Automobile lamp

Abstract

The utility model relates to the field of lamps, in particular to an automobile lamp which comprises a lamp body, a light source assembly and a cooling fan, and the lamp body comprises a cooling portion and a fixing portion which are connected. The heat dissipation fan is mounted on the heat dissipation part and is exposed out of the heat dissipation part; the light source assembly is installed on the fixing part, one end of the light source assembly extends into the heat dissipation part, and the other end of the light source assembly extends out of the fixing part. The LED lamp is high in heat dissipation speed and good in heat dissipation effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp field, especially in a kind of automobile lamp. BACKGROUND

[0002] The existing automobile lamp includes lamp body, heat dissipation fan, radiator, light source board and driving power supply etc., generally, heat dissipation fan, light source board and driving power supply etc. are installed in lamp body, and lamp body protects these components. However, the air inlet of this structure is small, the air intake is less, and the surrounding structure of lamp body also makes the slow heat dissipation speed, and the noise is big. The heat dissipation surface area of radiator is small, generally only 5416.823 square millimeters, so that the heat dissipation speed is slow, and the maintaining power of whole lamp is low. The heat dissipation fin on radiator is generally processed by welding process, this structure not only increases secondary welding procedure and energy consumption, but also is not conducive to fast heat dissipation. Slow heat dissipation speed also makes component to be in high temperature state for a long time, shortens their service life. Therefore, the heat dissipation effect of lamp is poor, causes a series of problems such as virtual standard power, light efficiency virtual standard, maintaining power is small, light color is uncontrollable. SUMMARY

[0003] The utility model provides a kind of automobile lamp, heat dissipation speed is fast, and heat dissipation effect is good.

[0004] To solve the above technical problems, the utility model provides a kind of automobile lamp, including lamp body, light source component and heat dissipation fan, the lamp body includes the heat dissipation part and fixed part being connected;The heat dissipation fan is installed on heat dissipation part and exposes to heat dissipation part;The light source component is installed on fixed part, and one end of the light source component extends into heat dissipation part, and the other end extends out fixed part.

[0005] As the improvement of the above scheme, the surface area of the heat dissipation part is 8000-11000 square millimeters.

[0006] As the improvement of the above scheme, the heat dissipation part includes support strip and the heat dissipation fin being arranged on the outer side wall of support strip, and the number of heat dissipation fin is 50-70 pieces.

[0007] As the improvement of the above scheme, the heat dissipation cavity is arranged in the heat dissipation part, and the heat dissipation cavity is surrounded by multiple heat dissipation fins;Heat dissipation groove is arranged between adjacent two support strips, and the heat dissipation cavity and heat dissipation groove are communicated.

[0008] The heat dissipation fan is provided with fan seat, and the fan seat is placed in the heat dissipation cavity and embedded in the heat dissipation groove.

[0009] As the improvement of the above-mentioned scheme, the heat dissipation part further comprises a connecting seat, the fixing part is connected with the heat dissipation part through the connecting seat, a positioning groove is formed between the fixing part and the connecting seat, and an adapter plate is arranged in the positioning groove; the light source assembly extends to the heat dissipation cavity through the adapter plate.

[0010] As the improvement of the above-mentioned scheme, the adapter plate is provided with a thermistor.

[0011] As the improvement of the above-mentioned scheme, the light source assembly comprises a light source plate and a heat dissipation member, and the heat dissipation member is connected with the light source plate in a pasting mode.

[0012] The lamp beads of the light source plate are exposed to the lamp body.

[0013] The heat dissipation member is filled with a cooling liquid.

[0014] As the improvement of the above-mentioned scheme, the fixing part is provided with a light placing cavity and a heat dissipation placing cavity which are connected with each other, and the light placing cavity and the heat dissipation placing cavity both penetrate through the two end faces of the fixing part.

[0015] The light source plate is arranged in the light placing cavity, and the heat dissipation member is arranged in the heat dissipation placing cavity.

[0016] As the improvement of the above-mentioned scheme, the lamp body comprises a first lamp shell and a second lamp shell, and the first lamp shell and the second lamp shell are spliced to form the heat dissipation cavity, the light placing cavity and the heat dissipation placing cavity.

[0017] The first lamp shell and the second lamp shell are both integrally formed.

[0018] As the improvement of the above-mentioned scheme, a fan cover is further arranged, the fan cover is arranged at the end of the heat dissipation part and is sleeved outside the heat dissipation fan.

[0019] The fan cover is provided with an air inlet, and the air inlet is provided with a baffle.

[0020] The utility model discloses a car lamp has the following beneficial effects:

[0021] The heat dissipation fan of the car lamp is arranged on the heat dissipation part and exposed to the heat dissipation part, that is, the heat dissipation fan is arranged outside the lamp body, so that the air inlet amount is increased, and heat dissipation is facilitated. The light source assembly is arranged on the fixing part, one end of the light source assembly extends into the heat dissipation part, and the other end extends out of the fixing part, so that part of the heat of the light source assembly can be dissipated outward through the heat dissipation part, and the heat dissipation fan is close to the heat dissipation part, which is favorable for rapid heat dissipation. The other part of the heat can be directly dissipated in the air, without being blocked by other objects or being transferred to the air after being transferred by the objects, so that the heat dissipation is greatly accelerated, and the heat dissipation effect is good. DRAWINGS

[0022] Figure 1 It is the front view of the car lamp of the utility model;

[0023] Figure 2 is Figure 1 a left view of the lamp body;

[0024] Figure 3 is Figure 2 a sectional view along line A-A;

[0025] Figure 4 is Figure 1 a schematic view of the connection structure of the lamp body, the heat dissipation fan, the light source plate and the heat dissipation member;

[0026] Figure 5 is Figure 4 a schematic view of the connection structure of the first lamp shell, the adapter plate, the light source plate and the heat dissipation member;

[0027] Figure 6 is Figure 5 a schematic view of the structure of the first lamp shell. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described further in detail below in combination with the drawings. Only this statement, the up, down, left, right, front, back, inside, outside and other directions of the utility model appearing or about to appear in the text are based on the drawings of the utility model, and they are not specific limitations on the utility model.

[0029] Referring to Figures 1-6 , the utility model discloses a car lamp, including lamp body 1, light source subassembly and heat dissipation fan 4, the lamp body 1 includes the heat dissipation part 11 and fixed part 12 of connection, the heat dissipation fan 4 is installed on the heat dissipation part 11 and exposes on the heat dissipation part 11, the light source subassembly is installed on fixed part 12, and one end of the light source subassembly extends to the heat dissipation part 11, and the other end extends out fixed part 12.

[0030] The heat dissipation fan of the utility model car lamp is installed on the heat dissipation part and exposes on the heat dissipation part, that is, the heat dissipation fan is placed outside the lamp body, can increase the air intake, and is also beneficial to heat dissipation. The light source subassembly is installed on the fixed part, and one end of the light source subassembly extends to the heat dissipation part, and the other end extends out of the fixed part, so that part of the heat of the light source subassembly can be dissipated outward through the heat dissipation part, and is close to the heat dissipation fan, which is beneficial to the rapid dissipation of heat. Another part of the heat can be directly dissipated in the air, without the obstruction of other objects, and without the need to be transmitted to the air after heat transmission through the object, greatly accelerating the dissipation of heat, and the heat dissipation effect is good.

[0031] The surface area of the heat dissipation part 11 is 8000-11000 square millimeters. Compared with the existing heat dissipation surface area of 5416.823 square millimeters, the heat dissipation surface area of the heat dissipation part is greatly increased, and the heat dissipation speed can be effectively accelerated.

[0032] Preferably, the surface area of the heat dissipation part 11 is 9000-10000 square millimeters. More preferably, the surface area of the heat dissipation part 11 is 9562.066 square millimeters.

[0033] Specifically, as shown in Figure 3 、 5 -6, the heat dissipation part 11 comprises a support strip 111 and a heat dissipation fin 112 arranged on the outer side wall of the support strip 111, and the number of the heat dissipation fins 112 is 50-70. The support strip is in the shape of a circular ring, and the heat dissipation fins are uniformly distributed on the outer side wall of the support strip. The heat in the lamp body can be transferred outward through the heat dissipation fins, the heat dissipation is accelerated, and the heat dissipation effect is good. The support strip supports the heat dissipation fins.

[0034] Preferably, the number of the heat dissipation fins 112 is 55-65. More preferably, the number of the heat dissipation fins 112 is 56. The high-density 56-pull aluminum heat dissipation fins are used in cooperation with the fan to actively dissipate heat, which greatly improves the lamp maintenance power. The heat dissipation fins are first made into a profile by extrusion aluminum process, and then are made by a series of processes such as CNC, numerical control processing and surface treatment.

[0035] Preferably, the number of the support strips 111 is at least two, and the support strips are arranged at intervals, which further effectively supports the heat dissipation fins and makes the structure more reliable and stable. The heat dissipation cavity and the heat dissipation groove 114 are in communication. The heat dissipation fan 4 is provided with a fan seat 41, and the fan seat 41 is arranged in the heat dissipation cavity and embedded in the heat dissipation groove 114. The heat dissipation fan is installed on the heat dissipation part through the fan seat, and the heat dissipation fan is exposed to the heat dissipation cavity, i.e. the heat dissipation fan is exposed to the lamp body, so that the wind blows from the four sides of the heat dissipation fan to the heat dissipation fins, the air flow around the heat dissipation fins is accelerated, the air volume is larger, the heat dissipation speed is faster, and the heat dissipation effect is better.

[0036] Preferably, as shown in Figures 5-6As shown, the heat dissipation part 11 further comprises a connecting seat 113, the fixing part 12 is connected with the heat dissipation part 11 through the connecting seat 113, a positioning groove 115 is formed between the fixing part 12 and the connecting seat 113, and the adapter plate 5 is arranged in the positioning groove 115; the light source assembly extends into the heat dissipation cavity through the adapter plate 5. The adapter plate supports and fixes the light source assembly, and the heat of the light source assembly is sequentially transmitted to the connecting seat through the adapter plate and finally transmitted outward through the heat dissipation fins. The light source assembly extends into the heat dissipation cavity and is close to the heat dissipation fan, further accelerating the heat dissipation speed.

[0037] More preferably, a thermistor (not shown in the figure) is arranged on the adapter plate 5. The thermistor senses the real-time temperature of the light source assembly, and the power supply controls the current and voltage of the light source assembly in real time according to the temperature sensed by the thermistor, realizes the function of reducing the power, reduces the junction temperature of the components, and prolongs the service life of the lamp.

[0038] Specifically, as shown in Figure 1 , 3 -5, the light source assembly comprises a light source plate 2 and a heat dissipation member 3, and the heat dissipation member 3 is connected with the light source plate 2. Preferably, the heat dissipation member 3 is filled with cooling liquid, which can effectively take away the heat transmitted from the light source plate and accelerate the heat dissipation. More preferably, the heat dissipation member 3 is made of copper material. The cross-sectional shape of the heat dissipation member 3 is square, which can effectively connect with the light source plate, has a larger contact area and faster heat dissipation speed.

[0039] Preferably, as shown in Figure 1 , 4 -5, the lamp beads 21 of the light source plate 2 are exposed to the lamp body 1, which can avoid setting a lamp hole on the lamp body, increase the manufacturing cost, and accelerate the heat dissipation speed of the lamp beads and have a good heat dissipation effect.

[0040] Preferably, as shown in Figure 6 , the fixing part 12 is provided with a light placing cavity 121 and a heat dissipation placing cavity 122 which are connected, and the light placing cavity 121 and the heat dissipation placing cavity 122 penetrate through the two end faces of the fixing part 12; the light source plate 2 is arranged in the light placing cavity 121, and the heat dissipation member 3 is arranged in the heat dissipation placing cavity 122. The light source plate 2 and the heat dissipation member 3 both extend out of the two end faces of the fixing part 12. The light placing cavity 121 and the light source plate 2 are matched in shape and size, and the heat dissipation placing cavity 122 and the heat dissipation member 3 are matched in shape and size. The light placing cavity and the heat dissipation placing cavity effectively fix the light source assembly on the fixing part. More specifically, the fixing part 12 is provided with a fixing hole, the light source plate 2 is provided with a connecting hole matched with the fixing hole of the fixing part, a fastener is arranged to pass through the fixing hole and the connecting hole, so that the fixing part and the light source plate are fixedly connected, and the light source plate and the heat dissipation member are welded, thus the light source assembly is fixedly arranged in the fixing part.

[0041] Further, as shown in Figures 5-6As shown, the lamp body 1 includes a first lamp shell 1a and a second lamp shell (not shown in the figure), the first lamp shell 1a and the second lamp shell are spliced to enclose a heat dissipation cavity, a light cavity 121 and a light dissipation cavity 122. The first lamp shell 1a and the second lamp shell are the same structure, and are provided with a heat dissipation part 11 and a fixing part 12. The first lamp shell and the second lamp shell are beneficial to the installation of the lamp, and the installation is simple. Among them, the first lamp shell 1a and the second lamp shell are respectively provided with positioning notches 13 and positioning blocks 14, the positioning block 14 of the first lamp shell 1a is embedded on the positioning notch 13 of the second lamp shell, and the positioning block 14 of the second lamp shell is embedded on the positioning notch 13 of the first lamp shell 1a, so that the positions of the first lamp shell and the second lamp shell are relatively fixed, and the installation is more convenient.

[0042] Preferably, the first lamp shell 1a and the second lamp shell are integrally formed. That is, the heat dissipation fins 112, the support strips 111, the connecting seats 113 and the fixing part 12 are integrally formed, compared with the existing welded heat dissipation fins, the utility model reduces the secondary welding process and energy consumption, and is also beneficial to rapid heat dissipation.

[0043] Further, as shown, Figures 1-3 The utility model also includes a fan cover 6, the fan cover 6 is installed at the end of heat dissipation part 11, and is set on the outside of heat dissipation fan 4. The setting of the fan cover plays the role of protecting the heat dissipation fan, avoids the interference of foreign matters with the heat dissipation fan and affects the operation of the heat dissipation fan. Among them, the fan cover 6 is provided with an air inlet 61, and the air inlet 61 is provided with a blocking strip 62. The setting of the blocking strip realizes the large opening proportion of the air inlet, guarantees the air inlet amount, and reduces the noise. At the same time, it further avoids the interference of foreign matters

[0044] In summary, the utility model provides a kind of automobile lamp, and heat dissipation speed is fast, and heat dissipation effect is good.

[0045] The above is the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the prior art, on the premise of not departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements are also regarded as the protection scope of the utility model.

Claims

1. An automotive lamp characterized in that, The lamp body comprises a heat dissipation part and a fixing part connected together; the heat dissipation fan is installed on the heat dissipation part and exposed to the heat dissipation part; the light source assembly is installed on the fixing part, and one end of the light source assembly extends into the heat dissipation part and the other end extends out of the fixing part; The heat dissipation part comprises support strips and heat dissipation fins arranged on the outer side walls of the support strips; The heat dissipation part is provided with a heat dissipation cavity, and the heat dissipation cavity is surrounded by a plurality of heat dissipation fins; a heat dissipation groove is arranged between two adjacent support strips, and the heat dissipation cavity and the heat dissipation groove are communicated; The heat dissipation fan is provided with a fan seat, and the fan seat is arranged in the heat dissipation cavity and embedded in the heat dissipation groove.

2. The automotive lamp of claim 1, wherein The surface area of the heat dissipation part is 8000-11000 square millimeters.

3. The automotive lamp of claim 1, wherein The number of heat dissipation fins is 50-70.

4. The automotive lamp of claim 1, wherein The heat dissipation part further comprises a connecting seat, the fixing part is connected with the heat dissipation part through the connecting seat, a positioning groove is surrounded between the fixing part and the connecting seat, and an adapter plate is arranged in the positioning groove; the light source assembly extends into the heat dissipation cavity through the adapter plate.

5. The automotive lamp of claim 4, wherein, A thermistor is installed on the adapter plate.

6. The automotive lamp of claim 1, wherein, The light source assembly comprises a light source plate and a heat dissipation piece, and the heat dissipation piece and the light source plate are connected in adhesion; The lamp beads of the light source plate are exposed to the lamp body; The heat dissipation piece is filled with cooling liquid.

7. The automotive lamp of claim 6, wherein The fixing part is provided with a light placing cavity and a heat dissipation placing cavity in communication, and the light placing cavity and the heat dissipation placing cavity penetrate through the two end faces of the fixing part; The light source plate is arranged in the light placing cavity, and the heat dissipation piece is arranged in the heat dissipation placing cavity.

8. The automotive lamp of claim 7, wherein, The lamp body comprises a first lamp shell and a second lamp shell, and the first lamp shell and the second lamp shell are spliced to surround the heat dissipation cavity, the light placing cavity and the heat dissipation placing cavity; The first lamp shell and the second lamp shell are integrally formed.

9. The automotive lamp of any of claims 1-8, wherein, Further comprising a fan cover, the fan cover is installed on the end part of the heat dissipation part and is sleeved outside the heat dissipation fan; The fan cover is provided with an air inlet, and the air inlet is provided with a blocking strip.

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