CN109538968A - A kind of radiator structure of LED light - Google Patents
A kind of radiator structure of LED light Download PDFInfo
- Publication number
- CN109538968A CN109538968A CN201811392568.7A CN201811392568A CN109538968A CN 109538968 A CN109538968 A CN 109538968A CN 201811392568 A CN201811392568 A CN 201811392568A CN 109538968 A CN109538968 A CN 109538968A
- Authority
- CN
- China
- Prior art keywords
- led light
- lamp body
- flow cavity
- lampshade
- air
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- 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
-
- 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
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-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
- 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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- 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 invention discloses a kind of radiator structure of LED light, lamp body is made of heat sink material, and lower end connects lampshade, and upper end connects lamp cap；LED light substrate, lamp body lower end and the fitting of LED light substrate are provided in lampshade；Lamp body, which is internally provided with flow cavity, can guide the thermal current of LED light substrate generation, and thermal current is discharged to the external world, and the extraneous air inlet with flow cavity of connection is provided on lamp body wall, and cold air can enter flow cavity from air inlet.In order to increase cross-ventilation, the present invention is also provided with convection device, and convection device is located in flow cavity, including impeller and blade, under the promotion of thermal current, blade rotates impeller around vertical shaft, to form the air-flow of axis stream, is conducive to export thermal current, cold air is sucked.
Description
Technical field:
The present invention relates to LED light, and in particular to a kind of radiator structure of LED light.
Background technique:
Currently, LED light progresses into the visual field of people, LED light has light efficiency height, little power consumption, the feature of service life length.But mesh
Preceding the problem of restricting LED light development, is the heat dissipation design of LED light.
Summary of the invention:
The present invention proposes that a kind of radiator structure of LED light effectively improves the radiating efficiency of LED light.
The technical solution is a kind of radiator structure of LED light, from top to bottom successively include lamp cap, lamp body, LED light substrate,
Lampshade；Lampshade upper end hollow out, the LED light substrate are set to the inside of the lampshade, the lower end surface of the LED light substrate
On be provided with multiple LED lamp beads；
The lamp body is made of heat sink material, and lamp body lower end is connect with the lampshade, by the LED light substrate clamping
Between lampshade and lamp body, the lower end of the lamp body has the heat dissipation wall for touching LED light substrate upper surface, the heat dissipation wall
Intermediate hollow out, extend upward vertical walls from the edge of hollow out, the vertical walls are enclosed a flow cavity, the vertical walls
Top edge close to form sealing surface, offer air hole on sealing surface, air hole is connected to flow cavity；In the vertical walls also
It is provided with the radiation rib radiated around；Air inlet, the air inlet connection external world and the stream are provided in the vertical walls
Dynamic chamber；
The lamp cap lower end is connect with the upper end of the lamp body, between the two vertically integrated place lamp cap and lamp body have
Gap, the gap form the second flow cavity, and second flow cavity is connected to the air hole；In the lamp cap and lamp body week
Also there is the exchange hole for being communicated to outside air to junction, the exchange hole is connected to second flow cavity；
It further include the convection device inside the flow cavity, the convection device includes an impeller, on the impeller
It is provided with the blade made of thin sheet of metal heat sink material, the impeller is set in the shaft that one is vertically arranged, in air-flow
Drive under, the blade rotates impeller around the shaft.
Its technical principle is made of: the lamp body of this programme by heat sink material, LED light substrate clamping lampshade and lamp body it
Between, the lower end of lamp body has the heat dissipation wall for touching LED light substrate upper surface, and when LED light uses, heat is transmitted from LED light substrate
Onto the heat dissipation wall of lamp body, it is additionally provided with the radiation rib radiated around with lamp, increases heat dissipation area.Further to increase
Add heat-sinking capability, this programme also adds air cooled structure, and the intermediate hollow out for the wall that radiates is prolonged upwards from the edge of hollow out
Stretch out vertical walls, vertical walls are enclosed a flow cavity, and thermal current can rise in flow cavity, rise to lamp body and lamp cap it
Between the second flow cavity for being formed, while the second flow cavity has been communicated to the external world further through exchange hole, and thermal current can discharge.
Due to being provided with air inlet, the air inlet connection external world and flow cavity in vertical walls, after hot-air is run out of, inside forms negative pressure,
Extraneous cold air is sucked from air inlet, forms the exchange of air.In order to reinforce cross-ventilation, this programme is also in flow cavity
Interior to be provided with convection device, the blade of convection device will rotate under the promotion of thermal current around vertically arranged shaft, so that
Air-flow forms axial flowing, while being conducive to cold air and flowing into from the air inlet being arranged in vertical walls.
Further, the lampshade is hemispherical, and the lower end of the lampshade and the lamp body is spirally connected.
Further, the lamp body is spirally connected with the lamp cap, has screw thread in the circumferential direction of the sealing surface, and on sealing surface
It is provided with multiple notch and cuts off the screw thread, form the exchange hole.
Further, multiple heat release holes are offered on the LED light substrate, the heat release hole is connected to the inside of the lampshade
Space and the flow cavity.The heat release hole connection lampshade inner space opened up on LED light substrate and flow cavity, can be effectively by lampshade
Interior thermal current export.
Further, the material of the blade is copper sheet, with a thickness of 0.05mm.
Further, the shaft is vertically arranged, and the upper end of the shaft is connected on the sealing surface.
Further, the material of the lamp body is anodised aluminium, and the lamp is as rotary structure, the diameter of lower end
Greater than the diameter of upper end, the radiation rib of the lamp body is circumferentially uniformly distributed, and outer edge is at hyperbolic shape.
Further, the air inlet is circumferentially uniformly distributed, in the vertical walls between the radiation rib, even
Logical outside air and the flow cavity, the direction of the air inlet be it is oblique, one end of connection outside air is lower than connection flow
One end of dynamic chamber.Angularly disposed air inlet effectively can prevent dust from entering, while can reduce leaking for light.
The beneficial effect of this programme is:
1, lamp body of the invention is made of heat sink material, and lower end connects lampshade, and upper end connects lamp cap；It is provided in lampshade
LED light substrate, lamp body lower end and the fitting of LED light substrate, while lamp body is disposed with radiation rib, is conducive to produce LED light substrate
Raw heat derives to the external world；
2, lamp body, which is internally provided with flow cavity, can guide the thermal current of LED light substrate generation, and thermal current is discharged
To the external world, it is provided with that connection is extraneous and the air inlet of flow cavity, cold air can enter flow cavity from air inlet on lamp body wall；
This arrangement creates air cooled effects；
3, the present invention alsos for being provided with convection device, increases cross-ventilation, is conducive to export thermal current, by cold sky
Aspiration enters.
Detailed description of the invention:
Fig. 1 is the cross-sectional view of the radiator structure of LED light；
Fig. 2 is another cross-sectional view of the radiator structure of LED light；
Fig. 3 is the perspective view of lamp body；
Fig. 4 is the cross-sectional view of lamp body.
Marked in the figure: 1-LED lamp substrate, 11-LED lamp bead, 12- heat release hole, 2- lamp body, 20- vertical walls, 21- air inlet,
22- air hole, 23- radiation rib, 24- exchange hole, 25- flow cavity, 26- heat dissipation wall, 27- sealing surface, 3- convection device, 31-
Shaft, 32- blade, 33- impeller, 4- lamp cap, the second flow cavity of 40-, 5- lampshade.
Specific embodiment:
Embodiment one:
As shown in Fig. 1~2, LED light successively includes lamp cap 4, lamp body 2, LED light substrate 1, lampshade 5 from top to bottom；The lamp
5 upper end hollow outs are covered, lampshade 5 is hemispherical, and the LED light substrate 1 is set to the inside of the lampshade 5, the LED light substrate 1
Lower end surface on be provided with multiple LED lamp beads 11；The lamp body 2 is made of heat sink material, and the material of the present embodiment is anodic oxygen
Change aluminium, appearance and heat dissipation effect can be had both, naturally it is also possible to make the heat sink material of other materials.2 lower end of lamp body with it is described
Lampshade 5 connects, and connection type is to be spirally connected or be clamped, and the LED light substrate 1 is clamped between lampshade 5 and lamp body 2 by lamp body 2,
In order to which by the heat derives of LED light substrate 1, the lower end of the lamp body 2 has the heat dissipation for touching 1 upper surface of LED light substrate
Wall 26.This programme increases the refrigerating function of air flowing, realizes especially by following steps, by the centre of the heat dissipation wall 26
Hollow out extends upward vertical walls 20 from the edge of hollow out, and the vertical walls 20 are enclosed a flow cavity 25, and thermal current rises
After can be flowed in flow cavity 25.The top edge of the vertical walls 20 is closed to form sealing surface 27, opens up on sealing surface 27
There is air hole 22, air hole 22 is connected to flow cavity 25；Thermal current rises to air hole 22 by flow cavity 25.Under the lamp cap 4
End is connect with the upper end of the lamp body 2, and at the two vertically integrated place, the lamp cap 4 and lamp body 2 have gap, which forms
Second flow cavity 40, second flow cavity 40 are connected to the air hole 22；Thermal current can be left in the second flow cavity 40,
The lamp cap 4 and the circumferential junction of the lamp body 2 also have the exchange hole 24 for being communicated to outside air, the exchange hole 24 and institute
The connection of the second flow cavity 40 is stated, therefore thermal current can further enter outside from the second flow cavity 40 process exchange hole 24
Boundary.The radiation rib 23 radiated around is additionally provided in the vertical walls 20；It is provided with air inlet 21 in the vertical walls 20,
The air inlet 21 is connected to the extraneous and flow cavity 25.After thermal current outflow, the air pressure inside flow cavity 25 is lower, and is arranged
Flow cavity 25 is connected to by the air inlet 21 in vertical walls 20 with the external world, and extraneous cold air can enter in flow cavity 25,
Realize the exchange of heat.
It further include the convection device 3 inside the flow cavity 25, the convection current for the convection current for further increasing air
Device 3 includes an impeller 33, is provided with the blade 32 made of thin sheet of metal heat sink material, the impeller 33 on the impeller 33
It is set in the shaft being vertically arranged 31, under the drive of air-flow, the blade 32 is by impeller 33 around the shaft
31 rotations.The material of blade 32 is copper in the present embodiment, and with a thickness of 0.05mm, impeller is arranged on impeller 33,33 sets of impeller
It being located in shaft 31, shaft 31 is vertically arranged, and upper end is fixed on sealing surface 27, under the drive of air-flow, frivolous blade 32
Axial air-flow can be formed, hot-air is taken away, cold air then can be preferably from air inlet with 31 rotation around the shaft of impeller 33
It is entered in hole 21 in flow cavity 25.It as figure 1 shows the flow path of thermal current.
Lamp body described in the present embodiment 3 is spirally connected with the lamp cap 4, has screw thread, such as Fig. 3 in the circumferential direction of the sealing surface 27
It is shown, it is provided with multiple notch on sealing surface 27 and cuts off the screw thread, forms the exchange hole 24.
Embodiment two:
In another embodiment, multiple heat release holes 12 are offered on the LED light substrate 1, the heat release hole 12 is connected to
The inner space of the lampshade 5 and the flow cavity 25.The heat release hole connection lampshade inner space opened up on LED light substrate and stream
Dynamic chamber can effectively export the thermal current in lampshade.
Embodiment three:
In this embodiment, as shown in figs. 34, the material of the lamp body 2 is anodised aluminium to the structure of lamp body, described
Lamp body 2 is rotary structure, and the diameter of lower end is greater than the diameter of upper end, and the radiation rib 23 of the lamp body 2 is circumferential uniformly to divide
Cloth, outer edge at hyperbolic shape, during air-flow rises between, front end is hotter than rear end, the lower end of radiation rib 23
Diameter is also greater than upper end diameter.
Example IV:
In this embodiment, the air inlet 21 is circumferential is uniformly distributed, described perpendicular between the radiation rib 23
To on wall 20, be connected to outside air and the flow cavity 25, the direction of the air inlet 21 be it is oblique, connection outside air
The one end of one end lower than connection flow cavity 25.Angularly disposed air inlet 21, effectively can prevent dust from entering, while can reduce
Light leaks.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of radiator structure of LED light, which is characterized in that from top to bottom successively include lamp cap (4), lamp body (2), LED light base
Plate (1), lampshade (5)；Lampshade (5) upper end hollow out, the LED light substrate (1) are set to the inside of the lampshade (5), institute
It states and is provided with multiple LED lamp beads (11) on the lower end surface of LED light substrate (1)；
The lamp body (2) is made of heat sink material, and lamp body (2) lower end is connect with the lampshade (5), by the LED light base
Plate (1) is clamped between lampshade (5) He Dengshen (2), and the lower end of the lamp body (2), which has, touch LED light substrate (1) upper end
The heat dissipation wall (26) in face, the intermediate hollow out of heat dissipation wall (26), extends upward vertical walls (20) from the edge of hollow out, described
Vertical walls (20) are enclosed a flow cavity (25), and the top edge of the vertical walls (20) is closed to form sealing surface (27), are being sealed
It closes on face (27) and offers air hole (22), air hole (22) is connected to flow cavity (25)；It is additionally provided on the vertical walls (20)
The radiation rib (23) radiated around；It is provided with air inlet (21) on the vertical walls (20), air inlet (21) connection is outer
Boundary and the flow cavity (25)；
Lamp cap (4) lower end is connect with the upper end of the lamp body (2), in the two vertically integrated place the lamp cap (4) He Dengshen
(2) there is gap, which forms the second flow cavity (40), and second flow cavity (40) is connected to the air hole (22)；
Also there is the exchange hole (24) for being communicated to outside air, the exchange in the lamp cap (4) and the circumferential junction of the lamp body (2)
Hole (24) is connected to second flow cavity (40)；
It further include the convection device (3) internal positioned at the flow cavity (25), the convection device (3) includes an impeller (33),
It is provided with the blade made of thin sheet of metal heat sink material (32) on the impeller (33), the impeller (33) is set in one and erects
To in the shaft (31) of arrangement, under the drive of air-flow, the blade (32) turns impeller (33) around the shaft (31)
It is dynamic.
2. a kind of radiator structure of LED light according to claim 1, which is characterized in that the lampshade (5) is hemispherical, described
The lower end of lampshade (5) and the lamp body (2) is spirally connected.
3. a kind of radiator structure of LED light according to claim 1, which is characterized in that the lamp body (2) and the lamp cap (4)
It is spirally connected, there is screw thread in the circumferential direction of the sealing surface (27), and be provided with multiple notch on sealing surface (27) and cut off the screw thread,
Form the exchange hole (24).
4. a kind of radiator structure of LED light according to claim 1, which is characterized in that offered on the LED light substrate (1)
Multiple heat release holes (12), the heat release hole (12) are connected to inner space and the flow cavity (25) of the lampshade (5).
5. a kind of radiator structure of LED light according to claim 1, which is characterized in that the material of the blade (32) is copper sheet,
It is with a thickness of 0.05mm.
6. a kind of radiator structure of LED light according to claim 1, which is characterized in that the shaft (31) is vertically arranged, described
The upper end of shaft (31) is connected on the sealing surface (27).
7. a kind of radiator structure of LED light according to claim 1, which is characterized in that the material of the lamp body (2) is anodic oxygen
Change aluminium, the lamp body (2) is rotary structure, and the diameter of lower end is greater than the diameter of upper end, the radiation rib of the lamp body (2)
(23) circumferential to be uniformly distributed, outer edge is at hyperbolic shape.
8. a kind of radiator structure of LED light according to claim 1, which is characterized in that the air inlet (21) is circumferential uniformly to divide
Cloth in the vertical walls (20) between the radiation rib (23), is connected to outside air and the flow cavity (25), institute
State air inlet (21) direction be it is oblique, connection outside air one end lower than connection flow cavity (25) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392568.7A CN109538968A (en) | 2018-11-21 | 2018-11-21 | A kind of radiator structure of LED light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392568.7A CN109538968A (en) | 2018-11-21 | 2018-11-21 | A kind of radiator structure of LED light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109538968A true CN109538968A (en) | 2019-03-29 |
Family
ID=65848867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811392568.7A Pending CN109538968A (en) | 2018-11-21 | 2018-11-21 | A kind of radiator structure of LED light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538968A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749570A (en) * | 2008-12-08 | 2010-06-23 | 富准精密工业(深圳)有限公司 | LED light fitting and light engine thereof |
| CN103075670A (en) * | 2013-02-18 | 2013-05-01 | 天目照明有限公司 | LED (Light Emitting Diode) bulb lamp of novel heat dissipation structure |
| CN103672529A (en) * | 2013-12-31 | 2014-03-26 | 贵阳杰能科技有限公司 | Hyperbolic cooling tower type LED (Light Emitting Diode) lamp |
| CN104344265A (en) * | 2014-11-28 | 2015-02-11 | 浙江晶日照明科技有限公司 | Passive type fan structure lamp |
| CN105003845A (en) * | 2015-06-25 | 2015-10-28 | 吴静 | LED lamp bulb |
| CN106885152A (en) * | 2015-12-16 | 2017-06-23 | 何磊 | The LED bulb and installation method of a kind of excellent radiation performance |
-
2018
- 2018-11-21 CN CN201811392568.7A patent/CN109538968A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749570A (en) * | 2008-12-08 | 2010-06-23 | 富准精密工业(深圳)有限公司 | LED light fitting and light engine thereof |
| CN103075670A (en) * | 2013-02-18 | 2013-05-01 | 天目照明有限公司 | LED (Light Emitting Diode) bulb lamp of novel heat dissipation structure |
| CN103672529A (en) * | 2013-12-31 | 2014-03-26 | 贵阳杰能科技有限公司 | Hyperbolic cooling tower type LED (Light Emitting Diode) lamp |
| CN104344265A (en) * | 2014-11-28 | 2015-02-11 | 浙江晶日照明科技有限公司 | Passive type fan structure lamp |
| CN105003845A (en) * | 2015-06-25 | 2015-10-28 | 吴静 | LED lamp bulb |
| CN106885152A (en) * | 2015-12-16 | 2017-06-23 | 何磊 | The LED bulb and installation method of a kind of excellent radiation performance |
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Application publication date: 20190329 |