CN115013781A - LED car light radiator - Google Patents
LED car light radiator Download PDFInfo
- Publication number
- CN115013781A CN115013781A CN202210632188.6A CN202210632188A CN115013781A CN 115013781 A CN115013781 A CN 115013781A CN 202210632188 A CN202210632188 A CN 202210632188A CN 115013781 A CN115013781 A CN 115013781A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- plate
- cover plate
- led
- radiating
- Prior art date
- 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.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 238000009736 wetting Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 9
- 238000012546 transfer Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002048 multi walled nanotube Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
-
- 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
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides an LED car lamp radiator which comprises a bottom plate, a novel working medium, a cover plate and a first radiating fin group, wherein the bottom plate is of a rectangular plate-shaped structure, a flow channel for containing the novel working medium is arranged at the top of the bottom plate, the first radiating fin group is arranged on the bottom surface of the bottom plate, and the cover plate is arranged at the top of the bottom plate and is movably connected with the bottom plate. The LED automobile headlamp chip solves the problem of high heat productivity of the LED automobile headlamp chip, has the advantages of simple structure, compact structure size, stable performance, high heat exchange efficiency and strong universality, and also accelerates heat dissipation and reduces thermal resistance.
Description
Technical Field
The invention mainly relates to the technical field of automobile articles, in particular to a radiator of an LED automobile lamp.
Background
With the rapid development of automobile electronics and intellectualization, various parts of automobiles are continuously evolving, wherein the automobile lamp integrates three functions of appearance-safety-electronics, and is one of the most intuitive automobile core parts for consumers to feel. When the LED car light works, most energy can be converted into heat energy, if the heat can not be discharged in time, light drift can be caused, the luminous efficiency is reduced, fluorescent powder epoxy resin is accelerated and accelerated, and the service life is shortened. How to improve the heat dispersion is the core problem of the LED car lamp.
The existing four heat dissipation methods of a commonly used heat dissipation copper strip, active heat dissipation, traditional heat pipe heat conduction and uniform temperature plate heat conduction have obvious defects, the heat dissipation copper strip needs to damage the structure of the car lamp, the active heat dissipation brings extra power consumption, the traditional heat pipe has limited heat conduction capability, the uniform temperature plate is expensive, and the heat dissipation performance cannot be improved.
Disclosure of Invention
The invention provides a radiator of an LED car lamp, aiming at overcoming the defects in the prior art.
The technical scheme for solving the technical problems is as follows: an LED car lamp radiator comprises a bottom plate, a novel working medium, a cover plate and a first radiating fin group,
the bottom plate is of a rectangular plate-shaped structure, a flow channel for containing the novel working medium is arranged at the top of the bottom plate, the first radiating fin group is arranged on the bottom surface of the bottom plate, and the cover plate is arranged at the top of the bottom plate and movably connected with the bottom plate.
The invention has the beneficial effects that: through bottom plate, novel working medium, apron and first radiating fin group, solved the difficult problem of LED automotive headlamp chip high calorific capacity, and simple structure, structural dimension are compact, stable performance, heat transfer are high-efficient and the universality is strong, simultaneously, has still accelerated the heat dissipation, has reduced the thermal resistance.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the runner is of a circuitous channel structure, two side walls of the runner are inwards sunken, the caliber of the runner is gradually reduced from top to bottom, and the lower end of the runner is of a downwards sunken arc surface shape.
The beneficial effect of adopting the above further scheme is: the structure of the flow channel is beneficial to the backflow of the working medium, the heat transfer performance of the pulsating heat pipe is improved, and the heat dissipation function of the pulsating heat pipe is maximized.
Further, the first heat dissipation fin group comprises a plurality of first heat dissipation fins, the plurality of first heat dissipation fins are horizontally arranged at the bottom of the base plate and are distributed at equal intervals, and one ends of the first heat dissipation fins are rectangular, and the other ends of the first heat dissipation fins are in a trapezoidal plate-shaped structure.
The beneficial effect of adopting the further scheme is that: the heat dissipation effect is enhanced through the plurality of first heat dissipation fins, the heat radiator can not have thermal contact resistance any more, and the total thermal resistance is reduced.
Furthermore, sliding grooves are formed in two sides of the top of the bottom plate, buckling parts matched with the sliding grooves are arranged on two sides of the bottom of the cover plate, and the bottom plate is buckled with the buckling parts through the sliding grooves and is movably connected with the cover plate.
The beneficial effect of adopting the above further scheme is: the cost can be saved through spout and lock part, the performance has been improved, can be more nimble be connected and dismantle bottom plate and apron, convenient maintenance.
Furthermore, the sliding groove is of a cross structure with the bottom recessed downwards, and the width in the horizontal direction is smaller than that in the vertical direction.
The beneficial effect of adopting the further scheme is that: the bottom plate and the cover plate can be firmly fixed together.
Further, LED car light radiator still includes the light board standing groove that is used for placing LED light board, light board standing groove is embedded respectively the top of apron and the bottom of bottom plate.
The beneficial effect of adopting the further scheme is that: the mounting position is reserved for the LED light plate, the use of the radiator is facilitated, the contact area is increased, and the radiating effect can be optimal.
Further, the LED car lamp radiator further comprises a second radiating fin group for radiating, the second radiating fin group comprises a plurality of second radiating fins, the second radiating fins are horizontally arranged at the top of the cover plate and distributed at equal intervals, one end of each second radiating fin is rectangular, and the other end of each second radiating fin is of a trapezoidal plate-shaped structure.
The beneficial effect of adopting the above further scheme is: further enhancing the heat dissipation effect and reducing the total thermal resistance.
Furthermore, the first radiating fins extend towards one end of the bottom plate, and the second radiating fins extend towards one end of the top of the cover plate to form a fan placing groove for placing a radiating fan.
The beneficial effect of adopting the further scheme is that: the mounting position is reserved for the fan, the use of the radiator is facilitated, the radiating area is increased, and the radiating effect can be optimal.
Furthermore, the novel working medium is self-wetting carbon nanofluid.
The beneficial effect of adopting the above further scheme is: the advantages of the carbon nanofluid and the self-wetting fluid are integrated, the working range is wide, the heat transfer limit is high, and the performance of the pulsating heat pipe is improved.
Further, the sliding groove extends towards one end of the bottom plate, and the buckling component extends towards one end of the top of the cover plate.
The beneficial effect of adopting the further scheme is that: the bottom plate and the cover plate can be connected and detached more flexibly, and the radiator is convenient to maintain.
Drawings
Fig. 1 is a first overall structural diagram of an LED vehicle lamp heat sink according to an embodiment of the present invention;
fig. 2 is a second overall structural diagram of an LED vehicle lamp heat sink according to an embodiment of the present invention;
FIG. 3 is a bottom view of a cover plate according to one embodiment of the present invention;
FIG. 4 is a side view of a cover plate provided in accordance with an embodiment of the present invention;
FIG. 5 is a top view of a cover plate according to an embodiment of the present invention;
FIG. 6 is a front view of a cover plate provided in accordance with an embodiment of the present invention;
FIG. 7 is a top view of a base plate provided in accordance with an embodiment of the present invention;
FIG. 8 is a side view of a base plate provided in accordance with one embodiment of the present invention;
FIG. 9 is a first front view of a base plate provided in accordance with an embodiment of the present invention;
FIG. 10 is a second front view of the base plate according to one embodiment of the present invention;
FIG. 11 is a bottom view of a base plate according to one embodiment of the present invention;
FIG. 12 is a cross-sectional view of a fastening component and a cover plate according to an embodiment of the invention;
fig. 13 is a cross-sectional view of a chute and a base plate according to an embodiment of the invention;
fig. 14 is a cross-sectional view of a flow channel and a bottom plate according to an embodiment of the invention.
In the drawings, the names of the components represented by the respective symbols are as follows:
1. the bottom plate, 2, novel working medium, 3, apron, 4, runner, 5, first radiating fin, 6, spout, 7, lock part, 8, light board standing groove, 9, second radiating fin.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1:
as shown in fig. 1 to 11, an LED car light radiator comprises a base plate 1, a novel working medium 2, a cover plate 3 and a first radiating fin group,
the base plate 1 is a rectangular plate-shaped structure, a flow channel 4 for containing the novel working medium 2 is arranged at the top of the base plate 1, the first radiating fin group is arranged on the bottom surface of the base plate 1, and the cover plate 3 is arranged at the top of the base plate 1 and movably connected with the base plate 1.
It should be understood that the principle of the flat pulsating heat pipe is applied to the radiator of the LED car light, and the pulsating heat pipe is an extension of the conventional heat pipe technology, has the characteristics of simple structure, compact structure and size, stable performance, high heat exchange efficiency, strong universality and the like, and is an important development direction for solving the problem of heat dissipation of the LED car light.
Specifically, through apron 3 with 1 lock of bottom plate, and through in the runner 4 novel working medium 2 and first radiating fin group dispels the heat in the lump, solved the difficult problem of LED vehicle headlamps chip high calorific capacity, and simple structure, compact structure size, stable performance, heat transfer are high-efficient and the universality is strong, simultaneously, has still accelerateed the heat dissipation, has reduced the thermal resistance.
It should be understood that the invention uses the integrated design strategy of the flat pulsating heat pipe and the fins, so that the contact thermal resistance does not exist any more, and the total thermal resistance is reduced.
In the above embodiment, through the bottom plate, the novel working medium, the cover plate and the first radiating fin group, the problem of high heat productivity of the LED automobile headlamp chip is solved, and the LED automobile headlamp chip has the advantages of simple structure, compact structure size, stable performance, high heat exchange efficiency and strong universality, and meanwhile, the heat dissipation is accelerated, and the thermal resistance is reduced.
Example 2:
as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 14, an LED vehicle lamp heat sink comprises a bottom plate 1, a novel working medium 2, a cover plate 3 and a first heat dissipation fin group,
the bottom plate 1 is of a rectangular plate-shaped structure, a flow channel 4 for containing the novel working medium 2 is arranged at the top of the bottom plate 1, the first radiating fin group is arranged on the bottom surface of the bottom plate 1, and the cover plate 3 is arranged at the top of the bottom plate 1 and is movably connected with the bottom plate 1;
the flow channel 4 is a circuitous channel structure, two side walls of the flow channel 4 are inwards recessed, the caliber of the flow channel is gradually reduced from top to bottom, and the lower end of the flow channel 4 is in the shape of a downwards recessed arc surface.
It should be understood that the novel flow channel design (i.e. the flow channel 4) is adopted, so that the backflow of the working medium is facilitated, and the heat transfer performance of the pulsating heat pipe is improved.
In the above embodiment, the structure of the flow channel is beneficial to the backflow of the working medium, the heat transfer performance of the pulsating heat pipe is improved, and the heat dissipation function of the pulsating heat pipe is maximized.
Example 3:
as shown in fig. 1 to 11, an LED car light radiator comprises a base plate 1, a novel working medium 2, a cover plate 3 and a first radiating fin group,
the bottom plate 1 is of a rectangular plate-shaped structure, a flow channel 4 for containing the novel working medium 2 is arranged at the top of the bottom plate 1, the first radiating fin group is arranged on the bottom surface of the bottom plate 1, and the cover plate 3 is arranged at the top of the bottom plate 1 and is movably connected with the bottom plate 1;
the first radiating fin group comprises a plurality of first radiating fins 5, the first radiating fins 5 are horizontally arranged at the bottom of the base plate 1, the first radiating fins 5 are distributed at equal distances, one end of each first radiating fin 5 is rectangular, and the other end of each first radiating fin 5 is of a trapezoidal plate-shaped structure.
Preferably, the number of the first heat dissipation fins 5 may be 9.
It should be understood that by adopting the design strategy of integrating the flat pulsating heat pipe and the fins, the contact thermal resistance is no longer existed, and the total thermal resistance is reduced.
In the embodiment, the heat dissipation effect is enhanced through the plurality of first heat dissipation fins, so that the heat radiator has no contact thermal resistance any more, and the total thermal resistance is reduced.
Example 4:
as shown in fig. 1 to 14, an LED car light radiator comprises a base plate 1, a novel working medium 2, a cover plate 3 and a first radiating fin group,
the bottom plate 1 is of a rectangular plate-shaped structure, a flow channel 4 for containing the novel working medium 2 is arranged at the top of the bottom plate 1, the first radiating fin group is arranged on the bottom surface of the bottom plate 1, and the cover plate 3 is arranged at the top of the bottom plate 1 and is movably connected with the bottom plate 1;
the flow channel 4 is of a circuitous channel structure, two side walls of the flow channel 4 are inwards recessed, the caliber of the flow channel is gradually reduced from top to bottom, and the lower end of the flow channel 4 is of a downwardly recessed arc surface shape;
the top both sides of bottom plate 1 are equipped with spout 6, the bottom both sides of apron 3 all be equipped with spout 6 assorted lock part 7, bottom plate 1 pass through spout 6 with lock part 7 lock, thereby with apron 3 swing joint.
It should be appreciated that the novel snap-fit design is employed, saving cost and improving performance.
In the above embodiment, can save the cost through spout and lock part, improve the performance, can be more nimble be connected and dismantle convenient maintenance bottom plate and apron.
Example 5:
as shown in fig. 1 to 14, an LED car light radiator comprises a base plate 1, a novel working medium 2, a cover plate 3 and a first radiating fin group,
the bottom plate 1 is of a rectangular plate-shaped structure, a flow channel 4 for containing the novel working medium 2 is arranged at the top of the bottom plate 1, the first radiating fin group is arranged on the bottom surface of the bottom plate 1, and the cover plate 3 is arranged at the top of the bottom plate 1 and is movably connected with the bottom plate 1;
the flow channel 4 is a circuitous channel structure, two side walls of the flow channel 4 are inwards recessed, the caliber of the flow channel 4 is gradually reduced from top to bottom, and the lower end of the flow channel 4 is in a downwardly recessed arc surface shape;
the two sides of the top of the bottom plate 1 are provided with sliding chutes 6, the two sides of the bottom of the cover plate 3 are provided with buckling parts 7 matched with the sliding chutes 6, and the bottom plate 1 is buckled with the buckling parts 7 through the sliding chutes 6 so as to be movably connected with the cover plate 3;
the sliding groove 6 is of a cross structure with the bottom recessed downwards, and the width in the horizontal direction is smaller than that in the vertical direction.
It should be understood that the sliding groove 6 is a cross structure with a downward concave bottom, which facilitates the connection and the disconnection of the bottom plate 1 and the cover plate 3.
In the above embodiment, the base plate and the cover plate can be firmly fixed together.
Example 6:
as shown in fig. 1 to 11, an LED car light radiator comprises a base plate 1, a novel working medium 2, a cover plate 3 and a first radiating fin group,
the bottom plate 1 is of a rectangular plate-shaped structure, a flow channel 4 for containing the novel working medium 2 is arranged at the top of the bottom plate 1, the first radiating fin group is arranged on the bottom surface of the bottom plate 1, and the cover plate 3 is arranged at the top of the bottom plate 1 and is movably connected with the bottom plate 1;
the LED car lamp radiator further comprises a light plate placing groove 8 for placing an LED light plate, and the light plate placing groove 8 is embedded in the top of the cover plate 3 and the bottom of the bottom plate 1 respectively.
It should understand, novel working medium 2 has reserved the mounted position for LED car light lamp plate, has made things convenient for the use of radiator.
In the embodiment, the mounting position is reserved for the LED light plate, the radiator is convenient to use, the contact area is increased, and the radiating effect can be optimal.
Example 7:
as shown in fig. 1 to 11, an LED car light radiator comprises a base plate 1, a novel working medium 2, a cover plate 3 and a first radiating fin group,
the bottom plate 1 is of a rectangular plate-shaped structure, a flow channel 4 for containing the novel working medium 2 is arranged at the top of the bottom plate 1, the first radiating fin group is arranged on the bottom surface of the bottom plate 1, and the cover plate 3 is arranged at the top of the bottom plate 1 and is movably connected with the bottom plate 1;
the first radiating fin group comprises a plurality of first radiating fins 5, the plurality of first radiating fins 5 are horizontally arranged at the bottom of the base plate 1, the plurality of first radiating fins 5 are distributed at equal distances, and each first radiating fin 5 is of a plate-shaped structure with one rectangular end and the other trapezoidal end;
the LED car lamp radiator further comprises a second radiating fin group used for radiating, the second radiating fin group comprises a plurality of second radiating fins 9, the second radiating fins 9 are horizontally arranged at the top of the cover plate 3, the second radiating fins 9 are distributed at equal distances among the second radiating fins 9, the second radiating fins 9 are rectangular in one end, and the other end of each second radiating fin is of a trapezoidal plate-shaped structure.
Preferably, the number of the second heat dissipating fins 9 may be 9.
In the embodiment, the heat dissipation effect is further enhanced, and the total thermal resistance is reduced.
Example 8:
as shown in fig. 1 to 11, an LED car light radiator comprises a base plate 1, a novel working medium 2, a cover plate 3 and a first radiating fin group,
the bottom plate 1 is of a rectangular plate-shaped structure, a flow channel 4 for containing the novel working medium 2 is arranged at the top of the bottom plate 1, the first radiating fin group is arranged on the bottom surface of the bottom plate 1, and the cover plate 3 is arranged at the top of the bottom plate 1 and is movably connected with the bottom plate 1;
the first radiating fin group comprises a plurality of first radiating fins 5, the plurality of first radiating fins 5 are horizontally arranged at the bottom of the base plate 1, the plurality of first radiating fins 5 are distributed at equal distances, and each first radiating fin 5 is of a plate-shaped structure with one rectangular end and the other trapezoidal end;
the LED car lamp radiator further comprises a second radiating fin group for radiating heat, the second radiating fin group comprises a plurality of second radiating fins 9, the second radiating fins 9 are horizontally arranged at the top of the cover plate 3, the second radiating fins 9 are distributed at equal distances, one end of each second radiating fin 9 is rectangular, and the other end of each second radiating fin 9 is of a trapezoidal plate-shaped structure;
the first heat radiating fins 5 extend towards one end of the bottom of the base plate 1, and the second heat radiating fins 9 extend towards one end of the top of the cover plate 3 to form a fan placing groove for placing a heat radiating fan.
It should be understood that the novel working medium 2 reserves a mounting position for the fan, and facilitates the use of the radiator.
In the embodiment, the mounting position is reserved for the fan, the use of the radiator is facilitated, the radiating area is increased, and the radiating effect can be optimal.
Example 9:
as shown in fig. 1 to 11, an LED car light radiator comprises a base plate 1, a novel working medium 2, a cover plate 3 and a first radiating fin group,
the bottom plate 1 is of a rectangular plate-shaped structure, a flow channel 4 for containing the novel working medium 2 is arranged at the top of the bottom plate 1, the first radiating fin group is arranged on the bottom surface of the bottom plate 1, and the cover plate 3 is arranged at the top of the bottom plate 1 and is movably connected with the bottom plate 1;
the novel working medium 2 is self-wetting carbon nanofluid.
It should be understood that the self-wetting carbon nanofluid is a mixed solution of an n-butanol aqueous solution and a graphitized carboxyl MWCNTs dispersion.
It should be understood that the novel working fluid 2 employs a self-wetting carbon nanofluid. The operation of the pulsating heat pipe is based on the phase change of the working medium. Therefore, selecting an excellent functional liquid as the working medium is the most direct method for improving the performance of the pulsating heat pipe. The self-wetting carbon nanofluid integrates the advantages of the carbon nanofluid and the self-wetting fluid, has a wide working range and a high heat transfer limit, and is beneficial to improving the performance of the pulsating heat pipe.
In the embodiment, the advantages of the carbon nanofluid and the self-wetting fluid are integrated, the working range is wide, the heat transfer limit is high, and the performance of the pulsating heat pipe is improved.
Example 10:
as shown in fig. 1 to 14, an LED car light radiator comprises a base plate 1, a novel working medium 2, a cover plate 3 and a first radiating fin group,
the bottom plate 1 is of a rectangular plate-shaped structure, a flow channel 4 for containing the novel working medium 2 is arranged at the top of the bottom plate 1, the first radiating fin group is arranged on the bottom surface of the bottom plate 1, and the cover plate 3 is arranged at the top of the bottom plate 1 and is movably connected with the bottom plate 1;
the flow channel 4 is of a circuitous channel structure, two side walls of the flow channel 4 are inwards recessed, the caliber of the flow channel is gradually reduced from top to bottom, and the lower end of the flow channel 4 is of a downwardly recessed arc surface shape;
the two sides of the top of the bottom plate 1 are provided with sliding chutes 6, the two sides of the bottom of the cover plate 3 are provided with buckling parts 7 matched with the sliding chutes 6, and the bottom plate 1 is buckled with the buckling parts 7 through the sliding chutes 6 so as to be movably connected with the cover plate 3;
the sliding groove 6 extends towards one end of the bottom plate 1, and the buckling component 7 extends towards one end of the top of the cover plate 3.
In the above embodiment, can be more nimble be connected and dismantle bottom plate and apron, made things convenient for the maintenance to the radiator.
Example 11:
as shown in fig. 1 to 11, the invention adopts a combined heat dissipation mode of the flat pulsating heat pipe, the fins and the fan, so that the heat dissipation effect is enhanced, and the pulsating heat pipe heat dissipation technology is provided for heat dissipation of the LED car lamp, so as to accelerate heat dissipation and reduce thermal resistance, aiming at the problem of high heat productivity of the LED car headlamp chip.
The use method of the LED automobile headlamp chip comprises the steps that the cover plate 3 is buckled with the bottom plate 1, and heat dissipation is carried out through the novel working medium 2 in the flow channel 4 and the first heat dissipation fin group, so that the problem of high heat productivity of the LED automobile headlamp chip is solved, the LED automobile headlamp chip is simple in structure, compact in structure size, stable in performance, high in heat exchange efficiency and strong in universality, heat dissipation is accelerated, and thermal resistance is reduced.
The LED automobile headlamp chip has the advantages that the problem of high heat productivity of the LED automobile headlamp chip is solved, the structure is simple, the structure size is compact, the performance is stable, the heat exchange efficiency is high, the universality is strong, meanwhile, the heat dissipation is accelerated, and the thermal resistance is reduced.
The foregoing embodiments are intended to illustrate that the invention may be implemented or used by those skilled in the art, and modifications to the above embodiments will be apparent to those skilled in the art, and therefore the invention includes, but is not limited to, the above embodiments, any methods, processes, products, etc., consistent with the principles and novel and inventive features disclosed herein, and fall within the scope of the invention.
Claims (10)
1. An LED car lamp radiator is characterized by comprising a bottom plate (1), a novel working medium (2), a cover plate (3) and a first radiating fin group,
the novel working medium cooling structure is characterized in that the bottom plate (1) is of a rectangular plate-shaped structure, a flow channel (4) used for containing the novel working medium (2) is arranged at the top of the bottom plate (1), the first radiating fin group is arranged on the bottom surface of the bottom plate (1), and the cover plate (3) is arranged at the top of the bottom plate (1) and is movably connected with the bottom plate (1).
2. The LED car lamp radiator according to claim 1, wherein the flow channel (4) is a circuitous channel structure, two side walls of the flow channel (4) are recessed inwards, the caliber of the flow channel is gradually reduced from top to bottom, and the lower end of the flow channel (4) is in a downwardly recessed arc surface shape.
3. The LED car lamp radiator according to claim 1, characterized in that the first radiating fin group comprises a plurality of first radiating fins (5), the plurality of first radiating fins (5) are all horizontally arranged at the bottom of the bottom plate (1), the plurality of first radiating fins (5) are distributed at equal distances, and the first radiating fins (5) are in a plate-shaped structure with one end being rectangular and the other end being trapezoidal.
4. The LED car lamp radiator according to claim 1 or 2, wherein sliding grooves (6) are formed in two sides of the top of the bottom plate (1), buckling parts (7) matched with the sliding grooves (6) are formed in two sides of the bottom of the cover plate (3), and the bottom plate (1) is buckled with the buckling parts (7) through the sliding grooves (6) so as to be movably connected with the cover plate (3).
5. The LED lamp radiator according to claim 4, wherein the sliding groove (6) is a cross structure with a downward concave bottom, and the width in the horizontal direction is smaller than the width in the vertical direction.
6. The LED car lamp radiator according to claim 1, characterized in that the LED car lamp radiator further comprises a light plate placing groove (8) for placing an LED light plate, wherein the light plate placing groove (8) is embedded in the top of the cover plate (3) and the bottom of the bottom plate (1), respectively.
7. The LED car lamp radiator according to claim 3, further comprising a second radiating fin group for radiating heat, wherein the second radiating fin group comprises a plurality of second radiating fins (9), the plurality of second radiating fins (9) are horizontally arranged on the top of the cover plate (3), the plurality of second radiating fins (9) are distributed at equal distances, and the second radiating fins (9) are of a plate-shaped structure with one rectangular end and the other trapezoidal end.
8. The LED vehicle lamp radiator according to claim 7, wherein a plurality of the first heat dissipation fins (5) extend to one end of the bottom plate (1), and a plurality of the second heat dissipation fins (9) extend to one end of the top of the cover plate (3), so as to form a fan placement groove for placing a heat dissipation fan.
9. The LED vehicle lamp radiator according to claim 1, wherein the novel working medium (2) is a self-wetting carbon nanofluid.
10. The LED lamp radiator according to claim 4, wherein the sliding groove (6) extends to one end of the bottom plate (1), and the buckling component (7) extends to one end of the top of the cover plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632188.6A CN115013781A (en) | 2022-06-02 | 2022-06-02 | LED car light radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632188.6A CN115013781A (en) | 2022-06-02 | 2022-06-02 | LED car light radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115013781A true CN115013781A (en) | 2022-09-06 |
Family
ID=83072267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210632188.6A Pending CN115013781A (en) | 2022-06-02 | 2022-06-02 | LED car light radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115013781A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201437977U (en) * | 2009-07-31 | 2010-04-14 | 深圳市通普科技有限公司 | LED road lamp radiator |
| CN202392754U (en) * | 2011-12-21 | 2012-08-22 | 中山市世耀光电科技有限公司 | Structural section used for LED illumination streetlamp |
| CN205535477U (en) * | 2016-04-01 | 2016-08-31 | 潘殿波 | LED automobile lamp |
| KR20180097470A (en) * | 2018-06-12 | 2018-08-31 | 한국광기술원 | Heat sink structure for LED lighting device of transport equipment, and manufacturing method thereof |
| CN208186232U (en) * | 2018-04-18 | 2018-12-04 | 广州黎特电子科技有限公司 | A kind of heat pipe fin slices radiator and the LED automobile headlamp including it |
| CN112066340A (en) * | 2019-06-10 | 2020-12-11 | 常州星宇车灯股份有限公司 | Heat dissipation device for car lamp LED array module and control method thereof |
| CN112664863A (en) * | 2020-12-17 | 2021-04-16 | 苏州科医世凯半导体技术有限责任公司 | LED fishing lamp |
-
2022
- 2022-06-02 CN CN202210632188.6A patent/CN115013781A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201437977U (en) * | 2009-07-31 | 2010-04-14 | 深圳市通普科技有限公司 | LED road lamp radiator |
| CN202392754U (en) * | 2011-12-21 | 2012-08-22 | 中山市世耀光电科技有限公司 | Structural section used for LED illumination streetlamp |
| CN205535477U (en) * | 2016-04-01 | 2016-08-31 | 潘殿波 | LED automobile lamp |
| CN208186232U (en) * | 2018-04-18 | 2018-12-04 | 广州黎特电子科技有限公司 | A kind of heat pipe fin slices radiator and the LED automobile headlamp including it |
| KR20180097470A (en) * | 2018-06-12 | 2018-08-31 | 한국광기술원 | Heat sink structure for LED lighting device of transport equipment, and manufacturing method thereof |
| CN112066340A (en) * | 2019-06-10 | 2020-12-11 | 常州星宇车灯股份有限公司 | Heat dissipation device for car lamp LED array module and control method thereof |
| CN112664863A (en) * | 2020-12-17 | 2021-04-16 | 苏州科医世凯半导体技术有限责任公司 | LED fishing lamp |
Non-Patent Citations (3)
| Title |
|---|
| DURGA BASTAKOTIA等: "An overview on the developing trend of pulsating heat pipe and its performance", APPLIED THERMAL ENGINEERING, vol. 2018, no. 141, 31 May 2018 (2018-05-31), pages 305 - 332, XP085416407, DOI: 10.1016/j.applthermaleng.2018.05.121 * |
| VINCENT AYEL等: "Flat plate pulsating heat pipes: A review on the thermohydraulic principles, thermal performances and open issues", APPLIED THERMAL ENGINEERING JOURNAL HOMEPAGE: WWW.ELSEVIER.COM/LOCATE/APTHERMENG, vol. 2021, no. 197, 2 July 2021 (2021-07-02), pages 1 - 37 * |
| 刘苗伟等: "Visualization and heat transfer characteristics of MWCNTs water nanofluid in a pulsating heat pipe", VDE, vol. 2022, no. 1, 9 January 2022 (2022-01-09), pages 1 - 6 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201259193Y (en) | Heat radiator of high power LED street lamp | |
| CN101861079A (en) | Heat radiating device | |
| CN201145245Y (en) | LED cup lamp | |
| CN105650566A (en) | LED headlamp with heat dissipation structure | |
| CN100379038C (en) | Water-cooled LED heat sink | |
| CN115013781A (en) | LED car light radiator | |
| CN217790124U (en) | Vehicle-mounted host middle frame structure compatible with air cooling and water cooling and vehicle-mounted host thereof | |
| CN205504780U (en) | Car LED lamp of solid heat conduction | |
| CN209729889U (en) | Dust-proof radiating mould group | |
| CN209358426U (en) | Radiator structure and frequency converter for frequency converter | |
| CN209977927U (en) | Heat dissipation structure of automobile lamp | |
| CN215489516U (en) | Laser car light heat radiation structure | |
| CN219876656U (en) | Plug-in sheet radiator and electronic equipment | |
| CN220897051U (en) | Radiator and circuit board assembly composed of same | |
| CN214038245U (en) | Car lamp with good heat dissipation | |
| CN220453609U (en) | High-power integrated LED street lamp with heat radiation structure | |
| CN214890942U (en) | Heat-conducting plastic LED fog lamp radiator | |
| CN213686649U (en) | LED car lamp with double heat dissipation structures | |
| CN214206249U (en) | Aluminium section integrated bar radiator | |
| CN219938807U (en) | Air-expanding plate radiator | |
| CN218103964U (en) | Energy-adding station brand column convenient for heat dissipation | |
| CN221081614U (en) | Radiating device for realizing double-sided installation of PCB | |
| CN215898320U (en) | Double-side heat dissipation structure for rail transit vehicle | |
| CN214792129U (en) | Air-cooled radiator suitable for small refrigerator | |
| CN209558130U (en) | A kind of energy-saving LED bulkhead lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |