CN106053756A - Control system for gas concentration detector - Google Patents
Control system for gas concentration detector Download PDFInfo
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- CN106053756A CN106053756A CN201610329671.1A CN201610329671A CN106053756A CN 106053756 A CN106053756 A CN 106053756A CN 201610329671 A CN201610329671 A CN 201610329671A CN 106053756 A CN106053756 A CN 106053756A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 104
- 230000008054 signal transmission Effects 0.000 claims abstract description 87
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 230000006870 function Effects 0.000 claims description 34
- 230000003993 interaction Effects 0.000 claims description 15
- 238000012795 verification Methods 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 8
- 238000007405 data analysis Methods 0.000 claims description 8
- 230000036541 health Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 24
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 230
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 238000005070 sampling Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 12
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- 230000001276 controlling effect Effects 0.000 description 8
- 239000002274 desiccant Substances 0.000 description 8
- 239000002341 toxic gas Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
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- 238000012360 testing method Methods 0.000 description 3
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- 238000009434 installation Methods 0.000 description 2
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- 239000003345 natural gas Substances 0.000 description 2
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- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/225—Gaseous fuels, e.g. natural gas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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Abstract
The invention relates to the technical field of gas safety detection equipment, and especially relates to a control system for a gas concentration detector. The provided control system is connected to the gas monitoring hardware system of a gas concentration detector through a signal transmission module so as to control the gas monitoring hardware system and receive data information from the gas monitoring hardware system. The control system comprises a circuit control module, which is connected to the gas monitoring hardware system and the signal transmission module and is used to control the work state of the gas monitoring hardware system and the signal transmission module; and an upper computer module, which is connected to the circuit control module through the signal transmission module so as to obtain and analyze the data from the gas monitoring hardware system. The gas concentration in an inspection well can be online monitored in realtime by the control system, moreover, the control system has a precise remote control function, the concentrations of methane and ethane in an inspection well can be monitored at the same time, and the leakage of gas pipeline can be found in time.
Description
Technical field
The present invention relates to gas safety detection equipment technical field, particularly relate to a kind of control for gas concentration detector
System processed.
Background technology
The surrounding of underground gas pipeline is typically soil layer, after combustion gas leaks out from Gas Pipe, can be expanded by soil layer
It is scattered in the space of surrounding.The natural gas leaking that pipeline crack causes typically will not form the jet-stream wind of high pressure, and reveals
Combustion gas can be diffused in adjacent pipeline, and accumulate in the duct and then progressively reach explosion limit, therefore should intentinonally under
The detection of gas in pipelines concentration.
Current pipeline all uses well lid to close, and is isopiestic state in pipeline, and combustion gas can be spread to two ends in pipeline, by
Gradually arrive well head, build up and continue to spread forward.
The complexity arranged in view of monitoring point and the performance of sensor, if by transducer arrangements in-line, executed
Work difficulty is big, and sensor is easily by water logging, and especially in sewage and storm sewer, the maintenance difficulties of sensor is the biggest.
Generally monitoring point is arranged in inspection shaft at present.But Organic substance rots to produce in inspection shaft, on the one hand fuel gas derives from well simultaneously
Raw, mainly methane；On the other hand derive from what gas leakage produced, including methane and ethane, accordingly, it would be desirable to monitor simultaneously
Methane gas and ethane gas are just capable of determining whether it is to have gas pipeline generation gas leakage.
Gas detector is the instrument and meter instrument of a kind of gas leakage Concentration Testing, divides can divide according to occupation mode
For portable and hand-held two kinds, divide according to the principle of sensor and infrared gas detector, pyromagnetic gas can be divided into examine
Survey instrument, electrochemical gas detector, semiconductor-type gas detector and ultraviolet gas detector etc..
These concentration monitors have its advantage, but there is also the most all shortcomings.Such as Patent No. ZL 200420049717.7
Patent in disclose a kind of monitoring system natural gas leaking situation at inspection shaft being monitored and being uploaded leakage information in real time
System, but alarm need to be arranged in inspection shaft, owing in inspection shaft, itself does not has power supply, causes power supply difficulty and the signal of alarm
Transmission difficulty, and be likely at heavy rain alarm device not had by water logging, cause alarm to be scrapped.Therefore, to all of combustion gas
When pipeline is monitored, need road large area excavation paving line to solve power supply and the problem of signal transmission, in actual installation
During the expense of operation the highest and be difficulty with.The patent of Patent No. ZL200920252054.1 discloses one
Aspiration gas detecting system, but this system is not for the gas ductwork Leak Detection based on detection inspection shaft, does not relates to
And signal transfer functions, it is impossible to constitute and burning line in a large area is leaked into the system of row on-line monitoring.The patent No.
For the patent of ZL201010587425.9 discloses a kind of fuel gas multiple spot on-line monitoring based on wireless sensor network
System, is not related in this system sample the gas in inspection shaft, and in gas leakage detecting system based on inspection shaft such as
It is the key point of detecting system that gas is sampled by what.
In addition most detectors does not possess the function of monitoring in real time.
Defect in view of the aforementioned technical background, the invention provides a kind of control system for gas concentration detector.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention there is provided a kind of control system for gas concentration detector, it is possible to root
According to being actually needed selected monitoring point, gas concentration in real time on-line monitoring inspection shaft so that gas-monitoring process is capable of remotely
Control.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of control system for gas concentration detector, should
Control system is connected with the gas-monitoring hardware system of gas concentration detector by signal transmission module, to control described gas
Monitoring hardware system also receives the data message from described gas-monitoring hardware system；
Wherein, this control system includes:
Circuit control module, couples with described gas-monitoring hardware system and signal transmission module respectively, for the most right
The duty of described gas-monitoring hardware system and signal transmission module is controlled；
Upper computer module, is coupled with circuit control module by described signal transmission module, to obtain and to analyze from institute
State the data of gas-monitoring hardware system.
Further, described circuit control module includes control module hardware and control module software, described control module
Software couples with control module hardware, signal transmission module and upper computer module respectively, to be obtained by described signal transmission module
Fetch the data message from gas-monitoring hardware system, and be sent to upper computer module, obtain from upper computer module simultaneously
Data analysis information, and by control module hardware to described gas-monitoring hardware system and the duty of signal transmission module
It is controlled.
Further, described control module hardware includes circuit control panel, described circuit control panel respectively with described gas
Monitoring hardware system and signal transmission module couple, with respectively to described gas-monitoring hardware system and the work of signal transmission module
It is controlled as state.
Further, described control module software includes software section and control circuit, described software section respectively with institute
Stating upper computer module, signal transmission module and control circuit to couple, described control circuit couples with control module hardware.
Further, described software section includes the equipment remote control module coupled respectively with described signal transmission module
And communication center, described equipment remote control module is used for obtaining the control instruction from described upper computer module, and by described
Control instruction sends signal transmission module to；Described communication center is for ensureing the steady of the signal transmission of described signal transmission module
Qualitative and reliability.
Further, described control circuit includes gas-monitoring module, the row coupled respectively with described signal transmission module
Water management module, correction verification module and self-protection module；
Described gas-monitoring module carries out gas for controlling gas-monitoring hardware system by described signal transmission module
Monitoring；
Described draining control module carries out draining for controlling gas-monitoring hardware system by described signal transmission module
Work；
Described correction verification module carries out draining verification for controlling gas-monitoring hardware system by described signal transmission module
Work；
Described self-protection module carries out oneself for controlling gas-monitoring hardware system by described signal transmission module
Protection and early warning work.
Further, described gas-monitoring module includes gas collecting control module, gas treatment control module and gas
Detection control module, described gas collecting control module, the gentle health check-up of gas treatment control module survey control module respectively with institute
State gas-monitoring hardware system to couple；
Described gas collecting control module is used for controlling described gas-monitoring hardware system and carries out gas collecting；
Described gas treatment control module is used for controlling described gas-monitoring hardware system and carries out gas pretreatment；
Described gas detecting control module is used for controlling described gas-monitoring hardware system and carries out gas concentration detection.
Further, described self-protection module includes module time calibration, anti-theft module, lightning-protection module, rainproof module
And dustproof module.
Further, described upper computer module includes data read module, data display memory module, the number being coupled to each other
According to analyzing module and human-computer interaction interface, described data read module is joined with gas-monitoring hardware system by signal transmission module
Connecing, described human-computer interaction interface couples with described circuit control module.
Further, described human-computer interaction interface is also associated with warning function module, described warning function module and circuit
Control module connects.
(3) beneficial effect
The technique scheme of the present invention has the advantages that the control for gas concentration detector of the present invention
System, is connected with the gas-monitoring hardware system of gas concentration detector by signal transmission module, hard to control gas-monitoring
Part system also receives the data message from gas-monitoring hardware system；Wherein, this control system includes: circuit control module,
Couple with gas-monitoring hardware system and signal transmission module respectively, for respectively gas-monitoring hardware system and signal being transmitted
The duty of module is controlled；Upper computer module, is coupled with circuit control module by signal transmission module, to obtain also
Analyze the data from gas-monitoring hardware system.This control system can by circuit control module real time bidirectional obtain from
The data obtained are carried out essence by upper computer module by gas-monitoring hardware system and the data message of signal transmission module simultaneously
Really analyzing and processing, and according to result, control signal is fed back in gas-monitoring hardware system, accurately to control gas prison
The gas collecting surveying hardware system processes detection work, thus realizes gas concentration in real time on-line monitoring inspection shaft, can pass through
Catalysis, the mode such as infrared detect multiple gases, as dense in detected the harmful gass such as methane, ethane, H2S and CO the most simultaneously
Degree, has remote control function accurately, can monitor the methane gas in inspection shaft and ethane gas concentration simultaneously, can real-time judge
Whether there is gas pipeline to occur the situation of leakage to occur, and there is time calibration, antitheft, lightning protection, the practical merit such as rainproof and dust-proof
Can so that gas detecting process is more safe and reliable.
Accompanying drawing explanation
Fig. 1 is the block schematic illustration of the gas detecting hardware system of the gas concentration detector of the embodiment of the present invention；
Fig. 2 is the structural representation of the gas detecting hardware system of the gas concentration detector of the embodiment of the present invention；
Fig. 3 is the structural representation of the gas collecting passage of the embodiment of the present invention；
Fig. 4 is the block schematic illustration of the control module hardware of the embodiment of the present invention；
Fig. 5 is the block schematic illustration of the control module software of the embodiment of the present invention；
Fig. 6 is the block schematic illustration of the control circuit of the embodiment of the present invention；
Fig. 7 is the block schematic illustration of the upper computer module of the embodiment of the present invention；
Fig. 8 is the signal transport frame figure of the control system of the embodiment of the present invention；
Fig. 9 is the circuit control framework figure of the circuit control module of the embodiment of the present invention.
Reference in each accompanying drawing is as follows above:
100, gas collecting module；200, gas pretreatment module；300, power plant module；400, drain module；500, gas
Body detection module；600, signal transmission module；
1, electromagnetic valve；1-1, gas sampling assembly；1-2, filter ball；2, the 3,4, first vapor sensor；5, the second aqueous vapor
Sensor；6,7,8, moisture separator；9,10,11, check-valves；12, desiccant；13, air pump；14, draining pump；15, rotor
Effusion meter；16, combustible/toxic gas sensor；17, electronic flowmeter；18, signal transceiver；19, threeway；20, discharge outlet；
21, air vent；22, explosion-proof tank；
700, circuit control module；710, circuit control panel；720, power supply；730, software section；731, equipment is remotely controlled
Molding block；732, communication center；740, control circuit；741, gas-monitoring module；741-1, gas collecting control module；741-
2, gas treatment control module；741-3, gas detecting control module；742, draining control module；743, correction verification module；744、
Self-protection module；744-1, module time calibration；744-2, anti-theft module；744-3, lightning-protection module；744-4, rainproof module；
744-5, dustproof module；
800, upper computer module；810, data read module；820, data display memory module；830, data analysis mould
Block；840, human-computer interaction interface；841, warning function module.
Detailed description of the invention
With embodiment, embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.Following example are used for
The present invention is described, but can not be used for limiting the scope of the present invention.
In describing the invention, except as otherwise noted, " multiple " are meant that two or more.Term " on ",
Orientation or the position relationship of the instruction such as D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", " afterbody " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
The device or the element that show indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second ", " the 3rd " etc. be only used for describe purpose, and it is not intended that instruction or
Hint relative importance.
The gas concentration detector that the present embodiment provides includes gas-monitoring hardware system, signal transmission module 600 and control
System processed, described control system is connected with gas-monitoring hardware system by signal transmission module 600, hard to control gas-monitoring
Part system also receives the data message from gas-monitoring hardware system, and in the present embodiment, gas-monitoring hardware system includes: gas
Body acquisition module 100, gas pretreatment module 200, power plant module 300, drain module 400 and gas detection module 500, this gas
Bulk concentration detector can select monitoring point, gas concentration in real time on-line monitoring inspection shaft according to actual needs, has intelligence and adopts
Sample, aqueous vapor separate, flow monitoring controls, drain function, and have remote control function, can monitor the methane gas in inspection shaft simultaneously
Whether body and ethane gas and the concentration of other multiple flammable/toxic gas, real-time judge can have gas pipeline that leakage occurs
Situation occurs.
As depicted in figs. 1 and 2, gas collecting module 100 includes electricity to the structure of the gas-monitoring hardware system of the present embodiment
The gas collecting passage of magnet valve 1 and multi-channel parallel, each gas collecting passage can gather gas respectively from each corresponding inspection shaft
Body, and each gas collecting passage all connects with electromagnetic valve 1, can control each gas collecting passage respectively by electromagnetic valve 1
Opening and closing such that it is able to select monitoring point according to actual needs, control to be arranged on the gas collecting channel acquisition gas of this monitoring point
Body.
Gas pretreatment module 200 can be entered evenly and rapidly by the gas collecting passage of multi-channel parallel in order to ensure gas
In, the preferably gas collecting passage of multi-channel parallel is all connected by the inlet end of air inlet with gas pretreatment module 200；Gas
The structure of acquisition channel is as it is shown on figure 3, the inlet end of gas collecting passage is provided with gas sampling assembly 1-1, gas sampling assembly
1-1 is correspondingly arranged in inspection shaft, so that gas in inspection shaft enters gas collecting passage via this gas sampling assembly 1-1 at this
In, the gas collecting passage between gas sampling assembly 1-1 and electromagnetic valve 1 is additionally provided with filter ball 1-2, adopts with preliminary filtration
The gas that collection arrives；The preferably inlet end of gas sampling assembly 1-1 is arranged in inspection shaft, by the inlet end of gas sampling assembly 1-1
It is respectively placed in the top of the inspection shaft needing monitoring, and drainage screen is set on the inlet end of gas sampling assembly 1-1, ask with filtration
1-2 coordinates collection and filters the toxic and harmful in inspection shaft.
In the present embodiment, gas pretreatment module 200 is for carrying out pretreatment to the gas in the inspection shaft collected, preferably
Connected by pipeline between gas pretreatment module 200 with gas collecting module 100.This gas pretreatment module 200 include with
The gas treatment passage of gas collecting block coupled in series, gas treatment passage is parallel with by least one moisture separator 6,7,8
Drain module 400.
In the present embodiment, preferably gas treatment passage is provided with three moisture separators 6,7,8, three moisture separators 6,
7, being in series with the first vapor sensor 2,3,4 between 8 the most respectively, 6,7,8 and three the first aqueous vapors of i.e. three moisture separators pass
Sensor 2,3,4 serial communication and being arranged alternately, the most progressively to sense the water in the gas by three moisture separators 6,7,8
Divide content；The water inlet of the water export of three moisture separators 6,7,8 parallel communication drain module 400 respectively.
For the ease of the smooth and easy discharge of energy of isolated aqueous water, in the present embodiment, drain module 400 includes serial communication
Second vapor sensor 5 and draining pump 14, the second vapor sensor 5 is used for monitoring whether moisture trap 6,7,8 carries out draining
And detection displacement, the second vapor sensor 5 is connected with the water export of moisture separator 7,8 by check-valves 9,10 respectively,
Liquid countercurrent during to prevent draining, affects the normal work of moisture separator 6,7,8, and draining pump 14 is communicated with discharge outlet 20, with
Aqueous water in current treatment channel is discharged from discharge outlet 143.
The moisture separator 6,7,8 of the present embodiment can receive signal in control system and send out for gas-monitoring hardware system
Carry out draining during cloth signal instruction, to realize the purpose of protective gas detection module 500, thus effectively protect this gas concentration
Detector.
In order to ensure the follow-up gas detection module 500 accuracy to gas detecting, the gas pretreatment of the present embodiment
Module 200 also includes desiccant 12, is connected with the gas outlet of moisture separator 8 even by check-valves 11 in one end of desiccant 12
Logical, i.e. the inlet end of desiccant 12 is connected with the gas outlet of the moisture separator 8 being arranged on last by check-valves 11,
So that gas dehydration after is further dried, arranging of check-valves 11 can effectively prevent back flow of gas；Desiccant 12 is excellent
Choosing can be made up of multiple materials such as silica gel.
The other end serial communication power plant module 300 of desiccant 12, power plant module 300 is used for as this gas concentration detector
In gas flowing power is provided, power plant module 300 includes but not limited to air pump, it is also possible to can be gas in pipeline for other
Body flowing provides the device of power, and in the present embodiment, preferably power plant module 300 is made up of air pump 13, the two ends of air pump 13
Connect with gas pretreatment module 200 and gas detection module 500 respectively.
In the present embodiment, gas detection module 500 is connected by power plant module 300 with gas pretreatment module 200, is used for
Gas after separating aqueous vapor carries out gas concentration detection, and the gas data information detected is transferred to control system.Gas
Body detection module 500 includes that two detection branch of parallel connection, two detection branch are connected in series power mould by threeway 19 respectively
Block 300, wherein a detection branch is connected in series with spinner flowmeter 15, combustible/toxic gas sensor 16, electronic flowmeter
17 and air vent 21, threeway 19 is directly connected with air vent 21 by another detection branch by pipeline；Flammable/toxic gas passes
Sensor 16 couples with the signal transceiver 18 of signal transmission module 600, so that the data of the flammable/toxic gas of detection are passed through letter
Number transceiver 18 is transferred to signal transmission module 600, is then further transmitted to control system.
In the present embodiment, the inlet end of the air pump 13 of power plant module 300 and the outlet side of desiccant 12 are by pipeline phase
Connection, air pump 13 is preferably electrodynamic type asepwirator pump or membrane pump, for being carried according to default flow velocity by the gas in inspection shaft
To spinner flowmeter 15 and electronic flowmeter 17；Spinner flowmeter 15 and electronic flowmeter 17 cooperate, and are possible not only to detection
Gas flow can also control gas flow, and wherein, spinner flowmeter 15 is by gas transmission to poisonous/combustible gas sensor
16, utilize poisonous/combustible gas sensor 16 that gas concentration is detected.
In the present embodiment, as shown in Fig. 4～Fig. 8, control system includes circuit control module 700 and upper computer module 800；
Circuit control module 700 respectively with gas collecting module 100, gas pretreatment module 200, drain module 400, gas detecting mould
Block 500 and signal transmission module 600 couple；Upper computer module 800 is by signal transmission module 600 and circuit control module 700
Coupling, upper computer module 800 receives, by signal transmission module 600, the gas data information that gas-monitoring hardware system transmits,
And data are analyzed storage, utilize circuit control module 700 that gas-monitoring hardware system is controlled simultaneously.
In the present embodiment, circuit control module 700 includes control module hardware and control module software, circuit control module
The circuit control structure of 700 as it is shown in figure 9, control module software respectively with control module hardware, signal transmission module 600 and on
Position machine module 800 couples, and to be obtained the data message from gas-monitoring hardware system by signal transmission module 600, and passes
Deliver to upper computer module 800, obtain the data analysis information from upper computer module 800 simultaneously, and by control module hardware
The duty of gas-monitoring hardware system and signal transmission module 600 is controlled.
As shown in Figure 4, control module hardware includes circuit control panel 710 and power supply 720, circuit control panel 710 respectively with
Gas collecting module 100, gas pretreatment module 200, drain module 400, gas detection module 500 and signal transmission module
600 couple, to be controlled the duty of gas-monitoring hardware system and signal transmission module 600 respectively.
As it is shown in figure 5, control module software includes software section 730 and control circuit 740, software section 730 respectively with
Upper computer module 800, signal transmission module 600 and control circuit 740 couple, and control circuit 740 couples with control module hardware；
Software section 730 includes equipment remote control module 731 and the communication center 732 coupled respectively with signal transmission module 600, if
Standby remote control module 731 is connected with the human-computer interaction interface 840 of upper computer module 800, have passed through in upper computer module 800 and believes
Number reading, show, store and analyze, operation controllers just can by human-computer interaction interface 840 to equipment send instruct,
After input instruction, equipment remote control module 731 is then believed to gas-monitoring hardware sending action by signal transmission module 600
Number, communication center 732 ensures stable signal transmission and the center of reliability as one, plays during signal transmits
Crucial effect.Under the effect of control circuit 740, equipment is after receiving the signal that signal transmission module 731 is sent, smart
True carries out corresponding action, completes to operate the command adapted thereto that controllers is assigned.
Gas-monitoring module 741 that as shown in Figure 6, control circuit 740 includes coupling with signal transmission module 600 respectively,
Draining control module 742, correction verification module 743 and self-protection module 744, gas-monitoring module 741 includes gas collecting control
Module 741-1, gas treatment control module 741-2 gentle health check-up survey control module 741-3, gas collecting control module 741-1,
The gentle health check-up of gas treatment control module 741-2 survey control module 741-3 respectively with gas collecting module 100, gas pretreatment
Module 200 and gas detection module 500 couple；Draining control module 742 couples with drain module 400；Self-protection module 744
Including module 744-1 time calibration, anti-theft module 744-2, lightning-protection module 744-3, rainproof module 744-4 and dustproof module 744-
5。
After a period of time is not started working or worked to gas detection module 500, in order to ensure that gas concentration detects
Instrument can normally and high precision work, it is necessary to verifies gas detection module 500.At the shape that electromagnetic valve 1 is opened
Under state, allow multiple gas sampling assembly 1-1 open successively and to work, and unlatching needs certain interval of time, at air pump every time
Under the effect of 13, gas after gas detection module 500 completes gas detection function, close multiple gas sampling assembly 1-1 and
Air pump 13；Opening water discharge module 400 and draining pump 14 simultaneously, under the effect of draining pump 14, gas passes sequentially through three water
Gas separating device 6,7,8 enters in drain module 400, when the second vapor sensor 5, if now the second vapor sensor 5
The signal having liquid can be detected in pipeline, then the second vapor sensor 5 is remotely controlled to equipment by signal transmission module 600
Module 731 and correction verification module 743 transmit the information of signal change, and under the control of circuit, equipment remote control module 731 then leads to
Oversampling circuit panel control drain module 400 start the most again while emptying water on checking routine once, in school each time
During testing program, the message that the second vapor sensor 5 can change each signal is transferred to equipment remote control module 731
With correction verification module 743, until the second vapor sensor 5 can't detect the signal of current, i.e. ensure three moisture separators 6,
7, the water in 8 drains only, then this time verification terminates.Verification terminates, and shows to carry out the detection program of gas, i.e. gas detecting
Module 500 can normally work.
In self-protection module 744, in order to realize the self-protection function of system, and in real time to equipment remote control module
The duty of 731 reporting facilitys, first vapor sensor the 2,3,4 and second vapor sensor 5 and electronic flowmeter 17 need
Transmitted oneself data and duty in real time by signal transmission module 600 to equipment remote control module 731, and pass through
Control circuit 740 obtains the instruction from equipment remote control module 731.
In time calibration module 744-1, during gas concentration detects, due to gas flowing, process and purify
Needing the regular hour, air-flow is by the time of multipath gas acquisition channel air inlet with by signal transmission module 731 conveying gas
It is poor, at equipment remote control module 731 to there is the regular hour to time of equipment remote control module 731 in the data of bulk concentration
After receiving the concentration data of surveyed gas, by control circuit 740 to reach the function of time renewal, thus ensure to be measured
Gas concentration data and the concordance of time, reach to detect in time the purpose of gas concentration in inspection shaft, and then according to gas
Concentration data information judges whether gas pipeline is revealed.
In anti-theft module 744-2, in order to ensure the anti-theft feature of this gas concentration detector, this gas concentration detector
Gas-monitoring hardware system integral installation, in an explosion-proof tank 22, uses mechanical stroke switch, is used for detecting explosion-proof tank 22
The position of integrated chamber door and opening and closing, when chamber door is opened, switch can transmit a signal to equipment remote control module in time
731, it is achieved the early warning when integral box or internal components are stolen, reach antitheft function.
The lightning protection function of lightning-protection module 744-3 belongs to the function that carries of equipment, thunder and lightning and the moment of large electric equipment
Overvoltage can pass through the most frequently the circuit such as power supply, antenna, radio signal transceiver invade indoor electric equipment and
The network equipment, causes equipment or component damage, casualties, and the data transmitted or store are interfered or lose, and even make
Electronic equipment produces misoperation or temporary transient paralysis, system-down, and data-transmission interruptions, LAN or even wide area network are destroyed.
Equipment is connected with the earth by wire, it is possible to effectively avoid above infringement, it is achieved the self-protection of equipment.
In rainproof module 744-4, can be with widely used original intention based on this kind of equipment, it is contemplated that equipment may be met in using
The complicated severe weather conditions arrived, this equipment also has rainproof function, belongs to the function that carries of equipment, device integration system phase
To sealing, there is water proofing property, related electric equipment and circuit board and carry out anti-water management, rainfall do not interfere with gas sampling and
The process of detection, does not interferes with the transmission of signal and the acceptance of order yet.
What the dust reduction capability of dustproof module 744-5 fell within equipment carries function, is provided with anti-in the side of explosion-proof tank 22
Dirt net, makes this equipment have good sealing and thermal diffusivity, it is ensured that dust will not enter in integrated equipment, and dust reduction capability is
Basic demand to equipment.
As it is shown in fig. 7, upper computer module 800 includes data read module 810, the data display memory module being coupled to each other
820, data analysis module 830 and human-computer interaction interface 840, data read module 810 is by signal transmission module 600 and gas
Monitoring system couples, and human-computer interaction interface 840 couples with equipment remote control module 731；Human-computer interaction interface is also associated with pre-
Alert functional module 841, warning function module 841 couples with self-protection module 744.
Upper computer module 800, i.e. can directly send the computer of manipulation order, can on the screen of upper computer module 800
To demonstrate gas concentration and the data of acquisition time of the gas sampling assembly collection of each road, and during modules work, the
One vapor sensor the 2,3,4 and second vapor sensor 5 and the signal intensity situation of electronic flowmeter 17.Upper computer module
800 major functions comprised have: receive the signal message of signal transmission module 600, carry out the reading of signal data, show and deposit
Storage, carries out the analysis of data, carrys out starting device remote control module 731 action by human-computer interaction interface 840 and pass through early warning
Functional module 841 carries out warning function.After signal transmission module 600 receives coherent signal, by the reading of data, deposit
Storage, just can demonstrate the concentration data of gas and gas signal and water-flow signal on the screen of upper computer module 800
Mutually transitional information, determines next step action and instruction by data analysis, includes whether to start air pump 13 and row
Air pump 14 and selection start gas detection function or drain function.Through data analysis, after drawing corresponding conclusion, make
The human-computer interaction interface 840 transmitting, exchanging information media and dialog interface between behaviour and computer is then remotely controlled by equipment
Molding block 731 controls next step action and the realization of function of equipment, and then equipment remote control module 731 then passes through signal
Transport module 600, to the signal of corresponding equipment sending action, instructs next step action of equipment.Meanwhile, remotely control when equipment
Molding block 731 receives the mechanical stroke chamber door sent of switch and is opened, when i.e. integrated equipment is in the signal of abnormality,
Human-computer interaction interface 840 can directly initiate warning function module 841, reaches timely early warning the purpose fixed a breakdown.Cause
This, the process of whole signal transmission is actually the process of a feedback, and signal transmission module 600 then plays links up and tie
Effect.
As shown in Figure 8, the solid arrow in figure is output side signal to, dotted arrow to the signal transmission structure of the present embodiment
Feed back direction for signal, be respectively present two-way between upper computer module 800, signal transmission module 600 and circuit control panel 710
Data signal transmission stream, circuit control panel 710 and gas collecting module 100, power plant module 300, drain module 300 and power supply
It is respectively present two-way data signal transmission stream between 720, and gas pretreatment module 200 and gas detection module 500 are respectively
And there is unidirectional data signal output stream between circuit control panel 710.
The present embodiment also proposed the control method of gas concentration detector as above, comprises the following steps:
S1, gather the gas in each inspection shaft respectively by the gas collecting passage of multi-channel parallel；
S2, by gas pretreatment module to gather gas carry out gas-water separation pretreatment；
S3, by gas detection module 500, pretreated gas is detected, to obtain the data message of gas；
S4, data message by control system analysis gas, to judge whether gas pipeline leaks；
S5, shown judged result by control system, and it is pre-to adjust gas collecting module 100, gas according to judged result
Processing module 200 and gas detection module 500.
Concrete, when using this gas concentration detector to carry out gas detection function, it is first turned on gas-monitoring hardware
System and the power supply of control system, module 743 to be verified terminates checking routine, and the signal that can normally be worked by equipment is by letter
After number transport module 600 is transferred to equipment remote control module 731, equipment remote control module 731 is i.e. controlled by circuit
Plate 710 order air pump 13 is in negative pressure duty, gathers the gas in inspection shaft in gas collecting module 100 extend into inspection shaft
Body, air-flow to be measured can sequentially pass through gas sampling assembly 1-1, filter and ask 1-2 and the electromagnetic valve 1 controlled by circuit to enter gas
In acquisition module 100, by circuit control, multipath electrovalve 1 possesses the free handoff functionality of multi-channel sampling mouth.In gas pretreatment
In module 200, air-flow is flowing through the mistake of three moisture separators 6,7,8 being under low discharge and low-pressure state normal work
Cheng Zhonghui removes the liquid moisture in air-flow, and under the control of circuit, the first water flow sensing unit 2,3,4 is transmitted by signal respectively
Module 600 keeps and the data exchange of equipment remote control module 731 at any time, to reach air-flow through the second water flow sensing unit 5
Shi Chengfen there is no the purpose of liquid moisture, it is achieved automatically cut off gas pretreatment module when the second water flow sensing unit 5 is intake
The function of gas treatment passage, and time anhydrous, keep the function that the pipeline of gas treatment passage is unimpeded.
In gas treatment passage, gas to be measured removes moisture in check-valves 11 enters desiccant 12 further, afterwards
Abundant dewatered air-flow then enters in gas detection module 500, controls to flow through the gas of pipeline by spinner flowmeter 15
Body flow is to meet suitable range, and flow then can be monitored by electronic flowmeter 17, spinner flowmeter 15 and electron stream
Gauge 17 passes through signal transmission module 600 respectively to equipment remote control module 731 delivery flow rate data under the control of circuit.
Then, the gas of certain flow passes through combustible/toxic gas sensor 16, carries out the toxic and harmful concentration such as methane and ethane
Test, to reach the purpose of combustion gas Concentration Testing in inspection shaft, meanwhile, combustible/toxic gas sensor 16 and signal transceiver
18 connect, and can be transmitted the concentration data of gas under the control of circuit to control system by signal transmission module 600, and
The kind of gas, concentration and time are carried out one_to_one corresponding；Gas after detection is discharged the detection of this gas concentration by air vent 21
Instrument.
When gas detection module 500 is intake, when i.e. gas detection function can not normally realize, equipment remote control module
731 in receiving the second vapor sensor 5 with the presence of the signal of moisture after, can by circuit control module 700 order take out
Air pump 13 cuts out, and order draining pump 14 is opened simultaneously, and simultaneously closes off multipath gas acquisition channel by electromagnetic valve 1；Row
Under the effect of water pump 14, gas sequentially passes through three moisture separators 6,7,8, the water will deposited in three moisture separators 6,7,8
It is respectively pressed in drain module 400, after check-valves the 9,10 and second vapor sensor 5, discharge outlet 20 discharges.
It should be noted that between gas detection module 500 and signal transmission module 600 and signal transmission module 600
And can be connected by communication between control system, include but not limited to wired, wireless, 3G signal, 4G signal with
And the communication such as GDB network schemer.
In sum, the control system for gas concentration detector of the present invention of the present embodiment, transmitted by signal
Module 600 is connected with the gas-monitoring hardware system of gas concentration detector, to control gas-monitoring hardware system and to receive
Data message from gas-monitoring hardware system；Wherein, this control system includes: circuit control module 700, supervises with gas respectively
Survey hardware system and signal transmission module 600 to couple, for respectively to gas-monitoring hardware system and signal transmission module 600
Duty is controlled；Upper computer module 800, is coupled with circuit control module 700 by signal transmission module 600, to obtain
Take and analyze the data from gas-monitoring hardware system.This control system can be obtained by circuit control module real time bidirectional
From gas-monitoring hardware system and the data message of signal transmission module 600, simultaneously by upper computer module 800 to acquisition
Data carry out Accurate Analysis process, and feed back in gas-monitoring hardware system according to result by control signal, with accurately
The gas collecting controlling gas-monitoring hardware system processes detection work, thus in realizing real time on-line monitoring inspection shaft, combustion gas is dense
Degree, can detect multiple gases, as detected methane, ethane, H the most simultaneously by catalysis, the mode such as infrared2S and CO
Deng harmful gas concentration, there is remote control function accurately, the methane gas in inspection shaft can be monitored simultaneously and ethane gas is dense
Whether degree, real-time judge can have gas pipeline to occur the situation of leakage to occur, and have time calibration, antitheft, lightning protection, rainproof and
The utilitarian function such as dust-proof so that gas detecting process is more safe and reliable.
Embodiments of the invention are given for example with for the sake of describing, and are not exhaustively or by this
Bright it is limited to disclosed form.Many modifications and variations are apparent from for the ordinary skill in the art.Choosing
Selecting and describe embodiment is in order to the principle of the present invention and actual application are more preferably described, and makes those of ordinary skill in the art
It will be appreciated that the present invention thus design is suitable to the various embodiments with various amendments of special-purpose.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.For this
For the those of ordinary skill in field, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
In flow chart or at this, any process described otherwise above or method description are construed as expression and include
One or more is for realizing the module of code, fragment or the portion of the executable instruction of the step of specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not by shown or discuss suitable
Sequence, including according to involved function by basic mode simultaneously or in the opposite order, performs function, and this should be by the present invention
Embodiment person of ordinary skill in the field understood.
Claims (10)
1. the control system for gas concentration detector, it is characterised in that this control system passes through signal transmission module
It is connected with the gas-monitoring hardware system of gas concentration detector, to control described gas-monitoring hardware system and to receive from institute
State the data message of gas-monitoring hardware system；
Wherein, this control system includes:
Circuit control module, couples with described gas-monitoring hardware system and signal transmission module respectively, for respectively to described
The duty of gas-monitoring hardware system and signal transmission module is controlled；
Upper computer module, is coupled with circuit control module by described signal transmission module, to obtain and to analyze from described gas
The data of body monitoring hardware system.
Control system the most according to claim 1, it is characterised in that described circuit control module includes control module hardware
With control module software, described control module software joins with control module hardware, signal transmission module and upper computer module respectively
Connect, to obtain the data message from gas-monitoring hardware system by described signal transmission module, and be sent to host computer mould
Block, obtains the data analysis information from upper computer module simultaneously, and by control module hardware to described gas-monitoring hardware
The duty of system and signal transmission module is controlled.
Control system the most according to claim 2, it is characterised in that described control module hardware includes circuit control panel,
Described circuit control panel couples with described gas-monitoring hardware system and signal transmission module respectively, to supervise described gas respectively
The duty surveying hardware system and signal transmission module is controlled.
Control system the most according to claim 2, it is characterised in that described control module software includes software section and control
Circuit processed, described software section couples with described upper computer module, signal transmission module and control circuit respectively, described control electricity
Road couples with control module hardware.
Control system the most according to claim 4, it is characterised in that described software section includes passing with described signal respectively
The equipment remote control module of defeated module connection and communication center, described equipment remote control module is for obtaining from described
The control instruction of position machine module, and send described control instruction to signal transmission module；Described communication center is used for ensureing institute
State stability and the reliability of the signal transmission of signal transmission module.
Control system the most according to claim 4, it is characterised in that described control circuit includes passing with described signal respectively
Gas-monitoring module, draining control module, correction verification module and the self-protection module that defeated module couples；
Described gas-monitoring module carries out gas-monitoring for controlling gas-monitoring hardware system by described signal transmission module
Work；
Described draining control module carries out drainage works for controlling gas-monitoring hardware system by described signal transmission module；
Described correction verification module carries out draining verifying work for controlling gas-monitoring hardware system by described signal transmission module；
Described self-protection module carries out self-protection for controlling gas-monitoring hardware system by described signal transmission module
Work with early warning.
Control system the most according to claim 6, it is characterised in that described gas-monitoring module includes gas collecting control
Control module, described gas collecting control module, gas treatment control module are surveyed in module, the gentle health check-up of gas treatment control module
Gentle health check-up is surveyed control module and is coupled with described gas-monitoring hardware system respectively；
Described gas collecting control module is used for controlling described gas-monitoring hardware system and carries out gas collecting；
Described gas treatment control module is used for controlling described gas-monitoring hardware system and carries out gas pretreatment；
Described gas detecting control module is used for controlling described gas-monitoring hardware system and carries out gas concentration detection.
Control system the most according to claim 6, it is characterised in that described self-protection module includes mould time calibration
Block, anti-theft module, lightning-protection module, rainproof module and dustproof module.
9. according to the control system described in any one of claim 1-8, it is characterised in that described upper computer module includes interconnecting mutually
Data read module, data display memory module, data analysis module and human-computer interaction interface, the described data read module connect
Being coupled with gas-monitoring hardware system by signal transmission module, described human-computer interaction interface joins with described circuit control module
Connect.
Control system the most according to claim 9, it is characterised in that described human-computer interaction interface is also associated with early warning merit
Energy module, described warning function module is connected with circuit control module.
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Application publication date: 20161026 Assignee: HEFEI ZEZHONG CITY INTELLIGENT TECHNOLOGY Co.,Ltd. Assignor: BEIJING INSTITUTE OF TECHNOLOGY Contract record no.: X2022990000756 Denomination of invention: A control system for gas concentration detector Granted publication date: 20180824 License type: Common License Record date: 20220930 |
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