CN104832803B - Inflatable LED bulb - Google Patents
Inflatable LED bulb Download PDFInfo
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- CN104832803B CN104832803B CN201510137273.5A CN201510137273A CN104832803B CN 104832803 B CN104832803 B CN 104832803B CN 201510137273 A CN201510137273 A CN 201510137273A CN 104832803 B CN104832803 B CN 104832803B
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- plug
- stem
- led
- filling channel
- storing cavity
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Abstract
The present invention relates to LED bulb.A kind of inflatable LED bulb, including cell-shell, stem, LED, lamp holder and LED driver, cell-shell and stem surround air storing cavity, stem is provided with the filling channel with air storing cavity connection, plug provided with open position jack, driving plug seals up the first spring of filling channel, the latch being plugged in open position jack, floating chamber and the floating plug for moving and driving latch to be extracted from open position jack by the pressure effect of the gas in air storing cavity, floating plug sealing is slidably connected in floating chamber, floating chamber is divided into the atrium that annular seal space connects with same air storing cavity by floating plug, atrium is located at floating plug towards latch side.The advantages of being disconnected automatically when the heat of the invention that there is LED to pass to stem is few, the uniform, air pressure inside of radiating reaches setting value, the heat for solve the problems, such as that existing LED bulb heat dissipation uniformity is poor, shedding is big to LED driver stability influence.
Description
Technical field
The present invention relates to LED bulb, more particularly to a kind of inflatable LED bulb and preparation method thereof, belong to lighting field.
Background technology
Due to LED have the advantages that small volume, power consumption are low, service life is long, high brightness, environmental protection and sturdy and durable,
It is widely used in light fixture.
Wherein the structure type of LED bulb is that the heat transfer body that one end is located in cell-shell is installed on lamp holder（Stem）,
LED is installed on the inner of stem.
It is CN101893180A in Chinese patent application publication No., it is public in the patent document of entitled " a kind of LED bulb "
A kind of LED bulb is opened, the bulb in the patent includes lamp holder, lamp socket, lampshade, radiator and the driving in radiator
Device, is provided with independent small light-emitting zone on bulb, and small light-emitting zone is by being arranged on the independence of the one end of radiator away from lamp holder
Radiator and LED light source component on independent radiator are formed with reflection shield, and lampshade connection is on a heat sink and by institute
The independent small light-emitting zone having all covers on together.Independent small light-emitting zone in the patent is placed in top and the arrangement of bulb
In periphery, so that light irradiates to surrounding, radiator is between light-emitting zone and lamp holder.
It is CN201636612U in Chinese patent Authorization Notice No., the patent of entitled " novel high-efficiency cooling LED bulb "
A kind of LED bulb is also disclosed that in document, the bulb in the patent includes the lamp holder and cell-shell to link together, is set in cell-shell
The stem that an outer end links together with lamp holder is equipped with, stem is prismatic, and LED is located at cell-shell inside points installed in stem
On each surface.In order to increase radiating effect, ceramic block is provided between cell-shell and lamp holder to aid in lamp holder to be radiated.
Existing LED bulb is all analogous to the structure type disclosed in above-mentioned two patent document, exist it is following not
Foot：Illumination region is all the front upper place region of lamp holder, is uprightly installed lower in the lamp holder of bulb and requires that light shines downwards
The light fixture penetrated（Such as floor lamp）In in use, very dark in the larger region in light fixture periphery, namely light angle is small；Radiating
All it is to be carried out by lamp holder and stem, and lamp holder is connected on light fixture and is located at light fixture connection member in actual use
For internal namely lamp holder in totally-enclosed or semi-enclosed state, the effective area of thermal component and air contact is less
And the poor fluidity of the air on thermal component periphery, cause that the heat-sinking capability of bulb is poor, service life is short, heat caused by LED
Stem is fully relied on to lose, heat can influence the stability of LED driver that is installed in lamp holder；Heat dissipation uniformity is poor；
Structural compactness is poor.
The content of the invention
The present invention first purpose aim to provide a kind of LED pass to stem heat it is few, radiating uniformly, air pressure inside
The inflatable LED bulb and preparation method that can be disconnected automatically when reaching setting value, it is uniform to solve existing LED bulb radiating
The problem of property heat that is poor, shedding is big to LED driver stability influence.
Second purpose of invention is further intended to provide a kind of light angle big inflatable LED bulb, solves existing
The problem of some LED bulb light angles is small
Above technical problem is that solved by following technical proposal：A kind of inflatable LED bulb, including cell-shell, stem,
LED, lamp holder and the driving LED LED driver, the cell-shell and stem surround air storing cavity, and the LED passes through the stem
It is suspended in the air storing cavity, the stem is provided with the filling channel with air storing cavity connection, blocking up provided with open position jack
Head, driving plug seal up the first spring of the filling channel, the latch being plugged in open position jack, floating chamber and by institute
The floating plug stated the pressure effect of the gas in air storing cavity and move and drive latch to be extracted from open position jack, the floating plug are close
Envelope is slidably connected in the floating chamber, and the floating chamber is divided into the opening that annular seal space connects with the air storing cavity by the floating plug
Chamber, the atrium are located at the floating plug towards the latch side.Heat caused by LED is mainly through dissipating in cell-shell during use
Hot gas loses, therefore it is relatively low to pass to ratio of the stem through stem dispersed heat, so as to reduce heat caused by LED
Influence to LED driver.Radiated by gas, without radiator so that lamp holder and cell-shell can be connected directly between one
Rise（Overlap）, laid a good foundation for the realization of structural compactness；Gas heat dissipation uniformity is good.Work as lamp in manufacturing process
When the air pressure of gas in bubble reaches setting value, plug can self-closed filling channel, it is convenient during inflation, air pressure inside value
Accuracy is high.It is in jack that latch, which can rely on deadweight or the other power of latch and floating plug and be inserted into unlatching,.
Preferably, the moving direction of the plug intersects with the bearing of trend of the filling channel.Air pressure during inflation
Interference when closing up to plug is small, and plug much sooner rapidly can separate filling channel, and cut-off is in time then in air storing cavity
Air pressure accuracy it is high.Air pressure accurately then enables to the radiating effect of bulb more to meet design requirement.
Preferably, the filling channel is provided with the annular snap for plug insertion along filling channel circumferentially extending
Groove, the neck are tightly connected by side wall with the plug.More effectively it can prevent plug from disengaging, good reliability.
Preferably, setting flexible storage glue tank in the neck, the side wall of the neck is provided with along the filling channel
Circumferentially extending annular seal groove, the storage glue tank is provided with the glue discharging mouth with seal groove connection.When plug closes up, block up
Head can extrude storage glue tank and cause glue is flowed into seal groove, after the adhesive curing in seal groove by plug with stem seal be fixed in
Together.Plug is enabled to more reliably to separate filling channel.Prevent bulb state produces from changing or being produced when receiving vibration
Raw gas leak phenomenon, gas leakage can then influence the radiating effect of bulb.
Preferably, the seal groove is located at the lateral wall of the neck, the madial wall of the neck is provided with sealing ring.Energy
Enough prevent that gas is flowed into inflatable chamber caused by sealing glue solidifying.Can if gas caused by solidification enters air storing cavity
The purity of radiating gas is influenceed, radiating gas purity, which declines, can then cause radiating effect to decline.Therefore the technical scheme enables to
The radiation stability of bulb is good.
Preferably, when filling channel is in opening, the storage glue tank and plug are distributed in shifting of the neck along plug
The both ends in dynamic direction.It can ensure that glue does not overflow in air storing cavity and influences the purity of radiating gas in air storing cavity.
The latch is driven to be inserted into the second spring in the open position jack preferably, the floating chamber is provided with.Energy
Enough convenience improved when making.When being made if by deadweight insertion latch and floating plug must be made to be located at open position jack
Top.
Present invention additionally comprises substrate, the substrate is connected to the inner of the stem, the same institute of substrate by link
State the separated of stem, the LED is installed on the substrate, and the surface of the cell-shell is provided with light diffusion layer, in the air storing cavity
Filled with radiating gas, the air pressure in air storing cavity is more than 1 standard atmospheric pressure, in the center line of the stem and the substrate
The angle of heart line is less than 15 °.Substrate is attached by link with stem, LED heat can either be avoided to pass to stem
Amount while stem nor affect on LED radiating.Cell-shell surface sets light diffusion layer, it is possible to increase the illumination angle and light extraction of bulb
It is soft.The angle of the center line of stem and the center line of substrate having the beneficial effect that less than 15 °：Stem is assembled one with bulb
Uniformity that is convenient and can making the circumferential brightness of bulb is good when rising.
Preferably, the opening direction line of described filling channel the inner passes through the substrate, the substrate is provided with described
The relief hole of the inner alignment of filling channel.It can either ensure the center of gravity of bulb and geometric center essentially coincides, to prevent bulb from connecting
Produced when being connected to lamp socket along the distortion power of lamp holder axial direction and cause connection screw thread to produce eccentric wear, and can enough avoids inflating in cell-shell
When air-flow impulsive force direct projection to substrate and produce electrical equipment bad phenomenon and mechanically connect loosening.
A kind of preparation method of inflatable LED bulb, comprises the following steps：
The first step, the inner that LED is connected to stem；
Second step, stem the inner worn in cell-shell so that LED is suspended in cell-shell, stem outer end is sealed with cell-shell
Link together, cell-shell and stem surround air storing cavity；Before second step, latch is inserted in open position jack and causes plug position
It is connected in open position namely air storing cavity by filling channel with cell-shell exterior space；
3rd step, through filling channel air storing cavity is vacuumized；
4th step, through filling channel by radiate gas be injected into air storing cavity, when the pressure in air storing cavity rises to setting
During value, the gas in air storing cavity causes latch to be extracted from open position jack to thrust caused by floating plug, and the first Spring driving blocks up
Head is mobile towards filling channel and make it that plug separates filling channel, and the result of cut-off forms the chamber of a closing for air storing cavity
Body；
5th step, fit on LED driver；
6th step, fit on lamp holder.
Present invention tool has the advantage that：By radiating, gas radiates, and can reduce heat caused by LED to LED driver
Influence, heat dissipation uniformity is good, and it is setting value that the air pressure in air storing cavity can be easily made in manufacturing process.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is schematic diagram when stem connects upper LED.
Fig. 3 is the close-up schematic view at Fig. 2 B.
Fig. 4 is schematic diagram when stem connects upper cell-shell.
Fig. 5 reaches schematic diagram during setting value for the air pressure in air storing cavity.
Fig. 6 is the close-up schematic view at Fig. 5 C.
Schematic diagram when Fig. 7 is fit on LED driver.
In figure：Stem 1, LED driver installation pit 11, wire 12, filling channel 13, filling channel outer end 131, fill
Gas passage the inner 132, neck 133, sealing ring 134, seal groove 135, flanging 14, plug 15, the first spring 151, open position
Jack 152, storage glue tank 16, glue discharging mouth 161, floating chamber 17, annular seal space 171, atrium 172, latch 18, floating plug 181, second spring
182nd, substrate 2, link 21, relief hole 22, LED23, cell-shell 3, light diffusion layer 31, seal cavity 4, LED driver 5, lamp holder
6。
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of inflatable LED bulb, including stem 1, substrate 2, cell-shell 3, LED driver 5 and lamp holder 6.
Stem 1 is made for Heat Conduction Material.The outer end of stem 1 is provided with LED driver installation pit 11.LED driver
Wire 12 and filling channel 13 are provided with installation pit 11.The outer end 131 of filling channel protrudes from LED driver installation pit
11 bottom wall.The outer end of stem 1 is provided with the flanging 14 of annular.Plug 15 is provided with filling channel 13.Filling channel 13 is to pass through
What plug 15 closed.
Substrate 2 is made for Heat Conduction Material.Substrate 2 is circle.The folder of the center line of stem 1 and the center line of substrate 2
Angle is for 0 ° namely parallel, to overlap in the present embodiment, provided of course that can meet to require less than 15 °.Substrate 2 is the same as between stem 1
Disconnect.The side of substrate 2 is linked together by link 21 with the inner of stem 1.Link 21 is by two in the present embodiment
The body of rod is formed.The export direction line of filling channel the inner 132 passes through substrate 2, the outlet of filling channel the inner 132 in the present embodiment
Direction line is the center line of stem 1.Substrate 2 is provided with the relief hole 22 with the alignment of filling channel the inner 132.1 inner edge of stem
Centerline direction be in figure A to projection be entirely located on substrate 2.Stem 1 is inner to be less than along the projected area of centerline direction
The area of substrate 1.Side of the substrate 2 away from stem is provided with LED23.LED23 is electrically connected with wire 12.
The outer surface of cell-shell 3 is provided with light diffusion layer 31.Cell-shell 3 and flanging 14 are sealed connected together to form air storing cavity 4.
The inner of stem 1, which is located in air storing cavity 4, causes LED23 to be suspended in air storing cavity 4.In air storing cavity 4 filled with molecular weight be 28 with
Under radiating gas.Air pressure in air storing cavity 4 is 2 standard atmospheric pressures.As long as the air pressure in air storing cavity 4 is big for 1.6 to 2.5
Then radiating effect is best for air pressure, and pressure is bigger than normal or less than normal can all reduce radiating effect.
LED driver 5 is located in LED driver installation pit 11.The output end of LED driver 5 is connected to wire 12
The electrical connection with LED is realized together.The input of LED driver 5 links together with lamp holder 6.
Lamp holder 6 is screw socket.Lamp holder 6 is set on the openend of LED driver 5 and cell-shell 3 simultaneously.3 same lamp of cell-shell
First 6 overlap and are fixed together.
Making specific method of the invention is：
Referring to Fig. 2, the first step, stem 1 is produced, LED23 is encapsulated on substrate 2, substrate 2 is connected by link 21
It is connected to the inner of stem 1.
Referring to Fig. 3, filling channel 13 is provided with neck 133.Neck 133 is the annular groove circumferentially extended along filling channel 13.
Flexible storage glue tank 16 is set in radial direction one end of neck 133.Storage glue tank 16 is provided with glue discharging mouth 161.Plug 15 is located at neck 133
The radial direction other end.The left and right directions along figure of plug 15 moves.The bearing of trend of filling channel 13 is above-below direction in figure.
The madial wall of neck 133 is provided with sealing ring 134.Circumferentially extending of the sealing ring 134 along filling channel 13.The lateral wall of neck 133
Provided with seal groove 135.Seal groove 135 is the loop configuration along the circumferentially extending of filling channel 13.135 same glue discharging mouth of seal groove
161 connections.
Floating chamber 17, the first spring 151, latch 18, floating plug 181 and second spring 182 are additionally provided with stem 1.Plug 15 is set
There is open position jack 152.One end of latch 18 is inserted in open position jack 152, the other end links together with floating plug 181.Insert
When pin 18 is inserted in open position jack 152, plug 15 staggers with filling channel 13, namely filling channel 13 is to open.Floating plug
181 sealings are slidably connected in floating chamber 17.Floating chamber 17 is divided into annular seal space 171 and atrium 172 by floating plug 181.Atrium 172
With air storing cavity 4（Referring to Fig. 1）It is connection.Atrium 172 is located at floating plug 181 towards the side of latch 18.Second spring 182
In annular seal space 171, latch 18 is inserted under the driving of second spring 182 in open position jack 152.
Referring to Fig. 4, second step, the inner of core 1 is worn in cell-shell 3 so that LED23 is suspended in cell-shell 3, by flanging
14 are sealed connected together with cell-shell 3, and cell-shell 3 and stem 1 surround air storing cavity 4.
3rd step, the vacuum for through filling channel 13 to air storing cavity 4 be evacuated down to setting；
Referring to Fig. 5, the 4th step, through filling channel 13 by radiate gas be injected into air storing cavity 4.Pressure in air storing cavity 4
Power rises to setting value（The present embodiment is 2 atmospheric pressure）During the above
Referring to Fig. 6, the gas in air storing cavity overcomes second spring 182 into atrium 172 to thrust caused by floating plug 181
Elastic force latch 18 is extracted from open position jack 152, the first spring 151 driving plug 15 moved towards filling channel 13
And be inserted into neck 133, plug 15 is sealed connected together by sealing ring 134 with the madial wall of neck 133, and plug 15 is also
Extruding storage glue tank 16 causes the fluid sealant in storage glue tank to be flowed out to through glue discharging mouth 161 in seal groove 135, close in seal groove 135
Sealing solidification after plug 15 is sealed and is fixed together with the lateral wall of neck 133 so that plug 15 by filling channel 13 every
Disconnected, the result of cut-off forms the cavity of a closing for air storing cavity 4.
Referring to Fig. 5, the part having more of removing filling channel 13 outer end.
Referring to Fig. 7, the 5th step, LED driver 5 is installed in LED driver installation pit 11.LED driver 5 it is defeated
Go out end to link together with wire 12 and realize same LED23 electrical connection.Cell-shell 3 outer surface coating glazing diffusion glue and
Form light diffusion layer 31.
Referring to Fig. 1, the 6th step, by lamp holder 6 simultaneously be set on the openend of LED driver 5 and cell-shell 3.3 same lamp of cell-shell
First 6 overlap and are bonded together by light diffusion layer 31.The input of LED driver 5 links together with lamp holder 6.
Claims (5)
1. a kind of inflatable LED bulb, including cell-shell, stem, LED, lamp holder and the LED driver for driving the LED, its feature
It is, in addition to substrate, the cell-shell and stem surround air storing cavity, the LED is suspended at the air storing cavity by the stem
Interior, the stem is provided with to be sealed up with the filling channel of air storing cavity connection, the plug provided with open position jack, driving plug
Gas in first spring of the filling channel, the latch being plugged in open position jack, floating chamber and the dependence air storing cavity
Pressure effect and the floating plug that move and drives latch to be extracted from open position jack, described in the floating plug sealing is slidably connected at
In floating chamber, the floating chamber is divided into the atrium that annular seal space connects with the air storing cavity, the atrium position by the floating plug
In the floating plug towards the latch side, the substrate is connected to the inner of the stem by link, and the substrate is same
The stem it is separated, the LED is installed on the substrate, and the surface of the cell-shell is provided with light diffusion layer, the air storing cavity
Interior filled with radiating gas, the air pressure in air storing cavity is more than 1 standard atmospheric pressure, the center line of the stem and the substrate
The angle of center line is less than 15 °, and the link is made up of two bodies of rod, and the moving direction of the plug is the same as the filling channel
Bearing of trend intersect, the filling channel be provided with along filling channel circumferentially extending for the plug insertion annular slot,
The neck is tightly connected by side wall with the plug, and flexible storage glue tank, the side wall of the neck are set in the neck
Annular seal groove provided with the circumferentially extending along the filling channel, the storage glue tank are provided with the plastic emitting with seal groove connection
Mouth, stem are made for Heat Conduction Material.
2. inflatable LED bulb according to claim 1, it is characterised in that the seal groove is located at the outer of the neck
Side wall, the madial wall of the neck are provided with sealing ring.
3. inflatable LED bulb according to claim 1 or 2, it is characterised in that when filling channel is in opening,
The storage glue tank and plug are distributed in both ends of the neck along the moving direction of plug.
4. inflatable LED bulb according to claim 1 or 2, it is characterised in that the floating chamber, which is provided with, drives the latch
The second spring being inserted into the open position jack.
5. inflatable LED bulb according to claim 1 or 2, it is characterised in that the inner openings of the filling channel
Pass through the substrate to line, the substrate is provided with the relief hole with the inner alignment of the filling channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711084233.4A CN107631183A (en) | 2015-03-27 | 2015-03-27 | The preparation method of inflatable LED bulb |
| CN201510137273.5A CN104832803B (en) | 2015-03-27 | 2015-03-27 | Inflatable LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137273.5A CN104832803B (en) | 2015-03-27 | 2015-03-27 | Inflatable LED bulb |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711084233.4A Division CN107631183A (en) | 2015-03-27 | 2015-03-27 | The preparation method of inflatable LED bulb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104832803A CN104832803A (en) | 2015-08-12 |
| CN104832803B true CN104832803B (en) | 2017-12-22 |
Family
ID=53810878
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510137273.5A Active CN104832803B (en) | 2015-03-27 | 2015-03-27 | Inflatable LED bulb |
| CN201711084233.4A Pending CN107631183A (en) | 2015-03-27 | 2015-03-27 | The preparation method of inflatable LED bulb |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711084233.4A Pending CN107631183A (en) | 2015-03-27 | 2015-03-27 | The preparation method of inflatable LED bulb |
Country Status (1)
| Country | Link |
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| CN (2) | CN104832803B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949016B (en) * | 2015-05-22 | 2017-07-21 | 普天智能照明研究院有限公司 | Can light conversion ceiling lamp and inflatable LED bulb preparation method |
| CN106195678A (en) * | 2016-08-19 | 2016-12-07 | 林金山 | Waterproof anti-creeping LED |
| CN107990246B (en) * | 2017-11-30 | 2020-06-02 | 中山市蓝晨光电科技股份有限公司 | Dawn street lamp |
| CN215951148U (en) * | 2020-04-14 | 2022-03-04 | 昕诺飞控股有限公司 | Lighting device |
| CN112728513B (en) * | 2020-12-01 | 2023-03-24 | 浙江零跑科技股份有限公司 | Reflector and air duct integrated heat dissipation structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104832803A (en) | 2015-08-12 |
| CN107631183A (en) | 2018-01-26 |
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