CN209394132U - A kind of electric welding machine - Google Patents
A kind of electric welding machine Download PDFInfo
- Publication number
- CN209394132U CN209394132U CN201920103520.3U CN201920103520U CN209394132U CN 209394132 U CN209394132 U CN 209394132U CN 201920103520 U CN201920103520 U CN 201920103520U CN 209394132 U CN209394132 U CN 209394132U
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- relay
- normally
- circuit
- connect
- electric welding
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Abstract
The utility model discloses a kind of electric welding machines, including transformer, rectification circuit and power save circuit, the power save circuit includes the switching circuit and charge and discharge capacitance for switching electric welding machine working condition, and switching circuit includes the first relay, the second relay and third relay.When electric welding machine is in standby, the DC voltage of rectification circuit output is connected to the anode of diode through the first relay and the second relay, it is charged by diode to charge and discharge capacitance, the second relay is connected to by the anode of diode, circuit is constituted over the ground by the second relay enters standby mode, complete machine electric current consumes seldom electric energy between 0.06-0.09A, to realize economize on electricity.When needing to enter working condition, running current is inputted to the primary coil of transformer, so that secondary induction is gone out low-voltage and high-current, is operated for welding.Therefore the electric welding machine of the utility model keeps low-power consumption in standby mode, additionally it is possible to maintain stable working condition.
Description
Technical field
The utility model relates to electric welding machine technical field more particularly to a kind of electric welding machines.
Background technique
Electric welding machine be the high-temperature electric arc that is generated using positive and negative polarities in instantaneous short circuit come on consumable electrode solder and
Materials to be welded, to achieve the purpose that make them to combine.The structure of electric welding machine be not it is very complicated, be equivalent to be a big function in fact
220V alternating voltage is become the power supply of low-voltage, high current, can be direct current by the transformer of rate, is also possible to exchange
's.
But the case where electric current when existing electric welder no-load state is big, and there are waste of energy.
Utility model content
In view of the above deficiencies, the technical problem to be solved by the utility model is to provide a kind of electric welding machine, the electric welding equipments
There is power save circuit, complete machine electric current very little when keeping its standby, to realize economize on electricity.
In order to solve the above technical problems, the technical solution of the utility model is:
The primary coil of a kind of electric welding machine, including transformer, the transformer connects to power supply, secondary coil circuit output
Operating current voltage for welding all the way, is connected with the rectifying circuit all the way, further includes power save circuit, the power save circuit includes
The charge and discharge capacitance being electrically connected for the switching circuit of switch operating state and the switching circuit；The switching circuit includes
First relay, the second relay and third relay；The anode of the charge and discharge capacitance is connect with the cathode of diode, two poles
The anode of pipe is connect with the triggering end of the first relay, and the normally-closed contact of the first relay and the triggering end of third relay connect
It connects, the first normally-closed contact of third relay is connect with the triggering end of the first relay；The anode of the diode is also and third
Second normally-closed contact of relay is connect with the normally-closed contact of the first relay；The third normally-closed contact of the third relay connects
Connect one end and the resistance of the power supply, the resistance is connect with one end of the transformer, the power supply it is another
End is connect with the other end of the transformer；The normally-closed contact of second relay and the third relay connect
It connects.
Preferred embodiment is that the 4th normally-closed contact of the third relay is by silicon-controlled one end with the primary coil
Connection, this is silicon-controlled also to connect with one end of power supply.
Preferred embodiment is that the rectification circuit is full bridge rectifier.
Due to the electric welding machine using the utility model, including transformer, rectification circuit and power save circuit, the power save circuit
Including the switching circuit and charge and discharge capacitance for switching electric welding machine working condition, switching circuit includes the first relay, second
Relay and third relay.In the utility model use process, when being in standby, the DC voltage of rectification circuit output
It is connected to the anode of diode through the first relay and the second relay, is charged by diode to charge and discharge capacitance, is passed through simultaneously
The anode of diode is connected to the second relay, constitutes circuit over the ground by the second relay, is in standby electric welding machine, makes
Complete machine electric current consumes seldom electric energy between 0.06-0.09A, to realize the purpose of economize on electricity.When need enter work shape
When state, when two output end instantaneous short circuit of secondary circuit, the second relay electric-loss return, normally closed connection makes charge and discharge capacitance
The triggering end that third relay is triggered by the second relay, makes third relay obtain electric actuation, the normally closed touching of third relay
Point makes the primary coil of transformer have electric current inflow, and then works, and the secondary coil of transformer is made to export induced electromotive force for weldering
Connect operation.As it can be seen that the electric welding machine of the utility model, keeps low-power consumption in standby mode, additionally it is possible to maintain stable working condition.
Detailed description of the invention
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the encapsulation schematic diagram of the utility model electric welding machine;
In figure: 1- workpiece.
Specific embodiment
Understand to remove the purpose of this utility model, technical solution and advantage more, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As depicted in figs. 1 and 2, a kind of electric welding machine, including transformer T, the primary coil of transformer T connects to power supply, secondary
The output of grade coil circuit is used for the operating current voltage of welding all the way, is connected with the rectifying circuit all the way, and rectification circuit is that full-bridge is whole
Current circuit D1；It further include power save circuit, power save circuit includes switching circuit and the switching circuit electricity for switch operating state
The charge and discharge capacitance C of connection；Switching circuit includes the first relay KA1, the second relay KA2 and third relay KA3；Charge and discharge
The anode of capacitor C is connect with the cathode of diode D2, and the anode of diode D2 is connect with the triggering end A of the first relay KA1,
The normally-closed contact of first relay KA1 is connect with the triggering end A of third relay KA3, the first normally closed touching of third relay KA3
Point is connect with the triggering end of the first relay KA1；Diode D2 anode also with the second normally-closed contact of third relay KA3 with
The normally-closed contact of first relay KA1 connects；One end of the third normally-closed contact connection power supply of third relay KA3 and resistance R,
Resistance R is connect with one end of transformer T primary coil, and the other end of power supply is connect with the other end of transformer T primary coil；The
The normally-closed contact of two relay KA2 is connect with third relay KA3.First relay KA1 used in this example is 48V, the
Two relay KA2 and third relay KA3 are 24V.
In the present embodiment: the 4th normally-closed contact of third relay KA3 connects by one end of silicon-controlled BTA and primary coil
It connects, which also connect with one end of power supply.
In order to which application is more clearly understood, working principle is described below, below 1 foot to 18 feet, only for description
It is clear, without essence sequence meaning.
As shown in Fig. 2, opening power supply, current direction are as follows: 220V/380V voltage one terminates T1 foot, and one end is through third relay
8 feet of device KA3 are to 9 foot of normally-closed contact, the T2 foot through resistance R to T, constitute current loop, induce the T3 foot of T and T4 foot
The voltage of 26V or so, this voltage is connected to the D12 foot of full bridge rectifier D1 and D13 foot is rectified by full bridge rectifier D1, full-bridge
The D11 foot of rectification circuit D1 rectifies out the DC voltage of 24V, this voltage passes through normally-closed contact through 14 feet of the first relay KA1
15 feet to third relay KA3 5 feet, by the anode of 6 foot of normally-closed contact to diode D2, by diode D2 to charge and discharge
Capacitor C charging, the trigger point A and ground of another way to the second relay KA2 constitute circuit, and the second relay KA2 obtains electric actuation,
Circuit enters standby mode, and complete machine electric current is in 0.06-0.09A.
When electric welding machine work, current direction are as follows: when the T3 foot and T4 foot of transformer T connect workpiece 1, the workpiece 1 is by T3 foot
Short-circuit, transient voltage zero, the second relay KA2 power loss return, 17 feet and normally closed foot 18 of the second relay KA2 connect with T4 foot
Logical, 18 feet of the charge and discharge capacitance C through the second relay KA2 to 17 foot of normally-closed contact supply the triggering end A of third relay KA3
Electricity, third relay KA3 obtain electric actuation, 11 feet of third relay KA3 and the closure conducting of 10 feet, silicon-controlled BTA are connected, electricity
The T2 foot for flowing through transformer T makes transformer T enter working condition, the work of T3 foot and T4 foot the output 20-28V of transformer T
Make voltage, is operated for welding.This voltage is output to the after full bridge rectifier D1 rectification, from the D11 of full bridge rectifier D1
14 feet of one relay KA1 arrive the negative of diode D by 5 feet to 4 feet that 15 foot of normally-closed contact enters third relay KA3 again
Pole arrives charge and discharge capacitance C anode all the way, charges to charge and discharge capacitance C;17 feet all the way through the second relay KA2 are to normally closed touching
18 feet of point power to the triggering end A of third relay KA3, maintain third relay KA3 to be attracted, equipment is made to enter stable work
Make state.
After welding operation, current direction are as follows: the T3 foot and T4 foot of transformer T loses load, and voltage is raised to 40- suddenly
The high pressure of 60V, 1 foot of D11 foot of this voltage through full bridge rectifier D1 to third relay KA3 is through 2 feet to the first relay
The triggering end A, the first relay KA1 of KA1 obtains electric actuation, and 14 feet and 15 foot of normally-closed contact disconnect all subsequent power supplies, third
Relay KA3 maintains to be attracted by the electricity capacity of charge and discharge capacitance C, the third relay after the electric discharge of charge and discharge capacitance C capacitor
Device KA3 power loss, 10 feet of third relay KA3 and 11 feet disconnect, and silicon-controlled BTA is closed.8 feet and 9 feet of third relay KA3
Normally-closed contact conducting, so that the 220V/380V electricity is constituted circuit through the T2 foot of resistance R to transformer T, circuit is into next circulation
Work.
The preferred embodiment of the utility model described above, is not intended to limit the utility model, all practical at this
Made any modification within novel spirit and principle, etc. the improvement of same electric welding machine structure etc., should be included in this reality
Within novel protection scope.
Claims (3)
1. the primary coil of a kind of electric welding machine, including transformer, the transformer connects to power supply, the circuit output of secondary coil
It is used for the Current Voltage of welding all the way, is connected with the rectifying circuit all the way, which is characterized in that it further include power save circuit, it is described
Power save circuit includes the charge and discharge capacitance being electrically connected for the switching circuit of switch operating state and the switching circuit；
The switching circuit includes the first relay, the second relay and third relay；
The anode of the charge and discharge capacitance is connect with the cathode of diode, and the anode of diode connects with the triggering end of the first relay
It connects, the normally-closed contact of the first relay is connect with the triggering end of third relay, the first normally-closed contact of third relay and
The triggering end of one relay connects；
The anode of the diode is also connect with the second normally-closed contact of third relay with the normally-closed contact of the first relay；
The third normally-closed contact of the third relay connects one end and the resistance of the power supply, the resistance and the transformer
One end of primary coil connects, and the other end of the power supply is connect with the other end of the transformer；
The normally-closed contact of second relay is connect with the third relay.
2. electric welding machine according to claim 1, which is characterized in that the 4th normally-closed contact of the third relay passes through can
Control silicon is connect with one end of the primary coil, this is silicon-controlled also to connect with one end of power supply.
3. electric welding machine according to claim 1, which is characterized in that the rectification circuit is full bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920103520.3U CN209394132U (en) | 2019-01-22 | 2019-01-22 | A kind of electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920103520.3U CN209394132U (en) | 2019-01-22 | 2019-01-22 | A kind of electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209394132U true CN209394132U (en) | 2019-09-17 |
Family
ID=67898848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920103520.3U Expired - Fee Related CN209394132U (en) | 2019-01-22 | 2019-01-22 | A kind of electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209394132U (en) |
-
2019
- 2019-01-22 CN CN201920103520.3U patent/CN209394132U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190917 Termination date: 20220122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |