CN219933804U - LED lamp for engineering vehicle - Google Patents

Abstract

The utility model relates to an LED lamp for an engineering vehicle, which comprises a mask, a shell, a circuit board and lamp beads, wherein the mask is connected with the shell to form a sealed space; the outer side surface of the shell is recessed to form a plurality of radiating fins, drainage grooves are formed between every two adjacent radiating fins, and the inlet end and the outlet end of each drainage groove are positioned at the periphery of the shell; the radiating fins are of a bent or bent linear structure. The outer surface of casing is formed with radiating fin, radiating fin be crooked or the line column structure that the extension is buckled, so, through setting up radiating fin to crooked or the line column structure that the extension is buckled, for the radiating fin that is the straight line among the prior art, increased radiating fin's radiating area, and then improved the radiating effect of LED lamp for the engineering vehicle to can improve LED lamp result of use (light efficiency) and life for the engineering vehicle.

Description

LED lamp for engineering vehicle

Technical Field

The utility model relates to the technical field of lamps, in particular to an LED lamp for an engineering vehicle.

Background

The lamp is widely applied in daily life of people, such as an LED illuminating lamp applied to forklift trucks, tractors, special vehicles and other engineering vehicles.

The light efficiency and the service life of the LED lamp are greatly changed along with the change of temperature, and the light efficiency and the service life of the LED lamp are all in a decreasing trend along with the increase of the junction temperature of the LED. Therefore, heat dissipation is very important for the LED lamp, so that the effect and the service life of the LED are directly affected by the heat dissipation performance.

Structural design of traditional LED lamp for the heat dispersion of LED lamp is not good, seriously influences the result of use and the life of LED lamp.

Disclosure of Invention

Accordingly, it is necessary to provide an LED lamp for a construction vehicle capable of improving the heat dissipation effect to improve the use effect and the service life, in order to solve the problem that the heat dissipation effect of the LED lamp for the worker Cheng Cheliang is not good in the conventional art, and the use effect and the service life are affected.

The LED lamp for the engineering vehicle comprises a mask, a shell, a circuit board and lamp beads, wherein the mask is connected with the shell to form a sealed space, the circuit board and the lamp beads are arranged in the sealed space, and the lamp beads are arranged on the circuit board;

the heat dissipation device comprises a shell, a plurality of heat dissipation fins, a plurality of drainage grooves, a plurality of heat dissipation fins and a plurality of heat dissipation fins, wherein the heat dissipation fins are recessed on the outer side surface of the shell, drainage grooves are formed between every two adjacent heat dissipation fins, and an inlet end and an outlet end of each drainage groove are located at the periphery of the shell; the radiating fins are of a bent or bent linear structure.

Above-mentioned LED lamp for engineering vehicle, the surface of casing is formed with radiating fin, radiating fin be crooked or the line column structure that the extension of buckling, so, through setting up radiating fin into crooked or the line column structure that the extension of buckling, for the radiating fin that is the straight line in the prior art, increased radiating fin's radiating area, and then improved the radiating effect of LED lamp for engineering vehicle to can improve LED lamp result of use (light efficiency) and life for engineering vehicle. Meanwhile, drainage grooves are formed between every two adjacent radiating fins, and can guide air flow to the inlet end and the outlet end of the drainage grooves, so that air circulation is smooth, temperature can be reduced rapidly, light attenuation of the LED lamp is reduced, and service life of the LED lamp is prolonged.

In one embodiment, the radiating fins are curved structures extending in a bending manner.

In one embodiment, the shapes of every two adjacent radiating fins are matched, so that the width of each drainage groove from the inlet end to the outlet end is equal.

In one embodiment, the width of each of the drainage grooves at the inlet end and the outlet end is greater than the width at other positions.

In one embodiment, the LED lamp for an engineering vehicle includes a plurality of heat dissipation fin groups, all the heat dissipation fin groups are sequentially arranged at intervals in the circumferential direction of the housing, and openings formed by bending heat dissipation fins of each heat dissipation fin group are arranged opposite to the center of the housing.

In one embodiment, the LED lamp for an engineering vehicle includes four heat dissipation fin groups, and the four heat dissipation fin groups are arranged in pairs, wherein one pair of heat dissipation fin groups is oppositely arranged at two ends of the shell in a first direction, and the other pair of heat dissipation fin groups is oppositely arranged at two ends of the shell in a second direction; the first direction intersects the second direction;

the openings formed by bending the radiating fins in one radiating fin group in each pair of radiating fin groups are arranged opposite to the other radiating fin group.

In one embodiment, in the circumferential direction of the housing, the heat radiating fins located innermost in each adjacent two of the heat radiating fin groups are connected to each other or are shared with each other.

In one embodiment, the housing is formed from an aluminum alloy material.

In one embodiment, a heat dissipation structure is disposed in the sealed space, and the heat dissipation structure is used for dissipating heat of the circuit board.

In one embodiment, the heat dissipation structure includes a plurality of heat dissipation bars formed on an inner surface of the housing and spaced apart from each other.

Drawings

Fig. 1 is an exploded view of an LED lamp for an engineering vehicle according to an embodiment of the present utility model (the LED lamp in fig. 1 does not show a bead);

FIG. 2 is a front view of the LED lamp for the work vehicle shown in FIG. 1;

FIG. 3 is a rear view of the LED lamp for the work vehicle shown in FIG. 1;

fig. 4 is a side view of the LED lamp for the construction vehicle shown in fig. 1.

Reference numerals illustrate:

100. LED lamps for engineering vehicles; 10. a face mask; 20. a housing; 21. a bottom wall; 22. a sidewall; 23. a heat radiation fin; 24. drainage grooves; 25. a heat radiation fin group; 30. a circuit board; 40. a lamp bead; 50. a heat dissipation structure; 60. and (5) a bogie.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 and 2, an embodiment of the present utility model provides an LED lamp 100 for a construction vehicle, specifically, an LED lamp 100 for a high-power construction vehicle. Including mask 10 and shell 20. The mask 10 is covered on the shell 20 and forms a sealed space with the shell 20.

The LED lamp 100 for a construction vehicle further includes a circuit board 30 and a lamp bead 40, and the circuit board 30 and the lamp bead 40 are both disposed in the sealed space. The lamp beads 40 are mounted on the circuit board 30, and the circuit board 30 can control the lamp beads 40 to emit light, so that the LED lamp plays a role in illumination. Specifically, the LED lamp can be mounted in front of the engineering vehicle and used as a headlight of the engineering vehicle.

Specifically, referring to fig. 1 and 3, the housing 20 includes a bottom wall 21 and a side wall 22, the side wall 22 is connected to the bottom wall 21, the mask 10 is connected to the side wall 22, and the mask 10, the bottom wall 21 and the side wall 22 together form a hollow rectangular structure.

Further, referring to fig. 3 and 4, the outer surface of the housing 20 is recessed to form a plurality of heat dissipation fins 23, a drainage groove 24 is formed between every two adjacent heat dissipation fins 23, an inlet end and an outlet end of each drainage groove 24 are located at the periphery of the housing 20, and the heat dissipation fins 23 are in a bent or bent line-shaped structure. Specifically, the heat radiating fins 23 are formed on the bottom wall 21 of the housing 20. It should be understood that in other embodiments, the heat dissipating fins 23 may extend from the bottom wall 21 to the side wall 22 of the housing 20, which is not limited herein.

According to the LED lamp 100 for the engineering vehicle provided by the embodiment of the utility model, the radiating fins 23 are formed on the outer surface of the shell 20, and the radiating fins 23 are of the linear structure which is bent or bent and extended, so that the radiating area of the radiating fins 23 is increased compared with the radiating fins 23 which are linear in the prior art, and the radiating effect of the LED lamp 100 for the engineering vehicle is further improved, and the use effect (light effect) and the service life of the LED lamp 100 for the engineering vehicle can be improved. Meanwhile, the drainage grooves 24 are formed between every two adjacent radiating fins 23, and the drainage grooves 24 can guide air flow to the inlet end and the outlet end of the LED lamp, so that air circulation is smooth, temperature can be reduced rapidly, light attenuation of the LED lamp is reduced, and service life of the LED lamp is prolonged.

Here, the drainage groove 24 not only guides the airflow, but also guides the water flow so as to prevent the water flow from being accumulated on the LED lamp 100 for the engineering vehicle and entering the sealed space to damage the circuit board 30.

In some embodiments, the heat dissipation fins 23 are curved and extended arc structures to facilitate the processing of the heat dissipation fins 23. It is conceivable that in other embodiments, the heat dissipation fins 23 may be provided in a bent linear structure, which is not limited herein.

In some embodiments, the housing 20 is formed from an aluminum alloy material. The shell 20 is made of aluminum alloy, so that the weight of the shell 20 can be reduced, and the heat dissipation effect of the LED lamp 100 for the engineering vehicle can be further improved due to the fact that the aluminum alloy has good heat dissipation performance.

In some embodiments, the shape of each adjacent two of the heat dissipating fins 23 is matched such that the width of each of the drainage grooves 24 from the inlet end to the outlet end is equal. Thus, on the one hand, the processing of the heat radiating fins 23 is facilitated; on the other hand, the air flow is conveniently guided.

In other embodiments, the width of the inlet and outlet ends of each of the flow channels 24 is greater than the width of the other locations so that air flows into the flow channels 24 and out of the flow channels 24.

The LED lamp 100 for a construction vehicle includes a plurality of fin groups 25, all of the fin groups 25 being sequentially arranged at intervals in the circumferential direction of the housing 20, and openings formed by bending the fins 23 of each fin group 25 being disposed away from the center of the housing 20.

Here, the circumferential direction of the housing 20 means: the mask 10 and the bottom wall 21 are set to have a connecting line direction, and the circumferential direction is a surrounding direction surrounding the connecting line direction.

Above-mentioned setting, through setting up the LED lamp 100 for the engineering vehicle and including multiunit fin group 25, and all fin groups 25 are arranged at the circumference of casing 20 in proper order interval, and the opening that the bending of fin 23 of every group fin group 25 formed sets up in the central point of casing 20 dorsad, can increase the quantity of fin 23 to further improve the radiating effect of engineering vehicle LED lamp, and then improve the result of use and the life of LED lamp 100 for the engineering vehicle.

In one embodiment, the LED lamp 100 for a construction vehicle includes four heat radiating fin groups 25, and the four heat radiating fin groups 25 are arranged in pairs. One pair of the heat dissipation fin groups 25 is oppositely arranged at two ends of the shell 20 in the first direction, and the other pair of the heat dissipation fin groups 25 is oppositely arranged at two ends of the shell 20 in the second direction. The first direction intersects the second direction, in particular, the first direction is perpendicular to the second direction. In one embodiment, when the LED lamp 100 for a construction vehicle is of a hollow rectangular parallelepiped structure, the first direction is a longitudinal direction of the housing 20, i.e., a left-right direction in fig. 3, and the second direction is a width direction of the housing 20, i.e., an up-down direction in fig. 3.

With the above arrangement, the LED lamp 100 for the engineering vehicle can be ensured to have a good heat radiation effect in the case where the number of the heat radiation fins 23 is small and the processing is convenient.

It should be understood that in other embodiments, the number of the fin groups 25 included in the LED lamp 100 for a construction vehicle is not limited, and for example, the LED lamp 100 for a construction vehicle may further include 5 or 6 fin groups 25.

Alternatively, with continued reference to fig. 3, when the LED lamp 100 for an engineering vehicle includes four of the heat radiating fin groups 25, each of the two heat radiating fin groups 25 disposed in the first direction includes 6 heat radiating fins 23, one of the two heat radiating fin groups 25 disposed in the second direction includes 3 heat radiating fins 23, and the other heat radiating fin group 25 includes 2 heat radiating fins 23.

Further, in the circumferential direction of the housing 20, the heat radiating fins 23 located at the innermost side in each adjacent two sets of heat radiating fin groups 25 are connected to each other or are shared with each other. In this way, the structural arrangement of the housing 20 is simplified while further ensuring the heat radiation effect.

In some embodiments, with continued reference to fig. 1, a heat dissipating structure 50 is disposed in the sealed space, and the heat dissipating structure 50 contacts the circuit board 30 to be capable of conducting heat to the housing 20. In this way, the heat radiation fin 23 provided on the outer surface of the housing 20 is engaged with the heat radiation structure 50, thereby further improving the heat radiation effect of the LED lamp 100 for a heat radiation construction vehicle.

Further, the heat dissipation structure 50 includes a plurality of heat dissipation bars formed on the inner surface of the housing 20 to be spaced apart from each other, so that the heat dissipation performance of the LED lamp 100 for the engineering vehicle is improved by increasing the heat dissipation area.

In other embodiments, the heat dissipation structure 50 may be disposed in other manners, such as by providing the heat dissipation structure 50 itself with a heat absorbing material capable of absorbing heat generated by the circuit board 30.

Further, with continued reference to fig. 1-4, the LED lamp 100 for the work vehicle further includes a bogie 60, and the housing 20 is connected to the bogie 60 and is rotatable relative to the bogie 60. Thus, when the LED lamp 100 for a construction vehicle is mounted on an external structure (such as a vehicle body), a force can be applied to the housing 20 to adjust the angle thereof with respect to the bogie 60, thereby adjusting the angle of the lamp beads 40, and further changing the irradiation angle of the LED lamp 100 for a construction vehicle, so as to meet the working condition requirements.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The LED lamp for the engineering vehicle is characterized by comprising a mask (10), a shell (20), a circuit board (30) and lamp beads (40), wherein the mask (10) is connected with the shell (20) to form a sealed space, the circuit board (30) and the lamp beads (40) are arranged in the sealed space, and the lamp beads (40) are arranged on the circuit board (30);

the outer side surface of the shell (20) is recessed to form a plurality of radiating fins (23), drainage grooves (24) are formed between every two adjacent radiating fins (23), and the inlet end and the outlet end of each drainage groove (24) are located at the periphery of the shell (20); the radiating fins (23) are of a bent or bent linear structure.

2. The LED lamp for a construction vehicle according to claim 1, wherein the heat radiating fin (23) has a curved and extended arc-like structure.

3. The LED lamp for a construction vehicle according to claim 1, wherein the shape of each adjacent two of the heat radiating fins (23) is matched so that the width of each of the drainage grooves (24) from the inlet end to the outlet end is equal.

4. The LED lamp for a construction vehicle according to claim 1, wherein the width of each of the drainage grooves (24) at the inlet end and the outlet end is larger than that at other positions.

5. The LED lamp for a construction vehicle according to claim 1, wherein the LED lamp for a construction vehicle comprises a plurality of heat radiating fin groups (25), all of the heat radiating fin groups (25) are sequentially arranged at intervals in a circumferential direction of the housing (20), and openings formed by bending the heat radiating fins (23) of each of the heat radiating fin groups (25) are provided opposite to a center position of the housing (20).

6. The LED lamp for a construction vehicle according to claim 5, wherein the LED lamp for a construction vehicle comprises four sets of the heat radiating fin groups (25), the four sets of the heat radiating fin groups (25) being provided in pairs, wherein one pair of the heat radiating fin groups (25) is provided opposite to both ends of the housing (20) in a first direction, and the other pair of the heat radiating fin groups (25) is provided opposite to both ends of the housing (20) in a second direction; the first direction intersects the second direction;

openings formed by bending the radiating fins (23) in one radiating fin group (25) in each pair of radiating fin groups (25) are arranged opposite to the other radiating fin group (25).

7. The LED lamp for a construction vehicle according to claim 6, wherein the heat radiating fins (23) located innermost in each adjacent two of the heat radiating fin groups (25) are connected to each other or are shared with each other in the circumferential direction of the housing (20).

8. The LED lamp for engineering vehicles according to claim 1, wherein the housing (20) is formed of an aluminum alloy material.

9. The LED lamp for engineering vehicles according to claim 1, wherein a heat dissipation structure (50) is provided in the sealed space, and the heat dissipation structure (50) is used for heat dissipation of the circuit board (30).

10. The LED lamp for a construction vehicle according to claim 9, wherein the heat dissipating structure (50) comprises a plurality of heat dissipating strips formed on an inner surface of the housing (20) and spaced apart from each other.