DE102017010164A1 - Device for displaying warnings and warnings on vehicles - Google Patents

Abstract

The invention relates to a device for displaying warnings and warnings on vehicles, in particular for warning vehicle drivers who are approaching a source of danger at high speed.
The task is to make sources of danger in traffic visible in good time to prevent accidents.
According to the invention, the object is achieved by spraying a reflection gas vertically above the vehicle over vehicles through at least one gas nozzle (22) and exciting it with the aid of two laser sources. These laser sources (10) are mounted at an angle of inclination, so that in about 6 m above the vehicle (11), a common point of intersection (2) within the reflection gas volume (1) is formed and thus brings the reflection gas to light. By this reflection gas volume (1) greater attention and concentration of the following drivers to be achieved

Description

The invention relates to a device for displaying warnings and warnings on vehicles, in particular for identifying accidents and sources of danger, preferably for motor vehicles left lying on highways, but also in addition to or as a substitute for the warning triangle.

In a dangerous situation in traffic, such as in a breakdown or accident, a driver must currently turn on the warning of the following road users the hazard warning lights system and depending on the traffic situation set up a warning triangle at a distance behind the vehicle.

The existing present in vehicles hazard warning lights are unfortunately often very low. In many cases, for. As in traffic jams, these are hidden by people or vehicles behind it. In addition, it comes at night and in the rain by oncoming vehicles on the opposite lane to strong glare.

Dangerous situations arise in which motorists can not correctly recognize or assess the traffic or dangerous situations ahead. In addition, hazards arise from the fact that the German Road Traffic Regulations require, depending on the existing traffic situation and traffic situation, to set up a warning triangle 50 m to 500 m behind the danger spot or the vehicle that has been left standing. Unfortunately, this saves a lot of time, which is urgently needed at the accident or accident site, in order to provide any injured persons or to call the emergency call center. In addition, the setting up of the warning triangle, especially in the dark or in poor visibility, for the driver or the vehicle occupants the risk of even being injured.

The invention is based on the object, danger spots in traffic safely and widely visible to the following vehicle traffic and early to identify dangerous situations to warn subsequent traffic participants and to reduce the risk potential. In particular, people should not unnecessarily put in danger at high traffic to set up the warning triangle at night or poor visibility.

According to the invention the object is achieved in a device for displaying warnings and warnings about vehicles in that in a nozzle plate at least one gas nozzle for ejecting a reflection nebula is incorporated, wherein the at least one gas nebuliser with a reflection gas container for providing a reflection gas for a reflection gas volume in combination is that at least two laser sources with laser beams having an angle of inclination to each other and thus have a common point of intersection above the central ejection direction of the at least one gas nozzle, wherein the inclination of the laser beams, a height of the intersection point for the excitation of the reflection gas volume is defined, and that Control electronics for the coordination of reflection gas ejections and laser beam emission is present.

Advantageously, the inclination angle of the laser beams can be preset in order to be able to select the height of the common intersection point for the reflection gas excitation in a reflection gas volume in accordance with the road situation.

Expediently, three gas nozzles are arranged distributed in the nozzle plate about a mean surface normal of the nozzle plate whose average ejection direction along the central surface normal are directed to a point which corresponds to the common point of intersection of the laser beams or higher. In this case, the nozzle plate with the three gas mist nozzles is preferably rotatable about the average surface normal of the nozzle plate.

It proves to be advantageous if by means of the inclination adjustment of laser beams and gas nozzles for the reflection gas excitation of a reflection gas volume of at least 0.5 m diameter in 3 m to 6 m height above the ground or vehicle are adjustable.

In a preferred embodiment of the invention, lasers with a divergent beam cross section are used as laser sources in order to produce a beam cross section of at least 0.5 m at the common point of intersection.

Advantageously, the laser beams have different spectral colors in order to achieve a higher color intensity.

The laser sources expediently have pulsed laser beams with a defined pulse rate.

The gas nozzles are expediently connected to a reflection gas pressure vessel via at least one solenoid valve for intermittent reflection gas ejection from the gas nozzles. In this case, the reflection gas emission of all gas nozzles can be triggered with each other. The reflection gas output of the gas mist nozzles is preferably synchronized with at least one laser pulse rate of the laser sources.

In a particularly compact embodiment of the invention, the laser sources, nozzle plate, control electronics and reflection gas pressure vessel are housed in a special signal box, wherein preferably the box has a magnetic disk for securing the box on the vehicle roof.

As laser sources are preferably laser of the danger classes 1 / 1M and 2 / 2M with divergent beam cross section used, which generates a beam cross section of at least 0.8 m at a distance of 6 m.

An inert gas, an oxygen mixture, liquefied breathing air or a carbon dioxide mixture can preferably be used as the reflection gas.

With the invention, it is possible to make in hazardous or emergency situations, with a few simple steps on the vehicle sufficient identification of the danger point, without the need for long distances with personal injury in the installation of the warning device are required. In addition, the warnings are made high above the danger point so that they are visible from afar and can not be completely or partially obscured by vehicles behind them.

• 1: eine Prinzipdarstellung der Erfindung, bei der die Grundelemente der Erfindung als schematische Einheit dargestellt sind,
• 2: eine erste Ausführungsvariante der Erfindung, bei der die erfindungsgemäße Vorrichtung in einem Gehäuse an einem Fahrzeug im Fahrzeugdach oder in der Heckklappe installiert ist,
• 3: eine zweite Ausführungsvariante der Erfindung, bei der die erfindungsgemäße Vorrichtung als separate Signalbox ausgeführt ist, die im Fahrzeug mitgeführt und bei einer Gefahrensituation auf oder neben dem Fahrzeug oder an jeder beliebigen Gefahrenstelle aufgestellt werden kann,
• 4: eine dritte Ausführungsvariante der Erfindung, bei der die erfindungsgemäße Vorrichtung, als Einzelkomponenten im Fahrzeugdach oder der Heckklappe integriert sind und die Laserquellen weiter außen am Fahrzeug angebracht sind, um den Schnittpunkt in der Höhe besser ausrichten zu können.

The invention will be explained below with reference to exemplary embodiments. The drawings show:

• 1 FIG. 2 is a schematic diagram of the invention, in which the basic elements of the invention are shown as a schematic unit, FIG.
• 2 a first embodiment variant of the invention, in which the device according to the invention is installed in a housing on a vehicle in the vehicle roof or in the tailgate,
• 3 a second embodiment of the invention, in which the device according to the invention is designed as a separate signal box, which can be carried in the vehicle and placed in a dangerous situation on or next to the vehicle or at any danger point,
• 4 a third embodiment of the invention, in which the device according to the invention, are integrated as individual components in the vehicle roof or the tailgate and the laser sources are further attached to the outside of the vehicle to better align the intersection in height can.

In a basic variant, as in 1 illustrated, the device consists of a nozzle plate 21 , in the at least one gas nebula 22 for expelling a reflection gas volume 1 is incorporated, with the gas nozzle 22 with a reflection gas pressure vessel 24 for providing a reflection gas for the volume of reflection gas 1 communicates, two laser sources 10 , their laser beams 4 have a tendency to each other and a common point of intersection 2 above the middle ejection direction 5 the at least one gas nebuliser 22 have, wherein by the inclination of the laser beams 4 a height of the intersection 2 for the excitation of the reflection gas volume 1 is defined, and an electronic control system 12 for the coordination of reflection gas ejection and laser emission. The laser beams 4 are slightly divergent and diverge so far that in the desired height of the illuminated reflection gas volume 1 a beam cross-section of at least 0.5 m, preferably greater than 0.8 m, is achieved.

• - Sauerstoffgemischdruckflasche (z.B. 0,8 Liter) mit flüssigem Sauerstoff.
• - Atemluftdruckflasche (z.B. 0,8 Liter) mit flüssiger Sporttaucheratemluft,
• - Druckflasche mit einem flüssigen Kohlendioxidgemisch, wie sie z.B. von der Fa. Linde für Lasershows angeboten wird,
• - Inertgasdruckflasche (z.B. Stickstoff, Argon).

For the formation of a reflection gas volume 1 There are various gases to choose from, which are available in reflection gas pressure vessels 24 or liquefied gas pressure bottles are commercially available.

• - Oxygen mixture pressure bottle (eg 0.8 liter) with liquid oxygen.
• - breathing air pressure bottle (eg 0.8 liter) with liquid scuba breathing air,
• - Pressure bottle with a liquid carbon dioxide mixture, as offered for example by the company. Linde for laser shows,
• - inert gas pressure bottle (eg nitrogen, argon).

• 1. Atemluft: -170 °C; 2. Sauerstoff: -180 °C; 3. CO₂: -78,5 °C.

The mentioned pressure vessels are designed to 200 bar and usually with a brand regulator with shut-off valve 15 and solenoid valve 17 fitted. The liquefied gases have their boiling or vaporization point at the following temperatures:

• 1. Breathing air: -170 ° C; 2. oxygen: -180 ° C; 3. CO ₂ : -78.5 ° C.

During the expansion of the liquefied gas, if this through the gas nebulizer 22 When the water comes out, (according to Mollier's hx diagram) there is a very high level of moisture absorption of the ambient air, resulting in the formation of a high moisture fog, which is particularly effective as a "reflection wall" for displaying warning and signal indications.

Should there be partial reflection gas holes due to strong wind over the roadway, the smog above the carriageway (especially in traffic jams) can also replace the "reflection wall".

The strength of the laser diodes 10 is not above the laser hazard class 1 / 1 M, 2/2 M and thus out of harm or endangerment for humans.

The beam divergence of the laser diodes 10 is preferably 0.175 rad to reach a desired beam cross-section of about 0.8 m at a height of about 6 m above the vehicle.

example 1

According to 2 is in the vehicle roof 8th or in the upper part of the tailgate 9 of the vehicle 11 a flat housing 20 installed in the two laser sources 10 with two laser diodes and a gas nozzle 22 are located.

The reflection gas becomes perpendicular at intervals along a mean surface normal 6 the nozzle plate 21 blown up and form there with the laser beams 4 a volume of reflection gas 1 at a common crossing point 3 ,

The reflection gas mist excitation that forms can be preset in height during assembly in accordance with the vehicle type and lies in the center along a mean surface normal 6 the nozzle plate 21 between 3 m to 6 m above the vehicle roof 8th ,

This example is located in the rear of the vehicle 11 a gas pressure bottle 14 with a brand pressure regulator 16 , a solenoid valve 17 , a shut-off valve 15 and a power supply 13 and an electronic control system 12 ,

The hazard warning system is switched on manually at the dashboard of the vehicle 11 , wherein with the switching on of the system itself on the vehicle roof 8th or tailgate 9 a box protection cover 7 opens.

A 3 to 6 m above the vehicle roof 8th projected (illuminated) reflection gas volume 1 can be seen according to the road or traffic situation, already in 150 m to 2500 m distance. This greatly increases the distance to the danger spot, in which a driver is alerted to the danger ahead. A distraction at the moment eg by radio, telephone call, view in the rearview mirror or other, can be compensated thereby temporally. There is a lot more time to prepare and react in time to the danger ahead. By timely speed reduction, one can concentrate better and faster on the formation of a rescue lane. Above all, trucks can consistently take the right lane in good time.

Example 2

As shown by 3 is as a portable warning and hazard signal box 25 realized and consists in this case of a rotating nozzle plate 21 , in the three gas nebulas 22 around a mean surface normal 6 the nozzle plate 21 distributed at an angle were incorporated, with the help of a compact reflection gas volume 1 is formed. By two laser sources 10 With two color filters each (in this case specifically red and blue) one achieves a higher color intensity and thus more attention of the road users by the laser beams 4 , With a rotary knob, the angle of the laser sources 10 be adjusted by hand, according to the location of the box 25 (Only at 3 the laser angle can be readjusted constantly).

By simple manual differently adjustable beam angle (inclination of the laser beams 4 ) can be the height of the intersection 2 the laser beams for generating the reflection gas volume 1 be set according to the road situation defined.

In the box 25 There is a 12 volt battery 29 and a reflective gas tank 24 , with shut-off valve 15 , Pressure regulator 16 and at least one solenoid valve 17 to the individual gas mist nozzles 22 intermittently by means of the control electronics 12 head for.

At the signal box 24 is the charging port 27 with an on / off switch 26 coupled. In the box 25 is preferably on the ground a magnetic disk 28 arranged, with whose help the box 25 on the vehicle roof 8th is held. For the protection of the car paint is at the bottom of the signal box 25 protector 23 appropriate.

The portable signal box 25 can also be put on the road. There is a slightly below the signal box 25 attachable housing rack available, which also serves as protection when stowing the signal box 25 serves. The portable signal box 25 can replace the warning triangle. It can be placed on the road immediately behind or next to the accident site and saves the dangerous and time-consuming passage on the road from up to 500 m behind the accident or danger point. This time can be used more meaningfully to call ambulances or to take care of the injured and to provide first aid. The signal box 25 can be placed directly on the road and, if this is not possible, also on the vehicle roof 8th or on the tailgate 9 of the vehicle 11 be positioned. A protective film 23 is under the signal box 25 attached to the paint of the vehicle 11 not to damage.

Example 3

Another variant of the invention is in 4 shown. It is up to the omission of the housing 20 with the laser sources 10 With 2 identical.

The two laser sources 10 are on the outside of the vehicle 11 or the tailgate 9 laid. Both laser sources 10 with two laser diodes are preset at an angle according to the different vehicle types during assembly. This allows one to better align the laser beams 4 reach in height to the intersection 2 suitable to adjust. This is especially important when retrofitting the system.

The two laser sources 10 with the laser diodes are for protection under glass hemispheres.

The reflection gas also in this example becomes at intervals perpendicular along a mean surface normal 6 the nozzle plate 21 blown up and forms there from several gas nebulas 22 a volume of reflection gas 1 at a common crossing point 3 , which coincides with the intersection of the laser beams 4 may coincide or deviate by being above or below the point of intersection 2 lies. The several gas mist nozzles 22 can also by means of the nozzle plate 21 be moved in rotation to achieve a Gasverwirbelung, the reflection gas volume 1 can make it more compact.

The forming reflection gas excitation can be preset in height during assembly according to the type of vehicle and lies in the center along a mean surface normal 6 the nozzle plate 21 between 3 m to 6 m above the vehicle roof 8th , In reflection gas excitation, different laser diodes are used as laser sources in this case 10 used with different spectral colors, mainly in the red and in the blue spectral range, emit and thus achieve a higher color intensity.

In addition, in this embodiment of the invention, the individual gas mist nozzles 22 triggered by each other, resulting in the control electronics 12 is controlled and can be used to flicker and thus more conspicuous appearance of the reflection gas volume 1 to generate.

This example is located in the rear of the vehicle 11 as already too 2 described, a gas pressure bottle 14 with a brand pressure regulator 16 , a solenoid valve 17 , a shut-off valve 15 and a power supply 13 and an electronic control system 12 ,

LIST OF REFERENCE NUMBERS

1

Reflection gas volume

2

Intersection (the laser beams)

3

Intersection point (the ejection direction of the reflection gas nozzles)

4

laser beams

5

middle ejection direction (the reflection gas nozzle)

6

mean surface normal (the nozzle plate)

7

Boxing protective cover

8th

vehicle roof

9

vehicle tailgate

10

laser source

11

vehicle

12

control electronics

13

power supply

14

Gas bottle

15

shut-off valve

16

pressure regulator

17

magnetic valve

18

flexible armored hose

19

Control and power supply cables

20

Housing (for laser sources + gas mist nozzle)

21

nozzle plate

22

Gasnebeldüse

23

protector

24

Reflection gas pressure vessel (with pressure regulator, shut-off and solenoid valve)

25

Signal box (for nozzle plate, laser sources, control electronics and gas pressure vessels)

26

On / off switch

27

charging port

28

magnetic disc

29

battery pack

Claims (13)

Device for displaying warnings and warnings on vehicles comprising: - a nozzle plate (21), in which at least one gas nozzle (22) for ejecting a reflection gas volume (1) is incorporated, wherein the at least one gas nozzle (22) with a reflection gas pressure vessel (24 ) to provide a Reflection gas for the reflection gas volume (1) is in communication, - at least two laser sources (10) with laser beams (4) having an inclination to each other and a common intersection (2) above the central ejection direction (5) of the at least one gas nebulizer (22) , wherein by the inclination of the laser beams (4) a height of the intersection (2) for the excitation of the reflection gas volume (1) is defined and - control electronics (12) for the coordination of reflection gas ejection and laser beam emission. Device after Claim 1 , wherein the inclination angle of the laser beams (4) are presettable to the height of the common intersection point (2) for the reflection gas excitation in a reflection gas volume (1) to select according to the road situation. Device after Claim 1 , wherein a mean surface normal (6) of the nozzle plate (21) at least three gas nozzles (22) are arranged distributed in the nozzle plate (21) whose average ejection direction (5) along the mean surface normal (6) directed to a crossing point (3) are the common point of intersection (2) of the laser beams (4) or higher. Device after Claim 3 , wherein the nozzle plate (21) with the at least three gas mist nozzles (22) is designed to rotate around the mean surface normal (6) of the nozzle plate (21). Device according to one of Claims 2 to 4 , wherein by means of the inclination adjustment of laser beams (4) and gas mist nozzles (22) for the reflection gas excitation of a reflection gas volume (1) of at least 0.5 m diameter in 3 m to 6 m height above the road or the vehicle (11) are adjustable. Device after Claim 1 in which lasers with a diverging beam cross section are used as laser sources (10) in order to produce a beam cross section of at least 0.5 m in the common intersection point (2). Device after Claim 1 wherein the laser sources (10) have different spectral colors to achieve a higher color intensity. Device after Claim 1 wherein the laser sources (10) comprise pulsed laser beams (4) at a defined pulse rate. Device after Claim 8 , wherein the reflection gas ejection of all gas mist nozzles (22) is triggered with each other. Device after Claim 8 or 9 wherein the reflection gas output of the gas mist nozzles (22) is synchronized with at least one laser pulse rate of the laser sources (10). Device after Claim 1 , Laser sources (10), nozzle plate (21), control electronics (27) and reflection gas pressure vessel (24) are housed in a special signal box (25). Device after Claim 11 wherein the signal box (25) comprises a magnetic plate (28) for mounting the signal box (25) on the vehicle roof (8). Device after Claim 1 , wherein as inert gas, an inert gas, an oxygen mixture, a carbon dioxide mixture or liquefied breathing air is used.

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