CN204513049U - A kind of photovoltaic LED array simulation light source device - Google Patents
A kind of photovoltaic LED array simulation light source device Download PDFInfo
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- CN204513049U CN204513049U CN201520223707.9U CN201520223707U CN204513049U CN 204513049 U CN204513049 U CN 204513049U CN 201520223707 U CN201520223707 U CN 201520223707U CN 204513049 U CN204513049 U CN 204513049U
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- light source
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model relates to a kind of photovoltaic LED array simulation light source device, first when weather is good, utilizes the tone of the outdoor natural sunlight of toning card test, then according to the tone of natural daylight, finds out the warm colour LED of different wave length, combined; And in the outdoor environment of synchronization, mixing LED lamplight and natural daylight are compared, the tone of mixing LED lamplight and natural daylight are consistent; Finally the LED of these different warm light is contained on aluminium sheet, adds constant current driving device in importation, to ensure the service life of LED simultaneously; Further, the back side of aluminium sheet must add circulating water flow pipeline, to aluminium sheet heat radiation, to prevent LED overheated and to damage, even to occur larger security incident; And regulate the bright dark degree of the Current adjustment LED in controllable constant-current source, make analog light source imitate not sunshine in the same time; Finally, the irradiation sent with irradiation instrument and temperature sensor senses LED and temperature.
Description
Technical field
The utility model relates to photovoltaic analog light source, especially a kind of device utilizing LED array to design photovoltaic analog light source.
Background technology
Natural sunshine is because being subject to the impact of the factors such as solar distance, atmosphere, weather, time, and solar spectrum and irradiation intensity exist uncertain change.Solar simulator is test and the testing equipment of simulated solar irradiation Radiation Characteristics, utilize solar simulator, can at experiment lab simulation nature sunshine, can obtain stable, controlled simulated solar irradiation, the sky being widely used in spacecraft hears the field such as degradation of environmental simulation test, the detection of solar cell and demarcation, engineering material.
At present, artificial light source for simulated solar irradiation mainly distributes with solar spectrum the light sources such as comparatively close halogen tungsten lamp, xenon lamp, because of the restriction of its luminous former good jade, there is the defects such as Spectral matching precision is low, time stability is poor, system architecture is complicated, expensive, service life is short.
Halogen tungsten lamp is the halogen species by adding trace in inert gas in lamp, utilizes a kind of heat radiation light source that its chemical reaction is made.Halogen tungsten lamp is utilized to there is following problem as solar simulator light source: 1. low with solar spectrum fit; 2. narrow controlled output area; 3. Optical System Design complexity etc.
Xenon lamp is a kind of gas-discharge lamp, and under high-voltage pulse effect, gas generation avalanche process, forms stable arc discharge then.Utilize the solar simulator that xenon lamp designs, because the colour temperature of xenon lamp is about 6000K, photochromic close to sunshine, higher sunshine fit can be reached; Secondly, the speed of photoresponse of xenon lamp is fast, does not need preheating just can reach light stable and exports, can meet the design requirement that stable state turns over transient state two kinds of working methods simultaneously.Ideal in sunshine fit, but also there is following problem:: 1. drived control is complicated; 2. less stable; 3. optical system complexity etc.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of photovoltaic LED array simulation light source device, can be good at solving spectrum corresponding deficiency, optical design system complex, expensive and change the problems such as cost is high.
The utility model solves the technical scheme that its technical problem adopts: a kind of photovoltaic LED array simulation light source device, comprises multiple LED light source; Described LED light source is arranged on aluminium base according to array way; LED light source after arrangement forms multiple LED group; The equal connecting drive device of input of described each LED group; The back side of described aluminium base is provided with heat abstractor.
Wherein, drive unit described in the utility model is program control constant current driving device; To ensure the service life of LED.The input of described program control constant current driving device is connected with potential device; The output of program control constant current driving device connects LED group.
Heat abstractor described in the utility model is the water cooling pipeline being arranged on the aluminium base back side; The aluminium base back side is evenly distributed on after the multiple U-tube ending of described water composite cooling pipe route is connected.To aluminium sheet heat radiation, to prevent LED overheated and to damage, even to occur larger security incident.
Specifically, program control constant current driving device described in the utility model is made up of power supply, FET, diode, sample rate current resistance, electric capacity, inductance, LED light source and constant-current controller; The positive pole of described power supply is connected with the drain electrode of FET; The source electrode of FET, one end of inductance are connected with negative electrode three end of diode; The other end of inductance, one end of electric capacity are connected with the anode of multiple LED light source; One end of sample rate current resistance, the other end of electric capacity, the negative electrode of multiple LED light source is connected with one end of constant-current controller; The negative terminal of power supply, the anode of diode are connected with the other end of sampling resistor; The other end of constant-current controller is connected with the control gate of FET.
The temperature produced to prevent analog light source is on the low side or irradiation is higher, and the power of LED light source described in the utility model is 1 ~ 3 watt.
LED light source described in the utility model comprises red, orange, yellow, green, blue, blue, purple look; LED light source carries out arrayed according to the arrangement mode of seven glories, and described array way is: LED light source is arranged in multiple circle according to the order of red, orange, yellow, green, blue, blue, purple successively, and outmost turns is red light source, and innermost circle is purple light source; The center distance of the LED light source after all arrangements is 0.8 ~ 1.2cm; Wherein the circle number of turns of the light source of each colour system is at least a circle; The LED light source of each described circle is controlled by same constant current driving device respectively.
Testing procedure is:
1) tone of the outdoor natural daylight of toning card test is utilized;
2) LED light source of multiple different wave length is selected according to the tone of natural daylight;
3) multiple LED light source arranged according to array way and carry out mixed light;
4) tone produced by the LED light source through mixed light and the tone of natural daylight compare, and the tone of the LED light source after mixed light and natural daylight are consistent.
The beneficial effects of the utility model are, solve the defect existed in background technology, have that spectrum is full-color, controllability good, stability is strong based on LED and the technical characteristic such as light output adjustable range is wide, adopt the LED of multiple different spectral power distribution to form area array light source, carry out simulated solar irradiation through the synthesis of optical system mixed light; This device adopts many group program controlled constant current sources to drive different LED groups, make the irradiation level of analog light source reliable and stable, regulate quick; By adjusting the drive current of each LED group, the distributional pattern of output spectrum can be realized easily, meeting the different requirements of spectrum matching degree when different field is applied; Use area array light source to replace xenon lamp, greatly can simplify optical system, effectively reduce the manufacturing cost of solar simulator; While guarantee service behaviour, greatly reduce cost improve cost performance, there is good practical value; And LED light declines little, long service life, good stability and easy to operate; Compared with xenon lamp, change conveniently and low price.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the theory diagram of the utility model device;
Fig. 2 is the circuit diagram of the utility model constant current driving device;
Fig. 3 is the array schematic diagram of the utility model LED light source;
Fig. 4 is the structural representation of heat abstractor of the present utility model.
Detailed description of the invention
With preferred embodiment, the utility model is described in further detail by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
Fig. 1 is the principle of device block diagram of the present embodiment.Comprising transforming portion, drive part, radiator portion and LED light source part.Annexation between each part mentioned above is: the output of potential device is connected to constant current driving device, after be transferred to LED matrix, wherein heat abstractor is connected with LED matrix.
The LED jockey that Fig. 2 is the constant current driving device of the present embodiment, Fig. 3 is the present embodiment and Fig. 4 are the heat abstractor of the present embodiment, and Fig. 2, Fig. 3 and Fig. 4 be the drive part of corresponding diagram 1, LED section and radiator portion respectively.
In Fig. 2, primarily of power supply E, FET S, diode D, sample rate current resistance r electric capacity C, LED and constant-current controller composition.The positive pole of power supply E is connected with the drain electrode of FET S; The source electrode of FET S, one end of inductance L are connected with negative electrode three end of diode D; The other end of inductance L, one end of electric capacity C are connected with the anode of multiple LED; One end of sample rate current resistance r, the other end of electric capacity C, the negative electrode of multiple LED is connected with one end of constant-current controller; The negative terminal of power supply E, the anode of diode are connected with the other end of sampling resistor; The other end of constant-current controller is connected with the control gate of FET S.Constant current driving device part utilizes embedded completing, chip used is STC12C5608AD, chip is converted to electric current and produces control signal driving FET S work after gathering the voltage of sampling resistor r, make constant current driving device output current reach stable state.
In Fig. 3, multiple LED arrays that the LED primarily of multiple 3W forms.The head and the tail of LED array are that the anode of multiple LED is connected and is connected with the negative electrode of multiple LED respectively.Centre is all be connected with the negative electrode of another LED by the anode of a LED.Concrete arrangement mode is: LED light source comprises red, orange, yellow, green, blue, blue, purple look; LED light source is arranged in multiple circle according to the order of red, orange, yellow, green, blue, blue, purple successively, and outmost turns is red light source, and innermost circle is purple light source; The center distance of the LED light source after all arrangements is 1cm;
Wherein the circle number of turns of the light source of each colour system is at least a circle; The actual number of turns is determined according to the size of photovoltaic LED array analog light source; As red LED light source has two circles, orange have two circles, and yellow has a circle, green has a circle, cyan has two circles, blueness has a circle, purple has two circles etc.; If wherein a certain colour system be greater than the number of turns one when enclosing, putting in order of light source is still purple according to innermost circle, and outmost turns is red arrangement, and namely two circle purples have arranged rear arrangement blue-light source; Blue-light source has arranged rear arrangement cyan light source, by that analogy.The LED light source of each circle connects a constant current driving device respectively and controls; And the LED light source of each circle is opened or closes simultaneously simultaneously.
Fig. 4 is the radiating part of this device.Add U-shaped pipeline 2 at the back side of aluminium sheet 1, U-shaped pipe interior diameter is 6cm.By the mode of water filling, form current.Be mainly LED array heat radiation.The direction of arrow in figure is water (flow) direction.
Operation principle and the course of work of the photovoltaic analog light source LED array of the present embodiment are summarized as follows:
The photovoltaic analog light source LED array device of the present embodiment, employing be the LED of 50 warm yellows.During use, first the heat abstractor at the LED group back side is opened and aluminium sheet is dispelled the heat; Secondly, LED array is right against photovoltaic battery panel; Again, switch on power, regulating constant stream controller, LED array is luminous; Finally, according to irradiation instrument and thermometer display result regulating constant stream controller, the parameter making LED array reach photovoltaic module test is measured.
The just detailed description of the invention of the present utility model described in above description, various illustrating is not construed as limiting flesh and blood of the present utility model, person of an ordinary skill in the technical field after having read description can to before described detailed description of the invention make an amendment or be out of shape, and do not deviate from essence and the scope of utility model.
Claims (6)
1. a photovoltaic LED array simulation light source device, is characterized in that: comprise multiple LED light source; Described LED light source is arranged on aluminium base according to array way; LED light source after arrangement forms multiple LED group; The equal connecting drive device of input of described each LED group; The back side of described aluminium base is provided with heat abstractor.
2. a kind of photovoltaic LED array simulation light source device as claimed in claim 1, is characterized in that: described drive unit is program control constant current driving device; The input of described program control constant current driving device is connected with potential device; The output of program control constant current driving device connects LED group.
3. a kind of photovoltaic LED array simulation light source device as claimed in claim 1, is characterized in that: described heat abstractor is the water cooling pipeline being arranged on the aluminium base back side; The aluminium base back side is evenly distributed on after the multiple U-tube ending of described water composite cooling pipe route is connected.
4. a kind of photovoltaic LED array simulation light source device as claimed in claim 2, is characterized in that: described program control constant current driving device is made up of power supply, FET, diode, sample rate current resistance, electric capacity, inductance, LED light source and constant-current controller; The positive pole of described power supply is connected with the drain electrode of FET; The source electrode of FET, one end of inductance are connected with negative electrode three end of diode; The other end of inductance, one end of electric capacity are connected with the anode of multiple LED light source; One end of sample rate current resistance, the other end of electric capacity, the negative electrode of multiple LED light source is connected with one end of constant-current controller; The negative terminal of power supply, the anode of diode are connected with the other end of sampling resistor; The other end of constant-current controller is connected with the control gate of FET.
5. a kind of photovoltaic LED array simulation light source device as claimed in claim 1, is characterized in that: the power of described LED light source is 1 ~ 3 watt.
6. a kind of photovoltaic LED array simulation light source device as claimed in claim 1, is characterized in that: described LED light source comprises red, orange, yellow, green, blue, blue, purple look; LED light source carries out arrayed according to the arrangement mode of seven glories, and described array way is: LED light source is arranged in multiple circle according to the order of red, orange, yellow, green, blue, blue, purple successively, and outmost turns is red light source, and innermost circle is purple light source; The center distance of the LED light source after all arrangements is 0.8 ~ 1.2cm; Wherein the circle number of turns of the light source of each colour system is at least a circle; The LED light source of each described circle is controlled by same constant current driving device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223707.9U CN204513049U (en) | 2015-04-14 | 2015-04-14 | A kind of photovoltaic LED array simulation light source device |
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| CN201520223707.9U CN204513049U (en) | 2015-04-14 | 2015-04-14 | A kind of photovoltaic LED array simulation light source device |
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| CN204513049U true CN204513049U (en) | 2015-07-29 |
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| CN201520223707.9U Expired - Fee Related CN204513049U (en) | 2015-04-14 | 2015-04-14 | A kind of photovoltaic LED array simulation light source device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294726A (en) * | 2020-02-24 | 2021-08-24 | 深圳市瑞梓光电科技有限公司 | Lamp set |
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2015
- 2015-04-14 CN CN201520223707.9U patent/CN204513049U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294726A (en) * | 2020-02-24 | 2021-08-24 | 深圳市瑞梓光电科技有限公司 | Lamp set |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20200414 |