CN211402354U - Multifunctional sensing device for detecting bearing capacity of water resource - Google Patents
Multifunctional sensing device for detecting bearing capacity of water resource Download PDFInfo
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- CN211402354U CN211402354U CN201922220293.5U CN201922220293U CN211402354U CN 211402354 U CN211402354 U CN 211402354U CN 201922220293 U CN201922220293 U CN 201922220293U CN 211402354 U CN211402354 U CN 211402354U
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Abstract
The utility model discloses a detect multi-functional sensing device of water resource bearing capacity, be fixed with many spaced water level and infiltration sensing device in its shell inner support. There are lower shell and upper shell on water level and infiltration sensing device base, have humidity transducer on the lateral surface of upper shell. The lower shell and the upper shell are internally provided with a working capsule sleeve and a modulating capsule sleeve, and the working capsule sleeve and the modulating capsule sleeve are internally provided with water filling cavities. The gear lever at the top of the modulation capsule sleeve penetrates out of the gear lever seat of the diaphragm plate and is meshed with a driving wheel of the gear set, and a minimum driven wheel of the gear set is a modulation wheel. The wheel surface of the modulation wheel is provided with a magnet, and the vertical plate is provided with a first Hall element and a second Hall element, so that the device can be used for testing the ground water level, the underground water seepage and the underground soil dryness and humidity, and is an advanced device for detecting the bearing capacity of water resources.
Description
Technical Field
The utility model relates to a water environment water resource technical field especially relates to a detect multi-functional sensing device of water resource bearing capacity.
Background
At present, generally, a float type, elastic type and electric type water level sensors are adopted to test the ground or underground water level, resistance type and capacitance type humidity sensors are adopted to test the humidity in the air, and an electrolytic polarization type seepage sensor is adopted to test the seepage of water in soil, because the bearing capacity of water resources needs to be detected in the underground of a monitoring point, the changes of the water level, the seepage and the humidity are detected simultaneously, the common water level, humidity and seepage sensors are difficult to be combined together for detection due to the limitation of construction conditions, and the requirements of high precision, large measuring range and suitability for underground or underwater environment work can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to compensate prior art's defect, provides a detect multi-functional sensing device of water resource bearing capacity, is in the same place level sensor, infiltration sensor and humidity transducer combination to adopt not co-altitude to set up the mode that the sensor carries out continuous test, with the requirement that satisfies detection water bearing capacity such as high accuracy, wide range, high integration, simple structure, simple to operate.
The utility model discloses a realize through following technical scheme:
the utility model discloses a detect multi-functional sensing device of water resource bearing capacity's structural feature lies in: the multifunctional sensing device is provided with a shell in a vertical round tube shape, a plurality of water level and water seepage sensing devices are fixed in the shell at intervals, the lowest water level and water seepage sensing device is positioned at the bottom of the shell, and the highest water level and water seepage sensing device is positioned on the ground. The lower part of the shell is buried under the ground of a monitoring point, the wall of the lower shell is provided with water through holes which are arranged at equal intervals, the lower shell is lined with a water filtering net, and gravel is enclosed on the outer side surface of the lower shell and the bottom end of the shell. The top in the shell is provided with a positioning ring, and the inner side surface of the positioning ring is provided with three vertical semicircular grooves with equal distance. And the top of the shell is provided with an interface communicated with the atmosphere and a control box, and the top surface of the control box is provided with a photovoltaic panel and an antenna.
The bottom end of the support is provided with a positioning ring, the top end of the support is provided with a top ring frame, a first cable pipe, a second cable pipe and a vent pipe which are distributed at equal intervals are connected between the positioning ring at the bottom end and the top ring frame, and a plurality of positioning rings are further distributed on the first cable pipe, the second cable pipe and the vent pipe. The outer diameter of the top ring frame is larger than the inner diameter of the positioning ring, the top ring frame is located on the top surface of the positioning ring, and the first cable pipe, the second cable pipe and the vent pipe are respectively embedded in the three semicircular grooves of the positioning ring. The first cable pipe is connected with all the first cable interfaces, the second cable pipe is connected with all the second cable interfaces, and the vent pipe is communicated with all the vent interfaces.
The base of the water level and water seepage sensing device is provided with a lower shell, the lower shell is in a cylindrical shape, and the shell wall of the lower shell is provided with water through holes which are arranged at equal intervals. The upper shell is cylindrical and has a smaller diameter than the lower shell. The middle part in the upper shell is provided with a diaphragm plate, the upper shell is provided with a top cover, and the outer side surface of the upper shell is provided with a humidity sensor. The base is in a circular plate shape, and a circle of water through holes are formed in the base. A circular working capsule sleeve is arranged in the lower shell, and an opening at the upper end of the working capsule sleeve is fixed at the upper end of the inner wall of the lower shell. The bottom surface of the working capsule sleeve is provided with a capsule support, and a spring is arranged between the capsule support and the base. The lower part of the diaphragm plate in the upper shell is provided with a circular modulation capsule sleeve, and an opening at the lower end of the modulation capsule sleeve is fixed at the lower end of the inner wall of the upper shell and is communicated with the working capsule sleeve through a central hole on the cover. The top surface of the modulation capsule sleeve is spaced from the bottom surface of the diaphragm, the top of the modulation capsule sleeve is connected with a toothed bar, and the toothed bar penetrates out of a toothed bar seat at the center of the diaphragm. The shell wall of the lower shell is provided with a water filling interface which is communicated with the working capsule sleeve, and the working capsule sleeve and the brewing capsule sleeve are internally provided with water filling cavities. Two parallel vertical plates are arranged on the transverse partition plate, a gear set is arranged between the two vertical plates, a driving wheel of the gear set is meshed with teeth on the rack bar, and a minimum driven wheel of the gear set is a modulation wheel. Three magnets are distributed on the wheel surface of the modulation wheel at equal intervals, a first Hall element and a second Hall element which are arranged side by side are arranged on the vertical plate, and gaps are reserved between the first Hall element and the second Hall element and the magnets. And a first cable interface is arranged on the wall of the upper shell, and the cables of the first Hall element and the second Hall element are led out from the first cable interface. And a ventilation interface is arranged on the shell wall of the upper shell, and a space enclosed by the outer side surface of the modulation capsule sleeve, the inner wall of the upper shell and the bottom surface of the top cover is communicated with the outside atmosphere.
The body of the humidity sensor is in a C-shaped round bar shape, the periphery of the body is smaller than the outer diameter of the lower shell, and the body is fixed on the upper shell through an omega-shaped sheet. The body is an insulator, two ends of the body are provided with electric contacts, and the body is provided with a humidity sensitive material. And a second cable interface is arranged on the upper shell, and a cable on the electric contact is led out from the second cable interface.
The use method of the sensing device specifically comprises the following steps:
(1) drilling a detection hole on the ground of a monitoring point, after backfilling gravel at the bottom of the detection hole, vertically inserting a shell of the sensing device into the detection hole, backfilling gravel between the shell and the wall of the detection hole, and mounting a positioning ring at the top in the shell.
(2) A water level and water seepage sensing device is arranged on all positioning rings of the bracket, and a humidity sensor is arranged on an upper shell of the water level and water seepage sensing device. The cable in the cable pipe I is connected with the cable interfaces I of all the water level and water seepage sensing devices, the cable in the cable pipe II is connected with the cable interfaces II of all the humidity sensors, and the air pipe in the air vent pipe is communicated with the air vent interfaces of all the water level and water seepage sensing devices.
(3) The bracket is inserted from the top of the housing and the top ring of the bracket is seated on the top of the housing.
(4) And a control box, a photovoltaic panel and an antenna are arranged at the top end of the shell, cables in the first cable pipe and the second cable pipe are led into the control box, and the vent pipe is communicated with an interface of the top of the shell, which is communicated with the atmosphere. When the water level is higher than the ground, the water level and seepage sensing device positioned on the ground outputs a test signal of the ground water level under the control of the control box, and other water level and seepage sensing devices and the humidity sensor do not output test signals; when the water level drops to be lower than the ground height, the water level and the water seepage sensing device which are lower than and close to the water level output a test signal of the water level, the water level and the water seepage sensing device which are higher than the water level output a test signal of the water seepage rate, the humidity sensor which is higher than the water level outputs a test signal of the soil humidity, and other water level and water seepage sensing devices and humidity sensors do not output test signals.
(5) After the monitoring device is debugged, the water bearing capacity of the water resource can be detected.
The utility model relates to a detect multi-functional sensing device running state of water resource bearing capacity: when the water level rises, the ground water level or the underground water level is higher than the water level in the shell, water flows into the shell from a sand clearance through the water through holes and the water filtering net, the water level and the water seepage sensing device and the humidity sensor are submerged, the water flows into the lower shell through the water through holes to surround the working capsule sleeve, the working capsule sleeve is compressed and reduced under the action of water pressure, the water in the working capsule sleeve is extruded into the modulation capsule sleeve, the modulation capsule sleeve is stretched along the inner wall of the upper shell, the rack on the modulation capsule sleeve moves upwards, the driving wheel of the rack transmission gear set rotates clockwise under the acceleration of the gear set, the magnet on the modulation wheel switches the magnetic line of the first Hall element, then the magnetic line of the second Hall element, and the first Hall element and the second Hall element output signals of rising of the water level; because the humidity sensor is submerged by water, the humidity sensor has no signal output. When the water level is lowered, the water level in the shell is higher than the underground water level, water in the shell permeates into the ground from the water filtering net, the water through holes and sand, then the water flows into the shell from the lower shell through the water through holes, the modulation capsule sleeve retracts along the inner wall of the upper shell under the action of atmospheric pressure and gravity, the water in the modulation capsule sleeve is extruded into the working capsule sleeve, the toothed rod on the modulation capsule sleeve moves downwards, the toothed rod drives the driving wheel of the gear set to accelerate the modulation wheel to rotate anticlockwise, the magnet on the modulation wheel switches the magnetic force lines of the Hall element II firstly and then switches the magnetic force lines of the Hall element I, and the Hall element I and the Hall element II output signals of water level lowering; in addition, the speed of the magnetic force lines of the first Hall element and the second Hall element is switched by the magnet on the modulation wheel, and the speed is the speed of underground water level change or the speed of underground water infiltration. When the humidity sensor is submerged by water, the humidity sensor does not output signals; when the humidity sensor is not submerged, the humidity sensor outputs a signal of the underground humidity.
Compared with the prior art, the utility model discloses beneficial effect embodies:
the utility model has a plurality of functions of detecting different soil seepage rates and soil humidity of ground water level, underground sandy soil or cohesive soil and the like; a plurality of high-precision water level and water seepage sensing devices are arranged at different underground heights, and the plurality of water level and water seepage sensing devices are connected in series, so that the problem of high precision and large-range detection is solved; the water level sensor, the water seepage sensor and the humidity sensor are integrated together, so that the structure of the sensing device is optimized; the repeated sensor is synthesized by the water contained in the working capsule sleeve and the modulating capsule sleeve, and is suitable for outputting stable signals when the soil water seepage lasts. The device has the comprehensive technical effects of high precision, large measuring range, simple structure, high integration level, reliable work, small volume, simple and convenient installation, automatic control, wireless transmission of test data, self-power supply and the like, and is suitable for detecting the bearing capacity of regional water resources such as plains, mountainous regions, hills, lakes, wetlands, mudflats, cities, villages and the like.
Drawings
Fig. 1 is a schematic layout diagram of the present invention.
Fig. 2 is the schematic view of the top ring frame of the present invention showing a cross-sectional structure.
Fig. 3 is the utility model discloses position circle department sectional structure schematic diagram of bowing.
Fig. 4 is the utility model discloses a water level and infiltration sensing device mounting structure schematic diagram.
Detailed Description
As shown in fig. 1, 2, 3, and 4, a multifunctional sensing device for detecting water bearing capacity in this embodiment has a structural form: the multifunctional sensing device is provided with a shell 26 which is vertically provided with a round tube shape, a plurality of water level and water seepage sensing devices 1 which are arranged at intervals are fixed in the shell 26, the lowest water level and water seepage sensing device 1 is positioned at the bottom of the shell, and the highest water level and water seepage sensing device 1 is positioned on the ground 31. The lower part of the shell 26 is buried in the ground of a monitoring point, the wall of the lower shell 26 is provided with water through holes which are arranged at equal intervals, the lower shell 26 is lined with a water filtering net 27, and gravel 27 is enclosed on the outer side surface of the lower shell 26 and the bottom end of the shell 26. There is a locating ring on the top in the shell 26, and there are three vertical semicircular grooves with equal distance on the inner side of the locating ring. On top of the housing 26 there is an interface to the atmosphere and a control box 28, on top of which control box 28 there is a photovoltaic panel 29 and an antenna. The bottom end of the support is provided with a positioning ring 21, the top end of the support is provided with a top ring frame 25, a first cable pipe 22, a second cable pipe 23 and a vent pipe 24 which are distributed at equal intervals are connected between the positioning ring at the bottom end and the top ring frame 25, and a plurality of positioning rings are further distributed on the first cable pipe, the second cable pipe and the vent pipe. The outer diameter of the top ring frame 25 is larger than the inner diameter of the positioning ring, the top ring frame 25 is located on the top surface of the positioning ring, and the first cable pipe 22, the second cable pipe 23 and the vent pipe 24 are respectively embedded in the three semicircular grooves of the positioning ring. The first cable pipe 22 is connected with all the first cable ports, the second cable pipe 23 is connected with all the second cable ports, and the vent pipe 24 is communicated with all the vent ports.
A lower housing 3 is installed on the base 2 of the water level and water seepage sensing apparatus 1, the lower housing 3 is cylindrical, and water through holes are equidistantly arranged on the housing wall of the lower housing 3. A cap 4 is provided at an upper end of the lower case 3, an upper case 6 is provided on a top surface of the cap 4, the upper case 6 has a cylindrical shape, and the diameter of the upper case 6 is smaller than that of the lower case 3. A diaphragm 5 is arranged in the middle of the upper shell 6, a top cover 7 is arranged on the upper shell 6, and a humidity sensor 20 is arranged on the outer side surface of the upper shell 6. The base 2 is in a circular plate shape, and a circle of water through holes are formed in the base 2. A circular working capsule sleeve 8 is arranged in the lower shell 3, and an opening at the upper end of the working capsule sleeve 8 is fixed at the upper end of the inner wall of the lower shell 3. A capsule support 9 is arranged on the bottom surface of the working capsule sleeve 8, and a spring 10 is arranged between the capsule support 9 and the base 2. A circular brewing capsule sleeve 11 is arranged at the lower part of the diaphragm plate 5 in the upper shell 6, and an opening at the lower end of the brewing capsule sleeve 11 is fixed at the lower end of the inner wall of the upper shell 6 and is communicated with the working capsule sleeve 8 through a central hole on the cover 4. The top surface of the modulation capsule sleeve 11 is spaced from the bottom surface of the diaphragm plate 5, the top of the modulation capsule sleeve 11 is connected with a toothed bar 12, and the toothed bar 12 penetrates out of a toothed bar seat 13 at the center of the diaphragm plate 5. A water filling interface is arranged on the shell wall of the lower shell 3 and is communicated with the working capsule sleeve 8, and water filling cavities are arranged in the working capsule sleeve 8 and the modulation capsule sleeve 11. Two parallel vertical plates 14 are arranged on the diaphragm plate 5, a gear set 15 is arranged between the two vertical plates 14, a driving wheel of the gear set 15 is meshed with teeth on the toothed bar 12, and a minimum driven wheel of the gear set 15 is a modulation wheel 16. Three magnets 17 are equidistantly distributed on the wheel surface of the modulation wheel 16, a first hall element 18 and a second hall element 19 are arranged on the vertical plate 14 side by side, and a gap is reserved between the first hall element 18 and the second hall element 19 and the magnets 17. A first cable interface is arranged on the wall of the upper shell 6, and a cable of the first hall element 18 and a cable of the second hall element 19 are led out from the first cable interface. The shell wall of the upper shell 6 is provided with a ventilation interface, and the space enclosed by the outer side surface of the modulation capsule sleeve 11, the inner wall of the upper shell 6 and the bottom surface of the top cover 7 is communicated with the outside atmosphere. The body of the humidity sensor 20 is in the shape of a C-shaped round bar, the periphery of the body is smaller than the outer diameter of the lower shell 3, and the body is fixed on the upper shell 6 by an omega-shaped sheet. The body is an insulator, two ends of the body are provided with electric contacts, and the body is provided with a humidity sensitive material. And a second cable interface is arranged on the upper shell 6, and a cable on the electric contact is led out from the second cable interface.
The use method of the sensing device specifically comprises the following steps:
(1) a detection hole is drilled on the ground 31 of a monitoring point, after the bottom of the detection hole is filled with gravel 30, the shell 26 of the sensing device is vertically inserted into the detection hole, the gravel 30 is filled between the shell 26 and the wall of the detection hole, and a positioning ring is arranged at the top in the shell 26.
(2) The water level and water seepage sensing device 1 is firstly arranged on all the positioning rings 21 of the bracket, and then the humidity sensor 20 is arranged on the upper shell 6 of the water level and water seepage sensing device 1. And connecting the cable in the cable pipe I with the cable interfaces I of all the water level and water seepage sensing devices 1, connecting the cable in the cable pipe II with the cable interfaces II of all the humidity sensors 20, and communicating the air pipe in the ventilation pipe with the ventilation interfaces of all the water level and water seepage sensing devices 1.
(3) The bracket is inserted from the top of the housing 26 and the top rim 25 of the bracket is seated on top of the housing 26.
(4) A control box 28, a photovoltaic panel 29 and an antenna are arranged at the top end of the shell 26, cables in the first cable pipe 22 and the second cable pipe 23 are led into the control box 28, and the vent pipe 24 is communicated with an interface of the top of the shell 26 to atmosphere. When the water level line 32 on the ground exists, namely the water level is higher than the ground 31, the water level and seepage sensing device 1 at the ground 31 outputs a test signal of the water level of the ground 31 under the control of the control box, and other water level and seepage sensing devices 1 and the humidity sensor 20 do not output test signals; when the water level drops to a height lower than the ground 31, under the control of the control box, the water level and water seepage sensing device 1 lower than and close to the underground water line 33 outputs a test signal of the water level, the water level and water seepage sensing device 1 higher than the underground water line 33 outputs a test signal of the water seepage rate, the humidity sensor 20 higher than the underground water line 33 outputs a test signal of the soil humidity, and other water level and water seepage sensing devices 1 and 20 do not output test signals.
(5) After the monitoring device is debugged, the water bearing capacity of the water resource can be detected.
The multifunctional sensing device for detecting the water bearing capacity strength of the embodiment is in an operating state: when the water level rises, the ground water level or the underground water level is higher than the water level in the shell 26, water flows into the shell 26 from the clearance of the gravel 30 through the water through holes and the water filtering net 27, submerges the water level and water seepage sensing device 1 and the humidity sensor 20, flows into the lower shell 3 through the water through holes to surround the working capsule sleeve 8, under the action of water pressure, the working capsule sleeve 8 is compressed and reduced, water in the working capsule sleeve 8 is extruded into the modulation capsule sleeve 11, the modulation capsule sleeve 11 is stretched along the inner wall of the upper shell 6, the toothed bar 12 on the modulation capsule sleeve 8 moves upwards, the toothed bar 12 drives the driving wheel of the gear set 15, the modulation wheel 16 rotates clockwise after the acceleration of the gear set 15, the magnet 17 on the modulation wheel 16 switches the magnetic force line of the first Hall element 18 firstly and then switches the magnetic force line of the second Hall element 19, and the first Hall element 18 and the second Hall element 19 output signals of water level rising; since the humidity sensor 20 is submerged by water, the humidity sensor 20 does not output a signal. When the water level is lowered, the water level in the shell 26 is higher than the underground water level, water in the shell 26 permeates into the ground from the water filtering net 27, the water through holes and the sand 30, then the water flows into the shell 26 from the lower shell 3 through the water through holes, the modulation capsule sleeve 11 retracts along the inner wall of the upper shell 6 under the action of atmospheric pressure and gravity, the water in the modulation capsule sleeve 11 is squeezed into the working capsule sleeve 8, the rack bar 12 on the modulation capsule sleeve 11 moves downwards, the rack bar 12 transmits a driving wheel of the gear set 15, the modulation wheel 16 rotates anticlockwise through the acceleration of the gear set 15, the magnet 17 on the modulation wheel 16 firstly switches the second hall element 19, then the magnetic line of force of the first hall element 18 is switched, and the first hall element 18 and the second hall element 19 output signals of water level lowering; when the humidity sensor 20 is submerged, no signal is output from the humidity sensor 20; in addition, the magnet 17 on the modulation wheel 16 switches the speed of the magnetic force lines of the first Hall element 18 and the second Hall element 19 to be the speed of underground water level change or the speed of underground water infiltration. When humidity sensor 20 is not submerged, humidity sensor 20 outputs a signal of the underground humidity.
Claims (7)
1. The utility model provides a detect multi-functional sensing device of water resource bearing capacity which characterized in that: the water level and the infiltration sensing device at the lowest position are located at the bottom of the shell, the water level and the infiltration sensing device at the highest position are flush with the ground, a first water through hole is formed in the wall of the lower portion of the shell, and an atmosphere communication interface and a control box are arranged at the top of the shell.
2. The multifunctional sensing device for detecting the bearing capacity of water resources as claimed in claim 1, wherein: the inner wall of the shell is provided with a water filtering net.
3. The multifunctional sensing device for detecting the bearing capacity of water resources as claimed in claim 1, wherein: the water level and water seepage sensing device comprises a lower end base, a lower shell is fixedly arranged on the base, a water through hole II is formed in the shell wall of the lower shell, a cover with a central hole is fixed at the top end of the lower shell, an upper shell is fixed on the cover, the inner diameter of the upper shell is equal to the inner diameter of the cover and smaller than the inner diameter of the lower shell, a plurality of water through holes III are formed in the bottom plate of the lower shell, an elastic resetting device is fixed on the inner side of the bottom plate of the lower shell, a capsule support is fixed at the upper end of the elastic resetting device, a working capsule sleeve with an opening at the upper end is fixed on the upper surface of the capsule support, the upper end of the working capsule sleeve is fixed on the inner wall of the upper end of the lower shell, a transverse partition plate is arranged in the middle of the upper shell, a humidity sensor is arranged on the outer side surface of the upper shell, a modulation capsule sleeve, the working capsule sleeve is communicated with the modulation capsule sleeve through a center hole of the cover, a space is reserved between the upper end of the modulation capsule sleeve and the lower surface of the transverse partition plate, a toothed bar is connected to the top of the modulation capsule sleeve and penetrates out of a toothed bar seat in the center of the transverse partition plate, a water filling interface is arranged on the shell wall of the lower shell and is communicated with the working capsule sleeve, two parallel vertical plates are arranged on the transverse partition plate, a gear set is arranged between the two vertical plates, a driving wheel of the gear set is meshed with the toothed bar, a plurality of magnets are arranged on the wheel surface of a driven wheel of the gear set, a first Hall element and a second Hall element are arranged on the vertical plates in parallel, and gaps are reserved between the first Hall element and the second Hall element and the magnets.
4. The multifunctional sensor device for detecting the bearing capacity of water resources as claimed in claim 3, wherein: a bracket is arranged in the shell and comprises a first cable pipe, a second cable pipe and a vent pipe, the water level and water seepage sensing devices are respectively fixed on the bracket through a plurality of positioning rings, the water level and water seepage sensing devices are arranged at intervals up and down, the vent pipe is communicated with the atmosphere communication interface, a first cable interface, a second cable interface and a ventilation interface are arranged on the shell wall of the upper shell of each water level and water seepage sensing device, the cables of the first Hall element and the second Hall element are led out from the first cable interface, the ventilating interface is communicated with the ventilating pipe, the cable of each humidity sensor is led out from the second cable interface, the cable led out from the first cable interface is connected with the cable in the first cable pipe respectively, the cable led out from the second cable interface is connected with the cable in the second cable pipe respectively, and the cables in the first cable pipe and the second cable pipe are connected with the control box.
5. The multifunctional sensor for detecting the bearing capacity of water resources as claimed in claim 4, wherein: the inner side surface of each positioning ring is provided with three equidistant vertical semicircular grooves, and the cable pipe I, the cable pipe II and the vent pipe are respectively embedded in the vertical semicircular grooves of each positioning ring.
6. The multifunctional sensor device for detecting the bearing capacity of water resources as claimed in claim 3, wherein: the humidity sensor is characterized in that the body of the humidity sensor is in a C-shaped round strip shape, the periphery of the body is smaller than the outer diameter of the lower shell, the body is fixed on the upper shell through an omega-shaped sheet, the body is an insulator, electric contacts are arranged at two ends of the body, humidity sensitive materials are arranged on the body, and cables are connected to the electric contacts.
7. The multifunctional sensing device for detecting the bearing capacity of water resources as claimed in claim 1, wherein: and a photovoltaic panel and an antenna are arranged on the top surface of the control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922220293.5U CN211402354U (en) | 2019-12-12 | 2019-12-12 | Multifunctional sensing device for detecting bearing capacity of water resource |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922220293.5U CN211402354U (en) | 2019-12-12 | 2019-12-12 | Multifunctional sensing device for detecting bearing capacity of water resource |
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| CN211402354U true CN211402354U (en) | 2020-09-01 |
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| CN201922220293.5U Active CN211402354U (en) | 2019-12-12 | 2019-12-12 | Multifunctional sensing device for detecting bearing capacity of water resource |
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