CN203848035U - Wide-angle LED bulb - Google Patents

Abstract

The utility model relates to a wide angle LED bulb, it breaks through and sets up the LED module in the past in the restriction on the coplanar, sets up a plurality of LED modules on having spatial structure's lamp rail, has all installed the LED module on making a plurality of faces on the lamp rail, effectively promotes the angle that the LED bulb can shine for the luminous efficacy of LED bulb is very promoted, and it is more convenient to use. Furthermore the utility model discloses a heat radiation structure that novel material made solves the electric leakage and the short circuit problem of traditional crowded type radiating seat of aluminium to keep original heat dissipation efficiency, let the use of LED bulb more safe.

Description

Wide Angle LED Bulb

technical field

The utility model relates to an LED bulb, in particular to a wide-angle LED bulb with a wider irradiation angle.

Background technique

The existing LED light bulb is shown in Figure 5, which is assembled from a power supply base 90, a circuit module 100, an aluminum extruded heat sink 110, a carrier sheet 120 equipped with multiple LED light sources, and a lampshade 130. become. The carrier 120 is mounted on the top of the heat sink 110 , and the circuit module 100 inside the heat sink 110 provides external power to the multiple LED light sources on the carrier 120 to emit light.

The above-mentioned LED light bulbs are assembled and arranged on the same plane of the carrier sheet 120 with a plurality of LED light sources, so the light emitted by the LED light sources can only illuminate the space on one side of the carrier sheet 120. If a single LED light source is used as the As a basis for angle calculation, the illumination angle that can be achieved is only 180°, and the rest is covered by the carrier sheet 120, which reduces the illumination efficiency of the LED light source and wastes power supply resources.

In addition, in order to make the heat sink 110 have a better heat dissipation effect, it is generally made of a metal with better thermal conductivity such as aluminum, but the cost of aluminum is relatively high, and the circuit module 100 inside the heat sink 110 is connected to an external power supply. , if the circuit module 100 is in contact with the heat sink 110, there may be a danger of electric leakage. Therefore, the existing LED light bulb chooses to further install an insulating sleeve around the circuit module 100 to solve the leakage problem and insulate the circuit module 100 from the heat sink 110 , but it also increases the manufacturing cost of the LED light bulb.

Utility model content

In view of the shortcomings of existing LED light bulbs and cost considerations, the purpose of this utility model is to provide a wide-angle LED light bulb that can increase the illumination angle and achieve insulation effects without using an insulating sleeve, so that the luminous efficiency of the LED light source is sufficient. be used, and at the same time reduce the production cost of LED bulbs.

In order to achieve the above purpose, the technical means adopted by the utility model is to provide a wide-angle LED light bulb, which includes:

a conductive connector having an opening at one end and a closed end with threads formed on the outer periphery;

A heat dissipation structure, which is installed in the opening of the conductive joint, wherein an accommodating space is formed inside the heat dissipation structure;

a plurality of oppositely arranged electrical connectors, which are installed in the accommodating space on the top inner edge of the heat dissipation structure;

At least one light track, the light track includes two light bars and a plurality of LED modules, the two light bars are arranged at intervals, and the two ends of each light bar are respectively connected to the corresponding electrical connectors; the LED modules are spaced across It is arranged on the adjacent light bar, and forms an electrical connection with the electrical connector through the light bar;

A circuit board, which is installed in the accommodating space of the heat dissipation structure, and is electrically connected with the conductive joint and the electrical connector; and

A lampshade, which is covered on the top of the heat dissipation structure, is a light-transmitting semicircular cover body, and an open end is formed on the side facing the heat dissipation structure.

The beneficial effects of the utility model are: by installing a plurality of LED modules on the double-track light bar with a three-dimensional structure, the three faces of the light track are equipped with LED modules, and the angle that the LED bulb can illuminate is increased. To 270°, or even wider, so that the arrangement of LED modules improves the lighting efficiency of LED bulbs and reduces the waste of power resources.

Preferably, each electrical connector has two fixing holes penetrating from the top of the heat dissipation structure toward the bottom, and an electrical connecting piece is further provided between adjacent electrical connecting pieces, and two through holes are provided at both ends of the electrical connecting piece , the through hole corresponds to the fixing hole, and the light bar is inserted through the through hole and inserted into the fixing hole, so as to fix the electrical connecting piece on the electrical connecting piece.

Preferably, one end of the circuit board is connected to one end of the light bar by an electric wire through an electrical connector, and the other end of the circuit board is connected to a conductive joint by an electric wire.

Preferably, each light bar is a copper wire.

Preferably, the diameter of the heat dissipation structure gradually expands from the bottom to the top.

Preferably, the heat dissipation structure is composed of resin, stone powder and hardener, and each electrical connector has two fixing holes pierced along the top of the heat dissipation structure towards the bottom, and the adjacent electrical connectors An electrical connecting piece is further provided between the two ends of the electrical connecting piece. The two perforations correspond to the fixing holes, and the light bar is passed through the through holes and inserted into the fixing holes. The electrical connecting piece fixed on the electrical connector. This technical method uses a non-conductive heat dissipation structure composed of resin, stone powder and hardener, so that the periphery of the circuit board does not need to be insulated with an insulating sleeve, that is, there will be no possibility of leakage or short circuit, and the convenience of LED bulb manufacturing is improved. performance and safety of use. In addition, the setting of the electrical connecting piece enables adjacent light bars to be arranged in parallel with each other, so that the LED modules on multiple light rails can emit light at the same time, so that the irradiated range of the LED bulbs is wider.

More preferably, one end of the circuit board is connected to one end of the light bar through the electric connecting piece by the electric wire, and the other end of the circuit board is connected to the conductive joint by the electric wire. This design uses wires and circuit boards to connect conductive connectors to the light bar, so that the external power supply can transmit current to the electronic components on the circuit board through the conductive connectors for rectification, voltage reduction and voltage stabilization, and then provide the LED modules on the light bar to emit light. Use, thereby controlling and stabilizing the electrical energy delivered from the outside, so that the LED module can emit light stably in a safe voltage state.

Optimally, the diameter of the heat dissipation structure gradually expands from the bottom to the top, and the light bar is made of copper wire. This technical means uses the enlarged design of the top of the heat dissipation structure to enable the heat dissipation structure to be bonded to the lampshade, and the copper wire with excellent conductivity is used as a current transmission tool to reduce the consumption of electric energy transmitted on the light bar, so that it can be effectively used by the LED module. Use to improve the luminous efficiency of LED bulbs.

Description of drawings

Fig. 1 is a perspective view of the wide-angle LED bulb of the present invention.

Fig. 2 is a three-dimensional exploded view of the wide-angle LED light bulb of the present invention.

Fig. 3 is a side sectional view of a partial structure of the wide-angle LED light bulb of the present invention.

Fig. 4 is a top view of the partial structure of the wide-angle LED light bulb of the present invention.

FIG. 5 is an exploded perspective view of a conventional LED light bulb.

Explanation of main symbols

10 Conductive connector 11 Opening

12 Electric connector 13 Thread

20 heat dissipation structure 21 bottom

22 Top 23 Accommodating space

30 Electrical connector 31 Fixing hole

40 light track 41 light bar

42 LED Module 50 Circuit Board

60 lampshade 61 open end

70 Electrical connector 90 Power base

100 circuit module 110 aluminum extruded heat sink

120 slides 130 lamp shades.

Detailed ways

Please cooperate with the accompanying drawings and the preferred embodiments of the utility model to further elaborate the technical means adopted by the utility model to achieve the predetermined creation purpose.

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

One end of the conductive joint 10 has an opening 11 , and the other end is closed and has a screw thread 13 formed on the outer periphery.

The bottom 21 of the heat dissipation structure 20 is set in the opening 11 of the conductive joint 10, and the diameter of the heat dissipation structure 20 gradually expands from the bottom 21 to the top 22. The heat dissipation structure 20 is made of resin, stone powder and hardener through mold-opening ceramic injection Alternatively, the heat-conducting plastic is injection molded, and a hollow accommodating space 23 is further formed inside the heat dissipation structure 20 .

The electrical connectors 30 are installed equidistantly in the accommodating space 23 on the inner edge of the top 22 of the heat dissipation structure 20 , and each electrical connector 30 has two fixing holes pierced along the top 22 of the heat dissipation structure 20 toward the bottom 21 31.

The light track 40 includes two light bars 41 and a plurality of LED modules 42 , the two light bars 41 are arranged at intervals, and the light bars 41 are made of copper wire with good conductivity. Both ends of each light bar 41 are respectively inserted into the fixing holes 31 of the corresponding electrical connectors 30 . The LED modules 42 are straddled on adjacent light bars 41 at intervals, and are electrically connected to the electrical connector 30 through the light bars 41 .

The circuit board 50 is installed in the accommodating space 23 of the heat dissipation structure 20, and forms an electrical connection with the conductive connector 10 and the electrical connector 30, so that the external power supply can transmit power to the circuit board 50 through the conductive connector 10 for rectification, step-down or The stabilized voltage is then transmitted by the circuit board 50 to the LED module 42 on the light bar 40 through the electrical connector to make it emit light.

The lampshade 60 is covered on the top of the heat dissipation structure 20. It is a light-transmitting semicircular arc cover, and an open end 61 is formed on the side facing the heat dissipation structure 20, through which the opening end 61 and the top 22 of the heat dissipation structure 20 After engaging and connecting with each other, and making the multiple LED modules 42 in the lampshade 60 emit light, the light can pass through the lampshade 60 to irradiate the outside.

Referring to Fig. 3 and Fig. 4, the wide-angle LED light bulb of the present utility model is further provided with an electric connecting piece 70, and two ends of the electric connecting piece 70 are provided with two perforations, and the fixing of the perforating and the adjacent electric connecting piece 30 Corresponding to the hole 31, the light bar 41 is passed through the perforation 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 piece 30, so that the adjacent The light bar 41 on the electrical connector 30 is electrically connected.

When the utility model is actually used, the conductive joint 10 is locked on the external lamp holder, and the external power supply transmits the power into the circuit board 50 through the conductive joint 10 and the wire, and then rectified by the circuit board 50 from the other side. The wires are sent to the light rail 40 to make the LED modules 42 on the light bar 41 of the light rail 40 emit light. Finally, the other end of the light bar 41 returns the current to the circuit board 50 through the wire, and then transmits the current to the external lamp holder through the conductive joint 10 to form a conduction loop.

In addition, the utility model through the arrangement of the electrical connecting piece 70 on the adjacent electrical connecting piece 30 makes the different light rails 40 form a parallel connection, so that the positive and negative wires extending from the circuit board only need to be connected with one of the light rails respectively. The two ends of 40 are connected, so that the LED modules 42 on multiple light rails 40 can emit light together, and also can reduce the chance of contacting with other conductive substances, resulting in circular short circuit and affecting the operation of LED bulbs.

To sum up, the wide-angle LED light bulb of the present utility model is used on the light rail 40 of the double light bar 41 structure to be provided with a plurality of LED modules 42, so that the LED light source is no longer limited to the same carrier as the traditional LED light bulb. On the one hand, the LED module 42 is divided into the whole three-dimensional structure to increase the irradiation range of the LED bulb and increase the irradiation angle of the LED bulb to 270°, or even larger. In addition, the heat dissipation structure made of resin, stone powder and hardener has a very good heat dissipation effect and has no electrical conductivity, so there will be no leakage or short circuit, eliminating the need for the use of insulating sleeves for traditional LED bulbs , reduce the trouble of the manufacturing process, and also reduce the cost of manufacturing.

The above descriptions are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Those skilled in the art, without departing from the scope of the technical solution of the present utility model, may use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all the technical solutions of the utility model do not depart from the content of the technical solution of the utility model Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still belong to the scope of the claims of the present invention.

Claims (5)

1. a Wide-angle LED bulb, is characterized in that, comprising:

One conductive contact, its one end has an opening, and other end sealing is also formed with screw thread in outer peripheral edges;

One radiator structure, its assembling is arranged in the opening of described conductive contact, and in the inner accommodation space that forms of described radiator structure;

Multiple electrical connectors that are oppositely arranged, its assembling is arranged in the accommodation space of top inner edge of described radiator structure;

At least one lamp rail, described lamp rail comprises two lamp bars and multiple LED module, and described two lamp bars are distributed in distance, and the two ends of described each lamp bar are connected with corresponding described electrical connector respectively; Described LED module is interval across being arranged on adjacent described lamp bar, and is formed and be electrically connected with described electrical connector by described lamp bar;

One circuit board, its assembling is arranged in the accommodation space of described radiator structure, and forms and be electrically connected with described conductive contact and described electrical connector; And

One lampshade, its covering is arranged at the top of described radiator structure, and described lampshade is the semicircle cover body of a printing opacity, and in forming an openend towards a side of described radiator structure.

2. Wide-angle LED bulb according to claim 1, is characterized in that; Described each electrical connector has two fixing holes that wear towards bottom direction along the top of described radiator structure, and between described adjacent electrical connector, be further provided with an electric connecting sheet, the two ends of described electric connecting sheet are provided with two perforation, described perforation is corresponding with described fixing hole, and described lamp bar run through by described perforation and intert be arranged in described fixing hole, described electric connecting sheet is fixedly installed on described electrical connector.

3. Wide-angle LED bulb according to claim 1 and 2, is characterized in that; One end of this circuit board is connected to one end of described lamp bar through described electrical connector by electric wire, the other end of this circuit board is by being wired to described conductive contact.

4. Wide-angle LED bulb according to claim 1 and 2, is characterized in that; Described each lamp bar is a copper cash.

5. Wide-angle LED bulb according to claim 1 and 2, is characterized in that; The diameter of this radiator structure is expanded towards top-direction gradually by bottom.