CN103987174A - Build-in efficient dimmable LED lamp tube - Google Patents
Build-in efficient dimmable LED lamp tube Download PDFInfo
- Publication number
- CN103987174A CN103987174A CN201410215904.6A CN201410215904A CN103987174A CN 103987174 A CN103987174 A CN 103987174A CN 201410215904 A CN201410215904 A CN 201410215904A CN 103987174 A CN103987174 A CN 103987174A
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- Prior art keywords
- led
- circuit
- fluorescent tube
- lamp tube
- efficient
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- 238000005286 illumination Methods 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 3
- 239000004411 aluminium Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000002310 reflectometry Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a build-in efficient dimmable LED lamp tube. According to the build-in efficient dimmable LED lamp tube, a single-stage flyback circuit is adopted by a main topology, so that high-efficiency and high-power factor correction is achieved; a multifunctional control circuit receives the signals such as a 0-10VDC linear dimming signal, a PWM dimming signal, a human body sensing dimming signal and a constant-illumination dimming signal and converts the signals into PWM signals, and the PWM signals are sent into the a main topology control circuit, so that the dimming function is achieved; meanwhile, reflective sheeting with high reflectance is attached to an LED aluminum substrate, in this way, scattered light of an LED can be led out, and the reflectance can be increased by about 10%; due to the fact that an LED driver is arranged inside the lamp tube, both installation and use are convenient. By the adoption of the circuit and the reflective sheeting with the high reflectance, the green lighting function of the LED can be achieved in the true sense.
Description
Technical field
The present invention relates to a kind of built-in high-effect Dimmable LED fluorescent tube, not only can realize high-effect luminously, and can realize function needs such as accepting 0-10VDC linearity light adjusting, PWM light modulation, human body sensing light modulation, permanent illumination light modulation.
Background technology
At present, LED Lighting Industry develops rapidly.LED illumination need to be equipped with driver, and common drive operation, in fixing constant current mode, cannot realize the control to LED brightness, without dimming function.In order to realize the control to LED lighting tube brightness, meet better the requirements such as comfort; Simultaneously further energy savings, the power consumption that reduces, in the useful life of prolongation LED, need to increase brilliance control function; If therefore every LED fluorescent tube can be realized built-in independent light modulation, and fluorescent tube all can realize High Efficiency Luminescence, will bring greatest convenience to user so.Conventionally need to meet the functions such as 0-10VDC linearity light adjusting, PWM light modulation, human body sensing light modulation and permanent illumination light modulation for LED fluorescent tube series products.
Summary of the invention
Can only realize in order to overcome conventional LED fluorescent tube the function of directly lighting, cannot realize brightness adjustment control and high-effect luminous deficiency, a kind of built-in high-effect LED fluorescent tube of the present invention, can realize the circuit function that driver is built-in, high-effect, collect multiple light-modulating mode LED fluorescent tube, complete flicker free when light modulation, makes up the shortcoming of conventional LED fluorescent tube completely; Owing to having adopted multiple dimming function, therefore the power saving rate of LED fluorescent tube is improved again to 30% on the original basis, greatly improve so again the useful life of LED fluorescent tube, this one.We know, the luminous major part of LED is direct light, but still have part scattered light, if this part scattered light is collected to utilization, the luminous efficiency of LED will be improved so undoubtedly, the second part of the present invention is exactly to utilize dexterously high reflective sheeting technology, again improves light efficiency, and real realization is convenient, comfortable, energy-efficient, the object of green illumination.
The technical scheme that the technology of the present invention problem adopts is: main topology adopts single-stage reverse excitation circuit, realizes efficient, high power factor correction; It is pwm signal that multifunctional control circuit receives and change the signals such as 0-10VDC linearity light adjusting, PWM light modulation, human body sensing light modulation, permanent illumination light modulation, and this pwm signal is delivered in main topological control circuit, realizes the function of above-mentioned tunable optical; On LED aluminium base, stick the reflective sheeting of high reflectance, the scattered light of LED can be derived so again, increase reflectivity approximately 10% simultaneously; By built-in LED driver and fluorescent tube inside, be convenient to like this installation and use.Adopt circuit of the present invention and high reflecting paper method, the LED that can really practise illumination green illumination function.
The invention has the beneficial effects as follows, circuit structure is simple, efficient, highly reliable, low cost, long-life; Light modulation is highly sensitive, reliable and stable, flicker free; Adopt reflective sheeting structure to increase total light flux, further reduce power consumption, improve whole light effect.Adopt technical solution of the present invention, can reduce costs, improve light efficiency, life-saving, easy to use, greatly meet market required, having wide market should have living space.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is schematic block circuit diagram of the present invention.
Fig. 2 is that LED lamp plate does not paste reflective sheeting design sketch;
Fig. 3 is that LED lamp plate has pasted high reflectance reflective sheeting design sketch
Embodiment
The present invention is further illustrated by reference to the accompanying drawings now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present invention in a schematic way, and therefore it only shows the formation relevant with the present invention.
Fig. 1 is schematic block circuit diagram of the present invention.
In Fig. 1, the 1st, input circuit EMI filter circuit, major function is to eliminate the interference to 3 circuit working states from electrical network, suppresses 3 pairs of pollutions that electrical network is possible simultaneously; The 2nd, input circuit rectification, filter circuit, become DC direct voltage by electrical network AC ac voltage rectifier, for late-class circuit work provides the voltage of " cleaning "; The 3rd, single-stage, reverse excitation circuit, be one of core circuit of the present invention, and 3 circuit not only can complete the correction of power factor (PF), realizes high PF value, low harmonic wave; And realize isolation, inverse-excitation type direct current (DC-DC) conversion, provide the output loading energy, simultaneously for 4,5 circuit provide direct voltage; 5 circuit are Multifunctional light-regulating control circuit, it is core circuit another part of the present invention, can, by outside human-induced signal, photosensitive permanent illumination control signal, PWM dimming control signal, 0-10VDC linear voltage, infrared remote-controlled signal etc., realize corresponding brilliance control function.
Fig. 2 is that lamp plate does not paste reflective sheeting design sketch, and visible LED aluminium base is placed in the middle of aluminium section bar, if additional PC cover, fluorescent tube only sends direct light that LED sends out so; And being LED lamp plate, Fig. 3 pastes high reflectance reflective sheeting design sketch.As seen from Figure 3, LED is light emitted not only the direct light shown in Fig. 2, and LED can be sent out to part scattered light and be collected, and has improved the total luminous efficiency of LED.
According to LED driver and the fluorescent tube of the design of Fig. 1 theory diagram, not only realize efficient, high PF value, highly reliable, and realized relevant dimming control function; The reflective sheeting that sticks high reflection on LED aluminium base, has promoted approximately 10% by total light efficiency again simultaneously.
Taking above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this invention technological thought, carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (2)
1. a built-in high-effect Dimmable LED fluorescent tube, the technical scheme that the technology of the present invention problem adopts is: main topology adopts single-stage reverse excitation circuit, realizes efficient, high power factor correction; It is pwm signal that multifunctional control circuit receives and change the signals such as 0-10VDC linearity light adjusting, PWM light modulation, human body sensing light modulation, permanent illumination light modulation, and this pwm signal is delivered in main topological control circuit, realizes the function of above-mentioned tunable optical; On LED aluminium base, stick the reflective sheeting of high reflectance, the scattered light of LED can be derived so again, increase reflectivity approximately 10% simultaneously; By built-in LED driver and fluorescent tube inside, be convenient to like this installation and use.Adopt circuit of the present invention and high reflecting paper method, the LED that can really practise illumination green illumination function.
2. according to claim 1, for LED fluorescent tube, adopting this kind of circuit compound mode and the method that adopts this kind to paste high reflection reflective sheeting on aluminium base is all claims of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215904.6A CN103987174A (en) | 2014-05-21 | 2014-05-21 | Build-in efficient dimmable LED lamp tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215904.6A CN103987174A (en) | 2014-05-21 | 2014-05-21 | Build-in efficient dimmable LED lamp tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103987174A true CN103987174A (en) | 2014-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410215904.6A Pending CN103987174A (en) | 2014-05-21 | 2014-05-21 | Build-in efficient dimmable LED lamp tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103987174A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105491758A (en) * | 2015-12-11 | 2016-04-13 | 中山市尊宝实业有限公司 | A new energy efficiency standard energy-saving circuit with high power factor and ultra-low standby power consumption |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202065742U (en) * | 2011-05-23 | 2011-12-07 | 奉化市金源电子有限公司 | LED (light-emitting diode) bulb with reflective device |
| WO2012020830A1 (en) * | 2010-08-11 | 2012-02-16 | 岩崎電気株式会社 | Lamp and optical component |
| CN103032749A (en) * | 2013-01-17 | 2013-04-10 | 上海惠楷节能科技（集团）有限公司 | LED (Light Emitting Diode) lamp with light transmission cover and method for increasing light transmission rate of LED lamp |
| CN203193980U (en) * | 2013-04-11 | 2013-09-11 | 上海惠楷节能科技（集团）有限公司 | Drive circuit for multi-channel dimmable LED (light-emitting diode) lamp tube |
-
2014
- 2014-05-21 CN CN201410215904.6A patent/CN103987174A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012020830A1 (en) * | 2010-08-11 | 2012-02-16 | 岩崎電気株式会社 | Lamp and optical component |
| CN202065742U (en) * | 2011-05-23 | 2011-12-07 | 奉化市金源电子有限公司 | LED (light-emitting diode) bulb with reflective device |
| CN103032749A (en) * | 2013-01-17 | 2013-04-10 | 上海惠楷节能科技（集团）有限公司 | LED (Light Emitting Diode) lamp with light transmission cover and method for increasing light transmission rate of LED lamp |
| CN203193980U (en) * | 2013-04-11 | 2013-09-11 | 上海惠楷节能科技（集团）有限公司 | Drive circuit for multi-channel dimmable LED (light-emitting diode) lamp tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105491758A (en) * | 2015-12-11 | 2016-04-13 | 中山市尊宝实业有限公司 | A new energy efficiency standard energy-saving circuit with high power factor and ultra-low standby power consumption |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140813 |