CN202421166U - Cable tunnel harmful gas monitoring system - Google Patents
Cable tunnel harmful gas monitoring system Download PDFInfo
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- CN202421166U CN202421166U CN2012200315506U CN201220031550U CN202421166U CN 202421166 U CN202421166 U CN 202421166U CN 2012200315506 U CN2012200315506 U CN 2012200315506U CN 201220031550 U CN201220031550 U CN 201220031550U CN 202421166 U CN202421166 U CN 202421166U
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Abstract
The utility model relates to the field of tunnel monitoring, and in particular relates to a cable tunnel harmful gas monitoring system. The system comprises a controlling terminal, a concentrator and a plurality of monitoring terminals; the controlling terminal is connected with the monitoring terminals through the concentrator; the monitoring terminals are arranged on a tunnel wall and used for acquiring content data of gas in a tunnel and sending the data to the concentrator; the concentrator is arranged outside the tunnel and used for receiving the data returned by the monitoring terminals and sending the data to the controlling terminal; and the controlling terminal is used for realizing data and information transmission with the concentrator through a communication network and controlling the monitoring terminals. The system can be used for realizing multi-point coverage and precise monitoring in the tunnel, alarming in time and providing an effective monitoring means for the safe operation of a cable tunnel line.
Description
Technical field
The utility model relates to tunnel monitoring field, particularly a kind of cable tunnel monitoring harmful gases system.
Background technology
The cable tunnel is that the power cable that lays and operate in wherein provides a good running environment.But; Because wearing out, insulating material produces harmful gas in the tunnel; The rotten volatilization gas that produces of bad sediment, the extraneous artificially burning in tunnel produces the phenomenon that harmful gas is invaded and assembled, and causes the interior oxygen level of air directly to influence the safety of cable machinery unusually; Improved the degree of risk of tunnel fire hazard, more can threaten and get into that the tunnel is maked an inspection tour, maintenance staff's life security.Therefore, harmful gas in the cable tunnel is monitored, control blower fan in the tunnel, scavenger fan etc. automatically, and can report to the police, the overall technology guarantee can be provided for the safe and reliable operation of power cable from the trend operator on duty according to monitoring result.
The method that existing cable tunnel monitoring harmful gas adopts is: the harmful gas concentration content through harmful gas sensor acquisition cable tunnel environment sends to Surveillance center with wired or wireless mode with data message.Existing cable tunnel monitoring harmful gases technology adopts the single-point path monitoring; Promptly only monitoring terminal is installed in a certain position in tunnel; Can't realize the multiple spot in the tunnel is covered the accurate location of monitoring and harmful gas position, cause accident to find that untimely, location of accident locatees out of true, generation that can not effectively fire preventing accident; Have significant limitation, can not satisfy the needs of practical application far away.
The utility model content
The purpose of the utility model is to overcome the deficiency and the defective of prior art, and a kind of cable tunnel monitoring harmful gases system is provided, and this system can realize that multiple spot covers and precise monitoring in the tunnel, and can in time report to the police.
The technical scheme of the utility model is following:
A kind of cable tunnel monitoring harmful gases system comprises: monitor terminal, concentrator and a plurality of monitoring terminal; Said monitor terminal is connected with said monitoring terminal through said concentrator;
Said monitoring terminal is installed on the wall of lane, tunnel, gathers in the tunnel gas content data and sends data to said concentrator;
Said concentrator is installed in outside the tunnel, receives the data that said monitoring terminal returns and sends to said monitor terminal;
Said monitor terminal is realized the transmission of data and information and is controlled said monitoring terminal through communication network and said concentrator.
Preferably, said monitoring terminal comprise power supply unit, be used to gather gas content data in the tunnel sensing unit, be used to send data communication unit, be used to judge gas content situation in the tunnel judging unit, be used to control the control module of exhaust system in the tunnel and be used to control the startup, power supply of said judging unit, control module and communication unit and the main control unit that receives return data;
Said power supply unit, sensing unit, communication unit and judging unit all are connected with said main control unit;
Said control module is connected with said judging unit;
Said communication unit is connected with said concentrator;
Said control module also with the tunnel in exhaust system be connected.
Preferably, the inferior electric battery mode of said power supply unit employing lithium is said main control unit power supply.
Preferably, said sensing unit is provided with ion-type cigarette propagated sensation sensor, CO sensor, CH
4Sensor, O
2Sensor, H
2The S sensor.
Preferably, said communication unit is connected with said concentrator through bus mode, and said bus mode is 485 buses or CAN bus.
Preferably, said concentrator is provided with grouping service wireless GPRS module, and the communication network between said monitor terminal and the said concentrator is a wireless network.
Preferably, said concentrator is provided with solar powered module.
Preferably, said concentrator also is provided with mobile communication module.
The utility model is provided with a plurality of monitoring terminals, can realize the position that multiple spot in the tunnel is covered monitoring and accurately locatees harmful gas; Exhaust system in the control module ability intelligent starting tunnel; Communication facilities adopts concentrator; Ability FastData to monitor terminal, transmission warning message are given the monitor staff; Thereby can find dangerous situation rapidly, avoid or the minimizing accident, reduce causality loss, effective monitoring means is provided for guaranteeing cable tunnel line security operation.
Description of drawings
Fig. 1 is the structured flowchart of monitoring system among embodiment of the utility model.
Fig. 2 is the structural representation of monitoring system among embodiment of the utility model.
Fig. 3 is the structured flowchart of monitoring terminal among embodiment of the utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is done further explain, but the embodiment of the utility model is not limited thereto.
As shown in Figure 1, the utility model provides a kind of cable tunnel monitoring harmful gases system, comprising: monitor terminal 1, concentrator 2 and a plurality of monitoring terminal 3; Said monitor terminal 1 is connected with said monitoring terminal 3 through said concentrator 2;
Said concentrator 2 is installed in outside the tunnel, receives the data that said monitoring terminal 3 returns and sends to said monitor terminal 1;
Said monitor terminal 1 is realized the transmission and the control monitoring terminal 3 of data and information through communication network and concentrator 2;
Particularly, as shown in Figure 2 is the structural representation of this system among the embodiment, and said monitoring terminal 3 is installed on the wall of lane, tunnel, and the number of monitoring terminal is decided according to the actual tunnel situation, it is encoded, as 31,32 ... 3n;
A plurality of monitoring terminals 3 are connected with concentrator 2 through 485 buses or CAN bus, and concentrator 2 is provided with grouping service wireless GPRS module, communicates through GPRS wireless network and monitor terminal 1; These monitoring terminals 3, concentrator 2 and monitor terminal 1 have just been formed the distributed network of a underground cable tunnel monitoring harmful gases.
As shown in Figure 3 is the structured flowchart of monitoring terminal 3, comprise power supply unit S1, be used to gather the sensing unit S2 of gas content data in the tunnel, the startup that is used to control said judging unit S5, control module S6 and communication unit S4, power supply and receive return data main control unit S3, be used to send data communication unit S4, be used to judge the judging unit S5 of gas content situation in the tunnel and be used to control the control module S6 of exhaust system in the tunnel;
Said power supply unit S1, sensing unit S2, communication unit S4 and judging unit S5 are connected with said main control unit S3;
Said control module S3 is connected with said judging unit S5;
Said communication unit S4 is connected with said concentrator 2;
Said control module S6 also with the tunnel in exhaust system be connected.
Said power supply unit S1 is used to said main control unit S3 power supply; Particularly, this power supply unit S1 adopts the inferior electric battery mode of lithium to supply power;
Said communication unit S4 is connected with said concentrator 2, is used to send data to said concentrator 2; Particularly, concentrator 2 is provided with grouping service wireless GPRS module, and the communication network between monitor terminal 1 and the concentrator 2 is a radio communication; Concentrator 2 is provided with solar powered module, adopts the sun power mode to supply power; Solar powered mode is the non-maintaining silicon energy storage device of 17.2V/60W solar panel and 12V/100AH, and accumulator can continue 20 days greater than 10 years at ice rain, the unglazed weather that shines serviceable life, kept the device power supply (DPS) supply, the equipment operate as normal; Concentrator 2 also is provided with mobile communication module.
Said sensing unit S2 is provided with ion-type cigarette propagated sensation sensor, CO sensor, CH
4Sensor, O
2Sensor, H
2The S sensor; Can gather gas content parameter in the cable tunnel in real time through the sensor, the cycle that also can be provided with is gathered gas content parameter in the cable tunnel.Particularly, sensing unit S2 can be set and monitor harmful gas and oxygen content in real time; Perhaps, through collection period is set in advance, every one-period, sensing unit S2 can start the collection gas content voluntarily, all the other time sensing unit S2 close automatically or standby to save electric weight.For example, collection period can be set to per hour gather once, and collection one in per 12 hours is inferior, and concrete can be provided with according to the user demand of reality.In addition, monitoring terminal 3 can also be gathered gas content again after the acquisition instructions that receives monitor terminal 1 transmission.
Judging unit S5 is used to judge the content situation of gas in the tunnel, and judged result is sent to main control unit S3; Particularly, judging unit S5 compares main control unit S3 gas concentration of calculating and the gas concentration normal value that pre-sets, judge harmful gas, oxygen content belong to normally, note, unusually, serious state.As: CO content≤8ppm is normal condition; 8ppm＜CO content≤10ppm is attention state; 10ppm＜CO content≤50ppm is ERST; CO content＞50ppm is serious state.Judging unit S5 sends to main control unit S3 with judged result.
Main control unit S3 judges that through judging unit S5 gas content surpasses normal value, and start-up control cell S 6 when belonging to unusual or serious state.Control module S6 starts the exhaust system in the tunnel through the switching value signal of output high-low level, like fan, blower fan etc., gets rid of the gathering of harmful gas.
Simultaneously, main control unit S3 is packaged into a frame message with the coded message of this monitoring terminal, unusual/serious state, starts communication unit S4, uploads to concentrator 2 through 485 buses or CAN bus.Concentrator 2 is uploaded message to monitor terminal 1 through the GPRS wireless communication mode, and concentrator 2 is provided with mobile communication module, can send alarming short message and give the monitor staff, and the very first time reminds the monitor staff to grasp the tunnel internal situation.
The message of 1 pair of reception of monitor terminal is resolved, and just can learn in a certain position of cable tunnel the harmful gas content overproof takes place, thereby take measure effectively to avoid the generation of accident.
Above-described the utility model embodiment does not constitute the qualification to the utility model protection domain.The modification of being done within any spirit and principle at the utility model, be equal to replacement and improvement etc., all should be included within the claim protection domain of the utility model.
Claims (8)
1. a cable tunnel monitoring harmful gases system is characterized in that, comprising: monitor terminal, concentrator and a plurality of monitoring terminal; Said monitor terminal is connected with said monitoring terminal through said concentrator;
Said monitoring terminal is installed on the wall of lane, tunnel, gathers in the tunnel gas content data and sends data to said concentrator;
Said concentrator is installed in outside the tunnel, receives the data that said monitoring terminal returns and sends to said monitor terminal;
Said monitor terminal is realized the transmission of data and information and is controlled said monitoring terminal through communication network and said concentrator.
2. cable tunnel according to claim 1 monitoring harmful gases system; It is characterized in that, said monitoring terminal comprises power supply unit, be used to gather the sensing unit of gas content data in the tunnel, be used to send data communication unit, be used to judge gas content situation in the tunnel judging unit, be used to control the control module of exhaust system in the tunnel and be used to control startup, the power supply of said judging unit, control module and communication unit and the main control unit that receives return data;
Said power supply unit, sensing unit, communication unit and judging unit all are connected with said main control unit;
Said control module is connected with said judging unit;
Said communication unit is connected with said concentrator;
Said control module also with the tunnel in exhaust system be connected.
3. cable tunnel according to claim 2 monitoring harmful gases system is characterized in that, it is said main control unit power supply that said power supply unit adopts the inferior electric battery mode of lithium.
4. cable tunnel according to claim 2 monitoring harmful gases system is characterized in that said sensing unit is provided with ion-type cigarette propagated sensation sensor, CO sensor, CH
4Sensor, O
2Sensor, H
2The S sensor.
5. cable tunnel according to claim 2 monitoring harmful gases system is characterized in that, said communication unit is connected with said concentrator through bus mode, and said bus mode is 485 buses or CAN bus.
6. cable tunnel according to claim 1 monitoring harmful gases system is characterized in that said concentrator is provided with grouping service wireless GPRS module, and the communication network between said monitor terminal and the said concentrator is a wireless network.
7. cable tunnel according to claim 1 monitoring harmful gases system is characterized in that said concentrator is provided with solar powered module.
8. cable tunnel according to claim 1 monitoring harmful gases system is characterized in that said concentrator also is provided with mobile communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200315506U CN202421166U (en) | 2012-02-01 | 2012-02-01 | Cable tunnel harmful gas monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200315506U CN202421166U (en) | 2012-02-01 | 2012-02-01 | Cable tunnel harmful gas monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN202421166U true CN202421166U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200315506U Expired - Lifetime CN202421166U (en) | 2012-02-01 | 2012-02-01 | Cable tunnel harmful gas monitoring system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904790A (en) * | 2012-09-28 | 2013-01-30 | 航天科工深圳（集团）有限公司 | Remote control area network (CAN) bus communication system and implementation method thereof |
| CN103777578A (en) * | 2012-10-19 | 2014-05-07 | 李成 | Electric power tunnel cable monitoring system with self-check and hot swap functions |
| CN104267170A (en) * | 2014-09-28 | 2015-01-07 | 中铁隧道集团有限公司 | Method for wirelessly monitoring gas between excavation working face of tunnel and monitoring substation |
| CN104316105A (en) * | 2014-10-14 | 2015-01-28 | 苏州德鲁森自动化系统有限公司 | Tunnel environment monitoring system |
| CN104833773A (en) * | 2015-04-21 | 2015-08-12 | 浙江科技学院 | Composite mobile tunnel blasting gas dust real time monitoring monocontrol system device |
| CN106053494A (en) * | 2016-05-26 | 2016-10-26 | 北京奇虎科技有限公司 | Method, device and mobile terminal for detecting hazardous articles |
| CN106952453A (en) * | 2017-04-19 | 2017-07-14 | 济南浪潮高新科技投资发展有限公司 | A kind of municipal pipeline pernicious gas detection based on internet, warning system |
| CN107589225A (en) * | 2017-10-25 | 2018-01-16 | 国网山东省电力公司龙口市供电公司 | Cable duct gas controlling device |
| CN108956724A (en) * | 2018-09-05 | 2018-12-07 | 江苏久创电气科技有限公司 | It is a kind of for monitoring the intelligent detector of cable tunnel multiple gases |
| CN109116793A (en) * | 2018-08-23 | 2019-01-01 | 国网江苏省电力有限公司盐城供电分公司 | A kind of environmental monitoring system for electric power tunnel |
| CN110196378A (en) * | 2019-05-24 | 2019-09-03 | 北京海益同展信息科技有限公司 | Inside plant detection method, device, equipment and storage medium |
| CN110823480A (en) * | 2019-10-31 | 2020-02-21 | 湖南国奥电力设备有限公司 | Underground cable fault early warning method and device based on gas detection |
| CN111879894A (en) * | 2020-07-02 | 2020-11-03 | 国网天津市电力公司 | Detection protection system for limited space and use method thereof |
-
2012
- 2012-02-01 CN CN2012200315506U patent/CN202421166U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904790A (en) * | 2012-09-28 | 2013-01-30 | 航天科工深圳（集团）有限公司 | Remote control area network (CAN) bus communication system and implementation method thereof |
| CN103777578A (en) * | 2012-10-19 | 2014-05-07 | 李成 | Electric power tunnel cable monitoring system with self-check and hot swap functions |
| CN103777578B (en) * | 2012-10-19 | 2016-08-31 | 李成 | Power tunnel cable monitoring method with self-inspection with warm connection function |
| CN104267170A (en) * | 2014-09-28 | 2015-01-07 | 中铁隧道集团有限公司 | Method for wirelessly monitoring gas between excavation working face of tunnel and monitoring substation |
| CN104267170B (en) * | 2014-09-28 | 2016-01-20 | 中铁隧道集团有限公司 | Wireless gas monitoring method between a kind of tunnel work face and outstation |
| CN104316105A (en) * | 2014-10-14 | 2015-01-28 | 苏州德鲁森自动化系统有限公司 | Tunnel environment monitoring system |
| CN104833773A (en) * | 2015-04-21 | 2015-08-12 | 浙江科技学院 | Composite mobile tunnel blasting gas dust real time monitoring monocontrol system device |
| CN104833773B (en) * | 2015-04-21 | 2016-06-15 | 浙江科技学院 | A kind of compound portable Tunnel Blasting gas dirt Real-Time Monitoring single control system and device processed |
| CN106053494A (en) * | 2016-05-26 | 2016-10-26 | 北京奇虎科技有限公司 | Method, device and mobile terminal for detecting hazardous articles |
| CN106952453A (en) * | 2017-04-19 | 2017-07-14 | 济南浪潮高新科技投资发展有限公司 | A kind of municipal pipeline pernicious gas detection based on internet, warning system |
| CN107589225A (en) * | 2017-10-25 | 2018-01-16 | 国网山东省电力公司龙口市供电公司 | Cable duct gas controlling device |
| CN109116793A (en) * | 2018-08-23 | 2019-01-01 | 国网江苏省电力有限公司盐城供电分公司 | A kind of environmental monitoring system for electric power tunnel |
| CN108956724A (en) * | 2018-09-05 | 2018-12-07 | 江苏久创电气科技有限公司 | It is a kind of for monitoring the intelligent detector of cable tunnel multiple gases |
| CN110196378A (en) * | 2019-05-24 | 2019-09-03 | 北京海益同展信息科技有限公司 | Inside plant detection method, device, equipment and storage medium |
| CN110823480A (en) * | 2019-10-31 | 2020-02-21 | 湖南国奥电力设备有限公司 | Underground cable fault early warning method and device based on gas detection |
| CN110823480B (en) * | 2019-10-31 | 2022-02-01 | 湖南国奥电力设备有限公司 | Underground cable fault early warning method and device based on gas detection |
| CN111879894A (en) * | 2020-07-02 | 2020-11-03 | 国网天津市电力公司 | Detection protection system for limited space and use method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |