WO2020213850A1 - Dispositif de commande d'éclairage basé sur des gestes - Google Patents

Dispositif de commande d'éclairage basé sur des gestes Download PDF

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Publication number
WO2020213850A1
WO2020213850A1 PCT/KR2020/004110 KR2020004110W WO2020213850A1 WO 2020213850 A1 WO2020213850 A1 WO 2020213850A1 KR 2020004110 W KR2020004110 W KR 2020004110W WO 2020213850 A1 WO2020213850 A1 WO 2020213850A1
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WO
WIPO (PCT)
Prior art keywords
gesture
infrared led
infrared
led
light
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PCT/KR2020/004110
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English (en)
Korean (ko)
Inventor
임환
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주식회사 온유테크
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Publication of WO2020213850A1 publication Critical patent/WO2020213850A1/fr

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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

Definitions

  • the present invention relates to a gesture-based lighting device capable of controlling the illuminance or color temperature of an LED lighting device according to a user's gesture.
  • a gesture interface has been attempted to control a device by recognizing a user's gesture instead of a physical button or a touch interface on various electronic devices including a smart phone.
  • a gesture control has been applied to a vehicle to recognize a user's hand gesture to manipulate an infotainment device or a navigation system.
  • One of the representative gesture recognition technologies has two or more infrared LEDs and a light-receiving sensor interposed therebetween. This is to distinguish and recognize gestures. Using this, it is possible to recognize a swipe operation (a movement from left to right or a movement from right to left), a circle drawing operation, and a tap operation (movement moving or moving away) of the reflector in front of the infrared LED and the light-receiving sensor.
  • An object of the present invention is to provide a gesture-based lighting control device capable of effectively controlling a lighting device installed on a ceiling using a gesture of a user.
  • a gesture-based lighting control device for solving the above technical problem includes: a first infrared LED installed on a ceiling and emitting first infrared light downward; A second infrared LED installed on the ceiling to be spaced apart from the first infrared LED to emit second infrared light downward; A light-receiving sensor installed at an intermediate point between the first infrared LED and the second infrared LED of the ceiling and configured to sense a reflected light returned by reflecting the first infrared light and the second infrared light to a reflective material below the ceiling; A gesture determination unit configured to determine a gesture type of the reflective material from the reflected light detected by the light receiving sensor; And a lighting control unit for controlling the illuminance or color temperature of the LED lighting device according to the gesture type, wherein the first infrared LED and the second infrared LED include the first infrared light and the second infrared light from the light receiving sensor. It is characterized in that it is installed spaced apart by a pre
  • the distance D to the point where the crosstalk occurs is the half-value angle of the first infrared LED and the second infrared LED. , When the distance between the first infrared LED and the second infrared LED is L It can be decided according to.
  • the predetermined effective sensing distance may be 30 cm or more and 50 cm or less.
  • the first infrared LED and the second infrared LED may be installed at a distance of 108 mm or more.
  • the gesture-based lighting control device includes: a first wall portion having a predetermined height installed on the side of the first infrared LED between the first infrared LED and the second infrared LED to block the progress of the first infrared light downward; And a second wall portion having a predetermined height that is installed on the side of the second infrared LED between the first infrared LED and the second infrared LED to block the progress of the second infrared light downward.
  • the gesture determination unit determines a swipe gesture as a gesture type of the reflective material, and determines a swipe gesture occurring within a predetermined time after the swipe gesture is generated as a valid swipe gesture, and the lighting control unit determines the swipe gesture determined to be valid. According to this, it is possible to control the illuminance or color temperature of the LED lighting device.
  • the gesture determination unit determines a stationary state maintenance gesture and a swipe gesture as a gesture type of the reflector, but determines a swipe gesture that occurs within a predetermined time after the stationary state maintenance gesture occurs as an effective swipe gesture, and the lighting control unit determines the The illumination intensity or color temperature of the LED lighting device may be controlled according to the swipe gesture determined to be effective.
  • the gesture determination unit determines a stationary state maintenance gesture and a circle drawing gesture as a gesture type of the reflector, and determines a circle drawing gesture occurring within a predetermined time after the stationary state maintenance gesture occurs as an effective circle drawing gesture, and the lighting control unit determines the The illuminance or color temperature of the LED lighting device may be controlled according to the one drawing gesture determined to be effective.
  • a gesture-based lighting control device capable of effectively controlling a lighting device installed on a ceiling using a user's gesture.
  • FIG. 1 is a diagram illustrating an infrared LED and a light-receiving sensor of a gesture-based lighting control device according to an embodiment of the present invention, and an operation thereof.
  • FIG. 2 is a block diagram of a gesture-based lighting control apparatus according to an embodiment of the present invention.
  • FIG 3 shows an example of the radiation angle characteristic of an infrared LED.
  • FIG. 4 is a diagram illustrating the occurrence of crosstalk between the first infrared light of the first infrared LED 11 and the infrared light of the second infrared LED 12.
  • FIG 5 shows a state in which the first wall part 61 and the second wall part 62 are installed between the first infrared LED 11 and the second infrared LED 12 according to an embodiment of the present invention.
  • FIG. 6 is a flowchart illustrating an operation of a gesture-based lighting control apparatus according to an embodiment of the present invention.
  • FIG. 7 is a flowchart illustrating an operation of a gesture-based lighting control apparatus according to another embodiment of the present invention.
  • FIG. 8 is a flowchart illustrating an operation of a gesture-based lighting control apparatus according to another embodiment of the present invention.
  • the inventor recognized that in order to apply a gesture recognition technology using an infrared LED and a light-receiving sensor to control a lighting device, several technical problems must be solved.
  • infrared light of the required intensity must reach the reflector at a distance of 30-50 cm from the infrared LED. This can be achieved through increasing the luminous power of the infrared LED.
  • the second is a crosstalk problem.
  • a smartphone or a car it is not a problem because the sensing distance is close, but in the case of lighting control, since the sensing distance is relatively long, the two infrared rays overlap and the reflected light entering the light sensor A crosstalk problem occurs in which it is impossible to distinguish which infrared light is reflected light. Therefore, the following embodiments of the present invention propose a gesture-based lighting control device capable of solving such a crosstalk problem.
  • a valid user gesture ie, an intended gesture of a user who wants to control the lighting
  • other movements that are not in consideration of the lighting environment. Since lighting is installed in a living room, room, or office, various movements in addition to valid user gestures may occur nearby. Therefore, a technique for controlling lighting only in the case of a valid user gesture by distinguishing a valid user gesture from an invalid movement is required. In the following embodiments of the present invention, a gesture-based lighting control device capable of achieving this is proposed. .
  • FIG. 1 is a diagram illustrating an infrared LED and a light-receiving sensor of a gesture-based lighting control device according to an embodiment of the present invention, and an operation thereof.
  • a first infrared LED 11, a second infrared LED 12, and a light-receiving sensor 20 are installed on the ceiling S (or a lighting device installed on the ceiling).
  • the first infrared LED 11 and the second infrared LED 12 are installed to be spaced apart from each other by a predetermined distance, and a light-receiving sensor 20 is located at an intermediate point between the first infrared LED 11 and the second infrared LED 12.
  • three or more infrared LEDs such as three or four, may be installed in an annular shape around the light-receiving sensor 20.
  • the first infrared LED 11 emits a first infrared light B1 downward
  • the second infrared LED 12 emits a second infrared light B2 downward.
  • a user who wants to control the lighting stands under the light-receiving sensor 20 and performs a swipe operation or a circle drawing operation with his hand (M).
  • the light-receiving sensor 20 senses the reflected light R1 and R2 returned by reflecting the first infrared light B1 or the second infrared light B2 to the hand M. For example, in the case of a swipe operation, when the user's hand M passes from the M(1) position to the M(2) position, the light receiving sensor 20 returns the reflected light R1 of the first infrared light B1.
  • the reflected light R2 of the second infrared light B2 is sensed, and this may be recognized as a swipe operation.
  • a circle drawing operation, a stop state maintenance operation, and a tap operation may also be recognized according to the pattern and timing of the reflected light, and a specific recognition method is well known to those skilled in the art, and a detailed description thereof will be omitted.
  • FIG. 2 is a block diagram of a gesture-based lighting control apparatus according to an embodiment of the present invention.
  • the gesture-based lighting control device includes a first infrared LED 11, a second infrared LED 12, a light-receiving sensor 20, a gesture determination unit 30, and a lighting control unit described above with reference to FIG. 1. It includes (40).
  • the gesture-based lighting control device controls the LED lighting device 50 based on the user's gesture, and the LED lighting device 50 includes a power supply unit 51 and an LED light source 52.
  • the gesture determination unit 30 determines a gesture type of a reflective object based on patterns and timings of reflected light of the first infrared light and the second infrared light detected by the light receiving sensor 20. For example, the gesture determination unit 30 determines a swipe gesture, a circle drawing gesture, a stop state holding gesture, a tap gesture, and the like as a gesture type of the reflected object from the pattern and timing of the reflected light.
  • the lighting control unit 40 controls the illumination intensity or color temperature of the LED lighting device 50 according to the gesture type determined by the gesture determination unit 30. For example, the lighting control unit 40 may change the illuminance in a circulating manner for each step whenever the swipe gesture occurs, or may change the color temperature in a cyclic manner for each step whenever the circle drawing gesture occurs.
  • the lighting control unit 40 may apply a PWM control signal to the power supply unit 51 of the LED lighting device 50 to control illuminance or color temperature.
  • the power supply unit 51 includes a Switching Mode Power Supply (SMPS).
  • SMPS Switching Mode Power Supply
  • the power supply unit 51 controls the illuminance of the LED light source 52 by changing the output current of the SMPS or the duty ratio of the PWM voltage supplied to the LED light source 52 according to a control signal from the lighting control unit 40 can do.
  • SMPS Switching Mode Power Supply
  • the LED light source 52 includes two types of LED light sources having different color temperatures (for example, a daylight color light source and a light bulb color light source), and may generate various color temperatures according to a combination of illuminances of the two types of LED light sources. . That is, the power supply unit 51 can control the color temperature of the LED light source 52 by changing the duty ratio of the output current or PWM voltage of the SMPS for each of the two types of LED light sources according to the control signal from the lighting control unit 40. have.
  • FIG. 3 is an example of the radiation angle characteristics of the infrared LED, Vishay (Vishay) shows the radiation angle characteristics of the VSMY2940 product. This product has an angle of half intensity of about ⁇ 10 ⁇ based on 50% luminous flux. Crosstalk occurs at a certain distance or more from the light-receiving sensor 20 according to the radiation angle characteristic.
  • FIG. 4 is a diagram illustrating the occurrence of crosstalk between the first infrared light of the first infrared LED 11 and the infrared light of the second infrared LED 12.
  • the half-value angle of the first infrared LED 11 and the second infrared LED 12 If the distance between the first infrared LED 11 and the second infrared LED 12 is L, the distance D from the light-receiving sensor 20 to the point where crosstalk occurs is, Expression from It can be decided according to. Therefore, as the distance between the first infrared LED 11 and the second infrared LED 12 increases, the distance from the light-receiving sensor 20 to the point at which crosstalk occurs increases.
  • the first infrared LED 11 and the second infrared LED 12 are so that the distance from the light-receiving sensor 20 to the point where crosstalk occurs is greater than a predetermined effective sensing distance of the lighting control device. ) To be separated by a predetermined distance or more.
  • the effective sensing distance of the lighting control device may be selected as a value of 30cm or more and 50cm or less in consideration of the legal floor height of the house, the average height of men and women, and the thickness of the lighting device.
  • the following table is half-chigak It is a table showing the minimum separation distance between the first infrared LED 11 and the second infrared LED 12 according to the effective sensing distance, assuming 10 ⁇ .
  • the separation distance between infrared LEDs may be set to 108mm or more, and when the effective sensing distance is set to 400mm, the separation distance between infrared LEDs may be installed to be 144mm or more.
  • FIG. As shown in Fig. 5, by installing the first wall 61 and the second wall 62 between the first infrared LED 11 and the second infrared LED 12, crosstalk may occur at a greater distance. have.
  • the first wall part 61 is a ceiling S (or a lighting device installed on the ceiling) on the side of the first infrared LED 11 between the first infrared LED 11 and the second infrared LED 12. It is installed so as to have a predetermined height from ), and blocks the progress of the first infrared light to the lower side (lower left).
  • the second wall portion 62 is a predetermined height from the ceiling (S) (or a lighting device installed on the ceiling) on the side of the second infrared LED 12 between the first infrared LED 11 and the second infrared LED 12. It is installed so as to have, and blocks the progress of the second infrared light downward (right downward).
  • the radiation angle of the first infrared light and the second infrared light by the first wall part 61 and the second wall part 62 is in ( ⁇ ) To narrow. Therefore, the distance from the light receiving sensor 20 to the point where crosstalk occurs is Is As a result, crosstalk occurs at a greater distance.
  • the height of the first and second wall portions 61 and 62 is an effective sensing distance, a separation distance between the first infrared LED 11 and the second infrared LED 12, and between the wall portions 61 and 62 and the infrared LEDs 11 and 12. It can be decided according to distance, etc.
  • a predetermined time after the swipe gesture occurs e.g. 2 to 3 seconds
  • swipe gestures that occur within the range can be determined as valid swipe gestures.
  • the user only needs to perform at least two swipe actions to enter the swipe gesture.
  • This embodiment is to prevent the user's intended swipe gesture from being misrecognized as a swipe gesture when other reflectors, such as a tall person, pass under the light-receiving sensor 20. Since the first swipe gesture is ignored, and only the swipe gesture that occurs after a predetermined time thereafter is used for lighting control as a valid swipe gesture, it is possible to prevent the lighting from being controlled due to the misrecognized single swipe gesture.
  • FIG. 6 is a flowchart illustrating the operation of the gesture-based lighting control apparatus according to this embodiment.
  • the gesture determination unit 30 ignores the swipe gesture and if another swipe gesture occurs within 2 seconds thereafter (630). )
  • the swipe gesture generated at this time is determined as a valid swipe gesture (640). If the swipe gesture does not occur so that 2 seconds have elapsed after the swipe gesture recognized in step 620, it returns to the standby state 610. If the swipe gesture occurs again within 2 seconds after the swipe gesture recognized in step 630 (630), this is also determined as a valid swipe gesture (640). That is, the swipe gesture that occurs within a certain time after the valid swipe gesture is also determined to be valid.
  • the lighting control unit 40 controls the illuminance or color temperature of the LED lighting device 50 according to an effective swipe gesture (850).
  • a gesture of maintaining a stop state when controlling with a swipe gesture (the user's hand, etc.
  • the operation of keeping an object for a certain time) can be used as a so-called entry gesture. That is, only the swipe gesture that occurs within a predetermined time (for example, 2 to 3 seconds) after the stop state gesture is generated is determined as a valid swipe gesture, and the LED lighting device is controlled according to the swipe gesture determined to be effective. If the user wants to input the swipe gesture, the user can perform the stop state hold operation before that.
  • This embodiment can also prevent the user's intended swipe gesture from being misrecognized as a swipe gesture when other reflectors, such as a tall person, pass under the light-receiving sensor 20. Since only the swipe gesture generated after a predetermined time after the stop state gesture is used for lighting control as a valid swipe gesture, it is possible to prevent the lighting from being controlled due to the misrecognized single swipe gesture.
  • Gesture determination unit 30 in the standby state 710 waiting for the gesture to occur, if the stop state maintenance gesture occurs (720) and the swipe gesture occurs within 2 seconds therefrom (730), the swipe gesture generated at this time is A valid swipe gesture is determined (740). Swipe gestures recognized without the previous hold-down gesture are ignored. If the swipe gesture does not occur so that 2 seconds have elapsed after the stopped state maintenance gesture recognized in step 720, it returns to the standby state 710. If the swipe gesture occurs again within 2 seconds after the swipe gesture recognized in step 730 (730), this is also determined as a valid swipe gesture (740). That is, the swipe gesture that occurs within a certain time after the valid swipe gesture is also determined to be valid.
  • the lighting controller 40 controls the illuminance or color temperature of the LED lighting device 50 according to an effective swipe gesture (750).
  • a stop state holding gesture is used as a so-called entry gesture when controlling with a one-draw gesture.
  • I can. That is, only the one-drawing gesture that occurs within a predetermined time (for example, 2 to 3 seconds) after the stop state holding gesture is generated is determined as a valid one-drawing gesture, and the LED lighting device is controlled according to the determined one-drawing gesture. If the user wants to input the one-drawing gesture, the user can perform the stop state maintenance operation prior to the input.
  • This embodiment also prevents the user's intended circle-drawing gesture from being misrecognized as a circle-drawing gesture when other reflective objects such as moths and other insects having a relatively large surface area fly around the light-receiving sensor 20 in a circle.
  • Gesture determination unit 30 in the standby state 810 waiting for the gesture to occur, when the stop state maintenance gesture occurs (820) and a one-drawing gesture occurs within 2 seconds thereafter (830), the generated one-drawing gesture It is determined as a valid one-drawing gesture (840). The one-drawing gesture recognized without the previous stop-state gesture is ignored. If the circle drawing gesture does not occur so that 2 seconds have elapsed after the stopped state maintenance gesture recognized in step 820, the standby state 810 is returned. If the circle drawing gesture occurs again within 2 seconds after the recognized circle drawing gesture in step 830 (830), this is also determined as a valid circle drawing gesture (840). In other words, it is determined that the one-drawing gesture that occurs within a certain time after the valid one-drawing gesture is also valid.
  • the lighting control unit 40 controls the illuminance or color temperature of the LED lighting device 50 according to an effective circle drawing gesture (850).
  • an entry gesture is generated by using an arbitrary gesture (e.g., a motion to keep a stationary state, a motion to wave quickly two to three times left and right) as an entry gesture. Thereafter, only control gestures occurring within a predetermined time may be determined as effective control gestures, thereby controlling the lighting device. The user can perform the entry gesture prior to inputting the corresponding control gesture.
  • an arbitrary gesture e.g., a motion to keep a stationary state, a motion to wave quickly two to three times left and right
  • the above-described embodiments of the present invention can be written as a program that can be executed in a computer, and can be implemented in a general-purpose digital computer that operates the program using a computer-readable recording medium.
  • the computer-readable recording medium includes a storage medium such as a magnetic storage medium (eg, ROM, floppy disk, hard disk, etc.), and an optical reading medium (eg, CD-ROM, DVD, etc.).
  • Embodiments of the present invention may be represented by functional block configurations and various processing steps. These functional blocks may be implemented with various numbers of hardware or/and software configurations that perform specific functions.
  • the embodiment is an integrated circuit configuration such as memory, processing, logic, look-up table, etc., capable of executing various functions by controlling one or more microprocessors or by other control devices. Can be hired.
  • embodiments include various algorithms implemented with a combination of data structures, processes, routines or other programming constructs, including C, C++. , Java, assembler, etc. may be implemented in a programming or scripting language. Functional aspects can be implemented with an algorithm running on one or more processors.
  • embodiments may employ conventional techniques for electronic environment setting, signal processing, and/or data processing.
  • Terms such as “mechanism”, “element”, “means”, and “configuration” may be widely used, and are not limited to mechanical and physical configurations.
  • the term may include a meaning of a series of routines of software in connection with a processor or the like.
  • connection or connection members of the lines between the components shown in the drawings exemplarily represent functional connections and/or physical or circuit connections, and in an actual device, various functional connections that can be replaced or additionally It may be referred to as a connection, or circuit connections.
  • essential essential
  • important important

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

La présente invention concerne un dispositif de commande d'éclairage basé sur des gestes qui comprend : une première DEL infrarouge disposée sur le plafond de celui-ci de façon à émettre une première lumière infrarouge vers le bas; une seconde DEL infrarouge disposée, sur le plafond de celui-ci, de façon à être distante de la première DEL infrarouge, de façon à émettre une seconde lumière infrarouge vers le bas; un capteur de réception de lumière disposé au niveau du point central entre la première DEL infrarouge et la seconde DEL infrarouge, qui sont sur le plafond, de façon à détecter la lumière réfléchie, qui est obtenue par la réflexion de la première lumière infrarouge et de la seconde lumière infrarouge vers un réflecteur en dessous et le renvoi de celle-ci; une unité de détermination de geste pour déterminer le type de geste du réflecteur à partir de la lumière réfléchie détectée par le capteur de réception de lumière; et une unité de commande d'éclairage pour commander l'éclairement ou la température de couleur d'un dispositif d'éclairage à DEL selon le type de geste, la première DEL infrarouge et la seconde DEL infrarouge étant disposées de façon à être distantes d'au moins une distance prédéterminée de telle sorte que la distance du capteur de réception de lumière à un point où la diaphonie entre la première lumière infrarouge et la seconde lumière infrarouge se produit est supérieure à une distance de détection effective prédéterminée.
PCT/KR2020/004110 2019-04-17 2020-03-26 Dispositif de commande d'éclairage basé sur des gestes WO2020213850A1 (fr)

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KR20190045065 2019-04-17

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101090965B1 (ko) * 2011-07-18 2011-12-08 주식회사 하이소닉 모션 감지 스위치
JP2016157587A (ja) * 2015-02-24 2016-09-01 サンケン電気株式会社 照明装置
JP2017073256A (ja) * 2015-10-06 2017-04-13 パナソニックＩｐマネジメント株式会社 照明制御装置及び照明システム
KR101808317B1 (ko) * 2016-11-01 2017-12-13 주식회사 데이타게이트코리아 모션 스위칭 랜턴 및 그 제어방법
KR20180042025A (ko) * 2016-10-17 2018-04-25 엘에스오토모티브테크놀로지스 주식회사 비접촉식 차량 실내 램프 유니트

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101090965B1 (ko) * 2011-07-18 2011-12-08 주식회사 하이소닉 모션 감지 스위치
JP2016157587A (ja) * 2015-02-24 2016-09-01 サンケン電気株式会社 照明装置
JP2017073256A (ja) * 2015-10-06 2017-04-13 パナソニックＩｐマネジメント株式会社 照明制御装置及び照明システム
KR20180042025A (ko) * 2016-10-17 2018-04-25 엘에스오토모티브테크놀로지스 주식회사 비접촉식 차량 실내 램프 유니트
KR101808317B1 (ko) * 2016-11-01 2017-12-13 주식회사 데이타게이트코리아 모션 스위칭 랜턴 및 그 제어방법

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