CN207455546U

CN207455546U - A kind of heat-dissipating casing with tilting fin

Info

Publication number: CN207455546U
Application number: CN201721277421.4U
Authority: CN
Inventors: 刘亮华
Original assignee: Jiangmen Chuang Ya Lighting Electric Co Ltd
Current assignee: Jiangmen Chuang Ya Lighting Electric Co Ltd
Priority date: 2017-09-29
Filing date: 2017-09-29
Publication date: 2018-06-05
Anticipated expiration: 2027-09-29

Abstract

The utility model discloses a kind of heat-dissipating casing with tilting fin, including：The housing main body of three-dimensional circular ring shape, multigroup flow deflector and the pedestal 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 pedestal is connected with the second annular, and the pedestal further includes multigroup heat gap set around central shaft；Using the heat-dissipating casing of said structure, structure LED lamp inside and external air convection channel can effectively radiate, reduce internal hot stack, extension LED light service life.

Description

A kind of heat-dissipating casing with tilting fin

Technical field

The utility model is related to LED light technical field of heat dissipation, particularly a kind of heat-dissipating casing with tilting fin.

Background technology

Lamp outer casing in the design process usually takes into account heat sinking function, and traditional ball alveolitoid LED lamp outer shell is big Part is using the design of hollow out lines or as outer surface, to play heat sinking function, however these set directly using metal Meter can not realize good heat dissipation, Inner heat sink can not be coordinated to work, and LED light internal-external cannot form convection current, heat dissipation Effect is poor, and LED works long hours in the condition of high temperature, causes the LED light lost of life.

The content of the invention

To solve the above problems, the purpose of this utility model is to provide a kind of heat-dissipating casing with tilting fin, On the premise of keeping beautiful, discharged using tilting fin guiding inner air, effectively distribute heat.

Technical solution is used by the invention for solving the technical problem：

A kind of heat-dissipating casing with tilting fin, the housing main body including three-dimensional circular ring shape, multigroup flow deflector and use In the pedestal 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 arranges, and the pedestal is connected with the second annular, and the pedestal further includes multigroup The heat gap set around central shaft.

Further, it is described first annular to be both 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, 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 integrally in wing structure, and close to first annular one end, cross section is vertical trapezium Structure is 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 Bevel edge 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 pedestal close to the one 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 pedestal is gradually narrowed since with the second annular junction along central shaft toward pedestal 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 pedestal is also set It is equipped with the helical structure being connected with outside appurtenances.

The beneficial effects of the utility model are：In the central axis direction perpendicular to heat-dissipating casing, tilting fin is utilized Structure, 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, external pressure Larger cold air enters from opposite side inside heat-dissipating casing；In the central axis direction parallel to heat-dissipating casing, the heat dissipation of setting Gap is equally beneficial for hot inside air discharge；The construction to be radiated using both direction, is effectively reduced lamp interior hot stack, prolonged The long LED light service life.

Description of the drawings

The utility model is described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is the front view of the utility model；

Fig. 2 is an embodiment schematic diagram of the utility model；

Specific embodiment

With reference to shown in Fig. 1, a kind of heat-dissipating casing with tilting fin, which is characterized in that including three-dimensional circular ring shape Housing main body, multigroup flow deflector 41 and the pedestal 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, 45 and second ring of pedestal Shape 43 connects, and pedestal 45 further includes multigroup heat gap 44 set around central shaft.

First annular 42 are both 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, diameter are more slightly larger than the diameter for the annulus that the tie point of the second annular 43 is formed.

Flow deflector 41 is whole in wing structure, 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 bevel edge 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 pedestal close to the one side of the second annular 43, and the heat gap 44 is to favour The direction perforate of the plane of two rings, 43 shape, for distributing heat along the central shaft of heat-dissipating casing.

Pedestal 45 is gradually narrowed since with the second annular 43 junctions along central shaft toward 45 caudal directions of pedestal.

Be additionally provided with the buckle being connected with outside appurtenances on first annular 42, the afterbody of the pedestal 45 be additionally provided with outside The helical structure of portion's accessory connection.

With reference to shown in Fig. 2, a kind of LED lamp using the above-mentioned heat-dissipating casing for having and tilting fin, including：Light transmission lamp It covers 1, LED light module, finned radiator 3, be provided with the lamp outer casing 4 of tilting fin radiating structure and lamp base 5, Radiator fan 6 is further included, finned radiator 3 and radiator fan 6 are filled in 4 inside composition of the lamp outer casing lateral heat dissipation 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 lamps and lanterns 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 towards 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 is electrically connected.

4 bottom of lamp outer casing is gradually tapered up to central shaft, and in funnel-form, bottom end is provided with screw thread installation site 46, Match with 5 internal whorl of lamp base.

Meanwhile power supply supply driving 7 carries out automatic output power adjusting according to the temperature inside LED lamp.When in LED light When portion's temperature reaches preset upper limit, power supply supply driving 7 automatically controls output, and intelligence reduces output power, so as to reduce inside The temperature of operation element extends the service life of lamps and lanterns.

LED circuit substrate 2 is LED lamp major heat producing components, contacts directly transmission heat with finned radiator 3, 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, Heat by the flow deflector composition of thermally conductive sheet and lamp outer casing 4 passage, to favour the angle of LED lamp central shaft to outflow Dynamic, according to fluid pressure difference principle above and below wing structure, 4 peripheral air of LED lamp outer shell can quickly flow, so as to timely band Internal heat is walked, efficiently accomplishes LED lamps cooling, internal hot stack is reduced, extends the LED lamp bead service life.

Simultaneously because the flow deflector of lamp outer casing 4 only plays guide functions, therefore plastics forming is used, and flow deflector side Edge is round and smooth, comfortable feel, effectively avoids the problem that the exposed lamps and lanterns of conventional metals heat-dissipating casing be easy to cause scald, this practicality is new Type need not contact radiator, safety coefficient higher when replacing lamps and lanterns.

The preferred embodiment of the above, simply the utility model, the utility model are not limited to above-mentioned implementation Mode as long as it reaches the technique effect of the utility model with identical means, should all belong to the scope of protection of the utility model.

Claims

1. a kind of heat-dissipating casing with tilting fin, which is characterized in that the housing main body including three-dimensional circular ring shape multigroup is led Flow (41) and for connecting the pedestal of external component (45)；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 pedestal (45) is connected with second annular (43), and the pedestal (45) further includes multigroup around central shaft setting Heat gap (44).

2. a kind of 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 connection dot of first annular (42) are both provided with second annular (43) Into annulus, diameter is more slightly larger than the diameter for the annulus that the tie point of second annular (43) is formed.

3. a kind of heat-dissipating casing with tilting fin according to claim 1 or 2, it is characterised in that：The water conservancy diversion Piece (41) is integrally in wing structure, 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 bevel edge 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.

4. a kind of heat-dissipating casing with tilting fin according to claim 1, it is characterised in that：The heat gap (44) pedestal (45) is arranged at close to the one side of the second annular, and the heat gap (44) is to favour second annular (43) Plane direction perforate.

5. a kind of heat-dissipating casing with tilting fin according to claim 1, it is characterised in that：The pedestal (45) Since with second annular (43) junction, gradually narrowed along central shaft toward pedestal (45) caudal directions.

6. a kind of 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 on annular (42), the afterbody of the pedestal (45) is additionally provided with to be connected with outside appurtenances The helical structure connect.