RU2264309C2 - Road vehicle signaling device - Google Patents

Abstract

FIELD: transport engineering.

SUBSTANCE: invention relates to light signaling devices to be installed on vehicle to indicate braking and as front rear direction indicators, backing light, etc. Proposed device contains housing accommodating wiring board with light-emitting diodes whose axial lines are square to plane of board in places of attachment, and with outlet hole covered by transparent element connected with housing through gaskets. Wiring board with light emitting diodes consists of several flat section tilted at different angles relative to each other. Flat middle of board and flat edges bent through different angles are used as flat sections of wiring board. Each flat section of wiring board is attached to device housing. Used as transparent element is part chosen from group of glass or plastic parts, namely diffuser, refractor, lens, frosted sheet which are hermetically connected with housing through gaskets pressed to walls from two sides. Signaling device uses light-emitting diodes radiating different color beams. Separated current conductors are laid to light emitting diodes of one color.

EFFECT: provision of light device with required light distribution mechanically protected by transparent partitions.

5 cl, 6 dwg

Description

The invention relates to light-signal devices and is intended for installation on vehicles with the purpose of indicating a brake signal, as well as front and rear direction indicators, reversing lights, etc.

A large number of various designs of automotive lighting devices are known, for example [1]. It had a round mounting plate with LEDs mounted perpendicular to its plane. On the reverse side of the board, a printed circuit was made. The board was placed in a cylindrical case, the outlet opening of which was blocked by a dome refracting and radiation-scattering glass. The disadvantage of this device is the constant light distribution, which can vary slightly only when replacing the dome diffuser.

The prototype of the invention is the design of the light-signaling device in which the LEDs are placed on a flat or curved surface. They are mounted on the circuit board so that their center lines are perpendicular to the plane of the board at the installation site. The disadvantages of the design with a completely flat mounting plate are that it is impossible to create the necessary light distribution, since the width of the curves differs slightly from the curve of a single LED. If the circuit board has a complex volumetric configuration of the surface on which the LEDs are mounted, then it is not possible to accurately determine the angles of inclination of a particular place on the board selected for the LED. Because of this, it is difficult to create a device with the desired light intensity curve [2].

In addition, if a vehicle warning device is attached to the front wall of the trailer, there is a risk of damage by stones flying out from under the wheels of the front vehicle.

The aim of the invention is to eliminate these disadvantages and the creation of motor vehicles with radiation in the half-space with a given light distribution and mechanically protected transparent partition.

This goal is achieved by the fact that in an automotive signal light containing a housing with one or more light sources placed in it on a circuit board, the axial lines of which are perpendicular to its plane at the fixing points and with an exit opening blocked by a transparent element located inside the metal fence, the mounting the board is made of flat sections with light sources, for example LEDs, on each of them inclined to each other at different angles, and as a metal fence tions used grille coated with a reflective layer of rods and / or tubes attached to a wall of the vehicle via flat springs and repeating septum shape.

The achievement of this goal is also facilitated by the fact that as a flat sections of the circuit board used its flat middle and flat bent at different angles of its edges.

The goal can be achieved by the fact that each flat section of the circuit board is attached to the body of the fire.

The technical problem is also solved by the fact that a part selected from the group of glass or plastic parts is used as a transparent element: a diffuser, a refractor, a lens, a frosted sheet, which are hermetically connected to the body using gaskets pressed against the walls on both sides.

The task is also solved by the fact that LEDs with different color radiation are used in the signal fire, and separate current-carrying wires are connected to the assembly of LEDs of the same color.

The main structural features of the proposed technical solution are illustrated in the drawings.

Figure 1. Automobile signal light on LEDs without a metal fence (side view, partially in section).

Figure 2. Top view of the signal light with LEDs and removed metal grill and transparent diffuser.

Figure 3. Fragment of a circuit board of several flat sections with LEDs.

Figure 4. Road signal light without a metal grill (side view, partially in section) with the fastening of flat sections of the circuit board with LEDs to the body.

Figure 5. Sectional side view of a three-color automotive signal light without a metal grill.

6. Motor vehicle signal light with an incandescent lamp and a metal grill (partially cutaway).

Shown in FIG. a motor vehicle signal light contains a metal or plastic case 1, which is closed on top with a transparent plastic diffuser 2. Inside the case 1, there is a mounting plate with a flat middle 3 and flat edges 4 and 5 bent to it at angles α and β. In sections 3, 4 and 5 of the mounting the boards are fixed with LEDs 6, 7, 8, 9, 10 and 11, to which the electrical installation 12 is connected from below. The device is electrically powered by wires 13 and 14.

A top view of the signal light with LEDs and a removed transparent diffuser is shown in Fig.2. In the housing 15 there is a mounting plate with a flat middle 16 and curved extreme flat edges 17, 18, 19 and 20 at different (calculated) angles. LEDs are located on them, some of which are indicated by the numbers 21, 22, 23, 24 and 25.

Figure 3 shows a fragment of the circuit board, consisting of three flat sections 26, 27 and 28 with LEDs 29, 30, 31 and 32. Flat sections 26 and 27 are inclined to section 28 at different angles, respectively, γ and θ.

A variant of a motor signal light is shown in FIG. 4. LEDs 35, 36, 37, 38 and 39 are installed in the housing 33, which is closed on top with a flat diffuser 34, on the flat sections 40, 41, 42, 43, and 44 of the mounting plate, which are attached to the housing 33 using fasteners 45, 46, 47 , 48 and 49. The current lead to the LEDs is carried out using wires 50 and 51.

Figure 5 shows a cross section of a motor signal light, consisting of LEDs emitting three different colors. A transparent plastic diffuser 53 is placed on top of the plastic case 52. Inside the case 52, cells 54, 55 and 56 are located, each of which consists of three flat sections, for example 57, 58 and 59 of a mounting plate with LEDs 60 of the same color. Three cells contain LEDs of different colors. Cell 54 is red, 55 is white, and 56 is yellow. In each cell, a connecting installation of the LED leads is made, indicated by the number 61 in cell 55, and the conductors 62 in this cell are brought out of the housing 52 through seals 63.

Figure 6 shows a motor signal light 1, consisting of a plastic housing 2 and a transparent plastic diffuser 3, connected to each other by two screws 4, the holes for which are made in the diffuser and the housing (with thread). The metal grill 6 in four places connected to the ends of the flat springs 7. The springs themselves are in the form of a zigzag. The second ends of the springs are attached to the bottom wall of the vehicle together with the housing 2 through openings located at the end of the housing. In the middle of the case there is a cartridge into which an incandescent lamp is inserted 5. The axial lines of it and of the cartridge are perpendicular to the plane on which the cartridge is mounted.

The operation of the described device is as follows.

When a vehicle signal light is switched on to a 24-28 V power system, a lamp or LEDs light up, which are mounted on different sections of the circuit board that are inclined to each other. This creates a wide light distribution. The angles of inclination of the sections of the circuit board to each other are calculated in accordance with the required light distribution of the device and the used transparent elements: diffuser, refractor, etc. When LEDs with different colors of radiation are used in a motor signal light: red, yellow, white with an autonomous electrical inclusion of each color signal separately, there are increased capabilities in signaling a motor vehicle.

The metal grille, which protects the transparent element of the signal light from destruction upon impact of stones, is attached to four devices of flat springs in the form of flat ribbons curved in the form of a zigzag. The second ends of the spring are fixed by fasteners on the wall of the vehicle simultaneously with the housing through its openings. Moreover, since the impact of stones falls on a metal grate, mounted on flat springs, the second ends of which are rigidly connected to the wall of the transport, the signal light does not experience any loads except shaking along with the transport, and all the impacts are taken by the system: the grate - the springs - wall of transport.

Literature

1. Patent. 5528474. USA. Led array vehicle lamp (Cl. 362/249. Publ. 06/18/1996) / Roney T.L., Rigsby B.S.

2. Patentschrift DE 1992 2176 C2.

Oberflachenmontierte LED-Mehrfachanordnung und deren Verwendung in einer Beleuchtungseinrichtung (Cl. F 21 S 8/10. Publ. 11/15/2001) / Arndlt K., Waitl G., Bogner G.

Claims (5)

1. A motor vehicle signal device comprising a housing with one or more light sources mounted on it on a circuit board, the axial lines of which are perpendicular to its plane at the fixing points, and with an exit opening covered by a transparent element located inside a metal enclosure, characterized in that the mounting plate is made of flat sections with light sources, for example, LEDs on each of them, inclined to each other at different angles, and as a metal fence I used a grid of rods and / or tubes coated with a reflective layer, attached to the wall of a vehicle using flat springs and repeating the shape of a transparent partition. 2. The vehicle signal device according to claim 1, characterized in that its flat middle and / or flat edges bent at different angles are used as flat sections of the circuit board. 3. The vehicle signal device according to claim 1, characterized in that each flat portion of the circuit board is attached to the device body. 4. A vehicle signal device according to claims 1 to 3, characterized in that a part selected from the group of glass or plastic parts is used as a transparent element: a diffuser, a refractor, a lens, a frosted sheet, which are hermetically connected to the body using gaskets pressed to the walls on both sides. 5. Automobile signaling device according to claims 1-3, characterized in that the signaling device uses LEDs with different color radiation, and separate current-carrying wires are connected to the assembly of LEDs of the same color.

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