CN110044443A - A kind of hydraulic engineering reservoir level monitoring device - Google Patents
A kind of hydraulic engineering reservoir level monitoring device Download PDFInfo
- Publication number
- CN110044443A CN110044443A CN201910332765.8A CN201910332765A CN110044443A CN 110044443 A CN110044443 A CN 110044443A CN 201910332765 A CN201910332765 A CN 201910332765A CN 110044443 A CN110044443 A CN 110044443A
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- plate
- button
- level monitoring
- hydraulic engineering
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
- G01F23/66—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using mechanically actuated indicating means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a kind of hydraulic engineering reservoir level monitoring devices, including top plate, one side bottom of top plate is equipped with fixed mechanism, fixed mechanism includes support mobile jib, the bottom of support mobile jib is fixed with bottom plate, through equipped with several screw thread inserted links on bottom plate, the bottom of screw thread inserted link is tapered, the lower section of top plate is equipped with water level monitoring mechanism, water level monitoring mechanism includes L bracket, the bottom of L bracket is equipped with starting stave, starting stave is equipped with the first sliding rail, the first sliding block is slidably connected on first sliding rail, the side of first sliding block is fixedly connected with buoyant block, the side of buoyant block is connected with floating ball, connecting rod is fixedly connected at the top of buoyant block, the front end of L bracket is equipped with fixed guide sleeve, fixed guide sleeve is passed through at the top of connecting rod is connected with rack gear, bearing block is equipped with above starting stave, shaft is installed in bearing block, turn One end of axis is socketed with gear.The present invention is easy to use, has the effect of monitoring accurate, timely, water level intuitive display.
Description
Technical field
The present invention relates to hydraulic engineering technical field, specially a kind of hydraulic engineering reservoir level monitoring device.
Background technique
Hydraulic engineering is the surface water and groundwater for controlling and deploying nature, reaches and removes the evil emerging sharp purpose and build
Engineering.Also referred to as Hydraulic Projects.Water is human being's production and essential precious resources of living, but the state of its naturally occurring is simultaneously
Not in full conformity with the needs of the mankind.Hydraulic engineering is only built, just can control water flow, prevents flood, and carry out water
It adjusts and distributes, to meet people's lives and production to the needs of water resource.Hydraulic engineering needs to build dam, dike, spillway, water
Lock, water inlet, channel, the different types of hydraulic structure such as cross mortise, log chute, fish pass, to realize its target.
Reservoir be it is general be construed to " flood retention water storage and adjust water flow water conservancy structure, can use irrigate,
It generates electricity, control flood and breeds fish." it refers to the artificial lake that barrage formation is built at the narrow orifice in gully or river.Reservoir is built up
Afterwards, the effects of flood control, catchwork irrigation can be played, water supply, generate electricity, breed fish.Sometimes natural lake is also referred to as reservoir (natural storage).Water
Library scale usually presses the division of storage capacity size, is divided into small-sized, medium-sized, large-scale etc..
Reservoir monitoring system is that certain city has more medium and small reservoirs, a set of " the reservoir monitoring of water reservoir management department plan construction
System ", remotely to monitor the water level, rainfall and live image of each reservoir, for the appropriate water storage and safe flood for ensureing reservoir
Accurate, timely field data is provided.
China has all built reservoir in many places, and the water level of reservoir changes with the variation in season, thus many local water
Library is dynamic to have built Hydrologic monitoring station, for detecting reservoir, existing hydraulic engineering water level monitoring equipment exist monitoring inaccuracy,
Monitor not prompt enough, water level and show non-intuitive disadvantage, thus need to research and develop a kind of monitoring is accurate, monitoring enough in time, water level
The hydraulic engineering of intuitive display water level monitoring equipment.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of hydraulic engineering and is monitored with reservoir level
Device can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of hydraulic engineering reservoir level monitoring device,
Including top plate, a side bottom of the top plate is equipped with fixed mechanism, and the fixed mechanism includes support mobile jib, the support mobile jib
Bottom be fixed with bottom plate, through several screw thread inserted links are equipped on the bottom plate, the bottom of the screw thread inserted link is tapered, institute
The lower section for stating top plate is equipped with water level monitoring mechanism, and the water level monitoring mechanism includes L bracket, and the bottom of the L bracket is set
There is a starting stave, the starting stave is equipped with the first sliding rail, slidably connects the first sliding block on first sliding rail, and described the
The side of one sliding block is fixedly connected with buoyant block, and the side of the buoyant block is connected with floating ball, and the top of the buoyant block is fixed
It is connected with connecting rod, the front end of the L bracket is equipped with fixed guide sleeve, and the top of the connecting rod passes through the fixed guide sleeve and connects
It is connected to rack gear, the top of the starting stave is equipped with bearing block, is equipped with shaft, an end cap of the shaft in the bearing block
It is connected to gear, the gear engages connection with the rack gear, and the other end of the shaft is socketed with first bevel gear, the bearing
The side of seat is equipped with support plate, and the top of the support plate is equipped with the second riser, and second riser is equipped with the second sliding rail, institute
The side for stating the second sliding rail is equipped with screw rod, and matching is equipped with feed screw nut on the screw rod, and the lower end of the feed screw nut is socketed with
Second bevel gear, the second bevel gear engage connection with the first bevel gear, and the side of the feed screw nut is fixed with
Two sliding blocks, second sliding block are slidably connected to the surface of second sliding rail, and the other side of the feed screw nut is fixed with finger
Needle, the both side surface up and down of the pointer are respectively and fixedly provided with arc convex, and the side of the pointer is equipped with graduated scale, the support plate
Top be equipped with the first button, the bottom of the top plate is equipped with the second button, and the top of the top plate is equipped with fixed link, described solid
The top of fixed pole is equipped with indicator light, and the lower section of the indicator light is equipped with alarm device, and the two sides of the fixed link are equipped with solar energy
Solar panel, the indicator light, the alarm device, first button, second button pass through route and the solar energy
Solar panel is electrically connected.
As a preferred technical solution of the present invention, the outer sheath of the buoyant block and the floating ball is equipped with LP blades
Set.
As a preferred technical solution of the present invention, the front end of the top plate is equipped with protective frame, under the protective frame
End is connect with the fixed guide sleeve.
As a preferred technical solution of the present invention, the outside of first button is equipped with the first resilient protection mechanism,
First resilient protection mechanism includes the first brace being symmetrically set at left and right sides of first button, first brace
Top and the top plate bottom are hinged, and the first contact plate, first contact are equipped between the bottom end of two first braces
Plate connects the bottom end of first brace by spring.
As a preferred technical solution of the present invention, the outside of second button is equipped with the second resilient protection mechanism,
Second resilient protection mechanism includes the second brace being symmetrically set at left and right sides of second button, second brace
It is hinged at the top of bottom end and the support plate, the second contact plate is equipped between the top of two second braces, described second connects
Touch panel connects the bottom end of second brace by spring.
As a preferred technical solution of the present invention, the top of first contact plate and first button contacts.
As a preferred technical solution of the present invention, the bottom of second contact plate and second button contacts.
As a preferred technical solution of the present invention, the graduated scale is made of plastics.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is by setting buoyant block, floating ball, rack gear, gear, screw rod, feed screw nut, pointer and graduated scale, buoyant block and
Floating ball floats on the surface, and when water level changes, floating ball and buoyant block can drive the first sliding block to move up or down, from
And drive connecting rod and rack gear to move up, and then rotate with moving gear, and the rotation of gear band turn axis, first cone of shaft one end
Gear drive second bevel gear rotation, second bevel gear drive screw rod rotation, thus make feed screw nut vertical direction upwards or
It moves down, can drive the graduated scale scale that pointer is mobile, and pointer is directed toward is exactly current water level, can real-time display water level
Variation.
2, the present invention by setting solar panel, the first button, the second button, indicator light and alarm device, it can be achieved that
It is solar powered, energy conservation and environmental protection, when the arc convex of the top of pointer is contacted with the first contact plate and presses up the first button
When, the first button will drive alarm device and indicator light work, and thus can prompt the water level of people's reservoir is more than warning line, allow
People carry out the precautionary measures, and when pointer moves down, arc convex is contacted with the second contact plate, button and to will drive alarm
Device and indicator light work, thus can prompt the water level of people's reservoir too low, people is allowed to carry out the measure of reply, can be accurate
The warning line of people's reservoir is provided, it is very convenient effective.
Detailed description of the invention
Fig. 1 is the first structural schematic diagram of the invention；
Fig. 2 is second of structural schematic diagram of the invention；
Fig. 3 is the structural schematic diagram of the first resilient protection mechanism of the invention；
Fig. 4 is the structural schematic diagram of the second resilient protection mechanism of the invention；
Fig. 5 is the third structural schematic diagram of the invention.
In figure: 1, top plate；2, fixed mechanism；3, mobile jib is supported；4, bottom plate；5, screw thread inserted link；6, water level monitoring mechanism；7,
L bracket；8, starting stave；9, the first sliding rail；10, the first sliding block；11, buoyant block；12, floating ball；13, connecting rod；14, fixed
Guide sleeve；15, second bevel gear；16, rack gear；17, bearing block；18, shaft；19, gear；20, first bevel gear；21, support plate；
22, the second riser；23, the second sliding rail；24, screw rod；25, feed screw nut；26, the second sliding block；27, pointer；28, arc convex；
29, graduated scale；30, the first button；31, the second button；32, fixed link；33, indicator light；34, alarm device；35, solar battery
Plate；36, protective frame；37, the first brace；38, the first contact plate；39, the second brace；40, the second contact plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of hydraulic engineering reservoir level monitoring device, packet
Top plate 1 is included, a side bottom of the top plate 1 is equipped with fixed mechanism 2, and the fixed mechanism 2 includes support mobile jib 3, the support
The bottom of mobile jib 3 is fixed with bottom plate 4, runs through on the bottom plate 4 and is equipped with several screw thread inserted links 5, the bottom of the screw thread inserted link 5
Tapered, the lower section of the top plate 1 is equipped with water level monitoring mechanism 6, and the water level monitoring mechanism 6 includes L bracket 7, the L shape
The bottom of bracket 7 is equipped with starting stave 8, and the starting stave 8 is equipped with the first sliding rail 9, is slidably connected on first sliding rail 9
There is the first sliding block 10, the side of first sliding block 10 is fixedly connected with buoyant block 11, and the side of the buoyant block 11 is connected with
Floating ball 12, the top of the buoyant block 11 are fixedly connected with connecting rod 13, and the front end of the L bracket 7 is equipped with fixed guide sleeve 14,
The top of the connecting rod 13 passes through the fixed guide sleeve 14 and is connected with rack gear 16, and the top of the starting stave 8 is equipped with bearing
Seat 17, is equipped with shaft 18 in the bearing block 17, and one end of the shaft 18 is socketed with gear 19, the gear 19 with it is described
The engagement connection of rack gear 16, the other end of the shaft 18 are socketed with first bevel gear 20, and the side of the bearing block 17 is equipped with branch
Fagging 21, the top of the support plate 21 are equipped with the second riser 22, and second riser 22 is equipped with the second sliding rail 23, and described the
The side of two sliding rails 23 is equipped with screw rod 24, and matching is equipped with feed screw nut 25, the lower end of the feed screw nut 25 on the screw rod 24
It is socketed with second bevel gear 15, the second bevel gear 15 engages connection, the feed screw nut 25 with the first bevel gear 20
Side be fixed with the second sliding block 26, second sliding block 26 is slidably connected to the surface of second sliding rail 23, the screw rod
The other side of nut 25 is fixed with pointer 27, and the both side surface up and down of the pointer 27 is respectively and fixedly provided with arc convex 28, the finger
The side of needle 27 is equipped with graduated scale 29, and the top of the support plate 21 is equipped with the first button 30, and the bottom of the top plate 1 is equipped with the
Two buttons 31, the top of the top plate 1 are equipped with fixed link 32, and the top of the fixed link 32 is equipped with indicator light 33, the instruction
The lower section of lamp 33 is equipped with alarm device 34, and the two sides of the fixed link 32 are equipped with solar panel 35, the indicator light 33, institute
Alarm device 34, first button 30, second button 31 is stated electrically to connect by route and the solar panel 35
It connects.
In the present embodiment, it is preferred that the outer sheath of the buoyant block 11 and the floating ball 12 is equipped with LP blades set.
In the present embodiment, it is preferred that the front end of the top plate 1 is equipped with protective frame 36, the lower end of the protective frame 36 and institute
Fixed guide sleeve 14 is stated to connect.
In the present embodiment, it is preferred that the outside of first button 30 is equipped with the first resilient protection mechanism, first bullet
Property protection mechanism include the first brace 37 for being symmetrically set in first button, 30 left and right sides, the top of first brace 37
It is hinged with 1 bottom of top plate, the first contact plate 38, first contact are equipped between the bottom end of two first braces 37
Plate 38 connects the bottom end of first brace 37 by spring.
In the present embodiment, it is preferred that the outside of second button 31 is equipped with the second resilient protection mechanism, second bullet
Property protection mechanism include the second brace 39 for being symmetrically set in second button, 31 left and right sides, the bottom end of second brace 39
It is hinged with 1 top of support plate, the second contact plate 40 is equipped between the top of two second braces 39, described second connects
Touch panel 40 connects the bottom end of second brace 39 by spring.
In the present embodiment, it is preferred that the top of first contact plate 38 is contacted with first button 30.
In the present embodiment, it is preferred that the bottom of second contact plate 40 is contacted with second button 31.
In the present embodiment, it is preferred that the graduated scale 29 is made of plastics.
The working principle of the invention and process for using: in use, buoyant block 11 and floating ball float on the surface, when water level occurs
When variation, floating ball 12 and buoyant block 11 can drive the first sliding block 10 to move up or down, to drive connecting rod 13 and tooth
Item 16 moves up, and then rotates with moving gear 19, and gear 19 drives shaft 18 to rotate, the first bevel gear 20 of 18 one end of shaft
Drive second bevel gear 15 rotate, second bevel gear 15 drive screw rod 24 rotate, thus make feed screw nut 25 vertical direction to
It above or moves down, can drive 29 scale of graduated scale that pointer 27 is mobile, and pointer 27 is directed toward is exactly current water level, Ji Keshi
When show the variation of water level, when the arc convex 28 of the top of pointer 27 contacted with the first contact plate 38 and press up first by
When button 30, the first button 30 will drive alarm device 34 and indicator light 33 works, and the water level of people's reservoir thus can be prompted super
Warning line is crossed, people is allowed to carry out the precautionary measures, when pointer 27 moves down, arc convex is contacted with the second contact plate 40, is pressed
Button 31 simultaneously works will drive alarm device 34 and indicator light 33, thus the water level of people's reservoir can be prompted too low, allows people
Carry out the measure of reply.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of hydraulic engineering reservoir level monitoring device, including top plate (1), it is characterised in that: the side of the top plate (1)
Bottom is equipped with fixed mechanism (2), and the fixed mechanism (2) includes support mobile jib (3), and the bottom of support mobile jib (3) is fixed
Having bottom plate (4), through several screw thread inserted links (5) are equipped on the bottom plate (4), the bottom of the screw thread inserted link (5) is tapered,
The lower section of the top plate (1) is equipped with water level monitoring mechanism (6), and the water level monitoring mechanism (6) includes L bracket (7), the L
The bottom of shape bracket (7) is equipped with starting stave (8), and the starting stave (8) is equipped with the first sliding rail (9), first sliding rail
(9) it is slidably connected on the first sliding block (10), the side of first sliding block (10) is fixedly connected with buoyant block (11), the drift
The side of floating block (11) is connected with floating ball (12), is fixedly connected with connecting rod (13) at the top of the buoyant block (11), the L shape
The front end of bracket (7) is equipped with fixed guide sleeve (14), and the top of the connecting rod (13) passes through the fixed guide sleeve (14) and is connected with
The top of rack gear (16), the starting stave (8) is equipped with bearing block (17), is equipped with shaft (18) in the bearing block (17),
One end of the shaft (18) is socketed with gear (19), and the gear (19) engages connection, the shaft with the rack gear (16)
(18) the other end is socketed with first bevel gear (20), and the side of the bearing block (17) is equipped with support plate (21), the support
The top of plate (21) is equipped with the second riser (22), and second riser (22) is equipped with the second sliding rail (23), second sliding rail
(23) side is equipped with screw rod (24), and matching is equipped with feed screw nut (25) on the screw rod (24), the feed screw nut (25)
Lower end is socketed with second bevel gear (15), and the second bevel gear (15) engages connection with the first bevel gear (20), described
The side of feed screw nut (25) is fixed with the second sliding block (26), and second sliding block (26) is slidably connected to second sliding rail
(23) other side on surface, the feed screw nut (25) is fixed with pointer (27), the both side surface up and down of the pointer (27)
It is respectively and fixedly provided with arc convex (28), the side of the pointer (27) is equipped with graduated scale (29), sets at the top of the support plate (21)
Have the first button (30), the bottom of the top plate (1) is equipped with the second button (31), and the top of the top plate (1) is equipped with fixed link
(32), the top of the fixed link (32) is equipped with indicator light (33), and the lower section of the indicator light (33) is equipped with alarm device (34), institute
The two sides for stating fixed link (32) are equipped with solar panel (35), the indicator light (33), the alarm device (34), described
One button (30), second button (31) are electrically connected by route and the solar panel (35).
2. a kind of hydraulic engineering reservoir level monitoring device according to claim 1, it is characterised in that: the buoyant block
(11) and the outer sheath of the floating ball (12) is equipped with LP blades set.
3. a kind of hydraulic engineering reservoir level monitoring device according to claim 1, it is characterised in that: the top plate (1)
Front end be equipped with protective frame (36), the lower end of the protective frame (36) is connect with the fixed guide sleeve (14).
4. a kind of hydraulic engineering reservoir level monitoring device according to claim 1, it is characterised in that: first button
(30) outside is equipped with the first resilient protection mechanism, and first resilient protection mechanism includes being symmetrically set in first button
(30) the first brace (37) at left and right sides of, the top and the top plate (1) bottom of first brace (37) are hinged, two institutes
It states and is equipped with the first contact plate (38) between the bottom end of the first brace (37), first contact plate (38) passes through described in spring connection
The bottom end of first brace (37).
5. a kind of hydraulic engineering reservoir level monitoring device according to claim 1, it is characterised in that: second button
(31) outside is equipped with the second resilient protection mechanism, and second resilient protection mechanism includes being symmetrically set in second button
(31) the second brace (39) at left and right sides of, the bottom end of second brace (39) and the support plate (1) top are hinged, and two
The second contact plate (40) are equipped between the top of second brace (39), second contact plate (40) connects institute by spring
State the bottom end of the second brace (39).
6. a kind of hydraulic engineering reservoir level monitoring device according to claim 4, it is characterised in that: first contact
The top of plate (38) is contacted with first button (30).
7. a kind of hydraulic engineering reservoir level monitoring device according to claim 5, it is characterised in that: second contact
The bottom of plate (40) is contacted with second button (31).
8. a kind of hydraulic engineering reservoir level monitoring device according to claim 1, it is characterised in that: the graduated scale
(29) it is made of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332765.8A CN110044443A (en) | 2019-04-24 | 2019-04-24 | A kind of hydraulic engineering reservoir level monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332765.8A CN110044443A (en) | 2019-04-24 | 2019-04-24 | A kind of hydraulic engineering reservoir level monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110044443A true CN110044443A (en) | 2019-07-23 |
Family
ID=67278973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910332765.8A Withdrawn CN110044443A (en) | 2019-04-24 | 2019-04-24 | A kind of hydraulic engineering reservoir level monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110044443A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132376A (en) * | 2019-05-31 | 2019-08-16 | 华北水利水电大学 | Construction of hydro project level alarm for water |
| CN111649658A (en) * | 2020-06-19 | 2020-09-11 | 河海大学 | Water disaster assessment and measurement device and assessment method |
| CN111912490A (en) * | 2020-07-23 | 2020-11-10 | 乐昌市恒源水电建筑工程有限公司 | Novel water conservancy monitoring facilities |
| CN112611434A (en) * | 2020-12-10 | 2021-04-06 | 杜纪同 | Reservoir water level monitoring device for hydraulic engineering |
| CN112697504A (en) * | 2021-01-18 | 2021-04-23 | 姚宸智 | Sampling device for underground water detection |
| CN112982321A (en) * | 2021-02-07 | 2021-06-18 | 毛廷贵 | Water conservancy facility safety device |
| CN113280894A (en) * | 2021-07-05 | 2021-08-20 | 四川华能宝兴河水电有限责任公司 | Hydropower station water level alarm device and use method thereof |
| CN116086574A (en) * | 2023-03-24 | 2023-05-09 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Automatic monitoring equipment for buried depth of underground water level |
| CN116772977A (en) * | 2023-08-21 | 2023-09-19 | 黑龙江中科工程管理咨询有限公司 | Water level monitoring device for hydraulic engineering design |
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| US20160223383A1 (en) * | 2015-01-30 | 2016-08-04 | King Fahd University Of Petroleum And Minerals | Water tank notifier |
| CN107830913A (en) * | 2017-10-10 | 2018-03-23 | 江俊华 | A kind of hydraulic engineering reservoir level monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132376A (en) * | 2019-05-31 | 2019-08-16 | 华北水利水电大学 | Construction of hydro project level alarm for water |
| CN111649658A (en) * | 2020-06-19 | 2020-09-11 | 河海大学 | Water disaster assessment and measurement device and assessment method |
| CN111649658B (en) * | 2020-06-19 | 2021-06-04 | 河海大学 | Water disaster assessment and measurement device and assessment method |
| CN111912490A (en) * | 2020-07-23 | 2020-11-10 | 乐昌市恒源水电建筑工程有限公司 | Novel water conservancy monitoring facilities |
| CN111912490B (en) * | 2020-07-23 | 2022-07-29 | 乐昌市恒源水电建筑工程有限公司 | Novel water conservancy monitoring facilities |
| CN112611434A (en) * | 2020-12-10 | 2021-04-06 | 杜纪同 | Reservoir water level monitoring device for hydraulic engineering |
| CN112697504A (en) * | 2021-01-18 | 2021-04-23 | 姚宸智 | Sampling device for underground water detection |
| CN112982321A (en) * | 2021-02-07 | 2021-06-18 | 毛廷贵 | Water conservancy facility safety device |
| CN113280894A (en) * | 2021-07-05 | 2021-08-20 | 四川华能宝兴河水电有限责任公司 | Hydropower station water level alarm device and use method thereof |
| CN116086574A (en) * | 2023-03-24 | 2023-05-09 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Automatic monitoring equipment for buried depth of underground water level |
| CN116086574B (en) * | 2023-03-24 | 2023-06-30 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Automatic monitoring equipment for buried depth of underground water level |
| CN116772977A (en) * | 2023-08-21 | 2023-09-19 | 黑龙江中科工程管理咨询有限公司 | Water level monitoring device for hydraulic engineering design |
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Application publication date: 20190723 |