CN111044869A - Port wharf insulation online detection system - Google Patents
Port wharf insulation online detection system Download PDFInfo
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- CN111044869A CN111044869A CN202010065905.2A CN202010065905A CN111044869A CN 111044869 A CN111044869 A CN 111044869A CN 202010065905 A CN202010065905 A CN 202010065905A CN 111044869 A CN111044869 A CN 111044869A
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- 238000009413 insulation Methods 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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Abstract
The wharf equipment system is in a severe environment with high salt mist and humidity, the equipment mainly has high power, equipment aging is easy to occur, and meanwhile, the technical means for supervision is lacked, so that the problems of electric leakage and safety of the whole monitoring system are easily caused. The invention applies the cloud service technology to an insulation monitoring system, analog quantity data signals of a low-voltage detection system and a high-voltage detection system enter a data acquisition conversion device and then enter a PLC control system, the data acquisition conversion device comprises a small cabinet monitoring and an electric room monitoring, the PLC transmits the data to a gateway FBOX through a WIFI or 4G framework, simple data processing is carried out, and finally the data are uploaded to a cloud server, the cloud server can read the data from an RCMS database through the RCMS framework to realize historical playback and operation statistical functions, and finally all the data are transmitted to a WEB end and an APP end, so that the aging position of the insulation system can be monitored in real time, and the time, labor and economic costs are reduced.
Description
Technical Field
The invention mainly relates to an industrial control monitoring system, in particular to port and wharf insulation monitoring equipment.
Background
The port and pier equipment system is in severe environments such as high salt fog and humidity, the equipment mainly has high power and is easy to accelerate equipment and cable aging, and the problems can cause safety problems such as electric leakage, shutdown, fire and the like. Therefore, the insulation monitoring system is very important for the whole wharf system, the safety problem of the equipment in severe environment can be guaranteed, and the working efficiency of the whole wharf equipment can be improved. The common insulation detection equipment system usually monitors each motor and circuit loop on site, such as an auxiliary loop, a lighting circuit and a control loop, so as to report the insulation state of the power system in real time. However, such a method can only monitor a single insulation system and a single device, so that it is difficult for a manager to uniformly manage the whole operating system in real time, and the personnel cost and the economic cost of an enterprise are increased substantially.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention discloses a software development platform based on an Internet of things equipment system, a cloud server is introduced into a port and wharf insulating equipment monitoring system, data are directly collected from a client controller and uploaded to a cloud, all calculation and data conversion are completed by the cloud server, and a client does not need to establish a server network. Meanwhile, related data exchange of an upper computer or an RCMS system is utilized, real-time monitoring of a local touch screen can be increased, a 4G-RCMS framework can be carried out through a cloud server, remote data management and program updating are achieved, a mobile phone APP is achieved, related information is opened to different managers according to client requirements, and the like. The technology only needs a controller on the equipment to have a mainstream (RS 485/232, Ethernet, DP and other data interfaces), and the company manager and the remote user can monitor and diagnose large machinery through IE and other general browsers and an APP mobile client through a 5G/4G/WIFI communication module and collect real-time data of a programmable controller and a driver of a control system, and the internet equipment management system designed by the company manager and the remote user can be a comprehensive management system integrating monitoring, fault recording and diagnosis, equipment maintenance and production statistics.
Technical scheme
The technical scheme provided by the invention for solving the technical problem is as follows: the design is a wharf equipment insulation monitoring system based on the Internet of things, and the wharf equipment insulation monitoring system comprises a low-voltage insulation monitoring system, a high-voltage insulation monitoring system, a cloud service platform, a control terminal and an RCMS framework.
The invention is realized by the technical scheme, and the industrial automation system for insulation control is characterized in that an insulation motor is arranged in front of a diesel generator, the motor, a DC isolation power supply and an AC isolation power supply so as to monitor each circuit loop, then information transmission is carried out through an RS485 address bus or an Ethernet, signals are transmitted to a PLC controller, the PLC transmits data to an FBOX gateway and then transmits the data to a cloud server for data analysis and processing, meanwhile, the cloud server can read data from a database through an RCMS framework so as to realize data review and statistical functions, and finally all data are transmitted to an APP end and a WEB end to realize real-time monitoring for customers.
By further explaining the principle, the system can detect the insulation impedance between the ground neutral point and a direct current system, a single-phase or three-phase low-voltage system and an alternating current and direct current hybrid system in real time, so that the system can detect the insulation impedance to the ground of the system with the ground fault and slow change in early stage, and the occurrence of the insulation fault can be warned. The system can determine the location of the fault point through isolation detection.
In the ground system, a plurality of differential current monitoring modules detect a fault current of the ground system by using the differential current, thereby preventing equipment shutdown caused by electrical faults, even electrical fire and the like caused by long-term leakage accumulation. In an ungrounded system, the insulation monitoring module monitors the insulation resistance to ground of the ungrounded system. The leakage safety of the ungrounded system is ensured by monitoring the insulation resistance to the ground.
Through the system, the insulation performance of the power distribution network or the operation equipment is measured, and the insulation state of the equipment in the operation process is known and evaluated, so that the phenomenon that the local line is overloaded and insulated and damaged due to nonstandard component selection is avoided as much as possible, and the heat accumulation is caused under the condition of long-term operation due to overlarge ground current. The reliability and the safety of the equipment operation are improved.
The insulation system 1 can be divided into a low-voltage insulation system and a high-voltage insulation system according to different control objects, the low-voltage insulation monitoring system can be used for early warning the occurrence of insulation faults by detecting the insulation state between a neutral point and the low-voltage system in real time, and can be used for fault location by isolation detection.
The high-voltage insulation monitoring system couples local discharge pulse current signals at the cable body and the joint through the high-frequency current sensor, then transfers the signals to the front-added detection collector, performs discharge characteristic extraction on the signals collected by all the sensors through the monitoring host and writes the signals into a database, and simultaneously displays detection results and fault point information on a software panel of the detection system.
The low-voltage and high-voltage insulation systems transmit signals to the data sampler, the signals are converted into signals in the PLC, the signals enter the FBOX, and finally the signals enter the cloud server to read the database through the RCMS framework to realize history review, so that real-time monitoring and data statistics are realized.
2 the whole PLC control is divided into an electric room part and a small cabinet part, wherein the electric room part and the small cabinet part are connected through RS485 serial port communication or Ethernet. The electric room part can receive a lifting motor, a cart motor, a trolley motor, an anti-shaking motor, a cart brake, a steering pump motor, a master control power supply and the like. The trolley cabinet part comprises a lifting motor fan, a lifting brake, a trolley brake, an anti-swing brake, a lifting appliance motor and the like. Each motor enters into the PLC's that enters into dolly cabinet and electric room respectively in insulating sensor's the switch board, enters into FBOX gateway at last, enters into cloud ware, further reads data from the database through the RCMS framework, enters into WEB end and APP end at last.
3 the whole RCMS framework can be divided into a state monitoring module, an equipment maintenance module, a production statistics module, a report generation module and a PLC programming module, and is finally displayed at a WEB end and an APP end. The state monitoring module realizes the state monitoring function of the system, the bottom of most pictures of the system is provided with a standard toolbar, and the top of most pictures of the system is provided with a standard alarm information bar. The whole monitoring content comprises the production state of the crane, the parameter change during the operation of the motor, the current states of the buttons and the switch, the states of all emergency stop buttons, the change states of real-time trend and historical trend, the communication condition of the slave station and the PLC, the working state of the air switch of the power supply line and the fault alarm state. And the equipment maintenance module is mainly used for defining alarm conditions for equipment maintenance. And the production statistical module can statistically generate the operation number in real time and display the processed record of each container. And the report generation module is used for providing various operation statistical reports according to the requirements of the clients. The generated files are stored in the designated folder. And the PLC programming tool module is used for PLC programming and fault removal, and real-time monitoring and online modification of a PLC program.
Specific methods of operation of the invention
1 we search for "device cloud assistant" in app store of android phone or appstar of IOS system and download.
2 after the downloading is finished, opening the software and inputting the unit domain name in the domain name.
And 3, after the input is finished, the motor enters a company login interface next step, and the motor is required to log in and operate by using an administrator and a personal special account password.
4, after login is successful, all directories and model numbers of the equipment are displayed.
5 when the device is on-line, the user can click to enter the monitoring picture of the device.
And 6, pressing a personnel positioning button to display the positioning of all login account engineers.
The gain effect of the invention is
The system 1 can provide a single point and can monitor the sites in real time, the server performs statistical analysis, corresponding fault information is given, the fault is accurately positioned and unknown, the workload of daily maintenance is reduced, the maintenance efficiency is improved, and the potential safety hazard is reduced. The system can perform early warning of insulation protection and threshold setting of alarming, independently adjust the range of 0K-50M, and realize local and remote alarming prompt.
2, the system measures the insulation performance of the power distribution network or the operation equipment, and knows and evaluates the insulation state of the equipment in the operation process. Therefore, the phenomenon that the local circuit is overloaded and damaged due to the non-standard type selection of the original device, so that the ground current is too large, heat accumulation is caused under the long-term operation, and finally the resulting fire disaster is avoided as much as possible, and the reliability and the safety of the operation of the equipment are improved.
3, a grounding system has a fault problem, and an electrical fire or an accident caused by slow accumulation of insulation faults is avoided; the resistance between the component and the ground is high, the component is exposed, the conductive component and the periphery generate heat due to long-time electric leakage, and the multipoint current protection device cannot protect the conductive component and the periphery.
In 4 standard applications, the leakage detection module can be used in a direct current system or a pulsating direct current system, and can also be used in a leakage monitoring module of a hybrid system.
5, the loss caused by the accidental shutdown is avoided, the fault information is obtained in advance, the maintenance is completed in the running process of the system, the shutdown is not needed, and the system works with diseases.
And 6, preventing an electrical fire, monitoring the insulation fault which changes slowly, and avoiding the electrical fire as much as possible.
The safety of the working environment is improved, and system faults caused by ground faults are avoided. The maintenance time is saved, and the maintenance time and cost brought by the later-stage fault are reduced by finding the insulation fault in the early stage.
7 the insulation monitoring system is provided with a touch screen monitoring and operating system.
Through the touch scheme, the insulation state of the current system can be rapidly known, and the historical event of fault elimination can be read through the time recording page. Can use the USB flash disk intercepting fault information at any time, convenient and fast. And technical data such as system drawings and the like pre-stored in the touch screen can be read on site.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following more detailed description of exemplary embodiments of the present invention when taken in conjunction with the accompanying drawings. Wherein like reference numerals generally refer to like parts throughout the exemplary embodiments of the invention.
FIG. 1 is a block diagram of an overall insulation monitoring system
1-1 low-voltage insulation module 1-2 high-voltage insulation module 1-3 trolley cabinet 1-4 electrical cabinet 1-5FBOX gateway 1-6 cloud server 1-7RCMS framework 1-9WEB end and APP end
FIG. 2 electric layout diagram of low-voltage insulation monitoring system
2-1, 2-2,2-3,2-4,2-5 insulation host
FIG. 3 is a diagram of a PLC internal port communication wiring
FIG. 4 is an overall structure diagram of RCMS architecture
4-1 state monitoring module 4-2 equipment maintenance module 4-3 production statistics module 4-4 report generation module 4-5PLC programming module
FIG. 5 is an electrical schematic diagram of a high voltage insulation monitoring system
5-1 high-voltage insulation module 5-2 high-voltage insulation module 5-3 switch cabinet 5-4 high-voltage insulation module 5-5 transformer 5-6 rectifier 5-7 turntable
Detailed description of the preferred embodiment
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and it is obvious for those skilled in the art that other related drawings can be obtained according to these drawings without any effort.
Example 1 Low Voltage detection System
As shown in fig. 2, since the low-voltage system has low requirement on the resistance value of the sensor, the insulating host 2-1 is selected to be used. An insulated host sensor 2-1 is arranged in front of a diesel generator, a motor and a DC isolation power supply to detect whether a cable leaks electricity. As shown in figure 1, the insulating host transmits the condition of the cable to a PLC controller of a PLC located in an electric room 1-4, the controller transmits a data signal to FBOX1-5, the signal is transmitted to a cloud server 1-6 after simple numerical calculation, and the signal is transmitted to an APP end and a WEB end 1-9 after system data processing. Meanwhile, the cloud server utilizes the RCMS framework 1-7, and the system can read data from the database at any time, so that real-time monitoring and monitoring are realized.
EXAMPLE 2 high pressure detection System
As shown in figure 3, because a high-voltage system has high requirement on the resistance value of the sensor, a high-voltage insulated sensor 5-1 is selected, is installed in front of a switch cabinet 5-3, and a high-voltage insulated sensor 5-2 is installed at a rotating disc 5-7 point. And a high-voltage insulation sensor 5-4 is arranged on a cable in front of the switch cabinet 5-3. And a high-voltage insulation sensor is arranged in front of the transformer 5-5. The sensor transmits a data signal to the electrical room PLC controller. As shown in fig. 1, the PLC controller transmits signals to FBOX gateways 1-5, and after simple operation, transmits data signals to cloud servers 1-6, reads real-time data from a database through RCMS framework 1-7 in the cloud servers, so as to realize real-time transmission of data, and finally transmits all data to WEB terminals and APP terminals 1-9.
Claims (4)
1. The utility model provides an insulating intelligent security management control monitored control system which characterized in that: the cloud configuration software technology is applied to the insulation monitoring system, the cloud configuration software technology comprises an information transmission system part which comprises a cloud server, an FBOX gateway, an RCMS framework, an PlC control part which comprises a trolley room control system, an electric room control system and an insulation detection part, and a low-voltage insulation system and a high-voltage insulation monitoring system form a complete intelligent wharf insulation monitoring system.
2. The insulated intelligent security management control monitoring system of claim 1, wherein: and (4) signal transmission between the FBOX gateway and a cloud server, wherein the cloud server reads data from a database of the RCMS.
3. The insulated intelligent safety management control monitoring system according to claim 1, wherein for the low-voltage control object, after the PLC detects the state of insulation to enter the FBOX gateway, the data is calculated and processed to enter the background cloud.
4. The system according to claim 1, wherein the high voltage insulation system is monitored by the customer through PLC, FBOX, cloud server, WEB and APP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065905.2A CN111044869A (en) | 2020-01-20 | 2020-01-20 | Port wharf insulation online detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065905.2A CN111044869A (en) | 2020-01-20 | 2020-01-20 | Port wharf insulation online detection system |
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| CN111044869A true CN111044869A (en) | 2020-04-21 |
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| CN202010065905.2A Pending CN111044869A (en) | 2020-01-20 | 2020-01-20 | Port wharf insulation online detection system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101123545A (en) * | 2006-08-08 | 2008-02-13 | 上海沪东集装箱码头有限公司 | Device maintenance management system for container wharf |
| CN106019106A (en) * | 2016-07-27 | 2016-10-12 | 四川欧伦电气设备有限公司 | Internet lab online insulation monitoring system |
| CN106698197A (en) * | 2016-12-01 | 2017-05-24 | 上海振华重工电气有限公司 | System for online diagnosis and preventive maintenance of container crane based on big data |
| CN108227617A (en) * | 2018-02-13 | 2018-06-29 | 上海振华重工(集团)股份有限公司 | A kind of tyre crane remote detection and assessment system |
| CN207677507U (en) * | 2017-12-20 | 2018-07-31 | 北京天泰隆科技有限公司 | Intelligent cloud acquisition system for monitoring power distribution |
| CN209184630U (en) * | 2018-12-29 | 2019-07-30 | 湖州永汇水处理工程有限公司 | A kind of cloud configuration remote monitoring system |
| CN209232119U (en) * | 2019-01-11 | 2019-08-09 | 陕西中兴祥林电子科技有限公司 | A kind of box-type substation monitoring and alarming system based on cloud service platform |
-
2020
- 2020-01-20 CN CN202010065905.2A patent/CN111044869A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101123545A (en) * | 2006-08-08 | 2008-02-13 | 上海沪东集装箱码头有限公司 | Device maintenance management system for container wharf |
| CN106019106A (en) * | 2016-07-27 | 2016-10-12 | 四川欧伦电气设备有限公司 | Internet lab online insulation monitoring system |
| CN106698197A (en) * | 2016-12-01 | 2017-05-24 | 上海振华重工电气有限公司 | System for online diagnosis and preventive maintenance of container crane based on big data |
| CN207677507U (en) * | 2017-12-20 | 2018-07-31 | 北京天泰隆科技有限公司 | Intelligent cloud acquisition system for monitoring power distribution |
| CN108227617A (en) * | 2018-02-13 | 2018-06-29 | 上海振华重工(集团)股份有限公司 | A kind of tyre crane remote detection and assessment system |
| CN209184630U (en) * | 2018-12-29 | 2019-07-30 | 湖州永汇水处理工程有限公司 | A kind of cloud configuration remote monitoring system |
| CN209232119U (en) * | 2019-01-11 | 2019-08-09 | 陕西中兴祥林电子科技有限公司 | A kind of box-type substation monitoring and alarming system based on cloud service platform |
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Application publication date: 20200421 |