CN201199401Y - Industry wireless network teaching real training system - Google Patents
Industry wireless network teaching real training system Download PDFInfo
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- CN201199401Y CN201199401Y CNU2008200935451U CN200820093545U CN201199401Y CN 201199401 Y CN201199401 Y CN 201199401Y CN U2008200935451 U CNU2008200935451 U CN U2008200935451U CN 200820093545 U CN200820093545 U CN 200820093545U CN 201199401 Y CN201199401 Y CN 201199401Y
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Abstract
The utility model discloses an industrial wireless network training system comprising a master station and a training station which are connected through industrial wireless network. The master station consists of a fault setting module, while the training station comprises a layout module. As the master station can rapidly wirelessly monitor and control the fault signals of all training stations, the monitor and control can be conducted singly and uniform control is realizable as well, with a random or designated proposal to realize supervision over faults. The training system is characterized by convenience, quickness, safety and high efficiency.
Description
[technical field]
The utility model relates to Web-based instruction field, particularly a kind of industry wireless network practice teaching system.
[background technology]
In the course of electrical practice training, increase the learning content of cloth barrier row barrier, both can increase the enjoyment in student's study and the experimentation, more can better instruct and examine student's practical operation, raising student's level of skill.
In cloth barrier process in the past, for realizing the function of cloth barrier, teacher needs manually certain the root line in the experimental loop to be disconnected, experiment needs again line is connected after finishing, not only inconvenience but also make mistakes easily, if as in time the line that disconnects being connected, just influence carrying out smoothly of testing easily after the special experiment next time.And because the implementation method of cloth barrier is manually line to be disconnected, the student is easy to directly find out the trouble spot with eyes, and fundamentally need not measure, test etc., do not reach the purpose that improves student's detection level.And, has certain danger owing to be the line that manually disconnects in the experimental loop.
In addition, in the experiment, after finishing, student experimenting needed teacher manually to give a mark and record in the past.
[summary of the invention]
Technical problem to be solved in the utility model is, overcomes the deficiencies in the prior art, provide a kind of deploy to ensure effective monitoring and control of illegal activities convenient and swift, industry wireless network practice teaching system safely and efficiently.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of industry wireless network experience system, comprise master station and practical traning platform, described master station comprises that fault is provided with module, described practical traning platform comprises the cloth module, described cloth module has the gauge tap of a control circuit folding, described fault is provided with module and is connected with described cloth module, and described master station is connected with described practical traning platform.
Described master station is connected by industrial infinite network with described practical traning platform.
Described practical traning platform also includes operational module, score module and alarm module, and described cloth module is connected with alarm module with described operational module, score module respectively.
Also comprise feedback module, described feedback module connects described practical traning platform and described master station.
Described feedback module one end connects the score module described in the described practical traning platform.
Described gauge tap is the relay of operation circuit break-make.
Described practical traning platform has in parallel two at least.
The beneficial effects of the utility model are: by master station each practical traning platform carried out the wireless fast fault-signal of deploying to ensure effective monitoring and control of illegal activities, both can deploy to ensure effective monitoring and control of illegal activities separately, also can unify control, can be at random or specified scheme, and realize the cloth barrier, convenient and swift, safe and efficient.
[description of drawings]
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is that fault of the present utility model is provided with the modular circuit synoptic diagram.
[embodiment]
As Fig. 1 and shown in Figure 2, a kind of industry wireless network practice teaching system, a kind of industry wireless network experience system comprises master station 1, practical traning platform 2 and feedback module 3, master station 1 and practical traning platform 2 are connected by industry wireless network, and feedback module 3 connects master station 1 and practical traning platforms 2.Be provided with fault in this master station 1 module is set, fault is provided with module and is used to be provided with line fault, as the experiment subject of investigating the circuit diagram fault, elected in when one of them or several wire size, circuit just opens circuit.This practical traning platform 2 includes cloth module 21, operational module 22, score module 23 and alarm module 24, cloth module 21 is connected with operational module 22, score module 23, alarm module 24 respectively, feedback module 3 one ends connect master station 1, an other end connects the cloth module 21 in the practical traning platform 2, cloth module 21 is used to arrange different circuit diagrams, cloth module 21 also comprises gauge tap, and this gauge tap is to be used for operation circuit break-make moral relay; Operational module 22 is used for being carried out circuit examination operation by the fieldworker, after the correct wiring of quilt examination person, electric diagram normally shows, if by fieldworker's wiring error, then by alarm module 24 display alarms, and by score module 23 and feedback module 3 result is preserved feedback so that to the record of being given a mark by the fieldworker.This practical traning platform 2 has in parallel at least two, different electric wiring break-makes can be made different schemes thus, and the fieldworker can directly select various schemes to investigate by the fieldworker, has reduced the trouble of heavy burden operation.
Fault is provided with module and has the optional majority width of cloth of following characteristics circuit diagram, and establishes free cloth barrier lab diagram, can control the circuit diagram of free setting; Can select whole cloth barrier to hinder by single cloth; Can carry out cloth barrier at random to a plurality of practical traning platforms or single practical traning platform simultaneously; Establish " full choosing " and " full cancellation " key when selecting practical traning platform, easy to operate simple; Can cancel the trouble spot of cloth easily; Can check cloth trouble spot.
The score module has following characteristics: the teacher who has authority can check cloth trouble spot; Can give a mark automatically behind student's input results; The teacher can check achievement and editor's achievement; Can deposit achievement in database.
Carry out the wireless fast fault-signal of deploying to ensure effective monitoring and control of illegal activities by 1 pair of each practical traning platform 2 of master station, both can deploy to ensure effective monitoring and control of illegal activities separately, also can unify control; Can be at random or specified scheme; Can store the result into the computing machine unified database and give a mark automatically record, print result; And can be by the operation of each student experimenting switch board of the convenient control of touch-screen, scoring and writing task.Switch board therein, promptly in the 9th cover PLC system, adopt touch-screen as on-the-spot man-machine interface, touch-screen is the MT506 of Weinview, 5.6 " very color; can realize by fieldworker's input checking result, watch control loop intuitively, can transmit information, remind by fieldworker's points for attention etc. from host computer.
After using native system, the fieldworker can realize the cloth barrier easily on computers, and is convenient and swift, safe and efficient.Contrast is not used before this system, and following characteristics are arranged:
1, the fieldworker can realize the cloth barrier easily on computers, and does not need manually to disconnect certain root line;
2, efficient height can carry out the cloth barrier to all cupboards at short notice, rather than line goes to tear open trouble and slow so one by one;
3, safety, the break-make of employing solid-state relay control line, the fieldworker fundamentally can not run into the line in the experimental loop, avoids dangerous;
4, can give a mark automatically and write down achievement, and deposit database in;
5, tool disguise owing to be to use relay control, is not seen that by the fieldworker disconnected which the root line of which root line closes, and must just can obtain a result by measuring.
In recent years, wireless communication technique had been widely used in civilian and commercial kitchen area, had created huge economic benefit.Along with developing rapidly of wireless communication technique, the industry control network wireless penetration starts already, and the reduction of the maturation of technology and cost from now on will impel wireless network to become the main flow of industry control.The new technology that wireless ethernet, bluetooth, Zigbee, infrared communication, GPS etc. emerge in an endless stream.
For the multiple wireless technology of present existence, from technical standpoint, the every kind of wireless communication technique that emerged in large numbers in recent years all has its application scenario that is fit to.The short distance people use infrared communication usually, proper from tens meters to tens of kilometers communications employing data radio station and wireless ethernet, surpass tens kilometers even reach data transmission then more uses CDMA of thousands of kilometers and telecommunication technology such as GPRS, because what the data transmission of so long distance required is not big data volume transmission or real-time communication, and only be the remote monitoring collection, this data volume, real-time are required under the lower situation, CDMA and GPRS are a kind of better and economic solutions.The wireless industrial application should be maximum market in tens meters of industrial circles or hundreds of rice scope, and the application of wireless industrial ethernet technology in this scope has clear superiority.
In a lot of fields, to the demand and the production management mode and relevant of device talk with the desired production efficiency that reaches of user.As at port and pier, the management control system of whole harbor district is not having before wireless system gets involved, and it all is by manually doing the information transmission that the container of harbour transports the work of grade, and efficient is very low, when the harbour quantity of information is very big, just almost can't finish.If but harbour has covered wireless signal, operating personnel get involved in the dispatching center at any time and send information, and work efficiency can become the growth of progression.A lot of fields such as logistics, harbour are not always the case, as long as there is the equipment that moves, and these equipment need control, are the good applied environments of wireless ethernet.
The wireless industrial Ethernet is a basically identical with Industrial Ethernet from technical feature and technical connotation, and the agreement of being deferred to is also the same substantially, only in some difference of Physical layer.Ethernet is the key technology of system in future networking, wireless ethernet is the main solution of wireless telecommunications, the necessity that the necessity that the wireless industrial Ethernet exists just exists as Industrial Ethernet: the fieldbus advantage is outstanding, in future very strong vitality being arranged for a long time, has been unquestionable but Industrial Ethernet will become future trend; New technologies such as bluetooth have its unique advantage, if just single point signals transmission, data volume is little, and it also is that the useful of wireless system replenished, but for a wireless network opening and system combination, the advantage of wireless industrial Ethernet is incomparable.
The transfer rate of wireless ethernet is that bluetooth, GPS, Zigbee etc. are beyond one's reach, and can reach 54Mbps, and the SCALANCE W wireless industrial Ethernet product of Siemens Company can reach the transfer rate of 108Mbps at present.Certainly, nowadays the scope of application of wireless industrial Ethernet does not also have Industrial Ethernet so big, and market also is in the stage cognitive and this technology of acceptance.Equipment connect compatible aspect, Industrial Ethernet has its powerful advantage, wireless industrial Ethernet product can be used as the useful of line products and replenishes, and replenishes industrial mobile communication application.
All the time, security is very important problem of industrial circle, and the security that people pay close attention to aspect wireless transmission has two aspects: safety of data and environmentAL safety.
That safety of data is meant is open in transmission method of signal, under the disclosed situation of agreement, how to guarantee the safety of signal and system.In this respect, all big enterprises all provide corresponding solution.Such as the leakage of Siemens Company at data, a lot of security mechanisms have been adopted in product inside, data encryption can be set, or give security server by authentication mode with more senior authentication and carry out, the user has the multiple choices such as mode from more rudimentary encryption to senior security server aspect safe class.
EnvironmentAL safety is meant, under inflammable and explosive environment, as colliery, chemical plant and other places, whether environmentAL safety exists hidden danger, also be divided into a lot of zones at this environment at different level of securitys, the SCALANCE W wireless product of Siemens can be applied to Division II district, uses in the I district if desired, and the product periphery need install explosion-proof tank additional.
Communication apparatus of the same type might produce interference, such as under the situation of 2.4G, the wireless ethernet technology is the same with the frequency range that bluetooth is used, if the waveform of bluetooth, signal is the words of rule, bluetooth might be disturbed it in theory, but actual conditions are not like this, because the data link layer of signal comprises the identification frame, the situation of Frame is all different fully, can overcome this interference problem by the verification that connects distance, and the interference of other frequencies, such as the undesired signal of power frequency interference or mobile phone signal, because the frequency range that employed frequency of these signals and WLAN use is at a distance of distant, so can ignore the disturbing factor of this model substantially.
The native system structure can also comprise overhead control station, subcontrol station, control station, controlling object.
Overhead control station and subcontrol station adopt industrial computer and Siemens WINCC software and wireless communication module W788-1PRO, are used to monitor the state of may command controlling object.
Control station is that Siemens S7-200 PLC links to each other with wireless communication module W744-1PRO.PLC receives the signal from overhead control station or subcontrol station, makes corresponding processing, by the output point output signal, and the control controlled device.And the information of controlled device can be back to overhead control station and subcontrol station.
Controlling object is the break-make of the line on the switch board, and the teacher is the break-make of control line on computers, to realize the function of cloth barrier.
40 cabinets have the attachable expansion module of PLC, program and data space, PPI communications protocol, MPI communications protocol, free way ability to communicate, have the PID controller, can carry out communication by buses such as Industrial Ethernet or Profinet and host computer.
24 output signal configurations of each switch board, 4 switch boards are by a PLC control output.Because 40 cupboards are arranged, so the control system configuration is the same, the same configuration needs 10 covers.If control requires change to some extent, the extendability of Siemens can satisfy the requirement that the client adjusts input and output and communication at any time.
At No. 33 switch board, promptly in the 9th cover PLC system, adopt touch-screen as on-the-spot man-machine interface, touch-screen is the MT506 of Weinview, 5.6 " very color; can realize student's input checking result, watch control loop intuitively, can transmit information, remind student's points for attention etc. from host computer.
The informational needs of switch board sends to central computer by wireless send mode, the wireless ethernet module Scalance W744-1 of the SCALANCE-W of Siemens is adopted in wireless telecommunications, adopt Ethernet to insert SCALANCE-W system at the PLC end, central computer can pass through the signal access SCALANCE-W of the mode of Ethernet with collection in worksite in addition, shows at the Centralized Monitoring center.
The control forms of PLC is adopted in the control of on-the-spot all devices, and PLC mainly is responsible for the break-make of output, and in conjunction with other control requirement, what PLC selected employing for use is the S7-224 controller of Siemens Company and the multiple spot output module of CP243-1 ethernet module and UniMAT.
Information shows main by configuration software, and the host computer of Centralized Monitoring adopts the WINCC that uses very general, powerful Siemens Company, can finish centralized control information.
By the requirement of control system, system is stored in the scheme of various controls in the computing machine in advance, when needs are selected testing scheme, and can be at random or specified scheme.
Siemens S7-200 PLC links to each other with wireless communication module W744-1PRO.PLC receives the signal from overhead control station or subcontrol station, makes corresponding processing, by the output point output signal, and the control controlled device.And the information of controlled device can be back to overhead control station and subcontrol station.
The S7-200CN series of PLC is applicable to all trades and professions, the robotization of the detection in the various occasions, monitoring and control.
The power of S7-200CN series makes it no matter in independent operating, or is connected to network and all can realizes complicated control function, so S7-200CN series has high P/C ratio.
The outstanding performance of S7-200CN series is in the following aspects:
High reliability;
Profuse instruction set;
Be easy to grasp;
Operation easily;
Abundant built-in integrated functionality;
Real-time characteristic;
Powerful ability to communicate;
Abundant expansion module.
CP243-1 is the link block of PLC and W744-1PRO, and on the one hand, it can be had access in the spider lines by netting twine separately, and on the other hand, it can link to each other with W744-1PRO, in the access of radio network
1), the CP243-1 Communication processor adopts half worker/full duplex communication; By RJ45 interface access industrial Ethernet, support ICP/IP protocol.
2), use STEP7-Mirco/WIN by Industrial Ethernet configuration and remote programmable service (upload, download, monitored state).
3) CPU (PUT, GET, Clicnt/Server, 8 connections) that, connects other by Industrial Ethernet.
4), pass through S7-OPC deal with data on computers; Change integrated circuit board, need not reprogramming, configuration.
(1) function:
By Industrial Ethernet, CP243-1 independently controls data.Communication is based on TCP/IP.Maximum 8 connections can be operated; CP243-1 supports S7-200 CN and S7-300/S7-400/PC communication; The PC application program of integrated S7-OPC server can be performed; CP243-1 allows the program of STEP7-Mirco/WIN by ethernet access S7-200 CN.
First wireless ethernet standard IEEE 802.11 produced in 1997, and more ripe IEEE 802.11b appearred again afterwards, Siemens's robotization and driving group are paying close attention to the development of this technology always, also released simultaneously the wireless industrial Ethernet product of Siemens's first generation based on IEEE 802.1b, Siemens has released a series of more ripe wireless industrial Ethernet products again after 2004, it is the SCALANCE W product that people know, it can support IEEE 802.1b simultaneously, IEEE 802.1g, IEEE 802.1a, IEEE 802.1h.
SCALANCE W is Siemens's wireless industrial LAN (Local Area Network) product line.It helps the user to realize the communication of mobile device and fixed network based on wireless lan (wlan) technology international standard IEEE802.11, also can realize the communication between mobile device, firm, reliable, safety.It is applicable to various industrial environments, even also can guarantee the reliability and the security of network under utmost point condition of severe.
SCALANCE W788-1/WC88-2 access point module is used to build WLAN (wireless local area network),
SCALANCE W744-1 client modules is used for equipment such as PLC are inserted WLAN (wireless local area network).
Characteristics:
The antenna power of the Scalance W of employing standard is 7DBi, and the plane is unscreened can be reached about 300 meters, and indoor coverage distance can reach 30m
-60m;
Wireless industrial accessing points equipment has strong anti-interference ability;
The frequency band of wireless ethernet is 2.4GHz or 5GHz, and speed can reach to 54Mbps, is higher than other wireless data transmission mode far away, and the frequency range that adopts is not easy to be interfered at 2.4G;
Firm metal shell, waterproof and dustproof, degree of protection; Also can outdoor use ,-20 ℃-+60 ℃ (anti-condensation);
The WINCC product that to be the advanced technology of SIEMENS in the process automation field combine the top standard of Software World with MICROSOFT.WINCC is WINDOWS CONTROL CERTER (a form control center).WINCC is the supervisory system of a powerful all-round opening, both can be used for finishing small-scale simple process monitoring and use, and also can be used for finishing complicated application.Under any circumstance WINCC can generate beautiful and man-machine dialogue interface easily, and the operator can clearly be managed and the optimization production process.
WINCC has all functions of SCADA system, and its integrated software package comprises:
Graphics system: be used for configuration picture freely, and operate by Drawing Object fully, Drawing Object has dynamic attribute and can carry out online configuration to attribute.
The warning message system: record and storage incident are also shown, can freely select information classification, information to show and form, operate very easy.
Variable files: receive, write down and the compression measured value, be used for curve and chart and show and further editting function.
Reporting system: the user freely selects certain statement form, in chronological order or Event triggered come information operating, document current data are carried out user's report output.
Data processing: use C language and C compiler to edit to the action of Drawing Object.
Standard interface: the SYBASE database that is used for configuration and process data by ODBC and SQL visit.
Application programming interfaces: allow the user to write the standard application that can be used for expanding the WINCC basic function.
In addition, WINCC also provides the plurality of optional software package.As, communication developing instrument CDK allows user's exploitation to be used to connect the bitcom of data management system and any goal systems.
The configuration of WINCC and filing data leave in the relevant database, and data available standards instrument such as ODBC and SQL etc. read.The application of a lot of standards such as Microsoft Excel etc. can with the WinCC parallel running, can pass through DDE loading process data simultaneously.Operator station software allows general OCX, ActiveX link.Further, integrated OPC (OLE for process control) server makes process data to be visited by other application program (OPC client computer).
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. industry wireless network experience system, it is characterized in that: comprise master station and practical traning platform, described master station comprises that fault is provided with module, described practical traning platform comprises the cloth module, described cloth module has the gauge tap of a control circuit folding, described fault is provided with module and is connected with described cloth module, and described master station is connected with described practical traning platform.
2. industry wireless network experience system according to claim 1 is characterized in that: described master station is connected by industry wireless network with described practical traning platform.
3. industry wireless network experience system according to claim 1, it is characterized in that: described practical traning platform also includes operational module, score module and alarm module, and described cloth module is connected with alarm module with described operational module, score module respectively.
4. according to each described industry wireless network experience system in the claim 1～3, it is characterized in that: also comprise feedback module, described feedback module connects described practical traning platform and described master station.
5. according to each described industry wireless network experience system in the claim 4, it is characterized in that: described feedback module one end connects the score module described in the described practical traning platform.
6. according to each described industry wireless network experience system in the claim 1, it is characterized in that: described gauge tap is the relay of operation circuit break-make.
7. industry wireless network experience system according to claim 1 is characterized in that: described practical traning platform has in parallel two at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200935451U CN201199401Y (en) | 2008-04-25 | 2008-04-25 | Industry wireless network teaching real training system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200935451U CN201199401Y (en) | 2008-04-25 | 2008-04-25 | Industry wireless network teaching real training system |
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| CN201199401Y true CN201199401Y (en) | 2009-02-25 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005144A (en) * | 2010-11-19 | 2011-04-06 | 张彦礼 | Intelligent teaching experiment training assessment system and method |
| CN102222424A (en) * | 2011-07-08 | 2011-10-19 | 南京理工大学 | Networking fault simulation and examination platform for automotive electronics |
| CN105355121A (en) * | 2015-10-28 | 2016-02-24 | 苏州市远极智能科技有限公司 | Intelligent wire-breaking module and wire-breaking practical training detection system |
| CN106447214A (en) * | 2016-10-12 | 2017-02-22 | 广东技术师范学院 | Electrician certificate examination automatic evaluation and information management integrated system |
| CN107463195A (en) * | 2017-08-02 | 2017-12-12 | 南阳师范学院 | Plant's environment remote monitoring system based on self-defined web page |
| CN108490869A (en) * | 2018-05-21 | 2018-09-04 | 深圳职业技术学院 | A kind of intelligent management system of practical teaching |
-
2008
- 2008-04-25 CN CNU2008200935451U patent/CN201199401Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005144A (en) * | 2010-11-19 | 2011-04-06 | 张彦礼 | Intelligent teaching experiment training assessment system and method |
| CN102222424A (en) * | 2011-07-08 | 2011-10-19 | 南京理工大学 | Networking fault simulation and examination platform for automotive electronics |
| CN105355121A (en) * | 2015-10-28 | 2016-02-24 | 苏州市远极智能科技有限公司 | Intelligent wire-breaking module and wire-breaking practical training detection system |
| CN106447214A (en) * | 2016-10-12 | 2017-02-22 | 广东技术师范学院 | Electrician certificate examination automatic evaluation and information management integrated system |
| CN107463195A (en) * | 2017-08-02 | 2017-12-12 | 南阳师范学院 | Plant's environment remote monitoring system based on self-defined web page |
| CN107463195B (en) * | 2017-08-02 | 2023-08-15 | 南阳师范学院 | Farm environment remote monitoring system based on custom web page |
| CN108490869A (en) * | 2018-05-21 | 2018-09-04 | 深圳职业技术学院 | A kind of intelligent management system of practical teaching |
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Granted publication date: 20090225 |