WO2021167264A1

WO2021167264A1 - Health lighting device and method for controlling same

Info

Publication number: WO2021167264A1
Application number: PCT/KR2021/001196
Authority: WO
Inventors: 지동현; 장동진
Original assignee: 가톨릭대학교 산학협력단
Priority date: 2020-02-21
Filing date: 2021-01-29
Publication date: 2021-08-26
Also published as: KR102277885B1

Abstract

A health lighting device and a method for controlling same are provided. A health lighting device according to an embodiment of the present invention comprises: an LED lighting lamp, which comprises: a white light LED that emits white light, a first wavelength LED that emits first wavelength light, and a second wavelength LED that emits second wavelength light having a longer wavelength band than the first wavelength; a power supply unit for supplying power to the LED lighting lamp; a timer for counting time; a light quantity control unit for controlling the amount of the white light, the first wavelength light, and the second wavelength light by adjusting the supplied power; a control unit for controlling the light quantity control unit according to a pre-stored setting so that the mixing ratio of the white light, the first wavelength light, and the second wavelength light is controlled according to time; and a storage unit for storing the setting.

Description

Health lighting device and its control method

The present invention relates to a health lighting device and a method for controlling the same.

In general, myopia is an ophthalmic disease that only sees close distances, and is a disease that occurs and progresses during the student period, such as children or adolescents. When nearsightedness occurs, glasses or contact lenses must be worn. In severe myopia, complications such as glaucoma, macular degeneration or retinal detachment can occur. Recently, myopia among adolescents in Korea is increasing exponentially. This is a big health problem.

Although there are many causes of myopia, it has recently been found that low eye exposure to sunlight in children and adolescents is the most important cause. In particular, the influence on light of a specific wavelength among sunlight is high. Therefore, it is known that myopia can be prevented by artificially irradiating light of the corresponding wavelength.

However, conventional lighting lamps always emit light of a certain wavelength regardless of day or night. Therefore, lighting when studying indoors for adolescents with a large amount of indoor work has a negative effect on causing myopia.

On the other hand, circadian rhythm is highly related to health. In many recent studies, it has been reported that if the circadian rhythm is disrupted, the prevalence of cardiovascular disease or diabetes increases. It has been found that the circadian rhythm is also regulated according to the light exposed to the body and the wavelength of the light. Therefore, management of biological rhythms using lighting is required.

In order to solve the problems of the prior art as described above, an embodiment of the present invention is to provide a health lighting device capable of suppressing the occurrence and progression of myopia by controlling the amount of light of a specific wavelength over time, and a method for controlling the same .

Another aspect of the present invention is to provide a health lighting device capable of maintaining a constant biorhythm by adjusting a mixing ratio of a specific wavelength according to an installation location, an illuminance state, and an eye-related disease state, and a method for controlling the same.

However, the problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

According to one aspect of the present invention for solving the above problems, a white light LED emitting white light, a first wavelength LED emitting a first wavelength light, and a second wavelength light having a longer wavelength band than the first wavelength light LED lighting including a second wavelength LED that emits; a power supply unit for supplying power to the LED lighting; timer to count time; a light quantity adjusting unit which adjusts the amount of light of the white light, the first wavelength light, and the second wavelength light by adjusting the power supplied from the power supply unit; a control unit controlling the light amount adjusting unit according to a preset stored setting so that a mixing ratio of the white light, the first wavelength light, and the second wavelength light is adjusted according to the time; and a storage unit for storing the settings.

In an embodiment, the light of the first wavelength may be blue light, and the light of the second wavelength may be red light.

In an embodiment, the sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength is constant over time, the mixing ratio of the light of the first wavelength is high during the day, and the light of the second wavelength is mixed at night ratio can be high.

In an embodiment, the sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength may be the same as the mixing ratio of the white light.

In an embodiment, the health lighting device further includes an illuminance sensor detecting an amount of light of the first wavelength to the surroundings, and the controller is configured to control the amount of light of the first wavelength when the detected amount of light of the first wavelength is greater than a threshold value. The maximum shift amount may be decreased, and if it is less than the threshold value, it may be controlled to increase the maximum shift amount of the light of the first wavelength.

In an embodiment, the health lighting apparatus may further include an input unit for setting adjustment of the light quantity control unit, and the control unit may control the light quantity control unit according to a setting by the input unit.

In one embodiment, the control unit controls the sum of the mixing ratio of the first wavelength light and the second wavelength light to be lower than the mixing ratio of the white light when there is natural light and in the case of local lighting, and there is no natural light. In case of full illumination and in case of cataract, the sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength may be controlled to be higher than the mixing ratio of the white light.

In one embodiment, the sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength is the highest in the case of a cataract, the lowest in the case of natural light, sequentially in the case of no natural light, in the case of full illumination, and It can be higher in the case of local lighting.

According to another aspect of the present invention, as a method of controlling a lighting device, a white light LED emitting white light, a first wavelength LED emitting a first wavelength light, and a second wavelength light having a longer wavelength band than the first wavelength light Exploring the setting of the LED lighting including the second wavelength LED to emit; adjusting a mixing ratio of the white light, the first wavelength light, and the second wavelength light over time according to a pre-stored setting; and turning on the LED lighting lamp according to the adjusted mixing ratio.

In one embodiment, the control method of the health lighting device includes the steps of: detecting the amount of light of the first wavelength light with respect to the surroundings; comparing the detected amount of light of the first wavelength with a threshold value; reducing a maximum shift amount of the first wavelength light when the detected light amount of the first wavelength light is greater than a threshold value; and increasing the maximum shift amount of the light of the first wavelength when it is less than or equal to the threshold value.

In one embodiment, the control method of the health lighting device comprises: determining whether automatic setting; and, in the case of manual setting, receiving a setting for adjusting the amount of light of the white light, the first wavelength light, and the second wavelength light by an input unit, wherein the adjusting step is performed according to the input setting. The amount of light of the white light, the first wavelength light, and the second wavelength light may be adjusted.

In an embodiment, the adjusting includes adjusting the sum of the mixing ratio of the first wavelength light and the second wavelength light to be lower than the mixing ratio of the white light when there is natural light and in the case of local lighting, and natural light In this case, in case of total illumination and in case of cataract, the sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength may be adjusted to be higher than the mixing ratio of the white light.

A health lighting device and a method for controlling the same according to an embodiment of the present invention can suppress the progression of myopia by increasing the amount of blue light during the day and decreasing the amount of blue light at night. effective management of eye health.

In addition, the health lighting device and the control method thereof according to an embodiment of the present invention can maintain a constant biorhythm for adults as well as adolescents by adjusting the mixing ratio of specific wavelengths according to the installation location, illuminance state, and eye-related disease state. Therefore, it can maintain or improve the state of health.

1 is a block diagram of a health lighting device according to an embodiment of the present invention;

Figure 2 is a photograph of the operation of the LED light of Figure 1,

Figure 3 is a detailed view of the storage unit of Figure 1,

4 is a graph showing a first example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention;

5 is a graph showing a second example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention;

6 is a graph showing a third example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention;

7 is a graph showing a fourth example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention;

8 is a graph showing a fifth example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention;

9 is a graph showing a sixth example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention;

10 is a flowchart illustrating a control method of a health lighting device according to an embodiment of the present invention;

11 is a flowchart illustrating an automatic control procedure according to illuminance of a method for controlling a health lighting device according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, the embodiments of the present invention will be described in detail so that those of ordinary skill in the art to which the present invention pertains can easily implement them. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. In order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar components throughout the specification.

The embodiments of the present invention are provided to more completely explain the present invention to those of ordinary skill in the art, and the embodiments described below may be modified in various other forms, The scope is not limited to the following examples. Rather, these examples are provided so as to more fully and complete the present invention, and to fully convey the spirit of the present invention to those skilled in the art.

FIG. 1 is a block diagram of a health lighting device according to an embodiment of the present invention, FIG. 2 is a photograph during operation of the LED light of FIG. 1 , and FIG. 3 is a detailed view of the storage unit of FIG. 1 .

Referring to FIG. 1 , a health lighting device 100 according to an embodiment of the present invention includes an LED lighting lamp 110 , a light quantity control unit 120 , a power supply unit 130 , a control unit 140 , and a storage unit 150 . and a timer 160 .

The health lighting apparatus 100 according to an embodiment of the present invention is for preventing myopia. When the neural tissue called the retina in the eye is exposed to sufficient light during the day, the retina secretes a hormone called dopamine, thereby preventing myopia. In particular, among sunlight, blue light in a wavelength band of 400 nm plays a major role in preventing myopia. Conversely, in the evening, blue light in the wavelength band of 400 nm promotes the progression of myopia. In summary, for the prevention of myopia, the retina should be exposed to blue light, and not to be exposed to blue light at night.

Therefore, the health lighting device 100 is a lighting device capable of changing the wavelength according to the day-night cycle time. That is, the health lighting apparatus 100 is to suppress the progression of myopia by emitting light containing a large amount of blue light during the day and a small amount of blue light at night according to time. Accordingly, it is possible to effectively manage eye health such as prevention of myopia for adolescents in the growing stage.

In addition, the health lighting device 100 according to an embodiment of the present invention is for effective health management. The circadian rhythm in which dopamine is secreted from the retina during the day when it receives sunlight and melatonin is secreted when it does not receive sunlight at night is very important for maintaining human health.

Accordingly, the health lighting apparatus 100 may enhance health exposed to light while maintaining health by emitting light including blue light and red light over time to strengthen biorhythms.

As such, the health lighting device 100 according to an embodiment of the present invention can help not only prevent myopia in adolescents, but also help the health of adults. Accordingly, it is possible to maintain or improve not only the eye health of the user but also the physical health state.

The LED lighting lamp 110 is an LED lighting means for providing the amount of light required for learning, and the wavelength of the emitted light can be adjusted according to time. That is, the LED lighting lamp 110 may provide white light, light of the first wavelength, and light of the second wavelength at different rates according to time.

In this case, the LED lighting lamp 110 includes a white light LED 111 , a first wavelength LED 112 , and a second wavelength LED 113 . Here, the white light LED 111 emits white light. The first wavelength LED 112 emits light of the first wavelength. The second wavelength LED 113 emits light of the second wavelength.

Here, the light of the first wavelength may be light that promotes the secretion of dopamine. For example, the light of the first wavelength may be blue light. Accordingly, the first wavelength may be a blue light wavelength band. Preferably, the first wavelength may be 450 to 495 nm, more preferably 460 nm.

In addition, the light of the second wavelength may be a light having less inhibition of melatonin. For example, the second wavelength light may be red light. Accordingly, the second wavelength may be a red light wavelength band. Preferably, the second wavelength may be 630 to 780 nm, more preferably 660 nm.

That is, the LED lighting lamp 110 may be composed of a white light for securing a general amount of illumination light, a blue wavelength band optimized for myopia prevention, and a mixed light emitting a red wavelength band. As shown in FIG. 2 , the LED lighting lamp 110 may emit white light, blue light, and red light according to the arrangement of the LEDs for each wavelength.

In this embodiment, the light of the first wavelength may be blue light, and the light of the second wavelength may be red light. However, the light of the first wavelength and the light of the second wavelength are not limited thereto, and may be replaced with light of a different wavelength band according to the purpose of use.

The light quantity control unit 120 adjusts the mixing ratio for each wavelength of the light emitted by the LED lighting lamp 110 . At this time, the light quantity control unit 120 adjusts the power supplied from the power supply unit 130 to adjust the light quantity of the white light, blue light, and red light. That is, the light amount adjusting unit 120 may adjust the mixing ratio for each wavelength by adjusting the amount of light for each wavelength.

The light quantity control unit 120 may include a white light quantity control variable resistor 121 , a first wavelength light quantity control variable resistor 122 , and a second wavelength light quantity control variable resistor 123 .

The white light amount control variable resistor 121 adjusts the amount of white light to provide the amount of illumination required for reading by teenagers. The first wavelength light amount control variable resistor 122 controls so that blue light is mainly expressed during daytime reading and is reduced during night reading. The second wavelength light quantity control variable resistor 123 causes the red light to be mainly expressed during night reading, and to decrease during the daytime reading. Thereby, the inhibitory effect of myopia can be provided.

At this time, each of the white light quantity control variable resistor 121, the first wavelength light quantity control variable resistor 122 and the second wavelength light quantity control variable resistor 123 controls the amount of current supplied from the power supply unit 130 in the corresponding wavelength band. By controlling through a variable resistor and supplying the LED lighting lamp 110 , the amount of light for each wavelength of the LED lighting lamp 110 can be adjusted. Here, each of the white light quantity control variable resistor 121 , the first wavelength light quantity control variable resistor 122 , and the second wavelength light quantity control variable resistor 123 may be changed by the controller 140 .

The power supply unit 130 supplies power to the LED lighting lamp 110 . For example, the power supply unit 130 may be a switched-mode power supply (SMPS). The SMPS receives power from a power source, changes current or voltage characteristics, and transmits it to the LED lighting lamp 110 . Unlike linear power supplies, the pass transistor of an SMPS is constantly on and off, oscillating between low and high loss points. Thereby, since it is maintained only for a very short time, power loss can be minimized.

In this case, the SMPS maximizes efficiency by increasing the ON/OFF switching frequency having a fast cycle, and can make a large-capacity power supply with a small size and light weight. In addition, while the SMPS has a large input voltage range, the on/off time of the output DC voltage is appropriately set because waves and noise may be generated due to heat due to high-speed switching.

In addition, the power supply unit 130 is a DC stabilized power supply for supplying stable DC power to the LED lighting lamp 110, and a constant voltage circuit to suppress the generation of surge and noise inside. can be provided

The control unit 140 controls the whole health lighting device 100 , but is to adjust the light quantity for each wavelength of the LED lighting lamp 110 through the light quantity control unit 120 . That is, the control unit 140 controls the light quantity control unit 120 to adjust the mixing ratio of the lights emitted from the LED lighting lamp (110). Here, the controller 140 may be a microcontroller. Accordingly, a change in the mixing ratio of white light, blue light, and red light according to the day or night may be adjusted according to the control of the controller 140 .

In this case, the control unit 140 may control the on/off switching of the power supply unit 130 . In addition, the control unit 140 according to the time of the timer 160 based on the setting according to the myopia prevention program of the storage unit 150, the white light amount control variable resistor 121, the first wavelength light amount control variable resistor 122 and The second wavelength light quantity control variable resistor 123 may be controlled simultaneously or individually.

More specifically, the controller 140 may adjust the optimal light combination for suppressing myopia at a preset ratio. That is, the control unit 140 may control the light quantity adjusting unit 120 according to a preset stored setting so that the mixing ratio of white light, blue light, and red light is adjusted according to time.

In this case, the sum of the mixing ratio of the blue light and the red light may be constant over time. In addition, the mixing ratio of the blue light and the red light may be set according to a circadian rhythm of the human body. As an example, blue light may have a high mixing rate during the day, especially at noon. Red light has a high mixing rate at night, and can be highest especially at midnight.

In addition, the mixing ratio of white light, blue light, and red light may be adjusted according to the user's health condition, such as an installation location of the health lighting apparatus 100 , an ambient illuminance condition, and eye-related diseases. As an example, the installation site may be divided into local lighting such as a stand and overall lighting in the form of being attached to the ceiling. The illuminance state can be divided into the presence or absence of natural light and automatic setting according to the surrounding illuminance. The eye-related disease may be a cataract.

In this case, in the case of natural light and local lighting, the controller 140 may control the sum of the mixing ratio of the blue light and the red light to be lower than the mixing ratio of the white light.

In addition, when there is no natural light, in the case of full illumination, and in the case of a cataract, the controller 140 may control the sum of the mixing ratio of the blue light and the red light to be higher than the mixing ratio of the white light.

Here, the sum of the mixing ratio of the blue light and the red light may be the highest in the case of a cataract and the lowest in the case of natural light. Conversely, the mixing ratio of white light may be lowest in the case of cataracts and highest in the case of natural light.

In addition, the sum of the mixing ratio of the blue light and the red light may be sequentially higher in the case of no natural light, the case of total illumination, and case of local illumination. Conversely, the mixing ratio of white light may be sequentially lower when there is no natural light, in the case of total illumination, and in the case of local illumination.

The storage unit 150 stores settings according to the myopia prevention program. Here, the pre-stored setting may be a mixing ratio according to time of white light, blue light, and red light based on the myopia prevention program. In this case, the storage unit 150 may be integrally provided with the microcontroller together with the control unit 140 .

Referring to FIG. 3 , the storage unit 150 is a setting based on the myopia prevention program, and the basic type 151 , natural light 152 , natural light 153 , local light 154 , global light 155 . and cataract 156 . Each setting will be described later with reference to FIGS. 4 to 9 .

The timer 160 counts the time. That is, the timer 160 may provide day and night cycle information to the controller 140 . In this case, the timer 160 may be integrally provided with the microcontroller together with the controller 140 .

Meanwhile, the health lighting apparatus 100 may further include an illuminance sensor 170 and an input unit 180 .

The illuminance sensor 170 may detect the amount of light to the surroundings. In this case, the illuminance sensor 170 may detect a cycle time of day and night according to the detected amount of light. For example, the illuminance sensor 170 may detect the amount of blue light in the vicinity.

In this case, the controller 140 compares the amount of blue light detected by the illuminance sensor 170 with a threshold value. As a result of the comparison, if the amount of blue light is greater than the threshold value, the controller 140 determines that there is daylight or natural light, and controls the maximum variation of blue light to be reduced.

Conversely, when the amount of blue light is equal to or less than the threshold value, the controller 140 may determine that it is nighttime or that there is no natural light, and control to increase the maximum amount of variation of blue light.

Accordingly, it is possible to automatically adjust the mixing ratio of white light, blue light, and red light according to the ambient illuminance.

The input unit 180 is for the user to manually set the adjustment of the light quantity control unit 120 . That is, the white light quantity control variable resistor 121 , the first wavelength light quantity control variable resistor 122 , and the second wavelength light quantity control variable resistor 123 may be changed according to a user's input through the input unit 180 .

In this case, the controller 140 may control the light amount adjusting unit 120 according to manual setting by the input unit 180 . Accordingly, in addition to the settings according to the myopia prevention program, the user can manually freely adjust the mixing ratio for each wavelength manually.

Hereinafter, examples of the mixing ratio for each wavelength of the health lighting apparatus 100 will be described with reference to FIGS. 4 to 9 . Here, although blue light and red light are described as examples, it goes without saying that light of a different wavelength band may be substituted according to the purpose of use.

4 is a graph illustrating a first example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention.

4 shows the wavelength mixing ratio for each time period when the basic type 151 is set based on the myopia prevention program stored in the storage unit 150 . Here, the sum of the mixing ratio of the blue light and the red light may be constant over time. That is, the mixing ratio of the blue light and the red light may be in the form of a sine wave inverted with respect to time.

Blue light may have a high mixing ratio during the day and a low mixing ratio at night, so that the retina releases dopamine during the day. For example, blue light may have the highest mixing ratio at noon and the lowest mixing ratio at midnight. However, the present invention is not limited thereto, and the size of the mixing ratio of blue light and the maximum and maximum viewpoints may be changed according to the installation location, ambient illuminance, and the characteristics of the user.

Conversely, red light may have a high mixing ratio at night and a low mixing ratio during the day to secrete melatonin at night. For example, the red light may have the highest mixing ratio at midnight and the lowest mixing ratio at noon. However, the present invention is not limited thereto, and the size of the mixing ratio of the red light and the maximum and maximum viewpoints may be changed according to the installation location, ambient illuminance, and characteristics of the user.

In addition, the sum of the mixing ratio of the blue light and the red light may be the same as the mixing ratio of the white light. That is, the mixing ratio of white light may be constant over time. As a result, the sum of the mixing ratios of blue light and red light and the mixing ratio of white light may be constant over time.

For example, as shown in FIG. 4 , the sum of the mixing ratios of blue light and red light and the mixing ratio of white light may each be 50%.

5 is a graph illustrating a second example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention.

5 shows the wavelength mixing ratio for each time period when the setting based on the myopia prevention program stored in the storage unit 150 is no natural light 152 . In the case where there is no natural light or auxiliary natural light, such as a completely indoors, the maximum amount of variation of blue light having a short wavelength may be set to be larger. This makes it possible to effectively prevent myopia.

Here, the sum of the mixing ratio of the blue light and the red light may be constant over time. That is, the mixing ratio of the blue light and the red light may be in the form of a sine wave inverted with respect to time.

As an example of a case where there is no natural light, as shown in FIG. 5 , the sum of the mixing ratio of blue light and red light may be 75% of the total, and the mixing ratio of white light may be 25% of the total.

6 is a graph illustrating a third example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention.

6 shows the wavelength mixing ratio for each time period when the setting based on the myopia prevention program stored in the storage unit 150 is the natural light oil 153 . When there is auxiliary lighting by a window or the like, the maximum shift amount of blue light having a short wavelength may be reduced. Thereby, it is possible to prevent myopia and reduce eye fatigue.

As an example in the case of natural light, as shown in FIG. 6 , the sum of the mixing ratio of blue light and red light may be 25% of the total, and the mixing ratio of white light may be 75% of the total.

7 is a graph illustrating a fourth example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention.

7 shows the wavelength mixing ratio for each time period when the setting based on the myopia prevention program stored in the storage unit 150 is the local illumination 154 . In the case of local lighting such as a stand on a desk as local lighting in a room, the maximum amount of variation of blue light-red light may be reduced in consideration of safety. Here, when the contrast between excessive blue light and red light in local illumination is high, eye fatigue may be caused.

In this case, the sum of the mixing ratio of the blue light and the red light may be constant over time. That is, the mixing ratio of the blue light and the red light may be in the form of a sine wave inverted with respect to time.

As an example in the case of local lighting, as shown in FIG. 7 , the sum of the mixing ratio of blue light and red light may be 37.5% of the total, and the mixing ratio of white light may be 62.5% of the total.

8 is a graph illustrating a fifth example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention.

8 shows the wavelength mixing ratio for each time period when the setting based on the myopia prevention program stored in the storage unit 150 is the total illumination 155 . In the case of overall illumination for a large space, such as being attached to a cheongjang as the illumination of the entire room, the maximum amount of variation of blue light-red light may be increased. Thereby, the efficiency of illumination can be improved.

As an example of the case of total illumination, as shown in FIG. 8 , the sum of the mixing ratio of blue light and red light may be 62.5% of the total, and the mixing ratio of white light may be 37.5% of the total.

9 is a graph illustrating a sixth example of a mixing ratio for each wavelength of a health lighting device according to an embodiment of the present invention.

9 shows the wavelength mixing ratio for each time period when the setting based on the myopia prevention program stored in the storage unit 150 is the cataract 156 . Due to cataract, light transmittance decreases and sensitivity to wavelength decreases. Therefore, when there is a cataract, the maximum shift amount of blue light-red light may be set to be larger than normal.

As an example in the case of a cataract, as shown in FIG. 9 , the sum of the mixing ratio of blue light and red light may be 87.5% of the total, and the mixing ratio of white light may be 12.5% of the total.

4 to 9 , the size of the sum of the mixing ratios of blue light and red light, and the maximum and maximum timings of the mixing ratios may be changed according to the installation location, ambient illuminance, and the characteristics of the user.

Hereinafter, a method of controlling a health lighting device of the present invention will be described with reference to FIGS. 10 and 11 .

10 is a flowchart illustrating a method of controlling a health lighting device according to an embodiment of the present invention.

The control method 200 of the health lighting device includes the steps of starting the operation of the health lighting device 100 ( S210 ), and automatically or manually setting ( S220 to S240 ). It includes the step of adjusting the mixing ratio for each wavelength according to the setting (S250), and the step of turning on the LED lighting lamp (S260).

In more detail, as shown in FIG. 10 , first, the health lighting apparatus 100 starts an operation (step S210 ). At this time, the health lighting apparatus 100 starts an operation while the power is turned on by the user.

Next, the health lighting device 100 determines whether the setting is automatic (step S220), and if it is automatic setting, searches for the automatic setting (step S230). That is, the health lighting device 100 searches for the setting of the LED lighting lamp 110 . Here, the LED lighting lamp 110 emits a white light LED 111 emitting white light, a first wavelength LED 112 emitting a first wavelength light, and a second wavelength light having a longer wavelength band than the first wavelength. A second wavelength LED 113 may be included.

That is, the LED lighting lamp 110 may be composed of a white light for securing a general amount of illumination light, a blue wavelength band optimized for myopia prevention, and a mixed light emitting a red wavelength band.

In this case, the health lighting apparatus 100 may search for settings previously stored in the storage unit 150 .

As a result of the determination in step S220, in the case of manual setting, the health lighting apparatus 100 receives settings for adjusting the amount of light of white light, first wavelength light, and second wavelength light by the input unit 180 and sets the correction (step S240) ).

Next, the health lighting apparatus 100 adjusts the mixing ratio of white light, blue light, and red light according to an automatic setting stored in advance as in step S230 or an input manual setting as in step S240 over time (step S250).

In this case, in case of natural light and local lighting, the health lighting apparatus 100 may adjust the sum of the mixing ratio of blue light and red light to be lower than the mixing ratio of white light.

In addition, when there is no natural light, in the case of full illumination, and in the case of a cataract, the health lighting apparatus 100 may adjust the sum of the mixing ratio of the blue light and the red light to be higher than the mixing ratio of the white light.

Here, the sum of the mixing ratio of the blue light and the red light may be the largest in the case of a cataract and the lowest in the case of natural light. Conversely, the mixing ratio of white light may be lowest in the case of cataracts and highest in the case of natural light.

Next, the health lighting apparatus 100 turns on the LED lighting lamp 110 according to the mixing ratio adjusted for each wavelength (step S260).

The automatic control method 300 according to the illuminance includes the steps of starting automatic adjustment according to the illuminance (S310), detecting the amount of ambient light (S320), and controlling according to the presence or absence of natural light according to the detected amount of light (S330 to S350).

More specifically, as shown in FIG. 11 , first, the health lighting apparatus 100 starts an automatic adjustment operation according to the illuminance (step S310 ). At this time, the health lighting apparatus 100 starts the operation while the automatic adjustment operation is selected by the user.

Next, the health lighting apparatus 100 detects the amount of light to the surroundings (step S320). In this case, the health lighting apparatus 100 may detect a cycle time of day and night according to the detected amount of light. For example, the health lighting apparatus 100 may detect the amount of blue light in the vicinity.

Next, the health lighting apparatus 100 compares the detected amount of blue light with a threshold value (step S330), and if the amount of blue light is greater than the threshold value, the health lighting apparatus 100 determines that there is daytime or natural light, and myopia Control is performed when the setting based on the prevention program is natural light oil 153 (step S340). In this case, the health lighting apparatus 100 may reduce the maximum amount of variation of blue light.

As a result of the comparison in step S330, if the amount of blue light is less than or equal to the threshold value, the health lighting device 100 determines that it is at night or there is no natural light, and performs control when the setting based on the myopia prevention program is no natural light 152 do (step S350). In this case, the health lighting apparatus 100 may increase the maximum variation amount of blue light.

The above methods may be implemented by the health lighting device 100 as shown in FIG. 1 , and in particular, may be implemented as a software program for performing these steps, in this case, these programs are computer-readable recording It may be stored in a medium or transmitted by a computer data signal coupled with a carrier wave in a transmission medium or a communication network. In this case, the computer-readable recording medium may include any type of recording device in which data readable by a computer system is stored.

Although one embodiment of the present invention has been described above, the spirit of the present invention is not limited to the embodiments presented herein, and those skilled in the art who understand the spirit of the present invention can add components within the scope of the same spirit. , changes, deletions, additions, etc. may easily suggest other embodiments, but this will also fall within the scope of the present invention.

Claims

an LED lighting lamp including a white light LED emitting white light, a first wavelength LED emitting a first wavelength light, and a second wavelength LED emitting a second wavelength light having a longer wavelength band than the first wavelength light;

a power supply unit for supplying power to the LED lighting;

timer to count time;

a light quantity adjusting unit which adjusts the amount of light of the white light, the first wavelength light, and the second wavelength light by adjusting the power supplied from the power supply unit;

a control unit controlling the light amount adjusting unit according to a preset stored setting so that a mixing ratio of the white light, the first wavelength light, and the second wavelength light is adjusted according to the time; and

a storage unit for storing the settings;

A health lighting device comprising a.
According to claim 1,

The first wavelength light is blue light,

wherein the second wavelength light is red light.
According to claim 1,

The sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength is constant according to the time,

The light of the first wavelength has a high mixing ratio during the day, and the light of the second wavelength has a high mixing ratio at night.
According to claim 1,

The sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength is equal to the mixing ratio of the white light.
According to claim 1,

Further comprising an illuminance sensor for detecting the amount of light of the first wavelength to the surroundings,

The control unit decreases the maximum amount of variation of the light of the first wavelength when the detected amount of light of the first wavelength is greater than a threshold value, and increases the maximum amount of variation of the light of the first wavelength when the amount of light of the first wavelength is less than the threshold value.
According to claim 1,

Further comprising an input unit for setting the adjustment of the light quantity control unit,

The control unit is a health lighting device for controlling the light amount control unit according to the setting by the input unit.
According to claim 1,

The control unit is

In case of natural light and local lighting, the sum of the mixing ratio of the first wavelength light and the second wavelength light is controlled to be lower than the mixing ratio of the white light,

A health lighting device for controlling a sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength to be higher than the mixing ratio of the white light in the case of no natural light, full illumination, and cataract.
8. The method of claim 7,

The sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength is,

Health lighting devices with highest for cataracts, lowest for natural light, and sequentially higher for no natural light, then global and local lighting.
A method of controlling a lighting device, comprising:

A setting of LED lighting including a white light LED emitting white light, a first wavelength LED emitting a first wavelength light, and a second wavelength LED emitting a second wavelength light having a longer wavelength band than the first wavelength light exploring;

adjusting a mixing ratio of the white light, the first wavelength light, and the second wavelength light over time according to a pre-stored setting; and

turning on the LED lighting lamp according to the adjusted mixing ratio;

A control method of a health lighting device comprising a.
10. The method of claim 9,

The first wavelength light is blue light,

The second wavelength light is a red light, the control method of the health lighting device.
10. The method of claim 9,

The sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength is constant according to the time,

The first wavelength light has a high mixing ratio during the day, and the second wavelength light has a high mixing ratio at night.
10. The method of claim 9,

The sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength is equal to the mixing ratio of the white light.
10. The method of claim 9,

detecting the amount of light of the first wavelength light to the surroundings;

comparing the detected amount of light of the first wavelength with a threshold value;

reducing a maximum shift amount of the first wavelength light when the detected light amount of the first wavelength light is greater than a threshold value; and

The method of controlling a health lighting device further comprising increasing a maximum variation amount of the light of the first wavelength when it is less than or equal to the threshold value.
10. The method of claim 9,

determining whether it is an automatic setting; and

In the case of manual setting, receiving a setting for adjusting the amount of light of the white light, the first wavelength light, and the second wavelength light by an input unit; further comprising,

The adjusting is a control method of a health lighting device for adjusting the amount of light of the white light, the light of the first wavelength, and the light of the second wavelength according to the input setting.
10. The method of claim 9,

The adjusting step is

In case of natural light and local lighting, the sum of the mixing ratio of the first wavelength light and the second wavelength light is adjusted to be lower than the mixing ratio of the white light,

A method of controlling a health lighting device in which the sum of the mixing ratio of the first wavelength light and the second wavelength light is higher than the mixing ratio of the white light in the case of no natural light, full illumination, and cataract.
16. The method of claim 15,

The sum of the mixing ratio of the light of the first wavelength and the light of the second wavelength is,

The control method of a health lighting device is highest for cataracts, lowest for natural light, and sequentially higher for no natural light, full illumination, and local illumination.