CN104390198A - Heat dissipation control system applied to solar LED (Light-Emitting Diode) illuminating device - Google Patents
Heat dissipation control system applied to solar LED (Light-Emitting Diode) illuminating device Download PDFInfo
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- CN104390198A CN104390198A CN201410621214.0A CN201410621214A CN104390198A CN 104390198 A CN104390198 A CN 104390198A CN 201410621214 A CN201410621214 A CN 201410621214A CN 104390198 A CN104390198 A CN 104390198A
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- control system
- module
- heat dissipation
- illumination device
- solar led
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a heat dissipation control system applied to a solar LED (Light Emitting Diode) illuminating device. The heat dissipation control system disclosed by the invention comprises an illuminating device, and a heat dissipation control system for controlling the illuminating device to dissipate heat, wherein the heat dissipation control system comprises a semiconductor refrigerating module arranged on the illuminating device, and a micro control module which is connected with the semiconductor refrigerating module; the micro control module is further connected with a temperature detection unit, a display unit and a power supply module for supplying required power to the system; the micro control module comprises a control unit and a data processing unit. The heat dissipation control system is simple in structure, is free from moving components, and is high in reliability; refrigerants are not used, so that leakage and environmental pollution are prevented; the heat dissipation control system acts quickly, works reliability, is long in service life, is easy to control and is convenient to adjust, and the refrigerating capability can be adjusted by adjusting the magnitude of working current; moreover, the refrigerating or heating working state can be changed by switching the direction of current.
Description
Technical field
The present invention relates to a kind of monitoring system, particularly relate to a kind of cooling control system applying to solar LED illumination device, belong to monitoring field.
Background technology
In world's energy shortage, today that environmental pollution is day by day serious, fully develop and utilize solar energy to be one of energy strategy of actively implementing of countries in the world government.The application of solar LED illuminating system meets the development trend of this strategic decision.But the development of LED illumination System receives the impact of heat dissipation problem to a great extent.
For LED illumination System, the electric energy conversion of a small part can only be become luminous energy by LED in the course of the work, and most energy has been converted to heat energy.Along with the increase of LED power, caloric value increases, if heat dissipation problem solves bad, heat concentrates in small-sized chip, makes chip internal temperature more and more higher.Following impact will be caused when the temperature increases: operating voltage reduces; Light intensity reduces; The wavelength of light is elongated.Reduce the life-span of the efficiency of LED driver, damage magnetic element and output capacitor etc., the reliability of LED driver is reduced.Reduce the life-span of LED, accelerate the light decay of LED.The heat dissipation problem of LED illumination System has become a major obstacle of this technical development of restriction.At present, on the heat dissipation problem solving LED illumination System, the main method adopted has: the spacing of adjustment LED; Reasonable increasing LED and metal core printed board spacing; Hole knockout; Provided with fan.These methods are subject to the impact of many objective condition in actual applications, and radiating effect is not very desirable.
Semiconductor refrigerating, also known as thermoelectric cooling, is the Peltier effect utilizing semi-conducting material.When the galvanic couple that direct current is connected into by two kinds of different semi-conducting materials, heat can be absorbed at the two ends of galvanic couple respectively and release heat, the object of freezing can be realized.It is a kind of Refrigeration Technique producing negative thermal resistance, is characterized in movement-less part, and reliability is also higher.Utilize the mode of semiconductor refrigerating to solve the heat dissipation problem of LED illumination System, there is very high practical value.
Such as application number is the radiator control system of " 201210503278.1 ".Along with the development of science and technology, increasing electronic product such as notebook etc. is all tending towards miniaturized, conveniently the carrying of people, but bring and also there are some problems easily simultaneously, the heat dissipation problem of electronic product, if electronic product is in the too high state of temperature for a long time, so the performance of product will decline, even cause danger, and the life-span of electronic product can be reduced.Radiator control system, comprises CPU and power supply, and described power supply is connected with CPU, and described control system comprises heat dissipation equipment, temperature sensor and computer control end.Radiator control system of the present invention, structure is simple, utilizes real time temperature sensor in monitoring system to carry out rotating speed control to motor, additional display circuit, can realize radiator rotating speed and change along with ambient temperature change, operate very simple and convenient.Although this invention also plays thermolysis, radiating mode and effect need to be further improved.
And for example application number is a kind of cooling control method of " 201310017887.0 ", be applied to some server cabinets, wherein be provided with some servers in each server cabinet, some blower modules are used for dispelling the heat to these server cabinets, and this cooling control method comprises the steps: to detect the current value that each power output end exports corresponding server rack to; The current value exported according to this power output end obtains the parameter of corresponding control signal; Export have to should parameter control signal to corresponding blower module.This invention cooling control method avoids and controls corresponding rotation speed of the fan by temperature sensor and increase the deficiency of server manufacturing cost.Although this invention also plays thermolysis, radiating mode and effect need to be further improved.
Summary of the invention
Technical problem to be solved by this invention provides a kind of movement-less part for the deficiency of background technology and the also high cooling control system applying to solar LED illumination device of reliability, utilize the mode of semiconductor refrigerating to solve the heat dissipation problem of LED illumination System, there is very high practical value.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of cooling control system applying to solar LED illumination device, comprise lighting device and the cooling control system for controlling lighting device heat radiation, described cooling control system comprises and is arranged on the semiconductor refrigerating module on lighting device and the micro-control module with semiconductor refrigerating model calling, described micro-control module also connects temperature detecting unit, display unit and for providing the power module of electric energy needed for this system, and described micro-control module comprises control unit and data processing unit;
Wherein, semiconductor refrigerating module, for reducing the heat that lighting device produces;
Temperature detecting unit, for detecting the temperature of illumination device surface in real time;
Display unit, for the temperature of the illumination device surface that real-time displays temperature detecting unit detects;
Data processing unit, carries out aggregation process for the temperature detected by temperature detecting unit, and then result is transferred to control unit;
Control unit, for the result uploaded according to data processing unit, controls the opening and closing of semiconductor refrigerating module.
As a kind of further preferred version applying to the cooling control system of solar LED illumination device of the present invention, described power module connects a solar energy tabula rasa, for solar energy being produced electric energy for this system and be stored to power module.
As a kind of further preferred version applying to the cooling control system of solar LED illumination device of the present invention, described semiconductor cooling device is TEC1-12703 type semiconductor chilling plate.
As a kind of further preferred version applying to the cooling control system of solar LED illumination device of the present invention, described micro-control module is AVR single chip.
As a kind of further preferred version applying to the cooling control system of solar LED illumination device of the present invention, described lighting device is LED group.
As a kind of further preferred version applying to the cooling control system of solar LED illumination device of the present invention, described temperature detecting unit is DS18B20 temperature sensor.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, structure is simple, movement-less part, reliability are also higher;
2, cold-producing medium is not used, thus No leakage, environmentally safe;
3, speed of action is fast, reliable operation, and long service life is easy to control, easy to adjust, regulates refrigerating capacity by regulating operating current size; Also the direction by switch current changes its duty of freezing or heating;
4, the present invention has the features such as power self-support, energy-conserving and environment-protective, long service life.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, a kind of cooling control system applying to solar LED illumination device, comprise lighting device and the cooling control system for controlling lighting device heat radiation, described cooling control system comprises and is arranged on the semiconductor refrigerating module on lighting device and the micro-control module with semiconductor refrigerating model calling, described micro-control module also connects temperature detecting unit, display unit and for providing the power module of electric energy needed for this system, and described micro-control module comprises control unit and data processing unit;
Wherein, semiconductor refrigerating module, for reducing the heat that lighting device produces;
Temperature detecting unit, for detecting the temperature of illumination device surface in real time;
Display unit, for the temperature of the illumination device surface that real-time displays temperature detecting unit detects;
Data processing unit, carries out aggregation process for the temperature detected by temperature detecting unit, and then result is transferred to control unit;
Control unit, for the result uploaded according to data processing unit, controls the opening and closing of semiconductor refrigerating module.
Wherein, described power module connects a solar energy tabula rasa, for solar energy being produced electric energy for this system and be stored to power module, described semiconductor cooling device is TEC1-12703 type semiconductor chilling plate, described micro-control module is AVR single chip, described lighting device is LED group, and described temperature detecting unit is DS18B20 temperature sensor.
Theoretical according to semiconductor refrigerating, apply a DC voltage at semiconductor refrigeration system two ends and will produce a DC current, this can make TEC one end heating other end refrigeration.We claim the one end generated heat to be " hot junction ", and one end of refrigeration is " cold junction ", and the polarity of voltage at TEC two ends is exchanged, and electric current is by reverse flow, and " hot junction " and " cold junction " also will exchange.TEC is as the Cooling and Heat Source in semiconductor refrigerating application, and its operation has invertibity, both can be used for freezing, may be used for again heating.For the actual conditions solving solar LED illuminating system heat dissipation problem, we select the High Performance SCM ADUC824 of high integration as control core, complete the control to semiconductor cooler by software programming.
Utilize direct current heat just can be made to be transmitted to cryogenic object by high temp objects by PN junction, the flow direction changing electric current just can realize the conversion freezed and heat very easily.The problem of environmental pollution caused because of refrigrant leakage need not be considered with semiconductor refrigerating, and whole system welding pipeline.It is arranged mutually by many N-types and P-type semiconductor particle to form, and be connected with general conductor between N-P and form a complete line, normally copper, aluminium or other metallic conductors, finally picks up with two panels potsherd.After connecting dc source, electronics, by negative pole, first through P-type semiconductor, absorbs heat at this, arrive N-type semiconductor, again heat has been released, often through a N-P module, just have heat by be sent to other while, cause the temperature difference, thus form cold and hot end.
The cold junction of semiconductor refrigeration system is arranged in solar LED illumination device, hot junction is placed on illuminator outside, it directly can be contacted with external environment condition.Again at positioned inside temperature sensor of illuminator, controller and temperature sampling instrument can obtain the temperature of illuminator inside in real time by temperature sensor.Finally, by airtight good for the illuminator installing semiconductor refrigeration system and temperature sensor, object makes it not by externally temperature influence.First allow illuminator work 30 minutes, recording internal temperature is 69.3 DEG C, at this moment allows semiconductor refrigeration system start working, and through the refrigeration of 15 minutes, finds that the temperature of illuminator inside reduces to 39 DEG C.Experiment proves, semiconductor refrigeration system can solve the heat dissipation problem of solar LED illumination device well.
AVR single chip has prefetched instruction function, namely when an execution instruction, in advance next instruction is got into, and call instruction can be performed within a clock cycle; Multiple accumulator type, data processing speed is fast; AVR single chip has 32 general purpose working registers, and being equivalent to has 32 viaducts, can fast passing; Response time is fast.AVR single chip has multiple fixing interrupt vector entry address, can respond interruption fast; AVR single chip power consumption is low.For typical power consumption situation, be 100nA when WDT closes, be more suitable for battery powered application apparatus; Minimum 1.8 V of some devices get final product work; AVR single chip security performance is good.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, makes a variety of changes under can also or else departing from the prerequisite of present inventive concept.
Claims (6)
1. one kind applies to the cooling control system of solar LED illumination device, it is characterized in that: comprise lighting device and the cooling control system for controlling lighting device heat radiation, described cooling control system comprises and is arranged on the semiconductor refrigerating module on lighting device and the micro-control module with semiconductor refrigerating model calling, described micro-control module also connects temperature detecting unit, display unit and for providing the power module of electric energy needed for this system, and described micro-control module comprises control unit and data processing unit;
Wherein, semiconductor refrigerating module, for reducing the heat that lighting device produces;
Temperature detecting unit, for detecting the temperature of illumination device surface in real time;
Display unit, for the temperature of the illumination device surface that real-time displays temperature detecting unit detects;
Data processing unit, carries out aggregation process for the temperature detected by temperature detecting unit, and then result is transferred to control unit;
Control unit, for the result uploaded according to data processing unit, controls the opening and closing of semiconductor refrigerating module.
2. a kind of cooling control system applying to solar LED illumination device according to claim 1, is characterized in that: described power module connects a solar energy tabula rasa, for solar energy being produced electric energy for this system and be stored to power module.
3. a kind of cooling control system applying to solar LED illumination device according to claim 1, is characterized in that: described semiconductor cooling device is TEC1-12703 type semiconductor chilling plate.
4. a kind of cooling control system applying to solar LED illumination device according to claim 1, is characterized in that: described micro-control module is AVR single chip.
5. a kind of cooling control system applying to solar LED illumination device according to claim 1, is characterized in that: described lighting device is LED group.
6. a kind of cooling control system applying to solar LED illumination device according to claim 1, is characterized in that: described temperature detecting unit is DS18B20 temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410621214.0A CN104390198A (en) | 2014-11-06 | 2014-11-06 | Heat dissipation control system applied to solar LED (Light-Emitting Diode) illuminating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410621214.0A CN104390198A (en) | 2014-11-06 | 2014-11-06 | Heat dissipation control system applied to solar LED (Light-Emitting Diode) illuminating device |
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| CN104390198A true CN104390198A (en) | 2015-03-04 |
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| CN201410621214.0A Pending CN104390198A (en) | 2014-11-06 | 2014-11-06 | Heat dissipation control system applied to solar LED (Light-Emitting Diode) illuminating device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025634A (en) * | 2015-07-31 | 2015-11-04 | 苏州宏展信息科技有限公司 | LED lamp tube heat dissipation control system |
| CN105072748A (en) * | 2015-07-31 | 2015-11-18 | 苏州宏展信息科技有限公司 | LED lamp tube heat dissipation control system based on low-noise amplifier |
| CN105188186A (en) * | 2015-07-31 | 2015-12-23 | 苏州宏展信息科技有限公司 | LED lamp tube heat dissipation control system with charge control |
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| CN105025634A (en) * | 2015-07-31 | 2015-11-04 | 苏州宏展信息科技有限公司 | LED lamp tube heat dissipation control system |
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Application publication date: 20150304 |