CN202780289U - Direct-current contravariant pulse hot-pressure welding power supply - Google Patents
Direct-current contravariant pulse hot-pressure welding power supply Download PDFInfo
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- CN202780289U CN202780289U CN 201220481581 CN201220481581U CN202780289U CN 202780289 U CN202780289 U CN 202780289U CN 201220481581 CN201220481581 CN 201220481581 CN 201220481581 U CN201220481581 U CN 201220481581U CN 202780289 U CN202780289 U CN 202780289U
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Abstract
The utility model discloses a direct-current contravariant pulse hot-pressure welding power supply. A 380V alternating-current power supply is connected with an inverter module insulated gate bipolar translator (IGBT) after being subjected to bridge rectifying and wave filtering to generate tens of KHz of high-frequency current, and then is connected with a rectification circuit comprising a plurality of power diodes through an output transformer to output a direct-current power supply serving as a welding power supply; a primary loop of the output transformer is serially connected with a thermal resistor current sensor; and temperature data sensed by the current sensor are connected with a central processing unit (CPU) chip of a mainboard, the CPU chip of the mainboard is connected with a driving circuit of the inverter IGBT, and the driving circuit controls the output power of the inverter IGBT. The direct-current contravariant pulse hot-pressure welding power supply has the advantages that the output current can be regulated in a microsecond time, an ideal control process required by welding can be realized, the welding has high consistency, short-circuiting and rosin joint phenomena are avoided, floating welding does not exist, and the welding effect is good.
Description
Technical field
The utility model relates to the thermal compression welding field, particularly a kind of dc inversion formula pulse thermal compression welding power supply.
Background technology
The source of welding current precision of the AC system pulse power of industry is 50hz at present, and welding temperature and power supply set temperature deviation are larger in real time, and welding effect is relatively poor.
The utility model content
Technical problem to be solved in the utility model is the dc inversion formula pulse thermal compression welding power supply that will provide a kind of welding effect good.
In order to solve above technical problem, the utility model provides a kind of dc inversion formula pulse thermal compression welding power supply, the 380V AC power is connected with inverter module IGBT after bridge rectifier filtering, produce tens of KHz high frequency electrics, through the rectification circuit of output transformer connection by several power diodes, the output DC source is as the source of welding current again; The primary return of described output transformer is serially connected with the thermistor current sensor; The temperature data of current sensor perception is connected with the cpu chip of mainboard, and the mainboard cpu chip is connected with the drive circuit of inverter IGBT, this drive circuit control inverter IGBT power output.
The cpu chip of described mainboard is the connecting fluid crystal display screen also, the ascending, descending of display power supply power output.
Advantage of the present utility model:
1) because the inversion operating frequency is very high, and area of core section and the coil turn of main transformer greatly reduce, and can save to a great extent metal material, reduces appearance and size and weight, greatly reduce electric energy loss;
2) the utility model can be adjusted output current within the time of delicate level, can realize the desired desirable control procedure of welding process, the welding high conformity, and without short circuit, rosin joint phenomenon, without the welding of floating, welding effect is good.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
The specific embodiment
See also shown in the accompanying drawing, the utility model will be further described.
The utility model provides a kind of dc inversion formula pulse thermal compression welding power supply, the 380V AC power is connected with inverter module IGBT after bridge rectifier filtering, produce tens of KHz high frequency electrics, connect rectification circuit by several power diodes through output transformer again, export stably dc source as the source of welding current; The primary return of described output transformer is serially connected with the thermistor current sensor; The temperature data of current sensor perception is connected with the cpu chip of mainboard, and the mainboard cpu chip is connected with the drive circuit of inverter IGBT, this drive circuit control inverter IGBT power output.
The cpu chip of described mainboard is the connecting fluid crystal display screen also, the ascending, descending of display power supply power output.
The utility model adopts the converter technique of AC-DC-AC-DC, and time control reaches Millisecond precision, control response and control accuracy and greatly improves; Direct current output significantly improves welding procedure; Inversion transformation technique also makes equipment have the series of advantages such as small-sized, efficient energy-saving; The employing of microcontroller (MCU) and electronic technology makes this equipment possess the excellent functions of modern comfort, comprises digital control, monitoring, fault diagnosis and protection, transfer of data etc., and functions of the equipments are complete, flexible, adaptation is wide.This kind equipment is particularly suitable for spot welding, the spot welding of alloy material, the spot welding of precision component and the spot welding of high quality of products of the nonferrous materials such as copper, aluminium.
Claims (2)
1. dc inversion formula pulse thermal compression welding power supply, it is characterized in that: the 380V AC power is connected with inverter module IGBT after bridge rectifier filtering, produce tens of KHz high frequency electrics, through the rectification circuit of output transformer connection by several power diodes, the output DC source is as the source of welding current again; The primary return of described output transformer is serially connected with the thermistor current sensor; The temperature data of current sensor perception is connected with the cpu chip of mainboard, and the mainboard cpu chip is connected with the drive circuit of inverter IGBT, this drive circuit control inverter IGBT power output.
2. dc inversion formula pulse thermal compression welding power supply according to claim 1, it is characterized in that: the cpu chip of described mainboard is the connecting fluid crystal display screen also, the ascending, descending of display power supply power output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220481581 CN202780289U (en) | 2012-09-20 | 2012-09-20 | Direct-current contravariant pulse hot-pressure welding power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220481581 CN202780289U (en) | 2012-09-20 | 2012-09-20 | Direct-current contravariant pulse hot-pressure welding power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202780289U true CN202780289U (en) | 2013-03-13 |
Family
ID=47807628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220481581 Expired - Fee Related CN202780289U (en) | 2012-09-20 | 2012-09-20 | Direct-current contravariant pulse hot-pressure welding power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202780289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264244A (en) * | 2013-05-22 | 2013-08-28 | 广州市精源电子设备有限公司 | Thermal compression bonding power source |
| CN104047585A (en) * | 2013-03-13 | 2014-09-17 | 中国石油化工股份有限公司 | Pulse fracturing device and method |
-
2012
- 2012-09-20 CN CN 201220481581 patent/CN202780289U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047585A (en) * | 2013-03-13 | 2014-09-17 | 中国石油化工股份有限公司 | Pulse fracturing device and method |
| CN103264244A (en) * | 2013-05-22 | 2013-08-28 | 广州市精源电子设备有限公司 | Thermal compression bonding power source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150920 |
|
| EXPY | Termination of patent right or utility model |