JP6091535B2 - 車両用表示装置 - Google Patents
車両用表示装置 Download PDFInfo
- Publication number
- JP6091535B2 JP6091535B2 JP2015028160A JP2015028160A JP6091535B2 JP 6091535 B2 JP6091535 B2 JP 6091535B2 JP 2015028160 A JP2015028160 A JP 2015028160A JP 2015028160 A JP2015028160 A JP 2015028160A JP 6091535 B2 JP6091535 B2 JP 6091535B2
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- Prior art keywords
- energy
- efficiency
- vehicle
- calculation unit
- display device
- Prior art date
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Classifications
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Instrument Panels (AREA)
Description
CFkW[kW]=CF[cc/sec]×kc2j[kJ/cc] ・・・(1)
CEkW[kW]=CEBat[kW] ・・・(2)
CBkW[kW]=(TTotal−TBR)[Nm]×N[rpm]×kT2P ・・・(3)
CkW[kW]=CFkW[kW]+CEkW[kW]+CBkW[kW] ・・・(4)
CkWO[kW]=CkW[kW]+kO ・・・(5)
VO[km/sec]=V[km/sec]+kO ・・・(6)
EAve[km/kJ]=DTotal[km]÷CTotal[kJ] ・・・(7)
EIns[km/kJ]=DIns[km]÷CIns[kJ] ・・・(8)
EECO[km/kJ]=EIns[km/kJ]−EAve[km/kJ] ・・・(9)
11 車両用表示装置
12 エンジン
24 バッテリ(蓄電デバイス)
31 摩擦ブレーキ
41 ディスプレイ(車載表示器)
60 燃料エネルギー算出部
61 電気エネルギー算出部
62 損失エネルギー算出部
63 消費量算出部
65 エネルギーオフセット加算部(消費量加算部)
66 距離オフセット加算部(走行距離加算部)
67 平均効率算出部(第1効率算出部)
68 瞬間効率算出部(第2効率算出部)
70 表示器制御部
CF 燃料消費量
CEBat 充放電電力
CFkW 燃料エネルギー
CEkW 電気エネルギー
CBkW 損失エネルギー
CkW エネルギー消費量
CkWO エネルギー消費量
V 走行距離
VO 走行距離
kO オフセット値(第1加算値,第2加算値)
DTotal 走行距離
CTotal エネルギー消費量
EAve 平均エネルギー効率(第1エネルギー効率)
DIns 走行距離
CIns エネルギー消費量
EIns 瞬間エネルギー効率(第2エネルギー効率)
EECO ゲージ演算値(効率差)
Claims (8)
- 回生ブレーキと摩擦ブレーキとを備え、前記回生ブレーキと前記摩擦ブレーキとの使用比率が運転操作に応じて変化する電動車両に設けられる車両用表示装置であって、
前記摩擦ブレーキの作動状態に基づいて、前記電動車両から放出される損失エネルギーを算出する損失エネルギー算出部と、
前記損失エネルギーに基づいて、前記電動車両が消費するエネルギー消費量を算出する消費量算出部と、
第1期間における走行距離とエネルギー消費量とに基づいて、第1エネルギー効率を算出する第1効率算出部と、
前記第1期間よりも短い第2期間における走行距離とエネルギー消費量とに基づいて、第2エネルギー効率を算出する第2効率算出部と、
前記第1エネルギー効率と前記第2エネルギー効率との効率差に基づいて、車載表示器の表示内容を制御する表示器制御部と、
を有する、車両用表示装置。 - 請求項1記載の車両用表示装置において、
前記電動車両が備える蓄電デバイスの充放電電力に基づいて、前記電動車両が消費或いは発電する電気エネルギーを算出する電気エネルギー算出部、を有し、
前記消費量算出部は、前記損失エネルギーと前記電気エネルギーとに基づいて、前記エネルギー消費量を算出する、車両用表示装置。 - 請求項2記載の車両用表示装置において、
前記電動車両が備えるエンジンの燃料噴射量に基づいて、前記電動車両が消費する燃料エネルギーを算出する燃料エネルギー算出部、を有し、
前記消費量算出部は、前記損失エネルギーと前記電気エネルギーと前記燃料エネルギーとに基づいて、前記エネルギー消費量を算出する、車両用表示装置。 - 請求項2記載の車両用表示装置において、
前記損失エネルギー算出部は、前記損失エネルギーを熱量として算出し、
前記電気エネルギー算出部は、前記電気エネルギーを熱量として算出する、車両用表示装置。 - 請求項3記載の車両用表示装置において、
前記損失エネルギー算出部は、前記損失エネルギーを熱量として算出し、
前記電気エネルギー算出部は、前記電気エネルギーを熱量として算出し、
前記燃料エネルギー算出部は、前記燃料エネルギーを熱量として算出する、車両用表示装置。 - 請求項1〜5のいずれか1項に記載の車両用表示装置において、
前記エネルギー消費量に第1加算値を加算して前記エネルギー消費量を更新し、更新された前記エネルギー消費量を前記第1効率算出部および前記第2効率算出部に出力する消費量加算部、を有する、車両用表示装置。 - 請求項6記載の車両用表示装置において、
前記走行距離に第2加算値を加算して前記走行距離を更新し、更新された前記走行距離を前記第1効率算出部および前記第2効率算出部に出力する走行距離加算部、を有する、車両用表示装置。 - 請求項7記載の車両用表示装置において、
前記第1加算値と前記第2加算値とは、互いに同じ値である、車両用表示装置。
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DE102016102675.1A DE102016102675A1 (de) | 2015-02-17 | 2016-02-16 | Anzeigevorrichtung für fahrzeuge |
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