CN207569707U - Wind-cooling heat dissipating type LED downlight - Google Patents
Wind-cooling heat dissipating type LED downlight Download PDFInfo
- Publication number
- CN207569707U CN207569707U CN201721737698.0U CN201721737698U CN207569707U CN 207569707 U CN207569707 U CN 207569707U CN 201721737698 U CN201721737698 U CN 201721737698U CN 207569707 U CN207569707 U CN 207569707U
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- Prior art keywords
- ventilating duct
- hose
- fixed
- air
- light emitting
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Abstract
The utility model is related to a kind of wind-cooling heat dissipating type LED downlights, several ventilating ducts are fixedly mounted in light emitting surface cover and fixed board mount, the extraneous inner cavity with back casing of ventilating duct connection, two ventilating ducts about fixed plate center symmetric setting are located at one end in back casing and are connected by hose, ventilating duct flare, after air enters ventilating duct, since the radius that ventilating duct connect with hose one end is less than the radius of the one end that is in communication with the outside, air-flow from ventilating duct enter hose when, flow velocity and air pressure increase, increase the air flowing in hose, by the cooling air in hose, it will be taken away positioned at the heat of rear shell intracoelomic cavity, and then increase the heat-transfer rate of hose, improve the radiating efficiency of rear shell intracoelomic cavity；After larger heat is absorbed after hose interior air-flow, the air pressure increase in hose, hot-air is just discharged from the ventilating duct at both ends, from this cycle, realizes heat dissipation.
Description
Technical field
The utility model is related to illuminations technical field, more particularly, to a kind of wind-cooling heat dissipating type LED downlight.
Background technology
With the maturation of LED technology, downlight starts to select LED downlight, and LED downlight includes back casing, face-piece, transparent surface
Lid, power module and LED chip, face-piece are fixed on back casing bottom, and light emitting surface cover is fixed on the middle part of face-piece, and LED chip is solid
Due to back casing, the light that LED chip is sent out is irradiated through light emitting surface cover, and LED chip needs power module to be provided for it
Power supply.LED downlight in use, can generate a large amount of heat in a short time, and downlight be mainly installed on ceiling and
In crown wall, the air flow property in ceiling and crown wall is weaker, and the speed of heat to external diffusion that downlight generates is slower, downlight
The bad damage for be easy to causeing LED chip of heat dissipation effect, the service life of LED downlight are shorter.
Utility model content
The technical problems to be solved in the utility model is：In order to overcome in the prior art to overcome downlight in the prior art
It is mainly installed in ceiling and crown wall, the air flow property in ceiling and crown wall is weaker, and the heat that downlight generates is to extending out
Scattered speed is slower, the bad damage for be easy to causeing LED chip of the heat dissipation effect of downlight, and the service life of LED downlight is shorter
Problem provides a kind of wind-cooling heat dissipating type LED downlight.
Technical solution is used by the utility model solves its technical problem：A kind of wind-cooling heat dissipating type LED downlight, including
Back casing, face-piece, light emitting surface cover, power module and LED chip, the face-piece are fixed on the back casing bottom, the light transmission
Cover is fixed on the middle part of the face-piece, and fixed plate is provided in the back casing, and the both sides of the fixed plate set LED respectively
Chip and power module, the LED chip are evenly distributed in several between light emitting surface cover and fixed plate in the fixed plate
Ventilating duct, the other end of the ventilating duct are fixedly connected with light emitting surface cover, the extraneous inner cavity with back casing of ventilating duct connection,
The ventilating duct flare, the horn mouth of the ventilating duct are located at one end of light emitting surface cover, are set about fixed plate central symmetry
One end that two ventilating ducts put are located in back casing is connected by hose.
Several wind-guidings are fixedly mounted in light emitting surface cover and fixed board mount in the wind-cooling heat dissipating type LED downlight of the utility model
Cylinder, the extraneous inner cavity with back casing of ventilating duct connection, two ventilating ducts about fixed plate center symmetric setting are located at back casing
Interior one end is connected by hose, ventilating duct flare, after air enters ventilating duct, since ventilating duct is connect with hose
The radius of one end is less than the radius of one end of being in communication with the outside, air-flow from ventilating duct enter hose when, flow velocity and air pressure increase, and increase
Air flowing in hose, by the cooling air in hose, will take away, and then increase positioned at the heat of rear shell intracoelomic cavity
The heat-transfer rate of hose improves the radiating efficiency of rear shell intracoelomic cavity；After larger heat is absorbed after hose interior air-flow, hose
Interior air pressure increase, hot-air are just discharged from the ventilating duct at both ends, from this cycle, realize heat dissipation, and the utility model is simple in structure,
Effectively reduce the temperature in back casing, avoid heat gather dissipate do not go out to damage LED chip.
In order to preferably fix ventilating duct, the both ends of the ventilating duct are coaxially installed with the first fixed cylinder and the respectively
Two fixed cylinders, even circumferential offers several first mounting holes in the fixed plate, and first fixed cylinder passes through described first
Mounting hole, and fixed with the first mounting hole co-axial seal, it is opened up at position corresponding with the first mounting hole on the light emitting surface cover
There is the second mounting hole, the second fixed cylinder co-axial seal is fixed in the second mounting hole.
Preferably, the material of the ventilating duct is translucent material, LED downlight is not influenced again while high efficiency and heat radiation
It is bright.
The beneficial effects of the utility model are:The wind-cooling heat dissipating type LED downlight of the utility model, in light emitting surface cover and fixation
Several ventilating ducts, the extraneous inner cavity with back casing of ventilating duct connection, about fixed plate center symmetric setting is fixedly mounted in board mount
One end for being located in back casing of two ventilating ducts be connected by hose, ventilating duct flare enters ventilating duct in air
Afterwards, since the radius that ventilating duct connect with hose one end is less than the radius of the one end that is in communication with the outside, air-flow enters soft from ventilating duct
Guan Shi, flow velocity and air pressure increase, and increase the air flowing in hose, by the cooling air in hose, will be located at back casing
The heat of inner cavity is taken away, and then increases the heat-transfer rate of hose, improves the radiating efficiency of rear shell intracoelomic cavity；It treats in hose
After air-flow absorbs larger heat, the air pressure increase in hose, hot-air is just discharged from the ventilating duct at both ends, real from this cycle
It now radiates, the utility model is simple in structure, effectively reduces the temperature in back casing, avoids heat and gathers to dissipate and does not go out pair
LED chip damages.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the schematic three dimensional views of the utility model；
Fig. 2 is the bottom view of the utility model；
Fig. 3 is the sectional view at A-A in the utility model Fig. 2；
Fig. 4 is the enlarged drawing at A in the utility model Fig. 3；
Fig. 5 is the location diagram of fixed plate and hose in the utility model.
In figure：1. back casing, 2. face-pieces, 3. light emitting surface covers, 4. power modules, 5.LED chips, 6. fixed plates, 7. wind-guidings
Cylinder, 8. hoses, 9. first fixed cylinders, 10. second fixed cylinders.
Specific embodiment
Presently in connection with attached drawing, the utility model is described in more detail.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the composition related with the utility model.
A kind of wind-cooling heat dissipating type LED downlight as depicted in figs. 1 and 2, including back casing 1, face-piece 2, light emitting surface cover 3, power supply
Module 4 and LED chip 5, the face-piece 2 are fixed on 1 bottom of back casing, and the light emitting surface cover 3 is fixed on the face-piece 2
Middle part is provided with fixed plate 6 in the back casing 1, and the both sides of the fixed plate 6 set LED chip 5 and power module 4 respectively,
The LED chip 5 is evenly distributed in several ventilating ducts 7, such as between light emitting surface cover 3 and fixed plate 6 in the fixed plate 6
Shown in Fig. 3, the quantity of ventilating duct 7 is even number, and the other end of the ventilating duct 7 is fixedly connected with light emitting surface cover 3, the ventilating duct
The 7 extraneous inner cavities with back casing 1 of connection, 7 flare of ventilating duct, the horn mouth of the ventilating duct 7 are located at light emitting surface cover 3
One end, one end that two ventilating ducts 7 about 6 center symmetric setting of fixed plate are located in back casing 1 passes through 8 phase of hose
Connection, as shown in Figure 5.
In order to preferably fix ventilating duct 7, the both ends of the ventilating duct 7 are coaxially installed with the first fixed cylinder 9 respectively
With the second fixed cylinder 10, even circumferential offers several first mounting holes in the fixed plate 6, and first fixed cylinder 9 passes through
First mounting hole, and being fixed with the first mounting hole by glue co-axial seal, on the light emitting surface cover 3 with the first mounting hole
The second mounting hole is offered at corresponding position, second fixed cylinder 10 is fixed on the second mounting hole by glue co-axial seal
It is interior, as shown in Figure 4.
Preferably, the material of the ventilating duct 7 is glass, the light of LED downlight is not influenced again while high efficiency and heat radiation
It is bright.
Several lead is fixedly mounted in light emitting surface cover 3 and 6 stent of fixed plate in the wind-cooling heat dissipating type LED downlight of the utility model
Air duct 7, ventilating duct 7 connect the extraneous inner cavity with back casing 1, and two ventilating ducts 7 about 6 center symmetric setting of fixed plate are located at
One end in back casing 1 is connected by hose 8,7 flare of ventilating duct, after air enters ventilating duct 7, due to ventilating duct
7 radiuses that one end is connect with hose 8 are less than the radius of the one end that is in communication with the outside, when air-flow is from ventilating duct 7 into hose 8, flow velocity
Increase with air pressure, increase the air flowing in hose 8, it, will be positioned at 1 inner cavity of back casing by the cooling air in hose 8
Heat is taken away, and then increases the heat-transfer rate at hose 8, improves the radiating efficiency of 1 inner cavity of back casing；Treat gas in hose 8
After stream absorbs larger heat, the air pressure increase in hose 8, hot-air is just discharged from the ventilating duct at both ends 7, real from this cycle
It now radiates, the utility model is simple in structure, effectively reduces the temperature in back casing 1, avoids heat and gathers scattered do not go out
LED chip 5 is damaged.
Using the above-mentioned desirable embodiment according to the utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to novel technical scope on specification, it is necessary to which its technology is determined according to right
Property range.
Claims (3)
1. a kind of wind-cooling heat dissipating type LED downlight, it is characterised in that：Including back casing (1), face-piece (2), light emitting surface cover (3), power supply
Module (4) and LED chip (5), the face-piece (2) are fixed on the back casing (1) bottom, and the light emitting surface cover (3) is fixed on
The middle part of the face-piece (2), the back casing (1) is interior to be provided with fixed plate (6), and the both sides of the fixed plate (6) are set respectively
LED chip (5) and power module (4), the LED chip (5) is between light emitting surface cover (3) and fixed plate (6), the fixation
Several ventilating ducts (7) are evenly distributed on plate (6), the other end of the ventilating duct (7) is fixedly connected with light emitting surface cover (3), institute
State the extraneous inner cavity with back casing (1) of ventilating duct (7) connection, ventilating duct (7) flare, the loudspeaker of the ventilating duct (7)
Mouth is located at one end of light emitting surface cover (3), after the ventilating duct (7) of two about fixed plate (6) center symmetric setting is located at
One end in housing (1) is connected by hose (8).
2. wind-cooling heat dissipating type LED downlight as described in claim 1, it is characterised in that：The both ends of the ventilating duct (7) are same respectively
Axis is installed with the first fixed cylinder (9) and the second fixed cylinder (10), and even circumferential offers several on the fixed plate (6)
One mounting hole, first fixed cylinder (9) is fixed across first mounting hole, and with the first mounting hole co-axial seal, described
The second mounting hole is offered on light emitting surface cover (3) at position corresponding with the first mounting hole, second fixed cylinder (10) is coaxial
Sealing is fixed in the second mounting hole.
3. wind-cooling heat dissipating type LED downlight as described in claim 1, it is characterised in that：The material of the ventilating duct (7) is light transmission
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737698.0U CN207569707U (en) | 2017-12-13 | 2017-12-13 | Wind-cooling heat dissipating type LED downlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737698.0U CN207569707U (en) | 2017-12-13 | 2017-12-13 | Wind-cooling heat dissipating type LED downlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569707U true CN207569707U (en) | 2018-07-03 |
Family
ID=62687005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721737698.0U Expired - Fee Related CN207569707U (en) | 2017-12-13 | 2017-12-13 | Wind-cooling heat dissipating type LED downlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207569707U (en) |
-
2017
- 2017-12-13 CN CN201721737698.0U patent/CN207569707U/en not_active Expired - Fee Related
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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: 20180703 Termination date: 20181213 |