CN206057268U - Hydrogen sulfide intelligent monitor system based on CAN communication bus measurement and control system of tunnel - Google Patents
Hydrogen sulfide intelligent monitor system based on CAN communication bus measurement and control system of tunnel Download PDFInfo
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- CN206057268U CN206057268U CN201620691414.8U CN201620691414U CN206057268U CN 206057268 U CN206057268 U CN 206057268U CN 201620691414 U CN201620691414 U CN 201620691414U CN 206057268 U CN206057268 U CN 206057268U
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- tunnel
- hydrogen sulfide
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- alarm
- regenerating device
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Abstract
The utility model discloses a kind of hydrogen sulfide intelligent monitor system based on CAN communication bus measurement and control system of tunnel, in tunnel both sides respectively with lay hydrogen sulfide sensor, the hydrogen sulfide sensor for being distributed in homonymy is connected to same CAN communication bus, in tunnel, two CAN communication buses are connected respectively to main frame again, main frame reconnects Control Room alarm, main frame reconnects alarm in the tunnel arranged with the hydrogen sulfide sensor pairing by CAN communication bus, in tunnel, alarm reconnects air regenerating device, and hydrogen sulfide cartridge for chemical reaction is installed between air regenerating device and air regenerating device.The characteristics of this utility model has real-time data communication, good, safe motility and remote communication distance；Hydrogen sulfide cartridge for chemical reaction can neutralize the hydrogen sulfide in air；Tunnel is inside and outside all to arrange alarm, good warning effect；Air regenerating device automatic, main frame send hydrogen sulfide from trend wireless communication terminal by wireless communication module and monitor warning information.
Description
Technical field
This utility model is related to hydrogen sulfide monitoring system in a kind of tunnel, and in particular to a kind of to be based on the total threaded list of CAN communication
The hydrogen sulfide intelligent monitor system of road observing and controlling.
Background technology
Hydrogen sulfide is a kind of inflammable sour gas, colourless, has rotten egg abnormal smells from the patient, has severe toxicity, can be dissolved in water during low concentration,
Hydrogen sulfide is inflammable harmful influence, forms explosive mixture with air hybrid energy, meets naked light, high heat energy and causes combustion explosion.Tunnel
Road easily causes concentration of hydrogen sulfide too high, so as to there is potential safety hazard due to the problem divulged information, it is therefore desirable to the equipment of specialty
Real-time monitoring is carried out to the hydrogen sulfide in tunnel, it is ensured that concentration of hydrogen sulfide prison was maintained in normal range.Monitoring device is general at present
Data transfer is completed using RS232, RS485 communication bus, but which has following defect：1st, communication mechanism needs to meet master
Stand poll mode enter row information exchange, the data communication real-time and very flexible between each node of network；2nd, when system has
During problem, there is multinode while sending data, cause bus short circuit, so as to damage the phenomenon of some nodes；3rd, communication distance
It is restricted.And safety and promptness of the existing hydrogen sulfide supervising device to the process of the too high problem of concentration of hydrogen sulfide
Not enough.
Utility model content
The purpose of this utility model is for the problems referred to above, there is provided a kind of sulfur based on CAN communication bus measurement and control system of tunnel
Change hydrogen intelligent monitor system, hydrogen sulfide sensor gathered data is transferred to based on CAN communication bus and using CAN communication mechanism
Main frame, and processed automatically.
This utility model is achieved in that the hydrogen sulfide intelligent monitor system based on CAN communication bus measurement and control system of tunnel, main
Hydrogen sulfide sensor to be included, CAN communication bus, main frame, alarm, air regenerating device, power module, data memory module, have
Line network transmission module and clock synchronization module；It is characterized in that：In tunnel both sides respectively with lay hydrogen sulfide sensor, point
Cloth is connected to same CAN communication bus in the hydrogen sulfide sensor of homonymy, and in tunnel, two CAN communication buses are connected respectively to again
Main frame, main frame are analyzed to all of hydrogen sulfide sensor gathered data, and main frame reconnects Control Room alarm, and main frame passes through
CAN communication bus reconnects alarm in the tunnel arranged with the hydrogen sulfide sensor pairing, and in tunnel, alarm is reconnected and changed
Gas equipment, installs hydrogen sulfide cartridge for chemical reaction, air regenerating device and hydrogen sulfide cartridge for chemical reaction between air regenerating device and air regenerating device
It is sequentially arranged at intervals, in tunnel, using alarm signal triggering control air regenerating device start and stop, tunnel two ends set at gateway alarm
Tunnel face alarm is put, tunnel face alarm is connected to main frame by CAN communication bus；Described main frame is also respectively connected with power supply
Module, data memory module, cable-network transmission module and clock synchronization module.
In described air regenerating device and tunnel, the corresponding relation of alarm is for one-to-one, or is one-to-many.
In described tunnel face alarm and tunnel, alarm is audible-visual annunciator.
Described main frame is also connected with wireless communication module, by wireless communication module to wireless communication terminal set in advance
Send hydrogen sulfide monitoring warning information, be easy to the technical staff of wireless communication terminal side to understand alarm situation in time, and make and
When process, solve hydrogen sulfide monitoring abnormal problem.
Described main frame is also connected with operating client, operates the authority of client to be less than host service function authority, is easy to main frame
The safety operation authority different with client point, it is ensured that the safe operation of monitoring system.
Sensor of the described hydrogen sulfide sensor using model GLH200.
The corresponding relation of hydrogen sulfide sensor and air regenerating device, hydrogen sulfide sensor gathered data are pre-set on main frame
Main frame is sent to by CAN communication bus, main frame judges concentration of hydrogen sulfide data in abnormal ranges, main frame passes through CAN communication
To alarm transmission alarm signal in tunnel face alarm and tunnel, in tunnel, alarm controls corresponding air regenerating device to bus again
Work.The data that technical staff can gather hydrogen sulfide sensor according to main frame judge whether to hydrogen sulfide cartridge for chemical reaction
Change.
CAN communication is a kind of serial communication network for supporting distributed controll or real-time control, compared with general communication mechanism
Relatively there is advantages below：
1st, the data communication between each node of network is real-time, no master-slave.Different nodes can be received simultaneously
Identical data avoids as RS485 communication mechanisms, need the mode for meeting main website poll to enter row information exchange.
2nd, increase the safety of equipment room communication, prevent as RS485 when system is problematic, there is multinode while
Data are sent, causes bus short circuit, so as to damage the phenomenon of some nodes.Because CAN nodes have in the case where mistake is serious
Output function is automatically switched off, so that the operation of other nodes is unaffected in bus, so as to ensure to be not in a network
Because respective nodes go wrong so that bus is in " deadlock " state.And the perfect communications protocol that CAN has can be by CAN
Controller chip and its interface chip realize that so as to substantially reduce system development difficulty, shorten the construction cycle, these are only
Electrically the RS485 of agreement is incomparable.
3rd, communication distance is farthest up to 10km（Speed is less than 5kps）Communication distance is less than 40m（Speed is up to 1mbps）, because
Communicated using two wire serial, error detecing capability is strong, can work in strong noise interference environment, and because using short frame structure, transmitting
Speed is fast, and can hang node in theory does not have the upper limit.
The beneficial effects of the utility model are：1st, the hydrogen sulfide monitoring device is carried out data transmission based on CAN communication bus,
The communication buses such as common RS232 communication buses, RS485 are compared, which has, and data communication is real-time, motility is good, safety
Property high and communication distance it is remote the features such as；2nd, hydrogen sulfide cartridge for chemical reaction can neutralize the hydrogen sulfide in air, and air regenerating device is automatic
Start, reduce human error；3rd, tunnel is inside and outside all arranges alarm, good warning effect；4th, main frame passes through wireless communication module certainly
Trend wireless communication terminal sends hydrogen sulfide monitoring warning information, and the problem for being easy to hydrogen sulfide monitoring abnormal is processed in time,
Ensure normal pass in tunnel.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1, hydrogen sulfide sensor 2, CAN communication bus 3, main frame 4, Control Room alarm 5, tunnel
Interior alarm 6, air regenerating device 7, hydrogen sulfide cartridge for chemical reaction 8, tunnel face alarm 9, wireless communication module 10,
Power module 11, data memory module 12, cable-network transmission module 13, clock synchronization module 14, operation client
End.
Specific embodiment
In order that technical problem, technical scheme and beneficial effect that this utility model is solved become more apparent, below
With reference to the drawings and the specific embodiments, this utility model is further elaborated.It should be appreciated that tool described herein
Body embodiment only to explain this utility model, is not used to limit this utility model.
As shown in figure 1, the hydrogen sulfide intelligent monitor system based on CAN communication bus measurement and control system of tunnel, mainly including hydrogen sulfide
Sensor（1）, CAN communication bus（2）, main frame（3）, alarm, air regenerating device（6）, power module（10）, data memory module
（11）, cable-network transmission module（12）And clock synchronization module（13）；Characterized in that, in tunnel both sides respectively with laying
Hydrogen sulfide sensor（1）, it is distributed in the hydrogen sulfide sensor of homonymy（1）It is connected to same CAN communication bus（2）, two in tunnel
Bar CAN communication bus（2）Main frame is connected respectively to again（3）, main frame（3）To all of hydrogen sulfide sensor（1）Gathered data is entered
Row analysis, main frame（3）Reconnect Control Room alarm（4）, main frame（3）By CAN communication bus（2）Reconnect and the hydrogen sulfide
Sensor（1）Alarm in the tunnel that pairing is arranged（5）, alarm in tunnel（5）Reconnect air regenerating device（6）, air regenerating device
（6）And air regenerating device（6）Between install hydrogen sulfide cartridge for chemical reaction（7）, air regenerating device（6）With hydrogen sulfide cartridge for chemical reaction（7）
It is sequentially arranged at intervals, alarm in tunnel（5）Using alarm signal triggering control air regenerating device（6）Start and stop, tunnel two ends come in and go out
Tunnel face alarm is set at mouthful（8）, tunnel face alarm（8）By CAN communication bus（2）It is connected to main frame（3）.Described
Main frame（3）Connect power module again respectively（10）, data memory module（11）, cable-network transmission module（12）With clock synchronization
Module（13）.
Described air regenerating device（6）With alarm in tunnel（5）Corresponding relation be a pair two.
Described tunnel face alarm（5）With alarm in tunnel（8）For audible-visual annunciator.
Described hydrogen sulfide sensor（1）Using the sensor of model GLH200.
Described main frame（3）It is also connected with wireless communication module（9）, by wireless communication module（9）To nothing set in advance
Line communicating terminal sends hydrogen sulfide monitoring warning information, is easy to the technical staff of wireless communication terminal side to understand alarm feelings in time
Condition, and process in time is made, solve hydrogen sulfide monitoring abnormal problem.
Described main frame（3）It is also connected with operating client（14）, operate client（14）Authority be less than main frame（3）Behaviour
Make authority, be easy to main frame（3）With operation client（14）Divide different safety operation authorities, it is ensured that the operation peace of monitoring system
Entirely.
Main frame（3）On pre-set hydrogen sulfide sensor（1）And air regenerating device（6）Corresponding relation, hydrogen sulfide sensing
Device（1）Gathered data passes through CAN communication bus（2）It is sent to main frame（3）, main frame（3）Judge concentration of hydrogen sulfide data in exception
During scope, main frame（3）By CAN communication bus（2）Give tunnel face alarm（8）With alarm in tunnel（5）Transmission alarm signal
Number, alarm in tunnel（5）Corresponding air regenerating device is controlled again（6）Work.Technical staff can be according to main frame（3）Collection sulfuration
Hydrogen sensor（1）Data judge whether to hydrogen sulfide cartridge for chemical reaction（7）Replacing.
The power module that this utility model is used（10）Comprising mains power supply and UPS electric supply installations, and preferentially use
Mains power supply is powered, power module（10）In UPS electric supply installations be resting state in the case of mains failure
It is powered；Cable-network transmission module（12）Allow main frame（3）The Internet is accessed, is easy to remotely grasp main frame（3）；Clock synchronization mould
Block（13）Clock information is obtained from machine room clock server, it is ensured that main frame（3）The accuracy of clock information.
Claims (1)
1. the hydrogen sulfide intelligent monitor system based on CAN communication bus measurement and control system of tunnel, mainly leads to including hydrogen sulfide sensor, CAN
News bus, main frame, alarm, air regenerating device, power module, data memory module, cable-network transmission module and clock synchronization
Module；It is characterized in that：In tunnel both sides respectively with lay hydrogen sulfide sensor, the hydrogen sulfide sensor for being distributed in homonymy connects
Same CAN communication bus is connected to, two CAN communication buses are connected respectively to main frame again in tunnel, and main frame is to all of hydrogen sulfide
Sensor acquisition data are analyzed, and main frame reconnects Control Room alarm, and main frame is reconnected and the sulfur by CAN communication bus
Change alarm in the tunnel that hydrogen sensor pairing is arranged, alarm reconnects air regenerating device in tunnel, air regenerating device and ventilation set
Hydrogen sulfide cartridge for chemical reaction is installed between standby, air regenerating device and hydrogen sulfide cartridge for chemical reaction are sequentially arranged at intervals, and report to the police in tunnel
Device arranges tunnel face alarm, tunnel face report using alarm signal triggering control air regenerating device start and stop at the gateway of tunnel two ends
Alert device is connected to main frame by CAN communication bus；Described main frame is also respectively connected with power module, data memory module, wired
Network transmission module and clock synchronization module；In described air regenerating device and tunnel, the corresponding relation of alarm is for one-to-one, or
Person is one-to-many；In described tunnel face alarm and tunnel, alarm is audible-visual annunciator；Described main frame is also connected with wirelessly
Communication module；Described main frame is also connected with operating client, operates the authority of client to be less than host service function authority；Described sulfur
Change sensor of the hydrogen sensor using model GLH200.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620691414.8U CN206057268U (en) | 2016-07-04 | 2016-07-04 | Hydrogen sulfide intelligent monitor system based on CAN communication bus measurement and control system of tunnel |
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|---|---|---|---|
| CN201620691414.8U CN206057268U (en) | 2016-07-04 | 2016-07-04 | Hydrogen sulfide intelligent monitor system based on CAN communication bus measurement and control system of tunnel |
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| CN206057268U true CN206057268U (en) | 2017-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942897A (en) * | 2017-10-30 | 2018-04-20 | 昆明川金诺化工股份有限公司 | Hydrogen sulfide gas automatic control system in calcium dihydrogen phosphate production |
-
2016
- 2016-07-04 CN CN201620691414.8U patent/CN206057268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942897A (en) * | 2017-10-30 | 2018-04-20 | 昆明川金诺化工股份有限公司 | Hydrogen sulfide gas automatic control system in calcium dihydrogen phosphate production |
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