CN207716280U - A kind of high-power LED lamp that power supply is thermally isolated - Google Patents
A kind of high-power LED lamp that power supply is thermally isolated Download PDFInfo
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- CN207716280U CN207716280U CN201721627524.9U CN201721627524U CN207716280U CN 207716280 U CN207716280 U CN 207716280U CN 201721627524 U CN201721627524 U CN 201721627524U CN 207716280 U CN207716280 U CN 207716280U
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- power
- storehouse
- led lamp
- radiating shell
- radiating
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Abstract
The utility model proposes a kind of high-power LED lamps that power supply is thermally isolated, and can improve the safety and reliability of high-power LED lamp own power source, reduce because of the adverse effect brought to power storehouse that radiates.In the high-power LED lamp that the power supply is thermally isolated, radiator grille constitutes light source storehouse with light source board and radiating shell, and power storehouse is connect 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 and fixed 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 be connected to light source storehouse to wear link, power storehouse bottom surface be provided with the matched interface of the connecting pole, and the heat-insulated cushion rubber of sealing is set in joint.
Description
Technical field
The utility model is related to a kind of high-power LED lamps.
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
Region is left a blank the bottom of as in the back of radiating shell, 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 is additionally provided with stomata and 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 same
The radiating shell of size, such lance for designing radiating fin quantity in the size and radiating shell that also just more lead to power storehouse
Shield, leaves a blank around power storehouse and (reduces radiating fin), then the radiating efficiency of radiating shell will reduce.
(2) increase the volume of radiating shell to improve radiating efficiency.Such design minimizes with this field product, is light-duty
The common requirements of change are runed counter to, it is difficult to be promoted and applied.
In addition, the installation of light source board, radiating shell and power storehouse must assure that circuit assembly, water-proof sealing etc. are basic
It is required that.Currently, there is not yet the scheme effectively to solve the above problems.
Utility model content
The purpose of this utility model is to improve the safety and reliability of high-power LED lamp own power source, is reduced because dissipating
The adverse effect that heat brings power storehouse proposes a kind of high-power LED lamp that power supply is thermally isolated.
The technical solution of the utility model is as follows：
The high-power LED lamp that the power supply is thermally isolated includes the radiator grille set gradually, light source board, radiating shell and power supply
Storehouse, the radiator grille constitute light source storehouse with light source board and radiating shell, and power storehouse is connect 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 is connected and 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 to light source storehouse with central passage and is connect with wearing
Circuit, power storehouse bottom surface be provided with the matched interface of the connecting pole, and setting seals heat-insulated cushion rubber in joint.
Based on above scheme, the utility model 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 is inserted into 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 in a ring recess so that a circle
Projection contacts and the annulus central area for squeezing 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 outer 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
Squeeze the annulus central area of the second sealing heat insulating washer.
Above-mentioned connecting pole is also disposed on boss, that is, the connection structure for wearing link and fixed installation 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 (to realize that two level is heat-insulated),
Thermal insulation board is connected and fixed with radiating shell and avoids one group of screw and connecting pole.
The region that above-mentioned radiating shell back corresponds to power storehouse is set as 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 duct in degree, is 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 extra through-hole etc., is not present
Thermal convection current channel.
The above-mentioned preferred nylon screw of screw can further increase thermal resistance, and with insulation effect compared to metallic screw
Fruit.
The utility model 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 is 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,
It especially wears and only forms 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 utility model improves high-power LED lamp certainly under the premise of ensuring the reliable installation of power storehouse and cabling
The safety and reliability of body power supply.Independent light source storehouse and power storehouse are but also attended operation can individually be done targetedly locates
Reason.
Description of the drawings
Fig. 1 is the overall structure diagram (sectional view) of the utility model.
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, and wherein Fig. 3 is when not inserting 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 increased 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- (for fixed installation) boss；3021- (boss surface) first annular slot；
303- (for wearing link) connecting pole；3031- (connecting pole periphery) second annular groove；
4- power storehouses；
4021- (auxiliary installation is fixed) first annular protrusion；4031- (for wearing link, with 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).
Specific implementation mode
The utility model 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 the radiator grille 1, the light source board that set gradually
2, radiating shell 3 and power storehouse 4, radiator grille constitute 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
At one group of boss 302 (being typically distributed about four angles), one group of screw 5 of power storehouse underrun is connected and fixed with boss 302, and with
Lower section radiating fin keeps spacing, realizes the fixed installation of power storehouse.It is specific as shown in Figure 3, Figure 4：The head of screw position of screw 5
In power storehouse side, screw rod is inserted into boss 302；Boss surface is provided with first annular slot 3021, power supply corresponding to screw rod periphery
Orlop face correspond to first annular slot 3021 formed straight down first annular raised 4021, the is provided in first annular slot
One sealing heat insulating washer 6 so that first annular raised 4021 contact and squeeze 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 be connected to light source storehouse to wear link, and power storehouse bottom surface is provided with to be matched with connecting pole
Sealed interface.The dependency structure for wearing link is 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 corresponds to the second annular groove 3031 and is provided with the second annular protrusion 4031 straight down, the second convex annular
It rises with central passage and internal diameter is more than the outer diameter of connecting pole, the second sealing heat insulating washer is provided in the second annular groove 3031
7 so that the second annular protrusion 4031 contacts and squeezes the annulus central area of the second sealing heat insulating washer 7.
The region that radiating shell back corresponds to power storehouse is set as short radiating fin, can both increase radiating shell in this way
Radiating efficiency, and air duct 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 setting thermal insulation board 8, thermal insulation board are connected and fixed and avoid aforementioned screw 5 and connecting pole 303 with radiating shell between piece, from
And reduce thermal convection current.
In addition, no longer opening up other through-holes (such as in addition to cabling trepanning between light source board and radiating shell for sealing structure
Spare through-hole need to be set, plug is also accordingly set), it is further reduced thermal convection current.
Claims (8)
1. a kind of high-power LED lamp that power supply is thermally isolated, including the radiator grille (1), light source board (2), the radiation shell that set gradually
Body (3) and power storehouse (4), the radiator grille constitute 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) it is connected and fixed with one group of boss (302), and spacing is kept with lower section radiating fin, realize 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 to 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 is inserted into boss (302)；Boss surface is provided with the first ring corresponding to screw rod periphery
Shape slot (3021), power storehouse bottom surface correspond to the first annular protrusion of first annular slot (3021) formation straight down
(4021), the first sealing heat insulating washer (6) is provided in the first annular slot so that first annular raised (4021)
Contact and squeeze 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) it is provided with the second annular protrusion (4031) straight down, the second annular protrusion has central passage and internal diameter is more than company
The outer diameter for connecing column is provided with the second sealing heat insulating washer (7) so that second annular protrusion in the second annular groove (3031)
(4031) contact and squeeze 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 and fixed with radiating shell 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 set as 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 with dissipate
It is sealing structure between hot shell.
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 |
|---|---|---|---|
| CN201721627524.9U CN207716280U (en) | 2017-11-29 | 2017-11-29 | A kind of high-power LED lamp that power supply is thermally isolated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627524.9U CN207716280U (en) | 2017-11-29 | 2017-11-29 | A kind of high-power LED lamp that power supply is thermally isolated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207716280U true CN207716280U (en) | 2018-08-10 |
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ID=63057691
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721627524.9U Active CN207716280U (en) | 2017-11-29 | 2017-11-29 | A kind of high-power LED lamp that power supply is thermally isolated |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006548A (en) * | 2017-11-29 | 2018-05-08 | 西安智海电力科技有限公司 | The high-power LED lamp that a kind of power supply is thermally isolated |
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2017
- 2017-11-29 CN CN201721627524.9U patent/CN207716280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006548A (en) * | 2017-11-29 | 2018-05-08 | 西安智海电力科技有限公司 | The high-power LED lamp that a kind of power supply is thermally isolated |
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