CN104832803A - Inflatable LED bulb and manufacturing method thereof - Google Patents
Inflatable LED bulb and manufacturing method thereof Download PDFInfo
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- CN104832803A CN104832803A CN201510137273.5A CN201510137273A CN104832803A CN 104832803 A CN104832803 A CN 104832803A CN 201510137273 A CN201510137273 A CN 201510137273A CN 104832803 A CN104832803 A CN 104832803A
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- stem
- plug
- led
- filling channel
- storing cavity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to an LED bulb. An inflatable LED bulb comprises a bulb housing, a core column, an LED, a lamp holder and an LED driver, wherein the bulb housing and the core column are enclosed to form a gas storage chamber, and the core column is provided with an inflation channel communicated with the gas storage chamber, a bulkhead provided with an on-position jack, a first spring driving the bulkhead to seal the inflation channel, a latch inserted in the on-position jack, a floating chamber and a floating plug which is moved based on the pressure of the gas stored in the gas storage chamber and drives the latch to be pulled out of the on-position jack. The floating plug is in sealing and sliding connection in the floating chamber, the floating plug divides the floating chamber into a sealing chamber and an opening chamber communicated with the gas storage chamber, and the opening chamber is positioned on the side of the floating plug facing the latch. The inflatable LED bulb has the advantages of less heat transmitted from an LED to the core column, uniform heat radiation, and automatic disconnection when the internal air pressure reaches a set value, and solves the problem that a conventional LED is poor in heat radiation uniformity and radiated heat influences the stability of an LED driver.
Description
Technical field
The present invention relates to LED bulb, particularly relate to a kind of inflatable LED bulb and preparation method thereof, belong to lighting field.
Background technology
Due to LED have that volume is little, power consumption is low, long service life, high brightness, environmental protection and the advantage such as sturdy and durable, be widely used in light fixture.
Wherein the version of LED bulb is on lamp holder, install the heat transfer body (stem stem) that one end is positioned at cell-shell, and LED is installed in the inner of stem stem.
Be CN101893180A in Chinese patent application publication No., name is called in the patent document of " a kind of LED bulb " and discloses a kind of LED bulb, the driver that bulb in this patent comprises lamp holder, lamp socket, lampshade, radiator and is arranged in radiator, bulb is provided with independently little light-emitting zone, little light-emitting zone is formed with the LED light source component be arranged on independent radiator and reflection shield by being arranged on the independent radiator of radiator away from one end of lamp holder, and lampshade connects on a heat sink and all covered on together by all independently little light-emitting zones.Independently little light-emitting zone in this patent is placed in the top of bulb and is arranged in periphery, and to make light irradiate to surrounding, radiator is between light-emitting zone and lamp holder.
Be CN201636612U at Chinese patent Authorization Notice No., name is called in the patent document of " Novel high-efficiency cooling LED bulb " and also discloses a kind of LED bulb, bulb in this patent comprises the lamp holder and cell-shell that link together, the stem stem that an outer end links together with lamp holder is provided with in cell-shell, stem stem is prismatic, LED be arranged on stem stem be positioned at cell-shell part each on the surface.In order to increase radiating effect, between cell-shell and lamp holder, being provided with ceramic block carrying out auxiliary lamp holder and dispel the heat.
Existing LED bulb is all be similar to version disclosed in above-mentioned two patent documents, have the following disadvantages: field of illumination is all the region, front upper place of lamp holder, bulb lamp holder under uprightly install and the light fixture (as floor lamp) requiring light to irradiate downwards in use time, very dark in the region that light fixture periphery is larger, also namely light angle is little; Heat radiation is all undertaken by lamp holder and stem stem, and in actual use lamp holder be connected on light fixture and be positioned at the inside of light fixture attaching parts, namely also lamp holder is in totally-enclosed or semi-enclosed state, less and the poor fluidity of the air of thermal component periphery of the effective area that thermal component contacts with air, cause that the heat-sinking capability of bulb is poor, service life is short, the stability that heat relies on stem stem to lose completely, heat can affect the LED driver be installed in lamp holder that LED produces; Heat dissipation uniformity is poor; Structural compactness is poor.
Summary of the invention
First object of the present invention aims to provide the inflatable LED bulb that heat is few, heat radiation is even, air pressure inside can disconnect when reaching setting value automatically and the preparation method that a kind of LED passes to stem stem, solves the problem that existing LED bulb heat dissipation uniformity heat that is poor, that shed is large to LED driver stability influence.
Second object of invention is intended to the inflatable LED bulb providing a kind of light angle large further, solves the problem that existing LED bulb light angle is little
Above technical problem is solved by following technical proposal: a kind of inflatable LED bulb, comprise cell-shell, stem stem, LED, the LED driver of lamp holder and the described LED of driving, described cell-shell and stem stem surround air storing cavity, described LED is suspended in described air storing cavity by described stem stem, described stem stem is provided with the filling channel be communicated with described air storing cavity, be provided with the plug of open position jack, plug is driven to seal up the first spring of described filling channel, be plugged on the latch in open position jack, floating chamber and rely on the pressure effect of the gas in described air storing cavity and move and drive the floating plug that latch is extracted from open position jack, described floating plug sealing is slidably connected in described floating chamber, described floating chamber is divided into the atrium that annular seal space is communicated with described air storing cavity by described floating plug, described atrium is positioned at described floating plug towards described latch side.The heat radiation gas of heat mainly in cell-shell that during use, LED produces loses, therefore it is lower through the ratio of stem stem dispersed heat to pass to stem stem, thus reduces heat that LED produces to the impact of LED driver.Dispelled the heat by gas, without the need to radiator, make lamp holder can be connected directly between with cell-shell together with (namely overlapping), for the realization of structural compactness is laid a good foundation; Gas dissipates heat uniformity is good.In manufacturing process when the air pressure of the gas in bulb reaches setting value, plug can self-closed filling channel, and convenient during inflation, the accuracy of air pressure inside value is high.Latch can rely on the deadweight of latch and floating plug or other power and be inserted into and open as in jack.
As preferably, the moving direction of described plug intersects with the bearing of trend of described filling channel.Interference when air pressure during inflation closes up plug is little, and filling channel can cut off by plug more in time rapidly, and the accuracy cutting off the air pressure in timely then air storing cavity is high.Air pressure accurately then can make the radiating effect of bulb more meet designing requirement.
As preferably, described filling channel is provided with the annular slot that the described plug of confession that extends along filling channel circumference inserts, and described draw-in groove is tightly connected with described plug by sidewall.Can more effectively prevent plug from throwing off, good reliability.
As preferably, be provided with flexible storage glue tank in described draw-in groove, the sidewall of described draw-in groove is provided with the annular seal groove that the circumference along described filling channel extends, and described storage glue tank is provided with the glue discharging mouth be communicated with described seal groove.When plug closes up, plug can extrude storage glue tank and make glue flow in seal groove, is fixed together by plug after the adhesive curing in seal groove with stem stem sealing.Plug can be made more reliably to be cut off by filling channel.Prevent bulb state from producing when changing or receive vibration and produce gas leak phenomenon, gas leakage then can affect the radiating effect of bulb.
As preferably, described seal groove is positioned at the lateral wall of described draw-in groove, and the madial wall of described draw-in groove is provided with sealing ring.Can prevent the gas produced during sealing glue solidifying from flowing in inflatable chamber.If the gas produced during solidification enters air storing cavity, can affect the purity of heat radiation gas, heat radiation gas purity declines and radiating effect then can be caused to decline.Therefore this technical scheme can make the radiation stability of bulb good.
As preferably, when filling channel is in opening, described storage glue tank and plug are distributed in the two ends of draw-in groove along the moving direction of plug.Can ensure that glue does not overflow in air storing cavity the purity affecting in air storing cavity the gas that dispels the heat.
As preferably, described floating chamber is provided with and drives described latch to be inserted into the second spring in described open position jack.Convenience during making can be improved.If rely on deadweight to insert, when making, latch and floating plug must be made to be positioned at the top of open position jack.
The present invention also comprises substrate, described substrate is connected to the inner of described stem stem by link, described substrate is separated with described stem stem, described LED is installed on described substrate, the surface of described cell-shell is provided with light diffusion layer, be filled with heat radiation gas in described air storing cavity, the air pressure in air storing cavity is greater than 1 standard atmospheric pressure, and the angle of the center line of described stem stem and the center line of described substrate is less than 15 °.Substrate is connected with stem stem by link, and amount, simultaneously stem stem that LED heat can either be avoided to pass to stem stem do not affect the heat radiation of LED yet.Cell-shell surface arranges light diffusion layer, can improve the illumination angle of bulb and bright dipping is soft.The beneficial effect that the angle of the center line of stem stem and the center line of substrate is less than 15 ° is: convenient and the uniformity of the brightness of bulb circumference can be made good when being assembled together with bulb by stem stem.
As preferably, the opening direction line of described filling channel the inner is through described substrate, and described substrate is provided with the relief hole with described filling channel the inner alignment.Can either ensure that center of gravity and the geometric center of bulb overlap substantially, to prevent bulb to be connected to lamp socket time produce the distortion power along lamp holder axis and cause connecting thread to produce eccentric wear, can avoid again producing loosening of electrical equipment bad phenomenon and mechanical connection to substrate to the impulsive force direct projection of air-flow when inflating in cell-shell.
A preparation method for inflatable LED bulb, comprises the following steps:
The first step, LED is connected to the inner of stem stem;
Second step, to be worn in cell-shell stem stem the inner and make LED be suspended in cell-shell, be sealed connected together with cell-shell stem stem outer end, cell-shell and stem stem surround air storing cavity; Namely before second step, latch is inserted in open position jack and makes that plug is positioned at open position, also air storing cavity is connected with cell-shell space outerpace by filling channel;
3rd step, through filling channel, air storing cavity to be vacuumized;
4th step, through filling channel, heat radiation gas is injected in air storing cavity, when the pressure increase in air storing cavity is to setting value, gas in air storing cavity makes latch extract from open position jack to the thrust that floating plug produces, first Spring driving plug moves towards filling channel and filling channel is cut off by plug, and the result of partition is that air storing cavity forms a closed cavity;
5th step, fit on LED driver;
6th step, fit on lamp holder.
The present invention has following advantage: by heat radiation gas dissipates heat, and can reduce the heat of LED generation to the impact of LED driver, heat dissipation uniformity is good, and the air pressure in air storing cavity can be made in manufacturing process to be easily setting value.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Schematic diagram when Fig. 2 is LED on stem stem connects.
Fig. 3 is the close-up schematic view at the B place of Fig. 2.
Schematic diagram when Fig. 4 is cell-shell on stem stem connects.
Fig. 5 is air pressure in air storing cavity schematic diagram when reaching setting value.
Fig. 6 is the close-up schematic view at the C place of Fig. 5.
Schematic diagram when Fig. 7 is fit on LED driver.
In figure: stem stem 1, LED driver installs pit 11, wire 12, filling channel 13, the outer end 131 of filling channel, filling channel the inner 132, draw-in groove 133, sealing ring 134, seal groove 135, flanging 14, plug 15, 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 182, substrate 2, link 21, relief hole 22, LED23, cell-shell 3, light diffusion layer 31, seal chamber 4, LED driver 5, lamp holder 6.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
See Fig. 1, a kind of inflatable LED bulb, comprises stem stem 1, substrate 2, cell-shell 3, LED driver 5 and lamp holder 6.
Stem stem 1 is made for Heat Conduction Material.The outer end of stem stem 1 is provided with LED driver and installs pit 11.LED driver is installed in pit 11 and is provided with wire 12 and filling channel 13.The outer end 131 of filling channel protrudes from the diapire that LED driver installs pit 11.Stem stem 1 outer end is provided with the flanging 14 of annular.Plug 15 is provided with in filling channel 13.Filling channel 13 is closed by plug 15.
Substrate 2 is made for Heat Conduction Material.Substrate 2 is circular.The center line of stem stem 1 and the angle of the center line of substrate 2 be 0 ° also namely parallel, in the present embodiment for overlap, being certainly only less than 15 ° can meet the demands.Substrate 2 is separated with stem stem 1.The side of substrate 2 is linked together by link 21 the inner with stem stem 1.In the present embodiment, link 21 is made up of two bodies of rod.The Way out line of filling channel the inner 132 is through substrate 2, and in the present embodiment, the Way out line of filling channel the inner 132 is the center line of stem stem 1.Substrate 2 is provided with the relief hole 22 of inner 132 alignment of same filling channel.Stem stem 1 the inner centrally in line direction and figure A to projection be all positioned on substrate 2.The projected area in centrally line direction, stem stem 1 the inner is less than the area of substrate 1.Substrate 2 is provided with LED23 away from the side of stem stem.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 and form air storing cavity 4.The inner of stem stem 1 is arranged in air storing cavity 4 and makes LED23 be suspended at air storing cavity 4.The heat radiation gas that molecular weight is less than 28 is filled with in air storing cavity 4.Air pressure in air storing cavity 4 is 2 standard atmospheric pressures.As long as the air pressure in air storing cavity 4 is that then radiating effect is best for 1.6 to 2.5 atmospheric pressure, the pressure radiating effect that all can make bigger than normal or less than normal reduces.
LED driver 5 is arranged in LED driver and installs pit 11.The output of LED driver 5 links together with wire 12 and realizes the electrical connection of same LED.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.Cell-shell 3 overlaps with lamp holder 6 and is fixed together.
Making concrete grammar of the present invention is:
See Fig. 2, the first step, produce stem stem 1, LED23 is encapsulated on substrate 2, substrate 2 is connected to the inner of stem stem 1 by link 21.
See Fig. 3, filling channel 13 is provided with draw-in groove 133.Draw-in groove 133 is the cannelure extended along filling channel 13 circumference.Flexible storage glue tank 16 is provided with in radial one end of draw-in groove 133.Storage glue tank 16 is provided with glue discharging mouth 161.Plug 15 is positioned at the radial other end of draw-in groove 133.Plug 15 is for along left and right directions movement in figure.The bearing of trend of filling channel 13 is above-below direction in figure.The madial wall of draw-in groove 133 is provided with sealing ring 134.Sealing ring 134 extends along the circumference of filling channel 13.The lateral wall of draw-in groove 133 is provided with seal groove 135.Seal groove 135 is the loop configuration extended along the circumference of filling channel 13.Seal groove 135 is communicated with glue discharging mouth 161.
Floating chamber 17, first spring 151, latch 18, floating plug 181 and the second spring 182 is also provided with in stem stem 1.Plug 15 is provided with 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.When latch 18 is inserted in open position jack 152, plug 15 staggers with filling channel 13, and also namely filling channel 13 opens.Floating plug 181 sealing is 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(see Fig. 1) be communicated with.Atrium 172 is positioned at the side of floating plug 181 towards latch 18.Second spring 182 is arranged in annular seal space 171, and latch 18 is inserted in open position jack 152 under the driving of the second spring 182.
See Fig. 4, second step, to be worn in cell-shell 3 core 1 the inner and make LED23 be suspended in cell-shell 3, be sealed connected together with cell-shell 3 by flanging 14, cell-shell 3 and stem stem 1 surround air storing cavity 4.
3rd step, be evacuated down to the vacuum of setting through filling channel 13 pairs of air storing cavities 4;
See Fig. 5, the 4th step, through filling channel 13, heat radiation gas to be injected in air storing cavity 4.Time more than the pressure increase in air storing cavity 4 to setting value (the present embodiment is 2 atmospheric pressure)
See Fig. 6, gas in air storing cavity enters the elastic force that thrust that the atrium 172 pairs of floating plugs 181 produce overcomes the second spring 182 and latch 18 is extracted from open position jack 152, first spring 151 drives plug 15 move towards filling channel 13 and be inserted in draw-in groove 133, plug 15 is sealed connected together by the madial wall of sealing ring 134 with draw-in groove 133, plug 15 also extrudes storage glue tank 16 and makes the fluid sealant stored up in glue tank flow out in seal groove 135 through glue discharging mouth 161, after sealing glue solidifying in seal groove 135, the lateral wall of plug 15 with draw-in groove 133 is sealed and be fixed together, filling channel 13 is cut off by plug 15, the result cut off is that air storing cavity 4 forms a closed cavity.
See Fig. 5, the part had more of removing filling channel 13 outer end.
See Fig. 7, the 5th step, LED driver 5 is installed to LED driver and installs in pit 11.The output of LED driver 5 links together with wire 12 and realizes the electrical connection of same LED23.Spread glue at the outer surface coating glazing of cell-shell 3 and form light diffusion layer 31.
See Fig. 1, the 6th step, lamp holder 6 to be set in simultaneously on the openend of LED driver 5 and cell-shell 3.Cell-shell 3 is overlapped with lamp holder 6 and is bonded together by light diffusion layer 31.The input of LED driver 5 links together with lamp holder 6.
Claims (10)
1. an inflatable LED bulb, comprise cell-shell, stem stem, LED, the LED driver of lamp holder and the described LED of driving, it is characterized in that, described cell-shell and stem stem surround air storing cavity, described LED is suspended in described air storing cavity by described stem stem, described stem stem is provided with the filling channel be communicated with described air storing cavity, be provided with the plug of open position jack, plug is driven to seal up the first spring of described filling channel, be plugged on the latch in open position jack, floating chamber and rely on the pressure effect of the gas in described air storing cavity and move and drive the floating plug that latch is extracted from open position jack, described floating plug sealing is slidably connected in described floating chamber, described floating chamber is divided into the atrium that annular seal space is communicated with described air storing cavity by described floating plug, described atrium is positioned at described floating plug towards described latch side.
2. inflatable LED bulb according to claim 1, is characterized in that, the moving direction of described plug intersects with the bearing of trend of described filling channel.
3. inflatable LED bulb according to claim 2, is characterized in that, described filling channel is provided with the annular slot of the described plug insertion of the confession extended along filling channel circumference, and described draw-in groove is tightly connected with described plug by sidewall.
4. inflatable LED bulb according to claim 3, it is characterized in that, be provided with flexible storage glue tank in described draw-in groove, the sidewall of described draw-in groove is provided with the annular seal groove that the circumference along described filling channel extends, and described storage glue tank is provided with the glue discharging mouth be communicated with described seal groove.
5. inflatable LED bulb according to claim 4, is characterized in that, described seal groove is positioned at the lateral wall of described draw-in groove, and the madial wall of described draw-in groove is provided with sealing ring.
6. the inflatable LED bulb according to claim 4 or 5, is characterized in that, when filling channel is in opening, described storage glue tank and plug are distributed in the two ends of draw-in groove along the moving direction of plug.
7. the inflatable LED bulb according to claim 1 or 2 or 3 or 4 or 5, is characterized in that, described floating chamber is provided with and drives described latch to be inserted into the second spring in described open position jack.
8. the inflatable LED bulb according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, also comprise substrate, described substrate is connected to the inner of described stem stem by link, and described substrate is separated with described stem stem, and described LED is installed on described substrate, the surface of described cell-shell is provided with light diffusion layer, be filled with heat radiation gas in described air storing cavity, the air pressure in air storing cavity is greater than 1 standard atmospheric pressure, and the angle of the center line of described stem stem and the center line of described substrate is less than 15 °.
9. inflatable LED bulb according to claim 8, is characterized in that, the opening direction line of described filling channel the inner is through described substrate, and described substrate is provided with the relief hole with described filling channel the inner alignment.
10. be applicable to a preparation method for inflatable LED bulb according to claim 1, it is characterized in that, comprise the following steps:
The first step, LED is connected to the inner of stem stem;
Second step, to be worn in cell-shell stem stem the inner and make LED be suspended in cell-shell, be sealed connected together with cell-shell stem stem outer end, cell-shell and stem stem surround air storing cavity; Namely before second step, latch is inserted in open position jack and makes that plug is positioned at open position, also air storing cavity is connected with cell-shell space outerpace by filling channel;
3rd step, through filling channel, air storing cavity to be vacuumized;
4th step, through filling channel, heat radiation gas is injected in air storing cavity, when the pressure increase in air storing cavity is to setting value, gas in air storing cavity makes latch extract from open position jack to the thrust that floating plug produces, first Spring driving plug moves towards filling channel and filling channel is cut off by plug, and the result of partition is that air storing cavity forms a closed cavity;
5th step, fit on LED driver;
6th step, fit on lamp holder.
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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN104832803A true CN104832803A (en) | 2015-08-12 |
| CN104832803B CN104832803B (en) | 2017-12-22 |
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| CN201711084233.4A Pending CN107631183A (en) | 2015-03-27 | 2015-03-27 | The preparation method of inflatable LED bulb |
| CN201510137273.5A Active CN104832803B (en) | 2015-03-27 | 2015-03-27 | Inflatable LED bulb |
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| CN201711084233.4A Pending CN107631183A (en) | 2015-03-27 | 2015-03-27 | The preparation method of inflatable LED bulb |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106195678A (en) * | 2016-08-19 | 2016-12-07 | 林金山 | Waterproof anti-creeping LED |
| CN107990246A (en) * | 2017-11-30 | 2018-05-04 | 陈蒙蒙 | A kind of daybreak street lamp |
| CN112728513A (en) * | 2020-12-01 | 2021-04-30 | 浙江零跑科技有限公司 | Reflector and air duct integrated heat dissipation structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215951148U (en) * | 2020-04-14 | 2022-03-04 | 昕诺飞控股有限公司 | Lighting device |
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