CN220851873U - Lamp and car lamp assembly - Google Patents

Abstract

The utility model provides a lamp and a car lamp assembly, which relates to the field of lighting equipment, wherein the lamp comprises a heat dissipation shell, a power supply connecting plate, a driving plate assembly, a lamp base plate provided with lamp beads and a fan, wherein the shell of the fan is arranged in the heat dissipation shell; the power supply connection plate, the driving plate assembly, the shell of the fan and the lamp base plate are sequentially connected from back to front along the same axial direction; the blades of the fan rotate in a plane vertical to the axial direction so as to guide the wind direction rear side of the axial front side; wherein: the heat radiation shell is provided with an air inlet communicated with the cavity in the heat radiation shell at the front side of the shell of the fan, an air outlet at the rear side of the shell of the fan and at the front side of the lamp base plate, and a side opening at the position of the heat radiation shell corresponding to the lamp bead; the car light assembly comprises the lamp. The utility model relieves the technical problem of poor heat dissipation effect of the car lamp in the prior art.

Description

Lamp and car lamp assembly

Technical Field

The utility model relates to the technical field of lighting equipment, in particular to a lamp and car lamp assembly.

Background

A lamp is a device for lighting a vehicle, and is an important component of the vehicle. The existing car lamp mainly comprises a heat dissipation shell, a power supply connecting plate, a driving plate assembly and a lamp base plate provided with lamp beads, wherein a plug is arranged on one side of the power supply connecting plate; the power supply connection plate is fixedly connected to the heat dissipation shell, and the plug of the power supply connection plate is positioned outside the heat dissipation shell; the drive plate assembly and the lamp base plate are arranged inside the heat dissipation shell, the power supply connection plate and the lamp base plate are respectively and electrically connected to the drive plate assembly, and the lamp beads are arranged on the lamp base plate. When in use, the power is supplied to the driving plate assembly through the plug on the power supply connecting plate, the driving plate component converts the electric energy and transmits the electric energy to the lamp bead substrate to enable the lamp beads to emit light.

In the existing structure, for heat dissipation, a fan is additionally arranged outside a heat dissipation shell to blow to the heat dissipation shell, the fan promotes air flow, and heat dissipation of a heat dissipation shell is promoted, but the overall size of the car lamp is increased by the structure, so that the car lamp is heavy, the car lamp assembly is large in occupied space, the production and assembly of the car lamp assembly are complex, the fan is arranged outside the heat dissipation shell, the heat dissipation effect is poor, particularly, the heat dissipation effect is very little for a driving plate assembly inside the heat dissipation shell, and the problem that an inner control circuit of the car lamp is easy to overheat and damage exists.

Disclosure of utility model

The utility model aims to provide a lamp and a lamp assembly so as to solve the technical problem that the heat dissipation effect of a lamp is poor in the prior art.

In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:

In a first aspect, an embodiment of the present utility model provides a lamp, including a heat dissipation housing, a power supply connection board, a driving board assembly, and a lamp base board mounted with lamp beads; a plug is arranged on one side of the power supply connecting plate; the power supply connecting plate is fixedly connected to the heat dissipation shell, and the plug of the power supply connecting plate is positioned outside the heat dissipation shell; the driving plate assembly and the lamp base plate are arranged inside the heat dissipation shell, the power supply connecting plate and the lamp base plate are respectively and electrically connected to the driving plate assembly, and the lamp beads are arranged on the lamp base plate;

Wherein:

The lamp also comprises a fan, wherein the fan comprises a shell with a hollowed-out area, blades arranged in the shell and a blade driving assembly used for driving the blades to rotate, and the shell of the fan is arranged in the heat dissipation shell; the power supply connection plate, the driving plate assembly, the fan shell and the lamp base plate are sequentially connected from back to front along the same axial direction; the blades of the fan rotate in a plane perpendicular to the axial direction so as to guide the wind direction rear side of the axial upper front side;

The heat radiation shell is provided with an air inlet communicated with the cavity in the heat radiation shell at the front side of the shell of the fan, an air outlet is arranged at the rear side of the shell of the fan and at the front side of the lamp base plate, and a side opening is further arranged at the position, corresponding to the lamp beads, of the heat radiation shell.

In the embodiment, the light emitted by the lamp beads is transmitted to the outside through the side openings on the heat dissipation shell, which correspond to the positions of the lamp beads; in the use, utilize drive plate subassembly start-up fan, make external air enter into the heat dissipation shell inside through the air inlet, promote the inside hot air of heat dissipation shell through the gas vent exhaust simultaneously, promote the inside and outside air flow of heat dissipation shell, not only can dispel the heat through heat dissipation shell itself, can also dispel the heat through the mode that promotes the inside and outside air flow of heat dissipation shell, in addition, because the air inlet is located the position of the shell front side of fan on the heat dissipation shell, the gas vent is located the shell rear side of fan and is located the front side position of lamp base plate, thereby, when the fan starts, a portion of air current also can the drunkenness flow to the drive plate subassembly position of fan shell front side, take away the heat of a portion of drive plate subassembly, the radiating effect is better, circulate suction and exhaust air under the effect of fan, the circulation cooling, make lamps and lanterns service power more stable, lamps and lanterns life is longer.

In an alternative implementation manner of this embodiment, it is preferable that the air inlet includes at least one group, and each group of air inlets includes at least two elongated slot structures that are spaced apart from each other along the axial direction and penetrate through a side wall of the heat dissipation casing; and a baffle is arranged between part or all of adjacent long groove structures of each group of air inlets, one end of the baffle is connected to the inner wall of the heat dissipation shell, the other end of the baffle extends to the driving plate assembly, a gas flow gap exists between the baffle and the side wall of the driving plate assembly, and the baffle is used for guiding air flow entering the heat dissipation shell from the long groove structure at the rear side of the baffle to flow backwards and then flow forwards from the gas flow gap.

In an optional implementation manner of this embodiment, preferably, a group of the lamp beads are respectively disposed on two opposite side surfaces of the lamp substrate, and a group of the air inlets and the air outlets are respectively disposed on two opposite side surfaces of the heat dissipation housing; when the fan is started, the lamp beads at two sides of the lamp base plate are all provided with air flow.

Further preferably, the number of the lamp beads in each group is two, and the lamp beads are arranged at intervals along the axial direction.

Still further preferably, two low beam contact points and two high beam contact points are disposed on the lamp substrate, wherein two lamp beads are electrically connected with the high beam contact points, and the other two lamp beads are electrically connected with the low beam contact points, and the low beam contact points and the high beam contact points are parallel connected in the driving circuit of the driving board assembly.

In an alternative implementation of the present embodiment, it is preferable that the power supply board, the driving board assembly, the housing of the fan, and the lamp base plate are welded to each other.

In an alternative implementation manner of the present embodiment, more preferably, the heat dissipation casing includes a first docking casing and a second docking casing that are disposed opposite to each other; the first butt joint shell is fixedly connected with the second butt joint shell through bolts.

Still preferably, the second docking housing is further provided with a positioning column, the first docking housing and the lamp substrate are respectively provided with a positioning hole corresponding to the positioning column, and the positioning column passes through the positioning hole on the lamp substrate and then is inserted into the positioning hole on the first docking housing.

In an alternative implementation manner of this embodiment, preferably, a refraction portion is disposed at a front portion of the heat dissipation housing, and the refraction portion is located in front of the lamp bead and has a refraction effect on light.

In a second aspect, an embodiment of the present utility model provides a vehicle lamp assembly, including a lamp as set forth in any one of the foregoing embodiments.

Because the car lamp assembly provided by the embodiment of the utility model comprises the lamp provided by the first aspect, the car lamp assembly provided by the embodiment of the utility model can achieve all the beneficial effects achieved by the lamp provided by the first aspect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of the overall structure of a lamp according to an embodiment of the present utility model at a first pivot angle;

FIG. 2 is an exploded view of the overall structure of the lamp according to the embodiment of the present utility model at a second axial viewing angle;

FIG. 3 is an exploded view of a portion of a structure of a lamp according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a portion of a lamp according to an embodiment of the present utility model;

Fig. 5 is an overall structural assembly schematic diagram of a lamp provided in an embodiment of the present utility model under a viewing angle;

Fig. 6 is an overall structure assembly schematic diagram of a lamp according to an embodiment of the present utility model under another view angle;

FIG. 7 is a schematic diagram of a connection structure of a driving board assembly, a fan and a lamp base plate in a lamp provided by the utility model;

Fig. 8 is a bottom view of the present utility model.

Icon: 1-a power supply connection plate; 2-a drive plate assembly; 3-a lamp base plate; 4-lamp beads; 5-a fan; 6-air inlet; 7-an exhaust port; 8-baffle plates; 9-a first docking housing; 10-a second docking housing; 11-bolts; 12-a threaded hole; 13-positioning columns.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters designate like items in the drawings, and thus once an item is defined in one drawing, no further definition or explanation thereof is necessary in the subsequent drawings.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "front", "rear", "axial", "perpendicular", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Example 1

The present embodiment provides a lamp, referring to fig. 1 to 8, which includes a heat dissipation case, a power supply connection plate 1, a driving plate assembly 2, and a lamp base plate 3 mounted with lamp beads 4; a plug is arranged on one side of the power supply connecting plate 1; the power supply connection plate 1 is fixedly connected to the heat dissipation shell, and the plug of the power supply connection plate is positioned outside the heat dissipation shell; the driving plate assembly 2 and the lamp base plate 3 are arranged inside the heat dissipation shell, the power supply connecting plate 1 and the lamp base plate 3 are respectively and electrically connected to the driving plate assembly 2, and the lamp beads 4 are arranged on the lamp base plate 3;

Wherein:

Referring to fig. 1 to 8, the lamp provided in this embodiment further includes a fan 5, where the fan 5 includes a housing having a hollowed-out area, blades disposed inside the housing, and a blade driving assembly for driving the blades to rotate, and the housing of the fan 5 is mounted inside the heat dissipation housing; the power supply connection plate 1, the driving plate assembly 2, the shell of the fan 5 and the lamp base plate 3 are sequentially connected from back to front along the same axial direction; the blades of the fan 5 rotate in a plane perpendicular to the aforementioned axial direction to guide the wind direction rear side of the axial front side; on the heat dissipation shell, the part at the front side of the shell of the fan 5 is provided with an air inlet 6 communicated with the inner cavity of the heat dissipation shell, the part at the rear side of the shell of the fan 5 and at the front side of the lamp base plate 3 is provided with an air outlet 7, and the part on the heat dissipation shell corresponding to the lamp beads 4 is also provided with a side opening.

In this embodiment, the light emitted by the lamp beads 4 is transmitted to the outside through the side openings on the heat dissipation shell corresponding to the positions of the lamp beads 4; in the use, utilize driving plate subassembly 2 start fan 5, make outside air enter into the heat dissipation shell inside through air inlet 6, promote the inside hot air of heat dissipation shell through the exhaust port 7 discharge simultaneously, promote the inside and outside air flow of heat dissipation shell, not only can dispel the heat through the heat dissipation shell itself, can also dispel the heat through the mode that promotes the inside and outside air flow of heat dissipation shell, in addition, because air inlet 6 is located the position of the shell front side of fan 5 on the heat dissipation shell, exhaust port 7 is located the shell rear side of fan 5 and is located the front side position of lamp base plate 3, thereby when fan 5 starts, a portion of air current also can flow to the driving plate subassembly 2 position of fan 5 shell front side, take away the heat of a portion driving plate subassembly 2, the radiating effect is better, circulate the suction and discharge air under the effect of fan 5, the circulation cooling, make lamps and lanterns service power more stable, lamps and lanterns life are longer.

With continued reference to fig. 1-8, in an alternative implementation of the present embodiment, it is preferred that the air inlets 6 comprise at least one group, each group of air inlets 6 comprising at least two elongated slot structures axially spaced from each other and extending through the side walls of the heat dissipating housing; a baffle plate 8 is arranged between part or all of adjacent long groove structures of each group of air inlets 6, one end of the baffle plate 8 is connected to the inner wall of the heat dissipation shell, the other end of the baffle plate 8 extends to the driving plate assembly 2, a gas flow gap exists between the baffle plate 8 and the side wall of the driving plate assembly 2, and the baffle plate 8 is used for guiding air flow entering the heat dissipation shell from the long groove structure positioned at the rear side of the baffle plate 8 to flow backwards first and then flow forwards from the gas flow gap.

Due to the blocking of the baffle plate 8, the outside air is divided into two parts when entering the inside of the heat dissipation shell through the air inlet 6, one part is cold air positioned at the front side of the baffle plate 8, and the cold air is directly blown onto the lamp substrate 3 and the lamp beads 4 through the air outlet 7 after entering the inside of the heat dissipation shell, so that the temperature of the lamp substrate 3 is reduced; the other part is cold air positioned at the rear side of the baffle plate 8, and the cold air firstly flows backwards to blow onto the driving plate assembly 2 after entering the inside of the heat dissipation shell, then flows forwards from the air flow gap to be discharged through the air outlet 7, and the air is blown onto the driving plate assembly 2 to dissipate heat and cool the driving plate assembly 2; the double-path airflow heat dissipation ensures the heat dissipation effect of the driving plate assembly 2 and the lamp base plate 3, can conduct integral heat dissipation and temperature reduction on the lamp, and improves the reliability of the lamp in the use process; and, the air inlet 6 is formed by the long groove structure, so that the large-particle impurities in the outside air can be prevented from entering the heat dissipation shell.

As shown in fig. 1, 2 and 8, in an alternative implementation manner of the present embodiment, it is preferable that a group of lamp beads 4 are respectively disposed on two opposite side surfaces of the lamp substrate 3, and a group of air inlets 6 and air outlets 7 are respectively disposed on two opposite side surfaces of the heat dissipation housing; so that when the fan 5 is started, the lamp beads 4 on both sides of the lamp base plate 3 have air flow. Preferably, the number of the lamp beads 4 in each group is two, and the lamp beads are arranged at intervals along the axial direction. Further preferably, two low beam contact points and two high beam contact points are arranged on the lamp base plate 3, wherein two lamp beads 4 are electrically connected with the high beam contact points, the other two lamp beads 4 are electrically connected with the low beam contact points, and the low beam contact points and the high beam contact points are connected in parallel in a driving circuit of the driving board assembly 2. The high beam lamp beads and the low beam lamp beads can be switched to be lightened by setting the brightness intensity of the lamp beads 4 electrically connected with the high beam contact point to be larger than the brightness intensity of the lamp beads 4 electrically connected with the low beam contact point; the same lamp beads can be arranged, but shielding plates with different shapes are respectively arranged on the heat dissipation shell to integrate the light rays of the low beam lamp beads and the light rays of the high beam lamp beads, and the high beam lamp beads and the low beam lamp beads are switched to be lightened.

In the alternative implementation manner of this embodiment, more preferably, the power board 1, the driving board assembly 2, the housing of the fan 5 and the lamp base plate 3 are welded to each other, and the whole can be directly mounted inside the heat dissipation housing after being welded during production and assembly, so that the production process is simpler, and the improvement of the production efficiency is facilitated.

In an alternative implementation of the present embodiment, it is preferable that the heat dissipation case includes a first docking case 9 and a second docking case 10 disposed opposite to each other; the first butt joint casing 9 and the second butt joint casing 10 are respectively provided with the threaded holes 12 so that the first butt joint casing 9 and the second butt joint casing are fixedly connected through the bolts 11, and the screw bolt has the effects of being simple in assembly, high in production efficiency, convenient to detach and convenient to maintain.

Further preferably, the second docking housing 10 is further provided with a positioning column 13, the first docking housing 9 and the lamp substrate 3 are respectively provided with a positioning hole corresponding to the positioning column 13, and the positioning column 13 penetrates through the positioning hole on the lamp substrate 3 and then is inserted into the positioning hole on the first docking housing 9, so that the assembly convenience is improved as an assembly guiding structure, the assembly efficiency is improved, and meanwhile, the assembly precision is improved.

In an alternative implementation manner of the embodiment, preferably, a refraction portion is provided at the front portion of the heat dissipation housing, the refraction portion is located in front of the lamp bead 4, the refraction portion has a refraction effect on light, the shape of the refraction portion can take various shapes, and the shape of the refraction portion in the embodiment takes an arc shape; the light rays passing through the arc-shaped refraction part on the heat dissipation shell are refracted, so that the emitted light rays are more attractive.

In addition, in an alternative implementation manner of this embodiment, the heat dissipation casing may be made of multiple materials, and in this embodiment, the heat dissipation casing is made of aluminum.

Example two

The present embodiment provides a vehicle lamp assembly, including a lamp provided by any one of the alternative embodiments of the first embodiment.

Since the lamp assembly provided in the present embodiment includes the lamp described in the first embodiment, the lamp assembly provided in the present embodiment can achieve all the beneficial effects achieved by the lamp in the first embodiment, and the specific structure and the effects that can be achieved can be obtained by referring to each optional or preferred implementation manner in the first embodiment.

Finally, it should be noted that:

1. The lamp provided by the embodiment not only can be applied to vehicles, but also can be applied to other lighting scenes;

2. in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are only required to be seen with each other; the above embodiments in the present specification are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. A lamp comprises a heat dissipation shell, a power supply connecting plate (1), a driving plate assembly (2) and a lamp base plate (3) provided with lamp beads (4); a plug is arranged on one side of the power supply connecting plate (1); the power supply connection plate (1) is fixedly connected to the heat dissipation shell, and the plug of the power supply connection plate is positioned outside the heat dissipation shell; the driving plate assembly (2) and the lamp base plate (3) are arranged inside the heat dissipation shell, the power supply connecting plate (1) and the lamp base plate (3) are respectively and electrically connected to the driving plate assembly (2), and the lamp beads (4) are arranged on the lamp base plate (3);

The method is characterized in that:

The lamp also comprises a fan (5), wherein the fan (5) comprises a shell with a hollowed-out area, blades arranged in the shell and a blade driving assembly used for driving the blades to rotate, and the shell of the fan (5) is arranged in the heat dissipation shell; the power supply connection plate (1), the driving plate assembly (2), the shell of the fan (5) and the lamp base plate (3) are sequentially connected from back to front along the same axial direction; the blades of the fan (5) rotate in a plane perpendicular to the axial direction so as to guide the wind direction rear side of the axial upper front side; wherein:

The heat radiation shell is characterized in that an air inlet (6) communicated with the inner cavity of the heat radiation shell is arranged at the front side of the shell of the fan (5), an air outlet (7) is arranged at the rear side of the shell of the fan (5) and at the front side of the lamp base plate (3), and a side opening is further formed in the heat radiation shell and corresponds to the lamp beads (4).

2. A light fixture as recited in claim 1, wherein: the air inlets (6) comprise at least one group, and each group of air inlets (6) comprises at least two long groove structures which are mutually spaced along the axial direction and penetrate through the side wall of the heat dissipation shell; and a baffle plate (8) is arranged between part or all of adjacent long groove structures of each group of air inlets (6), one end of the baffle plate (8) is connected to the inner wall of the heat dissipation shell, the other end of the baffle plate extends to the driving plate assembly (2) and a gas flow gap exists between the baffle plate and the side wall of the driving plate assembly (2), and the baffle plate (8) is used for guiding air flow entering the heat dissipation shell from the long groove structure at the rear side of the baffle plate (8) to flow backwards and then flow forwards from the gas flow gap.

3. A light fixture as recited in claim 1, wherein: a group of lamp beads (4) are respectively arranged on the two opposite side surfaces of the lamp base plate (3), and a group of air inlets (6) and air outlets (7) are respectively arranged on the two opposite side surfaces of the heat dissipation shell; when the fan (5) is started, the lamp beads (4) on two sides of the lamp base plate (3) are all provided with air flow.

4. A light fixture as recited in claim 3, wherein: the number of the lamp beads (4) in each group is two, and the lamp beads are arranged at intervals along the axial direction.

5. A light fixture as recited in claim 4, wherein: two low beam contact points and two high beam contact points are arranged on the lamp base plate (3), wherein two lamp beads (4) are electrically connected with the high beam contact points, the other two lamp beads (4) are electrically connected with the low beam contact points, and the low beam contact points and the high beam contact points are connected in parallel in a driving circuit of the driving plate assembly (2).

6. A light fixture as recited in claim 1, wherein: the power supply connection plate (1), the driving plate assembly (2), the housing of the fan (5) and the lamp base plate (3) are welded with each other.

7. A light fixture as recited in claim 1, wherein: the heat dissipation shell comprises a first butt joint shell (9) and a second butt joint shell (10) which are oppositely arranged; the first butt joint shell (9) is fixedly connected with the second butt joint shell (10) through bolts (11).

8. A light fixture as recited in claim 7, wherein: and the second butt joint shell (10) is also provided with a positioning column (13), the first butt joint shell (9) and the lamp base plate (3) are respectively provided with positioning holes corresponding to the positioning column (13), and the positioning column (13) penetrates through the positioning holes on the lamp base plate (3) and then is inserted into the positioning holes on the first butt joint shell (9).

9. A light fixture as recited in claim 1, wherein: the front part of the heat dissipation shell is provided with a refraction part, the refraction part is positioned in front of the lamp beads (4), and the refraction part has a refraction effect on light rays.

10. A vehicle lamp assembly comprising a lamp as claimed in any one of claims 1 to 9.