CN113110277B - Trailer system health status monitoring system - Google Patents

Trailer system health status monitoring system Download PDF

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Publication number
CN113110277B
CN113110277B CN202110393945.4A CN202110393945A CN113110277B CN 113110277 B CN113110277 B CN 113110277B CN 202110393945 A CN202110393945 A CN 202110393945A CN 113110277 B CN113110277 B CN 113110277B
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trailer
pool
monitoring system
sensor
electrically connected
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CN113110277A (en
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孙立宪
张威
王文涛
冯玉龙
毛镇界
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702th Research Institute of CSIC
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702th Research Institute of CSIC
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/054Input/output
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/10Plc systems
    • G05B2219/11Plc I-O input output
    • G05B2219/1103Special, intelligent I-O processor, also plc can only access via processor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention relates to a health state monitoring system of a trailer system, wherein the trailer system comprises a long and narrow water pool, a trailer is installed across the water pool, the trailer runs by taking rails on two sides of the water pool as a guide, and the trailer system also comprises a centralized control center positioned outside the water pool; an environment monitoring system is arranged on the inner wall surface opposite to the pool, and is used for acquiring the test environment parameters of the whole pool and transmitting the acquired data to a server in the centralized control center in real time; the trailer is provided with an operation monitoring system, acquires operation parameters of the trailer in the test process, and transmits the acquired data to a server of the centralized control center in real time through a wireless network; through the arrangement of the environment monitoring system in the pool and the operation monitoring system on the trailer, the timely sensing of the environment and the state of the trailer system in the test operation or shutdown state is realized, so that the judgment and the corresponding measures are taken, the health monitoring of the trailer system is realized, the system is particularly suitable for the high-speed test of a towing pool control system, and the reliability and the effectiveness of the test are greatly assisted.

Description

Trailer system health status monitoring system
Technical Field
The invention relates to the technical field of trailer test equipment in a towing tank, in particular to a health state monitoring system of a trailer system.
Background
In the prior art, the traditional comprehensive trailer is still adopted in the trailer device for the ship and ocean engineering rapidity experiment, the requirements of different test types are considered, the structure is complex, and the intelligent degree is relatively low; on the existing comprehensive trailer, the degree of dependence on human labor is high in the monitoring of the environmental state, the judgment and intervention are needed by human subjectivity, and the comprehensive trailer is time-consuming and cannot be quantized; on the other hand, on current generalized type trailer, system integration degree is low, no matter be experimental environment data or experimental operation data, all discrete relatively, can't make timely judgement to the operation of trailer to experimental data, leads to reliable degree low, influences experimental smooth going on even.
Disclosure of Invention
The applicant provides a trailer system health state monitoring system with a reasonable structure aiming at the defects in the prior art, so that the environment and state of the trailer system can be timely sensed in the test operation or shutdown state, the health monitoring of the trailer system is realized, and the reliability and effectiveness of the towing test are greatly assisted.
The technical scheme adopted by the invention is as follows:
a trailer system health state monitoring system comprises a long and narrow water pool, trailers are mounted across two sides of the water pool, the trailers run along the length direction of the trailers by taking rails on two sides of the water pool as a guide, and a centralized control center located outside the side face of the water pool; the inner wall surfaces of two opposite sides of the water pool are provided with an environment monitoring system, the test environment parameters of the whole water pool are collected, and the collected data are transmitted to a server in the centralized control center in real time; and an operation monitoring system is arranged on the trailer, acquires the operation parameters of the trailer in the test process, and transmits the acquired data to a server of the centralized control center in real time through a wireless network.
As a further improvement of the above technical solution:
the front end and the rear end of the trailer in the running direction are both provided with laser sensors, and the real-time distance between the front or the rear of the trailer and an obstacle is monitored through the laser sensors; the middle part of the front end of the trailer is provided with a pantograph, four corners of the trailer are respectively provided with a travelling wheel matched with the corresponding track, the pantograph provides power for a motor driving the travelling wheels to rotate, and the pantograph is provided with a power meter for collecting the power parameters; the motor is controlled by the direct-current speed regulator to work, and the motor also comprises a speed measuring wheel which synchronously runs with the travelling wheel, and an encoder is arranged on the speed measuring wheel; the laser sensor, the power meter, the direct current speed regulator and the encoder are respectively and electrically connected to the PLC, and the encoder is electrically connected with the direct current speed regulator to realize real-time speed measurement feedback; the PLC is accommodated in the electrical cabinet and electrically connected to the industrial personal computer to form an operation monitoring system of the trailer; the industrial personal computer is connected to the server through a wireless network.
The temperature sensors are respectively arranged on the electrical cabinet and the motor, the temperature in the operation process is monitored in real time through the temperature sensors, and the temperature sensors are electrically connected with the PLC.
Still include the braking system through hydraulic system control, install pressure sensor among the hydraulic system, through pressure sensor real-time supervision hydraulic pressure, pressure sensor and PLC controller electric connection.
The laser sensor comprises a protection laser sensor and a ranging laser sensor, the measuring distance of the ranging laser sensor is greater than that of the protection laser sensor, and the measuring precision of the protection laser sensor is higher than that of the ranging laser sensor; the distance between the front part or the rear part of the trailer and the barrier is detected in real time by the ranging laser sensor, the barrier is monitored by the protection laser sensor, the detection and monitoring parameters are fed back to the PLC, the PLC judges after receiving the signal of the protection laser sensor, and the emergency stop or the continuous operation of the trailer is controlled.
Two opposite side walls of the pool are provided with environmental temperature and humidity sensors at intervals along the length direction, and the environmental temperature and humidity sensors are used for detecting the real-time temperature and humidity of the pool environment; water temperature sensors are arranged on two opposite side walls of the water pool at intervals along the length direction, and measuring heads of the water temperature sensors extend below the liquid level to detect real-time water temperature; the environment temperature and humidity sensor and the water temperature sensor are respectively connected to the wireless concentrator through wireless signals, and the wireless concentrator is electrically connected to the first switch; the side wall surface of the water tank is also provided with an air pressure sensor which is electrically connected to the first switch; together constitute the environmental monitoring system of pond.
The interval between the adjacent environment temperature and humidity sensor is 50m, the interval between the adjacent temperature sensor is 50m, 4 groups have been arranged along the length direction in pond to the wireless concentrator, singly organize the equal electrically connected of wireless concentrator and have a switch one, the radius of coverage of switch one is 80 meters.
The first switch is electrically connected to the second switch, the second switch is located in the centralized control center, and the second switch is electrically connected with the server.
The number of the air pressure sensors is two, and the air pressure sensors are respectively arranged on two side walls of the water pool.
The invention has the following beneficial effects:
the invention has compact and reasonable structure and convenient operation, collects the test environmental parameters of the whole pool and the operation parameters of the trailer in the test process through the arrangement of the environmental monitoring system in the pool and the operation monitoring system on the trailer, and senses the environment and the state of the trailer system in the test operation or shutdown state in time so as to be convenient for judging and taking corresponding measures, thereby realizing the health monitoring of the trailer system, being particularly suitable for the high-speed test of the control system of the towing pool, greatly helping the smooth operation of the towing test and ensuring the reliability and the effectiveness of the test.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the assembly of the trailer and pool of the present invention.
FIG. 3 is a schematic structural diagram of an environmental monitoring system according to the present invention.
Wherein: 1. a pool; 2. a trailer; 3. a centralized control center; 4. a track; 11. an ambient temperature and humidity sensor; 12. a water temperature sensor; 13. an air pressure sensor; 21. a base; 22. a rear beam mount; 23. a pantograph frame; 24. a front beam mount; 25. an electrical cabinet assembly; 26. a work control platform; 27. a walking wheel component.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the health status monitoring system of the trailer system of this embodiment includes an elongated pool 1, trailers 2 are installed across two sides of the pool 1, the trailers 2 run along the length direction of the pool 1 with the rails 4 on the two sides as a guide, and a centralized control center 3 located outside the side of the pool 1; the inner wall surfaces of two opposite sides of the pool 1 are provided with environment monitoring systems, the test environment parameters of the whole pool 1 are collected, and the collected data are transmitted to a server in the centralized control center 3 in real time; the operation monitoring system is arranged on the trailer 2, the operation parameters of the trailer 2 in the test process are collected, the collected data are transmitted to the server of the centralized control center 3 in real time through a wireless network, and the server displays the monitoring conditions in real time through a visual display screen.
The front end and the rear end of the trailer 2 in the running direction are both provided with laser sensors, and the real-time distance between the front or the rear and an obstacle is monitored through the laser sensors; a pantograph is arranged in the middle of the front end of the trailer 2, walking wheels matched with the corresponding tracks 4 are respectively arranged at four corners of the trailer 2, the pantograph provides power for a motor driving the walking wheels to rotate, a power meter for collecting power parameters is arranged on the pantograph, and the power parameters such as voltage, current and power supplied to the motor are read through the power meter; the motor is controlled by the direct current speed regulator to work, and the speed measuring wheel synchronously walks with the traveling wheel is further included, an encoder is mounted on the speed measuring wheel, and the speed of the trailer 2 is obtained in real time through the encoder; the laser sensor, the power meter, the direct current speed regulator and the encoder are respectively and electrically connected to the PLC, the encoder is electrically connected with the direct current speed regulator to realize real-time speed measurement feedback, and the direct current speed regulator reads information of the encoder and parameters such as armature voltage current and excitation voltage current of the travelling wheel; the PLC is accommodated in the electrical cabinet and electrically connected to the industrial personal computer to form an operation monitoring system of the trailer 2; the industrial personal computer is connected to the server through a wireless network.
As shown in fig. 2, the trailer 2 has the following structure: the trailer comprises a base 21, wherein a front cross beam seat 24 and a rear cross beam seat 22 are fixedly arranged on the front side and the rear side of the base 21 respectively, walking wheel assemblies 27 are arranged at two ends of the front cross beam seat 24 and two ends of the rear cross beam seat 22 which are positioned at four corners of the base 21 respectively, each walking wheel assembly 27 comprises a walking wheel and a motor for driving the walking wheel to rotate, the walking wheels of the trailer 2 are assembled on a track 4, and the walking wheel assemblies 27 run along the track 4 under the driving of the motors; the middle part of the top surface of the front beam seat 24 is provided with a pantograph bracket 23, and a pantograph matched with an upper cable is arranged on the pantograph bracket 23; a work control table 26 is arranged on the base 21 behind the pantograph, and the industrial control computer is arranged on the work control table 26; an electrical cabinet assembly 25 is further arranged on the side face of the base 21, the electrical cabinet assembly 25 comprises an electrical cabinet, and an electrical control system is orderly arranged in the electrical cabinet.
The temperature sensors are respectively arranged on the electrical cabinet and the motor, the temperature in the operation process is monitored in real time through the temperature sensors, and the temperature sensors are electrically connected with the PLC.
Still include the braking system through hydraulic system control, install pressure sensor among the hydraulic system, through pressure sensor real-time supervision hydraulic pressure, pressure sensor and PLC controller electric connection.
The laser sensor comprises a protection laser sensor and a ranging laser sensor, the measuring distance of the ranging laser sensor is greater than that of the protection laser sensor, and the measuring precision of the protection laser sensor is higher than that of the ranging laser sensor; through 2 the place ahead of range finding laser sensor real-time detection trailers or the distance of rear apart from the barrier, through protection laser sensor monitoring front and rear barrier to detect, monitoring parameter feedback to PLC controller, PLC controller judges after receiving protection laser sensor's signal, controls trailer 2's scram or continuation operation.
Protection laser sensor and range finding laser sensor can be laid a plurality ofly respectively at the front end of trailer 2 and rear end to guarantee the reliability of detecting or monitoring.
Two opposite side walls of the pool 1 are provided with environmental temperature and humidity sensors 11 at intervals along the length direction, and the environmental temperature and humidity sensors are used for detecting the real-time temperature and humidity of the pool environment; water temperature sensors 12 are further arranged on two opposite side walls of the water pool 1 at intervals along the length direction, and measuring heads of the water temperature sensors 12 extend to a position below the liquid level to detect real-time water temperature; the environment temperature and humidity sensor 11 and the water temperature sensor 12 are respectively connected to a wireless concentrator through wireless signals, and the wireless concentrator is electrically connected to a first switch; an air pressure sensor 13 is further mounted on the side wall surface of the water pool 1, and the air pressure sensor 13 is electrically connected to the first switch; together forming an environmental monitoring system for the pool 1.
The interval between the adjacent environment temperature and humidity sensors 11 is 50m, the interval between the adjacent water temperature sensors 12 is 50m, 4 groups of wireless hubs are arranged along the length direction of the pool 1, the single group of wireless hubs are electrically connected with a first exchanger, and the coverage radius of the first exchanger is 80 meters.
The first switch is electrically connected to the second switch, the second switch is located in the centralized control center 3, and the second switch is electrically connected to the server, as shown in fig. 3.
The number of the air pressure sensors 13 is two, and the air pressure sensors are respectively arranged on two side walls of the water pool 1.
In this embodiment, through the arrangement of the operation monitoring systems in the pool 1 and the trailer 2, the overall test environment parameters of the pool 1 and the operation parameters of the trailer 2 in the test process are collected, and the environment and the state of the trailer system in the test operation or the shutdown state are timely sensed, so that the judgment and the corresponding measures are taken, the health monitoring of the trailer system is realized, and the system is particularly suitable for the high-speed test of the control system of the towing pool.
Acquiring environmental monitoring data of the pool 1 and operation parameters of the trailer 2 in real time through a health state monitoring system, and transmitting the environmental monitoring data and the operation parameters to a server of a centralized control center 3 for centralized management; the safety threshold value of corresponding parameters is preset through the server, when the actual monitoring value exceeds the safety threshold value, an alarm is prompted, for example, the temperature safety threshold value of the gas cabinet is set to 65 ℃, and when the actual monitoring value is higher than 65 ℃, the server feeds back an alarm and judges to stop the machine in time; in addition, when the parameter does not reach the safety threshold, but the change trend is abnormal, the server also feeds back an early warning prompt, for example, the safety threshold of the motor operation temperature is 65 ℃, the historical operation data is stable at 30-40 ℃, and when the monitoring value is 55 ℃, although the safety threshold is not exceeded, the server still feeds back early warning information to provide a prompt for a technician, and intervenes to carry out maintenance diagnosis on the motor to prevent the motor from getting ill in the bud.
According to the invention, through the arrangement of the health state monitoring system on the trailer system, the sensing module carries out timely intelligent diagnosis on the environment state and the running state, so that the smooth operation of the towing test is greatly assisted, and the reliability and the effectiveness of the test are ensured.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.

Claims (7)

1. A trailer system health monitoring system characterized in that: the trailer system comprises a long and narrow water pool (1), trailers (2) are installed across two sides of the water pool (1), the trailers (2) run along the length direction of the water pool (1) by taking rails (4) on two sides of the water pool (1) as a guide, and the trailer system further comprises a centralized control center (3) positioned outside the side face of the water pool (1); the inner wall surfaces of two opposite sides of the pool (1) are provided with an environment monitoring system, the test environment parameters of the whole pool (1) are collected, and the collected data are transmitted to a server in the centralized control center (3) in real time; the operation monitoring system is arranged on the trailer (2), and is used for acquiring the operation parameters of the trailer (2) in the test process and transmitting the acquired data to the server of the centralized control center (3) in real time through a wireless network;
the front end and the rear end of the trailer (2) in the running direction are both provided with laser sensors, and the real-time distance between the front or the rear of the trailer and an obstacle is monitored through the laser sensors; a pantograph is arranged in the middle of the front end of the trailer (2), walking wheels matched with the corresponding tracks (4) are respectively arranged at four corners of the trailer (2), the pantograph provides power for a motor driving the walking wheels to rotate, and a power meter for collecting power parameters is arranged on the pantograph; the motor is controlled by the direct-current speed regulator to work, and the motor also comprises a speed measuring wheel which synchronously runs with the travelling wheel, and an encoder is arranged on the speed measuring wheel; the laser sensor, the power meter, the direct current speed regulator and the encoder are respectively and electrically connected to the PLC, and the encoder is electrically connected with the direct current speed regulator to realize real-time speed measurement feedback; the PLC is accommodated in the electrical cabinet and electrically connected to the industrial personal computer to form an operation monitoring system of the trailer (2); the industrial personal computer is connected to the server through a wireless network;
the laser sensor comprises a protection laser sensor and a ranging laser sensor, the measuring distance of the ranging laser sensor is greater than that of the protection laser sensor, and the measuring precision of the protection laser sensor is higher than that of the ranging laser sensor; the distance between the front or the rear of the trailer (2) and the obstacle is detected in real time through the ranging laser sensor, the front and the rear obstacles are monitored through the protection laser sensor, detection and monitoring parameters are fed back to the PLC, the PLC judges after receiving signals of the protection laser sensor, and the emergency stop or the continuous operation of the trailer (2) are controlled.
2. A trailer system health monitoring system as claimed in claim 1 wherein: the temperature sensors are respectively arranged on the electrical cabinet and the motor, the temperature in the operation process is monitored in real time through the temperature sensors, and the temperature sensors are electrically connected with the PLC.
3. A trailer system health monitoring system as claimed in claim 1 wherein: still include the braking system through hydraulic system control, install pressure sensor among the hydraulic system, through pressure sensor real-time supervision hydraulic pressure, pressure sensor and PLC controller electric connection.
4. A trailer system health monitoring system as claimed in claim 1 wherein: two opposite side walls of the pool (1) are provided with environmental temperature and humidity sensors (11) at intervals along the length direction, and the environmental temperature and humidity sensors are used for detecting the real-time temperature and humidity of the pool environment; water temperature sensors (12) are further arranged on two opposite side walls of the water pool (1) at intervals along the length direction, and measuring heads of the water temperature sensors (12) extend below the liquid level to be used for detecting the real-time water temperature; the environment temperature and humidity sensor (11) and the water temperature sensor (12) are respectively connected to the wireless concentrator through wireless signals, and the wireless concentrator is electrically connected to the first switch; an air pressure sensor (13) is further mounted on the side wall surface of the water pool (1), and the air pressure sensor (13) is electrically connected to the first switch; together constitute an environmental monitoring system of the pool (1).
5. The trailer system health monitoring system of claim 4, wherein: the interval between adjacent environment temperature and humidity sensor (11) is 50m, and the interval between adjacent temperature sensor (12) is 50m, 4 groups have been arranged along the length direction in pond (1) to wireless concentrator, and the equal electrically connected of single group wireless concentrator has a switch one, the radius of coverage of switch one is 80 meters.
6. The trailer system health monitoring system of claim 5, wherein: the first switch is electrically connected to the second switch, the second switch is located in the centralized control center (3), and the second switch is electrically connected with the server.
7. The trailer system health monitoring system of claim 4, wherein: the number of the air pressure sensors (13) is two, and the air pressure sensors are respectively arranged on two side walls of the water pool (1).
CN202110393945.4A 2021-04-13 2021-04-13 Trailer system health status monitoring system Active CN113110277B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110393945.4A CN113110277B (en) 2021-04-13 2021-04-13 Trailer system health status monitoring system

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Application Number Priority Date Filing Date Title
CN202110393945.4A CN113110277B (en) 2021-04-13 2021-04-13 Trailer system health status monitoring system

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CN113110277B true CN113110277B (en) 2022-04-12

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Publication number Priority date Publication date Assignee Title
CN117213894B (en) * 2023-11-08 2024-01-26 青岛船研深海技术有限公司 Abnormal operation monitoring system for ocean engineering equipment

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CN103162934B (en) * 2013-01-14 2015-05-27 中国特种飞行器研究所 Novel hydrodynamic test high-speed trailer
CN104990685A (en) * 2015-07-01 2015-10-21 浙江海洋学院 Combined wing motion control mechanism for water-power model test
CN105588612B (en) * 2016-03-18 2017-12-05 中国海洋大学 A kind of jack-up unit wave loadings experimental data collector and method
CN207360519U (en) * 2017-11-08 2018-05-15 魏星 There is the experiment ship model of Anti-bumping protection
CN108106592A (en) * 2017-12-01 2018-06-01 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) Carriage track flatness automatic detection device and its detection method

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