CN112525266B - Monitoring device and monitoring method for hydraulic structure monitoring and early warning - Google Patents
Monitoring device and monitoring method for hydraulic structure monitoring and early warning Download PDFInfo
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- CN112525266B CN112525266B CN202011457729.3A CN202011457729A CN112525266B CN 112525266 B CN112525266 B CN 112525266B CN 202011457729 A CN202011457729 A CN 202011457729A CN 112525266 B CN112525266 B CN 112525266B
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Abstract
The invention discloses a monitoring device and a monitoring method for monitoring and early warning of a hydraulic structure, which comprises a body of the hydraulic structure, a water level monitoring part positioned on one side of the body, a temperature and humidity monitoring part positioned in the body and 60-80cm away from the bottom and transversely arranged in parallel with the surface of the body, and a seepage pressure monitoring part positioned above the temperature and humidity monitoring part and transversely arranged in the body in parallel with the surface of the body, wherein each monitoring part is connected with a signal acquisition box, and an audible and visual alarm is also arranged above the body.
Description
Technical Field
The invention relates to the technical field of hydraulic building monitoring, in particular to a monitoring device and a monitoring method for monitoring and early warning of a hydraulic building.
Background
The hydraulic structure comprises various dams, water gates, dikes and the like, and the working conditions of the hydraulic structure are very complex, so that once an abnormal state is found in the long-term operation process, the abnormal state needs to be found and processed in time, otherwise serious consequences can be caused. Safety monitoring is the most important work in hydraulic engineering management, and aims to analyze and evaluate the safety degree of a hydraulic structure so as to take measures in time and try to ensure the safe operation of the hydraulic structure. At present, a safety monitoring system of a hydraulic structure realizes semi-automation or automation, and the operation state and the change of the building are observed and measured by an instrument fixedly arranged at a relevant position of the hydraulic structure.
Commonly used monitoring projects mainly include deformation monitoring, seepage monitoring, stress strain monitoring, leakage monitoring, earthquake-proof monitoring, hidden danger monitoring, temperature monitoring and the like, and patent CN205038019U discloses a dam leakage-proof monitoring device which comprises a dam body and a monitoring system, wherein an anti-seepage slope is arranged on the dam body; the key points of the structure are as follows: an anti-corrosion layer is arranged on the surface of the anti-seepage slope, a concrete fixing layer is arranged on the lower portion of the anti-corrosion layer, a waterproof coiled material layer is arranged on the lower portion of the concrete fixing layer, and an anti-seepage body is arranged at the lower end of the dam body; the monitoring system is connected with a detector through a signal line, the detector is connected with a probe set, the probe set is completely inserted into an anti-seepage slope on the dam body, the anti-seepage monitoring system has the advantages of being good in anti-interference performance, stable in performance and accurate in detection result, but the monitoring range and the adaptability are not high, the monitoring result cannot be verified from other angles, and the hidden danger cause cannot be found.
Therefore, it is necessary to provide a monitoring device for a hydraulic structure, which can monitor various data of the structure in real time in 24 decimal places and automatically upload the data to a terminal management platform and a database, so as to ensure that the structure is in a safe and controlled state for a long time, and the monitoring device can overcome various adverse factors, so as to ensure the economic benefit of the structure to the maximum extent.
Disclosure of Invention
The invention provides a monitoring device and a monitoring method for hydraulic structure monitoring and early warning aiming at the existing problems.
The technical scheme of the invention is as follows: a monitoring device for monitoring and early warning of a hydraulic structure comprises a body of the hydraulic structure,
a water level monitoring part positioned at one side of the body, the water level monitoring part comprises an external sleeve, a water pipe is sleeved in the sleeve, a water level float capable of sliding up and down along the water pipe is arranged between the water pipe and the sleeve, a water pump is arranged at the bottom of the water pipe, the water level float is connected with a water level sensor at the top in the sleeve through a cable, the other end of the water pipe is connected with a sample collecting box at the bottom of the rainfall monitoring part positioned above the body,
the temperature and humidity monitoring part is positioned at the bottom in the body and transversely arranged in parallel with the body, the temperature and humidity monitoring part comprises a fixed pipe, a motor and a temperature and humidity meter, the fixed pipe is embedded in the body and plays a role of fixed support, a temperature and humidity sensor and a controller which are connected with the fixed pipe are arranged outside the motor, the motor is positioned at the starting end in the fixed pipe, the output end of the motor is connected with the temperature and humidity meter through a transmission rod,
be located warm and humid monitoring portion top and transversely be on a parallel with the body setting this internal osmotic pressure monitoring portion, be equipped with the osmometer that a plurality of groups are used for monitoring this internal different positions department osmotic pressure in osmotic pressure monitoring portion, the initiating terminal is equipped with pressure sensor in the osmotic pressure monitoring portion, pressure sensor one end with level sensor passes through cable conductor and connects, the other end with warm and humid sensor passes through cable conductor and connects.
Furthermore, the hydraulic building is a dam for retaining water or delivering water, the temperature and humidity monitoring part is 60-80cm away from the bottom of the body, and the osmotic pressure monitoring part is 30-50cm above the temperature and humidity monitoring part, so that the monitoring device can exert the best effect when being used for the hydraulic building.
Further, for stress-strain monitoring portion has been buried underground to body one side of water level monitoring portion, the body upper surface is equipped with surface displacement monitoring portion, more scientific and reasonable's monitoring hydraulic structure's operation, water level monitoring portion, warm and humid monitoring portion, osmotic pressure monitoring portion, stress-strain monitoring portion and surface displacement monitoring portion all through the cable conductor with signal acquisition box connects, can carry out real-time feedback observation to the data of monitoring.
Further, be equipped with a plurality of through-holes on the fixed pipe, correspond the fixed intraductal wall between every two sets of osmometers and be equipped with the water shield, the water shield is annular gasbag and can make the temperature hygrometer pass through, can reduce the influence each other between the different positions at the in-process of monitoring, improves the monitoring precision.
Further, the body upper surface is equipped with branch, branch upper end one side is equipped with the solar panel that is used for providing the electric energy for every monitoring division, and branch upper end opposite side is equipped with the camera, be equipped with audible-visual annunciator on the branch of camera below, audible-visual annunciator passes through the controller and is connected with the sensor of each monitoring division, can carry out the early warning to the abnormal conditions, can follow the suggestion that the terminal was on-the-spot through audible-visual annunciator camera homoenergetic.
Further, be equipped with a plurality of holes of permeating water on the sleeve, be equipped with the filter screen on the sleeve of the hole department of permeating water, the outer circumference of water level cursory is equipped with the scraper that is used for striking off filter screen rubbish, the water pump is equipped with the trembler with the junction of water pipe, drives the trembler vibration when water pump during operation to drive the water pipe vibration, be used for preventing that the water level cursory is blocked, prevent it from blocking by the plug when making the water level cursory monitoring water level more accurate, also prevent that debris from causing equipment damage in getting into electrical equipment such as water pump.
Furthermore, a rain gauge is arranged at the upper part in the rain monitoring part, a rain sensor is arranged between the rain gauge and the sample collection box, and the rain sensor is respectively connected with the temperature and humidity sensor and the pressure sensor. The monitoring process can be changed by sensing the rainfall, so that the influence of the rainfall on the running state of the hydraulic structure can be analyzed.
Furthermore, a steel plate protective cover is arranged at the top of the osmotic pressure monitoring part, two sides of the steel plate protective cover are fixedly connected with the osmotic pressure monitoring part through bolts, the setting distance between every two adjacent groups of osmometers is 40-60cm, each group of osmometers is connected in series through a piezometer tube positioned in the center of the osmotic pressure monitoring part, each group of osmometers is respectively connected with a pressure sensor through a cable, a fine sand section is filled in the osmotic pressure monitoring part around each group of osmometers, a bentonite section is filled in the osmotic pressure monitoring part around the piezometer tube, a shielding cable is arranged between the two adjacent groups of osmometers, the improved osmotic pressure monitoring part can reflect the osmotic pressure conditions of different parts in the hydraulic building, the distance between the osmotic pressure monitoring part and the temperature and humidity monitoring part can achieve the effect of interaction without influencing the stability of the internal structure of the hydraulic building, and simultaneously, the water level is combined, The temperature and rainfall were further analyzed.
The monitoring method for monitoring by applying the monitoring device for monitoring and early warning of the hydraulic structure comprises the following steps:
the method comprises the following steps: the method comprises the following steps of arranging a water level monitoring part on one side of the upstream of a body, drilling holes at corresponding positions on the body by using a drill bit, arranging a temperature and humidity monitoring part and an osmotic pressure monitoring part, arranging a temperature and humidity meter in the temperature and humidity monitoring part, arranging an osmotic pressure meter at a specified position in the osmotic pressure monitoring part, arranging a stress strain monitoring part, a surface displacement monitoring part and a signal acquisition box, and connecting each monitoring part with the signal acquisition box through a cable;
step two: monitoring the water level by a water level float, pumping water once at intervals by a water pump, conveying the pumped water to a sample collection box through a water pipe, and collecting and inspecting by workers;
step three: the osmometers at different positions in the body are monitored through each group of osmometers, the pressure sensors receive signals of the water level sensors, determine the water level when abnormal pressure occurs, transmit monitoring signals to the temperature and humidity sensors through the pressure sensors, the temperature and humidity sensors determine the positions of the temperature and the humidity in the body to be measured through the abnormal pressure positions after receiving the signals, then transmit the signals to the controller, and the controller controls the motor to drive the temperature and humidity meter to move to a specified position;
step four: and the signal acquisition box receives the data collected by each monitoring part and uploads the data to the terminal management platform and the database.
Further, the fourth step further includes: when the rainfall monitored by the rainfall monitoring part is too large, the rainfall sensor transmits a signal to the pressure sensor, so that the pressure sensor reduces the minimum value of a triggering alarm signal of the osmometer, meanwhile, the rainfall sensor transmits the signal to the temperature and humidity sensor, the temperature and humidity sensor transmits the signal to the controller, the controller controls the motor to drive the temperature and humidity meter to reciprocate along the transmission rod to dynamically monitor the temperature and humidity, and the monitoring of the temperature and humidity of each part inside the hydraulic building body is enhanced by the temperature and humidity sensor when the rainfall is too large.
The invention has the beneficial effects that:
(1) the invention can monitor the hydraulic structure for 24 hours, monitor various indexes of water level, internal temperature and humidity, osmotic pressure, displacement, stress strain and the like of the hydraulic structure in real time, upload the monitored data, ensure that the hydraulic structure is in a safe state for a long time and have certain economic benefit.
(2) The seepage pressure monitoring part can control the part monitored by the temperature and humidity monitoring part after the current abnormal pressure position is determined, and the abnormal pressure position is monitored in a key way, so that the monitoring work is more targeted, and the safety of the hydraulic structure is further improved.
(3) The water level monitoring part provided by the invention can be used for periodically extracting a water sample and monitoring the water temperature, and is convenient for workers to sample and inspect.
(4) The rainfall monitoring part provided by the invention can analyze the rainfall, and when the rainfall is too large, the seepage pressure monitoring part is controlled to reduce the minimum value of the alarm signal triggered by the seepage pressure meter, so that the safety is improved, the monitoring on the temperature and the humidity in the hydraulic structure is enhanced, and whether the rainfall influences the interior of the hydraulic structure body or not can be judged.
Drawings
FIG. 1 is a schematic view of the overall external structure of the apparatus of the present invention;
FIG. 2 is a side view of the internal overall structure of the apparatus of the present invention;
FIG. 3 is a bottom view of the device of the present invention and a schematic view of the structure of the water level monitoring part;
FIG. 4 is a front view of the internal overall structure of the device of the present invention;
FIG. 5 is a schematic view of the internal structure of the osmotic pressure monitoring unit of the apparatus of the present invention;
FIG. 6 is a schematic view of the internal structure of the rainfall monitoring section of the device of the present invention;
FIG. 7 is a schematic diagram of the water level float structure of the device of the present invention;
FIG. 8 is a system block diagram of the method of the present invention.
Wherein, 1-a body, 11-a support rod, 12-a solar panel, 13-a camera, 14-an audible and visual alarm, 2-a water level monitoring part, 21-a sleeve, 211-a water permeable hole, 22-a water pipe, 23-a water level float, 231-a scraper, 24-a water pump, 25-a water level sensor, 26-a vibrating reed, 3-a temperature and humidity monitoring part, 31-a fixed pipe, 32-a motor, 33-a temperature and humidity meter, 34-a transmission rod, 35-a temperature and humidity sensor, 36-a controller, 37-a water insulation cover, 4-an osmotic pressure monitoring part, 41-an osmotic pressure meter, 42-a pressure sensor, 43-a steel plate protective cover, 44-a pressure measuring pipe, 45-a fine sand section, 46-a bentonite section, 47-a shielding cable, 5-stress strain monitoring part, 6-surface displacement monitoring part, 7-signal collection box, 8-rainfall monitoring part, 81-sample collection box, 82-rainfall sensor and 83-rain gauge.
Detailed Description
Example 1
As shown in fig. 1, a monitoring device for monitoring and early warning of a hydraulic structure, the hydraulic structure is a dam for retaining water or delivering water, specifically a concrete dam or an earth dam, the monitoring device comprises a body 1 of the hydraulic structure, a support rod 11 is arranged on the upper surface of the body 1, a solar panel 12 for providing electric energy for each monitoring part is arranged on one side of the upper end of the support rod 11, the solar panel 12 is a commercially available solar panel, a camera 13 is arranged on the other side of the upper end of the support rod 11, the camera 13 is a commercially available AK-NH9000s high-definition camera, an audible and visual alarm 14 is arranged on the support rod 11 below the camera 13, the audible and visual alarm 14 is a commercially available TGSG-01T audible and visual alarm, and the audible and visual alarm 14 is connected with sensors of each monitoring part through a controller.
As shown in fig. 2, 3, 6 and 7, the water level monitoring part 2 is located at one side of the body 1, the water level monitoring part 2 comprises an external sleeve 21, a water pipe 22 is sleeved in the sleeve 21, a water level float 23 capable of sliding up and down along the water pipe 22 is arranged between the water pipe 22 and the sleeve 21, a water pump 24 is arranged at the bottom of the water pipe 22, the water level float 23 is connected with a water level sensor 25 at the top of the sleeve 21 through a cable, the water level sensor 25 is a TUF2000 type ultrasonic flow sensor sold in the market, a plurality of water permeable holes 211 are arranged on the sleeve 21 at the positions of the water permeable holes 211, a scraper 231 for scraping off the garbage in the filter screen is arranged at the outer circumference of the water level float 23, a vibrating reed 26 is arranged at the connection position of the water pump 24 and the water pipe 22, the vibrating reed 26 is driven by the water pump 24 to vibrate, the water pipe 22 is driven to prevent the water level float 23 from being blocked, the other end of the water pipe 22 is connected with a sample collection box 81 at the bottom of the rainfall monitoring part 8 located above the body 1, the upper part in the rainfall monitoring part 8 is provided with a rain gauge 83, the rain gauge 83 is a MAS-YL rain gauge sold in the market, a rainfall sensor 82 is arranged between the rain gauge 83 and the sample collection box 81, and the rainfall sensor 82 is respectively connected with the temperature and humidity sensor 35 and the pressure sensor 42.
As shown in fig. 1-5, the temperature and humidity monitoring portion 3 is located in the body 1 and is 60cm away from the bottom and is transversely parallel to the body 1, the temperature and humidity monitoring portion 3 includes a fixed pipe 31, a motor 32 and a temperature and humidity meter 33, the fixed pipe 31 is embedded in the body 1 and plays a role of fixed support, a temperature and humidity sensor 35 and a controller 36 connected with the motor 32 are arranged outside the motor 32, the motor 32 is located at the starting end in the fixed pipe 31, the output end of the motor 32 is connected with the temperature and humidity meter 33 through a transmission rod 34, and the temperature and humidity sensor 35 is a commercially available SHT20 temperature and humidity sensor.
As shown in fig. 2, 4 and 5, an osmometer monitoring part 4 located 30cm above the temperature and humidity monitoring part 3 and transversely arranged in parallel with the body 1 in the body 1, a plurality of groups of osmometers 41 for monitoring the osmometer at different positions in the body 1 are arranged in the osmometer monitoring part 4, the osmometer 41 is a commercially available 9500 osmometer, a pressure sensor 42 is arranged at the starting end in the osmometer monitoring part 4, one end of the pressure sensor 42 is connected with the water level sensor 25 through a cable, the other end of the pressure sensor is connected with the temperature and humidity sensor 35 through a cable, a steel plate protective cover 43 is arranged at the top of the osmometer monitoring part 4, two sides of the steel plate protective cover 43 are fixedly connected with the osmometer monitoring part 4 through bolts, the arrangement interval between two adjacent groups of the osmometers 41 is 40cm, each group of the osmometer osmometers 41 is connected in series through a measuring 44 located at the center of the osmometer monitoring part 4, and each group of the osmometer 41 is respectively connected with the pressure sensor 42 through a cable, the fine sand section 45 is filled in the osmotic pressure monitoring part 4 around each group of osmometers 41, the bentonite section 46 is filled in the osmotic pressure monitoring part 4 around the piezometer tube 44, and a shielding cable 47 is arranged between two adjacent groups of osmometers 41.
As shown in fig. 1 and 2, a stress-strain monitoring part 5 is buried in one side of a body 1 of a water level monitoring part 2, the stress-strain monitoring part 5 is a commercially available RSM buried stressometer, a surface displacement monitoring part 6 is arranged on the upper surface of the body 1, the surface displacement monitoring part 6 is a commercially available GNSS receiver, and the water level monitoring part 2, the temperature and humidity monitoring part 3, the osmotic pressure monitoring part 4, the stress-strain monitoring part 5 and the surface displacement monitoring part 6 are all connected with a signal acquisition box 7 through cables.
As shown in fig. 1 to 4 and 8, the monitoring method and the working principle of the monitoring device for monitoring and early warning of the hydraulic structure are as follows:
the method comprises the following steps: the length of a body 1 of a hydraulic building is 15.6m, the height of the body is 2.9m, a water level monitoring part 2 is arranged on one side of the upstream of the body 1, a drill bit is used for drilling holes 60cm away from the bottom of the body 1 and arranging a temperature and humidity monitoring part 3, an osmotic pressure monitoring part 4 is arranged 30cm above the temperature and humidity monitoring part 3, a temperature and humidity meter 33 is placed in the temperature and humidity monitoring part 3, an osmotic pressure meter 41 is arranged in the osmotic pressure monitoring part 4 at intervals of 40cm in groups, a stress strain monitoring part 5, a surface displacement monitoring part 6 and a signal acquisition box 7 are arranged, and each monitoring part is connected with the signal acquisition box 7 through a cable;
step two: the water level is monitored by the water level float 23, meanwhile, sundries on a filter screen of the water permeable hole 211 can be removed by a scraper 231 on the water level float 23, the water pump 24 is started once every 6 hours, water is conveyed into the sample collection box 81 through the water pipe 22, and workers can take samples and send the samples for inspection conveniently;
step three: the osmometers at different positions in the body 1 are monitored by each group of osmometers 41, the pressure sensor 42 receives a signal of the water level sensor 25, the water level when abnormal pressure occurs is determined, the monitoring signal is transmitted to the temperature and humidity sensor 35 through the pressure sensor 42, the temperature and humidity sensor 35 determines the position of the temperature and humidity in the body 1 to be measured through the abnormal position of the pressure after receiving the signal, then the signal is transmitted to the controller 36, and the controller 36 controls the motor 32 to drive the temperature and humidity meter 33 to move to the position where the pressure is abnormal;
step four: the signal acquisition box 7 receives the data collected by each monitoring part and uploads the data to a terminal management platform and a database, when the water level monitored by the water level monitoring part 2 is higher than 2/3 of the water level monitoring part 2, the water level sensor 25 transmits a signal to the audible and visual alarm 14 and triggers alarm, when the humidity of the position monitored by the temperature and humidity monitoring part 3 is higher than 70%, the temperature and humidity sensor 35 transmits a signal to the audible and visual alarm 14 and triggers alarm, and when the internal osmotic pressure of the body 1 monitored by the osmotic pressure monitoring part 4 is higher than 1MPa, the pressure sensor 42 transmits a signal to the audible and visual alarm 14 and triggers alarm.
Example 2
This embodiment is basically the same as embodiment 1, except for monitoring the amount of rainfall:
the fourth step also comprises: when the rainfall monitored by the rainfall monitoring part 8 is more than 30mm, the rainfall sensor 82 transmits a signal to the pressure sensor 42, so that the pressure sensor 42 reduces the alarm signal value triggered by the osmometer 41 from 1MPa to 0.7MPa, meanwhile, the rainfall sensor 82 transmits a signal to the temperature and humidity sensor 35, the temperature and humidity sensor 35 transmits a signal to the controller 36, the controller 36 controls the motor 32 to drive the temperature and humidity meter 33 to reciprocate along the transmission rod 34 to dynamically monitor the temperature and the humidity, and the temperature and humidity monitoring of all parts in the hydraulic building body is enhanced.
Example 3
This embodiment is substantially the same as embodiment 2, except that the positions of the temperature and humidity monitoring part 3 and the osmotic pressure monitoring part 4 are adjusted according to the length and height of the body 1:
the method comprises the following steps: the length of a body 1 of a hydraulic building is 23.8m, the height of the body is 3.4mm, a water level monitoring part 2 is arranged on one side of the upstream of the body 1, a drill bit is used for drilling holes 72cm away from the bottom of the body 1 and arranging a temperature and humidity monitoring part 3, an osmotic pressure monitoring part 4 is arranged 40cm above the temperature and humidity monitoring part 3, a temperature and humidity meter 33 is put into the temperature and humidity monitoring part 3, an osmotic pressure meter 41 is arranged in the osmotic pressure monitoring part 4 at a group of intervals of 50cm, a stress strain monitoring part 5, a surface displacement monitoring part 6 and a signal acquisition box 7 are arranged, and each monitoring part is connected with the signal acquisition box 7 through a cable;
step four: the signal acquisition box 7 receives the data collected by each monitoring part and uploads the data to a terminal management platform and a database, when the water level monitored by the water level monitoring part 2 is higher than 2/3 of the water level monitoring part 2, the water level sensor 25 transmits a signal to the audible and visual alarm 14 and triggers alarm, when the humidity of the position monitored by the temperature and humidity monitoring part 3 is higher than 65%, the temperature and humidity sensor 35 transmits a signal to the audible and visual alarm 14 and triggers alarm, and when the internal osmotic pressure of the body 1 monitored by the osmotic pressure monitoring part 4 is higher than 1.5MPa, the pressure sensor 42 transmits a signal to the audible and visual alarm 14 and triggers alarm.
The fourth step also comprises: when the rainfall monitored by the rainfall monitoring part 8 is more than 40mm, the rainfall sensor 82 transmits a signal to the pressure sensor 42, so that the pressure sensor 42 reduces the alarm signal value triggered by the osmometer 41 from 1.5MPa to 1MPa, meanwhile, the rainfall sensor 82 transmits a signal to the temperature and humidity sensor 35, the temperature and humidity sensor 35 transmits a signal to the controller 36, the controller 36 controls the motor 32 to drive the temperature and humidity meter 33 to reciprocate along the transmission rod 34 to dynamically monitor the temperature and humidity, and the temperature and humidity monitoring of all parts in the hydraulic building body is enhanced.
Example 4
This embodiment is substantially the same as embodiment 2, except that the positions of the temperature and humidity monitoring part 3 and the osmotic pressure monitoring part 4 are adjusted according to the length and height of the body 1:
the method comprises the following steps: the length of a body 1 of a hydraulic building is 108.5m, the height of the body is 5.8mm, a water level monitoring part 2 is arranged on one side of the upstream of the body 1, a drill is used on one side of the body 1 to drill a position 80cm away from the bottom and arrange a temperature and humidity monitoring part 3, an osmotic pressure monitoring part 4 is arranged 50cm above the temperature and humidity monitoring part 3, a temperature and humidity meter 33 is put into the temperature and humidity monitoring part 3, an osmotic pressure meter 41 is arranged in the osmotic pressure monitoring part 4 at a group of intervals of 60cm, a stress strain monitoring part 5, a surface displacement monitoring part 6 and a signal acquisition box 7 are arranged, and each monitoring part is connected with the signal acquisition box 7 through a cable;
step four: the signal acquisition box 7 receives the data collected by each monitoring part and uploads the data to a terminal management platform and a database, when the water level monitored by the water level monitoring part 2 is higher than 2/3 of the water level monitoring part 2, the water level sensor 25 transmits a signal to the audible and visual alarm 14 and triggers alarm, when the humidity of the position monitored by the temperature and humidity monitoring part 3 is higher than 60%, the temperature and humidity sensor 35 transmits a signal to the audible and visual alarm 14 and triggers alarm, and when the internal osmotic pressure of the body 1 monitored by the osmotic pressure monitoring part 4 is higher than 2MPa, the pressure sensor 42 transmits a signal to the audible and visual alarm 14 and triggers alarm.
The fourth step also comprises: when the rainfall monitored by the rainfall monitoring part 8 is more than 50mm, the rainfall sensor 82 transmits a signal to the pressure sensor 42, so that the pressure sensor 42 reduces the alarm signal value triggered by the osmometer 41 from 2MPa to 1.5MPa, meanwhile, the rainfall sensor 82 transmits a signal to the temperature and humidity sensor 35, the temperature and humidity sensor 35 transmits a signal to the controller 36, the controller 36 controls the motor 32 to drive the temperature and humidity meter 33 to reciprocate along the transmission rod 34 to dynamically monitor the temperature and the humidity, and the temperature and humidity monitoring of all parts in the hydraulic building body is enhanced.
Claims (8)
1. A monitoring device for monitoring and early warning of a hydraulic structure is characterized by comprising a body (1) of the hydraulic structure,
the water level monitoring device comprises a water level monitoring part (2) positioned on one side of a body (1), the water level monitoring part (2) comprises an external sleeve (21), a water pipe (22) is sleeved in the sleeve (21), a water level float (23) capable of sliding up and down along the water pipe (22) is arranged between the water pipe (22) and the sleeve (21), a water pump (24) is arranged at the bottom of the water pipe (22), the water level float (23) is connected with a water level sensor (25) at the top in the sleeve (21) through a cable, the other end of the water pipe (22) is connected with a sample collecting box (81) at the bottom of a rainfall monitoring part (8) positioned above the body (1),
be located body (1) bottom and transversely be on a parallel with warm and humid monitoring portion (3) that body (1) set up, warm and humid monitoring portion (3) are including fixed pipe (31), motor (32) and temperature hygrometer (33), fixed pipe (31) are inlayed and are established in body (1) and are played the effect of fixed stay, motor (32) outside is equipped with temperature and humidity sensor (35) and controller (36) that link to each other with it, and motor (32) are located fixed pipe (31) inside initiating terminal, the output of motor (32) pass through transfer line (34) with temperature and humidity meter (33) are connected,
a seepage pressure monitoring part (4) which is arranged above the temperature and humidity monitoring part (3) and is transversely arranged in the body (1) in parallel with the body (1), a plurality of groups of osmometers (41) which are used for monitoring the seepage pressure of different positions in the body (1) are arranged in the seepage pressure monitoring part (4), a pressure sensor (42) is arranged at the starting end in the seepage pressure monitoring part (4), one end of the pressure sensor (42) is connected with the water level sensor (25) through a cable, the other end of the pressure sensor (42) is connected with the temperature and humidity sensor (35) through a cable,
the starting end of the osmometer monitoring part (4) is provided with a steel plate protective cover (43), two sides of the steel plate protective cover (43) are fixedly connected with the osmometer monitoring part (4) through bolts, the arrangement distance between two adjacent groups of osmometers (41) is 40-60cm, each group of osmometers (41) are connected in series through a piezometer pipe (44) positioned at the center of the osmometer monitoring part (4), each group of osmometers (41) are respectively connected with a pressure sensor (42) through a cable, the osmometer monitoring part (4) around each group of osmometer (41) is filled with a fine sand section (45), the osmometer monitoring part (4) around the piezometer pipe (44) is filled with a bentonite section (46), and a shielding cable (47) is arranged between two adjacent groups of osmometers (41),
be equipped with a plurality of through-holes on fixed pipe (31), correspond fixed pipe (31) inner wall between every two sets of osmometer (41) and be equipped with water proof cover (37), water proof cover (37) are annular gasbag and can make temperature hygrometer (33) pass through.
2. The monitoring device for monitoring and early warning of a hydraulic structure as claimed in claim 1, wherein the hydraulic structure is a dam for retaining water or transporting water, the temperature and humidity monitoring part (3) is 60-80cm away from the bottom of the body (1), and the osmotic pressure monitoring part (4) is 30-50cm above the temperature and humidity monitoring part (3).
3. The monitoring device for monitoring and early warning of the hydraulic structure as claimed in claim 1, wherein a stress-strain monitoring part (5) is buried in one side of the body (1) relative to the water level monitoring part (2), a surface displacement monitoring part (6) is arranged on the upper surface of the body (1), and the water level monitoring part (2), the temperature-humidity monitoring part (3), the osmotic pressure monitoring part (4), the stress-strain monitoring part (5) and the surface displacement monitoring part (6) are all connected with a signal acquisition box (7) positioned above the body (1) through cables.
4. The monitoring device for monitoring and early warning of the hydraulic structure as claimed in claim 1, wherein the body (1) is provided with a supporting rod (11) on the upper surface thereof, one side of the upper end of the supporting rod (11) is provided with a solar panel (12) for providing electric energy for each monitoring part, the other side of the upper end of the supporting rod (11) is provided with a camera (13), an audible and visual alarm (14) is arranged on the supporting rod (11) below the camera (13), and the audible and visual alarm (14) is connected with the sensors of each monitoring part through a controller.
5. The monitoring device for monitoring and pre-warning of hydraulic buildings according to claim 1, wherein the sleeve (21) is provided with a plurality of water holes (211), the sleeve (21) at the water holes (211) is provided with a screen, the outer circumference of the water level float (23) is provided with a scraper (231) for scraping the screen garbage, and the connection between the water pump (24) and the water pipe (22) is provided with a vibrating reed (26).
6. The monitoring device for monitoring and early warning of the hydraulic structure as claimed in claim 1, wherein a rain gauge (83) is arranged at the upper part in the rain amount monitoring part (8), a rain sensor (82) is arranged between the rain gauge (83) and the sample collection box (81), and the rain sensor (82) is respectively connected with the temperature and humidity sensor (35) and the pressure sensor (42).
7. A monitoring method for monitoring by using the monitoring device of any one of claims 1-6, comprising the steps of:
the method comprises the following steps: the method comprises the following steps of arranging a water level monitoring part (2) on one side of the upstream of a body (1), drilling corresponding positions on the body (1) by using a drill bit, arranging a temperature and humidity monitoring part (3) and an osmotic pressure monitoring part (4), arranging a temperature and humidity meter (33) in the temperature and humidity monitoring part (3), arranging an osmotic pressure meter (41) at a specified position in the osmotic pressure monitoring part (4), arranging a stress strain monitoring part (5), a surface displacement monitoring part (6) and a signal acquisition box (7), and connecting each monitoring part with the signal acquisition box (7) through a cable;
step two: the water level is monitored by a water level float (23), water is pumped once at intervals by a water pump (24), the pumped water is conveyed into a sample collection box (81) through a water pipe (22), and the pumped water is collected by workers for inspection;
step three: the osmometers at different positions in the body (1) are monitored through each group of osmometers (41), the pressure sensor (42) receives a signal of the water level sensor (25), the water level when abnormal pressure occurs is determined, the monitoring signal is transmitted to the temperature and humidity sensor (35) through the pressure sensor (42), the temperature and humidity sensor (35) determines the position of the temperature and humidity in the body (1) to be measured through the abnormal position of the pressure after receiving the signal, then the signal is transmitted to the controller (36), and the controller (36) controls the motor (32) to drive the temperature and humidity meter (33) to move to a designated position;
step four: and the signal acquisition box (7) receives the data collected by each monitoring part and uploads the data to the terminal management platform and the database.
8. The method of monitoring of claim 7, wherein said step four further comprises: when the rainfall monitored by the rainfall monitoring part (8) is overlarge, the rainfall sensor (82) transmits a signal to the pressure sensor (42), so that the pressure sensor (42) reduces the minimum value of the osmometer (41) triggering alarm signal, meanwhile, the rainfall sensor (82) transmits the signal to the temperature and humidity sensor (35), the temperature and humidity sensor (35) transmits the signal to the controller (36), and the controller (36) controls the motor (32) to drive the temperature and humidity meter (33) to reciprocate along the transmission rod (34) to dynamically monitor the temperature and humidity.
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