CN212132323U

CN212132323U - Heat radiator for car headlight

Info

Publication number: CN212132323U
Application number: CN202021285711.5U
Authority: CN
Inventors: 张辉
Original assignee: Tianjin Huashang Sitande Automotive Technology Co ltd
Current assignee: Tianjin Huashang Sitande Automotive Technology Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2020-12-11
Anticipated expiration: 2030-07-03

Abstract

The utility model provides a heat dissipation device of an automobile headlamp, which comprises a base, wherein a lamp is arranged at the upper end of the base, and the lower end of the base is connected and fixed with a heat conduction shaft; the heat conducting shaft is characterized in that two corresponding sides of the outer wall of the heat conducting shaft are respectively and vertically connected with a plurality of heat radiating plates, a refrigerating sheet is arranged between every two adjacent heat radiating plates, and one end of each refrigerating sheet is respectively and vertically arranged on the inner wall of the heat radiating box and is electrically connected with the heat radiating box through a driving device; the opening at the upper end of the heat dissipation box is sleeved and connected with the periphery of the chuck, two exhaust fans are arranged at the bottom end of the heat dissipation box, and the exhaust pipe is arranged on one side of the exhaust direction of the exhaust fans; the bottom end of the chuck is fixed with the base and fixed with the lamp sleeve fixed at the upper end of the base.

Description

Heat radiator for car headlight

Technical Field

The embodiment of the utility model provides a generally relate to automobile parts technical field to, more specifically, relate to a heat abstractor of car headlight.

Background

At present, with the progress of society and the development of economy, automobiles widely enter families, and automobile lamps are important components of the automobiles and have a general function in the aspects of vehicle running process and driving safety guarantee; the automobile headlamp widely used at present is a halogen lamp, the lamp can be consumed most in all electric appliances of an automobile, the power consumption of the automobile lamp is reduced on the premise of not influencing illumination, money is saved for an automobile owner, and energy conservation and emission reduction are realized for the environment; the innovation of the car lamp technology makes great contribution to the fields of environment, resources and the like. The lighting effect and the service life of the automobile headlamp are more and more emphasized; the LED has the hot points of energy conservation, small volume, long service life and the like, so the LED is more and more widely applied to the lighting source, and the LED automobile headlamp is used as an important lighting part of an automobile along with the development of the high-power LED technology; the existing automobile headlamps are halogen lamps, have high power consumption and no energy-saving and emission-reducing effects, generally have the phenomenon of poor heat dissipation effect, cannot realize integral heat dissipation, cannot keep good working environment of the automobile headlamps, and therefore the service lives of the automobile headlamps are not long, and the automobile headlamps are gradually eliminated by the market.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a heat dissipation device of an automobile headlamp.

The utility model discloses the technical scheme of implementation is: the heat dissipation device of the automobile headlamp comprises a base, wherein a lamp is arranged at the upper end of the base, and the lower end of the base is fixedly connected with a heat conduction shaft.

The heat dissipation box is characterized in that a plurality of heating panels are respectively and vertically connected to two corresponding sides of the outer wall of the heat conduction shaft, two adjacent heating panels are respectively and vertically provided with a refrigeration piece and a plurality of refrigeration pieces, and one end of each refrigeration piece is respectively and vertically arranged on the inner wall of the heat dissipation box and is electrically connected with a driving device.

Furthermore, the upper end opening part of the heat dissipation box is connected with the periphery of the chuck in a sleeved mode, two exhaust fans are arranged at the bottom end of the heat dissipation box, and the exhaust pipe is arranged on one side of the exhaust direction of each exhaust fan.

Furthermore, the bottom end of the chuck is fixed with the base and is fixedly sleeved with the lamp fixed at the upper end of the base.

Further, a layer of high heat conduction material is coated between the heat conduction shaft and the contact part of the base.

Furthermore, a circuit is arranged in the base and is mainly connected with the lamp.

Further, the temperature sensor is arranged at the position where the lamp is connected with the base, and the temperature sensor is connected with a control center of an instrument panel

Furthermore, the exhaust direction of the exhaust fan is far away from the heat dissipation box, and due to the pressure difference in the heat dissipation box, air enters through the air inlet and is exhausted from the exhaust pipe.

Furthermore, the chuck with the junction of heat dissipation case is provided with two air intakes, the air intake is followed heat dissipation case outside-in has set gradually dustproof layer, air bed and ventilative layer, the dustproof layer mainly filters the material debris that influences the normal work of car headlight in the air set up a plurality of bleeder vent on the ventilative layer, all is provided with waterproof ventilated membrane on its every bleeder vent, prevents that moist air from getting into the life that influences car headlight.

The embodiment of the utility model provides an among the heat abstractor of car headlight, realized following technological effect: through the double-deck heat dissipation design of exhaust fan and refrigeration piece in the radiator box, realize the whole heat dissipation of lamp, increase temperature sensor and to the real-time supervision of temperature, be convenient for remind people when the high temperature, people can in time make corresponding processing, not only guarantee the good operational environment of car headlight, prolong car headlight's life, satisfy the market ization demand, market prospect is considerable.

It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.

Drawings

The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:

FIG. 1 is a schematic sectional view of a heat dissipating device for a head lamp of an automobile;

FIG. 2 is a schematic bottom view of a heat dissipation device for a headlamp of an automobile;

FIG. 3 is a partial view of a heat sink plate of a heat sink device for a headlamp;

fig. 4 is a schematic partial view of a gas-permeable layer of a heat sink for a headlight of a motor vehicle.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

10. the lamp 20, the base 30, the heat conducting shaft 31, the heat radiating plate 40, the heat radiating box 41, the refrigerating sheet 42, the air inlet 43, the exhaust fan 44, the dust-proof layer 45, the air-permeable layer 46, the waterproof air-permeable film 50, the exhaust pipe 60, the temperature sensor 70 and the clamping ring.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The heat dissipation device for an automobile headlamp provided by the embodiment of the present invention is described below with reference to fig. 1, which includes a base 20, a lamp 10 is disposed on the upper end of the base 20, and the lower end of the base is fixedly connected to a heat conducting shaft 30.

The both sides that correspond on the heat conduction shaft 30 outer wall are connected a plurality of heating panel 31 respectively perpendicularly, adjacent two be provided with a refrigeration piece 41 between the heating panel 31, a plurality of the one end of refrigeration piece 41 is located respectively perpendicularly the inner wall of heat dissipation case 40, through drive arrangement electric connection.

In some embodiments, the opening of the upper end of the heat dissipation box 40 is sleeved and connected with the periphery of the chuck 70, as shown in fig. 2, two exhaust fans 50 are disposed at the bottom end thereof, and the exhaust pipe 50 is disposed at one side of the exhaust direction of the exhaust fans 50.

In some embodiments, the bottom end of the chuck 70 is fixed to the base 20, and is sleeved and fixed with the lamp 10 fixed to the upper end of the base 20.

In some embodiments, a layer of highly thermally conductive material is applied between the thermally conductive shaft 30 and the contact portion of the base 20.

In some embodiments, the base 20 is provided with circuitry therein, primarily for connecting the light fixture.

In some embodiments, the temperature sensor 60 is disposed at a position where the lamp 10 and the base 20 are connected, and the temperature sensor 60 is connected to a control center of an instrument panel.

In some embodiments, two air inlets 42 are disposed at a connection portion of the chuck 70 and the heat dissipation box 40, the air inlets 42 are sequentially disposed with a dust-proof layer 44, an air layer and a ventilation layer 45 from outside to inside along the heat dissipation box 40, the dust-proof layer 44 mainly filters impurities in air that affect normal operation of the automotive headlamp, as shown in fig. 1, a plurality of air holes are disposed on the ventilation layer 45, and each air hole is provided with a waterproof ventilation film 46 to prevent moist air from entering and affecting the service life of the automotive headlamp.

In some embodiments, the exhaust direction of the exhaust fan 43 is a direction away from the heat dissipation box 40, and due to the pressure difference inside the heat dissipation box 40, the air will enter through the air inlet 42 and then be exhausted from the exhaust duct.

In some embodiments, as shown in fig. 3, the heat dissipation plate 31 is made of an aluminum material with high thermal conductivity, and a plurality of ventilation holes are formed in the heat dissipation plate 31.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A heat dissipating device for an automotive headlamp, comprising:

the upper end of the base is provided with a lamp, and the lower end of the base is fixedly connected with the heat conducting shaft;

the two corresponding sides of the outer wall of the heat conduction shaft are respectively and vertically connected with a plurality of heat dissipation plates, and a refrigerating sheet is arranged between every two adjacent heat dissipation plates;

the upper end of the heat dissipation box is provided with a plurality of air inlets, and the bottom end of the heat dissipation box is provided with a plurality of exhaust fans.

2. The heat dissipating device for the headlights of claim 1, wherein one end of the cooling fins is vertically disposed on the inner wall of the heat dissipating box.

3. The heat dissipating device for the headlights of claim 1, wherein the opening of the upper end of the heat dissipating box is connected to the outer circumference of the chuck.

4. The heat dissipating device of claim 3, wherein the bottom end of the chuck is fixed to the base and fixed to the lamp sleeve fixed to the upper end of the base.

5. The heat dissipating device for an automobile headlamp according to claim 1, wherein a layer of a highly heat conductive material is coated between the heat conductive shaft and the contact portion of the base.

6. The heat dissipating device for headlamps of an automobile as claimed in claim 1, characterized in that it comprises a temperature sensor, said temperature sensor is disposed at the location where the lamp is connected to the base, said temperature sensor is connected to the control center of the instrument panel.

7. The heat dissipating device for an automobile headlamp as claimed in claim 1, wherein the air inlet is provided with a dust-proof layer, an air layer and a ventilation layer in sequence from outside to inside along the heat dissipating box.

8. The heat dissipating device for an automobile headlamp according to claim 7, wherein the air permeable layer has a plurality of air permeable holes, and each air permeable hole has a waterproof air permeable film.

9. The heat dissipating device for an automobile headlamp as defined in claim 1, wherein the heat dissipating plate is made of an aluminum material having a high thermal conductivity, and the heat dissipating plate is provided with a plurality of ventilation holes.