CN215416959U - Landslide monitoring system based on rainfall - Google Patents
Landslide monitoring system based on rainfall Download PDFInfo
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- CN215416959U CN215416959U CN202121251654.3U CN202121251654U CN215416959U CN 215416959 U CN215416959 U CN 215416959U CN 202121251654 U CN202121251654 U CN 202121251654U CN 215416959 U CN215416959 U CN 215416959U
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Abstract
A rainfall-based landslide monitoring system comprising: the monitoring device comprises a plurality of monitoring devices, a first wireless communication module and a first controller, wherein each monitoring device comprises a solar cell module, and the first wireless communication module and the first controller are connected with the solar cell module; the rainfall sensor is connected with any monitoring device and used for acquiring rainfall data of an area to be monitored; the plurality of camera devices are connected with the plurality of monitoring devices in a one-to-one correspondence manner; the displacement detection units are connected with the monitoring devices in a one-to-one correspondence manner; and the monitoring terminal comprises a second controller, and a second wireless communication module and a wired communication module which are connected with the second controller. The utility model can effectively detect the rainfall of the area to be monitored for a long time, and realize the preliminary judgment on whether the landslide occurs or not; the method is characterized in that whether the surface layer of the area to be monitored slides or not is judged, so that whether the landslide dangerous situation is about to occur or not is judged directly and definitely. The situation of the scene can be directly and effectively known through a plurality of camera devices, so that the rescue can be dispatched as soon as possible.
Description
Technical Field
The utility model belongs to the field of disaster prevention and treatment, and particularly relates to a landslide monitoring system based on rainfall.
Background
As one of the most common geological disasters, landslide threatens the lives and properties of people, and the loss can be effectively reduced by monitoring landslide hidden danger points in real time. The main inducing factor of landslide is rainfall, and the method is widely applied to landslide prevention and control at home and abroad by analyzing and early warning hidden danger points based on landslide critical rainfall. However, monitoring based on rainfall can only be performed by prediction, and it cannot be intuitively determined whether a landslide occurs, and it is difficult to know the specific disaster situation after the landslide occurs.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a landslide monitoring system based on rainfall, which solves the problems that only landslide can be predicted and the disaster of the specific landslide cannot be checked.
The landslide monitoring system based on rainfall according to the embodiment of the utility model comprises:
the monitoring device comprises a plurality of monitoring devices, a first wireless communication module and a first controller, wherein the monitoring devices are respectively arranged at different positions in an area to be monitored, each monitoring device comprises a solar cell module, and the first wireless communication module and the first controller are connected with the solar cell module;
the rainfall sensor is connected with any monitoring device and used for acquiring rainfall data of the area to be monitored;
the plurality of camera devices are connected with the plurality of monitoring devices in a one-to-one correspondence manner;
the displacement detection units are connected with the monitoring devices in a one-to-one correspondence manner;
the monitoring terminal comprises a second controller, a second wireless communication module and a wired communication module, wherein the second wireless communication module and the wired communication module are connected with the second controller, and the second wireless communication module is in wireless connection with the plurality of first wireless communication modules.
The landslide monitoring system based on rainfall provided by the embodiment of the utility model at least has the following technical effects: the rainfall sensor can be used for effectively detecting the rainfall of the area to be monitored for a long time, so that the preliminary judgment on whether the landslide occurs or not is realized; the displacement detection units can directly and effectively judge whether the surface layer of the area to be monitored slides, so that whether the landslide dangerous situation is about to occur or not is directly and definitely judged. Can look over the monitoring area of needs through a plurality of camera devices, after the potential danger appears in arbitrary position in the monitoring area of needs, all can carry out looking over of particular case through camera device, simultaneously, when the disaster condition appears, also can directly effectual understanding scene to dispatch rescue as early as possible. Can let monitoring devices, rainfall sensor, displacement detecting element can long-time operation through solar module, and need not connect external power source and charge, can realize wireless transmission through first wireless communication module, and then can make whole monitoring devices' arrangement more nimble, also can avoid when the landslide between the different monitoring devices because the outside wiring is stumbled each other. Data of all monitoring devices can be concentrated through the monitoring terminal, and then the data are transmitted to the centralized control center in a wired transmission mode in a high-efficiency and stable mode, so that management personnel can check the data.
According to some embodiments of the present invention, the displacement detecting unit includes a laser ranging sensor and a reflection plate; the laser ranging sensor is connected with the monitoring device; the reflecting plate is arranged on the area to be monitored and used for assisting the laser ranging sensor in displacement detection.
According to some embodiments of the utility model, a storage module is provided in each of the monitoring terminal and the monitoring device.
According to some embodiments of the utility model, the monitoring device further comprises a plurality of tilt sensors, and the plurality of tilt sensors are connected with the plurality of first controllers in a one-to-one correspondence manner.
According to some embodiments of the present invention, the monitoring device further comprises a plurality of satellite positioning units, and the plurality of satellite positioning units are connected with the plurality of first controllers in a one-to-one correspondence manner.
According to some embodiments of the present invention, the monitoring device further includes a plurality of acceleration detecting units, and the plurality of acceleration detecting units are wirelessly connected to the plurality of first wireless communication modules in a one-to-one correspondence manner.
According to some embodiments of the present invention, each of the acceleration detection units includes a low-power-consumption accelerometer, a low-power-consumption wireless communication module, and a storage battery unit, the low-power-consumption accelerometer is connected to the low-power-consumption wireless communication module, and the low-power-consumption wireless communication module is wirelessly connected to the first wireless communication module.
According to some embodiments of the utility model, the rainfall-based landslide monitoring system further comprises a shock sensor coupled to the second controller.
According to some embodiments of the utility model, the rainfall-based landslide monitoring system further comprises a temperature and humidity sensor connected to the second controller.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of a rainfall-based landslide monitoring system in accordance with an embodiment of the present invention;
fig. 2 is an electrical connection diagram of a monitoring device according to an embodiment of the present invention.
Reference numerals:
the monitoring device 100, the solar cell module 110, the first wireless communication module 120, the first controller 130, the tilt sensor 140, the satellite positioning unit 150, the acceleration detection unit 160, the second wireless communication module 120, the third wireless communication module, the fourth wireless communication module, the fifth wireless communication module, the sixth wireless communication module, the fifth wireless communication module, the sixth wireless communication module, the fourth wireless communication module, the sixth wireless communication module, the fourth wireless communication module, the sixth wireless communication module, the fourth wireless communication module, the sixth wireless communication module, the fourth wireless communication module, the fourth wireless communication module, the sixth wireless communication module, the fourth wireless,
A rainfall sensor 200,
An image pickup device 300,
A displacement detection unit 400,
The monitoring terminal 500, the second controller 510, the second wireless communication module 520, the wired communication module 530, the vibration sensor 540, and the temperature and humidity sensor 550.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the directional descriptions, such as the directions of upper, lower, front, rear, left, right, etc., are referred to only for convenience of describing the present invention and for simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
A rainfall-based landslide monitoring system according to an embodiment of the present invention is described below with reference to fig. 1 to 2.
The landslide monitoring system based on rainfall according to the embodiment of the utility model comprises: the rainfall sensor 200, the monitoring terminal 500, the plurality of monitoring devices 100, the plurality of imaging devices 300, and the plurality of displacement detection units 400.
The monitoring devices 100 are respectively arranged at different positions in an area to be monitored, each monitoring device 100 comprises a solar cell module 110, a first wireless communication module 120 and a first controller 130, the first wireless communication module 120 and the first controller 130 are connected with the solar cell module 110, and the first controller 130 is connected with the first wireless communication module 120;
the rainfall sensor 200 is connected with any monitoring device 100 and is used for acquiring rainfall data of an area needing to be monitored;
a plurality of camera devices 300 connected to the plurality of monitoring devices 100 in a one-to-one correspondence;
a plurality of displacement detection units 400 connected to the plurality of monitoring devices 100 in a one-to-one correspondence;
the monitoring terminal 500 includes a second controller 510, and a second wireless communication module 520 and a wired communication module 530 connected to the second controller 510, wherein the second wireless communication module 520 is wirelessly connected to the plurality of first wireless communication modules 120.
Referring to fig. 1 to 2, after determining the region to be monitored, the region to be monitored is divided into a plurality of sub-regions, a position is selected in each sub-region, and the monitoring device 100 is disposed at the position, so that each monitoring device 100 is responsible for data acquisition of one sub-region. The monitoring device 100 includes a solar cell module 110, a first wireless communication module 120, and a first controller 130. Generally, the first wireless communication module 120 and the first controller 130 are disposed in a housing, so as to avoid damage of external rainwater to the first wireless communication module 120 and the first controller 130, and meanwhile, after a landslide occurs, the first wireless communication module 120 and the first controller 130 are not damaged greatly, so that subsequent recycling is facilitated. The solar cell module 110 mainly comprises a photovoltaic panel and a storage battery, the storage battery is also arranged in the shell, and the photovoltaic panel is arranged outside the shell; the photovoltaic panel is connected with the storage battery through a power line so as to realize power supply and charging; meanwhile, the storage battery can still supply power for a period of time after the illumination is lacked or the photovoltaic panel is damaged.
The rainfall sensor 200 can detect the rainfall data in the area needing to be monitored, and because the rainfall is in a range, the area can be detected only by arranging one rainfall sensor 200, and meanwhile, the rainfall sensor 200 can transmit the rainfall data to the monitoring terminal after being connected with any monitoring device 100. In some embodiments of the present invention, a plurality of rainfall sensors 200 are provided, so as to prevent a detection error of a single rainfall sensor 200 or prevent the rainfall data acquisition from being continuously realized after a fault occurs in a single rainfall sensor 200, so that the whole rainfall-based landslide monitoring system no longer plays a monitoring role.
When the rainfall data is normal, the monitoring device 100 cuts off the power supply of the camera device 300 and the displacement detection unit 400, so that the camera device 300 and the displacement detection unit 400 are in a stop working state, the purpose of saving energy consumption is achieved, and the service life of the whole camera device 300 and the whole displacement detection unit 400 is greatly prolonged; meanwhile, the camera device 300 and the displacement detection unit 400 are in a stop working state, so that useless data collected by the camera device 300 and the displacement detection unit 400 can be reduced, waste of resources is avoided, and the screening workload of a centralized control center is reduced.
The displacement detection unit 400 can effectively collect the sliding data of the surface soil of the area to be monitored. Before most landslide dangerous situations occur, surface layer soil slides first, and then middle layer and deep layer soil slide again. Therefore, by collecting the sliding data of the surface soil through the displacement detecting unit 400, it is possible to directly know whether the dangerous case is present, unlike a rough prediction only through the rainfall data. Therefore, when the surface soil slides, the monitoring device 100 and the monitoring terminal send alarm information to the centralized control center, and the centralized control center carries out manual reminding or electronic card character reminding in the dangerous case occurrence area.
The camera device 300 can adopt a monitoring cradle head, the power of the monitoring cradle head is low, the capability of carrying out video acquisition by multiple angles and multiple times is achieved, and video acquisition can be better carried out on an area needing to be monitored. Meanwhile, because the monitoring cloud platform has the capability of multi-angle detection, when the monitoring cloud platform breaks down in a certain sub-area, the monitoring cloud platform in other areas can be used for continuously monitoring. In addition, since the camera 300 can clearly view the situation of the site, the remote detailed viewing and supplement of the conditions monitored by the displacement detection unit 400 and the rain sensor 200 can be performed so as to make the most appropriate warning measure.
In practical situations, the monitoring terminal 500 mainly plays a role of centralized data transmission, so after receiving the data transmitted by the monitoring device 100, the data is transmitted to the centralized control center in a wired transmission manner; meanwhile, the device is mainly used for data transmission, so that the device does not need to be arranged at a dangerous position and can even be directly arranged indoors; the monitoring terminal 500 may be directly powered by commercial power.
According to the rainfall-based landslide monitoring system provided by the embodiment of the utility model, the rainfall sensor 200 can be used for effectively detecting the rainfall of the area to be monitored for a long time, so as to realize the preliminary judgment on whether the landslide occurs or not; the displacement detection units 400 can directly and effectively judge whether the surface layer of the area to be monitored slides, so that whether the landslide dangerous situation is about to occur or not is directly and definitely judged. Can look over the region that needs to monitor through a plurality of camera device 300, after the potential danger appears in arbitrary position in the region that needs to monitor, all can look over through camera device 300 specific conditions, simultaneously, when the disaster condition appears, also can directly effectual understanding scene to dispatch rescue as early as possible. The solar cell module 110 can enable the monitoring device 100, the rainfall sensor 200 and the displacement detection unit 400 to operate for a long time without being connected with an external power supply for charging, and the wireless transmission can be realized through the first wireless communication module 120, so that the whole monitoring device 100 can be arranged more flexibly, and mutual stumbling among different monitoring devices 100 due to external connection lines can be avoided when a landslide occurs. Data of all the monitoring devices 100 can be concentrated through the monitoring terminal 500, and then transmitted to a centralized control center efficiently and stably in a wired transmission mode for a manager to check.
In some embodiments of the present invention, a power detection circuit is further disposed in the monitoring device 100 to detect the power of the battery in the solar cell module 110. The situation that the power generation of the photovoltaic panel is insufficient due to long-time rainy days is avoided, and the electric quantity is insufficient; at this time, if the remaining power cannot be known, the power exhaustion can be known only after the communication between the monitoring device 100 and the monitoring terminal 500, so that a certain dead zone of detection time exists. And after setting up electric quantity detection circuitry, in case the electric quantity is not enough, then can inform the managers to carry out manual intervention, for example through sending the not enough signal of electric quantity: and directly replacing the fully charged storage battery. It should be noted that the monitoring device 100 has the capability of energy-saving operation, so that in actual engineering, the situations that need manual intervention are rare.
In some embodiments of the present invention, the displacement detecting unit 400 includes a laser ranging sensor and a reflection plate; the laser ranging sensor is connected with the monitoring device 100; the reflecting plate is arranged on an area needing to be monitored and used for assisting the laser ranging sensor in displacement detection. The reflecting plate is placed in surface soil of an area to be monitored, so that when the surface soil slides, the reflecting plate is driven to move together; the laser distance measuring sensor needs to be fixedly installed and can be directly installed on a shell of the monitoring device 100; the laser ranging sensor can determine whether the surface soil slides or not through the distance change by measuring the distance from the laser ranging sensor to the reflecting plate. It should be noted here that the housing mounting bracket of the monitoring device 100 is inserted deep into the soil, so that when the surface layer soil slides, the housing of the monitoring device 100 also slides synchronously, and the accuracy of the distance measurement of the laser distance measuring sensor and the reflector is ensured.
In some embodiments of the present invention, a memory module is disposed in both the monitoring terminal 500 and each of the monitoring devices 100. The storage module can store data in the monitoring terminal 500 and the monitoring device 100, so that when communication fails, the data can be temporarily stored, and communication can be continued after recovery. Since the data transmission amount of the monitoring terminal 500 is much larger than that of the monitoring apparatus 100, the storage space of the storage module disposed therein also needs to be increased accordingly.
In some embodiments of the present invention, the monitoring device 100 further includes a plurality of tilt sensors 140, and the plurality of tilt sensors 140 are connected to the plurality of first controllers 130 in a one-to-one correspondence. The inclination angle sensor 140 is arranged in deep soil of a region to be monitored, when landslide occurs, the deep soil can slide or collapse when surface soil and middle soil slide, therefore, the inclination angle is detected by the inclination angle sensor 140, and whether large landslide occurs or not can be reflected on a certain stratification degree.
In some embodiments of the present invention, the rainfall-based landslide monitoring system further includes a plurality of satellite positioning units 150, and the plurality of satellite positioning units 150 are connected to the plurality of first controllers 130 in a one-to-one correspondence manner. Satellite positioning unit 150 mainly fixes a position monitoring devices 100's position, and on the one hand when installation monitoring devices 100, can look over whether monitoring devices 100 in the region that needs to monitor have all arranged corresponding position, and on the other hand can be after the disaster condition takes place, be convenient for find by the monitoring devices 100 who is buried in earth to realize recycle. The satellite positioning unit 150 may be a Beidou satellite positioning module or a GPS positioning module.
In some embodiments of the present invention, the landslide monitoring system based on rainfall further includes a plurality of acceleration detection units 160, and the plurality of acceleration detection units 160 are in one-to-one correspondence wireless connection with the plurality of first wireless communication modules 120. The acceleration detection unit 160 can most directly detect whether the landslide occurs, and after the acceleration detection unit 160 is arranged in the middle-layer soil, the acceleration detection unit 160 can be driven to move when the landslide actually occurs, so that the dangerous case can be directly determined by judging the acceleration state of the acceleration unit. It should be noted here that the displacement detection unit 400, the tilt sensor 140, and the acceleration detection unit 160 respectively detect the surface soil, the middle soil, and the deep soil, so as to accurately perform early warning of different horizons on severe landslides, and avoid the situation that a centralized control center cannot find a more severe dangerous situation because the centralized control center needs to check videos collected by too many cameras 300 at the same time. It should be noted that the mounting base of the monitoring device 100 usually goes deep into the deep soil, so that the monitoring device 100 does not move when the middle soil slides, and therefore, a wireless connection is adopted to avoid the acceleration detecting unit 160 from being involved in the monitoring device 100 when the acceleration detecting unit moves along with the middle soil.
In some embodiments of the present invention, each acceleration detecting unit 160 includes a low power consumption accelerometer, a low power consumption wireless communication module, and a storage battery unit, wherein the low power consumption accelerometer is connected to the low power consumption wireless communication module, and the low power consumption wireless communication module is wirelessly connected to the first wireless communication module 120. The acceleration detecting unit 160 is disposed in the middle soil, and because a long-distance displacement is usually accompanied when an emergency occurs, a wireless connection is selected instead of a direct wired connection with the monitoring device 100. Here, a low-power self-powered data acquisition manner is adopted, so that the acceleration detection unit 160 can be flexibly set. In some embodiments of the utility model, the low power accelerometer is selected for use as ADXL 362. The storage battery unit can be a button battery.
In some embodiments of the present invention, the rainfall-based landslide monitoring system described above further comprises a shock sensor 540 coupled to the second controller 510. The vibration sensor 540 mainly detects the vibration condition of the area to be monitored, but needs to perform early warning in time when vibration with larger amplitude and higher frequency occurs. Since vibration is usually regional and not highly required indoors and outdoors, it is sufficient to directly connect the vibration sensor 540 and the monitoring terminal 500.
In some embodiments of the present invention, the rainfall-based landslide monitoring system further comprises a temperature and humidity sensor 550 connected to the second controller 510. Temperature and humidity sensor 550 can detect the temperature and humidity in the area that needs to be monitored, and temperature and humidity can verify to a certain extent whether the detection result of rainfall sensor 200 is accurate.
In some embodiments of the present invention, the first controller 130 and the second controller 510 employ a single chip, a DSP, or an ARM. Considering that the data processing amount of the first controller 130 is small, a single chip microcomputer can be adopted, specifically, an STM32F103 single chip microcomputer can be adopted, and the cost can be effectively saved; in addition, in order to reduce the data transmission amount of the first controller 130, the video data collected by the camera device 300 is directly transmitted through the first wireless communication module. The second controller 510 is at the end of data transmission, so the data processing amount is large, and a DSP may be selected for processing, specifically, the TMS320 series may be selected.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the embodiments, and those skilled in the art will understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A rainfall-based landslide monitoring system comprising:
the monitoring device comprises a plurality of monitoring devices (100) which are respectively arranged at different positions in an area to be monitored, wherein each monitoring device (100) comprises a solar cell module (110), a first wireless communication module (120) and a first controller (130), the first wireless communication module (120) and the first controller (130) are connected with the solar cell module (110), and the first controller (130) is connected with the first wireless communication module (120);
the rainfall sensor (200) is connected with any monitoring device (100) and is used for collecting rainfall data of the area to be monitored;
the plurality of camera devices (300) are connected with the plurality of monitoring devices (100) in a one-to-one correspondence manner;
a plurality of displacement detection units (400) connected in one-to-one correspondence with the plurality of monitoring devices (100);
the monitoring terminal (500) comprises a second controller (510), and a second wireless communication module (520) and a wired communication module (530) which are connected with the second controller (510), wherein the second wireless communication module (520) is wirelessly connected with the plurality of first wireless communication modules (120).
2. The rainfall-based landslide monitoring system of claim 1 wherein the displacement detection unit (400) comprises a laser ranging sensor and a reflective plate; the laser ranging sensor is connected with the monitoring device (100); the reflecting plate is arranged on the area to be monitored and used for assisting the laser ranging sensor in displacement detection.
3. A rainfall-based landslide monitoring system as claimed in claim 1 wherein a memory module is provided in both the monitoring terminal (500) and each of the monitoring devices (100).
4. The rainfall-based landslide monitoring system of claim 1 wherein the monitoring device (100) further comprises a plurality of tilt sensors (140), the plurality of tilt sensors (140) connected in a one-to-one correspondence with the plurality of first controllers (130).
5. The rainfall-based landslide monitoring system of claim 1 wherein the monitoring device (100) further comprises a plurality of satellite positioning units (150), the plurality of satellite positioning units (150) being connected in a one-to-one correspondence with the plurality of first controllers (130).
6. The landslide monitoring system of claim 1 wherein the monitoring device (100) further comprises a plurality of acceleration detection units (160), wherein the plurality of acceleration detection units (160) are wirelessly connected with the plurality of first wireless communication modules (120) in a one-to-one correspondence.
7. The rainfall-based landslide monitoring system of claim 6 wherein each of the acceleration detection units (160) comprises a low power accelerometer, a low power wireless communication module, and a battery unit, wherein the low power accelerometer is connected to the low power wireless communication module, and wherein the low power wireless communication module is wirelessly connected to the first wireless communication module (120).
8. The rainfall-based landslide monitoring system of claim 1 further comprising a shock sensor (540) connected to the second controller (510).
9. A rainfall-based landslide monitoring system as claimed in claim 1 further comprising a temperature and humidity sensor (550) connected to the second controller (510).
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| CN202121251654.3U CN215416959U (en) | 2021-06-04 | 2021-06-04 | Landslide monitoring system based on rainfall |
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| CN202121251654.3U CN215416959U (en) | 2021-06-04 | 2021-06-04 | Landslide monitoring system based on rainfall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688986A (en) * | 2022-03-25 | 2022-07-01 | 广西机电职业技术学院 | Method for monitoring slope deformation of embedded corner reflector based on unmanned aerial vehicle |
| CN115144034A (en) * | 2022-07-19 | 2022-10-04 | 江苏南京地质工程勘察院 | Soil landslide emergency monitoring device |
-
2021
- 2021-06-04 CN CN202121251654.3U patent/CN215416959U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688986A (en) * | 2022-03-25 | 2022-07-01 | 广西机电职业技术学院 | Method for monitoring slope deformation of embedded corner reflector based on unmanned aerial vehicle |
| CN115144034A (en) * | 2022-07-19 | 2022-10-04 | 江苏南京地质工程勘察院 | Soil landslide emergency monitoring device |
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