JPWO2020079725A1 - エネルギー表示システム、表示装置およびエネルギー表示方法 - Google Patents
エネルギー表示システム、表示装置およびエネルギー表示方法 Download PDFInfo
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
図1は、本発明の実施の形態1にかかる電気自動車充放電システムの構成例を示す図である。電気自動車充放電システム1は、本発明にかかるエネルギー表示システムの一例である。電気自動車充放電システム1は、図1に示すように、表示装置101、電気自動車充放電器102および充放電ケーブル103を備える。電気自動車充放電システム1は、電動車両2および分電盤5にそれぞれ接続可能である。電気自動車充放電システム1は、電動車両2の充電および放電を行うことが可能である。
図5は、本発明の実施の形態2にかかる電気自動車充放電システムの構成例を示す図である。図5に示した電気自動車充放電システム1aは、本発明にかかるエネルギー表示システムの一例である。電気自動車充放電システム1aは、図5に示すように、表示装置101、電気自動車充放電器102、充放電ケーブル103およびエネルギー計測部104を備える。充放電ケーブル103は、実施の形態1と同様である。表示装置101および電気自動車充放電器102の動作は実施の形態1と一部異なるが、表示装置101および電気自動車充放電器102の構成は実施の形態1と同様であるため、表示装置101および電気自動車充放電器102の構成の説明は省略する。以下、実施の形態1と異なる点を主に説明する。
車両識別番号X:
時刻k:車両接続状態(接続中):放電可能容量値(B1)
時刻k+1:車両接続状態(接続中):放電可能容量値(B2)
時刻k+2:車両接続状態(非接続):放電可能容量値(不明)
・・・
といった情報が格納される。データベースには、このような情報が、車両識別番号ごとに格納される。
図12は、本発明の実施の形態3にかかる電気自動車充放電システムの構成例を示す図である。図12に示した電気自動車充放電システム1b−1は、実施の形態2の電気自動車充放電システム1aにインターネット接続部105が追加されている。充放電ケーブル103は、実施の形態1と同様である。エネルギー計測部104は実施の形態2と同様である。表示装置101および電気自動車充放電器102の動作は実施の形態1と一部異なるが、表示装置101および電気自動車充放電器102の構成は実施の形態1と同様であるため、表示装置101および電気自動車充放電器102の構成の説明は省略する。以下、実施の形態1または実施の形態2と異なる点を主に説明する。
Claims (12)
- 電動車両に搭載される蓄電池を充電することが可能であるとともに前記蓄電池を放電させることが可能な充放電部と、
前記充放電部に前記電動車両が接続されているときに、電動車両から、前記電動車両の車両識別番号と、前記蓄電池の放電可能な電力量を示す放電可能容量値とを取得する取得部と、
前記取得部により取得された前記車両識別番号と前記放電可能容量値とを表示する表示部と、
を備えることを特徴とするエネルギー表示システム。 - 前記取得部は、さらに前記蓄電池に蓄電可能な最大の容量を示す最大容量値を前記電動車両から取得し、
前記表示部は、前記車両識別番号と前記放電可能容量値と前記最大容量値とを表示することを特徴とする請求項1に記載のエネルギー表示システム。 - 記憶部と、
前記車両識別番号と前記放電可能容量値と時刻とを対応付けて前記記憶部に格納する制御部と、
を備え、
前記表示部は、前記車両識別番号ごとに、前記記憶部に格納されている前記放電可能容量値と前記時刻とを対応付けて表示することを特徴とする請求項1に記載のエネルギー表示システム。 - 太陽光発電システムにより発電された電力量と、宅内負荷により消費された電力量と、系統電源から供給される電力量と、系統電源へ逆潮流させる電力量とを計測可能なエネルギー計測部、
を備え、
前記制御部は、前記エネルギー計測部で計測された各電力量と時刻とを対応付けて前記記憶部に格納し、
前記表示部は、前記記憶部に格納されている前記各電力量のうちの少なくとも1つと前記時刻とを対応付けて表示することを特徴とする請求項3に記載のエネルギー表示システム。 - 前記充放電部に接続され、前記電動車両と接続可能な充放電ケーブル、
を備え、
前記取得部は、前記充放電ケーブルに電動車両が接続されると、該電動車両から、車両識別番号と、放電可能容量値とを取得し、
前記制御部は、前記充放電ケーブルに電動車両が接続されているか否かを示す車両接続状態を管理し、前記車両接続状態が非接続から接続となったときに前記取得部により取得された前記車両識別番号と一致する車両識別番号が前記記憶部に格納されている前記車両識別番号のなかにある場合、該車両識別番号に対応付けられて前記記憶部に格納されている最新の放電可能容量値である第1の放電可能容量値と、前記取得部により取得された最新の前記放電可能容量値である第2の放電可能容量値との差に基づいて、該車両識別番号に対応する前記電動車両の走行によって使用された電力量である第1の電力量、または該車両識別番号に対応する前記電動車両が前記充放電部以外の設備により充電された電力量である第2の電力量を算出し、
前記表示部は、前記第1の電力量が算出された場合に前記第1の電力量を表示し、前記第2の電力量が算出された場合に前記第2の電力量を表示することを特徴とする請求項3または4に記載のエネルギー表示システム。 - 前記制御部は、前記第1の放電可能容量値が前記第2の放電可能容量値より大きい場合に、前記差を前記第1の電力量とすることを特徴とする請求項5に記載のエネルギー表示システム。
- 前記制御部は、前記第1の放電可能容量値が前記第2の放電可能容量値より小さい場合に、前記差を前記第2の電力量とすることを特徴とする請求項5または6に記載のエネルギー表示システム。
- 利用者からの入力を受け付ける入力部、
を備え、
前記入力部による入力により、前記第1の電力量と前記第2の電力量とが変更可能であることを特徴とする請求項5から7のいずれか1項に記載のエネルギー表示システム。 - 広域ネットワークに接続可能であり、前記広域ネットワークを介して複数のエネルギー表示システムに接続可能なサーバ装置へ、前記車両識別番号と前記時刻と前記放電可能容量値とを送信する接続部、
を備え、
前記表示部は、前記車両識別番号ごとに、前記接続部を介して前記サーバ装置から取得された前記時刻と前記放電可能容量値とを表示することを特徴とする請求項3から8のいずれか1項に記載のエネルギー表示システム。 - 広域ネットワークに接続可能な端末装置、
を備え、
前記端末装置は、前記サーバ装置から前記広域ネットワークを介して、前記車両識別番号と前記放電可能容量値とを取得し、前記車両識別番号と前記放電可能容量値とを表示することを特徴とする請求項9に記載のエネルギー表示システム。 - 電動車両に搭載される蓄電池を充電することが可能であるとともに前記蓄電池を放電させることが可能な充放電器に接続される表示装置であって、
前記充放電器から、前記電動車両から取得された前記電動車両の車両識別番号と、前記蓄電池の放電可能な電力量を示す放電可能容量値とを受信する通信部と、
前記通信部が受信した前記車両識別番号と前記放電可能容量値とを表示する表示部と、
を備えることを特徴とする表示装置。 - 電動車両に搭載される蓄電池を充電することが可能であるとともに前記蓄電池を放電させることが可能な充放電部を備える電気自動車充放電システムにおけるエネルギー表示方法であって、
前記電気自動車充放電システムが、
前記充放電部に前記電動車両が接続されているときに、電動車両から、前記電動車両の車両識別番号と、前記蓄電池の放電可能な電力量を示す放電可能容量値とを取得する取得ステップと、
前記取得ステップにより取得された前記車両識別番号と前記放電可能容量値とを表示する表示ステップと、
を備えることを特徴とするエネルギー表示方法。
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