TWM482702U - Wide-angle LED light bulb - Google Patents

Description

Wide angle LED bulb

This creation is an LED bulb, especially a wide-angle LED bulb with a wide illumination angle.

The existing LED bulb is shown in FIG. 5, which is assembled by a power connector 90, a circuit module 100, an aluminum extruded heat sink 110, a carrier 120 equipped with a plurality of LED light sources, and a lamp cover 130. Made. The carrier 120 is mounted on the top end of the heat sink 110, and the circuit module 100 disposed inside the heat sink 110 provides external power to the plurality of LED light sources on the carrier 120 for illumination.

Since the LED light bulb is mounted on the same plane of the slide 120, the light emitted by the LED light source can only illuminate the space on one side of the slide 120, and the single LED light source is The reference angle of the angle calculation is only 180°, and the rest is covered by the slide 120, so that the illumination efficiency of the LED light source is reduced, resulting in waste of power supply resources.

In addition, in order to make the heat sink 110 have a better heat dissipation effect, generally, a metal having a good heat conduction effect, such as aluminum, is used, but the cost of the aluminum is high, and the circuit module 100 inside the heat sink 110 is connected with an external connection. The power supply, if the circuit module 100 is in contact with the heat sink 110, may have a crisis of leakage. Therefore, the existing LED bulb is further selected to be further provided with an insulating sleeve on the periphery of the circuit module 100 to solve the problem of leakage, so that the circuit module 100 is insulated from the heat sink 110, but the manufacturing cost of the LED bulb is also increased.

In view of the shortcomings and cost considerations of the existing LED bulbs, a wide-angle LED bulb capable of improving the illumination angle and achieving the insulation effect without using an insulating sleeve is needed at the present stage, so that the luminous efficacy of the LED light source can be fully utilized and simultaneously reduced. The cost of manufacturing LED bulbs.

In order to achieve the above needs and objectives, the technical means adopted by the present invention is to provide a wide-angle LED bulb, which comprises: a conductive joint having an opening at one end and a thread formed at the outer periphery and a heat dissipation structure; The device is disposed in the opening of the conductive joint, wherein the heat dissipating structure defines an accommodating space; the plurality of oppositely disposed electrical connecting members are disposed in the accommodating space of the top inner edge of the heat dissipating structure; at least one The light rail comprises two light bars and a plurality of LED modules, wherein the two light bars are arranged at intervals, and two ends of each light bar are respectively connected with corresponding electrical connectors; the LED modules are spaced apart An electrical connection is formed between the light bar and the electrical connection member through the light bar; a circuit board is disposed in the accommodating space of the heat dissipation structure, and is electrically connected to the conductive connector and the electrical connector; and The lamp cover is disposed on the top end of the heat dissipation structure, and is a light transmissive semi-circular cover body, and forms an open end on a side facing the heat dissipation structure.

The advantage of the present invention is that the plurality of LED modules are assembled on a double-track light bar having a three-dimensional structure, so that the LED modules are arranged on the three sides of the light rail, thereby increasing the angle that the LED bulb can be illuminated to 270°, or even wider, the LED module is arranged to enhance the illumination efficiency of the LED bulb and reduce the waste of power resources.

Preferably, the heat dissipation structure is composed of a resin, a stone powder and a hardener, and each of the electrical connectors has two fixing holes penetrating along the top of the heat dissipation structure toward the bottom direction, and adjacent electrical connectors Further, an electrical connecting piece is further disposed, and two ends of the electrical connecting piece are provided with two through holes, and the through holes correspond to the fixing holes, and the light bar is inserted through the through holes and inserted into the fixing holes to electrically connect the pieces It is fixed on the electrical connector. The technical means only utilizes the heat-dissipating structure of resin, stone powder and hardener which has no conductive property, so that the periphery of the circuit board does not need to be insulated by the insulating sleeve, that is, there is no possibility of leakage or short circuit, and the manufacturing of the LED bulb is improved. Sex and security of use. In addition, the arrangement of the electrical connecting pieces enables the adjacent light bars to be arranged in parallel with each other, so that the LED modules on the plurality of light rails can simultaneously emit light, so that the LED light bulb can be irradiated in a wider range.

More preferably, one end of the circuit board is connected to one end of the light bar via an electrical connection, and the other end of the circuit board is connected to the conductive joint by a wire. The design connects the conductive joints and the light strips by wires and circuit boards, so that the external power source transmits current to the electronic components on the circuit board via the conductive joints for rectification, step-down and voltage regulation, and then supplies the LED modules on the light strips. Illumination is used to control and stabilize the incoming electric energy, so that the LED module can stably emit light under a safe voltage state.

Most preferably, the diameter of the heat dissipating structure gradually increases from the bottom toward the top, and the strip is made of copper wire. The technical means utilizes the enlarged design of the top of the heat dissipation structure to enable the heat dissipation structure to be engaged with the lamp cover, and the copper wire with excellent conductivity is used as a current transmission tool to reduce the consumption of electric energy on the light bar, so that the LED module can be effectively used. Used to improve the luminous efficiency of LED bulbs.

In the following, please cooperate with the drawings and the preferred embodiment of the present invention to further explain the technical means adopted by the present creation for the purpose of achieving the intended creation.

As shown in FIG. 1 and FIG. 2, the wide-angle LED bulb of the present invention comprises: a conductive joint 10, a heat dissipation structure 20, six oppositely disposed electrical connectors 30, three light rails 40, a circuit board 50, and A light cover 60.

The conductive joint 10 has an opening 11 at one end, and the other end is closed and a thread 13 is formed on the outer periphery.

The bottom portion 21 of the heat dissipation structure 20 is disposed in the opening 11 of the conductive joint 10, and the diameter of the heat dissipation structure 20 is gradually enlarged from the bottom portion 21 toward the top portion 22. The heat dissipation structure 20 is emitted from the resin, the stone powder and the hardener through the open mold ceramic. Or the thermal plastic injection molding, and further forming a hollow accommodating space 23 inside the heat dissipation structure 20.

The electrical connectors 30 are equidistantly disposed in the accommodating spaces 23 of the inner edges of the top portions 22 of the heat dissipation structures 20, and each of the electrical connectors 30 has two fixing holes extending along the top portion 22 of the heat dissipation structure 20 toward the bottom portion 21. 31.

The light rail 40 includes two light strips 41 and a plurality of LED modules 42. The two light strips 41 are arranged at intervals, and the light strips 41 are prepared from copper wires with good conductivity. Both ends of each of the light bars 41 are respectively inserted into the fixing holes 31 of the corresponding electrical connectors 30. The LED modules 42 are spanned across the adjacent light strips 41 and electrically connected to the electrical connectors 30 through the light strips 41.

The circuit board 50 is disposed in the accommodating space 23 of the heat dissipation structure 20, and is electrically connected to the conductive connector 10 and the electrical connector 30, so that the external power source can be powered by the conductive connector 10 to the circuit board 50 for rectification, step-down or The voltage is regulated and then transmitted by the circuit board 50 through the electrical connector to the LED module 42 on the light bar 40 to illuminate.

The cover 60 is disposed on the top end of the heat dissipation structure 20, and is a light-transmissive semi-circular cover. The open end 61 is formed on the side facing the heat dissipation structure 20, and the open end 61 and the heat dissipation structure 20 are formed. After the top 22 is snap-fitted and the plurality of LED modules 42 in the lamp cover 60 are illuminated, the light can penetrate the lamp cover 60 to illuminate the outside.

As shown in FIG. 3 and FIG. 4, the wide-angle LED bulb of the present invention is further provided with an electrical connecting piece 70. Two ends of the electrical connecting piece 70 are provided with two through holes, and the through holes and the fixing holes of the adjacent electrical connecting members 30 are provided. Correspondingly, the light bar 41 is inserted through the through hole of the electrical connecting piece 70 and inserted into the fixing hole 31, and the electrical connecting piece 70 is fixed on the adjacent electrical connecting member 30 to make the adjacent electric The light bar 41 on the connector 30 is electrically connected.

When the present invention is actually used, the conductive joint 10 is locked to the external lamp holder, and the power is transmitted from the external power source to the circuit board 50 via the conductive joint 10 and the electric wire, and then rectified by the circuit board 50 and then the electric wire from the other side is completed. It is transmitted to the light rail 40 to cause the LED module 42 on the light bar 41 of the light rail 40 to emit light. Finally, the current is returned to the circuit board 50 via the wire at the other end of the light bar 41, and then further transmitted to the external lamp holder via the conductive joint 10 to form a conduction loop.

In addition, the present invention forms a parallel connection between the different light rails 40 by the arrangement of the electrical connecting sheets 70 on the adjacent electrical connectors 30, so that the positive and negative wires extending from the circuit board need only be separately associated with one of the light rails. When the two ends of the 40 are connected, the LED modules 42 on the plurality of light rails 40 can be illuminated together, and the chance of contact with other conductive materials can be reduced, causing a short circuit of the loop and affecting the operation of the LED bulb.

In summary, the wide-angle LED bulb of the present invention is provided with a plurality of LED modules 42 on the light rail 40 of the double-light strip 41 structure, so that the LED light source is no longer limited to the same slide as the conventional LED bulb. On one side, the LED module 42 is divided into the entire three-dimensional structure to increase the illumination range of the LED bulb, so that the illumination angle of the LED bulb is raised to 270° or even larger. In addition, the heat dissipating structure made of resin, stone powder and hardener has very good heat dissipation effect and has no conductive property, so there is no leakage or short circuit, and the use of the insulating sleeve of the traditional LED bulb is omitted. Reduce the trouble of the process and reduce the cost of production.

The above description is only a preferred embodiment of the present invention, and does not impose any form limitation on the present invention. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present creation, and has any technical field. A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The technical essence of the creation Any simple modification, equivalent change and modification of the above embodiments are still within the scope of the technical solution of the present invention.

10‧‧‧Electrical connector
11‧‧‧ openings
12‧‧‧Electrical connector
13‧‧‧ thread
20‧‧‧heating structure
21‧‧‧ bottom
22‧‧‧ top
23‧‧‧ accommodating space
30‧‧‧Electrical connectors
31‧‧‧Fixed holes
40‧‧‧Light rail
41‧‧‧Light strips
42‧‧‧LED module
50‧‧‧ boards
60‧‧‧shade
61‧‧‧Open end
70‧‧‧Electrical connection piece
90‧‧‧Power connector
100‧‧‧ circuit module
110‧‧‧Aluminum extruded heat sink
120‧‧‧ slides
130‧‧‧shade

Figure 1 is a perspective view of the wide-angle LED bulb of the present invention. Figure 2 is an exploded perspective view of the wide-angle LED bulb of the present invention. Figure 3 is a side cross-sectional view showing the partial structure of the wide-angle LED bulb of the present invention. Figure 4 is a top view of the partial structure of the wide angle LED bulb of the present invention. Fig. 5 is an exploded perspective view of a conventional LED bulb.

10‧‧‧Electrical connector

11‧‧‧ openings

12‧‧‧Electrical connector

13‧‧‧ thread

20‧‧‧heating structure

21‧‧‧ bottom

22‧‧‧ top

23‧‧‧ accommodating space

30‧‧‧Electrical connectors

31‧‧‧Fixed holes

40‧‧‧Light rail

41‧‧‧Light strips

42‧‧‧LED module

50‧‧‧ boards

60‧‧‧shade

61‧‧‧Open end

70‧‧‧Electrical connection piece

Claims (7)

A wide-angle LED bulb comprising: an electrically conductive joint having an opening at one end and a thread formed at an outer periphery of the other end; a heat dissipating structure mounted in the opening of the electrically conductive joint and formed inside the heat dissipating structure a plurality of oppositely disposed electrical connectors are disposed in the accommodating space of the top inner edge of the heat dissipation structure; at least one light rail, the light rail includes two light bars and a plurality of LED modules, two The light strips are arranged at intervals, and the two ends of the light strips are respectively connected with the corresponding electrical connecting members; the LED modules are spaced apart from each other on the adjacent light strips, and are electrically connected through the light strips and the electrical connecting members. A circuit board is disposed in the accommodating space of the heat dissipation structure and electrically connected to the conductive connector and the electrical connector; and a lamp cover is disposed on the top end of the heat dissipation structure, and is a light transmissive The semicircular cover has an open end formed on a side facing the heat dissipation structure. The wide-angle LED bulb of claim 1, wherein each of the electrical connectors has two fixing holes extending along a top of the heat dissipation structure toward the bottom, and an electrical connection piece is further disposed between the adjacent electrical connectors. Two ends of the sheet are provided with two through holes, and the through holes are corresponding to the fixing holes, and the light strips are inserted through the through holes and inserted into the fixing holes, and the electrical connecting pieces are fixed on the electrical connecting members. The wide-angle LED light bulb of claim 1 or 2, wherein one end of the circuit board is connected to one end of the light bar via an electrical connection, and the other end of the circuit board is connected to the conductive joint by a wire. The wide-angle LED light bulb of claim 1 or 2, wherein the heat dissipation structure is a combination of a resin, a stone powder, and a hardener. The wide-angle LED light bulb of claim 3, wherein the heat dissipation structure is a combination of a resin, a stone powder, and a hardener. The wide-angle LED light bulb of claim 1 or 2, wherein the light bar is a copper wire. The wide-angle LED bulb of claim 1 or 2, wherein the heat dissipation structure has a diameter that gradually increases from the bottom toward the top.