CN219180324U - Arc welding machine with high-frequency coupling reactor - Google Patents
Arc welding machine with high-frequency coupling reactor Download PDFInfo
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- CN219180324U CN219180324U CN202223569445.0U CN202223569445U CN219180324U CN 219180324 U CN219180324 U CN 219180324U CN 202223569445 U CN202223569445 U CN 202223569445U CN 219180324 U CN219180324 U CN 219180324U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses an arc welder with a high-frequency coupling reactor, which comprises a machine case, wherein a circuit module, a transformer, the high-frequency coupling reactor, a high-frequency discharger, a first contactor and a second contactor are arranged in the machine case; the transformer is provided with a first output connector and a second output connector; the circuit module comprises a main control board, a rectifying and filtering circuit, a welding driving circuit and a welding output circuit; a workpiece interface and a welding gun interface are arranged in front of the case; the high-frequency coupling reactor comprises a magnetic core with a rectangular frame structure; a left reactance coil and a right reactance coil are respectively wound on the left frame column and the right frame column of the magnetic core; the middle part of the upper frame column of the magnetic core is wound with a high-frequency coupling coil. The utility model adopts the structural design that the high-frequency coupler and the reactor are integrated, thereby not only reducing the energy consumption and electromagnetic interference, but also reducing the weight and the manufacturing cost; meanwhile, the circuit module is arranged in the sealed upper cavity, so that efficient heat dissipation and dust prevention are met.
Description
Technical Field
The utility model relates to the technical field of arc welders, in particular to an arc welder with a high-frequency coupling reactor.
Background
The reactor and the high-frequency coupler of the existing arc welder are connected in series in a welding output loop of the arc welder, and as the reactor needs to continuously output pulse voltage and pulse current to maintain the output voltage and current continuity, the high-frequency coupler only plays a role in the moment of arc starting of electric welding, and the current flowing through the high-frequency coupler in other time is only converted into heat energy to be consumed, so that electromagnetic interference can be caused to the arc welder, and the manufacturing cost and weight of the arc welder are increased.
In addition, due to the limitation of the internal structure of the existing arc welding machine, the high-efficiency heat dissipation and dust prevention of each circuit cannot be simultaneously met, and the service life and the stable performance of the welding machine are affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide an arc welding machine with a high-frequency coupling reactor, which not only reduces energy consumption and electromagnetic interference, but also lightens weight and reduces manufacturing cost; meanwhile, the circuit module is arranged in the sealed upper cavity, so that the arc welding machine can realize efficient heat dissipation and dust prevention.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
an arc welder with a high-frequency coupling reactor comprises a machine case, and is characterized in that a circuit module, a transformer, the high-frequency coupling reactor, a high-frequency discharger, a first contactor and a second contactor are arranged in the machine case;
the transformer is provided with a first output connector and a second output connector;
the circuit module comprises a main control board, a rectifying and filtering circuit, a welding driving circuit and a welding output circuit; the front of the case is provided with a workpiece interface and a welding gun interface from top to bottom in sequence; the input end and the output end of the rectifying and filtering circuit are respectively connected with a power supply and a transformer; the input end of the welding driving circuit is connected with the first output joint, and the output end of the welding driving circuit is connected with the welding output circuit; the workpiece interface is connected with a positive loop of the welding output circuit, and the welding gun interface is connected with a negative loop of the welding output circuit.
Preferably, the high-frequency coupling reactor comprises a magnetic core with a rectangular frame structure;
a left reactance coil and a right reactance coil are respectively wound on the left frame column and the right frame column of the magnetic core; a high-frequency coupling coil is wound in the middle of the upper frame column of the magnetic core;
the upper end head and the lower end head of the left electric reactor are respectively a first tap and a second tap; the upper end head and the lower end head of the right electric reactor are respectively a third tap and a fourth tap; the two ends of the high-frequency coupling coil are respectively provided with a fifth tap and a sixth tap;
the second tap is connected with a third tap, and the first tap is connected with a second output joint; the fifth tap and the sixth tap are connected with a high-frequency discharger, and the high-frequency discharger is connected with a welding output circuit through a first contactor; and two ends of the second contactor are respectively connected with the third tap and the welding gun interface.
Preferably, a partition board parallel to the ground is arranged in the middle of the interior of the case; the partition plate divides the inner cavity of the case into an upper cavity and a lower cavity from top to bottom; an air inlet grid and an air outlet grid are respectively arranged at the front and the rear of the chassis of the lower chamber;
the upper cavity is of a sealing structure, and the main control board, the rectifying and filtering circuit, the welding driving circuit and the welding output circuit are arranged in the upper cavity; the lower chamber is positioned on the partition board and is provided with a radiator for absorbing heat of the main control board, the rectifying and filtering circuit, the welding driving circuit and the welding output circuit; the transformer, the high-frequency discharger, the first contactor and the second contactor are arranged in the lower chamber.
Preferably, a heat radiation fan is arranged at the position of the air outlet grid of the case; the transformer is provided with a first temperature sensor; the heat radiation fan and the first temperature sensor are electrically connected with the main control board.
Preferably, a first sensor for detecting output voltage and current of the high-frequency coupling reactor is arranged on a connecting line between the second contactor and the welding gun interface; and a second sensor for detecting output voltage and current of the high-frequency coupling reactor is arranged on a connecting line between the welding output circuit and the first contactor.
Preferably, a control panel is further arranged above the front surface of the case; the first contactor and the second contactor are electrically connected with the control panel through the main control panel.
Preferably, the upper side and the lower side of the magnetic core are provided with connecting plates; the two connecting plates are in threaded connection with the magnetic core through a screw rod and a nut.
Preferably, the heat dissipation fan is a variable frequency fan.
Compared with the prior art, the utility model has the beneficial effects that:
1. the high-frequency coupling reactor adopts the structural design that a coupler and the reactor multiplex a pair of magnetic cores, and under the action of the main control board, the on-off of the coupling output end and the reactance output end of the high-frequency coupling reactor are respectively controlled by arranging the first contactor and the second contactor, the corresponding contactor can be triggered to be started according to the arc starting or the pilot arc state of the arc welder, so that the energy consumption and the electromagnetic interference caused by the fact that current enters the coupling high-frequency coil to generate heat are reduced, and pulse voltage and pulse current can be continuously output to maintain the sustainability of the output voltage and the current; meanwhile, the manufacturing cost is reduced, and the weight of the arc welding machine is lightened.
2. The upper cavity adopts a sealed structural design, a circuit module consisting of a main control board, a rectifying and filtering circuit, a welding driving circuit and a welding output circuit is arranged in the upper cavity, heat of the circuit module is absorbed through a radiator positioned in the lower cavity, and under the action of a heat radiation fan, the radiator, the transformer and the high-frequency coupling reactor are radiated, so that the arc welder can realize efficient heat radiation and dust prevention.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
fig. 3 is a schematic structural diagram of a high-frequency coupling reactor according to the present utility model;
FIG. 4 is a control schematic of the present utility model;
wherein: the welding machine comprises a circuit module 1, a transformer 2, a high-frequency coupling reactor 3, a high-frequency discharger 4, a first contactor 5, a second contactor 6, a first sensor 7, a second sensor 8, a control panel 9, a main control board 11, a rectifying and filtering circuit 12, a welding driving circuit 13, a welding output circuit 14, a machine case 10, a workpiece interface 20, a first output joint 21, a second output joint 22, a welding gun interface 30, a magnetic core 31, a left reactance coil 32, a right reactance coil 33, a high-frequency coupling coil 34, a connecting plate 35, an upper chamber 40, a lower chamber 50, a radiator 60, a heat dissipation fan 70, a first temperature sensor 80, an air inlet grid 101, an air outlet grid 102, a first tap a1, a second tap a2, a third tap a3, a fourth tap a4, a fifth tap a5 and a sixth tap a6.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "upper," "lower," "front," "rear," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The utility model will be further described with reference to the accompanying drawings and detailed description below:
as shown in fig. 1 to 4, an arc welder with a high-frequency coupling reactor 3 comprises a case 10, wherein a circuit module 1, a transformer 2, the high-frequency coupling reactor 3, a high-frequency discharger 4, a first contactor 5 and a second contactor 6 are arranged in the case 10;
the transformer 2 is provided with a first output connector 21 and a second output connector 22;
the circuit module 1 comprises a main control board 11, a rectifying and filtering circuit 12, a welding driving circuit 13 and a welding output circuit 14; the front of the case 10 is provided with a workpiece interface 20 and a welding gun interface 30 from top to bottom in sequence; the input end and the output end of the rectifying and filtering circuit 12 are respectively connected with a power supply and the transformer 2; the input end of the welding driving circuit 13 is connected with the first output joint 21, and the output end is connected with the welding output circuit 14; the workpiece interface 20 is connected to the positive side of the welding output circuit 14, and the gun interface 30 is connected to the negative side of the welding output circuit 14.
Further, as shown in fig. 2, 3, 4, the high-frequency coupled reactor 3 includes a magnetic core 31 having a rectangular frame structure;
a left reactance coil 32 and a right reactance coil 33 are respectively wound on the left frame column and the right frame column of the magnetic core 31; a high-frequency coupling coil 34 is wound around the middle part of the upper frame column of the magnetic core 31;
the upper end and the lower end of the left reactance coil 32 are respectively a first tap a1 and a second tap a2; the upper end and the lower end of the right electric reactor 33 are respectively a third tap a3 and a fourth tap a4; the two ends of the high-frequency coupling coil 34 are respectively provided with a fifth tap a5 and a sixth tap a6;
the second tap a2 is connected with a third tap a3, and the first tap a1 is connected with a second output joint 22; the fifth tap a5 and the sixth tap a6 are connected with the high-frequency discharger 4, and the high-frequency discharger 4 is connected with the welding output circuit 14 through the first contactor 5; the two ends of the second contactor 6 are respectively connected with the third tap a3 and the welding gun interface 30.
In this embodiment, the high-frequency coupling reactor 3 adopts a structural design that a coupler and a reactor multiplex a pair of magnetic cores 31, and by winding a left reactance coil 32, a right reactance coil 33 and a high-frequency coupling coil 34 on the magnetic cores 31 with rectangular frame structures, respectively, two coupling output ends (a fifth tap a5 and a sixth tap a 6) of the high-frequency coupling reactor 3 are connected with the high-frequency discharger 4, and a reactance output end (a third tap a 3) is connected with the welding gun interface 30; under the action of the main control board 11, the connection wire connecting the high-frequency generator and the welding output circuit 14 and the connection wire connecting the reactance output end and the welding gun interface 30 are respectively controlled to be on-off by the first contactor 5 and the second contactor 6; when the arc welding machine runs, the first contactor 5 is started, a high-frequency high-voltage electric signal is output at the moment of arc starting of the arc welding machine, and the first contactor 5 is automatically controlled to be disconnected after the arc starting is completed; immediately after the arc striking is completed, the second contactor 6 is switched on, and pulse voltage and pulse current are continuously output, so that the sustainability of the output voltage and current is maintained.
In this embodiment, under the action of the main control board 11, the first contactor 5 and the second contactor 6 are arranged to control the on-off of the coupling output end and the reactance output end of the high-frequency coupling reactor 3 respectively, so that the corresponding contactor can be triggered to be opened according to the arc striking or pilot arc state of the arc welder, the energy consumption and electromagnetic interference caused by the current entering the coupling high-frequency coil to generate heat are reduced, and pulse voltage and pulse current can be continuously output to maintain the sustainability of the output voltage and current; meanwhile, the manufacturing cost is reduced, and the weight of the arc welding machine is lightened.
Further, as shown in fig. 2, a partition board parallel to the ground is disposed in the middle of the interior of the chassis 10; the partition plate divides the inner cavity of the case 10 into an upper chamber 40 and a lower chamber 50 from top to bottom; the lower chamber 50 is provided with an air inlet grid 101 and an air outlet grid 102 respectively at the front and the rear of the case 10;
the upper chamber 40 is of a sealing structure, and the main control board 11, the rectifying and filtering circuit 12, the welding driving circuit 13 and the welding output circuit 14 are arranged in the upper chamber 40; the lower chamber 50 is provided with a radiator 60 which is positioned on the partition board and used for absorbing heat of the main control board 11, the rectifying and filtering circuit 12, the welding driving circuit 13 and the welding output circuit 14; the transformer 2, the high-frequency discharger 4, the first contactor 5 and the second contactor 6 are disposed in the lower chamber 50.
In this embodiment, the main control board 11, the rectifying and filtering circuit 12, the welding driving circuit 13 and the welding output circuit 14 are arranged in the upper chamber 40 of the sealing structure, so that the dustproof effect of the circuit module 1 can be improved; at the same time, the radiator 60 absorbing the heat of the circuit module 1 is arranged below the partition board in the lower chamber 50, so that the heat dissipation and dust prevention effects of the circuit module 1 are ensured.
Further, as shown in fig. 2, the heat dissipation fan 70 is disposed at the position of the air outlet grid 102 of the chassis 10; the transformer 2 is provided with a first temperature sensor 80; the heat dissipation fan 70 and the first temperature sensor 80 are electrically connected with the main control board 11.
In this embodiment, by providing the first temperature sensor 80 to monitor the temperature of the transformer 2 in real time, when the temperature value of the transformer 2 exceeds the range value, the heat dissipation fan 70 is started to dissipate heat from the transformer 2.
Further, as shown in fig. 2 and 4, a first sensor 7 for detecting the output voltage and current of the high-frequency coupling reactor 3 is provided on the connecting line between the second contactor 6 and the welding gun interface 30; a second sensor 8 for detecting the output voltage and current of the high-frequency coupling reactor 3 is arranged on a connecting line between the welding output circuit 14 and the first contactor 5.
In this embodiment, the above structure can monitor the voltage and current of the coupling output end and reactance output end of the high-frequency coupling reactor 3 in real time, and when the current and voltage value are monitored to exceed the set values, the main control board 11 controls the arc welder to stop the welding work, thereby avoiding the loss caused by bad welding.
Further, as shown in fig. 2 and 4, a control panel 9 is further disposed above the front of the chassis 10; the first contactor 5 and the second contactor 6 are electrically connected with the control panel 9 through the main control panel 11.
In this embodiment, during use, the control panel 9 controls the on-off of the first contactor 5 and the second contactor 6 through the main control board 11, so that not only arc striking and pilot arc control are realized, but also safe, stable and reliable use is ensured.
Further, as shown in fig. 3, the upper and lower sides of the magnetic core 31 are provided with connection plates 35; the two connecting plates 35 are screwed on the magnetic core 31 through screws and nuts.
Further, the heat dissipation fan 70 is a variable frequency fan.
It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the utility model as defined in the appended claims.
Claims (8)
1. An arc welder with a high-frequency coupling reactor comprises a machine case, and is characterized in that a circuit module, a transformer, the high-frequency coupling reactor, a high-frequency discharger, a first contactor and a second contactor are arranged in the machine case;
the transformer is provided with a first output connector and a second output connector;
the circuit module comprises a main control board, a rectifying and filtering circuit, a welding driving circuit and a welding output circuit; the front of the case is provided with a workpiece interface and a welding gun interface from top to bottom in sequence; the input end and the output end of the rectifying and filtering circuit are respectively connected with a power supply and a transformer; the input end of the welding driving circuit is connected with the first output joint, and the output end of the welding driving circuit is connected with the welding output circuit; the workpiece interface is connected with a positive loop of the welding output circuit, and the welding gun interface is connected with a negative loop of the welding output circuit.
2. The arc welder with the high frequency coupling reactor according to claim 1, wherein the high frequency coupling reactor comprises a magnetic core with a rectangular frame structure;
a left reactance coil and a right reactance coil are respectively wound on the left frame column and the right frame column of the magnetic core; a high-frequency coupling coil is wound in the middle of the upper frame column of the magnetic core;
the upper end head and the lower end head of the left electric reactor are respectively a first tap and a second tap; the upper end head and the lower end head of the right electric reactor are respectively a third tap and a fourth tap; the two ends of the high-frequency coupling coil are respectively provided with a fifth tap and a sixth tap;
the second tap is connected with a third tap, and the first tap is connected with a second output joint; the fifth tap and the sixth tap are connected with a high-frequency discharger, and the high-frequency discharger is connected with a welding output circuit through a first contactor; and two ends of the second contactor are respectively connected with the third tap and the welding gun interface.
3. The arc welder with the high frequency coupling reactor according to claim 1, wherein a partition plate parallel to the ground is arranged in the middle of the inside of the case; the partition plate divides the inner cavity of the case into an upper cavity and a lower cavity from top to bottom; an air inlet grid and an air outlet grid are respectively arranged at the front and the rear of the chassis of the lower chamber;
the upper cavity is of a sealing structure, and the main control board, the rectifying and filtering circuit, the welding driving circuit and the welding output circuit are arranged in the upper cavity; the lower chamber is positioned on the partition board and is provided with a radiator for absorbing heat of the main control board, the rectifying and filtering circuit, the welding driving circuit and the welding output circuit; the transformer, the high-frequency discharger, the first contactor and the second contactor are arranged in the lower chamber.
4. The arc welder with the high frequency coupling reactor according to claim 1, wherein a heat radiation fan is arranged at the position of the air outlet grid of the case; the transformer is provided with a first temperature sensor; the heat radiation fan and the first temperature sensor are electrically connected with the main control board.
5. The arc welder with the high frequency coupling reactor according to claim 2, wherein a first sensor for detecting output voltage and current of the high frequency coupling reactor is arranged on a connecting line between the second contactor and a welding gun interface; and a second sensor for detecting output voltage and current of the high-frequency coupling reactor is arranged on a connecting line between the welding output circuit and the first contactor.
6. The arc welder with the high frequency coupling reactor according to claim 1, wherein a control panel is further arranged above the front surface of the case; the first contactor and the second contactor are electrically connected with the control panel through the main control panel.
7. The arc welder with the high frequency coupling reactor according to claim 2, wherein the upper side and the lower side of the magnetic core are provided with connecting plates; the two connecting plates are in threaded connection with the magnetic core through a screw rod and a nut.
8. The arc welder with the high frequency coupling reactor of claim 4, wherein the heat dissipation fan is a variable frequency fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223569445.0U CN219180324U (en) | 2022-12-29 | 2022-12-29 | Arc welding machine with high-frequency coupling reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223569445.0U CN219180324U (en) | 2022-12-29 | 2022-12-29 | Arc welding machine with high-frequency coupling reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219180324U true CN219180324U (en) | 2023-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223569445.0U Active CN219180324U (en) | 2022-12-29 | 2022-12-29 | Arc welding machine with high-frequency coupling reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219180324U (en) |
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2022
- 2022-12-29 CN CN202223569445.0U patent/CN219180324U/en active Active
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