CN201129690Y - Industrial frequency LED lighting lamp - Google Patents
Industrial frequency LED lighting lamp Download PDFInfo
- Publication number
- CN201129690Y CN201129690Y CNU2007200305683U CN200720030568U CN201129690Y CN 201129690 Y CN201129690 Y CN 201129690Y CN U2007200305683 U CNU2007200305683 U CN U2007200305683U CN 200720030568 U CN200720030568 U CN 200720030568U CN 201129690 Y CN201129690 Y CN 201129690Y
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- CN
- China
- Prior art keywords
- emitting diode
- light emitting
- diode
- series circuit
- negative pole
- Prior art date
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to an industrial frequency luminescent diode headlamp belonging to the technical field of diode headlamp structures, which is characterized in that a decompression coupling capacitance C is adopted to be connected on a positive pole power of an industrial frequency alternating current, negative poles of the decompression coupling capacitance C are respectively connected with a positive pole of a D1 and a negative pole of a D2 which are parallel rectifier diodes to form electric connection, a negative pole of the rectifier diode D1 is connected in a series circuit of a luminescent diode D51-D5N and a positive pole of the rectifier diode D2 is connected in other series circuit of a luminescent diode D61-D6N to form a parallel structure of the two luminescent diode series circuit, and a negative pole of the luminescent diode D5N and a positive pole of the D6N are simultaneously connected with a resistance R2 and an inductance L in series to be connected in a negative power of the alternating current. The industrial frequency luminescent diode headlamp has the advantages of simple structure, reasonable design, small volume and highly effective energy-saving, which can be widely applied to a plurality of occasions such as domestic illumination and the like.
Description
One, technical field
The utility model relates to power frequency light-emitting diode illuminating lamp, belongs to the diode illuminating lamp technical field of structures.
Two, background technology
Non-power frequency diode illuminating device in the past all adopts the transformer transformation, the diode rectification mode becomes direct current with alternating current, drive lumination of light emitting diode then, the drawback of this line construction: 1, because the existence of transformer makes machine volume big, be unfavorable for as the home lighting occasion, 2, because the use of power consumption such as transformer property element, thereby make consuming electric power very most of consumption be arranged on these elements, be unfavorable for energy-conservation.
Three, summary of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, and provides a kind of simple in structure, and machine volume is little, and is energy-efficient and can be used for the power frequency light-emitting diode illuminating lamp of home lighting occasion.
Power frequency light-emitting diode illuminating lamp of the present utility model, special character is to adopt step-down coupling capacitance C to be connected on the cathode power supply of industrial-frequency alternating current, again by the negative pole of the step-down coupling capacitance C positive pole of the commutation diode D1 in parallel respectively with two, the negative pole of D2 joins to forming and is electrically connected, the negative pole of commutation diode D1 inserts the series circuit of a light emitting diode D51-D5N, the positive pole of commutation diode D2 inserts the series circuit of another light emitting diode D61-D6N, form the parallel-connection structure of two light emitting diode series connection circuit, again with the negative pole of light emitting diode D5N and the anodal back incoming transport electricity negative power supply of connecting with resistance R 2 and inductance L simultaneously of D6N;
Described step-down coupling capacitance C two ends parallel resistance R1 forms the step-down discharge loop with capacitor C;
The two ends of the series circuit of described two light emitting diode D51-D5N, D61-D6N respectively and be connected with Zener diode D3, the D4 that is used to protect light emitting diode;
The two ends of the series circuit of described two light emitting diode D51-D5N, D61-D6N respectively and be connected with and exchange shunt capacitance C2, C3.
The utility model power frequency light-emitting diode illuminating lamp, adopt step-down coupling capacitance C industrial-frequency alternating current to be directly acted on two ac circuits of light emitting diode, thereby driving lumination of light emitting diode, have simple in structure, reasonable in design, it is little to have volume, advantage such as energy-efficient can be widely used in numerous occasions such as home lighting.
Four, description of drawings
Fig. 1: be the utility model power frequency light-emitting diode illuminating lamp connection diagram.
Five, the specific embodiment
Following with reference to accompanying drawing, provide the specific embodiment of the present utility model, be used for formation of the present utility model is further specified.
Embodiment 1
The power frequency light-emitting diode illuminating lamp of present embodiment is with reference to figure 1, it at first is the positive source that the step-down coupling capacitance C of 0.047-50uf is connected to the industrial-frequency alternating current of 220v with capacity, again with the capacitor C positive pole of the commutation diode D1 in parallel respectively with two, the negative pole of D2 joins to forming and is electrically connected, the negative pole of commutation diode D1 inserts the series circuit of a light emitting diode D51-D5N, the positive pole of commutation diode D2 inserts the series circuit of another light emitting diode D61-D6N, form the parallel-connection structure of two light emitting diode series connection circuit, wherein the operating voltage of light emitting diode is 1.2v, operating current is 100-200mA, with the positive pole of the negative pole of light emitting diode D5N and D6N and resistance value is again to insert incoming transport electricity negative power supply after the inductance L that inductance value is 1ul-100ml after the resistance R 2 of 0 Ω-20K is connected again; Step-down coupling capacitance C two ends parallel resistance R1 forms the step-down discharge loop with capacitor C, and the scope of resistance R value is between the 200K-1M Ω; The two ends of the series circuit of two light emitting diode D51-D5N, D61-D6N respectively and be connected with Zener diode D3, the D4 that is used to protect light emitting diode and exchange shunt capacitance C2, C3, and C2, C3 select 0.1-1000uf as required for use.
The utility model adopts step-down coupling capacitance C industrial-frequency alternating current to be directly acted on two ac circuits of light emitting diode D51-D5N, D61-D6N, thereby driving lumination of light emitting diode, wherein D1, D2 are the halfwave rectifier diode, when voltage is positive half cycle, D1, D51-D5N loop lead to, when voltage is negative half period, D2, D61-D6N loop lead to, resistance R 1 and capacitor C are formed the step-down discharge loop, when in a single day circuit has a power failure, the electric charge that stores on the capacitor C bleeds off by resistance R 1, when avoiding sending a telegram here again, voltage on capacitor C stack and damage light emitting diode; Zener diode D3, D4 play the protection light emitting diode, and when electric brake closed, because the charging effect of capacitor C, immediate current was very big, and release charging stream capacitor C on by resistance R 2, inductance L moment this moment, thereby reach the purpose of protection diode.
The utlity model has simple in structurely, reasonable in design, it is little to have a volume, energy-efficient etc. excellent Point can be widely used in numerous occasions such as home lighting.
Claims (4)
1, power frequency light-emitting diode illuminating lamp, it is characterized in that being to adopt step-down coupling capacitance (C) to be connected on the cathode power supply of industrial-frequency alternating current, again by the negative pole of step-down coupling capacitance (C) respectively with the positive pole of two commutation diodes in parallel (D1), (D2) negative pole joins to forming and is electrically connected, the negative pole of commutation diode (D1) inserts the series circuit of a light emitting diode (D51)-(D5N), the positive pole of commutation diode (D2) inserts the series circuit of another light emitting diode (D61)-(D6N), form the parallel-connection structure of two light emitting diode series connection circuit, again with the negative pole of light emitting diode (D5N) and the anodal back incoming transport electricity negative power supply of connecting with resistance (R2) and inductance (L) simultaneously (D6N).
2, according to the described power frequency light-emitting diode illuminating lamp of claim 1, it is characterized in that described step-down coupling capacitance (C) two ends parallel resistances (R1), form the step-down discharge loop with electric capacity (C).
3, according to the described power frequency light-emitting diode illuminating lamp of claim 1, it is characterized in that described two light emitting diodes (D51)-(D5N), (D61)-(D6N) series circuit two ends respectively and be connected with Zener diode (D3), (D4) that is used to protect light emitting diode.
4, according to the described power frequency light-emitting diode illuminating lamp of claim 3, the series circuit two ends that it is characterized in that described two light emitting diodes (D51)-(D5N), (D61)-(D6N) respectively and be connected with electric capacity (C2), (C3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200305683U CN201129690Y (en) | 2007-12-22 | 2007-12-22 | Industrial frequency LED lighting lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200305683U CN201129690Y (en) | 2007-12-22 | 2007-12-22 | Industrial frequency LED lighting lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129690Y true CN201129690Y (en) | 2008-10-08 |
Family
ID=40017540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200305683U Expired - Fee Related CN201129690Y (en) | 2007-12-22 | 2007-12-22 | Industrial frequency LED lighting lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129690Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012055187A1 (en) * | 2010-10-28 | 2012-05-03 | 映瑞光电科技(上海)有限公司 | Lighting circuit |
| WO2022188853A1 (en) * | 2021-03-12 | 2022-09-15 | 深圳原能电器有限公司 | Half-wave symmetric converter and control method |
-
2007
- 2007-12-22 CN CNU2007200305683U patent/CN201129690Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012055187A1 (en) * | 2010-10-28 | 2012-05-03 | 映瑞光电科技(上海)有限公司 | Lighting circuit |
| US9345086B2 (en) | 2010-10-28 | 2016-05-17 | Enraytek Optoelectronics Co., Ltd. | Lighting circuit |
| WO2022188853A1 (en) * | 2021-03-12 | 2022-09-15 | 深圳原能电器有限公司 | Half-wave symmetric converter and control method |
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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: 20081008 Termination date: 20100122 |