CN109611754B

CN109611754B - LED ceiling lamp with built-in driving power supply

Info

Publication number: CN109611754B
Application number: CN201910129203.3A
Authority: CN
Inventors: 刘冰; 吴成恩; 吴雪
Original assignee: Bengbu Sunshine Electronic Technology Co ltd
Current assignee: Bengbu Sunshine Electronic Technology Co ltd
Priority date: 2019-02-21
Filing date: 2019-02-21
Publication date: 2021-03-02
Anticipated expiration: 2039-02-21
Also published as: CN109611754A

Abstract

The invention discloses a driving power supply built-in LED ceiling lamp, which comprises a lamp shade and a lamp holder fixed at one end of the lamp shade, wherein the lamp shade is formed by assembling two half covers, a driving power supply is built in the lamp holder, a lamp body is built in the lamp shade, a plurality of LED lamp beads are uniformly distributed on the lamp body, and the lamp holder and the LED lamp beads are electrically connected with the driving power supply; the lamp body is in a cage-shaped structure. This LED ceiling lamp separates power and LED lamp pearl, avoids the two work to produce the heat gathering to produce the protection to LED lamp pearl overheated work, improve the life of the inside components and parts of LED lamp.

Description

LED ceiling lamp with built-in driving power supply

Technical Field

The invention relates to the technical field of LEDs, in particular to an LED ceiling lamp with a built-in driving power supply.

Background

The LED energy-saving lamp adopts a high-brightness white light-emitting diode light-emitting source, and has the advantages of high lighting effect, low power consumption, long service life, easy control, no maintenance, safety and environmental protection; the LED light source is a new generation solid cold light source, has soft and bright light color, rich and colorful property, low loss and low energy consumption, is green and environment-friendly, and is suitable for long-time illumination of families, markets, banks, hospitals, hotels and restaurants and other various public places. The power of LED lamp is built-in the lamp, and the LED lamp can produce the heat when functioning, consequently will rationally control its temperature when in actual use, avoids the temperature to produce the influence to LED's life-span, avoids producing the heat gathering to the power simultaneously, leads to the life-span of power to receive the influence.

Disclosure of Invention

Aiming at the technical defects, the invention aims to provide the LED ceiling lamp with the built-in driving power supply, which separates the power supply from the LED lamp beads, avoids the heat accumulation generated by the work of the power supply and the LED lamp beads, protects the LED lamp beads from overheating work, and prolongs the service life of internal components of the LED lamp.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides a driving power supply built-in LED ceiling lamp which comprises a lamp shade and a lamp holder fixed at one end of the lamp shade, wherein the lamp shade is formed by assembling two half covers, a driving power supply is built in the lamp holder, a lamp body is built in the lamp shade, a plurality of LED lamp beads are uniformly distributed on the lamp body, and the lamp holder and the LED lamp beads are electrically connected with the driving power supply; the lamp body is in a cage-shaped structure.

Preferably, the lamp body comprises a female seat fixed in the lampshade and a male seat buckled on the female seat; the female seat and the male seat are respectively provided with notches which are the same in quantity and extend along the bus direction, the notches are the same in structure and are circumferentially and uniformly distributed on the corresponding female seat and the corresponding male seat, the notches divide the outer walls of the corresponding female seat and the corresponding male seat into a plurality of folding pieces to form the cage-shaped structure, and the LED lamp beads are fixed on the folding pieces.

Preferably, the inner wall of the end portion of the folded piece formed on the female seat is fixed with a first guide block, the outer wall of the end portion of the folded piece formed on the male seat is fixed with a second guide block, each first guide block is electrically connected with the LED lamp bead on the folded piece corresponding to the female seat and the live wire output end of the driving power supply in sequence, each second guide block is electrically connected with the LED lamp bead on the folded piece corresponding to the male seat and the null wire output end of the driving power supply in sequence, when the male seat is inserted into the female seat and is buckled together, the first guide blocks and the corresponding second guide blocks are abutted together, and the folded piece is deformed.

Preferably, the female seat and the male seat are both made of elastic insulating plastics, bimetallic strips are arranged in folding pieces formed on the female seat and the male seat, and the bending directions of the bimetallic strips in the female seat and the bimetallic strips in the male seat after being heated are opposite.

Preferably, a guide cylinder is fixedly arranged at the central position of the female seat and the central position of the male seat; one end of the guide cylinder extends out of the tip ends of the corresponding female seat and the corresponding male seat; the guide cylinder on the female seat is electrically connected with the live wire output end of the driving power supply, and the guide cylinder on the male seat is electrically connected with the zero line output end of the driving power supply; the LED lamp beads on the female seat are electrically connected with the guide tube and the first guide block on the female seat through wires, and the LED lamp beads on the male seat are electrically connected with the guide tube and the second guide block on the male seat through wires.

Preferably, an end portion, away from the female seat, of the guide tube on the female seat is fixed with an insulating positioning column, an end portion, away from the male seat, of the guide tube on the male seat is provided with a positioning hole, the positioning column is in clearance fit with the positioning hole, when the female seat and the male seat are fastened together, the positioning column is inserted into the positioning hole, and at least a part of the positioning column is located outside the positioning hole.

Preferably, the positioning column and the positioning hole have the same cross section and are regular polygons.

Preferably, the outer contour of the lamp body is ellipsoidal.

Preferably, an external thread is arranged on one side, away from the lampshade, of the lamp holder, and the driving power supply is arranged inside the other side of the lamp holder.

Preferably, the lampshade is made of heat-conducting plastic; and one side of the lamp cap, which is provided with the driving power supply, is made of heat-conducting plastic.

The invention has the beneficial effects that:

1. according to the LED lamp bulb and the driving power supply, the LED lamp bulb and the driving power supply are arranged separately, so that the heat is prevented from being collected and influenced, and the service lives of the LED lamp bulb and the driving power supply are prolonged;

2. according to the LED lamp, the LED lamp beads are dispersedly fixed on the lamp body with the cage-shaped structure, so that the LED lamp beads are uniformly dispersed, and the light-emitting effect is improved; on one hand, the distribution space of the LED lamp beads is expanded, so that the heating source formed by each LED lamp bead is dispersed, and the heat accumulation is reduced; on the other hand, the lamp body with the cage-shaped structure has a larger surface area, so that the heat dissipation area is further increased, and the heat dissipation is improved;

3. the lamp body has a buffering effect while supporting the LED lamp beads by utilizing the structure of the lamp body through the cage-shaped structure, so that vibration generated by transportation, carrying and the like is reduced, and a protection effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a first structural schematic diagram of an LED pendant lamp with a built-in driving power supply according to an embodiment of the present invention;

fig. 2 is a structural schematic diagram of a second LED pendant lamp with a built-in driving power supply provided by the embodiment of the invention (the lamp shade is transparent);

FIG. 3 is an exploded view I of the lamp body (without LED beads);

fig. 4 is an exploded view of the lamp body two;

FIG. 5 is a schematic structural view of the female socket;

fig. 6 is a schematic structural view of the male seat.

Description of reference numerals: the LED lamp comprises a lamp shade 1, a lamp shade 11, a half-shade, a lamp holder 2, a lamp body 3, a female seat 31, a first guide block 311, a positioning column 312, a male seat 32, a second guide block 321, a positioning hole 322, a notch 33, a folded piece 34, a guide barrel 35, a driving power supply 4, a live wire input 41, a zero line input 42, a live wire output 43, a zero line output 44, an LED lamp bead 5 and a lead 51.

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.

Example 1:

as shown in fig. 1 and 2, for the LED ceiling lamp with a built-in driving power supply provided by the invention, the LED ceiling lamp is composed of a lamp shade 1 and a lamp cap 2 fixed at one end of the lamp shade 1, the lamp shade 1 is made of heat conducting plastics, the lamp shade 1 is formed by splicing two half covers 11 which are buckled together, and the two half covers 11 are connected through threads; the driving power supply 4 is internally arranged in the lamp holder 2, the lamp body 3 is internally arranged in the lamp shade 1, wherein the lamp holder 2 adopts an E27 standard threaded port in the prior art, the position of the driving power supply 4 in the lamp holder 2 needs to be higher than a thread outside the lamp holder 2 (here, higher than that based on fig. 1), so as to avoid that the driving power supply 4 is positioned in a matched internal threaded port of the lamp holder 2 to influence heat dissipation when the LED lamp is installed, and in order to further improve the heat dissipation, in the embodiment, a material with better heat dissipation performance, such as a heat-conducting plastic, is adopted at a position of the lamp holder 2 close to the driving power; referring to fig. 3 and 4, the LED lamp bead 5 is mounted on the lamp body 3, the lamp body 3 is in a cage structure and is formed by buckling a semi-ellipsoidal female seat 31 and a male seat 32, the female seat 31 and the male seat 32 are made of elastic insulating plastics, and when the female seat 31 and the male seat 32 are closed together, the female seat 31 and the male seat 32 are in an ellipsoidal shape; as shown in fig. 2, the lamp body 3 in the lamp housing 1 has a shape in which the female seat 31 and the male seat 32 are aligned together, the female seat 31 is fixed in the lamp housing 1, and at this time, the female seat 31 and the male seat 32 are not engaged.

As shown in fig. 3 to 6, the female seat 31 and the male seat 32 are respectively provided with notches 33 which are the same in number and extend along the bus direction, each notch 33 has the same structure and is circumferentially and uniformly distributed on the corresponding female seat 31 and male seat 32, the notches 33 divide the outer walls of the corresponding female seat 31 and male seat 32 into a plurality of folding pieces 34, the LED lamp beads 5 are fixed on the folding pieces 34, the LED lamp beads 5 are uniformly distributed on the lamp body 3, the LED lamp beads 5 on the female seat 31 correspond to the LED lamp beads 5 on the male seat 32 one by one, and the two corresponding LED lamp beads 5 are connected in series; each folded piece 34 is internally provided with a bimetallic strip (in the prior art, refer to a bimetallic strip in a circuit breaker), and the direction of bending of the bimetallic strip in the female seat 31 is opposite to the direction of bending of the bimetallic strip in the male seat 32 after being heated, that is, the bimetallic strip on the female seat 31 bends outwards after being heated, the bimetallic strip on the male seat 32 bends inwards after being heated, and then after reaching a certain heating degree, the buckled female seat 31 and the male seat 32 can be separated by the bimetallic strip by themselves so as to prevent the working environment of the LED pendant lamp from being overheated to generate adverse effects, so that during actual manufacturing, the deformation of the bimetallic strip at which temperature can be set by itself, and no specific limitation is made; in addition, due to the structural characteristics of the female seat 31 and the male seat 32, under the same heating, the folding pieces 34 on the male seat 32 are easier to deform than the folding pieces 34 on the female seat 31, so the bimetal on the female seat 31 mainly functions to prevent the folding pieces 34 on the female seat 31 from bending inwards, and therefore, the folding pieces 34 on the female seat 31 do not need to be bent outwards in actual operation, and only the folding pieces 34 on the male seat 32 need to be bent.

Further, a first guide block 311 is fixed on an inner wall of an end portion of a folded piece 34 formed on the female seat 31, a second guide block 321 is fixed on an outer wall of an end portion of the folded piece 34 formed on the male seat 32, the female seat 31 and the male seat 32 are fastened through the guide blocks, when the two are fastened, the folded piece 34 deforms, so that the first guide block 311 and the second guide block 321 are abutted together, when the temperature reaches the deformation temperature of the bimetallic strip, the first guide block 311 and the second guide block 321 are separated, during actual manufacturing, it is necessary to pay attention that the first guide block 311 and the second guide block 321 are not too large so as to prevent the bimetallic strip from being deformed and not separated, and in addition, the first guide block 311 and the second guide block 321 are fastened again after being separated, as shown in fig. 5 and 6, a chamfer angle may be arranged on the guide blocks to form an inclined plane so as to facilitate fastening of the two; as shown in fig. 2, according to the ellipsoidal structure of the lamp body 3, when the lamp body is fastened together, two axial forces (arrows a and b) in opposite directions are generated, so that the female seat 31 and the male seat 32 generate a mutual thrust, thereby ensuring effective contact of the guide block, and meanwhile, by using the structure, the male seat 32 can also generate an axial buffer motion on the female seat 31, thereby playing a role of buffering and shock absorption, and avoiding impact generated during transportation and carrying.

As shown in fig. 2 and 4, the conducting between the driving power source 4 and the lamp body 3 is realized by respectively arranging a guide cylinder 35 at the center (i.e. axis) of the female seat 31 and the male seat 32, the guide cylinder 35 on the female seat 31 is electrically connected with the live wire output end 43 of the driving power source 4, the guide cylinder 35 on the male seat 32 is electrically connected with the zero wire output end 44 of the driving power source 4, and the two guide cylinders 35 are not connected; the LED lamp bead 5 on the female seat 31 is electrically connected to the guide tube 35 and the first guide block 311 thereon through the lead 51, and the LED lamp bead 5 on the male seat 32 is electrically connected to the guide tube 35 and the second guide block 321 thereon through the lead 51; when the female base 31 and the male base 32 are fastened together (i.e. when the first guide block 311 is in contact with the second guide block 321), one end of the LED lamp bead 5 on the female base 31 is connected with the live wire output end 43 of the driving power supply 4 through the guide cylinder 35, the other end of the LED lamp bead 5 on the male base 32 is connected in series with the LED lamp bead 5 corresponding to the female base through the guide block, and the LED lamp bead 5 on the male base 32 is electrically connected with the zero line output end 44 of the driving power supply 4 through the guide cylinder 35 to form a loop, wherein the live wire input end 41 of the driving power supply 4 is communicated with the tip of the lamp holder 2, the zero line input end 42 of the driving power supply 4 is communicated with the thread outside the lamp holder 2, after the LED lamp is installed, the driving power supply 4 inputs current through the lamp holder 2, and then leads out the current through the guide cylinder; in the present embodiment, the connection between the driving power source 4 and the guide cylinder 35 and the lamp head 2 is performed by using the wire 51, wherein the wire 51 in the guide cylinder 35 has a predetermined length to prevent the wire 51 from being pulled when the female socket 31 is separated from the male socket 32.

With reference to fig. 4, in order to facilitate the communication of the LED lamp beads 5, one end of the guide tube 35 extends to the outside of the corresponding tips of the female seat 31 and the male seat 32 for the communication of the LED lamp beads 5, and the LED lamp beads 5 can directly extend to the guide tube 35 through the wires 51, thereby avoiding the problem of opening holes on the male seat 32 and the female seat 31.

With reference to fig. 5 and 6, in order to further improve the stability of the male seat 32 after being fastened to the female seat 31, an insulating positioning post 312 is fixed at an end of the guide tube 35 on the female seat 31 away from the female seat 31, a positioning hole 322 is formed at an end of the guide tube 35 on the male seat 32 away from the male seat 32, the positioning post 312 is in clearance fit with the positioning hole 322, and a fit tolerance can be selected from H6/g5, so as to ensure that the positioning post 312 can move in the positioning hole 322, meanwhile, the positioning post 312 and the positioning hole 322 have the same cross section and are both regular polygons, when the positioning post 312 is inserted into the positioning hole 322, the positioning post 312 rotates in the positioning hole 322 by using a polygon structure, and further, the male seat 32 is prevented from rotating; in addition, in order to avoid the communication between the guide tube 35 on the male seat 32 and the guide tube 35 on the female seat 31, the material of the positioning post 312 is selected to be an insulating material, and when the female seat 31 and the male seat 32 are fastened together, at least a portion of the positioning post 312 is located outside the positioning hole 322, so as to reserve a portion of the positioning post 312 to come out, and prevent the end portions of the two guide tubes 35 from contacting.

When the cover is used, if the female seat 31 is separated from the male seat 32, the half cover 11 can be removed, and the male seat 32 can be buckled on the female seat 31 again through the positioning column 312 and the positioning hole 322.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A driving power supply built-in LED ceiling lamp comprises a lamp shade (1) and a lamp holder (2) fixed at one end of the lamp shade (1), wherein the lamp shade (1) is formed by assembling two half covers (11), and is characterized in that a driving power supply (4) is arranged in the lamp holder (2), a lamp body (3) is arranged in the lamp shade (1), a plurality of LED lamp beads (5) are uniformly distributed on the lamp body (3), and the lamp holder (2) and the LED lamp beads (5) are both electrically connected with the driving power supply (4); the lamp body (3) is in a cage-shaped structure;

the lamp body (3) comprises a female seat (31) fixed in the lampshade (1) and a male seat (32) buckled on the female seat (31); the female seat (31) and the male seat (32) are respectively provided with notches (33) which are the same in number and extend along the bus direction, the notches (33) are the same in structure and are circumferentially and uniformly distributed on the corresponding female seat (31) and the corresponding male seat (32), the notches (33) divide the outer walls of the corresponding female seat (31) and the corresponding male seat (32) into a plurality of folding pieces (34) to form the cage-shaped structure, and the LED lamp beads (5) are fixed on the folding pieces (34);

a first guide block (311) is fixed on the inner wall of the end part of a folded piece (34) formed on the female seat (31), a second guide block (321) is fixed on the outer wall of the end part of the folded piece (34) formed on the male seat (32), when the male seat (32) is inserted into the female seat (31) and fastened together, the first guide block (311) and the corresponding second guide block (321) are abutted together, and the folded piece (34) is deformed;

a guide cylinder (35) is fixedly arranged at the central position of the female seat (31) and the central position of the male seat (32); one end of the guide cylinder (35) extends out of the tip ends of the corresponding female seat (31) and the corresponding male seat (32); the guide cylinder (35) on the female seat (31) is electrically connected with the live wire output end of the driving power supply (4), and the guide cylinder (35) on the male seat (32) is electrically connected with the zero wire output end of the driving power supply (4); the LED lamp beads (5) on the female seat (31) are electrically connected with the guide tube (35) and the first guide block (311) through wires (51), and the LED lamp beads (5) on the male seat (32) are electrically connected with the guide tube (35) and the second guide block (321) through wires (51).

2. The LED ceiling lamp with the built-in driving power supply according to claim 1, wherein the female socket (31) and the male socket (32) are made of elastic insulating plastics, the folded pieces (34) formed on the female socket (31) and the male socket (32) are respectively provided with a bimetal strip inside, and the bimetal strip in the female socket (31) and the bimetal strip in the male socket (32) are bent in opposite directions after being heated.

3. The LED ceiling lamp with built-in driving power supply of claim 2, wherein an end of the guide tube (35) on the female base (31) away from the female base (31) is fixed with an insulated positioning post (312), an end of the guide tube (35) on the male base (32) away from the male base (32) is provided with a positioning hole (322), the positioning post (312) is in clearance fit with the positioning hole (322), when the female base (31) and the male base (32) are fastened together, the positioning post (312) is inserted into the positioning hole (322), and at least a portion of the positioning post (312) is located outside the positioning hole (322).

4. The LED ceiling lamp with the built-in driving power supply is characterized in that the cross sections of the positioning columns (312) and the positioning holes (322) are the same and are regular polygons.

5. The LED ceiling lamp with the built-in driving power supply of claim 1, wherein the lamp body (3) has an ellipsoidal outline.

6. The LED ceiling lamp with the built-in driving power supply is characterized in that the lamp holder (2) is provided with an external thread on one side away from the lampshade (1), and the driving power supply (4) is arranged inside the other side of the lamp holder (2).

7. The LED ceiling lamp with the built-in driving power supply is characterized in that the lampshade (1) is made of heat-conducting plastic; one side of the lamp holder (2) where the driving power supply (4) is installed is made of heat-conducting plastic.