阅读说明：本技术 隧道内多气体监测系统 (Multi-gas monitoring system in tunnel ) 是由 汪志江 董合费 邱浩 王生 赵子山 吴香华 林克慧 胡晓凡 范浙朝 朱婷婷 麻方 于 2021-08-16 设计创作，主要内容包括：本发明涉及一种隧道内多气体监测系统,其特征是：包括设于隧道外的操控室,设于隧道内的轨道和若干基站,所述操控室内设有相互连接的环境监控主机和LED显示屏,隧道的掌子面设有与环境监控主机连接的第一多气体监测变送器,所述轨道上活动设置有与环境监控主机连接的第二多气体监测变送器,所述轨道为纵向贯穿有方形通孔的长条形结构。该隧道内多气体监测系统能够监测隧道内多种气体浓度、能够移动监测、监测结果更加准确、结构稳定可靠且方便读取数据。(The invention relates to a multi-gas monitoring system in a tunnel, which is characterized in that: including locating the control room outside the tunnel, locate track and a plurality of basic station in the tunnel, control indoor environmental monitoring host computer and the LED display screen that is equipped with interconnect, the face in tunnel is equipped with the gaseous monitoring changer of the first many that are connected with environmental monitoring host computer, the activity is provided with the gaseous monitoring changer of the second many that is connected with environmental monitoring host computer on the track, the track is for vertically running through the rectangular shape structure who has square through hole. The tunnel internal multi-gas monitoring system can monitor the concentration of various gases in the tunnel, can perform mobile monitoring, has more accurate monitoring result, stable and reliable structure and is convenient for reading data.)

1. Many gas monitoring system in tunnel, characterized by: including locating the control room outside the tunnel, locate track and a plurality of basic station in the tunnel, control indoor environmental monitoring host computer and the LED display screen that is equipped with interconnect, the face in tunnel is equipped with the gaseous monitoring changer of the first many that are connected with environmental monitoring host computer, the activity is provided with the gaseous monitoring changer of the second many that is connected with environmental monitoring host computer on the track, the track is for vertically running through the rectangular shape structure who has square through hole.

2. The in-tunnel multi-gas monitoring system of claim 1, wherein: the bottom surface of the track is provided with an opening communicated with the square through hole, and the front end and the rear end of the track are detachably provided with plugs capable of blocking the square through hole and the two ends of the opening.

3. The in-tunnel multi-gas monitoring system of claim 2, wherein: the track below is equipped with the first protection box that is used for placing the many gas monitoring transmitters of second, is equipped with servo motor, power and the PLC who is used for controlling servo motor in the first protection box, and servo motor's pivot is worn out first protection box and is changeed epaxial cover and be equipped with first bearing, and first bearing is located the opening, and is equipped with the support that stretches into in the square through hole on the first bearing, and the support upper portion left and right sides all is equipped with the second bearing, and two second bearings pass through the rotation axis and connect, and the axis of rotation both ends are equipped with the action wheel that supports on the square through hole bottom surface, the pivot upper end is equipped with horizontal conical gear, be equipped with the vertical conical gear with horizontal conical gear meshing in the axis of rotation, support lower part both sides all are equipped with many connecting rods, rotate on the connecting rod and be equipped with the leading wheel, be equipped with the open slot that holds the leading wheel activity on the track of opening both sides.

4. The in-tunnel multi-gas monitoring system of claim 3, wherein: the track lower extreme is equipped with first pulley, and the activity is equipped with the support on the track, and the support lower extreme is equipped with the second pulley of the same vertical face of first pulley, connecting wire between the many gas monitoring transmitters of environment monitoring host computer and second starts to wind around first pulley then wind around the second pulley and pass first protection box at last and be connected with the many gas monitoring transmitters of second from the environment monitoring host computer.

5. The in-tunnel multi-gas monitoring system of claim 4, wherein: the track is characterized in that auxiliary rails are transversely arranged on two sides of the track, rollers located in the auxiliary rails are arranged on two sides of the upper portion of the support, the rollers on one side of the support are driven by a motor, the motor is arranged on the support, and a power supply and a PLC (programmable logic controller) used for controlling the motor are further arranged on the support.

6. The in-tunnel multi-gas monitoring system according to claim 3, 4 or 5, wherein: the tunnel face in tunnel can be dismantled and be equipped with the second protection box of placing first many gas monitoring changer, and the tunnel lateral wall can be dismantled and be equipped with the third protection box of placing the basic station, first protection box, second protection box and third protection box all are equipped with the through-hole that holds the connecting wire and pass, and first protection bottom of the box portion is equipped with a plurality of bleeder vents of aiming at the many gas monitoring changer of second, and second protection bottom of the box portion is equipped with a plurality of bleeder vents of aiming at first many gas monitoring changer.

7. The in-tunnel multi-gas monitoring system of claim 6, wherein: the first multi-gas monitoring transmitter and the second multi-gas monitoring transmitter respectively comprise a combustible gas sensor, a hydrogen sulfide gas sensor, a temperature and humidity sensor, an oxygen gas sensor and a carbon dioxide gas sensor.

8. The in-tunnel multi-gas monitoring system of claim 6, wherein: the base station transmits data obtained by the environment monitoring host to the monitoring software platform and the mobile device through a network cable and/or GPRS, and the monitoring software platform and the mobile device are used for data display, data storage and system alarm.

9. The in-tunnel multi-gas monitoring system of claim 6, wherein: the distance between every two adjacent base stations is 100-300m, and the ion face of the base station at the innermost side of the tunnel is not less than 200 m.

Technical Field

The invention relates to the field of tunnel security, in particular to a multi-gas monitoring system in a tunnel.

Background

The tunnel is at the in-process of construction, because the tunnel space is narrow and small, and ventilation effect is poor, may have toxic gas in the tunnel, and these toxic gas can harm constructor's healthy, surpasss normal standard when these gas concentration, and the workman is still continuing the construction, may cause serious construction accident, therefore we provide a many gas monitoring system in the tunnel to prior art's not enough.

Disclosure of Invention

In view of the defects of the background art, the technical problem to be solved by the invention is to provide a tunnel multi-gas monitoring system which can monitor the concentration of various gases in a tunnel, can perform mobile monitoring, has more accurate monitoring result, stable and reliable structure and is convenient for reading data.

Therefore, the invention is realized by adopting the following technical scheme:

many gas monitoring system in tunnel, characterized by: including locating the control room outside the tunnel, locate track and a plurality of basic station in the tunnel, control indoor environmental monitoring host computer and the LED display screen that is equipped with interconnect, the face in tunnel is equipped with the gaseous monitoring changer of the first many that are connected with environmental monitoring host computer, the activity is provided with the gaseous monitoring changer of the second many that is connected with environmental monitoring host computer on the track, the track is for vertically running through the rectangular shape structure who has square through hole.

Furthermore, the bottom surface of the track is provided with an opening communicated with the square through hole, and the front end and the rear end of the track are detachably provided with plugs capable of blocking the square through hole and the two ends of the opening.

Furthermore, a first protection box for placing a second multi-gas monitoring transmitter is arranged below the track, a servo motor, a power supply and a PLC (programmable logic controller) for controlling the servo motor are arranged in the first protection box, a rotating shaft of the servo motor penetrates out of the first protection box, a first bearing is sleeved on the rotating shaft, the first bearing is positioned in the opening, and the first bearing is provided with a support which extends into the square through hole, the left side and the right side of the upper part of the support are provided with second bearings which are connected through a rotating shaft, two ends of the rotating shaft are provided with driving wheels which are abutted against the bottom surface of the square through hole, the upper end of the rotating shaft is provided with a transverse conical gear, the rotating shaft is provided with a vertical conical gear meshed with the transverse conical gear, the two sides of the lower portion of the support are provided with a plurality of connecting rods, guide wheels are arranged on the connecting rods in a rotating mode, and open grooves for accommodating the guide wheels to move are formed in the tracks on the two sides of the opening.

Furthermore, the track lower extreme is equipped with first pulley, and the activity is equipped with the support on the track, and the support lower extreme is equipped with the second pulley of the same vertical face of first pulley, the connecting wire between environment monitoring host computer and the many gas monitoring transmitters of second begins to wind around first pulley then wind around the second pulley from environment monitoring host computer and passes first protection box at last and be connected with the many gas monitoring transmitters of second.

Further, the track both sides all transversely are equipped with the secondary rail, support upper portion both sides are equipped with the gyro wheel that is located the secondary rail, and the gyro wheel of support one side is by motor drive, and on the support was located to the motor, still be equipped with the power on the support and be used for the PLC of control motor.

Further, the tunnel face in tunnel can be dismantled and be equipped with the second protection box of placing first many gas monitoring changer, and the tunnel lateral wall can be dismantled and be equipped with the third protection box of placing the basic station, first protection box, second protection box and third protection box all are equipped with the through-hole that holds the connecting wire and pass, and first protection box bottom is equipped with a plurality of bleeder vents of aiming at the many gas monitoring changer of second, and second protection box bottom is equipped with a plurality of bleeder vents of aiming at first many gas monitoring changer.

Furthermore, the first multi-gas monitoring transmitter and the second multi-gas monitoring transmitter respectively comprise a combustible gas sensor, a hydrogen sulfide gas sensor, a temperature and humidity sensor, an oxygen gas sensor and a carbon dioxide gas sensor.

Further, the base station transmits data obtained by the environment monitoring host to the monitoring software platform and the mobile device through a network cable and/or GPRS, and the monitoring software platform and the mobile device are used for data display, data storage and system alarm.

Further, the distance between every two adjacent base stations is 100-300m, and the ion tunnel surface of the base station at the innermost side of the tunnel is not less than 200 m.

The invention has the following advantages:

1. the tunnel face of the tunnel is provided with a first multi-gas monitoring transmitter connected with an environment monitoring host, so that the real-time monitoring of the working environment of the tunnel face can be ensured, the track is movably provided with a second multi-gas monitoring transmitter connected with the environment monitoring host, so that different positions of the tunnel can be monitored along the track, a servo motor and a motor can be set by a PLC (programmable logic controller) to be started and stopped at fixed time, the purpose of monitoring at fixed time and fixed point is achieved, the pertinence is strong, and the monitoring result is more accurate;

2. the opening of the track faces downwards, so that the track can be effectively prevented from being accumulated with dust, the probability that other impurities enter the track during tunnel construction can be greatly reduced, and the probability that other impurities enter the track during construction is further reduced due to the arrangement of the plugs;

3. when the second multi-gas monitoring transmitter needs to move, the servo motor is driven to drive the transverse bevel gear, the vertical bevel gear, the rotating shaft and the driving wheel to rotate, the driving wheel drives the support, the servo motor, the second multi-gas monitoring transmitter and the first protection box to move on the rail, meanwhile, the PLC control motor drives the roller to rotate, the roller drives the support, the motor and the second pulley to move on the rail, so that a connecting wire between the environment monitoring host and the second multi-gas monitoring transmitter is always wound on the first pulley and the second pulley, the phenomenon that the connecting wire falls on the ground or is wound in a disordered manner can be effectively avoided, and the structure is stable and reliable;

4. the first multi-gas monitoring transmitter is provided with a second protection box, the second multi-gas monitoring transmitter is provided with a first protection box, and the base station is provided with a third protection box, so that the first multi-gas monitoring transmitter, the second multi-gas monitoring transmitter and the base station can be better protected, and the dustproof and waterproof effects are better;

5. first many gaseous monitoring changer and the many gaseous monitoring changer of second monitor the tunnel internal gas, and transmit to monitoring software platform and mobile device (cell-phone etc.) through basic station (net twine and/or GPRS), the toxic gas exceeds standard and the oxygen is not enough the time system reports to the police, remind the staff to need take measures to make operational environment reach the safety requirement, equidistant being provided with a plurality of basic stations in the tunnel, it is unobstructed to make the tunnel internal network, the staff gets into and opens special APP and can look over each gas concentration in real time to use the mobile device in the tunnel, conveniently read data, whether the toxic gas content exceeds standard in the grasp tunnel.

Drawings

The invention has the following drawings:

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic view of a first protection box linked with a rail according to the present invention;

FIG. 3 is a schematic structural diagram of a rail, a first protection box, a first pulley, a second pulley and an environment monitoring host machine according to the present invention;

fig. 4 is a schematic structural view of a rail, a bracket, a first pulley and a second pulley in the present invention.

Reference numerals: 1. a control room; 2. a track; 3. a base station; 4. an environment monitoring host; 5. an LED display screen; 6. a square through hole; 7. an opening; 8. a first protective case; 9. a rotating shaft; 10. a first bearing; 11. a support; 12. a second bearing; 13. a rotating shaft; 14. a driving wheel; 15. a transverse bevel gear; 16. a vertical bevel gear; 17. a connecting rod; 18. a guide wheel; 19. an open slot; 20. a first pulley; 21. a support; 22. a second pulley; 23. a connecting wire; 24. a secondary rail; 25. a roller; 26. a motor; 27. a combustible gas sensor; 28. a hydrogen sulfide gas sensor; 29. a temperature and humidity sensor; 30. an oxygen gas sensor; 31. a carbon dioxide gas sensor; 32. a network cable; 33. GPRS (general packet radio service); 34. monitoring a software platform; 35. a mobile device.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Referring to the attached drawings, the multi-gas monitoring system in the tunnel provided by the invention is characterized in that: the environment monitoring and transmitting device comprises an operation and control room 1 arranged outside a tunnel, a track 2 and a plurality of base stations 3 arranged in the tunnel, wherein an environment monitoring host 4 and an LED display screen 5 which are connected with each other are arranged in the operation and control room 1, a first multi-gas monitoring transmitter connected with the environment monitoring host 4 is arranged on the tunnel face of the tunnel, a second multi-gas monitoring transmitter connected with the environment monitoring host 4 is movably arranged on the track 2, the track 2 is of a strip-shaped structure with a square through hole 6 longitudinally penetrating through, an opening 7 communicated with the square through hole 6 is arranged on the bottom face of the track 2, plugs capable of blocking the two ends of the square through hole 6 and the opening 7 are detachably arranged at the front end and the rear end of the track 2, a first protection box 8 for placing the second multi-gas monitoring transmitter is arranged below the track 2, a servo motor, a power supply and a PLC for controlling the servo motor are arranged in the first protection box 8, a rotating shaft 9 of the servo motor penetrates out of the first protection box 8, and a first bearing 10 is sleeved on the rotating shaft 9, first bearing 10 is located opening 7, and is equipped with the support 11 that stretches into in square through hole 6 on first bearing 10, and the support 11 upper portion left and right sides all is equipped with second bearing 12, and two second bearings 12 pass through axis of rotation 13 and connect, and axis of rotation 13 both ends are equipped with the action wheel 14 of support on square through hole 6 bottom surface, pivot 9 upper end is equipped with horizontal conical gear 15, be equipped with on the axis of rotation 13 with the vertical conical gear 16 of horizontal conical gear 15 meshing, support 11 lower part both sides all are equipped with many connecting rods 17, rotate on the connecting rod 17 and are equipped with leading wheel 18, be equipped with on the track 2 of opening 7 both sides and hold the open slot 19 of leading wheel 18 activity, track 2 lower extreme is equipped with first pulley 20, and the activity is equipped with support 21 on the track 2, and support 21 lower extreme is equipped with the second pulley 22 of the same vertical face of first pulley 20, connecting wire 23 between environment monitoring host 4 and the many gas monitoring transmitters of second begins to wind first pulley 20 from environment monitoring host 4 Then the tunnel passes through the first protection box 8 and is connected with the second multi-gas monitoring transmitter by bypassing the second pulley 22, the two sides of the track 2 are both transversely provided with the auxiliary rails 24, the two sides of the upper part of the bracket 21 are provided with the rollers 25 positioned in the auxiliary rails 24, the roller 25 at one side of the bracket 21 is driven by the motor 26, the motor 26 is arranged on the bracket 21, the bracket 21 is also provided with the power supply and the PLC for controlling the motor 26, the tunnel face is detachably provided with the second protection box for placing the first multi-gas monitoring transmitter, the tunnel side wall is detachably provided with the third protection box for placing the base station 3, the first protection box 8, the second protection box and the third protection box are all provided with through holes for allowing the connecting wires 23 to pass through, the bottom of the first protection box 8 is provided with a plurality of air holes aligning with the second multi-gas monitoring transmitter, the bottom of the second protection box is provided with a plurality of air holes aligning with the first multi-gas monitoring transmitter, the first multi-gas monitoring transmitter and the second multi-gas monitoring transmitter respectively comprise a combustible gas sensor 27, a hydrogen sulfide gas sensor 28, a temperature and humidity sensor 29, an oxygen gas sensor 30 and a carbon dioxide gas sensor 31, the base station 3 transmits data obtained by the environment monitoring host 4 to a monitoring software platform 34 and a mobile device 35 through a network cable 32 and/or GPRS33, the monitoring software platform 34 and the mobile device 35 are used for data display, data storage and system alarm, the distance between every two adjacent base stations 3 is 100-300m, and the distance between the base stations 3 at the innermost side of the tunnel is not less than 200m from the tunnel face.

In this embodiment, the tunnel face of the tunnel is provided with a first multi-gas monitoring transmitter connected with the environment monitoring host 4, which can ensure real-time monitoring of the working environment of the tunnel face, the track 2 is movably provided with a second multi-gas monitoring transmitter connected with the environment monitoring host 4, which can monitor different positions of the tunnel along the track 2, and can also be opened and closed at regular time by setting a servo motor and a motor 26 through a PLC, so as to achieve the purpose of monitoring at regular fixed points, and the tunnel face monitoring system has strong pertinence and more accurate monitoring results; the opening 7 of the track 2 faces downwards, so that dust accumulation of the track 2 can be effectively prevented, the probability that other impurities enter the track 2 during tunnel construction can be greatly reduced, and the probability that other impurities enter the track 2 during construction is further reduced due to the arrangement of the plug; when the second multi-gas monitoring transmitter needs to move, the servo motor is driven to drive the transverse bevel gear 15, the vertical bevel gear 16, the rotating shaft 13 and the driving wheel 14 to rotate, the driving wheel 14 drives the support 11, the servo motor, the second multi-gas monitoring transmitter and the first protection box 8 to move on the track 2, meanwhile, the PLC control motor 26 drives the roller 25 to rotate, the roller 25 drives the support 21, the motor 26 and the second pulley 22 to move on the track 2, so that the connecting wire 23 between the environment monitoring host 4 and the second multi-gas monitoring transmitter is always wound on the first pulley 20 and the second pulley 22, the phenomenon that the connecting wire 23 falls on the ground or is wound in a disordered manner can be effectively avoided, and the structure is stable and reliable; the first multi-gas monitoring transmitter is provided with a second protection box, the second multi-gas monitoring transmitter is provided with a first protection box 8, and the base station 3 is provided with a third protection box, so that the first multi-gas monitoring transmitter, the second multi-gas monitoring transmitter and the base station 3 can be better protected, and the dustproof and waterproof effects are better; gaseous monitoring transmitter in first many gas monitoring transmitter and the many gas monitoring transmitter of second monitor the tunnel, and transmit to monitoring software platform 34 and mobile device 35 (cell-phone etc.) through basic station 3 (net twine 32 and/or GPRS33), the toxic gas exceeds standard and the oxygen is not enough the time system alarm, remind the staff to need to take measures to make operational environment reach the safety requirement, equidistant being provided with a plurality of basic stations 3 in the tunnel, can make the interior network of tunnel unobstructed, the staff gets into and uses mobile device 35 to open special APP and can look over each gas concentration in real time in the tunnel, conveniently read data, whether the toxic gas content exceeds standard in the grasp tunnel.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.