CN202963743U - Digital inverter welding machine and main circuit system of the same - Google Patents
Digital inverter welding machine and main circuit system of the same Download PDFInfo
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- CN202963743U CN202963743U CN 201220648156 CN201220648156U CN202963743U CN 202963743 U CN202963743 U CN 202963743U CN 201220648156 CN201220648156 CN 201220648156 CN 201220648156 U CN201220648156 U CN 201220648156U CN 202963743 U CN202963743 U CN 202963743U
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Abstract
The utility model relates to a digital inverter welding machine, in particular to the digital inverter welding machine and a main circuit system of the digital inverter welding machine, wherein the digital inverter welding machine can be energy-saving in a standby mode, is convenient to operate and can control automatically. The main circuit system of the digital inverter welding machine comprises a digital main control chip (1), a power frequency power supply (2), an LC filter (3), an input rectifying circuit (4), a filter circuit (5), an insulated gate bipolar transistor (IGBT) inverter circuit (6), a power transformer (7), an input rectifying circuit (8), an output terminal (9) and an IGBT drive circuit (10), wherein the power frequency power supply (2), the LC filter (3), the input rectifying circuit (4), the filter circuit (5), the insulated gate bipolar transistor (IGBT) inverter circuit (6), the power transformer (7), the input rectifying circuit (8) and the output terminal (9) are sequentially connected, and the IGBT drive circuit (10) is used for controlling the IGBT inverter circuit (6). A power supply transistor (11) is connected on an output end of the power frequency power supply (2), and is connected with the output terminal (9) through a rectifying circuit (12). The digital inverter welding machine and the main circuit system of the digital inverter welding machine have the advantages of being reasonable is design, ingenious in structure, energy-saving in empty load, simple to realize, stable, reliable, efficient and environment-friendly.
Description
Technical field
The utility model relates to a kind of digital inverter type welder, is specially a kind of digital inverter type welder and main circuit system thereof.
Background technology
Welding is as a kind of important processing technology, has been widely used in national economy each department.According to statistics, half of whole world output of steel all needs welding processing, just can practical application.The capital equipment of welding is exactly electric welding machine, and wherein the inverter arc welding welding machine is the welding method that is most widely used at present.Electric welding machine is that the high-temperature electric arc that utilizes positive and negative polarities to produce when instantaneous short circuit comes scolder and the materials to be welded on consumable electrode, reaches the purpose that makes their combinations, and structure is very simple, and actual is exactly a powerful transformer.Existing welding machine is all to utilize secondary side to produce the large electric current that continues to melt welding rod realization welding, and power all more than 10KW, is listed in one of China's 12 large energy consumption equipments, and the annual electric weight that consumes accounts for 0.5% left and right of national generating capacity.Electric welding machine in actual use, most times all are in Light Condition.Because in actual use, electric welding machine is often because various needs are in gap state, in operating process, the gekko that the operator will complete a job need to coordinate many back works, because the positional distance electric welding machine of welder power gauge tap has suitable distance, can not cut off the AC power of electric welding machine during the intermediary operation that therefore welds again, so in considerable situation, the idle time of electric welding machine or perhaps stand-by time all can significantly surpass the operating time.Add, in most enterprises, electric welding machine is all to exist as a kind of auxiliary repair apparatus, and therefore most time substantially all is in holding state.It seems from above situation, the base regime of electric welding machine is exactly standby, is also the source of main power consumption, makes the power factor of welding machine little.Existing employing mechanical switch treat machine technology, to realize by a fine motion mechanical switch is installed on the electrode holder of manual welding machine, but be to press microswitch in operation, long work seems inconvenience very also maloperation may occur always.
The utility model content
The utility model provides a kind of and can realize stand-by energy-saving for problems of the prior art, and is easy to operate, digital inverter type welder and the main circuit system thereof automatically controlled.
The main circuit system of the utility model numeral inverter type welder, comprise digital Master control chip 1, the power frequency supply 2 that connects successively, LC wave filter 3, input rectification circuit 4, filter circuit 5, IGBT inverter circuit 6, power transformer 7, output rectification circuit 8 and lead-out terminal 9, and be connected to the IGBT drive circuit 10 that is used for controlling IGBT inverter circuit 6 on digital Master control chip 1; It is characterized in that, also be connected with power transformer 11 on the output of described power frequency supply 2, and be connected with lead-out terminal 9 by power rectifier circuit 12.
Further, be provided with the sample circuit 13 that is connected with digital Master control chip 1 on the output of described output rectification circuit 8.
Further, described digital Master control chip 1 adopts digital signal controller.
Further, described power transformer 7 adopts ferrite transformer.
The utility model also provides a kind of digital inverter type welder, it is characterized in that, comprises above-described any one main circuit system.
The utility model numeral inverter type welder and main circuit control system thereof, the standby power when providing unloaded by the power transformer 11 that directly arranges from power frequency supply 2 for lead-out terminal 9 has been saved the power consumption of wasting because of unloaded standby greatly; Coordinate simultaneously sample circuit 13 and digital Master control chip 1 can realize automatic control to main circuit system, and reduced greatly the use of circuit elements device, also reduced energy consumption; Utilize the ferrite transformer that arranges realizing having dwindled volume under the prerequisite of its function, improved efficient; Its beneficial effect is, reasonable in design, structure is ingenious, and empty load energy-saving is easy to use, realize simple, reliable and stable, high-efficiency environment friendly.
Description of drawings
Fig. 1 is the structural principle block diagram described in the utility model example.
In figure: digital Master control chip 1, power frequency supply 2, LC wave filter 3, input rectification circuit 4, filter circuit 5, IGBT inverter circuit 6, power transformer 7, output rectification circuit 8, lead-out terminal 9, IGBT drive circuit 10, power transformer 11, power rectifier circuit 12, sample circuit 13.
The specific embodiment
Below in conjunction with example, the utility model further is described and illustrates.
the main circuit system of the utility model numeral inverter type welder, as shown in Figure 1, comprise digital Master control chip 1, the power frequency supply 2 that connects successively, LC wave filter 3, input rectification circuit 4, filter circuit 5, IGBT inverter circuit 6, power transformer 7, output rectification circuit 8 and lead-out terminal 9, and be connected on digital Master control chip 1 for the IGBT drive circuit 10 of controlling IGBT inverter circuit 6, power frequency supply 2 provides supply of electric power for main circuit system, then by after the filter rectification inversion, again after power transformer 7 step-downs, exported from lead-out terminal 9 by output rectification circuit 8 rectifications, wherein, as shown in Figure 1, also be connected with power transformer 11 on the output of power frequency supply 2, and be connected with lead-out terminal 9 by power rectifier circuit 12, for lead-out terminal 9 provides unloaded power supply when the unloaded standby, thereby avoided the power consumption of whole main circuit system when standby, saved greatly electric energy.
Wherein, as shown in Figure 1, be provided with the sample circuit 13 that is connected with digital Master control chip 1 on the output of output rectification circuit 8; Numeral Master control chip 1 adopts digital signal controller; Power transformer 7 adopts ferrite transformer; Carry out the feedback of voltage and current data by sample circuit 13, thereby the judgement main circuit system is in duty or holding state, during duty, control 10 pairs of IGBT inverter circuits 6 of IGBT drive circuit by digital main control chip 1 and control, required power supply supply when obtaining work; When standby, cut off driving to IGBT inverter circuit 6 by digital main control chip 1, thereby the operating circuit of welding machine is disconnected, thereby unloaded power supply provides standby power for lead-out terminal 9, simple and easy to use.
The utility model numeral inverter type welder comprises above-described main circuit system.
Claims (5)
1. the main circuit system of digital inverter type welder, comprise digital Master control chip (1), the power frequency supply (2) that connects successively, LC wave filter (3), input rectification circuit (4), filter circuit (5), IGBT inverter circuit (6), power transformer (7), output rectification circuit (8) and lead-out terminal (9), and be connected to the upper IGBT drive circuit (10) that is used for controlling IGBT inverter circuit (6) of digital Master control chip (1); It is characterized in that, also be connected with power transformer (11) on the output of described power frequency supply (2), and be connected with lead-out terminal (9) by power rectifier circuit (12).
2. the main circuit system of digital inverter type welder as claimed in claim 1, is characterized in that, is provided with the sample circuit (13) that is connected with digital Master control chip (1) on the output of described output rectification circuit (8).
3. the main circuit system of digital inverter type welder as claimed in claim 1 or 2, is characterized in that, described digital Master control chip (1) adopts digital signal controller.
4. the main circuit system of digital inverter type welder as claimed in claim 1 or 2, is characterized in that, described power transformer (7) adopts ferrite transformer.
5. digital inverter type welder, is characterized in that, comprises any one main circuit system described in above claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220648156 CN202963743U (en) | 2012-11-30 | 2012-11-30 | Digital inverter welding machine and main circuit system of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220648156 CN202963743U (en) | 2012-11-30 | 2012-11-30 | Digital inverter welding machine and main circuit system of the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202963743U true CN202963743U (en) | 2013-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220648156 Expired - Fee Related CN202963743U (en) | 2012-11-30 | 2012-11-30 | Digital inverter welding machine and main circuit system of the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202963743U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386535A (en) * | 2013-07-12 | 2013-11-13 | 深圳华意隆电气股份有限公司 | Digitized inverter welding machine |
| CN104014915A (en) * | 2014-07-01 | 2014-09-03 | 无锡洲翔成套焊接设备有限公司 | Digital twin-wire submerged arc welding machine |
-
2012
- 2012-11-30 CN CN 201220648156 patent/CN202963743U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386535A (en) * | 2013-07-12 | 2013-11-13 | 深圳华意隆电气股份有限公司 | Digitized inverter welding machine |
| CN103386535B (en) * | 2013-07-12 | 2015-02-11 | 深圳华意隆电气股份有限公司 | Digitized inverter welding machine |
| CN104014915A (en) * | 2014-07-01 | 2014-09-03 | 无锡洲翔成套焊接设备有限公司 | Digital twin-wire submerged arc welding machine |
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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: 20130605 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |