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.
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.