CN217307319U - Power supply circuit of battery type argon arc welding machine - Google Patents
Power supply circuit of battery type argon arc welding machine Download PDFInfo
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- CN217307319U CN217307319U CN202221096817.XU CN202221096817U CN217307319U CN 217307319 U CN217307319 U CN 217307319U CN 202221096817 U CN202221096817 U CN 202221096817U CN 217307319 U CN217307319 U CN 217307319U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model discloses a power supply circuit of battery type argon arc welding machine, including battery B1, transformer T1, full-bridge switch circuit, rectifier circuit, high frequency boost circuit and transformer T2, battery B1's positive negative pole both ends are through full-bridge switch circuit connection transformer T1's primary coil N1 winding, transformer T1 is provided with three secondary winding windings, is N2 winding, N3 winding and N4 winding respectively; the two ends of the N2 winding and the N3 winding pass through the rectifying circuit and then output positive poles, the connection end of the N2 winding and the N3 winding is connected with the input end of an inductor L1, the output end of the inductor L1 is connected with one end of a secondary coil N5 winding of a transformer T2, the other end of the secondary coil N5 winding is connected with an output negative pole, and the N4 winding is connected with a primary coil N6 winding of the transformer T2 through a high-frequency boosting circuit. The utility model discloses realized the argon arc welding with battery energy behind isolation, rectification filtering, high frequency striking, need not alternating current power supply, consequently portable high efficiency, safe guaranteed.
Description
Technical Field
The utility model relates to a circuit specifically is a supply circuit of battery type argon arc welding machine belongs to welding equipment technical field.
Background
The argon arc welding machine is a welding device designed by adopting high-frequency pressurization arc striking and pulse heat arc striking, and the existing inverter direct-current argon arc welding machine has the advantages of excellent arc striking performance, wide working voltage range, strong power grid adaptability and high load duration rate, so that the inverter direct-current argon arc welding machine is widely used in continuous work of many industries.
Although the argon arc welding machine is applied more at present, some problems still exist in the using process, such as:
(1) in the existing argon arc welding machine technology, the argon arc welding machine is connected with a high-power grid, the alternating current of the power grid is inverted into direct current to realize argon arc welding, and the argon arc welding cannot be realized in outdoor places without an alternating current power supply;
(2) the power supply cable needs to be laid in the power supply of the existing argon arc welding machine, the cable laying cost is high, time and labor are wasted, and the potential safety hazard is caused during welding.
Disclosure of Invention
An object of the utility model is to provide a power supply circuit of battery type argon arc welding machine to overcome the defect that above-mentioned prior art exists.
In order to achieve the purpose, the utility model adopts the following technical scheme:
on the one hand, the utility model provides a power supply circuit of battery mode argon arc welding machine, this power supply circuit include battery B1, transformer T1, full-bridge switch circuit, rectifier circuit, high frequency boost circuit and transformer T2, battery B1's positive negative pole both ends are through full-bridge switch circuit connection transformer T1's primary coil N1 winding, transformer T1 is provided with three secondary coil windings, is N2 winding, N3 winding and N4 winding respectively; the two ends of the N2 winding and the N3 winding pass through the rectifying circuit and then output positive poles to serve as positive pole output ends, the connection end of the N2 winding and the N3 winding is connected with the input end of an inductor L1, the output end of the inductor L1 is connected with one end of a secondary coil N5 winding of a transformer T2, the other end of the secondary coil N5 winding is connected with the output negative pole to serve as a negative pole output end, and the N4 winding is connected with a primary coil N6 winding of the transformer T2 through a high-frequency boosting circuit.
Further, the full-bridge switching circuit comprises a switching tube Q1, a switching tube Q2, a switching tube Q3 and a switching tube Q4, wherein the switching tube Q1 and the switching tube Q3 are connected in series, the switching tube Q2 and the switching tube Q4 are connected in series, the switching tubes Q1 and Q3 which are connected in series are connected in parallel with the switching tubes Q2 and Q4 which are connected in series, and two ends of the two switching tubes which are connected in parallel are respectively connected with the positive electrode and the negative electrode of the battery B1.
Furthermore, two ends of the N1 winding of the transformer T1 are respectively connected between the switching tubes Q1 and Q3 and between the switching tubes Q2 and Q4.
Furthermore, the switching tube Q1, the switching tube Q2, the switching tube Q3 and the switching tube Q4 are any one of MOS tubes, IGBT tubes, triodes, gallium nitride switching tubes and silicon carbide switching tubes.
Further, the rectifying circuit is composed of a diode D1 and a diode D2, an anode end of the diode D1 is connected with one end of a secondary coil N2 winding of the transformer T1, an anode end of the diode D2 is connected with one end of a secondary coil N3 winding of the transformer T1, and a cathode end of the diode D1 and a cathode end of the diode D2 are connected to serve as an anode output end.
Furthermore, the other end of the winding of the secondary coil N2 of the transformer T1 is connected with the other end of the winding of the secondary coil N3 to serve as a center tap.
On the other hand, the utility model also provides a battery type argon arc welding machine, it includes in the above-mentioned scheme power supply circuit.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the existing argon arc welding machine technology can realize argon arc welding only by connecting the argon arc welding machine with a high-power grid and inverting the alternating current of the power grid into direct current, and can not realize argon arc welding in outdoor places without alternating current power supplies. The argon arc welding is realized to battery energy after full-bridge circuit switch, transformer transformation isolation, rectification filtering and high-frequency arc striking, and external high-power grids are not needed.
(2) The power supply cable needs to be laid in the power supply of the existing argon arc welding machine, the cable laying cost is high, time and labor are wasted, and the potential safety hazard is caused during welding. This patent technique only needs the battery powered, need not alternating current power supply, consequently portable high efficiency, safe assurance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a circuit diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the present invention provides an embodiment: a power supply circuit of a battery type argon arc welding machine comprises a battery B1, a transformer T1, a full-bridge switch circuit, a rectifying circuit, a high-frequency booster circuit and a transformer T2, wherein the two ends of the positive electrode and the negative electrode of the battery B1 are connected with a primary coil N1 winding of the transformer T1 through the full-bridge switch circuit, and the transformer T1 is provided with three secondary coil windings which are respectively an N2 winding, an N3 winding and an N4 winding; the two ends of the N2 winding and the N3 winding pass through the rectifying circuit and then output positive poles to serve as positive pole output ends, the connection end of the N2 winding and the N3 winding is connected with the input end of an inductor L1, the output end of the inductor L1 is connected with one end of a secondary coil N5 winding of a transformer T2, the other end of the secondary coil N5 winding is connected with the output negative pole to serve as a negative pole output end, and the N4 winding is connected with a primary coil N6 winding of the transformer T2 through a high-frequency boosting circuit.
In this embodiment, the full-bridge switching circuit includes a switching tube Q1, a switching tube Q2, a switching tube Q3 and a switching tube Q4, the switching tube Q1 and the switching tube Q3 are connected in series, the switching tube Q2 and the switching tube Q4 are connected in series, the switching tubes Q1 and Q3 connected in series are connected in parallel with the switching tubes Q2 and Q4 connected in series, and two ends of the parallel connection are respectively connected to the positive electrode and the negative electrode of the battery B1. Two ends of the N1 winding of the transformer T1 are respectively connected between the switching tubes Q1 and Q3 and between the switching tubes Q2 and Q4.
The switching tube Q1, the switching tube Q2, the switching tube Q3 and the switching tube Q4 are any one of MOS tubes, IGBT tubes, triodes, gallium nitride switching tubes and silicon carbide switching tubes.
In this embodiment, the rectifying circuit includes a diode D1 and a diode D2, an anode terminal of the diode D1 is connected to one end of a winding of a secondary winding N2 of a transformer T1, an anode terminal of the diode D2 is connected to one end of a winding of a secondary winding N3 of a transformer T1, the other end of the winding of a secondary winding N2 of the transformer T1 is connected to the other end of the winding of the secondary winding N3 to serve as a center tap, and a cathode terminal of the diode D1 is connected to a cathode terminal of the diode D2 to serve as an anode output terminal.
The utility model discloses a theory of operation: the output voltage of the battery B1 is changed into high-frequency alternating current square waves through a full-bridge switching circuit consisting of switching tubes Q1, Q2, Q3 and Q4, the high-frequency alternating current square waves are input into an N1 winding of a transformer T1, the high-frequency alternating current square waves are isolated by voltage transformation of the N2 and N3 windings, and the high-frequency alternating current square waves are connected with an output anode after passing through a rectifying circuit consisting of diodes D1 and D2. The center taps of the windings of N2 and N3 are connected with the input of an inductor L1, the output end of the inductor L1 is connected with one end of the winding of N5 of the transformer T2, and the other end of the winding of N5 outputs negative pole. The high-frequency alternating current square wave coupled by the N1 winding is input to a high-frequency boosting circuit by an N4 winding of the transformer T1, the high-frequency boosting circuit boosts the high-frequency alternating current square wave and inputs the boosted high-frequency alternating current square wave to an N6 winding of the transformer T2, the boosted high-frequency alternating current square wave is coupled to an N5 winding by the transformer T2, one end of the N5 winding is connected with an output negative electrode, and high-frequency high voltage coupled by the N5 winding is used as argon arc welding high-frequency arc striking.
The foregoing illustrates and describes the general principles, features and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (7)
1. The power supply circuit of the battery type argon arc welding machine is characterized by comprising a battery B1, a transformer T1, a full-bridge switching circuit, a rectifying circuit, a high-frequency boosting circuit and a transformer T2, wherein the positive and negative ends of the battery B1 are connected with a primary coil N1 winding of the transformer T1 through the full-bridge switching circuit, and the transformer T1 is provided with three secondary coil windings which are respectively an N2 winding, an N3 winding and an N4 winding; the two ends of the N2 winding and the N3 winding pass through the rectifying circuit and then output positive poles to serve as positive pole output ends, the connection end of the N2 winding and the N3 winding is connected with the input end of an inductor L1, the output end of the inductor L1 is connected with one end of a secondary coil N5 winding of a transformer T2, the other end of the secondary coil N5 winding is connected with the output negative pole to serve as a negative pole output end, and the N4 winding is connected with a primary coil N6 winding of the transformer T2 through a high-frequency boosting circuit.
2. The power supply circuit of the battery-operated argon arc welding machine according to claim 1, wherein the full-bridge switching circuit comprises a switching tube Q1, a switching tube Q2, a switching tube Q3 and a switching tube Q4, the switching tube Q1 and the switching tube Q3 are connected in series, the switching tube Q2 and the switching tube Q4 are connected in series, the switching tubes Q1 and Q3 after being connected in series are connected in parallel with the switching tubes Q2 and Q4 after being connected in series, and both ends after being connected in parallel are respectively connected with the positive electrode and the negative electrode of the battery B1.
3. The power supply circuit of the battery-operated argon arc welding machine according to claim 2, wherein two ends of the N1 winding of the transformer T1 are respectively connected between the switching tubes Q1 and Q3 and between the switching tubes Q2 and Q4.
4. The power supply circuit of the battery-operated argon arc welding machine according to claim 2, wherein the switching tube Q1, the switching tube Q2, the switching tube Q3 and the switching tube Q4 are any one of MOS transistors, IGBT transistors, triodes, gallium nitride switching tubes and silicon carbide switching tubes.
5. The power supply circuit of battery-operated argon arc welding machine according to claim 1, characterized in that said rectifying circuit is composed of diode D1 and diode D2, the anode terminal of said diode D1 is connected with one end of the winding of the secondary coil N2 of transformer T1, the anode terminal of said diode D2 is connected with one end of the winding of the secondary coil N3 of transformer T1, and the cathode terminals of said diode D1 and diode D2 are connected as the positive output terminal.
6. The power supply circuit of battery-operated argon arc welding machine according to claim 5, characterized in that the other end of the winding of the secondary coil N2 of the transformer T1 is connected with the other end of the winding of the secondary coil N3 to be used as a center tap.
7. A battery-operated argon arc welding machine, characterized in that it comprises a power supply circuit as claimed in any one of the preceding claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221096817.XU CN217307319U (en) | 2022-05-09 | 2022-05-09 | Power supply circuit of battery type argon arc welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221096817.XU CN217307319U (en) | 2022-05-09 | 2022-05-09 | Power supply circuit of battery type argon arc welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217307319U true CN217307319U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221096817.XU Active CN217307319U (en) | 2022-05-09 | 2022-05-09 | Power supply circuit of battery type argon arc welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217307319U (en) |
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2022
- 2022-05-09 CN CN202221096817.XU patent/CN217307319U/en active Active
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