CN205480314U - Increase radiating plastic LED ball of strong convection bubble lamp - Google Patents
Increase radiating plastic LED ball of strong convection bubble lamp Download PDFInfo
- Publication number
- CN205480314U CN205480314U CN201620112002.4U CN201620112002U CN205480314U CN 205480314 U CN205480314 U CN 205480314U CN 201620112002 U CN201620112002 U CN 201620112002U CN 205480314 U CN205480314 U CN 205480314U
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- heat
- heat dissipation
- convection
- dissipation plate
- led light
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Abstract
The utility model discloses an increase radiating plastic LED ball of strong convection bubble lamp, through set up heat dissipation dish and heat -conducting cylinder on the radiator, thereby and set up the heat dissipation and ventilation hole respectively and form the convection current effect of chimney formula to the discharge orifice at heat dissipation dish and heat -conducting cylinder, and the portion of trying to get to the heart of a matter sets up neotype radiating fin in the heat dissipation, this radiating fin is by the theoretical special construction according to the heat source distribution design of topology, the convection current structure of cooperation chimney formula, can improve the heat dispersion of ball bubble lamp effectively, in the aspect of luminous, direct weld LED light source module of this LED ball bubble lamp is established on the PCB printed circuit board of heat dissipation dish top surface, top surface with the heat dissipation dish sets up to free -form surface simultaneously, the light distribution that makes the LED chip send satisfies the full period -luminosity angle requirement of energy star, and simultaneously, the radiator of this LED ball bubble lamp is made by high heat -conductive plastic, reduces the production cost, consequently, this LED ball bubble lamp has better radiating effect and luminous effect concurrently, and has advantage with low costs.
Description
Technical field
This utility model relates to LEDbulb lamp field of radiating, a kind of overall plastic LEDbulb lamp strengthening heat loss through convection.
Background technology
LED (light emitting diode, Light Emitting Diode), it it is a kind of quasiconductor that can convert electrical energy into luminous energy, compared with conventional lamp, its advantage is obvious: have the advantages such as radiationless, the high and low power consumption of light efficiency, life-span length and easy of integrationization, is to cause illumination revolution and the light source of new generation of traditional lighting upgrading of industries.Particularly in the today being the theme with energy-saving and emission-reduction and low-carbon environment-friendly, semiconductor lighting becomes new growth engines especially, thus is paid much attention to by national governments and industrial circle.But LED is a kind of electroluminescent device, powers up outside under energy, the input electric energy of final general only about 30-40% is converted into luminous energy, and the form of the lattice vibration that the energy of remaining 60-70% mainly occurs with non-radiative recombination is converted into heat energy.In current LEDbulb lamp, its LED light source plate typically use plurality of LEDs chip concatenation or and the mode that connects be welded on circuit board (or heat sink), owing to LED chip needs good heat radiation, and the LED chip centralized arrangement in existing LEDbulb lamp causes its heat dispersion the most undesirable, and then have impact on the service life of whole LEDbulb lamp.Along with developing by leaps and bounds of LED illumination technology, people propose various schemes, the even LED having assembling radiator fan or reflux radiating conduit to LED illumination lamp heat radiation, and this considerably increases the cost of LED lamp undoubtedly, hinders popularizing of LED lamp.
Utility model content
In order to solve the above-mentioned problems in the prior art, this utility model provides the overall plastic LEDbulb lamp strengthening heat loss through convection of a kind of low cost and good heat dissipation effect.
The technical scheme that this utility model provides is as follows: a kind of overall plastic LEDbulb lamp strengthening heat loss through convection, including ball cell-shell, LED light source module, radiator and lamp holder, described radiator includes heat dissipation plate and is fixed in the hollow heat-conducting cylinder of described heat dissipation plate, described ball cell-shell is installed in described radiator and ball cell-shell and hollow heat-conducting cylinder is arranged in heat dissipation plate both sides, described LED light source module is installed in described heat dissipation plate front, described ball cell-shell cover sets residence and states LED light source module so that the light that LED light source module sends can be through ball cell-shell to external exposure, the described heat dissipation plate back side has been distributed uniformly and circumferentially radial radiating fin, the side opening of described heat dissipation plate is provided with multiple heat dissipation ventilation hole, described heat-conducting cylinder offers multiple convection holes forming convection current with described heat dissipation ventilation hole.
In preferred embodiment of the present utility model, described heat dissipation plate, radiating fin and described heat-conducting cylinder are made by high heat-conducting plastic.
In preferred embodiment of the present utility model, the end of described each radiating fin is provided with three little fan blades, and described three little fan blades are arranged in parallel for E type.
In preferred embodiment of the present utility model, described heat dissipation ventilation hole is set to angle shape, and described heat dissipation ventilation hole is set to 8, is the most equidistantly arranged on the sidewall of described heat dissipation plate.
In preferred embodiment of the present utility model, described convection holes is located at the terminal part away from heat dissipation plate of heat-conducting cylinder, and the corresponding described heat dissipation ventilation hole of described convection holes is set to 8, and described convection holes is set to circular hole.
In preferred embodiment of the present utility model, the end face of described heat dissipation plate is provided with PCB printed circuit board (PCB), and described LED light source module is welded on described PCB printed circuit board (PCB).
In preferred embodiment of the present utility model, the end face of described heat dissipation plate is electroplate with one layer of reflectance coating.
In preferred embodiment of the present utility model, the end face of described heat dissipation plate is set to free form surface, described LED light source module is by multiple LED light-emitting particles with in the arrangement of Concentric circle array form and described PCB printed circuit board (PCB), and the arrangement design of described LED light source module matches with the Random Curved Surface Designing of described heat dissipation plate end face.
In preferred embodiment of the present utility model, described ball cell-shell is made up of high heat-conducting plastic and diffusant.
In preferred embodiment of the present utility model, described heat-conducting cylinder is set to narrow horn-like of upper shed width under shed, and the under shed of described heat-conducting cylinder is connected with described cap screw thread, also contains driving power supply in described heat-conducting cylinder inner chamber.
nullWhat this utility model produced has the beneficial effects that: the overall plastic LEDbulb lamp strengthening heat loss through convection in this utility model is by arranging heat dissipation plate and heat-conducting cylinder on a heat sink，And be respectively provided with heat dissipation ventilation hole and convection holes at heat dissipation plate and heat-conducting cylinder thus form funnel-shaped convection effects，And novel radiating fin is set bottom heat dissipation plate，This radiating fin is the special construction designed according to thermal source distribution by topological theory，Coordinate funnel-shaped convective structure，The heat dispersion of bulb lamp can be effectively improved，In terms of luminescence，LED light source module is directly welded on the PCB printed circuit board (PCB) of heat dissipation plate end face by this LEDbulb lamp，The end face of heat dissipation plate is set to free form surface simultaneously，The light distribution making LED chip send meets the all-round angular requirement of Energy Star，I.e. at least account for the 5% of total light flux at 135 °～180 ° luminous interval luminous fluxes，Simultaneously，The radiator of this LEDbulb lamp is made up of high heat-conducting plastic，Shorten molding cycle，Reduce production cost，Therefore the overall plastic LEDbulb lamp of this enhancing heat loss through convection has preferable radiating effect and illumination effect concurrently，And the advantage with low cost.
Accompanying drawing explanation
Fig. 1 is the front view of the overall plastic LEDbulb lamp of enhancing heat loss through convection of the present utility model；
Fig. 2 is the three-dimensional exploded view of the overall plastic LEDbulb lamp strengthening heat loss through convection shown in Fig. 1；
Fig. 3 is the top view of radiator in the overall plastic LEDbulb lamp strengthening heat loss through convection shown in Fig. 1；
Fig. 4 is the side view of radiator in the overall plastic LEDbulb lamp strengthening heat loss through convection in the present invention.
Detailed description of the invention
See Fig. 1 to Fig. 4, the overall plastic LEDbulb lamp of this enhancing heat loss through convection from top to bottom includes ball cell-shell 10, LED light source module 20, radiator 30 and lamp holder 40, LED light source module 20 is arranged on the end face of radiator 30, ball cell-shell 10 screw thread is rotatably connected in the top of radiator 30 and cover sets LED light source module 20, radiator 30 includes heat dissipation plate 31 and is screwed in the hollow heat-conducting cylinder 32 below heat dissipation plate 31, heat-conducting cylinder 32 is set to narrow horn-like of upper shed width under shed, the under shed of heat-conducting cylinder 32 is threadeded with lamp holder 40, heat-conducting cylinder 32 inner chamber also contains driving power supply 50.nullRadial radiating fin 311 it has been distributed uniformly and circumferentially bottom heat dissipation plate 31，The side opening of heat dissipation plate 31 is provided with 8 heat dissipation ventilation holes 3131，8 convection holes 321 forming convection current with heat dissipation ventilation hole 3131 are offered bottom heat-conducting cylinder 32，Heat dissipation ventilation hole 3131 is set to angle shape，Convection holes 321 is set to circular hole，The end of each radiating fin 311 is provided with three little fan blades 3111，Three little fan blades 3111 are arranged in parallel for E type，Radiating fin 311 and the little fan blades 3111 on each radiating fin are the special constructions designed according to thermal source distribution by topological theory，The heat produced when LED light source module 20 works is delivered on radiating fin 311，Cold air enters from the heat dissipation ventilation hole 3131 of heat dissipation plate 31，Blow to radiating fin 311，Take away the heat on radiating fin 311，And continue upward through the convection holes 321 bottom heat-conducting cylinder 32 and drain，New cold air enters from the heat dissipation ventilation hole 3131 of heat dissipation plate 31 surrounding，The mobility of LED surrounding air is strengthened with this，Carry out unimpeded，Quickly Natural Heat Convection.
See Fig. 1 to Fig. 3, the end face 312 of heat dissipation plate 31 is provided with PCB printed circuit board (PCB) (not shown), LED light source module 20 is welded on PCB printed circuit board (PCB), the end face 312 of heat dissipation plate 31 is electroplate with one layer of reflectance coating (not shown), LED light source module 20 is arranged and on PCB printed circuit board (PCB) with Concentric circle array form by multiple LED light-emitting particles 21, LED light-emitting particles 21 may be configured as white light LEDs, the end face 312 of heat dissipation plate 31 is set to free form surface, the arrangement design of LED light-emitting particles 21 matches with the Random Curved Surface Designing of heat dissipation plate end face 312, the light distribution that LED can be made to send meets the all-round angular requirement of Energy Star, the 5% of total light flux is at least accounted at 135 ° to 180 ° of luminous interval luminous fluxes.
In the present embodiment, heat dissipation plate 31, radiating fin 311 and heat-conducting cylinder 32 are made by high heat-conducting plastic, and ball cell-shell 10 is also made up of high heat-conducting plastic and diffusant, and heat-conducting plastic substitutes the advantage of tradition aluminium and is:
(1) heat-conducting plastic density is less than aluminum, only the half of aluminum, thus the quality of heat-conducting plastic radiator than the light half of aluminum about, greatly reduce cost of transportation；
(2) heat-conducting plastic has the characteristic of electric insulation, non-isolated drive system of arranging in pairs or groups, and reduces and drives cost to improve safety simultaneously；
(3) heat-conducting plastic is in the course of processing, can use injection mo(u)lding, improves design freedom and shortens molding cycle simultaneously
(4) emissivity of heat-conducting plastic is higher, greatly enhances heat-sinking capability, and radiator emissivity can reach 0.93, and the emissivity of Aluminium Radiator is typically 0.2～0.3.
Therefore, plastics radiator 30 has the advantages that low cost, various colors, design freedom are high, easy to process, can remove the board structure in traditional heat sinks from, directly be processed into plastic tank radiators, allow LED chip be directly encapsulated on radiator, there is the convenient for production and advantage of low cost.
nullIn sum，Strengthen the overall plastic LEDbulb lamp of heat loss through convection by arranging heat dissipation plate 31 and heat-conducting cylinder 32 on radiator 30，And be respectively provided with heat dissipation ventilation hole 3131 and convection holes 321 at heat dissipation plate 31 and heat-conducting cylinder 32 thus form funnel-shaped convection effects，And novel radiating fin 311 is set bottom heat dissipation plate 31，This radiating fin 311 is the special construction designed according to thermal source distribution by topological theory，Coordinate funnel-shaped convective structure，The heat dispersion of bulb lamp can be effectively improved，In terms of luminescence，LED light source module 20 is directly welded on the PCB printed circuit board (PCB) of heat dissipation plate 31 end face by this LEDbulb lamp，The end face of heat dissipation plate 31 is set to free form surface simultaneously，The light distribution making LED chip 21 send meets the all-round angular requirement of Energy Star，I.e. at least account for the 5% of total light flux at 135 °～180 ° luminous interval luminous fluxes，Simultaneously，The radiator of this LEDbulb lamp is made up of high heat-conducting plastic，Shorten molding cycle，Reduce production cost，Therefore the overall plastic LEDbulb lamp of this enhancing heat loss through convection has preferable radiating effect and illumination effect concurrently，And the advantage with low cost.
Above are only a specific embodiment of the present utility model, but design concept of the present utility model is not limited thereto, all changes utilizing this design that this utility model carries out unsubstantiality, the behavior invading this utility model protection domain all should be belonged to.
Claims (10)
1. strengthen an overall plastic LEDbulb lamp for heat loss through convection, including ball cell-shell, LED light source module, radiator and lamp
Head, it is characterised in that: described radiator includes heat dissipation plate and is fixed in the hollow heat-conducting cylinder of described heat dissipation plate, institute
State ball cell-shell and be installed in described radiator and ball cell-shell and hollow heat-conducting cylinder is arranged in heat dissipation plate both sides, described
LED light source module is installed in described heat dissipation plate front, described ball cell-shell cover set residence state LED light source module so that
The light that LED light source module sends can be through ball cell-shell to external exposure, and the described heat dissipation plate back side is the most equal
Even radial radiating fin being distributed, the side opening of described heat dissipation plate is provided with multiple heat dissipation ventilation hole, described in lead
Hot cylinder offers multiple convection holes forming convection current with described heat dissipation ventilation hole.
The overall plastic LEDbulb lamp of enhancing heat loss through convection the most according to claim 1, it is characterised in that: described scattered
Hot plate, radiating fin and described heat-conducting cylinder are made by high heat-conducting plastic.
The overall plastic LEDbulb lamp of enhancing heat loss through convection the most according to claim 1, it is characterised in that: described often
The end of individual radiating fin is provided with three little fan blades, and described three little fan blades are arranged in parallel for E type.
The overall plastic LEDbulb lamp of enhancing heat loss through convection the most according to claim 1, it is characterised in that: described heat radiation
Air vent is set to angle shape, and described heat dissipation ventilation hole is set to 8, is the most equidistantly arranged in institute
State on the sidewall of heat dissipation plate.
The overall plastic LEDbulb lamp of enhancing heat loss through convection the most according to claim 4, it is characterised in that: described convection current
Hole is located at the terminal part away from heat dissipation plate of heat-conducting cylinder, and the corresponding described heat dissipation ventilation hole of described convection holes is set to 8
Individual, described convection holes is set to circular hole.
The overall plastic LEDbulb lamp of enhancing heat loss through convection the most according to claim 1, it is characterised in that: described heat radiation
The end face of dish is provided with PCB printed circuit board (PCB), and described LED light source module is welded on described PCB printed circuit board (PCB)
On.
The overall plastic LEDbulb lamp of enhancing heat loss through convection the most according to claim 1, it is characterised in that: described heat radiation
The end face of dish is electroplate with one layer of reflectance coating.
The overall plastic LEDbulb lamp of enhancing heat loss through convection the most according to claim 6, it is characterised in that: described heat radiation
The end face of dish is set to free form surface, described LED light source module by multiple LED light-emitting particles with Concentric circle array
In form arrangement and described PCB printed circuit board (PCB), the arrangement design of described LED light source module and described heat dissipation plate
The Random Curved Surface Designing of end face matches.
The overall plastic LEDbulb lamp of enhancing heat loss through convection the most according to claim 1, it is characterised in that: described ball steeps
Shell is made up of high heat-conducting plastic and diffusant.
The overall plastic LEDbulb lamp of enhancing heat loss through convection the most according to claim 1, it is characterised in that lead described in:
Hot cylinder is set to narrow horn-like of upper shed width under shed, and the under shed of described heat-conducting cylinder is with described cap screw thread even
Connect, described heat-conducting cylinder inner chamber also contains driving power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620112002.4U CN205480314U (en) | 2016-02-04 | 2016-02-04 | Increase radiating plastic LED ball of strong convection bubble lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620112002.4U CN205480314U (en) | 2016-02-04 | 2016-02-04 | Increase radiating plastic LED ball of strong convection bubble lamp |
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| Publication Number | Publication Date |
|---|---|
| CN205480314U true CN205480314U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620112002.4U Expired - Fee Related CN205480314U (en) | 2016-02-04 | 2016-02-04 | Increase radiating plastic LED ball of strong convection bubble lamp |
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| Country | Link |
|---|---|
| CN (1) | CN205480314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715973A (en) * | 2016-02-04 | 2016-06-29 | 华侨大学 | All-plastic LED bulb lamp for enhancing convection heat radiation |
-
2016
- 2016-02-04 CN CN201620112002.4U patent/CN205480314U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715973A (en) * | 2016-02-04 | 2016-06-29 | 华侨大学 | All-plastic LED bulb lamp for enhancing convection heat radiation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160817 Termination date: 20170204 |