ILLUMINATION SYSTEM AND ILLUMINATION DEVICE

• US 20150305126A1
• Filed: 04/15/2015
• Published: 10/22/2015
• Est. Priority Date: 04/17/2014
• Status: Active Grant

• Current Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Inventors: MANNAMI, Tomoaki, KOBAYASHI, Hiroaki, TODA, Naohiro, MAEDA, Hikaru, KURIHARA, Takahiro, HATTA, Kazuhiro
• Granted Patent: US 9,326,364 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H05B 47/115 by determining the presence or movement of objects or living beings
• CPC Class Codes: H05B 47/16 by timing means
• CPC Class Codes: H05B 47/19 via wireless transmission
• CPC Class Codes: Y02B 20/40 Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

An illumination system includes an illumination device, a control unit for controlling a turn-on operation of the illumination device, and a terminal through which manipulation information of the illumination device is inputted by a user. The control unit includes an information extracting unit for extracting illumination information, within a period between a first moment prior to a falling-asleep time of the user and a second moment after a wakeup time of the user, from manipulation information and operation information of the illumination device stored in a memory unit, and an information transceiver unit for transmitting and receiving the illumination information to and the terminal. The terminal includes a terminal transceiver unit for transmitting and receiving the illumination information to and from the control unit, a display unit for displaying the illumination information received through the terminal transceiver unit and an input unit by which the manipulation information is inputted.

Claims

1. An illumination system, comprising:

an illumination device configured to irradiate light;

a control unit configured to control a turn-on operation of the illumination device; and

a terminal through which manipulation information of the illumination device is inputted by a user,

wherein the illumination device is configurable in illuminance and color temperature of the irradiated light,

the control unit includes a memory unit configured to store the manipulation information and operation information of the illumination device therein, the operation information including the color temperature, illuminance and irradiation time of the illumination device, an information extracting unit configured to extract illumination information, within a period between a first moment prior to a falling-asleep time of the user and a second moment after a wakeup time of the user, from the manipulation information and the operation information of the illumination device stored in the memory unit, and an information transceiver unit configured to transmit and receive the illumination information to and from the terminal, and

the terminal includes a terminal transceiver unit configured to transmit and receive the illumination information to and from the control unit, a display unit configured to display the illumination information received through the terminal transceiver unit and an input unit by which the manipulation information is inputted.

2. The illumination system of claim 1, wherein the display unit is configured to display at least one of an average value, a median value, a mode value and a cumulative value of the illumination information on the basis of an arbitrary period.

3. The illumination system of claim 1, wherein the information extracting unit is configured to calculate a pre-falling-asleep light quantity, as the illumination information, from the operation information before the falling-asleep time of the user, and the display unit is configured to display the pre-falling-asleep light quantity.

4. The illumination system of claim 1, wherein the information extracting unit is configured to calculate a post-wakeup light quantity, as the illumination information, from the operation information after the wakeup time of the user, and the display unit is configured to display the post-wakeup light quantity.

5. The illumination system of claim 1, wherein the control unit is configured to control the illumination device in a wakeup control mode in which a dimming ratio of the illumination device is gradually increased from a wakeup setting time set by the user, and the display unit is configured to display the wakeup setting time as the illumination information.

6. The illumination system of claim 5, further comprising:

a sensor unit configured to detect a body motion of the user,

wherein the control unit determines whether the user is in an awake phase or a sleep phase and the wakeup time of the user based on the body motion of the user detected by the sensor unit, the information extracting unit is configured to extract an awakening comfort level of the user based on a time difference between the wakeup setting time and the wakeup time, and the display unit is configured to index and display the awakening comfort level as the illumination information.

7. The illumination system of claim 6, wherein the information extracting unit is configured to extract the awakening comfort level based on the number of the body motion detected by the sensor unit during a period ranging from the wakeup setting time to the wakeup time of the user, and the display unit is configured to index and display the awakening comfort level as the illumination information.

8. The illumination system of claim 7, wherein the display unit is configured to display the wakeup time of the user, as the illumination information.

9. The illumination system of claim 1, wherein the control unit is configured to control the illumination device in a falling-asleep control mode in which a dimming ratio of the illumination device is gradually decreased from a turn-off manipulation time inputted by the user such that the illumination device is turned off at a turn-off time being a predetermined time after the turn-off manipulation time, and the display unit is configured to display the turn-off time of the illumination device as the illumination information.

10. The illumination system of claim 9, further comprising:

a sensor unit configured to detect a body motion of the user,

wherein the control unit determines the falling-asleep time of the user based on the body motion of the user detected by the sensor unit, the information extracting unit is configured to extract a falling-asleep comfort level of the user during a period ranging from a start time of the falling-asleep control mode to the falling-asleep time of the user, and the display unit is configured to index and display the falling asleep comfort level as the illumination information.

11. The illumination system of claim 6, wherein the control unit is configured to control the illumination device in a falling-asleep control mode in which a dimming ratio of the illumination device is gradually decreased from a turn-off manipulation time inputted by the user such that the illumination device is turned off at a turn-off time being a predetermined time after the turn-off manipulation time, and the display unit is configured to display, as the illumination information, at least one of the turn-on duration and the turn-on frequency of the illumination device during a period ranging from an end time of the falling-asleep control mode to the wakeup time of the user.

12. The illumination system of claim 1, wherein the input unit allows the user to input a sleep feeling felt at the wakeup time.

13. The illumination system of claim 1, wherein the terminal transceiver unit is connected to an external terminal via the Internet.

14. An illumination device, comprising:

a light source configured to irradiate light;

a control unit configured to control a turn-on operation of the light source; and

a sound source configured to output a stimulus sound,

wherein the illumination device is configured to gradually increase a dimming ratio of the light source in a pre-wakeup period between a predetermined time earlier than a wakeup setting time and the wakeup setting time, and

the control unit is configured to, during the pre-wakeup period, intermittently execute at least one of light stimulus control in which the dimming ratio of the light source is made higher, for a predetermined period within the pre-wakeup period, than an average dimming ratio in the pre-wakeup period and sound stimulus control in which the sound source is caused to output the stimulus sound.

15. The illumination device of claim 14, wherein the light source is configurable in a color temperature of the light irradiated, and the control unit is configured to cause the light source to irradiate light having an increased color temperature during the light stimulus control.

16. The illumination device of claim 14, wherein the light source includes a general light source for irradiating light on an indoor region and a condensing light source for irradiating light on a part of the indoor region, and the color temperature of the light irradiated by the condensing light source is higher than the color temperature of the light irradiated by the general light source.

17. The illumination device of claim 14, further comprising:

a sensor unit configured to detect a body motion of a user for the pre-wakeup period,

wherein the control unit is configured to execute at least one of the light stimulus control and the sound stimulus control when the number of the body motion detected by the sensor unit is less than or equal to a reference value.

18. The illumination device of claim 17, wherein the control unit is configured to change at least one of the dimming ratio of the light source during the light stimulus control, an execution duration of the light stimulus control, and an execution frequency of the light stimulus control depending on the number of body motion detected by the sensor unit.

19. The illumination device of claim 17, wherein the control unit is configured to change at least one of the output of the stimulus sound during the sound stimulus control, an execution duration of the sound stimulus control, and an execution frequency of the sound stimulus control depending on the number of the body motion detected by the sensor unit.

20. An illumination device, comprising:

a light source configured to irradiate light; and

a control unit configured to control a turn-on operation of the light source,

wherein the illumination device is configured to gradually increase a dimming ratio of the light source in a pre-wakeup period between a predetermined time earlier than a wakeup setting time and the wakeup setting time, and

the control unit is configured to, during the pre-wakeup period, intermittently execute light stimulus control in which the dimming ratio of the light source is made higher, for a predetermined period within the pre-wakeup period, than an average dimming ratio in the pre-wakeup period.

21. An illumination device, comprising:

a device body attached to an installation surface of an indoor area;

a plurality of light sources provided in the device body; and

a control unit configured to control dimming ratios of the light sources,

wherein the control unit is configured to control turn-on operations of the light sources so as to individually irradiate light on a first region including an indoor ceiling surface, a second region including a wall surface and a third region including a floor surface, pursuant to a predetermined time schedule.

22. The illumination device of claim 21, wherein the light sources include an indirect light source for irradiating light on the first region, a general light source for irradiating light on the second region, and a condensing light source for irradiating light on the third region.

23. The illumination device of claim 22, wherein, during a bedtime period ranging from a user entry time at which the user enters a bedroom to a predetermined turn-off time, the control unit is configured to turn off the general light source and the condensing light source prior to turning off the indirect light source.

24. The illumination device of claim 23, wherein the control unit is configured to turn off the general light source prior to turning off the condensing light source.

25. The illumination device of claim 21, wherein, during a wake-up period ranging from a predetermined illumination start time to a user wakeup time, the control unit is configured to turn on the indirect light source, the general light source and the condensing light source in this order.

26. The illumination device of claim 21, wherein the general light source is configured to irradiate light on a plurality of regions defined by dividing the second region.

27. The illumination device of claim 26, wherein the plurality of regions includes a first sub-region adjoining the ceiling surface, a second sub-region including an average sight-line height obtained when the user is upright, and a third sub-region adjoining the floor surface.

28. The illumination device of claim 27, wherein, during a bedtime period ranging from a user entry time at which the user enters a bedroom to a predetermined turn-off time, the control unit is configured to stop irradiation of light from the general light source on the third sub-region, the second sub-region and the first sub-region in this order.

29. The illumination device of claim 27, wherein, during a wake-up period ranging from a predetermined illumination start time to a user wakeup time, the control unit is configured to allow light from the general light source to be irradiated on the first sub-region, the second sub-region and the third sub-region in this order.

30. The illumination device of claim 21, wherein the color temperature of the light irradiated by the indirect light source is lower than the color temperature of the light irradiated by each of the general light source and the condensing light source.

31. The illumination device of claim 21, wherein the light sources are configurable in their color temperatures of the light irradiated, and the control unit is configured to, during a wakeup period ranging from a predetermined illumination start time to a user wakeup time, cause the light sources to irradiate light having the color temperatures higher than those of the light irradiated during a bedtime period ranging from a user entry time at which the user enters a bedroom to a predetermined turn-off time.