CN103458364A - Coal mine goaf zone spontaneous combustion source positioning system based on WSN - Google Patents
Coal mine goaf zone spontaneous combustion source positioning system based on WSN Download PDFInfo
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- CN103458364A CN103458364A CN201310403163XA CN201310403163A CN103458364A CN 103458364 A CN103458364 A CN 103458364A CN 201310403163X A CN201310403163X A CN 201310403163XA CN 201310403163 A CN201310403163 A CN 201310403163A CN 103458364 A CN103458364 A CN 103458364A
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Abstract
The invention discloses a coal mine goaf zone spontaneous combustion source positioning system based on a WSN. The coal mine goaf zone spontaneous combustion source positioning system based on the WSN comprises an information processing server, a communication network, a communication gateway, information aggregation nodes of smooth grooves in the two sides of a working plane and a wireless temperature measuring node located in a goaf zone. The wireless temperature measuring node collects a temperature signal and transmits the temperature signal to the information aggregation nodes in a wireless mode. The information aggregation nodes transmit the received temperature signal to the communication gateway which transmits the received temperature signal to the communication network. Finally, the communication network transmits the signal to the information processing server. The coal mine goaf zone spontaneous combustion source positioning system is applicable to positioning of a coal mine goaf zone spontaneous combustion zone combustion point. The coal mine goaf zone spontaneous combustion source positioning system has great practical significance in formulating fire preventing and extinguishing measures of the goaf zone and achieving safe and efficient production and sustainable development of a coal mine.
Description
Technical field
The present invention relates to a kind of coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system, relate in particular to a kind of coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system based on WSN.
Background technology
Along with the fast development of wireless communication technology, wireless location technology is also in development at full speed.The effect of positioning service based on wireless sensor network in people's Working Life is increasing, and this has just accelerated the development of wireless sensor network location, and wireless sensor network can be for target localization.One of wireless sensor network main target in the application of mine monitoring is exactly the locale of pointing out that it is monitored.Therefore, when environment, personnel etc. is monitored, can know in time that the position that accident occurs is that it is important.
The detection in spontaneous combustionof coal high temperature burning things which may cause a fire disaster (≤100 ℃) zone is one of great difficult problem in Safety of Coal Mine Production always.Domestic and international many scholars and coal production, R&D institution all attach great importance to this, and the nearly several years have been carried out a large amount of research to relevant problem.But, due to this complex nature of the problem, still be not well solved so far.Its main cause has two: one, and Detection Techniques means and approach are immature, and what the various technological means that adopt mainly adopted is indirect measuring technology, all can't directly determine high temp fire source point zone and internal temperature thereof; The 2nd, the conditions down-hole complexity, measuring use as thermocouple method, distributed optical fiber temperature measurement method to direct temperature brings and has a strong impact on, as the goaf slump often monitoring cable, optical fiber are pounded disconnected, cause monitoring to interrupt, thereby bring a lot of difficulties to fire location under detecting shaft.
The pernicious gas that spontaneous combustionof coal produces is serious harm personnel in the pit's health not only, and easily bring out gas, dust explosion accident, and cause the serious wasting of resources, therefore develop spontaneous combustion in goaf burning things which may cause a fire disaster point positioning system and be Safety of Coal Mine Production in the urgent need to.
Summary of the invention
In view of above-mentioned condition, the invention provides a kind of coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system based on WSN, realize the location to coal mine gob natural region temperature Real-Time Monitoring and spontaneous fire point, for the anti-fire extinguishing of coal mine gob provides accurate information.
Technical scheme of the present invention:
A kind of coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system based on WSN comprises: netscape messaging server Netscape, communication network, communication gate, be positioned at the information aggregation node of working face both sides crossheading and the wireless temperature measurement node that is positioned at goaf; Described wireless temperature measurement node collecting temperature signal, by being wirelessly transmitted to described information aggregation node, described information aggregation node is transferred to communication gate by the temperature signal received, and communication gate is being transferred to communication network, and last communication network transfers signals to netscape messaging server Netscape.
In one embodiment, described information aggregation node comprises: CC2530 single-chip microcomputer, DLL (dynamic link library), wireless receiving and dispatching antenna circuit, 485 interface circuits, ethernet interface circuit, clock circuit, power circuit, sound light alarming circuit and liquid crystal display circuit, wherein said DLL (dynamic link library), wireless receiving and dispatching antenna circuit, 485 interface circuits, ethernet interface circuit, clock circuit, power circuit, sound light alarming circuit and liquid crystal display circuit are connected in described CC2530 single-chip microcomputer.
In one embodiment, the pin 5 of described CC2530 single-chip microcomputer, 6, 7, 20, 35, 36, 37 with the pin 8 of DLL (dynamic link library), 5, 6, 7, 3, 4, the 10 corresponding connections of order respectively, the pin 25 of CC2530 single-chip microcomputer, 26 are connected with wireless transceiver, the pin 14 of CC2530 single-chip microcomputer, 15, 16, the pin 2 of 17 and 485 interface conversion chip MAX485, 3, 4, the 1 corresponding connection of order respectively, the pin 6 of 485 conversion chip MAX485, the pin 1 of 7 and 485 interfaces, the 2 corresponding connections of order respectively, the pin 22 of CC2530 single-chip microcomputer, 23, 32, 33 are connected with clock circuit, the pin 10 of CC2530 single-chip microcomputer, 21, 24, 39 and power circuit, the pin 18 of CC2530 single-chip microcomputer is connected with sound light alarming circuit, the pin 8 of CC2530 single-chip microcomputer, 5, 38, 20, 19, 12 with the pin 23 of liquid crystal display circuit, 13, 15, 25, 27 are connected with drive circuit difference order correspondence.
In one embodiment, described wireless temperature measurement node comprises CC2530 single-chip microcomputer, DLL (dynamic link library), wireless transceiver, analog switch, temperature transducer DS18B20, clock circuit, semiconductor cooler, high temperature resistant battery and temperature controller, and wherein said DLL (dynamic link library), wireless transceiver, analog switch, temperature transducer DS18B20, clock circuit, semiconductor cooler, high temperature resistant battery and temperature controller are connected in described CC2530 single-chip microcomputer.
In one embodiment, the pin 5 of described CC2530 single-chip microcomputer, 6, 7, 20, 35, 36, 37 with the pin 8 of DLL (dynamic link library), 5, 6, 7, 3, 4, the 10 corresponding connections of order respectively, the pin 25 of CC2530 single-chip microcomputer, 26 are connected with wireless transceiver, the pin 11 of CC2530 single-chip microcomputer is connected with the TS5A23166 chip pin 6 of analog switch, the pin 6 of CC2530 single-chip microcomputer and the pin of the temperature transducer DS18B20 2 corresponding connection of order respectively, the pin 3 of the TS5A23166 chip pin 2 temperature transducer DS18B20 of analog switch connects, the pin 32 of CC2530 single-chip microcomputer, 33, 22, 23 are connected with clock circuit, the LM26CIM5-TPA chip pin 1 of temperature controller, 5 with the pin 1 of semiconductor cooler TEC1-12706, 2 respectively correspondence be linked in sequence, the LM26CIM5-TPA of temperature controller (U59) chip pin 1 connects positive source, the pin 1 of semiconductor cooler TEC1-12706 (U57) connects positive source, the pin 5 of U59 is connected with the pin 2 of U57.The positive pole of high temperature resistant battery (U58) is connected with the power input of U5 is anodal, and negative pole is connected with U5 ground.
Beneficial effect of the present invention:
Technical scheme of the present invention is directly monitored the temperature field, goaf, and capability to resist destruction by force, can not interrupt monitoring, accurately locating fire source point position because of the impact of some node failures.With indirect temperature measurement method in the past than it have direct measurement, reaction speed fast, locate accurate characteristics; Other direct methods of measurement that are representative with distribution type fiber-optic are compared has arrangement conveniently, the characteristics that capability to resist destruction is strong.This system, for formulating the goaf fire-fighting measure, realizes that safety of coal mines High-efficient Production and sustainable development are of great immediate significance.
The accompanying drawing explanation
Fig. 1 is coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system based on the WSN deployment way schematic diagram at coal mine gob.
The system configuration schematic diagram that Fig. 2 is the coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system based on WSN.
Fig. 3 is information aggregation node U4 the electric circuit constitute module diagram.
Fig. 4 is temperature measurement node U5 the electric circuit constitute module diagram.
The physical circuit schematic diagram that Fig. 5 is U41 and U51 in an embodiment.
The physical circuit schematic diagram that Fig. 6 is U42 and U52 in an embodiment.
The physical circuit schematic diagram that Fig. 7 is U43 and U53 in an embodiment.
The physical circuit schematic diagram that Fig. 8 is U54 in an embodiment.
The physical circuit schematic diagram that Fig. 9 is U55 in an embodiment.
The physical circuit schematic diagram that Figure 10 is U46 and U56 in an embodiment.
The physical circuit schematic diagram that Figure 11 is U57 and U59 in an embodiment.
The physical circuit schematic diagram that Figure 12 is U44 in an embodiment.
The physical circuit schematic diagram that Figure 13 is U48 in an embodiment.
The physical circuit schematic diagram that Figure 14 is U49 in an embodiment.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Provided preferred embodiment of the present invention in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the purpose of these embodiment be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
As shown in Figure 1, in goaf, at interval of the large I of certain distance 10 ~ 20M(distance, according to circumstances adjust accordingly), dispose mono-of temperature measurement node U5, wherein in goaf, temperature measurement node is at least 1; Dispose an information aggregation node U4 at both sides crossheading, be responsible for the networking of wireless sensor network and the collection of temperature information.The purpose of two aggregation nodes is set, the one, improve information gathering speed; The 2nd, reduce the communication forwarding jumping figure, the saving wireless node energy; The 3rd, utilize two aggregation nodes, improve system operation reliability.Consider the complexity of working face operational environment, the cable of arranging at crossheading, as transmission medium, maintains easily, and at working section sub station or in adopting the permanent openings outside face, communication gate is set, and links up communication backbone and monitoring net on ore deposit.
Fig. 2 is system global structure figure, and as can be seen from the figure system is by the server U1 that is positioned at ground, communication network U2, communication gate U3 and be positioned at the information aggregation node U4 of working face both sides crossheading, the wireless temperature measurement node U5 be positioned among goaf and form.And system can be monitored a plurality of goafs temperature conditions simultaneously.Realize that a plurality of goafs ignition point locates simultaneously.
Fig. 3 is the circuit structure diagram of information aggregation node, this nodal function, and the one, realize the networking of temperature measurement node as network coordinator, the 2nd, demonstration on the spot and the warning of metrical information, the 3rd, the communication of metrical information; It is by CC2530 single-chip microcomputer U41, DLL (dynamic link library) U42, and wireless transceiver U43,485 interface circuit U44, clock circuit U46, power circuit U47, sound light alarming circuit U48, liquid crystal display circuit U49 forms.As shown in Figure 5, information aggregation node U4 comprises single-chip microcomputer CC2530, pin 10,21,24,31,39,31 parallel connections of CC2530, connect the 3.3V power supply with inductance L 1 series connection and be connected capacitor C 1, C2, C3, C4, C7 earth simultaneously, pin 27,28,29 series connection, connect in succession the 3.3V power supply with inductance L 1 parallel connection and be connected capacitor C 5, C6 earth simultaneously, the pin 40 of single-chip microcomputer CC2530 connects capacitor C 16, C16 ground connection, pin 30 contact resistance R1, resistance R 1 ground connection, pin 25,26 is connected with an antenna adapter circuit; As shown in Figure 6, CC2530 single-chip microcomputer U41 pin 5,6,7,20,35,36,37 is distinguished the corresponding connections of order with the pin 8,5,6,7,3,4,10 of DLL (dynamic link library) U42; Pin 32,33 connects a crystal oscillating circuit, and pin 22,23 connects a crystal oscillating circuit; As shown in Figure 7, E1 is the wireless receiving and dispatching antenna, and pin 40 connects capacitor C 16, C16 ground connection, pin 30 contact resistance R1, resistance R 1 ground connection; As shown in figure 12, the corresponding connection of order respectively of the pin 1,4,3,2 of CC2530 single-chip microcomputer U41485 conversion chip MAX485, the pin 7,8 of 485 conversion chip MAX485 connects respectively the pin 1,2 of J1; As shown in figure 13, CC2530 single-chip microcomputer U41 pin 18 connects the sound and light alarm module; As shown in figure 14, CC2530 single-chip microcomputer U41 pin 5,8,12,19,20,38 connects the LCD display module;
Fig. 4 is system wireless temperature survey node circuit structure chart, whole circuit is divided into two major parts: first is measure portion, the detection that the major function completed is node external position temperature and the wireless transmission of metrical information, this part is by CC2530 single-chip microcomputer U51, DLL (dynamic link library) U52, wireless transceiver U53, analog switch U54, DS18B20 temperature transducer U55, clock circuit U56 forms; Its operation principle is for working as intra-node operating ambient temperature control section.This part is by semiconductor cooler U57, temperature controller U58 forms, when the intra-node working temperature surpasses design temperature, semiconductor cooler is started working and is guaranteed that the intra-node temperature is no more than its normal range of operation temperature measurement node U5 and comprises single-chip microcomputer CC2530, as shown in Figure 5, the pin 10 of single-chip microcomputer CC2530, 21, 24, 31, 39, 41 series connection, connect the 3.3V power supply with inductance L 1 series connection and be connected capacitor C 1 simultaneously, C2, C3, C4, the C7 earth, pin 27, 28, 29 series connection, connect in succession the 3.3V power supply with inductance L 1 series connection and be connected capacitor C 5 simultaneously, the C6 earth, the pin 40 of single-chip microcomputer CC2530 connects capacitor C 16, C16 ground connection, pin 30 contact resistance R1, resistance R 1 ground connection, as shown in Figure 6, the pin 5,6,7,20,35,36,37 of single-chip microcomputer CC2530 is distinguished the corresponding connections of order with the pin 8,5,6,7,3,4,10 of DLL (dynamic link library), as shown in Figure 7, the pin 25,26 of single-chip microcomputer CC2530 is connected with an antenna adapter circuit, and E1 is the wireless receiving and dispatching antenna, as shown in Figure 8, the pin 11,6 of single-chip microcomputer CC2530 and analog switch TS5A23166 chip pin 6 and pin 5 after series resistance R36 be corresponding connections of order respectively, analog switch TS5A23166 chip pin 1, the 5 3.3V power supply that is connected in parallel, pin 4 ground connection, as shown in Figure 9, the pin 6 of single-chip microcomputer CC2530 connects the pin 2 of temperature transducer DS18B20, pin 1 ground connection of U55 temperature sensor DS18B20.The pin 3 of U55 temperature transducer DS18B20 is connected with the pin 2 of U54 analog switch TS5A2316; As shown in figure 10, the pin 32,33 of single-chip microcomputer CC2530 connects a crystal oscillating circuit, pin 22,23 connects a crystal oscillating circuit, the pin 22,23 and 32,33 of crystal oscillator U43 and U53 and single-chip microcomputer is respectively after corresponding connection of order, the order correspondence connects capacitor C 17, C18 and C19, C20, capacitor C 17, C18 and C19, C20 ground connection respectively; As shown in figure 11, the pin 5 that the pin 1 that the LM26CIM5-TPA chip pin 1 of temperature controller U59 meets positive source, U57 semiconductor cooler TEC1-12706 meets positive source, U59 is connected with the pin 2 of U57; As shown in figure 12, the pin 14,15,16,17 of single-chip microcomputer CC2530 is distinguished the corresponding connection of order with the pin 2,3,4,1 of conversion chip MAX485; Second is power unit, high temperature resistant battery U58, consists of, and U58 selects heatproof to surpass the battery of 120 degree, and as PANASONIC BR2477A etc., high temperature resistant anode is connected with the VCC-_RF node of U5.The negative pole of high temperature resistant battery is connected with the pin 41 of CC2530 chip.
Unless otherwise defined, all technology that this paper is used are identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term used in specification of the present invention herein, just in order to describe the purpose of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (5)
1. the coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system based on WSN, it is characterized in that, comprising: netscape messaging server Netscape (U1), communication network (U2), communication gate (U3), the wireless temperature measurement node (U5) that is positioned at the information aggregation node (U4) of working face both sides crossheading and is positioned at goaf; Described wireless temperature measurement node (U5) collecting temperature signal, by being wirelessly transmitted to described information aggregation node (U4), described information aggregation node (U4) is transferred to communication gate (U3) by the temperature signal received, communication gate (U3) is transferred to communication network (U2) again, and last communication network (U2) transfers signals to netscape messaging server Netscape (U1).
2. a kind of coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system based on WSN according to claim 1, it is characterized in that, described information aggregation node (U4) comprising: CC2530 single-chip microcomputer (U41), DLL (dynamic link library) (U42), wireless receiving and dispatching antenna circuit (U43), 485 interface circuits (U44), ethernet interface circuit (U45), clock circuit (U46), power circuit (U47), sound light alarming circuit (U48) and liquid crystal display circuit (U49), wherein said DLL (dynamic link library) (U42), wireless receiving and dispatching antenna circuit (U43), 485 interface circuits (U44), ethernet interface circuit (U45), clock circuit (U46), power circuit (U47), sound light alarming circuit (U48) and liquid crystal display circuit (U49) are connected in described CC2530 single-chip microcomputer (U41).
3. a kind of coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system based on WSN according to claim 2, is characterized in that the pin 5 of described CC2530 single-chip microcomputer (U41), 6, 7, 20, 35, 36, 37 with the pin 8 of DLL (dynamic link library) (U42), 5, 6, 7, 3, 4, the 10 corresponding connections of order respectively, the pin 25 of CC2530 single-chip microcomputer (U41), 26 are connected with wireless transceiver (U43), the pin 14 of CC2530 single-chip microcomputer (U41), 15, 16, the pin 2 of 17 and 485 interface (U44) conversion chip MAX485, 3, 4, the 1 corresponding connection of order respectively, the pin 6 of 485 conversion chip MAX485, the pin 1 of 7 and 485 interfaces (U44), the 2 corresponding connections of order respectively, the pin 22 of CC2530 single-chip microcomputer (U41), 23, 32, 33 are connected with clock circuit (U46), the pin 10 of CC2530 single-chip microcomputer (U41), 21, 24, 39 with power circuit (U47), the pin 18 of CC2530 single-chip microcomputer (U41) is connected with sound light alarming circuit (U48), the pin 8 of CC2530 single-chip microcomputer (U41), 5, 38, 20, 19, 12 with the pin 23 of liquid crystal display circuit (U49), 13, 15, 25, 27 are connected with drive circuit difference order correspondence.
4. a kind of coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system based on WSN according to claim 1, it is characterized in that, described wireless temperature measurement node (U5) comprises CC2530 single-chip microcomputer (U51), DLL (dynamic link library) (U52), wireless transceiver (U53), analog switch (U54), temperature transducer DS18B20 (U55), clock circuit (U56), semiconductor cooler (U57), high temperature resistant battery (U58) and temperature controller (U59), wherein said DLL (dynamic link library) (U52), wireless transceiver (U53), analog switch (U54), temperature transducer DS18B20 (U55), clock circuit (U56), semiconductor cooler (U57), high temperature resistant battery (U58) and temperature controller (U59) are connected in described CC2530 single-chip microcomputer (U51).
5. a kind of coal mine gob spontaneous fire burning things which may cause a fire disaster point positioning system based on WSN according to claim 4, it is characterized in that the pin 5,6,7,20,35,36,37 of described CC2530 single-chip microcomputer (U51) and the pin of DLL (dynamic link library) (U52) 8,5,6,7,3,4, the 10 corresponding connection of order respectively; The pin 25,26 of CC2530 single-chip microcomputer (U51) is connected with wireless transceiver (U53); The pin 11 of CC2530 single-chip microcomputer (U51) is connected with the TS5A23166 chip pin 6 of analog switch (U54); The pin 6 of CC2530 single-chip microcomputer (U51) is connected with the pin 2 of temperature transducer DS18B20 (U55), and the TS5A23166 chip pin 2 of analog switch (U54) is connected with the pin 3 of temperature transducer DS18B20 (U55); The pin 32,33,22,23 of CC2530 single-chip microcomputer (U51) is connected with clock circuit (U56); LM26CIM5-TPA chip pin 1,5 and the semiconductor cooler TEC1-12706(U57 of temperature controller (U59)) pin 1,2 corresponding being linked in sequence respectively, the pin 1 that the LM26CIM5-TPA of temperature controller (U59) chip pin 1 meets positive source, semiconductor cooler TEC1-12706 (U57) meets positive source, LM26CIM5-TPA(U59) pin 5 and TEC1-12706(U57) pin 2 be connected; The positive pole of high temperature resistant battery (U58) and the power input of (U5) are anodal to be connected, negative pole be connected (U5).
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