CN2659012Y - Direct current generating electric welling and are welding machine - Google Patents
Direct current generating electric welling and are welding machine Download PDFInfo
- Publication number
- CN2659012Y CN2659012Y CN 03260498 CN03260498U CN2659012Y CN 2659012 Y CN2659012 Y CN 2659012Y CN 03260498 CN03260498 CN 03260498 CN 03260498 U CN03260498 U CN 03260498U CN 2659012 Y CN2659012 Y CN 2659012Y
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- Prior art keywords
- winding
- phase
- rotor
- electric welding
- excitation
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- Synchronous Machinery (AREA)
Abstract
The utility model discloses a combination machine of electric welding and arc welding of DC generation which consists of a stator, a rotor and a control circuit, wherein a stator core is made of a qualified silicon steel sheet; a armature winding consists of a three-phase generating winding, a three-phase electric welding winding and two-phase excitation winding. A three-phase bridge rectification output is used; the excitation winding is formed by the parallel connection of two single-phase windings each of which is outputted to the excitation winding of the rotor after the single-phase rectification; a capacitor and a rheostat are used for regulating the resistance of the magnetic field for the purpose of a stepless regulation of welding current. The rotor uses a cast steel claw pole structure to form a soft external characteristic, which can not only increase the strength, stabilize the magnetic circuit, reduce the leakage flux but cast a plurality of pole claws to increase the pole number, raise the frequency, shape a more stable current after a rectification filtering for a level of quasi direct current and save a reactor. The utility model can realize a coaxial linkage with a diesel engine or a gasoline engine to be driven by a triangle belt, applied at the sites and projects including mine, railway construction, building construction, agricultural field operation, road and bridge construction which all operate in the field where a power supply is absent.
Description
Technical field
The utility model relates to a kind of DC generation, the direct-current electric welding dual-purpose generator.
Background technology
The source of welding current of the dual-purpose alternating current generator of tradition exists the welding arc shakiness to some extent, and welding slag splashes bigger, even has the current interruption phenomenon to take place.
The utility model content
The purpose of this utility model is to provide a kind of DC generation electric welding with using arc welder, and this motor magnetic circuit is stable, and performance is strong, reduces leakage field, improves frequency, and it is flat to reach collimation flowing water.
The utility model arc welder is made up of rotor, stator, collector ring, fan, air regulator cover plate and end cap, stator is supported by support, press-fit stator core in the support, embed three armature winding in the stator core slot, promptly generate electricity winding, electric welding winding and excitation winding, wherein generate electricity winding and electric welding winding are that three-phase star connects, and excitation winding is two-phase output, this three covers winding outlet comes out to enter the distribution box of support top by rear end cap side line outlet, and support is by being bolted on the underframe.
Described rotor is that two groups of pawl utmost point magnetic poles are staggered in aggregates with bolted, two groups of pawl utmost point magnetic poles totally 24 and solenoid are fitted in the rotating shaft, rotating shaft is supported on two bearings of front and rear cover, the rotating shaft front end is equipped with fan, the rear end is pressed with collector ring, and stator excitation winding alternating current is through being transferred to the rotor-exciting winding by the brush on the collector ring after the rectification; Be provided with the air regulator cover plate in the front and rear cover side, fastening on it by screw.
The utility model dual-purpose generator, be on the basis of conventional AC dual-purpose generator, to improve design, the magnetic pole that replaces the pole piece of traditional low carbon steel plate punching press to change with the pawl formula field structure of cast steel in the rotor magnetic pole of motor was both gained in strength, and magnetic circuit is stable, reduce leakage field, also can cast out a plurality of utmost point pawls, increase number of poles, improve frequency, make the direct current behind the rectifying and wave-filtering more steady, it is flat to reach collimation flowing water.So the direct current welding arc is more steady, no welding slag splash phenomena; Lay generating winding, electric welding winding and excitation winding in the iron core slot that stator changes with the high-quality dynamo sheet, generating winding and electric welding winding connect for three-phase star, export with three-phase bridge rectification.Excitation winding is to be defeated by the rotor-exciting winding after two groups of parallel single-phase rectifications, and uses capacitor C
1, C
2And rheostat R regulates field resistance reaching the adjusting exciting current, thereby reaches the purpose of step-less adjustment welding current.Can with diesel engine or gasoline engine is coaxial connect, also available V belt transmission is used for the place that fields such as mine, construction of railways, architectural engineering, farmland operation, highway, bridge construction lack power supply.
Description of drawings
Fig. 1 is the electric welding of the utility model DC generation with partly cuing open figure with the arc welder front view;
Fig. 2 is the electrical schematic diagram of the utility model Fig. 1.
Embodiment
As shown in Figure 1: arc welder is by rotor, stator, collector ring 15, fan 4, air regulator cover plate 24 and end cap 2, stator is supported by support 21, press-fit stator core 20 in the support, embed three armature winding 8 in the stator core slot, promptly generate electricity winding, electric welding winding and excitation winding, wherein generate electricity winding and electric welding winding is that three-phase star connects, excitation winding is two groups of parallel single-phase outputs, this three covers winding outlet comes out to enter the distribution box of support top by rear end cap side line outlet, and support 21 is by being bolted on the underframe 7.
Described rotor is that two groups of pawl utmost point magnetic poles 5 are staggered in aggregates with bolted, and totally 24 pawl utmost point magnetic poles and solenoid 6 are fitted in the rotating shaft 1.Rotating shaft is supported on two bearings 3 of front and rear cover 2, in the lid of rear and front end bearing chamber is arranged, to lay ball bearing, the axle front end is equipped with fan 4, the rear end is pressed with collector ring 15, and the alternating current of stator excitation winding is through being transferred to the rotor-exciting winding by the brush on the collector ring 15 after the rectification.The front and rear cover side is with the fastening air regulator cover plate 24 of screw, in case solid enters.
As shown in Figure 2, GS is a generator unit stator, and two cover three phase windings and two groups of single-phase windings are arranged on it.Generating winding output identification is U, V, W, through FU
1-3Protector is given three-phase bridge rectifier VC
2Output 220V direct current.PV is a D.C. voltmeter, PA
2Be DC ammeter.Electric welding winding output identification is U
H, V
H, W
HThrough three-phase bridge rectifier VC
1The output floating voltage is the 60V direct voltage, and the direct current welding current can be regulated arbitrarily between 0～240A, and measuring instrument is PA
1Also have two groups of single-phase excitation winding, its output identification is f
11, f
12And f
21, f
22Through diode V
1, V
2FV is passed through in output in parallel
4Protector connects magnetic field winding and field rheostat R.
Rotor-exciting winding output identification is F
1, F
2, excitation capacitor C
1Connect and then in parallel compound excitation capacitor C with excitation winding with field rheostat R
2With in parallel with the magnetic field winding again after current regulating switch K connects.
Operation principle: drag down at prime mover, generator amature begins to rotate, the remanent magnetism of rotor produces the remanent magnetism electromotive force in stator three cover windings, the AC Electric Heater of stator excitation winding is input to the rotor-exciting winding through single-phase rectifier and filtering by collector ring, thereby strengthen remanent magnetism magnetic field, this magnetic field again and then increase the electromotive forces of three covers in the windings, excitation so repeatedly, thereby make generating and electric welding voltage reach rated value, thereby the adjusting of the source of welding current can rely on electric capacity accurate adjustment and rheostat fine tuning to reach the purpose that the step-less adjustment exciting current is regulated welding current.The K that closes a switch incorporates C into
2, increasing electric capacity, welding current increases, cut-off switch K, excision C
2, reduce electric capacity, a C
1, R works, and reduces so electric current is corresponding, reaches 8KM during welding at full capacity, is designed to 4KM during generating and drives the usefulness of small appliance for hand grinding tool, illumination, can use simultaneously if be no more than at generating and electric welding total load under the situation of 8KM.
Claims (2)
1, a kind of DC generation electric welding, is characterized in that by rotor, stator, collector ring, fan, air regulator cover plate and end cap with using arc welder:
Stator is supported by support (21), press-fit stator core (20) in the support, embed three armature winding (8) in the stator core slot, promptly generate electricity winding, electric welding winding and excitation winding, wherein generate electricity winding and electric welding winding is that three-phase star connects, excitation winding is two-phase output, and this three covers winding outlet comes out to enter the distribution box of support (21) top by rear end cap side line outlet, and support is by being bolted on the underframe (7);
Described rotor is that two groups of pawl utmost point magnetic poles (5) are staggered in aggregates with bolted, and two groups of pawl utmost point magnetic poles totally 24 and solenoid (6) are fitted in the rotating shaft (1); Rotating shaft is supported on two bearings (3) of front and rear cover (2), the axle front end is equipped with fan (4), the rear end is pressed with collector ring (15), the alternating current of stator excitation winding is through being transferred to the rotor-exciting winding by the brush on the collector ring after the rectification, be provided with air regulator cover plate (24) in front and rear cover (2) side, fastening on it by screw.
2, DC generation electric welding according to claim 1 is characterized in that with using arc welder: three armature winding that embed in the described stator core slot, the generating winding is through FU
1-3Protector is given three-phase bridge rectifier VC
2Output 220V direct current; The electric welding winding is through three-phase bridge rectifier VC
1The output floating voltage is the 60V direct voltage; The direct current welding current can be between 0～240A step-less adjustment; Two groups of single-phase excitation winding are through diode V
1, V
2FV is passed through in output in parallel
4Protector connects magnetic field winding and field rheostat R; The excitation capacitor C of rotor-exciting winding
1Connect and then in parallel compound excitation capacitor C with excitation winding with field rheostat R
2With in parallel with the magnetic field winding again after current regulating switch K connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03260498 CN2659012Y (en) | 2003-09-02 | 2003-09-02 | Direct current generating electric welling and are welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03260498 CN2659012Y (en) | 2003-09-02 | 2003-09-02 | Direct current generating electric welling and are welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2659012Y true CN2659012Y (en) | 2004-11-24 |
Family
ID=34329152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03260498 Expired - Fee Related CN2659012Y (en) | 2003-09-02 | 2003-09-02 | Direct current generating electric welling and are welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2659012Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266935A (en) * | 2011-06-29 | 2011-12-07 | 章祖文 | Casting device composed of alternated current/direct current gas shielded electric welder and mobile intermediate frequency mould |
| CN102522868A (en) * | 2011-12-12 | 2012-06-27 | 南京航空航天大学 | Double excitation-winding compound-excitation double-salient brushless direct-current generator |
| CN101515745B (en) * | 2008-02-18 | 2012-06-27 | 金丰电子(苏州)有限公司 | Series excited motor and speed regulation and control method thereof |
| CN102825361A (en) * | 2012-09-17 | 2012-12-19 | 邓小健 | Portable multifunctional field operation electric welding machine |
| CN103915968A (en) * | 2013-01-08 | 2014-07-09 | 济南吉美乐电源技术有限公司 | Electro-magnetic doubly-salient electric generator with two three-phase four-wire rectification double-capacitor excitation windings |
| CN106112213A (en) * | 2016-08-10 | 2016-11-16 | 电王精密电器(北京)有限公司 | A kind of permanent-magnetic variable-frequency engine welder |
| CN114244019A (en) * | 2021-12-16 | 2022-03-25 | 钱江集团温岭正峰动力有限公司 | Engine-driven power generation and electric welding dual-purpose machine |
-
2003
- 2003-09-02 CN CN 03260498 patent/CN2659012Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101515745B (en) * | 2008-02-18 | 2012-06-27 | 金丰电子(苏州)有限公司 | Series excited motor and speed regulation and control method thereof |
| CN102266935A (en) * | 2011-06-29 | 2011-12-07 | 章祖文 | Casting device composed of alternated current/direct current gas shielded electric welder and mobile intermediate frequency mould |
| CN102266935B (en) * | 2011-06-29 | 2014-08-27 | 章祖文 | Casting device composed of alternated current/direct current gas shielded electric welder and mobile intermediate frequency mould |
| CN102522868A (en) * | 2011-12-12 | 2012-06-27 | 南京航空航天大学 | Double excitation-winding compound-excitation double-salient brushless direct-current generator |
| CN102825361A (en) * | 2012-09-17 | 2012-12-19 | 邓小健 | Portable multifunctional field operation electric welding machine |
| CN102825361B (en) * | 2012-09-17 | 2015-02-04 | 邓小健 | Portable multifunctional field operation electric welding machine |
| CN103915968A (en) * | 2013-01-08 | 2014-07-09 | 济南吉美乐电源技术有限公司 | Electro-magnetic doubly-salient electric generator with two three-phase four-wire rectification double-capacitor excitation windings |
| CN106112213A (en) * | 2016-08-10 | 2016-11-16 | 电王精密电器(北京)有限公司 | A kind of permanent-magnetic variable-frequency engine welder |
| CN106112213B (en) * | 2016-08-10 | 2018-01-09 | 电王精密电器(北京)有限公司 | A kind of permanent-magnetic variable-frequency engine welder |
| CN114244019A (en) * | 2021-12-16 | 2022-03-25 | 钱江集团温岭正峰动力有限公司 | Engine-driven power generation and electric welding dual-purpose machine |
| CN114244019B (en) * | 2021-12-16 | 2023-05-16 | 钱江集团温岭正峰动力有限公司 | Dual-purpose machine for engine driving, power generation and electric welding |
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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 |