JP2003063459A - Drive recorder device for vehicle - Google Patents
Drive recorder device for vehicleInfo
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- JP2003063459A JP2003063459A JP2001259707A JP2001259707A JP2003063459A JP 2003063459 A JP2003063459 A JP 2003063459A JP 2001259707 A JP2001259707 A JP 2001259707A JP 2001259707 A JP2001259707 A JP 2001259707A JP 2003063459 A JP2003063459 A JP 2003063459A
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- Prior art keywords
- recording
- vehicle
- information
- detecting
- record
- Prior art date
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Abstract
(57)【要約】
【課題】 車両周辺環境を撮像したカメラを搭載した車
両用ドライブレコーダ装置において、事故発生以前の周
辺情報を長時間記録し、事故発生原因の解析に役立てる
手段を提供する。
【解決手段】 撮像部１１で撮像した車両周辺状況と車
両センサ１４が検出した車両状態とを記録部１５で連続
的に記録し、事故率の高い交差点の位置情報を予め設定
して、車両の現在位置検出部１２がその交差点に接近し
たことを検出した時に、制御部１０が記録部１５の記録
を停止して第１記録保存部１６にその記録情報を保存し
た後、記録部１５の記録を再開する。その後、衝撃検知
センサ１３が衝突を検知した場合には、その信号に基づ
き再開後の記録情報を第２記録保存部１７に保存する。
(57) [Summary] [PROBLEMS] To provide a vehicle drive recorder device equipped with a camera that captures an environment around a vehicle, records peripheral information before the occurrence of the accident for a long time, and provides a means for analyzing the cause of the accident. A vehicle surrounding state captured by an image capturing unit and a vehicle state detected by a vehicle sensor are continuously recorded by a recording unit, and position information of an intersection having a high accident rate is set in advance, so that the vehicle is controlled by a vehicle. When the current position detection unit 12 detects that the vehicle has approached the intersection, the control unit 10 stops the recording of the recording unit 15 and stores the recording information in the first recording storage unit 16, and then records the recording information in the recording unit 15. Resume. Thereafter, when the impact detection sensor 13 detects a collision, the restarted recording information is stored in the second recording storage unit 17 based on the signal.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、車両走行状態の記録か
ら事故発生原因を究明する装置において、特に車両周辺
環境を記録することにより事故発生時の状況を明確にす
る車両用ドライブレコーダ装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for investigating the cause of an accident from the record of the running condition of a vehicle, and more particularly to a drive recorder device for a vehicle which records the environment around the vehicle to clarify the situation at the time of the accident. .
【０００２】[0002]
【従来の技術】従来の車両用ドライブレコーダ装置は、
車両事故が発生した際のその原因を追究するための装置
で、事故発生前後の車速・加速度・ブレーキ圧・ハンド
ル舵角等を検出する車両センサ信号の記録から車両の走
行状態を分析する。さらに、車両周辺環境を撮像するカ
メラを搭載し、カメラの撮像画像を合わせて記録するこ
とにより、事故発生時の状況を明確にする装置が提案さ
れている。上記装置は、例えば特開2000-6854号公報に
示すように、車両走行中の撮像画像に対して最古のデー
タを順次更新することにより連続して記録し、衝撃検知
センサの作動により事故が発生したと判断した場合、所
定時間後に記録を停止し、記録画像を記録保存部に転送
するものがある。2. Description of the Related Art A conventional vehicle drive recorder device is
It is a device for investigating the cause of a vehicle accident, and it analyzes the running condition of the vehicle from the records of vehicle sensor signals that detect the vehicle speed, acceleration, brake pressure, steering angle, etc. before and after the accident. Further, there has been proposed a device that is equipped with a camera that captures an image of the environment around the vehicle and that records the captured image of the camera together to clarify the situation when an accident occurs. The device described above, for example, as disclosed in Japanese Patent Laid-Open No. 2000-6854, continuously records the oldest data with respect to the captured image while the vehicle is running, and records the accident continuously due to the operation of the impact detection sensor. In some cases, when it is determined that the recording has occurred, recording is stopped after a predetermined time and the recorded image is transferred to the recording storage unit.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来の車両用ドライブレコーダ装置では、衝撃検知センサ
の作動により記録停止及び保存動作を行うため、事故発
生以前の周辺環境を長時間記録保存できないという課題
を有していた。また、また衝撃検知センサを用いた上記
従来の方式では、装置が破壊されるような極めて大きな
衝突事故の場合、また接触事故等比較的軽度の事故の場
合は、衝撃検知センサが動作しないので記録保存が行わ
れないという課題を有していた。また記録動作を繰り返
す上記従来の方式では、記録部の耐久性に課題があっ
た。However, in the above-mentioned conventional drive recorder apparatus for a vehicle, since the recording is stopped and stored by the operation of the impact detection sensor, the surrounding environment before the accident cannot be recorded and stored for a long time. Had. Also, in the above-mentioned conventional method using the impact detection sensor, the impact detection sensor does not operate in the case of an extremely large collision accident that destroys the device, or in the case of a relatively minor accident such as a contact accident. It had a problem that it was not saved. Further, in the above-mentioned conventional method in which the recording operation is repeated, there is a problem in durability of the recording portion.
【０００４】本発明は、上記従来の課題を解決するもの
であり、事故発生以前の周辺環境等を長時間記録保存す
ることができ、また事故の規模に拘らず車両状況を記録
保存することができ、記録部の耐久性のある車両用ドラ
イブレコーダ装置を提供することを目的とする。The present invention solves the above-mentioned problems of the prior art. It is possible to record and preserve the surrounding environment and the like before the occurrence of an accident for a long time, and to record and preserve the vehicle condition regardless of the scale of the accident. An object of the present invention is to provide a drive recorder device for a vehicle that can be formed and has a durable recording unit.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するた
め、本発明の車両用ドライブレコーダ装置は、車両走行
時の周囲画像を撮影する撮像手段と、車両走行状態を検
出する走行状態検出手段と、前記撮影された周囲画像を
記録する記録手段と、前記記録を所定のタイミングで停
止して前記記録した情報を保存する第１及び第２の記録
保存手段とを有し、予め設定された特定地点において前
記記録手段の記録を停止して前記第１の記録保存手段に
前記記録情報を転送した後、前記記録手段への記録を再
開し、所定の信号の入力により前記記録手段の記録を再
度停止して前記第２の記録保存手段に前記記録再開後の
記録情報を転送することを特徴とするものである。この
構成により、車両事故発生を想定した特定地点に接近し
た時に記録保存することにより、事故発生以前の画像を
長時間記録可能となり周辺状況の解析に役立てることが
できる。また特定地点検出情報を基に記録情報を保存し
ておくことにより、衝突事故の度合いが大きく記録動作
が行われない場合においても、上記記録情報を保存する
ことができ、その保存情報を事故発生の手掛かりとする
ことができる。In order to solve the above-mentioned problems, a vehicle drive recorder device of the present invention comprises an image pickup means for taking an image of the surroundings when the vehicle is running, and a running state detecting means for detecting the running state of the vehicle. A recording means for recording the photographed ambient image, and first and second recording and storing means for stopping the recording at a predetermined timing and storing the recorded information, and the preset specification After stopping the recording of the recording means at the point and transferring the recording information to the first recording storage means, the recording to the recording means is restarted and the recording of the recording means is again performed by the input of a predetermined signal. The recording information after the recording is restarted is transferred to the second recording storage means after the recording is stopped. With this configuration, by recording and storing when the vehicle approaches a specific point where a vehicle accident occurs, it is possible to record an image before the accident occurs for a long time, which can be useful for analyzing the surrounding situation. Also, by saving the record information based on the specific point detection information, the above record information can be saved even when the degree of collision accident is large and the recording operation is not performed. Can be used as a clue.
【０００６】また、本発明の車両用ドライブレコーダ装
置は、車両の現在位置を検出する現在位置検出手段と、
車両の衝突を検出する衝撃検知センサとを有し、前記第
１の記録保存手段への記録情報の転送を前記現在位置検
出手段で検出した交差点接近情報により行い、前記第２
の記録保存手段への記録情報の転送を前記衝撃検知セン
サからの衝突検出信号により行うことを特徴とするもの
である。この構成により、車両の現在位置情報を利用し
て事故が発生しやすい特定地点を想定し、その特定地点
検出情報をもとに記録情報を保存することにより、事故
発生以前の周辺情報を長時間記録保存可能であり、事故
発生以前の周辺状況を解析し、事故発生時原因の解明に
役立てることができる。また、衝突度合いが大きく記録
保存動作しない状況においても、予め事故発生前の情報
を記録保存しておくことにより、事故発生原因解明の手
掛かりを得ることができる。Further, the vehicle drive recorder device of the present invention comprises a current position detecting means for detecting the current position of the vehicle,
An impact detection sensor for detecting a collision of a vehicle, and transferring the record information to the first record storage means by the intersection approach information detected by the current position detection means.
The transfer of the record information to the record storage means is performed by a collision detection signal from the impact detection sensor. With this configuration, the current location information of the vehicle is used to assume a specific point where an accident is likely to occur, and the recorded information is saved based on the specific point detection information, so that the surrounding information before the accident can be stored for a long time. Records can be saved, and it is possible to analyze the surrounding conditions before the occurrence of an accident and use it to clarify the cause when an accident occurs. Further, even in a situation where the degree of collision is large and the record storage operation is not performed, by recording and storing the information before the accident occurrence in advance, it is possible to obtain a clue to clarify the cause of the accident occurrence.
【０００７】また、本発明の車両用ドライブレコーダ装
置は、信号機または道路標示または道路標識の標準画像
を格納したメモリと、前記撮像手段により撮像した信号
機または道路標示または道路標識の画像と前記メモリ内
の標準画像とのパターンマッチング処理を行う画像処理
手段と、車両の衝突を検出する衝撃検知センサとを有
し、前記第１の記録保存手段への記録情報の転送を前記
画像処理手段からの画像認識情報により行い、前記第２
の記録保存手段への記録情報の転送を前記衝撃検知セン
サからの衝突検出信号により行うことを特徴とするもの
である。この構成により、道路標識等を利用して事故が
発生しやすい特定地点を想定し、その特定地点における
道路標識等の画像情報をもとに記録情報を保存すること
により、事故発生以前の周辺情報を長時間記録保存可能
であり、事故発生以前の周辺状況を解析し、事故発生時
原因の解明に役立てることができる。また、衝突度合い
が大きく記録保存動作しない状況においても、予め事故
発生前の情報を記録保存しておくことにより、事故発生
原因解明の手掛かりを得ることができる。Further, the vehicle drive recorder apparatus of the present invention includes a memory storing a standard image of a traffic light, a road marking or a road sign, an image of the traffic light, a road marking or a road sign imaged by the imaging means, and the memory. Image processing means for performing pattern matching processing with the standard image and a shock detection sensor for detecting a collision of a vehicle, and transfer of record information to the first record storage means is performed by the image from the image processing means. Performed by the recognition information, and the second
The transfer of the record information to the record storage means is performed by a collision detection signal from the impact detection sensor. With this configuration, a specific point where an accident is likely to occur is assumed using road signs, etc., and the recorded information is saved based on the image information of the road sign etc. at that specific point, so that the surrounding information before the accident occurs Can be recorded and stored for a long time, and it is possible to analyze the surrounding conditions before the occurrence of the accident and use it to clarify the cause when the accident occurs. Further, even in a situation where the degree of collision is large and the record storage operation is not performed, by recording and storing the information before the accident occurrence in advance, it is possible to obtain a clue to clarify the cause of the accident occurrence.
【０００８】また、本発明の車両用ドライブレコーダ装
置は、車両走行時の周囲画像を撮影する撮像手段と、車
両走行状態を検出する走行状態検出手段と、車両のヨー
レートを検出するヨーレートセンサと、車両の前後左右
方向に生じる加速度を検出する加速度センサと、前記撮
影された周囲画像及び走行情報を記録する記録手段と、
前記記録を所定のタイミングで停止し記録情報を保存す
る記録保存手段を有し、前記ヨーレートセンサから所定
値以上のヨーレート信号を入力した場合に前記記録手段
の記録を停止し、前記加速度センサから所定値以上の信
号を入力した場合に、前記記録情報を前記記録保存部へ
転送することを特徴とするものである。この構成によ
り、ヨーレートセンサの出力信号とその後に発生する加
速度センサの出力信号の検出により記録保存動作を行う
ことにより、接触事故等比較的軽度の事故における車両
周辺環境の記録が可能となる。Further, the vehicle drive recorder apparatus of the present invention comprises an image pickup means for picking up an image of the surroundings when the vehicle is running, a running state detecting means for detecting the running state of the vehicle, and a yaw rate sensor for detecting the yaw rate of the vehicle. An acceleration sensor that detects an acceleration that occurs in the front-rear and left-right directions of the vehicle; and a recording unit that records the captured surrounding image and traveling information,
Recording means for stopping the recording at a predetermined timing and storing recording information is provided, and when the yaw rate signal of a predetermined value or more is input from the yaw rate sensor, the recording of the recording means is stopped and the predetermined value is obtained from the acceleration sensor. The recording information is transferred to the recording storage unit when a signal having a value equal to or more than a value is input. With this configuration, by performing the record storage operation by detecting the output signal of the yaw rate sensor and the output signal of the acceleration sensor generated thereafter, it becomes possible to record the environment around the vehicle in a relatively mild accident such as a contact accident.
【０００９】また、本発明の車両用ドライブレコーダ装
置は、車両走行時の周囲画像を撮影する撮像手段と、車
両走行状態を検出する走行状態検出手段と、車両の走行
位置を検出する現在位置検出手段と、前記撮影された周
囲画像及び走行情報を記録する記録手段と、前記記録を
所定のタイミングで停止し記録情報を保存する記録保存
手段を有し、前記現在位置検出手段からの現在位置情報
をもとに前記記録手段の記録を開始し、前記加速度セン
サからの所定値以上の大きさの信号入力により前記記録
手段の記録を停止し、前記記録保存手段に記録情報を転
送することを特徴とするものである。この構成により、
車両スタート時に直ちに記録を開始せずに、事故発生が
起こり得る状況において記録を開始することにより、記
録部可動時間が低減し、記録手段の繰り返し使用に対し
て耐久性を向上させることができる。Further, the vehicle drive recorder device of the present invention includes an image pickup means for picking up an image of the surroundings when the vehicle is running, a running state detecting means for detecting the running state of the vehicle, and a current position detection for detecting the running position of the vehicle. Means, a recording means for recording the photographed surrounding image and the traveling information, and a recording storage means for storing the recording information by stopping the recording at a predetermined timing, and present position information from the present position detecting means. Based on the above, the recording of the recording means is started, the recording of the recording means is stopped by the input of a signal of a predetermined value or more from the acceleration sensor, and the recording information is transferred to the recording storage means. It is what With this configuration,
By starting recording in a situation where an accident may occur without starting recording immediately when the vehicle is started, it is possible to reduce the movable time of the recording unit and improve the durability against repeated use of the recording means.
【００１０】[0010]
【発明の実施の形態】（実施の形態１）以下、本発明の
実施の形態について図面を参照しながら説明する。図１
は本発明の実施の形態１における車両用ドライブレコー
ダ装置の構成を示している。図１において、制御部１０
は、装置全体を制御するものであり、装置の各部が接続
されている。撮像部１１は、走行時の車両周辺環境等の
画像を撮像するビデオカメラである。現在位置検出部１
２は、車両の現在位置を検出するものであり、例えば本
装置に接続されたナビゲーション装置からの現在位置情
報を利用する。衝撃検知センサ１３は、車両の衝突を検
知するものであり、加速度センサが用いられる。車両セ
ンサ１４は、車速・加速度・ブレーキ圧・ハンドル舵角
等の車両走行状態を検知するセンサの集合である。リン
グバッファ構造の記録部１５は、撮像部１１からの撮像
画像と車両センサ１４からの車両走行状態を連続的に記
録する。第１記録保存部１６及び第２記録保存部１７
は、制御部１０の制御の基に記録を所定のタイミングで
停止して記録情報を保存する。BEST MODE FOR CARRYING OUT THE INVENTION (Embodiment 1) Hereinafter, embodiments of the present invention will be described with reference to the drawings. Figure 1
1 shows a configuration of a vehicle drive recorder device according to Embodiment 1 of the present invention. In FIG. 1, the control unit 10
Controls the entire apparatus, and each unit of the apparatus is connected. The imaging unit 11 is a video camera that captures an image of a vehicle surrounding environment and the like when the vehicle is running. Current position detector 1
Reference numeral 2 is for detecting the current position of the vehicle, for example, utilizing the current position information from the navigation device connected to this device. The impact detection sensor 13 detects a collision of a vehicle and uses an acceleration sensor. The vehicle sensor 14 is a set of sensors that detect vehicle traveling states such as vehicle speed, acceleration, brake pressure, steering wheel steering angle, and the like. The recording unit 15 having a ring buffer structure continuously records the captured image from the image capturing unit 11 and the vehicle traveling state from the vehicle sensor 14. First record storage unit 16 and second record storage unit 17
Under the control of the control unit 10, the recording is stopped at a predetermined timing and the recording information is saved.
【００１１】次に本実施の形態１の動作について図２を
用いて説明する。まず、エンジン始動によりドライブレ
コーダ装置およびナビゲーション装置を起動し、ステッ
プS２０でエンジン始動から所定時間経過後、制御部１
０は、記録部１５に対し撮像部１１で撮像された画像及
び車両センサ１４で検出された信号の記録を開始させ
る。なお、図示していないが手動スイッチにより記録を
開始するようにしても良い。次にステップS２１で現在
位置検出部１２によりナビゲーション装置から現在位置
情報の取り込みを開始する。そしてステップS２２で上
記現在位置情報を基に車両が特定の場所に接近している
かどうかを検出する。上記特定の場所とは、事故が起こ
りやすい場所を予め想定し、例えば出会い頭事故が発生
しやすい交差点を選択して特定地点として設定してお
く。そしてステップS２３で特定地点として設定した交
差点に接近したことを示す信号を現在位置検出部１２か
ら受け取ると、制御部１０は記録部１５の記録を停止
し、ステップS２４で上記記録情報を第１記録保存部１
６へ転送した後、ステップS２５で上記画像及び車両セ
ンサ情報の記録を再開する。次にステップS２６で、記
録再開後所定時間ｔ０内に衝撃検知センサ１３からの信
号を入力したかどうか判別する。そして上記信号を入力
した場合は事故が発生したと判断し、ステップS２７で
信号入力から所定時間ｔ１経過後、記録部１５の記録を
停止し、ステップS２８で上記記録情報を第２記録保存
部１７に保存する。一方、衝撃検知センサ１３の信号が
所定時間ｔ０内に受信されなければ、事故が発生しなか
ったと判断し、ステップS２９で第１記録保存部１６の
情報をリセットし、ステップS２０に戻る。したがっ
て、事故が発生しない限り、上記のステップが繰り返さ
れることになる。衝撃検知センサ１３の信号を検出する
時間ｔ０の設定は、事故発生の有無を判定するまでの時
間であり、任意に設定した時間でもよく、例えば車速が
交差点通過後所定値以上に達した時としても良い。上記
動作により、交差点進入以前の車両周辺環境情報が第１
記録保存部１６に保存され、それ以降の事故発生前後の
車両周辺環境情報が第２記録保存部１７に記録される。Next, the operation of the first embodiment will be described with reference to FIG. First, the drive recorder device and the navigation device are started by starting the engine, and after a predetermined time has elapsed from the starting of the engine in step S20, the control unit 1
0 causes the recording unit 15 to start recording the image captured by the image capturing unit 11 and the signal detected by the vehicle sensor 14. Although not shown, recording may be started by a manual switch. Next, in step S21, the current position detection unit 12 starts to fetch the current position information from the navigation device. Then, in step S22, it is detected based on the current position information whether the vehicle is approaching a specific place. As the specific place, a place where an accident is likely to occur is assumed in advance. For example, an intersection where an encounter accident is likely to occur is selected and set as a specific point. Then, when a signal indicating that the intersection set as the specific point is approached is received from the current position detection unit 12 in step S23, the control unit 10 stops the recording of the recording unit 15, and the recording information is first recorded in step S24. Storage 1
After transferring to 6, the recording of the image and vehicle sensor information is restarted in step S25. Next, in step S26, it is determined whether or not a signal from the impact detection sensor 13 has been input within a predetermined time t0 after resuming recording. When the signal is input, it is determined that an accident has occurred, the recording of the recording unit 15 is stopped after a predetermined time t1 has elapsed from the signal input in step S27, and the recording information is stored in the second recording storage unit 17 in step S28. Save to. On the other hand, if the signal from the impact detection sensor 13 is not received within the predetermined time t0, it is determined that no accident has occurred, the information in the first record storage unit 16 is reset in step S29, and the process returns to step S20. Therefore, the above steps are repeated unless an accident occurs. The time t0 for detecting the signal of the impact detection sensor 13 is set until it is determined whether or not an accident has occurred, and may be set arbitrarily. For example, when the vehicle speed reaches a predetermined value or more after passing an intersection. Is also good. By the above operation, the vehicle surrounding environment information before entering the intersection is the first.
The vehicle surrounding environment information, which is stored in the record storage unit 16 and before and after the subsequent occurrence of the accident, is recorded in the second record storage unit 17.
【００１２】このように、本実施の形態１によれば、車
両の現在位置情報を利用して事故が発生しやすい特定地
点を想定し、その特定地点検出情報をもとに記録情報を
保存することにより、事故発生以前の周辺情報を長時間
記録保存可能であり、事故発生以前の周辺状況を解析
し、事故発生時原因の解明に役立てることができる。ま
た、衝突度合いが大きく記録保存動作しない状況におい
ても、予め事故発生前の情報を記録保存しておくことに
より、事故発生原因解明の手掛かりを得ることができ
る。As described above, according to the first embodiment, a specific point where an accident is likely to occur is assumed using the current position information of the vehicle, and the record information is stored based on the specific point detection information. As a result, it is possible to record and store the peripheral information before the accident occurs for a long time, analyze the peripheral condition before the accident occurrence, and use it for clarifying the cause when the accident occurs. Further, even in a situation where the degree of collision is large and the record storage operation is not performed, by recording and storing the information before the accident occurrence in advance, it is possible to obtain a clue to clarify the cause of the accident occurrence.
【００１３】（実施の形態２）次に、本発明の実施の形
態２について説明する。本実施の形態２は、上記実施の
形態１における記録保存のタイミングを、車両の現在位
置情報によらずに、信号機や道路標識、あるいは路面上
の道路標示の検出情報を用いて行うものである。図３は
本実施の形態２における車両用ドライブレコーダ装置の
ブロック構成を示し、上記実施の形態１の構成に、現在
位置検出部１２を削除し、画像認識を行うための画像処
理部３１とメモリ３２と追加したものであり、信号機や
道路標示・道路標識の標準画像をメモリ３２に収納し、
画像処理部３１が、撮像部１１で撮像した認識対象の画
像と上記標準画像のパターンマッチング処理により画像
認識を行うことで、制御部３０が交差点等の事故の発生
しやすい場所に接近したか否かを判定し、そうである場
合には、記録部１５に記録した画像を第１記録保存部１
６に転送して記録保存動作を行うものである。また記録
保存の条件を交差点に限定せず、例えば事故発生率の大
きい道路の速度制限標識あるいは道路標示を画像認識し
て記録保存することにより、事故発生時車両が制限速度
を守っていたかどうか検証することができる。なお、上
記速度制限情報等は、例えばインフラ情報受信手段を接
続し、その受信情報にもとづき記録保存動作するように
しても良い。(Second Embodiment) Next, a second embodiment of the present invention will be described. In the second embodiment, the timing of recording and storing in the first embodiment is performed by using the detection information of the traffic signal, the road sign, or the road marking on the road surface, regardless of the current position information of the vehicle. . FIG. 3 shows a block configuration of a vehicle drive recorder device according to the second embodiment. In the configuration of the first embodiment, the current position detection unit 12 is deleted and an image processing unit 31 and a memory for performing image recognition are shown. 32 is added, and standard images of traffic lights, road markings and road signs are stored in the memory 32,
The image processing unit 31 performs image recognition by pattern matching processing between the recognition target image captured by the image capturing unit 11 and the standard image, so that the control unit 30 approaches an accident-prone place such as an intersection. It is determined whether the image recorded in the recording unit 15 is the first recording storage unit 1
6, and the recording / storing operation is performed. It is also possible to verify whether or not the vehicle was observing the speed limit at the time of the accident by not only limiting the conditions for record storage to intersections but by recognizing and recording the speed limit signs or road markings of roads with a high accident occurrence rate. can do. The speed limit information and the like may be connected to an infrastructure information receiving means and the recording / storing operation may be performed based on the received information.
【００１４】このように、本実施の形態２によれば、道
路標識等を利用して事故が発生しやすい特定地点を想定
し、その特定地点における道路標識等の画像情報をもと
に記録情報を保存することにより、事故発生以前の周辺
情報を長時間記録保存可能であり、事故発生以前の周辺
状況を解析し、事故発生時原因の解明に役立てることが
できる。また、衝突度合いが大きく、記録保存動作しな
い状況においても、予め事故発生前の情報を記録保存し
ておくことにより、事故発生原因解明の手掛かりを得る
ことができる。また、実施の形態１のようなナビゲーシ
ョン装置がなくても実施できるので、装置を小型化する
ことができる。As described above, according to the second embodiment, it is assumed that a specific point where an accident is likely to occur by using road signs and the like, and the recorded information is based on the image information such as the road signs at the specific point. By storing the information, it is possible to record and save the peripheral information before the accident occurs for a long time, analyze the peripheral condition before the accident occurrence, and use it for clarifying the cause at the time of the accident occurrence. Further, even in a situation where the degree of collision is large and the record storage operation is not performed, it is possible to obtain a clue to clarify the cause of the accident by recording and storing the information before the accident occurs in advance. Moreover, since it can be implemented without the navigation device as in the first embodiment, the device can be downsized.
【００１５】（実施の形態３）次に本発明の実施の形態
３について説明する。図４は本実施の形態３における車
両用ドライブレコーダ装置の構成を示している。図４に
おいて、車両周辺環境を撮像する撮像部１１、車速・加
速度・ブレーキ圧・ハンドル舵角等車両の走行状態を検
知する各種の車両センサ１４、撮像部１１で撮像した画
像を記録する記録１５、および記録部１５に記録した画
像を蓄積する記録保持部１６は、上記実施の形態１と同
じものであり、本実施の形態３では、その他に、タイマ
ーを内蔵した制御部４０、車両のヨーレートを検出する
ヨーレートセンサ４１と、車両の前後左右方向に生じる
加速度を検出する加速度センサ４２とを備えている。(Third Embodiment) Next, a third embodiment of the present invention will be described. FIG. 4 shows the configuration of the vehicle drive recorder device according to the third embodiment. In FIG. 4, an image capturing unit 11 that captures the environment around the vehicle, various vehicle sensors 14 that detect the traveling state of the vehicle such as vehicle speed, acceleration, brake pressure, steering wheel steering angle, and a record 15 that records the image captured by the image capturing unit 11. , And the recording and holding unit 16 for accumulating the images recorded in the recording unit 15 are the same as those in the first embodiment, and in the third embodiment, in addition to this, the control unit 40 having a built-in timer and the yaw rate of the vehicle. The yaw rate sensor 41 for detecting the acceleration and the acceleration sensor 42 for detecting the acceleration generated in the front, rear, left, and right directions of the vehicle.
【００１６】次に本実施の形態３の動作について図５を
参照しながら説明する。まずステップＳ５０でエンジン
始動後の所定のタイミングで記録部１５が撮像部１１か
らの画像及び車両センサ１４からの車両状態の記録を開
始する。運転者は危険な場面に遭遇した時は、ハンドル
を急操作して事故回避しようとする。従ってまずステッ
プＳ５１でヨーレートセンサ４１のヨーレート信号が所
定値以上である状況を検出する。そして次に、ステップ
Ｓ５２でヨーレート信号の入力から所定時間経過後に、
車両前後左右方向の加速度を検出する加速度センサ４２
の加速度信号が所定値以上であるかを判定し、その加速
度信号の大きさにより接触事故発生の有無を判断する。
そして加速度センサ４２からの所定値以上の信号を入力
した場合は、ステップＳ５３で所定時間経過後、記録部
１５の記録を停止し、ステップＳ５４で記録時刻情報を
付与して記録保存部１６へ記録情報を転送する。そして
ステップＳ５５で上記加速度信号入力時の信号の大きさ
を衝撃検知センサ１３からの信号の大きさと比較し、所
定値以下であれば比較的軽度の事故であったと判断し、
記録部１５への記録を再開する。Next, the operation of the third embodiment will be described with reference to FIG. First, in step S50, the recording unit 15 starts recording the image from the imaging unit 11 and the vehicle state from the vehicle sensor 14 at a predetermined timing after the engine is started. When a driver encounters a dangerous scene, he tries to avoid the accident by operating the steering wheel suddenly. Therefore, first, in step S51, a situation in which the yaw rate signal of the yaw rate sensor 41 is equal to or higher than a predetermined value is detected. Then, in step S52, after a predetermined time has elapsed from the input of the yaw rate signal,
Acceleration sensor 42 for detecting acceleration in the front-rear and left-right directions of the vehicle
It is determined whether the acceleration signal is higher than a predetermined value, and whether or not a contact accident has occurred is determined based on the magnitude of the acceleration signal.
When a signal of a predetermined value or more is input from the acceleration sensor 42, the recording of the recording unit 15 is stopped after a predetermined time elapses in step S53, and the recording time information is added and recorded in the recording storage unit 16 in step S54. Transfer information. Then, in step S55, the magnitude of the signal at the time of inputting the acceleration signal is compared with the magnitude of the signal from the impact detection sensor 13, and if it is equal to or less than a predetermined value, it is determined that the accident is a relatively minor accident,
Recording on the recording unit 15 is restarted.
【００１７】このように、本実施の形態３によれば、ヨ
ーレートセンサ４１の出力信号とその後に発生する加速
度センサ４２の出力信号の検出により記録保存動作を行
うことにより、接触事故等比較的軽度の事故における車
両周辺環境の記録が可能となる。As described above, according to the third embodiment, by performing the recording / storing operation by detecting the output signal of the yaw rate sensor 41 and the output signal of the acceleration sensor 42 generated thereafter, the contact accident and the like are relatively mild. It will be possible to record the environment around the vehicle in case of the accident.
【００１８】（実施の形態４)次に本発明の実施の形態
４について説明する。本実施の形態４の構成は、上記実
施の形態１の構成と同様であるので、動作についてのみ
図６を用いて説明する。まず、車両スタート時に直ちに
記録を開始せず、ステップＳ６０にて現在位置検出部１
２の情報、例えば交差点接近情報を取得して記録を開始
する。そしてステップＳ６１にて上記記録開始後所定時
間内に衝撃検知センサ１３の信号を入力したかどうかを
判定する。衝撃検知センサ１３からの信号を入力した場
合は、事故発生と判定し、所定時間経過後ステップＳ６
２で記録部１５における記録を停止し、第１記録保存部
１６に記録情報を転送する。衝撃検知センサ１３からの
信号を入力しなければ事故が発生しなかったと判断し、
ステップＳ６３で記録部１５における記録を直ちに停止
してリセットし、次の交差点接近情報を受信するまで動
作を待機する。(Fourth Embodiment) Next, a fourth embodiment of the present invention will be described. The configuration of the fourth embodiment is similar to that of the first embodiment, and therefore only the operation will be described with reference to FIG. First, recording is not started immediately when the vehicle is started, but the current position detection unit 1 is started in step S60.
The second information, for example, intersection approach information is acquired and recording is started. Then, in step S61, it is determined whether or not a signal from the impact detection sensor 13 is input within a predetermined time after the start of recording. When the signal from the impact detection sensor 13 is input, it is determined that an accident has occurred, and after a predetermined time has elapsed, step S6.
At 2, the recording in the recording unit 15 is stopped, and the recording information is transferred to the first recording storage unit 16. If the signal from the impact detection sensor 13 is not input, it is determined that no accident has occurred,
In step S63, the recording in the recording unit 15 is immediately stopped and reset, and the operation waits until the next intersection approach information is received.
【００１９】このように、本実施の形態４によれば、車
両スタート時に直ちに記録を開始せずに、事故発生が起
こり得る状況において記録を開始することにより、記録
部可動時間が低減し、記録部１５の繰り返し使用に対し
て耐久性が向上する。As described above, according to the fourth embodiment, recording is not started immediately when the vehicle is started, but recording is started in a situation where an accident may occur, so that the recording section movable time is reduced and the recording is performed. Durability is improved with repeated use of the portion 15.
【００２０】[0020]
【発明の効果】以上のように本発明によれば、現在位置
検出手段からの現在位置情報または道路標識等の画像情
報を利用して事故が発生しやすい特定地点を想定し、そ
の特定地点に接近した時に記録情報を保存することによ
り、事故発生以前の周辺情報を長時間記録保存可能であ
り、事故発生以前の周辺状況を解析し、事故発生時原因
の解明に役立てることができる。また、衝突度合いが大
きく記録保存動作が行われない状況においても、予め事
故発生前の情報を記録保存しておくことにより、事故発
生原因解明の手掛かりを得ることができる。As described above, according to the present invention, a specific point where an accident is likely to occur is assumed using the current position information from the current position detection means or image information such as road signs, By saving the recorded information when approaching, it is possible to record and save the peripheral information before the accident occurs for a long time, analyze the peripheral condition before the accident occurrence, and use it for clarifying the cause when the accident occurs. Further, even in a situation in which the degree of collision is large and the record storage operation is not performed, it is possible to obtain a clue for clarifying the cause of the accident by recording and storing the information before the accident occurs in advance.
【００２１】また本発明によれば、ヨーレートセンサ及
び加速度センサの入力値をもとに記録情報を保存するこ
とにより、接触事故等比較的軽度の事故に対して車両周
辺環境を記録でき、事故の原因解析に役立てることがで
きる。Further, according to the present invention, by storing the record information based on the input values of the yaw rate sensor and the acceleration sensor, it is possible to record the environment around the vehicle for a relatively minor accident such as a contact accident. It can be useful for cause analysis.
【００２２】また本発明によれば、車両の現在位置検出
手段を用いて、車両が事故を誘発しやすい場所に到達し
た時に記録を開始し、衝撃検知センサの受信の有無によ
り記録情報の保存の有無を判定することにより、必要に
応じて記録部を可動することができ、記録部の耐久性を
向上させることができる。According to the present invention, the current position detecting means of the vehicle is used to start recording when the vehicle reaches a place where an accident is likely to occur, and the record information is saved depending on whether the impact detection sensor is received or not. By determining the presence / absence, the recording unit can be moved as needed, and the durability of the recording unit can be improved.
【図１】本発明の実施の形態１における車両用ドライブ
レコーダ装置のブロック構成図FIG. 1 is a block configuration diagram of a vehicle drive recorder device according to a first embodiment of the present invention.
【図２】本発明の実施の形態１における車両用ドライブ
レコーダ装置の動作説明図FIG. 2 is an operation explanatory diagram of the vehicle drive recorder device according to the first embodiment of the present invention.
【図３】本発明の実施の形態２における車両用ドライブ
レコーダ装置のブロック構成図FIG. 3 is a block configuration diagram of a vehicle drive recorder device according to a second embodiment of the present invention.
【図４】本発明の実施の形態３における車両用ドライブ
レコーダ装置のブロック構成図FIG. 4 is a block configuration diagram of a vehicle drive recorder device according to a third embodiment of the present invention.
【図５】本発明の実施の形態３における車両用ドライブ
レコーダ装置の動作説明図FIG. 5 is an operation explanatory diagram of the vehicle drive recorder device according to the third embodiment of the present invention.
【図６】本発明の実施の形態４における車両用ドライブ
レコーダ装置の動作説明図FIG. 6 is an operation explanatory diagram of a vehicle drive recorder device according to a fourth embodiment of the present invention.
１０、３０、４０ 制御部 １１ 撮像部 １２ 現在位置検出部 １３ 衝撃検知センサ １４ 車両センサ １５ 記録部 １６ 第１記録保存部 １７ 第２記録保存部 ３１ 画像処理部 ３２ メモリ ４１ ヨーレートセンサ ４２ 加速度センサ 10, 30, 40 Control unit 11 Imaging unit 12 Current position detector 13 Impact detection sensor 14 Vehicle sensor 15 Recording section 16 First Record Storage 17 Second Record Storage 31 Image processing unit 32 memory 41 Yaw rate sensor 42 Accelerometer
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｇ０８Ｇ 1/0969 Ｇ０８Ｇ 1/0969 Ｆターム(参考） 2F029 AA02 AB01 AB07 AC02 AC06 AC09 AC20 5C054 AA01 AA05 CA04 CC02 CH10 EA01 EA07 GB06 GD06 HA30 5H180 AA01 CC04 EE08 FF03 FF10 FF22 FF32 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) G08G 1/0969 G08G 1/0969 F term (reference) 2F029 AA02 AB01 AB07 AC02 AC06 AC09 AC20 5C054 AA01 AA05 CA04 CC02 CH10 EA01 EA07 GB06 GD06 HA30 5H180 AA01 CC04 EE08 FF03 FF10 FF22 FF32
Claims (5)
段と、車両走行状態を検出する走行状態検出手段と、前
記撮影された周囲画像を記録する記録手段と、前記記録
を所定のタイミングで停止して前記記録した情報を保存
する第１及び第２の記録保存手段とを有し、予め設定さ
れた特定地点において前記記録手段の記録を停止して前
記第１の記録保存手段に前記記録情報を転送した後、前
記記録手段への記録を再開し、所定の信号の入力により
前記記録手段の記録を再度停止して前記第２の記録保存
手段に前記記録再開後の記録情報を転送することを特徴
とする車両用ドライブレコーダ装置。1. An image pickup means for photographing a surrounding image when a vehicle is traveling, a traveling state detecting means for detecting a traveling state of the vehicle, a recording means for recording the photographed surrounding image, and the recording at a predetermined timing. A first and a second record storage means for stopping the storage of the recorded information, and stopping the recording of the recording means at a preset specific point to record the information in the first record storage means. After the information is transferred, the recording on the recording means is restarted, the recording of the recording means is stopped again by the input of a predetermined signal, and the recording information after the restart of the recording is transferred to the second recording storage means. A drive recorder device for a vehicle characterized by the above.
手段と、車両の衝突を検出する衝撃検知センサとを有
し、前記第１の記録保存手段への記録情報の転送を前記
現在位置検出手段で検出した交差点接近情報により行
い、前記第２の記録保存手段への記録情報の転送を前記
衝撃検知センサからの衝突検出信号により行うことを特
徴とする請求項１記載の車両用ドライブレコーダ装置。2. A current position detecting means for detecting the current position of the vehicle, and an impact detection sensor for detecting a collision of the vehicle, wherein the transfer of the record information to the first record storing means is performed by detecting the current position. 2. The vehicle drive recorder device according to claim 1, wherein the intersection approach information detected by the means is used, and the record information is transferred to the second record storage means by a collision detection signal from the impact detection sensor. .
標準画像を格納したメモリと、前記撮像手段により撮像
した信号機または道路標示または道路標識の画像と前記
メモリ内の標準画像とのパターンマッチング処理を行う
画像処理手段と、車両の衝突を検出する衝撃検知センサ
とを有し、前記第１の記録保存手段への記録情報の転送
を前記画像処理手段からの画像認識情報により行い、前
記第２の記録保存手段への記録情報の転送を前記衝撃検
知センサからの衝突検出信号により行うことを特徴とす
る請求項１記載の車両用ドライブレコーダ装置。3. A pattern matching process of a memory storing a standard image of a traffic signal or road marking or a road sign, and a standard image in the memory and an image of the traffic signal or road marking or road sign imaged by the imaging means. An image processing unit and an impact detection sensor for detecting a collision of the vehicle are provided, and the record information is transferred to the first record storing unit by the image recognition information from the image processing unit, and the second record is performed. 2. The drive recorder device for a vehicle according to claim 1, wherein the recording information is transferred to the storage means by a collision detection signal from the impact detection sensor.
段と、車両走行状態を検出する走行状態検出手段と、車
両のヨーレートを検出するヨーレートセンサと、車両の
前後左右方向に生じる加速度を検出する加速度センサ
と、前記撮影された周囲画像及び走行情報を記録する記
録手段と、前記記録を所定のタイミングで停止し記録情
報を保存する記録保存手段を有し、前記ヨーレートセン
サから所定値以上のヨーレート信号を入力した場合に前
記記録手段の記録を停止し、前記加速度センサから所定
値以上の信号を入力した場合に、前記記録情報を前記記
録保存部へ転送することを特徴とする車両用ドライブレ
コーダ装置。4. An image pickup means for picking up a surrounding image when the vehicle is running, a running state detecting means for detecting a running state of the vehicle, a yaw rate sensor for detecting a yaw rate of the vehicle, and an acceleration generated in the front, rear, left and right directions of the vehicle. An acceleration sensor, a recording means for recording the photographed surrounding image and traveling information, and a recording storage means for storing the recording information by stopping the recording at a predetermined timing. A vehicle drive characterized by stopping recording of the recording means when a yaw rate signal is input, and transferring the recording information to the recording storage section when a signal of a predetermined value or more is input from the acceleration sensor. Recorder device.
段と、車両走行状態を検出する走行状態検出手段と、車
両の走行位置を検出する現在位置検出手段と、前記撮影
された周囲画像及び走行情報を記録する記録手段と、前
記記録を所定のタイミングで停止し記録情報を保存する
記録保存手段を有し、前記現在位置検出手段からの現在
位置情報をもとに前記記録手段の記録を開始し、前記加
速度センサからの所定値以上の大きさの信号入力により
前記記録手段の記録を停止し、前記記録保存手段に記録
情報を転送することを特徴とする車両用ドライブレコー
ダ装置。5. An image pickup means for photographing a surrounding image when the vehicle is traveling, a traveling state detecting means for detecting a traveling state of the vehicle, a current position detecting means for detecting a traveling position of the vehicle, the photographed surrounding image and It has a recording means for recording the traveling information and a recording storage means for storing the recording information by stopping the recording at a predetermined timing, and recording the recording means on the basis of the current position information from the current position detecting means. A drive recorder apparatus for a vehicle, which starts, stops recording of the recording means by inputting a signal having a magnitude larger than a predetermined value from the acceleration sensor, and transfers recording information to the recording storage means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001259707A JP2003063459A (en) | 2001-08-29 | 2001-08-29 | Drive recorder device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001259707A JP2003063459A (en) | 2001-08-29 | 2001-08-29 | Drive recorder device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003063459A true JP2003063459A (en) | 2003-03-05 |
Family
ID=19087036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001259707A Pending JP2003063459A (en) | 2001-08-29 | 2001-08-29 | Drive recorder device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003063459A (en) |
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