CN107314325B - Heat pipe heat dissipation type LED car lamp - Google Patents
Heat pipe heat dissipation type LED car lamp Download PDFInfo
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- CN107314325B CN107314325B CN201710692031.1A CN201710692031A CN107314325B CN 107314325 B CN107314325 B CN 107314325B CN 201710692031 A CN201710692031 A CN 201710692031A CN 107314325 B CN107314325 B CN 107314325B
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- convection
- pipe
- heat dissipation
- radiating pipe
- led
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a heat pipe radiating type LED automobile lamp, which comprises a stainless steel clamping seat, wherein a convection superconducting radiating pipe is arranged at the front end of the stainless steel clamping seat, and a light emitting chip is embedded on the convection radiating pipe; the rear end of the stainless steel clamping seat is provided with an aviation aluminum heat dissipation sunflower, the rear end of the aviation aluminum heat dissipation sunflower is provided with a double-ball fan, and the double-ball fan is provided with a matched protective cover; wherein, the convection superconductive radiating pipe is a copper pipe. According to the LED automobile lamp, the LED is used as a light source, the heat pipe heat radiation technology is adopted for radiating the LED, the LED heat radiation effect is improved, the LED automobile lamp can be well assembled in an automobile by means of the structural design of the LED automobile lamp, the light efficiency is fully utilized, the light condensation performance is strong, the irradiation distance is long, and therefore the LED automobile lamp is convenient for people to use, and the actual use requirement is met.
Description
Technical Field
The invention relates to a heat pipe radiating type LED automobile lamp, and belongs to the technical field of heat pipe type heat dissipation of LED automobile lamps.
Background
As is well known, as society advances, automobiles are now widely introduced into lives of people, and as a transportation means automobile is required to have the capability of running in night or dark environment, so that the existing automobile or motor vehicle is provided with a headlight, especially a headlight mounted on the automobile is most focused by people, in the development process of the headlight, the electric light source headlight, the double-light lampwick headlight, the asymmetric low beam headlight, the halogen tungsten headlight, the xenon bulb and the xenon bulb are sequentially subjected to several development stages, wherein the double-light lampwick headlight is used for solving the serious problems of traffic accidents and crashes caused by dazzling of a driver due to strong light of the headlight when the automobile meets, the asymmetric low beam headlight belongs to a symmetric low beam system, the headlight is not only provided with dazzling light but also can ensure good illumination on roads, and the halogen tungsten headlight, the xenon bulb and the xenon bulb mainly solve the problems of illumination intensity and service life, the halogen tungsten headlight allows the working temperature to be higher than that of the filament, the incandescent bulb and the high-quality xenon bulb is filled with high-quality quartz bulb, and the service life of the halogen tungsten bulb is also increased by about 50 times, and the service life of the high-quality xenon bulb is selected, and the high-quality tungsten bulb is used for filling the high-quality bulb and the service life of the high-quality bulb is used. The brightness reaches over 3200 lumens. The bulb does not change the external dimension of the bulb of the original vehicle, so that the problem of inaccurate focusing can not be generated; the bulb has good condensation effect, the K value is more than 4300K, the color is soft, the light is white, xenon (Xenon) is poured into the quartz inner tube by adopting a high-voltage discharge technology, then 12 volts of electric power is instantaneously increased to more than 23000 volts through three times of voltage transformation by the precision stabilizer, xenon electrons in the excitation tube are dissociated, and a beam of super-strong arc light is formed between the two electrodes to continuously emit light, so that the light color is brighter.
With the progress of society, the LED lighting technology is now applied to the life of people, and the core component of the LED is a light emitting diode, so that the luminous efficiency is much higher compared with the traditional halogen tungsten headlamp and xenon lamp. Compared with the common halogen tungsten head lamp and the xenon lamp, the LED lamp has five advantages: firstly, energy is saved: the light efficiency of the halogen tungsten headlamp is 2 times higher than that of a common halogen tungsten headlamp, and the light efficiency of the halogen tungsten headlamp is 2 times higher than that of a xenon lamp; secondly, the service life is very long: the semiconductor chip emits light, has no filament or glass bulb, is not afraid of vibration and is not easy to break, and the service life can reach 5 ten thousand hours; third, no switch life fatigue: the LED can be switched on and off for hundreds of millions of times; fourth, factor of safety is high: the required voltage and current are small, the heating is also small, potential safety hazards are not generated, the electric torch does not have flash direct current, the electric torch has a good protection effect on eyes, and is the best choice of a desk lamp and an electric torch; fifth, green: does not contain harmful elements such as mercury, xenon and the like, is favorable for recycling, and does not generate electromagnetic interference. As described above, if the LED technology can be applied to the field of automotive lights, it is quite convenient for people to live by virtue of the excellent performance of LEDs, but it has become a direction of many manufacturers to study the use of LEDs as automotive lights by solving the problem of heat dissipation of LEDs in the process of achieving the above object, but no technology has been developed to use LEDs as automotive lights.
Disclosure of Invention
The invention aims at the defects existing in the prior art, and provides the heat pipe radiating type LED automobile lamp, which uses LEDs as light sources to radiate the LEDs by adopting a heat pipe radiating technology, so that the LED automobile lamp can be well assembled in an automobile by means of the structural design of the invention while the radiating effect of the LEDs is improved, and the LED automobile lamp has the advantages of full light efficiency utilization, strong light condensation and long irradiation distance, thereby being convenient for people to use and meeting the actual use requirement.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the heat pipe radiating type LED car lamp comprises a stainless steel clamping seat, wherein a convection superconducting radiating pipe is arranged at the front end of the stainless steel clamping seat, and a light emitting chip is embedded on the convection radiating pipe;
the rear end of the stainless steel clamping seat is provided with an aviation aluminum heat dissipation sunflower, the rear end of the aviation aluminum heat dissipation sunflower is provided with a double-ball fan, and the double-ball fan is provided with a matched protective cover;
wherein the convection superconductive radiating pipe is a copper pipe;
the thermal forming of the convection superconductive radiating pipe utilizes a hyperbolic principle, and the forming of the hyperbolic principle comprises the following steps:
step (1): establishing a coordinate system relation between a horizontal M (time) and a vertical T (temperature);
wherein MS-represents cooling time;
t-represents the cooling temperature;
step (2): establishing a double-C curve model based on the transformation characteristics of tissue gaps between double-C curves on the basis of the step (1), and adjusting the cooling temperature of the convection superconducting radiating pipe after the convection superconducting radiating pipe reaches supercooled austenite;
wherein the adjusting step comprises the following steps:
step a: after the convection superconducting radiating pipe is heated to reach austenite, the convection superconducting radiating pipe is put into a coolant at 226-320 ℃ for cooling;
step b: immediately after the treatment in the step a, the product is cooled in a coolant at 420-480 ℃ and is kept for a period of time;
step c: b, putting the product into hot air flow below 180 ℃ for cooling after the treatment of the step b, so that the stability of supercooled austenite of the convection superconducting radiating pipe can be maintained;
step d: and c, taking out the convection superconducting radiating pipe processed in the step c, and air-cooling to the room temperature, so that the optimal excellent heat dissipation performance, zero distortion and high hardness of the convection superconducting radiating pipe can be ensured.
As an improvement of the above technical solution, the coolant in step a and step b is a nitrate salt.
As an improvement of the technical scheme, the heat preservation time in the step b is between 0.5 and 1 hour.
As an improvement of the technical scheme, heat dissipation wire grooves are formed in the inner surface of the copper pipe at equal intervals, and curve grooves are formed in two ends of each heat dissipation wire groove.
Compared with the prior art, the invention has the following implementation effects:
the invention utilizes the characteristics of thermal stability and tissue change of the gaps between the double C curves to achieve the aim of slowly cooling the copper pipe, so that the copper pipe has excellent heat dissipation and cooling effects, zero distortion rate and optimal tempering strength; meanwhile, the LED is used as a light source to radiate the LED by adopting a heat pipe radiating technology, the LED automobile lamp can be well assembled in an automobile by means of the structural design of the LED automobile lamp while the LED radiating effect is improved, and the LED automobile lamp has the advantages of full light efficiency utilization, strong light condensation and long irradiation distance, so that the LED automobile lamp is convenient for people to use and meets the actual use requirement.
Drawings
FIG. 1 is a schematic diagram of a heat pipe heat dissipation type LED automobile lamp structure according to the invention;
FIG. 2 is a schematic diagram of rectangular coordinate system of temperature and time in application of the hyperbolic thermoforming principle of the convection superconductive radiating pipe according to the present invention;
FIG. 3 is a schematic view of the inner surface structure of the copper tube according to the present invention.
Detailed Description
The present invention will be described below with reference to specific examples.
Fig. 1 and 3 are schematic diagrams of the heat pipe heat dissipation type LED automobile lamp according to the present invention.
The heat pipe radiating type LED car lamp comprises a stainless steel clamping seat 30, wherein a convection superconducting radiating pipe 20 is arranged at the front end of the stainless steel clamping seat 30, and a light emitting chip 10 is embedded on the convection radiating pipe 20; the rear end of the stainless steel clamping seat 30 is provided with an aviation aluminum heat dissipation sunflower 40, the rear end of the aviation aluminum heat dissipation sunflower 40 is provided with a double-ball fan 50, and the double-ball fan 50 is provided with a matched protective cover 60;
the convection superconductive radiating pipe 20 is a copper pipe, radiating wire grooves 21 are processed on the inner surface of the copper pipe at equal intervals, and curved grooves 22 are processed at two ends of the radiating wire grooves 21 (the arrangement of the radiating wire grooves 21 and the curved grooves 22 increases the flow of heat of an inner boundary layer, prolongs the flow of heat of the inner boundary layer, forms convection effect and enhances radiating effect);
the thermal forming of the convection superconductive heat pipe 20 uses a hyperbolic principle, and the forming of the hyperbolic principle includes the following steps:
step (1): establishing a coordinate system relation between a horizontal M (time) and a vertical T (temperature);
wherein MS-represents cooling time;
t-represents the cooling temperature;
step (2): establishing a double-C curve model based on the transformation characteristics of tissue gaps between double-C curves on the basis of the step (1), and adjusting the cooling temperature of the convection superconducting radiating pipe 20 after the convection superconducting radiating pipe reaches supercooled austenite;
wherein the adjusting step comprises the following steps:
step a: after the convection superconducting radiating pipe 20 is heated to reach austenite, the convection superconducting radiating pipe 20 is put into a coolant at 226-320 ℃ for cooling;
step b: immediately after the treatment in the step a, the product is cooled in a coolant at 420-480 ℃ and is kept for a period of time;
step c: c, after the treatment of the step b, putting the product into hot air flow below 180 ℃ for cooling, so that the stability of supercooled austenite of the convection superconducting radiating pipe 20 can be maintained;
step d: and c, taking out the convection superconducting radiating tube 20 processed in the step c for air cooling to the room temperature, so that the optimal excellent heat dissipation performance, zero distortion and high hardness of the convection superconducting radiating tube 20 are ensured.
The invention utilizes the characteristics of thermal stability and tissue change of the gaps between the double C curves to achieve the aim of slowly cooling the copper pipe, so that the copper pipe has excellent heat dissipation and cooling effects, zero distortion rate and optimal tempering strength; meanwhile, the LED is used as a light source to radiate the LED by adopting a heat pipe radiating technology, the LED automobile lamp can be well assembled in an automobile by means of the structural design of the LED automobile lamp while the LED radiating effect is improved, and the LED automobile lamp has the advantages of full light efficiency utilization, strong light condensation and long irradiation distance, so that the LED automobile lamp is convenient for people to use and meets the actual use requirement.
Specifically, the coolant in the step a and the step b is nitrate; the heat preservation time in the step b is between 0.5 and 1 hour.
The foregoing is a detailed description of the invention with reference to specific embodiments, and is not intended to limit the practice of the invention to those descriptions. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (4)
1. A heat pipe heat dissipation type LED automotive lamp comprising: stainless steel cassette (30), its characterized in that: the front end of the stainless steel clamping seat (30) is provided with a convection superconducting radiating pipe (20), and a light-emitting chip (10) is embedded on the convection radiating pipe (20);
the rear end of the stainless steel clamping seat (30) is provided with an aviation aluminum heat dissipation sun flower (40), the rear end of the aviation aluminum heat dissipation sun flower (40) is provided with a double-ball fan (50), and the double-ball fan (50) is provided with a protection cover (60) which is matched with the double-ball fan;
wherein the convection superconducting radiating pipe (20) is a copper pipe;
the thermoforming of the convection superconductive radiating pipe (20) uses a hyperbolic principle, which comprises the following steps:
step (1): establishing a coordinate system relation between a horizontal M (time) and a vertical T (temperature);
wherein MS-represents cooling time;
t-represents the cooling temperature;
step (2): establishing a double-C curve model based on the transformation characteristics of tissue gaps between double-C curves on the basis of the step (1), and adjusting the cooling temperature of the convection superconducting radiating pipe (20) after supercooling austenite is reached;
wherein the adjusting step comprises the following steps:
step a: after the convection superconducting radiating pipe (20) is heated to reach austenite, the convection superconducting radiating pipe (20) is put into a coolant at 226-320 ℃ for cooling;
step b: immediately after the treatment in the step a, the product is cooled in a coolant at 420-480 ℃ and is kept for a period of time;
step c: b, putting the product into hot air flow below 180 ℃ for cooling after the treatment of the step b, so that the stability of supercooled austenite of the convection superconducting radiating pipe (20) can be maintained;
step d: and c, taking out the convection superconducting radiating pipe (20) treated in the step c, and air-cooling to the room temperature, so that the optimal excellent heat dissipation performance, zero distortion and high hardness of the convection superconducting radiating pipe (20) are ensured.
2. The heat pipe heat dissipation type LED car lamp according to claim 1, wherein: the coolant in step a and step b is a nitrate salt.
3. The heat pipe heat dissipation type LED car lamp according to claim 1, wherein: the heat preservation time in the step b is between 0.5 and 1 hour.
4. The heat pipe heat dissipation type LED car lamp according to claim 1, wherein: the inner surface of the copper pipe is provided with heat dissipation wire grooves (21) at equal intervals, and both ends of each heat dissipation wire groove (21) are provided with curve grooves (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710692031.1A CN107314325B (en) | 2017-08-14 | 2017-08-14 | Heat pipe heat dissipation type LED car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710692031.1A CN107314325B (en) | 2017-08-14 | 2017-08-14 | Heat pipe heat dissipation type LED car lamp |
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| Publication Number | Publication Date |
|---|---|
| CN107314325A CN107314325A (en) | 2017-11-03 |
| CN107314325B true CN107314325B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710692031.1A Active CN107314325B (en) | 2017-08-14 | 2017-08-14 | Heat pipe heat dissipation type LED car lamp |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347432A (en) * | 2010-07-30 | 2012-02-08 | 海洋王照明科技股份有限公司 | Light-emitting device |
| JP3183658U (en) * | 2013-03-06 | 2013-05-30 | 徐宝洲 | LED headlamps for automobiles with integrated near-far light |
-
2017
- 2017-08-14 CN CN201710692031.1A patent/CN107314325B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347432A (en) * | 2010-07-30 | 2012-02-08 | 海洋王照明科技股份有限公司 | Light-emitting device |
| JP3183658U (en) * | 2013-03-06 | 2013-05-30 | 徐宝洲 | LED headlamps for automobiles with integrated near-far light |
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| Publication number | Publication date |
|---|---|
| CN107314325A (en) | 2017-11-03 |
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