CN113820757B - Early warning device and early warning system for rainfall of medium and small watershed surfaces - Google Patents
Early warning device and early warning system for rainfall of medium and small watershed surfaces Download PDFInfo
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- CN113820757B CN113820757B CN202110849142.5A CN202110849142A CN113820757B CN 113820757 B CN113820757 B CN 113820757B CN 202110849142 A CN202110849142 A CN 202110849142A CN 113820757 B CN113820757 B CN 113820757B
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- 230000005574 cross-species transmission Effects 0.000 claims description 6
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- G01W—METEOROLOGY
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- G01W1/14—Rainfall or precipitation gauges
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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
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Abstract
The invention discloses a rainfall early warning device for a middle and small watershed surface and an early warning system thereof, and the rainfall early warning device comprises a device body, wherein the device body comprises an early warning device, a first bottom plate and a second bottom plate, the first bottom plate is arranged above the second bottom plate, blind hole threads are arranged below the second bottom plate, through hole threads are arranged on the first bottom plate, the through hole threads and the blind hole threads are fixedly connected through bolts, a fixing pile is arranged at the bottom of the second bottom plate, an anti-leakage groove is arranged between two adjacent blind hole threads on the second bottom plate, and the anti-leakage groove is of a structure with low middle and high two ends. The beneficial effects of the invention are as follows: the method can realize observation by naked eyes and monitoring of the whole process by the client, can adapt to fixation of different geological conditions, and satisfies monitoring of rainfall of different small and medium-sized watercourses.
Description
Technical Field
The invention relates to the technical field of early warning of rainfall on the surfaces of medium and small watersheds, in particular to an early warning device and an early warning system of the rainfall on the surfaces of the medium and small watersheds.
Background
And collecting 3884523 precipitation observation records in total in 2014-2019 by arrangement, and calculating to obtain the surface rain values of 132865 medium and small watercourses in Jiangxi province. And calculating quantile change conditions of different precipitation levels by using precipitation data of the country station in the last 5 years, and carrying out search analysis on 13 or more than ten thousands of medium-small watershed surface rainfall values according to the same quantile to preliminarily determine the medium-small watershed surface rainfall level values.
National station precipitation data show that the score of 24h small rain is 0-67.87, the score of medium rain is 67.87-87.56, the score of heavy rain is 87.56-96.43, the score of heavy rain is 96.43-99.42, the score of heavy storm is 99.42-99.99, and the score of extra heavy storm is 99.99-100. The same quantile analysis is carried out by using the calculated face rainfall value, so that the following steps are obtained: the corresponding small rainfall level value is 0-6.3 mm, the medium rainfall level value is 6.3-17.0 mm, the heavy rainfall level value is 17.0-35.8 mm, the heavy rainfall level value is 35.8-75.7 mm, the heavy rainfall level value is 75.7-168.3 mm, and the extra-large rainfall level value is more than or equal to 169mm.
According to the use habit of Chinese science and technology workers, the GB/T28592-2012 precipitation level and the GB/T20486-2017 river basin surface rainfall level are referred to, slight adjustment is carried out according to expert opinion, and the small basin surface rainfall level in 24 hours is determined: the small rainfall level value is 0.1-5.9 mm, the medium rainfall level value is 6.0-19.9 mm, the heavy rainfall level value is 20.0-34.9 mm, the heavy rainfall level value is 35.0-74.9 mm, the heavy rainfall level value is 75.0-169.9 mm, and the extra heavy rainfall level value is more than 170.0mm; level of medium and small basin surface rainfall in 12 h: the small rainfall level value is 0.1-2.9 mm, the medium rainfall level value is 3.0-9.9 mm, the heavy rainfall level value is 10.0-19.9 mm, the heavy rainfall level value is 20.0-49.9 mm, the heavy rainfall level value is 50.0-99.9 mm, and the extra-large rainfall level value is more than 100.0mm.
However, the existing production method can produce an early warning device for calculating the rainfall, but there are a plurality of defects: 1. at present, the existing early warning device is mainly used for calculating the rainfall of a certain area through a single-stage collecting device, and when a large rainfall magnitude value needs to be monitored, the device cannot effectively monitor the rainfall at the moment, so that the rainfall cannot be monitored in real time. 2. The existing device can monitor the middle and small rivers, but has the problems that the device can not monitor a large-sized river basin and is frequently replaced, so that the device has low utilization rate. 3. The existing rainfall early warning device mainly collects rainwater in a lying mode, when the rainfall accompanies windy weather, the rainwater collection port is blocked due to garbage and dust on the ground or the water surface, and the rainfall data is unstable to monitor. 4. When the existing rainfall early warning device detects at night, reading is difficult to read due to the problem of sight, and accuracy of reading is affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the method for monitoring the whole process by naked eyes or through a client, so that the method can adapt to fixation of different geological conditions and satisfies the monitoring of rainfall of different small and medium-sized watercourses.
The aim of the invention is achieved by the following technical scheme: the device comprises a device body, wherein the device body comprises a pre-warning device, a first bottom plate and a second bottom plate, the first bottom plate is arranged above the second bottom plate, blind hole threads are arranged below the second bottom plate, through hole threads are arranged on the first bottom plate, the through hole threads and the blind hole threads are fixedly connected through bolts, a fixing pile is arranged at the bottom of the second bottom plate, an anti-seepage groove is arranged between two adjacent blind hole threads on the second bottom plate, and the anti-seepage groove is of a structure with low middle and high two ends;
the middle part of antiseep recess is equipped with the seepage part, the seepage part is cylindrical structure, the bottom of spud is equipped with spike portion, the other outside inclined structural plane that is equipped with of antiseep recess, be equipped with the bracing piece that can dismantle on the bottom plate one, the bracing piece is including fixing fixed section one on the bottom plate one to and fix the fixed section second in early warning device bottom, be equipped with a connecting rod that can dismantle wantonly between fixed section one and the fixed section second at least, early warning device includes early warning rainfall monitoring case and sets up the solar sailboard on early warning rainfall monitoring case upper portion, the width of solar sailboard is greater than the width of early warning rainfall monitoring box, solar sailboard both ends all are equipped with the baffle, be equipped with the slope rainfall baffle on the top of early warning rainfall monitoring case, the slope rainfall baffle is equipped with first slope rainfall baffle and second slope rainfall baffle, be equipped with one between fixed section one and the solar energy board, early warning device is equipped with the solar energy sailboard and early warning device's solar energy monitoring case and sets up at early warning rainfall monitoring case upper portion, the width of solar energy sailboard is greater than the width of early warning rainfall monitoring box, solar energy sailboard both ends all are equipped with the baffle, be equipped with the slope rainfall baffle on the top of early warning rainfall monitoring case, be equipped with the slope rainfall baffle on the top of the filter plate two filter plates, the diameter of two filter plates are equipped with two filter plates and two filter plates, two filter plates are equipped with the inside two filter plates diameter and two filter plates.
The first structure is the same with the volume size of the inside of the second structure, the first inclined rainfall baffle and the second inclined rainfall baffle are of V-shaped structures, the length of the joint of the first inclined rainfall baffle and the solar sailboard is greater than that of the joint of the first inclined rainfall baffle and the solar sailboard, and rotatable shielding devices are arranged beside the first filter board and the second filter board.
The shielding device comprises a fixed cylinder fixed at the top of the early warning rainfall monitoring box body, a rotatable elastic rod is arranged on the fixed cylinder, a sealing component is arranged below the bottom of the elastic rod, and the area of the sealing component is larger than that of the second filter plate.
The inside of first structure and second structure is equipped with first U-shaped water yield monitoring pipe and second U-shaped water yield monitoring pipe respectively, the volume of the monitoring rainfall of second U-shaped water yield monitoring pipe is greater than first U-shaped water yield monitoring pipe volume, the inside of first U-shaped water yield monitoring pipe and second U-shaped water yield monitoring pipe all is equipped with water level sensor and cursory water level monitoring piece.
Be equipped with the water level and spill over the device between first U-shaped water yield monitor pipe and the second U-shaped water yield monitor pipe, be equipped with the scale mark on water level and spill over the mouth of pipe on water level spill over the device and the second U-shaped water yield monitor pipe, be provided with integrated into one piece's fixed block on the lateral wall of first U-shaped water yield monitor pipe and the second U-shaped water yield monitor pipe, be equipped with telescopic rope between fixed block and the showy water level monitor block.
The utility model discloses a water level monitoring system, including cursory water level monitoring piece, early warning rainfall monitoring case, cursory water level monitoring piece, first U-shaped water level monitoring pipe and second U-shaped water level monitoring pipe, cursory water level monitoring piece is circular structure, and is equipped with the reflection of light subsides on the side of cursory water level monitoring piece, be equipped with signal transmission pole one and signal transmission pole two on the top of early warning rainfall monitoring case, the circumference of cursory water level monitoring piece is spike portion shape, the port department of first U-shaped water level monitoring pipe and second U-shaped water level monitoring pipe is equipped with the network grid.
The top of early warning rainfall monitoring case is equipped with and overflows the structure, the middle part that overflows the structure is the recess, and the both sides of recess are equipped with the drainage groove, it divide into the equal tapering of quartering to overflow the structure, the detection moisture content of first U-shaped water content monitoring pipe is less than the moisture content of second U-shaped water content monitoring pipe.
The water level sensor comprises a storage battery, an instruction sending device and an instruction receiving device, wherein the storage battery, the instruction sending device and the instruction receiving device are arranged in a first U-shaped water level monitoring pipe and a second U-shaped water level monitoring pipe, a data processing module is arranged above the storage battery, and the data processing module is connected with a water level sensor.
The system is characterized by further comprising a client side matched with the early warning device body, wherein a transmitting and receiving device is arranged on the top of the early warning rainfall monitoring box, and the transmitting and receiving device is connected with the client side through a data network.
The storage battery, the instruction sending device and the instruction receiving device are electrically connected, and a transparent rectangular observation window is arranged on the side wall of the early warning rainfall monitoring box.
The invention has the following advantages:
1. According to the solar sailboard, the first filter plate is arranged between the solar sailboard and the inclined rainfall baffle, the solar sailboard is V-shaped, when rainwater is collected, magazines and large particle dust in air can be blocked under the action of the first filter plate when a strong wind weather is met, the first filter plate is prevented from entering, the second filter plate is arranged at the upper part of the early warning device body, the diameter of a mesh hole on the second filter plate is smaller than that of a mesh hole on the first filter plate, and the first filter plate and the second filter plate are arranged to enable rainfall detection to be more accurate.
2. The first bottom plate and the second bottom plate can be fixed at the bottom of the river bed, and when the bottom of the river bed is mucky soil, the second bottom plate can be buried at the bottom of the river bed; and can the joint have fixed iron plate between bottom plate one and the bottom plate two, and guaranteed the stability between bottom plate one and the bottom plate two through bolted connection between bottom plate one and the bottom plate two, also prevented the disturbance that rivers caused the device.
3. The early warning device comprises an early warning device body, wherein a transmitting device is arranged in the early warning device body, and a first U-shaped water quantity monitoring pipe and a second U-shaped water quantity monitoring pipe are arranged in the early warning device body; the rainfall monitored by the first U-shaped water quantity monitoring pipe and the second U-shaped water quantity monitoring pipe is completely different, so that the monitoring of rainfall in different flow domains is met, the floating blocks arranged inside the first U-shaped water quantity monitoring pipe and the second U-shaped water quantity monitoring pipe are ensured, the monitoring of water level can be carried out at any time, and the operation of personnel is facilitated.
4. The storage battery, the data processing module and the data receiving module are arranged in the early warning device body, the first U-shaped water quantity monitoring pipe and the second U-shaped water quantity monitoring pipe are provided with scale marks, and the transparent glass observation window is arranged on the shell of the device body, so that workers can observe the water level condition in the device more conveniently.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the top of the early warning rain monitoring box according to the present invention;
FIG. 3 is a schematic diagram of the structure of the inside of the early warning rain monitoring box in the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 1 at A;
FIG. 5 is an enlarged partial schematic view at B in FIG. 1;
FIG. 6 is an enlarged partial schematic view of FIG. 1 at C;
fig. 7 is a partially enlarged schematic view of fig. 3D.
In the figure, a device body 1, an early warning device 2, a first bottom plate 3, a second bottom plate 4, a blind hole thread 5, a through hole thread 6, a bolt 7, a fixing pile 8, an anti-seepage groove 9, a seepage part 11, a structural surface 12, a supporting rod 13, a fixing section one 14, a fixing section two 15, a connecting rod 16, an early warning rainfall monitoring box 17, a solar sailboard 18, a baffle 19, a first inclined rainfall baffle 20, a second inclined rainfall baffle 21, a first filter plate 22, a second filter plate 23, a first structure 24, a second structure 25, a shielding device 26, a fixing cylinder 27, an elastic rod 28, a sealing part 29, a first U-shaped water volume monitoring pipe 30, a second U-shaped water volume monitoring pipe 31, a water level sensor 32, a float water level monitoring block 33, a water level overflow device 34, a scale line 35, an overflow pipe orifice 36, a fixing block 37, a fixing block 38, a rope 39, a reflective sticker 40, a signal transmitting transmission rod one 41, a signal transmitting transmission rod two 42, an overflow structure 43, a groove 44, a drainage groove 45, a storage battery 46, an instruction transmitting device 47, an instruction receiving device 48, and a rectangular observation window 49.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
As shown in fig. 1-7, the device comprises a device body 1, wherein the device body 1 comprises an early warning device 2, a first bottom plate 3 and a second bottom plate 4, the first bottom plate 3 is arranged above the second bottom plate 4, blind hole threads 5 are arranged below the second bottom plate 4, through hole threads 6 are arranged on the first bottom plate 3, the through hole threads 6 and the blind hole threads 5 are fixedly connected through bolts 7, a fixed pile 8 is arranged at the bottom of the second bottom plate 4, an anti-leakage groove 9 is arranged between two adjacent blind hole threads on the second bottom plate 4, and the anti-leakage groove 9 is of a structure with low middle and high two ends; the provision of the impermeable groove 9 prevents the corrosion of the screw or the metal sheet by moisture.
The middle part of the anti-leakage groove 9 is provided with a leakage part 11, the leakage part 11 is of a cylindrical structure, the bottom of the fixed pile 8 is provided with a spike part, the spike part ensures that the second bottom plate 4 can be stably fixed at the bottom of a riverbed, the anti-leakage groove 9 is provided with an outwards inclined structural surface 12, the first bottom plate 3 is provided with a detachable support rod 13, the support rod 13 comprises a first fixed section 14 fixed on the first bottom plate 3 and a second fixed section 15 fixed at the bottom of the early warning device 2, at least one connecting rod 16 which can be detached at will is arranged between the first fixed section 14 and the second fixed section 15, the early warning device 2 comprises an early warning rain monitoring box 17 and a solar sailboard 18 arranged at the upper part of the early warning rain monitoring box 17, the width of the solar sailboard 18 is larger than that of the early warning rain monitoring box 17, the solar sailboard 18 both ends all are equipped with baffle 19, have guaranteed the splash of rainwater to the outside, be equipped with the slope rain baffle on the top of early warning rain monitoring case 17, the slope rain baffle is equipped with first slope rain baffle 20 and second slope rain baffle 21, be equipped with filter plate one 22 between first slope rain baffle 20 and second slope rain baffle 21 and the solar sailboard 18, the top of early warning rain monitoring case 17 is equipped with two filter plates two 23, the filtration pore diameter on the filter plate one 22 is greater than the filtration pore diameter on the filter plate two 23, two filter plates two 23 are located the running water face bottom of first slope rain baffle 20 and second slope rain baffle 21 respectively, the inside of early warning rain monitoring case 17 is equipped with first structure 24 and second structure 25.
The first structure 24 and the second structure 25 have the same internal volume, the first inclined rain baffle 20 and the second inclined rain baffle 21 have V-shaped structures, the length of the connection part with the solar sailboard 18 is greater than that of the connection part with the early warning rain monitoring box 17, and a rotatable shielding device 26 is arranged beside the first filter plate 22 and the second filter plate 23.
The shielding device 26 comprises a fixed cylinder 27 fixed at the top of the early warning rainfall monitoring box 17, a rotatable elastic rod 28 is arranged on the fixed cylinder 27, a sealing component 29 is arranged below the bottom of the elastic rod 28, the sealing component 29 ensures that the sealing or switching can be freely carried out in the using process, and the area of the sealing component 29 is larger than that of the second filter plate 23.
The inside of first structure 24 and second structure 25 is equipped with first U-shaped water yield monitoring pipe 30 and second U-shaped water yield monitoring pipe 31 respectively, the volume of the monitoring rainfall of second U-shaped water yield monitoring pipe 31 is greater than first U-shaped water yield monitoring pipe 30 volume, the inside of first U-shaped water yield monitoring pipe 30 and second U-shaped water yield monitoring pipe 31 all is equipped with water level sensor 32 and cursory water level monitoring piece 33.
The water level overflow device 34 is arranged between the first U-shaped water quantity monitoring pipe 30 and the second U-shaped water quantity monitoring pipe 31, scale marks 35 and overflow pipe orifices 36 are arranged on the water level overflow device 34 and the second U-shaped water quantity monitoring pipe 31, fixing blocks 37 which are integrally formed are arranged on the side walls of the first U-shaped water quantity monitoring pipe and the second U-shaped water quantity monitoring pipe 30 and the second U-shaped water quantity monitoring pipe 31, and telescopic ropes 39 are arranged between the fixing blocks 38 and the floating water level monitoring blocks 33.
The float water level monitoring block 33 is of a circular structure, a reflective patch 40 is arranged on the side face of the float water level monitoring block 33, a first signal transmission rod 41 and a second signal transmission rod 42 are arranged on the top of the early warning rainfall monitoring box 17, the circumference of the float water level monitoring block 33 is in a spike shape, and network grids are arranged at the ports of the first U-shaped water level monitoring pipe 30 and the second U-shaped water level monitoring pipe 31.
The top of early warning rainfall monitoring case 17 is equipped with overflows structure 43, overflow structure 43's middle part is recess 44, and the both sides of recess 44 are equipped with drainage groove 45, overflow structure 43 divide into the same tapering of quartering, the water content of detection of first U-shaped water yield monitoring pipe 30 is less than the water content of second U-shaped water yield monitoring pipe 31.
The water level sensor comprises a storage battery 46, an instruction sending device 47 and an instruction receiving device 48 which are arranged in a first U-shaped water level monitoring pipe 30 and a second U-shaped water level monitoring pipe 31, wherein a data processing module 49 is arranged above the storage battery 46, and the data processing module 49 is connected with the water level sensor 32.
The device also comprises a client which is matched with the device body 1, wherein a transmitting and receiving device is arranged on the top of the early warning rainfall monitoring box 17, and the transmitting and receiving device is connected with the client through a data network.
The storage battery 46, the instruction sending device 47 and the instruction receiving device 48 are electrically connected, and a transparent rectangular observation window 49 is arranged on the side wall of the early warning rainfall monitoring box 17.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a medium and small river basin face rainfall early warning device which characterized in that: the device comprises a device body, wherein the device body comprises an early warning device, a first bottom plate and a second bottom plate, the first bottom plate is arranged above the second bottom plate, blind hole threads are arranged below the second bottom plate, through hole threads are arranged on the first bottom plate, the through hole threads and the blind hole threads are fixedly connected through bolts, a fixing pile is arranged at the bottom of the second bottom plate, an anti-leakage groove is arranged between two adjacent blind hole threads on the second bottom plate, and the anti-leakage groove is of a structure with low middle and high two ends;
The middle part of the anti-seepage groove is provided with a seepage part which is of a cylindrical structure, the bottom of the fixing pile is provided with a spike part, the side of the anti-seepage groove is provided with an outwards inclined structural surface, the bottom plate I is provided with a detachable support rod, the support rod comprises a fixing section I fixed on the bottom plate I and a fixing section II fixed at the bottom of the early warning device, at least one connecting rod which can be detached at will is arranged between the fixing section I and the fixing section II, the early warning device comprises an early warning rainfall monitoring box and a solar sailboard arranged at the upper part of the early warning rainfall monitoring box, the width of the solar sailboard is larger than that of the early warning rainfall monitoring box, the solar energy rain monitoring system comprises a solar sailboard, wherein two ends of the solar sailboard are respectively provided with a baffle, the top of the early warning rain monitoring box is provided with an inclined rain baffle, the inclined rain baffle is provided with a first inclined rain baffle and a second inclined rain baffle, a first filter plate is arranged between the first inclined rain baffle and the solar sailboard, the second inclined rain baffle and the solar sailboard, the top of the early warning rain monitoring box is provided with two second filter plates, the diameter of a filter hole on the first filter plate is larger than that of a filter hole on the second filter plate, the two second filter plates are respectively positioned at the bottom of a running water surface of the first inclined rain baffle and the bottom of the second inclined rain baffle, and a first structure and a second structure are arranged in the early warning rain monitoring box;
The first structure and the second structure are internally provided with a first U-shaped water quantity monitoring pipe and a second U-shaped water quantity monitoring pipe respectively, the volume of the second U-shaped water quantity monitoring pipe for monitoring rainfall is larger than that of the first U-shaped water quantity monitoring pipe, and the first U-shaped water quantity monitoring pipe and the second U-shaped water quantity monitoring pipe are internally provided with a water level sensor and a float water level monitoring block;
Be equipped with the water level and spill over the device between first U-shaped water yield monitor pipe and the second U-shaped water yield monitor pipe, be equipped with the scale mark on water level and spill over the mouth of pipe on water level spill over the device and the second U-shaped water yield monitor pipe, be provided with integrated into one piece's fixed block on the lateral wall of first U-shaped water yield monitor pipe and the second U-shaped water yield monitor pipe, be equipped with telescopic rope between fixed block and the showy water level monitor block.
2. The medium and small watershed surface rainfall early warning device according to claim 1, wherein: the first structure is the same with the volume size of the inside of the second structure, the first inclined rainfall baffle and the second inclined rainfall baffle are of V-shaped structures, the length of the joint of the first inclined rainfall baffle and the solar sailboard is greater than that of the joint of the first inclined rainfall baffle and the solar sailboard, and rotatable shielding devices are arranged beside the first filter board and the second filter board.
3. The medium and small watershed surface rainfall early warning device according to claim 2, wherein: the shielding device comprises a fixed cylinder fixed at the top of the early warning rainfall monitoring box body, a rotatable elastic rod is arranged on the fixed cylinder, a sealing component is arranged below the bottom of the elastic rod, and the area of the sealing component is larger than that of the second filter plate.
4. The medium and small watershed surface rainfall early warning device according to claim 1, wherein: the utility model discloses a water level monitoring system, including cursory water level monitoring piece, early warning rainfall monitoring case, cursory water level monitoring piece, first U-shaped water level monitoring pipe and second U-shaped water level monitoring pipe, cursory water level monitoring piece is circular structure, and is equipped with the reflection of light subsides on the side of cursory water level monitoring piece, be equipped with signal transmission pole one and signal transmission pole two on the top of early warning rainfall monitoring case, the circumference of cursory water level monitoring piece is spike portion shape, the port department of first U-shaped water level monitoring pipe and second U-shaped water level monitoring pipe is equipped with the network grid.
5. The medium and small watershed surface rainfall early warning device according to claim 1, wherein: the top of early warning rainfall monitoring case is equipped with and overflows the structure, the middle part that overflows the structure is the recess, and the both sides of recess are equipped with the drainage groove, it divide into the equal tapering of quartering to overflow the structure, the detection moisture content of first U-shaped water content monitoring pipe is less than the moisture content of second U-shaped water content monitoring pipe.
6. The early warning system of the medium and small watershed surface rainfall early warning device according to any one of claims 1 to 5, wherein: the water level sensor comprises a storage battery, an instruction sending device and an instruction receiving device, wherein the storage battery, the instruction sending device and the instruction receiving device are arranged in a first U-shaped water level monitoring pipe and a second U-shaped water level monitoring pipe, a data processing module is arranged above the storage battery, and the data processing module is connected with a water level sensor.
7. The early warning system of the medium and small river basin surface rainfall early warning device according to claim 6, wherein: the system is characterized by further comprising a client side matched with the early warning device body, wherein a transmitting and receiving device is arranged on the top of the early warning rainfall monitoring box, and the transmitting and receiving device is connected with the client side through a data network.
8. The early warning system of the medium and small river basin surface rainfall early warning device according to claim 7, wherein: the storage battery, the instruction sending device and the instruction receiving device are electrically connected, and a transparent rectangular observation window is arranged on the side wall of the early warning rainfall monitoring box.
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| CN202110849142.5A CN113820757B (en) | 2021-07-27 | 2021-07-27 | Early warning device and early warning system for rainfall of medium and small watershed surfaces |
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| CN202110849142.5A CN113820757B (en) | 2021-07-27 | 2021-07-27 | Early warning device and early warning system for rainfall of medium and small watershed surfaces |
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| CN113820757A (en) | 2021-12-21 |
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