JPH07249196A - Rear confirmation system - Google Patents

Abstract

PURPOSE:To enable parking while confirming the rear blind spot of a vehicle by providing a video camera part, a monitor part projecting an image photographed by means of the video camera part and a sensor part and driving the video camera part and the monitor part at the time of detecting an object by means of the sensor part so as to project the movement of the object in the monitor part. CONSTITUTION:A rear part recognizing device 1 is constituted of the video camera part 2 using a wide-angle video camera, the monitor part 3, a power source control part 4 and the sensor part 5 and they are respectively linked with cables with proper length. When a vehicle 8 is driven backward and parked in a garage 7, a picture of extremely wide range adding the whole read part side wall surface 7b and the rear part 8B part of the vehicle 8 is projected on the monitor part 3 arranged at the left side of a driver seat 8A. Therefore, backward driving is extremely easily executed while viewing the monitor part 3 with the use of a door mirror 8C and a back mirror 8D.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a system for confirming a blind spot on the rear side, for example, for confirming the safety of the rear side used for parking a garage. The present invention relates to a rear confirmation system that enables parking while checking a blind spot behind a vehicle when entering a parking lot, an underground parking lot, or the like.

[0002]

2. Description of the Related Art In the prior art, for example, when a car is put in a garage with a back, the safety is confirmed by using a rear-view mirror or a door mirror while checking the rear to move backward to the rear end of the car and the side wall surface of the garage. The predetermined interval between and is calculated by experience and the vehicle is stopped.

Also, depending on the garage, it is well known that a cushion material or the like is arranged so as not to be damaged even if it collides with the side wall surface, and that the door of the garage is automatically opened by radio when the vehicle approaches. .

Further, in order to facilitate the back operation by one driver of an automobile such as a large-sized bus, a camera is attached to the rear of the automobile and the image from the camera is displayed on a monitor provided at a predetermined position in the driver's seat. It is also well known to perform back operation.

[0005]

However, in the above-mentioned rear confirmation by putting in the garage, the range in which the distance between the rear wall of the garage and the automobile can be seen is limited, and it is impossible to confirm the visual field of the obstacle or the blind spot. Was enough.

[0006] Further, when putting the vehicle in the garage, the body had to be greatly moved so that the eyes were directed backward.

Further, in the case of an automobile having a camera mounted on the rear side, since it can be seen only in a narrow field of view of the rear face, it cannot function unless the rear part of the automobile and the obstacle are in a fairly close state. was there.

Therefore, there is a problem to be solved in a system in which the entire rear part can be sufficiently confirmed even in a relatively narrow area such as a garage for an automobile.

[0009]

In order to solve the above-mentioned problems, a rear confirmation system according to the present invention comprises a video camera section for photographing a predetermined range, a monitor section for photographing an image photographed by the video camera section, A sensor unit that detects an object at a predetermined position, and when the sensor unit detects the object, the video camera unit and the monitor unit are driven so that the movement of the object is displayed on the monitor unit. Is.

Also, the sensor section is installed at or near the entrance, the monitor section is installed at an intermediate position, and the video camera section is installed at the back side; the video camera section is equipped with a wide-angle video camera. The video camera unit, the monitor unit, and the sensor unit are connected to each other via a power source and a signal cable of appropriate length via a power source; the monitor unit is a liquid crystal or CRT display screen; The part is a sensor for heat detection, a sensor for temperature detection,
At least one sensor is selected from a sound detection sensor, an exhaust gas detection sensor, and an infrared detection sensor; the video camera section is a rear confirmation system using an infrared camera.

[0011]

The function of the rear confirmation system having the above-described structure has various functions as described below. (1) Since the video camera unit and the monitor unit are driven by the detection of the sensor unit, the power source is turned off when the movement of an object such as an automobile is not detected, and when the movement is detected, The power can be supplied automatically.

(2) Since the wide-angle video camera is used as the video camera section for picking up a predetermined range, it is possible to see the entire rear part of the vehicle when the system is installed, for example, when the vehicle is backed up. become able to.

(3) By connecting the video camera unit, the monitor unit, and the sensor unit with a cable having an appropriate length,
Arrangement according to a place having various sizes, for example, a garage is possible.

(4) Since the monitor section is a liquid crystal or CRT display screen, selection can be made according to the size of the place where the monitor section is arranged.

(5) The sensor section is a heat detecting sensor, a temperature detecting sensor, a sound detecting sensor, an exhaust gas detecting sensor, and an infrared detecting sensor, and therefore, it can be adapted to the type of an object such as an automobile. The sensor can be attached.

(6) Since the video camera section uses the infrared camera, it can be effectively operated even in a place where the lighting is small.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a rearward confirmation system according to the present invention will be described below in detail with reference to the drawings.

The backward confirmation system, as shown in FIG.
The rear confirmation device is installed in an appropriate place. The rear confirmation device 1 includes a video camera unit 2 using a wide-angle video camera, a monitor unit, a power supply control unit, and a sensor unit, each of which is connected by a cable having an appropriate length. .

The video camera unit 2 uses a miniaturized wide-angle video camera, for example, a wide-angle video camera using a lens having a wide angle of about 67 degrees. Further, the video camera unit 2 can use an infrared camera to take a picture at any time of the day and night, and even if only the backlight is used when entering the garage.

The monitor section 3 is formed of a display screen made of liquid crystal. The screen may be a CRT.

The power supply control unit 4 supplies a power supply voltage capable of operating the wide-angle video camera unit, the monitor unit, and the sensor unit.

The sensor section 5 is a sensor for detecting an object such as an automobile, and includes a heat detecting sensor, a temperature detecting sensor,
A sound detection sensor, an exhaust gas detection sensor, an infrared detection sensor, etc. can be used. That is, the settings can be changed as appropriate depending on the type of automobile or the like.

The cable 6 includes a first cable 6A and a second cable 6A.
Of the cable 6B and the third cable 6C, each of which is composed of a power cable and a signal cable, and the surroundings thereof are covered with resin or the like to be integrally formed.

The length of each of the cables 6A, 6B, 6C can be changed appropriately.

That is, the sensor unit 5 and the power supply control unit 4 are
They are connected by a first cable 6A, and the first cable 6A is composed of a power cable for supplying power and a signal cable for transmitting a signal detected by the sensor unit 5.

The power supply control section 4 and the monitor section 3 are connected by a second cable 6B.
B is composed of a power cable and a control cable for notifying the state detected by the sensor unit 5.

The monitor section 3 and the video camera section 2 are connected by a third cable 6C, and the third cable 6C is composed of a power cable and a video signal cable for sending an image to the monitor section 3. ing.

The video camera section 2 thus constructed,
The rear confirmation device 1 including the monitor unit 3, the power supply control unit 4, and the sensor unit 5 has first to third cables 6A and 6A, respectively.
It is in a state of being connected by B and 6C, and a rear confirmation system adapted to various conditions of the place to be installed (for example, a garage, a covered parking lot, an underground parking lot, etc.) can be constructed very easily.

For example, in the rear confirmation system in which the rear confirmation device 1 is arranged in the garage 7, as shown in FIG. 2, the vehicle 8 with the right steering wheel is inserted in the back, and a predetermined position near the entrance of the garage 7 or in the vicinity thereof. The sensor unit 5 is installed at the position, and the power supply control unit 4 is arranged at an appropriate position in the middle of the back. Then, the monitor unit 3 made of liquid crystal or CRT is arranged on the side wall 7A near the same position as the driver's seat 8A when the vehicle 7 is backed up and parked at an intermediate position. The video camera unit 2 is installed at the innermost side of the garage 7 so that the wall surface 7B of the garage 7 and the rear portion 8B of the automobile 8 are projected.

By installing in this way, the automobile 8
When the vehicle is put in the garage 7 in the back, the image displayed by the video camera unit 2 is displayed on the monitor portion 3 provided on the left side of the driver's seat 8A, that is, the entire rear side wall 7B of the garage 7 and the rear portion of the automobile 8. An image of an extremely wide range including the 8B portion is projected. Therefore, the door mirror 8
C and rearview mirror 8D are used together, and the rear part 8 of the automobile 8
B and the rear side wall 7B of the garage 7 are projected at the same time, and it is extremely easy to move the gap and its surroundings back while looking at the monitor unit 3. Moreover, when necessary, the monitor can be observed in the posture in which the back direction is turned as it is.

The power supply control unit 4 controls the operations of the video camera unit 2 and the monitor unit 3 when detected by the sensor unit 5. Normally, only the sensor unit 5 can be detected, and the other units are powered on. Keep it off.

After the sensor unit 5 detects an object such as an automobile, power is automatically supplied to drive the video camera unit 2 and the monitor unit 3, and a fixed time elapses after the garage 7 of the automobile 8 is completed. Needless to say, it is possible to control so that only the sensor unit 5 can be detected again and the power is turned off. In this case, the car 8 is the garage 7.
It is possible to freely select whether the condition is such that the sensor unit 5 cannot detect the automobile 8 when the insertion is completed or the condition that the automobile is not moving is detected.

In the embodiment, it is explained that one car is parked in the garage 7 in the back. However, the number of cars is not limited to one, and in the case of a parking lot where parking positions are aligned. Alternatively, the arrangement of the video camera unit 2 equipped with one wide-angle video camera may allow rearward confirmation of a plurality of parked cars. in this case,
With respect to one video camera unit 2, a plurality of monitor units 3 are arranged at each parking position.

[0034]

As described above, the backward confirmation system according to the present invention has the following effects. (1) By driving the video camera section and the monitor section based on the detection of the sensor section, it becomes possible to supply power based on the movement of the object, and it is possible to reduce the power consumption. Has an extremely excellent effect.

(2) By using a wide-angle video camera as the video camera unit for picking up a predetermined range, when the car is backed in the place where this system is arranged, for example, in the garage, the rear part of the car and the wall surface You can see the rear wall surface of the garage and the entire rear part of the car at the same time, as well as the distance between, so that you can view the LCD or CRT image on the monitor sideways a little without moving your body so that your eyes are facing backward. It has an extremely excellent effect that you only have to look at it to see it.

(3) By connecting the video camera unit, the monitor unit, and the sensor unit with a cable having an appropriate length,
It has excellent versatility, can be mass-produced by using a cable preset to a predetermined length, and has an extremely excellent effect that the cost can be reduced.

(4) Since the monitor section is a liquid crystal or CRT display screen, it is possible to freely select a model corresponding to the place where the monitor section is arranged, which is an extremely excellent effect.

(5) Since the sensor section is a heat detecting sensor, a temperature detecting sensor, a sound detecting sensor, an exhaust gas detecting sensor, and an infrared detecting sensor, for example, the relationship between the garage and the automobile is taken into consideration. It has an extremely excellent effect that a highly accurate detection state can be realized by selecting an appropriate sensor.

(6) The use of the infrared camera has an extremely excellent effect that it is possible to take a sufficient image even at night, for example, only by lighting the backlight of the automobile.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing an overall configuration of a backward confirmation device used in the present invention.

FIG. 2 is an explanatory diagram in which the rearward confirmation system according to the present invention is realized in a garage.

[Explanation of symbols]

 1 Rear Confirmation Device 2 Video Camera Section 3 Monitor Section 4 Power Control Section 5 Sensor Section 6 Cable 6A First Cable 6B Second Cable 6C Third Cable 7 Garage 7A Side 7B Rear Wall 8 Car 8A Driver's Seat 8B Car Rear 8C door mirror 8D room mirror

Claims (7)

[Claims] 1. A video camera unit for photographing a predetermined range,
A monitor section for displaying images taken by the video camera section,
A sensor unit that detects an object at a predetermined position, and when the sensor unit detects the object, the video camera unit and the monitor unit are driven so that the movement of the object is displayed on the monitor unit. A backward confirmation system characterized by. 2. The sensor unit is installed at or near an entrance, the monitor unit is installed at an intermediate position, and the video camera unit is installed at the back side.
The rearward confirmation system described in. 3. The rear confirmation system according to claim 1, wherein the video camera unit is equipped with a wide-angle video camera. 4. The rear confirmation according to claim 1, 2 or 3, wherein the video camera unit, the monitor unit and the sensor unit are connected to each other through a power source and a signal cable of appropriate lengths. system. 5. The monitor unit is a liquid crystal display screen or a CRT display screen.
The rearward confirmation system described in. 6. The sensor unit is characterized in that at least one sensor is selected from a heat detecting sensor, a temperature detecting sensor, a sound detecting sensor, an exhaust gas detecting sensor, and an infrared detecting sensor. The rear confirmation system according to claim 1, 2, 3, 4 or 5. 7. The rear confirmation system according to claim 1, wherein the video camera unit uses an infrared camera.