CN112067085B - Water level real-time supervision alarm system based on thing networking - Google Patents
Water level real-time supervision alarm system based on thing networking Download PDFInfo
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- CN112067085B CN112067085B CN202010981880.0A CN202010981880A CN112067085B CN 112067085 B CN112067085 B CN 112067085B CN 202010981880 A CN202010981880 A CN 202010981880A CN 112067085 B CN112067085 B CN 112067085B
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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
- G01F23/56—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
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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
- G01F23/56—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
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Abstract
The invention provides a water level real-time monitoring and alarming system based on the Internet of things, which relates to the technical field of hydraulic engineering, is applied to a river channel and monitors the water level of water liquid flowing in the river channel in real time, and comprises cross beams crossing two banks of the river channel, wherein the cross beams are horizontally arranged, the middle part of the top end of each cross beam is provided with a through round hole, a telescopic shaft rod capable of sliding up and down is embedded in the round hole at the top end of each cross beam in a sliding fit manner, and a plurality of water level monitoring cylinders are arranged at the bottom ends of the telescopic shaft rods embedded in the round holes of the cross beams; according to the invention, the cross beams span two banks of the river channel, so that the cross beams are horizontally arranged, and the water level heights of water liquid in the river channel are measured in real time at multiple points by suspending the water level monitoring cylinders through the cross beams, so that the accuracy of measuring the water level of the water liquid in the river channel is further improved.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a water level real-time monitoring and alarming system based on the Internet of things.
Background
The traditional water level monitoring method mainly comprises the steps that a mark post with certain scales is arranged in water, a camera is used for shooting the water surface to obtain images of the water surface and the mark post, human eyes observe the shot images, and the current water level value is read according to the scales on the mark post, so that the purpose of monitoring the water level is achieved. However, due to the existence of natural environmental factors such as light and climate, the resolution of the captured image is affected to a certain extent, and particularly, under the backlight condition, the water level and the scale marks on the marker post can hardly be distinguished by human eyes, so that the traditional method is affected by the environmental factors and has a large error.
The internet of things is used for remote data transmission to carry out interconnection of everything, and remote real-time monitoring on water level in a river channel through the internet of things is the current mainstream development trend, and the patent number CN201922369365.2 discloses a channel water level real-time monitoring device which is applied to the technical field of irrigation area water measuring equipment and solves the problem of low water level measurement precision; the transverse supporting rod is provided with a camera terminal, the longitudinal supporting rod is provided with a display terminal for displaying images shot by the camera terminal, and the solar panel is connected with the camera terminal and the display terminal; the utility model discloses have water level real-time supervision function, and measurement accuracy is higher.
The existing water level real-time monitoring device disclosed in the above patent still has some disadvantages in practical use, and the specific disadvantages are as follows:
firstly, a river channel is not flat, a single water level monitoring device is placed in the river channel to monitor the water level in the river channel in the prior art, high water waves are easily generated on the surface of water liquid locally due to the fact that water liquid in the river channel flows, and when the single water level monitoring device is placed in the river channel to monitor, the single water level monitoring device is easily pushed by the water waves, so that the water level monitoring is not accurate, and an alarm system is easily mistakenly reported.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a water level real-time monitoring and alarming system based on the Internet of things, which solves the technical problems that a river channel is not bent, a single water level monitoring device is traditionally placed in the river channel to monitor the water level in the river channel, high water waves are easily generated on the local surface of water due to the fact that the water in the river channel flows, when the single water level monitoring device is placed in the river channel to monitor, the single water level monitoring device is easily pushed by the water waves, so that the water level monitoring is not accurate, and the alarming system is easily misreported.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a water level real-time monitoring and alarming system based on the Internet of things is applied to a river channel and is used for monitoring the water level of water liquid flowing in the river channel in real time, and comprises cross beams crossing two banks of the river channel, wherein the cross beams are horizontally arranged, a through round hole is formed in the middle of the top end of each cross beam, a telescopic shaft rod capable of sliding up and down is embedded into the round holes in the top end of each cross beam in a sliding fit mode, a plurality of water level monitoring cylinders are arranged at the bottom ends of the telescopic shaft rods embedded into the round holes of the cross beams, the water level monitoring cylinders transversely extend into the water liquid of the river channel side by side, and the water level of the water liquid flowing in the river channel is detected at multiple points through the water level monitoring cylinders;
the variable resistance wire is wound on the outer circular surface of the telescopic shaft rod embedded in the circular hole of the cross beam, a slip sheet with a U-shaped structure is fixedly mounted at the top end of the cross beam close to the periphery of the telescopic shaft rod, the slip sheet close to the periphery of the telescopic shaft rod is in sliding connection with the surface of the variable resistance wire on the outer circular surface of the telescopic shaft rod, the slip sheet is connected to a data receiving terminal through a wire, the other end of the data receiving terminal is connected to a data processing unit through a wire, the data processing unit is connected to a data transmission unit through a wire, and the data transmission unit is connected to an alarm terminal module through a wire;
the solar cell is fixedly mounted at the top end of the cross beam, a transformer is arranged at the output end of the solar cell, and the transformer is fixedly connected with the variable resistance wire on the telescopic shaft rod through a cable.
As a preferred technical scheme of the invention, the water level monitoring cylinders are arranged below the cross beam, the top end of each water level monitoring cylinder arranged below the cross beam is fixedly provided with a suspension bracket, the top end of each suspension bracket is fixed on the cross beam, the bottom end of the telescopic shaft lever embedded in the circular hole of the cross beam is provided with a hinge, the bottom end of the telescopic shaft lever embedded in the circular hole of the cross beam is hinged to the middle part of the cross beam through the hinge, and the water level monitoring cylinders are arranged below two ends of the cross beam;
as a preferred technical scheme of the invention, the water level monitoring cylinder comprises a floating floater, an insulating shaft rod, water inlet holes and a cross rod, the water level monitoring cylinder is of a cylinder structure with a round hole inner wall at the middle part, a plurality of water inlet holes penetrating through the round hole inner wall are formed in the outer circular surface of the water level monitoring cylinder at equal intervals, each water inlet hole is a long hole, the floating floater with a disc structure is arranged on the round hole inner wall of the water level monitoring cylinder, the insulating shaft rod standing upright at the top end of the floating floater is arranged at the top end of the floating floater, and the top end of the insulating shaft rod is fixedly connected to two ends of the cross rod.
As a preferred technical scheme of the present invention, an annular scraper knife is disposed on the bottom surface of the float embedded in the circular hole of the water level monitoring cylinder, the scraper knife is disposed at the edge of the float on the bottom surface of the float, an outer circular surface of the scraper knife disposed at the edge of the float is in sliding contact with the inner wall of the circular hole of the water level monitoring cylinder, and an inner wall surface of the scraper knife is a conical surface.
As a preferred technical scheme of the invention, the water level monitoring cylinder also comprises a side filter screen arranged in each water inlet and a bottom filter screen arranged at the bottom of the water level monitoring cylinder.
As a preferred technical scheme of the invention, the inner wall of the round hole of the water level monitoring cylinder is provided with a limit alarm monitoring device, the limit alarm monitoring device is composed of an infrared laser transmitting terminal, a wading infrared receiving terminal and a spring plate supporting component, the infrared laser emission terminals are arranged in a plurality, the infrared laser emission terminals are arranged at the top end of the inner wall of the round hole of the water level monitoring cylinder at equal intervals, two adjacent infrared laser emission terminals are arranged, the inner wall of the round hole of the water level monitoring cylinder is provided with wading infrared receiving terminals with the same number as the infrared laser transmitting terminals at equal intervals, each wading infrared receiving terminal is in one-to-one correspondence with the infrared laser transmitting terminals on the inner wall of the round hole of the water level monitoring cylinder, infrared laser emitted by the infrared laser emitting terminal irradiates the wading infrared receiving terminals, and each wading infrared receiving terminal is supported and fixed on the inner wall of the round hole of the water level monitoring cylinder through the elastic piece supporting component.
As a preferred technical scheme of the invention, each elastic sheet supporting component comprises a yielding groove arranged on the inner wall of a round hole of the water level monitoring cylinder, the two sides of the two walls of the abdicating groove are symmetrically provided with sliding grooves, V-shaped elastic sheets are embedded in the abdicating groove, the two ends of the V-shaped elastic sheet are symmetrically provided with walking rollers, the walking rollers at the two ends of the V-shaped elastic sheet are embedded into the sliding groove in a sliding fit mode, the middle part of the V-shaped elastic sheet embedded into the abdicating groove is provided with a spring, a supporting plate abdicating groove is arranged on the top side wall of the V-shaped elastic sheet facing to the upper part of the water level monitoring cylinder, one side of the support plate abdicating groove is hinged with a horizontal support plate, the bottom of the horizontal support is supported by an arc-shaped spring to enable the horizontal support to be in a horizontal state when not extruded by external force, and the wading infrared receiving terminal is fixedly installed on the top end face of the horizontal support.
Compared with the prior art, the invention has the beneficial effects that:
the cross beams are arranged across two banks of the river channel in a horizontal mode, the cross beams are hung on the plurality of water level monitoring cylinders through the cross beams, the water level height of water in the river channel is measured in multiple points in real time, and the accuracy of measuring the water level of the water in the river channel is further improved.
Secondly, the middle part of the top end of the cross beam is provided with a through round hole, a telescopic shaft rod capable of sliding up and down is embedded in the round hole at the top end of the cross beam in a sliding fit mode, the telescopic shaft rod can extend up and down in the round hole at the top end of the cross beam, the bottom end of the telescopic shaft rod is hinged to the middle part of the cross rod through a hinge, so that the cross rod can swing at the bottom end of the telescopic shaft rod, a water level monitoring cylinder is arranged at two ends of the cross rod and fixed through a suspension bracket, the inner wall of the round hole of the water level monitoring cylinder is provided with a floating floater, the floating floater upwards floats in the round hole of the water level monitoring cylinder through the buoyancy of water liquid to push an insulating shaft rod to jack up upwards, the floating floater at two ends of the cross rod synchronously pushes the cross rod to horizontally rise upwards, a varistor wire on the outer circular surface of the telescopic shaft rod is pushed to slide on the slip sheet, the slip sheet is moved to the other position of the varistor wire, and further the current and the voltage in a circuit are changed, and receiving the changed current and voltage in the circuit through a data receiving terminal so as to determine the height of the water level.
The variable resistance wire is wound on the surface of the telescopic shaft rod, the contact position between the sliding sheet and the variable resistance wire is changed, the height of the water level of water in a river channel is judged, and the data accuracy of real-time water level monitoring is improved.
The water level monitoring cylinders are arranged at the two ends of the cross rod, the middle part of the cross rod is hinged to the bottom end of the telescopic shaft rod, so that the cross rod can swing at the bottom end of the telescopic shaft rod, the water level of the water in the river channel is monitored in real time through the water level monitoring cylinders at the two sides, when the water surface of one side of the river channel generates waves, the drifting floater at one side of the cross rod is pushed to ascend and descend, and when the other side of the cross rod keeps stable or slightly floats, the pushing to the middle part of the cross rod can be reduced when the drifting floaters at the two ends of the cross rod do not ascend and descend synchronously, so that the moving distance of the sliding sheet on the surface of the rheostatic wire is reduced, the error of the real-time water level monitoring alarm system for measuring the water level in the river channel is reduced, and the accuracy of water level monitoring is improved.
And fifthly, the insulating shaft rods are connected between the two ends of the cross rod and the floating floater and extend into the water liquid of the river channel through the insulating shaft rods, so that the current on the surfaces of the telescopic shaft rods and the rheostatic wires is prevented from being led into the water liquid of the river channel, and the safety of the real-time monitoring and alarming system in monitoring the water liquid level in the river channel is further improved.
According to the invention, the scraper knife with the annular structure is arranged on the bottom surface of the floating floater embedded in the circular hole of the water level monitoring cylinder, the scraper knife is arranged at the edge of the floating floater on the bottom surface of the floating floater, and the outer circular surface of the scraper knife arranged at the edge of the floating floater is in sliding contact with the inner wall of the circular hole of the water level monitoring cylinder, so that after the water level of the river channel is lowered, the floating floater moves downwards on the inner wall of the circular hole of the water level monitoring cylinder to scrape off river dirt adhered to the inner wall of the circular hole, and the cleanliness of the surface of the inner wall of the circular hole of the water level monitoring cylinder is further improved.
According to the invention, the side filter screens are arranged in the water inlet holes of the water level monitoring cylinder, so that dirt flowing in a river channel is filtered through the side filter screens, and then the dirt is prevented from entering the round holes of the water level monitoring cylinder and affecting the floating characteristic of the floating floater.
Eighthly, the invention arranges a limit alarm monitoring device on the inner wall of the round hole of the water level monitoring cylinder, the limit alarm monitoring device comprises a plurality of infrared laser transmitting terminals, a plurality of wading infrared receiving terminals and a spring plate supporting component, the infrared laser transmitting terminals are arranged, the infrared laser transmitting terminals and the wading infrared receiving terminals are in one-to-one correspondence on the inner wall of the round hole of the water level monitoring cylinder, when the infrared laser transmitting terminals irradiate the wading infrared receiving terminals in real time, the water level in a river channel does not reach an alarm threshold value, when a floating floater ascends in the river channel, the spring plate supporting component is pushed to move, the irradiation between the infrared laser transmitting terminals and the wading infrared receiving terminals is cut off, data is fed back to the data receiving terminals through the infrared laser transmitting terminals, signals are received through the data receiving terminals, and the received signals are fed back to the data processing unit to process the data, the data processing unit sends the data transmission unit according to the processed data, the data transmission unit sends the alarm terminal module according to the received data instruction, and the alarm terminal module sends the alarm instruction, so that the height of the water level of the river channel water liquid can be conveniently and remotely perceived by workers, further effective treatment measures can be taken for the water level of the water liquid in the river channel, the control of the water level in the river channel is improved, the accuracy of manual water level supervision is improved, and the labor of manual supervision is reduced.
The V-shaped elastic sheet is arranged in the elastic sheet supporting component and has extensibility, when the floating floater floats upwards on the inner wall of the round hole of the water level monitoring cylinder, the two ends of the V-shaped elastic sheet are pushed to extend towards the two ends of the sliding chute, resistance of the floating floater in the water level monitoring cylinder during rising is reduced, when the water level in a river channel drops, the V-shaped elastic sheet returns to an original installation state again through the elastic pushing of the toughness of the V-shaped elastic sheet and the elasticity of the spring, and elastic supporting is carried out on the horizontal supporting plate, so that the connection reliability of the infrared receiving terminal involved in water and the infrared laser transmitting terminal is further improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a real-time water level monitoring and alarming system installed in a river channel according to the present invention;
FIG. 2 is a schematic front view of the water level monitoring cylinder according to the present invention;
FIG. 3 is a schematic view of the front side structure of the water level monitoring cylinder with the side filter screen installed in the water inlet hole;
FIG. 4 is a schematic sectional view of the water level monitoring cylinder according to the present invention;
FIG. 5 is a schematic cross-sectional view of the V-shaped spring installed in the abdicating groove;
FIG. 6 is a schematic view of the top view structure of the infrared receiving terminal for wading in the water level monitoring cylinder;
FIG. 7 is a schematic perspective sectional view of the water level monitoring cylinder according to the present invention;
FIG. 8 is a schematic top view of the sliding blade of the present invention slidably engaged with a variable resistance wire wound around the surface of the shaft;
FIG. 9 is an enlarged view of a portion of FIG. 5 taken at A in the present specification;
FIG. 10 is a logic circuit diagram of the water level real-time monitoring alarm system of the present invention;
in the figure: 1. the device comprises a cross beam, 2, a solar cell, 3, a transformer, 4, a cable, 5, a telescopic shaft rod, 6, a resistance variable wire, 7, a slide sheet, 8, a data receiving terminal, 9, a data processing unit, 10, a data transmission unit, 11, an alarm terminal module, 12, a suspension bracket, 13, a water level monitoring cylinder, 1301, a floating floater, 1302, an insulating shaft rod, 1303, a water inlet hole, 1304, a side filter screen, 1305, a shovel blade, 1306, an infrared laser emission terminal, 1307, an infrared receiving terminal involved in water, 1308, a spring sheet supporting component, 1309, a abdicating groove, 1310, a sliding groove, 1311, a walking roller, 1312, an arc spring, 1313, a horizontal support plate, 1314, a support plate abdicating groove, 1315, a V-shaped spring sheet, 1316, a spring, 1317, a hinge, 1318, a bottom filter screen, 1319, a cross rod, 14 and a limiting alarm monitoring device.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
Please refer to fig. 1-10, which are schematic diagrams of an overall structure of a real-time water level monitoring and alarming system based on the internet of things;
a water level real-time monitoring and alarming system based on the Internet of things is applied to a river channel and is used for monitoring the water level of water liquid flowing in the river channel in real time, and comprises cross beams 1 crossing two banks of the river channel, wherein the cross beams 1 are horizontally arranged, the middle parts of the top ends of the cross beams 1 are provided with through round holes, cylindrical telescopic shaft levers 5 capable of sliding up and down are embedded into the round holes at the top ends of the cross beams 1 in a sliding fit mode, a plurality of water level monitoring cylinders 13 are arranged at the bottom ends of the telescopic shaft levers 5 embedded into the round holes of the cross beams 1, the plurality of water level monitoring cylinders 13 transversely extend into the water liquid of the river channel side by side, and the water level of the water liquid flowing in the river channel is detected at multiple points through the plurality of water level monitoring;
the variable resistance wire 6 is wound on the outer circular surface of the telescopic shaft lever 5 embedded in the circular hole of the cross beam 1, a slip sheet 7 with a U-shaped structure is fixedly mounted at the top end of the cross beam 1 close to the periphery of the telescopic shaft lever 5, the slip sheet 7 close to the periphery of the telescopic shaft lever 5 is in sliding connection with the surface of the variable resistance wire 6 on the outer circular surface of the telescopic shaft lever 5, the slip sheet 7 is connected to a data receiving terminal 8 through a wire, the other end of the data receiving terminal 8 is connected to a data processing unit 9 through a wire, the data processing unit 9 is connected to a data transmission unit 10 through a wire, and the data transmission unit 10 is connected to an alarm terminal module 11 through a wire;
specifically, the top end of the beam 1 is provided with a through circular hole, the circular hole at the top end of the beam 1 is embedded with a telescopic shaft rod 5 capable of sliding up and down in a sliding fit manner, the telescopic shaft rod 5 can extend up and down in the circular hole at the top end of the beam 1, the bottom end of the telescopic shaft rod 5 is hinged to the middle of a cross rod 1319 through a hinge 1317, so that the cross rod 1319 can swing at the bottom end of the telescopic shaft rod 5, water level monitoring cylinders 13 are arranged at two ends of the cross rod 1319 and are fixed through suspension brackets 12, a floating floater 1301 is arranged on the inner wall of the circular hole of the water level monitoring cylinder 13, the floating floater 1301 floats upwards in the circular hole of the water level monitoring cylinder 13 through the buoyancy of water, the insulating shaft rod 1302 is pushed to jack up, the floating floater 1301 at two ends of the cross rod 1319 synchronously pushes the cross rod 1319 to rise horizontally and upwards, the varistor wire 6 on the outer circular surface of the telescopic shaft, and then the current and voltage in the circuit are changed, and the changed current and voltage in the circuit are received through the data receiving terminal 8, so that the height of the water level is determined.
The top end of the beam 1 is fixedly provided with a solar cell 2, the output end of the solar cell 2 is provided with a transformer 3, and the transformer 3 is fixedly connected with a resistance-variable wire 6 on a telescopic shaft lever 5 through a cable 4. According to the invention, the cross beams 1 span two banks of the river channel, so that the cross beams 1 are horizontally arranged, the cross beams 1 are used for suspending a plurality of water level monitoring cylinders 13, the water level height of water in the river channel is measured in multiple points in real time, and the accuracy of measuring the water level of the water in the river channel is further improved.
The current and the voltage of the solar cell 2 are adjusted to be proper by the solar cell 2 through the transformer 3, so that the normal work of the varistor wires is ensured.
The data receiving terminal 8 is a macro-phone type H7710, receives data by using 4G mobile network data, receives data by using a communication wire or a communication cable, belongs to an industrial-grade DTU, and is embedded with multiple protocols such as PPP, TCP/IP, and DDP, thereby realizing remote transparent data communication from user equipment to a data center;
the data processing unit 9 is a data processing chinese programming protocol converter transparent transmission centralized management with a model number KGC5 under the brand of the information department, 5-way independent serial port 232 expansion module, and uses 3.0 kernel programming software, specific baud rate: the baud rate of receiving and sending data by the same data port is the same, different data ports can be set with different baud rates, the baud rates support 1200, 2400, 48009600 (default), 19200, 38400, 57600, 115200, and the product purpose is as follows: data terminal processing, bus expansion, transparent transmission and protocol conversion, and is convenient for integrating products of a plurality of manufacturers on the market and carrying out centralized management and control.
The data transmission unit 10 is an APC220 module, which is a highly integrated half-duplex micropower wireless data transmission module embedded in a high-speed single chip and a high-performance rf chip ADF 7020-1. The high-efficiency cyclic interleaving error correction and detection coding is adopted, the anti-interference and sensitivity are greatly improved, 24bits continuous burst errors can be corrected to the maximum extent, the APC220 module provides selection of a plurality of channels, and various parameters such as serial port rate, transmitting power, radio frequency rate and the like can be modified on line.
Wherein, the alarm terminal module 11 is any one of the integrated circuit modules sold in the market, and an alarm lamp and an alarm sound can be integrated on the module, thereby being convenient for surrounding people to find the alarm information of the alarm terminal module 11,
in addition, the infrared laser emitting terminal 1306 and the wading infrared receiving terminal 1307 are commercially available infrared correlation detectors with the brand of ZJA-LA500 of perimeter security manufacturers.
Specifically, the invention arranges a limit alarm monitoring device 14 on the inner wall of a round hole of a water level monitoring cylinder 13, the limit alarm monitoring device 14 comprises an infrared laser transmitting terminal 1306, a wading infrared receiving terminal 1307 and a shrapnel supporting component 1308, the infrared laser transmitting terminal 1306 is provided with a plurality of infrared laser transmitting terminals 1306, the infrared laser transmitting terminals 1306 and the wading infrared receiving terminals 1307 are in one-to-one correspondence on the inner wall of the round hole of the water level monitoring cylinder 13, when the wading infrared receiving terminal 1307 is irradiated by the infrared laser transmitting terminal 1306 in real time, the water level in a river channel is not reached to an alarm threshold value, when a floating floater 1301 rises upwards in the river channel, the shrapnel supporting component 1308 is pushed to move, the irradiation between the infrared laser transmitting terminal 1306 and the wading infrared receiving terminal 1307 is cut off, data is fed back to a data receiving terminal 8 through the infrared laser transmitting terminal 1306, signals are received by the data receiving terminal 8, the received signals are fed back to the data processing unit 9 to process the data, the data processing unit 9 sends the processed data to the data transmission unit 10 according to the processed data, the data transmission unit 10 sends the received data instructions to the alarm terminal module 11, and the alarm terminal module 11 sends the alarm instructions, so that the height of the water level of the river channel can be conveniently and remotely perceived by workers, further effective treatment measures can be further taken for the water level of the water in the river channel, the control of the water level in the river channel is improved, the accuracy of manual water level supervision is improved, and the labor of manual supervision is reduced.
Specifically, the variable resistance wire 6 is wound on the surface of the telescopic shaft lever 5, the contact position between the sliding sheet 7 and the variable resistance wire 6 is changed, the water level of water in a river channel is judged, and the data accuracy of real-time water level monitoring is improved.
Specifically, the water level monitoring cylinders 13 are arranged at the two ends of the cross rod 1319, the middle part of the cross rod 1319 is hinged to the bottom end of the telescopic shaft 5, the cross rod 1319 can swing at the bottom end of the telescopic shaft 5, the water level in a river channel is monitored in real time through the water level monitoring cylinders 13 at the two sides, when the water level surface of one side of the river channel generates waves, the floating floater 1301 at one side of the cross rod 1319 is pushed to ascend and descend, when the other side of the cross rod 1319 keeps stable or slightly floats, when the floating floaters 1301 at the two ends of the cross rod 1319 do not ascend and descend synchronously, pushing to the middle part of the cross rod 1319 can be reduced, so that the moving distance of the sliding sheet 7 on the surface of the variable resistance wire 6 is reduced, errors of a real-time water level monitoring alarm system for measuring the water level data in the river channel are reduced, and the accuracy of water level monitoring is improved.
The water level monitoring cylinders 13 are arranged below the cross beam 1, the top end of each water level monitoring cylinder 13 arranged below the cross beam 1 is fixedly provided with a suspension bracket 12, the top end of each suspension bracket 12 is fixed on the cross beam 1, the bottom end of the telescopic shaft lever 5 embedded in the round hole of the cross beam 1 is provided with a hinge 1317, the bottom end of the telescopic shaft lever 5 embedded in the round hole of the cross beam 1 is hinged to the middle of the cross rod 1319 through the hinge 1317, and the water level monitoring cylinders 13 are arranged below two ends of the cross rod 1319;
specifically, the insulating shaft rod 1302 is arranged between the two ends of the cross rod 1319 and the floating floater 1301 in a connected mode, the insulating shaft rod 1302 extends into the water liquid of the river channel, the currents on the surfaces of the telescopic shaft rod 5 and the resistance variable wire 6 are prevented from being led into the water liquid of the river channel, and therefore the safety of the real-time monitoring and alarming system in the river channel when the water liquid level is monitored is further improved.
The water level monitoring cylinder 13 comprises a floating floater 1301, an insulating shaft rod 1302, water inlet holes 1303, a cross rod 1319, the water level monitoring cylinder 13 is of a cylinder structure with a round hole inner wall arranged at the middle part, a plurality of water inlet holes 1303 penetrating through the round hole inner wall are formed in the outer circular surface of the water level monitoring cylinder 13 at equal intervals, each water inlet hole 1303 is formed into a long hole, water liquid in a river channel conveniently flows into the water level monitoring cylinder 13, the round hole inner wall of the water level monitoring cylinder 13 is provided with a floating floater 1301 of a disc structure, the top end of the floating floater 1301 is provided with the insulating shaft rod 1302 standing upright on the top end of the floating floater 1301, and the top end of the insulating shaft rod 1302 is fixedly connected to two ends of the cross rod 1319.
The bottom surface of the drifting floater 1301 embedded in the round hole of the water level monitoring cylinder 13 is provided with a scraper 1305 with an annular structure, the scraper 1305 is arranged at the edge of the drifting floater 1301 at the bottom surface of the drifting floater 1301, the outer circular surface of the scraper 1305 arranged at the edge of the drifting floater 1301 is in sliding contact with the inner wall of the round hole of the water level monitoring cylinder 13, and the inner wall surface of the scraper 1305 is a conical surface.
Specifically, according to the invention, the scraper 1305 with an annular structure is arranged on the bottom surface of the floating floater 1301 embedded in the circular hole of the water level monitoring cylinder 13, the scraper 1305 is arranged at the edge of the floating floater 1301 on the bottom surface of the floating floater 1301, and the outer circular surface of the scraper 1305 arranged at the edge of the floating floater 1301 is in sliding contact with the inner wall of the circular hole of the water level monitoring cylinder 13, so that after the water level of the river channel is lowered, river dirt adhered to the inner wall of the circular hole is removed by downward movement of the floating floater 1301 on the inner wall of the circular hole of the water level monitoring cylinder 13, and the cleanliness of the surface of the inner wall of the circular hole of the water level monitoring cylinder 13 is further improved.
The water level monitoring cylinder 13 further comprises a side filter screen 1304 disposed in each of the water inlet holes 1303, and a bottom filter screen 1318 disposed at the bottom of the water level monitoring cylinder 13.
Specifically, according to the invention, a side filter screen 1304 is arranged in each water inlet hole 1303 of the water level monitoring cylinder 13, dirt flowing in a river channel is filtered through the side filter screen 1304, and then the dirt enters into a round hole of the water level monitoring cylinder 13, so that the floating characteristic of the floating floater 1301 is reduced, the bottom filter screen 1318 is arranged at the bottom of the water level monitoring cylinder 13, the dirt on the bottom surface of the river channel is further reduced to enter into the water level monitoring cylinder 13, the dirt is removed through a scraper knife 1305 arranged at the edge of the bottom surface of the floating floater 1301, when the water level of the river channel is lowered or the device is removed, the floating floater 1301 moves downwards through gravity, the floating floater 1301 moves downwards on the inner wall of the round hole of the water level monitoring cylinder 13, the dirt adhered to the inner wall of the round hole is scraped, and the dirt is pushed to move towards the bottom of the round hole of the water level monitoring cylinder 13 through the floating floater 1301 moving downwards, the dirt in the water level monitoring cylinder 13 can be collected conveniently, and the cleaning simplicity of the dirt in the water level monitoring cylinder 13 is improved.
The inner wall of the round hole of the water level monitoring cylinder 13 is provided with a limit alarm monitoring device 14, the limit alarm monitoring device 14 is provided with an infrared laser emitting terminal 1306 and a wading infrared receiving terminal 1307, the infrared laser emission terminals 1306 are arranged on the top end of the inner wall of a circular hole of the water level monitoring cylinder 13 at equal intervals, the irradiation direction of each infrared laser emission terminal 1306 faces to the lower side, the infrared laser emission terminals 1306 are adjacent to each other, the infrared receiving terminals 1307 in the same number with the infrared laser emission terminals 1306 are arranged on the inner wall of the circular hole of the water level monitoring cylinder 13 at equal intervals, each infrared receiving terminal 1307 in the circular hole of the water level monitoring cylinder 13 corresponds to the infrared laser emission terminals 1306 one by one, the infrared laser emitted by the infrared laser emission terminals 1306 irradiates the infrared receiving terminals 1307 in the wading, and each infrared receiving terminal 1307 in the circular hole of the water level monitoring cylinder 13 is supported and fixed through the elastic piece supporting component 1308.
Specifically, the invention arranges a limit alarm monitoring device 14 on the inner wall of a round hole of a water level monitoring cylinder 13, the limit alarm monitoring device 14 comprises an infrared laser transmitting terminal 1306, a wading infrared receiving terminal 1307 and a shrapnel supporting component 1308, the infrared laser transmitting terminal 1306 is provided with a plurality of infrared laser transmitting terminals 1306, the infrared laser transmitting terminals 1306 and the wading infrared receiving terminals 1307 are in one-to-one correspondence on the inner wall of the round hole of the water level monitoring cylinder 13, when the wading infrared receiving terminal 1307 is irradiated by the infrared laser transmitting terminal 1306 in real time, the water level in a river channel is not reached to an alarm threshold value, when a floating floater 1301 rises upwards in the river channel, the shrapnel supporting component 1308 is pushed to move, the irradiation between the infrared laser transmitting terminal 1306 and the wading infrared receiving terminal 1307 is cut off, data is fed back to a data receiving terminal 8 through the infrared laser transmitting terminal 1306, signals are received by the data receiving terminal 8, the received signals are fed back to the data processing unit 9 to process the data, the data processing unit 9 sends the processed data to the data transmission unit 10 according to the processed data, the data transmission unit 10 sends the received data instructions to the alarm terminal module 11, and the alarm terminal module 11 sends the alarm instructions, so that the height of the water level of the river channel can be conveniently and remotely perceived by workers, further effective treatment measures can be further taken for the water level of the water in the river channel, the control of the water level in the river channel is improved, the accuracy of manual water level supervision is improved, and the labor of manual supervision is reduced.
Each elastic sheet supporting component 1308 comprises a stepping groove 1309 arranged on the inner wall of a circular hole of the water level monitoring cylinder 13, sliding grooves 1310 are symmetrically formed in two sides of two walls of the stepping groove 1309, a V-shaped elastic sheet 1315 is embedded in the stepping groove 1309, walking rollers 1311 are symmetrically arranged at two ends of the V-shaped elastic sheet 1315, the walking rollers 1311 at two ends of the V-shaped elastic sheet 1315 are embedded in the sliding grooves 1310 in a sliding fit mode, a spring 1316 is arranged in the middle of the V-shaped elastic sheet 1315 embedded in the stepping groove 1309, a support plate stepping groove 1314 is formed in the top side wall of the V-shaped elastic sheet 1315 facing the upper side of the water level monitoring cylinder 13, a horizontal support plate 1313 is hinged to one side of the support plate stepping groove 1314, the bottom of the horizontal support 1313 is supported through an arc-shaped spring 1312 to enable the horizontal support 1313 to be in a horizontal state when not extruded by external force, and the infrared water-related receiving terminal 1307 is fixedly arranged on the top end face of the horizontal support 1313.
Specifically, the V-shaped elastic sheet 1315 is arranged in the elastic sheet supporting component 1308, the V-shaped elastic sheet 1315 has extensibility, when the floating floater 1301 floats upwards on the inner wall of the circular hole of the water level monitoring cylinder 13, the two ends of the V-shaped elastic sheet 1315 are pushed to extend towards the two ends of the sliding groove 1310, resistance of the floating floater 1301 in rising in the water level monitoring cylinder 13 is reduced, when the water level in a river channel drops, and after the floating floater 1301 drops in water level monitoring, the V-shaped elastic sheet 1315 returns to an original installation state again through the flexibility of the V-shaped elastic sheet 1315 and the elasticity of the spring 1316, and supports the horizontal supporting plate 1313, so that the connection reliability of the wading infrared receiving terminal 1307 and the infrared laser transmitting terminal 1306 is further improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A water level real-time monitoring and alarming system based on the Internet of things is applied to a river channel and is used for monitoring the water level of water liquid flowing in the river channel in real time, and is characterized in that the water level real-time monitoring and alarming system based on the Internet of things comprises cross beams stretching across two banks of the river channel, the cross beams are horizontally arranged, through round holes are formed in the middle of the top ends of the cross beams, telescopic shaft levers capable of sliding up and down are embedded into the round holes in the top ends of the cross beams in a sliding fit mode, a plurality of water level monitoring cylinders are arranged at the bottom ends of the telescopic shaft levers embedded into the round holes in the cross beams, the water level monitoring cylinders transversely extend into the water liquid of the river channel side by side, and the water level of the water liquid flowing in the river channel is detected at multiple points through the water level monitoring cylinders;
the variable resistance wire is wound on the outer circular surface of the telescopic shaft rod embedded in the circular hole of the cross beam, a slip sheet with a U-shaped structure is fixedly mounted at the top end of the cross beam close to the periphery of the telescopic shaft rod, the slip sheet close to the periphery of the telescopic shaft rod is in sliding connection with the surface of the variable resistance wire on the outer circular surface of the telescopic shaft rod, the slip sheet is connected to a data receiving terminal through a wire, the other end of the data receiving terminal is connected to a data processing unit through a wire, the data processing unit is connected to a data transmission unit through a wire, and the data transmission unit is connected to an alarm terminal module through a wire;
the top end of the cross beam is fixedly provided with a solar cell, the output end of the solar cell is provided with a transformer, and the transformer is fixedly connected with a variable resistance wire on the telescopic shaft lever through a cable;
the water level monitoring cylinders are arranged below the cross beam, suspension supports are fixedly arranged at the top ends of the water level monitoring cylinders arranged below the cross beam, the top ends of the suspension supports are fixed on the cross beam, hinges are arranged at the bottom ends of the telescopic shaft levers embedded in the circular holes of the cross beam, the bottom ends of the telescopic shaft levers embedded in the circular holes of the cross beam are hinged to the middle of the cross rod through the hinges, and the water level monitoring cylinders are arranged below two ends of the cross rod;
the water level monitoring cylinder comprises a floating floater, an insulating shaft lever, water inlet holes and a cross bar, the water level monitoring cylinder is of a cylinder structure, the middle part of the water level monitoring cylinder is provided with a circular hole inner wall, the outer circular surface of the water level monitoring cylinder is provided with a plurality of water inlet holes penetrating through the circular hole inner wall at equal intervals, each water inlet hole is arranged to be a long hole, the circular hole inner wall of the water level monitoring cylinder is provided with the floating floater of a disc structure, the top end of the floating floater is provided with the insulating shaft lever standing upright at the top end of the floating floater, and the top end of the insulating shaft lever is fixedly connected to two ends of the cross bar;
the bottom surface of the floating floater embedded in the circular hole of the water level monitoring cylinder is provided with a scraper knife in an annular structure, the scraper knife is arranged at the edge of the floating floater on the bottom surface of the floating floater, the outer circular surface of the scraper knife arranged at the edge of the floating floater is in sliding contact with the inner wall of the circular hole of the water level monitoring cylinder, and the inner wall surface of the scraper knife is a conical surface;
the inner wall of the round hole of the water level monitoring cylinder is provided with a limit alarm monitoring device which is composed of an infrared laser transmitting terminal, a wading infrared receiving terminal and a spring plate supporting component, the infrared laser emission terminals are arranged in a plurality, the infrared laser emission terminals are arranged at the top end of the inner wall of the round hole of the water level monitoring cylinder at equal intervals, two adjacent infrared laser emission terminals are arranged, the inner wall of the round hole of the water level monitoring cylinder is provided with wading infrared receiving terminals with the same number as the infrared laser transmitting terminals at equal intervals, each wading infrared receiving terminal is in one-to-one correspondence with the infrared laser transmitting terminals on the inner wall of the round hole of the water level monitoring cylinder, infrared laser emitted by the infrared laser emitting terminal irradiates the wading infrared receiving terminals, and each wading infrared receiving terminal is supported and fixed on the inner wall of the round hole of the water level monitoring cylinder through the elastic piece supporting component.
2. The water level real-time monitoring and alarming system based on the Internet of things of claim 1, wherein the water level monitoring cylinder further comprises a side filter screen arranged in each water inlet hole and a bottom filter screen arranged at the bottom of the water level monitoring cylinder.
3. The real-time water level monitoring and alarming system based on the Internet of things as claimed in claim 1, it is characterized in that each spring plate supporting component comprises a yielding groove arranged on the inner wall of the round hole of the water level monitoring cylinder, the two sides of the two walls of the abdicating groove are symmetrically provided with sliding grooves, V-shaped elastic sheets are embedded in the abdicating groove, the two ends of the V-shaped elastic sheet are symmetrically provided with walking rollers, the walking rollers at the two ends of the V-shaped elastic sheet are embedded into the sliding groove in a sliding fit mode, the middle part of the V-shaped elastic sheet embedded into the abdicating groove is provided with a spring, a supporting plate abdicating groove is arranged on the top side wall of the V-shaped elastic sheet facing to the upper part of the water level monitoring cylinder, one side of the support plate abdicating groove is hinged with a horizontal support plate, the bottom of the horizontal support is supported by an arc-shaped spring to enable the horizontal support to be in a horizontal state when not extruded by external force, and the wading infrared receiving terminal is fixedly installed on the top end face of the horizontal support.
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| CN202010981880.0A CN112067085B (en) | 2020-09-17 | 2020-09-17 | Water level real-time supervision alarm system based on thing networking |
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| CN202010981880.0A CN112067085B (en) | 2020-09-17 | 2020-09-17 | Water level real-time supervision alarm system based on thing networking |
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| CN112067085B true CN112067085B (en) | 2021-08-03 |
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| CN206514920U (en) * | 2016-12-29 | 2017-09-22 | 林松 | river water level monitoring device |
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| CN208905846U (en) * | 2018-02-27 | 2019-05-28 | 皖南医学院第一附属医院（皖南医学院弋矶山医院） | A kind of anti-return monitoring, alarming suction sputum tank |
| CN210377786U (en) * | 2019-08-09 | 2020-04-21 | 江西凌格建设工程有限公司 | Water level rising alarm device for dam |
| CN210570931U (en) * | 2019-07-12 | 2020-05-19 | 瑞安市金谷汽摩配有限公司 | Vertical oil level sensor for automobile |
| CN211262402U (en) * | 2020-01-18 | 2020-08-14 | 唐河天弘化学品有限公司 | Nitric acid storage tank liquid level detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206514920U (en) * | 2016-12-29 | 2017-09-22 | 林松 | river water level monitoring device |
| CN208905846U (en) * | 2018-02-27 | 2019-05-28 | 皖南医学院第一附属医院（皖南医学院弋矶山医院） | A kind of anti-return monitoring, alarming suction sputum tank |
| CN108896135A (en) * | 2018-05-11 | 2018-11-27 | 张海廷 | A kind of reservoir level meter ball cock device |
| CN210570931U (en) * | 2019-07-12 | 2020-05-19 | 瑞安市金谷汽摩配有限公司 | Vertical oil level sensor for automobile |
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