Integrated anti-explosion emergency lighting lamp

By designing built-in emergency power components and driving power supply in the explosion-proof chamber in the emergency lighting fixture, the problem that existing lamps are not explosion-proof and have short lighting time is solved, and the lighting time is extended and the service life is improved in the event of power loss.

CN223216237UActive Publication Date: 2025-08-12SHANGHAI QINSHANG ELECTRIC CO LTD
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Patent Information

Application Number
CN202422487620.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-08-12
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

Existing emergency lighting fixtures are not explosion-proof and have too short lighting time, making them easily damaged.

Method used

An integrated explosion-proof emergency lighting fixture is designed, with built-in emergency power components and driving power supplies, adopting explosion-proof cavity structure, and sealing with thermally conductive potting glue. The connectors are compactly connected to ensure that the emergency power components are started when power is lost and the lighting time is extended.

Benefits of technology

It achieves extending lighting time in the event of power loss, avoiding damage to the lamp, and improving service life and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of emergency lighting lamps, and discloses an integrated explosion-proof emergency lighting lamp which comprises a shell and a rear cover, a first power supply is arranged in the shell, the first power supply is electrically connected with a light source assembly, the light source assembly is attached to the front face of the shell, the shell is in threaded connection with a pressing ring through a hexagon socket cap screw, and the pressing ring is in threaded connection with the rear cover. The shell is fixedly connected with an arc-shaped glass cover through a pressing ring, a second flat gasket is arranged at the contact point of the hexagon socket cap screw and the pressing ring, and the second flat gasket is attached to the pressing ring. According to the utility model, the emergency power supply assembly is arranged in the shell, when the user power supply is in a power-off state, the emergency power supply assembly starts an emergency state, the battery in the first power supply is boosted and converted into constant current to the light source assembly of the light source plate, and the light source is lightened, so that the illumination time of the illumination lamp can be prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of emergency lighting fixtures, in particular to an integrated explosion-proof emergency lighting fixture. Background Art

[0002] Fire emergency lighting fixtures provide illumination for personnel evacuation and firefighting operations. They are normally powered by an external power source and automatically switch to battery power in the event of a power outage. These fixtures are commonly installed in crowded areas such as high-rise buildings, shopping malls, and entertainment venues. However, most existing emergency lighting fixtures are not explosion-proof, are easily damaged, and have a short lighting duration. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an integrated explosion-proof emergency lighting fixture.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: an integrated explosion-proof emergency lighting fixture, comprising a shell and a back cover, a first power supply is provided in the shell, the first power supply is electrically connected to the light source assembly, and the light source assembly is attached to the front of the shell, the shell is threadedly connected to a pressure ring through a hexagonal cylindrical head screw, and the shell is fixed with a curved glass cover through the pressure ring, a second flat washer is provided at the contact point between the hexagonal cylindrical head screw and the pressure ring, the second flat washer is attached to the pressure ring, a second spring washer is pasted on the side of the second flat washer away from the pressure ring, and one end of the second spring washer away from the second flat washer is attached to the hexagonal cylindrical head screw, an emergency power supply assembly is provided in the shell, and the emergency power supply assembly is electrically connected to the light source assembly, and at the same time, the light source assembly is mounted on the shell through a third cross pan head screw.

[0005] As a further description of the above technical solution:

[0006] The back cover is threadedly connected to the shell via a second cross pan head screw. A first spring washer is provided at the contact point between the back cover and the shell, and one side of the first spring washer is affixed to the shell. A first flat washer is adhered to the side of the first spring washer away from the shell, and the side of the first flat washer away from the first spring washer is affixed to the second cross pan head screw. A grounding mark is provided on the back cover.

[0007] As a further description of the above technical solution:

[0008] An explosion-proof cavity is installed in the shell, the first power supply is installed on the explosion-proof cavity by a second cross pan head screw, the back cover is installed on the explosion-proof cavity by a second cross pan head screw, and a terminal is provided on the explosion-proof cavity. A plastic protective cover is sleeved on the terminal, and the plastic protective cover is fixed to the explosion-proof cavity.

[0009] As a further description of the above technical solution:

[0010] The emergency power supply component is located in the explosion-proof cavity and is sealed in the explosion-proof cavity by epoxy resin.

[0011] As a further description of the above technical solution:

[0012] A red steel paper gasket is fixedly connected to the inner side of the pressing ring, and one end of the red steel paper gasket away from the pressing ring is fitted on the curved glass cover.

[0013] As a further description of the above technical solution:

[0014] The shell and the curved glass cover are connected by gluing.

[0015] As a further description of the above technical solution:

[0016] A clamping nut is threadedly connected to the back cover, and a washer is provided at the contact point between the clamping nut and the back cover. A first cross pan head screw is threaded through the back cover, and one end of the first cross pan head screw is fitted on the clamping nut, and a sealing ring is provided between the clamping nut and the inner wall of the back cover.

[0017] The utility model has the following beneficial effects:

[0018] 1. In the present invention, an emergency power supply component is provided in the housing. When the user power supply is in a power-off state, the emergency power supply component starts the emergency state, the battery boost in the first power supply is converted into a constant current to the light source board light source component, and the light source is lit, thereby being able to extend the lighting time of the lighting fixture.

[0019] 2. In the present invention, the driving power supply, the first power supply, and the emergency power supply assembly are built into an explosion-proof cavity and sealed with a thermally conductive potting adhesive to achieve explosion-proof and waterproof effects. The first power supply and the emergency power supply assembly are in the same cavity and connected by connectors, with a compact structure, thereby avoiding damage to the lamp and extending the service life of the lighting fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a cross-sectional view of an integrated explosion-proof emergency lighting fixture proposed by the present utility model;

[0021] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0022] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0023] Figure 4 for Figure 1 Enlarged view of point C in the middle.

[0024] Legend:

[0025] 1. Compression nut; 2. Washer; 3. Sealing ring; 4. First cross pan head screw; 5. First spring washer; 6. First flat washer; 7. Ground mark; 8. Second cross pan head screw; 9. Wire clip; 10. First power supply; 11. Housing; 12. Compression ring; 13. Third cross pan head screw; 14. Curved glass cover; 15. Emergency power supply assembly; 16. Light source assembly; 17. Red steel paper gasket; 18. Hexagon socket head screw; 19. Second spring washer; 20. Second flat washer; 21. Terminal; 22. Plastic protective cover; 23. Back cover; 24. Nameplate; 25. Explosion-proof chamber. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Example 1: Please refer to Figures 1-4 , the utility model provides an embodiment: an integrated explosion-proof emergency lighting fixture, including a shell 11 and a back cover 23, a first power supply 10 is provided in the shell 11, the first power supply 10 is electrically connected to the light source assembly 16, and the light source assembly 16 is attached to the front of the shell 11, the shell 11 is threadedly connected to the pressure ring 12 through the hexagonal cylindrical head screw 18, and the shell 11 is fixed with the arc glass cover 14 through the pressure ring 12, a second flat washer 20 is provided at the contact point between the hexagonal cylindrical head screw 18 and the pressure ring 12, the second flat washer 20 is attached to the pressure ring 12, a second elastic washer 19 is pasted on the side of the second flat washer 20 away from the pressure ring 12, and one end of the second elastic washer 19 away from the second flat washer 20 is attached to the hexagonal cylindrical head screw 18, an emergency power supply assembly 15 is provided in the shell 11, and the emergency power supply assembly 15 is electrically connected to the light source assembly 16, and the light source assembly 16 is mounted on the shell 11 through a third cross pan head screw 13.

[0028] Working principle: The user connects the wires to the terminal 21 through the wire inlet on the compression nut 1 to power the emergency drive first power supply 10, and the driving power outputs a constant current to the light source component 16, so that the lamp is in a constantly on state. At the same time, when the user's power supply is in a power-off state, the emergency power supply component 15 starts the emergency state, and the battery in the first power supply 10 is boosted and converted into a constant current to the light source board light source component 16, and the light source is lit, thereby extending the lighting time of the lighting fixture.

[0029] As a preferred embodiment, the back cover 23 is threadedly connected to the shell 11 through a second cross pan head screw 8. A first spring washer 5 is provided at the contact point between the back cover 23 and the shell 11, and one side of the first spring washer 5 is attached to the shell 11. A first flat washer 6 is adhered to the side of the first spring washer 5 away from the shell 11, and the side of the first flat washer 6 away from the first spring washer 5 is attached to the second cross pan head screw 8. A grounding mark 7 is provided on the back cover 23.

[0030] like Figure 1-3 As shown, by providing a first spring washer 5 and a first flat washer 6 between the second cross pan head screw 8 and the upper housing 11 , it is convenient to remove the rear cover 23 from the housing 11 .

[0031] As a preferred embodiment, an explosion-proof cavity 25 is installed in the shell 11, the first power supply 10 is installed on the explosion-proof cavity 25 by the second cross pan head screw 8, and the back cover 23 is installed on the explosion-proof cavity 25 by the second cross pan head screw 8. The explosion-proof cavity 25 is provided with a terminal 21, and a plastic protective cover 22 is sleeved on the terminal 21, and the plastic protective cover 22 is fixed to the explosion-proof cavity 25.

[0032] like Figure 1-3 As shown: by placing the driving power supply first power supply 10 and the emergency power supply component 15 in the explosion-proof cavity 25 and sealing it with thermal conductive potting glue, it plays an explosion-proof and waterproof role.

[0033] As a preferred embodiment, the emergency power supply assembly 15 is located in the explosion-proof cavity 25 and is encapsulated in the explosion-proof cavity 25 by epoxy resin.

[0034] like Figure 1-3 As shown: This prevents the emergency power supply component 15 from exploding.

[0035] As a preferred embodiment, a red steel paper gasket 17 is fixedly connected to the inner side of the pressing ring 12 , and one end of the red steel paper gasket 17 away from the pressing ring 12 is attached to the curved glass cover 14 .

[0036] like Figure 1-3 As shown: In this way, the curved glass cover 14 can be more firmly mounted on the housing 11 .

[0037] As a preferred embodiment, the housing 11 and the curved glass cover 14 are connected by gluing.

[0038] As a preferred embodiment, a clamping nut 1 is threadedly connected to the back cover 23, a washer 2 is provided at the contact point between the clamping nut 1 and the back cover 23, a first cross pan head screw 4 is threaded through the back cover 23, and one end of the first cross pan head screw 4 is fitted on the clamping nut 1, and a sealing ring 3 is provided between the clamping nut 1 and the inner wall of the back cover 23.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An integrated explosion-proof emergency lighting fixture, comprising a housing (11) and a rear cover (23), characterized in that: The housing (11) is provided with a first power supply (10), the first power supply (10) is electrically connected to a light source assembly (16), and the light source assembly (16) is attached to the front surface of the housing (11), the housing (11) is threadedly connected to a pressure ring (12) via a hexagon socket head screw (18), and the housing (11) is fixedly connected to a curved glass cover (14) via the pressure ring (12), and a second flat washer (20) is provided at a contact point between the hexagon socket head screw (18) and the pressure ring (12), and the second flat washer (20) is attached to the pressure ring (12), a second spring washer (19) is attached to the side of the second flat washer (20) away from the pressure ring (12), and one end of the second spring washer (19) away from the second flat washer (20) is attached to the hexagon socket head screw (18), an emergency power supply assembly (15) is provided in the shell (11), and the emergency power supply assembly (15) is electrically connected to the light source assembly (16), and the light source assembly (16) is installed on the shell (11) through a third cross pan head screw (13).

2. The integrated explosion-proof emergency lighting fixture according to claim 1, characterized in that: The rear cover (23) is threadedly connected to the housing (11) via a second cross pan head screw (8); a first spring washer (5) is provided at a contact point between the rear cover (23) and the housing (11); one side of the first spring washer (5) is attached to the housing (11); a first flat washer (6) is attached to the side of the first spring washer (5) away from the housing (11); a side of the first flat washer (6) away from the first spring washer (5) is attached to the second cross pan head screw (8); and a grounding mark (7) is provided on the rear cover (23).

3. The integrated explosion-proof emergency lighting fixture according to claim 2, characterized in that: An explosion-proof cavity (25) is installed in the shell (11), the first power supply (10) is installed on the explosion-proof cavity (25) by a second cross pan head screw (8), the back cover (23) is installed on the explosion-proof cavity (25) by a second cross pan head screw (8), the explosion-proof cavity (25) is provided with a terminal (21), a plastic protective cover (22) is sleeved on the terminal (21), and the plastic protective cover (22) is fixed to the explosion-proof cavity (25).

4. The integrated explosion-proof emergency lighting fixture according to claim 3, characterized in that: The emergency power supply assembly (15) is located in the explosion-proof cavity (25) and is encapsulated in the explosion-proof cavity (25) by epoxy resin.

5. The integrated explosion-proof emergency lighting fixture according to claim 4, characterized in that: A red steel paper gasket (17) is fixedly connected to the inner side of the pressing ring (12), and one end of the red steel paper gasket (17) away from the pressing ring (12) is attached to the arc-shaped glass cover (14).

6. The integrated explosion-proof emergency lighting fixture according to claim 5, characterized in that: The housing (11) and the curved glass cover (14) are connected by gluing.

7. The integrated explosion-proof emergency lighting fixture according to claim 6, characterized in that: The rear cover (23) is threadedly connected to a clamping nut (1), a washer (2) is provided at the contact point between the clamping nut (1) and the rear cover (23), a first cross pan head screw (4) is threadedly connected to the rear cover (23), and one end of the first cross pan head screw (4) is fitted on the clamping nut (1), and a sealing ring (3) is provided between the clamping nut (1) and the inner wall of the rear cover (23).