CN210088747U - Vehicle lamp capable of automatically adjusting brightness - Google Patents
Vehicle lamp capable of automatically adjusting brightness Download PDFInfo
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- CN210088747U CN210088747U CN201920581426.9U CN201920581426U CN210088747U CN 210088747 U CN210088747 U CN 210088747U CN 201920581426 U CN201920581426 U CN 201920581426U CN 210088747 U CN210088747 U CN 210088747U
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- led lamp
- light source
- lamp
- base plate
- heat sink
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- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 238000007639 printing Methods 0.000 claims abstract description 3
- 230000005611 electricity Effects 0.000 claims abstract 2
- 239000000758 substrate Substances 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The application discloses but car light of automatically regulated luminance, including the lamp body and the heat abstractor who locates lamp body one end, be equipped with on the lamp body with the communicating installation cavity of heat abstractor, be equipped with the light source base plate that extends to in the heat abstractor in the installation cavity, be equipped with LED lamp and temperature-sensing ware on the light source base plate, be equipped with the light screen of fixing the light source base plate in the installation cavity on the lamp body, be equipped with the position on the light screen and the corresponding printing opacity portion of LED lamp, the one end that is close to the heat abstractor on the light source base plate is equipped with waterproof stopper and is located between waterproof stopper and the heat abstractor and the switching base plate of being connected with the light source base plate electricity. Power drive device passes through the temperature situation of temperature-sensing LED lamp environment in real time of temperature-sensing ware, and when the temperature-sensing ware sensed the high temperature, power drive device reduced the luminance of LED lamp automatically in order to reduce the heat that the LED lamp produced to reduce the ambient temperature that the LED lamp was located, prevent that high temperature from causing the damage to the LED lamp.
Description
[ technical field ] A method for producing a semiconductor device
The application belongs to the technical field of car lights, especially relates to a car light that can automatically regulated luminance.
[ background of the invention ]
Along with the development of science and technology, the LED car light has widely been used on the car, however the LED lamp produces high temperature easily, and because the small of LED car light, the heat is concentrated, generates heat and is difficult to in time the conduction out for the LED car light is in high temperature environment for a long time, and high temperature environment can accelerate the ageing of LED chip, thereby can influence the life of LED car light.
[ summary of the invention ]
In order to solve the above problems, the present application provides an automatically brightness adjustable vehicle lamp capable of adjusting the brightness of an LED according to the ambient temperature to control the heating state of the LED.
The application is realized by the following technical scheme:
the car lamp capable of automatically adjusting brightness comprises a lamp body and a heat dissipation device arranged at one end of the lamp body, the lamp body is provided with a mounting cavity communicated with the heat dissipation device, a light source substrate extending into the heat dissipation device is arranged in the mounting cavity, the light source substrate is provided with an LED lamp and a temperature sensor, the lamp body is provided with a light screen which is fixedly connected with the lamp body to fix the light source substrate in the installation cavity, the shading plate is provided with a light-transmitting part corresponding to the LED lamp, one end of the light source substrate close to the heat radiating device is provided with a waterproof plug and a switching substrate which is positioned between the waterproof plug and the heat radiating device and is electrically connected with the light source substrate, the vehicle lamp capable of automatically adjusting brightness further comprises a power supply driving device which is electrically connected with the adapter substrate so as to be electrically connected with the LED lamp and the temperature sensor.
The vehicle lamp capable of automatically adjusting the brightness comprises the radiating fin shell arranged at one end of the lamp body, the radiating fan arranged in the radiating fin shell and the radiating fan cover fixedly connected with the radiating fin shell to cover the radiating fan in the radiating fin shell.
According to the vehicle lamp capable of automatically adjusting the brightness, the LED lamp is located at one end, far away from the heat dissipation device, of the light source substrate, and the temperature sensor is located at one end, close to the heat dissipation device, of the light source substrate.
In the above vehicle lamp capable of automatically adjusting brightness, the light source substrate is provided with the heat pipe extending along the length direction thereof and spanning one side of the LED lamp and the temperature sensor.
According to the car lamp capable of automatically adjusting the brightness, the lamp body is provided with the chuck connecting section, and the outer side of the chuck connecting section is fixedly connected with the connecting chuck.
According to the vehicle lamp capable of automatically adjusting the brightness, the sealing ring is arranged between the connecting chuck and the chuck connecting section.
According to the car lamp capable of automatically adjusting brightness, the radiating fin shell is provided with the wire routing port, and the power supply driving device is provided with the waterproof conducting wire which penetrates through the wire routing port and is electrically connected with the switching substrate.
Compared with the prior art, the method has the following advantages:
1. the utility model provides a power drive device adjusts the luminance condition of LED lamp through the temperature situation of near the real-time response LED lamp of temperature-sensing ware near environment, when the ambient temperature near the LED lamp was sensed to the temperature-sensing ware too high, power drive device can reduce the luminance of LED lamp in order to reduce the produced heat of LED lamp automatically, thereby reduce the ambient temperature that the LED lamp was located, ensure that the LED lamp can not continuously be in high temperature environment, prevent effectively that high temperature environment from causing the damage to the LED lamp, the life of product is improved.
2. This application has improved the holistic waterproof performance of car light through setting up waterproof plug, effectively prevents outside water and steam and because of the comdenstion water that heat abstractor's radiating effect produced on the switching base plate from entering into to the light source base plate in and leading to LED lamp and temperature-sensing ware short circuit to damage and car light to be hazed, further improves the life of product.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic view of a vehicle lamp with automatically adjustable brightness;
fig. 2 is an exploded schematic view of fig. 1.
[ detailed description ] embodiments
But car light of automatically regulated luminance as shown in fig. 1 and fig. 2, including lamp body 1, still including locating the heat abstractor 2 of 1 one end of lamp body, be equipped with on the lamp body 1 with the communicating installation cavity 11 of heat abstractor 2, be equipped with in the installation cavity 11 and extend to light source substrate 3 in the heat abstractor 2, be equipped with LED lamp 31 and temperature-sensing ware 32 on the light source substrate 3, be equipped with on the lamp body 1 rather than fixed connection in order to fix light source substrate 3 light screen 12 in the installation cavity 11, be equipped with on the light screen 12 the position with the corresponding printing opacity 121 of LED lamp 31, just the light type that LED lamp 31 sent can be moulded to light screen 12, makes LED lamp 31 send the soft light type of dazzling, not dazzling, improves user's visual comfort. One end of the light source substrate 3, which is close to the heat dissipation device 2, is provided with a waterproof plug 4 and a switching substrate 5, which is positioned between the waterproof plug 4 and the heat dissipation device 2 and electrically connected with the light source substrate 3, and the vehicle lamp capable of automatically adjusting brightness further comprises a power supply driving device 6, which is electrically connected with the switching substrate 5, so as to be electrically connected with the LED lamp 31 and the temperature sensor 32. Specifically, the power driving device 6 comprises a driving IC with the model number of OC5031 or OST23-6, and the temperature sensor 32 adopts a thermistor with the model number of EWTF05-103J 3T-N. The power drive device of this embodiment responds to the temperature situation of near environment of LED lamp through the temperature-sensing ware in real time and adjusts the luminance condition of LED lamp, when the ambient temperature near LED lamp was sensed to the temperature-sensing ware too high, power drive device can reduce the luminance of LED lamp automatically in order to reduce the produced heat of LED lamp, thereby reduce the ambient temperature that the LED lamp was located, ensure that the LED lamp can not continuously be in high temperature environment, prevent effectively that high temperature environment from causing the damage to the LED lamp, improve the life of product. In addition, this embodiment has improved the holistic waterproof performance of car light through setting up waterproof plug, effectively prevents outside water and steam and because of the comdenstion water that heat abstractor's radiating effect produced on the switching base plate from getting into to the light source base plate in and leading to LED lamp and temperature-sensing ware short circuit to damage and the car light is hazed, further improves the life of product.
In order to effectively cool the LED lamp on the light source substrate and prevent the LED lamp from being damaged by continuous high temperature, the heat dissipation device 2 includes a heat dissipation housing 21 disposed at one end of the lamp body 1, a heat dissipation fan 22 disposed in the heat dissipation housing 21, and a heat dissipation fan cover 23 fixedly connected to the heat dissipation housing 21 to cover the heat dissipation fan 22 in the heat dissipation housing 21.
In order to prevent the temperature sensor 32 from being damaged by the high temperature generated by the LED lamp 31, the LED lamp 31 is located at one end of the light source substrate 3 away from the heat sink 2, and the temperature sensor 32 is located at one end of the light source substrate 3 close to the heat sink 2.
In order to further improve the detection accuracy of the temperature sensor for the heat generated by the LED lamp and improve the heat dissipation efficiency of the LED lamp, the light source substrate 3 is provided with a heat pipe 7 extending along the length direction thereof and crossing the LED lamp 31 and the temperature sensor 32. The heat pipe can conduct more heat generated by the LED lamp during working to the temperature sensor 32, so that the temperature sensor 32 can sense the temperature of the LED lamp more accurately, and meanwhile, the heat pipe can conduct more heat generated by the LED lamp during working to the heat dissipation device for heat dissipation, so that the heat dissipation effect of the LED lamp is further improved.
In order to facilitate the connection of the car lamp with other devices, a chuck connecting section 13 is arranged on the lamp body 1, a connecting chuck 8 is fixedly connected to the outer side of the chuck connecting section 13, and the car lamp is stably connected with other devices through the connecting chuck 8.
In order to improve the sealing performance of the product, a sealing ring 81 is arranged between the connecting chuck 8 and the chuck connecting section 13.
Furthermore, the heat sink housing 21 is provided with a wire-routing opening 211, and in order to prevent the bad phenomenon that the power driving device is short-circuited and damaged by external water and water vapor and condensed water generated on the adapter substrate, the power driving device 6 is provided with a waterproof wire 61 which passes through the wire-routing opening 211 and is electrically connected with the adapter substrate 5.
The working principle of the embodiment is as follows:
the power supply driving device senses the temperature condition of the environment near the LED lamp in real time through the temperature sensor to adjust the brightness of the LED lamp, when the temperature sensor senses that the environment temperature near the LED lamp is too high, the power supply driving device can automatically reduce the brightness of the LED lamp so as to reduce the heat generated by the LED lamp, thereby reducing the environment temperature of the LED lamp, ensuring that the LED lamp cannot be continuously located in a high-temperature environment, effectively preventing the high-temperature environment from damaging the LED lamp, and prolonging the service life of a product. Simultaneously, through setting up waterproof plug, improved the holistic waterproof performance of car light, effectively prevent outside water and steam and because of the comdenstion water that heat abstractor's radiating effect produced on the switching base plate from getting into to the light source base plate in and leading to LED lamp and temperature-sensing ware short circuit damage and car light to be hazy, further improve the life of product.
The foregoing is illustrative of one embodiment provided in connection with the detailed description and is not intended to limit the disclosure to the particular embodiments described. Similar or identical methods, structures, etc. as used herein, or several technical deductions or substitutions made on the premise of the idea of the present application, should be considered as the protection scope of the present application.
Claims (7)
1. But car light of automatically regulated luminance, including lamp body (1), its characterized in that still including locating heat abstractor (2) of lamp body (1) one end, be equipped with on lamp body (1) with communicating installation cavity (11) of heat abstractor (2), be equipped with in installation cavity (11) and extend to light source base plate (3) in heat abstractor (2), be equipped with LED lamp (31) and temperature-sensing ware (32) on light source base plate (3), be equipped with on lamp body (1) rather than fixed connection in order to fix light source base plate (3) light screen (12) in installation cavity (11), be equipped with the position on light screen (12) with the corresponding printing opacity portion (121) of LED lamp (31), be close to on light source base plate (3) the one end of heat abstractor (2) is equipped with waterproof plug (4) and is located between waterproof plug (4) and the heat abstractor (2) and with the light source base plate (3) electricity is connected The automotive lamp capable of automatically adjusting the brightness further comprises a switching substrate (5) and a power supply driving device (6) which is electrically connected with the switching substrate (5) so as to be electrically connected with the LED lamp (31) and the temperature sensor (32), wherein the temperature sensor (32) comprises a thermistor, and the power supply driving device (6) comprises a driving IC.
2. The vehicular lamp capable of automatically adjusting brightness according to claim 1, wherein the heat sink (2) comprises a heat sink housing (21) disposed at one end of the lamp body (1), a heat sink fan (22) disposed in the heat sink housing (21), and a heat sink fan cover (23) fixedly connected to the heat sink housing (21) to cover the heat sink fan (22) in the heat sink housing (21).
3. The vehicular lamp capable of automatically adjusting brightness according to claim 1, wherein the LED lamp (31) is located at one end of the light source substrate (3) away from the heat sink (2), and the temperature sensor (32) is located at one end of the light source substrate (3) close to the heat sink (2).
4. The vehicular lamp capable of automatically adjusting brightness according to claim 3, wherein the light source substrate (3) is provided with a heat pipe (7) extending along a length direction thereof and straddling one side of the LED lamp (31) and the temperature sensor (32).
5. The automotive lamp capable of automatically adjusting the brightness according to claim 1, characterized in that a chuck connecting section (13) is arranged on the lamp body (1), and a connecting chuck (8) is fixedly connected to the outer side of the chuck connecting section (13).
6. The automotive light capable of automatically adjusting brightness according to claim 5, characterized in that a sealing ring (81) is arranged between the connecting chuck (8) and the chuck connecting section (13).
7. The vehicular lamp capable of automatically adjusting brightness according to claim 2, wherein the heat sink housing (21) is provided with a wiring opening (211), and the power driving device (6) is provided with a waterproof wire (61) which passes through the wiring opening (211) and is electrically connected with the adapter substrate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920581426.9U CN210088747U (en) | 2019-04-25 | 2019-04-25 | Vehicle lamp capable of automatically adjusting brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920581426.9U CN210088747U (en) | 2019-04-25 | 2019-04-25 | Vehicle lamp capable of automatically adjusting brightness |
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| Publication Number | Publication Date |
|---|---|
| CN210088747U true CN210088747U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920581426.9U Active CN210088747U (en) | 2019-04-25 | 2019-04-25 | Vehicle lamp capable of automatically adjusting brightness |
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| Country | Link |
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| CN (1) | CN210088747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179711A (en) * | 2021-12-21 | 2022-03-15 | 中山易事达光电科技有限公司 | Intelligent induction car lamp system and control method thereof |
-
2019
- 2019-04-25 CN CN201920581426.9U patent/CN210088747U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179711A (en) * | 2021-12-21 | 2022-03-15 | 中山易事达光电科技有限公司 | Intelligent induction car lamp system and control method thereof |
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