Tunnel environment monitoring device
Technical Field
The utility model relates to the technical field of environment monitoring, in particular to a tunnel environment monitoring device.
Background
With rapid development of urbanization and industrialization, long-distance pipelines are widely used for conveying water, petroleum, natural gas and other resources. In order to improve space utilization efficiency and save construction cost, new pipelines often utilize existing tunnels. However, the environmental conditions of these existing tunnels are generally not ideal, and there may be potential safety hazards such as harmful gases, leakage of in-service pipelines, dust emission, abnormal temperature and humidity, and the like. Therefore, real-time environmental monitoring of such tunnels is critical to ensure safe construction of newly built pipelines.
The China patent with publication number CN109538908B discloses a cable tunnel humiture environment monitoring device mounting structure, which only monitors the humiture of a tunnel, cannot meet the requirement of the existing tunnel environment monitoring, and has the defects of complex structure and inconvenient maintenance.
Disclosure of utility model
The utility model provides a tunnel environment monitoring device which is simple in structure, convenient to assemble, disassemble and maintain and capable of meeting the requirement of monitoring the existing tunnel environment.
The utility model provides a tunnel environment monitoring device which comprises a fixed support and a monitor, wherein the fixed support comprises a base, an extension part and a fixed seat, the fixed seat comprises a bottom plate and side plates which are oppositely arranged on two sides of the bottom plate, one side of each side plate, which is far away from the bottom plate, is folded towards the middle of the bottom plate, the monitor comprises a shell, an oxygen content sensor, a toxic gas sensor, a combustible gas sensor and a dust sensor, the oxygen content sensor, the toxic gas sensor, the combustible gas sensor and the dust sensor are arranged outside the shell, and the shell can be clamped between the two side plates.
In one embodiment, the bottom of the shell is provided with a mounting seat, the mounting seat is fixed on the bottom of the shell by a connecting column, and the oxygen content sensor, the toxic gas sensor, the combustible gas sensor and the dust sensor are all arranged on one side, deviating from the shell, of the mounting seat.
In one embodiment, the mounting seat is provided with a protective net cover on one side away from the shell, and the oxygen content sensor, the toxic gas sensor, the combustible gas sensor and the dust sensor are all arranged in the protective net cover.
In one embodiment, the mounting seat is spaced from the bottom of the housing, and a wind speed sensor is disposed on a side of the mounting seat adjacent to the housing.
In one embodiment, the connecting column is of a hollow structure, and the cable can pass through the connecting column.
In one embodiment, the top of the shell is also provided with an audible and visual alarm.
In one embodiment, the surface of the housing is further provided with a display screen.
In one embodiment, the inside of the shell is provided with a control module, a communication module, a positioning module and a power supply module, wherein the communication module, the positioning module and the power supply module are electrically connected with the control module, and the oxygen content sensor, the toxic gas sensor, the combustible gas sensor and the dust sensor are electrically connected with the control module.
In one embodiment, the tunnel environment monitoring devices are arranged at equal intervals along the length direction of the tunnel.
In one embodiment, the distance between two adjacent tunnel environment monitoring devices is 15 meters.
Compared with the prior art, the fixing support has the advantages that the fixing support is simple in structure and high in reliability, the fixing base can clamp the inserted monitor through deformation to a certain extent, and when the monitor needs to be detached for maintenance, the monitor can be directly pulled out of the fixing base, so that the operation is very simple and convenient. The oxygen content sensor, the toxic gas sensor, the combustible gas sensor and the dust sensor on the monitor can monitor the environment in the tunnel in multiple aspects so as to ensure construction safety.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an installation position of a tunnel environment monitoring device according to an embodiment of the present utility model;
FIG. 2 is a block diagram of a tunnel environment monitoring device in an embodiment of the utility model;
fig. 3 is a front view of a monitor in an embodiment of the utility model.
Reference numerals:
1. The device comprises a fixing bracket, 11, a base, 12, an extension part, 13, a fixing seat, 131, a bottom plate, 132, a side plate, 2, a monitor, 21, a shell, 221, an oxygen content sensor, 222, a toxic gas sensor, 223, a combustible gas sensor, 224, a dust sensor, 225, a wind speed sensor, 23, a mounting seat, 24, a connecting column, 25, a protective screen, 26, an audible and visual alarm, 27 and a display screen.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the tunnel environment monitoring device according to an embodiment of the present utility model includes a fixing bracket 1 and a monitor 2, where the fixing bracket 1 includes a base 11, an extension portion 12, and a fixing base 13, and the fixing base 13 includes a bottom plate 131 and side plates 132 disposed on two sides of the bottom plate 131, and one side of the side plate 132 away from the bottom plate 131 is folded toward the middle of the bottom plate 131. The base 11 is fixed on the wall of tunnel by the bolt, and extension 12 then provides the space for the installation of bolt, and fixing base 13 then can press from both sides tight monitor 2.
As shown in fig. 3, the monitor 2 includes a housing 21, and an oxygen content sensor 221, a toxic gas sensor 222, a combustible gas sensor 223, and a dust sensor 224, which are disposed outside the housing 21, and the housing 21 can be clamped between the two side plates 132.
The fixed support 1 has simple structure and high reliability, the fixed seat 13 can clamp the inserted monitor 2 by deforming to a certain extent, and when the monitor 2 needs to be disassembled for maintenance, the monitor 2 can be directly pulled out of the fixed seat 13, so that the operation is very simple and convenient. The oxygen content sensor 221, the toxic gas sensor 222, the combustible gas sensor 223 and the dust sensor 224 on the monitor 2 can monitor the environment in the tunnel in multiple aspects so as to ensure construction safety.
In one embodiment, the housing 21 is provided with a control module, and a communication module, a positioning module and a power supply module electrically connected to the control module, and the oxygen content sensor 221, the toxic gas sensor 222, the combustible gas sensor 223 and the dust sensor 224 are all electrically connected to the control module. The control module is responsible for receiving the monitoring data of each sensor and processing and storing the data, the communication module is connected with the control module and sends the processed data to the monitoring center in a wireless or wired mode, the power supply module is used for providing stable power supply for each sensor and the control module, and the positioning module is used for determining the specific installation position of the tunnel environment monitoring device in a tunnel.
When the tunnel length is longer, the area with the environment abnormality can be rapidly positioned by means of the positioning module, so that the area where the dangerous environment is located is determined.
As shown in fig. 3, the bottom of the casing 21 is provided with a mounting seat 23, the mounting seat 23 is fixed on the bottom of the casing 21 by a connecting column 24, and an oxygen content sensor 221, a toxic gas sensor 222, a combustible gas sensor 223 and a dust sensor 224 are all arranged on one side of the mounting seat 23, which is away from the casing 21. The sensors are arranged on the mounting seat 23 in a concentrated manner, so that the assembly process is simpler, and cables of the sensors are arranged uniformly.
Further, the side of the mounting seat 23 facing away from the housing 21 is provided with a protective screen 25, and the oxygen content sensor 221, the toxic gas sensor 222, the combustible gas sensor 223 and the dust sensor 224 are all disposed in the protective screen 25. The protection screen 25 can provide the guard action for each sensor, reduces its probability that directly receives external force impact, and the contact of each sensor and the air in the tunnel can not be kept away to the protection screen 25, and the air can pass the protection screen 25 comparatively smoothly, makes each sensor can accurately reflect the environment in the current tunnel and be good or bad.
As shown in fig. 3, the mounting seat 23 is spaced from the bottom of the housing 21, and a wind speed sensor 225 is provided on the side of the mounting seat 23 close to the housing 21. The wind speed sensor 225 can monitor the air flow rate in the tunnel to more fully reflect the environment in the tunnel. The wind speed sensor 225 and other sensors are respectively disposed on both sides of the mounting base 23, so that interference of the other sensors to the wind speed sensor 225 can be reduced.
In this embodiment, the connecting post 24 is of a hollow structure, and the cable can pass through the connecting post 24, so that the cable can be reduced from being exposed, a certain protection effect is provided for the cable, and the whole is more attractive.
As shown in fig. 2 and 3, the top of the housing 21 is also provided with an audible and visual alarm 26. The audible and visual alarm 26 is electrically connected with the control module inside the casing 21, and when the indexes monitored by the sensors exceed the safety values, the audible and visual alarm 26 can give out audible and visual alarms, so that warning is provided, and constructors can withdraw from the tunnel.
As shown in fig. 2 and 3, the surface of the housing 21 is also provided with a display screen 27. The display screen 27 can intuitively display each index data of the current tunnel environment, so that constructors can conveniently check the index data.
In this embodiment, the tunnel environment monitoring devices are disposed at equal intervals along the length direction of the tunnel, so that good environment monitoring can be performed on all positions of the tunnel.
Further, the distance between two adjacent tunnel environment monitoring devices is 15 meters. Too large a distance between two adjacent tunnel environment monitoring devices can cause that the monitoring result cannot well reflect the environment condition in the current tunnel, too small a distance between two adjacent tunnel environment monitoring devices can cause higher cost, and therefore the distance between the two adjacent tunnel environment monitoring devices is set to be 15 meters, which is quite suitable.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.