CN203708602U - LED drive device controlled intelligently - Google Patents

LED drive device controlled intelligently Download PDF

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Publication number
CN203708602U
CN203708602U CN201420064927.7U CN201420064927U CN203708602U CN 203708602 U CN203708602 U CN 203708602U CN 201420064927 U CN201420064927 U CN 201420064927U CN 203708602 U CN203708602 U CN 203708602U
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CN
China
Prior art keywords
unit
led drive
control unit
voltage
digital control
Prior art date
Application number
CN201420064927.7U
Other languages
Chinese (zh)
Inventor
陈勇华
Original Assignee
四川长虹照明技术有限公司
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Publication date
Application filed by 四川长虹照明技术有限公司 filed Critical 四川长虹照明技术有限公司
Priority to CN201420064927.7U priority Critical patent/CN203708602U/en
Application granted granted Critical
Publication of CN203708602U publication Critical patent/CN203708602U/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The utility model relates to an LED switch, and aims to overcome problems that the LED drive device in the prior art fails to achieve remote control and has overhigh cost. The LED drive device controlled intelligently comprises an input end, an output end, a filter rectification unit, a digital control unit, and an isolation voltage transformation and voltage/current detection unit. The filter rectification unit is separately connected to the input end and the digital control unit. The isolation voltage transformation and voltage/current detection unit is connected to the output end. The LED drive device further comprises a power factor correction unit, a DC-DC power supply, a zero voltage switch circuit and a wireless receiving unit. The power factor correction unit is separately connected to the filter rectification unit, the digital control unit, the DC-DC power supply and a zero voltage circuit. The zero voltage switch circuit is separately connected to the digital control unit and the isolation voltage transformation and voltage/current detection unit. The DC-DC power supply is connected to the digital control unit. The LED drive device is suitable for driving an LED.

Description

LED drive unit that can Based Intelligent Control

Technical field

The utility model relates to LED switch, particularly a kind of LED drive unit that can Based Intelligent Control.

Background technology

At present, most of LED drive units are point 2 classes generally, and a class is common isolating switch power or its output voltage of Unisolated switch power supply or the immutable LED drive unit of electric current; Another kind of is the variable LED drive unit of output voltage or electric current.But output voltage or electric current variable L ED drive unit only have following 2 kinds on the market at present, the 1st kind is connected with the outside control box of adjusting for this drive unit has a special voltage (0-10V) to adjust interface, and output voltage or electric current that user will adjust LED drive unit need outside adjustment control box to regulate or control (what generally existing market adopted is power line carrier mode); The 2nd kind for to increase a MCU control circuit in regular tap power supply peripheral circuit, in the time of production control device, need to solidify into a small routine, thus output voltage or the curent change time of solidifying LED drive unit.Above 2 kinds of type of drive have many deficiencies, can not meet user's actual demand.First kind of way only has the master switch of power transmission and distribution point is controlled and could be realized; The 2nd kind of control also has limitation, control complicated, cannot realize remote wireless control, also need an external independent control box simultaneously, but control box is expensive, this kind of control mode only used at present on the street lamp of price comparison costliness, adopts this kind of control mode high cost for indoor lamp drive unit, and practicality is not high.

Utility model content

The purpose of this utility model is cannot realize Long-distance Control and the too high problem of installation cost in order to solve LED drive unit under prior art.

For achieving the above object, the utility model provides a kind of LED drive unit that can Based Intelligent Control, comprise input, output, filter rectification unit, digital control unit and isolation voltage conversion and voltage/current detection unit, described filter rectification unit is connected with input and digital control unit respectively, described isolation voltage conversion is connected with output with voltage/current detection unit, also comprise Active PFC unit, DC-DC power supply, zero voltage switch circuit and radio receiving unit, described Active PFC unit respectively with filter rectification unit, digital control unit, DC-DC power supply and no-voltage circuit connect, described zero voltage switch circuit converts with digital control unit and isolation voltage respectively and voltage/current detection unit is connected, described DC-DC power supply is connected with digital control unit.

Further, also comprise electric capacity, described electric capacity minus earth, positive pole is connected with Active PFC unit.

Preferably, described radio receiving unit is RF433 radio receiving unit.

Particularly, described digital control unit is micro-control unit.

Particularly, described micro-control unit is the micro-control unit that is provided with 6 PWM generator.

Preferably, described micro-control unit is the micro-control unit that adopts programmable chip STLUX385A.

Particularly, the built-in wifi communication module of described radio receiving unit.

Preferably, described radio receiving unit comprises master chip, and described master chip adopts the wireless ASK/OOK receiving chip of monolithic SYN450R.

Wherein, filter rectification unit, digital control unit, isolation voltage conversion and voltage/current detection unit, Active PFC unit, DC-DC power supply, zero voltage switch circuit and radio receiving unit are existing known technology, and those of ordinary skills just can obtain its hardware unit according to its corresponding function.Filter rectification unit Main Function is that interchange AC220V is transformed into the needed direct voltage of back-end circuit, interference waveform in electrical network is carried out to filtering simultaneously, also preventing that AC signal that back-end circuit concussion produces is transmitted in grid equipment pollutes electrical network, also the high-frequency signal pulse producing in back-end circuit is filtered out and prevents that it from affecting electrical network, digital control unit Main Function is to detect power ratio control factor correction unit, zero voltage switch circuit and radio receiving unit, its method of work is in the time that radio receiving unit circuit receives extraneous RF433MHZ information, radio receiving unit can be converted into its RI radio intelligence the digital information of low and high level, this digital information is sent to digital control unit, digital control unit can be identified and judge this information content its information, and be converted into the signal of telecommunication (height, low level) after remove power ratio control factor correction unit and zero voltage switch circuit open and close, thereby control electric current output size or the no output of isolation voltage conversion and voltage/current detection unit, DC-DC power supply is mainly that high direct voltage converts digital circuit and the needed low pressure Vcc power supplys of other control circuits (being generally 5V, 12V) circuit to.In the utility model, also have a distinguishing feature between power factor controlling unit and zero voltage switch circuit unit, to have exactly a filtering and Absorption Capacitance, make power factor correction output more steady, filter out the stray wave in correcting circuit simultaneously, simultaneously due to this electric capacity also as a power supply so that back-end circuit can realize zero voltage switch.

The beneficial effects of the utility model are: can realize long distance wireless intelligent control, with low cost, scheme is simple easily to be realized, and formation produce market that particularly can be the fastest is sold.This drive unit standby power is very low also allows common people easily receive, and it is convenient to change.Compatible strong: be output as constant-current source more than 1 tunnel, user according to demand electric current selects corresponding specification model, the LED light fixture that can compatible go on the market; Networking is simple: can arbitrarily carry out network organizing, installation personnel only need to be by the product identification code input system on product, and system is found the receiver module of this drive unit by sending wireless signal, and it is shaken hands and confirms just can.

Accompanying drawing explanation

Fig. 1 be embodiment can Based Intelligent Control the theory diagram of LED drive unit.

Embodiment

Below in conjunction with drawings and Examples, the technical solution of the utility model is further described.

LED drive unit that can Based Intelligent Control of the present utility model, comprise input, output, filter rectification unit, digital control unit and isolation voltage conversion and voltage/current detection unit, filter rectification unit is connected with input and digital control unit respectively, isolation voltage conversion is connected with output with voltage/current detection unit, also comprise Active PFC unit, DC-DC power supply, zero voltage switch circuit and radio receiving unit, Active PFC unit respectively with filter rectification unit, digital control unit, DC-DC power supply and no-voltage circuit connect, zero voltage switch circuit converts with digital control unit and isolation voltage respectively and voltage/current detection unit is connected, DC-DC power supply is connected with digital control unit.

Embodiment

When this device uses, input is connected with power supply, and output connects LED lamp or the luminous equipment of other use LED of demand motive.

As shown in Figure 1, radio receiving unit is RF433 radio receiving unit built-in wifi communication module, and its master chip adopts the wireless ASK/OOK receiving chip of monolithic SYN450R.Digital control unit is micro-control unit, and its inside is provided with the micro-control unit of 6 PWM generator, adopts the micro-control unit of programmable chip STLUX385A.

Conventional no-output state: RF433 wireless receiving module is in " shut " mode", system enters low-power consumption standby state, digital control unit does not detect relevant information, digital control unit is closed output, Active PFC unit and zero voltage switch circuit are owing to being input as low level, the holding state of its corresponding circuits in no-output, therefore isolates transform and voltage/current detection not starting of oscillation of unit, whole drive unit no-output;

System is waken up triggering, start to start/adjust: RF433 wireless receiving module can send one " wake-up signal " to digital control unit after having received the input of RF signal, notify it to exit holding state, and decoded data output, data input digital control unit, the central processing unit of programmable chip STLUX385A inside receives after data message, according to in-line coding rule, carry out digital-to-analogue conversion, output analog information control zero voltage switch circuit and Active PFC unit carry out relevant work, to control isolation transforming circuit output current size or output current group number, reach the object that drive unit output is controlled.

Claims (8)

1. LED drive unit that can Based Intelligent Control, comprise input, output, filter rectification unit, digital control unit and isolation voltage conversion and voltage/current detection unit, described filter rectification unit is connected with input and digital control unit respectively, described isolation voltage conversion is connected with output with voltage/current detection unit, it is characterized in that, also comprise Active PFC unit, DC-DC power supply, zero voltage switch circuit and radio receiving unit, described Active PFC unit respectively with filter rectification unit, digital control unit, DC-DC power supply and zero voltage switch circuit connect, described zero voltage switch circuit converts with digital control unit and isolation voltage respectively and voltage/current detection unit is connected, described DC-DC power supply is connected with digital control unit.
2. LED drive unit that can Based Intelligent Control as claimed in claim 1, is characterized in that, also comprises electric capacity, and described electric capacity minus earth is anodally connected with Active PFC unit.
3. LED drive unit that can Based Intelligent Control as claimed in claim 1, is characterized in that, described radio receiving unit is RF433 radio receiving unit.
4. LED drive unit that can Based Intelligent Control as claimed in claim 1, is characterized in that, described digital control unit is micro-control unit.
5. LED drive unit that can Based Intelligent Control as claimed in claim 4, is characterized in that, described micro-control unit is the micro-control unit that is provided with 6 PWM generator.
As described in claim 4 or 5 can Based Intelligent Control LED drive unit, it is characterized in that, described micro-control unit is the micro-control unit that adopts programmable chip STLUX385A.
As described in claim 1 or 3 can Based Intelligent Control LED drive unit, it is characterized in that the built-in wifi communication module of described radio receiving unit.
8. LED drive unit that can Based Intelligent Control as claimed in claim 7, is characterized in that, described radio receiving unit comprises master chip, and described master chip adopts the wireless ASK/OOK receiving chip of monolithic SYN450R.
CN201420064927.7U 2014-02-13 2014-02-13 LED drive device controlled intelligently CN203708602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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CN203708602U true CN203708602U (en) 2014-07-09

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104159375A (en) * 2014-08-22 2014-11-19 四川长虹照明技术有限公司 Driving device for controlling LED lighting system wirelessly
CN104168703A (en) * 2014-08-28 2014-11-26 绵阳高新区明成科技有限公司 Driving method and device for wirelessly controlling LED illuminating system
CN104202880A (en) * 2014-09-09 2014-12-10 四川长虹照明技术有限公司 LED (Light Emitting Diode) intelligent lamp
CN104411042A (en) * 2014-11-19 2015-03-11 西安重装渭南光电科技有限公司 LED (light emitting diode) drive device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104159375A (en) * 2014-08-22 2014-11-19 四川长虹照明技术有限公司 Driving device for controlling LED lighting system wirelessly
CN104168703A (en) * 2014-08-28 2014-11-26 绵阳高新区明成科技有限公司 Driving method and device for wirelessly controlling LED illuminating system
CN104202880A (en) * 2014-09-09 2014-12-10 四川长虹照明技术有限公司 LED (Light Emitting Diode) intelligent lamp
CN104411042A (en) * 2014-11-19 2015-03-11 西安重装渭南光电科技有限公司 LED (light emitting diode) drive device
CN104411042B (en) * 2014-11-19 2017-07-14 金华知产婺源信息技术有限公司 Led drive device

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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: 621000 No. 39 Bridge Road, Mianyang economic and Technological Development Zone, Sichuan, Sanjiang

Patentee after: Sichuan Changhong energy Sunshine Technology Co., Ltd.

Address before: 621000 No. 39 Bridge Road, Mianyang economic and Technological Development Zone, Sichuan, Sanjiang

Patentee before: Sichuan Changhong Illumination Technology Inc.

Address after: 621000 No. 39 Bridge Road, Mianyang economic and Technological Development Zone, Sichuan, Sanjiang

Patentee after: Sichuan Changhong energy Sunshine Technology Co., Ltd.

Address before: 621000 No. 39 Bridge Road, Mianyang economic and Technological Development Zone, Sichuan, Sanjiang

Patentee before: Sichuan Changhong Illumination Technology Inc.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140709

Termination date: 20190213