CN201572992U - No-load automatic stop power-saving controller of electric welding machine - Google Patents
No-load automatic stop power-saving controller of electric welding machine Download PDFInfo
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- CN201572992U CN201572992U CN2010200410380U CN201020041038U CN201572992U CN 201572992 U CN201572992 U CN 201572992U CN 2010200410380 U CN2010200410380 U CN 2010200410380U CN 201020041038 U CN201020041038 U CN 201020041038U CN 201572992 U CN201572992 U CN 201572992U
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- bridge rectifier
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Abstract
The utility model discloses a no-load automatic stop power-saving controller of an electric welding machine, a circuit formed by series connection of a coil of an alternating current contactor and a normally open contact of a relay is connected between lead wires at two ends of a primary coil of a 5W transformer in parallel, the part between the two ends of a secondary coil of the transformer is connected on a bridge rectifier circuit consisting of four diodes, a relay circuit, a filtering electrolytic capacitor and a branch circuit formed by series connection of a voltage dropping resistor R and a light emitting diode LED are respectively connected between conducting wires of a positive pole and a negative pole of the bridge rectifier circuit, and then a three-terminal voltage regulator is connected with an NE555 integrated block time-base circuit and a photoresistor circuit in the bridge rectifier circuit. The no-load automatic stop power-saving controller can achieve the automatic power outage when the electric welding machine is in light radiation through a photoresistor and a control circuit thereof, and the power-on working can be carried out by holding the photoresistor with the hand, thereby not only saving consumption of electrical energy, but also prolonging the service life of the electric welding machine.
Description
Technical field:
The utility model relates to electric welding, the no-load automatic stop electricity-saving controller that uses on particularly a kind of AC-DC welder.
Background technology:
The present following AC-DC welder of 500 types still has the electric current of 0.2-18A to exist when in use unloaded, not only waste electric energy, also has unsafe factor, as some electric elements is generated heat for a long time, not only increases operating cost and reduction of service life.
Summary of the invention:
The purpose of this utility model provides a kind of saving electric energy that has, and reduces operating cost, helps improving the electric welding machine electric welder no-load automatic stop electricity-saving controller in service life.
The technical solution of the utility model solves as follows, it includes a transformer, it is characterized in that: between the two ends lead-out wire of the primary coil N1 of transformer T, be parallel with a circuit of connecting with relay normally open point by ac contactor coil, 12V alternating current one end of the secondary coil of transformer is connected to lead on the positive pole of the negative pole of diode VD1 of a bridge rectifier of being made up of four diodes and diode VD4, the 12V alternating current other end is connected on the diode VD2 negative pole and diode VD3 positive pole of bridge rectifier with lead, the 12V voltage output cathode of bridge rectifier is connected the end of a 12V.6A DC relay coil J2-1 through lead, be connected on the cathode conductor of bridge rectifier the normal battle that the other end of relay coil is serially connected with a 9V.7A DC relay behind the J1-2, between the both positive and negative polarity lead of bridge rectifier, also be connected with an electrolytic capacitor filter C2 and a parallel circuit of connecting with a LED by dropping resistor R, then the positive wire of bridge rectifier is connected on a end of one 7809 three terminal regulator, the c end ground connection of three terminal regulator or the cathode conductor of access bridge rectifier, b end output 9V DC voltage is connected on reset terminal 4 pin and power voltage terminal 8 pin and photo resistance RG one end of a NE555 integrated package respectively by lead, the other end of photo resistance connects threshold value input 6 pin of NE555 integrated package respectively, the end of trigger end 2 pin and adjustable resistance RP1, be connected on the negative pole circuit of bridge rectifier after the other end of adjustable resistance RP1 and the adjustable resistance RP2 serial connection, earth terminal 1 pin of NE555 integrated package is connected on the negative line of bridge rectifier, circuit output end 3 pin are connected on the positive pole of an electrochemical capacitor C1 and the positive pole of a diode VD5 respectively, the negative pole of electrochemical capacitor C1 is connected on the negative line of bridge rectifier, is connected on the bridge rectifier negative line behind relay coil J1-1 of the negative pole of diode VD5 serial connection.The utility model reaches electric welding machine by photo resistance and control circuit thereof and has a power failure automatically when illumination is arranged, and carries out energising work when holding photo resistance, has both saved power consumption, is beneficial to the life-span that prolongs electric welding machine again.
Description of drawings:
Fig. 1 is an electrical block diagram of the present utility model.
Among the figure, T is a transformer, N1 is the primary coil of transformer, N2 is the secondary coil of transformer, QC1 is an ac contactor coil, J2-2 is the normally opened contact of 9V7A DC relay, four diodes of bridge rectifier are respectively VD1, VD2, VD3, VD4, both positive and negative polarity usefulness+,-number expression, J2-1 is a 12V6A DC relay coil, J1-2 is 12V, 6A relay normally open point, C2 is an electrolytic capacitor filter, and R is a dropping resistor, and LED is a light emitting diode, 7809 is three terminal regulator, a, b, c is three terminals of 7809 three terminal regulators, and C1 is an electrochemical capacitor, and VD5 is a diode, J1-1 is the 9V.6A relay coil, base integrated package when NE555 is, each termination stitch of its integrated package is respectively 1 earth terminal, 2 trigger ends, 3 circuit output ends, 4 reset terminals, 6 threshold value inputs, 8 power voltage terminals, RG is photo resistance, and RP1 and RP2 are respectively adjustable resistance.
The specific embodiment:
As shown in Figure 1, the utility model is to be parallel with a circuit of being connected with a 12V6A relay normally open point J2-2 by ac contactor coil QC1 between the lead-out wire of the 380V two ends of the primary coil N1 of 5 watts of transformer T, be connected to lead at 12V alternating current one end of the secondary coil N2 of transformer on the positive pole of the negative pole of diode VD1 of a bridge rectifier of forming by four 1N4007 diodes and diode VD4, the other end of 12V alternating current is connected on the positive pole of the diode VD2 negative pole of bridge rectifier and diode VD3 with lead, the 12V positive polarity of bridge rectifier is connected the end of a 12V6A DC relay coil J2-1 through lead, the other end of relay coil J2-1 is serially connected with a 9V7V DC relay and often makes war and be connected on the negative line of bridge rectifier behind the J1-2, between the both positive and negative polarity lead of bridge rectifier, also be connected with a 50470uf electrolytic capacitor filter C2 and a parallel circuit of connecting with a LED by 2.4K dropping resistor R, then the positive pole of bridge rectifier is connected a end of one 7809 three terminal regulator, the C termination of three terminal regulator is gone into the negative line of bridge rectifier, b end output 9V DC voltage is connected on reset terminal 4 pin and power voltage terminal 8 pin and photo resistance RG one end of a NE555 integrated package respectively by lead, the other end of photo resistance connects threshold value input 6 pin of NE555 integrated package respectively, the end of trigger end 2 pin and adjustable resistance RP 1, be connected on the negative line of bridge rectifier after the other end of adjustable resistance RP 1 and the adjustable resistance RP2 serial connection, earth terminal 1 pin of NE555 integrated package is connected on the negative line of bridge rectifier, circuit output end 3 pin are connected to the positive pole of a 1uf50V electrochemical capacitor C1 and the positive pole of a 1N4007 diode VD5, the negative pole of electrochemical capacitor C1 is connected on the negative line of bridge rectifier, is connected on the bridge rectifier negative line behind 9V6A relay coil J1-1 of the negative pole of diode VD5 serial connection.The utility model when mounted, the circuit board that transformer and integrated package and other electric elements are formed is fixed on a chest or the fixed head, and photo resistance is got final product with the place of holding that transparent rubberized fabric is fixed on electrode holder.During work, the primary coil N1 two ends of transformer T are connected the 380V power supply, the photo resistance that grasps on the electrode holder can be welded, and unclamps electrode holder photo resistance is exposed, and can stop power supply automatically, reaches purpose of saving.
Claims (1)
1. electric welder no-load automatic stop electricity-saving controller, it includes a transformer, it is characterized in that: between the two ends lead-out wire of the primary coil N1 of transformer T, be parallel with a circuit of connecting with relay normally open point by ac contactor coil, 12V alternating current one end of the secondary coil of transformer is connected to lead on the positive pole of the negative pole of diode VD1 of a bridge rectifier of being made up of four diodes and diode VD4, the 12V alternating current other end is connected on the diode VD2 negative pole and diode VD3 positive pole of bridge rectifier with lead, the 12V voltage output cathode of bridge rectifier is connected the end of a 12V.6A DC relay coil J2-1 through lead, be connected on the cathode conductor of bridge rectifier the normal battle that the other end of relay coil is serially connected with a 9V.7A DC relay behind the J1-2, between the both positive and negative polarity lead of bridge rectifier, also be connected with an electrolytic capacitor filter C2 and a parallel circuit of connecting with a LED by dropping resistor R, then the positive wire of bridge rectifier is connected on a end of one 7809 three terminal regulator, the c end ground connection of three terminal regulator or the cathode conductor of access bridge rectifier, b end output 9V DC voltage is connected on reset terminal 4 pin and power voltage terminal 8 pin and photo resistance RG one end of a NE555 integrated package respectively by lead, the other end of photo resistance connects threshold value input 6 pin of NE555 integrated package respectively, the end of trigger end 2 pin and adjustable resistance RP1, be connected on the negative pole circuit of bridge rectifier after the other end of adjustable resistance RP1 and the adjustable resistance RP2 serial connection, earth terminal 1 pin of NE555 integrated package is connected on the negative line of bridge rectifier, circuit output end 3 pin are connected on the positive pole of an electrochemical capacitor C1 and the positive pole of a diode VD5 respectively, the negative pole of electrochemical capacitor C1 is connected on the negative line of bridge rectifier, is connected on the bridge rectifier negative line behind relay coil J1-1 of the negative pole of diode VD5 serial connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200410380U CN201572992U (en) | 2010-01-01 | 2010-01-01 | No-load automatic stop power-saving controller of electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200410380U CN201572992U (en) | 2010-01-01 | 2010-01-01 | No-load automatic stop power-saving controller of electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201572992U true CN201572992U (en) | 2010-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200410380U Expired - Fee Related CN201572992U (en) | 2010-01-01 | 2010-01-01 | No-load automatic stop power-saving controller of electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201572992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254748A (en) * | 2011-05-13 | 2011-11-23 | 张洪海 | Optical control switch technical method |
| CN102528230A (en) * | 2011-12-20 | 2012-07-04 | 浙江武义旺峰工具有限公司 | Intelligent gas shielded welding converter |
-
2010
- 2010-01-01 CN CN2010200410380U patent/CN201572992U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254748A (en) * | 2011-05-13 | 2011-11-23 | 张洪海 | Optical control switch technical method |
| CN102528230A (en) * | 2011-12-20 | 2012-07-04 | 浙江武义旺峰工具有限公司 | Intelligent gas shielded welding converter |
| CN102528230B (en) * | 2011-12-20 | 2014-10-01 | 浙江旺峰电器有限公司 | Intelligent gas shielded welding converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20140101 |