CN101056484A - Full combination efficiency LED lamp - Google Patents

Full combination efficiency LED lamp Download PDF

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CN101056484A
CN101056484A CNA2006100257105A CN200610025710A CN101056484A CN 101056484 A CN101056484 A CN 101056484A CN A2006100257105 A CNA2006100257105 A CN A2006100257105A CN 200610025710 A CN200610025710 A CN 200610025710A CN 101056484 A CN101056484 A CN 101056484A
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circuit
led
led lamp
led array
combination efficiency
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CN100508676C (en
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徐玉琦
徐文澜
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    • 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
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

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Abstract

A full combination efficiency LED light is connected by a super interference absorber and a protective driving module, in which the super interference absorber is used for absorbing super interference signal; protective driving module is used for rectifing, filtering, stabilizing and changing level of the alternating 220V voltage, including rectifing circuit, filter circuit, stabilizer circuit, LED array driver, LED array circuit and energy-saving controller. The invention can limit the electric network super interference in a small range or stop it and separate from the LED array by LED array driver so as to avoid LED premature decay by the effect of interference signal and prolong the LED light service life. Furthermore, the invention gives up the driver level transition made up of micro-electronics element and having decompression element so that the power loss of the LED light is decreased notably and the combination efficiency is improved. Meanwhile, the invention can also avoid the power loss by resistance decompression.

Description

Full combination efficiency LED lamp
Technical field
The present invention relates to a kind of microelectronics at electric lighting and lamp decoration, refer in particular to full combination efficiency LED lamp.
Background technology
The luminous efficiency η of electric light source is meant and consumes the luminous flux phi that the unit electrical power P is produced.That is:
η＝Φ/P (1)
The luminous efficiency of LED is meant the luminous flux that LED sends and the ratio of LED (not containing annex) consumed power itself.
The luminous efficiency of LED is far above conventional light source, is combined into illuminating lamp or Landscape Lamp will be one of following direction with LED.
Usually the LED lamp is made of the luminous efficiency η of LED lamp led array 1Equal the total light flux Φ that the LED lamp sends 1With the active power P of LED lamp from the electrical network absorption 1The ratio, that is:
η 1＝Φ 1/P 1 (2)
In the formula, η 1The luminous efficiency that is called the LED lamp is called LED lamp combined efficiency again.
The efficiency eta of led array 2Equal the luminous flux that each led array sends and the ratio of led array (not containing annex) absorbed power.
η 2 = Σ i = 1 n η i P i / Σ i = 1 n P i - - - ( 3 )
In the formula:
Figure A20061002571000042
Be the 1st, 2 ..., the long-pending sum of the luminous efficiency of n LED and its consumed power; It is each LED consumed power sum.If the combined efficiency η of LED lamp 197% greater than its led array efficient is called full combination efficiency LED lamp.The combined efficiency that is full combination efficiency LED lamp should be
η 1＞0.97η2 (4)
Formula (4) illustrates that in the full combination efficiency LED lamp, the power loss of its driving power should absorb 3% of gross power from electrical network less than it.
The technology of LED lamp mainly contains following several at present:
(1) transformer step-down → rectification → filtering → voltage stabilizing → power to led array.
(2) inductance step-down → rectification → filtering → voltage stabilizing → power to led array.
(3) capacitance decompression → rectification → filtering → voltage stabilizing → power to led array.
(4) resistance step-down → rectification → filtering → voltage stabilizing → power to led array.
In above several modes, voltage regulation way have with voltage stabilizing three ends, what have uses special-purpose voltage stabilizing circuit, what have uses single-chip microcomputer, have with voltage-stabiliser tube etc.
There is following problem in above prior art scheme:
(1) the decompression device power loss in the circuit is higher, almost all more than 10%.And then the combined efficiency of LED lamp is significantly descended.
(2) LED poor anti jamming capability, in the face of refracted wave, electrostatic induction thunderbolt ripple, high potential counterattack, surge, harmonic wave, the contour energy interference of broken neutral line of lightning surge, very easily partly or entirely LED damages.And can not effectively protect with the zinc oxide Surge Protector.
(3) LED lamp service conditions does not match, and will cause the operation of partial L ED deterioration and then shorten the life-span.
(4) with regard to prior art, when the LED lamp is carried out " power-saving running " control, often adopt resistance (potentiometer) step-down, often cause LED luminous efficiency η to descend or partial L ED early ageing.
In a word, although LED luminous efficiency height, life-span are long, the luminous efficiency of LED lamp is not necessarily high, the life-span fixed length that differs.
Summary of the invention
The object of the present invention is to provide a kind of full combination efficiency LED lamp, it prevents that effectively surge from causing damage, guaranteeing long-lifely, can realize the LED lamp of power-saving running under the situation that does not reduce combined efficiency.
A kind of full combination efficiency LED lamp provided by the present invention is characterized in that: it is formed by connecting by high energy interference absorber and protection driver module, and wherein: the high energy interference absorber is used to absorb the high energy interference signal; The protection driver module is used for alternating current 220V voltage commutation, filtering, voltage stabilizing and conversion level with the driving LED array.
In above-mentioned full combination efficiency LED lamp, the high energy interference absorber is to be connected to form by fuse and lightning-arrest pipe.
In above-mentioned full combination efficiency LED lamp, fuse can adopt runback fuse or non-runback fuse.
In above-mentioned full combination efficiency LED lamp, the protection driver module comprises rectification circuit, filter circuit, voltage stabilizing circuit, led array driver, led array circuit and the energy-saving run controller that links to each other successively, wherein:
By rectification circuit, filter circuit, voltage stabilizing circuit built-up circuit, being used for by 220V alternating voltage Direct Transform is the circuit of direct voltage to the led array power supply;
The led array driver is used for level conversion, voltage stabilization and current stabilization, isolation interference signal and makes LED avoid its evil;
The energy-saving run controller is as LED Lantern Festival electricity operation controller;
The led array circuit, be used for several LED lamps by predetermined scheme arrange formed array by the control luminous.
In above-mentioned full combination efficiency LED lamp, the energy-saving run controller comprises illumination requirement testing circuit, conversion control circuit, control switching circuit and the vibrating circuit that links to each other successively, and the whole LED that are connected with the described conversion control circuit control circuit that puts into operation, wherein:
Whether the illumination requirement testing circuit is used for the testing personnel at working face;
Conversion control circuit is used for according to described illumination requirement testing circuit still switching part conducting in turn of full conducting being adopted in the requirement control of illumination;
Vibrating circuit is used to produce oscillator signal;
Control switching circuit is used for putting into operation in proper order according to the FREQUENCY CONTROL led array of oscillating circuit; With
All the LED control circuit that puts into operation is used to control whole LED and puts into operation.
In above-mentioned full combination efficiency LED lamp, the illumination requirement testing circuit is by discrete component, that is: three resistance (R1, R2, R3), two transistors (T1, T2), a switch (K) and an Infrared Detectors (T K) form.
In above-mentioned full combination efficiency LED lamp, conversion control circuit adopts six phase inverter integrated circuit modules.
In above-mentioned full combination efficiency LED lamp, vibrating circuit is made up of an electric capacity (C), two resistance (R4, R5) and two six phase inverter integrated circuit modules.
In above-mentioned full combination efficiency LED lamp, control switching circuit is made up of integrated circuit (IC3) and several diodes.
Owing to adopted above-mentioned technical solution, when electric network super is disturbed, it can be limited in the less interference signal scope or with its blocking-up, and pass through the led array driver itself and led array are isolated, and then avoid LED impaired early ageing under the interference signal effect, guarantee the LED lamp long-life.In addition, the present invention avoids adopting decompression device, and with the driver switching levels that microelectronic component is formed, the power loss of LED lamp significantly descends, and combined efficiency significantly improves.Simultaneously, carry out the occasion of energy-saving run, also can avoid in the past in the scheme with resistance (potentiometer) power loss that step-down brought at needs.
Description of drawings
Fig. 1 is a circuit module schematic diagram of the present invention;
Fig. 2 is the circuit theory diagrams of the high energy interference absorber among the present invention;
Fig. 3 is the functional block diagram of protection driver module among the present invention;
Fig. 4 is the schematic diagram of the circuit connection be made up of led array driver and led array circuit among the present invention.
Fig. 5 is the schematic diagram of the energy-saving run controller among the present invention.
Embodiment
As shown in Figure 1, full combination efficiency LED lamp of the present invention adopts modular structure, is made up of high energy interference absorber 1 and protection driver module 2.
High energy interference absorber 1 is used to absorb the high energy interference signal.As shown in Figure 2, it mainly is made up of with lightning-arrest pipe 12 fuse 11 of routine, and fuse 11 can adopt runback fuse or non-runback fuse.
Referring to Fig. 2, when lightning surge refracted wave, electrostatic induction thunderbolt, high potential counterattack, surge, harmonic wave appear in electrical network, broken neutral line is contour can disturb the time, can be 8.5 * 10 -12S reacts in the time, protects LED to avoid impacting effectively.Because of this a part of rapid wear, form module separately so that change as required.
Protect driver module 2 to comprise rectification circuit 23 as shown in Figure 3, filter circuit 24, voltage stabilizing circuit 25, led array driver 26, energy-saving run controller 27, led array circuit 28.Wherein:
Filter circuit 24, available capacitor filtering, also available inductor filter;
Voltage stabilizing circuit 25, available voltage-stabiliser tube, also available lightning-arrest pipe.
Rectification circuit 23, filter circuit 24, voltage stabilizing circuit 25 all adopt conventional circuit.What be made up of rectification circuit 23, filter circuit 24, voltage stabilizing circuit 25 is direct voltage to the circuit of led array power supply by 220V alternating voltage Direct Transform.
The led array driver that led array driver 26 is made up of a plurality of IC (integrated circuit) chip, IC chip have level conversion, voltage stabilization and current stabilization, isolation interference signal makes LED avoid the function of its evil.
The schematic diagram of the circuit connection that Fig. 4 is made up of led array driver 26 and led array circuit 28.
Wherein: IC1 is that the employing model is the situation of CH40120 module, also can adopt integrated circuit modules CD4010, CD4050, CD140107 or voltage-stabiliser tube etc., and circuit roughly the same.
Energy-saving run controller 27 is LED Lantern Festival electricity operation controllers, and its function is: when the staff leaves working face and do not need floodlighting, change each led array automatically over to and take turns running status, its circuit connection as shown in Figure 5.
Referring to Fig. 5, energy-saving run controller 27 comprises illumination requirement testing circuit 271, conversion control circuit 272, control switching circuit 273, vibrating circuit 274 and whole LED control circuits 275 that puts into operation.Wherein:
Whether illumination requirement testing circuit 271 is used for the testing personnel at working face.It is by discrete component resistance R 1, R2, R3, transistor T 1, T2, K switch and Infrared Detectors T KForm.
Conversion control circuit 272 is used for adopting still switching part conducting in turn of full conducting according to the requirement control of 271 pairs of illumination of illumination requirement testing circuit.It can adopt (1/6) IC2 (six phase inverter integrated circuit modules).
Vibrating circuit 274 is used to produce oscillator signal.It is made up of capacitor C, resistance R 4, R5 and two (1/6) IC2.
Control switching circuit 273 is used for putting into operation in proper order according to the FREQUENCY CONTROL led array of oscillating circuit.It is made up of integrated circuit (IC) 3 and a plurality of diode.
All the LED control circuit 275 that puts into operation is used to control whole LED and puts into operation, and it is made up of several diodes.
These energy-saving run controller 27 operation principles are described as follows:
Usually the LED lamp is made up of the led array of a plurality of tape drives, with each array respectively with A0, A1, A2......A9 connects, it is as follows that it moves control procedure:
When the staff when working face needs high illumination, Infrared Detectors Tk is in high-impedance state (or use manual unlocking k) → T1 to be ended → 1. high potential → T2 conducting → 2. electronegative potential → (1/6) IC2 paraphase → 3. high potential
→ A0, A1......A9 are high potential → each led array and all put into operation, and
→ 4. electronegative potential → C0, C1 ... C9 is the output electronegative potential.
When the staff leaves working face, when not needing high illumination, Tk is in low resistive state (or manually k closure) chain reaction and is:
Electronegative potential → the T2 of T1 conducting → 1. is by the electronegative potential of → 2. high potential → (1/6) IC2 paraphase → 3.
→ B0, B1, B2 ... the equal electronegative potential of B9, can not drive A0 simultaneously, A1 ... each led array on the A9, and
The high potential of → (1/6) IC2 paraphase → 4. → under the oscillator effect that two (1/6) IC2 form, C0, C1 ... C9 exports high potential → A0 in turn, A1, and A2 ... led array that A9 connects takes turns to move.
In sum, the present invention, when electrical network generation lightning surge refracted wave, electrostatic induction thunderbolt, high potential counterattack surge, harmonic wave, broken neutral line is contour can disturb the time, by the high energy interference absorber it is limited in the less interference signal scope or with its blocking-up; To the above-mentioned confined or less interference signal of not giving reaction, itself and led array are isolated by the led array driver.And then avoid LED impaired early ageing under the interference signal effect, guarantee the LED lamp long-life.
Owing to do not adopt decompression device, with the driver switching levels that microelectronic component is formed, the power loss of LED lamp significantly descends, and combined efficiency significantly improves.Result of implementation shows that high-power LED lamp has only the sensation of low-grade fever under the situation of being continuously long-running, and illustrates that the power that is converted to heat energy dissipation is very little.Carry out the occasion of energy-saving run at needs, also can avoid in the past in the scheme with resistance (potentiometer) power loss that step-down brought.
Although the present invention explains with concrete syntax circuit structure feature function, should be understood that the present invention that appended claims limits must be limited to illustrated concrete feature or function.On the contrary, these concrete features and function are just disclosed as the exemplary embodiment of the present invention for required protection.

Claims (9)

1. full combination efficiency LED lamp is characterized in that: it is formed by connecting by high energy interference absorber and protection driver module, and wherein: the high energy interference absorber is used to absorb the high energy interference signal; The protection driver module is used for alternating current 220V voltage commutation, filtering, voltage stabilizing and conversion level with the driving LED array.
2. full combination efficiency LED lamp according to claim 1 is characterized in that: described high energy interference absorber is to be connected to form by fuse and lightning-arrest pipe.
3. full combination efficiency LED lamp according to claim 2 is characterized in that: described fuse can adopt runback fuse or non-runback fuse.
4. full combination efficiency LED lamp according to claim 1; it is characterized in that: described protection driver module comprises rectification circuit, filter circuit, voltage stabilizing circuit, led array driver, led array circuit and the energy-saving run controller that links to each other successively, wherein:
By rectification circuit, filter circuit, voltage stabilizing circuit built-up circuit, being used for by 220V alternating voltage Direct Transform is the circuit of direct voltage to the led array power supply;
The led array driver is used for level conversion, voltage stabilization and current stabilization, isolation interference signal and makes LED avoid its evil;
The energy-saving run controller is as LED Lantern Festival electricity operation controller;
The led array circuit, be used for several LED lamps by predetermined scheme arrange formed array by the control luminous.
5. full combination efficiency LED lamp according to claim 4, it is characterized in that: described energy-saving run controller comprises illumination requirement testing circuit, conversion control circuit, control switching circuit and the vibrating circuit that links to each other successively, and the whole LED that are connected with the described conversion control circuit control circuit that puts into operation, wherein:
Whether the illumination requirement testing circuit is used for the testing personnel at working face;
Conversion control circuit is used for according to described illumination requirement testing circuit still switching part conducting in turn of full conducting being adopted in the requirement control of illumination;
Vibrating circuit is used to produce oscillator signal;
Control switching circuit is used for putting into operation in proper order according to the FREQUENCY CONTROL led array of oscillating circuit; With
All the LED control circuit that puts into operation is used to control whole LED and puts into operation.
6. full combination efficiency LED lamp according to claim 5, it is characterized in that: described illumination requirement testing circuit is by discrete component, that is: three resistance (R1, R2, R3), two transistors (T1, T2), a switch (K) and an Infrared Detectors (T K) form.
7. full combination efficiency LED lamp according to claim 5 is characterized in that: described conversion control circuit adopts six phase inverter integrated circuit modules.
8. full combination efficiency LED lamp according to claim 5 is characterized in that: described vibrating circuit is made up of an electric capacity (C), two resistance (R4, R5) and two six phase inverter integrated circuit modules.
9. full combination efficiency LED lamp according to claim 5 is characterized in that: described control switching circuit is made up of integrated circuit (IC3) and several diodes.
CNB2006100257105A 2006-04-14 2006-04-14 Full combination efficiency LED lamp Expired - Fee Related CN100508676C (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103795025A (en) * 2014-01-23 2014-05-14 重庆四联光电科技有限公司 Anti-lightning overvoltage protecting circuit

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* Cited by examiner, † Cited by third party
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IT1292717B1 (en) * 1997-04-24 1999-02-11 Incerti & Simonini Di Incerti LOW VOLTAGE LIGHTING DEVICE.
US6762563B2 (en) * 1999-11-19 2004-07-13 Gelcore Llc Module for powering and monitoring light-emitting diodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103795025A (en) * 2014-01-23 2014-05-14 重庆四联光电科技有限公司 Anti-lightning overvoltage protecting circuit

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Assignee: SHANGHAI QINGYANG ELECTRIC TECHNOLOGY Co.,Ltd.

Assignor: Xu Yuqi

Contract record no.: 2010310000071

Denomination of invention: Full combination efficiency LED lamp

Granted publication date: 20090701

License type: Exclusive License

Open date: 20071017

Record date: 20100519

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