CN218159530U

CN218159530U - Emergency evacuation lamp with patterns convenient to replace

Info

Publication number: CN218159530U
Application number: CN202122253016.1U
Authority: CN
Inventors: 柴雪峰; 曹子江; 吴添赐
Original assignee: Shenzhen Hi Tech Investment Sanjiang Electronics Co ltd
Current assignee: Shenzhen Hi Tech Investment Sanjiang Electronics Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-12-27
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to a conveniently change emergent sparse lamps and lanterns of pattern, including being used for installing the backshell on the wall body, install on the backshell and the backshell between be formed with the panel of holding cavity, install the light guide plate in the holding cavity, control circuit board electric connection has the LED banks that is in light guide plate side or the back, the interval is provided with a plurality of through-holes on the panel, all in every through-hole all install transparent or translucent printing opacity lid in its rear end dismantled and assembled, the front or the back of printing opacity lid sets up the light shield layer, the fretwork has the display pattern on the light shield layer. The utility model discloses a simple structure can adopt less spare part, produces the sign lamps and lanterns of more different patterns, satisfies the product production convenience requirement.

Description

Emergency evacuation lamp with patterns convenient to replace

Technical Field

The utility model relates to a security protection device, especially an emergent sparse lamps and lanterns of convenient change pattern.

Background

The emergency evacuation marker lamp is an important device for security protection in buildings, when the fire emergency marker lamp on the existing market is used for manufacturing the marker lamp, a metal panel is mostly adopted, different display patterns such as a left direction, a right direction, a safety exit, an evacuation exit, a refuge layer and the like are arranged on the metal panel, then a light hole is made in the panel according to the display patterns, an internal light-emitting component emits light outwards through the light hole to realize pattern display, the structure is various, a manufacturer needs to produce various lamps according to the display patterns, different types of metal panels need to be manufactured aiming at the lamps with different patterns, different types of lamps are produced to be used for inventory management and delivery, and the production and stocking are inconvenient, not beneficial to production and are also inconvenient to use.

SUMMERY OF THE UTILITY MODEL

To the current not enough, the utility model provides a conveniently change emergent sparse lamps and lanterns of pattern.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a conveniently change emergent sparse lamps and lanterns of pattern, is including being used for installing the backshell on the wall body, install on the backshell and the backshell between be formed with the panel of holding cavity, install light guide plate, control circuit board in the holding cavity, control circuit board electric connection has the LED banks that is in light guide plate side or the back, the interval is provided with a plurality of through-holes on the panel, every all in the through-hole all install transparent or translucent printing opacity lid in its rear end dismantled and assembled, the front or the back of printing opacity lid sets up the light shield layer, the fretwork has the display pattern on the light shield layer.

Preferably, the front surface of the light-transmitting cover extends forwards to form an annular boss, the annular boss is detachably clamped in the through hole, and the display patterns are arranged corresponding to the inner ring space of the annular boss.

Preferably, the light shielding layer is a light shielding sheet or a light shielding coating printed on the front surface or the back surface of the light transmitting cover, the light shielding sheet is installed in the inner ring of the annular boss, and the light shielding coating is arranged corresponding to the inner ring space of the annular boss.

Preferably, the light shield layer is the light-shielding sheet, be provided with the location muscle that is used for the location on the inner wall of annular boss.

Preferably, the light-shielding layer covers the front surface or the back surface of the light-transmitting cover, and a display pattern is hollowed in a position corresponding to an inner space of the through hole, or the light-shielding layer includes an annular first light-shielding region arranged in a position corresponding to an outline of the through hole, and a second light-shielding region with a display pattern hollowed in the first light-shielding region, an inner ring caliber of the first light-shielding region is smaller than a caliber of the through hole, and an outer ring caliber of the first light-shielding region is larger than a caliber of the through hole.

Preferably, three through holes are arranged in parallel at intervals, and two through holes on two sides have the same shape.

Preferably, the through holes in the middle of the three through holes are square through holes, the length and the width of each through hole are not more than 5mm larger than the length and the width of the display pattern, the through holes on two sides are rectangular through holes, the length of each through hole is 3-10mm larger than the length of the corresponding display pattern, the width of each through hole is 4/7 of the width of the corresponding display pattern, and the deviation is +3 mm to +10 mm.

Preferably, a rear casing groove is formed in the front face of the rear casing, the panel cover is arranged on the rear casing groove to form an accommodating cavity, and the light guide plate, the control circuit board and the LED lamp group are all arranged in the rear casing groove.

Preferably, an opening is formed in one side wall of the rear shell groove, and a cover plate is installed in the opening.

Preferably, each LED lamp group is provided with at least one LED lamp.

The beneficial effects of the utility model reside in that: the utility model discloses a simple structure utilizes to change the demonstration that the printing opacity lid realized different patterns, and other parts accomplish general requirement, just can adopt less spare part, produce the sign lamps and lanterns of more different patterns, satisfy the requirement of product production convenience, also be convenient for use.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic view of a structure of a light-transmitting cover and a light-shielding layer according to an embodiment of the present invention;

part names and serial numbers in the figure: 1-rear shell 10-rear shell groove 11-opening 12-cover plate 2-panel 20-through hole 3-light guide plate 4-control circuit board 5-LED lamp set 6-light-transmitting cover 60-annular boss 61-positioning rib 7-light shielding layer.

Detailed Description

To more clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described in conjunction with the accompanying drawings and embodiments, which are described in a clear and complete manner. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. Furthermore, directional terms as referred to in the present disclosure, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer only to the direction of the attached drawings, and directional terms used are intended to better and more clearly illustrate and understand the present invention rather than to indicate or imply the orientation the present invention must have, and therefore should not be construed as limiting the present invention.

The embodiment of the utility model is shown in fig. 1 to fig. 3, an emergency evacuation lamp convenient for changing patterns comprises a back shell 1 arranged on a wall body and a panel 2 arranged on the back shell 1 and forming a containing cavity with the back shell 1, the back shell 1 can adopt different structures according to the installation requirement, can be directly arranged on the wall body or the place needing to install a marker lamp, or can be provided with other components and indirectly arranged on the wall body or the place needing to install the marker lamp through other components, the panel 2 is arranged on the back shell 1 and forms a containing cavity with the back shell 1, the containing cavity can be used for arranging other components of the marker lamp, the panel 2 and the back shell 1 form a protective shell of the marker lamp, the containing cavity is internally provided with a light guide plate 3 and a control circuit board 4, the control circuit board 4 is electrically connected with an LED lamp group 5 at the side end or the back of the light guide plate 3, the control circuit board 4 controls the LED lamp group 5 to be turned on or off, the light emitted by the LED lamp group 5 is emitted through the light guide plate 3, the LED lamp group 5 is arranged on the side edge of the light guide plate 3 to form a side-emitting LED lamp according to different properties of the light guide plate 3, the side surface of the light guide plate 3 is irradiated to enable the front surface of the light guide plate 3 to uniformly emit light, or the LED lamp group 5 is arranged on the back surface of the light guide plate 3 to form backlight, the light enters the light guide plate 3 from the back surface of the light guide plate 3 and is emitted through the light guide plate 3, the panel 2 is provided with a plurality of through holes 20 at intervals, a transparent or semitransparent light-transmitting cover 6 is detachably arranged at the rear end of each through hole 20, the through holes 20 can be arranged into any shape according to different use requirements, preferably are arranged into a square structure, and the panel 2 is divided into different display areas through the through holes 20, namely, a light-transmitting cover 6 is installed in a through hole 20, the light-transmitting cover 6 is installed in the through hole 20 from the rear end of the through hole, after the panel 2 is installed on the rear shell 1, the light-transmitting cover 6 is also positioned in the accommodating cavity, the stability of the structure is maintained, the light-transmitting cover 6 is prevented from falling off from the through hole 20, at the moment, the light-transmitting cover 6 can be a semitransparent plate, on one hand, light can be transmitted out in a light-emitting area by adopting semitransparent materials, on the other hand, in a non-light-emitting area, devices behind the light-transmitting cover cannot be displayed, the integrity of the product is guaranteed, the product is neat and attractive, or the light-transmitting cover 6 is made of transparent materials, a light shielding layer 7 is arranged on the front surface or the back surface of the light-transmitting cover 6, a display pattern is hollowed out on the light shielding layer 7, when the light guide plate 3 emits light, only the display pattern of the surface of the lamp is partially lightened, the types of the panel 2 can be reduced, the production efficiency is improved, the storage logistics cost is reduced, when the light needs to be changed, the light emitted through the light guide plate 3, more light-transmitting parts can be produced, and the light-transmitting cover 6 can meet the requirements of various light-transmitting mark parts and can be produced conveniently. For the light shielding layer 7, the front or back of the light transmitting cover 6 can be completely covered, and then the display pattern is hollowed out at the position where the display pattern needs to be set, i.e. the position corresponding to the inner space of the through hole 20, or an annular first light shielding region is set at the position corresponding to the outline of the through hole 20, the inner ring aperture of the light shielding region is smaller than the aperture of the through hole, and the outer ring aperture is larger than the aperture of the through hole, so that the light shielding region can effectively shield the gap between the light transmitting cover 6 and the through hole 20, and light leakage at the gap is prevented, and meanwhile, a second light shielding region with the display pattern hollowed out is set at the position corresponding to the inner space of the through hole 20, i.e. the position located in the first light shielding region ring.

As shown in fig. 1 to 3, a circular boss 60 extends forward from the front surface of the light-transmitting cover 6, a groove is formed between the circular boss 60 and the front surface of the light-transmitting cover 6, the circular boss 60 forms a side wall of the groove, the front surface of the light-transmitting cover 6 is a bottom surface of the groove, a light-shielding layer 7 with different hollow display patterns can be arranged in the groove, the circular boss 60 is detachably clamped in the through hole 20, the light-transmitting cover 6 is mounted on the panel 2 through clamping, the circular boss 60 can be located in the through hole 20 at the moment and can penetrate out of the through hole from back to front, the display patterns are arranged corresponding to an inner ring space of the circular boss 60, and the display patterns on the light-transmitting cover 6 are directly opposite to the groove bottom position of the groove formed by the circular boss 60 and the light-transmitting cover 6, that is, the inner ring space position surrounded by the circular boss 60. For the light shielding layer 7, the light shielding layer 7 is a light shielding sheet or a light shielding coating printed on the front or back surface of the light transmitting cover 6, the light shielding sheet is installed in the inner ring of the annular boss 60, and the light shielding coating is arranged corresponding to the inner ring space of the annular boss 60, so that the unwanted light is shielded, and the display of the display pattern is not affected. When the light shield layer 7 is the light shield, be provided with the location muscle 61 that is used for the location on the inner wall of annular boss 60, fix a position convenient equipment when just so conveniently installing the light shield.

In a further improvement, as shown in fig. 1 and fig. 2, three through holes 20 are arranged in parallel at intervals, wherein two through holes 20 on two sides have the same shape, so that the panel is divided into hollow areas, and the shape of the hollow areas can be any shape, and preferably, the hollow areas are square through holes. The through holes in the middle of the three through holes 20 are square through holes, the length and width of each through hole are not more than 5mm larger than the length and width of the display pattern, the through holes on the two sides are rectangular through holes, the length of each through hole is 3-10mm larger than the length of the corresponding display pattern, the width of each through hole is 4/7 of the width of the corresponding display pattern, and the deviation is between +3 and +10mm, namely when the size of the display pattern is C, the size of the middle through hole is C +0 to +5mm, the size of the through holes on the two sides is C +3 to +10mm, and the width of each through hole is 4C/7+3 to +10mm, and the proportion is suitable for production while keeping attractive appearance.

Further improvement, as shown in fig. 1, the front surface of the rear case 1 is provided with a rear case groove 10, the panel 2 covers the rear case groove 10 to form an accommodating cavity, that is, the panel 2 can be covered on the rear case groove 10 or installed in the rear case groove 10, the light guide plate 3, the control circuit board 4 and the LED lamp set 5 are all arranged in the rear case groove 10, the space in the rear case groove 10 forms the accommodating cavity between the panel 2 and the rear case 1, and the light guide plate 3, the control circuit board 4 and the LED lamp set 5 are effectively protected. At this moment, in order to facilitate production and installation, an opening 11 is formed in one side wall of the rear shell groove 10, a cover plate 12 is installed in the opening 11, the control circuit board 4 can be arranged on the cover plate 12, so that different installation modes can be selected through the cover plate 12 or the rear shell 1 during installation, when the control circuit board is installed through the cover plate 12, a corresponding installation structure is arranged on the cover plate 12, and at this moment, the opening 11 in the side wall of the rear shell groove 10 can be arranged on a corresponding side according to the position where the marker lamp is to be installed.

In a further improvement, as shown in fig. 1, each LED lamp set 5 is provided with at least one LED lamp, so that the normal function of the lamp can be ensured.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The emergency evacuation lamp convenient for pattern replacement is characterized by comprising a rear shell and a panel, wherein the rear shell is arranged on a wall body, an accommodating cavity is formed between the panel and the rear shell, a light guide plate and a control circuit board are arranged in the accommodating cavity, the control circuit board is electrically connected with an LED lamp set arranged at the side end or the back surface of the light guide plate, a plurality of through holes are formed in the panel at intervals, a transparent or semitransparent light transmitting cover is detachably arranged at the rear end of each through hole, a light shielding layer is arranged on the front surface or the back surface of each light transmitting cover, and display patterns are hollowed out on the light shielding layer.

2. An emergency evacuation lamp with a convenient pattern replacement as claimed in claim 1, wherein an annular boss extends forwards from the front surface of the light-transmitting cover, the annular boss is detachably engaged in the through hole, and the display pattern is arranged corresponding to the inner annular space of the annular boss.

3. An emergency evacuation lamp with a replaceable pattern as claimed in claim 2, wherein the light shielding layer is a light shielding sheet or a light shielding coating printed on the front or back of the light-transmitting cover, the light shielding sheet is installed in the inner ring of the annular boss, and the light shielding coating is disposed corresponding to the inner ring space of the annular boss.

4. An emergency evacuation lamp with a pattern convenient to replace as claimed in claim 2, wherein the shading layer is a shading sheet, and a positioning rib for positioning is arranged on the inner wall of the annular boss.

5. The emergency evacuation lamp convenient for changing patterns according to claim 1, wherein the light shielding layer covers the front or back of the transparent cover and has a display pattern hollowed out at a position corresponding to the inner space of the through hole, or the light shielding layer comprises a first annular light shielding region disposed at a position corresponding to the outline of the through hole and a second light shielding region with a display pattern hollowed out and located in the first light shielding region, the inner ring caliber of the first light shielding region is smaller than the caliber of the through hole, and the outer ring caliber is larger than the caliber of the through hole.

6. An emergency evacuation lamp with convenient pattern replacement according to claim 1, wherein three through holes are arranged in parallel at intervals, and two through holes at two sides have the same shape.

7. An emergency evacuation lamp with a convenient pattern replacement according to claim 6, wherein the middle through holes of the three through holes are square through holes, the length and width of each through hole is not more than 5mm larger than the length and width of the display pattern, the through holes on the two sides are rectangular through holes, the length of each through hole is 3-10mm larger than the length of the corresponding display pattern, the width of each through hole is 4/7 of the width of the corresponding display pattern, and the deviation is +3 mm to +10 mm.

8. An emergency evacuation lamp with a convenient pattern replacement according to claim 1, wherein a rear housing groove is formed on the front surface of the rear housing, the panel cover is disposed on the rear housing groove to form a containing cavity, and the light guide plate, the control circuit board and the LED lamp set are disposed in the rear housing groove.

9. An emergency evacuation lamp with convenient pattern replacement according to claim 8, wherein an opening is arranged on one side wall of the groove of the rear shell, and a cover plate is installed in the opening.

10. An emergency evacuation lamp with convenient pattern replacement according to claim 1, wherein each LED lamp group is provided with at least one LED lamp.