CN206061216U - A kind of novel road illumination LED centrally connected power supply power supply - Google Patents
A kind of novel road illumination LED centrally connected power supply power supply Download PDFInfo
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- CN206061216U CN206061216U CN201620970257.4U CN201620970257U CN206061216U CN 206061216 U CN206061216 U CN 206061216U CN 201620970257 U CN201620970257 U CN 201620970257U CN 206061216 U CN206061216 U CN 206061216U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of novel road illumination LED centrally connected power supply power supply, including some LED centrally connected power supplies power supplys, one group of highway lighting LED loop and power management control main frame that are connected on three phase mains;The LED centrally connected power supplies power supply includes one or more reception direct current supply modules of centralized DC supply commutation module and the connection of centralized DC supply commutation module outfan.The outfan for receiving direct current supply module is connected with corresponding highway lighting LED loops respectively.The reception direct current supply module includes pressure regulation constant flow module, Power Monitoring Unit and communication module.This utility model can be with solution using centralized direct current supply mode, common frequency power network alternating current is converted into by unidirectional current by big-power rectification power supply, then unidirectional current is concentrated the LED being conveyed on whole piece circuit, is realized the centrally connected power supply to LED on whole piece circuit and is ensured each LED technical problem such as normal work under constant current state.
Description
Technical field
This utility model belongs to Power Electronic Technique, and in particular to the power supply automatic control technology device of LED.
Background technology
LED illumination is mainly by the luminescence chip of LED to complete.The major function of LED luminescence chips is that electric energy is turned
Luminous energy is turned to, the main material of chip is monocrystal silicon.LED illumination power supply refers to that being connected to AC or DC power is lighted with LED
A kind of electronic-controlled installation between chip, its effect is to provide appropriate running voltage and electric current for LED luminescence chips, is driven
LED luminescence chip normal works, convert electrical energy into the power circuit of luminous energy.
Highway lighting LED lamp consists predominantly of LED luminescence chips and LED power supply two parts, and usually highway shines
Bright LED lamp is powered, it is only necessary to load the nominal input voltage of alternating current 220V.The power supply of LED lamp will be exchanged
220V is converted to suitable voltage, meets the demand of LED luminescence chip group normal works.
The power distribution cabinet of LED power supplies is provided in alternating current 220V power supply, LED lamp for each LED lamp and is turned comprising power supply
Alternating current 220V is converted to suitable voltage by mold changing block, makes LED luminescence chip group normal works.
Shortcoming existing for prior art:
LED is affected seriously by electric current
The spread of voltage in highway LED illumination loop, frequently, LED life can be affected curent change.
Chip generates heat
This High pressure areas coefficient mainly for built-in power manipulator.If the electric current that chip is consumed is 2mA, 220V's
Voltage is added in chip top, and the power consumption of chip is 0.44W, can cause the heating of chip.The maximum current of driving chip comes from
The consumption of driving power mos pipe, simple computing formula are I=cvf.The resistance benefit that consideration is charged, actual I=2cvf, its
Cgs electric capacity of the middle c for power MOS pipe, v are gate voltages when power tube is turned on, so the power consumption in order to reduce chip, it is necessary to
Try every possible means to reduce c, v and f.If c, v and f can not change, then try every possible means the power consumption of chip is assigned to the device outside chip, together
When should not introduce extra power consumption).
Power supply difficulty is high
LED chip and power supply are fitted together, and General Spatial is narrow and small, and radiating condition is poor, and LED power quality and life-span are difficult to protect
Card.
The impact of electrochemical capacitor
The closure part of electrolysis condenser can spill the electrolyte of gasification, and this phenomenon can add with the rising of temperature
Speed, it is considered that temperature often rises 10 DEG C, and leakage rate can be improved to 2 times.It can be said that electrolysis condenser determines power supply
The life-span of device.
The impact of on-off times
Most power supplys are provided with the commutating circuit of condenser input type, when power supply is passed through, can produce surge current, cause out
Coila fatigue, the problems such as causing contact resistance increase and adsorb.It could be theoretically argued that, during power supply life expectancy, switch
Break-make number of times there are about 10000 times.
The content of the invention
The purpose of this utility model is to provide a kind of novel road illumination LED centrally connected power supply power supply, to solve using concentration
Common frequency power network alternating current is converted into unidirectional current by big-power rectification power supply by formula direct current supply mode, then by unidirectional current collection
In be conveyed to LED on whole piece circuit, realize the centrally connected power supply to LED on whole piece circuit and ensure each LED in constant current
The technical problem such as normal work under state.
In order to realize foregoing invention purpose, the technical scheme adopted by this utility model is as follows:
A kind of novel road illumination LED centrally connected power supply power supply, including some LED centrally connected power supplies being connected on three phase mains
Power supply, one group of highway lighting LED loop and power management control main frame;The LED centrally connected power supplies power supply is included by three phase mains
Draw the electric centralized DC supply commutation module and centralized DC supply commutation module outfan connection for being reconverted into direct current
One or more receive direct current supply module;It is described receive direct current supply module outfan respectively with corresponding highway lighting
LED loops connect;The reception direct current supply module includes that the pressure regulation constant flow module being serially connected in current supply circuit, measurement are powered back
The Power Monitoring Unit and communication module of the voltage x current temperature anomaly on road, described communication module one end and the power management control
The data of main frame processed, control end connection, the other end are connected with the control end of pressure regulation constant flow module, the data terminal of Power Monitoring Unit
Connect, realize two-way communication link.
Advantage of the present utility model is as follows with good effect:
In order to improve the service life of highway LED illumination System, a kind of New LED of this utility model design studies is concentrated and is supplied
Power supply, directly output are applied to the DC source of LED luminescence chips, it is to avoid cause because of the damage of LED drive circuit whole
The actual effect of LED lamp.Meanwhile, in order to prevent LED lamp premature failure, designed LED centrally connected power supply power supplys have overvoltage,
The defencive functions such as under-voltage, overcurrent, short circuit and excess temperature, and due in highway tunnel illumination require based on the luminance of outer caves,
In hole, the factor such as the volume of traffic and road speed carries out stepless regulated to brightness in lamp brightness and hole, and LED centrally connected power supply power supplys can
To receive dimming control signal, and output voltage or electric current can be adjusted to adjust LED light flux, be also equipped with the failure prison of light fixture
The abilities such as survey mechanism, power supply output and electric voltage exception detection, timely respond to making situations such as failure LED, it is to avoid because
To cause tunnel lamp work situations such as short circuit, without being found in time, so as to avoid tunnel long-time it is dark and
Cause traffic accident, cause personnel and property loss.
Description of the drawings
Fig. 1 is circuit structure theory diagram of the present utility model.
Specific embodiment
Circuit structure of the present utility model and principle are referring to Fig. 1.A kind of novel road illumination LED centrally connected power supply power supply, bag
Include some LED centrally connected power supplies power supplys, one group of highway lighting LED loop and the power management control master being connected on three phase mains
Machine;The LED centrally connected power supplies power supply include by three phase mains draw electricity be reconverted into direct current centralized DC supply commutation module,
One or more being connected with centralized DC supply commutation module outfan receive direct current supply module;The reception direct current is supplied
The outfan of electric module is connected with corresponding highway lighting LED loops respectively;The reception direct current supply module includes being serially connected in
Pressure regulation constant flow module, the Power Monitoring Unit of the voltage x current temperature anomaly of measurement current supply circuit and communication mould in current supply circuit
Block, the data of described communication module one end and the power management control main frame, control end are connected, the other end and pressure regulation constant current mould
The control end of block, the data terminal connection of Power Monitoring Unit, realize two-way communication link.
Operation principle of the present utility model:
(1) concentration of LED luminescence chips is directly powered
By the process of LED centrally connected power supply power supplys, mains supply is converted to into what is directly can powered for LED luminescence chips
Voltage and electric current, it is to avoid supporting supply module is installed in each LED lamp, simplify electric power system structure, cost-effective.
(2) various power supply way of outputs
By the conversion process of LED centrally connected power supply power supplys, for different LED luminescence chips, civil power can be converted to
The galvanic power supply way of output meets the power demands of various LED luminescence chips.
(3) information gathering of LED illumination electric power and control
By the power information acquisition module in LED centrally connected power supply power supplys, the electric current of Real-time Collection each LED lamp, electricity
Pressure information, monitors the working condition of LED lamp.Required according to actual LED illumination, adjust the supplier of electricity to each LED lamp
Formula, realizes that LED lamp concentrates pressure regulation, on-off control.
LED centrally connected power supplies power supply exports direct-furnish power supply, meets the power supply requirement of LED luminescence chips in LED lamp.LED collection
Middle power supply possesses power information monitoring function, the working condition of real-time detection LED lamp, LED centrally connected power supplies power supply and electricity
Communication link is set up at source control center, and the working condition of LED lamp is fed back to power management center.Power management center according to
Use demand, sends pressure regulation, the switching control instruction of LED lamp, and LED centrally connected power supply power supplys realize LED according to dependent instruction
The pressure regulation of tool and switching function.
Using centralized direct current supply mode, common frequency power network alternating current is converted into by direct current by big-power rectification power supply
Electricity, then unidirectional current is concentrated the LED being conveyed on whole piece circuit, thus only needs to letter is installed in each LED lamp
Single constant-current dimming element, can be achieved with to the centrally connected power supply of LED on whole piece circuit and ensures each LED under constant current state
Normal work.
Referring to Fig. 1, this utility model is direct-current LED centralized power supply system, and LED centrally connected power supply power supplys draw from three phase mains
Electricity, is converted to unidirectional current by rectification module, is direct-current LED lamp direct-furnish power supply further according to pressure regulation constant flow module.Power Supply Monitoring mould
Block monitors the voltage and current state of LED, and by communication module feedback information to power management center, user can also basis
Job demand realizes pressure regulation and the switching function of LED lamp using LED power administrative center.
As can be seen here, to fundamentally weaken LED and drive all kinds of technical barriers present on lighting engineering, it is necessary to propose
A kind of brand-new theory, powering mode of break traditions the driving power supply with one group of LED array, from the height handle of system
LED drives, monitors, management and light modulation bring together solution, weakens each link difficulty in detail by the combination advantage of system
Point.
Claims (1)
1. a kind of novel road illumination LED centrally connected power supply power supply, it is characterised in that some on three phase mains including being connected to
LED centrally connected power supply power supplys, one group of highway lighting LED loop and power management control main frame;The LED centrally connected power supplies power supply includes
The electric centralized DC supply commutation module and centralized DC supply commutation module for being reconverted into direct current is drawn by three phase mains defeated
Go out one or more reception direct current supply modules of end connection;It is described receive direct current supply module outfan respectively with it is corresponding
Highway lighting LED loops connect;The direct current supply module that receives includes the pressure regulation constant flow module being serially connected in current supply circuit, surveys
The Power Monitoring Unit and communication module, described communication module one end and the electricity of the voltage x current temperature anomaly of amount current supply circuit
The data of source control control main frame, control end, the number of Power Monitoring Unit of control end connection, the other end and pressure regulation constant flow module
According to end connection, two-way communication link is realized.
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CN201620970257.4U CN206061216U (en) | 2016-08-29 | 2016-08-29 | A kind of novel road illumination LED centrally connected power supply power supply |
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CN201620970257.4U CN206061216U (en) | 2016-08-29 | 2016-08-29 | A kind of novel road illumination LED centrally connected power supply power supply |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107833451A (en) * | 2017-11-24 | 2018-03-23 | 南宁燎旺车灯股份有限公司 | A kind of removable wireless temperature detecting device of automobile lamp |
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2016
- 2016-08-29 CN CN201620970257.4U patent/CN206061216U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107833451A (en) * | 2017-11-24 | 2018-03-23 | 南宁燎旺车灯股份有限公司 | A kind of removable wireless temperature detecting device of automobile lamp |
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