CN106513934A - High-frequency high-voltage arc ignition circuit - Google Patents
High-frequency high-voltage arc ignition circuit Download PDFInfo
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- CN106513934A CN106513934A CN201611247457.8A CN201611247457A CN106513934A CN 106513934 A CN106513934 A CN 106513934A CN 201611247457 A CN201611247457 A CN 201611247457A CN 106513934 A CN106513934 A CN 106513934A
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- diode
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
- B23K9/067—Starting the arc
- B23K9/0672—Starting the arc without direct contact between electrodes
- B23K9/0673—Ionisation of the arc gap by means of a tension with a step front (pulses or high frequency tensions)
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
The invention discloses a high-frequency high-voltage arc ignition circuit, and relates to the technical field of arc ignition circuits. The two ends of a secondary side of a main transformer are in series connected with a fifth diode and a sixth diode; a series circuit which is composed of a first bypass capacitor and a second bypass capacitor, a series circuit, a piezoresistor, a ninth resistor and a tenth capacitor are separately connected between a negative electrode end of the fifth diode and a natural point of the main transformer; the series circuit consists of an eleventh diode, an eleventh resistor and an eleventh capacitor which are connected in parallel; the positive electrode end of the fifth diode is sequentially connected with a switch and a second capacitor until a dotted terminal of a primary side of a high-frequency boosting transformer; and a dotted terminal and a non-dotted terminal of the secondary side of the high-frequency boosting transformer are sequentially connected with a second resistor and a high-frequency arc igniter until the dotted terminal. The high-frequency high-voltage arc ignition circuit is high in arc ignition success rate, is strong in anti-jamming capability, is low in fault rate, and is stable and reliable.
Description
Technical field
The present invention relates to arc ignition circuit technical field, and in particular to a kind of high-frequency and high-voltage arc ignition circuit.
Background technology
All with high-frequency arc ignition circuit on argon arc welding and cutting machine on existing market, but the maximum defect of arc ignition circuit is exactly
Starting the arc success rate is not high, poor anti-interference and fault rate is higher, at the same it is also higher in terms of also attaching keep-alive circuit, cost, commonly use
High-frequency arc ignition circuit as shown in figure 1, by transformer T2, the 5th diode D5, the 6th diode D6, the second inductance L2, second
Ten filter capacitor C20, high pressure coupling transformer T4 constitute the output par, c of inverter frequency changer circuit；Arc ignition portion power supply by
220V power supplys are directly inputted by switching SW1 to high-frequency step-up transformer T1, the 8th diode D8, the 9th diode D9, resistance
RT3 provides keep-alive voltage；High-tension circuit is by the 3rd inductance L3, the 13rd resistance the 14th electric capacity of R13 and the 11st electric capacity C11-
C14, the 14th diode D14 of the 11st diode D11-, the 11st resistance R11 and the 15th electric capacity C15, the 16th electric capacity
C16 and electric organ FD constitutes charge-discharge circuit, and Jing high pressure coupling transformer T4 are coupled in main circuit, by welding gun TH to welding
The material WP electric discharge starting the arc.
As can be seen that prior art construction is complicated, directly by 220V, volume of transformer is larger for power supply, and starting the arc success rate is not
Height, need again to provide an arc maintenance with high voltage making up, so cause transformer need to provide one group of arc maintenance around
Group so that transformer it is more powerful, another high pressure winding require in terms of electric insulation it is very high, so causing this transformer
Cost it is also very high, high-tension circuit uses the mode of boosting multiplication of voltage again, the pressure of device is had high demands, because being power frequency
The voltage of 50Hz carries out multiplication of voltage, low with the frequency of oscillation that discharge circuit is produced, therefore can puncture sometimes not in Igniting pattern
Air and occur cannot the starting the arc phenomenon, the device of voltage-multiplying circuit is more, and crash rate is also higher, adds and increased arc maintenance electricity
Road, sometimes because the voltage of high-tension circuit is higher, only the second inductance L2 and the 20th is filtered again for the absorption of output and filter capacitor
Ripple electric capacity C20, the voltage of high-pressure section can seal in keep-alive circuit and main circuit so as to affect the life-span of device, produce matter to product
Amount hidden danger.
In order to solve the above problems, a kind of new high-frequency and high-voltage arc ignition circuit or necessary is designed.
The content of the invention
For not enough present on prior art, the present invention seeks to be to provide a kind of high-frequency and high-voltage arc ignition circuit, tie
Structure is simple, reasonable in design, and starting the arc success rate is high, and strong antijamming capability, fault rate are low, reliable and stable, practical, it is easy to promote
Use.
To achieve these goals, the present invention is by the following technical solutions realizing：A kind of high-frequency and high-voltage striking electricity
Road, including it is high-frequency step-up transformer, main transformer, high-frequency coupling transformer, switch, hf arc starter, the first electric capacity, second electric
Appearance, the 5th electric capacity, the 6th electric capacity, the tenth electric capacity, the 11st electric capacity, the first shunt capacitance, the second shunt capacitance, first resistor,
Second resistance, the 5th resistance, the 6th resistance, the 9th resistance, the 11st resistance, piezo-resistance, the 5th diode, the six or two pole
Pipe, the 11st diode；The primary side of main transformer accesses 310V alternating currents, and the secondary side two of main transformer is terminated with the five or two
The series circuit of pole pipe, the 6th diode, the 5th diode two ends are simultaneously connected to the series circuit of the 5th resistance and the 5th electric capacity, and
Six diode two ends are simultaneously connected to the series circuit of the 6th resistance and the 6th electric capacity, negative pole end and the main transformer of the 5th diode
The 11st diode that is connected to the series circuit of the first shunt capacitance and the second shunt capacitance between neutral point respectively and connects and the
The series circuit of 11 resistance and the 11st electric capacity composition, piezo-resistance, the 9th resistance, the tenth electric capacity, the 5th diode is just
Switch, the Same Name of Ends of the second electric capacity tremendously high frequency step-up transformer primary side, high-frequency step-up transformer primary side are sequentially connected extremely
Non-same polarity connect the neutral point of first resistor to main transformer, it is the Same Name of Ends of high-frequency step-up transformer secondary side, non-of the same name
End connects the first electric capacity, the primary side of second resistance tremendously high frequency coupling transformer respectively, high-frequency step-up transformer secondary side it is non-
Same Name of Ends is also sequentially connected second resistance, hf arc starter to Same Name of Ends, and the secondary side connection the tenth of high-frequency coupling transformer is electric
Hold to voltage output end.
Beneficial effects of the present invention：(1) starting the arc success rate is high；
(2) strong antijamming capability；
(3) fault rate is low；
(4) circuit connection is easily understood, convenient to produce, and components and parts are few, reduce cost, improve production efficiency；
(5) simple structure, is not take up space, it is adaptable to which numerous types, applicability are wider.
Description of the drawings
With reference to the accompanying drawings and detailed description describing the present invention in detail；
Circuit diagrams of the Fig. 1 for background of invention；
Fig. 2 is the circuit diagram of the present invention.
Specific embodiment
Technological means, creation characteristic, reached purpose and effect to make present invention realization is easy to understand, with reference to
Specific embodiment, is expanded on further the present invention.
With reference to Fig. 1-2, this specific embodiment is employed the following technical solutions：A kind of high-frequency and high-voltage arc ignition circuit, including height
Frequency step-up transformer T1, main transformer T3, high-frequency coupling transformer T4, switch SW1, hf arc starter FDQ, the first electric capacity C1,
Second electric capacity C2, the 5th electric capacity C5, the 6th electric capacity C6, the tenth electric capacity C10, the 11st electric capacity C11, the first shunt capacitance CY1,
It is two shunt capacitances CY2, first resistor R1, second resistance R2, the 5th resistance R5, the 6th resistance R6, the 9th resistance R9, the 11st electric
Resistance R11, piezo-resistance YR10, the 5th diode D5, the 6th diode D6, the 11st diode D11；Main transformer T3 is once
Side joint enters 310V alternating currents, and the secondary side two of main transformer T3 is terminated with the 5th diode D5, the series electrical of the 6th diode D6
Road, the 5th diode D5 two ends are simultaneously connected to the series circuit of the 5th resistance R5 and the 5th electric capacity C5, and the 6th diode D6 two ends are simultaneously
It is connected to the series circuit of the 6th resistance R6 and the 6th electric capacity C6, the negative pole end of the 5th diode D5 and the neutral point of main transformer T3
Between the 11st diode D11 that is connected to the series circuit of the first shunt capacitance CY1 and the second shunt capacitance CY2 respectively and connects
Series circuit, piezo-resistance YR10 with the 11st resistance R11 and the 11st electric capacity C11 compositions, the 9th resistance R9, the tenth electric capacity
The positive terminal of C10, the 5th diode D5 is sequentially connected switch SW1, the second electric capacity C2 tremendously high frequency step-up transformer T1 primary side
Same Name of Ends, the non-same polarity of high-frequency step-up transformer T1 primary sides connect the neutral point of first resistor R1 to main transformer T3, high
The Same Name of Ends of frequency step-up transformer T1 secondary sides, non-same polarity connect the first electric capacity C1, the coupling of second resistance R2 tremendously high frequency respectively
The primary side of transformer T4, the non-same polarity of high-frequency step-up transformer T1 secondary sides are also sequentially connected second resistance R2, high frequency and draw
Arc device FDQ connects the tenth electric capacity C10 to voltage output end to Same Name of Ends, the secondary side of high-frequency coupling transformer T4.
Traditional high-frequency arc ignition circuit has been carried out comprehensive design by this specific embodiment, is changed original design and is thought
Road and principle, by various experiment tests and theory analysis, high-voltage arc ignition circuit input voltage is using the main transformer pressure in main circuit
Device T3 secondary one of which winding powers, take damage and interference that one of winding can reduce whole circuit, by opening
The second electric capacity C2 of SW1, Jing and first resistor resistance R1 current limlitings are closed, to high-frequency step-up transformer T1, then Jing second resistance R2 current limlitings
And first electric capacity C1 discharge and recharges and hf arc starter FDQ, high-frequency and high-voltage coupling transformer T4 be coupled to output circuit, high-frequency and high-voltage
Loop is constituted to the welding material WP electric discharge starting the arc, the tenth electric capacity C10 of Jing electric discharges and the 9th resistance R9 by welding gun TH, high frequency is realized
The high pressure starting the arc, it is contemplated that impact of the high frequency to main circuit, piezo-resistance YR10 is increased in the structure of available circuit to be carried out
Pressure is protected, and the 11st resistance R11, the 11st electric capacity C11, the 11st diode D11 enter the absorption and protection of horizontal high voltage spike,
9th resistance R9, the 11st resistance R11, the 11st electric capacity C11, the 11st diode D11, piezo-resistance YR10 rationally take
Value, can prevent impact of the high-frequency high-voltage signal to main circuit, improve the stability of power supply, the first shunt capacitance CY1, by second
Road electric capacity CY2 then further increases the effect of absorption and prevents the signal of high frequency to the interference of control system.
The starting the arc mode of this specific embodiment solves power frequency 220V/50Hz voltage using high-frequency signal as emphasis
After input, the low success rate of problem of the starting the arc, in actual techniques test, the high-frequency and high-voltage that high-frequency signal is produced more collects
In, the frequency of the starting the arc is 800 times of power frequency, and reaction speed is very fast, so as to greatly enhance the success rate of the starting the arc, tool
There is wide market application foreground.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (1)
1. a kind of high-frequency and high-voltage arc ignition circuit, it is characterised in that including high-frequency step-up transformer (T1), main transformer (T3), high
Frequency coupling transformer (T4), switch (SW1), hf arc starter (FDQ), the first electric capacity (C1), the second electric capacity (C2), the 5th electric capacity
(C5), the 6th electric capacity (C6), the tenth electric capacity (C10), the 11st electric capacity (C11), the first shunt capacitance (CY1), the second bypass electricity
Hold (CY2), first resistor (R1), second resistance (R2), the 5th resistance (R5), the 6th resistance (R6), the 9th resistance (R9), the tenth
One resistance (R11), piezo-resistance (YR10), the 5th diode (D5), the 6th diode (D6), the 11st diode (D11)；
The primary side of main transformer (T3) accesses 310V alternating currents, and the secondary side two of main transformer (T3) is terminated with the 5th diode
(D5), the series circuit of the 6th diode (D6), the 5th diode (D5) two ends are simultaneously connected to the 5th resistance (R5) and the 5th electric capacity
(C5) series circuit, the 6th diode (D6) two ends are simultaneously connected to the series circuit of the 6th resistance (R6) and the 6th electric capacity (C6),
It is connected to the first shunt capacitance (CY1) and the between the neutral point of the negative pole end and main transformer (T3) of the 5th diode (D5) respectively
The series circuit of two shunt capacitances (CY2) the 11st diode (D11) that connects and the 11st resistance (R11) are electric with the 11st
Hold (C11) constitute series circuit, piezo-resistance (YR10), the 9th resistance (R9), the tenth electric capacity (C10)；
The positive terminal of the 5th diode (D5) is sequentially connected switch (SW1), the second electric capacity (C2) tremendously high frequency step-up transformer (T1)
The Same Name of Ends of primary side, non-same polarity connection first resistor (R1) of high-frequency step-up transformer (T1) primary side is to main transformer
(T3) neutral point, the Same Name of Ends of high-frequency step-up transformer (T1) secondary side, non-same polarity connect respectively the first electric capacity (C1),
The primary side of two resistance (R2) tremendously high frequency coupling transformer (T4), the non-same polarity of high-frequency step-up transformer (T1) secondary side also according to
Secondary connection second resistance (R2), hf arc starter (FDQ) to Same Name of Ends, the secondary side connection the tenth of high-frequency coupling transformer (T4)
Electric capacity (C10) is to voltage output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247457.8A CN106513934A (en) | 2016-12-29 | 2016-12-29 | High-frequency high-voltage arc ignition circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247457.8A CN106513934A (en) | 2016-12-29 | 2016-12-29 | High-frequency high-voltage arc ignition circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106513934A true CN106513934A (en) | 2017-03-22 |
Family
ID=58339281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611247457.8A Pending CN106513934A (en) | 2016-12-29 | 2016-12-29 | High-frequency high-voltage arc ignition circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106513934A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181154A (en) * | 2019-05-30 | 2019-08-30 | 上海米勒焊接设备有限公司 | A kind of control circuit of plasma cutting machine striking line anti-High-frequency Interference automatically |
| CN111250819A (en) * | 2020-02-15 | 2020-06-09 | 盾构及掘进技术国家重点实验室 | Method for welding cutter head and cutter of shield machine in high-pressure environment |
| CN111299756A (en) * | 2020-02-15 | 2020-06-19 | 盾构及掘进技术国家重点实验室 | High-pressure environment self-adaptive arc striking system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181154A (en) * | 2019-05-30 | 2019-08-30 | 上海米勒焊接设备有限公司 | A kind of control circuit of plasma cutting machine striking line anti-High-frequency Interference automatically |
| CN110181154B (en) * | 2019-05-30 | 2024-03-22 | 上海米勒焊接设备有限公司 | Control circuit for automatically resisting high-frequency interference of arc line of plasma cutting machine |
| CN111250819A (en) * | 2020-02-15 | 2020-06-09 | 盾构及掘进技术国家重点实验室 | Method for welding cutter head and cutter of shield machine in high-pressure environment |
| CN111299756A (en) * | 2020-02-15 | 2020-06-19 | 盾构及掘进技术国家重点实验室 | High-pressure environment self-adaptive arc striking system |
| CN111250819B (en) * | 2020-02-15 | 2021-08-13 | 盾构及掘进技术国家重点实验室 | Method for welding cutter head and cutter of shield machine in high-pressure environment |
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Address after: 528437 room 203-210, floor 1 and floor 3, building B, No. 38, Yanjiang East Fourth Road, Torch Development Zone, Zhongshan City, Guangdong Province Applicant after: Guangdong Lianyang Technology Co., Ltd Address before: West Street Wenling city Taizhou City, Zhejiang province 317500 Wu Ao Cun (Wenling Wanshun electromechanical manufacturing limited company) Applicant before: Zhejiang Lianyang Electromechanical Technology Co. Ltd. |