SK8827Y1 - Laser panel with optical banks - Google Patents

Abstract

The laser panel, commonly referred to as a laser bar, consists of at least two independently controlled laser beam sources whose static laser beams radiate parallel in one direction and at the same time the device is equipped with a motorized sliding bar on which optical banks containing optical diffraction or diffusion elements are placed. When the bar is moved, the diffraction or diffusion elements are inserted into the path of the individual static laser beam, thus creating various optical effects.

Description

Technical field

The technical solution relates to the extension of a standard laser panel, known on the market as the laser bar, to optical systems comprising motorized diffractive and diffuse optical elements, known on the market as optical banks (hereinafter optical banks), located on a motorized sliding rail.

Prior art

The standard construction of a laser bar consists of several laser modules placed in one elongated prism, all modules being placed with the same spacing. The output laser beams propagate in parallel. These laser beams are static, but their intensity can be controlled by a DMX signal, designed primarily to control light effects. The disadvantage of such a solution is the limited number of static beams at the output and the limitation of light effects only to changes in the intensity of the beams.

The essence of the technical solution

These disadvantages are largely eliminated by a laser panel with optical banks, the essence of which consists in that it consists of a system of at least two independent laser modules consisting of sources of static laser beams transmitted in parallel in one direction. In front of the laser modules, a motorized sliding bar is placed in the horizontal direction, on which optical banks consisting of optical diffraction or diffusion elements are placed. The static laser beams emanating from the laser modules pass at a given point in time through those optical diffraction or diffusion elements which are arranged in the path of the individual static laser beam according to the displacement of the sliding bar at said point in time. Thus, in front of each laser module and its output static laser beam, there is an identical optical diffraction or diffusion element at all times.

The outgoing laser beams from the laser modules are spaced at equal distances from each other.

The laser panel contains powerful LEDs oriented in the same direction as the propagation direction of the static laser beams.

The displacement of the sliding bar PL is controlled by a digital signal - Digital Multiplexing (DMX) signal (hereinafter referred to as DMX signal) intended for lighting control. Also, each source of static laser beams LZ is independently and independently controlled by DMX signal.

The movement of the sliding bar PL is performed by means of a servomotor S.

The most important features and at the same time advantages of the laser panel according to the technical solution is the placement of the optical bank on the sliding bar located at the exit of the laser panel in its front part. By moving the bar, the individual diffraction or diffusion elements of the optical bank are arranged in the path of each individual optical beam. This classification occurs for all individual static laser beams simultaneously. This results in an increase in the usability of the static laser module. The optical bank can contain two or more optical elements placed next to each other on the bar, at each laser module (or its output). By gradually moving the bar, other optical elements are included in order in the output static laser beam from the laser module.

This results in a high degree of variability in the shape of the achieved light effects.

Overview of figures in the drawings

Figure 1a shows a front view of the front part of a laser panel with two laser modules and two optical banks.

Figure 1b shows a top view of a section of a laser panel with two laser modules and two optical banks.

Figure 2a shows an optical bank with spaced optical elements illustrating the passage of static laser beams from the laser module through the optical element of the optical bank.

Figure 2b shows the passage of static laser beams from two laser modules through the optical elements of two optical banks in a laser panel.

In FIG. 3a to 3d show alternatives for the passage of static laser beams from the laser module through the various optical elements of the optical bank when the position of the sliding bar changes.

S K 8827 Υ1

Detailed description of the pictures

Figure 1a shows a front view of a laser panel LB composed of a sliding bar PL, on which optical banks OB containing optical elements OE are placed side by side. Behind the optical banks OB there are laser modules LM. The sliding rail PL is moved in the horizontal direction by a motor by means of a servomotor S, and the length of this displacement depends on the input DMX signal, which selects which optical elements OE are to be traversed by the static laser beam LZ. The OB optical banks also contain an empty position, the selection of which will allow the static laser beams LZ to penetrate out of the laser panel LB without change. At the front of the LB laser panel, there are also at least 3 powerful LEDs that complement the laser effects with spatial lighting.

In Figure 1b, the same laser panel LB as in Figure 1a is shown as a section through this panel in a top view, illustrating the location of the individual parts in the laser panel LB.

Figure 2a shows an optical bank OB with arranged optical elements OE. Behind the optical bank OB there is a laser module LM, from which the output static laser beams LZ point through the empty position of the optical bank OB without changing to the surface P.

Figure 2b, corresponding to Figures 1a and 1b, shows the passage of the laser beams LZ from the two laser modules LM through the optical elements OE arranged on the two optical banks OB, taking place in the laser panel LB. The output laser beams LZ from the laser panel LB face the surface P.

Figure 3 shows examples of the operation of the optical bank OB in the motorized change of the position of the sliding bar PL. In Figure 3a, there is no optical element OE in the path of the output laser beams LZ, and thus the direction of the output laser beams LZ on the surface P is unchanged. After moving the sliding bar PL, diffraction gratings, namely a two-dimensional diffraction grating DMm (Figure 3b), a vertical diffraction grating DMv (Figure 3c) and a horizontal diffraction grating DMh (Figure 3d), gradually enter the path of the output laser beams LZ.

Examples of embodiments

Example 1

The embodiment of the technical solution according to Figures 1a, 1b represents a laser panel LB with two RGB (RGB - red, green, blue) laser modules LM with an output light output of 2 W each, three LED reflectors and two optical banks OB mounted on a sliding rail PL. In the given example, the optical banks OB comprise 3 types of optical elements OE - a horizontal diffraction grating DMh, a vertical diffraction grating DMv and a two-dimensional diffraction grating DMm. The sliding bar moves in the horizontal direction by motor by means of a servomotor S located in the lower part of the laser panel LB according to the control DMX signal. The movement of the sliding bar PL changes the optical elements OE - diffraction gratings - in front of the RGB laser modules LM. Each type of diffraction grating is designed in such a way that it can decompose the static laser beam LZ into further output laser beams LZ and then deflect them in different directions according to the given structure of the diffraction grating, and thus create light effects. In one case, a horizontal diffraction grating DMh is used, which can deflect the beams of the static laser beam LZ in the horizontal direction (Fig. 3d). In another case, a vertical diffraction grating DMv is used, which can deflect the static laser beam LZ in the vertical direction (Fig. 3c) or in another case a two-dimensional diffraction grating DMm, which can deflect the static laser beam LZ in both horizontal and vertical directions (Fig. 3c). ).

Example 2

The change from Example 1 is that, in contrast to the use of RGB LM laser modules, single color LM laser modules are used. The OB optical banks contain OE optical elements including diffusion glass in addition to the diffraction gratings.

Industrial applicability

The technical solution can be used at discos, clubs, concerts, stadiums and various entertainment events as an alternative replacement for classic laser show projectors with scanners. The advantage is the low price and the large number of changing laser beams compared to the current laser show projector.

Claims (7)

CLAIMS FOR PROTECTION A laser panel with optical banks, characterized in that it consists of an array of at least two independent laser modules (LM) formed by sources of static laser beams (LZ) transmitted in parallel in one direction, where a motorized in horizontal direction is placed in front of the laser modules (LM). sliding bar (PL) on which are placed optical banks (OB) consisting of optical diffraction or diffusion elements (OE) for the passage of static laser beams (LZ) from the laser modules (LM) through optical diffraction or diffusion elements (OE) included in paths through the individual static laser beam (LZ) according to the displacement of the slide bar (PL) at a given point in time. Laser panel according to Claim 1, characterized in that the static laser beams (LZ) emanating from the laser modules (LM) are arranged at equal distances from one another. Laser panel according to Claim 1, characterized in that an identical optical diffraction or diffusion element (OE) is present at each moment in front of each laser module (LM) and its output static laser beam (LZ). Laser panel according to claim 1, characterized in that it comprises high-power LEDs (LEDs) oriented in the same direction as the propagation direction of the static laser beams (LZ). Laser panel according to claim 1, characterized in that the displacement of the sliding bar (PL) is controlled by a digital signal Multiplexing (DMX) intended to control the illumination. Laser panel according to claim 1, characterized in that each source of static laser beams (LZ) is independently and independently controlled by a Digital Multiplexing (DMX) signal. Laser panel according to Claim 1, characterized in that the movement of the sliding bar (PL) is performed by means of a servomotor (S).