CN108006548A - The high-power LED lamp that a kind of power supply is thermally isolated - Google Patents
The high-power LED lamp that a kind of power supply is thermally isolated Download PDFInfo
- Publication number
- CN108006548A CN108006548A CN201711229081.2A CN201711229081A CN108006548A CN 108006548 A CN108006548 A CN 108006548A CN 201711229081 A CN201711229081 A CN 201711229081A CN 108006548 A CN108006548 A CN 108006548A
- Authority
- CN
- China
- Prior art keywords
- power
- storehouse
- led lamp
- radiating shell
- radiating
- 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.)
- Pending
Links
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
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/023—Power supplies in a casing
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/508—Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
-
- 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
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
-
- 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
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The present invention proposes the high-power LED lamp that a kind of power supply is thermally isolated, it is possible to increase the safety and reliability of high-power LED lamp own power source, reduces the adverse effect brought by heat dissipation to power storehouse.In the high-power LED lamp that the power supply is thermally isolated, radiator grille forms light source storehouse with light source board and radiating shell, and power storehouse is connected with radiating shell back fixation；Power storehouse is relatively independent with radiating shell and keeps spacing；Radiating shell back forms one group of boss between radiating fin, and one group of screw of power storehouse underrun is connected fixation with one group of boss, and keeps spacing with lower section radiating fin, realizes the fixed installation of power storehouse；Radiating shell back also forms connecting pole at least one, and connecting pole there is central passage connect with light source storehouse to wear link, power storehouse bottom surface be provided with the matched interface of the connecting pole, and in the heat-insulated cushion rubber of joint setting sealing.
Description
Technical field
The present invention relates to a kind of high-power LED lamp.
Background technology
The general of high-power LED lamp is made of radiator grille, light source board, radiating shell and power storehouse, power storehouse usually with
The back of radiating shell region of leaving blank is bottom, and power circuit wears the corresponding interface being connected on light source board through radiating shell.LED chip
Generally by heat transfer (connection of light source board and radiating shell) and convection current, (usual light source board, which is additionally provided with stomata, increases air pair
Stream) realize heat dissipation.
During high-power LED lamp works long hours, since the high heat of heat transfer and convection current generation may influence
The safety and normal work of power supply.In order to reduce influence of the high heat to power supply, common scheme has：
(1) the distance between power storehouse and radiating fin are increased, that is, increases the distance of heat transfer.But for equal
The radiating shell of size, it is such to design the lance for also just more causing radiating fin quantity in the size and radiating shell of power storehouse
Shield, leaves blank (reduction radiating fin), then the radiating efficiency of radiating shell will reduce around power storehouse.
(2) volume of radiating shell is increased to improve radiating efficiency.Such design minimizes with this area product, is light-duty
The common requirements of change are runed counter to, it is difficult to are promoted and applied.
In addition, the installation of light source board, radiating shell and power storehouse must assure that circuit assembling, water-proof sealing etc. are basic
It is required that.At present, there is not yet the scheme effectively to solve the above problems.
The content of the invention
The purpose of the present invention is improving the safety and reliability of high-power LED lamp own power source, reduce because of heat dissipation pair
The adverse effect that power storehouse is brought, proposes the high-power LED lamp that a kind of power supply is thermally isolated.
Technical scheme is as follows：
The high-power LED lamp that the power supply is thermally isolated includes radiator grille, light source board, radiating shell and the power supply set gradually
Storehouse, the radiator grille form light source storehouse with light source board and radiating shell, and power storehouse is connected with radiating shell back fixation；It is different
What it is in the prior art is：
The power storehouse is relatively independent with radiating shell and keeps spacing；
Radiating shell back forms one group of boss, one group of screw of power storehouse underrun and described one between radiating fin
Group boss connection is fixed, and keeps spacing with lower section radiating fin, realizes the fixed installation of power storehouse；
Radiating shell back also forms connecting pole at least one, and connecting pole is connected with light source storehouse with central passage and connect with wearing
Circuit, power storehouse bottom surface be provided with the matched interface of the connecting pole, and set in joint and seal heat-insulated cushion rubber.
Based on above scheme, the present invention further makes following important optimization：
Fixed installation structure of the power storehouse at radiating shell back can be specifically：The head of screw position of above-mentioned one group of screw
In power storehouse side, screw rod insertion boss；Boss surface is provided with a ring recess corresponding to screw rod periphery, and power storehouse bottom surface corresponds to institute
It is raised to state the circle that a ring recess is formed straight down, sealing heat insulating washer is provided with a ring recess so that a circle
Projection contacts and the annulus central area for extruding the sealing heat insulating washer (realization is reliably fixedly connected and seals).
The dependency structure for wearing link is specially：The periphery of connecting pole is provided with the second annular groove, and power storehouse bottom surface corresponds to
Second annular groove is provided with the second annular protrusion straight down, and the second annular protrusion has central passage and internal diameter is more than
The outside diameter of connecting pole, is provided with the second sealing heat insulating washer in the second annular groove so that the second annular protrusion contact is simultaneously
The annulus central area of the sealing heat insulating washer of extruding second.
Above-mentioned connecting pole is also disposed on boss, that is, the connection structure worn link and be fixedly mounted is based on radiating shell
The boss at back is realized.
It is also aerial between above-mentioned power storehouse bottom surface and lower section radiating fin to be provided with thermal insulation board (heat-insulated so as to fulfill two level),
Thermal insulation board is connected with radiating shell fixes and avoids one group of screw and connecting pole.
The region that above-mentioned radiating shell back corresponds to power storehouse is arranged to short radiating fin region, the heat dissipation in the region
Height of the height of fin less than the radiating fin of periphery.The radiating efficiency of radiating shell, and one can be increased by optimizing this region
Determine to form air passage in degree, be more conducive to the heat dissipation of power storehouse.Certainly, radiating shell back corresponds to this portion of power storehouse
Subregion also can be entirely sky.
It is sealing structure between above-mentioned light source board and radiating shell, i.e. radiating shell does not have unnecessary through hole etc., is not present
Thermal convection current passage.
The above-mentioned preferred nylon screw of screw, compared to metallic screw, can further increase thermal resistance, and with insulation effect
Fruit.
The present invention has the following advantages：
Independent power storehouse and light source storehouse are divided, light source storehouse (and radiating shell) keeps spacing between power storehouse, leads to
Connection column sealing is crossed, protects and wears link, is only installed and fixed by screw, significantly reduce physical contact area so that heat passes
Guiding path is only screw, plays the role of being thermally isolated well.
Specific sealing heat insulating washer Hermetical connecting structure, can either reliable tightening, and completely cut off heat transfer to greatest extent,
Especially wear and only form contact at link at sealing heat insulating washer, no metal contact.
Thermal insulation board is set up between light source storehouse and power storehouse, realizes further heat-insulated, avoids thermal convection current.
The present invention improves high-power LED lamp itself electricity on the premise of the reliable installation of power storehouse and cabling is ensured
The safety and reliability in source.Independent light source storehouse and power storehouse also attended operation individually to do targetedly to handle.
Brief description of the drawings
Fig. 1 is the overall structure diagram (sectional view) of the present invention.
Fig. 2 is the schematic diagram of Fig. 1 side-looking directions.
Fig. 3, Fig. 4 are the thin portion enlarged drawing that structure is fixedly mounted in power storehouse, when wherein Fig. 3 is does not insert sealing heat insulating washer
Schematic diagram.
Fig. 5, Fig. 6 are the thin portion enlarged drawing of power circuit Wiring structure, and wherein Fig. 5 is when not inserting sealing heat insulating washer
Schematic diagram.
Fig. 7 is the schematic diagram that thermal insulation board is added based on structure shown in Fig. 1.
Fig. 8 is the thin portion enlarged drawing of (heat-insulated board mounting structure) at A in Fig. 7.
Drawing reference numeral explanation：
1- radiator grilles；
2- light source boards；
3- radiating shells；
301- radiating fins；The short radiating fins of 3011-；
302- (being used for what is be fixedly mounted) boss；3021- (boss surface) first annular groove；
303- (is used to wear link) connecting pole；3031- (connecting pole periphery) second annular groove；
4- power storehouses；
4021- (auxiliary installation fixation) first annular protrusion；4031- (is used to wear link, has central duct)
Second annular protrusion；
5- screws；
The first sealing heat insulating washers of 6- (installation fixed connection place)；
7- (wearing link interface) second seals heat insulating washer；
8- thermal insulation boards；The mounting screw of 801- thermal insulation boards；
9- cable tray (central passage).
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, 2, the high-power LED lamp which is thermally isolated, including radiator grille 1, the light source board set gradually
2nd, radiating shell 3 and power storehouse 4, radiator grille form light source storehouse with light source board and radiating shell, and power storehouse is carried on the back with radiating shell
Portion is fixedly connected, and is short radiating fin 3011 below power storehouse.
Power storehouse 4 is relatively independent with radiating shell 3 and keeps spacing；Radiating shell back shape between radiating fin 301
Into one group of boss 302 (being typically distributed about four angles), one group of screw 5 of power storehouse underrun is connected fixation with boss 302, and with
Lower section radiating fin keeps spacing, realizes the fixed installation of power storehouse.Specifically as shown in Figure 3, Figure 4：The head of screw position of screw 5
In power storehouse side, screw rod insertion boss 302；Boss surface is provided with first annular groove 3021, power supply corresponding to screw rod periphery
Orlop face correspond to first annular groove 3021 formed straight down first annular raised 4021, is provided with first annular groove
One sealing heat insulating washer 6 so that first annular raised 4021 contact and extrude the annulus center of the first sealing heat insulating washer 6
Domain.
Radiating shell back also forms connecting pole at least one, and (connecting pole can be also disposed at some or two boss
On 302), there is connecting pole central passage to be connected with light source storehouse to wear link, and power storehouse bottom surface is provided with to be matched with connecting pole
Sealed interface.Wear the dependency structure of link specifically as shown in Figure 5, Figure 6：The periphery of connecting pole is provided with the second annular groove
3031, power storehouse bottom surface the second annular groove 3031 of correspondence is provided with the second annular protrusion 4031 straight down, the second convex annular
Rise with central passage and internal diameter is more than the outside diameter of connecting pole, the second sealing heat insulating washer is provided with the second annular groove 3031
7 so that the second annular protrusion 4031 contacts and extrudes the annulus central area of the second sealing heat insulating washer 7.
The region that radiating shell back corresponds to power storehouse is arranged to short radiating fin, so can both increase radiating shell
Radiating efficiency, and air passage is formd to a certain extent, it is more conducive to the heat dissipation of power storehouse.
As shown in Figure 7, Figure 8, the present embodiment is also provided with the second level and is thermally isolated, i.e., in power storehouse bottom surface and lower section radiating fin
Also aerial between piece to set thermal insulation board 8, thermal insulation board is connected fixed with radiating shell and avoids foregoing screw 5 and connecting pole 303, from
And reduce thermal convection current.
In addition, being sealing structure between light source board and radiating shell, in addition to cabling perforate, other through holes are no longer opened up (such as
Spare through hole need to be set, plug is also accordingly set), further reduce thermal convection current.
Claims (8)
1. the high-power LED lamp that a kind of power supply is thermally isolated, including radiator grille (1), light source board (2), the radiation shell set gradually
Body (3) and power storehouse (4), the radiator grille form light source storehouse with light source board and radiating shell, and power storehouse is carried on the back with radiating shell
Portion is fixedly connected；It is characterized in that：
The power storehouse (4) is relatively independent with radiating shell (3) and keeps spacing；
Radiating shell back forms one group of boss (302), one group of screw of power storehouse underrun between radiating fin (301)
(5) fixation is connected with one group of boss (302), and spacing is kept with lower section radiating fin, realizes the fixed installation of power storehouse；
Radiating shell back also forms connecting pole (303) at least one, and there is connecting pole central passage to be connected with light source storehouse to wear
Link, power storehouse bottom surface are provided with and the matched sealed interface of the connecting pole.
2. the high-power LED lamp that power supply according to claim 1 is thermally isolated, it is characterised in that：One group of screw (5)
Screw head be located at power storehouse side, screw rod insertion boss (302)；Boss surface is provided with the first ring corresponding to screw rod periphery
Shape groove (3021), power storehouse bottom surface correspond to the first annular protrusion of first annular groove (3021) formation straight down
(4021), the first sealing heat insulating washer (6) is provided with the first annular groove so that first annular raised (4021)
Contact and extrude the annulus central area of the first sealing heat insulating washer (6).
3. the high-power LED lamp that power supply according to claim 1 is thermally isolated, it is characterised in that：Wear the correlation of link
Structure is specially：The periphery of connecting pole is provided with the second annular groove (3031), and power storehouse bottom surface corresponds to second annular groove
(3031) the second annular protrusion (4031) straight down is provided with, the second annular protrusion has central passage and internal diameter is more than company
The outside diameter of column is connect, is provided with the second sealing heat insulating washer (7) in the second annular groove (3031) so that second annular protrusion
(4031) contact and extrude the annulus central area of the second sealing heat insulating washer (7).
4. the high-power LED lamp that power supply according to claim 1 is thermally isolated, it is characterised in that：The connecting pole (303)
It is also disposed on boss (302).
5. the high-power LED lamp that power supply according to claim 1 is thermally isolated, it is characterised in that：The power storehouse bottom surface
Also aerial between the radiating fin of lower section to be provided with thermal insulation board (8), thermal insulation board is connected with radiating shell fixes and avoids described one
Group screw and connecting pole.
6. the high-power LED lamp that power supply according to claim 1 is thermally isolated, it is characterised in that：The radiating shell back of the body
The region that portion corresponds to power storehouse is arranged to short radiating fin region, height the dissipating less than periphery of the radiating fin in the region
The height of hot fin.
7. the high-power LED lamp that power supply according to claim 1 is thermally isolated, it is characterised in that：The light source board is with dissipating
It is sealing structure between hot housing.
8. the high-power LED lamp that power supply according to claim 1 is thermally isolated, it is characterised in that：The screw uses Buddhist nun
Imperial screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229081.2A CN108006548A (en) | 2017-11-29 | 2017-11-29 | The high-power LED lamp that a kind of power supply is thermally isolated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229081.2A CN108006548A (en) | 2017-11-29 | 2017-11-29 | The high-power LED lamp that a kind of power supply is thermally isolated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108006548A true CN108006548A (en) | 2018-05-08 |
Family
ID=62055005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711229081.2A Pending CN108006548A (en) | 2017-11-29 | 2017-11-29 | The high-power LED lamp that a kind of power supply is thermally isolated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006548A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440163A (en) * | 2019-07-12 | 2019-11-12 | 海洋王照明科技股份有限公司 | Lamps and lanterns |
| CN110486666A (en) * | 2019-07-12 | 2019-11-22 | 海洋王照明科技股份有限公司 | Aircraft assisted illuminating lamp |
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| CN206419768U (en) * | 2017-01-18 | 2017-08-18 | 东莞市鑫勤光电科技有限公司 | A kind of heat dissipation type high LED projector lamp |
| CN207716280U (en) * | 2017-11-29 | 2018-08-10 | 西安锐泽克斯光电科技有限公司 | A kind of high-power LED lamp that power supply is thermally isolated |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865721A (en) * | 2005-05-21 | 2006-11-22 | 民网络株式会社 | Gasket and bolt and nut |
| CN2859218Y (en) * | 2005-12-29 | 2007-01-17 | 陈邦汉 | LED high-power lamp |
| CN201072111Y (en) * | 2007-09-25 | 2008-06-11 | 王其林 | Vertical type LED lamp with air convection warehouse |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440163A (en) * | 2019-07-12 | 2019-11-12 | 海洋王照明科技股份有限公司 | Lamps and lanterns |
| CN110486666A (en) * | 2019-07-12 | 2019-11-22 | 海洋王照明科技股份有限公司 | Aircraft assisted illuminating lamp |
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Effective date of registration: 20180626 Address after: 710065 A Xi'an, 181 West Taibai Road, Xi'an High-tech Zone, Shaanxi, China. Applicant after: Xi'an ruanx Optoelectronic Technology Co., Ltd. Address before: 710065 room A102, block A, 181 Taibai South Road, Xi'an high tech Zone, Shaanxi Applicant before: Xi'an Zhihai Power Technology Co., Ltd. |
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Address after: 710065 A Xi'an, 181 West Taibai Road, Xi'an High-tech Zone, Shaanxi, China. Applicant after: Xi'an ruanx Optoelectronic Technology Co., Ltd. Address before: 710065 A Xi'an, 181 West Taibai Road, Xi'an High-tech Zone, Shaanxi, China. Applicant before: Xi'an ruanx Optoelectronic Technology Co., Ltd. |
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