CN114152274A - A recyclable geological disaster monitoring device - Google Patents
A recyclable geological disaster monitoring device Download PDFInfo
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- CN114152274A CN114152274A CN202111530410.3A CN202111530410A CN114152274A CN 114152274 A CN114152274 A CN 114152274A CN 202111530410 A CN202111530410 A CN 202111530410A CN 114152274 A CN114152274 A CN 114152274A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 53
- 238000004458 analytical method Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 description 32
- 238000009434 installation Methods 0.000 description 8
- 230000007123 defense Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/08—Aircraft not otherwise provided for having multiple wings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Radar, Positioning & Navigation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Environmental & Geological Engineering (AREA)
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- Business, Economics & Management (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
本发明提供了一种可回收利用的地质灾害监测装置，具体包括：供电模块、GNSS监测系统、收缩绳和无人机；利用GNSS(Global Navigation Satellite System，即全球导航卫星系统)进行监测，同时依靠无人机携带，避免工作人员前往高陡边坡、高位滑坡、超高位滑坡等危险区域的风险，并且通过无人机的遥控机械臂，抓取收缩绳回收GNSS监测系统，从而反复使用。
The present invention provides a recyclable geological disaster monitoring device, which specifically includes: a power supply module, a GNSS monitoring system, a retractable rope and an unmanned aerial vehicle; GNSS (Global Navigation Satellite System, namely global navigation satellite system) is used for monitoring, and at the same time Relying on drones to carry, avoid the risk of staff going to dangerous areas such as high and steep slopes, high-level landslides, and ultra-high-level landslides, and through the remote control arm of the drone, grab the retractable rope to recover the GNSS monitoring system for repeated use.
Description
Technical Field
The invention relates to the technical field of geological disaster monitoring, in particular to a geological disaster monitoring device.
Background
In recent years, as global temperature becomes warm and extreme weather occurs frequently, geological disaster prevention and control work becomes more severe. Since the implementation of the three-year action scheme for preventing and treating the geological disasters in China, a first-generation universal geological disaster monitoring instrument is formed, and tests are carried out in a large area in China, so that most hidden danger points can be basically covered, and a good effect is achieved. However, in dangerous areas such as high and steep slopes, high-position landslides and ultrahigh-position landslides, personnel cannot reach the dangerous areas, so that geological disaster monitoring and early warning work cannot be carried out, and the dangerous areas are high-occurrence areas of geological disasters.
At present, the existing geological disaster monitoring methods in China comprise three types, namely group measurement and group defense, professional monitoring and universal monitoring. The group survey group defense monitoring and early warning mode generally comprises the steps that a monitor patrols on site and installs a simple monitoring device, and after abnormality is found, a mobile phone is dialed for early warning or the simple device gives an alarm; the professional monitoring is to install a specialized large-scale instrument, monitor the disaster hidden danger points, transmit the monitoring data to a background for big data analysis and early warning; the universal monitoring combines the advantages of group-testing group defense and professional monitoring, reduces certain technical indexes of equipment under the condition of ensuring the monitoring effect, thereby reducing the overall cost, realizing the monitoring with extremely high cost performance and achieving large-scale application.
However, these solutions have the following disadvantages:
group measurement and group defense monitoring: the group survey group defense monitoring instrument generally does not have the remote transmission function, is only suitable for places with people such as the front and the back of a house, and the like, and is also only suitable for places where the people can arrive by manual inspection, and the personal safety of the people is easily dangerous to disaster points such as a high and steep slope, a high-position landslide and the like.
Professional monitoring: professional monitoring generally adopts large-scale equipment and is matched with a large-scale power supply system to realize monitoring, but the equipment is generally only suitable for places where personnel can reach, and for disasters such as high and steep slopes, high-position landslides and the like, the implementation cost is too high unless engineering is used, and the equipment is not suitable for large-area development.
Monitoring the general type: the universal monitoring equipment has the advantages of integrated design, small size, light weight, low power consumption and convenience in installation and transportation, but no good solution is provided for disaster points which cannot be reached by personnel at present.
Disclosure of Invention
The invention aims to provide a recyclable geological disaster monitoring device which can effectively monitor dangerous areas such as a high and steep side slope, a high-position landslide and an ultrahigh-position landslide.
In order to solve the above problems, the present invention provides a recyclable geological disaster monitoring device, which is monitored by using a GNSS (Global Navigation Satellite System), and is carried by an unmanned aerial vehicle, so as to avoid the risk of a worker going to dangerous areas such as a steep slope, a high-position landslide, an ultrahigh-position landslide, and the like, and specifically includes: the system comprises a power supply module, a GNSS monitoring system, a contraction rope and an unmanned aerial vehicle; the GNSS monitoring system is arranged on the upper portion of the power storage module, the anti-slip needle is arranged below the power storage module, four edges of the power storage module are connected with the bottom edge of the solar panel through the spring hinges respectively, the solar panel can be unfolded under the action of the spring hinges, a threading hole is further formed in the vertex angle of each solar panel, and the charging control module is arranged in the power storage module and is electrically connected with the solar panel; the GNSS monitoring system comprises a protective cover, a positioning module, an analysis module and a communication module, wherein the positioning module, the analysis module and the communication module are arranged in the protective cover, the GNSS positioning module is used for positioning the current position, and the GNSS analysis module is used for processing data of the GNSS positioning module to obtain X, Y, Z triaxial displacement variation; the shrink rope passes the through wires hole of setting on solar cell panel, hangs power module and GNSS monitoring system in unmanned aerial vehicle's below to unmanned aerial vehicle has the remote control arm, and unmanned aerial vehicle snatchs the shrink rope through the remote control arm.
Above-mentioned but GNSS monitoring system still has binding post among recycle's the geological disasters monitoring devices, and charge controller passes through the cable and is connected with binding post and solar cell panel electricity respectively.
The recyclable geological disaster monitoring device further comprises: the fixing piece is used for fixing the GNSS monitoring system on the upper part of the power storage module.
The fixing piece in the recyclable geological disaster monitoring device is made of stainless steel.
The recyclable geological disaster monitoring device is characterized in that 4 isosceles triangular solar panels are gathered together to form a pyramid.
The technical scheme of the invention has the following beneficial technical effects: utilize unmanned aerial vehicle to carry GNSS monitoring devices to effectively avoid the staff to go to danger areas such as high steep side slope's risk, GNSS power module can extend duration through solar energy power generation simultaneously by a wide margin, and unmanned aerial vehicle's remote control machinery can snatch flexible rope, thereby withdraws GNSS monitoring devices, reduces use cost.
Drawings
FIG. 1 is a schematic structural diagram according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a GNSS monitoring system according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of an embodiment of the present invention during use;
FIG. 4 is an expanded view of an embodiment of the present invention;
FIG. 5 is a schematic view of the mechanism of the recovery apparatus according to the embodiment of the present invention;
FIG. 6 is a schematic view of the mechanism of the recovery apparatus in another state according to the embodiment of the present invention.
Reference numerals:
1. a GNSS power supply module; 101. a battery energy storage module; 102. an anti-slip needle; 103. a spring hinge; 104. a solar panel; 105. threading holes; 106. a solar controller; 107. a cable; 2. a GNSS monitoring system; 201. a protective cover; 202. a GNSS positioning module; 203. a GNSS parsing module; 204. a GNSS communication module; 205. a wiring terminal; 206. a fixing member; 3. retracting the cord; 4. unmanned aerial vehicle.
5. A recovery device; 51. a first recovery unit; 511. a recovery rod; 5111. a main rod; 5112. separating rods; 512. a first mounting plate; 52. a second recovery unit; 521. a second mounting plate;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The illustrated embodiment of the invention is described below with reference to fig. 1-3.
Referring to fig. 1, the present embodiment includes a power supply module 1, a GNSS monitoring system 2, a retraction rope 3, and an unmanned aerial vehicle 4.
Wherein power module 1 has power storage module 101, power storage module 101 is square plate-shaped, GNSS monitoring system 2 installs in power storage module 101 top, be provided with anti-slide needle 102 in power storage module 101 below, can play the effect of increase GNSS monitoring devices and ground friction power, install solar cell panel 104 through spring hinge 103 respectively on four limits of power storage module 101 simultaneously, solar cell panel 104 expandes under spring hinge 103's effect, in this embodiment, solar cell panel 104 is the triangle-shaped, preferably isosceles triangle-shaped, and base one side is connected with power storage module 101, threading hole 105 has been seted up on every solar cell panel 104, threading hole 105 is located isosceles triangle's apex angle department in this embodiment. When the solar cell panels 104 are folded, the solar cell panels 104 and the power storage module 101 form a pyramid, and the GNSS monitoring system 2 is enclosed in the pyramid enclosed by the solar cell panels 104 and the power storage module 101. A charging control module 106 is further provided in the power storage module 101, and the charging control module 106 is electrically connected to the solar cell panel 104.
The GNSS monitoring system 2 includes a protective cover 201, a positioning module 202, an analysis module 203, and a communication module 204, wherein the positioning module 202, the analysis module 203, and the communication module 204 are disposed in the protective cover 201, and are protected by the protective cover 201, so as to prevent damage caused by collision during use. The GNSS monitoring system 2 further includes a fixing member 206, the GNSS monitoring system 2 is fixedly disposed on the upper portion of the power storage module 101 through the fixing member 206, and the fixing member 206 is made of a stainless steel material, and is durable. The GNSS monitoring system 2 further has a connection terminal 205, and the charging controller 106 is electrically connected to the connection terminal 205 and the solar cell panel 104 through the cable 107, respectively. GNSS locating module 202 is used for fixing a position current position, GNSS analysis module 203 handles GNSS locating module 202's data, it is X, Y, Z triaxial displacement variation to reachd, carry out the intelligent control of power supply and communication to GNSS monitoring system 2 simultaneously, still built-in have intelligent control algorithm in GNSS analysis module 203, through the measurement to supply voltage, and then judge that GNSS detecting system 2 is in the standard, three kinds of operating condition of low-power consumption and dormancy, thereby reduce the power consumption, average power consumption can be less than 1.2kw, ensure in open-air work demand.
The shrink rope 3 passes through the threading hole 105 of the solar cell panel 104, hangs the power supply module 1 and the GNSS monitoring system 2 below the unmanned aerial vehicle 4, and the unmanned aerial vehicle 4 has a remote control arm, snatchs the shrink rope 3 through the remote control arm.
When a geological disaster occurs and needs to be monitored, the retraction rope 3 is lifted upwards by the unmanned aerial vehicle 4, so that 4 solar panels 104 are gathered into a pyramid shape, then the unmanned aerial vehicle is controlled to fly to the upper space of a monitoring point, a high and steep side slope is searched by using a camera of the unmanned aerial vehicle as a proper landing point, after the proper landing point is determined, the unmanned aerial vehicle flies to the upper space and slowly descends, when the unmanned aerial vehicle descends to the ground height of the high and steep side slope of 2 meters, the remote control mechanical arm is loosened, the power supply module 1 and the GNSS monitoring system 2 fall to the specified positions, the anti-slide needle 102 is inserted into the soil body, so that the stability of the whole device is ensured, as the retraction rope 3 is not in a tight state any more, the solar panels 104 are unfolded under the action of the spring hinge 103 and generate electricity, and the GNSS monitoring system 2 is powered on before taking off, so that the remote control can be carried out through a wireless network after landing, after the initialization is completed, the monitoring work can be carried out.
Accomplish the monitoring task back in monitoring period, can control unmanned aerial vehicle 4 to fly to reach 2 meters departments above the landing point, get arbitrary one section of shrink rope 3 through remote control mechanical arm hook, unmanned aerial vehicle 4 promotes the height after that, and shrink rope 3 is strained, then solar cell panel 104 shrink gathers together into the pyramid form, then power module 1 and GNSS monitoring system 2 are withdrawed by unmanned aerial vehicle 4 together.
In order to facilitate the recovery of the unmanned aerial vehicle, the present invention further includes a recovery device 5, referring to fig. 5, specifically including a first recovery part 51 and a second recovery part 52, wherein the first recovery part 51 is carried by the unmanned aerial vehicle 4, the second recovery part 52 is connected with the retraction rope 3, the first recovery part 51 comprises a recovery rod 511 and a first mounting plate 512, the recovery rod 511 comprises a main rod 5111 and a plurality of branch rods 5112, the branch rods 5112 are hinged with the main rod 5111 along the radial direction and are opened or closed like an umbrella, and the distance of the center of gravity of each sub-rod 5112 from the axis of the main rod 5111 is greater than the distance of the hinge point from the axis of the main rod 5111, so that each sub-rod 5112 automatically opens like an umbrella under the gravity of the recovery rod 511, however, the first recovery part 511 is provided with a first mounting hole, the recovery rod 511 passes through the first mounting hole, each of the divided rods 5112 is gathered due to the constraint of the first installation hole and cannot be opened in an umbrella shape.
The first mounting plate 512 is provided with a plurality of electromagnets for adsorbing the second recovery part 52, correspondingly, the second recovery part 52 is provided with a second mounting plate 521, the second mounting plate 521 is provided with iron blocks, and the iron blocks arranged on the second mounting plate 521 are arranged in a rectangle for positioning the second mounting plate 521 when in recovery, so that the electromagnets on the first recovery part 51 are also arranged in the same arrangement, thus in actual operation, the first recovery part 51 and the second recovery part 52 can be adsorbed according to preset positions, the second mounting plate 521 is further provided with second mounting holes for the recovery rods 511 to pass through, and the positions of the second mounting holes are arranged corresponding to the positions of the first mounting holes.
Referring to fig. 6, when the unmanned aerial vehicle 4 is used, firstly, the unmanned aerial vehicle 4 is hovered to a recovery place, the first recovery part 51 firstly adsorbs the second recovery part 52 through the electromagnet, at this time, the first installation hole and the second installation hole are aligned, then, the recovery rod 511 is put down, after the branch rod 5112 completely passes through the first installation hole and the second installation hole, the branch rod 5112 is opened in an umbrella shape under the action of gravity, so that the size of the tail end is larger than the inner diameter of the first installation hole and the second installation hole, in order to prevent the branch rod 5112 from being opened completely in the umbrella shape due to other factors such as wind power, a sleeve 53 can be sleeved on the main rod 5111, the sleeve 53 can slide into the space between the main rod 5111 and the branch rod 5112 due to gravity, and further drive the branch rod 5112 to open due to gravity, when the unmanned aerial vehicle is not used, the sleeve 53 is sleeved on the main rod 5111 and abuts against the tail end of the branch rod 5112.
When the branch rod 5112 is completely opened, the electromagnet is powered off, and the recovery rod 511 can lift the second recovery part 52 to complete the recovery.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111530410.3A CN114152274A (en) | 2021-12-15 | 2021-12-15 | A recyclable geological disaster monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111530410.3A CN114152274A (en) | 2021-12-15 | 2021-12-15 | A recyclable geological disaster monitoring device |
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| CN114152274A true CN114152274A (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111530410.3A Pending CN114152274A (en) | 2021-12-15 | 2021-12-15 | A recyclable geological disaster monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114582096A (en) * | 2022-05-06 | 2022-06-03 | 四川省冶勘设计集团有限公司 | Geological displacement detection device based on geological disaster monitoring and detection method thereof |
| CN115158662A (en) * | 2022-07-11 | 2022-10-11 | 河海大学 | A device for monitoring slope soil deformation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208411468U (en) * | 2018-06-12 | 2019-01-22 | 北京中科遥数信息技术有限公司 | A kind of unmanned plane charging unit |
| CN210142197U (en) * | 2019-06-20 | 2020-03-13 | 湖南联智监测科技有限公司 | Low-power-consumption GNSS monitoring receiver |
| CN111198398A (en) * | 2020-02-24 | 2020-05-26 | 中国地震局地壳应力研究所 | Projection type landslide monitoring device, system and method |
| CN214041742U (en) * | 2020-10-30 | 2021-08-24 | 长安大学 | A remote deployment geological disaster monitoring device with anti-swing structure |
| CN216791247U (en) * | 2021-12-15 | 2022-06-21 | 中国地质调查局水文地质环境地质调查中心 | But recycle's geological disasters monitoring devices |
-
2021
- 2021-12-15 CN CN202111530410.3A patent/CN114152274A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208411468U (en) * | 2018-06-12 | 2019-01-22 | 北京中科遥数信息技术有限公司 | A kind of unmanned plane charging unit |
| CN210142197U (en) * | 2019-06-20 | 2020-03-13 | 湖南联智监测科技有限公司 | Low-power-consumption GNSS monitoring receiver |
| CN111198398A (en) * | 2020-02-24 | 2020-05-26 | 中国地震局地壳应力研究所 | Projection type landslide monitoring device, system and method |
| CN214041742U (en) * | 2020-10-30 | 2021-08-24 | 长安大学 | A remote deployment geological disaster monitoring device with anti-swing structure |
| CN216791247U (en) * | 2021-12-15 | 2022-06-21 | 中国地质调查局水文地质环境地质调查中心 | But recycle's geological disasters monitoring devices |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114582096A (en) * | 2022-05-06 | 2022-06-03 | 四川省冶勘设计集团有限公司 | Geological displacement detection device based on geological disaster monitoring and detection method thereof |
| CN114582096B (en) * | 2022-05-06 | 2022-07-29 | 四川省冶勘设计集团有限公司 | Geological displacement detection device based on geological disaster monitoring and detection method thereof |
| CN115158662A (en) * | 2022-07-11 | 2022-10-11 | 河海大学 | A device for monitoring slope soil deformation |
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