JP5617949B2 - Elevator car lighting control device - Google Patents

Elevator car lighting control device Download PDF

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JP5617949B2
JP5617949B2 JP2013063777A JP2013063777A JP5617949B2 JP 5617949 B2 JP5617949 B2 JP 5617949B2 JP 2013063777 A JP2013063777 A JP 2013063777A JP 2013063777 A JP2013063777 A JP 2013063777A JP 5617949 B2 JP5617949 B2 JP 5617949B2
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car
illuminance
elevator
lighting
lighting control
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JP2013126919A (en
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拓也 山田
拓也 山田
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Mitsubishi Electric Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Control (AREA)

Description

この発明は、エレベータのかご内照明制御装置に関するものである。   The present invention relates to an elevator car lighting control apparatus.

従来のエレベータのかご内照明制御装置において、輝度指令器は、点灯時間演算器からの点灯時間情報を光束維持率推定演算器へ送る。光束維持率推定演算器は、光束維持率低下の推定値を演算する。輝度指令器は、光束維持率低下の推定値に基づいて、輝度指令値を決定する。照明装置は、輝度指令値に基づいて、点灯する。   In the conventional elevator car lighting control apparatus, the brightness commander sends the lighting time information from the lighting time calculator to the luminous flux maintenance factor estimation calculator. The luminous flux maintenance factor estimation calculator calculates an estimated value of a reduction in luminous flux maintenance factor. The luminance command unit determines the luminance command value based on the estimated value of the decrease in luminous flux maintenance factor. The lighting device is turned on based on the luminance command value.

かかる構成のかご内照明制御装置においては、長時間点灯後は、点灯初期に比べ、同一電流を流しても光束量が低下し、かご内の照度が小さくなる。しかし、この低下量を、光束維持率推定演算器で演算し、かご内照度が一定となるよう、電流値を上げる輝度指令値が出力される。このため、かご内の照度を略一定に保ち、消費電力の低減が図られる。（例えば、特許文献１参照）。   In the car lighting control device having such a configuration, after lighting for a long time, the amount of light flux is reduced and the illuminance in the car is reduced even when the same current is passed compared to the initial lighting. However, the amount of decrease is calculated by the luminous flux maintenance factor estimation calculator, and a luminance command value for increasing the current value is output so that the illuminance in the car is constant. For this reason, the illuminance in the car is kept substantially constant, and the power consumption is reduced. (For example, refer to Patent Document 1).

特開２００５−２７２０７３号公報JP 2005-272073 A

しかし、特許文献１に記載されたものにおいては、照明装置の蛍光灯等の個体差によって、かご内照度が一定とならないという問題があった。また、窓付きエレベータや展望用エレベータ等でかご内に外光が入る場合、かご内照度が必要以上に高くなるという問題があった。   However, the one described in Patent Document 1 has a problem that the illuminance in the car is not constant due to individual differences such as the fluorescent lamp of the lighting device. In addition, when outside light enters the car using an elevator with a window or an elevator for observation, there is a problem that the illuminance in the car becomes higher than necessary.

この発明は、上述のような課題を解決するためになされたもので、その目的は、照明装置の蛍光灯等の個体差やかご内に入る外光の有無に違いがあっても、かご内照度を一定にすることができるエレベータのかご内照明制御装置を提供することである。   The present invention has been made to solve the above-described problems. The purpose of the present invention is to ensure that even if there is a difference between individual lights such as fluorescent lamps in the lighting device or the presence or absence of external light entering the car, It is an object of the present invention to provide an elevator car lighting control device capable of keeping the illuminance constant.

この発明に係るエレベータのかご内照明制御装置は、エレベータのかごに設けられ、前記かご内に向けて光を発する照明装置と、前記かご内の照度を測定しながら、前記照明装置の発光量を調整し、前記かご内の照度の測定値を予め設定された目標値に保つ発光量調整装置とを備え、前記発光量調整装置は、前記かご内を監視する防犯カメラが撮像した画像全体の一部に基づいて前記かご内の照度を測定する際に測定範囲を可変し得るように設けられたものである。

An elevator car lighting control device according to the present invention is provided in an elevator car and emits light toward the car, and the light emission amount of the lighting device is measured while measuring the illuminance in the car. A light emission amount adjustment device that adjusts and maintains a measured value of the illuminance in the car at a preset target value, and the light emission amount adjustment device is a unit of an entire image captured by a security camera that monitors the inside of the car. those provided so as to vary the measuring range when measuring the illuminance of the previous SL in the car on the basis of the part.

この発明によれば、照明装置の蛍光灯等の個体差やかご内に入る外光の有無に違いがあっても、かご内照度を一定にすることができる。   According to the present invention, the illuminance in the car can be made constant even if there are individual differences such as the fluorescent lamp of the lighting device and the presence or absence of external light entering the car.

この発明の実施の形態１におけるエレベータのかご内照明制御装置のブロック図である。1 is a block diagram of an elevator car lighting control apparatus according to Embodiment 1 of the present invention. FIG. この発明の実施の形態２におけるエレベータのかご内照明制御装置のブロック図である。It is a block diagram of the elevator car lighting control apparatus in Embodiment 2 of this invention.

この発明を実施するための形態について添付の図面に従って説明する。なお、各図中、同一又は相当する部分には同一の符号を付しており、その重複説明は適宜に簡略化ないし省略する。   A mode for carrying out the invention will be described with reference to the accompanying drawings. In addition, in each figure, the same code | symbol is attached | subjected to the part which is the same or it corresponds, The duplication description is simplified or abbreviate | omitted suitably.

実施の形態１．
一般に、エレベータのかご及び釣合おもりは、主索に吊持される。この主索は、巻上機に巻き掛けられる。この巻上機が回転駆動されると、主索が移動する。この移動により、かご及び釣合いおもりが昇降する。これにより、かご内の乗客は、建築物の各階間を移動することができる。上記構成のエレベータにおいて、かご内には、照明装置が設けられる。この照明装置が発する光により、かご内の明るさが確保される。この照明装置においては、かご内の明るさを一定に保つことにより、消費電力を低減することが求められる。そこで、本実施の形態では、かご内の明るさを一定に保つためのかご内照明制御装置が構築されている。 Embodiment 1 FIG.
In general, an elevator car and a counterweight are suspended from a main rope. This main rope is wound around a hoisting machine. When the hoisting machine is driven to rotate, the main rope moves. This movement raises and lowers the car and the counterweight. Thereby, the passenger in a cage | basket | car can move between each floor of a building. In the elevator configured as described above, a lighting device is provided in the car. The brightness in the car is secured by the light emitted by the lighting device. In this lighting device, it is required to reduce power consumption by keeping the brightness in the car constant. Therefore, in this embodiment, an in-car lighting control device for keeping the brightness in the car constant is constructed.

図１はこの発明の実施の形態１におけるエレベータのかご内照明制御装置のブロック図である。
図１において、１は照明装置である。この照明装置１は、エレベータのかご内に設けられる。例えば、照明装置１は、かごの天井に設けられる。この照明装置１は、照明２とインバータ回路３とを備える。照明２は、例えば、蛍光灯等からなる。この照明２は、かご内に向けて光を発する機能を備える。インバータ回路３は、外部からの輝度指令に基づいて、照明２の輝度を増減させる機能を備える。 1 is a block diagram of an elevator car lighting control apparatus according to Embodiment 1 of the present invention.
In FIG. 1, 1 is a lighting device. This lighting device 1 is provided in an elevator car. For example, the lighting device 1 is provided on the ceiling of a car. The lighting device 1 includes a lighting 2 and an inverter circuit 3. Illumination 2 consists of fluorescent lamps etc., for example. The illumination 2 has a function of emitting light toward the car. The inverter circuit 3 has a function of increasing or decreasing the luminance of the illumination 2 based on a luminance command from the outside.

４は発光量調整装置である。この発光量調整装置４は、照度計５、マイコン６を備える。照度計５は、かご内に設けられる。この照度計５は、かご内の照度を実測する機能を備える。マイコン６は、照度計５とインバータ回路３との間に接続される。そして、マイコン６は、照度計５の測定値に基づいて、照明装置１に必要な輝度を演算し、インバータ回路３に輝度指令を出力する機能を備える。即ち、発光量調整装置４は、かご内の照度を測定しながら、照明装置１の発光量を調整し、かご内の照度の測定値を予め設定された目標値に保つ機能を備える。   Reference numeral 4 denotes a light emission amount adjusting device. The light emission amount adjusting device 4 includes an illuminance meter 5 and a microcomputer 6. The illuminance meter 5 is provided in the car. The illuminance meter 5 has a function of actually measuring the illuminance in the car. The microcomputer 6 is connected between the illuminometer 5 and the inverter circuit 3. The microcomputer 6 has a function of calculating a luminance necessary for the lighting device 1 based on a measurement value of the illuminometer 5 and outputting a luminance command to the inverter circuit 3. That is, the light emission amount adjusting device 4 has a function of adjusting the light emission amount of the lighting device 1 while measuring the illuminance in the car and keeping the measured value of the illuminance in the car at a preset target value.

上記構成のかご内照明制御装置においては、照明２の長時間使用等で、かご内の照度が、予め設定された目標値よりも小さくなった場合、発光量調整装置４は、インバータ回路３に、照明２の輝度を上げるように、輝度指令を出力する。この輝度指令を受けたインバータ回路３は、照明２の輝度を上げる。これにより、かご内の照度が上がる。かかる動作により、かご内の照度の測定値が予め設定された目標値に保たれる。   In the car lighting control device having the above configuration, when the illuminance in the car becomes smaller than a preset target value due to long-time use of the lighting 2 or the like, the light emission amount adjusting device 4 is connected to the inverter circuit 3. The brightness command is output so as to increase the brightness of the illumination 2. The inverter circuit 3 that has received this luminance command increases the luminance of the illumination 2. This increases the illuminance in the car. With this operation, the measured value of the illuminance in the car is maintained at a preset target value.

一方、外光を取り入れる窓の付いたかごや展望用エレベータのかごに外光が入る等して、かご内の照度が予め設定された目標値よりも大きくなった場合、マイコン６は、インバータ回路３に、照明２の輝度を下げるように、輝度指令を出力する。この輝度指令を受けたインバータ回路３は、照明２の輝度を下げる。これにより、かご内の照度が下がる。かかる動作により、かご内の照度の測定値が予め設定された目標値に保たれる。   On the other hand, if the illuminance in the car becomes larger than a preset target value due to external light entering the car with a window for taking in external light or the elevator elevator for observation, the microcomputer 6 causes the inverter circuit 3 to In addition, a luminance command is output so as to lower the luminance of the illumination 2. The inverter circuit 3 that has received this luminance command lowers the luminance of the illumination 2. This reduces the illuminance in the car. With this operation, the measured value of the illuminance in the car is maintained at a preset target value.

以上で説明した実施の形態１によれば、発光量調整装置４が、かご内の照度を測定しながら、照明２の発光量を調整し、かご内の照度の測定値を予め設定された目標値に保つ。このため、照明２を構成する蛍光灯等の個体差があっても、かご内の照度を一定にすることができる。また、窓付きエレベータや展望用エレベータ等でかご内に外光が入る時間帯では、かご内の照度を一定にしつつ、照明２の発光量を小さくすることができる。このため、照明２の消費電力低減を図ることができる。さらに、従来必要とされていた照明２交換時の点灯時間のリセット作業が不要となる。   According to the first embodiment described above, the light emission amount adjusting device 4 adjusts the light emission amount of the illumination 2 while measuring the illuminance in the car, and sets the measured value of the illuminance in the car in advance. Keep in value. For this reason, even if there are individual differences such as fluorescent lamps constituting the illumination 2, the illuminance in the car can be made constant. Further, in a time zone in which outside light enters the car such as an elevator with a window or an observation elevator, the light emission amount of the illumination 2 can be reduced while keeping the illuminance in the car constant. For this reason, the power consumption of the illumination 2 can be reduced. Furthermore, the resetting operation of the lighting time at the time of exchanging the illumination 2 that has been conventionally required becomes unnecessary.

実施の形態２．
図２はこの発明の実施の形態２におけるエレベータのかご内照明制御装置のブロック図である。なお、実施の形態１と同一又は相当部分には同一符号を付して説明を省略する。
実施の形態１においては、照度計５で、かご内の照度を実測していた。一方、実施の形態２においては、照度測定回路７で、かご内防犯カメラ８が撮像した画像情報に基づいて、かご内の照度を測定する。以下、図２を用いて、実施の形態２のかご内照明制御装置を説明する。 Embodiment 2. FIG.
FIG. 2 is a block diagram of an elevator car lighting control apparatus according to Embodiment 2 of the present invention. In addition, the same code | symbol is attached | subjected to the part which is the same as that of Embodiment 1, or an equivalent, and description is abbreviate | omitted.
In Embodiment 1, the illuminance meter 5 was used to measure the illuminance in the car. On the other hand, in the second embodiment, the illuminance measurement circuit 7 measures the illuminance in the car based on the image information captured by the in-car security camera 8. Hereinafter, the car lighting control apparatus according to the second embodiment will be described with reference to FIG.

図２において、かご内防犯カメラ８は、かご内の上方の角部に設けられる。そして、かご内防犯カメラ８は、かご内を監視する機能を備える。これにより、かご内の防犯効果が高められる。   In FIG. 2, the in-car security camera 8 is provided at the upper corner of the car. The in-car security camera 8 has a function of monitoring the inside of the car. Thereby, the crime prevention effect in a cage | basket | car is heightened.

ここで、かご内防犯カメラ８は、ＣＣＤ９、ＡＧＣ１０、ＡＴＷ１１、ＮＴＳＣエンコーダ１２を備える。ＣＣＤ９は、画像取り込みデバイスである。このＣＣＤ９は、かご内の映像を取り込む機能を備える。なお、ＣＣＤ９に代えて、Ｃ−ＭＯＳイメージセンサが画像取り込みデバイスとして使用されてもよい。   Here, the car security camera 8 includes a CCD 9, an AGC 10, an ATW 11, and an NTSC encoder 12. The CCD 9 is an image capturing device. The CCD 9 has a function of capturing an image in the car. Note that a C-MOS image sensor may be used as an image capturing device instead of the CCD 9.

ＡＧＣ１０は、自動ゲイン調整回路である。このＡＧＣ１０は、ＣＣＤ９の出力画像の明るさを調整する機能を備える。具体的には、ＡＧＣ１０は、電気信号に変換された画像情報が暗い場合は、ＣＣＤ９のシャッター時間を長くし、画像情報が明るい場合は、ＣＣＤ９のシャッター時間を短くする機能を備える。また、かご内防犯カメラ８に、電動の絞り機能が付いている場合は、ＡＧＣ１０は、シャッター時間ではなく、絞り量を調整し、ＣＣＤ９の出力画像の明るさを調整する機能を備える。   The AGC 10 is an automatic gain adjustment circuit. The AGC 10 has a function of adjusting the brightness of the output image of the CCD 9. Specifically, the AGC 10 has a function of lengthening the shutter time of the CCD 9 when the image information converted into the electric signal is dark, and shortening the shutter time of the CCD 9 when the image information is bright. When the car security camera 8 has an electric aperture function, the AGC 10 has a function of adjusting the aperture amount, not the shutter time, and adjusting the brightness of the output image of the CCD 9.

ＡＴＷ１１は、自動ホワイトバランス回路である。このＡＴＷ１１は、ＡＧＣ１０の出力のホワイトバランスを調整する機能を備える。ＮＴＳＣエンコーダ１２は、アナログ画像出力変換回路である。このＮＴＳＣエンコーダ１２は、ＡＴＷ１１の出力をＮＴＳＣ信号に変換して画像出力する機能を備える。この出力画像は、ＰＡＬやＳＥＣＡＭ等の他の出力方式に変換される場合もある。また、この出力画像は、ＬＡＮやＵＳＢに接続するデジタル出力に変換される場合もある。   ATW11 is an automatic white balance circuit. The ATW 11 has a function of adjusting the white balance of the output of the AGC 10. The NTSC encoder 12 is an analog image output conversion circuit. The NTSC encoder 12 has a function of converting an output of the ATW 11 into an NTSC signal and outputting an image. This output image may be converted into another output method such as PAL or SECAM. The output image may be converted into a digital output connected to a LAN or USB.

本実施の形態において、照度測定回路７は、かご内防犯カメラ８内に設けられる。そして、照度測定回路７は、ＣＣＤ９が取り込んだ画像情報とＡＧＣ１０が出力する明るさ調整制御値とに基づいて、かご内の照度を測定する機能を備える。即ち、照度測定回路７は、ＡＧＣ１０でのシャッター時間や絞り量を考慮することで、かご内の照度を正確に測定する機能を備える。なお、照度測定回路７に測定される照度の範囲は、ＣＣＤ９の画像全体の場合もあるし、その一部の場合もある。また、照度測定回路７に測定される照度の範囲がＣＣＤ９の画像全体の一部の場合、測定範囲を可変にする場合もある。   In the present embodiment, the illuminance measurement circuit 7 is provided in the in-car security camera 8. The illuminance measurement circuit 7 has a function of measuring the illuminance in the car based on the image information captured by the CCD 9 and the brightness adjustment control value output by the AGC 10. In other words, the illuminance measurement circuit 7 has a function of accurately measuring the illuminance in the car by considering the shutter time and the aperture amount in the AGC 10. Note that the illuminance range measured by the illuminance measurement circuit 7 may be the entire image of the CCD 9 or may be a part thereof. Further, when the illuminance range measured by the illuminance measurement circuit 7 is a part of the entire image of the CCD 9, the measurement range may be variable.

上記構成の実施の形態２におけるかご内照明制御装置も、実施の形態１におけるかご内照明制御装置と同様に動作する。即ち、かご内の照度が、予め設定された目標値よりも小さくなった場合、発光量調整装置４は、インバータ回路３に、照明２の輝度を上げるように、輝度指令を出力する。この輝度指令を受けたインバータ回路３は、照明２の輝度を上げる。これにより、かご内の照度が上がる。かかる動作により、かご内の照度の測定値が予め設定された目標値に保たれる。   The in-car lighting control device according to the second embodiment having the above-described configuration operates in the same manner as the in-car lighting control device according to the first embodiment. That is, when the illuminance in the car becomes smaller than a preset target value, the light emission amount adjusting device 4 outputs a luminance command to the inverter circuit 3 so as to increase the luminance of the illumination 2. The inverter circuit 3 that has received this luminance command increases the luminance of the illumination 2. This increases the illuminance in the car. With this operation, the measured value of the illuminance in the car is maintained at a preset target value.

一方、かご内の照度が、予め設定された目標値よりも大きくなった場合、発光量調整装置４は、インバータ回路３に、照明２の輝度を下げるように、輝度指令を出力する。この輝度指令を受けたインバータ回路３は、照明２の輝度を下げる。これにより、かご内の照度が下がる。かかる動作により、かご内の照度の測定値が予め設定された目標値に保たれる。   On the other hand, when the illuminance in the car becomes larger than a preset target value, the light emission amount adjusting device 4 outputs a luminance command to the inverter circuit 3 so as to reduce the luminance of the illumination 2. The inverter circuit 3 that has received this luminance command lowers the luminance of the illumination 2. This reduces the illuminance in the car. With this operation, the measured value of the illuminance in the car is maintained at a preset target value.

以上で説明した実施の形態２によれば、発光量調整装置４は、かご内防犯カメラ８の画像に基づいて、かご内の照度を測定する。具体的には、発光量調整装置４は、画像取込みデバイスが取り込んだ画像情報と画像取込みデバイスへの明るさ制御値とに基づいて、かご内の照度を測定する。このため、かご内防犯カメラ８を適用しているかごにおいては、新たに照度計５を用いることなく、かご内の照度を一定にすることができる。即ち、発光量調整装置４の機器及び設置のコストを抑制することができる。また、照度計５が不要となるため、かご内照度制御装置全体の小型化が図られる。なお、近年、かご内防犯カメラ８の適用率が上がっていることを考慮すれば、かご内防犯カメラ８自体のコストや設置スペースが問題となることはない。   According to the second embodiment described above, the light emission amount adjusting device 4 measures the illuminance in the car based on the image of the in-car security camera 8. Specifically, the light emission amount adjusting device 4 measures the illuminance in the car based on the image information captured by the image capturing device and the brightness control value for the image capturing device. For this reason, in the car to which the in-car security camera 8 is applied, the illuminance in the car can be made constant without newly using the illuminometer 5. That is, the equipment and installation cost of the light emission amount adjusting device 4 can be suppressed. Further, since the illuminance meter 5 is not required, the overall illuminance control device in the car can be reduced in size. In recent years, considering that the application rate of the in-car security camera 8 has increased, the cost and installation space of the in-car security camera 8 itself do not become a problem.

１ 照明装置、 ２ 照明、 ３ インバータ回路、 ４ 発光量調整装置、
５ 照度計、 ６ マイコン、 ７ 照度測定回路、 ８ かご内防犯カメラ、
９ ＣＣＤ、 １０ ＡＧＣ、 １１ ＡＴＷ、 １２ ＮＴＳＣエンコーダ 1 lighting device, 2 lighting, 3 inverter circuit, 4 light emission amount adjusting device,
5 illuminance meter, 6 microcomputer, 7 illuminance measurement circuit, 8 in-car security camera,
9 CCD, 10 AGC, 11 ATW, 12 NTSC encoder

Claims (4)

エレベータのかごに設けられ、前記かご内に向けて光を発する照明装置と、
前記かご内の照度を測定しながら、前記照明装置の発光量を調整し、前記かご内の照度の測定値を予め設定された目標値に保つ発光量調整装置と、
を備え、
前記発光量調整装置は、前記かご内を監視する防犯カメラが撮像した画像全体の一部に基づいて前記かご内の照度を測定する際に測定範囲を可変し得るように設けられたことを特徴とするエレベータのかご内照明制御装置。 An illuminating device provided in an elevator car and emitting light toward the car;
While measuring the illuminance in the car, adjust the luminescence amount of the lighting device, and keep the measured value of illuminance in the car at a preset target value;
With
The light emitting amount adjusting device, that the security camera monitoring the the car is provided so as to vary the measuring range when measuring the illuminance of the previous SL in the car based on a portion of the overall image captured Elevator car lighting control device. 前記発光量調整装置は、前記防犯カメラの画像取込み部が取り込んだ画像情報と前記画像取込み部への明るさ制御値とに基づいて、前記かご内の照度を測定することを特徴とする請求項１記載のエレベータのかご内照明制御装置。   The light emission amount adjusting device measures illuminance in the car based on image information captured by an image capturing unit of the security camera and a brightness control value to the image capturing unit. The elevator car lighting control device according to claim 1. 前記照明装置は、外光を取り入れる窓の付いたかごに設けられ、前記外光を取り入れる窓の付いたかご内に向けて光を発し、
前記発光量調整装置は、前記外光を取り入れる窓の付いたかご内の照度を測定しながら、前記照明装置の発光量を調整し、前記外光を取り入れる窓の付いたかご内の照度の測定値を予め設定された目標値に保つことを特徴とする請求項１又は請求項２に記載のエレベータのかご内照明制御装置。 The lighting device is provided in a car with a window for taking in external light, emits light toward the car with a window for taking in the external light,
The light emission amount adjusting device adjusts the light emission amount of the lighting device while measuring the illuminance in the cage with the window for taking in the outside light, and measures the illuminance in the cage with the window for taking in the outside light. The elevator interior lighting control device according to claim 1 or 2, wherein the value is maintained at a preset target value. 前記照明装置は、展望用エレベータのかごに設けられ、前記展望用エレベータのかご内に向けて光を発し、
前記発光量調整装置は、前記展望用エレベータのかご内の照度を測定しながら、前記照明装置の発光量を調整し、前記展望用エレベータのかご内の照度の測定値を予め設定された目標値に保つことを特徴とする請求項１又は請求項２に記載のエレベータのかご内照明制御装置。 The lighting device is provided in a car of the observation elevator, emits light toward the car of the observation elevator,
The light emission amount adjusting device adjusts the light emission amount of the lighting device while measuring the illuminance in the observation elevator car, and sets the measured value of the illuminance in the observation elevator car to a preset target value. The elevator car lighting control apparatus according to claim 1 or 2, wherein the elevator car lighting control apparatus is maintained at
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