CN201974918U - Gas alarm controller - Google Patents
Gas alarm controller Download PDFInfo
- Publication number
- CN201974918U CN201974918U CN2011200895140U CN201120089514U CN201974918U CN 201974918 U CN201974918 U CN 201974918U CN 2011200895140 U CN2011200895140 U CN 2011200895140U CN 201120089514 U CN201120089514 U CN 201120089514U CN 201974918 U CN201974918 U CN 201974918U
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- gas alarm
- dcs
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- control circuit
- control system
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Abstract
The utility model provides a gas alarm controller, belongs to the technical field of alarm controllers of inflammable and explosive gases, and the like, achieves the characteristic of intrinsic safety of the alarm controller, and is used for anti-explosion alarm. The gas alarm controller comprises an integration platform system, a DCS (distributed control system), a gas alarm control circuit, a plurality of detectors and a plurality of linkage devices, wherein, the output terminals of the detectors are connected with the input terminal of the gas alarm control circuit; the output terminal of the gas alarm control circuit is connected with the input terminal of the DCS; the control signal input terminal of the gas alarm control circuit is connected with the output terminal of the DCS; the control signal output terminal of the DCS is connected with the control signal input terminals of the linkage devices; and a communication port of the DCS is connected with that of the integration platform system. The gas alarm controller is characterized by further comprising an intrinsic safe power source and a first safety barrier, wherein the output terminal of the intrinsic safe power source is connected with the power source input terminal of the DCS; and one terminal of the first safety barrier is connected with the output terminal of the DCS, and the other terminal of the first safety barrier is connected with the input terminals of the linkage devices.
Description
Technical field
The utility model relates to a kind of gas alarm controller such as inflammable, explosive, poisonous.
Background technology
Gas alarm has a wide range of applications in society, particularly every in oil, chemical industry, fire-fighting, metallurgy, hotel etc. industry and the place that all gases such as inflammable, explosive, poisonous is revealed may take place.But all watch-dogs that use under the coal mine require to have intrinsic safety characteristic and higher antijamming capability, and traditional gas alarm controller equipment itself does not have the intrinsic safety characteristic, and antijamming capability is not strong, can not use under coal mine.
The utility model content
The utility model is not possess the problem of intrinsic safety characteristic in order to solve existing gas alarm controller equipment itself, makes system more safe and reliable, thus the detection all gases concentration that proposes, and overload alarm also provides the gas alarm controller of control signal.
Gas alarm controller of the present utility model comprises integrated platform system, the DCS control system, the gas alarm control circuit, a plurality of detectors and a plurality of linkage, the signal output part of each detector is connected on the signal input part of gas alarm control circuit, the signal output part of gas alarm control circuit is connected on the input end of DCS control system, the signal input end of gas alarm control circuit is connected on the output terminal of DCS control system, the control signal output ends of DCS control system is connected on the signal input end of linkage, the communication port of DCS control system is passed through Ethernet, CAN bus or 485 buses link to each other with the communication port of integrated platform system, it also comprises intrinsic safety electric source and a safety barrier, intrinsic safety electric source is connected with the DCS control system to provide power supply to it, and No. one safety barrier is installed between DSC control system and the linkage.
The utility model has solved in the place that combustible gas leakage, causing death may take place, set off an explosion, install safely and the problem of using gases alarm controller, safety barrier and intrinsic safety electric source guaranteed designed system can be safely, reliably, stably work, antijamming capability is strong, and have perfect self check, self diagnosis and running status writing function, be convenient to system maintenance and crash analysis.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Embodiment one, in conjunction with Fig. 1 this embodiment is described, the gas alarm controller of realizing based on the TMS320F2812 chip, it comprises integrated platform system 1, DCS control system 2, gas alarm control circuit 3, a plurality of detectors 4 and a plurality of linkage 5, the signal output part of each detector 4 is connected on the signal input part of gas alarm control circuit 3, the signal output part of gas alarm control circuit 3 is connected on the input end of DCS control system 2, the signal input end of gas alarm control circuit 3 is connected on the output terminal of DCS control system 2, the control signal output ends of DCS control system 2 is connected on the signal input end of linkage 5, the communication port of DCS control system 2 is passed through Ethernet, CAN bus or 485 buses link to each other with the communication port of integrated platform system 1, it also comprises intrinsic safety electric source 6 and a safety barrier 7, the output terminal of intrinsic safety electric source 6 is connected with the power input of DCS control system 2, two terminals of safety barrier 7 one ends are connected with two output terminals of DCS control system 2 respectively, and two terminals of safety barrier 7 other ends are connected with two input ends of linkage 5 respectively.
In the present embodiment, detector 4 is responsible for all gases of production scene is detected, and the gas concentration that collects is converted to the standard signal of inputs such as electric current, HART, bus-type, gives the gas alarm control circuit by CAN or 485 bus transfer.
In the present embodiment, DCS control system 2 is communicated by letter with integrated platform system 1 can adopt Ethernet, CAN or 485 interfaces, and communication protocol adopts modbus tcp agreement.
In the present embodiment, integrated platform system 1 compares with separately high alarm setting or lower limit respectively according to detected value, when surpassing the upper limit or be lower than down, the detected concentration of certain detector prescribes a time limit, DCS control system 2 is opened audible-visual annunciator and is opened linkage 5 by the control module output alarm signal.
In the present embodiment, operating personnel are by the situation of all check points in the touch-screen real time monitoring mining area of integrated platform system 1.When taking place to report to the police, also can carry out noise reduction and alarm response by the industrial computer of integrated platform system 1.
In the present embodiment, utilize 6 pairs of systems of intrinsic safety electric source to power, guaranteed the intrinsic safety of system.
Embodiment two, this embodiment is described in conjunction with Fig. 1, the difference of present embodiment and embodiment one is, it also comprises safety barrier 8 No. two, two terminals of No. two safety barrier 8 one ends are connected with two input ends of gas alarm control circuit 3 respectively, and two terminals of No. two safety barrier 8 other ends are connected with two output terminals of detector 4 respectively.
In the present embodiment, increase safety barrier 8 and can prevent that the dangerous energy in the detector 4 from scurrying into gas alarm control circuit 3, improved the security of system.
Embodiment three, this embodiment is described in conjunction with Fig. 1, the difference of present embodiment and embodiment one is, it also comprises safety barrier 9 No. three, two terminals of No. three safety barrier 9 one ends are connected with two communication port of DCS control system 2 respectively, and two terminals of No. three safety barrier 9 other ends are connected with two communication port of integrated platform system 1 respectively.
In the present embodiment, increase safety barrier 9 and can prevent that the dangerous energy in the integrated platform system 1 from scurrying in the DCS control system 2, improved the security of system.
Claims (3)
1. gas alarm controller, it comprises integrated platform system (1), DCS control system (2), gas alarm control circuit (3), a plurality of detectors (4) and a plurality of linkage (5), the signal output part of each detector (4) is connected on the signal input part of gas alarm control circuit (3), the signal output part of gas alarm control circuit (3) is connected on the input end of DCS control system (2), the signal input end of gas alarm control circuit (3) is connected on the output terminal of DCS control system (2), the control signal output ends of DCS control system (2) is connected on the signal input end of linkage (5), the communication port of DCS control system (2) is passed through Ethernet, CAN bus or 485 buses link to each other with the communication port of integrated platform system (1), it is characterized in that: it also comprises an intrinsic safety electric source (6) and a safety barrier (7), the output terminal of intrinsic safety electric source (6) is connected with the power input of DCS control system (2), two terminals of safety barrier (7) one ends are connected with two output terminals of DCS control system (2) respectively, and two terminals of a safety barrier (7) other end are connected with two input ends of linkage (5) respectively.
2. gas alarm controller according to claim 1, it is characterized in that: it also comprises No. two safety barriers (8), two terminals of No. two safety barrier (8) one ends are connected with two input ends of gas alarm control circuit (3) respectively, and two terminals of No. two safety barriers (8) other end are connected with two output terminals of detector (4) respectively.
3. gas alarm controller according to claim 1, it is characterized in that: it also comprises No. three safety barriers (9), two terminals of No. three safety barrier (9) one ends are connected with two communication port of DCS control system (2) respectively, and two terminals of No. three safety barriers (9) other end are connected with two communication port of integrated platform system (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200895140U CN201974918U (en) | 2011-03-30 | 2011-03-30 | Gas alarm controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200895140U CN201974918U (en) | 2011-03-30 | 2011-03-30 | Gas alarm controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201974918U true CN201974918U (en) | 2011-09-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200895140U Expired - Fee Related CN201974918U (en) | 2011-03-30 | 2011-03-30 | Gas alarm controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201974918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103544814A (en) * | 2012-07-12 | 2014-01-29 | 成都科盛石油科技有限公司 | Real-time monitoring system for hazardous chemical gases |
| CN105528865A (en) * | 2016-01-25 | 2016-04-27 | 詹朝润 | Combustible gas detection alarm device |
-
2011
- 2011-03-30 CN CN2011200895140U patent/CN201974918U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103544814A (en) * | 2012-07-12 | 2014-01-29 | 成都科盛石油科技有限公司 | Real-time monitoring system for hazardous chemical gases |
| CN105528865A (en) * | 2016-01-25 | 2016-04-27 | 詹朝润 | Combustible gas detection alarm device |
| CN105528865B (en) * | 2016-01-25 | 2018-06-15 | 詹朝润 | A kind of combustible gas detecting warning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20120330 |