JPS6334261A - Vehicle surrounding confirmation display device - Google Patents

Abstract

PURPOSE:To simplify complicated switching, so far effected through control of a switch, to be bade only through control of a control lever, by a method wherein, by means of outputs from a timer means and a switch means, a display means is brought into an operative state, and during backward movement of a vehicle, confirmation display of vehicle surroundings is effected. CONSTITUTION:A photograph means 1 is a device which photographs vehicle surroundings by means of a television camera, a switching means 3 performs an output to a display means 2 by means of a switching circuit adapted to select a signal. A shift lever 41 of a backward movement position detecting means 4 is mounted directly to a case cover situated to the upper surface of a transmission, and when the upper end of a shift lever 41 is controlled to the backward movement side, the end part on the backward movement side of a shift fork shaft 42 motions a microswitch 48. When the set time of a timer means 5 lapses under the actuating state of the switch 48, an output is increased to H, the switching means 3 performs switching, and the picture signal for vehicle surroundings is guided through the means 3 to display a picture signal by means of a display means 2.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a vehicle surroundings confirmation display device that images the rear and/or sides of the vehicle when the gear shift lever is in the reverse position and displays the images. It is related to.

[Prior Art] Display devices such as televisions mounted on conventional vehicles display information using display means such as a CRT disposed on an instrument panel or the like. Also, in the display means for confirming reversing,
Similar to the former, the display means was used in common with the display means of a television, navigation system, etc. arranged on an instrument panel or the like.

[Problems to be Solved by the Invention] However, the vehicle surroundings confirmation display device is rarely used, and therefore it would be wasteful to provide a dedicated display means on an instrument panel or the like. Normally, the display for confirming the surroundings of the vehicle was used by switching between other information display means by operating a switch. However, when the vehicle surroundings confirmation display is required, special care must be taken in driving operations, and operating the switch is troublesome in such a state.

Therefore, the present invention has been made to solve the above-mentioned problems, and provides a vehicle that can always display the vicinity of the vehicle when reversing the vehicle, and can also display the vicinity of the vehicle as necessary. The purpose is to provide a peripheral confirmation display device.

[Means for Solving the Problems] A vehicle surroundings confirmation display device according to the present invention includes an imaging means for taking an image of the vicinity of the vehicle from the vehicle side, a display means for displaying an image taken by the imaging means, and a gear shift lever. a backward position detection means for detecting that the gear shift lever is in the reverse position; a timer means for measuring the time during which the gear shift lever is stopped in the reverse position; and a switch that operates the display means regardless of the position of the gear shift lever. It is equipped with means.

[Function] In the present invention, when the shift lever is in the reverse position and the timer means determines that the shift lever has remained in the reverse position for a predetermined period of time or more, the imaging means is used to capture the rear view from the vehicle side. Alternatively, images captured from the sides or the rear and sides are displayed on the screen of the display means. Furthermore, by operating the switch means, regardless of the position of the gear shift lever, an image captured by the imaging means from the vehicle side to the rear or to the side, or to the rear and sides is displayed on the screen of the display means.

[Embodiment] FIG. 1 is a block diagram showing the overall configuration of a vehicle surroundings confirmation display device according to an embodiment of the present invention.

The imaging means 1 is a television camera having a known image pickup tube or a solid-state image conversion element, an image processing circuit, a synchronization circuit, etc.
Outputs an NTSC signal imaging signal. The imaging means 1 is for taking an image of the vicinity of the vehicle from the vehicle side, and is configured to take an image of the rear, the side, or the rear and the sides.

The display means 2 is an image output device that processes and scans a display means such as a CRT, LCD, or ELD using a video amplification circuit, a synchronization circuit, a video processing circuit, etc., and outputs video on a screen. The switching means 3 is a switching circuit that selects a signal using an electronic circuit such as an analog gate, and selectively selects the image signal of the imaging means 1 and the display information of a television, navigation system, etc., and displays it on the display means 2. This is a circuit that outputs. The signal for selectively switching the selection is
The output of the OR gate OR is “T1 (high level)” or “
L (low level)''.

For example, in a directly operated transmission, the reverse position detection means 4 is configured as shown in FIG. 2, which is an explanatory diagram of the reverse position detection means in the directly operated transmission used in this embodiment.

The shift lever 41 is directly attached to the case cover on the upper surface of the transmission, and is operated as shown by the broken line using the upper part of the case cover as a fulcrum. The lower end of the shift lever 41 is connected to a sliding groove 42a of the shift 1 to balk shaft 42 and shift fork shaft 43 that move in parallel.
and 43a. shift hawk shaft 42
A shift fork 44 is secured to the shift fork shifter 43 by a pin 45, and a shift fork (not shown) is similarly secured to the shift fork shifter 43. Shift Hawk 44 has
It fits into a groove in a synchro sleeve or opening gear (not shown). The shift fork shaft 42 and shift fork shift/I3 are moved and positioned by a locking ball 47 and a locking spring 46.

When the upper end of the shift lever 41 is operated as shown by the broken line, the shift hawk shaft 42 switches between first speed and reverse as shown by the dashed line. A microswitch 48 is disposed at the rearward moving end of the shift fork shaft 42, and the microswitch 718 is configured to operate when the shift/balk shaft 42 is moved to the reverse side. There is.

Therefore, when the upper end of the shift lever 41 is operated in the backward direction as shown by the broken line, the backward moving end of the shift fork shaft 42 operates the micro switch 718.

Also, in the case of automatic transmission,
It can also be configured as shown in FIG. 3, which is an explanatory diagram of the first gear shift position detection means of the automatic transmission used in this embodiment.

The microswitch 52 is arranged so that the microswitch 52 operates at the reverse position of the movement range of the shift lever (select lever) 51. In this case, the microphone switch 52 can be operated by moving the shift lever 5 to the reverse position.

Here, a microswitch is used to detect the retreat position, or proximity switches such as optical lever position detection, magnetic or capacitive lever position detection, etc. can be used.

The timer means 5 is connected to the shift lever 41 or the shift lever (
Select lever) 51 is il! ”> This is a timer circuit that determines that the FA position is stopped for a predetermined period of l!1.Especially, in the case of an automatic transmission, the lever position is PRND2]-1PRND
21, PRNDI-, etc., and while moving from par 4 P to 21-1 to RAL Nmako (21 drive D position, it must pass through reverse R (j'/position) Now, shift lever 11 or shift lever (
The timer means 5 determines whether the ZEREC [~lever] 51 is set to the retreat position or simply passing through.

As the timer means 5, circuits such as count circuits, monostable circuits, delay circuits, mechanical time setting mechanisms, etc. can be used.

The switch means SW is a switch that connects the output of the imaging means 1 to the display means 2, and connects the image signal of the image pickup means 1 to a switching circuit such as a multiplexer constituting the switching means 3 at the output of the OR gate OR. This is to switch to the display means 2 side.

The vehicle surroundings confirmation display device configured in this manner is as follows:
: It can work like a sea urchin.

During normal running and stopping conditions, the output of the OR gate OR is “
1-'', the display information of a television, navigation system, etc. is guided to the display means 2 via the switching means 3,
It is displayed on the display means 2.

At this time, when the switch means SW is turned on, the switching means 3 consisting of a switching circuit such as a multiplex switch, etc.
The imaging means 1 is connected to the display means 2 side.

That is, the image signal obtained by the imaging means 1 which visualizes the rear or side of the vehicle or the rear and sides from the vehicle side is guided to the display means 2 via the switching means 3, and the display means 2 displays the image signal.

Therefore, in one state of "travelling and stopping", the vehicle is 1t (
=1 When information about the rear or side or the rear and sides is required, the necessary image can be obtained from the display means 2 by turning on the switch means SW.

Therefore, when moving a parked vehicle or while driving, it is possible to obtain information about the rear or (J, side, or rear and side) of the vicinity of the vehicle as necessary.

Further, when the display information of a television, navigation system, etc. is led to the display means 2 via the cut-off means 3 and displayed on the display means 2, the shift mill lever 41 or the shift lever (t=rect lever) 51 is When the vehicle reaches the backward position, the microswitch 7'1B or 52 constituting the backward position 4 detection means 4 is activated. However, until the set limit of the timer means 5 has elapsed, the lj force 1 of the timer means 5 is "1-" and the switching means 3 does not perform the manual switching. Therefore, when the signal passes through the reverse R device, such as in the case of O1-Mab block transmission, the timer means 5 does not switch the inputs of the switching means 3.

-"Ir)- However, when the shift lever 41 or the shift lever (select lever) 51 stops at the 1st shift position for a predetermined period of time, the microswitch 4B or 52 constituting the reverse position detection means 4 is in an activated state, and the timer When the set time limit of the timer means 5 has elapsed, the output of the timer means 5 becomes H'', and the switching means 3 switches its input. That is, shift lever 4
1 or the shift lever (select lever) 51 is stopped at the reverse position for a predetermined period of time, and it is determined that the vehicle will move backward, and the imaging means captures an image of the rear or side or the rear and side of the vehicle from the vehicle side. The image signal obtained in step 1 is guided to the display means 2 via the switching means 3, and the image signal is displayed on the display means 2.

Therefore, information about the vicinity of the vehicle, which is a blind spot for the rear or side driver, can be obtained from the image on the display means 2.

As described above, the vehicle surroundings confirmation display device of this embodiment includes an imaging means 1 for taking an image of the vicinity of the vehicle from the vehicle side, a display means 2 for displaying an image taken by the imaging means 1, and a shift lever 41 or a Ginohi lever. (Select lever) 51
a backward position detection means for detecting that the shift lever or shift lever (select lever) 51 is in the reverse position; a timer means 5 for measuring the time period during which the shift lever or shift lever (select lever) 51 is stopped in the reverse position; Irrespective of the above, in the vehicle surroundings confirmation display device comprising a switch means SW for operating the display means, the display means 2 is brought into operation by the outputs of the timer means 5 and the switch means SW.

The shift lever 11 described in this embodiment is a directly operated i-transmission lever, and is called a select lever in the case of an automatic transmission. Here, the shift lever, select lever, etc. are equivalent operating levers for the purpose of changing the reverse position of the transmission, and therefore, in the present invention, they are collectively referred to as the gear change lever.

Further, the image capturing means 1 for capturing an image of the vicinity of a vehicle from the vehicle side targets the rear, side, or rear and sides, but when carrying out the present invention, the target vehicle vicinity is the rear, side, It may be set in any direction, rearward or sideways. In particular, this setting is selected depending on the vehicle type and the conditions of the vehicle and vehicle environment.

Therefore, the reverse position detection means 4 of the above embodiment detects the position of the gear shift lever using a microswitch.
Proximity switches such as optical shift lever position detection or magnetic or capacitive shift lever position detection may be used in practicing the present invention. For example, there are a method using a photocoupler, a method where a magnet is attached to the speed change lever to open and close a reed switch, a method using a Hall element, etc.

[Effects of the Invention] As described above, the vehicle surroundings confirmation display device of the present invention includes a display means for displaying an image taken by an imaging means for taking an image of the vicinity of the vehicle from the vehicle side, and a display device for displaying an image taken by an imaging means for taking an image of the vicinity of the vehicle from the vehicle side, and a display device for displaying an image taken by the imaging means for taking an image of the vicinity of the vehicle from the vehicle side, a backward position detection means for detecting that the speed change lever is in the reverse position;
In the vehicle surrounding confirmation display device, which includes a switch means for operating the display means regardless of the position of the gear shift lever, the display means is activated by the output of the timer means and the switch means. When backing up, you can always check the vicinity of the vehicle,
Furthermore, by using the switch means, the vicinity of the vehicle can be displayed as necessary.

Therefore, especially when the vehicle is moving backwards, which requires careful driving, the vicinity of the vehicle can be displayed simply by operating the operating lever.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of the overall configuration of a vehicle surrounding confirmation display device according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram of a reverse position detection means in the case of a directly operated transmission used in an embodiment of the present invention. FIG. 3 is an explanatory diagram of the backward position detection means in the case of the automatic transmission used in the embodiment of the present invention. In the figure, 1: imaging means, 2: display means, 3: switching means, 4: backward position detection means, 5: timer means, SW: switch means. In addition, in the figures, the same reference numerals and the same symbols indicate the same or equivalent parts. Patent applicant Toyoda Gosei Co., Ltd. and one other person

Claims (4)

[Claims] (1) Imaging means for capturing an image of the vicinity of the vehicle from the vehicle side;
a display means for displaying an image taken by the image pickup means; a backward position detection means for detecting that the speed change lever is in the reverse position; and a timer means for measuring the time period during which the speed change lever is stopped at the reverse position. , a vehicle surroundings confirmation display device comprising a switch means for operating the display means regardless of the position of the gear shift lever, characterized in that the display means is activated by an output of the timer means or the switch means. Vehicle surrounding confirmation display device. (2) The vehicle surroundings confirmation display device according to claim 1, wherein the imaging means for imaging the vicinity of the vehicle from the vehicle side is located at the rear and side. (3) The vehicle surroundings confirmation display device according to claim 1, wherein the imaging means for taking an image of the vicinity of the vehicle from the vehicle side is located at the rear. (4) The vehicle surroundings confirmation display device according to claim 1, wherein the imaging means for taking an image of the vicinity of the vehicle from the vehicle side is located on the side.