CN2319165Y - Microcomputer controller of capacitor accumulating gap welder - Google Patents
Microcomputer controller of capacitor accumulating gap welder Download PDFInfo
- Publication number
- CN2319165Y CN2319165Y CN 97239777 CN97239777U CN2319165Y CN 2319165 Y CN2319165 Y CN 2319165Y CN 97239777 CN97239777 CN 97239777 CN 97239777 U CN97239777 U CN 97239777U CN 2319165 Y CN2319165 Y CN 2319165Y
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- circuit
- microprocessor
- controllable silicon
- capacitor
- welding
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- Arc Welding Control (AREA)
Abstract
The utility model relates to a microcomputer controller for capacitor accumulating seam welding machine, which is used for welding. The utility model has the technical proposal that a microprocessor is adopted as the center, and the main power switch controllable silicon is connected with the microprocessor by an interface. With the control of the microprocessor, a clock controls charging controllable silicon and discharging controllable silicon to alternately and continuously conduct; thus, the alternate and continuous charging and discharging to a transformer of a capacitance C are formed. The speed of an electrode wheel which is corresponding to the process is selected; thus, the welding spot overlaps, and high quality of continuous weld is obtained. An A/DU circuit, an A/DI circuit, a T measuring circuit, and an alarm circuit are connected to the microprocessor, to achieve the process parameter monitoring, testing, displaying and diagnosing functions in the welding process. The utility model has the advantages that the accurate control of the process and the energy of a welder is achieved; the welding process parameter can be stored; the relevant parameter can be displayed; the range of the technology application is enlarged. The utility model plays an important role in improving the welding quality and tracking the management.
Description
The utility model relates to a kind of capacitor-discharge seam welder microcomputerized controller that can be used for welding, and forms with microprocessor, main power switch and capacitor-discharge device.
At present, in the weldering of energy storage seam, be used to control the controller of welding process, be mainly the electron tube-tubular type of igniting controller.As homemade QZ-170 type capacitor-discharge seam welder controller, because controller itself adopts the electron tube discrete circuit, so complex circuit designs, control accuracy is poor, can not realize the automatic control of welding process high-quality requirement, and maintenance difficult.In addition,, health is caused certain harm, be unfavorable for user of service's health and environmental requirement owing to have mercury in the controller ignitron device.
For fear of the deficiencies in the prior art part, the utility model proposes a kind of master controller and adopt microprocessor, main power switch to adopt silicon controlled capacitor-discharge seam welder microcomputerized controller.Can accurately control charging voltage and welding current pulse frequency, make it suitably cooperate, reach solder joint and overlap, obtain high-quality continuous weld with the wheel electrode rotating speed.
Technological thought of the present utility model is: with microprocessor (6) is core, controls main power switch (10), (11), it is characterized in that: master controller is microprocessor (6), by the action of start-up circuit joining with it (2) control microprocessor (6).Main power switch (10), (11) are controllable silicon, and controllable silicon SCR 1 (10), SCR2 (11) connect with microprocessor (6) through interface (9).The clock (1) that connects with microprocessor (6), the amplitude of welding current waveform can be controlled in the triggering angle of control charging controllable silicon SCR 1 (10), SCR2 (11); Connect electric capacity (13) and link with transformer (12) between controllable silicon (10), (11), when SCR1 (10) conducting, electric current is stored up energy to capacitor C (13) charging.At SCR2 (11) afterwards, connect the transformer (12) of seam welder, when SCR2 (11) conducting, the energy of storing up on capacitor C (13) discharges to transformer (12), the secondary weld pulse that promptly induces a time of welding transformer (12) forms a solder joint between weldment.Under the control of microprocessor (6), clock (1) can be controlled charging controllable silicon SCR 1 (10) and discharging thyristor SCR2 (11) replaces continuous conducting by regulating, formation replaces continuous electric current and charges to capacitor C (13), energy on the capacitor C (13) discharges to transformer (12), the secondary weld pulse that promptly induces a time of welding transformer (12), the continuous process of a solder joint of formation between weldment.The wheel electrode rotating speed of selecting process therewith to adapt just can make solder joint overlap, and obtains high-quality continuous weld.
For realizing the procedure parameter test and the diagnostic function of welding process, go up connection A/DU (3), A/DI (4) at microcontroller (6), survey T circuit (5) and warning circuit (7).A/DU (3) is used to monitor line voltage, A/DI (4) is used to monitor the welding current waveform peak value, survey T circuit (5) and be used to measure the welding current time to peak and the angle of flow, warning circuit (7) is to the abnormal state of welding process, monitored as faults such as overvoltage, out of control, no powers, met undesired instant alarming.
Description of drawings:
Fig. 1: theory diagram 1-clock 2-starts 3-A/DU 4-A/D I 5-and surveys T circuit 6-microprocessor 7-warning circuit 8-display parameters unit 9-interface 10,11-controllable silicon 12-seam welder transformer 13-capacitor
The utility model will be in conjunction with the embodiments (accompanying drawing) be further described:
Clock (1) is selected CTC for use, start-up circuit (2) selected on-off circuit, A/DU (3) selects 0809 for use, A/DI (4) selects 0809 for use, survey T circuit (5) and select CTC for use, microprocessor (6) is selected Z80 for use, display unit (8) is selected light-emitting diode display for use, interface (9) is selected PIO for use, controllable silicon SCR 1 (10), SCR2 (11) selected parameter I=50A, V=1200V, seam welder (12) is selected QZ-170 for use, and warning circuit (7) is selected sound light alarming circuit for use, capacitor C (13) is selected the capacitor group for use, and capacity is that 10 μ f～340 μ f are adjustable.
It is core that the utility model connects with microprocessor (6), and joining with it have clock (1), start-up circuit (2), A/DU (3), A/DI (4), survey T circuit (5), warning circuit (7), display unit (8) and an interface (9).Controllable silicon SCR 1 (10), SCR2 (11) connect with microprocessor (6) through interface (9).Between controllable silicon (10), (11), connect capacitor C (13), at SCR2 (11) afterwards, connect the transformer (12) of seam welder.
When start-up circuit (2) work, under the control of microprocessor (6), clock (1) can be controlled charging controllable silicon SCR 1 (10) and discharging thyristor SCR2 (11) replaces continuous conducting by regulating, and formation replaces continuous electric current makes capacitor C (13) form charging, discharge process.When SCR1 (10) conducting, electric current is stored up energy to capacitor C (13) charging; When SCR2 (11) conducting, the energy of storing up on capacitor C (13) discharges to transformer (12), and the secondary weld pulse that promptly induces a time of welding transformer (12) forms a solder joint between weldment.By regulating the clock (1) that connects with microprocessor (6), the triggering angle of control charging controllable silicon SCR 1 (10), SCR2 (11) can be controlled the amplitude of welding current waveform and form the continuous process of solder joint one by one between weldment.The wheel electrode rotating speed of selecting process therewith to adapt just can make solder joint overlap, and obtains high-quality continuous weld.
Go up procedure parameter test and the diagnostic function that connection A/DU (3), A/DI (4), survey T circuit (5) and warning circuit (7) can be realized welding process at microprocessor (6).A/DU (3) is used to monitor line voltage, A/DI (4) is used to monitor the welding current waveform peak value, survey T circuit (5) and be used to measure the welding current time to peak and the angle of flow, warning circuit (7) is to the abnormal state of welding process, monitored as faults such as overvoltage, out of control, no powers, met undesired instant alarming.
Technical indicator of the present utility model is:
Operating voltage: single-phase voltage 380V ± 15%, 50HZ;
Charging controllable silicon phase shift range: 90 °～135 °, regulate 0.45 ° of step-length;
The welding current pulse frequency: 1～25 pulse/sec, regulate step-length 1 pulse/sec, error is zero.
The utility model advantage compared to existing technology is:
1, with controllable silicon as rectifier cell, with microprocessor as control core, with the front end circuit that adopts integrated circuit Cooperate, realized the process of welding machine and the accurate control of energy. Thoroughly mercury is strong to human body in the original controller ignitron of elimination The harm of health. And the complex circuit designs, the control accuracy that have overcome electron tube discrete circuit itself are poor, practical function reaches less The shortcomings such as maintenance difficult;
2, can store welding process parameter, show relevant parameter, the welding quality tracing management plays an important role;
3, enlarged welding machine process application scope, standard parameter combinations matches expanded range has outstanding role to improving the product welding quality.
Claims (3)
1, a kind of capacitor-discharge seam welder microcomputerized controller, with master controller (6) is core, connect main power switch (10), (11), it is characterized in that: master controller (6) is a microprocessor, and it is joining start-up circuit (2), clock (1) and interface (9); Main power switch (10), (11) are controllable silicon, and controllable silicon SCR 1 (10), SCR2 (11) connect with microprocessor (6) through interface (9); Shunt capacitance C (13) between controllable silicon (10), (11) at SCR2 (11) afterwards, connects the transformer (12) of seam welder.
2, capacitor-discharge seam welder microcomputerized controller as claimed in claim 1 is characterized in that: go up the warning circuit (7) that connection is used to monitor line voltage A/DU (3), is used to monitor welding current waveform peak A/DI (4), is used to measure welding current time to peak and conducting angular measurement T circuit (5) and is used to monitor the welding process abnormal state at microprocessor (6).
3, capacitor-discharge seam welder microcomputerized controller as claimed in claim 1 or 2, it is characterized in that: clock (1) is selected CTC for use, start-up circuit (2) selected on-off circuit, A/DU (3) selects 0809 for use, A/DI (4) selects 0809 for use, survey T circuit (5) and select CTC for use, microcontroller (6) is selected Z80 for use, display unit (8) is selected light-emitting diode display for use, and interface (9) is selected PIO for use, controllable silicon SCR 1 (10), SCR2 (11) selected parameter I=50A, V=1200V, seam welder (12) is selected QZ-170 for use, warning circuit (7) is selected sound light alarming circuit for use, and capacitor C (13) is selected the capacitor group for use, and capacity is that 10 μ f～340 μ f are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239777 CN2319165Y (en) | 1997-07-14 | 1997-07-14 | Microcomputer controller of capacitor accumulating gap welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239777 CN2319165Y (en) | 1997-07-14 | 1997-07-14 | Microcomputer controller of capacitor accumulating gap welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2319165Y true CN2319165Y (en) | 1999-05-19 |
Family
ID=33949689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97239777 Expired - Fee Related CN2319165Y (en) | 1997-07-14 | 1997-07-14 | Microcomputer controller of capacitor accumulating gap welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2319165Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386107B (en) * | 2008-06-17 | 2011-04-06 | 广州（从化）亨龙机电制造实业有限公司 | Capacitor storage welder and use method thereof |
| CN102126080A (en) * | 2011-01-24 | 2011-07-20 | 中国第一汽车集团公司 | Control structure for quality monitoring system in spot welding |
-
1997
- 1997-07-14 CN CN 97239777 patent/CN2319165Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386107B (en) * | 2008-06-17 | 2011-04-06 | 广州（从化）亨龙机电制造实业有限公司 | Capacitor storage welder and use method thereof |
| CN102126080A (en) * | 2011-01-24 | 2011-07-20 | 中国第一汽车集团公司 | Control structure for quality monitoring system in spot welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |