CN103388763A - LED (Light-Emitting Diode) lamp bulb - Google Patents
LED (Light-Emitting Diode) lamp bulb Download PDFInfo
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- CN103388763A CN103388763A CN2013103159585A CN201310315958A CN103388763A CN 103388763 A CN103388763 A CN 103388763A CN 2013103159585 A CN2013103159585 A CN 2013103159585A CN 201310315958 A CN201310315958 A CN 201310315958A CN 103388763 A CN103388763 A CN 103388763A
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- led lamp
- driving chip
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Abstract
The invention discloses an LED (Light-Emitting Diode) lamp bulb, which comprise a shell and a luminous body arranged in the shell, wherein the shell consists of a lamp shell and a pole; the luminous body consists of a core column, LED lamp beads and a driving chip; one end of the core column is connected with the pole, and the other end of the core column is inserted into the lamp shell; a cavity is formed inside the core column; the LED lamp beads are arranged on the surface of the core column; the driving chip is placed into the cavity; the input end of the driving chip is connected with the pole; the output end of the driving chip is connected with the LED lamp beads. According to the LED lamp bulb, the duty ratio of an output current waveform is modulated via a voltage-controlled oscillator, so that the practical power of an LED lamp is kept constant and is not influenced by the voltage or current of external power supply, the working state of the lamp bulb becomes more stable, and the service life of the lamp bulb is prolonged; and a part of heat released by the LED lamp bulbs is dissipated from the core column, and the other part permeates through the glass lamp shell in the form of infrared rays, so that the internal temperature of the lamp shell is lowered, and the service life of the lamp bulb is further prolonged.
Description
Technical field
The present invention relates to the bulb field, be specifically related to a kind of LED bulb.
Background technology
The 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, be not easy to occur the characteristics of visual fatigue; But the LED lamp needs special drive circuit control lamp luminescence, and the light fixture that drive circuit and LED lamp are combined as a whole is arranged at present, and the light fixture that drive circuit and lamp socket are combined as a whole is also arranged; But the LED lamp drive circuit of prior art only has constant current control and constant voltage to control dual mode, and when externally fluctuation occurred for the voltage of power supply or electric current, the power of LED lamp also can produce fluctuation, affects the actual life of LED bulb; The heat that produces during LED lamp operation simultaneously makes the interior temperature of bulb higher, further affects the actual life of LED bulb.In a word, the LED bulb of prior art is subjected to the impact of the factors such as power-supply fluctuation, heat radiation to be difficult to reach theoretical service life 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 the LED bulb that can solve prior art is subjected to the impact of the factors such as power-supply fluctuation, heat radiation to be difficult to reach the problem of theoretical service life actual life.
The present invention is achieved through the following technical solutions:
A kind of LED bulb comprises housing and is arranged at the interior illuminator of housing that described housing is comprised of lamp housing and pole, and described illuminator is comprised of stem stem, LED lamp pearl, 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 pearl is arranged at the 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 pearl.
The further improvement of the present invention scheme is, the end that described stem stem inserts lamp housing is provided with boss, and LED lamp pearl is arranged at boss surface.
The further improvement of the present invention scheme is, described LED lamp pearl is pasted on soft base plate, and described soft base plate is connected in the surface of boss.
The further improvement of the present invention scheme is that described soft base plate comprises the wallboard that is connected with outer wall of boss, and the end plates that are connected with raised head face.
The further improvement of the present invention scheme is that described soft base plate is made by the flexible PCB material.
The further improvement of the present invention scheme is that described stem stem is made by Heat Conduction Material.
The further improvement of the present invention scheme is that described stem stem is made of metal.
The further improvement of the present invention scheme is, be provided with rectification circuit, voltage controlled oscillator, switch element, filter circuit on described driving chip, 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 pearl.
The further improvement of the present invention scheme is that described switch element is the CMOS transistor.
The further improvement of the present invention scheme is, described lamp housing is made by 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 compared with prior art is:
One, modulate the dutycycle of output current wave by voltage controlled oscillator, realize that the actual power of LED lamp is constant, be not subjected to voltage or the current affects of externally fed, make bulb duty temperature more, extended the service life of bulb;
Two, when a plurality of LED lamps are used in combination, can not change because of the damage of certain LED lamp the power of other LED lamp;
Three, change arranging of LED lamp pearl, enlarged the irradiating angle of bulb, adopt simultaneously the higher glass of light transmittance to make lamp housing, the brightness that has improved bulb, the LED bulb brightness of three watts can reach the brightness of 40 watts of incandescent lamps;
Four, a LED lamp pearl heat part of distributing is distributed from stem stem, and some penetrates out glass lamp housing with ultrared form, thereby reduces the temperature in lamp housing, the service life of further improving bulb.
Description of drawings
Fig. 1 is a kind of LED bulb structure schematic diagram of the present invention.
Fig. 2 is the core column structure schematic diagram.
Fig. 3 is the soft base plate structural representation.
Fig. 4 is for driving the structured flowchart of chip.
Fig. 5 is for driving the electrical schematic diagram of chip.
The specific embodiment
A kind of LED bulb as shown in Figure 1, comprise housing and be arranged at the interior illuminator 3 of housing, described housing is comprised of lamp housing 1 and pole 2, described lamp housing 1 is made by glass, and its outer wall is provided with frosted layer, and inwall is provided with phosphor powder layer, described illuminator 3 is comprised of stem stem 31, LED lamp pearl 33, driving chip, described stem stem 31 is made of metal, and described stem stem 31 1 ends are connected with pole 2, and the other end inserts lamp housing 1; Described stem stem 31 inside are provided with cavity 32, and described LED lamp pearl 33 is arranged at stem stem 31 surfaces, 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 pearl 33.The end that described stem stem 31 inserts lamp housing 1 is provided with boss 34, and described LED lamp pearl 33 is pasted on the soft base plate 35 of being made by the flexible PCB material, and described soft base plate 35 is connected in the surface of boss 34.
As shown in Figure 3, described soft base plate 35 comprises the wallboard 351 that is connected with boss 34 outer walls, and the end plates 352 that are connected with boss 34 end faces.
As shown in Figure 4, be provided with rectification circuit, voltage controlled oscillator, CMOS transistor, filter circuit on described driving chip, 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 pearl 33.
Claims (10)
1. LED bulb, comprise housing and be arranged at the interior illuminator (3) of housing, described housing is comprised of lamp housing (1) and pole (2), it is characterized in that: described illuminator (3) is comprised of stem stem (31), LED lamp pearl (33), driving chip, described stem stem (31) one ends are 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 pearl (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 pearl (33).
2. a kind of LED bulb as claimed in claim 1 is characterized in that: the end that described stem stem (31) inserts lamp housing (1) is provided with boss (34), and LED lamp pearl (33) is arranged at boss (34) surface.
3. a kind of LED bulb as claimed in claim 2, it is characterized in that: described LED lamp pearl (33) is pasted on soft base plate (35), and described soft base plate (35) is connected in the surface of boss (34).
4. a kind of LED bulb as claimed in claim 3, it is characterized in that: described soft base plate (35) comprises the wallboard (351) that is connected with boss (34) outer wall, and the end plates (352) that are connected with boss (34) end face.
5. a kind of LED bulb as described in claim 3 or 4, it is characterized in that: described soft base plate (35) is made by the flexible PCB material.
6. a kind of LED bulb as claimed in claim 1 or 2, it is characterized in that: described stem stem (31) is made by Heat Conduction Material.
7. a kind of LED bulb as claimed in claim 6, it is characterized in that: described stem stem (31) is made of metal.
8. a kind of LED bulb as claimed in claim 1, it is characterized in that: be provided with rectification circuit, voltage controlled oscillator, switch element, filter circuit on described driving chip, 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 pearl (33).
9. a kind of LED bulb as claimed in claim 8, it is characterized in that: described switch element is the CMOS transistor.
10. a kind of LED bulb as claimed in claim 1, it is characterized in that: described lamp housing (1) is made by 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 true CN103388763A (en) | 2013-11-13 |
| CN103388763B CN103388763B (en) | 2015-08-19 |
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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 |
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| Country | Link |
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| CN (1) | CN103388763B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114040543A (en) * | 2021-07-20 | 2022-02-11 | 杰华特微电子股份有限公司 | LED linear driving circuit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030040200A1 (en) * | 2001-08-24 | 2003-02-27 | Densen Cao | Method for making a semiconductor light source |
| 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 |
| 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030040200A1 (en) * | 2001-08-24 | 2003-02-27 | Densen Cao | Method for making a semiconductor light source |
| 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 |
| CN203322840U (en) * | 2013-07-25 | 2013-12-04 | 江苏昌泽电子有限公司 | LED bulb |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114040543A (en) * | 2021-07-20 | 2022-02-11 | 杰华特微电子股份有限公司 | LED linear driving circuit |
| CN114040543B (en) * | 2021-07-20 | 2023-08-29 | 杰华特微电子股份有限公司 | LED linear driving circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103388763B (en) | 2015-08-19 |
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