CN200974572Y

CN200974572Y - Vehicle mounted LED illuminator

Info

Publication number: CN200974572Y
Application number: CNU2006200161377U
Authority: CN
Inventors: 邓蕾
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2006-11-30
Filing date: 2006-11-30
Publication date: 2007-11-14
Anticipated expiration: 2016-11-30

Abstract

The utility model discloses a vehicle LED lighting device, including a light body, at least one LED; the LED is arranged in the light body to be used as the lighting element; the device still includes a power communicating line (118); one end of the communicating line is provided with the interface of the smoker and the other end is communicated with the light body; when the smoker is inserted into the vehicle, the smoker interface and the communicating line provide the DC power supply for the LED in the light body. The lighting device of the utility model can be used as an active vehicle LED lighting device of high brightness, long service life, and low power consumption to be used in various vehicles.

Description

On-vehicle LED lighting fixture

Technical field

The utility model relates to a kind of LED illumination equipment, relates in particular to a kind of on-vehicle LED lighting fixture.

Background technology

Along with the raising of development of market economy and living standards of the people, this class luxury goods of automobile also begins to pour in a large number common people house, and the fast speed traffic brings great convenience to people's life.But because people's rhythm of life is more and more faster, a lot of people want to utilize the time by bus to do a little other things, such as reading data etc.Doing these things needs stronger light, and especially night, the light on the still present automobile is darker, reads or do the eyes of other thing meeting harm users under such lighting condition.What use is filament lamp more in illumination on the car, it when luminous energy is provided very big a part of Conversion of energy for heat energy, so the electric light conversion efficiency is very low, wasted electric energy.And the life-span of filament lamp is quite limited, often changes possibly.

On present a lot of automobiles Cigarette lighter is arranged all.The interface of Cigarette lighter except can lighting a cigarette, can also work as direct supply and use, had a lot of cars to be furnished with the vehicle carried mobile phone charger, the socket that these chargers connect is exactly a cigar lighter socket.

LED (Light Emitting Diode) claims light-emitting diode again, is a kind of emerging light source that utilizes the solid semiconductor chip as luminescent material.It is subjected to people's favor in the application of lighting field deeply with its unique advantage.As: 1, long service life 2, light output are high by 3, the few safe reliability of consumption of current is strong, help environmental protection.Along with the continuous development of chip technology and encapsulation technology, LED is more and more brighter.Great power LED can replace traditional lighting in some special occasions.LED has begun to replace the luminescent device of conventional bulb as Warning lights such as automobile tail light.But for vehicle-mounted illumination, particularly vehicle-mounted movable illumination does not also have product to occur.

Summary of the invention

The technical matters that the utility model solves provides a kind of high brightness, long life, low power consumption, movable on-vehicle LED lighting fixture.

On-vehicle LED lighting fixture described in the utility model comprises lamp body, at least one LED, and described LED is positioned at lamp body, as luminescent device; Also comprise an electric power connection line, an end of this connection lead is provided with cigar lighter socket, and the other end links to each other with lamp body, when inserting automobile cigarette lighter, provides direct supply by cigar lighter socket, connection lead for the LED in the lamp body.

Preferably, also comprise a binistor, this binistor is positioned on lamp body or the electric power connection line, is used for the break-make control to the LED power supply.

Preferably, described lamp body comprises: Cap casing, transmission lens, concave mirror, printed circuit board (PCB), spring and base; Described Cap casing and base flexibly connect, and the cavity part that Cap casing and base form is provided with transmission lens, concave mirror, printed circuit board (PCB) and spring successively; Described transmission lens is used to protect LED and printing opacity; Described concave mirror is used to assemble the light that LED sends; Described printed circuit board (PCB) is provided with the LED lighting circuit, and described LED is welded on this printed circuit board (PCB); Described spring is used for each device in the flexible fastening cavity.The movable connection method of Cap casing and base can adopt thread connecting mode.Electric power connection line can be flexible flexible cord.

Preferably, described concave mirror is provided with at least one independent reflector element, and independent reflector element is used to assemble the single led light that sends.

Preferably, the end of described base is provided with a sucker that lamp body can be fixed on car body.

Preferably, described printed circuit board (PCB) is a metal-core printed circuit board, is used for the LED heat radiation; Metal-core printed circuit board can adopt the radiating element of aluminium base as circuit card.

Adopt on-vehicle LED lighting fixture of the present utility model, can produce following technique effect:

1. owing to utilize the automobile cigarette lighter interface to provide power supply, many usefulnessization of cigar lighter socket have been realized for illumination equipment;

2. owing to adopt the illuminating source of LED as vehicle-mounted illumination equipment, so illumination equipment has electric light conversion efficiency height, and power consumption is low, the characteristics that the life-span is long.

3. be connected with power supply by flexible flexible cord, can take out car in case of necessity and do the illumination equipment use outward.

4. establish sucker in the end of lamp body base, can easily illumination equipment be fixed on other smooth side on the vehicle window or in the car body, this fixed form simplicity of design, easy to use.

5. the independent reflector element that is provided with on concave mirror is beneficial to the ejaculation of light, and the light that the reflective concave surface of cooperation concave mirror can make LED send can penetrate forward to greatest extent.

6. adopting aluminium base is the heat dissipation problem that the metal-core printed circuit board of radiating element can solve great power LED.

Description of drawings

Fig. 1 is the STRUCTURE DECOMPOSITION figure of the utility model preferred embodiment LED illumination equipment;

Fig. 2 is the assembly drawing of the utility model preferred embodiment LED illumination equipment.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further detailed.

On-vehicle LED lighting fixture shown in figure one, lamp body mainly comprises: Cap casing 111, eyeglass 112, concave mirror 113, MCPCB (Metal Core Print Circuit Board, metal-core printed circuit board) 115, spring 116, base 117.LED114 is a great power LED, and enough brightness can be provided.LED114 is positioned at lamp body and is welded on the printed circuit board (PCB).

Cap casing 111 can adopt metal or plastics to make, and effect is protection LED and inner structure.Eyeglass 1 12 can adopt the resin of glass or high light transmittance to make, and effect is protection LED, and printing opacity.Concave mirror 113 can be made of plastic, and plate high reflex-reflective material on the surface, and light can be penetrated forward to greatest extent, and 3 LEDs 114 among Fig. 1 adopt independently reflection coefficient meter 113a, is more conducive to the ejaculation of light.MCPCB (Metal Core Print Circuit Board, metal-core printed circuit board) 115 connects for this device provides circuit, and wiring board adopts aluminium base to make, and can solve the heat dissipation problem of great power LED.Spring 116 plays a part fixing and the location.There is sucker 117a base 117 back, can inhale this device on the position of needs.Electric power connection line 118 1 end 118a connect lamp body, and other end 118b connects the cigar lighter socket of automobile.Electric power connection line 118 is flexible flexible cords, can length be set as requested, satisfies different requirements.On lamp body or electric power connection line 118, binistor is set, is used for break-make control,, omitted binistor in the drawings for clearer embodiment lamp body structure of the present utility model to the LED power supply.

Shown in figure two, the assembling mode of this LED illumination equipment is: eyeglass 112 is put Cap casing into from 111 back of Cap casing, concave mirror 113 is also put into Cap casing 111 from the back of eyeglass, put into the MCPCB115 that is welded with LED114 again, spring 116 is fixed on the base 117, and base 117 is connected with Cap casing 111 by screw thread.One end 118a of electric wire 118 connects lamp body, and other end 118b connects the automobile cigarette lighter interface.

The quantity of the LED that uses in the utility model illumination equipment is unfixing, and used LED can select great power LED, and enough brightness can be provided.Because cigar lighter socket can provide the direct current (DC) of 12V, therefore can set the quantity of LED according to the design needs.More as LED, when voltage is not enough, can also adopts the mode of string and combination, even can design booster circuit, required voltage is provided.

Claims

1. on-vehicle LED lighting fixture, comprise lamp body, at least one LED (114), described LED (114) is positioned at lamp body, as luminescent device, it is characterized in that, also comprise an electric power connection line (118), one end of this connection lead is provided with cigar lighter socket (118b), the other end links to each other with lamp body, when inserting automobile cigarette lighter, provides direct supply by cigar lighter socket (118b), connection lead (118) for the LED (114) in the lamp body.

2. on-vehicle LED lighting fixture according to claim 1 is characterized in that, also comprises a binistor, and this binistor is positioned on lamp body or the electric power connection line, is used for the break-make control to LED (114) power supply.

3. on-vehicle LED lighting fixture according to claim 1 and 2 is characterized in that, described lamp body comprises: Cap casing (111), transmission lens (112), concave mirror (113), printed circuit board (PCB) (115), spring (116) and base (117);

Described Cap casing (111) and base (117) flexibly connect, and the cavity part that Cap casing (111) and base (117) form is provided with transmission lens (112), concave mirror (113), printed circuit board (PCB) (115) and spring (116) successively;

Described transmission lens (112) is used to protect LED and printing opacity; Described concave mirror (113) is used to assemble the light that LED sends; Described printed circuit board (PCB) (115) is provided with the LED lighting circuit, and described LED is welded on (115) on this printed circuit board (PCB); Described spring (116) is used for the device in the flexible fastening cavity.

4. on-vehicle LED lighting fixture according to claim 3 is characterized in that, described concave mirror (113) is provided with at least one independent reflector element (113a), and independent reflector element (113a) is used to assemble the light that send single led (114).

5. on-vehicle LED lighting fixture according to claim 3 is characterized in that, the end of described base (117) is provided with a sucker (117a) that lamp body can be fixed on car body.

6. on-vehicle LED lighting fixture according to claim 3 is characterized in that, the movable connection method of described Cap casing (111) and base (117) is a thread connecting mode.

7. on-vehicle LED lighting fixture according to claim 3 is characterized in that, described printed circuit board (PCB) (115) is metal-core printed circuit board (115), is used for the LED heat radiation.

8. on-vehicle LED lighting fixture according to claim 7 is characterized in that, described metal-core printed circuit board (115) adopts the radiating element of aluminium base as circuit card.

9. on-vehicle LED lighting fixture according to claim 1 and 2 is characterized in that, described electric power connection line (118) is flexible flexible cord.

10. on-vehicle LED lighting fixture according to claim 3 is characterized in that, described electric power connection line (118) is flexible flexible cord.