CN112289007B - A semi-submersible flash flood early warning device and early warning method based on GIS technology - Google Patents
A semi-submersible flash flood early warning device and early warning method based on GIS technology Download PDFInfo
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- CN112289007B CN112289007B CN202011300467.XA CN202011300467A CN112289007B CN 112289007 B CN112289007 B CN 112289007B CN 202011300467 A CN202011300467 A CN 202011300467A CN 112289007 B CN112289007 B CN 112289007B
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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
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention relates to the technical field of mountain torrent early warning, in particular to a semi-submerged mountain torrent early warning device based on a GIS technology and an early warning method thereof, which enable the mountain torrent early warning device to be self-started when a mountain torrent is encountered by arranging a GIS signal transmitting unit, and simultaneously enable the semi-submerged mountain torrent early warning unit carrying the GIS signal transmitting unit to be in sliding connection with an anchoring part, so that the mountain torrent early warning device can drift along with the mountain torrent when the mountain torrent is encountered, thereby realizing the technology of monitoring the flow and the flow direction of the mountain torrent, and simultaneously realize the technology of real-time active early warning of the mountain torrent, the real-time monitoring of the flow and the flow direction of the mountain torrent and the like by the method that the semi-submerged mountain torrent early warning device follows the mountain torrent and regularly transmits real-time GIS information of the position of the mountain torrent.
Description
Technical Field
The invention relates to the technical field of mountain torrents early warning, in particular to the technical field of semi-submerged mountain torrents dynamic early warning and monitoring, and specifically relates to a semi-submerged mountain torrents early warning device based on a GIS technology and an early warning method thereof.
Background
Due to the special geographic position of China, the domestic geology and topography are complex and various, and meanwhile precipitation is uneven. The characteristics of the south and southwest areas are particularly remarkable, various natural disasters caused by mountain floods can occur every time of flood season, immeasurable losses are caused to the properties of people, and the beautiful life of the people is seriously influenced. The prediction early warning of the mountain torrents is always a hot subject discussed in the field, and how to start the mountain torrents early warning at a proper moment and track the flood development state in real time is a problem to be solved urgently.
In the prior art, the conventional mountain torrent early warning and monitoring technology is a passive early warning and monitoring technology, and the passive early warning and monitoring technology has the technical defects of slow early warning, untimely monitoring information transmission and the like. Aiming at the defects, the invention provides a semi-submerged type mountain torrent early warning device and a semi-submerged type mountain torrent early warning method based on the GIS technology, and the technology for realizing real-time active early warning of mountain torrents and real-time monitoring of mountain torrent flow, flow direction and the like by a method that the semi-submerged type mountain torrent early warning device follows mountain torrent drifting is provided.
Disclosure of Invention
The invention provides a semi-submersible type flood early warning device and a warning method thereof based on a GIS technology, which are used for overcoming the technical defects that the existing flood early warning and monitoring technology is poor in initiative and cannot realize real-time early warning and monitoring of the flow, the flow and the like of the flood. By adopting the invention, the technology of real-time active early warning of the mountain torrent and real-time monitoring of the flow, the flow direction and the like of the mountain torrent can be realized.
In order to realize the technical scheme, the invention is realized by the following technical scheme:
The semi-submersible type mountain torrent early warning device based on the GIS technology comprises a GIS signal transmitting unit, wherein one end of the GIS signal transmitting unit is provided with a semi-submersible type mountain torrent early warning monitoring unit, and the GIS signal transmitting unit is electrically connected with the semi-submersible type mountain torrent early warning monitoring unit through a lead;
The semi-submersible type mountain torrent early warning and monitoring unit comprises a semi-submersible type component, wherein the semi-submersible type component is a hollow cylinder with openings at the top end and the bottom end, a hollow interlayer is arranged on the semi-submersible type component, the mountain torrent early warning and monitoring component is arranged on the semi-submersible type component, and the mountain torrent early warning and monitoring component is electrically connected with the GIS signal transmitting unit through a wire;
The mountain torrent early warning monitoring component comprises a first insulating plate, the first insulating plate is fixedly arranged on the side face of the inner ring of the semi-submersible component, one side of the first insulating plate is provided with a metal joint group, the first insulating plate is further provided with an elastic resetting component, the elastic resetting component and the metal joint group are located on the same side face, the other end of the elastic resetting component is connected with a second insulating plate, the second insulating plate is in sliding connection with the side face of the inner ring of the semi-submersible component, one side of the second insulating plate is provided with a metal contact, the other side of the second insulating plate is provided with an elastic waterproof film, the metal contact is electrically connected with the metal joint group, and the metal joint group is electrically connected with a GIS signal transmitting unit through a wire.
In order to better realize the invention, as a further description of the technical scheme, the semi-submersible type component comprises a counterweight bin, the counterweight bin is a hollow cylinder with openings at the top end and the bottom end, the counterweight bin is of a hollow sandwich structure, a disc is detachably connected to the bottom end of the hollow sandwich layer of the counterweight bin, a counterweight is filled in the hollow sandwich layer of the counterweight bin, an elastic waterproof membrane is arranged in an inner ring of the counterweight bin, the elastic waterproof membrane protrudes towards a second insulating plate, the other end of the counterweight bin is in seamless connection with a GIS signal transmitting unit, and a detachable anchoring component is arranged on the axial side face of the counterweight bin and anchors the counterweight bin on the ground.
As the further description of the technical scheme, the detachable anchoring part comprises an anchor rod, the anchor rod is provided with an expanding shell end head and a connecting end head, the expanding shell end head and a rod body of the anchor rod are anchored in a geological body, a supporting plate is arranged on the connecting end head of the anchor rod, a plurality of vertical straight racks are annularly arranged on the supporting plate, circular gears are meshed on the vertical straight racks, the circular gears are rotationally arranged on a U-shaped ring, and the U-shaped ring is fixedly arranged on the outer side face of a counterweight bin.
As a further description of the above technical solution, the metal connector set includes at least two metal connectors, insulation is provided between the metal connectors, and wires are connected to the metal connectors.
As a further description of the above technical scheme, the GIS signal transmitting unit includes a supporting and protecting structure, a waterproof insulating layer is sealed and arranged on the outer side of the supporting and protecting structure, a signal transmitter and a power supply are arranged in the supporting and protecting structure, and the signal transmitter, the power supply, the metal connector group and the metal contacts are electrically connected in sequence through wires to form a channel structure.
As a further description of the above technical scheme, the support protection structure comprises a vertical support cylinder, a plurality of disc supports are arranged on the outer wall of the vertical support cylinder, a waterproof insulating layer is arranged on the outer side of each disc support, and a signal emitter and a power supply are arranged on each disc support.
A mountain torrent early warning method of semi-submerged mountain torrent early warning device based on GIS technology, regard semi-submerged mountain torrent early warning device group as a unit to install in the identical section of the monitoring area vertically, the monitoring section of the semi-submerged mountain torrent early warning device group intersects with central axis of water flow direction of the detection area, the semi-submerged mountain torrent early warning device group includes at least two semi-submerged mountain torrent early warning devices used for early warning and monitoring the mountain torrent burst at the same time, the semi-submerged mountain torrent early warning device is installed in different elevations of the identical monitoring section, the semi-submerged mountain torrent early warning device immersed in mountain torrent drifts along with mountain torrent;
The method is implemented according to the following steps:
S1, collecting and analyzing information such as geological topography and precipitation of an area, determining a plurality of sections to be monitored according to analysis results, sequentially naming and numbering the sections to be monitored to form a naming and numbering group, and determining accurate monitoring positions of different altitudes on the sections to be monitored according to the topography condition of the same section and the local precipitation condition;
S2, setting data transmission time intervals with the same duration for each semi-submersible type mountain torrent early warning device to be installed, and then respectively installing one semi-submersible type mountain torrent early warning device at each monitoring position and enabling the semi-submersible type mountain torrent early warning device to be in a state to be operated;
S3, the semi-submersible type mountain torrent early warning device firstly contacting the mountain torrents enters a working state under the combined action of water pressure and self-contained weights, and the GIS signal transmitting unit transmits GIS information of an initial position to the rear-end database;
And S4, the back-end database measures and calculates the mountain torrent flow according to the real-time GIS information transmitted by the semi-submersible mountain torrent early warning device at regular time and distributes the calculation result to various display terminals.
In order to better illustrate the method, as a further optimization of the above technical solution, step S2 has the following steps:
S21, firstly, setting data transmission time intervals with the same duration on each GIS signal transmitting unit to be installed, and detecting each device so as to ensure that the device can work normally;
s22, vertically drilling holes in the set monitoring positions, embedding the anchor rods, and enabling the anchor rods to be in a pulling-resistant state;
s23, installing a semi-submersible type mountain torrent early warning and monitoring unit loaded with a GIS signal transmitting unit on an anchor rod, and detecting whether the semi-submersible type mountain torrent early warning and monitoring unit can slide up and down along a vertical straight rack;
And S24, calculating the required buoyancy value of each semi-submersible type mountain torrent early warning and monitoring unit in the semi-submersible type drifting state according to the precipitation amount information, determining how many weights are required to be arranged according to the required buoyancy value, and placing the weights in the weight bins of each semi-submersible type mountain torrent early warning and monitoring unit.
As a further optimization of the above technical solution, step S3 has the following steps:
S31, buoyancy generated by rising of the mountain torrent water level triggers an elastic waterproof membrane of the semi-submersible mountain torrent warning device, the elastic waterproof membrane enables a second insulating plate to move towards the end of a first insulating plate and enables a circuit to be in an electrified state, and a GIS signal transmitter in the electrified state transmits real-time GIS information in an initial state to a rear-end database;
S32, continuously rising the water level, changing the semi-submerged mountain torrent warning device from a fixed state to a semi-submerged state, and floating along with the rising water level along with the anchoring part;
S33, the semi-submersible type mountain torrent early warning device falls off from the anchoring component and changes into a drifting state, and the semi-submersible type mountain torrent early warning device in drifting sends real-time GIS information of the position of the semi-submersible type mountain torrent early warning device to the rear-end database at regular time.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. According to the invention, through the arrangement of the GIS signal transmitting unit, the semi-submersible type mountain torrent early warning monitoring unit and other structures, the mountain torrent early warning device can be automatically started when a mountain torrent is suddenly encountered, and meanwhile, through the arrangement of the anchoring component and the sliding connection of the semi-submersible type mountain torrent early warning unit carrying the GIS signal transmitting unit and the anchoring component, the mountain torrent early warning device can drift along with the mountain torrent when the mountain torrent is encountered, and the technology for monitoring the flow and the flow direction of the mountain torrent is realized.
2. The invention realizes the real-time active early warning of the mountain floods and the real-time monitoring of the flow, the flow direction and the like of the mountain floods by arranging the early warning method as described above and by adopting the scheme that the semi-submerged mountain floods early warning device follows the drifting of the mountain floods.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a schematic plan view of the present invention in a use state;
FIG. 4 is a schematic plan view of a second insulating plate according to the present invention;
FIG. 5 is a schematic view of a three-dimensional structure of a support and protection structure according to the present invention;
FIG. 6 is a schematic diagram of the early warning process according to the present invention;
FIG. 7 is a schematic diagram of the installation flow of the semi-submersible type mountain torrent warning device of the present invention;
FIG. 8 is a schematic diagram of a semi-submersible mountain torrent warning device according to the present disclosure;
Fig. 9 is a schematic diagram of a mechanical change curve of the semi-submersible type mountain torrent warning device.
In the figure, a 1-GIS signal transmitting unit, a 2-semi-submersible type mountain torrent early warning and monitoring unit, a 11-supporting and protecting structure, a 12-waterproof insulating layer, a 13-signal transmitter, a 14-power supply, a 21-semi-submersible type component, a 22-mountain torrent early warning and monitoring component, a 111-vertical supporting cylinder, a 112-disc support, a 211-counterweight bin, a 212-elastic waterproof membrane, a 213-detachable anchoring component, a 221-first insulating plate, a 222-metal joint group, a 223-elastic resetting component, a 224-second insulating plate, 225-metal contacts, 2131-anchor rods, 2132-supporting plates, 2133-vertical straight racks, 2134-round gears and 2135-U-shaped rings are marked.
Detailed Description
The present invention will be described in further detail with reference to preferred examples of the present invention, but the embodiments of the present invention are not limited thereto.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
The terms "upper," "lower," "left," "right," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, or that is conventionally put in place when the inventive product is used, merely to facilitate description of the invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "vertical" and the like do not denote absolute perpendicularity between the required components, but may be slightly inclined. As "vertical" simply means that its direction is relatively more vertical, and does not mean that the structure must be perfectly vertical, but may be slightly tilted.
In the description of the present invention, it should also be noted that the terms "disposed," "mounted," "connected," and the like are to be construed broadly, unless otherwise specifically defined and limited. For example, the components may be fixedly connected, detachably connected or integrally connected, mechanically connected or electrically connected, directly connected or indirectly connected through an intermediate medium, or communicated with each other. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
as a preferred embodiment, as shown in connection with figures 1-9,
The semi-submersible type mountain torrent early warning device based on the GIS technology comprises a GIS signal transmitting unit 1, wherein one end of the GIS signal transmitting unit 1 is provided with a semi-submersible type mountain torrent early warning monitoring unit 2, and the GIS signal transmitting unit 1 is electrically connected with the semi-submersible type mountain torrent early warning monitoring unit 2 through a lead;
The semi-submersible type mountain torrent early warning and monitoring unit 2 comprises a semi-submersible type component 21, wherein the semi-submersible type component 21 is a hollow cylinder with openings at the top end and the bottom end, the semi-submersible type component 21 is provided with a hollow interlayer, the semi-submersible type component 21 is provided with a mountain torrent early warning and monitoring component 22, and the mountain torrent early warning and monitoring component 22 is electrically connected with the GIS signal transmitting unit 1 through a wire;
The mountain torrent early warning monitoring component 22 comprises a first insulating plate 221, the first insulating plate 221 is fixedly arranged on the side face of the inner ring of the semi-submersible component 21, one side of the first insulating plate 221 is provided with a metal joint group 222, the first insulating plate 221 is further provided with an elastic resetting component 223, the elastic resetting component 223 and the metal joint group 222 are located on the same side face, the other end of the elastic resetting component 223 is connected with a second insulating plate 224, the second insulating plate 224 is slidably connected with the side face of the inner ring of the semi-submersible component 21, one side of the second insulating plate 224 is provided with a metal contact 225, the other side of the second insulating plate is provided with an elastic waterproof film 212, the metal contact 225 is electrically connected with the metal joint group 222, and the metal joint group 222 is electrically connected with the GIS signal transmitting unit 1 through a wire.
In order to clearly and definitely explain the invention, in the embodiment, through arranging the structures such as the GIS signal transmitting unit 1, the semi-submersible type mountain torrent early warning and monitoring unit 2 and the like, the semi-submersible type mountain torrent early warning and monitoring unit 2 is utilized to monitor and pre-warn mountain torrents, and the information obtained by monitoring and pre-warn is sent out through the GIS signal transmitting unit 1, so that the technical defect that automatic monitoring and pre-warn cannot be carried out on mountain torrents in the prior art is overcome, and the technology capable of being started independently during the mountain torrents burst is realized.
In order to better illustrate the invention, in this embodiment, the semi-submersible type mountain torrent early warning and monitoring unit 2 has the function of real-time early warning on mountain torrents by arranging the semi-submersible type component 21, the mountain torrent early warning and monitoring component 22 and other structures.
In order to further clearly and definitely illustrate the present invention, as a preferred embodiment, the working procedure of the mountain torrent warning and monitoring unit 22 is that, assuming that the present invention is impacted by the torrent and extrudes the elastic waterproof membrane 212, the extrusion force born by the elastic waterproof membrane 212 is transferred to the second insulating plate 224, the second insulating plate 224 moves toward the end of the first insulating plate 221, the metal contact 225 on the second insulating plate 224 contacts with the metal connector on the first insulating plate 221 and forms a circuit structure in the energized state, at this time, the elastic reset member 223 disposed between the first insulating plate 221 and the second insulating plate 224 is in a compressed state, and the GIS signal transmitting unit 1 disposed in the mountain torrent warning unit transmits the mountain torrent information detected in real time. When the mountain torrent is removed, the pressure born by the compression reset component disappears, and the compression reset component in the energy storage state ejects the second insulating plate 224, so that the power supply 14 between the metal contact 225 and the metal connector is disconnected.
It should be specifically and explicitly noted that, in the preferred embodiment, the elastic restoring member 223 may be one or several materials such as a restoring spring, a restoring rubber gasket, etc.
In order to better implement the present invention, as a further description of the above technical solution, the semi-submersible member 21 includes a weight compartment 211, the weight compartment 211 is a hollow cylinder with openings at the top and bottom, the weight compartment 211 is a hollow sandwich structure, the bottom of the hollow sandwich of the weight compartment 211 is detachably connected with a disc, the hollow sandwich of the weight compartment 211 is filled with a counterweight, the elastic waterproof membrane 212 is disposed in an inner ring of the weight compartment 211, the elastic waterproof membrane 212 protrudes toward the direction of the second insulating plate 224, the other end of the weight compartment 211 is in seamless connection with the GIS signal transmitting unit 1, and a detachable anchoring member 213 is disposed on an axial side of the weight compartment 211, and the detachable anchoring member 213 anchors the weight compartment 211 on the ground.
In order to more clearly and definitely illustrate the present invention, in this embodiment, the semi-submersible member 21 has a structure of a weight compartment 211 with a hollow cylinder having an opening at the top and bottom, and a hollow interlayer, and the second insulating plate 224 and the elastic waterproof membrane 212 of the mountain torrent warning member are mounted in the hollow cylinder of the weight compartment 211.
As a further description of the above technical solution, the detachable anchoring member 213 includes an anchor rod 2131, the anchor rod 2131 has a shell end and a connection end, the shell end and the shaft of the anchor rod 2131 are both anchored in the geological body, a supporting plate 2132 is provided on the connection end of the anchor rod 2131, a plurality of vertical straight racks 2133 are annularly arranged on the supporting plate 2132, circular gears 2134 are engaged on the vertical straight racks 2133, the circular gears 2134 are rotatably arranged on a U-shaped ring 2135, and the U-shaped ring 2135 is fixedly arranged on the outer side surface of the counterweight bin 211.
In order to more clearly and clearly illustrate the present invention, in the present embodiment, the detachable anchoring member 213 operates on the principle that the present structure carrying the GIS signal emitting unit 1 is disposed on the anchoring member, which is anchored in the geological body, when no torrential flood occurs in the area where the present invention is used. When a mountain torrent occurs in an area using the device, the elastic waterproof membrane 212 in the mountain torrent early warning and monitoring device is extruded by the torrent, the device is in a semi-submerged state at the moment, the water level rises, the device rises to rise to the altitude along with the water level, at the moment, the circular gear 2134 moves vertically upwards along the straight rack and finally falls off from the straight rack, and finally, the device can drift along with the torrent.
As a further description of the above technical solution, the metal connector set 222 includes at least two metal connectors, where the metal connectors are insulated from each other, and the metal connectors are connected with wires.
As a further description of the above technical solution, the GIS signal transmitting unit 1 includes a supporting and protecting structure 11, a waterproof insulating layer 12 is sealed on the outer side of the supporting and protecting structure 11, a signal transmitter 13 and a power supply 14 are disposed in the supporting and protecting structure 11, and the signal transmitter 13, the power supply 14, the metal connector group 222 and the metal contact 225 are electrically connected in sequence through wires to form a path structure.
In order to more clearly and definitely illustrate the present invention, in this embodiment, the working procedure of the GIS signal transmitting unit is that, first, the mountain torrent warning and monitoring device is impacted by the flood and extrudes the elastic waterproof component, the elastic waterproof component extrudes the second insulating board 224 and makes the metal contact 225 arranged on the second insulating board 224 electrically connected with the metal connector, and the GIS signal transmitter 13 transmits the flood information detected and obtained at the altitude to the rear server and stores the flood information.
As a further description of the above technical solution, the supporting and protecting structure 11 includes a vertical supporting cylinder 111, a plurality of disc supports 112 are disposed on an outer wall of the vertical supporting cylinder 111, a waterproof insulating layer 12 is disposed on an outer side of the disc supports 112, and a signal emitter 13 and a power supply 14 are disposed on the disc supports 112.
In order to clearly and definitely illustrate the present invention, in this embodiment, the disc support 112 is provided to the support protection structure, so that the device cannot work normally due to deformation when the device encounters a foreign object in flood.
In order to better illustrate the present invention, in this embodiment, the waterproof insulating layer 12 is provided, so that each component of the present invention can work normally during use, and the practicability of the present invention is further improved.
In order to better realize the invention, as shown in fig. 1-5, the working process of the invention is that firstly, a monitoring section is selected, each installation position of the invention is measured and determined in a unified monitoring section, an anchor rod 2131 is anchored in a geologic body of each installation position, the invention is installed on the anchor rod 2131, and a mating object is put into a counterweight bin 211, so that the installation is completed.
In order to clearly and definitely illustrate the present invention, in this embodiment, the present invention is further illustrated, when flood reaches a large monitoring section, the device at the lowest elevation is submerged first, the device switch is closed under the action of external water pressure, at this time, the device transmits a position signal to the server, so as to realize flood warning at the elevation of the section. When the flood quantity is large enough, the device drifts along with water flow, the switch of the device is always in a closed state under the action of external water pressure, a GIS transmitter in the device sends the real-time position to a server through BDS (BeiDou Navigation SATELLITE SYSTEM) or GPS (Global Positioning System) equipment and stores the real-time position, and the platform calculates the flow velocity of the flood through the acquired position and time interval of the device, so that the flood development is tracked.
Through above-mentioned scheme for mountain torrent early warning device can be from starting when suddenly meeting mountain torrent, through setting up anchor part simultaneously to will carry the semi-submerged mountain torrent early warning unit and anchor part sliding connection of GIS signal transmission unit, make this mountain torrent early warning device can drift along with the mountain torrent when meetting mountain torrent, and then realize the technique to monitoring mountain torrent flow and flow direction.
A mountain torrent early warning method of semi-submerged mountain torrent early warning device based on GIS technology, regard semi-submerged mountain torrent early warning device group as a unit to install in the identical section of the monitoring area vertically, the monitoring section of the semi-submerged mountain torrent early warning device group intersects with central axis of water flow direction of the detection area, the semi-submerged mountain torrent early warning device group includes at least two semi-submerged mountain torrent early warning devices used for early warning and monitoring the mountain torrent burst at the same time, the semi-submerged mountain torrent early warning device is installed in different elevations of the identical monitoring section, the semi-submerged mountain torrent early warning device immersed in mountain torrent drifts along with mountain torrent;
The method is implemented according to the following steps:
S1, collecting and analyzing information such as geological topography and precipitation of an area, determining a plurality of sections to be monitored according to analysis results, sequentially naming and numbering the sections to be monitored to form a naming and numbering group, and determining accurate monitoring positions of different altitudes on the sections to be monitored according to the topography condition of the same section and the local precipitation condition;
S2, setting data transmission time intervals with the same duration for each semi-submersible type mountain torrent early warning device to be installed, and then respectively installing one semi-submersible type mountain torrent early warning device at each monitoring position and enabling the semi-submersible type mountain torrent early warning device to be in a state to be operated;
S3, the semi-submersible type mountain torrent early warning device firstly contacting the mountain torrents enters a working state under the combined action of water pressure and self-contained weights, and the GIS signal transmitting unit 1 transmits GIS information of an initial position to the rear-end database;
And S4, the back-end database measures and calculates the mountain torrent flow according to the real-time GIS information transmitted by the semi-submersible mountain torrent early warning device at regular time and distributes the calculation result to various display terminals.
In order to more clearly and definitely explain the method, in this embodiment, as shown in fig. 6, firstly, geographical topography information of a region is collected by using GIS equipment, meanwhile, a plurality of sections to be monitored are analyzed and determined according to latitude and longitude where the region is located and precipitation data in a period, after the monitoring sections are determined, each section to be monitored is named and numbered in turn, next, accurate monitoring positions with different altitudes are determined on each section to be monitored according to the topography condition of the same section and the local precipitation condition, then, data transmission time intervals with the same duration are set for each semi-submerged mountain torrent early warning device to be installed, after the time setting is completed, the semi-submerged mountain torrent early warning device is installed on each monitoring position, and each semi-submerged monitoring device is obtained in a state to be monitored, the condition that the monitoring region of the semi-submerged mountain torrent device is installed is exploded, the semi-submerged mountain torrent device which is firstly contacted enters a working state under the combined action of water pressure and self-carried weight, and GIS signal transmitting unit 1 sends GIS information of the initial position to a back end early warning database; along with the rising of the water level, the semi-submersible type mountain torrent early warning device is changed into an active state from a fixed state and drifts along with the flood, the semi-submersible type mountain torrent early warning device in the drift sends real-time GIS information of the position of the semi-submersible type mountain torrent early warning device to the rear-end database at regular time, and after the rear-end database receives the data information sent back by the semi-submersible type mountain torrent early warning device, the rear-end database calculates the mountain torrent flow according to the real-time GIS information transmitted by the semi-submersible type mountain torrent early warning device at regular time and distributes the calculation result to various display terminals.
In order to better illustrate the present method, as a further optimization of the above technical solution, as shown in fig. 7, step S2 has the following steps:
S21, firstly, setting data transmission time intervals with the same duration on each GIS signal transmitting unit 1 to be installed, and detecting each device so as to ensure that the device can work normally;
s22, vertically drilling holes in the set monitoring positions and embedding the anchor rods 2131, and enabling the anchor rods 2131 to be in a pulling-resistant state;
s23, installing a semi-submersible type mountain torrent early warning and monitoring unit 2 carrying a GIS signal transmitting unit 1 on an anchor rod 2131, and detecting whether the semi-submersible type mountain torrent early warning and monitoring unit 2 can slide up and down along a vertical straight rack 2133;
and S24, calculating the required buoyancy value of each semi-submersible type mountain torrent early warning and monitoring unit 2 in the semi-submersible type drifting state according to the precipitation amount information, determining how many weights are required to be arranged according to the required buoyancy value, and placing the weights in the weight bins 211 of each semi-submersible type mountain torrent early warning and monitoring unit 2.
It should be specifically and specifically noted that, in this embodiment, after the anchor rod 2131 is installed, a pull-out test is performed on the anchoring of the anchor rod 2131 to ensure that the anchor rod 2131 can work normally, after the pull-out test is performed on the anchor rod 2131, the semi-submerged mountain torrent warning device is installed on the anchor rod 2131, and a counterweight with calculated mass is placed in the counterweight bin 211 of the semi-submerged torrent warning device, and after the above steps are completed, the semi-submerged torrent warning device with the counterweight is pulled up, so that the semi-submerged operating state of the semi-submerged torrent warning device is detected.
In order to more clearly and definitely illustrate the present method, as a further optimization of the above technical solution, in this embodiment, as shown in fig. 8, step S3 has the following steps:
S31, buoyancy generated by rising of the mountain torrent water level triggers an elastic waterproof membrane 212 of the semi-submersible mountain torrent warning device, the elastic waterproof membrane 212 promotes a second insulating plate 224 to move towards a first insulating plate 221 end and enables a circuit to be in an electrified state, and a GIS signal transmitter 13 in the electrified state transmits real-time GIS information in an initial state to a rear-end database;
S32, continuously rising the water level, changing the semi-submerged mountain torrent warning device from a fixed state to a semi-submerged state, and floating along with the rising water level along with the anchoring part;
S33, the semi-submersible type mountain torrent early warning device falls off from the anchoring component and changes into a drifting state, and the semi-submersible type mountain torrent early warning device in drifting sends real-time GIS information of the position of the semi-submersible type mountain torrent early warning device to the rear-end database at regular time.
In order to clearly and definitely explain the method, in this embodiment, when the semi-submersible type mountain torrent early warning device is immersed in a torrent and is in a preliminary working state, GIS information in an initial state is sent to a rear end database through the GIS signal transmitting unit 1, when the semi-submersible type mountain torrent early warning device slides down from the anchor rod 2131 under the action of the buoyancy of the torrent to enter a drift state, the semi-submersible type mountain torrent early warning device sends real-time GIS information of the position of the semi-submersible type mountain torrent early warning device at regular time, and the mountain torrent flow can be known through comparison and calculation of the GIS information, and the mountain torrent flow direction can be known according to the positional relationship displayed by the GIS information of the position.
It should be noted that, in the present example, as shown in fig. 9, the conditions are satisfied such that F represents the weight of the device discharged water, and Δh represents the height of the liquid surface above the top of the fixture (the bottom position of the monitor device). The external force required for triggering the device switch is F1, and the self weight of the device is G.
The starting and falling-off process of the semi-submerged mountain torrent warning device comprises the steps of enabling a mountain torrent water line to rise to the bottom of the semi-submerged mountain torrent warning device and contact with an elastic waterproof membrane 212, extruding the elastic waterproof membrane 212 by buoyancy generated by mountain torrent floods along with rising of the water level, enabling the whole device to generate buoyancy to be F1 when the liquid level reaches delta H1 along with continuous rising of the water level, testing a trigger device switch to perform warning, enabling the buoyancy generated by F < G > and floods to be transmitted to a second insulating plate 224 through the elastic waterproof membrane 212, enabling a metal contact 225 arranged on the second insulating plate 224 to be in contact with a metal joint arranged on a first insulating plate 221, enabling the semi-submerged torrent warning device to be in a working state and sending GIS information in an initial state to a rear end database, enabling the device to continuously rise in the water level, enabling the device to drain weight to be equal to self weight, namely F=G when the device is in a critical state when the liquid level reaches delta H2, enabling the device to be in a floating state, enabling the device to be in a vertical state when the liquid level reaches delta H3 and to be separated from the critical torrent warning device, enabling the floating torrent warning device to be in a final state of the flooding torrent warning device to be in a state, and achieving the vertical falling-off state of the torrent warning device 2131.
Through the scheme, the technology for real-time active early warning of the mountain torrents and real-time monitoring of the flow, the flow direction and the like of the mountain torrents is realized through the scheme that the semi-submersible mountain torrents early warning device follows the mountain torrents drifting.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
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