Anti-explosion LED lamp
By combining heat-conducting plates and heat dissipation fins, the problem of low heat dissipation efficiency in explosion-proof LED lamps is solved, achieving efficient heat conduction and heat dissipation, extending the lifespan of the lamps, and reducing safety hazards.
Patent Information
- Application Number
- CN202520493284.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Traditional explosion-proof LED lights suffer from low heat dissipation efficiency under high-power design, leading to overheating, explosion, and safety hazards, and affecting their service life.
The heat-conducting plate is tightly bonded to the light source circuit board to increase the contact area. Heat exchange is optimized through heat dissipation fins and radiative heat dissipation coating. Combined with the trapezoidal heat dissipation part and through-slot design, the contact area of cold air is increased to achieve efficient heat conduction and dissipation.
It significantly improves heat dissipation efficiency, extends the lifespan of the lamps, ensures stable performance during long-term operation, and reduces safety hazards.
Smart Images
Figure CN223755321U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of explosion -proof lamps and lanterns especially relates to an explosion -proof LED lamps and lanterns. BACKGROUND
[0002] The explosion -proof LED lamps and lanterns are a kind of lighting equipment specially designed for special environment, with the characteristics such as explosion -proof, energy -conserving, maintenance -free, etc., and are suitable for 1 area, 2 area places of explosive gas environment, such as IIA, IIB, IIC class explosive gas environment, and are also suitable for tunnel, subway, underground passage and other places needing long time illumination, because of its high -efficient energy -conserving and long -life characteristics, especially suitable for these difficult to maintain environment.
[0003] In order to improve the lighting effect under special environment, high -power design is adopted, however, this design also brings the problem of large heat, and long -time high temperature state is easy to cause the explosion of lamp and lantern, and then seriously affect its service life, and produce not small safety hidden trouble in actual use process.Therefore, the applicant has made beneficial design, found the method to solve the above -mentioned problems, and the technical scheme to be introduced below is generated under this background. SUMMARY
[0004] The utility model discloses a kind of products for overcoming the deficiencies of the design of the above-mentioned traditional explosion -proof LED lamps and lanterns, and improve the heat dissipation efficiency.
[0005] To solve the above problems, the utility model adopts the following technical scheme.
[0006] An explosion -proof LED lamps and lanterns, including shell, light source circuit board, the shell is equipped with the recessed cavity accommodating light source circuit board, the bottom of the recessed cavity is equipped with cavity, the both sides of the cavity are equipped with inclined surface, the cavity is equipped with heat conduction plate, and is closely attached to the bottom of inclined surface and cavity, the back of light source circuit board is closely attached to heat conduction plate, the back of shell is equipped with several equal-interval heat dissipation fins from left to right, the outer wall of shell is daubed with radiation heat dissipation paint.
[0007] Preferably, the upper portion of the recessed cavity is provided with a cover plate, the cover plate is provided with a light-transmitting area and is located above the light source circuit board, and the both sides of the recessed cavity are provided with supporting portions for threadedly connecting with the light source circuit board.
[0008] Preferably, the back of the shell is provided with a trapezoidal heat dissipation portion, the cavity is arranged in the heat dissipation portion, and at least two wire holes are arranged on one side of the heat dissipation portion and communicate with the cavity.
[0009] Preferably, one side of the heat conduction plate is provided with a through groove, the through groove is provided with a wire hole and is located at the back of the light source circuit board, and the both sides of the heat conduction plate are provided with abutting surfaces and abut against the inclined surfaces.
[0010] Preferably, the both sides of the threading hole are provided with a plurality of equidistant springs, and abut against the bottom of the through groove, so that the upper part of the through groove is closely attached to the back of the light source circuit board, and the bottom of the through groove is further provided with a convex column for limiting the displacement of the spring.
[0011] Beneficial effects:
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The utility model discloses, through the heat conduction plate absorption heat source circuit board generates heat, and significantly increase its contact area with the cavity, thereby promote the heat conduction efficiency, heat subsequently through the radiating fin and external cold air carry out high -efficient heat exchange, effectively control the temperature of light source circuit board, in addition, through the radiation heat dissipation paint, make the shell surface form macroscopically smooth, microscopically undulating radiation structure unit, further optimize and the heat exchange efficiency of cold air, further reduce the temperature of light source circuit board, through the above -mentioned design not only significantly improved the heat dissipation efficiency of product, also effectively prolonged the service life of product, ensure that it keeps stable performance in long -time operation. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is the cross section structure schematic diagram of a kind of explosion-proof LED lamp of the utility model;
[0015] Fig. 2 It is the side cross section structure schematic diagram of a kind of explosion-proof LED lamp of the utility model;
[0016] Fig. 3 It is the explosion view of a kind of explosion-proof LED lamp of the utility model;
[0017] The corresponding relationship between the annotations of each figure and the component names in the drawings is as follows:
[0018] Reference signs: 1, housing;2, light source circuit board;3, heat conduction plate;4, cover plate;5, spring;6, convex column;11, recessed cavity;12, cavity;13, inclined surface;14, radiating fin;15, supporting portion;16, heat dissipation portion;17, wiring hole;31, through groove;32, threading hole;33, abutting surface;41, light transmission area. DETAILED DESCRIPTION
[0019] The technical solutions of the utility model will be described clearly and completely below in conjunction with embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0020] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms such as ''up'', ''down'', ''left'', ''right'' in the specification is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0021] In the embodiments of the utility model, ''and / or'' is only a description of the association relation of the associated objects, which indicates that there can be three kinds of relations, for example, A and / or B can indicate that there are three cases of A alone, A and B together and B alone.In addition, the character '' / '' in this paper generally indicates that the front and rear associated objects are in an ''or'' relation.
[0022] Reference example Figs. 1 to 3 An explosion-proof LED lamp, comprising a shell 1, a light source circuit board 2, a concave cavity 11 for accommodating the light source circuit board 2 is arranged in the shell 1, a bottom of the concave cavity 11 is provided with a cavity 12, both sides of the cavity 12 are provided with inclined surfaces 13, the cavity 12 is provided with a heat conduction plate 3 and is closely attached to the inclined surfaces 13 and the bottom of the cavity 12, a back of the light source circuit board 2 is closely attached to the heat conduction plate 3, a plurality of equidistant heat dissipation fins 14 are arranged on a back of the shell 1 from left to right, an outer wall of the shell 1 is coated with a radiation heat dissipation paint, heat generated by the light source circuit board 2 is absorbed by the heat conduction plate 3, and the contact area of the heat conduction plate 3 with the cavity 12 is significantly increased, so that the heat conduction efficiency is improved, and then the heat is exchanged with external cold air through the heat dissipation fins 14, so that the temperature of the light source circuit board 2 is effectively controlled; in addition, the radiation heat dissipation paint forms a macroscopically smooth and microscopically wavy radiation structure unit on the surface of the shell, so that the heat exchange efficiency with the cold air is further optimized, the temperature of the light source circuit board 2 is further reduced, and the heat dissipation efficiency of the product is significantly improved, and the service life of the product is effectively prolonged, so that the stable performance of the product is ensured during long-time operation.
[0023] It is worth mentioning that a cover plate 4 is arranged above the concave cavity 11, the cover plate 4 is provided with a light transmission area 41 and is located above the light source circuit board 2, both sides of the concave cavity 11 are provided with supporting portions 15 for threadedly connecting with the light source circuit board 2, the cover plate 4 not only protects the light source circuit board 2 and effectively blocks the invasion of external humid air into the concave cavity 11, but also ensures the internal dryness and stability, and meanwhile, the light transmission area 41 allows the light source to smoothly penetrate and uniformly irradiate on the object.
[0024] It is worth mentioning that the back of the shell 1 is provided with a trapezoidal heat dissipation part 16, the cavity 12 is arranged in the heat dissipation part 16, at least two wiring holes 17 are arranged on one side of the heat dissipation part 16 and communicate with the cavity 12, the trapezoidal heat dissipation part 16 combines with the radiation heat dissipation paint, the contact area with the cold air is significantly increased, the design of the heat dissipation fin 14 is optimized, the contact area with the cold air is increased, the heat exchange efficiency is effectively improved, the temperature of the light source circuit board 2 is reduced, the external power supply line enters the cavity 12 through the sealed wiring hole 17 and is safely and electrically connected with the light source circuit board 2 through the threading hole 32, the wiring hole 17 is provided with a sealing device in view of the explosion-proof property of the product, so that the external humid air is prevented from entering the cavity 12, which is common knowledge and will not be described in detail, the radiation heat dissipation paint is selected as ZS-411 radiation heat dissipation paint.
[0025] It is worth mentioning that one side of the heat conduction plate 3 is provided with a through groove 31, the through groove 31 is provided with a threading hole 32 and is located at the back of the light source circuit board 2, both sides of the heat conduction plate 3 are provided with abutting surfaces 33 and abut against the inclined surface 13, the through groove 31 is adopted, the manufacturing cost of the heat conduction plate 3 is significantly reduced, the heat conduction plate 3 can be made of aluminum material or copper material with high heat conduction performance and can be selected flexibly according to the requirements of customers, the abutting surfaces 33 increase the contact area of the heat conduction plate 3 and the inclined surface 13, the heat conduction efficiency is further improved, and the heat is quickly conducted.
[0026] It is worth mentioning that a plurality of springs 5 are arranged at both sides of the threading hole 32 and abut against the bottom of the through groove 31, so that the upper portion of the through groove 31 is tightly attached to the back of the light source circuit board 2, the bottom of the through groove 31 is further provided with a protruding column 6 for limiting the displacement of the spring 5, the spring 5 provides continuous elastic force, the heat conduction plate 3 is tightly attached to the light source circuit board 2, the heat conduction efficiency is maximized, in addition, the area of the light source circuit board 2 that is not in contact with the heat conduction plate 3 can also effectively transmit heat to the heat conduction plate 3 through heat radiation, and the heat conduction efficiency is effectively improved.
[0027] The above design scheme can improve the heat dissipation efficiency of the product.
[0028] The above content is further described in detail in combination with the specific embodiments, and the specific embodiments of the utility model cannot be limited to these descriptions, for ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a plurality of simple deductions or substitutions can be made, and all of them should be regarded as belonging to the protection range determined by the claims submitted by the utility model.
Claims
1. An explosion-proof LED lamp comprising a housing (1), a light source circuit board (2), characterized in that: The shell (1) is provided with a cavity (11) for accommodating a light source circuit board (2), the bottom of the cavity (11) is provided with a cavity (12), the two sides of the cavity (12) are provided with inclined surfaces (13), the cavity (12) is provided with a heat conduction plate (3) and is closely attached to the inclined surfaces (13) and the bottom of the cavity (12), the back of the light source circuit board (2) is closely attached to the heat conduction plate (3), the back of the shell (1) is provided with a plurality of equidistant heat dissipation fins (14) from left to right, and the outer wall of the shell (1) is coated with a radiation heat dissipation paint.
2. The explosion-proof LED luminaire of claim 1, wherein: The top of the cavity (11) is provided with a cover plate (4), the cover plate (4) is provided with a light transmission area (41) and is located above the light source circuit board (2), and the two sides of the cavity (11) are provided with supporting portions (15) for threadedly connecting with the light source circuit board (2).
3. The explosion-proof LED luminaire of claim 2, wherein: The back of the shell (1) is provided with a trapezoidal heat dissipation portion (16), the cavity (12) is arranged in the heat dissipation portion (16), one side of the heat dissipation portion (16) is provided with at least two wire holes (17) and communicates with the cavity (12).
4. The explosion-proof LED luminaire of claim 1, wherein: One side of the heat conduction plate (3) is provided with a through groove (31), the through groove (31) is provided with a wire hole (32) and is located at the back of the light source circuit board (2), and the two sides of the heat conduction plate (3) are provided with abutting surfaces (33) and abut against the inclined surfaces (13).
5. The explosion-proof LED luminaire of claim 4, wherein: The two sides of the wire hole (32) are provided with a plurality of equidistant springs (5) and abut against the bottom of the through groove (31), so that the top of the through groove (31) is closely attached to the back of the light source circuit board (2), and the bottom of the through groove (31) is further provided with a convex column (6) for limiting the displacement of the spring (5).