WO2013067763A1

WO2013067763A1 - Lamp body, connection method therefor, and led bulb using such lamp body

Info

Publication number: WO2013067763A1
Application number: PCT/CN2012/001468
Authority: WO
Inventors: 许福贵; 许敏; 李云飞; 亢锐英
Original assignee: 山西光宇半导体照明股份有限公司
Priority date: 2011-11-08
Filing date: 2012-10-30
Publication date: 2013-05-16
Also published as: CN102364240A; CN102364240B

Abstract

A lamp body, a connection method therefor, and an LED bulb using such a lamp body. The lamp body consists of a spacer (1), a heat dissipation device (2) located beneath the spacer (1), an LED light source portion (3) located beneath the heat dissipation device (2), and a lamp shell (4) housing the LED light source portion (3) and a portion of the heat dissipation device (2). The spacer (1), the heat dissipation device (2), the LED light source portion (3) and the lamp shell (4) are provided thereon with at least one through-hole (5), and a rivet (6) passes through the through-hole (5) to fixedly connect the spacer (1), the heat dissipation device (2), the LED light source portion (3) and the lamp shell (4) together sequentially. The LED bulb includes a power source portion (9), a lamp holder (10) and a light transmission shield (8) connected onto the lamp body.

Description

A lamp body and a connection method thereof, and an LED bulb using the same.

Technical field

The invention relates to a method of connecting a lamp body, which is suitable for the overall automated assembly of an LED bulb. The present invention also relates to a lamp body produced by the connection method and an LED bulb using the same.

Background technique

LED (Light Emitting Diode) has the advantages of cold light source, energy saving, environmental protection, safety, etc. The lamp with LED light source has the advantages of long service life and no damage, and the LED light source has no shortcoming of traditional light source to emit light on all sides, and its high directivity The illuminating properties enhance the light output efficiency of the luminaire.

Since the LED is a cold light source, the high-power LED lamp needs to be equipped with a heat sink for heat dissipation, and its structure is more complicated than that of the conventional lamp. Generally, it is mainly composed of a lamp cover, an LED light source part, a heat sink and a power supply part.

The assembly of the above components in the existing LED luminaires is mainly carried out by means of screws, which requires the operator to complete with the use of electric tools, which not only affects the mass production efficiency of the LED luminaires when mass-produced lamps, but also causes manpower, Equipment costs are too high.

Summary of the invention

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method of connecting a lamp body which avoids the conventional screw fixing method and improves the production efficiency.

It is also an object of the present invention to provide a lamp body produced by the connection method, and an LED bulb produced using the lamp body.

The invention firstly provides a method for connecting a lamp body. The lamp body of the present invention is a partition plate, a heat dissipating device located under the baffle plate, an LED light source portion disposed under the heat dissipating device, and a portion and a portion of the LED light source. The lamp body connecting method of the heat dissipating device comprises: at least one through hole is disposed on the partition plate, the heat dissipating device, the LED light source portion and the lamp shell of the lamp body, and the rivet penetrates Through the above through holes, the spacer, the heat sink, the LED light source portion and the lamp housing are sequentially fixedly connected together.

The key to the connection method of the present invention is that a through hole is provided in the partition of the lamp body, the heat sink, the LED light source portion, and the lamp housing. The shape of the through hole may be slightly different depending on the position where the through hole is disposed. The simplest method is to provide a closed circular hole-shaped through hole in each of the above components.

Alternatively, the through hole in the partition plate and the lamp housing may be a closed circular hole, and the through hole disposed on the heat sink and the LED light source portion is in close contact with the outermost periphery of the components, so that the through hole is in the heat dissipation device. An opening is left in the outer circumference of the LED light source portion. Of course, the opening should be smaller than the diameter of the through hole to ensure that the rivet can be fixed in the through hole without coming out. With this structure, the volume of the lamp body can be minimized.

Next, the present invention provides a lamp body which is produced by the above connection method. The lamp body includes a top-down sequence

- 1 - Confirmation a connected partition plate, a heat dissipating device, an LED light source portion, and a lamp housing accommodating the LED light source portion and a part of the heat dissipating device are disposed on the partition plate, the heat dissipating device, the LED light source portion and the lamp housing of the lamp body One through hole through which the rivet penetrates, and the partition, the heat sink, the LED light source portion and the lamp housing are sequentially fixedly connected together.

Furthermore, the lamp body provided by the present invention further includes a connecting member wrapped around the surface of the remaining portion of the heat dissipating device that is not accommodated in the lamp housing, and protrudes a certain length above the heat dissipating device to partially accommodate the heat dissipating device. Separator.

In order to enable the connecting member to be stably wrapped on the outside of the lamp body, the present invention is provided with not less than one rib on the inner surface of the connecting member, and is provided with the rib on the outer surface of the heat dissipating device. The matching grooves are inserted into the grooves to fix the connector to the outside of the lamp body without slipping.

In the present invention, the lamp housing of the lamp body is composed of a housing and a boss integrally provided in the housing, the housing is for forming a part of the outer shape of the lamp body, and the boss is for accommodating the lamp body component, the LED light source Part and part of the heat sink are placed in the boss of the lamp housing. Similarly, the through holes for connecting the components of the lamp body are also disposed on the lower surface of the boss.

A hollow structure is also provided on the side surface of the boss.

The invention also provides a connecting projection on the partition of the lamp body, the function of which will be reflected in the installation of the lower bulb.

Finally, the present invention provides an LED light bulb using the above lamp body, the LED light bulb comprising the above lamp body and a power supply portion connected to the lamp body, a lamp cap and a translucent cover, and the baffle plate is disposed on the lamp cap The connecting protrusions of the upper connecting protrusions are complementary, the connecting protrusions are buckled in the connecting slots, the lamp body is fixed on the lamp cap, the power part is fixedly mounted in the lamp cap, and the transmissive cover is fixedly connected to the lamp housing.

Wherein, the lamp cap is composed of a lamp socket and a lamp socket which are screwed together, and the connection groove is provided on the inner surface of the lamp socket. A heat dissipation hole is further disposed around the lamp holder, and a card slot for fixing the power supply portion is disposed in the lamp holder.

The translucent cover is fixedly attached to the boss of the lamp housing, and a gap for air convection is left at the interface of the housing of the lamp housing and the transmissive cover.

The lamp body connecting method provided by the invention and the lamp body produced by the method, under the premise of satisfying the heat dissipation requirement and the safety requirement of the lamp, the inner parts of the lamp body, including the heat dissipating device, are all fixedly connected by buckles or rivets, and only need to be assembled during assembly. The two parts or several parts can be connected together and fixed, which greatly reduces the cost of manpower and equipment, realizes the batch automatic production of the lamps, and improves the production efficiency of the LED bulbs. At the same time, the LED bulbs produced by the lamp body are also fixed by means of rivets and snaps, which are suitable for batch automatic production.

The LED bulb provided by the invention fully utilizes the principle of air convection heat dissipation, and the cold air enters the bulb from the gap between the shell and the transmissive cover, and passes through the hollow structure on the boss during the ascending process, flowing through The heat sink is discharged from the heat dissipation hole on the lamp holder and continuously circulates to ensure good heat dissipation of the bulb. DRAWINGS

1 is a schematic exploded view of a lamp body according to Embodiment 1 of the present invention.

Figure 2 is a schematic view showing the structure of the partition of Figure 1.

Figure 3 is a schematic view showing the structure of the heat sink of Figure 1.

Figure 4 is a schematic view showing the structure of the connector of Figure 1.

Fig. 5 is a schematic view showing the assembled structure of the connecting member and the heat dissipating device of Fig. 1.

Figure 6 is a schematic view showing the structure of the light source portion of Figure 1.

Figure 7 is a schematic view showing the structure of the lamp housing of Figure 1.

Figure 8 is a schematic view showing the structure of an LED bulb according to Embodiment 2 of the present invention.

Figure 9 is a schematic exploded view of the LED bulb of Figure 8.

Figure 10 is a schematic view showing the structure of the lamp holder of Figure 9.

Figure 11 is a plan view of the lamp holder of Figure 9.

Figure 12 is a schematic view showing the connection structure of the lamp housing and the light transmissive cover.

Figure 13 is an enlarged view of a portion A in Figure 12.

detailed description

Example 1

A lamp body as shown in FIG. 1 includes a partition plate 1 connected in series from top to bottom, a heat sink 2, an LED light source portion 3, a lamp housing 4 accommodating the LED light source portion 3 and a part of the heat sink 2, And a surface of the remaining portion of the heat sink 2 not accommodated in the lamp housing 4, and protruding a certain length above the heat sink 2 to partially accommodate the connecting member 7 of the partition 1 above the heat sink 2, in the partition 1 , the heat sink 2, the LED light source part 3 and the lamp housing 4 are respectively provided with three through holes 5 for rivet penetration, three rivets 6 of sufficient length penetrate through the through holes 5, and the partition 1 and the heat sink 2 The LED light source part 3 and the lamp housing 4 are sequentially fixedly connected together.

The shape of the partition 1 and the position of the through hole 5 are as shown in Fig. 2, and three connecting projections 11 are provided on the partition 2. The shape of the heat sink 2 is as shown in Fig. 3. On the outer surface of the heat sink 2, three through holes 5 and three 13 slots 21 are respectively provided, and the through holes 5 are alternately arranged with the grooves 21.

The shape of the connecting member 7 is as shown in Fig. 4, and three ribs 71 are provided on the inner surface of the connecting member 7.

As shown in FIG. 5, the rib 71 of the inner surface of the connecting member is inserted into the C3 groove 21 of the outer surface of the heat sink, and the connecting member 7 is wrapped around the surface of the remaining portion of the heat sink 2 not accommodated in the lamp housing 4, and The heat sink 2 protrudes a certain length above.

The shape of the light source portion 3 and the position at which the through holes 5 are disposed, and the distribution position of the light source are as shown in Fig. 6.

The shape of the lamp housing 4 is as shown in FIG. 7, and is composed of a housing 41 and a boss 42 integrally provided in the housing 41, and the through hole 5 is provided. On the lower surface of the boss 42, the side surface of the boss 42 is provided with a hollow structure 421. An LED light source portion 3 and a portion of the heat sink 2 are placed in the boss 42.

Example 2

An LED bulb having an outer shape as shown in FIG. 8 includes a connecting member 7 and a lamp housing 4 located outside the lamp body, and a lamp cap 10 and a transmissive cover 8 connected to the lamp body.

The structure of the LED bulb is as shown in FIG. 9, and includes a lamp body of the structure of Embodiment 1. The lamp cap 10 is provided with a connecting groove 12 complementary to the connecting protrusion 11 on the partition 1, and the connecting protrusion 11 is buckled at The lamp body is fixed to the lamp cap 10 in the D3 slot 12, and the power source portion 9 is fixedly mounted in the lamp cap 10, and the translucent cover 8 is fixedly connected to the lamp housing 5.

The base 10 is composed of a socket 101 and a socket 102 which are screwed together. The base 102 is constructed as shown in Fig. 10, and the connecting recess 12 is provided on the inner surface of the socket 102.

Fig. 11 is a plan view of the socket 102. As is clear from Fig. 11, a heat dissipation hole 103 is provided in the periphery of the socket 102, and a card groove 104 for fixing the power supply portion 9 is provided in the socket.

The translucent cover 8 is fixedly connected to the boss 42 of the lamp housing 4, and the connection manner is as shown in FIG. 12. The interface of the translucent cover 8 is connected to the boss 42 of the lamp housing 4, and a platform is formed below the interface. And abutting the lower edge of the housing 41 of the lamp housing 4. As shown in Fig. 13, a gap 81 for air convection is left at the abutment of the casing 41 and the translucent cover 8.

Claims

Rights request

What is claimed is: 1. A method of connecting a lamp body, wherein the lamp body is composed of a partition plate, a heat dissipating device located below the partition plate, an LED light source portion disposed under the heat dissipating device, and a lamp housing accommodating the LED light source portion and a portion of the heat dissipating device. The utility model is characterized in that: at least one through hole is arranged on the partition plate, the heat dissipating device, the LED light source part and the lamp shell of the lamp body, and the rivet penetrates through the through hole, and the partition plate, the heat dissipating device and the LED The light source portion and the lamp housing are sequentially fixedly coupled together.

2. The method of connecting a lamp body according to claim 1, wherein the through hole provided in the partition plate, the heat sink, the LED light source portion, and the lamp housing is a closed circular hole.

3. The method of connecting a lamp body according to claim 1, wherein the through hole in the partition plate and the lamp housing is a closed circular hole, and the through hole disposed in the heat dissipating device and the LED light source portion is in the heat dissipating device An opening is left in the outer circumference of the LED light source portion, and the opening is smaller than the diameter of the through hole.

4. A lamp body made by the connection method according to any one of claims 1 to 3, wherein the lamp body comprises a partition (1), a heat sink (2), an LED light source sequentially connected from top to bottom. Part (3) and a lamp housing (4) housing the LED light source portion (3) and a portion of the heat sink (2), the partition (1), the heat sink (2), and the LED light source portion of the lamp body (3) ) and the lamp housing (4) are provided with not less than one through hole (5) through which the rivet (6) penetrates, the spacer (1), the heat sink (2), and the LED The light source part (3) and the lamp housing (4) are fixedly connected in sequence.

The lamp body according to claim 4, wherein the lamp body further comprises a connecting member (7), and the connecting member (7) is wrapped in the heat sink (2) not housed in the lamp housing (4) The remaining portion of the surface protrudes a certain length above the heat sink (2) to partially accommodate the partition (1) above the heat sink (2).

The lamp body according to claim 5, characterized in that not less than one rib (71) is provided on the inner surface of the connecting member (7), and the outer surface of the heat dissipating device (2) is provided. a groove (21) matching the rib (71), the rib (71) being received in the groove (n).

7. The lamp according to claim 4, characterized in that the lamp housing (4) by the housing (41) and is integrally provided in the casing ⁽⁴¹⁾ of the boss ⁽⁴²⁾ consisting of, LED The light source part (3) and part of the heat sink (2) are placed in the lamp housing

In the boss (42) of (4), the through hole (5) is provided on the lower surface of the boss (42).

A lamp body according to claim 7, wherein a hollow structure (421) is provided on a side surface of said boss (42).

A lamp body according to any one of claims 4 to 8, characterized in that a connecting projection (11) is provided on said partition (1).

10. An LED light bulb using the lamp body of claim 9 comprising a power supply portion ( ), a base (10) and a light transmissive cover (8) attached to said lamp body, characterized in that said base ( 10) is provided with a connection to the partition (1) Projection (11) complementary connection groove (12), the connection protrusion (11) is buckled in the connection groove (12), the lamp body is fixed on the lamp cap (10), and is fixedly mounted in the lamp cap (10) There is a power supply part (9), and the transparent cover (8) is fixedly connected to the lamp housing (4).

11. The LED light bulb according to claim 10, characterized in that the lamp cap (10) is composed of a lamp socket (101) and a lamp socket (102) which are screwed together, and the connecting groove (12) is provided. On the inner surface of the lamp holder (102).

The LED light bulb according to claim 11, wherein a heat dissipation hole (103) is provided at a periphery of the socket (102).

13. LED light bulb according to claim 11 or 12, characterized in that a card slot (104) for fixing the power supply part (9) is arranged in the socket (102).

14. LED light bulb according to claim 10, characterized in that the light-transmissive cover (8) is fixedly connected to the boss (42) of the lamp envelope (4).

15. The LED light bulb according to claim 10 or 14, characterized in that a gap for air convection is left at the interface between the casing (41) of the lamp envelope (4) and the transmissive cover (8) (81) .