Emergency marker lamp

Abstract

The utility model provides an emergency marker lamp which comprises a rear cover body capable of being fixed to a wall face and a front cover assembly detachably installed at the open end of the front end of the rear cover body through a buckle, and the front cover assembly comprises a front cover body and a light guide plate fixed to the front end of the front cover body through a frame-shaped support. A light source module is arranged under the light guide plate, the bottom face of the light guide plate serves as a light inlet face and faces the light source module, the light source module comprises a plurality of LED lamp beads which are sequentially arranged in the length direction of the light guide plate, the front end face of the light guide plate serves as a light outlet face, and a light-transmitting mark plate is arranged on the light outlet face. A first installation cavity used for installing an LED driver is formed between the rear cover body and the front cover assembly. The emergency marker lamp is compact in structure, small in thickness, convenient to assemble and disassemble, low in manufacturing and maintenance cost and high in use safety.

Description

TECHNICAL FIELD

[0001] The utility model relates to an emergency light, in particular to an emergency sign light. BACKGROUND

[0002] The emergency sign light is a kind of lighting tool made of industrial plastic and high-brightness bulb, usually white color is main, surface possibly has arrowhead etc.Indication mark.It has long emergency time, high brightness and power failure automatic emergency function etc.In emergency, such as when normal lighting power is cut off due to fire, emergency sign light can automatically start, provide necessary lighting and evacuation indication.

[0003] In the existing emergency sign light, light source is arranged at the front end of the reflection plate, and is inclined to the back, and light is hit on the reflection plate, and then light is reflected to the sign plate at the front end by the reflection plate, which causes the overall thickness to be large, and the installation is inconvenient due to the overall structure.

[0004] At the same time, the existing emergency sign light has no lighting function, and when an emergency occurs, the sign emergency light without lighting function may mislead personnel to judge the current safety situation, and due to lack of lighting, people may not accurately judge the surrounding environment and obstacles, so as to make wrong decisions.For example, in a fire, if the emergency light cannot provide lighting, personnel may misenter dangerous area or miss escape exit. INVENTION CONTENTS

[0005] Technical problem to be solved

[0006] The technical problem to be solved by the utility model is to provide an emergency sign light with compact structure, convenient installation, small thickness, uniform light emission, good indication effect and lighting function.

[0007] Technical scheme for solving problems

[0008] The utility model provides an emergency sign light, including the rear cover body 1 of being able to be fixed to wall surface and the front cover assembly of being detachably installed at the front end open end of rear cover body 1 through buckle, the front cover assembly includes the front cover body 2 and the light guide plate 4 of being fixed at the front end of front cover body 2 through frame support 6, the light source module 8 is equipped with in the direct lower of light guide plate 4, the bottom surface of light guide plate 4 is as light entrance and is towards light source module 8, light source module 8 includes a plurality of LED lamp beads sequentially arranged along the length direction of light guide plate 4, the front end surface of light guide plate 4 is as light exit, and sign plate 5 is provided on the light exit and is transparent, first installation cavity for installing LED driver is formed between rear cover body 1 and front cover assembly.

[0009] Further, the rear end surface of the light guide plate 4 and the front cover body 2 are provided with a light shield plate 3 or a light reflecting plate.

[0010] Further, the bottom surface of the front cover assembly is provided with a downwardly arranged lighting source 71 and a switch button 72 for controlling the lighting source.

[0011] Further, the frame-shaped support 6 is formed with a rearwardly arranged second mounting cavity, the front cover body 2 is mounted in the second mounting cavity and fixed by a buckle, and the depth of the second mounting cavity is greater than the thickness of the front cover body 2.

[0012] Further, the bottom surface of the second mounting cavity serves as a support surface, the support surface is provided with a clamping groove 600 capable of clamping the lower end of the front cover body 2 and achieving limiting, the upper end of the second mounting cavity is provided with a second buckle 62, and the upper end of the front cover body 2 is provided with a second clamping opening 25 corresponding to the second buckle.

[0013] Further, the edge of the frame-shaped support 6 is provided with a plurality of first buckles 61, and the rear cover body 1 is provided with a plurality of first clamping openings 11 corresponding to the first buckles 61.

[0014] Further, the light source module 8 is an LED lamp strip.

[0015] Further, the front cover body 2 is formed with a third mounting cavity 20 with an open front end, the bottom surface of the third mounting cavity 20 serves as a mounting surface and is used for mounting the light source module 8, the lower end of the third mounting cavity 20 is provided with a support portion 22 on both sides for contacting the lower end of the light guide plate 4 and achieving support, the support portion is located at the upper end of the light source module and has a gap between the light inlet surface and the light source module.

[0016] Further, the edge of the open end of the third mounting cavity 20 is provided with a plurality of limiting protrusions 21 for limiting the sign plate.

[0017] Further, the thickness of the emergency sign lamp is less than or equal to 40 mm.

[0018] Advantages

[0019] The utility model emergency sign light adopts the front cover modularization design, has improved the efficiency of loading and unloading greatly, reduced manufacturing and maintenance cost, prolonged the life, set up the light transmission plate structure, strengthened the light evenness, made the display of sign light more clear and bright, and the use effect is good, simultaneously, reduced the thickness of whole, improved the aesthetic degree and the applicable scene, adopted the multi -clasp formula structure, and the loading and un unloading are convenient and labor -saving, need not the tool, and the maintenance is convenient, the downward illumination light source is additionally arranged, and in combination with emergency lighting function, provides sufficient illumination for user under the emergency, ensures the clear and visible of safe passage indication, improves the escape rate, adopts the light band as the light guide plate light source, and sets up the interval between the light guide plate, and the installation space is small, and the light evenness is high, and there is no light spot phenomenon, and the use effect is good, the utility model emergency sign light is compact in structure, small in thickness, convenient in loading and unloading, low in manufacturing and maintenance cost, and high in use safety. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is structure schematic diagram of the utility model emergency sign light;

[0021] Figure 2 It is another angle structure schematic diagram of the utility model emergency sign light;

[0022] Figure 3 It is the explosion structure schematic diagram of the utility model emergency sign light;

[0023] Figure 4 It is another angle explosion structure schematic diagram of the utility model emergency sign light;

[0024] Figure 5 It is the explosion structure schematic diagram of the front cover assembly of the utility model emergency sign light;

[0025] Figure 6 It is Figure 5 The enlarged view of A part;

[0026] Figure 7 It is Figure 5 The enlarged view of B part;

[0027] Figure 8 It is the installation schematic diagram of the front cover body of the utility model emergency sign light;

[0028] Figure 9 It is Figure 8 The enlarged view of C part;

[0029] Figure 10 It is Figure 8 The enlarged view of D part. DETAILED DESCRIPTION

[0030] The utility model embodiments are described in detail below with reference to the drawings.

[0031] Refer to Figures 1-10 The utility model provides a kind of emergency sign lamp, including rear cover body 1 and front cover assembly, wherein, rear cover body 1 is overall rectangular structure, it can be fixed to wall surface, specifically, the back surface of rear cover body 1 is equipped with the hanging hole 101 for installation, hanging hole is two or four, it is arranged on the two or four corners of the back surface of rear cover body 1, for hanging on the nail on wall surface;While, rear cover body 1 is also provided with a plurality of second installation holes 102, second installation hole is through-hole, for being fixed by bolt, it can select different installation mode according to different use scene.

[0032] The rear cover body is the structure of front end opening, and the front cover assembly is detachably mounted at the front end opening end of the rear cover body 1 by buckling, the front cover assembly includes a front cover body 2 and a frame-shaped support 6, the frame-shaped support 6 is a frame-shaped structure, which has the same contour shape as the front cover body 2 and is fixed at the front end edge of the front cover body 2 by buckling, forming a structure similar to a bound edge, and a light guide plate 4 is arranged between the front cover body and the frame-shaped support 6, the light guide plate is made of a light guide material and has good light transmission and uniformity, ensuring uniform distribution of light, the light guide plate is a rectangular plate structure and has a certain thickness, and the bottom surface of the light guide plate serves as a light entrance surface, a light source module 8 is arranged directly below the light guide plate 4, the light source module faces upward toward the light entrance surface, the light source module 8 includes a plurality of LED lamp beads, the LED lamp beads are arranged equidistantly along the length direction of the light guide plate 4, and in this embodiment, the light source module 8 is an LED light strip; the thickness of the light guide plate, i.e., the width of the light entrance surface, is greater than or equal to the width of the LED light strip, thereby improving light efficiency utilization and reducing light loss and ensuring lighting effect.

[0033] A plurality of first buckles 61 are arranged on the edge of the frame-shaped support 6, the first buckles are arranged toward the rear, and a first buckle hole 11 corresponding to each first buckle 61 is arranged on the rear cover body 1, the first buckles can be clamped into the first buckle holes, thereby realizing quick installation and disassembly of the front cover assembly.

[0034] In the present application, the frame support is a rectangular frame structure, and its cross section is L-shaped. A second mounting cavity is formed on the frame support 6, and the second mounting cavity is arranged towards the back. A stepped surface for limiting is arranged at the front end edge of the second mounting cavity, which is used for installing limiting and achieving compression and fixation of components such as light guide plates. The second mounting cavity is used for mounting the front cover body 2, and the front cover body 2 can be clamped into the second mounting cavity. At the same time, the two are fixedly connected through buckles. Specifically, the bottom surface of the second mounting cavity serves as a supporting surface for contacting the bottom surface of the front cover body 2. A limiting protrusion 601 is arranged on the supporting surface, and a clamping groove, i.e. a clamping space, is formed between the limiting protrusion and the front end surface of the second mounting cavity, which can accommodate the lower end of the front cover body 2 to be clamped (embedded) to achieve limiting. A second buckle 62 is arranged at the upper end of the second mounting cavity, and a second buckle opening 25 is arranged at the upper end of the front cover body 2. The second buckle opening 25 corresponds to the second buckle and can be buckled to be connected, thereby ensuring that the front cover body is stable and not easy to fall off, and the installation is convenient. When installing, the lower end of the front cover body 2 is first inclinedly embedded into the clamping groove of the second mounting cavity, and then the upper end of the front cover body is pushed forward to rotate and enter the second mounting cavity until the second buckle is buckled with the second buckle opening 25 to complete the installation. This design not only improves the stability of the overall structure, but also simplifies the operation process.

[0035] In the present embodiment, the depth of the second mounting cavity is greater than the thickness of the front cover body 2, so that the front cover body can be completely located in the second mounting cavity, and at the same time, it helps to reduce the overall thickness and improve the compactness of the product. A first mounting cavity is formed between the rear cover body 1 and the front cover assembly, which is used for accommodating other electronic elements to ensure reasonable use of the internal space. Specifically, it is used for installing an LED driver. At the same time, a backup power supply 7 is arranged in the first mounting cavity. The backup power supply is a rechargeable battery, and the backup power supply 7 is connected with the LED driver through a wire to ensure that lighting can be provided when the main power supply is powered off, thereby improving the safety in use.

[0036] The front end surface of the light guide plate 4 serves as a light emitting surface, and a light-transmitting sign plate 5 is arranged on the light emitting surface. Warning patterns and characters are arranged on the sign plate, which can be clearly seen through uniform transmission of the light guide plate, and is suitable for various emergency scenes to improve the safety indication effect. Usually, the sign plate is green.

[0037] Specifically, a third installation cavity 20 with an open front end is formed on the front cover body 2, the bottom surface of the third installation cavity 20 serves as an installation surface, and the light source module 8 is installed on the installation surface. Meanwhile, support portions 22 are arranged at the lower ends of the third installation cavity 20, and the two support portions are located on the same horizontal plane and are used to contact the lower ends of the light guide plate 4, thereby achieving support of the light guide plate and the logo plate. The support portions 22 are located at the upper ends of the light source module, avoiding direct contact between the light guide plate and the light source module, so that the two have a certain gap. The gap can make the light emitted by the LED lamp beads diffuse first and then enter the light guide plate, improve the uniformity of the light, and reduce the light spot phenomenon. The distance between the light entrance surface and the LED lamp beads is 5mm-10mm, which ensures the best light effect.

[0038] Limiting protrusions 21 are arranged at the edges of the open ends of the third installation cavity 20. In this embodiment, the limiting protrusions 21 are arranged at the upper and lower ends of the third installation cavity, respectively. The limiting protrusions 21 are used for positioning and fixing the logo plate in the front-rear direction, so that the logo plate 5 is attached to the light guide plate and is preliminarily fixed in the third installation cavity through the limiting protrusions, and finally fixed through the frame-shaped support. This avoids scattering during assembly, facilitates assembly of the frame-shaped support, and improves assembly efficiency.

[0039] In order to avoid light leakage and affect the use effect, a light blocking plate 3 is arranged between the rear end surface of the light guide plate 4 and the front cover body 2 in this application. The light blocking plate 3 can be a light reflecting plate, i.e., has a light emitting function. It can reflect part of the scattered light back to the light guide plate, further improving the light utilization rate and the indication effect.

[0040] In order to quickly and automatically turn on the emergency light in an emergency, provide necessary lighting for personnel, help to see the surrounding environment, and ensure safety, a lighting source 71 and a switch button 72 are installed on the bottom surface of the front cover assembly in this application. The light exit end of the lighting source is arranged downward, and the switch button 72 is used to control the opening and closing of the lighting source 71. When the power is cut off, the standby power supply 7 is automatically switched, and the emergency lighting mode is started immediately. The lighting source 71 starts to work, providing immediate lighting assistance for the user. This design ensures that the lighting source can quickly respond in an emergency. At the same time, after the alarm is eliminated, the lighting source can be manually turned off through the switch button to restore the normal use of the power supply. The lighting source can also be manually turned on. The above-mentioned light source module, switch button, lighting source, emergency power supply, and driver are connected, and the driver includes a control circuit board.

[0041] The thickness of the emergency logo lamp in this application is much smaller than that of the traditional emergency logo lamp. This makes it applicable to more types of space environments, improves the overall aesthetics, and reduces the complexity of installation and maintenance. In this embodiment, the thickness of the emergency logo lamp is less than or equal to 40mm.

[0042] The utility model emergency sign lamp adopts front cover modularization design, has improved the efficiency of loading and unloading greatly, has reduced manufacturing and maintenance cost, has prolonged the life, set up the light transmission plate structure, has strengthened the light evenness, has made the display of sign lamp more clear and bright, use effectual, simultaneously, has reduced the thickness of whole, has improved the aesthetic degree and applicable scene, adopts the multi -clasp formula structure, is convenient and saves the labor to unload, need not the tool, is convenient for maintenance and maintenance, adds the downward illumination light source, and combines the emergency lighting function, provides sufficient illumination for user under the emergency, ensures the clear and visible of safe passage indication, improves the escape rate, adopts the lamp strip as the light guide plate light source, and sets up the interval between with the light guide plate, and the installation space is small, and the light evenness is high, and there is no light spot phenomenon, makes the effect good, the utility model emergency sign lamp, compact structure, small thickness, convenient to load and unload, low in manufacturing and maintenance cost, and high in use safety.

[0043] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, on the premise of not departing from the technical principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model.

Claims

1. An emergency marker light characterized by: The application relates to an emergency sign lamp, which comprises a rear cover body capable of being fixed to a wall surface, a front cover assembly capable of being detachably installed at a front end open end of the rear cover body through buckling, a light guide plate fixed at a front end of a front cover body through a frame-shaped support, a light source module arranged below the light guide plate, a bottom surface of the light guide plate serving as a light inlet surface and facing the light source module, the light source module comprising a plurality of LED lamp beads arranged in sequence along a length direction of the light guide plate, a front end surface of the light guide plate serving as a light outlet surface and being provided with a light-transmitting sign plate on the light outlet surface, and a first installation cavity for installing an LED driver being formed between the rear cover body and the front cover assembly.

2. The emergency marker light of claim 1, wherein: A light-blocking plate or a light-reflecting plate is arranged between a rear end surface of the light guide plate and the front cover body.

3. The emergency marker light of claim 1, wherein: A downwardly arranged illumination light source and a switch button for controlling the illumination light source are arranged on a bottom surface of the front cover assembly.

4. The emergency marker light of claim 1, wherein: A second installation cavity is formed on the frame-shaped support and arranged rearwardly, the front cover body is installed in the second installation cavity and fixed through buckling, and the depth of the second installation cavity is greater than the thickness of the front cover body.

5. The emergency marker light of claim 4, wherein: A bottom surface of the second installation cavity serves as a support surface, a clamping groove capable of clamping a lower end of the front cover body and achieving limiting is arranged on the support surface, and a second buckle is arranged at an upper end of the second installation cavity, and a second buckle hole corresponding to the second buckle is arranged at an upper end of the front cover body.

6. The emergency marker light of claim 1, wherein: A plurality of first buckles are arranged on a brim of the frame-shaped support, and a plurality of first buckle holes corresponding to the first buckles are arranged on the rear cover body.

7. The emergency marker light of claim 1, wherein: The light source module is an LED lamp strip.

8. The emergency marker light of claim 1, wherein: A third installation cavity is formed on the front cover body and open at a front end, a bottom surface of the third installation cavity serves as an installation surface and is used for installing the light source module, support portions for contacting lower ends of the light guide plate and achieving supporting are arranged at both sides of a lower end of the third installation cavity, the support portions are arranged at upper ends of the light source module, and a gap is formed between the light inlet surface and the light source module.

9. The emergency marker light of claim 8, wherein: A plurality of limiting protrusions for limiting the sign plate are arranged on a brim of an open end of the third installation cavity.

10. The emergency marker light of claim 1, wherein: The thickness of the emergency sign lamp is less than or equal to 40 mm.

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