CN202003557U - Modularized PLC (Programmable Logic Controller) and frequency-changer experiment table - Google Patents
Modularized PLC (Programmable Logic Controller) and frequency-changer experiment table Download PDFInfo
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- CN202003557U CN202003557U CN2010206043309U CN201020604330U CN202003557U CN 202003557 U CN202003557 U CN 202003557U CN 2010206043309 U CN2010206043309 U CN 2010206043309U CN 201020604330 U CN201020604330 U CN 201020604330U CN 202003557 U CN202003557 U CN 202003557U
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Abstract
The utility model relates to a modularized PLC (Programmable Logic Controller) and frequency-changer experiment table, which comprises an experiment-table frame, a PLC experiment module, a frequency-changer experiment module, a motor-driving module and a power-distribution module: the experiment-table frame comprises a table frame and a vertical frame, wherein installing intervals are arranged on the vertical frame, an installing vertical plate is arranged on each installing interval, and the PLC experiment module, the frequency-changer experiment module, the motor-driving module and the power-distribution module are installed on each corresponding installing vertical plate. An independent modularized structure is adopted by the modularized PLC and frequency-changer experiment table disclosed by the utility model, several functional areas of the experiment table are made into mutually-independent modularized units, all the units are flexibly combined in hard-wiring and communicating modes, and each PLC, each frequency changer and each power-distribution unit are all the modularized units; the exchange of various frequency changers and PLC units can be realized; the conversion of various communications is convenient to realize; the functional expansibility is extremely strong; and elements are more convenient to connect and insert in the experiment process.
Description
Technical field
The utility model relates to a kind of experiment table, relates in particular to a kind of modularization PLC, frequency converter experiment table.
Background technology
In colleges and universities and scientific research institution, experiment table often adopts monoblock type, equipment the whole series are arranged on the panel, consistance is fine, overall appearance, but the current experiments Daepori is all over there being shortcomings such as unreasonable structure, function singleness, interchangeability difference, for this reason, separate modular unit is made in the several functional areas of experiment table, pass through hardwire, communication modes flexible combination between each unit, every kind of module possesses independently measuring instrument and safety feature simultaneously, can independently finish experiment, and we are referred to as modularization PLC, frequency converter experiment table this experiment table.At present, also there is not the appearance of this modularization PLC, frequency converter experiment table on the market.
The utility model content
The purpose of this utility model provides a kind of modularization PLC, frequency converter experiment table, to solve problems such as unreasonable structure that existing experiment table device exists, function singleness, interchangeability difference.
For achieving the above object, the utility model adopts following technical scheme: a kind of modularization PLC, frequency converter experiment table, comprise experimental stand, PLC tentative module, frequency converter tentative module, motor drive module and Power entry module composition: described experimental stand comprises stand and stand, described stand is provided with installation interval, each installation interval is provided with the installation riser, and described PLC tentative module, frequency converter tentative module, motor drive module and Power entry module are installed on each corresponding installation on the riser; Described PLC tentative module comprises PLC controller and corresponding connection terminal; Described frequency converter tentative module comprises frequency converter and corresponding connection terminal thereof; Described PLC tentative module is connected with the communication of frequency converter tentative module; The motor of described motor drive module and frequency converter tentative module control linkage, the control input end control linkage of the signal output part of motor drive module and PLC tentative module; Described PLC tentative module, frequency converter tentative module and motor drive module are powered by Power entry module.
This experiment table comprises independently human-computer interface module brassboard.
Intelligent brushing card device is arranged on the described Power entry module.
Described PLC tentative module is the inner tentative module that has human and machine interface unit.
Described stand adopts nonstandard aluminium section bar experiment table exclusive guideway to constitute.
Modularization PLC of the present utility model, frequency converter experiment table adopt independently modular construction, separate modular unit is made in the several functional areas of experiment table, by hardwire, communication modes flexible combination, each PLC, frequency converter, power supply unit all are modular units between each unit; Can realize that various frequency converters and PLC unit exchange; The convenient conversion that realizes various communications; Function expansibility is extremely strong; In the experimentation element patch more convenient; Have independent and two kinds of experiment models of curing, each experiment table all is networked unit, can realize that available resources are shared.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is control principle figure of the present utility model.
Embodiment
Below in conjunction with specific embodiment the utility model is described further.
Be illustrated in figure 1 as the structural representation of the utility model modularization PLC, frequency converter experiment table, as seen from the figure, single experiment table comprises experimental stand 1, PLC tentative module 2, frequency converter tentative module 3, motor drive module 4 and Power entry module 5 compositions: experimental stand comprises stand and stand, stand is provided with installation interval, each installation interval is provided with the installation riser, and PLC tentative module, frequency converter tentative module, motor drive module and Power entry module are installed on each corresponding installation on the riser; The PLC tentative module comprises PLC controller and the molecular brassboard of corresponding terminals; The frequency converter tentative module comprises frequency converter and the corresponding molecular brassboard of terminals thereof; The PLC tentative module is connected with the communication of frequency converter tentative module; The motor of motor drive module and frequency converter tentative module control linkage, the control input end control linkage of the signal output part of motor drive module and PLC tentative module; PLC tentative module, frequency converter tentative module and motor drive module are powered by Power entry module.In addition, observe for handled easily, this experiment table also is provided with independently human-computer interface module (liquid crystal touch screen or computer monitor).Each experiment table is powered separately, and configuration standard signal source (0-10V, 4-20mA), PLC brassboard on each experiment table, frequency converter brassboard, man-machine interface brassboard all can be made separately, the all kinds brassboard adopts unified overall dimensions, to reach the purpose of combination in any between experiment table, so just can realize various PLC, the combination in any between touch-screen and the frequency converter.
Below each several part is elaborated.
1. experimental stand:
The stand of experiment table of the present utility model adopts the aluminium section bar structure of standard, and table top uses high-quality compression sheet material, and facade is nonstandard aluminium section bar experiment table exclusive guideway, the installation and the exchange of the plate that can experimentize easily.Display is positioned over table top one side, and the support by special use is connected with stand, and can adjust the position as required.Frame is established the computor-keyboard drawer, and is handsome in appearance generous.
Experiment table technical indicator and requirement:
1. PLC power supply: single-phase AC220V 50Hz.
2. converter power supply: three-phase AC380V 50Hz.
3. man-machine interface power supply: DC 24V
4. each brassboard and powering shelf will have drain voltage, protective device of leakage current, meet national safety standard.
5. the communication module of PLC is taked the principle of exchanging in use, is not inserted on the CPU backboard simultaneously; Frequency converter is taked same quadrat method.
2. PLC brassboard: programmable logic controller (PLC) (PLC) is widely used in the Industry Control occasion, and it controls production run by the application program of user storage, has the strong advantage of reliability height, stability and processing capability in real time.Programmable controller is that computer technology and relay control technology are combined, for industrial automation system provides almost ideal modernized automaton.
This PLC brassboard is concentrated and has been showed the PLC controller of popular in the market multiple brand, can realize the function such as programming software study, steering order experiment, communication function experiment, the experiment of field working conditions process simulation of PLC, the PLC brassboard comprise that inside has a human and machine interface unit with inside not with two kinds of forms of human and machine interface unit, the PLC brassboard of present embodiment is the inner form that has human and machine interface unit.
The concrete structure of PLC brassboard is as follows:
1. adopt open design style, PLC guide rail and module are installed on the panel, and all signals provide two kinds of different modes of connection, make things convenient for PLC to carry out functional experiment separately.
2. the switching value signal input module adopts toggle switch and two kinds of input modes in parallel of outside terminal, and the switching value output module adopts the mode of relay and two kinds of outputs in parallel of terminal.
3. the analog signals input/output module is directly received on the terminal, adopts standard signal generator to offer the various standard signals of analog quantity load module.
4. every kind of PLC disposes 1 DI module, 1 DO module, 1 AI module (current/voltage), 1 AO module, 1 block counter module, 1 Weighing module at least separately.
5. every kind of PLC all need dispose communication modules such as PROFIBUS-DP, CAN, DEVICE-NET, CC-LINK, conveniently carries out communication with various frequency converters and touch-screen and is connected.
6. the PLC brassboard is powered separately, and can provide DC24V power supply to touch-screen.
7. the brassboard that various brand PLC make all can freely be changed on experiment table.
PLC brassboard function:
On brassboard, can experimentize to functions such as the installation of various PLC, programming, debugging, communications.Concrete function is as follows:
1. can make the programmed method of the familiar various PLC softwares of engineering technical personnel, programmed environment and programming language;
2. to the various language of PLC and the instruction experiment of programming, as PID instruction, counter instruction, the realization of instruction and various chain functions etc. of weighing;
3. the communication function to PLC experimentizes and programmes;
4. adopt equipment running status under the various operating modes of PLC process simulation, also can carry out dry run the device program that will dispatch from the factory;
5. the hardware configuration of PLC is learnt, improved engineering technical personnel's the ability of maintenance.
3. frequency converter brassboard: this frequency converter brassboard combines the state-of-the-art technology of current frequency conversion real training aspect, concentrate and showed the frequency converter of popular in the market multiple brand, and realized functions such as the experiment of frequency converter ultimate principle, functional parameter debugging, communication function experiment, field working conditions simulated experiment.The all integrated guidance panel of all frequency converters, the switching value input/output terminal, the analog quantity input/output terminal, the internal PID controller has multiple electric motor starting and control mode, possesses multiple electric motor protecting function.
The concrete structure of frequency converter brassboard is as follows:
1. all terminals of frequency converter are guided to outward on the brassboard plate face, make things convenient for engineering technical personnel to train the ability of hardware connection.
2. every kind of frequency converter all need dispose Communication Cards such as PROFIBUS-DP, CAN, DEVICE-NET, CC-LINK, conveniently carries out communication with various PLC and is connected.
3. the frequency converter brassboard is powered separately, wants to show the running frequency of frequency converter on brassboard, parameters such as output voltage.
4. to handle the frequency converter brassboard well to PLC, the interference problem of touch-screen.
5. the frequency converter brassboard that various brands are made all can freely be changed on experiment table.
Frequency converter brassboard function
Engineering technical personnel can finish the control function experiment of various brand frequency converters by the frequency converter brassboard, and plate improves the ability that engineering technical personnel debug, safeguard frequency conversion speed-adjusting system by experiment.The concrete function of frequency converter brassboard has:
1. frequency converter basic principle training;
2. frequency converter hardware operation and maintenance knowledge training;
3. the frequency converter functional parameter is provided with and training on operation;
4. multistage speed is selected the experiment of multiple control modes such as control, the control of outside terminal crawl, rotating control, V/F control, Torque Control;
The experiment of multiple frequency given ways such as 5. the analog quantity frequency is given, the fixed value frequency is given, the fast frequency of multistage is given, the frequency communication is given;
6. the experiment of the communication function between frequency converter and the PLC;
7. the experiment of frequency converter protection and fault handling, as: experiment, the inquiry of alarm parameters and the experiment of fault analysis and handling of defencive functions such as frequency converter overcurrent protection, overvoltage protection, stall protection.
4. man-machine interface comprises that touch-screen, computer monitor etc. are used for the various display devices of human-computer interaction, touch-screen as a kind of special man-machine interface have configuration simple, cheap, be easy to use, be convenient to advantage such as communication connection, obtained widespread use in fields such as hoisting machinery, lathe are supporting.
This human-computer interface module conduct independently experimental facilities can freely be made up with other various PLC brassboards, frequency converter brassboard, and its power supply draws the brassboard from PLC.
The human-computer interface module function
Engineering technical personnel mainly by the man-machine interface brassboard realize man-machine interface programming, debugging and and PLC between functions such as communication.The concrete function of man-machine interface brassboard has:
1. the basis of human interface software programming training;
2. realize functional experiments such as technological process demonstration, data recording and demonstration, history curve, data sheet, historical warning with human interface software;
3. the experiment of the communication between man-machine interface and the various PLC;
4. cooperate special software to revise the setup parameter experiment of frequency converter by man-machine interface;
5. states such as the operation by man-machine interface dynamic similation field apparatus, fault.
6. train the ability of engineering technical personnel to the man-machine interface operation and maintenance.
5. Power entry module: experiment table is equipped with power supply and signal output apparatus and function way of extensive experimentation plate; power supply and signal supervisory instrument mainly comprise 0-24mA electric current; 0-12v voltage interlude value signal given; the while reometer; the also signal pick-up unit of voltage table; also has frequency converter 380v three-phase input power supply; and is furnished with an intelligent brushing card device; card contains experimenter's effective information; only under the situation that the experimenter uses; to block and insert in the trough of swiping the card experiment table and could get electricly, under the emergency circumstance, can press scram button; power switch can effectively be protected equipment and personal safety.The functional experiment plate mainly comprises the scrambler brassboard, the brassboard of weighing (containing LOAD CELLS and weight display), position switch brassboard (integrated electro switch, travel switch etc.) etc., when needing can with the online experiment of each system of experiment table, laboratory afterwards is in service also can be according to other function way of extensive experimentation plate of new increase in demand.
6. motor drive module: the motor-driven model is made up of dragging motor, ball-screw, scrambler, as the motor output unit, through the difference of the mode of connection by experiment the PLC and the frequency converter of platform finish straight line location and angle orientation control function, and can be the beginner checking of operation control intuitively be provided.
Control principle figure of the present utility model as shown in Figure 2, as seen from the figure, this experiment table can be realized the experimental demonstration of schematic diagram, and its extendability is described.Power entry module is PLC, inverter supply, can realize the various protocols communication between the PLC, PLC also can with human-machine interface configuration, realize the displaying of data or operate by man-machine interface, all can realize DP between PLC and the frequency converter and between the frequency converter, communications such as Ethernet belong to signal acquisition process between frequency converter and the motor.
Modularization PLC of the present utility model, frequency converter experiment table have following characteristics:
(1) each PLC, frequency converter, power supply unit all are modular units; (2) each modular unit all is an assembled unit; (3) each experiment table all has registration experiment swipe the card unit and safe power-off protection apparatus; (4) can realize that various frequency converters and PLC unit exchange; (5) the convenient conversion that realizes various communications; (6) the experiment table function expansibility is extremely strong; (7) in the experimentation element patch more convenient; (8) have independent and two kinds of experiment models of curing; (9) movability experiment driver element, convenient band carries the demonstration of experiment; (10) experiment table has fixed and portable two kinds of programming computers, makes things convenient for experimenter's selection; (11) each experiment table all is networked unit, can realize that available resources are shared.
Modularization PLC, the frequency converter experiment table has been equipped with international advanced person's may command programmable device, frequency converter, experiment module independently, man-machine interface, hardware such as conventionally test instrument and maintenance tool, contain Siemens, the peace river, Mitsubishi, Shi Naide, results, the programming software that Omron etc. are abundant, not only be used for the detection of components and parts, priorly be to realize nearly hundred kinds electric experimental demonstration scheme, further carry out the checking of control system program, distinguish whether the PLC parameter is reasonable, can whether the communications protocol between PLC and frequency converter meets, reach the purpose of anticipation controlling schemes; Simultaneously also framework a platform of cultivating the electric technical ability talent, difference at the horizontal grade of electrical technology personnel, content from the superficial to the deep, follow progressive, better meet different post electrical technology personnel's training request, make its more comprehensive and systematic acceptance training, further promote the technical merit of company, the growth talent team, better service society.
Claims (4)
1. a modularization PLC, frequency converter experiment table, it is characterized in that: comprise experimental stand, PLC tentative module, frequency converter tentative module, motor drive module and Power entry module composition: described experimental stand comprises stand and stand, described stand is provided with installation interval, each installation interval is provided with the installation riser, and described PLC tentative module, frequency converter tentative module, motor drive module and Power entry module are installed on each corresponding installation on the riser; Described PLC tentative module comprises PLC controller and corresponding connection terminal; Described frequency converter tentative module comprises frequency converter and corresponding connection terminal thereof; Described PLC tentative module is connected with the communication of frequency converter tentative module; The motor of described motor drive module and frequency converter tentative module control linkage, the control input end control linkage of the signal output part of motor drive module and PLC tentative module; Described PLC tentative module, frequency converter tentative module and motor drive module are powered by Power entry module.
2. modularization PLC according to claim 1, frequency converter experiment table is characterized in that: this experiment table comprises independently human-computer interface module brassboard.
3. modularization PLC according to claim 1 and 2, frequency converter experiment table is characterized in that: intelligent brushing card device is arranged on the described Power entry module.
4. modularization PLC according to claim 1, frequency converter experiment table is characterized in that: described PLC tentative module is the inner tentative module that has human and machine interface unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206043309U CN202003557U (en) | 2010-11-12 | 2010-11-12 | Modularized PLC (Programmable Logic Controller) and frequency-changer experiment table |
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| CN2010206043309U CN202003557U (en) | 2010-11-12 | 2010-11-12 | Modularized PLC (Programmable Logic Controller) and frequency-changer experiment table |
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| CN202003557U true CN202003557U (en) | 2011-10-05 |
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| CN2010206043309U Expired - Fee Related CN202003557U (en) | 2010-11-12 | 2010-11-12 | Modularized PLC (Programmable Logic Controller) and frequency-changer experiment table |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610148A (en) * | 2012-03-22 | 2012-07-25 | 南京化工职业技术学院 | PLC (programmable logic controller) integrated practical training device used by teachers |
| CN103745634A (en) * | 2013-12-21 | 2014-04-23 | 柳州职业技术学院 | PLC-based motor control experiment system and application method thereof |
| CN104091492A (en) * | 2014-07-29 | 2014-10-08 | 南通理工学院 | PLC experimental facility |
| CN104134376A (en) * | 2014-05-28 | 2014-11-05 | 苏州工业职业技术学院 | Automatic comprehensive practical training system |
| CN104966457A (en) * | 2015-07-02 | 2015-10-07 | 柳州铁道职业技术学院 | MCGS interface based maintenance electrician intelligent training and examination system |
| TWI505050B (en) * | 2013-05-13 | 2015-10-21 | ||
| CN107572384A (en) * | 2017-10-20 | 2018-01-12 | 攀钢集团工程技术有限公司 | A kind of adjustment method of remote frequency variable crane, system and remote frequency variable crane |
| CN108305554A (en) * | 2018-02-07 | 2018-07-20 | 天津中德应用技术大学 | A kind of industrial network technology training system |
-
2010
- 2010-11-12 CN CN2010206043309U patent/CN202003557U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610148A (en) * | 2012-03-22 | 2012-07-25 | 南京化工职业技术学院 | PLC (programmable logic controller) integrated practical training device used by teachers |
| TWI505050B (en) * | 2013-05-13 | 2015-10-21 | ||
| CN103745634A (en) * | 2013-12-21 | 2014-04-23 | 柳州职业技术学院 | PLC-based motor control experiment system and application method thereof |
| CN104134376A (en) * | 2014-05-28 | 2014-11-05 | 苏州工业职业技术学院 | Automatic comprehensive practical training system |
| CN104091492A (en) * | 2014-07-29 | 2014-10-08 | 南通理工学院 | PLC experimental facility |
| CN104966457A (en) * | 2015-07-02 | 2015-10-07 | 柳州铁道职业技术学院 | MCGS interface based maintenance electrician intelligent training and examination system |
| CN107572384A (en) * | 2017-10-20 | 2018-01-12 | 攀钢集团工程技术有限公司 | A kind of adjustment method of remote frequency variable crane, system and remote frequency variable crane |
| CN108305554A (en) * | 2018-02-07 | 2018-07-20 | 天津中德应用技术大学 | A kind of industrial network technology training system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan Weihua Heavy Machinery Co., Ltd. Assignor: Weihua Co., Ltd. Contract record no.: 2012410000004 Denomination of utility model: Modularized PLC (Programmable Logic Controller) and frequency-changer experiment table Granted publication date: 20111005 License type: Exclusive License Record date: 20120215 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Henan Weihua Heavy Machinery Co., Ltd. Assignor: Weihua Co., Ltd. Contract record no.: 2012410000004 Date of cancellation: 20120321 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan Weihua Heavy Machinery Co., Ltd. Assignor: Weihua Co., Ltd. Contract record no.: 2012410000024 Denomination of utility model: Modularized PLC (Programmable Logic Controller) and frequency-changer experiment table Granted publication date: 20111005 License type: Exclusive License Record date: 20120321 |
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| ASS | Succession or assignment of patent right |
Owner name: HENAN HOISTING MACHINERY TECHNOLOGY SERVICE CO., L Free format text: FORMER OWNER: WEIHUA CO., LTD. Effective date: 20141113 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141113 Address after: 453400 Changyuan County, Henan Province, China Road, West Section Patentee after: Henan Hoisting Machinery Technology Service Co Ltd Address before: 453400 No. 6 fraternity South Road, Xinxiang, Henan, Changyuan Patentee before: Weihua Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20161112 |