CN105822908B - Illuminator - Google Patents
Illuminator Download PDFInfo
- Publication number
- CN105822908B CN105822908B CN201610196210.1A CN201610196210A CN105822908B CN 105822908 B CN105822908 B CN 105822908B CN 201610196210 A CN201610196210 A CN 201610196210A CN 105822908 B CN105822908 B CN 105822908B
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- Prior art keywords
- installation
- heat sink
- tube body
- support
- heat
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- 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.)
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Classifications
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- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
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- 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
Abstract
A kind of illuminator, including heat sink, support frame, LED component, installation sphere and circuit unit.Support frame includes several support twisted pieces, and support twisted piece has distorted-structure, and support twisted piece includes reflecting layer and supporting layer, and the edge of reflecting layer and heat sink connects, and reflecting layer is arranged towards the center of heat sink, and the edge of heat sink is separately connected each support twisted piece.LED component includes installation tube body, light rendering tube body and LED module, the first end of installation tube body is set to heat sink, and the second end for installing tube body is connect with the first end of light rendering tube body, installs the hollow setting of tube body, LED module is set to heat sink, and LED module is placed in installation tubular body.Installation sphere is connect with the second end of light rendering tube body.Above-mentioned illuminator is by the way that LED module to be directly mounted on heat sink, and the exposed setting of heat sink, without being transmitted by PCB aluminum substrate and shell, can quickly and heat is distributed in time.
Description
Technical field
The present invention relates to illuminating and heat radiating technical fields, more particularly to a kind of illuminator.
Background technique
Currently, main heater element is generally the PCB aluminum substrate directly contacted with light source in existing lighting device,
With the circuit board for driving the light source luminescent.In order to enable lighting device is integrated, usually PCB aluminum substrate and circuit board are placed in
The inside of the lighting device.
Common, PCB aluminum substrate and circuit board generally pass through shell and transfer heat in air.Using above-mentioned heat dissipation knot
The lighting device of structure, heat conduction efficiency is low, and radiating rate is slower, so that the lighting device easily has internal electricity because of poor heat radiation
Road component heat carries excessively high security risk.
Summary of the invention
Based on this, it is necessary to provide a kind of illuminator of good heat dispersion performance.
A kind of illuminator, comprising:
Heat sink, the heat sink have disc-shaped structure；
Support frame, support frame as described above include several support twisted pieces, and the edge of the heat sink is separately connected each branch
The medium position of twisted piece is supportted, and several support twisted pieces are centrosymmetric distribution with the axle center of the heat sink, wherein described
Support twisted piece that there is distorted-structure, the support twisted piece includes reflecting layer and supporting layer, the reflecting layer and the heat sink
Edge connection, and the reflecting layer is arranged towards the center of the heat sink；
LED component, the LED component include installation tube body, light rendering tube body and LED module, and the of the installation tube body
One end is set to the heat sink, and the second end of the installation tube body is connect with the first end of light rendering tube body, the peace
The hollow setting of tubulature body, the LED module is set to the heat sink, and the LED module is placed in the installing pipe body
Portion；
Sphere is installed, the second end that installation sphere and the light render tube body is connect, during the installation sphere has
Hollow structure, it is interior to form installation cavity；And
Circuit unit, the circuit unit are set in the installation cavity body, and the circuit unit and the LED mould
Group is electrically connected.
The supporting layer includes the first support layering, the second support being cascading in one of the embodiments,
Layering and third support layering, the first support layering are bonded with the reflecting layer.
The material of the third support layering is glass in one of the embodiments,.
The material of the second support layering is alloy in one of the embodiments,.
The material of the first support layering is plastic cement in one of the embodiments,.
The thickness in the reflecting layer is less than the thickness of the supporting layer in one of the embodiments,.
The reflecting layer is provided with the anti-of tooth striated structure far from the side of the supporting layer in one of the embodiments,
Penetrate face.
In one of the embodiments, in the tooth striated structure: at least partly groove has distorted-structure.
Above-mentioned illuminator is by the way that LED module to be directly mounted on heat sink, and the exposed setting of heat sink, without passing through
PCB aluminum substrate and shell are transmitted, can quickly and heat is distributed in time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the illuminator of an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another angle of the illuminator of an embodiment of the present invention；
Fig. 3 is the partial structural diagram of the illuminator of an embodiment of the present invention；
Fig. 4 is the partial structural diagram of the illuminator of an embodiment of the present invention；
Fig. 5 is the partial structural diagram of the illuminator of an embodiment of the present invention；
Fig. 6 is the partial structural diagram of the illuminator of an embodiment of the present invention；
Fig. 7 is the partial structural diagram of the illuminator of another embodiment of the present invention；
Fig. 8 is the partial structural diagram of the illuminator of another embodiment of the present invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
For example, a kind of illuminator, comprising: heat sink, the heat sink have disc-shaped structure；Support frame, the branch
Support includes several support twisted pieces, and the edge of the heat sink is separately connected the medium position of each support twisted piece, and if
The support twisted piece to be done to be centrosymmetric distribution with the axle center of the heat sink, wherein the support twisted piece has distorted-structure,
The support twisted piece includes reflecting layer and supporting layer, and the reflecting layer is connect with the edge of the heat sink, and the reflecting layer
It is arranged towards the center of the heat sink；LED component, the LED component include installing tube body, light rendering tube body and LED module,
The first end of the installation tube body is set to the heat sink, and the of the second end of the installation tube body and light rendering tube body
One end connection, the hollow setting of the installation tube body, the LED module is set to the heat sink, and the LED module is placed in
The installation tubular body；Sphere is installed, the installation sphere is connect with the second end of light rendering tube body, the mounting ball
Body has hollow structure, interior to form installation cavity；And circuit unit, the circuit unit are set in the installation cavity body,
And the circuit unit and the LED module are electrically connected.
For a further understanding of above-mentioned illuminator, another example is a kind of illuminator comprising any of the above-described reality
Apply illuminator described in example.
Also referring to Fig. 1 to Fig. 3, illuminator 10 includes: heat sink 100, support frame 200, LED component 300, peace
Dress sphere 400 and circuit unit 500, heat sink 100 are set to support frame 200, and LED component 300 is separately connected heat sink 100
And installation sphere 400, circuit unit 500 are placed in installation sphere 400, circuit unit 500 and LED component 300 are electrically connected.
Fig. 1 and Fig. 2 is please referred to, heat sink 100 has disc-shaped structure.For example, each area thickness of the heat sink is equal
Even setting.
Referring to Fig. 2, support frame 200 includes several support twisted pieces 210, the edge of heat sink 100 is separately connected each
The medium position of twisted piece 210 is supportted, and several support twisted pieces 210 are centrosymmetric distribution with the axle center of heat sink 100.For example, if
The support twisted piece is done to radially distribute with the center of circle of the heat sink；For another example, several support twisted pieces and the heat dissipation
It is formed after plate connection and is similar to " lotus " shape structure；For another example, several support twisted pieces form class after connecting with the heat sink
It is similar to " lotus flower " shape structure；For another example, it is formed after several support twisted pieces are connect with the heat sink and is similar to " spending more petaloid "
Shape structure.
Referring to Figure 4 together and Fig. 5, LED component 300 include installation tube body 310, light rendering tube body 320 and LED module
330, the first end of installation tube body 310 is set to heat sink 100, install tube body 310 second end and light rendering tube body 320 the
One end connection.The hollow setting of tube body 310 is installed, LED module 330 is set to heat sink 100, and LED module 330 is placed in peace
Inside tubulature body 310.For example, arc-shaped tubular structure is formed after the installation tube body and light rendering tube body splicing, to
The center of circle direction of the heat sink is bent, and is formed and is similar to " arch bridge " shape structure.
In order to improve the brightness of the LED module, and optimize its illuminating effect, for example, referring to Fig. 5, LED module
330 include several LED lamp beads 331, and several LED lamp beads 331 are set to heat sink 100, and several LED lamp beads 331 are placed in
It installs inside tube body 310, installation tube body 310 has open circles tubular structure.For example, the installation tube body is hollow structure, institute
The second end for stating installation tube body is placed on the outside that the light renders the first end of tube body, the light that several LED lamp beads issue
When line exposes to the first end of the light rendering tube body, the overall structure that light can render tube body along the light is transmitted, i.e. institute
It states light rendering tube body and forms the transmission path of the light, in the process, refraction, reflection or/and thoroughly can occur for the light
The physical process crossed optimizes the illuminating effect of light in this way, can carry out rendering processing to the light, improves described
The artistic atmosphere of illuminator.
In order to improve the brightness of the LED module, and optimize its illuminating effect, for example, several LED lamp beads with
The axle center of the installation tube body is centrosymmetric distribution；For another example, several LED lamp beads are sequentially connected in series setting；For another example, described
LED lamp bead and the circuit unit are electrically connected by conducting wire；For another example, the heat sink offers embedding slot, the LED lamp bead
At least partly in the embedding slot；For another example, the LED lamp bead has cuboid structure；For another example, the embedding slot tool
There is the cross section of rectangle structure, in this way, the brightness of the LED module can be improved, and optimizes its illuminating effect.
Also referring to Fig. 1, sphere 400 is installed and is connect with the second end of light rendering tube body 320, that is to say, that the peace
Dress sphere, light rendering tube body, the installation tube body and the heat sink are sequentially connected, and after four connections, the installation
Interval is provided between sphere and the heat sink.
Referring to Fig. 3, installation sphere 400 has hollow structure, interior to form installation cavity 410, installation cavity 410 is used for
Circuit unit is installed.
Referring to Fig. 3, circuit unit 500 be set to installation cavity 410 in, and circuit unit 500 respectively with it is several described
LED lamp bead is electrically connected.That is, circuit unit 500 is electrically connected with LED module 330 respectively.For example, the circuit unit also wraps
Conducting wire is included, the LED lamp bead is connect by the electric wire with the circuit unit, for providing power supply to the LED lamp bead.
Above-mentioned illuminator 10 is by the way that LED lamp bead 331 to be directly mounted on heat sink 100, and heat sink 100 is exposed
Setting can be quick and in time distributes heat without being transmitted by PCB aluminum substrate and shell.
In order to advanced optimize illuminating effect, and the integrated support intensity of the raising support twisted piece, for example, please referring to
Fig. 2, support twisted piece 210 have distorted-structure, and e.g., the support twisted piece has the structure of distortion, bending and/or bending, can be with
Make the support twisted piece that there is preferable cushion performance, is conducive to improve the support twisted piece integrated support intensity；For another example, it please refers to
Fig. 6, support twisted piece 210 includes reflecting layer 211 and supporting layer 212, and reflecting layer 211 is connect with the edge of heat sink 100, and anti-
Layer 211 is penetrated to be arranged towards the center of heat sink 100, e.g., the reflecting layer has the structure of distortion, bending and/or bending, this
Sample, when light exposes on the reflecting layer, in the reflecting layer refraction or/and reflection process can occur for the light, this
Sample can advanced optimize illuminating effect.
In order to advanced optimize illuminating effect, and the integrated support intensity of the raising support twisted piece, for example, the branch
Support layer includes the first support layering, the second support layering and third support layering being cascading, the first son support point
Layer is bonded with the reflecting layer；For another example, the material of the third support layering is glass；For another example, second support is layered
Material is alloy；For another example, the material of the first support layering is plastic cement；For another example, the thickness in the reflecting layer is less than the branch
Support the thickness of layer；For another example, the reflecting layer is provided with the reflecting surface of tooth striated structure far from the side of the supporting layer；For another example,
In the tooth striated structure: at least partly groove has distorted-structure, in this way, illuminating effect can be advanced optimized, and
Improve the integrated support intensity of the support twisted piece.
In order to advanced optimize illuminating effect, and the integrated support intensity of the raising support twisted piece, for example, the branch
Support twisted piece includes sequentially connected support portion, twist part, mounting portion and light out part, the edge of the heat sink and the mounting portion
Connection；For another example, cushion course is arranged far from one end of the twist part in the support portion；For another example, the material of the cushion course is silicon
Glue；For another example, the material of the cushion course is rubber；For another example, the mounting portion offers mounting groove, and the edge of the heat sink is embedding
It is placed in inside the mounting groove；For another example, it is arranged at the link position at the edge of the inner sidewall of the mounting groove and the heat sink
There is viscose glue portion；For another example, support frame as described above further includes threaded fastener, and the threaded fastener successively wears the mounting portion and institute
State heat sink.The threaded fastener is screw, in this way, the integrated support intensity of the support twisted piece can be improved, it is e.g., mechanical
Intensity；For another example, the light out part is provided with light-emitting surface, and the light-emitting surface has curved-surface structure, and the light-emitting surface is to close to described
The direction of installation sphere is obliquely installed, in this way, having and turning round when the light that the LED lamp bead issues exposes to the light-emitting surface
The light-emitting surface of bent curved-surface structure is being rolled over due to being obliquely installed to close to the direction of the installation sphere in this way, being conducive to light
Penetrate or/reflection after be transferred directly to the external world, that is, the wide-angle illumination of light is realized, for advanced optimizing illuminating effect.
In order to advanced optimize illuminating effect, and improve the installing pipe and the overall structure of light rendering tube body is strong
Degree, for example, several installation tube bodies are arranged for the LED component and several light render tube body, each installation tube body
Connect one to one a light rendering tube body, forms arced tube knot after the installation tube body and light rendering tube body splicing
Structure；For another example, the bending directions of several installation tube bodies are towards the installation sphere；For another example, the bending of the light rendering tube body
Direction is towards the installation sphere；For another example, several light rendering tube bodies are centrosymmetric point with the centre of sphere of the installation sphere
Cloth；For another example, several installation tube bodies are centrosymmetric distribution with the centre of sphere of the installation sphere；For another example, the installation tube body
Material be light-transmitting materials, in this way, illuminating effect can be advanced optimized, and improve the installing pipe and light rendering pipe
The overall structural strength of body, at the same time it can also realize circulating type, light rendering formula and the preferable function of artistic effect.For example, institute
State the cross section that installation tube body has round tube shape structure；For another example, the light rendering tube body has the cross section of round tube shape structure.
In order to advanced optimize illuminating effect, and improve the installing pipe and the overall structure of light rendering tube body is strong
Degree, for example, light rendering tube body 320 is equipped with several ring junctions outside referring to Fig. 7, light rendering tube body 320 has warp architecture
The light transmission of structure renders body 321, the outer diameters of several light transmissions rendering bodies 321 from the first end of light rendering tube body 320 to its second end by
It is cumulative big, in this way, rendering effect further can played to light using light rendering tube body 320, for another example, each light rendering
The different setting of color of tube body and each light transmission rendering body, material are used such as crystal, glass or acrylic material, for into
One step improves rendering effect；For another example, the side of light transmission rendering body towards the installation tube body has planar structure；For another example, every phase
The distance between adjacent two light transmission rendering bodies are equal；For another example, rendering the distance between the body of light transmission described in each adjacent two by
The first end of the light rendering tube body is gradually increased to its second end；For another example, the rendering of light transmission described in each adjacent two body is set in parallel
It sets；For another example, the edge of the light transmission rendering body has arc-shaped structure；For another example, the material of the light rendering body is crystal.
It is appreciated that since several LED lamp beads are arranged in the LED module, it is larger based on the circuit unit power,
And on the basis of separate cooling system or structure, other than solving the illuminator radiating requirements, it is necessary to described in solution
The floodlight circuit component problem larger because of the load for energizing excessive generation, i.e., the described circuit unit can be because of the excessive generation of load
The problem of local component scorification, i.e. generation short circuit problem, at this point, the circuit unit is easy to kindling, there are the danger of fire
Danger, greatly threatens the person and property safety of user.
In order to improve security performance, for example, referring to Fig. 3, the illuminator further includes filling mechanism 600, filling machine
Structure 600 includes fire extinguishing layers of solid material 610 and initiation portion 620, and installation sphere 400 is also provided with filling cavity 420, fills cavity
Cavity 420 are filled specifically, installation cavity 410 is located at 400 inside of installation sphere in 420 cross sections with cirque structure
It in 400 outside of installation sphere, and installs and is provided with interval between cavity 410 and installation sphere 400, installation sphere 400 is being installed
Cavity 410 and filling cavity 420 between offer cause hole 430, cause hole 430 respectively with installation cavity 410 and installation sphere
400 connections, fire extinguishing layers of solid material 610 are filled in inside filling cavity 420, and initiation portion 620, which is set to, causes hole 430, and seals
It closes and causes hole 430.For example, the initiation portion has membranaceous or laminated structure, e.g., the material in the initiation portion is polymer plastic
Material, when circuit unit kindling or failure heat production, the effect based on high temperature, initiation portion melted by heat.For example, described
The material of fire extinguishing layers of solid material is that fire prevention solid material can occur when the fire prevention solid material is by high temperature action
Chemical action volatilizes a large amount of fire-retardant gas, e.g., carbon dioxide.For example, the installation cavity is provided with snorkel, it is described
Snorkel passes through the filling cavity, but the snorkel is not connected to the filling cavity, the first end of the snorkel
It is connected to the installation cavity, the second end of the snorkel is connected to outside, for making fire-retardant gas pass through institute more unobstructedly
It states initiation hole and is ejected to the installation cavity.
The working principle of above-mentioned filling mechanism 600 is as follows:
When the circuit unit short circuit occurred inside and when catching fire, the effect based on high temperature, it is described cause it is described in hole
Initiation portion melted by heat is connected to the initiation hole with the accommodating cavity, in the process, the institute of the filling inside cavity
It states that fire extinguishing layers of solid material is heated to be decomposed or chemically react, releases a large amount of fire-retardant gas, e.g., carbon dioxide, the resistance
Combustion gas body is ejected in the accommodating cavity by the initiation hole, based on the fire retardation of the fire-retardant gas, for putting out
Circuit unit described in burning avoids that large-scale fire occurs, security performance is higher for avoiding the sprawling of the intensity of a fire.
In order to further improve the security can, for example, it is described fire extinguishing layers of solid material material be fire prevention solid material, institute
Fire prevention solid material is stated by activity fire extinguishing material, hydrophobic material and inert material component, for example, activity fire extinguishing material, hydrophobic material
The mass ratio of material and inert material is 1:0.1:2；For another example, the activity fire extinguishing material includes ammonium phosphate salt, sodium bicarbonate, chlorination
At least one of sodium and potassium chloride；For another example, the activity fire extinguishing material is ultra-fine grain diameter activity fire extinguishing material, and partial size is small
In be equal to 0.5 μm, preferably less than 0.5 μm, in this way, it is fire-retardant to can achieve powder-gas using the mobility of its own
System, security performance are higher；For another example, the hydrophobic material includes at least one of silicone oil and hydrophobic silicic aerogels；For another example, described
Inert material is talcum powder.
It is appreciated that the heat sink bears biggish since several LED lamp beads are directly mounted at the heat sink
Heat carries, especially the higher situation of power and brightness requirement, therefore, it is necessary to the heat dissipation performance performance of the heat sink is improved,
In order to further increase the heat dissipation performance of the heat sink, to improve the heat dissipation performance of the illuminator entirety, for example, please join
Fig. 7 is read, heat sink 500 includes safe floor 510, heat-conducting layer 520, heat transfer layer 530 and the heat dissipating layer 540 being cascading, institute
It states LED lamp bead and is set to the safe floor.
For example, the illuminator of an embodiment, the safe floor includes each component of following mass parts: nitridation
80 parts~90 parts of silicon, 30 parts~45 parts of titanium dioxide, 2 parts~8 parts of silica, 2 parts~15 parts, 0.5 part of light weight calcium of kaolin
~2 parts and 0.2 part~0.5 part of rare earth oxide.For example, the rare earth oxide includes lanthana, cerium oxide, praseodymium oxide, oxygen
Change at least one of europium and terbium oxide, for example, lanthana, cerium oxide, praseodymium oxide, europium oxide and terbium oxide mass ratio be 1:1:
1:1:1.
Above-mentioned safe floor has insulation effect good, the advantage that thermal coefficient is big and thermal expansion coefficient is low, in this way, working as LED light
When the heat of pearl is directly delivered to the safe floor, the safe floor can be quick and in time gathers LED lamp bead near zone
The heat transfer of collection is to the heat-conducting layer, to ensure the normal work of LED lamp bead.Secondly as the safe floor and LED lamp bead
It directly contacts or is closer, the thermally conductive load undertaken is maximum, and above-mentioned safe floor uses silicon nitride as primary raw material, and mixes
It can have lower thermal expansion coefficient with other materials, so as to avoid generating between the safe floor and the heat-conducting layer
Gap, and avoid the safe floor itself from generating gap, and then can lead to avoid what is generated behind the gap and gap filling air
The problem of hot coefficient reduces.Further, since directly contacting or being closer between the safe floor and LED lamp bead, is easy hair
Raw electric elements, the case where directly contact with the safe floor such as conducting wire, above-mentioned safe floor uses silicon nitride as primary raw material,
And mixed other materials can have preferable insulating properties, so as to avoid the safe floor from being powered, to improve described
The security performance of illuminator, safety standard are higher.
For example, the illuminator of an embodiment, the heat-conducting layer includes each component of following mass parts: nanometer
90 parts~95 parts of graphene fiber, 0.5 part~15 parts of multi-walled carbon nanotube, 0.1 part~5 parts of single-walled carbon nanotube and nano-sized carbon
0.1 part~10 parts of fiber.
Above-mentioned heat-conducting layer uses nano-graphene fiber for primary raw material, and uses multi-walled carbon nanotube, single
Pipe and carbon nano-fiber are as auxiliary material, so that the heat-conducting layer has biggish thermal coefficient, heat-conducting effect is preferable.It needs
, it is noted that addition multi-walled carbon nanotube, single-walled carbon nanotube and carbon nano-fiber, can form micro- dissipate in the heat-conducting layer
Heat pipeline, for further increasing heat dissipation performance, in this way, the heat of the safe floor can quickly and be in time transferred to institute
It states in heat transfer layer.
It should be noted that because the LED lamp bead shine the heat generated pass through before two layers, i.e., the described safe floor and described
After heat-conducting layer, the heat loss of some is understood into extraneous air.Further, since the higher cost of the heat-conducting layer,
Main reason is that the primary raw material of the heat-conducting layer is the higher nano-graphene fiber of preparation cost, therefore, based on described
In the case that the heat transfer and heat dissipation load of heat transfer layer are relatively small, the more common metal in current market is can be used in the heat transfer layer
Heat sink material, to achieve the effect that reduce cost and obtain preferable heat transfer property.
For example, the heat transfer layer of an embodiment of the present invention comprising each component of following mass parts: 85 parts~90 parts of copper,
2 parts~4.5 parts of titanium, 0.1 part~0.3 part of nickel, 0.2 part~1.2 parts of magnesium, 0.2 part~0.7 part of iron, 0.2 part of vanadium~1.2 parts, manganese
0.1 part~0.4 part and 0.1 part~0.3 part of chromium.
Above-mentioned heat transfer layer has preferable heat transfer property using what 85 parts~90 parts of copper can make heat transfer layer, so as to
More quickly the heat being transmitted on the heat-conducting layer is passed, and then is evenly dispersed in the structure of the heat transfer layer entirety
On, to prevent heat from accumulating on the contact position between the heat-conducting layer and the heat transfer layer, cause hot-spot phenomenon
It generates.In addition, above-mentioned heat transfer layer has thermal coefficient high, perfect heat-dissipating, good mechanical property and the advantages of cost is relatively low, such as
This, when the heat transfer of the heat-conducting layer gives the heat transfer layer, then the heat that the heat-conducting layer is absorbed into can be more fast
It is transmitted in the heat dissipation fastly, and during heat transfer, the heat of part can also be directly delivered to by the heat transfer layer
In extraneous air.
It should be noted that when the heat that the LED lamp bead generates passes through three first layers, i.e., the respectively described safe floor, institute
After stating heat-conducting layer and the heat transfer layer, has relatively large a part of heat and scatter and disappear in air medium in transmitting, in addition, by
It is copper in the primary raw material of the heat transfer layer, therefore heavier mass loads relatively small feelings based on heat dissipating layer heat dissipation
Under condition, it is preferable that the heat dissipating layer can be used heat dissipation effect, lighter in weight, lower-cost material, with reach reduce cost and
Weight, and obtain the effect of preferable heat dissipation performance.
For example, the heat dissipating layer of an embodiment of the present invention comprising each component of following mass parts: 70 parts~75 parts of aluminium,
35 parts~45 parts of copper, 0.2 part~0.7 part of magnesium, 0.1 part~0.3 part of nickel, 0.2 part~0.7 part of iron, 0.2 part of manganese~0.5 part, titanium
0.1 part~0.3 part, 0.05 part~0.1 part of chromium and 0.1 part~0.3 part of vanadium.
Above-mentioned heat dissipating layer uses 70 parts~75 parts of aluminium and 35 parts~45 parts of copper, and the heat dissipating layer can be made still to have
Preferable heat dissipation performance, so as to ensure that the heat dissipating layer can rapidly dissipate the heat passed over by the heat transfer layer
It loses in air medium, e.g., is dissipated in inside the heat-dissipating cavity, and then heat is avoided to accumulate on the heat dissipating layer, causes
Hot-spot phenomenon generates.Compared with the existing technology, merely use price costly and the biggish copper of quality, above-mentioned heat dissipating layer
Both there is good heat dissipation effect, there can be lighter weight rapidly by heat loss into air, be easily installed casting, price
Less expensive advantage.Meanwhile compared with the existing technology, the aluminium alloy for merely using heat dissipation effect poor, above-mentioned heat dissipating layer tool
There is more preferably heat transfer property.
For example, the safe floor, the heat-conducting layer, the heat transfer layer and the heat dissipating layer thickness ratio be 0.5~1.1:
0.1~0.3:3~3.5:4~4.5, for optimizing the structure of the heat sink, for improving heat dissipation performance.
It should be noted that the other embodiment of the present invention further includes that technical characteristic in the various embodiments described above be combined with each other
It is formed by the illuminator that can implement.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for embodiment described above, and the description thereof is more specific and detailed, but
It cannot be construed as a limitation to the scope of the present invention.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to of the invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of illuminator characterized by comprising
Heat sink, the heat sink have disc-shaped structure；
Support frame, support frame as described above include several support twisted pieces, and the edge of the heat sink is separately connected each support and turns round
The medium position of piece, and several support twisted pieces are centrosymmetric distribution with the axle center of the heat sink, wherein the support
Twisted piece has distorted-structure, and the support twisted piece includes reflecting layer and supporting layer, the edge in the reflecting layer and the heat sink
Connection, and the reflecting layer is arranged towards the center of the heat sink；
LED component, the LED component include installation tube body, light rendering tube body and LED module, the first end of the installation tube body
It is set to the heat sink, the second end of the installation tube body is connect with the first end of light rendering tube body, the installing pipe
The hollow setting of body, the LED module is set to the heat sink, and the LED module is placed in the installation tubular body；
Sphere is installed, the installation sphere is connect with the second end of light rendering tube body, and the installation sphere has hollow knot
Structure, it is interior to form installation cavity；And
Circuit unit, the circuit unit are set in the installation cavity body, and the circuit unit and the LED module are electrical
Connection；
The illuminator further includes filling mechanism, and the filling mechanism includes fire extinguishing layers of solid material and initiation portion, the peace
Dress sphere is also provided with filling cavity, and the filling cavity has the cross section of cirque structure, and the installation cavity body is located at institute
Side in mounting ball body is stated, the filled cavity body is located at the external side of the mounting ball, and the installation cavity and the installation sphere
Between be provided with interval, the installation sphere offers between the installation cavity and the filling cavity causes hole, described
Cause hole to be connected to the installation cavity and the installation sphere respectively, the fire extinguishing layers of solid material is filled in filled cavity body
Portion, the initiation portion are set to the initiation hole, and close the initiation hole, and the initiation portion has membranaceous or laminated structure,
The material in the initiation portion is high molecule plastic, and the material of the fire extinguishing layers of solid material is fire prevention solid material, the installation
Cavity is provided with snorkel, and the snorkel passes through the filling cavity, and the snorkel is not connected to the filling cavity, institute
The first end for stating snorkel is connected to the installation cavity, and the second end of the snorkel is connected to outside.
2. illuminator according to claim 1, which is characterized in that the supporting layer includes first to be cascading
Support layering, the second support layering and third support layering, the first support layering are bonded with the reflecting layer.
3. illuminator according to claim 2, which is characterized in that the material of the third support layering is glass.
4. illuminator according to claim 3, which is characterized in that the material of the second support layering is alloy.
5. illuminator according to claim 4, which is characterized in that the material of the first support layering is plastic cement.
6. illuminator according to claim 1, which is characterized in that the thickness in the reflecting layer is less than the supporting layer
Thickness.
7. illuminator according to claim 1, which is characterized in that the reflecting layer is set far from the side of the supporting layer
It is equipped with the reflecting surface of tooth striated structure.
8. illuminator according to claim 7, which is characterized in that in the tooth striated structure: at least partly groove
With distorted-structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196210.1A CN105822908B (en) | 2016-03-30 | 2016-03-30 | Illuminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196210.1A CN105822908B (en) | 2016-03-30 | 2016-03-30 | Illuminator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105822908A CN105822908A (en) | 2016-08-03 |
| CN105822908B true CN105822908B (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610196210.1A Active CN105822908B (en) | 2016-03-30 | 2016-03-30 | Illuminator |
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| Country | Link |
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| CN (1) | CN105822908B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402812A (en) * | 2016-09-22 | 2017-02-15 | 东莞市闻誉实业有限公司 | Led lamp |
| CN107086011A (en) * | 2017-05-12 | 2017-08-22 | 惠州三华工业有限公司 | Display |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105822908A (en) | 2016-08-03 |
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