CN106016202A - Multi-spherical heat conduction and dissipation device and lamp comprising same - Google Patents
Multi-spherical heat conduction and dissipation device and lamp comprising same Download PDFInfo
- Publication number
- CN106016202A CN106016202A CN201610407641.8A CN201610407641A CN106016202A CN 106016202 A CN106016202 A CN 106016202A CN 201610407641 A CN201610407641 A CN 201610407641A CN 106016202 A CN106016202 A CN 106016202A
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- Prior art keywords
- heat
- base
- conducting
- base cover
- space
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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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
-
- 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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/87—Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to a multi-spherical heat conduction and dissipation device which comprises a heat conduction base, a base cover and an upper radiator, wherein a recess is formed in the middle part of the heat conduction base; the peripheral edges of the heat conduction base are bent upwards to form upper flanges; the base cover covers the upper part of the heat conduction base; a first sealing space is formed between the heat conduction base and the base cover; a small quantity of liquid working medium is arranged in the recess; a second sealing space in a ball ring shape is formed in the upper radiator; and a plurality of inner through holes which communicate with the first sealing space and the second sealing space are formed in the joint part of the edge of the base cover. According to the multi-spherical heat conduction and dissipation device, heat transfer integrates solid-liquid-gas heat transfer to make the speed of liquid-gas phase transition circulation greatly increased by utilizing the technology of liquid-gas phase transition and liquid-gas phase circulation and the characteristics of a flow passage and a space in the special constructions formed in the device; and meanwhile, with design of an irregular surface with micro convexes and micro concaves on the surface of a solid radiator, the heat dissipation superficial area is greatly increased, and the heat dissipation efficiency is improved.
Description
Technical field:
The present invention relates to technical field of lamps, refer in particular to a kind of many spherics heat conducting and heat radiating device and
Light fixture containing device.
Background technology:
The heat abstractor of existing LED lamp is usually the gilled radiator of aluminum alloy materials,
The heat transfer efficiency of this radiator is relatively low, and radiating effect is the most general.On the other hand,
Heat-pipe type radiator has heat transfer efficiency faster, and time actually used, circle made by usual heat pipe
Pipe or the airtight shape of flat tube, internal filling working media, one end contacts with thermal source, another
In end embedding fin type radiator, carry out heat conduction and heat radiation, although its heat-sinking capability increases,
But its structure is the most relative complex, and processing procedure is relatively complicated, with assembling products such as light fixtures the most more
Loaded down with trivial details.
Summary of the invention:
It is an object of the invention to the above-mentioned weak point of existing product, it is provided that a kind of many spheres
Shape heat conducting and heat radiating device and the light fixture containing device.
The technical solution used in the present invention is: a kind of many spherics heat conducting and heat radiating device, this is led
Hot heat abstractor include use heat radiation plastics make respectively the heat-conducting base of molding, base cover and
Upper radiator, wherein,
Forming a recess in the middle part of described heat-conducting base, the periphery edge of heat-conducting base is folded upward at
Form upper flange, and the bottom center of recess inwardly upper formation one hollow channel；Described base
It is placed on the top of heat-conducting base, and the limit of the upper flange upper surface of heat-conducting base and base cover
Edge lower surface passes through ultrasonic bonding sealing engagement, and the center of base cover is offered and hollow channel
The central through hole communicated, and the upper surface of the lower surface of central through hole and hollow channel also seals
Engaging, the upper and lower port of hollow channel communicates with outside；Other of heat-conducting base and base cover
Region is contactless state, i.e. between heat-conducting base and base cover, the periphery of hollow channel
Form the first sealing space, and be provided with a small amount of liquid refrigerant in the first sealing space；First
Seal in space, formed flat between lower surface and the non-recess area of heat-conducting base of base cover
Narrow passage；The outer surface of the recess of heat-conducting base is heat source-contacting surface；
Described upper radiator have two interval, in the hemispherical curved surface being arranged concentrically, two
The lower surface of individual hemispherical curved surface is connected as a single entity, and is formed in ball between two hemispherical curved surfaces
The second ring-type sealing space；The top of said two hemispherical curved surface is opening-like, makes little
The inner space of diameter hemispherical shape curved surface communicates with outside；
The edge upper surface of base cover passes through ultrasonic bonding with the lower surface of described upper radiator
Sealing engagement, and offer the described first sealing space and second of several connection at this joint
Seal the inner via hole in space.
In above-mentioned heat abstractor, molding on externally-located major diameter hemispherical curved outer surface
There are several concavo-convex small sphere of exterior rearviews.
Present invention simultaneously provides a kind of LED lamp, it includes that above-mentioned many spherics heat conduction dissipates
Thermal, wherein, is provided with LED lamp bar on the outer surface of the recess of heat-conducting base,
The top open part of upper radiator is provided with lamp holder connector；Minor diameter half at upper radiator
An installing space is formed between sphere inner space and the upper surface of base cover, empty in this installation
Being provided with the LED power driver being connected with LED lamp bar between, wire passes heat-conducting base
Hollow channel and the central through hole of base cover connect LED power driver and LED lamp bar；
LED power driver is connected by wire with the lamp holder connector of top.
In above-mentioned LED lamp, described LED lamp bar is by welding or bonding or fluting clamping
Mode be connected with the outer surface of inverted trapezoidal recess.
The conduction of heat collection solid-liquid-gas conduction of heat integration of heat conducting and heat radiating device of the present invention, utilizes liquid
Gas phase becomes, liquid gas circulating technology and device are internally formed the runner of special tectonic, space
Characteristic, the speed making liquid-gas phase transition circulate is greatly improved, and then heat conduction efficiency is greatly improved；
Meanwhile, solid spreader surface design dimpling, the irregular surfaces of nick, make heat-delivery surface
Amass and be significantly increased, improve radiating efficiency；Furthermore, heat conducting and heat radiating device entirety uses novel
Heat radiation plastic shaping makes, and its production technology coordinates ultrasonic bonding to assemble with mould molding,
Therefore more simplifying in technique, production efficiency is high, and product quality is guaranteed, and cost is the most relatively
Low, more convenient with the assembling of light fixture use.
Accompanying drawing illustrates:
Fig. 1 is the sectional view of an embodiment of the present invention heat conducting and heat radiating device；
Fig. 2 is the upward view of upper radiator in Fig. 1 embodiment；
Fig. 3 is the sectional view of a kind of embodiment light fixture in the present invention.
Detailed description of the invention:
Below in conjunction with specific embodiments and the drawings, the present invention is further described.
As shown in Figure 1 and Figure 2, of the present invention is a kind of many spherics heat conducting and heat radiating device,
This heat conducting and heat radiating device includes being respectively adopted the heat radiation heat-conducting base 1 of plastic production molding, base
Lid 2 and upper radiator 3, wherein,
Form an inverted trapezoidal recess 11 (cross section is inverted trapezoidal) in the middle part of described heat-conducting base 1, lead
The periphery edge of hot base 1 is folded upward at being formed upper flange 12, and the end of inverted trapezoidal recess 11
Center, face is inwardly upper forms a hollow channel 13；Described base cover 2 is placed on heat-conducting base 1
Top, and upper flange 12 upper surface of heat-conducting base 1 is logical with the rim under surface of base cover 2
Crossing ultrasonic bonding sealing engagement, the center of base cover 2 is offered and is communicated with hollow channel 13
Central through hole 21, and the upper surface of the lower surface of central through hole 21 and hollow channel 13 also leads to
Crossing ultrasonic bonding sealing engagement, the upper and lower port of hollow channel 13 communicates with outside；Heat conduction
Base 1 is contactless state with other regions of base cover 2, i.e. at heat-conducting base 1 and the end
Between flap 2, the peripheral of hollow channel 13 form the first sealing space 100, and first
Seal in space 100 and be provided with a small amount of liquid refrigerant 4；First seals in space 100, base cover
Flat narrow passage 14 is formed between lower surface and the non-recess area of heat-conducting base 1 of 2；Heat conduction
The outer surface of the inverted trapezoidal recess 11 of base 1 is heat source-contacting surface；The work of hollow channel 13
With being that the wire making the LED lamp bar in the heat source-contacting surface of inverted trapezoidal recess 11 passes, with
Internal power supply driver and the lamp holder connector at top connect；
Described upper radiator 3 have two interval, in the hemispherical curved surface 31 being arranged concentrically,
The lower surface of two hemispherical curved surfaces 31 is connected as a single entity, and between two hemispherical curved surfaces 31
Form the second sealing space 300 in ball shape；The top of said two hemispherical curved surface 300
Opening-like, make the inner space of minor diameter hemispherical curved surface communicate with outside；Above-mentioned heat radiation
In device, externally-located major diameter hemispherical curved outer surface forms several concavo-convex
Small sphere of exterior rearview 311, can make its whole surface area increase by concavo-convex small sphere of exterior rearview 311, strengthens heat radiation
Effect.
The edge upper surface of base cover 2 passes through ultrasound wave with the lower surface of described upper radiator 3
Welded seal engages, and offers the described first sealing space 100 of several connection at this joint
With the second inner via hole 101 sealing space 300.
An installing space is formed between the bottom and the upper surface of base cover 2 of upper radiator 3
301, it is formed with upper radiator 3 space outerpace of connection in the top of described upper radiator 3 and is somebody's turn to do
The wire guide 302 of installing space 301, so can arrange power supply in this installing space 301
Driver or other desired electronic unit, at upper radiator 3 and base cover 2 ultrasound wave
Before welding, the wire of electronic unit is passed in advance by wire guide, by leading during follow-up use
Line accesses circuit.
In the present invention, liquid refrigerant 4 uses the liquid that boiling point is relatively low, utilizes its heat absorption evaporation
Vaporization quickly absorbs when producing phase transformation takes away amount of heat, makes heat source-contacting surface temperature be maintained at
Relatively low temperature.
When heat conducting and heat radiating device of the present invention uses, by LED, CPU or other heating works
Make to show consideration for the outer surface of the inverted trapezoidal recess 11 being attached to heat-conducting base 1, make heat directly conduct
To the inverted trapezoidal recess 11 of heat-conducting base 1, the liquid refrigerant 4 in inverted trapezoidal recess 11 absorbs heat
Rear evaporative phase-change, quickly takes away substantial amounts of heat, makes to keep relatively at inverted trapezoidal recess 11
Low temperature；Working substance steam is then sealed space by the inner via hole 101 of edge by first
100 the second sealing spaces 300 entering upper radiator 3, cold in second seals space 300
But, condensation, heat is absorbed by the hemispherical curved surface 31 of upper radiator 3 and outside heat loss through radiation,
The liquid refrigerant of condensation is from the second inwall sealing space 300 and through inner via hole 101 times
It flow in the first sealing space 100, and it is recessed to be back to inverted trapezoidal again along heat-conducting base 1 inwall
In portion 11.In this circulation, it is recessed in inverted trapezoidal that working substance steam is sealed space 100 by first
During the open area in portion 11 flows into flat narrow passage 14, utilize the spy of fluid, runner
Property define for the first time air-flow and accelerate, and the inner via hole at flat narrow passage 14 inflow edge
During 101, define second time air-flow and accelerate, so that vapor stream flows rapidly into
Second seals space 300, and this speed allowing for whole cyclic process is very rapid, and efficiency is very
Height, so quickly circulating phase-change heat conduction so that the heat conduction of product, heat dispersion are high,
The heat that can make heating working body scatters and disappears in time so that it is keep preferably operating temperature, extends
Product service life.
As it is shown on figure 3, present invention simultaneously provides a kind of LED lamp, it includes above-mentioned many
Spheric heat conducting and heat radiating device, wherein, in the appearance of the inverted trapezoidal recess 11 of heat-conducting base 1
Being provided with LED lamp bar 5 on face, the top open part at upper radiator 3 is provided with lamp holder even
Connecing device 6, lamp holder connector 6 can select as required, such as, can be screw type, it is possible to
To be other connected modes.Minor diameter hemisphere face inner space and base at upper radiator 3
Lid upper surface between form an installing space 301, be provided with in this installing space 301 with
The LED power driver 7 that LED lamp bar 5 connects, in LED power driver 7 is arranged in
Portion so that LED lamp overall structure is the compactest, outward appearance is more attractive neatly.Wire passes
The hollow channel 13 of heat-conducting base 1 and the central through hole 21 of base cover 2 connect LED power
Driver 7 and LED lamp bar 5；LED power driver 7 and the lamp holder connector 6 of top
Connect also through wire；The operation principle of its heat conduction and heat radiation is consistent with above-mentioned heat conducting and heat radiating device,
The most just repeat no more.
Described LED lamp bar 5 by welding bonding or fluting clamping by the way of recessed with inverted trapezoidal
The outer surface in portion 11 connects, and can make the LED lamp bar 5 of thermal source by any mode and fall
Trapezoidal recess 11 is installed and is connected；Inverted trapezoidal why is used to design to make LED
Light direction is the most controlled.It addition, also can install lamp in the periphery of heat conducting and heat radiating device
Cover (not shown), to realize proofing dust and protecting effect.
The conduction of heat collection solid-liquid-gas conduction of heat integration of heat conducting and heat radiating device of the present invention, utilizes liquid
Gas phase becomes, liquid gas circulating technology and device are internally formed the runner of special tectonic, space
Characteristic, the speed making liquid-gas phase transition circulate is greatly improved, and then heat conduction efficiency is greatly improved；
Meanwhile, solid spreader surface design dimpling, the irregular surfaces of nick, make heat-delivery surface
Amass and be significantly increased, improve radiating efficiency；Furthermore, heat conducting and heat radiating device entirety uses novel
Heat radiation plastic shaping makes, and its production technology coordinates ultrasonic bonding to assemble with mould molding,
Therefore more simplifying in technique, production efficiency is high, and product quality is guaranteed, and cost is the most relatively
Low, more convenient with the assembling of light fixture use.
Claims (4)
1. spheric heat conducting and heat radiating device more than a kind, it is characterised in that: this heat conducting and heat radiating device includes using heat radiation plastics to make the heat-conducting base of molding, base cover and upper radiator respectively, wherein:
Forming a recess in the middle part of described heat-conducting base, the periphery edge of heat-conducting base is folded upward at being formed upper flange, and the bottom center of recess inwardly upper formation one hollow channel；Described base cover is placed on the top of heat-conducting base, and the rim under surface of the upper flange upper surface of heat-conducting base and base cover is by ultrasonic bonding sealing engagement, the central through hole communicated with hollow channel is offered at the center of base cover, and the upper surface also sealing engagement of the lower surface of central through hole and hollow channel, the upper and lower port of hollow channel communicates with outside；Heat-conducting base is contactless state with other regions of base cover, i.e. between heat-conducting base and base cover, the peripheral first sealing space that formed of hollow channel, and is provided with a small amount of liquid refrigerant in the first sealing space；First seals in space, forms flat narrow passage between lower surface and the non-recess area of heat-conducting base of base cover；The outer surface of the recess of heat-conducting base is heat source-contacting surface；
Described upper radiator have two interval, in the hemispherical curved surface being arranged concentrically, the lower surface of two hemispherical curved surfaces is connected as a single entity, and formed between two hemispherical curved surfaces in ball shape second sealing space；The top of said two hemispherical curved surface is opening-like, makes the inner space of minor diameter hemispherical curved surface communicate with outside；
The edge upper surface of base cover passes through ultrasonic bonding sealing engagement with the lower surface of described upper radiator, and offers the described first sealing space of several connection and the second inner via hole sealing space at this joint.
Many spherics heat conducting and heat radiating device the most according to claim 1, it is characterised in that: form several concavo-convex small sphere of exterior rearviews on externally-located major diameter hemispherical curved outer surface.
3. a LED lamp, including the many spherics heat conducting and heat radiating device described in claim 1 or 2, it is characterised in that: being provided with LED lamp bar on the outer surface of the recess of heat-conducting base, the top open part at upper radiator is provided with lamp holder connector；An installing space is formed between minor diameter hemisphere face inner space and the upper surface of base cover of upper radiator, being provided with the LED power driver being connected with LED lamp bar in this installing space, wire connects LED power driver and LED lamp bar through the hollow channel of heat-conducting base and the central through hole of base cover；LED power driver is connected by wire with the lamp holder connector of top.
LED lamp the most according to claim 3, it is characterised in that: described LED lamp bar by welding bonding or fluting clamping by the way of be connected with the outer surface of inverted trapezoidal recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407641.8A CN106016202A (en) | 2016-06-08 | 2016-06-08 | Multi-spherical heat conduction and dissipation device and lamp comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407641.8A CN106016202A (en) | 2016-06-08 | 2016-06-08 | Multi-spherical heat conduction and dissipation device and lamp comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106016202A true CN106016202A (en) | 2016-10-12 |
Family
ID=57090217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610407641.8A Pending CN106016202A (en) | 2016-06-08 | 2016-06-08 | Multi-spherical heat conduction and dissipation device and lamp comprising same |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202312A (en) * | 2017-06-30 | 2017-09-26 | 禹州市瑞瓷轩灯饰照明有限公司 | A kind of pottery lamp lampshade heat abstractor |
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|---|---|---|---|---|
| CN102278730A (en) * | 2011-09-20 | 2011-12-14 | 柴宏力 | Heat dissipation method for high power light emitting diode (LED) lamp |
| CN202598189U (en) * | 2012-03-23 | 2012-12-12 | 大连工业大学 | Light emitting diode (LED) lighting equipment with radiator |
| CN103458648A (en) * | 2012-05-28 | 2013-12-18 | 欧司朗股份有限公司 | Heat-dissipating device, electronic device and lighting device both comprising heat-dissipating device |
| CN102235652B (en) * | 2010-05-06 | 2014-06-18 | 浙江思朗照明有限公司 | Air-cooled liquid-cooled combined radiating device |
| CN104896343A (en) * | 2015-06-17 | 2015-09-09 | 东莞市闻誉实业有限公司 | LED bulb |
| KR20160049497A (en) * | 2014-10-27 | 2016-05-09 | 한국생산기술연구원 | Heat radiation structure for led light device |
-
2016
- 2016-06-08 CN CN201610407641.8A patent/CN106016202A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235652B (en) * | 2010-05-06 | 2014-06-18 | 浙江思朗照明有限公司 | Air-cooled liquid-cooled combined radiating device |
| CN102278730A (en) * | 2011-09-20 | 2011-12-14 | 柴宏力 | Heat dissipation method for high power light emitting diode (LED) lamp |
| CN202598189U (en) * | 2012-03-23 | 2012-12-12 | 大连工业大学 | Light emitting diode (LED) lighting equipment with radiator |
| CN103458648A (en) * | 2012-05-28 | 2013-12-18 | 欧司朗股份有限公司 | Heat-dissipating device, electronic device and lighting device both comprising heat-dissipating device |
| KR20160049497A (en) * | 2014-10-27 | 2016-05-09 | 한국생산기술연구원 | Heat radiation structure for led light device |
| CN104896343A (en) * | 2015-06-17 | 2015-09-09 | 东莞市闻誉实业有限公司 | LED bulb |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202312A (en) * | 2017-06-30 | 2017-09-26 | 禹州市瑞瓷轩灯饰照明有限公司 | A kind of pottery lamp lampshade heat abstractor |
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Application publication date: 20161012 |
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