CN107489993A - A kind of heat-dissipating casing with tilting fin - Google Patents
A kind of heat-dissipating casing with tilting fin Download PDFInfo
- Publication number
- CN107489993A CN107489993A CN201710916616.7A CN201710916616A CN107489993A CN 107489993 A CN107489993 A CN 107489993A CN 201710916616 A CN201710916616 A CN 201710916616A CN 107489993 A CN107489993 A CN 107489993A
- Authority
- CN
- China
- Prior art keywords
- annular
- heat
- base
- dissipating casing
- flow deflector
- 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
- 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
- F21V29/773—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 the planes containing the fins or blades having the direction of the light emitting axis
-
- 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
- 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 heat-dissipating casing with tilting fin, including：The housing main body of three-dimensional annular, multigroup flow deflector and the base for connecting external component；The housing main body includes first annular and the second annular, described first annular and the second annular is parallel to each other, multigroup flow deflector is ordered in first annular between the second annular, the flow deflector favours the central shaft of the housing main body, helically fin type arranges, the base is connected with the second annular, and the base also includes multigroup heat gap set around central shaft；Using the heat-dissipating casing of said structure, structure LED lamp inside and outside air convection channel, it can effectively radiate, reduce internal hot stack, extension LED life-span.
Description
Technical field
The present invention relates to LED technical field of heat dissipation, particularly a kind of heat-dissipating casing with tilting fin.
Background technology
Lamp outer casing in the design process generally takes into account heat sinking function, and traditional ball alveolitoid LED lamp outer shell is big
Part is designed using hollow out lines, or as outer surface, to play heat sinking function, but these set directly using metal
Meter can not realize good radiating, Inner heat sink can not be coordinated to work, and LED internal-external can not form convection current, radiating
Effect is poor, and LED works long hours in the condition of high temperature, causes the LED lost of life.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of heat-dissipating casing with tilting fin, protecting
Hold it is attractive in appearance on the premise of, using tilting fin guiding inner air discharge, effectively heat is distributed.
Technical scheme is used by the present invention solves its problem：
A kind of heat-dissipating casing with tilting fin, including the housing main body of three-dimensional annular, multigroup flow deflector and use
In the base of connection external component；The housing main body includes first annular and the second annular, described first annular and the second ring
Shape is parallel to each other, and multigroup flow deflector is ordered in first annular between the second annular, and the flow deflector favours institute
The central shaft of housing main body is stated, helically fin type is arranged, and the base is connected with the second annular, and the base also includes multigroup
The heat gap set around central shaft.
Further, it is described first annular to be provided with the tie point being connected with flow deflector, first ring with the second annular
The annulus that the tie point of shape is formed, its diameter are more slightly larger than the diameter for the annulus that the tie point of the second annular is formed.
Further, the flow deflector is in integrally wing structure, and close to first annular one end, cross section is vertical trapezium
Structure, gradually narrowed toward the cross section of second circumferential direction, and the upper bottom of its trapezium structure towards on the outside of heat-dissipating casing, it is past
Hypotenuse direction is slightly tilted, and is not parallel to bottom, and the flow deflector is received close to the end of the second circumferential direction by arcuate motion
Narrow, thus multigroup inclined flow deflector forms helix fin formula structure.
Further, the heat gap is arranged at the base close to the side of the second annular, and the heat gap is to incline
Tiltedly in the direction perforate of the second annular plane, for distributing heat along the central shaft of heat-dissipating casing.
Further, the base gradually narrows since with the second annular junction along central shaft toward base caudal directions.
Further, it is described it is first annular on be additionally provided with the buckle being connected with outside appurtenances, the afterbody of the base is also set
It is equipped with the helical structure being connected with outside appurtenances.
The beneficial effects of the invention are as follows：In the central axis direction perpendicular to heat-dissipating casing, using the structure of tilting fin,
According to the pressure difference of the fluid of friction speed above and below wing, the relatively low hot-air of guiding pressure flows out outward, and external pressure is larger
Cold air from opposite side enter heat-dissipating casing inside；In the central axis direction parallel to heat-dissipating casing, the heat gap of setting
It is equally beneficial for hot inside air discharge；The construction to be radiated using both direction, effectively reduces lamp interior hot stack, extends
The LED life-span.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the front view of the present invention；
Fig. 2 is one embodiment of the invention schematic diagram；
Embodiment
Shown in reference picture 1, a kind of heat-dissipating casing with tilting fin, it is characterised in that including three-dimensional annular
Housing main body, multigroup flow deflector 41 and the base 45 for connecting external component；Housing main body includes first annular 42 and second
Annular 43, first annular 42 and second annular it is 43 parallel to each other, multigroup flow deflector 41 is ordered in first annular 42 and second
Between annular 43, flow deflector 41 favours the central shaft of the housing main body, and helically fin type arranges, the ring of base 45 and second
Shape 43 connects, and base 45 also includes multigroup heat gap 44 set around central shaft.
First annular 42 are provided with the tie point being connected with flow deflector 41 with the second annular 43, described first annular 42
The annulus that tie point is formed, its diameter are more slightly larger than the diameter for the annulus that the tie point of the second annular 43 is formed.
It is in wing structure that flow deflector 41 is overall, and in one end close to first annular 42, cross section is vertical trapezium structure, past
The cross section in second annular 43 directions is gradually narrowed, and the upper bottom of its trapezium structure towards on the outside of heat-dissipating casing, toward hypotenuse
Direction is slightly tilted, and is not parallel to bottom, and the flow deflector 41 is received close to the end in the second annular 43 directions by arcuate motion
Narrow, thus multigroup inclined flow deflector 41 forms helix fin formula structure.
Heat gap 44 is arranged at the base close to the side of the second annular 43, and the heat gap 44 is to favour
The direction perforate of the plane of the shape of two ring 43, for distributing heat along the central shaft of heat-dissipating casing.
Base 45 gradually narrows since with the second annular 43 junctions along central shaft toward the caudal directions of base 45.
Be additionally provided with the buckle being connected with outside appurtenances on first annular 42, the afterbody of the base 45 be additionally provided with outside
The helical structure of portion's accessory connection.
Shown in reference picture 2, a kind of LED lamp using the above-mentioned heat-dissipating casing for having and tilting fin, including：Printing opacity lamp
Cover 1, LED light module, finned radiator 3, the lamp outer casing 4 and lamp base 5 for being provided with tilting fin radiating structure,
Also include radiator fan 6, finned radiator 3 and radiator fan 6 are filled in the inside of the lamp outer casing 4 composition lateral radiating knot
Structure, LED light module are arranged in the radiator structure, and the transparent lamp shade 1, lamp outer casing 4 and lamp base 5 are sequentially connected
Form light fixture in itself.
LED light module includes LED circuit substrate 2 and power supply supply driving 7, and the LED circuit substrate 2 is arranged at fin
The upside of formula radiator 3, just facing to transparent lamp shade 1, the power supply supply driving 7 is arranged at the downside of radiator fan 6, with dissipating
Hot-air fan 6 electrically connects.
The bottom of lamp outer casing 4 gradually tapers up to central shaft, and in funnel-form, bottom end is provided with screw thread installation site 46,
Match with the internal whorl of lamp base 5.
Meanwhile power supply supply driving 7 carries out automatic output power regulation according to the temperature inside LED lamp.When in LED
When portion's temperature reaches preset upper limit, power supply supply driving 7 automatically controls output, and intelligence reduces power output, so as to reduce inside
The temperature of operation element, extend the service life of light fixture.
LED circuit substrate 2 is LED lamp major heat producing components, is directly contacted with finned radiator 3 and transmits heat, together
When set radiator fan 6, force accelerate hot inside air convection current, heat is outwards distributed by the thermally conductive sheet of finned radiator 3,
The passage that heat forms by the flow deflector of thermally conductive sheet and lamp outer casing 4, to favour the angle of LED lamp central shaft to outflow
Dynamic, according to fluid pressure difference principle above and below wing structure, the peripheral air of LED lamp outer shell 4 can quickly flow, so as to timely band
Internal heat is walked, efficiently accomplishes LED lamp radiating, internal hot stack is reduced, extends the LED lamp bead life-span.
Simultaneously because the flow deflector of lamp outer casing 4 only plays guide functions, therefore plastics forming is used, and flow deflector side
The problem of edge is round and smooth, comfortable feel, and the light fixture for effectively avoiding conventional metals heat-dissipating casing exposed easily causes scald, the present invention exist
Radiator need not be contacted when changing light fixture, safety coefficient is higher.
It is described above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned embodiment, as long as
It reaches the technique effect of the present invention with identical means, should all belong to protection scope of the present invention.
Claims (6)
1. a kind of heat-dissipating casing with tilting fin, it is characterised in that the housing main body including three-dimensional annular, multigroup lead
Flow (41) and the base (45) for connecting external component；The housing main body includes first annular (42) and the second annular
(43), first annular (42) and second annular (43) are parallel to each other, and multigroup flow deflector (41) is ordered in first
Between annular (42) and second annular (43), the flow deflector (41) favours the central shaft of the housing main body, helically fin
Chip arranges, and the base (45) be connected with second annular (43), and the base (45) is also including multigroup around central shaft setting
Heat gap (44).
A kind of 2. heat-dissipating casing with tilting fin according to claim 1, it is characterised in that：It is described first annular
(42) tie point being connected with flow deflector (41), the tie point shape of first annular (42) are provided with second annular (43)
Into annulus, its diameter is more slightly larger than the diameter for the annulus that the tie point of second annular (43) is formed.
A kind of 3. heat-dissipating casing with tilting fin according to claim 1 or 2, it is characterised in that：The water conservancy diversion
It is in wing structure that piece (41) is overall, and close to the one end of first annular (42), cross section is vertical trapezium structure, toward described second
The cross section in annular (43) direction is gradually narrowed, and the upper bottom of its trapezium structure towards on the outside of heat-dissipating casing, toward hypotenuse direction slightly
Low dip, is not parallel to bottom, and the flow deflector (41) is received close to the end in second annular (43) direction by arcuate motion
It is narrow.
A kind of 4. heat-dissipating casing with tilting fin according to claim 1, it is characterised in that：The heat gap
(44) base (45) is arranged at close to the side of the second annular, and the heat gap (44) is to favour second annular (43)
Plane direction perforate.
A kind of 5. heat-dissipating casing with tilting fin according to claim 1, it is characterised in that：The base (45)
Since with second annular (43) junction, gradually narrowed along central shaft toward base (45) caudal directions.
A kind of 6. heat-dissipating casing with tilting fin according to claim 1 or 5, it is characterised in that：Described first
The buckle being connected with outside appurtenances is additionally provided with annular (42), the afterbody of the base (45) is additionally provided with to be connected with outside appurtenances
The helical structure connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916616.7A CN107489993A (en) | 2017-09-29 | 2017-09-29 | A kind of heat-dissipating casing with tilting fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916616.7A CN107489993A (en) | 2017-09-29 | 2017-09-29 | A kind of heat-dissipating casing with tilting fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107489993A true CN107489993A (en) | 2017-12-19 |
Family
ID=60654011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710916616.7A Pending CN107489993A (en) | 2017-09-29 | 2017-09-29 | A kind of heat-dissipating casing with tilting fin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107489993A (en) |
Citations (14)
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|---|---|---|---|---|
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| CN101858505A (en) * | 2009-04-13 | 2010-10-13 | 富准精密工业(深圳)有限公司 | Light-emitting diode (LED) lamp |
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| CN102076205A (en) * | 2009-11-19 | 2011-05-25 | 富准精密工业(深圳)有限公司 | A heat radiation apparatus and a manufacturing method for the same |
| TWM413089U (en) * | 2010-01-26 | 2011-10-01 | Ya-Li Wu | The thermal dissipation structure of LED lamp |
| US20120230034A1 (en) * | 2011-03-07 | 2012-09-13 | Lighting Science Group Corporation | Led luminaire |
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| CN204717436U (en) * | 2015-06-24 | 2015-10-21 | 深圳市莱威光电子有限公司 | The LED bay light of temperature control regulating power |
| CN105226947A (en) * | 2015-10-28 | 2016-01-06 | 云南省计算机软件技术开发研究中心 | Digitlization DC/DC power module |
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| CN207455546U (en) * | 2017-09-29 | 2018-06-05 | 江门市创亚照明电器有限公司 | A kind of heat-dissipating casing with tilting fin |
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2017
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Patent Citations (14)
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| CN201133635Y (en) * | 2007-11-28 | 2008-10-15 | 讯凯国际股份有限公司 | Radiation structure and lamp possessing the radiation structure |
| CN101858505A (en) * | 2009-04-13 | 2010-10-13 | 富准精密工业(深圳)有限公司 | Light-emitting diode (LED) lamp |
| CN101865365A (en) * | 2009-04-15 | 2010-10-20 | 建准电机工业股份有限公司 | Lamp |
| CN102076205A (en) * | 2009-11-19 | 2011-05-25 | 富准精密工业(深圳)有限公司 | A heat radiation apparatus and a manufacturing method for the same |
| TWM413089U (en) * | 2010-01-26 | 2011-10-01 | Ya-Li Wu | The thermal dissipation structure of LED lamp |
| US20120230034A1 (en) * | 2011-03-07 | 2012-09-13 | Lighting Science Group Corporation | Led luminaire |
| CN104023446A (en) * | 2014-06-16 | 2014-09-03 | 朱威 | Power source control device for indoor illuminating lamp |
| CN204717436U (en) * | 2015-06-24 | 2015-10-21 | 深圳市莱威光电子有限公司 | The LED bay light of temperature control regulating power |
| CN205014184U (en) * | 2015-09-25 | 2016-02-03 | 昆山云上云光电科技有限公司 | Courtyard modulated structure with heat dissipation function |
| CN105338694A (en) * | 2015-10-22 | 2016-02-17 | 广州市佛达信号设备有限公司 | Protection circuit for LED light fixture |
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