of the rotation can be the rotor for carrying embedding groove as shown in Figure 1, Yi Jisuo
Stating mobile object can be the object that interval setting as shown in Figure 2 has color difference.
In an optinal plan of the present embodiment, the transceiver module 101, comprising: laser emitter 1011 and simulation connect
Closed tube 1012.
Further, the laser emitter 1011 is fixedly installed with the simulation reception pipe 1012 with arbitrary interval.
The laser emitter can emit feux rouges to the rotor for carrying embedding groove, or have color to interval setting
The object of difference emits feux rouges.
In the present embodiment, laser emitter can between be connected to power supply, by power supply be laser emitter power supply set out
Laser, such as feux rouges.
Reception pipe 1012 is simulated, infra-red intensity signal or mobile object base that the rotor is distributed based on feux rouges are received
In the infra-red intensity signal (analog signal) that feux rouges distributes.
It should be noted that the focusing of the adjustable light in the head of laser emitter, and then adjust the laser issued
Focus level；Simulation reception pipe is alternatively referred to as infrared receiving tube, can sense the infrared intensity of the reflection of the object in front.Two
The relative position of person can be fixedly installed before measuring using arbitrary interval, start measuring phases, the relative position of the two is solid
It is fixed.
Optionally, the shaping circuit 102 includes: bandwidth-limited circuit and/or capacitor filter.
Further, shaping circuit 102 can be filtered etc. processing to the simulation received analog signal of reception pipe 1012, and
By treated, signal is sent to amplifying circuit 103.
Optionally, the amplifying circuit 103 includes: level-one operational amplifier circuit and second level operational amplifier circuit.
Further, level-one operational amplifier circuit amplifies signal, so that the signal that simulation reception pipe 1012 receives is in and closes
In the recognizable range of reason, specific amplification factor can be adjusted by potentiometer, can be set according to actual needs
It is fixed, in this regard, the present embodiment is not especially limited.
Second level operational amplifier circuit can also be adjusted for adjusting pulse width by potentiometer.
Optionally, comparison circuit 104 for converting analog signals into digital signal, and pass through pre-stored ratio
Corresponding judging result is exported to rule.
Such as, it indicates that laser is beaten in rotor surface with pulse 1, indicates that laser beats the embedding groove in rotor with pulse 0, pass through
Comparison circuit 104 exports judging result.
For another example, it indicates that laser is beaten on logos with pulse 1, indicates that laser is beaten on white indicia with pulse 0, pass through
Comparison circuit 104 exports judging result.
It needs, it, can be by the way that comparison circuit 104 be adjusted and be arranged, to realize ratio before working sensor
Compared with the judging result of circuit output.
In an optinal plan of the present embodiment, the judging result that comparison circuit 104 exports, for determining the rotation
The movement speed of the object of the revolving speed or movement of object.
In the present embodiment, the depth of groove can be arranged to identical or different, by the way that the difference of amplification factor is arranged,
The size of the adjustable corresponding simulation received analog signal of reception pipe 1012, and then realize turning for measurement different depth recess
Son.
Sensor provided in this embodiment can pass through laser emitter with rotor embedding groove number detection is applied to
To rotor send feux rouges, when feux rouges beat rotor groove and rotor surface when, based on feux rouges to simulate reception pipe distribute
The different signal of intensity determines the number of groove according to this, realizes and carry out unremitting measurement to high-speed rotating rotor, stablize
Reliably.The data measured by the sensor can also determine that the revolving speed of rotor and positioning turn under the calculating of main control module
The rotation angle etc. of son.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It should not be considered as beyond the scope of the present invention.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of sensor characterized by comprising
Transceiver module, shaping circuit, amplifying circuit and the comparison circuit being sequentially electrically connected；
Wherein, the transceiver module, for emitting laser, and the reception object to be measured based on the laser to object to be measured
The strength signal of return, and the strength signal is sent to the shaping circuit；
The shaping circuit and the amplifying circuit successively carry out signal processing to the strength signal, and by treated, signal is defeated
Enter the comparison circuit, the comparison circuit exports the judging result of the object to be measured based on the signal.
2. sensor according to claim 1, which is characterized in that the object to be measured includes: object or the movement of rotation
Object.
3. sensor according to claim 2, which is characterized in that the object of the rotation includes: to carry embedding groove
Rotor.
4. sensor according to claim 2, which is characterized in that the object of the movement includes: that interval setting has face
The different object of color difference.
5. sensor according to claim 1, which is characterized in that the transceiver module, comprising: laser emitter and simulation
Reception pipe；
The laser emitter is fixedly installed with the simulation reception pipe with arbitrary interval.
6. the sensor according to claim 3 or 5, which is characterized in that the laser emitter, for carry embedding
The rotor of groove emits feux rouges.
7. the sensor according to claim 3 or 6, which is characterized in that simulated reception pipe, for receiving the rotor base
In the infra-red intensity signal that feux rouges distributes.
8. sensor according to claim 1 or claim 7, which is characterized in that the shaping circuit includes: bandwidth-limited circuit
And/or capacitor filter.
9. sensor according to claim 1 or 8, which is characterized in that the amplifying circuit include: level-one operational amplifier circuit and
Second level operational amplifier circuit.
10. sensor according to claim 2, which is characterized in that the judging result, for determining pair of the rotation
The movement speed of the object of the revolving speed or movement of elephant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005654.6A CN109490900A (en) | 2019-01-03 | 2019-01-03 | A kind of sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005654.6A CN109490900A (en) | 2019-01-03 | 2019-01-03 | A kind of sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109490900A true CN109490900A (en) | 2019-03-19 |
Family
ID=65713938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910005654.6A Pending CN109490900A (en) | 2019-01-03 | 2019-01-03 | A kind of sensor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302740A (en) * | 1999-09-28 | 2001-07-11 | 斯奈邦德国控股有限公司 | Corner sensor for rotor, especially for motor vehicle wheel ready to balance |
| CN200950063Y (en) * | 2006-05-18 | 2007-09-19 | 张焕庭 | Photoelectric speedometer |
| US20100073683A1 (en) * | 2008-09-22 | 2010-03-25 | Yamatake Corporation | Reflective photoelectric sensor and object detecting method |
| CN104567956A (en) * | 2014-12-22 | 2015-04-29 | 佛山轻子精密测控技术有限公司 | Relative type rotary encoder and measurement method thereof |
| KR20160007949A (en) * | 2014-07-10 | 2016-01-21 | 건국대학교 산학협력단 | Precision-stopping measurement system and precision-stopping measurement method of a train |
| CN206640526U (en) * | 2017-03-11 | 2017-11-14 | 常州市裕成富通电机有限公司 | Switched reluctance motor for electric automobile detecting apparatus for rotor position |
-
2019
- 2019-01-03 CN CN201910005654.6A patent/CN109490900A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302740A (en) * | 1999-09-28 | 2001-07-11 | 斯奈邦德国控股有限公司 | Corner sensor for rotor, especially for motor vehicle wheel ready to balance |
| CN200950063Y (en) * | 2006-05-18 | 2007-09-19 | 张焕庭 | Photoelectric speedometer |
| US20100073683A1 (en) * | 2008-09-22 | 2010-03-25 | Yamatake Corporation | Reflective photoelectric sensor and object detecting method |
| KR20160007949A (en) * | 2014-07-10 | 2016-01-21 | 건국대학교 산학협력단 | Precision-stopping measurement system and precision-stopping measurement method of a train |
| CN104567956A (en) * | 2014-12-22 | 2015-04-29 | 佛山轻子精密测控技术有限公司 | Relative type rotary encoder and measurement method thereof |
| CN206640526U (en) * | 2017-03-11 | 2017-11-14 | 常州市裕成富通电机有限公司 | Switched reluctance motor for electric automobile detecting apparatus for rotor position |
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