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JP2696516B2 - Vehicle safety monitoring device - Google Patents

Vehicle safety monitoring device

Info

Publication number
JP2696516B2
JP2696516B2 JP62281098A JP28109887A JP2696516B2 JP 2696516 B2 JP2696516 B2 JP 2696516B2 JP 62281098 A JP62281098 A JP 62281098A JP 28109887 A JP28109887 A JP 28109887A JP 2696516 B2 JP2696516 B2 JP 2696516B2
Authority
JP
Japan
Prior art keywords
vehicle
driver
image
cameras
seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP62281098A
Other languages
Japanese (ja)
Other versions
JPH01123587A (en
Inventor
康裕 小林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Priority to JP62281098A priority Critical patent/JP2696516B2/en
Publication of JPH01123587A publication Critical patent/JPH01123587A/en
Application granted granted Critical
Publication of JP2696516B2 publication Critical patent/JP2696516B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
    • B60R1/28—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with an adjustable field of view
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
    • B60R2300/105—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using multiple cameras
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/30—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing
    • B60R2300/303—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing using joined images, e.g. multiple camera images
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
    • B60R2300/802—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for monitoring and displaying vehicle exterior blind spot views
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
    • B60R2300/8066—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for monitoring rearward traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Closed-Circuit Television Systems (AREA)

Description

【発明の詳細な説明】 〈産業上の利用分野〉 本発明は車輌の安全監視装置に関し、トラック，バス
等の大形車及びドアミラー車に適用して有用なものであ
る。 〈従来の技術〉 車輌の運転に際してはその左右両側における後方の様
子を運転者が視覚により確認する必要があり、このため
現在の車輌には車輌の左右両側面の前部にバックミラー
が配設されている。 〈発明が解決しようとする問題点〉 ところで、特にトラック，バス等の大形車及びドアミ
ラー車においては、左右のバックミラーにより後方を確
認しようとすれば運転者が左右に大きく首を振ってバッ
クミラーを見なければならず、左右の後方の様子を一度
に視認することができないという不便があった。 本発明は、上記従来技術の問題点に鑑み、車輌の左右
両側における後方の様子を一度に視認し得るばかりでな
く、車速に応じこれが比較的低速の場合には運転席から
死角になる車両前部下方の様子も併せて視認し得る車輌
の安全監視装置を提供することを目的とする。 〈問題点を解決するための手段〉 上記目的を達成する本発明の構成は、車輌の左右両側
における後方の映像を夫々撮影する左右カメラと、運転
席から死角になる車輌の前部下方の映像を撮影する下方
カメラと、上記各カメラから夫々送出される映像信号を
合成して運転席近傍に配設されているモニタ画面上に再
生する画像処理手段と、車輌が停止・微速状態にある
か、あるいは同停止・微速状態ではない前方走行状態に
あるかを判定する判定手段とを備え、上記画像処理手段
は上記判定手段により車輌が上記停止・微速状態にある
と判定されたときに、上記モニタ画面を３分割して上記
左右カメラと下方カメラとからの各画像信号を合成して
再生し、車輌が上記前方走行状態にあると判定されたと
きに、上記モニタ画面を２分割して各左右カメラからの
各画像信号のみを合成して再生することを特徴とする。 〈作用〉 上記構成の本発明によれば、運転席の近傍に配設され
たモニタ画面上に車輌の左右両側における後方の映像が
合成されて写し出されるので、運転者はこのモニタ画面
を見ることにより左右両側の後方の様子を一度に視認す
ることができる。また、運転席から死角になる車輌前部
下方の様子を監視する必要がある車輌の停止・微速状態
では、当該車輌前部下方の様子も併せてモニタ画面に再
生される。 〈実施例〉 以下本発明の実施例を図面に基づき詳細に説明する。 第１図は本発明の実施例を示すブロック線図、第２図
はバスに本実施例を適用した場合における撮像手段であ
るテレビカメラの配設位置を示す説明図である。 第２図に示すように、撮像手段であるテレビカメラ1,
2はバスＩの左右両側における後方の様子を運転席５の
運転者が視認し得るようバスＩの左右両側の前部のバッ
クミラー6,7の近傍に配設してある。テレビカメラ３は
運転席５から死角になるバスＩの前部下方を視認し得る
ようアンダーミラー８の近傍に配設してある。テレビカ
メラ４はバスＩの後部下方を視認し得るようバスＩの後
部の屋根に配設してある。 かかる配置のテレビカメラ１〜４の映像信号を処理す
る本実施例は、第１図に示すように、画像処理回路9,変
速レバー位置検出装置10,単独モード選択スイッチ11及
びモニタ12を有している。このうち画像処理装置９はカ
メラ１〜４の映像信号を取り込み、所定の処理をした
後、複数の映像信号を合成して、若しくは１つの映像信
号を選択してモニタ12の画面上に再生するようになって
いる。このとき映像信号は変速レバー位置検出装置10が
検出する変速レバーの位置により予め決められたモード
が選択されることにより選択・合成される。即ち、変速
レバーがニュートラル〜２速の位置にあるとき、これを
“停車・微速モード”としてモニタ12の画面を３分割
し、カメラ1,2,3の映像信号を合成して再生する。ま
た、変速レバーが３速の位置にあるとき、これを“前方
走行モード”としてモニタ12の画面を２分割し、カメラ
1,2の映像信号を合成して再生する。変速レバーがバッ
クの位置にあるとき、これを“後退モード”としてモニ
タ12の画面を３分割し、カメラ1,2,4の映像信号を合成
して再生する。 第３図（ａ）〜第３図（ｃ）は各モードにおけるモニ
タ12の画面の状態を示す説明図である。第３図（ａ）は
“停止・微速モード”の画像で左部がカメラ１、右部が
カメラ２、上部がカメラ３の映像信号を夫々再生した画
像となっている。第３図（ｂ）は“前方走行モード”の
画像で左部がカメラ１、右部がカメラ２の映像信号を夫
々再生した画像となっている。第３図（ｃ）は“後退モ
ード”の画像で左部がカメラ１、右部がカメラ２、上部
がカメラ４の映像信号を夫々再生した画像となってい
る。 単独モード選択スイッチ11はその選択的な駆動により
モニタ12の画面に再生したい映像信号の１つを選択する
ようになっている。したがって、この単独モード選択ス
イッチ11は運転席５の近傍に配設して運転者が容易に操
作し得るようになっている。 かかる本実施例によればバスＩの左右両側面における
後方の様子はもとより必要に応じ前部下方若しくは後部
下方の様子もモニタ12の画面上に合成した１つの映像と
して運転者が視認し得る。 なお、上記実施例では各モードの切替えを変速レバー
の位置を基準にして行なったが、これに限るものではな
い。例えば走行速度を基準にし速度０〜20km/hを停止・
微速モード、20km/h以上を前方走行モードとしても良
い。ただ、この場合でも後退モードは変速レバーの位置
が優先するようにしなければならない。また、本発明は
基本的にはカメラ1,2を配設すれば成立するが、必要に
応じ撮像手段の数を増やすことはできる。 〈発明の効果〉 以上実施例とともに具体的に説明したように、本発明
によれば、運転席の運転者が１つのモニタ画面を見るこ
とにより車輌の左右両側における後方の様子若しくはこ
の後方の様子と車輌前部下方の様子とを同時に視認する
ことができる。しかも、このとき車輌の速度に応じてモ
ニタ面に再生される映像が自動的に切替わり、運転席か
ら死角になる車輌前部下方の様子を視認する必要がある
車輌の停止・微速時には、後方の左右両側とともに車輌
前部下方の様子を視認することができ、然程その必要が
ない定常走行時には専ら後方の左右両側の様子を視認し
得るようにすることにより、必要に応じ効果的な安全確
認を行なうことができる。 すなわち、本発明によればモニタ顔面が２種類の分割
モードを有し、しかもそれぞれの分割モードのうち３分
割モード時を車両の停止・微速時に対応させるととも
に、２分割モード時を定常走行時に対応させたので各場
合毎に必要な映像を合理的に視認することができる。DETAILED DESCRIPTION OF THE INVENTION <Industrial application field> The present invention relates to a vehicle safety monitoring device, and is useful when applied to large vehicles such as trucks and buses and door mirror vehicles. <Conventional technology> When driving a vehicle, it is necessary for the driver to visually check the state behind the vehicle on both the left and right sides. For this reason, rearview mirrors are installed on the current vehicle in front of the left and right sides of the vehicle. Have been. <Problems to be Solved by the Invention> By the way, especially in the case of large vehicles such as trucks and buses and door mirror vehicles, if the driver tries to check the rear by the left and right rearview mirrors, the driver shakes his or her head greatly to the left and right. There was an inconvenience that one had to look at the mirror and could not see the left and right rear view at once. In view of the above-mentioned problems of the prior art, the present invention not only makes it possible to visually recognize the rear of the vehicle on both the left and right sides at a time, but also makes the vehicle blind from the driver's seat when the speed is relatively low depending on the vehicle speed. It is an object of the present invention to provide a vehicle safety monitoring device that allows the user to visually recognize the state of the lower part. <Means for Solving the Problems> The configuration of the present invention that achieves the above-described object includes left and right cameras that respectively capture rear images on both left and right sides of the vehicle, and an image below the front part of the vehicle that is blind spot from the driver's seat. Camera, image processing means for synthesizing video signals sent from each of the above cameras and reproducing them on a monitor screen arranged near the driver's seat, and whether the vehicle is in a stopped / slow speed state. Or a determining means for determining whether the vehicle is in a forward running state that is not the stopped / slow-speed state, and the image processing means determines whether the vehicle is in the stopped / slow-speed state by the determining means. The monitor screen is divided into three parts, and the respective image signals from the left and right cameras and the lower camera are combined and reproduced. When it is determined that the vehicle is in the forward running state, the monitor screen is divided into two parts. Left and right It is characterized in that only each image signal from the camera is synthesized and reproduced. <Operation> According to the present invention having the above configuration, the rear images on the left and right sides of the vehicle are combined and displayed on the monitor screen arranged near the driver's seat, so that the driver can see this monitor screen. This makes it possible to visually recognize the left and right sides at the same time. In addition, when the vehicle is in a stopped / slow speed state in which it is necessary to monitor the lower part of the front of the vehicle where the blind spot comes from the driver's seat, the state of the lower part of the front of the vehicle is also reproduced on the monitor screen. <Example> Hereinafter, an example of the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing an arrangement position of a television camera as an image pickup means when the present embodiment is applied to a bus. As shown in FIG.
Numeral 2 is disposed near the rear-view mirrors 6 and 7 at the front left and right sides of the bus I so that the driver at the driver's seat 5 can visually recognize the rear side on the left and right sides of the bus I. The television camera 3 is disposed near the under mirror 8 so that the driver 5 can see the lower part of the front of the bus I, which becomes a blind spot. The television camera 4 is arranged on the roof at the rear of the bus I so that the lower part of the rear of the bus I can be seen. As shown in FIG. 1, the present embodiment for processing video signals from the television cameras 1 to 4 having such an arrangement includes an image processing circuit 9, a shift lever position detecting device 10, a single mode selection switch 11, and a monitor 12. ing. The image processing device 9 captures the video signals of the cameras 1 to 4 and performs predetermined processing, and then combines a plurality of video signals or selects one video signal and reproduces the video signal on the screen of the monitor 12. It has become. At this time, the video signal is selected and synthesized by selecting a mode predetermined according to the position of the shift lever detected by the shift lever position detecting device 10. That is, when the shift lever is in the neutral to second speed position, this is set to the "stop / slow speed mode", the screen of the monitor 12 is divided into three, and the video signals of the cameras 1, 2, and 3 are synthesized and reproduced. When the shift lever is in the third speed position, the screen is divided into two screens by setting this to the "forward running mode".
Synthesize and reproduce the video signals of 1 and 2. When the shift lever is in the reverse position, this is set to the "reverse mode", the screen of the monitor 12 is divided into three, and the video signals of the cameras 1, 2, and 4 are synthesized and reproduced. 3 (a) to 3 (c) are explanatory diagrams showing the state of the screen of the monitor 12 in each mode. FIG. 3 (a) shows an image in the "stop / slow speed mode", in which the left part is the image of the camera 1, the right part is the camera 2, and the upper part is the image reproduced from the video signal of the camera 3, respectively. FIG. 3 (b) is an image of the "forward running mode", in which the left part is an image obtained by reproducing the video signal of the camera 1 and the right part is an image obtained by reproducing the video signal of the camera 2. FIG. 3 (c) shows an image in the "retreat mode", in which the left portion is the image of the camera 1, the right portion is the camera 2, and the upper portion is the image reproduced from the video signal of the camera 4, respectively. The single mode selection switch 11 selects one of the video signals to be reproduced on the screen of the monitor 12 by its selective driving. Therefore, the single mode selection switch 11 is arranged near the driver's seat 5 so that the driver can easily operate it. According to this embodiment, the driver can visually recognize not only the rear side of the left and right sides of the bus I but also the front lower side or the rear lower side as necessary as one image synthesized on the screen of the monitor 12. In the above embodiment, each mode is switched based on the position of the shift lever. However, the present invention is not limited to this. For example, stop speed 0-20km / h based on running speed
The low-speed mode and 20 km / h or more may be set as the forward running mode. However, even in this case, the position of the shift lever must be prioritized in the reverse mode. Further, the present invention basically holds when cameras 1 and 2 are provided, but the number of imaging means can be increased as necessary. <Effects of the Invention> As described above in detail with the embodiments, according to the present invention, the driver in the driver's seat looks at one monitor screen to display the rear side or the rear side on the left and right sides of the vehicle. And the state below the front of the vehicle can be visually recognized at the same time. In addition, at this time, the image reproduced on the monitor surface is automatically switched in accordance with the speed of the vehicle, and it is necessary to visually recognize a state from the driver's seat to a blind spot below the front of the vehicle. You can visually observe the lower part of the front of the vehicle as well as the left and right sides of the vehicle, and at the time of steady driving where it is not necessary, you can see only the left and right sides of the rear, so that effective safety if necessary Confirmation can be made. That is, according to the present invention, the monitor face has two types of division modes, and among the respective division modes, the three division modes correspond to the stop / slow speed of the vehicle and the two division modes correspond to the steady running. Because of this, it is possible to rationally view necessary images in each case.

【図面の簡単な説明】 第１図は本発明の実施例を示すブロック線図、第２図は
バスに前記実施例を適用した場合における撮像手段の配
設位置を示す説明図、第３図（ａ）〜第３図（ｃ）は各
モードにおけるモニタの画面上の画像を示す説明図であ
る。 図面中、 Ｉはバス、1,2,3,4はテレビカメラ、５は運転席、９は
画像処理回路、12はモニタである。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is an explanatory diagram showing an arrangement position of image pickup means when the embodiment is applied to a bus, FIG. 3A to 3C are explanatory diagrams showing images on the monitor screen in each mode. In the drawing, I is a bus, 1, 2, 3, and 4 are television cameras, 5 is a driver's seat, 9 is an image processing circuit, and 12 is a monitor.

Claims (1)

(57)【特許請求の範囲】 １．車輌の左右両側における後方の映像を夫々撮影する
左右カメラと、 運転席から死角になる車輌の前部下方の映像を撮影する
下方カメラと、 上記各カメラから夫々送出される映像信号を合成して運
転席近傍に配設されているモニタ画面上に再生する画像
処理手段と、 車輌が停止・微速状態にあるか、あるいは同停止・微速
状態ではない前方走行状態にあるかを判定する判定手段
とを備え、 上記画像処理手段は上記判定手段により車輌が上記停止
・微速状態にあると判定されたときに、上記モニタ画面
を３分割して上記左右カメラと下方カメラとからの各画
像信号を合成して再生し、車輌が上記前方走行状態にあ
ると判定されたときに、上記モニタ画面を２分割して各
左右カメラからの各画像信号のみを合成して再生するよ
うに構成したことを特徴とする車輌の安全監視装置。(57) [Claims] The left and right cameras that respectively capture images behind the vehicle on the left and right sides of the vehicle, the lower camera that captures images below the front of the vehicle that is blind from the driver's seat, and the video signals transmitted from each of the above cameras are combined. Image processing means for reproducing on a monitor screen arranged near the driver's seat; and determination means for determining whether the vehicle is in a stopped / slow speed state or in a forward running state other than the stopped / slow speed state. And the image processing means divides the monitor screen into three when the vehicle is determined to be in the stopped / slow-speed state by the determination means, and combines the respective image signals from the left and right cameras and the lower camera. And when the vehicle is determined to be in the forward running state, the monitor screen is divided into two and only the image signals from the left and right cameras are combined and reproduced. A featured vehicle safety monitoring device.
JP62281098A 1987-11-09 1987-11-09 Vehicle safety monitoring device Expired - Fee Related JP2696516B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62281098A JP2696516B2 (en) 1987-11-09 1987-11-09 Vehicle safety monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62281098A JP2696516B2 (en) 1987-11-09 1987-11-09 Vehicle safety monitoring device

Publications (2)

Publication Number Publication Date
JPH01123587A JPH01123587A (en) 1989-05-16
JP2696516B2 true JP2696516B2 (en) 1998-01-14

Family

ID=17634311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62281098A Expired - Fee Related JP2696516B2 (en) 1987-11-09 1987-11-09 Vehicle safety monitoring device

Country Status (1)

Country Link
JP (1) JP2696516B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000064175A1 (en) 1999-04-16 2000-10-26 Matsushita Electric Industrial Co., Ltd. Image processing device and monitoring system

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07367Y2 (en) * 1988-12-08 1995-01-11 三菱自動車工業株式会社 Vehicle visibility device
JPH03164341A (en) * 1989-11-20 1991-07-16 Nissan Motor Co Ltd Monitor device for vehicle
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