Down lamp convenient to dissipate heat

By introducing a temperature sensor and a motor-driven gear system into the downlight, the heat dissipation area is adjusted, and the heat sink is fixed by threaded connection, which solves the problems of untimely heat dissipation and difficult cleaning of the downlight, and achieves rapid heat dissipation and convenient maintenance.

CN223755320UActive Publication Date: 2026-01-02FUJIAN OULUPU LIGHTING APPLIANCE CO LTD
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Patent Information

Application Number
CN202520508448.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-01-02
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Existing downlights suffer from poor heat dissipation, which affects their performance, and the heat sinks are difficult to disassemble and clean.

Method used

A downlight designed to facilitate heat dissipation uses a temperature sensor to detect temperature, controls a motor to drive a gear on a gear shaft to rotate, adjusts the position of an arc-shaped baffle to adjust the heat dissipation area, and fixes the heat sink with a threaded connection, making it easy to assemble and disassemble.

Benefits of technology

It enables rapid heat dissipation when the temperature is too high, preventing it from affecting the performance, and also facilitates the replacement and cleaning of the heat sink.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223755320U_ABST
    Figure CN223755320U_ABST
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Abstract

The down lamp comprises an installation base and a lampshade, the lampshade is arranged at one end of the installation base, heat dissipation grooves are formed in the middle positions of the top and the bottom of the installation base, arc-shaped baffles are arranged in the heat dissipation grooves in the top of a dustproof net, and supporting frames are arranged on the inner walls, at one ends of tooth mark strips at the bottoms of the arc-shaped baffles, of the installation base. Gear shafts are arranged in the supporting frames through bearing seats, gears are arranged on the gear shafts, the gears are meshed with tooth mark strips at the bottoms of the arc-shaped baffles through gear grooves, cooling fins are arranged at the positions, corresponding to the inserting grooves, of the outer side of the lampshade, and the cooling fins are connected with the inserting grooves of the lampshade in an inserted mode through inserting blocks. According to the utility model, the heat dissipation effect can be improved by increasing the heat dissipation area, and the heat dissipation fins can be conveniently disassembled and assembled when the heat dissipation fins are replaced and cleaned.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of down lamp, concretely is a down lamp convenient to heat dissipation. BACKGROUND

[0002] Down lamp is a kind of under-lighting direct lighting lamp for providing uniform light, is usually installed in the recess of ceiling, does not occupy additional space, makes indoor design more neat and modern, can be widely used in hotel, family, coffee shop, office, conference room, department store and other places.

[0003] In prior art, if general down lamp cannot heat dissipation in time when using, possibly influence its use effect, and need to clean the cooling fin when using, if cannot disassemble and assemble, then will increase its cleaning difficulty. UTILITY MODEL CONTENT

[0004] The utility model is to provide a kind of down lamp convenient to heat dissipation to solve the problems presented in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of down lamp convenient to heat dissipation, including mounting seat and lampshade, the one end of the mounting seat is equipped with lampshade, and the middle position of the top and bottom of the mounting seat is equipped with heat dissipation groove, the bottom of the heat dissipation groove is equipped with dust screen, and the heat dissipation groove in the top of the dust screen is equipped with arc baffle, and the inner side one end of the arc baffle is equipped with tooth mark strip, the inner wall of the mounting seat on the one end of tooth mark strip of the arc baffle bottom is equipped with support frame, and the support frame is equipped with gear shaft through bearing seat, and the gear shaft is equipped with gear, the side wall of the mounting seat on the gear corresponding is equipped with gear groove, and the gear is engaged with the tooth mark strip of the arc baffle bottom through gear groove, the outside of the one end of the lampshade close to the mounting seat is evenly equipped with slot, and the position of the outside of the lampshade corresponding slot is equipped with cooling fin, the position of the cooling fin bottom corresponding slot is equipped with plug, and the cooling fin is inserted with the slot of the lampshade through plug, when temperature is too high, the heat dissipation area can be adjusted, and heat dissipation is accelerated, and when assembling, the cooling fin and the lampshade can be installed, subsequent replacement and cleaning are facilitated.

[0006] Preferably, the lampshade on both sides of the cooling fin is equipped with clamping plate, and the middle position of both ends of the clamping plate and the cooling fin corresponding is equipped with threaded hole.

[0007] Preferably, the threaded hole corresponding of the clamping plate and the cooling fin is connected with screw rod through screw thread, and the screw rod on the outside of the clamping plate is connected with nut through screw thread, so that the screw rod is screwed through the clamping plate and the cooling fin, and the clamping plate and the cooling fin can be fixed.

[0008] Preferably, the arc-shaped baffle is provided with an arc-shaped moving groove on one side close to the mounting seat of the support frame, and the mounting seat at both ends of the moving groove and the heat dissipation groove is provided with an arc-shaped sliding groove.

[0009] Preferably, the arc-shaped baffle is provided with an arc-shaped supporting strip at both ends, and the arc-shaped supporting strip is slidably connected with the corresponding arc-shaped sliding groove, so that the arc-shaped baffle drives the arc-shaped supporting strip to move in the arc-shaped sliding groove, the arc-shaped baffle can be moved into the moving groove, and the movement is more stable.

[0010] Preferably, the mounting seat is provided with a heat dissipation device at the middle position, and a temperature sensor is arranged on the top of the mounting seat away from one end of the support frame.

[0011] Preferably, the lampshade is provided with an LED lamp at the middle position close to one end of the mounting seat, a light-transmitting mirror is arranged in the lampshade at the other end of the LED lamp, and a light guide plate is arranged in the lampshade on the other side of the light-transmitting mirror, so that the light of the LED lamp is evenly emitted to the illumination area, and the illumination quality and comfort are improved.

[0012] Preferably, the support frame is provided with a motor cover on the outer side of one end of the gear shaft, and a motor is arranged in the motor cover, and the output end of the motor extends into the support frame and is connected with the gear shaft through a bearing and a shaft coupling.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the cylinder lamp convenient for heat dissipation, through the temperature sensor sensing temperature information, when the temperature is too high, the motor drives the gear on the gear shaft to rotate, the gear drives the arc-shaped baffle meshed with it to move and expose the heat dissipation groove, the heat dissipation area can be adjusted, so that the heat dissipation effect is accelerated, the use effect is prevented from being affected by the too high temperature, and when assembling, the plug at the bottom of the heat dissipation fin is aligned with the slot, the heat dissipation fin can be preliminarily positioned, then the screw rod can be screwed through the corresponding threaded holes in the clamping plate and the heat dissipation fin, and the screw rod can be fixed by using the nut, so that the heat dissipation fin can be assembled and disassembled, and subsequent replacement and cleaning are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a side view structure schematic diagram of the utility model;

[0015] Figure 2 It is a side view structure schematic diagram of the utility model;

[0016] Figure 3 It is a mounting seat top view structure schematic diagram of the utility model;

[0017] Figure 4 It is a lampshade, heat dissipation fin and clamping plate top view structure schematic diagram of the utility model;

[0018] Figure 5 It is a Figure 2Enlarged structural schematic view at A in the middle;

[0019] In the figure: 1, mounting seat; 2, lampshade; 3, fin; 4, clamping plate; 5, radiator; 6, temperature sensor; 7, plug; 8, light guide plate; 9, light transmission lens; 10, LED lamp; 11, motor; 12, support frame; 13, dust screen; 14, arc baffle; 15, heat dissipation groove; 16, screw rod; 17, moving groove; 18, arc support; 19, gear shaft; 20, gear; 21, motor cover. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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.

[0021] Please refer to Figures 1-5 The utility model provides an embodiment: a down lamp convenient for heat dissipation, including mounting seat 1 and lampshade 2, one end of mounting seat 1 is equipped with lampshade 2, and the middle position of the top and bottom of mounting seat 1 is equipped with heat dissipation groove 15, and the inner bottom of heat dissipation groove 15 is equipped with dust screen 13;

[0022] When using, the dust screen 13 can block dust when the arc baffle 14 moves, and the entry of dust can be reduced.

[0023] And the heat dissipation groove 15 in the top of dust screen 13 is equipped with arc baffle 14, and the inner side one end of arc baffle 14 is equipped with tooth mark strip, the inner wall of mounting seat 1 on the one end of tooth mark strip of the bottom of arc baffle 14 is equipped with support frame 12, and the support frame 12 is equipped with gear shaft 19 through bearing seat, and the gear shaft 19 is equipped with gear 20, the side wall of mounting seat 1 corresponding to gear 20 is equipped with gear groove, and gear 20 is engaged with tooth mark strip on the bottom of arc baffle 14 through gear groove, the outer side of support frame 12 on one end of gear shaft 19 is equipped with motor cover 21, and the motor cover 21 is equipped with motor 11, and the output end of motor 11 extends to support frame 12 and gear shaft 19 through bearing and coupling.

[0024] When using, the motor 11 drives the gear 20 on the gear shaft 19 to rotate, the gear 20 drives the arc baffle 14 engaged with it to move, so that the arc baffle 14 moves to expose the heat dissipation groove 15, the heat dissipation area can be adjusted, so that the heat dissipation effect is improved, and the temperature is prevented from being too high to affect the use effect.

[0025] The lampshade 2 is uniformly provided with a plurality of insertion grooves on the outer side of the end close to the mounting base 1, and the lampshade 2 is provided with a plurality of heat dissipation fins 3 at positions corresponding to the insertion grooves, the bottom of each heat dissipation fin 3 is provided with an insertion block 7, the heat dissipation fin 3 is inserted into the insertion groove of the lampshade 2 through the insertion block 7, the lampshade 2 on both sides of the heat dissipation fin 3 is provided with a clamping plate 4, the clamping plate 4 and the heat dissipation fin 3 are provided with a threaded hole at positions corresponding to the middle positions of the two ends, and the threaded hole of the clamping plate 4 and the heat dissipation fin 3 is connected with a screw rod 16 through screwing, and the outer side of the screw rod 16 of the clamping plate 4 is connected with a nut through screwing.

[0026] In use, the insertion block 7 at the bottom of the heat dissipation fin 3 is aligned with the insertion groove and clamped between the clamping plates 4, the heat dissipation fin 3 is preliminarily positioned, then the screw rod 16 is screwed through the threaded holes corresponding to the clamping plate 4 and the heat dissipation fin 3, and the nut is screwed on the two ends of the screw rod 16 and the clamping plate 4 is attached, the heat dissipation fin 3 is fixed by the screw rod 16, the heat dissipation fin 3 made of aluminum alloy can dissipate heat for the down lamp, and the heat dissipation fin 3 can be assembled and disassembled, which is convenient for replacement and cleaning.

[0027] The mounting base 1 in the arc-shaped baffle 14 on one side close to the support frame 12 is provided with an arc-shaped moving groove 17, and the mounting base 1 at both ends of the moving groove 17 and the heat dissipation groove 15 is provided with an arc-shaped sliding groove, both ends of the arc-shaped baffle 14 are provided with an arc-shaped support 18, and the arc-shaped support 18 is connected with the corresponding arc-shaped sliding groove in sliding mode.

[0028] In use, one side of the arc-shaped baffle 14 is moved into the moving groove 17, the arc-shaped support 18 at both ends is moved in the arc-shaped sliding groove, and the arc-shaped baffle 14 is moved more stably.

[0029] The mounting base 1 is provided with a heat dissipation device 5 at the middle position, and the mounting base 1 is provided with a temperature sensor 6 at the top away from the support frame 12.

[0030] In use, the heat dissipation device 5 is started to dissipate heat for the down lamp, then the temperature sensor 6 senses the internal temperature, when the temperature reaches the preset range, the information is transmitted to the control system, the control system controls the motor 11 to start and accelerate the heat dissipation.

[0031] The lampshade 2 is provided with an LED lamp 10 at the middle position close to the mounting base 1, the lampshade 2 is provided with a light-transmitting lens 9 at the other end of the LED lamp 10, and the lampshade 2 is provided with a light guide plate 8 at the other side of the light-transmitting lens 9.

[0032] In use, the LED lamp 10 is started to illuminate, the light-transmitting lens 9 and the light guide plate 8 can uniformly emit light during illumination, and the illumination quality and comfort are improved.

[0033] In use, the staff aligns the insertion block 7 at the bottom of the heat dissipation fin 3 with the insertion slot and clamps into the clamping plate 4, so as to preliminarily position the heat dissipation fin 3, then the screw rod 16 is screwed through the corresponding threaded holes in the clamping plate 4 and the heat dissipation fin 3, and the nuts are screwed on the two ends of the screw rod 16 and are in close contact with the clamping plate 4, so that the heat dissipation fin 3 is fixed by the screw rod 16, so that the heat dissipation fin 3 made of aluminum alloy can dissipate heat for the down lamp, and the heat dissipation fin 3 can be assembled and disassembled for convenient replacement and cleaning, then in use, the LED lamp 10 can be started to illuminate, the light can be uniformly emitted through the light transmission lens 9 and the light guide plate 8 during illumination, the illumination quality and comfort are improved, the radiator 5 is started to dissipate heat for the down lamp, during heat dissipation, the temperature sensor 6 can sense the internal temperature, when the temperature reaches the preset range, information can be transmitted to the control system, so that the control system controls the motor 11 to start and accelerate heat dissipation, then the motor 11 drives the gear 20 on the gear shaft 19 to rotate, the gear 20 drives the arc-shaped baffle 14 engaged therewith to move, so that the arc-shaped baffle 14 moves to expose the heat dissipation groove 15, the heat dissipation area can be adjusted, so that the heat dissipation effect is accelerated, and the temperature is prevented from being too high to affect the use effect, when the arc-shaped baffle 14 moves, the arc-shaped baffle 14 is stably moved into the moving groove 17 through the action of the arc-shaped support 18, and the dust is blocked by the dust screen 13, so that the entry of dust is reduced.

[0034] Obviously, the above-described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

Claims

1. A downlight with convenient heat dissipation, characterized in that: The device includes a mounting base (1) and a lampshade (2). The lampshade (2) is provided at one end of the mounting base (1). The mounting base (1) has heat dissipation grooves (15) at the middle of its top and bottom. The bottom of each heat dissipation groove (15) is provided with a dustproof net (13). The heat dissipation groove (15) at the top of the dustproof net (13) is provided with an arc-shaped baffle (14). The inner side of each arc-shaped baffle (14) is provided with a toothed strip. The inner wall of the mounting base (1) at the bottom of the arc-shaped baffle (14) is provided with a support frame (12). The support frame (12) is provided with a toothed strip through a bearing seat. A wheel axle (19) is provided, and a gear (20) is provided on the gear shaft (19). A gear groove is provided on the side wall of the mounting base (1) corresponding to the gear (20). The gear (20) meshes with the toothed strip at the bottom of the arc baffle (14) through the gear groove. The lampshade (2) is provided with slots evenly on the outer side near the mounting base (1). A heat sink (3) is provided on the outer side of the lampshade (2) at the position corresponding to the slot. A plug (7) is provided at the bottom of the heat sink (3) at the position corresponding to the slot. The heat sink (3) is inserted into the slot of the lampshade (2) through the plug (7).

2. The downlight with heat dissipation as described in claim 1, characterized in that: Both sides of the heat sink (3) are provided with a card plate (4), and the card plate (4) and the corresponding middle positions of both ends of the heat sink (3) are provided with threaded holes.

3. A downlight with convenient heat dissipation according to claim 2, characterized in that: The corresponding threaded holes of the card plate (4) and the heat sink (3) are all connected to screw rods (16) by threads, and the screw rods (16) on the outside of the card plate (4) are all connected to nuts by threads.

4. A downlight with convenient heat dissipation according to claim 1, characterized in that: The mounting base (1) on one side of the arc-shaped baffle (14) near the support frame (12) is provided with an arc-shaped moving groove (17), and the mounting base (1) at both ends of the moving groove (17) and the heat dissipation groove (15) is provided with an arc-shaped sliding groove.

5. A downlight with convenient heat dissipation according to claim 1, characterized in that: Both ends of the arc-shaped baffle (14) are provided with arc-shaped support bars (18), and the arc-shaped support bars (18) are slidably connected to the corresponding arc-shaped grooves.

6. A downlight with convenient heat dissipation according to claim 1, characterized in that: A heat sink (5) is provided in the middle of the mounting base (1), and a temperature sensor (6) is provided on the top of the mounting base (1) away from the support frame (12).

7. A downlight with convenient heat dissipation according to claim 1, characterized in that: An LED light (10) is provided in the middle of the lampshade (2) near the mounting base (1), and a light-transmitting mirror (9) is provided in the lampshade (2) at the other end of the LED light (10), and a light guide plate (8) is provided in the lampshade (2) on the other side of the light-transmitting mirror (9).

8. A downlight with convenient heat dissipation according to claim 1, characterized in that: The outer side of the support frame (12) at one end of the gear shaft (19) is provided with a motor cover (21), and a motor (11) is provided inside the motor cover (21). The output end of the motor (11) extends into the support frame (12) and the gear shaft (19) through bearings and couplings.