CN110030496B - Tunnel drainage pipeline pre-embedded type blockage monitoring system and using method - Google Patents
Tunnel drainage pipeline pre-embedded type blockage monitoring system and using method Download PDFInfo
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- CN110030496B CN110030496B CN201910305268.9A CN201910305268A CN110030496B CN 110030496 B CN110030496 B CN 110030496B CN 201910305268 A CN201910305268 A CN 201910305268A CN 110030496 B CN110030496 B CN 110030496B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
Abstract
The invention discloses a tunnel drainage pipeline pre-embedded blockage monitoring system and a using method thereof. The water level monitoring device (7) is connected with the data reading and recording device (10); the water level monitoring device (7) comprises a tunnel drainage pipeline communicating vessel (5), one end of the tunnel drainage pipeline communicating vessel (5) is connected with the saddle-shaped bypass (2), a floating ball type liquid level meter (6) is arranged at the other end of the tunnel drainage pipeline communicating vessel (5), and the floating ball type liquid level meter (6) is connected with a data reading and recording device (10). The invention has the characteristics of simple structure, strong applicability and good economical efficiency.
Description
Technical Field
The invention relates to the field of monitoring of tunnel drainage pipelines, in particular to a pre-embedded blocking monitoring system for a tunnel drainage pipeline and a using method of the pre-embedded blocking monitoring system.
Background
The traffic system of China is developed rapidly, and the tunnel is an important component of the traffic system. The tunnel drainage system is easy to have the problems of unsmooth drainage, local pipeline blockage and the like, so that the whole tunnel drainage system fails, the water load behind the tunnel lining is increased, the problems of lining cracking, water leakage or faults of supporting electrical equipment in the tunnel and the like are caused, the maintenance period of the tunnel is shortened, and the service life and the operation safety of the tunnel are seriously influenced.
At present, the tunnel drainage mode in China is a drainage system consisting of tunnel drainage pipelines (including annular drainage pipelines, longitudinal drainage pipelines and transverse drainage pipelines), a central drainage channel and a tunnel drainage measurement channel. The existing pipeline blockage monitoring devices are roughly divided into laser detection, endoscopic camera detection, pressure sensors, pulse generation devices and the like according to the working principle. However, the pipeline blockage monitoring device mainly has the following defects: firstly, tunnel drainage pipelines often have turning, joints and the like, and a laser detection device cannot realize turning and is limited; secondly, the tunnel length is normal from hundreds of meters to thousands of meters, and the matched tunnel drainage pipeline is also the same or longer, so that the detection of blockage by using the endoscopic camera is limited; thirdly, if the original water head is large and the water pressure change is not obvious after the blockage, the pressure sensor can not judge the blockage condition of the pipeline; finally, the conventional high-frequency geological radar is complex in tunnel pipeline blockage detection operation and is passive detection in a 'sheep death and reinforcement' mode.
Disclosure of Invention
The invention aims to provide a pre-buried blockage monitoring system for a tunnel drainage pipeline and a using method thereof. The invention has the characteristics of simple structure, strong applicability and good economical efficiency.
The technical scheme of the invention is as follows: a pre-buried blocking monitoring system for a tunnel drainage pipeline comprises a water level monitoring device, wherein the water level monitoring device is connected with a data reading and recording device; the water level monitoring device comprises a tunnel drainage pipeline communicating vessel, one end of the tunnel drainage pipeline communicating vessel is connected with the saddle-shaped bypass, a floating ball type liquid level meter is arranged at the other end of the tunnel drainage pipeline communicating vessel, and the floating ball type liquid level meter is connected with the data reading and recording device.
In the system for monitoring pre-buried blockage of tunnel drainage pipeline, the data reading and recording device comprises a recorder, and the output end of the recorder is connected with the input end of a computer; the floating ball type liquid level meter is connected with a recorder.
In the tunnel drainage pipeline embedded blockage monitoring system, one end of the tunnel drainage pipeline communicating vessel is also provided with an anti-blocking grid.
In the tunnel drainage pipeline embedded blockage monitoring system, a leak-proof rubber gasket is further arranged at a port at one end of the tunnel drainage pipeline communicating vessel.
In the tunnel drainage pipeline pre-buried blockage monitoring system, a rubber pad is further arranged on the inner side of the saddle-shaped bypass.
In the tunnel drainage pipeline embedded blockage monitoring system, the floating ball type liquid level meter is connected with the recorder through the signal processing circuit.
In the system for monitoring pre-buried blockage of tunnel drainage pipeline, the signal processing circuit includes an operational amplifier circuit connected to an output end of the floating ball type liquid level meter, a signal filter circuit connected to an output end of the operational amplifier circuit, and an a/D conversion circuit connected to an output end of the signal filter circuit; the output end of the A/D conversion circuit is connected with a recorder.
The use method of the pre-buried blocking monitoring system for the tunnel drainage pipeline comprises the following steps: the water level monitoring devices are arranged on a plurality of sections of the tunnel drainage pipeline; when the device is installed, the tunnel drainage pipeline communicating vessel is fixed on the tunnel drainage pipeline through the saddle-shaped bypass, and the tunnel drainage pipeline communicating vessel is communicated with the tunnel drainage pipeline; each floating ball type liquid level meter sends detected water level data to a data reading and recording device, the data reading and recording device calculates the water level difference of the water level data of the positions of the adjacent floating ball type liquid level meters, and the blocking condition of a certain section in a tunnel drainage pipeline is monitored according to the water level difference.
In the use method of the pre-buried blockage monitoring system for the tunnel drainage pipeline, the water level monitoring device is installed near the joint position of the transverse drainage pipeline and the longitudinal drainage pipeline of the tunnel drainage pipeline, and/or near the position of the longitudinal drainage pipeline close to the central drainage channel.
In the use method of the pre-buried blocking monitoring system for the tunnel drainage pipeline, the other end of the tunnel drainage pipeline communicating vessel is also communicated with a central drainage channel and/or a tunnel drainage measurement channel in the tunnel.
Advantageous effects
Compared with the prior art, the pre-buried blockage monitoring system for the tunnel drainage pipeline has the structure that the water level monitoring devices and the data reading and recording devices are arranged, each water level monitoring device comprises a tunnel drainage pipeline communicating device, one end of each tunnel drainage pipeline communicating device is connected with the saddle-shaped bypass, the other end of each tunnel drainage pipeline communicating device is provided with the floating ball type liquid level meter, and the floating ball type liquid level meters are connected with the data reading and recording devices; when the water level monitoring device is used, the water level monitoring device is arranged on a plurality of sections of the tunnel drainage pipeline, and when the water level monitoring device is arranged, the saddle-shaped bypass is mechanically connected with the tunnel drainage pipeline communicating vessel, and the tunnel drainage pipeline communicating vessel is communicated with the tunnel drainage pipeline; each floating ball type liquid level meter sends detected water level data to a data reading and recording device, the data reading and recording device calculates the water level difference of the water level data of the positions of the adjacent floating ball type liquid level meters, and the blocking condition of a certain section in a tunnel drainage pipeline is monitored according to the water level difference; through the structure, the real-time and preventive monitoring of the blockage of the tunnel drainage pipeline is realized, once the blockage occurs in a certain section in the tunnel drainage pipeline, the blockage can be immediately monitored by the system, and timely dredging treatment can be carried out before diseases such as water leakage and the like occur, so that the situation of passive maintenance of 'sheep death and reinforcement' after the diseases such as cracking of a lining, water leakage and the like are to be found is avoided, the blockage detection and maintenance of the tunnel drainage pipeline are changed into passive treatment as active treatment, and the post-treatment is changed into preventive pre-treatment. Simultaneously, the monitoring of the turning of tunnel drainage pipe, the jam of joint department has easily been realized, and the jam monitoring of tunnel length when several hundred meters to several kilometers, and the suitability is stronger. Meanwhile, the pre-buried blocking monitoring system for the tunnel drainage pipeline is simple in structure, easy to implement, low in manufacturing cost and capable of effectively reducing the monitoring investment cost.
The water level monitoring device is arranged near the joint position of the transverse drainage pipeline and the longitudinal drainage pipeline of the tunnel drainage pipeline, so that the blocking condition of the joint of the transverse drainage pipeline and the longitudinal drainage pipeline can be more accurately monitored, the situation that the water level difference error caused by overlong drainage pipelines is introduced into the water level difference of the joint to influence the reflection accuracy of the water level difference of the joint on the blocking condition of the joint is avoided, and the monitoring accuracy is further improved.
The other end of the tunnel drainage pipeline communicating vessel is communicated with a central drainage channel and/or a tunnel drainage measuring channel in the tunnel; through the structure, the floating ball type liquid level meter firstly plays a role of communicating with the atmosphere, so that the liquid level can be accurately measured; secondly, once when tunnel drainage pipe takes place to block up, can play certain reposition of redundant personnel function, avoid because the pipe presses too big, makes the pipeline destroy.
In conclusion, the invention has the characteristics of simple structure, strong applicability and good economical efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a tunnel drain pipe communicating vessel;
FIG. 3 is a schematic top view of the tunnel drainpipe connector;
FIG. 4 is a schematic view of a saddle bypass configuration;
FIG. 5 is a schematic bottom view of the saddle bypass;
FIG. 6 is a schematic layout of tunnel drainpipe;
FIG. 7 is a schematic sectional view showing an installation position of the water level monitor apparatus;
fig. 8 is a schematic top view of the installation position of the water level monitoring device.
Reference numerals: 1-rubber pad, 2-saddle bypass, 3-leakproof rubber gasket, 4-anti-blocking grating, 5-tunnel drainage pipeline communicating vessel, 6-floating ball type liquid level meter, 7-water level monitoring device, 8-recorder, 9-computer, 10-data reading and recording device, 11-tunnel drainage pipeline, 12-transverse drainage pipeline, 13-longitudinal drainage pipeline, 14-central drainage channel, 15-tunnel drainage ditch and 16-annular drainage pipeline.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example 1. A pre-buried blocking monitoring system for tunnel drainage pipelines is shown in figures 1-8 and comprises a water level monitoring device 7, wherein the water level monitoring device 7 is connected with a data reading and recording device 10; the water level monitoring device 7 comprises a tunnel drainage pipeline communicating vessel 5, one end of the tunnel drainage pipeline communicating vessel 5 is connected with the saddle-shaped bypass 2, a floating ball type liquid level meter 6 is arranged at the other end of the tunnel drainage pipeline communicating vessel 5, and the floating ball type liquid level meter 6 is connected with a data reading and recording device 10. The working principle of the floating ball type liquid level meter 6 is that the displacement of the floating ball along with the liquid level change is converted into an analog linear electric signal to be output by utilizing the buoyancy principle of liquid to the floating ball on the floating ball type liquid level meter. The measuring range of the floating ball type liquid level meter 6 is larger than the pipe diameter of the tunnel drainage pipeline 11. The floating ball type liquid level meter 6 and the data reading and recording device 10 are connected in a conventional communication connection, and the connection purpose is to transmit water level data detected by the floating ball type liquid level meter 6 to the data reading and recording device 10 for processing. The floating ball type liquid level meter 6 is a floating ball type liquid level meter 6 with a conventional model, such as the floating ball type liquid level meter 6 with the model of UQK-92.
The data reading and recording device 10 comprises a recorder 8, wherein the output end of the recorder 8 is connected with the input end of a computer 9; the floating ball type liquid level meter 6 is connected with a recorder 8. The recorder 8 is used for collecting and storing water level data detected by the floating ball type liquid level meter 6, and sending the collected and stored water level data to the computer 9 for data processing to obtain the water level difference of the water level data of the position of the adjacent floating ball type liquid level meter 6. The recorder 8 is a conventional recorder 8, such as a recorder 8 of type SIN-R200D.
An anti-blocking grid 4 is also arranged at one end of the tunnel drainage pipeline communicating vessel 5. This arrangement prevents the clogging of the tunnel drain line communicating vessel 5 by foreign matter in the tunnel drain line 11. The tunnel drainage pipeline communicating vessel 5 is made of high-density polyethylene, has material properties of oxidation resistance, high strength and good wear resistance, and has the characteristics of excellent corrosion resistance, impact resistance, low temperature resistance, self lubrication and small flow resistance.
The port at one end of the tunnel drainage pipeline communicating vessel 5 is also provided with a leakproof rubber gasket 3. The structure can avoid liquid leakage at the communication position between the tunnel drainage pipeline 11 and the tunnel drainage pipeline communicating vessel 5.
The inner side of the saddle-shaped bypass 2 is also provided with a rubber pad 1. During installation, the rubber pad 1 is positioned between the saddle-shaped bypass 2 and the tunnel drainage pipeline 11, so that abrasion between the saddle-shaped bypass 2 and the tunnel drainage pipeline 11 can be avoided.
The floating ball type liquid level meter 6 is connected with a recorder 8 through a signal processing circuit. The water level data detected by the floating ball type liquid level meter 6 is an analog signal, and is identified by the recorder 8 after being processed into a digital signal by the signal processing circuit.
The signal processing circuit comprises an operational amplifier circuit connected with the output end of the floating ball type liquid level meter 6, a signal filter circuit connected with the output end of the operational amplifier circuit, and an A/D (analog/digital) conversion circuit connected with the output end of the signal filter circuit; and the output end of the A/D conversion circuit is connected with a recorder 8. The operational amplifier circuit, the signal filter circuit and the A/D conversion circuit are all conventional signal processing circuits.
The use method of the pre-buried blocking monitoring system for the tunnel drainage pipeline comprises the following steps: the water level monitoring devices 7 are arranged on a plurality of sections of the tunnel drainage pipeline 11; when the device is installed, the tunnel drainage pipeline communicating vessel 5 is fixed on the tunnel drainage pipeline 11 through the saddle-shaped bypass 2, and the tunnel drainage pipeline communicating vessel 5 is communicated with the tunnel drainage pipeline 11; each floating ball type liquid level meter 6 sends the detected water level data to the data reading and recording device 10, the data reading and recording device 10 calculates the water level difference of the water level data of the positions of the adjacent floating ball type liquid level meters 6, and the blocking condition of a certain section in the tunnel drainage pipeline 11 is monitored according to the water level difference. The tunnel drainage pipeline 11 is composed of a transverse drainage pipeline 12, a longitudinal drainage pipeline 13 and a circumferential drainage pipeline 16.
In the use method of the pre-buried blockage monitoring system for the tunnel drainage pipeline, the water level monitoring device 7 is installed near the joint position of the transverse drainage pipeline 12 and the longitudinal drainage pipeline 13 of the tunnel drainage pipeline 11, and/or near the position of the longitudinal drainage pipeline 13 close to the central drainage channel 14.
The aforementioned tunnel drain pipe communicator 5 is also in communication at the other end with a central drain channel 14 and/or tunnel drain gully 15 in the tunnel.
Claims (7)
1. A pre-buried blocking monitoring system for a tunnel drainage pipeline is characterized by comprising a water level monitoring device (7), wherein the water level monitoring device (7) is connected with a data reading and recording device (10); the water level monitoring device (7) comprises a tunnel drainage pipeline communicating vessel (5), one end of the tunnel drainage pipeline communicating vessel (5) is connected with the saddle-shaped bypass (2), the other end of the tunnel drainage pipeline communicating vessel (5) is provided with a floating ball type liquid level meter (6), and the floating ball type liquid level meter (6) is connected with a data reading and recording device (10);
when in use, the water level monitoring devices (7) are arranged on a plurality of sections of the tunnel drainage pipeline (11); when the device is installed, the tunnel drainage pipeline communicating vessel (5) is fixed on the tunnel drainage pipeline (11) through the saddle-shaped bypass (2), and the tunnel drainage pipeline communicating vessel (5) is communicated with the tunnel drainage pipeline (11); each floating ball type liquid level meter (6) sends detected water level data to a data reading and recording device (10), the data reading and recording device (10) calculates the water level difference of the water level data of the positions of the adjacent floating ball type liquid level meters (6), and the blocking condition of a certain section in a tunnel drainage pipeline (11) is monitored according to the water level difference;
the water level monitoring device (7) is arranged near the joint position of a transverse drainage pipeline (12) and a longitudinal drainage pipeline (13) of the tunnel drainage pipeline (11), and/or the position of the longitudinal drainage pipeline (13) close to a central drainage channel (14);
the other end of the tunnel drainage pipeline communicating vessel (5) is also communicated with a central drainage channel (14) and/or a tunnel drainage measuring channel (15) in the tunnel.
2. The system for monitoring the pre-buried blockage of the tunnel drainage pipeline according to claim 1, wherein the data reading and recording device (10) comprises a recorder (8), and an output end of the recorder (8) is connected with an input end of a computer (9); the floating ball type liquid level meter (6) is connected with the recorder (8).
3. The system for monitoring the pre-buried blockage of the tunnel drainage pipeline according to claim 1, wherein an anti-blocking grille (4) is further arranged at one end of the tunnel drainage pipeline communicating vessel (5).
4. The system for monitoring the pre-buried blockage of the tunnel drainage pipeline according to claim 1, wherein a leak-proof rubber gasket (3) is further arranged at a port at one end of the tunnel drainage pipeline communicating vessel (5).
5. The system for monitoring the pre-buried blockage of the tunnel drainage pipeline according to claim 1, characterized in that a rubber pad (1) is further arranged on the inner side of the saddle-shaped bypass (2).
6. The system for monitoring the pre-buried blockage of the tunnel drainage pipeline according to claim 2, characterized in that the floating ball type liquid level meter (6) is connected with a recorder (8) through a signal processing circuit.
7. The system for monitoring the pre-buried blockage of the tunnel drainage pipeline according to claim 6, wherein the signal processing circuit comprises an operational amplifier circuit connected with the output end of the floating ball type liquid level meter (6), a signal filtering circuit connected with the output end of the operational amplifier circuit, and an A/D (analog/digital) conversion circuit connected with the output end of the signal filtering circuit; the output end of the A/D conversion circuit is connected with a recorder (8).
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| CN201910305268.9A CN110030496B (en) | 2019-04-16 | 2019-04-16 | Tunnel drainage pipeline pre-embedded type blockage monitoring system and using method |
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| CN201910305268.9A CN110030496B (en) | 2019-04-16 | 2019-04-16 | Tunnel drainage pipeline pre-embedded type blockage monitoring system and using method |
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| CN110030496B true CN110030496B (en) | 2021-06-15 |
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