CN103388763B - A kind of LED bulb - Google Patents
A kind of LED bulb Download PDFInfo
- Publication number
- CN103388763B CN103388763B CN201310315958.5A CN201310315958A CN103388763B CN 103388763 B CN103388763 B CN 103388763B CN 201310315958 A CN201310315958 A CN 201310315958A CN 103388763 B CN103388763 B CN 103388763B
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- China
- Prior art keywords
- stem
- led
- housing
- driving chip
- lamp bead
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Abstract
The invention discloses a kind of LED bulb, comprise housing and be arranged at the illuminator in housing, described housing is made up of lamp housing and pole, and described illuminator is made up of stem stem, LED lamp bead, driving chip, and described stem stem one end is connected with pole, and the other end inserts lamp housing; Described stem stem inside is provided with cavity, and described LED lamp bead is arranged at stem stem surface, and described driving chip is positioned in cavity, and the input of described driving chip is connected with pole, and the output of described driving chip is connected with LED lamp bead.The present invention is by the dutycycle of voltage controlled oscillator modulation output current wave, and the actual power realizing LED is constant, does not affect, make bulb duty temperature more, extend the service life of bulb by the voltage of externally fed or electric current; The heat part that LED lamp bead is distributed is distributed from stem stem, and some penetrates out glass lamp housing with ultrared form, thus reduces the temperature in lamp housing, improves the service life of bulb further.
Description
Technical field
The present invention relates to bulb field, be specifically related to a kind of LED bulb.
Background technology
LED bulb be a kind of brightness higher than conventional incandescent, and power is far below the environment-friendly and energy-saving lamp of conventional incandescent, have start fast, power is little, without stroboscopic, the feature being not easy to occur visual fatigue; But LED needs special drive circuit to control lamp luminescence, has light fixture drive circuit and LED are combined as a whole at present, also has light fixture drive circuit and lamp socket are combined as a whole; But the LED lamp drive circuit of prior art only has current constant control and Isobarically Control two kinds of modes, when voltage or the electric current generation fluctuation of externally fed, the power of LED also can produce fluctuation, affects the actual life of LED bulb; The heat produced when LED is run simultaneously makes temperature in bulb higher, affects the actual life of LED bulb further.In a word, the LED bulb of prior art is difficult to reach theoretical service life by the impact of the factor such as power-supply fluctuation, heat radiation actual life.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of LED bulb, and LED bulb actual life that can solve prior art is difficult to reach the problem of theoretical service life by the impact of the factor such as power-supply fluctuation, heat radiation.
The present invention is achieved through the following technical solutions:
A kind of LED bulb, comprise housing and be arranged at the illuminator in housing, described housing is made up of lamp housing and pole, and described illuminator is made up of stem stem, LED lamp bead, driving chip, and described stem stem one end is connected with pole, and the other end inserts lamp housing; Described stem stem inside is provided with cavity, and described LED lamp bead is arranged at stem stem surface, and described driving chip is positioned in cavity, and the input of described driving chip is connected with pole, and the output of described driving chip is connected with LED lamp bead.
Further improvement of the present invention scheme is, one end that described stem stem inserts lamp housing is provided with boss, and LED lamp bead is arranged at boss surface.
Further improvement of the present invention scheme is, described LED lamp bead is pasted on soft base plate, and described soft base plate is connected to the surface of boss.
Further improvement of the present invention scheme is, described soft base plate comprises the wallboard be connected with outer wall of boss, and the end plates be connected with raised head face.
Further improvement of the present invention scheme is, described soft base plate is made up of flexible PCB material.
Further improvement of the present invention scheme is, described stem stem is made up of Heat Conduction Material.
Further improvement of the present invention scheme is, described stem stem is made of metal.
Further improvement of the present invention scheme is, described driving chip is provided with rectification circuit, voltage controlled oscillator, switch element, filter circuit, the input connecting post of described rectification circuit, the output of described rectification circuit connects the input of voltage controlled oscillator, the output of described voltage controlled oscillator connects the input of filter circuit by switch element, the output of described filter circuit connects LED lamp bead.
Further improvement of the present invention scheme is, described switch element is CMOS transistor.
Further improvement of the present invention scheme is, described lamp housing is made up of high light transmissive material, and its outer wall is provided with frosted layer, and inwall is provided with phosphor powder layer or diffusion bisque.
The present invention's advantage is compared with prior art:
One, by the dutycycle of voltage controlled oscillator modulation output current wave, the actual power realizing LED is constant, does not affect, make bulb duty temperature more, extend the service life of bulb by the voltage of externally fed or electric current;
Two, when multiple LED combinationally uses, the power of other LED can not be changed because of the damage of certain LED;
Three, change the arrangement of LED lamp bead, expand the irradiating angle of bulb, adopt the glass that light transmittance is higher to make lamp housing, improve the brightness of bulb, the LED bulb brightness of three watts can reach the brightness of 40 watts of incandescent lamps simultaneously;
Four, the heat part that LED lamp bead is distributed is distributed from stem stem, and some penetrates out glass lamp housing with ultrared form, thus reduces the temperature in lamp housing, improves the service life of bulb further.
Accompanying drawing explanation
Fig. 1 is a kind of LED bulb structural representation of the present invention.
Fig. 2 is core column structure schematic diagram.
Fig. 3 is soft base plate structural representation.
Fig. 4 is the structured flowchart of driving chip.
Fig. 5 is the electrical schematic diagram of driving chip.
Detailed description of the invention
A kind of LED bulb as shown in Figure 1, comprise housing and be arranged at the illuminator 3 in housing, described housing is made up of lamp housing 1 and pole 2, described lamp housing 1 is made up of glass, and its outer wall is provided with frosted layer, and inwall is provided with phosphor powder layer, described illuminator 3 is made up of stem stem 31, LED lamp bead 33, driving chip, described stem stem 31 is made of metal, and described stem stem 31 one end is connected with pole 2, and the other end inserts lamp housing 1; Described stem stem 31 inside is provided with cavity 32, and described LED lamp bead 33 is arranged at stem stem 31 surface, and described driving chip is positioned in cavity 32, and the input of described driving chip is connected with pole 2, and the output of described driving chip is connected with LED lamp bead 33.One end that described stem stem 31 inserts lamp housing 1 is provided with boss 34, and described LED lamp bead 33 is pasted on the soft base plate 35 be made up of flexible PCB material, and described soft base plate 35 is connected to the surface of boss 34.
As shown in Figure 3, described soft base plate 35 comprises the wallboard 351 be connected with boss 34 outer wall, and the end plates 352 be connected with boss 34 end face.
As shown in Figure 4, described driving chip is provided with rectification circuit, voltage controlled oscillator, CMOS transistor, filter circuit, the input connecting post 2 of described rectification circuit, the output of described rectification circuit connects the input of voltage controlled oscillator, the output of described voltage controlled oscillator connects the input of filter circuit by switch element, the output of described filter circuit connects LED lamp bead 33.
Claims (9)
1. a LED bulb, comprise housing and be arranged at the illuminator (3) in housing, described housing is made up of lamp housing (1) and pole (2), it is characterized in that: described illuminator (3) is made up of stem stem (31), LED lamp bead (33), driving chip, described stem stem (31) one end is connected with pole (2), and the other end inserts lamp housing (1); Described stem stem (31) inside is provided with cavity (32), described LED lamp bead (33) is arranged at stem stem (31) surface, described driving chip is positioned in cavity (32), and the input of described driving chip is connected with pole (2), and the output of described driving chip is connected with LED lamp bead (33); Described driving chip is provided with rectification circuit, voltage controlled oscillator, switch element, filter circuit, the input connecting post (2) of described rectification circuit, the output of described rectification circuit connects the input of voltage controlled oscillator, the output of described voltage controlled oscillator connects the input of filter circuit by switch element, the output of described filter circuit connects LED lamp bead (33).
2. a kind of LED bulb as claimed in claim 1, is characterized in that: one end that described stem stem (31) inserts lamp housing (1) is provided with boss (34), and LED lamp bead (33) is arranged at boss (34) surface.
3. a kind of LED bulb as claimed in claim 2, is characterized in that: described LED lamp bead (33) is pasted on soft base plate (35), and described soft base plate (35) is connected to the surface of boss (34).
4. a kind of LED bulb as claimed in claim 3, is characterized in that: described soft base plate (35) comprises the wallboard (351) be connected with boss (34) outer wall, and the end plates (352) be connected with boss (34) end face.
5. a kind of LED bulb as described in claim 3 or 4, is characterized in that: described soft base plate (35) is made up of flexible PCB material.
6. a kind of LED bulb as claimed in claim 1 or 2, is characterized in that: described stem stem (31) is made up of Heat Conduction Material.
7. a kind of LED bulb as claimed in claim 6, is characterized in that: described stem stem (31) is made of metal.
8. a kind of LED bulb as claimed in claim 1, is characterized in that: described switch element is CMOS transistor.
9. a kind of LED bulb as claimed in claim 1, is characterized in that: described lamp housing (1) is made up of high light transmissive material, and its outer wall is provided with frosted layer, and inwall is provided with phosphor powder layer or diffusion bisque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310315958.5A CN103388763B (en) | 2013-07-25 | 2013-07-25 | A kind of LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310315958.5A CN103388763B (en) | 2013-07-25 | 2013-07-25 | A kind of LED bulb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103388763A CN103388763A (en) | 2013-11-13 |
| CN103388763B true CN103388763B (en) | 2015-08-19 |
Family
ID=49533120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310315958.5A Expired - Fee Related CN103388763B (en) | 2013-07-25 | 2013-07-25 | A kind of LED bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103388763B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114040543B (en) * | 2021-07-20 | 2023-08-29 | 杰华特微电子股份有限公司 | LED linear driving circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872790Y (en) * | 2006-01-11 | 2007-02-21 | 张南洋 | Color-light controller |
| CN201199743Y (en) * | 2008-05-19 | 2009-02-25 | 大焱电机有限公司 | Lamp string control circuit |
| CN202216005U (en) * | 2011-08-16 | 2012-05-09 | 北京同方兰森照明科技有限公司深圳分公司 | Light emitting diode (LED) ball-bulb lamp |
| CN202521349U (en) * | 2012-05-08 | 2012-11-07 | 宁波龙宇光电科技有限公司 | LED (light-emitting diode) bulb light |
| CN203052306U (en) * | 2013-01-16 | 2013-07-10 | 童林清 | All-directional illumination light-emitting diode (LED) bulb |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6746885B2 (en) * | 2001-08-24 | 2004-06-08 | Densen Cao | Method for making a semiconductor light source |
| CN203322840U (en) * | 2013-07-25 | 2013-12-04 | 江苏昌泽电子有限公司 | LED bulb |
-
2013
- 2013-07-25 CN CN201310315958.5A patent/CN103388763B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872790Y (en) * | 2006-01-11 | 2007-02-21 | 张南洋 | Color-light controller |
| CN201199743Y (en) * | 2008-05-19 | 2009-02-25 | 大焱电机有限公司 | Lamp string control circuit |
| CN202216005U (en) * | 2011-08-16 | 2012-05-09 | 北京同方兰森照明科技有限公司深圳分公司 | Light emitting diode (LED) ball-bulb lamp |
| CN202521349U (en) * | 2012-05-08 | 2012-11-07 | 宁波龙宇光电科技有限公司 | LED (light-emitting diode) bulb light |
| CN203052306U (en) * | 2013-01-16 | 2013-07-10 | 童林清 | All-directional illumination light-emitting diode (LED) bulb |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103388763A (en) | 2013-11-13 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190725 |
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| CF01 | Termination of patent right due to non-payment of annual fee |