CN212341241U - Wind velocity indicator for coal mine - Google Patents
Wind velocity indicator for coal mine Download PDFInfo
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- CN212341241U CN212341241U CN202021222979.4U CN202021222979U CN212341241U CN 212341241 U CN212341241 U CN 212341241U CN 202021222979 U CN202021222979 U CN 202021222979U CN 212341241 U CN212341241 U CN 212341241U
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- 239000003245 coal Substances 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 45
- 238000004891 communication Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005065 mining Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to an anemograph for coal mine provides an utilize the time difference of ultrasonic wave propagation in the air to measure the wind speed, and measuring range is the average wind speed on the transmission line, measures more accurately, and small, and installation simple operation has the anemograph of explosion-proof waterproof function. The device comprises a display host, two ultrasonic transducers and a temperature, humidity and air pressure sensor, wherein the two ultrasonic transducers are respectively connected with the display host through transmission cables; the display host consists of an anemoscope transmitting and receiving switching circuit, a transmitting voltage adjusting circuit, a DSP signal processing circuit, an LCD display, a key circuit, a data processor circuit, a received signal processing power circuit, a received signal processing circuit, a communication circuit and a power circuit, wherein the communication circuit exchanges data with the outside through a communication line and is in signal connection with the data processor circuit.
Description
Technical Field
The utility model relates to a coal mine equipment field specifically is an utilize time difference of ultrasonic wave propagation in the air to measure the anemoscope of wind speed.
Background
The traditional mining wind speed measuring instrument comprises a mining wind sensor, a mining bidirectional wind speed sensor, a mining wind direction sensor, a mining shrinkage pipe wind speed sensor, a mining bidirectional wind speed sensor and the like, and the principles are respectively ultrasonic vortex, ultrasonic, mechanical, pressure and pressure pitot tubes, the starting wind speed of the traditional measuring instrument is 0.4m/s, the precision is more than or equal to 0.2m/s, and the resolution is more than or equal to 0.1m/s, because each point of a fluid on a section in flowing of a roadway is not uniform, the traditional measuring instrument measures the wind speed of a certain point on the section, and the measurement is not accurate enough; and the traditional measuring instrument is partially placed on the top when being installed so as not to influence people, vehicles and the like, the measured wind speed is difficult to represent, the obtained wind speed is not accurate enough, and the wind volume is difficult to calculate through the wind speed.
SUMMERY OF THE UTILITY MODEL
The technique that exists is not enough to the aforesaid, the utility model aims at providing an anemograph for coal mine, its time difference that utilizes the ultrasonic wave to propagate in the air measures the wind speed, and measuring range is the average wind speed on the transmission line, measures more accurately, utilizes humiture baroceptor can convert the operating mode amount of wind into the standard amount of wind, and is small, and installation simple operation has the anemograph of explosion-proof waterproof function.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the anemoscope for the coal mine is characterized by comprising a display host, two ultrasonic transducers and a temperature, humidity and air pressure sensor, wherein the two ultrasonic transducers are respectively connected with the display host through transmission cables; the display host consists of an anemometer transmitting and receiving switching circuit, a transmitting voltage adjusting circuit, a DSP signal processing circuit, an LCD display, a key circuit, a data processor circuit, a received signal processing power circuit, a received signal processing circuit, a communication circuit and a power circuit, wherein the communication circuit exchanges data externally through a communication line and is in signal connection with the data processor circuit, the power circuit is externally connected through a power line and is electrically connected with the data processor circuit and the received signal processing power circuit, the received signal processing power circuit is in signal connection with the data processor circuit through a signal line, the LCD display and the key circuit are in signal connection with the data processor circuit through a signal line, the DSP signal processing circuit is in signal connection with the data processor circuit through a signal line, and the received signal processing circuit is in signal connection with the DSP signal processing circuit through a signal line, The system comprises a receiving signal processing power circuit, a transmitting voltage adjusting circuit, an anemoscope transmitting and receiving switching circuit, an ultrasonic transducer A and an ultrasonic transducer B, a data processor circuit and a data processing circuit, wherein the receiving signal processing power circuit is in signal connection with the transmitting voltage adjusting circuit through a signal wire;
preferably, the DSP signal processing circuit adopts a TMS320F28335 signal processor;
preferably, the transmission cable adopts a polyethylene insulating braided shielding polyvinyl chloride sheathed communication cable MHYVP 1X 4(7/0.37mm) for coal mines.
Preferably, the ultrasonic transducer and the display host are separated.
The beneficial effects of the utility model reside in that: 1. the instrument has the advantages that the measurement range is the average wind speed on a transmission line, the instrument can be installed on two sides of a roadway, the start-up wind speed can reach less than 0.1m/s, the wind speed resolution can reach 0.01m/s, the precision can reach 0.1m/s, the measurement precision is higher compared with the existing traditional measurement instrument, and the wind volume under the standard working condition can be obtained through correction of air pressure, temperature and humidity.
2. Ultrasonic transducer and host computer adopt the ultrasonic signal of lower frequency, and this anemograph adopts 40KHz, and the ultrasonic signal remote transmission of being convenient for accomplishes essential safety product easily, can use in the explosive occasion.
3. TMS320F28335 signal processor (DSP) has been used, and its inside has integrateed a high-speed ADC, has satisfied the needs of sampling, the cost is reduced.
4. The instrument adopts the amplification of the received signal which is not available in other products and the automatic adjustment of the amplitude of the transmitted signal of the transmitting circuit.
5. The wind speed and the wind volume are measured at a large distance, and the wind speed and the wind volume can be used for monitoring the wind flow speed in a roadway with a large width, and the same product is not available before.
6. The ultrasonic transducer and the display host are separated, so that the ultrasonic transducer is convenient to install on site.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an anemometer for coal mine according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an anemometer for coal mine according to an embodiment of the present invention;
FIG. 3 is a schematic view of a conventional coal mine surveying instrument when installed;
fig. 4 is a schematic view of a coal mine anemometer according to an embodiment of the present invention during installation;
description of reference numerals:
the device comprises a display host 1, a transmission cable 2, an ultrasonic transducer 3, a temperature, humidity and air pressure sensor 4 and a traditional measuring instrument 5 for coal mines.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the wind velocity indicator for the coal mine comprises a display host 1, two ultrasonic transducers 3 and a temperature, humidity and air pressure sensor 4, wherein the two ultrasonic transducers 3 are respectively connected with the display host 1 through transmission cables 2, and the temperature, humidity and air pressure sensor 4 is connected with the display host 1 through the transmission cables 2; the display host 1 is composed of an anemoscope transmitting and receiving switching circuit, a transmitting voltage adjusting circuit, a DSP signal processing circuit, an LCD display and key circuit, a data processor circuit, a received signal processing power circuit, a received signal processing circuit, a communication circuit and a power circuit, wherein the communication circuit exchanges data with the outside through a communication line and is in signal connection with the data processor circuit, the power circuit is connected with the outside through a power line and is electrically connected with the data processor circuit and the received signal processing power circuit, the received signal processing power circuit is in signal connection with the data processor circuit through a signal line, the LCD display and the key circuit are in signal connection with the data processor circuit through a signal line, the DSP signal processing circuit is in signal connection with the data processor circuit through a signal line, and the received signal processing circuit is in signal connection with the DSP signal processing circuit through a signal line, The system comprises a receiving signal processing power circuit, a transmitting voltage adjusting circuit, an anemoscope transmitting and receiving switching circuit, an ultrasonic transducer 3A and an ultrasonic transducer 3B, a transmitting and receiving switching circuit, a data processor circuit and a temperature and humidity air pressure sensor 4, wherein the receiving signal processing power circuit is in signal connection, the transmitting voltage adjusting circuit is in signal connection with the DSP signal processing circuit through a signal line, the anemoscope transmitting and receiving switching circuit is in signal connection with the transmitting voltage adjusting circuit and the receiving signal processing circuit through a signal line, the ultrasonic transducer 3A and the ultrasonic transducer 3B are in signal connection with the anemoscope transmitting and;
further, the DSP signal processing circuit adopts a TMS320F28335 signal processor;
further, the transmission cable 2 adopts a polyethylene insulating braided shielding polyvinyl chloride sheath communication cable MHYVP1 x 4(7/0.37mm) for coal mines.
Further, the ultrasonic transducer 3 and the display host 1 are separated.
When in use, the utility model is used,the two ultrasonic transducers 3A, B are respectively arranged at two sides of the roadway and aligned, the ultrasonic transducer 3A and the ultrasonic transducer 3B are mutually used for receiving and transmitting, the ultrasonic transducer 3A sends out ultrasonic waves, and the ultrasonic waves penetrate through the cross section of the whole roadway and are received by the ultrasonic transducer 3B; the ultrasonic transducer 3 sends out ultrasonic waves, and the ultrasonic waves penetrate through the cross section of the whole roadway and are received by the ultrasonic transducer 3A; the ultrasonic transducer 3A, B sends a feedback signal to the anemoscope transmitting and receiving switching circuit after receiving the ultrasonic wave, the anemoscope transmitting and receiving switching circuit transmits the ultrasonic wave signal to the receiving signal processing circuit, the receiving signal processing circuit amplifies, selects frequency, limits amplitude, shapes the received ultrasonic wave signal, and then sends the ultrasonic wave signal to the DSP signal processor circuit, and the DSP signal processor circuit controls the amplification factor of the receiving signal processing circuit and the transmitting voltage of the transmitting voltage adjusting circuit according to the amplitude of the signal, so as to achieve the purpose of signal adjustment. Simultaneously, the DSP signal processor circuit carries out software processing such as digital filtering on the received analog signals and sends data results to the data processor circuit, and the data processor circuit carries out data processing according to a preset functional relation
Calculating to obtain the current wind speed, wherein L is an ultrasonic path, namely a measurement distance, alpha is an included angle between a sound wave direction and a wind direction, V is the wind speed, tab is the time from the ultrasonic wave sent by the ultrasonic transducer A to the ultrasonic wave received by the ultrasonic transducer B, tba is the time from the ultrasonic wave sent by the ultrasonic transducer B to the ultrasonic wave received by the ultrasonic transducer A, the data processor transmits the specific processed wind speed to the LCD display, converts the specific processed wind speed into standard working condition wind volume according to roadway parameters, air pressure, temperature and humidity, and can input related parameters through a key circuit and a communication circuit, and the communication circuit transmits the standard working condition wind volume to the ground directly or through other communication substations in an RS485 signal mode.
After entering the equipment from the power circuit, the power is processed and supplied to the data processor circuit and the received signal processing power circuit, and the power is respectively used for supplying power to the digital circuit and the analog circuit.
The utility model discloses an environment of use does: a) the environmental temperature is 0-40 ℃; b) the relative humidity is less than 98 percent; c) The atmospheric pressure is 80-110 kPa; d) there is a risk of gas or coal dust explosion, but no significant vibration and shock, no corrosive gas to destroy insulation.
The utility model provides a design utilizes the time difference of ultrasonic wave propagation in the air to measure the wind speed, and measuring range is the average wind speed on the transmission line, can install in tunnel two group, measures more accurately to utilize humiture baroceptor can convert the operating mode amount of wind into standard amount of wind; the wind speed and the wind volume are measured at a large distance, and the method can be used for monitoring the wind flow speed in a tunnel with a large width; and small, the installation simple operation has explosion-proof waterproof function.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. The anemoscope for the coal mine is characterized by comprising a display host, two ultrasonic transducers and a temperature, humidity and air pressure sensor, wherein the two ultrasonic transducers are respectively connected with the display host through transmission cables; the display host consists of an anemometer transmitting and receiving switching circuit, a transmitting voltage adjusting circuit, a DSP signal processing circuit, an LCD display, a key circuit, a data processor circuit, a received signal processing power circuit, a received signal processing circuit, a communication circuit and a power circuit, wherein the communication circuit exchanges data externally through a communication line and is in signal connection with the data processor circuit, the power circuit is externally connected through a power line and is electrically connected with the data processor circuit and the received signal processing power circuit, the received signal processing power circuit is in signal connection with the data processor circuit through a signal line, the LCD display and the key circuit are in signal connection with the data processor circuit through a signal line, the DSP signal processing circuit is in signal connection with the data processor circuit through a signal line, and the received signal processing circuit is in signal connection with the DSP signal processing circuit through a signal line, The receiving signal processing power circuit is in signal connection, the transmitting voltage adjusting circuit is in signal connection with the DSP signal processing circuit through a signal line, the anemoscope transmitting and receiving switching circuit is in signal connection with the transmitting voltage adjusting circuit and the receiving signal processing circuit through a signal line, the ultrasonic transducer A and the ultrasonic transducer B are in signal connection with the anemoscope transmitting and receiving switching circuit through transmission cables, and the temperature, humidity and air pressure sensor is in signal connection with the data processor circuit through the transmission cables.
2. The coal mine anemometer according to claim 1, wherein the DSP signal processing circuit employs a TMS320F28335 signal processor.
3. The coal mine anemometer according to claim 1, wherein the transmission cable is a polyethylene insulated braided shielding polyvinyl chloride sheathed communication cable MHYVP1 x 4(7/0.37mm) for coal mines.
4. The coal mine anemometer according to claim 1, wherein the ultrasonic transducer and the display host are separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021222979.4U CN212341241U (en) | 2020-06-28 | 2020-06-28 | Wind velocity indicator for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021222979.4U CN212341241U (en) | 2020-06-28 | 2020-06-28 | Wind velocity indicator for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212341241U true CN212341241U (en) | 2021-01-12 |
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ID=74078248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021222979.4U Active CN212341241U (en) | 2020-06-28 | 2020-06-28 | Wind velocity indicator for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212341241U (en) |
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2020
- 2020-06-28 CN CN202021222979.4U patent/CN212341241U/en active Active
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| CP02 | Change in the address of a patent holder |
Address after: Room 201, No. 32, Chuanghui Road, New Industrial Park, High-tech Zone, Xi'an City, Shaanxi Province 710119 Patentee after: Xi'an Tianmu Instrument Co.,Ltd. Address before: Room 201, 32 Chuanghui Road, new industrial park, block 17, Wanshou Middle Road, Xincheng District, Xi'an City, Shaanxi Province, 710119 Patentee before: Xi'an Tianmu Instrument Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. C, 9th Floor, Jingshang Production Building, No. 32, Chuanghui Road, New Industrial Park, High-tech Zone, Xi'an City, Shaanxi Province 710119 Patentee after: Xi'an Tianmu Instrument Co.,Ltd. Address before: Room 201, No. 32, Chuanghui Road, New Industrial Park, High-tech Zone, Xi'an City, Shaanxi Province 710119 Patentee before: Xi'an Tianmu Instrument Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240429 Address after: No. 5, 3rd Floor, Door 1, Building 32, Block 17, Wanshou Middle Road, Xincheng District, Xi'an City, Shaanxi Province, 710000 Patentee after: Ren Yi Country or region after: China Patentee after: Jiang Dongru Address before: No. C, 9th Floor, Jingshang Production Building, No. 32, Chuanghui Road, New Industrial Park, High-tech Zone, Xi'an City, Shaanxi Province 710119 Patentee before: Xi'an Tianmu Instrument Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240611 Address after: 710000, Block D, Building 10, Konggang Puhui Zhongjin Science and Technology Innovation Park, Southwest Corner of Tengxiao Fifth Street and Guangde Road, Airport New City, Xixian New District, Xi'an City, Shaanxi Province Patentee after: Xi'an Tianmu Instrument Co.,Ltd. Country or region after: China Address before: No. 5, 3rd Floor, Door 1, Building 32, Block 17, Wanshou Middle Road, Xincheng District, Xi'an City, Shaanxi Province, 710000 Patentee before: Ren Yi Country or region before: China Patentee before: Jiang Dongru |
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| TR01 | Transfer of patent right |