Light-emitting structure of underground marker lamp

By vertically arranging the light source components inside the housing to divide the light-emitting cavity into two chambers and independently controlling the light source, the problem of high cost and mutual interference of existing buried fire emergency sign lights is solved, and clear, bright and uniform light source control is achieved.

CN223953989UActive Publication Date: 2026-02-27GUANGDONG NASITER INT LIGHTNING CO LTD
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Patent Information

Application Number
CN202520339689.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-27
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Existing underground fire emergency sign lights are expensive, cannot be intelligently controlled, cannot switch sign arrows, and the light sources interfere with each other.

Method used

The light-emitting cavity is divided into two chambers by vertically arranged light source components inside the housing. The light sources are placed in different chambers and can be independently controlled by the light source components. The vertical arrangement of the light source components allows light to diffusely reflect and illuminate the chambers, avoiding mutual interference between the light sources.

Benefits of technology

It achieves independent control of light sources, resulting in clear and bright light effects, and the light sources do not interfere with each other, thereby reducing production costs and improving the product's pressure resistance and light uniformity.

✦ Generated by Eureka AI based on patent content.

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Abstract

A light-emitting structure of an underground marker lamp is characterized by comprising a shell provided with a light-emitting cavity; the light source assembly is vertically arranged in the middle of the light-emitting cavity and divides the light-emitting cavity into a first cavity body and a second cavity body, the light source assembly is provided with a first light source and a second light source, the first light source is arranged in the first cavity body, and the second light source is arranged in the second cavity body; the light-emitting cavity is covered with the marking piece, a first arrow and a second arrow are arranged on the marking piece, the first arrow is arranged above the first cavity, and the second arrow is arranged above the second cavity. When an emergency situation occurs, the light of the first light source and / or the light of the second light source can be controlled to irradiate the first cavity and / or the second cavity respectively according to use requirements, and due to blocking of the light source assembly, the light of the first cavity cannot be transmitted to the second cavity.
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Description

TECHNICAL FIELD

[0001] The utility model relates to emergency lamps technical field especially is related to a light emitting structure of buried marker light. BACKGROUND

[0002] According to the fire safety requirement, in the public building or the building nearby, requires installing the fire emergency marker light, is used for the fire emergency evacuation indication. The existing fire emergency marker light one kind is buried type fire emergency marker light, along with GB51309 formal implementation, stipulated that large building place must use intelligent marker light, namely the marker light can according to the use demand selective control one of the marker arrow's bright and dark, and the light between two marker arrows can not influence each other. In order to realize intelligent control, the existing buried marker light's lighting mode is to use the light guide plate light guide, the shell interior is equipped with two light guide plates, the system can according to the use demand and light up the LED light source corresponding to one light guide plate and through the light guide plate and the light transmission piece and show the light to the outside, but the manufacture of light guide plate is extremely expensive, and the whole lamp accessory is numerous, resulting in the cost of product is extremely high. There is also a straight light emitting type buried lamp on the market, that is, the buried lamp is provided with a cavity, and the LED light source directly lights up the whole cavity, but the structure cannot switch the marker arrow, so it cannot be applied to the intelligent buried marker light. SUMMARY

[0003] The utility model discloses a light emitting structure of buried marker light, which is simple in structure, firm, clear in switching of marker arrows, and the light displayed by each marker arrow does not affect each other.

[0004] In order to realize the above object, the utility model provides the following technical scheme: a light emitting structure of buried marker light, comprising:

[0005] The shell is provided with a light emitting cavity.

[0006] The light source assembly is vertically arranged in the middle of the light emitting cavity and divides the light emitting cavity into a first cavity and a second cavity. The light source assembly is provided with a first light source and a second light source. The first light source is arranged in the first cavity, and the second light source is arranged in the second cavity.

[0007] The marker is covered on the light emitting cavity. The marker is provided with a first arrow and a second arrow. The first arrow is arranged above the first cavity, and the second arrow is arranged above the second cavity.

[0008] Preferably, the light source assembly includes a light source plate. The first light source and the second light source are arranged on the same light source plate and are arranged on two sides of the light source plate.

[0009] Preferably, the light source assembly comprises a light source plate and a baffle vertically arranged in the middle of the light emitting cavity, the number of the light source plate is two and arranged on both sides of the baffle respectively, the first light source and the second light source are arranged on the two light source plates respectively.

[0010] Preferably, the first light source comprises two or more light sources, the second light source comprises two or more light sources, and the number of the light sources of the first light source is equal to the number of the light sources of the second light source.

[0011] Preferably, the sign part is provided with an inwardly recessed light separation groove, and the light separation groove is arranged on the side facing the light source assembly.

[0012] Preferably, the light source assembly comprises a light source plate, and the upper side of the light source plate extends into the light separation groove.

[0013] Preferably, the shape of the light source plate is matched with the cross-sectional shape of the light emitting cavity.

[0014] A) the side of the light emitting cavity is a slope or an arc surface; or,

[0015] B) the side of the light emitting cavity is a vertical surface perpendicular to the bottom surface of the light emitting cavity.

[0016] Preferably, the light emitting cavity is provided with a clamping plate groove, and the light source assembly is fixed in the light emitting cavity through the clamping plate groove.

[0017] A) the clamping plate groove is arranged at the bottom of the light emitting cavity; and / or,

[0018] B) the clamping plate groove is arranged on the side of the light emitting cavity; and / or,

[0019] C) the clamping plate groove is formed by extending from the side of the light emitting cavity to the middle of the light emitting cavity.

[0020] Preferably, the light source assembly further comprises a baffle vertically arranged in the middle of the light emitting cavity, the baffle is formed by extending from the side of the light emitting cavity to the middle of the light emitting cavity, the middle of the baffle is a notch-shaped plate releasing part, the clamping plate groove is arranged in the plate releasing part, and the light source plate is arranged in the clamping plate groove.

[0021] Preferably, the middle of the light emitting cavity is provided with a supporting column, and the supporting column abuts against the lower side of the sign part.

[0022] Preferably, the shape of the light source plate is matched with the shape of the clamping plate groove.

[0023] Preferably, the first light source and the second light source are arranged on the light source assembly close to the bottom of the light emitting cavity.

[0024] Preferably, the side surface of the baffle is shaped to match the cross-sectional shape of the side surface of the light-emitting cavity.

[0025] A) the side surface of the light-emitting cavity is a slope or an arc surface; or,

[0026] B) the side surface of the light-emitting cavity is a vertical surface perpendicular to the bottom surface of the light-emitting cavity.

[0027] Preferably, the shell is provided with a wire outlet hole, and the wire outlet hole is arranged on the outer wall of the side surface of the light-emitting cavity.

[0028] Preferably, the baffle comprises a first baffle arranged at the position of the central axis of the light-emitting cavity, a second baffle arranged above the wire outlet hole, and a third baffle connecting the first baffle and the second baffle, the first baffle and the second baffle are in different planes, and the wire releasing groove is arranged on the first baffle.

[0029] Preferably, the light-emitting cavity is provided with a wire releasing groove, the wire outlet hole is arranged in the wire releasing groove, the second baffle and the third baffle are formed around the wire releasing groove, and the wire releasing groove is arranged outside the range of the first arrow and the second arrow.

[0030] The light-emitting structure of the buried marker lamp provided by the utility model can produce the following beneficial effects: (1) the light source assembly is arranged in the middle part of the light-emitting cavity, and the light-emitting cavity is divided into a first cavity and a second cavity; when an emergency occurs, the light source assembly can control the light of the first light source and / or the light of the second light source to irradiate the first cavity and / or the second cavity respectively according to the use requirement, and due to the blocking of the light source assembly, the light of the first cavity cannot be transmitted to the second cavity, the light is converged to the first arrow above the first cavity, the light displayed by the first arrow is clearer, and the second arrow has no light effect; (2) since the light source assembly is vertically arranged in the middle part of the light-emitting cavity, the light of the light source on the light source assembly will irradiate the side wall of the light-emitting cavity in a diffuse reflection manner to illuminate the corresponding cavity, so the light of the first arrow and / or the second arrow will be very uniform and not dazzling. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a perspective view of the utility model.

[0032] Figure 2 is an exploded perspective view of example one in the utility model.

[0033] Figure 3 is a perspective view of the marker and the shell separated after example one in the utility model.

[0034] Figure 4 is a perspective view of the marker and the shell separated after example one in the utility model. Figure 1 is a sectional view of A-A in the utility model.

[0035] Figure 5 is the exploded perspective view of the embodiment two in the utility model.

[0036] Figure 6 is the perspective view of the sign part and the shell after being separated in the embodiment two in the utility model.

[0037] Figure 7 is the perspective view of the sign part in the embodiment two in the utility model. Figure 1 the sectional view of A-A.

[0038] Figure 8 is the perspective view of the sign part in the embodiment two in the utility model.

[0039] 1-shell;11-emitting cavity;12-first cavity;13-second cavity;2-light source assembly;21-light source plate;22-first light source;23-second light source;3-sign part;31-light separation groove;32-first arrowhead;33-second arrowhead;4-sign plate;41-sign hole;5-baffle;51-baffle part;52-baffle groove;53-first baffle;54-second baffle;55-third baffle;6-support column;7-wire outlet hole;71-wire outlet groove. DETAILED DESCRIPTION

[0040] The technical scheme of the utility model will be further explained in combination with specific embodiments. EMBODIMENT

[0041] As Figures 1 to 4As shown, a light-emitting structure of a buried sign lamp comprises a shell 1 provided with a light-emitting cavity 11; a light source assembly 2 vertically arranged in the middle of the light-emitting cavity 11 and separating the light-emitting cavity 11 into a first cavity 12 and a second cavity 13, the light source assembly 2 being provided with a first light source 22 and a second light source 23, the first light source 22 being arranged in the first cavity 12, and the second light source 23 being arranged in the second cavity 13; a sign member 3 covering the light-emitting cavity 11, the sign member 3 being provided with a first arrow 32 and a second arrow 33, the first arrow 32 being arranged above the first cavity 12, and the second arrow 33 being arranged above the second cavity 13; the light source assembly 2 comprising a light source plate 21, the first light source 22 and the second light source 23 being arranged on the same light source plate 21 and separately arranged on two sides of the light source plate 21, the light source assembly 2 being arranged in the middle of the light-emitting cavity 11 and separating the light-emitting cavity 11 into the first cavity 12 and the second cavity 13, when an emergency occurs, the light source assembly 2 can control the light of the first light source 22 and / or the light of the second light source 23 to irradiate the first cavity 12 and / or the second cavity 13 respectively according to the use requirement, and due to the blocking of the light source assembly 2, the light of the first cavity 12 cannot be transmitted to the second cavity 13, and the light converges to the first arrow 32 above the first cavity 12, so that the light displayed by the first arrow 32 is clearer, and the second arrow 33 has no light effect; since the light source assembly 2 is vertically arranged in the middle of the light-emitting cavity 11, the light of the light source on the light source assembly 2 will irradiate the side wall of the light-emitting cavity 11 in a diffuse reflection manner to illuminate the corresponding cavity, so that the light of the first arrow 32 and / or the second arrow 33 is very uniform and not dazzling.

[0042] The first light source 22 comprises two or more light sources, the second light source 23 comprises two or more light sources, the number of light sources of the first light source 22 is equal to the number of light sources of the second light source 23, so as to ensure that the light of the first arrow 32 and / or the light of the second arrow 33 is clear and bright, and the light effect is the same.

[0043] The light source assembly 2 further comprises a baffle 5 vertically arranged in the middle of the light-emitting cavity 11, the baffle 5 extending from the side of the light-emitting cavity 11 to the middle, the middle of the baffle 5 being a notch-shaped plate 51, the plate 51 being provided with a clamping plate groove 52, and the light source plate 21 being arranged in the clamping plate groove 52; the shape of the light source plate 21 is matched with the shape of the clamping plate groove 52. This structure can fix the light source plate 21 and prevent the light source plate 21 from falling off, and can further simplify the shape of the light source plate 21, save the manufacturing materials of the light source plate 21, and reduce the product cost.

[0044] The support column 6 is arranged in the middle of the light emitting cavity 11 and abuts against the sign 4, and the support column 6 can support the sign 4, thereby enhancing the bearing capacity of the sign 4 and improving the overall compression resistance of the product.

[0045] The shell 1 is provided with a wire outlet hole 7 arranged on the outer wall of the side of the light emitting cavity 11, and compared with the conventional lamp, the structure can reduce the thickness of the product, thereby saving the production cost of the product.

[0046] The baffle 5 comprises a first baffle 53 arranged at the central axis position of the light emitting cavity, a second baffle 54 arranged above the wire outlet hole 7 and a third baffle 55 connecting the first baffle 53 and the second baffle 54, the first baffle 53 and the second baffle 54 are in different planes, and the baffle part 51 is arranged on the first baffle 53; the light emitting cavity is provided with a wire winding groove, the wire outlet hole 7 is arranged in the wire winding groove 71, the second baffle 54 and the third baffle 55 are formed around the wire winding groove 71, the wire winding groove 71 is arranged outside the range of the first arrow 32 and the second arrow 33, the wire winding groove 71 can be filled with glue, so as to prevent water vapor from entering the inside of the lamp body through the wire outlet hole 7, and in order to prevent the waterproof groove 7 from affecting the light effect of the first arrow 32 or the second arrow 33, the waterproof groove 7 needs to be arranged at the middle position of the light emitting cavity 11, and therefore the first baffle 53 and the second baffle 54 need to be in different planes, in some embodiments, the second baffle 54 and the third baffle 55 are arranged in the shape of a circular arc, but because the functions are the same, they should be within the protection scope of the utility model.

[0047] The first light source 22 and the second light source 23 are arranged on the light source plate 21 close to the bottom of the light emitting cavity 11, and the structure can increase the irradiation space of the first light source 22 and the second light source 23, so that the light of the first light source 22 and the light of the second light source 23 have enough space to diffuse, so that the light is more fully utilized, and the light emitted from the front of the first arrow 32 and / or the second arrow 33 is more uniform.

[0048] The shell 1 is provided with a sign plate 4, the sign plate 4 is provided with a sign hole 41, and the first arrow 32 and the second arrow 33 are upwardly protruding and arranged in the sign hole 41. Embodiment

[0049] As Figure 1 , Figure 5 , Figure 6 , Figure 7 , Figure 8As shown, a light-emitting structure of a buried sign lamp comprises a shell 1 provided with a light-emitting cavity 11; a light source assembly 2 vertically arranged in the middle of the light-emitting cavity 11 and separating the light-emitting cavity 11 into a first cavity 12 and a second cavity 13, the light source assembly 2 being provided with a first light source 22 and a second light source 23, the first light source 22 being arranged in the first cavity 12, and the second light source 23 being arranged in the second cavity 13; a sign member 3 covering the light-emitting cavity 11, the sign member 3 being provided with a first arrow 32 and a second arrow 33, the first arrow 32 being arranged above the first cavity 12, and the second arrow 33 being arranged above the second cavity 13; the light source assembly 2 comprises a light source plate 21, the first light source 22 and the second light source 23 being arranged on the same light source plate 21 and separately arranged on two sides of the light source plate 21, the light source assembly 2 being arranged in the middle of the light-emitting cavity 11 and separating the light-emitting cavity 11 into the first cavity 12 and the second cavity 13, when an emergency occurs, the light source assembly 2 can control the light of the first light source 22 and / or the light of the second light source 23 to irradiate the first cavity 12 and / or the second cavity 13 respectively according to the use requirement, and due to the blocking of the light source assembly 2, the light of the first cavity 12 cannot be transmitted to the second cavity 13, and the light converges to the first arrow 32 above the first cavity 12, so that the light displayed by the first arrow 32 is clearer, and the second arrow 33 has no light effect; since the light source assembly 2 is vertically arranged in the middle of the light-emitting cavity 11, the light of the light source on the light source assembly 2 will irradiate the side wall of the light-emitting cavity 11 in a diffuse reflection manner to illuminate the corresponding cavity, so that the light of the first arrow 32 and / or the second arrow 33 is very uniform and not dazzling.

[0050] In some embodiments, the light source assembly 2 comprises a light source plate 21 and a baffle 5 vertically arranged in the middle of the light-emitting cavity 11, the number of the light source plate 21 is two and is separately arranged on two sides of the baffle 5, the first light source 22 and the second light source 23 are separately arranged on the two light source plates 21, and the baffle 5 plays a role of light blocking and fixing the light source plate 21, and this structure can also achieve the design purpose of the utility model.

[0051] The first light source 22 comprises two or more light sources, the second light source 23 comprises two or more light sources, the number of the light sources of the first light source 22 is equal to the number of the light sources of the second light source 23, so as to ensure that the light of the first arrow 32 and / or the light of the second arrow 33 is clear and bright, and the light effect is the same.

[0052] The sign 3 is provided with an inwardly recessed light partition groove 31, which is arranged on the side facing the light source assembly 2; since the sign 3 has light transmission / light guiding property, the light partition groove 31 can reduce the connecting area between the first arrow 32 and the second arrow 33, and prevent the light of the first arrow 32 from being transmitted to the second arrow 33 through the sign 3. The light source assembly 2 comprises a light source plate 21, and the upper side of the light source plate 21 extends into the light partition groove 31; this structure can prevent the light of the first cavity 12 from being transmitted to the second cavity 13.

[0053] The shape of the light source plate 21 is adapted to the cross-sectional shape of the light emitting cavity 11; the side of the light emitting cavity 11 is a slope or an arc; or, the side of the light emitting cavity 11 is a vertical surface perpendicular to the bottom surface of the light emitting cavity 11; this structure can prevent the light of the first cavity 12 from being transmitted to the second cavity 13; in some embodiments, the shape of the side of the baffle is adapted to the cross-sectional shape of the side of the light emitting cavity 11; the side of the light emitting cavity 11 is a slope or an arc; or, the side of the light emitting cavity 11 is a vertical surface perpendicular to the bottom surface of the light emitting cavity 11.

[0054] The light emitting cavity 11 is internally provided with a clamping plate groove 52, and the light source assembly 2 is fixed in the light emitting cavity 11 through the clamping plate groove 52; the clamping plate groove 52 is arranged on the bottom of the light emitting cavity 11; and / or, the clamping plate groove 52 is arranged on the side of the light emitting cavity 11, and / or, the clamping plate groove 52 is formed by the side of the light emitting cavity 11 extending to the middle part of the light emitting cavity 11; this structure can fix the light source assembly 2, and prevent the light source assembly 2 from falling off.

[0055] The first light source 22 and the second light source 23 are arranged on the light source plate 21 close to the bottom of the light emitting cavity 11; this structure can increase the irradiation space of the first light source 22 and the second light source 23, so that the light of the first light source 22 and the light of the second light source 23 have enough space to diffuse, so that the light is more fully utilized, and the light emitted from the front of the first arrow 32 and the second arrow 33 is more uniform.

[0056] The shell 1 is provided with a sign plate 4, and the sign plate 4 is provided with a sign hole 41; the first arrow 32 and the second arrow 33 are upwardly protruding and arranged in the sign hole 41.

[0057] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.

Claims

1. A light emitting structure of a buried marker light, characterized by, The application relates to a light-emitting shell, which comprises the following parts: a shell provided with a light-emitting cavity; a light source assembly vertically arranged in the middle part of the light-emitting cavity and separating the light-emitting cavity into a first cavity and a second cavity, the light source assembly being provided with a first light source and a second light source, the first light source being arranged in the first cavity and the second light source being arranged in the second cavity; a sign part covering the light-emitting cavity, the sign part being provided with a first arrow and a second arrow, the first arrow being arranged above the first cavity and the second arrow being arranged above the second cavity.

2. The light emitting structure of the buried marker light according to claim 1, wherein, The light source assembly comprises a light source plate, the first light source and the second light source being arranged on the same light source plate and being arranged on two sides of the light source plate.

3. The light emitting structure of the buried marker light according to claim 1, wherein, The light source assembly comprises a light source plate and a baffle vertically arranged in the middle part of the light-emitting cavity, the number of the light source plates being two and the two light source plates being arranged on two sides of the baffle, the first light source and the second light source being arranged on the two light source plates.

4. The light emitting structure of the buried marker light according to claim 1, wherein, The first light source comprises two or more light sources, the second light source comprises two or more light sources, and the number of the light sources of the first light source is equal to the number of the light sources of the second light source.

5. The light emitting structure of the buried marker light according to claim 1, wherein, The sign part is provided with an inwardly recessed light-separating groove, the light-separating groove being arranged on the side facing the light source assembly.

6. The light emitting structure of the buried marker light according to claim 5, wherein, The light source plate is provided with an upper side extending into the light-separating groove.

7. The light emitting structure of the buried marker light according to claim 2, wherein, The shape of the light source plate is matched with the cross-sectional shape of the light-emitting cavity. A) the side of the light-emitting cavity is a slope or an arc; or B) the side of the light-emitting cavity is a vertical surface perpendicular to the bottom surface of the light-emitting cavity.

8. The light emitting structure of the buried marker light according to claim 1, wherein, The light-emitting cavity is internally provided with a clamping plate groove, and the light source assembly is fixed in the light-emitting cavity through the clamping plate groove. A) the clamping plate groove is arranged on the bottom of the light-emitting cavity; and / or B) the clamping plate groove is arranged on the side of the light-emitting cavity; and / or C) the clamping plate groove is formed by extending the side of the light-emitting cavity to the middle part of the light-emitting cavity.

9. The light emitting structure of the buried marker light according to claim 2, wherein, The light source assembly further comprises a baffle vertically arranged in the middle part of the light-emitting cavity, the baffle being formed by extending the side of the light-emitting cavity to the middle part, the middle part of the baffle being a notch-shaped clamping plate groove, and the light source plate being arranged in the clamping plate groove.

10. The light emitting structure of the buried marker light according to claim 1, wherein, The middle part of the light-emitting cavity is provided with a supporting column abutting against the sign part below.

11. The light emitting structure of a buried marker according to claim 9, wherein The shape of the light source plate is matched with the shape of the clamping plate groove.

12. The light emitting structure of the buried marker light according to claim 1, wherein, The first light source and the second light source are arranged on the light source assembly close to the bottom of the light-emitting cavity.

13. The light emitting structure of the buried marker according to claim 3 or 9, wherein The shape of the side of the baffle is matched with the cross-sectional shape of the side of the light-emitting cavity. A) the side of the light-emitting cavity is a slope or an arc; or B) the side of the light-emitting cavity is a vertical surface perpendicular to the bottom surface of the light-emitting cavity.

14. The light emitting structure of a buried marker according to claim 9, wherein The shell is provided with a wire outlet hole, and the wire outlet hole is arranged on the outer wall of the side of the light-emitting cavity.

15. The light emitting structure of a buried marker according to claim 14, wherein The baffle comprises a first baffle arranged at the central axis position of the light-emitting cavity, a second baffle arranged above the wire outlet hole and a third baffle connecting the first baffle and the second baffle, the first baffle and the second baffle being in different planes, and the notch-shaped clamping plate groove being arranged on the first baffle.

16. The light emitting structure of a buried marker according to claim 15, wherein The light-emitting cavity is provided with a wire releasing groove, the wire outlet hole is arranged in the wire releasing groove, the second baffle and the third baffle are formed around the wire releasing groove, and the wire releasing groove is arranged outside the range of the first arrow and the second arrow.