CN208983257U - A kind of LED headlight chip installing structure and the bis- optical lens mould groups of LED using it - Google Patents

Abstract

The utility model discloses a kind of LED headlight chip installing structure and using its bis- optical lens mould groups of LED, belong to headlight for vehicles field.A kind of LED headlight chip installing structure of the utility model and the bis- optical lens mould groups of LED using it, including cooling base and LED chip, the fixation in such a way that pressing plate presses of the substrate of LED chip fits on cooling base, pressing plate includes lower platen and top board, lower platen is fixed on cooling base by top board, and lower platen is equipped with the fixed back-off matched with LED chip.Top board is anchored on cooling base by rivet or screw, and cooling base lower perimeter is equipped with radiating fin, and radiating fin is in distribution of shapes clockwise or counterclockwise.LED chip is directly fitted in such a way that pressing plate presses and is installed on cooling base by the utility model, and the heat conduction efficiency of LED chip greatly improved, significantly improve the radiating efficiency of LED automobile headlamp, improve the illumination performance and service life of LED chip.

Description

A kind of LED headlight chip installing structure and the bis- optical lens mould groups of LED using it

Technical field

The utility model relates to a kind of headlight for vehicles, more specifically to a kind of LED headlight chip installing structure and answer With the bis- optical lens mould groups of its LED.

Background technique

Headlight for vehicles requires dipped beam and road function, and dipped beam exports usual angle downwards and is offset slightly from and head-on sails The vehicle come, it is dazzling to be reduced for the oncoming vehicle in the opposite side of road；Distance light output is brighter and exports without dipped beam Direction require.For many years, automobile be commonly equipped with for dipped beam and distance light output separate type headlight lamp group, but for Many reasons, people prefer to allow single headlight while having distance light and low-beam function.Currently, some designers both domestic and external It is proposed automobile modulated structure many while that there is distance light and low-beam function, but these designs are mostly relatively simple, are arranged mostly One xenon or halogen light source, the position for switching baffle by changing distance-light are adjusted between distance light and dipped beam to realize, this The power consumption of the headlight for vehicles of kind structure is higher, is easy to produce high temperature, service life is also shorter.

Increasingly mature with great power LED technology, LED has become reality as the light source of auto lamp, and LED can be used Multiple light courcess combining form can change the shape and arrangement of car headlamp, as long as and power supply and LED radiate When the service life of LED automobile headlight can be far smaller than that motor live time, so LED automobile lamp is quickly becoming automobile at present The popularization product of parts manufacturer.But LED car lamp lens module designs the LED combination of multi-purpose one group of super high power, through one A reflector optical design switches distance-light, such design using convertible darkening mechanism at institute's light-dependent type of distance-light The disadvantage is that power consumption is big, LED is maximum power output always.

Currently, during the work time, radiate the bis- optical lens of existing LED the method for mostly using traditional heat-dissipating in the market, Its heat can not shed in time, and influence the luminous flux stability that light source uses for a long time.It is imitated to solve LED car lamp in heat dissipation The bad problem of fruit, China Patent No. ZL201520374566.0, authorized announcement date are on 09 30th, 2015, utility model name Referred to as: a kind of LED automobile headlamp of double light one, this application are related to a kind of LED automobile headlamp of double light one, including lens Bracket, lens, reflector and light source assembly, lens are installed on reflector by lens carrier, and light source assembly is set to reflector It is interior, dipped beam reflector and distance light reflector are equipped in reflector, dipped beam reflector and distance light reflector are oppositely arranged, dipped beam reflection The front end of cover is additionally provided with dead line diaphragm；Light source assembly includes distance light LED light source mould group and dipped beam LED light source mould group, distance light LED Light source module group is towards distance light reflector, and dipped beam LED light source mould group is towards dipped beam reflector.This application delicate structure can make Distance light and dipped beam are respectively provided with independent optical reflecting cover, and the dead line of dipped beam can effectively protect the eyes of other side driver, far Light then more optically focused, center brightness is strong, and irradiation distance is remote；Together with distance light can be irradiated simultaneously and be joined with the optical axis of dipped beam, formed One perfect optical path hot spot.But the cooling system of the LED automobile headlamp of this application has the following deficiencies:

1) the distance light LED light source mould group in this application and dipped beam LED light source mould group are usually first attached on copper base, then It is fitted on cooling base by copper base, although the mode installation that this LED light source mould group is installed indirectly is more convenient, The heat conduction efficiency that LED chip issues is lower, causes the heat dissipation effect of LED chip poor；

2) radiating fin in this application on cooling base uses traditional structure forms, and the air-flow of radiator fan is led Stream effect is poor, flows slow and flow blind angle problem air-flow is locally present, therefore cause the heat on cooling base can not Efficiently it is discharged.

Summary of the invention

1. utility model technical problems to be solved

The purpose of the utility model is to overcome existing LED automobile headlamps there are the deficiency of heat dissipation effect difference, provides one kind LED headlight chip installing structure and the bis- optical lens mould groups of LED for applying it, using the technical solution of the utility model, by LED core Piece is directly fitted in such a way that pressing plate presses and is installed on cooling base, and the heat conduction efficiency of LED chip, pole greatly improved The earth improves the radiating efficiency of LED automobile headlamp, improves the illumination performance and service life of LED chip.

2. technical solution

In order to achieve the above objectives, technical solution provided by the utility model are as follows:

A kind of LED headlight chip installing structure of the utility model, including cooling base and LED chip, the LED core The fixation in such a way that pressing plate presses of the substrate of piece fits on cooling base.

Further, the pressing plate includes lower platen and top board, is designed on the lower platen and top board The through-hole of LED chip is accommodated, the lower platen is fixed on cooling base by top board, and lower platen is equipped with and LED The fixed back-off that chip matches.

Further, the top board is anchored on cooling base by rivet or screw.

Further, the cooling base lower perimeter is equipped with radiating fin, and the radiating fin is in clockwise Or rotated shape distribution counterclockwise.

A kind of bis- optical lens mould groups of LED of the utility model, including the reflection of cooling base, dipped beam LED chip group, dipped beam Cover, distance light LED chip group, distance light reflector, darkening mechanism, lens and lens carrier, the dipped beam reflector are set to heat dissipation The upside of pedestal, the distance light reflector is set to the downside of cooling base, before the darkening mechanism is set to cooling base End, the lens are installed in front of dipped beam reflector and distance light reflector by lens carrier, the dipped beam reflector cover Set on the outside of dipped beam LED chip group, and dipped beam LED chip group is located near the interior focal position of dipped beam reflector；Described Distance light reflector covers at the outside of distance light LED chip group, and distance light LED chip group is located at the interior focal position of distance light reflector Near, the dipped beam LED chip group and distance light LED chip group are all made of above-mentioned LED headlight chip installing structure and are installed on On cooling base.

Further, be additionally provided with the card hole for mounted lens Decorative Cover on the lens carrier, and the card hole with It is combined together on lens carrier for fixing the clamp of lens.

Further, the outside of the dipped beam reflector be equipped with dipped beam heat dissipating housing, the dipped beam heat dissipating housing it is interior Side edge is in contact with the upper table surface of cooling base.

Further, the bottom of the cooling base is also equipped with radiator fan.

3. beneficial effect

It is had the following beneficial effects: compared with existing well-known technique using technical solution provided by the utility model

(1) a kind of LED headlight chip installing structure of the utility model and the bis- optical lens mould groups of LED using it, LED The substrate of chip pressing plate press by way of fixation fits on cooling base, using cooling base directly with LED chip Substrate contacts to realize that heat conducts, and solves the problems, such as that the heat dissipation effect of the bis- optical lens of existing LED is poor, significantly improves The radiating efficiency of LED distance-light one headlight for vehicles, improves the illumination performance and service life of LED chip；

(2) a kind of LED headlight chip installing structure of the utility model and the bis- optical lens mould groups of LED using it, pressure Plate includes lower platen and top board, and the through-hole for accommodating LED chip is designed on lower platen and top board, and lower platen passes through top board It being fixed on cooling base, top board is anchored on cooling base by rivet or screw, and structure is simple, it is conducive to install, and on Lower platen can conduct the heat of LED chip, and radiating efficiency is further promoted；

(3) a kind of LED headlight chip installing structure of the utility model and the bis- optical lens mould groups of LED using it, dissipate Hot radical seat lower perimeter is equipped with radiating fin, and radiating fin is conducive to radiation air in distribution of shapes clockwise or counterclockwise The airflow smooth of fan the thermal energy on cooling base and radiating fin is dispelled away, improves the efficiency of heat conduction, is realized The rapid cooling of LED chip group；

(4) a kind of LED of the utility model bis- optical lens mould groups are additionally provided on lens carrier and decorate for mounted lens The card hole of cover, and the card hole is combined together on lens carrier for fixing the clamp of lens, is designed using the structure, mold Development cost reduce very much, and the structure of mold is also simplified, and the failure rate of mold reduces, and service life is also longer.

Detailed description of the invention

Fig. 1 is a kind of schematic perspective view of the bis- optical lens mould groups of LED of the utility model；

Fig. 2 is a kind of schematic cross-sectional view of the bis- optical lens mould groups of LED of the utility model；

Fig. 3 is the LED chip mounting structure schematic diagram in a kind of bis- optical lens mould groups of LED of the utility model；

Fig. 4 is a kind of radiating base structure schematic diagram of the bis- optical lens mould groups of LED of the utility model；

Fig. 5 is the distance light LED chip mounting structure schematic diagram in a kind of bis- optical lens mould groups of LED of the utility model.

Label declaration in schematic diagram:

1, cooling base；1-1, radiating fin；2, dipped beam LED chip group；3, dipped beam reflector；4, dipped beam heat dissipating housing；5, Distance light LED chip group；6, distance light reflector；7, lower platen；8, top board；9, darkening mechanism；10, lens；11, lens carrier； 12, radiator fan.

Specific embodiment

For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

Embodiment

In conjunction with shown in Fig. 1 to Fig. 5, a kind of LED headlight chip installing structure of the present embodiment, including cooling base 1 and LED Chip, the fixation in such a way that pressing plate presses of the substrate of LED chip fit on cooling base 1, using cooling base 1 directly with The substrate of LED chip contacts to realize that heat conducts, and solves the problems, such as that the heat dissipation effect of the bis- optical lens of existing LED is poor, greatly Ground improves the radiating efficiency of LED distance-light one headlight for vehicles, improves the illumination performance and service life of LED chip.

As shown in figure 5, pressing plate includes lower platen 7 and top board 8, receiving LED core is designed on lower platen 7 and top board 8 The through-hole of piece, lower platen 7 be fixed on cooling base 1 by top board 8, and lower platen 7 is equipped with and matches with LED chip Fixed back-off will be fixed using fixed back-off with LED chip.Top board 8 is anchored on cooling base 1 by rivet or screw On, realization LED chip is stably connected with cooling base 1, and structure is simple, is conducive to installation, and upper lower platen can be to LED chip Heat conducted, radiating efficiency is further promoted.

As shown in figure 4,1 lower perimeter of cooling base is equipped with radiating fin 1-1, radiating fin 1-1 is in the clockwise or inverse time The distribution of needle rotated shape.Thermal energy on cooling base 1 and radiating fin 1-1 is blown with being conducive to the airflow smooth of radiator fan 12 It sheds, improves the efficiency of heat conduction, realize the rapid cooling of LED chip group.

The present embodiment also discloses a kind of bis- optical lens mould groups of LED, applies the big lamp chip installation knot of above-mentioned LED Structure further includes cooling base 1, dipped beam LED chip group 2, dipped beam reflector 3, distance light LED chip group 5, distance light reflector 6, becomes Ray machine structure 9, lens 10 and lens carrier 11, dipped beam reflector 3 are set to the upside of cooling base 1, and distance light reflector 6 is set to heat dissipation The downside of pedestal 1, darkening mechanism 9 are set to the front end of cooling base 1, and lens 10 are installed on dipped beam reflector by lens carrier 11 3 and the front of distance light reflector 6, dipped beam reflector 3 covers at the outside of dipped beam LED chip group 2, and dipped beam LED chip group 2 is located at Near the interior focal position of dipped beam reflector 3, distance light reflector 6 covers at the outside of distance light LED chip group 5, and distance light LED core Piece group 5 is located near the interior focal position of distance light reflector 6, and dipped beam LED chip group 2 and distance light LED chip group 5 are all made of above-mentioned LED headlight chip installing structure be installed on cooling base 1.

As shown in Figure 1, being additionally provided with the card hole for mounted lens Decorative Cover on lens carrier 11, and the card hole and lens branch It is combined together on frame 11 for fixing the clamp of lens 10.It is designed using the structure, mould development expense reduces very much, mold Structure be also simplified, the failure rate of mold reduces, and service life is also longer.

As depicted in figs. 1 and 2, the outside of dipped beam reflector 3 is equipped with dipped beam heat dissipating housing 4, the inside edge of dipped beam heat dissipating housing 4 It is in contact with the upper table surface of cooling base 1；The bottom of cooling base 1 is equipped with radiator fan 12.Since radiating fin 1-1 is dissipating In distribution of shapes clockwise or counterclockwise on hot radical seat 1, the air-flow of radiator fan 12 can swimmingly by cooling base 1 and Thermal energy on radiating fin 1-1 dispels away, improves the efficiency of heat conduction, realizes the rapid cooling of LED chip group.And And radiator fan 12 is installed on the downside of cooling base 1, so that the structure of LED distance-light one headlight is more compact, car light is whole Body length is small, is easily installed, and radiator fan 12 is not limited by space is mounted on and keeps the air circulation of car light more preferable, more Add convenient for quickly taking away heat.The other structures and its working principle of the bis- optical lens mould groups of LED are the same as those in the prior art, This is just repeated no more.

Its bis- optical lens mould groups of LED of a kind of LED headlight chip installing structure of the utility model and application, pass through by LED chip is directly fitted in such a way that pressing plate presses and is installed on cooling base, and the heat transfer effect of LED chip greatly improved Rate significantly improves the radiating efficiency of LED automobile headlamp, improves the illumination performance and service life of LED chip.Meanwhile By radiating fin in distribution of shapes clockwise or counterclockwise on cooling base, with being conducive to the airflow smooth of radiator fan Thermal energy on cooling base and radiating fin is dispelled away, the efficiency of heat conduction is improved, realizes the fast of LED chip group Speed heat dissipation.

Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, without creatively designing Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (7)

1. a kind of LED headlight chip installing structure, including cooling base (1) and LED chip, it is characterised in that: the LED core The fixation in such a way that pressing plate presses of the substrate of piece fits on cooling base (1)；The pressing plate includes lower platen (7) and upper The through-hole for accommodating LED chip is designed on pressing plate (8), the lower platen (7) and top board (8), the lower platen (7) is logical It crosses top board (8) to be fixed on cooling base (1), and lower platen (7) is equipped with the fixed back-off matched with LED chip.

2. a kind of LED headlight chip installing structure according to claim 1, it is characterised in that: the top board (8) is logical It crosses rivet or screw is anchored on cooling base (1).

3. a kind of LED headlight chip installing structure according to claim 1, it is characterised in that: the cooling base (1) Lower perimeter is equipped with radiating fin (1-1), and the radiating fin (1-1) is in distribution of shapes clockwise or counterclockwise.

4. a kind of bis- optical lens mould groups of LED, including cooling base (1), dipped beam LED chip group (2), dipped beam reflector (3), distance light LED chip group (5), distance light reflector (6), darkening mechanism (9), lens (10) and lens carrier (11), the dipped beam reflection The upside that (3) are set to cooling base (1) is covered, the distance light reflector (6) is set to the downside of cooling base (1), the change Ray machine structure (9) is set to the front end of cooling base (1), and the lens (10) are installed on dipped beam reflector by lens carrier (11) (3) and in front of distance light reflector (6), the dipped beam reflector (3) covers at the outside of dipped beam LED chip group (2), and dipped beam LED chip group (2) is located near the interior focal position of dipped beam reflector (3)；The distance light reflector (6) covers at distance light The outside of LED chip group (5), and distance light LED chip group (5) is located near the interior focal position of distance light reflector (6), feature Be: the dipped beam LED chip group (2) and distance light LED chip group (5) is all made of described in claims 1 to 3 any one LED headlight chip installing structure is installed on cooling base (1).

5. the bis- optical lens mould groups of a kind of LED according to claim 4, it is characterised in that: on the lens carrier (11) It is additionally provided with the card hole for mounted lens Decorative Cover, and for fixing the clamp of lens (10) on the card hole and lens carrier (11) It is combined together.

6. the bis- optical lens mould groups of a kind of LED according to claim 4 or 5, it is characterised in that: the dipped beam reflector (3) outside is equipped with dipped beam heat dissipating housing (4), the inside edge of the dipped beam heat dissipating housing (4) and the upper table surface of cooling base (1) It is in contact.

7. the bis- optical lens mould groups of a kind of LED according to claim 6, it is characterised in that: the bottom of the cooling base (1) Portion is also equipped with radiator fan (12).