CN2762197Y

CN2762197Y - Intelligent electronic cam controller

Info

Publication number: CN2762197Y
Application number: CN 200420120785
Authority: CN
Inventors: 于光; 王莉; 陈志成; 方任
Original assignee: SHENYANG HEAVY INDUSTRY ELECTRIC APPLIANCES MANUFACTURING Co Ltd
Current assignee: SHENYANG HEAVY INDUSTRY ELECTRIC APPLIANCES MANUFACTURING Co Ltd
Priority date: 2004-12-30
Filing date: 2004-12-30
Publication date: 2006-03-01
Anticipated expiration: 2014-12-30

Abstract

The utility model relates to an intelligent electronic cam controller, which comprises a keyboard display unit and a CPU that is formed by the connection of an SCM, a memorizer, an oscillator and a communication interface. The intelligent electronic cam controller is characterized in that an output port of a signal acquisition input unit is connected with an input port of the CPU, an output port of the CPU is respectively connected to three input ports of a relay output unit, an analog signal output unit and a communication interface unit, an interface of the keyboard display unit is connected with an interface of the CPU and an interface of a watchdog unit is connected to an interface of the CPU. The intelligent electronic cam controller can detect actual positions, can display directions and operating states, has the functions of relay output, analog quantity output, communication interfaces, etc., solves the defects that mechanical cam controllers have low accuracy and small output range, overcomes the conditions that a programmable controller has complicated programming and high operational difficulty, can connect analog signal output with an upper computer so as to visually display the operating states and carry out record and has the advantages of simple operation and convenient maintenance.

Description

The intelligent electronic cam controller

Technical field

The utility model relates to programmable controller, is to adopt one chip microcomputer and photoelectric encoder sensing technology.In procedure of industrial manufacture automatization, a kind of intelligent electronic cam controller that is used as the measuring position and shows constantly and export.

Background technology

In the industrial production automation control at present, the controller that position control adopted of object of which movement there are adjustable master controller of common cam and programmable controller.

The adjustable master controller of common cam is traditional cam quasi-controller, because it is to adopt mechanical cam structure and mechanical contact structure, so the mechanical drive error is big, control accuracy is low, can't satisfy the High Accuracy Control requirement; When the output break-make, there is not demonstration directly perceived, make operating personnel when control sequence is moved, leading or hysteresis error are arranged, the contact that links to each other with host computer is many, the failure rate height is difficult for reaching the hight coordinate of man-machine action, and its output can only be done output action in 360 degree scopes, limit because of the mechanical cam chip architecture simultaneously, low-angle control or trace adjustment all are difficult for realizing.

Programmable controller is a kind of based on microprocessing, combine computer technology, a kind of industrial control device of automatic technology and mechanics of communication, be widely used in the industrial production automation control, but replace the mechanical cam controller with it, be exclusively used in the sequence of movement of certain single device of control, or a certain production run order, need the complicated control program of establishment, and use and maintenance technique content height, need the engineering technical personnel of specialty to finish, what lack that the production scene needs is the sort of terse, quick, practical professional.

The utility model content

The purpose of this utility model provides a kind of intelligent electronic cam controller that has adjustable master controller of mechanical cam and Programmable Logic Controller two-fold advantage concurrently, can measure actual position and energy display direction and duty, have multiple functions such as relay output, analog quantity output, communication interface; Solve the shortcoming that mechanical cam controller precision is low, output area is little, overcome the situation that the programmable controller programming is complicated, the operative technique difficulty is high; Have simulating signal output and can be connected display working condition directly perceived and record with host computer; Simple to operate, easy to maintenance.

The core of technical solutions of the utility model is: use the one chip microcomputer technology, and photoelectric coding sensing technology, with the pulse signal of photoelectric encoder as input signal, processing by microcomputer, display position and export simulating signal and the switching value signal constantly, and send in the storer, finish control purpose and data recording protective effect to the controlled plant action; The complicated program work that former cause specialized engineering technician is finished before production, change into the production scene by common operating personnel the programming panel on, work out or revise user program with the button of programming intuitively, have the Programmable Logic Controller function, realize that the industrial automation production scene is desired accurate, efficient, practical.

The technical solution of the utility model is as follows: it comprises the CPU (central processing unit), the keyboard display unit that are connected and composed by single-chip microcomputer, storer, oscillator, communication interface, it is characterized in that: signals collecting input block delivery outlet connects the CPU (central processing unit) input port, the CPU (central processing unit) delivery outlet is connected with relay output unit, simulating signal output unit and communication interface unit input port respectively, the keyboard display unit interface connects cpu interface, and the watchdog unit interface is connected with cpu interface;

Above-mentioned signals collecting input block is to be connected and composed by photoelectric encoder and signal preposing signal process circuit, and photoelectric encoder connects controlled plant;

Above-mentioned relay output unit is to be connected and composed by displacement latch, light idol, the reverse trigger of Si Mite, driver, light emitting diode, resistance row, resistance, diode, relay, single-chip microcomputer sends signal and through the displacement latch output is latched in the single-chip data displacement, drives the light emitting diode and the resistance of series connection by light idol, the reverse trigger of Si Mite and driver; Realize the indication action with diode connected in parallel and relay;

Above-mentioned watchdog unit is to be connected and composed by clock, crystal oscillator, electric capacity, resistance, battery, realizes the monitor record of data;

Above-mentioned simulating signal output unit can the outputting standard analog signals.

The utlity model has following advantage: can measure actual position and energy display direction and duty, have multiple functions such as relay output, analog quantity output, communication interface; Solve the shortcoming that mechanical cam controller precision is low, output area is little, overcome the situation that the programmable controller programming is complicated, the operative technique difficulty is high; Have simulating signal output and can be connected display working condition directly perceived and record with host computer; Simple to operate, easy to maintenance.

Description of drawings

Fig. 1 is a schematic block circuit diagram of the present utility model.

Fig. 2 is CPU (central processing unit) of the present utility model, signals collecting input block and watchdog unit circuit theory diagrams.

Fig. 3 is simulating signal output unit of the present utility model, relay output unit and communication interface unit circuit theory diagrams.

Fig. 4 is the keyboard display unit circuit theory diagrams.

Embodiment

See Fig. 1-4, the utility model is made up of CPU (central processing unit) and signals collecting input block, watchdog unit, relay output unit, simulating signal output unit, keyboard display unit.CPU (central processing unit) is made of single-chip microcomputer, storer, oscillator, communication interface etc., signals collecting input block delivery outlet is connected with the CPU (central processing unit) input port, the CPU (central processing unit) delivery outlet is connected with relay output unit, simulating signal output unit and communication interface unit input port respectively, and keyboard display unit interface, watchdog unit interface are connected with cpu interface respectively.

See Fig. 1,2, the relay output unit is to be connected and composed by displacement latch IC3, the reverse trigger U1 of Si Mite, driver U2, LED 10-LED13, resistance row R1, resistance R 311-R33, diode D1-D4, relay J 1-J4, single-chip microcomputer P10 mouth sends signal and through displacement latch IC3 single-chip microcomputer P10 mouth data shift is latched output, drives the LED 10-LED13 and the resistance R 31-R33 of series connection by reverse trigger U1 of Si Mite and driver U2; Realize the indication action with diode connected in parallel D1-D4 and relay J 1-J4;

See Fig. 1,3, it is to be connected and composed by clock U4, crystal oscillator T1, capacitor C 5-C6, resistance R 2-R3, battery BT1 for a watchdog unit, the TI of single-chip microcomputer, RD interface are connected with 6,7 pin of clock U4, crystal oscillator T1, capacitor C 57-C6, resistance R 2-R3, battery BT1 link to each other with clock U4, realize the monitor record of data;

During work, the square-wave signal that photoelectric encoder is gathered by controlled plant, after the signal preposing signal process circuit is isolated shaping, import in the single-chip microcomputer of CPU (central processing unit), single-chip microcomputer is by being solidificated in the system control program in the storer, input signal is carried out plus-minus counting, give keyboard display unit and simulating signal output unit with numerical value, show current numerical value simultaneously and send corresponding simulating signal, meanwhile single-chip microcomputer is judged the position of output point, make output point do switch motion in presetting the count value scope of setting, communication interface sends serial communication signals and gives host computer.It comprises the CPU (central processing unit), the keyboard display unit that are connected and composed by single-chip microcomputer, storer, oscillator, communication interface, it is characterized in that: signals collecting input block delivery outlet connects the CPU (central processing unit) input port, the CPU (central processing unit) delivery outlet is connected with relay output unit, simulating signal output unit and communication interface unit input port respectively, the keyboard display unit interface connects cpu interface, and the watchdog unit interface is connected with cpu interface.

Claims

1, a kind of intelligent electronic cam controller, it comprises the CPU (central processing unit), the keyboard display unit that are connected and composed by single-chip microcomputer, storer, oscillator, communication interface, it is characterized in that: signals collecting input block delivery outlet connects the CPU (central processing unit) input port, the CPU (central processing unit) delivery outlet is connected with relay output unit, simulating signal output unit and communication interface unit input port respectively, the keyboard display unit interface connects cpu interface, and the watchdog unit interface is connected with cpu interface;

2, intelligent electronic cam controller according to claim 1 is characterized in that: the signals collecting input block is to be connected and composed by photoelectric encoder and signal preposing signal process circuit, and photoelectric encoder connects controlled plant;

3, intelligent electronic cam controller according to claim 1 is characterized in that: the relay output unit is to be connected and composed by displacement latch, the reverse trigger of Si Mite, driver, light emitting diode, resistance row, resistance, diode, relay.

4, intelligent electronic cam controller according to claim 1 is characterized in that: watchdog unit is to be connected and composed by clock, crystal oscillator, electric capacity, resistance, battery.