CN2598696Y

CN2598696Y - High efficient micro electric welder

Info

Publication number: CN2598696Y
Application number: CNU032112122U
Authority: CN
Inventors: 遇路; 路遇
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-28
Filing date: 2003-01-28
Publication date: 2004-01-14
Anticipated expiration: 2013-01-28

Abstract

The utility model relates to a welding tool, in particular to an improvement of electric welder, wherein, a primary coil and a secondary coil are wound on the iron core central cylinder of a welding transformer in the shape of Chinese character ''ri''; the double secondary coil L<3> and L <2> formed by a non wire breakage tap b and the secondary coil parallel wound with a continuous wind conductor are extracted from the middle part of the primary coil L <1>; the ends of two parallel wound conductors are connected and form the common end D of the coil; a cooling channel is arranged in the iron core hung on the lower part of a wiring board in the machine shell. Compared with the prior art, the utility model reduces the iron core volume, saves raw materials, and is light in weight and convenient to be carried. As the loss is less, the welding voltage and welding performance are improved. The utility model is simple in structure, reasonable in design, good in heat radiating effect and only 5.5 kg in the weight of the whole machine.

Description

The efficient mini electric welding machine

Technical field

The utility model relates to a kind of soldering appliance, specifically the improvement of electric welding machine.

Background technology

The critical piece of A.C. welder commonly used is a welding transformer, and its primary coil and secondary coil are respectively on the two side columns of " mouth " font iron core.Weak point is that the volume of iron core is big, heavy, carries inconvenience, the waste raw material, and also because loss is bigger, heating is serious, has limited the raising of weldingvoltage, inefficiency influences welding performance.

The utility model content

The purpose of this utility model is the deficiency at above-mentioned existence, provide a kind of in light weight, loss is little, easy to carry, the electric welding machine of perfect heat-dissipating.

Technical essential of the present utility model is: be wound with primary coil and secondary coil (see figure 2) in welding transformer " day " the font iron core middle column; At primary coil L ₁The middle part draw with do not break tap b and with continuous around lead and around secondary coil form two secondary coil L ₃, L ₂And around the two wire ends common port D that joins and constitute coil; Be hung in the iron core of casing internal wiring plate bottom and be provided with cooling duct K ₁The primary and secondary coil winding of this kind structure iron core makes some shared special construction in the primary and secondary coil, carries out the magnetic couple induction, to improve magnetic flux density, promotes the increase of welding current, causes the leakage reactance pressure drop also to increase; Movement hangs in casing, has created the advantage of heat radiation on four sides, more helps the unimpeded of cooling duct.

The cooling duct K that center pillar both sides in " day " font iron core are provided with ₁It is 1～8, by support K ₂Form, the iron core of band cooling duct is to be fixed on terminal plate bottom in the casing by four iron claws.

The utility model compared with prior art, core volume reduces, and has saved raw material, has alleviated weight, makes it easy to carry.Because loss is less, weldingvoltage, welding performance are improved.It is simple in structure, and is reasonable in design, and good heat dissipation effect, complete machine weight only are 5.5 kilograms.

Description of drawings

Fig. 1 is a primary and secondary coil winding circuit diagram of the present utility model;

Fig. 2 is provided with schematic diagram for iron core middle column of the present utility model winding around and cooling duct.

The specific embodiment

Primary coil L in the coiling of " day " font iron core middle column ₁The number of turn is 286 circles, the secondary coil L that the middle part tap is obtained ₂The number of turn is 110 circles, with L ₂And around secondary coil L ₃The number of turn is 110 circles; Used copper conductor diameter is φ 1.25mm.

As can be seen from Figure 1, a, D constitute primary coil L ₁, b, D constitute secondary coil L ₂, c, D constitute secondary coil L ₃With L ₂, L ₃Parallel connection can obtain one-level output again.The long 145mm of " day " font iron core, wide 98mm silicon steel sheet builds up, and thickness is 52mm; Sectional area 52 * the 35mm of iron core middle column ², the sectional area of two side columns equates, is respectively 1/2 of center pillar sectional area.Operating voltage is 220 volts, 50 hz AC electricity, and specified temporary section rate is 90%.Three kinds of output welding currents are respectively 100A, 180A, 240A, and sky is disconnected to press and reached 80 volts.Because arcing voltage is higher, so the starting the arc is easy, welding arc is stable.

Behind " day " font iron core winding coil of welding transformer, after the iron core of coiling put into insulated paint and soak, drying was packed in the shell, and its tap is connected with each respective terminal on the terminal plate.Soldering turret is common soldering turret.Need during work that welding machine is put into water and cool off, in time change cooling water, can make welding machine temporarily the rate of cutting reach more than 90%.

Because in welding process, the inner high temperature that produces of movement can in time be discharged outside the machine, reaches the purpose of timely heat radiation, has improved the complete machine welding performance.

Claims

1. an efficient mini electric welding machine has soldering turret and welding transformer, is wound with primary coil and secondary coil in the iron core middle column of welding transformer, it is characterized in that: at primary coil L ₁The middle part draw do not break tap b and with continuous around lead and around secondary coil form two secondary coil L ₃, L ₂And around the two wire ends common port D that joins and constitute coil; Be hung in the iron core of casing internal wiring plate bottom and be provided with cooling duct K ₁

2. according to the described efficient mini electric welding machine of claim 1, it is characterized in that: the cooling duct K that is provided with in the iron core ₁It is 1～8.

3. according to the described efficient mini electric welding machine of claim 1, it is characterized in that: the primary coil L of coiling in the iron core middle column ₁The number of turn is 286 circles, the secondary coil L that the middle part tap is obtained ₂The number of turn is 110 circles, with L ₂And around secondary coil L ₃The number of turn is 110 circles; Used copper conductor diameter is φ 1.25mm.

4. according to the described efficient mini electric welding machine of claim 1, it is characterized in that: the long 145mm of iron core, wide 98mm silicon steel sheet builds up, and thickness is 52mm; Sectional area 52 * the 35mm of iron core middle column ², the sectional area of two side columns equates, is respectively 1/2 of center pillar sectional area.