CN203799481U - Combustible gas alarm monitoring system - Google Patents
Combustible gas alarm monitoring system Download PDFInfo
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- CN203799481U CN203799481U CN201420229572.2U CN201420229572U CN203799481U CN 203799481 U CN203799481 U CN 203799481U CN 201420229572 U CN201420229572 U CN 201420229572U CN 203799481 U CN203799481 U CN 203799481U
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Abstract
The utility model provides a combustible gas alarm monitoring system and belongs to the gas detection monitoring field. The system comprises gas detectors, linkage module, routers, an iLon Ethernet converter, a switch, a monitoring host, a GSM short message module and a remote monitoring terminal. The system is characterized in that the gas detectors and the linkage modules are connected through twisted pairs to form multiple sub LonWorks bus networks, each sub LonWorks bus network is taken as a node through each router, the sub LonWorks bus networks are connected to form a main LonWorks network, the monitoring host is connected with the main LonWorks network through the iLon Ethernet converter, the GSM short message module is connected with the monitoring host, and the remote monitoring terminal is connected with the monitoring host through the switch. The combustible gas alarm monitoring system has properties of high reliability and timeliness, realizes large-scope multi-node centralized monitoring on the combustible gas, can be connected with 2304 gas detectors or linkage module nodes at maximum and further has the remote alarm monitoring capacity through a GSM short message and Internet mode.
Description
Technical field
The utility model belongs to gas and detects monitoring field, is specifically related to a kind of poisonous or combustible gas alarm supervisory system.
Background technology
In refinery, chemical plant, oil depot, liquefied gas station, refuelling station, painting workshop, resident's building and supermarket, market, the use of inflammable gas is more and more, inevitably have leakage, if the gas leaking is not found in time, and make gas concentration constantly cumulative, thereby can form in the scene of the accident burning, explosion-risk area, serious harm people's life, property safety.
For preventing trouble before it happens, guarantee the normal operation of enterprise, the people's lives and property is guaranteed, must adopt advanced, the concentration of the reliable tight monitoring field harmful gas of safety monitoring device, find early accident potential, adopt an effective measure, therefore, wish to develop a kind of gas alarm system, the concentration of monitoring Potential Area Of Danger harmful gas, current domestic Related product has discrete detector, inflammable gas supervisory system based on RS485 bus, also start to have occurred Fieldbus Based inflammable gas supervisory system, but still that the system that extensively exists can articulate node capacity is insufficient, system stability is bad, the shortcoming that real-time is bad.
GSM technology can send to remote terminal with the form of note text message, Internet technology can make local resource be accessed at remote terminal by Ethernet, LonWorks technology is a kind of local operations network LON (Local Operating Network) technology of U.S. Echelon company exploitation, the distributed system network for realizing with monitoring function provides very effective means, and LonWorks bussing technique has been widely used in building automatic, security system, office equipment, transportation equipment and industrial process control field.
Summary of the invention
The purpose of this utility model is to provide a kind of combustible gas alarm supervisory system, with realize to inflammable gas on a large scale, multinode stablizes Centralized Monitoring, and makes this system have remote alarm monitoring ability.
In order to realize above-mentioned technical purpose, the technical solution adopted in the utility model is as follows: it comprises gas detector, interlocking module, router, iLon Ethernet converter, switch, monitoring host computer, GSM SMS module, remote monitoring terminal a kind of combustible gas alarm supervisory system.Described gas detector, interlocking module form a plurality of sub-LonWorks bus network based on twisted pair line connection, each sub-LonWorks bus network is passed through described each router as a node, connect to form main LonWorks network, described monitoring host computer is connected to main LonWorks network by described iLon Ethernet converter, GSM SMS module is connected with monitoring host computer, and described remote monitoring terminal connects monitoring host computer by switch.
Described gas detector is surveyed gas on-site concentration and monitoring oneself state, process corresponding data, the LonWorks bus interface networking having by it, realizes uploading of information and assigns, and described gas detector also has local sound and light alarm, demarcation, self calibration, address setting function simultaneously.
Described interlocking module is accepted the order of monitoring host computer from LonWorks network, controls the corresponding actuating of relay, and then by-pass valve control, exhaust fan, and described interlocking module has selftest module, sound and light alarm module, address setting function simultaneously.
Described router, for each sub-LonWorks bus network data communication, makes each sub-LonWorks bus network as a node of main LonWorks network.
Described iLon Ethernet converter is ICP/IP protocol by LonTalk protocol conversion, by computing machine network interface card, communicates by letter with monitoring host computer.
Described switch is used for connecting remote monitoring terminal and monitoring host computer.
Described monitoring host computer is the core of whole system, monitors the state of all nodes, and has sound and light alarm, printing, historical record memory function.
Described GSM SMS module is connecting monitoring host computer, and the relevant information of the safe condition of every day and the gas detector of occur reporting to the police is sent to managerial personnel with the form of short message.
Described remote monitoring terminal is by Internet access monitoring main frame, for the situation of each probe node of managerial personnel's telemonitoring.
The utility model compared with prior art, there is following beneficial effect: this combustible gas alarm supervisory system reliability is high, real-time, realization to inflammable gas on a large scale, multinode Centralized Monitoring, can articulate maximum 2304 gas detectors or interlocking module node, and can make this system there is remote alarm monitoring ability by GSM short message and Internet form.
Accompanying drawing explanation
Accompanying drawing is the network topology structure schematic diagram of a kind of combustible gas alarm supervisory system of the utility model embodiment.
Embodiment
As shown in drawings, a kind of combustible gas alarm supervisory system comprises gas detector, interlocking module, router, iLon Ethernet converter, switch, monitoring host computer, GSM SMS module, remote monitoring terminal.Described gas detector, interlocking module form a plurality of sub-LonWorks bus network based on twisted pair line connection, each sub-LonWorks bus network is passed through described each router as a node, connect to form main LonWorks network, described monitoring host computer is connected to main LonWorks network by described iLon Ethernet converter, GSM SMS module is connected with monitoring host computer, and described remote monitoring terminal connects monitoring host computer by switch.
Described gas detector adopts AVR series mega88 single-chip microcomputer as microcontroller, gas sensor adopts hot wire type gas sensors, gas detector Test Field gas concentration and monitoring oneself state, process corresponding data, the LonWorks bus interface networking having by it, realize uploading of information and assign, described gas detector also has local sound and light alarm, demarcation, self calibration, address setting function simultaneously, and audible alarm adopts speech chip to send 3 kinds of different sound.
Described interlocking module is based on the design of AVR series mega88 single-chip microcomputer, from LonWorks network, accept the order of monitoring host computer, control the corresponding actuating of relay, and then the safety feature such as by-pass valve control, exhaust fan, described interlocking module has selftest module, sound and light alarm module, address setting function simultaneously.
Described router, for each sub-LonWorks bus network data communication, makes each sub-LonWorks bus network as a node of main LonWorks network.
Described iLon Ethernet converter is ICP/IP protocol by LonTalk protocol conversion, by computing machine network interface card, communicates by letter with monitoring host computer.
Described switch is used for connecting remote monitoring terminal and monitoring host computer.
Described monitoring host computer is the core of whole system, monitors the state of all nodes, and has sound and light alarm, printing, historical record memory function.
Described GSM SMS module is connecting monitoring host computer, and the relevant information of the safe condition of every day and the gas detector of occur reporting to the police is sent to managerial personnel with the form of short message.
Described remote monitoring terminal is by Internet access monitoring main frame, for the situation of each probe node of managerial personnel's telemonitoring.
Design of Monitoring and Control System capacity is that 48 gas detectors or interlocking module node form a sub-LonWorks bus network, and it is 48 that main LonWorks bus network design can articulate node, so system maximum node capacity is 2304.Gas detector is surveyed on-the-spot combustable gas concentration state, carry out data processing, pass through successively sub-LonWorks bus network, router, main LonWorks bus network, gas detector nodal information, give monitoring host computer, monitoring host computer resolution data, show in real time, when node occurs when abnormal, one side sound and light alarm, by the automatic transmitting order to lower levels of LonWorks bus to interlocking module, interlocking module is moved in time, on the other hand, by GSM SMS module, corresponding information is sent to short message receiving terminal, and when node is all normal, GSM SMS module timed sending every day security of system short message is to short message receiving terminal, monitoring host computer also should be able to respond the access of remote monitoring terminal, remote monitoring terminal is by Internet access monitoring main frame, complete the remote monitoring to inflammable gas scene.
Claims (3)
1. a combustible gas alarm supervisory system, it comprises gas detector, interlocking module, router, iLon Ethernet converter, switch, monitoring host computer, GSM SMS module, remote monitoring terminal, it is characterized in that: described gas detector, interlocking module forms 1-48 sub-LonWorks bus network based on twisted pair line connection, each sub-LonWorks bus network is passed through described each router as a node, connect to form main LonWorks network, described monitoring host computer is connected to main LonWorks network by described iLon Ethernet converter, GSM SMS module is connected with monitoring host computer, described remote monitoring terminal connects monitoring host computer by switch.
2. a kind of combustible gas alarm supervisory system according to claim 1, it is characterized in that described gas detector adopts AVR series mega88 single-chip microcomputer as microcontroller, gas sensor adopts hot wire type gas sensors, gas detector Test Field gas concentration and monitoring oneself state, process corresponding data, the LonWorks bus interface networking having by it, realize uploading of information and assign, described gas detector also has local sound and light alarm, demarcation, self calibration, address setting function simultaneously.
3. a kind of combustible gas alarm supervisory system according to claim 1, it is characterized in that described interlocking module is based on the design of AVR series mega88 single-chip microcomputer, from LonWorks network, accept the order of monitoring host computer, control the corresponding actuating of relay, and then by-pass valve control, exhaust fan, described interlocking module has selftest module, sound and light alarm module, address setting function simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229572.2U CN203799481U (en) | 2014-04-29 | 2014-04-29 | Combustible gas alarm monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229572.2U CN203799481U (en) | 2014-04-29 | 2014-04-29 | Combustible gas alarm monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799481U true CN203799481U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420229572.2U Expired - Fee Related CN203799481U (en) | 2014-04-29 | 2014-04-29 | Combustible gas alarm monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806202A (en) * | 2018-07-11 | 2018-11-13 | 宁夏诺克银丰智能科技有限公司 | A kind of multi-protocols toxic gas alarm controller |
| CN110246308A (en) * | 2019-06-12 | 2019-09-17 | 青岛尚德荣物联科技有限公司 | A kind of combustible gas detecting system and its detection method |
-
2014
- 2014-04-29 CN CN201420229572.2U patent/CN203799481U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806202A (en) * | 2018-07-11 | 2018-11-13 | 宁夏诺克银丰智能科技有限公司 | A kind of multi-protocols toxic gas alarm controller |
| CN110246308A (en) * | 2019-06-12 | 2019-09-17 | 青岛尚德荣物联科技有限公司 | A kind of combustible gas detecting system and its detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20150429 |
|
| EXPY | Termination of patent right or utility model |