JPH0952681A - Facing lighting system for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the quantity of reflection of the lighting when a car is stopped at a non-observation floor without a view by providing a comparing circuit for comparing the detected quantity of light with the preset reference quantity of light and a control unit connected to the comparing circuit and for controlling the quantity of light from a lighting system on the basis of the comparing output signal. SOLUTION: The data of the quantity of light detected by a light detecting unit 8 is supplied to a microcomputer 12 through a quantity of light detecting buffer 11. The microcomputer 12 is provided with a comparing circuit 12b for comparing the data of the quantity of light from the quantity of light detecting buffer 11 with the reference quantity of light. When the quantity of light detected by the light detecting unit 8 exceeds the reference quantity of light, the control signal is supplied to a lighting control unit 14 through a lighting output buffer 13. The lighting control unit 14 controls a luminaire on the basis of the control signal from the microcomputer 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an exterior lighting device for an elevator used in a prospective elevator or the like.

[0002]

2. Description of the Related Art Generally, a prospective elevator has a function as a moving accessory in a vertical direction (ascending / descending direction) in a building or the like, and also has a great effect by it, and is effective in a department store, a shopping center,
It is widely installed in hotels. Moreover, in order to further improve the effect of these elevators for observation, a lighting device for exterior decoration such as a fluorescent lamp or an incandescent lamp is often attached to the upper and lower portions of the car. In addition, the luminaires used for these are often of high brightness so that they can be seen from a distance outside the building.

Normally, the exterior illuminating device has a specification such as a neon sign, in which the illuminating devices are not turned on one after another, as shown in FIG.
As shown in FIG. 3, the AC power supply 1 has a simple configuration in which it is connected to the luminaire 3 on the side of the car via the switch 2 on the control panel, and the luminaire 3 is set to always keep lighting.

For this reason, even if the car is moved up and down and the car is located on the basement floor of the building or other non-observation floors that cannot be overlooked, the exterior decoration lighting remains lit as in the observation floor. Therefore, when the car is located on the non-observation floor where the building cannot be viewed, the exterior decoration illumination is applied to the inner wall of the building where the hoistway is formed. Since the lighting on this non-observation floor is not visible from the outside of the building, not only is the exterior lighting of the elevator meaningless, but passengers also see light reflected from the inner walls of the building (hoistway). As I enter, I feel a sense of discomfort. In addition, the non-observation floor and the like are generally inconspicuous due to the structure of the building, but there was also the inconvenience that the interior of the hoistway was illuminated by the exterior lighting of the elevator and was visible to passengers.

Japanese Unexamined Patent Publication No. 54-83253 discloses that when a car is located on a non-observation floor where the view cannot be seen, the lighting for exterior decoration is turned off to prevent unnecessary power consumption. . Certainly it is effective in a building with many non-observation floors and there are consecutive non-observation floors,
When the observation floor and the non-observation floor alternate, the lighting for exterior decorations is frequently turned on and off repeatedly, which conversely increases power consumption. Also, the exterior decoration lighting was switched on and off each time a car came in and out of the non-observation floor, which would shorten the life of lighting bulbs and fluorescent lamps extremely, so the lighting fixtures would have to be replaced frequently. There are also drawbacks such as becoming.

Furthermore, some lighting equipment for exterior decoration requires a certain period of time to be turned off and then turned on again. With such lighting equipment, in the case of a building with a structure in which the observation floor and non-observation floor are closely spaced or the observation floor and the non-observation floor alternate, the passage timing and lighting and It becomes difficult to synchronize with the timing of turning off. For example, when the car passes through the observation floor, the lighting timing is delayed and all of the exterior decoration lighting fixtures are turned on until the car enters the next non-observation floor. There is a problem that the desired sufficient effect cannot be obtained.

[0007]

SUMMARY OF THE INVENTION The present invention provides an exterior lighting device for an elevator, wherein when the car is located on a non-observation floor where the view cannot be seen, the light of the illumination is radiated to the inner wall of the hoistway of the building, and the light enters the car. An object of the present invention is to reduce the amount of reflection in a timely and efficient manner, to improve the life of the lighting fixture and save power while maintaining the decorative effect.

[0008]

SUMMARY OF THE INVENTION The present invention is an exterior lighting device for an elevator in which a decorative lighting device is provided on the outer surface of a car, and the light from the lighting device is reflected on a wall surface or the like forming an elevator hoistway. Connected to this photodetector, and a comparator circuit connected to this photodetector for comparing the photodetection amount from this photodetector with a preset reference light amount. And a controller configured to control the amount of light from the luminaire according to the compared output signal.

The present invention is configured as described above, and compares a photodetector for detecting the amount of light reflected by the wall surface or the like and received, and the amount of light detected from this photodetector with a preset reference amount of light. As a result of having a comparison circuit for controlling and a controller configured to control the amount of light from the luminaire by a comparison output signal, the light intensity of the luminaire is controlled according to the amount of light reflected from the wall surface, so that the car When located on a non-observation floor, the amount of light reflected in the car can be reduced in a timely manner, and the light amount is controlled so that it is adjusted instead of directly turning on and off all the lighting fixtures as in the past. It is also possible to improve the service life of lighting equipment such as a light bulb.

[0010]

DETAILED DESCRIPTION OF THE INVENTION An embodiment of an exterior lighting device for an elevator according to the present invention will be described in detail below with reference to the drawings.

1 to 4 are a configuration diagram and a wiring diagram showing a first embodiment of an exterior lighting device for an elevator according to the present invention. That is, FIG. 1 is a vertical cross-sectional view showing a state where the elevator car 4 is located on the observation floor 5, where the car 4 is inside the hoistway 6 of the building and the outer concrete wall of the hoistway 6 is The transparent glass plate 7 is incorporated, and the side windows of the car 4 itself facing each other are also provided with an observation window 41 using a transparent glass plate or the like so that passengers can see the outside. Further, a lighting fixture 3 for exterior decoration is attached to a lower portion of the car 4, and the lighting fixture 3 has upper and lower portions 2.
Lighting fixtures 3a and 3b are provided in the row. Furthermore, basket 4
The photodetector 8 is attached near the observation window 41 of. Although the lighting fixture 3 is attached to the lower portion of the car 4, it is not limited to this as long as it can be seen from the outside, and it can be attached to the upper portion or the side portion of the car 4.

FIG. 2 is a vertical cross-sectional view showing a state where the elevator car 4 is located on a non-observation floor 9 such as a basement floor which cannot be observed. The outer surface of the hoistway 6 is made of a concrete wall 10, and the passengers in the car 4 are obstructed by the wall 10 and cannot see the outside of the building. Therefore, the light from the lighting device 3 for exterior decoration is applied to the concrete wall 10
It is reflected by and part of it jumps into the eyes of passengers in the car 4 through the observation window 41.

Now, as shown in FIG. 2, the car 4 is
When located on the non-observation floor 9, the amount of reflected light from the inner wall of the hoistway 6 of the building, etc., of the irradiation light from the lighting device 3 for exterior decoration is detected by the photodetector 8.

The data of the amount of light detected by the photodetector 8 is
As shown in FIG. 3, it is supplied to a microcomputer 12 via a light amount detection buffer 11. The microcomputer 12 includes a comparison circuit 12b that compares the light amount data from the light amount detection buffer 11 with the reference light amount data preset by the light amount reference setting circuit 12a, and the light amount detected by the photodetector 8 is the reference light amount. Is supplied to the lighting controller 14 via the lighting output buffer 13.

The lighting controller 14 receives the control signal from the microcomputer 12 and controls the lighting equipment 3. The lighting equipment 3 attached to the car 4 has an AC power supply 1 in the building as shown in FIG. Are connected via the switch 2 of the control panel and the lighting controller 14, and the two lighting fixtures 3a of the lighting fixture 3 are connected.
3b is a control relay contact a1 and b1 of the lighting controller 14
Are connected in series in correspondence with each other. Therefore, the lighting controller 14 receives the control signal from the microcomputer 12, drives the control relay contacts a1 and b1, and controls the lighting fixtures 3a and 3b of the lighting fixture 3 to be turned off and on by the opening / closing operation of the control relay contacts a1 and b1. It can be turned on and the amount of light can be changed. Of course, the illuminators 3a and 3b can change the quantity of light arbitrarily by changing the number thereof together with the control relay contacts. Further, various lighting devices having different brightness can be combined, for example, the lighting devices 3a and 3b have different brightness in advance.

Therefore, the amount of light emitted by the luminaire 3 is
2000 lux or more when both the lighting fixtures 3a and 3b are turned on, and 150 when only the lighting fixture 3a is turned on
Set to 0 lux. The operation of this embodiment will be described on the assumption that the amount of light coming in from the outside detected by the photodetector 8 when the car 4 is stopped on the observation floor 5 is 1000 lux.

First, when the elevator car 4 is on the observation floor 5 shown in FIG. 1, the control relay contacts a1 and b are provided.
Both of the contacts 1 are closed, both of the lighting fixtures 3a and 3b are turned on, and 2000 lux of light passes through the transparent glass plate 7 of the building and is radiated to the outside. At this time, the amount of light reflected from the surface of the wall (10) is so small that it can be ignored, and the amount of light detected by the photodetector 8 can be considered to be only light coming from the outside, and is therefore 1000 lux.

Next, when the elevator moves up or down and the car 4 is located on the non-observation floor 9 shown in FIG. 2, the light emitted by the lighting fixture 3 is emitted from the inner wall 1 of the hoistway 6.
Reflected at 0, light near 2000 lux is emitted to the car 4 side. Then, the light amount value detected by the photodetector 8 is input to the microcomputer 12 via the light amount detection buffer 11. In the microcomputer 12, the detected light amount is smaller than the total value of the light amounts when all of the lighting devices 3a and 3b are turned on, and is larger than the light amount when only the lighting device 3a of the lighting devices 3a and 3b is turned on, For example, 1600 lux is preset by the light amount reference setting circuit 12a and compared by the comparison circuit 12b,
Judge whether it exceeds 1600 lux, 16
If it exceeds 00 lux, control relay contact b1
The lighting controller 14 is driven to turn off. In response to this, the lighting controller 14 opens the control relay contact b1 and turns off the lighting fixture 3b. As a result, the amount of light emitted by the luminaire 3 is reduced from 2000 lux to 1500 lux, and accordingly, the amount of light radiated into the car 4 by reflection is reduced.

Contrary to the above, the elevator car 4 has the non-observation floor 9 shown in FIG. 2 to the observation floor 5 shown in FIG.
When moving to, the light that had been reflected on the surface of the wall 10 will pass through the transparent glass plate 7 and will be emitted to the outside at the light intensity level when the lighting fixture 3 is located on the observation floor 5. The amount of light detected by the detector 8 is reduced to 1000 lux as described above. Then, the light amount value detected by the photodetector 8 is input to the microcomputer 12 via the light amount detection buffer 11, and in the microcomputer 12, the light amount detected by the photodetector 8 turns on the lighting fixture 3a. The comparison circuit 12b determines whether or not the light intensity value that is smaller than the current light intensity and enters from the outside on the observation floor 5 is, for example, less than the reference light intensity setting value 1100 lux preset by the light intensity reference setting circuit 12a.
If it is less, turn on the control relay contact b1
The lighting controller 14 is instructed to do so. Upon receiving this instruction, the lighting controller 14 closes the control relay contact b1 and turns on the lighting fixture 3b. As a result, the light emission amount of the lighting device 3 increases from 1000 lux to 2000 lux, and the light amount of the lighting device 3 reduced on the non-viewing floor 9 returns to the original level. In this way, the light intensity reference setting circuit 12a of the microcomputer 12 sets the reference light intensity setting value (1600 lux) when the car 4 enters the non-observation floor 5 from the observation floor 5 and enters the observation floor 5 from the non-observation floor 9. Reference light intensity set value (110
0 lux) is set, and the comparison circuit 12b corresponding to each is set.
Accurate operation is possible by activating.

As described above, according to this embodiment, when the car 4 is located on the non-observation floor 9 and the light for exterior decoration enters the car 4, a plurality of systems are provided for the car 4. (2
System 3a, 3b) By turning on only some systems (1 system 3a) of the decorative lighting, the amount of light reflected by the hoistway wall 10 is suppressed, and passengers in the car 4 feel dazzling, It is possible to prevent the interior of the hoistway 6 from being unnecessarily illuminated.

Next, a second embodiment of the exterior lighting device for an elevator according to the present invention will be described with reference to FIGS.

That is, in FIG. 5, a lighting controller 14 is connected between the lighting fixture 3 and the AC power source 1 and the switch 2. The lighting controller 14 has a control relay contact a.
The control relay contacts a1 and b1 have ON / OFF control by the output signal of the microcomputer 12 shown in FIG. Here, the power supply conversion circuit 14a outputs a voltage of 100% of the rated voltage of the lighting fixture 3 when the control relay contact a1 is ON, and outputs a voltage of 100% of the rated voltage of the lighting fixture 3 when the control relay contact b1 is ON. 7
It is set to output a voltage of 5%. Further, assuming that the amount of light emitted by the luminaire 3 is 2000 lux or more when the rated voltage is applied to the luminaire 3 and 1500 lux when the voltage of 75% of the rated voltage is applied, the photodetector 8 outputs The control signal from the microcomputer 10 which has received the signal controls switching of the control relay contacts a1 and b1 to switch the light emission amount.

As described above, in the embodiment shown in FIG. 5, since the voltage value applied to the lighting fixture 3 is changed by the power conversion circuit 14a and the light quantity is changed, the same function as that of the first embodiment is obtained. In addition to the effect, the light quantity is controlled simply by switching the supply voltage, so that the lighting device 3 is turned on.
The number of ON / OFF controls is reduced, which has the effects of saving power and extending the life of the lighting fixture 3.

Next, a third embodiment of the exterior lighting device for an elevator according to the present invention will be described with reference to FIG.

FIG. 6 shows a car call 15 and a hall call 16 newly added to the first and second embodiments shown in FIG.
It shows a configuration in which is added. That is, the call signal registered in the hall call 16 is passed through the hall call input / output buffer 17, and the car call 15 is also passed through the car call input / output buffer 18 to confirm the call type of the microcomputer 12. It is input to the determination circuit 12c. The control signal of the lighting fixture 3 by the microcomputer 12 is supplied to the lighting output buffer 13 only when the signal from the car call 15 is registered based on the determination by the call type determination circuit 12c. That is, in the case of only the hall call 16 for the car 4, there is no passenger in the car 4, so there is no need to adjust the amount of illumination light by the lighting fixture 3. Therefore, no control signal is output from the microcomputer 12, and the lighting fixture 3 maintains the same state as when the car 4 is located on the observation floor 5. In other words, in the state where the car call 15 is not present, even if the lighting device 3 is still lit, there is no passenger in the car 4, so there is no problem such as reflected light dazzling the passenger.

Therefore, in this embodiment, even if the car 4 is located in the non-observation floor 9 or the like where the radiant light of the lighting fixture 3 is reflected by the wall 10, it is not always turned off. The number of ON / OFF switching operations of the lighting fixture 3 can be suppressed as much as possible, and the life of the lighting fixture can be extended.

[0027]

INDUSTRIAL APPLICABILITY The elevator exterior lighting device according to the present invention is used for exterior decoration of a car such as when a car is located on a non-observation floor in a building having an observation floor where the car can be observed and a non-observation floor where the car cannot be observed. When the light from the lighting equipment is reflected by the wall of the hoistway and irradiates the inside of the car, the amount of light reflected from the lighting equipment decreases due to the decrease in the amount of light from the lighting equipment, and passengers in the car are dazzled. This eliminates the discomfort and improves the service to passengers in the elevator.
Further, since the invention does not control the ON / OFF of the entire lighting fixture for exterior decoration on the observation floor and the non-observation floor,
It is possible to save power and improve the life of the lighting fixture.

[Brief description of drawings]

FIG. 1 is a sectional view showing the construction of a first embodiment of an exterior lighting device for an elevator according to the present invention.

FIG. 2 is a cross-sectional view showing a configuration in which the car shown in FIG. 1 is stopped on a non-observation floor.

FIG. 3 is a circuit configuration diagram of an exterior lighting device for the elevator shown in FIG.

4 is a lighting fixture wiring diagram of the exterior lighting device of the elevator shown in FIG. 1. FIG.

FIG. 5 is a lighting fixture wiring diagram in a second embodiment of an exterior lighting device for an elevator according to the present invention.

FIG. 6 is a circuit configuration diagram of a third embodiment of an exterior lighting device for an elevator according to the present invention.

FIG. 7 is a wiring diagram of a lighting fixture of a conventional elevator exterior lighting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 power supply 2 switch 3 lighting equipment 4 car floor 5 observation floor 6 hoistway 7 transparent glass plate 8 photodetector 10 wall 12 microcomputer 12a reference light amount setting circuit 12b comparison circuit 12c call type judgment circuit 14 lighting controller 15 car Call 16 holes call

Claims (4)

[Claims] 1. An exterior lighting device for an elevator, wherein a decorative lighting device is provided on an outer surface of a car, and detects the amount of light received from the lighting device reflected by a wall surface forming an elevator hoistway. A photodetector, a comparison circuit connected to the photodetector for comparing the photodetection amount from the photodetector with a preset reference light amount, and the lighting device according to the comparison output signal connected to the comparison circuit. And a controller configured to control the amount of light from the exterior lighting device of the elevator. 2. The luminaire includes a plurality of luminaires having mutually different luminances, and the controller receives an output signal from the comparison circuit to control a light amount by a switching operation of the plurality of luminaires. The exterior lighting device for an elevator according to claim 1. 3. The exterior lighting device for an elevator according to claim 1, wherein the control of the light quantity of the lighting fixture by the controller is performed by controlling a voltage supplied to the lighting fixture. 4. A determination circuit for determining whether or not only a hall call is operating, wherein the controller receives an output signal from the determination circuit and stops the control of the amount of light emitted from the lighting fixture. The exterior lighting device for an elevator according to any one of claims 1 to 3, characterized in that.