CN101214576A - Power tube driving circuit of inversion direct current submerged arc welding machine - Google Patents
Power tube driving circuit of inversion direct current submerged arc welding machine Download PDFInfo
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- CN101214576A CN101214576A CNA2007101731555A CN200710173155A CN101214576A CN 101214576 A CN101214576 A CN 101214576A CN A2007101731555 A CNA2007101731555 A CN A2007101731555A CN 200710173155 A CN200710173155 A CN 200710173155A CN 101214576 A CN101214576 A CN 101214576A
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- welding machine
- arc welding
- submerged arc
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Abstract
A contravariant DC arc welding machine power tube drive circuit includes a voltage regulator circuit consisting of a second resistance R2, a second capacitance C2 and a first voltage regulator tube D1; a voltage regulator circuit consisting of a first resistance R1, a second voltage regulator tube D2, a third voltage regulator tube D3, a first capacitance C7 and a resistance 11; a thirteenth pin of a unicircuit U3 is connenected with a fourth resistance R4; a ninth pin is connected with a fifth resistance R5; a first audion Q1, a second audion Q2, a fourth resistance R4, and a sixth resistance R 10 form a push-pull high voltage drive circuit; a third audion Q3, a fourth audion Q4 and the fifth resistance R5 form a push-pull high voltage drive circuit. The invention can not only be used for providing the DC arc welding machine power tube with stable working voltage, but also can reduce the cost.
Description
Technical field
The present invention relates to the submerged arc welding machine field, relate in particular to a kind of power tube driving circuit of inversion direct current submerged arc welding machine.
Background technology
In the digital submerged arc welding machine field, the contravariant digital submerged arc welding machine is because its efficient, low consumption, and stable input voltage can be provided, and month come moon application widely.Along with the development of semiconductor integrated circuit, integrated circuit also is applied in the digital submerged arc welding machine more and more, as IGBT (insulated gate bipolar transistor) contravariant arc welding machine, not only performance is higher, and make the volume of welding machine reduce greatly, easy to use, and can reduce cost.But owing to adopt integrated circuit, thus more and more accurate to the requirement of supply voltage, power tube drive circuit especially, the input voltage that aspire for stability, and present power tube drive circuit all can not be accomplished this point.
Summary of the invention
The present invention provides a kind of power tube driving circuit of inversion direct current submerged arc welding machine for solving the unsettled shortcoming of input voltage of power tube drive circuit in the prior art.
A kind of power tube driving circuit of inversion direct current submerged arc welding machine comprises,
Integrated circuit U3 the 13rd pin is connected with the 4th resistance R 4, and the 9th pin is connected with the 5th resistance R 5, is used for high drive and low-voltage driving;
The first triode Q1, the second triode Q2, the 4th resistance R 4, the 6th resistance R 10 constitute the push-pull type high-voltage driving circuit, through signal HVG be connected with loop signal among power rectifier and the high frequency transformer drive circuit figure, the 3rd triode Q3, the 4th triode Q4 and the 5th resistance R 5 formation push-pull type high-voltage driving circuits, be connected with loop signal in power rectifier and the high frequency transformer drive circuit through signal LVG, be used to drive the power tube of direct current submerged arc welding machine.
The present invention can be stabilized in voltage about 15V owing to adopted two mu balanced circuits, and the supply voltage of guaranteed output tube drive circuit is stable, make it compared with prior art, more can provide stable operating voltage, guarantee the working stability of submerged arc welding machine, and can reduce cost.
Description of drawings
Fig. 1 is the circuit diagram of power tube drive circuit.
The specific embodiment
Below in conjunction with a specific embodiment the present invention is done detailed introduction, as shown in Figure 1, a kind of power tube driving circuit of inversion direct current submerged arc welding machine of the present invention, comprise, second resistance R 2, the 3rd resistance R 3, second capacitor C 2 and the first voltage-stabiliser tube D1 constitute mu balanced circuit, voltage is reduced to 15V, and links to each other with dc source+15VHAVT, when just powering on, U3 provides voltage for chip; First resistance R 1, the second voltage-stabiliser tube D2, the 3rd voltage-stabiliser tube D3, first capacitor C 7 and resistance R 11 constitute mu balanced circuits, dc voltage stability at 15V, and linked to each other with dc source, and when just powering on chip power supply; Chip U3 the 13rd pin is connected with the 4th resistance R 4, and the 9th pin is connected with the 5th resistance R 5, and chip U3 exports corresponding pulse drive signal according to the pulse signal PULSE of input at 13 pin and 9 pin, is used for high drive and low-voltage driving; The first triode Q1, the second triode Q2, the 4th resistance R 4, the 6th resistance R 10 constitute the push-pull type high-voltage driving circuits, are connected with loop signal among power rectifier and the high frequency transformer drive circuit figure through signal HVG; The 3rd triode Q3, the 4th triode Q4 and the 5th resistance R 5 constitute the push-pull type high-voltage driving circuits, are connected with loop signal in power rectifier and the high frequency transformer drive circuit through signal LVG.
The present invention has adopted two mu balanced circuits, and first mu balanced circuit can be reduced in voltage about the operating voltage 15V of power tube drive circuit; Second mu balanced circuit can be stabilized in 15V with this voltage, and so just the stabilized input voltage of energy guaranteed output pipe is avoided because the loss that overtension causes can reduce cost effectively at 15V.
Claims (1)
1. a power tube driving circuit of inversion direct current submerged arc welding machine is characterized in that, comprise,
Second resistance R 2, the 3rd resistance R 3, second capacitor C 2 and the first voltage-stabiliser tube D1 constitute mu balanced circuit, voltage is reduced to 15V, and links with dc source, are used for being when just powering on chip U3 power supply;
First resistance R 1, the second voltage-stabiliser tube D2, the 3rd voltage-stabiliser tube D3, first capacitor C 7 and resistance R 11 constitute mu balanced circuits, voltage is stabilized in 15V and links with dc source, and being used for when just powering on is chip U3 power supply;
Integrated circuit U3 the 13rd pin is connected with the 4th resistance R 4, and the 9th pin is connected with the 5th resistance R 5, is used for high drive and low-voltage driving;
The first triode Q1, the second triode Q2, the 4th resistance R 4, the 6th resistance R 10 constitute the push-pull type high-voltage driving circuit, through signal HVG be connected with loop signal among power rectifier and the high frequency transformer drive circuit figure, the 3rd triode Q3, the 4th triode Q4 and the 5th resistance R 5 formation push-pull type high-voltage driving circuits, be connected with loop signal in power rectifier and the high frequency transformer drive circuit through signal LVG, be used to drive the power tube of direct current submerged arc welding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101731555A CN101214576A (en) | 2007-12-26 | 2007-12-26 | Power tube driving circuit of inversion direct current submerged arc welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101731555A CN101214576A (en) | 2007-12-26 | 2007-12-26 | Power tube driving circuit of inversion direct current submerged arc welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101214576A true CN101214576A (en) | 2008-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101731555A Pending CN101214576A (en) | 2007-12-26 | 2007-12-26 | Power tube driving circuit of inversion direct current submerged arc welding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN101214576A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104025436A (en) * | 2011-09-01 | 2014-09-03 | 通用电气能源能量变换技术有限公司 | High-Power Converter Comprising Low-Power Switches And A Switch-Control Device For Generating A Pulse With A Reference Value And At Least Two Control Values |
| CN116794504A (en) * | 2023-08-21 | 2023-09-22 | 深圳海辰储能控制技术有限公司 | Dry contact output detection circuit and method, energy storage system and storage medium |
-
2007
- 2007-12-26 CN CNA2007101731555A patent/CN101214576A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104025436A (en) * | 2011-09-01 | 2014-09-03 | 通用电气能源能量变换技术有限公司 | High-Power Converter Comprising Low-Power Switches And A Switch-Control Device For Generating A Pulse With A Reference Value And At Least Two Control Values |
| US9641100B2 (en) | 2011-09-01 | 2017-05-02 | Ge Energy Power Conversion Technology Ltd. | High power converter comprising low power switches and a switch control device for generating a pulse with a reference value and at least two control values |
| CN104025436B (en) * | 2011-09-01 | 2019-01-25 | 通用电气能源能量变换技术有限公司 | The high power converter of the equipment of the pulse with reference value and at least two controlling values is generated including low power switch and for control switch |
| CN116794504A (en) * | 2023-08-21 | 2023-09-22 | 深圳海辰储能控制技术有限公司 | Dry contact output detection circuit and method, energy storage system and storage medium |
| CN116794504B (en) * | 2023-08-21 | 2024-01-02 | 深圳海辰储能科技有限公司 | Dry contact output detection circuit and method, energy storage system and storage medium |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080709 |