CN201517702U - LED energy-saving fluorescent tube - Google Patents
LED energy-saving fluorescent tube Download PDFInfo
- Publication number
- CN201517702U CN201517702U CN2009201678045U CN200920167804U CN201517702U CN 201517702 U CN201517702 U CN 201517702U CN 2009201678045 U CN2009201678045 U CN 2009201678045U CN 200920167804 U CN200920167804 U CN 200920167804U CN 201517702 U CN201517702 U CN 201517702U
- Authority
- CN
- China
- Prior art keywords
- current
- led
- fluorescent tube
- circuit
- output
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses an LED energy-saving fluorescent tube for lighting, wherein two circuit boards are arranged in a fluorescent tube consisting of a transparent 1/2 PC pipe and a 1/2 aluminum pipe, an elongated display array formed by a plurality of LEDs is arranged on either of the circuit board, the LEDs in the elongated display array are connected with a current-limiting resistance after being connected, and the other circuit board is connected with a domestic power supply. Alternating current AC-N returns to AC-L through a soft start resistance, an EMI filtration circuit, a rectification circuit and a safety fuse, thereby forming a loop, and finishing the (EMI) filtration and rectification of alternating current, and outputting direct current, the input end of the switch adjusting module is connected with the direct current output by the rectification circuit, and constant direct current whose output electric current value is influenced by a sampling resistance is used by an LED load. The LED energy-saving fluorescent tube solves the problems of serious heating of a power supply for an LED fluorescent lamp. An LED lamp is connected with the current-limiting resistance in series, the service span of the LED fluorescent lamp is effectively guaranteed, and potential safe hazards are eliminated.
Description
Technical field
The utility model relates to a kind of LED fluorescent tube, especially refers to a kind of LED energy-saving fluorescent lamp tube that is applicable to illumination.
Background technology
At present, the light fixture of being made by LED (light emitting diode) has been widely used in every field owing to have that power consumption is economized, advantages such as colour rendering is good, long service life.But because LED is that single lamp body is luminous, light-emitting area is little, so existing LED light fixture all is as decorative lamp usefulness, does not possess illuminating effect.And the existing common fluorescent lamp that uses as lighting field is big owing to power consumption, and service life is short, and unfavorable environmental protection does not have shortcomings such as colour developing, awaits further to improve.
Summary of the invention
The purpose of this utility model is to provide a kind of LED energy-saving fluorescent lamp tube, and its alternative existing common fluorescent lamp reaches illuminating effect, and power consumption is little, long service life.
In order to achieve the above object, the utility model is realized by following technical scheme.
A kind of LED energy-saving fluorescent lamp tube that is applicable to illumination.In the fluorescent tube of transparent 1/2PC pipe and 1/2 aluminum pipe composition, be provided with two circuit boards.Be provided with the strip array of display that is made of plurality of LEDs on a circuit board, the several LEDs in the strip array of display connect the back and are connected with current-limiting resistance; Another circuit board is the drive plate that is connected with civilian power supply.
Described a kind of LED fluorescent tube comprises filter circuit, rectification circuit, switch adjusting module etc. with drive plate.Filter circuit is by being connected with civilian power supply, and output is through the alternating current of filtering; The accept filter alternating current through filtering of circuit output of rectification circuit, output DC; The input of switch adjusting module receives the direct current of rectification circuit output, and output current value is the constant dc that influenced by sampling resistor.
Described a kind of LED fluorescent tube comprises a current sampling resistor with drive plate, the direct current for LED load use of described output filter circuit output, by using for the LED load behind the current sampling resistor, and the magnitude of current that current sampling resistor is got feeds back to switch adjusting module input pin to be detected, adjusts the power output of switch adjusting module.
Described current sampling resistor series connection inserts a photoelectrical coupler, to reflect that by photoelectrical coupler the voltage of the size of current of input LED load feeds back to the input pin to be detected of switch adjusting module, the voltage of photoelectrical coupler output inputs to the FB pin of CR6851 or CR6853.
The used resistance of the soft starting circuit of described power supply is the 10D-9NTC thermistor.
Operation principle of the present utility model is: after connecting power supply, alternating current AC-N gets back to AC-L through soft start resistance, EMI filter circuit, rectification circuit, fuse, forms the loop, finishes (EMI) filtering, the rectification of alternating current, output DC; Input by the switch adjusting module receives the direct current that rectification circuit is exported, and output current value is the constant dc that influenced by sampling resistor, uses for the LED load, has solved the serious problem of heating that the LED fluorescent tube exists with power supply; LED lamp string has current-limiting resistance, has effectively guaranteed the service life of LED fluorescent tube, and has eliminated potential safety hazard.
The beneficial effects of the utility model are:
1, adopts a plurality of LED luminous, had advantages such as high brightness, operating current be little.
2, adopted up-to-date semi-conductor electricity light source technology, power saving is up to more than 75%, meet on factory's station strict regulations to the colour developing coefficient, various raw material, former device and product intrinsic colour are manifested really and accurately, help controllable quality, minimizing makes mistakes, and is specially adapted to the occasion of color operation.
3, adopted the semi-conductor electricity light source of environmental type, soft, the spectroscopic pure of light, help alleviating workman's asthenopia and healthy, the cold light source of 6000-8000K (Kelvin) is given the visually refrigerant impression of people, add illumination difference design on work and the off-position, help to concentrate on, raise the efficiency.
4, this LED energy-saving fluorescent lamp tube is longer more than 10 times than the common fluorescent tube life-span, almost is non-maintaining, does not exist and will often change problems such as fluorescent tube, ballast, starter.Working voltage does not exist build-up of luminance difficulty, long start-up time and flashes even problem that brownout can not be lighted between AC85-265V.Can be widely used in office lighting, the various flow production line illuminations of factory or the like.
Description of drawings
Fig. 1 is a utility model drive plate schematic diagram
Fig. 2 is a utility model LED array of display schematic diagram
The specific embodiment
A kind of LED energy-saving fluorescent lamp tube comprises the fluorescent tube that transparent 1/2 PC pipe and 1/2 aluminum pipe are formed.In fluorescent tube, be provided with two circuit boards.Be provided with the strip array of display that is made of plurality of LEDs on a circuit board, the several LEDs in the strip array of display connect the back and are connected with current-limiting resistance; Another circuit board is the drive plate that is connected with civilian power supply.
As shown in Figure 1, described a kind of LED fluorescent tube comprises filter circuit 2, rectification circuit 3, switch adjusting module 4 etc. with drive plate.Filter circuit 2 is by being connected with civilian power supply, and output is through the alternating current of filtering; The accept filter alternating current through filtering of circuit 2 output of rectification circuit 3, output DC; The input of switch adjusting module 4 receives the direct current of rectification circuit 3 outputs, and output current value is the constant dc that influenced by sampling resistor 5.
Described a kind of LED fluorescent tube comprises a current sampling resistor 5 with drive plate, the direct current for LED load use of described output filter circuit 6 outputs, use for the LED load by current sampling resistor 5 backs, and the magnitude of current that current sampling resistor 5 is got feeds back to the pin of the input electric current to be detected of switch adjusting module 4, adjusts the power output of switch adjusting module 4.
Described current sampling resistor 5 series connection insert a photoelectrical coupler 7, to reflect the pin of the current feedback of the size of current of importing the LED load to the input electric current to be detected of switch adjusting module 4 by photoelectrical coupler 7, the electric current of photoelectrical coupler 7 outputs inputs to the FB pin of CR6851 or CR6853.
Operation principle of the present utility model is: after connecting power supply, alternating current AC-N gets back to AC-L through soft start resistance 1, EMI filter circuit 2, rectification circuit 3, fuse 8, forms the loop, finishes (EMI) filtering of alternating current, rectification, output DC; The input of switch adjusting module 4 receives the direct current of rectification circuit 3 outputs, and output current value is the constant dc that influenced by sampling resistor 5, uses for the LED load.
As shown in Figure 2, circuit board of the present utility model is provided with a plurality of array LEDs, and 276 LEDs 9 that provide are formed 3 strip array of display, and three every of strip array of display are distributed with the current-limiting resistance RES2 (10) of 92 LEDs 9 and 12 51 Ω 1206.23 LEDs, 9 connection backs wherein are connected with a current-limiting resistance RES2 (10), and the utility model embodiment provides 12 current-limiting resistance RES2 (10), and the present embodiment accompanying drawing adopts omissive representation.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (8)
1. LED energy-saving fluorescent lamp tube, it is characterized in that: be provided with two circuit boards in the fluorescent tube that transparent 1/2 PC pipe and 1/2 aluminum pipe are formed, be provided with the strip array of display that is made of plurality of LEDs on a circuit board, the several LEDs in the strip array of display connect the back and are connected with current-limiting resistance; Another circuit board is the drive plate that is connected with civilian power supply.
2. a kind of LED fluorescent tube according to claim 1, it is characterized in that: 3 strip array of display that the array of display that is provided with on the described circuit board is made up of 276 LEDs, article three, every of strip array of display is distributed with the current-limiting resistance of 92 LEDs and 12 51 Ω 1206, will be connected with a current-limiting resistance after the 23 LEDs connection wherein.
3. a kind of LED fluorescent tube according to claim 1 is characterized in that: drive plate comprises filter circuit, rectification circuit, switch adjusting module, and filter circuit is by being connected with civilian power supply, and output is through the alternating current of filtering; The accept filter alternating current through filtering of circuit output of rectification circuit, output DC; The input of switch adjusting module receives the direct current of rectification circuit output, and output current value is the constant dc that influenced by sampling resistor.
4. a kind of LED fluorescent tube according to claim 2, it is characterized in that: described drive plate comprises a current sampling resistor, the direct current for LED load use of described output filter circuit output, by using for the LED load behind the current sampling resistor, and the magnitude of current that current sampling resistor is got feeds back to the pin that the switch adjusting module is imported electric current to be detected, adjusts the power output of switch adjusting module.
5. a kind of LED fluorescent tube according to claim 2, it is characterized in that: the current sampling resistor of the described drive plate photoelectrical coupler that inserts in parallel, will reflect that by photoelectrical coupler the voltage of the size of current of input LED load feeds back to switch adjusting module input pin to be detected.
6. a kind of LED fluorescent tube according to claim 3 is characterized in that: the voltage of the photoelectrical coupler output of described drive plate inputs to the FB pin of CR6851 or CR6853.
7. a kind of according to claim 1 or 5 LED fluorescent tube is characterized in that: the filter circuit of described power supply is EMI filtering.
8. a kind of according to claim 1 or 5 LED fluorescent tube is characterized in that: the used resistance of the soft starting circuit of described power supply is 10D-9 NTC thermistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201678045U CN201517702U (en) | 2009-07-29 | 2009-07-29 | LED energy-saving fluorescent tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201678045U CN201517702U (en) | 2009-07-29 | 2009-07-29 | LED energy-saving fluorescent tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517702U true CN201517702U (en) | 2010-06-30 |
Family
ID=42498425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201678045U Expired - Fee Related CN201517702U (en) | 2009-07-29 | 2009-07-29 | LED energy-saving fluorescent tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201517702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072421A (en) * | 2010-08-18 | 2011-05-25 | 中山伟强科技有限公司 | LED lamp tube |
| CN108449840A (en) * | 2018-04-26 | 2018-08-24 | 深圳市立智达光电科技有限公司 | A kind of LED drive system |
-
2009
- 2009-07-29 CN CN2009201678045U patent/CN201517702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072421A (en) * | 2010-08-18 | 2011-05-25 | 中山伟强科技有限公司 | LED lamp tube |
| CN108449840A (en) * | 2018-04-26 | 2018-08-24 | 深圳市立智达光电科技有限公司 | A kind of LED drive system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201563268U (en) | Drive circuit for OLED lamp | |
| CN201318575Y (en) | LED annular light tube | |
| CN201517702U (en) | LED energy-saving fluorescent tube | |
| CN201954342U (en) | General LED lamp panel | |
| CN202713699U (en) | LED fluorescent tube drive circuit and LED fluorescent tube | |
| CN202663591U (en) | LED (light-emitting diode) resistance-capacitance type driver | |
| CN204693205U (en) | A kind of Multi-function lighting device | |
| CN201262375Y (en) | Energy-saving circuit apparatus of LED illumination device | |
| CN202813283U (en) | Equal-travel wiring structure of LED lamp tube/bar | |
| CN201129637Y (en) | LED high-efficiency energy-saving wide-angle lighting quartz lamp | |
| CN203010289U (en) | Energy-saving environment-friendly bulb light with light source and power source designed in an integrated mode | |
| CN2867785Y (en) | LED energy conservative fluorescent lamp | |
| CN201363582Y (en) | Column type LED illuminating lamp | |
| CN201053595Y (en) | LED energy-saving daylight lamp | |
| CN202001869U (en) | Energy-saving LED lamp tube | |
| CN205155842U (en) | Support luminous LED panel light of side of three -section switch mixing of colors temperature | |
| CN201203025Y (en) | LED ceiling lamp | |
| CN220023130U (en) | Alternating current direct-drive LED lamp string | |
| CN202629668U (en) | LED (Light Emitting Diode) spotlight | |
| CN201281251Y (en) | LED fluorescent lamp | |
| CN201318637Y (en) | LED plug-type lighting tube | |
| CN201032076Y (en) | LED energy-saving lamp bulb | |
| CN208189162U (en) | A kind of novel LED backlight illuminating advertisement lamp box | |
| CN201561306U (en) | Organic LED illuminating lamp | |
| CN202068610U (en) | Dimmable LED energy-saving environment-protection lighting fitting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 330096 Nanchang high tech Development Zone, Jingdong Road, No. 168, No. Co-patentee after: Beijing TruWin Optoelectronic Co., Ltd. Patentee after: Jiangxi Lianchuang Boya Lighting Co.,Ltd. Co-patentee after: China Academy of Building Research Address before: 330096 Nanchang high tech Development Zone, Jingdong Road, No. 168, No. Co-patentee before: Jiangxi Lianchuangboya Lighting Co., Ltd. Patentee before: Jiangxi Lianchuang Boya Lighting Co.,Ltd. Co-patentee before: China Academy of Building Research |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20170729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |