CN208365428U

CN208365428U - A kind of LED lamp of automobile of easy heat radiation

Info

Publication number: CN208365428U
Application number: CN201821104972.5U
Authority: CN
Inventors: 董秋龙; 傅典
Original assignee: Guangzhou Runye Automotive Products Co Ltd
Current assignee: Guangzhou Runye Automotive Products Co Ltd
Priority date: 2018-07-12
Filing date: 2018-07-12
Publication date: 2019-01-11
Anticipated expiration: 2028-07-12

Abstract

The utility model discloses a kind of LED lamp of automobile of easy heat radiation, including lamp housing and lampshade, the lampshade connects to form chamber with lamp housing, and the interior of the chamber is equipped with LED mounting plate, and the LED mounting plate is equipped with LED light, the lower section of the LED mounting plate is equipped with heat sink, the lamp housing lower part is equipped with thermovent, and Air Filter is equipped in the heat release hole, and the lower section of the heat sink is equipped with heat-dissipating pipe, one end of the heat-dissipating pipe is contacted with heat sink, and the other end of the heat-dissipating pipe stretches to thermovent.The utility model structure is simple, good heat dissipation effect, and by the way that heat dissipation copper pipe is arranged between heat sink and lamp housing bottom, heat dissipation copper pipe can be conducted heat rapidly in heat release hole and be distributed, and effectively extend the service life of LED lamp of automobile.

Description

A kind of LED lamp of automobile of easy heat radiation

Technical field

The utility model relates to automotive lighting fields, more particularly to a kind of LED lamp of automobile of easy heat radiation.

Background technique

It is well known that with the development of the society, in the now very universal popular life for entering people of automobile, As a kind of transport facility, automobile needs to have the ability run in night or dark surrounds, so automobile is all equipped with There is auto lamp.Most of traditional auto lamp uses halogen lamp or xenon lamp as lamp source, but with the continuous progress of science and technology, LED car lamp is widely used in automotive field due to low-power consumption, energy conservation and service life are long the advantages that, but due to LED light source Calorific value is larger, and heat is difficult to distribute in lampshade, if heat dissipation can damage LED car lamp not in time.

Chinese patent, which discloses, illustrates that CN206347485U discloses a kind of LED lamp of automobile of easy heat radiation, it include lampshade, Lamp housing is equipped with LED mounting plate between lampshade and lamp housing, and LED mounting plate is equipped with several LED bulbs, in LED bulb mounting plate Heat sink is equipped between lamp housing, heat sink is equipped with several heat release holes, and heat release hole is protruded into the rear end of LED bulb, heat sink The edge of rear end face exceeds the outer edge of lamp housing port, and the edge of the front end face of heat sink exceeds the edge of LED light mounting plate, leads to The heat transmitting crossed between heat release hole and LED bulb on heat sink distributes the heat that LED bulb issues, and through heat sink Outwardly moving air transmits lateral wall, distributes to realize to the heat in LED car lamp, but due to lamp housing and lampshade Connection forms a closed chamber, depends merely on heat sink lateral wall and contacts with extraneous moving air and transmits heat and can only dissipate one Fraction, the heat that heat sink passes out largely can all stay in chamber, it is difficult to distribute, as the heat of generation is got over More, the indoor temperature of chamber can be increased constantly, be damaged to LED car lamp.

Utility model content

In order to overcome the shortcomings of the prior art, the utility model provides a kind of LED lamp of automobile of easy heat radiation, knot Structure is simple, good heat dissipation effect, effectively improves the service life of LED lamp of automobile.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of LED lamp of automobile of easy heat radiation, including Lamp housing and lampshade, the lampshade connect to form chamber with lamp housing, and the interior of the chamber is equipped with LED mounting plate, the LED mounting plate It is equipped with LED light, the lower section of the LED mounting plate is equipped with heat sink, and the lamp housing lower part is equipped with thermovent, in the heat release hole Equipped with Air Filter, the lower section of the heat sink is equipped with heat-dissipating pipe, and one end of the heat-dissipating pipe is contacted with heat sink, the heat-dissipating pipe The other end stretch to thermovent.

Using the above scheme, heat sink is set in the lower section of LED mounting plate, so that LED light produces when vehicle in use LED light In raw heat transfer to heat sink, the heat on heat sink is transmitted on heat-dissipating pipe again, and the heat on heat-dissipating pipe is dissipated by connecting One end of hot plate is spread to the one end for protruding into heat release hole, so that heat is dispersed into outside through heat release hole, in this way through the air of outside Flowing in time distributes the heat in lamp housing, achievees the effect that rapid cooling.

Preferably, the heat-dissipating pipe is heat dissipation copper pipe.The thermally conductive heat-transfer rate of copper pipe is fast, can be rapidly by LED Lamp is transmitted to the heat on heat sink and is dispersed into outside lamp housing in time.

Preferably, the heat dissipation copper pipe both ends are closed setting, are vacuum in the heat dissipation copper pipe.

Preferably, liquid is equipped in the heat dissipation copper pipe.

Using the above scheme, the inside of heat dissipation copper pipe is put into liquid, heat dissipation copper pipe is then set as airtight vacuum, due to Boiling point of the liquid again in vacuum is lower, therefore when in heat transfer to heat dissipation copper pipe, the temperature on heat dissipation copper pipe can be increased, and make Liquid is evaporated and becomes gas, take heat to one end that heat dissipation copper pipe protrudes into heat release hole, make heat be dispersed into lamp housing it is outer by The air of flowing is taken away, and cooling gas later becomes liquid again again and stays in heat dissipation copper pipe, and conveying heat in cycles accelerates LED lamp of automobile rapid cooling is convenient in the transmission of heat.

Preferably, the inner wall of the lamp housing is equipped with air inlet, and the air inlet is located at the lower section of heat sink, institute It states and is equipped with radiator fan in air inlet.

Using the above scheme, when LED light generates heat, extraneous air is blowed in lamp housing, is made by radiator fan starting Extraneous air and heat carries out heat exchange, is then blown out again by heat release hole, accelerates the air flowing in lamp housing, is convenient for lamp housing Interior heat is distributed.

Preferably, Air Filter is equipped in the air inlet.It prevents dust from entering in automobile LED car light, avoids damaging Bad LED lamp of automobile reduces the maintenance cost of vehicle.

Preferably, Air Filter is equipped in the heat release hole.

Preferably, the heat sink includes substrate and cooling fin, and the cooling fin is fixed on substrate, described to dissipate The section of backing is trapezoidal.The section of cooling fin is set as trapezoidal being to improve dissipating for heat sink to expand radiating rib contact surface product Thermal effect is accelerated heat in lamp housing and is distributed.

Preferably, the heat sink is equipped with convex block, and the position that convex block is corresponded on the lamp housing is equipped with groove, The groove and convex block mutual cooperation are fixed on heat sink on lamp housing.The connection of heat sink and lamp housing is using groove and convex block Mode is to facilitate maintenance after LED lamp of automobile damage.

Compared with prior art, the utility model has the beneficial effects that the heat transfer for being generated LED light by heat sink To heat-dissipating pipe connection heat sink one end on, heat-dissipating pipe transfers heat to the one end for protruding into heat release hole again, enable heat through Heat release hole is dispersed into outside lamp housing, and extraneous moving air again takes away heat, while extraneous air is blown by radiator fan In lamp housing, the air circulation in lamp housing is increased, distributes heat rapidly from heat release hole, there is good heat dissipation effect, Extend the service life of LED lamp of automobile.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the enlarged drawing in the portion A in Fig. 1.

Fig. 3 is the schematic diagram of heat sink in the utility model.

1- lampshade；2-LED mounting plate；3- heat sink；301- substrate；302- cooling fin；4- air inlet；5- radiator fan； 6- thermovent；7- Air Filter；8- lamp housing；9- heat dissipation copper pipe；10-LED lamp；11- groove；12- convex block.

Specific embodiment

The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram, Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.

Please refer to Fig. 1-3, a kind of LED lamp of automobile of easy heat radiation, including lamp housing 8 and lampshade 1,1 semicircular in shape of lampshade, lampshade 1 connect to form chamber with the top of lamp housing 8, and LED mounting plate 2 is equipped in chamber, multiple peaces are offered on LED mounting plate 2 Hole is filled, LED light 10 passes through mounting hole and is fixed on LED mounting plate 2, and the lower section of LED mounting plate 2 is connected with heat sink 3, heat sink 3 include substrate 301 and cooling fin 302, and cooling fin 302 is fixed on substrate 301, and the section of cooling fin 302 is trapezoidal, substrate 301 be aluminium alloy, is equipped with convex block 12 at the both ends of substrate 301, the position that convex block 12 is corresponded on lamp housing 8 is equipped with groove 11, recessed So that heat sink 3 is fixed on lamp housing 8, the lower part of lamp housing 8 is equipped with multiple thermovents 6, heat dissipation for slot 11 and the mutual cooperation of convex block 12 It is equipped with Air Filter 7 in mouth 6, more heat-dissipating pipes are equipped between 8 bottom of heat sink 3 and lamp housing, heat-dissipating pipe is located under heat sink 3 Side, one end of heat-dissipating pipe are contacted with heat sink 3, and the other end of heat-dissipating pipe 9 stretches to thermovent 6, and wherein heat-dissipating pipe is heat dissipation copper pipe 9, the both ends of heat dissipation copper pipe 9 are closed setting, so that being vacuum in heat dissipation copper pipe 9, liquid, liquid are equipped in heat dissipation copper pipe 9 Body is water, accelerates the conduction of 9 heat of heat dissipation copper pipe, and air inlet 4 is equipped in the inner left wall of lamp housing 8, and air inlet 4 is located at The lower section of heat sink 3 is equipped with radiator fan 5 in air inlet 4, and radiator fan 5 includes shell and is mounted on the intracorporal motor of shell, The output end of motor is connect with flabellum, and the circuit of the rechargeable battery and control motor for motor power supply is further fixed in shell Plate, air inlet 4 is interior to be equipped with Air Filter 7.

In the heat transfer to heat sink 3 that LED light 10 issues, in the heat transfer to heat dissipation copper pipe 9 of heat sink 3, heat dissipation Temperature on copper pipe 9 can increase, so that the liquid in heat dissipation copper pipe 9 is evaporated and becomes gas, take heat to heat dissipation copper pipe 9 and stretch The one end for entering thermovent 6, being dispersed into heat, lamp housing 8 is outer to be taken away by the air flowed, and cooling gas later becomes liquid again again and stays In heat dissipation copper pipe 9, conveying heat in cycles accelerates the transmission of heat, is convenient for LED lamp of automobile rapid cooling, simultaneously Radiator fan 5 rotates, and accelerates the indoor air circulation of chamber, heat is rapidly distributed from thermovent 6, heat dissipation effect Fruit is good.

It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims

1. a kind of LED lamp of automobile of easy heat radiation, including lamp housing and lampshade, the lampshade connect to form chamber with lamp housing, the chamber The interior of room is equipped with LED mounting plate, and the LED mounting plate is equipped with LED light, it is characterised in that: sets below the LED mounting plate Have a heat sink, the lamp housing lower part is equipped with thermovent, and the lower section of the heat sink is equipped with heat-dissipating pipe, one end of the heat-dissipating pipe with Heat sink contact, the other end of the heat-dissipating pipe stretch to thermovent.

2. the LED lamp of automobile of easy heat radiation according to claim 1, it is characterised in that: the heat-dissipating pipe is heat dissipation copper pipe.

3. the LED lamp of automobile of easy heat radiation according to claim 2, it is characterised in that: the heat dissipation copper pipe both ends are closed Setting, the interior heat dissipation copper pipe is vacuum.

4. the LED lamp of automobile of easy heat radiation according to claim 3, it is characterised in that: be equipped with liquid in the heat dissipation copper pipe.

5. the LED lamp of automobile of easy heat radiation according to claim 1, it is characterised in that: the inner wall of the lamp housing be equipped with into Air port, the air inlet are located at the lower section of heat sink, are equipped with radiator fan in the air inlet.

6. the LED lamp of automobile of easy heat radiation according to claim 5, it is characterised in that: be equipped with Air Filter in the air inlet.

7. the LED lamp of automobile of easy heat radiation according to claim 1, it is characterised in that: be equipped with Air Filter in the heat release hole.

8. the LED lamp of automobile of easy heat radiation according to claim 1, it is characterised in that: the heat sink includes substrate and dissipates Backing, the cooling fin are fixed on substrate, and the section of the cooling fin is trapezoidal.

9. the LED lamp of automobile of easy heat radiation according to claim 1, it is characterised in that: the heat sink is equipped with convex block, institute It states and is equipped with groove corresponding to the position of convex block on lamp housing, the groove and convex block mutual cooperation are fixed on heat sink on lamp housing.