CN205218268U - No -load economizer for electric welding machine - Google Patents
No -load economizer for electric welding machine Download PDFInfo
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- CN205218268U CN205218268U CN201521009482.3U CN201521009482U CN205218268U CN 205218268 U CN205218268 U CN 205218268U CN 201521009482 U CN201521009482 U CN 201521009482U CN 205218268 U CN205218268 U CN 205218268U
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- welding machine
- time relay
- transformer
- electric welding
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Abstract
The utility model discloses electric welding technical field more specifically, relates to a no -load economizer for electric welding machine, the device can automatic circular telegram work when the contact of electrode holder and welding rod, auto -power -off when long -time out of work, including welding machine, electrode holder and work piece, be provided with transformer, integrated protection ware DZB, ac contactor KM1, ac contactor KM2, auxiliary relay KA, time relay KT1 and time relay KT2 in the welding machine, the welding machine is connected with the power through transformer and integrated protection ware DZB respectively, ac contactor KM2 is connected with auxiliary relay KA, time relay KT1 and time relay KT2 respectively, ac contactor KM1 is connected with auxiliary relay KA, time relay KT2 respectively, looping in the ground wire of line and work piece through ac contactor KM1 and auxiliary relay KA and transformer of electrode holder, the utility model discloses mainly be applied to in the aspect of the electric welding.
Description
Technical field
The utility model electric welding machine technical field, more specifically, relates to a kind of no-load economizer for electric welding machine.
Background technology
After welder power is connected, be all generally discontinuous, when electric welding machine does not work, electric welding machine is in unloaded power consumption state, waste electric energy; Do not work for a long time, need people to operate a switch and close a floodgate, energising in 24 hours when forgetting to draw, waste electric energy; And ground wire and easy for line short circuit, severe patient burns out motor.Therefore, be necessary to make improvements.
Utility model content
In order to overcome in prior art existing deficiency, provide a kind of no-load economizer for electric welding machine, this device can be energized when electrode holder contacts with welding rod work automatically, auto-breaking when not working for a long time.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
Electric welder no-load device, comprise welding machine, electrode holder and workpiece, described welding machine is by being connected line with electrode holder, described electrode holder can with absorption surface, transformer is provided with in described welding machine, comprehensive protection device DZB, A.C. contactor KM1, A.C. contactor KM2, auxiliary reclay KA, time relay KT1 and time relay KT2, described welding machine is connected with power supply with comprehensive protection device DZB respectively by transformer, described comprehensive protection device DZB is connected with power supply by A.C. contactor KM2, described A.C. contactor KM2 respectively with auxiliary reclay KA, time relay KT1 is connected with time relay KT2, described A.C. contactor KM1 respectively with auxiliary reclay KA, time relay KT2 connects, described auxiliary reclay KA is connected with time relay KT2, described time relay KT1 is connected with comprehensive protection device DZB, described electrode holder the ground wire of line and workpiece is formed loop by A.C. contactor KM1 and auxiliary reclay KA and transformer.
Described transformer is 36V transformer.
The rated current of described A.C. contactor KM1 is 100A, and the rated current of described A.C. contactor KM2 is 40A-60A.
It is 1 second that described time relay KT1 sets time delay, and it is 30 seconds that described time relay KT2 sets time delay.
The beneficial effect that compared with prior art the utility model has is:
After this device switches on power, when picking up electrode holder and absorption surface, electric welding machine is turn-on power immediately, is convenient to welding job, when welding rod leaves, according to the time electric welding machine meeting auto-breaking arranged, avoid the long-time unloaded power consumption of electric welding machine, saved electric power, ensured safety, extend again the service life of electric welding machine, and effectively improve the power factor of electrical network.
Accompanying drawing explanation
Below by accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is circuit connection diagram of the present utility model.
In figure: 1 be welding machine, 2 be electrode holder, 3 be workpiece, 4 be transformer, 5 be comprehensive protection device DZB, 6 be A.C. contactor KM1,7 be A.C. contactor KM2,8 be auxiliary reclay KA, 9 be time relay KT1,10 for time relay KT2.
Detailed description of the invention
The utility model will be further described by reference to the accompanying drawings for embodiment below.
Principle of the present utility model is: after this device switches on power, and when welding rod and absorption surface, 36V safe voltage divides two-way to enter contactor and delay controller.A.C. contactor is made to treat electric adhesive.By contactor conducting 100A main contactor while electric welding machine energising; start and just can start welding job, stable in order to not stop continuously welding, obtain overload guard signal from comprehensive protection device induction and enter execution part and pass through delay switch; guarantee the energy continuous operation when welding, the starting the arc is stablized.When welding rod be soldered leave time, delay switch can not get induced signal, at this moment switch (this time is adjustable according to actual conditions) release A.C. contactor within the time of setting, and power-off when making electric welder no-load, reduces open circuit loss.
As depicted in figs. 1 and 2, after main power source is connected, 36V transformer is started working, and when electrode holder is by welding rod and absorption surface, 36V voltage arrives electrode holder through KM1 and workpiece forms loop, and KM1 and KA auxiliary reclay forms loop.KA obtains and electricly makes the conducting of KA contact, electric KM1 adhesive is made through KT2 normally-closed contact conducting KM1 coil, thus make KM1 normally closed disconnection KM1 often open self-locking, the adhesive of KM1 main contacts, connect electrode holder line and workpiece ground wire, within the time of setting, KA conducting makes KM2 conducting KT1, KT1 obtains and electricly makes the normal opening and closing of KT1 close conducting KM2, KM2 obtains electric adhesive, and that KM2 is often made war is closed, electric current obtains electric to DZB normally closed some conducting KT2 coil through KT2 is normally closed, makes KM2 obtain electric self-locking, main contact adhesive conducting 380V power supply, through protector, electric welding machine is energized, normally works; When quitting work, KT2 power-off within the time of setting, quit work, the time delay of this time can arbitrarily regulate.This device is specially adapted to that 380V is single-phase, three-phase or three-phase and four-line electric welding machine.
Claims (4)
1. no-load economizer for electric welding machine, comprise welding machine (1), electrode holder (2) and workpiece (3), described welding machine (1) is by being connected line with electrode holder (2), described electrode holder (2) can contact with workpiece (3), it is characterized in that: in described welding machine (1), be provided with transformer (4), comprehensive protection device DZB(5), A.C. contactor KM1(6), A.C. contactor KM2(7), auxiliary reclay KA(8), time relay KT1(9) and time relay KT2(10), described welding machine (1) is respectively by transformer (4) and comprehensive protection device DZB(5) be connected with power supply, described comprehensive protection device DZB(5) by A.C. contactor KM2(7) be connected with power supply, described A.C. contactor KM2(7) respectively with auxiliary reclay KA(8), time relay KT1(9) with time relay KT2(10) be connected, described A.C. contactor KM1(6) respectively with auxiliary reclay KA(8), time relay KT2(10) connect, described auxiliary reclay KA(8) with time relay KT2(10) be connected, described time relay KT1(9) with comprehensive protection device DZB(5) be connected, described electrode holder (2) the ground wire of line and workpiece (3) by A.C. contactor KM1(6) and auxiliary reclay KA(8) and transformer (4) form loop.
2. no-load economizer for electric welding machine according to claim 1, is characterized in that: described transformer (4) is 36V transformer.
3. no-load economizer for electric welding machine according to claim 1, is characterized in that: described A.C. contactor KM1(6) rated current be 100A, described A.C. contactor KM2(7) rated current be 40A-60A.
4. no-load economizer for electric welding machine according to claim 1, is characterized in that: described time relay KT1(9) to set time delay be 1 second, described time relay KT2(10) to set time delay be 30 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521009482.3U CN205218268U (en) | 2015-12-08 | 2015-12-08 | No -load economizer for electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521009482.3U CN205218268U (en) | 2015-12-08 | 2015-12-08 | No -load economizer for electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205218268U true CN205218268U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521009482.3U Active CN205218268U (en) | 2015-12-08 | 2015-12-08 | No -load economizer for electric welding machine |
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| Country | Link |
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| CN (1) | CN205218268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077895A (en) * | 2016-06-29 | 2016-11-09 | 张超 | Welding machine energy-saving circuit |
| CN111889850A (en) * | 2020-07-31 | 2020-11-06 | 中国一冶集团有限公司 | Power supply control system of alternating current welding machine |
-
2015
- 2015-12-08 CN CN201521009482.3U patent/CN205218268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077895A (en) * | 2016-06-29 | 2016-11-09 | 张超 | Welding machine energy-saving circuit |
| CN111889850A (en) * | 2020-07-31 | 2020-11-06 | 中国一冶集团有限公司 | Power supply control system of alternating current welding machine |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Chen Jia Ying Cun 035407 River in Shanxi city of Xinzhou province Dingxiang County town Patentee after: Shanxi Guanli flange Co.,Ltd. Address before: Chen Jia Ying Cun 035407 River in Shanxi city of Xinzhou province Dingxiang County town Patentee before: SHANXI GUANLI FLANGE Co.,Ltd. |