CN202565529U - Intelligent light-emitting diode (LED) driver and intelligent light-emitting diode (LED) lamp - Google Patents

Intelligent light-emitting diode (LED) driver and intelligent light-emitting diode (LED) lamp Download PDF

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Publication number
CN202565529U
CN202565529U CN2012201617768U CN201220161776U CN202565529U CN 202565529 U CN202565529 U CN 202565529U CN 2012201617768 U CN2012201617768 U CN 2012201617768U CN 201220161776 U CN201220161776 U CN 201220161776U CN 202565529 U CN202565529 U CN 202565529U
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CN
China
Prior art keywords
module
led
led driver
led light
light source
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Application number
CN2012201617768U
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Chinese (zh)
Inventor
王晓东
王米成
孙泉明
吴益辉
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杭州鸿雁电器有限公司
杭州鸿雁东贝光电科技有限公司
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Priority to CN2012201617768U priority Critical patent/CN202565529U/en
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Publication of CN202565529U publication Critical patent/CN202565529U/en

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    • Y02B20/48

Abstract

The utility model discloses an intelligent light-emitting diode (LED) driver which is mounted at the power supply input end of an LED light source in a modularized mode. The intelligent LED driver comprises a direct current (DC)/ direct current (DC) self-adaption power supply module, a power failure detection module, a microprocessor control unit, a wireless communication module and an LED driving module. The LED driver is utilized so that rewiring is not needed, and intelligent control and management of LED light fixtures can be achieved by means of simple installation. Cost is low, generality is strong, and degree of intelligentialization is high. Twice energy conservation of the LED light fixtures can be achieved by means of the dimming function of the LED driver, so that light pollution is reduced, service life of the light fixtures is prolonged, and reliability of the light fixtures is improved.

Description

A kind of intelligent LED driver and intelligent LED lamp

Technical field

The utility model relates to the intelligent LED driver on a kind of application and the LED lamp.

Background technology

The LED light fixture since its advantage such as efficient, energy-conservation, reliable approved by market gradually, be used widely in various fields.Maximum characteristics and the advantage of LED light fixture is Based Intelligent Control; Though the product of a lot of intelligent lighting controls is arranged in the market; But most of system all needs rewiring, can't not change fully under the situation of traditional wiring, realizes the Based Intelligent Control and the management of LED illumination.

The utility model content

The utility model is exactly in order to solve intelligent degree of existing LED light fixture and the low deficiency of cost performance; A kind of led driver of intelligence is provided; This driver can not only be realized LED light fixture Based Intelligent Control and management, and installs simply, meets traditional electrician's wiring standard fully.

For solving the problems of the technologies described above; The utility model adopts following technical scheme: a kind of intelligent LED driver is characterized in that: comprise DC/DC adaptive electro source module, detection of power loss module, wireless communication module, little processing and control element (PCE) and LED driver module;

Said DC/DC adaptive electro source module is used for converting the different magnitudes of voltage of the constant current constant voltage source output of LED light fixture into galvanic current, is detection of power loss module, wireless communication module, little processing and control element (PCE) and the power supply of LED driver module;

Said detection of power loss module is used to detect switching-on and switching-off state;

Said wireless communication module is electrically connected to CPU through the serial ports that is located on little processing and control element (PCE), and wireless communication module receives the exterior terminal instruction;

Said LED driver module is used to control brightness, colour temperature and the color of led light source;

Said little processing and control element (PCE) comprises CPU and PWM module; CPU is electrically connected with detection of power loss module and wireless communication module; CPU judges detection of power loss modular telecommunications number or receives the radio communication mold block signal and send instruction to the PWM module and generates the PWM ripple, is used to control the LED driver element.

Preferably, said detection of power loss module is electrically connected to CPU through A/D converter.

Preferably, said detection of power loss module comprises input voltage detection circuit and power down holding circuit, checks the on off state of external power source through voltage detecting circuit, but keeps the power supply of microprocessing unit in the power down holding circuit short time.CPU compares the voltage value signal and the threshold value that obtain; If be lower than threshold value explanation power-off; Before the energy-storage travelling wave tube of said power down holding circuit had discharged electric energy, power supply re-powered, and then CPU judges it is that a light modulation is operated and sent light modulation to the PWM module and instruct; CPU regulates output PWM ripple duty ratio, to change the brightness of led light source; Guarantee to realize dimming function under the continuous break-make situation of switch.

Preferably, said wireless communication module is the wireless communication chips of ability automatic network-building, automatic route, and said terminal is computer or smart mobile phone.

Preferably; Said LED driver module is single channel, two-way or three road metal-oxide-semiconductor drive circuits, controls through the continuous break-make of PWM ripple control metal-oxide-semiconductor, and the single channel metal-oxide-semiconductor can be realized the brightness regulation of led light source; The two-way metal-oxide-semiconductor can be controlled the brightness of the led light source of 2 groups of different-colours respectively; Realize the adjusting of colour temperature, three road metal-oxide-semiconductors can be controlled the brightness of the led light source of 3 groups of different colours respectively, realize the adjusting of color.(single channel, two-way, three road metal-oxide-semiconductor drive circuits need replenish and implement circuit diagram)

The invention also discloses a kind of intelligent LED lamp, comprise led light source, it is characterized in that: be provided with the aforementioned intelligent led driver between the power input of said led light source and led light source.

Preferably, said led light source is some groups of parallel connection, and every group of led light source all disposes one and be electrically connected by the LED driver module of DC/DC adaptive power supply module for power supply and with the PWM module.

The useful result of the utility model is: utilize said intelligent LED driver; Modular being installed between LED power supply and the light source need not rewiring, through simple installation; Just can realize the intellectuality control and the management of LED light fixture, cost is low, highly versatile, intelligent degree are high.And, through the dimming function of said intelligent LED driver, can not only realize LED light fixture secondary energy-saving, and suitable luminous environment can be set, reduce light pollution, the most important thing is through reducing load powered, to improve the life-span and the reliability of light fixture.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the application sketch map of the utility model intelligent LED driver.

Fig. 2 is the embodiment sketch map of the utility model intelligent LED driver.

Embodiment

The utility model intelligent LED driver applications as shown in Figure 1 is on the LED lamp; LED constant voltage/current isolator input is connected to the 220VAC power supply through switch among the figure; Its output is connected with the intelligent LED driver input end, and the intelligent LED output end of driver is connected with led light source.Can realize the segmentation circulation adjusting of LED lamp brightness through the said switch of continuous break-make; Or can realize the control and the management of terminal equipments such as smart mobile phone through system gateway.

As shown in Figure 2; Embodiment for the utility model intelligent LED driver; Said led driver is included as other unit provides the DC/DC adaptive electro source module of electric energy, realize that the detection of power loss module of mechanical switch control light modulation, the wireless communication module that receives the exterior terminal instruction, little processing and control element (PCE) connect the detection of power loss module, through the brightness of LED driver module control led light source.

Said DC/DC adaptive electro source module adopts the input voltage of wide region; Have overtemperature protection and current-limiting protection function; High efficiency single-chip switching step-down chip; As long as it is stable that the constant voltage/current isolator output voltage of LED light fixture in the input range of said DC/DC adaptive electro source module, just can guarantee to export, the DC power supply that the linearity is good.

Said detection of power loss module comprises input voltage detection circuit and power down holding circuit, checks the on off state of external power source through voltage detecting circuit, but keeps the power supply of microprocessing unit in the power down holding circuit short time.The holding circuit of power down described in the present embodiment is made up of energy-storage travelling wave tube, for said microprocessing unit provides and keeps electric energy, simultaneously by backward diode and the isolation of said input voltage detection circuit, prevents that electric current is counter to irritate behind the input power supply power-fail, influences detection of power loss.

Said wireless communication module adopts wireless communication chips, and this module software has defined the communication protocol of physical layer, link layer, network layer and application layer, supports automatic network-building, automatic routing function.After powering on, near the network said radio communication doorway can be searched automatically, and application networks automatically.Utilize system gateway can realize terminal equipment control and management LED light fixtures such as smart mobile phone, computer.

Said LED driver module is made up of the metal-oxide-semiconductor drive circuit.The single channel metal-oxide-semiconductor can be realized the brightness regulation of led light source; The two-way metal-oxide-semiconductor can be controlled the brightness of the led light source of 2 groups of different-colours respectively, realizes the adjusting of colour temperature; Three road metal-oxide-semiconductors can be controlled the brightness of the led light source of 3 groups of different colours respectively, realize the adjusting of color.The metal-oxide-semiconductor drive circuit that is used for LED is a routine techniques, is not described further at this.

Said little processing and control element (PCE) comprises CPU and PWM module; CPU is electrically connected with detection of power loss module and wireless communication module; CPU judges detection of power loss module voltage signal or receives the radio communication mold block signal and send instruction generation PWM ripple to the PWM module, is used to control the LED driver module.Signal and CPU preset threshold value after CPU changes A/D converter compare; If be lower than threshold value explanation power-off; Before the energy-storage travelling wave tube of said power down holding circuit had discharged electric energy, power supply re-powered, and then CPU judges it is that a light modulation is operated and sent light modulation to the PWM module and instruct; CPU regulates output PWM ripple duty ratio, to change the brightness of led light source; Guarantee to realize dimming function under the continuous break-make situation of switch; When said microprocessing unit receives the control command from serial ports, regulate output PWM ripple duty ratio, regulate the brightness of led light source.

For guaranteeing that the LED lamp power always works under the efficient state; When many groups led light source of control composition colour temperature, color is worked simultaneously; The multi-channel PWM ripple of said microprocessing unit output is taked the complementary mode of timesharing; All the time to have only one group of led light source be conducting to synchronization like this, electric current situation fluctuated can not occur.

Claims (7)

1. an intelligent LED driver is characterized in that: comprise DC/DC adaptive electro source module, detection of power loss module, wireless communication module, little processing and control element (PCE) and LED driver module;
Said DC/DC adaptive electro source module is used for converting the different magnitudes of voltage of the constant current constant voltage source output of LED light fixture into galvanic current, is detection of power loss module, wireless communication module, little processing and control element (PCE) and the power supply of LED driver module;
Said detection of power loss module is used to detect switching-on and switching-off state;
Said wireless communication module is electrically connected to CPU through the serial ports that is located on little processing and control element (PCE), and wireless communication module receives the exterior terminal instruction;
Said LED driver module is used to control brightness, colour temperature and the color of led light source;
Said little processing and control element (PCE) comprises CPU and PWM module; CPU is electrically connected with detection of power loss module and wireless communication module; CPU judges detection of power loss module voltage signal or receives the radio communication mold block signal and send instruction generation PWM ripple to the PWM module, is used to control the LED driver module.
2. intelligent LED driver according to claim 1 is characterized in that: said detection of power loss module is electrically connected to CPU through A/D converter.
3. intelligent LED driver according to claim 1; It is characterized in that: said detection of power loss module comprises input voltage detection circuit and power down holding circuit; Check the on off state of external power source through voltage detecting circuit, but keep the power supply of microprocessing unit in the power down holding circuit short time.
4. intelligent LED driver according to claim 1 is characterized in that: said wireless communication module is the wireless communication chips of ability automatic network-building, automatic route, and said terminal is computer or smart mobile phone.
5. according to any described intelligent LED driver in the claim 1 to 4, it is characterized in that:
Said LED driver module is single channel, two-way or three road metal-oxide-semiconductor drive circuits; Continuous break-make through PWM ripple control metal-oxide-semiconductor is controlled; The single channel metal-oxide-semiconductor can be realized the brightness regulation of led light source, and the two-way metal-oxide-semiconductor can be controlled the brightness of the led light source of 2 groups of different-colours respectively, realizes the adjusting of colour temperature; Three road metal-oxide-semiconductors can be controlled the brightness of the led light source of 3 groups of different colours respectively, realize the adjusting of color.
6. an intelligent LED lamp comprises led light source, it is characterized in that: the power input of said led light source is provided with any described intelligent LED driver in the claim 1~5.
7. intelligent LED lamp according to claim 6 is characterized in that: said led light source is some groups of parallel connection, and every group of led light source all disposes one and be electrically connected by the LED driver module of DC/DC adaptive power supply module for power supply and with the PWM module.
CN2012201617768U 2012-04-16 2012-04-16 Intelligent light-emitting diode (LED) driver and intelligent light-emitting diode (LED) lamp CN202565529U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103096601A (en) * 2013-01-25 2013-05-08 海林火地电气科技有限公司 Light emitting diode (LED) power self-adaptive driver
CN103179758A (en) * 2013-03-25 2013-06-26 惠州市经典照明电器股份有限公司 LED (Light Emitting Diode) lamp driving system under WIFI (Wireless Fidelity) wireless control
CN103379693A (en) * 2012-04-16 2013-10-30 杭州鸿雁电器有限公司 Intelligent LED driver, intelligent LED lamp and light modulation method of intelligent LED lamp
WO2014121661A1 (en) * 2013-02-08 2014-08-14 东林科技股份有限公司 Dimmable light-emitting diode illumination system
CN104848082A (en) * 2013-10-07 2015-08-19 弗莱克斯电子有限责任公司 Method of and apparatus for enhanced thermal isolation of low-profile led lighting fixtures
CN105246191A (en) * 2015-09-09 2016-01-13 重庆平伟光电科技有限公司 LED light control device for plant illumination light source light distribution and control method
CN105276393A (en) * 2015-11-13 2016-01-27 深圳市法兰文化产业有限公司 LED lamp book
CN105517273A (en) * 2014-12-18 2016-04-20 马鞍山拓普利光电科技有限公司 RF dimming toned lighting control system and control method thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103379693A (en) * 2012-04-16 2013-10-30 杭州鸿雁电器有限公司 Intelligent LED driver, intelligent LED lamp and light modulation method of intelligent LED lamp
CN103379693B (en) * 2012-04-16 2015-03-18 杭州鸿雁电器有限公司 Intelligent LED driver, intelligent LED lamp and light modulation method of intelligent LED lamp
CN103096601A (en) * 2013-01-25 2013-05-08 海林火地电气科技有限公司 Light emitting diode (LED) power self-adaptive driver
CN103096601B (en) * 2013-01-25 2015-03-18 海林火地电气科技有限公司 Light emitting diode (LED) power self-adaptive driver
WO2014121661A1 (en) * 2013-02-08 2014-08-14 东林科技股份有限公司 Dimmable light-emitting diode illumination system
CN103179758A (en) * 2013-03-25 2013-06-26 惠州市经典照明电器股份有限公司 LED (Light Emitting Diode) lamp driving system under WIFI (Wireless Fidelity) wireless control
CN104848082A (en) * 2013-10-07 2015-08-19 弗莱克斯电子有限责任公司 Method of and apparatus for enhanced thermal isolation of low-profile led lighting fixtures
CN104848082B (en) * 2013-10-07 2020-04-14 弗莱克斯电子有限责任公司 Method and apparatus for enhancing thermal isolation of thin lighting fixtures
CN105517273A (en) * 2014-12-18 2016-04-20 马鞍山拓普利光电科技有限公司 RF dimming toned lighting control system and control method thereof
CN105246191A (en) * 2015-09-09 2016-01-13 重庆平伟光电科技有限公司 LED light control device for plant illumination light source light distribution and control method
CN105276393A (en) * 2015-11-13 2016-01-27 深圳市法兰文化产业有限公司 LED lamp book

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Granted publication date: 20121128

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