CN202447793U - No-load power-saving device for electric welding machine - Google Patents
No-load power-saving device for electric welding machine Download PDFInfo
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- CN202447793U CN202447793U CN2011205144364U CN201120514436U CN202447793U CN 202447793 U CN202447793 U CN 202447793U CN 2011205144364 U CN2011205144364 U CN 2011205144364U CN 201120514436 U CN201120514436 U CN 201120514436U CN 202447793 U CN202447793 U CN 202447793U
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- transformer
- relay
- welding machine
- contactor
- electric welding
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Abstract
The utility model discloses a no-load power-saving device for an electric welding machine. The device comprises a transformer, an alternating current contactor, a relay and a switch, wherein a primary coil of the transformer is connected in series with an alternating current power supply; one end of the switch is connected with a live wire of the alternating current power supply and the other end of the switch is connected with one end of a normally closed contact of the relay and one end of a normally open contact KM1 of the alternating current contactor; the other end of the normally closed contact of the relay is connected with one end of the alternating current contactor; the other end of the normally open contact KM1 of the alternating current contactor is connected with one end of the primary coil of the transformer of the electric welding machine; the other end of the alternating current contactor and the other end of the primary coil of the transformer of the electric welding machine are connected with a zero line of the alternating current power supply; a secondary coil of the transformer is connected in series with a normally closed contact KM2 of the alternating current contactor and an input end of the relay; and the input end of the relay is connected in series with the secondary coil of the transformer of the electric welding machine and a normally closed contact KM3 of the alternating current contactor. The device can automatically shut off the power supply of the transformer of the electric welding machine during the interruption of the work of the electric welding machine, so that the no-load loss is avoided, and the service life of the electric welding machine is prolonged.
Description
Technical field
The utility model relates to a kind of electric welding machine auxiliary equipment, relates in particular to a kind of electric welder no-load battery saving arrangement.
Background technology
Electric welding machine is a kind of use high power welding equipment widely, and with discontinuous manner work, the primary coil of electric welding machine is in "on" position all the time between the rest periods, causes open circuit loss, causes the electric welding machine lost of life when work for it.
Chinese patent publication number CN2155287; Open day on February 9th, 1994; The name of utility model is called electric welding machine, and this application case discloses a kind of electric welding machine, and it is provided with the multidigit transfer switch at the primary winding; The starting the arc winding and the impedance winding of transformer secondary output are drawn tap, make starting the arc winding and impedance winding Fast transforms connected mode through quick connector.Its weak point is, this electric welding machine is during work is interrupted, and primary coil is in "on" position all the time, causes open circuit loss, causes the lost of life.
The utility model content
The purpose of the utility model is to overcome electric welding machine during work is interrupted; The electric welder transformer primary coil is in "on" position all the time, causes open circuit loss, causes the problem of the lost of life; A kind of electric welder no-load battery saving arrangement is provided; It can cut off the power supply of electric welder transformer automatically during electric welding machine work is interrupted, avoided open circuit loss, has prolonged the service life of electric welding machine.
In order to address the above problem, the utility model adopts following technical scheme to be achieved:
The electric welder no-load battery saving arrangement of the utility model; Comprise transformer T1, A.C. contactor KM, relay K A and switch S K; Said transformer T1 primary coil one end links to each other with the live wire L of AC power AC; The zero line N of the other end and AC power AC is connected in node b, and said switch S K one end links to each other with the live wire L of AC power AC, and the end of the normally-closed contact KA1 of the other end and relay K A is connected in node a; The other end of the normally-closed contact KA1 of said relay K A links to each other with A.C. contactor KM one end; The said A.C. contactor KM other end links to each other with node b, and normally opened contact KM1 one end of said A.C. contactor KM links to each other with node a, and the other end links to each other with electric welder transformer T2 primary coil one end; The said electric welder transformer T2 primary coil other end links to each other with AC power AC zero line N; The normally-closed contact KM2 of said transformer T1 secondary coil and A.C. contactor KM, relay K A input are connected into a loop, and the normally opened contact KM3 of said relay K A input and electric welder transformer T2 secondary coil, A.C. contactor KM is connected into a loop, and the two ends of said relay K A input link to each other with soldering turret, welding work pieces through lead respectively.
In the present technique scheme, open AC power AC power supply, the energising of transformer T1 primary coil; Transformer T1 secondary coil produces induced voltage; Because the normally-closed contact KM2 of A.C. contactor KM is in closure state, relay K A energising, the normally-closed contact KA1 of relay K A breaks off.The SK that closes a switch, because the normally-closed contact KA1 of relay K A breaks off, A.C. contactor KM no power, the normally opened contact KM1 of A.C. contactor KM is in off-state, electric welder transformer T2 primary coil no power.
When soldering turret contacts with welding work pieces, relay K A short circuit outage, the normally-closed contact KA1 of relay K A is closed; A.C. contactor KM energising, normally opened contact KM1 is closed, and normally-closed contact KM2 breaks off; Normally opened contact KM3 is closed, and transformer T1 secondary coil opens circuit, the energising of electric welder transformer T2 primary coil; Electric welder transformer T2 secondary coil produces induced voltage, and electric welding machine carries out welding job.When soldering turret leaves welding work pieces, the loop conducting that the normally opened contact KM3 of relay K A input and electric welder transformer T2 secondary coil, A.C. contactor KM is connected into, normally-closed contact KA1 breaks off; A.C. contactor KM outage; Normally opened contact KM1 breaks off, and normally-closed contact KM2 is closed, and normally opened contact KM3 breaks off; Electric welder transformer T2 primary coil no power has been avoided the open circuit loss of electric welding machine.
As preferably; Said electric welder no-load battery saving arrangement also comprises fuse F U1 and fuse F U2; Said fuse F U1 one end links to each other with node a; The normally-closed contact KA1 of the other end and relay K A is connected in node c, and said fuse F U2 one end links to each other with AC power AC zero line N, and the other end links to each other with node b.Fuse F U1 and fuse F U2 play the short-circuit protection effect to circuit.
As preferably, said electric welder no-load battery saving arrangement also comprises indicator lamp D, and said indicator lamp D one end links to each other with node a, and the other end links to each other with the zero line N of AC power AC.When switch S K was closed, indicator lamp D lighted, and showed that electric welding machine can carry out welding job, and when switch S K broke off, indicator lamp D extinguished, and showed that electric welding machine can not carry out welding job.
As preferably, said switch S K is arranged on the handle of soldering turret, makes things convenient for the staff that switch SK is operated.
The beneficial effect of the utility model is: during electric welding machine work is interrupted, can cut off the power supply of electric welder transformer automatically, avoid open circuit loss, prolong the service life of electric welding machine.
Description of drawings
Fig. 1 is a kind of circuit theory diagrams of the utility model.
Among the figure: 1, soldering turret, 2, welding work pieces.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: the electric welder no-load battery saving arrangement of present embodiment; As shown in Figure 1, comprise transformer T1, A.C. contactor KM, fuse F U1, fuse F U2, indicator lamp D, relay K A and switch S K, transformer T1 primary coil one end links to each other with the live wire L of AC power AC; The other end and fuse F U2 one end are connected in node b; The fuse F U2 other end links to each other with the zero line N of AC power AC, and switch S K one end links to each other with the live wire L of AC power AC, and the other end and fuse F U1 one end are connected in node a; The end of the normally-closed contact KA1 of the fuse F U1 other end and relay K A is connected in node c; The other end of the normally-closed contact KA1 of relay K A links to each other with A.C. contactor KM one end, and the A.C. contactor KM other end links to each other with node b, and normally opened contact KM1 one end of A.C. contactor KM links to each other with node a; The other end links to each other with electric welder transformer T2 primary coil one end; The electric welder transformer T2 primary coil other end links to each other with AC power AC zero line N, and indicator lamp D one end links to each other with node a, and the other end links to each other with the zero line N of AC power AC; The normally-closed contact KM2 of transformer T1 secondary coil and A.C. contactor KM, relay K A input are connected into a loop; Relay K A input and electric welder transformer T2 secondary coil, A.C. contactor KM normally opened contact KM3 are connected into a loop, and the two ends of relay K A input link to each other with soldering turret 1, welding work pieces 2 through lead respectively, and switch S K is installed on the handle of soldering turret 1.
Open AC power AC power supply, the energising of transformer T1 primary coil, transformer T1 secondary coil produces induced voltage, because the normally-closed contact KM2 of A.C. contactor KM is in closure state, relay K A energising, the normally-closed contact KA1 of relay K A breaks off.Close switch S K on soldering turret 1 handle, indicator lamp D lights, because the normally-closed contact KA1 of relay K A breaks off; A.C. contactor KM no power; The normally opened contact KM1 of A.C. contactor KM is in off-state, electric welder transformer T2 primary coil no power, and this moment, electric welding machine can carry out welding job.
When soldering turret 1 contacts with welding work pieces 2, relay K A short circuit outage, the normally-closed contact KA1 of relay K A is closed; A.C. contactor KM energising, normally opened contact KM1 is closed, and normally-closed contact KM2 breaks off; Normally opened contact KM3 is closed, and transformer T1 secondary coil opens circuit, the energising of electric welder transformer T2 primary coil; Electric welder transformer T2 secondary coil produces induced voltage, and electric welding machine carries out welding job.
When soldering turret 1 leaves welding work pieces 2, the loop conducting that the normally opened contact KM3 of relay K A input and electric welder transformer T2 secondary coil, A.C. contactor KM is connected into, normally-closed contact KA1 breaks off; A.C. contactor KM outage; Normally opened contact KM1 breaks off, and normally-closed contact KM2 is closed, and normally opened contact KM3 breaks off; Electric welder transformer T2 primary coil no power has been avoided the open circuit loss of electric welding machine.The utility model can cut off the power supply of electric welder transformer T2 automatically during electric welding machine work is interrupted, avoided open circuit loss, has prolonged the service life of electric welding machine.
Claims (4)
1. electric welder no-load battery saving arrangement; It is characterized in that: comprise transformer T1, A.C. contactor KM, relay K A and switch S K; Said transformer T1 primary coil one end links to each other with the live wire L of AC power AC; The zero line N of the other end and AC power AC is connected in node b; Said switch S K one end links to each other with the live wire L of AC power AC; The end of the normally-closed contact KA1 of the other end and relay K A is connected in node a, and the other end of the normally-closed contact KA1 of said relay K A links to each other with A.C. contactor KM one end, and the said A.C. contactor KM other end links to each other with node b; Normally opened contact KM1 one end of said A.C. contactor KM links to each other with node a; The other end links to each other with electric welder transformer T2 primary coil one end, and the said electric welder transformer T2 primary coil other end links to each other with AC power AC zero line N, and the normally-closed contact KM2 of said transformer T1 secondary coil and A.C. contactor KM, relay K A input are connected into a loop; The normally opened contact KM3 of said relay K A input and electric welder transformer T2 secondary coil, A.C. contactor KM is connected into a loop, and the two ends of said relay K A input link to each other with soldering turret (1), welding work pieces (2) through lead respectively.
2. electric welder no-load battery saving arrangement according to claim 1; It is characterized in that: also comprise fuse F U1 and fuse F U2; Said fuse F U1 one end links to each other with node a; The normally-closed contact KA1 of the other end and relay K A is connected in node c, and said fuse F U2 one end links to each other with AC power AC zero line N, and the other end links to each other with node b.
3. electric welder no-load battery saving arrangement according to claim 1 and 2 is characterized in that: also comprise indicator lamp D, said indicator lamp D one end links to each other with node a, and the other end links to each other with the zero line N of AC power AC.
4. electric welder no-load battery saving arrangement according to claim 1 and 2 is characterized in that: said switch S K is arranged on the handle of soldering turret (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205144364U CN202447793U (en) | 2011-12-12 | 2011-12-12 | No-load power-saving device for electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205144364U CN202447793U (en) | 2011-12-12 | 2011-12-12 | No-load power-saving device for electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202447793U true CN202447793U (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205144364U Expired - Fee Related CN202447793U (en) | 2011-12-12 | 2011-12-12 | No-load power-saving device for electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202447793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434248A (en) * | 2018-12-08 | 2019-03-08 | 郑州工业应用技术学院 | A kind of electricity-saving appliance of the arc welding generator |
-
2011
- 2011-12-12 CN CN2011205144364U patent/CN202447793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434248A (en) * | 2018-12-08 | 2019-03-08 | 郑州工业应用技术学院 | A kind of electricity-saving appliance of the arc welding generator |
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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: 20120926 Termination date: 20171212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |