Embedded ceiling lamp for fire emergency lighting

Abstract

The utility model discloses an embedded ceiling lamp for fire emergency lighting. The embedded ceiling lamp comprises a back plate. A first threaded sleeve is arranged in the middle of the upper end of the back plate, a double-end stud is in threaded connection with the interior of the first threaded sleeve, the upper end of the double-end stud is in threaded connection with a screw hole in the middle of a fixing piece, first bolts are inserted into two insertion holes in the edge of the fixing piece, and second threaded sleeves are in threaded connection with the upper ends of screw rods of the first bolts; the upper ends of the two second threaded sleeves are fixedly connected with the top wall of a mounting shell, expansion bolts are inserted into sockets in the upper end of the mounting shell, a heat dissipation shell is arranged at the lower end of the back plate, the lamp holder is arranged in the center of the top wall of the heat dissipation shell, the light scattering plate is arranged on the edge of the inner wall of the heat dissipation shell, and a single chip microcomputer is arranged at the upper end of the heat dissipation shell. The embedded ceiling lamp for fire emergency lighting is convenient to install, when the embedded ceiling lamp is disassembled and maintained, only the lamp body needs to be screwed off for maintenance, the whole structure does not need to be disassembled, and the workload of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of emergency lighting, in particular to a built-in ceiling lamp for fire emergency lighting. Background Art

[0002] Emergency lighting is a type of lighting that can effectively illuminate and display evacuation routes or can continuously illuminate without interruption when the normal lighting power supply fails. It is widely used in public places and places where lighting cannot be interrupted.

[0003] When the existing embedded ceiling lamp for fire emergency lighting is not working, the light source driver drives the light source to illuminate normally, and the battery pack is replenished with power through the rectifier. When an emergency occurs and the city power suddenly stops, the inverter will automatically start the inverter circuit, convert the low-voltage power of the battery pack into high-voltage power, and drive the light source to continue lighting.

[0004] This type of embedded ceiling lamp for fire emergency lighting has the following problems: most of the lamps are integrated structure lamps, which are inconvenient to install. When dismantling and maintaining, they need to be dismantled as a whole, which is cumbersome and increases the workload of personnel. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide an embedded ceiling lamp for fire emergency lighting, a split structure lamp, which is easy to install. When disassembled for maintenance, only the lamp body needs to be unscrewed for repair without disassembling the entire structure, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A recessed ceiling lamp for fire emergency lighting comprises a back plate;

[0007] Back plate: a first threaded sleeve is provided in the middle of the upper end thereof, two studs are connected to the internal threads of the first threaded sleeve, the upper ends of the two studs are threadedly connected to the screw holes in the middle of the fixing plate, first bolts are inserted into the two insertion holes at the edge of the fixing plate, the upper ends of the screw rods of the first bolts are threadedly connected to the second threaded sleeves, the upper ends of the two second threaded sleeves are fixedly connected to the top wall of a mounting shell, and expansion bolts are inserted into the sockets at the upper end of the mounting shell;

[0008] Wherein: it also includes a lamp holder and a diffuser plate, the lower end of the back plate is provided with a heat dissipation shell, the lamp holder is arranged at the center of the top wall of the heat dissipation shell, and the diffuser plate is arranged at the edge of the inner wall of the heat dissipation shell;

[0009] Wherein: a single chip microcomputer is arranged at the upper end of the heat dissipation shell, the input end of the single chip microcomputer is electrically connected to an external power supply, and the output end of the single chip microcomputer is electrically connected to the input end of the lamp holder, which is easy to install and can be repaired without disassembling the whole when maintenance is required, thereby reducing the workload of personnel.

[0010] Furthermore, the outer surface of the heat dissipation shell is provided with evenly distributed heat dissipation holes, which reduces the temperature of the lamp holder and dissipates heat in time to extend the service life of the lamp holder.

[0011] Furthermore, an outer shell is provided at the bottom end of the heat dissipation shell, and the outer shell is a circular sealing plate structure. The central axis of the outer shell coincides with the central axis of the heat dissipation shell, and a transparent cover is provided in the middle of the outer shell to prevent dust from entering the lamp holder and the diffuser.

[0012] Furthermore, it also includes an adjusting head, which is respectively arranged at the lower end of the rod body of the expansion bolt to facilitate the adjustment of the expansion bolt.

[0013] Furthermore, a circular limiting plate is provided in the middle of the two-end studs, and the circular limiting plate is located at the lower end of the fixing plate. The lower end of the circular limiting plate is in contact with the upper edge surface of the first threaded sleeve, which plays a limiting role during installation and connection.

[0014] Furthermore, the bottom end of the mounting shell contacts the upper end of the fixing plate, and the mounting shell is an insulating plastic mounting shell to prevent the lamp from leaking electricity.

[0015] Furthermore, the transparent cover is a PMMA transparent frosted lamp cover, which is conducive to enhancing lighting.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the embedded ceiling lamp for fire emergency lighting has the following advantages:

[0017] 1. Insert the expansion bolts into the sockets at the upper end of the mounting shell respectively, and embed the upper ends of the expansion bolts into the wall. At this time, the upper end of the mounting shell fits the wall surface, rotate the expansion bolt with the adjusting head to fix the expansion bolt in the mounting hole of the wall. After it is firmly fixed, place the fixing plate on the lower surface of the mounting shell, align the sockets at both ends of the fixing plate with the inner cavity of the second threaded sleeve, screw the first bolt into the second threaded sleeve until the bottom end of the mounting shell contacts the upper end of the fixing plate, thread the lower parts of the two studs with the first threaded sleeve, and screw the upper parts of the two studs into the screw holes in the middle of the fixing plate. The circular ring limiting plates in the middle of the two studs fit with the outer surface of the fixing plate, and the lower end of the circular ring limiting plates fit with the upper edge of the first threaded sleeve, thereby completing the fixation of the embedded ceiling lamp for fire emergency lighting. The ceiling lamp is a split structure lamp, which is easy to install during the construction of fire emergency lighting.

[0018] 2. When disassembly and maintenance are required, the first bolt can be separated from the second threaded sleeve, or the two studs can be separated from the screw holes in the middle of the fixing plate, or the two studs can be separated from the first threaded sleeve. Maintenance can be carried out without overall disassembly, which reduces the workload of personnel during the maintenance of fire emergency lighting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0021] In the figure: 1 housing, 2 transparent cover, 3 single chip microcomputer, 4 heat dissipation hole, 5 first threaded sleeve, 51 two-end studs, 6 first bolts, 7 fixing plates, 8 second threaded sleeves, 9 adjustment heads, 10 mounting shells, 11 expansion bolts, 12 heat dissipation shells, 13 back plates, 14 lamp holders, and 15 diffuser plates. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-2 ,This embodiment provides a technical solution: an embedded ceiling lamp for fire emergency lighting, including a back panel 13;

[0024] Back plate 13: A first threaded sleeve 5 is provided in the middle of its upper end, and two studs 51 are connected to the inner thread of the first threaded sleeve 5, and the upper ends of the two studs 51 are threadedly connected to the screw holes in the middle of the fixing plate 7, and a circular ring limiter is provided in the middle of the two studs 51, and the circular ring limiter is located at the lower end of the fixing plate 7, and the lower end of the circular ring limiter is in contact with the upper edge of the first threaded sleeve 5. The two plug holes at the edge of the fixing plate 7 are both plugged with first bolts 6, and the upper ends of the screws of the first bolts 6 are both threadedly connected to the second threaded sleeve 8. After being firmly fixed, the fixing plate 7 is placed on the lower surface of the mounting shell 10 to make it fixed. The jacks at both ends of the fixed plate 7 are aligned with the inner cavity of the second threaded sleeve 8, the upper ends of the two second threaded sleeves 8 are fixedly connected to the top wall of a mounting shell 10, the sockets at the upper end of the mounting shell 10 are plugged with expansion bolts 11, the bottom end of the mounting shell 10 is in contact with the upper end of the fixed plate 7, the mounting shell 10 is an insulating plastic mounting shell, the expansion bolts 11 are respectively inserted into the sockets at the upper end of the mounting shell 10, and the upper ends of the expansion bolts 11 are embedded in the wall, at this time, the upper end of the mounting shell 10 is in contact with the wall surface, and the expansion bolts 11 are rotated by the adjusting head 9 to fix the expansion bolts 11 in the mounting opening of the wall;

[0025] Wherein: it also includes a lamp holder 14 and a diffuser plate 15, a heat dissipation shell 12 is provided at the lower end of the back plate 13, the lamp holder 14 is arranged at the center of the top wall of the heat dissipation shell 12, and the diffuser plate 15 is arranged at the edge of the inner wall of the heat dissipation shell 12, which is conducive to enhancing light;

[0026] Wherein: a single chip microcomputer 3 is disposed at the upper end of the heat dissipation shell 12, an input end of the single chip microcomputer 3 is electrically connected to an external power supply, and an output end of the single chip microcomputer 3 is electrically connected to an input end of a lamp holder 14, so as to regulate the normal operation of the lamp holder 14.

[0027] Among them, the outer surface of the heat dissipation shell 12 is provided with evenly distributed heat dissipation holes 4, which reduces the temperature of the lamp holder and prolongs the service life of the lamp holder.

[0028] Wherein: a shell 1 is provided at the bottom end of the heat dissipation shell 12, and the shell 1 is a circular sealing plate structure. The central axis of the shell 1 coincides with the central axis of the heat dissipation shell 12. A transparent cover 2 is provided in the middle of the shell 1, and the transparent cover 2 is a PMMA transparent frosted lampshade to prevent dust from entering the lamp head and the diffuser.

[0029] Wherein: it also includes an adjusting head 9, and the adjusting head 9 is respectively arranged at the lower end of the rod body of the expansion bolt 11.

[0030] The working principle of the embedded ceiling lamp for fire emergency lighting provided by the utility model is as follows: insert the expansion bolts 11 into the sockets at the upper end of the installation shell 10 respectively, and embed the upper ends of the expansion bolts 11 into the fire wall. At this time, the upper end of the installation shell 10 fits the surface of the fire wall, and the adjustment head 9 rotates the expansion bolts 11 to fix the expansion bolts 11 in the installation opening of the wall. After it is firmly fixed, place the fixing plate 7 on the lower surface of the installation shell 10, align the sockets at both ends of the fixing plate 7 with the inner cavity of the second threaded sleeve 8, screw the first bolt 6 into the second threaded sleeve 8, until the bottom end of the installation shell 10 contacts the upper end of the fixing plate 7, and thread the lower parts of the two-end studs 51 with the first threaded sleeve 5. Then, the upper parts of the two studs 51 are screwed into the screw holes in the middle of the fixing plate 7, the circular limit plates in the middle of the two studs 51 are fitted with the outer surface of the fixing plate 7, and the lower ends of the circular limit plates are fitted with the upper edge of the first threaded sleeve 5, thereby completing the fixation of the embedded ceiling lamp for fire emergency lighting. The input end of the single-chip microcomputer 3 is electrically connected to the external power supply, and the output end of the single-chip microcomputer 3 is electrically connected to the input end of the lamp holder 14. The single-chip microcomputer 3 is turned on to make the lamp holder 14 work and diffuse the light source with the help of the diffuser 15. When disassembly and maintenance are required, the first bolt 6 can be separated from the second threaded sleeve 8 or the two studs 51 can be separated from the screw holes in the middle of the fixing plate 7, or the two studs 51 can be separated from the first threaded sleeve 5, without the need for overall disassembly.

[0031] It is worth noting that the single chip microcomputer 3 disclosed in the above embodiments can be S7-200, the lamp holder 14 can be 3014 lamp beads, and the single chip microcomputer 3 controls the lamp holder 14 to work using methods commonly used in the prior art.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Embedded ceiling lamp for fire emergency lighting, characterized by: comprising a back plate (13); The back plate (13) is provided with a first threaded sleeve (5) in the middle of the upper end thereof, the internal thread of the first threaded sleeve (5) is connected with two studs (51), the upper ends of the two studs (51) are threadedly connected with the screw holes in the middle of the fixing plate (7), the first bolts (6) are inserted into the two insertion holes at the edge of the fixing plate (7), the upper ends of the screw rods of the first bolts (6) are threadedly connected with the second threaded sleeves (8), the upper ends of the two second threaded sleeves (8) are fixedly connected with the top wall of a mounting shell (10), and the sockets at the upper end of the mounting shell (10) are inserted with expansion bolts (11); The invention further comprises a lamp holder (14) and a diffuser plate (15); a heat dissipation shell (12) is provided at the lower end of the back plate (13); the lamp holder (14) is arranged at the center of the top wall of the heat dissipation shell (12); and the diffuser plate (15) is arranged at the edge of the inner wall of the heat dissipation shell (12); Wherein: a single-chip computer (3) is provided at the upper end of the heat dissipation shell (12), an input end of the single-chip computer (3) is electrically connected to an external power supply, and an output end of the single-chip computer (3) is electrically connected to an input end of a lamp holder (14).

2. The embedded ceiling lamp for fire emergency lighting according to claim 1, characterized in that: The outer surface of the heat dissipation shell (12) is provided with evenly distributed heat dissipation holes (4).

3. The embedded ceiling lamp for fire emergency lighting according to claim 2, characterized in that: The bottom end of the heat dissipation shell (12) is provided with an outer shell (1), the outer shell (1) is a circular sealing plate structure, the central axis of the outer shell (1) coincides with the central axis of the heat dissipation shell (12), and a transparent cover (2) is provided in the middle of the outer shell (1).

4. The embedded ceiling lamp for fire emergency lighting according to claim 1, characterized in that: It also includes an adjusting head (9), which is respectively arranged at the lower end of the rod body of the expansion bolt (11).

5. The embedded ceiling lamp for fire emergency lighting according to claim 1, characterized in that: A circular stopper is provided in the middle of the two-end stud (51), the circular stopper is located at the lower end of the fixing plate (7), and the lower end of the circular stopper is in contact with the upper edge of the first threaded sleeve (5).

6. The embedded ceiling lamp for fire emergency lighting according to claim 1, characterized in that: The bottom end of the installation shell (10) contacts the upper end of the fixing plate (7), and the installation shell (10) is an insulating plastic installation shell.

7. The embedded ceiling lamp for fire emergency lighting according to claim 3, characterized in that: The transparent cover (2) is a PMMA transparent frosted lamp cover.

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