CN207247097U

CN207247097U - A kind of LED car lamp

Info

Publication number: CN207247097U
Application number: CN201720979826.6U
Authority: CN
Inventors: 姜文波
Original assignee: Shenzhen Bo Hao Electronics Co Ltd
Current assignee: Shenzhen Bo Hao Electronics Co Ltd
Priority date: 2017-08-07
Filing date: 2017-08-07
Publication date: 2018-04-17
Anticipated expiration: 2027-08-07

Abstract

The utility model embodiment discloses a kind of LED car lamp, it includes lamp holder, and the lamp holder includes hexagonal prisms lamp bracket, and the hexagonal prisms lamp bracket is located at the front end of the lamp holder, and LED illuminator is both provided with six sides of the hexagonal prisms lamp bracket.When LED car lamp works, the angle of radiation of the LED illuminator of each side of hexagonal prisms lamp bracket is smaller, the luminance-reduction of LED light can almost be ignored, so that the light that the LED illuminator of 6 sides of hexagonal prisms lamp bracket is sent forms one 360 degree of light covering surface, when going out by reflected illumination, brightness is sufficient and uniform, does not have hot spot and dark space in the region of covering.

Description

A kind of LED car lamp

Technical field

It the utility model is related to field of automobile, more particularly to a kind of LED car lamp.

Background technology

Due to having the characteristics that brightness is high, energy consumption is low and long lifespan, the application of LED car lamp are just becoming more and more extensive. But considerable LED car lamp is all installed in parallel on lamp holder using two pieces of LED lamp panels at present, when car light is opened, it is limited to car light Angle of radiation (180 degree can not be reached), two dark spaces occur in light overlay area, influence driving vision.In addition also have Using the design on lamp holder of 3 pieces of LED lamp panel installations triangular in shape, the angle of radiation of every piece of LED lamp panel is 120 degree at this time, 360 degree of all standing can be reached in theory, but limited by LED lamp bead technique, it is larger in the angle of radiation of LED lamp bead When, its brightness will reduce and become uneven, will be more than 50%, therefore in reality for 120 degree of its luminance-reductions in angle of radiation Still can be there are visual field dark space in the application of border, and brightness irregularities have seriously affected the usage experience of user.

Utility model content

The utility model proposes a kind of LED car lamp, to solve existing LED car lamp overlay area occur visual field dark space and The problem of brightness irregularities.

To solve the above-mentioned problems, the utility model provides a kind of LED car lamp, including：Lamp holder, the lamp holder include six ribs Post lamp frame, the hexagonal prisms lamp bracket are located at the front end of the lamp holder, LED are both provided with six sides of the hexagonal prisms lamp bracket Illuminator.

Further technical solution is for it：The hexagonal prisms lamp bracket is regular hexagonal prism structure；The LED illuminator includes base Plate and the LED lamp bead being arranged on the substrate, the substrate are fitted on the side of the hexagonal prisms lamp bracket.

Further technical solution is for it：The LED illuminator includes multiple LED lamp beads, multiple LED lamp beads It is uniformly distributed along the axial direction of the hexagonal prisms lamp bracket.

Further technical solution is for it：The hexagonal prisms lamp bracket is on itself axial cross section, from the horizontal stroke Intersection point diverging of the central point in section to the distributing line of the LED lamp bead on the cross section and each side substrate of hexagonal prisms lamp bracket Into 6 angles, each angle is 60 °.

Further technical solution is for it：The lamp holder further includes the radiating part being connected with the hexagonal prisms lamp bracket, described LED car lamp further includes induced draft fan；It is open on the radiating part formed with cavity, the top of the cavity for one, the sky Formed with air inlet on the side wall of chamber；The induced draft fan is arranged in the cavity to form exhausting gas in the cavity Stream, the exhausting air-flow enter in the cavity from the air inlet and are discharged from the opening of the cavity.

Further technical solution is for it：The both sides of the air inlet are equipped with the first heat dissipation on the outer surface of the cavity Groove；The both sides of the air inlet are equipped with the second radiating groove on the inner surface of the cavity.

Further technical solution is for it：The lamp holder, which further includes, connects the hexagonal prisms lamp bracket and the radiating part Connecting portion；Formed with the outlet hole for connecting the cavity on the connecting portion；The LED car lamp is further included in the cavity LED drive circuit plate；The control line drawn from the LED drive circuit plate passes through the outlet hole and the LED illuminator It is electrically connected.

Further technical solution is for it：The LED car lamp further includes one and is used to the car light being installed on vehicle Support fastener, the support fastener are equipped with an axis hole, and the inner wall of the axis hole is equipped with the first buckle structure, the connecting portion Outer surface be equipped with the second buckle structure, the support fastener is placed on the connecting portion and by first buckle structure Cooperation with the second buckle structure and be fixed together.

Further technical solution is for it：Entrance hole is also formed with the side wall of the cavity, from the LED drive circuit The power cord that plate is drawn passes through the entrance hole, is connected for the power supply with vehicle.

Further technical solution is for it：The LED car lamp further includes rear cover, and the rear cover is arranged on the opening, institute Covered after stating formed with air outlet.

Hexagonal prisms lamp bracket is equipped with by the front end using the technical solution of the utility model, LED car lamp lamp holder, in hexagonal prisms Be equipped with LED illuminator on each side of lamp bracket, when LED car lamp works, the angle of radiation of the LED illuminator of each side compared with Small, the luminance-reduction of LED illuminator can almost be ignored, so that the LED illuminator of six sides of hexagonal prisms lamp bracket is sent Light form one 360 degree of light covering surface, when going out by reflected illumination, brightness is sufficient and uniform, does not have in the region of covering There are hot spot and dark space.

Brief description of the drawings

In order to illustrate more clearly of the utility model embodiment technical solution, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the utility model, for For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings Attached drawing.

Fig. 1 is a kind of structure diagram for LED car lamp that the utility model embodiment provides；

Fig. 2 is the schematic diagram of Section A-A in Fig. 1.

Fig. 3 is the structure diagram of lamp holder in Fig. 1.

Reference numeral

1st, lamp holder；2nd, LED illuminator；3rd, induced draft fan；4th, support fastener；5th, LED drive circuit plate；6th, power cord； 7th, rear cover；11st, hexagonal prisms lamp bracket；12nd, radiating part；13rd, connecting portion；21st, substrate；22nd, LED lamp bead；41st, axis hole；71st, outlet air Mouthful；121st, cavity；122nd, air inlet；123rd, the first radiating groove；124th, the second radiating groove；125th, entrance hole；131st, outlet hole； 132nd, groove.

Embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in embodiment is clearly and completely retouched State, similar reference numerals represent similar component in attached drawing.Obviously, embodiment explained below is only the present invention one Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making All other embodiments obtained under the premise of creative work, belong to the scope of protection of the invention.

It should be appreciated that ought use in this specification and in the appended claims, term " comprising " and "comprising" instruction Described feature, entirety, step, operation, the presence of element and/or component, but it is not precluded from one or more of the other feature, whole Body, step, operation, element, component and/or its presence or addition for gathering.

It is it is also understood that specific merely for the sake of describing in this utility model embodiment term used in the description The purpose of embodiment and be not intended to limit the utility model embodiment.Such as in the utility model embodiment specification and appended power As used in sharp claim, unless context clearly indicates other situations, otherwise " one " of singulative, "one" And "the" is intended to include plural form.

Referring to Fig. 1, a kind of structure diagram of its LED car lamp provided for the application utility model embodiment can by figure Know, the LED car lamp includes lamp holder 1, and the lamp holder 1 includes hexagonal prisms lamp bracket 11, and the hexagonal prisms lamp bracket 11 is located at the lamp The front end of seat 1, LED illuminator 2 is both provided with six sides of the hexagonal prisms lamp bracket 11.

LED car lamp provided in this embodiment, the front end of its lamp holder 1 is equipped with hexagonal prisms lamp bracket 11, in hexagonal prisms lamp bracket 11 LED illuminator 2 is equipped with each side, when LED car lamp works, the angle of radiation of the LED illuminator 2 of each side is smaller, The luminance-reduction of LED illuminator 2 can almost be ignored, so that the LED illuminator 2 of 11 6 sides of hexagonal prisms lamp bracket is sent Light form one 360 degree of light covering surface, when going out by reflected illumination, brightness is sufficient and uniform, does not have in the region of covering There are hot spot and dark space.

Referring to Fig. 1 and Fig. 2, in some embodiments, such as the present embodiment, the hexagonal prisms lamp bracket 11 is regular hexagonal prism knot Structure so that the appearance of hexagonal prisms lamp bracket 11 is more beautiful, and convenient processing.

The LED illuminator 2 includes substrate 21 and the LED lamp bead 22 being arranged on the substrate 21, the substrate 21 Fit in the side of the hexagonal prisms lamp bracket 11.Specifically, it is fitted with a substrate on each side of hexagonal prisms lamp bracket 11 21.A kind of preferred embodiment, substrate 21 are spirally connected with hexagonal prisms lamp bracket 11 and (pass through screw connection).

Further, each LED illuminator 2 includes multiple LED lamp beads 22, the LED lamp bead 22 in LED illuminator 2 along The axial direction of hexagonal prisms lamp bracket 11 is uniformly distributed on the base plate (21.LED lamp bead 22 is distributed point-blank, which is defined as The distributing line of LED lamp bead 22.A kind of preferred embodiment, LED lamp bead 22 are welded on the base plate (21.

Further, the hexagonal prisms lamp bracket 11 is in itself axial cross section, A-A, from the cross section, A-A Distributing line from central point O to the LED lamp bead on the cross section, A-A and each side substrate of hexagonal prisms lamp bracket 11 intersection point A~F Diverging forms 6 angles, and each angle is 60 °.At this time, the angle of radiation of the LED illuminator 2 of each side is 60 ° so that Illumination is more uniform.

Referring to Fig. 1 and Fig. 3, in some embodiments, such as the present embodiment, the lamp holder 1 further includes and the hexagonal prisms The connected radiating part 12 of lamp bracket 11, the LED car lamp further include induced draft fan 3；Formed with cavity on the radiating part 12 121, the top of the cavity 121 is open for one, formed with air inlet 122 on the side wall of the cavity 121；The air-draft-type wind Fan 3 is arranged in the cavity 121 to form exhausting air-flow in the cavity 121, and the exhausting air-flow is from the air inlet 122 Discharged in into the cavity 121 and from the opening of the cavity 121.

It should be noted that when induced draft fan 3 works, air inlet of the gas in cavity 121 by cavity 121 is driven 122 to cavity 121 open flow, take away the heat on radiating part 12, so as to reduce the temperature of LED car lamp, avoid due to LED Brightness decay and security risk caused by car light temperature is excessive.

Further, the both sides of the air inlet 122 are equipped with the first radiating groove 123 on the outer surface of the cavity 121；Institute The both sides for stating the air inlet 122 on the inner surface of cavity 121 are equipped with the second radiating groove 124.Specifically, by the inlet air The housing of 122 both sides of mouth carries out fluting and forms first radiating groove 123 and second radiating groove 124.

First radiating groove 123 and the second radiating groove 124 are set respectively inside and outside air inlet 122, on the one hand increased The surface area of heat dissipation is added, has improved the efficiency of the heat dissipation of induced draft fan 3, on the other hand cause the heat dissipation of LED car lamp more Uniformly.

Further, 21 plate of substrate is aluminum substrate.The heat transfer efficiency of aluminum substrate is high, can be quickly by LED lamp bead 22 The heat of generation is conducted to hexagonal prisms lamp bracket 11, improves the efficiency of heat dissipation.

Referring to Fig. 1 and Fig. 3, in some embodiments, such as the present embodiment, the lamp holder 1 further includes connection six rib The connecting portion 13 of post lamp frame 11 and the radiating part 12；Formed with the outlet for connecting the cavity 121 on the connecting portion 13 Hole 131；The LED car lamp further includes the LED drive circuit plate 5 in the cavity 121, which is located at Between the connecting portion 13 and the induced draft fan 3；Go out from the control line that the LED drive circuit plate 5 is drawn described in String holes 131 is electrically connected with the LED illuminator 2.Based on the structure design, the overall structure of LED car lamp is more compact and beautiful See.

Further, the LED drive circuit plate 5 is electrically connected with the LED lamp bead 22, with to the LED lamp bead 22 Regulated and controled and powered.LED drive circuit plate 5 can drive the LED lamp bead 22 with constant current, and have temperature-compensating and polarity to turn Function is changed, greatly ensure that the reliability and security of car light.

With continued reference to Fig. 1 and Fig. 3, in some embodiments, such as the present embodiment, the car light further includes one and is used for institute The support fastener 4 that LED car lamp is installed on vehicle is stated, the support fastener 4 is equipped with an axis hole 41, the inner wall of the axis hole 41 The first buckle structure is equipped with, the outer surface of the connecting portion 13 is equipped with the second buckle structure, and the support fastener 4 is placed on institute State on connecting portion 13 and be fixed together by the cooperation of first buckle structure and the second buckle structure.

Preferably, first buckle structure is fin (not shown) on the inner wall of the axis hole 41, described the Two buckle structures are the groove 132 on the outer surface of the connecting portion 13, and the fin is embedded in the groove 132 to be formed Buckle structure.

With continued reference to Fig. 1 and Fig. 3, in some embodiments, such as the present embodiment, shape is gone back on the side wall of the cavity 121 Into there is entrance hole 125, the power cord 6 drawn from the LED drive circuit plate 5 passes through the entrance hole 125, for vehicle Power supply connects.

With continued reference to Fig. 1, in some embodiments, such as the present embodiment, the LED car lamp further includes rear cover 7, after described Lid 7 is arranged on the opening, formed with air outlet 71 on the rear cover 7.

The description to each embodiment all emphasizes particularly on different fields what is be not described in some embodiment in the above-described embodiments Part, may refer to the associated description of other embodiment.

The above, is specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to This, any one skilled in the art can readily occur in various etc. in the technical scope that the utility model discloses The modifications or substitutions of effect, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this practicality is new The protection domain of type should be subject to scope of the claims.

Claims

A kind of 1. LED car lamp, it is characterised in that including：Lamp holder, the lamp holder include hexagonal prisms lamp bracket, the hexagonal prisms lamp bracket Positioned at the front end of the lamp holder, LED illuminator, the LED illuminator are both provided with six sides of the hexagonal prisms lamp bracket Including multiple LED lamp beads, the hexagonal prisms lamp bracket on itself axial cross section, from the central point of the cross section to The cross section and the intersection point of the distributing line of the LED lamp bead of each side of hexagonal prisms lamp bracket dissipate to form 6 angles, each folder Angle is 60 °.
2. LED car lamp as claimed in claim 1, it is characterised in that：The hexagonal prisms lamp bracket is regular hexagonal prism structure；It is described LED illuminator includes substrate, and the LED lamp bead is arranged on the substrate, and the substrate fits in the hexagonal prisms lamp bracket On side.
3. LED car lamp as claimed in claim 2, it is characterised in that：Multiple LED lamp beads are along the hexagonal prisms lamp bracket Axially it is uniformly distributed.
4. LED car lamp as claimed in claim 1, it is characterised in that：The lamp holder is further included to be connected with the hexagonal prisms lamp bracket Radiating part, the LED car lamp further includes induced draft fan；It is formed with cavity, the top of the cavity on the radiating part One is open, formed with air inlet on the side wall of the cavity；The induced draft fan is arranged in the cavity with the cavity Interior formation exhausting air-flow, the exhausting air-flow enter in the cavity from the air inlet and are discharged from the opening of the cavity.
5. LED car lamp as claimed in claim 4, it is characterised in that：The both sides of the air inlet on the outer surface of the cavity Equipped with the first radiating groove；The both sides of the air inlet are equipped with the second radiating groove on the inner surface of the cavity.
6. LED car lamp as claimed in claim 4, it is characterised in that：The lamp holder further include the connection hexagonal prisms lamp bracket with And the connecting portion of the radiating part；Formed with the outlet hole for connecting the cavity on the connecting portion；The LED car lamp further includes LED drive circuit plate in the cavity；From the LED drive circuit plate draw control line through the outlet hole with The LED illuminator is electrically connected.
7. LED car lamp as claimed in claim 6, it is characterised in that：The LED car lamp further includes one and is used to pacify the car light The support fastener being attached on vehicle, the support fastener are equipped with an axis hole, and the inner wall of the axis hole is equipped with the first buckle and ties Structure, the outer surface of the connecting portion are equipped with the second buckle structure, and the support fastener is placed on the connecting portion and by institute State the cooperation of the first buckle structure and the second buckle structure and be fixed together.
8. LED car lamp as claimed in claim 6, it is characterised in that：Entrance hole is also formed with the side wall of the cavity, from institute The power cord for stating the extraction of LED drive circuit plate passes through the entrance hole, is connected for the power supply with vehicle.
9. LED car lamp as claimed in claim 4, it is characterised in that：The LED car lamp further includes rear cover, and the rear cover is arranged on The opening, covers formed with air outlet after described.