Heat dissipation assembly of vehicle lamp, vehicle lamp and vehicle

Abstract

The utility model discloses a heat dissipation assembly of a car lamp, the car lamp and a car, the heat dissipation assembly comprises a radiator, the radiator comprises a heat exchange surface and heat dissipation fins, one side of the heat exchange surface is used for being connected with a lighting module of the car lamp, and the other side of the heat exchange surface is provided with the heat dissipation fins; the fan is located on the side, away from the lighting module, of the radiator, and the fan is obliquely arranged relative to the heat exchange face and inclines towards a light source of the lighting module. The fan is additionally arranged and obliquely arranged, so that the fan faces the light source, under the action of the fan, more airflow is close to the light source area, cooling fins of the light source area can fully make contact with cold air sent out by the fan, and the cooling effect of the area close to the light source is better; meanwhile, as the fan is obliquely arranged, the radiation range formed by airflow formed by the fan is gradually narrowed under the blocking effect of the heat exchange surface in the flowing process, the airflow flowing speed is increased, heat exchange is enhanced, the heat dissipation efficiency of the heat dissipation assembly on the lighting module is improved, and the heat exchange effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamps, in particular to a heat dissipation component of a lamp, a lamp and a vehicle. Background Art

[0002] For vehicle lights, a lot of heat will be generated during the long-term operation of the lighting module. If the heat cannot be dissipated in time, the use of the vehicle lighting module will be affected. Based on this, the current vehicle lights will connect the lighting module with a radiator, and the heat dissipation of the lighting module of the vehicle lights is achieved through the fit between the radiator and the lighting module, thereby ensuring the normal use of the lighting module.

[0003] As the performance requirements of lighting modules become higher and higher, conventional heat sinks can no longer meet the heat dissipation needs of lighting modules, and additional fans are needed to assist the heat sink in dissipating the heat of the lighting modules.

[0004] At present, it is common to arrange the fan parallel to the fins of the radiator, and accelerate the heat exchange of the fins through the rotation of the fan, thereby improving the heat dissipation effect of the radiator. However, since the fan has the same effect on all parts of the fins in the horizontal direction during the blowing process, and the temperature of the fins close to the lighting module is higher than that of the side far from the lighting module, the existing heat dissipation method cannot perform targeted heat dissipation according to the temperature difference, resulting in low heat dissipation efficiency.

[0005] Therefore, how to provide a heat dissipation component for a vehicle lamp and improve the heat dissipation efficiency is a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0006] In view of this, the utility model provides a heat dissipation component of a vehicle lamp to improve heat dissipation efficiency. In addition, the utility model also provides a vehicle lamp and a vehicle having the heat dissipation component.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A heat dissipation component of a vehicle lamp, comprising:

[0009] A radiator, the radiator comprising a heat exchange surface and heat dissipation fins, one side of the heat exchange surface is used to connect with the lighting module of the vehicle lamp, and the other side is provided with the heat dissipation fins;

[0010] A fan is located at a side of the heat sink away from the lighting module, and the fan is arranged obliquely relative to the heat exchange surface and inclined toward the light source of the lighting module.

[0011] Preferably, in the above-mentioned heat dissipation assembly of the vehicle lamp, the fan is located below the heat dissipation fins;

[0012] Alternatively, the fan is located above the heat dissipation fins.

[0013] Preferably, in the above-mentioned heat dissipation assembly of the vehicle lamp, the inclination angle of the fan relative to the heat exchange surface is 15°-30°.

[0014] Preferably, in the heat dissipation assembly of the vehicle lamp, the light source is arranged in the middle of the lighting module.

[0015] and / or,

[0016] The arrangement density of the heat dissipation fins on the heat exchange surface close to the corresponding position of the light source is greater than the arrangement density far from the corresponding position of the light source.

[0017] Preferably, in the heat dissipation assembly of the above-mentioned vehicle lamp, the thickness of the heat dissipation fins close to the position corresponding to the light source is greater than the thickness of the heat dissipation fins far from the position corresponding to the light source;

[0018] and / or,

[0019] The distance between adjacent heat dissipation fins close to the corresponding position of the light source is smaller than the distance between adjacent heat dissipation fins far from the corresponding position of the light source.

[0020] Preferably, in the above-mentioned heat dissipation assembly of the vehicle lamp, the fan is detachably connected to the radiator.

[0021] Alternatively, the fan is detachably connected to the housing of the vehicle lamp.

[0022] Preferably, in the above-mentioned heat dissipation assembly of the vehicle lamp, the fan and the radiator are connected by at least one of a snap connection, an adhesive connection and a threaded connection.

[0023] Preferably, in the above-mentioned heat dissipation assembly of the vehicle lamp, the fan comprises:

[0024] A fan body, wherein the fan body is provided with fan blades and is connected to the power supply device through a cable;

[0025] The fan bracket is rotatably mounted on the fan bracket, and the fan body is tilted relative to the heat exchange surface toward the light source of the lighting module, and when the fan body is tilted, the fan body can be locked relative to the fan bracket.

[0026] A vehicle lamp, comprising a lighting module, a heat dissipation component and a housing, wherein the heat dissipation component is any of the heat dissipation components described above;

[0027] and / or,

[0028] The shell has an air inlet and an air outlet, and the fan is close to the air inlet.

[0029] A vehicle comprises a headlight, wherein the headlight is the headlight described above.

[0030] The utility model discloses a heat dissipation component of a vehicle lamp, which increases a fan and arranges the fan at an angle so that the fan faces the light source. Under the action of the fan, the airflow is closer to the light source area, and the heat dissipation fins in the light source area can fully contact with the cold air delivered by the fan, so that the heat dissipation effect close to the light source area is better; at the same time, due to the inclined arrangement of the fan, the airflow formed by the fan gradually narrows the radiation range during the flow process under the blocking effect of the heat exchange surface, which is beneficial to increase the airflow velocity, strengthen heat exchange, and improve the heat dissipation efficiency of the heat dissipation component to the lighting module, thereby further improving the heat exchange effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 It is a structural schematic diagram of a heat sink and a lighting module disclosed in the prior art;

[0033] Figure 2 A front cross-sectional view of the assembled heat sink and lighting assembly disclosed in the prior art;

[0034] Figure 3 It is a schematic diagram of the structure after the lighting assembly and the heat dissipation assembly disclosed in the embodiment of the utility model are assembled;

[0035] Figure 4 It is a side view of the lighting assembly and the heat dissipation assembly disclosed in the embodiment of the utility model after being assembled;

[0036] Figure 5 It is a schematic diagram of the structure in another direction after the lighting assembly and the heat dissipation assembly disclosed in the embodiment of the utility model are assembled;

[0037] Figure 6 It is a structural schematic diagram of a fan disclosed in an embodiment of the utility model;

[0038] Figure 7 It is a side view of the fan disclosed in the embodiment of the utility model;

[0039] Figure 8It is a front cross-sectional view of the lighting assembly and the heat dissipation assembly disclosed in the embodiment of the utility model after assembly;

[0040] Among them, 01 is the lighting module, 02 is the heat sink, and 03 is the fan;

[0041] 1 is the lighting module, 2 is the heat sink, and 3 is the fan;

[0042] 11 is a light source, 21 is a heat exchange surface, 22 is a heat dissipation fin, 23 is a connecting column, 31 is a fan body, 32 is a fan bracket, and 33 is a cable. DETAILED DESCRIPTION

[0043] The utility model discloses a heat dissipation component of a vehicle lamp, which improves the heat dissipation efficiency. In addition, the utility model also discloses a vehicle lamp and a vehicle having the heat dissipation component.

[0044] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0046] like Figure 1 As shown, for a vehicle lamp, a large amount of heat will be generated during the long-term operation of the lighting module 01. If the heat cannot be dissipated in time, the use of the vehicle lighting module 01 will be affected. Based on this, the current vehicle lamp will connect the lighting module 01 with the radiator 02, and the heat dissipation of the lighting module 01 of the lamp can be achieved through the fit between the radiator 02 and the lighting module 01, thereby ensuring the normal use of the lighting module 01.

[0047] like Figure 2 As shown, as the performance requirements of the lighting module 01 become higher and higher, the conventional heat sink 02 can no longer meet the heat dissipation requirements of the lighting module 01 , and an additional fan 03 is required to assist the heat sink 02 in dissipating the heat of the lighting module 01 .

[0048] At present, the common fan 03 is arranged parallel to the heat dissipation fins of the radiator 02, and the rotation of the fan 03 accelerates the heat exchange of the heat dissipation fins and improves the heat dissipation effect of the radiator 02. However, since the fan 03 has the same effect on all parts of the heat dissipation fins in the horizontal direction during the blowing process, the temperature of the heat dissipation fins close to the lighting module 01 is higher than the temperature of the side far from the lighting module 01. Therefore, Figure 2 The heat dissipation method in the system cannot provide targeted heat dissipation according to the temperature difference, resulting in low heat dissipation efficiency.

[0049] In order to improve the heat dissipation effect of the heat dissipation assembly composed of a fan and a radiator on the lighting module, in an embodiment of the present application, the fan is arranged at an angle relative to the radiator, and the fan is tilted toward the lighting module so that the wind blown by the fan is directed toward the lighting module as much as possible, thereby increasing the heat exchange effect with the lighting module and improving the heat dissipation efficiency of the heat dissipation assembly on the lighting module.

[0050] Specifically, Figures 3 to 7 As shown, the heat dissipation assembly of the vehicle lamp in the present application includes a radiator 2 and a fan 3. The radiator 2 has a heat exchange surface 21 and heat dissipation fins 22.

[0051] The lighting module 1 of the headlight is fitted and connected to the heat exchange surface 21, and the heat generated by the lighting module 1 is transferred to the radiator 2 by heat exchange, and the heat dissipation area of ​​the radiator 2 is increased by the heat dissipation fins 22, so as to achieve heat dissipation of the lighting module 1. The connection method between the heat exchange surface 21 and the lighting module 1 can be set according to different needs, such as bonding, clamping or threaded connection. Optionally, the contact area between the lighting module 1 and the heat exchange surface 21 is as large as possible. The heat dissipation fins 22 are located on the side of the heat exchange surface 21 away from the lighting module 1 to achieve heat dissipation of the lighting module 1. The fan 3 is arranged obliquely on the side of the heat exchange surface 21 away from the lighting module 1, and the fan is inclined toward the light source 11.

[0052] In the present application, by adding a fan 3 and slanting the fan 3 so that the fan 3 faces the light source 11, under the action of the fan 3, the airflow is closer to the light source area, and the heat dissipation fins 22 in the light source area can fully contact with the cold air sent by the fan 3, so that the heat dissipation effect close to the light source area is better; at the same time, because the fan 3 is arranged obliquely, the airflow formed by the fan 3 is blocked by the heat exchange surface 21 during the flow process, and the radiation range formed is gradually narrowed (see Figure 8 As shown), it is beneficial to increase the air flow velocity, strengthen heat exchange, and improve the heat dissipation efficiency of the heat dissipation component to the lighting module, thereby further improving the heat exchange effect.

[0053] The angle α at which the fan 3 is tilted relative to the heat exchange surface 21 can be 15°-30°. For example, the tilt angle of the fan 3 relative to the heat exchange surface 21 can be 20°. Within this angle range, the airflow blown by the fan 3 can cover all the heat dissipation fins 22 and can increase the airflow close to the light source 11, which is conducive to improving the heat exchange effect.

[0054] In some embodiments, the fan 3 is located below the heat dissipating fins 22. Of course, the fan 3 may also be located above the heat dissipating fins 22. The diagram shows the arrangement of the fan 3 below the heat dissipating fins 22. The arrangement of the fan 3 above the heat dissipating fins 22 may be symmetrical with the arrangement of the fan 3 below the heat dissipating fins 22, which is no longer shown in the diagram.

[0055] In an optional embodiment, the fan 3 is detachably connected to the radiator 2, or the fan 3 is detachably connected to the lamp housing of the headlight. The connection position of the fan 3 can be set according to different needs, and all are within the protection range. Of course, the installation method of the fan 3 includes but is not limited to the use of snap-on, adhesive or threaded connection, as long as the method that can achieve detachable installation of the fan 3 is within the protection range. It can be understood by those skilled in the art that the fan 3 can also be connected in a non-detachable fixing manner.

[0056] The fan 3 is detachably connected, which is convenient for maintenance and replacement of the fan 3 and helps to reduce costs. When the fan 3 is installed, the fan 3 can be arranged tilted relative to the heat exchange surface 21.

[0057] The shape and size of the heat dissipation fins 22 are set according to different needs. In some embodiments, the heat dissipation fins 22 can be arranged more densely near the light source 11 of the lighting module 1. For example, the thickness of the heat dissipation fins 22 close to the light source 11 is greater than the thickness of the heat dissipation fins 22 far from the light source 11, and / or, the spacing between the heat dissipation fins 22 close to the light source 11 is less than the spacing between the heat dissipation fins 22 far from the light source 11. In some embodiments, the distance between the heat dissipation fins 22 gradually increases from the light source 11 to the direction away from the light source 11.

[0058] The arrangement density of the heat dissipation fins 22 near the light source 11 is higher, which can increase the heat dissipation area at the light source 11, improve the heat dissipation efficiency at the light source 11, and thus improve the heat dissipation effect of the heat dissipation component. The size and arrangement of the heat dissipation fins 22 can be set according to different needs and are all within the protection range.

[0059] Combination Figure 6 and Figure 7As shown, the fan 3 includes a fan body 31 and a fan bracket 32. The fan body 31 is provided with fan blades and is connected to a power supply device via a cable 33. When the power supply device supplies power to the fan body 31, the fan blades rotate. Corresponding buttons can be set for starting and stopping the fan blades or controlled by a control system.

[0060] The fan body 31 is rotatably mounted on the fan bracket 32, and the fan body 31 is tilted relative to the heat exchange surface 21 toward the light source 11 of the lighting module 1, and when the fan body 31 is tilted, the fan body 31 can be locked relative to the fan bracket 32. It can be understood that the tilt of the fan body 31 is obtained by rotating the fan body 31 after installation, and in this way, the installation requirements of the fan body 31 can be reduced.

[0061] During the installation of the fan 3, the fan bracket 32 ​​can be installed on the radiator 2 or the housing, and the fan body 31 can be tilted relative to the heat exchange surface 21 by rotating the angle of the fan body 31 on the fan bracket 32. When the requirements for the tilt angle of the fan body 31 are met, the fan body 31 and the fan bracket 32 ​​can be locked, and the locking method includes but is not limited to snap connection, screw connection or limit abutment. The installation angle and position of the fan body 31 are not specifically limited and can be installed arbitrarily, thereby reducing the installation requirements of the fan 3.

[0062] Figure 5 As shown in FIG. 1 , the radiator 2 has a connecting column 23, which is detachably connected to the fan bracket 32 ​​of the fan 3 through the connecting column 23; Figure 4 and Figure 7 As shown, the position of the fan bracket 32 ​​that cooperates with the connecting column 23 is perpendicular to the heat exchange surface 21 of the radiator 2, and the position of the fan bracket 32 ​​that is connected to the fan body 31 is arranged inclined relative to the heat exchange surface 21, so that the fan body 31 can be tilted relative to the heat exchange surface 21.

[0063] In addition, a vehicle lamp is disclosed in an embodiment of the utility model, comprising a lighting module 1, a heat dissipation assembly and a shell, wherein the heat dissipation assembly is any of the heat dissipation assemblies mentioned above. Therefore, the vehicle lamp having the heat dissipation assembly also has all the above-mentioned technical effects, which will not be described one by one here.

[0064] The housing referred to herein may be the side of the vehicle lamp opposite to the lampshade, the lampshade is sealed and connected to the housing, and a lighting space is formed therebetween. In some embodiments, the housing has an air inlet and an air outlet (not shown in the figure), and heat exchange of the radiator can be achieved by setting the air inlet and the air outlet. For example, the fan is arranged close to the air inlet.

[0065] In addition, the present application also discloses a vehicle, including the headlight disclosed in the above embodiment. Therefore, the vehicle with the headlight also has all the above technical effects, which will not be described one by one here.

[0066] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0067] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A heat dissipation component for a vehicle lamp, characterized in that: include: A radiator (2), the radiator (2) comprising a heat exchange surface (21) and heat dissipation fins (22), one side of the heat exchange surface (21) being used for connection with a lighting module (1) of a vehicle lamp, and the other side of the heat exchange surface (21) being provided with the heat dissipation fins (22); A fan (3), the fan (3) being located on a side of the heat sink (2) away from the lighting module (1), and the fan (3) being arranged obliquely relative to the heat exchange surface (21) and inclined toward the light source (11) of the lighting module (1).

2. The heat dissipation assembly of the vehicle lamp according to claim 1, characterized in that: The fan is located below the heat dissipation fins (22); Alternatively, the fan is located above the heat dissipation fins (22).

3. The heat dissipation assembly of the vehicle lamp according to claim 1, characterized in that: The fan is inclined at an angle of 15° to 30° relative to the heat exchange surface.

4. The heat dissipation assembly of a vehicle lamp according to claim 1, characterized in that: The light source (11) is arranged in the middle of the lighting module. and / or, The arrangement density of the heat dissipation fins (22) on the heat exchange surface (21) close to positions corresponding to the light source (11) is greater than the arrangement density of positions far from the light source (11).

5. The heat dissipation assembly of the vehicle lamp according to claim 4, characterized in that: The thickness of the heat dissipation fin (22) close to a position corresponding to the light source (11) is greater than the thickness of the heat dissipation fin (22) far from a position corresponding to the light source (11); and / or, The distance between adjacent heat dissipation fins (22) close to the corresponding position of the light source (11) is smaller than the distance between adjacent heat dissipation fins (22) far from the corresponding position of the light source (11).

6. The heat dissipation assembly of a vehicle lamp according to any one of claims 1 to 5, characterized in that: The fan (3) is detachably connected to the radiator (2). Alternatively, the fan (3) is detachably connected to the housing of the vehicle lamp.

7. The heat dissipation assembly of the vehicle lamp according to claim 6, characterized in that: The fan (3) is connected to the radiator (2) by at least one of a snap connection, a bonding connection and a threaded connection.

8. The heat dissipation assembly of a vehicle lamp according to any one of claims 1 to 5, characterized in that: The fan comprises: A fan body (31), wherein the fan body is provided with fan blades and is connected to a power supply device via a cable (33); A fan bracket (32), the fan body (31) being rotatably mounted on the fan bracket (32), and the fan body (31) being tilted relative to the heat exchange surface (21) toward the light source (11) of the lighting module (1), and when the fan body (31) is tilted, the fan body (31) can be locked relative to the fan bracket (32).

9. A vehicle lamp, comprising a lighting module, a heat dissipation component and a housing, characterized in that: The heat dissipation component is a heat dissipation component as claimed in any one of claims 1 to 8; and / or, The shell has an air inlet and an air outlet, and the fan is close to the air inlet.

10. A vehicle, comprising a lamp, characterized in that: The vehicle lamp is the vehicle lamp as claimed in claim 9.

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