CN201184555Y - Multilateral caulking groove type column-shaped LED light bulb - Google Patents

The utility model relates to a multilateral caulking-groove type cylindrical LED bulb which comprises a bulb holder (1), a circuit board (2), a lamp wick holder (3), an aluminum core pipe (4), a strip lamp panel (5), a round lamp panel (6), an insulation pad (7) and a light transmission cover (8). The bulb adopts the aluminum core pipe as a support frame of an LED lighting tube and utilizes the excellent heat conductivity of aluminum and the chimney effect of a hollow inner cavity of the aluminum core pipe to produce no illumination angle. The multilateral caulking-groove type cylindrical LED bulb with good heat dissipation overcomes the shortcomings of the prior LED spotlight bulb, such as illumination dead angle, poor heat dissipation, etc., and enlarges effective illumination area. A cylindrical high power LED lighting bulb can be made of thousands of LED lighting tubes, under the condition that the diameter of the bulb is not changed.

A kind of polygon embedded groove type cylindrical LED bulb

Technical field

The utility model relates to a kind of LED bulb, specifically is meant a kind of polygon embedded groove type cylindrical LED bulb.

Background technology

Existing LED bulb (consulting Figure 12) is to be fixed in the tube face inserting the printed substrate that is welded with the plurality of LEDs luminous tube, covering upward again, the printing opacity protective cover forms, because the light beam that the LED fluorescent tube is sent has directionality, so there is illumination dead angle (claiming the LED shot-light again) in the LED bulb of this structure.This structure thermal diffusivity is bad, and the bulb of high-power specification is not to seem oversize, and because of the hot sorrow of the bad LED of making fluorescent tube of dispelling the heat subtracts acceleration, luminous efficiency descends fast exactly.

Summary of the invention

The utility model aims to provide a kind of nothing illumination dead angle at the deficiency of above-mentioned existing LED bulb, and good a kind of polygon embedded groove type cylindrical LED bulb dispels the heat.

The purpose of this utility model is achieved in that a kind of polygon embedded groove type cylindrical LED bulb comprises bulb socket, circuit board, wick holder, aluminium core pipe, bar lamp plate, circle lamp plate, felt pad, diffuser, wherein: described bulb socket is the wide-mouth cup-shaped working of plastics that standard E27 lamp screw base is housed, and rim of a cup is provided with interior spiral shell button, and wall of cup is furnished with the ventilation and heat aperture; Described circuit board is the printed substrate of one or more groups rectification current limliting electronic circuit; Described wick holder is the thin-walled plastic disk that centre bore is arranged, and tries to get to the heart of a matter and also is evenly equipped with some ventilating openings and through wires hole; Described aluminium core pipe is the polygon spline hollow posts tubulose body that aluminium alloy extrusions is made, the center is provided with central shaft, the central shaft two ends are provided with the axle center screw, link to each other by three spoke muscle between central shaft and the inside pipe wall and constitute three hollow cavities, between central shaft spoke muscle, be provided with three axle ribs, on the Side of spline wall, be provided with caulking groove; Described lamp plate be strip above be welded with the printed substrate of series connection plurality of LEDs luminous tube circuit, a LED pin is respectively reserved as contact pin in the two ends of series circuit; Described round lamp plate for circular be provided with centre bore above be welded with the printed substrate of series connection plurality of LEDs luminous tube circuit, the LED pin of the two ends of series circuit is respectively drawn one and is thoroughly done away with the edge lead; Described felt pad is the thin-walled plastic disk that centre bore is arranged; Described diffuser is bell printing opacity thin-walled cover, and the cover wall cloth has the ventilation and heat aperture, and the cover mouth is provided with the external screw that matches with the interior spiral shell button of described bulb socket rim of a cup.

During assembling, the bar lamp plate is inserted successively in the spline caulking groove of aluminium core pipe, again the contact pin of bar lamp plate is passed the through wires hole of wick holder, it is welded together with the positive and negative contact pin of each adjacent strip lamp plate to press series process, what of LED luminous tube quantity can be divided into one or more groups tandem-type connection according to, every group of head and the tail contact pin is connected with the output of circuit board by insulated conductor respectively, both is connected as a single entity by the centre bore of wick holder and the following axle center screw of aluminium core pipe with screw again; The circle lamp plate is stacked on the felt pad with screw passes on the last axle center screw that centre bore is fixed on aluminium core pipe jointly, the insulated conductor of drawing of circle lamp plate passes aluminium core pipe hollow cavity and is connected with circuit board, the power input of circuit board links to each other with the lamp screw base of bulb socket, circuit board is positioned at the bottom of wick holder, places the bulb socket cup; Wick holder after the combinations thereof is snapped in bulb socket, put the interior spiral shell button that diffuser aims at bulb socket with its external screw and screw, get final product.

The characteristics of a kind of polygon embedded groove type cylindrical LED bulb of the present utility model are, adopt aluminium core pipe as LED luminous tube support framework, the LED column bulb of making has overcome the illumination dead angle of existing LED shot-light bubble, increased effective illuminating area, under the situation that does not change bulb diameter, can be made into the great power LED column lighting bulb of forming by hundreds of LEDs luminous tubes, and, because aluminium has good heat conductivity, the stack effect of aluminium core pipe hollow cavity in addition, utilization is by the heat radiation aperture of diffuser, the hollow cavity of aluminium core pipe, the ventilating opening of wick holder, the gravity-flow ventilation passage that the breeder tube of bulb socket constitutes satisfies the heat radiation requirement of high-power LED illuminating lamp bubble, makes the LED bulb not have the illumination dead angle thereby reached, the good purpose of dispelling the heat.

Description of drawings

Fig. 1 is a kind of polygon embedded groove type cylindrical LED bulb structure schematic diagram of the present utility model;

Fig. 2 is a parts bulb socket schematic diagram of the present utility model;

Fig. 3 is a component circuit board schematic diagram of the present utility model;

Fig. 4 is a parts wick holder schematic diagram of the present utility model;

Fig. 5 is a parts aluminium core pipe schematic diagram of the present utility model;

Fig. 6 is a parts bar lamp plate schematic diagram of the present utility model;

Fig. 7 is parts circle lamp plate of the present utility model, felt pad schematic diagram;

Fig. 8 is a parts diffuser schematic diagram of the present utility model;

Fig. 9 is that of the present utility model lamp plate inserts aluminium core pipe assembling schematic diagram;

Figure 10 is a wick assembling schematic diagram of the present utility model;

Figure 11 is a general assembly axonometric drawing of the present utility model;

Figure 12 is a prior art LED bulb structure schematic diagram,

Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.

Among the figure: spiral shell button, 13-breeder tube, 2-circuit board, 3-wick holder, 31-ventilating opening, 32-through wires hole, 4-aluminium core pipe, 41-central shaft, 42-axle center screw, 43-spoke muscle, 44-axle rib, 45-spline, 46-caulking groove, 47-hollow cavity, 5-bar lamp plate, 51-contact pin, 6-circle lamp plate, 7-felt pad, 8-diffuser, 81-heat radiation aperture, 82-external screw in 1-bulb socket, 11-lamp screw base, the 12-.

The specific embodiment

Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, a kind of polygon embedded groove type cylindrical LED bulb of the present utility model comprises bulb socket (1), circuit board (2), wick holder (3), aluminium core pipe (4), bar lamp plate (5), circle lamp plate (6), felt pad (7), diffuser (8), wherein: described bulb socket (1) is for being equipped with the wide-mouth cup-shaped working of plastics of standard E27 lamp screw base (11), and rim of a cup is provided with interior spiral shell button (12), and wall of cup is furnished with breeder tube (13); Described circuit board (2) is the printed substrate of one or more groups rectification current limliting electronic circuit; Described wick holder (3) is tried to get to the heart of a matter and also is evenly equipped with some ventilating openings (31) and through wires hole (32) for the thin-walled plastic disk of centre bore is arranged; The polygon spline hollow posts tubulose body that described aluminium core pipe (4) is made for aluminium alloy extrusions, the center is provided with central shaft (41), central shaft (41) two ends are provided with axle center screw (42), link to each other by three spoke muscle (43) between central shaft (41) and the inside pipe wall and constitute three hollow cavities (47), between central shaft (41) spoke muscle (43), be provided with three axle ribs (44), on the Side wall of spline (45), be provided with caulking groove (46); Described lamp plate (5) is for being welded with the printed substrate of series connection plurality of LEDs luminous tube circuit above the strip, a LED pin is respectively reserved as contact pin (51) in the two ends of series circuit; Described round lamp plate (6) for circular be provided with centre bore above be welded with the printed substrate of series connection plurality of LEDs luminous tube circuit, the LED pin of the two ends of series circuit is respectively drawn one and is thoroughly done away with the edge lead; Described felt pad (7) is for there being the thin-walled plastic disk of centre bore; Described diffuser (8) is bell printing opacity thin-walled cover, and the cover wall cloth has ventilation and heat aperture (81), and the cover mouth is provided with the external screw (82) that matches with the interior spiral shell button (12) of described bulb socket (1) rim of a cup.

During assembling, consult Fig. 9, Figure 10, Figure 11, bar lamp plate (5) is inserted successively in spline (45) caulking groove (46) of aluminium core pipe (4), again the contact pin (51) of bar lamp plate (5) is passed the through wires hole (32) of wick holder (3), it is welded together with the positive and negative contact pin (51) of each adjacent strip lamp plate (5) to press series process, what of LED luminous tube quantity can be divided into one or more groups tandem-type connection according to, every group of head and the tail contact pins (51) are connected by the output of insulated conductor with circuit board (2) respectively, both are connected as a single entity by the centre bore of wick holder (3) and axle center, the lower end screw (42) of aluminium core pipe (4) with screw again; To justify lamp plate (6) is stacked in felt pad (7) and goes up with screw and pass on axle center, the upper end screw (42) that centre bore is fixed on aluminium core pipe (4) jointly, the insulated conductor of drawing of circle lamp plate (6) passes aluminium core pipe (4) hollow cavity (47) and is connected with circuit board (2), the power input of circuit board (2) links to each other with the lamp screw base (11) of bulb socket (1), circuit board (2) is positioned at the bottom of wick holder (3), place bulb socket (1) cup, wick holder after the combinations thereof (3) is snapped in bulb socket (1), put the interior spiral shell button (12) that diffuser (8) aims at bulb socket (1) with its external screw (82) and screw, get final product.

Characteristics of the present utility model are that employing aluminium core pipe (4) is made as LED luminous tube support framework LED column bulb overcome the illumination dead angle of existing LED lamp bulb, increased effective illuminating area, In the situation that does not change bulb diameter, can be made into the great power LED that is formed by hundreds of LEDs luminous tubes The column lighting bulb, and, because aluminium has good heat conductivity, in addition aluminium core pipe (4) hollow cavity (47) stack effect utilizes by the heat radiation aperture (81) of diffuser (8), the hollow of aluminium core pipe (4) The nature that the ventilating opening (31) of inner chamber (47), wick holder (3), the breeder tube (13) of bulb socket consist of Vent passages satisfies the heat radiation requirement of high-power LED illuminating lamp bubble, thereby reached the LED bulb is not had Illumination dead angle, the good purpose of heat radiation.