CN204387746U - A kind of 360 degree of LED bulb - Google Patents
A kind of 360 degree of LED bulb Download PDFInfo
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- CN204387746U CN204387746U CN201420858894.3U CN201420858894U CN204387746U CN 204387746 U CN204387746 U CN 204387746U CN 201420858894 U CN201420858894 U CN 201420858894U CN 204387746 U CN204387746 U CN 204387746U
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- filament
- heat
- locating means
- radiating substrate
- heater tab
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Abstract
The utility model relates to a kind of 360 degree of LED bulb, be made up of lamp holder, lamp housing and filament, described lamp holder is fixed termination, LED drive circuit and electrode tip by filament and is formed, described lamp housing is a cavity vitreum having opening, described filament is by the multiple described heater tab with locating means of combination after bending along the line of rabbet joint be arranged on heater tab with locating means surface or be made up of the single described heater tab with locating means overlapped after the line of rabbet joint doubling be arranged on heater tab with locating means surface, and described filament is inserted into described filament fixes on termination; Wherein, described heater tab with locating means is made up of multiple LED chip, heat-radiating substrate and fluorophor, and described filament is inserted into described filament fixes on termination.The utility model technique simple and stable, light-source structure is various informative and heat conduction fast, good heat dissipation, long service life.
Description
Technical field
The utility model relates to technical field of LED illumination, and particularly a kind of large lighting angle imitates 360 degree of LED bulb of traditional filament shape.
Background technology
As everyone knows, Edison invented incandescent lamp gives our whole earth and the mankind epoch-making significance brought, traditional incandescent lighting has inveteracy status to the mankind, but since entering new 21 century, the appearance of environmental protection more, energy-saving LED light source new technology, has to again abandon conventional incandescent tengsten lamp.But for the promotion of, three-dimensional illumination feature luminous to the wide-angle of conventional incandescent and prevailing custom of missing old times or old friends, traditional incandescent lamp is potential huge market still.And the LED bulb on existing market is solid-state illumination one side luminous characteristics because of it, the overwhelming majority is luminous lower than 180 low-angles.So in order to find this point of penetration, Chance, the utility model, based on LED light source technical characterstic, has invented the LED clear lamp that a kind of large lighting angle does not need the direct anti-traditional filament shape of lens.
Now also occur both at home and abroad the LED pompon bubble technology of similar anti-conventional incandescent successively, as adopted transparent glass or pottery as the bearing substrate of LED chip, then carry out light-source encapsulation, the equipment and process then continuing use conventional incandescent carries out.Although its technics comparing of this scheme is reliable and stable, but the heat radiation of its LED light source but can not get good solution, because have employed thermal conductivity factor is not that very high glass ceramic baseplate is as conductor, although be filled with inert gas, strengthen convection current, extend the life-span, but its LED light source still can not get good heat radiation, have a strong impact on its service life.And its encapsulation, its packaging technology also more complicated, production cost is higher.
Utility model content
For the deficiency of prior art, the utility model proposes a kind of encapsulation, simple for assembly process, 360 degree of LED bulb that thermal diffusivity is good He with low cost, this 360 degree of LED bulb fix termination by filament, LED drive circuit and electrode tip are formed, described lamp housing is a cavity vitreum having opening, described filament is by bending the multiple described heater tab with locating means of rear combination along the line of rabbet joint be arranged on heater tab with locating means surface or being made up of the single described heater tab with locating means overlapped after the line of rabbet joint doubling be arranged on heater tab with locating means surface, and described filament is inserted into described filament to be fixed on termination, wherein, described heater tab with locating means is made up of multiple LED chip, heat-radiating substrate and fluorophor.
According to a kind of preferred embodiment, the described line of rabbet joint to be arranged on described heat-radiating substrate and with arrange on the opposite face on surface of multiple described LED chip, and in the described line of rabbet joint vertical symmetry axis that is positioned at described heat-radiating substrate or horizontal symmetry axis.
According to a kind of preferred embodiment, described multiple LED chip is arranged on the surface of described heat-radiating substrate in series and/or in parallel one side, and described fluorophor covers on described heat-radiating substrate and described fluorophor wraps up the multiple LED chip be arranged on described heat-radiating substrate.
According to a kind of preferred embodiment, described heat-radiating substrate surface is provided with one in order to the copper conductor by multiple described LED chip series connection and/or parallel connection, and the two ends of described copper conductor are electrically connected with two plate electrodes on described heat-radiating substrate respectively, wherein, described electrode is arranged on the region fixing termination for being inserted into described filament on described heat-radiating substrate.
According to a kind of preferred embodiment, described fluorophor is by protecting type layer and fluorescence coating is formed, and described guarantor's type layer is arranged on separately on the surface of each described LED chip, and is covered completely on the surface of described LED chip; Described fluorescence coating covers the surface of described guarantor's type layer and covers on the heat-radiating substrate region between multiple described LED chip continuously, forms an entirety to make described fluorescence coating.
According to a kind of preferred embodiment, described fluorescence coating is made up of high thixotropic LED glue.
According to a kind of preferred embodiment, described filament fixed end head comprises filament fixed head, filament holddown groove and electrode contact blade, wherein, described filament fixed head is printed circuit board (PCB), formed in the middle of described filament fixed head with described filament on insert the filament holddown groove that geomery that described filament fixes the end of termination matches, and described filament fixed head arranges positive pole solder joint, negative pole solder joint and the pad equal with described electrode contact blade quantity, and described electrode contact blade is welded on the pad of described filament fixed head respectively.
According to a kind of preferred embodiment, described filament fixed head is provided with the wire equal with described number of pads, and one end of described wire is conducted electricity with described pad and is connected, and the other end of described wire is connected with described positive pole solder joint or described negative pole solder joint; Described positive pole solder joint and negative pole solder joint are electrically connected with the positive output end of described LED drive circuit and negative output terminal that are arranged on described lamp holder inside respectively.
According to a kind of preferred embodiment, described electrode contact blade is the copper sheet of the rectangular shape of cross section, and form an elastic bumps at the outer surface of the perpendicular of described electrode contact blade, wherein, on the pad that the horizontal plane that described electrode contact blade is not provided with elastic bumps is welded on described filament fixed head and the sidewall of the perpendicular and described filament holddown groove that make to be provided with elastic bumps remains in same perpendicular, in the mounted state, described elastic bumps is connected with the electrodes conduct be arranged on described heat-radiating substrate.
According to a kind of preferred embodiment, described filament fixed head covers the reflective glue of one deck insulation.
According to a kind of preferred embodiment, between the contact surface of the multiple described heater tab with locating means combined after bending along the line of rabbet joint be arranged on described heater tab with locating means surface, be provided with the heat dissipating layer be made up of thermal plastic insulation; Or be provided with by between the contact surface of the single described heater tab with locating means overlapped after the line of rabbet joint doubling be arranged on described heater tab with locating means surface the heat dissipating layer be made up of thermal plastic insulation.
The beneficial effects of the utility model:
1, encapsulation of the present utility model, efficiently simple for assembly process, and when making heater tab with locating means, equipment investment is few, is applicable to a large amount of production, be assembled into the step of filament by heater tab with locating means simple simultaneously, significantly save cost, make cost performance higher.
2, the utility model is more energy-conservation brighter, can realize the aobvious main flow performance indications requirement referring to two 80 of (CRI) 80, more than light efficiency 80LM/W when 3000K.
3, use safety environmental protection of the present utility model, and production operation environment also environmental protection.
4, the utility model can realize 360 degree of full angles luminescences, various light sources version, and heat conduction is fast, and good heat dissipation, can realize the room lighting service life of more than 30,000 hours in theory.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model 360 degree of bulbs;
Fig. 2 is the schematic diagram of the first heater tab with locating means of the present utility model;
Fig. 3 is the structure chart of the first filament of the present utility model;
Fig. 4 is the structure chart that termination fixed by the first filament of the present utility model;
Fig. 5 is the side view of electrode contact blade of the present utility model;
Fig. 6 is the schematic diagram of the second heater tab with locating means of the present utility model;
Fig. 7 is the structure chart of the second filament of the present utility model;
Fig. 8 is the structure chart that termination fixed by the second filament of the present utility model; With
Fig. 9 is the utility model the second 360 degree of bulbs.
Reference numerals list
Filament: 1 lamp holder: 2 lamp housings: 3
Heater tab with locating means: 4 LED chip: 10 heat-radiating substrates: 11
Copper conductor: 12 electrode slices: 13 line of rabbet joint: 14
Fluorophor: 15 thermal greases: 16 filament fixed heads: 20
Filament holddown groove: 21 electrode contact blades: 22 positive pole solder joints: 23
Negative pole solder joint: 24
Detailed description of the invention
Be described in detail below in conjunction with accompanying drawing.
Fig. 1 shows a kind of 360 degree of LED bulb, is made up of lamp holder 2, lamp housing 3 and filament 1.Lamp holder 2 is fixed termination, LED drive circuit and electrode tip by filament and is formed.Lamp housing 3 is the cavity vitreums having opening.As shown in Figures 2 and 3, filament 1 is made up of the single described heater tab with locating means 4 overlapped after the line of rabbet joint doubling be arranged on heater tab with locating means 4 surface.Or according to another preferred embodiment illustrated in fig. 6, filament 1 is made up of the multiple heater tab with locating means 4 bending rear combination along the line of rabbet joint be arranged on heater tab with locating means 4 surface.Filament 1 is inserted into filament and fixes on termination.Heater tab with locating means 4 is made up of multiple LED chip 10, heat-radiating substrate 11 and fluorophor 15.
The line of rabbet joint 14 to be arranged on heat-radiating substrate 11 and be provided with on the opposite face on surface of multiple LED chip.In the vertical symmetry axis that the line of rabbet joint 14 is positioned at heat-radiating substrate 11 or horizontal symmetry axis.
LED chip 10 is arranged on the surface of heat-radiating substrate 11 in series and/or in parallel one side.Fluorophor 15 covers on heat-radiating substrate 11 and fluorophor 15 wraps up the multiple LED chip 10 be arranged on heat-radiating substrate, as shown in Figure 3.
See Fig. 2 or Fig. 6, the surface of heat-radiating substrate 11 is provided with one in order to multiple LED chip 10 to be connected and/or the copper conductor 12 of parallel connection.The two ends of copper conductor 12 are electrically connected with two plate electrodes 13 on heat-radiating substrate respectively.Electrode 13 is arranged on the region fixing termination for being inserted into filament on heat-radiating substrate 11.
According to the preferred embodiment do not shown in figure, fluorophor 15 is made up of guarantor's type layer and fluorescence coating.Guarantor's type layer is arranged on separately on the surface of each LED chip 10, and is covered completely on the surface of LED chip 10.Fluorescence coating covers the surface of guarantor's type layer and covers on the heat-radiating substrate region between multiple LED chip 10 continuously, forms an entirety to make fluorescence coating.
Fluorescence coating is made up of high thixotropic LED glue.
See Fig. 4 or Fig. 8, filament fixed end head comprises filament fixed head 20, filament holddown groove 21 and electrode contact blade 22.Filament fixed head 20 is printed circuit board (PCB).The filament holddown groove 21 inserting geomery that described filament fixes the end of termination with described filament 1 and match is formed in the middle of filament fixed head 20.Filament fixed head 2 arranges positive pole solder joint 23, negative pole solder joint 24 and the pad equal with electrode contact blade 22 quantity.Electrode contact blade 22 is welded on the pad of filament fixed head 20 respectively.
According to the preferred embodiment do not shown in figure, filament fixed head 20 surface is provided with the wire equal with number of pads.One end of wire is conducted electricity with pad and is connected, and the other end of wire is connected with positive pole solder joint 23 or negative pole solder joint 24.Positive pole solder joint 23 and negative pole solder joint 24 are electrically connected with the positive output end of described LED drive circuit and negative output terminal that are arranged on lamp holder 2 inside respectively.
See Fig. 5, electrode contact blade 22 is the copper sheet of the rectangular shape of cross section.An elastic bumps 25 is formed at the outer surface of the perpendicular of electrode contact blade 22.On the pad that the horizontal plane that electrode contact blade 22 is not provided with elastic bumps 25 is welded on filament fixed head 20 and the sidewall of the perpendicular and filament holddown groove 21 that make to be provided with elastic bumps 25 remain in same perpendicular.In the mounted state, elastic bumps 25 conducts electricity with the electrode 13 be arranged on heat-radiating substrate 11 and is connected.
According to a preferred embodiment, filament fixed head 20 covers the reflective glue of one deck insulation.
According to not showing a preferred embodiment in figure, between the contact surface of the multiple heater tab with locating means 4 combined after bending along the line of rabbet joint be arranged on heater tab with locating means 4 surface, be provided with the heat dissipating layer be made up of thermal plastic insulation; Or be provided with by between the contact surface of the single heater tab with locating means 4 overlapped after the line of rabbet joint doubling be arranged on heater tab with locating means 4 surface the heat dissipating layer be made up of thermal plastic insulation.Particularly, see the single heater tab with locating means 4 of Fig. 2, heater tab with locating means 4 is along arranging the line of rabbet joint 14 symmetrical fold on the horizontal axis thus stroke filament 1, heat dissipating layer (not showing in figure) is provided with between the contact surface of heater tab with locating means 4 after folding, this heat dissipating layer has thermal plastic insulation to make, the heat transmission between heater tab with locating means can be accelerated, improve radiating efficiency further.Or, see Fig. 6, combine after multiple heater tab with locating means 4 is folding along the line of rabbet joint 14, thus form the filament 1 shown in Fig. 7, between the contact surface of multiple heater tab with locating means 4, be provided with the heat dissipating layer be made up of thermal plastic insulation.
Preparation process of the present utility model is described in detail below in conjunction with accompanying drawing.
The 360 degree of bulbs of the utility model as shown in Figure 1, the utility model is made up of lamp holder 2, lamp housing 3 and filament 1, wherein lamp holder is fixed termination, LED drive circuit and electrode tip by filament and formed, and filament is fixed termination in order to plug-in mounting filament 1 and is electrically connected with filament 1; LED drive circuit is arranged among lamp holder and its input is electrically connected with electrode tip, its output is fixed termination with filament and is electrically connected; The side of electrode tip be metal screw thread in order to whole bulb is screwed and is fixed on lamp socket, electrode tip is provided with positive and negative contact in order to be communicated with external power source.Particularly, LED drive circuit is Tsing Hua Tong Fang P1428B chip.
The heater tab with locating means of the first preferred embodiment of the present utility model as shown in Figure 2, the first heater tab with locating means 1 comprises multiple LED chip 10, heat-radiating substrate 11 and fluorophor 15.Particularly, LED chip 10 is surface mount LED, and heat-radiating substrate 11 is the metal substrate of the reflective high heat conductance of surface treated height in advance, as aluminium base or aluminium alloy base plate.Fluorophor 15 is the double-decker of the fluorescence coating be made up of guarantor's type layer and high thixotropic LED glue.Particularly, the fluorescence coating that the utility model relates to comprises fluorescent material, silicone based packaging plastic and thixotropic agent and forms.
The line of rabbet joint 14 to be arranged on heat-radiating substrate 11 and be provided with on the opposite face on surface of LED chip 10, use V-Cut technique to make the tiny V-type groove of.Under this preferred embodiment, in the horizontal symmetry axis being arranged on heat-radiating substrate 11 of the line of rabbet joint 14.When making filament, the heater tab with locating means described in Fig. 2 is folded along symmetry axis, the alignment of the heat-radiating substrate that two panels geomery is all identical is overlapped.
After the line of rabbet joint 14 makes, first the dust on heat-radiating substrate 11 is cleared up, again multiple LED chip 10 is directly mounted on the surface of heat-radiating substrate 11, and by copper conductor 12, the multiple LED chip being mounted on heat-radiating substrate 11 surface are welded according to the mode of series connection and/or parallel connection, form path.Copper conductor 12, with the welding process of LED chip 10, must ensure the electrical connection of copper conductor 12 and LED chip.And the head and the tail two ends of copper conductor enter two plate electrodes 13 that filament fixes the region of termination to be respectively electrically connected with the plug-in mounting being arranged on heat-radiating substrate, realize being electrically connected to make LED circuit and filament stiff end, particularly, whole welding process can be Reflow Soldering, can large batch ofly produce.
After LED circuit welding is complete, the region that heat-radiating substrate 11 is provided with LED chip arranges fluorophor 15, and fluorophor 15 mainly comprises guarantor's type layer and fluorescence coating.When arranging fluorophor 15, first need to protect the solder joint on chip and/or electrode and the process of guarantor's type.Can branch elargol be carried out at the solder joint of electrode, and make in elargol uniform fold electrode pads.LED chip is carried out high index (more than 1.52) independently guarantor's type point glue process, and make guarantor's type layer uniform fold LED chip on the surface and in parcel shape.Elargol on the solder joint of electrode and the guarantor's type layer in LED chip 10 in stable condition after, the fluorescence coating be made up of high thixotropic LED glue is put in the lump the surface being coated in guarantor's type layer and the heat-radiating substrate region be coated in continuously between multiple LED chip 10, and the high thixotropic LED glue of fluorescence coating forms an entirety, multiple LED chip 10 is included wherein.
By make above the line of rabbet joint 14, attachment LED chip 10, soldering copper wire 12 and fluorophor 15 is set step after, pass through along the line of rabbet joint 14 folded heater sheet again, the surface of the heat-radiating substrate 11 at the line of rabbet joint 14 place is overlapped, the structure of final formation the first filament of the present utility model as shown in Figure 3, wherein, between the faying surface of heater tab with locating means 4, one deck thermal grease can also be set, to promote further filament 4 radiating effect.
The structure of termination fixed by the first filament of the present utility model as shown in Figure 4, and lamp holder is fixed termination and comprised filament fixed head 20, filament holddown groove 21 and electrode contact blade 22.Described filament fixed head 20 is printed circuit board (PCB), and is provided with the wire of the relation of being fixedly connected with in its plate.Form by cutting in the middle of filament fixed head 20 the filament holddown groove 21 all mated with filament shape and size, therefore the filament holddown groove 21 on termination fixed by this filament is strips.
Going back processing and fabricating at filament fixed head 20 has positive pole solder joint 23, negative pole solder joint 24 and the pad equal with described electrode contact blade 22 quantity simultaneously.Positive pole solder joint 23 and negative pole solder joint 24 are undersized via holes, and via hole is connected with there being the wire of the relation of being fixedly connected with in filament fixed head 20.As shown in Figure 4, electrode contact blade 22 is arranged on filament fixed head 20, and electrode contact blade 22 is then by the pad solder equal with quantity with it, with on anchored filament fixed head 20.
In the diagram not shown filament fixed head 20 plate inside conductor be fixedly connected with relation, but its fixing annexation is: the quantity of wire is equal with the quantity of pad, one end of wire is conducted electricity with described pad and is connected, the other end of described wire is connected with positive pole solder joint 23 or negative pole solder joint 24, particularly, the quantity being connected to the quantity of positive pole solder joint 23 upper conductor and negative pole solder joint 24 upper conductor is equal; Simultaneously positive pole solder joint 23 and negative pole solder joint 24 are also electrically connected with the positive output end of LED drive circuit and negative output terminal that are arranged on lamp holder 2 inside respectively, being that LED circuit on filament 1 obtains stable driving voltage by LED drive circuit.
The side view of electrode contact blade of the present utility model as shown in Figure 5, wherein, electrode contact blade 22 is the copper sheet of right angle L-type, forms an elastic bumps 25 at the outer surface of the mutually perpendicular plane of electrode contact blade 22 simultaneously, and elastic bumps 25 is made by Sheet Metal Forming Technology and formed.When electrode contact blade 22 is welded on filament fixed head 20, the inner surface not being provided with the plane of elastic bumps 25 contacts with dish and is welded on the pad of filament fixed head 20.During welding, the sidewall of the right-angle side and filament holddown groove 21 being provided with elastic bumps 25 is remained in same perpendicular.In the mounted state, elastic bumps 25 conducts electricity with the electrode 13 be arranged on heat-radiating substrate 11 and is connected.And when filament 1 plug-in mounting gone out as shown in Figure 3 enters filament holddown groove 21, elastic bumps 25 on the end extruding electrode contact blade 22 of the insertion filament holddown groove 21 of filament 1, to make the end of the insertion filament holddown groove 21 of filament 1 obtain larger bounce pressure, thus filament 1 plug-in mounting is fixed in filament holddown groove 21.Elastic bumps 25 simultaneously on electrode contact blade and electrode 13 close contact in insertion filament holddown groove 21 region being positioned at filament 1, particularly, every pair of electrodes 13 separately contact one piece and positive pole solder joint 23 realizes the electrode contact blade 22 that the electrode contact blade 22 that is electrically connected and a piece and negative pole solder joint 24 realize being electrically connected, thus makes filament 1 and LED drive circuit realize being electrically connected.
Be fixed on after filament fixes termination at filament 1 plug-in mounting, the reflective glue covering one deck insulation can also be smeared on filament fixed head (20) upper surface, to increase light efficiency, also can play the effect of further anchored filament simultaneously.
The utility model be made up of the first filament 1 adopts fast electrically plug-in mounting structure, rapid-assembling between filament 1 and lamp holder 2 can be made and the equipment dropped into when making heater tab with locating means is few, be applicable to large batch of production, and it is luminous that its lighting effect can realize 360 degree of full angles, and heat conduction is fast, good heat dissipation, more energy-conservation.
The second heater tab with locating means of the present utility model as shown in Figure 6, the second heater tab with locating means 1 is by multiple LED chip 10, heat-radiating substrate 11 and fluorophor 15, particularly, LED chip 10 is surface mount LED, heat-radiating substrate 11 is the metal substrate of the reflective high heat conductance of surface treated height in advance, and fluorophor 15 is the double-decker be made up of guarantor's type layer and high thixotropic LED glue.
The line of rabbet joint 14 prepares to arrange on the opposite face on the surface of LED chip 10 on heat-radiating substrate 11, uses V-Cut technique to make the tiny V-type groove of, and the arranging on the vertical symmetry axis of heat-radiating substrate of the line of rabbet joint 14.
After the line of rabbet joint 14 makes, first the dust on heat-radiating substrate 11 is cleared up, again multiple LED chip 10 is directly mounted on the surface of heat-radiating substrate 11, and by copper conductor 12, the multiple LED chip being mounted on heat-radiating substrate 11 surface are welded according to the mode of series connection and/or parallel connection, form path, the circuit simultaneously arranged due to the line of rabbet joint 14 and copper conductor 12 has and intersects, and when heater tab with locating means is along the line of rabbet joint 2 bending fold, the copper conductor 12 intersected with the line of rabbet joint is easily made to fracture, therefore, in the region intersected with the line of rabbet joint 14, copper conductor 12 is changed and do conductive copper sheet and access LED circuit, thus ensure LED circuit at heater tab with locating means along not frangibility during the line of rabbet joint 2 bending fold.
Copper conductor 12, with the welding process of LED chip 10, must ensure the electrical connection of copper conductor 12 and LED chip.And the head and the tail two ends of copper conductor are electrically connected with two plate electrodes 13 be arranged on heat-radiating substrate respectively, realize being electrically connected to make LED circuit and filament stiff end.
After LED circuit connection is complete, the region that heat-radiating substrate 11 is provided with LED chip arranges fluorophor 15, and fluorophor 15 mainly comprises guarantor's type layer and fluorescence coating; When fluorophor 15 is set; first need to protect the solder joint on chip and electrode and the process of guarantor's type; so can branch elargol be carried out at the solder joint of electrode; and make in elargol uniform fold electrode pads; in LED chip, carry out again high index (more than 1.52) independently guarantor's type point glue process, and make guarantor's type layer uniform fold in LED chip and in parcel shape.The fluorescence coating having high thixotropic LED glue to make is put the surface being coated in guarantor's type layer and is not provided with on the region of LED chip on heat-radiating substrate after stablizing by the elargol on the solder joint of electrode and the guarantor's type layer state in LED chip 10 in the lump.
By making the line of rabbet joint 14 above, attachment LED chip 10, soldering copper wire 12 and fluorophor 14 is set step after, select 3 the second heater tab with locating means as shown in Figure 6 and each heater tab with locating means is bent along the line of rabbet joint 14, particularly, two planes of symmetry split by the line of rabbet joint form the angle of 240 degree, again by 3 the second heater tab with locating means combinations, two planes of symmetry that each the second heater tab with locating means is split by the line of rabbet joint are alignd with the wherein one side of two planes of symmetry that two other the second heater tab with locating means is split by the line of rabbet joint respectively overlap, thus form a trident filament as shown in Figure 7.Wherein, between the coincidence face of three the second heater tab with locating means, one deck thermal grease can also be set, to promote the radiating effect of trident filament.
The structure of termination fixed by the second filament of the present utility model as shown in Figure 8, and the difference between the structure that termination fixed by the second filament structure of fixing termination and the first filament is that the shape of filament holddown groove 21 is that the quantity of Y-shaped, electrode contact blade 22 and pad is different.Its essence annexation, position relationship and effect are all identical, repeat no more herein.
The 360 degree of bulbs of the second of the present utility model as shown in Figure 9, wherein, filament 1 is trident filament, compared to the first 360 degree of bulb of the present utility model, the filamentray structure that the second of the present utility model 360 degree of bulbs adopt makes it have higher luminous efficiency, better thermal diffusivity.
It should be noted that; above-mentioned specific embodiment is exemplary; those skilled in the art can find out various solution under the inspiration of the disclosure of invention, and these solutions also all belong to open scope of the present invention and fall within protection scope of the present invention.It will be understood by those skilled in the art that description of the present invention and accompanying drawing thereof are illustrative and not form limitations on claims.Protection scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. 360 degree of LED bulb, by lamp holder (2), lamp housing (3) and filament (1) are formed, it is characterized in that, described lamp holder (2) fixes termination by filament, LED drive circuit and electrode tip are formed, described lamp housing (3) is a cavity vitreum having opening, described filament (1) is by bending the multiple described heater tab with locating means (4) of rear combination along the line of rabbet joint be arranged on heater tab with locating means (4) surface or being made up of the single described heater tab with locating means (4) overlapped after the line of rabbet joint doubling be arranged on heater tab with locating means (4) surface, and described filament (1) is inserted into described filament to be fixed on termination, wherein, described heater tab with locating means is made up of multiple LED chip (10), heat-radiating substrate (11) and fluorophor (15).
2. 360 degree of LED bulb according to claim 1, it is characterized in that, the described line of rabbet joint (14) be arranged on described heat-radiating substrate (11) upper and be provided with on the opposite face on surface of some described LED chip, and in the described line of rabbet joint (14) the vertical symmetry axis that is positioned at described heat-radiating substrate (11) or horizontal symmetry axis.
3. 360 degree of LED bulb according to claim 1, it is characterized in that, some described LED chip (10) are arranged on the surface of described heat-radiating substrate (11) in series and/or in parallel one side, and described fluorophor (15) covers that described heat-radiating substrate (11) is upper and described fluorophor (15) wraps up the multiple described LED chip (10) be arranged on described heat-radiating substrate.
4. 360 degree of LED bulb as claimed in claim 3, it is characterized in that, the surface of described heat-radiating substrate (11) is provided with one in order to the copper conductor (12) by multiple described LED chip (10) series connection and/or parallel connection, and the two ends of described copper conductor (12) are electrically connected with two plate electrodes (13) on described heat-radiating substrate respectively, wherein, described electrode (13) is arranged on the region fixing termination for being inserted into described filament on described heat-radiating substrate (11).
5. 360 degree of LED bulb according to claim 3, it is characterized in that, described fluorophor (15) is made up of guarantor's type layer and fluorescence coating, described guarantor's type layer is arranged on the surface of each described LED chip (10) individually, and is covered completely on the surface of described LED chip (10); Described fluorescence coating covers the surface of described guarantor's type layer and covers on the heat-radiating substrate region between multiple described LED chip (10) continuously, forms an entirety to make described fluorescence coating.
6. 360 degree of LED bulb according to claim 1, it is characterized in that, described filament fixed end head comprises filament fixed head (20), filament holddown groove (21) and electrode contact blade (22), wherein, described filament fixed head (20) is printed circuit board (PCB), the filament holddown groove (21) that the end shape size that formation and described filament (1) are provided with electrode (12) in the middle of described filament fixed head (20) matches, and described filament fixed head (2) arranges positive pole solder joint (23), negative pole solder joint (24) and the pad equal with described electrode contact blade (22) quantity, described electrode contact blade (22) is welded on the pad of described filament fixed head (20) respectively.
7. 360 degree of LED bulb according to claim 6, it is characterized in that, described filament fixed head (20) is provided with the wire equal with described number of pads, one end of described wire is conducted electricity with described pad and is connected, and the other end of described wire is connected with described positive pole solder joint (23) or described negative pole solder joint (24); The positive output end of the described LED drive circuit that described positive pole solder joint (23) and negative pole solder joint (24) are inner with being arranged on described lamp holder (2) respectively and negative output terminal are electrically connected.
8. 360 degree of LED bulb according to claim 7, it is characterized in that, the copper sheet that described electrode contact blade (22) is the rectangular shape of cross section, and form an elastic bumps (25) at the outer surface of the perpendicular of described electrode contact blade (22), wherein, on the pad that the horizontal plane that described electrode contact blade (22) is not provided with elastic bumps (25) is welded on described filament fixed head (20) and the sidewall of the perpendicular and described filament holddown groove (21) that make to be provided with elastic bumps (25) remains in same perpendicular, in the mounted state, described elastic bumps (25) conducts electricity with the electrode (13) be arranged on described heat-radiating substrate (11) and is connected.
9. 360 degree of LED bulb according to claim 7, is characterized in that, the upper reflective glue covering one deck insulation of described filament fixed head (20).
10. according to degree LED bulb of 360 one of claim 1 to 9 Suo Shu, it is characterized in that, between the contact surface of the multiple described heater tab with locating means (4) combined after bending along the line of rabbet joint be arranged on described heater tab with locating means (4) surface, be provided with the heat dissipating layer be made up of thermal plastic insulation; Or
The heat dissipating layer be made up of thermal plastic insulation is provided with by between the contact surface of the single described heater tab with locating means (4) overlapped after the line of rabbet joint doubling be arranged on described heater tab with locating means (4) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858894.3U CN204387746U (en) | 2014-12-30 | 2014-12-30 | A kind of 360 degree of LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858894.3U CN204387746U (en) | 2014-12-30 | 2014-12-30 | A kind of 360 degree of LED bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204387746U true CN204387746U (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420858894.3U Expired - Fee Related CN204387746U (en) | 2014-12-30 | 2014-12-30 | A kind of 360 degree of LED bulb |
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| CN (1) | CN204387746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017028329A1 (en) * | 2015-08-17 | 2017-02-23 | 苏州汉克山姆照明科技有限公司 | Omnidirectional light emitting lamp having foldable light panel |
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2014
- 2014-12-30 CN CN201420858894.3U patent/CN204387746U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017028329A1 (en) * | 2015-08-17 | 2017-02-23 | 苏州汉克山姆照明科技有限公司 | Omnidirectional light emitting lamp having foldable light panel |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20161230 |