CN204290279U - A kind of automatic power-off protection device of station maintenance electric welding machine - Google Patents
A kind of automatic power-off protection device of station maintenance electric welding machine Download PDFInfo
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- CN204290279U CN204290279U CN201420761202.3U CN201420761202U CN204290279U CN 204290279 U CN204290279 U CN 204290279U CN 201420761202 U CN201420761202 U CN 201420761202U CN 204290279 U CN204290279 U CN 204290279U
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- diode
- inductance
- switch
- electric capacity
- resistance
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Abstract
The utility model discloses a kind of automatic power-off protection device of steel body electric welding machine, the utility model comprises the first switch to the 4th switch, first electric capacity is to the 5th electric capacity, first inductance is to the 9th inductance, transformer, rectifier transformer, first diode is to the 9th diode, triode, first relay, second relay, rectifier, first resistance, second resistance, 3rd resistance and the 4th resistance, the utility model circuit circuit is simple, practicability and effectiveness, optimize traditional design, by signal power source, the structure compositions such as transistor amplification and control circuit, power-off protection operation can be carried out effectively rapidly, protect machine, save resource.
Description
Technical field
The utility model relates to a kind of electric welding machine power-off protection apparatus, particularly relates to the automatic power-off protection device of a kind of station maintenance electric welding machine.
Background technology
Along with improving constantly of manufacturing technology; the various performances of electric welding machine are constantly improved, and towards efficient, energy saving direction development, but we find that various types of electric welding machine is when its work; none can close its working power automatically; avoid no-load running, electric welder no-load runs, and its iron loss increases; and long-time no-load running has unsafe factor; it is long that traditional power-off protection apparatus also exists time delay, through Long-Time Service, and the shortcomings such as sluggish.
Utility model content
The purpose of this utility model is just to provide a kind of station to keep in repair the automatic power-off protection device of electric welding machine to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises the first switch, second switch, 3rd switch, 4th switch, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, 5th electric capacity, first inductance, second inductance, 3rd inductance, 4th inductance, 5th inductance, 6th inductance, 7th inductance, 8th inductance, 9th inductance, transformer, rectifier transformer, first diode, second diode, 3rd diode, 4th diode, 5th diode, 6th diode, 7th diode, 8th diode, 9th diode, triode, first relay, second relay, rectifier, first resistance, second resistance, 3rd resistance and the 4th resistance, the first-phase line end of power supply is connected with the first end of described first switch, the second-phase line end of described power supply is connected with the first end of described second switch, the third phase line end of described power supply is connected with the first end of described 3rd switch, the zero line grounding of described power supply, second end of described first switch is connected with the first end of described first electric capacity, the second end of described second switch simultaneously with the first end of described second electric capacity, the switch of described first relay is connected with the switch of described second relay, second end of described 3rd switch is connected with the second end of described 4th switch and described second relay simultaneously, described second end of the 4th switch is connected with the first end of the first winding of described transformer, second end ground connection of the first winding of described transformer, the first end of the second winding of described transformer is connected with the power input of described rectifier, second end of the second winding of described transformer is connected with the power input of described rectifier, the negative pole end of described rectifier simultaneously with the second end of described 4th electric capacity, the emitter of described triode, the positive terminal of described 8th diode, second end of described 8th inductance, the positive terminal of described 7th diode, the positive terminal of described 4th diode is connected with the negative pole end of described first diode, the positive terminal of described rectifier simultaneously with the first end of described 4th electric capacity, the positive terminal of described 9th diode is connected with the collector terminal of described triode, the negative pole of described 9th diode is connected with the first end of described 5th electric capacity, second end of described 5th electric capacity is connected with the first end of described 3rd resistance, the second end of described 3rd resistance simultaneously with the base stage of described triode, the first end of described second resistance connects, second end of described second resistance is connected with the negative pole end of described 8th diode and the first end of described first resistance simultaneously, second end of described first resistance is connected with the negative pole end of described 7th diode, second end of described first electric capacity is connected with the first end of described first inductance, second end of described second electric capacity is connected with the first end of described second inductance, second end of described 3rd electric capacity is connected with the first end of described 3rd inductance, second end of described 3rd inductance is connected with the first end of described 5th inductance, second end of described second inductance is connected with the first end of described 7th inductance, second end of described 3rd inductance is connected with the first end of described 9th inductance, the described first end of the 8th inductance is connected with the first end of the first primary coil of described rectifier transformer, second end of the first primary coil of described rectifier transformer is connected with the first end of described 4th inductance, second end of described 4th inductance simultaneously with the negative pole end of described 3rd diode, the positive terminal of described 5th diode connects, the positive terminal of described first diode simultaneously with the positive terminal of described second diode, the positive terminal of described 3rd diode is connected with the second end of described 4th resistance, the first end of described 4th resistance simultaneously with the negative pole end of described 6th diode, the negative pole end of described 5th diode is connected with the negative pole end of described 4th diode.
The beneficial effects of the utility model are:
The utility model circuit circuit is simple, and practicability and effectiveness, optimizes traditional design, is made up of, can carries out power-off protection operation effectively rapidly, protect machine, save resource structures such as signal power source, transistor amplification and control circuits.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises the first switch S 1, second switch S2, 3rd switch S 3, 4th switch S 4, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, 5th electric capacity C5, first inductance X1, second inductance X2, 3rd inductance X3, 4th inductance X4, 5th inductance X5, 6th inductance X6, 7th inductance X7, 8th inductance X8, 9th inductance X9, transformer T, rectifier transformer ZB, first diode D1, second diode D2, 3rd diode D3, 4th diode D4, 5th diode D5, 6th diode D6, 7th diode D7, 8th diode D8, 9th diode D9, triode Q, first relay J 1, second relay J 2, rectifier VD, first resistance R1, second resistance R2, 3rd resistance R3 and the 4th resistance R4, the first-phase line end A of power supply is connected with the first end of the first switch S 1, the second-phase line end B of power supply is connected with the first end of second switch S2, the third phase line end C of power supply is connected with the first end of the 3rd switch S 3, the zero line O ground connection of power supply, second end of the first switch S 1 is connected with the first end of the first electric capacity C1, second end of second switch S2 simultaneously with the first end of the second electric capacity C2, the switch of the first relay J 1 is connected with the switch of the second relay J 2, second end of the 3rd switch S 3 is connected with the second end of the 4th switch S 4 and the second relay J 2 simultaneously, second end of the 4th switch S 4 is connected with the first end of first winding of transformer T, second end ground connection of first winding of transformer T, the first end of second winding of transformer T is connected with the power input of rectifier VD, second end of second winding of transformer T is connected with the power input of rectifier VD, the negative pole end of rectifier VD simultaneously with second end of the 4th electric capacity C4, the emitter of triode Q, the positive terminal of the 8th diode D8, second end of the 8th inductance X8, the positive terminal of the 7th diode D7, the positive terminal of the 4th diode D4 is connected with the negative pole end of the first diode D1, the positive terminal of rectifier VD simultaneously with the first end of the 4th electric capacity C4, the positive terminal of the 9th diode D9 is connected with the collector terminal of triode Q, the negative pole of the 9th diode D9 is connected with the first end of the 5th electric capacity C5, second end of the 5th electric capacity C5 is connected with the first end of the 3rd resistance R3, second end of the 3rd resistance R3 simultaneously with the base stage of triode Q, the first end of the second resistance R2 connects, second end of the second resistance R2 is connected with the negative pole end of the 8th diode D8 and the first end of the first resistance R1 simultaneously, second end of the first resistance R1 is connected with the negative pole end of the 7th diode D7, second end of the first electric capacity C1 is connected with the first end of the first inductance X1, second end of the second electric capacity C2 is connected with the first end of the second inductance X2, second end of the 3rd electric capacity C3 is connected with the first end of the 3rd inductance X3, second end of the 3rd inductance X3 is connected with the first end of the 5th inductance X5, second end of the second inductance X2 is connected with the first end of the 7th inductance X7, second end of the 3rd inductance X3 is connected with the first end of the 9th inductance X9, the first end of the 8th inductance X8 is connected with the first end of first primary coil of rectifier transformer ZB, second end of first primary coil of rectifier transformer ZB is connected with the first end of the 4th inductance X4, second end of the 4th inductance X4 simultaneously with the negative pole end of the 3rd diode D3, the positive terminal of the 5th diode D5 connects, the positive terminal of the first diode D1 simultaneously with the positive terminal of the second diode D2, the positive terminal of the 3rd diode D3 is connected with second end of the 4th resistance R4, the first end of the 4th resistance R4 simultaneously with the negative pole end of the 6th diode D6, the negative pole end of the 5th diode D5 is connected with the negative pole end of the 4th diode D4.
Claims (1)
1. an automatic power-off protection device for station maintenance electric welding machine, is characterized in that: comprise the first switch, second switch, 3rd switch, 4th switch, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, 5th electric capacity, first inductance, second inductance, 3rd inductance, 4th inductance, 5th inductance, 6th inductance, 7th inductance, 8th inductance, 9th inductance, transformer, rectifier transformer, first diode, second diode, 3rd diode, 4th diode, 5th diode, 6th diode, 7th diode, 8th diode, 9th diode, triode, first relay, second relay, rectifier, first resistance, second resistance, 3rd resistance and the 4th resistance, the first-phase line end of power supply is connected with the first end of described first switch, the second-phase line end of described power supply is connected with the first end of described second switch, the third phase line end of described power supply is connected with the first end of described 3rd switch, the zero line grounding of described power supply, second end of described first switch is connected with the first end of described first electric capacity, the second end of described second switch simultaneously with the first end of described second electric capacity, the switch of described first relay is connected with the switch of described second relay, second end of described 3rd switch is connected with the second end of described 4th switch and described second relay simultaneously, described second end of the 4th switch is connected with the first end of the first winding of described transformer, second end ground connection of the first winding of described transformer, the first end of the second winding of described transformer is connected with the power input of described rectifier, second end of the second winding of described transformer is connected with the power input of described rectifier, the negative pole end of described rectifier simultaneously with the second end of described 4th electric capacity, the emitter of described triode, the positive terminal of described 8th diode, second end of described 8th inductance, the positive terminal of described 7th diode, the positive terminal of described 4th diode is connected with the negative pole end of described first diode, the positive terminal of described rectifier simultaneously with the first end of described 4th electric capacity, the positive terminal of described 9th diode is connected with the collector terminal of described triode, the negative pole of described 9th diode is connected with the first end of described 5th electric capacity, second end of described 5th electric capacity is connected with the first end of described 3rd resistance, the second end of described 3rd resistance simultaneously with the base stage of described triode, the first end of described second resistance connects, second end of described second resistance is connected with the negative pole end of described 8th diode and the first end of described first resistance simultaneously, second end of described first resistance is connected with the negative pole end of described 7th diode, second end of described first electric capacity is connected with the first end of described first inductance, second end of described second electric capacity is connected with the first end of described second inductance, second end of described 3rd electric capacity is connected with the first end of described 3rd inductance, second end of described 3rd inductance is connected with the first end of described 5th inductance, second end of described second inductance is connected with the first end of described 7th inductance, second end of described 3rd inductance is connected with the first end of described 9th inductance, the described first end of the 8th inductance is connected with the first end of the first primary coil of described rectifier transformer, second end of the first primary coil of described rectifier transformer is connected with the first end of described 4th inductance, second end of described 4th inductance simultaneously with the negative pole end of described 3rd diode, the positive terminal of described 5th diode connects, the positive terminal of described first diode simultaneously with the positive terminal of described second diode, the positive terminal of described 3rd diode is connected with the second end of described 4th resistance, the first end of described 4th resistance simultaneously with the negative pole end of described 6th diode, the negative pole end of described 5th diode is connected with the negative pole end of described 4th diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761202.3U CN204290279U (en) | 2014-12-05 | 2014-12-05 | A kind of automatic power-off protection device of station maintenance electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761202.3U CN204290279U (en) | 2014-12-05 | 2014-12-05 | A kind of automatic power-off protection device of station maintenance electric welding machine |
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| Publication Number | Publication Date |
|---|---|
| CN204290279U true CN204290279U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420761202.3U Expired - Fee Related CN204290279U (en) | 2014-12-05 | 2014-12-05 | A kind of automatic power-off protection device of station maintenance electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204290279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466910A (en) * | 2014-12-05 | 2015-03-25 | 成都英力拓信息技术有限公司 | Automatic power-off protection device of station maintenance electric welding machine |
-
2014
- 2014-12-05 CN CN201420761202.3U patent/CN204290279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466910A (en) * | 2014-12-05 | 2015-03-25 | 成都英力拓信息技术有限公司 | Automatic power-off protection device of station maintenance electric welding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151205 |
|
| EXPY | Termination of patent right or utility model |