CN205883657U

CN205883657U - But many sensing network deployment LED lamp intelligent light -adjusting devices

Info

Publication number: CN205883657U
Application number: CN201620820476.4U
Authority: CN
Inventors: 张沛强; 曹仙春; 贾冰慧; 潘俊锋
Original assignee: GUANGZHOU MECHANICAL AND ELECTRICAL TECHNOLOGY RESEARCH INSTITUTE
Current assignee: GUANGZHOU MECHANICAL AND ELECTRICAL TECHNOLOGY RESEARCH INSTITUTE
Priority date: 2016-07-29
Filing date: 2016-07-29
Publication date: 2017-01-11
Anticipated expiration: 2026-07-29

Abstract

The utility model discloses a but many sensing network deployment LED lamp intelligent light -adjusting devices, including microcontroller, the module of adjusting luminance, communication module, serial extension module, power module and sensor input module, module, communication module, serial extension module, power module and the sensor input module of adjusting luminance is connected with microcontroller respectively. The utility model discloses the setting photosensitive sensor among module and the sensor input module that adjusts luminance can realize the luminance of closed -cycle control LED lamp, realizes the invariant and adjusts luminance. Sensor input module includes a wide range of sensor input interface, can the access of compatible multiple type sensor. The utility model discloses be equipped with communication module, can realize the function of nimble network deployment, be applicable to the illumination in coordination of many LED lamp in the region, also be applicable to the illumination of single lamp, have advantages such as with low costs, small, the installation and maintenance of being convenient for, be particularly suitable for using in intelligent illumination fields such as house, parking area, squares.

Description

A kind of many sensings can networking LED intelligent dimming device

Technical field

This utility model belongs to LED lighting control technique field, and being specifically related to sensing more than one can networking LED intelligence Light modulating device.

Background technology

Along with the continuous reduction of LED chip price, the use of current LED light source and light fixture starts to embody higher sexual valence Ratio, is widely used in fields such as public illumination, roadway illumination, parking lot illuminations, just with swift and violent velocity shock tradition Light fixture market, its development is the most noticeable.

Wideling popularize and demonstrating along with government, LED lamp has obtained widespread commercial use, but big portion on the market Divide LED lamp, the most only take the control mode of break-make, even if part light fixture is with sensor input, but input single, Control mode is simple, it is difficult to meet the lighting demand of productive life.It addition, common LED light fixture does not possess networking function, it is impossible to real The collaborative illumination in existing region, has Some Enterprises to be concerned about this point, has started to develop out the Lighting Control Assembly of corresponding function, but Networking process is complicated, arranges loaded down with trivial details, needs to increase master control and other peripheral matched equipment, and cost is high, easy fault, inconvenience dimension Protect, it is difficult to universal.Finally, eye is all locked in the control mode of LED lamp by major part enterprise, and have ignored LED lamp Lighting quality, along with the passage of the time of operation, there is catabiosis in light fixture, and light decay is serious, adds the dry of external environmental factor Disturb, power network fluctuation, not only shorten the life-span of light fixture but also have impact on the lighting quality of light fixture.

Accordingly, it would be desirable to take more thorough lighting system, while ensureing lighting quality, take more effectively to supervise Mode highlights its advantage energy-conservation, efficient.

Summary of the invention

The purpose of this utility model is that the shortcoming overcoming prior art is with not enough, it is provided that a kind of many sensings can networking LED Lamp intelligent dimming device, can realize sensor access, flexible networking, constant light modulation, meets single lamp illumination or region The collaborative illumination of interior many LED.

The purpose of this utility model is achieved through the following technical solutions:

Much a kind of sensing can networking LED intelligent dimming device, including microcontroller, and be connected with microcontroller respectively Light-adjusting module, sensor input module, described light-adjusting module includes: for single phase alternating current power supply transfers to the resistance of DC source Hold reduction voltage circuit, for detecting the zero passage detection filter circuit of single phase ac signal zero crossing, for according to microcontroller signal Control the dimming driving circuit of light adjusting circuit output, and for the light adjusting circuit that LED is dimmed；Described sensor is defeated Enter module and include the light sensor for Real-time Collection optical information.This utility model is defeated by arranging light-adjusting module and sensor Enter the light sensor in module, it is possible to achieve closed loop adjusting brightness of LED lamps, it is achieved constant light modulation.

Preferably, described sensor input module also includes sensor input interface and isolation circuit, polymorphic type Sensor input is connected with microcontroller by isolation circuit, and light sensor is with sensor input interface even Connect.

Further, described sensor input interface also moves with human induction switch, audio-switch, object Any one or combination in detection sensor connect.The mode of multisensor input can effectively meet complicated on-the-spot illumination need Ask.

Further, described isolation circuit uses optical coupling isolator.

Preferably, described intelligent dimming device also includes communication module, and communication module includes one for sending sensor Input module shares data or/and receive sensor input module to share the wireless communication module of data, or/and one near The infrared communication module of distance communication.Thus the various kinds of sensors in shareable area, it is not necessary to master control and other hardware support kits set Standby, get final product the collaborative illumination of feasible region.

Further, described wireless communication module uses radio communication Zigbee module.This module can realize flexibly Networking.

Preferably, described intelligent dimming device also includes that serial expanded module, system expansion module include for storing fortune The nonvolatile memory of line parameter and for providing the real-time clock module of real-time time information, the two is respectively by sharing I2C interface is connected with microcontroller.

Preferably, described intelligent dimming device also includes power module, and power module includes for providing direct current 5V power supply The AC/DC transducer of output and for providing the step down voltage redulator that direct current 3.3V power supply exports.By this power module, Ke Yiwei In device, corresponding module provides corresponding DC source.

This utility model compared with prior art, has the advantage that and beneficial effect:

1, the light sensor during this utility model arranges light-adjusting module and sensor input module, changes conventional conventional lights Tool open loop control mode, takes closed loop control to light adjusting circuit, makes illumination regional luminance constant at certain numerical value, ensures illumination matter Amount, prolonging service lives of lamps.

2, this utility model is provided with communication module, change conventional conventional lamp can not the shortcoming of networking coordinated signals, pass through The networking mode of simple and flexible, shared region sensor, the problem that can easily solve Regional Synergetic illumination.

3, this utility model sensor input module includes sensor input interface, sensing capable of being compatible with multi-type Device accesses.Changing single lamp single sensor input control model that conventional conventional lamp is original, the mode of multisensor input can Effectively meet complicated on-the-spot lighting demand.

Accompanying drawing explanation

Fig. 1 is that the many sensings of the present embodiment can networking LED intelligent dimming apparatus structure schematic diagram.

Drawing reference numeral illustrates: 1, microcontroller；2, light-adjusting module；201, light adjusting circuit；202, zero passage detection filter circuit； 203, capacitance-resistance voltage reduction circuit；204, dimming driving circuit；3, power module；301, AC/DC transducer；302, step down voltage redulator； 4, serial expanded module；401, nonvolatile memory；402, real-time clock module；5, communication module；501, radio communication mold Block；502, infrared communication interface；6, sensor input module；601, isolation circuit；602, sensor input interface.

Detailed description of the invention

Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention do not limit In this.

Embodiment 1

See Fig. 1, the many sensings of the present embodiment can networking LED intelligent dimming device, including microcontroller 1 and mutual with it Light-adjusting module 2, power module 3, serial expanded module 4, communication module 5 and the sensor input module 6 being connected.

Described microprocessor 1 use 32, high-performance, low-power consumption, the microprocessor of ARM framework, dominant frequency up to 48Mhz, There is 4KB SRAM, 16KB Flash；Multiple configurable peripheral hardwares, including 1 UART, 1 SPI, 1 IIC and 20 I/O ports etc..

Described light-adjusting module 2, including light adjusting circuit 201, zero passage detection filter circuit 202, capacitance-resistance voltage reduction circuit 203 and tune Light drive circuit 204.For the purpose of safety, the DC source used by light-adjusting module, capacitance-resistance voltage reduction circuit 203 independently carry Confession, single phase alternating current power supply is transferred to 5V DC source by this circuit, provides for whole light-adjusting module and drives power supply；Zero passage detection filters Circuit 202, obtains the zero cross signal of single-phase alternating current, accesses microprocessor 1, through closed loop algorithm controls dimming driving circuit 204, Thus control light adjusting circuit 201 and export, it is achieved constant light modulation.

Described power module 3, power module provides its required DC source for other module, including direct current 5V and direct current 3.3V；AC/DC transducer is connected with step down voltage redulator, it is provided that 5V DC source；Step down voltage redulator provides direct current 3.3V electricity Source exports.

Described serial expanded module 4, including nonvolatile memory 401 and real-time clock module 402, non-in the present embodiment Volatile memory is used for storage running parameter, concrete employing AT24C08 type nonvolatile memory, real-time clock module 402 For providing real-time time information, concrete employing DS1337 cake core, above-mentioned nonvolatile memory 401 and real-time clock module 402 are all connected with microcontroller by shared I2C interface.

Described communication module 5, including one for send each sensor in sensor input module shared data or/ Share the radio communication Zigbee module 501 of data with receiving each sensor in other sensor input module, use flexibly MANET Zigbee communication mode, any several modules all can form LAN by being simply provided, each in shared region Class sensor, it is not necessary to master control and other hardware support kit equipment, gets final product the collaborative illumination of feasible region.Described communication module 5 also may be used Access an infrared communication interface 502 being used for short-range communication, communicated with outside by this interface.

Described sensor input module 6, including sensor input interface 602 and isolation circuit 601, described multiclass Type sensor input 602 optional access human induction switch, audio-switch, object move detection sensor, light sensor Device etc.；After accessing light sensor, light sensor gathers Real-Time Optical information, and matches with light-adjusting module, closed loop regulation LED Lamp brightness, makes illumination regional luminance constant at certain numerical value, ensures lighting quality, prolonging service lives of lamps.Described isolation circuit 601, use photoisolator to carry out signal isolation, play the effect of protection.

Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-described embodiment Limit, the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify, All should be the substitute mode of equivalence, within being included in protection scope of the present invention.

Claims

1. more than one kind, sensing can networking LED intelligent dimming device, it is characterised in that include microcontroller, and respectively with micro- Light-adjusting module that controller is connected, sensor input module, described light-adjusting module includes: for being transferred to directly by single phase alternating current power supply Flow the capacitance-resistance voltage reduction circuit of power supply, for detecting the zero passage detection filter circuit of single phase ac signal zero crossing, for according to micro- Controller signals controls the dimming driving circuit of light adjusting circuit output, and for the light adjusting circuit that LED is dimmed；Institute State sensor input module and include the light sensor for Real-time Collection optical information.

Many sensings the most according to claim 1 can networking LED intelligent dimming device, it is characterised in that described sensor Input module also includes sensor input interface and isolation circuit, and sensor input interface is by isolation circuit Being connected with microcontroller, light sensor is connected with sensor input interface.

Many sensings the most according to claim 2 can networking LED intelligent dimming device, it is characterised in that described polymorphic type Sensor input also moves any one or combination detected in sensor with human induction switch, audio-switch, object Connect.

Many sensings the most according to claim 2 can networking LED intelligent dimming device, it is characterised in that described isolation electricity Road uses optical coupling isolator.

Many sensings the most according to claim 1 can networking LED intelligent dimming device, it is characterised in that described intelligence is adjusted Electro-optical device also includes communication module, and communication module includes that one is shared data or/and receive for sending sensor input module Sensor input module shares the wireless communication module of data, or/and an infrared communication module for short-range communication.

Many sensings the most according to claim 5 can networking LED intelligent dimming device, it is characterised in that described channel radio Letter module uses radio communication Zigbee module.

Many sensings the most according to claim 1 can networking LED intelligent dimming device, it is characterised in that described intelligence is adjusted Electro-optical device also includes that serial expanded module, system expansion module include the nonvolatile memory for storage running parameter and use In the real-time clock module of offer real-time time information, the two is connected with microcontroller by shared I2C interface respectively.

Many sensings the most according to claim 1 can networking LED intelligent dimming device, it is characterised in that described intelligence is adjusted Electro-optical device also includes power module, and power module includes the AC/DC transducer for providing direct current 5V power supply to export and for carrying Step down voltage redulator for the output of direct current 3.3V power supply.