CN2775469Y - Luminous diode lamp bulb - Google Patents
Luminous diode lamp bulb Download PDFInfo
- Publication number
- CN2775469Y CN2775469Y CNU2005200958021U CN200520095802U CN2775469Y CN 2775469 Y CN2775469 Y CN 2775469Y CN U2005200958021 U CNU2005200958021 U CN U2005200958021U CN 200520095802 U CN200520095802 U CN 200520095802U CN 2775469 Y CN2775469 Y CN 2775469Y
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- light emitting
- emitting diode
- lamp bulb
- bulb
- circuit
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Abstract
The utility model relates to a lamp bulb of a light emitting diode. The utility model is composed of a lamp body, light emitting diodes, driving circuits and a circuit plate, wherein at least two groups of driving circuits are arranged in the lamp bulb. The inner part of each group of driving circuit is connected in series with a group of light emitting diodes 1. The working voltage of the group of light emitting diodes is less than 36V or is equal to 36V. The inner part of the lamp bulb is provided with a voltage regulating circuit. A regulating handle 7 of a potentiometer in the voltage regulating circuit is arranged on the lamp body 3. The surface of the circuit plate 6 or a seat plate 4 is stuck with a mirror surface light reflecting film 5. The current in the driving circuits is fundamentally constant. The load received by an electrical apparatus element is low, no mutual interference exists, the performance requirement for the element is lower, the work of the lamp bulb is stable, the safety and the reliability of the work of the lamp bulb can be ensured, the service life is extended and the utility model is suitable for occasions which utilize a small power light emitting diode to make a large power lamp bulb for lighting. The light regulating function of the lamp bulb and the secondary reflection property of light rays can be increased. The usage of the lamp bulb is convenient, and the light emitting effect is homogeneous and soft.
Description
Technical field
The utility model relates to a kind of lighting device of non-incandescent lamp, particularly a kind of Semiconductor light-emitting diode lamp bubble.
Background technology
Light emitting diode bulb-LED bulb is owing to have the effect height, brightness is big, it is low to generate heat, power-saving, advantages such as long service life, more and more be subject to people's attention, in recent years, the LED bulb has begun to be applied to industry and domestic lighting field, circuit such as Chinese patent publication number: CN2444117Y relatively more commonly used at present, open day: August 22 calendar year 2001, denomination of invention: propose in " light emitting diode monochromatic bulb " light emitting diode of several roads series connection is connected in parallel on a technical scheme on the drive circuit, this scheme solved preferably low power LED need not transformer can be in the use problem under the civil power high pressure, but it is bigger that the electric elements in this scheme in the drive circuit bear load, if drive circuit breaks down, then whole bulb just can not be luminous, and it is higher to be connected in parallel on the voltage that the serial connection light emitting diode group on the drive circuit bears, electric current is bigger, if a damage is arranged, will cause the current fluctuation on each branch road, easily cause other light emitting diodes breakdown, influence the service life of bulb.Because it is higher that drive circuit offers the voltage of light emitting diode group, aspect the security of using deficiency is being arranged also.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and then a kind of light emitting diode bulb is provided, and its dependability height, life-span are long.
Technical solution of the present utility model is: a kind of light emitting diode bulb, form by lamp body, light emitting diode, drive circuit and circuit board, and be provided with two groups of drive circuits in the bulb at least, all be in series with one group of light emitting diode in every group of drive circuit.
The utility model is all right: the operating voltage of light emitting diode group is less than or equal to 36 volts in the drive circuit.
The utility model is all right: the power inleting terminal at drive circuit is connected with regulating circuit, and the release handle of potentiometer is arranged on the lamp body in its regulating circuit.
The utility model is all right: post the minute surface reflective membrane on circuit board or seat board surface that light emitting diode is installed.
The beneficial effects of the utility model are: adopt a plurality of drive circuits and the light emitting diode group of connecting therein, at first guaranteed the reliability of bulb work, even one group of drive circuit fault, light emitting diode in this group does not work, but light emitting diode is still luminous in the drive circuit of other operate as normal, and bulb still can throw light on; The 2nd, this design has guaranteed the substantially constant of electric current in the drive circuit, in case current-limiting resistance is decided, electric current does not just have big fluctuation in the circuit, even some light emitting diodes damage, the still big substantially change of electric current in this circuit, other light emitting diodes in the series loop are still luminous, can not impact, increase the reliability that bulb uses, prolonged service life.The light emitting diode that maintain and replace damages is also very convenient: the 3rd, and to bear duty ratio lower for each element in the drive circuit, no phase mutual interference, performance requirement to electric elements is lower, bulb manufacturing assembling is simple, convenient, need not debugging on the circuit, bulb work is more stable, relatively is suitable for utilizing low power LED to make than the occasion of high-power illumination of bulb; The 4th, the operating voltage of light-emitting component is a safe voltage, during no lampshade, can artificially touch the light-emitting component on the lamp holder, and security is good, scope of application broad.The utility model is connected with regulating circuit and the release handle of its potentiometer is arranged on the lamp socket at the power inleting terminal of drive circuit, increased the dimming function of bulb, make bulb more convenient to use, the adjusting of bulb light is in placed in the middle or higher position mostly in general the use, can all the time light be adjusted to maximum, this has also stayed surplus capacity for the live load of each electric elements in the bulb, has further improved the service life of bulb; The minute surface reflective membrane is posted on the seat board surface of in the bulb light emitting diode being installed, and makes the light that light emitting diode sends in the bulb obtain secondary reflection, and luminous efficiency is higher, and the light that bulb sends is softer, and is more even; This bulb can also can adopt lampshade without lampshade, as long as interface and lamp body match, its lampshade form can variation.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model
Fig. 2 is a structural representation of the present utility model
Fig. 3 is the schematic diagram of the another kind of structure of the utility model
The specific embodiment
Below in conjunction with the drawings and the specific embodiments the utility model is described in further detail:
Referring to Fig. 1, Fig. 2 circuit of the present utility model mainly is made up of two parts, the one, drive circuit, pressure regulation capacitor C 2 and bleeder resistance R4 one end in parallel with it connect a utmost point of 220 volts of power supplys, the other end is connected with an ac input end of diode rectifier bridge, and another ac input end of diode rectifier bridge connects another utmost point of 220 volts of power supplys; Be serially connected with several light emitting diodes 1 and the current-limiting resistance R3 that are connected into one group between the cathode output end of diode rectifier bridge and the cathode output end.The light emitting diode 1 of series connection is 5 millimeters by diameter generally, 2.8 volts of operating voltages, and the model specification that operating current is 10 milliamperes is selected for use, and its quantity equals 36 volts or be lower than 36 volts with the operating voltage of guaranteeing light emitting diode group in the drive circuit generally about 8-12 is individual.Shown in Fig. 1, such drive circuit has two at least in a bulb, also can be provided with as required, as being labeled as N the drive circuit of " N " representative in frame of broken lines in Fig. 1, for the bigger bulb of power, wherein the quantity of drive circuit can be the 6-10 group.The 2nd, regulating circuit, by among Fig. 1 shown in another frame of broken lines, regulating circuit is arranged on 220 volts of power line one ends of drive circuit, the power supply of pressure regulation directly is provided to each drive circuit, the release handle 7 of potentiometer is installed in lamp body 2 positions on the bulb in the regulating circuit, regulating circuit system adopts known common circuit, is not described further here.
Referring to Fig. 2, Fig. 3, appearance structure of the present utility model steeps just as an ordinary incandescent lamp, the top of bulb is a lampshade 3, and the below is a lamp body 2, and lampshade 3 and lamp body 2 are connected by bayonet socket, also can be by being threaded, lampshade 3 adopts the compression moulding of (PMMA) Ya Keli material to make, and the inner face of lampshade 3 is made the frosting of colour mixture astigmatism, makes light softer pleasing.The shell of lamp body 2 adopts the compression moulding of ABS engineering plastics to make, or forms with frosted after the glass blowing.On the top of lamp body 2 seat board 4 is installed, light emitting diode 1 is installed on the seat board 4, minute surface reflective membrane 5 is posted on the plate body surface of on the seat board 4 light emitting diode 1 being installed, in order to reflect the light that light emitting diode 1 sends, increase brightness, the below of seat board 4 is that circuit board 6, two plates can directly be fixed on respectively on the lamp body 2, also two plates can be fixed together earlier, and then be fixed on the lamp body 2.The form of some bulb is a cancellation seat board 4, and light emitting diode 1 is directly installed on the circuit board 6, and this can think seat board 4 and circuit board 6 are integrated, if light emitting diode 1 is installed on the circuit board 6 and then should sticks minute surface reflective membrane 5 on the surface of circuit board 6.Seat board 4 and circuit board 6 all adopt epoxide resin material to be made into printed circuit board (PCB), and coated has protection against the tide, protection from fumes, etch-proof three anti-lacquers on the printed circuit board (PCB) of making, to reach the design standard of high reliability long life.Light emitting diode 1 is according to the number of packets of light emitting diode 1 and drive circuit serial connection, and the bulb about general 25W adopts the light emitting diode 1 of 5 millimeters of 30 diameters, divides three groups of series connection accesses to be arranged in three groups of drive circuits on lamp body 2 interior circuit boards 6.Also be fixed with potentiometer on the circuit board 6, the release handle 7 of potentiometer passes on lamp body 2 shells corresponding opening and stretches out outside the lamp body 2.
The bottom of lamp body 2 is the interface 8 of bulb, and is identical with incandescent lamp, and the interface 8 of the utility model bulb also is divided into forms such as socket and screw socket.The interface 8 of bulb is screwed in lamp socket, open switch, bulb can be luminous, at this moment stirs the release handle 7 that is located on the lamp body 2, and the luminosity of bulb will change thereupon.Fig. 3 is the structural representation of another kind of bulb, and is just different among the outer shape of bulb and Fig. 1, basic identical among its internal structure and Fig. 2.
Claims (4)
1. a light emitting diode bulb is made up of lamp body, light emitting diode, drive circuit and circuit board, it is characterized in that: be provided with two groups of drive circuits in the bulb at least, all be in series with one group of light emitting diode (1) in every group of drive circuit.
2. a kind of light emitting diode bulb according to claim 1 is characterized in that: the operating voltage of light emitting diode group is less than or equal to 36 volts in the drive circuit.
3. a kind of light emitting diode bulb according to claim 1 and 2 is characterized in that: the power inleting terminal at drive circuit is connected with regulating circuit, and the release handle of potentiometer (7) is arranged on the lamp body (2) in its regulating circuit.
4. a kind of light emitting diode bulb according to claim 1 and 2 is characterized in that: post minute surface reflective membrane (5) on circuit board (6) or seat board (4) surface that light emitting diode (1) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200958021U CN2775469Y (en) | 2005-04-04 | 2005-04-04 | Luminous diode lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200958021U CN2775469Y (en) | 2005-04-04 | 2005-04-04 | Luminous diode lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2775469Y true CN2775469Y (en) | 2006-04-26 |
Family
ID=36749786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200958021U Expired - Fee Related CN2775469Y (en) | 2005-04-04 | 2005-04-04 | Luminous diode lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2775469Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251230B (en) * | 2007-12-20 | 2010-06-16 | 和谐光电科技（泉州）有限公司 | Modularized high-power LED road lamp as well as standardized LED light source module group unit thereof |
| CN101889475B (en) * | 2007-11-28 | 2013-08-07 | 科锐公司 | Solid state lighting devices and methods of manufacturing the same |
| CN103742803A (en) * | 2013-12-24 | 2014-04-23 | 孙雪刚 | Light-emitting diode (LED) bulb |
-
2005
- 2005-04-04 CN CNU2005200958021U patent/CN2775469Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101889475B (en) * | 2007-11-28 | 2013-08-07 | 科锐公司 | Solid state lighting devices and methods of manufacturing the same |
| US8866410B2 (en) | 2007-11-28 | 2014-10-21 | Cree, Inc. | Solid state lighting devices and methods of manufacturing the same |
| US9491828B2 (en) | 2007-11-28 | 2016-11-08 | Cree, Inc. | Solid state lighting devices and methods of manufacturing the same |
| CN101251230B (en) * | 2007-12-20 | 2010-06-16 | 和谐光电科技（泉州）有限公司 | Modularized high-power LED road lamp as well as standardized LED light source module group unit thereof |
| CN103742803A (en) * | 2013-12-24 | 2014-04-23 | 孙雪刚 | Light-emitting diode (LED) bulb |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |