CN201796469U - Combustible gas detection and monitoring early warning system for inspection well - Google Patents
Combustible gas detection and monitoring early warning system for inspection well Download PDFInfo
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- CN201796469U CN201796469U CN2010202597438U CN201020259743U CN201796469U CN 201796469 U CN201796469 U CN 201796469U CN 2010202597438 U CN2010202597438 U CN 2010202597438U CN 201020259743 U CN201020259743 U CN 201020259743U CN 201796469 U CN201796469 U CN 201796469U
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Abstract
The utility model relates to a combustible gas detection and monitoring early warning system for an inspection well, which comprises a main frame and an explosion-proof tank connected with the main frame by an explosion-proof cable, wherein the main frame is fixed on the ground and connected with an underground vertical shaft by an inclined shaft, the bottom of the inclined shaft is provided with explosion-proof daub close to the underground vertical shaft, the explosion-proof tank is fixed on the side wall of the underground vertical shaft and is provided with a gas-sensitive sensor, the bottom of the explosion-proof tank is connected with a temperature and humidity sensor by another explosion-proof cable, and the temperature and humidity sensor extends to the bottom of the underground vertical shaft. The combustible gas detection and monitoring early warning system for an inspection well has the following beneficial effects: a catalytic combustion manner is utilized to detect field density, the stability is stronger, the main circuit is separated from the detection circuit so as to be convenient for subsequent maintenance work; a shell burying manner is adopted for encapsulation so as to be favorable for the work of a solar panel group, thus being beneficial to the long-term power supply of the whole system; and the system is divided into two separated parts, thus improving the safety level of the system.
Description
Technical field
The utility model relates to a kind of inspection shaft inflammable gas and detects and monitoring early-warning system.
Background technology
Existing the municipal pipeline of One's name is legion below urban road, carrying public resources such as combustion gas (comprising rock gas, biogas, artificial coal gas etc.), water, electricity and communication, is the important component part of city and life.Ducts and pipes crisscross for these, interrelated, wherein the inflammable gas in gas pipeline and the sewer line not only exists in pipeline itself even can cause potential safety hazard by underpass and soil permeability in other pipelines.This also hidden danger fail in time to find or in time handle the people life property loss who causes also to happen occasionally.
But because condition restriction, the vertical shaft of One's name is legion and transport pipeline are carried out manual detection not only wastes time and energy, and the staff is very big to the accuracy influence of data, the staff goes into the well or enters environment measuring and also has certain safety problem simultaneously, so unrealistic to the inflammable gas manual detection.According to demand on the market, various warning devices are all made by many companies, its principle is by the detection of gas technology, micro-computer technology, wireless communication technique, multiple means such as computer software and network application makes managerial personnel in time understand gas on-site concentration, avoids the property loss that causes because of leakage, greatly reduces managerial personnel's workload and the loss that is caused by sheer good luck so at heart.But this system does not have the omnibearing influence of considering the environment comprehensive factor, has ignored the influence of humiture to gas burst.
The utility model content
The purpose of this utility model provides a kind of inspection shaft inflammable gas and detects and monitoring early-warning system, utilize the mode of catalytic combustion to detect on-the-spot concentration, stability is stronger, main circuit and testing circuit are separated the maintenance work that is convenient to the later stage, form with buried housing encapsulates the long-term power supply that the work that makes things convenient for solar panel group helps total system, to overcome present prior art above shortcomings.
The purpose of this utility model is to be achieved through the following technical solutions: a kind of inspection shaft inflammable gas detects and monitoring early-warning system, comprise main frame and the explosion-proof tank that is connected by explosion-proof cable with main frame, described main frame is fixed on the ground and by inclined shaft and is connected with underground vertical shaft, the bottom of inclined shaft closely descends the vertical shaft place to be provided with explosion-proof clay, described explosion-proof tank is fixed on the sidewall of underground vertical shaft, explosion-proof tank is provided with gas sensor, the bottom of explosion-proof tank is connected with Temperature Humidity Sensor by another explosion-proof cable, and Temperature Humidity Sensor stretches into the bottom of underground vertical shaft; Described main frame comprises housing, the top of housing is provided with fixedly iron hoop, fixedly be provided with withstand voltage glass between iron hoop and the housing, withstand voltage glass and fixedly between the iron hoop, be provided with rubber seal between withstand voltage glass and the housing, the middle part of inner walls is arranged with insulcrete, the above and below of insulcrete is by double-screw bolt difference fixed solar plate and circuit board, pass through glue fixed antenna and lithium battery between solar panels and the insulcrete, wherein antenna is connected with communication module by clinching, communication module is by the end face of screw retention in circuit board, and lithium battery is connected with solar panels by lead.
The beneficial effects of the utility model are: utilize the mode of catalytic combustion to detect on-the-spot concentration, stability is stronger, and system itself carries the only power supply of 3.7V, and each operational module is the voltage power supply below 5V all, safety and reliability; Main circuit and testing circuit are separated the maintenance work that is convenient to the later stage, make things convenient for the work of solar panel group to help the long-term power supply of total system with the encapsulation of the form of buried housing.System is divided into two parts and the two is separated the safe class of raising system itself.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the structural representation of described inspection shaft inflammable gas detection of the utility model embodiment and monitoring early-warning system; Fig. 2 is the cut-open view of main frame in described inspection shaft inflammable gas detection of the utility model embodiment and the monitoring early-warning system.
Among the figure: 1, main frame; 2, explosion-proof cable; 3, explosion-proof tank; 4, inclined shaft; 5, underground vertical shaft; 6, explosion-proof clay; 7, gas sensor; 8, explosion-proof cable; 9, Temperature Humidity Sensor; 10, housing; 11, fixing iron hoop; 12, withstand voltage glass; 13, rubber seal; 14, insulcrete; 15, double-screw bolt; 16, solar panels; 17, circuit board; 18, antenna; 19, lithium battery; 20, communication module.
Embodiment
Shown in Fig. 1-2, the described a kind of inspection shaft inflammable gas of the utility model embodiment detects and monitoring early-warning system, comprise main frame 1 and the explosion-proof tank 3 that is connected by explosion-proof cable 2 with main frame 1, described main frame 1 is fixed on the ground and by inclined shaft 4 and is connected with underground vertical shaft 5, the bottom of inclined shaft 4 closely descends vertical shaft 5 places to be provided with explosion-proof clay 6, described explosion-proof tank 3 is fixed on the sidewall of underground vertical shaft 5, explosion-proof tank 3 is provided with gas sensor 7, the bottom of explosion-proof tank 3 is connected with Temperature Humidity Sensor 9 by another explosion-proof cable 8, and Temperature Humidity Sensor 9 stretches into the bottom of underground vertical shaft 5; Described main frame 1 comprises housing 10, the top of housing 10 is provided with fixedly iron hoop 11, fixedly be provided with withstand voltage glass 12 between iron hoop 11 and the housing 10, withstand voltage glass 12 and fixedly between the iron hoop 11, be provided with rubber seal 13 between withstand voltage glass 12 and the housing 10, the middle part of housing 10 inwalls is arranged with insulcrete 14, the above and below of insulcrete 14 is by double-screw bolt 15 difference fixed solar plate 16 and circuit boards 17, pass through glue fixed antenna 18 and lithium battery 19 between solar panels 16 and the insulcrete 14, wherein antenna 18 is connected with communication module 20 by clinching, communication module 20 is by the end face of screw retention in circuit board 17, and lithium battery 19 is connected with solar panels 16 by lead.
During concrete the use; the power supply of system is made up of solar panels 16, lithium battery 19 and charge-discharge control circuit; solar panels 16 are under solar radiation; power to lithium battery 19 chargings and to system by charge-discharge control circuit; when not having solar radiation; charge-discharge circuit provides electric energy from lithium battery 19 power takings to system, and charge-discharge control circuit comprises charging circuit, holding circuits such as discharge circuit and overcurrent, overtemperature.This product function is complete to have warning function, management function, real time monitoring function: warning function, and ambient concentration exceeds standard, and water level is too high, and situations such as device damage and battery low pressure all can send to the related personnel with short message mode.Management function, system can be provided with different management functions according to different stage, and strict in addition the encryption guarantees safety.Real-time detection function, by the GPRS wireless telecommunications, the user checks on-the-spot environmental data whenever and wherever possible.
Master control system and electric power system are operated in the higher zone of safe class, two system integrations in the middle of an airtight space, be placed on inspection shaft around.Acquisition module all is to have the high security operation element by explosion-proof authentication, can expose fully under the inflammable gas environment and work.By separating the element of different level of securitys, the security of the whole data collection terminal that makes has improved greatly like this.Separating of two parts, make the maintenance in later stage and maintenance become convenient safety.The mode that utilization is different from the catalytic combustion of their infrared detection technique detects on-the-spot concentration, and stability is stronger, and system itself carries the only power supply of 3.7V, and each operational module is the voltage power supply below 5V all, safety and reliability; Main circuit and testing circuit are separated the maintenance work that is convenient to the later stage, make things convenient for the work of solar panel group to help the long-term power supply of total system with the encapsulation of the form of buried housing.
Claims (2)
1. an inspection shaft inflammable gas detects and monitoring early-warning system, comprise main frame (1) and the explosion-proof tank (3) that is connected by explosion-proof cable (2) with main frame (1), it is characterized in that: described main frame (1) is fixed on the ground and by inclined shaft (4) and is connected with underground vertical shaft (5), the bottom of inclined shaft (4) closely descends vertical shaft (5) to locate to be provided with explosion-proof clay (6), described explosion-proof tank (3) is fixed on the sidewall of underground vertical shaft (5), explosion-proof tank (3) is provided with gas sensor (7), the bottom of explosion-proof tank (3) is connected with Temperature Humidity Sensor (9) by another explosion-proof cable (8), and Temperature Humidity Sensor (9) stretches into the bottom of underground vertical shaft (5).
2. inspection shaft inflammable gas according to claim 1 detects and monitoring early-warning system, it is characterized in that: described main frame (1) comprises housing (10), the top of housing (10) is provided with fixedly iron hoop (11), fixedly be provided with withstand voltage glass (12) between iron hoop (11) and the housing (10), withstand voltage glass (12) and fixedly between the iron hoop (11), respectively be provided with rubber seal (13) between withstand voltage glass (12) and the housing (10), the middle part of housing (10) inwall is arranged with insulcrete (14), the above and below of insulcrete (14) is by double-screw bolt (15) difference fixed solar plate (16) and circuit board (17), pass through glue fixed antenna (18) and lithium battery (19) between solar panels (16) and the insulcrete (14), wherein antenna (18) is connected with communication module (20) by clinching, communication module (20) is by the end face of screw retention in circuit board (17), and lithium battery (19) is connected with solar panels (16) by lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202597438U CN201796469U (en) | 2010-07-15 | 2010-07-15 | Combustible gas detection and monitoring early warning system for inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202597438U CN201796469U (en) | 2010-07-15 | 2010-07-15 | Combustible gas detection and monitoring early warning system for inspection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201796469U true CN201796469U (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202597438U Expired - Fee Related CN201796469U (en) | 2010-07-15 | 2010-07-15 | Combustible gas detection and monitoring early warning system for inspection well |
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| CN (1) | CN201796469U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393447A (en) * | 2011-11-14 | 2012-03-28 | 河南汉威电子股份有限公司 | Solar energy gas detector |
| CN102606889A (en) * | 2012-02-29 | 2012-07-25 | 南京朗坤软件有限公司 | Gas valve pit leakage monitoring terminal |
| CN103151600A (en) * | 2013-02-22 | 2013-06-12 | 广州市自来水公司 | Antenna installation structure of underground pipeline monitoring device |
| CN104776319A (en) * | 2015-02-05 | 2015-07-15 | 北京理工大学 | Multi-path air sampling type online monitoring method and system for fuel gas in inspection well |
| CN110927213A (en) * | 2019-10-31 | 2020-03-27 | 天地（常州）自动化股份有限公司 | Residual coal spontaneous combustion danger grading early warning method based on goaf temperature and index gas |
-
2010
- 2010-07-15 CN CN2010202597438U patent/CN201796469U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393447A (en) * | 2011-11-14 | 2012-03-28 | 河南汉威电子股份有限公司 | Solar energy gas detector |
| CN102393447B (en) * | 2011-11-14 | 2014-07-02 | 河南汉威电子股份有限公司 | Solar energy gas detector |
| CN102606889A (en) * | 2012-02-29 | 2012-07-25 | 南京朗坤软件有限公司 | Gas valve pit leakage monitoring terminal |
| CN103151600A (en) * | 2013-02-22 | 2013-06-12 | 广州市自来水公司 | Antenna installation structure of underground pipeline monitoring device |
| CN104776319A (en) * | 2015-02-05 | 2015-07-15 | 北京理工大学 | Multi-path air sampling type online monitoring method and system for fuel gas in inspection well |
| CN104776319B (en) * | 2015-02-05 | 2017-10-10 | 北京理工大学 | Combustion gas on-line monitoring method and system in multichannel air sampling type inspection shaft |
| CN110927213A (en) * | 2019-10-31 | 2020-03-27 | 天地（常州）自动化股份有限公司 | Residual coal spontaneous combustion danger grading early warning method based on goaf temperature and index gas |
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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: 20110413 Termination date: 20130715 |