CN209146989U - A kind of LED headstock modulated structure that heat dissipation effect is excellent - Google Patents
A kind of LED headstock modulated structure that heat dissipation effect is excellent Download PDFInfo
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- CN209146989U CN209146989U CN201822255108.1U CN201822255108U CN209146989U CN 209146989 U CN209146989 U CN 209146989U CN 201822255108 U CN201822255108 U CN 201822255108U CN 209146989 U CN209146989 U CN 209146989U
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to technical field of LED illumination, disclose a kind of LED headstock modulated structure that heat dissipation effect is excellent, including first shell, first shell includes LED light source component cylindrical in shape and the reflector for being connected to LED light source component one end, reflector has the reflecting surface of parabolically curved surface, it is connected with second shell on the lateral wall of reflector, is equipped between second shell and reflector and forms the air duct in gap, is sealedly connected with translucent cover in the opposite side of LED light source component on reflector；The end of first shell is connected with phase-change heat cylinder and LED light source component, phase-change heat cylinder includes the outer cylinder of inner cylinder and sealing socket outer tube, closed cavity is formed between inner barrel and outer barrel, filling boiling structure and low-temperature boiling heat-transfer working medium in cavity, the outlet in air duct is close to phase-change heat cylinder.The utility model is radiated by phase change radiator structure, and cooperation air-flow improves the radiating rate of phase change radiator structure, is able to extend the service life of LED headlight.
Description
Technical field
The utility model relates to technical field of LED illumination, more particularly to a kind of LED headlight knot that heat dissipation effect is excellent
Structure.
Background technique
Currently, LED illumination product has been widely used for lighting of home and outdoor with the development of semiconductor illumination technique
Lighting area.The LED light of outdoor application mainly industrial and mineral workshop, warehouse, high pole street lamp, toll station, overhead advertising lamp,
It is used in the place of the needs such as street lamp illumination, has many advantages, such as that brightness of illumination is high, consume energy low, long service life.Lighting of home
There is the whole lighting of home developed based on LED light.Either lighting of home, or outdoor lighting area, it is existing
LED light is generally by LED light source and silica lens elements, lampshade, plume formula heat sink assembly, power drives and electrical box assembly etc.
Composition, with energy conservation and environmental protection superiority development.
Wherein, due to the energy conservation of LED light, low energy consumption characteristic, LED light is also widely used in Vehicle Industry.Existing LED
Headlight is typically designed as enclosed construction, enters in LED headlight to avoid dust and sundries.But this full-closed structure
In the substrate of LED lamp bead and connection LED lamp bead is enclosed in, prevent the heat that LED light issues in use is from being discharged in time,
The power of LED lamp is limited, or even the service life of LED light can be reduced because of poor heat radiation.
Utility model content
The purpose of the utility model is to provide a kind of LED vehicles that the heat dissipation effect using air-flow and phase-change heat component is excellent
Headlamp structure.
To achieve the goals above, the utility model provides a kind of LED headstock modulated structure that heat dissipation effect is excellent, including
One shell, the first shell include LED light source component cylindrical in shape and the reflection for being connected to described LED light source component one end
Cover, the reflector has the reflecting surface of parabolically curved surface, is connected with second shell on the lateral wall of the reflector, described
It is equipped between second shell and the reflector and forms the air duct in gap, in pair of the LED light source component on the reflector
Side seal is connected with translucent cover；
The end of the first shell is connected with phase-change heat cylinder and LED light source component, the phase-change heat cylinder packet
The outer cylinder of inner cylinder and sealing socket outer tube is included, forms closed cavity, the cavity between the inner cylinder and the outer cylinder
Under-filled boiling structure and low-temperature boiling heat-transfer working medium, the outlet in the air duct is close to the phase-change heat cylinder；
The LED light source component includes the LED driving assembly abutted with phase-change heat cylinder and is connected to LED driving assembly
On LED lamp bead, the LED light source component and the thermally conductive connection of phase-change heat cylinder, the LED lamp bead is set in described anti-
It penetrates in cover.
Preferably, the LED driving assembly is socketed in interior by the inner cylinder.
Preferably, dowel, the dowel and the second shell are connected on the lateral wall of the reflector
Body connection.
Preferably, connecting flange is equipped in the opposite side of the LED light source component on the reflector.
Preferably, the inner cylinder, outer cylinder are made of red copper.
Preferably, the low-temperature boiling heat-transfer working medium is pure water, methanol or ethyl alcohol.
The utility model provides a kind of LED headstock modulated structure that heat dissipation effect is excellent, including first shell and is connected to the
Reflector on one shell is connected with second shell on reflector, and air duct, first shell are equipped between second shell and reflector
End connect phase-change heat cylinder, phase-change heat cylinder by low-temperature boiling heat-transfer working medium to the heat on phase-change heat cylinder
It distributes.Meanwhile heat can be discharged in time by the air-flow in air duct in the heat absorption of LED light source component by phase-change heat cylinder
Amount radiates to LED headlight by air-flow and the mutual cooperation of phase-change heat cylinder, heat dissipation effect is improved, so that headstock
Modulated structure is able to use the higher LED light source component of power, also can be improved the service life of LED headlight.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the excellent LED headstock modulated structure of the heat dissipation effect in the utility model embodiment；
Fig. 2 is the schematic perspective view of the excellent LED headstock modulated structure of the heat dissipation effect in the utility model embodiment；
In figure, 10, first shell；20, LED light source component；30, reflector；31, translucent cover；32, dowel；40, second
Shell；41, air duct；50, radiating cylinder body；51, inner cylinder；52, outer cylinder；53, cavity.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1 and Figure 2, the excellent LED headstock modulated structure of a kind of heat dissipation effect of the preferred embodiment in the utility model,
It cooperates by air-flow and using the phase-change heat cylinder of phase-change material heat dissipation, provides better thermal diffusivity to LED headlight
Energy.
Based on the above-mentioned technical proposal, a kind of LED headstock modulated structure that heat dissipation effect is excellent, including are provided in the present embodiment
One shell 10, wherein the mounting hole for fixing first shell 10, this LED vehicle can be set on the lateral wall of first shell 10
Headlamp structure can be installed by first shell 10 and be fixed.
Specifically, first shell 10 includes LED light source component 20 cylindrical in shape and is connected to 20 one end of LED light source component
Reflector 30, LED light source component 20 are the working portions of this headlight.Reflector 30 has the reflecting surface of parabolically curved surface,
Reflecting surface reflects the light of LED light, projects headlight.
Specifically, second shell 40 is connected on the lateral wall of reflector 30, second shell 40 is carried out by reflector 30
Positioning is equipped with the air duct 41 for forming gap, in this headlight in use, can on vehicle between second shell 40 and reflector 30
With hot by 41 pairs of air duct this headlight blower fan using the air-flow in vehicle driving.Wherein, as shown in Figure 1, in air duct 41
Black line arrow indicates airflow direction, and the channel that air duct 41 passes through as air-flow can provide for the heat dissipation of this fitting structure
The space that air-flow passes through.Wherein, dowel body can be set between first shell 10 and second shell 40, to improve second shell
40 fixed stability.
Specifically, it is sealedly connected with translucent cover 31 in the opposite side of LED light source component 20 on reflector 30, passes through translucent cover 31
The light that reflector 30 reflects can be projected this fitting structure.
Specifically, the end of first shell 10 is connected with phase-change heat cylinder 50 and LED light source component 20, phase-change heat cylinder
Body 50 is the structure that this lamps and lanterns utilizes phase-change material heat dissipation, to improve the efficiency that lamps and lanterns radiate.
Specifically, outer cylinder 52 of the phase-change heat cylinder 50 including inner cylinder 51 and sealing socket outside cylinder 51,51 He of inner cylinder
Closed cavity 53, the under-filled boiling structure and low-temperature boiling heat-transfer working medium of cavity 53, air duct 41 are formed between outer cylinder 52
Outlet close to phase-change heat cylinder 50.Boiling structure uses copper powder sintered form, and copper powder is first put into shell inner cylinder and outer cylinder
Cavity 53 between 52 reserves the volume of 10% cavity 53, is sintered after putting well, seals again after sintering；Preferably, low temperature
Boiling heat transfer working medium is pure water, methanol or ethyl alcohol.Wherein, the lower part of cavity 53 is arranged in boiling structure, and low-temperature boiling passes
Hot working fluid is moved upwards after by thermal evaporation, is condensed.
The utility model during installation, phase-change heat cylinder 50 be it is laterally fixed, the principle of work is: LED light source
The heat of component 20 is transmitted on phase-change heat cylinder 50, and heat is reached on phase-change heat cylinder 50 by LED light source component 20,
Heat in phase-change heat cylinder 50 be transmitted to the low-temperature boiling heat-transfer working medium on the boiling structure in cavity 53, in cavity 53 by
Hot vapour imparts heat to the top of outer cylinder 52, and heat, which is discharged, by the air-flow in air duct 41 for phase-change heat cylinder 50 dissipates
Heat, the top inner surface of cavity 53 are porous structure, for cooling vaporization working medium at liquid, the low-temperature boiling heat-transfer working medium of liquid
The lower part of phase-change heat cylinder 50 is come back to by the hair suction of porous structure, to form circulation.
Specifically, the outside of phase-change heat cylinder 50, which can be set, is used to indicate label equipped with boiling structure and for referring to
Show that top inner surface is 53 part of cavity of porous structure, in order to accurately install this lamps and lanterns, so that in phase-change heat cylinder 50
The circulation of phase-change heat can be smoothly completed.
Specifically, LED light source component 20 includes the LED driving assembly abutted with phase-change heat cylinder 50 and is connected to LED
LED lamp bead on driving assembly, LED driving assembly are socketed in inner cylinder 51.At work, LED driving assembly and LED lamp bead hair
Heat out is conducted by inner cylinder 51 to phase-change heat cylinder 50, completes the conduction of heat, and pass through phase-change heat cylinder 50
Interior circulation completes heat dissipation.
Specifically, the centre of reflector 30 is arranged in LED lamp bead, the light that reflector 30 projects LED lamp bead
Line is projected.
Preferably, phase-change heat cylinder 50 and LED driving assembly are tightly connected, phase-change heat cylinder 50 and LED light source group
Part 20 is tightly connected, and phase-change heat cylinder 50 is sealed to LED driving assembly, to protect in circuit and reflector 30
LED lamp bead.Wherein, the connection of phase-change heat cylinder 50 and LED driving assembly can be set for passing through external power supply cable
Through-hole or connecting terminal for grafting external power supply, enable external power supply smoothly to power LED driving assembly.
Preferably, it is connected with dowel 32 on the lateral wall of reflector 30, is connect on dowel 32 with second shell 40, with
Improve the fixed stability of second shell 40.
Preferably, it is equipped with connecting flange in the opposite side of LED light source component 20 on reflector 30, it can be right by connecting flange
Reflector 30 is attached fixation.
Preferably, inner cylinder 51, outer cylinder 52 are made of red copper, to improve thermally conductive, heat dissipation performance.
To sum up, the utility model, will not be to vehicle by improving heat dissipation effect using the airflow radiating of vehicle under steam
The internal structure of head lamp pollutes.Meanwhile the heat in headlight can be radiated by phase-change heat cylinder and air-flow cooperation, be improved
Radiating efficiency, improves the limitation of LED headlight power, is also able to extend the service life of LED headlight lamps and lanterns.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (6)
1. a kind of LED headstock modulated structure that heat dissipation effect is excellent, which is characterized in that including first shell (10), the first shell
Body (10) includes LED light source component cylindrical in shape (20) and the reflector (30) for being connected to the LED light source component (20) one end,
The reflector (30) has the reflecting surface of parabolically curved surface, is connected with second shell on the lateral wall of the reflector (30)
(40), the air duct (41) for forming gap, the reflector are equipped between the second shell (40) and the reflector (30)
(30) translucent cover (31) are sealedly connected in the opposite side of the LED light source component (20) on；
The end of the first shell (10) is connected with phase-change heat cylinder (50) and LED light source component (20), and the phase transformation dissipates
Hot cylinder (50) outer cylinder (52) of cylinder (51) outside, the inner cylinder (51) and outer cylinder including inner cylinder (51) and sealing socket
(52) it is formed between closed cavity (53), the under-filled boiling structure and low-temperature boiling heat-transfer working medium of the cavity (53),
The outlet of the air duct (41) is close to the phase-change heat cylinder (50)；
The LED light source component (20) include the LED driving assembly abutted with phase-change heat cylinder (50) and be connected to LED driving
LED lamp bead on component, the LED light source component (20) and the thermally conductive connection of the phase-change heat cylinder (50), the LED lamp bead
It is set in the reflector (30).
2. the excellent LED headstock modulated structure of heat dissipation effect as described in claim 1, which is characterized in that the inner cylinder (51) will
In the LED driving assembly is socketed in.
3. the excellent LED headstock modulated structure of heat dissipation effect as claimed in claim 2, which is characterized in that the reflector (30)
Lateral wall on be connected with dowel (32), the dowel (32) connect with the second shell (40).
4. the excellent LED headstock modulated structure of heat dissipation effect as claimed in claim 3, which is characterized in that the reflector (30)
On the opposite side of the LED light source component (20) be equipped with connecting flange.
5. the excellent LED headstock modulated structure of heat dissipation effect as claimed in claim 4, which is characterized in that the inner cylinder (51), outer
Cylinder (52) is made of red copper.
6. the excellent LED headstock modulated structure of heat dissipation effect as claimed in claim 5, which is characterized in that the low-temperature boiling passes
Hot working fluid is pure water, methanol or ethyl alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822255108.1U CN209146989U (en) | 2018-12-29 | 2018-12-29 | A kind of LED headstock modulated structure that heat dissipation effect is excellent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822255108.1U CN209146989U (en) | 2018-12-29 | 2018-12-29 | A kind of LED headstock modulated structure that heat dissipation effect is excellent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209146989U true CN209146989U (en) | 2019-07-23 |
Family
ID=67291054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822255108.1U Expired - Fee Related CN209146989U (en) | 2018-12-29 | 2018-12-29 | A kind of LED headstock modulated structure that heat dissipation effect is excellent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209146989U (en) |
-
2018
- 2018-12-29 CN CN201822255108.1U patent/CN209146989U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20191229 |