CN112885056A - Automatic monitoring alarm device for gravity type underground cavity - Google Patents
Automatic monitoring alarm device for gravity type underground cavity Download PDFInfo
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- CN112885056A CN112885056A CN202110030605.5A CN202110030605A CN112885056A CN 112885056 A CN112885056 A CN 112885056A CN 202110030605 A CN202110030605 A CN 202110030605A CN 112885056 A CN112885056 A CN 112885056A
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- 230000005484 gravity Effects 0.000 title claims abstract description 70
- 238000012544 monitoring process Methods 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 230000010365 information processing Effects 0.000 claims abstract description 43
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000012806 monitoring device Methods 0.000 claims abstract description 20
- 239000002689 soil Substances 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 4
- 230000000007 visual effect Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 10
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 239000003086 colorant Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Business, Economics & Management (AREA)
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- Emergency Alarm Devices (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a gravity type underground cavity automatic monitoring and alarming device which comprises a control device, a monitoring device, a measuring device and an alarming device, wherein the control device comprises a shell, a power supply module, a communication module and an information processing module, the power supply module, the communication module and the information processing module are arranged in the shell, the monitoring device comprises a camera mechanism and a gravity mechanism, the measuring device comprises a ground surface measuring device distance meter, and the alarming device comprises an alarm and a terminal alarming system. The monitoring and alarming device provided by the invention directly reflects whether holes exist in the soil layer or not through the condition that the soil layer provides supporting force for the gravity mechanism, the measuring device monitors the vertical displacement change value of the gravity mechanism, the information processing module carries out comparison analysis on the vertical displacement change value of the gravity mechanism and the early warning value, the alarm gives out sound and light alarms with different colors and different sounds according to the analysis result, and the communication module transmits information to the terminal to remind monitoring personnel of processing in time so as to monitor the underground hole condition of the upper soil body of the construction tunnel in real time.
Description
Technical Field
The invention relates to the technical field of monitoring of formation of soil layer cavities on the upper part of a construction tunnel by a subway shield construction method, in particular to a gravity type underground cavity automatic monitoring alarm device.
Background
In the construction process of the subway tunnel by adopting a subway shield construction method, soil layers outside the tunnel change along with the excavation of the tunnel, and the condition of a cavity can occur to a certain extent. In order to avoid accidents caused by underground cavities, detection of the underground cavities in the construction process is an important part in construction, the prior art comprises detection of the underground cavities, and methods mainly adopted at home and abroad currently comprise a drilling method, a high-density resistivity method, a seismic prospecting method, a ground penetrating radar method and the like, but the existing detection method has no real-time property and cannot timely report to relevant personnel and timely give an alarm when the underground cavities are formed.
Disclosure of Invention
The invention aims to provide a rapid, intelligent and visual underground cavity monitoring and early warning device.
In order to achieve the aim, the invention provides a gravity type underground cavity automatic monitoring alarm device, which comprises a control device, a monitoring device, a measuring device and an alarm device, wherein the monitoring device is connected with the control device;
the control device comprises a shell, and a power supply module, a communication module and an information processing module which are arranged in the shell, wherein the power supply module is respectively connected with the communication module and the information processing module, and the communication module is connected with the monitoring device and used for transmitting data of the monitoring device to the information processing module; the information processing module is respectively connected with the alarm device, the measuring device and the communication module and is used for processing the received data and transmitting the processed data to the alarm device;
the monitoring device comprises a camera mechanism and a gravity mechanism, the camera mechanism comprises a monitoring rod, a protection rod and a camera, two ends of the monitoring rod are respectively connected with a shell of the control device and the protection rod, the protection rod is of a hollow structure and used for sleeving the camera, and a data line of the camera is connected with the information processing module so as to transmit the shooting condition of the camera to the information processing module, so that whether a hole exists in a soil layer is judged; the gravity mechanism comprises a cylindrical end with a hollow structure, a conical end and a connecting cable, the cylindrical end is sleeved on the protection rod, the conical end is arranged at the lower end of the cylindrical end, and two ends of the connecting cable are respectively connected with the cylindrical end and the information processing module and used for transmitting the state of the gravity mechanism to the information processing module;
the measuring device comprises a ground surface measuring device and a distance meter which are respectively connected with the information processing module, the ground surface measuring device is used for measuring the elevation value at the bottom end of the control device and transmitting the elevation value to the information processing module, and the distance meter is used for measuring the depth value at the bottom end of the gravity mechanism and transmitting the depth value to the information processing module;
the alarm device comprises an alarm and a terminal alarm system, the alarm is connected with the information processing module through a data line and is arranged on the shell of the control device, and the terminal alarm system is connected with the information processing module through a communication module and can transmit alarm information to a terminal server of a remote control person.
Preferably, the monitoring rod is of a hollow structure and is provided with at least one piece.
Preferably, both ends of monitoring rod are provided with internal thread end and external thread end respectively for be connected between the monitoring rod or between monitoring rod and the fender rod.
Preferably, the guard bar is of a transparent glass structure, and scales are arranged on the guard bar along the axial direction.
Preferably, the camera is provided with at least one piece and is arranged along the axial direction of the protection rod.
Preferably, the upper part of the cylindrical end of the gravity mechanism is provided with at least one through hole arranged in a penetrating manner along the radial direction, and the through hole is used for being connected with a connecting cable.
Preferably, the earth's surface measuring device adopts big dipper positioner, the distancer adopts laser range finder.
Preferably, the alarm is an audible and visual alarm.
The technical scheme of the invention has the following beneficial effects:
(1) the monitoring and alarming device provided by the invention directly reflects whether holes exist in the soil layer or not through the condition that the soil layer provides supporting force for the gravity mechanism, the measuring device monitors the vertical displacement change value of the gravity mechanism, the information processing module carries out comparison analysis on the vertical displacement change value of the gravity mechanism and the early warning value, the alarm gives out acousto-optic alarms with different colors and different sounds according to the analysis result to remind passers-by and vehicles to avoid, the communication module transmits information to the terminal to remind monitoring personnel to process in time so as to monitor the underground hole condition of the upper soil body of the construction tunnel in real time.
(2) According to the invention, the monitoring rod is of a hollow structure, so that the data line of the camera can be protected conveniently.
(3) According to the invention, the monitoring rod is provided with a plurality of pieces so as to be assembled according to the depth of the monitoring hole, so that the flexibility is strong, and the application range is effectively enlarged.
(4) According to the invention, the protection rod for protecting the camera is set to be of a transparent glass structure, so that the shooting quality of the camera is effectively ensured.
(5) According to the invention, the cameras are provided with a plurality of pieces which are respectively distributed in the protection rods, so that different positions of the monitoring holes can be monitored.
(6) According to the invention, the scales are arranged on the protective rod, so that the camera can be accurately positioned when being installed.
(7) According to the invention, the gravity mechanism is arranged into a conical structure, so that the stability of the gravity center is facilitated when the gravity mechanism falls down.
(8) According to the invention, the through round hole is formed in the cylindrical end of the gravity mechanism, so that the connection strength between the connection cable and the gravity mechanism is effectively ensured, and the connection cable is prevented from being separated from the gravity mechanism.
(9) According to the invention, the depth variation of the gravity mechanism is measured in each time in a combined mode of the Beidou positioning device and the laser range finder, so that the measurement accuracy is effectively ensured.
(10) The invention realizes the alarm by adopting the audible and visual alarm so as to effectively ensure the alarm effect.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front view of a monitoring device according to the present invention;
FIG. 2 is a schematic view of the installation of the monitoring device of the present invention;
fig. 3 is a main schematic diagram of the monitoring device after the gravity mechanism is dropped.
Wherein:
1: control device, 2: monitoring rod, 3: guard bar, 4: gravity mechanism, 4-1: connection cable, 4-2: round hole, 5: and a monitoring hole.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
In order to make the aforementioned objects, features, advantages, and the like of the present invention more clearly understandable, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and are not to precise scale, and are provided for convenience and clarity in assisting the description of the embodiments of the present invention; the several references in this disclosure are not limited to the particular numbers in the examples of the figures; the directions or positional relationships indicated by ' front ' middle, ' rear ' left ', right ', upper ', lower ', top ', bottom ', middle ', etc. in the present invention are based on the directions or positional relationships shown in the drawings of the present invention, and do not indicate or imply that the devices or components referred to must have a specific direction, nor should be construed as limiting the present invention.
Example (b):
a gravity type underground cavity automatic monitoring alarm device comprises a control device 1, a monitoring device, a measuring device and an alarm device;
the control device 1 comprises a shell, and a power supply module, a communication module and an information processing module which are arranged in the shell, wherein the power supply module is respectively connected with the communication module and the information processing module, and the communication module is connected with the monitoring device and is used for transmitting data of the monitoring device to the information processing module; the information processing module is respectively connected with the alarm device, the measuring device and the communication module and is used for processing the received data and transmitting the processed data to the alarm device;
the monitoring device comprises a monitoring rod 2, a protection rod 3, a camera and a gravity mechanism 4, wherein internal threads and external threads are respectively arranged at two ends of the monitoring rod 2 and are respectively in threaded connection with a shell of the control device 1 and the protection rod 3; the protection rod 3 is made of hollow transparent glass and is provided with scales along the axial direction; the camera is provided with one or more than one camera, the cameras are respectively arranged in parallel along the axial direction of the protection rod 3 so as to shoot positions with different depths in the monitoring hole 5, and shot pictures are transmitted to the information processing module through a data line of the camera, so that whether a hole exists in a soil layer is judged, and meanwhile, images are transmitted to a terminal through the connection of the communication module so as to be checked by monitoring personnel; the gravity mechanism 4 comprises a hollow cylindrical end, a conical end and a connecting cable 4-1, the cylindrical end is sleeved on the protective rod 3, a circular hole 4-2 which is arranged in a penetrating mode is formed in the upper portion of the cylindrical end, one end of the connecting cable 4-1 penetrates through the circular hole 4-2 to be fixed with the cylindrical end, the other end of the connecting cable is connected with the information processing module, whether the gravity mechanism 4 falls or not is judged according to the connecting state of the connecting cable 4-1, and the gravity mechanism 4 falls to trigger the starting of the measuring device;
the measuring device comprises a ground surface measuring device and a range finder which are respectively connected with the information processing module, the ground surface measuring device is arranged at the orifice position of the monitoring hole 5 and used for measuring the ground surface elevation at the bottom end of the control device and transmitting the ground surface elevation to the information processing module, the range finder is arranged at the orifice position of the monitoring hole 5 and used for measuring the depth value at the bottom end of the gravity mechanism by adopting laser and measuring the depth change value at the bottom end of the gravity mechanism and transmitting the depth change value to the information processing module;
the alarm device comprises an alarm and a terminal alarm system, the alarm is connected with the information processing module through a data line and is arranged on the shell of the control device, and the terminal alarm system is connected with the information processing module through a communication module and can transmit alarm information to a terminal server of a remote control person.
As a further embodiment of the invention: the gravity type underground cavity automatic monitoring and alarming device of the embodiment is applied to monitoring, and the specific monitoring and alarming method comprises the following steps:
1) drilling a monitoring hole extending to a position of a soil layer to be monitored on the upper layer of the construction tunnel;
2) assembling a gravity type underground cavity automatic monitoring alarm device according to the depth of the monitoring hole, and placing the gravity type underground cavity automatic monitoring alarm device into the monitoring hole;
the assembled gravity type automatic monitoring and alarming device for the underground cavity specifically comprises the following steps:
A. one or more than one monitoring rods 2 are respectively connected with the protection rod 3 according to the depth of the monitoring holes 5, and then the protection rods are connected with the protection rod 3 to form a whole;
B. sleeving a gravity mechanism 4 on the protection rod 3, and connecting the gravity mechanism 4 with the control device 1 through a connecting cable 4-1 so as to fix the gravity mechanism 4;
C. completing the installation of the monitoring device;
D. and (3) placing the end 4 of the gravity mechanism of the installed monitoring device into the monitoring hole 5, and placing the end 1 of the monitoring rod into the orifice position of the monitoring hole 5, thereby completing the monitoring.
3) Installing a control device 1 and an audible and visual alarm (not marked) at the orifice position of the monitoring hole 5, sealing the monitoring hole by adopting a soil layer and the like, and reserving a communication antenna in the communication device to be flush with the road surface;
the control device 1 is specifically installed as follows: the shell of the control device 1 is arranged at the position of the hole opening of the monitoring hole, the power connection wire of the control device 1 is connected with the power supply equipment, the communication module of the control device is connected with the network communication equipment, and the communication of the monitoring platform is debugged, so that the information such as images and the like sent by the control device 1 can be effectively received.
The installation mode of the light alarm is specifically as follows: the data line of audible and visual alarm is connected with the information processing module of control device to control audible and visual alarm and send the alarm information of different colours, different sound, and set up audible and visual alarm outside the tunnel soil layer, so that can directly effectually look over alarm information for passerby, vehicle.
4) And starting the gravity type underground cavity automatic monitoring alarm device to monitor the monitoring holes in real time.
By applying the scheme of the embodiment, when no cavity occurs, the gravity mechanism is completely supported by the soil layer (see fig. 2), so that the camera cannot shoot an effective image through the sleeving of the gravity mechanism, at the moment, the information processing module in the control device cannot receive information, and therefore, the change value of the vertical displacement of the gravity mechanism measured by the measuring device is within the range of the early warning value, and the alarm device processes the non-started state; when a hole (shown in figure 3) appears in the soil layer at the upper part of the construction tunnel, the gravity mechanism falls down due to losing the supporting force of the soil layer, at the moment, a connecting cable connecting the control device and the gravity mechanism synchronously extends downwards along with the falling of the gravity mechanism and triggers a measuring device in the control device to measure the vertical displacement change value of the gravity mechanism, and if the measured difference value exceeds the set early warning value, the control device sends an instruction to the warning device to give an alarm; meanwhile, the camera mechanism is separated from the gravity mechanism due to the falling of the gravity mechanism, a camera in the camera mechanism is exposed, and a real-time shot image is transmitted to the control device.
The specific calculation formula of the measurement difference value is as follows:
X＝Δh+Δl；
Δ h ═ hi-h0，Δl＝1i-I0；
Wherein: x is the actual change value of the gravity mechanism after each depth change, delta h is the difference between the earth surface elevation value measured by the measuring device each time and the earth surface elevation value measured for the first time, delta l is the difference between the bottom depth value of the gravity mechanism measured by the measuring device each time and the bottom depth value of the gravity mechanism measured for the first time, hiFor the surface elevation measured i-th time of the measuring device, h0For the first measurement of the elevation of the earth's surface, 1iBottom depth value of gravity mechanism for I-th measurement of measuring device, I0The bottom depth value of the gravity mechanism is measured for the first time.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A gravity type underground cavity automatic monitoring alarm device comprises a control device, a monitoring device, a measuring device and an alarm device;
the control device comprises a shell, and a power supply module, a communication module and an information processing module which are arranged in the shell, wherein the power supply module is respectively connected with the communication module and the information processing module, and the communication module is connected with the monitoring device and used for transmitting data of the monitoring device to the information processing module; the information processing module is respectively connected with the alarm device, the measuring device and the communication module and is used for processing the received data and transmitting the processed data to the alarm device;
the monitoring device comprises a camera mechanism and a gravity mechanism, the camera mechanism comprises a monitoring rod, a protection rod and a camera, two ends of the monitoring rod are respectively connected with a shell of the control device and the protection rod, the protection rod is of a hollow structure and used for sleeving the camera, and a data line of the camera is connected with the information processing module so as to judge whether a hole exists in the soil layer by transmitting the shooting condition of the camera to the information processing module; the gravity mechanism comprises a cylindrical end with a hollow structure, a conical end and a connecting cable, the cylindrical end is sleeved on the protection rod, the conical end is arranged at the lower end of the cylindrical end, and two ends of the connecting cable are respectively connected with the cylindrical end and the information processing module and used for transmitting the state of the gravity mechanism to the information processing module;
the measuring device comprises a ground surface measuring device and a distance meter which are respectively connected with the information processing module, the ground surface measuring device is used for measuring the elevation value at the bottom end of the control device and transmitting the elevation value to the information processing module, and the distance meter is used for measuring the depth value at the bottom end of the gravity mechanism and transmitting the depth value to the information processing module;
the alarm device comprises an alarm and a terminal alarm system, the alarm is connected with the information processing module through a data line and is arranged on the shell of the control device, and the terminal alarm system is connected with the information processing module through a communication module and can transmit alarm information to a terminal server of a remote control person.
2. The automatic monitoring and alarming device for the gravity type underground cavity according to claim 1, wherein: the monitoring rod is of a hollow structure and is provided with at least one piece.
3. The automatic monitoring and alarming device for the gravity type underground cavity according to claim 2, wherein: and the two ends of the monitoring rod are respectively provided with an internal thread end and an external thread end for connecting the monitoring rods or the monitoring rod and the protection rod.
4. The automatic monitoring and alarming device for the gravity type underground cavity according to claim 1, wherein: the guard bar sets up to transparent glass structure, just the guard bar is equipped with the scale along axial direction.
5. The automatic monitoring and alarming device for the gravity type underground cavity according to claim 1, wherein: the camera is provided with at least one piece, and sets up along the axial direction of guard bar.
6. The automatic monitoring and alarming device for the gravity type underground cavity according to claim 1, wherein: the upper part of the cylindrical end of the gravity mechanism is provided with at least one through hole which is arranged in a penetrating way along the radial direction, and the through hole is used for being connected with a connecting cable.
7. The automatic monitoring and alarming device for the gravity type underground cavity according to claim 1, wherein: the earth surface measuring device adopts a Beidou positioning device.
8. The automatic monitoring and alarming device for the gravity type underground cavity according to claim 1, wherein: the distance measuring instrument adopts a laser distance measuring instrument.
9. The automatic monitoring and alarming device for the gravity type underground cavity according to claim 1, wherein: the alarm adopts an audible and visual alarm.
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| CN111105599A (en) * | 2019-12-20 | 2020-05-05 | 北京环安工程检测有限责任公司 | Automatic early warning monitoring device system for underground collapse of urban road |
| CN111354166A (en) * | 2020-03-16 | 2020-06-30 | 山东省地矿工程集团有限公司地质环境工程分公司 | Goaf collapse alarm device |
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