CN2331471Y - Multifunction electric welding machine - Google Patents
Multifunction electric welding machine Download PDFInfo
- Publication number
- CN2331471Y CN2331471Y CN 98228914 CN98228914U CN2331471Y CN 2331471 Y CN2331471 Y CN 2331471Y CN 98228914 CN98228914 CN 98228914 CN 98228914 U CN98228914 U CN 98228914U CN 2331471 Y CN2331471 Y CN 2331471Y
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- CN
- China
- Prior art keywords
- welding
- bridge rectifier
- primary
- electric welding
- pass filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a multifunction electric welding machine, comprising a welding transformer, a primary converting switch, a secondary converting switch and a bridge rectifier with high power, wherein, the primary converting switch is connected with the taps of the turns of the primary coil of the welding transformer; the taps of the turns of the secondary coil of the welding transformer are connected with the secondary converting switch; the output end of the secondary converting switch is connected with an n-shaped low-pass filter by the bridge rectifier; the n-shaped low-pass filter is then connected with a disk varistor. The utility model integrates a plurality of functions of welding of alternating current and direct current, spot welding, butt welding, welding without flame, starting testing of automobiles and battery charging. The utility model saves money, labor and time and is a replacement of an electric welding machine.
Description
The utility model discloses a kind of electric welding machine, be useful for various alternating current-direct current electric welding, spot welding, butt welding, nonflame weldering and occasions such as automobile start test run and storage battery charging and use.
Because the swift and violent increase of vehicles quantity such as automobile, motorcycle, agricultural vehicle, the producer that repairs is more and more, and according to incompletely statistics, the whole nation has about vehicle repairing factory 120,000 families approximately at present, and wherein major part is small-sized workshop-based repair shop.In these little repair plants, the equipment of required various functions such as electric welding, spot welding, butt welding, automobile start test run and storage battery charging must allly possess in the course of work, make that the economic on the one hand expenditure of producer is excessive, the utilization rate of various device is too low again on the other hand, this is external when carrying out engine adjustment, test run, because repeated multiple times starts, excessive to storage battery consumption, even damage storage battery.Through investigation, numerous repair plants earnestly wish to have the multifunction electric welding machine of suitable Automobile Service characteristics to become the task of top priority.
The purpose of this utility model is to propose a kind of multifunction electric welding machine that integrates alternating current-direct current electric welding, spot welding, butt welding, nonflame weldering and functions such as automobile start test run and storage battery charging.
The technical scheme that realizes above-mentioned purpose is: a kind of multifunction electric welding machine, comprise welding transformer, primary switcher, secondary change-over switch and bridge rectifier, each circle of the primary coil of primary switcher and welding transformer is imitated tap and is joined, each number of turn tap of the secondary coil of welding transformer connects secondary change-over switch, the output of secondary change-over switch connects bridge rectifier, it is characterized in that: the output of bridge rectifier is connected to π type low pass filter, connects the disk rheostat behind the π type low pass filter.
Rectifying tube in the bridge rectifier is the power rectifier pipe of ZCZ150V150A.
The tap of 220V/380V power supply is arranged on the primary coil of welding transformer and be connected to transfer switch.
Multifunction electric welding machine according to the such scheme making, according to exchanging the desired different voltage and currents of function separately such as electric welding, direct-current electric welding, spot welding, butt welding, nonflame weldering, automobile start test run, storage battery charging, required turn ratio tap is set when the primary and secondary winding of coiling welding transformer.Change the turn ratio of primary and secondary coil by primary and secondary change-over switch, can satisfy different electric currents and voltage request when exchanging electric welding, spot welding, butt welding, nonflame weldering.When needs carry out automobile start test run, storage battery charging and direct-current electric welding, except that by switching the turn ratio that primary and secondary change-over switch changes primary and secondary coil, to the bridge rectifier that constitutes via four 2CZ150V150A power rectifier pipes and the output behind the π type low pass filter, obtain different voltage and currents by regulating the rheostatic resistance value of disk, satisfied the requirement of automobile start test run and storage battery charging, thereby reach a tractor serves several purposes, save money, the saving of labor, save time, realized the purpose of this utility model.
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1 is a kind of circuit structure diagram of the present utility model.
Embodiment: with reference to Fig. 1, a kind of multifunction electric welding machine is by welding transformer B, primary switcher K
1, disk rheostat BZ, secondary change-over switch K
2, bridge rectifier ZL, capacitor and inductor formula π type low pass filter and transfer switch K
3Form, wherein: primary switcher K
1Primary coil L with welding transformer B
1Be equipped with different number of turn tap X
1～X
7Join, when power supply is 220V, transfer switch K
3Meet primary coil tap A1, when power supply is 380V, transfer switch K
3Meet primary coil tap A, secondary change-over switch K
2Secondary coil L with welding transformer B
2Variant number of turn tap x, x
1～x
4Join secondary change-over switch K
2Output termination bridge rectifier ZL, the output of bridge rectifier ZL is connected to capacitor and inductor formula π type low pass filter, meets disk rheostat BZ behind the capacitor and inductor formula π type low pass filter.The π type low pass filter here also can be capacitance resistance formula π type low pass filter except that being the capacitor and inductor formula, can also be the low pass filter of other form.
Each parameter value: A-X among Fig. 1
7Be 542 circles, A-X
6Be 522 circles, A-X
5Be 502 circles, A-X
4Be 487 circles, A-X
3Be 472 circles, A-X
2Be 462 circles, A-X
1Be 452 circles, a-x
1Be 4 circles, a-x
2Be 10 circles, a-x
3Be 20 circles, a-x
4Be 40 circles, A-x is 85 circles, the power rectifier pipe that four rectifying tubes among the bridge rectifier ZL are 2CZ150V150A, and two capacitor C in the π type low pass filter are 200 microfarads, and inductance L is 23.5 millihenries, and detects ammeter for output,
For output detects voltmeter.
The course of work when being used to exchange electric welding, direct-current electric welding, spot welding, butt welding, nonflame weldering, automobile start test run and storage battery charging:
(1) exchanges electric welding: the secondary a-x that connects, floating voltage 60V～70V, operating voltage 30V, output-current rating 250A, regulate electric current by primary switcher change reactance and voltage, electric current adjustable range 62.5A～312.5A carries water holdup 80～20% temporarily, be used for φ 2mm～φ 4mm welding rod, do general welding and use.
(2) direct-current electric welding: with secondary change-over switch K
2Meet tap x, output dc voltage 54V～63V behind bridge rectifier and π type low pass filter, control method and model circle be with to exchange electric welding identical, can be used for important weldment such as stainless steel and use.
(3) spot welding and butt welding: with secondary change-over switch K
2Meet tap x
1, output floating voltage 2V～3V, output current 800A～2000A, current control process is with (1).Can be used for≤3mm * spot welding of 3mm steel plate arcing time factor 10%; Also can be used as the repair welding of automobile box body combinations, be used for≤φ 12 workpiece butt welding.
(4) nonflame weldering: with secondary change-over switch K
2Meet tap x
2, output floating voltage 6V～8V, output current 500A～1200A, voltage, current control process are with (1).Be applicable to silver-colored zinc, the phosphor-copper welding of high-pressure oil pipe, heavy in section copper conductor etc., speed is fast, no flame, and a local heating, less and can be used for air-conditioning, refrigerator repairing to the one-piece machine member influence.
(5) automobile start test run:
With secondary change-over switch K
2Meet tap x
3, its ac output voltage 14V, behind bridge rectifier and π type low pass filter, output dc voltage 〉=12V is used for this voltage level starter test run.
With secondary change-over switch K
2Meet tap x
4, its ac output voltage 28V, behind bridge rectifier and π type low pass filter, output dc voltage 〉=24V is used for 5～7 horsepowers of starter test runs of this electric pressure.
Because the automobile start here is to start by the electric current behind the transformer step-down rectifier, therefore the starter to various voltages, power all can start use repeatedly, repeatedly, not limited by number of starts, and starting torque is big, uniform and stable.Overcome deficiency with the storage battery starting.
(7) storage battery charging; By with secondary change-over switch K
2Meet tap x respectively
2, x
3, x
4, after rectification, be applicable to the storage battery charging of 6V, 12V, 24V respectively.Because what adopt is through rectification and filtered constant-voltage charge, and regulates electric current by the disk rheostat, therefore the charging current of exportable 2A～100A connects by series and parallel, applicable single group or organize storage battery more and charge simultaneously.
Claims (3)
1, a kind of multifunction electric welding machine, comprise welding transformer, primary switcher, secondary change-over switch and bridge rectifier, each number of turn tap of the primary coil of primary switcher and welding transformer is joined, each number of turn tap of the secondary coil of welding transformer connects secondary change-over switch, the output of secondary change-over switch connects bridge rectifier, it is characterized in that: the output of bridge rectifier is connected to π type low pass filter, connects the disk rheostat behind the π type low pass filter.
2, a kind of multifunction electric welding machine according to claim 1 is characterized in that: the rectifying tube in the bridge rectifier is the power rectifier pipe of 2CZ150V150A.
3, a kind of multifunction electric welding machine according to claim 1 is characterized in that: have 220 on the primary coil of welding transformer
v/ 380
vPower supply tap and be connected to transfer switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98228914 CN2331471Y (en) | 1998-05-29 | 1998-05-29 | Multifunction electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98228914 CN2331471Y (en) | 1998-05-29 | 1998-05-29 | Multifunction electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2331471Y true CN2331471Y (en) | 1999-08-04 |
Family
ID=33978915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98228914 Expired - Fee Related CN2331471Y (en) | 1998-05-29 | 1998-05-29 | Multifunction electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2331471Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414324A (en) * | 2013-07-29 | 2013-11-27 | 国家电网公司 | Low-voltage alternating-current and direct-current power source output device |
| CN106100354A (en) * | 2016-07-18 | 2016-11-09 | 芜湖市安瑞电热带制造有限公司 | Power-switching circuit and well control equipment pipe fitting electric heating thermal insulation cover |
-
1998
- 1998-05-29 CN CN 98228914 patent/CN2331471Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414324A (en) * | 2013-07-29 | 2013-11-27 | 国家电网公司 | Low-voltage alternating-current and direct-current power source output device |
| CN106100354A (en) * | 2016-07-18 | 2016-11-09 | 芜湖市安瑞电热带制造有限公司 | Power-switching circuit and well control equipment pipe fitting electric heating thermal insulation cover |
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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 |