CN106838727A - A kind of LED projection lamp - Google Patents
A kind of LED projection lamp Download PDFInfo
- Publication number
- CN106838727A CN106838727A CN201710143488.7A CN201710143488A CN106838727A CN 106838727 A CN106838727 A CN 106838727A CN 201710143488 A CN201710143488 A CN 201710143488A CN 106838727 A CN106838727 A CN 106838727A
- Authority
- CN
- China
- Prior art keywords
- led
- dividing plate
- pin
- cavity
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
- F21V29/673—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for intake
-
- 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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
-
- 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
- F21V5/04—Refractors for light sources of lens shape
Abstract
The present invention discloses a kind of LED projection lamp, including LED lamp bead, LED drive board, lens group and shell, dividing plate is provided with the shell, enclosure is separated into cavity and heat dissipation cavity by the dividing plate, the LED lamp bead, LED drive board and lens group are respectively positioned in cavity, radiator, blower rack and blower fan are provided with the heat dissipation cavity, the radiator is with LED lamp bead respectively positioned at the obverse and reverse of dividing plate, the assembling is on blower rack, air inlet and exhaust outlet are provided with the shell, the air inlet and exhaust outlet are connected with heat dissipation cavity；The LED projection lamp will not be influenceed by adhesion of particles dust in the air of surrounding environment in use.
Description
Technical field
The present invention relates to a kind of LED projection lamp.
Background technology
LED projection lamp be it is a kind of for projecting a pattern into curtain or other backgrounds under the device that is shown, extensively
It is applied to the places such as the life or work of people.
The air inlet of LED projection lamp heat dissipation design and air outlet in LED lamp bead and lens combination inner space, LED lamp bead,
Electronic component, lens combination turn into cross-ventilated passage.Due in the air of the surrounding environment during product operation use
Adhesion of particles dust, a large amount of particle dusts are entered in LED lamp bead, lens combination inner chamber, result in the luminous flux of LED projection lamp
Be gradually reduced, projection pattern it is unintelligible.The accumulation of particle dust, particle dust turns into the electrolyte of electronic component, gradually damages
Electronic component.
The content of the invention
The technical problem to be solved in the present invention be to provide it is a kind of in use will not be subject to surrounding environment air in
The LED projection lamp of adhesion of particles dust influence.
To solve the above problems, the present invention is adopted the following technical scheme that：
A kind of LED projection lamp, including LED lamp bead, LED drive board, lens group and shell, are provided with dividing plate, institute in the shell
State dividing plate and enclosure be separated into cavity and heat dissipation cavity, the LED lamp bead, LED drive board and lens group are respectively positioned in cavity,
Be provided with radiator, blower rack and blower fan in the heat dissipation cavity, the radiator and LED lamp bead respectively positioned at the front of dividing plate and
Reverse side, the assembling is on blower rack, being provided with air inlet and exhaust outlet, the air inlet and exhaust outlet on the shell
It is connected with heat dissipation cavity.
Preferably, the LED lamp bead back side is provided with heat-radiating substrate, the heat-radiating substrate back side is provided with pin, institute
State pin to be set through dividing plate, in the pin insertion radiator, pin, and pin are provided with by the heat-radiating substrate back side
In insertion radiator, can allow that the heat in LED lamp bead is good and be delivered on radiator.
Preferably, the plate-like setting of blower rack, is provided with the mounting hole matched with blower fan on the blower rack,
In the blower fan insertion mounting hole, heat dissipation cavity is separated into inlet plenum and exhaust chamber, the air inlet and exhaust by the blower rack
Mouth is connected with inlet plenum and exhaust chamber respectively, and during work, the air in inlet plenum is constantly blown to blower fan the radiating in exhaust chamber
On device, then discharged from exhaust outlet.
Preferably, the shell and dividing plate are integral type set, shell and dividing plate stable connection reliability, and shell with
The structure air-tightness of dividing plate integral type is good.
Preferably, sealing rubber ring and the slot matched with pin are provided with the radiator, the slot position
Agree with groove, the sealing with sealing rubber ring matches in the region that sealing rubber ring is surrounded, being provided with the dividing plate
Rubber ring insertion agrees with groove, and by being provided with sealing rubber ring and agreeing with groove, sealing rubber ring insertion can rise after agreeing with groove
To good sealing effectiveness, can effectively prevent gas and dust from being entered into cavity between pin and dividing plate.
Preferably, being provided with lug boss in the air inlet, filter cotton, the filter cotton are provided with the air inlet
Be in the form of a column setting, be provided with the groove matched with lug boss on the filter cotton, in the lug boss insertion groove, by
Filter cotton is provided with air inlet can play good filter effect, can effectively prevent dust from entering into inlet plenum,
And filter cotton and air inlet are connected by lug boss and groove, filter cotton stable connection is difficult to drop when in use.
Preferably, the heat-radiating substrate is integral type setting with pin, the pin surface is coated with unsintered tape, radiates
Substrate and pin configuration stabilization, and can strengthen closed with dividing plate junction by being coated with unsintered tape in pin surface
Property, effectively prevent gas and dust in heat dissipation cavity from entering into cavity.
Preferably, the obverse and reverse of the blower rack posts the waterproof ventilated membrane for covering blower fan, by
The obverse and reverse of blower rack posts the waterproof ventilated membrane for covering blower fan, can effectively prevent liquid from touching wind
Machine, along with LED lamp bead, LED drive board and lens group are respectively positioned in cavity, and liquid is difficult to enter into cavity so that
It is overall that there is good waterproof effect, can use under rainy day environment out of doors.
Beneficial effects of the present invention are：By way of employing isolation, the particle dust in air is set to be difficult to enter into
Cavity, makes the LED lamp bead in cavity, LED drive board and lens group not to be polluted by surrounding air environment, extends this and uses the longevity
Life, can effectively ensure that using effect will not be influenceed with stability by surrounding air environment pollution, reduce the product
Maintenance cost, additionally, being provided with pin, and pin insertion radiator by the heat-radiating substrate back side, can cause LED
Heat on pearl can be good be delivered on radiator.The mounting hole matched with blower fan is provided with blower rack, blower fan is inserted
Enter in mounting hole, heat dissipation cavity is separated into inlet plenum and exhaust chamber by blower rack, air inlet and exhaust outlet respectively with inlet plenum and row
Air chamber is connected, and during work, blower fan constantly blows to the air in inlet plenum on the radiator in exhaust chamber, is then arranged from exhaust outlet
Go out.Shell and dividing plate are that integral type is set, shell and dividing plate stable connection reliability, and shell and dividing plate integral type structure gas
Close property is good.Sealing rubber ring and the slot matched with pin are provided with radiator, slot is surrounded positioned at sealing rubber ring
It is provided with region, on dividing plate and agrees with groove with sealing rubber ring matches, sealing rubber ring insertion agrees with groove, by setting
There is sealing rubber ring and agree with groove, sealing rubber ring insertion can play good sealing effectiveness after agreeing with groove, can be effective
Prevent gas and dust from being entered into cavity between pin and dividing plate.It is provided with air inlet in lug boss, air inlet and is set
There is filter cotton, filter cotton is in the form of a column setting, the groove matched with lug boss, lug boss insertion groove are provided with filter cotton
It is interior, good filter effect can be played by being provided with filter cotton in air inlet, can effectively prevent dust from entering into
In inlet plenum, and filter cotton and air inlet are connected by lug boss and groove, and filter cotton stable connection is difficult when in use
Fall.With pin for integral type is set, pin surface is coated with unsintered tape, heat-radiating substrate and pin configuration stabilization to heat-radiating substrate, and
And can strengthen seal with dividing plate junction by being coated with unsintered tape in pin surface, effectively prevent the gas in heat dissipation cavity
Body and dust are entered into cavity.The obverse and reverse of blower rack posts the waterproof ventilated membrane for covering blower fan, by
The obverse and reverse of blower rack posts the waterproof ventilated membrane for covering blower fan, can effectively prevent liquid from touching wind
Machine, along with LED lamp bead, LED drive board and lens group are respectively positioned in cavity, and liquid is difficult to enter into cavity so that
It is overall that there is good waterproof effect, can use under rainy day environment out of doors.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of internal structure schematic diagram of LED projection lamp of the invention；
Fig. 2 is a kind of connection diagram of the LED lamp bead with radiator of LED projection lamp of the invention；
Fig. 3 is a kind of stereogram of the filter cotton of LED projection lamp of the invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Embodiment 1
As shown in figure 1, a kind of LED projection lamp, including LED lamp bead 1, LED drive board 2, lens group 3 and shell 4, LED lamp bead 1 with
LED drive board 2 is electrically connected with, and LED lamp bead 1, LED drive board 2 and lens group 3 are bonded with shell 4, is set in the shell 4
There is a dividing plate 5, the dividing plate 5 will be separated into cavity 6 and heat dissipation cavity 7 inside shell 4, the LED lamp bead 1, LED drive board 2 and thoroughly
Microscope group 3 is respectively positioned in cavity 6, is provided with radiator 8, blower rack 9 and blower fan 10 in the heat dissipation cavity 7, the radiator 8 with
Respectively positioned at the obverse and reverse of dividing plate 5, the radiator 8 is bonded LED lamp bead 1 with dividing plate 5 respectively with LED lamp bead 1, the wind
Machine 10 is installed on blower rack 9, and air inlet 11 and exhaust outlet 12, the air inlet 11 and exhaust outlet are provided with the shell 4
12 are connected with heat dissipation cavity 7.By way of employing isolation, make the particle dust in air be difficult to enter into cavity 6, make
LED lamp bead 1, LED drive board 2 and lens group 3 in cavity 6 will not be polluted by surrounding air environment, extend the service life, can
Effectively to ensure that using effect will not be influenceed with stability by surrounding air environment pollution, reduce the product repairing into
This.
The present embodiment has the beneficial effect that：By way of employing isolation, the particle dust in air is set to be difficult to enter
To cavity, the LED lamp bead in cavity, LED drive board and lens group is not polluted by surrounding air environment, extend this and use the longevity
Life, can effectively ensure that using effect will not be influenceed with stability by surrounding air environment pollution, reduce the product
Maintenance cost.
Embodiment 2
As Figure 1-3, a kind of LED projection lamp, including LED lamp bead 1, LED drive board 2, lens group 3 and shell 4, the shell
Dividing plate 5 is provided with 4, the LED lamp bead 1 is electrically connected with LED drive board 2, LED lamp bead 1, LED drive board 2 and lens group 3
Bonded with shell 4, dividing plate 5 will be separated into cavity 6 and heat dissipation cavity 7, the LED lamp bead 1, the and of LED drive board 2 inside shell 4
Lens group 3 is respectively positioned in cavity 6, is provided with radiator 8, blower rack 9 and blower fan 10 in the heat dissipation cavity 7, the radiator 8 with
Respectively positioned at the obverse and reverse of dividing plate 5, the blower fan 10 is installed on blower rack 9, is provided with the shell 4 LED lamp bead 1
Air inlet 11 and exhaust outlet 12, the air inlet 11 and exhaust outlet 12 are connected with heat dissipation cavity 7.The back side of the LED lamp bead 1 sets
Heat-radiating substrate 13 is equipped with, the back side of the heat-radiating substrate 13 is provided with pin 14, and the pin 14 is set through dividing plate 5, it is described to insert
In the insertion radiator 8 of pin 14, it is provided with pin 14, and the insertion radiator 8 of pin 14 by the back side of heat-radiating substrate 13, can
It is delivered on radiator 8 with allow the heat in LED lamp bead 1 good.The plate-like setting of the blower rack 9, the wind
The mounting hole matched with blower fan 10 is provided with frame 9（It is not shown）, in the insertion mounting hole of the blower fan 10, the blower rack
Heat dissipation cavity 7 is separated into inlet plenum by 9（It is not shown）And exhaust chamber（It is not shown）, the air inlet 11 and exhaust outlet 12 respectively with enter
Air chamber is connected with exhaust chamber, and during work, blower fan 10 constantly blows to the air in inlet plenum on the radiator 8 in exhaust chamber, so
Discharged from exhaust outlet 12 afterwards.The shell 4 and dividing plate 5 are that integral type is set, shell 4 and the stable connection reliability of dividing plate 5, and outward
Shell 4 is good with the structure air-tightness of the integral type of dividing plate 5.Sealing rubber ring 15 is provided with the radiator 8 and is matched with pin 14
To slot（It is not shown）, the slot is located in the region that surrounds of sealing rubber ring 15, is provided with the dividing plate 5 and sealing
What rubber ring 15 matched agrees with groove（It is not shown）, the insertion of the sealing rubber ring 15 agrees with groove, by being provided with sealing rubber
Cushion rubber 15 can play good sealing effectiveness, can effectively prevent with groove, the insertion of sealing rubber ring 15 is agreed with after agreeing with groove
Gas and dust are entered into cavity 6 between pin 14 and dividing plate 5.Lug boss is provided with the air inlet 11（Do not scheme
Show）, filter cotton 16 is provided with the air inlet, the filter cotton 16 is in the form of a column setting, be provided with the filter cotton 16 with
The groove that lug boss matches（It is not shown）, in the lug boss insertion groove, filter cotton is provided with by air inlet 11
16 can play good filter effect, can effectively prevent dust from entering into inlet plenum, and filter cotton 16 and air inlet
Mouth is connected by lug boss and groove, and the stable connection of filter cotton 16 is difficult to drop when in use.The heat-radiating substrate 13 and pin
14 are set for integral type, and the Surface coating of the pin 14 has unsintered tape（It is not shown）, heat-radiating substrate 13 and the Stability Analysis of Structures of pin 14,
And there is the unsintered tape can to strengthen the seal with the junction of dividing plate 5 by the Surface coating of pin 14, effectively prevent heat dissipation cavity 7
Interior gas and dust is entered into cavity 6.The obverse and reverse of the blower rack 9 posts the waterproof for covering blower fan 10
Ventilated membrane（It is not shown）, can effectively prevent liquid from touching blower fan 10, along with LED lamp bead 1, LED drive board 2 and lens
Group 3 is respectively positioned in cavity 6, and liquid is difficult to enter into cavity 6 so that overall to have good waterproof effect, Neng Gou
Used under outdoor rainy day environment.By way of employing isolation, make the particle dust in air be difficult to enter into cavity 6, make
LED lamp bead 1, LED drive board 2 and lens group 3 in cavity 6 will not be polluted by surrounding air environment, extend the service life, can
Effectively to ensure that using effect will not be influenceed with stability by surrounding air environment pollution, reduce the product repairing into
This.
The present embodiment has the beneficial effect that：By way of employing isolation, the particle dust in air is set to be difficult to enter
To cavity, the LED lamp bead in cavity, LED drive board and lens group is not polluted by surrounding air environment, extend this and use the longevity
Life, can effectively ensure that using effect will not be influenceed with stability by surrounding air environment pollution, reduce the product
Maintenance cost, is provided with pin, and pin insertion radiator by the heat-radiating substrate back side, can cause in LED lamp bead
Heat can be good be delivered on radiator.The mounting hole matched with blower fan, blower fan insertion peace are provided with blower rack
In dress hole, heat dissipation cavity is separated into inlet plenum and exhaust chamber by blower rack, air inlet and exhaust outlet respectively with inlet plenum and exhaust chamber
Connection, during work, blower fan constantly blows to the air in inlet plenum on the radiator in exhaust chamber, is then discharged from exhaust outlet.
Shell is integral type setting, shell and dividing plate stable connection reliability with dividing plate, and shell is airtight with the structure of dividing plate integral type
Property is good.Sealing rubber ring and the slot matched with pin, the area that slot is surrounded positioned at sealing rubber ring are provided with radiator
It is provided with domain, on dividing plate and agrees with groove with sealing rubber ring matches, sealing rubber ring insertion agrees with groove, by being provided with
Sealing rubber ring can play good sealing effectiveness, can effectively prevent with groove, sealing rubber ring insertion is agreed with after agreeing with groove
Only gas and dust are entered into cavity between pin and dividing plate.Lug boss is provided with air inlet, is provided with air inlet
Filter cotton, filter cotton is in the form of a column setting, and the groove matched with lug boss is provided with filter cotton, in lug boss insertion groove,
Good filter effect can be played by being provided with filter cotton in air inlet, can effectively prevent dust from entering into air inlet
Interior, and filter cotton and air inlet, by lug boss and groove connection, filter cotton stable connection is difficult to drop when in use.
With pin for integral type is set, pin surface is coated with unsintered tape, heat-radiating substrate and pin configuration stabilization, Er Qietong to heat-radiating substrate
Cross and be coated with unsintered tape in pin surface and can strengthen seal with dividing plate junction, effectively prevent gas in heat dissipation cavity and
Dust is entered into cavity.The obverse and reverse of blower rack posts the waterproof ventilated membrane for covering blower fan, by blower fan
The obverse and reverse of frame posts the waterproof ventilated membrane for covering blower fan, can effectively prevent liquid from touching blower fan, then
It is respectively positioned in cavity plus LED lamp bead, LED drive board and lens group, and liquid is difficult to enter into cavity so that overall tool
There is good waterproof effect, can use under rainy day environment out of doors.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
The change or replacement expected without creative work, should all be included within the scope of the present invention.
Claims (8)
1. a kind of LED projection lamp, including LED lamp bead, LED drive board, lens group and shell, it is characterised in that：In the shell
Dividing plate is provided with, enclosure is separated into cavity and heat dissipation cavity, the LED lamp bead, LED drive board and lens group by the dividing plate
It is respectively positioned in cavity, radiator, blower rack and blower fan is provided with the heat dissipation cavity, the radiator distinguishes position with LED lamp bead
In the obverse and reverse of dividing plate, the assembling is described in air inlet and exhaust outlet on blower rack, is provided with the shell
Air inlet and exhaust outlet are connected with heat dissipation cavity.
2. a kind of LED projection lamp according to claim 1, it is characterised in that：The LED lamp bead back side is provided with radiating base
Plate, the heat-radiating substrate back side is provided with pin, and the pin is set through dividing plate, in the pin insertion radiator.
3. a kind of LED projection lamp according to claim 2, it is characterised in that：The plate-like setting of blower rack, the wind
The mounting hole matched with blower fan is provided with frame, in the blower fan insertion mounting hole, the blower rack separates heat dissipation cavity
Into inlet plenum and exhaust chamber, the air inlet and exhaust outlet are connected with inlet plenum and exhaust chamber respectively.
4. a kind of LED projection lamp according to claim 3, it is characterised in that：The shell is with dividing plate for integral type is set.
5. a kind of LED projection lamp according to claim 4, it is characterised in that：Caulking gum is provided with the radiator
Circle and the slot that matches with pin, the slot in the region that sealing rubber ring is surrounded, be provided with the dividing plate with
What sealing rubber ring matched agrees with groove, and the sealing rubber ring insertion agrees with groove.
6. a kind of LED projection lamp according to claim 5, it is characterised in that：Lug boss, institute are provided with the air inlet
State and filter cotton is provided with air inlet, the filter cotton is in the form of a column setting, is provided with the filter cotton and matched with lug boss
Groove, in lug boss insertion groove.
7. a kind of LED projection lamp according to claim 6, it is characterised in that：The heat-radiating substrate is integral type with pin
Set, the pin surface is coated with unsintered tape.
8. a kind of LED projection lamp according to claim 7, it is characterised in that：The obverse and reverse of the blower rack is pasted
There is the waterproof ventilated membrane for covering blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143488.7A CN106838727B (en) | 2017-03-11 | 2017-03-11 | A kind of LED projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143488.7A CN106838727B (en) | 2017-03-11 | 2017-03-11 | A kind of LED projection lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106838727A true CN106838727A (en) | 2017-06-13 |
| CN106838727B CN106838727B (en) | 2019-01-25 |
Family
ID=59144756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710143488.7A Active CN106838727B (en) | 2017-03-11 | 2017-03-11 | A kind of LED projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838727B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162454A (en) * | 2020-09-28 | 2021-01-01 | 狄氏光电科技(苏州)有限公司 | Outdoor LED projection lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2884523Y (en) * | 2005-11-04 | 2007-03-28 | 美的集团有限公司 | Microwave sulfur lamp |
| US20120033419A1 (en) * | 2010-08-06 | 2012-02-09 | Posco Led Company Ltd. | Optical semiconductor lighting apparatus |
| CN103453403A (en) * | 2013-08-30 | 2013-12-18 | 张红英 | LED (light emitting diode) projection lamp with heat sink and control method of LED projection lamp |
| CN204254403U (en) * | 2014-12-11 | 2015-04-08 | 彭依彧 | A kind of LED projector lamp |
-
2017
- 2017-03-11 CN CN201710143488.7A patent/CN106838727B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2884523Y (en) * | 2005-11-04 | 2007-03-28 | 美的集团有限公司 | Microwave sulfur lamp |
| US20120033419A1 (en) * | 2010-08-06 | 2012-02-09 | Posco Led Company Ltd. | Optical semiconductor lighting apparatus |
| CN103453403A (en) * | 2013-08-30 | 2013-12-18 | 张红英 | LED (light emitting diode) projection lamp with heat sink and control method of LED projection lamp |
| CN204254403U (en) * | 2014-12-11 | 2015-04-08 | 彭依彧 | A kind of LED projector lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162454A (en) * | 2020-09-28 | 2021-01-01 | 狄氏光电科技(苏州)有限公司 | Outdoor LED projection lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106838727B (en) | 2019-01-25 |
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