CN209540777U - Radiator structure for car light LED light source - Google Patents

Abstract

A kind of heat dissipation effect and all good radiator structure for car light LED light source of lamp condenser effect.Copper base and radiator including LED light source, strip, LED light source is welded on the front and back of copper base, copper base is plugged and fixed on a heat sink, at least one side of copper base is welded with the heat pipe that the heat on copper base quickly can guide and be vacuum lumen, and the lower part of heat pipe and copper base combination is affixed on a heat sink.Its hot end that heat of led lamp beads generation can be both transmitted to heat pipe by copper base, the heat in hot end is rapidly transmitted to by inside heat pipe working media the cold end of heat pipe again, cold end conducts heat on radiator again, and radiator distributes heat in ambient air again.Since two LED light sources are welded on the front and back of a copper base, the spacing between two LED light sources does not increase.Make that its heat-transfer rate is fast, high-efficient, spotlight effect is good, is suitable for high-power and super high power led car light.

Description

Radiator structure for car light LED light source

Technical field

The utility model relates to a kind of car light, in particular to a kind of radiator structure for the LED light source that the car light uses.

Background technique

Led car light currently on the market, there is passive heat dissipation type and active heat radiation type on radiating mode, and passive heat dissipation type such as dissipates Tropical formula, finned etc., active heat radiation type such as fan-type, air-flowing type etc., car light thermal component described above are aftermentioned to be referred to as The radiator of car light.

The led car light of traditional vehicle light bulb (such as halogen bulb, Xe lamp bulb) alternative at present, is mostly according to traditional vehicle Luminous position and the mounting means design of lamp light bulb, i.e., LED light source is prominent in the front of lamp, (it is anti-to be located at former headlight for vehicles In the focus of light cup) and the tail portion of lamp is then arranged in radiator.In order to guarantee that LED light source part can work normally and reduce light It declines, then the heat that LED light source generates must be imported into the radiator of car light tail portion and be dissipated.

In the prior art, the preferable heat-conducting mode that car light uses divides copper base radiating mode and tube sheet combination radiating mode:

1) copper base radiating mode (ginseng as shown in FIGS. 1 and 2)

There is the copper base 3 of setting shape using the production of entity copper sheet, LED light source 2 is directly welded at the copper base 3 On front or the back side, when using two LED light sources 2, the two LED light sources 2 are symmetrically disposed on front and the back of copper base 3 Face, the heat that LED light source 2 generates are guided after being absorbed by copper base 3 by the other parts of copper base 3.

Deficiency existing for the structure are as follows: heat transfer efficiency is not high, is suitable only for the less big car light of power and uses.

2) tube sheet combination radiating mode (referring to shown in Fig. 3,4)

It is that copper base 3 is combined the radiator structure of production, the knot with the heat pipe 4 with the production of good thermal conductivity material The heat transfer efficiency of structure is high compared with the heat transfer efficiency of 3 radiating mode of copper base.

The section configuration of heat pipe 4 can be that (it is semicircle that the shape refers to by rectangular two long sides and two to kidney-shaped Short side enclose shape), rectangular or regular hexagon, according to 4 section configuration of heat pipe its there are several types of:

A. double light sources

It as shown in figure 11, is the copper base for respectively welding strip for two long side lateral surfaces of the heat pipe 4 of kidney-shaped in section 3, then, then a LED light source 2 is welded on the lateral surface of each copper base 3.

B. four light source

It as shown in figure 12, is that each side lateral surface for the heat pipe 4 being square in section respectively welds the copper base 3 of strip, Then, then on the lateral surface of each copper base 3 weld a LED light source 2.

C. six light source

It as shown in figure 13, is respectively to weld its plate of the copper of strip in section for each side lateral surface of the heat pipe 4 of regular hexagon, Then, then on the lateral surface of each copper base 3 weld a LED light source 2.

All there is a common deficiency in tri- kinds of light sources of above-mentioned a.b.c, i.e., between symmetrically arranged two LED light sources 2 (hereinafter referred to as light source spacing d) is larger, causes the final spotlight effect of car light undesirable, the hot spot got through reflector and lens for distance Compared with dispersion.

Utility model content

It is used for the technical problem to be solved by the present invention is to provide a kind of heat dissipation effect and lamp condenser effect are all good The radiator structure of car light LED light source.

In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:

The radiator structure for car light LED light source of the utility model, including LED light source, the copper base of strip and heat dissipation Device, LED light source are welded on the front and back of copper base, and copper base is plugged and fixed on a heat sink, it is characterised in that: described At least one side of copper base is welded with the heat pipe that the heat on copper base quickly can guide and be vacuum lumen, the heat The lower part of the working media condensed in pipe filled with heat evaporation, to the cold, the heat pipe and copper base combination is fixed in radiator On.

The LED light source is two, and two LED light sources are symmetrically welded at the front and back of the copper base.

The heat pipe is two two sides for being respectively welded at the copper base.

Mini-fan is equipped in the cavity of the radiator bottom.

The section configuration of the heat pipe is round or rectangle.

It is equipped with jack in the center of the radiator, the heat pipe is with the lower end of radiator combination with the closely side of crimping Formula or scolding tin welding manner are fixed in the jack.

Compared with prior art, the heat pipe filled with working media is welded at least one side of copper base by the utility model Face, in this way, both can by led lamp beads generate heat by copper base be transmitted to heat pipe the side that connects (by heat pipe with copper base The side to connect is known as hot end, does not connect side and is known as cold end, similarly hereinafter), then " the gas-liquid phase transition original for passing through inside heat pipe working media The heat in hot end, is rapidly transmitted to the cold end of heat pipe by reason ", and cold end conducts heat on radiator again, and radiator again will Heat is dispersed into ambient air.This completes the thermally conductive of led car light and heat dissipations.Simultaneously as two LED light source welding In the front and back of a copper base, in this way, the spacing between two LED light sources does not increase.Above structure can be such that it leads Thermal velocity is fast, high-efficient, spotlight effect is good, is suitble to make high-power and super high power led car light.

Detailed description of the invention

Fig. 1 is the schematic diagram that car light uses copper base radiating mode LED light source in the prior art.

Fig. 2 is Fig. 1 side view.

Fig. 3 is the schematic diagram that car light uses tube sheet combination radiating mode LED light source in the prior art.

Fig. 4 is the side view of Fig. 3.

Fig. 5 is the schematic diagram of the embodiments of the present invention 1.

Fig. 6 is the side view of Fig. 5.

Fig. 7 is the top view of Fig. 5.

Fig. 8 is the schematic diagram of the embodiments of the present invention 2.

Fig. 9 is the side view of Fig. 8.

Figure 10 is the top view of Fig. 8.

Figure 11 is the double-light-source structured sectional schematic diagram of Fig. 3 radiating mode.

Figure 12 is the sectional schematic diagram of four light-source structures of Fig. 3 radiating mode.

Figure 13 is the sectional schematic diagram of six light-source structures of Fig. 3 radiating mode.

Appended drawing reference is as follows:

Led car light 1, LED light source 2, copper base 3, heat pipe 4, radiator 5, mounting clip pieces 6, mini-fan 7, light source spacing d。

Specific embodiment

As shown in Figure 5-10, the radiator structure for car light LED light source 2 of the utility model is by copper base 3 and heat pipe 4 Combine a kind of radiator structure of composition.Its heat dissipation effect that the LED light source 2 not only can be improved, while also can ensure that light source Spotlight effect.

Its by copper base 3, the LED light source being welded on copper base 32, the radiator 5 for being set to 2 rear end of LED light source, The heat pipe 4 that quickly heat on copper base 3 can be guided and 6 structure of mounting clip pieces by 2 rapid card of LED light source in car light At.

Copper base 3 is the solid copper sheet of strip.

Heat pipe 4 welds together with copper base 3, with vacuum lumen, in heat pipe 4 filled with heat be evaporated to steam, It is condensed into the working media of drop to the cold, function is condensed for the heat of 3 side of copper base by the heat absorption evaporation and heat release of working media Amount is guided by other sides (part not contacted with copper base 3).

The section configuration of heat pipe 4 can be round or rectangle, and the shape is to obtain as big as possible connect when connecting with copper base 3 Depending on contacting surface product.

The utility model selects the length of heat pipe 4 slightly larger than the length of copper base 3, in this way, the avris of copper base 3 can be made complete It is touched entirely with heat pipe 4, improves heat-conducting effect.

Copper base 3, heat pipe 4 are plugged and fixed together in the connecting hole for being set to 5 center of radiator in conjunction with latter, copper base 3 It is come into full contact with the part in connecting hole is located on heat pipe 4 with radiator 5, close crimping mode or scolding tin welding can be used therebetween Mode is fixedly connected, and can be reduced by 4 assembly of heat pipe (combination of copper base 3 and heat pipe 4 is known as 4 assembly of heat pipe) in this way and be dissipated Thermal resistance between hot device 5, is more advantageous to heat transfer.

It is equipped with cavity in the bottom of radiator 5, mini-fan 7 is equipped in cavity, further leads the heat of radiator 5 It walks.

Since two LED light sources are welded on the front and back of the same copper base, in this way, between two LED light sources Light source spacing d is smaller, thus, it can be ensured that its spotlight effect is in preferable state.

Embodiment 1

The front and back of copper base 3 is symmetrically welded at using two LED light sources 2, heat pipe 4 is one, the heat pipe 4 welding In a side of copper base 3.

Embodiment 2

The front and back of copper base 3 is symmetrically welded at using two LED light sources 2, heat pipe 4 is two, and two heat pipes 4 divide It is not welded on two sides of copper base 3.

Claims (6)

1. a kind of radiator structure for car light LED light source, copper base (3) and radiator including LED light source (2), strip (5), LED light source (2) is welded on the front and back of copper base (3), and copper base (3) is plugged and fixed on radiator (5), special Sign is: at least one side of the copper base (3) be welded with can quickly by copper base (3) heat guide and be true The heat pipe (4) of empty inner cavity, the interior working media condensed filled with heat evaporation, to the cold of the heat pipe (4), the heat pipe (4) and copper The lower part of substrate (3) combination is fixed on radiator (5).

2. the radiator structure according to claim 1 for car light LED light source, it is characterised in that: the LED light source (2) It is two, two LED light sources (2) are symmetrically welded at the front and back of the copper base (3).

3. the radiator structure according to claim 2 for car light LED light source, it is characterised in that: the heat pipe (4) is two Root is respectively welded at two sides of the copper base (3).

4. the radiator structure according to claim 3 for car light LED light source, it is characterised in that: in the radiator (5) Mini-fan (7) are equipped in the cavity of bottom.

5. the radiator structure according to claim 4 for car light LED light source, it is characterised in that: the heat pipe (4) is broken Face shape is round or rectangle.

6. the radiator structure according to claim 1 for car light LED light source, it is characterised in that: in the radiator (5) Center be equipped with jack, the heat pipe (4) is with the lower end of radiator (5) combination in a manner of closely crimping or scolding tin welding side Formula is fixed in the jack.