CN114126141A - Lamp color temperature adjusting method and device - Google Patents
Lamp color temperature adjusting method and device Download PDFInfo
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- CN114126141A CN114126141A CN202010874458.5A CN202010874458A CN114126141A CN 114126141 A CN114126141 A CN 114126141A CN 202010874458 A CN202010874458 A CN 202010874458A CN 114126141 A CN114126141 A CN 114126141A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
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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
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to a lamp color temperature adjusting method, which comprises the steps of initializing a basic color temperature gear of each month and initializing a basic temperature range grade corresponding to each month; acquiring current month data M, and further determining a basic color temperature gear Pi and a basic temperature range grade Tj corresponding to the month data M; detecting and acquiring the current temperature T, further determining the temperature range grade Tx corresponding to the temperature T in T, and adjusting the color temperature gear of the lamp on the basis of the basic temperature range grade Tj according to the grade difference between Tx and Tj, thereby realizing the adjustment of the color temperature of the lamp. The invention also relates to a lamp color temperature adjusting device which is electrically connected with a lamp with a cold light lamp and a warm light lamp, and comprises a controller, and a clock chip, a lamp driving chip and a temperature sensor which are electrically connected with the controller, wherein the lamp driving chip is electrically connected with the lamp. The lamp color temperature adjusting method and device can be used for accurately adjusting the color temperature of the lamp by combining the change of seasons and temperature.
Description
Technical Field
The invention relates to the technical field of intelligent lighting, in particular to a lamp color temperature adjusting method and a lamp color temperature adjusting device.
Background
With the development of technology and economy, the demands of people on household appliances are gradually changed from functional demands to comfort demands, the requirements of users on illuminating lamps on the household appliances are also changed from the previous simple illuminating function, and the users hope to provide some personalized demands, such as the color temperature of the illuminating lamps can be adjusted, and the lights with different color temperatures can bring different feelings to people in different seasons. In summer, the cold light can bring cool feeling; in winter, the light of the warm color system can bring warm feeling to people.
The utility model discloses a chinese utility model patent of authorizing publication No. CN203015205U (application No. 201220660778.1) 'an intelligent control polychrome temperature LED lamps and lanterns', the LED polychrome temperature lamps and lanterns that wherein disclose can provide the illumination light of different colour temperatures in different seasons or different time, and then utilize the colour temperature of light to convey different sense organ feelings.
The patent of "an LED lamp for adjusting light and color temperature" of Chinese utility model with the publication number of CN209930581U (application number of 201920673458.1) discloses an LED lamp for adjusting light and color temperature, which can adjust the appropriate color temperature according to the temperature of the external environment.
But the LED lamp that can carry out the colour temperature at present all adjusts according to single variable, and in practical application, in same season, the difference in temperature also can be great relatively, only carries out the unable accurate impression demand that satisfies people of colour temperature adjustment of LED lamp according to a variable.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a method for adjusting a color temperature of a lamp, which can adjust the color temperature of the lamp more accurately in combination with changes in seasons and temperatures.
A second technical problem to be solved by the present invention is to provide a lamp color temperature adjusting device capable of adjusting the color temperature of a lamp to more match the environmental experience, aiming at the above prior art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a lamp color temperature adjusting method is characterized in that: initializing a color temperature gear data group P of the lamp as [ P1, P2, … …, Pi, … … Pm ]; initializing a temperature range grade data set T ═ T1, T2, … …, Tj, … … Tn ], wherein i, j, m and n are natural numbers, i is more than 1 and less than or equal to m, and j is more than 1 and less than or equal to n;
initializing a basic color temperature gear of each month, and initializing a basic temperature range grade corresponding to each month;
acquiring current month data M, and further determining a basic color temperature gear Pi and a basic temperature range grade Tj corresponding to the month data M;
detecting and acquiring the current temperature T, further determining the temperature range grade Tx corresponding to the temperature T in T, and adjusting the color temperature gear of the lamp on the basis of the basic temperature range grade Tj according to the grade difference between Tx and Tj, thereby realizing the adjustment of the color temperature of the lamp.
In order to avoid overlarge difference between the color temperature of the lamp and the seasonal experience, a month corresponding to each season is set, and a corresponding color temperature gear adjusting range is set for each season;
after the month data M are acquired, the season to which the month data M belong is confirmed, and then the temperature range grade Tx corresponding to the temperature t is determined, and then the color temperature gear of the lamp is adjusted in the color temperature gear adjusting range of the corresponding season.
In order to realize more accurate adjustment of color temperature so as to better match the color temperature and the environment, and optimize the feeling of a user on the color temperature of the lamp, different color temperature gear adjustment amounts are set for different temperature range grade intervals in the color temperature gear adjustment range of corresponding seasons for each month.
More humanized, according to the favorite setting of the cold color temperature of the user, on the basis of the color temperature gear after the current lamp is adjusted, the color temperature gear of the lamp is continuously adjusted towards the cold color temperature direction according to the set gear difference;
and continuously adjusting the color temperature gear of the lamp in the warm color temperature direction according to the set gear difference on the basis of the color temperature gear adjusted by the current lamp according to the warm color temperature favorite setting of the user.
Preferably, the number of color temperature steps of the lamp is the same as the number of months, and a different basic color temperature step Pi is correspondingly set for each month.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the utility model provides a lamps and lanterns colour temperature adjusting device, is connected its characterized in that with the lamps and lanterns electricity that have cold light lamp and warm light lamp: the intelligent lamp comprises a controller, a clock chip, a lamp driving chip and a temperature sensor, wherein the clock chip, the lamp driving chip and the temperature sensor are respectively electrically connected with the controller, and the lamp driving chip is electrically connected with a lamp.
In order to facilitate the manual adjustment of the color temperature of the lamp according to the preference of a user, the lamp further comprises an adjusting piece electrically connected with the controller.
Compared with the prior art, the invention has the advantages that: the lamp color temperature adjusting device can detect the ambient temperature by using the lamp color temperature adjusting method on the basis of adjusting the lamp color temperature by considering seasonal factors, and further adjust the color temperature of the lamp, so that the color temperature of the lamp can be better matched with the environment, and the user experience is better.
Drawings
Fig. 1 is a flowchart of a lamp color temperature adjusting method according to an embodiment of the invention.
Fig. 2 is a block diagram of a lamp color temperature adjusting device according to an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The lamp color temperature adjusting method in the embodiment can be realized through the lamp color temperature adjusting device. As shown in fig. 2, the color temperature adjusting device of the lamp in this embodiment is electrically connected to the lamp having the cold light lamp and the warm light lamp, and performs multi-stage adjustment of color temperature by controlling the cold light lamp and the warm light lamp. The lamp color temperature adjusting device comprises a controller 1, a clock chip 2, a lamp driving chip 3 and a temperature sensor 4, wherein the clock chip 2, the lamp driving chip 3 and the temperature sensor 4 are respectively electrically connected with the controller 1, and the lamp driving chip 3 is electrically connected with a lamp. In order to facilitate the user to manually adjust the color temperature of the lamp according to the preference of the user, the lamp color temperature adjusting device further comprises an adjusting piece 5 electrically connected with the controller, and the user can adjust the color temperature of the lamp by operating the adjusting piece 5 until the color temperature is adjusted to the color temperature which is considered to be comfortable by the user.
In the device for adjusting color temperature of a lamp in this embodiment, the controller 1 may utilize the time information of the clock chip 2, and further utilize a control method in the prior art to automatically adjust the color temperature of the lamp only according to the time information. For example, the color temperature of the lamp can be adjusted to a cold light state in the season of high temperature, and the color temperature of the lamp can be adjusted to a warm light state in the season of low temperature. The controller 1 can also automatically adjust the color temperature of the lamp by directly using the temperature data acquired by the temperature sensor 4 by using a control method in the prior art.
Aforementioned lamps and lanterns driver chip 3 can select the lamps and lanterns driver chip who uses current various adaptations, can set up a driver chip respectively to cold light lamp and warm light lamp in this embodiment, and the controller can export the drive control signal of different PWM duty cycles to driver chip, and each driver chip drives cold light lamp and warm light lamp respectively according to the control signal of controller and carries out work, and then makes lamps and lanterns present the colour temperature of different gears.
In the present embodiment, the warm color lamp is an LED lamp having a color temperature of 2700K and including light sources having a CRI90 or more, and the cold color lamp is an LED lamp having a color temperature of 6500K and including light sources having a CRI90 or more.
In the lamp in this embodiment, when the warm color lamps are all turned on and the cold color lamps are all turned off, the lamp displays warm color lamps having a composite color temperature of 2700K. And when the cold color lamps are all turned on and the warm color lamps are all turned off, the lamp displays the cold color lamp light with the comprehensive color temperature of 6500K.
The lamplight with different color temperatures between 2700K and 6500K can be adjusted through the driving control signals with different PWM duty ratios. In this embodiment, the color temperature is divided into 12 steps, and the PWM duty ratios for controlling the cold light lamp and the warm light lamp are shown in table 1.
TABLE 1
The color temperature values corresponding to different color temperature steps are shown in table 2.
TABLE 2
| P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 |
| 2700K | 3000K | 3300K | 3500K | 3800K | 4000K | 4300K | 4600K | 5000K | 5500K | 6000K | 6500K |
In this embodiment, a method for adjusting the color temperature of a lamp according to seasonal changes and real-time temperature conditions is mainly described in detail.
As shown in fig. 1, the method for adjusting the color temperature of the lamp is as follows.
Initializing a color temperature gear data group P of the lamp as [ P1, P2, … …, Pi, … … Pm ]; and the initialization temperature range grade data set T ═ T1, T2, … …, Tj, … … Tn ], wherein i, j, m and n are natural numbers, i is more than 1 and less than or equal to m, and j is more than 1 and less than or equal to n.
In this embodiment, the number of color temperature steps of the lamp is the same as the number of months, and the month is 12 months, then the number of color temperature steps of the corresponding lamp is 12 steps, that is, m in this embodiment is 12, and the specific color temperature step condition can refer to the foregoing table.
In the present embodiment, 9 levels are set for the temperature range level, that is, n is 9; specifically, the temperature range grade corresponding to the temperature T < 0 ℃ is T1; the temperature range grade corresponding to the temperature T between 0 ℃ and 5 ℃ is T2; the temperature range grade corresponding to T being more than or equal to 5 ℃ and less than 10 ℃ is T3; the temperature range grade with T being more than or equal to 10 ℃ and less than 15 ℃ is T4; the temperature range grade corresponding to the temperature T being more than or equal to 15 ℃ and less than 22 ℃ is T5; the temperature range grade corresponding to the temperature T between 22 ℃ and less than 28 ℃ is T6; the temperature range grade corresponding to the temperature T between 28 ℃ and 32 ℃ is T7; the temperature range grade corresponding to T being more than or equal to 32 ℃ and less than 36 ℃ is T8; the temperature range grade corresponding to the temperature T of more than or equal to 36 ℃ is T9.
Initializing a basic color temperature gear of each month, wherein in the embodiment, a different basic color temperature gear Pi is correspondingly set for each month; a base temperature range level is initialized for each month. And simultaneously acquiring current month data M, and further determining a basic color temperature gear Pi and a basic temperature range grade Tj corresponding to the month data M. In this embodiment, the basic color temperature shift corresponding to month 1 is P1, and the corresponding basic temperature range is T1. The basic color temperature shift position corresponding to the month 2 is P3, and the corresponding basic temperature range is T3. The basic color temperature shift corresponding to 3 months is P4, and the corresponding basic temperature range is T4. The basic color temperature shift position corresponding to month 4 is P5, and the corresponding basic temperature range is T5. The basic color temperature shift position corresponding to the month 5 is P6, and the corresponding basic temperature range is T6. The basic color temperature shift position corresponding to the 6 months is P10, and the corresponding basic temperature range is T7 in grade. The basic color temperature shift position corresponding to 7 months is P12, and the corresponding basic temperature range grade is T9. The basic color temperature shift position corresponding to month 8 is P11, and the corresponding basic temperature range is T8. The basic color temperature shift position corresponding to the 9 months is P9, and the corresponding basic temperature range is T6. The basic color temperature shift position corresponding to month 10 is P8, and the corresponding basic temperature range is T5. The basic color temperature shift position corresponding to the month 11 is P7, and the corresponding basic temperature range is T15. The basic color temperature shift position corresponding to 12 months is P2, and the corresponding basic temperature range is T2. Wherein 12 months, 1 month and 2 months belong to winter, 3 months, 4 months and 5 months belong to spring, 6 months, 7 months and 8 months belong to summer, and 9 months, 10 months and 11 months belong to autumn.
Detecting and acquiring the current temperature T, further determining the temperature range grade Tx corresponding to the temperature T in T, and adjusting the color temperature gear of the lamp on the basis of the basic temperature range grade Tj according to the grade difference between Tx and Tj, thereby realizing the adjustment of the color temperature of the lamp.
In order to avoid too large difference between the color temperature of the lamp and the seasonal experience, the month corresponding to each season is set, and the corresponding color temperature gear adjusting range is set for each season. In the embodiment, the unit adjusting range of the color temperature corresponding to spring is P1-P9, the unit adjusting range of the color temperature corresponding to summer is P1-P12, the unit adjusting range of the color temperature corresponding to autumn is P1-P11, and the unit adjusting range of the color temperature corresponding to winter is P1-P7. Therefore, the color temperature of the lamp can be effectively adjusted, and the phenomenon that the color temperature is changed too much to cause the reduction of comfort is avoided.
On the basis of the setting of the color temperature gear adjusting ranges corresponding to different seasons, after the month data M is acquired, the season to which the month data M belongs is confirmed, and then after the temperature range grade Tx corresponding to the temperature t is determined, the color temperature gear of the lamp is adjusted in the color temperature gear adjusting range of the corresponding season.
In order to realize more accurate adjustment of color temperature so as to better match the color temperature with the environment, and optimize the feeling of a user on the color temperature of a lamp, different color temperature gear adjustment amounts are set for different temperature range grade intervals in the color temperature gear adjustment range of corresponding seasons for each month. If the temperature T is in the temperature range level interval from T1 to T6 as for the case of time at 3 months, then the color temperature shift is adjusted to Pd according to the level difference D ═ x-j between Tx and Tj, where D ═ i + x-j. When the temperature T is in a temperature range grade interval from T7 to T9, the color temperature shift is adjusted to Pd according to the grade difference D of Tx and Tj, wherein D is equal to i + x-j-1. In order to achieve a better color temperature adjusting effect, different color temperature gear adjusting amounts are set for different temperature range grade intervals for each month, and therefore the lamp using the color temperature adjusting method can be better used in various places. The lamp color temperature adjustment result in this embodiment is shown in table 3.
TABLE 3
More humanized, according to the favorite setting of the cold color temperature of the user, on the basis of the color temperature gear after the current lamp is adjusted, the color temperature gear of the lamp is continuously adjusted towards the cold color temperature direction according to the set gear difference; and continuously adjusting the color temperature gear of the lamp in the warm color temperature direction according to the set gear difference on the basis of the color temperature gear adjusted by the current lamp according to the warm color temperature favorite setting of the user. But the adjustment can not be performed according to the adjustment gear difference set as required in the color temperature gear adjustment range of the corresponding season, so that the current color temperature gear is in the extreme value of the color temperature gear adjustment range of the corresponding season.
In addition, before initializing the basic color temperature gear of each month and initializing the basic temperature range grade corresponding to each month, whether the place selected to be used at the initial stage of product use is the southern hemisphere or the northern hemisphere can be determined, and then the basic color temperature gear and the basic temperature range grade are determined according to the place information. The data disclosed in table 3 apply to the southern hemisphere, which is the opposite of the southern hemisphere.
The lamp color temperature adjusting device can detect the ambient temperature by using the lamp color temperature adjusting method on the basis of adjusting the lamp color temperature by considering seasonal factors, and further adjust the color temperature of the lamp, so that the color temperature of the lamp can be better matched with the environment, and the user experience is better.
Claims (7)
1. A lamp color temperature adjusting method is characterized in that: initializing a color temperature gear data group P of the lamp as [ P1, P2, … …, Pi, … … Pm ]; initializing a temperature range grade data set T ═ T1, T2, … …, Tj, … … Tn ], wherein i, j, m and n are natural numbers, i is more than 1 and less than or equal to m, and j is more than 1 and less than or equal to n;
initializing a basic color temperature gear of each month, and initializing a basic temperature range grade corresponding to each month;
acquiring current month data M, and further determining a basic color temperature gear Pi and a basic temperature range grade Tj corresponding to the month data M;
detecting and acquiring the current temperature T, further determining the temperature range grade Tx corresponding to the temperature T in T, and adjusting the color temperature gear of the lamp on the basis of the basic temperature range grade Tj according to the grade difference between Tx and Tj, thereby realizing the adjustment of the color temperature of the lamp.
2. The lamp color temperature adjusting method according to claim 1, wherein: setting a month corresponding to each season, and setting a corresponding color temperature gear adjusting range for each season;
after the month data M are acquired, the season to which the month data M belong is confirmed, and then the temperature range grade Tx corresponding to the temperature t is determined, and then the color temperature gear of the lamp is adjusted in the color temperature gear adjusting range of the corresponding season.
3. The lamp color temperature adjusting method according to claim 2, wherein: and setting different color temperature gear adjustment amounts for different temperature range grade intervals in the color temperature gear adjustment range of the corresponding season for each month.
4. The method for adjusting the color temperature of a lamp according to any one of claims 1 to 3, wherein: according to the favorite setting of the cold color temperature of the user, on the basis of the adjusted color temperature gear of the current lamp, the color temperature gear of the lamp is continuously adjusted towards the cold color temperature direction according to the set gear difference;
and continuously adjusting the color temperature gear of the lamp in the warm color temperature direction according to the set gear difference on the basis of the color temperature gear adjusted by the current lamp according to the warm color temperature favorite setting of the user.
5. The method for adjusting the color temperature of a lamp according to any one of claims 1 to 3, wherein: the number of the color temperature gear bits of the lamp is the same as the number of months, and a different basic color temperature gear Pi is correspondingly set for each month.
6. The utility model provides a lamps and lanterns colour temperature adjusting device, is connected its characterized in that with the lamps and lanterns electricity that have cold light lamp and warm light lamp: the intelligent lamp comprises a controller (1), a clock chip (2), a lamp driving chip (3) and a temperature sensor (4), wherein the clock chip (2), the lamp driving chip (3) and the temperature sensor (4) are respectively electrically connected with the controller (1), and the lamp driving chip (3) is electrically connected with a lamp.
7. The device for adjusting the color temperature of a lamp according to claim 6, wherein: the device also comprises an adjusting piece (5) electrically connected with the controller.
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| CN202010874458.5A CN114126141B (en) | 2020-08-27 | 2020-08-27 | Lamp color temperature adjusting method |
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Cited By (1)
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| CN115802542A (en) * | 2022-11-21 | 2023-03-14 | 四川世纪和光科技发展有限公司 | Lamp changing along with seasons and control method of lamp |
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