Corrosion-resistant LED down lamp

Abstract

The utility model discloses a corrosion-resistant LED down lamp, which relates to the technical field of LED lighting and comprises a down lamp support, a heat dissipation and dehumidification mechanism is arranged at the bottom of the down lamp support, and a light emitting mechanism is arranged at the bottom of the heat dissipation and dehumidification mechanism. The heat dissipation and dehumidification mechanism comprises a second rotating screw, one end of the second rotating screw is in threaded connection with a second fixing nut, the end, away from the second fixing nut, of the second rotating screw is fixedly connected with a fan protection shell, and the top of the inner wall of the fan protection shell is fixedly connected with a fan motor. And an output shaft of the fan motor is fixedly connected with a fan. The fan protection shell, the fan motor, the fan, the electronic board cooling fins, the cooling fin protection shell and the reflecting shell cooling fins are matched, the fan motor is turned on to enable air to penetrate through a gap between the electronic board cooling fins and the fan protection shell in an accelerated mode, then the air passes through a gap between the reflecting shell cooling fins and the cooling fin protection shell, water vapor is not prone to being condensed, and the cooling effect is good. And the lamp body is prevented from being rusted by condensate water.

Description

Technical Field

[0001] The utility model relates to the technical field of LED lighting, in particular to a corrosion-resistant LED downlight. Background Art

[0002] With the continuous development of LED lighting technology, LED downlights have gradually occupied an important position in the field of indoor lighting due to their advantages such as energy saving, low carbon, long life, good color rendering, and fast response speed. However, in specific environments, such as high temperature, high humidity, and highly corrosive places, the light transmittance and corrosion resistance of traditional LED downlights have become key factors restricting their application. Therefore, it is of great significance to develop high temperature resistant and corrosion resistant LED downlights.

[0003] Announcement No. CN203413385U discloses an LED downlight with fast heat dissipation, including a lamp body, an LED light source board is installed on the bottom surface of the lamp body, a reflective cup is covered on the LED light source board, a light-transmitting plate is covered on the reflective cup, and a surface ring is provided on the upper end cover of the lamp body. The lamp body is a heat dissipation lamp body made of heat-conductive metal material, and a plurality of heat dissipation fins are evenly arranged on the outer side wall of the heat dissipation lamp body. The heat dissipation fins are arranged in a turbine shape around the central axis of the heat dissipation lamp body, and the heat dissipation fins are integrally formed with the heat dissipation lamp body.

[0004] In order to solve the problem of how to increase the heat dissipation area of ​​the heat dissipation lamp body to improve the heat dissipation effect, the existing technology adopts a method of evenly arranging a number of heat dissipation fins on the side wall of the heat dissipation lamp body. The arrangement of the heat dissipation fins increases the contact area between the heat dissipation lamp body and the air as a whole. However, condensation water may appear on the surface of the lamp body and the heat dissipation fins in winter or in humid environments, which may lead to rust of the lamp body. Utility Model Content

[0005] The purpose of the utility model is to provide a corrosion-resistant LED downlight to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A corrosion-resistant LED downlight, comprising a downlight bracket, a heat dissipation and dehumidification mechanism is arranged at the bottom of the downlight bracket, and a light emitting mechanism is arranged at the bottom of the heat dissipation and dehumidification mechanism;

[0008] The heat dissipation and dehumidification mechanism includes a rotating screw 2, one end of which is threadedly connected to a fixing nut 2, an end of which is away from the fixing nut 2 and fixedly connected to a fan protective shell, a fan motor is fixedly connected to the top of the inner wall of the fan protective shell, and an output shaft of the fan motor is fixedly connected to a fan.

[0009] A further improvement of the technical solution of the utility model is that: the bottom of the fan protection shell is fixedly connected to a heat sink protection shell, the inner wall of the heat sink protection shell is fixedly connected to a reflective shell heat sink, and the bottom of the inner wall of the fan protection shell is fixedly connected to an electronic board heat sink.

[0010] A further improvement of the technical solution of the utility model is that the downlight bracket includes a middle fixing plate, both ends of the middle fixing plate are rotatably connected with a rotating shaft, the middle outer wall of the rotating shaft is rotatably connected with a side fixing plate, a fixing hole is opened in the middle of the side fixing plate, the side fixing plate is fixedly connected to the bottom of the fixing hole with a spring buckle, and one end of the spring buckle is fixedly connected with a spring.

[0011] A further improvement of the technical solution of the utility model is that the downlight bracket includes a middle fixing plate, both ends of the middle fixing plate are rotatably connected with a rotating shaft, the middle outer wall of the rotating shaft is rotatably connected with a side fixing plate, a fixing hole is opened in the middle of the side fixing plate, the side fixing plate is fixedly connected to the bottom of the fixing hole with a spring buckle, and one end of the spring buckle is fixedly connected with a spring.

[0012] The further improvement of the technical solution of the utility model is that: a rotating screw 1 is fixedly installed at the bottom of the middle fixed plate, a fixing nut 1 is threadedly connected to the bottom of the outer wall of the rotating screw 1, and a rotating frame is rotatably connected to the middle of the outer wall of the rotating screw 1. Rotating holes are opened on both sides of the bottom of the rotating frame, and the rotating holes are rotatably connected to the rotating screw 2.

[0013] A further improvement of the technical solution of the utility model is that the light-emitting mechanism includes an LED lamp, the top of the LED lamp is fixedly connected to an electronic board, the outer wall of the electronic board is fixedly connected to a reflective shell, the top of the electronic board is fixedly connected to the electronic board heat sink, and the outer wall of the reflective shell is fixedly connected to the reflective shell heat sink.

[0014] A further improvement of the technical solution of the utility model is that: the bottom of the reflective shell is fixedly connected with an upper fixing ring, the bottom of the upper fixing ring is fixedly connected with a rubber ring, the bottom of the rubber ring is fixedly installed with a lower fixing ring, the middle of the lower fixing ring is fixedly installed with a light-transmitting mirror, and the edges of the rubber ring, the lower fixing ring and the upper fixing ring are threadedly connected with fixing screws.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] 1. The utility model provides a corrosion-resistant LED downlight. Through the coordination of a fan protective shell, a fan motor, a fan, an electronic board heat sink, a heat sink protective shell, and a reflective shell heat sink, heat will be generated after the light is turned on. The heat will be introduced into the reflective shell heat sink and the electronic board heat sink. If the temperature is low or the air is humid and condensation water is easy to be generated, the fan motor is turned on to accelerate the air to pass through the gap between the electronic board heat sink and the fan protective shell, and then pass through the gap between the reflective shell heat sink and the heat sink protective shell, so that the condensation water evaporates quickly and the water vapor is not easy to condense, thereby preventing the condensation water from corroding the lamp body.

[0017] 2. The utility model provides a corrosion-resistant LED downlight. Through the coordination of the downlight bracket, the middle fixing plate, the side fixing plate, the fixing hole, the rotating shaft, the spring buckle and the spring, a placement hole is opened on the ceiling, the side fixing plate is rotated upward around the rotating shaft, and then the downlight bracket is placed in the placement hole. The side fixing plate is loosened so that the spring pulls the spring buckle to drive the side fixing plate to reset and clamp the downlight. If the placement hole cannot be opened, screws or nails can be passed through the fixing hole to fix it in the specified position. The structure is simple, convenient for downlight installation, and makes it more applicable.

[0018] 3. The utility model provides a corrosion-resistant LED downlight. By cooperating with rotating screw 1, rotating frame 18, fixing nut 1, rotating screw 2, and fixing nut 2, after the rotating frame is rotated to a specified position around rotating screw 1, fixing nut 1 is rotated upward to fix the rotating frame, and after the fan protective shell is rotated to a specified position, fixing nut 2 is firmly rotated along rotating screw 2 toward the direction of the fan protective shell, so that the direction of the downlight can be adjusted and the application range is wider.

[0019] 4. The utility model provides a corrosion-resistant LED downlight. By cooperating with an LED lamp, an electronic board, a reflective shell, an upper fixing ring, a rubber ring, a lower fixing ring, fixing screws, and a light-transmitting mirror, the LED lamp is illuminated by turning on the power, and the reflective shell reflects the light through the light-transmitting mirror. The sealing of the downlight is enhanced by passing the fixing screws through the lower fixing ring, the rubber ring, and the upper fixing ring to fix the rubber ring, thereby preventing water vapor from entering. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a side structural schematic diagram of the utility model of the present invention;

[0022] Figure 3 This is a schematic diagram of the structure of the downlight bracket of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure decomposition of the heat dissipation and dehumidification mechanism of the utility model;

[0024] Figure 5 It is a schematic diagram of the structural decomposition of the light-emitting mechanism of the utility model.

[0025] In the figure: 1. Downlight bracket; 11. Middle fixing plate; 12. Side fixing plate; 13. Fixing hole; 14. Rotating shaft; 15. Spring buckle; 16. Spring; 17. Rotating screw one; 18. Rotating frame; 19. Fixing nut one; 110. Rotating hole; 2. Heat dissipation and dehumidification mechanism; 21. Rotating screw two; 22. Fixing nut two; 23. Fan protective shell; 24. Fan motor; 25. Fan; 26. Electronic board heat sink; 27. Heat sink protective shell; 28. Reflective shell heat sink; 3. Light-emitting mechanism; 31. LED lamp; 32. Electronic board; 33. Reflective shell; 34. Upper fixing ring; 35. Rubber ring; 36. Lower fixing ring; 37. Fixing screw; 38. Translucent mirror. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the embodiments: Example

[0027] like Figure 1-5 As shown, the utility model provides a corrosion-resistant LED downlight, comprising a downlight bracket downlight bracket 1, a heat dissipation and dehumidification mechanism 2 is arranged at the bottom of the downlight bracket 1, and a light-emitting mechanism 3 is arranged at the bottom of the heat dissipation and dehumidification mechanism 2;

[0028] The heat dissipation and dehumidification mechanism 2 includes a rotating screw 21, one end of the rotating screw 21 is threadedly connected to a fixing nut 22, the end of the rotating screw 21 away from the fixing nut 22 is fixedly connected to a fan protection shell 23, the top of the inner wall of the fan protection shell 23 is fixedly connected to a fan motor 24, the output shaft of the fan motor 24 is fixedly connected to a fan 25, the output shaft of the fan protection shell 23 is fixedly connected to a heat sink protection shell 27, the inner wall of the heat sink protection shell 27 is fixedly connected to a reflective shell heat sink 28, and the bottom of the inner wall of the fan protection shell 23 is fixedly connected to an electronic board heat sink 26.

[0029] In this embodiment, the power is turned on to make the LED lamp 31 emit light and generate heat. The reflective shell 33 reflects the light through the light-transmitting mirror 38. The fixed rubber ring 35 enhances the sealing of the downlight to prevent water vapor from entering but makes it difficult for heat to dissipate. The heat is introduced into the reflective shell heat sink 28 and the electronic board heat sink 26. If the temperature is low or the air is humid, condensation water is easily generated. The fan motor 24 is turned on to accelerate the air to pass through the gap between the electronic board heat sink 26 and the fan protective shell 23, and then pass through the gap between the reflective shell heat sink 28 and the heat sink protective shell 27, so that the condensation water evaporates quickly and the water vapor is not easy to condense, thereby preventing the condensation water from rusting the lamp body. Example

[0030] like Figure 1-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the downlight bracket 1 includes a middle fixing plate 11, and the two ends of the middle fixing plate 11 are rotatably connected with a rotating shaft 14, and the middle outer wall of the rotating shaft 14 is rotatably connected with a side fixing plate 12, and a fixing hole 13 is opened in the middle of the side fixing plate 12, and a spring buckle 15 is fixedly connected to the bottom of the side fixing plate 12 and the fixing hole 13, and a spring 16 is fixedly connected to one end of the spring buckle 15, and a rotating screw 17 is fixedly installed at the bottom of the middle fixing plate 11, and a fixing nut 19 is threadedly connected to the bottom of the outer wall of the rotating screw 17, and a rotating frame 18 is rotatably connected to the middle of the outer wall of the rotating screw 17, and rotating holes 110 are opened on both sides of the bottom of the rotating frame 18, and the rotating hole 110 is rotatably connected to the rotating screw 21.

[0031] In this embodiment, a placement hole is opened on the ceiling, the side fixing plate 12 is rotated upward around the rotating shaft 14, and then the downlight bracket 1 is placed in the placement hole, and the side fixing plate 12 is loosened so that the spring 16 pulls the spring buckle 15 to drive the side fixing plate 12 to reset and clamp the downlight. If a placement hole cannot be opened, screws or nails can be passed through the fixing hole 13 to fix it in the specified position. This structure is simple, easy to install the downlight, and has a wider range of applications. Example

[0032] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: the downlight bracket 1 includes a middle fixing plate 11, both ends of the middle fixing plate 11 are rotatably connected with a rotating shaft 14, the middle outer wall of the rotating shaft 14 is rotatably connected with a side fixing plate 12, a fixing hole 13 is opened in the middle of the side fixing plate 12, a spring buckle 15 is fixedly connected between the side fixing plate 12 and the bottom of the fixing hole 13, and one end of the spring buckle 15 is fixedly connected with a spring 16.

[0033] In this embodiment, after the rotating frame 18 is rotated around the rotating screw 17 to a specified position, the fixing nut 19 is rotated upward to fix the rotating frame 18. After the fan protective shell 23 is rotated to a specified position, the fixing nut 22 is firmly rotated along the rotating screw 21 toward the fan protective shell 23, so that the direction of the downlight can be adjusted and the application range is wider. Example

[0034] like Figure 1-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the light-emitting mechanism 3 includes an LED lamp 31, the top of the LED lamp 31 is fixedly connected with an electronic board 32, the outer wall of the electronic board 32 is fixedly connected with a reflective shell 33, the top of the electronic board 32 is fixedly connected to the electronic board heat sink 26, the outer wall of the reflective shell 33 is fixedly connected to the reflective shell heat sink 28, the bottom of the reflective shell 33 is fixedly connected with an upper fixing ring 34, the bottom of the upper fixing ring 34 is fixedly connected with a rubber ring 35, the bottom of the rubber ring 35 is fixedly installed with a lower fixing ring 36, the middle of the lower fixing ring 36 is fixedly installed with a light-transmitting mirror 38, and the edges of the rubber ring 35, the lower fixing ring 36 and the upper fixing ring 34 are threadedly connected with fixing screws 37.

[0035] In this embodiment, the LED lamp 31 is turned on to emit light and generate heat, the reflective shell 33 reflects the light through the light-transmitting mirror 38, and the fixed rubber ring 35 enhances the sealing of the downlight to prevent water vapor from entering.

[0036] The following is a detailed description of the working principle of the corrosion-resistant LED downlight.

[0037] like Figure 1-5 As shown, first, a placement hole is made in the ceiling, the side fixing plate 12 is rotated upward around the rotating shaft 14, and then the downlight bracket 1 is placed in the placement hole, and the side fixing plate 12 is loosened so that the spring 16 pulls the spring buckle 15 to drive the side fixing plate 12 to reset and clamp the downlight. If a placement hole cannot be made, screws or nails can be passed through the fixing hole 13 to fix it in the specified position. If the direction of the downlight is to be adjusted, the rotating frame 18 can be rotated around the rotating screw 17 to the specified position, and the fixing nut 19 can be rotated upward to fix the rotating frame 18. After the fan protection shell 23 is rotated to the specified position, the fixing nut 22 can be firmly rotated along the rotating screw 21 toward the fan protection shell 23, and the power is turned on to make the LED lamp 31 emit light. The reflective shell 33 reflects the light through the light-transmitting mirror 38. The fixing screw 37 is passed through the lower fixing ring 36, the rubber ring 35, and the upper fixing ring 34 to fix the rubber ring 35 so that the sealing of the downlight is enhanced to prevent water vapor from entering. The heat generated by the LED lamp 31 will be introduced into the reflective shell heat sink 28 and the electronic board heat sink 26. If the temperature is low or the air is humid, condensation water is easily generated. Turn on the fan motor 24 to accelerate the air to pass through the gap between the electronic board heat sink 26 and the fan protection shell 23, and then pass through the gap between the reflective shell heat sink 28 and the heat sink protection shell 27, so that the condensation water evaporates quickly and the water vapor is not easy to condense, so as to prevent the condensation water from corroding the lamp body.

[0038] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A corrosion-resistant LED downlight, comprising a downlight bracket (1), characterized in that: A heat dissipation and dehumidification mechanism (2) is provided at the bottom of the downlight bracket (1), and a light emitting mechanism (3) is provided at the bottom of the heat dissipation and dehumidification mechanism (2); The heat dissipation and dehumidification mechanism (2) comprises a rotating screw (21), one end of which is threadedly connected to a fixing nut (22), one end of which is away from the fixing nut (22) and fixedly connected to a fan protection shell (23), a fan motor (24) being fixedly connected to the top of the inner wall of the fan protection shell (23), and an output shaft of the fan motor (24) being fixedly connected to a fan (25).

2. The corrosion-resistant LED downlight according to claim 1, characterized in that: The bottom of the fan protection shell (23) is fixedly connected to a heat sink protection shell (27), the inner wall of the heat sink protection shell (27) is fixedly connected to a reflective shell heat sink (28), and the bottom of the inner wall of the fan protection shell (23) is fixedly connected to an electronic board heat sink (26).

3. The corrosion-resistant LED downlight according to claim 1, characterized in that: The downlight bracket (1) comprises a central fixing plate (11), the two ends of the central fixing plate (11) are rotatably connected to a rotating shaft (14), the central outer wall of the rotating shaft (14) is rotatably connected to a side fixing plate (12), a fixing hole (13) is provided in the middle of the side fixing plate (12), a spring buckle (15) is fixedly connected between the side fixing plate (12) and the bottom of the fixing hole (13), and one end of the spring buckle (15) is fixedly connected to a spring (16).

4. The corrosion-resistant LED downlight according to claim 3, characterized in that: A rotating screw (17) is fixedly mounted on the bottom of the middle fixed plate (11); a fixing nut (19) is threadedly connected to the bottom of the outer wall of the rotating screw (17); and a rotating frame (18) is rotatably connected to the middle of the outer wall of the rotating screw (17).

5. The corrosion-resistant LED downlight according to claim 4, characterized in that: Rotation holes (110) are provided on both sides of the bottom of the rotating frame (18), and the rotation holes (110) are rotatably connected to the second rotating screw (21).

6. The corrosion-resistant LED downlight according to claim 2, characterized in that: The light-emitting mechanism (3) comprises an LED lamp (31), the top of the LED lamp (31) is fixedly connected to an electronic board (32), the outer wall of the electronic board (32) is fixedly connected to a reflective shell (33), the top of the electronic board (32) is fixedly connected to an electronic board heat sink (26), and the outer wall of the reflective shell (33) is fixedly connected to a reflective shell heat sink (28).

7. The corrosion-resistant LED downlight according to claim 6, characterized in that: The bottom of the reflective shell (33) is fixedly connected to an upper fixing ring (34), the bottom of the upper fixing ring (34) is fixedly connected to a rubber ring (35), the bottom of the rubber ring (35) is fixedly mounted with a lower fixing ring (36), the middle of the lower fixing ring (36) is fixedly mounted with a light-transmitting mirror (38), and the edges of the rubber ring (35), the lower fixing ring (36), and the upper fixing ring (34) are threadedly connected with fixing screws (37).

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