CN216047059U

CN216047059U - Light-adjustable LED lamp

Info

Publication number: CN216047059U
Application number: CN202122757168.5U
Authority: CN
Inventors: 何元武; 刘玉芳
Original assignee: Shanghai Yidehang Industrial Technology Co ltd
Current assignee: Shanghai Yidehang Industrial Technology Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-03-15
Anticipated expiration: 2031-11-11

Abstract

The utility model relates to a dimmable LED lamp, which comprises a lamp body, wherein a containing cavity is arranged in the lamp body, the containing cavity penetrates through a first end and a second end which are opposite to each other of the lamp body, a lampshade is connected with the first end of the lamp body, a thermosensitive piece is installed at the second end of the lamp body, and a heat dissipation assembly is installed at the second end of the lamp body and can be electrically connected with the thermosensitive piece.

Description

Light-adjustable LED lamp

Technical Field

The utility model relates to the technical field of LED lamps, in particular to a dimmable LED lamp.

Background

At present, the main problem of the LED filament lamp is the heat dissipation problem, and the heat dissipation difficulty is caused by the shape of the LED filament, so that the light attenuation of the LED filament lamp is accelerated, and the service life of the LED filament lamp is influenced.

The longer the service life of the LED lamp, the higher the temperature of the LED lamp, the more commonly the existing LED lamp is to be additionally provided with a heat dissipation device for heat dissipation, but the existing heat dissipation device cannot be changed according to the service life of the LED lamp, namely, the heat dissipation is adjusted according to the temperature of the LED lamp, so that the waste of power resources is easily caused.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

The present invention is directed to a dimmable LED lamp, so as to solve the problems mentioned in the background art.

Technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a LED lamp of can adjusting luminance, includes the lamp body, is equipped with in the lamp body and holds the chamber, holds the chamber and runs through the relative first end of lamp body and second end, and the lamp shade, the lamp shade is connected with the first end of lamp body, and temperature sensing spare, temperature sensing spare are installed at the lamp body second and are held, radiator unit, and radiator unit installs and hold at the lamp body second to can with temperature sensing spare electric connection, wherein, temperature sensing spare can be according to the temperature connection or the disconnection of lamp body and the circuit between the radiator unit.

Preferably, radiator unit includes the casing, the casing is installed at the lamp body second end, be equipped with one side open-ended holding tank in the casing, be equipped with in the holding tank and hold the arch, it is equipped with the contact to hold in the arch, heat-sensitive piece is installed in holding the arch, the cap is equipped with a plurality of air outlets, the cap can cover the casing opening, the fan, fan fixed mounting is outside holding the arch, and be located the air outlet below, fan and contact electric connection, the butt piece, the mobilizable installation of butt piece is in holding the arch, butt piece one end and heat-sensitive piece butt, the other end can with the contact butt.

Preferably, the lamp body second end is equipped with the butt arch, is equipped with the mounting hole that runs through itself on the casing, is equipped with on the cap to run through its butt hole itself, and lamp body second end accessible butt hole and mounting hole pass cap and casing, and the butt arch can with butt hole opening butt.

Preferably, the fan, the abutting piece and the heat sensitive piece are all provided in plurality and are circumferentially arranged in the accommodating groove.

Preferably, this LED lamp still includes the cooling tube, and the design of lamp body second end slope, the first end of box be equipped with hold the first through-hole of chamber switch-on, the box second end be equipped with hold the second through-hole of chamber switch-on, cooling tube fixed mounting holds the intracavity, cooling tube one end and first through-hole switch-on, the other end and second through-hole switch-on.

Preferably, the cooling tube is equipped with a plurality ofly, and first through-hole and second through-hole all are equipped with a plurality ofly, and the circumference is arranged at lamp body second end, and a plurality of cooling tubes correspond with a plurality of first through-holes and the cooperation of second through-hole.

Preferably, the LED lamp further comprises a connecting pipe, the connecting pipe is designed in a ring shape, and the connecting pipe is fixedly installed in the accommodating cavity and is connected to the plurality of radiating pipes.

Advantageous effects

Compared with the prior art, the LED lamp with the adjustable light is used in a mode that the second end of the lamp body is connected with the lamp holder to enable the LED lamp to be connected with an external circuit, the LED can be turned on or turned off through an external button at the moment, when the LED lamp is turned on, the temperature of the lamp body can be increased along with the increase of time, the heat emitted by the lamp body can be transmitted to the heat-sensitive piece to enable the heat-sensitive piece to expand so as to connect a circuit between the heat-sensitive piece and the heat dissipation assembly, the heat dissipation assembly can dissipate heat of the lamp body at the moment, when the LED lamp is turned off, the temperature of the lamp body can be reduced along with the increase of time, the heat transmitted by the lamp body to the heat-sensitive piece is reduced gradually, the heat-sensitive piece shrinks gradually, and the circuit between the heat-sensitive piece and the heat dissipation assembly is disconnected, in general, the LED lamp is provided with the heat-sensitive piece, so that the heat dissipation assembly can be turned on or turned off according to the temperature of the lamp body, when the LED lamp is turned off, the heat dissipation assembly can be started for a period of time under the action of the heat-sensitive piece, so that the cooling of the lamp body is accelerated, and the service life of the LED lamp is prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a first diagram illustrating a use state of an embodiment of the present invention;

FIG. 2 illustrates a cross-sectional view A-A of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 3 shows an enlarged view of portion B of FIG. 2 in accordance with an embodiment of the present invention;

FIG. 4 shows a schematic view of a partial part of an embodiment of the utility model;

fig. 5 shows an exploded view of a partial part of an embodiment of the utility model.

In the figure: 10 lamp body, 11 lamp shade, 12 heat-sensitive piece, 20 radiating component, 21 shell, 22 shell cover, 23 fan, 24 abutting piece, 30 accommodating bulge, 31 contact, 32 abutting bulge, 33 radiating pipe, 34 connecting pipe, 40 accommodating cavity, 41 accommodating groove, 42 air outlet, 43 mounting hole, 44 abutting hole, 45 first through hole and 46 second through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention discloses a dimmable LED lamp, including a lamp body 10, a containing cavity 40 is provided in the lamp body 10, the containing cavity 40 penetrates through a first end and a second end of the lamp body 10, a lampshade 11, the lampshade 11 is connected with the first end of the lamp body 10, a heat sensitive part 12, the heat sensitive part 12 is installed at the second end of the lamp body 10, a heat dissipation component 20, and the heat dissipation component 20 is installed at the second end of the lamp body 10 and can be electrically connected with the heat sensitive part 12, wherein the heat sensitive part 12 can be connected or disconnected with a circuit between the heat dissipation component 20 according to the temperature of the lamp body 10.

It should be noted that, the heat sensitive element 12 is made of a shape memory material, when the temperature rises, the heat sensitive element 12 expands to enable the circuit to be connected, at this time, the heat dissipation assembly 20 starts, when the temperature falls, the heat sensitive element 12 contracts to enable the circuit to be disconnected, at this time, the heat dissipation assembly 20 closes, the lampshade 11 and the first end of the lamp body 10 can be in threaded connection or clamped connection, in this embodiment, the clamping connection is preferred, the second end of the lamp body 10 can be in clamped connection or threaded connection with the lamp holder, the mode belongs to the prior art, and therefore, redundant description is omitted, the filament is located at the first end of the lamp body 10, and the attached drawing is not shown.

Based on the above scheme, the dimmable LED lamp is used by connecting the second end of the lamp body 10 with the lamp holder, so that the LED lamp is connected with an external circuit, at this time, the LED can be turned on or off by an external button, when the LED lamp is turned on, the temperature of the lamp body 10 increases with time, the heat emitted by the lamp body 10 can be transferred to the heat-sensitive member 12, so that the heat-sensitive member 12 expands, thereby connecting the circuit between the heat-sensitive member 12 and the heat dissipation assembly 20, at this time, the heat dissipation assembly 20 can dissipate heat from the lamp body 10, when the LED lamp is turned off, the temperature of the lamp body 10 decreases with time, the heat transferred from the lamp body 10 to the heat-sensitive member 12 gradually decreases, the heat-sensitive member 12 gradually contracts, thereby disconnecting the circuit between the heat-sensitive member 12 and the heat dissipation assembly 20, and in general, the LED lamp is provided with the heat-sensitive member 12, so that the heat dissipation assembly 20 can be turned on or turned off according to the temperature of the lamp body 10, when the heat dissipation assembly 20 is started, the lamp body 10 is required to reach a certain temperature, so that the waste of power resources is avoided, the heat dissipation assembly 20 can be efficiently used for dissipating heat of the lamp body 10, and when the LED lamp is turned off, the heat dissipation assembly 20 can be started for a period of time under the action of the heat sensitive part 12, so that the cooling of the lamp body 10 is accelerated, and the service life of the LED lamp is prolonged.

Referring to fig. 3 and 5, the heat dissipating assembly 20 includes a housing 21, the housing 21 is installed at the second end of the lamp body 10, an accommodating groove 41 with an opening on one side is formed in the housing 21, an accommodating protrusion 30 is formed in the accommodating groove 41, a contact 31 is formed in the accommodating protrusion 30, the thermal sensitive element 12 is installed in the accommodating protrusion 30, the housing cover 22 is provided with a plurality of air outlets 42, the housing cover 22 can cover the opening of the housing 21, the fan 23 is fixedly installed outside the accommodating protrusion 30 and located below the air outlets 42, the fan 23 is electrically connected with the contact 31, the abutting element 24 is installed in the accommodating protrusion 30, one end of the abutting element 24 abuts against the thermal sensitive element 12, and the other end of the abutting element can abut against the contact 31.

Specifically, contact 31 and outside circuit switch-on, fan 23 is located air outlet 42 below, when lamp body 10 temperature risees, heat-sensitive piece 12 inflation, order to butt piece 24 toward being close to contact 31 direction and remove, thereby make the circuit switch-on between contact 31 and the fan 23, and then make fan 23 start, dispel the heat to lamp body 10 through wind-force, improve the life of this LED lamp, when lamp body 10 temperature descends, heat-sensitive piece 12 contracts gradually, order to butt piece 24 toward keeping away from contact 31 direction and remove, thereby make the circuit disconnection between contact 31 and the fan 23, and then make fan 23 close, avoid the waste of power resource.

Referring to fig. 2, the second end of the lamp body 10 is provided with the abutting protrusion 32, the housing 21 is provided with a mounting hole 43 penetrating through the second end, the housing cover 22 is provided with an abutting hole 44 penetrating through the housing cover, the second end of the lamp body 10 can penetrate through the housing cover 22 and the housing 21 through the abutting hole 44 and the mounting hole 43, and the abutting protrusion 32 can abut against the opening of the abutting hole 44.

Specifically, the second end of the lamp body 10 penetrates through the shell cover 22 and the shell body 21 to be connected with the lamp holder, and the abutting pieces 24 are arranged to be convex, so that when the lamp body 10 is connected with the lamp holder, the heat dissipation assembly 20 keeps a certain distance from the heat generating lamp body 10, and the phenomenon that the lamp body 10 is damaged due to the fact that the lamp body 10 is in overhigh temperature and contacts with the shell cover 21 and the shell cover 22 is avoided.

Further, the fan 23, the abutting member 24 and the heat sensitive member 12 are provided in plurality and arranged circumferentially in the housing groove 41.

Specifically, accommodate protruding 30 and contact 31 and correspond a plurality of fans 23, butt 24 and the setting of heat-sensitive piece 12, in this embodiment, fan 23, butt 24 and heat-sensitive piece 12 all are equipped with four, and are located four angles of installed part to make this LED lamp can monitor the heat of lamp body 10 multi-angle, the multi-angle dispels the heat to lamp body 10 simultaneously, with higher speed to the radiating efficiency of lamp body 10.

Referring to fig. 4, the LED lamp further includes a heat dissipating tube 33, the second end of the lamp body 10 is designed to be inclined, the first end of the housing is provided with a first through hole 45 communicated with the accommodating cavity 40, the second end of the housing is provided with a second through hole 46 communicated with the accommodating cavity 40, the heat dissipating tube 33 is fixedly installed in the accommodating cavity 40, one end of the heat dissipating tube 33 is communicated with the first through hole 45, and the other end is communicated with the second through hole 46.

It is specific, the sealed design of cooling tube 33 both ends and first through-hole 45 and second through-hole 46 junction, avoid external dust to get into and hold the chamber 40 in to the filament cause the pollution, influence the use of this LED lamp, when fan 23 starts, the wind-force of production can get into to holding in the chamber 40 through first through-hole 45 and cooling tube 33, and discharge through second through-hole 46, wind-force is when the cooling tube 33, the heat that the filament produced in the chamber 40 will be held is taken away, thereby improve the radiating efficiency of this LED lamp.

In addition, in order to ensure that the entire lamp body 10 radiates heat uniformly, the heat dissipating tubes 33 are provided in plural, the first through holes 45 and the second through holes 46 are provided in plural, and are circumferentially arranged at the second end of the lamp body 10, and the heat dissipating tubes 33 are correspondingly matched with the first through holes 45 and the second through holes 46, in this embodiment, the heat dissipating tubes 33 are provided in four, and are located above the four fans 23.

Further, the LED lamp further includes a connection pipe 34, the connection pipe 34 is annularly configured, and the connection pipe 34 is fixedly installed in the accommodation chamber 40 and is communicated with the plurality of radiating pipes 33.

Specifically, the connecting pipe 34 is connected with the four radiating pipes 33, and by arranging the connecting pipe 34, the wind power can flow circularly in the accommodating cavity 40, the flow area of the wind power in the accommodating cavity 40 is increased, and the radiating efficiency of the LED lamp is further improved.

It will also be appreciated that although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dimmable LED lamp, comprising

The lamp body (10), an accommodating cavity (40) is arranged in the lamp body (10), and the accommodating cavity (40) penetrates through a first end and a second end of the lamp body (10) which are opposite;

the lamp shade (11), the said lamp shade (11) is connected with first end of the said lamp body (10);

the heat-sensitive piece (12), the said heat-sensitive piece (12) is installed in the second end of the said lamp body (10);

the heat dissipation component (20), the said heat dissipation component (20) is installed in the second end of the said lamp body (10), and can be connected with electrical behavior of the said heat-sensitive part (12);

wherein, the heat-sensitive piece (12) can be connected or disconnected with the heat dissipation component (20) according to the temperature of the lamp body (10).

2. A dimmable LED lamp according to claim 1, wherein said heat sink assembly (20) comprises

The lamp body (10) is provided with a first end and a second end, the first end is provided with a shell (21), the shell (21) is arranged at the second end of the lamp body (10), an accommodating groove (41) with one side opened is formed in the shell (21), an accommodating bulge (30) is formed in the accommodating groove (41), a contact (31) is formed in the accommodating bulge (30), and the heat-sensitive piece (12) is arranged in the accommodating bulge (30);

the shell cover (22), the shell cover (22) is equipped with a plurality of air outlets (42), the shell cover (22) can cover the opening of the shell (21);

the fan (23) is fixedly arranged outside the accommodating bulge (30) and positioned below the air outlet (42), and the fan (23) is electrically connected with the contact (31);

the abutting piece (24) is movably installed in the accommodating protrusion (30), one end of the abutting piece (24) abuts against the heat-sensitive piece (12), and the other end of the abutting piece (24) can abut against the contact (31).

3. A dimmable LED lamp according to claim 2, wherein the second end of the lamp body (10) is provided with an abutting protrusion (32), the housing (21) is provided with a mounting hole (43) penetrating through itself, the housing cover (22) is provided with an abutting hole (44) penetrating through itself, the second end of the lamp body (10) can penetrate through the housing cover (22) and the housing (21) through the abutting hole (44) and the mounting hole (43), and the abutting protrusion (32) can abut against the opening of the abutting hole (44).

4. A dimmable LED lamp according to claim 2, wherein said fan (23), said abutment member (24) and said heat sensitive member (12) are provided in plurality and circumferentially arranged in said receiving groove (41).

5. A dimmable LED lamp according to claim 1, further comprising a heat dissipating tube (33), wherein the second end of the lamp body (10) is designed to be inclined, the first end of the box body is provided with a first through hole (45) communicated with the accommodating cavity (40), the second end of the box body is provided with a second through hole (46) communicated with the accommodating cavity (40), the heat dissipating tube (33) is fixedly installed in the accommodating cavity (40), one end of the heat dissipating tube (33) is communicated with the first through hole (45), and the other end is communicated with the second through hole (46).

6. A dimmable LED lamp according to claim 5, wherein said heat dissipating tube (33) is provided in plurality, said first through hole (45) and said second through hole (46) are provided in plurality and circumferentially arranged at said second end of said lamp body (10), and said heat dissipating tubes (33) are correspondingly fitted with said first through holes (45) and said second through holes (46).

7. A dimmable LED lamp as claimed in claim 6, further comprising a connecting tube (34), wherein said connecting tube (34) is of annular design, and said connecting tube (34) is fixedly installed in said containing cavity (40) and is connected to a plurality of said radiating tubes (33).