CN220135416U

CN220135416U - Tube lamp

Info

Publication number: CN220135416U
Application number: CN202321593318.6U
Authority: CN
Inventors: 黄荣丰; 陈志曼; 庄培钦
Original assignee: Guangzhou Yajiang Photoelectric Equipment Co Ltd
Current assignee: Guangzhou Yajiang Photoelectric Equipment Co Ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-05
Anticipated expiration: 2033-06-20

Abstract

The utility model relates to the technical field of heat dissipation of down lamps, and discloses a down lamp which comprises a heat dissipation main body, a lamp bead plate, a reflecting component, a front cover and a rear cover; the heat dissipation main body comprises a mounting part, a shell and a plurality of heat dissipation fins, wherein the shell is cylindrical and is circumferentially arranged on the periphery of the mounting part at intervals, the heat dissipation fins are connected with the mounting part and the shell, and the plurality of heat dissipation fins are circumferentially arranged on the periphery of the mounting part at intervals; the lamp pearl board install in the preceding terminal surface of installation department, the reflector assembly cover is located the periphery of lamp pearl board, just have ventilation clearance between the periphery of reflector assembly with the inner peripheral wall of shell, the protecgulum butt in the front end of reflector assembly, and with the shell links to each other, be equipped with on the protecgulum with ventilation channel of ventilation clearance intercommunication, the back lid be the fretwork form, and install in the rear end of shell. The utility model can timely radiate the heat on the down lamp through the matching of the radiating fins and the ventilation channel.

Description

Tube lamp

Technical Field

The utility model relates to the technical field of down lamp equipment, in particular to a down lamp.

Background

The down lamp is a light downward-projecting type lighting lamp embedded in the ceiling, and the hidden lamp embedded in the ceiling is characterized in that all light is projected downwards and belongs to direct light distribution. Different reflectors, lenses, shutters, bulbs can be used to achieve different light effects. The down lamp does not occupy space, soft atmosphere of the space can be increased, and if a warm feeling is to be created, a plurality of down lamps can be tried to be installed, so that the space pressing feeling is reduced. It is commonly used in hotels, families and cafes.

At present, the existing high-power down lamp has certain defects, when the high-power down lamp runs for a long time, the radiating effect of the high-power down lamp is poor, heat on the high-power down lamp cannot be timely radiated, the conditions of power reduction and illumination reduction occur, the down lamp body is easy to damage, and the service life of the down lamp is reduced.

Disclosure of Invention

The purpose of the utility model is that: when solving high-power down lamp long-time operation, the heat on the down lamp can't in time dispel, receives the harm to the down lamp body, reduces the life of down lamp.

In order to achieve the above object, the present utility model provides a down lamp, which comprises a heat dissipating main body, a bead plate, a reflecting component, a front cover and a rear cover, wherein the heat dissipating main body is made of a heat conducting material, the heat dissipating main body comprises a mounting portion, a housing and a plurality of heat dissipating fins, the housing is cylindrical and is circumferentially enclosed at intervals on the periphery of the mounting portion, the heat dissipating fins are connected with the mounting portion and the housing, the plurality of heat dissipating fins are circumferentially and circumferentially arranged at intervals on the periphery of the mounting portion, the bead plate is mounted on the front end face of the mounting portion, the reflecting component is covered on the periphery of the bead plate, a first ventilation gap is arranged between the periphery of the reflecting component and the inner peripheral wall of the housing, the front cover is abutted to the front end of the reflecting component and is connected with the housing, and the front cover is provided with a ventilation channel communicated with the first ventilation gap, and the rear cover is hollowed-out and is mounted on the rear end of the housing.

Further, the light reflecting assembly comprises a light reflecting bowl and a light transmitting sheet, the rear end of the light reflecting bowl is mounted on the lamp bead plate, and the light transmitting sheet covers the front end of the light reflecting bowl.

Further, a plurality of clamping parts are arranged at intervals on the outer periphery of the front end of the reflecting bowl, a plurality of clamping grooves corresponding to the clamping parts one by one are formed on the inner periphery of the front end of the shell, and the clamping parts are matched and inserted into the clamping grooves from front to back.

Further, the front cover comprises a cover plate and a pressing ring, the pressing ring is pressed on the front end of the light-transmitting sheet, the cover plate is arranged at the front end of the pressing ring and is connected with the shell, and a light-transmitting opening is formed in the position, opposite to the light-transmitting sheet, of the cover plate; the pressure ring is provided with a vent, and the vent is communicated with the light-transmitting opening to limit and form the ventilation channel.

Further, the clamping ring comprises a ring body and a flange, the flange is arranged on the periphery of the front end of the ring body, the ring body is pressed on the front end of the light-transmitting sheet, at least part of the ring body protrudes out of the periphery of the light-transmitting sheet, a ventilation groove is formed in the periphery of the light-transmitting sheet, the ventilation opening is communicated with the light-transmitting opening to limit the ventilation channel, the cover plate comprises a plate body and a connecting part arranged at the rear end of the plate body, the cover plate is connected with the shell through the connecting part, the connecting part is surrounded on the periphery of the clamping ring, the plate body is bonded on the front end of the clamping ring, a second ventilation gap is formed between the front end face of the ring body and the rear end face of the plate body, and the second ventilation gap is communicated with the ventilation groove to limit the ventilation opening.

Further, a plurality of ventilation grooves are formed in the ring body at intervals in the circumferential direction.

Further, the front end of the reflecting bowl is provided with an annular positioning groove along the inner edge of the reflecting bowl, and the outer edge of the light-transmitting sheet is accommodated in the annular positioning groove.

Further, the front ends of the shell and the plurality of radiating fins are protruded out of the front end of the mounting part, the radiating fins protruded out of the front end of the mounting part are enclosed together to form a mounting groove, and the light reflecting component is arranged in the mounting groove.

Further, the rear ends of the shell and the plurality of radiating fins are protruded out of the rear end of the mounting part.

Further, the mounting portion, the housing, and the plurality of heat dissipation fins are integrally formed.

Compared with the prior art, the down lamp provided by the embodiment of the utility model has the beneficial effects that: through establishing a plurality of heat radiation fins at installation department periphery, utilize the heat can to the lower characteristic of one side transmission of temperature, on the heat transfer of lamp pearl board with installation department front end face arrives a plurality of heat radiation fins, ventilation channel and the back lid of fretwork form on the rethread protecgulum mutually support, utilize the air convection, take out heat on the heat radiation fins, the heat that produces on the lamp pearl board of messenger's down lamp during operation can in time dispel, guaranteed down lamp long-time operation under, can not appear reducing power and the condition of illumination.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is a partial enlarged view of an embodiment of the present utility model.

Fig. 3 is a partial cross-sectional view of an embodiment of the present utility model.

Fig. 4 is a front cross-sectional view of an embodiment of the present utility model.

Fig. 5 is a cross-sectional view of an embodiment of the present utility model.

In the figure, 10, a heat dissipating body; 11. a mounting part; 12. a housing; 121. a clamping groove; 13. a heat radiation fin; 14. a mounting groove; 20. a lamp bead plate; 30. a light reflecting component; 31. a reflective bowl; 311. a clamping part; 312. an annular positioning groove; 32. a light transmitting sheet; 40. a front cover; 41. a cover plate; 411. a light transmission port; 42. a compression ring; 421. a ring body; 4211. a ventilation groove; 422. a flange; 44. a vent; 50. a rear cover; 60. a first ventilation gap; 70. and a second ventilation gap.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. in the present utility model are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-4, a down lamp according to a preferred embodiment of the present utility model includes a heat dissipation main body 10, a bead plate 20, a light reflection assembly 30, a front cover 40 and a rear cover 50, where the heat dissipation main body 10 is made of a heat conducting material, the heat dissipation main body 10 includes a mounting portion 11, a housing 12 and a plurality of heat dissipation fins 13, the housing 12 is cylindrical and surrounds the periphery of the mounting portion 11 at intervals, the heat dissipation fins 13 are connected to the mounting portion 11 and the housing 12, the plurality of heat dissipation fins 13 are circumferentially spaced from the periphery of the mounting portion 11, the bead plate 20 is mounted on the front end surface of the mounting portion 11, the light reflection assembly 30 is covered on the periphery of the bead plate 20, a first gap 60 is provided between the periphery of the light reflection assembly 30 and the inner peripheral wall of the housing 12, the front cover 40 abuts against the front end of the light reflection assembly 30 and is connected to the housing 12, the front cover 40 is provided with a ventilation channel which is connected to the first gap 60, and the rear cover 50 is hollow and is mounted on the rear ventilation channel which is provided.

Based on the above technical scheme, be equipped with installation department 11 and a plurality of fin 13 in the radiating body 10 of the device, lamp pearl board 20 installs in the front end of installation department 11, and a plurality of fin 13 circumference interval is located the periphery of installation department 11, after the down lamp is long-time to operate, lamp pearl board 20 can produce a large amount of heats, heat is direct conduction to radiating body 10, and owing to be equipped with ventilation channel on the protecgulum 40, reflection of light subassembly 30 periphery with have first ventilation gap 60 between the inner peripheral wall of shell 12, each fin 13 is circumference interval setting, and back lid 50 is the fretwork form, and ventilation channel, first ventilation interval, ventilation interval between fin 13 and the back lid 50 of fretwork are linked together in proper order, can realize the front and back air convection of down lamp to take away the heat on the radiating body 10, play better radiating effect.

As some embodiments of the present utility model, the light reflecting assembly 30 includes a light reflecting bowl 31 and a light transmitting sheet 32, wherein the rear end of the light reflecting bowl 31 is mounted on the light bulb board 20, the light transmitting sheet 32 covers the front end of the light reflecting bowl 31, the light reflecting bowl 31 can concentrate the light scattered by the light bulb board 20 in the periphery in one direction after reflection, and the light is irradiated through the light transmitting sheet 32, thereby achieving the function of light condensation.

As some embodiments of the present utility model, the outer periphery of the front end of the reflector 31 is provided with a plurality of clamping portions 311 at intervals, the inner periphery of the front end of the housing 12 is provided with a plurality of clamping grooves 121 corresponding to the clamping portions 311 one by one, the clamping portions 311 are inserted into the clamping grooves 121 in a front-to-back fit manner, the reflector 31 is inserted into the front end of the housing 12 through the clamping portions 311, so that the reflector 31 can be fixed in an overhead manner, a ventilation gap is reserved between the reflector 31 and the housing 12, and air ventilation is facilitated.

As some embodiments of the present utility model, the front cover 40 includes a cover 41 and a pressing ring 42, the pressing ring 42 is pressed on the front end of the transparent sheet 32, the cover 41 is disposed on the front end of the pressing ring 42 and is connected to the housing 12, and a light-transmitting opening 411 is formed on the cover 41 at a position opposite to the transparent sheet 32; the vent 44 is formed in the pressure ring 42, the vent 44 is communicated with the light-transmitting opening 411 to define the ventilation channel, the cover plate 41 and the pressure ring 42 fix the light-transmitting sheet 32, and the light-transmitting opening 411 formed in the cover plate 41 and the vent 44 formed in the pressure ring 42 are used for ventilation, so that the vent 411 is simultaneously used for ventilation, holes or grooves for ventilation are prevented from being formed in the cover plate 41, and the appearance of the down lamp is guaranteed.

As some embodiments of the present utility model, the pressure ring 42 includes a ring body 421 and a flange 422, the flange 422 is disposed on the outer periphery of the front end of the ring body 421, the ring body 421 is pressed against the front end of the light-transmitting sheet 32 and at least partially protrudes out of the outer periphery of the light-transmitting sheet 32, the ring body 421 protrudes out of the outer periphery of the light-transmitting sheet 32 and is provided with a ventilation slot 4211, the ventilation opening 44 is communicated with the light-transmitting opening 411 to define the ventilation channel, the cover plate 41 includes a plate body and a connection portion disposed at the rear end of the plate body, the cover plate 41 is connected with the housing 12 through the connection portion, the connection portion is enclosed on the outer periphery of the pressure ring 42, the plate body is adhered to the front end of the pressure ring 42, a second ventilation gap 70 is defined between the front end face of the ring body 421 and the rear end face of the plate body 4211, the second ventilation gap 4211 is communicated with the ring body 4211 to define the ventilation opening 44, the ventilation opening 44 is defined by the protruding out of the light-transmitting sheet 421 in the outer periphery of the light-transmitting sheet 32, and the ventilation slot 70 is secured by the complex ventilation structure of the air vent opening 40.

As some embodiments of the present utility model, the ring 421 is provided with a plurality of ventilation slots 4211 circumferentially spaced apart, which increases the area of the ventilation slots 4211 on the ring 421 and improves the heat dissipation effect.

As some embodiments of the present utility model, the front end of the reflector 31 is provided with an annular positioning groove 312 along the inner edge thereof, the outer edge of the light-transmitting sheet 32 is accommodated in the annular positioning groove 312, and the light-transmitting sheet 32 is tightly attached to the reflector 31 through the annular positioning groove 312, so that the installation of the light-transmitting sheet 32 is facilitated, and the sealing of the reflector 31 is ensured.

As some embodiments of the present utility model, the front ends of the housing 12 and the plurality of heat dissipation fins 13 are protruded from the front end of the mounting portion 11, and the heat dissipation fins 13 protruded from the front end of the mounting portion 11 are enclosed together to form a mounting groove 14, so that the contact area is increased by directly contacting the mounting portion 11 with the heat dissipation fins 13, and heat is timely transferred to the heat dissipation fins 13 when contacting, thereby improving the heat dissipation effect.

As some embodiments of the present utility model, the rear ends of the housing 12 and the plurality of heat dissipation fins 13 are protruded from the rear end of the mounting portion 11, and the heat dissipation fins 13 are protruded, so that the heat dissipation effect of the heat dissipation fins 13 is maximized in a limited space.

As some embodiments of the present utility model, the mounting portion 11, the housing 12 and the plurality of heat dissipation fins 13 are integrally formed, so that the use of a finished product is saved and the mass production of the device is realized.

In summary, the embodiment of the utility model provides a down lamp, which is characterized in that the inside of the radiating main body 10 of the device is provided with a mounting part 11 and a plurality of radiating fins 13, the bead plate 20 is mounted at the front end of the mounting part 11, and the plurality of radiating fins 13 are circumferentially arranged at intervals on the periphery of the mounting part 11, when the down lamp runs for a long time, the bead plate 20 can generate a large amount of heat, the heat is directly conducted to the radiating main body 10, and because the front cover 40 is provided with a ventilation channel, the periphery of the reflecting component 30 and the inner peripheral wall of the shell 12 are provided with a first ventilation gap 60, the radiating fins 13 are circumferentially arranged at intervals, the rear cover 50 is hollowed out, the ventilation channel, the first ventilation interval, the ventilation interval between the radiating fins 13 and the hollowed-out rear cover 50 are sequentially communicated, so that the front and rear air convection of the down lamp can be realized, the down lamp can not generate power reduction and the condition of the down lamp can be realized under the long-time running, the down lamp can be timely radiated out through the heat in the transmission and the ventilation, the down lamp body can not be damaged, and the service life of the down lamp can be prolonged.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. A down lamp, comprising: the LED lamp comprises a radiating main body, a lamp bead plate, a reflecting component, a front cover and a rear cover;

the heat dissipation main body is made of a heat conduction material and comprises a mounting part, a shell and a plurality of heat dissipation fins, wherein the shell is cylindrical and is circumferentially arranged on the periphery of the mounting part at intervals, the heat dissipation fins are connected with the mounting part and the shell, and the plurality of heat dissipation fins are circumferentially arranged on the periphery of the mounting part at intervals;

the lamp bead plate install in the preceding terminal surface of installation department, the reflector assembly cover is located the periphery of lamp bead plate, just have first ventilation clearance between the periphery of reflector assembly and the inner peripheral wall of shell, the protecgulum butt in the front end of reflector assembly, and with the shell links to each other, be equipped with on the protecgulum with the ventilation channel of first ventilation clearance intercommunication, the back lid is the fretwork form, and install in the rear end of shell.

2. A down lamp as defined in claim 1, wherein: the light reflecting assembly comprises a light reflecting bowl and a light transmitting sheet, the rear end of the light reflecting bowl is arranged on the lamp bead plate, and the light transmitting sheet covers the front end of the light reflecting bowl.

3. A down lamp as defined in claim 2, wherein: the front end periphery interval of reflector is equipped with a plurality of joint portions, the front end inner periphery of shell is equipped with a plurality of and each joint portion one-to-one's draw-in groove, joint portion is from front to back cooperation is inserted and is located in the draw-in groove.

4. A down lamp as defined in claim 2, wherein: the front cover comprises a cover plate and a pressing ring, the pressing ring is pressed on the front end of the light-transmitting sheet, the cover plate is arranged at the front end of the pressing ring and is connected with the shell, and a light-transmitting opening is formed in the position, opposite to the light-transmitting sheet, of the cover plate; the pressure ring is provided with a vent, and the vent is communicated with the light-transmitting opening to limit and form the ventilation channel.

5. A down lamp as defined in claim 4, wherein: the compression ring comprises a ring body and a flange, the flange is arranged on the periphery of the front end of the ring body, the ring body is pressed on the front end of the light-transmitting sheet and at least partially protrudes out of the periphery of the light-transmitting sheet, a ventilation groove is formed in the part, protruding out of the periphery of the light-transmitting sheet, of the ring body, and the ventilation opening is communicated with the light-transmitting opening to limit the ventilation channel;

the cover plate comprises a plate body and a connecting part arranged at the rear end of the plate body, the cover plate is connected with the shell through the connecting part, the connecting part is enclosed on the periphery of the compression ring, the plate body is adhered to the front end of the compression ring, a second ventilation gap is defined between the front end face of the ring body and the rear end face of the plate body, and the second ventilation gap is communicated with the ventilation groove to define a ventilation opening.

6. A down lamp as defined in claim 5, wherein: a plurality of ventilation grooves are formed in the ring body at intervals in the circumferential direction.

7. A down lamp as defined in claim 5, wherein: the front end of the reflecting bowl is provided with an annular positioning groove along the inner edge of the reflecting bowl, and the outer edge of the light-transmitting sheet is accommodated in the annular positioning groove.

8. A down lamp as defined in claim 1, wherein: the front ends of the shell and the plurality of radiating fins are protruded out of the front end of the mounting part, the radiating fins protruded out of the front end of the mounting part are enclosed together to form a mounting groove, and the light reflecting component is arranged in the mounting groove.

9. A down lamp as defined in claim 1, wherein: the rear ends of the shell and the plurality of radiating fins are protruded out of the rear end of the mounting part.

10. A down lamp as defined in claim 1, wherein: the mounting part, the shell and the plurality of radiating fins are integrally formed.