CN207457266U - A kind of mining velocity sensor - Google Patents
A kind of mining velocity sensor Download PDFInfo
- Publication number
- CN207457266U CN207457266U CN201721500937.0U CN201721500937U CN207457266U CN 207457266 U CN207457266 U CN 207457266U CN 201721500937 U CN201721500937 U CN 201721500937U CN 207457266 U CN207457266 U CN 207457266U
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- China
- Prior art keywords
- roller bearing
- ring flange
- mining
- optoelectronic switch
- microcontroller
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses a kind of mining velocity sensors, include left and right side wheel, upper cover, lower cover and left and right ring flange, roller bearing is connected between the side wheel of left and right, left and right ring flange is mounted on roller bearing, top of the left and right end of the upper cover respectively with left and right ring flange is fixedly connected, lower end of the left and right end of lower cover respectively with left and right ring flange is fixedly connected, in upper cover, roller bearing, bearing is installed between lower cover, gear paddle is additionally provided on roller bearing, circuit board assemblies are installed on the inside of lower cover, optoelectronic switch is also equipped on circuit board assemblies, the roller bearing rotation driven gear paddle ceaselessly cuts optoelectronic switch.The utility model constantly cuts optoelectronic switch by gear paddle, pass through circuit conversion, realize the output of frequency signal, microcontroller, which receives frequency signal, can calculate current linear velocity, this product is fast with corresponding speed, the features such as waveform exports the small grade of distortion a little, while optoelectronic switch has small power consumption, and supply district is big.
Description
Technical field
The utility model is related to mining equipment technical field more particularly to a kind of mining velocity sensors.
Background technology
Traditional velocity sensor, it is in close contact therewith to be mounted in downside belt, roller is mounted on belt feeder belt
In the following, the linear velocity of both roller and belt feeder is equal, there is a magnet above roller, with the rotation of roller, the magnetic on roller
Iron follows the hall probe for rotating continuous swipe speeds sensor, when having magnetic field around hall probe, exports low level, otherwise high
Level, the number skimmed over by detecting magnetic head in the unit interval are transformed into corresponding frequency signal by circuit, finally export to
Control system realizes real-time guard.But this method has the disadvantage that, and first, application condition is big, and the waveform of output is not too
Specification, second, debugging trouble is, it is necessary to debug the distance of magnet and hall probe and immobilize, while magnet is heavy.The
Three, low-response can cause error very big, and the response time is slow etc..
Utility model content
The defects of the utility model aim is exactly to make up prior art, provides a kind of mining velocity sensor.
The utility model is achieved through the following technical solutions：
A kind of mining velocity sensor includes left and right side wheel, upper cover, lower cover and left and right ring flange, is sidewindered in left and right
Be connected with roller bearing between wheel, the left and right ring flange is mounted on roller bearing, the left and right end of the upper cover respectively with left and right method
The top of blue disk is fixedly connected, and the lower end of the left and right end of lower cover respectively with left and right ring flange is fixedly connected, upper cover, roller bearing, under
Bearing between lid is installed, gear paddle is additionally provided on roller bearing, circuit board assemblies are installed on the inside of lower cover, in circuit board
Optoelectronic switch is also equipped on component, the roller bearing rotation driven gear paddle ceaselessly cuts optoelectronic switch.
The circuit board assemblies include circuit board and installation microcontroller, frequency input circuit, crystalline substance on circuit boards
Shake circuit, power supply, frequency output circuitry, the frequency input circuit, crystal oscillating circuit, power supply, frequency output circuitry with list
Piece machine connects, and the optoelectronic switch is connected with frequency input circuit.
The frequency input circuit includes photophore U1, and an input terminal of photophore U1 connects optoelectronic switch, separately
One end of one input terminal connection resistance R1, an output head grounding of another termination+VCC of resistance R1, photophore U1 are another
A output terminal connects one end and the microcontroller of resistance R2, another termination+5V power supplys of resistance R2 respectively.
The microcontroller uses the microcontroller of STC15 series, has timer internal resource.
The model PC817 of the photophore U1.
It is sealed between roller bearing and left and right ring flange using felt seal ring.
The utility model, which belongs to, to be mounted in the rack of belt conveyer, and the idler wheel on sensor is rotated with belt, and two
The linear velocity of person is equal, and with the rotation of idler wheel, the gear paddle on idler wheel constantly cuts optoelectronic switch, and optoelectronic switch is only defeated
Go out two kinds of stable states namely " logical " and " disconnected ", by detecting the number of break-make in the unit interval, be transformed into phase by circuit
The frequency signal answered finally exports and realizes real-time guard to control system.
The utility model has the advantages that：The utility model uses pulse photo-electric principle, and it is above-mentioned to solve traditional sensors
The shortcomings that, optoelectronic switch is constantly cut by gear paddle, by circuit conversion, realizes the output of frequency signal, microcontroller
Current linear velocity can be calculated by receiving frequency signal, and this product has that corresponding speed is fast, and waveform output distortion is small etc. has
Point, while optoelectronic switch is with the features such as small power consumption, supply district is big.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is circuit board assemblies structure diagram.
Fig. 3 is frequency input circuit figure.
Specific embodiment
As shown in Figure 1, a kind of mining velocity sensor, includes left and right side wheel 1, upper cover 2, lower cover 3 and left and right flange
Disk 4 is connected with roller bearing 5 between left and right side wheel 1, and the left and right ring flange 4 is mounted on roller bearing 5, the upper cover 2
Top of the left and right end respectively with left and right ring flange 4 is fixedly connected, and the lower end of the left and right end of lower cover 3 respectively with left and right ring flange 4 is consolidated
Fixed connection, is equipped with bearing 6 between upper cover 2, roller bearing 5, lower cover 3, gear paddle 7 is additionally provided on roller bearing 5, in lower cover 3
Inside is equipped with circuit board group 8, and optoelectronic switch 9 is also equipped on circuit board assemblies 8, and the roller bearing 5 rotates band moving teeth
Wheel paddle 7 ceaselessly cuts optoelectronic switch 9.
As shown in Fig. 2, the circuit board assemblies 8 include circuit board and installation microcontroller 10, frequency on circuit boards
Rate input circuit 11, crystal oscillating circuit 12, power supply 13, frequency output circuitry 14, the frequency input circuit 11, crystal oscillating circuit
12nd, power supply 13, frequency output circuitry 14 are connected with microcontroller 10, and the optoelectronic switch 9 is connected with frequency input circuit 11.
Crystal oscillating circuit 12 provides stable sequential for microcontroller 10, allows the execution program statement of microcontroller 10 without any confusion.
11 part of frequency input circuit is coupled by optocoupler and the amplitude that frequency signal exports is adjusted within 5V, for monolithic
Air ticket processing, microcontroller sample this signal and are for control by the passive frequencies signal for calculating the corresponding 200-1000HZ of output
System sampling and processing.
As shown in figure 3, the frequency input circuit includes photophore U1, the input terminal connection light of photophore U1
Electric switch 9, one end of another input terminal connection resistance R1, an output of another termination+VCC of resistance R1, photophore U1
End ground connection, another output terminal connect one end and the microcontroller of resistance R2, another termination+5V power supplys of resistance R2 respectively.
SINGLE_IN cuts signal obtained by optoelectronic switch for idler wheel, when SINGLE_IN is low level, at this point ,+VCC is passed through
R1, phototube are crossed, SINGLE_IN forms access, and photophore emits beam, and light is radiated on light-receiving device at this time, and light-receiving device receives
It is turned on after light, generates photoelectric current and exported from output terminal, it is achieved thereby that the conversion of " electrical-optical-electrical ", SINGLE_OUT is defeated at this time
Go out for low level, when SINGLE_IN is high level ,+VCC passes through R1, phototube, and SINGLE_IN does not form access, sends out
Light device does not emit beam, and less than light-receiving device, light-receiving device is not turned on for light irradiation at this time, SINGLE_OUT output high level, amplitude
Equal to+5V voltages, microcontroller external interrupt pin is then inputted.Wheel speeds can be measured by being combined with microcontroller timer simultaneously
The frequency of input obtains conversion of the signal to single-chip microcomputer signal so as to fulfill idler wheel.
The microcontroller uses the microcontroller of STC15 series, has timer internal resource.
The model PC817 of the photophore U1.
It is sealed between roller bearing 5 and left and right ring flange 4 using felt seal ring 15.
Claims (6)
1. a kind of mining velocity sensor, it is characterised in that：Include left and right side wheel, upper cover, lower cover and left and right ring flange,
Roller bearing is connected between the side wheel of left and right, the left and right ring flange is mounted on roller bearing, the left and right end difference of the upper cover
Be fixedly connected with the top of left and right ring flange, the lower end of the left and right end of lower cover respectively with left and right ring flange is fixedly connected, upper cover,
Bearing between roller bearing, lower cover is installed, gear paddle is additionally provided on roller bearing, circuit board assemblies are installed on the inside of lower cover,
Optoelectronic switch is also equipped on circuit board assemblies, the roller bearing rotation driven gear paddle ceaselessly cuts optoelectronic switch.
2. a kind of mining velocity sensor according to claim 1, it is characterised in that：The circuit board assemblies include
Circuit board and installation microcontroller, frequency input circuit, crystal oscillating circuit, power supply, frequency output circuitry on circuit boards, it is described
Frequency input circuit, crystal oscillating circuit, power supply, frequency output circuitry are connected with microcontroller, and the optoelectronic switch and frequency are defeated
Enter circuit connection.
3. a kind of mining velocity sensor according to claim 2, it is characterised in that：The frequency input circuit includes
There are photophore U1, the input terminal connection optoelectronic switch of photophore U1, one end of another input terminal connection resistance R1, resistance
An output head grounding of another termination+VCC of R1, photophore U1, another output terminal connect respectively resistance R2 one end and
Microcontroller, another termination+5V power supplys of resistance R2.
4. a kind of mining velocity sensor according to claim 2, it is characterised in that：The microcontroller uses STC15
The microcontroller of series has timer internal resource.
5. a kind of mining velocity sensor according to claim 3, it is characterised in that：The model of the photophore U1
PC817。
6. a kind of mining velocity sensor according to claim 1, it is characterised in that：Between roller bearing and left and right ring flange
It is sealed using felt seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721500937.0U CN207457266U (en) | 2017-11-13 | 2017-11-13 | A kind of mining velocity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721500937.0U CN207457266U (en) | 2017-11-13 | 2017-11-13 | A kind of mining velocity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207457266U true CN207457266U (en) | 2018-06-05 |
Family
ID=62278919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721500937.0U Active CN207457266U (en) | 2017-11-13 | 2017-11-13 | A kind of mining velocity sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207457266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796953A (en) * | 2017-11-13 | 2018-03-13 | 安徽蓝海之光科技有限公司 | A kind of mining velocity sensor |
-
2017
- 2017-11-13 CN CN201721500937.0U patent/CN207457266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796953A (en) * | 2017-11-13 | 2018-03-13 | 安徽蓝海之光科技有限公司 | A kind of mining velocity sensor |
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