CN209180793U - A kind of high-efficient heat-dissipating downlight - Google Patents
A kind of high-efficient heat-dissipating downlight Download PDFInfo
- Publication number
- CN209180793U CN209180793U CN201920098944.5U CN201920098944U CN209180793U CN 209180793 U CN209180793 U CN 209180793U CN 201920098944 U CN201920098944 U CN 201920098944U CN 209180793 U CN209180793 U CN 209180793U
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- CN
- China
- Prior art keywords
- fixed ring
- heat
- aluminum substrate
- lampshade
- dissipating housing
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- 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.)
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a kind of high-efficient heat-dissipating downlights, including LED component, adjustment component and radiating subassembly, the radiating subassembly is fixed on above the LED component, and the adjustment component is a ring structure, and the LED component is set to the adjustment component internal center.Beneficial effect is: the utility model improves the flowing velocity of central area heat dissipation air, accelerates the heat dissipation of tube lamp light source central area by the way that the cooling fin from center deflector hole air draft is arranged at the top of aluminum substrate；Improve the drawbacks of traditional heat-dissipating piece pool side is connected with each other closing, reserves enough free air spaces for heat dissipation air, enhance heat dissipation effect.
Description
Technical field
The utility model relates to field of light fittings, and in particular to a kind of high-efficient heat-dissipating downlight.
Background technique
Downlight is a kind of illuminator for being embedded into light down-ejection type in ceiling, its maximum feature is to be able to maintain building
The entirety of decoration it is unified with it is perfect, will not because of lamps and lanterns setting and destroy the perfect unity of furred ceiling art.Existing LED downlight
Lamp bead is mounted on aluminum substrate, and center is more intensive, and light decaying is small, and photochromic, brightness is better than traditional energy-saving lamp.
Applicants have discovered that at least there is following technical problem in the prior art: one, since downlight centre position lamp bead is close
Collection, heat concentrate on light source bottom centre, and circuit board medium temperature is high, and lip temperature is low, and middle part lamp bead is easily caused to cross cause thermal damage；
Two, existing downlight diverging cooling fin converges one end and is connected with each other closing, and radiator structure center air is caused to circulate
It has some setbacks, heat dissipation effect is poor.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of high-efficient heat-dissipating downlight, this is practical
Preferred technical solution, which includes, in many technical solutions of novel offer improves tube lamp light source center speed air flow,
Enhance heat dissipation effect, elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme:
A kind of high-efficient heat-dissipating downlight provided by the utility model, including LED component, adjustment component and radiating subassembly, institute
It states radiating subassembly to be fixed on above the LED component, and the adjustment component is a ring structure, and the LED component is arranged
In the adjustment component internal center；
The radiating subassembly includes heat dissipating housing, cooling fin and mini fan, and the mini fan is set to the heat dissipating housing
Top, and being connected to the heat dissipating housing, the heat dissipating housing are the cylindrical structure of a bottom opening, and the cylindrical structure inner tip
It is provided with closing disk, which is the downward arch in convex surface, and the arch waist is provided with deflector hole, the closing disk
Edge is Nian Jie by sealant sealing with cylindrical structure inner sidewall, integrally formed with multiple cooling fins, institute below the closing disk
It states fin collar to be uniformly distributed around deflector hole, and the cooling fin bottom edge is bonded LED component, the heat dissipation between adjacent cooling fin
Air inlet hole is provided on cover side wall.
Using a kind of above-mentioned high-efficient heat-dissipating downlight, in use, mini fan work, by outside air by into
Air holes sucks between multiple cooling fins, and air enters in the air duct that cooling fin, closing disk and aluminum substrate are formed, in miniature wind
Under the suction of machine, air to deflector hole converge, meanwhile, in air flow process due to spacing between multiple cooling fins
Reduce, and the bow-shaped structural effect that closing disk is downwardly convex, width and the height constantly reduction of air duct lead to air
Flow velocity is accelerated, so that aluminum substrate center heat be promoted to be distributed, will carry aluminium base between cooling fin secretly by mini fan
The air of plate heat is extracted out, realizes the cooling effect in aluminum substrate central high temperature region.
Preferably, the LED component includes lampshade and a discoidal aluminum substrate, the lampshade inside top wall is patch
The circle of the aluminum substrate periphery is closed, and lampshade is detachably connected by buckle with aluminum substrate, the aluminum substrate bottom is uniformly distributed
There are multiple LED lamp beads.
Preferably, the adjustment component includes outer fixed ring and interior fixed ring, the interior fixed ring is located at described outer solid
Determine on the inside of ring, the lampshade is located on the inside of the interior fixed ring, and the lampshade, the interior fixed ring and the outer fixed ring are equal
It is arranged concentrically, forms the second shaft on one group of symmetric points of the lampshade lateral wall, the one of the interior fixed ring inner sidewall
The second rotation hole is provided on group symmetric points, and the second shaft other end runs through the second rotation hole, and the second shaft and the
Two rotation hole clearance fits form first rotating shaft, the outer fixed ring on one group of symmetric points of the interior fixed ring lateral wall
It is provided with the first rotation hole on one group of symmetric points of inner sidewall, the first rotating shaft other end runs through the first rotation hole, and the
One shaft and the first rotation hole clearance fit, two first rotating shaft axis are overlapped, and two the second shaft axis are overlapped, and described
First rotating shaft axis is vertical with second shaft axis.
Preferably, the outer fixed ring top two sides are provided with clamp button of the spring, it is described below the clamp button of the spring
Outer fixed ring two sides are fixedly installed with limit plate.
Preferably, the cooling fin is made of aluminium plastic-spraying material.
Preferably, multiple filter screens are provided on the heat dissipating housing inner sidewall, the filter screen and the air inlet hole one
One is corresponding, and the filter screen edge is adhesively fixed on the heat dissipating housing inner wall on the outside of the air inlet hole.
Preferably, the heat dissipating housing bottom inside forms internal screw thread, formed in the aluminum substrate top external circumference
The external screw thread of the internal screw thread can be cooperated, the heat dissipating housing is with the aluminum substrate by being threadedly engaged.
Beneficial effect is: 1, the utility model at the top of aluminum substrate by being arranged the heat dissipation from center deflector hole air draft
Piece improves the flowing velocity of central area heat dissipation air, accelerates the heat dissipation of tube lamp light source central high temperature region；
2, improve the drawbacks of traditional heat-dissipating piece pool side is connected with each other closing, it is empty to reserve enough circulations for heat dissipation air
Between, and air is directly contacted with heat source, enhances heat dissipation effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model；
Fig. 3 is the bottom substance schematic diagram of the utility model；
Fig. 4 is the overlooking structure diagram of the utility model cooling fin.
The reference numerals are as follows:
1, LED component；101, lampshade；102, aluminum substrate；103, LED lamp bead；2, component is adjusted；201, outer fixed ring；
202, clamp button of the spring；203, interior fixed ring；204, first rotating shaft；205, the second shaft；206, limit plate；3, radiating subassembly；
301, heat dissipating housing；302, disk is closed；303, cooling fin；304, mini fan；305, air inlet hole；306, deflector hole.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Shown in referring to figures 1-4, the utility model provides a kind of high-efficient heat-dissipating downlight, including LED component 1, adjustment
Component 2 and radiating subassembly 3, radiating subassembly 3 is fixed on 1 top of LED component, and adjusts component 2 as a ring structure, and LED group
Part 1 is set to adjustment 2 inside center of component, and adjustment component 2 is adjusted to the luminous irradiating angle to LED component 1；
Radiating subassembly 3 includes heat dissipating housing 301, cooling fin 303 and mini fan 304, and mini fan 304 is set to heat dissipating housing
301 tops, and be connected to heat dissipating housing 301, mini fan 304 is micro-centrifugal fan, for accelerating air stream in heat dissipating housing 301
Dynamic, heat dissipating housing 301 is the cylindrical structure of a bottom opening, and the cylindrical structure inner tip is provided with closing disk 302, the closing
302 section of disk is the downward arch in convex surface, and the arch waist is provided with deflector hole 306, closes 302 edge of disk and cylindrical structure
Inner sidewall is sealed by sealant and is bonded, and integrally formed with multiple cooling fins 303, cooling fin 303 surround and leads 302 lower section of closing disk
Discharge orifice 306 is uniformly distributed, and closing disk 302 is for closing multiple 303 top areas of cooling fin, so that disk 302 will be closed
303 region of cooling fin of lower section forms a plurality of air flow passage, and 303 bottom edge of cooling fin is bonded LED component 1, and adjacent dissipates
Air inlet hole 305 is provided on 301 side wall of heat dissipating housing between backing 303.
As optional embodiment, LED component 1 includes lampshade 101 and a discoidal aluminum substrate 102, and lampshade 101 pushes up
Portion's inner sidewall is the circle for being bonded 102 periphery of aluminum substrate, and lampshade 101 is detachably connected by buckle with aluminum substrate 102, aluminium
102 bottom of substrate is evenly equipped with multiple LED lamp beads 103, so set, by detachably being connected lampshade 101 and aluminum substrate 102
It connects, when needing to carry out repair and replacement to LED lamp bead 103, quickly lampshade 101 can be dismantled；
Adjusting component 2 includes outer fixed ring 201 and interior fixed ring 203, and interior fixed ring 203 is located at outer 201 inside of fixed ring,
Lampshade 101 is located at interior 203 inside of fixed ring, and lampshade 101, interior fixed ring 203 are arranged concentrically with outer fixed ring 201, lampshade
Form the second shaft 205 on one group of symmetric points of 101 lateral walls, on one group of symmetric points of interior 203 inner sidewall of fixed ring
It is provided with the second rotation hole, 205 other end of the second shaft runs through the second rotation hole, and between the second shaft 205 and the second rotation hole
Gap cooperation, forms first rotating shaft 204 on one group of symmetric points of interior 203 lateral wall of fixed ring, and the one of outer 201 inner sidewall of fixed ring
Be provided with the first rotation hole on group symmetric points, 204 other end of first rotating shaft runs through the first rotation hole, and first rotating shaft 204 with
First rotation hole clearance fit, two 204 axis of first rotating shaft are overlapped, and two 205 axis of the second shaft are overlapped, and first turn
204 axis of axis is vertical with 205 axis of the second shaft, and outer fixed ring 201, interior fixed ring 203 and lampshade 101 are the modeling of TPE elasticity
Material is expected, so set, needing to irradiate LED component 1 by the way that one group of second shaft 205 is arranged on 101 lateral wall of lampshade
When angle is adjusted, by rotating lampshade 101, lampshade 101 is under the support of the second shaft 205, along 205 circumference of the second shaft
Direction rotation, while interior fixed ring 203 drives lampshade 101 to turn along 204 axis of first rotating shaft under the support of first rotating shaft 204
It is dynamic, to be adjusted to 1 irradiating angle of LED component；
Outer 201 top two sides of fixed ring are provided with clamp button of the spring 202, and 201 liang of outer fixed ring of 202 lower section of clamp button of the spring
Side is fixedly installed with limit plate 206, so set, in downlight use process, by each in outer 201 top two sides of fixed ring
One clamp button of the spring 202 is set, is conducive to accelerate downlight dismounting speed；
Cooling fin 303 is made of aluminium plastic-spraying material, so set, being improved by the cooling fin 303 of setting aluminium plastic-spraying material
The heat-transfer rate of cooling fin 303 in downlight lighting process improves heat dissipation effect；
Multiple filter screens are provided on 301 inner sidewall of heat dissipating housing, filter screen and air inlet hole 305 correspond, and filter selvage
Along 301 inner wall of heat dissipating housing for being adhesively fixed on 305 outside of air inlet hole, so set, passing through the heat dissipation in 305 outside of air inlet hole
It covers and is bonded filter screen on 301 inner walls, can be imported in air event by air inlet hole 305 into heat dissipating housing 301, avoid extraneous ash
Dirt enters downlight, reduces downlight equipment damage probability caused by dust；
301 bottom inside of heat dissipating housing forms internal screw thread, and internal screw thread can be cooperated by forming in 102 top external circumference of aluminum substrate
External screw thread, heat dissipating housing 301 and aluminum substrate 102 in 301 installation process of heat dissipating housing, pass through heat dissipating housing 301 by being threadedly engaged
With being threadedly engaged for aluminum substrate 102, be adjacent to cooling fin 303 for turning at the top of aluminum substrate 102, thus complete heat dissipating housing 301 with
The connection of aluminum substrate 102, so set, improving radiating subassembly 3 by the way that heat dissipating housing 301 to be threadedly coupled with aluminum substrate 102
With the dismounting convenience of LED component 1.
Using the above structure, in use, mini fan 304 works, and outside air is sucked by air inlet hole 305
Between multiple cooling fins 303, air enters in the air duct that cooling fin 303, closing disk 302 and aluminum substrate 102 are formed, micro-
Under the suction of type blower 304, air is converged to deflector hole 306, meanwhile, due to multiple cooling fins in air flow process
The reduction of spacing between 303, and the bow-shaped structural effect that closing disk 302 is downwardly convex, the width and height of air duct
Constantly reduction, causes air velocity to be accelerated, so that 102 center heat of aluminum substrate be promoted to be distributed, passes through mini fan
304 extract the air for carrying 102 heat of aluminum substrate between cooling fin 303 secretly out, realize the cooling in 102 central high temperature region of aluminum substrate
Effect；
By the way that the cooling fin 303 from 306 air draft of center deflector hole is arranged at the top of aluminum substrate 102, improves central area and dissipate
The flowing velocity of hot-air accelerates the heat dissipation of tube lamp light source central high temperature region；Improve 303 pool side of traditional heat-dissipating piece to be connected with each other
The drawbacks of closing, reserves enough free air spaces for heat dissipation air, and air is directly contacted with heat source, enhances heat dissipation effect.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of high-efficient heat-dissipating downlight, it is characterised in that: including LED component (1), component (2) and radiating subassembly (3) are adjusted,
The radiating subassembly (3) is fixed on above the LED component (1), and the adjustment component (2) is a ring structure, and described
LED component (1) is set to adjustment component (2) inside center；
The radiating subassembly (3) includes heat dissipating housing (301), cooling fin (303) and mini fan (304), the mini fan
(304) it is set at the top of the heat dissipating housing (301), and is connected to the heat dissipating housing (301), the heat dissipating housing (301) is a bottom
The cylindrical structure of portion's opening, and the cylindrical structure inner tip is provided with closing disk (302), which is convex
Arch downwards, and the arch waist is provided with deflector hole (306), on the inside of the closing disk (302) edge and cylindrical structure
Wall is sealed by sealant and is bonded, integrally formed with multiple cooling fins (303), the cooling fin below the closing disk (302)
(303) it is uniformly distributed around deflector hole (306), and the cooling fin (303) bottom edge fitting LED component (1), adjacent cooling fin
(303) air inlet hole (305) are provided on heat dissipating housing (301) side wall between.
2. a kind of high-efficient heat-dissipating downlight according to claim 1, it is characterised in that: the LED component (1) includes lampshade
(101) and a discoidal aluminum substrate (102), lampshade (101) the inside top wall are to be bonded aluminum substrate (102) circumference
The circle in face, and lampshade (101) is detachably connected by buckle with aluminum substrate (102), aluminum substrate (102) bottom is evenly equipped with
Multiple LED lamp beads (103).
3. a kind of high-efficient heat-dissipating downlight according to claim 2, it is characterised in that: the adjustment component (2) includes outer solid
Determine ring (201) and interior fixed ring (203), the interior fixed ring (203) is located on the inside of the outer fixed ring (201), the lampshade
(101) it is located on the inside of the interior fixed ring (203), and the lampshade (101), the interior fixed ring (203) and the outer fixation
Ring (201) is arranged concentrically, and is formed the second shaft (205) on one group of symmetric points of lampshade (101) lateral wall, described
The second rotation hole is provided on one group of symmetric points of interior fixed ring (203) inner sidewall, the second shaft (205) other end passes through
Wear the second rotation hole, and the second shaft (205) and the second rotation hole clearance fit, the one of interior fixed ring (203) lateral wall
It is formed first rotating shaft (204) on group symmetric points, the is provided on one group of symmetric points of outer fixed ring (201) inner sidewall
One rotation hole, first rotating shaft (204) other end run through the first rotation hole, and between first rotating shaft (204) and the first rotation hole
Gap cooperation, two first rotating shaft (204) axis are overlapped, and two the second shaft (205) axis are overlapped, and the first rotating shaft
(204) axis is vertical with the second shaft (205) axis.
4. a kind of high-efficient heat-dissipating downlight according to claim 3, it is characterised in that: outer fixed ring (201) top two
Side is provided with clamp button of the spring (202), the fixed peace in outer fixed ring (201) two sides below the clamp button of the spring (202)
Equipped with limit plate (206).
5. a kind of high-efficient heat-dissipating downlight according to claim 4, it is characterised in that: the cooling fin (303) is aluminium plastic-spraying
Material is made.
6. a kind of high-efficient heat-dissipating downlight according to claim 5, it is characterised in that: on heat dissipating housing (301) inner sidewall
Multiple filter screens are provided with, the filter screen and the air inlet hole (305) correspond, and the filter screen edge is adhesively fixed on
On the heat dissipating housing (301) inner wall on the outside of the air inlet hole (305).
7. a kind of high-efficient heat-dissipating downlight according to claim 6, it is characterised in that: heat dissipating housing (301) bottom inside
Internal screw thread is formed, the external screw thread that can cooperate the internal screw thread is formed in aluminum substrate (102) top external circumference, it is described to dissipate
Heat cover (301) is with the aluminum substrate (102) by being threadedly engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098944.5U CN209180793U (en) | 2019-01-22 | 2019-01-22 | A kind of high-efficient heat-dissipating downlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098944.5U CN209180793U (en) | 2019-01-22 | 2019-01-22 | A kind of high-efficient heat-dissipating downlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209180793U true CN209180793U (en) | 2019-07-30 |
Family
ID=67378791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920098944.5U Expired - Fee Related CN209180793U (en) | 2019-01-22 | 2019-01-22 | A kind of high-efficient heat-dissipating downlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209180793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432086A (en) * | 2020-11-25 | 2021-03-02 | 浙江北光科技股份有限公司 | LED (light-emitting diode) down lamp |
| CN115111545A (en) * | 2022-07-12 | 2022-09-27 | 嘉兴市永帝照明电器有限公司 | Straight luminous interchangeable lamp strip panel light that radiating effect is good |
-
2019
- 2019-01-22 CN CN201920098944.5U patent/CN209180793U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432086A (en) * | 2020-11-25 | 2021-03-02 | 浙江北光科技股份有限公司 | LED (light-emitting diode) down lamp |
| CN112432086B (en) * | 2020-11-25 | 2022-06-17 | 浙江北光科技股份有限公司 | LED (light-emitting diode) down lamp |
| CN115111545A (en) * | 2022-07-12 | 2022-09-27 | 嘉兴市永帝照明电器有限公司 | Straight luminous interchangeable lamp strip panel light that radiating effect is good |
| CN115111545B (en) * | 2022-07-12 | 2023-02-03 | 嘉兴市永帝照明电器有限公司 | Straight luminous interchangeable lamp strip panel light that radiating effect is good |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 Termination date: 20210122 |