CN111678569A - Reservoir dam monitoring and early warning device - Google Patents
Reservoir dam monitoring and early warning device Download PDFInfo
- Publication number
- CN111678569A CN111678569A CN202010706729.6A CN202010706729A CN111678569A CN 111678569 A CN111678569 A CN 111678569A CN 202010706729 A CN202010706729 A CN 202010706729A CN 111678569 A CN111678569 A CN 111678569A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- rod
- dam
- warning device
- 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.)
- Pending
Links
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
- F21V33/0076—Safety or security signalisation, e.g. smoke or burglar alarms, earthquake detectors; Self-defence devices
-
- 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
- G01F23/0007—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 for discrete indicating and measuring
- G01F23/0015—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 for discrete indicating and measuring with a whistle or other sonorous signal
-
- 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
- G01F23/60—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 electrically actuated indicating means
- G01F23/603—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 electrically actuated indicating means using electromechanically actuated indicating means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Environmental & Geological Engineering (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a reservoir dam monitoring and early warning device which comprises a ground and an underwater wall body, wherein the inner side wall of the underwater wall body is connected with two mounting plates, a plurality of bolt openings are formed in the mounting plates, the inner side wall of each bolt opening is in threaded connection with a fixing bolt, the fixing bolt extends into the underwater wall body, a plurality of sliding rods are fixedly connected between the two mounting plates, the outer side walls of the sliding rods are in sliding connection with L-shaped transmission rods, one ends of the transmission rods are fixedly connected with arc-shaped supporting plates, the tops of the arc-shaped supporting plates are fixedly connected with floating balls, the floating balls are positioned on the water surface, and one ends of the transmission rods, far away from the floating balls, are fixedly. According to the invention, through the matching between the driving mechanism and the sensing mechanism, the circuit enables the alarm to give out warning sounds in time, so that the condition that the dam water level is too high at the moment can be effectively improved, the water level adjustment is timely controlled through the dam, and the water level is ensured to be in a normal position.
Description
Technical Field
The invention relates to the technical field of reservoir dams, in particular to a reservoir dam monitoring and early warning device.
Background
The dam refers to a weir for intercepting rivers and blocking water, a water blocking dam of a reservoir, a river and the like, and a general reservoir dam mainly comprises a main dam, an auxiliary dam, a gravity dam, a normal spillway, an emergency spillway, a newly-added emergency spillway, a smart main canal culvert and a power station, wherein the opening and closing of the reservoir dam generally depends on the height of upstream and downstream water levels, and the dam can be divided into an earth-rock dam, a stone-building dam, a concrete dam and a rubber dam according to the characteristics of structure and stress.
The height of the general upstream and downstream water level needs to be obtained through a manual or remote measuring mode, so the mode for monitoring the upstream and downstream water level height is stable, but lacks timeliness and has certain hysteresis, on one hand, the dam water level height cannot be monitored in real time, the condition of overhigh water level cannot be known in time, on the other hand, the water level height is detected manually, real-time measurement is needed, the detection process is complex, and therefore the reservoir dam monitoring and early warning device is provided.
Disclosure of Invention
The invention aims to solve the defects that the prior art is stable in a mode of monitoring the upstream and downstream water level heights but lacks timeliness, and the provided reservoir dam monitoring and early warning device can master the current water level height in real time through the change of a scale rod indicated by a pointing rod.
In order to achieve the purpose, the invention adopts the following technical scheme:
reservoir dam monitoring and early warning device, including ground and aquatic wall body, the inside wall of aquatic wall body is connected with two mounting panels, a plurality of bolt mouths have been seted up on the mounting panel, the inside wall threaded connection of bolt mouth has fixing bolt, fixing bolt extends to the inside of aquatic wall body, two a plurality of slide bars of fixedly connected with between the mounting panel, the lateral wall sliding connection of slide bar has the transfer line that L shape set up, the one end fixedly connected with arc layer board of transfer line, the top fixedly connected with floater of arc layer board, the floater is located the surface of water, the directional pole that the one end fixedly connected with L shape of floater set up is kept away from to the transfer line, the tip of directional pole is the toper setting, be connected with actuating mechanism and response mechanism on the aquatic wall body, subaerial being connected with measuring mechanism.
Preferably, the mounting plate is arranged in a diamond shape, and two acute angle positions of the mounting plate face to the flowing direction of the water flow.
Preferably, actuating mechanism includes two dead levers of fixed connection on aquatic wall body lateral wall, two it is connected with the actuating lever to rotate between the dead lever, the fixed cover of lateral wall of actuating lever has connect the impeller, the side of water impact impeller, the top fixedly connected with connecting rod on ground, the top of connecting rod side is rotated and is connected with the dwang, the lateral wall of dwang and the lateral wall of actuating lever all are fixed the drive wheel that has cup jointed, two connect through drive belt transmission between the drive wheel.
Preferably, the induction mechanism comprises a first magnetic block and a second magnetic block which are fixedly connected to the top of the ground through link rods respectively, the top of the ground is fixedly connected with two vertically arranged installation rods, the top of each installation rod is fixedly connected with an annular copper sheet, a copper conductor is arranged between the first magnetic block and the second magnetic block, the central position of one side of the copper conductor is fixedly connected with the end part of the rotating rod, two ends of the copper conductor are rotatably connected with the inner side attaching wall corresponding to the annular copper sheet respectively, and the outer side face of the annular copper sheet is connected with a connecting lead.
Preferably, the opposite sides of the first magnetic block and the second magnetic block are both in arc-shaped concave arrangement, and the magnetic poles of the same sides of the first magnetic block and the second magnetic block are opposite.
Preferably, measuring mechanism includes the vertical scale bar that sets up in ground top fixed connection, the top fixedly connected with roof of scale bar, the side fixedly connected with second contact of scale bar, the second contact is connected with one of them connecting wire electricity, the tip of directional pole is located the side of scale bar, the top of directional pole has the siren through a plurality of alarm bolted connections, the side fixedly connected with of siren has the first contact that corresponds with the second contact, first contact is connected with another connecting wire electricity, first contact is located the bottom of second contact.
Preferably, an incandescent lamp is fixedly connected to the bottom of the top plate, and the incandescent lamp is electrically connected with the two connecting wires through a mounting wire and forms a series circuit.
Compared with the prior art, the invention has the beneficial effects that:
1. through the cooperation between actuating mechanism and the response mechanism, corresponding reaction has not been made to the siren under the normal condition, when the dam water level was too high, the water level that rises drove the contact of second contact and first contact, the second contact that actuating mechanism drove and first contact circular telegram are constituteed the series circuit and are made the siren in time send out the warning sound, dam water level height that can effectual promotion people this moment should in time be through dam control water level adjustment, guarantee that the water level is in normal position, further detachable siren, the siren of having avoided using the back for a long time to damage fails in time to send out the whistle, the validity of siren has been guaranteed.
2. Through the cooperation work between actuating mechanism and the measuring mechanism, when making the water level change of dam week side, the change of floater drives the change of directional pole, change on the scale bar of instructing through directional pole, grasp the water level height this moment in real time, the traditional mode through manual work or telemetering measurement has been avoided obtaining the mode of monitoring upstream and downstream water level height, this process lacks the ageing, certain hysteresis quality has, it is lower to make monitoring water level change efficiency, can't satisfy real time monitoring's the condition, further pivoted impeller drives the incandescent lamp all the time and leads to the electric all the time and gives the week side illumination of scale bar, guarantee the definition and the degree of accuracy of observing the scale bar.
Drawings
Fig. 1 is a schematic structural diagram of a reservoir dam monitoring and early warning device provided by the invention;
FIG. 2 is an enlarged view taken at A of FIG. 1;
FIG. 3 is a schematic structural diagram of a floating ball of the reservoir dam monitoring and early warning device provided by the invention;
FIG. 4 is a schematic structural diagram of a mounting plate of the reservoir dam monitoring and early warning device provided by the invention;
fig. 5 is a schematic structural diagram of an impeller of the reservoir dam monitoring and early warning device provided by the invention.
In the figure: the device comprises a water wall body 1, a ground 2, a first magnet 3, a second magnet 4, a connecting rod 5, a mounting rod 6, a ring-shaped copper sheet 7, a connecting lead 8, a copper conductor 9, a rotating rod 10, a pointing rod 11, an impeller 12, a driving rod 13, a fixing rod 14, a driving belt 15, a scale rod 16, a top plate 17, an incandescent lamp 18, a driving wheel 19, a fixing bolt 20, an alarm 21, a first contact piece 22, a second contact piece 23, a transmission rod 24, a floating ball 25, a mounting plate 26 and a sliding rod 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a reservoir dam monitoring and early warning device comprises a ground 2 and an underwater wall 1, wherein the inner side wall of the underwater wall 1 is connected with two mounting plates 26, the mounting plates 26 are provided with a plurality of bolt ports, the inner side wall of each bolt port is in threaded connection with a fixing bolt 20, the fixing bolt 20 extends into the underwater wall 1, a plurality of sliding rods 27 are fixedly connected between the two mounting plates 26, the outer side wall of each sliding rod 27 is in sliding connection with a transmission rod 24 in an L-shaped arrangement, one end of each transmission rod 24 is fixedly connected with an arc-shaped supporting plate, the top of each arc-shaped supporting plate is fixedly connected with a floating ball 25, the floating ball 25 is positioned on the water surface, one end of each transmission rod 24, which is far away from the floating ball 25, is fixedly connected with a pointing rod 11 in an L-shaped arrangement, the end part of the pointing rod, the impact force of water flow on the mounting plate 26 is small when the water flow passes through the mounting plate 26, so that the floating ball 25 at the top of the mounting plate 26 is kept stable relatively, the accurate measurement of the water level is facilitated, and the mass of the transmission rod 24 and the mass of the floating ball 25 are relatively small, so that the floating ball 25 is guaranteed to float on the water surface all the time.
Be connected with actuating mechanism and response mechanism on aquatic wall body 1, actuating mechanism includes two dead levers 14 of fixed connection on 1 lateral wall of aquatic wall body, it is connected with actuating lever 13 to rotate between two dead levers 14, the fixed cover of lateral wall of actuating lever 13 has connect impeller 12, the side of rivers impact impeller 12, the top fixedly connected with connecting rod 5 of ground 2, the top rotation of connecting rod 5 side is connected with dwang 10, the lateral wall of dwang 10 and the lateral wall of actuating lever 13 are all fixed the drive wheel 19 that has cup jointed, connect through 15 transmissions of drive belt between two drive wheels 19.
The induction mechanism comprises a first magnetic block 3 and a second magnetic block 4 which are fixedly connected to the top of the ground 2 through link rods respectively, the top of the ground 2 is fixedly connected with two vertically arranged installation rods 6, the top of the installation rods 6 is fixedly connected with an annular copper sheet 7, a copper conductor 9 is arranged between the first magnetic block 3 and the second magnetic block 4, the central position of one side of the copper conductor 9 is fixedly connected with the end part of the rotating rod 10, two ends of the copper conductor 9 are respectively rotatably connected with the inner side attaching walls of the corresponding annular copper sheets 7, the outer side surface of the annular copper sheet 7 is connected with a connecting lead 8, the opposite sides of the first magnetic block 3 and the second magnetic block 4 are both arc-shaped and sunken, the magnetic poles of the same side positions of the first magnetic block 3 and the second magnetic block 4 are opposite, through the matching between the driving mechanism and the induction mechanism, the alarm 21 does not make corresponding reaction under normal conditions, when the water level of the dam is too high, the second contact piece 23 and the first contact piece 22 driven by the driving mechanism are electrified to form a series circuit, so that the alarm 21 can give out warning sounds in time, the dam water level height at the moment can be effectively improved, the water level can be adjusted in time through dam control, the water level is guaranteed to be in a normal position, the alarm 21 can be further taken down, the situation that the alarm 21 damaged after being used for a long time cannot give out the warning sounds in time is avoided, and the effectiveness of the alarm 21 is guaranteed.
The ground 2 is connected with a measuring mechanism, the measuring mechanism comprises a scale rod 16 which is fixedly connected to the top of the ground 2 and vertically arranged, the top of the scale rod 16 is fixedly connected with a top plate 17, the side surface of the scale rod 16 is fixedly connected with a second contact piece 23, the second contact piece 23 is electrically connected with one connecting lead 8, the end part of the pointing rod 11 is positioned on the side surface of the scale rod 16, the top of the pointing rod 11 is fixedly connected with an alarm 21, the side surface of the alarm 21 is fixedly connected with a first contact piece 22 corresponding to the second contact piece 23, the first contact piece 22 is electrically connected with the other connecting lead 8, the first contact piece 22 is positioned at the bottom of the second contact piece 23, the bottom of the top plate 17 is fixedly connected with an incandescent lamp 18, the incandescent lamp 18 is electrically connected with the two connecting leads 8 through mounting leads and forms a series circuit, through the matching work between the driving mechanism and the measuring, the change of floater 25 drives directional pole 11's change, change on the scale bar 16 through directional pole 11 instruction, grasp the water level height this moment in real time, avoided traditional mode through manual work or telemetering measurement to obtain the mode of monitoring upstream and downstream water level height, this process lacks the ageing, certain hysteresis has, it is lower to make monitoring water level change efficiency, can't satisfy real time monitoring's the condition, further pivoted impeller 12 drives incandescent lamp 18 all the time and circular telegram gives the all sides illumination of scale bar 16, guarantee to observe the definition and the degree of accuracy of scale bar 16.
According to the invention, the mounting plate 26 is mounted on the inner side wall of the water wall 1, then the mounting plate 26 is fixedly connected with the water wall 1 through the plurality of fixing bolts 20, at the moment, the transmission rod 24 is in sliding connection with the sliding rod 27, the floating ball 25 floats on the water surface, the water level can rise and fall at any time, at the moment, the transmission rod 24 can move along with the rise and fall of the water level, the moving transmission rod 24 drives the pointing rod 11 to move, the indication position of the end part of the pointing rod 11 on the scale rod 16 is changed, and the water level at the moment can be rapidly known through the scale rod 16.
The water flow at the dam position drives the impeller 12 to rotate suddenly, the rotating impeller 12 drives the driving rod 13 to rotate, the rotating rod 10 is driven to rotate by the transmission effect of the two transmission wheels 19 and the transmission belt 15, the rotating rod 10 drives the copper conductor 9 to rotate inside the annular copper sheet 7, the rotating copper conductor 9 cuts the magnetic induction line formed by the first magnetic block 3 and the second magnetic block 4, so that the copper conductor 9 is electrified, the end part of the copper conductor 9 is always contacted with the annular copper sheet 7, the corresponding connecting lead 8 on the annular copper sheet 7 is electrified, the electrified connecting lead 8 enables the incandescent lamp 18 to be always electrified, the incandescent lamp 18 emits light to illuminate the graduated rod 16, the reading of the graduated rod 16 is facilitated, further, the water level rises to drive the pointing rod 11 to rise integrally, the first contact piece 22 on the pointing rod 11 is contacted with the second contact piece 23, and at the moment, a series circuit is formed between the alarm 21 and the two transmission wheels 19, the alarm 21 sounds an alarm, which means that the water level at that time is at a dangerous position and needs to be dealt with in a timely manner.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. Reservoir dam monitoring and early warning device, including ground (2) and aquatic wall body (1), its characterized in that, the inside wall of aquatic wall body (1) is connected with two mounting panels (26), a plurality of bolt mouths have been seted up on mounting panel (26), the inside wall threaded connection of bolt mouth has fixing bolt (20), fixing bolt (20) extend to the inside of aquatic wall body (1), two fixedly connected with a plurality of slide bars (27) between mounting panel (26), the lateral wall sliding connection of slide bar (27) has transfer line (24) that L shape set up, the one end fixedly connected with arc layer board of transfer line (24), the top fixedly connected with floater (25) of arc layer board, floater (25) are located the surface of water, the one end fixedly connected with directional pole (11) that L shape set up of transfer line (24) kept away from floater (25), the end part of the directional rod (11) is arranged in a conical shape, the underwater wall body (1) is connected with a driving mechanism and a sensing mechanism, and the ground (2) is connected with a measuring mechanism.
2. The dam and dam monitoring and warning device of claim 1, wherein the mounting plate (26) is diamond-shaped, and two acute-angled positions of the mounting plate (26) are opposite to the direction of water flow.
3. The monitoring and early-warning device for the reservoir dam as claimed in claim 1, wherein the driving mechanism comprises two fixing rods (14) fixedly connected to the side wall of the underwater wall (1), a driving rod (13) is rotatably connected between the two fixing rods (14), an impeller (12) is fixedly sleeved on the outer side wall of the driving rod (13), the water flow impacts the side surface of the impeller (12), a connecting rod (5) is fixedly connected to the top of the ground (2), a rotating rod (10) is rotatably connected to the top of the side surface of the connecting rod (5), driving wheels (19) are fixedly sleeved on the outer side wall of the rotating rod (10) and the outer side wall of the driving rod (13), and the two driving wheels (19) are in transmission connection through a driving belt (15).
4. The monitoring and early-warning device for the reservoir dam as claimed in claim 3, wherein the sensing mechanism comprises a first magnetic block (3) and a second magnetic block (4) which are fixedly connected to the top of the ground (2) through link rods respectively, the top of the ground (2) is fixedly connected with two vertically arranged mounting rods (6), the top of each mounting rod (6) is fixedly connected with an annular copper sheet (7), a copper conductor (9) is arranged between each first magnetic block (3) and each second magnetic block (4), the central position of one side of each copper conductor (9) is fixedly connected with the end of each rotating rod (10), the two ends of each copper conductor (9) are rotatably connected with the inner side attaching walls of the corresponding annular copper sheets (7) respectively, and the outer side faces of the annular copper sheets (7) are connected with connecting wires (8).
5. The monitoring and early warning device for the dam of the reservoir as claimed in claim 4, wherein the first magnetic block (3) and the second magnetic block (4) are both arranged in an arc-shaped concave manner at opposite sides, and the magnetic poles of the first magnetic block (3) and the second magnetic block (4) at the same side are opposite.
6. The monitoring and early warning device for reservoir dams according to claim 1, characterized in that the measuring mechanism comprises a scale rod (16) which is fixedly connected with the top of the ground (2) and is vertically arranged, the top of the scale rod (16) is fixedly connected with a top plate (17), the side surface of the scale rod (16) is fixedly connected with a second contact piece (23), the second contact piece (23) is electrically connected with one of the connecting leads (8), the end part of the pointing rod (11) is positioned on the side surface of the graduated rod (16), the top of the pointing rod (11) is connected with an alarm (21) through a plurality of alarm bolts, a first contact piece (22) corresponding to the second contact piece (23) is fixedly connected to the side surface of the alarm (21), the first contact piece (22) is electrically connected with the other connecting lead (8), and the first contact piece (22) is positioned at the bottom of the second contact piece (23).
7. The monitoring and early-warning device for the dam of the reservoir as claimed in claim 6, wherein an incandescent lamp (18) is fixedly connected to the bottom of the top plate (17), and the incandescent lamp (18) is electrically connected with the two connecting wires (8) through a mounting wire and forms a series circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706729.6A CN111678569A (en) | 2020-07-21 | 2020-07-21 | Reservoir dam monitoring and early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706729.6A CN111678569A (en) | 2020-07-21 | 2020-07-21 | Reservoir dam monitoring and early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111678569A true CN111678569A (en) | 2020-09-18 |
Family
ID=72457885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010706729.6A Pending CN111678569A (en) | 2020-07-21 | 2020-07-21 | Reservoir dam monitoring and early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111678569A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729473A (en) * | 2020-12-15 | 2021-04-30 | 中煤建工集团有限公司 | Water level early warning device for precipitation well |
| CN117037436A (en) * | 2023-08-03 | 2023-11-10 | 国家能源局大坝安全监察中心 | Dam safety management system |
-
2020
- 2020-07-21 CN CN202010706729.6A patent/CN111678569A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729473A (en) * | 2020-12-15 | 2021-04-30 | 中煤建工集团有限公司 | Water level early warning device for precipitation well |
| CN117037436A (en) * | 2023-08-03 | 2023-11-10 | 国家能源局大坝安全监察中心 | Dam safety management system |
| CN117037436B (en) * | 2023-08-03 | 2024-05-10 | 国家能源局大坝安全监察中心 | Dam safety management system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111678569A (en) | Reservoir dam monitoring and early warning device | |
| CN104597284B (en) | Floatation type rivers and canals water flow speed measurer | |
| CN208476355U (en) | A kind of engineering water conservancy water level monitoring device | |
| CN209910789U (en) | Mechano-electronic integrated water level alarm device | |
| CN213566357U (en) | Novel buoy for environmental monitoring | |
| CN112730879A (en) | Intelligent river flow velocity measuring device and method | |
| CN204389522U (en) | Floatation type rivers and canals water flow speed measurer | |
| CN212621011U (en) | Reservoir dam monitoring and early warning device | |
| CN106123860A (en) | A kind of electric pole tilt detecting device | |
| CN103133255B (en) | Kite water level lifting device, hydroelectric generator and irrigation device | |
| CN109425413B (en) | Marine adjustable liquid level alarm sensor with double alarm points | |
| CN104137817B (en) | Electronic floating unit and control method thereof for the main rope of labelling longline fishing | |
| CN103185626A (en) | Reservoir level tester for pumped storage power plant and installation method of reservoir level tester | |
| CN219416186U (en) | Hydrologic detection device | |
| CN206132185U (en) | Novel mechanical type fluviograph | |
| CN214407692U (en) | Power station water level automatic checkout device | |
| CN206038110U (en) | Water conservancy water level detection device | |
| CN103569322A (en) | Hydrological flood monitoring cableway buoy positioning automatic putting device | |
| CN210014809U (en) | Propeller type on-line flow measuring system | |
| CN220853772U (en) | Municipal road construction groundwater level measuring device | |
| CN216411610U (en) | Marine plant weather change early warning device | |
| CN218445551U (en) | Water-entry type vertical line flow velocity sensor | |
| CN205775929U (en) | Hydrometric cableway alarming device | |
| CN219455248U (en) | Novel water level monitoring device | |
| CN218299137U (en) | Freshwater aquaculture water surface monitoring and early warning system |
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 |