CN201170522Y - LED lamp - Google Patents
LED lamp Download PDFInfo
- Publication number
- CN201170522Y CN201170522Y CNU2008200797413U CN200820079741U CN201170522Y CN 201170522 Y CN201170522 Y CN 201170522Y CN U2008200797413 U CNU2008200797413 U CN U2008200797413U CN 200820079741 U CN200820079741 U CN 200820079741U CN 201170522 Y CN201170522 Y CN 201170522Y
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- China
- Prior art keywords
- luminous
- lamp
- light emitting
- circuit board
- led lamp
- 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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- 238000004134 energy conservation Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
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- 229910052753 mercury Inorganic materials 0.000 description 2
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- 241000227425 Pieris rapae crucivora Species 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
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- 238000003912 environmental pollution Methods 0.000 description 1
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Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a luminous diode (LED) lamp, which comprises a PCB circuit board, a lamp shell, a lampshade, a switch power source and a plurality of luminous diodes, wherein, the luminous diodes are arranged on the long-strip-shaped PCB circuit board, and adopts the connection way: the luminous diodes are divided into a plurality of groups; the luminous diodes of each group are serially and electrically connected with each other; each group of the luminous diodes are electrically connected with each other in parallel to form a long-strip-shaped luminous array. Compared with the traditional incandescent lamp, the lamp of the utility model has high luminous efficiency, and saves energy, and has small consumption and loss, and is safe and reliable, and has high shock-absorption property. Moreover, the light lamp also overcomes the weakness of the LED lamp with the ordinary power core that the luminous point is concentrated and the vision effect is blinding; the design of the multi-point circuit combining the serial connection and the parallel connection ensures the luminous uniformity and the uniformity of the heat radiation, so that the service life of the LED lamp is guaranteed.
Description
Technical field
The utility model relates to lighting device, relates in particular to a kind of with the light fixture of semiconductor light-emitting-diode as light source.
Background technology
The lighting that people generally use is incandescent lamp and fluorescent lamp.Incandescent lamp power consumption is big, service life is short, and heat radiation is very high, though the luminous efficiency of fluorescent lamp is better than incandescent lamp, but still the shortcoming that power consumption is big and service life is short is arranged, and, may cause environmental pollution after abandoning owing in its fluorescent tube mercury is arranged, moreover the lamp socket that the mercury fluorescent lamp uses often needs other electronic components, and assembling is trouble comparatively.
At present, semiconductor light-emitting-diode (LED, Light Emitting Diode) light fixture has been used from the initial stage in the world and has been entered into developing stage.The LED illuminating product is one of illuminating product of at present the most energy-conservation, the most efficient in the world, MaLS, and economic benefit at a specified future date is particularly showing.It is widely used in fields such as road lighting, office lighting, garden lamp illumination, Landscape Lighting, commercial outdoor billboard illumination and viaduct, office building and urban landscape brightening illuminating engineering.In order to increase range of exposures and brightness, when producing led lamp, often need lamp group with a plurality of light emitting diode combined one-tenth, constitute shadow surface by a plurality of light emitting diodes, and improve exposure intensity.The luminous point of present semiconductor LED lamp is comparatively concentrated, and is comparatively dazzling on the visual effect.Simultaneously, existing LED light fixture is for improving the light emitting diode that luminous intensity adopts higher-wattage, continuing to have the too high problem of temperature after luminous a period of time, the luminous efficiency of diode itself is descended, and brightness can't promote, the lost of life, therefore, the light fixture of various application High Power LEDs all needs good cooling mechanism, makes to be not easy to the fitting structure complexity produce and install.
Summary of the invention
The purpose of this utility model is the deficiency at existing light fixture, and a kind of simple, easy for installation, luminous point dispersions, brightness height, energy-conservation and led lamp that the life-span is grown made is provided.
For achieving the above object, the present invention adopts following technical proposals:
A kind of led lamp, comprise a PCB circuit board (Printed circuit board, printed circuit board (PCB)), one lamp housing, one lampshade, one Switching Power Supply and a plurality of light emitting diode, described PCB circuit board is fixed on the lamp housing inner surface, lampshade covers on the lamp housing, described PCB circuit board is electrically connected with Switching Power Supply, and Switching Power Supply is electrically connected with civil power, alternating current is converted to supplies with the PCB circuit board after the safe voltage, described PCB circuit board is a strip, a plurality of light emitting diodes are disposed on the PCB circuit board, connected mode between these light emitting diodes is: a plurality of light emitting diodes are divided into some groups, some light emitting diodes in every group are electrically connected with series system, are electrically connected with parallel way between the light emitting diode string and respectively organize, and are arranged in the light emitting array of a strip.
Be the uniformity of guaranteeing that integral body is luminous and dispel the heat, the number of every group of light emitting diode is identical.In each series circuit, insert control stream components and parts, so that the electric current unanimity in the individual series circuit.And Switching Power Supply is converted to 12V direct current supply PCB circuit board with electric main.
Above-mentioned PCB circuit board can be connected with lamp housing by screw, be close on the lamp housing inner surface, lamp housing is made with the good conductor that conducts heat, the heat that produces during light emitting diode work passes on the PCB circuit board, pass on the lamp housing by the PCB circuit board and dispel the heat, lamp housing plays the double action of fixing and heat loss through conduction.
Lamp housing and lampshade carry out appearance design according to attractive in appearance and needs practical application.Lampshade can adopt convex lens structures, carries out the design of optical secondary imaging lens.It is translucent that lampshade is generally, and adopts PMMA material (polymethyl methacrylate) to make.
Light fixture of the present utility model adopts low power light emitting diode to arrange the back as light source, has following advantage than traditional incandescent lamp tube:
1. luminous efficiency height: this light fixture list core power is less but luminous efficiency is higher, and luminous efficiency is the octuple of ordinary lamps brigh emitter value.
2. energy-conservation, loss is little: power consumption only is 1/3rd of ordinary lamps brigh emitter value, has effectively saved electric energy and consumer's economy expenditure; Common bulb electric energy luminescent conversion rate is 20%, and the luminous conversion ratio of semiconductor LED lamp electric energy is more than 80%, and because the semiconductor LED chip is that physics is luminous, more can effectively save electric power.
3. safe and reliable: this light fixture when human body touches, also can never jeopardize personal safety owing to adopted the safe voltage power supply.
4. anti-seismic performance height: under the duty, the semiconductor LED chip is sealed in resin inside, and good steadiness is arranged, and is difficult for damaging because of vibrations.
Further, characteristics according to the optical visual impression, it is comparatively concentrated that semiconductor LED lamp of the present utility model has also overcome the LED lamp luminescence point of common power core, the shortcoming that visual effect is comparatively dazzling, adopted semiconductor mini power luminescent wafer, good dispersion the shortcoming comparatively concentrated of luminous point, make illumination effect more true to nature in common white knowledge fluorescent tube, circuit design is taked string simultaneously, multipoint mode circuit design of mixing in parallel, make luminous entire area more even, soft, effectively controlled the uniformity of wick internal resistance, guaranteed the uniformity of integral heat sink, made the life-span of whole semiconductor LED lamp obtain guarantee.And, when specifically implementing the utility model, even can utilize existing strip daylight light fixture, under the situation that does not change former lamp shell and lampshade, fluorescent tube is replaced by the strip PCB circuit board that is arranged with light emitting diode of the present utility model can realizes energy-conservation and super brightness, installation and reform technology are very simple, are specially adapted to home lighting and office lighting.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model LED light fixture.
Fig. 2 is the circuit diagram of the utility model LED light fixture.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail by specific embodiment.
As shown in Figure 1, the LED light fixture of present embodiment is a strip, PCB circuit board 3 and 4 four parts of lampshade by Switching Power Supply 1, lamp housing 2, band light emitting diode matrix are formed, and wherein Switching Power Supply 1 one ends are electrically connected with civil power, and the other end is electrically connected with PCB circuit board 3.Light emitting diode 5 on PCB circuit board 3 arrangement and electric connection mode as shown in Figure 2, conducting channel 7 on the PCB circuit board is electrically connected for the mode of configuration light emitting diode 5 thereon with series, parallel, per 4 light emitting diodes 5 and control stream components and parts 6 are cascaded, form one group of wick, and Switching Power Supply 1 is inserted in some groups of such wicks back that is together in parallel again, and Switching Power Supply 1 is connected the direct current that civil power is converted to behind the civil power safe voltage and powered to light emitting diode.All light emitting diodes are arranged in strip.Components and parts 6 are flowed in a control that all inserts in each light emitting diode string, have effectively controlled the uniformity of every group of wick internal resistance, have guaranteed luminous uniformity and integral heat sink, make the life-span of whole semiconductor LED lamp obtain guarantee.
Configurable 1008 light emitting diodes on a circuit board that is of a size of 11700 * 40mm, the power of each light emitting diode is 0.03W, the control stream components and parts that per 4 light emitting diodes and 1 resistance are 15 Ω are cascaded, totally 252 such series circuits are together in parallel and form the strip LED luminous plaque of a 30W, input voltage was alternating current 100-240V (50-60Hz) when the light fixture that is assembled into was worked, output voltage is direct current 13V (± 5%), operating current 2300～2500mA, colour temperature is cool tone 5000-6000K, warm tones 3000-3500K, luminous efficiency 〉=160W incandescent lamp, service life 〉=20 year.
Embodiment described above is used to limit the utility model; any those skilled in the art; in the scope that does not break away from the utility model essence, can do the variation of various equivalent structures, therefore protection domain of the present utility model is looked the claim scope and is defined.
Claims (5)
1. led lamp, comprise a printed circuit board (PCB), one lamp housing, one lampshade, one Switching Power Supply and a plurality of light emitting diode, described printed circuit board (PCB) is fixed on the lamp housing inner surface, lampshade covers on the lamp housing, printed circuit board (PCB) is electrically connected with Switching Power Supply, a plurality of light emitting diodes are disposed on the printed circuit board (PCB), it is characterized in that, described printed circuit board (PCB) is a strip, connected mode between a plurality of light emitting diodes is: a plurality of light emitting diodes are divided into some groups, several light emitting diodes in every group are electrically connected with series system, are electrically connected with parallel way between the light emitting diode string and respectively organize, and are arranged in the light emitting array of a strip.
2. led lamp as claimed in claim 1 is characterized in that the number of every group of light emitting diode is identical.
3. led lamp as claimed in claim 1 is characterized in that, connects control stream components and parts in the series circuit that every group of light emitting diode connects into.
4. led lamp as claimed in claim 1 is characterized in that, described printed circuit board (PCB) is connected with described lamp housing by screw, and is close on the lamp housing inner surface.
5. led lamp as claimed in claim 1 is characterized in that, described lampshade is the translucent lampshade with convex lens structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200797413U CN201170522Y (en) | 2008-04-03 | 2008-04-03 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200797413U CN201170522Y (en) | 2008-04-03 | 2008-04-03 | LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201170522Y true CN201170522Y (en) | 2008-12-24 |
Family
ID=40209575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200797413U Expired - Fee Related CN201170522Y (en) | 2008-04-03 | 2008-04-03 | LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201170522Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893096A (en) * | 2019-03-21 | 2019-06-18 | 武汉嫦娥医学抗衰机器人股份有限公司 | A kind of face image capturing apparatus for skin analysis |
| CN110131689A (en) * | 2019-05-17 | 2019-08-16 | 潘群芝 | A kind of lamps and lanterns wiring board |
-
2008
- 2008-04-03 CN CNU2008200797413U patent/CN201170522Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893096A (en) * | 2019-03-21 | 2019-06-18 | 武汉嫦娥医学抗衰机器人股份有限公司 | A kind of face image capturing apparatus for skin analysis |
| CN110131689A (en) * | 2019-05-17 | 2019-08-16 | 潘群芝 | A kind of lamps and lanterns wiring board |
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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: 20081224 Termination date: 20100403 |