Explosion-proof type LED lighting device
By designing an integrated explosion-proof LED lighting device, the stability, reliability and heat dissipation problems of existing explosion-proof LED tunnel lamps are solved, and the explosion-proof effect and safe temperature control are achieved at high pressure and high temperature.
Patent Information
- Application Number
- CN202420818578.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The existing explosion-proof LED tunnel lamp design and manufacturing have stability and reliability problems, and poor heat dissipation effect, resulting in an increase in the internal temperature of the lamp, which poses safety risks.
A explosion-proof LED lighting device is designed, using an integrated housing and high-quality seals to seal possible parts, limit surface temperature through fin heat dissipation ribs, and a drawstring is provided on the back cover to ensure stability and reliability.
The high-pressure and high-temperature tolerance of the explosion-proof shell is achieved, which prevents the spread of explosions, reduces the temperature of the lamp case, avoids the risk of igniting gas and coal dust, and ensures the stability and reliability of the lamp.
Smart Images
Figure CN222651301U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of explosion-proof lighting devices, and in particular relates to an explosion-proof LED lighting device. Background Art
[0002] The flameproof LED tunnel lights for mines use flameproof technology, which is a technology that isolates electrical circuits from flammable substances. It can effectively prevent sparks from electrical equipment and prevent flammable gases from mixing with oxygen and causing explosions. However, flameproof technology also has certain technical defects. First, the design and manufacture of flameproof electrical equipment by using mounting brackets instead of hanging lighting devices cannot guarantee stability and reliability. Second, the existing flameproof LED tunnel lights have poor heat dissipation effects, which can easily lead to an increase in the internal temperature of the lamps, posing a safety risk. Utility Model Content
[0003] The purpose of the utility model is to solve the problem that the existing flameproof LED alley lamp design and manufacturing flameproof electrical equipment cannot ensure stability and reliability by using mounting brackets instead of hanging lighting devices, and secondly, the existing flameproof LED alley lamp has poor heat dissipation effect, which easily leads to an increase in the internal temperature of the lamp, posing a safety risk, and thus a flameproof LED lighting device is proposed.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an explosion-proof LED lighting device, comprising a back cover and a shell, an installation cavity is formed between the back cover and the shell, a power control device and a wiring terminal are arranged in the installation cavity, a lamp trough is formed by a barrier between the bottom of the shell and the glass cover, a light source board and a lens are arranged in the lamp trough, a pressure ring is sleeved and connected to the edge of the glass cover, fixed installation holes are arranged on the back cover and the shell, a connecting hole is arranged on the mounting bracket, and a screw passes through the connecting hole and is connected to the fixed installation hole.
[0005] As a further description of the above technical solution:
[0006] A wire inlet screw sleeve is arranged on the inner side wall of the bottom of the shell, and the light source board and the lens are sequentially sleeved on the wire inlet screw sleeve.
[0007] As a further description of the above technical solution:
[0008] The outer peripheral sides of the rear cover and the shell are both provided with a plurality of fin heat dissipation ribs.
[0009] As a further description of the above technical solution:
[0010] The glass cover is provided with a protective net, the protective net is located between the pressure ring and the glass cover, the pressure ring is provided with a plurality of first fixing holes, the shell is provided with a plurality of second fixing holes, a connecting platform is provided on the peripheral side of the rear cover, the connecting platform is provided with a third fixing hole, and a connecting screw passes through the first fixing hole and the second fixing hole and is connected in the third fixing hole.
[0011] As a further description of the above technical solution:
[0012] The mounting bracket is provided with a plurality of mounting holes.
[0013] As a further description of the above technical solution:
[0014] The rear cover may also be provided with a draw cord.
[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0016] 1. In the present invention, the lamp housing is designed in an integrated manner and matched with high-quality seals, and all the parts in the lamp that may ignite the explosive mixture of gas and coal dust are enclosed in a flameproof housing. The flameproof housing can withstand the high pressure and high temperature generated by the internal ignition source after the explosion. At the same time, the flame is blocked by the joint surface and the flameproof gap of the flameproof housing, so that it cannot cause an explosion outside the shell.
[0017] 2. In the present invention, multi-fin heat dissipation ribs are provided on both the housing and the back cover to limit the surface temperature of the lamp, so that the temperature of the lamp housing is not capable of igniting the explosive mixture of gas and coal dust.
[0018] 3. In the present invention, in addition to the mounting bracket on the lamp housing, a pull rope is also provided on the back cover. When the mounting bracket cannot be used for hanging due to rugged terrain, the pull rope can be used for hanging, thereby ensuring the stability and reliability of the lamp.
[0019] 4. In the present utility model, a microwave sensing control device can also be provided on the power control device to realize human body sensing and light sensing functions.
[0020] 5. In the utility model, a semi-elliptical tempered glass transparent cover is used in combination with a lens to ensure that the light brightness is moderate, which can meet the lighting needs without being too glaring. When working in tunnels, chambers and other areas, it ensures that workers can clearly see the working area. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0022] Figure 1 This is an exploded view of a flameproof LED lighting device.
[0023] Figure 2 It is a three-dimensional diagram of a flameproof LED lighting device.
[0024] Legend:
[0025] 1-mounting bracket; 2-back cover; 3-power control device; 4-terminal; 5-housing; 6-wire inlet screw sleeve; 7-light source board; 8-lens; 9-glass cover; 10-pressing ring; 11-protective net; 12-fixed mounting hole; 13-connecting hole; 14-fin heat dissipation rib; 15-first fixing hole; 16-second fixing hole; 17-mounting hole; 18-pull rope; 19-third fixing hole. DETAILED DESCRIPTION
[0026] 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 of 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.
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0030] In the description of the embodiments of the present utility model, it should be noted that the terms "upper", "inner", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.
[0031] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0032] See also Figure 1-2 The utility model provides a technical solution: an explosion-proof LED lighting device, comprising a back cover 2 and a shell 5, an installation cavity is formed between the back cover 2 and the shell 5, a power control device 3 and a wiring terminal 4 are arranged in the installation cavity, a lamp trough is formed between the bottom of the shell 5 and the glass cover 9, a light source board 7 and a lens 8 are arranged in the lamp trough, a pressure ring 10 is sleeved and connected to the edge of the glass cover 9, a fixed installation hole 12 is arranged on the back cover 2 and the shell 5, a connecting hole 13 is arranged on the mounting bracket 1, and a screw passes through the connecting hole 13 and is connected to the fixed installation hole 12.
[0033] A wire inlet screw sleeve 6 is disposed on the inner side wall of the bottom of the housing 5 , and the light source board 7 and the lens 8 are sequentially sleeved on the wire inlet screw sleeve 6 .
[0034] A plurality of fin heat dissipation ribs 14 are disposed on the outer circumference of the rear cover 2 and the housing 5 .
[0035] The glass cover 9 is provided with a protective net 11, and the protective net 11 is located between the pressure ring 10 and the glass cover 9. The pressure ring 10 is provided with a plurality of first fixing holes 15, and the shell 5 is provided with a plurality of second fixing holes 16. A connecting platform is provided on the peripheral side of the back cover 2, and a third fixing hole 19 is provided on the connecting platform. The connecting screw passes through the first fixing hole 15 and the second fixing hole 16 and is connected to the third fixing hole 19.
[0036] The mounting bracket 1 is provided with a plurality of mounting holes 17 .
[0037] The rear cover 2 may also be provided with a draw cord 18 .
[0038] Working principle: By adopting an integrated design for the lamp housing and matching it with high-quality seals, all the parts in the lamp that may ignite the explosive mixture of gas and coal dust are enclosed in a flameproof casing. The flameproof casing can withstand the high pressure and high temperature generated by the internal ignition source after the explosion. At the same time, the joint surface and flameproof gap of the flameproof casing are used to block the fire so that it cannot cause an explosion outside the casing. In addition, multi-fin heat dissipation ribs are provided on the casing and the back cover to limit the surface temperature of the lamp, so that the temperature of the lamp casing does not have the ability to ignite the explosive mixture of gas and coal dust.
[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A flameproof LED lighting device, characterized in that: It includes a back cover and a shell, an installation cavity is formed between the back cover and the shell, a power control device and a wiring terminal are arranged in the installation cavity, a lamp groove is formed between the bottom of the shell and the glass cover, a light source board and a lens are arranged in the lamp groove, a pressure ring is sleeved and connected to the edge of the glass cover, fixed installation holes are arranged on the back cover and the shell, a connecting hole is arranged on the mounting bracket, and a screw passes through the connecting hole and is connected to the fixed installation hole.
2. The flameproof LED lighting device according to claim 1, characterized in that: A wire inlet screw sleeve is arranged on the inner side wall of the bottom of the shell, and the light source board and the lens are sequentially sleeved on the wire inlet screw sleeve.
3. The flameproof LED lighting device according to claim 2, characterized in that: The outer peripheral sides of the rear cover and the shell are both provided with a plurality of fin heat dissipation ribs.
4. The flameproof LED lighting device according to claim 1, characterized in that: The glass cover is provided with a protective net, the protective net is located between the pressure ring and the glass cover, the pressure ring is provided with a plurality of first fixing holes, the shell is provided with a plurality of second fixing holes, a connecting platform is provided on the peripheral side of the rear cover, the connecting platform is provided with a third fixing hole, and a connecting screw passes through the first fixing hole and the second fixing hole and is connected in the third fixing hole.
5. The flameproof LED lighting device according to claim 4, characterized in that: The mounting bracket is provided with a plurality of mounting holes.
6. The flameproof LED lighting device according to claim 1, characterized in that: The rear cover may also be provided with a draw cord.