CN211780268U

CN211780268U - Three-layer light-emitting structure of LED bulb

Info

Publication number: CN211780268U
Application number: CN202020058383.9U
Authority: CN
Inventors: 刘勇
Original assignee: Hangzhou Lin'an Star Lighting Electric Co ltd
Current assignee: Hangzhou Lin'an Star Lighting Electric Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-27
Anticipated expiration: 2030-01-13

Abstract

The utility model belongs to the technical field of the LED bulb technique and specifically relates to a three-layer light-emitting structure of LED bulb, including the three-layer lamp plate that keeps a determining deviation range from top to bottom, the front of every layer of lamp plate is established ties a plurality of LED chips through printed circuit, first through-hole has all been seted up at the middle part of every layer of lamp plate, the second through-hole, the third through-hole, the fourth through-hole, alternate by a metal pole between the same through-hole of three-layer lamp plate, wherein the metal pole of first through-hole extends downwards and inserts the power with the metal pole of fourth through-hole, the printed circuit both ends of one deck lamp plate below respectively with first through-hole, the metal pole welding of second through-hole, the printed circuit both ends of middle one deck lamp plate respectively with the second through-hole, the metal pole welding of third through-hole, the printed circuit both ends of the one deck lamp plate of the top respectively with the third through-hole, the metal pole welding of fourth, The metal rods of the fourth through hole.

Description

Three-layer light-emitting structure of LED bulb

Technical Field

The utility model belongs to the technical field of the LED bulb technique and specifically relates to a three-layer light emitting structure of LED bulb.

Background

Most of common LED bulbs in the market are mainly filament lamps, and the LED filaments are uniformly arranged around the supporting column to realize 360-degree light emission. Or one or more LED filaments are bent around the support column to form a certain shape, so that a more attractive shape is realized. Or a lamp panel is arranged in the bulb shell like a ceiling lamp, and the LED chips are arranged on the lamp panel according to an array. Although the light-emitting angle of the lamps is large, the lamps are conventional in shape.

The multilayer 360-degree LED lighting system provided by Chinese invention patent 201611254286.1 comprises multilayer annular lighting units, a support rod and a base, wherein the multilayer annular lighting units are vertically arranged from top to bottom in sequence, and the support rod connects and fixes the multilayer annular lighting units. The support rod is of a hollow structure, and a power line and a signal line are arranged in the support rod to realize power supply and control of each layer of annular lighting units. The lamp structure has novel modeling, but has the following defects: the structure is comparatively complicated, and the power cord need penetrate in the bracing piece, then with each layer annular lighting unit welding, if the number of piles of annular lighting unit is more, threading process just need consume a large amount of manual works, and manufacturing cost is higher, still has improved space.

Disclosure of Invention

The utility model aims at overcoming not enough among the above-mentioned background art, provide a three-layer light emitting structure of LED bulb, have simple structure, the equipment is convenient, the big technical characterstic of luminous angle.

The technical purpose of the utility model is realized like this:

a three-layer light-emitting structure of an LED bulb comprises three layers of lamp panels which are arranged at a certain interval from top to bottom, wherein a plurality of LED chips are connected in series on the front surface of each layer of lamp panel through a printed circuit, a first through hole, a second through hole, a third through hole and a fourth through hole are formed in the middle of each layer of lamp panel, a metal rod is inserted among the same through holes of the three layers of lamp panels, wherein the metal rod of the first through hole and the metal rod of the fourth through hole extend downwards and are connected with a power supply, two ends of the printed circuit of the lamp panel at the lowest layer are respectively welded with the metal rods of the first through hole and the second through hole, two ends of the printed circuit of the lamp panel at the middle layer are respectively welded with the metal rods of the second through hole and the third through hole, two ends of the printed circuit of the lamp panel at the uppermost layer are respectively welded with the metal rods of the third through hole and the fourth through hole, thereby all establish ties LED chip on the three-layer lamp plate between the metal pole of first through-hole, fourth through-hole.

Furthermore, the bottom surface of each layer of lamp panel is coated or stuck with a reflective layer respectively.

Furthermore, the front surface of the lamp panel is provided with an anti-dazzle cover body, and the cover body covers the printed circuit and the LED chip.

Furthermore, the first through hole, the second through hole, the third through hole and the fourth through hole are in interference fit with the corresponding metal rods respectively.

Further, the metal rod is a copper rod.

Further, the lamp plate is circular to the diameter of every layer of lamp plate from top to bottom increases in proper order.

Further, the lamp plate is provided with the pad respectively in the front edge of first through-hole, second through-hole, third through-hole, fourth through-hole, welds through pad and metal pole, and the printed circuit both ends of lower one deck lamp plate are connected with the pad of first through-hole, second through-hole respectively, and the printed circuit both ends of middle one deck lamp plate are connected with the pad of second through-hole, third through-hole respectively, and the printed circuit both ends of uppermost one deck lamp plate are connected with the pad of third through-hole, fourth through-hole respectively.

Compared with the prior art, the utility model has the following advantage: the utility model discloses simple structure is novel, and multilayer structure cooperation reflector layer can realize that the wide-angle is luminous, only need during the equipment with the metal pole penetrate after the through-hole again with corresponding pad welding can, need not the threading, save time, the equipment is convenient.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the flat state of the present invention.

Fig. 3 is a schematic view of a connection structure of the metal rod and the lamp panel.

Detailed Description

The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.

As shown in fig. 1, a three-layer light emitting structure of an LED bulb generally sets up within the bulb shell of the LED bulb, including the three-layer lamp plate 3 that keeps a certain interval arrangement from top to bottom, lamp plate 3 is circular to the diameter from top to bottom increases in proper order. The front of each layer of lamp panel 3 is connected with a plurality of LED chips 2.1 in series through a printed circuit. The front side of the lamp panel 3 is provided with an anti-glare cover body 2, and the cover body 2 covers the printed circuit and the LED chip 2.1. The cover body can adopt the preparation of inferior gram force board, and its shape can be like the arc strip that fig. 1 shows, covers along printed circuit and LED chip 2.1's orbit, also can directly make into the cyclic annular that suits with the diameter of place lamp plate, carries out whole cover to printed circuit and LED chip 2.1, specifically can confirm according to the demand.

As shown in fig. 1 and 2, a first through hole a, a second through hole B, a third through hole C and a fourth through hole D are formed in the middle of each layer of lamp panel 3, and a metal rod 1 is inserted between the same through holes of the three layers of lamp panels 3 (a copper rod is recommended). The metal rods 1 of the first through hole A and the fourth through hole D extend downwards and are connected into the lamp holder, and the power supply is connected through the driving module in the lamp holder. The metal rod 1 of second through-hole B, third through-hole C can cut off after passing lower floor's lamp plate 3, also can stretch down but not insert the power, supports and leans on the cell-shell inner wall, plays the supporting role.

As shown in fig. 2, the printed circuit both ends of the lowest layer lamp plate 3 are respectively welded with the metal rods 1 of the first through hole a and the second through hole B, the printed circuit both ends of the middle layer lamp plate 3 are respectively welded with the metal rods 1 of the second through hole B and the third through hole C, and the printed circuit both ends of the uppermost layer lamp plate 3 are respectively welded with the metal rods 1 of the third through hole C and the fourth through hole D, so that the LED chips 2.1 on the three layers lamp plates 3 are all connected in series between the metal rods 1 of the first through hole a and the fourth through hole D.

The bottom surface of every layer of lamp plate 3 has the one deck reflection of light coating respectively to coat, perhaps pastes and has the one deck reflector panel, forms a reflector layer 5, carries out the diffuse reflection with the light that its below lamp plate sent, increases luminous angle.

The first through hole A, the second through hole B, the third through hole C and the fourth through hole D are in interference fit with the corresponding metal rods 1 respectively. As shown in fig. 3, the front edges of the first through hole a, the second through hole B, the third through hole C and the fourth through hole D are respectively provided with a pad 4, and the printed circuit is welded and conducted with the metal rod 1 through the pad 4. As shown in fig. 2, when the printed circuit is etched, two ends of the printed circuit extend to the pad position, specifically: the printed circuit both ends of the lower layer lamp plate 3 are connected with the pad 4 of first through-hole A, second through-hole B respectively, and the printed circuit both ends of middle one deck lamp plate 3 are connected with the pad 4 of second through-hole B, third through-hole C respectively, and the printed circuit both ends of the upper most one deck lamp plate 3 are connected with the pad 4 of third through-hole C, fourth through-hole D respectively.

The utility model discloses a theory of operation is: as shown in fig. 1, it is artifical with four metal poles respectively penetrate in the corresponding through-hole of lamp plate 3 to fix three-layer lamp plate 3 together with the uniform spacing, as shown in fig. 2, then with the first through-hole A of lower floor's lamp plate 3, the pad 4 of second through-hole B and the metal pole 1 welding in the through-hole separately, the second through-hole B of middle floor's lamp plate 3, the pad 4 of third through-hole C and the metal pole 1 welding in the through-hole separately, the third through-hole C of upper floor's lamp plate 3, the pad 4 of fourth through-hole D and the metal pole 1 welding in the through-hole separately. At this moment, the LED chips 2.1 of the three lamp panels 3 are all connected in series together, and are connected to the power supply through the metal rods of the first through hole a and the fourth through hole D.

The above description is only a preferred embodiment of the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a three-layer light emitting structure of LED bulb, is including three-layer lamp plate (3) that keep the determining deviation range from top to bottom, and the front of every layer of lamp plate (3) is established ties a plurality of LED chips (2.1) through printed circuit, its characterized in that: first through hole (A), second through hole (B), third through hole (C), fourth through hole (D) have all been seted up at the middle part of every layer lamp plate (3), alternate by a metal pole (1) between the same through-hole of three-layer lamp plate (3), wherein first through hole (A), metal pole (1) downwardly extending of fourth through hole (D) and access power, the printed circuit both ends of lower floor's lamp plate (3) respectively with first through hole (A), metal pole (1) welding of second through hole (B), the printed circuit both ends of middle floor's lamp plate (3) respectively with second through hole (B), metal pole (1) welding of third through hole (C), the printed circuit both ends of topmost floor's lamp plate (3) respectively with third through hole (C), metal pole (1) welding of fourth through hole (D), thereby all establish ties LED chip (2.1) on three-layer lamp plate (3) to first through hole (A), second through hole (B), fourth through hole (D), thereby LED chip, Between the metal rods (1) of the fourth through hole (D).

2. The three-layer light emitting structure of the LED bulb as claimed in claim 1, wherein: the bottom surface of each layer of the lamp panel (3) is coated or stuck with a reflective layer (5) respectively.

3. The three-layer light emitting structure of the LED bulb as claimed in claim 1, wherein: the front side of the lamp panel (3) is provided with an anti-dazzle cover body (2), and the cover body (2) covers the printed circuit and the LED chip (2.1).

4. The three-layer light emitting structure of the LED bulb as claimed in claim 1, wherein: the first through hole (A), the second through hole (B), the third through hole (C) and the fourth through hole (D) are in interference fit with the corresponding metal rods (1) respectively.

5. The three-layer light emitting structure of the LED bulb as claimed in claim 1, wherein: the metal rod (1) is a copper rod.

6. The three-layer light emitting structure of the LED bulb as claimed in claim 1, wherein: the lamp plate (3) is circular, and the diameter of each layer of lamp plate (3) from top to bottom is increased in sequence.

7. The three-layer light emitting structure of the LED bulb according to any one of claims 1 to 6, wherein: the lamp plate (3) is provided with pad (4) respectively in the front edge of first through-hole (A), second through-hole (B), third through-hole (C), fourth through-hole (D), weld with metal pole (1) through pad (4), the printed circuit both ends of lower one deck lamp plate (3) are connected with pad (4) of first through-hole (A), second through-hole (B) respectively, the printed circuit both ends of middle one deck lamp plate (3) are connected with pad (4) of second through-hole (B), third through-hole (C) respectively, the printed circuit both ends of topmost one deck lamp plate (3) are connected with pad (4) of third through-hole (C), fourth through-hole (D) respectively.