A kind of controllable multi-color temperature intelligent drives power supply[technical field]
The present invention relates to the technical field of led illumination, the technology neck of particularly a kind of controllable multi-color temperature intelligent drives power supplyDomain.
[background technology]
Colour temperature is used to weigh the photochromic value of light source, and the colour temperature of light source is different, photochromic also just different.Colour temperature specifically refers to,One standard blackbody is heated, when temperature raises to a certain extent, the color of this black matrix starts with dark red, pale red, orange, white, blueOrder gradually changes, and when the color of the light that certain light source sends is identical with the color that standard blackbody is in certain temperature, this black matrix is worked asWhen absolute temperature be colour temperature.The colour temperature of light source to be represented with absolute temperature k, and the different people of different environment is to color temperature valueRequire a kind of different, drive electric power unit of the color temperature value that can adjust LED light source of market demand.
For meeting the demand, Chinese patent literature cn201110389680.7 discloses an a kind of led colour temperature and adjusts systemSystem and method, the led chipset using two groups of different-colours forms LED light source, the color being needed by the input of colour temperature setup unitTemperature value, computing module determines target color temperature value according to color temperature Regulate signal, and the critical color temperature value fixing with compares, with rootCalculate ratio value according to correspondingly computing formula.Performing module determines corresponding current value according to ratio value and relation list.PermanentStream drive module is produced corresponding modulated signal according to the current value determining and is reached with the current value flowing through two led modules respectivelyTo the current value of this determination, the light that led luminescence unit sends is made to reach target colour temperature.Although this mode can reach regulation colorThe purpose of temperature value, but numerical value input is cumbersome, and color temperature value regulative mode is single, and computing module data operation quantity is big, programComplicated.
[content of the invention]
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of controllable multi-color temperature intelligent drives power supply,Instruction input can be realized by two kinds of input modes, can be color temperature value adjust electrodeless change, meet sensation demand it is also possible toReach target color temperature value, color temperature value high precision by inputting setting value, scope is wide.
For achieving the above object, the present invention proposes a kind of controllable multi-color temperature intelligent drives power supply, including processor, touchDisplay screen, colour temperature setup unit, mu balanced circuit, power supply, memorizer, color temperature detector, constant-flow driver and led luminescence unit,Described power supply be connected with electrical component by mu balanced circuit it is characterised in that: described processor passes through wire and colour temperature and detectsDevice connects, and described color temperature detector is used for measuring the color temperature value of the light that led luminescence unit sends, described processor pass through wire withTouch display screen connects, and can show the colour temperature Value Data of the light that led luminescence unit sends, described process by touch display screenDevice is connected with colour temperature setup unit by wire, and described colour temperature setup unit is used for adjusting the color of the light that led luminescence unit sendsTemperature value, described processor is connected with constant-flow driver by wire, and described constant-flow driver at least includes a constant-current driving mouldBlock, described constant-flow driver is connected with led luminescence unit by wire, the led module number in described led luminescence unit with permanentStream drive module quantity is identical.
Preferably, described constant-flow driver includes the first constant-current driven module and the second constant-current driven module.
Preferably, described led luminescence unit includes a led module and the 2nd led module.
Preferably, described first constant-current driven module is connected with a led module, described second constant-current driven module leads toCross wire to be connected with the 2nd led module, described first constant-current driven module is used for the electricity that can adjust to a led module conveyingStream, described second constant-current driven module is used for conveying adjustable electric current to the 2nd led module.
Beneficial effects of the present invention: the present invention pass through by processor, touch display screen, colour temperature setup unit, mu balanced circuit,Power supply, memorizer, color temperature detector, constant-flow driver and led luminescence unit are applied in led colour temperature regulation power supply, Neng GoutongCross two kinds of input modes and realize instruction input, can be that color temperature value adjusts electrodeless change, meet sensation demand it is also possible to pass through defeatedEnter setting value and reach target color temperature value, color temperature value high precision, scope is wide, system can be made to meet different demands, adaptability is moreBy force, easy to operate, it is suitable for different application places.
The feature of the present invention and advantage will combine accompanying drawing by embodiment and be described in detail.
[brief description]
Fig. 1 is a kind of structural representation of present invention controllable multi-color temperature intelligent drives power supply；
Fig. 2 is the circuit diagram of colour temperature setup unit；
Fig. 3 is the circuit diagram of mu balanced circuit.
In figure: 1- processor, 2- touch display screen, 3- colour temperature setup unit, 4- mu balanced circuit, 5- power supply, 6- memorizer,7- color temperature detector, 8- constant-flow driver, 81- first constant-current driven module, 82- second constant-current driven module, 9-led light singleUnit, 91- the led module, 92- the 2nd led module.
[specific embodiment]
Refering to Fig. 1-Fig. 3, a kind of present invention controllable multi-color temperature intelligent drives power supply, including processor 1, touch display screen 2,Colour temperature setup unit 3, mu balanced circuit 4, power supply 5, memorizer 6, color temperature detector 7, constant-flow driver 8 and led luminescence unit 9,Described power supply 5 be connected with electrical component by mu balanced circuit 4 it is characterised in that: described processor 1 passes through wire and colour temperature and visitsSurvey device 7 to connect, described color temperature detector 7 is used for measuring the color temperature value of the light that led luminescence unit 9 sends, and described processor 1 passes throughWire is connected with touch display screen 2, can show the color temperature value number of the light that led luminescence unit 9 sends by touch display screen 2According to described processor 1 is connected with colour temperature setup unit 3 by wire, and described colour temperature setup unit 3 is used for adjusting the luminous list of ledThe color temperature value of the light that unit 9 sends, described processor 1 is connected with constant-flow driver 8 by wire, and described constant-flow driver 8 is at leastIncluding a constant-current driven module, described constant-flow driver 8 is connected with led luminescence unit 9 by wire, and described led lights singleLed module number in unit 9 is identical with constant-current driven module quantity.Described constant-flow driver 8 includes the first constant-current driven module81 and second constant-current driven module 82.Described led luminescence unit 9 includes a led module 91 and the 2nd led module 92.DescribedFirst constant-current driven module 81 is connected with a led module 91, and described second constant-current driven module 82 passes through wire and the 2nd ledModule 92 connects, and described first constant-current driven module 81 is used for the electric current that can adjust to a led module 91 conveying, and described theTwo constant-current driven modules 82 are used for conveying adjustable electric current to the 2nd led module 92.
Work process: a kind of present invention controllable multi-color temperature intelligent drives power supply, led luminescence unit is by least one led mouldBlock forms, and the color temperature value according to minimum and maximum needs selects the number of led module color temperature value and led module, the color of led moduleTemperature value can be the same or different, and method includes step: user can utilize colour temperature setup unit to increase by visual sense feelingOr reduce the color temperature value of led module；User can also pass through touch display screen input color temperature value；User can also be aobvious by touchingDisplay screen selects to stay record data in memory as the color temperature value setting value of this time；Led module is realized increasing or decreasing reachingApproach to target color temperature value can set in memory, and the color temperature value that can make all of led module is according to same ratioIncrease or decrease it is also possible to setting section led module objectives colour temperature changing value is big, the colour temperature value changes of another part led moduleThe little target color temperature value reaching needs；When user passes through touch display screen input color temperature value, existing by color temperature detector detectionSome color temperature values, then send the data to processor, and processor passes through to calculate and passes through to control by the color temperature value amount needing to changeDifferent constant-flow drivers is realized, and is constantly detected by color temperature detector simultaneously.
A kind of present invention controllable multi-color temperature intelligent drives power supply, by setting list by processor, touch display screen, colour temperatureUnit, mu balanced circuit, power supply, memorizer, color temperature detector, constant-flow driver and led luminescence unit are applied and are adjusted electricity in led colour temperatureOn source, instruction input can be realized by two kinds of input modes, can be that color temperature value adjusts electrodeless change, meet sensation demand,Target color temperature value, color temperature value high precision can also be reached by inputting setting value, scope is wide, and system can be made to meet different needAsk, adaptability is higher, easy to operate, it is suitable for different application places.
Above-described embodiment is the description of the invention, is not limitation of the invention, any to simple transformation of the present invention afterScheme belong to protection scope of the present invention.