CN103967633A - Diesel locomotive automatic control method used for highway gas tunnel - Google Patents
Diesel locomotive automatic control method used for highway gas tunnel Download PDFInfo
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- CN103967633A CN103967633A CN201410221083.7A CN201410221083A CN103967633A CN 103967633 A CN103967633 A CN 103967633A CN 201410221083 A CN201410221083 A CN 201410221083A CN 103967633 A CN103967633 A CN 103967633A
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Abstract
The invention discloses a diesel locomotive automatic control method used for a highway gas tunnel. The method includes the following steps that 1, firstly, an automatic control system is arranged on a locomotive, wherein the system comprises the following structures of a low-concentration methane sensor and a control main machine; 2, when the locomotive is used, the low-concentration methane sensor is used for detecting and collecting methane volume concentration of air at the position where the locomotive is located, and a detection parameter signal is transmitted to the control main machine; 3, after the control main machine receives the methane volume concentration detection parameter signal and comparative judgment is conducted, the control main machine sends out a sound and light alarm, and a flameout device of the diesel locomotive is made to move so as to enable the diesel locomotive to flamed out; 4, when the methane volume concentration is larger than or equal to an electricity recovery set limit value, the system is controlled to block the diesel locomotive automatically. According to the control method, the diesel locomotive can be controlled to work in a safe state in the gas tunnel, and once gas exceeds a limit, the control system conducts alarming, electricity interruption, flameout and locking immediately.
Description
Technical field
Patent of the present invention relates to a kind of diesel locomotive autocontrol method for highway gas tunnel.
Background technique
China is at present built and building more than 200 of gas tunnels, and every year also at the speed increase increasing newly in the amount of building with 30 ~ 50.At present, tunnel mainly adopts artificial and automatic detecting environment gas.During construction, be equipped with full-time fireboss, utilize optics watt inspection instrument to the CH in tunnel
4detect, methane monitoring system monitoring of environmental gas is installed simultaneously.
Control for the large-sized diesel locomotive in tunnel, notification number CN 201991566 discloses a kind of vehicle-mounted gas monitoring system, it is characterized in that comprising the control substation being connected with Computer Maintenance system by data-interface, and the first sensor, the second sensor, power-down control device, electronic flameout apparatus, the alarm that by datawire, are connected with control substation respectively, control substation and be arranged in engineering vehicle cab, first sensor and the second sensor are arranged on respectively operator cabin top portion ventilation place and ventilation, car bottom.But this technological scheme still has complex structure, control the many and dispersion of the parts of poor sensitivity, use, electronic flameout apparatus (adopting the flame-out principle of oil-break and power-off) poor reliability and defect, be unfavorable for supervision and the construction safety of the gas in during Highway Tunnel Construction.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is how to provide a kind of circuit structure simple, and it is convenient to implement, and controls the reliable diesel locomotive autocontrol method for highway gas tunnel, to obtain the supervision effect of better gas, guarantee construction safety.
In order to solve the problems of the technologies described above, in the present invention, adopted following technological scheme:
A diesel locomotive autocontrol method for highway gas tunnel, is characterized in that, comprises the following steps:
1, the automatic control system of following structure is first set on locomotive: this system comprises low-concentration methane sensor and main control system:
Low-concentration methane sensor, described low-concentration methane sensor is arranged on locomotive outer surface and for gathering locomotive position methane volume concentration signal;
Main control system, described main control system is arranged in diesel locomotive, main control system comprises the unit such as signal reception, acoustooptic alarm and control switch, main control system is connected with described low-concentration methane sensor and for receiving low-concentration methane sensor signal, be connected with diesel locomotive blanket simultaneously, flame-out to control diesel locomotive;
2,, when locomotive uses, adopt low-concentration methane sensor to detect and gather the airborne methane volume concentration in locomotive position, and detected parameters signal is delivered to main control system;
3, main control system after receiving methane volume concentration detected parameters signal contrasts methane volume concentration detected parameters signal and predefined value, and when methane volume concentration is more than or equal to alarm settings limit value, main control system sends acoustooptic alarm; When methane volume concentration is more than or equal to the flame-out setting of power-off limit value, main control system electronic switch closes open in usual makes the action of diesel locomotive blanket simultaneously, makes diesel locomotive flame-out;
4,, when methane volume concentration is more than or equal to telegram in reply setting limit value, control system automatic blocking diesel locomotive, just can restart diesel locomotive work until methane volume concentration is less than telegram in reply setting limit value.
Diesel locomotive autocontrol method for highway gas tunnel of the present invention, the automatic control system of said structure is first set on locomotive, main control system in this automatic control system after receiving methane volume concentration detected parameters signal contrasts methane volume concentration detected parameters signal and predefined value, when methane volume concentration is more than or equal to alarm settings limit value, main control system sends acoustooptic alarm, tunnel construction site stops operation immediately, notify related personnel to process in time, after eliminating safe hidden trouble, row operation again, guarantees construction safety; When methane volume concentration is more than or equal to the flame-out setting of power-off limit value, main control system electronic switch closes open in usual, make the action of diesel locomotive blanket simultaneously, make the flame-out also locking of diesel locomotive, prevent the false tripping of workmen to diesel locomotive in construction operation, and therefore may cause explosive accident.When methane volume concentration is more than or equal to telegram in reply setting limit value, control system automatic blocking diesel locomotive, until methane volume concentration is less than telegram in reply setting limit value, just can restart diesel locomotive work, can remove and report to the police and restart diesel locomotive work construction.
The present invention can be real-time monitoring highway gas tunnel methane volume concentration and effectively warn workmen and the engine control circuit of diesel locomotive controlled.In addition, further, when electronic switch open in usual, low-concentration methane sensor are during in abnormal operating state (conjunction cable or sensor damage) and main control system cisco unity malfunction, main control system can artificially not started by locking diesel locomotive, guarantee that diesel locomotive in gas tunnel work progress is in state safe against all possibilities, guarantee gas tunnel construction safety.Wherein, adopt circuit structure simple, it is convenient to implement, and controls reliable.
In sum, compared with the existing technology, it is high that the present invention has automaticity, detection range is wide, is active in one's movements reliable, and safe advantage, greatly reduce the security risk of diesel locomotive operation in tunnel, obtained the supervision effect of better gas, improved construction safety guarantee.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
During concrete enforcement, a kind of diesel locomotive autocontrol method for highway gas tunnel, is characterized in that, comprises the following steps:
1, the automatic control system of following structure is first set on diesel locomotive: this system comprises low-concentration methane sensor and main control system:
Low-concentration methane sensor: described low-concentration methane sensor is arranged on locomotive outer surface and for gathering locomotive position methane volume concentration signal;
Main control system: described main control system is arranged in diesel locomotive, main control system comprises the unit such as signal reception, acoustooptic alarm and control switch, main control system is connected with described low-concentration methane sensor and for receiving low-concentration methane sensor signal, be connected with diesel locomotive blanket simultaneously, flame-out to control diesel locomotive;
2,, when diesel locomotive uses, adopt low-concentration methane sensor to detect and gather the airborne methane volume concentration in diesel locomotive position, and detected parameters signal is delivered to main control system;
3, main control system after receiving methane volume concentration detected parameters signal contrasts methane volume concentration detected parameters signal and predefined value, and when methane volume concentration is more than or equal to alarm settings limit value, main control system sends acoustooptic alarm; When methane volume concentration is more than or equal to the flame-out setting of power-off limit value, main control system electronic switch closes open in usual makes the action of diesel locomotive blanket simultaneously, makes diesel locomotive flame-out;
4,, when methane volume concentration is more than or equal to telegram in reply setting limit value, control system automatic blocking diesel locomotive, just can restart diesel locomotive work until methane volume concentration is less than telegram in reply setting limit value.
Specifically, this method comprises the following steps:
1, at diesel locomotive peak, low-concentration methane sensor is installed and is gathered diesel locomotive position methane volume concentration signal, and in real time testing signal is passed to main control system;
2, main control system is installed in diesel locomotive, and low-concentration methane sensor signaling line is connected with main control system signal input, simultaneously that the flame-out zip of guide line and diesel locomotive is in parallel;
3, connect main control system to spraying cooling solenoid electric valve;
4, main control system after receiving methane volume concentration detected parameters signal contrasts methane volume concentration detected parameters signal and predefined value, and when methane volume concentration is more than or equal to alarm settings limit value, main control system sends acoustooptic alarm; When methane volume concentration is more than or equal to the flame-out setting of power-off limit value, main control system electronic switch closes open in usual makes the action of diesel locomotive blanket simultaneously, makes the flame-out also locking of diesel locomotive.
During concrete enforcement, described low-concentration methane sensor and main control system adopt the blasting resistance structure product with safety of coal mines sign.
During concrete enforcement, the present invention can further include gas componant and detects, and described gas componant detecting sensor is arranged on diesel locomotive outer surface and for gathering the O of diesel locomotive position
2, CO and H
2the toxic and harmful signals such as S; Described main control system is connected with described gas componant detecting sensor and for receiving the signal of toxic and harmful composition detection sensor.So, toxic and harmful composition detection sensor carries out component analysis to the toxic and harmful in tunnel, and in tunnel, carrier of oxygen volume concentrations is less than or equal to CO and H in setting value or air
2when S is more than or equal to setting value, main control system sends acoustooptic alarm signal immediately, avoids workmen's anoxic or because sucking CO and H
2s and the generation that produces poisoning situation.
The diesel locomotive autocontrol method for highway gas tunnel that this embodiment relates to, the methane volume concentration of monitoring highway gas tunnel that can be real-time, and effectively warn workmen and the engine control circuit of diesel locomotive is controlled.In addition, when main control system and low-concentration methane sensor are when abnormal operating state (conjunction cable or sensor damage), system can be implemented lock-in control to diesel locomotive, until all devices ability release after normal state in system, guarantee that diesel locomotive in gas tunnel work progress is in state safe against all possibilities, guarantee gas tunnel construction safety.
Claims (1)
1. for a diesel locomotive autocontrol method for highway gas tunnel, it is characterized in that, comprise the following steps:
1, the automatic control system of following structure is first set on diesel locomotive: this system comprises low-concentration methane sensor and main control system:
Low-concentration methane sensor: described low-concentration methane sensor is arranged on locomotive outer surface and for gathering locomotive position methane volume concentration signal;
Main control system: described main control system is arranged in diesel locomotive, main control system comprises the unit such as signal reception, acoustooptic alarm and control switch, main control system is connected with described low-concentration methane sensor and for receiving low-concentration methane sensor signal, be connected with diesel locomotive blanket simultaneously, flame-out to control diesel locomotive;
2,, when diesel locomotive uses, adopt low-concentration methane sensor to detect and gather the airborne methane volume concentration in diesel locomotive position, and detected parameters signal is delivered to main control system;
3, main control system after receiving methane volume concentration detected parameters signal contrasts methane volume concentration detected parameters signal and predefined value, and when methane volume concentration is more than or equal to alarm settings limit value, main control system sends acoustooptic alarm; When methane volume concentration is more than or equal to the flame-out setting of power-off limit value, main control system electronic switch closes open in usual makes the action of diesel locomotive blanket simultaneously, makes diesel locomotive flame-out;
4,, when methane volume concentration is more than or equal to telegram in reply setting limit value, control system automatic blocking diesel locomotive, just can restart diesel locomotive work until methane volume concentration is less than telegram in reply setting limit value.
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| CN201410221083.7A CN103967633B (en) | 2014-05-23 | 2014-05-23 | A kind of diesel locomotive autocontrol method for highway gas tunnel |
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| CN201410221083.7A CN103967633B (en) | 2014-05-23 | 2014-05-23 | A kind of diesel locomotive autocontrol method for highway gas tunnel |
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| CN103967633B CN103967633B (en) | 2016-04-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971731A (en) * | 2016-07-29 | 2016-09-28 | 中煤科工集团西安研究院有限公司 | Safety protection system and method for coal bed gas drilling machine engine |
| US11268472B2 (en) | 2017-02-24 | 2022-03-08 | Carrier Corporation | Methane safety systems for transport refrigeration units |
| CN114407020A (en) * | 2022-02-24 | 2022-04-29 | 南京北路智控科技股份有限公司 | Methane locking control device and method for mining robot |
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| CN201433820Y (en) * | 2009-06-08 | 2010-03-31 | 昆山晋桦豹胶轮车制造有限公司 | Electrical automatic protection device of explosion-proof diesel locomotive |
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| CN201991566U (en) * | 2011-03-15 | 2011-09-28 | 中铁十二局集团第一工程有限公司 | Vehicle-mounted gas monitoring system |
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| JP2007323118A (en) * | 2006-05-30 | 2007-12-13 | Yazaki Corp | Gas alarm |
| CN201096024Y (en) * | 2007-08-27 | 2008-08-06 | 常州澳丰机电制造有限公司 | flame proof and intrinsically safe protection device for diesel locomotive |
| CN201433820Y (en) * | 2009-06-08 | 2010-03-31 | 昆山晋桦豹胶轮车制造有限公司 | Electrical automatic protection device of explosion-proof diesel locomotive |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105971731A (en) * | 2016-07-29 | 2016-09-28 | 中煤科工集团西安研究院有限公司 | Safety protection system and method for coal bed gas drilling machine engine |
| CN105971731B (en) * | 2016-07-29 | 2018-08-14 | 中煤科工集团西安研究院有限公司 | A kind of coal bed gas drilling machine engine health protection system and method |
| US11268472B2 (en) | 2017-02-24 | 2022-03-08 | Carrier Corporation | Methane safety systems for transport refrigeration units |
| CN114407020A (en) * | 2022-02-24 | 2022-04-29 | 南京北路智控科技股份有限公司 | Methane locking control device and method for mining robot |
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Inventor after: Yu Shigang Inventor after: Liu Jie Inventor after: Yuan Kun Inventor after: Hong Zebing Inventor after: Yu Qing Inventor after: Li Mengquan Inventor after: Wang Zhiguo Inventor after: Liu Rong Inventor before: Yu Shigang Inventor before: Liu Jie Inventor before: Yuan Kun Inventor before: Hong Zebin Inventor before: Yu Qing Inventor before: Li Mengquan Inventor before: Wang Zhiguo Inventor before: Liu Rong |
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Free format text: CORRECT: INVENTOR; FROM: YU SHIGANG LIU JIE YUAN KUN HONG ZEBIN YU QING LI MENGQUAN WANG ZHIGUO LIURONG TO: YU SHIGANG LIU JIE YUAN KUN HONG ZEBING YU QING LI MENGQUAN WANG ZHIGUO LIU RONG |
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