CN202035142U - Mine-used ultrasound coal piling sensor circuit based on wireless network - Google Patents

Mine-used ultrasound coal piling sensor circuit based on wireless network Download PDF

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Publication number
CN202035142U
CN202035142U CN2010206754353U CN201020675435U CN202035142U CN 202035142 U CN202035142 U CN 202035142U CN 2010206754353 U CN2010206754353 U CN 2010206754353U CN 201020675435 U CN201020675435 U CN 201020675435U CN 202035142 U CN202035142 U CN 202035142U
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China
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chip
pin
linear voltage
voltage stabilization
wire
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CN2010206754353U
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刘正怀
陈家龙
杨同学
杨全跃
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HUAINAN QIDI ELECTRONIC CO Ltd
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HUAINAN QIDI ELECTRONIC CO Ltd
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Abstract

The utility model discloses a mine-used ultrasound coal piling sensor circuit based on a wireless network. The mine-used ultrasound coal piling sensor circuit includes a central control module, a power supply conversion module, an ultrasound receiving and transmitting module, a communication and keyboard module, and a display module. The circuit establishes the basis of the digital mine by adopting the advantages of the wireless network, namely the low energy consumption, the low error code rate, the high security, the high anti-interference performance, and the like. The wireless network can effectively reduce the number of a mine-used communication cable, and can make the connection simple and the maintenance convenient. The mine-used ultrasound coal piling sensor circuit possessing the wireless network can be widely applied into the mine, and is an indispensable sensor in the realization of the digital mine.

Description

Mining ultrasonic coal piling sensor circuit based on wireless network
Technical field
The utility model relates to electronic circuit field, is specially a kind of mining ultrasonic coal piling sensor circuit based on wireless network.
Background technology
Common mining coal piling sensor function and on-line interface are more single.When carrying out system in combination and inconvenience with safety monitoring system, the interface of common coal piling does not have radio network functions and CAN communication interface, must use cable to connect, the process that allows construction and move is many will operate with a large amount of cables, brings great inconvenience to construction.
The utility model content
The purpose of this utility model provides a kind of mining ultrasonic coal piling sensor circuit based on wireless network., with the complex circuit that the mining coal piling transducer that solves prior art must use the cable communication to cause, the problem that construction is inconvenient.
In order to achieve the above object, the technical scheme that the utility model adopted is:
Mining ultrasonic coal piling sensor circuit based on wireless network is characterized in that: comprise that the central control module, power transfer module, the ultrasonic wave that are electrically connected to each other receive and transmitter module communication and Keysheet module, display module;
Described power transfer module includes switching power source chip JP1, and the different linear voltage stabilization chip 2U3 of output voltage after two conversions, 3U1, the input of described switching power source chip JP1 is connected to input LC filter circuit, described switching power source chip JP1 introduces external voltage by the protection diode D1 that inserts input LC filter circuit, the output of described switching power source chip JP1 is connected to output LC filter circuit, described output LC filter circuit has the multichannel output lead, wherein a part of output lead is connected to described ultrasonic reception and transmitter module respectively, communication and Keysheet module, other two output leads insert described linear voltage stabilization chip 2U3 respectively, 3U1, described linear voltage stabilization chip 2U3, the wire of output terminal of 3U1 inserts described central control module respectively, communication and Keysheet module and display module are with power supply;
Described central control module comprises that model is the cpu chip 4U3A of LPC2119, the reset circuit that the chip U3 that resets constitutes, storage E 2The data storage circuitry that PROM chip U8 constitutes, the 61st of described CPU chip 4U3A, be connected to the clock circuit that crystal oscillator Y1 constitutes between 62 pins, the 28th of cpu chip 4U3A, 30~32,35,37,38 pins respectively one by one correspondence be connected to resistance 4R2~4R8, be connected with a connector JK1 by resistance 4R2~4R8, the 49th of described cpu chip 4U3A, 63,17 pins are connected with the wire of output terminal of described linear voltage stabilization chip 2U3 respectively, the 51st of cpu chip 4U3A, 43,23,7 pins are connected with the wire of output terminal of described linear voltage stabilization chip 3U1 respectively, the 57th pin of described cpu chip 4U3A is that reset pin is electrically connected with the 7th pin of the chip U3 that resets, the 56th pin of cpu chip 4U3A is electrically connected with the 6th pin of the chip U3 that resets, the 2nd pin of the described chip U3 that resets is connected described storage E with the wire of output terminal of described linear voltage stabilization chip 3U1 2The the 5th, the 6th pin of PROM chip U8 respectively with cpu chip 4U3A as I 2The the 26th, the 22nd pin of C bus pin connects one to one storage E 2PROM chip U8 the 8th pin be connected with the wire of output terminal of described linear voltage stabilization chip 3U1;
Described ultrasonic wave receives and transmitter module comprises decoding chip U2, ultrasonic wave receiving transducer T1, ultrasonic wave transmitting probe T2, the input of described ultrasonic wave transmitting probe T2 is connected to two reverse driven parallel circuitss of series connection mutually, one of them reverse driven parallel circuits comprises reverse driven U1B parallel with one another, U1D, U1F, another reverse driven parallel circuits comprises reverse driven U1A parallel with one another, U1C, U1E, the reverse driven parallel circuits of two series connection is by resistance R 7, pull-up resistor R8 is connected with the wire of output terminal of described linear voltage stabilization chip 3U1, and be connected with the 34th pin of described cpu chip 4U3A by resistance R 7, another input of ultrasonic wave transmitting probe T2 is connected with the input of described ultrasonic wave receiving transducer T1, another input of described ultrasonic wave receiving transducer T1 is connected to two amplification driving triode VT1 that common emitter connects, VT2, described amplification drives triode VT1, the collector electrode of VT2 is corresponding to separately respectively resistance R T1, RT2 is connected with the input lead of described switching power source chip JP1, the collector electrode that described amplification drives triode VT1 also is connected with the base stage of described amplification driving triode VT2, the collector electrode that described amplification drives triode VT2 also is connected with the 3rd pin of described decoding chip U2 by electric capacity, the 8th pin of described decoding chip U2 is connected to the input of an optical coupler DA1, described optical coupler DA1 power end is connected with the wire of output terminal of described linear voltage stabilization chip 3U1, and optical coupler DA1 output is connected with the 46th pin of described cpu chip 4U3A;
Described communication and Keysheet module comprise CAN communication receiving/transmission chip 8U1, wireless network chip IC 4 and keyboard PB1, the 3rd pin of described CAN communication receiving/transmission chip 8U1 is electrically connected with the output lead of described switching power source chip JP1 to introduce voltage, the 1st of CAN communication receiving/transmission chip 8U1, the 4th pin respectively with the 5th of described cpu chip 4U3A, the 3rd pin connects one to one, the CS of described wireless network chip IC 4, CE, DATA, the DR pin respectively with the 56th of described cpu chip 4U3A, 55,53,52 pins connect one to one, described keyboard PB1 is parallel with capacitor P C7, keyboard PB1 is electrically connected with the wire of output terminal of described linear voltage stabilization chip 3U1 to introduce voltage by resistance PR1, and keyboard PB1 also is electrically connected with the 14th pin of described cpu chip 4U3A by lead;
Described display module comprises charactron S1, S2, S3, drive triode 4V1,4V2,4V3, described charactron S1, S2, the corresponding one by one respectively and driving triode 4V1 of drive end the 6th pin of S3,4V2, the collector electrode of 4V3 connects, charactron S1, S2, the 1st of S3~the 5th pin, the the 8th~the 10th pin is connected with described connector JK1 respectively separately, described driving triode 4V1,4V2, the base stage of 4V3 is corresponding to one by one respectively resistance 4R10,4R11,4R12 is connected to described connector JK1, and the emitter of described driving triode is electrically connected with the wire of output terminal of described linear voltage stabilization chip 3U1.
It is central authorities' control cores that the utility model adopts 32 low power consumption CPUs of novel high-performance ARM7 kernel series, makes device have characteristics such as peripheral circuit is simple, reliability height.Adopt the high microwave of integrated level to accept and be emitted as the special chip NRF24L01 of one aspect wireless data transmission, transmission rate is fast, hardware automatic decoding, information accuracy rate height, volume are little.Adopting CAN communication interface function to bring great convenience aspect the parameter transmission to transmission.Add wireless data sending (Zigbee) on this basis again, abundant interface is provided for like this coal piling transducer, broken away from the drawback that a large amount of cables bring to construction in making up with the safety monitoring system that satisfies the distinct interface function.The mining ultrasonic coal piling transducer of employing CAN bus and wireless network and the exchanges data of security monitoring substation are more simple, bring great convenience and lay a good foundation for the combination of safety monitoring system, can more be easy to upload to monitoring station to current coal piling real-time concentration.All transfer of data wiring are simple, be convenient to safeguard.CAN long transmission distance, strong anti-interference performance, transmission speed are fast.
The beneficial effects of the utility model are:
1, adopt the central processing unit of 32 ARM7 kernel series, the performance height, processing speed is fast, and peripheral circuit is succinctly reliable.
2, adopt digital demonstration, human-computer dialogue is good, and rich display information is simple to operate.
3, use wireless network to need not to lay in addition separately communication line, easy construction.
4, big, the distance of radio network information transmission quantity, communication are more reliable.
5, the central software of monitoring can obtain the coal position height of optional position, down-hole from Monitor Sub-Station of Less.
6, wireless aspect adopts integrated level height, special chip that volume is little, hardware automatic decoding and verification.
7, the two-way intrinsic safety electric source has guaranteed colliery product safety requirement.
Description of drawings
Fig. 1 is the central control module schematic diagram.
Fig. 2 receives and the transmitter module schematic diagram for ultrasonic wave.
Fig. 3 is the power transfer module schematic diagram.
Fig. 4 is the display module schematic diagram.
Fig. 5 is communication and Keysheet module schematic diagram.
Embodiment
As Fig. 1~shown in Figure 5.Based on the mining ultrasonic coal piling sensor circuit of wireless network: comprise that the central control module, power transfer module, the ultrasonic wave that are electrically connected to each other receive and transmitter module communication and Keysheet module, display module;
Power transfer module includes switching power source chip JP1, and the different linear voltage stabilization chip 2U3 of output voltage after two conversions, 3U1, the input of switching power source chip JP1 is connected to input LC filter circuit, switching power source chip JP1 introduces external voltage by the protection diode D1 that inserts input LC filter circuit, the output of switching power source chip JP1 is connected to output LC filter circuit, the LC filter circuit of exporting has the multichannel output lead, wherein a part of output lead is connected to described ultrasonic reception and transmitter module respectively, communication and Keysheet module, other two output leads insert linear voltage stabilization chip 2U3 respectively, 3U1, linear voltage stabilization chip 2U3, the wire of output terminal of 3U1 inserts central control module respectively, communication and Keysheet module and display module are with power supply;
Central control module comprises that model is the cpu chip 4U3A of LPC2119, the reset circuit that the chip U3 that resets constitutes, storage E 2The data storage circuitry that PROM chip U8 constitutes, the 61st of cpu chip 4U3A, be connected to the clock circuit that crystal oscillator Y1 constitutes between 62 pins, the 28th of cpu chip 4U3A, 30~32,35,37,38 pins respectively one by one correspondence be connected to resistance 4R2~4R8, be connected with a connector JK1 by resistance 4R2~4R8, the 49th of cpu chip 4U3A, 63,17 pins are connected with the wire of output terminal of linear voltage stabilization chip 2U3 respectively, the 51st of cpu chip 4U3A, 43,23,7 pins are connected with the wire of output terminal of linear voltage stabilization chip 3U1 respectively, the 57th pin of cpu chip 4U3A is that reset pin is electrically connected with the 7th pin of the chip U3 that resets, the 56th pin of cpu chip 4U3A is electrically connected with the 6th pin of the chip U3 that resets, the 2nd pin of chip U3 of resetting is connected storage E with the wire of output terminal of linear voltage stabilization chip 3U1 2The the 5th, the 6th pin of PROM chip U8 respectively with cpu chip 4U3A as I 2The the 26th, the 22nd pin of C bus pin connects one to one storage E 2PROM chip U8 the 8th pin be connected with the wire of output terminal of linear voltage stabilization chip 3U1;
Ultrasonic wave receives and transmitter module comprises decoding chip U2, ultrasonic wave receiving transducer T1, ultrasonic wave transmitting probe T2, the input of ultrasonic wave transmitting probe T2 is connected to two reverse driven parallel circuitss of series connection mutually, one of them reverse driven parallel circuits comprises reverse driven U1B parallel with one another, U1D, U1F, another reverse driven parallel circuits comprises reverse driven U1A parallel with one another, U1C, U1E, the reverse driven parallel circuits of two series connection is by resistance R 7, pull-up resistor R8 is connected with the wire of output terminal of linear voltage stabilization chip 3U1, and be connected with the 34th pin of cpu chip 4U3A by resistance R 7, another input of ultrasonic wave transmitting probe T2 is connected with the input of ultrasonic wave receiving transducer T1, another input of ultrasonic wave receiving transducer T1 is connected to two amplification driving triode VT1 that common emitter connects, VT2, amplify and drive triode VT1, the collector electrode of VT2 is corresponding to separately respectively resistance R T1, RT2 is connected with the input lead of switching power source chip JP1, amplifying the collector electrode that drives triode VT1 also is connected with the base stage of amplifying driving triode VT2, amplifying the collector electrode that drives triode VT2 also is connected with the 3rd pin of decoding chip U2 by electric capacity, the 8th pin of decoding chip U2 is connected to the input of an optical coupler DA1, optical coupler DA1 power end is connected with the wire of output terminal of linear voltage stabilization chip 3U1, and optical coupler DA1 output is connected with the 46th pin of cpu chip 4U3A;
Communication and Keysheet module comprise CAN communication receiving/transmission chip 8U1, wireless network chip IC 4 and keyboard PB1, the 3rd pin of CAN communication receiving/transmission chip 8U1 is electrically connected with the output lead of switching power source chip JP1 to introduce voltage, the 1st of CAN communication receiving/transmission chip 8U1, the 4th pin respectively with the 5th of cpu chip 4U3A, the 3rd pin connects one to one, the CS of wireless network chip IC 4, CE, DATA, the DR pin respectively with the 56th of cpu chip 4U3A, 55,53,52 pins connect one to one, keyboard PB1 is parallel with capacitor P C7, keyboard PB1 is electrically connected with the wire of output terminal of linear voltage stabilization chip 3U1 to introduce voltage by resistance PR1, and keyboard PB1 also is electrically connected with the 14th pin of cpu chip 4U3A by lead;
Display module comprises charactron S1, S2, S3, drive triode 4V1,4V2,4V3, drive end the 6th pin of charactron S1, S2, S3 is corresponding one by one respectively to be connected with the collector electrode that drives triode 4V1,4V2,4V3, the 1st of charactron S1, S2, S3~the 5th pin, the 8th~the 10th pin is connected with connector JK1 respectively separately, the base stage of driving triode 4V1,4V2,4V3 is corresponding one by one respectively to be connected to connector JK1 by resistance 4R10,4R11,4R12, and the emitter that drives triode is electrically connected with the wire of output terminal of linear voltage stabilization chip 3U1.

Claims (1)

1. based on the mining ultrasonic coal piling sensor circuit of wireless network, it is characterized in that: comprise that the central control module, power transfer module, the ultrasonic wave that are electrically connected to each other receive and transmitter module communication and Keysheet module, display module;
Described power transfer module includes switching power source chip JP1, and the different linear voltage stabilization chip 2U3 of output voltage after two conversions, 3U1, the input of described switching power source chip JP1 is connected to input LC filter circuit, described switching power source chip JP1 introduces external voltage by the protection diode D1 that inserts input LC filter circuit, the output of described switching power source chip JP1 is connected to output LC filter circuit, described output LC filter circuit has the multichannel output lead, wherein a part of output lead is connected to described ultrasonic wave respectively and receives and transmitter module, communication and Keysheet module, other two output leads insert described linear voltage stabilization chip 2U3 respectively, 3U1, described linear voltage stabilization chip 2U3, the wire of output terminal of 3U1 inserts described central control module respectively, communication and Keysheet module and display module are with power supply;
Described central control module comprises that model is the cpu chip 4U3A of LPC2119, the reset circuit that the chip U3 that resets constitutes, storage E 2The data storage circuitry that PROM chip U8 constitutes, the 61st of described cpu chip 4U3A, be connected to the clock circuit that crystal oscillator Y1 constitutes between 62 pins, the 28th of cpu chip 4U3A, 30~32,35,37,38 pins respectively one by one correspondence be connected to resistance 4R2~4R8, be connected with a connector JK1 by resistance 4R2~4R8, the 49th of described cpu chip 4U3A, 63,17 pins are connected with the wire of output terminal of described linear voltage stabilization chip 2U3 respectively, the 51st of cpu chip 4U3A, 43,23,7 pins are connected with the wire of output terminal of described linear voltage stabilization chip 3U1 respectively, the 57th pin of described cpu chip 4U3A is that reset pin is electrically connected with the 7th pin of the chip U3 that resets, the 56th pin of cpu chip 4U3A is electrically connected with the 6th pin of the chip U3 that resets, the 2nd pin of the described chip U3 that resets is connected described storage E with the wire of output terminal of described linear voltage stabilization chip 3U1 2The the 5th, the 6th pin of PROM chip U8 respectively with cpu chip 4U3A as I 2The the 26th, the 22nd pin of C bus pin connects one to one storage E 2PROM chip U8 the 8th pin be connected with the wire of output terminal of described linear voltage stabilization chip 3U1;
Described ultrasonic wave receives and transmitter module comprises decoding chip U2, ultrasonic wave receiving transducer T1, ultrasonic wave transmitting probe T2, the input of described ultrasonic wave transmitting probe T2 is connected to two reverse driven parallel circuitss of series connection mutually, one of them reverse driven parallel circuits comprises reverse driven U1B parallel with one another, U1D, U1F, another reverse driven parallel circuits comprises reverse driven U1A parallel with one another, U1C, U1E, the reverse driven parallel circuits of two series connection is by resistance R 7, pull-up resistor R8 is connected with the wire of output terminal of described linear voltage stabilization chip 3U1, and be connected with the 34th pin of described cpu chip 4U3A by resistance R 7, another input of ultrasonic wave transmitting probe T2 is connected with the input of described ultrasonic wave receiving transducer T1, another input of described ultrasonic wave receiving transducer T1 is connected to two amplification driving triode VT1 that common emitter connects, VT2, described amplification drives triode VT1, the collector electrode of VT2 is corresponding to separately respectively resistance R T1, RT2 is connected with the input lead of described switching power source chip JP1, the collector electrode that described amplification drives triode VT1 also is connected with the base stage of described amplification driving triode VT2, the collector electrode that described amplification drives triode VT2 also is connected with the 3rd pin of described decoding chip U2 by electric capacity, the 8th pin of described decoding chip U2 is connected to the input of an optical coupler DA1, described optical coupler DA1 power end is connected with the wire of output terminal of described linear voltage stabilization chip 3U1, and optical coupler DA1 output is connected with the 46th pin of described cpu chip 4U3A;
Described communication and Keysheet module comprise CAN communication receiving/transmission chip 8U1, wireless network chip IC 4 and keyboard PB1, the 3rd pin of described CAN communication receiving/transmission chip 8U1 is electrically connected with the output lead of described switching power source chip JP1 to introduce voltage, the 1st of CAN communication receiving/transmission chip 8U1, the 4th pin respectively with the 5th of described cpu chip 4U3A, the 3rd pin connects one to one, the CS of described wireless network chip IC 4, CE, DATA, the DR pin respectively with the 56th of described cpu chip 4U3A, 55,53,52 pins connect one to one, described keyboard PB1 is parallel with capacitor P C7, keyboard PB1 is electrically connected with the wire of output terminal of described linear voltage stabilization chip 3U1 to introduce voltage by resistance PR1, and keyboard PB1 also is electrically connected with the 14th pin of described cpu chip 4U3A by lead;
Described display module comprises charactron S1, S2, S3, drive triode 4V1,4V2,4V3, described charactron S1, S2, the corresponding one by one respectively and driving triode 4V1 of drive end the 6th pin of S3,4V2, the collector electrode of 4V3 connects, charactron S1, S2, the 1st of S3~the 5th pin, the the 8th~the 10th pin is connected with described connector JK1 respectively separately, described driving triode 4V1,4V2, the base stage of 4V3 is corresponding to one by one respectively resistance 4R10,4R11,4R12 is connected to described connector JK1, and the emitter of described driving triode is electrically connected with the wire of output terminal of described linear voltage stabilization chip 3U1.
CN2010206754353U 2010-12-22 2010-12-22 Mine-used ultrasound coal piling sensor circuit based on wireless network Expired - Fee Related CN202035142U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102398837A (en) * 2011-12-05 2012-04-04 枣庄矿业(集团)有限责任公司蒋庄煤矿 Main shaft hoist shaft bottom coal pile monitoring system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102398837A (en) * 2011-12-05 2012-04-04 枣庄矿业(集团)有限责任公司蒋庄煤矿 Main shaft hoist shaft bottom coal pile monitoring system
CN102398837B (en) * 2011-12-05 2013-08-28 枣庄矿业(集团)有限责任公司蒋庄煤矿 Main shaft hoist shaft bottom coal pile monitoring system

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Granted publication date: 20111109

Termination date: 20151222

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