High-heat-dissipation automobile LED lamp with replaceable HiD xenon lamp

Abstract

The utility model discloses a high heat dissipation automobile LED lamp with a replaceable HiD hernia lamp, which comprises a heat dissipation fan, a drive board, a heat dissipation cover, a red copper substrate and lamp beads, the original HiD hernia lamp is replaced by the heat dissipation cover made of aluminum with better heat dissipation performance by continuously using a plug side insertion structure of the original HiD hernia lamp, and two heat conduction pipe groups are arranged in the heat dissipation cover and outside the red copper substrate. Heat generated by light emitting of the lamp beads at the upper end is transferred downwards through heat conduction of the first heat conduction pipe set, the second heat conduction pipe set and the heat dissipation cover, one part of the heat is dissipated outwards through the heat dissipation cover, the other part of the heat is guided downwards into the heat dissipation cavity, and the heat dissipation fan blows air upwards and then is dissipated outwards through the heat dissipation fins and the heat dissipation channels. Therefore, the temperature of the lamp body of the LED lamp can be greatly reduced, it is guaranteed that electric appliance parts of the LED lamp are not damaged by high temperature, durability is improved, meanwhile, after the lamp beads of the LED lamp are replaced, illumination can be improved, and the second heat conduction pipe set is arranged below the lamp groove so that the illumination range of light can be better avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile LED lamps, in particular to a high-heat-dissipating automobile LED lamp that can be replaced with a HiD xenon lamp. Background Art

[0002] At present, many car headlights are equipped with HiD xenon lamps. HiD xenon lamps have poor focusing properties, weak light in the outer aperture, and poor road paving effect compared with LED lamps. In addition, HiD xenon lamps use high-voltage electricity to activate xenon to emit arc light for lighting, so their heat generation is very high, reaching a high temperature of up to 400 degrees. Under such conditions, the aging of the reflective bowl and lens in the car headlights will be accelerated, resulting in reduced illumination. However, because the purchase price of HiD xenon lamps is relatively low, many car companies install them in large quantities in their low-end models. For this reason, many car owners will think about replacing HiD xenon lamps with LED lamps. However, the current traditional LED lamp structure and xenon headlight structure cannot be directly replaced. On the one hand, the structure of the original HiD xenon lamp headlight assembly is adapted to the original HiD xenon lamp plug. On the other hand, the lampshades of the original HiD xenon lamp headlight assemblies are mostly aging, so the heat and heat dissipation of the replaced LED lamps need to be minimized as much as possible. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a high-heat dissipation automotive LED lamp that can be replaced with a HiD xenon lamp, so as to solve the technical problems mentioned in the background art.

[0004] In order to solve the technical problem, the present invention adopts the following technical solutions:

[0005] A high-heat-dissipating automotive LED lamp that can be replaced with a HiD xenon lamp, comprising a cooling fan and a drive board, a cooling cover, a copper substrate and lamp beads, the cooling cover comprising a luminous heat-conducting portion and a heat-dissipating mounting portion, the lamp beads being mounted on the copper substrate, the copper substrate being mounted on the inner side of the fixed heat-conducting portion, the luminous heat-conducting portion being provided with a luminous groove corresponding to the position of the lamp beads, the inner side of the heat-dissipating mounting portion being provided with a heat-dissipating cavity and a mounting cavity from top to bottom, respectively, wherein the cooling fan is mounted in the mounting cavity, and the drive board is mounted in the heat-dissipating cavity, a plug is further mounted on one side of the heat-dissipating mounting portion, and a heat-conducting module is further included, the heat-conducting module comprising a first heat-conducting pipe group and a second heat-conducting pipe group for heat conduction, which are tightly attached to the outer side of the copper substrate, wherein the first heat-conducting pipe group extends downward from the upper end of the copper substrate into the heat-dissipating cavity, and the second heat-conducting pipe group extends downward from the middle of the copper substrate into the heat-dissipating cavity.

[0006] Specifically, the heat dissipation mounting portion is further provided with heat dissipation fins, and a heat dissipation channel is formed between the multiple heat dissipation fins. The heat dissipation channel is connected to the heat dissipation cavity, and the lower end of the second heat conduction pipe group passes through the driving plate and extends to the top of the heat dissipation fan.

[0007] Specifically, an air inlet slot is provided at the bottom of the heat dissipation mounting portion corresponding to the position of the heat dissipation fan.

[0008] Specifically, the heat dissipation channel includes a transverse air duct and a longitudinal air duct. The transverse air duct is located on the side wall of the heat dissipation mounting part and forms a convection wind dispersion line at the corresponding transverse position. The longitudinal air duct is located at the bottom wall and top wall of the heat dissipation mounting part to assist in air intake and wind dispersion.

[0009] Specifically, heat dissipation wave grooves are distributed in an array on the end surfaces of the heat dissipation fins.

[0010] It also includes a chuck, the heat dissipation cover is made of two pieces spliced ​​together, a clamping sleeve is provided at the lower end of the luminous heat-conducting part near the heat dissipation mounting part, and the chuck is just sleeved on the outside of the clamping sleeve.

[0011] Specifically, the positions of the luminous heat-conducting portion corresponding to the first heat-conducting pipe group and the second heat-conducting pipe group are respectively provided with a first embedding groove and a second embedding groove. The first heat-conducting pipe group is embedded in the first embedding groove, and the second heat-conducting pipe group is embedded in the second embedding groove.

[0012] Specifically, a first measuring slot is provided on one side of the heat dissipation mounting portion, one end of the plug is connected to the driver board via an electrode line, and the other end passes through the first measuring slot as an input end. A second measuring slot is provided on the other side of the heat dissipation mounting portion, and a decoding adjustment switch is further connected to one side of the driver board, and the outer active end of the decoding adjustment switch extends from the second measuring slot.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model continues to use the side-insertion structure of the original HiD xenon lamp and replaces it with an aluminum heat dissipation cover with better heat dissipation performance, and arranges two groups of heat-conducting pipes inside the heat dissipating cover and outside the copper base plate. The heat generated by the light-emitting lamp beads at the upper end is transferred downward through the first heat-conducting pipe group, the second heat-conducting pipe group and the heat conduction of the heat dissipating cover itself. Part of the heat is dissipated outward by the heat dissipating cover, and part of the heat is guided downward into the heat dissipation cavity. The heat dissipating fan blows air upward and then dissipates it outward through the heat dissipating fins and the heat dissipating channel, thereby greatly reducing the temperature of the LED lamp body, ensuring that its electrical components will not be damaged by high temperature, and increasing durability. At the same time, after replacing the lamp beads with LED lamps, the illumination can be improved. Placing the second heat-conducting pipe group below the lamp trough can also better avoid the breadth of optical fiber irradiation and will not affect the brightness of the outer periphery of the lamp ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 : This is the overall structure exploded diagram of the LED lamp of this utility model patent;

[0016] Figure 2 : This is a longitudinal cross-sectional view of the LED lamp of the utility model patent;

[0017] Figure 3 : This is one of the three-dimensional diagrams of the overall structure of the LED lamp of the utility model patent;

[0018] Figure 4 : This is the second three-dimensional diagram of the overall structure of the LED lamp of the utility model patent;

[0019] Figure 5 : It is the top view of the heat dissipation cover;

[0020] Figure 6 : It is a three-dimensional picture of the heat dissipation cover;

[0021] Figure 7 :For the front view and stereogram of the heat dissipation cover (half side);

[0022] In the figure: cooling fan 1, drive board 2, heat dissipation cover 3, copper base plate 4, lamp bead 5, light-emitting heat-conducting part 31, heat dissipation mounting part 32, light-emitting slot 311, heat dissipation cavity 321, mounting cavity 322, plug 6, heat-conducting module 7, first heat-conducting pipe 71 and second heat-conducting pipe group 72, heat dissipating fin 33, heat dissipation channel 34, air inlet slot 38, horizontal air duct 341, longitudinal air duct 342, heat dissipation wave slot 331, chuck 8, clamping sleeve 35, first embedded slot 312, second embedded slot 313, first measuring slot 36, second measuring slot 37, decoding adjustment switch 9, electrode line 61. DETAILED DESCRIPTION

[0023] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0024] refer to Figures 1 to 7 :

[0025] The utility model discloses a high-heat-dissipating automotive LED lamp that can be replaced with a HiD xenon lamp, comprising a cooling fan 1 and a driving plate 2, a cooling cover 3, a copper substrate 4 and lamp beads 5, wherein the cooling cover 3 comprises a luminous heat-conducting portion 31 and a heat-dissipating mounting portion 32, wherein the lamp beads 5 are mounted on the copper substrate 4, and the copper substrate 4 is mounted on the inner side of the fixed heat-conducting portion, wherein the luminous heat-conducting portion 31 is provided with a luminous groove 311 at a position corresponding to the lamp beads 5, and wherein the inner side of the heat-dissipating mounting portion 32 is provided with a heat-dissipating cavity 321 and a mounting cavity 322 from top to bottom, wherein the cooling fan 1 is mounted in the mounting cavity 322, and the driving plate 2 is mounted in the heat-dissipating cavity 321, and a plug 6 is further mounted on one side of the heat-dissipating mounting portion 32, and further comprising a heat-conducting module 7, wherein the heat-conducting module 7 comprises a first heat-conducting pipe 71 group for heat conduction that is closely attached to the outer side of the copper substrate 4. And the second heat-conducting pipe group 72, wherein the first heat-conducting pipe group 71 extends downward from the upper end of the copper substrate 4 into the heat dissipation cavity 321, and the second heat-conducting pipe group 72 extends downward from the middle part of the copper substrate 4 into the heat dissipation cavity 321. Here, the heat dissipation cover 3 is preferably a heat-dissipating aluminum part. The heat dissipation cover 3 made of aluminum has fast heat conduction and heat dissipation, and is light in weight and has good hardness, which can adapt to the characteristics of bumpy driving and heating of automobile headlights. In addition, as a preferred embodiment, there are two of the first heat-conducting pipe group 71 and the second heat-conducting pipe group 72 here, which are clamped on both sides of the copper substrate 4 in pairs, thereby, it is equivalent to having heat-conducting pipes in close contact with the four longitudinal positions of the two surfaces of the copper substrate 4. Preferably, the first heat-conducting pipe group 71 and the second heat-conducting pipe group 72 both adopt copper heat pipes, and the number of copper heat pipes is four in total, which can further improve the thermal conductivity efficiency.

[0026] The outer wall of the heat dissipation mounting portion 32 is further provided with an array of heat dissipation fins 33, and a heat dissipation channel 34 is formed between the plurality of heat dissipation fins 33. The heat dissipation channel 34 is connected to the heat dissipation cavity 321. The lower end of the second heat conduction pipe group 72 extends through the drive plate 2 to the top of the heat dissipation fan 1, and the lower end of the first heat conduction pipe group 71 extends to the top of the drive plate 2. With this arrangement, the first heat conduction pipe group 71 conducts the heat from the heat dissipation cover 3 and the copper substrate 4 to the upper end cavity of the heat dissipation cavity 321, and the second heat conduction pipe group 72 conducts the heat from the heat dissipation cover 3 and the copper substrate 4 to the lower end cavity of the heat dissipation cavity 321. body, thereby evenly distributing the heat in the heat dissipation cavity 321, and finally the wind blown upward by the heat dissipation fan 1 is blown outward through the heat dissipation channel 34 and takes away the heat. Here, it should be noted that the driving board 2 is a rectangular circuit board, and there are still large gaps on both sides and around for the heat dissipation fan 1 to blow air upward. Preferably, the blowing path of the heat dissipation fan 1 is peripheral blowing, or vortex blowing, thereby, its blowing direction can be controlled to be concentrated at the peripheral position, and negative pressure can be formed at the peripheral position. After the internal heat forms high pressure, it will be taken away by the peripheral wind, and at the same time will not be affected by the obstruction of the driving board 2 above.

[0027] Specifically, in order to increase the air intake volume, an air intake slot 38 is provided at the bottom of the heat dissipation mounting portion 32 corresponding to the position of the heat dissipation fan 1 .

[0028] Specifically, the heat dissipation channel 34 includes a transverse air duct 341 and a longitudinal air duct 342. The transverse air duct 341 is located on the side wall of the heat dissipation mounting portion 32 and forms a convection wind dispersion line at the corresponding transverse position. The longitudinal air duct 342 is located at the bottom wall and the top wall of the heat dissipation mounting portion 32 to assist in air intake and air dispersion, that is, the longitudinal air duct 342 located on the bottom wall assists in air intake, and the longitudinal air duct 342 located on the top wall assists in air dispersion.

[0029] Specifically, in order to increase the heat dissipation area of ​​the heat dissipation fins 33 , heat dissipation wave grooves 331 are distributed in an array on the end surfaces of the heat dissipation fins 33 . The heat dissipation wave grooves 331 are distributed longitudinally or transversely on the end surfaces of the heat dissipation fins 33 .

[0030] In order to facilitate the assembly of the LED lamp structure, a chuck 8 is also included here. The heat dissipation cover 3 is made of two pieces. A clamping sleeve 35 is provided at the lower end of the light-emitting heat-conducting part 31 near the heat dissipation mounting part 32. The chuck 8 is just sleeved on the outside of the clamping sleeve 35. During installation, the chuck 8 is just sleeved from top to bottom, and the two-piece or two-petal heat dissipation cover 3 is fixedly spliced ​​together, and finally locked with screws.

[0031] Specifically, the thermal conductivity of the copper heat pipe is better than that of the aluminum heat dissipation cover 3. Here, in order to increase the contact area between the copper heat pipe and the heat dissipation cover 3, the positions corresponding to the first heat conduction pipe group 71 and the second heat conduction pipe group 72 on the luminous heat conduction portion 31 are respectively provided with a first embedding groove 312 and a second embedding groove 313. The first heat conduction pipe group 71 is embedded in the first embedding groove 312, and the second heat conduction pipe group 72 is embedded in the second embedding groove 313.

[0032] Here, it should be understood that after replacing this type of LED lamp, the temperature of the lamp body can be reduced to below 130 degrees compared to the temperature of the original HiD xenon lamp. Compared with the original high temperature of 400 degrees, the heat transfer to the car headlight assembly of the original HiD xenon lamp itself is greatly reduced, so other components of the headlight assembly will be more durable.

[0033] Specifically, a first measuring groove 36 is provided on one side of the heat dissipation mounting portion 32, one end of the plug is connected to the driver board through an electrode wire 61, and the other end passes through the first measuring groove 36 as an input end, and a second measuring groove 37 is provided on the other side of the heat dissipation mounting portion 32, and a decoding adjustment switch 9 is also connected to one side of the driver board, and the outer active end of the decoding adjustment switch extends from the second measuring groove 37. Here, because the starting voltage of the original ballast of the HiD xenon headlight is inconsistent with the LED starting voltage, the decoding adjustment switch 9 is added here to adjust the starting voltage to match the ballast, which will not cause problems such as no light, flashing light, and fault code reporting. The plug 6 and the driver board 2 are connected through the electrode wire 61, and the electrode wire 61 plays a supporting and transmitting role, and can further separate the plug 6 and the driver board 2, which is helpful to conduct heat at the upper and lower ends of the driver board 2.

[0034] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A high-heat-dissipating automotive LED lamp that can be replaced with a HiD xenon lamp, comprising a cooling fan and a driver board, characterized by: It also includes a heat dissipation cover, a copper base plate and lamp beads, the heat dissipation cover includes a luminous heat-conducting part and a heat dissipation mounting part, the lamp beads are installed on the copper base plate, the copper base plate is installed on the inner side of the fixed heat-conducting part, the luminous heat-conducting part is provided with a light-emitting groove corresponding to the position of the lamp beads, the inner side of the heat dissipation mounting part is respectively provided with a heat dissipation cavity and an installation cavity from top to bottom, wherein the heat dissipation fan is installed in the installation cavity, and the drive board is installed in the heat dissipation cavity, a plug is also installed on one side of the heat dissipation mounting part, and also includes a heat conduction module, the heat conduction module includes a first heat conduction pipe group and a second heat conduction pipe group for heat conduction, which are tightly attached to the outer side of the copper base plate, wherein the first heat conduction pipe group extends downward from the upper end of the copper base plate into the heat dissipation cavity, and the second heat conduction pipe group extends downward from the middle part of the copper base plate into the heat dissipation cavity.

2. The high heat dissipation automotive LED lamp that can be replaced with a HiD xenon lamp as claimed in claim 1, characterized in that: The heat dissipation mounting portion is further provided with heat dissipation fins, and a heat dissipation channel is formed between the plurality of heat dissipation fins. The heat dissipation channel is connected to the heat dissipation cavity. The lower end of the second heat conduction pipe group passes through the driving plate and extends to above the heat dissipation fan.

3. The high heat dissipation automotive LED lamp that can be replaced with a HiD xenon lamp as claimed in claim 1, characterized in that: An air inlet slot is provided at the bottom of the heat dissipation mounting portion corresponding to the position of the heat dissipation fan.

4. The high heat dissipation automotive LED lamp that can be replaced with a HiD xenon lamp as claimed in claim 2, characterized in that: The heat dissipation channel includes a transverse air duct and a longitudinal air duct. The transverse air duct is opened on the side wall of the heat dissipation installation part and forms a convection wind dispersion line at the corresponding transverse position. The longitudinal air duct is located at the bottom wall and top wall of the heat dissipation installation part to assist in air intake and wind dispersion.

5. The high heat dissipation automotive LED lamp that can be replaced with a HiD xenon lamp as claimed in claim 2, characterized in that: The end surfaces of the heat dissipation fins are also provided with heat dissipation wave grooves in an array.

6. The high heat dissipation automotive LED lamp that can be replaced with a HiD xenon lamp as claimed in claim 1, characterized in that: It also includes a chuck, the heat dissipation cover is made of two pieces spliced ​​together, a clamping sleeve is provided at the lower end of the luminous heat-conducting part near the heat dissipation mounting part, and the chuck is just sleeved on the outside of the clamping sleeve.

7. The high heat dissipation automotive LED lamp that can be replaced with a HiD xenon lamp as claimed in claim 1, characterized in that: The positions of the luminous heat-conducting portion corresponding to the first heat-conducting pipe group and the second heat-conducting pipe group are respectively provided with a first embedding groove and a second embedding groove. The first heat-conducting pipe group is embedded in the first embedding groove, and the second heat-conducting pipe group is embedded in the second embedding groove.

8. The high heat dissipation automotive LED lamp that can be replaced with a HiD xenon lamp as claimed in claim 1, characterized in that: A first measuring slot is provided on one side of the heat dissipation mounting portion, one end of the plug is connected to the driving board through an electrode line, and the other end passes through the first measuring slot as an input end. A second measuring slot is provided on the other side of the heat dissipation mounting portion, and a decoding adjustment switch is further connected to one side of the driving board, and the outer active end of the decoding adjustment switch extends from the second measuring slot.

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