CN2926767Y - LED fluorescent lamp - Google Patents
LED fluorescent lamp Download PDFInfo
- Publication number
- CN2926767Y CN2926767Y CNU2006200044922U CN200620004492U CN2926767Y CN 2926767 Y CN2926767 Y CN 2926767Y CN U2006200044922 U CNU2006200044922 U CN U2006200044922U CN 200620004492 U CN200620004492 U CN 200620004492U CN 2926767 Y CN2926767 Y CN 2926767Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- constant
- signal
- light emitting
- emitting diode
- 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
Links
Images
Abstract
The utility model relates a LED daylight lamp, which comprises a loading light body (11), a plurality of LED light emitting diodes (3) arranged on the loading light body (11), and a power circuit arranged on the loading light body (11) to supply power for the LED light emitting diode (3); at the two points of the stated loading light body (11) each are provided with a light rack matching along with the traditional daylight light rack. The utility model of the LED daylight lamp can replace the traditional daylight lighting tube, thereby the illumination is high, and can be energy-saving, and also the useful time is long.
Description
Technical field
The utility model relates to a kind of LED fluorescent lamp.
Background technology
The home lighting instrument is main flow with the traditional fluorescent lamp.Traditional fluorescent lamp is moulded lamp bracket by fluorescent tube, ballast, starter and iron and is formed, and iron is moulded lamp bracket and is provided with starter base and a pair of daylight lamp foot socket.Fluorescent tube is arranged between the described a pair of daylight lamp foot socket, also is that the traditional fluorescent lamp pipe is arranged in the fluorescent lamp base.
Along with the attention of society to energy conservation, the energy-saving lighting lamp has obtained extensive popularization, and existing energy-saving illuminating lamp is based on power saving fluorescent lamp.But the power consumption of power saving fluorescent lamp is still higher.
The utility model content
The purpose of this utility model is the problem at above-mentioned existence, and a kind of LED fluorescent lamp is provided.
To achieve these goals, the utility model provides following technical scheme: design a kind of LED fluorescent lamp, have carry a lamp body, a plurality of being arranged on carried the LED light emitting diode on the lamp body and is arranged on the power circuit that is used for providing to the LED light emitting diode power supply that carries on the lamp body; The lamp body two ends respectively were provided with the lamp base that is complementary with the traditional fluorescent lamp lamp socket in described year.
The described LED light emitting diode that is arranged on year lamp body comprises the LED light emitting diode of a plurality of different lighting angles.
Described year lamp body is surface plate, and described LED light emitting diode is evenly distributed on a side of carrying lamp body, and power circuit is arranged on the opposite side that carries lamp body.
Lamp body, LED light emitting diode and power circuit were arranged in the housing in described year, and housing is a hollow cylinder, and be translucent with a side that is provided with the LED light emitting diode corresponding of carrying lamp body.
Described power circuit comprises rectification circuit and constant-current drive circuit; The input termination city alternating current of rectification circuit, the power end of the output termination constant-current drive circuit of rectification circuit, the power end of the constant current output termination LED light emitting diode of constant-current drive circuit; Rectification circuit is the rectification circuit that city's alternating current is transformed into the smooth direct current electricity; Constant-current drive circuit is that the smooth direct current electricity that rectification circuit is transformed into is further changed to be suitable for the constant-current drive circuit of constant-current driving LED lumination of light emitting diode.
Described power circuit also comprises sample circuit, reference circuit and PWM modulation circuit; The constant current output of the sampling input termination constant-current drive circuit of sample circuit, the input of the sampling output termination reference circuit of sample circuit, the reference signal input of the reference signal output termination PWM modulation circuit of reference circuit, the modulation signal input of the modulation signal output termination constant-current drive circuit of PWM modulation circuit;
Described sample circuit is the sample circuit that generates the sampling voltage signal according to the voltage swing of constant-current drive circuit constant current output; Reference circuit is the sampling voltage signal that sample circuit is generated and self reference voltage signal is made comparisons and the negative-feedback signal of corresponding generation is sent into the reference circuit of PWM modulation circuit reference signal input; The PWM modulation circuit is to carry out corresponding pulse width adjustment and generate modulation signal according to the negative-feedback signal that reference circuit generates, and described modulation signal is delivered to the PWM modulation circuit of the modulation signal input of constant-current drive circuit.
Described power circuit also comprises the intensity collection circuit, the light intensity signal input of the light intensity signal output termination PWM modulation circuit of intensity collection circuit; The intensity collection circuit is the photovoltage signal that can generate corresponding size according to the power that the LED light emitting diode emits beam, and converts the photovoltage signal to be suitable for that PWM modulation circuit light intensity signal input receives the circuit as the signal of telecommunication of light intensity feedback signal; The PWM modulation circuit further is to carry out corresponding pulse width adjustment and to generate modulation signal according to the light intensity feedback signal, and modulation signal is delivered to the circuit of the modulation signal input of constant-current drive circuit.
Described intensity collection circuit comprises intensity collection sensor and photoelectric switching circuit; The input of the transducing signal output termination photoelectric switching circuit of intensity collection sensor, the output of photoelectric switching circuit is the light intensity signal output of intensity collection circuit.
Technique scheme of the present utility model has the following advantages compared to existing technology: LED fluorescent lamp of the present utility model and traditional fluorescent lamp base can mate setting, it can be installed in the traditional fluorescent lamp lamp socket, to replace traditional fluorescent lamp pipe, brightness height, energy-conservation and long service life.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the cut-away illustration of LED fluorescent lamp of the present utility model;
Fig. 2 is the front schematic view of LED fluorescent lamp of the present utility model;
Fig. 3 is the circuit block diagram of the power circuit of LED fluorescent lamp of the present utility model.
The specific embodiment
Embodiment 1
See Fig. 1-2, the LED fluorescent lamp of present embodiment, have carry a lamp body 11, a plurality of being arranged on carried the LED light emitting diode 3 on the lamp body 11 and is arranged on the power circuit that is used for providing to LED light emitting diode 3 power supply that carries on the lamp body 11; Lamp body 11 two ends respectively were provided with the lamp base that is complementary with the traditional fluorescent lamp lamp socket in described year, to replace the traditional fluorescent lamp pipe.During use, described lamp base and no power, the power end of power circuit links to each other with city's alternating current.Lamp body 11 was a surface plate in described year, and described LED light emitting diode 3 is evenly distributed on a side of carrying lamp body 11, made it luminous evenly, and power circuit is arranged on the opposite side that carries lamp body 11.Described power circuit comprises rectification circuit 1 and constant-current drive circuit 2; The input of rectification circuit 1 is the power supply termination city alternating current of power circuit, the power end of the output termination constant-current drive circuit 2 of rectification circuit 1, the power end of the constant current output termination LED light emitting diode 3 of constant-current drive circuit 2.Rectification circuit 1 is the rectification circuit that city's alternating current is transformed into the smooth direct current electricity; Constant-current drive circuit 2 be smooth direct current electricity that rectification circuit 1 is transformed into further conversion to be suitable for the luminous constant-current drive circuit of constant-current driving LED light emitting diode 3.
Present embodiment adopts LED fluorescent lamp service life is more than 20,000 hours; The LED luminous efficiency is high and energy-conservation, and LED brightness is more than 20000mcd.
Embodiment 2
On the basis of embodiment 1, be arranged on the LED light emitting diode that the LED light emitting diode 3 that carries on the lamp body 11 comprises a plurality of different lighting angles in the present embodiment, when guaranteeing frontlighting brightness, taken into account the needs of side illumination brightness again.
The lighting angle characteristic of LED light emitting diode comprises 20 degree, 50 degree, 70 degree and 120 degree.
On the basis of embodiment 1, lamp body 11, LED light emitting diode 3 and power circuit were arranged in the housing 10 in described year.Described housing adopts high-intensity PC plate polycarbonate structure plate shell to make, and also can adopt the material that other light transmissions are good, intensity is high to make.Housing 10 is a hollow cylinder, and translucent with a side that is provided with LED light emitting diode 3 corresponding of carrying lamp body 11, second half is opaque milky housing.
Housing one is translucent, and second half is opaque milky, and the milky housing has blocked the circuit part of fluorescent tube inside, has reduced the dazzle of passing through inside, and makes the LED fluorescent lamp more attractive in appearance.
Embodiment 4
On the basis of embodiment 1, see Fig. 3, described power circuit also comprises sample circuit 4, reference circuit 5 and PWM modulation circuit 6; The constant current output of the sampling input termination constant-current drive circuit 2 of sample circuit 4, the input of the sampling output termination reference circuit 5 of sample circuit 4, the reference signal input of the reference signal output termination PWM modulation circuit 6 of reference circuit 5, the modulation signal input of the modulation signal output termination constant-current drive circuit 2 of PWM modulation circuit 6.
Sample circuit 4 is the sample circuits that generate the sampling voltage signal according to the voltage swing of constant-current drive circuit 2 constant current outputs; Reference circuit 5 is sampling voltage signals that sample circuit 4 is generated and self reference voltage signal is made comparisons and the negative-feedback signal of corresponding generation is sent into the reference circuit of PWM modulation circuit 6 reference signal inputs; PWM modulation circuit 6 is to carry out corresponding pulse width adjustment and generate modulation signal according to the negative-feedback signal that reference circuit 5 generates, and described modulation signal delivered to the PWM modulation circuit of the modulation signal input of constant-current drive circuit 2, drive with the constant current that realizes constant-current drive circuit 2.
Embodiment 5
On the basis of embodiment 4, see Fig. 3, power circuit described in the present embodiment also comprises intensity collection circuit 7, the light intensity signal input of the light intensity signal output termination PWM modulation circuit 6 of intensity collection circuit 7.
Intensity collection circuit 7 is the photovoltage signals that can generate corresponding size according to the power that LED light emitting diode 3 emits beam, and converts the photovoltage signal to be suitable for that PWM modulation circuit 6 light intensity signal inputs receive the intensity collection circuit as the signal of telecommunication of light intensity feedback signal; PWM modulation circuit 6 further is to carry out corresponding pulse width adjustment and to generate modulation signal according to the light intensity feedback signal, and modulation signal is delivered to the PWM modulation circuit of the modulation signal input of constant-current drive circuit 2.
Described intensity collection circuit 7 comprises intensity collection sensor and photoelectric switching circuit; The input of the transducing signal output termination photoelectric switching circuit of intensity collection sensor, the output of photoelectric switching circuit is the light intensity signal output of intensity collection circuit 7.
In the utility model, adopted the brightness regulating circuit of forming by intensity collection circuit 7 and PWM modulation circuit 6.Because lamp body 11 time is carried in the work of LED light emitting diode can heating, cause that chip in the power circuit is heated its internal resistance is reduced, electric current increases, and further accelerates heating, and makes the rotten loss of luminescent material of LED light emitting diode, and light reduces, and influences the life-span of LED.The utility model can effectively suppress the defective that electric current increases, light intensity explodes, the LED lifetime of LED sharply shortens that causes owing to the chip heating by the degenerative adjustment of PWM of PWM modulation circuit 6.
LED fluorescent lamp of the present utility model can be used for various production lines, meeting room, market, stadium etc. needs the centralized lighting part, is particularly useful for as place eminence illumination such as the master Room, hotel, market courtyard with as weaving, car, mills, machine shop such as boring.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (8)
1, a kind of LED fluorescent lamp is characterized in that: have carry a lamp body (11), a plurality of being arranged on carried the LED light emitting diode (3) on the lamp body (11) and is arranged on the power circuit that is used for providing to LED light emitting diode (3) power supply on year lamp body (11); Lamp body (11) two ends respectively were provided with the lamp base that is complementary with the traditional fluorescent lamp lamp socket in described year.
2, LED fluorescent lamp according to claim 1 is characterized in that: be arranged on the LED light emitting diode that the LED light emitting diode (3) that carries on the lamp body (11) comprises a plurality of different lighting angles.
3, LED fluorescent lamp according to claim 1 and 2 is characterized in that: described year lamp body (11) be surface plate, described LED light emitting diode (3) is evenly distributed on a side of carrying lamp body (11), power circuit is arranged on the opposite side that carries lamp body (11).
4, LED fluorescent lamp according to claim 3, it is characterized in that: lamp body (11), LED light emitting diode (3) and power circuit were arranged in the housing (10) in described year, housing (10) is a hollow cylinder, and is translucent with a side that is provided with LED light emitting diode (3) corresponding of carrying lamp body (11).
5, according to claim 1, one of 2 and 4 described LED fluorescent lamps, it is characterized in that: described power circuit comprises rectification circuit (1) and constant-current drive circuit (2); The input termination city alternating current of rectification circuit (1), the power end of the output termination constant-current drive circuit (2) of rectification circuit (1), the power end of the constant current output termination LED light emitting diode (3) of constant-current drive circuit (2); Rectification circuit (1) is the rectification circuit that city's alternating current is transformed into the smooth direct current electricity; Constant-current drive circuit (2) is that the smooth direct current electricity that rectification circuit (1) is transformed into is further changed to be suitable for the luminous constant-current drive circuit of constant-current driving LED light emitting diode (3).
6, LED fluorescent lamp according to claim 5 is characterized in that: described power circuit also comprises sample circuit (4), reference circuit (5) and PWM modulation circuit (6); The constant current output of the sampling input termination constant-current drive circuit (2) of sample circuit (4), the input of the sampling output termination reference circuit (5) of sample circuit (4), the reference signal input of the reference signal output termination PWM modulation circuit (6) of reference circuit (5), the modulation signal input of the modulation signal output termination constant-current drive circuit (2) of PWM modulation circuit (6);
Sample circuit (4) is the sample circuit that generates the sampling voltage signal according to the voltage swing of constant-current drive circuit (2) constant current output; Reference circuit (5) is the sampling voltage signal that sample circuit (4) is generated and self reference voltage signal is made comparisons and the negative-feedback signal of corresponding generation is sent into the reference circuit of PWM modulation circuit (6) reference signal input; PWM modulation circuit (6) is to carry out corresponding pulse width adjustment and generate modulation signal according to the negative-feedback signal that reference circuit (5) generates, and described modulation signal is delivered to the PWM modulation circuit of the modulation signal input of constant-current drive circuit (2).
7, LED fluorescent lamp according to claim 6 is characterized in that: described power circuit also comprises intensity collection circuit (7), the light intensity signal input of the light intensity signal output termination PWM modulation circuit (6) of intensity collection circuit (7); Intensity collection circuit (7) is the photovoltage signal that can generate corresponding size according to the power that LED light emitting diode (3) emit beam, and converts the photovoltage signal to be suitable for that PWM modulation circuit (6) light intensity signal input receives the circuit as the signal of telecommunication of light intensity feedback signal; PWM modulation circuit (6) further is to carry out corresponding pulse width adjustment and to generate modulation signal according to the light intensity feedback signal, and modulation signal is delivered to the circuit of the modulation signal input of constant-current drive circuit (2).
8, LED fluorescent lamp according to claim 7 is characterized in that: described intensity collection circuit (7) comprises intensity collection sensor and photoelectric switching circuit; The input of the transducing signal output termination photoelectric switching circuit of intensity collection sensor, the output of photoelectric switching circuit is the light intensity signal output of intensity collection circuit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200044922U CN2926767Y (en) | 2006-02-27 | 2006-02-27 | LED fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200044922U CN2926767Y (en) | 2006-02-27 | 2006-02-27 | LED fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2926767Y true CN2926767Y (en) | 2007-07-25 |
Family
ID=38281014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200044922U Expired - Fee Related CN2926767Y (en) | 2006-02-27 | 2006-02-27 | LED fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2926767Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453896C (en) * | 2007-10-16 | 2009-01-21 | 东莞勤上光电股份有限公司 | LED fluorescent tube |
| WO2009094908A1 (en) * | 2008-01-27 | 2009-08-06 | Shenzhen Green Semiconductor Lighting Co., Ltd. | Led daylight lamp |
| CN104806913A (en) * | 2015-05-19 | 2015-07-29 | 毕节兴国实业有限公司 | Light-emitting diode lamp strip |
| US9239157B2 (en) | 2010-08-26 | 2016-01-19 | Rasit Özgüc | Light-emitting means, in particular for operation in lampholders for fluorescent lamps |
| CN105611677A (en) * | 2016-03-03 | 2016-05-25 | 北京宇环通高科技有限公司 | Novel ACLED lighting light source and downlink communication system |
-
2006
- 2006-02-27 CN CNU2006200044922U patent/CN2926767Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453896C (en) * | 2007-10-16 | 2009-01-21 | 东莞勤上光电股份有限公司 | LED fluorescent tube |
| WO2009094908A1 (en) * | 2008-01-27 | 2009-08-06 | Shenzhen Green Semiconductor Lighting Co., Ltd. | Led daylight lamp |
| US9239157B2 (en) | 2010-08-26 | 2016-01-19 | Rasit Özgüc | Light-emitting means, in particular for operation in lampholders for fluorescent lamps |
| CN104806913A (en) * | 2015-05-19 | 2015-07-29 | 毕节兴国实业有限公司 | Light-emitting diode lamp strip |
| CN105611677A (en) * | 2016-03-03 | 2016-05-25 | 北京宇环通高科技有限公司 | Novel ACLED lighting light source and downlink communication system |
| CN105611677B (en) * | 2016-03-03 | 2018-11-06 | 威宇（北京）光电技术有限公司 | A kind of downlink communication system with ACLED lighting sources |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2766345Y (en) | LED lighting lamp tube | |
| CN101498411A (en) | Convertible embedded tube lamp LED device | |
| CN2926767Y (en) | LED fluorescent lamp | |
| CN2914118Y (en) | Microscope LED illuminating system with cold light source | |
| CN201106776Y (en) | LED sunlight lamp | |
| CN201335285Y (en) | Combined LED illuminating device with high luminous efficiency and low brightness | |
| CN201326914Y (en) | LED (light-emitting diode) fluorescent lamp | |
| CN201196345Y (en) | LED spot light suitable for AC commercial power | |
| CN102588797A (en) | Bidirectional LED | |
| CN202442168U (en) | Bidirectional LED (Light-Emitting Diode) lamp bead | |
| CN2926777Y (en) | LED streetlamp | |
| CN203628458U (en) | LED down lamp transformed from transverse insertion type down lamp | |
| CN201016444Y (en) | LED lighting lamp bubble | |
| CN201289021Y (en) | LED lighting fixture | |
| CN201218455Y (en) | LED illumination lamp for locomotive | |
| CN201475710U (en) | Energy-saving LED bulb | |
| CN2802263Y (en) | High brightness LED crsytal palace lantern | |
| CN201615370U (en) | LED fluorescent light | |
| CN201232873Y (en) | LED fluorescent lamp | |
| CN201149207Y (en) | LED energy-saving lighting lamp | |
| CN2739914Y (en) | Superhigh brightness LED booster driving device | |
| CN201047558Y (en) | Electronic energy-saving lamp | |
| CN201326967Y (en) | Interactive cycle generating reading lamp | |
| CN201032076Y (en) | LED energy-saving lamp bulb | |
| CN201973649U (en) | Novel energy saving high power colorful LED (light emitting diode) track lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Jiegao Opto-Electronic Science & Technology Co., Ltd. Assignor: Guo Wei Contract record no.: 2010990000409 Denomination of utility model: Module combination type low voltage LED heliolamp Granted publication date: 20070725 License type: Exclusive License Record date: 20100623 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 Termination date: 20140227 |