CN113514133A - Water level monitoring device and monitoring method - Google Patents
Water level monitoring device and monitoring method Download PDFInfo
- Publication number
- CN113514133A CN113514133A CN202110584001.5A CN202110584001A CN113514133A CN 113514133 A CN113514133 A CN 113514133A CN 202110584001 A CN202110584001 A CN 202110584001A CN 113514133 A CN113514133 A CN 113514133A
- Authority
- CN
- China
- Prior art keywords
- water level
- floating ball
- display screen
- monitoring device
- level monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- 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
- G01F23/56—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 using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/58—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 using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using mechanically actuated indicating means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a water level monitoring device and a monitoring method, the water level monitoring device comprises a fixing frame for fixing the device at the position of a bridge and the like, the fixing frame is vertically provided with a left through hole and a right through hole, a flexible rule is arranged in the left through hole, a hard rule is arranged in the right through hole in a sliding manner, the lower ends of the flexible rule and the hard rule are connected with the floating ball, the fixed frame is provided with a digital identification camera for reading the scale of the flexible rule, the processor is arranged for calculating the height of the whole water level, the top end of the hard rule is provided with a displacement sensor for sensing the position of the hard rule, the processor calculates the real-time water level height, the device is provided with two display screens for displaying two data, and can give remote terminal with data transmission, and this device is whole to be located above the surface of water except that the floater, and the installation is dismantled simply swiftly, can also effectively prevent the influence of water condition to the device and even damage to longer life has.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering, and particularly relates to a water level monitoring device and a water level monitoring method.
Background
Water level monitoring is a common technological means among the hydraulic engineering, generally adopt to insert the mode of scale in aqueous and measure, but the installation of scale needs to be pour, need build the cofferdam in the waters of measuration, pour the formation base in the cofferdam, the operation is comparatively troublesome, the data that record is single, and monitoring devices soaks in aqueous for a long time, be corroded easily, simultaneously behind the debris striking scale of aquatic, can lead to the bending deformation of scale, influence monitoring data, damage monitoring devices even.
Disclosure of Invention
In order to overcome the technical problems, the invention provides a water level monitoring device and a monitoring method, wherein a fixed frame used for being installed on a bridge is arranged, a flexible rule and a hard rule are movably arranged on the fixed frame, the lower ends of two graduated rules are connected to a floating ball and move up and down along with the floating ball on the water surface, the flexible rule measures the total water level, the hard rule monitors the real-time water level, a processor calculates the data of the flexible rule and the hard rule and displays the data by a display screen.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a water level monitoring device, includes the mount, the mount is vertical to be left through-hole and right through-hole, be close to left through-hole department on the mount and set up the tape measure box, the tape measure box outside sets up tape measure box protection casing, the tape measure box stretches out the tape measure downwards, the tape measure passes left through-hole back downwards and connects in main floater, slide in the right through-hole and set up hard chi, hard chi below is connected in main floater, the tape measure is used for measuring the total water level, the hard chi is used for measuring real-time water level.
Preferably, a digital identification camera is arranged at the position of the left through hole, the digital identification camera is aligned to the flexible rule and used for reading scales of the flexible rule, and a displacement sensor is arranged at the upper end of the hard rule and used for acquiring the real-time change condition of the position of the hard rule.
Preferably, the mount left end sets up the treater, the treater outside sets up the treater protection casing, the treater top sets up display screen one, tape measure box top sets up display screen two, display screen one sets up the display screen protection casing with the display screen is two outside, and the information that digital identification camera and sensor obtained is passed to the treater, and the treater is through showing two readings on display screen one and display screen two after certain calculation to the treater also has the function of sending data to terminal in a distance.
Preferably, the mount right-hand member sets up the battery, set up the battery protection casing outside the battery, the mount both ends set up solar panel, and the device utilizes solar energy supply.
Preferably, the digital identification camera sets up the light beside, and the device of being convenient for is measured at night, is read data, also is convenient for workman's operation, installation.
Preferably, the main floating ball is connected with a plurality of connecting rods all around, and the other end of each connecting rod is connected with the auxiliary floating ball, so that the stability of the floating ball is improved, the accuracy of measured data is ensured, and the effects of protecting the device and prolonging the service life of the device are also achieved.
Preferably, screw holes are reserved at two ends of the fixing frame, screws are arranged in the screw holes, and the device is installed at a bridge and the like through the screw holes and the screws.
Preferably, a buffer block is arranged below the fixing frame and used for preventing the floating ball from colliding with the device above and protecting the device.
A water level monitoring method comprising the steps of:
s1, attaching a fixing frame to a bridge vertical face, and fixing the fixing frame to the bridge vertical face through screws so as to finish the fixed installation of the monitoring device;
s2, lowering the main floating ball and the auxiliary floating ball to enable the main floating ball and the auxiliary floating ball to float on the water surface, and adjusting the first display screen and the second display screen according to the height (known) of the fixed position of the device from the water bottom and the scale of the flexible ruler to finish presetting data;
s3, when the water surface rises or falls, the main floating ball moves upwards or falls, the flexible ruler retracts into the tape box or extends out of the tape box under the action force of the main floating ball and a coil spring in the tape box, the digital identification camera identifies the scale of the flexible ruler and transmits data to the processor, the processor compares the scale value of the flexible ruler with an initial value to obtain a difference value, then the water level height is calculated according to the difference value, and the height data is transmitted to the display screen I to be displayed, and the data is used for representing the water level stable height of the water area where the measurement is carried out because the flexible ruler has certain hysteresis;
s4, when the water surface rises or falls, the position of the main floating ball moves upwards or falls, the main floating ball drives the hard scale to drive the displacement sensor to rise or fall, the displacement sensor transmits a distance signal between the displacement sensor and the fixing frame to the processor, the processor analyzes the signal of the displacement sensor, compares the signal with an initial value, calculates the water level height after obtaining a difference value, and transmits height data to the display screen II for displaying, and because the movement of the hard scale and the processing speed hysteresis of the displacement sensor can be ignored, the data represents the real-time height of the water level of the measured water area;
and S5, the processor transmits the water level signal to the first display screen and the second display screen and simultaneously sends the water level signal to a remote terminal for remote monitoring of an operator.
Compared with the prior art, the invention has the beneficial effects that:
1. the water level is monitored by adopting a mode that the floating ball drives the flexible rule and the hard rule to move up and down, the flexible rule has certain hysteresis quality due to the change of the flexible rule, so the total change of the water level can be represented, the hysteresis quality of the change of the position of the hard rule can be ignored, and the reading is used for representing the real-time water level;
2. the main body device is arranged above the water surface in a non-traditional mode, and is only contacted with the water through the floating ball and the auxiliary floating ball, so that the influence of the water condition on the device can be effectively avoided, and the service life of the device is prolonged;
3. the solar energy is utilized for energy supply, and the device is directly arranged at a fixed position such as a bridge through a screw, so that the installation and the disassembly are simple, convenient and quick.
Drawings
FIG. 1 is a general schematic of the present invention;
FIG. 2 is a schematic cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a schematic cross-sectional view taken along the direction C-C in fig. 1.
Description of reference numerals:
1, bridging; 2 a solar panel; 3, a screw; 4, fixing a frame; 5, a flexible rule; 6, a buffer block; 7, a hard ruler; 8, an auxiliary floating ball; 9, a main floating ball; 10 display screen protective cover; 11 displaying a screen I; 12, displaying a second screen; 13 a processor shield; 14 a processor; 15 tape measure boxes; a 16 tape measure shield; 17 a displacement sensor; 18 left through hole; 19 lighting lamps; 20 digital identification cameras; 21 a right through hole; 22 connecting rods; 23 a battery shield; 24 storage battery.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The utility model provides a water level monitoring device, includes mount 4, states mount 4 and leaves left through-hole 18 and right through-hole 21, be close to left through-hole 18 department on mount 4 and set up tape measure box 15, the tape measure box 15 outside sets up tape measure box protection casing 16, tape measure box 15 stretches out tape measure 5 downwards, connect in main floater 9 behind the left through-hole 18 is passed downwards to tape measure 5, slide in the right through-hole 21 and set up hard chi 7, hard chi 7 below is connected in main floater 9.
And a digital identification camera 20 is arranged at the position of the left through hole 18, the digital identification camera 20 is aligned with the flexible rule 5, and a displacement sensor 17 is arranged at the upper end of the rigid rule 7.
The left end of the fixing frame 4 is provided with a processor 14, the outer side of the processor 14 is provided with a processor protective cover 13, a first display screen 11 is arranged above the processor 14, a second display screen 12 is arranged above the tape measure box 15, and a display screen protective cover 10 is arranged outside the first display screen 11 and the second display screen 12.
The right end of the fixing frame 4 is provided with a storage battery 24, a storage battery protective cover 23 is arranged outside the storage battery 24, and the two ends of the fixing frame 4 are provided with the solar panels 2.
An illuminating lamp 19 is arranged beside the digital identification camera 20.
Four connecting rods 22 are connected around the main floating ball 9, and the other end of each connecting rod 22 is connected with an auxiliary floating ball 8.
Screw holes are reserved at two ends of the fixing frame 4, and screws 3 are arranged in the screw holes.
And a buffer block 6 is arranged at the bottom of the fixed frame 4.
A water level monitoring method comprising the steps of:
s1, attaching a fixing frame 4 to a bridge vertical face, and fixing the fixing frame 4 to the bridge vertical face through a screw 3, so that the fixed installation of the monitoring device is completed;
s2, lowering the main floating ball 9 and the auxiliary floating ball 8 to enable the main floating ball and the auxiliary floating ball to float on the water surface, and adjusting the readings of the first display screen 11 and the second display screen 12 according to the height (known) of the fixed position of the device from the water bottom and the scale of the flexible rule 5 to finish the presetting of data;
s3, when the water surface rises or falls, the position of the main floating ball 9 moves upwards or falls, the flexible rule 5 retracts into the tape box 15 or extends out of the tape box 15 under the action force of the main floating ball 9 and a coil spring in the tape box 15, the digital identification camera 20 identifies the scale of the flexible rule 5 and transmits data to the processor 14, the processor 14 compares the scale value of the flexible rule 5 with an initial value to obtain a difference value, then the water level height is calculated according to the difference value, and the height data is transmitted to the display screen I11 to be displayed, and the flexible rule 5 has certain hysteresis, so the data is used for representing the water level stable height of the water area where the measurement is carried out;
s4, when the water surface rises or falls, the position of the main floating ball 9 moves upwards or falls, the main floating ball 9 drives the hard ruler 7 to drive the displacement sensor 17 to rise or fall, the displacement sensor 17 transmits a distance signal between the main floating ball and the fixed frame 4 to the processor 14, the processor 14 analyzes the signal of the displacement sensor 17, compares the signal with an initial value, calculates the water level height after obtaining a difference value, and transmits height data to the second display screen 12 for display, and because the movement of the hard ruler 7 and the processing speed hysteresis of the displacement sensor 17 can be ignored, the data represents the real-time height of the water level of the measured water area;
s5, the processor 14 transmits the water level signal to the first display screen 11 and the second display screen 12 and simultaneously sends the water level signal to a remote terminal for remote monitoring of an operator.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the above embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a water level monitoring device, includes mount (4), its characterized in that: the utility model discloses a flexible rule, including mount (4), fixed frame (4), tape measure box (15) outside sets up tape measure box protection casing (16), tape measure box (15) stretches out tape measure (5) downwards, connect in main floater (9) behind left through-hole (18) is passed downwards in tape measure (5), slide in right through-hole (21) and set up hard chi (7), hard chi (7) below is connected in main floater (9).
2. A water level monitoring device according to claim 1, wherein: a digital identification camera (20) is arranged at the position of the left through hole (18), the digital identification camera (20) is aligned to the flexible rule (5), and a displacement sensor (17) is arranged at the upper end of the hard rule (7).
3. A water level monitoring device according to claim 1, wherein: set up treater (14) on mount (4), treater (14) inside sets up the long-range transmitting system of signal, treater (14) outside sets up treater protection casing (13), treater (14) top sets up display screen (11) and display screen two (12), display screen protection casing (10) are set up outward to display screen (11) and display screen two (12).
4. A water level monitoring device according to claim 1, wherein: set up battery (24) on mount (4), set up battery protection casing (23) outside battery (24), mount (4) both ends set up solar panel (2).
5. A water level monitoring device according to claim 1, wherein: and an illuminating lamp (19) is arranged beside the digital identification camera (20).
6. A water level monitoring device according to claim 1, wherein: the periphery of the main floating ball (9) is connected with a plurality of connecting rods (22), and the other end of each connecting rod (22) is connected with an auxiliary floating ball (8).
7. A water level monitoring device according to claim 1, wherein: screw holes are reserved at two ends of the fixing frame (4), and screws (3) are arranged in the screw holes.
8. A water level monitoring device according to claim 1, wherein: and a buffer block (6) is arranged below the fixing frame (4).
9. A water level monitoring method using the water level monitoring apparatus according to any one of claims 1 to 8, comprising the steps of:
s1, attaching a fixing frame (4) to a bridge vertical face, and fixing the fixing frame (4) to the bridge vertical face through a screw (3) so as to fixedly install the monitoring device;
s2, a main floating ball (9) and an auxiliary floating ball (8) are lowered to enable the main floating ball and the auxiliary floating ball to float on the water surface, and the readings of a first display screen (11) and a second display screen (12) are adjusted according to the height of a fixed position of the device from the water bottom and the scale of a flexible rule (5);
s3, when the water surface rises or falls, the position of the main floating ball (9) moves upwards or falls, the flexible ruler (5) is retracted into the tape box (15) or extends out of the tape box (15) under the acting force of the main floating ball (9) and a coil spring in the tape box (15), the digital identification camera (20) identifies the scale of the flexible ruler (5), the data are transmitted to the processor (14), the processor (14) compares the scale value of the flexible ruler (5) with the initial value, the water level height is calculated according to the difference after the difference is obtained, and the height data are transmitted to the display screen I (11) to be displayed;
s4, when the water surface rises or falls, the position of the main floating ball (9) moves upwards or falls, the main floating ball (9) drives the hard scale (7) to drive the displacement sensor (17) to rise or fall, the displacement sensor (17) transmits a distance signal between the main floating ball and the fixed frame (4) to the processor (14), the processor (14) analyzes the signal of the displacement sensor (17), compares the signal with an initial value, calculates the height of the water level after obtaining a difference value, and transmits height data to the second display screen (12) for display;
s5, the processor (14) transmits the water level signal to the remote terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110584001.5A CN113514133B (en) | 2021-05-27 | 2021-05-27 | Water level monitoring device and monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110584001.5A CN113514133B (en) | 2021-05-27 | 2021-05-27 | Water level monitoring device and monitoring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113514133A true CN113514133A (en) | 2021-10-19 |
| CN113514133B CN113514133B (en) | 2024-04-19 |
Family
ID=78065161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110584001.5A Active CN113514133B (en) | 2021-05-27 | 2021-05-27 | Water level monitoring device and monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113514133B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200273126Y1 (en) * | 2002-02-07 | 2002-04-20 | 한준희 | Measuring instrument of water level and flux |
| CN2641604Y (en) * | 2003-09-01 | 2004-09-15 | 蒯晓雷 | Digital water level display device |
| CN2672628Y (en) * | 2004-01-06 | 2005-01-19 | 任召全 | Liquid level scale |
| CN103323079A (en) * | 2013-06-05 | 2013-09-25 | 江苏方建工程质量鉴定检测有限公司 | Automatic water level monitoring device in foundation pit water level observation well |
| CN104075775A (en) * | 2014-07-07 | 2014-10-01 | 四川东瑞石油钻具有限公司 | Novel intelligent delay liquid level alarming apparatus |
| KR20170086773A (en) * | 2016-01-19 | 2017-07-27 | 이현석 | Apparatus for visual water level assessment |
| CN207964008U (en) * | 2018-01-27 | 2018-10-12 | 宁夏大学 | A kind of quick reservoir level measurement device |
| CN208398975U (en) * | 2018-07-12 | 2019-01-18 | 四川讯思电气自动化设备有限公司 | A kind of unattended monitoring system in power station |
| CN208795325U (en) * | 2018-10-23 | 2019-04-26 | 肖杰 | A kind of hydraulic engineering water level monitoring device |
| CN209230737U (en) * | 2018-12-28 | 2019-08-09 | 中国二冶集团有限公司 | A kind of level measurement device |
| CN110307882A (en) * | 2019-07-26 | 2019-10-08 | 安徽省卓创信息科技服务有限公司 | A kind of rock engineering prospecting floatation type floodometer and its measurement method |
| CN209656138U (en) * | 2019-06-03 | 2019-11-19 | 胡红倩 | A kind of multi-layer Underground Water water level observation device in hydrogeology hole |
| CN111103036A (en) * | 2020-01-20 | 2020-05-05 | 江苏省水利科学研究院 | Water level monitoring device for hydraulic engineering |
| CN211262403U (en) * | 2020-03-07 | 2020-08-14 | 江苏联合智能科技有限公司 | Liquid level sensor with high detection precision |
| CN212007441U (en) * | 2020-06-01 | 2020-11-24 | 北京地矿工程建设有限责任公司 | Precipitation well water level real-time supervision and on-the-spot early warning device |
| CN212409822U (en) * | 2020-07-09 | 2021-01-26 | 水发金水建设工程有限公司 | Water level monitoring device for hydraulic engineering |
-
2021
- 2021-05-27 CN CN202110584001.5A patent/CN113514133B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200273126Y1 (en) * | 2002-02-07 | 2002-04-20 | 한준희 | Measuring instrument of water level and flux |
| CN2641604Y (en) * | 2003-09-01 | 2004-09-15 | 蒯晓雷 | Digital water level display device |
| CN2672628Y (en) * | 2004-01-06 | 2005-01-19 | 任召全 | Liquid level scale |
| CN103323079A (en) * | 2013-06-05 | 2013-09-25 | 江苏方建工程质量鉴定检测有限公司 | Automatic water level monitoring device in foundation pit water level observation well |
| CN104075775A (en) * | 2014-07-07 | 2014-10-01 | 四川东瑞石油钻具有限公司 | Novel intelligent delay liquid level alarming apparatus |
| KR20170086773A (en) * | 2016-01-19 | 2017-07-27 | 이현석 | Apparatus for visual water level assessment |
| CN207964008U (en) * | 2018-01-27 | 2018-10-12 | 宁夏大学 | A kind of quick reservoir level measurement device |
| CN208398975U (en) * | 2018-07-12 | 2019-01-18 | 四川讯思电气自动化设备有限公司 | A kind of unattended monitoring system in power station |
| CN208795325U (en) * | 2018-10-23 | 2019-04-26 | 肖杰 | A kind of hydraulic engineering water level monitoring device |
| CN209230737U (en) * | 2018-12-28 | 2019-08-09 | 中国二冶集团有限公司 | A kind of level measurement device |
| CN209656138U (en) * | 2019-06-03 | 2019-11-19 | 胡红倩 | A kind of multi-layer Underground Water water level observation device in hydrogeology hole |
| CN110307882A (en) * | 2019-07-26 | 2019-10-08 | 安徽省卓创信息科技服务有限公司 | A kind of rock engineering prospecting floatation type floodometer and its measurement method |
| CN111103036A (en) * | 2020-01-20 | 2020-05-05 | 江苏省水利科学研究院 | Water level monitoring device for hydraulic engineering |
| CN211262403U (en) * | 2020-03-07 | 2020-08-14 | 江苏联合智能科技有限公司 | Liquid level sensor with high detection precision |
| CN212007441U (en) * | 2020-06-01 | 2020-11-24 | 北京地矿工程建设有限责任公司 | Precipitation well water level real-time supervision and on-the-spot early warning device |
| CN212409822U (en) * | 2020-07-09 | 2021-01-26 | 水发金水建设工程有限公司 | Water level monitoring device for hydraulic engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113514133B (en) | 2024-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107894381B (en) | South is for river Sand measuring device and method | |
| CN105181072B (en) | A kind of water level automatic checkout equipment | |
| CN105526909B (en) | A kind of sedimentation detection method and device based on image recognition principle | |
| CN107941155B (en) | Lead wire appearance based on linear array CCD | |
| CN110631549A (en) | Roadbed settlement monitoring device based on fiber bragg grating | |
| CN115655417A (en) | Inspection well water level sensor and detection method | |
| CN103344306B (en) | A kind of environmental protection WSN float liquid level pick-up unit and method | |
| CN113514133B (en) | Water level monitoring device and monitoring method | |
| CN101586982A (en) | Device and method for detecting position of object | |
| CN110595428A (en) | Static level gauge for measuring liquid level based on image analysis and measuring method | |
| CN210128753U (en) | Flood water mark monitoring devices | |
| CN108037051B (en) | Intelligent cleaning type sand measuring device and method | |
| CN113341173B (en) | Water flow online measuring device | |
| CN111102959A (en) | Online rail settlement monitoring device and method based on linear detection | |
| CN213417912U (en) | Monitoring facilities is used in foundation settlement | |
| CN104677458B (en) | Water level automatic checkout equipment | |
| CN211317464U (en) | Water level monitoring device | |
| KR100894977B1 (en) | Hydrograph apparatus in use binocular disparity | |
| CN210263000U (en) | Ground settlement monitoring device | |
| CN219572951U (en) | Cage guide interval measuring device | |
| CN217585969U (en) | Real-time monitoring and early warning device for river level | |
| CN219391054U (en) | Dam safety monitoring device | |
| CN215261988U (en) | Water level monitoring system of rotary disc type water measuring weir | |
| CN218180057U (en) | Integrated water level information acquisition and monitoring system | |
| CN211477310U (en) | Floating ball water level meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Zhijun Inventor after: Yong Qiang Lu Inventor after: Guan Yupeng Inventor after: Zhou Xinhe Inventor after: Yan Cunzhi Inventor after: Xiong Jingzhe Inventor before: Yong Qiang Lu Inventor before: Song Zhijun Inventor before: Guan Yupeng Inventor before: Zhou Xinhe Inventor before: Yan Cunzhi Inventor before: Xiong Jingzhe |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |