High-temperature and high-luminous-efficiency lamp using PCI (peripheral component interconnect) radiator
By using high-temperature and high-light efficiency lamps with PCI radiators in high-temperature and dust environments, the problems of poor heat dissipation and reliability of traditional lamps in high-temperature environments are solved, and efficient and stable light output and long-life LED driving power supply are achieved.
Patent Information
- Application Number
- CN202421709977.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-19
AI Technical Summary
Traditional lamps cannot work properly in high temperature and high dust environments, resulting in poor heat dissipation, shortened LED drive life and reliability problems. Traditional radiators are huge and bulky, difficult and expensive to manufacture.
Using PCI radiator, heat dissipation efficiency and structural stability are ensured by setting multiple sets of U-shaped sheet-like heat dissipation fins on the light source cavity assembly and fixing and protecting with a honeycomb working fluid mesh structure.
Working for a long time and reliably at an ambient temperature of 82.3℃ ensures efficient and stable light output of lamps, reduces costs, and improves the heat dissipation effect of LED driver power supplies and extends the service life of the equipment.
Smart Images
Figure CN222963909U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lighting equipment, in particular to a high-temperature and high-light-efficiency lamp using a PCI radiator. Background Art
[0002] As a special field of industrial lighting, the LED explosion-proof lamp uses an LED which belongs to a solid-state cold light source and has the advantages of high electro-optical conversion efficiency, low heat generation, long service life, environmental protection, etc., and has now become the dominant of lighting products.
[0003] In workplaces such as steel mills and boiler rooms, the ambient temperature is relatively high. Especially in summer, the ambient temperature in some areas will reach 65°C - 82.3°C. Traditional lamps or other general-purpose LED factory lamps cannot work properly under such high-temperature conditions and provide sufficient stable and efficient light output for lighting; at the same time, there is a large amount of dust in the workplace, and ordinary lamps will have dust accumulation in a short time, resulting in poor heat dissipation and destroying the system reliability.
[0004] The heat effect generated by the work will also cause the LED lighting to dim over time. Too high a temperature will shorten the service life or damage the LED driver, as well as the reliability problems and possible premature failure of each component of the LED lighting fixture. Therefore, traditional lamps need to be equipped with large and bulky radiators, and such radiators often complicate the lighting fixture components. At the same time, in order to make the lighting fixture components operate safely and reliably in dangerous or harsh environments, traditional high-lumen LED lighting fixture components are large, bulky, and difficult and expensive to manufacture. Content of the Utility Model
[0005] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a high-temperature and high-light-efficiency lamp using a PCI radiator, which can operate reliably under high-temperature and high-dust conditions, can work reliably for a long time at an ambient temperature of 82.3°C, and ensure the temperature rise of the lamp, so that the light output of the lamp is efficient and stable, and the cost is greatly saved.
[0006] To achieve the above purpose, the utility model provides the following technical solutions: including a light source cavity module and a driving module, the driving module is arranged outside the light source cavity module and connected by a wire; the light source cavity module includes a light source cavity component and a PCI heat dissipation component arranged on the light source cavity component; the PCI heat dissipation component includes multiple groups of heat dissipation fins arranged side by side in an array on the light source cavity component, each heat dissipation fin is a U-shaped sheet structure, and a honeycomb working medium mesh structure is arranged on the surface of the U-shaped sheet structure.
[0007] As a preferred scheme of the high-temperature and high-light-efficiency lamp using a PCI radiator of the utility model, a PCI fixing frame for fixing the heat dissipation fins is horizontally arranged on both sides of the upper part of the PCI heat dissipation component.
[0008] As a preferred embodiment of the high-temperature and high-light-efficiency lamp using a PCI radiator according to the present utility model, the PCI fixing frame includes a horizontal fixing plate, side fixing plates disposed on the sides of the horizontal fixing plate, and end connecting plates disposed at both ends of the horizontal fixing plate; the end connecting plates are fixed to the outer heat dissipation fins.
[0009] As a preferred embodiment of the high-temperature and high-light-efficiency lamp using a PCI radiator according to the present utility model, a plurality of heat dissipation through holes are provided on the horizontal fixing plate; the side fixing plates are a plurality of baffles arranged side by side on the side of the horizontal fixing plate, and the distance between adjacent baffles is greater than the thickness of a single side piece of the U-shaped sheet structure.
[0010] As a preferred embodiment of the high-temperature and high-light-efficiency lamp using a PCI radiator according to the present utility model, the light source cavity assembly includes a light source cavity, and an LED light source assembly, a sealing ring, a glass cover, and a light source cavity cover sequentially disposed below the light source cavity; the single-piece combined array of the heat dissipation fins is inlaid or brazed on the light source cavity.
[0011] As a preferred embodiment of the high-temperature and high-light-efficiency lamp using a PCI radiator according to the present utility model, the LED light source assembly uses an aluminum-based circuit board or a copper-based circuit board, and the LED light source matrix structure on the LED light source assembly is uniformly arranged.
[0012] As a preferred embodiment of the high-temperature and high-light-efficiency lamp using a PCI radiator according to the present utility model, U-shaped brackets are provided on both sides of the light source cavity, and threaded holes and arc-shaped waist slots are provided on both sides of the U-shaped brackets.
[0013] As a preferred embodiment of the high-temperature and high-light-efficiency lamp using a PCI radiator according to the present utility model, one of a thermal conductive carbon film, thermal conductive silicone grease, and a thermal conductive silicone gasket is provided on the surface of the bottom of the PCI heat dissipation assembly combined with the light source cavity; an ultra-thin thermal conductive carbon film or high-thermal-conductivity thermal conductive silicone grease is provided on the installation surface of the light source cavity and the LED light source assembly;
[0014] As a preferred embodiment of the high-temperature and high-light-efficiency lamp using a PCI radiator according to the present utility model, the light source cavity modules are installed and connected in combination, and adjacent two light source cavity modules are fixedly connected through the connecting brackets on both sides; the U-shaped brackets are fixedly installed on the connecting brackets.
[0015] As a preferred embodiment of the high-temperature and high-light-efficiency lamp using a PCI radiator according to the present utility model, a waterproof connector is provided on the light source cavity; a connector sealing ring is provided on the waterproof connector, and a wire passes through the waterproof connector and is connected to the LED light source assembly.
[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model can operate reliably under high-temperature and high-dust conditions, can work reliably for a long time at an ambient temperature of 82.3°C, and can ensure the temperature rise of the lamp, making the light output of the lamp efficient and stable, and greatly saving costs.
[0017] (1) In the present utility model, the PCI heat sink arrays are arranged and integrated with the light source cavity body by brazing or inlaying methods, and the heat dissipation effect of the module is better; the PCI heat dissipation component is fixed by a fixed frame on the outside, and the surface honeycomb working medium mesh layout is on the inner side of the aluminum fins, which can prevent impact and force deformation.
[0018] (2) In the present utility model, the independent drive module outside the light source cavity module supplies power, and the design ensures that the heat generated when the LED drive power supply and the LED light source work can be reliably dissipated separately into the surrounding environment without mutual influence.
[0019] (3) The present utility model can work reliably for a long time at an ambient temperature of 80°C, with a designed service life of 10 years, saving equipment investment and reducing manual maintenance.
[0020] (4) The present utility model adopts a new light source matrix structure arrangement, with uniform current density. After an individual light source is damaged, it will automatically break away from the system without affecting the operation of other light sources.
[0021] (5) The present utility model adopts a new and unique design of the wire-passing sealing gasket, and the light source cavity reaches the IP67 protection level, improving the sulfur resistance of the light source.
[0022] (6) In the present utility model, the variable horizontal array of the PCI heat dissipation fins has a large interval gap, and the variable vertical array has a small interval gap, and neither is prone to dust accumulation.
[0023] (7) The present utility model can be used by combining multiple light source cavity modules together to meet the lighting requirements of higher brightness per unit area. Description of the Drawings
[0024] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:
[0025] Figure 1 It is a schematic diagram of the disassembled structure of the present utility model.
[0026] Figure 2 It is a schematic diagram of the overall structure of the present utility model.
[0027] Figure 3Schematic diagram of the side cross-sectional structure of the present utility model.
[0028] Figure 4 Schematic diagram of the installation structure of the U-shaped bracket of the present utility model.
[0029] Figure 5 Exploded schematic diagram of the combination of the light source cavity modules of the present utility model.
[0030] Figure 6 Overall schematic diagram of the combination of the light source cavity modules of the present utility model.
[0031] Figure 7 Schematic diagram of another installation method structure of the PCI heat dissipation fin of the present utility model.
[0032] Reference numerals in the figure: 1. Light source cavity module; 11. Light source cavity assembly; 11-1. Light source cavity; 11-2. LED light source assembly; 11-3. Sealing ring; 11-4. Glass cover; 11-5. Light source cavity cover; 12. PCI heat dissipation component; 12-1. Heat dissipation fin; 2. Driving module; 3. PCI fixing frame; 31. Lateral fixing plate; 31-1. Heat dissipation through hole; 32. Side fixing plate; 33. End connecting plate; 4. U-shaped bracket; 41. Threaded hole; 42. Arc-shaped waist slot; 5. Connecting bracket; 6. Waterproof joint; 7. Joint sealing ring; 8. Fixing screw; 9. Angle locking screw; 10. Single piece of PCI heat dissipation fin; 20. Main body of the light source cavity shell. Specific embodiments
[0033] The following is a description of the preferred embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present utility model, and are not used to limit the present utility model.
[0034] Embodiment 1
[0035] Refer to Figure 1-7 , which is the first embodiment of the present utility model. This embodiment provides a high-temperature and high-light-efficiency lamp using a PCI radiator, which can operate reliably under high-temperature and high-dust conditions, can work reliably for a long time at an ambient temperature of 82.3 °C, and can ensure the temperature rise of the lamp, making the light output of the lamp efficient and stable, and greatly saving costs.
[0036] Specifically, it includes a light source cavity module 1 and a driving module 2. The driving module 2 is arranged outside the light source cavity module 1 and is connected by wires. The light source cavity module 1 includes a light source cavity component 11 and a PCI heat dissipation component 12 arranged on the light source cavity component 11. The PCI heat dissipation component 12 includes multiple groups of heat dissipation fins 12-1 arranged side by side in an array on the light source cavity component 11. Each heat dissipation fin 12-1 is a U-shaped sheet structure, and a honeycomb working medium network structure is arranged on the surface of the U-shaped sheet structure. On both sides of the upper part of the PCI heat dissipation component 12, a PCI fixing frame 3 for fixing the heat dissipation fins 12-1 is transversely arranged. The heat dissipation fins 12-1 are a single-piece combined array and are brazed on the light source cavity 11-1.
[0037] The light source cavity component 11 includes a light source cavity 11-1, an LED light source component 11-2, a sealing ring 11-3, a glass cover 11-4, and a light source cavity cover 11-5 that are sequentially arranged below the light source cavity 11-1. The PCI heat dissipation component 12 is arranged on the upper part of the light source cavity 11-1. The LED light source component 11-2 uses an aluminum-based circuit board or a copper-based circuit board, and the LED light source matrix structure on the LED light source component 11-2 is evenly arranged. It is evenly distributed on the inner surface of the light source cavity 11-1, so that the current density distribution of a single LED light source is uniform. After an individual LED light source is damaged, it will automatically break away from the system without affecting the operation of other light sources. A waterproof connector 6 is arranged on the light source cavity 11-1. A connector sealing ring 7 is arranged on the waterproof connector 6, and a wire passes through the waterproof connector 6 and is connected to the LED light source component 11-2.
[0038] Preferably, the PCI fixing frame 3 includes a transverse fixing plate 31, side fixing plates 32 arranged on the sides of the transverse fixing plate 31, and end connecting plates 33 arranged at both ends of the transverse fixing plate 31. The end connecting plates 33 are fixed to the outer heat dissipation fins 12-1. A plurality of heat dissipation through holes 31-1 are arranged on the transverse fixing plate 31. The side fixing plates 32 are multiple baffles arranged side by side on the side of the transverse fixing plate 31, and the distance between adjacent baffles is greater than the thickness of the single-side sheet of the U-shaped sheet structure.
[0039] Preferably, one of a thermal conductive carbon film, thermal conductive silicone grease, and a thermal conductive silicone gasket is arranged on the surface of the bottom of the PCI heat dissipation component 12 combined with the light source cavity 11-1. An ultra-thin thermal conductive carbon film or a high thermal conductivity thermal conductive silicone grease is arranged on the installation surface of the light source cavity 11-1 and the LED light source component 11-2.
[0040] Preferably, U-shaped brackets 4 are arranged on both sides of the light source cavity 11-1, and threaded holes 41 and arc-shaped waist slots 42 are arranged on both sides of the U-shaped brackets 4. By using a fixing screw 8 and an angle locking screw 9 in cooperation, the U-shaped brackets 4 are fixed on both side surfaces of the light source cavity, and the angle change range during the installation of the U-shaped brackets 4 is 0° - 180°.
[0041] Preferably, asFigure 7 As shown, the light source cavity module 1 is installed and connected in two combinations, and adjacent light source cavity modules 1 are fixedly connected in series through the connecting brackets 5 on both sides; enabling customers to obtain lamps with brighter and higher-power illumination. The U-shaped bracket 4 is fixedly installed on the connecting bracket 5. Arc-shaped waist slots 42 are provided on both sides of the U-shaped bracket 4, and by using the fixing screw 8 and the angle locking screw 9 in cooperation, the angle change range during the installation of the U-shaped bracket 4 is 0° - 180°
[0042] For this utility model, the external AC mains power is rectified by an external LED driver module to supply power to the lamp module. The incoming wire passes through the compact small joint seal ring 7 and the compression nut (M12) of the waterproof joint 6. When the waterproof joint 6 is screwed in, the seal ring 7 is compressed, playing a role in waterproof and dustproof. The incoming wire is simple, the operation is easy, and the occupied space is small; with a novel and unique design of the wire-passing sealing gasket, the light source cavity reaches the IP67 protection level, enhancing the anti-sulfuration ability of the light source.
[0043] For this utility model, the surface of a single piece of the PCI heat sink has a honeycomb working medium mesh layout on the surface of the aluminum fins, with an array arrangement for heat dissipation design, usually exceeding the design height of die-cast aluminum alloy or forged casting radiators, and is integrated with the light source cavity housing body horizontally or vertically; the PCI heat sink is in a U-shaped bend or an independent single piece and is riveted or screwed and fastened to the die-cast or profiled light source cavity; it can also be extruded and inlaid or welded on the die-cast or profiled light source cavity body. Welding adopts vacuum welding or tunnel welding processes, and the welding PCI radiator with heat dissipation fins welded on one or both surfaces of the double-sided flat welding type PCI board; including natural convection type, thermoelectric separation type, and gas-gas heat exchange type.
[0044] The PCI fin type radiator combines the PCI radiator fins with the radiator substrate through mechanical extrusion and inlay process, thermal conductive adhesive bonding process, welding process, etc. to make a high-performance fin type radiator; due to the high thermal conductivity and temperature uniformity characteristics of the PCI heat dissipation board, the fin efficiency is as high as 95%, and different from the fins of pure gold radiators, the dimensions of the PCI heat dissipation fins in the height direction and the length direction are not limited by the thermal conductivity efficiency, and it can replace heat pipe radiators and some liquid cooling radiators.
[0045] On the light source cavity 11-1 of this utility model, there is a sealing limit groove for installing the sealing ring 11-3. The light source cavity cover 11-5 is a welded assembly of four independent sheet metal bending parts. The wall thickness of the cavity cover is designed to be 1.5 mm thin while maintaining rigid strength, and it is fixed on the light source cavity 11-1 by screws. At the same time, the glass cover 11-4 and the compression sealing ring 11-3 are compressed, ensuring a reliable structure while the compression sealing ring deforms to fill the seal. The flat glass cover 11-4 can cooperate with a stainless steel protective net to provide mechanical impact resistance.
[0046] Embodiment 2
[0047] Another embodiment of the present utility model is as follows Figure 7 As shown, the PCI heat dissipation component of the present utility model is a single-piece PCI heat sink 10. The single-piece PCI heat sink 10 is vertically and evenly embedded on the main body 20 of the light source cavity. The left and right half-array sheets on the back of the light source cavity are arranged facing each other, and the surface honeycomb working medium mesh layout is symmetrically oriented towards the central plane of the light source cavity. In this way, the surface honeycomb working medium mesh layout can be protected from external impact and collision. The PCI heat dissipation teeth are arranged in an array on the back of the light source cavity, reducing the propagation path that hinders light.
[0048] The LED driver power supply of the present utility model is directly connected to the municipal power grid through a switching converter, which converts (isolates) high-voltage alternating current into safe low-voltage direct current, provides a constant driving current for the light source assembly, and the driving setting can be dimmed from 0 to 10V; the light source assembly adopts a high-light-efficiency LED light source, and through the LED, the electrical / optical conversion is carried out to provide high-quality lighting light for users.
[0049] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A high-temperature and high-light-efficiency lamp using a PCI heat sink, comprising a light source cavity module (1) and a drive module (2), characterized in that: The driving module (2) is arranged outside the light source cavity module (1) and connected by wires; the light source cavity module (1) comprises a light source cavity component (11) and a PCI heat dissipation component (12) arranged on the light source cavity component (11); the PCI heat dissipation component (12) comprises a plurality of groups of heat dissipation fins (12-1) arranged in a side-by-side array on the light source cavity component (11); each heat dissipation fin (12-1) is a U-shaped sheet structure, and a honeycomb working medium mesh structure is arranged on the surface of the U-shaped sheet structure.
2. The high temperature and high light efficiency lamp using a PCI heat sink according to claim 1, characterized in that: PCI fixing frames (3) for fixing the cooling fins (12-1) are arranged laterally on both sides of the upper part of the PCI cooling assembly (12).
3. The high temperature and high light efficiency lamp using a PCI heat sink according to claim 2, characterized in that: The PCI fixing frame (3) comprises a transverse fixing plate (31), a side fixing plate (32) arranged on the side of the transverse fixing plate (31), and end connecting plates (33) arranged at both ends of the transverse fixing plate (31); the end connecting plates (33) are fixed to the outer heat dissipation fins (12-1).
4. The high temperature and high light efficiency lamp using a PCI heat sink according to claim 3, characterized in that: The transverse fixing plate (31) is provided with a plurality of heat dissipation through holes (31-1); the side fixing plate (32) is a plurality of baffles arranged side by side on the side of the transverse fixing plate (31), and the spacing between adjacent baffles is greater than the thickness of a single side sheet of the U-shaped sheet structure.
5. The high temperature and high light efficiency lamp using a PCI heat sink according to claim 1 or 4, characterized in that: The light source cavity assembly (11) comprises a light source cavity (11-1), and an LED light source assembly (11-2), a sealing ring (11-3), a glass cover (11-4) and a light source cavity cover (11-5) which are sequentially arranged at the lower part of the light source cavity (11-1); a heat dissipation fin (12-1) is monolithically combined in an array and inlaid or brazed on the light source cavity (11-1).
6. The high temperature and high light efficiency lamp using a PCI heat sink according to claim 5, characterized in that: The LED light source assembly (11-2) adopts an aluminum-based circuit board or a copper-based circuit board, and the LED light sources on the LED light source assembly (11-2) are evenly arranged in a matrix structure.
7. The high temperature and high light efficiency lamp using a PCI heat sink according to claim 6, characterized in that: U-shaped brackets (4) are arranged on both sides of the light source cavity (11-1), and threaded holes (41) and arc-shaped waist grooves (42) are arranged on both sides of the U-shaped bracket (4).
8. The high temperature and high light efficiency lamp using a PCI heat sink according to claim 7, characterized in that: The surface where the bottom of the PCI heat dissipation component (12) is connected to the light source cavity (11-1) is provided with one of a thermally conductive carbon film, thermally conductive silicone grease and a thermally conductive silicone gasket; the mounting surface between the light source cavity (11-1) and the LED light source component (11-2) is provided with an ultra-thin thermally conductive carbon film or thermally conductive silicone grease with high thermal conductivity.
9. The high temperature and high light efficiency lamp using a PCI heat sink according to claim 8, characterized in that: The light source cavity modules (1) are connected by multiple combined installations, and two adjacent light source cavity modules (1) are fixedly connected via connecting brackets (5) on both sides; the U-shaped bracket (4) is fixedly mounted on the connecting bracket (5).
10. The high temperature and high light efficiency lamp using a PCI heat sink according to claim 5, characterized in that: The light source cavity (11-1) is provided with a waterproof connector (6); the waterproof connector (6) is provided with a connector sealing ring (7); and the wire passes through the waterproof connector (6) and is connected to the LED light source assembly (11-2).