CN204010883U - A kind of simple and easy demagnetization circuit - Google Patents
A kind of simple and easy demagnetization circuit Download PDFInfo
- Publication number
- CN204010883U CN204010883U CN201420308336.XU CN201420308336U CN204010883U CN 204010883 U CN204010883 U CN 204010883U CN 201420308336 U CN201420308336 U CN 201420308336U CN 204010883 U CN204010883 U CN 204010883U
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- China
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- bidirectional
- potentiometer
- bidirectional thyristor
- electric capacity
- circuit
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Abstract
The utility model discloses a kind of simple and easy demagnetization circuit, be included in 220V alternating current circuit, connect successively anti-magnetized coil, resistance, potentiometer and electric capacity; Its two ends bidirectional thyristor in parallel after resistance, potentiometer and capacitances in series, one end that electric capacity and bidirectional thyristor connect is altogether connected to one end of AC power, between the control utmost point of one end that electric capacity and potentiometer connect altogether and bidirectional thyristor, a bidirectional trigger diode is set, by bidirectional trigger diode, is controlled the triggering of bidirectional thyristor.Simple and easy demagnetization circuit of the present utility model, can select conventional components and parts to form, and demagnetization speed is fast, and degaussing is effective, and reliability is high, good stability.
Description
Technical field
The utility model relates to a kind of simple and easy demagnetization circuit, belongs to electronic technology field.
Background technology
After the use such as electromagnetic clutch, the contactor long period, can not cause throwing off in time owing to producing remanent magnetism, affected the break-make of circuit.Therefore must regularly demagnetize to the device of this easy generation remanent magnetism, eliminate magnetization phenomenon, guarantee its reliability.
Utility model content
Technical problem to be solved in the utility model is the defect that overcomes prior art, and a kind of simple and easy demagnetization circuit is provided, and cost is low, and demagnetization speed is fast, effective.
For solving the problems of the technologies described above, the utility model provides a kind of simple and easy demagnetization circuit, it is characterized in that, is included in anti-magnetized coil, resistance, potentiometer and the electric capacity of in 220V alternating current circuit, connecting successively;
Its two ends bidirectional thyristor in parallel after resistance, potentiometer and capacitances in series, one end that electric capacity and bidirectional thyristor connect is altogether connected to one end of AC power, between the control utmost point of one end that electric capacity and potentiometer connect altogether and bidirectional thyristor, a bidirectional trigger diode is set, by bidirectional trigger diode, is controlled the triggering of bidirectional thyristor.
A described anti-magnetized coil two ends indicator light in parallel, by the change in voltage situation on the brightness indication anti-magnetized coil of indicator light.
220V alternating current passes through anti-magnetized coil, resistance to capacitor charging; When the charging voltage at electric capacity two ends reaches the breakover voltage of bidirectional trigger diode, bidirectional trigger diode conducting, the electric charge on electric capacity is through the control utmost point electric discharge of bidirectional trigger diode and bidirectional thyristor, bidirectional thyristor triggering and conducting; Regulator potentiometer, changes the charging speed of electric capacity, makes voltage on anti-magnetized coil from low to high, more constantly repeatedly changes from high to low, and the remanent magnetism for the treatment of demagnetization device is eliminated.
By isolating switch, controlled the break-make of whole circuit.
In 220V alternating current circuit, be also in series with the fuse for circuit protection.
Bidirectional trigger diode adopts 2CTS type.
The beneficial effect that the utility model reaches:
Simple and easy demagnetization circuit of the present utility model, can select conventional components and parts to form, and demagnetization speed is fast, and degaussing is effective, and reliability is high, good stability.
Accompanying drawing explanation
Fig. 1 is simple and easy demagnetization circuit schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection range of the present utility model with this.
Simple and easy demagnetization circuit of the present utility model, is used for electromagnetic clutch and contactor etc. to be with magnetic device to carry out demagnetization.Fuse FU, anti-magnetized coil L, resistance R, potentiometer RP and the capacitor C of in 220V alternating current circuit, connecting successively as shown in Figure 1.Circuit is by the break-make of isolating switch QS control circuit.By fuse FU, carry out circuit protection.
An anti-magnetized coil L two ends indicator light H in parallel, by the change in voltage situation on the brightness indication anti-magnetized coil L of indicator light H.
Its two ends bidirectional thyristor V in parallel after resistance R, potentiometer RP and capacitor C series connection, one end that capacitor C and bidirectional thyristor V connect is altogether connected to one end of AC power, between one end that capacitor C and potentiometer RP connect altogether and the control utmost point of bidirectional thyristor V, a bidirectional trigger diode VD is set.By bidirectional trigger diode VD, controlled the triggering of bidirectional thyristor V.
220V alternating current charges to capacitor C by anti-magnetized coil L, resistance R.When the charging voltage at capacitor C two ends reaches the breakover voltage of bidirectional trigger diode VD, bidirectional trigger diode VD conducting, the electric charge in capacitor C discharges extremely rapidly through the control of bidirectional trigger diode VD and bidirectional thyristor V, bidirectional thyristor V triggering and conducting.Regulator potentiometer RP, changes the charging speed of capacitor C, make voltage on anti-magnetized coil L (approximately 210 V) from low to high, then (about OV) changes from high to low, repeatedly several times, the remanent magnetism for the treatment of demagnetization device eliminated.
In the present embodiment, bidirectional trigger diode VD adopts 2CTS type.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and distortion, these improvement and distortion also should be considered as protection range of the present utility model.
Claims (5)
1. a simple and easy demagnetization circuit, is characterized in that, is included in anti-magnetized coil, resistance, potentiometer and the electric capacity of in 220V alternating current circuit, connecting successively;
Its two ends bidirectional thyristor in parallel after resistance, potentiometer and capacitances in series, one end that electric capacity and bidirectional thyristor connect is altogether connected to one end of AC power, between the control utmost point of one end that electric capacity and potentiometer connect altogether and bidirectional thyristor, a bidirectional trigger diode is set, by bidirectional trigger diode, is controlled the triggering of bidirectional thyristor.
2. simple and easy demagnetization circuit according to claim 1, is characterized in that, a described anti-magnetized coil two ends indicator light in parallel, by the change in voltage situation on the brightness indication anti-magnetized coil of indicator light.
3. simple and easy demagnetization circuit according to claim 1, is characterized in that, is controlled the break-make of whole circuit by isolating switch.
4. simple and easy demagnetization circuit according to claim 1, is characterized in that, is also in series with the fuse for circuit protection in 220V alternating current circuit.
5. simple and easy demagnetization circuit according to claim 1, is characterized in that, bidirectional trigger diode adopts 2CTS type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308336.XU CN204010883U (en) | 2014-06-11 | 2014-06-11 | A kind of simple and easy demagnetization circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308336.XU CN204010883U (en) | 2014-06-11 | 2014-06-11 | A kind of simple and easy demagnetization circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204010883U true CN204010883U (en) | 2014-12-10 |
Family
ID=52050846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308336.XU Expired - Fee Related CN204010883U (en) | 2014-06-11 | 2014-06-11 | A kind of simple and easy demagnetization circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204010883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078190A (en) * | 2014-06-11 | 2014-10-01 | 苏州固基电子科技有限公司 | Simple demagnetization circuit |
-
2014
- 2014-06-11 CN CN201420308336.XU patent/CN204010883U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078190A (en) * | 2014-06-11 | 2014-10-01 | 苏州固基电子科技有限公司 | Simple demagnetization circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150611 |
|
| EXPY | Termination of patent right or utility model |