WO2015131383A1 - Lampadaire/liseuse universel à diodes électroluminescentes - Google Patents

Lampadaire/liseuse universel à diodes électroluminescentes Download PDF

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Publication number
WO2015131383A1
WO2015131383A1 PCT/CN2014/073017 CN2014073017W WO2015131383A1 WO 2015131383 A1 WO2015131383 A1 WO 2015131383A1 CN 2014073017 W CN2014073017 W CN 2014073017W WO 2015131383 A1 WO2015131383 A1 WO 2015131383A1
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WO
WIPO (PCT)
Prior art keywords
led
lamp
sub
circuit
control switch
Prior art date
Application number
PCT/CN2014/073017
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English (en)
Chinese (zh)
Inventor
赵文兴
Original Assignee
东莞高仪电子科技有限公司
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 东莞高仪电子科技有限公司 filed Critical 东莞高仪电子科技有限公司
Priority to PCT/CN2014/073017 priority Critical patent/WO2015131383A1/fr
Publication of WO2015131383A1 publication Critical patent/WO2015131383A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]

Definitions

  • the invention relates to the field of lighting fixtures, in particular to a universal LED sub-lamp.
  • LED dimming has different ways and different circuit combinations, such as different voltages, different currents, dimming signal instability three disadvantages, resulting in high cost, mutual mismatch and serious flicker, increase costs.
  • the present invention is directed to the absence of the prior art, and its main object is to provide a universal LED sub-lamp whose circuit can provide a non-stroboscopic, stable driving current.
  • a universal LED sub-lamp includes a sub-LED lamp, a mother LED lamp and a controller for adjusting the luminous flux of the LED lamp, the controller has a built-in PWM dimming module, and the circuit of the PWM dimming module includes a driving mother a first LED driving circuit of the LED lamp, a second LED driving circuit for driving the sub LED lamp, a programmable microcontroller connected to the first and second LED driving circuits, and a dual control switch connected to the programmable microcontroller a circuit, the first and second LED driving circuits are each composed of a high frequency circuit and a DC/DC
  • the PWM current amplifier is composed.
  • the controller is provided with a sub-LED lamp control switch and a female LED control switch, and the corresponding dual control switch circuit is respectively connected to the sub-mother lamp control switch, and the sub-male lamp control switch is internally provided with an indication LED lamp.
  • the sub-lamp control switch is a push-button miniature control switch or a touch-type thin capacitive touch point.
  • the programmable microcontroller is also connected to a low dropout voltage regulator.
  • the programmable microcontroller is a memory IC.
  • the LED lamp and the controller are detachably mounted on the lamp holder, and the bottom of the lamp holder is further provided with a separate detachable power adapter.
  • the lamp holder is composed of detachable upper and lower two-section brackets, and the upper bracket further comprises a headlight bracket and a small lamp bracket, the lower bracket and the power adapter, the lower bracket and the controller, the controller and the large A quick connector is arranged between the lamp bracket and the small lamp bracket, between the headlight bracket and the mother LED lamp, and between the small lamp bracket and the sub-LED lamp.
  • the power adapter has a built-in power module, and the circuit of the power module includes an electromagnetic interference filter, a bridge rectifier, an isolation transformer, a rectifier, a filter, a comparator and a voltage reference circuit, an optical coupler, and a power factor.
  • Pulse width modulation switching controller; the electromagnetic interference filter, the bridge rectifier, the isolation transformer, the rectifier, and the filter are sequentially connected, the comparator and the voltage reference circuit, the optical coupler, the power factor, and the pulse width modulation switching controller Connected between the filter and the isolation transformer in sequence to form a reverse circuit.
  • the sub-card LED lights have the same structure, and each comprises a heat sink, an ultra-thin high-conductivity silicon film, an LED light-emitting module, and an anti-glare PC lamp cover.
  • the heat sink, the silicon plate, the LED light-emitting module and the PC lamp cover are in turn Installed and secured by screws.
  • the heat sink comprises a planar dome plate and a plurality of heat dissipation fins integrally disposed on the bottom of the dome plate, and the adjacent heat dissipation fins are separated from each other;
  • the LED light emitting module comprises an LED aluminum substrate and a common pressure The matrix is arranged on the LED chip on the LED aluminum substrate. The front and back sides of the silicon wafer contact the LED aluminum substrate and the dome of the heat sink respectively, and the PC lamp cover and the dome plate have a gap.
  • the LED driving circuit is provided with a high frequency circuit and a DC/DC.
  • PWM current amplifier when programmable microcontroller generates dual output PWM signal to dual DC/DC
  • the PWM current amplifier drives the LED lighting module, and after the high-frequency low-voltage driving current is shaped, under the high-frequency operation, it can provide a stable driving current without outputting the strobe to the LED lighting module, because DC/DC
  • the PWM current amplifier solves the shortcomings of stroboscopic light, allowing for comfortable soft light and 0 to 100% dimming.
  • the circuit of the PWM dimming module has a programmable microcontroller
  • the programmable microcontroller is a memory IC that can record the luminous flux of the LED lamp during the last use, and the programmable microcontroller automatically Extract the last set of luminous flux, realize intelligent memory, no need to reset, easy to use.
  • the utility model can be quickly disassembled and assembled without any professional knowledge, and can be arbitrarily combined and replaced, so that different luminous powers can be replaced according to needs.
  • the occupied packaging space is reduced, which is convenient for packaging, transportation and handling.
  • the sub-LED lamp control switch and the female LED control switch can be a button type micro control switch, or a touch type thin capacitive touch point, and the control switch can also be compatible with the push button type and the touch type structure.
  • the implementation is diverse, selective, and highly combinable.
  • the PC lampshade is an anti-glare lampshade, in addition to the function of dustproof and moisture-proof, it also has an anti-glare function, which can diffuse light to achieve a single-point light-emitting efficiency.
  • the power adapter has a no-load low-maintenance power supply, high power factor, high-efficiency isolated drive power supply, universal AC full-voltage input range, comprehensive protection, and protection against fire, overload, over temperature, and short circuit.
  • the daughter LED lamp has wide voltage, high efficiency, power saving mode, miniaturization, easy replacement, fast heat dissipation, high brightness output, no stroboscopic, no glare, and the overall product is light and thin.
  • FIG. 1 is a perspective view showing the assembly of a mother lamp according to an embodiment of the present invention
  • Figure 2 is an exploded view of a sub-master lamp according to an embodiment of the present invention.
  • FIG 3 is an assembled structural view of an LED lamp according to an embodiment of the present invention.
  • Figure 4 is a cross-sectional view of Figure 3;
  • Figure 5 is an enlarged view of A in Figure 4.
  • Figure 6 is an exploded view of Figure 3;
  • Figure 7 is a perspective view showing the assembly of the controller of the embodiment of the present invention.
  • Figure 8 is an exploded view of Figure 7;
  • FIG. 9 is a perspective view showing the assembly of a power adapter according to an embodiment of the present invention.
  • Figure 10 is an exploded view of Figure 9;
  • Figure 11 is another structural view of a power adapter of an embodiment of the present invention.
  • Figure 12 is a circuit diagram of an embodiment of the present invention.
  • optical coupler 338 optical coupler 338, power factor and pulse width modulation switching controller
  • FIG. 1 to FIG. 12 shows a specific structure of a preferred embodiment of the present invention, including a lamp holder 10, an LED lamp 20, a power adapter 30 and a controller 40.
  • the power adapter 30 is an LED lamp. 20 provides a low voltage DC power source for controlling the luminous flux of the LED lamp 20.
  • the LED lamp 20 is in the form of a daughter lamp, that is, consisting of a large female LED lamp 201 and a small sub-LED lamp 202.
  • the lamp holder 10 is composed of detachable upper and lower two-stage brackets, and the upper bracket 11 further includes a headlight bracket 111 and a small lamp bracket 112.
  • the power adapter 30 is detachably connected to the bottom end of the lower bracket 12, the female LED lamp 201 is detachably connected to the top end of the headlight bracket 111, and the sub-LED lamp 202 is detachably connected to the top end of the small lamp bracket 112.
  • the controller 40 is detachably connected between the upper and lower brackets 11, 12, thereby enabling various components of the luminaire to be quickly disassembled and assembled, and after the components are removed, the occupied packaging space is reduced, which is convenient for packaging transportation and handling, and It is also convenient to replace the LED lamps 20 of different luminous powers according to needs, and correspondingly to the power adapter 30 that meets the power supply requirements.
  • the lower bracket 12 and the power adapter 30 have a quick connector 13 to make the two easy to plug and unplug. And between the lower bracket 12 and the controller 40, between the controller 40 and the headlight bracket 111 and the small lamp bracket 112, between the headlight bracket 111 and the mother LED lamp 201, the small lamp bracket 112 and the sub-LED lamp 202 There is a quick connector 13 between them so that the various components can be connected and electrically conductive.
  • the LED lamp 20 of the present embodiment includes a heat sink 21, an ultra-thin high thermal conductivity silicone sheet 22, an LED lighting module 23, and an anti-glare PC lamp cover 24.
  • the heat sink 21, the silicone sheet 22, the LED lighting module 23, and the PC lamp cover 24 are sequentially mounted and fixed by screws 25.
  • the heat sink 21 includes a planar dome plate 211 and a plurality of heat dissipation fins 212 integrally disposed on the bottom of the dome plate 211.
  • the adjacent heat dissipation fins 212 are separated from each other, which can effectively increase the heat dissipation area and enhance heat dissipation. effectiveness.
  • the LED light-emitting module 23 includes an LED aluminum substrate 231 and an LED chip 232 densely attached to the LED aluminum substrate 231.
  • the LED aluminum substrate 231 has the function of energizing and fixing the LED chip 232, and the front and back sides of the silicon wafer 22 are respectively contacted.
  • the LED aluminum substrate 231 and the dome plate 211 can quickly transfer heat of the LED chip 232.
  • the anti-glare optical PC lamp cover 24 and the LED aluminum substrate 231 have a difference of 0.3 mm in the order of H, ensuring good contact between the LED aluminum substrate 231 and the silica gel sheet 22.
  • the 0.3MM step difference H is the value of the specific structure of the embodiment. According to the LED lamps of different sizes, the value of the step difference can be changed according to the actual situation.
  • the PC lamp cover 24 is disposed outside the LED lighting module 23.
  • the PC lamp cover 24 has the functions of dustproof and moisture proof, and has an anti-glare function, which can diffuse light to achieve a single-point light-emitting efficiency.
  • the controller 40 includes a housing 41 , a control switch 42 , and a PWM dimming module 43 disposed in the housing 41 .
  • the outer casing 41 is surrounded by a first assembled housing 411 and a second housing 412.
  • the PWM dimming module 43 is mounted in the inner cavity of the outer casing 41.
  • the control switch 42 is disposed on the outer casing 41. In this embodiment, there are two corresponding control switches 42 corresponding to the two LED lamps 201 and 202, that is, the sub LED control switch 421 and the female LED control switch 422. Each control switch 42 correspondingly controls one LED light.
  • the control switch 42 can be a push-button miniature control switch or a touch-type thin capacitive touch point, and the control switch 42 can also be compatible with both push-button and touch-type configurations.
  • the control switch 421 or 422 is pressed or touched, the sub LED lamp 202 or the mother LED lamp 201 is turned on.
  • the power adapter 30 is an external independent power supply, and includes a housing 31, a mains plug 32 disposed on the housing 31, and a power module 33 mounted in the housing 31.
  • the outer casing 31 is composed of third and fourth casings 311, 312 that are engaged with each other, and the power module 33 is built in the inner cavity formed by the third and fourth casings 311, 312.
  • the quick connector 13 is disposed at the top of the outer casing 31.
  • the mains plug 32 may be designed to protrude from the side of the outer casing 31, as shown in FIG. 11, or may be designed to extend from the bottom of the outer casing 31. Out to suit a variety of outlets.
  • the outer casing 31 of the power adapter 30 can be formed into a rectangular parallelepiped structure or a rectangular parallelepiped structure as needed, and the specific shape is not limited.
  • the circuit of the PWM dimming module 43 in the controller 40 and the circuit of the power module 33 in the power adapter 30 are shown.
  • the power module 33 circuit is an independent isolated AC-to-DC power supply circuit, and provides an ultra-low voltage (less than 48V) DC output power supply circuit of the daughter and the double LED lamp.
  • the circuit of the power module 33 includes an electromagnetic interference filter 331, a bridge rectifier 332, an isolation transformer 333, a rectifier 334, a filter 335, a comparator and voltage reference circuit 336, an optical coupler 337, power factor and pulse width modulation. Switch controller 338.
  • the electromagnetic interference filter 331, the bridge rectifier 332, the isolation transformer 333, the rectifier 334, and the filter 335 are sequentially connected.
  • the comparator and voltage reference circuit 336, the optical coupler 337, the power factor and the pulse width modulation switching controller 338 are sequentially connected.
  • the mains power supply is connected to the 220V voltage by the mains plug 32, and the interference signal is filtered by the electromagnetic interference filter 331 in turn, rectified by the bridge rectifier 332, and input to the primary side of the isolation transformer 333; the secondary side of the isolation transformer 333 outputs the low voltage.
  • the electricity is rectified by a rectifier 334 and filtered by a filter 335 to output a direct current.
  • the comparator and voltage reference circuit 336 and the optical coupler 337 feed back the current after the isolation transformer and the AC to DC, and are adjusted by the power factor and the pulse width modulation switching controller 338 to obtain a constant direct current.
  • the circuit of the power module 33 composed of the above modules has the following characteristics: 1. No-load low-maintenance power supply, 2. High-power factor, high-efficiency isolated driving power supply; 3. Compliance with universal AC full-voltage input range (85-264V) 50/60HZ); 4, comprehensive protection, with fire, overload, over temperature, short circuit protection.
  • the circuit of the PWM dimming module 43 includes a first LED driving circuit 431 for driving the female LED lamp 201, a second LED driving circuit 432 for driving the sub LED lamp 202, a low dropout voltage regulator 433, and a control switch circuit. 434. Programmable Microcontroller 435.
  • the first and second LED driving circuits 431, 432 are identical and each include a high frequency circuit 436 and a DC/DC. PWM current amplifier 437.
  • the first LED driving circuit 431 is connected to the female LED lamp 201
  • the second LED driving circuit 432 is connected to the LED lamp 202
  • the DC/DC is
  • the PWM current amplifier 437 is connected to the programmable microcontroller 435
  • the DC power output from the filter 335 is connected to the programmable microcontroller 435 via the low dropout voltage regulator 433, and the control switch circuit 434 is also connected to the programmable microcontroller 435.
  • the programmable microcontroller 435 is a memory IC that can record the luminous flux of the LED lamp 20 during the last use. At the next use, the programmable microcontroller 435 automatically extracts the last set luminous flux to realize intelligent memory without re-writing. Settings, easy to use.
  • the programmable microcontroller 435 generates dual output PWM signals for dual DC/DC
  • the PWM current amplifier 437 pushes the LED lighting module 23, and after the high-frequency low-voltage driving current of the high-frequency circuit 436 is shaped, the high-frequency operation can provide smooth power output to the LED lighting module 23 without stroboscopic output.
  • the PWM current amplifier 437 solves the shortcomings of stroboscopic light, allowing for comfortable soft light and 0 to 100% dimming.
  • two indicator LED lamps 438 are disposed between the low dropout voltage regulator 433 and the programmable microcontroller 435.
  • the two indicator LED lamps 438 correspond to the sub LED lamp control switch 421 and the female LED control, respectively.
  • the switch 422 there is a night indication function.
  • the two indicator LEDs 438 can again generate a flash (three flashes) when dimming to the highest or lowest brightness to facilitate control to the brightest or darkest brightness.
  • the sub-LED LEDs 202, 201 can be replaced with 6W/12W/24W/36W, which can replace the original high-energy tungsten filament bulb 50W/150W/300W/500W. , effective energy saving.
  • the LED chips 232 of the mother-child LED lamps 202 and 201 are arranged in a matrix of common pressure, and the common-pressure design has the advantages of high versatility and various combinations.
  • the illumination of the female LED lamp 201 may face upward, and the illumination of the sub-LED lamp 202 faces downward, so the embodiment bends the small lamp bracket 112 into an arc or The right angle structure causes the sub-LED lamp 202 to illuminate downward.
  • the utility model can be quickly disassembled and assembled without any professional knowledge, and can be arbitrarily combined and replaced, which is convenient for the needs.
  • the LED lamps 20 of different luminous powers are replaced, and the power adapters 30 corresponding to the power supply requirements are matched.
  • the occupied packaging space is reduced, which is convenient for packaging, transportation and handling.
  • DC/DC is designed due to the driving circuit of the mother lamp
  • the PWM current amplifier 437 can provide smooth power output without strobe to the LED lighting module 23 under high frequency operation, due to DC/DC
  • the PWM current amplifier 437 solves the shortcomings of stroboscopic light, allowing for comfortable soft light and 0 to 100% dimming.
  • the programmable microcontroller 435 is a memory IC that can record the luminous flux of the LED lamp 20 during the last use, and is programmable at the next use.
  • the microcontroller 435 automatically extracts the last set of luminous flux to realize intelligent memory, without re-setting, and is convenient to use.
  • the sub-LED lamp control switch 421 and the mother LED control switch 422 may be a button-type micro-control switch 42 or a touch-type thin capacitive touch point, and the control switch 42 may also be compatible with the push-button type and the touch type.
  • the two structures are implemented in a variety of ways, with many options and high combinations.
  • PC lamp cover 24 is an anti-glare lamp cover, in addition to the function of dustproof and moisture proof, it also has an anti-glare function and can diffuse light to achieve a single-point light-emitting efficiency.
  • the power adapter 30 has a no-load low-maintenance power supply, high power factor, high-efficiency isolated drive power supply, conforms to the universal AC full-voltage input range, comprehensive protection, and is equipped with fireproof, overload, over-temperature, and short-circuit protection.
  • the mother and child LED lamps 202, 201 have wide voltage, high efficiency, power saving mode, miniaturization, easy replacement, fast heat dissipation, high brightness output, no stroboscopic, no glare, and light overall product. Small and thin.

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Cette invention concerne un lampadaire/liseuse universel à DEL, comprenant une lampe à DEL formant liseuse (202) et une lampe à DEL formant lampadaire (201) et un dispositif de commande pour ajuster le flux lumineux des lampes à DEL, un module de gradation à MIL (43) étant intégré dans le dispositif de commande. Un circuit du module de gradation à MIL comprend un premier circuit d'attaque de DEL (431) utilisé pour exciter la lampe à LED formant lampadaire, un second circuit d'attaque de DEL (432) utilisé pour commander la lampe à LED formant liseuse, un microcontrôleur programmable (435) connecté aux premier et second circuits d'attaque de DEL, et un circuit à double commutateur de commande (434) connecté au micro-contrôleur programmable. Chacun des premier et second circuits d'attaque de DEL est formé d'un circuit à haute fréquence (436) et d'un amplificateur de courant de PWM (437). Pendant un fonctionnement à haute fréquence, une puissance électrique stable peut être délivré à la lampe à DEL à éviter des flashs fréquente, et en raison du fait que l'amplificateur de modulation d'impulsions en largeur CC/CC (437) surmonte l'inconvénient de scintillements fréquents, de manière à fournir une lumière douce et confortable, et une fonction de modulation de la lumière allant de 0 à 100 %.
PCT/CN2014/073017 2014-03-07 2014-03-07 Lampadaire/liseuse universel à diodes électroluminescentes WO2015131383A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2014/073017 WO2015131383A1 (fr) 2014-03-07 2014-03-07 Lampadaire/liseuse universel à diodes électroluminescentes

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PCT/CN2014/073017 WO2015131383A1 (fr) 2014-03-07 2014-03-07 Lampadaire/liseuse universel à diodes électroluminescentes

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106249631A (zh) * 2016-09-19 2016-12-21 南京物联传感技术有限公司 一种基于单火线开关的双控开关
CN107148137A (zh) * 2017-06-30 2017-09-08 苏州见真物联科技有限公司 一种灯控装置
CN108882435A (zh) * 2018-04-11 2018-11-23 广东基地灯饰有限公司 一种可实现无频闪连续调光的电路
CN110572895A (zh) * 2018-06-05 2019-12-13 松下知识产权经营株式会社 子母照明装置、子母照明装置的控制方法及智能照明系统

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CN103256509A (zh) * 2013-05-22 2013-08-21 北京铨富光电科技有限公司 一种无外置调光器的分段式led可调光灯及其调光方法
CN203775470U (zh) * 2014-02-27 2014-08-13 东莞高仪电子科技有限公司 万用led子母灯

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JP2010205530A (ja) * 2009-03-03 2010-09-16 Harison Toshiba Lighting Corp 多色光源照明システムおよびバックライト装置
JP2010251115A (ja) * 2009-04-15 2010-11-04 Sharp Corp 照明装置
CN101886757A (zh) * 2009-05-12 2010-11-17 东芝照明技术株式会社 照明装置
CN201636577U (zh) * 2010-01-07 2010-11-17 育德科技有限公司 具高散热效率的照明装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106249631A (zh) * 2016-09-19 2016-12-21 南京物联传感技术有限公司 一种基于单火线开关的双控开关
CN107148137A (zh) * 2017-06-30 2017-09-08 苏州见真物联科技有限公司 一种灯控装置
CN108882435A (zh) * 2018-04-11 2018-11-23 广东基地灯饰有限公司 一种可实现无频闪连续调光的电路
CN108882435B (zh) * 2018-04-11 2020-10-30 广东基地灯饰有限公司 一种可实现无频闪连续调光的电路
CN110572895A (zh) * 2018-06-05 2019-12-13 松下知识产权经营株式会社 子母照明装置、子母照明装置的控制方法及智能照明系统
CN110572895B (zh) * 2018-06-05 2022-12-23 松下知识产权经营株式会社 子母照明装置、子母照明装置的控制方法及智能照明系统

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