CN2907078Y - High power factor converter - Google Patents
High power factor converter Download PDFInfo
- Publication number
- CN2907078Y CN2907078Y CN 200620103337 CN200620103337U CN2907078Y CN 2907078 Y CN2907078 Y CN 2907078Y CN 200620103337 CN200620103337 CN 200620103337 CN 200620103337 U CN200620103337 U CN 200620103337U CN 2907078 Y CN2907078 Y CN 2907078Y
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- Prior art keywords
- circuit
- parallel
- power factor
- resistance
- high power
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- 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 high power factor converter, belonging to the technical field of converter, composing of an input circuit, an overvoltage and overcurrent protection circuit, a rectifying circuit, a load circuit and an output circuit which are orderly connected, the input circuit is an AC circuit , the overpressure and overcurrent protection circuit is composed of a fuse and a varistor which are connected in series, the rectifying circuit is composed of a capacitor C1 and bridge type rectifying circuits D1-D4 which are connected in parallel, the load circuit is composed of one or more resistance groups which are connected in parallel, the output circuit is an DC circuit, one end of the fuse and the varistor is respectively connected with the AC circuit, the two ends of the varistor are respectively connected with the two ends of the capacity C1 and the bridge type rectifying circuits D1-D4, the other two ends of the bridge type rectifying circuits D1-D4 are connected with the two ends of the parallel-connected resistance groups, the two ends of the parallel-connected resistance groups output the DC, the converter has simple structural circuit and high power factor, when used for LED lighting, the LED has stable light emitting and good visual effect.
Description
Technical field
The utility model relates to the converter technology field, is specially the High Power Factor transducer.
Background technology
Existing AC/DC changeover switch is made by bridge heap or diode, and power factor is not high with the efficient that exchanges the commentaries on classics direct current.Utilize existing transducer as the decorative lamp accessory, when being used for non-pure resistive product such as LED lamp decoration, the luminous instability of LED, poor visual effect influences the attractive in appearance of product, and is difficult to the authentication by EMC ClassC, can not export to the European market, be unfavorable for marketing.
The utility model content
The utility model is for overcoming the above-mentioned problems in the prior art, and design provides a kind of technical scheme of High Power Factor transducer, and its power factor is changeed direct current efficient height with exchanging, and when being used for the LED lamp decoration product, LED is luminous stable.
Described High Power Factor transducer; it is characterized in that by input circuit; over-voltage over-current protection circuit; rectification circuit; load circuit; output circuit connects formation successively; described input circuit is alternating current AC; over-voltage over-current protection circuit is by protective tube PUSE; piezo-resistance RV is composed in series; rectification circuit is by capacitor C 1; bridge rectifier D1-D4 composes in parallel; load circuit is composed in parallel by a group or more resistance; output circuit is direct current DC; protective tube PUSE; piezo-resistance RV one end connects with alternating current AC respectively; piezo-resistance RV two ends respectively with capacitor C 1; bridge rectifier D1-D4 two ends connect; the other two ends of bridge rectifier D1-D4 connect with parallel resistance group two ends, parallel resistance group two ends output DC DC.
Described High Power Factor transducer is characterized in that load circuit by R1, R9, R5 series connection, R2, R10, R6 series connection, R3, R11, R7 series connection, R4, R12, R8 series connection, composition parallel with one another then.
Above-mentioned High Power Factor transducer, novel, circuit structure is simple, and power factor all exceeds much than existing transducer with the efficient that exchanges the commentaries on classics direct current, and making, easy to use.When being used for non-pure resistive product such as LED lamp decoration, can effectively improve power factor, make LED luminous stable, the product good visual effect, profile is more attractive in appearance.
Description of drawings
Fig. 1 is the utility model circuit block diagram;
Fig. 2 is the utility model circuit theory diagrams.
Embodiment
As shown in the figure, the circuit structure of this High Power Factor transducer is connected successively by input circuit 1, over-voltage over-current protection circuit 2, rectification circuit 3, load circuit 4, output circuit 5 and constitutes.Described input circuit 1 is 230V or High Level AC Voltage AC; Over-voltage over-current protection circuit 2 is composed in series by protective tube PUSE, piezo-resistance RV; Rectification circuit 3 is composed in parallel by capacitor C 1, bridge rectifier D1-D4; Load circuit 4 is composed in parallel by a group or more resistance, as connected R2, R10, R6 series connection, R3, R11, R7 series connection, R4, R12, R8 series connection, composition parallel with one another then by R1, R9, R5; Output circuit is the direct current DC that is used to connect LED.Protective tube PUSE, piezo-resistance RV one end of series connection connect with alternating current AC respectively, piezo-resistance RV two ends connect with capacitor C 1, bridge rectifier D1-D4 two ends respectively, the other two ends of bridge rectifier D1-D4 connect with parallel resistance group two ends, parallel resistance group two ends output DC DC.Alternating current AC input, through piezo-resistance RV, protective tube PUSE, capacitor C 1 and diode D1-D4, a plurality of resistance are load, output DC DC has significantly improved power factor.
Claims (2)
1. High Power Factor transducer; it is characterized in that by input circuit (1); over-voltage over-current protection circuit (2); rectification circuit (3); load circuit (4); output circuit (5) connects formation successively; described input circuit (1) is alternating current AC; over-voltage over-current protection circuit (2) is by protective tube PUSE; piezo-resistance RV is composed in series; rectification circuit (3) is by capacitor C 1; bridge rectifier D1-D4 composes in parallel; load circuit (4) is composed in parallel by a group or more resistance; output circuit (5) is direct current DC; protective tube PUSE; piezo-resistance RV one end connects with alternating current AC respectively; piezo-resistance RV two ends respectively with capacitor C 1; bridge rectifier D1-D4 two ends connect; the other two ends of bridge rectifier D1-D4 connect with parallel resistance group two ends, parallel resistance group two ends output DC DC.
2. High Power Factor transducer as claimed in claim 1 is characterized in that load circuit (4) by R1, R9, R5 series connection, R2, R10, R6 series connection, R3, R11, R7 series connection, R4, R12, R8 series connection, composition parallel with one another then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103337 CN2907078Y (en) | 2006-04-30 | 2006-04-30 | High power factor converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103337 CN2907078Y (en) | 2006-04-30 | 2006-04-30 | High power factor converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2907078Y true CN2907078Y (en) | 2007-05-30 |
Family
ID=38115723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620103337 Expired - Fee Related CN2907078Y (en) | 2006-04-30 | 2006-04-30 | High power factor converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2907078Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338358A (en) * | 2010-07-21 | 2012-02-01 | 重庆介质电子技术有限公司 | Circuit structure of AC LED (Alternating Current Light-Emitting Diode) lighting lamp |
-
2006
- 2006-04-30 CN CN 200620103337 patent/CN2907078Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338358A (en) * | 2010-07-21 | 2012-02-01 | 重庆介质电子技术有限公司 | Circuit structure of AC LED (Alternating Current Light-Emitting Diode) lighting lamp |
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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: 20070530 Termination date: 20100430 |