CN103544814A - Real-time monitoring system for hazardous chemical gases - Google Patents
Real-time monitoring system for hazardous chemical gases Download PDFInfo
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- CN103544814A CN103544814A CN201210240869.4A CN201210240869A CN103544814A CN 103544814 A CN103544814 A CN 103544814A CN 201210240869 A CN201210240869 A CN 201210240869A CN 103544814 A CN103544814 A CN 103544814A
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Abstract
The invention discloses a real-time monitoring system for hazardous chemical gases. The system mainly comprises a gas detection system, an information transmission system and an alarm system, wherein the information transmission system and the alarm system are sequentially connected with the gas detection system. Comprehensive detection of hazardous chemicals and detection of ambient temperature and the like are achieved, real-time alarming is achieved through real-time data processing and transmission, four-course detection, monitoring and tracking for the maintenance of conveying of hazardous chemicals is achieved by technical means, accidents are reduced or avoided, damage of the accidents is avoided or reduced, and safety and reliability in the conveying of hazard chemicals is improved.
Description
Technical field
The present invention relates to hazardous chemical gas, specifically refer to hazardous chemical gas real-time monitoring system.
Background technology
Along with industrial expansion, kind and the range of application of inflammable, explosive, toxic gas and liquid have all obtained increase.In chemical industry, oil, dyestuff and other industry, just there are many objectionable impuritiess, as liquefied petroleum gas (LPG), ammonia, chlorine, sulfuretted hydrogen, sulphuric dioxide and alcohol etc., if produce or transportation in due to misoperation or other reasons, cause these dangerous substances to leak out, due to the diffusivity of gas existence itself, after leaking, externally under the effect of wind-force and inner concentration gradient, gas can spread along earth's surface, forms combustion explosion or poison explosive area in the scene of the accident.In order to strengthen Transport Safety, with inside and outside, Transportation of Dangerous Chemicals vehicle is carried out to supervision, mainly for the monitoring of vehicle running state.Circle outer also have for the risk assessment based on GIS platform of Transportation of Dangerous Chemicals study, using this selection foundation as transportation route.At present, the container monitoring system based on MEMS sensor of domestic Zhong Ji group application has been monitored pressure and liquid level, the spatial attitude of tank body and the information such as folding condition of acceleration and valve member chamber cavity of hazardous chemical in gas concentration and humiture in transportation, tank well.In order further to improve the reliability of gas concentration inspect, design adopts dual sensor mutually to monitor, in case the false alarm causing because single-sensor is malfunctioning, and design and focus on data processing fusion accuracy, thereby strengthen warning accuracy.Therefore first design has determined installation site, then in conjunction with DSP and Radio Transmission Technology, strengthens the promptness of data-handling capacity and transmission, to leakage situation monitoring in time comprehensively.
Summary of the invention
The object of the present invention is to provide and there is the detection that can realize comprehensive detection that dangerization product leak and environment temperature etc., by real time data processing, transmission, realize the hazardous chemical gas real-time monitoring system of Realtime Alerts.
Implementation of the present invention is as follows: hazardous chemical gas real-time monitoring system, mainly consists of gas detecting system and the information transmission system being connected successively with gas detecting system, warning system.
Described gas detecting system is mainly by single-chip microcomputer TMS320F2812, and the power circuit being connected with single-chip microcomputer TMS320F2812, in short-term storage, buffer circuit, temperature sensor, jtag interface forms, described single-chip microcomputer TMS320F2812 is also connected with modulate circuit, gas sensor in turn, and described single-chip microcomputer TMS320F2812 is connected with the information transmission system.
The described information transmission system comprise Wireless Transmitter or and RS232 data line, described Wireless Transmitter is all connected with single-chip microcomputer TMS320F2812 with RS232 data line, described Wireless Transmitter is also connected with warning system with RS232 data line.
Described warning system mainly by connecting Wireless Transmitter or the PIC single-chip microcomputer of RS232 data line and the display being connected with PIC single-chip microcomputer, audible-visual annunciator, storer forms.
Described gas sensor is combustible gas sensor.
According to the analysis of leaking diffusion in hazardous chemical normal pressure tank body of tank car common deficiency investigation, the investigation of common leakage accident and harmful gas transportation, can learn: dangerization product leak that multiple reason mainly contains that can seam is torn, the interior tank body leak that inner stiffener ring is aging, tank body acid and alkali corrosion causes of tank etc.; and within the scope of leakage monitoring, leak diffusion and be diffused as master mainly with the heavily gas that is greater than surrounding air density.As can be seen here, for determining of the position of mounting points, to both realize comprehensive monitoring object, and again can commute generation leakage point carry out emphasis monitoring as can seam, valve, and need to consider the factors such as gas density, wind direction.In train traveling process, due to wind-force effect, revealing gas can the diffusion of box haul direction.Because most hazardous gas density is greater than air, so-called heavy gas, during diffusion, understands oriented again.
The trend of earth's surface diffusion, so the mounting points position of combustible gas sensor is all positioned at tank tail leeward, and in easy leakage point (tank body two side welds and tank deck safety valve) below, general, the leakage situation that 3 points can the whole tank body of comprehensive monitoring is installed.
It is core that the present invention adopts single-chip microcomputer TMS320F2812, can complete to the tow channel gas bulk concentration of 1 monitoring, alarming point gather the ambient temperature data collection of ,Yi road, data processing after gathering, control execution architecture, the function such as communicate by letter with warning system, self forms a closed loop measurement and control system, realizes the monitoring to mounting points region, place.The secondary instrument machine that warning system is comprised of PIC single-chip microcomputer, display, audible-visual annunciator is realized, main being responsible for carried out data communication, sound and light alarm, concentration Presentation Function with single-chip microcomputer TMS320F2812, so that operating personnel analyze scene, according to analysis result, adopt an effective measure, to prevent the leakage of inflammable gas, stop accident potential.
Combustible gas sensor, can be by the concentration value of inflammable gas in combustible gas sensor perception surrounding air, and is converted into electric signal circuit can be identified.
Temperature sensor, combustible gas sensor is subject to the impact of the temperature in its working environment larger, thus need to record the temperature in surrounding environment, and then the data that gas sensor is recorded compensate.
The invention has the advantages that: the detection of comprehensive detection that native system leaks with realization dangerization product and environment temperature etc.; by real time data processing, transmission, realize Realtime Alerts; application technology means have realized to be safeguarded the detection of dangerization product transportation umbrella journey, monitoring and follows the tracks of; thereby reduce and avoid the generation of accident; avoid and reduce accident harm, having improved the safety and reliability of dangerization product transportations.This system has good applicability for the land route transportation of dangerization product, for industry control modernization and modernization logistics provide a kind of safe solution.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention.
Embodiment
Embodiment mono-
As shown in Figure 1.
Hazardous chemical gas real-time monitoring system, mainly consists of gas detecting system and the information transmission system being connected successively with gas detecting system, warning system.
Described gas detecting system is mainly by single-chip microcomputer TMS320F2812, and the power circuit being connected with single-chip microcomputer TMS320F2812, in short-term storage, buffer circuit, temperature sensor, jtag interface forms, described single-chip microcomputer TMS320F2812 is also connected with modulate circuit, gas sensor in turn, and described single-chip microcomputer TMS320F2812 is connected with the information transmission system.
The described information transmission system comprise Wireless Transmitter or and RS232 data line, described Wireless Transmitter is all connected with single-chip microcomputer TMS320F2812 with RS232 data line, described Wireless Transmitter is also connected with warning system with RS232 data line.
Described warning system mainly by connecting Wireless Transmitter or the PIC single-chip microcomputer of RS232 data line and the display being connected with PIC single-chip microcomputer, audible-visual annunciator, storer forms.
Described gas sensor is combustible gas sensor.
According to the analysis of leaking diffusion in hazardous chemical normal pressure tank body of tank car common deficiency investigation, the investigation of common leakage accident and harmful gas transportation, can learn: dangerization product leak that multiple reason mainly contains that can seam is torn, the interior tank body leak that inner stiffener ring is aging, tank body acid and alkali corrosion causes of tank etc.; and within the scope of leakage monitoring, leak diffusion and be diffused as master mainly with the heavily gas that is greater than surrounding air density.As can be seen here, for determining of the position of mounting points, to both realize comprehensive monitoring object, and again can commute generation leakage point carry out emphasis monitoring as can seam, valve, and need to consider the factors such as gas density, wind direction.In train traveling process, due to wind-force effect, revealing gas can the diffusion of box haul direction.Because most hazardous gas density is greater than air, so-called heavy gas, during diffusion, understands oriented again.
The trend of earth's surface diffusion, so the mounting points position of combustible gas sensor is all positioned at tank tail leeward, and in easy leakage point (tank body two side welds and tank deck safety valve) below, general, the leakage situation that 3 points can the whole tank body of comprehensive monitoring is installed.
It is core that the present invention adopts single-chip microcomputer TMS320F2812, can complete to the tow channel gas bulk concentration of 1 monitoring, alarming point gather the ambient temperature data collection of ,Yi road, data processing after gathering, control execution architecture, the function such as communicate by letter with warning system, self forms a closed loop measurement and control system, realizes the monitoring to mounting points region, place.The secondary instrument machine that warning system is comprised of PIC single-chip microcomputer, display, audible-visual annunciator is realized, main being responsible for carried out data communication, sound and light alarm, concentration Presentation Function with single-chip microcomputer TMS320F2812, so that operating personnel analyze scene, according to analysis result, adopt an effective measure, to prevent the leakage of inflammable gas, stop accident potential.
Combustible gas sensor, can be by the concentration value of inflammable gas in combustible gas sensor perception surrounding air, and is converted into electric signal circuit can be identified.
Temperature sensor, combustible gas sensor is subject to the impact of the temperature in its working environment larger, thus need to record the temperature in surrounding environment, and then the data that gas sensor is recorded compensate.
As mentioned above, can well realize the present invention.
Claims (4)
1. hazardous chemical gas real-time monitoring system, is characterized in that: mainly gas detecting system and the information transmission system being connected successively with gas detecting system, warning system, consist of;
Described gas detecting system is mainly by single-chip microcomputer TMS320F2812, and the power circuit being connected with single-chip microcomputer TMS320F2812, in short-term storage, buffer circuit, temperature sensor, jtag interface forms, described single-chip microcomputer TMS320F2812 is also connected with modulate circuit, gas sensor in turn, and described single-chip microcomputer TMS320F2812 is connected with the information transmission system.
2. hazardous chemical gas real-time monitoring system according to claim 1, it is characterized in that: the described information transmission system comprise Wireless Transmitter or and RS232 data line, described Wireless Transmitter is all connected with single-chip microcomputer TMS320F2812 with RS232 data line, and described Wireless Transmitter is also connected with warning system with RS232 data line.
3. hazardous chemical gas real-time monitoring system according to claim 2, is characterized in that: described warning system mainly by connecting Wireless Transmitter or the PIC single-chip microcomputer of RS232 data line and the display being connected with PIC single-chip microcomputer, audible-visual annunciator, storer forms.
4. according to the hazardous chemical gas real-time monitoring system described in any one in claim 1,2,3, it is characterized in that: described gas sensor is combustible gas sensor.
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| CN201210240869.4A CN103544814A (en) | 2012-07-12 | 2012-07-12 | Real-time monitoring system for hazardous chemical gases |
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| CN201210240869.4A CN103544814A (en) | 2012-07-12 | 2012-07-12 | Real-time monitoring system for hazardous chemical gases |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104408881A (en) * | 2014-12-11 | 2015-03-11 | 哈尔滨东方报警设备开发有限公司 | Gas detection alarm control device with wireless jump function |
| CN104504861A (en) * | 2014-12-26 | 2015-04-08 | 贵阳康祥浩科技有限公司 | Toxic gas alarm system |
| CN104828163A (en) * | 2015-05-12 | 2015-08-12 | 中国安全生产科学研究院 | Dangerous chemical leakage accident emergency monitoring mobile robot |
| CN105023223A (en) * | 2015-07-03 | 2015-11-04 | 安徽中杰信息科技有限公司 | Design method for system for improving transportation management of dangerous materials |
| CN105460454A (en) * | 2015-12-31 | 2016-04-06 | 上海恩信仪表有限公司 | Motion detection alarm system |
| CN107544362A (en) * | 2017-10-20 | 2018-01-05 | 倪晋挺 | A kind of embedded sulfur dioxide monitoring and the Transport Machinery of early warning |
| CN107653924A (en) * | 2017-10-20 | 2018-02-02 | 倪晋挺 | A kind of excavating machinery of embedded carbon monoxide monitoring and early warning |
| CN109959416A (en) * | 2019-04-15 | 2019-07-02 | 郭军毅 | A kind of intelligent monitoring device for hazardous chemical |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104408881A (en) * | 2014-12-11 | 2015-03-11 | 哈尔滨东方报警设备开发有限公司 | Gas detection alarm control device with wireless jump function |
| CN104504861A (en) * | 2014-12-26 | 2015-04-08 | 贵阳康祥浩科技有限公司 | Toxic gas alarm system |
| CN104828163A (en) * | 2015-05-12 | 2015-08-12 | 中国安全生产科学研究院 | Dangerous chemical leakage accident emergency monitoring mobile robot |
| CN105023223A (en) * | 2015-07-03 | 2015-11-04 | 安徽中杰信息科技有限公司 | Design method for system for improving transportation management of dangerous materials |
| CN105460454A (en) * | 2015-12-31 | 2016-04-06 | 上海恩信仪表有限公司 | Motion detection alarm system |
| CN105460454B (en) * | 2015-12-31 | 2019-03-01 | 上海恩信仪表有限公司 | Mobile detection alarm system |
| CN107544362A (en) * | 2017-10-20 | 2018-01-05 | 倪晋挺 | A kind of embedded sulfur dioxide monitoring and the Transport Machinery of early warning |
| CN107653924A (en) * | 2017-10-20 | 2018-02-02 | 倪晋挺 | A kind of excavating machinery of embedded carbon monoxide monitoring and early warning |
| CN109959416A (en) * | 2019-04-15 | 2019-07-02 | 郭军毅 | A kind of intelligent monitoring device for hazardous chemical |
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Application publication date: 20140129 |