CN201493597U - Electricity-saving device for electric welder - Google Patents
Electricity-saving device for electric welder Download PDFInfo
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- CN201493597U CN201493597U CN2009201945192U CN200920194519U CN201493597U CN 201493597 U CN201493597 U CN 201493597U CN 2009201945192 U CN2009201945192 U CN 2009201945192U CN 200920194519 U CN200920194519 U CN 200920194519U CN 201493597 U CN201493597 U CN 201493597U
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- transformer
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- power supply
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Abstract
The utility model provides an electricity-saving device for an electric welder. The electricity-saving device comprises a transformer and an automatic switch circuit, wherein one end of a primary coil of the transformer is connected with one end of a power supply, the other end of the power supply is connected with the other end of the primary coil of the transfer through the automatic switch circuit, the automatic switch circuit comprises a starting circuit and a control circuit, and is composed of a plurality of relays and double-opening circuit breakers, the automatic switch circuit combined by the relays controls the working state of the transformer, thereby when one electric welding strip is contacted with a welding component, the switch can automatically close to conduct the transformer loop of the electric welder to start work, when the electric welding strip is separated from the welding component, and the switch automatically separates to cut a main loop of the primary coil of the transformer of the electric welder, thereby saving electricity loss.
Description
Technical field
The utility model provides a kind of battery saving arrangement of electric welding machine, relates to welding technology field.
Background technology
Electric welding machine is the bigger electric equipment of power consumption, and in the metal solder technical process, cooperate welding often need carry out some complementary actions, make bonding machine be in Light Condition, the power consumption of electric welder no-load is still very big, loss according to measuring and calculating no-load current energy also can reach 30% of total electric quantity consumption, causes the waste of electric resources in vain.
Existing energy-saving electric welding machine adds switch in the grip of its electric torch usually, closure when welding disconnects when zero load, mechanically controls the break-make of electric welder transformer primary coil loops, thereby realize the machinery control that electric welding machine is energy-conservation, can not realize automatic control.The electric welding machine energy saver of existing control automatically need be formed the break-make control that on-off control circuit carries out electric welder transformer by integrated chip mostly, welding rod and workpiece one are run into during welding, on-off control circuit is then controlled the conducting of electric welder transformer primary coil loops, electric welding machine is started working, cut off the electric welder transformer primary coil loops when unloaded voluntarily, realize the energy-conservation automatic control of electric welding machine, but the design of circuit is all comparatively complicated usually, need to adopt integrated chip, cost is comparatively expensive.
The utility model content
The purpose of this utility model is to provide a kind of battery saving arrangement of electric welding machine, its circuit structure is more simple, the automatic switching circuit that adopts several relays to form, and welding rod and weldment one are run into during welding, switch closes automatically, conducting electric welder transformer primary coil loops, welding rod one leaves weldment, the switch automatic disconnection, cut off the electric welder transformer primary coil loops, can adjust automatically turn-off time, reduced no-load current, energy efficient effectively.
The technical scheme in the invention for solving the technical problem is:
A kind of battery saving arrangement of electric welding machine comprises transformer (T) and automatic switching circuit, and (K) is connected in power supply by double-pole switch, wherein
Primary coil one end of described transformer (T) is connected in an end (L2) of power supply, and the other end is connected in the other end (L1) of power supply by automatic switching circuit, and the two ends of transformer (T) secondary coil join with the soldering tip line and the earth connection of electric welding machine respectively;
Described automatic switching circuit comprises startup delay circuit and control circuit, form by relay (J1, J2, J 3) and contact-relay (JC), wherein, described startup delay circuit, comprise start-up circuit and delay circuit, be connected in parallel between the end (L1) and zero line of power supply, wherein, start-up circuit is by the normally-closed contact of relay (J1) and the loop of forming with coil tandem to the zero line of relay (JC) again after the normally-closed contact of relay (J3) is connected in series; Delay circuit connects the loop that coil tandem to the zero line of time-delay mechanism and relay (J 3) is formed by the normally opened contact of relay (J2); Described control circuit, be connected in parallel in the two ends of transformer secondary output coil by two-way, the coil of one route relay (J1) is connected in series with the normally opened contact (JC2) of relay (JC), and the coil of a route relay (J2) is connected in series with the normally-closed contact (JC3) of relay (JC) through slide rheostat (R); Slide rheostat (R) is used for dividing potential drop, can regulate the current potential of relay J 2;
The normally opened contact (JC1) of relay (JC) is arranged between transformer and the power supply, double-pole switch (K) links to each other with transformer (T) primary coil, two switch rooms are provided with capacitor (C), starting the arc speed in the time of can adjusting welding by the amount of capacity of adjusting capacitor (C).
Further, described transformer (T) and automatic switching circuit all join by fuse and power supply, primary coil one end of transformer (T) is connected to an end (L2) of power supply through overcurrent fuse (F3), the other end of power supply (L1) a tunnel is connected to the primary coil other end of receiving transformer (T) behind the normally opened contact (JC1) of relay (JC) again through overcurrent fuse (F2), the one tunnel joins through overcurrent fuse (F1) and double-pole switch (K).
The time-delay mechanism of described delay circuit is starter (S), with the coil tandem of the normally opened contact of relay (J2) and relay (J3) to zero line.Perhaps, the time-delay mechanism of described delay circuit is the time relay (SJ), and the normally opened contact that its coil is connected in relay (J2) is connected to zero line; The coil tandem of the normally opened contact of its contact point and relay (J2) and relay (J 3) is to zero line.
Further, the starting resistor of described relay (J2) is higher than the starting resistor of relay (J1).
Further, described contact-relay (JC) is to exchange contact-relay.Described relay (J1) is the AC relay of 6V, and relay (J2) is the AC relay of 36V, and relay (J3) is the 220V AC relay.
In addition, the battery saving arrangement that the utility model provides also can be used for direct current welding and argon arc welding technology field, adopt same circuit structure, only need the specifications and models of change relay and contact-relay, as be used for selecting for use when direct current welds the DC relay and the direct current contact-relay of different voltages.
The course of work of the present utility model is: when welder power is connected, closed double-pole switch K, power supply passes through fuse, two breakers of opening, the normally-closed contact of relay J 1 and J3 powers on the coil of contact-relay JC, contact-relay JC starts working, the normally opened contact JC1 of contact-relay JC, the JC3 conducting, normally-closed contact JC2 disconnects, the primary coil loops conducting of electric welder transformer T, and by secondary coil output 36～80V voltage, make relay J 2 work, the normally opened contact closure of relay J 2, delay circuit starts, starter is started working, relay J 3 energising work, make the normally-closed contact of relay J 3 disconnect, the start-up circuit loop disconnects, contact-relay JC does not work, the normally opened contact JC1 of contact-relay JC, JC3 recovers off-state, normally-closed contact JC2 closure, at this moment, relay J 1 energising work (its normally-closed contact disconnects), relay J 2 power down are not worked (its normally opened contact disconnects), and starter quits work, relay J 3 power down do not work (its normally-closed contact closure), at this moment, contact-relay JC still can not work, and transformer T can not work by JC1.But power supply provides little electric current by transformer, makes the secondary coil of transformer still have low-voltage output to supply with relay J 1 work.
During welding, when welding rod contacts with weldment, relay J 1 power down is not worked, the normally-closed contact closure of relay J 1, and contact-relay JC starts working, make its normally opened contact JC1 closure, transformer T work, secondary coil output services voltage is started working, and relay J 1, J3 do not work, its normally-closed contact all is in closure state, guarantees contact-relay JC work.
When not being in welded condition, the voltage output of the secondary coil output of transformer T raises, about about 65V, reach the operating voltage of relay J 2, make the normally opened contact closure of relay J 2, delay circuit starts, thereby relay J 3 its normally-closed contacts of work back disconnect and start the loop, contact-relay JC can not work, and is in wait state, realizes a circulation.
The battery saving arrangement of the electric welding machine that the utility model provides, adopt the break-make of a plurality of relay control electric welder transformer primary coil loops, its circuit structure is simple, simultaneously, also can realize auto-switch function, when welding rod one was run into weldment, switch closed automatically, started working in conducting electric welder transformer loop, when welding rod one leaves weldment, the switch automatic disconnection makes that loop current is very little, thereby saves electric energy loss.
Description of drawings
Fig. 1 is the circuit theory diagrams of a kind of power economizer for electric welder embodiment 1 of the utility model;
Fig. 2 is the circuit theory diagrams of a kind of power economizer for electric welder embodiment 2 of the utility model.
The specific embodiment
The existing accompanying drawings and the specific embodiment further specify the utility model.
As shown in Figure 1, the battery saving arrangement of the disclosed a kind of electric welding machine of the utility model comprises transformer T and automatic switching circuit, and K is connected in power supply by double-pole switch, wherein
Primary coil one end of described transformer T is connected in an end L2 of power supply through overcurrent fuse F3, other end automatic switching circuit and be connected in the other end L1 of power supply through overcurrent fuse F2, the two ends of transformer secondary output coil join with the soldering tip line and the earth connection of electric welding machine respectively;
Described automatic switching circuit is connected in an end of power supply through overcurrent fuse F1, comprise and start delay circuit and control circuit, form by relay J 1, relay J 2, relay J 3 and contact-relay JC, wherein, described startup delay circuit, comprise start-up circuit and delay circuit, be connected in parallel between the end L1 and zero line of power supply, wherein, start-up circuit is by the normally-closed contact of relay J 1 and the loop of forming with coil tandem to the zero line of relay J C again after the normally-closed contact of relay J 3 is connected in series; Delay circuit makes the electric welding machine steady operation, connects the loop that coil tandem to the zero line of starter S and relay J 3 is formed by the normally opened contact of relay J 2; Described control circuit, be connected in parallel in the two ends of transformer secondary output coil by two-way, the coil of one route relay J 1 is connected in series with the normally opened contact JC2 of relay J C, and the coil of a route relay J 2 is connected in series with the normally-closed contact JC3 of relay J C through slide rheostat R; Slide rheostat R is used for dividing potential drop, can regulate the current potential of relay J 2;
The normally opened contact JC1 of relay J C is arranged between transformer and the power supply, double-pole switch K links to each other with transformer T primary coil, two switch rooms are provided with capacitor C, capacitor C is preferably the capacitor of 2uF/400V, starting the arc speed in the time of can adjusting welding by the amount of capacity of adjusting capacitor C.
Further, described contact-relay JC exchanges contact-relay.Described relay J 1 is the AC relay of 6V, and relay J 2 is AC relays of 36V, and relay J 3 is 220V AC relays.
As shown in Figure 2, the time-delay mechanism of described delay circuit can also be a time relay sj, and the normally opened contact that its coil is connected in relay J 2 is connected to zero line; The coil tandem of the normally opened contact of its contact point and relay J 2 and relay J 3 is to zero line.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (7)
1. the battery saving arrangement of an electric welding machine comprises transformer (T) and automatic switching circuit, and (K) is connected in power supply by double-pole switch, it is characterized in that:
Primary coil one end of described transformer (T) is connected in an end (L2) of power supply, and the other end is connected in the other end (L1) of power supply by automatic switching circuit, and the two ends of transformer (T) secondary coil join with the soldering tip line and the earth connection of electric welding machine respectively;
Described automatic switching circuit comprises startup delay circuit and control circuit, forms by relay (J1, J2, J3) and contact-relay (JC), wherein,
Described startup delay circuit, comprise start-up circuit and delay circuit, be connected in parallel between the end (L1) and zero line of power supply, wherein, start-up circuit is by the normally-closed contact of relay (J1) and the loop of forming with coil tandem to the zero line of relay (JC) again after the normally-closed contact of relay (J3) is connected in series; Delay circuit connects the loop that coil tandem to the zero line of time-delay mechanism and relay (J3) is formed by the normally opened contact of relay (J2);
Described control circuit, be connected in parallel in the two ends of transformer secondary output coil by two-way, the coil of one route relay (J1) is connected in series with the normally opened contact (JC2) of relay (JC), and the coil of a route relay (J2) is connected in series with the normally-closed contact (JC3) of relay (JC) through slide rheostat (R); The normally opened contact (JC1) of relay (JC) is arranged between transformer and the power supply, and double-pole switch (K) links to each other with transformer (T) primary coil, and two switch rooms are provided with capacitor (C).
2. the battery saving arrangement of a kind of electric welding machine according to claim 1, it is characterized in that: described transformer (T) and automatic switching circuit all join by fuse and power supply, primary coil one end of transformer (T) is connected to an end (L2) of power supply through overcurrent fuse (F3), the other end of power supply (L1) a tunnel is connected to the primary coil other end of receiving transformer (T) behind the normally opened contact (JC1) of relay (JC) again through overcurrent fuse (F2), the one tunnel joins through overcurrent fuse (F1) and double-pole switch (K).
3. the battery saving arrangement of a kind of electric welding machine according to claim 1, it is characterized in that: the time-delay mechanism of described delay circuit is starter (S), with the coil tandem of the normally opened contact of relay (J2) and relay (J3) to zero line.
4. the battery saving arrangement of a kind of electric welding machine according to claim 1, it is characterized in that: the time-delay mechanism of described delay circuit is the time relay (SJ), and the normally opened contact that its coil is connected in relay (J2) is connected to zero line; The coil tandem of the normally opened contact of its contact point and relay (J2) and relay (J3) is to zero line.
5. the battery saving arrangement of a kind of electric welding machine according to claim 1 is characterized in that: described contact-relay (JC) is to exchange contact-relay.
6. according to the battery saving arrangement of claim 1 or 3 or 4 described a kind of electric welding machines, it is characterized in that: the starting resistor of described relay (J2) is higher than the starting resistor of relay (J1).
7. the battery saving arrangement of a kind of electric welding machine according to claim 1, it is characterized in that: described relay (J1) is the AC relay of 6V, and relay (J2) is the AC relay of 36V, and relay (J3) is the 220V AC relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201945192U CN201493597U (en) | 2009-09-08 | 2009-09-08 | Electricity-saving device for electric welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201945192U CN201493597U (en) | 2009-09-08 | 2009-09-08 | Electricity-saving device for electric welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201493597U true CN201493597U (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201945192U Expired - Fee Related CN201493597U (en) | 2009-09-08 | 2009-09-08 | Electricity-saving device for electric welder |
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| Country | Link |
|---|---|
| CN (1) | CN201493597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434249A (en) * | 2018-12-08 | 2019-03-08 | 郑州工业应用技术学院 | A kind of electric welder no-load dropping equipment |
-
2009
- 2009-09-08 CN CN2009201945192U patent/CN201493597U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434249A (en) * | 2018-12-08 | 2019-03-08 | 郑州工业应用技术学院 | A kind of electric welder no-load dropping equipment |
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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: 20100602 Termination date: 20130908 |