CN109116790A - A kind of electric arc spraying electromechanical source integrated control system - Google Patents
A kind of electric arc spraying electromechanical source integrated control system Download PDFInfo
- Publication number
- CN109116790A CN109116790A CN201811283116.5A CN201811283116A CN109116790A CN 109116790 A CN109116790 A CN 109116790A CN 201811283116 A CN201811283116 A CN 201811283116A CN 109116790 A CN109116790 A CN 109116790A
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- CN
- China
- Prior art keywords
- circuit
- arc spraying
- electric arc
- digital signal
- signal processor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/131—Wire arc spraying
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Coating By Spraying Or Casting (AREA)
- Nozzles (AREA)
Abstract
A kind of electric arc spraying electromechanical source integrated control system, belongs to field of surface technology.The present invention includes: power transformer, SCR rectification circuit, signal conditioning circuit, digital signal processor, Hall current sensor, Hall voltage sensor, two photoelectric isolating circuits, H bridge wire feeding circuit, single-chip microcontroller, signal conditioning circuit output signal inputs digital signal processor, digital signal processor exports start pulse signal by signal processing and operation, start pulse signal inputs photoelectric isolating circuit, photoelectric isolating circuit output signal controls the SCR rectification circuit being connected with power transformer output end, digital signal processor output signal inputs photoelectric isolating circuit.Present invention all-digitized demodulator electrical arc spraying power source substitutes simulation control or analog- and digital- mixing control electrical arc spraying power source and realizes informationization, the Digital Control of spraying source to improve the stability, craftsmanship, reliability, flexibility of electrical arc spraying power source.
Description
Technical field
The present invention relates to a kind of control systems in Surface-micromachining process field, specifically, being a kind of electric fox spraying
Power supply numerical control system.
Background technique
Electric arc spraying be it is a kind of generate electric arc between wire, by high-speed gas atomization after wire high temperature melting, and
The particle of atomization is sprayed to the technology of metal surface with very high speed.Electric arc spraying is high-efficient with its, low energy consumption, production effect
Rate is high, at low cost, and anchoring strength of coating height and excellent coating performance become a kind of spraying skill for most striving power in spraying unexpectedly
Art.Electrical arc spraying power source is one of the key factor for guaranteeing coating quality.Currently, common electrical arc spraying power source is mainly that silicon is whole
Flow type power supply and silicon controlled rectifier power control circuit use analog circuit or single-chip microcontroller control mode.
Summary of the invention
It is an object of the present invention to overcome the shortcomings of the prior art and provide a kind of electrical arc spraying power source is digital control
System makes it with the substitution simulation control of all-digitized demodulator electrical arc spraying power source or analog- and digital- mixing control electric arc spraying electricity
Informationization, the number of spraying source are realized to improve the stability, craftsmanship, reliability, flexibility of electrical arc spraying power source in source
Change control.
The present invention is achieved by the following technical solutions, the present invention include: power transformer, SCR rectification circuit,
Signal conditioning circuit, digital signal processor, egg that current sensor, Hall voltage sensor, two photoelectric isolating circuits, H
Bridge wire feeding circuit, single-chip microcontroller, signal conditioning circuit output signal input digital signal processor, and digital signal processor passes through letter
Number processing and operation export start pulse signal, start pulse signal input photoelectric isolating circuit, photoelectric isolating circuit output letter
Number SCR rectification circuit that is connected with power transformer output end of control, digital signal processor output signal input photoelectricity every
From circuit, photoelectric isolating circuit output signal controls the H bridge wire feeding circuit of electric arc spraying, and System for Electric Arc Spraying Current and voltage pass through respectively
Hall current sensor and Hall voltage sensor detection, Cui Er current sensor and Hall voltage sensor detection signal input
Digital signal processor carries out feedback control by the signal processing of digital signal processor, and serial port of single chip computer and number are believed
The connection of number processor serial port carries out bidirectional data communication.
The signal conditioning circuit detects voltage ripple of power network signal, signal conditioning circuit output signal input number
Signal processor, it is defeated with power transformer by photoelectric isolating circuit control through signal processing and operation output start pulse signal
The connected SCR rectification circuit of outlet.
The Hall voltage sensor, detection electric arc spraying voltage input digital signal processor feedback control spraying electricity
Hall voltage sensor described in the external characteristics in source, detection System for Electric Arc Spraying Current inputs digital signal processor, through signal processing
With the adjustable pulse signal of operation output pulse width by the wire feed rate of photoelectric isolating circuit control bridge wire feeding circuit to
Improve the stability of spraying current.
The single-chip microcontroller, controls liquid crystal display and keyboard, the setting of electric arc spraying parameter input liquid crystal by keyboard
Show, digital signal processor exchanges the setting value that data obtain electric arc spraying parameter by serial port with single chip communication.
In arc spray process, Hall voltage sensor detects electric arc spraying voltage, through digital signal processor on piece
D/A converter module is converted into digital quantity, passes through the external characteristics of signal processing and operation feedback control spraying source.Hall current
Sensor detects System for Electric Arc Spraying Current, and the D/A converter module through digital signal processor on piece is converted into digital quantity, passes through letter
Number processing and operation by digital signal processor on piece the adjustable pulse signal of PWM module output pulse width, through photoelectricity every
Wire feed rate from circuit control H bridge wire feeding circuit is to improve the stability of spraying current.Silicon-controlled phase-shifting trigger is by counting
The pulse of the PWM module output of word signal processor on piece controls phase shifting angle size through photoelectric isolating circuit.Liquid crystal display and
Keyboard is controlled as the man-machine interface of full-digital control spraying source by single-chip microcontroller, digital signal processor by serial port with
Single-chip microcontroller carries out the setting value that communication handshake data obtains electric arc spraying parameter.The electrical arc spraying power source method of all-digitized demodulator makes
From " hard " to " soft ", " simulation " uses high integration digital signal to the transformation present invention of " number " for the control of electrical arc spraying power source
Processor and double CPU of microcomputer as control core, digital signal processor to input signal carry out Digital Signal Processing to
Output signal controls SCR rectification circuit, realizes spraying electric arc external characteristics control.The liquid of single-chip microcontroller control management spraying source
The human-computer interface systems such as crystal display, keyboard.Digital signal processor carries out the biography of data by serial port and microcontroller communication
It passs and exchanges.
This system has the characteristics that highly integrated control circuit, circuit structure modularization, parameter setting and display hommization are real
Full-digital control is showed.
Detailed description of the invention
Fig. 1 is structure of the invention block diagram.
Specific embodiment
As shown in Figure 1, the present invention includes: power transformer, SCR rectification circuit, signal conditioning circuit, digital signal
Processor, Hall current sensor, Hall voltage sensor, two photoelectric isolating circuits, H bridge wire feeding circuit, single-chip microcontroller, signal
Conditioning circuit output signal inputs digital signal processor, and digital signal processor passes through signal processing and operation output triggering arteries and veins
Signal is rushed, start pulse signal inputs photoelectric isolating circuit, and the control of photoelectric isolating circuit output signal is exported with power transformer
The connected SCR rectification circuit in end, digital signal processor output signal input photoelectric isolating circuit, and photoelectric isolating circuit is defeated
The H bridge wire feeding circuit of signal control electric arc spraying out, System for Electric Arc Spraying Current and voltage are respectively through Hall current sensor and Cui Er
Voltage sensor detection, Cui Er current sensor and your voltage sensor detection signal input digital signal processor, lead to
The signal processing for crossing digital signal processor carries out feedback control, serial port of single chip computer and digital signal processor serial port
Connection carries out bidirectional data communication.
Claims (5)
1. a kind of electric arc spraying electromechanical source integrated control system, comprising: power transformer, SCR rectification circuit Hall current pass
Sensor, Hall voltage sensor, two photoelectric isolating circuits, single-chip microcontrollers, which is characterized in that further include: digital signal processor,
Signal conditioning circuit, H bridge wire feeding circuit, signal conditioning circuit output signal input digital signal processor, Digital Signal Processing
Device exports start pulse signal by signal processing and operation, and start pulse signal inputs photoelectric isolating circuit, Phototube Coupling electricity
Road output signal controls the SCR rectification circuit being connected with power transformer output end, and digital signal processor output signal is defeated
Enter photoelectric isolating circuit, photoelectric isolating circuit output signal controls the H bridge wire feeding circuit of electric arc spraying, System for Electric Arc Spraying Current and electricity
Pressure is detected through Hall current sensor and Hall voltage sensor respectively, Hall current sensor and Hall voltage sensor detection
Signal inputs digital signal processor, carries out feedback control, serial port of single chip computer by the signal processing of digital signal processor
It is connect with digital signal processor serial port and carries out bidirectional data communication.
2. a kind of electric arc spraying electromechanical source integrated control system according to claim 1, characterized in that the signal tune
Circuit is managed, detects voltage ripple of power network signal, signal conditioning circuit output signal inputs digital signal processor, through signal processing
Start pulse signal is exported with operation, and the silicon controlled rectifier being connected with power transformer output end is controlled by photoelectric isolating circuit
Circuit.
3. a kind of electric arc spraying electromechanical source integrated control system according to claim 1, characterized in that the Hall electricity
Pressure sensor detects the external characteristics of electric arc spraying voltage input digital signal processor feedback control spraying source.
4. a kind of electric arc spraying electromechanical source integrated control system according to claim 3, characterized in that the Hall electricity
Sensor, detection System for Electric Arc Spraying Current inputs digital signal processor, adjustable through signal processing and operation output pulse width
Pulse signal improves the stability of spraying current by the wire feed rate of photoelectric isolating circuit control bridge wire feeding circuit.
5. a kind of electric arc spraying electromechanical source integrated control system according to claim 1, characterized in that the monolithic
Machine controls liquid crystal display and keyboard, and the setting of electric arc spraying parameter is by keyboard input, liquid crystal display, digital signal processor
The setting value of data acquisition electric arc spraying parameter is exchanged with single chip communication by serial port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283116.5A CN109116790A (en) | 2018-10-31 | 2018-10-31 | A kind of electric arc spraying electromechanical source integrated control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283116.5A CN109116790A (en) | 2018-10-31 | 2018-10-31 | A kind of electric arc spraying electromechanical source integrated control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109116790A true CN109116790A (en) | 2019-01-01 |
Family
ID=64854364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811283116.5A Pending CN109116790A (en) | 2018-10-31 | 2018-10-31 | A kind of electric arc spraying electromechanical source integrated control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109116790A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69121712T2 (en) * | 1990-05-30 | 1997-03-20 | Allen Bradley Co | GRAPHIC, PROGRAMMABLE INTERFACE FOR MACHINE / PROCESS CONTROL UNITS |
| CN1348845A (en) * | 2001-11-29 | 2002-05-15 | 上海交通大学 | Digital signal processor control method of gas metal-arc welder |
| CN1733366A (en) * | 2005-07-21 | 2006-02-15 | 上海交通大学 | Digital control system of electrical arc spraying power source |
| CN102211239A (en) * | 2011-04-15 | 2011-10-12 | 南通三九焊接机器制造有限公司 | Digital signal processor (DSP)-based digital inversion welding power supply control system |
| CN202344104U (en) * | 2011-09-29 | 2012-07-25 | 熊猫电子集团有限公司 | Multifunctional digital welding machine |
-
2018
- 2018-10-31 CN CN201811283116.5A patent/CN109116790A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69121712T2 (en) * | 1990-05-30 | 1997-03-20 | Allen Bradley Co | GRAPHIC, PROGRAMMABLE INTERFACE FOR MACHINE / PROCESS CONTROL UNITS |
| CN1348845A (en) * | 2001-11-29 | 2002-05-15 | 上海交通大学 | Digital signal processor control method of gas metal-arc welder |
| CN1733366A (en) * | 2005-07-21 | 2006-02-15 | 上海交通大学 | Digital control system of electrical arc spraying power source |
| CN102211239A (en) * | 2011-04-15 | 2011-10-12 | 南通三九焊接机器制造有限公司 | Digital signal processor (DSP)-based digital inversion welding power supply control system |
| CN202344104U (en) * | 2011-09-29 | 2012-07-25 | 熊猫电子集团有限公司 | Multifunctional digital welding machine |
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Application publication date: 20190101 |