JP5136773B2 - Vehicle display device - Google Patents

Vehicle display device Download PDF

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Publication number
JP5136773B2
JP5136773B2 JP2008085177A JP2008085177A JP5136773B2 JP 5136773 B2 JP5136773 B2 JP 5136773B2 JP 2008085177 A JP2008085177 A JP 2008085177A JP 2008085177 A JP2008085177 A JP 2008085177A JP 5136773 B2 JP5136773 B2 JP 5136773B2
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display
vehicle
arrival time
predicted arrival
display device
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JP2009238054A (en
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剛士 江尻
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Nippon Seiki Co Ltd
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Nippon Seiki Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/84Data processing systems or methods, management, administration

Description

本発明は、自車前方に存在する停止車両等の危険対象についての情報を提示する車両用表示装置に関するものである。   The present invention relates to a display device for a vehicle that presents information about a danger target such as a stopped vehicle existing in front of the host vehicle.

従来より、対象物までの残距離や到達時間を提示する車両用表示装置が種々提案されており、例えば特許文献1,特許文献2に開示されている。斯かる車両用表示装置は、特定地点やルートガイドのターニングポイントまでの残距離が短くなるにつれて、表示する絵や文字を拡大することで車両運転者に残距離情報を提示している。このような情報提示によって、車両運転者は、前記特定地点までの残距離情報や予測到達時間を把握することができる。
特開2002−168636号公報 特開2005−162154号公報
Conventionally, various vehicle display devices that present a remaining distance to an object and an arrival time have been proposed. For example, Patent Documents 1 and 2 disclose. Such a vehicular display device presents the remaining distance information to the vehicle driver by enlarging the picture and characters to be displayed as the remaining distance to the turning point of the specific point or the route guide becomes shorter. By presenting such information, the vehicle driver can grasp the remaining distance information to the specific point and the predicted arrival time.
JP 2002-168636 A JP 2005-162154 A

しかしながら、前記車両用表示装置は、表示された残距離情報を、拡大される前の大きさと比較することができないため、運転中に瞬間的に表示を視認する場合、残距離情報の変化を把握し難いという問題を有していた。
本発明は、この問題に鑑みなされたものであり、対象地点までの予測到達時間の変化を、表示を注視しなくとも車両運転者に提示することができる車両用表示装置を提供するものである。
However, since the vehicle display device cannot compare the displayed remaining distance information with the size before being enlarged, when the display is instantaneously viewed during driving, the change in the remaining distance information is grasped. It was difficult to do.
The present invention has been made in view of this problem, and provides a vehicle display device capable of presenting a change in predicted arrival time to a target point to a vehicle driver without paying attention to the display. .

本発明は、自車前方に存在する危険対象の位置情報を取得する危険対象位置情報取得手段と、自車の位置を検出すると共に前記危険対象までの距離を検出する自車位置検出手段と、前記危険対象までの予測到達時間を算出し、前記予測到達時間を表示手段に表示させる制御手段と、を備えた車両用表示装置であって、前記制御手段は、前記予測到達時間についての情報提示開始位置と、前記危険対象の位置との間を複数の区間に分割し、前記区間において前記予測到達時間を表す表示形態の変化速度を決定すると共に、前記表示形態の表示拡大周期によって前記予測到達時間を前記表示手段に表示させるものである。
The present invention includes a risk target position information acquisition unit that acquires position information of a risk target existing in front of the host vehicle, a host vehicle position detection unit that detects the position of the host vehicle and detects a distance to the risk target, Control means for calculating a predicted arrival time to the danger target and displaying the predicted arrival time on a display means, wherein the control means presents information about the predicted arrival time The start position and the position of the danger target are divided into a plurality of sections, the change rate of the display form representing the predicted arrival time in the section is determined, and the predicted arrival is determined by the display expansion period of the display form Time is displayed on the display means.

表示形態の変化速度によって危険対象までの予測到達時間を車両運転者に提示することにより、車両運転者は表示手段を注視しなくとも予測到達時間を把握することができる。   By presenting the predicted arrival time to the danger target to the vehicle driver based on the change speed of the display mode, the vehicle driver can grasp the predicted arrival time without paying attention to the display means.

以下、添付図面に基づいて、本発明の一実施形態を説明する。車両用表示装置は、危険対象位置情報取得手段101,自車位置検出手段102,制御手段103及び表示手段104から構成されている。   Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. The vehicle display device includes a danger target position information acquisition unit 101, a host vehicle position detection unit 102, a control unit 103, and a display unit 104.

危険対象位置情報取得手段101は、見通しの悪い道路などにおいて、自車前方に存在する停止車両や一時停止地点等の車両運転者が注意しなければならない危険対象の位置情報を取得し、その位置情報を制御手段103に出力する。自車位置検出手段102は、GPS(Global Positioning System)により自車の現在位置情報を取得すると共に、前記危険対象までの距離を演算して、制御手段103に距離情報を出力する。   The danger target position information acquisition means 101 acquires the position information of the danger target that must be noted by a vehicle driver such as a stop vehicle or a temporary stop point in front of the host vehicle on a road with poor visibility. Information is output to the control means 103. The own vehicle position detection means 102 acquires the current position information of the own vehicle by GPS (Global Positioning System), calculates the distance to the dangerous object, and outputs the distance information to the control means 103.

制御手段103は、危険対象位置情報取得手段101にて取得した危険対象の位置情報と、自車位置検出手段102にて得られた自車の現在位置情報とに基づいて、表示手段104の表示内容を変化させる。表示手段104は、メータ内のディスプレイ,HUDやカーナビのモニタからなるものであり、制御手段103で生成された表示内容を表示する。   The control means 103 displays the display on the display means 104 based on the position information of the danger object acquired by the danger object position information acquisition means 101 and the current position information of the own vehicle obtained by the own vehicle position detection means 102. Change the content. The display means 104 includes a display in the meter, a HUD or a car navigation monitor, and displays the display contents generated by the control means 103.

次に、図2に基づいて、表示手段104に表示される表示形態の変化について詳述する。
301は自車であり、302は自車が向かう先に存在する停止車両(危険対象)である。制御手段103は、情報提示を開始する地点308から危険対象位置までを3つの区間303,304,305に分割する。
制御手段103は、表示手段104に表示される表示部202a〜202cの移動速度を変化させる位置306,307を算出し、その位置306,307に到達したとき、表示部202a〜202cの拡大速度を変化させる。
Next, a change in the display form displayed on the display unit 104 will be described in detail with reference to FIG.
Reference numeral 301 denotes a host vehicle, and reference numeral 302 denotes a stopped vehicle (danger target) that exists at the destination of the host vehicle. The control means 103 divides the section from the point 308 where the information presentation starts to the danger target position into three sections 303, 304, and 305.
The control unit 103 calculates positions 306 and 307 for changing the moving speeds of the display units 202a to 202c displayed on the display unit 104. When the control unit 103 reaches the positions 306 and 307, the enlargement speed of the display units 202a to 202c is calculated. Change.

自車301が地点308に到達したとき、表示手段104の画面には、危険対象の内容を示すアイコン201と、危険対象までの到達時間を示す表示部202a〜202cとが表示される(図3参照)。表示部202a〜202cは、画面中央から画面外側に向けて連続的に拡大し、最も外側まで拡大した後は、再び画面中央から拡大し始め、これを繰り返す。
自車301が区間305に位置しているとき、表示部202a〜202cの移動速度は最も遅い速度であり、表示部202aが画面中央に出現してから、最も外側まで拡大した表示部202cが表示されるまでの周期は1.5秒である。
When the host vehicle 301 reaches the point 308, an icon 201 indicating the contents of the dangerous object and display units 202a to 202c indicating the arrival time to the dangerous object are displayed on the screen of the display unit 104 (FIG. 3). reference). The display units 202a to 202c continuously enlarge from the center of the screen toward the outside of the screen, and after expanding to the outermost side, start to enlarge again from the center of the screen and repeat this.
When the host vehicle 301 is located in the section 305, the moving speed of the display units 202a to 202c is the slowest speed, and the display unit 202c expanded to the outermost side after the display unit 202a appears in the center of the screen is displayed. The period until it is done is 1.5 seconds.

自車301が停止車両302に近づいて、地点307に到達したとき、表示部202a〜202cの表示拡大周期は短くなり、1秒になる。その後、自車301が地点306に到達したとき、表示部202a〜202cの表示拡大周期は更に短くなり、周期は0.5秒になる。自車301が停止車両302の周辺に到達したときには、車両運転者は停止車両302が見えているため、表示を停止する。   When the host vehicle 301 approaches the stop vehicle 302 and reaches the point 307, the display expansion period of the display units 202a to 202c is shortened to 1 second. Thereafter, when the host vehicle 301 reaches the point 306, the display enlargement cycle of the display units 202a to 202c is further shortened, and the cycle is 0.5 seconds. When the own vehicle 301 reaches the periphery of the stop vehicle 302, the vehicle driver stops the display because the stop vehicle 302 is visible.

以上説明したように、表示部202a〜202cが画面中央に出現してから最も外側に拡大するまでの時間は、自車位置から危険対象の位置までを複数に分割した区間303,304,305によって変化し、自車301が危険対象に近い区間に入る毎に、マーク202a〜202cが移動する速度が速くなる。つまり、自車301が区間305に位置しているとき、表示拡大周期は1.5秒、自車301が区間304に位置しているとき、表示拡大周期は1秒、自車301が区間303に位置しているとき、表示拡大周期は0.5秒である。   As described above, the time from when the display units 202a to 202c appear in the center of the screen until the display parts 202a to 202c expand outward is determined by the sections 303, 304, and 305 that are divided from the vehicle position to the position of the danger target. The speed at which the marks 202a to 202c move increases each time the vehicle 301 enters a section close to the danger target. That is, when the own vehicle 301 is located in the section 305, the display enlargement cycle is 1.5 seconds, when the own vehicle 301 is located in the section 304, the display enlargement cycle is 1 second, and the own vehicle 301 is in the section 303. When positioned at, the display magnification period is 0.5 seconds.

人間の視覚特性において、周辺視野では細かいものを見ることは困難であるが動くものには反応できるため、運転中に視線を前方に向けた状態においても、周辺視野で動く表示部202a〜202cの動きと変化速度によって、危険対象までの到達時間が短くなっていることを認識することが可能となる。   In human visual characteristics, it is difficult to see a fine thing in the peripheral visual field, but it can react to a moving object. It is possible to recognize that the arrival time to the dangerous object is shortened by the movement and the change speed.

本実施形態によれば、表示手段104の画面に表示された表示部202a〜202cが動く速度とその変化速度によって危険対象までの予測到達時間を車両運転者に伝えるため、周辺視野で動体を検出できる人間の視覚特性上、表示を注視しなくとも視界の隅で予測到達時間を表す表示の動き変化を把握でき、表示を見ることによる注意散漫を軽減することができ、安全運転に寄与することができる。なお、表示形態の変化は、例えば、色変化、明るさ変化または大きさ変化であっても良い。   According to this embodiment, a moving object is detected in the peripheral visual field in order to inform the vehicle driver of the predicted arrival time to the danger target by the speed at which the display units 202a to 202c displayed on the screen of the display unit 104 move and the change speed thereof. It is possible to grasp the change in the display movement that represents the estimated arrival time at the corner of the field of view without having to pay attention to the display, and to reduce distraction from seeing the display, contributing to safe driving Can do. Note that the change in the display form may be, for example, a color change, a brightness change, or a size change.

本発明の実施形態を示すブロック図。The block diagram which shows embodiment of this invention. 同上実施形態を示す区間の説明図。Explanatory drawing of the area which shows embodiment same as the above. 同上実施形態を示す表示例説明図。Display example explanatory drawing which shows embodiment same as the above.

符号の説明Explanation of symbols

101 危険対象位置情報取得手段
102 自車位置検出手段
103 制御手段
104 表示手段
301 自車
302 停止車両(危険対象)
DESCRIPTION OF SYMBOLS 101 Danger object position information acquisition means 102 Own vehicle position detection means 103 Control means 104 Display means 301 Own vehicle 302 Stop vehicle (danger object)

Claims (1)

自車前方に存在する危険対象の位置情報を取得する危険対象位置情報取得手段と、自車の位置を検出すると共に前記危険対象までの距離を検出する自車位置検出手段と、前記危険対象までの予測到達時間を算出し、前記予測到達時間を表示手段に表示させる制御手段と、を備えた車両用表示装置であって、
前記制御手段は、前記予測到達時間についての情報提示開始位置と、前記危険対象の位置との間を複数の区間に分割し、前記区間において前記予測到達時間を表す表示形態の変化速度を決定すると共に、前記表示形態の表示拡大周期によって前記予測到達時間を前記表示手段に表示させることを特徴とする車両用表示装置。
Hazardous object position information acquiring means for acquiring position information of a dangerous object existing in front of the own vehicle, own vehicle position detecting means for detecting the position of the own vehicle and detecting the distance to the dangerous object, and up to the dangerous object Control means for calculating the predicted arrival time and displaying the predicted arrival time on a display means, and a vehicle display device comprising:
The control unit divides the information presentation start position regarding the predicted arrival time and the position of the danger target into a plurality of sections, and determines a change speed of a display form representing the predicted arrival time in the section. In addition, the vehicle display device displays the predicted arrival time on the display unit according to the display expansion period of the display form .
JP2008085177A 2008-03-28 2008-03-28 Vehicle display device Expired - Fee Related JP5136773B2 (en)

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Cited By (1)

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JP2011079428A (en) * 2009-10-07 2011-04-21 Isuzu Motors Ltd Display device for vehicle
JP5477158B2 (en) * 2010-05-17 2014-04-23 日産自動車株式会社 Vehicle display device
JP7113557B2 (en) * 2017-08-29 2022-08-05 株式会社ユピテル Electronics and programs
JP6978009B2 (en) * 2017-08-29 2021-12-08 株式会社ユピテル Electronics and programs
CN108109436A (en) * 2018-02-07 2018-06-01 肖孟 Vehicle high-speed safety early warning device and method

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JP2002367099A (en) * 2001-06-12 2002-12-20 Nissan Motor Co Ltd Information processor for vehicle

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CN111845347B (en) * 2020-07-30 2022-03-15 广州小鹏汽车科技有限公司 Vehicle driving safety prompting method, vehicle and storage medium

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