CN203504808U - 220V alternating-current power source light-emitting diode indicating module - Google Patents
220V alternating-current power source light-emitting diode indicating module Download PDFInfo
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- CN203504808U CN203504808U CN201320671007.7U CN201320671007U CN203504808U CN 203504808 U CN203504808 U CN 203504808U CN 201320671007 U CN201320671007 U CN 201320671007U CN 203504808 U CN203504808 U CN 203504808U
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Abstract
The utility model relates to a 220V alternating-current power source light-emitting diode indicating module. The 220V alternating-current power source light-emitting diode indicating module is characterized in that the 220V alternating-current power source light-emitting diode indicating module comprises a 220V alternating-current power source, a voltage-decreasing and ballasting circuit, and a rectification, clamping and indicating circuit; the voltage-decreasing and ballasting circuit is composed of a capacitor C1, a resistor R1 and a capacitor C2; the rectification, clamping and indicating circuit is composed of silicon rectification diodes of D1 and D2 and a red high-brightness light-emitting diode (LED); one end of the 220V alternating-current power source is connected with one end of the capacitor C1; the other end of the capacitor C1 is connected with the positive pole of the silicon rectification diode D1 and the positive pole of the red high-brightness light-emitting diode (LED); the negative pole of the silicon rectification diode D1 is connected with the positive pole of the silicon rectification diode D2; the positive pole of the silicon rectification diode D2 and the negative pole of the red high-brightness light-emitting diode (LED) are connected with one end of the resistor R1; the other end of the resistor R1 is connected with one end of the capacitor C2; and the other end of the capacitor C2 is connected with the other end of the 220V alternating-current power source.
Description
Technical field
The utility model belongs to electronic technology field, is about a kind of 220V AC power luminous tube indicating module.
Background technology
For installing 220V AC power indicator light on electronic equipment additional, the resistance (0.5W) that data is introduced an available 100K Ω adds a light-emitting diode, and its actual effect is that the brightness of light-emitting diode is very low.So simple way, light-emitting diode can only pass through about 2mA electric current, light-emitting diode just can only be lighted, its brightness is certainly very low, because light-emitting diode belongs to " current mode device ", although can be used as the indication of 220V AC power, but the pressure drop on dropping resistor is very large, most of electric energy mainly consumes on this dropping resistor, the voltage at light-emitting diode two ends is very low, so this dropping resistor will generate heat seriously, therefore should note dropping resistor heat radiation, the safety problem such as prevent that resistance is burned.
General high brightness LED pressure drop is 1.4～2V, its operating current is generally at 10～20mA, according to this calculation of parameter, capacitance decompression and the ballast of suitable capacity for the utility model, utilize rectification and the clamping action of silicon rectifier diode, both reach light-emitting diode luminance requirement, and can realize energy-saving effect again.
220V AC power luminous tube indicating module described in the utility model has the advantages such as light-emitting diode luminance is high, little power consumption, reliable working performance, is adapted at being used as 220V AC power in various electronic equipments and indicates.
Below describe 220V AC power luminous tube indicating module described in the utility model related relevant technologies content in implementation process in detail.
Utility model content
Goal of the invention and beneficial effect: for installing 220V AC power indicator light on electronic equipment additional, the resistance (0.5W) that data is introduced an available 100K Ω adds a light-emitting diode, and its actual effect is that the brightness of light-emitting diode is very low.Light-emitting diode can only pass through the electric current of about 2mA like this, light-emitting diode just can only be lighted.The voltage at this method light-emitting diode two ends is very low, and the voltage drop on dropping resistor is very large, and nearly all energy all consumes on this dropping resistor, so this dropping resistor will generate heat seriously.
Capacitance decompression and the ballast of suitable capacity for 220V AC power luminous tube indicating module described in the utility model, utilize rectification and the clamping action of silicon rectifier diode, both can reach the brightness requirement of light-emitting diode, can realize energy-saving effect again, the utility model is adapted at being used as 220V AC power in various electronic equipments and indicates.
Circuit working principle: capacitor C 1 and capacitor C 2 in 220V AC power luminous tube indicating module circuit play step-down and ballast effect, silicon rectifier diode D1～D2 in circuit plays rectification and clamping action, play the effect of constant red high brightness light emitting diode LED both end voltage, transient impact electric current when resistance R 1 is used for restriction connection circuit.This circuit has the advantages such as light-emitting diode luminance is high, power consumption is few, reliable working performance, is adapted at being used as in various electronic equipments the indication of 220V AC power.
Technical scheme: 220V AC power luminous tube indicating module, it comprises 220V AC power, step-down and ballasting circuit, rectification and clamp and indicating circuit, it is characterized in that:
Step-down and ballasting circuit are by capacitor C 1, resistance R 1 and capacitor C 2 form, rectification and clamp and indicating circuit are comprised of silicon rectifier diode D1～D2 and red high brightness light emitting diode LED, one end of one termination capacitor C 1 of 220V AC power, the positive pole of another termination silicon rectifier diode D1 of capacitor C 1 and the positive pole of red high brightness light emitting diode LED, the negative pole of silicon rectifier diode D1 connects the positive pole of silicon rectifier diode D2, one end of the negative pole connecting resistance R1 of the negative pole of silicon rectifier diode D2 and red high brightness light emitting diode LED, one end of another termination capacitor C 2 of resistance R 1, the other end of another termination 220V AC power of capacitor C 2.
Accompanying drawing explanation
Accompanying drawing is embodiment circuit working schematic diagram of 220V AC power luminous tube indicating module that the utility model provides.
Embodiment
According to circuit working schematic diagram and the accompanying drawing explanation of 220V AC power luminous tube indicating module shown in the drawings, and according to annexation between components and parts in the each several part circuit described in utility model content, and the components and parts technical parameter described in execution mode requires and circuit production main points are implemented to realize the utility model, below in conjunction with embodiment, correlation technique of the present utility model is further described.
The selection of components and parts and technical parameter thereof
Resistance is used metalfilmresistor, and the resistance of resistance R 1 is 430 Ω, and power is 1/2W;
D1, D2 are silicon rectifier diode, and the model of selecting is 1N4004;
C1, C2 are electric capacity, can select electric capacity of the dacron, and its capacity is 2.2 μ F/160V;
LED is red high brightness LED.
Circuit production main points and circuit debugging
The circuit structure of 220V AC power luminous tube indicating module is fairly simple, as long as the electronic devices and components performance of generally selecting is intact, and the components and parts annexation in accompanying drawing is welded to specifications, physical connection line and welding quality are after careful inspection is correct, circuit of the present utility model does not need to carry out any debugging substantially, connects 220V AC power and can normally work.
Claims (1)
1. a 220V AC power luminous tube indicating module, it comprises 220V AC power, step-down and ballasting circuit, rectification and clamp and indicating circuit, it is characterized in that:
Described step-down and ballasting circuit are by capacitor C 1, resistance R 1 and capacitor C 2 form, described rectification and clamp and indicating circuit are comprised of silicon rectifier diode D1～D2 and red high brightness light emitting diode LED, one end of one termination capacitor C 1 of 220V AC power, the positive pole of another termination silicon rectifier diode D1 of capacitor C 1 and the positive pole of red high brightness light emitting diode LED, the negative pole of silicon rectifier diode D1 connects the positive pole of silicon rectifier diode D2, one end of the negative pole connecting resistance R1 of the negative pole of silicon rectifier diode D2 and red high brightness light emitting diode LED, one end of another termination capacitor C 2 of resistance R 1, the other end of another termination 220V AC power of capacitor C 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320671007.7U CN203504808U (en) | 2013-10-28 | 2013-10-28 | 220V alternating-current power source light-emitting diode indicating module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320671007.7U CN203504808U (en) | 2013-10-28 | 2013-10-28 | 220V alternating-current power source light-emitting diode indicating module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504808U true CN203504808U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320671007.7U Expired - Fee Related CN203504808U (en) | 2013-10-28 | 2013-10-28 | 220V alternating-current power source light-emitting diode indicating module |
Country Status (1)
| Country | Link |
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| CN (1) | CN203504808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561501A (en) * | 2013-10-28 | 2014-02-05 | 周芸 | 220V alternating current power supply luminescent tube indicating module |
-
2013
- 2013-10-28 CN CN201320671007.7U patent/CN203504808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561501A (en) * | 2013-10-28 | 2014-02-05 | 周芸 | 220V alternating current power supply luminescent tube indicating module |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141028 |
|
| EXPY | Termination of patent right or utility model |