CN103217971A

CN103217971A - Portable multi-functional electrically controlled experiment platform

Info

Publication number: CN103217971A
Application number: CN201310115325XA
Authority: CN
Inventors: 李万莉; 谭祺; 王嘉宁
Original assignee: Tongji University
Current assignee: Tongji University
Priority date: 2013-04-03
Filing date: 2013-04-03
Publication date: 2013-07-24

Abstract

The invention relates to a research and development platform for engineering and mechanical products, in particular to a portable multi-functional electrically controlled experiment platform. According to the platform, a programmable controller is taken as a core, multiple types of input and output devices are configured, the connection with various categories of peripheral devices is supported, and the platform is suitable for simulating the actual working conditions of more engineering systems and can be used as a prophase experiment platform for the debugging of an actual machine; and by the design of a portable box body, the platform can be enabled to appear in multiple debugging places and conveniently taken as an auxiliary device in the debugging of the actual machine, and the debugging efficiency is guaranteed.

Description

The automatically controlled experiment porch of portable multi-function

Technical field

The present invention relates to the research/development platform of construction machinery product, particularly based on the programmable engineering machinery trial-production of a kind of portable multi-function platform.

Background technology

In engineering machinery field, along with the input of more and more new technologies such as electromechanical integration, automatic control technology is used, electrical equipment has particularly become requisite link for the debugging of director demon code, this part finish the quality that effect directly has influence on engineering machinery.Common engineering machinery in the flow process that development adopts is: at first finish mechanical system, Design of Hydraulic System, manufacturing and the assembling of equipment, on this basis electric-control system is designed, installs and debugs then.Equipment at trial-production carries out scene installation and debugging, since to adapt to temporarily various types of hardware electrical specification, satisfy all kinds of complicated factors such as signal transmission conditions between hardware and the controller, consequent emergency case can be brought beyond thought difficulty, cause debugging cycle to be difficult to expection, will make a big impact to whole research and development progress like this; On the other hand, the debugging enironment of engineering machinery is unsatisfactory usually, no matter is the engineering staff, and the engineering machinery that still is in test phase all can't guarantee debugging running for a long time, and when meeting with the atrocious weather situation, debugging efficiency just can't guarantee.

Summary of the invention

The object of the present invention is to provide a kind of convenient and efficient based on the automatically controlled experiment porch of portable multi-function, be used for electric-control system research and development, before product does not create, can carry out the design of hardware and software and the simulation study of electric-control system.The method depends on the automatically controlled experiment porch of a kind of portable multi-function, this experiment porch has control core able to programme, be equipped with the polymorphic type Peripheral Interface, the box-type design is easy to carry about with one, can be beneficial to the debugging in advance and the assistant adjustment of program code for the research and development of various machineries and test provide practical, stability and high efficiency and debugging enironment simply and easily.

The present invention is achieved through the following technical solutions:

The automatically controlled experiment porch of a kind of portable multi-function is characterized in that, the design of the whole employing of this experiment porch box-type,

Comprise casing, be used for each components and parts in support, installation and the guard box;

Comprise Programmable Logic Controller and display screen, be the core of experiment porch, the both is a programming device, and the double-core operation all can connect computer, downloads in real time and debugs at different programs, and communication between the two uses the CAN bus to realize; Display screen carries button, and screen is a resistive touch screen, can finish parameter demonstration and instruction input according to the program of being downloaded;

Comprise the input-output device of forming by operating rod, control button and pilot lamp, operating rod, control button all are connected with Programmable Logic Controller respectively by connection terminal with pilot lamp, and they are exported as analog quantity input, digital quantity input and the digital quantity of Programmable Logic Controller respectively;

Comprise scram button and power supply interface;

Comprise Aviation Connector, the lead-in wire in the Aviation Connector can link to each other with each pin of Programmable Logic Controller by connection terminal neatly according to the performance requirement of peripheral hardware, finishes Programmable Logic Controller with this and reads or move control for the signal of peripheral hardware;

Comprise the communication interface of forming by serial line interface and USB interface, be used for the communication pin on the Programmable Logic Controller is drawn, for its with peripherals between the use of communicating by letter;

Comprise connection terminal, all pins of Programmable Logic Controller all are connected to connection terminal, these elements of input-output device, Aviation Connector and communication interface can be connected corresponding connection terminal according to the semaphore request of self respectively, correctly are communicated with Programmable Logic Controller easily;

Comprise Switching Power Supply, Switching Power Supply is inside and outside all the element power supplies of casing, and power supply interface, scram button and Switching Power Supply are connected in series successively;

Described casing is a metal cabinet, and its panel and upper and lower bottom plate are integral structure, and described integral structure uses screw to be connected again with between backboard, the biside plate; Display screen, operating rod, control knob, pilot lamp, scram button and serial line interface are installed on the panel of casing outside; The Aviation Connector of USB interface and different core numbers is installed on the casing right plate; Handle is housed on the roof box, adorns rubber blanket on the base plate; On the casing backboard power supply interface is housed; Programmable Logic Controller, Switching Power Supply and guide tracked connection terminal are installed on the base plate of box house.

Experiment porch of the present invention can be carried out the design of hardware and software and the simulation study of electric-control system before construction machinery product does not create, realize that electric-control system research and development and product mechanical system are researched and developed, the hydraulic system research and development are carried out synchronously.This platform is a core with controller and display screen, can be implemented in the program real-time debug under the codesys programmed environment, controller makes data show visually that in time touching display screen can be directly used in the setting to correlation parameter in the program by CAN bus and display screen communication; Also can be connected with equipment such as outside each sensor, camera, solenoid valves easily by each class interface, processes such as data acquisition, action execution are finished in control, can adapt to all types of input-output device; Experiment porch is portable body structure, can carry out field adjustable and monitoring at different product.In brief, experiment porch uses Programmable Logic Controller to be core, is furnished with polytype input-output device, and support is connected with various types of peripheral devices, is fit to the actual condition of the more engineering system of simulation, can be used as the previous experiments platform of prototype debugging; Portable cabinet design also makes it can appear at numerous debugging occasions, and is convenient as the utility appliance when prototype is debugged, and ensures debugging efficiency.

Description of drawings

Fig. 1 is the axle side synoptic diagram that waits of the present invention.

Fig. 2 is the front elevation of control platform.

Fig. 3 is the A-A cut-open view among Fig. 2.

Fig. 4 is the element connection diagram.

Embodiment

Below in conjunction with drawings and Examples technical solution of the present invention is described in further detail.

The integral body of experiment porch adopts the box-type design, on the outside panel display screen 3, operating rod 4, control knob 7, pilot lamp 8, scram button 9 and serial line interface 10 are installed, the Aviation Connector 11 of usb 12 and different core numbers is installed on the right plate, handle 13 is housed on the top board, dress rubber blanket 14 is equipped with the power supply interface (not shown) on the base plate on the backboard; On the inner base plate Programmable Logic Controller 2, Switching Power Supply 5 and guide tracked connection terminal 6 are installed.

The metal cabinet of experiment porch is mainly used in each components and parts in support, installation and the guard box, guarantees that winding displacement, switching etc. are electrically connected finishing at box house.Its panel is that integral type is connected with upper and lower bottom plate, is connected with using screw between backboard and the biside plate, and is detachable when backboard and biside plate need, convenient according to different actual requirement adjustment wiring.

The core of experiment porch is Programmable Logic Controller 2 and display screen 3, and it is programming device, all can connect computer, downloads in real time and debugs at different programs, and communication between the two can use the CAN bus to realize.All pins of Programmable Logic Controller all are connected to connection terminal 6, and other each elements can connect corresponding connection terminal according to the semaphore request of self respectively, correctly are communicated with Programmable Logic Controller easily; Display screen 3 carries button, and screen is a resistive touch screen, can finish parameter demonstration and instruction input by the program of downloading.

Experiment porch is to introduce alternating current by the power supply interface on the backboard, uses Switching Power Supply to convert thereof into direct current, thereby guarantees the safe handling of elements such as controller, display screen; Be connected the scram button on the panel between power supply interface and the Switching Power Supply, be used for all power supplys of fast shut-off in case of emergency.

Operating rod 4, the control button 7 of experiment porch on panel is connected with Programmable Logic Controller 2 by connection terminal 6 with pilot lamp 8, exports as analog quantity input, digital quantity input and the digital quantity of Programmable Logic Controller respectively.

Experiment porch is furnished with each class interface and connect uses for polytype peripherals: the lead-in wires in the Aviation Connector 11 on the right plate can link to each other with each pin of Programmable Logic Controller 2 by connection terminal 6 neatly according to the performance requirement of peripheral hardware, finish Programmable Logic Controller with this and read or move control for the signal of peripheral hardware; Serial line interface 10 on the panel is drawn the pin of communicating by letter on the Programmable Logic Controller 2 with the usb 12 on the right plate, for its with peripherals between the use of communicating by letter.

Outside AC power rate is introduced into scram button 9 and the Switching Power Supply 5 among Fig. 3, convert the connection terminal 6 that enters behind the direct current among Fig. 3 to, a connection terminal part wherein is set to common port, comprises that from then on Programmable Logic Controller 2, each element in the experiment porchs such as display screen 3 among Fig. 2 among Fig. 3 all can obtain power supply.

Programmable Logic Controller 2 and display screen 3 all need to download before work, the both can connect computer by the serial line interface among Fig. 1 10 and finish, this type of download can use the relevant software of writing to carry out debugging methods such as assignment to the real-time monitoring of working procedure, to the parameter in the program, and display screen also can directly directly download by the usb 1 among Fig. 12.

On the panel of metal cabinet 1 shown in Figure 2, operating rod 4, control knob 7 and pilot lamp 8 are installed, these are respectively Programmable Logic Controller 2 analog quantity input, digital quantity input and digital quantity output are provided, these equipment all are to be connected with Programmable Logic Controller by terminals 6, connect each element with connected mode shown in Figure 4, realized the Comprehensive Control of each data type.

On the side plate that Aviation Connector 11 shown in Figure 1 is installed in, the core of 8 Aviation Connector is counted difference, in order to corresponding access requirement to be provided, can insert the equipment of outside various signal types, for example equipment such as sensor, camera, solenoid valve make experiment porch can support various functional programs debugging.

Use handle 13 and rubber blanket 14 among Fig. 2, can carry whole experiment porch easily, place all kinds of scenes to debug.

Claims

1. the automatically controlled experiment porch of portable multi-function is characterized in that, the design of the whole employing of this experiment porch box-type,

Comprise scram button and power supply interface;