CN214580869U - Intelligent temperature control LED automobile lamp - Google Patents
Intelligent temperature control LED automobile lamp Download PDFInfo
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- CN214580869U CN214580869U CN202120950784.XU CN202120950784U CN214580869U CN 214580869 U CN214580869 U CN 214580869U CN 202120950784 U CN202120950784 U CN 202120950784U CN 214580869 U CN214580869 U CN 214580869U
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Abstract
The utility model relates to an intelligent temperature control LED automobile lamp, which comprises a shell, a light source plate component, an intelligent driving power supply module, a heat pipe, a fan and a fin radiator, wherein the shell comprises a light source installation part and a radiating part with a hollow cavity; the fan, the fin radiator and the intelligent driving power supply module are all arranged in a hollow cavity of the radiating part, the heat pipe is respectively connected with the light source substrate and the fin radiator in a welding mode, and the power supply substrate of the intelligent driving power supply module is connected with the light source substrate in a welding mode. The utility model discloses an intelligence control by temperature change LED car lamp not only has excellent heat dispersion, has rational in infrastructure moreover, is convenient for install and application scope extensive advantage.
Description
Technical Field
The utility model relates to the field of automobile lighting lamps; and more particularly, to an intelligent temperature-controlled LED automobile lamp.
Background
The vehicle lamp is an important component of the automobile and plays an important role in the aspects of vehicle running and driving safety guarantee. The automobile lamps of automobiles and electric automobiles are traditionally generally high-power halogen lamps or hernia lamps, and the halogen lamps have the defects of low electro-optic conversion efficiency, high power consumption and short service life; the hernia lamp has the disadvantages of high color temperature, poor fog penetration, high-voltage cable and stabilizer requirement, complex circuit structure and high failure rate. In the situation of resource shortage and great advocation of energy conservation and emission reduction, the two traditional vehicle lamps obviously cannot meet the requirements of the times.
Because of the advantages of environmental protection, long service life, energy conservation, high reliability, good lighting effect, small size and the like, the LED automobile lamp has increasingly replaced the traditional halogen lamp and hernia lamp. The existing LED automobile lamp basically radiates heat through an aluminum shell, but due to the structural limitation of an automobile lamp, the volume of the aluminum shell cannot be made to be large, and the radiating efficiency of the automobile lamp is not ideal under the condition that the power of an LED light source is large.
The applicant's prior application CN202020604775.0 provides an LED automotive lamp in which the heat dissipation efficiency of the lamp is effectively improved by providing a fan and a heat pipe in the housing. Generally, however, the heat dissipation rate of the existing LED automobile lamp is still to be improved. On the basis of further improvement of the prior art, the applicant provides the technical scheme of the utility model.
Disclosure of Invention
The utility model mainly aims at providing an intelligence control by temperature change LED car lamp with excellent heat dispersion.
In order to achieve the main purpose, the utility model provides an intelligent temperature control LED automobile lamp, which comprises a shell, a light source plate assembly, an intelligent driving power supply module, a heat pipe and a fan, wherein the shell comprises a light source installation part and a heat dissipation part with a hollow cavity, the light source plate assembly comprises a light source substrate, a temperature sensor and an LED light source, the temperature sensor and the LED light source are arranged on the light source substrate, and the intelligent driving power supply module controls the power of the LED light source according to the temperature detection signal of the temperature sensor; the fan, the fin radiator and the intelligent driving power supply module are all arranged in a hollow cavity of the radiating part; the heat pipe is respectively connected with the light source substrate and the fin radiator in a welding mode, and the power source substrate of the intelligent driving power source module is connected with the light source substrate in a welding mode.
According to a preferred embodiment of the present invention, the fin radiator has an integrated structure formed by bending a metal plate.
Further, the fin radiator comprises a plurality of radiating fins arranged in parallel, adjacent radiating fins are connected together through bent connecting parts, and air convection channels facing the fan are formed among the radiating fins.
According to the utility model discloses a concrete implementation mode, open the spread groove on the fin of fin radiator, a part welding of heat pipe is in the spread groove.
According to a specific embodiment of the present invention, the heat pipe is connected to the longitudinal side of the light source substrate by welding.
According to a preferred embodiment of the present invention, the heat pipe is a copper heat pipe.
According to a preferred embodiment of the present invention, the light source substrate is a copper substrate for thermoelectric separation.
According to the utility model discloses a concrete implementation mode, be equipped with first positioning slot on the light source base plate, be equipped with second positioning slot on the power base plate, first positioning slot with second positioning slot pegs graft each other and realizes the light source base plate with power base plate's connection location.
According to the utility model discloses a concrete implementation mode, the casing includes interconnect's first casing and second casing, first casing has first light source installation department and first radiating part, the second casing has second light source installation department and second radiating part, the light source base plate centre gripping is in first light source installation department with between the second light source installation department, first radiating part with the second radiating part encloses into the cavity.
According to the utility model discloses a concrete implementation mode, the casing still includes the snap ring connecting portion, install the snap ring on the snap ring connecting portion.
The utility model discloses LED car lamp has following advantage at least:
the intelligent temperature control device has an intelligent temperature control adjusting function, can output different powers in different installation and use environments, avoids faults of an LED automobile lamp and an automobile caused by overhigh working temperature of an LED light source, and meanwhile enables the LED light source to have better stability and high efficiency.
The light source plate assembly and the fin radiator are tightly welded together through the heat pipe, the heat exchange rate between the LED light source and the fin radiator is remarkably improved, and the fan is matched to promote the air convection heat dissipation of the fin radiator, so that the automobile lamp has excellent heat dissipation performance.
The intelligent driving power supply module and the light source plate assembly are welded together and arranged inside the shell, so that the structure design is reasonable, the car lamp is smaller, a car lamp assembly does not need to be modified during installation, the installation is convenient, and the intelligent driving power supply module is suitable for various different installation environments.
To more clearly illustrate the objects, aspects and advantages of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a perspective view of an embodiment of an LED automotive lamp according to the present invention;
FIG. 2 is a block diagram of the internal components of an embodiment of the LED automotive lamp of the present invention;
FIG. 3 is a block diagram of an embodiment of a fin heat sink of the present invention;
fig. 4 is an exploded view of an embodiment of the LED automotive lamp of the present invention.
Detailed Description
The embodiment of the utility model discloses intelligence control by temperature change LED car lamp with excellent heat dispersion. As shown in fig. 1 to 4, the LED automotive lamp of the embodiment includes a housing 1, a light source plate assembly 2, a heat pipe 24, a smart driving power module 3, a fin heat sink 4, a fan 5, a snap ring 6, a rubber ring 7, and a power cord 8. Wherein, casing 1 includes light source installation department 11, snap ring connecting portion 12 and has the heat dissipation portion 13 of cavity, and light source board subassembly 2 centre gripping is in light source installation department 11, and snap ring 6 and rubber ring 7 cover are established on snap ring connecting portion 12, and intelligent drive power supply module 3, fin radiator 4 and fan 5 are installed in the cavity of heat dissipation portion 13.
Specifically, the housing 1 may be made of a metal material such as aluminum, and includes a first housing 1a and a second housing 1b, and the first housing 1a and the second housing 1b may be fixedly connected by screws 9. The first case 1a has a first light source mounting portion 11a, a first snap ring connecting portion 12a, and a first heat sink portion 13a connected in this order, and the second case 1b has a second light source mounting portion 11b, a second snap ring connecting portion 12b, and a second heat sink portion 13b connected in this order. The first light source mounting portion 11a and the second light source mounting portion 11b constitute a light source mounting portion 11, the first snap ring connecting portion 12a and the second snap ring connecting portion 12b constitute a snap ring connecting portion 12, and the first heat dissipating portion 13a and the second heat dissipating portion 13b constitute a heat dissipating portion 13. The first light source mounting portion 11a and the second light source mounting portion 11b each have a light source window 111, and the first heat sink member 13a and the second heat sink member 13b each have an air convection window 131.
The light source board assembly 2 includes a light source substrate 21, an LED light source 22 and a temperature sensor 23, and the light source substrate 21 has a first positioning insertion groove 211. The light source substrate 21 may be a double-sided circuit metal substrate with high thermal conductivity, preferably a thermoelectric separation copper substrate with double-sided circuits; the temperature sensor 23 may be an NTC temperature sensor. The LED light sources 22 may be respectively soldered on both main surfaces of the light source substrate 21 by using an SMT die bonding process, and the temperature sensor 23 may also be soldered on the main surface of the light source substrate 21 by using an SMT die bonding process. The LED light source 22 and the temperature sensor 23 are tightly welded to the light source substrate 21, which is beneficial to quickly conduct the heat generated by the LED light source 22 to the light source substrate 21, and the temperature sensor 23 can more accurately and quickly feed back the operating temperature of the LED light source 22.
The light source substrate 21 is fixedly held between the first light source mounting portion 11a and the second light source mounting portion 11b, and is in close contact therewith. In this way, the heat generated by the LED light source 22 can be conducted to the housing 1 through the light source substrate 21, and further dissipated from the housing 1 to the ambient air. The LED light source 22 is positioned in the light source window 111, and irradiates light outward through the light source window 111.
Intelligence drive power supply module 3 and light source board subassembly 2 welded connection. Specifically, the intelligent driving power module 3 includes a power substrate 31 having a second positioning slot 311, and the first positioning slot 211 of the light source substrate 21 and the second positioning slot 311 of the power substrate are inserted into each other to realize the connection and positioning of the light source substrate 21 and the power substrate 31; meanwhile, the plugging positions of the light source substrate 21 and the power source substrate 31 are tightly welded together, so that the mechanical connection and the electrical connection between the two are realized.
The intelligent driving power supply module 3 receives a temperature detection signal of the temperature sensor 23, and can control the power of the LED light source according to the temperature detection signal. Specifically, when the temperature sensor 23 detects that the temperature of the light source substrate 21 exceeds a preset warning value (indicating that the operating temperature of the LED light source 22 is too high), the intelligent driving power module 3 reduces the output current, so that the power of the LED light source 22 is reduced, and the temperature of the light source substrate 21 is correspondingly reduced until the temperature of the light source substrate 21 is reduced to be lower than the warning value (indicating that the operating temperature of the LED light source 22 is normal). Therefore, the LED automobile lamp can be ensured to always work normally in different environments and spaces.
The heat pipe 24 is preferably a copper heat pipe. A part of the heat pipe 24 is soldered to the light source substrate 21, for example, to the longitudinal side of the light source substrate 21; meanwhile, the heat pipe 24 is welded with the fin radiator 4, and heat of the light source plate assembly 2 can be quickly transferred to the fin radiator 4 by vaporization and liquefaction of heat conducting liquid in the heat pipe 24, so that the heat conduction rate between the LED light source 22 and the fin radiator 4 is increased, the junction temperature of the LED light source 22 is reduced, and the LED light source 22 is prevented from being damaged due to overhigh junction temperature.
The fin radiator 4 is preferably formed as an integral structure. Specifically, the fin radiator 4 may be formed by bending an aluminum or copper metal plate, so as to form an integrated arch structure. The fin radiator 4 adopts an arch structure design, can obtain a relatively large radiating area in a limited space, and is particularly suitable for a high-power vehicle lamp structure.
As shown in fig. 2 and 3, the fin radiator 4 includes a plurality of radiating fins 41 arranged in parallel, and the side edges of adjacent radiating fins 41 are connected together by bent connecting portions 42, and air convection passages facing the air convection windows 131 are formed between the radiating fins 41. The fin radiator 4 has a connection groove 43 formed in the heat sink 41, and a part of the heat pipe 24 extends into the connection groove 43 and is welded to the fin radiator 4.
The fan 5 is disposed beside the fin radiator 4 and directly faces the air convection passage between the fins 41. When the LED automobile lamp works, heat generated by the light source plate assembly 2 is transferred to the fin radiator 4 for heat dissipation, the fan 5 rotates, and the air flow rate around the radiating fins 41 is increased, so that the heat dissipation rate of the fin radiator 4 is increased.
The utility model discloses the equipment of LED car lamp can be carried out according to following step: firstly, respectively welding a light source substrate 21 with a heat pipe 24 and a power source substrate 31 together, and welding a fin radiator 4 with the heat pipe 24 together, so that the light source plate assembly 2, the heat pipe 24, the intelligent driving power module 3 and the fin radiator 4 form an internal core assembly; then, respectively welding the fan 5 and the power line 8 at corresponding positions of the intelligent driving power supply module 3; then, the fan 5 is fixed together with the inner core assembly in the hollow cavity of the first heat sink piece 13a, and the second case 11b is locked to the first case 11a with screws 9; and finally, sleeving the O-shaped rubber ring 7 on the clamping ring installation part 12, and clamping and installing the clamping ring 6 on the clamping ring installation part 12 to complete the assembly of the LED automobile lamp.
The utility model discloses LED car lamp has intelligent control by temperature change regulatory function, can export different power under installation and service environment of difference, avoids making LED car lamp and car break down because LED light source operating temperature is too high, also makes LED light source itself also possess better stability and high efficiency simultaneously.
The utility model discloses LED car lamp is with light source plate subassembly 2, heat pipe 24 and the inseparable welding of fin radiator 4, improves the heat exchange rate between LED light source 22 and the fin radiator 4, and the heat dissipation with higher speed of deuterogamying fan 5 makes the car light have excellent heat dispersion. Simultaneously, intelligence drive power supply module 3 and the welding of light source board subassembly 2 are in the same place, and structural design is reasonable, makes the car light smaller and more exquisite, need not reequip car light assembly during the installation, and simple to operate is applicable to the installation environment of various differences.
Particularly, in the preferred embodiment, the power of the LED automobile lamp can be more than 45W by using the welding combination of the thermoelectric separation copper substrate, the copper heat pipe and the integrated fin radiator, the power of the LED automobile lamp is closer to that of the traditional halogen lamp, and the problem that the existing LED automobile lamp needs to be decoded due to low power is solved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent changes made according to the invention are intended to be covered by the scope of the invention.
Claims (10)
1. An intelligent temperature control LED automobile lamp comprises a shell, a light source plate assembly, an intelligent driving power supply module, a heat pipe and a fan, wherein the shell comprises a light source installation part and a heat dissipation part with a hollow cavity; the method is characterized in that: the fan, the fin radiator and the intelligent driving power supply module are all arranged in a hollow cavity of the radiating part; the heat pipe is respectively connected with the light source substrate and the fin radiator in a welding mode, and the power source substrate of the intelligent driving power source module is connected with the light source substrate in a welding mode.
2. The intelligent temperature-controlled LED automobile lamp according to claim 1, characterized in that: the fin radiator has an integrated structure formed by bending a metal plate.
3. The intelligent temperature-controlled LED automobile lamp according to claim 2, characterized in that: the fin radiator comprises a plurality of radiating fins arranged in parallel, adjacent radiating fins are connected together through bent connecting parts, and air convection channels facing the fan are formed among the radiating fins.
4. The intelligent temperature-controlled LED automobile lamp according to claim 1, characterized in that: the fin radiator is characterized in that a connecting groove is formed in the radiating fin of the fin radiator, and one part of the heat pipe is welded in the connecting groove.
5. The intelligent temperature-controlled LED automobile lamp according to claim 1, characterized in that: and one part of the heat pipe is connected with the longitudinal side edge of the light source substrate in a welding manner.
6. The intelligent temperature-controlled LED automobile lamp according to claim 1, characterized in that: the heat pipe is a copper heat pipe.
7. The intelligent temperature-controlled LED automobile lamp according to claim 1, characterized in that: the light source substrate is a thermoelectric separation copper substrate.
8. The intelligent temperature-controlled LED automobile lamp according to claim 1, characterized in that: the light source substrate is provided with a first positioning slot, the power substrate is provided with a second positioning slot, and the first positioning slot and the second positioning slot are mutually inserted to realize the connection and positioning of the light source substrate and the power substrate.
9. The intelligent temperature-controlled LED automobile lamp according to claim 1, characterized in that: the casing includes interconnect's first casing and second casing, first casing has first light source installation department and first heat dissipation portion, the second casing has second light source installation department and second heat dissipation portion, the centre gripping of light source base plate is in first light source installation department with between the second light source installation department, first heat dissipation portion with the second heat dissipation portion encloses into the cavity.
10. The intelligent temperature-controlled LED automobile lamp according to claim 1, characterized in that: the shell further comprises a snap ring connecting portion, and a snap ring is mounted on the snap ring connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120950784.XU CN214580869U (en) | 2021-05-06 | 2021-05-06 | Intelligent temperature control LED automobile lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120950784.XU CN214580869U (en) | 2021-05-06 | 2021-05-06 | Intelligent temperature control LED automobile lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214580869U true CN214580869U (en) | 2021-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120950784.XU Active CN214580869U (en) | 2021-05-06 | 2021-05-06 | Intelligent temperature control LED automobile lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214580869U (en) |
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2021
- 2021-05-06 CN CN202120950784.XU patent/CN214580869U/en active Active
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