JP2009026613A - Illuminance sensor apparatus and illumination control system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an illuminance sensor apparatus capable of easily identifying correspondence relation to a luminaire, accurately performing light control having target illuminance, and also providing a comfortable illumination space adjusted to preference of each individual user. <P>SOLUTION: This illuminance sensor apparatus is equipped with a receiving means 13 to receive visible light emitted from the luminaire 12 for irradiating visible light on which its own ID information set in advance has been superimposed, an ID information detecting means 14 to detect the ID information of the luminaire which has been superimposed on the visible light received by the receiving means 13, an illuminance detecting means 15 to detect illuminance of the visible light received by the receiving means 13, and a transmitting means 16 to transmit the ID information and the illuminance. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an illuminance sensor device that detects the illuminance of a luminaire installed in a facility and the like, and an illumination control system that performs dimming control of the luminaire based on the illuminance detected by the illuminance sensor device.

  For lighting control systems in offices, etc., the illuminance of light reflected from the illuminated surface of the illumination area is measured by an illuminance sensor placed on the ceiling surface, and the measured illuminance is transmitted to a central device to dimm the luminaire. There is something to control. In such a central device of the lighting control system, the measured illuminance measured by the illuminance sensor is compared with the target illuminance value, and control data of the luminaire is generated so that the illuminance of the illumination area becomes the target illuminance value. Dimming control.

  In an illumination control system that controls the light output of a luminaire according to the detection output of the illuminance sensor, for example, calculate the measured illuminance measured by the illuminance sensor and the actual illuminance of the illumination area from the wireless setting device based on a predetermined calculation Processing to calculate a predetermined correction ratio, and the numerical value obtained by multiplying the measured illuminance by this correction ratio is recognized as the illuminance of the illumination area, so that illuminance correction work can be performed efficiently by one person during construction and maintenance. There is an illumination control system that can do this (see, for example, Patent Document 1).

In addition, the illuminance sensor attached to the ceiling surface detects the light output of each illumination load and the reflected light of outside light (for example, sunlight incident from a window), performs feedback control based on the detection result, and Some have made it possible to reduce false detection due to outside light while ensuring the upper surface illuminance (for example, see Patent Document 2).
JP 2002-75664 A JP 2000-133471 A

  However, in the thing of patent document 1, it is necessary to set the correspondence of the lighting fixture and illuminance sensor controlled according to the illuminance measured with a certain illuminance sensor beforehand to the light control device (central device).

  In addition, when an illuminance sensor is installed on the ceiling, the reflected light of the illumination light from the lighting fixture is input to measure the illuminance on the desk surface. The light becomes large and the illuminance is higher than the actual illuminance. In other words, when a highly reflective object is placed on the desk surface, the illuminance sensor determines that the illuminance value is higher than the actual value, so the central device performs dimming control so that the illuminance is low. . Furthermore, the target illuminance value of the illuminance on the desk surface is often set uniformly, and in such a case, adjustment of the luminaire to obtain the illuminance according to the physical condition and preference of the user. Light control is not possible.

  The object of the present invention is to control the light intensity of the target illuminance with high accuracy, to easily identify the correspondence between the illuminating device and the irradiation position irradiated by the illuminating device, and to suit the individual preference of each user. An illumination sensor device and an illumination control system that can provide a comfortable illumination space.

  The illuminance sensor device according to the first aspect of the present invention is a receiving means for receiving visible light emitted from a lighting device that emits visible light on which ID information set in advance is superimposed; visible light received by the receiving means; ID information detecting means for detecting ID information of a lighting fixture superimposed on light; illuminance detecting means for detecting illuminance of visible light received by the receiving means; and transmitting means for sending the ID information and the illuminance; It is provided with.

  In the present invention and the following inventions, definitions and technical meanings of terms are as follows unless otherwise specified.

  The self ID information is an ID (Identification) for identifying the self-luminaire, and is unique identification information assigned in advance to a plurality of luminaires. “Superimpose own ID information” means that the ID information is included in the visible light emitted by the luminaire for illumination. The transmission means for sending ID information and illuminance includes both wireless and wired.

  The illuminance sensor device according to the invention of claim 2 has a memory storing a target illuminance value detected by the illuminance detection means or a multiplier for determining the target illuminance value, and the transmission means receives the reception means. The illuminance of visible light, the ID information, and the target illuminance value stored in the memory or a multiplier for determining the target illuminance value are transmitted.

  The present invention provides a memory for storing a target illuminance value of the illuminance detected by the illuminance detection means or a multiplier for determining the target illuminance value, in addition to the ID information and the illuminance. Alternatively, a multiplier for determining the target illuminance value is transmitted. The multiplier for determining the target illuminance value is a coefficient by which the recommended illuminance (reference illuminance) is multiplied. The memory is a rewritable memory, and a target illuminance value or a multiplier for determining the target illuminance value can be rewritten from a personal computer.

  An illuminance sensor device according to a third aspect of the present invention has a personal computer interface circuit, and the transmission means transmits the illuminance of visible light received by the reception means via the personal computer interface circuit.

  The present invention employs a personal computer interface circuit that transmits ID information and the illuminance as the transmission means of the first or second aspect of the invention. The personal computer interface circuit is an interface circuit that can be connected to a personal computer, such as a USB (Universal Serial Bus).

  In addition to the ID information and illuminance, the personal computer interface circuit may send out a target illuminance value or a multiplier for determining the target illuminance value.

  According to a fourth aspect of the present invention, there is provided a lighting control system comprising: a lighting device that emits visible light superimposed with preset ID information; a receiving unit that receives visible light emitted from the lighting device; and the receiving unit. ID information detecting means for detecting the ID information of the lighting fixture superimposed on the visible light received in step, illuminance detecting means for detecting the illuminance of visible light received by the receiving means, transmission for sending the ID information and the illuminance A target illuminance corresponding to the ID information of the luminaire, and the illuminance is the ID when the ID information and the illuminance sent from the illuminance sensor device are received. A central device that generates control data of the lighting fixture so as to obtain a target illuminance value corresponding to the information and sends the control data to the lighting fixture.

  The present invention constitutes an illumination control system together with a central apparatus using an illuminance sensor device. The central device identifies the lighting fixture to be controlled based on the lighting fixture ID information sent from the illuminance sensor device, and sends control data so that the illuminance becomes the target illuminance value of the lighting fixture corresponding to the ID. Dimming control of the lighting fixture is performed.

  In the illumination control system according to the invention of claim 5, the illuminance sensor device has a memory storing a target illuminance value detected by the illuminance detection means or a multiplier for determining the target illuminance value, and the transmission means Sends out the illuminance of visible light received by the receiving means, the ID information, and the target illuminance value stored in the memory or a multiplier for determining the target illuminance value, and the central device transmits the ID Control of the luminaire corresponding to the ID so that the illuminance becomes the target illuminance value of the illuminance sensor device when the information, the illuminance and the target illuminance value or a multiplier for determining the target illuminance value are received Data is generated and sent to the luminaire.

  In the present invention, the central device identifies a lighting fixture to be controlled based on the ID information of the lighting fixture sent from the illuminance sensor device, and the target illuminance value or target illuminance value sent from the illuminance sensor device is determined. Based on the multiplier for determination, the control data is transmitted so that the illuminance becomes the target illuminance value of the luminaire corresponding to the ID, and the dimming control of the luminaire is performed.

  In the illumination control system according to the invention of claim 6, the illuminance sensor device has a personal computer interface circuit, and the transmitting means transmits the illuminance of visible light received by the receiving means via the personal computer interface circuit. A personal computer is provided that receives the ID information and the illuminance transmitted from the circuit, and transmits the received ID information and the illuminance together with its own IP address.

  The present invention uses the illuminance sensor device according to claim 2 to connect the illuminance sensor device to a personal computer and configure an illumination control system together with the central device. The self IP address is unique identification information assigned to the personal computer. The central device identifies the lighting fixture to be controlled based on the ID information of the lighting fixture sent from the illuminance sensor device via the personal computer so that the illuminance becomes the target illuminance value of the lighting fixture corresponding to the ID. Control data is sent out and the light control of the lighting fixture is performed.

In the lighting control system according to the invention of claim 7, the lighting apparatus emits visible light in which the installation position information is superimposed in addition to the ID information of the lighting apparatus, and the central device receives the IP address of the personal computer. Extracting and detecting the presence position of the personal computer of the IP address based on the installation position information of the lighting fixture The present invention is directed to the invention of any one of claims 4 to 6, The luminaire is adapted to emit visible light in which its own installation position information is superimposed in addition to its own ID information.

  In the illumination control system according to the invention of claim 8, the illuminance sensor device includes a battery that can be charged from the personal computer through the personal computer interface circuit, and wireless communication means for performing wireless communication with the central device. It is characterized by.

  According to the invention of claim 1, since not only the illuminance of visible light emitted from the luminaire but also the ID information of the luminaire superimposed on the visible light is detected and transmitted, measurement of the illuminance specifying the luminaire Is possible.

  According to the invention of claim 2, since the memory for storing the target illuminance value or the multiplier for determining the target illuminance value is provided, the target illuminance value can be changed by rewriting these.

  According to the invention of claim 3, in addition to the effect of the invention of claim 2, in addition to the effect of the invention of claim 1, the illuminance sensor device can be connected to a personal computer. There is no need to set.

  According to the invention of claim 4, since the illuminance sensor device specifies the luminaire and measures the illuminance, the correspondence between the illuminance sensor device and the luminaire is central even when a movable illuminance sensor device is used. It can be automatically determined by the device.

  According to the invention of claim 5, since the illuminance sensor device specifies the luminaire and measures the illuminance, even if the illuminance sensor device moves, the correspondence with the luminaire controlled by the detected illuminance is automatically performed. To take.

  According to the sixth aspect of the present invention, the target illuminance value stored in the illuminance sensor device connected to the personal computer can be changed, so that it is possible to provide a comfortable illumination space that suits the individual preferences of each user. .

  According to the invention of claim 7, since the central device detects the IP address of the personal computer, it is possible to automatically detect the position of the personal computer (person's position) even in a free address office or the like.

  According to the invention of claim 8, since power can be supplied from the battery to the illuminance sensor device, it is possible to perform dimming control of the illuminance of the luminaire even when the personal computer is turned off.

(First embodiment)
FIG. 1 is a configuration diagram of an illuminance sensor device according to a first embodiment of the present invention. The illuminance sensor device 11 includes a receiving unit 13 that receives visible light emitted from the lighting fixture 12, an ID information detection unit 14 that detects ID information of the lighting fixture 12 superimposed on the visible light, and an illuminance of visible light. It comprises an illuminance detecting means 15 for detecting, and a transmitting means 16 for sending ID information and illuminance.

  The lighting fixture 12 irradiates visible light for illumination on which its own ID information is superimposed. The ID information detecting means 14 of the illuminance sensor device 11 detects the ID information of the lighting fixture 12 superimposed on the visible light received by the receiving means 13, and the illuminance detecting means 15 is the visible light received by the receiving means 13. Detect the illuminance. The ID information detected by the ID information detection unit 14 and the illuminance detected by the illuminance detection unit 15 are transmitted from the transmission unit 16. Therefore, the information transmitted from the illuminance sensor device 11 includes not only illuminance but also ID information specifying the lighting fixture 12.

  FIG. 2 is a configuration diagram of the illumination system according to the first embodiment of the present invention. The plurality of lighting fixtures 12a to 12n are connected to a transmission signal line 17 for lighting control, and a central device 18 that controls lighting of the plurality of lighting fixtures 12a to 12n is connected to the transmission signal line 17. Moreover, the illumination intensity of the illumination area of the some lighting fixtures 12a-12n is detected by the illumination intensity sensor apparatus 11 shown in FIG. The illuminance sensor device 11 is disposed on an irradiation surface that is actually illuminated by irradiation with light from the lighting fixtures 12a to 12n. For example, it is placed on a desk.

  The central device 18 inputs the ID information and illuminance of the luminaires 12a to 12n detected by the illuminance sensor device 11, and the luminaire 12i so that the illuminance of the luminaire 12i corresponding to the ID becomes a pre-stored target illuminance value. Control data is generated to control lighting of the luminaire 12i. In the central device 18, the target illuminance and the installation position corresponding to the IDs of the lighting fixtures 12a to 12n are stored in advance.

  3 is an explanatory diagram of a correspondence table between the IDs of the lighting fixtures 12a to 12n and the target illuminance values stored in the central device 18 in advance, and FIG. 4 is a correspondence table of the IDs of the lighting fixtures 12a to 12n and the installation positions. It is explanatory drawing. As shown in FIG. 3, the target illuminance values of the lighting fixtures 12a (ID = 1), 12b (ID = 2), and 12n (ID = n) are 750 lx, and the target illuminance value of the lighting fixture 12c (ID = 3) is 1000 lx. As described above, a target illuminance value is set in advance for each of the lighting fixtures 12a to 12n. Similarly, as shown in FIG. 4, the installation position of the lighting fixture 12a (ID = 1) is the A area of the 1F office, and the installation location of the lighting fixture 12b (ID = 2) is the B area of the 1F office, the lighting fixture. The installation position of 12c (ID = 3) is the c area of the 1F office, and the installation position of the lighting apparatus 12n (ID = n) is the n area of the 15F office. Is set.

  When the central device 18 receives the ID information and the illuminance sent from the illuminance sensor devices 11a to 11n, the central device 18 identifies the corresponding luminaire 12i from the ID information, and refers to the target illuminance value and the installation location of the luminaire 12i. To do. And the control data of the said lighting fixture 12i are produced | generated so that the illumination intensity of the lighting fixture 12i may become the target illumination value stored beforehand, and it sends out to the said lighting fixture 12i. Moreover, the place where the illumination intensity sensor apparatus 11 is arrange | positioned from the installation place of the applicable lighting fixture 12i is specified.

  FIG. 5 is a flowchart showing the processing contents of the illuminance sensor device 11 according to the first embodiment. Visible light emitted from the lighting fixture 12 is received by the receiving means 13 (S1), and the ID information detection means 14 determines whether or not the ID information of the lighting fixture 12 is superimposed on the visible light (S2). If the ID information is superimposed, the ID is stored (S3). On the other hand, the illuminance detection means 15 detects the illuminance of visible light (S4), and determines whether or not the data transmission interval time has elapsed (S5). When the data transmission interval time has not elapsed, the process returns to step S1, and when the data transmission interval time has elapsed, it is determined whether or not the ID has been received (S6). If the ID has not been received, the process returns to step S1. If the ID has been received, the transmission means 16 determines the ID information detected by the ID information detection means 14 and the illuminance detected by the illuminance detection means 15 as a central device. 18 (S7).

  In this way, the lighting fixtures 12a to 12n are connected to the central device 18 by the transmission signal line 17 for lighting control, and are controlled by the control signal from the central device 18. The illuminance sensor device 11 placed on a desk or the like receives visible light from the luminaires 12a to 12n, and when the ID and illuminance of the luminaires 12a to 12n are detected, wirelessly transmits the ID and illuminance to the central device 18. To do. The central device 18 generates and transmits control data for controlling the luminaire 12 from the received ID and illuminance, and correspondence data of the preset ID and target illuminance value. Further, the installation location of the illuminance sensor device 11 is specified from the correspondence data between the ID and the installation location.

  In the above description, the lighting fixture 12 superimposes its own ID information on visible light, but it may also superimpose its own installation position information in addition to its own ID information. In this case, the central device 18 does not need to have a correspondence table between the ID of the lighting fixture and the installation position shown in FIG. 4, and the illuminance is obtained using the installation position information of the lighting fixture 12 superimposed on the visible light from the lighting fixture 12. The location of the sensor device 11 can be specified.

  According to the first embodiment, the illuminance sensor device 11 also detects the ID information of the luminaire superimposed on the visible light in addition to the illuminance of the visible light. Therefore, the illuminance sensor device 11 specifies the luminaire 12 and measures the illuminance. be able to. Therefore, even when the movable illuminance sensor device 11 is used, the correspondence between the illuminance sensor device 11 and the lighting fixture 12 can be automatically determined by the central device 18. Further, when the luminaire 12 emits visible light in which its own installation position information is superimposed in addition to its own ID information, the central device 18 has a correspondence table between the luminaire ID and the installation position. Instead, the correspondence relationship between the illuminance sensor device 11 and the lighting fixture 12 can be obtained using the installation position information of the lighting fixture 12 superimposed on the visible light.

(Second Embodiment)
FIG. 6 is a configuration diagram of the illuminance sensor device 11 according to the second embodiment of the present invention. The illuminance sensor device 11 according to the second embodiment is different from the first embodiment shown in FIG. 1 in that it is a personal computer that transmits ID information and illuminance instead of transmitting means 16 that transmits ID information and illuminance. An interface circuit 19 is provided. The same elements as those in FIG. 1 are denoted by the same reference numerals, and redundant description is omitted.

  The personal computer interface circuit 19 is an interface circuit that can be connected to a personal computer, such as a USB (Universal Serial Bus). Thereby, the illuminance sensor device 11 can be connected to a personal computer, and the ID information and the illuminance of the lighting fixture 12 detected by the illuminance sensor device 11 are taken into the personal computer.

  FIG. 7 is a block diagram of an illumination system according to the second embodiment of the present invention. In the illumination system of the second embodiment, the illuminance sensor device 11 is connected to the personal computer 20 via a personal computer interface circuit with respect to the illumination system of the first embodiment shown in FIG. ID information and illuminance of ˜12b are detected and output to the personal computer 20. Then, the ID information and the illuminance of the lighting fixtures 12 a to 12 b are transmitted from the personal computer 20 to the central device 18.

  Since the personal computer 20 is usually placed on a desk or the like, the illuminance sensor device 11 attached to and connected to the personal computer 20 is also arranged in the vicinity of the desk. That is, the illuminance sensor device 11 measures the illuminance on the desk (irradiation surface) that is actually illuminated with the light from the lighting fixtures 12a to 12n. The ID and illuminance detected by the illuminance sensor device 11 are taken into the personal computer 20 via the personal computer interface circuit, and transmitted from the personal computer 20 to the central device 18 wirelessly.

  Similar to the illumination system of the first embodiment, the central device 18 has a correspondence table between the IDs of the lighting fixtures 12a to 12n and the target illuminance value, and a correspondence table between the IDs of the lighting fixtures 12a to 12n and the installation positions. When the central device 18 inputs the ID information and the illuminance of the luminaires 12a to 12n detected by the illuminance sensor device 11, the illuminance of the luminaire 12i corresponding to the ID becomes a pre-stored target illuminance value. Then, control data for the lighting fixture 12i is generated to control lighting of the lighting fixture 12i. Further, the position of the illuminance sensor device 11 is specified from the installation location of the corresponding lighting fixture 12i.

  FIG. 8 is a flowchart showing the processing contents of the illuminance sensor device 11 according to the second embodiment. Visible light emitted from the luminaire 12 is received by the receiving means 13 (S11), and the ID information detecting means 14 determines whether or not the ID information of the luminaire 12 is superimposed on the visible light (S12). If the ID information is superimposed, the ID is stored (S13). On the other hand, the illuminance detection means 15 detects the illuminance of visible light (S14), and determines whether the data transmission interval time has elapsed (S15). When the data transmission interval time has not elapsed, the process returns to step S1, and when the data transmission interval time has elapsed, it is determined whether or not an ID has been received (S16). If the ID has not been received, the process returns to step S1. If the ID has been received, the personal computer interface circuit (USB) 19 has detected the ID information detected by the ID information detection means 14 and the illuminance detection means 15. The illuminance is transmitted to the personal computer 20 (S17).

  In this way, the lighting fixtures 12a to 12n are connected to the central device 18 by the transmission signal line 17 for lighting control, and are controlled by the control signal from the central device 18. And the illuminance sensor device 11 connected to the personal computer 20 by the personal computer interface circuit 19 receives visible light from the lighting fixtures 12a to 12n, and detects the ID and illuminance of the lighting fixtures 12a to 12n. Send to PC 20

Data consisting of ID and illuminance is transmitted from the personal computer 20 to the central device 18 via a wired or wireless LAN. The central device 18 generates and transmits control data for controlling the luminaire 12 from the received ID and illuminance, and correspondence data of the preset ID and target illuminance value. Further, the installation location of the illuminance sensor device 11 is specified from the correspondence data between the ID and the installation location.

  In the above description, the lighting fixture 12 superimposes its own ID information on visible light, but it may also superimpose its own installation position information in addition to its own ID information. In this case, the central device 18 does not need to have a correspondence table between the ID of the lighting fixture and the installation position shown in FIG. 4, and the illuminance is obtained using the installation position information of the lighting fixture 12 superimposed on the visible light from the lighting fixture 12. The location of the sensor device 11 can be specified.

  Further, as shown in FIG. 9, the illuminance sensor device 11 is provided with a battery 21 and wireless communication means 22, and the illuminance sensor device 11 sends the ID of the luminaire 12 and the central device 18 even when the personal computer 20 is off. The illuminance may be transmitted. That is, the battery 21 of the illuminance sensor device 11 is a battery that can be charged from the personal computer 20 via the personal computer interface circuit 19 when the personal computer 20 is turned on, and when the personal computer 20 is turned on. In addition, charging is performed from the personal computer 20 via the personal computer interface circuit 19. When the personal computer 20 is on, the ID information and the illuminance of the lighting fixture 12 detected by the illuminance sensor device 11 are transmitted to the central device 18 via the personal computer 20.

  On the other hand, when the personal computer 20 is turned off, power is supplied from the battery 21 to each element of the illuminance sensor device 11, the ID information of the luminaire 12 is detected by the ID information detection means 14, and the illuminance of the luminaire 12 is determined. Detected by the illuminance detection means 15. Then, the ID information of the lighting fixture 12 detected by the ID information detection unit 14 and the illuminance detected by the illuminance detection unit 15 are transmitted to the central device 18 via the wireless communication unit 22. Thereby, the illuminance sensor device 11 can communicate with the central device 18 from the wireless communication means 22 even when the personal computer 20 is in the off state.

  In the above description, the central device 18 specifies the position of the illuminance sensor device 11 based on the ID information and the installation position information of the lighting fixture 12, but further extracts the IP address of the personal computer 20, It is also possible to specify the personal computer 20 existing at the position of the specified illuminance sensor device 11.

  Since the illuminance sensor device 11 is connected to the personal computer 20, the personal computer 20 exists at the location of the illuminance sensor device 11 specified based on the ID information of the luminaire 12 and the installation position information of the luminaire 12. Therefore, the personal computer 20 is also specified by extracting the IP address of the personal computer 20. This makes it possible to automatically detect the position of a personal computer (person's position) even in a free address office or the like.

  According to the second embodiment, since the illuminance sensor device 11 can be connected to the personal computer 20, it is not necessary to specially set the installation location of the illuminance sensor device 11. In addition, since the illuminance sensor device 11 specifies the luminaire 12 and measures the illuminance, even if the illuminance sensor device 11 connected to the personal computer 20 moves with the movement of the position of the personal computer 20, it is controlled by the detected illuminance. Correspondence with the lighting fixture 12 to be taken can be taken automatically. Further, when the luminaire 12 emits visible light in which its own installation position information is superimposed in addition to its own ID information, the central device 18 has a correspondence table between the luminaire ID and the installation position. Instead, the correspondence relationship between the illuminance sensor device 11 and the lighting fixture 12 can be obtained using the installation position information of the lighting fixture 12 superimposed on the visible light.

  Furthermore, when the illuminance sensor device 11 is provided with the battery 21 and the wireless communication means 22, since the power can be supplied from the battery 21 to the illuminance sensor device 11, the lighting apparatus can be used even when the power of the personal computer 20 is off. Light control of 12 illuminances is possible. The central device 18 detects the IP address of the personal computer 20 and can identify the position of the specific personal computer, so that the personal computer position (person's position) can be automatically detected even in a free address office or the like.

(Third embodiment)
FIG. 10 is a block diagram of the illuminance sensor device 11 according to the third embodiment of the present invention. The illuminance sensor device 11 of the third embodiment is a multiplier for determining the target illuminance value or the target illuminance value of the illuminance detected by the illuminance detection means 15 with respect to the second embodiment shown in FIG. Is additionally provided. The same elements as those in FIG. 6 are denoted by the same reference numerals, and redundant description is omitted. The illumination system using the illuminance sensor device 11 is the same as the illumination system of the second embodiment shown in FIG.

  As shown in FIG. 10, the illuminance sensor device 11 is equipped with a memory 23 that can store data, and the illuminance sensor device 11 is used in the memory 23. A multiplier for determining the illuminance value or the target illuminance value is stored. This value is notified to the central device 18 via the personal computer 20 when the illuminance sensor device 11 is connected to the personal computer 20.

  When the notified value is the target illuminance value itself, the central device 18 performs dimming control so that the luminaire 12 installed around the overhead of the illuminance sensor device 11 has the target illuminance value. Similarly, when the notified value is a multiplier for determining the target illuminance value, the central device 18 multiplies the recommended illuminance (reference illuminance) by the multiplier to obtain the target illuminance value, and the illuminance sensor device 11 The dimming control is performed so that the luminaire 12 installed in the vicinity of the head reaches the target illuminance value.

  For example, it is assumed that the recommended illuminance at a general office is 750 lx, but the user is a little old and has a decline in visual acuity, and an illuminance of about 975 lx, which is 1.3 times the recommended illuminance, is required. This magnification varies depending on the user's age, visual acuity, and preference. At this time, a value “975 lx” is stored in the memory 23 of the illuminance sensor device 11, and when the computer is connected to the personal computer 20, the value is notified to the central device 18. The central device 18 stores the notified value as a target illuminance value inside.

  After the notification to the central device 18, the illuminance sensor device 11 periodically measures the illuminance on the desk surface and sends the measured illuminance data to the central device 18. The central device 18 compares the measured illuminance data received with the target illuminance value stored therein, and performs dimming control on the luminaire 12i so as to obtain the target illuminance value. When a multiplier such as “1.3 times” is stored in the illuminance sensor device 11 instead of the target illuminance value, a recommended illuminance value “750 lx” is set in the central device in advance, and When the multiplier is notified to the device 18, the target illuminance value is calculated inside the central device 18 to perform dimming control.

  As shown in FIG. 11, the illuminance sensor device 11 is provided with a battery 21 and wireless communication means 22, and the illuminance sensor device 11 sends the ID of the luminaire 12 to the central device 18 even when the personal computer 20 is off. The illuminance, the target illuminance value, or a multiplier for determining the target illuminance value may be transmitted. That is, the battery 21 of the illuminance sensor device 11 is a battery that can be charged from the personal computer 20 via the personal computer interface circuit 19 when the personal computer 20 is turned on, and when the personal computer 20 is turned on. In addition, charging is performed from the personal computer 20 via the personal computer interface circuit 19. Thereby, the illuminance sensor device 11 can communicate with the central device 18 from the wireless communication means 22 even when the personal computer 20 is in the off state.

  The central device 18 can also extract the IP address of the personal computer 20 and specify the personal computer 20 existing at the specified position of the illuminance sensor device 11. This makes it possible to automatically detect the position of a personal computer (person's position) even in a free address office or the like.

  According to the third embodiment, since the memory 23 stores the target illuminance value or a multiplier for determining the target illuminance value, the target illuminance value can be changed by rewriting them. In addition, since the target illuminance value stored in the illuminance sensor device 11 connected to the personal computer 20 can be changed, it is possible to provide a comfortable illumination space that suits each user's preference.

  Furthermore, when the illuminance sensor device 11 is provided with the battery 21 and the wireless communication means 22, since the power can be supplied from the battery 21 to the illuminance sensor device 11, the lighting apparatus can be used even when the power of the personal computer 20 is off. Light control of 12 illuminances is possible. The central device 18 detects the IP address of the personal computer 20 and can identify the position of the specific personal computer, so that the personal computer position (person's position) can be automatically detected even in a free address office or the like.

The block diagram of the illumination intensity sensor apparatus concerning the 1st Embodiment of this invention. The block diagram of the illumination system concerning the 1st Embodiment of this invention. Explanatory drawing of the corresponding | compatible table of ID of the lighting fixture previously stored in the central apparatus in the 1st Embodiment of this invention, and target illuminance value. Explanatory drawing of the corresponding | compatible table of ID of an illuminating device previously stored in the central apparatus in the 1st Embodiment of this invention, and an installation position. The flowchart which shows the processing content of the illumination intensity sensor apparatus concerning the 1st Embodiment of this invention. The block diagram of the illumination intensity sensor apparatus concerning the 2nd Embodiment of this invention. The block diagram of the illumination system concerning the 2nd Embodiment of this invention. The flowchart which shows the processing content of the illumination intensity sensor apparatus concerning the 2nd Embodiment of this invention. The block diagram of the other example of the illumination intensity sensor apparatus concerning the 2nd Embodiment of this invention. The block diagram of the illumination intensity sensor apparatus concerning the 3rd Embodiment of this invention. The block diagram of the other example of the illumination intensity sensor apparatus concerning the 3rd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 ... Illuminance sensor apparatus, 12 ... Lighting equipment, 13 ... Reception means, 14 ... ID information detection means, 15 ... Illuminance detection means, 16 ... Transmission means, 17 ... Transmission signal line, 18 ... Central apparatus, 19 ... Personal computer interface circuit 20 ... PC, 21 ... battery, 22 ... wireless communication means, 23 ... memory

Claims (8)

Receiving means for receiving visible light emitted from a luminaire that emits visible light superimposed with preset ID information;
ID information detecting means for detecting ID information of a lighting fixture superimposed on visible light received by the receiving means;
Illuminance detecting means for detecting the illuminance of visible light received by the receiving means;
Transmitting means for transmitting the ID information and the illuminance;
An illuminance sensor device comprising:   A memory for storing a target illuminance value of the illuminance detected by the illuminance detection means or a multiplier for determining the target illuminance value; and the transmission means, the illuminance of visible light received by the reception means, the ID information, and the The illuminance sensor device according to claim 1, wherein the target illuminance value stored in a memory or a multiplier for determining the target illuminance value is transmitted.   3. The illuminance sensor device according to claim 1, further comprising a personal computer interface circuit, wherein the transmitting unit transmits the illuminance of visible light received by the receiving unit via the personal computer interface circuit. A luminaire that emits visible light superimposed with preset ID information;
Receiving means for receiving visible light emitted from the lighting equipment, ID information detecting means for detecting ID information of the lighting equipment superimposed on the visible light received by the receiving means, visible light received by the receiving means An illuminance sensor device having an illuminance detection means for detecting illuminance, a transmission means for transmitting the ID information and the illuminance;
The target illuminance corresponding to the ID information of the luminaire is stored in advance, and when the ID information and the illuminance transmitted from the illuminance sensor device are received, the illuminance becomes a target illuminance value corresponding to the ID information. A central device for generating and sending control data of the luminaire to the luminaire;
A lighting control system comprising:   The illuminance sensor device has a memory storing a target illuminance value of illuminance detected by the illuminance detection means or a multiplier for determining the target illuminance value, and the transmission means is the illuminance of visible light received by the reception means, The ID information and the target illuminance value stored in the memory or a multiplier for determining the target illuminance value are sent out, and the central device transmits the ID information, the illuminance and the target illuminance value or the target When receiving a multiplier for determining an illuminance value, generating control data of the luminaire corresponding to the ID so that the illuminance becomes a target illuminance value of the illuminance sensor device, and sending it to the luminaire The lighting control system according to claim 4, wherein   The illuminance sensor device has a personal computer interface circuit, and the transmission means transmits the illuminance of visible light received by the reception means via the personal computer interface circuit, and the ID information and the illuminance sent from the personal computer interface circuit are transmitted. 6. The lighting control system according to claim 4 or 5, further comprising a personal computer that receives and sends the received ID information and the illuminance together with its own IP address.   The lighting apparatus emits visible light in which the installation position information of itself is superimposed in addition to its own ID information, and the central device extracts the IP address of the personal computer and based on the installation position information of the lighting apparatus The lighting control system according to claim 6, wherein the presence position of the personal computer with the IP address is detected.   8. The illumination according to claim 6, wherein the illuminance sensor device includes a battery that can be charged from the personal computer through the personal computer interface circuit, and wireless communication means for performing wireless communication with the central device. Control system.

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