CN117587768A - Arc sluice gate monitoring system - Google Patents
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 66
- 238000004458 analytical method Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 5
- 230000001133 acceleration Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000010720 hydraulic oil Substances 0.000 claims description 16
- 239000003921 oil Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000007405 data analysis Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 5
- 230000003749 cleanliness Effects 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 230000003862 health status Effects 0.000 claims 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/40—Swinging or turning gates
- E02B7/42—Gates of segmental or sector-like shape with horizontal axis
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B2201/00—Devices, constructional details or methods of hydraulic engineering not otherwise provided for
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- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
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- Signal Processing (AREA)
- Medical Informatics (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention provides an arc-shaped sluice gate monitoring system, which comprises: the on-site working layer comprises a data acquisition unit and an industrial personal computer which are connected with each other, wherein the data acquisition unit is used for acquiring the operation data of the sluice gate in real time, and the industrial personal computer is used for storing the operation data; the upper computer layer comprises a state data server, a state monitor and a display which are sequentially connected, wherein the state data server is in communication connection with the industrial personal computer and is used for acquiring operation data, summarizing and analyzing the operation data, the state monitor is used for carrying out safety performance assessment according to analysis results and timely carrying out early warning, and the display is used for implementing and displaying the operation condition of the sluice gate; the cloud layer is in communication connection with the remote server and is used for sending the operation data and the operation conditions to the remote server for storage. The sluice gate detection system provided by the invention can monitor and analyze the operation data of the sluice gate in real time and forecast and early warn the state of the sluice gate in time.
Description
Technical Field
The invention relates to the technical field of water conservancy facility monitoring, in particular to an arc-shaped sluice gate monitoring system.
Background
At present, a large number of active steel structure sluice gates exist in China, the arc-shaped opening and closing gate is of a gate type commonly used in current hydropower plants, the sluice gate mainly comprises a weir body, a gate pier, a gate, an opening and closing machine room and the like, a cable box beam is arranged on one side of a track beam, and a cavity is formed in the top of the gate pier. The sluice gate consists of a gate chamber and an upstream and downstream connecting section; the main function of the upstream connecting section is to guide the water flow to enter the gate uniformly; the main function of the downstream connecting section is energy dissipation and impact prevention, and the water flow is guided to be safely discharged into a downstream river channel.
Vibration may occur during opening and closing or when the radial gate is partially opened; in addition, due to the reasons of design, manufacture, installation, operation management and the like, various metal structure equipment is inherently insufficient, long-term operation with diseases (hidden danger) is carried out, the operation working condition of the sluice gate is complex and changeable, long-term underwater operation is carried out, hidden danger is not easy to find and remove, at present, the commonly used sluice gate is mainly checked by manual drainage or after the reservoir is completely drained, the monitoring means of the sluice gate is behind, the checking efficiency is low, and faults, hidden danger and existing problems of related equipment of the sluice gate are difficult to find and solve in time.
Disclosure of Invention
Based on this, the present invention aims to provide an arc-shaped sluice gate monitoring system, so as to solve the technical problems existing in the prior art.
The invention provides an arc-shaped sluice gate monitoring system, which comprises:
the on-site working layer comprises a data acquisition unit and an industrial personal computer which are connected with each other, wherein the data acquisition unit is used for acquiring the operation data of the sluice gate in real time, and the industrial personal computer is used for storing the operation data;
the upper computer layer comprises a state data server, a state monitor and a display which are sequentially connected, wherein the state data server is in communication connection with the industrial personal computer and is used for acquiring, summarizing and analyzing the operation data, the state monitor is used for carrying out safety performance assessment according to analysis results and timely carrying out early warning, and the display is used for implementing and displaying the operation condition of the sluice gate;
the cloud layer is in communication connection with the upper computer layer and the local working layer and is used for sending the operation data and the operation condition to a remote server for storage.
The beneficial effects of the invention are as follows: according to the arc-shaped sluice gate monitoring system, the data acquisition unit is used for acquiring the operation data of the sluice gate in real time in the actual operation process, and it can be understood that the operation data comprise stress, strain, deformation, vibration and the like, and the operation data acquired in real time are collected and analyzed to know the operation condition of the sluice gate in real time; the analyzed operation data are input to a state monitor for evaluation, whether potential safety hazards exist in the operation process of the sluice gate is judged according to preset safety evaluation rules, the alarm is given out in time when the danger occurs, the display can display the operation condition of the sluice gate in real time, so that a worker can conveniently check the operation condition in time, and the cloud layer is in communication connection with a remote server to store the operation condition in time, so that the remote client can conveniently inquire; the arc-shaped sluice gate monitoring system in the embodiment realizes real-time response of the state of the gate, predicts and early warns the state of the gate, previews the health trend, provides support for planning a plan, and improves the disaster prevention strain capacity and the intelligent level of the hydraulic engineering.
Preferably, the data acquisition unit at least comprises:
the first acceleration sensor is used for monitoring flow excitation data of the gate;
the stress sensor is used for monitoring the structural stress data of the gate;
the opening sensor is used for monitoring gate operation posture data;
the second acceleration sensor is used for monitoring vibration data of the hydraulic hoist;
the oil liquid detector is used for detecting the cleanliness of hydraulic oil on line.
Preferably, the arc-shaped sluice gate monitoring system further comprises a monitoring point determining module, wherein the monitoring point determining module is used for carrying out physical modeling on the sluice gate and carrying out stress analysis according to the physical model to determine a plurality of monitoring points of the sluice gate.
Preferably, the first acceleration sensor is respectively arranged at the rear wing plate of the lower main beam, the front end of the right upper support arm, the front end of the right lower support arm, the middle end of the left lower support arm and the middle end of the right lower support arm of the sluice gate;
the stress sensors are respectively arranged on the rear wing plate of the lower girder, the web plate of the upper girder, the web plate of the lower girder, the grid of the lower girder, the inner side of the front end of the right upper support arm, the inner side of the front end of the right lower support arm, the inner side of the middle end of the right upper support arm and the inner side of the middle end of the left upper support arm of the sluice gate;
the opening sensor is respectively arranged on the gate vertical center line upper support arm main beam rear flange of the sluice gate, the gate vertical center line lower support arm main beam rear flange and the hydraulic cylinder;
the second acceleration sensor is arranged in the X/Y direction of an output shaft of the oil pump motor unit of the sluice gate;
the oil liquid detector is arranged in a hydraulic oil return pipeline.
Preferably, the first acceleration sensor is a piezoelectric acceleration sensor, the stress sensor is a surface strain sensor or a welding type strain sensor, and the opening sensor is a pull rope displacement sensor, a magnetostriction displacement sensor or a magnetostatic grid absolute encoder.
Preferably, the oil liquid detector measures the quantity of the particulate matters with different sizes in a unit volume of the hydraulic oil by adopting a photoresistance method so as to grasp the pollution degree of the hydraulic oil in real time and analyze the abrasion trend of a hydraulic system according to the pollution degree of the hydraulic oil.
Preferably, the status data server includes: the sensor management module is in communication connection with the data acquisition unit and is used for uniformly managing a data transmission channel and a data type of the data acquisition unit;
the data analysis module is used for respectively analyzing the data transmitted by the different data transmission channels.
Preferably, the data analysis module extracts the characteristic value in the analysis result through Fourier transformation, and carries out safety performance assessment according to the extracted characteristic value so as to realize real-time health state monitoring of the sluice gate.
Preferably, the data acquisition unit further comprises a water level sensor, a flow sensor, a water temperature sensor and a water pressure sensor, and the data acquisition unit is used for monitoring the water environment blocked by the sluice gate in real time.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a block diagram of an arcuate sluice gate monitoring system provided by the present invention;
fig. 2 is a schematic diagram of an arc-shaped sluice gate monitoring point arrangement provided by the invention.
Description of main reference numerals:
10. a lower main beam rear wing plate; 11. an upper right arm; 12. a right lower arm; 13. a lower left arm; 14. an upper main beam web; 15. a lower main beam web; 16. a lower girder lattice; 17. an upper left arm; 18. an upper support arm main beam; 19. a lower support arm main beam; 20. and a hydraulic cylinder.
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
As shown in fig. 1, for the radial sluice gate monitoring system provided by the invention, specifically, the radial sluice gate monitoring system provided by the embodiment includes an on-site working layer, the on-site working layer is mainly located on a working site of a sluice gate, and optionally, the on-site working layer includes a data acquisition unit and an industrial personal computer which are connected with each other, the data acquisition unit is used for acquiring operation data of the sluice gate in real time, reflecting the operation condition of the sluice gate, and the industrial personal computer is used for storing the collected operation data; the upper computer layer comprises a state data server, a state monitor and a display which are sequentially connected, wherein the state data server is in communication connection with the industrial personal computer and is used for acquiring operation data, summarizing and analyzing the operation data, the state monitor is used for carrying out safety performance assessment according to analysis results and timely carrying out early warning, and the display is used for implementing and displaying the operation condition of the sluice gate; the cloud layer is in communication connection with the upper computer layer and the local working layer and is used for sending the operation data and the operation conditions to the remote server for storage.
Optionally, in this embodiment, the data acquisition unit acquires the operation data of the sluice gate in real time in the actual operation process, and it can be understood that the operation data includes stress, strain, deformation, vibration and the like, and the operation data acquired in real time is subjected to summary analysis to know the operation condition of the sluice gate in real time; the analyzed operation data are input to a state monitor for evaluation, whether potential safety hazards exist in the operation process of the sluice gate is judged according to preset safety evaluation rules, the alarm is given out in time when the danger occurs, the display can display the operation condition of the sluice gate in real time, so that a worker can conveniently check the operation condition in time, and the cloud layer is in communication connection with a remote server to store the operation condition in time, so that the remote client can conveniently inquire; the arc-shaped sluice gate monitoring system in the embodiment realizes real-time response of the state of the gate, predicts and early warns the state of the gate, previews the health trend, provides support for planning a plan, and improves the disaster prevention strain capacity and the intelligent level of the hydraulic engineering.
Optionally, in this embodiment, the data acquisition unit includes at least: a first acceleration sensor; flow excitation data for monitoring the gate; optionally, the first acceleration sensor may be a piezoelectric acceleration sensor, and may convert vibration caused by hydraulic action received during operation of the sluice gate into an electrical signal, convert the electrical signal into binary data through an analog/digital converter, and perform data organization, storage and operation processing, so as to realize real-time detection of vibration frequency and vibration amplitude of the sluice gate.
A stress sensor; the safety of the gate structure can be analyzed and judged by collecting the stress data of the gate structure in real time through the stress sensor, and optionally, the types of the stress sensor are more, in the embodiment, one or more of the surface strain sensor or the welding type strain sensor are selected according to the installation position and the use condition; for monitoring gate structural stress data.
An opening sensor; the opening degree of the gate is measured by adopting a gate opening degree sensor (displacement sensor), and optionally, according to the realized measurement principle, one or more of a stay rope displacement sensor, a magnetostriction displacement sensor or a magnetostatic gate absolute encoder can be selected for monitoring the gate operation posture data in the embodiment;
a second acceleration sensor; by monitoring the pressure of the pipeline system, the current working state can be better judged, but the system fault cannot be predicted. Optionally, in this embodiment, based on that the hydraulic oil pump and the driving motor thereof essentially belong to a rotating machine, referring to other rotating machines, the second acceleration sensor may be used to monitor the vibration condition of the hydraulic hoist, and fault diagnosis and health evaluation are implemented through data analysis for monitoring vibration data of the hydraulic hoist.
The oil liquid detector is used for detecting the cleanliness of hydraulic oil on line; optionally, the oil liquid detector measures and records the quantity of different-size particles of the hydraulic oil in the hydraulic pipeline in a unit volume by adopting a photoresistance method so as to grasp the pollution degree of the hydraulic oil in real time and analyze the abrasion trend of the hydraulic system according to the pollution degree of the hydraulic oil.
Optionally, in this embodiment, the radial sluice gate monitoring system may systematically perform real-time online monitoring and fault early warning, and alarm on the remembering of static stress, dynamic stress, vibration response, operation posture, flow excitation vibration, etc. of the radial sluice gate structure, and perform real-time monitoring and advance on the operation state of the hydraulic hoist; the basic fault and the early fault of the mechanical part can be judged, and the full life cycle intelligent operation and maintenance of the hydraulic metal structure can be realized.
Optionally, the radial sluice gate monitoring system further comprises a monitoring point determining module, wherein the monitoring point determining module is used for carrying out physical modeling on the sluice gate and carrying out stress analysis according to the physical model to determine a plurality of monitoring points of the sluice gate. Specifically, in order to show the running state of the sluice gate through the display, the running state of the sluice gate is conveniently found in time by staff, the physical model replacement is required to be carried out on the actual sluice gate, and the running state of the actual sluice gate is reflected by the display showing the sluice gate model. And by performing simulation analysis on the sluice gate model, a plurality of monitoring points of the sluice gate are determined so as to provide reference for the arrangement positions of the sensors in the subsequent data acquisition units.
In the concrete implementation, physical modeling is carried out according to the solid structure of the sluice gate, the modeled structures such as a main beam, a side beam, a longitudinal beam, a flange plate, a support arm web plate, a support arm wing plate, a secondary beam and a support arm supporting rod are analyzed, and the data such as stress, deformation and the like of the sluice gate under the actions of maximum load, vibration and the like are calculated; determining a plurality of monitoring points on the sluice gate by referring to the existing sluice gate design standard; arranging sensors on a plurality of corresponding monitors on the entity sluice gate so as to acquire operation data of the entity sluice gate in real time, correspondingly inputting the acquired operation data to corresponding monitoring points of a sluice gate model, connecting the data such as stress, strain and the like of the sluice gate model in real time through finite element analysis software, and displaying the data on a display; since the sluice gate model corresponds to the entity, the running state of the entity sluice gate can be reflected by displaying the running state on the display. In the embodiment, the arc-shaped sluice gate monitoring system can analyze the collected monitoring data of different monitoring points, and can perform key research on characteristic information capable of reflecting the health state of the structure, so that scientific decisions are provided for the safety evaluation, maintenance, reinforcement and other works of the structure.
Optionally, in this embodiment, as shown in fig. 2, the first acceleration sensors are respectively disposed at the rear wing plate 10 of the lower girder, the front end of the upper right arm 11, the front end of the lower right arm 12, the middle end of the lower left arm 13, and the middle end of the lower right arm 12 of the sluice gate, and are used for collecting three-way vibration and acceleration of each component in real time, and analyzing the collected three-way vibration and acceleration to reflect the sluice gate flow excitation vibration;
the stress sensors are respectively arranged on the rear wing plate 10 of the lower girder, the web plate 14 of the upper girder, the web plate 15 of the lower girder, the grid 16 of the lower girder, the inner side of the front end of the upper right support arm 11, the inner side of the front end of the lower right support arm 12, the inner side of the middle end of the upper right support arm 11 and the inner side of the middle end of the upper left support arm 17 of the sluice gate; to measure the bending stress of the lower girder, the stress of the upper girder support, the stress of the lower girder support, the stress of the panel, the front end stress of the upper support arm, the front end stress of the lower support arm, the middle end stress of the upper support arm and the middle end stress of the upper support arm respectively. Specifically, in this embodiment, one of the stress sensors is disposed on the fourth up-web of the lower main beam.
The opening sensors are respectively arranged on a rear flange of a main beam 18 of the main boom on the vertical center line of the gate of the sluice gate, a rear flange of a main beam 19 of the main boom below the vertical center line of the gate and a hydraulic cylinder 20, specifically, in the embodiment, the opening sensors comprise a left hydraulic cylinder and a right hydraulic cylinder, the rear flange of the main beam of the main boom on the vertical center line of the gate of the sluice gate and the rear flange of the main beam of the main boom below the vertical center line of the gate are used for measuring the shaking of the gate, and the opening sensors arranged on the hydraulic cylinders are used for measuring the opening of the gate.
The second acceleration sensor is arranged in the X/Y direction of an output shaft of an oil pump motor unit (not shown in the figure) of the sluice gate; alternatively, in the present embodiment, two oil pump motor sets are enveloped, and a second acceleration sensor arranged in the X/Y direction of the output shaft of the oil pump motor set of the sluice gate is used for measuring the vibration of the hydraulic pump and the motor. The oil liquid detector is arranged in the hydraulic oil return pipeline and is used for measuring the cleanliness of oil liquid. Specifically, analysis of the model splits the monitoring content of the measuring points as shown in table 1:
TABLE 1
Optionally, in this embodiment, the state data server includes: the sensor management module is in communication connection with the data acquisition unit and is used for uniformly managing the transmission channels and the data types of all the sensors in the data acquisition unit; the data analysis module is used for respectively analyzing the data transmitted by different data transmission channels, and optionally, the data analysis module extracts the characteristic value in the analysis result through Fourier transformation after receiving the data, and carries out safety performance assessment according to the extracted characteristic value so as to realize the real-time health state monitoring of the sluice gate. Optionally, the state data server further comprises an operation state display module, wherein the operation state display module is matched with the display to realize real-time display of states of the gate and the hydraulic hoist, and comprehensively display early warning information of equipment states and faults and the like.
Further, in this embodiment, the data acquisition unit further includes a water level sensor, a flow sensor, a water temperature sensor, and a water pressure sensor, and the status data server is in communication connection with the water level sensor, the flow sensor, the water temperature sensor, and the water pressure sensor, respectively, and is configured to monitor, in real time, the water level, the flow, the pressure, the water temperature, and the like of water blocked by the sluice gate, for comprehensive analysis.
In summary, in the arc-shaped sluice gate monitoring system provided by the embodiment, the data acquisition unit acquires the operation data of the sluice gate in real time in the actual operation process, and it can be understood that the operation data comprise stress, strain, deformation, vibration and the like, and the operation data acquired in real time are subjected to summary analysis so as to know the operation condition of the sluice gate in real time; the analyzed operation data are input to a state monitor for evaluation, whether potential safety hazards exist in the operation process of the sluice gate is judged according to preset safety evaluation rules, the alarm is given out in time when the danger occurs, the display can display the operation condition of the sluice gate in real time, so that a worker can conveniently check the operation condition in time, and the cloud layer is in communication connection with a remote server to store the operation condition in time, so that the remote client can conveniently inquire; the arc-shaped sluice gate monitoring system in the embodiment realizes real-time response of the state of the gate, predicts and early warns the state of the gate, previews the health trend, provides support for planning a plan, and improves the disaster prevention strain capacity and the intelligent level of the hydraulic engineering.
It should be noted that the foregoing implementation procedure is only for illustrating the feasibility of the present application, but this is not meant to represent that the radial gate monitoring system of the present application is only the foregoing implementation procedure, and instead, the radial gate monitoring system of the present application may be incorporated into the feasible embodiment of the present application as long as it can be implemented.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. An arcuate sluice gate monitoring system, comprising:
the on-site working layer comprises a data acquisition unit and an industrial personal computer which are connected with each other, wherein the data acquisition unit is used for acquiring the operation data of the sluice gate in real time, and the industrial personal computer is used for storing the operation data;
the upper computer layer comprises a state data server, a state monitor and a display which are sequentially connected, wherein the state data server is in communication connection with the industrial personal computer and is used for acquiring, summarizing and analyzing the operation data, the state monitor is used for carrying out safety performance assessment according to analysis results and timely carrying out early warning, and the display is used for implementing and displaying the operation condition of the sluice gate;
the cloud layer is in communication connection with the upper computer layer and the local working layer and is used for sending the operation data and the operation condition to a remote server for storage.
2. The arch sluice gate monitoring system of claim 1, wherein the data acquisition unit includes at least:
the first acceleration sensor is used for monitoring flow excitation data of the gate;
the stress sensor is used for monitoring the structural stress data of the gate;
the opening sensor is used for monitoring gate operation posture data;
the second acceleration sensor is used for monitoring vibration data of the hydraulic hoist;
the oil liquid detector is used for detecting the cleanliness of hydraulic oil on line.
3. The arch-shaped sluice gate monitoring system of claim 2, further comprising a monitoring point determination module for physically modeling the sluice gate and for determining a number of monitoring points of the sluice gate based on a force analysis of the physical model.
4. An arcuate sluice gate monitoring system according to claim 3,
the first acceleration sensor is respectively arranged at the rear wing plate of the lower main beam, the front end of the right upper support arm, the front end of the right lower support arm, the middle end of the left lower support arm and the middle end of the right lower support arm of the sluice gate;
the stress sensors are respectively arranged on the rear wing plate of the lower girder, the web plate of the upper girder, the web plate of the lower girder, the grid of the lower girder, the inner side of the front end of the right upper support arm, the inner side of the front end of the right lower support arm, the inner side of the middle end of the right upper support arm and the inner side of the middle end of the left upper support arm of the sluice gate;
the opening sensor is respectively arranged on the gate vertical center line upper support arm main beam rear flange of the sluice gate, the gate vertical center line lower support arm main beam rear flange and the hydraulic cylinder;
the second acceleration sensor is arranged in the X/Y direction of an output shaft of the oil pump motor unit of the sluice gate;
the oil liquid detector is arranged in a hydraulic oil return pipeline.
5. The arcuate sluice gate monitoring system of claim 2, in which the first acceleration sensor is a piezoelectric acceleration sensor, the stress sensor is a surface strain sensor or a welded strain sensor, and the opening sensor is a pull-rope displacement sensor, a magnetostrictive displacement sensor, or a magnetostatic-grating absolute encoder.
6. The arc-shaped sluice gate monitoring system according to claim 2, wherein the oil liquid detector measures the amount of particulate matters with different sizes in a unit volume of the hydraulic oil by adopting a photoresistance method so as to grasp the pollution degree of the hydraulic oil in real time, and analyzes the abrasion trend of the hydraulic system according to the pollution degree of the hydraulic oil.
7. The arch sluice gate monitoring system of claim 1, wherein the status data server includes: the sensor management module is in communication connection with the data acquisition unit and is used for uniformly managing a data transmission channel and a data type of the data acquisition unit;
the data analysis module is used for respectively analyzing the data transmitted by the different data transmission channels.
8. The arch-shaped sluice gate monitoring system of claim 7, wherein the data analysis module extracts the eigenvalues from the analysis results by fourier transform and performs safety performance assessment based on the extracted eigenvalues to realize real-time health status monitoring of the sluice gate.
9. The arcuate sluice gate monitoring system of claim 1, wherein the data acquisition unit further includes a water level sensor, a flow sensor, a water temperature sensor, a water pressure sensor for monitoring the water environment blocked by the sluice gate in real time.
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