SU1371820A1 - Apparatus for controlling the welding equipment - Google Patents

Abstract

The invention relates to the field of materials processing by welding and cladding and can be used for software control of welding equipment. The purpose of the invention is to expand the functionality of a control device based on a microcontroller module containing input and output interfaces, a control unit (keyboard) and position sensors of actuating mechanisms of welding equipment. A counter, descrambler, and one-shot are entered into the control device. switches and logic elements AND and OR. Counting pulses from the output of the microcontroller module through the element And are fed to the input of the counter. The digital code from the output of the counter goes to a decoder, the outputs of which are connected to switches that act as time interval adjusters. When a specified time interval is reached at the output of one of the AND elements, a signal appears that, through the OR element and the input interface, enters the microcontroller's input through the data. The latter, via the output interface, issues a new actuator control code, depending on the state of the sensors. By quickly changing the programs of the technical process for various welding equipment, a high level of unification is achieved. 1 il. cl

Description

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The invention is intended to be abolished in welding production while automating the control of equipment operation cycles, in particular, in arc welding and in welding.

The aim of the invention is to expand the functional capabilities of a control device using a microcontroller, which will allow for promptly incorporating a techno- logical process without changing the recorded program.

When controlling, for example, by installing a build-up of engine valve fuse in an internal combustion process, it is necessary to change the technological time intervals between cycles using the setter, and not by nepenpoi ramming.

The drawing shows a block diagram of the device.

The device contains a control panel I control and sensors 2, which through iiter- (}) it, H input is connected to the inputs. Micro-Kotn | k). 1lno | -o mod, 1H 4 through the njn-sensors and the address address, and The control panel of the SC.1K) through 11a interface to the output 5, the outputs of the KOTopoi o are connected to the emergency mechanisms 6 and to the inputs of the control unit SLI 7, the output of which is connected by the input of the I and I terminal. The output of the microcontroller module is also connected to the counter 9 through | N of si.icMeHT And 8, and the output of the counter is connected to the dep1I () with the hormone K), the outputs of the KOTOpoio are connected to the junction, 1yuchet / 1 m 1 1 - 13. The outputs are connected to Connected with the second inputs -, 1 () m And 14 Ifj, the first inputs of which |) b; connected to the corresponding inputs of the ITTS) (| 1cain 5 output. The outputs of the AND 14 l terminals (i are connected to the inputs of the I, H and 17 tributary, the output of which is through one-vibration); the ator 18 is connected to the installation input of the counter 9 and with an interface input 3 | ik) yes. The hlákturna scheme of the proposed hh tproy does not change when different types of anktmaticheskuyu blown welding and napanka, iiaiifMiMcp welding iodine f. P. 1av ps. 1ECTR () D (). M, when welding is melting: (lek) () D () m in .tanuiTHO.M gas, with H.iaisKe valves. Shifting BHXTpenfieio combustion and d.

ABOUT | .1, the numbers are .1II1b the number and type of version. | nyh mechanisms and switches of the belt interval, 1 at a constant prog) am.mm.1.1 of each specific case of welding, (written 11 in the microprocessor IZU, - leler.

F-assam works) of the proposed device is U11rav, 1 when surfacing of the engines of the internal combustion engine by means of freezing.

Ierek-1K) And 13 readers set the required time intervals: t | - time of heating the billet of a valve with a ring at one voltage on the inductor; ti.) - the same, with a different voltage on the inductor; t.i go. at third voltage on induk5

trap After pressing on the remote control 1 of the Start Microcontroller Module 4 button, it analyzes the status of sensors 2, the information about the status of which is read through the input interface 3 through the sensor bus. When the actuators are ready, the microcontroller module 4, via the output interface 5, provides the control code according to the recorded program. Simultaneously with the issuance of the control code 0, the logic level "1 appears at the input of the element OR 7, which enters the input element AND 8 and allows the time pulses from the corresponding output of the microcontroller module 4 5 to pass through the element AND 8 to the input of the sensor 9. Digital code from the output of the counter 9 is fed to the input of the decoder 10, the corresponding outputs of which are connected in parallel to the inputs of the switches 11 - 13.

When the digital code from the output 0 of the decoder 10 coincides with the code set on the switch 11, the log level appears at the output of the latter. “1, which arrives at element 1Т and 14. At the second input of element 14, the level log arrives. “1 with the corresponding output of interface 5 output. Consequently, the output of the element And 14 but is the level; ior. “1, which through the element OR 17 is fed to the input of the single-vibrator 18 and through the interface of output 3 by means of a 1-pin of sensors to the input of the microcontroller module 4.

The single-oscillator 18 sets the counter 9 to the zero state, and the microcontroller module 4 issues a new control code for the executive mechanisms 6. We enter pulses from the corresponding output of the microcontroller module 4 to the counter 9 input.

If the digital code from the output of the decoder 10 coincides with the code set on the switch 12, the level of the log is at the output of the last one. “I, which goes to the element And 15.

From the output of the element and 15 through the element of ISCI 17 signal. Lo1 "1 enters through the interface 3 of the input to the input of the microcontroller module 4, which issues a new control code to the recorded program, etc.

In addition, the time intervals ti, i-, t), t ,, ("in the general case can be followed in any sequence. An algorithm for the operation of welding equipment is possible, in which the activation of some actuators is due to time (, and others sensor status 2.

Thus, the proposed control unit can operate according to a program, 5 which is recorded in the microcontroller's ROM, and also allows you to set the required time intervals, without changing the program, using a single pulse counter.

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In the preferred embodiment of the device, the input interface 3 is built on the basis of the code key K 501KN 2P. Via the input interface 3, the status of the control panel buttons and the sensors is read through the address address bus and the sensor bus.

The microcontroller module 4 consists of a microcontroller (MK) 145 IK 1807. A permanent memory ROM on the basis of K 155 REZ, a phase generator (GF) K 165 GF2, and a chip sampler on the semiconductor elements.

The output interface 5, the counter 9 and the decoder 10 are built on the basis of the K 501 series. The setting of time intervals is performed by a switch block of the PMP10200P2UZ type.

The actuators 6 in the device shown as an example are a high-frequency generator, electric valves, an asynchronous motor, and a hydraulic valve. Non-contact elements are used as sensors 2 for real-time monitoring of actuators.

The application of the proposed device allows extending the functional capabilities of the latter by promptly changing the time intervals between the commands with the aid of the setter, and not by changing the program.

Claims (1)

Formula isopreteni Welding Controller 1M equipment containing a microcontroller module with address and control, an input interface with inputs for polling external devices, an output interface for control inputs, sampling external devices and polling sensors, keyboard glints, sensors and actuators mechanisms, characterized in that, in order to expand the functionality of the device, a counter, a de-pythrater, switches, a one-shot are introduced into it. elements AND and OR, while the corresponding outputs of the output interface are connected to the actuators, the first inputs of the group of the first elements AND and the inputs of the first OR element whose output is connected to the first input of the second element I. The second input is connected to the corresponding clock output of micropoints - ro, 1l module, the output of the second element And is connected to the counting input of the counter, the output of which is connected to the switch inputs through the decoder, and 5 input through a one-shot is connected to the input of the polling channels input interface n with the output of the second element OR. the inputs of which are connected to the outputs of the group of the first elements And, the second inputs of which are connected to the outputs of the corresponding switches, the number of which determines the number of0 0 first items