CN211207725U

CN211207725U - Application teaching experiment simulation device

Info

Publication number: CN211207725U
Application number: CN201922173658.3U
Authority: CN
Inventors: 黄操; 曾晖
Original assignee: Wuhan Huichuang Technology Co ltd
Current assignee: Wuhan Huichuang Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-07
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses an use teaching experiment analogue means, including the laboratory bench stage body, transparent ya keli panel and panel beating panel, panel beating panel and transparent ya keli panel combination constitute the laboratory bench stage body, and the lower terminal surface welding that the laboratory bench stage body is close to transparent ya keli panel has the motor slip table, and the bottom four corners of motor slip table and laboratory bench stage body is fixed with the support respectively, the inside of laboratory bench stage body adopts the cavity design, is fixed with supporting PINC standard electrical guide rail on the terminal surface that the inside of cavity is close to the panel beating panel, the surface embedding of transparent ya keli panel is fixed with converter laboratory sheet, programmable controller experiment module, programmable controller experiment system power module, electrical control experiment module and direct current motor PWM speed governing module. The utility model discloses can carry out real-time simulation's purpose according to the teaching needs.

Description

Application teaching experiment simulation device

Technical Field

The utility model relates to a mechano-electronic engineering teaching technical field specifically is an application teaching experiment analogue means.

Background

The simulation has wide application in teaching, and can be applied to many discipline teaching from natural scientists, management sciences to engineering techniques. With the development of multimedia technology, the effect of simulation is rather impressive. The application of the simulation in teaching can be divided into experiment simulation, management simulation and training simulation. And (3) experimental simulation: the experimental environment is simulated by using computer technology, thereby replacing or supplementing the traditional experimental means. Management simulation: the application of computer simulation in the management field greatly contributes to the cultivation of students' abilities and qualities in management decisions. Training and simulating: the simulated patrol gift controlled by the computer can generate vivid training and operating environment, and can achieve the same training purpose on the premise of saving a lot of training time and expenses. Experiments need to be simulated in actual teaching so as to achieve the purpose of simulating teaching according to theoretical knowledge, but no suitable teaching experiment simulation device exists in the fields of mechanical electronics and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an applied teaching experiment analogue means, the applied operation training to the relevant industrial automation product in the mechanical electronic engineering field that possesses satisfies the student and from the process butt joint advantage of theoretical knowledge learning toward practical application, has solved the not enough scheduling problem that theory teaching did not carry out the practice in the past.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an use teaching experiment analogue means, includes the laboratory bench stage body, transparent ya keli panel and panel beating panel, panel beating panel and transparent ya keli panel combination constitution laboratory bench stage body, the lower terminal surface welding that the laboratory bench stage body is close to transparent ya keli panel has the motor slip table, and the bottom four corners of motor slip table and laboratory bench stage body is fixed with the support respectively, the inside of laboratory bench stage body adopts the cavity design, is fixed with supporting PINC standard electric guide rail on the terminal surface that the inside of cavity is close to the panel beating panel, the surface embedding of transparent ya keli panel is fixed with converter experiment board, programmable controller experiment module, programmable controller experiment system power module, electric control experiment module and direct current motor PWM speed governing module.

Preferably, the programmable controller experiment module and the electrical control experiment module are designed side by side, the frequency converter experiment board and the direct current motor PWM speed regulation module are designed side by side, the power module of the programmable controller experiment system is positioned right above the programmable controller experiment module and the electrical control experiment module, and the frequency converter experiment board and the direct current motor PWM speed regulation module are positioned right below the programmable controller experiment module and the electrical control experiment module.

Preferably, the matched PINC standard electric guide rail is fixed with P L C, a low-voltage electric device and a frequency converter.

Preferably, the surface of the transparent acrylic panel is fixed with a wiring terminal, a button, a touch screen and a communication interface and is connected with devices on the rear layer through wires, and the surface of the transparent acrylic panel is engraved with a schematic block diagram of each device on the rear layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the application operation training aiming at the related industrial automation products in the mechanical and electronic engineering field meets the advantages of the process butt joint of students from theoretical knowledge learning to practical application, and solves the problems that the prior theoretical teaching is not practical and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic structural diagram of the programmable controller experiment module of the present invention;

FIG. 5 is a schematic diagram of the structure of the frequency converter experimental plate of the present invention;

fig. 6 is a schematic structural diagram of the programmable controller experiment module of the present invention;

FIG. 7 is a schematic structural view of an electrical control experiment module of the present invention;

fig. 8 is the structure schematic diagram of the dc motor PWM speed regulation module of the present invention.

In the figure: 1. a bench body of the experiment table; 2. a support; 3. a motor sliding table; 4. a transparent acrylic panel; 5. a cavity; 6. a sheet metal panel; 7. a frequency converter experimental board; 8. a programmable controller experiment module; 9. a programmable controller experiment system power supply module; 10. an electrical control experiment module; 11. and a direct current motor PWM speed regulation module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution of an application teaching experiment simulation apparatus: the utility model provides an use teaching experiment analogue means, includes laboratory bench stage body 1, transparent ya keli panel 4 and panel beating panel 6, panel beating panel 6 and transparent ya keli panel 4 combination constitution laboratory bench stage body 1, and laboratory bench stage body 1 provides the required programmable controller experiment system power module 9 of experiment, provides required various voltage level power for each module. The power supply includes: DC +/-5V/20A; DC + 12V/20A; DC + 24V/10A; AC 220V/10A; the power supply standard guide rail is provided with a power supply, the power is more than 350W, each path has a short-circuit protection automatic recovery function, an AC/DC digital voltmeter is used for displaying, and the working terminals of all components are led to the terminal row for experimental wiring. The programmable controller experiment system power module 9 is installed by adopting a PIN guide rail. The programmable controller experiment system power supply module 9 is a commercial power supply (DC + -5V/20A; DC + 12V/20A; DC + 24V/10A; AC220V/10A) with a conventional specification, and is not particularly limited.

The welding of laboratory bench stage body 1 is close to transparent acrylic panel 4's lower terminal surface has motor slip table 3, the bottom four corners of motor slip table 3 and laboratory bench stage body 1 is fixed with support 2 respectively, the inside of laboratory bench stage body 1 adopts the design of cavity 5, be fixed with supporting PINC45 standard electric guide rail on the terminal surface that the inside of cavity 5 is close to panel beating panel 6, transparent acrylic panel 4's surface embedding is fixed with converter laboratory bench 7, programmable controller experiment module 8, programmable controller experiment system power module 9, electric control experiment module 10 and direct current motor PWM speed governing module 11.

Wherein, the programmable controller experiment module 8 can be made in the universal brands, model numbers 750-513, 750-514;

the programmable controller experiment system power supply module can be SIEMENS/Siemens, and the model number is 6ES7407-0DA02-0AA 0;

wherein, the electric control experiment module can be Panasonic/Panasonic with model number of FP0-RTD6AFP0430

The direct current motor PWM speed regulation module can be EPSK, and the model is EPSK-1.

In the present invention, it should be noted that the specific types mentioned above can be replaced, and the present invention is not limited to the specific types.

Further, programmable controller experiment module 8 and electrical control experiment module 10 design side by side, and converter experiment board 7 and direct current motor PWM speed governing module 11 design side by side, and programmable controller experiment system power module 9 is located programmable controller experiment module 8 and electrical control experiment module 10 directly over, and converter experiment board 7 and direct current motor PWM speed governing module 11 are located programmable controller experiment module 8 and electrical control experiment module 10 directly under.

Furthermore, a P L C, a low-voltage electric device and a frequency converter are fixed on a matched PINC45 standard electric guide rail.

Furthermore, a wiring terminal, a button, a touch screen and a communication interface are fixed on the surface of the transparent acrylic panel 4 and are connected with devices on the rear layer through wires, and a schematic diagram of each device on the rear layer is engraved on the surface of the transparent acrylic panel 4, so that rapid identification during experimental wiring of the devices is facilitated.

The programmable controller experiment module 8 is a programmable controller, the experiment table provides a Siemens S7-1200 series CPU1215C DC/DC/DC host computer, the host computer is provided with digital quantity 14 input/10 output and analog quantity 2 input/2 output, a transistor type is provided with a2 network port, a P L C relay expansion module is optically coupled and isolated, 16 paths of output are provided, DC24V and 16A, a P L C communication module is provided, the communication module CAN support RS232, RS485, Ethernet, Profibus, CC-L ink and CAN bus, the control of P L C digital quantity and analog quantity CAN be realized, a communication interface is provided, the programmable controller experiment module CAN be matched with other modules to realize the forward and reverse rotation of a three-phase asynchronous motor, the Y- △ voltage reduction starting and the sequential starting and stopping of a plurality of motors in a P L C control mode, the frequency conversion and speed regulation of the three-phase asynchronous motor, the direct current motor speed regulation, the stepping motor and the servo motor, the control of the analog quantity, the programmable controller and related modules are directly connected with front layer lead wires to connect with front layer functional interfaces to facilitate teaching and develop speed regulation through teaching panels.

Providing one 5-port exchanger, related connectors and communication cables, and a matched multi-channel 24V direct current relay, wherein the relay comprises: contact form: the transformer coil has the advantages of being 4C (DPDT; contact load: 3A220VAC 3A24 VDC; impedance is less than or equal to 50M omega; rated current: 3A; electrical service life is more than or equal to 16 ten thousand times; mechanical service life is more than or equal to 8000 ten thousand times; coil parameter: resistance (10 percent) is 650 omega; coil power consumption: 900 mW; rated voltage: DC 24V; pull-in voltage: DC19.2V; release voltage: DC 7.2V; working temperature is-55 ℃ to +70 ℃, insulation resistance VAC is more than or equal to 100M omega; withstand voltage between coil and contact is 2000/1 minute; withstand voltage between contact and contact is 1000VAC/1 minute; the transformer coil is used for controlling positive and negative rotation of a direct current motor; each relay terminal is connected with a panel through a wire, and practical training wiring can be directly carried out through the terminal.

The frequency converter experiment board 7 is a frequency conversion speed regulation module and has the functions: the module can realize the frequency conversion speed regulation control of the three-phase asynchronous motor. The variable-frequency speed regulation control of the three-phase asynchronous motor in a PU mode, an external mode, a combined mode and a communication mode can be realized by matching with other modules.

The technical requirements are as follows: one 1.5KW type frequency converter is provided, and an RS485 interface and a communication line are matched. 1kW of three-phase asynchronous motor. And leading the working terminals of all the components to the terminal strip for experimental wiring. The type and the brand of the selected frequency converter need to be matched with the original laboratory equipment in a consistent manner, and teaching is facilitated.

The technical parameters of the key components are that a frequency converter has a power supply voltage and power range of 1.5kW, 380V-480V +/-10%, a plurality of relay outputs and a plurality of analog quantity outputs (0-20 mA), 6 digital inputs with isolation are switchable into NPN/PNP connection wires, 2 analog inputs of AIN1 (0-10V, 0-20 mA, -10- +10V) and AIN2 (0-10V, 0-20 mA), 2 analog inputs can also be used as 7 th and 8 th digital inputs, a high-level operation panel (AOP) and a PROFIBUS communication module for field bus communication are configured, the frequency converter has vector control performance, V/f control performance and a fast current limiting (FC L) function, the frequency converter has built-in direct current injection braking and composite braking functions, the frequency converter has built-in acceleration/deceleration characteristics, programmable ramp deceleration characteristics, comprises a start slope with smooth arcs at a start section and an end section, a start section without arcs, a smooth section, a start section without arcs, a proportional control function, a differential braking function, a composite braking function, a built-over-braking unit with built-protection function, a built-protection unit with a built-over-temperature control function, a set value of a direct current protection circuit, a DDS protection circuit, a switch function of a switch and a protection circuit for realizing a protection circuit, a protection circuit.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an use teaching experiment analogue means, includes laboratory bench stage body (1), transparent ya keli panel (4) and panel beating panel (6), panel beating panel (6) and transparent ya keli panel (4) combination constitution laboratory bench stage body (1), the lower terminal surface welding that laboratory bench stage body (1) is close to transparent ya keli panel (4) has motor slip table (3), and the bottom four corners of motor slip table (3) and laboratory bench stage body (1) is fixed with support (2) respectively, its characterized in that: the inside of laboratory bench platform body (1) adopts cavity (5) design, is fixed with supporting PINC45 standard electric guide rail on the inside terminal surface that is close to panel beating panel (6) of cavity (5), the surface embedding of transparent ya keli panel (4) is fixed with converter experiment board (7), programmable controller experiment module (8), programmable controller experiment system power module (9), electric control experiment module (10) and direct current motor PWM speed governing module (11).

2. The application teaching experiment simulation device of claim 1, wherein: programmable controller experiment module (8) and electrical control experiment module (10) design side by side, and converter experiment board (7) and direct current motor PWM speed governing module (11) design side by side, programmable controller experiment system power module (9) are located programmable controller experiment module (8) and electrical control experiment module (10) directly over, and converter experiment board (7) and direct current motor PWM speed governing module (11) are located programmable controller experiment module (8) and electrical control experiment module (10) directly under.

3. The simulation device for the application teaching experiment as claimed in claim 2, wherein the matched PINC45 standard electric guide rail is fixed with a P L C, a low-voltage electric device and a frequency converter.

4. The application teaching experiment simulation device of claim 3, wherein: the surface of the transparent acrylic panel (4) is fixed with a wiring terminal, a button, a touch screen and a communication interface and is connected with devices on the rear layer through wires, and the surface of the transparent acrylic panel (4) is engraved with a functional block diagram of each device on the rear layer.