CN104776408A - Heat radiator and bulb thereof - Google Patents
Heat radiator and bulb thereof Download PDFInfo
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- CN104776408A CN104776408A CN201510176377.7A CN201510176377A CN104776408A CN 104776408 A CN104776408 A CN 104776408A CN 201510176377 A CN201510176377 A CN 201510176377A CN 104776408 A CN104776408 A CN 104776408A
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- 230000005855 radiation Effects 0.000 claims abstract description 14
- 239000011324 bead Substances 0.000 claims description 20
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000011514 reflex Effects 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 206010022000 influenza Diseases 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 6
- 230000004313 glare Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
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- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides a heat radiator and a bulb thereof. The heat radiator comprises a plurality of air flues, wherein one end of each air flue is provided with an air inlet, and the other end of each air flue is provided with an air outlet; each air inlet is closer to a heat source relative to the corresponding air outlet. The heat radiator provided by the invention is attractive in appearance, light in weight, practical and convenient and is capable of well solving the heat radiation problem of the bulb and other heat sources partially enclosed or completely enclosed by the heat radiator.
Description
Technical field
The present invention relates to radiator field.
Background technology
The features such as LED has efficiently, energy-saving and environmental protection, life-span length, fast response time, but LED only relies on chip package device and simple aluminium alloy or plastic shell heat radiation to be difficult to maintain worst cold case at present, seriously constrains the application of LED.
Whether LED is stablized, and the quality of quality and lamp body itself dispel the heat most important, if ignore heat dissipation problem, the heat that LED luminescence produces not only can affect the luminous efficiency of LED, but also can cause serious the light decay even tragic situation of light fixture damage.
The electronic device thermal source of remaining bulb or needs heat radiation and other potential occasion needing radiator, all surface area depending on radiator dispels the heat more.
To sum up, need in prior art to reform heat sink technology, to improve radiating efficiency.
Summary of the invention
For the problems referred to above, the invention provides a kind of radiator, described radiator is used for the heat radiation of bulb, it is characterized in that:
Described radiator comprises multiple air channel, and the one end in described each air channel is air inlet, and the other end is air outlet;
Relative to air outlet, the air inlet in all air channels is closer to the luminous site of bulb; And:
Air channel at least partially, around the axis of described bulb, the curved luminous site around described bulb;
The geometric center in the air inlet cross section in described air channel is at least partially more than or equal to the distance of geometric center to the axis of described bulb in its air outlet cross section to the distance of the axis of described bulb.
In addition, present invention also offers a kind of bulb, it is characterized in that: adopt above-mentioned radiator.
In addition, present invention also offers a kind of radiator, described radiator is used for the heat radiation of thermal source, it is characterized in that:
Described radiator comprises multiple air channel, and the one end in described each air channel is air inlet, and the other end is air outlet;
Relative to air outlet, the air inlet in all air channels closer to the center of described thermal source, and:
Air channel at least partially, around certain axis through the center of described thermal source, the curved center around described thermal source;
The geometric center in the air inlet cross section in described air channel is at least partially greater than the distance of geometric center to described axis in described air outlet cross section to the distance of described axis.
The present invention can realize a kind of practical and convenient, and efficiently can solve the Cooling Solution of heat dissipation problem.
Accompanying drawing explanation
Fig. 1 is the LED lamp structure schematic diagram in one embodiment of the present of invention;
Fig. 2 is the apparatus structure sectional view in one embodiment of the present of invention;
Fig. 3 is the sectional view of the radiator in one embodiment of the present of invention;
Fig. 4 is the top view of the radiator in one embodiment of the present of invention.
Detailed description of the invention
In one embodiment, provide a kind of radiator for bulb, wherein:
Described radiator comprises multiple air channel, and the one end in described each air channel is air inlet, and the other end is air outlet;
Relative to air outlet, the air inlet in all air channels is closer to the luminous site of bulb; And:
Air channel at least partially, around the axis of described bulb, the curved luminous site around described bulb;
The geometric center in the air inlet cross section in described air channel is at least partially more than or equal to the distance of geometric center to the axis of described bulb in its air outlet cross section to the distance of the axis of described bulb.
1 and 2 references by reference to the accompanying drawings, above-described embodiment for be the situation that general light projects ground downwards, the luminous site of bulb is arranged on radiator air inlet so that when producing heat, and heat, along with the rising of neighbouring hot-air, is taken out of from air outlet by heat.Wherein, air outlet is identical near the distance of axis with air inlet, or air outlet from axis more close to.Air outlet from axis more close to time, effectively can promote that hot-air is taken out of, entering of cold air, be similar to throat and be generally less than chimney bottom size thus be conducive to exhausting.Further, for the present invention, whether air outlet cross-sectional area is less than air inlet cross-sectional area is not to meet, because meet the basic demand of heat radiation in multiple air channel under, air outlet area of section also can equal air inlet area of section, only not as above-mentioned more excellent mode.
Suppose that the light of bulb upwards projects, and lamp holder (such as, E27 lamp holder) downwards, so can consider the air outlet of the radiator in above-described embodiment and the out of position of air inlet, radiator by above-described embodiment is put upside down, make air outlet all the time relative to air inlet in more top spatially.Still make the position of air intake be more than or equal to the position of air-out apart from the distance of described axis, thus be conducive to the rising of hot-air and taking out of of heat, and the entering of ambient cold air.Further, if now application scenario allows, also can suitably on move radiator, make air outlet be in more top spatially further.
Suppose that bulb is to be parallel to ground, mode perpendicular to metope is arranged on wall, now bulb axis is parallel to ground, so above-described embodiment suitably changes, best mode is: the heat sink part below bulb axis, still as described in Fig. 1 and above-described embodiment, be greater than the distance of geometric center to the axis of described bulb in its air outlet cross section to the distance of the axis of described bulb for the geometric center in the air inlet cross section in air channel---now, relative to air inlet, air outlet is positioned at the more top in space; And heat sink part more than bulb axis, then act in a diametrically opposite way, the geometric center in the air inlet cross section in air channel is less than the distance of geometric center to the axis of described bulb in its air outlet cross section to the distance of the axis of described bulb---namely, now, relative to air inlet, air outlet is still positioned at the more top in space.
Further, by the straight line of the geometric center in described air inlet cross section and the geometric center in air outlet cross section, not parallel with the axis of described bulb.For this embodiment, mean that air channel is relative to bulb axis, have the feature of inclination.Optionally, can be the inclination of rule, also can be irregular.Like this, air channel profile can be determined depending on the shape of bulb itself, form fit own with bulb, or according to mounting condition institute accommodation.
Described radiator can be used alone, and to be disposed on light fixture and near heating sources, also can be designed to a part for light fixture by connector.
Optionally, radiator air passage is designed into respectively in lamp body and lamp holder, in use, forms by lamp body and lamp holder are plugged into, described air channel is evenly distributed on round table-like lamp body.Why be round table-like, it is actual is greater than a kind of detailed description of the invention of air outlet cross-sectional area for air inlet cross-sectional area herein.In other embodiment, also can be designed as the lamp body of the shape of irregular, non-round platform, as long as still meet air outlet cross-sectional area to be less than air inlet cross-sectional area.
Here round table-like can, also can change micro-loudspeaker shape into, can design according to the needs attractive in appearance of light fixture.If air outlet cross-sectional area is identical with air inlet cross-sectional area, lamp body can also be straight-tube shape.Further, air channel is evenly distributed on lamp body, both can ensures the stress balance of light fixture, also can solve heat dissipation problem efficiently.
Optionally, described multiple air channel is independently formed by radiator self.More excellent, plug into by the lamp holder of radiator and bulb and form in described multiple air channel.Further, optionally, a part of air channel in described multiple air channel is independently formed by radiator self, is plugged into by the lamp holder of radiator and bulb and form in all the other air channels.For these 3 kinds of modes, it respectively illustrates how to form described multiple air channel.
Mode for plugging into has a lot, and can be that after simple grafting, docking is formed, also can be any thread connecting mode in the cards, or simple by lamp body or lamp care set together, combine with connector.
Preferably, the rib that described lamp body has several to protrude, described lamp holder has the corresponding groove fallen in of equivalent amount.Disposable, the groove that described lamp body has several to fall in, described lamp holder has the rib of the corresponding protrusion of equivalent amount.
Described lamp body and lamp holder can form multiple air channel in the part of specifically plugging into after plugging into.In this case, not only lamp body and lamp holder are combined, and owing to defining the air channel for air circulation, be thus conducive to heat radiation.
In order to improve the radiating rate of radiator further, described radiator adopts the aluminum alloy materials of graphene-containing.Such material also can alleviate the weight of light fixture simultaneously.
Radiator of the present invention is set forth further below in conjunction with accompanying drawing.
Fig. 1 is a kind of LED lamp structure schematic diagram in one embodiment of the present of invention.In the drawings, shown LED, lamp have E27 lamp holder, lamp holder, circuit board, sensor circuit plate, lamp body, surface-mounted lamp band, reflection shield and lampshade.Plugged into by lamp body and lamp holder and formed air channel of the present invention.Described lamp body is round table-like or tubular, and after combining with lamp holder, middle hollow space may be used for placing the funtion parts such as circuit board.Light fixture sectional view wherein after assembling as shown in Figure 2, by the design of this multiple duct, is conducive to the heat radiation of LED.
With regard to embodiment described in Fig. 1, its lamp body obviously possesses outer wall and inwall, each part in trapezoidal (up-narrow and down-wide) that its lamp holder designs, and can be combined formation air channel by the inwall in lamp body.Further, the design in lamp holder also can be considered to combine, as long as can form air channel with outer wall.
With regard to this embodiment, one end of described bulb is lampshade, and the other end is lamp holder, and along lampshade to the direction of lamp holder, what run through the axis of described bulb is lampshade, lamp body successively, lamp holder, and lamp holder;
Described lamp body inside comprises at least 2 LED lamp bead, and a reflection shield;
Described reflection shield at least reflexes to described lampshade for a part for the light described at least 2 LED lamp bead sent and projects away via described lampshade;
For above-described embodiment, the light that its LED lamp bead sends does not shine directly into lampshade and is irradiated to environment for use further, but a part for the light at least allowing LED lamp bead send is irradiated to the reflection shield of lamp body inside, then this part light is reflexed to lampshade and projects away via lampshade by reflection shield.Certainly, this just means that the light being reflected to lampshade both may be a part for the light that LED lamp bead sends, also may be whole.Although in theory, if the design be optimized makes LED lamp bead and reflection shield and lampshade reach a perfectly coupling, be so to realize all reflexing to lampshade via reflector and being gone out by the projection of 100% of light that LED lamp bead sends.But in reality, because light has decay in the process propagated, and LED lamp bead and reflection shield and lampshade are difficult to reach perfect coupling, so the light causing LED lamp bead to send can not by 100% project away via reflection shield and lampshade.
See Fig. 1, the present embodiment and usual way of the prior art unlike: the light direct irradiation that the present embodiment not makes LED lamp bead send is gone out or is directly shone out through lampshade, be on the contrary novelty reflection shield is set in lamp body so that a part of light sent to major general's LED lamp bead reflexes to lampshade and projects away via lampshade.
If the light of all LED lamp bead projects reflection shield back reflection to the geometric center place away from lampshade, i.e. region outside the geometric center of lampshade, so by such scheme, the present embodiment problem solving LED dazzle to a certain degree.If the region outside the geometric center reflexing to lampshade, so disperse (or diffusion), evenly, then be more conducive to solving glare problem.
The present invention is based on above-described embodiment, also can solve the problem of optically focused.Can utilize equally reflection shield potential realize optically focused, as long as after making the light of all LED lamp bead project reflection shield, major part is reflected to the geometric center place of lampshade.This depends on the position relationship of LED lamp bead and reflection shield, light path, even can be strengthened the function of optically focused by the lens setting up optically focused near reflection shield and LED lamp bead and lampshade.
Preferably,
Described lamp body inside is hollow structure;
In the side of lamp body near lampshade, a light bar is installed on the inwall of described lamp body;
Described at least 2 LED lamp bead, be then installed on described light bar.
For this embodiment, it clearly defines the mounting means of LED lamp bead.
It is preferred,
Described reflection shield is axisymmetric hollow surface geometry body, the section profile curve of described surface geometry body is hyperbola or circular arc or elliptic arc, and described surface geometry body comprises total two openings be positioned near lampshade and close lamp holder, the cross section of described two openings is the circular cross-section of the axis perpendicular to described bulb, and the area of the described open circles tee section of close lampshade is less than the area of the described open circles tee section near lamp holder, wherein: the axis of described reflection shield and the dead in line of described bulb.
Obviously, for this embodiment, it is intended to the structure and the mounting means thereof that provide a kind of concrete reflection shield.
Preferred, described lamp body outside is heat spreader structures of the present invention, is beneficial to heat radiation during bulb work.Preferably, heat spreader structures can, in the full encirclement structure around light source, can, when light source power is less in the semi-surrounding structure around light source, can be also even multiple different semi-surrounding structure (connecting as by common bottom surface).Easy understand, when similar size, each duct dimension are close, the radiating effect of full encirclement structural rate semi-surrounding structure is better.Although light source is aforementioned light bar in the present invention, but heat spreader structures of the present invention obviously may be used for other bulb of the prior art.
Preferred, described heat spreader structures comprises multiple air channel, and described multiple air channel includes air inlet and air outlet, and described air inlet is positioned near described lampshade place, and described air outlet is positioned near described lamp hold.Easy understand, this embodiment offers a kind of have multiple duct, novel, for the heat spreader structures of bulb.For described heat spreader structures, composition graphs 1 and Fig. 2, near air outlet, described heat spreader structures can assemble with lamp holder, and produces annexation with lamp holder.
It is preferred,
Described light bar is the shaped hollow round table light bar of the equal open-ended of an end to end upper bottom surface, the center line of described shaped hollow round table light bar and the dead in line of described bulb;
Described round table-like light bar back-off is in the inwall of described lamp body; Optionally, the bus of described hollow round table and the angle of axis are 30 °; The design of the lamp body inside of mating when this angle design provides a kind of concrete light bar and its installation
Described at least 2 LED lamp bead are positioned in a lamp pearl circular cross-section, described lamp pearl circular cross-section is a cross section of the upper bottom surface being parallel to described round table-like light bar, and described lamp pearl circular cross-section be described round table-like light bar upper bottom surface between a circular cross-section;
Along lampshade to the direction of lamp holder, for described lamp body, run through the open circles tee section having the close lamp holder of the bottom surface of the open circles tee section of the close lampshade of described reflection shield, described round table-like light bar, described lamp pearl circular cross-section, described reflection shield according to this of the axis of described bulb, and the upper bottom surface of described shaped hollow round table light bar;
Optionally, along lampshade to the direction of lamp holder, for described lamp body, what run through the axis of described bulb has the bottom surface of the open circles tee section of the close lampshade of described reflection shield, described round table-like light bar, described lamp pearl circular cross-section according to this, and the upper bottom surface of the described shaped hollow round table light bar overlapped with the open circles tee section of the close lamp holder of described reflection shield.
For above-described embodiment, it is intended to the design feature providing a kind of concrete light bar, reflection shield, relates to the installation site of itself and lampshade.From this embodiment, the principle of installation relates to the center line of the multiple novelty element of this embodiment, whether axis overlaps and mutually between position relationship.With regard to the related content of the cross section of above-described embodiment, bottom surface, the front and back position relation of the open circles tee section of reflection shield, with reference to figure 1, just easier to understand, after each element assembling, this embodiment shows that the opening of the close lamp holder of reflection shield contacts with the wall of round table-like light bar or overlaps with the upper bottom surface of light bar, is all feasible scheme.Only, the design contacted with the wall of light bar under reflection shield meets its function prerequisite, can save material further.As for the upper bottom surface of round platform, according to geometric knowledge, its upper bottom surface is less than the size of bottom surface.Composition graphs 1, that is, in this embodiment, light can be irradiated to the outer wall back reflection of reflection shield to all the other regions away from lampshade geometric center, and this embodiment is the embodiment solving glare problem.
Optionally, the area in described air inlet cross section is greater than the area in described air outlet cross section; For this embodiment, it is conducive to cross-ventilation.Make use of the principle being similar to stack effect herein, in reality, the mouth of chimney is general also little than bottom, is conducive to exhausting.
Optionally, by the straight line of the geometric center in described air inlet cross section and the geometric center in air outlet cross section, with the axis being parallel of described bulb; Disposable, by the straight line of the geometric center in described air inlet cross section and the geometric center in air outlet cross section, not parallel with the axis of described bulb, and the geometric center in described air inlet cross section is greater than the distance of geometric center to the axis of described bulb in described air outlet cross section to the distance of the axis of described bulb.With regard to herein, give (the latter) design in a kind of parallel (the former) or tilting air channel, Comparatively speaking, tilt more to be conducive to the flowing of air in air channel, be namely conducive to the rising of hot-air and constantly supplementing of cold air.
More excellent, in another embodiment:
See Fig. 1, lamp body comprises outer wall and inwall, and described multiple air channel includes the inwall of sealing, and after described lamp holder connects described lamp body completely, the inwall of described sealing is mutually plugged into by lamp body and lamp holder and formed.
Compared with previous embodiment, this embodiment apparently provides another kind of resolving ideas, and namely mutually plugged into by radiator place lamp body and lamp holder and formed in air channel.With regard to embodiment described in Fig. 1, its lamp body obviously possesses outer wall and inwall, each part in trapezoidal (up-narrow and down-wide) that its lamp holder designs, and can be combined formation air channel by the inwall in lamp body.Further, the design in lamp holder also can be considered to combine, as long as can form air channel with outer wall.
Preferably, the rib that described lamp body has several to protrude, described lamp holder has the corresponding groove fallen in of equivalent amount.Disposable, the groove that described lamp body has several to fall in, described lamp holder has the rib of the corresponding protrusion of equivalent amount.
More excellent, in another embodiment:
Described multiple air channel includes the inwall of sealing, wherein the inwall of the described sealing in part air channel is independently formed by lamp body self, after described lamp holder connects described lamp body completely, the inwall of the described sealing in remaining air channel is then mutually plugged into by lamp body and lamp holder and is formed.
Compared with the first two embodiment, this embodiment obviously combines the first two embodiment, and the air channel providing another kind of citation form forms scheme, that is: part is formed by lamp body, and part is then plugged into by lamp body and lamp holder and formed.
Fig. 3,4 schematic diagrames illustrating the radiator an embodiment from the visual angle of analysing and observe and overlook, its outer wall and inwall are formed by radiator self.Then that sealing inwall is plugged into by lamp body and lamp holder and formed in Fig. 1.
Preferred, lampshade can adopt light diffusing agent, also claims light spread powder.Thus, advantageously in solution glare problem.
Preferred, each air channel in some air channel, when mounting condition allows, can be designed to L-type air channel, wherein the mouth at the minor face place of L-type is air inlet, and the mouth of long edge position is air outlet.Like this, when L-type air channel air outlet always relative to air inlet in more top spatially time, air inlet can entering advantageously in cold air, thus be more conducive to the discharge of hot-air.
In another embodiment, the present invention discloses a kind of radiator, and described radiator is used for the heat radiation of thermal source, wherein:
Described radiator comprises multiple air channel, and the one end in described each air channel is air inlet, and the other end is air outlet;
Relative to air outlet, the air inlet in all air channels closer to the center of described thermal source, and:
Air channel at least partially, around certain axis through the center of described thermal source, the curved center around described thermal source;
The geometric center in the air inlet cross section in described air channel is at least partially greater than the distance of geometric center to described axis in described air outlet cross section to the distance of described axis.
Clearly, radiator of the present invention is not limited to bulb, it may be used for other electronic device product needing heat radiation or other products, this radiator both can be full shape of surrounding, also can be the arc shape that part is surrounded, can be even the arc shape that multiple different part is surrounded, only be installed on the position needing heat radiation.In addition, bulb of the present invention not only can solve glare problem, even can solve optically focused problem.
Each embodiment in this description, what stress is all the difference with other embodiments, and between each embodiment, identical similar part mutually can be see, also can combine each embodiment.
Above to invention has been detailed introduction, applying specific case herein and setting forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for those skilled in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a radiator, described radiator is used for the heat radiation of bulb, it is characterized in that:
Described radiator comprises multiple air channel, and the one end in described each air channel is air inlet, and the other end is air outlet;
Relative to air outlet, the air inlet in all air channels is closer to the luminous site of bulb; And:
Air channel at least partially, around the axis of described bulb, the curved luminous site around described bulb;
The geometric center in the air inlet cross section in described air channel is at least partially more than or equal to the distance of geometric center to the axis of described bulb in its air outlet cross section to the distance of the axis of described bulb.
2. radiator according to claim 1, is characterized in that: preferred, the cross-sectional area of described air inlet is greater than described air outlet cross-sectional area.
3. radiator according to claim 1 and 2, is characterized in that: the part at least multiple air channel is independently formed by radiator self.
4. radiator according to claim 1 and 2, is characterized in that: the part at least multiple air channel is plugged into by the lamp holder of radiator and bulb and formed.
5. radiator according to claim 1 and 2, is characterized in that: all air channels are uniformly distributed on a heat sink.
6. radiator according to claim 1 and 2, is characterized in that, described radiator adopts the aluminum alloy materials of graphene-containing.
7. radiator according to claim 4, it is characterized in that: the rib that described radiator has several to protrude, described lamp holder has the corresponding groove fallen in of equivalent amount, forms so that the part in described at least multiple air channel is plugged into by radiator and lamp holder; Or: the groove that described radiator has several to fall in, described lamp holder has the rib of the corresponding protrusion of equivalent amount, forms so that the part in described at least multiple air channel is plugged into by radiator and lamp holder.
8. a bulb, is characterized in that: described bulb adopts the arbitrary described radiator of the claims 1 to 7.
9. bulb according to claim 8, is characterized in that:
One end of described bulb is lampshade, and the other end is lamp holder, the lamp body that along lampshade to the direction of lamp holder, what run through the axis of described bulb is lampshade successively, radiator serves as, lamp holder, and lamp holder; And:
The lamp body that radiator serves as is hollow structure, all air channels of radiator, all around the axis of described bulb, and the rounded luminous site around described bulb;
The empty internal of described lamp body comprises the luminous site of bulb, and described luminous site at least comprises 2 LED lamp bead, and a reflection shield;
Described reflection shield at least reflexes to described lampshade for a part for the light described at least 2 LED lamp bead sent and projects away via described lampshade.
10. a radiator, described radiator is used for the heat radiation of thermal source, it is characterized in that:
Described radiator comprises multiple air channel, and the one end in described each air channel is air inlet, and the other end is air outlet;
Relative to air outlet, the air inlet in all air channels closer to the center of described thermal source, and:
Air channel at least partially, around certain axis through the center of described thermal source, the curved center around described thermal source;
The geometric center in the air inlet cross section in described air channel is at least partially greater than the distance of geometric center to described axis in described air outlet cross section to the distance of described axis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510176377.7A CN104776408B (en) | 2015-04-14 | 2015-04-14 | A kind of radiator and its light bulb |
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| CN201510176377.7A CN104776408B (en) | 2015-04-14 | 2015-04-14 | A kind of radiator and its light bulb |
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| CN104776408A true CN104776408A (en) | 2015-07-15 |
| CN104776408B CN104776408B (en) | 2018-05-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150887A (en) * | 2017-12-21 | 2018-06-12 | 董桂芳 | A kind of precision stage based on LED light source |
| CN109758015A (en) * | 2019-03-29 | 2019-05-17 | 温州市佳仕德智能卫浴有限公司 | A kind of hand dryer exhaust apparatus |
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| CN108150887A (en) * | 2017-12-21 | 2018-06-12 | 董桂芳 | A kind of precision stage based on LED light source |
| CN109758015A (en) * | 2019-03-29 | 2019-05-17 | 温州市佳仕德智能卫浴有限公司 | A kind of hand dryer exhaust apparatus |
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| Publication number | Publication date |
|---|---|
| CN104776408B (en) | 2018-05-15 |
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