CN205684872U - A kind of based on monolithic processor controlled welding magnetic control means - Google Patents
A kind of based on monolithic processor controlled welding magnetic control means Download PDFInfo
- Publication number
- CN205684872U CN205684872U CN201620696642.4U CN201620696642U CN205684872U CN 205684872 U CN205684872 U CN 205684872U CN 201620696642 U CN201620696642 U CN 201620696642U CN 205684872 U CN205684872 U CN 205684872U
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- China
- Prior art keywords
- chip microcomputer
- welding
- 80c196mc
- circuit
- control means
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Abstract
nullThe utility model discloses a kind of based on monolithic processor controlled welding magnetic control means，80C196MC single-chip microcomputer connects motor by pwm power interface，Motor is connected with single-chip microcomputer by photoimpact input interface，Single-chip microcomputer sends signal and is converted into analogue signal by the D/A converter in single-chip microcomputer，Again through circuit transmission at different levels to the source of welding current，The voltage of the source of welding current and current detection signal are transferred to single-chip microcomputer after A/D converter is converted into digital signal，By single-chip microcomputer basic configuration unit and expanded circuit，Use serial communication interface，The control and the pwm power that carry out the source of welding current drive interface，The on off control and the speed of welding that realize motor control，And arc voltage and electric current are controlled，The feedback of welded condition is realized by sensor，Complete control and the status display function of welding procedure，This utility model simple in construction，Flexible and convenient operation，Welding cost is low，All-position automatic welding of pipelines can be realized，Improve production efficiency，Reduce the labor intensity of workman.
Description
Technical field
This utility model relates to welder technical field, a kind of based on monolithic processor controlled welding magnetic control
Device.
Background technology
Along with the development of industrial technology, pipeline pipe network is crisscross, constantly carries the resource such as oil, natural gas and water, can
The tremulous pulse of meaning industry, and pipeline welding is the key of pipe laying.The quality of welding quality directly influences the good of construction quality
Bad, it is related to the service life of pipeline, traditional pipeline welding, typically uses SMAW, completed by manual welding, right
When heavy caliber tube welding, the workman of needs is many, and speed of welding is relatively slow, and welding quality is relatively low, and welding cost is high, it is impossible to root
Control in real time according to welding scene practical situation, inconvenient operation, it is difficult to control flexibly.
Therefore, a flexible and convenient operation, low cost, raising production effect are designed for overcoming the deficiency of above-mentioned technology
Rate, reduce workman labor intensity, the one of all-position automatic welding of pipelines can be realized based on monolithic processor controlled welding magnetic control
Device, just inventor's problem to be solved.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of based on monolithic processor controlled welding magnetic control
Device, its simple in construction, flexible and convenient operation, welding cost is low, can realize all-position automatic welding of pipelines, improves and produces effect
Rate, reduces the labor intensity of workman.
This utility model solves its technical problem and be the technical scheme is that a kind of based on monolithic processor controlled welding magnetic
Controlling device, it includes control system, the source of welding current, synchronization magnetic control means, welding gun, and described control system includes 80C196MC monolithic
Machine, described 80C196MC single-chip microcomputer is respectively with external program memory, external data memory, reset circuit, display even
Connecing, described 80C196MC single-chip microcomputer connects PC by serial communication interface, and described 80C196MC single-chip microcomputer is connect by pwm power
Mouth connection motor, described motor is connected with welding gun, and described motor is by photoimpact input interface with 80C196MC single-chip microcomputer even
Connecing, described 80C196MC single-chip microcomputer sends starting the arc receipts arc signal and is converted into analogue signal by the D/A converter in single-chip microcomputer, institute
Stating D/A converter to be connected with amplifying circuit by 74HC573 expansion interface, described amplifying circuit is connected with isolation circuit, described
Isolation circuit is connected with voltage follower, and described voltage follower is connected with the source of welding current by temperature drift zeroing circuit, institute
Stating the source of welding current to be connected with Hall current sensor, Hall voltage sensor, described Hall current sensor, Hall voltage sense
Device is connected with isolation circuit by synchronizing magnetic control means, and described synchronization magnetic control means is connected with magnetizing coil, described isolation circuit
Be connected with voltage follower by temperature drift zeroing circuit, described voltage follower by 74HC245 expansion interface with
A/D converter in 80C196MC single-chip microcomputer connects, and voltage and the current detection signal of the described source of welding current are changed through described A/D
Device is transferred to 80C196MC single-chip microcomputer after being converted into digital signal.
Further, described motor is DC servo motor.
The beneficial effects of the utility model are:
1, this utility model simple in construction, flexible and convenient operation, welding cost is low, can realize pipeline position automatic welding
Connect, improve production efficiency, reduce the labor intensity of workman.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model control system I/O expansion interface circuit figure.
Fig. 3 is this utility model PWM output interface circuit figure.
Fig. 4 is this utility model current detection circuit figure.
Fig. 5 is this utility model D/A change-over circuit figure.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is expanded on further, it should be appreciated that these embodiments are merely to illustrate this
Utility model rather than limit scope of the present utility model.In addition, it is to be understood that reading the content that this utility model is lectured
Afterwards, this utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values also fall within application
Appended claims limited range.
Seeing Fig. 1 is this utility model structural representation, and this structure is a kind of based on monolithic processor controlled welding magnetic control means,
Including control system, the source of welding current, synchronization magnetic control means, welding gun, control system includes 80C196MC single-chip microcomputer, and 80C196MC is mono-
Sheet machine is connected with external program memory, external data memory, reset circuit, display respectively, and 80C196MC single-chip microcomputer leads to
Crossing serial communication interface and connect PC, 80C196MC single-chip microcomputer connects motor by pwm power interface, and motor is connected with welding gun,
Motor is connected with 80C196MC single-chip microcomputer by photoimpact input interface, and 80C196MC single-chip microcomputer sends starting the arc receipts arc signal and leads to
Crossing the D/A converter in single-chip microcomputer and be converted into analogue signal, D/A converter is by 74HC573 expansion interface with amplifying circuit even
Connecing, amplifying circuit is connected with isolation circuit, and isolation circuit is connected with voltage follower, and voltage follower is returned to zero by temperature drift
Circuit is connected with the source of welding current, and the source of welding current is connected with Hall current sensor, Hall voltage sensor, and Hall current senses
Device, Hall voltage sensor are connected with isolation circuit by synchronizing magnetic control means, synchronize magnetic control means and are connected with magnetizing coil, every
Is connected with voltage follower by temperature drift zeroing circuit from circuit, voltage follower pass through 74HC245 expansion interface and
A/D converter in 80C196MC single-chip microcomputer connects, and voltage and the current detection signal of the source of welding current are converted into through A/D converter
80C196MC single-chip microcomputer it is transferred to after digital signal.
Seeing Fig. 2 is this utility model control system I/O expansion interface circuit figure, and seeing Fig. 4 is this utility model electric current
Testing circuit figure, in order to realize multi-way control signals during welding, needs expansion I/O mouth, 74HC573 interface and 74HC245 connects
The input of mouth composition system and output, carry out expansion I/O unit with this.This utility model selects 80C196MC single-chip microcomputer for controlling
Device, with DC servo-motor for driving motor, passes through Single-chip Controlling, it is achieved steadily swinging and walking of welding gun.By suddenly
Your sensor realizes the feedback of welded condition, completes the function such as the control of welding procedure and the display of welded condition.Control system
Utilizing serial communication, welding parameter and control program are transported to single-chip microcomputer, execution control and bond pattern conversion by PC.
By Single-chip Controlling display screen, operator can be to the arc voltage in welding process, welding current and welding gun welding speed
Degree is accomplished to control in time.
Seeing Fig. 3 is this utility model PWM output interface circuit figure, and direct current generator changes active voltage by PWM and realizes
Control to rotating speed, the start and stop of Single-chip Controlling motor and speed of welding, and arc voltage and electric current are controlled, utilize
Data ALT-CH alternate channel and I/O mouth, flow to the signal collected single-chip microcomputer, then controlled to weld by single-chip microcomputer output signal
Journey.Single-chip microcomputer used by control system can not only produce pwm signal, and can carry out signal feedback, it is achieved closed-loop speed, position
Other functions such as control.The control chip selecting 80C196MC to be automation welding control system system, in conjunction with peripheral interface and adjustment electricity
Road, improves computing capability and the response speed of system, thus realizes welding the accurate control of the amplitude of oscillation, wobble frequency.
Output interface application high speed photo coupling and interlocking device carry out pulsewidth tune, and the driving of motor uses H-bridge circuit, enter single
Have passed through coupling isolation, shaping before the motor switch amount signal of sheet machine, decrease the interference in the external world.Control system single-chip microcomputer
Input signal has: by the signal after passing through amplification after sensor acquisition, processing, and the signal of detection welding current.Output letter
Number have: start, stop the control signal of welding system power supply.The information shown over the display: welding current, the control of voltage
Signal.
Control system realizes A/D translation function by A/D converter in sheet and these two parts of off-chip sampling interface circuit.
In external interface circuit, simulation input quantity is affected very big by external interface circuit, and the characteristic of A/D converter also can be by its shadow
Ring.Reduce the external disturbance impact on single-chip microcomputer by photoisolator, use temperature to float for reducing sampling error simultaneously
Transposition zero circuit.In order to amplify electric current, and reducing sampling error, circuit uses voltage follower connecing as input simulation pin
Mouthful, voltage follower also has the feature of high input impedance and low output impedance.
Seeing Fig. 5 is this utility model D/A change-over circuit figure, single-chip microcomputer the digital signal exported is converted into by D/A
For analogue signal, analogue signal is transported to D/A external interface circuit, links in interface circuit, the most at last control signal
It is transported to the source of welding current, it is achieved the control to the source of welding current.Due to single-chip microcomputer output digital signal through D/A converted signals relatively
Weak, to be first amplified, in order to improve the load capacity of circuit, this interface circuit uses voltage follower, in order to reduce sampling
Error, uses isolation circuit and temperature drift zeroing circuit.
This utility model simple in construction, flexible and convenient operation, welding cost is low, can realize all-position automatic welding of pipelines,
Improve production efficiency, reduce the labor intensity of workman.
Claims (2)
1. one kind based on monolithic processor controlled welding magnetic control means, it is characterised in that: it include control system, the source of welding current, with
Step magnetic control means, welding gun, described control system includes 80C196MC single-chip microcomputer, described 80C196MC single-chip microcomputer respectively with outside journey
Sequence memorizer, external data memory, reset circuit, display connect, and described 80C196MC single-chip microcomputer is connect by serial communication
Mouth connection PC, described 80C196MC single-chip microcomputer connects motor by pwm power interface, and described motor is connected with welding gun, described
Motor is connected with 80C196MC single-chip microcomputer by photoimpact input interface, and described 80C196MC single-chip microcomputer has sent lonely arc of receiving to be believed
Number being converted into analogue signal by the D/A converter in single-chip microcomputer, described D/A converter is by 74HC573 expansion interface and puts
Big circuit connects, and described amplifying circuit is connected with isolating circuit, and described isolation circuit is connected with voltage follower, described voltage with
It is connected with the source of welding current by temperature drift zeroing circuit with device, the described source of welding current and Hall current sensor, Hall voltage
Sensor connects, and described Hall current sensor, Hall voltage sensor are connected with isolation circuit by synchronizing magnetic control means, institute
Stating synchronization magnetic control means to be connected with magnetizing coil, described isolation circuit is by temperature drift zeroing circuit with voltage follower even
Connecing, described voltage follower is connected with the A/D converter in 80C196MC single-chip microcomputer by 74HC245 expansion interface, described weldering
The voltage and the current detection signal that connect power supply are transferred to 80C196MC monolithic after described A/D converter is converted into digital signal
Machine.
One the most according to claim 1 is based on monolithic processor controlled welding magnetic control means, it is characterised in that: described motor
For DC servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620696642.4U CN205684872U (en) | 2016-06-27 | 2016-06-27 | A kind of based on monolithic processor controlled welding magnetic control means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620696642.4U CN205684872U (en) | 2016-06-27 | 2016-06-27 | A kind of based on monolithic processor controlled welding magnetic control means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205684872U true CN205684872U (en) | 2016-11-16 |
Family
ID=57259449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620696642.4U Expired - Fee Related CN205684872U (en) | 2016-06-27 | 2016-06-27 | A kind of based on monolithic processor controlled welding magnetic control means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205684872U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175560A (en) * | 2019-12-25 | 2020-05-19 | 杭州新世宝电动转向系统有限公司 | Method for quickly adjusting welding voltage of Hall torque sensor magnetic ring in EPS (electric power steering) |
| CN113977038A (en) * | 2021-11-16 | 2022-01-28 | 昆山华恒焊接股份有限公司 | Welding control circuit, welding gun and welding equipment |
-
2016
- 2016-06-27 CN CN201620696642.4U patent/CN205684872U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175560A (en) * | 2019-12-25 | 2020-05-19 | 杭州新世宝电动转向系统有限公司 | Method for quickly adjusting welding voltage of Hall torque sensor magnetic ring in EPS (electric power steering) |
| CN113977038A (en) * | 2021-11-16 | 2022-01-28 | 昆山华恒焊接股份有限公司 | Welding control circuit, welding gun and welding equipment |
| CN113977038B (en) * | 2021-11-16 | 2023-09-26 | 昆山华恒焊接股份有限公司 | Welding control circuit, welding gun and welding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20170627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |