JP5294331B2 - Stair illuminator and stair including the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an environment in which a user can safely use stairs. <P>SOLUTION: This illumination device of the stairs includes detection parts 2 for detecting the user of the stairs 5 with a plurality of stair treads 9, light source parts 3 disposed on the plurality of stair treads 9, respectively, and a control unit 4 for controlling the illumination of the light source parts 3 based on the detection by the detection part 2. When the detection part 2 detects the user at the end of the top stage 6 or at the end of the bottom stage 7 of the stairs 5 while the light source parts 3 go off, the control unit 4 illuminates the light source parts 3 in order from the light source part 3 disposed on the stair tread 9 at the end of the stairs 5 where the user is detected to the light source part 3 disposed on the stair tread 9 at the other end of the stairs 5. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a staircase illumination device used for stairway illumination, and more particularly to a staircase illumination device that provides an environment in which the staircase can be used safely.

  When a user steps off a stepboard on a staircase of a house or the like, the user may be injured. In particular, when the brightness of the stairs is insufficient, it becomes difficult for the user to visually recognize the step board, and the risk of the user stepping off the step board increases.

  In order to solve the lack of brightness on the staircase, it is common to provide a staircase illumination device on the staircase. There are various types of staircase illumination devices. Among them, a sensor is provided to detect the user and automatically start the lighting of the stair lighting device in order to eliminate the trouble of the user turning on and lighting the stair lighting device. There is. For example, the stair illuminating device (illuminated staircase) disclosed in Patent Document 1 is provided with a sensor that detects the position of the user on the step board and the handrail of the staircase, and the user is provided with the sensor. A light emitting diode (hereinafter referred to as “LED”) disposed on the tread surface of the corrugated plate corresponding to the position where the light is present is turned on. Thereby, the user can visually recognize the tread surface of the step board even when the brightness of the stair is insufficient by turning on the LED.

JP 2005-146747 A

  However, in the stair lighting device disclosed in Patent Document 1, there is provided a configuration for detecting the traveling direction of the user of the stair, that is, whether the user is going up or down the stair. It is not done. Therefore, in the stair lighting device, although the LED disposed on the step board of the step board corresponding to the position where the user exists is lit, it is arranged on the step board of the step board in the traveling direction of the user. It is considered that a case where the provided LED is not turned on also occurs. In such a case, it becomes difficult for the user to visually recognize the step board in the traveling direction.

The present invention has been made for the purpose of solving the above-described problems, and relates to a stair illuminating device that provides an environment in which a user can safely use a staircase , and a staircase including the staircase illumination device.

To achieve the above object, the staircase illuminating device according to claim 1 includes a detection unit that detects a user of a staircase having a plurality of step plates, and a light source unit that is disposed on each of the plurality of step plates. A control unit that performs lighting control of the light source unit based on detection by the detection unit, and when the control unit is turning off the light source unit, When the user is detected at any one of the lower tier ends, the stage at the other end of the stairs from the light source unit disposed on the step board at the end of the stairs at which the user is detected. a stairs lighting device Ru are sequentially lit up light source unit disposed on the plate,
The detection unit is configured by a touch sensor disposed at an upper stage end and a lower stage end of a handrail disposed along the stairs,
The light source unit is configured by a plurality of LEDs arranged in a line so as not to protrude from the inside of a groove provided along the entire width direction of the back surface of the nose of the step plate.

  In the staircase illumination device according to claim 1, the detection unit detects the user at either the upper stage end or the lower stage end of the staircase, so that the control unit is at the end of the staircase where the user is detected. The light is sequentially turned on from the light source part of the provided step plate to the light source part of the step plate provided at the other end of the staircase. Thereby, since this staircase illuminating device illuminates the said user's advancing direction with a light source part, the said user can provide the environment where it is easy to visually recognize the said step board. In addition, since the stair illuminator gradually lightens the stairs by sequentially turning on the light source unit, the user can make the brightness brighter even in the dark surroundings such as midnight. An environment that is easy to adapt can be provided.

Further, if the user does not grasp the touch sensor provided at the upper or lower end of the handrail provided with the detection unit, the lighting of the light source unit does not start. Therefore, this stair illuminating device can motivate the user to use the staircase by grabbing the handrail, thereby making the staircase safer.

Furthermore, since the light source unit is configured by LEDs arranged in a line arranged so as not to protrude from the inside of the groove provided along the entire width direction of the back surface of the nose of the step plate , Uneven lighting can be realized. In addition, since the tread of the step board and the nose are illuminated one step below, the stair illuminating device can prevent light emitted from the LED from directly entering the eyes of the user. As described above, the staircase illumination device can reduce glare felt by the user.

In addition, since the light source unit is disposed in the entire width direction of the back surface of the nose of the step plate, the width of the step surface and the nose of the step plate below by the light emitted from the light source unit is reduced. It can be illuminated over the entire direction. Thereby, this staircase illuminating device can provide an environment in which the user can easily recognize the size of the tread surface of the step board and the position of the nose of the step board.

The perspective view of the stairs which applied the stairs lighting device of the embodiment of the present invention. The side view of the stairs shown in FIG. (A) The side view of a light source part, (b) The front view of a light source part. The block diagram of a staircase lighting device. The flowchart which shows operation | movement of a staircase lighting apparatus.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The staircase illumination device 1 of the present invention includes a detection unit 2, a light source unit 3, and a control unit 4. The stair illuminating device 1 is an illuminating device used as a lighting application for the stairs 5, and can provide an environment in which a user of the stairs 5 can use the stairs 5 safely.

  A staircase 5 to which the staircase illumination device 1 is applied is shown in FIGS. 1 and 2. The stairs 5 are provided for a user outside the figure to move between the upper floor 6 and the lower floor 7. The staircase 5 is provided with a step board 9 supported by a plurality of base plates 8 having a tread surface 10 on which the user puts his / her foot and a nose 11 which is a portion protruding from the base plate 8. . Further, the handrail 14 for preventing the user from falling from the step board 9 is supported and attached to the wall surface 12 by the support portion 13.

  The detection unit 2 detects the user at the upper floor 6 side end of the stairs 5 and the lower floor 7 side end. The detection unit 2 can be disposed on the handrail 14 or the step board 9 or the like. However, in FIGS. 1 and 2, the detection unit 2 is configured by a touch sensor and disposed on the handrail 14. Is shown. In this case, two detection units 2 are provided, and one detection unit 2 is disposed on the upper floor side end 15 of the handrail 14, and the user moves the upper floor side end 15 of the handrail 14. The gripping is detected, and the user is detected at the upper floor 6 side end of the stairs 5. The other detection unit 2 is disposed on the lower floor side end portion 16 of the handrail 14, and detects that the user has grasped the lower floor side end portion 16 of the handrail 14. The user is detected at the lower floor 7 side end. Information detected by the detection unit 2 is sent to the control unit 4.

  When the detection unit 2 is disposed on the step plate 9, the pressure sensor is disposed below the step plate 9 and detects a weight when the user places his / her foot on the tread surface 10 of the step plate 9. The detection unit 2 is configured. In this case as well, two detection units 2 are provided, and one detection unit 2 is disposed below the step board 9 on the uppermost floor 6 side, and the user touches the tread 10 of the step board 9. Is detected, and the user is detected at the upper side 6 side end of the stairs 5. The other detection unit 2 is disposed under the floor surface 9b of the lower floor 7 below the stairs 5, detects that the user has put his foot on the floor surface 9b, and thus the lower floor 7 of the stairs 5. The user is detected at the side end. In addition to the above, the detection unit 2 is configured by a human sensor such as an infrared sensor, and is arranged on the base plate 8, the tread surface 10 of the step plate 9, the wall surface 12, or the like to detect the user. May be.

  The light source unit 3 is disposed on each of the plurality of step plates 9. The light source unit 3 is provided for the purpose of illuminating the step plate 9 and the like, and is disposed on the back surface 17 of the nose 11 of the step plate 9. The light source unit 3 illuminates the tread surface 10 and the nose 11 or the floor surface 9b of the step plate 9 one step below the step plate 9 on which the light source unit 3 is disposed, and the step plate 9 The surrounding handrail 14, the base plate 8, and the like are illuminated by the light reflected on the tread surface 10, the nose 11, or the floor surface 9 b.

  Here, as shown in FIG. 3 (b), the light source unit 3 is provided on the back surface 17 of the nose 11 of the step plate 9 in a groove 18 provided along the width direction of the step plate 9. 9 is disposed over the entire region in the width direction. Thereby, the light source unit 3 can illuminate the entire tread surface 10 and the nose 11 in the width direction described above. This leads to the user being able to accurately recognize the size of the tread surface 10 of the corrugated board 9 and the position of the nose 11.

  Further, the light source unit 3 is configured by using an LED 19 as shown in FIG. Since the LED 19 is a point light source, there is a problem that the glare becomes strong. As described above, the tread surface 10 and the nose 11 of the step plate 9 one step below the step plate 9 on which the LED 19 is disposed are illuminated. It is configured to do. Further, as shown in FIG. 3A, the light source unit 3 is completely stored in the groove 18 and is disposed so as not to protrude from the back surface 17 of the step nose 11 of the step plate 9. As a result, the light emitted from the LED 19 is prevented from directly entering the eyes of the user. Further, the light source unit 3 is configured by arranging a plurality of LEDs 19 in a line in order to avoid the concentration of light emitted from the LEDs 19 and to make the light uniform. Thereby, the light source part 3 can illuminate the tread surface 10 of the corrugated board 9, the nose 11 grade | etc., Uniformly. As described above, the light source unit 3 reduces glare.

  Further, the light source unit 3 is provided with a cover 20 made of light-transmitting glass, plastic or the like for the purpose of protecting the LED 19 so as to surround the LED 19. The cover 20 can be used for the purpose of further uniforming the light emitted from the LEDs 19 by being made of a material colored milky white or the like, or a material added with a light diffusing substance or the like. In FIG. 3, the cover 20 has a substantially trapezoidal cross section. However, the present invention is not limited to this, and may have an arbitrary shape.

  The control unit 4 controls lighting of the light source unit 3 based on information from the detection unit 2, and is connected to all the detection units 2 and the light source unit 3 as shown in FIG. Yes. The control unit 4 is configured by, for example, a microcomputer, a memory, etc., not shown. Further, the control unit 4 is connected to a commercial power source through a power line (not shown), and includes a DC power source that generates DC power to supply power to the light source unit 3 from AC power supplied from the commercial power source. ing. In addition, although the said control part 4 is arrange | positioned in the step board 9 lower part in FIG.1 and FIG.2, the arrangement | positioning location is not limited, For example, you may arrange | position in the wall surface 12. FIG.

  The lighting control of the light source unit 3 by the control unit 4 is performed according to the flowchart shown in FIG. In S <b> 1, the control unit 4 determines that the detection unit 2 on the upper floor 6 side is on the stairs 5 in a state where all the light source units 3 are turned off, that is, in a state where there is no user currently using the stairs 5. It is determined whether or not the user is detected at the floor 6 side end. If all the light sources 3 are turned off and the detection unit 2 on the upper floor 6 detects the user at the upper floor 6 side end of the stairs 5, the control unit 4 Enters the stairs 5 and determines that it is going down from the upper floor 6 to the lower floor 7 (YES in S1), and proceeds to S2. On the other hand, the control unit 4 does not turn off all the light source units 3 or the detection unit 2 on the upper floor 6 side does not detect the user at the upper floor 6 side end of the stairs 5 (in S1). NO), go to S8.

  In S <b> 2 of FIG. 5, the control unit 4 turns on the light source unit 3 disposed on the step plate 9 on the uppermost floor 6 side. Thereby, when the user tries to descend from the upper floor 6 to the lower floor 7, the user can first visually recognize the tread surface 10 and the nose 11 of the second stage plate 9 from the upper floor 6. .

  The control unit 4 is disposed on the step plate 9 within the range from the upper floor 6 to a predetermined number of steps when turning on the light source unit 3 disposed on the step plate 9 on the uppermost floor 6 side. The light source unit 3 may also be turned on. By doing so, the user can visually recognize the tread surface 10 and the nose 11 of the plurality of step boards 9 on the traveling direction side (lower floor 7 direction side) at the same time.

  In S3 of FIG. 5, the control unit 4 takes the time required for the user to move from the plate 9 to the next lower plate 9 after turning on the light source unit 3 in S2 or S4. It is determined whether or not a time corresponding to has elapsed. When it is determined that the time has elapsed (YES in S3), the control unit 4 proceeds to S4. Moreover, the control part 4 waits, when it is judged that the said time has not passed (it is NO at S3). The time may be determined by an average moving speed of the user, or may be determined by actually measuring the moving speed of the user who actually uses the stairs 5. The time may be set by the user from a terminal (not shown) connected to the control unit 4.

  In S4 of FIG. 5, the control unit 4 is disposed on the step plate 9 that is one step lower than the step plate 9 on which the light source unit 3 on the lower floor 7 side that has been lit in the past is disposed. The light source unit 3 is turned on. Accordingly, the control unit 4 is arranged on the step plate 9 on the lowermost floor 7 side from the light source unit 3 disposed on the stepboard 9 on the uppermost floor 6 side in accordance with the moving speed of the user. The light sources 3 that are provided are sequentially turned on.

  In S5 of FIG. 5, the control unit 4 checks whether or not the light source unit 3 of the step board 9 closest to the lower floor 7 is lit. When the light source unit 3 is lit, the control unit 4 is disposed on the step plate 9 on the lowermost floor 7 side from the light source unit 3 disposed on the step plate 9 on the uppermost floor 6 side. It is determined that the sequential lighting up to the light source unit 3 has been completed (YES in S5), and the process proceeds to S6. On the other hand, the control unit 4 determines that the sequential lighting is not completed when the light source unit 3 disposed on the step plate 9 on the lowest floor 7 side is not lit (NO in S5), Return to S3.

  In S <b> 6 of FIG. 5, the control unit 4 determines whether or not the detection unit 2 on the lower floor 7 side detects the user at the lower floor 7 side end of the stairs 5. If the detection unit 2 on the lower floor 7 detects the user at the lower floor 7 side end of the stairs 5 (YES in S6), the control unit 4 ends the use of the stairs 5 And proceed to S15. On the other hand, if the detection unit 2 on the lower floor 7 does not detect the user at the lower floor 7 side end of the stairs 5 (NO in S6), the control unit 4 proceeds to S7.

  In S7 of FIG. 5, the control unit 4 detects the user at the upper floor 6 side end of the stairs 5 when the detection unit 2 on the upper floor 6 side in a state where all the light source units 3 are turned off in S1. It is determined whether or not the user has passed the time necessary to leave the stairs 5 after determining that the user has left. This is because, when the detection unit 2 is configured by a touch sensor and disposed on the handrail 14, the user leaves the stairs 5 without touching the detection unit 2 on the lower floor 7 side, or the use This is to prevent the light source unit 3 from staying lit when the person returns to the upper floor 6 in the middle of the stairs 5. When it is determined that the time has elapsed (YES in S7), the control unit 4 proceeds to S15. On the other hand, if it is determined that the time has not elapsed (NO in S7), the process returns to S6. In addition, although the said time is based on the quantity of the step board 9 of the stairs 5, etc., it may be 5 minutes, for example. The time may be set by the user from the terminal or the like connected to the control unit 4.

  In S8 of FIG. 5, the control unit 4 determines that the detection unit 2 on the lower floor 7 side is in the staircase state in a state where all the light source units 3 are turned off, i. It is determined whether or not the user is detected at the lower floor 7 side end of 5. If all the light sources 3 are turned off and the detection unit 2 on the lower floor 7 side detects the user at the lower floor 7 side end of the stairs 5, the control unit 4 Enters the stairs 5 and determines that the user is going up the stairs 5 from the lower floor 7 to the upper floor 6 (YES in S8), and proceeds to S9. On the other hand, the control unit 4 does not turn off all the light source units 3 or the detection unit 2 on the lower floor 7 side does not detect the user at the lower floor 7 side end of the stairs 5 (in S8). NO), return to S1.

  In S <b> 9 of FIG. 5, the control unit 4 turns on the light source unit 3 disposed on the step board 9 closest to the lower floor 7. Thereby, the user can first visually recognize the floor surface 9b when trying to go up from the lower floor 7 to the upper floor 6.

  The control unit 4 is disposed on the step plate 9 in the range from the lower floor 7 to the upper stage of the predetermined number of steps when the light source unit 3 disposed on the step plate 9 closest to the lower floor 7 is turned on. The light source unit 3 may also be turned on. By doing in this way, in addition to the floor surface 9b, the user can view the tread surface 10 and the nose 11 of the plurality of step plates 9 on the traveling direction side (upper floor 6 direction side) at the same time. Become.

  In S10 of FIG. 5, the control unit 4 requires the user to move from the step board 9 to the upper plate 9 after the light source unit 3 is newly turned on in S9 or S11. It is determined whether a time corresponding to the time has elapsed. When it is determined that the time has elapsed (YES in S10), the control unit 4 proceeds to S11. Moreover, the control part 4 waits, when it is judged that the said time has not passed (it is NO at S10). The time is determined in the same manner as described in S3.

  In S11 of FIG. 5, the control unit 4 is disposed on a step plate 9 that is one step higher than the step plate 9 on which the light source unit 3 on the uppermost floor 6 side that has been lit is disposed. The light source unit 3 is turned on. Thereby, the control unit 4 is arranged on the step plate 9 on the uppermost floor 6 side from the light source unit 3 arranged on the stepboard 9 on the lowermost floor side in accordance with the moving speed of the user. The light sources 3 that are provided are sequentially turned on.

  In S12 of FIG. 5, the control unit 4 confirms whether or not the light source unit 3 of the step board 9 on the uppermost floor 6 side is lit. When the light source unit 3 is turned on, the control unit 4 is arranged on the step plate 9 on the uppermost floor 6 side from the light source unit 3 arranged on the step plate 9 on the lowermost floor side. It is determined that the sequential lighting up to the light source unit 3 has been completed (YES in S12), and the process proceeds to S13. On the other hand, the control unit 4 determines that the sequential lighting is not completed when the light source unit 3 arranged on the step board 9 on the uppermost floor 6 side is not lit (NO in S12), Return to S10.

  In S <b> 13 of FIG. 5, the control unit 4 determines whether or not the detection unit 2 on the upper floor 6 side detects the user at the upper floor 6 side end of the stairs 5. If the detection unit 2 on the upper floor 6 detects the user at the upper floor 6 side end of the stairs 5 (YES in S13), the control unit 4 ends the use of the stairs 5 And proceed to S15. On the other hand, if the detection unit 2 on the upper floor 6 does not detect the user at the upper floor 6 side end of the stairs 5 (NO in S13), the control unit 4 proceeds to S14.

  In S14 of FIG. 5, the control unit 4 detects the user at the end of the lower floor 7 side of the stairs 5 by the detection unit 2 on the lower floor 7 side with all the light source units 3 turned off in S8. It is determined whether or not the user has passed the time necessary to leave the stairs 5 after determining that the user has left. This is because, when the detection unit 2 is configured by a touch sensor and disposed on the handrail 14, the user leaves the stairs 5 without touching the detection unit 2 on the upper floor 6 side, or the use This is to prevent the light source unit 3 from staying lit when the person turns back to the lower floor 7 in the middle of the stairs 5. When it is determined that the time has elapsed (YES in S14), the control unit 4 proceeds to S15. On the other hand, if it is determined that the time has not elapsed (NO in S14), the process returns to S13. The time is determined in the same manner as the method described in S7.

  In S15 of FIG. 5, the control unit 4 turns off all the light source units 3. Thereby, this staircase illuminating device 1 can eliminate the waste that the light source unit 3 continues to be lit even though the user does not exist on the staircase 5. Moreover, in this staircase lighting device 1, in S6 and S13 of FIG. 5 described above, the control unit 4 determines that the use of the user's staircase 5 is finished, and in S7 and S14, the use is performed. Since it is determined that the time required for the person to leave the stairs 5 has elapsed, the light source unit 3 can be prevented from turning off even when the user is using the stairs 5.

  As described above, in the staircase illumination device 1, the user is detected by the detection unit 2 at the upper floor 6 side end or the lower floor 7 side end of the stairs 5. The control unit 4 determines that the user has entered the stairs 5 and is using the stairs 5 by the detection unit 2 performing the above detection when the light source unit 3 is turned off. And the control part 4 performs lighting control which lights the light source part 3 arrange | positioned in the step board 9 sequentially so that the advancing direction of the said user may always be illuminated. Thus, the user can easily see the tread surface 10 of the corrugated board 9, the nose 11 and the like. In addition, the light source unit 3 is gradually turned on by the control unit 4 as described above, so that the vicinity of the staircase 5 is gradually brightened. However, it becomes easy to adapt to the brightness due to the lighting of the light source unit 3.

  Moreover, in this staircase illuminating device 1, since the light source part 3 is arrange | positioned over the width direction whole region of the back surface 17 of the nose 11 of the said step board 9, it is 1 from the said step board 9 in which self is arrange | positioned. Since the step surface 10 of the step plate 9 under the step and the entire width direction of the nose 11 are illuminated, the user can grasp the size of the step surface 10 of the step plate 9, the position of the step nose 11, and the like. .

  Further, in the staircase illumination device 1, the light source unit 3 is configured by arranging a plurality of LEDs 19 in a line shape, thereby illuminating the tread surface 10 and the nose 11 of the step plate 9 without unevenness, and the back surface of the step plate 9. By being disposed in the groove 18 provided along the width direction of 17, the light emitted from the LED 19 is prevented from directly entering the eyes of the user. As a result, the glare felt by the user is reduced.

  Further, when the detection unit 2 is disposed on the handrail 14, the staircase illumination device 1 detects that the user has grasped the handrail 14 by the detection unit 2 and turns on the light source unit 3. That is, in this case, the user needs to grasp the handrail 14 in order to turn on the light source unit 3. Thereby, this staircase illuminating device 1 can motivate the user to use the staircase 5 by grasping the handrail 14. Furthermore, since the LED 19 constituting the light source unit 3 can obtain a sufficient amount of light as illumination due to the improvement of the technical level, the tread surface 10 and the nose 11 of the step board 9 are only in a dark state such as midnight. In addition, even when the surroundings of the staircase 5 are bright to some extent, such as in the evening, the light source unit 3 illuminates at a level that the user can visually recognize. That is, the user can always and accurately view the tread surface 10 and the nose 11 of the step board 9 with the stair illumination device 1. As described above, the staircase illumination device 1 can provide an environment in which the user can safely use the staircase 5.

  Further, the LED 19 has a feature that there is almost no broken ball like a general fluorescent lamp, and the life is not shortened even if it is repeatedly turned on and off. Thus, the staircase illumination device 1 can be used as a maintenance-free illumination device. Further, in recent years, the LED 19 has been improved in luminous efficiency as it is aligned with a fluorescent lamp. Therefore, the staircase illumination device 1 also exhibits an energy saving effect in combination with the fact that it is possible to prevent useless lighting of the light source unit 3 by controlling the lighting of the light source unit 3 by the control unit 4.

  The staircase illumination device 1 shown in the present embodiment is only one aspect of the staircase illumination device according to the present invention, and various modifications can be made without departing from the gist of the present invention.

  The stair illuminating device according to the present invention can be applied as a stair illuminating device regardless of indoor stairs or outdoor stairs. Furthermore, the stair illuminating device can also be applied to a staircase without a handrail, a staircase where a landing is provided in the middle, a stairway for moving to a loft in a house, and the like.

DESCRIPTION OF SYMBOLS 1 Stairway lighting device 2 Detection part 3 Light source part 4 Control part 5 Stairway 9 Step board 10 Tread

Claims (1)

A detection unit for detecting a user of a staircase having a plurality of step boards;
A light source unit disposed on each of the plurality of step plates;
A control unit that performs lighting control of the light source unit based on detection by the detection unit,
The control unit detects the user when the light source unit is turned off and the detection unit detects the user at either the upper stage end or the lower stage end of the staircase. from the light source unit which is disposed on the stage plate edge of the stairs, a stairs lighting device Ru are sequentially lit up light source unit disposed on the stepped plate of the other end of the stairway,
The detection unit is configured by a touch sensor disposed at an upper stage end and a lower stage end of a handrail disposed along the stairs,
The stair illuminating device, wherein the light source unit is configured by a plurality of LEDs arranged in a line in a groove provided along the entire width direction of the back surface of the step nose of the step plate.

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