CN113624273A - Ship lock miter gate online monitoring system and method - Google Patents
Ship lock miter gate online monitoring system and method Download PDFInfo
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- CN113624273A CN113624273A CN202110762431.1A CN202110762431A CN113624273A CN 113624273 A CN113624273 A CN 113624273A CN 202110762431 A CN202110762431 A CN 202110762431A CN 113624273 A CN113624273 A CN 113624273A
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
Abstract
The system comprises a signal detection device, a data processing device, a data presentation device and a remote monitoring device. The signal detection device comprises a stress sensor, an inclination angle sensor and a crack sensor, wherein the stress sensor, the inclination angle sensor and the crack sensor are all connected to a main junction box at the top of the miter gate through junction boxes on each layer of the gate grids, and the main junction box at the top of the miter gate is connected with the data processing device. The remote monitoring device comprises a data monitoring station and a PC processor; the data monitoring station can receive the data transmitted by the data processing device and the data presentation device and transmit the data to the PC processor. The online monitoring system and the online monitoring method for the ship lock miter gate can monitor the change situation of the structural strain, crack and collapse camber of the ship lock miter gate body along with time on line, provide data support for fine management of judging the overall operation state and stress condition of the ship lock miter gate, and guarantee the operation safety of the ship lock.
Description
Technical Field
The invention relates to the technical field of ship lock monitoring, in particular to an online monitoring system and method for a ship lock miter gate.
Background
The miter gate is an important device for ship lock operation, plays a role in retaining water when the ship lock operates, and is one of important works of ship lock operation managers when the ship lock operates. The existing visual mode of a single-dependence image monitoring system has obvious defects, and the visual mode mainly comprises the steps that under the objective conditions of low visibility, inter-ship shielding, large-scale ships and the like, blockage, deformation, door body cracks and the like during the operation of the herringbone gate cannot be effectively and quantitatively monitored, and the situations such as the blockage during the operation of the herringbone gate, the door body cracks and the like cannot be timely found, so that the defects of a gate hoist of the herringbone gate and even the damage and the failure of the door body can be possibly caused, and the navigation obstacle accidents are caused. At present, no system suitable for monitoring the state of the miter gate exists, and particularly the system is used for monitoring the running state of the miter gate in real time on line.
Disclosure of Invention
In order to solve the technical problems, the invention provides an online monitoring system and method for a miter gate of a ship lock, which can be used for online monitoring of changes of structural strain, cracks and collapse camber of a gate body of the miter gate of the ship lock along with time, provide data support for judging the fine management of the overall operation state and stress condition of the miter gate of the ship lock, and ensure the operation safety of the ship lock.
The technical scheme adopted by the invention is as follows:
ship lock gate mitre gate on-line monitoring system, this system includes:
the device comprises a signal detection device and a data acquisition and processing device;
the signal detection device comprises a stress sensor, an inclination angle sensor and a crack sensor, wherein the stress sensor, the inclination angle sensor and the crack sensor are all connected to a main junction box at the top of the miter gate through junction boxes on each layer of the gate grids, and the main junction box at the top of the miter gate is connected with a data acquisition and processing device.
The data acquisition and processing device is respectively connected with the stress sensor, the inclination angle sensor and the general splicing sleeve of the crack sensor through optical cables, and is used for finishing the functions of communication with each interface functional module, real-time data processing, refreshing, configuration and logic control.
The system comprises a remote monitoring device, wherein the remote monitoring device comprises a data monitoring station, a data communication line and a PC processor;
the data monitoring station is connected with the data acquisition and processing device, and can receive the data transmitted by the data acquisition and processing device and transmit the data to the PC processor;
the data monitoring station is connected with the data presentation device and can receive the data transmitted by the data presentation device and transmit the data to the PC processor.
The data presentation device comprises a printer, a display and network equipment, wherein the printer and the display are connected with a data monitoring station through the network equipment, and the printer and the display realize external display and printing of data in an electronic document form.
The PC processor is internally provided with a data processing program and can realize the following functions:
the method comprises the following steps of firstly, dynamically monitoring stress strain, collapse camber and crack change of a gate body structure of the character gate and automatically storing and recording;
the second function is to provide data reference for safety evaluation of the door body structure and display the data reference;
monitoring and analyzing the running state of the door body, and judging whether the miter gate is blocked or not;
and fourthly, sending an abnormal condition alarm signal to ship lock operators.
The data acquisition and processing device comprises a fiber grating demodulator which can convert the analog quantity signal of the sensor into a digital signal;
the signal detection device is arranged on a gate body of the miter gate;
the data acquisition and processing device is arranged in a ship lock miter gate machine room;
the data presentation device is arranged in a designated lock room monitoring room;
the remote monitoring device is placed in a ship lock office and is connected with the data application manager through a network.
The stress sensor, the inclination angle sensor and the crack sensor are welded on the backwater side of the miter gate; one end of a 6.6mm transmission optical cable is respectively connected with the stress sensor, the inclination angle sensor and the crack sensor, and the other end of the 6.6mm transmission optical cable is connected into the splice box; the 48-core optical cable is led out from the splice box and enters the miter gate machine room along the existing cable channel, and the DN40 stainless steel tube is vertically welded along the miter gate door body. The DN40 stainless steel tube is a protection device of a 6.6mm transmission optical cable, and the damage and the interference of external factors to the transmission optical cable on the door body of the word gate are reduced.
The strain splicing box, the crack splicing box and the inclination splicing box are arranged on the gate lattice of the miter gate; and the total strain splicing box, the total crack splicing box and the total inclination angle splicing box are arranged on the top of the miter gate in parallel.
The invention discloses an online monitoring system and method for a lock miter gate, which has the following technical effects:
1) the digital gate line stress monitoring system can carry out digital accurate real-time remote detection on the stress state of the herringbone gate, assist in judging the operation condition of the herringbone gate, find the blocking condition of the herringbone gate, the stress change of the door body, the crack change of the door body and other conditions in time, facilitate ship lock operators to carry out fine management on the herringbone gate, ensure the operation safety of the ship lock and is a development trend of intelligent navigation.
2) The method can monitor the structural change conditions of strain, crack and collapse camber of the miter gate body of the ship lock of the pueraria continental dam along with time on line, realize remote reading of data, assist in judging whether the miter gate works normally or not, find the conditions of jamming, slight deformation of the door body, damage of a metal structure and the like in the running process of the miter gate in time, provide data support for judging the fine management of the overall running state and stress condition of the miter gate of the ship lock, and guarantee the running safety of the ship lock.
Drawings
FIG. 1 is a schematic diagram of the composition of an on-line monitoring system according to the present invention.
FIG. 2 is a schematic diagram of the arrangement of the door body sensor of the on-line monitoring system of the invention.
FIG. 3 is a schematic diagram of a signal detection device of the on-line monitoring system according to the present invention;
FIG. 4 is a schematic diagram of the cable installation of the on-line monitoring system of the present invention;
FIG. 5 is a schematic diagram of a data processing device and a data presenting device of the on-line monitoring system according to the present invention;
FIG. 6 is a schematic diagram of a remote monitoring device of the on-line monitoring system of the present invention.
Wherein: 1-signal detection device, 2-strain splice closure, 3-crack splice closure, 4-dip splice closure, 5-DN 40 stainless steel tube, 6-total strain splice closure, 7-total crack splice closure, 8-total dip splice closure, 9-herringbone door top lattice, 10-48 core optical cable and 11-6.6mm transmission optical cable; 12-a transmission fiber;
301-stainless steel rolled strip, 302-stainless steel C-shaped steel, 303-transmission optical cable and 304-Q345 mounting bracket;
401-data acquisition processing means, 402-data presentation means;
501-data monitoring station, 502-data communication line, 503-PC processor.
Detailed Description
As shown in fig. 1 to 6, the ship lock miter gate on-line monitoring system includes:
the device comprises a signal detection device 1 and a data acquisition and processing device 401;
the signal detection device 1 comprises a stress sensor, an inclination angle sensor and a crack sensor; the stress sensor, the inclination angle sensor and the crack sensor are all connected to a main junction box at the top of the miter gate through junction boxes on each layer of gate grids of the miter gate, and the main junction box at the top of the miter gate is connected with the data acquisition and processing device 401.
The data acquisition processing device 401 is connected with the stress sensor, the inclination angle sensor and the general splicing sleeve of the crack sensor through optical cables respectively, and is used for completing the functions of communication with each interface function module, real-time data processing, refreshing, configuration and logic control.
The data acquisition processing device 401 comprises a fiber bragg grating demodulation unit with the model of BGD-16M and a fiber dynamic signal acquisition system with the model of HSBGD-16M, the sampling frequency is 1-1000Hz, the wavelength range is 1510-1590 nm, the precision is 5pm, the dynamic range is 30dB, and the resolution is 1 pm.
The system comprises a remote monitoring device 5, wherein the remote monitoring device 5 comprises a data monitoring station 501, a data communication line 502 and a PC processor 503;
the data monitoring station 501 is connected with the data acquisition processing device 401, and the data monitoring station 501 can receive data transmitted by the data acquisition processing device 401 and transmit the data to the PC processor 503;
the data monitoring station 501 is connected with the data presentation device 402, and the data monitoring station 501 can receive the data transmitted by the data presentation device 402 and transmit the data to the PC processor 503.
The data presentation device 402 includes a printer, a display, and a network device, the printer and the display are connected to the data monitoring station 501 through the network device, and the printer and the display implement external display and printing of data in an electronic document form.
Example (b):
the ship lock gate on-line monitoring system comprises a signal detection device 1, a data acquisition and processing device 401, a data processing device, a data presentation device 402 and a remote supervision device 5.
The signal detection device 1, the data acquisition processing device 401, the 48-core optical cable 10 and the 6.6mm transmission optical cable 11 are arranged on the miter gate door body. The signal detection device 1 is arranged according to the crack of the door body, and the strain splicing box 2, the crack splicing box 3 and the inclination splicing box 4 are arranged on the door lattice of the herringbone gate.
The strain splicing box 2, the crack splicing box 3 and the dip splicing box 4 are respectively connected with a strain sensor, a crack sensor and a dip sensor on the underwater door lattice, and the other end of the strain splicing box, the crack splicing box and the dip sensor is connected with a corresponding main splicing box at the top of the miter gate.
And a total strain splice closure 6, a total crack splice closure 7 and a total inclination splice closure 8 are arranged on the top of the miter gate in parallel.
The total strain splice closure 6, the total crack splice closure 7 and the total dip splice closure 8 are connected with a data acquisition processing device 401 in the machine room along the escalator through stainless steel pipes.
As shown in fig. 2, 3, and 4, the signal detection device 1 includes a stress sensor, a tilt sensor, a crack sensor, and a transmission optical cable 303.
The strain sensor, the inclination angle sensor and the crack sensor are all installed in a mode of welding an installation support, the installation support is welded on the door lattice firstly, then the sensor is installed on the support, and finally the sensor is fastened through screws.
6.6mm transmission optical cable 11, the optical cable that concatenates between the layer all lays along herringbone door check top, adopts the mode of welding erection support to fix stainless steel C shaped steel 302 at the door check top, and transmission optical cable 303 lays in the groove to adopt stainless steel ribbon 301 to bind, ensure that transmission optical cable 303 fastens in C type groove. .
And the 6.6mm transmission optical cable 11 is arranged in two vertical DN40 stainless steel tubes and is used for connecting the strain splice closure 2, the crack splice closure 3, the dip splice closure 4 and the corresponding total strain splice closure 6, total crack splice closure 7 and total dip splice closure 8.
The transmission optical cable 303 is a 2-core optical cable in the C-shaped steel and is used for connecting the strain, crack and tilt sensor with the corresponding strain splice closure 2, crack splice closure 3 and tilt splice closure 4.
In this embodiment, the sensor base is provided with an installation fastening hole and a horizontal adjusting hole, the installation fastening hole is used for fastening and connecting the sensor and the bracket, and the horizontal adjusting hole is used for horizontally positioning and adjusting the sensor. When the sensor is installed and positioned, firstly, the sensor is preliminarily fixed on the bracket by utilizing the screw in the installation fastening hole (a certain adjusting gap is reserved); and then referring to the micro air bubble horizontal bead, adjusting and positioning the sensor by utilizing the screw in the horizontal adjusting hole, and finally screwing the fastening screw.
In this embodiment, the sensor support is fixed at the survey point department, and the support can utilize the screw location fastening or the mode of welding. The support of the underwater tilt angle sensor is installed at a measuring point in a welding mode, and the support is made of Q345 steel, and is made of the same material as a gate body material.
The traction force when the optical cable is laid is not more than 80% of the allowable tension of the optical cable, the instantaneous maximum traction force is not more than the allowable tension of the optical cable, and the optical cable is not provided with joints in the tube holes. The transmission optical cable needs to adopt a fusion method during splicing, the gradient of the end face of the transmission optical cable is required to be less than 0.5 during fusion, the optical fiber splicing part which is qualified in fusion is immediately protected by a heat-shrinkable reinforced pipe, and the reinforced pipe is uniform in shrinkage, free of air bubbles and glued. The leading-in and leading-out of the accommodating end of the optical fiber after connection is not less than 0.8 m, the leading-in and leading-out of the two ends is not less than 1.2 m, and the bending radius of the optical fiber during accommodation is not less than 40mm.
As shown in fig. 6, the remote monitoring device 5 comprises a data monitoring station 501, a data communication line 502 and a PC processor 503, and the data monitoring station 50 is connected with the PC processor 503 through the data communication line 502.
The data monitoring station 501 can receive data transmitted by the data presentation device 402 and transmit the data to the PC processor 503.
The PC processor 503 has a data display and an alarm for display and alarm, respectively. The PC processor 503 has a built-in data processing program, and can realize the following functions:
the method comprises the following steps of firstly, dynamically monitoring stress strain, collapse camber and crack change of a gate body structure of the character gate and automatically storing and recording;
the second function is to provide data reference for safety evaluation of the door body structure and display the data reference;
monitoring and analyzing the running state of the door body, and judging whether the miter gate is blocked or not;
and fourthly, sending an abnormal condition alarm signal to ship lock operators.
In practical application, the stress condition of the door body and the change condition of the original crack of the door body are monitored in real time through the stress sensor, the inclination angle sensor and the crack sensor which are distributed on the door body of the miter gate, when the door body structure deforms and generates strain, the signal detection device 1 receives the changed electric signal, the data acquisition and processing device 401 captures the changed electric signal through the transmission optical cable, the data acquisition and processing device 401 analyzes the acquired data and sends the digital signal outwards, the data monitoring station 501 receives the signal through the local area network, transmits the signal to the data presentation device 402 to present the data, and transmits the data to the PC processor 503 through the Internet, and the PC processor 503 performs corresponding processing to realize remote supervision.
Claims (10)
1. Ship lock gate mitre gate on-line monitoring system, its characterized in that this system includes:
the device comprises a signal detection device (1) and a data acquisition and processing device (401);
the signal detection device (1) comprises a stress sensor, an inclination angle sensor and a crack sensor, wherein the stress sensor, the inclination angle sensor and the crack sensor are all connected with a data acquisition and processing device (401).
2. The ship lock miter gate on-line monitoring system of claim 1, wherein: the stress sensor, the inclination angle sensor and the crack sensor are all connected to a main junction box at the top of the miter gate through junction boxes on each layer of the gate grids, and the junction boxes at the top of the miter gate are connected with a data acquisition and processing device (401).
3. The ship lock miter gate on-line monitoring system of claim 1, wherein: the system also comprises a remote monitoring device (5), wherein the remote monitoring device (5) comprises a data monitoring station (501), a data communication line (502) and a PC processor (503);
the data monitoring station (501) is connected with the data acquisition processing device (401), and the data monitoring station (501) can receive the data transmitted by the data acquisition processing device (401) and transmit the data to the PC processor (503).
4. The ship lock miter gate on-line monitoring system of claim 1, wherein: the data monitoring station (501) is connected with the data presentation device (402), and the data monitoring station (501) can receive the data transmitted by the data presentation device (402) and transmit the data to the PC processor (503).
5. The ship lock miter gate on-line monitoring system of claim 4, wherein: the data presentation device (402) comprises a printer, a display and network equipment, wherein the printer and the display are connected with the data monitoring station (501) through the network equipment, and the printer and the display realize external display and printing of data in an electronic document form.
6. The ship lock miter gate on-line monitoring system of claim 4, wherein: the PC processor (503) is internally provided with a data processing program and can realize the following functions:
the method comprises the following steps of firstly, dynamically monitoring stress strain, collapse camber and crack change of a gate body structure of the character gate and automatically storing and recording;
the second function is to provide data reference for safety evaluation of the door body structure and display the data reference;
monitoring and analyzing the running state of the door body, and judging whether the miter gate is blocked or not;
and fourthly, sending an abnormal condition alarm signal to ship lock operators.
7. The ship lock miter gate on-line monitoring system of claim 3, wherein: the signal detection device (1) is arranged on a gate body of the miter gate;
the data acquisition and processing device (401) is arranged in a ship lock miter gate machine room;
the data presentation device (402) is installed in a designated lock room monitoring room;
the remote monitoring device (401) is placed in a ship lock office and is connected with the data application manager through a network.
8. The ship lock miter gate on-line monitoring system of claim 1, wherein: the stress sensor, the inclination angle sensor and the crack sensor are welded on the backwater side of the miter gate;
one end of the 6.6mm transmission optical cable is respectively connected with the stress sensor, the inclination angle sensor and the crack sensor, and the other end of the 6.6mm transmission optical cable is connected into the splice box.
9. The ship lock miter gate on-line monitoring system of claim 2, wherein: the strain splicing box (2), the crack splicing box (3) and the inclination splicing box (4) are arranged on the gate lattice of the miter gate;
and the total strain splice closure (6), the total crack splice closure (7) and the total inclination splice closure (8) are arranged on the top of the miter gate in parallel.
10. The ship lock miter gate online monitoring method based on the online monitoring system of any one of claims 1 to 9, is characterized in that: through the stress sensor who distributes on the gate body of mitre gate, the tilt angle sensor, the crack sensor, the atress condition of the real-time supervision door body and the change condition of the original crack of the door body, take place deformation when the door body structure, produce and meet an emergency, after signal detection device (1) received the signal of telecommunication of change, data acquisition and processing device (401) caught the signal of telecommunication of change through the transmission optical cable, data acquisition and processing device (401) carry out the analysis and outwards send digital signal to the data of gathering, data monitoring station (501) receive the signal through the LAN, transmit and present data for data presentation device (402), and transmit PC treater (503) through the internet, PC treater (503) make corresponding processing, realize remote supervision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110762431.1A CN113624273A (en) | 2021-07-06 | 2021-07-06 | Ship lock miter gate online monitoring system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110762431.1A CN113624273A (en) | 2021-07-06 | 2021-07-06 | Ship lock miter gate online monitoring system and method |
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| CN113624273A true CN113624273A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110762431.1A Pending CN113624273A (en) | 2021-07-06 | 2021-07-06 | Ship lock miter gate online monitoring system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116522150A (en) * | 2023-07-03 | 2023-08-01 | 交通运输部水运科学研究所 | Prediction method and system for arch collapse degree of herringbone door body structure of ship lock |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109597344A (en) * | 2019-01-24 | 2019-04-09 | 国电大渡河流域水电开发有限公司 | A kind of hydroelectric project steel arch-gate real time on-line monitoring system |
| CN209027704U (en) * | 2018-11-07 | 2019-06-25 | 中国舰船研究设计中心 | Steel construction stress monitoring system based on optical fiber sensing technology |
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2021
- 2021-07-06 CN CN202110762431.1A patent/CN113624273A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209027704U (en) * | 2018-11-07 | 2019-06-25 | 中国舰船研究设计中心 | Steel construction stress monitoring system based on optical fiber sensing technology |
| CN109597344A (en) * | 2019-01-24 | 2019-04-09 | 国电大渡河流域水电开发有限公司 | A kind of hydroelectric project steel arch-gate real time on-line monitoring system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116522150A (en) * | 2023-07-03 | 2023-08-01 | 交通运输部水运科学研究所 | Prediction method and system for arch collapse degree of herringbone door body structure of ship lock |
| CN116522150B (en) * | 2023-07-03 | 2023-09-08 | 交通运输部水运科学研究所 | Prediction method and system for arch collapse degree of herringbone door body structure of ship lock |
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