CN102612193A - Self-correcting method of LED (light emitting diode) lamp and LED lamp with self-correcting function - Google Patents
Self-correcting method of LED (light emitting diode) lamp and LED lamp with self-correcting function Download PDFInfo
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- CN102612193A CN102612193A CN2011100217999A CN201110021799A CN102612193A CN 102612193 A CN102612193 A CN 102612193A CN 2011100217999 A CN2011100217999 A CN 2011100217999A CN 201110021799 A CN201110021799 A CN 201110021799A CN 102612193 A CN102612193 A CN 102612193A
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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
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- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The invention discloses a self-correcting method of an LED (light emitting diode) lamp and aims at providing a self-correcting method of the LED lamp, by which the LED driving current can be adjusted automatically according to light attenuation so as to enable the brightness of the LED lamp not to be weakened basically. The self-correcting method comprises the following steps: according to a junction temperature of an LED, determining a light attenuation curve corresponding to the junction temperature of the LED, and constructing the function of the light attenuation and time according to the relationship between the light attenuation of the light attenuation curve and time; constructing the function of the LED driving current and time according to the function of the light attenuation and time, and strengthening the LED driving current with the reinforcement of the light attenuation; and automatically adjusting the LED driving current of the LED lamp according to the function of the LED driving current and the function based on the accumulated using time of the LED lamp. The invention also provides an LED lamp with the self-correcting function. The self-correcting method can be used for various LED lamps.
Description
Technical field
The present invention relates to a kind of LED lamp, especially relate to a kind of automatic correcting method of LED lamp and have the LED lamp of self-correcting function.
Background technology
Existing LED lamp all is to design the back with fixing current drives usually, because there is light decay in LED itself, after use a period of time; The light efficiency of whole LED lamp will reduce, and the LED lamp is slowly deepening also, thereby causes the lifetime of LED lamp; Make the cost performance of LED lamp lower, maintenance cost is higher.
Summary of the invention
The present invention is in order to solve LED lamp slowly deepening of meeting after use a period of time that prior art LED lamp exists light decay to cause owing to LED itself; Cause the lifetime of LED lamp; The cost performance of LED lamp reduces; The maintenance cost technical problems of high provides a kind of automatic correcting method of LED lamp and has had the LED lamp of self-correcting function.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts comprises the following steps: for the automatic correcting method of a kind of LED lamp of design
A, confirm the light decay curve that it is corresponding according to the junction temperature of LED, and the function that makes up a light decay and time according to the light decay and the time relation of light decay curve;
B, make up a LED drive current and the function of time, and the LED drive current is increased with the increase of light decay according to the function of light decay and time;
C, LED lamp are adjusted the size of LED drive current service time automatically according to said LED drive current and the function of time according to the accumulative total of LED lamp.
The step that also comprises the life-span of a planning LED lamp before the said A step; The maximum of the time parameter of the function of the function of said light decay and time and LED drive current and time is all got the life-span of LED lamp.
The life-span of said LED lamp is the life-span of LED driving power or the designed life of LED lamp.
Said structure one LED drive current and the function step of time also comprise confirms that at first LED uses the preceding LED initial current and the LED ultimate current of LED lamp life time point, and then makes up LED drive current and the function of time according to said LED initial current and LED ultimate current.
The light decay decision of the luminous flux of LED lamp and this time point before said initial current uses according to LED, said LED ultimate current is according to the light decay decision of luminous flux and this time point of the LED lamp of LED lamp life time point.
The present invention also provides a kind of LED lamp with self-correcting function, comprises the LED that places in the LED lamp, and said LED lamp also comprises the current drives regulating system that is connected with said LED, and said current drives regulating system comprises:
One time counter, the accumulative total service time of its calculating and output LED lamp;
One is built-in with the current regulating module of the function of LED drive current and time; It links to each other with time counter and output links to each other with LED; Said current regulating module is obtained the accumulative total service time of said time counter, and adjusts the size of LED drive current service time automatically according to built-in LED drive current and the function of time according to accumulative total; The function of said LED drive current and time is by at first confirming the light decay curve that LED is corresponding according to the junction temperature of LED; And the function that makes up a light decay and time according to the light decay and the time relation of light decay curve; And then make up according to the function of light decay and time and to form, and the LED drive current increases with the increase of light decay.
The maximum of the time parameter of the function of the function of said light decay and time and LED drive current and time is all got the life-span of LED lamp.
Said time counter also includes the said accumulative total of the storage memory of service time, and said memory links to each other with current regulating module.
Said structure LED drive current and the function of time also comprise confirms that at first LED uses the preceding LED initial current and the LED ultimate current of LED lamp life time point, and then makes up LED drive current and the function of time according to said LED initial current and LED ultimate current.
The light decay decision of the luminous flux of LED lamp and this time point before said initial current uses according to LED, said LED ultimate current is according to the light decay decision of luminous flux and this time point of the LED lamp of LED lamp life time point
The present invention is through earlier confirming the light decay curve that it is corresponding according to the junction temperature of LED, and the function that makes up a light decay and time according to the light decay and the time relation of light decay curve; Function according to light decay and time makes up a LED drive current and the function of time again, and the LED drive current is increased with the increase of light decay; And then make the LED lamp adjust the size of LED drive current service time automatically according to said LED drive current and the function of time according to the accumulative total of LED lamp.Because the present invention adopts the aging curve of LED own as standard, adjust the size of LED drive current according to the corresponding relation of time, thereby change because the light efficiency that the light decay of LED itself causes changes; Remedied the defective of LED itself, thereby made that the life-span of LED is longer, therefore; The brightness of LED lamp is unattenuated basically; The life-span of LED lamp is also elongated, and the cost performance of LED lamp raises, and maintenance cost reduces.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the present invention is elaborated, wherein:
Fig. 1 is the automatic correcting method flow chart of LED lamp of the present invention;
Fig. 2 is the schematic diagram that the present invention has the LED lamp of self-correcting function.
Embodiment
See also Fig. 1, the automatic correcting method of LED lamp of the present invention comprises the following steps:
The life-span of step 1, planning LED lamp
Can be according to the life-span of LED driving power or the life-span of confirming the LED lamp designed life of LED lamp.
Step 2, confirm the light decay curve that it is corresponding, and make up light decay and the function of time according to the light decay curve according to the junction temperature of LED
Because the light decay curve of different LED is different, and the junction temperature of LED is not simultaneously, its light decay curve is also different, thereby, behind the selected LED, confirm the light decay curve that this LED is corresponding according to the junction temperature of LED.Because the light decay curve is the curve chart of a light decay and time, and generally in time growth, the light decay of LED increases gradually, therefore, and the function that can make up a light decay and time according to the light decay and the time relation of light decay curve.The junction temperature of LED can obtain according to technical manual or prior art knowledge, and this embodiment repeats no more.
Under the situation in the life-span of having confirmed the LED lamp in advance, can only make up before using light decay and the function of time in the life time section of LED lamp, promptly the maximum of the time parameter of the function of light decay and time is got the life-span of LED lamp.
Step 3, make up a LED drive current and the function of time according to the function of light decay and time
Because along with the growth of time, the light decay of LED increases, and therefore, the LED drive current is increased with the increase of light decay.
When making up LED drive current and the function of time; Can be earlier confirm initial current and the LED ultimate current of LED, and then make up LED drive current and the function of time according to LED initial current, LED ultimate current and the function of light decay and time according to the light decay of the luminous flux of the needs of LED lamp and LED.The light decay decision of the luminous flux of LED lamp and this time point before initial current uses according to LED, the LED ultimate current is according to the light decay decision of luminous flux and this time point of the LED lamp of LED lamp life time point.
Step 4, LED lamp are adjusted the size of LED drive current service time automatically according to the function of LED drive current and time according to the accumulative total of LED lamp
The accumulative total of LED lamp can obtain through a time counter service time.
See also Fig. 2, the LED lamp that the present invention has self-correcting function comprises the LED and the current drives regulating system that is connected with LED that places in the lamp.Power supply is through current drives regulating system rear drive LED.The current drives regulating system is used for driving LED, and it comprises time counter and the current regulating module that is connected with time counter.Wherein, time counter is used to calculate and export the accumulative total service time of LED lamp.Include in the time counter and be used to store the accumulative total memory of service time, memory links to each other with current regulating module.Current regulating module is built-in with the function of LED drive current and time; Its output links to each other with LED; The accumulative total service time of current regulating module acquisition time counter, and according to the size that adds up to adjust automatically according to built-in LED drive current and the function of time service time the LED drive current.
The LED drive current can be obtained by following mode with the function of time: at first confirm the light decay curve that LED is corresponding according to the junction temperature of LED; And the function that makes up a light decay and time according to the light decay and the time relation of light decay curve; And then make up according to the function of light decay and time and to form, and the LED drive current increases with the increase of light decay.
It is following to make up light decay and the function flow process of time: earlier according to the life-span of LED driving power or the life-span of confirming the LED lamp designed life of LED lamp.Confirm the light decay curve that it is corresponding according to the junction temperature of LED again, and make up light decay and the function of time according to the light decay curve.Because the light decay curve of different LED is different, and the junction temperature of LED is not simultaneously, its light decay curve is also different, thereby, behind the selected LED, confirm the light decay curve that this LED is corresponding according to the junction temperature of LED.Because the light decay curve is the curve chart of a light decay and time, and generally in time growth, the light decay of LED increases gradually, therefore, and the function that can make up a light decay and time according to the light decay and the time relation of light decay curve.The junction temperature of LED can obtain according to technical manual or prior art knowledge, and this embodiment repeats no more.Under the situation in the life-span of having confirmed the LED lamp in advance, can only make up before using light decay and the function of time in the life time section of LED lamp, promptly the maximum of the time parameter of the function of light decay and time is got the life-span of LED lamp.
It is following to make up LED drive current and the function flow process of time: owing to the growth along with the time, the light decay of LED increases, and therefore, the LED drive current is increased with the increase of light decay.When making up LED drive current and the function of time; Can be earlier confirm initial current and the LED ultimate current of LED, and then make up LED drive current and the function of time according to LED initial current, LED ultimate current and the function of light decay and time according to the light decay of the luminous flux of the needs of LED lamp and LED.The light decay decision of the luminous flux of LED lamp and this time point before initial current uses according to LED, the LED ultimate current is according to the light decay decision of luminous flux and this time point of the LED lamp of LED lamp life time point.
Current regulating module adjustment LED can adjust through the PWM mode; It can set the drive current of whenever just adjusting a LED at a distance from a time interval; As will be before use be divided into branch such as N at interval to this time period in life-span of LED lamp, whenever just adjusting once during time corresponding point to next interval.
Because the present invention adopts the aging curve of LED own as standard, adjust the size of LED drive current according to the corresponding relation of time, thereby change because the light efficiency that the light decay of LED itself causes changes; Remedied the defective of LED itself, thereby made that the life-span of LED is longer, therefore; The brightness of LED lamp is unattenuated basically; The life-span of LED lamp is also elongated, and the cost performance of LED lamp raises, and maintenance cost reduces.
Claims (10)
1. the automatic correcting method of a LED lamp is characterized in that comprising the following steps:
A, confirm the light decay curve that it is corresponding according to the junction temperature of LED, and the function that makes up a light decay and time according to the light decay and the time relation of light decay curve;
B, make up a LED drive current and the function of time, and the LED drive current is increased with the increase of light decay according to the function of light decay and time;
C, LED lamp are adjusted the size of LED drive current service time automatically according to said LED drive current and the function of time according to the accumulative total of LED lamp.
2. the automatic correcting method of LED lamp according to claim 1 is characterized in that: the step that also comprises the life-span of a planning LED lamp before the said A step; The maximum of the time parameter of the function of the function of said light decay and time and LED drive current and time is all got the life-span of LED lamp.
3. the automatic correcting method of LED lamp according to claim 2 is characterized in that: the life-span of said LED lamp is the life-span of LED driving power or the designed life of LED lamp.
4. the automatic correcting method of LED lamp according to claim 2; It is characterized in that: said structure one LED drive current and the function step of time also comprise confirms that at first LED uses the preceding LED initial current and the LED ultimate current of LED lamp life time point, and then makes up LED drive current and the function of time according to said LED initial current and LED ultimate current.
5. the automatic correcting method of LED lamp according to claim 4; It is characterized in that: the light decay decision of the luminous flux of LED lamp and this time point before said initial current uses according to LED, said LED ultimate current is according to the light decay decision of luminous flux and this time point of the LED lamp of LED lamp life time point.
6. LED lamp with self-correcting function comprises the LED that places in the LED lamp, it is characterized in that: said LED lamp also comprises the current drives regulating system that is connected with said LED, and said current drives regulating system comprises:
One time counter, the accumulative total service time of its calculating and output LED lamp;
One is built-in with the current regulating module of the function of LED drive current and time; It links to each other with time counter and output links to each other with LED; Said current regulating module is obtained the accumulative total service time of said time counter, and adjusts the size of LED drive current service time automatically according to built-in LED drive current and the function of time according to accumulative total; The function of said LED drive current and time is by at first confirming the light decay curve that LED is corresponding according to the junction temperature of LED; And the function that makes up a light decay and time according to the light decay and the time relation of light decay curve; And then make up according to the function of light decay and time and to form, and the LED drive current increases with the increase of light decay.
7. the LED lamp with self-correcting function according to claim 6 is characterized in that: the life-span that the maximum of the time parameter of the function of said light decay and time and the function of LED drive current and time is all got the LED lamp.
8. the LED lamp with self-correcting function according to claim 6 is characterized in that: said time counter also includes the said accumulative total of the storage memory of service time, and said memory links to each other with current regulating module.
9. the LED lamp with self-correcting function according to claim 7; It is characterized in that: said structure LED drive current and the function of time also comprise confirms that at first LED uses the preceding LED initial current and the LED ultimate current of LED lamp life time point, and then makes up LED drive current and the function of time according to said LED initial current and LED ultimate current.
10. the LED lamp with self-correcting function according to claim 9; It is characterized in that: the light decay decision of the luminous flux of LED lamp and this time point before said initial current uses according to LED, said LED ultimate current is according to the light decay decision of luminous flux and this time point of the LED lamp of LED lamp life time point.
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| CN2011100217999A CN102612193A (en) | 2011-01-19 | 2011-01-19 | Self-correcting method of LED (light emitting diode) lamp and LED lamp with self-correcting function |
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| CN2011100217999A CN102612193A (en) | 2011-01-19 | 2011-01-19 | Self-correcting method of LED (light emitting diode) lamp and LED lamp with self-correcting function |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440844A (en) * | 2013-08-16 | 2013-12-11 | 西安诺瓦电子科技有限公司 | LED lamp panel, LED box body and LED display screen |
| 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 |
| CN105657918A (en) * | 2016-04-08 | 2016-06-08 | 上海复展智能科技股份有限公司 | Red light compensating circuit for mixing of white light LEDs and red light LEDs and compensating method |
| CN105810119A (en) * | 2014-12-29 | 2016-07-27 | 深圳市奥拓光电科技有限公司 | LED lamp box luminous attenuation compensation method and LED lamp box with luminous attenuation compensation function |
| CN107610641A (en) * | 2017-11-03 | 2018-01-19 | 深圳市联诚发科技股份有限公司 | A kind of LED display corrects intelligent apparatus and method automatically |
| CN110310595A (en) * | 2018-03-27 | 2019-10-08 | 上海和辉光电有限公司 | A kind of the service life backoff algorithm and device of organic electroluminescent device OLED |
| CN111918441A (en) * | 2020-07-24 | 2020-11-10 | 上海亚明照明有限公司 | LED illumination self-constant control method and system, storage medium and device |
| CN114333708A (en) * | 2021-11-30 | 2022-04-12 | 北京德为智慧科技有限公司 | Display brightness obtaining method, automatic adjusting method and related equipment |
| CN116017829A (en) * | 2022-12-30 | 2023-04-25 | 亚翔***集成科技（苏州）股份有限公司 | Dust-free room lamp service life monitoring method |
| CN117793988A (en) * | 2024-02-26 | 2024-03-29 | 国网浙江综合能源服务有限公司 | Road lighting lamp regulation and control method, device, equipment, medium and product |
| CN107610641B (en) * | 2017-11-03 | 2024-05-10 | 深圳市联诚发科技股份有限公司 | Automatic correction intelligent device and method for LED display screen |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392875A (en) * | 2008-10-22 | 2009-03-25 | 北京巨数数字技术开发有限公司 | LED backlight system |
| CN101765272A (en) * | 2010-01-13 | 2010-06-30 | 惠州雷士光电科技有限公司 | LED (light emitting diode) optical attenuation compensating method and realizing circuit thereof |
| KR101003686B1 (en) * | 2008-11-07 | 2010-12-23 | 삼성전기주식회사 | LED illumination system |
-
2011
- 2011-01-19 CN CN2011100217999A patent/CN102612193A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392875A (en) * | 2008-10-22 | 2009-03-25 | 北京巨数数字技术开发有限公司 | LED backlight system |
| KR101003686B1 (en) * | 2008-11-07 | 2010-12-23 | 삼성전기주식회사 | LED illumination system |
| CN101765272A (en) * | 2010-01-13 | 2010-06-30 | 惠州雷士光电科技有限公司 | LED (light emitting diode) optical attenuation compensating method and realizing circuit thereof |
Non-Patent Citations (1)
| Title |
|---|
| WWW.360DOC.COM: "《360doc 个人图书馆》", 23 September 2010, article "《LED寿命的预测》" * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103440844A (en) * | 2013-08-16 | 2013-12-11 | 西安诺瓦电子科技有限公司 | LED lamp panel, LED box body and LED display screen |
| CN105810119A (en) * | 2014-12-29 | 2016-07-27 | 深圳市奥拓光电科技有限公司 | LED lamp box luminous attenuation compensation method and LED lamp box with luminous attenuation compensation function |
| 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 |
| CN105657918A (en) * | 2016-04-08 | 2016-06-08 | 上海复展智能科技股份有限公司 | Red light compensating circuit for mixing of white light LEDs and red light LEDs and compensating method |
| CN107610641A (en) * | 2017-11-03 | 2018-01-19 | 深圳市联诚发科技股份有限公司 | A kind of LED display corrects intelligent apparatus and method automatically |
| CN107610641B (en) * | 2017-11-03 | 2024-05-10 | 深圳市联诚发科技股份有限公司 | Automatic correction intelligent device and method for LED display screen |
| CN110310595A (en) * | 2018-03-27 | 2019-10-08 | 上海和辉光电有限公司 | A kind of the service life backoff algorithm and device of organic electroluminescent device OLED |
| CN111918441A (en) * | 2020-07-24 | 2020-11-10 | 上海亚明照明有限公司 | LED illumination self-constant control method and system, storage medium and device |
| CN114333708A (en) * | 2021-11-30 | 2022-04-12 | 北京德为智慧科技有限公司 | Display brightness obtaining method, automatic adjusting method and related equipment |
| CN116017829A (en) * | 2022-12-30 | 2023-04-25 | 亚翔***集成科技（苏州）股份有限公司 | Dust-free room lamp service life monitoring method |
| CN117793988A (en) * | 2024-02-26 | 2024-03-29 | 国网浙江综合能源服务有限公司 | Road lighting lamp regulation and control method, device, equipment, medium and product |
| CN117793988B (en) * | 2024-02-26 | 2024-05-14 | 国网浙江综合能源服务有限公司 | Road lighting lamp regulation and control method, device, equipment, medium and product |
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Application publication date: 20120725 Assignee: Shenzhen Konka Video System Engineering Co., Ltd. Assignor: Konka Group Co., Ltd. Contract record no.: 2012440020426 Denomination of invention: Self-correcting method of LED (light emitting diode) lamp and LED lamp with self-correcting function License type: Exclusive License Record date: 20121226 |
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Application publication date: 20120725 |