JPH09263199A - Indicator alarming abnormal proximity - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reliably give a visual alarm to a driver who is driving his vehicle while parking or garaging. SOLUTION: Distance sensors are mounted in the proximity of right and left ends of a rear bamper of the body to measure the distance to the object behind the body. In a high-mount stop lamp 20 fixed inside the vehicle are incorporated alarm indicators 40, 45 composed of LED lamps emitting light toward the inside of the vehicle and a light-emission control circuit 50 which perform light-emission control for the LED lamps 41, 46 of the alarm indicators 40, 45 independently and according to the output of the distance sensors. The light-emission control circuit 50 changes the color of the LED lamps 41, 46 to a desired one, so that the most appropriate alarm information may be given to the driver or the like.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an abnormal approach warning display device attached to a high mount stop lamp or the like of an automobile to warn a driver of an abnormal approach to an object behind the vehicle body, and more particularly to an abnormal approach warning display device. The present invention relates to an abnormal proximity warning display device in which a plurality of light emitting diodes (hereinafter, simply referred to as "LEDs") are built in a high mount stop lamp or the like and light emission can be controlled in any color.

[0002]

2. Description of the Related Art As a conventional abnormal approach warning display device,
There is so-called back sonar. This back sonar informs the driver of the existence of an obstacle behind the vehicle or the distance to the obstacle when the driver moves backward for the purpose of parking the vehicle, putting the vehicle in the garage, etc. When the distance to the obstacle becomes less than the set value, a predetermined warning sound is emitted to call the driver's attention.

[0003]

Since the back sonar as a conventional abnormal approach warning display device is constructed as described above, when the vehicle is moving backward, the driver can hear the information of the obstacle behind the auditory sense. It can be given to call attention to it.
However, it may be difficult to hear the warning sound of the back sonar due to noise around the vehicle. Therefore, it is desired to provide a means for giving a warning to the driver regarding an obstacle behind, in addition to the warning by an audible means such as a back sonar. Here, when the vehicle retreats, the driver normally sees the rear of the vehicle through the rear window,
It is considered that visually giving information on the rear obstacle can more effectively attract the driver's attention and facilitate the confirmation of the obstacle.

Therefore, an object of the present invention is to provide an abnormal approach warning display device which surely gives a visual warning about a rear object to a driver or the like while driving such as parking or parking. .

[0005]

An abnormal approach warning display device according to a first aspect of the present invention is mounted near the rear end of a vehicle body, and has a distance sensor for measuring a distance to an object behind the vehicle body and a high sensor fixed in the vehicle. A mount stop lamp is provided, which includes a warning display unit including LEDs that can emit light toward the inside of the vehicle, and a light emission control circuit that controls light emission of the LEDs of the warning display unit according to the output of the distance sensor. is there.

An abnormal approach warning display device according to a second aspect of the present invention is the LED of the warning display section according to the first aspect.
Is allowed to emit light in a plurality of colors, and the light emission control circuit changes the light emission color of the LED according to the output of the distance sensor.

According to a third aspect of the present invention, in the abnormal proximity warning display device according to the first or second aspect, the distance sensors are provided on the left and right sides of the rear end of the vehicle body, and the distance to an object behind the vehicle body on the left and right sides is set. Along with making it possible to measure freely, the warning display section is provided on both left and right sides of the high mount stop lamp on the passenger compartment side, according to the outputs of the left and right distance sensors.
LEDs of the left and right warning display portions by the light emission control means
Is controlled independently.

According to a fourth aspect of the present invention, in the abnormal approach warning display device according to the first or second aspect, the distance sensors are provided on the left and right sides and the center of the rear end of the vehicle body, and the object on the left and right sides of the vehicle body on the rear side. In addition to being able to measure the distance to the object behind the center, the warning display section is provided on both the left and right sides and in the center of the side surface of the high mount stop lamp on the passenger compartment side, and depending on the outputs of the left and right and center distance sensors, The light emission control means independently controls the light emitting diodes of the left and right and center warning display portions.

The abnormal approach warning display device according to claim 5 is mounted near the rear end of the vehicle body, has a distance sensor for measuring a distance to an object behind the vehicle body, and a case fixed at a predetermined position in the rear portion of the vehicle interior. A warning display unit is provided inside the case and has an LED that can emit light toward the inside of the vehicle, and a light emission control circuit that controls light emission of the LED according to the output of the distance sensor.

The abnormal approach warning display device according to claim 6 is mounted near the rear end of the vehicle body, and includes a distance sensor for measuring a distance to an object behind the vehicle body, and a housing portion provided near the rear end of the vehicle body. A warning light emitting portion which is provided in the housing portion and has an LED having directivity capable of emitting light of a predetermined color upward so as to be substantially parallel to the rear surface of the vehicle body, and the warning light emitting portion according to the output of the distance sensor. A light emission control circuit for controlling light emission of the LED, and an L position at an upper end position of the rear surface of the vehicle body;
It is located on the path of outgoing light having the directivity of ED,
And a redirecting means for redirecting the light emitted from the ED to the inside of the vehicle.

According to a seventh aspect of the present invention, in the abnormal proximity warning display device according to the fifth or sixth aspect, the LED of the warning light emitting section can freely emit light of a plurality of colors, and the light emission control circuit outputs the distance sensor. Accordingly, the emission color of the LED is changed.

An abnormal approach warning display device according to an eighth aspect of the present invention is the device of the sixth aspect, wherein the deflecting means comprises a mirror surface of a rear under mirror attached to the upper end of the rear surface of the vehicle body. The LED by the mirror surface of the part
The emitted light is reflected and redirected to the inside of the vehicle.

According to a ninth aspect of the present invention, there is provided the abnormal approach warning display device according to the sixth aspect, wherein the deflecting means is mounted in a space formed on the inner surface of a back visor mounted on the upper end of the rear surface of the vehicle body. The mirror surface of the mirror portion reflects and redirects the light emitted from the LED toward the inside of the vehicle.

[0014]

Embodiments of the present invention will be described below.

FIG. 1 is a rear view showing an automobile to which an abnormal approach warning display device according to a first embodiment of the present invention is applied.
FIG. 2 is a side view showing an automobile to which the abnormal proximity warning display device according to the first embodiment of the present invention is applied. FIG. 3 is a front view showing the inside of an automobile to which the abnormal proximity warning display device according to the first embodiment of the present invention is applied. FIG. 4 shows a schematic configuration of a high mount stop lamp embodying the abnormal approach warning display device according to the first embodiment of the present invention, and FIG. 4 (a) is a front view showing the warning display part side of the high mount stop lamp, (B) is a side view of a high mount stop lamp. FIG. 5 is a block diagram showing the electrical configuration of the abnormal proximity warning display device according to the first embodiment of the present invention.

1 to 4, first, a high mount stop lamp 20 embodying the abnormal approach warning display device of the present embodiment will be described. The high mount stop lamp 20 is attached to the center of the rear end of the roof inside the vehicle, and has a substantially rectangular box-shaped housing 21 located at the center of the upper edge of the rear window, and the outside of the housing 21 (see FIG. 4B). The display unit 22 is provided on the inside right side). Further, the display portion 22 is mounted in the housing 21, and is a lamp bulb 23 that can emit light toward the outside of the vehicle.
Covers the light emitting side of the lamp bulb 23,
Lens 24 that uniformly diffuses the light from 3 and emits red light
have. The configuration of the high mount stop lamp 20 itself is similar to that of a conventional vehicle-mounted type, and the present embodiment is characterized by the configuration described below.

The abnormal approach warning display device of this embodiment is
The distance sensor 31 on the left side and the distance sensor 32 on the right side, a warning display section 40 on the left side and a warning display section 45 on the right side, and a light emission control circuit 50. The pair of left and right distance sensors 31 and 32 are attached so as to project near the left and right ends of the upper surface of the rear bumper 13 located at the rear end of the vehicle body 11, respectively, and each of the distance sensors 31 and 32 measures the distance from an object or an obstacle behind the vehicle body 11. It is designed to measure. As the distance sensors 31 and 32, an ultrasonic sensor, an optical sensor, a proximity sensor for distance measurement, a proximity switch, or the like having the optimum characteristic is selected as the distance sensor according to the usage conditions such as the distance to be measured. Is preferably used. Although not shown, the distance sensors 31 and 32 of the present embodiment transmit and receive ultrasonic waves from an ultrasonic transducer, a drive control circuit that oscillates and drives the ultrasonic transducer, and the ultrasonic transducer. It is a publicly known one in which a circuit and a necessary circuit are hermetically installed in a housing.

The left and right warning display portions 40 and 4
Reference numerals 5 are respectively installed inside the housing 21 of the high mount stop lamp 20 at left and right positions inside the vehicle (left side in FIG. 4B). The warning display section 40 on the left side includes an LED lamp 41 that can emit light toward the inside of the vehicle, and a lens 42 that covers the light emitting side of the LED lamp 41 (the inside of the vehicle). Similarly, the warning display unit 45 on the right side includes an LED 46 lamp that is capable of emitting light toward the passenger compartment side, and a lens 47 that covers the light emitting side of the LED lamp 46. The lens 42,
Reference numeral 47 is an ordinary one having a light diffusion effect of uniformly diffusing the light from the LED lamps 41 and 46 and emitting the light from the entire surface.

The LED lamp 41 is a red LED 41.
The output of the three primary colors of R, the green LED 41G, and the blue LED 41B is obtained. For example, as such an LED lamp 41, a red LED 41R, a green LED 41G, and a blue LED 41B are mounted on a lead frame, and the LEDs 41R, 41G, and 41B of these three primary colors are sealed with a mold resin, and a single full-color light emission is used. . The LED lamp 46 also has the same configuration as the LED lamp 41, and includes a red LED 46R and a green LED 46.
The output of the three primary colors consisting of G and the blue LED 46B is obtained.

The light emission control circuit 50 is built in the housing 21 of the high mount stop lamp 20, and is responsive to the outputs of the left and right distance sensors 31 and 32.
The LED lamp 41 of the left warning display unit 40 and the LED lamp 46 of the right warning display unit 45 are independently controlled to emit light.

That is, as shown in FIG. 5, the light emission control circuit 5
On the input side of 0, the distance sensor 31 and the distance sensor 3
2 are connected to each other, and the light emission control circuit 50 calculates the distances between the vehicle body 11 and the left and right obstacles behind the vehicle body 11 according to the outputs of the distance sensors 31 and 32. Further, the L side is provided on the output side of the light emission control circuit 50.
Red LED 41R and green LED 41G of ED lamp 41
And blue LED 41B, red LED 46R, green LED 46G and blue LED 46B of the LED lamp 46.
Are connected to each other, and the LED lamps 41 and 46 are controlled to emit light in predetermined colors according to the outputs of the distance sensors 31 and 32, respectively. The light emission control circuit 50 of the present embodiment is composed of a one-chip microcomputer, has a CPU, a ROM, and a RAM, and has LEDs 41R, 41G, 41B and LEDs of different colors.
46R, 46G, and 46B are selectively and appropriately combined to perform light emission control by duty ratio control or the like to generate light of a desired color.

In this embodiment, for example, when the back gear is selected as the shift position, the issue control circuit 5
0 is supplied with power to activate the distance sensor 31, 3
The signal from 2 is input. Then, the issuance control circuit 50 controls the LED lamps 41 and 46 to emit light according to the warning state corresponding to the input signal, and causes the warning display portions 40 and 45 to emit warning light through the lenses 42 and 47. ing.

Here, in the present embodiment, one or a plurality of red LEDs, green LEDs, and blue LEDs that emit monochromatic light of each color are provided in the warning display portions 40 and 45, and these LEDs are provided. The light emission may be controlled by the light emission control circuit 50 so as to obtain a desired color by emitting light individually to form a single color, or by combining and emitting light to mix colors.
Furthermore, the LEDs for carrying out the present invention are, as described above, the red LEDs 41R, 46R and the green LEDs 41G, 4R.
6G, blue LEDs 41B, 46B do not necessarily require the three primary colors; red LEDs 41R, 46R, green L
A combination of any one or two colors of the EDs 41G, 46G and the blue LEDs 41B, 46B may be used.

On the other hand, the LED lamps 41 and 46 and the light emission control circuit 50 are mounted on a printed circuit board (not shown) to be integrated, and the printed circuit board is inserted into the housing 21 of the high mount stop lamp 20 to form an interior. The work of assembling the warning display portions 40 and 45 is facilitated. The printed circuit board on which the LED lamps 41 and 46 and the light emission control circuit 50 are mounted is further housed in a casing so that the whole structure is integrated, and the casing having such a structure is housed or housed in a predetermined position of the housing 21. The work of assembling the warning display portions 40 and 45 may be further facilitated.

The distance sensors 31 and 32 of this embodiment are
The warning display portions 40 and 45 are arranged on the left and right sides of the rear end of the vehicle body 11, respectively. Correspondingly, the warning display portions 40 and 45 are also arranged on the left and right sides of the housing 21 of the high mount stop lamp 20, respectively. In this case, the distance sensor may be provided only at the center of the rear end of the vehicle body 11 or on the left or right side, and the housing 21 may be provided with a single warning display portion.

Next, the operation of the abnormal approach warning display device of this embodiment will be described.

FIG. 6 is a flowchart showing the overall operation of the abnormal proximity warning display device according to the first embodiment of the present invention.

In the present embodiment, when the back gear is selected as the shift position, power is supplied to the issue control circuit 50 and this program is executed. In addition, in the following operation, the left distance sensor 31 and the LED lamp 41 and the right distance sensor 32 by the light emission control circuit 50.
The LED lamp 46 and the LED lamp 46 are controlled according to the flowchart shown in FIG.

The back gear is selected as the shift position,
When power is supplied to the distance sensors 31 and 32, the LED lamps 41 and 46, the light emission control circuit 50, and the like, first, the light emission control circuit 50 is initialized in step S1, and a predetermined time (several μs) in step S2. Below) each distance sensor 3
Ultrasonic waves are transmitted from 1, 32. Next, step S3
Then, after a lapse of a predetermined time, the distance sensors 31, 3
The reflected wave of the ultrasonic wave output from 2 is transmitted to the distance sensor 31,
In step S4, the emission control circuit 50 calculates the distances to obstacles located on the left and right sides behind the vehicle body 11 from the reception delay of the transmitted and received ultrasonic signals. Then, in step S5, it is determined whether or not the distances calculated for the left and right obstacles are each equal to or greater than a predetermined minimum distance threshold L.

Then, the distance to the obstacle on either side,
For example, when it is determined that the distance on the left side is not greater than or equal to the predetermined minimum distance threshold L, the red LED 41 on the left side in step S6.
The LED lamp 41 blinks red by R by R, and the warning display 40 on the left side blinks red by the inside of the vehicle through the lens 42 to emit light. In this case, if it is determined that the distance to the right obstacle is not more than the predetermined minimum distance threshold L, the same control is performed for the right LED lamp 46 in step S6, and the right warning display unit is displayed. Four
From 5 also flashes red light inside the car.

When it is confirmed that the distance calculated in step S5 is equal to or larger than the predetermined minimum distance threshold L, it is determined whether the distance calculated in step S7 is equal to or larger than the predetermined middle distance threshold M. When it is determined that the calculated right or left distance, for example, the left distance is not equal to or larger than the predetermined middle distance threshold M, the duty ratio of the left red LED 41R and the green LED 41G is adjusted in step S8 to make the orange color. Flashes. As a result, the LED lamp 41 blinks in orange, and the warning display 40 on the left side blinks orange in the vehicle interior through the lens 42. If it is determined that the distance on the right side does not exceed the predetermined middle distance threshold M, step S
The same control is performed for the LED lamp 46 on the right side at 8, and the warning display section 45 on the right side also flashes orange inside the vehicle.

When it is determined that the distance calculated in step S7 is greater than or equal to the predetermined middle distance threshold M, it is determined whether the distance calculated in step S9 is greater than or equal to the predetermined maximum distance threshold H. When it is determined that the calculated left or right distance, for example, the left distance is not greater than or equal to the predetermined maximum distance threshold H, the duty ratio of the left red LED 41R and the green LED 41G is adjusted in step S10 to blink yellow. And This causes the LED lamp 41 to blink yellow,
The warning display 40 on the left side flashes yellow light inside the vehicle through the lens 42. In addition, when it is determined that the right side distance is not equal to or larger than the predetermined maximum distance threshold H, the same control is performed also on the right side LED lamp 46 in step S10, and the right side warning display unit 45 also indicates a yellow color inside the vehicle. Flashes and emits light.

Further, either the left or right distance calculated in step S9, for example, the left side distance is a predetermined maximum distance threshold H.
When it is determined that the above is the case, the green LED 41G on the left side blinks green in step S11. This allows
The LED lamp 41 blinks in green, and the warning display 40 on the left side blinks in green inside the vehicle through the lens 42 to emit light. Note that the right maximum distance also has a predetermined maximum distance threshold H
When it is determined that the above is the case, the same control is performed for the LED lamp 46 on the right side in step S10, and the warning display unit 45 on the right side also emits green light inside the vehicle.

In the above operation, the blue LED 41
B and 46B are not used, for example, LED lamp 4
If a distance threshold value that is larger than the maximum distance threshold value H for emitting green light from 1, 46 is set, and if the distance threshold value is equal to or greater than this threshold value, the blue LEDs 41B and 46B are blinked or lit to turn on the LEDs.
The lamps 41 and 46 blink or light blue and the lens 4
Alternatively, the warning display portions 40, 45 may be made to blink or light up in blue inside the vehicle via 2, 47. Also,
Blue LEDs 41B, 46B and LEDs 41R, 4 of other colors
1G, 46R, and 46G may be mixed by duty ratio control to obtain a desired color different from the above.
The blue LEDs 41B and 46B may be omitted if only the above-mentioned flowchart is executed.

As described above, the abnormal approach warning display device according to the present embodiment is attached near the left and right ends of the rear bumper 13 at the rear end of the vehicle body 11 and measures the distance to the object behind the vehicle body 11 on the left side. Sensor 31 and distance sensor 3 on the right side
2 and high mount stop lamp 20 fixed inside the car
And a high-mount warning display unit 40, which is provided on the left and right sides of the vehicle, and which includes a left-side warning display unit 40 including an LED lamp 41 that emits light toward the inside of the vehicle and a right-side warning display unit 45 including an LED lamp 46 that emits light toward the inside of the vehicle A light emission control circuit 50 which is built in the stop lamp 20 and independently controls the LED lamp 41 of the warning display unit 40 and the LED lamp 46 of the warning display unit 45 in accordance with the outputs of the distance sensor 31 and the distance sensor 32. And is equipped with.

Therefore, if the back gear is selected as the shift position when the vehicle is moving backward for the purpose of parking or parking, the distance sensors 31 and 32 measure the distance to the object behind the vehicle body 11 and calculate the distance. Change its output accordingly. In addition, the light emission control circuit 50 causes the distance sensors 31, 3 to
The LED lamps 41 and 46 are controlled to emit light according to the output of 2 and the display states of the warning display portions 40 and 45 are changed so that the warning display portions 40 and 45 are provided inside the high mount stop lamp 20 provided inside the vehicle. The LED lamps 41 and 46 of FIG. At this time, the driver is the rear window 1
The vehicle is moved backward while checking the rear through 5 and the high mount stop lamp 20 in the field of view is visually recognized. You can get information about the object. In addition, the warning display unit 4
High-mount stop lamp 20 that houses 0,45
Is located in the center near the upper end or the lower end of the rear window 15, which is a part that easily attracts the driver's attention when the vehicle is moving backward, so that it can exert a more effective warning function and is highly reliable. A warning can be displayed. As a result, it is possible to reliably give a visual warning to the driver who is driving such as parking and parking, and the driver can confirm the distance to the object behind and accurately and safely perform the backward movement of the vehicle. And it can be done quickly.

In particular, with the recent increasing consideration for safety, the high mount stop lamp 2 is provided at the rear of the vehicle body 11.
0 is generally provided, and by providing the warning display portions 40 and 45 on the high mount stop lamp 20, a separate space and member are not required for installing the warning display portions 40 and 45, and The cost can be reduced.

Further, since the LED lamps 41 and 46 and the light emission control circuit 50 are housed inside the high mount stop lamp 20, they can be operated only by introducing an external power source, and the abnormal proximity warning display device can be made compact. Can be achieved. Furthermore, since the distance sensors 31 and 32 are arranged near the left and right ends of the rear bumper 13 at the rear end of the vehicle body 11,
The distance to the object one behind can be measured accurately.
Then, the high mount stop lamp 20 having the warning display portions 40 and 45 inside is arranged in the vehicle, and the warning display portions 40 and 45 are
Since the LED lamps 41 and 46 of 45 are allowed to emit light toward the inside of the vehicle, the visibility of the warning display portions 40 and 45 is improved, and information can be transmitted to the driver more reliably. Further, since only the LED lamps 41 and 46 and the light emission control circuit 50 are housed inside the high mount stop lamp 20, the distance sensors 31 and 32 are separately arranged near the rear end of the vehicle body 11, so that the high mount stop lamp is not provided. Lamp 2
Regardless of the size of 0, large distance sensors 31 and 32 can be used, and the reliability of the device can be improved.

Further, in the present embodiment, as described above,
The LED lamps 41 and 46 of the warning display portions 40 and 45 are allowed to emit full-color light of arbitrary colors, and the LEDs of the corresponding warning display portions 40 and 45 are controlled by the light emission control circuit 50 according to the outputs of the distance sensors 31 and 32. The emission color of the lamps 41 and 46 is changed to a preset desired color.
That is, the outputs of the distance sensors 31 and 32 cause the vehicle body 11
Calculates the distance to the obstacle behind and changes the emission color of the LED lamps 41 and 46 in four stages of red, orange, yellow, and green, or in five stages by adding blue to these, according to the distance. Is. Therefore, the distance sensors 31, 32
In accordance with the output of the LED lamp 4
Various colors such as changing the emission colors of the LEDs 1 and 46, for example, changing the LED lamps 41 and 46 to desired colors such as blue, green, yellow, orange and red in order according to the distance to the object behind. It is possible to transmit more information to the driver or the like by changing the control.

Further, in the present embodiment, the distance sensors 31 and 32 are provided on the left and right sides of the rear bumper 13 at the rear end of the vehicle body 11 so that the distances to objects or obstacles on the left and right sides of the vehicle body 11 can be measured freely. The warning display section 40,
45 are provided on the left and right sides of the vehicle interior side surface of the high mount stop lamp 20, and the light emission control circuit 50 controls the LED lamps 41 of the left and right warning display units 40 and 45 according to the outputs of the left and right distance sensors 31 and 32. , 46 are controlled independently. Therefore, the driver visually recognizes the left and right warning display portions 40 and 45 and confirms the light emitting states of the LED lamps 41 and 46, respectively.
It is possible to separately obtain information on the objects located on the left and right sides of the rear one, and to perform the backward movement more accurately, safely and quickly.

Next, an abnormal approach warning display device according to another embodiment of the present invention will be described.

In the following description, the same reference numerals and symbols as those used in the first embodiment indicate the same or corresponding components as those of the first embodiment, and therefore, duplicated description will be given here. The description will be omitted.

FIG. 7 is a perspective view schematically showing a high mount stop lamp embodying the abnormal approach warning display device according to the second embodiment of the present invention.

As shown in FIG. 7, in the present embodiment, the high mount stop lamp 60 is of a type fixed to a rear package tray (not shown) behind the rear seat and arranged at the center of the lower end of the rear window 15. Are using. The display unit 62 having the same configuration as the display unit 22 of the first embodiment is provided on the vehicle exterior side of the housing 61.
Is arranged, and red light is emitted to the outside of the vehicle through the lens 63. In addition, inside the housing 61, left and right warning display portions 70 and 75 having the same configuration as the warning display portions 40 and 45 of the first embodiment are provided, and the lens 7
Lights of a predetermined color are emitted to the inside of the vehicle via 1, 76. The configuration of the LEDs and the configuration of the light emission control circuit inside the warning display portions 70 and 75 housed inside the housing 61 are the same as those in the first embodiment.
A duplicate description will be omitted.

The abnormal proximity warning display device of the second embodiment also operates in the same manner as the abnormal proximity warning display device of the first embodiment, and has the same effect.

FIG. 8 is a perspective view showing the rear side of a vehicle to which the abnormal approach warning display device according to the third embodiment of the present invention is applied. FIG. 9 is a rear view showing an automobile to which the abnormal proximity warning display device according to the third embodiment of the present invention is applied. FIG.
FIG. 0 is a perspective view showing a vehicle rear side of an automobile to which the abnormal approach warning display device according to the third embodiment of the present invention is applied. FIG. 11 is a side view showing a warning display portion of the abnormal proximity warning display device according to the third embodiment of the present invention.

8 to 11, the abnormal approach warning display device according to the present embodiment is similar to the above-described embodiments.
The high mount stop lamps 20 and 60 are not provided, but are provided separately and independently, and are composed of a pair of left and right distance sensors 81 and 82, a warning display section 90, and a light emission control circuit 95. The distance sensors 81 and 8
Reference numerals 2 are embedded and attached near the left and right ends of the rear surface of the rear bumper 13 located at the rear end of the vehicle body 11 so as not to project from the rear surface of the rear bumper 13. The distance sensors 81 and 82 are composed of ultrasonic sensors similar to those in the first embodiment, and each of them measures the distance to an object such as an obstacle behind the vehicle body 11. Further, the warning display portion 90 has a case 91 fixed to a predetermined position in the rear part of the vehicle, for example, the rear package tray 19, and an LED lamp 92 which is internally mounted in the case 91 and can emit light toward the inside of the vehicle. LED lamp 9
As the LED lamp 2, the same LED lamp 41 as that of the first embodiment is used. The case 91 has a box shape with a substantially semicircular front surface and a substantially quadrant cross section, and has a lens 93 similar to the lens 42 of the first embodiment in a substantially semicircular opening on the front surface. Is attached and shielded, and the opening side (lens 9
3 side) is arranged and fixed with the front facing forward. Case 91
In the same manner as in the first embodiment, the distance sensor 8
A light emission control circuit 95 for controlling the light emission of the LED lamps 92 according to the outputs of 1 and 82 is fixed.

Similar to the first embodiment, the distance sensors 81 and 82 are connected to the input side of the light emission control circuit 95, respectively, and the light emission control circuit 95 is connected in accordance with the outputs of the distance sensors 81 and 82. The distances between the vehicle body 11 and the left and right obstacles behind the vehicle body 11 are calculated respectively. The LED lamp 9 is provided on the output side of the light emission control circuit 95.
2 is connected, and the LED lamp 92 is controlled to emit light in an arbitrary preset color according to the outputs of the distance sensors 81 and 82. The light emission control circuit 95 of the present embodiment has the same configuration as the light emission control circuit 50 of the first embodiment, and controls the light emission of the LED lamp 92 to generate light of a desired color. It has become.

Further, the LED lamp 92 and the light emission control circuit 95 are mounted on a printed circuit board (not shown) and integrated as in the first embodiment, and the printed circuit board is inserted into the case 91 of the warning display section 90. The LED lamp 92 and the light emission control circuit 95 are easily attached to the case 91 of the warning display section 90 by wearing the LED lamp 92 and the case 91.

The abnormal approach warning display device of the present embodiment
Similar to the first embodiment, the light emission control circuit 95 controls the operation according to the flowchart of FIG. 6. However, since only one warning display unit 90 is provided, the logical sum of the left and right distance sensors 81 and 82 is calculated. Thus, the LED lamp 92 is controlled to emit light of a predetermined color. That is, either the left or right distance sensor 8
When 1, 82 detect an object such as an obstacle within the range less than the minimum distance threshold L, the LED lamp 92 flashes red and emits light. In addition, either the left or right distance sensor 81, 82
However, when an object is detected within the range of the minimum distance threshold L or more and less than the intermediate distance threshold M, the LED lamp 92 flashes orange and emits light. Then, either the left or right distance sensor 81,
When 82 detects an object within the range of the intermediate distance threshold M or more and less than the maximum distance threshold H, the LED lamp 92 flashes yellow and emits light. Furthermore, either the left or right distance sensor 81,
82 also lights up the LED lamp 92 in green when no object is detected within the range less than the maximum distance threshold H.

In the present embodiment, the single warning display section 90 is associated with the pair of left and right distance sensors 81, 82, and the light emission control circuit 95 causes both distance sensors 81, 82 to be detected.
The LED lamp 92 is controlled to emit light by taking the logical sum of the outputs of the left and right, but like the first embodiment, the left and right distance sensors 81 and 82 are associated with a pair of left and right warning display portions, and rear left and right. The objects such as the obstacles may be independently warned and displayed. Further, only one distance sensor may be provided corresponding to the warning display unit 90, and the LED lamp 92 of the warning display unit 90 may be controlled to emit light in a predetermined color by the output from the distance sensor. Further, the warning display portion 90 having the LED lamp 92 installed therein is fixed to a rear portion inside the vehicle, which is a portion where it is easy to draw the driver's attention when the vehicle is moving backward, such as the center near the upper end or the lower end of the rear window 15. It is preferable to do so, so that a more effective warning function can be exerted.

As described above, the abnormal approach warning display device according to the present embodiment is mounted near the rear end of the vehicle body 11, and
Distance sensors 81, 8 for measuring the distance to the object behind 1
2, a case 91 fixed at a predetermined position in the rear of the vehicle,
A warning display portion 90 that is installed in the case 91 and has an LED lamp 92 that emits light toward the inside of the vehicle, and a case 91 of the warning display portion 90 that is installed in the case 91 and is output in response to the outputs of the distance sensors 81 and 82. A light emission control circuit 95 for controlling light emission of the LED lamp 92.

Therefore, in addition to the actions and effects of the first or second embodiment, this embodiment has a distance sensor 8 when the vehicle is moving backward for the purpose of parking or parking.
1, 82 measure the distance to an object behind the vehicle body 11 and change the output according to the distance. Also, the light emission control circuit 9
5 controls the light emission of the LED lamp 92 according to the outputs of the distance sensors 81 and 82, changes the display state of the warning display section 90, and the LED lamp 92 of the warning display section 90 fixed at a predetermined position in the rear of the vehicle. The light emission is displayed inside the car. At this time, the driver retreats the vehicle while checking the rear through the rear window 15, and the warning display portion 90 within the field of view is displayed.
In order to visually recognize, it is possible to obtain information regarding the rear object by the change in the display state of the LED lamp 92 installed in the case 91 of the warning display unit 90. Further, the warning display portion 90 having the LED lamp 92 installed therein is fixed to a rear portion inside the vehicle, which is a portion where it is easy to draw the driver's attention when the vehicle is moving backward, such as the center near the upper end or the lower end of the rear window 15. Therefore, a more effective warning function can be exerted, and a highly reliable warning display can be performed. As a result, it is possible to reliably give a visual warning to the driver who is driving such as parking or parking the garage.
The backward movement of the vehicle can be accurately, safely, and swiftly performed by checking the distance to the object behind.

Further, since the LED lamp 92 and the light emission control circuit 95 are housed inside the case 91 of the warning display section 90, the operation can be performed only by introducing an external power source, and the abnormal proximity warning display device can be made compact. Further, since the distance sensors 81 and 82 are arranged on the rear surface of the rear bumper 13 located at the rear end of the vehicle body 11, it is possible to accurately measure the distance to the object behind the vehicle body 11. Then, the case 91 of the warning display portion 90 is arranged in the vehicle, and the warning display portion 90
Since the ED lamp 92 can emit light toward the inside of the vehicle,
The visibility of the warning display unit 90 is improved, and information can be more reliably transmitted to the driver. Further, the warning display section 90
Since only the LED lamp 92 and the light emission control circuit 95 are housed inside the case 91, the distance sensors 81 and 82 are separately arranged near the rear end of the vehicle body 11, the warning display portion 90
The distance sensors 81 and 82 can be large irrespective of their size, and the reliability of the device can be improved.

Further, in the present embodiment, as described above,
The LED lamp 92 of the warning display unit 90 is allowed to emit any color in full color, and the light emission control circuit 95 sets the emission color of the LED lamp 92 of the warning display unit 90 in advance according to the outputs of the distance sensors 81 and 82. I am trying to change the color. That is, the distances to the obstacle behind the vehicle body 11 are calculated from the outputs of the distance sensors 81 and 82, and
Depending on the distance, the emission color of the LED lamp 92 is changed to four levels of red, orange, yellow, and green, or to five levels by adding blue to this. Therefore, the distance sensor 8
The light emission control circuit 95 changes the light emission color of the LED lamp 92 in accordance with the outputs of 1, 82, and, for example, changes the LED lamp 92 to blue, green, yellow, orange, red, or the like according to the distance to the rear object. It is possible to transmit various pieces of information to the driver or the like by changing and controlling to various colors such as changing to a desired color in order. Further, the abnormal approach warning display device of the present embodiment has an effect that it can be applied to an automobile without the high mount stop lamps 20 and 60.

FIG. 12 is a perspective view showing the rear side of a vehicle to which the abnormal approach warning display device according to the fourth embodiment of the present invention is applied. FIG. 13 is a rear view showing an automobile to which the abnormal proximity warning display device according to the fourth embodiment of the present invention is applied.
FIG. 14 is a side view showing the rear side of an automobile to which the abnormal proximity warning display device according to the fourth embodiment of the present invention is applied. FIG. 15 is a side view showing a warning light emitting portion of the abnormal approach warning display device according to the fourth embodiment of the present invention.

The abnormal approach warning display device of the present embodiment is
Similar to the third embodiment, it is provided separately from the high mount stop lamps 20 and 60, and has a pair of left and right distance sensors 8 having the same configuration as the third embodiment.
1, 82, a warning light emitting unit 100, and a light emission control circuit 105. The warning light emitting unit 100 includes a cylindrical housing portion 101 having an open upper end, an LED lamp 102 provided in the housing portion 101, a condenser lens 103 arranged above the LED lamp 102, and a housing portion 101. The shield portion 104 is formed of a transparent plate that shields the upper end opening. The accommodating portion 101 is fixed near the left end of the upper surface of the rear bumper 13 located near the rear end of the vehicle body 11. The accommodating portion 101 is arranged and fixed so that the top of the cannonball-shaped LED lamp 102 is positioned as the upper side, and L
A condenser lens 103 is arranged above the ED lamp 102. Then, the LED lamp 102 makes it possible to emit light of a predetermined color upward so as to be substantially parallel to the rear surface of the vehicle body 11.
The emitted light of No. 02 is condensed and guided in an upper predetermined direction in a state where the luminous intensity is increased.

Specifically, as shown by the dotted line in FIG.
The light from the LED lamp 102 and the condenser lens 103 is
Rear under mirror 1 arranged on the upper left side of the rear surface of the vehicle body
The emission direction is determined so that the light is incident on the mirror surface 112 of the mirror portion 112 of 10 and is reflected toward the driver's seat in the vehicle. That is, the approximate center of the mirror surface of the mirror section 112 is positioned on the path of the light emitted from the warning display section 100. The rear under mirror 110 is used for the rear bumper 13 of an RV vehicle or the like.
The rear under mirror 110 is provided for confirming the situation in the vicinity, and is for reflecting obstacles and the like near the rear bumper 13 by the mirror portion 102 attached to the main body 111 so that the driver in the vehicle can visually recognize the obstacle. The mirror surface of the portion 112 constitutes a diverting unit that reflects and redirects the light emitted from the LED lamp 102 toward the inside of the vehicle.

The light emission control circuit 105 includes the warning light emitting unit 1
00 is disposed on the inner bottom surface of the accommodating portion 101, and the LED lamp 102 is arranged according to the outputs of the distance sensors 81 and 82.
Is controlled. Similar to the first embodiment, distance sensors 81 and 82 are respectively connected to the input side of the light emission control circuit 105, and the light emission control circuit 105 is connected to the vehicle body 11 according to the outputs of the distance sensors 81 and 82.
And the distance between the left and right obstacles and the like behind the vehicle body 11 are respectively calculated. Further, the LED lamp 102 is connected to the output side of the light emission control circuit 105, and the LED lamp 102 is connected according to the outputs of the distance sensors 81 and 82.
Is controlled to emit light of any color set in advance. The light emission control circuit 105 of the present embodiment has the same configuration as the light emission control circuit 50 of the first embodiment,
The LED lamp 102 is controlled to emit light to generate light of a desired color.

Further, as in the first embodiment, the LED lamp 102 and the light emission control circuit 105 are mounted on a printed circuit board (not shown) and integrated, and the printed circuit board is housed in the accommodating portion 101 of the warning light emitting unit 100. The interior of the warning light emitting unit 100 is easily attached to the housing 101 of the warning light emitting unit 100 by assembling the LED lamp 102 and the light emission control circuit 105.

The abnormal approach warning display device of the present embodiment is
Similar to the first embodiment, the light emission control circuit 105 controls the operation according to the flowchart of FIG.
Since only one warning display unit 100 is provided, the logical sum of the left and right distance sensors 81 and 82 is calculated to obtain the LED lamp 102.
Is controlled to emit light of a predetermined color. That is, when one of the left and right distance sensors 81, 82 detects an object such as an obstacle within the range less than the minimum distance threshold L, the LED lamp 102 flashes red and emits light. In addition, either the left or right distance sensor 8
When the LED lamps 1, 82 detect an object within the range of the minimum distance threshold L or more and the intermediate distance threshold M or less, the LED lamp 102
Flashes orange and emits light. Then, when either of the left and right distance sensors 81, 82 detects an object within the range of the intermediate distance threshold M or more and less than the maximum distance threshold H, the LED lamp 102 flashes yellow and emits light. Furthermore, when neither the left or right distance sensor 81, 82 detects an object within the range less than the maximum distance threshold H, the LED lamp 102 is turned on in green. Accordingly, the light of the corresponding color is condensed by the condensing lens 103 in the blinking state or the lit state, passes through the shielding section 104, travels to the mirror section 112 of the rear under mirror 110, and is reflected by the mirror section 112. It is reflected on the mirror surface and becomes visible to the driver inside the vehicle.

In the present embodiment, a single warning light emitting unit 100 is associated with the pair of left and right distance sensors 81, 82, and the light emission control circuit 105 causes both distance sensors 81, 82 to move.
Although the LED lamp 102 is controlled to emit light by taking the logical sum of the outputs of 82, as in the first embodiment, the left and right distance sensor 81 and 82 are made to correspond to a pair of left and right warning light emitting parts, and the left and right of An object such as an obstacle behind may be independently emitted as a warning light. Further, only one distance sensor may be provided corresponding to the warning light emitting unit 100, and the LED lamp 102 of the warning light emitting unit 100 may be controlled to emit light of a predetermined color by the output from the distance sensor.

As described above, the abnormal approach warning display device according to the present embodiment is attached near the rear end of the vehicle body 11, and
Distance sensors 81, 8 for measuring the distance to the object behind 1
2 and a housing portion 101 provided near the rear end of the vehicle body 11,
An LED that is internally installed in the housing portion 101 and that can emit light of a predetermined color upward so as to be substantially parallel to the rear surface of the vehicle body 11.
A warning light emitting unit 100 having a lamp 102 and a condenser lens 103 that collects the emitted light of the LED lamp 102 and guides the light upward, and a housing 101 of the warning light emitting unit 100. L depending on the output
A light emission control circuit 105 for controlling light emission of the ED lamp 102.
And is located at a substantially upper end position on the rear surface of the vehicle body 11 and on the path of the emitted light of the LED lamp 102 condensed by the condenser lens 103, and changes the emitted light of the LED lamp 102 to the inside of the vehicle. The mirror section 112 of the rear under mirror 110 is provided as a deflecting unit that guides the mirror toward the opposite side.

Therefore, when the vehicle moves backward for the purpose of parking or parking, the distance sensors 81 and 82 measure the distance to the object behind the vehicle body 11 and change the output according to the distance. Further, the light emission control circuit 105 controls light emission of the LED lamp 102 according to the outputs of the distance sensors 81 and 82, the LED lamp 102 emits light of a predetermined color, and the condenser lens 103 emits light emitted from the LED lamp 102. The light is condensed, and the light is emitted upward in a state substantially parallel to the rear surface of the vehicle body 11. After that, the collected emitted light is transmitted to the vehicle body 11
At the state position of the rear surface, the mirror surface of the mirror portion 112 as a deflecting means on the route reflects and deflects toward the inside of the vehicle, enters the vehicle, and becomes visible to the driver. That is, the light emitting state of the warning light emitting unit 100 is changed according to the outputs of the distance sensors 81 and 82, and the light of the light emitting state is incident on the inside of the vehicle by the mirror surface of the mirror unit 112. At this time, the driver retreats the vehicle while confirming the rear through the rear window 15 and visually recognizes the mirror section 112 of the rear under mirror 110 in the field of view, so the warning light emitting section 100 is passed through the mirror section 112. The change in the light emission state of can be confirmed, and information about the object behind can be obtained.
In addition, the mirror portion 112 of the rear under mirror 110 that allows light from the warning light emitting portion 100 to enter the inside of the vehicle is located at substantially the upper end of the rear window 15 which is a portion where it is easy for the driver to visually recognize the rear when the vehicle moves backward. Therefore, a more effective warning function can be exerted, and a highly reliable warning display can be performed. As a result, it is possible to reliably give a visual warning to the driver while driving such as parking and parking.
The driver can accurately, safely, and swiftly perform the backward movement of the vehicle by checking the distance to the object behind.

Further, since the LED lamp 102 and the light emission control circuit 105 are accommodated inside the accommodating portion 101 of the warning light emitting portion 100, operation is possible only by introducing an external power source, and the abnormal proximity warning display device can be made compact. Then, the mirror portion 112 of the rear under mirror 110 that guides the light from the warning light emitting portion 100 into the vehicle is arranged on the substantially upper end of the rear surface of the vehicle body 11 that is easily visible from the inside of the vehicle.
Since the light from the ED lamp 102 is reflected toward the inside of the vehicle and is deflected, the light from the warning light emitting unit 100 can be easily confirmed by the mirror unit 112, and information can be more reliably transmitted to the driver. be able to. Furthermore, the warning light emitting unit 1
The LED sensor 102 and the light-emission control circuit 105 are housed inside the housing part 101 of 00, and the distance sensor 81,
Since the 82 is provided separately near the rear end of the vehicle body 11, the distance sensor 8 is irrelevant regardless of the size of the warning light emitting unit 100.
Large ones can be used as 1, 82, and the reliability of the device can be improved.

Further, in the present embodiment, as described above,
The LED lamp 102 of the warning light emitting unit 100 is allowed to emit any color in full color, and the light emission control circuit 105 sets the emission color of the LED lamp 102 of the warning light emitting unit 100 in advance in accordance with the outputs of the distance sensors 81 and 82. I am trying to change the color. That is, the distance sensors 81 and 82
Output, the distance to the obstacle behind the vehicle body 11 is calculated, and the light emission color of the LED lamp 102 is selected from four levels of red, orange, yellow, and green, or five levels by adding blue to the calculated color. To change to. Therefore, according to the outputs of the distance sensors 81 and 82, the light emission control circuit 10
5 changes the emission color of the LED lamp 102, for example, the LED lamp 102 is changed to a desired color such as blue, green, yellow, orange and red in order according to the distance to a rear object. It is possible to transmit more information to the driver or the like by changing the control.

Further, the deflecting means is attached to the upper end of the rear surface of the vehicle body 11 to form the mirror portion 1 of the rear under mirror 110.
The mirror surface of the mirror portion 112 reflects and redirects the emitted light of the LED lamp 102 to the inside of the vehicle. Therefore, the mirror section 112 of the rear under mirror 110 functions as a diverting means for diverting the light from the warning light emitting section 100 toward the inside of the vehicle, and does not require any other special configuration, and is therefore a separate diverting means. Member is unnecessary, and the space required for installing such a member can be omitted, and the overall cost can be reduced.

FIG. 16 is a side view showing the rear side of a vehicle to which the abnormal approach warning display device according to the fifth embodiment of the present invention is applied.

The abnormal approach warning display device of this embodiment is
The deflecting means of the abnormal approach warning display device according to the fourth embodiment is changed from the mirror surface of the mirror portion 112 of the rear under mirror 110 to the mirror surface of the mirror portion 122 provided inside the main body 121 of the back visor 120. Other configurations are the same as those in the fourth embodiment. That is, the back visor 120 as the deflecting means of the present embodiment is attached to the upper end of the rear surface of the vehicle body for the purpose of improving aerodynamic characteristics and preventing direct light from entering the rear seat. The mirror portion 122 is attached to a space formed inside the main body 121 of the visor 120. The mirror surface of the mirror section 122 reflects and redirects the light emitted from the LED lamp 102 of the warning light emitting section 100 toward the inside of the vehicle. The mirror portion 122 can have various shapes as long as it can reflect the light of the LED lamp toward the driver in the vehicle. Specifically, as indicated by a dotted line in FIG. 16, the LED lamp 102 and the condenser lens 103 are included.
The emission direction of the light is determined so that it is incident near the center of the mirror surface of the mirror portion 122 of the back visor 120 disposed on the upper end of the rear surface of the vehicle body in the width direction and is reflected toward the driver's seat in the vehicle.

The abnormal approach warning display device of the present embodiment is
It operates similarly to the abnormal approach warning display device of the fourth embodiment, and light of a color corresponding to the distance to the object behind the vehicle body 11 is emitted from the warning light emitting unit 100 in the blinking state or the lighting state, and the back light is turned on. It advances to the mirror part 122 in 120, is reflected by the mirror surface of the mirror part 122, and becomes a state visible to the driver in the vehicle.

As described above, the abnormal proximity warning display device according to the present embodiment has the same configuration as that of the fourth embodiment.
The diverting means is composed of a mirror surface of a mirror portion 122 mounted in a space formed by an inner surface of a main body 121 of a back visor 120 mounted on the upper end of the rear surface of the vehicle body 11. The mirror surface of the mirror portion 122 constitutes the LED lamp 102. The emitted light is reflected and redirected to the inside of the vehicle. Therefore, in addition to the actions and effects similar to those of the fourth embodiment,
The mirror unit 122, which functions as a changing unit that changes the light from the warning light emitting unit 100 toward the inside of the vehicle, is provided in the back visor 1.
Since it is mounted in the space formed by the inner surface of the body 121 of 20, the mirror section 122 does not require any other special space for installation. Further, since the mirror portion 122 is shielded from the outside by the main body 121 of the back visor 120,
The mirror portion 122 does not reduce aerodynamic characteristics or impair the overall design.

FIG. 17 is a rear view showing an automobile to which the abnormal approach warning display device according to the sixth embodiment of the present invention is applied. FIG. 18 is a front view showing a warning display portion side of a high mount stop lamp embodying the abnormal approach warning display device according to the sixth embodiment of the present invention.

17 and 18, the abnormal approach warning display device of the present embodiment is the vehicle body 1 of the first embodiment.
In addition to the distance sensors 31 and 32 on the left and right sides of the rear end of the vehicle 1, a distance sensor 131 is provided at the center of the rear end of the vehicle body 11. The distance sensors 31, 32, 131 can freely measure the distance between the object on the left and right sides of the vehicle body 11 and the object on the center rear side. Further, in the present embodiment, three warning display portions 140, 145, 150 are provided on the left and right sides and the center of the side surface of the housing 21 of the high mount stop lamp 20 on the vehicle interior side. Each of the warning display parts 140, 145, 150 has the same configuration as the warning display parts 40, 45 of the first embodiment, and like the LED lamps 41, 46, the LE that can emit light toward the inside of the vehicle.
D lamps 141, 146, 151, the lens 42,
Similar to 47, it is provided with lenses 142, 147, 152 that cover the light emitting sides (inside the vehicle) of the LED lamps 141, 146, 151. The present embodiment includes a light emission control circuit similar to the light emission control circuit 50 of the first embodiment, and the light emission control circuit allows the distance sensors 3 on the left and right sides and the center.
According to the outputs of 1, 32, 131, the LED lamps 141 of the left and right and center warning display portions 140, 145, 150.
The light emission control of 146 and 151 is controlled independently.

That is, in the present embodiment, the central warning display operation is performed in addition to the left and right warning display operations in the first embodiment. The left distance sensor 31 and the LED lamp 141 by the light emission control circuit are performed. , Distance sensor 3 on the right side
2 and the LED lamp 146 and the central distance sensor 13
1 and the LED lamp 151 are independently controlled according to the flowchart shown in FIG. 6, as in the first embodiment. Then, the LED lamp 141 of the left warning display unit 140 and the LED lamp of the right warning display unit 145 according to the distance to the left object behind the vehicle body 11, the distance to the right object, and the distance to the central object. 146
And the LED lamp 151 of the central warning display unit 150,
Each of them flashes or lights in a predetermined color such as red, orange, yellow, and green, and the corresponding warning display portions 140, 145, 1
A warning light of 50 is emitted.

As described above, the abnormal approach warning display device according to the present embodiment is attached near the left and right ends of the rear bumper 13 at the rear end of the vehicle body 11 and is located on the left side for measuring the distance to the rear left and right objects of the vehicle body 11. A distance sensor 31 and a right distance sensor 32, a central distance sensor 131 that is mounted near the left and right center of the rear bumper 13 at the rear end of the vehicle body 11 and measures the distance to an object at the rear center of the vehicle body 11, and is fixed in the vehicle. The left and right sides of the high mount stop lamp 20 and the warning display section 140 on the left side, which includes the LED lamps 141 that can emit light toward the inside of the vehicle, and the L that can emit light toward the inside of the vehicle
A warning display portion 145 on the right side, which includes an ED lamp 146,
A high-mounted stop lamp 20 fixed inside the vehicle is installed in the center of the left and right, and a central warning display part 150 is formed of an LED lamp 151 that can emit light toward the inside of the vehicle, and the high-mounted stop lamp 20 is installed with the distance sensor. According to the outputs of the distance sensor 32, the distance sensor 32, and the distance sensor 131, the LED lamp 141 of the warning display unit 140,
The LED lamp 146 of the warning display unit 145 and the LED lamp 151 of the warning display unit 150 are individually provided with a light emission control circuit for controlling light emission.

Therefore, when the back gear is selected as the shift position when the vehicle moves backward for the purpose of putting in the garage or parking, the distance sensors 31, 32 and 131 cause the vehicle body 1 to move.
The distances to the left, right, and center objects behind 1 are measured, and the output is changed according to the distance. Further, the light emission control circuit independently controls the light emission of the LED lamps 141, 146, 151 according to the outputs of the distance sensors 31, 32, 131, and independently displays the display states of the warning display units 140, 145, 150. The warning display parts 140, 1 are changed on the inside of the high mount stop lamp 20 arranged inside the vehicle.
The light emission display by the LED lamps 141, 146, 150 of 45, 150 is separately and independently performed. At this time, the driver retreats the vehicle while confirming the rear through the rear window 15 and visually recognizes the high mount stop lamp 20 in the field of view.
By changing the display state of the warning display portions 140, 145, 150 installed inside, it is possible to obtain information on the left, right, center objects. As a result, it is possible to reliably give a visual warning to the driver who is driving such as parking and parking, and the driver can confirm the distance to the object behind and accurately and safely perform the backward movement of the vehicle. And it can be done quickly. In particular, the present embodiment can provide information to the driver not only on the left and right behind the vehicle body 11 but also on the presence of an object in the center and call attention to the driver. The driver can easily confirm whether or not an object such as an obstacle exists in any of them.

By the way, in the first and second embodiments, the distance sensors 31 and 32 are arranged on the left and right sides of the vehicle body, and the warning display portions 40, 45 and 70 are arranged on both the left and right sides of the high mount stop lamps 20 and 60. , 75 are incorporated, but the present invention is not limited to this, and the number of distance sensors and warning display units used is not limited. For example, as the center of the rear end of the vehicle body 11, the rear bumper 13
One distance sensor is arranged in the center of the vehicle, etc., and one warning display section is also arranged on the high mount stop lamps 20 and 60 to detect an obstacle behind the vehicle body 11 regardless of the left or right position. Then, the driver or the like may be notified by a light emission display.

The light intensity values of the LED lamps 41, 46, 92, 102 in the above-mentioned respective embodiments are based on the visibility curve based on the known Purkinje effect, and are intermediate values between the light intensity at daytime and the light intensity at night. It can be set to a degree, for example, a value corresponding to the amount of light at dusk. For this reason, it is possible to incorporate a sensor for determining day and night.
In particular, it is preferable that the detection of the light amount is configured to detect the light amount outside the vehicle for the purpose of improving the visibility of the abnormal approach warning display device located outside the vehicle.

When such a configuration is added, the light emission color of the abnormal proximity warning display device can be automatically set to blue or red depending on the difference in light amount such as day and night. That is, when the amount of light is low, such as at night or in a tunnel, the abnormal proximity warning display device is set to emit light in a bluish color that is considered to be a color that is easily visible due to the Purkinje effect, while daytime,
When the amount of light is large, the abnormal approach warning display device is set to emit light in a reddish color which is a color that is easily visible due to the Purkinje effect. As a result, the light emission color of the abnormal proximity warning display device can be set to a preferable color according to the light amount as the external environment, and the driver can always visually recognize the abnormal proximity warning display device regardless of the change in the light amount. be able to.

Then, the distance sensor 3 of each of the above embodiments
1, 32, 81, 82 may be one of an ultrasonic sensor, an optical sensor, or another proximity switch, which allows the use of sensors with characteristics that match the distance to be detected. The reliability can be improved.

Further, in each of the above-mentioned embodiments, the LED lamps 41, 46, 92 and 102 are replaced by three color LEDs 41R, 41G, 41B, 46R, 46G and 4 of red, green and blue.
6B, the LEDs 41R, 41G, 4 of these three colors are not always used as long as a plurality of colors necessary for giving a meaning such as a warning can be generated by using LEDs of different colors.
It is not necessary to use 1B, 46R, 46G, 46B,
Any one of these three colors can be used, and in this case also, the same effect can be achieved, although the types of colors that can be emitted are limited. However, three-color LED4
When 1R, 41G, 41B, 46R, 46G, and 46B are used, all colors can be generated, and the effect of widening the range of use is obtained.

In the above embodiment, when the back gear is selected as the shift position, the light emission control circuit 50,
Although power is supplied to 95 and 105 to perform the operation of FIG. 6, power is supplied to the light emission control circuits 50, 95 and 105 by turning on the ignition switch, for example, regardless of such gear selection. And may be operable.

In the abnormal approach warning display devices of the fourth and fifth embodiments, the light from the warning light emitting section 100 is directed to the rear under mirror 110 or the mirror section 1 of the back visor 120.
Because it is reflected by 12, 122, it is limited to hatchback type automobiles such as RV cars and two-box cars, but as long as the light of the warning light emitting unit 100 is visible to the driver inside the car, the warning light emission is performed. It is possible to change the positions of the unit 100 and the mirror units 112 and 122, and to adopt a configuration other than the mirror surface of the mirror units 112 and 122 as the changing means, for example, to employ a prism or other various configurations.

Further, in each of the above-described embodiments, in addition to detecting the distance to the object behind the vehicle body when the vehicle retreats and issuing a warning, the distance sensors 31, 32, 81, 82, 131 are used to measure the distance between the vehicle and the following vehicle. The distance is detected, and the warning display units 40, 45, 70, 75, 90, 140, 14 are detected according to the inter-vehicle distance.
It may be configured such that the warning is issued by 5,150. With this configuration, the inter-vehicle distance information with respect to the following vehicle can be transmitted to the driver who confirms the following vehicle by the rearview mirror.

In the first, second and sixth embodiments, the warning display portions 40, 45, 70, 75, 140, 1 are provided.
LEDs 41, 46, 14 as light sources for 45, 150
Although 1,146 and 151 are provided separately from the lamp bulb 23 which is the light source of the high mount stop lamp, these light sources are also used by the LED of the warning display section, and when the stop lamp is lit and the warning display section is lit. You may comprise so that LED may be switch-controlled. Furthermore, in this case, a configuration for detecting the following distance to the following vehicle is added, the warning display section emits a warning light according to the following distance, and the high-mount stop lamp is also turned on at the same time, so that the following vehicle is detected. A warning may be issued.

[0086]

As described above, the abnormal approach warning display device according to the first aspect is mounted near the rear end of the vehicle body and is fixed in the vehicle interior with the distance sensor for measuring the distance to the object behind the vehicle body. The high-mounted stop lamp is equipped with a warning display part consisting of LEDs that can emit light toward the passenger compartment.
The high mount stop lamp is equipped with a light emission control circuit for controlling light emission of the LED of the warning display unit according to the output of the distance sensor.

Therefore, when the vehicle moves backward for the purpose of parking or parking, the distance sensor measures the distance to the object behind the vehicle body and changes its output according to the distance. In addition, the light emission control circuit outputs L depending on the output of the distance sensor.
ED emission control, change the display state of the warning display,
The high-mounted stop lamp arranged inside the vehicle interior is illuminated by the LED of the warning display section. At this time, the driver retreats the vehicle while checking the rear over the rear window and visually recognizes the high-mount stop lamp in the field of view, so the display state of the warning display section inside the high-mount stop lamp changes. This makes it possible to obtain information about the object behind. In addition, the high-mounted stop lamp with the warning display is located in the center near the upper or lower end of the rear window, which is the part that easily attracts the driver's attention when the vehicle is moving backwards. And a highly reliable warning display can be performed. As a result, it is possible to reliably give a visual warning to the driver who is driving such as parking and parking, and the driver can confirm the distance to the object behind and accurately and safely perform the backward movement of the vehicle. And it can be done quickly.

In particular, with the recent increase in safety considerations, it is common to provide a high mount stop lamp at the rear of the vehicle body. No separate space and member is required for the installation of the parts, reducing the overall cost.

Further, since the LED and the light emission control circuit are housed inside the high mount stop lamp, the high mount stop lamp can be operated only by introducing an external power source, and the abnormal proximity warning display device can be made compact. Further, since the distance sensor is arranged near the rear end of the vehicle body, the distance to the object behind the vehicle body can be accurately measured. A high-mount stop lamp with an internal warning display is placed inside the vehicle, and the LED of the warning display is allowed to emit light toward the inside of the vehicle, improving the visibility of the warning display and transmitting information to the driver. Can be performed more reliably. Further, since only the LED and the light emission control circuit are housed inside the high mount stop lamp, and the distance sensor is separately arranged near the rear end of the vehicle body, regardless of the size of the high mount stop lamp,
As the distance sensor, a large one can be used, and the reliability of the device can be improved.

According to a second aspect of the present invention, there is provided the abnormal approach warning display device according to the first aspect, wherein the LED of the warning display section is used.
Is allowed to emit light in a plurality of colors, and the light emission control circuit changes the light emission color of the LED according to the output of the distance sensor. Therefore, in addition to the effect of the first aspect, the light emission control circuit changes the light emission color of the LED in accordance with the output of the distance sensor, and, for example, in the LE according to the distance to the rear object.
By changing and controlling D to various colors, such as changing D from blue to yellow or red, more information can be transmitted to the driver or the like.

An abnormal approach warning display device according to a third aspect is the device according to the first or second aspect, wherein the distance sensors are provided on both the left and right sides of the rear end of the vehicle body, and the distance to an object behind the vehicle body on both the left and right sides is provided. Along with making it possible to measure freely, the warning display section is provided on both left and right sides of the high mount stop lamp on the passenger compartment side, according to the outputs of the left and right distance sensors.
LEDs of the left and right warning display portions by the light emission control means
Is controlled independently. Therefore, claim 1
Alternatively, in addition to the effect of claim 2, the driver visually confirms the left and right warning display portions and confirms the light emitting states of the respective LEDs, thereby separately providing information on the objects located on the left and right sides behind the vehicle body. It is possible to obtain the retreat motion more accurately, safely and quickly.

According to a fourth aspect of the present invention, in the abnormal proximity warning display device according to the first or second aspect, the distance sensors are provided on the left and right sides and the center of the rear end of the vehicle body, and the objects on the left and right sides of the vehicle body are rearward. In addition to being able to measure the distance to the object behind the center, the warning display section is provided on both the left and right sides and in the center of the side surface of the high mount stop lamp on the passenger compartment side, and depending on the outputs of the left and right and center distance sensors, The light emission control means independently controls the light emitting diodes of the left and right and center warning display portions. Therefore, in addition to the effect of claim 1 or claim 2, the driver visually recognizes the left and right and central warning display portions, and
By confirming the light emitting state of the vehicle, it is possible to separately obtain information about the objects located on the left and right sides and the center behind the vehicle body, and it is possible to perform the backward movement more accurately, safely and quickly.

The abnormal approach warning display device according to claim 5 is mounted near the rear end of the vehicle body, has a distance sensor for measuring a distance to an object behind the vehicle body, and a case fixed at a predetermined position in the rear portion of the vehicle body. A warning display unit that is installed in the case and has an LED that can emit light toward the inside of the vehicle, and a light emission control that is installed in the case of the warning display unit and that controls the light emission of the LED according to the output of the distance sensor. And a circuit.

Therefore, when the vehicle moves backward for the purpose of parking or parking, the distance sensor measures the distance to the object behind the vehicle body and changes its output according to the distance. In addition, the light emission control circuit outputs L depending on the output of the distance sensor.
ED emission control, change the display state of the warning display,
A warning display LED fixed at a predetermined position on the rear of the vehicle interior emits light to the interior of the vehicle. At this time, the driver retreats the vehicle while checking the rear through the rear window and visually recognizes the warning display section within the field of view, so that the display state of the LED installed in the case of the warning display section changes, You can get information about objects behind you. In addition, LED
The interior warning display is more effective because it is fixed at the rear part of the vehicle, which is the part where it is easy to draw the driver's attention when the vehicle is moving backwards, such as the center of the upper or lower end of the rear window. It is possible to exert various warning functions, and it is possible to perform highly reliable warning display. As a result, it is possible to reliably give a visual warning to the driver who is driving such as parking and parking, and the driver can confirm the distance to the object behind and accurately and safely perform the backward movement of the vehicle. And it can be done quickly.

In addition, an LED is provided inside the case of the warning display.
Further, since the light emission control circuit is housed, it can be operated only by introducing an external power source, and the abnormal proximity warning display device can be made compact. Further, since the distance sensor is arranged near the rear end of the vehicle body, the distance to the object behind the vehicle body can be accurately measured. Since the case of the warning display unit is arranged inside the vehicle and the LED of the warning display unit is allowed to emit light toward the inside of the vehicle, the visibility of the warning display unit is improved and the information is more reliably transmitted to the driver. be able to. Further, since only the LED and the light emission control circuit are accommodated inside the case of the warning display part, and the distance sensor is separately arranged near the rear end of the vehicle body, the distance is irrelevant regardless of the size of the warning display part. A large sensor can be used as the sensor, and the reliability of the device can be improved.

An abnormal approach warning display device according to claim 6 is mounted near the rear end of the vehicle body, and has a distance sensor for measuring a distance to an object behind the vehicle body, and a housing portion provided near the rear end of the vehicle body. An L which is internally installed in the housing and is capable of emitting light of a predetermined color upward so as to be substantially parallel to the rear surface of the vehicle body.
A warning light emitting part having a condensing lens that collects the emitted light of the ED and the LED and guides it upward, and a warning light emitting part, which is housed in the accommodating part of the warning light emitting part, and which corresponds to the output of the distance sensor.
A light emission control circuit for controlling the light emission of the LE, and an LE that is condensed by the condenser lens at a substantially upper end position of the rear surface of the vehicle body.
It is provided on the path of the emitted light of D and is provided with a diverting means for diverting and guiding the emitted light of the LED to the inside of the vehicle.

Therefore, when the vehicle moves backward for the purpose of parking or parking, the distance sensor measures the distance to the object behind the vehicle body and changes its output according to the distance. In addition, the light emission control circuit outputs L depending on the output of the distance sensor.
The ED is controlled to emit light, the LED emits light of a predetermined color, the condenser lens collects the emitted light of the LED, and the light is emitted upward in a state substantially parallel to the rear surface of the vehicle body. After that, the collected emitted light is redirected toward the inside of the vehicle by the redirecting means on the route at the state position of the rear surface of the vehicle body, is incident on the inside of the vehicle, and is visible to the driver. . That is, the light emitting state of the warning light emitting portion is changed according to the output of the distance sensor, and the light in the light emitting state is incident by the deflecting means toward the inside of the vehicle. At this time, the driver retreats the vehicle while confirming the rear through the rear window and visually recognizes the changing means in the field of view, so the driver confirms the change in the light emitting state of the warning light emitting part through the changing means. It is possible to obtain information about objects behind. Further, since the deflecting means for injecting the light from the warning light-emitting part into the vehicle is located at substantially the upper end of the rear window, which is a portion where the driver can easily see the rear when the vehicle moves backward, it is a more effective warning. The function can be exerted, and highly reliable warning display can be performed. As a result, it is possible to reliably give a visual warning to the driver who is driving such as parking and parking, and the driver can confirm the distance to the object behind and accurately and safely perform the backward movement of the vehicle. And it can be done quickly.

Further, the LED is provided inside the accommodating portion of the warning light emitting portion.
Further, since the light emission control circuit is housed, it can be operated only by introducing an external power source, and the abnormal proximity warning display device can be made compact. Further, since the distance sensor is arranged near the rear end of the vehicle body, the distance to the object behind the vehicle body can be accurately measured. Further, since the deflecting means for guiding the light from the warning light emitting portion to the inside of the vehicle is arranged on the substantially upper end of the rear surface of the vehicle body which is easily visible from the inside of the vehicle, the light from the LED of the warning light emitting portion is turned toward the inside of the vehicle. The light from the warning light emitting portion can be easily confirmed by the deflecting means, and the information can be more reliably transmitted to the driver. Further, since only the LED and the light emission control circuit are accommodated inside the accommodating portion of the warning light emitting portion, and the distance sensor is separately arranged near the rear end of the vehicle body, regardless of the size of the warning light emitting portion, A large distance sensor can be used, and the reliability of the device can be improved.

In the abnormal approach warning display device according to a seventh aspect of the present invention, in the configuration of the fifth or sixth aspect, the LEDs of the warning light emitting section can freely emit light of a plurality of colors, and the light emission control circuit outputs the distance sensor. Accordingly, the emission color of the LED is changed. Therefore, in addition to the effect of claim 5 or claim 6, according to the output of the distance sensor,
The light emission control circuit changes the light emission color of the LED, for example, changes the color of the LED from blue to yellow or red according to the distance to the rear object, and performs change control to various colors, and through the diverting means. More information can be transmitted to the driver or the like.

An abnormal approach warning display device according to an eighth aspect is the display device according to the sixth aspect, wherein the deflecting means comprises a mirror surface of a mirror portion of a rear under mirror attached to the upper end of the rear surface of the vehicle body. The LED by the mirror surface of the part
The emitted light is reflected and redirected to the inside of the vehicle.

Therefore, in addition to the effect of the sixth aspect, the mirror section of the rear under mirror functions as a diverting means for diverting the light from the warning light emitting section toward the inside of the vehicle, and other special construction is required. Therefore, a separate member is not required as the diverting means, and the space required for installing such a member can be omitted, so that the overall cost can be reduced.

An abnormal approach warning display device according to a ninth aspect is the mirror member according to the sixth aspect, wherein the deflecting means is mounted in a space formed on an inner surface of a back visor mounted on an upper end of a rear surface of a vehicle body. The mirror surface of the mirror member reflects and redirects the light emitted from the LED toward the inside of the vehicle.

Therefore, in addition to the effect of the sixth aspect, in the space where the mirror member functions as a diverting means for diverting the light from the warning light emitting portion toward the inside of the vehicle, the space inside the back visor is formed. No special space is required to install the mirror member. In addition, since the mirror member is shielded from the outside by the back visor, there is no possibility that the aerodynamic characteristics are deteriorated by the mirror member and the overall design is impaired.

[Brief description of drawings]

FIG. 1 is a rear view showing an automobile to which an abnormal approach warning display device according to a first embodiment of the present invention is applied.

FIG. 2 is a side view showing an automobile to which the abnormal proximity warning display device according to the first embodiment of the present invention is applied.

FIG. 3 is a front view showing the inside of an automobile to which the abnormal proximity warning display device according to the first embodiment of the present invention is applied.

FIG. 4 shows a schematic configuration of a high mount stop lamp embodying the abnormal proximity warning display device according to the first embodiment of the present invention, and FIG. 4 (a) shows the warning display part side of the high mount stop lamp. The front view shown in FIG. 1B is a side view of the high mount stop lamp.

FIG. 5 is a block diagram showing an electrical configuration of the abnormal proximity warning display device according to the first embodiment of the present invention.

FIG. 6 is a flowchart showing the overall operation of the abnormal proximity warning display device according to the first embodiment of the present invention.

FIG. 7 is a perspective view schematically showing a high mount stop lamp embodying an abnormal approach warning display device according to a second embodiment of the present invention.

FIG. 8 is a perspective view showing a rear side of an automobile to which the abnormal proximity warning display device according to the third embodiment of the invention is applied.

FIG. 9 is a rear view showing an automobile to which the abnormal proximity warning display device according to the third embodiment of the present invention is applied.

FIG. 10 is a perspective view showing a vehicle rear side of an automobile to which an abnormal approach warning display device according to a third embodiment of the present invention is applied.

FIG. 11 is a side view showing a warning display portion of the abnormal approach warning display device according to the third embodiment of the present invention.

FIG. 12 is a perspective view showing a rear side of an automobile to which an abnormal approach warning display device according to a fourth embodiment of the present invention is applied.

FIG. 13 is a rear view showing an automobile to which the abnormal proximity warning display device according to the fourth embodiment of the present invention is applied.

FIG. 14 is a side view showing a rear side of a vehicle to which an abnormal approach warning display device according to a fourth embodiment of the present invention is applied.

FIG. 15 is a side view showing a warning light emitting portion of an abnormal approach warning display device according to a fourth embodiment of the present invention.

FIG. 16 is a side view showing a rear side of an automobile to which an abnormal approach warning display device according to a fifth embodiment of the present invention is applied.

FIG. 17 is a rear view showing an automobile to which the abnormal proximity warning display device according to the sixth embodiment of the present invention is applied.

FIG. 18 is a front view showing a warning display portion side of a high mount stop lamp embodying an abnormal approach warning display device according to a sixth embodiment of the present invention.

[Explanation of symbols]

11 vehicle body 20,60 high mount stop lamp 31, 32, 81, 82, 131 distance sensor 40, 45, 70, 75, 90, 140, 145, 15
0 warning display section 41, 46, 92, 102, 141, 146, 151
LED lamp 41R, 46R Red LED 41G, 46G Green LED 41B, 46B Blue LED 100 Warning light emitting section 110 Rear under mirror 112 Mirror section 120 Back visor 122 Mirror section

Claims (9)

[Claims] 1. A light emitting device which is mounted near a rear end of a vehicle body and which is internally mounted on a distance sensor for measuring a distance to an object behind the vehicle body and a high-mount stop lamp fixed in the vehicle interior so as to emit light toward the inside of the vehicle. An abnormal approach warning display device, comprising: a warning display unit including a diode; and a light emission control circuit that controls light emission of a light emitting diode of the warning display unit according to an output of the distance sensor. 2. The light emitting diode of the warning display section is allowed to emit light of a plurality of colors, and the light emission control circuit changes the light emitting color of the light emitting diode according to the output of the distance sensor. Abnormal approach warning display device described. 3. The distance sensors are provided on both the left and right sides of the rear end of the vehicle body so that the distance to an object on the left and right sides of the vehicle body can be measured freely, and the warning display section is provided on the cabin side of the high mount stop lamp. The light emitting diodes of the left and right warning display portions are independently controlled by the light emission control means provided on both right and left sides of the side surface according to the outputs of the left and right distance sensors. Abnormal approach warning display device described. 4. The distance sensors are provided on both the left and right sides and the center of the rear end of the vehicle body so as to be able to measure the distances to the objects on the left and right sides of the vehicle body and the objects on the rear side of the center, and the warning display portion is provided on the high side. The mount stop lamps are provided on the left and right sides and in the center of the side surface on the passenger compartment side, and the light emitting diodes of the left and right and center warning display sections are independently controlled by the light emission control means according to the outputs of the left and right and center distance sensors. The abnormal proximity warning display device according to claim 1 or 2. 5. A distance sensor that is mounted near the rear end of the vehicle body and measures the distance to an object behind the vehicle body, a case fixed at a predetermined position in the rear part of the vehicle interior, and a case that is internally mounted in the case and is provided inside the vehicle body. An abnormal approach warning display device, comprising: a warning display unit having a light emitting diode capable of freely emitting light toward the light emission control unit; and a light emission control circuit for controlling light emission of the light emitting diode according to the output of the distance sensor. 6. A distance sensor mounted near the rear end of the vehicle body, for measuring a distance to an object behind the vehicle body, a housing portion provided near the rear end of the vehicle body, and an interior portion of the housing portion. A warning light emitting portion having a light emitting diode having directivity capable of emitting light of a predetermined color upward so as to be substantially parallel to the rear surface, and a light emission control circuit for controlling light emission of the light emitting diode according to the output of the distance sensor. And a diverting means which is located at the upper end position of the rear surface of the vehicle body and on the path of the emitted light having the directivity of the light emitting diode, and which guides the emitted light of the light emitting diode by redirecting it to the inside of the vehicle. An abnormal approach warning display device, comprising: 7. The light emitting diode of the warning light emitting section is allowed to freely emit light of a plurality of colors, and the light emission color of the light emitting diode is changed by the light emission control circuit according to the output of the distance sensor. The abnormal approach warning display device according to claim 6. 8. The redirecting means is a mirror surface of a mirror portion of a rear under mirror attached to an upper end of a rear surface of a vehicle body, and the mirror surface of the mirror portion reflects and redirects light emitted from the light emitting diode toward the inside of the vehicle. The abnormal approach warning display device according to claim 6, wherein the abnormal proximity warning display device is guided. 9. The diverting means is a mirror surface of a mirror portion mounted in a space formed on an inner surface of a back visor mounted on an upper end of a rear surface of a vehicle body, and the mirror surface of the mirror portion allows light emitted from the light emitting diode to be emitted. The abnormal approach warning display device according to claim 6, wherein the vehicle is reflected and redirected toward the inside of the vehicle.