CN201246707Y - LED lighting lamp - Google Patents
LED lighting lamp Download PDFInfo
- Publication number
- CN201246707Y CN201246707Y CNU2008200650137U CN200820065013U CN201246707Y CN 201246707 Y CN201246707 Y CN 201246707Y CN U2008200650137 U CNU2008200650137 U CN U2008200650137U CN 200820065013 U CN200820065013 U CN 200820065013U CN 201246707 Y CN201246707 Y CN 201246707Y
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- CN
- China
- Prior art keywords
- voltage
- led
- circuit
- constant current
- power supply
- 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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a LED illumination lamp, which is characterized by comprising a power supply rectifier filter circuit, a steady voltage constant current LED drive circuit and a LED illumination intensity control circuit, wherein the power supply rectifier filter circuit is formed by connecting a fuse FT1, bridge rectifiers D1-D4, filter voltage stabilization capacitors C1-C5, inductances L1-L2, a diode D5 and an integrated voltage stabilizer U1 and the like; the steady voltage constant current LED drive circuit is formed by connecting a transistor T1, an optical coupler check controller U2, a voltage stabilizing diode D6 and resistors R1-R3 and the like; the LED illumination intensity control circuit is formed by connecting an illumination intensity conversion switch SW1, high brightness warm white large power luminous bodies LED1-LED7, and voltage stabilizing tubes D11-D17 and the like. The LED illumination lamp has the advantages of high illumination efficiency, good light quality, energy-saving property, wide voltage adaptation range, long service life and stable performance.
Description
Technical field
The utility model relates to illuminating lamp, is specifically related to a kind of LED illuminating lamp.
Background technology
At present, what illuminating lamp generally adopted is incandescent lamp and fluorescent lamp or electronic energy-saving lamp, conventional incandescent has that luminous efficiency is low, luminous mass is poor, service life is short and shortcoming such as energy consumption height, fluorescent lamp or electronic energy-saving lamp be the energy-conservation and quality height that emits beam than incandescent lamp, but electromagnetic interference is big, and voltage adaptation narrow range, service life are also shorter.
The utility model content
Problem to be solved in the utility model is how a kind of LED illuminating lamp is provided, and this utility model LED illuminating lamp has: luminous efficiency height, light quality are good, power and energy saving, voltage adaptation wide ranges, long service life and steady performance.
The technical problem that the utility model proposed is to solve like this: construct a kind of LED illuminating lamp, it is characterized in that: comprise power supply rectification filter circuit, voltage stabilization constant current LED drive circuit and LED illuminance control circuit.Described power supply rectification filter circuit is connected and composed by insurance FT1, bridge rectifier D 1-D4, filtering voltage regulation capacitor C 1-C5, inductance L 1-L2, diode D5 and integrated voltage stabilizer U1 etc.; Described voltage stabilization constant current LED drive circuit is detected control device U2, Zener diode D6 and resistor R 1-R3 etc. and is connected and composed by triode T1, optocoupler; Described LED illuminance control circuit is connected and composed by illumination change-over switch SW1, the powerful illuminator LED1-LED7 of high brightness warm white and voltage-stabiliser tube D11-D17.
According to LED illuminating lamp provided by the utility model, it is characterized in that: illumination change-over switch SW1 is six gear uniselectors.
The beneficial effects of the utility model are: luminous efficiency height, light quality are good, adjustable brightness, energy-conservation electric energy, voltage adaptation wide ranges, long service life and steady performance, and the desk lamp that can do eyeshield uses.
Description of drawings
Accompanying drawing 1 is a circuit structure diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, exchange the interior arbitrary voltage of 80V-270V scope through insurance RT1, bridge rectifier (D1-D4), capacitor (C2, C3, C4, C5), inductance (L1, L2) form the pi type filter output dc voltage, one the tunnel through R1 supply LED illuminator, one the tunnel through triode T1, resistance R 2, optical coupler U2, height integrated voltage stabilizer U1, take a sample, analyze, compare and control, the led drive circuit of forming pressure-stabilizing constant flow, D6 is the Zener diode of triode T1 base stage, D5 is a fast recovery diode, U1 is the height integrated package of pressure-stabilizing, (1) pin of optical coupler U2 links to each other with resistor R 2 one ends, (2) pin of optical coupler and the negative pole of output link to each other, (3) pin of optical coupler links to each other with (2) pin of height integrated package of pressure-stabilizing U1, and optical coupler (4) pin links to each other with rectifier (D1-D4) output ground.When being transported to LED illuminator A, the reduction of B both end voltage because of grid voltage change, the constant current sampling rate is managed the T1 base potential and is reduced, the ec electric current of T1 increases, increase by R2, optical coupler (1), (2) pin electric current, optical coupler (3), (4) electric current reduce, (3) pin above earth potential of height integrated package of pressure-stabilizing U1 descends, and A, B terminal voltage raise; When being transported to LED illuminator A, the rising of B both end voltage because of grid voltage change, the constant current sampling rate is managed the T1 base potential and is raise, the ec electric current of T1 reduces, reduce by R2, optical coupler (1), (2) pin electric current, optical coupler (3), (4) electric current reduce, (3) pin above earth potential of height integrated package of pressure-stabilizing U1 rises, and A, B terminal voltage reduce, and promptly remains LED illuminator A, the B both end voltage is constant.C1, C6, C8 are HF filtering capacitor among Fig. 1, and C7 is a voltage stabilizing low frequency filtering electric capacity; SW1 is the manual rotary change-over switch, LED1 and LED2 lighted when contact contacted 1 contact, LED1-LED3 lighted when contact contacted 2 contacts, LED1-LED4 lighted when contact contacted 3 contacts, LED1-LED5 lighted when contact contacted 4 contacts, LED1-LED6 lighted when contact contacted 5 contacts, and LED lighted entirely when contact contacted 6 contacts; D11-D17 be respectively with the Zener diode of LED parallel connection, the one, prevent that the single overtension of powered on moment LED illuminator from damaging the LED illuminator, the 2nd, when the LED of a plurality of series connection illuminator has a damage to open circuit, Zener diode in parallel on this illuminator punctures conducting, guarantees that the LED illuminator of other series connection is normally luminous.
The utility model also can be made various flexible mode, more than by the specific embodiment by accompanying drawing 1 illustrated embodiment, be that foregoing of the present utility model is done step detailed description, but this should be interpreted as that the scope of the theme that the utility model is above-mentioned only limits to described example.Do not breaking away under the above-mentioned technological thought situation of the utility model, various replacements and change according to ordinary skill knowledge and customary means are made all should be included in the scope of the present utility model.
Claims (2)
1, a kind of LED illuminating lamp is characterized in that: comprise power supply rectification filter circuit, voltage stabilization constant current LED drive circuit and LED illuminance control circuit.Described power supply rectification filter circuit is connected and composed by insurance (FT1), bridge rectifier (D1-D4), filtering voltage regulation electric capacity (C1-C5), inductance (L1-L2), diode (D5) and integrated voltage stabilizer (U1) etc.; Described voltage stabilization constant current LED drive circuit is detected control device (U2), Zener diode (D6) and resistor (R1-R3) etc. and is connected and composed by triode (T1), optocoupler; Described LED illuminance control circuit is connected and composed by illumination change-over switch (SW1), the powerful illuminator of high brightness warm white (LED1-LED7) and voltage-stabiliser tube (D11-D17).
2, according to the described LED illuminating lamp of claim 1, it is characterized in that: illumination change-over switch (SW1) is six gear uniselectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200650137U CN201246707Y (en) | 2008-09-04 | 2008-09-04 | LED lighting lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200650137U CN201246707Y (en) | 2008-09-04 | 2008-09-04 | LED lighting lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201246707Y true CN201246707Y (en) | 2009-05-27 |
Family
ID=40730529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200650137U Expired - Fee Related CN201246707Y (en) | 2008-09-04 | 2008-09-04 | LED lighting lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201246707Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965078A (en) * | 2009-07-22 | 2011-02-02 | 深圳市桑达实业股份有限公司 | Light emitting diode drive circuit, light emitting diode luminaire and light emitting diode lighting system |
| CN104791627A (en) * | 2015-04-21 | 2015-07-22 | 贵州光浦森光电有限公司 | Establishing method of LED filament lamp and LED filament lamp |
-
2008
- 2008-09-04 CN CNU2008200650137U patent/CN201246707Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965078A (en) * | 2009-07-22 | 2011-02-02 | 深圳市桑达实业股份有限公司 | Light emitting diode drive circuit, light emitting diode luminaire and light emitting diode lighting system |
| CN101965078B (en) * | 2009-07-22 | 2013-09-04 | 深圳市桑达实业股份有限公司 | Light emitting diode drive circuit, light emitting diode luminaire and light emitting diode lighting system |
| CN104791627A (en) * | 2015-04-21 | 2015-07-22 | 贵州光浦森光电有限公司 | Establishing method of LED filament lamp and LED filament 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: 20090527 |