CN104043214A - Oil-gas explosion suppression controller of wireless network - Google Patents
Oil-gas explosion suppression controller of wireless network Download PDFInfo
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- CN104043214A CN104043214A CN201410275701.6A CN201410275701A CN104043214A CN 104043214 A CN104043214 A CN 104043214A CN 201410275701 A CN201410275701 A CN 201410275701A CN 104043214 A CN104043214 A CN 104043214A
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Abstract
The invention discloses an oil-gas explosion suppression controller of a wireless network. The oil-gas explosion suppression controller of the wireless network comprises an upper computer system, a lower computer system and a power supply module, wherein the power supply module is used for supplying power for the upper computer system and the lower computer system; the upper computer system is wirelessly connected to the lower computer system. By virtue of the controller, a fire source sensor and a smoke sensor are used for collecting data of an oil-gas field on the site; an nRF905 module is used for carrying out data transmission of the oil-gas field and a control room on the site; an MCU (Microprogrammed Control Unit) is used as a control and processing unit; a 12864 liquid crystal is used as display and output of state of the explosion suppression controller; the oil-gas explosion suppression controller of the wireless network is assisted by functional modules such as audible and visual alarm modules, fan regulation modules; the oil-gas explosion suppression controller of the wireless network is a novel wireless oil-gas explosion suppression device which has the beneficial effects that the functions of power supply and communication of a system can be achieved by adopting a wireless manner; the system is simple in structure.
Description
Technical field
The invention belongs to the datonation-inhibition control appliance technical field of oil gas, relate to a kind of wireless network oil gas explosion suppression control unit.
Background technology
Along with economic fast development, commercial production scale constantly expands, also can get more and more to the demand of oil gas energy products, and having determined petrochemical industry, the inflammable and explosive characteristic of the raw material of petro chemical industry, most intermediate, product produces the inherent characteristics of easy breaking out of fire, explosion accident, add material in process of production most positions temperature exceed its self-ignition point, leak, will involuntary ignition, high pressure is produced and is made material be more prone to reveal, increase danger, carelessness, all may lead to fire explosion Anywhere.Based on industrial fire & safety requirement, China is about producer is on the basis of the external advanced security against fire monitoring technique of absorption, by developing and supporting application, formed comprehensive security against fire monitoring system special in industrial processes, they comprise industrial special SL-M300 security against fire network monitoring system, SL-C300 telecommunication network customer service center system, SL-S200 industrial fire water spray fire extinguish system, SL-D500 industry dedicated multilevel warning line-type heat detector
[5].Modern petrochemical industry is produced, and owing to having adopted a series of advanced meanses such as automatic control, signal alarm, safety interlocking and industrial television, safety in production is secure under normal circumstances.
At present, the security against fire monitoring system of middle-size and small-size oil gas field is not also very perfect, the special comprehensive security against fire monitoring system of large-scale industrial processes is invested huge, and operating system complexity and function singleness, especially the processing of accident is often tightly relied in prevention, once prediction and alarm does not put in place, accident just cannot stop.The research of this problem is puted forth effort from forecast and is suppressed two aspects and start with simultaneously, and the generation of prevention accident and accident is eliminated at early period of origination provides second guard technology means for inhibition accident.
The research of revealing the explosion suppression technology that may occur at industrial production scene for oil gas seems especially important.Oil gas explosion suppression technology is generally divided into obstruct quick-fried technology, datonation-inhibition technology and venting of dust explosion technology three classes, and the datonation-inhibition technology of combustible oil gas is from datonation-inhibition active explosion suppression, the explosion arrestment technology of turning to of passive pressure release at present.For the safety measure such as venting of dust explosion, flame proof, oil gas is datonation-inhibition avoids explosion wave to the destruction of personnel and building around, also can reduce toxic gas, unburning material, flame etc. and be discharged in atmosphere and cause subsequent explosion or pollution, be a kind of safer, environmental protection, effective explosion-proof method.
Legacy equipment normally completes power supply and the communication function to system by wire medium, and because oil gas place exists that environment is severe, wiring is difficult for and the dangerous feature such as large conventionally, if the object that can reach monitoring by unmanned has just improved operating personnel's security greatly.Along with the development of wireless messages technology, wireless medium network, with low-power consumption, simple, easy to operate, the feature such as cost is low of arranging net, has more and more been dissolved into the every field of life.Controller of the present invention is SCM Based application system, and according to task design requirement, this controller is applied to taking methane (CH4) as main oil gas field.Methane does not contact with air in transmission pipeline, also there is no burning things which may cause a fire disaster, therefore can automatically not catch fire; Once but methane gas leaks, the explosion limit that reaches methane is concentration 5%～16% time, the naked light as spark also can be explosion caused.The loss producing for fear of generation and the minimizing accidental detonation of explosion accident, needs sensor in real time oil gas field place to be surveyed, and actuating unit moves rapidly.Moreover whole controller will normally move work, and the related hardware circuit of this controller is all direct current supply, and a galvanic current source also can not be ignored.In addition,, in order better to realize the effect of controller entirety, display module, alarm module have also been designed.
Summary of the invention
Object of the present invention is providing a kind of wireless network oil gas explosion suppression control unit, has solved existing network oil gas explosion suppression control unit and has completed power supply and the communication function to system by wire medium, the system complicated problem of arranging net.
The technical solution adopted in the present invention is by master system, lower computer system and form to the power module group of master system, lower computer system power supply, and master system is by wireless connections lower computer system;
Described master system comprises host computer MCU control chip, host computer MCU control chip connects respectively burning things which may cause a fire disaster detecting sensor, gas sensor, one-level fan, secondary fan, host computer audible alarm module, host computer alarm lamp, AD modular converter, explosion suppression device, host computer wireless module, described power module group connects respectively host computer MCU control chip, burning things which may cause a fire disaster detecting sensor, gas sensor, one-level fan, secondary fan, host computer audible alarm module, host computer alarm lamp, AD modular converter, explosion suppression device and host computer wireless module, give the each module for power supply of host computer,
Described lower computer system comprises slave computer MCU control chip, slave computer MCU control chip connects respectively slave computer wireless module, LCD MODULE, independent key-press module, slave computer audible alarm module and slave computer alarm lamp, described power module group connects respectively slave computer MCU control chip, slave computer wireless module, LCD MODULE, independent key-press module, slave computer audible alarm module and slave computer alarm lamp, gives the each module for power supply of slave computer.
Further, described power module group comprises main power source, and the 12V delivery outlet of main power source connects respectively 12V and turns 5V power module and stand-by power supply, and the 5V delivery outlet connection 5V that 12V turns 5V power module turns 3.3V power module.
Further, described host computer MCU control chip and slave computer MCU control chip model are STC89C52RC single-chip microcomputer.
Further, described host computer wireless module and slave computer wireless module model are nRF905.
The invention has the beneficial effects as follows and adopt wireless mode to complete power supply and the communication function to system, system architecture is simple.
Brief description of the drawings
Fig. 1 is a kind of wireless network oil gas of the present invention explosion suppression control unit structural representation;
Fig. 2 is MCU minimum system circuit theory diagrams of the present invention;
Fig. 3 is burning things which may cause a fire disaster detecting sensor circuit theory diagrams of the present invention;
Fig. 4 is audible alarm modular circuit schematic diagram of the present invention;
Fig. 5 is alarm lamp circuit theory diagrams of the present invention;
Fig. 6 is one-level fan circuit theory diagrams of the present invention;
Fig. 7 is secondary fan circuit theory diagrams of the present invention;
Fig. 8 is gas sensor circuit theory diagrams of the present invention;
Fig. 9 is AD modular converter circuit theory diagrams of the present invention;
Figure 10 is wireless module circuit catenation principle figure of the present invention;
Figure 11 is explosion suppression device circuit theory diagrams of the present invention;
Figure 12 is main power circuit schematic diagram of the present invention;
Figure 13 is that 12V of the present invention turns 5V power module circuitry schematic diagram;
Figure 14 is stand-by power supply circuit theory diagrams of the present invention;
Figure 15 is that 5V of the present invention turns 3.3V power module circuitry schematic diagram;
Figure 16 is LCD MODULE circuit theory diagrams of the present invention;
Figure 17 is independence key-press module circuit theory diagrams of the present invention;
Figure 18 is program of lower computer flow chart of the present invention;
Figure 19 is host computer procedure flow chart of the present invention;
Figure 20 is wireless data transmission flow figure of the present invention;
Figure 21 is receive data by wireless flow chart of the present invention;
Figure 22 is liquid crystal display program flow chart of the present invention.
In figure, 101. host computer MCU control chips, 102. burning things which may cause a fire disaster detecting sensors, 103. gas sensor, 104. one-level fans, 105. secondary fans, 106. host computer audible alarm modules, 107. host computer alarm lamps, 108.AD modular converter, 109. explosion suppression device, 110. host computer wireless modules, 201. slave computer MCU control chips, 202. slave computer wireless modules, 203. LCD MODULE, 204. independent key-press modules, 205. slave computer audible alarm modules, 206. slave computer alarm lamps, 301. main power source, 302.12V turn 5V power module, 303. stand-by power supply, 304.5V turn 3.3V power module.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The present invention is directed to oil gas field the accidents such as oil and gas leakage, fire, blast easily occur, designed a kind of wireless network oil gas explosion suppression control unit.This controller utilizes burning things which may cause a fire disaster sensor and Smoke Sensor to carry out data acquisition to oil gas field scene, utilize nRF905 wireless module to realize the transfer of data in oil gas field scene and control room, utilize MCU as controlled processing unit, utilize the demonstration output of 12864 liquid crystal as explosion suppression control unit state, and be aided with the functional module such as sound and light alarm, blower fan regulation and control, be a kind of novel radio oil gas explosion suppression device.By experiment, prove this controller in time speed carry out accurately prediction, elimination and the processing of peril.Security for guarantee and raising oil gas field place has certain reference value.Native system can, according to more emat sensor of actual application environment, have good versatility.
A kind of wireless network oil gas of the present invention explosion suppression control unit, it is by master system, lower computer system and form to the power module group of master system, lower computer system power supply;
As shown in Figure 1, described master system comprises host computer MCU control chip 101, host computer MCU control chip 101 connects respectively burning things which may cause a fire disaster detecting sensor 102, gas sensor 103, one-level fan 104, secondary fan 105, host computer audible alarm module 106, host computer alarm lamp 107, AD modular converter 108, explosion suppression device 109, host computer wireless module 110, described power module group connects respectively host computer MCU control chip 101, burning things which may cause a fire disaster detecting sensor 102, gas sensor 103, one-level fan 104, secondary fan 105, host computer audible alarm module 106, host computer alarm lamp 107, AD modular converter 108, explosion suppression device 109 and host computer wireless module 110, give the each module for power supply of host computer,
Described lower computer system comprises slave computer MCU control chip 201, slave computer MCU control chip 201 connects respectively slave computer wireless module 202, LCD MODULE 203, independent key-press module 204, slave computer audible alarm module 205 and slave computer alarm lamp 206, described power module group connects respectively slave computer MCU control chip 201, slave computer wireless module 202, LCD MODULE 203, independent key-press module 204, slave computer audible alarm module 205 and slave computer alarm lamp 206, gives the each module for power supply of slave computer.
Described power module group comprises main power source 301, and the 12V delivery outlet of main power source 301 connects respectively 12V and turns 5V power module 302 and stand-by power supply 303, and the 5V delivery outlet connection 5V that 12V turns 5V power module 302 turns 3.3V power module 304.
The present invention is single power supply under normal circumstances, switch on power, LCD MODULE 203 initializes, show modules normal condition, gas sensor 103 preheating 30S left and right start normal work, if gas sensor 103 detects abnormity of gas concentration, host computer audible alarm module 106 and slave computer audible alarm module 205 start to report to the police, host computer alarm lamp 107 and slave computer alarm lamp 206 start light warning, LCD MODULE 203 shows abnormity of gas concentration, one-level fan 104 starts, if gas concentration is excessive, report to the police, and liquid crystal display prompting concentration is excessive, one-level fan 104, secondary fan 105 all starts, until gas concentration is while recovering normal, various alarm signals just can be eliminated.If burning things which may cause a fire disaster detecting sensor 102 detects naked light, explosion suppression device 109 can direct actions, in the time that concentration over-standard and naked light occur simultaneously, owing to having used the interruption of single-chip microcomputer, according to the priority of terminal, the preferential quick acting of explosion suppression device 109, blower fan apparatus performs an action again.If civil power generation accident, system can automatically switch to stand-by power supply 303 associated therewith, and system still can be worked on.
Each module hardware circuit:
Host computer MCU control chip 101 and slave computer MCU control chip 201: the minimum control system taking STC series monolithic as core.The advantage of this scheme is: applying flexible, and low price, hardware configuration is simple, the easy left-hand seat of software programming, empty stock index function is more, applicability and highly versatile.STC89C52RC single-chip microcomputer is a new generation's high speed/low-power consumption/superpower jamproof single-chip microcomputer that macrocrystalline science and technology is released, completely compatible traditional 8051 single-chip microcomputers of instruction code, and 12 clocks/machine cycle and 6 clocks/machine cycle can be selected arbitrarily.This controller adopts the MCU of STC89C52 as system, and it carries program storage, therefore only need connect reset circuit and clock circuit again, will simultaneously
connect high level, ALE,
signal need not, just form MCU minimum system, MCU minimum system circuit theory as shown in Figure 2.
The feature of this minimum system is:
(1) limit by integrated level, can only be used for small-sized control module.
(2) a large amount of I/O mouth lines is available.
(3) finite capacity of memory.
(4) be suitable for using in the application system of producing in enormous quantities.
Burning things which may cause a fire disaster detecting sensor 102: flame be material catch fire produce bright thermoluminescent gas part, substance combustion is the stage completely of material to glow phase, in this one-phase, flame thermal radiation contains a large amount of infrared rays and ultraviolet ray.Utilize the naked light of UV sensor for detection of early stage burning, advantage is that reaction speed is exceedingly fast, and sensitivity is good, is applicable to fire initial period very short, and fire development is occasion rapidly.While utilizing burning things which may cause a fire disaster sensor to burning, the heat radiation of burning things which may cause a fire disaster and the frequency of burning things which may cause a fire disaster are surveyed, and can avoid the further expansion of explosion accident, thereby farthest ensure the person and property safety.Burning things which may cause a fire disaster detecting sensor 102 is output as digital quantity, and high level 1 and low level 0.Under normal circumstances, sensor is output as low level; In the time that sensor detects burning things which may cause a fire disaster, output high level.Consider that this controller is explosion suppression control unit, require detecting after burning things which may cause a fire disaster and can process rapidly, in conjunction with external interrupt 0 function of single-chip microcomputer, realize the rapid property of explosion suppression control unit.But, interrupt having two kinds of triggering modes: trailing edge triggers and low level triggers.Therefore burning things which may cause a fire disaster sensor module circuitry adopts circuit as shown in Figure 3.Connect 8050 triodes at the signal output part of sensor, under normal circumstances, sensor no-output, three grades are changed not conducting, and UV is high level; In the time burning things which may cause a fire disaster being detected, sensor output high level, triode conducting, UV is low level.Burning things which may cause a fire disaster detecting sensor 102 circuit theories as shown in Figure 3.
Host computer audible alarm module 106 and slave computer audible alarm module 205: taking buzzer as core, add drive circuit, form warning circuit.The advantage of this scheme is that cost is lower, and hardware configuration is simple, and it is convenient to control.This controller sound and light alarm module, mainly for the warning under special emergency, adopts buzzer and light emitting diode to realize warning function.As shown in Figure 4, in the time of the relevant pin output low level of single-chip microcomputer, buzzer call, is illustrated in figure 5 alarm lamp circuit theory diagrams to audible alarm modular circuit principle, and now the light emitting diode of host computer alarm lamp 107 and slave computer alarm lamp 206 is lighted.
One-level fan 104 and secondary fan 105: be directed to the methane concentration at oil gas field scene, this controller design blower fan regulation and control module.Be illustrated in figure 6 one-level fan 104 circuit theory diagrams, Figure 7 shows that secondary fan 105 circuit theory diagrams, in the time that the data of Smoke Sensor collection exceed the threshold value of software program setting, single-chip microcomputer FS1, FS2 export the corresponding level that performs an action, if low level, can carry out fan starting, realize multistage blower fan regulation and control.
Gas sensor 103: this controller is devoted to forecast and the inhibition of accident, need to carry out Real-Time Monitoring and show on-the-spot concentration of methane gas.Adopt MQ-4, be illustrated in figure 8 gas sensor 103 circuit theory diagrams, by Smoke Sensor analog output section, obtain analog quantity, then entered A/D and be converted to digital quantity, then send that single-chip microcomputer carries out data processing and real time data shows to.
AD modular converter 108:A/D0809 is 8 successive approximation A/D converters, is made up of 8 path analoging switch, address latch decoder, A/D converter and tristate output buffer.Because this controller only gathers a road analog quantity, therefore directly by A, B, the direct ground connection of C pin select IN0 analog input channel, we select CLK pin to make a square wave of I/O output with software timer, so just save the external frequency divider of hardware circuit, when being high level, OE allows the data output of having changed, therefore directly meet VCC, ALE carries out address latch in the time of rising edge, START zero clearing in the time of rising edge, in the time of trailing edge, start to carry out data transaction, and keep low level at transition period START, therefore START and ALE are linked together, can in the time of rising edge, carry out latch and in the time of trailing edge, automatically carry out data transaction in address.8 bit data after A/D conversion are input to P0 mouth, in single-chip microcomputer, carry out data processing.Be illustrated in figure 9 AD modular converter 108 circuit theory diagrams.
Host computer wireless module 110 and slave computer wireless module 202: carry out wireless transmission medium with nRF905.The advantage of this scheme is: low in energy consumption, volume is little, long transmission distance, and obstacle penetration performance is strong, and communication is stable, strong interference immunity, multiple low-power working mode, energy-saving design is more convenient, and cost is low.NRF905 is monolithic radio frequency transceiving chip, works in ISM band (433MHz), the functional modules such as built-in chip type power amplifier, crystal oscillator, modulator and frequency synthesizer, and communication channel and power output can arrange by software programming.Chip energy consumption is low, and during with the power emission of 10dBm, operating current is 30mA only, and when reception, operating current only has 12.5mA, multiple-working mode, and under standby mode, electric current is only 12.5 μ A, energy-saving design is convenient.Its ShockBurst technology can automatically generate lead code and CRC check position in the time of communication.NRF905 is applicable to the occasion of many radio communications, as wireless system for transmitting data, home automation, warning and security system, wireless access control system, remote sensing monitoring etc.Be wireless module circuit catenation principle figure as shown in figure 10.1 connect+3.3V of pin VCC power supply, 13 pin GUN, 14 pin GUN ground connection, 4 pin uCLK do not connect, and all the other pins are connected with single-chip processor i/o mouth.
Explosion suppression device 109: in the time that this controller system detects burning things which may cause a fire disaster, MCU controls explosion suppression device and moves rapidly.The electric current that explosion suppression device need to be greater than 500mA drives, and enters experiment test, and one-level amplification is difficult to meet the demands, thus adopt secondary to amplify, and in order to make triode Q8 to colleague's electric current maximum, only connect at the colelctor electrode of Q7 the resistance that resistance is 330 Ω.Be explosion suppression device 109 circuit theory diagrams as shown in figure 11, in the time that burning things which may cause a fire disaster detecting sensor 102 is output as low level, system responses is interrupted, and in POP end output low level, explosion suppression device is performed an action rapidly in 20mS, and causality loss is reduced to minimum.
Power module: taking+12V battery as power supply, by mu balanced circuit, can obtain+5V, thereby can drive single-chip microcomputer and each modular circuit.The advantage of this scheme is: invest lessly, non-maintaining, less demanding to environmental factors such as temperature, output voltage is more stable.In power module 3, main power source 301 circuit theory diagrams turn 3.3V power module 304 circuit theory diagrams as Figure 15 as Figure 14 and 5V as Figure 12,12V turn 5V power module 302 circuit theory diagrams as Figure 13, stand-by power supply 303 circuit theory diagrams.Because burning things which may cause a fire disaster detecting sensor 102 operating voltages are more than 7V, and the operating voltage of involved other module components and parts of this controller is 5V and 3.3V, thus adopt 7805 and AMS1117 voltage stabilizing chip carry out voltage stabilizing.Consider again the requirement of this controller to power supply stability, thus this controller main power source 301 adopt 220V through transformer pressure-reducing to 9V, then after current rectifying and wave filtering circuit, 7812 voltage stabilizing chip voltage stabilizings, obtain 12V power supply, controller powered; 303 employing+12V batteries of stand-by power supply, simultaneously also through over commutation 7805 and the controlled device required voltage of AMS1117 voltage stabilizing chip voltage stabilizing.Stand-by power supply 303 relays and main power source 301 circuit link, and the Chang Kaiduan of relay is connected with main power source 301, and normal-closed end is connected with stand-by power supply 303, thereby reach the automatic switchover of main power source 301 and stand-by power supply 303.
LCD MODULE 203: adopt LCD128642 Liquid Crystal Module to form display circuit.The advantage of this scheme is that hardware circuit is simple, can Display of Chinese characters and figure, and built-in 8192 Chinese characters, 128 characters and 64X256 dot matrix display random access memory.Can with MCU direct interface, can provide two kinds to connect MCU modes: serial and parallel join mode.And there is other functions: cursor demonstration, picture displacement, sleep pattern etc.This controller adopts 12864 liquid crystal parallel modes to show output.LCD MODULE 203 circuit theory diagrams as shown in figure 16, VDD, BLK pin ground connection, VCC, connect+5V of BLA pin, RS, R/W, E pin connect the control line of single-chip microcomputer, D0-D7 data port is connected with single-chip microcomputer P0 mouth, and PSB, RST pin be directly connect+5V of the actual conditions of this controller, carries out hardware and sets high, reduce the taking of single-chip processor i/o, and the writing of software program.
Independent key-press module 204: key circuit can be divided into free-standing button and matrix keyboard.This controller adopts free-standing button.As shown in figure 17, I/O mouth normality is high potential, is electronegative potential while pushing button.In conjunction with software programming, adopt scanning method to realize the identification of button.
Software program design: program of lower computer flow chart as shown in figure 18, its major responsibility is to gather the signal of gas sensor 103 and burning things which may cause a fire disaster detecting sensor 102, treat the complete host computer that sends a signal to of signals collecting, wait for result, after receiving the processing signals of master system and carry out corresponding actions.
Host computer procedure flow chart as shown in figure 19.Its major responsibility is the signal of the burning things which may cause a fire disaster detecting sensor 102 of processing lower computer system transmission, consider the succession of single-chip microcomputer deal with data and the decisive burning things which may cause a fire disaster signal of first processing to explosion accident, processes and displays exists burning things which may cause a fire disaster to have the necessary condition of blast, need timely alarm indication and carry out in time fire extinguishing action, secondly detectable concentration signal, there is the potential safety hazard of blast once concentration exceeds standard, need timely alarm indication and carry out fan action, diluted concentration.
NRF905 Wireless Data Transmission is also divided into two parts in software design procedure: the transmission of data and the acceptance of data, this module exists in pairs in actual use, these that receive, the full duplex mode of operation of those these receipts, therefore each module needs to possess transmitting-receiving two parts program.Be wireless data transmission flow figure as shown in figure 20, Figure 21 is receive data by wireless flow chart.
The design is using LCD12864 as demonstration, and liquid crystal display subroutine flow chart as shown in figure 22.This display module is finished product module, only need to write single-chip microcomputer display routine.In program, first display module is initialized, specify afterwards the original position showing, start display string, after demonstration, judge whether to need line feed, as needs line feed need to arrange its ranks number, finally judge whether to show complete, the complete screen upper left corner of getting back to.
Function of the present invention has: utilizes the principle of MQ-4 catalysis type combustion gas photosensitive elements, carries out the detection of imflammable gas concentration, and can early detection latent dangerous factor.While utilizing burning things which may cause a fire disaster sensor to burning, the heat radiation of burning things which may cause a fire disaster and the frequency of burning things which may cause a fire disaster are surveyed, and can avoid the further expansion of explosion accident, thereby farthest ensure the person and property safety.Uninterrupted power source function, the power supply of whole controller is made up of main power source and stand-by power supply, can realize the power supply of automatic switchover, the instruction of power work state and each module of primary, spare power supply.Datonation-inhibition function, when detecting that while there is naked light in environment, explosion suppression device moves rapidly.Sound and light of alarm, when the signal data of MQ-4 and the collection of burning things which may cause a fire disaster sensor exceedes the threshold value that single-chip microcomputer sets, corresponding indicator lamp will be lighted, the alarm warning that pipes simultaneously.Multistage fan speed regulation function, the detection by MQ-4 to environmental gas concentration, the judgement of single-chip microcomputer, controls the startup of blower fan.Crystal display, in the time that controller normally moves work, will the running state information of display controller and the state of real-time parameter and actuating unit action on LCDs.
No matter controller of the present invention is in reliability, security, or form many aspects such as control method, working method, job site, volume, weight, equipment debugging of feature, the enforcement of device, that large-scale monitoring system is incomparable, and because single-chip microcomputer Operation and Maintenance is simple, reduce the requirement to operating personnel's professional knowledge, be conducive to the popularization of system.
The above is only to preferred embodiments of the present invention, not the present invention is done to any pro forma restriction, any simple modification that every foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (4)
1. a wireless network oil gas explosion suppression control unit, is characterized in that: be made up of master system, lower computer system and the power module group to master system, lower computer system power supply, master system is by wireless connections lower computer system;
Described master system comprises host computer MCU control chip (101), host computer MCU control chip (101) connects respectively burning things which may cause a fire disaster detecting sensor (102), gas sensor (103), one-level fan (104), secondary fan (105), host computer audible alarm module (106), host computer alarm lamp (107), AD modular converter (108), explosion suppression device (109), host computer wireless module (110), described power module group connects respectively host computer MCU control chip (101), burning things which may cause a fire disaster detecting sensor (102), gas sensor (103), one-level fan (104), secondary fan (105), host computer audible alarm module (106), host computer alarm lamp (107), AD modular converter (108), explosion suppression device (109) and host computer wireless module (110), give the each module for power supply of host computer,
Described lower computer system comprises slave computer MCU control chip (201), slave computer MCU control chip (201) connects respectively slave computer wireless module (202), LCD MODULE (203), independent key-press module (204), slave computer audible alarm module (205) and slave computer alarm lamp (206), described power module group connects respectively slave computer MCU control chip (201), slave computer wireless module (202), LCD MODULE (203), independent key-press module (204), slave computer audible alarm module (205) and slave computer alarm lamp (206), give the each module for power supply of slave computer.
2. according to a kind of wireless network oil gas explosion suppression control unit described in claim 1, it is characterized in that: described power module group comprises main power source (301), the 12V delivery outlet of main power source (301) connects respectively 12V and turns 5V power module (302) and stand-by power supply (303), and the 5V delivery outlet connection 5V that 12V turns 5V power module (302) turns 3.3V power module (304).
3. according to a kind of wireless network oil gas explosion suppression control unit described in claim 1, it is characterized in that: described host computer MCU control chip (101) and slave computer MCU control chip (201) model are STC89C52RC single-chip microcomputer.
4. according to a kind of wireless network oil gas explosion suppression control unit described in claim 1, it is characterized in that: described host computer wireless module (110) and slave computer wireless module (202) model are nRF905.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19643920A1 (en) * | 1995-11-01 | 1997-05-07 | Mesin Ag | Gas monitor for toxic or combustible gases |
| JP2007065711A (en) * | 2005-08-29 | 2007-03-15 | Jfe Engineering Kk | Fire detecting/extinguishing system in flammable material reservoir pit |
| JP2007279790A (en) * | 2006-04-03 | 2007-10-25 | Sharp Corp | Radio equipment for automatic meter reading |
| FR2947732A1 (en) * | 2009-07-08 | 2011-01-14 | Desautel | Fire fighting system for use in crude oil/fuel deposit framework in e.g. offshore platform, has communication units having direct connection and communication network and connected between sensor and corresponding control unit |
| US20110248857A1 (en) * | 2010-04-12 | 2011-10-13 | Heath Consultants, Inc. | Smart methane monitor |
| CN202916938U (en) * | 2012-11-09 | 2013-05-01 | 百年金海安防科技有限公司 | Intelligent fire-fighting monitoring system for dangerous chemical production field |
| CN103745552A (en) * | 2013-12-25 | 2014-04-23 | 广西科技大学 | Automatic fire alarm system |
| CN103839361A (en) * | 2012-11-26 | 2014-06-04 | 西安奥赛福科技有限公司 | Wireless fire detector |
| CN203644189U (en) * | 2013-11-14 | 2014-06-11 | 中国人民武装警察部队工程大学 | An oil gathering station wireless safety monitoring system |
| CN203915838U (en) * | 2014-06-19 | 2014-11-05 | 西安科技大学 | A kind of wireless network oil gas explosion suppression control unit |
-
2014
- 2014-06-19 CN CN201410275701.6A patent/CN104043214B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19643920A1 (en) * | 1995-11-01 | 1997-05-07 | Mesin Ag | Gas monitor for toxic or combustible gases |
| JP2007065711A (en) * | 2005-08-29 | 2007-03-15 | Jfe Engineering Kk | Fire detecting/extinguishing system in flammable material reservoir pit |
| JP2007279790A (en) * | 2006-04-03 | 2007-10-25 | Sharp Corp | Radio equipment for automatic meter reading |
| FR2947732A1 (en) * | 2009-07-08 | 2011-01-14 | Desautel | Fire fighting system for use in crude oil/fuel deposit framework in e.g. offshore platform, has communication units having direct connection and communication network and connected between sensor and corresponding control unit |
| US20110248857A1 (en) * | 2010-04-12 | 2011-10-13 | Heath Consultants, Inc. | Smart methane monitor |
| CN202916938U (en) * | 2012-11-09 | 2013-05-01 | 百年金海安防科技有限公司 | Intelligent fire-fighting monitoring system for dangerous chemical production field |
| CN103839361A (en) * | 2012-11-26 | 2014-06-04 | 西安奥赛福科技有限公司 | Wireless fire detector |
| CN203644189U (en) * | 2013-11-14 | 2014-06-11 | 中国人民武装警察部队工程大学 | An oil gathering station wireless safety monitoring system |
| CN103745552A (en) * | 2013-12-25 | 2014-04-23 | 广西科技大学 | Automatic fire alarm system |
| CN203915838U (en) * | 2014-06-19 | 2014-11-05 | 西安科技大学 | A kind of wireless network oil gas explosion suppression control unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075943A (en) * | 2020-09-02 | 2020-12-15 | 北京华益精点生物技术有限公司 | Starting communication device and method for blood glucose meter |
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