Waterproof energy-saving lamp

By setting up a heat transfer ring and an air guide ring structure on the waterproof energy-saving lamp, the problem of uneven heat dissipation and dust cleaning is solved, the uniform heat dissipation and synchronous dust removal inside the lampshade are achieved, and the safety and efficiency of the equipment are improved.

CN223435127UActive Publication Date: 2025-10-14BEIJING RUITUO ELECTRONIC DEV CO LTD
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Patent Information

Application Number
CN202423137464.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-10-14
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Existing waterproof energy-saving lamps have uneven heat dissipation and dust cleaning, and cannot perform both operations simultaneously.

Method used

A heat transfer ring and an air guide ring structure are used on the outside of the lampshade to transfer the heat inside the lampshade to the outside through the heat transfer ring. An air guide part and air outlet holes are set at the bottom of the air guide ring. The fan assembly supplies air for heat dissipation and dust removal. The air blown out of the air outlet holes is ejected through the wind gap to achieve uniform heat dissipation and dust removal.

Benefits of technology

The uniform heat dissipation and dust removal inside the lampshade are achieved, and heat dissipation and dust cleaning are carried out simultaneously, which improves the safety and efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waterproof energy-saving lamp, which comprises a mounting plate, a waterproof layer, a waterproof layer, a waterproof layer, a waterproof layer and a waterproof layer, the lampshade covers the exterior of the energy-saving lamp, the top of the lampshade is open and is connected with the mounting plate through a heat transfer ring fixedly arranged on the lampshade, the inner side of the heat transfer ring extends into the lampshade, and the outer side of the heat transfer ring penetrates out of the lampshade; the lampshade is sleeved with the air guide ring, the top of the air guide ring is connected with the mounting plate, an air guide part inclining inwards and upwards is arranged at the bottom of the air guide ring in the circumferential direction of the air guide ring, and an air passing gap is reserved between the top of the air guide part and the bottom of the lampshade; and the air outlet holes are formed in the mounting plate at intervals in the axial direction of the lampshade, each air outlet hole vertically penetrates through the mounting plate and is located between the lampshade and the air guide ring, and air is supplied to the air outlet holes by the fan assembly. According to the waterproof energy-saving lamp, the waterproof energy-saving effect is achieved, meanwhile, the heat dissipation and dust removal functions are achieved, and the service life of the lamp is effectively prolonged.
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Description

Technical Field

[0001] The utility model relates to the field of lamps, and more specifically, to a waterproof energy-saving lamp. Background Art

[0002] During construction, nighttime lighting provides sufficient brightness for construction workers to ensure smooth progress. Existing nighttime lighting tools often rely on improvised, simple chandeliers. Since construction sites are often open-air, moisture from thunderstorms or heavy fog can easily cause short circuits in the chandeliers. Furthermore, construction sites are often dusty, and over time, the chandeliers can adhere to the dust, causing dim lighting and compromising construction safety.

[0003] The authorized patent with application number 202221400527.X discloses a waterproof energy-saving lamp, which includes a lamp holder and a telescopic lamp pole with a protective mechanism, the telescopic lamp pole is connected to a top rod, a waterproof lampshade is installed at the bottom of the top rod, and an energy-saving bulb is installed in the waterproof lampshade, the protective mechanism includes a box fixed to the top outer wall of the lamp holder, a through hole, a mounting frame fixed to the inner wall of the through hole, a servo motor fixed to the front outer wall of the mounting frame, a fan blade and a dust shield assembly sleeved on the output shaft of the servo motor; by driving the fan blade to rotate forward by the servo motor, the fan blade can blow out cold air, thereby facilitating the heat dissipation and cooling of the energy-saving bulb with a hot surface; by driving the fan blade to rotate reversely by the servo motor, the fan blade can suck most of the dust on the surface of the waterproof lampshade and the energy-saving bulb into the drawer of the dust shield assembly for collection, thereby completing the dust removal work.

[0004] However, the waterproof energy-saving lamp proposed in the above patent has the cold air blown out by the fan blades or the dust-laden air sucked in, which is transported through a telescopic hose. This has the following shortcomings: first, the air outlet of the telescopic hose is fixed on the waterproof lampshade, and the wind inside the waterproof lampshade and outside the energy-saving bulb is uneven, resulting in uneven heat dissipation and dust cleaning effects; second, heat dissipation and dust cleaning cannot be performed simultaneously. Utility Model Content

[0005] The purpose of this utility model is to provide a waterproof energy-saving lamp to at least solve the above problems.

[0006] In order to achieve the purpose and other advantages of the utility model, a waterproof energy-saving lamp is provided, comprising: a mounting plate, which is arranged horizontally, and an energy-saving lamp is installed below the mounting plate; a lampshade, which is arranged on the outside of the energy-saving lamp, the top of the lampshade is open and is connected to the mounting plate through a heat transfer ring fixed thereon, the inner side of the heat transfer ring extends into the lampshade, and the outer side passes through the lampshade; an air guide ring, which is sleeved on the outside of the lampshade, the top of the air guide ring is connected to the mounting plate, and the bottom is provided with an air guide portion inclined inwardly and upwardly along its circumference, and a wind gap is left between the top of the air guide portion and the bottom of the lampshade; a plurality of air outlet holes, which are arranged on the mounting plate at intervals around the axial direction of the lampshade, each air outlet hole passes through the mounting plate up and down and is located between the lampshade and the air guide ring, and the air outlet holes are supplied with air by a fan assembly.

[0007] Preferably, the top of the energy-saving lamp is fixedly provided with a connecting plate protruding from its edge, the inner side of the heat transfer ring is provided with a step portion that cooperates with the connecting plate, and the outer side of the heat transfer ring includes an inclined portion and a vertical portion from the inside to the outside, the inclined portion is inclined outward and downward, the vertical portion is connected to the lower end of the inclined portion, and the air outlet is located above the inclined portion.

[0008] Preferably, the middle part of the heat transfer ring is horizontally arranged, and a first sealing ring is provided on its top surface. A plurality of first threaded holes are provided at intervals along the circumference of the middle part of the heat transfer ring. The first threaded holes pass through the heat transfer ring and the first sealing ring up and down. A second threaded hole matching the first threaded hole is provided on the bottom surface of the mounting plate. The first threaded hole and the second threaded hole are threadedly connected by a first bolt and nut assembly.

[0009] Preferably, a connecting ring is fixedly provided on the top outer wall of the air guide ring, the connecting ring is horizontally arranged, and a second sealing ring is provided on the top surface thereof. A plurality of third threaded holes are provided on the connecting ring at intervals along its circumference, and the third threaded hole passes through the connecting ring and the second sealing ring up and down, and a fourth threaded hole is provided on the bottom surface of the mounting plate to cooperate with the third threaded hole, and the third threaded hole and the fourth threaded hole are threadedly connected by a second bolt and nut assembly.

[0010] Preferably, the waterproof energy-saving lamp further comprises: a lamp holder, which is arranged horizontally, and rollers are provided at the four corners of the bottom surface of the lamp holder; a lamp pole, which is vertically fixed on the lamp holder, and the top end of the lamp pole is connected to the mounting plate.

[0011] Preferably, the fan assembly includes a fan, which is fixed on the lamp holder; a wind cover, which is provided on the top surface of the mounting plate and connected to the multiple air outlet holes; an air duct, which is provided in the lamp pole, and the two ends of the air duct respectively pass through the lamp pole and are connected to the air outlet of the fan and the air inlet of the wind cover.

[0012] Preferably, an air guide platform is provided inside the wind hood, and the air guide platform is fixed on the mounting plate, and an air duct is formed between the outer wall of the air guide platform and the inner wall of the wind hood, and an air dividing cone is fixed on the top of the air guide platform, and the air dividing cone is provided below the air inlet of the wind hood.

[0013] The utility model has at least the following beneficial effects:

[0014] The utility model provides a lampshade on the outside of the energy-saving lamp, connects the top of the lampshade to the mounting plate through a heat transfer ring, and extends the inner side of the heat transfer ring into the lampshade and the outer side out of the lampshade, so that the heat generated by the energy-saving lamp is transferred from the inside of the lampshade to the outside of the lampshade through the heat transfer ring, thereby achieving uniform heat conduction from the inside of the lampshade; an air guide ring is provided outside the lampshade, an air guide portion is provided at the bottom of the air guide ring, and a plurality of air outlets are provided on the mounting plate between the lampshade and the air guide ring, the air outlets are supplied by a fan assembly, so that air is supplied between the lampshade and the air guide ring through the fan assembly and the air outlets, the air blown out of the air outlet holes dissipates heat and cools the outer side of the heat transfer ring, and is then ejected through the air gap, thereby achieving uniform air jet dust removal for the lampshade, and heat dissipation and dust removal are performed simultaneously.

[0015] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic cross-sectional view of the lamp holder of a waterproof energy-saving lamp according to an embodiment of the present invention;

[0017] Figure 2 yes Figure 1 Enlarged view of the part A in the middle;

[0018] Figure 3 It is a schematic diagram of the overall structure of a waterproof energy-saving lamp according to another embodiment of the present invention. DETAILED DESCRIPTION

[0019] The present invention will be further described in detail below with reference to the embodiments and drawings so that those skilled in the art can implement the invention with reference to the description.

[0020] It should be understood that terms such as “having”, “including” and “comprising” used herein do not preclude the existence or addition of one or more other elements or combinations thereof.

[0021] It should be noted that the experimental methods described in the following embodiments are conventional methods, and the reagents and materials are commercially available unless otherwise specified. In the description of the present application, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0022] As shown in Figures 1 to 3 The utility model provides a waterproof energy -conserving lamp, include: mounting panel 1, it is horizontally arranged, the energy -consaving lamp 2 is installed in the lower of mounting panel, lamp shade 3, it covers the outside of energy -conserving lamp 2, the top of lamp shade 3 is open and is connected with mounting panel 1 through the heat transfer ring 4 of being fixed on it, the inside of heat transfer ring 4 stretches into lamp shade 3, and the outside passes out lamp shade 3, wind -guiding ring 5, it is sleeved in the outside of lamp shade 3, the top of wind -guiding ring 5 is connected with mounting panel 1, and the bottom is along its circumferential and is equipped with the wind -guiding portion 6 that leans inwards and upwards to the bottom of wind -guiding portion 6 and lamp shade 3 between the top leaves the wind gap 7 of passing, a plurality of air outlet 8, it is arranged on mounting panel 1 around the axial interval of lamp shade 3, and every air outlet 8 penetrates mounting panel 1 and is located between lamp shade 3 and wind -guiding ring 5, and air outlet 8 is supplied with air by fan assembly.

[0023] In the above embodiment, the lamp head portion of the waterproof energy-saving lamp includes a mounting plate 1, an energy-saving lamp 2, a lampshade 3, a heat transfer ring 4, an air guide ring 5, an air guide portion 6, and a plurality of air outlet holes 8. The mounting plate 1 is arranged horizontally, and a wire groove is reserved in the mounting plate 1; the energy-saving lamp 2 is mounted on the bottom surface of the mounting plate 1, and the energy-saving lamp 2 is preferably an LED lamp panel, and the wires extend into the mounting plate 1 through the wire groove and are connected to the energy-saving lamp 2; the lampshade 3 is arranged on the outside of the energy-saving lamp 2, and the lampshade 3 is preferably a transparent acrylic cylindrical cover with an open top; the heat transfer ring 4 is fixed on the top of the lampshade 3 and is arranged coaxially therewith, and the heat transfer ring 4 is made of heat-conducting metal, preferably stainless steel, and the inner side of the heat transfer ring 4 extends into the lampshade 3, and the outer side passes through the lampshade 3 to transfer the heat inside the lampshade 3 to the outside of the lampshade 3 ; The air guide ring 5 is coaxially sleeved on the outside of the lampshade 3, the top of the air guide ring 5 is connected to the mounting plate 1, and the bottom is located below the lampshade 3, and the bottom of the air guide ring 5 is provided with an air guide portion 6 inclined inward and upward along its circumference, and a wind gap 7 is left between the top of the air guide portion 6 and the bottom of the lampshade 3. The air guide ring 5 and the air guide portion 6 are preferably made of transparent acrylic material; a plurality of air outlet holes 8 are arranged on the mounting plate 1 at axial intervals around the lampshade 3, and each air outlet hole 8 passes through the mounting plate 1 up and down and is located between the lampshade 3 and the air guide ring 5. The air outlet holes 8 do not interfere with the wire trough and are supplied with air by the fan assembly.

[0024] When in use, the energy-saving lamp 2 is connected to an external power supply through an electric wire, and the electric wire is buried in the mounting plate 1 to avoid the influence of water vapor; the heat generated by the energy-saving lamp 2 is transferred to the outside through the inner side of the heat transfer ring 4, and the air outlet 8 is supplied with air by the fan assembly. The wind blown out of the air outlet 8 dissipates heat and cools the outside of the heat transfer ring 4, and the heat is transported to the air guide part 6 with the wind and ejected through the wind gap 7. While releasing the heat to the outside of the lamp holder, the lampshade 3 is cleaned and dusted.

[0025] In this embodiment, a lampshade 3 is provided on the outside of the energy-saving lamp 2, and the top of the lampshade 3 is connected to the mounting plate 1 through a heat transfer ring 4. The inner side of the heat transfer ring 4 extends into the lampshade 3 and the outer side passes through the lampshade 3, so that the heat generated by the energy-saving lamp 2 is transferred from the inside of the lampshade 3 to the outside of the lampshade 3 through the heat transfer ring 4. An air guide ring 5 is provided on the outer side of the lampshade 3, an air guide portion 6 is provided at the bottom of the air guide ring 5, and a plurality of air outlets 8 are provided on the mounting plate 1 between the lampshade 3 and the air guide ring 5. The air outlets 8 are supplied with air by a fan assembly, so that air is supplied between the lampshade 3 and the air guide ring 5 through the fan assembly and the air outlets 8. The air blown out of the air outlets 8 dissipates heat and cools the outer side of the heat transfer ring 4, and then is ejected through the air gap 7 to clean and remove dust from the lampshade 3. In other words, the lamp holder of the present invention can achieve the effect of uniformly dissipating heat from the lampshade 3, uniformly spraying air to remove dust from the lampshade 3, and simultaneously achieving the effects of heat dissipation and dust removal.

[0026] In another embodiment, Figure 2 、 Figure 3As shown, the top of the energy-saving lamp 2 is fixedly provided with a connecting plate 9 protruding from its edge, the inner side of the heat transfer ring 4 is provided with a step portion 41 that cooperates with the connecting plate 9, and the outer side of the heat transfer ring 4 includes an inclined portion 42 and a vertical portion 43 from the inside to the outside. The inclined portion 42 is inclined outward and downward, and the vertical portion 43 is connected to the lower end of the inclined portion 42. The air outlet 8 is located above the inclined portion 42.

[0027] In the above embodiment, the connecting plate 9 on the energy-saving lamp 2 is matched with the step portion 41 on the inner side of the heat transfer ring 4. By installing and fixing the heat transfer ring 4 on the mounting plate 1, the energy-saving lamp 2 and the mounting plate 1 can be connected, which simplifies the installation process; the outer side of the heat transfer ring 4 is set to include an inclined portion 42 and a vertical portion 43, and the air outlet 8 is set above the inclined portion 42, so that the wind blown out of the air outlet 8 is guided by the inclined portion 42, so that the wind passes quickly along the gap between the vertical portion 43 and the air guide ring 5, thereby effectively improving the heat dissipation and cooling effect of the heat transfer ring 4.

[0028] In another embodiment, Figure 2 、 Figure 3 As shown, the middle part of the heat transfer ring 4 is arranged horizontally, and a first sealing ring 10 is provided on its top surface. A plurality of first threaded holes are provided in the middle part of the heat transfer ring 4 along its circumference. The first threaded holes pass through the heat transfer ring 4 and the first sealing ring 10 up and down. A second threaded hole matching the first threaded hole is provided on the bottom surface of the mounting plate 1. The first threaded hole and the second threaded hole are threadedly connected by a first bolt and nut assembly 11.

[0029] In the above embodiment, a first sealing ring 10 is provided on the middle top surface of the heat transfer ring 4, and the heat transfer ring 4 is threadedly connected to the mounting plate 1 through a threaded hole and a first bolt and nut assembly 11. The threaded connection is simple to assemble and disassemble, and the connection is stable. The first sealing ring 10 can be tightly attached to the mounting plate 1, resulting in a good sealing effect, which effectively prevents water vapor from entering the lampshade 3.

[0030] In another embodiment, Figure 2 、 Figure 3 As shown, a connecting ring 12 is fixedly provided on the top outer wall of the air guide ring 5. The connecting ring 12 is arranged horizontally, and a second sealing ring 13 is provided on the top surface thereof. A plurality of third threaded holes are provided on the connecting ring 12 at intervals along its circumference. The third threaded hole passes through the connecting ring 12 and the second sealing ring 13 up and down. A fourth threaded hole that cooperates with the third threaded hole is provided on the bottom surface of the mounting plate 1. The third threaded hole and the fourth threaded hole are threadedly connected by a second bolt and nut assembly 14.

[0031] In the above embodiment, a connecting ring 12 is fixedly provided on the top outer wall of the air guide ring 5, a second sealing ring 13 is provided on the top surface of the connecting ring 12, and the connecting ring 12 is threadedly connected to the mounting plate 1 through a threaded hole and a second bolt and nut assembly 14. The threaded connection is simple to assemble and disassemble, the connection is stable, and the second sealing ring 13 can be tightly attached to the mounting plate 1, with a good sealing effect, which effectively prevents water vapor from entering the air guide ring 5 through the top of the air guide ring 5.

[0032] In another embodiment, Figure 1 As shown, the waterproof energy-saving lamp further includes: a lamp holder 15, which is horizontally arranged, and rollers 16 are provided at the four corners of the bottom surface of the lamp holder 15; a lamp pole 17, which is vertically fixed on the lamp holder 15, and the top of the lamp pole 17 is connected to the mounting plate 1.

[0033] In the above embodiment, the mounting plate 1 is fixed to the lamp holder 15 via the lamp rod 17 , and a roller 16 is fixed to the bottom surface of the lamp holder 15 so that the waterproof energy-saving lamp can be moved as a whole via the roller 16 .

[0034] Furthermore, a wire inlet is provided at the upper end of the lamp pole 17, and a wire outlet is opened at the lower end of the lamp pole 17. The wires connected to the energy-saving lamp 2 extend into the lamp pole 17 through the wire groove and wire inlet reserved in the mounting plate 1, and then pass through the lamp pole 17 through the wire outlet to be connected to the external power supply.

[0035] In another embodiment, Figure 1 As shown, the fan assembly includes a fan 18, which is fixed on the lamp holder 15; a wind cover 19, which is provided on the top surface of the mounting plate 1 and is connected to the multiple air outlet holes 8; an air duct 20, which is provided in the lamp pole 17, and the two ends of the air duct 20 respectively pass through the lamp pole 17 and are connected to the air outlet of the fan 18 and the air inlet of the wind cover 19.

[0036] In the above embodiment, the fan assembly preferably includes a fan 18, a wind cover 19 and an air duct 20. The wind cover 19 is connected to multiple air outlets 8. The wind blown out by the fan 18 is transported to the wind cover 19 through the air duct 20, and then blown out through the air outlet 8 to dissipate heat and cool the heat transfer ring 4.

[0037] In another embodiment, Figure 3 As shown, an air guide platform 21 is provided inside the wind hood 19, and the air guide platform 21 is fixed on the mounting plate 1. An air duct 22 is formed between the outer wall of the air guide platform 21 and the inner wall of the wind hood 19. An air dividing cone 23 is fixed on the top of the air guide platform 21, and the air dividing cone 23 is provided below the air inlet of the wind hood 19.

[0038] In the above embodiment, an air guide platform 21 is fixedly provided inside the air hood 19, and an air dividing cone 23 is fixedly provided on the top of the air guide platform 21, so that the air blown out of the air duct 20 can be divided by the air dividing cone 23 and then quickly flow to the air outlet 8 through the air duct 22 formed by the air guide platform 21 and the air hood 19.

[0039] The number of devices and processing scales described here are used to simplify the description of the present invention. Applications, modifications and variations of the present invention's waterproof energy-saving lamp are obvious to those skilled in the art.

[0040] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with this field, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. Waterproof energy-saving lamp, characterized in that, include: A mounting plate is arranged horizontally, and an energy-saving lamp is installed below the mounting plate; a lampshade, which is arranged outside the energy-saving lamp, the top of the lampshade is open and connected to the mounting plate through a heat transfer ring fixed thereon, the inner side of the heat transfer ring extends into the lampshade, and the outer side passes through the lampshade; An air guide ring is sleeved on the outside of the lampshade, the top of the air guide ring is connected to the mounting plate, and the bottom is provided with an air guide portion inclined inward and upward along its circumference, with an air flow gap left between the top of the air guide portion and the bottom of the lampshade; A plurality of air outlet holes are arranged on the mounting plate at intervals around the axial direction of the lampshade. Each air outlet hole passes through the mounting plate up and down and is located between the lampshade and the air guide ring. The air outlet holes are supplied with air by a fan assembly.

2. The waterproof energy-saving lamp according to claim 1, characterized in that: The top of the energy-saving lamp is fixedly provided with a connecting plate protruding from its edge, the inner side of the heat transfer ring is provided with a step portion that cooperates with the connecting plate, and the outer side of the heat transfer ring includes an inclined portion and a vertical portion from the inside to the outside, the inclined portion is inclined outward and downward, the vertical portion is connected to the lower end of the inclined portion, and the air outlet is located above the inclined portion.

3. The waterproof energy-saving lamp according to claim 2, characterized in that: The middle part of the heat transfer ring is arranged horizontally, and a first sealing ring is provided on its top surface. A plurality of first threaded holes are provided at intervals along the circumference of the middle part of the heat transfer ring. The first threaded holes pass through the heat transfer ring and the first sealing ring from top to bottom. A second threaded hole matching the first threaded hole is provided on the bottom surface of the mounting plate. The first threaded hole and the second threaded hole are threadedly connected by a first bolt and nut assembly.

4. The waterproof energy-saving lamp according to claim 3, characterized in that: A connecting ring is fixedly provided on the top outer wall of the air guide ring. The connecting ring is arranged horizontally, and a second sealing ring is provided on the top surface thereof. A plurality of third threaded holes are provided on the connecting ring at intervals along its circumference. The third threaded holes pass through the connecting ring and the second sealing ring up and down. A fourth threaded hole that cooperates with the third threaded hole is provided on the bottom surface of the mounting plate. The third threaded hole and the fourth threaded hole are threadedly connected by a second bolt and nut assembly.

5. The waterproof energy-saving lamp according to claim 1, characterized in that: Also includes: The lamp holder is arranged horizontally, and rollers are provided at the four corners of the bottom surface of the lamp holder; the lamp pole is vertically fixed on the lamp holder, and the top end of the lamp pole is connected to the mounting plate.

6. The waterproof energy-saving lamp according to claim 5, characterized in that: The fan assembly includes a fan, which is fixed on the lamp holder; a wind cover, which is provided on the top surface of the mounting plate and connected to the multiple air outlets; an air duct, which is provided in the lamp pole, and the two ends of the air duct respectively pass through the lamp pole and are connected to the air outlet of the fan and the air inlet of the wind cover.

7. The waterproof energy-saving lamp according to claim 6, characterized in that: An air guide platform is provided inside the wind hood, and the air guide platform is fixed on the mounting plate. An air duct is formed between the outer wall of the air guide platform and the inner wall of the wind hood. An air dividing cone is fixed on the top of the air guide platform, and the air dividing cone is provided below the air inlet of the wind hood.

Citation Information

Patent Citations

  • Waterproof energy-saving lamp

    CN218209146U