Field fixed regular observation point observation device for fault gas
By designing a fixed, periodic observation device, the problem of inconsistent measurement points in soil air flow observation was solved, ensuring the consistency of observation conditions and data accuracy, reducing the impact of environmental factors, and providing a convenient measurement channel.
Patent Information
- Application Number
- CN202421452576.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-06-24
AI Technical Summary
In the existing technology, soil gas flow observation adopts the method of drilling holes with a steel drill and taking samples for measurement, which results in inconsistency in the measurement points each time, artificially introduces observation errors, and affects the accuracy of the data.
Design a field fixed periodic observation device for fault gas, including components such as base, connecting hole, air intake pipe, valve, sleeve, drainage surface and observation port, to ensure the fixed position of the observation point, prevent outside air from mixing in, protect the air intake pipe, prevent rainwater from accumulating, and provide a convenient measurement channel.
This achieved consistency in observation conditions, reduced the impact of environmental factors on observation, and improved the accuracy of observation data and ease of operation.
Smart Images
Figure CN223471010U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of observation, in particular to a fault gas field fixed periodic observation point observation device. BACKGROUND
[0002] Fixed periodic observation is used for obtaining the change of fault gas composition, and observation is generally conducted once every three months. At present, soil gas flow observation is conducted in the mode of steel drill punching and sampling measurement, and the point position and operation mode are not consistent every time, so that observation errors are introduced by human beings, and the accuracy of observation data is affected. CONTENT OF THE UTILITY MODEL
[0003] In view of the defects in the prior art, one of the purposes of the application is to provide a fault gas field fixed periodic observation point observation device which can obtain the change of fault gas composition and ensure the consistency of observation conditions and reduce the influence of environmental factors on observation.
[0004] The above purpose of the application is realized by the following technical scheme:
[0005] A fault gas field fixed periodic observation point observation device comprises a base, and a communication hole is arranged on the base and used for being communicated with an observation hole.
[0006] By adopting the above technical scheme, the base is corresponded to the observation hole, so that the position of the observation point is fixed, the consistency of observation conditions is ensured when field observation is conducted periodically, and the influence of environmental factors on observation is reduced.
[0007] In a preferred example, the base is further provided with a gas guide pipe which is used for being communicated with the observation hole.
[0008] By adopting the above technical scheme, the gas guide pipe is communicated with the communication hole, so that the gas guide pipe is communicated with the observation hole, and the operator can observe soil gas flow through the gas guide pipe.
[0009] In a preferred example, the gas guide pipe is further provided with a valve which is used for avoiding that external air is mixed into the observation point.
[0010] By adopting the above technical scheme, the valve avoids that external air is mixed into the observation point, so that the observation data is more accurate.
[0011] In a preferred example, the base is further provided with a sleeve which is used for protecting the gas guide pipe.
[0012] By adopting the above technical scheme, the sleeve protects the gas guide pipe, so that the gas guide pipe is not easily damaged.
[0013] The application can be further configured in a preferred example that the base is provided with a drainage surface, and the drainage surface is used to prevent rainwater from remaining and infiltrating on the base.
[0014] By adopting the technical scheme, the drainage surface prevents rainwater from remaining and infiltrating on the base, so that the service life of the base is longer.
[0015] The application can be further configured in a preferred example that the drainage surface is a slope surface.
[0016] By adopting the technical scheme, the drainage effect of the base with the slope surface is better.
[0017] The application can be further configured in a preferred example that the base is provided with an observation port, and an operator measures soil gas flow through the observation port.
[0018] By adopting the technical scheme, it is more convenient to measure soil gas flow.
[0019] The application can be further configured in a preferred example that the observation port is provided with a protective cover, and the protective cover is used to prevent sundries from falling into the sleeve from the side.
[0020] By adopting the technical scheme, the protective cover prevents sundries from falling into the sleeve from the side, so that the protective effect of the sleeve on the air induction pipe is better.
[0021] The application can be further configured in a preferred example that the base is provided with a drainage slope surface, the drainage slope surface is used to prevent rainwater from remaining and infiltrating on the observation port, the protective cover is provided with a push plate, the push plate is used to drive the protective cover to move vertically, and a gap formed by the push plate and the drainage slope surface makes it more convenient to open the protective cover.
[0022] By adopting the technical scheme, the drainage surface prevents rainwater from remaining and infiltrating on the observation port, reduces the probability of water entering the base, and the push plate and the drainage slope surface cooperate to make it more convenient to open the protective cover.
[0023] The application can be further configured in a preferred example that the base is provided with a sliding groove, a fixed block and a convex block, the fixed block is used to prevent the protective cover from falling off the base, the convex block is used to prevent the protective cover from falling off the observation port, and the protective cover is provided with a sliding plate, the sliding plate and the sliding groove cooperate to open or close the protective cover.
[0024] By adopting the technical scheme, the fixed block prevents the protective cover from falling off the base, the convex block is used to prevent the protective cover from falling off the observation port, and the sliding plate moves upward in the sliding groove to open or close the protective cover, so that the sealing effect between the protective cover and the observation port is good. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a structural schematic diagram of an embodiment of the application.
[0026] Figure 2 is a schematic diagram of a profile structure of an embodiment of the application.
[0027] Figure 3 is a schematic diagram of a vertical profile structure of a sleeve and a protective cover of an embodiment of the application.
[0028] Figure 4 is a schematic diagram of a horizontal profile structure of a sleeve and a protective cover of an embodiment of the application.
[0029] Reference signs: 1, base; 2, air lead pipe; 3, valve; 4, sleeve; 5, drainage surface; 6, observation port; 7, protective cover; 71, sliding plate; 72, push plate; 73, fixed block; 74, protruding block; 8, cover plate; 9, sliding groove; 10, drainage slope. DETAILED DESCRIPTION
[0030] The application will be further described in detail below with reference to the accompanying drawings.
[0031] Reference is made to Figure 1 and Figure 2 , a device for observing a fault gas field fixed observation point disclosed by the application, comprising a base 1, the base 1 is provided with a communication hole, the communication hole is used for being communicated with an observation hole, the base 1 is provided with an air lead pipe 2 and a sleeve 4, the air lead pipe 2 is used for being communicated with the communication hole, the air lead pipe 2 is provided with a valve 3, the valve 3 is used for avoiding external air mixing into the observation point, in the embodiment, the valve 3 can adopt a ball valve, the sleeve 4 is used for protecting the air lead pipe 2 and a ground temperature cable.
[0032] The base 1 is provided with a drainage surface 5, the drainage surface 5 is a slope surface, the drainage surface 5 is used for preventing rainwater from remaining and infiltrating on the base 1.
[0033] The base 1 is provided with an observation port 6 and a cover plate 8, the observation port 6 and the cover plate 8 are installed on the sleeve 4, the observation port 6 is provided with a protective cover 7, in the embodiment, the observation port 6 and the protective cover 7 can adopt a rotary connection, the protective cover 7 is used for preventing sundries from falling into the sleeve 4 from the side, an operator measures soil gas flow through the observation port 6, the cover plate 8 is used for preventing sundries from falling into the sleeve 4 from the top.
[0034] Reference is made to Figure 3 and Figure 4Further, the base 1 is provided with a drainage slope 10, a sliding groove 9, a fixing block 73 and a protrusion 74. The fixing block 73 is used to prevent the protective cover 7 from falling off the base 1. In the embodiment, the fixing block 73 can be a magnet. The fixing block 73 is provided with at least two blocks. One of the fixing blocks 73 is used to attract the protective cover 7 when the observation port 6 is in the closed state. Both of the fixing blocks 73 are used to attract the protective cover 7 when the observation port 6 is in the fully opened state. The protrusion 74 is used to prevent the protective cover from falling off the observation port 6. The sliding plate 71 and the sliding groove 9 are matched to open or close the protective cover 7. The protective cover 7 is provided with a push plate 72 and a sliding plate 71. The drainage slope 10 is used to prevent rainwater from remaining and infiltrating on the observation port 6. The push plate 72 is used to drive the protective cover 7 to move vertically. The gap formed by the push plate 72 and the drainage slope 10 makes it more convenient to open the protective cover 7.
[0035] During measurement, the protective cover 7 on the observation port 6 is opened first. The valve 3 on the air lead pipe 2 is opened through the observation port 6. The soil gas flow in the air lead pipe 2 is measured. After the measurement is completed, the valve 3 is closed to avoid external air from mixing in and affecting the measurement result. Then, the protective cover 7 is covered to prevent sundries from falling into the casing pipe 4 from the side.
[0036] The implementation principle of the embodiment is as follows: a square cement base with a height of 0.1 m and a specification of 1.5 m X 1.5 m is built on the observation hole. A cement casing pipe with a diameter of about 0.3 m is placed on the base. The base 1 and the observation hole are connected to fix the position of the observation point. Thus, the consistency of the observation condition is ensured when the field observation is carried out regularly. The air lead pipe 2 connected to the hole is arranged on the base 1. Thus, the operator can measure the soil gas flow through the air lead pipe 2. Thus, the measurement is more convenient.
[0037] The embodiments of the specific implementation are the preferred embodiments of the application, which do not limit the protection scope of the application. Therefore, equivalent changes made according to the structure, shape and principle of the application should be covered in the protection scope of the application.
Claims
1. A fault gas field fixed periodic observation point observation device, characterized in that: The base (1) is provided with a communication hole, an air guide pipe (2), a drainage surface (5), an observation hole (6) and a drainage slope (10). The communication hole is used for communication with the observation hole. The air guide pipe (2) is used for communication with the communication hole. The drainage surface (5) is used for preventing rainwater from remaining and infiltrating on the base (1). An operator measures the soil gas flow through the observation hole (6). The drainage slope (10) is used for preventing rainwater from remaining and infiltrating on the observation hole (6). The protective cover (7) is provided with a push plate (72) for driving the protective cover (7) to move vertically. The gap formed by the push plate (72) and the drainage slope (10) makes it more convenient to open the protective cover (7). The observation hole (6) is provided with the protective cover (7) for preventing sundries from falling into the sleeve (4) from the side.
2. The fault gas field fixed periodic observation point observation device according to claim 1, characterized in that: The air guide pipe (2) is provided with a valve (3) for avoiding the mixing of external air into the observation point.
3. The fault gas field fixed periodic observation point observation device according to claim 1, characterized in that: The base (1) is provided with the sleeve (4) for protecting the air guide pipe (2).
4. The fault gas field fixed periodic observation point observation device according to claim 1, characterized in that: The drainage surface (5) is a slope.
5. The fault gas field fixed periodic observation point observation device according to claim 1, characterized in that: The base (1) is provided with a sliding groove (9), a fixed block (73) and a protrusion (74). The fixed block (73) is used for preventing the protective cover (7) from falling off the base (1). The protrusion (74) is used for preventing the protective cover (7) from falling off the observation hole (6). The protective cover (7) is provided with a sliding plate (71) for opening or closing the protective cover (7) in cooperation with the sliding groove (9).