CN105025634A - LED lamp tube heat dissipation control system - Google Patents
LED lamp tube heat dissipation control system Download PDFInfo
- Publication number
- CN105025634A CN105025634A CN201510460531.3A CN201510460531A CN105025634A CN 105025634 A CN105025634 A CN 105025634A CN 201510460531 A CN201510460531 A CN 201510460531A CN 105025634 A CN105025634 A CN 105025634A
- Authority
- CN
- China
- Prior art keywords
- module
- control system
- lamp tube
- semiconductor
- led lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses an LED lamp tube heat dissipation control system. The LED lamp tube heat dissipation control system comprises a lamp tube, wherein the lamp tube is provided with a microcontroller module, and a semiconductor refrigeration module, a temperature sensor, a display module and a power supply module which are connected with the microcontroller module; the semiconductor refrigeration module comprises a semiconductor hot end, a P type semiconductor, an N type semiconductor and a semiconductor cold end which are connected in sequence; and an analog to digital conversion circuit and an amplifying circuit which are connected in sequence are arranged between the temperature sensor and the microcontroller module. No refrigerant is used, so that leakage is avoided, and environmental pollution is prevented. The LED lamp tube heat dissipation control system has the advantages of high acting speed, working reliability, long service life, easiness in control, convenience in adjustment and capability of regulating the refrigeration capability through regulation of the magnitude of working current. Moreover, the refrigeration or heating working state can be changed through switching of a current direction.
Description
Technical field
The present invention relates to a kind of cooling control system, particularly relate to a kind of LED lamp tube cooling control system, belong to radiating control 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 that the present invention of " 201210503278.1 " relates to radiator control system.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 transducer in supervisory control 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 LED lamp tube cooling control system for the deficiency of background technology.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of LED lamp tube cooling control system, comprises fluorescent tube, the semiconductor refrigerating module, temperature sensor, display module and the power module that described fluorescent tube are provided with micro controller module and are connected with micro controller module; Described semiconductor refrigerating module comprise connect successively semiconductor hot junction, P type semiconductor, N type semiconductor and semiconductor cold junction; The analog to digital conversion circuit connected successively and amplifying circuit is provided with between described temperature sensor and micro controller module;
Described amplifying circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, the output of analog to digital conversion circuit connects one end of the first resistance and the second resistance respectively, the other end of the second resistance connects the positive pole of amplifier chip, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, the voltage output end of amplifier chip connects the input of micro controller module;
Wherein, semiconductor refrigerating module, for reducing the heat that fluorescent tube produces;
Temperature sensor, for detecting the temperature in fluorescent tube in real time;
Display module, for showing the temperature in the fluorescent tube of transducer detection in real time;
Micro controller module, controls the opening and closing of semiconductor refrigerating module for temperature in the fluorescent tube that detects in real time according to temperature sensor.
As the further preferred version of a kind of LED lamp tube of the present invention cooling control system, described micro controller module adopts AVR series monolithic.
As the further preferred version of a kind of LED lamp tube of the present invention cooling control system, the chip model of described temperature sensor is DS18B20.
As the further preferred version of a kind of LED lamp tube of the present invention cooling control system, described display module adopts LCD display.
As the further preferred version of a kind of LED lamp tube of the present invention cooling control system, the chip model of analog-digital conversion circuit as described is TMS320LF240.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, structure of the present invention is simple, movement-less part, reliability are also higher; Do not use cold-producing medium, thus No leakage, environmentally safe; 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 operating state of freezing or heating; 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;
Amplifying circuit circuit diagram of the present invention during Fig. 2.
Embodiment
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 LED lamp tube cooling control system, comprises fluorescent tube, the semiconductor refrigerating module, temperature sensor, display module and the power module that described fluorescent tube are provided with micro controller module and are connected with micro controller module; Described semiconductor refrigerating module comprise connect successively semiconductor hot junction, P type semiconductor, N type semiconductor and semiconductor cold junction; The analog to digital conversion circuit connected successively and amplifying circuit is provided with between described temperature sensor and micro controller module;
As shown in Figure 2, described amplifying circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, the output of analog to digital conversion circuit connects one end of the first resistance and the second resistance respectively, the other end of the second resistance connects the positive pole of amplifier chip, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, the voltage output end of amplifier chip connects the input of micro controller module;
Wherein, semiconductor refrigerating module, for reducing the heat that fluorescent tube produces;
Temperature sensor, for detecting the temperature in fluorescent tube in real time;
Display module, for showing the temperature in the fluorescent tube of transducer detection in real time;
Micro controller module, controls the opening and closing of semiconductor refrigerating module for temperature in the fluorescent tube that detects in real time according to temperature sensor.
Wherein, described micro controller module adopts AVR series monolithic, and the chip model of described temperature sensor is DS18B20, and described display module adopts LCD display, and the chip model of analog-digital conversion circuit as described is TMS320LF240.
Theoretical according to semiconductor refrigerating, apply a direct voltage at semiconductor refrigeration system two ends and will produce a direct 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 power supply, 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 execution mode, 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 (5)
1. a LED lamp tube cooling control system, comprises fluorescent tube, it is characterized in that: the semiconductor refrigerating module, temperature sensor, display module and the power module that on described fluorescent tube, are provided with micro controller module and are connected with micro controller module; Described semiconductor refrigerating module comprise connect successively semiconductor hot junction, P type semiconductor, N type semiconductor and semiconductor cold junction; The analog to digital conversion circuit connected successively and amplifying circuit is provided with between described temperature sensor and micro controller module;
Described amplifying circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, the output of analog to digital conversion circuit connects one end of the first resistance and the second resistance respectively, the other end of the second resistance connects the positive pole of amplifier chip, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, the voltage output end of amplifier chip connects the input of micro controller module;
Wherein, semiconductor refrigerating module, for reducing the heat that fluorescent tube produces;
Temperature sensor, for detecting the temperature in fluorescent tube in real time;
Display module, for showing the temperature in the fluorescent tube of transducer detection in real time;
Micro controller module, controls the opening and closing of semiconductor refrigerating module for temperature in the fluorescent tube that detects in real time according to temperature sensor.
2. a kind of LED lamp tube cooling control system according to claim 1, is characterized in that: described micro controller module adopts AVR series monolithic.
3. a kind of LED lamp tube cooling control system according to claim 1, is characterized in that: the chip model of described temperature sensor is DS18B20.
4. a kind of LED lamp tube cooling control system according to claim 1, is characterized in that: described display module adopts LCD display.
5. a kind of LED lamp tube cooling control system according to claim 1, is characterized in that: the chip model of analog-digital conversion circuit as described is TMS320LF240.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510460531.3A CN105025634A (en) | 2015-07-31 | 2015-07-31 | LED lamp tube heat dissipation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510460531.3A CN105025634A (en) | 2015-07-31 | 2015-07-31 | LED lamp tube heat dissipation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105025634A true CN105025634A (en) | 2015-11-04 |
Family
ID=54415224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510460531.3A Pending CN105025634A (en) | 2015-07-31 | 2015-07-31 | LED lamp tube heat dissipation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105025634A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351786A (en) * | 2015-11-23 | 2016-02-24 | 海宁市新宇光能科技有限公司 | Production equipment of LED filament lamp |
| CN108287515A (en) * | 2018-01-11 | 2018-07-17 | 广东海信家电有限公司 | A kind of control circuit and electric heater |
| CN109578956A (en) * | 2018-12-20 | 2019-04-05 | 桂林电子科技大学 | A kind of heat management system for LED illumination lamp |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1492551A (en) * | 2003-09-30 | 2004-04-28 | 清华大学 | Digital intelligent temperature control method and temperature control semiconductor laser |
| CN102801104A (en) * | 2012-08-09 | 2012-11-28 | 武汉博激世纪科技有限公司 | System for realizing bidirectional temperature control on laser based on full-bridge controller |
| CN203105035U (en) * | 2012-12-30 | 2013-07-31 | 西宁天谷农牧科技有限公司 | Semiconductor heat radiation device applied to photovoltaic controller |
| CN103391054A (en) * | 2013-07-08 | 2013-11-13 | 吴江市同心电子科技有限公司 | Ultra wideband high-gain low-noise amplifier |
| WO2014101614A1 (en) * | 2012-12-26 | 2014-07-03 | 宁波婷微电子科技有限公司 | Temperature-controlled semiconductor refrigeration apparatus |
| CN104390198A (en) * | 2014-11-06 | 2015-03-04 | 无锡悟莘科技有限公司 | Heat dissipation control system applied to solar LED (Light-Emitting Diode) illuminating device |
| CN204241995U (en) * | 2014-11-20 | 2015-04-01 | 陕西亚泰电器科技有限公司 | A kind of infant incubator temperature control system |
-
2015
- 2015-07-31 CN CN201510460531.3A patent/CN105025634A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1492551A (en) * | 2003-09-30 | 2004-04-28 | 清华大学 | Digital intelligent temperature control method and temperature control semiconductor laser |
| CN102801104A (en) * | 2012-08-09 | 2012-11-28 | 武汉博激世纪科技有限公司 | System for realizing bidirectional temperature control on laser based on full-bridge controller |
| WO2014101614A1 (en) * | 2012-12-26 | 2014-07-03 | 宁波婷微电子科技有限公司 | Temperature-controlled semiconductor refrigeration apparatus |
| CN203105035U (en) * | 2012-12-30 | 2013-07-31 | 西宁天谷农牧科技有限公司 | Semiconductor heat radiation device applied to photovoltaic controller |
| CN103391054A (en) * | 2013-07-08 | 2013-11-13 | 吴江市同心电子科技有限公司 | Ultra wideband high-gain low-noise amplifier |
| CN104390198A (en) * | 2014-11-06 | 2015-03-04 | 无锡悟莘科技有限公司 | Heat dissipation control system applied to solar LED (Light-Emitting Diode) illuminating device |
| CN204241995U (en) * | 2014-11-20 | 2015-04-01 | 陕西亚泰电器科技有限公司 | A kind of infant incubator temperature control system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351786A (en) * | 2015-11-23 | 2016-02-24 | 海宁市新宇光能科技有限公司 | Production equipment of LED filament lamp |
| CN108287515A (en) * | 2018-01-11 | 2018-07-17 | 广东海信家电有限公司 | A kind of control circuit and electric heater |
| CN108287515B (en) * | 2018-01-11 | 2020-07-14 | 广东海信家电有限公司 | Control circuit and electric water heater |
| CN109578956A (en) * | 2018-12-20 | 2019-04-05 | 桂林电子科技大学 | A kind of heat management system for LED illumination lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2831423Y (en) | Active radiator of large-scale integrated chip | |
| CN105351899A (en) | LED heat-dissipating device adopting semiconductor refrigerating plate and phase change materials | |
| CN104062990A (en) | Noise reduction and temperature control system based on semiconductor refrigeration mechanism | |
| CN105025634A (en) | LED lamp tube heat dissipation control system | |
| CN102299614A (en) | Semiconductor-refrigeration-based inverter radiating system | |
| CN107544333A (en) | A kind of automation data intelligent monitor system based on mobile internet-of-things terminal | |
| CN102176377A (en) | Method for controlling temperature of electrolytic capacitor and temperature-controllable electrolytic capacitor using same | |
| CN104390198A (en) | Heat dissipation control system applied to solar LED (Light-Emitting Diode) illuminating device | |
| CN105072748A (en) | LED lamp tube heat dissipation control system based on low-noise amplifier | |
| CN205283711U (en) | Automatic intelligent monitoring system based on web | |
| CN105188186A (en) | LED lamp tube heat dissipation control system with charge control | |
| CN104792060B (en) | Heat abstractor, motor and air conditioner | |
| CN203099371U (en) | Medical LED lighting device | |
| CN201606700U (en) | Novel LED illuminator | |
| CN204259262U (en) | A kind of overtemperature protection module of LED actuation temperature warning circuit | |
| CN201054362Y (en) | Focusing LED electronic cooling device | |
| CN207504916U (en) | A kind of Internet of Things automated data intelligent monitor system | |
| CN207422161U (en) | A kind of automation data intelligent monitor system | |
| CN207281523U (en) | A kind of automation data intelligent monitor system based on mobile internet-of-things terminal | |
| CN107023912B (en) | Photovoltaic semiconductor refrigeration air conditioner and energy supply method and device of photovoltaic air conditioner | |
| CN105208751A (en) | Configuration management generation tool software system based on WEB configuration | |
| CN203421874U (en) | Semiconductor-type vehicle-mounted refrigerator with temperature capable of being regulated and displayed | |
| CN202261069U (en) | Inverter cooling system based on semiconductor refrigeration | |
| CN210959244U (en) | Control cabinet | |
| CN203746005U (en) | Case cooling and temperature monitoring device based on stirling engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151104 |
|
| RJ01 | Rejection of invention patent application after publication |