CN102393715A - Method and system for monitoring and diagnosing large scale equipment remotely - Google Patents

Abstract

The invention discloses a method and a system for monitoring and diagnosing large scale equipment remotely. The method comprises the steps as follows: firstly, a PLC (Programmable Logic Controller) analyzes collected running data of the large scale equipment on an engineering site, and transmits the data to an internet by a 3G (the third generation telecommunication) wireless network; secondly, a monitoring center platform builds a safe information channel with the PLC by a VPN (Virtual Private Network) router and a VPN fire bulkhead; thirdly, the monitoring center platform analyzes and processes data passing by the safe information channel, and monitors and diagnoses the large scale equipment; and fourthly, the PLC controls the large scale equipment according to the detection and diagnosis results sent back by the monitoring center platform. The method and the system can enhance the data transmission rate and improves the data transmission safety.

Description

A kind of main equipment is carried out remote monitoring method of diagnosing and system

Technical field

The present invention relates to a kind of main equipment carried out remote monitoring method of diagnosing and system, belong to the remote monitoring diagnostic field.

Background technology

The pattern of heavy mechanical equipment (material handling equipment, mechanical engineering equipment, mining equiment etc.) monitoring, diagnosing has experienced from the unit monitoring, diagnosing to distributed monitoring to be diagnosed, and arrives the such development course of network-based remote monitoring, diagnosing again.In recent years; Fast development along with Internet mechanics of communication and wireless network; People begin one's study and put into practice remote fault diagnosis method; Wherein how to realize on a large scale in the Distributed Application, the transmission process of various field datas, Long-distance Control, and the remote maintenance of field apparatus all is the problem that people are concerned about very much.

But present remote monitoring diagnostic mode, the transfer rate of its communication data is lower, and real-time is bad, and data are obtained by the Internet disabled user easily, and security is not high.

Summary of the invention

The objective of the invention is to, provide a kind of main equipment is carried out remote monitoring method of diagnosing and system, it can improve the transfer rate of communication data, strengthens safety of data transmission.

For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of main equipment is carried out the remote monitoring method of diagnosing, may further comprise the steps:

S1, the PLC controller is analyzed the service data of the main equipment of the engineering site of collection, and data are arrived the Internet through the 3G wireless network transmissions;

S2, Surveillance center's platform is set up the information security passage through vpn routers and VPN fire wall and PLC controller;

S3, Surveillance center's platform analyzing and processing is passed through the data of information security channel transfer, and main equipment is monitored, diagnosed;

S4, detection, diagnostic result that the PLC controller returns according to Surveillance center's platform are controlled main equipment.

Aforesaid a kind of main equipment is carried out in the remote monitoring method of diagnosing, said information security passage are encrypted the transmission data and the identity that request receives the user of data are verified.

Aforesaid a kind of main equipment is carried out in the remote monitoring method of diagnosing, said main equipment comprises material handling equipment, mechanical engineering equipment and mining equiment.Specifically comprise harbour handling and material transfer equipment ship unloaders, An Qiao, bucket-wheel stacker reclaimer, ship loader, circular piling materials take-out, tippler, surface mine casting equipment dumping plough, elevating conveyor etc.

Aforesaid a kind of main equipment is carried out in the remote monitoring method of diagnosing, the service data of said main equipment comprise parameters such as the electric current, voltage, frequency, power of Device Host structure operation, and data such as the warning message of control system, operation note.

Aforesaid a kind of main equipment is carried out in the remote monitoring method of diagnosing, said Surveillance center platform are also stored the data through analyzing and processing.

Aforesaid a kind of main equipment is carried out in the remote monitoring method of diagnosing, Surveillance center's platform is monitored, is diagnosed and comprise main equipment among the said step S3: equipment control, monitoring of tools, equipment operation statistics, map system, alarming and managing, form, control of authority, network management and machine maintenance record.

Realize a kind of system that main equipment is carried out the remote monitoring diagnosis of preceding method; Comprise: the engineering site and the Surveillance center's platform that connect in order; Engineering site comprises main equipment, the input/output signal collector that connects in order, PLC controller and the 3G wireless router of being with ethernet module; Surveillance center's platform comprises VPN fire wall, vpn routers and the Surveillance center's client that connects in order, and the 3G wireless router connects the VPN fire wall.

In aforesaid a kind of system that main equipment is carried out remote monitoring diagnosis, said main equipment comprises material handling equipment, mechanical engineering equipment, mining equiment.Specifically comprise harbour handling and material transfer equipment ship unloaders, An Qiao, bucket-wheel stacker reclaimer, ship loader, circular piling materials take-out, tippler; Comprise surface mine casting equipment dumping plough, elevating conveyor etc.

In aforesaid a kind of system that main equipment is carried out remote monitoring diagnosis, the PLC controller can adopt the PLC system of each main brand company, for example AB, SIEMENS, ABB, SCHNEIDER, GE etc.

In aforesaid a kind of system that main equipment is carried out remote monitoring diagnosis; The 3G wireless router adopts high performance ARM9 processor and perfect software and hardware house dog mechanism; Built-in 10/100Mbps Ethernet interface has the 2.5G/3G network savvy, supports GPRS/EDGE/WCDMA, CDMA 1x/EVDO, TD-SCDMA standard (heterogeneous networks; Different model), can insert the most mobile operator network in the whole world; Have the VPN function, support IPSec VPN, be convenient to Surveillance center and directly visit the engineering site network that main equipment, PLC controller and 3G wireless router are formed.

In aforesaid a kind of system that main equipment is carried out remote monitoring diagnosis; The VPN fire wall is an equipment of assisting to guarantee information security; Can allow the data of perhaps restriction transmission to pass through according to rules specific, support to have the Intranet technical system VPN (Virtual Private Network) of Internet service characteristic; Can be an exclusive hardware, also can be to be erected at the cover of one on typical hardware software.

In aforesaid a kind of system that main equipment is carried out remote monitoring diagnosis, said Surveillance center platform also comprises the Surveillance center's data server that is connected with the Surveillance center client, is used to store the data after Surveillance center's platform analyzing and processing.

Compared with prior art; Among the present invention; On-the-spot main equipment adopts netting twine to be connected with the PLC controller; And adopt the mode of the wireless route of 3G to send the equipment operating data that the input and output collecting device is gathered to Surveillance center, need not lay signal transmission cable, as long as the place that the 3G wireless network covers can realize through unified Surveillance center's management platform the main equipment that is in the unit operation state being carried out the remote monitoring Diagnosis Service; Can well solve restriction of communication data transfer rate and apparatus and process restriction, transfer rate is compared traditional G PRS technology and has been improved 50%.

At Surveillance center's platform front end vpn routers and VPN fire wall are set, VPN (Virtual Private Network) adopts safety techniques such as encryption and authentication, guarantees to connect user's the reliability and the safety and the confidentiality of transmission data; Prevent that the Internet disabled user from obtaining device data, the most hardware designs of 3G terminal is comparatively common, VPN encryption and decryption process need high processing ability; How to guarantee on the basis of 3G equipment dirigibility, realize high electrical-magnetic compatibility, high-temperature scope and high encryption and decryption performance, just become the difficult point of router design; 3G wireless router in the present technique scheme adopts high performance ARM9 processor; Software and hardware house dog mechanism through perfect has guaranteed the stable operation of equipment VPN agreement, has promoted the encryption/decryption speed of equipment to greatest extent; Reduced as much as possible and encrypted the unnecessary delay that the back produces; Make link on stable basis, realize encryption, guarantee and the seamless link of equipment PLC controller system, make safety of data transmission improve 30%.

In the process of transmission data while Long-distance Control field apparatus; Can draw the ubiquitous problem of equipment through analyzing the data that receive; Make amendment in the design phase; The excelsior purpose of the equipment that reaches has reduced on-the-spot staff's quantity and the workload that monitoring of tools is safeguarded, has improved the utilization factor of human resources.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of the present invention;

Fig. 2 is the principle of work process flow diagram of a kind of embodiment of the present invention.

Reference numeral: 1-engineering site, 2-Surveillance center platform, 3-main equipment, 4-input/output signal collector, 5-PLC controller, 6-3G wireless router, 7-VPN fire wall, 8-VPN router, 9-Surveillance center client, 10-Surveillance center data server.

Below in conjunction with accompanying drawing and embodiment the present invention is further described.

Embodiment

Embodiments of the invention: a kind of main equipment is carried out the remote monitoring method of diagnosing; May further comprise the steps: S1; The PLC controller is analyzed the service data of the main equipment of the engineering site of collection, and data are arrived the Internet through the 3G wireless network transmissions;

S2, Surveillance center's platform is set up the information security passage through vpn routers and VPN fire wall and PLC controller;

S3, Surveillance center's platform analyzing and processing is passed through the data of information security channel transfer, and main equipment is monitored, diagnosed;

S4, detection, diagnostic result that the PLC controller returns according to Surveillance center's platform are controlled main equipment.

Said information security passage is encrypted the transmission data and the identity that request receives the user of data is verified.

Said main equipment comprises material handling equipment, mechanical engineering equipment and mining equiment.Specifically comprise harbour handling and material transfer equipment ship unloaders, An Qiao, bucket-wheel stacker reclaimer, ship loader, circular piling materials take-out, tippler, surface mine casting equipment dumping plough, elevating conveyor etc.

The service data of said main equipment comprises parameters such as the electric current, voltage, frequency, power of Device Host structure operation, and data such as the warning message of control system, operation note.

Said Surveillance center platform is also stored the data through analyzing and processing.

Surveillance center's platform is monitored, is diagnosed and comprise main equipment among the said step S3: equipment control, monitoring of tools, equipment operation statistics, map system, alarming and managing, form, control of authority, network management and machine maintenance record.

Wherein, the B/S frame mode is adopted at Surveillance center platform interface, can open through browser, and can support multi-client to open WEB interface access system simultaneously; Support the GIS map display function; This map is supported zoom function; And on this interface, can show the duty of each on-the-spot heavy industry equipment; Like states such as " online ", " off-line ", " real time data ", " running logs ", make things convenient for the user to recognize that intuitively equipment all is distributed in two ways.

But line dynamic is added equipment, accomplishes data collecting rule (comprising data transmission rule and alarm rule) through selecting corresponding type, and the user can be through mode service data collection rules such as interpolation, deletion, modification, inquiries.

Fault alarm: (1) main equipment can produce relevant warning message when operation; After producing warning message; The technical grade intelligent gateway can be sent to Surveillance center's platform with warning message; Platform can be pointed out the associated rights personnel after receiving warning message, in time gives the keeper with the alarm message reminding of equipment; (2) relevant warning message can show at platform; And prompting contents such as " device type information, alarm content information, failure messages "; Be convenient to the user and in time respond, can notify relevant device keeper and service engineer with the mode of note and mail simultaneously; (3) the remote monitoring maintenance platform can be stored in relevant warning message in Surveillance center's data server, is convenient to functions such as user's historical query and data statistic analysis, and the user can inquire about by the time mode according to the demand of oneself.

Remote maintenance: Surveillance center's platform safeguards directly that for the user PLC controller equiment of on-the-spot main equipment provides the maintenance channel link; Make the service engineer through network insertion Surveillance center platform; Set up maintenance channel with the main equipment at scene; Thereby realize remote debugging, modification, the on-the-spot heavy industry equipment of inquiry related data, can onlinely call PLC director demon and design drawing etc. through platform, the service engineer needs to submit to the maintenance information record after safeguarding.

Surveillance center's platform can receive the data message that on-the-spot main equipment is uploaded in real time, and shows in several ways that at platform the user can get information about equipment running.The service engineer can judge the state of field apparatus operation, effectively watch-dog through data quasi real time.List the following running status that needs demonstration:

(1) operation, the halted state of real-time each mechanism of display device, and can in database, inquire the T.T. that brings into operation the moment and this time move;

(2) show the current value of necessary mechanism motor in real time, and can in database, inquire historical numerical value, can generate trend map simultaneously;

(3) show some values of thrust in real time, and can in database, inquire historical numerical value, can generate trend map simultaneously;

(4) show all angles value in real time, and can in database, inquire historical numerical value, can generate trend map simultaneously;

(5) show the closing of some important switch, branch state in real time, and can in database, inquire each on/off switch constantly.

The user can be according to the actual demand definition report capability of oneself.The user can be according to needed report messages in the time Query Database; And system can provide formatted files such as generating Microsoft Office Excel worksheet or PDF to supply user's download, and statistical report form can make the user can clearerly recognize the data message that equipment is using.

Realize a kind of system that main equipment is carried out the remote monitoring diagnosis of preceding method; Its structural representation is as shown in Figure 1; Comprise: theengineering site 1 and the Surveillance center'splatform 2 that connect in order;Engineering site 1 comprisesmain equipment 3, the input/output signal collector 4 that connects in order,PLC controller 5 and the 3Gwireless router 6 of being with ethernet module; Surveillance center'splatform 2 comprisesVPN fire wall 7,vpn routers 8 and the Surveillance center'sclient 9 that connects in order, and 3Gwireless router 6 connectsVPN fire wall 7.

On-the-spotmain equipment 3 comprises material handling equipment, mechanical engineering equipment, mining equiment.Specifically comprise harbour handling and material transfer equipment ship unloaders, An Qiao, bucket-wheel stacker reclaimer, ship loader, circular piling materials take-out, tippler; Comprise surface mine casting equipment dumping plough, elevating conveyor etc.

PLC controller 5 can adopt the PLC system of each main brand company, for example AB, SIEMENS, ABB, SCHNEIDER, GE etc.

3Gwireless router 6 adopts high performance ARM9 processor and perfect software and hardware house dog mechanism; Built-in 10/100Mbps Ethernet interface; Has the 2.5G/3G network savvy; Support GPRS/EDGE/WCDMA, CDMA1x/EVDO, TD-SCDMA standard (heterogeneous networks, different model), can insert the most mobile operator network in the whole world; Have the VPN function, support IPSec VPN, be convenient to Surveillance center and directly visit the engineering site network thatmain equipment 3,PLC controller 5 and 3Gwireless router 6 are formed.

VPN fire wall 7 is an equipment of assisting to guarantee information security; Can be according to rules specific; Allow the data of perhaps restriction transmission to pass through; Support has the Intranet technical system VPN (Virtual Private Network) of Internet service characteristic, can be an exclusive hardware, also can be to be erected at the cover of one on typical hardware software.The hardware using Cisco ASA 5510 ofVPN fire wall 7.

Said Surveillancecenter platform 2 also comprises the Surveillance center'sdata server 10 that is connected withSurveillance center client 9, is used to store the data after Surveillance center'splatform 2 analyzing and processing.

The principle of work of a kind of embodiment of the present invention: (as shown in Figure 2)

Whenmain equipment 3 work of engineering site moved,PLC controller 5 was controlled the service data that input/output signal collectors 4 are gatheredmain equipments 3, and image data is analyzed, and data are passed through the 3G wireless network transmissions to the Internet;PLC controller 5 is set up the information security passage throughvpn routers 8 andVPN fire wall 7 and Surveillance center'splatform 1, andPLC controller 5 is through this information security passage enciphered data and be transferred to Surveillance center'splatform 1; Login user on Surveillance center'sclient 9 wants to receive data, must have only authentication success through the authenticating user identification of information security passage, could receive data; The monitoring software analyzing and processing of being located on Surveillance center'sclient 9 receives data, andPLC controller 5 is monitored, diagnoses and returned tomain equipment 3, the data after 10 inventory analysis of Surveillance center's data server are handled; The detection thatPLC controller 5 returns according to Surveillance center'splatform 1, diagnostic result are controlledmain equipment 3.

Claims (8)

1. one kind is carried out the remote monitoring method of diagnosing to main equipment, it is characterized in that, may further comprise the steps:

S1, the PLC controller is analyzed the service data of the main equipment of the engineering site of collection, and data are arrived the Internet through the 3G wireless network transmissions;

S2, Surveillance center's platform is set up the information security passage through vpn routers and VPN fire wall and PLC controller;

S3, Surveillance center's platform analyzing and processing is passed through the data of information security channel transfer, and main equipment is monitored, diagnosed;

S4, detection, diagnostic result that the PLC controller returns according to Surveillance center's platform are controlled main equipment.

2. according to claim 1ly a kind of main equipment is carried out the remote monitoring method of diagnosing, it is characterized in that: said information security passage is encrypted the transmission data and the identity that request receives the user of data is verified.

3. according to claim 1ly a kind of main equipment is carried out the remote monitoring method of diagnosing, it is characterized in that: said main equipment comprises material handling equipment, mechanical engineering equipment and mining equiment.

4. according to claim 1ly a kind of main equipment is carried out the remote monitoring method of diagnosing; It is characterized in that: the service data of said main equipment comprises electric current, voltage, frequency, the power parameter of Device Host structure operation, and the warning message of control system, record data.

5. according to claim 1ly a kind of main equipment is carried out the remote monitoring method of diagnosing, it is characterized in that: said Surveillance center platform is also stored the data through analyzing and processing.

6. according to claim 1ly a kind of main equipment is carried out the remote monitoring method of diagnosing; It is characterized in that Surveillance center's platform is monitored, diagnosed and comprise main equipment among the said step S3: equipment control, monitoring of tools, equipment operation statistics, map system, alarming and managing, form, control of authority, network management and machine maintenance record.

7. realize a kind of system that main equipment is carried out the remote monitoring diagnosis of the said method of claim 1～6; It is characterized in that; Comprise: the engineering site of seamless link (1) and Surveillance center's platform (2); Engineering site (1) comprises main equipment (3), input/output signal collector (4), PLC controller (5) and the 3G wireless router (6) that connects in order; Surveillance center's platform (2) comprises VPN fire wall (7), vpn routers (8) and the Surveillance center's client (9) that connects in order, and 3G wireless router (6) connects VPN fire wall (7).

8. a kind of system that main equipment is carried out the remote monitoring diagnosis according to claim 7; It is characterized in that: said Surveillance center platform (2) also comprises the Surveillance center's data server (10) that is connected with Surveillance center's client (9), is used to store the data after Surveillance center's platform (2) analyzing and processing.

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