CN219457108U - Emergency marker light with switchable light guide effect - Google Patents

Abstract

The utility model discloses an emergency marker lamp with switchable light guide effect, which comprises: a light guide assembly; the light guide assembly includes: the light source board, the first light guide board and the second light guide board; a plurality of first light transmission openings are formed in the first light guide plate; a plurality of second light transmission openings are formed in the second light guide plate; the light source plate is fixed on the first light guide plate so that the lamp beads are positioned below the circle center of the first light-transmitting opening; or the light source plate is fixed on the second light guide plate so that the lamp beads are positioned above the circle center of the second light-transmitting open hole. According to the different pattern demands of the sign lamp panel, the first light guide plate or the second light guide plate is selected to be used, so that the effect of adjusting the overall brightness distribution of the pattern is achieved, the sign lamp can meet more application scenes by replacing different light guide plates, higher universality is achieved, and the use cost of the sign lamp is also reduced.

Description

Emergency marker light with switchable light guide effect

Technical Field

The utility model relates to the field of lamps, in particular to an emergency marker lamp with a switchable light guide effect.

Background

The light guide assembly is one of the main components of the emergency sign lamp and generally comprises a light source board, a light guide board and reflective paper. The light source plate is provided with a plurality of lamp beads, after the lamp beads are electrified and emit light, the light can be reflected by the reflective paper, so that the light is uniformly reflected in the light guide plate for a plurality of times, and the brightness and uniformity of the whole lamp surface can be improved.

Specifically speaking, the light guide plate edge has offered a location mounting groove that is used for installing the light source board, and the light source board is fixed in this location mounting groove, and the light guide plate edge still is equipped with a plurality of printing opacity trompils, and every printing opacity trompil is arranged in to the lamp pearl one-to-one on the light source board, and the luminous orientation of lamp pearl is in the light guide plate for the light that every lamp pearl launched all gets into to the light guide plate and produces the reflection.

The light-emitting position of the lamp beads relative to the light guide plate is one of the most important factors influencing the light guide effect. In order to ensure the brightness uniformity of the whole pattern, the shape of the light-transmitting opening is usually made into an arc smaller than 180 degrees, the lamp beads are arranged in the light-transmitting opening, the light source is positioned above the center of the arc, the emergent light is concentrated towards the center of the arc, the uniformity of the emergent light is better, and the brightness is attenuated. However, according to different application scenes and functional elements, the pattern selection of the emergency marker lamp is rich and various, and for some patterns needing to enhance brightness at the lower half part of the luminous surface, the existing light guide assembly cannot achieve the effect, so that the emergency marker lamp is unfavorable for the application scenes which are larger in length and width and closer to the emergent light; this also limits the versatility of emergency sign lamps, which cannot meet many different pattern lighting requirements simultaneously.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide the emergency marker lamp with the switchable light guide effect, which can solve the problems that the existing emergency marker lamp is single in light guide effect, cannot meet the light-emitting requirements of different patterns and is low in universality.

The utility model is realized by the following technical scheme:

an emergency sign lamp with switchable light guiding effect, comprising: a light guide assembly; the light guide assembly includes: the light source board, the first light guide board and the second light guide board; the light source plate is provided with a plurality of lamp beads; the lateral part of first light guide plate has been seted up and has been used for the holding the first constant head tank of light source board, first light guide plate for a plurality of first printing opacity trompil have been seted up on the edge of first constant head tank, first printing opacity trompil is including integrative continuous: semicircular holes and rectangular holes; a second positioning groove for accommodating the light source plate is formed in the side part of the second light guide plate, a plurality of second light transmission holes are formed in the edge of the second light guide plate opposite to the second positioning groove, the edge of each second light transmission hole is a minor arc smaller than 180 degrees, and the shape of each second light transmission hole is an arc-shaped hole corresponding to the minor arc; the light source plate is fixed on the first light guide plate and is arranged in the first positioning groove, so that the lamp beads are positioned below the circle center of the first light-transmitting open hole; or, the light source plate is fixed on the second light guide plate and is arranged in the second positioning groove, so that the lamp beads are positioned above the circle center of the second light-transmitting open hole.

Further, the light guide assembly further includes: reflective paper; the double faced adhesive tape is adhered to the reflective paper, and the light source plate, the first light guide plate or the second light guide plate is fixedly adhered to the upper surface of the reflective paper.

Further, the emergency marker light with switchable light guiding effect further comprises: a power supply; the power supply is electrically connected to the light source plate, and the power supply is fixed on the reflective paper.

Further, the emergency marker light with switchable light guiding effect further comprises: a wire harness; and the output end of the wire harness is welded and fixed on the light source plate.

Further, the emergency marker light with switchable light guiding effect further comprises: a diffusion plate; the diffusion plate is arranged on the upper surface of the light guide assembly.

Further, the emergency marker light with switchable light guiding effect further comprises: a protection plate; the protection plate is arranged on the upper surface of the diffusion plate.

Further, the emergency marker light with switchable light guiding effect further comprises: a luminaire panel and luminaire backplate; the lamp panel is fixedly covered on the lamp backboard, and the protection plate, the diffusion plate and the light guide assembly are fixedly arranged in the cavity between the lamp panel and the lamp backboard from top to bottom.

Further, the lamp panel and the lamp backboard are both stainless steel panels.

Further, the size of the light reflecting paper is larger than the size of the inner wall of the lamp backboard, and the light reflecting paper is in interference fit with the lamp backboard.

Further, the emergency marker light with switchable light guiding effect further comprises: a foam rubber strip; the foam adhesive tape is fixedly adhered to the inner wall of the lamp backboard, and the reflective paper is tightly pressed on the foam adhesive tape.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model is provided with two light guide plate structures, and the proper light guide plate structure can be selected according to different brightness requirements of functional patterns:

after the light source plate is installed, the lamp beads are positioned below the circle center of the first light-transmitting opening, the normal line is positioned above the light source, when incident light enters the light dense medium from the light sparse medium, the incident angle is larger than the refraction angle, the emergent light diverges towards the two sides of the opening, the light is overlapped at a position closer to the bottom edge of the light emitting surface, at the moment, the brightness of the lower half part of the light source plate is improved and gradually decreased from bottom to top, the application scene with larger pattern length and width and closer to the emergent light is facilitated, and the light source plate is favorable for matching with related pattern lighting requirements;

the structure of second light guide plate makes the light source board behind the installation, and the lamp pearl is located the centre of a circle top of second printing opacity trompil, and the normal is in the light source below, and incident light is when getting into the light dense medium from the light sparse medium, and its incident angle is greater than the refraction angle, and the center gathering of light towards the trompil is gone out to the light, and light overlaps at light guide plate intermediate position, and light overlaps less in light guide plate bottom income light department, overlaps more at light guide plate intermediate position, and luminance increases gradually from the lower part to the middle part, the homogeneity becomes better gradually this moment, is more suitable for pattern length and width less, the application scenario that is farther from the light that goes out, is favorable to the luminous demand of relevant pattern of cooperation.

According to the different pattern demands of the sign lamp panel, the first light guide plate or the second light guide plate is selected to be used, so that the effect of adjusting the overall brightness distribution of the pattern is achieved, the sign lamp can meet more application scenes by replacing different light guide plates, higher universality is achieved, and the use cost of the sign lamp is also reduced.

Drawings

FIG. 1 is an exploded view of an emergency sign;

FIG. 2 is a schematic diagram illustrating the assembly of a light guide assembly;

fig. 3 is a schematic structural view of a first light guide plate;

fig. 4 is a schematic structural view of a second light guide plate;

fig. 5 is a schematic diagram showing the comparison of the light paths of the first light guide plate and the second light guide plate.

In the figure: 10. a light source board; 11. a lamp bead; 20. a first light guide plate; 21. a first positioning groove; 22. a first light-transmitting aperture; 30. a second light guide plate; 31. a second positioning groove; 32. a second light-transmitting aperture; 40. reflective paper; 50. a power supply; 60. a wire harness; 70. a diffusion plate; 80. a protection plate; 90. a luminaire panel; 100. a luminaire backplate; 110. and (5) soaking cotton adhesive tapes.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

In the description of the present utility model, it should be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-2, the utility model discloses an emergency marker lamp with switchable light guiding effect, which comprises a light guiding component, wherein the light guiding component comprises the following components: the light source plate 10, the first light guide plate 20, and the second light guide plate 30; the first light guide plate 20 and the second light guide plate 30 are used alternatively according to the lighting requirement of the lamp pattern. A plurality of lamp beads 11 are arranged on the light source plate 10 and used for emitting light rays; the light can enter the light guide plate to generate a great deal of reflection, thereby achieving the effect of lightening the luminous surface of the lamp pattern.

Referring to fig. 3, a first positioning groove 21 for installing the light source board 10 is formed on a side portion of the first light guide plate 20, and a plurality of first light-transmitting holes 22 are formed on an edge of the first light guide plate 20 opposite to the first positioning groove 21. The first light-transmitting aperture 22 specifically includes integrally connected: a semicircular hole and a rectangular hole; when the lamp bead 11 is placed in the first light-transmitting opening 22, the light source is located below the center of the semicircular hole.

Referring to fig. 4, the side portion of the second light guide plate 30 is also provided with a second positioning groove 31 for mounting the light source plate 10, and a plurality of second light-transmitting holes 32 are formed on the edge of the second light guide plate 30 opposite to the second positioning groove 31. The edge of the second light-transmitting aperture 32 is a minor arc of less than 180 ° and has a shape corresponding to the arcuate aperture. When the lamp bead 11 is placed in the second light-transmitting opening 32, the light source is located above the center of the arcuate hole.

The light source board 10 is used with the first light guide plate 20 or the second light guide plate 30, and different brightness effects can be achieved by replacing different light guide plates. An appropriate light guide plate structure can be selected according to different brightness requirements of the functional patterns, referring to fig. 5:

the structure of the first light guide plate 20 enables the light source plate 10 to be installed, the lamp beads 11 are located below the circle center of the first light-transmitting opening 22, the normal line is located above the light source, when incident light enters the light-condensing medium from the light-condensing medium, the incident angle alpha of the incident light is larger than the refraction angle beta, the emergent light diverges towards the two sides of the opening, the light overlaps at a position closer to the bottom edge of the light-emitting surface, at the moment, the brightness of the lower half part of the light guide plate is improved, gradually decreases from bottom to top, and the light guide plate is beneficial to application scenes with larger pattern length and width and closer to the emergent light and to match related pattern light-emitting requirements.

The structure of the second light guide plate 30 enables the light source plate 10 to be installed, the lamp beads 11 are located above the circle center of the second light transmission opening 32, the normal line is located below the light source, when incident light enters the light dense medium from the light dense medium, the incident angle alpha of the incident light is larger than the refraction angle beta, the emergent light is gathered towards the center of the opening, the light is overlapped at the middle position of the light guide plate, the light is less overlapped at the light entering position at the bottom of the light guide plate, the light is more overlapped at the middle position of the light guide plate, the brightness is gradually increased from the lower part to the middle part, the uniformity is gradually improved, the light guide plate is more suitable for application scenes with smaller pattern length and width and farther away from the emergent light, and the light is favorable for matching related pattern lighting requirements.

According to the different pattern demands of the sign lamp panel, the first light guide plate 20 or the second light guide plate 30 is selected to be used, so that the effect of adjusting the overall brightness distribution of the pattern is achieved, the sign lamp can meet more application scenes by changing different light guide plates, higher universality is achieved, and the use cost of the sign lamp is also reduced.

Preferably, referring to fig. 1, the light guide assembly further includes a reflective paper 40 for reflecting light so that the light can be uniformly reflected in the light guide plate. The reflecting paper 40 is adhered with double faced adhesive tape, and the light source plate 10 and the first light guide plate 20 or the second light guide plate 30 are fixedly adhered to the upper surface of the reflecting paper 40, so that a light guide assembly is formed.

Preferably, the present utility model further includes a power source 50 for supplying power to the light source board 10, the power source 50 is electrically connected to the light source board 10, and the battery is fixed on the light reflecting paper 40. The side upper portion of the light guide plate is provided with a power supply installation groove in which the power supply 50 is disposed.

Preferably, the present utility model further includes a wire harness 60 for output control to the light source board 10, and an output wire end of the wire harness 60 is welded to the light source board 10.

Preferably, the present utility model further includes a diffusion plate 70 to uniformly diffuse the light source and obtain higher brightness. The diffusion plate 70 is disposed on the upper surface of the light guide assembly.

Preferably, the utility model further comprises a protection plate 80 for protecting the internal structure of the lamp. The diffusion plate 70 is disposed on an upper surface of the diffusion plate 70.

Preferably, the present utility model also includes a luminaire faceplate 90 and luminaire backplate 100 as the luminaire housing. The lamp panel 90 is fixedly covered on the lamp back plate 100, and the protection plate 80, the diffusion plate 70 and the light guide assembly are fixedly arranged in the cavity between the lamp panel 90 and the lamp back plate 100 from top to bottom. The lamp faceplate 90 and the lamp backplate 100 are preferably stainless steel faceplates, but other housing materials commonly used for sign lamps may be used.

In order to be installed in the stainless steel backboard, the size of the light guide assembly is smaller than the size of the inner wall of the backboard, but the light guide plate is not fixed by a fixing piece, so that abnormal sound is caused by a gap, and the reflective paper 40 is made of a pliable and deformable material, preferably, the size of the reflective paper 40 is slightly larger than the size of the inner wall of the lamp backboard 100, and the light guide assembly can automatically deform in an interference manner after being installed in the lamp backboard 100, so that the influence of the gap is eliminated.

Preferably, the utility model also comprises two foam rubber strips 110, which have the effect of buffering and shock resistance. The foam rubber strip 110 is adhered and fixed on the inner wall of the lamp backboard 100, and after the reflective paper 40 is installed in the lamp backboard 100, the reflective paper is pressed on the foam rubber strip 110.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (10)

1. An emergency marker light with switchable light guiding effect, comprising: a light guide assembly;

the light guide assembly includes: the light source board, the first light guide board and the second light guide board; the light source plate is provided with a plurality of lamp beads; the lateral part of first light guide plate has been seted up and has been used for the holding the first constant head tank of light source board, first light guide plate for a plurality of first printing opacity trompil have been seted up on the edge of first constant head tank, first printing opacity trompil is including integrative continuous: semicircular holes and rectangular holes; a second positioning groove for accommodating the light source plate is formed in the side part of the second light guide plate, a plurality of second light transmission holes are formed in the edge of the second light guide plate opposite to the second positioning groove, the edge of each second light transmission hole is a minor arc smaller than 180 degrees, and the shape of each second light transmission hole is an arc-shaped hole corresponding to the minor arc;

the light source plate is fixed on the first light guide plate and is arranged in the first positioning groove, so that the lamp beads are positioned below the circle center of the first light-transmitting open hole;

or alternatively, the process may be performed,

the light source plate is fixed on the second light guide plate and is arranged in the second positioning groove, so that the lamp beads are positioned above the circle center of the second light-transmitting opening.

2. The switchable light directing effect emergency sign of claim 1 wherein the light directing assembly further comprises: reflective paper; the double faced adhesive tape is adhered to the reflective paper, and the light source plate, the first light guide plate or the second light guide plate is fixedly adhered to the upper surface of the reflective paper.

3. The switchable light-directing effect emergency sign of claim 2, further comprising: a power supply; the power supply is electrically connected to the light source plate, and the power supply is fixed on the reflective paper.

4. The switchable light-directing effect emergency sign of claim 2, further comprising: a wire harness; and the output end of the wire harness is welded and fixed on the light source plate.

5. The switchable light-directing effect emergency sign of claim 2, further comprising: a diffusion plate; the diffusion plate is arranged on the upper surface of the light guide assembly.

6. The switchable light directing effect emergency sign of claim 5, further comprising: a protection plate; the protection plate is arranged on the upper surface of the diffusion plate.

7. The switchable light directing effect emergency sign of claim 6, further comprising: a luminaire panel and luminaire backplate; the lamp panel is fixedly covered on the lamp backboard, and the protection plate, the diffusion plate and the light guide assembly are fixedly arranged in the cavity between the lamp panel and the lamp backboard from top to bottom.

8. The switchable light directing effect emergency sign of claim 7 wherein the light fixture panel and the light fixture back panel are both stainless steel panels.

9. The switchable light directing effect emergency sign of claim 7 wherein the size of the reflective paper is greater than the size of the inner wall of the luminaire back plate, the reflective paper being in an interference fit with the luminaire back plate.

10. The switchable light directing effect emergency sign of claim 7, further comprising: a foam rubber strip; the foam adhesive tape is fixedly adhered to the inner wall of the lamp backboard, and the reflective paper is tightly pressed on the foam adhesive tape.