JP2016160084A - Elevator control device - Google Patents

Elevator control device Download PDF

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JP2016160084A
JP2016160084A JP2015043242A JP2015043242A JP2016160084A JP 2016160084 A JP2016160084 A JP 2016160084A JP 2015043242 A JP2015043242 A JP 2015043242A JP 2015043242 A JP2015043242 A JP 2015043242A JP 2016160084 A JP2016160084 A JP 2016160084A
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power
storage battery
elevator
charge amount
threshold value
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JP6054442B2 (en
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勇基 菱川
Yuki Hishikawa
勇基 菱川
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Toshiba Elevator and Building Systems Corp
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Toshiba Elevator Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/242—Home appliances

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  • Elevator Control (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an elevator control device for efficiently using natural energy to operate an elevator.SOLUTION: An elevator control device is connected to a storage battery for charging power generated by natural energy and a commercial power supply. The elevator control device includes: a charging amount monitoring section; a power source switch control section; and a transmission section. The charging amount monitoring section monitors charging amount of the storage battery. The power source switch control section switches so that power is supplied from the storage battery to an elevator when it is determined that the charging amount of the storage battery exceeds a predetermined first threshold by the monitoring result in the charging amount monitoring section and power is supplied from the commercial power supply to the elevator when it is determined that the charging amount of the storage battery becomes the first threshold or less. The transmission section transmits excess power information showing there is excess in power stored in the storage battery to a power management device in a building for managing power in the building when it is determined that the charging amount of the storage battery exceeds a value which is two times of the first threshold by the monitoring result in the charging amount monitoring section.SELECTED DRAWING: Figure 1

Description

本発明の実施形態は、エレベータ制御装置に関する。   Embodiments described herein relate generally to an elevator control device.

従来、太陽光などの自然エネルギーを利用して各種電気機器を稼動させることで、商用電源による建物内の消費エネルギーの削減を図る技術が開発されている。特に大型の建物では、建物全体で消費されるエネルギーのうち、エレベータの稼働に費やされる電力が大きな割合を占めるため、エレベータの稼働になるべく自然エネルギーを用いるようにすることで省エネ効果を高めることができる。   2. Description of the Related Art Conventionally, a technology for reducing energy consumption in a building using a commercial power source by operating various electric devices using natural energy such as sunlight has been developed. Especially in large buildings, the power consumed for elevator operation accounts for a large percentage of the energy consumed by the entire building, so the energy saving effect can be improved by using natural energy to operate the elevator. it can.

特開２０１４−１１７０４１号公報JP 2014-117041 A

通常、エレベータは時間帯により利用量が大きく異なり、また自然エネルギーも天候や時間帯により発電量が大きく異なる。そのため、自然エネルギーをエレベータの稼働に効率よく利用させることが困難であるという問題があった。   Normally, the usage of elevators varies greatly depending on the time of day, and the amount of power generated by natural energy varies greatly depending on the weather and time of day. Therefore, there is a problem that it is difficult to efficiently use natural energy for the operation of the elevator.

本発明は上記事情に鑑みてなされたものであり、自然エネルギーをエレベータの稼働に効率よく利用させるためのエレベータ制御装置を提供することを目的とする。   The present invention has been made in view of the above circumstances, and an object thereof is to provide an elevator control device for efficiently using natural energy for operation of an elevator.

上記目的を達成するための実施形態によればエレベータ制御装置は、自然エネルギーにより発電された電力を充電する蓄電池と、商用電源とに接続され、充電量監視部と電源切替制御部と送信部とを備える。充電量監視部は蓄電池の充電量を監視する。電源切替制御部は、充電量監視部での監視結果により蓄電池の充電量が予め設定された第１閾値を超えていると判断されるときには蓄電池からエレベータに電力を供給させ、蓄電池の充電量が第１閾値以下になったと判断されるときには商用電源からエレベータに電力を供給させるように切り替える。送信部は、充電量監視部での監視結果により蓄電池の充電量が第１閾値の２倍の値を超えたと判断されるときに、蓄電池に蓄積された電力に余剰があることを示す余剰電力情報を、建物内の電力を管理する建物内電力管理装置に送信する。   According to the embodiment for achieving the above object, the elevator control device is connected to a storage battery for charging electric power generated by natural energy, a commercial power source, a charge amount monitoring unit, a power source switching control unit, and a transmission unit. Is provided. The charge amount monitoring unit monitors the charge amount of the storage battery. The power supply switching control unit causes the storage battery to supply power to the elevator when it is determined from the monitoring result of the charge amount monitoring unit that the charge amount of the storage battery exceeds a preset first threshold value. When it is determined that the value is equal to or less than the first threshold value, the power supply is switched from the commercial power supply to the elevator. When the transmission unit determines that the charge amount of the storage battery exceeds twice the first threshold value based on the monitoring result of the charge amount monitoring unit, the surplus power indicating that the power stored in the storage battery has surplus The information is transmitted to a building power management apparatus that manages the power in the building.

一実施形態によるエレベータ制御装置を利用したエレベータシステムの構成を示す全体図。1 is an overall view showing a configuration of an elevator system using an elevator control device according to an embodiment. 一実施形態によるエレベータ制御装置の構成を示すブロック図。The block diagram which shows the structure of the elevator control apparatus by one Embodiment. 一実施形態によるエレベータ制御装置の動作を示すフローチャート。The flowchart which shows operation | movement of the elevator control apparatus by one Embodiment.

〈一実施形態によるエレベータ制御装置を利用したエレベータシステムの構成〉
本発明の一実施形態によるエレベータ制御装置を利用したエレベータシステムの構成について、図１を参照して説明する。本実施形態によるエレベータシステム１は、エレベータ２が設置された建物Ａ内に搭載され、建物Ａの屋上に設置された太陽光パネル３と、建物Ａ内の最上階ホールに設置された集電ユニット４、パワーコンディショナー５、および蓄電池６と、建物Ａ内に設置され、商用電源に接続された分電盤７と、エレベータ２の昇降路（図示せず）上部に設置されたエレベータ制御盤８とを備える。 <Configuration of Elevator System Using Elevator Control Device According to One Embodiment>
A configuration of an elevator system using an elevator control apparatus according to an embodiment of the present invention will be described with reference to FIG. The elevator system 1 according to the present embodiment is mounted in a building A in which an elevator 2 is installed, a solar panel 3 installed on the roof of the building A, and a current collecting unit installed in the top floor hall in the building A 4, a power conditioner 5, a storage battery 6, a distribution board 7 installed in the building A and connected to a commercial power source, and an elevator control panel 8 installed on the elevator hoistway (not shown) of the elevator 2 Is provided.

集電ユニット４は、太陽光パネル３により発電した直流電力を集電する。パワーコンディショナー５は、直流電力と交流電力との変換を行う。蓄電池６は、パワーコンディショナー５で変換された電力を充電する。   The current collecting unit 4 collects DC power generated by the solar panel 3. The power conditioner 5 performs conversion between DC power and AC power. The storage battery 6 charges the power converted by the power conditioner 5.

エレベータ制御盤８は、図２に示すように、蓄電池６の充電量を監視する充電量監視部８１と、エレベータ２から要求された電力を供給する電力供給部８２と、電力供給部８２からエレベータ２に供給する電力の電源を、蓄電池６と分電盤７の商用電源とで切り替える電源切替盤８３と、充電量監視部８１での監視結果に基づいて電源切替盤８３の切り替え制御を行う電源切替制御部８４と、エレベータ２から要求された電力が予め設定された上限値を超えるかまたはエレベータ２の動作に関する異常信号が受信されたときに、電力供給部８２からエレベータ２への電力供給を遮断する動力ブレーカ８５とを有する。またエレベータ制御盤８は、充電量監視部８１での監視結果に基づいて、建物Ａ内の電力を管理する建物内電力管理装置９に通知する蓄電池６の余剰電力情報を生成する余剰電力情報生成部８６と、余剰電力情報生成部８６で生成された余剰電力情報を建物内電力管理装置９に送信する送信部８７とを有する。   As shown in FIG. 2, the elevator control panel 8 includes a charge amount monitoring unit 81 that monitors the charge amount of the storage battery 6, a power supply unit 82 that supplies power requested by the elevator 2, and an elevator from the power supply unit 82. 2 and a power source switching panel 83 that switches between the power source of the storage battery 6 and the commercial power source of the distribution board 7 and a power source that performs switching control of the power source switching panel 83 based on the monitoring result of the charge amount monitoring unit 81 When the power requested from the switching control unit 84 and the elevator 2 exceeds a preset upper limit value or an abnormal signal related to the operation of the elevator 2 is received, the power supply unit 82 supplies power to the elevator 2. And a power breaker 85 to be shut off. In addition, the elevator control panel 8 generates surplus power information that generates surplus power information of the storage battery 6 that is notified to the in-building power management device 9 that manages the power in the building A based on the monitoring result of the charge amount monitoring unit 81. Unit 86 and a transmission unit 87 that transmits the surplus power information generated by the surplus power information generation unit 86 to the in-building power management device 9.

電源切替制御部８４は、充電量監視部８１での監視結果により、蓄電池６の充電量が予め設定された第１閾値を超えていると判断されるときには、蓄電池６からエレベータ２に電力を供給させ、蓄電池６の充電量が当該第１閾値以下になったと判断されるときには、分電盤７の商用電源からエレベータ２に電力を供給させるように切り替える。また電源切替制御部８４は、分電盤７の商用電源からエレベータ２に電力を供給させるように切り替えた後、充電量監視部８１での監視結果により、蓄電池６の充電量が予め設定された第２閾値を超えたと判断されるときには、蓄電池６からエレベータ２に電力を供給させるように切り替える。   The power supply switching control unit 84 supplies power from the storage battery 6 to the elevator 2 when it is determined from the monitoring result of the charge amount monitoring unit 81 that the charge amount of the storage battery 6 exceeds the preset first threshold value. When the charge amount of the storage battery 6 is determined to be equal to or less than the first threshold value, the power is switched from the commercial power source of the distribution board 7 to the elevator 2. Further, the power supply switching control unit 84 switches the power supply from the commercial power source of the distribution board 7 to the elevator 2, and then the charge amount of the storage battery 6 is preset according to the monitoring result of the charge amount monitoring unit 81. When it is determined that the second threshold value has been exceeded, switching is performed so that power is supplied from the storage battery 6 to the elevator 2.

ここで、第１閾値および第２閾値は、エレベータ２を所定時間（例えば１時間）運転させるために十分な電力が蓄電池６に蓄積されているか否かを判断するための値である。この第１閾値と第２閾値とは同値でもよいし、第２閾値を第１閾値よりも高い値で設定してもよい。第２閾値を第１閾値よりも高い値で設定することにより、エレベータ２に供給させる電力の電源が蓄電池６と商用電源とで頻繁に切り替わるハンチング現象の発生を避けることができるため、本実施形態においては第２閾値は第１閾値よりも高い値であるものとする。   Here, the first threshold value and the second threshold value are values for determining whether or not sufficient electric power for operating the elevator 2 for a predetermined time (for example, one hour) is accumulated in the storage battery 6. The first threshold value and the second threshold value may be the same value, or the second threshold value may be set higher than the first threshold value. By setting the second threshold value to be higher than the first threshold value, it is possible to avoid the occurrence of a hunting phenomenon in which the power source of power supplied to the elevator 2 is frequently switched between the storage battery 6 and the commercial power source. It is assumed that the second threshold value is higher than the first threshold value.

余剰電力情報生成部８６は、充電量監視部８１において、蓄電池６の充電量が第１閾値または第２閾値の２倍の値を超えたと判断されるときには、蓄電池６からエレベータ２に電力を供給してもなお余剰電力があることを示す余剰電力情報を生成する。   The surplus power information generation unit 86 supplies power from the storage battery 6 to the elevator 2 when the charge amount monitoring unit 81 determines that the charge amount of the storage battery 6 has exceeded the first threshold value or twice the second threshold value. Even so, surplus power information indicating that there is surplus power is generated.

建物内電力管理装置９は、エレベータ制御盤８から余剰電力情報を取得すると、建物Ａ内のエレベータ２以外の電気機器（例えば照明装置や空調機等）に、蓄電池６から電力を供給させるかまたは、蓄電池６に蓄積された電力を電力会社に売却するための処理を行う。   When the in-building power management device 9 acquires the surplus power information from the elevator control panel 8, the in-building power management device 9 causes an electric device (for example, a lighting device or an air conditioner) other than the elevator 2 in the building A to supply power from the storage battery 6 or Then, a process for selling the electric power stored in the storage battery 6 to the electric power company is performed.

〈一実施形態によるエレベータ制御装置を利用したエレベータシステムの動作〉
次に、本実施形態によるエレベータシステム１の動作について説明する。本実施形態においては、建物Ａの屋上に設置された太陽光パネル３により発電した直流電力が集電ユニット４で集電された後、パワーコンディショナー５で直流／交流変換が行われる。変換された電力は、蓄電池６に蓄積される。 <Operation of Elevator System Using Elevator Control Device According to One Embodiment>
Next, the operation of the elevator system 1 according to the present embodiment will be described. In the present embodiment, after the DC power generated by the solar panel 3 installed on the roof of the building A is collected by the current collecting unit 4, DC / AC conversion is performed by the power conditioner 5. The converted power is stored in the storage battery 6.

このように蓄電池６への電力の蓄積が行われている状態で、エレベータ制御盤８で実行される処理について、図３のフローチャートを参照して説明する。   A process executed by the elevator control panel 8 in a state where electric power is stored in the storage battery 6 will be described with reference to a flowchart of FIG.

まず、エレベータ制御盤８の充電量監視部８１において、蓄電池６の充電量が予め設定された第１閾値を超えているか否かが監視される（Ｓ１）。監視結果により、蓄電池６の充電量が第１閾値を超えているときには（Ｓ１の「YES」）、エレベータ２を所定時間運転させるために十分な電力が蓄電池６に蓄積されていると判断されて、電力取得先が蓄電池６になるように電源切替制御部８４により電源切替盤８３が設定される（Ｓ２）。電力取得先が設定されたことにより、蓄電池６から電源切替盤８３を介して電力が取得され、電力供給部８２によりエレベータ２に供給される（Ｓ３）。   First, the charge amount monitoring unit 81 of the elevator control panel 8 monitors whether or not the charge amount of the storage battery 6 exceeds a preset first threshold value (S1). According to the monitoring result, when the charge amount of the storage battery 6 exceeds the first threshold value (“YES” in S1), it is determined that sufficient power is stored in the storage battery 6 for operating the elevator 2 for a predetermined time. Then, the power source switching control unit 84 sets the power source switching panel 83 so that the power acquisition destination is the storage battery 6 (S2). When the power acquisition destination is set, power is acquired from the storage battery 6 via the power switching board 83 and supplied to the elevator 2 by the power supply unit 82 (S3).

また、充電量監視部８１での監視結果により充電量が第１閾値以下になったときには（Ｓ１の「NO」）、エレベータ２を所定時間運転させるために十分な電力が蓄電池６になくなったと判断されて、電力取得先が分電盤７の商用電源になるように電源切替制御部８４により電源切替盤８３が切り替えられる（Ｓ４）。電力取得先が切り替えられたことにより、商用電源から電源切替盤８３を介して電力が取得され、電力供給部８２によりエレベータ２に供給される（Ｓ５）。   Further, when the charge amount becomes equal to or lower than the first threshold value (“NO” in S1) as a result of monitoring by the charge amount monitoring unit 81, it is determined that the storage battery 6 has no sufficient power to run the elevator 2 for a predetermined time. Then, the power switching board 83 is switched by the power switching controller 84 so that the power acquisition destination is the commercial power source of the distribution board 7 (S4). When the power acquisition destination is switched, power is acquired from the commercial power supply via the power switching board 83 and supplied to the elevator 2 by the power supply unit 82 (S5).

電力取得先が商用電源に切り替えられると、充電量監視部８１により、蓄電池６の充電量が予め設定された第２閾値を超えたか否かが監視される（Ｓ６）。蓄電池６の充電量が第２閾値を超えたとき（Ｓ６の「YES」）には、蓄電池６の充電量が、エレベータ２を所定時間運転させるために十分であり、且つエレベータ２に供給される電力の電源が蓄電池６と商用電源とで頻繁に切り替わるハンチング現象の発生を避けることができるレベルに達したと判断されて、電力取得先が蓄電池６になるように電源切替制御部８４により電源切替盤８３が切り替えられる（Ｓ７）。電力取得先が切り替えられたことにより、蓄電池６から電源切替盤８３を介して電力が取得され、電力供給部８２によりエレベータ２に供給される（Ｓ８）。   When the power acquisition destination is switched to the commercial power source, the charge amount monitoring unit 81 monitors whether or not the charge amount of the storage battery 6 exceeds a preset second threshold value (S6). When the amount of charge of the storage battery 6 exceeds the second threshold (“YES” in S6), the amount of charge of the storage battery 6 is sufficient to operate the elevator 2 for a predetermined time and is supplied to the elevator 2 It is judged that the power source has reached a level that can avoid the occurrence of the hunting phenomenon that frequently switches between the storage battery 6 and the commercial power source, and the power source switching control unit 84 switches the power source so that the power acquisition destination is the storage battery 6. The board 83 is switched (S7). When the power acquisition destination is switched, power is acquired from the storage battery 6 via the power switching board 83 and supplied to the elevator 2 by the power supply unit 82 (S8).

ステップＳ６において、蓄電池６の充電量が第２閾値を超えていないとき（Ｓ６の「NO」）には、商用電源からエレベータ２への電力供給が継続される。   In step S6, when the charge amount of the storage battery 6 does not exceed the second threshold value ("NO" in S6), power supply from the commercial power source to the elevator 2 is continued.

このように電力取得先の切替制御が行われ、ステップＳ３またはステップＳ８の処理により蓄電池６からエレベータ２に電力が供給されているときに、充電量監視部８１において、蓄電池６の充電量が第１閾値の２倍を超えたから否かが監視される（Ｓ９）。ここで、蓄電池６の充電量が第１閾値の２倍を超えたときには（Ｓ９の「YES」）、蓄電池６からエレベータ２に電力を供給してもなお余剰電力があると判断されて、この判断結果を建物内電力管理装置９に通知するための余剰電力情報が余剰電力情報生成部８６で生成される。生成された余剰電力情報は、送信部８７から建物内電力管理装置９に送信される（Ｓ１０）。上述したステップＳ１〜Ｓ１０の処理は、所定時間間隔で繰り返される。   As described above, when the power acquisition destination switching control is performed and power is being supplied from the storage battery 6 to the elevator 2 by the process of step S3 or step S8, the charge amount monitoring unit 81 determines the charge amount of the storage battery 6 to the first level. It is monitored whether or not it exceeds twice the threshold value (S9). Here, when the charge amount of the storage battery 6 exceeds twice the first threshold (“YES” in S9), it is determined that there is still surplus power even if power is supplied from the storage battery 6 to the elevator 2, and this Surplus power information for notifying the in-building power management device 9 of the determination result is generated by the surplus power information generation unit 86. The generated surplus power information is transmitted from the transmitter 87 to the building power management apparatus 9 (S10). The processes in steps S1 to S10 described above are repeated at predetermined time intervals.

これらの処理が実行されている間に、エレベータ２から要求された電力が予め設定された上限値を超えるかまたはエレベータ２の動作に関する異常信号が受信されたときには、動力ブレーカ８５により、電力供給部８２からエレベータ２への電力供給が遮断される。   When the power requested from the elevator 2 exceeds the preset upper limit value or an abnormal signal related to the operation of the elevator 2 is received while these processes are being performed, the power breaker 85 causes the power supply unit to The power supply from 82 to the elevator 2 is cut off.

以上の本実施形態によれば、太陽光エネルギーにより発電された電力を蓄電池に充電し、この充電した電力を優先的に用いてエレベータを稼働させ、エレベータの稼働に用いてもなお充電した電力に余剰があるときには他の電気機器に供給したり電力会社に売却したりすることにより、蓄電池に充電された電力を効率よく利用して高い省エネ効果を得ることができる。   According to the above embodiment, the power generated by the solar energy is charged into the storage battery, the elevator is operated using this charged power preferentially, and the electric power still charged even when used for the operation of the elevator is used. When there is a surplus, by supplying it to other electrical equipment or selling it to an electric power company, it is possible to efficiently use the power charged in the storage battery and obtain a high energy saving effect.

上述した実施形態においては、太陽光発電を利用した場合について説明したが、他の自然エネルギー、例えば風力発電を利用して蓄電池を充電するようにしてもよい。   In the embodiment described above, the case where solar power generation is used has been described. However, the storage battery may be charged using other natural energy, for example, wind power generation.

また上述した実施形態において、余剰電力情報が生成される条件を、第２閾値の２倍を超えたときとしてもよい。   In the above-described embodiment, the condition for generating surplus power information may be set to exceed twice the second threshold.

本発明の実施形態を説明したが、この実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。この新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。この実施形態やその変形は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。   Although the embodiment of the present invention has been described, this embodiment is presented as an example and is not intended to limit the scope of the invention. The novel embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. This embodiment and its modifications are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

１…エレベータシステム、２…エレベータ、３…太陽光パネル、４…集電ユニット、５…パワーコンディショナー、６…蓄電池、７…分電盤、８…エレベータ制御盤、９…建物内電力管理装置、８１…充電量監視部、８２…電力供給部、８３…電源切替盤、８４…電源切替制御部、８５…動力ブレーカ、８６…余剰電力情報生成部、８７…送信部   DESCRIPTION OF SYMBOLS 1 ... Elevator system, 2 ... Elevator, 3 ... Solar panel, 4 ... Current collecting unit, 5 ... Power conditioner, 6 ... Storage battery, 7 ... Distribution board, 8 ... Elevator control panel, 9 ... Power management apparatus in a building, DESCRIPTION OF SYMBOLS 81 ... Charge amount monitoring part, 82 ... Electric power supply part, 83 ... Power supply switching board, 84 ... Power supply switching control part, 85 ... Power breaker, 86 ... Surplus power information generation part, 87 ... Transmission part

上記目的を達成するための実施形態によればエレベータ制御装置は、自然エネルギーにより発電された電力を充電する蓄電池と、商用電源とに接続され、充電量監視部と電源切替制御部と送信部とを備える。充電量監視部は蓄電池の充電量を監視する。電源切替制御部は、充電量監視部での監視結果により蓄電池の充電量が予め設定された第１閾値を超えていると判断されるときには蓄電池からエレベータに優先的に電力を供給させ、蓄電池の充電量が第１閾値以下になったと判断されるときには商用電源からエレベータに電力を供給させるように切り替える。送信部は、充電量監視部での監視結果により蓄電池の充電量が第１閾値の２倍の値を超えたと判断されるときに、蓄電池に蓄積された電力に余剰があることを示す余剰電力情報を生成し、エレベータ以外の電気機器に蓄電池から電力を供給させるかまたは蓄電池に蓄積された電力を売却させるために、建物内の電力を管理する建物内電力管理装置に送信する。 According to the embodiment for achieving the above object, the elevator control device is connected to a storage battery for charging electric power generated by natural energy, a commercial power source, a charge amount monitoring unit, a power source switching control unit, and a transmission unit. Is provided. The charge amount monitoring unit monitors the charge amount of the storage battery. The power supply switching control unit preferentially supplies power from the storage battery to the elevator when it is determined from the monitoring result of the charge amount monitoring unit that the charge amount of the storage battery exceeds a preset first threshold value. When it is determined that the amount of charge has become equal to or less than the first threshold, switching is performed so that electric power is supplied from the commercial power source to the elevator. When the transmission unit determines that the charge amount of the storage battery exceeds twice the first threshold value based on the monitoring result of the charge amount monitoring unit, the surplus power indicating that the power stored in the storage battery has surplus Information is generated and transmitted to an in-building power management apparatus that manages the power in the building in order to cause electric devices other than the elevator to supply power from the storage battery or sell the power stored in the storage battery .

Claims (2)

自然エネルギーにより発電された電力を充電する蓄電池と、商用電源とに接続され、建物に設置されたエレベータの運転を制御するエレベータ制御装置において、
前記蓄電池の充電量を監視する充電量監視部と、
前記充電量監視部での監視結果により、前記蓄電池の充電量が予め設定された第１閾値を超えていると判断されるときには、前記蓄電池から前記エレベータに電力を供給させ、前記蓄電池の充電量が前記第１閾値以下になったと判断されるときには、商用電源から前記エレベータに電力を供給させるように切り替える電源切替制御部と、
前記充電量監視部での監視結果により、前記蓄電池の充電量が前記第１閾値の２倍の値を超えたと判断されるときに、前記蓄電池に蓄積された電力に余剰があることを示す余剰電力情報を、前記建物内の電力を管理する建物内電力管理装置に送信する送信部と
を備えることを特徴とするエレベータ制御装置。 In an elevator control device for controlling operation of an elevator installed in a building, connected to a storage battery for charging electric power generated by natural energy and a commercial power source,
A charge monitoring unit for monitoring the charge of the storage battery;
When it is determined from the monitoring result of the charge amount monitoring unit that the charge amount of the storage battery exceeds a preset first threshold value, power is supplied from the storage battery to the elevator, and the charge amount of the storage battery Is determined to be equal to or lower than the first threshold value, a power supply switching control unit that switches the commercial power supply to supply power to the elevator,
The surplus indicating that there is surplus in the electric power accumulated in the storage battery when it is determined from the monitoring result in the charge amount monitoring unit that the charge amount of the storage battery has exceeded a value twice the first threshold value. An elevator control device comprising: a transmission unit that transmits power information to a building power management device that manages power in the building. 前記電源切替制御部は、商用電源から前記エレベータに電力を供給させるように切り替えた後、前記充電量監視部での監視結果により、前記蓄電池の充電量が予め設定された、前記第１閾値よりも高い第２閾値を超えたと判断されるときには、前記蓄電池から前記エレベータに電力を供給させるように切り替える
ことを特徴とする請求項１に記載のエレベータ制御装置。 The power supply switching control unit switches the power supply from the commercial power supply to the elevator, and then the charge amount of the storage battery is set in advance according to the monitoring result of the charge amount monitoring unit from the first threshold value. 2. The elevator control device according to claim 1, wherein when it is determined that a higher second threshold value is exceeded, switching is performed so that electric power is supplied from the storage battery to the elevator.
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