CN201285403Y - Wind speed sensor - Google Patents
Wind speed sensor Download PDFInfo
- Publication number
- CN201285403Y CN201285403Y CNU200820039479XU CN200820039479U CN201285403Y CN 201285403 Y CN201285403 Y CN 201285403Y CN U200820039479X U CNU200820039479X U CN U200820039479XU CN 200820039479 U CN200820039479 U CN 200820039479U CN 201285403 Y CN201285403 Y CN 201285403Y
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- CN
- China
- Prior art keywords
- circuit
- processing unit
- central processing
- air velocity
- velocity transducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to a sensor, in particular to a wind speed sensor which is mainly used for detecting the wind speed of various underpasses, wind gaps, a fan engine mine entrance, and the like inside a coal mine. A wind speed sensor circuit comprises an electrical source, an ultrasonic modulating and demodulating circuit, a central processing unit, a signal output circuit, an acousto-optic alarm circuit, a display, a remote-control receiving circuit and a data storage circuit, wherein an ultrasonic sensing head is connected with the data output port of the central processing unit through the ultrasonic modulating and demodulating circuit, an infrared remote-control receiver is connected with the data input port of the central processing unit, and a bit LED nixie display, an output circuit, an acousto-optic alarm device, a watchdog and a memorizer are connected with the I/O of a central processing unit 3. The utility model has the advantages of small volume, high sensitivity and stability and simple structure.
Description
Technical field
The utility model relates to a kind of sensor, specifically is a kind of air velocity transducer, mainly is applicable to various tunnels under the coal mine, the air port, and the wind speed that ventilating fan well head etc. is located detects.
Background technology
Ultrasonic technique is used widely on air velocity transducer, and existing air velocity transducer generally is fixed air velocity transducer.Its shortcoming is that volume is big, and weight is heavier, therefore, is not easy to carry.And ultrasound emission circuit and receiving circuit complexity, power consumption is big.
Summary of the invention
Utility model provides a kind of air velocity transducer, and it is little, highly sensitive to have a volume, and stability is high, characteristic of simple structure.And can use with other monitoring system matching of colliery.
The utility model is realized with following technical scheme: a kind of air velocity transducer comprises housing and is installed in the interior air velocity transducer circuit of housing, telepilot and ultrasonic probe; It is characterized in that the air velocity transducer circuit is made up of power supply, ultrasound wave modulation-demodulation circuit, central processing unit, signal output apparatus, sound light alarming circuit, display, remote-control receiving circuit, data storage circuitry; The ultrasound wave sensing head is connected with central processing unit data input port by ultrasonic modulator, infrared remote control receiver is connected with central processing unit data input port, and position LED nixie display, output circuit, acoustic-optic alarm are connected with the I/O of house dog and storer and central processing unit 3.
The utility model provides a kind of air velocity transducer, and it is little, highly sensitive to have a volume, and stability is high, characteristic of simple structure.
Description of drawings
Fig. 1 is the utility model electricity theory diagram;
Fig. 2 is the utility model circuit diagram.
Embodiment
Below in conjunction with drawings and Examples to the further detail explanation of the utility model.
As shown in Figure 1, the air velocity transducer circuit is made up of power supply, ultrasound wave modulation-demodulation circuit, central processing unit, signal output apparatus, sound light alarming circuit, display, remote-control receiving circuit, data storage circuitry; The ultrasound wave sensing head is connected with central processing unit data input port by ultrasonic modulator, infrared remote control receiver is connected with central processing unit data input port, and position LED nixie display, output circuit, acoustic-optic alarm are connected with the I/O of house dog and storer and central processing unit 3.Power supply is the switching regulator stabilized voltage supply.
As shown in Figure 2, the external intrinsic safety electric source of power circuit voltage stabilizer is given each circuit supply 5V after voltage stabilizing, and D102 is the anti-phase integrated package 7660 of power supply, and general+5V voltage inversion output-5V voltage uses for precision operational-amplifier D302.Central processing unit adopts the 89S52 single-chip microcomputer, and it finishes the functions such as collection, computing, processing, control, output of data.Signal output apparatus is by integrated chip D
302A, by the 24 foot control systems output frequency signal corresponding of single-chip microcomputer, the current signal that the output of 25 foot control systems is corresponding with wind speed with wind speed.Sound light alarming circuit is made up of 4 light emitting diodes and hummer, when the air speed value that detects is lower than the setting alarming value, and single-chip microcomputer P
2.3, P
2.4Mouth is through D
4Reverser drives realizes that acousto-optic replaces warning function.Display circuit is made up of 3 LED charactrons, and this circuit is that dynamic scan shows by single-chip microcomputer D
101P
0The segment encode footpath current-limiting resistance R of mouth output
101∽ R
108Be sent to each section demonstration numerical value of charactron.Remote-control receiving circuit is by infrared receiving terminal FW, resistance R
109, R
110Form, be responsible for receiving the command signal of sending by telepilot, be connected with the P35 mouth of single-chip microcomputer.Data storage circuitry adopts integrated chip D
104, be responsible for the various parameter values of storage by telepilot setting and adjustment.
Claims (3)
1, a kind of air velocity transducer comprises housing and is installed in the interior air velocity transducer circuit of housing, telepilot and ultrasonic probe; It is characterized in that the air velocity transducer circuit is made up of power supply, ultrasound wave modulation-demodulation circuit, central processing unit, signal output apparatus, sound light alarming circuit, display, remote-control receiving circuit, data storage circuitry; The ultrasound wave sensing head is connected with central processing unit data input port by ultrasonic modulator, infrared remote control receiver is connected with central processing unit data input port, and 3 LED nixie displaies, output circuit, acoustic-optic alarm and house dogs and storer are connected with central processing unit I/O.
2, air velocity transducer according to claim 1 is characterized in that central processing unit (3) adopts the 89S52 single-chip microcomputer.
3, air velocity transducer according to claim 1 is characterized in that power supply (1) is the switching regulator stabilized voltage supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820039479XU CN201285403Y (en) | 2008-08-23 | 2008-08-23 | Wind speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820039479XU CN201285403Y (en) | 2008-08-23 | 2008-08-23 | Wind speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201285403Y true CN201285403Y (en) | 2009-08-05 |
Family
ID=40950389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820039479XU Expired - Fee Related CN201285403Y (en) | 2008-08-23 | 2008-08-23 | Wind speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201285403Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720540A (en) * | 2012-07-02 | 2012-10-10 | 天地科技股份有限公司 | Roof disaster monitoring system |
| CN103148893A (en) * | 2013-02-04 | 2013-06-12 | 抚顺中煤科工安全仪器有限公司 | Multiparameter sensor for coal mine |
| CN103499618A (en) * | 2013-04-15 | 2014-01-08 | 贵州省教育厅 | Multiparameter gas determination device of mine-used act of rescue system |
| WO2017099569A1 (en) * | 2015-12-11 | 2017-06-15 | Castro Baldenebro Brayan Gamaniel | Automated device for regulating air flows and brightness of lights in the home |
| CN107942092A (en) * | 2017-12-01 | 2018-04-20 | 山东科技大学 | Low wind speed measuring device and method in mine laneway large span |
-
2008
- 2008-08-23 CN CNU200820039479XU patent/CN201285403Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720540A (en) * | 2012-07-02 | 2012-10-10 | 天地科技股份有限公司 | Roof disaster monitoring system |
| CN102720540B (en) * | 2012-07-02 | 2015-02-18 | 天地科技股份有限公司 | Roof disaster monitoring system |
| CN103148893A (en) * | 2013-02-04 | 2013-06-12 | 抚顺中煤科工安全仪器有限公司 | Multiparameter sensor for coal mine |
| CN103499618A (en) * | 2013-04-15 | 2014-01-08 | 贵州省教育厅 | Multiparameter gas determination device of mine-used act of rescue system |
| WO2017099569A1 (en) * | 2015-12-11 | 2017-06-15 | Castro Baldenebro Brayan Gamaniel | Automated device for regulating air flows and brightness of lights in the home |
| CN107942092A (en) * | 2017-12-01 | 2018-04-20 | 山东科技大学 | Low wind speed measuring device and method in mine laneway large span |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20160823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |