CN109781631B - Protective dam with early warning function - Google Patents
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- CN109781631B CN109781631B CN201910116383.1A CN201910116383A CN109781631B CN 109781631 B CN109781631 B CN 109781631B CN 201910116383 A CN201910116383 A CN 201910116383A CN 109781631 B CN109781631 B CN 109781631B
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Abstract
The invention relates to a protective dam with early warning function, which comprises: dam body, a section of thick bamboo that absorbs water and have root vegetation, evenly planted on the dam body and have root vegetation, have and install a section of thick bamboo that absorbs water between the root vegetation, a section of thick bamboo that absorbs water includes: the barrel, water absorption device and warning device, water absorption device sets up in the barrel, the barrel includes cover and stack shell, the connection that the cover can open/close is on the stack shell, through-hole one has evenly been seted up on the stack shell, water absorption device is a hollow structure, water absorption device evenly has seted up through-hole two on the surface, and the inside water absorption material that is equipped with, water absorption material is water absorption expanding material, touch warning device after the water absorption material inflation, this dam body uses the water absorption section of thick bamboo can adopt the condition early warning mud-rock flow's that the water content of simple and audio-visual mode detected soil condition exceeds standard emergence, and can specifically arrive each position of dam body, can consider the earth's surface river, factor influences such as underground river and vegetation, still be provided with the anti-blocking device who contains auxin agar block, can reduce the destruction of plant roots to detection device.
Description
Technical Field
The invention relates to debris flow prevention and control, in particular to a protective dam with an early warning function.
Background
Since industrialization, the amount of debris flow induced by human factors is increasing. The debris flow has the characteristics of sudden outbreak, large impact force, strong destructive power and the like, and once the outbreak occurs, huge losses are brought to lives and properties of people.
A great deal of research results and engineering practice experience have been disclosed for triggering precipitation in a debris flow outbreak. For example, on the basis of statistical analysis and research of existing debris flow disasters in an area, rainfall combinations in various forms are selected as early warning indexes, a debris flow early warning model is established by adopting linear fitting, a Logistic model or a neural network model, and debris flow prediction is carried out on the basis of the models. The methods play a certain role in the area early warning of the debris flow, but have defects in the aspects of adaptability and reliability.
The existing technology is mainly used for predicting the debris flow through surveying the mountain address condition and detecting the recent precipitation. The reason for directly causing the debris flow is that the water content in the soil is too high, and the influence of factors such as surface rivers, underground rivers, vegetation and the like is neglected by directly surveying the precipitation.
The above problems are urgently to be solved in the industry, and the present application is proposed.
Disclosure of Invention
In order to solve the above problems, the invention discloses a protective dam with an early warning function, which comprises: dam body, a section of thick bamboo that absorbs water and have root vegetation, evenly plant on the dam body has root vegetation, have and install a section of thick bamboo that absorbs water between the root vegetation, a section of thick bamboo that absorbs water includes: the water absorption device is of a hollow structure, a second through hole is uniformly formed in the surface of the water absorption device, a water absorption material is arranged inside the water absorption device, and the water absorption material is a water absorption expansion material and touches the warning device after the water absorption material expands.
Further, the barrel includes: the upper-layer barrel body and the lower-layer barrel body are arranged on the barrel body, the lower-layer barrel body is uniformly provided with first through holes, and a water absorption device is arranged in the lower-layer barrel body.
Further, it also includes: the warning device, warning device includes light source, power and switch, the top at the cover is installed to the light source, the power is installed in the cover bottom, the switch mounting is at the interior top of water absorption device, and switch, light source and power pass through the connection of electric lines.
Furthermore, the number of the water absorption devices is multiple, the water absorption devices are sequentially arranged in the lower-layer barrel body at intervals from top to bottom, the number of the water absorption devices is the same as that of the warning devices, and the water absorption devices correspond to the dam body soil layer.
The anti-blocking device is arranged at the bottom of the barrel, the isolation layer is arranged between the anti-blocking device and the barrel, the water absorption device and the anti-blocking device are isolated by the isolation layer, the anti-blocking device is a hollow cylinder with openings symmetrically arranged on the side surface, and auxin agar blocks are arranged in the anti-blocking device.
Furthermore, the apertures of the first through holes are 0.001-0.1mm respectively and are uniformly arranged on the cylinder body and the water absorption device respectively.
The invention discloses a method for detecting the water content of a protective dam with an early warning function, which comprises the following steps:
the method comprises the following steps: the water absorption cylinders are arranged on the dam body at equal intervals, a plurality of water absorption devices are arranged in the water absorption cylinders and are sequentially overlapped in the water absorption cylinders at intervals, each water absorption device corresponds to the soil layer of the dam body, water in the soil layer of the dam body penetrates through the first through hole in the cylinder body layer by layer from top to bottom, and the water entering the water absorption cylinders is absorbed by water absorption materials in the water absorption devices through the second through holes in the water absorption devices;
step two: when the water absorbing material in the water absorbing device of the first layer absorbs water in the water absorbing device of the first layer to start swelling and absorbs 30ml of water, the water absorbing material in the water absorbing device of the first layer swells to the top in the water absorbing device of the first layer, and the switch on the top in the water absorbing device of the first layer is pressed to be in an open state, so that the light source of the first layer corresponding to the water absorbing device of the first layer is lightened;
step three: after water in the water absorption cylinder respectively enters the water absorption device layer by layer, when the water absorption material in the water absorption device absorbs 30ml of water, the water absorption material in each layer expands to the top in the water absorption device, and meanwhile, the water absorption material in each layer is extruded to be in a switch-on state, and a light source in each layer is lightened;
step four: the light sources can be set to different colors in sequence according to the early warning requirement.
Further, it comprises the following steps:
step five: when water in the dam body soil layer reaches the bottom end of the water absorption cylinder layer by layer from top to bottom, the isolation layer arranged at the bottom end of the water absorption cylinder is used for isolating auxin in the anti-blocking device from diffusing into the water absorption device;
step six: the anti-blocking device is internally provided with an auxin agar block which contains 10-1mol·L－1The auxin with concentration is diffused outwards through the opening of the anti-blocking device, and the auxin concentration near the periphery of the anti-blocking device is more than 10－10mol·L－1Then, a high-concentration auxin region is formed, and the concentration of the auxin far away from the periphery of the anti-blocking device is less than or equal to 10－10mol·L－1Then, forming a low-concentration auxin region;
step seven: the root system of the rooted vegetation is prevented from growing towards the cylinder in the high-concentration auxin area close to the anti-blocking device, and the cylinder is protected from being damaged by tree roots.
In order to solve the problems, the invention discloses a protective dam with an early warning function, a water suction cylinder used by the dam body can detect the condition that the water content of soil exceeds the standard by adopting a simple and visual mode to early warn the occurrence of debris flow, and can be embodied at each position of the dam body, the influence of factors such as surface rivers, underground rivers, vegetation and the like can be considered, meanwhile, the device is also provided with an anti-blocking device containing auxin agar blocks, the damage of plant root systems to the detection device can be effectively reduced, the growth of surrounding plants can be promoted, and the device and a rooted vegetation planted on the dam body are assisted to play a better soil fixing effect.
Drawings
FIG. 1 is a schematic view of a protective dam according to the present invention;
FIG. 2 is a schematic view of the structure of the water-absorbing cylinder of the present invention.
Legend: 1. a dam body; 2. a water suction cylinder; 21. a barrel; 211. a cylinder cover; 212. a barrel body; 2121, forming a first through hole; 2122. an upper layer barrel body; 2123. a lower layer cylinder body; 22. a water absorbing device; 221. a second through hole; 222. a water-absorbing material; 23. a warning device; 231. a light source; 232. a power source; 233. a switch; 24. an isolation layer; 25. an anti-blocking device; 251. an auxin agar block; 3. rooted vegetation.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the details of the description.
As shown in fig. 1 and 2, the invention discloses a protective dam with early warning function, which comprises: the dam comprises a dam body 1, a water absorption cylinder 2 and a root vegetation 3, wherein a soil layer of the dam body 1 comprises an organic matter layer, a leaching layer, a deposition layer, a weathering layer and a basement rock layer, the water absorption cylinder 2 is inserted into a rock layer, and the root vegetation 3 is uniformly planted on the dam body 1.
Along with the start of road reconstruction or synchronous road excavation and dam body 1 construction, the rooted vegetation 3 uniformly planted on the dam body 1 continuously grow along with the advance of the engineering, and after the road traffic is cut through, the root system of the rooted vegetation 3 is rooted in the soil layer of the dam body 1, can play a good role in fixing soil for the dam body 1, in addition, the root vegetation 3 is divided into plants with shallow root systems and plants with deep root systems, wherein, deep root plants are preferred in the invention because the deep root plants have the advantages of developed root system, obvious main root, deep root penetration and the like, the dam body can play a better soil fixing effect, and partial plants with shallow root systems, such as banyan trees, can also be selected, have rich root systems, are shallow in root penetration, but have a good soil fixing effect on surface soil, and the area that easily takes place the debris flow is mostly the area that rainfall is abundant, does benefit to banyan to grow, has to install the section of thick bamboo 2 that absorbs water between the root vegetation 3, and the section of thick bamboo 2 that absorbs water includes: the water absorption device 22 is arranged in the cylinder 21, the cylinder 21 comprises a cylinder cover 211 and a cylinder body 212, the cylinder cover 211 can be connected to the cylinder body 212 in an opening/closing mode, through holes I2121 are uniformly formed in the cylinder body 212, the water absorption device 22 is of a hollow structure, through holes II 221 are uniformly formed in the surface of the water absorption device 22, a water absorption material 222 is arranged in the water absorption device, the water absorption material 222 is a water absorption expansion material, the water absorption cylinder 2 is installed in the dam body 1, water in surrounding soil enters the water absorption device 22 through the through holes I2121 and the through holes II 221 and is absorbed by the water absorption material 222, the water absorption material 222 absorbs water to expand, and the water absorption material 222 touches the warning device 23 after expanding.
The invention relates to a dam body with an early warning function, which further comprises: the warning device 23, the warning device 23 includes light source 231, power 232 and switch 233, the light source 231 is installed at the top of cover 211, the power 232 is installed at the bottom of cover 211, the switch 233 is installed at the top in the water absorption device 22, the light source 231, the power 232 and the switch 233 are connected through electric wires, the water absorption material 222 absorbs water and expands to deform, the switch 233 is touched and squeezed and the light source 231 is lightened, the water absorption material 222 is suitable for being selected according to the saturation value of the water content of the soil at the building position of the dam body 1, the water absorption material 222 can expand to the size capable of being squeezed to the switch 233 when the water content of the soil is high, the warning value of the warning device 23 can be adjusted by adjusting the expansion coefficient of the water absorption material 222 and the installation height of the switch 233, and the service life of the warning device 23 can be prolonged by performing waterproof treatment on each part.
The water absorption device 22 is made of hard material, and when the water absorption material 222 absorbs water and expands to press the switch 223 at the top in the water absorption device 22, the water absorption device 22 is not extruded by the water absorption material 222 after absorbing water and expanding.
The quantity of water absorption device 22 is a plurality of, by the top have spaced installation in lower floor's stack shell 2123 in proper order on earth, distinguishes the setting with the colour of light source 231 among the warning device 23 that water absorption device 22 quantity corresponds, installs a plurality of water absorption device 22 and corresponds a plurality of warning device 23, can light the water content condition of the soil of the condition judgement different degree of depth through light source 231.
When the weathering layer on the dam body 1 and the light source 231 arranged on the corresponding water absorption cylinder 2 are lighted, and the densely distributed water absorption cylinder 2 is provided with the light source 231 which is lighted, the hidden danger of landslide is caused by the fact that the water content in the soil in the area is high, and protective measures are required to be taken, so that the safety consciousness of people is caused.
The invention relates to a dam body with an early warning function, which further comprises: isolation layer 24 with prevent stifled device 25, prevent stifled device 25 setting in barrel 21 bottom, and prevent being provided with isolation layer 24 between stifled device 25 and the barrel 21, keep apart in the auxin of preventing among the stifled device 25 diffuses water absorbing device 22, prevent stifled device 25 and be equipped with open-ended hollow cylinder for the side symmetry, prevent being equipped with auxin agar 251 in the stifled device 25, contain 10 in the auxin agar block 251-1mol·L－1Auxin concentration, the auxin concentration diffused by water near the anti-blocking device 25 is more than 10－10mol·L－1At this time, the auxin with too high concentration can inhibit the growth of the plant root system, and the auxin concentration in the area far away from the anti-blocking device 25 is gradually reduced to be less than or equal to 10－10mol·L－1When the temperature of the water is higher than the set temperature,the auxin promotes the growth of plant roots, so that the formation of the guided growth that the plant root system is inhibited when being close to the anti-blocking device 25 and is promoted when being far away from the anti-blocking device 25 protects the barrel body 21 from being damaged by tree roots.
The invention discloses a method for detecting the water content of a protective dam with an early warning function, which comprises the following steps:
the method comprises the following steps: the water absorption cylinders 2 are arranged on the dam body 1 at equal intervals, a plurality of water absorption devices 22 are arranged in the water absorption cylinders 2 and are sequentially overlapped in the water absorption cylinders 2 at intervals, each water absorption device 22 corresponds to the soil layer of the dam body 1, water in the soil layer of the dam body 1 penetrates through the first through hole 2121 in the cylinder body 212 from top to bottom layer by layer and enters the water absorption cylinders 2, and the water entering the water absorption cylinders 2 is absorbed by the water absorption materials 222 in the water absorption devices 22 through the second through holes 221 in the water absorption devices 22;
step two: when the water absorbing material 222 in the water absorbing device 22 of the first layer absorbs water in the water absorbing device 22 of the first layer to start swelling and the water absorbing material 222 absorbs 30ml of water, the water absorbing material 222 in the water absorbing device 22 of the first layer swells to the top inside the water absorbing device 22 of the first layer, and the switch 233 pressed to the top inside the water absorbing device 22 of the first layer is in an open state, and the light source 231 of the first layer corresponding to the water absorbing device 22 of the first layer is lighted;
step three: after water in the water absorption cylinder 2 enters the water absorption device 22 layer by layer respectively, when the water absorption material 222 in the water absorption device 22 absorbs 30ml of water, the water absorption material 222 in each layer expands to the top in the water absorption device 22, and meanwhile, the water absorption material 222 in each layer is extruded to the switch 233 to be in an open state, and the light source 231 in each layer is lighted;
step four: the light source 231 may be sequentially set to different colors according to the pre-warning requirement.
It also includes the following steps:
step five: when water in the soil layer of the dam body 1 reaches the bottom end of the water absorption cylinder 2 layer by layer from top to bottom, the isolation layer 24 arranged at the bottom end of the water absorption cylinder 2 is used for isolating auxin in the anti-blocking device 25 from diffusing into the water absorption device 22;
step six: an auxin agar block 251 is arranged in the anti-blocking device 25, and the auxin agar block 251 is arranged inComprises 10- 1mol·L－1The auxin with concentration is diffused outwards through the opening of the anti-blocking device 25, and the auxin concentration near the periphery of the anti-blocking device 25 is more than 10－10mol·L－1Then, a region of high concentration auxin is formed, and the concentration of auxin is less than or equal to 10 at the periphery far away from the anti-blocking device 25－10mol·L－1Then, forming a low-concentration auxin region;
step seven: the root system of the rooted vegetation 3 is prevented from growing towards the cylinder 21 in the high-concentration auxin area close to the anti-blocking device 25, and the cylinder 21 is protected from being damaged by the tree roots.
Example one
The dam is built on a mountain with debris flow hidden troubles, the soil layer structure and the distribution condition of the position are detected, the water suction cylinders 2 are installed in a positioning and distributing manner, and the water suction devices 22 and the warning devices 23 are installed in the water suction cylinders 2 according to the soil structure. If two soil horizon need be detected, then set up two water absorption device 22, install respectively in the central point on two soil horizon and put, after the fixing, when precipitation is big or earth's surface, underground river influences, the light source 231 of different colours is lighted in the water absorption material 222 of each layer of water absorption device 22 to the expansion that absorbs water, just can know the condition that each position water content of massif exceeds standard according to the condition of lighting of light source 231, the rainfall corresponds the water content in the soil, the water content in the soil corresponds the water content in the water absorption material 222, the height of switch 233 is decided to the water absorption material 222 degree of expansion that absorbs water.
If the rainstorm blue warning is carried out, namely the rainfall reaches 50mm/12h, water in soil enters the water absorption device 22, the water absorption device 22 is installed in a hydrophilic soil layer, the water inflow reaches 30ml, the selected water absorption material 222 is water absorption resin which absorbs 30ml of water, namely expands 150%, and the water absorption resin expands to 150% and then is slightly larger than the size of the water absorption device 22, and the squeezing opening switch 233 lights the warning device 23 connected with the water absorption device 22.
Example two
The difference between the embodiment and the first embodiment is that the isolation layer and the waterproof device are provided with the auxin agar block 251, the growth condition of the rooted vegetation 3 planted on the dam body 1 is good because of the auxin agar block 251 arranged in the water absorption cylinder 2, the root systems of the rooted vegetation 3 are all far away from the water absorption cylinder 2 to grow, and no root system enters the water absorption cylinder 2 because the aperture of the cylinder body 212 is set to be 0.001-0.1 mm.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (6)
1. A protective dam with early warning function, its characterized in that, it includes: dam body (1), a section of thick bamboo (2) absorb water, have root vegetation (3), isolation layer (24) and prevent stifled device (25), evenly plant on dam body (1) has root vegetation (3), it installs a section of thick bamboo (2) that absorbs water to have between root vegetation (3), a section of thick bamboo (2) that absorbs water includes: barrel (21), water absorbing device (22), warning device (23), water absorbing device (22) sets up in barrel (21), barrel (21) are including cover (211) and stack shell (212), the connection that cover (211) can open/close is on stack shell (212), through-hole one (2121) have evenly been seted up on stack shell (212), water absorbing device (22) are hollow structure, and through-hole two (221) have evenly been seted up on water absorbing device (22) surface, and inside is equipped with water absorbing material (222), water absorbing material (222) are water-absorbing expansion material, touch warning device (23) after water absorbing material (222) expand, are equipped with anti-blocking growth hormone agar 251 in anti-blocking device (25), anti-blocking device (25) sets up in barrel (21) bottom, and be provided with isolation layer (24) between isolation device (25) and barrel (21) and through isolation layer (24) water absorbing device (22) and anti-blocking device (25), the anti-blocking device (25) is a hollow cylinder with openings symmetrically arranged on the side face, an auxin agar block (251) is arranged in the anti-blocking device (25), the auxin agar block (251) contains auxin with the concentration of 10-1 mol.L < -1 >, when the concentration of the auxin diffused by water near the anti-blocking device (25) is more than 10-10 mol.L < -1 >, the auxin with the overhigh concentration can inhibit the growth of plant roots, the concentration of the auxin far away from the anti-blocking device (25) is gradually reduced, and when the concentration of the auxin is less than or equal to 10-10 mol.L < -1 >, the auxin promotes the growth of the plant roots, so that the plant root system is inhibited near the anti-blocking device (25), the guide type growth promoted when the auxin is far away from the anti-blocking device (25) is formed, and the cylinder body (21) is protected from the damage of tree roots.
2. The protective dam with early warning function according to claim 1, characterized in that the barrel (212) comprises: the barrel comprises an upper barrel body (2122) and a lower barrel body (2123), wherein the lower barrel body (2123) is uniformly provided with a first through hole (2121), and a water absorption device (22) is arranged in the lower barrel body.
3. The protective dam with the early warning function according to claim 1, wherein the warning device (23) comprises a light source (231), a power source (232) and a switch (233), the light source (231) is installed on the top of the cylinder cover (211), the power source (232) is installed on the bottom of the cylinder cover (211), the switch (233) is installed on the top inside the water absorption device (22), and the switch (233), the light source (231) and the power source (232) are connected through wires.
4. The protective dam with the early warning function according to claim 1, wherein the number of the water absorption devices (22) is multiple, the water absorption devices are sequentially installed in the lower barrel body (2123) at intervals from top to bottom, the number of the water absorption devices (22) is the same as that of the warning devices (23), and the water absorption devices (22) correspond to the soil layer of the dam body (1).
5. The protective dam with the early warning function according to claim 1, wherein the aperture of the first through hole (2121) and the aperture of the second through hole (221) are respectively 0.001-0.1mm and are respectively and uniformly arranged on the cylinder body (212) and the water absorption device (22).
6. A method for detecting the water content by using the protective dam with the early warning function in any one of claims 1-5 is characterized by comprising the following steps:
the method comprises the following steps: the water absorption cylinders (2) are installed on the dam body (1) at equal intervals, a plurality of water absorption devices (22) are arranged in the water absorption cylinders (2) and are sequentially overlapped in the water absorption cylinders (2) at intervals, each water absorption device (22) corresponds to a soil layer of the dam body (1), water in the soil layer of the dam body (1) penetrates through the first through hole (2121) in the cylinder body (212) layer by layer from top to bottom to enter the water absorption cylinders (2), and the water entering the water absorption cylinders (2) is absorbed by water absorption materials (222) in the water absorption devices (22) through the second through holes (221) in the water absorption devices (22);
step two: when the water absorbing material (222) in the water absorbing device (22) of the first layer absorbs water in the water absorbing device (22) of the first layer to start swelling and the water absorbing material (222) absorbs 30ml of water, the water absorbing material (222) in the water absorbing device (22) of the first layer swells to the inner top of the water absorbing device (22) of the first layer, at the moment, the switch (233) pressed to the inner top of the water absorbing device (22) of the first layer is in an open state, and the light source (231) of the first layer corresponding to the water absorbing device (22) of the first layer is lightened;
step three: when water in the water absorption cylinder (2) respectively enters the water absorption device (22) layer by layer and the water absorption material (222) in the water absorption device (22) absorbs 30ml of water, the water absorption material (222) of each layer expands to the top of the inside of the water absorption device (22), the water absorption material (222) of each layer is extruded to the switch (233) to be in an open state, and the light source (231) of each layer is lightened;
step four: the light source (231) can be set to different colors in turn according to the early warning requirement;
step five: when water in the soil layer of the dam body (1) reaches the bottom end of the water absorption cylinder (2) layer by layer from top to bottom, the isolation layer (24) arranged at the bottom end of the water absorption cylinder (2) is used for isolating auxin in the anti-blocking device (25) from diffusing into the water absorption device (22);
step six: in thatThe anti-blocking device (25) is internally provided with an auxin agar block (251), and the auxin agar block (251) contains 10- 1mol·L－1The auxin with concentration is diffused outwards through the opening of the anti-blocking device (25), and the auxin concentration near the periphery of the anti-blocking device (25) is more than 10－10mol·L－1Then, a high concentration auxin region is formed, and the auxin concentration is less than or equal to 10 at the periphery far away from the anti-blocking device (25)－10mol·L－1Then, forming a low-concentration auxin region;
step seven: the root system of the rooted vegetation (3) is prevented from growing towards the cylinder (21) in a high-concentration auxin area close to the anti-blocking device (25), and the cylinder (21) is protected from being damaged by tree roots.
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| JP3523231B2 (en) * | 2001-11-26 | 2004-04-26 | 東芝エンジニアリング株式会社 | Evacuation guidance system for water disaster |
| CN201259723Y (en) * | 2008-09-26 | 2009-06-17 | 中国地质调查局水文地质环境地质调查中心 | Debris flow alarm |
| US8685707B2 (en) * | 2010-06-14 | 2014-04-01 | Heinz Ploechinger | Construction material made of algae, method for cultivating algae, and algae cultivation plant |
| CN202075836U (en) * | 2011-05-19 | 2011-12-14 | 赵红 | Geological deformation and slip early warning system |
| CN203204791U (en) * | 2013-04-02 | 2013-09-18 | 成都市西创科技有限公司 | Multiparameter landslide and mud-rock flow monitoring early warning system |
| CN104729577A (en) * | 2014-05-12 | 2015-06-24 | 刘平 | Integrated wireless longitudinal multi-element and multi-group soil moisture content measuring instrument |
| CN104521593B (en) * | 2014-12-01 | 2017-04-26 | 国家电网公司 | Controlling method of tree growth in overhead power transmission line corridor |
| CN104599900A (en) * | 2015-01-06 | 2015-05-06 | 燕山大学 | Water triggering type expansive soil automatic switch |
| CN106066388B (en) * | 2016-07-04 | 2018-11-02 | 河北稳控科技有限公司 | Autonomous type slope monitoring system |
| CN205999846U (en) * | 2016-07-31 | 2017-03-08 | 潘奎生 | Water conservancy dam configuration |
| RU2653566C1 (en) * | 2017-07-17 | 2018-05-11 | Общество с ограниченной ответственностью "СибСенсор" (ООО "СибСенсор") | System of the water level in piezometric wells automated measurement |
| CN207443580U (en) * | 2017-10-31 | 2018-06-05 | 广东电网有限责任公司东莞供电局 | A kind of device for being used to inhibit arboreal growth |
| CN207965188U (en) * | 2018-03-17 | 2018-10-12 | 鲁奕岑 | A kind of debris flow monitoring system |
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