CN221621076U - Circuit for efficiently solving high-frequency arc striking success rate of alternating-current argon arc welding - Google Patents
Circuit for efficiently solving high-frequency arc striking success rate of alternating-current argon arc welding Download PDFInfo
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- CN221621076U CN221621076U CN202323262487.4U CN202323262487U CN221621076U CN 221621076 U CN221621076 U CN 221621076U CN 202323262487 U CN202323262487 U CN 202323262487U CN 221621076 U CN221621076 U CN 221621076U
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000003466 welding Methods 0.000 title claims abstract description 22
- 229910052786 argon Inorganic materials 0.000 title claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims description 39
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000000630 rising effect Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a circuit for efficiently solving the high-frequency arc striking success rate of alternating current argon arc welding, which comprises: a microprocessor, a trigger circuit, a high frequency circuit and a pilot circuit; the trigger circuit is connected with the microprocessor and used for sending out a trigger signal; the high-frequency circuit is connected with the trigger circuit; the pilot arc circuit is connected with the microprocessor. The utility model provides an effective hardware circuit, which can improve the success rate of high-frequency arc striking and achieve the actual measurement success rate of more than 99.99 percent under the condition of not increasing the arc striking time and the arc striking current.
Description
Technical Field
The utility model relates to the technical field of alternating current argon arc welding, in particular to a circuit for efficiently solving the high-frequency arc striking success rate of alternating current argon arc welding.
Background
The alternating current argon arc welder is extremely widely used in the welding process of aluminum metal, and most alternating current argon arc welders adopt a high-frequency arc striking mode because the metal surface can be damaged by lifting and pulling the arc striking mode and the efficiency is low. When striking, the probability of partial failure exists in the high-frequency striking due to the existence of the surface oxide film, so that a welder needs to strike the arc repeatedly once, and the welding efficiency is reduced. A common solution is to increase the time of the direct current arc striking or to increase the current at the time of arc striking. When sheet welding is used, this solution can weld through the sheet work piece, resulting in significant waste.
Disclosure of Invention
According to an embodiment of the present utility model, there is provided a circuit for efficiently solving a high-frequency arc striking success rate of alternating current argon arc welding, including: a microprocessor, a trigger circuit, a high frequency circuit and a pilot circuit;
The trigger circuit is connected with the microprocessor and used for sending out a trigger signal;
The high-frequency circuit is connected with the trigger circuit;
the pilot arc circuit is connected with the microprocessor.
Further, the trigger circuit includes: the first resistor, the first trigger, the first clock circuit, the second resistor, the second trigger, the second clock circuit, the first diode, the second diode, the third resistor, the third trigger, the third clock circuit and the fourth resistor;
One end of the first resistor is connected with the microprocessor;
the pin 11 of the first trigger is connected with the other end of the first resistor;
The first clock circuit is connected with pins 14, 15 of the first flip-flop;
one end of the second resistor is connected with the pin 9 of the first trigger;
The pin 4 of the second trigger is connected with the other end of the second resistor, and the pin 6 of the second trigger is connected with the microprocessor;
The second clock circuit is connected with pins 1 and 2 of the second trigger;
The cathode of the first diode is connected between the pin 9 of the first trigger and one end of the second resistor;
The anode of the second diode is connected with the anode of the first diode and then connected with external VCC voltage through a third resistor;
The pin 4 of the third trigger is connected with the pin 7 of the second trigger and then is connected with the cathode of the second diode, and the pin 6 of the third trigger is connected with the high-frequency circuit through a fourth resistor;
the third clock circuit is connected to pins 1, 2 of the third flip-flop.
Further, the first clock circuit includes: a first capacitor and a fifth resistor;
One end of the first capacitor is connected to the pin 15 of the first trigger, and is grounded, and the other end of the first capacitor is connected to the pin 14 of the first trigger and is connected to an external VCC voltage through a fifth resistor.
Further, the second clock circuit includes: a second capacitor and a sixth resistor;
One end of the second capacitor is connected with the pin 1 of the second trigger and grounded, and the other end of the second capacitor is connected with the pin 2 of the second trigger and is connected with an external VCC voltage through a sixth resistor.
Further, the third clock circuit includes: a third capacitor and a seventh resistor;
one end of the third capacitor is connected with the pin 1 of the third trigger and grounded, and the other end of the third capacitor is connected with the pin 2 of the third trigger and is connected with an external VCC voltage through a seventh resistor.
Further, the trigger circuit further includes: a fourth capacitor and an eighth resistor;
One end of the eighth resistor is connected with one end of the fourth capacitor and then connected with external 24V voltage, and the other end of the eighth resistor is connected between the microprocessor and one end of the first resistor;
The other end of the fourth capacitor is connected between the eighth resistor and one end of the first resistor.
According to the circuit for efficiently solving the high-frequency arc striking success rate of the alternating-current argon arc welding, the effective hardware circuit is provided, the success rate of the high-frequency arc striking can be improved under the condition that the arc striking time and the arc striking current are not increased, and the actual measurement success rate is more than 99.99%.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed.
Drawings
Fig. 1 is a circuit diagram of a circuit for efficiently solving the high-frequency arc striking success rate of alternating-current argon arc welding according to an embodiment of the utility model.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, which further illustrate the present utility model.
First, a circuit for efficiently solving the high-frequency arc striking success rate of the alternating-current argon arc welding according to an embodiment of the present utility model will be described with reference to fig. 1, and is used for efficiently solving the high-frequency arc striking success rate of the alternating-current argon arc welding, and the application scenario is wide.
As shown in FIG. 1, the circuit for efficiently solving the high-frequency arc striking success rate of the alternating-current argon arc welding is provided with a microprocessor, a trigger circuit, a high-frequency circuit and an arc maintaining circuit;
Specifically, as shown in fig. 1, the trigger circuit is connected with the microprocessor and is used for sending out a trigger signal; the high-frequency circuit is connected with the trigger circuit; the pilot arc circuit is connected with the microprocessor.
Further, as shown in fig. 1, the trigger circuit includes: the first resistor R8, the first trigger U1-B, the first clock circuit, the second resistor R10, the second trigger U2-A, the second clock circuit, the first diode D7, the second diode D6, the third resistor R11, the third trigger U1-A, the third clock circuit and the fourth resistor R6. One end of the first resistor R8 is connected with the microprocessor; the pin 11 of the first trigger U1-B is connected with the other end of the first resistor R8; the first clock circuit is connected with pins 14 and 15 of the first trigger U1-B; one end of the second resistor R10 is connected with the pin 9 of the first trigger U1-B; the pin 4 of the second trigger U2-A is connected with the other end of the second resistor R10, and the pin 6 of the second trigger U2-A is connected with the microprocessor; the second clock circuit is connected with pins 1 and 2 of a second trigger U2-A; the cathode of the first diode D7 is connected between the pin 9 of the first trigger U1-B and one end of the second resistor R10; the anode of the second diode D6 is connected with the anode of the first diode D7 and then is connected with external VCC voltage through a third resistor R11; the pin 4 of the third trigger U1-A is connected with the pin 7 of the second trigger U2-A and then is connected with the cathode of the second diode D6, and the pin 6 of the third trigger U1-A is connected with a high-frequency circuit through a fourth resistor R6; the third clock circuit is connected to pins 1, 2 of the third flip-flop U1-a.
Further, as shown in fig. 1, the first clock circuit includes: a first capacitor C1 and a fifth resistor R9; one end of the first capacitor C1 is connected with the pin 15 of the first trigger U1-B and grounded, and the other end of the first capacitor C1 is connected with the pin 14 of the first trigger U1-B and is connected with an external VCC voltage through a fifth resistor R9.
Further, as shown in fig. 1, the second clock circuit includes: a second capacitor C2 and a sixth resistor R14; one end of the second capacitor C2 is connected with the pin 1 of the second trigger U2-A and grounded, and the other end of the second capacitor C2 is connected with the pin 2 of the second trigger U2-A and is connected with an external VCC voltage through a sixth resistor R14.
Further, as shown in fig. 1, the third clock circuit includes: a third capacitor C3 and a seventh resistor R7; one end of the third capacitor C3 is connected with the pin 1 of the third trigger U1-A and grounded, and the other end of the third capacitor C3 is connected with the pin 2 of the third trigger U1-A and is connected with an external VCC voltage through a seventh resistor R7.
Further, as shown in fig. 1, the trigger circuit further includes: a fourth capacitor C14 and an eighth resistor R16; one end of the eighth resistor R16 is connected with one end of the fourth capacitor C14 and then is connected with external 24V voltage, and the other end of the eighth resistor R16 is connected between the microprocessor and one end of the first resistor R8; the other end of the fourth capacitor C14 is connected between the eighth resistor R16 and one end of the first resistor R8.
When a welder presses a welding gun switch, a high-frequency circuit needs to be triggered, a control signal is sent by a microprocessor and is input to a pin 11 of the first trigger U1-BU1B through a first resistor R8, and the trigger signal is changed from high to low.
The first flip-flop U1-B is set to a falling edge trigger, at which time the pin 9 output of the first flip-flop U1-B immediately changes from high to low, and the hold time is set to 5 ms by the first capacitor C1 and the fifth resistor R9.
After 5 ms, pin 9 of the first flip-flop U1-B goes from high to low and through the second resistor R10 into pin 4 of the second flip-flop U2-A.
The second trigger U2-A is set to be triggered by the rising edge, at the moment, the output of the pin 6 of the second trigger U2-A is changed from low level to high level immediately, the signal is connected to the microprocessor, the microprocessor detects the signal and immediately gives a pilot arc control signal to the pilot arc circuit, and the pilot arc circuit of the machine starts to work.
At the same time as the rising edge of the second trigger U2-a triggers, the output of pin 7 of the second trigger U2-a immediately changes from high to low, and the holding time is set to 20 ms by the second capacitor C2 and the sixth resistor R14.
After 20 ms has ended, pin 4 of the third flip-flop U1-A goes from low to high.
The third trigger U1-A is set to be triggered by the rising edge, at the moment, the output of the pin 6 of the third trigger U1-A is immediately changed from low level to high level, the holding time is set to be 6 milliseconds by the third capacitor C3 and the seventh resistor R7, the pin 6 of the third trigger U1-A is connected to the high frequency circuit through the fourth resistor R6, at the moment, the machine starts to beat high frequency, and the high frequency time is maintained for 6 milliseconds.
In the above, a circuit for efficiently solving the high-frequency arc striking success rate of alternating-current argon arc welding according to the embodiment of the utility model is described with reference to fig. 1, and an effective hardware circuit is provided, so that the success rate of high-frequency arc striking can be improved without increasing the arc striking time and the arc striking current, and the actual measurement success rate reaches more than 99.99%.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.
Claims (6)
1. A circuit for efficiently solving the problem of high-frequency arc striking success rate of alternating current argon arc welding is characterized by comprising: a microprocessor, a trigger circuit, a high frequency circuit and a pilot circuit;
the trigger circuit is connected with the microprocessor and used for sending out a trigger signal;
The high-frequency circuit is connected with the trigger circuit;
The pilot arc circuit is connected with the microprocessor.
2. The circuit for efficiently solving the high-frequency arc striking success rate of the alternating current argon arc welding according to claim 1, wherein the trigger circuit comprises: the first resistor, the first trigger, the first clock circuit, the second resistor, the second trigger, the second clock circuit, the first diode, the second diode, the third resistor, the third trigger, the third clock circuit and the fourth resistor;
one end of the first resistor is connected with the microprocessor;
The pin 11 of the first trigger is connected with the other end of the first resistor;
the first clock circuit is connected with pins 14 and 15 of the first trigger;
One end of the second resistor is connected with the pin 9 of the first trigger;
The pin 4 of the second trigger is connected with the other end of the second resistor, and the pin 6 of the second trigger is connected with the microprocessor;
the second clock circuit is connected with pins 1 and 2 of the second trigger;
The negative electrode of the first diode is connected between the pin 9 of the first trigger and one end of the second resistor;
The anode of the second diode is connected with the anode of the first diode and then connected with external VCC voltage through the third resistor;
The pin 4 of the third trigger is connected with the pin 7 of the second trigger and then is connected with the cathode of the second diode, and the pin 6 of the third trigger is connected with the high-frequency circuit through the fourth resistor;
the third clock circuit is connected with pins 1 and 2 of the third trigger.
3. The circuit for efficiently solving the high-frequency arc striking success rate of the alternating-current argon arc welding according to claim 2, wherein the first clock circuit comprises: a first capacitor and a fifth resistor;
One end of the first capacitor is connected with the pin 15 of the first trigger and grounded, and the other end of the first capacitor is connected with the pin 14 of the first trigger and connected with an external VCC voltage through the fifth resistor.
4. The circuit for efficiently solving the high-frequency arc striking success rate of the alternating-current argon arc welding according to claim 2, wherein the second clock circuit comprises: a second capacitor and a sixth resistor;
One end of the second capacitor is connected with the pin 1 of the second trigger and grounded, and the other end of the second capacitor is connected with the pin 2 of the second trigger and is connected with an external VCC voltage through the sixth resistor.
5. The circuit for efficiently solving the high-frequency arc striking success rate of the alternating-current argon arc welding according to claim 2, wherein the third clock circuit comprises: a third capacitor and a seventh resistor;
One end of the third capacitor is connected with the pin 1 of the third trigger and grounded, and the other end of the third capacitor is connected with the pin 2 of the third trigger and is connected with an external VCC voltage through the seventh resistor.
6. The circuit for efficiently solving the high-frequency arc striking success rate of the alternating-current argon arc welding according to claim 2, wherein the trigger circuit further comprises: a fourth capacitor and an eighth resistor;
One end of the eighth resistor is connected with one end of the fourth capacitor and then connected with external 24V voltage, and the other end of the eighth resistor is connected between the microprocessor and one end of the first resistor;
the other end of the fourth capacitor is connected between the eighth resistor and one end of the first resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323262487.4U CN221621076U (en) | 2023-12-01 | 2023-12-01 | Circuit for efficiently solving high-frequency arc striking success rate of alternating-current argon arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323262487.4U CN221621076U (en) | 2023-12-01 | 2023-12-01 | Circuit for efficiently solving high-frequency arc striking success rate of alternating-current argon arc welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221621076U true CN221621076U (en) | 2024-08-30 |
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ID=92492901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323262487.4U Active CN221621076U (en) | 2023-12-01 | 2023-12-01 | Circuit for efficiently solving high-frequency arc striking success rate of alternating-current argon arc welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221621076U (en) |
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2023
- 2023-12-01 CN CN202323262487.4U patent/CN221621076U/en active Active
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