CN202861647U - Electric welding machine safe power saving starting device - Google Patents
Electric welding machine safe power saving starting device Download PDFInfo
- Publication number
- CN202861647U CN202861647U CN 201220442377 CN201220442377U CN202861647U CN 202861647 U CN202861647 U CN 202861647U CN 201220442377 CN201220442377 CN 201220442377 CN 201220442377 U CN201220442377 U CN 201220442377U CN 202861647 U CN202861647 U CN 202861647U
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- switch
- welding machine
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- relay
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Abstract
The utility model discloses an electric welding machine safe power saving starting device which comprises a dual linked switch, a relay, a contactor, a fuse, a welding machine transformer, a welding gun, a unijunction transistor, a first stabilivolt, a second stabilivolt, a first capacitor, a second capacitor, a third capacitor, a first resistor, a second resistor and a third resistor. When an electric welding machine is used for welding, secondary of the welding machine transformer is conducted to a short circuit, voltage is reduced to about 0 volt, the relay is released by power-lossing, the contactor is absorbed after receiving electricity, and the welding machine is in the next step normal welding state. The electric welding machine safe power saving starting device has the advantages of being safe in operation, energy-saving, reliable, economic, convenient and practical due to few components, nature in operation and easy to work. The electric welding machine is in a power-off state when the electric welding machine is not used for welding, and thereby potential safety hazard is reduced caused by electrification of the electric welding machine without use, the defect of high power consumption of the electric welding machine is overcome due to the fact that a switch is turned on through no manual operation when the electric welding machine is used for welding, and working efficiency of the electric welding machine is further improved.
Description
Technical field
The utility model relates to a kind of electric welding machine auxiliary equipment, relates in particular to a kind of electric welding machine safety electricity-saving starting drive.
Background technology
The A.C. welder that uses at present adopts manual power switch more, and manual plugged when welding also keeps energising when the short time welds, cause many potential safety hazards, and cause unnecessary power consumption.
Summary of the invention
The purpose of this utility model provides a kind of electric welding machine safety electricity-saving starting drive with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises the Double-linkage switch, relay, contactor, fuse, electric welder transformer, welding gun, unijunction transistor, the first voltage-stabiliser tube, the second voltage-stabiliser tube, the first electric capacity, the second electric capacity, the 3rd electric capacity, the first resistance, the second resistance and the 3rd resistance, the first end of the first switch of described Double-linkage switch is connected with the live wire of AC power, the second end of the first switch of described Double-linkage switch simultaneously with the first end of the first normal open switch of described relay be connected the elementary first end of electric welder transformer and be connected, the first end of the second switch of described Double-linkage switch is connected with the zero line of described AC power, the second end of the second switch of described Double-linkage switch is connected with the first end of described fuse, the second end while of described fuse and the first end of described contactor, the first end of described the first electric capacity be connected the first end of contactor normal open switch and connect, the second end of described the first electric capacity simultaneously with the second end of described contactor normal open switch be connected the second elementary end of electric welder transformer and be connected, first end while and soldered object that described electric welder transformer is secondary, the positive pole of described the second voltage-stabiliser tube, the first end of described contactor normally closed switch be connected the first end of the second electric capacity and connect, secondary the second end of described electric welder transformer simultaneously with described welding gun be connected the positive pole of diode and be connected, the negative pole while of described diode and the second end of described the second electric capacity, the first end of described the first resistance be connected the first end of the second normally closed switch of relay and connect, the second end while of described the first resistance and the negative pole of described the first voltage-stabiliser tube, the first end of described the second resistance be connected the first end of the 3rd resistance and connect, the anodal while of described the first voltage-stabiliser tube and the negative pole of described the second voltage-stabiliser tube, the second end of described contactor normally closed switch, the first end of described the 3rd electric capacity be connected the first end of relay and connect, the second end of described relay simultaneously with the drain electrode of described unijunction transistor be connected the first end of relay the second normally closed switch and be connected, the second end of described the 3rd electric capacity simultaneously with the second end of described the second resistance be connected the source electrode of unijunction transistor and be connected, the second end of described the 3rd resistance is connected with the grid of described unipolar transistor.
The beneficial effects of the utility model are:
The utility model electric welding machine is off-position when not welding, having reduced electric welding machine does not have to use and charged potential safety hazard, and when welding, do not need the manual unlocking switch, and therefore reduced the high defective of consuming electric power of electric welding machine, also improved the operating efficiency of electric welding machine.
Description of drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: the utility model comprises Double-linkage switch QS, relay K A, contactor KM, fuse FU, electric welder transformer T, welding gun, unijunction transistor VT, the first voltage-stabiliser tube DW1, the second voltage-stabiliser tube DW2, the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the first resistance R 1, the second resistance R 2 and the 3rd resistance R 3, the first end of the first switch of Double-linkage switch QS is connected with the live wire of AC power, the first end that the second end while and the first end of the first normal open switch KA-1 of relay K A of the first switch of Double-linkage switch QS are connected with electric welder transformer T is connected, the first end of the second switch of Double-linkage switch QS is connected with the zero line of AC power, the second end of the second switch of Double-linkage switch QS is connected with the first end of fuse FU, the second end while of fuse FU and the first end of contactor KM, the first end of the first capacitor C 1 is connected first end and is connected with contactor KM normal open switch KM-1, the second end of the first capacitor C 1 is connected with the second end that the second end of contactor KM normal open switch KM-1 is connected with electric welder transformer T simultaneously, first end while and the soldered object of T level of electric welder transformer, the positive pole of the second voltage-stabiliser tube DW2, the first end of contactor KM normally closed switch KM-2 be connected the first end of capacitor C 2 and connect, the second end of electric welder transformer T time level simultaneously and welding gun be connected positive pole with diode VD and be connected, the negative pole while of diode VD and the second end of the second capacitor C 2, the first end of the first resistance R 1 is connected the first end of the second normally closed switch KA-2 and is connected with relay K A, the second end while of the first resistance R 1 and the negative pole of the first voltage-stabiliser tube DW1, the first end of the first end of the second resistance R 1 and the 3rd resistance R 3 connects, the anodal while of the first voltage-stabiliser tube DW1 and the negative pole of the second voltage-stabiliser tube DW2, the second end of contactor KM normally closed switch KM-2, the first end of the 3rd capacitor C 3 is connected first end and is connected with relay K A, the second end of relay K A simultaneously and the drain electrode of unijunction transistor VT be connected the first end of normally closed switch KA-2 with relay K A and be connected, the second end of the 3rd capacitor C 3 simultaneously and the second end of the second resistance R 2 be connected source electrode with unijunction transistor VT and be connected, the second end of the 3rd resistance R 3 is connected with the grid of unipolar transistor VT.
As shown in Figure 1: QS closes a switch, A.C. contactor KM coil gets electric adhesive, its normally closed switch KM-2 disconnects, normal open switch KM-1 is closed, the 220V alternating voltage is added in the elementary of welding transformer T, secondary induction goes out the about 80V of voltage, the first voltage-stabiliser tube DW1 and the second voltage-stabiliser tube DW2 are punctured, at the first voltage-stabiliser tube DW1 two ends output 20V DC voltage, and make unijunction transistor VT conducting, the 3rd capacitor C 3 makes relay K A adhesive to relay K A discharge, and its first normally closed switch KA-1 and the second normally closed switch KA-2 disconnect, A.C. contactor KM coil discharges without electricity, the 220V AC power reduces the electric welder no-load electric current by the first capacitor C 1 and the elementary connection of electric welding machine greatly, is the purpose that electric welding machine plays economize on electricity.At this moment electric welder transformer T secondary voltage is down to about 11.5V, and this voltage provides DC voltage for after diode VD rectification, 2 filtering of the second capacitor C relay K A, is that KA keeps attracting state.During welding, T level of welding transformer is by short circuit, and voltage is down to about 0V, and relay K A dead electricity discharges, and contactor KM gets electric adhesive, and electric welding machine enters next step normal welded condition.In operation safer energy-conservation reliable, adopt element few, not only economy but also convenient and practical, the operation nature works together freely the hand of must being in a good mood.
Claims (1)
1. electric welding machine safety electricity-saving starting drive, it is characterized in that: comprise the Double-linkage switch, relay, contactor, fuse, electric welder transformer, welding gun, unijunction transistor, the first voltage-stabiliser tube, the second voltage-stabiliser tube, the first electric capacity, the second electric capacity, the 3rd electric capacity, the first resistance, the second resistance and the 3rd resistance, the first end of the first switch of described Double-linkage switch is connected with the live wire of AC power, the second end of the first switch of described Double-linkage switch simultaneously with the first end of the first normal open switch of described relay be connected the elementary first end of electric welder transformer and be connected, the first end of the second switch of described Double-linkage switch is connected with the zero line of described AC power, the second end of the second switch of described Double-linkage switch is connected with the first end of described fuse, the second end while of described fuse and the first end of described contactor, the first end of described the first electric capacity be connected the first end of contactor normal open switch and connect, the second end of described the first electric capacity simultaneously with the second end of described contactor normal open switch be connected the second elementary end of electric welder transformer and be connected, first end while and soldered object that described electric welder transformer is secondary, the positive pole of described the second voltage-stabiliser tube, the first end of described contactor normally closed switch be connected the first end of the second electric capacity and connect, secondary the second end of described electric welder transformer simultaneously with described welding gun be connected the positive pole of diode and be connected, the negative pole while of described diode and the second end of described the second electric capacity, the first end of described the first resistance be connected the first end of the second normally closed switch of relay and connect, the second end while of described the first resistance and the negative pole of described the first voltage-stabiliser tube, the first end of described the second resistance be connected the first end of the 3rd resistance and connect, the anodal while of described the first voltage-stabiliser tube and the negative pole of described the second voltage-stabiliser tube, the second end of described contactor normally closed switch, the first end of described the 3rd electric capacity be connected the first end of relay and connect, the second end of described relay simultaneously with the drain electrode of described unijunction transistor be connected the first end of relay the second normally closed switch and be connected, the second end of described the 3rd electric capacity simultaneously with the second end of described the second resistance be connected the source electrode of unijunction transistor and be connected, the second end of described the 3rd resistance is connected with the grid of described unipolar transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442377 CN202861647U (en) | 2012-09-03 | 2012-09-03 | Electric welding machine safe power saving starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442377 CN202861647U (en) | 2012-09-03 | 2012-09-03 | Electric welding machine safe power saving starting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202861647U true CN202861647U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220442377 Expired - Fee Related CN202861647U (en) | 2012-09-03 | 2012-09-03 | Electric welding machine safe power saving starting device |
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| Country | Link |
|---|---|
| CN (1) | CN202861647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659061A (en) * | 2012-09-03 | 2014-03-26 | 成都玺汇科技有限公司 | Electric welding machine safe electricity-saving starting device |
-
2012
- 2012-09-03 CN CN 201220442377 patent/CN202861647U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659061A (en) * | 2012-09-03 | 2014-03-26 | 成都玺汇科技有限公司 | Electric welding machine safe electricity-saving starting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: YUNNAN HANGONG STEEL STRUCTURE PROJECT CO., LTD. Assignor: Chengdu Xihui Technology Co., Ltd. Contract record no.: 2013530000075 Denomination of utility model: Electric welding machine safe electricity-saving starting device Granted publication date: 20130410 License type: Exclusive License Record date: 20130715 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20140903 |
|
| EXPY | Termination of patent right or utility model |