CN205987466U

CN205987466U - Energy -conserving driving LED street lamp

Info

Publication number: CN205987466U
Application number: CN201620921998.3U
Authority: CN
Inventors: 朱文明; 朱云; 胡宇
Original assignee: Jiangsu Modern Lighting Group Co Ltd
Current assignee: Jiangsu Modern Lighting Group Co Ltd
Priority date: 2016-08-22
Filing date: 2016-08-22
Publication date: 2017-02-22
Anticipated expiration: 2026-08-22

Abstract

The utility model discloses an energy -conserving driving LED street lamp belongs to illumination trade technical field, has solved the problem that in good time adjustment can't be made according to the environment to traditional LED street lamp. It is main including supply input module, bridge type rectifier circuit module, quasi -resonance cycle DCDC transform circuit module, multichannel LED illumination circuit module, electric current / voltage detection circuit module, optoelectronic isolation circuit module, microprocessor module, environment optical detection circuit module and LED junction temperature detection circuit module. The utility model discloses demonstrate fully LED road lamp illumination system's adaptive, street lamp energy utilization is rateed highly, has practiced thrift the energy, has optimized the lighting efficiency of LED street lamp system, provides suitable operating voltage, drive current, guarantees the stability of its output light intensity.

Description

The driving LED street lamp of energy-conservation

Technical field

This utility model belongs to illuminating industry technical field, specifically, the driving LED road of more particularly, to a kind of energy-conservation Lamp.

Background technology

Large power white light LED illumination has the drive characteristic of complexity, first, the running voltage needed for different LED, driving Electric current is different；Secondly, even if in the case that driving current is constant, with the increase of working time, operating ambient temperature raises Also result in luminous flux to decrease.Existing white light LEDs street lamp actuation techniques are mainly included resistance-capacitance depressurization and are adjusted based on pulse The switch constant pressure and flow of PWM processed drives.These actuation techniques make LED illumination obtain preliminary application.But, when temperature, wet When the accumulation of heat producing when the complicated external environment condition such as degree and work leads to LED parameter change, based on traditional capacitance-resistance The simple current stabilization of blood pressure lowering and PWM switch constant pressure and flow drives can not make in good time adjustment with the change of LED parameter, lead to drive Efficiency reduces, the problems such as all flow unstable.Meanwhile, the application demand of the controllable characteristics that quantize of LED light source also increasingly improves, and passes The LED of system drives strategy greatly to constrain LED application in this respect.

Content of the invention

For solving the above problems, this utility model provides a kind of driving LED street lamp of energy-conservation.

This utility model is achieved through the following technical solutions：

A kind of driving LED street lamp of energy-conservation, including civil power input module, bridge rectifier module, quasi-resonance cycle DC/ DC translation circuit module, LED multi-path lighting circuit module, current/voltage testing circuit module, photoelectric isolating circuit module, micro- Processor module, ambient light detection circuit module and LED junction temperature detector slowdown monitoring circuit module, described bridge rectifier module defeated Enter end to be connected with the described civil power input module signal of telecommunication, its outfan across cycle DC/DC translation circuit module with described quasi-resonance Input is connected, the outfan of across the cycle DC/DC translation circuit module of described quasi-resonance and described LED multi-path lighting circuit module Input be connected, the outfan of across the cycle DC/DC translation circuit module of described quasi-resonance also detects electricity with described current/voltage The input signal of telecommunication of road module is connected, the outfan of described current/voltage testing circuit module and described photoelectric isolating circuit Module input is connected, and described photoelectric isolating circuit module outfan is connected with the described microprocessor module input signal of telecommunication, Described microprocessor module outfan across cycle DC/DC translation circuit, LED multi-path lighting circuit modular telecommunications with described quasi-resonance Number be connected, described ambient light detection circuit module, LED junction temperature detector slowdown monitoring circuit module are by the signal transmission detecting to described micro- place The input of reason device module.

Preferably, the chip model that described micro treatment module adopts is STC12C5201AD single-chip microcomputer.

Compared with prior art, the beneficial effects of the utility model are：

Road lamp energy-saving drive system of the present utility model takes into full account the external conditions such as exterior light photograph, operating temperature change institute The LED causing goes out light characteristic change, is driven by corresponding sensor and micro controller system Automatic adjusument, fully demonstrates The adaptivity of LED street lamp illuminator；Meanwhile, by using " delay startup ", " traffic flow timing statisticses " and " based on perseverance Determine the intermodule alternative method of illumination ", make street lamp reach optimal utilizing status, and saved the energy, optimize LED street lamp system The illumination efficiency of system, provides suitable running voltage, driving current it is ensured that the stability of its output intensity.

Brief description

Fig. 1 is this utility model system block diagram.

In figure：1. civil power input module；2. bridge rectifier module；3. quasi-resonance cycle DC/DC translation circuit module； 4. LED multi-path lighting circuit module；5. current/voltage testing circuit module；6. photoelectric isolating circuit module；7. microprocessor mould Block；8. ambient light detection circuit module；9.LED junction temperature testing circuit module.

Specific embodiment

Below in conjunction with the accompanying drawings this utility model is further illustrated：

A kind of driving LED street lamp of energy-conservation, including civil power input module 1, bridge rectifier module 2, quasi-resonance cycle DC/DC translation circuit module 3, LED multi-path lighting circuit module 4, current/voltage testing circuit module 5, photoelectric isolating circuit mould Block 6, microprocessor module 7, ambient light detection circuit module 8 and LED junction temperature detector slowdown monitoring circuit module 9, described bridge rectifier electricity The input of road module 2 is connected with described civil power input module 1 signal of telecommunication, its outfan DC/DC across cycle with described quasi-resonance Translation circuit module 3 input is connected, the outfan of across the cycle DC/DC translation circuit module 3 of described quasi-resonance and described multichannel The input of LED illumination circuit module 4 is connected, the outfan of across the cycle DC/DC translation circuit module 3 of described quasi-resonance also with institute The input signal of telecommunication stating current/voltage testing circuit module 5 is connected, the outfan of described current/voltage testing circuit module 5 It is connected with described photoelectric isolating circuit module 6 input, described photoelectric isolating circuit module 6 outfan and described microprocessor mould The block 7 input signal of telecommunication is connected, described microprocessor module 7 outfan with described quasi-resonance across cycle DC/DC translation circuit 3, LED multi-path lighting circuit module 4 signal of telecommunication is connected, and described ambient light detection circuit module 8, LED junction temperature detector slowdown monitoring circuit module 9 will The signal transmission detecting is to the input of described microprocessor module 7.

The chip model that described micro treatment module 7 adopts is STC12C5201AD single-chip microcomputer.

Input civil power after bridge rectifier module 3 rectification, by quasi-resonance across cycle DC/DC translation circuit mould The outfan of block 3, current/voltage testing circuit module 5 is connected on the outfan of quasi-resonance across cycle DC/DC translation circuit module 3, The coherent signal detecting is sent into microprocessor module 7 through photoelectric isolating circuit module 6 and is processed, and is used for controlling by feedback Quasi-resonance across cycle DC/DC translation circuit module 3, realizes output stable；Environment photoelectric detective circuit module 8 and LED junction temperature detector Slowdown monitoring circuit module 9 detects the intensity of ambient light and the operating temperature of LED module respectively, and testing result is sent into microprocessor mould Block 7 is processed, and the intelligent power saving for realizing LED illumination module controls.The concrete control method of this utility model is：

A. microprocessor module 7 system initialization, system determines according to external command (infrared communication or serial communication) is No to each paths of LEDs lighting module circuit be LED multi-path lighting circuit module 4 give electricity；

B. after determining knot electricity, system enters start delay startup state, judges whether to be in intellectual statuses, if it is, entering Step c；If not, in setting time, each road is gradually increased maximum output to electric intensity from 0 and refers to, after the completion of start delay startup, The output of each road is maintained at maximum power output；

C. system passes through ambient light detection circuit module, obtains external environment condition light intensity value, in conjunction with this value, in setting time Give electricity to each paths of LEDs lighting module circuit, linearly change to electric intensity, until reaching and external environment condition light intensity value to electric intensity Corresponding numerical value；After reaching the minimum outside light intensity of setting, system enters total power output state；

D. in total power output state, the LED illumination light source temperature of system detectio LED junction temperature detector slowdown monitoring circuit module 9, according to Different light-source temperature, system is adjusted by PWM duty cycle, automatically selects 0.6～1 times of total power output；

E. after the total power output state of setting time, by the timer time system of system itself, when fixing Between, realize constant intensity conversion, while that is, the illumination intensity in part LED illumination modular circuit is gradually increased, remainder Illumination intensity synchronously reduce, this kind of conversion between two groups of LED illumination modular circuits alternately；

F., after two groups of LED illumination modular circuit alternations of setting time, the output of each road carries out inverse start process, System finishing gives electricity to LED illumination modular circuit.

In sum, preferred embodiment only of the present utility model, is not used for limiting this utility model enforcement Scope, the impartial change that shape described in all right according to this utility model, construction, feature and spirit are done with repair Decorations, all should be included in right of the present utility model.

Claims

1. a kind of driving LED street lamp of energy-conservation it is characterised in that：Including civil power input module (1), bridge rectifier module (2), quasi-resonance cycle DC/DC translation circuit module (3), LED multi-path lighting circuit module (4), current/voltage testing circuit mould Block (5), photoelectric isolating circuit module (6), microprocessor module (7), ambient light detection circuit module (8) and LED junction temperature detector Slowdown monitoring circuit module (9), the input of described bridge rectifier module (2) is connected with described civil power input module (1) signal of telecommunication, Its outfan DC/DC across cycle with described quasi-resonance translation circuit module (3) input is connected, across the cycle DC/ of described quasi-resonance The outfan of DC translation circuit module (3) is connected with the input of described LED multi-path lighting circuit module (4), described quasi-resonance The input electricity also with described current/voltage testing circuit module (5) for the outfan of across cycle DC/DC translation circuit module (3) Signal is connected, the outfan of described current/voltage testing circuit module (5) and described photoelectric isolating circuit module (6) input It is connected, described photoelectric isolating circuit module (6) outfan is connected with described microprocessor module (7) the input signal of telecommunication, described Microprocessor module (7) outfan and described quasi-resonance across cycle DC/DC translation circuit module (3), LED multi-path lighting circuit mould Block (4) signal of telecommunication is connected, and described ambient light detection circuit module (8), LED junction temperature detector slowdown monitoring circuit module (9) are by the letter detecting Number it is transferred to the input of described microprocessor module (7).

2. the driving LED street lamp of energy-conservation according to claim 1 it is characterised in that：Described microprocessor module (7) adopts Chip model be STC12C5201AD single-chip microcomputer.