CN104599446A - Dangerous gas intelligent monitoring and emergency early warning system - Google Patents
Dangerous gas intelligent monitoring and emergency early warning system Download PDFInfo
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- CN104599446A CN104599446A CN201510045948.3A CN201510045948A CN104599446A CN 104599446 A CN104599446 A CN 104599446A CN 201510045948 A CN201510045948 A CN 201510045948A CN 104599446 A CN104599446 A CN 104599446A
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Abstract
The invention relates to a dangerous gas intelligent monitoring and emergency early warning system. A plurality of gas detectors (1) are arranged at the periphery of a dangerous gas pipeline or a storage device; the plurality of gas detectors (1) are networked by wireless Wi-Fi and are connected with a control terminal computer; the dangerous gas intelligent monitoring and emergency early warning system is characterized in that the control terminal computer is used for determining the position of a dangerous gas leaking point according to self position data and dangerous gas triggering time data, which are transmitted by the at least three gas detectors (1) which firstly detect dangerous gas leakage.
Description
Technical field
The present invention relates to a kind of hazardous gas intelligent monitoring and emergency warning system.
Background technology
Along with developing rapidly of industry, the place of human contact's toxic and harmful gets more and more, cause the harm of the mankind itself increasing thus, as NH3, H2S, CO2, CO etc. are modal harmful gases in air, harm can be produced to respiratory system during low concentration, people's stupor can be caused during high concentration until dead.Each intoxication accident, what people were regained consciousness recognizes the importance protecting mankind itself's safety while developing industry.Inflammable gas such as rock gas, liquefied petroleum gas (LPG), coal gas, methane, hydrogen, gasoline gas etc. easily touch flare in atmosphere in addition, and meet naked light generation blast after reaching finite concentration, very easily initiation fire even explosive incident.Therefore various harmful, inflammable gas detector gradually become industrial safety produce in requisite safeguard.Gas detecting instrument in the market utilizes data line to transmit, be difficult to even cannot use in the place not possessing wiring condition, and general portable gas detecting instrument stand-by time is inadequate, be difficult to use in the place worked long hours, and networking can not realize the cooperation of large-scale region to reach large area, the transmission of safe and reliable data at random.
Wireless gas detection technology is the technique direction of monitoring field advanced person.Studied both at home and abroad, the showing great attention to of industry mechanism and tissue.Wireless detection of gas technology starts more to be applied to Science and engineering research, and external Duo Jia mechanism utilizes its learning gas analysis, as Heidelberg, Germany university, Stanford Univ USA etc.Some instrument companies of developed country also start wireless detection of gas technology to be applied to gas-monitoring.Such as Finland VAISALA company, day intrinsic safety found company etc. and be proposed the monitoring instruments such as gas, Canadian BOREAL LASER company.Developed countries utilizes the practical application of detection of gas technology at present, and be only limitted to the non-online occasion use of instrument, instrument, not yet large-scale production is based on the on-line monitoring equipment of wireless detection of gas.
Domestic Project Technical Development Status: domestic existing 2 ~ 3 research units or company at present, this chip external is have purchased by special channel, manufacture some portable gas detector devices on a small scale, not yet find that there is the online monitoring equipment producer of extensive manufacture and research unit at present.
1, both at home and abroad gas detecting instrument and detection system cannot provide accurate instruction to Leakage Gas point, and the most effective treating method of the accurate direction prompting that the personnel that also just cannot provide withdraw and equipment failure is pointed out.
2, gas detecting instrument cannot indicate leakage point and direction to field staff both at home and abroad.
3, status both at home and abroad, current wireless gas detecting instrument is only limitted to hand-held random detection, stand-by time 4-5 hour, can not meet the time of practical work needs, can not reach the object of 24 hours Real-Time Monitorings.
4, only provide data message, do not have video data, can not MANET.
Summary of the invention
The present invention devises a kind of hazardous gas intelligent monitoring and emergency warning system, its technical matters solved is: (1) both at home and abroad gas detecting instrument and detection system cannot provide accurate instruction to Leakage Gas point, and the most effective treating method of the accurate direction prompting that the personnel that also just cannot provide withdraw and equipment failure is pointed out.(2) gas detecting instrument and detection system thereof cannot indicate leakage point and direction to field staff both at home and abroad.
In order to solve the technical matters of above-mentioned existence, present invention employs following scheme:
A kind of hazardous gas intelligent monitoring and emergency warning system, multi-section gas detecting instrument (1) is placed around hazardous gas pipeline or memory storage, multi-section gas detecting instrument (1) carries out networking by wireless WI-FI and is connected with control terminal computing machine, it is characterized in that: according to the self-position data that at least three gas detecting instruments (1) of hazardous gas spillage send and hazardous gas triggered time data being detected at first, the position of control terminal computing machine determination hazardous gas spillage point.
Further, when detecting that three gas detecting instruments (1) of hazardous gas spillage are respectively gas detecting instrument A, gas detecting instrument B and gas detecting instrument C at first, spacing between gas detecting instrument A and gas detecting instrument B is a, spacing between gas detecting instrument A and gas detecting instrument C is b, and the spacing between gas detecting instrument B and gas detecting instrument C is c; The leakage point of hazardous gas pipeline or memory storage is M(x, y), the hazardous gas traps gas detector C at first of its release, the distance of setting MC is l; The hazardous gas second traps gas detector B of release, the distance of setting MB be l+n, n=v*t1, v to be hazardous gas mean flow rate (m/s), t1 be first and second time trigger between mistiming; Hazardous gas the 3rd traps gas detector A of release, the distance of setting MA be l+m, m=v*t2, v to be hazardous gas mean flow rate (m/s), t2 be trigger second time and third time between mistiming; According to △ ABC area=△ AMC area+△ AMB area+△ BMC area, wherein △ ABC area calculates according to Heron's formula, △ AMC area, △ AMB area and △ BMC area re-use Heron's formula respectively and calculate, and finally calculate l value according to linear equation with one unknown; Then, calculate area and the formula △ AMB area=a*y*1/2 of △ AMB according to △ AMB tri-known limits, calculate y value; According to (l+m)
2=x
2+ y
2, calculate x value; Finally, determine leakage point M(x, the y of hazardous gas pipeline or memory storage) position.
Further, when detecting that the gas detecting instrument (1) of hazardous gas spillage exceeds after three, often exceeding a gas detecting instrument (1), recalculating the leakage point M(x of hazardous gas pipeline or memory storage, y) position and to previous M(x, y) position revise.
Further, control terminal computing machine is according to the position of the leakage point of hazardous gas pipeline or memory storage, determine the pipeline that breaks down or memory storage, and the pipeline of by-pass valve control disengagement failure or memory storage, start conveyance conduit for subsequent use or spare storage device simultaneously.
Further; gas detecting instrument (1) comprises casing; master controller (11) is provided with in described casing; display screen (13) is provided with on the left of described casing front upper; keyboard (12) is provided with on the right side of casing front upper; the described casing back side is provided with battery (15), is provided with Wi-Fi radio transmitting device (16) above described casing, is provided with sensor (16) below described casing; Master controller (11) is connected with keyboard (12), display screen (13), sensor (14), battery (15) and Wi-Fi radio transmitting device (16) respectively; When dangerous Leakage Gas, leakage point M(x, y at display screen (13) upper display hazardous gas pipeline or memory storage in real time) position withdraw for personnel.
Further, radio detector (1) carries out networking by following several wireless WI-FI link mode: gas detecting instrument (1) is directly connected with LAN (5); Gas detecting instrument (1) is connected with LAN (5) by wireless exchange board (4); Gas detecting instrument (1) is connected with LAN (5) by repeater (2); Gas detecting instrument (1) is connected with LAN (5) with wireless base station (3) by repeater (2) successively; Gas detecting instrument (1) is connected with LAN (5) by repeater (2), wireless base station (3) and wireless exchange board (4) successively.
Further, radio detector (1) selects networking mode according to actual conditions choosing is following: 1, monitor reception on the notebook being directly connected to and having WI-FI AP function among a small circle temporarily and detect data; 2, among a small circle multiple stage monitor time can transfer data on the data server of assignment by a wireless router, multiple stage monitor is monitored simultaneously; If 3, WI-FI has covered this monitoring point, available direct access of radio network under local environment on a large scale; If 4, WI-FI does not cover monitoring point under local environment on a large scale, can amplify with repeater and turn access of radio network; If 5, WI-FI quorum sensing inhibitor can be considered to improve coverage by wireless base station apart from far under local environment on a large scale; If 6, WI-FI quorum sensing inhibitor can be considered with super joint nearby for source apart from far under local environment on a large scale, increase wireless router, carry out net mending covering, thus be connected to LAN.
Further, when detecting a link open circuit, then link is replaced to carry out exchanges data, to improve antijamming capability with other.
Further, lose link in this connection and be automatically switched to replacement link fast after diagnosis, ensureing the real-time of communication.
This hazardous gas intelligent monitoring and emergency warning system have following beneficial effect:
(1) the present invention is by the self-position data of the gas detecting instrument of more than three transmission and hazardous gas triggered time data, determines the position of hazardous gas spillage point, for the process of accident and withdrawing of personnel provide effective reference.
(2) the self-position data that the gas detecting instrument that the present invention passes through more than three sends and hazardous gas triggered time data, determine the position of hazardous gas spillage point, further can the pipeline of by-pass valve control disengagement failure or memory storage, start conveyance conduit for subsequent use or spare storage device simultaneously, infringement is dropped to minimum.
(3) the present invention shows the position of the leakage point of hazardous gas pipeline or memory storage in real time on the display screen of gas detecting instrument, facilitates withdrawing of personnel.
(4) the present invention adopts the redirect of gas detecting instrument multiple spot, and multipath redundancy, antijamming capability is strong.
(5) the wireless WI-FI network that the present invention adopts has self-organization, self-healing, self-diagnostic function.
(6) the intensive covering of networking of the present invention, conduct monitoring at all levels, reduces monitoring blind area.
Accompanying drawing explanation
Fig. 1: the network connection diagram of hazardous gas intelligent monitoring of the present invention and emergency warning system;
Fig. 2: the calculating schematic diagram of the determination Leakage Gas point of hazardous gas intelligent monitoring of the present invention and emergency warning system;
Fig. 3: gas detecting instrument structural representation in hazardous gas intelligent monitoring of the present invention and emergency warning system.
Description of reference numerals:
1-gas detecting instrument; 11-master controller; 12-keyboard; 13-display screen; 14-sensor; 15-battery; 16-Wi-Fi radio transmitting device; 2-repeater; 3-wireless base station; 4-wireless exchange board; 5-LAN.
Embodiment
Below in conjunction with Fig. 1 to Fig. 3, the present invention will be further described:
As shown in Figure 1, radio detector 1 carries out networking by following several wireless WI-FI link mode: gas detecting instrument 1 is directly connected with LAN 5; Gas detecting instrument 1 is connected with LAN 5 by wireless exchange board 4; Gas detecting instrument 1 is connected with LAN 5 by repeater 2; Gas detecting instrument 1 is connected with LAN 5 with wireless base station 3 by repeater 2 successively; Gas detecting instrument 1 is connected with LAN 5 by repeater 2, wireless base station 3 and wireless exchange board 4 successively.
Specifically:
A, detector can be laid at random, network dynamic adjustment.
Radio detector, from charged pool, can be placed on the place needing to detect easily, can select networking mode after placing detector according to actual conditions:
1, monitor among a small circle on the notebook that can be directly connected to and there is WI-FI AP function temporarily and receive detection data.
2, among a small circle multiple stage monitor time can transfer data on the data server of assignment by a wireless router, multiple stage monitor is monitored simultaneously.
If 3, WI-FI has covered this monitoring point, available direct access of radio network under local environment on a large scale.
If 4, WI-FI does not cover monitoring point under local environment on a large scale, can amplify with relaying and turn access of radio network.
If 5, WI-FI quorum sensing inhibitor can be considered to improve coverage by base station apart from far under local environment on a large scale.
If 6, WI-FI quorum sensing inhibitor can be considered with super joint nearby for source apart from far under local environment on a large scale, increase wireless router, carry out net mending covering, thus be connected to LAN (Local Area Network).
Choose suitable mode, detector can be laid easily, connects into network fast, and network dynamic adjustment does not need manual intervention.
B, the redirect of detector multiple spot, multipath redundancy, antijamming capability is strong.
Wireless network is inevitably subject to the interference of some environment, if upper strata link disconnects, then the equipment connected thereon cannot communication.If make complicated tree-like link structure, then brisk not and easy.The link of subtend upper level router for this reason, carries out storing, setting replacement link except normally used.Usually only exchanges data is carried out at normally used link.When detecting the link open circuit to normally used upper level router, then carry out exchanges data with replacement link, to carry out network connection fast, reliably, to improve antijamming capability.
C, wireless WI-FI network, have self-organization, self-healing, self-diagnostic function.
Wireless network is subject to the interference of some environment, the situation that upper strata link disconnects, if also need artificial switching to recover, then loses the advantage that it responds fast.Therefore need network to connect and have self organization ability, automatic Sampling network connects and obtains optimum link; There is self diagnostic capability, network power, good fast and break-make can be responded fast; Self-healing capability, loses link in this connection and is automatically switched to replacement link fast after diagnosis, ensureing the real-time of communication.
D, the intensive covering of networking, conduct monitoring at all levels, reduces monitoring blind area.
Due to the complicacy of detector working environment, extremely easily causing the shielding of wireless network signal, for reducing monitoring blind area, needing the intensive covering of polytype networking.The design allows detector to be directly connected with LAN (Local Area Network); Detector is allowed to be connected with relaying; Detector is allowed to be connected with switch; Allow detector and wireless base station contact.To improve the intensive covering of networking, facilitate omnibearing monitoring real time environment.
As shown in Figure 2, when detecting that three gas detecting instruments 1 of hazardous gas spillage are respectively gas detecting instrument A, gas detecting instrument B and gas detecting instrument C at first, spacing between gas detecting instrument A and gas detecting instrument B is a, spacing between gas detecting instrument A and gas detecting instrument C is b, and the spacing between gas detecting instrument B and gas detecting instrument C is c; The leakage point of hazardous gas pipeline or memory storage is M(x, y), the hazardous gas traps gas detector C at first of its release, the distance of setting MC is l; The hazardous gas second traps gas detector B of release, the distance of setting MB be l+n, n=v*t1, v to be hazardous gas mean flow rate (m/s), t1 be first and second time trigger between mistiming; Hazardous gas the 3rd traps gas detector A of release, the distance of setting MA be l+m, m=v*t2, v to be hazardous gas mean flow rate (m/s), t2 be trigger second time and third time between mistiming; According to △ ABC area=△ AMC area+△ AMB area+△ BMC area, wherein △ ABC area calculates according to Heron's formula, △ AMC area, △ AMB area and △ BMC area re-use Heron's formula respectively and calculate, and finally calculate l value according to linear equation with one unknown; Then, calculate area and the formula △ AMB area=a*y*1/2 of △ AMB according to △ AMB tri-known limits, calculate y value; According to (l+m)
2=x
2+ y
2, calculate x value; Finally, determine leakage point M(x, the y of hazardous gas pipeline or memory storage) position.The self-position data sent by the gas detecting instruments of more than three and hazardous gas triggered time data, determine the position of hazardous gas spillage point, for the process of accident and withdrawing of personnel provide effective reference.
As shown in Figure 3; gas detecting instrument 1 comprises casing; master controller 11 is provided with in described casing; display screen 13 is provided with on the left of described casing front upper; keyboard 12 is provided with on the right side of casing front upper; the described casing back side is provided with battery 15, is provided with Wi-Fi radio transmitting device 16 above described casing, is provided with sensor 16 below casing; Master controller 11 is connected with keyboard 12, display screen 13, sensor 14, battery 15 and Wi-Fi radio transmitting device 16 respectively; When dangerous Leakage Gas, leakage point M(x, the y of in real time display hazardous gas pipeline or memory storage on display screen 13) position withdraw for personnel.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious realization of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all in protection scope of the present invention without to improve.
Claims (9)
1. a hazardous gas intelligent monitoring and emergency warning system, multi-section gas detecting instrument (1) is placed around hazardous gas pipeline or memory storage, multi-section gas detecting instrument (1) carries out networking by wireless WI-FI and is connected with control terminal computing machine, it is characterized in that: according to the self-position data that at least three gas detecting instruments (1) of hazardous gas spillage send and hazardous gas triggered time data being detected at first, the position of control terminal computing machine determination hazardous gas spillage point.
2. hazardous gas intelligent monitoring and emergency warning system according to claim 1, it is characterized in that: when detecting that three gas detecting instruments (1) of hazardous gas spillage are respectively gas detecting instrument A, gas detecting instrument B and gas detecting instrument C at first, spacing between gas detecting instrument A and gas detecting instrument B is a, spacing between gas detecting instrument A and gas detecting instrument C is b, and the spacing between gas detecting instrument B and gas detecting instrument C is c; The leakage point of hazardous gas pipeline or memory storage is M(x, y), the hazardous gas traps gas detector C at first of its release, the distance of setting MC is l; The hazardous gas second traps gas detector B of release, the distance of setting MB be l+n, n=v*t1, v to be hazardous gas mean flow rate (m/s), t1 be first and second time trigger between mistiming; Hazardous gas the 3rd traps gas detector A of release, the distance of setting MA be l+m, m=v*t2, v to be hazardous gas mean flow rate (m/s), t2 be trigger second time and third time between mistiming; According to △ ABC area=△ AMC area+△ AMB area+△ BMC area, wherein △ ABC area calculates according to Heron's formula, △ AMC area, △ AMB area and △ BMC area re-use Heron's formula respectively and calculate, and finally calculate l value according to linear equation with one unknown; Then, calculate area and the formula △ AMB area=a*y*1/2 of △ AMB according to △ AMB tri-known limits, calculate y value; According to (l+m)
2=x
2+ y
2, calculate x value; Finally, determine leakage point M(x, the y of hazardous gas pipeline or memory storage) position.
3. hazardous gas intelligent monitoring and emergency warning system according to claim 2, it is characterized in that: when detecting that the gas detecting instrument (1) of hazardous gas spillage exceeds after three, often exceed a gas detecting instrument (1), recalculate the leakage point M(x of hazardous gas pipeline or memory storage, y) position and to previous M(x, y) position revise.
4. according to hazardous gas intelligent monitoring and emergency warning system described in any one in claim 1-3, it is characterized in that: control terminal computing machine is according to the position of the leakage point of hazardous gas pipeline or memory storage, determine the pipeline that breaks down or memory storage, and the pipeline of by-pass valve control disengagement failure or memory storage, start conveyance conduit for subsequent use or spare storage device simultaneously.
5. according to hazardous gas intelligent monitoring and emergency warning system described in any one in claim 1-4; it is characterized in that: gas detecting instrument (1) comprises casing; master controller (11) is provided with in described casing; display screen (13) is provided with on the left of described casing front upper; keyboard (12) is provided with on the right side of casing front upper; the described casing back side is provided with battery (15), is provided with Wi-Fi radio transmitting device (16) above described casing, is provided with sensor (16) below described casing; Master controller (11) is connected with keyboard (12), display screen (13), sensor (14), battery (15) and Wi-Fi radio transmitting device (16) respectively; When dangerous Leakage Gas, leakage point M(x, y at display screen (13) upper display hazardous gas pipeline or memory storage in real time) position withdraw for personnel.
6. according to hazardous gas intelligent monitoring and emergency warning system described in any one in claim 1-5, it is characterized in that: radio detector (1) carries out networking by following several wireless WI-FI link mode: gas detecting instrument (1) is directly connected with LAN (5); Gas detecting instrument (1) is connected with LAN (5) by wireless exchange board (4); Gas detecting instrument (1) is connected with LAN (5) by repeater (2); Gas detecting instrument (1) is connected with LAN (5) with wireless base station (3) by repeater (2) successively; Gas detecting instrument (1) is connected with LAN (5) by repeater (2), wireless base station (3) and wireless exchange board (4) successively.
7. according to hazardous gas intelligent monitoring and emergency warning system described in any one in claim 1-6, it is characterized in that: radio detector (1) selects networking mode according to actual conditions choosing is following: 1, monitor reception on the notebook being directly connected to and there is WI-FI AP function among a small circle temporarily and detect data; 2, among a small circle multiple stage monitor time can transfer data on the data server of assignment by a wireless router, multiple stage monitor is monitored simultaneously; If 3, WI-FI has covered this monitoring point, available direct access of radio network under local environment on a large scale; If 4, WI-FI does not cover monitoring point under local environment on a large scale, can amplify with repeater and turn access of radio network; If 5, WI-FI quorum sensing inhibitor can be considered to improve coverage by wireless base station apart from far under local environment on a large scale; If 6, WI-FI quorum sensing inhibitor can be considered with super joint nearby for source apart from far under local environment on a large scale, increase wireless router, carry out net mending covering, thus be connected to LAN.
8. according to hazardous gas intelligent monitoring and emergency warning system described in any one in claim 1-7, it is characterized in that: when detecting a link open circuit, then replace link to carry out exchanges data, to improve antijamming capability with other.
9. hazardous gas intelligent monitoring and emergency warning system according to claim 8, is characterized in that: lose link in this connection and be automatically switched to replacement link fast after diagnosis, the real-time of guarantee communication.
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| CN201510045948.3A CN104599446B (en) | 2015-01-29 | 2015-01-29 | A kind of hazardous gas intelligent monitoring and emergency warning system |
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| CN201510045948.3A CN104599446B (en) | 2015-01-29 | 2015-01-29 | A kind of hazardous gas intelligent monitoring and emergency warning system |
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| CN104599446B (en) | 2017-03-08 |
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