CN203656652U - Omnibearing LED (Light Emitting Diode) lamp bulb - Google Patents
Omnibearing LED (Light Emitting Diode) lamp bulb Download PDFInfo
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- CN203656652U CN203656652U CN201320866725.XU CN201320866725U CN203656652U CN 203656652 U CN203656652 U CN 203656652U CN 201320866725 U CN201320866725 U CN 201320866725U CN 203656652 U CN203656652 U CN 203656652U
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Abstract
The utility model discloses an omnibearing LED (Light Emitting Diode) lamp bulb, which consists of a sealed lightening bulb shell, a sealing part for an opening in the bottom of the sealed lightening bulb shell, a lightening module and a lamp cap which is connected to the bottom of the sealing part, wherein the lightening module is a strip-type LED lamp filament and is vertically mounted above the sealing part; a gas pipe is arranged in the sealing part; the strip-type LED lamp filament is connected with a supply lead contact of the sealing part by a connecting lead; heat dissipation protection gas is filled in the sealed lightening bulb shell. The gas with low viscosity and high thermal conductivity is used for filling for heat dissipation, and the light LED lamp bulb with a 360-degree omnibearing illumination effect and an ideal heat dissipation effect is obtained.
Description
Technical field
The utility model belongs to lighting field, relates to a kind of LED light fixture, particularly a kind of LED of omnidirectional bulb.
Background technology
Based on the consideration of energy-conserving and environment-protective, incandescent lamp is abandoned by people gradually.And the feature such as LED bulb has that the life-span is long, light efficiency is high, radiationless and shock resistance is progressively replacing incandescent lamp.
But, there is directive property because LED light source self is luminous, even if the light sending is after the diffusion of diffusion shell, compared with conventional incandescent lamp source that can omnirange luminous intensity distribution, the luminous intensity distribution angle of existing LED candle lamp still seems very narrow, luminous intensity distribution angle is generally all below 120 °, and light can not reach the back of lamp, can form shadow.
At present, although there are some LED bulb lamps can accomplish that wide-angle light distributes, use a large amount of optical elements such as reflector, lens, installed larger diffusing globe cell-shell.But using this kind of mode one is that LED light efficiency is reduced, the 2nd, make LED bulb need to greatly reduce heat-dissipating space in the time maintaining alternative form, thereby while making LED work, temperature can be in any more, LED power cannot be done greatly.Meanwhile, existing large-angle LED bulb lamp all needs to use diffusion shell to carry out astigmatism, and illuminating effect and traditional incandescent lamp also have larger gap.
In recent years, along with emerging in large numbers and the progress of semiconductor fabrication process of new material, there is the luminous LED filament of Liao Neng omnidirectional, can be luminous within the scope of 360 degree, but this kind of filament is because luminous quantity is large, therefore produce amount of heat, need heat radiation in time, the radiator of existing LED bulb is generally made up of metal or pottery, and weight is heavier, easily fall or rupture, thering is larger potential safety hazard.
Utility model content
Limited for overcoming existing LED lamp luminescence angle, caloric value is large, and the technological deficiency of heat abstractor heaviness the utility model discloses a kind of LED of omnidirectional bulb.
The LED of omnidirectional bulb described in the utility model; formed by the lamp holder bottom sealing, illuminating module and the connection sealing of sealed light emitting cell-shell, the luminous cell-shell bottom opening of close encapsulation; described illuminating module is bar-shaped LED filament; vertically be arranged on sealing top; in sealing, be provided with tracheae; described bar-shaped LED filament is connected with the power supply lead wire contact of sealing by connecting wire, and described sealed light emitting cell-shell inside is filled with heat radiation protection gas.
Preferably, also comprise stem stem, described stem stem is vertically arranged on sealing top, described illuminating module comprises many bar-shaped LED filaments, described stem stem top is fixed with the first connection wire, described first connects wire is also connected with described bar-shaped LED filament upper end, and described bar-shaped LED filament lower end is also connected with the second connection wire, is connected with the power supply lead wire contact of sealing by the second connection wire; Described many bar-shaped LED filaments are symmetrical around stem stem axis, and between each bar-shaped LED filament and stem stem axis, angle is acute angle.
Preferably, between described bar-shaped LED filament and stem stem axis, angle is 10-55 degree.
Preferably, described stem stem top has the metal contact that is fixedly connected on stem stem inside, and described first connects wire is connected with metal contact with welding manner.
Preferably, illuminating module comprises two bar-shaped LED filaments, and two bar-shaped LED filament lower ends connect respectively the power supply lead wire contact of a sealing.
Preferably, described stem stem bottom is provided with radiation support, and described radiation support has multiple extended legs, and described radiation mid-stent has retainer ring, and described Fixing shrink ring is below stem stem.
Preferably, described heat radiation protection gas atmosphere is 1.1-1.5 MPa.
Preferably, described heat radiation protection gas is hydrogen and helium mix gas, and hydrogen volume accounting is 5%.
Preferably, comprise at least four bar-shaped LED filaments, connect with connection in series-parallel mixed form by connecting wire.
Preferably, also comprise the hollow sleeve being connected between sealing and lamp holder.
Adopt the LED of omnidirectional bulb described in the utility model, the utility model radiator heavy in LED bulb and that be in the light that discards tradition, utilize the gas filling of low viscosity, high thermal conductivity to dispel the heat, simultaneously by utilizing the LED bar shaped filament light sources of comprehensive bright dipping, and reasonably optimize its spatial arrangement in cell-shell, obtain that a kind of quality is light, the all-round optical illumination of 360 degree, dispel the heat LED bulbs desirable.
Accompanying drawing explanation
Fig. 1 is the utility model the first specific embodiment structural representation;
Fig. 2 is the distribution curve flux of the specific embodiment shown in Fig. 1;
Fig. 3 is the utility model the second specific embodiment structural representation;
Fig. 4 is the distribution curve flux of the specific embodiment shown in Fig. 3;
Coordinate in Fig. 2 and Fig. 4 on circumference represents space angle, and the coordinate on circle diameter represents brightness, and unit is lumen;
In figure, Reference numeral name is called: 1-sealed light emitting cell-shell 2-illuminating module 3-stem stem 4-power supply lead wire 5-lamp holder 6-driver 7-bar-shaped LED filament 8-the first connecting line 9-metal contact 10-radiation support 11-sealing 12-heat radiation protection gas 13-blast pipe.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
The LED of omnidirectional bulb described in the utility model; formed by the lamp holder 5 bottom sealing 11, illuminating module and the connection sealing of sealed light emitting cell-shell 1, the luminous cell-shell bottom opening of close encapsulation; described illuminating module is bar-shaped LED filament 7; vertically be arranged on sealing top; in sealing, be provided with tracheae; described bar-shaped LED filament is connected with the power supply lead wire contact of sealing by connecting wire, and described sealed light emitting cell-shell inside is filled with heat radiation protection gas 12.
Lamp holder is used for connecting civil power or other power supplys, described bar-shaped LED filament is the LED strip source with comprehensive bright dipping, external power source goes between through sealing, above sealing, form two contacts, the both positive and negative polarity of bar-shaped LED filament is connected with two contacts by connecting wire, when installation, pack illuminating module and sealing entirety into sealed light emitting cell-shell, utilize blast pipe to be inwardly filled with heat radiation protection gas, inner air is extruded simultaneously, make cell-shell inside be full of the heat radiation protection gas of certain air pressure, heat radiation protection gas can choice for use hydrogen and noble gas mixtures, the inert gas of preferably selecting is helium, helium gas molecules amount and hydrogen are the most approaching, when mixing, the two mass density is approximate, mix more even, can play best heat-conducting effect, experimental results show that, when the accounting of hydrogen is 5%, can obtain good cooling curve, continue to increase hydrogen accounting, radiating effect improves not obvious, but dangerous increasing, hydrogen, helium or other purity inert gas select common 99.999%.The pressure drop of described heat radiation protection gas is general to be approached with atmospheric pressure, for preventing that infiltration of external air is oxidized, can be arranged on 1.1-1.5 MPa a little more than atmospheric atmospheric pressure value.Described sealed light emitting cell-shell model can be A type cell-shell, G type cell-shell, P type cell-shell, Type B cell-shell, C type cell-shell, T-shaped cell-shell etc.; Described lamp holder model can be E type, Type B, GU type, GX type, GZ type etc.
The utility model adopts LED filament as light source, obtained wide-angle, homogeneity good go out optical range, using gas as heat-conducting medium, solved the large problem of LED filament light-emitting heat, save heavy heat abstractor, structure is light, reduce production cost, overcome potential safety hazard.
Below provide the embodiment of another employing Multi-filament of the present utility model, in the present embodiment, the described LED of omnidirectional bulb, also comprise stem stem 3, described stem stem is vertically arranged on sealing top, described illuminating module comprises many bar-shaped LED filaments 7, described stem stem top is fixed with the first connection wire 8, described first connects wire is also connected with described bar-shaped LED filament 7 upper ends, described bar-shaped LED filament lower end is also connected with the second connection wire, is connected with the power supply lead wire contact of sealing by the second connection wire; Described many bar-shaped LED filaments are symmetrical around stem stem 3 axis, and between each bar-shaped LED filament and stem stem axis, angle is acute angle.
Stem stem is fixed on sealing top, be used for supporting each bar-shaped LED filament, stem stem is generally ceramic material, be fixedly connected with each filament for convenience of stem stem top, can the metal contact 9 that be fixedly connected on stem stem inside be set at stem stem top, metal contact can be an one metal wire or metal cylinder, and first connects wire bonds in metal contact, metal contact can be one or more, makes each filament top mutual insulating.Second connects wire is connected between filament bottom and power supply lead wire contact, those skilled in the art connect wire by first and are connected wire with second, for example utilize star or radiation line, can realize each filament and all between two power supply lead wire contacts, form current loop.The luminosity of LED is directly proportional to the size of current that flows through LED, for obtaining the luminosity of homogeneous, can adopt the mode of being connected in series, but the risk that series system causes is any one LED opens circuit that all LED are all not luminous, for four or four above bar-shaped LED filaments, can connect with connection in series-parallel mixed form by connecting wire.For example, to four filaments, the connected mode in parallel of can first connecting between two again, two filaments that are connected on same branch road form symmetrical in spatial distribution, weaken the possible electric current differences of two parallel branches and cause the visual effect of brightness disproportionation.
When the axis angle angle of filament and stem stem increases, can be in higher brightness and the illumination uniformity of the positive acquisition of light fixture, but angle increase is unfavorable for assembling, in practical application, the projecting section that the opening size of cell-shell has limited illuminating module amasss, for example, two kinds of specific embodiment in Fig. 1 and Fig. 3, the opening part size of sealed light emitting cell-shell is less than the sectional area of cell-shell main body, in the time that the angle of filament and stem stem increases, each filament and stem stem increase apart from the size of farthest, in assembling process, need to be in advance by filament, stem stem is put into cell-shell inside after being assembled into complete illuminating module again, therefore the maximal projection area of illuminating module should be less than the opening part size of cell-shell, therefore the angle of filament and stem stem axis is limited within the scope of 10-55 degree conventionally.
For example, to the A60 type cell-shell in Fig. 1, adopting sealed light emitting cell-shell model is A60 type cell-shell, built-in four bar-shaped LED filaments, and filament and stem stem axis are 18 ° of angles, and described lamp holder model is E27.The weight of candle bulb is 42g, and lighting angle reaches 300 degree, and distribution curve flux as shown in Figure 2.The positive back that wherein orientation at zero luminance place is light fixture.
In the embodiment of Fig. 3, adopting sealed light emitting cell-shell model is B35 type cell-shell, built-in two bar-shaped LED filaments, and filament and stem stem axis are 13 ° of angles, and described lamp holder model is E27.The weight of candle bulb is 30g, and lighting angle reaches 300 degree, and distribution curve flux as shown in Figure 4.
What sealing stretched out conventionally is all the wire that possesses certain mechanical strength for connecting the lead-in wire contact of external power source, when only using two bar-shaped LED filaments, can directly use two power supply lead wire contacts of sealing as the supported underneath part of filament, in being supported, realize current loop connection.For the situation with more than three filament, can radiation support 10 be set in described stem stem bottom, described radiation support has multiple extended legs, and described radiation mid-stent has retainer ring, and described Fixing shrink ring is below stem stem 3.For example, as the embodiment in Fig. 1, light fixture has four filaments, can use a stainless steel metal wire o ing to be similar to the shape of spring, middle vacancy in the middle of spring is retainer ring, be enclosed within stem stem below, two free ends wiry stretch out and form two extended legs, and for supporting two filaments, another two filaments can still be supported by power supply lead wire contact.Also can make a kind of prefabricated component, centre is becket, and becket outside is welded with multiple outward extending wires as extended leg, by metal ring in stem stem bottom.
Previously described is each preferred embodiment of the present utility model, preferred embodiment in each preferred embodiment is if not obviously contradictory or take a certain preferred embodiment as prerequisite, each preferred embodiment arbitrarily stack combinations is used, design parameter in described embodiment and embodiment is only the utility model proof procedure for clear statement utility model people, not in order to limit scope of patent protection of the present utility model, scope of patent protection of the present utility model is still as the criterion with its claims, the equivalent structure that every utilization description of the present utility model and accompanying drawing content are done changes, in like manner all should be included in protection domain of the present utility model.
Claims (10)
1. the LED of omnidirectional bulb; it is characterized in that; formed by the lamp holder bottom sealing (11), illuminating module (2) and the connection sealing of sealed light emitting cell-shell (1), the luminous cell-shell bottom opening of close encapsulation; described illuminating module (2) is bar-shaped LED filament (7); vertically be arranged on sealing top; in sealing, be provided with tracheae (13); described bar-shaped LED filament (7) is connected with power supply lead wire (4) contact of sealing by connecting wire, and described sealed light emitting cell-shell inside is filled with heat radiation protection gas (12).
2. the LED of omnidirectional bulb as claimed in claim 1, it is characterized in that, also comprise stem stem (3), described stem stem is vertically arranged on sealing top, described illuminating module comprises many bar-shaped LED filaments (7), and described stem stem top is fixed with the first connection wire (8), and described first connects wire is also connected with described bar-shaped LED filament (7) upper end, described bar-shaped LED filament lower end is also connected with the second connection wire, is connected with the power supply lead wire contact of sealing by the second connection wire; Described many bar-shaped LED filaments are symmetrical around stem stem (3) axis, and between each bar-shaped LED filament and stem stem axis, angle is acute angle.
3. a kind of LED of omnidirectional bulb as claimed in claim 2, is characterized in that, between described bar-shaped LED filament and stem stem axis, angle is 10-55 degree.
4. a kind of LED of omnidirectional bulb as claimed in claim 2, is characterized in that, described stem stem top has the metal contact (9) that is fixedly connected on stem stem inside, and described first connects wire (8) is connected with metal contact with welding manner.
5. a kind of LED of omnidirectional bulb as claimed in claim 2, is characterized in that, illuminating module comprises two bar-shaped LED filaments, and two bar-shaped LED filament lower ends connect respectively power supply lead wire (4) contact of a sealing.
6. a kind of LED of omnidirectional bulb as claimed in claim 2, it is characterized in that, described stem stem bottom is provided with radiation support (10), and described radiation support has multiple extended legs, described radiation mid-stent has retainer ring, and described Fixing shrink ring is in stem stem (3) below.
7. a kind of LED of omnidirectional bulb as claimed in claim 1 or 2, is characterized in that, described heat radiation protection gas atmosphere is 1.1-1.5 MPa.
8. a kind of LED of the omnidirectional bulb as described in claim 1 or 2, is characterized in that, described heat radiation protection gas is hydrogen and helium mix gas, and hydrogen volume accounting is 5%.
9. a kind of LED of omnidirectional bulb as claimed in claim 2, is characterized in that, comprises at least four bar-shaped LED filaments, connects with connection in series-parallel mixed form by connecting wire.
10. a kind of LED of omnidirectional bulb as claimed in claim 1 or 2, is characterized in that, also comprises the hollow sleeve being connected between sealing (11) and lamp holder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320866725.XU CN203656652U (en) | 2013-12-26 | 2013-12-26 | Omnibearing LED (Light Emitting Diode) lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320866725.XU CN203656652U (en) | 2013-12-26 | 2013-12-26 | Omnibearing LED (Light Emitting Diode) lamp bulb |
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| Publication Number | Publication Date |
|---|---|
| CN203656652U true CN203656652U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320866725.XU Expired - Fee Related CN203656652U (en) | 2013-12-26 | 2013-12-26 | Omnibearing LED (Light Emitting Diode) lamp bulb |
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| Country | Link |
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| CN (1) | CN203656652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3190616A1 (en) * | 2016-01-06 | 2017-07-12 | Shandong Prosperous Star Optoelectronics Co., Ltd | A led light with omnidirectional light distribution |
| CN106989296A (en) * | 2017-03-31 | 2017-07-28 | 浙江金陵光源电器有限公司 | A kind of gas cooling LED filament lamp and its processing technology |
-
2013
- 2013-12-26 CN CN201320866725.XU patent/CN203656652U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3190616A1 (en) * | 2016-01-06 | 2017-07-12 | Shandong Prosperous Star Optoelectronics Co., Ltd | A led light with omnidirectional light distribution |
| CN106989296A (en) * | 2017-03-31 | 2017-07-28 | 浙江金陵光源电器有限公司 | A kind of gas cooling LED filament lamp and its processing technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140618 Termination date: 20171226 |