CN220050401U - High-frequency electromagnetic welding system - Google Patents
High-frequency electromagnetic welding system Download PDFInfo
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- CN220050401U CN220050401U CN202223525127.4U CN202223525127U CN220050401U CN 220050401 U CN220050401 U CN 220050401U CN 202223525127 U CN202223525127 U CN 202223525127U CN 220050401 U CN220050401 U CN 220050401U
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- 238000003466 welding Methods 0.000 title claims abstract description 81
- 238000001514 detection method Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses a high-frequency electromagnetic welding system which comprises a power supply module and a drive control module, wherein the power supply module is electrically connected with the drive control module through a wire, the power supply module comprises a power frequency alternating voltage input circuit, a slow starting circuit, a power frequency AC-DC circuit, a MOS tube driving circuit, an isolating circuit, a PWM control circuit and an adjustable direct voltage output circuit, and the power frequency alternating voltage input circuit, the slow starting circuit, the power frequency AC-DC circuit, the MOS tube driving circuit and the adjustable direct voltage output circuit are electrically connected in sequence through wires. According to the utility model, during welding, the FPGA high-precision control circuit can accurately output a frequency signal, so that the purpose of accurately controlling the welding effect is achieved, the welding current is controlled, the accurate control of the current is realized, and the influence of temperature on the welding effect is solved.
Description
Technical Field
The utility model relates to the technical field of photovoltaic cell production, in particular to a high-frequency electromagnetic welding system.
Background
In the manufacture of photovoltaic cell modules, it is necessary to weld the cell strings together by means of a bus bar. The photovoltaic busbar welding field, welding mode and system have multiple, and the welding mode that commonly used has: electric soldering iron welding, infrared welding and ultrasonic welding.
At present, the electric heating soldering iron welding in the prior art is manual welding, has obvious defects, and has low production efficiency and poor consistency and stability; the infrared welding is performed after infrared heating, the welding speed is low, the infrared radiation range is large, and the battery piece is easy to deform and crush by heating; ultrasonic welding is performed after heat generation through vibration friction, but because ultrasonic waves vibrate, soldering tin on a bus bar can vibrate and flow out, and the welding effect is affected, a high-frequency electromagnetic welding system is required to be designed to solve the problems.
Disclosure of Invention
The object of the present utility model is to provide a high frequency electromagnetic welding system which solves the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a high-frequency electromagnetic welding system, includes power module, drive control module, power module is electric connection with drive control module through the wire, power module includes power frequency alternating voltage input circuit, slow start circuit, power frequency AC changes DC circuit, MOS pipe drive circuit, isolating circuit, PWM control circuit, adjustable DC voltage output circuit, and is electric connection in proper order through the wire between power frequency alternating voltage input circuit, slow start circuit, power frequency AC changes DC circuit, MOS pipe drive circuit, the adjustable DC voltage output circuit, MOS pipe drive circuit is electric connection through wire and isolating circuit, PWM control circuit, isolating circuit is electric connection through wire and PWM control circuit.
Further, the driving control module comprises a DC-to-high frequency circuit, a welding head LC high frequency resonance circuit, a high frequency transformer current detection circuit, an FPGA high-precision control circuit, an overcurrent, overvoltage and overheat feedback protection circuit, and the adjustable direct current voltage output circuit is electrically connected with the DC-to-high frequency circuit through a wire.
Further, the DC-to-high frequency circuit, the welding head LC high frequency resonance circuit, the high frequency transformer current detection circuit and the FPGA high-precision control circuit are electrically connected in sequence, and the welding head LC high frequency resonance circuit is electrically connected with the overcurrent, overvoltage and overheat feedback protection circuit through wires.
Further, the overcurrent, overvoltage and overheat feedback protection circuit is electrically connected with the FPGA high-precision control circuit through a wire, and the overcurrent, overvoltage and overheat feedback protection circuit is electrically connected with the DC-to-high frequency circuit through a wire.
In the technical scheme, the high-frequency electromagnetic welding system provided by the utility model has the advantages that (1) through the arranged FPGA high-precision control circuit, the FPGA high-precision control circuit can accurately output a frequency signal during welding, so that the aim of accurately controlling the welding effect is fulfilled, the welding current is controlled, the accurate control of the current is realized, and the influence of temperature on the welding effect is solved; (2) Through the overcurrent, overvoltage and overheat feedback protection circuits, the DC-to-high frequency circuit, the welding head LC high frequency resonant circuit, the high frequency transformer current detection circuit and the FPGA high-precision control circuit can form a real-time feedback control closed loop, and the welding current can not generate larger fluctuation along with the temperature and can be stabilized in a small region; (3) Compared with the prior traditional welding, the utility model has the advantages of high welding heating speed, high welding efficiency, uniform welding temperature of the welding head and good welding effect.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic diagram of an overall structure provided by an embodiment of a high-frequency electromagnetic welding system according to the present utility model.
Fig. 2 is a schematic diagram of a power module according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a driving control module provided by an embodiment of a high-frequency electromagnetic welding system according to the present utility model.
Reference numerals illustrate:
1. a power module; 2. a drive control module; 3. a power frequency alternating voltage input circuit; 4. a slow start circuit; 5. a power frequency AC-DC conversion circuit; 6. a MOS tube driving circuit; 7. an isolation circuit; 8. a PWM control circuit; 9. an adjustable DC voltage output circuit; 10. a DC-to-high frequency circuit; 11. a welding head LC high-frequency resonance circuit; 12. a high frequency transformer current detection circuit; 13. an FPGA high-precision control circuit; 14. and an overcurrent, overvoltage and overheat feedback protection circuit.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, the high-frequency electromagnetic welding system provided by the embodiment of the utility model comprises a power supply module 1 and a drive control module 2, wherein the power supply module 1 is electrically connected with the drive control module 2 through wires, the power supply module 1 comprises a power frequency alternating current voltage input circuit 3, a slow start circuit 4, a power frequency alternating current-to-DC circuit 5, a MOS tube driving circuit 6, an isolation circuit 7, a PWM control circuit 8 and an adjustable direct current voltage output circuit 9, the power frequency alternating current voltage input circuit 3, the slow start circuit 4, the power frequency alternating current-to-DC circuit 5, the MOS tube driving circuit 6 and the adjustable direct current voltage output circuit 9 are electrically connected in sequence through wires, the MOS tube driving circuit 6 is electrically connected with the isolation circuit 7 and the PWM control circuit 8 through wires, and the isolation circuit 7 is electrically connected with the PWM control circuit 8 through wires.
Specifically, in this embodiment, including power module 1, drive control module 2, power module 1 is electric connection with drive control module 2 through the wire, power module 1 includes power frequency alternating voltage input circuit 3, slow start circuit 4, power frequency AC changes DC circuit 5, MOS pipe drive circuit 6, isolating circuit 7, PWM control circuit 8, adjustable direct voltage output circuit 9, and power frequency alternating voltage input circuit 3, slow start circuit 4, power frequency AC changes DC circuit 5, MOS pipe drive circuit 6, adjustable direct voltage output circuit 9 is electric connection in proper order through the wire, MOS pipe drive circuit 6 is electric connection through wire and isolating circuit 7, PWM control circuit 8, isolating circuit 7 is electric connection through wire and PWM control circuit 8.
According to the high-frequency electromagnetic welding system provided by the utility model, during welding, the FPGA high-precision control circuit 13 can accurately output a frequency signal, so that the aim of accurately controlling the welding effect is fulfilled, the welding current is controlled, the accurate control of the current is realized, and the influence of temperature on the welding effect is solved.
In one embodiment provided by the utility model, as shown in fig. 3, the driving control module 2 comprises a DC-to-high frequency circuit 10, a welding head LC high frequency resonant circuit 11, a high frequency transformer current detection circuit 5, an FPGA high-precision control circuit 13, an overcurrent, overvoltage and overheat feedback protection circuit 14, wherein the overcurrent, overvoltage and overheat feedback protection circuit 14, the DC-to-high frequency circuit 10, the welding head LC high frequency resonant circuit 11, the high frequency transformer current detection circuit 12 and the FPGA high-precision control circuit 13 can form a real-time feedback control closed loop, so that the welding current can not generate larger fluctuation with the temperature any more and can be stabilized
In a small region, the welding temperature of the welding head is uniform during welding, the quality of subsequent welding is improved, and the 0FPGA high-precision control circuit 13 adopts an FPGA chip and can accurately output frequency signals, thereby
The purpose of accurately controlling the welding effect is achieved, the welding current is controlled, the accurate control of the current is realized, the influence of temperature on the welding effect is solved, the adjustable direct-current voltage output circuit 9 is electrically connected with the DC-to-high frequency circuit 10 through a wire, and the DC-to-high frequency circuit 10 and the welding head LC high-frequency resonance electric circuit are electrically connected with each other
The circuit 11, the high-frequency transformer current detection circuit 12 and the FPGA high-precision control circuit 13 are electrically connected in sequence by 5, the welding head LC high-frequency resonant circuit 11 is electrically connected with the overcurrent, overvoltage and overheat feedback protection circuit 14 through wires, the overcurrent, overvoltage and overheat feedback protection circuit 14 is electrically connected with the FPGA high-precision control circuit 13 through wires, and the overcurrent, overvoltage and overheat feedback protection circuit 14 is electrically connected with the DC-high frequency circuit 10 through wires.
Working principle: when the welding system cabinet photovoltaic cell assembly is used for welding, the power supply module 1 can provide power for the welding head 0, then the photovoltaic cell assembly is subjected to welding treatment under the control of the driving control module 2,
meanwhile, during welding, the FPGA high-precision control circuit 13 can accurately output a frequency signal, thereby achieving the aim of accurately controlling the welding effect, controlling the welding current, realizing the accurate control of the current, solving the influence of temperature on the welding effect, and converting the overcurrent, overvoltage and overheat feedback protection circuit 14 and DC into high voltage
The frequency circuit 10, the welding head LC high-frequency resonant circuit 11, the high-frequency transformer current detection circuit 12 and the FPGA5 high-precision control circuit 13 can form a real-time feedback control closed loop, so that the welding current can not follow any more
The temperature is greatly fluctuated and can be stabilized in a small interval, so that the welding temperature of the welding head is uniform during welding, and the quality of subsequent welding is improved.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (4)
1. The utility model provides a high-frequency electromagnetic welding system, includes power module (1), drive control module (2), its characterized in that, power module (1) is electric connection through wire and drive control module (2), power module (1) are electric connection including power frequency alternating voltage input circuit (3), slow start circuit (4), power frequency AC changes DC circuit (5), MOS pipe drive circuit (6), isolating circuit (7), PWM control circuit (8), adjustable DC voltage output circuit (9), and power frequency alternating voltage input circuit (3), slow start circuit (4), power frequency AC changes DC circuit (5), MOS pipe drive circuit (6), adjustable DC voltage output circuit (9) between through the wire in proper order, MOS pipe drive circuit (6) are electric connection through wire and isolating circuit (7), PWM control circuit (8), isolating circuit (7) are electric connection through wire and PWM control circuit (8).
2. The high-frequency electromagnetic welding system according to claim 1, wherein the driving control module (2) comprises a DC-to-high frequency circuit (10), a welding head LC high frequency resonant circuit (11), a high frequency transformer current detection circuit (12), an FPGA high-precision control circuit (13), an overcurrent, overvoltage and overheat feedback protection circuit (14), and the adjustable direct current voltage output circuit (9) is electrically connected with the DC-to-high frequency circuit (10) through a wire.
3. The high-frequency electromagnetic welding system according to claim 2, wherein the DC-to-high frequency circuit (10), the welding head LC high-frequency resonant circuit (11), the high-frequency transformer current detection circuit (12) and the FPGA high-precision control circuit (13) are electrically connected in sequence, and the welding head LC high-frequency resonant circuit (11) is electrically connected with the overcurrent, overvoltage and overheat feedback protection circuit (14) through wires.
4. A high frequency electromagnetic welding system according to claim 3, wherein the overcurrent, overvoltage and overheat feedback protection circuit (14) is electrically connected with the FPGA high-precision control circuit (13) through a wire, and the overcurrent, overvoltage and overheat feedback protection circuit (14) is electrically connected with the DC-to-high frequency circuit (10) through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223525127.4U CN220050401U (en) | 2022-12-29 | 2022-12-29 | High-frequency electromagnetic welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223525127.4U CN220050401U (en) | 2022-12-29 | 2022-12-29 | High-frequency electromagnetic welding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220050401U true CN220050401U (en) | 2023-11-21 |
Family
ID=88755338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223525127.4U Active CN220050401U (en) | 2022-12-29 | 2022-12-29 | High-frequency electromagnetic welding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220050401U (en) |
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2022
- 2022-12-29 CN CN202223525127.4U patent/CN220050401U/en active Active
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