Anti-explosion LED lamp

Abstract

The utility model discloses an explosion-proof LED lamp which comprises a radiator and a lamp source assembly, the radiator comprises a substrate and a plurality of radiating fins, and the radiating fins are fixedly connected to the substrate; the lamp source assembly comprises a circuit board and a lampshade, the circuit board is fixedly connected to the face, away from the cooling fins, of the substrate, the circuit board is provided with an LED module, the lampshade is fixedly connected to the substrate and covers the circuit board, and the lampshade is filled with transparent silica gel. According to the embodiment of the utility model, the explosion-proof effect and the heat dissipation effect can be improved.

Description

Technical Field

[0001] This utility model relates to the field of lighting technology, and in particular to an explosion-proof LED lighting fixture. Background Technology

[0002] Explosion-proof lights are lighting fixtures that utilize explosion-proof technology. They are commonly used in hazardous locations where flammable gases and dust may be present. They prevent potential arcs, sparks, and high temperatures generated inside the lamp from igniting flammable gases and dust in the surrounding environment, thus meeting explosion-proof requirements. They are also known as explosion-proof lighting fixtures or explosion-proof lamps.

[0003] Traditional explosion-proof lighting fixtures typically employ a heavy metal casing to prevent internal electrical sparks or high temperatures from propagating outwards, thus avoiding the ignition of external flammable gases or dust. While this method improves safety to some extent, it also introduces problems such as increased weight and poor heat dissipation. These issues not only affect the lifespan of the fixture but also limit its application range. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an explosion-proof LED lamp that improves both explosion-proof and heat dissipation performance.

[0005] According to the present invention, an explosion-proof LED lamp includes a heat sink and a lamp source assembly. The heat sink includes a substrate and a plurality of heat dissipation fins, the heat dissipation fins being fixedly connected to the substrate. The lamp source assembly includes a circuit board and a lamp cover. The circuit board is fixedly connected to the side of the substrate facing away from the heat dissipation fins. The circuit board is provided with an LED module. The lamp cover is fixedly connected to the substrate and covers the circuit board. The lamp cover is filled with transparent silicone.

[0006] The explosion-proof LED lighting fixture according to the above embodiments of the present invention has at least the following beneficial effects:

[0007] The explosion-proof LED lamp provided in this embodiment uses transparent silicone filled inside the lampshade. This effectively protects the internal circuit board and LED module from external environmental influences such as moisture and dust. Furthermore, the good light transmittance of the transparent silicone prevents additional attenuation of the LED light source, ensuring stable luminous efficiency. Simultaneously, it prevents internal electrical sparks or high temperatures from propagating to the external environment, significantly reducing the risk of explosion. This makes it particularly suitable for high-risk areas such as chemical plants and oil depots. The heat sink quickly conducts away the heat generated during circuit board operation, effectively preventing heat accumulation and thus protecting the circuit board and extending its lifespan.

[0008] According to some embodiments of the present invention, the substrate is provided with a through hole communicating with the lampshade, the through hole being used to pass through conductive wires and fill the transparent silicone.

[0009] According to some embodiments of the present invention, the lamp source assembly further includes a fixing ring, the outer periphery of the lamp cover is provided with an edge, the fixing ring can press the edge onto the substrate, and the outer periphery of the fixing ring is provided with a connecting ring, the connecting ring being fixedly connected to the substrate through a fixing structure.

[0010] According to some embodiments of the present invention, the fixing structure includes a first bolt, the connecting ring is provided with a plurality of first threaded holes evenly spaced along the circumference, the first threaded holes extend along the axial direction of the connecting ring, the substrate is provided with a plurality of first fixing holes, and the first threaded holes and the first fixing holes are fixedly connected by the first bolt.

[0011] According to some embodiments of the present invention, the circuit board is provided with a plurality of second threaded holes evenly spaced along the circumference, and the substrate is provided with a plurality of second fixing holes accordingly. The second threaded holes and the second fixing holes are fixedly connected by second bolts.

[0012] According to some embodiments of the present invention, thermal grease is provided between the circuit board and the substrate.

[0013] According to some embodiments of the present invention, the heat dissipation fins are in the form of sheets.

[0014] According to some embodiments of the present invention, the cross-section of the heat dissipation fins is star-shaped.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0017] Figure 1 This is a structural schematic diagram of an explosion-proof LED lamp according to some embodiments of the present invention;

[0018] Figure 2 This is an exploded view of some embodiments of the explosion-proof LED lighting fixtures of this utility model.

[0019] In the attached figures, the following labels are used:

[0020] Substrate 100; heat dissipation fins 110; through hole 120; first fixing hole 130; second fixing hole 140;

[0021] Circuit board 200; LED module 210; Second threaded hole 220;

[0022] Lampshade 300; Edge 310;

[0023] Fixed ring 400; connecting ring 410; first threaded hole 411. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0025] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0027] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly. Those skilled in the art can reasonably determine the specific meaning of these terms in this utility model based on the specific content of the technical solution. In the description of this utility model, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In the description of this specification, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0028] Reference Figure 1 and Figure 2 According to the present invention, an explosion-proof LED lamp includes a heat sink and a lamp source assembly. The heat sink includes a substrate 100 and a plurality of heat dissipation fins 110, and the heat dissipation fins 110 are fixedly connected to the substrate 100. The lamp source assembly includes a circuit board 200 and a lamp cover 300. The circuit board 200 is fixedly connected to the side of the substrate 100 away from the heat dissipation fins 110 and is provided with an LED module 210. The lamp cover 300 is fixedly connected to the substrate 100 and covers the circuit board 200. The lamp cover 300 is filled with transparent silicone.

[0029] It is understood that the explosion-proof LED lamp provided in this embodiment of the invention, by filling the lampshade 300 with transparent silicone, not only effectively protects the internal circuit board 200 and LED module 210 from the influence of the external environment, such as moisture and dust, but also ensures that the good light transmittance of the transparent silicone will not cause additional attenuation to the LED light source, thus guaranteeing stable output of light efficiency. At the same time, it ensures that internal electrical sparks or high temperatures will not propagate to the external environment, greatly reducing the risk of explosion, making it particularly suitable for high-risk areas such as chemical plants and oil depots. The heat sink quickly conducts away the heat generated by the circuit board 200 during operation, effectively preventing heat accumulation, thereby protecting the circuit board 200 and extending its service life.

[0030] Furthermore, refer to Figure 2 According to some embodiments of this utility model, the substrate 100 is provided with a through hole 120 communicating with the lampshade 300. The through hole 120 is used to pass through conductive wires and fill transparent silicone, thereby simplifying the structure and facilitating use. After the circuit board 200 and the lampshade 300 are fixedly installed, the transparent silicone can be filled through the through hole 120, ensuring that the transparent silicone can evenly fill the entire space inside the lampshade 300, thereby enhancing the sealing and protection capabilities of the lamp.

[0031] Furthermore, refer to Figure 2 According to some embodiments of this utility model, the lamp source assembly further includes a fixing ring 400. An edge 310 is provided on the outer periphery of the lampshade 300. The fixing ring 400 can press the edge 310 against the substrate 100. A connecting ring 410 is provided on the outer periphery of the fixing ring 400, and the connecting ring 410 is fixedly connected to the substrate 100 through a fixing structure. It can be understood that the fixing ring 400 can increase the tightness between the lampshade 300 and the substrate 100, improving the overall stability and explosion-proof performance of the lamp. The connecting ring 410 and the corresponding fixing structure further enhance the firm connection between the various components of the lamp, ensuring the reliability of the lamp during use.

[0032] Furthermore, refer to Figure 2 According to some embodiments of this utility model, the fixing structure includes a first bolt, and a plurality of first threaded holes 411 are evenly spaced along the circumference of the connecting ring 410. The first threaded holes 411 extend along the axial direction of the connecting ring 410, and the base plate 100 is correspondingly provided with a plurality of first fixing holes 130. The first threaded holes 411 and the first fixing holes 130 are fixedly connected by the first bolt, thereby ensuring the stability of the connection between the components of the lamp, and facilitating installation and disassembly, maintenance and replacement of parts. However, it is not limited to this, and the fixing structure can also adopt a snap-fit ​​method, which will not be described in detail here.

[0033] Furthermore, refer to Figure 2 According to some embodiments of the present invention, the circuit board 200 is provided with a plurality of second threaded holes 220 evenly spaced along the circumference, and the substrate 100 is provided with a plurality of second fixing holes 140 correspondingly. The second threaded holes 220 and the second fixing holes 140 are fixedly connected by second bolts, thereby strengthening the stability of the connection and making it easy to install and disassemble, and convenient for maintenance and replacement of parts.

[0034] Preferably, according to some embodiments of the present invention, thermal grease is provided between the circuit board 200 and the substrate 100, thereby improving the heat conduction efficiency, effectively reducing the temperature of the circuit board 200, protecting the LED module 210 from high temperature damage, thereby extending its service life and maintaining stable luminous efficacy.

[0035] Preferably, according to some embodiments of the present invention, the heat dissipation fins 110 are in the form of sheets, thereby increasing the surface area, which helps to improve heat exchange efficiency, accelerate heat dissipation, and ensure the stability of the lamp under long-term operation.

[0036] Preferably, according to some embodiments of the present invention, the cross-section of the heat dissipation fins 110 is star-shaped, which not only increases the heat dissipation area but also optimizes the airflow path, further improving the heat dissipation effect, ensuring that the lamp can work efficiently and stably in various complex environments, while also enhancing the aesthetics.

[0037] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An explosion-proof LED luminaire, characterized by, The application relates to a heat dissipation device. The heat dissipation device comprises a heat dissipation base plate and a plurality of heat dissipation fins fixedly connected to the heat dissipation base plate. The heat source assembly comprises a circuit board and a lampshade.

2. The explosion-proof LED luminaire of claim 1, wherein, The circuit board is fixedly connected to the heat dissipation base plate away from the heat dissipation fins.

3. The explosion-proof LED luminaire of claim 1, wherein, The circuit board is provided with an LED module.

4. The explosion-proof LED luminaire of claim 3, wherein, The lampshade is filled with transparent silica gel.

5. The explosion-proof LED luminaire of claim 1, wherein, The heat dissipation base plate is provided with a through hole communicating with the lampshade.

6. The explosion-proof LED light fixture of claim 1, wherein, The through hole is used for penetrating an electric wire and filling the transparent silica gel.

7. The explosion-proof LED light fixture of claim 1, wherein, The heat source assembly further comprises a fixing ring.

8. The explosion-proof LED light fixture of claim 1, wherein, The outer periphery of the fixing ring is provided with a connecting ring fixedly connected to the heat dissipation base plate through a fixing structure. The fixing structure comprises a first bolt. The connecting ring is uniformly and circumferentially spaced apart with a plurality of first screw holes. The first screw holes extend along the axial direction of the connecting ring. The heat dissipation base plate is correspondingly provided with a plurality of first fixing holes. The first screw holes and the first fixing holes are fixedly connected through the first bolt. The circuit board is uniformly and circumferentially spaced apart with a plurality of second screw holes. The heat dissipation base plate is correspondingly provided with a plurality of second fixing holes. The second screw holes and the second fixing holes are fixedly connected through a second bolt. The circuit board and the heat dissipation base plate are provided with heat dissipation silica grease. The heat dissipation fins are in the shape of a sheet. The cross section of the heat dissipation fins is in the shape of a star.

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