CN201182032Y - Electricity economizer for numerical control fluorescent lamp - Google Patents
Electricity economizer for numerical control fluorescent lamp Download PDFInfo
- Publication number
- CN201182032Y CN201182032Y CNU2008200455149U CN200820045514U CN201182032Y CN 201182032 Y CN201182032 Y CN 201182032Y CN U2008200455149 U CNU2008200455149 U CN U2008200455149U CN 200820045514 U CN200820045514 U CN 200820045514U CN 201182032 Y CN201182032 Y CN 201182032Y
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- fluorescent lamp
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- power factor
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Abstract
The utility model discloses a digital controlled fluorescent lamp electricity saver which is connected between an external electricity web and a fluorescent lamp pipe. The digital controlled fluorescent lamp electricity saver comprises a common-mode and differential-mode filtering unit, a rectification unit, a power factor improvement circuit and a switch circuit; wherein, the common-mode and differential-mode filtering unit receives the power source inputted by the external electricity web and then outputs the power source to the rectification unit for converting the inputted AC into DC to be outputted to the power factor improvement circuit; the power factor improvement circuit improves the wattful power of the circuit and lowers the wattless power, and then outputs the circuit to the switch circuit; the switch circuit controls the on and off of the digital controlled fluorescent lamp electricity saver, and when the circuit is conducted, the electricity is conveyed to the fluorescent lamp pipe; the rectification pipe of the rectification unit is a fast-restoring diode. The improved high electrolight converting of the fluorescent lamp is used to lead the lumen factor to be more than or equal to 0.95, and the power factor of the circuit can also be improved to be more than 0.98.
Description
Technical field
The utility model relates to the lighting energy saving technology, relates in particular to a kind of numerical control fluorescent lamp electricity-saving appliance.
Background technology
Fluorescent lamp all needs to start by ballast, so ballast is absolutely necessary concerning fluorescent lamp.Ballast divides inductive type and electron type, inductive type ballast own loss is serious, stroboscopic phenomenon can occur, and can not start under 180V voltage, power factor is low, so the inductive type ballast is being eliminated gradually, and electron type ballast cost is lower, but existing electron type ballast adopts common rectifying tube, and its electro-optical efficiency is low, the lumen coefficient of fluorescent lamp is less than or equal to 0.9, can not utilize electric energy fully.Referring to shown in Figure 1, be existing circuit of electronic ballast figure, wherein rectification unit is a bridge rectifier.
The utility model content
The utility model provides a kind of numerical control fluorescent lamp electricity-saving appliance at the above-mentioned defective of prior art, to improve electro-optical efficiency.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of numerical control fluorescent lamp electricity-saving appliance, be connected between external electrical network and the fluorescent lamp tube, it comprises that differential mode common mode filtering unit, rectification unit, power factor improve circuit, switching circuit: differential mode common mode filtering unit, receive the power supply of external electrical network input, output to rectification unit, electric current carries out filtering between numerical control fluorescent lamp electricity-saving appliance and external electrical network to circulating; Rectification unit is converted to direct current with the alternating current of importing and outputs to power factor raising circuit again; Power factor improves circuit, promotes the active power of circuit, reduces its reactive power and outputs to switching circuit then; The break-make of switching circuit control numerical control fluorescent lamp electricity-saving appliance circuit arrives fluorescent lamp tube with power delivery during circuit turn-on; Rectifying tube is a fast recovery diode in the described rectification unit.
Preferably, electric capacity is electrochemical capacitor in the described raising power factor circuit.
As can be seen from the above technical solutions, the utility model will have that common diode replaces to fast recovery diode in the rectification circuit now, its inversion frequency be improved, thereby guarantee the conversion of high luminous efficiency, make the lumen coefficient more than or equal to 0.95.Further, the electric capacity that the utility model also will improve in the power factor circuit replaces to electrochemical capacitor, and power factor is promoted to more than 0.98.
Description of drawings
Fig. 1 is existing electricity-saving appliance circuit structure diagram;
Fig. 2 is the utility model circuit structure diagram.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail.
Referring to shown in Figure 2, the utility model comprises that differential mode common mode filtering unit 1, rectification unit 2, power factor improve circuit 3, switching circuit 4, fluorescent lamp tube 5; Differential mode common mode filtering unit 1 is used to receive outside input power supply, the power supply of importing electricity-saving appliance is carried out filtering simultaneously the current filtering that outputs to external electrical network is isolated, and outputs to rectification unit 2 then; The alternating current that rectification unit 2 is used for importing is converted to direct current and outputs to power factor raising circuit 3 again; Power factor improves the active power that circuit 3 is used to promote circuit, reduces its reactive power, outputs to switching circuit 4 then; The break-make of switching circuit control numerical control fluorescent lamp electricity-saving appliance circuit arrives fluorescent lamp tube 5 with power delivery during circuit turn-on, and switching circuit 5 also comprises peripheral auxiliary circuit; Characteristics of the present utility model are that the rectifying tube in the rectification unit adopts fast recovery diode, see D1 among the figure, D2, D3, D4, utilize this fast recovery diode to improve AC and DC electricity conversion speed, thereby guarantee the high luminous efficiency of fluorescent lamp.
As preferred implementation of the present utility model, the electric capacity that described power factor improves in the circuit 3 adopts electrochemical capacitor, sees that the passive power factor that D5 among the figure, D6, D7, C9, C10 form promotes circuit, is promoted to power factor more than 0.98.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (2)
1, a kind of numerical control fluorescent lamp electricity-saving appliance is connected between external electrical network and the fluorescent lamp tube, and it comprises that differential mode common mode filtering unit, rectification unit, power factor improve circuit, switching circuit:
Differential mode common mode filtering unit receives the power supply that external electrical network is imported, and outputs to rectification unit, and electric current carries out filtering between numerical control fluorescent lamp electricity-saving appliance and external electrical network to circulating;
Rectification unit is converted to direct current with the alternating current of importing and outputs to power factor raising circuit again;
Power factor improves circuit, promotes the active power of circuit, reduces its reactive power and outputs to switching circuit then;
The break-make of switching circuit control numerical control fluorescent lamp electricity-saving appliance circuit arrives fluorescent lamp tube with power delivery during circuit turn-on;
It is characterized in that: rectifying tube is a fast recovery diode in the described rectification unit.
2, numerical control fluorescent lamp electricity-saving appliance according to claim 1, it is characterized in that: electric capacity is electrochemical capacitor in the described raising power factor circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200455149U CN201182032Y (en) | 2008-03-26 | 2008-03-26 | Electricity economizer for numerical control fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200455149U CN201182032Y (en) | 2008-03-26 | 2008-03-26 | Electricity economizer for numerical control fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201182032Y true CN201182032Y (en) | 2009-01-14 |
Family
ID=40251522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200455149U Expired - Fee Related CN201182032Y (en) | 2008-03-26 | 2008-03-26 | Electricity economizer for numerical control fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201182032Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106385725A (en) * | 2016-08-18 | 2017-02-08 | 黄鹂 | Low-power LED bulb lamp capable of adjusting light automatically in timing manner |
-
2008
- 2008-03-26 CN CNU2008200455149U patent/CN201182032Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106385725A (en) * | 2016-08-18 | 2017-02-08 | 黄鹂 | Low-power LED bulb lamp capable of adjusting light automatically in timing manner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20110326 |