CN210568136U

CN210568136U - LED combined lamp for engineering machinery

Info

Publication number: CN210568136U
Application number: CN201921672998.4U
Authority: CN
Inventors: 齐加萍; 张建; 薛伟; 张明颖; 朱晓晖
Original assignee: Shandong Lingong Construction Machinery Co Ltd
Current assignee: Shandong Lingong Construction Machinery Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-05-19
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a LED combination lamps and lanterns for engineering machine tool, it belongs to the engineering machine tool field. The LED lamp mainly comprises a lamp shell, wherein a PCB is arranged in the lamp shell, LED lamp beads fixedly connected are arranged on the PCB, a combined lamp matched with the LED lamp beads is arranged on the outer side of each LED lamp bead, each combined lamp comprises an optical structure, and the optical structures of the PCB and the combined lamp are respectively fixedly connected with the lamp shell. The utility model discloses a LED lamp pearl cooperates with optical structure, and it is efficient to put light, and the grading performance is good, and life is longer, is applicable to the multiple operating mode in engineering machine tool field. The utility model discloses mainly used engineering machine tool's work illumination.

Description

LED combined lamp for engineering machinery

Technical Field

The utility model belongs to the engineering machine tool field, specifically speaking especially relates to a LED combination lamps and lanterns for engineering machine tool.

Background

With the development of energy saving and emission reduction technology and the requirement of special working conditions on the reliability of lighting systems, LEDs (light emitting diodes) are increasingly widely used due to their characteristics of energy saving, environmental protection, high light emitting efficiency, high shock resistance, long service life, and the like. At present, the working illumination mode of the engineering machinery is mainly a halogen lamp, and the problems of large heat generation quantity, low luminous efficiency, poor vibration resistance, high replacement frequency and the like exist.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the LED combined lamp for the engineering machinery is high in light emitting efficiency, good in light distribution performance and long in service life, and is suitable for multiple working conditions in the field of engineering machinery.

The LED combined lamp for the engineering machinery comprises a lamp shell, wherein a PCB is arranged in the lamp shell, LED lamp beads fixedly connected with the PCB are arranged on the PCB, a combined lamp matched with the LED lamp beads is arranged on the outer side of the LED lamp beads, the combined lamp comprises an optical structure, and the optical structures of the PCB and the combined lamp are respectively and fixedly connected with the lamp shell.

Further, still include the lamp mirror, lamp mirror and optical structure cooperation are equipped with the escutcheon between lamp mirror and the optical structure, escutcheon and lamp body fixed connection, and the lamp mirror passes through upper ledge and lamp body fixed connection.

Preferably, the combination lamp comprises a dipped headlight, a front position light, a high beam and a steering light, and the dipped headlight, the front position light, the high beam and the steering light are respectively provided with an optical structure.

Preferably, the optical structure of the dipped headlight comprises a varifocal ellipsoidal reflector, a first micro free-form-surface lens and a light shielding plate, wherein the light shielding plate is arranged between the varifocal ellipsoidal reflector and the first micro free-form-surface lens, and the first micro free-form-surface lens and the light shielding plate are fixedly connected with the varifocal ellipsoidal reflector respectively.

Preferably, the optical structure of the high beam adopts a second lens with a micro free-form surface.

Preferably, the optical structure of the front light is a light guide pillar or a light reflecting bowl.

Preferably, the optical structure of the turn signal lamp is a light guide column or a light reflecting bowl.

Preferably, the lamp housing is made of die-casting aluminum material, and the lamp housing is provided with integrally-formed heat dissipation fins.

Preferably, the PCB circuit board adopts a copper substrate, and a heat-conducting silicone grease coating is coated on the contact surface of the PCB circuit board and the lamp housing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model arranges the LED lamp beads on the PCB circuit board, and adopts the LED lamp beads as the luminous sources, so that the car lamp not only has energy saving and high efficiency, but also has longer service life;

2. different optical structures are respectively arranged on the dipped headlight, the front position light, the high beam light and the steering light, the utilization rate of light is improved to the maximum extent, the micro free-form surface lenses on the dipped headlight and the front position light have a light condensation effect, the light mirrors have a light distribution effect, the lenses are matched with the light mirrors to integrate light beams with dispersed energy, so that specified brightness can be achieved in an illumination demand area, and scattered light rays higher than the specified brightness are avoided being formed in a non-illumination demand area, so that a light type more suitable for engineering machinery requirements is formed;

3. the utility model discloses the radiating effect is good, and LED lamp pearl is cold light source, and it is higher to put light efficiency under low temperature state, therefore the utility model discloses add heat radiation fins on the lamp body, increased heat radiating area, the heat conduction silicone grease of coating between the PCB circuit board that the copper base plate was made and the casing, promoted the heat dispersion of LED lamp pearl, optimized luminous effect;

4. voltage stabilizing diodes are reversely connected in parallel in the PCB circuits of the dipped headlight, the front position light, the high beam light and the steering light, so that the failure of a single LED light source does not influence the normal work of other light sources; the input end is connected with a diode in series to realize the reverse connection prevention protection effect; the input end is connected with a TVS diode in parallel to realize lightning surge overvoltage protection; meanwhile, through the matching design of electric elements such as a filter capacitor and an inductor, a transient suppression circuit is optimized and improved, the stable and reliable work of the LED lamp bead is realized, and the international requirement of electromagnetic compatibility is met.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a schematic diagram of a low beam optical structure;

FIG. 4 is a schematic structural diagram of an optical structure of a high beam;

FIG. 5 is a schematic view of a front light;

FIG. 6 is a schematic view of a turn signal;

FIG. 7 is a schematic diagram of a low beam;

FIG. 8 is a schematic diagram of a high beam;

FIG. 9 is a schematic view of a front light;

fig. 10 is a schematic diagram of a turn-light lamp.

In the figure, 1, upper frame; 2. a lamp mirror; 3. an escutcheon; 4. a dipped headlight; 5. a front position light; 6. a high beam; 7. a PCB circuit board; 8. a lamp housing; 9. assembling the components; 10. a wire harness; 11. a turn signal light; 12. LED lamp beads; 13. heat dissipation fins; 41. a zoom ellipsoidal reflector; 42. a first micro free-form surface lens; 43. a visor; 61. and a second micro free-form surface lens.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

the first embodiment is as follows: as shown in fig. 1 and 2, the LED combined lamp for engineering machinery comprises a lamp housing 8, a PCB circuit board 7 is arranged in the lamp housing 8, a fixedly connected LED lamp bead 12 is arranged on the PCB circuit board 7, a combined lamp matched with the LED lamp bead 12 is arranged on the outer side of the LED lamp bead 12, the combined lamp comprises an optical structure, the optical structures of the PCB circuit board 7 and the combined lamp are respectively and fixedly connected with the lamp housing 8, the PCB circuit board 7 is electrically connected with the engineering machinery through a wiring harness 10, and the lamp housing 8 is fixedly connected with the engineering machinery through a final assembly 9.

Example two: the lamp is characterized by further comprising a lamp mirror 2, wherein the lamp mirror 2 is matched with the optical structure, an ornament frame 3 is arranged between the lamp mirror 2 and the optical structure, the ornament frame 3 is fixedly connected with a lamp shell 8, and the lamp mirror 2 is fixedly connected with the lamp shell 8 through an upper frame 1; the rest is the same as the first embodiment.

Example three: as shown in fig. 2, the combination lamp includes a dipped headlight 4, a front position light 5, a high beam light 6 and a turn signal light 11, the light housing 8 includes a left light housing and a right light housing, the turn signal light 11 is installed in the left light housing, the dipped headlight 4, the front position light 5 and the high beam light 6 are installed in the right light housing, and the dipped headlight 4, the front position light 5, the high beam light 6 and the turn signal light 11 are respectively provided with an optical structure;

as shown in fig. 3, the optical structure of the dipped headlight 4 includes a varifocal ellipsoidal reflector 41, a first micro free-form surface lens 42 and a light shielding plate 43, the light shielding plate 43 is disposed between the varifocal ellipsoidal reflector 41 and the first micro free-form surface lens 42, and the first micro free-form surface lens 42 and the light shielding plate 43 are respectively fixedly connected to the varifocal ellipsoidal reflector 41; as shown in fig. 4, the optical structure of the high beam 6 employs a second lens 61 with a micro free-form surface; as shown in fig. 5 and 6, the optical structures of the front light 5 and the turn light 11 are light guide columns or light reflecting bowls; the other steps are the same as those of the embodiment. The varifocal ellipsoidal reflector 41, the micro free-form surface lens, the light shielding plate 43, the light guide column and the light reflecting bowl are all in the prior art and are commercially available.

Because the LED lamp bead 12 is a cold light source, the light emitting efficiency is higher in a low-temperature state, and therefore, the requirement on the heat dissipation performance is higher, the utility model discloses during the preparation, the lamp body 8 adopts the die-casting aluminum material to make, sets up the integrated into one piece's heat radiation fins 13 on the lamp body 8, and the heat radiation fins 13 can increase the heat dissipation area; PCB circuit board 7 adopts the copper base plate, and copper base plate heat conduction is effectual, and the coating has heat conduction silicone grease coating on the contact surface of PCB circuit board 7 and lamp body 8 to the heat that makes LED lamp pearl 12 produce transmits for lamp body 8 rapidly, and dispels the heat through heat radiation fins 13, promotes LED lamp pearl 12's heat dispersion, optimizes luminous effect.

As shown in fig. 7 to 10, in the PCB circuits of the dipped headlight 4, the front position light 5, the high beam light 6 and the turn signal light 11, the zener diodes are connected in parallel in reverse, so that the failure of a single LED light source does not affect the normal operation of other light sources; the input end is connected with a diode in series to realize the reverse connection prevention protection effect; the input end is connected with a TVS diode in parallel to realize lightning surge overvoltage protection; meanwhile, through the matching design of electric elements such as a filter capacitor and an inductor, a transient suppression circuit is optimized and improved, the stable and reliable work of the LED lamp bead 12 is realized, and the international requirement of electromagnetic compatibility is met.

Claims

1. The utility model provides a LED combination lamps and lanterns for engineering machine tool, includes lamp body (8), its characterized in that: the LED lamp is characterized in that a PCB (printed circuit board) 7 is arranged in the lamp shell 8, LED lamp beads 12 fixedly connected are arranged on the PCB 7, a combined lamp matched with the LED lamp beads 12 is arranged on the outer side of the LED lamp beads 12, the combined lamp comprises an optical structure, and the optical structures of the PCB 7 and the combined lamp are fixedly connected with the lamp shell 8 respectively.

2. The LED combined lamp for the engineering machinery according to claim 1, wherein: still include lamp mirror (2), lamp mirror (2) and optical structure cooperation are equipped with between lamp mirror (2) and the optical structure escutcheon (3), escutcheon (3) and lamp body (8) fixed connection, and lamp mirror (2) are through upper ledge (1) and lamp body (8) fixed connection.

3. The LED combined lamp for the engineering machinery according to claim 1 or 2, wherein: the combined lamp comprises a dipped headlight (4), a front position light (5), a high beam light (6) and a steering light (11), wherein optical structures are respectively arranged on the dipped headlight (4), the front position light (5), the high beam light (6) and the steering light (11).

4. The LED combined lamp for the engineering machinery according to claim 3, wherein: the optical structure of the dipped headlight (4) comprises a zoom ellipsoidal reflector (41), a first micro free-form-surface lens (42) and a light shielding plate (43), wherein the light shielding plate (43) is arranged between the zoom ellipsoidal reflector (41) and the first micro free-form-surface lens (42), and the first micro free-form-surface lens (42) and the light shielding plate (43) are fixedly connected with the zoom ellipsoidal reflector (41) respectively.

5. The LED combined lamp for the engineering machinery according to claim 3, wherein: and the optical structure of the high beam (6) adopts a second micro free-form surface lens (61).

6. The LED combined lamp for the engineering machinery according to claim 3, wherein: the optical structure of the front position lamp (5) is a light guide column or a light reflecting bowl.

7. The LED combined lamp for the engineering machinery according to claim 3, wherein: the optical structure of the steering lamp (11) is a light guide column or a light reflecting bowl.

8. The LED combined lamp for the engineering machinery according to claim 1, wherein: the lamp shell (8) is made of die-cast aluminum materials, and the lamp shell (8) is provided with integrally-formed radiating fins (13).

9. The LED combined lamp for the engineering machinery according to claim 1, wherein: the PCB (7) adopts a copper substrate, and a heat-conducting silicone grease coating is coated on the contact surface of the PCB (7) and the lamp shell (8).