CN2698507Y - Dual voltage rectifier type energy-saving electric welding machine - Google Patents
Dual voltage rectifier type energy-saving electric welding machine Download PDFInfo
- Publication number
- CN2698507Y CN2698507Y CN 200420065467 CN200420065467U CN2698507Y CN 2698507 Y CN2698507 Y CN 2698507Y CN 200420065467 CN200420065467 CN 200420065467 CN 200420065467 U CN200420065467 U CN 200420065467U CN 2698507 Y CN2698507 Y CN 2698507Y
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- voltage
- welding machine
- transformer
- electric welding
- secondary coil
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Abstract
The utility model discloses a dual voltage rectifier type energy-saving electric welding machine. A first coil of a transformer is connected with a power supply, and a secondary coil of the transformer is connected with a current regulator connected with a voltage-doubler circuit connected with the output terminal of the secondary coil of the transformer. The no-load voltage of the arc welding machine is low, and open circuit losses are few. Because of the use of the voltage-doubler circuit, a relatively higher striking voltage is arranged in the output terminal, and an arc strike can be conducted normally. When the electric arc burns, which is in a normal welding, the electric voltage in a steep descent to 1/3-1/2 of the electric voltage in the arc strike, and the output power is made lower. Accordingly, the energy is saved. Compared with the existing arc welding machine in the market, 40%-70% of energy can be save by the utility model. Because that the striking voltage can be selected, when a working environment is damp, it is much safer to select a lower electric voltage which is 2 times than the normal working voltage to conduct the arc strike. The dual voltage rectifier type energy-saving electric welding machine provided with low cost and simple structure is easy to generalize.
Description
Technical field the utility model relates to a kind of energy-saving electric welding machine, is a kind of voltage multiplying rectifier formula energy-saving electric welding machine specifically.
The present silicon rectifier electric welding machine of background technology is made up of several parts such as three-phase transformer, magnetic saturation reactor, rectifier and out put reactors, magnetic saturation reactor is equivalent to very big inductance, not having the welding electric current when unloaded passes through, therefore can not produce pressure drop, the floating voltage that power supply output is higher, about 90V, because of floating voltage is directly proportional with the capacity of electric welding machine, floating voltage is high more, and the capacity of electric welding machine is big more, and it is higher to consume energy.
The summary of the invention the purpose of this utility model is to provide a kind of voltage multiplying rectifier formula energy-saving electric welding machine, its good energy-conserving effect, and cost is low.
The technical solution of the utility model is as follows:
This electric welding machine is that the primary coil of transformer is connected with power supply, and the secondary coil of transformer connects rectifier, and this rectifier connects voltage-multiplying circuit, and voltage-multiplying circuit connects the secondary coil output of transformer.
Above-mentioned electric welding machine is the primary coil L of transformer B
1, L
2, L
3Through transfer switch K
1Connect power supply, the secondary coil L of transformer
4, L
5, L
6An end meet half-wave rectifier D respectively
1, D
2, D
3, the other end has 2～7 taps respectively, and this end is through output voltage selector switch K
3Connect output, half-wave rectifier D
1, D
2, D
3, also connect output; Above-mentioned rectifier connects by capacitor C, diode D
4, D
5The voltage-multiplying circuit of forming, the secondary coil L of transformer
6A termination capacitor C, this electric capacity connects a multiplication of voltage selector switch K
2
Advantage of the present utility model is: 1, the floating voltage of this electric welding machine is low, is 26～36V, and open circuit loss is few; Because adopt voltage-multiplying circuit, output has higher striking voltage, normally striking, voltage falls suddenly when normally welding during arc burning, and 1/3～1/2 when being striking makes the existing electric welding machine of power output low, thereby energy-conservation, than the existing electric welding machine energy-conservation 40%～70% in market.2, owing to can select striking voltage, when working environment was moist, selecting lower voltage was 2 times of strikings of normal working voltage, relatively safety.3, voltage is 50～100V during the general striking of this electric welding machine, and voltage is 20～30V when normally welding, to electric welder's safety.4, cost is low, and this electric welding machine does not add impedor and ventilation unit, makes the electric welding machine cost low, simple in structure, is easy to promote.
Description of drawings Fig. 1 is the utility model block diagram;
Fig. 2 is the utility model embodiment circuit theory diagrams.
The utility model is described in further detail below in conjunction with accompanying drawing for the specific embodiment.
Can see that by Fig. 1 this electric welding machine is that the primary coil of three-phase transformer is connected with power supply, the secondary coil of three-phase transformer connects rectifier, and this rectifier connects voltage-multiplying circuit, and voltage-multiplying circuit connects the secondary coil output of transformer.
Can see that by Fig. 2 above-mentioned electric welding machine is the primary coil L of transformer B
1, L
2, L
3Through transfer switch K
1Connect power supply, the secondary coil L of this transformer B
4, L
5, L
6An end meet half-wave rectifier D respectively
1, D
2, D
3, the other end has four taps respectively, and this end is through voltage-selected switch K
3Connect output, half-wave rectifier D
1, D
2, D
3Also connect output; Above-mentioned rectifier connects by capacitor C, diode D
4, D
5The voltage-multiplying circuit of forming, voltage-multiplying circuit is that capacitor C connects multiplication of voltage selector switch K
2Diode D
4, D
5Series connection, the secondary coil L of transformer
6A termination capacitor C.
When transformer is connected 220V power supply and multiplication of voltage selector switch K
2When " 1 " position, the secondary coil L of transformer
6Induced voltage is arranged, the secondary coil L of transformer
4The opposite induced voltage of direction is arranged, when voltage is negative half period, L
6Be capacitor C charging, L
4Through diode D
1Be the capacitor C charging, it is 2 times of voltages that the capacitor two ends obtain; Capacitor C begins discharge, capacitor C and L when next half cycle
6Series connection, what series voltage addition output obtained is 3 times of voltages.
As multiplication of voltage selector switch K
2When " 2 " position, when voltage is negative half period, diode D
5Conducting, secondary coil L
6For the capacitor C charging, when voltage was positive half cycle, the capacitor C discharge was one times a voltage, secondary coil L
6Voltage addition output be 2 times voltage.
This electric welding machine both can connect the 220V power supply, can connect the 380V three phase mains again, as long as with transfer switch K
1The selection another location gets final product.
If three phase mains, secondary coil always has two-phase that induced-current is arranged, and operation principle is with the 220V single phase poaer supply.
This electric welding machine can pass through voltage-selected switch K
3Select the size of electric current.
Claims (2)
1, a kind of voltage multiplying rectifier formula energy-saving electric welding machine is characterized in that: it is that the primary coil of transformer is connected with power supply, and the secondary coil of transformer connects rectifier, and this rectifier connects voltage-multiplying circuit, and voltage-multiplying circuit connects the secondary coil output of transformer.
2, voltage multiplying rectifier formula energy-saving electric welding machine according to claim 1 is characterized in that: it is the primary coil L of transformer B
1, L
2, L
3Through transfer switch K
1Connect power supply, the secondary coil L of transformer
4, L
5, L
6An end meet half-wave rectifier D respectively
1, D
2, D
3, the other end has 2～7 taps respectively, and this end is through output voltage selector switch K
3Connect output, half-wave rectifier D
1, D
2, D
3, also connect output; Above-mentioned rectifier connects by capacitor C, diode D
4, D
5The voltage-multiplying circuit of forming, the secondary coil L of transformer
6A termination capacitor C, this electric capacity connects a multiplication of voltage selector switch K
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420065467 CN2698507Y (en) | 2004-05-19 | 2004-05-19 | Dual voltage rectifier type energy-saving electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420065467 CN2698507Y (en) | 2004-05-19 | 2004-05-19 | Dual voltage rectifier type energy-saving electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2698507Y true CN2698507Y (en) | 2005-05-11 |
Family
ID=34777701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420065467 Expired - Fee Related CN2698507Y (en) | 2004-05-19 | 2004-05-19 | Dual voltage rectifier type energy-saving electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2698507Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216811A (en) * | 2016-09-08 | 2016-12-14 | 肇庆市小凡人科技有限公司 | A kind of noncontact arc striking type arc welding robot |
-
2004
- 2004-05-19 CN CN 200420065467 patent/CN2698507Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216811A (en) * | 2016-09-08 | 2016-12-14 | 肇庆市小凡人科技有限公司 | A kind of noncontact arc striking type arc welding robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |