CN202362972U - Electrical control and PLC (Programmable Logic Controller) comprehensive application practice training device - Google Patents
Electrical control and PLC (Programmable Logic Controller) comprehensive application practice training device Download PDFInfo
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- CN202362972U CN202362972U CN 201120436394 CN201120436394U CN202362972U CN 202362972 U CN202362972 U CN 202362972U CN 201120436394 CN201120436394 CN 201120436394 CN 201120436394 U CN201120436394 U CN 201120436394U CN 202362972 U CN202362972 U CN 202362972U
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Abstract
The utility model discloses an electrical control and PLC (Programmable Logic Controller) comprehensive application practice training device, belonging to a teaching experiment device and being mainly used for carrying out industrial electrical control and PLC comprehensive application skill training on students in universities and moderate speciality schools. A frame structure of a front mesh covering plate is adopted, and a PLC host and an extension module thereof, a frequency converter, a touch screen, a text display, a contactor and other industrial control appliances and a controlled module are arranged on the same frame in sequence; and control terminals of a PLC and the frequency converter are linked to a dual-row terminal strip, and a controlled motor is linked with a rotary coder and is placed on a base. The utility model has the beneficial effects that wiring training, selection design training, application training of multiple kinds of industrial control appliances, PLC programming training from simple to complex, and the like can be carried out on the students, the function extension can be conveniently realized, and a hanging box type modularization structure is adopted for a complex controlled object.
Description
Technical field
The utility model relates to a kind of experiment device for teaching, specifically is a kind of electrical control and PLC integrated application actual training device.Be mainly used in universities the student is carried out key industry electrical control and Programmable Logic Controller integrated application skill training.
Background technology
Electrical control at present and Programmable Logic Controller application experiment device mainly contain the three major types type: one type is box-hanging type modular construction or simulated experimental box structure; Wherein the box-hanging type modular construction is that PLC and integrated application thereof are designed several big box-hanging type modules, is installed in jointly on the comprehensive experimental device framework; Simulated experimental box device is that the design of PLC main frame and application model (pattern model) thereof is packed in the experimental box.Second type is to aim at the turned round model that a certain large-scale PLC industrial control system designs.Purchase PLC main frame and match appliance voluntarily for the 3rd type, the small PLC control system of assembling.
More than several kinds of experimental provisions all can carry out Programmable Logic Controller basic skills application training to the student; Some can also carry out comprehensive industrial electric Control Training; Wherein the controlling object of the first kind and second type of device has simulated mock-up or graphical model, approaches the practical application of industry spot.What the 3rd type of experimental provision used is actual PLC main frame and the match appliance of using thereof of industry spot.
Mainly there is the problem of following several aspects in above experimental provision:
1. the industrial electric control system of the first kind and second type of device and industry spot actual installation and use is had any different at aspects such as electrical connecting wires mode, control apparatus selection, electric meter uses; After the student finishes, still can be very strange to the actual control system of industry spot.
2. receive the restriction of selected module and cost, mostly do not use modern industry control industry control electrical equipment such as touch-screen, frequency converter and text display commonly used.
3. the 3rd type of experimental provision is often fairly simple, and many is directly to be linked on the PLC with computer, just can simulate and use; Defencive function is also imperfection generally, and during long-term frequent the use, PLC input and output contact place is prone to produce machinery or electrical damage.
Summary of the invention
For overcoming the deficiency of above-mentioned prior art, the utility model provides a kind of Industry Control and PLC integrated application actual training device.
The utility model is realized with following technical scheme: a kind of electrical control and Programmable Logic Controller integrated application actual training device; Comprise metal framework; Be installed on the metal framework before cover mesh plate, cover mesh plate before described and be divided into Shang Qu, middle district and three zones of inferior segment; Last district is equipped with three-phase low-voltage circuit breaker, single-phase low-voltage circuit breaker, fuse, text display, replaceable controlled experiment module, touch-screen and direct supply, covers the back side of mesh plate before wherein direct supply is installed on; Middle district is equipped with A.C. contactor, electrothermal relay, electric power incoming line terminal row, wiring exercise terminal row, contactor and button; Inferior segment is equipped with PLC main frame, analog quantity input expansion module, analog quantity output expansion module, frequency converter, connecting terminal block C, connecting terminal block D and incoming power socket; Wherein connecting terminal block C is used for connecting in order each control terminal of PLC main frame, analog quantity input expansion module, analog quantity output expansion module and frequency converter; And carry out label by connecing control terminal; So that the student carries out wiring exercise, and machinery or electrical damage when protecting the connection terminal of each electrical equipment itself to avoid the frequent wiring of student; Connecting terminal block D is used to connect the power supply turnover line and the motor power line of frequency converter; On the base of metal framework, place controlled motor and the coupled rotary encoder that connects.
Owing to adopted technique scheme, realized following effect:
1. cover the tower structure of mesh plate before adopting; Industry control electrical equipment such as PLC main frame and expansion module, frequency converter, touch-screen and text display are installed on the same framework; PLC control system and controlling object thereof adopt the actual electrical equipment that uses in the commercial production basically; And can realize the function expansion easily, the student not only can acquire the practical application of PLC and industry control electrical equipment, can also learn its hardware Selection and Design.
2.PLC main frame and expansion module frequency converter price thereof are higher; Input and output contact is more; This device is connected to its contact on the connecting terminal block C; On line bank, identify, can make things convenient for wiring and protect the contact of electrical equipment itself to avoid machinery and the electrical damage that the frequent wiring of student is operated effectively by actual joint Terminal.
3. the controlling object of complicacy adopts band to hang the bus-organization of case (replaceable controlled experiment module), has deducted complicated and mechanical wiring, can change easily.
The beneficial effect of the utility model is: the electric control system of the utility model and industry spot is basic identical; Can carry out from simple to comprehensive training of the industrial electric of complicacy control the student, the design that comprises the relay-contactor control system is programmed with hardware connection training, PLC with the design of wiring training, PLC control system and is trained, the type selecting training of control apparatus, the training of multiple industry control appliance applications etc.
Description of drawings
Fig. 1 and Fig. 2 are the utility model one-piece construction and arrangenent diagram, and Fig. 1 is that front view, Fig. 2 are right views;
Fig. 3 is the wiring diagram that each control terminal of Programmable Logic Controller (PLC main frame), analog quantity load module, analog output module and frequency converter is connected with connecting terminal block C (double-deck terminal row);
Among the figure: 1, metal framework, 2, the preceding mesh plate that covers, 3, the three-phase low-voltage circuit breaker, 4, single-phase low-voltage circuit breaker, 5, fuse; 6, direct supply, 7, text display, 8, replaceable controlled experiment module, 9, touch-screen, 10, connecting terminal block A; 11, contactor, 12, button, 13, electrothermal relay, 14, connecting terminal block B, 15, connecting terminal block C; 16, analog quantity input expansion module, 17, the PLC main frame, 18, analog quantity output expansion module, 19, frequency converter, 20, connecting terminal block D; 21, incoming power socket, 22, rotary encoder, 23, controlled motor, 24, support spoke.
Embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3, electrical control and PLC integrated application actual training device comprise metal framework 1, cover mesh plate 2 before on metal framework 1, installing; Before cover mesh plate 2 and be divided into Shang Qu, middle district and three zones of inferior segment; Before last district, cover and three-phase supply lead-in circuit breaker 3, single phase poaer supply lead-in circuit breaker 4, fuse 5, text display 7 are installed on the mesh plate, change controlled experiment module 8, touch-screen 9 and direct supply 6; Cover the back side of mesh plate before direct supply 6 is installed in, be used for supplying experiment module and touch-screen to use 220V interchange becoming 24V direct current.
Middle district is equipped with connecting terminal block A10, connecting terminal block B14, electrothermal relay 13, contactor 11 and button 12; The row of going up of connecting terminal block A 10 connects power supply (promptly going up the fuse in district), and following row connects each control apparatus as power supply; Connecting terminal block B is used for the wiring operation practice; Button 12 adopts three buttons.
Inferior segment is equipped with PLC main frame 17, analog quantity input expansion module 16, analog quantity output expansion module 18, frequency converter 19, connecting terminal block C and connecting terminal block D; Analog quantity load module 16 adopts EM231, and analog quantity output expansion module 18 adopts EM232, and PLC main frame 17 adopts S7-226, and frequency converter adopts the universal frequency converter FR-E540-1.5-CHT of Mitsubishi; Connecting terminal block C is the double-layer wiring terminal row, is used for connecting in order each control terminal of PLC main frame, analog quantity input expansion module, analog quantity output expansion module, frequency converter, and carries out label by connecing control terminal; Connecting terminal block D is used to connect the power supply turnover line and the motor power line of frequency converter; Rotary encoder 22 is installed on the controlled motor 23 through supporting spoke 24, and is connected with the main shaft of controlled motor 23.
On the base of metal framework 1, place controlled motor 23 and the coupled rotary encoder that connects 22, be used for motor speed feedback.
Illustrate its experimental technique below.
Example 1 motor Y-delta reduced-voltage starting control circuit.
Utilize in the utility model with actual isolating switch, fuse, contactor, electrothermal relay, motor and button etc. be connected into motor Y-delta reduced-voltage starting control circuit.The PLC control program that writes is downloaded on the PLC main frame, just can realize the Y-Δ reduced-voltage starting control of PLC motor.Can carry out training such as the type selecting of control apparatus, the physical cabling of control system, simple PLC programming to the student through this example.
Example 2 is carried out VFC through touch-screen to three-phase current motor.
Use the good touch-screen control of design of Configuration Software " man-machine interface " of touch-screen,, write motor is carried out the program of VFC and downloads on the PLC wiring such as PLC main frame, analog quantity expansion module, touch-screen, rotary encoder, frequency converters.This training program can realize the application training to frequency converter, touch-screen, rotary encoder etc.
Claims (4)
1. electrical control and PLC integrated application actual training device is characterized in that: comprise metal framework (1), be installed on the metal framework (1) before cover mesh plate (2); Cover mesh plate (2) before described and be divided into Shang Qu, middle district and three zones of inferior segment; Last district is equipped with three-phase low-voltage circuit breaker (3), single-phase low-voltage circuit breaker (4), fuse (5), direct supply (6), text display (7), replaceable controlled experiment module (8) and touch-screen (9); Middle district is equipped with connecting terminal block A (10), contactor (11), electrothermal relay (13), connecting terminal block B (14) and button (12); Inferior segment is equipped with connecting terminal block C (15), PLC main frame (17), analog quantity input expansion module (16), analog quantity output expansion module (18), frequency converter (19), connecting terminal block D (20), incoming power socket (21); On the base of metal framework (1), place controlled motor (23) and the coupled rotary encoder that connects (22).
2. electrical control according to claim 1 and PLC integrated application actual training device; It is characterized in that: connecting terminal block C (15) connects the control terminal of PLC main frame (17), analog quantity input expansion module (16), analog quantity output expansion module (18), frequency converter (19) in order, and carries out label by connecing control terminal.
3. electrical control according to claim 1 and PLC integrated application actual training device is characterized in that: described rotary encoder (22) is installed on the controlled motor (23) through supporting spoke (24), and is connected with the main shaft of controlled motor (23).
4. electrical control according to claim 1 and PLC integrated application actual training device is characterized in that: described connecting terminal block C (15) is the double-layer wiring terminal row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120436394 CN202362972U (en) | 2011-11-07 | 2011-11-07 | Electrical control and PLC (Programmable Logic Controller) comprehensive application practice training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120436394 CN202362972U (en) | 2011-11-07 | 2011-11-07 | Electrical control and PLC (Programmable Logic Controller) comprehensive application practice training device |
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| Publication Number | Publication Date |
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| CN202362972U true CN202362972U (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120436394 Expired - Fee Related CN202362972U (en) | 2011-11-07 | 2011-11-07 | Electrical control and PLC (Programmable Logic Controller) comprehensive application practice training device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855796A (en) * | 2012-09-13 | 2013-01-02 | 南京交通职业技术学院 | Electrical practice training device |
| CN103714733A (en) * | 2013-08-01 | 2014-04-09 | 南京化工职业技术学院 | Training device of electrical control components |
| 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 |
| CN104281144A (en) * | 2014-09-25 | 2015-01-14 | 东北大学 | Single device control program test platform and method based on combined electrical loop |
| CN104345645A (en) * | 2013-07-30 | 2015-02-11 | 上海基胜能源科技有限公司 | Signal acquisition module |
| CN107918351A (en) * | 2017-12-12 | 2018-04-17 | 柳州铁道职业技术学院 | A kind of automatic production line work station intelligent training checking system based on PLC |
-
2011
- 2011-11-07 CN CN 201120436394 patent/CN202362972U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855796A (en) * | 2012-09-13 | 2013-01-02 | 南京交通职业技术学院 | Electrical practice training device |
| CN104345645A (en) * | 2013-07-30 | 2015-02-11 | 上海基胜能源科技有限公司 | Signal acquisition module |
| CN104345645B (en) * | 2013-07-30 | 2017-10-20 | 上海基胜能源股份有限公司 | Signal acquisition module |
| CN103714733A (en) * | 2013-08-01 | 2014-04-09 | 南京化工职业技术学院 | Training device of electrical control components |
| 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 |
| CN104281144A (en) * | 2014-09-25 | 2015-01-14 | 东北大学 | Single device control program test platform and method based on combined electrical loop |
| CN104281144B (en) * | 2014-09-25 | 2017-04-19 | 东北大学 | Single device control program test platform and method based on combined electrical loop |
| CN107918351A (en) * | 2017-12-12 | 2018-04-17 | 柳州铁道职业技术学院 | A kind of automatic production line work station intelligent training checking system based on PLC |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20131107 |