CN110107822A - Radiating element and lighting apparatus - Google Patents

Radiating element and lighting apparatus Download PDF

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Publication number
CN110107822A
CN110107822A CN201910418419.1A CN201910418419A CN110107822A CN 110107822 A CN110107822 A CN 110107822A CN 201910418419 A CN201910418419 A CN 201910418419A CN 110107822 A CN110107822 A CN 110107822A
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CN
China
Prior art keywords
wind
sink
sink body
heat radiator
radiating element
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Granted
Application number
CN201910418419.1A
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Chinese (zh)
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CN110107822B (en
Inventor
叶伟炳
陈晓健
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Dongguan Wenyu Industrial Co Ltd
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Dongguan Wenyu Industrial Co Ltd
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Priority to CN201910418419.1A priority Critical patent/CN110107822B/en
Publication of CN110107822A publication Critical patent/CN110107822A/en
Application granted granted Critical
Publication of CN110107822B publication Critical patent/CN110107822B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/60Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/673Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for intake
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/75Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

This application involves radiating element and lighting apparatus, radiating element includes heat radiator body and multiple sink bodies in heat radiator body;Each sink body is formed at least three air ducts and at least one keeps out the wind position, and each sink body is formed with wind passage mouth at the marginal position of heat radiator body;At least one position of keeping out the wind is set at the marginal position of heat radiator body, and an at least air duct is kept out the wind position setting towards at least one.Pass through design air duct and position of keeping out the wind, form the sink body irregularly arranged, so that air-flow is forced to commutate in position of keeping out the wind, on the one hand the air flow contacts time is conducive to extend to promote the conduction of heat between solid-state sink body and gaseous air, on the other hand be conducive to make full use of air further to promote heat loss through convection effect on the basis of solid gas conducts, to realize the effect that the heat on radiating element is taken away as early as possible, and then be conducive to be promoted the heat dissipation effect of target to be radiated, for LED light, the true Acceptable life of LED light is improved.

Description

Radiating element and lighting apparatus
Technical field
This application involves field of radiating, more particularly to radiating element and lighting apparatus.
Background technique
The product as shown in Figure 1, light emitting diode (LED, Light Emitting Diode) of die casting radiates, cooling fin 110 be all the regular array that in line at same direction or same shape is connected to tail end;When wind passes through cooling fin quickly Past, no maximum efficiency take away heat, cause heat dissipation effect undesirable, and the lamp heat dissipation mounted in the inside is with regard to bad, the service life of lamp It does not grow, powerful lamp can not be filled.
The die casting heat dissipation flake products of this regular direction arrangement on the market, its heat dissipation effect is not very well, especially In the natural heat dissipation environment of no configuration fan, the heat dissipation for causing some powerful lamps not reach requirement behind the inside is imitated Fruit and heat dissipation effect are bad, and the service life of lamp is caused to be far smaller than the time of design requirement.
Summary of the invention
Based on this, it is necessary to provide a kind of radiating element and lighting apparatus.
A kind of radiating element comprising heat radiator body and multiple sink bodies in the heat radiator body;
Each sink body is formed at least three air ducts and at least one keeps out the wind position, and each sink body is dissipated in described Wind passage mouth is formed at the marginal position of hot ontology;
Position of at least keeping out the wind described in one is set at the marginal position of the heat radiator body, and at least one air duct is towards at least Keep out the wind described in one position setting.
Above-mentioned radiating element forms the sink body irregularly arranged, so that air-flow by design air duct and position of keeping out the wind It is forced to commutate in position of keeping out the wind, is conducive to extend the air flow contacts time on the one hand to be promoted between solid-state sink body and gaseous air Conduction of heat, be on the other hand conducive to make full use of air further to promote heat loss through convection on the basis of solid gas conducts Effect, another further aspect either natural wind or fan wind is applicable, to realize as early as possible the heat on radiating element The effect taken away, and then be conducive to be promoted the heat dissipation effect of target to be radiated, for LED light, improve the true of LED light Acceptable life.
Each sink body of the radiating element is in the margin location of the heat radiator body in one of the embodiments, The place of setting is formed with multiple wind passage mouths.
The part wind passage mouth is formed with wind home range, portion in collecting in the heat radiator body in one of the embodiments, Divide the sink body to be formed by air duct and is connected to the wind home range setting.
The heat radiator body is additionally provided with the area Feng Tai at the marginal position of the wind home range in one of the embodiments,.
The part sink body is connected with each other setting in one of the embodiments,.
The marginal position of at least partly described sink body is equipped with arc wind surface in one of the embodiments,.
The sink body has up-small and down-big shape in one of the embodiments,.
The heat radiator body offers an at least mounting groove, an at least via hole or at least three in one of the embodiments, Mounting hole.
Each sink body is symmetrical arranged in one of the embodiments,;
At least partly described sink body offered air port;
The heat radiator body is equipped with stage portion at the marginal position crossed by air port and close to the heat radiator body;
Fluted, the extending direction one of the extending direction of the groove and the sink body is opened up on the sink body It causes;
At least two sink bodies, which are connected, is arranged and is formed with bending part or at least one sink body with curved Setting is connected in folding part, the groove at the bending part;
Adjacent two air duct forms the angle of 0 to 60 degree, and each air duct forms at least five different angles;
The angle of 60 to 90 degree is formed close to the air duct of the position of keeping out the wind and the position of keeping out the wind;
The part sink body be connected with each other setting and formed in the heat radiator body one have turnover shape and The heat sink compound of multiple closing air flues is connected with each other in each sink body of setting, and at least one sink body is opened It was equipped with air port, the heat sink compound is formed at least two closing air flues and at least one open air duct.
A kind of lighting apparatus comprising lighting device and any one radiating element, the lighting device with it is described The heat radiator body of radiating element is in contact setting.
Above-mentioned lighting apparatus is conducive to extend the service life of lighting device since heat dissipation effect is preferable.
Detailed description of the invention
Fig. 1 is the radiating element schematic diagram of traditional technology.
Fig. 2 is the structural schematic diagram of the application one embodiment.
Fig. 3 is the structural schematic diagram of another angle of embodiment illustrated in fig. 2.
Fig. 4 is enlarged diagram at the A of embodiment illustrated in fig. 3.
Fig. 5 is the structural schematic diagram of another angle of embodiment illustrated in fig. 2.
Fig. 6 is enlarged diagram at the B of embodiment illustrated in fig. 5.
Fig. 7 is the structural schematic diagram of another embodiment of the application.
Fig. 8 is enlarged diagram at the C of embodiment illustrated in fig. 7.
Fig. 9 is the structural schematic diagram of another embodiment of the application.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing to the application Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this Shen Please.But the application can be implemented with being much different from other way described herein, those skilled in the art can be not Similar improvement is done in the case where violating the application intension, therefore the application is not limited by the specific embodiments disclosed below.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level ", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application The normally understood meaning of technical staff is identical.Term used in the description of the present application is intended merely to describe specific reality Apply the purpose of mode, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more relevant Any and all combinations of listed item.
In the application one embodiment, a kind of radiating element comprising heat radiator body and be located at the heat radiator body on Multiple sink bodies;Each sink body is formed at least three air ducts and at least one keeps out the wind position, and each sink body Wind passage mouth is formed at the marginal position of the heat radiator body;Position of at least keeping out the wind described in one is set to the side of the heat radiator body At edge position, at least one air duct is arranged towards position of at least keeping out the wind described in one.Above-mentioned radiating element passes through design air duct and gear Wind position forms the sink body irregularly arranged, so that air-flow is forced to commutate in position of keeping out the wind, is on the one hand conducive to extend air-flow Time of contact to promote the conduction of heat between solid-state sink body and gaseous air, is on the other hand conducive to make full use of sky Gas on the basis of solid gas conducts further to promote heat loss through convection effect, to realize as early as possible the heat on radiating element The effect taken away, and then be conducive to be promoted the heat dissipation effect of target to be radiated, for LED light, improve the true of LED light Acceptable life.
A kind of radiating element in one of the embodiments, comprising the part-structure or entire infrastructure of following embodiment; That is, radiating element includes some technical characteristics or all technical features below.A kind of radiator in one of the embodiments, Part comprising heat radiator body and multiple sink bodies in the heat radiator body.The concrete shape of sink body can phase Same or different, further, the shape of sink body is different in one of the embodiments, is arranged to form irregular row Cloth, so that the air flow contacts time further extends.The sink body has up-small and down-big shape in one of the embodiments, Shape, the i.e. part close to the heat radiator body are larger, and the part far from the heat radiator body is smaller;That is, originally close to the heat dissipation The part of body is thicker, and the part far from the heat radiator body is thinner.Further, the heat dissipation in one of the embodiments, Open up fluted on sheet body, the extending direction of the groove is consistent with the extending direction of the sink body;A reality wherein It applies in example, a kind of radiating element comprising heat radiator body and multiple sink bodies in the heat radiator body;It is each described scattered Backing body is formed at least three air ducts and at least one keeps out the wind position, and each sink body is in the marginal position of the heat radiator body Place is formed with wind passage mouth;Open up fluted on the sink body, the extending direction of the groove prolongs with the sink body It is consistent to stretch direction;Position of at least keeping out the wind described in one is set at the marginal position of the heat radiator body, at least one air duct direction At least keep out the wind described in one position setting;Remaining embodiment and so on.It is parallel on the sink body in one of the embodiments, Multiple grooves are offered, this design is easily achieved in terms of product processing.Such design is on the one hand advantageous In the heat of heat radiator body is rapidly introduced into sink body under the premise of saving material, on the other hand preferably improve solid Contact area between state sink body and gaseous air.Further, at least one heat dissipation in one of the embodiments, Sheet body has bending part;In one of the embodiments, at least two sink bodies be connected setting or at least two it is described dissipate Backing body integrated setting, and it is formed with bending part;The groove is connected at the bending part in one of the embodiments, Setting, i.e., the described groove are through slot;At least two sink bodies, which are connected, in one of the embodiments, is arranged and is formed with curved Folding part or at least one sink body have bending part, and setting is connected in the groove at the bending part;It is such to set Meter, one side bending part forms position of keeping out the wind, so that air-flow is forced to commutate in bending part, is conducive to extend the air flow contacts time, On the other hand a part of air-flow can be appeared by groove, be conducive to be promoted the heat between solid-state sink body and gaseous air and pass Effect is led, therefore there is preferable heat dissipation effect, and then be conducive to be promoted the heat dissipation effect of target to be radiated.
The heat radiator body offers an at least mounting groove in one of the embodiments,;An and/or reality wherein It applies in example, the heat radiator body offers an at least via hole;And/or the heat radiator body opens up in one of the embodiments, There are at least three mounting holes.The heat radiator body by mounting groove or mounting hole be fixedly installed in external environment or lighting device or On the target product that person needs to radiate.The design of via hole is conducive to the interior of the target product that promotion lighting device or needs radiate Portion's hot-air appears and realizes heat loss through convection effect.
Each sink body is symmetrical arranged in one of the embodiments,;It is each described scattered in one of the embodiments, The setting of backing body axial symmetry;Each sink body is centrosymmetric setting in one of the embodiments,.A reality wherein It applies in example, the heat radiator body center symmetric setting, each sink body is centrosymmetric setting, and two symmetrical centre weights Close setting.
Each sink body is formed at least three air ducts and at least one keeps out the wind position, and each sink body is dissipated in described Wind passage mouth is formed at the marginal position of hot ontology;Further, in one of the embodiments, in each sink body, It is formed with air duct between adjacent two sink body, and is formed at least three air ducts between each sink body.At it In middle one embodiment, each sink body of the radiating element is formed with more at the marginal position of the heat radiator body A wind passage mouth.Wind passage mouth includes air inlet road junction and outlet air road junction, is distinguished generally according to air inlet and air-out direction, but is also not Absolute, for the lighting apparatus using fan air-supply, then each sink body is at the marginal position of the heat radiator body It is formed with outlet air road junction, vice versa, and for the lighting apparatus using fan exhausting, then each sink body is in the heat dissipation Air inlet road junction is formed at the marginal position of ontology.Further, in one of the embodiments, adjacent two air duct formed 0 to 60 degree of angle.Adjacent two air duct forms 0 degree of angle in one of the embodiments, that is, is arranged in parallel.A reality wherein It applies in example, adjacent two air duct forms 10,20,30,40,50 or 60 degree of angle.Further, in one of the embodiments, Each air duct forms at least five different angles.On the one hand such design advantageously forms the heat dissipation irregularly arranged Sheet body so that air-flow while position of keeping out the wind is forced commutation it is also possible to deflecting can be forced by the sink body of air duct two sides, On the other hand be conducive to the application environment of reform of nature wind or fan wind, realize and the heat on radiating element is taken away as early as possible Effect.
Position of at least keeping out the wind described in one is set at the marginal position of the heat radiator body, and at least one air duct is towards at least Keep out the wind described in one position setting.Further, it is additionally provided at the marginal position of the heat radiator body in one of the embodiments, convex The portion of rising, for further promoting airflow-reversing effect.Further, the side of the heat radiator body in one of the embodiments, Edge is additionally provided with boss portion at position, promotes airflow-reversing effect for further, in one of the embodiments, the boss portion With triangle or rectangular shape.Position of keeping out the wind is formed by sink body, further, in one of the embodiments, Each position of keeping out the wind is formed by a sink body, alternatively, each position of keeping out the wind is formed by two sink bodies, or Person, each position of keeping out the wind are formed by least two sink bodies;In this way, position of keeping out the wind can neatly be designed.Wherein one In a embodiment, position of keeping out the wind is flat, or bending, or oblique;Further, in one of the embodiments, The angle of 60 to 90 degree is formed close to the air duct of the position of keeping out the wind and the position of keeping out the wind.It leans in one of the embodiments, The air duct of the nearly position of keeping out the wind and the position of keeping out the wind form 60,70,80 or 90 degree of angle.Such design, is conducive to Air-flow is promoted to be forced to commutate in position of keeping out the wind.
The part wind passage mouth is formed with wind home range, portion in collecting in the heat radiator body in one of the embodiments, Divide the sink body to be formed by air duct and is connected to the wind home range setting.Further, described in one of the embodiments, The center setting of the heat radiator body is deviateed in wind home range, i.e. wind home range is not located at center, such as heat radiator body is circle, wind Home range does not include the center deviation center of circle in the center of circle or the wind home range;Such design, wind home range is for playing local wind gathering Effect so that wind pressure caused by air duct produces certain variation in wind home range, either natural wind or fan wind all may be used To achieve the effect that an irregular assignment, improves and extend air-flow and heat radiator body close to the side of sink body and each heat dissipation The time that sheet body is in contact, for small heat-dissipating device, this time may be inappreciable, but for area compared with For big radiating element, this time is exactly that the other technologies of the application is cooperated to improve an important factor for influencing radiating efficiency, The heat dissipation effect for being conducive to be promoted target to be radiated improves the true Acceptable life of LED light for LED light. In one embodiment, the heat radiator body is additionally provided with the area Feng Tai at the marginal position of the wind home range.Further, exist In one embodiment, the combination that the wind home range resembles a pear in shape or the wind home range is trapezoidal;One embodiment wherein In, the quantity of the wind home range is one, and the quantity in the area Feng Tai is multiple.It is multiple described in one of the embodiments, The area Feng Tai is arranged intermittently around the wind home range.Such design is increased by the layout designs in the wind home range area Ji Fengtai The degree of irregularity of heat radiator body and sink body, to increase airflow-reversing close to the dimension of heat radiator body in sink body Position, the position of airflow-reversing that cooperation sink body is realized along the dimension that heat radiator body extends is conducive to extend air-flow Time of contact is to promote the conduction of heat between solid-state sink body and gaseous air.Further, an implementation wherein In example, the edge in the area Feng Tai has inclined-plane, is on the one hand to reduce security risk in production or application as far as possible, another Aspect is conducive to increase contact surface area to promote heat exchange effect.
The part sink body is connected with each other setting in one of the embodiments,;Further, a reality wherein It applies in example, the part sink body, which is connected with each other setting and forms one in the heat radiator body, has turnover shape and more The heat sink compound of a closing air flue.Further, it is connected with each other each cooling fin of setting in one of the embodiments, In body, at least one sink body offered air port, and the heat sink compound is formed at least two closing air flues and at least One open air duct.The part sink body is connected with each other setting and in the heat radiator body in one of the embodiments, A heat sink compound with turnover shape and multiple closing air flues is formed, each sink body of setting is connected with each other In, at least one sink body offered air port, and the heat sink compound is formed at least two closing air flues and at least one Open air duct.Further, heat radiator body has increasing between two sink bodies of heat sink compound in one of the embodiments, Thick portion, and thickened section and two sink body define depressed area.Such design can cooperate and realize that various air ducts include opening Leak informaton and the combination of closing air flue, the scrambling of each sink body arrangement is increased, so that air-flow is forced the position of commutation More, the air flow contacts time is conducive to extend to promote the conduction of heat between solid-state sink body and gaseous air.
It is important to emphasise that explanation, the radiating element of traditional technology is usually all to promote heat loss through convection by every means Effect, that is, need quickly to send out hot-air;And each embodiment of the application has changed this industry prejudice to a certain extent, instead Its road and with going propose extend the air flow contacts time to promote the conduction of heat between solid-state sink body and gaseous air, On the one hand it is suitable for the application environment of the various temperature difference, heat dissipation effect is much better under the premise of the temperature difference that it must be admitted that certainly is big, separately On the one hand it is suitable for the natural heat dissipation or active fan cooling of passive type, it is biggish is able to ascend the calorific values such as LED light The authentic and valid service life of Related product.
At least partly described sink body offered air port in one of the embodiments,;Further, wherein one In a embodiment, each sink body offered air port.Cross air port shape and position with no restriction, further, In one embodiment, each air port of crossing includes circle, rectangle, pentagon or non-regular shape;And/or at least two institute Stated air port setting different with the minimum range of the heat radiator body;Respectively stated in one of the embodiments, air port with it is described The different setting of the minimum range of heat radiator body.Such design is conducive to the commutation for increasing air-flow, to extend air-flow and heat dissipation The time of contact of sheet body cooperates the design of heat sink compound then to have the thermal conduction effect of more preferably solid gas binary states.Wherein In one embodiment, the heat radiator body is equipped with step at the marginal position crossed by air port and close to the heat radiator body Portion;The height of stage portion is also referred to as thickness, is a part of heat radiator body design method thicker than other parts, also that is, The heat radiator body thickeies design at the stage portion, with formation and the rugged shape of other positions, so that air-flow changes To position it is more, be more advantageous to extend air-flow and sink body time of contact.Further, one embodiment wherein In, the edge of the stage portion has inclined-plane, is on the one hand to reduce security risk, another party in production or application as far as possible Face is conducive to increase contact surface area to promote heat exchange effect.
The marginal position of at least partly described sink body is equipped with arc wind surface in one of the embodiments,.At it In middle one embodiment, the marginal position of each sink body is equipped with arc wind surface.The design of arc wind surface, on the one hand It is to be easy to cause work safety accident in order to avoid edge is excessively sharp, being on the other hand conducive to cooperation has up-small and down-big shape Sink body so that there is lower wind speed close to the sink body part of heat radiator body position and far from heat radiator body position Sink body part have bigger wind speed, further promoted heat loss through convection effect, to realize as early as possible radiating element On the effect taken away of heat.
Each sink body is symmetrical arranged in one of the embodiments,;At least partly described sink body offers Cross air port;The heat radiator body is equipped with stage portion at the marginal position crossed by air port and close to the heat radiator body;Institute It states and opens up fluted on sink body, the extending direction of the groove is consistent with the extending direction of the sink body;At least two The sink body, which is connected, is arranged and is formed with bending part or at least one sink body with bending part, and the groove exists Setting is connected at the bending part;Adjacent two air duct forms the angle of 0 to 60 degree, and each air duct forms at least five phases Different angle;The angle of 60 to 90 degree is formed close to the air duct of the position of keeping out the wind and the position of keeping out the wind;The part heat dissipation Sheet body is connected with each other setting and one is formed in the heat radiator body, and there is turnover shape and the compound of multiple closing air flues to dissipate Backing is connected with each other in each sink body of setting, and at least one sink body offered air port, described compound scattered Backing is formed at least two closing air flues and at least one open air duct.
Further, the radiating element is die casting in one of the embodiments, passes through cooling fin on die-cast product Irregular arrangement, enable these cooling fins more contact nature wind, allow natural wind contact cooling fin for a long time, as early as possible Heat on cooling fin is taken away;To make to lamp the longevity that will not influence working efficiency and lamp because temperature is excessively high at work Life;Make that the requirement that more powerful lamp is attained by design is installed on such die-cast product.It specifically answers for one wherein In embodiment, the radiating element manufactures to obtain with die casting ADC12 aluminum alloy materials, some for tradition to fill 3 watts The radiating element of the Lamp cup of power under the premise of same material quantity, can be filled using the radiating element of the application related embodiment The Lamp cup of 5 watts of power, and Acceptable life increases to 30000 hours (half-life period) by 3000 hours (half-life period), can see Not only power ascension out, and the true service life also extends, and distributes the lamp heat mounted in the inside faster, guarantees The power of lamp and service life.
In one of the embodiments, as shown in Fig. 2, radiating element includes heat radiator body 100 and is located at the heat dissipation originally Multiple sink bodies 110 on body;Multiple sink bodies 110 include the first sink body 111, the second sink body 112, third Sink body 113, the 4th sink body 114, the 5th sink body 115, the 6th sink body 116, the 7th sink body 117 and 8th sink body 118 etc..First sink body 111 is the heat sink compound with turnover shape and multiple closing air flues, the One sink body 111, which is also connected with each other with the second sink body 112, to be arranged.Second sink body 112, third sink body 113, Length sequence's diminution of 5th sink body 115, the 6th sink body 116, the 7th sink body 117, and it is substantially mutually flat Row setting.Multiple sink bodies form the first air duct 121, the second air duct 122, third air duct 123, the 4th air duct the 124, the 5th Air duct 125, the 6th air duct 126 and the 7th air duct 127, and be respectively positioned at the marginal position of the heat radiator body, the first air duct 121 The angle of an acute angle is formd with the second air duct 122, the 6th air duct 126 and the 7th air duct 127 also form an acute angle Angle, the second air duct 122, third air duct 123, the 4th air duct 124 and five-duct 125 are substantially parallel to each other setting.First Sink body 111 and the 4th sink body 114 have been respectively formed position of keeping out the wind, and the 4th sink body 114 is formed by position of keeping out the wind and sets It is placed at the marginal position of heat radiator body 110;Second sink body 112, third sink body 113, the 5th sink body 115, Air duct is formed by between adjacent two sink body in 6th sink body 116 and the 7th sink body 117 to dissipate towards the 4th Backing body 114 is formed by position setting of keeping out the wind.Lug boss 190, the part wind are additionally provided at the marginal position of heat radiator body 100 Road junction is formed with wind home range 150 in collecting in the heat radiator body 100, and part air duct is connected to wind home range 150.Also referring to figure 3, Fig. 4 and Fig. 5, the radiating element further include the 9th sink body 119, the 4th sink body 114 and the 9th sink body 119 Axial symmetry setting, the 4th sink body 114 and the 9th sink body 119 offered wind at the position of heat radiator body 100 Mouthful;8th sink body 118 has bending part 152, and heat radiator body is opened up there are four mounting hole, including the first mounting hole 141, the Two mounting holes 142, third mounting hole 143 and the 4th mounting hole 144.Heat radiator body offers multiple via holes, such as the first via hole 145, the second via hole 146 and third via hole 147 etc., when necessary, via hole also may be configured as mounting hole.7th sink body 117 with It is formed with Bafeng road 128 between 8th sink body 118, is formed between the 7th sink body 117 and the 6th sink body 116 There are the 12nd air duct 132, the setting parallel with the 12nd air duct 132 of Bafeng road 128;6th sink body 116 is dissipated with other The 13rd air duct 133 is formed between backing body, the 13rd air duct 133 and Bafeng road 128 or the 12nd air duct 132 are non-parallel Setting.The marginal position of 7th sink body 117 is equipped with the 7th arc wind surface 191, the marginal position of the 6th sink body 116 Equipped with the 6th arc wind surface 192, further referring to Fig. 6, the marginal position of the 8th sink body 118 be equipped with the 8th arc by Wind face 193.In one of the embodiments, as shown in fig. 7, being additionally provided at the marginal position of heat radiator body 100 with triangle Shape boss portion 194, also referring to Fig. 8, heat radiator body 100 is also equipped at intervals at the marginal position of wind home range 150 Multiple areas Feng Tai, including the first area Feng Tai 195, the second area Feng Tai 196 and the area third Feng Tai 197 etc.;First sink body, 111 institute The heat sink compound of formation and the second sink body 112, which are connected with each other, to be arranged, and heat radiator body is in two heat dissipations of heat sink compound There is thickened section 199 between sheet body, and thickened section 199 and two sink body define depressed area 198.It is described in each embodiment The area Feng Tai is set between two sink bodies.In one of the embodiments, as shown in figure 9, multiple sink bodies are raised It is arranged in heat radiator body 100, is formed by between heat sink compound in lug boss 190 and the first sink body 111 and is formed with the Nine air ducts 129, the tenth air duct 130 is formed between the sink body in middle position, and marginal position is equipped with the 7th arc wind surface The 11st is formed between 191 the 7th sink body 117 and the 9th sink body 119 with the 9th arc wind surface 151 Air duct 131.
A kind of lighting apparatus comprising radiating element described in lighting device and any embodiment, the lighting device with The heat radiator body of the radiating element is in contact setting.The radiating element is pacified by it in one of the embodiments, Setting that tankage or mounting hole are fixedly installed on the lighting device and the heat radiator body is in contact with the lighting device.On Lighting apparatus is stated, since heat dissipation effect is preferable, is conducive to extend the service life of lighting device;Its used radiating element, By design air duct and position of keeping out the wind, the sink body irregularly arranged is formd, so that air-flow is forced to commutate in position of keeping out the wind, a side To promote the conduction of heat between solid-state sink body and gaseous air, on the other hand face is conducive to extend the air flow contacts time Be conducive to make full use of air further to promote heat loss through convection effect on the basis of solid gas conducts, another further aspect is either certainly Right wind or fan wind are applicable, to realize the effect that the heat on radiating element is taken away as early as possible, and then are conducive to The heat dissipation effect for promoting target to be radiated improves the true Acceptable life of LED light for LED light.
It should be noted that the other embodiments of the application further include, the mutually group of the technical characteristic in the various embodiments described above Close the radiating element and lighting apparatus that is formed by, 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.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.

Claims (10)

1. a kind of radiating element, which is characterized in that multiple sink bodies including heat radiator body and in the heat radiator body;
Each sink body is formed at least three air ducts and at least one keeps out the wind position, and each sink body in the heat dissipation this Wind passage mouth is formed at the marginal position of body;
Position of at least keeping out the wind described in one is set at the marginal position of the heat radiator body, and at least one air duct is towards at least one institute State position setting of keeping out the wind.
2. radiating element according to claim 1, which is characterized in that each sink body of the radiating element is in described Multiple wind passage mouths are formed at the marginal position of heat radiator body.
3. radiating element according to claim 2, which is characterized in that the part wind passage mouth collects in the heat radiator body It is formed with wind home range, the part sink body is formed by air duct and is connected to the wind home range setting.
4. radiating element according to claim 3, which is characterized in that the heat radiator body is in the marginal position of the wind home range Place is additionally provided with the area Feng Tai.
5. radiating element according to claim 1, which is characterized in that the part sink body is connected with each other setting.
6. radiating element according to claim 1, which is characterized in that the marginal position of at least partly described sink body is equipped with Arc wind surface.
7. radiating element according to claim 1, which is characterized in that the sink body has up-small and down-big shape.
8. radiating element according to claim 1, which is characterized in that the heat radiator body offers an at least mounting groove, extremely A few via hole or at least three mounting holes.
9. according to claim 1 to radiating element described in any one of 8, which is characterized in that each sink body is symmetrical arranged;
At least partly described sink body offered air port;
The heat radiator body is equipped with stage portion at the marginal position crossed by air port and close to the heat radiator body;
Open up fluted on the sink body, the extending direction of the groove is consistent with the extending direction of the sink body;
At least two sink bodies, which are connected, setting and to be formed with bending part or at least one sink body and has bending part, Setting is connected in the groove at the bending part;
Adjacent two air duct forms the angle of 0 to 60 degree, and each air duct forms at least five different angles;
The angle of 60 to 90 degree is formed close to the air duct of the position of keeping out the wind and the position of keeping out the wind;
The part sink body, which is connected with each other setting and forms one in the heat radiator body, has turnover shape and multiple The heat sink compound of closing air flue is connected with each other in each sink body of setting, and at least one sink body offers Air port is crossed, the heat sink compound is formed at least two closing air flues and at least one open air duct.
10. a kind of lighting apparatus, which is characterized in that including radiator described in lighting device and any one of claims 1 to 9 Part, the lighting device are in contact setting with the heat radiator body of the radiating element.
CN201910418419.1A 2019-05-20 2019-05-20 Heat dissipation device and lighting apparatus Active CN110107822B (en)

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