CN203533285U - LED (light emitting diode) lamp with light attenuation automatic compensation and temperature automatic compensation functions - Google Patents
LED (light emitting diode) lamp with light attenuation automatic compensation and temperature automatic compensation functions Download PDFInfo
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- CN203533285U CN203533285U CN201320697912.XU CN201320697912U CN203533285U CN 203533285 U CN203533285 U CN 203533285U CN 201320697912 U CN201320697912 U CN 201320697912U CN 203533285 U CN203533285 U CN 203533285U
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Abstract
The utility model discloses an LED (light emitting diode) lamp with light attenuation automatic compensation and temperature automatic compensation functions. The LED lamp comprises an LED lamp body, an optic sensor module, a first temperature sensor module and an LED light attenuation compensation driving power supply, wherein the LED lamp body, the optic sensor module and the first temperature sensor module are respectively connected with the LED light attenuation compensation driving module. The LED lamp is characterized in that the optic sensor module and the first temperature sensor module can automatically collect the light flux, the color display index, the color temperature, the temperature and the like, of the LED lamp, the mode of the collected information is converted, one part of information is stored by a data storage, the other part of information is transmitted to an LED driving digital power-supply single body, and the power supply single body controls the size of duty ratio of an LED driving switch tube according to the signals, so as to freely adjust the size of output current, control the strength of LED lamp light emitting brightness, and realize the light attenuation compensation of the LED lamp, thereby prolonging the service life of the LED lamp.
Description
Technical field
The utility model belongs to LED technical field of lamps, is specifically related to the LED light fixture of a kind of automatic light-attenuation compensation function and temperature self-compensation.
Background technology
LED light source is acknowledged as 21 century lighting source most with prospects, the advantages such as its environmental protection, the life-span is long, energy-conservation, reliability is high, light efficiency is good, volume is little, make the relatively traditional incandescent lamp of LED light source, fluorescent lamp, electricity-saving lamp etc. have larger application prospect.Along with the deep application of LED illumination, decorative light-source, people require more and more higher to the comfort level of LED optical illumination, Experience Degree.
Although the relative conventional lamp of LED light fixture has suitable advantage, undeniable its also has some shortcomings in present stage.Some shortcomings of prior art are, LED lamp is along with the time of lighting is longer and environment temperature is higher, and the luminous flux that it sends and colour rendering index can diminish, and colour temperature can be offset, and has also seriously reduced the service life of LED under high temperature.Occur that this problem is that at different temperature, the life-span of lamp pearl is different because LED lamp pearl is than more sensitive to the variation of temperature, high temperature can cause the sharply increase of light decay, causes light dimmed, and impact is used.
Utility model content
The purpose of this utility model is as solving the deficiencies in the prior art, design the LED light fixture of a kind of automatic light-attenuation compensation function and temperature self-compensation, its output current of reasonably adjusting power supply by changing ground is controlled the light decay of LED light fixture, can reach the effect that increases substantially LED lamp life.
For realizing the technical scheme that the purpose of this utility model adopts, be: the LED light fixture of a kind of automatic light-attenuation compensation function and temperature self-compensation, comprise LED lamp main body, optical sensor module, the first temperature sensor module and LED automatic light-attenuation compensation function driving power, described LED lamp main body, optical sensor module and the first temperature sensor module are connected with LED automatic light-attenuation compensation function driving power respectively; Optical sensor module is for detection of the illumination information of LED lamp main body, and the first temperature sensor module is for detection of the temperature information of LED lamp main body;
LED automatic light-attenuation compensation function driving power, comprises that digital-to-analogue/analog-to-digital conversion module, data storage and LED drive digital power monomer, and data memory module drives digital power monomer to be connected with digital-to-analogue/analog-to-digital conversion module respectively with LED; Digital-to-analogue/analog-to-digital conversion module drives digital power monomer for the analog signal receiving being converted to digital data transmission to data memory module and LED.
The technical solution of the utility model, optical sensor module and the first temperature sensor module can gather the luminous flux of LED lamp automatically, colour rendering index, the information such as colour temperature and temperature, the information collecting, after pattern conversion, by data storage, stored on the one hand, be transferred on the other hand LED and drive digital power monomer, power supply single is controlled the size of the dutycycle of LED driving switch pipe according to these signals, to adjust at any time the size of output current, reach the power of controlling LED lamp luminosity, realize the attenuation compensation of LED lamp, thereby reach, improve the LED lamp beneficial effect in service life.
As the further improvement of this programme, described LED automatic light-attenuation compensation function driving power also comprises the second temperature sensor module, and the second temperature sensor module is connected with digital-to-analogue/analog-to-digital conversion module, and for detection of LED, drives the temperature information of digital power monomer.
As the further improvement of this programme, described LED automatic light-attenuation compensation function driving power is located at inside or the outside of LED lamp main body.
LED light fixture of the present utility model, with respect to prior art, has been gathered optical sensing, temperature measurement and control technology, modulus conversion technique and digital power control technology, and it is simple and reasonable, can greatly carry the service life of enough LED light fixtures.
Accompanying drawing explanation
Fig. 1 is the structural framing connection diagram of the utility model embodiment
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further:
As shown in Figure 1, the LED light fixture of automatic light-attenuation compensation function of the present utility model and temperature self-compensation, it comprises LED lamp main body 1, optical sensor module 3, the first temperature inductor module 4 and LED automatic light-attenuation compensation function driving power 8, described LED automatic light-attenuation compensation function driving power 8 is connected with LED lamp main body 1, for power supply support being provided to LED lamp main body 1.
Described optical sensor module 3 is in illumination information such as the luminous flux of monitoring LED lamp main body 1, colour temperature, colour rendering indexs; Described the first temperature sensor module 4 is for monitoring the temperature of LED lamp main body 1.
Described optical sensor module and 3 first temperature sensor module 4 are connected on LED automatic light-attenuation compensation function driving power 8, and the signal monitoring is transferred to LED automatic light-attenuation compensation function driving power 8.
Described LED automatic light-attenuation compensation function driving power 8, it has comprised that LED drives digital power monomer 2, digital-to-analogue/analog-to-digital conversion module 7, data storage 6 and the second temperature sensor module 5.
The second temperature sensor module 5 is for monitoring the temperature conditions of LED automatic light-attenuation compensation function driving power 8 inside.
Described optical sensor module 3, the first temperature sensor module 4 and the second temperature sensor module 5 are transferred to the signal detecting (analog signal) after LED automatic light-attenuation compensation function driving power 8, by the digital-to-analogue/analog-to-digital conversion module 7 that is positioned at LED automatic light-attenuation compensation function driving power inside, received, and the signal receiving is converted to data signal, digital data transmission is driven to digital power monomer 2 and/or data storage 6 to LED.
LED drives digital power monomer 2 according to the signal receiving, to adjust the size of output current.
The signal that data storage 6 arrives for storing received, digital-to-analogue/analog-to-digital conversion module 7 can also be from data storage 6 reading information, and be transferred to LED and drive digital power monomer 2.
Data storage 6 when initial, its inner initial storage zero clearing.User is when turning on light, and optical sensor module 3 and the first temperature sensor module 4 gather the information such as luminous flux, colour rendering index, colour temperature and temperature of LED lamp automatically, and meanwhile, the second temperature sensor module 5 also can detect the temperature of power supply inside; The data that collect are on the one hand by data storage storage 6, be transferred on the other hand LED and drive digital power monomer 2, power supply is controlled the size of the dutycycle of LED driving switch pipe according to these signals, to adjust at any time the size of output current, reach the power of controlling LED lamp luminosity, realize the attenuation compensation of LED lamp, thereby reach, improve the LED lamp beneficial effect in service life.
In the art, the long-term work under rated current of LED light fixture, due to the life-span, can produce light decay gradually, and brightness meeting is more and more lower, can bring thus some disadvantageous changes of colour temperature, colour rendering index.Meanwhile, temperature is also a key factor that affects light decay.When light decay reaches 70%,, when the brightness of lamp is reduced to 70% when following of original state brightness, be no longer applicable to using, now we it has been generally acknowledged that this lamp life-span has reached terminal.The LED lamp acquiring a certain degree for light decay, as need improve its luminosity, can continue be applicable to use, and can consider to adopt the scheme of readjusting its operating current size to extend the life-span of lamp.
Gather power supply temperature, power supply can be built in light fixture simultaneously, then according to temperature, carries out the small adjustment of electric current, and temperature is remained within the scope of form.
Certain LED light fixture that the power of take is 21w is example, and setting its rated operational current is 450mA, and maximum operating currenbt is 700mA, and nominal light flux is 559lm.Take the time as standard, by detecting the temperature of luminous flux, colour rendering index and colour temperature and the LED etc. of LED lamp, according to the mode of following table, adjust electric current and guarantee light decay, life-extending.
| Sequence number | Time (hour) | Light decay | Electric current (mA) | Temperature | Dimming mode |
| 1 | 0 | 0.00% | 450 | 70 | Guarantee temperature |
| 2 | 1000 | 0.00% | 450 | 70 | Guarantee temperature |
| 3 | 2000 | 98.50% | 450 | 70 | Guarantee temperature |
| 4 | 3000 | 97.00% | 450 | 70 | Guarantee temperature |
| 5 | 4000 | 95.50% | 450 | 70 | Guarantee temperature |
| 6 | 5000 | 93.00% | 450 | 70 | Guarantee temperature |
| 7 | 6000 | 91.80% | 450 | 70 | Guarantee temperature |
| 8 | 7000 | 90.65% | 450 | 70 | Guarantee temperature |
| 9 | 8000 | 89.50% | 450 | 70 | Guarantee temperature |
| 10 | 9000 | 88.35% | 465 | 70.5 | Guarantee light decay |
| 11 | 10000 | 87.20% | 480 | 71 | Guarantee light decay |
| 12 | 11000 | 86.05% | 495 | 71.5 | Guarantee light decay |
| 13 | 12000 | 84.90% | 510 | 72 | Guarantee light decay |
| 14 | 13000 | 83.75% | 525 | 72.5 | Guarantee light decay |
| 15 | 14000 | 82.60% | 540 | 73 | Guarantee light decay |
| 16 | 15000 | 81.45% | 555 | 73.5 | Guarantee light decay |
| 17 | 16000 | 80.30% | 570 | 74 | Guarantee light decay |
| 18 | 17000 | 79.15% | 585 | 74.5 | Guarantee light decay |
| 19 | 18000 | 78.00% | 600 | 75 | Guarantee light decay |
| 20 | 19000 | 76.85% | 615 | 75.5 | Guarantee light decay |
| 21 | 20000 | 75.70% | 630 | 76 | Guarantee light decay |
| 22 | 21000 | 74.55% | 645 | 76.5 | Guarantee light decay |
| 23 | 22000 | 73.40% | 660 | 77 | Guarantee light decay |
| 24 | 23000 | 72.25% | 675 | 77.5 | Guarantee light decay |
| 25 | 24000 | 71.10% | 690 | 78 | Guarantee light decay |
| 26 | 25000 | 70.00% | 700 | 78.5 | Guarantee light decay |
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned embodiment.Therefore, the utility model is not limited to the specific embodiment disclosed and described above, to modifications and changes more of the present utility model, also should fall in the protection domain of claim of the present utility model.In addition,, although used some specific terms in this description, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (3)
1. the LED light fixture of an automatic light-attenuation compensation function and temperature self-compensation, it is characterized in that: comprise LED lamp main body, optical sensor module, the first temperature sensor module and LED automatic light-attenuation compensation function driving power, described LED lamp main body, optical sensor module and the first temperature sensor module are connected with LED automatic light-attenuation compensation function driving power respectively; Optical sensor module is for detection of the illumination information of LED lamp main body, and the first temperature sensor module is for detection of the temperature information of LED lamp main body;
LED automatic light-attenuation compensation function driving power comprises that digital-to-analogue/analog-to-digital conversion module, data storage and LED drive digital power monomer, and data memory module drives digital power monomer to be connected with digital-to-analogue/analog-to-digital conversion module respectively with LED; Digital-to-analogue/analog-to-digital conversion module drives digital power monomer for the analog signal receiving being converted to digital data transmission to data memory module and LED.
2. the LED light fixture of automatic light-attenuation compensation function according to claim 1 and temperature self-compensation, it is characterized in that: described LED automatic light-attenuation compensation function driving power also comprises the second temperature sensor module, the second temperature sensor module is connected with digital-to-analogue/analog-to-digital conversion module, drives the temperature information of digital power monomer for detection of LED.
3. the LED light fixture of automatic light-attenuation compensation function according to claim 1 and temperature self-compensation, is characterized in that: described LED automatic light-attenuation compensation function driving power is located at inside or the outside of LED lamp main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697912.XU CN203533285U (en) | 2013-11-06 | 2013-11-06 | LED (light emitting diode) lamp with light attenuation automatic compensation and temperature automatic compensation functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320697912.XU CN203533285U (en) | 2013-11-06 | 2013-11-06 | LED (light emitting diode) lamp with light attenuation automatic compensation and temperature automatic compensation functions |
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| CN203533285U true CN203533285U (en) | 2014-04-09 |
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| CN201320697912.XU Expired - Fee Related CN203533285U (en) | 2013-11-06 | 2013-11-06 | LED (light emitting diode) lamp with light attenuation automatic compensation and temperature automatic compensation functions |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221937A (en) * | 2014-06-20 | 2016-01-06 | 宁波舜宇光电信息有限公司 | Led light source |
| CN105357823A (en) * | 2015-11-19 | 2016-02-24 | 浙江瑞瀛物联科技有限公司 | Method for solving LED illumination decay |
| CN108337792A (en) * | 2018-03-29 | 2018-07-27 | 五羊—本田摩托（广州）有限公司 | A kind of controller and control method for the control of car light automatic sensing |
| CN108382507A (en) * | 2018-03-29 | 2018-08-10 | 五羊—本田摩托（广州）有限公司 | A kind of car light controller and control method being switched fast car light automatic control mode |
| CN112393885A (en) * | 2020-11-30 | 2021-02-23 | 宁波市奉化浩轩光电有限公司 | LED light-emitting system for automobile headlight and detection method of LED light-emitting system |
| CN113115751A (en) * | 2019-12-31 | 2021-07-16 | 杭州声能科技有限公司 | Multispectral moth-killing lamp in tea garden with forced heat exchange and light decay compensation functions |
-
2013
- 2013-11-06 CN CN201320697912.XU patent/CN203533285U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221937A (en) * | 2014-06-20 | 2016-01-06 | 宁波舜宇光电信息有限公司 | Led light source |
| CN105357823A (en) * | 2015-11-19 | 2016-02-24 | 浙江瑞瀛物联科技有限公司 | Method for solving LED illumination decay |
| CN108337792A (en) * | 2018-03-29 | 2018-07-27 | 五羊—本田摩托（广州）有限公司 | A kind of controller and control method for the control of car light automatic sensing |
| CN108382507A (en) * | 2018-03-29 | 2018-08-10 | 五羊—本田摩托（广州）有限公司 | A kind of car light controller and control method being switched fast car light automatic control mode |
| CN108382507B (en) * | 2018-03-29 | 2023-10-31 | 五羊—本田摩托（广州）有限公司 | Car lamp controller capable of rapidly switching car lamp automatic control modes and control method |
| CN108337792B (en) * | 2018-03-29 | 2024-03-12 | 五羊—本田摩托（广州）有限公司 | Controller and control method for automatic induction control of car lamp |
| CN113115751A (en) * | 2019-12-31 | 2021-07-16 | 杭州声能科技有限公司 | Multispectral moth-killing lamp in tea garden with forced heat exchange and light decay compensation functions |
| CN112393885A (en) * | 2020-11-30 | 2021-02-23 | 宁波市奉化浩轩光电有限公司 | LED light-emitting system for automobile headlight and detection method of LED light-emitting system |
| CN112393885B (en) * | 2020-11-30 | 2023-08-04 | 宁波市奉化浩轩光电有限公司 | LED lighting system for automobile headlight and detection method of LED lighting system |
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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: 20140409 Termination date: 20191106 |