CN210266941U

CN210266941U - Ceiling lamp heat radiation structure

Info

Publication number: CN210266941U
Application number: CN201921601497.7U
Authority: CN
Inventors: 方玉亚
Original assignee: Hangzhou Sangdi Lighting Electric Appliance Co ltd
Current assignee: Hangzhou Sangdi Lighting Electric Appliance Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-04-07
Anticipated expiration: 2029-09-24

Abstract

The utility model belongs to the technical field of the illumination lamps and lanterns technique and specifically relates to a ceiling lamp heat radiation structure is related to. Airflow fluidity in the ceiling lamp radiator of prior art is poor, and the radiating effect is not good, and this scheme includes the protecgulum, is connected with the radiator on the protecgulum, is equipped with light-passing board, lamp plate and lamp shade between radiator and the protecgulum, is equipped with a plurality of banks between lamp plate and the light-passing board, is equipped with on the radiator to be used for carrying out refrigerated extraction fan to the radiator, is connected with the snap ring on the perisporium of extraction fan, is fixed with the joint board on the perisporium of snap ring, has seted up the joint groove on the joint board, the tortuous setting in joint groove, be equipped with the gag lever post on the radiator, gag lever post and joint groove clearance fit set up, sliding connection on the joint groove, the one. This scheme can strengthen the air current in the radiator and flow, improves the radiating effect.

Description

Ceiling lamp heat radiation structure

Technical Field

The utility model belongs to the technical field of the illumination lamps and lanterns technique and specifically relates to a ceiling lamp heat radiation structure is related to.

Background

The ceiling lamp is embedded into the ceiling, so that the light source is not exposed and eyes are not stimulated, the integral unity of architectural decoration is kept, and the ceiling lamp is very suitable for markets, supermarkets, hotels, jewelry counters and high-grade homes.

The current chinese patent that publication number is CN204693224U discloses a ceiling lamp, including protecgulum and the radiator of double as the back lid, the radiator stretches into the protecgulum, and be connected with the protecgulum cooperation, be provided with lamp plate and lamp shade between radiator and the protecgulum, the lamp plate is attached on the radiator, the lamp shade covers the lamp plate, and with protecgulum fixed connection, be provided with a plurality of banks on the lamp plate, be provided with a plurality of heat conduction pieces on the radiator, every heat conduction piece contacts with the bank of lamps that corresponds, the both sides of protecgulum are provided with the draw-in groove, all install one in every draw-in groove and install the ceiling lamp on the installation and detain.

The ceiling lamp in the prior art has the advantages that the heat generated in the use process is more, the air flow in the radiator is poor in mobility, the radiating effect is poor, and the service life of the ceiling lamp is easily shortened due to high temperature.

Disclosure of Invention

The utility model aims at providing a ceiling lamp heat radiation structure can strengthen the air current flow in the radiator and flow, improves the radiating effect, prolongs the life of ceiling lamp.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a ceiling lamp heat dissipation structure comprises a front cover, wherein a radiator is connected onto the front cover, a light transmission plate, a lamp plate and a lampshade are arranged between the radiator and the front cover, the lamp plate is attached to the radiator, the lampshade covers the lamp plate and the light transmission plate, a plurality of lamp groups are arranged between the lamp plate and the light transmission plate, the lampshade and the front cover are fixedly connected through bolts, clamping grooves are arranged on two sides of the front cover, mounting buckles are arranged in the clamping grooves, an exhaust fan used for cooling the radiator is arranged on the radiator, clamping rings are in threaded connection on the peripheral wall of the exhaust fan, a plurality of clamping plates are fixed on the peripheral wall of each clamping ring, clamping grooves are formed in the clamping plates, each clamping groove comprises a horizontal section, an entering section and a clamping section, the entering section is located at one end of the horizontal section, the clamping section is located at the other end of the horizontal section, and, the limiting rod is connected with the clamping groove in a sliding mode, and a clamping block is fixedly connected to one end, far away from the radiator, of the limiting rod.

By adopting the technical scheme, the arrangement of the exhaust fan is used for enhancing the airflow flow in the radiator, improving the heat dissipation effect of the radiator and prolonging the service life of the ceiling lamp;

the clamping ring is used for locking the exhaust fan on the radiator and exists as a matched part of the ceiling lamp;

the clamping groove comprises an entering section, a horizontal section and a clamping section, so that the path of the limiting rod sliding down from the clamping groove is changed to be more tortuous, the occurrence of the situation that the limiting rod slides down from the clamping groove is reduced, personnel rotate the suction fan to enable the suction fan to be locked in the clamping ring, the limiting rod slides into the clamping groove from the entering section of the clamping groove, and the limiting rod is clamped in the clamping section of the clamping groove through the horizontal section of the clamping groove, so that the installation of the suction fan is realized; when the suction fan is damaged and needs to be replaced, the limiting rod slides out of the clamping groove, and then the suction fan is rotated and taken down from the clamping ring, so that the detachable arrangement of the suction fan is realized, the replacement of the suction fan is convenient without the replacement of the clamping ring, the clamping ring can be repeatedly used, and the use cost is saved;

the clamping block is used for reducing the axial deviation of the clamping plate along the limiting rod, so that the shaking of the clamping plate is reduced, and the stability of the extraction fan fixed by the clamping ring is kept.

The utility model discloses further set up to: be equipped with the cushion that is used for reducing the rotation of exhaust fan to banks vibration influence between lamp plate and the radiator, the cushion is the silicon rubber that has added heat conduction filler.

By adopting the technical scheme, the silicone rubber added with the heat-conducting filler has good heat-conducting property, and can conduct heat generated by the lamp group to the radiator, so that the heat-radiating effect of the lamp group is improved; the silicon rubber also has a damping effect, and absorbs the vibration generated by the rotation of the exhaust fan, so that the vibration of the lamp bank is reduced, and the light ray vibration of the ceiling lamp is reduced.

The utility model discloses further set up to: the radiator is fixedly connected with a collecting ring used for collecting airflow, and one end of the collecting ring close to the exhaust fan is provided with a flaring.

Through adopting above-mentioned technical scheme, the collecting ring is fixed on the radiator, and the flaring setting of collecting ring is used for drawing in the effect in to the air current of suction fan suction, makes the amount of wind can concentrate on the radiator region, reduces the dispersion of the amount of wind, improves the amount of wind that flows through the radiator, improves the radiating effect of radiator.

The utility model discloses further set up to: the radiator comprises a radiating plate and a plurality of radiating fins fixed on the radiating plate, and the radiating fins are arranged in a spiral line.

Through adopting above-mentioned technical scheme, the fin that the helix set up makes the wind that blows into the fin evenly blow off around can following the radiator, then with the collector ring cooperation, under the guide effect of collector ring, from the flared end outflow of collector ring to form complete wind channel, make the flow of wind more smooth, accelerate with the heat transfer rate of fin, improve the radiating effect of fin.

The utility model discloses further set up to: and the light-passing board, the heat dissipation board and the lamp panel are all provided with detection holes for detecting the operation of the exhaust fan.

Through adopting above-mentioned technical scheme, the wind of suction fan suction loops through the inspection hole on radiator, lamp plate and the light-passing board, blows off from the inspection hole on the light-passing board, makes personnel can judge whether normal operating of suction fan through the air current that the impression flows to in time carry out the change or the maintenance of suction fan, guarantee the normal heat dissipation of ceiling lamp, reduce the condition emergence that the ceiling lamp damaged because of the high temperature.

The utility model discloses further set up to: the radiating plate is provided with radiating holes for directly cooling the lamp set.

Through adopting above-mentioned technical scheme, the setting up of louvre makes the air current that the extraction fan drive flows directly sweep the forced air cooling to the banks, reduces the temperature on banks surface fast, prolongs the working life of banks.

The utility model discloses further set up to: and a friction groove for preventing the limiting rod from sliding out of the clamping groove is formed in the inner wall of the horizontal section of the clamping groove.

Through adopting above-mentioned technical scheme, the friction force between setting up increase gag lever post and the joint groove horizontal segment inner wall of friction groove reduces the condition emergence of gag lever post roll-off joint groove under the condition of suction fan work.

The utility model discloses further set up to: and a protective net is fixedly connected to the detection hole of the light-transmitting plate.

Through adopting above-mentioned technical scheme, the setting of protection network reduces to leak from the inspection hole on the light-passing board of debris, reduces the debris and discharges the possibility that causes the injury to personnel.

The utility model discloses further set up to: and a filter screen is arranged at the inlet of the exhaust fan.

Through adopting above-mentioned technical scheme, the debris that get into from the extraction fan entry are reduced in setting up of filter screen, reduce the condition emergence that debris damaged the extraction fan rotating vane.

To sum up, the utility model discloses a beneficial technological effect does:

1. the arrangement of the exhaust fan is used for enhancing the airflow flow in the radiator, improving the radiating effect of the radiator and prolonging the service life of the ceiling lamp;

2. the clamping ring is used for locking the extraction fan on the radiator and exists as a matched part of the ceiling lamp, and the clamping block is used for reducing the axial deviation of the clamping plate along the limiting rod, reducing the shaking of the clamping plate and keeping the extraction fan fixed by the clamping ring stable;

3. the clamping groove comprises an entering section, a horizontal section and a clamping section, so that the path of the limiting rod sliding down from the clamping groove is changed to be more tortuous, the occurrence of the situation that the limiting rod slides down from the clamping groove is reduced, personnel rotate the suction fan to enable the suction fan to be locked in the clamping ring, the limiting rod slides into the clamping groove from the entering section of the clamping groove, and the limiting rod is clamped in the clamping section of the clamping groove through the horizontal section of the clamping groove, so that the installation of the suction fan is realized; when the extraction fan damages and needs to be changed, with the gag lever post roll-off from the joint groove, then rotate the extraction fan from the snap ring and take off, realize the dismantled setting of extraction fan, conveniently carry out the change of extraction fan and need not to carry out the change of snap ring, the snap ring can used repeatedly, practices thrift use cost.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic cross-sectional view of the present embodiment;

FIG. 3 is a schematic structural view of the snap groove;

fig. 4 is a schematic structural view of the heat sink.

In the figure, 1, a front cover; 2. a card slot; 3. installing a buckle; 4. a lamp shade; 5. a light-transmitting plate; 6. a lamp panel; 7. a lamp group; 8. a soft cushion; 9. a heat sink; 10. a heat dissipation plate; 11. a heat sink; 12. an exhaust fan; 13. a snap ring; 14. a clamping and connecting plate; 15. a clamping groove; 16. a friction groove; 17. a limiting rod; 18. a clamping block; 19. a collection ring; 20. a filter screen; 21. a detection hole; 22. heat dissipation holes; 23. a protective net; 24. entering a section; 25. a horizontal segment; 26. a clamping section.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the heat dissipation structure of the ceiling lamp comprises a front cover 1, two clamping grooves 2 are formed in the peripheral wall of the front cover 1, an installation buckle 3 is clamped in the clamping grooves 2, and the installation buckle 3 is used for installing the ceiling lamp on a ceiling.

A lampshade 4 is placed in the front cover 1, and the lampshade 4 and the front cover 1 are locked through two bolts.

Light-passing board 5 has been placed in the lamp shade 4, has still placed lamp plate 6 in the lamp shade 4, is fixed with three banks 7 on the lamp plate 6, and banks 7 are located the top of light-passing board 5.

As shown in fig. 1 and 2, a heat sink 9 is disposed above the lamp panel 6, and the heat sink 9 includes a heat dissipation plate 10 and heat dissipation fins 11 fixed to an upper end wall of the heat dissipation plate 10. The heat radiating plate 10 is screwed with the lamp housing 4.

An exhaust fan 12 is provided above the heat sink 11. The arrangement of the exhaust fan 12 is used for enhancing the air flow in the radiator 9, improving the heat dissipation effect and prolonging the service life of the ceiling lamp.

Fixedly connected with cushion 8 between lamp plate 6 and the heating panel 10, cushion 8 are silicon rubber, add in cushion 8 and have the heat conduction filler. It is good to have the silicon rubber thermal conductivity who has the heat conduction filler, can be with on the heat conduction radiator 9 that banks 7 produced to improve banks 7's radiating effect, silicon rubber also has the shock attenuation effect, rotates the vibration absorption that produces with exhaust fan 12, reduces banks 7's vibration, and the condition that reduces ceiling light shake takes place.

As shown in fig. 2 and 3, a clamping ring 13 is connected to the peripheral wall of the exhaust fan 12 in a threaded manner, two clamping plates 14 are fixedly connected to the peripheral wall of the clamping ring 13, clamping grooves 15 are formed in the side walls of the two clamping plates 14, the clamping grooves 15 are arranged in a zigzag manner, and the clamping grooves 15 are divided into three sections: an entry section 24, a horizontal section 25, a clamping section 26. The entry section 24 and the clamping section 26 are both vertically oriented. The friction groove 16 is formed in the inner wall of the horizontal section 25 of the clamping groove 15, friction force between the limiting rod 17 and the clamping groove 15 is increased due to the arrangement of the friction groove 16, and the situation that the limiting rod 17 slides out of the clamping groove 15 is reduced.

As shown in fig. 2 and 4, two limiting rods 17 are fixedly connected to the peripheral wall of the heat sink 11, and a latch 18 is fixedly connected to each end of the limiting rod 17 away from the heat sink 11. The limiting rod 17 is connected with the clamping groove 15 in a sliding mode. The clamping block 18 is used for reducing the deviation of the clamping plate 14 along the axial direction of the limiting rod 17, so that the pumping fan 12 locked by the clamping ring 13 is kept stable as much as possible, and the shaking of the clamping plate 14 is reduced.

As shown in fig. 2 and 3, the limiting rod 17 is disposed in clearance fit with the engaging groove 15, and the limiting rod 17 slides in from the entering section 24 of the engaging groove 15, slides through the horizontal section 25 of the engaging groove 15, and finally engages with the engaging section 26 of the engaging groove 15. The zigzag arrangement of the clamping groove 15 enables the limiting rod 17 to change zigzag from the path sliding down from the clamping groove 15, reduces the occurrence of the situation that the limiting rod 17 slides down from the clamping groove 15, and facilitates the installation and the disassembly of the clamping plate 14 on the radiating fin 11. When extraction fan 12 damages and needs to be changed, with gag lever post 17 roll-off from joint groove 15, then rotate extraction fan 12 from snap ring 13 and take off, realize the setting of dismantling of extraction fan 12, conveniently carry out extraction fan 12's change and need not to carry out snap ring 13's change, snap ring 13 can used repeatedly, practices thrift use cost, and snap ring 13 is used for locking extraction fan 12 on radiator 9, exists as the accessory of ceiling light.

As shown in fig. 1 and 2, the fins 11 are arranged in a spiral line. A collecting ring 19 is fixedly connected to the upper end wall of the heat dissipating plate 10, and one end of the collecting ring 19 near the suction fan 12 is flared. The collecting ring 19 is used for collecting the airflow driven by the suction fan 12, so that the air volume can be concentrated in the area of the radiator 9, the dispersion of the air volume is reduced, the air volume flowing through the radiator 9 is improved, and the heat dissipation effect of the radiator 9 is improved. The fin 11 that the helix set up makes the wind that blows into fin 11 evenly blow off around can following radiator 9, then with the cooperation of collecting ring 19, under the guide effect of collecting ring 19, flows from the flared end of collecting ring 19 to form complete wind channel, make the flow of wind more smooth, accelerate with the heat transfer rate of fin 11, improve the radiating effect.

A filter screen 20 is fixedly connected to the inlet of the exhaust fan 12. The arrangement of the filter screen 20 reduces the sundries entering from the inlet of the extraction fan 12 and reduces the damage of the sundries to the rotating blades of the extraction fan 12.

Light-passing board 5, all seted up inspection hole 21 on the central point of heating panel 10 and lamp plate 6 puts, the wind of suction fan 12 suction loops through radiator 9, inspection hole 21 on lamp plate 6 and the light-passing board 5, blow off from inspection hole 21 on light-passing board 5, make personnel can judge whether normal operating (some fan work sound is very little) of suction fan 12 through feeling the air current that flows, thereby in time carry out the change or the maintenance of suction fan 12, guarantee the normal heat dissipation of ceiling light, reduce the condition emergence that the ceiling light damaged because of the high temperature. A protective net 23 is fixedly connected to the detection hole 21 of the light-transmitting plate 5. The arrangement of the protective net 23 reduces the discharge of sundries from the detection holes 21 on the light-transmitting plate 5, and reduces the possibility of injury to personnel caused by the discharge of the sundries.

As shown in fig. 1 and 2, the heat dissipation plate 10 is provided with three heat dissipation holes 22, and the air drawn by the suction fan 12 directly blows and cools the lamp set 7 through the heat dissipation holes 22, so as to rapidly reduce the temperature on the surface of the lamp set 7, and perform heat dissipation and cooling of the lamp set 7 in cooperation with the heat sink 9.

The working process is as follows:

starting the air extracting fan 12 to enhance the air flow in the radiator 9;

when the suction fan 12 is damaged and needs to be replaced, the limiting rod 17 slides out of the clamping groove 15, the suction fan 12 is rotationally taken down from the clamping ring 13, and the disassembly is completed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a ceiling lamp heat radiation structure, includes protecgulum (1), be connected with radiator (9) on protecgulum (1), be equipped with light-passing board (5), lamp plate (6) and lamp shade (4) between radiator (9) and protecgulum (1), lamp plate (6) are attached on radiator (9), lamp plate (6) and light-passing board (5) are covered in lamp shade (4), be equipped with a plurality of banks (7) between lamp plate (6) and light-passing board (5), bolt fixed connection is passed through with protecgulum (1) in lamp shade (4), the both sides of protecgulum (1) all are provided with draw-in groove (2), be equipped with in draw-in groove (2) and install knot (3), its characterized in that: be equipped with on radiator (9) and be used for carrying out refrigerated extraction fan (12) to radiator (9), threaded connection has snap ring (13) on the perisporium of extraction fan (12), be fixed with a plurality of joint board (14) on the perisporium of snap ring (13), joint groove (15) have all been seted up on joint board (14), joint groove (15) include horizontal segment (25), be located entering section (24) of horizontal segment (25) one end, be located joint section (26) of the horizontal segment (25) other end, be equipped with gag lever post (17) that correspond with the joint groove on radiator (9), gag lever post (17) and joint groove (15) sliding connection, radiator (9)'s one end fixedly connected with fixture block (18) are kept away from in gag lever post (17).

2. The heat dissipating structure of a ceiling lamp according to claim 1, wherein: be equipped with between lamp plate (6) and radiator (9) and be used for reducing extract fan (12) and rotate cushion (8) to banks (7) vibration influence, cushion (8) are for adding the silicon rubber that has the heat conduction filler.

3. The heat dissipating structure of a ceiling lamp according to claim 1, wherein: the radiator (9) is fixedly connected with a collecting ring (19) used for collecting air flow, and one end, close to the exhaust fan (12), of the collecting ring (19) is arranged in a flaring mode.

4. The heat dissipating structure of a ceiling lamp according to claim 1, wherein: the radiator (9) comprises a radiating plate (10) and a plurality of radiating fins (11) fixed on the radiating plate (10), and the radiating fins (11) are arranged in a spiral line mode.

5. The heat dissipating structure of a ceiling lamp according to claim 4, wherein: and the light-transmitting plate (5), the heat-radiating plate (10) and the lamp panel (6) are all provided with detection holes (21) for detecting the operation of the exhaust fan (12).

6. The heat dissipating structure of a ceiling lamp according to claim 4, wherein: the heat dissipation plate (10) is provided with heat dissipation holes (22) for directly cooling the lamp group (7).

7. The heat dissipating structure of a ceiling lamp according to claim 1, wherein: and a friction groove (16) for preventing the limiting rod (17) from sliding out of the clamping groove (15) is formed in the inner wall of the horizontal section (25) of the clamping groove (15).

8. The heat dissipating structure of a ceiling lamp according to claim 1, wherein: and a protective net (23) is fixedly connected to the detection hole (21) of the light-transmitting plate (5).

9. The heat dissipating structure of a ceiling lamp according to claim 1, wherein: and a filter screen (20) is arranged at the inlet of the exhaust fan (12).