CN210567808U - Overtemperature automatic power-off protection motorcycle LED car light - Google Patents
Overtemperature automatic power-off protection motorcycle LED car light Download PDFInfo
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- CN210567808U CN210567808U CN201921571536.3U CN201921571536U CN210567808U CN 210567808 U CN210567808 U CN 210567808U CN 201921571536 U CN201921571536 U CN 201921571536U CN 210567808 U CN210567808 U CN 210567808U
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Abstract
The utility model provides an overtemperature auto-power-off protection motorcycle LED car light belongs to motorcycle lighting device technical field, including light source subassembly, hot protector, the back base plate of light source subassembly is aluminium matter base plate or copper matter base plate or ferroalloy base plate, and back base plate back is provided with the fin, and the fin includes the heat radiation fins that multiunit array set up, and hot protector establishes ties with the light source subassembly, and hot protector passes through fin temperature trigger control light source subassembly power supply break-make. The heat accumulated on the light source assembly is transferred to the radiating fins through the substrate on the back of the light source assembly to be radiated and cooled, the working temperature of the light source assembly is controlled physically, the thermal protector is added to serve as a linkage protection device, and when the radiating fins exceed the set temperature, the light source assembly is prevented from being damaged due to overheating through power-off protection. The utility model provides an overtemperature automatic power-off protection motorcycle LED car light has with low costs, the radiating efficiency is high, can overtemperature automatic power-off protection, later stage overhaul maintain convenient, shine effectual advantage.
Description
Technical Field
The utility model belongs to the technical field of the motorcycle lighting device, especially, relate to an overtemperature automatic power-off protection motorcycle LED car light.
Background
The light source used in the field of lighting at present mainly comprises a halogen light source, a hernia light source and an LED light source, and in recent years, the development of the LED light source technology is fast, and the application is more and more extensive. The motorcycle LED light source radiating fins on the market at present are not protected by temperature control, and when the LED light source is used for a very long time, the LED is damaged when the temperature of the radiating fins rises sharply due to the fact that some part inside the headlamp is abnormal.
SUMMERY OF THE UTILITY MODEL
Based on prior art there is above-mentioned problem, the utility model provides an overtemperature automatic power-off protection motorcycle LED car light, including light source subassembly, hot protector, the back base plate of light source subassembly is aluminium matter base plate or copper matter base plate or ferroalloy base plate, back base plate back is provided with the fin, the fin includes the heat radiation fins that the multiunit array set up, hot protector establishes ties with the light source subassembly, hot protector passes through fin temperature trigger control light source subassembly power supply break-make. The heat accumulated on the light source assembly is transferred to the radiating fins through the substrate on the back of the light source assembly to be radiated and cooled, the working temperature of the light source assembly is controlled physically, the thermal protector is added to serve as a linkage protection device, and when the radiating fins exceed the set temperature, the light source assembly is prevented from being damaged due to overheating through power-off protection. The utility model provides an overtemperature automatic power-off protection motorcycle LED car light has with low costs, the radiating efficiency is high, can overtemperature automatic power-off protection, later stage overhaul maintain convenient, shine effectual advantage.
The utility model discloses a following detailed technical scheme reaches the purpose:
an overtemperature automatic power-off protection motorcycle LED car lamp comprises a light source assembly and a thermal protector, wherein a back substrate of the light source assembly is an aluminum substrate or a copper substrate or an iron alloy substrate, a radiating fin is fixedly arranged on the back of the back substrate through heat conducting glue and comprises a plurality of groups of radiating fins arranged in an array mode, the thermal protector is connected with the light source assembly in series, a metal packaging shell of the thermal protector is embedded in a gap between the two groups of radiating fins, two sides of the metal packaging shell are respectively abutted to the two groups of radiating fins, and the thermal protector controls the power supply on-off of the light source assembly through the temperature triggering of the radiating fin;
the heat accumulated on the light source component is transferred to the radiating fins by utilizing the heat conduction of the substrate at the back of the light source component to carry out heat dissipation and cooling, the working temperature of the light source component is physically controlled, the sustainable working time of the light source component is prolonged, the thermal protector is added to serve as a linkage protection device, and when the temperature of the radiating fins exceeds or reaches a set temperature, namely the action temperature or the temperature limit value of the thermal protector, the switching between a closed state and an open state of a metal sheet contact of the thermal protector is utilized, and the light source component is prevented from being damaged due to overheating through power-off;
compared with the existing motorcycle lamp, the technical scheme can improve the natural heat dissipation efficiency of the light source component, increase the overtemperature protection and effectively avoid the overheating damage of the light source component caused by the accumulation of heat during long-time work; and use the thermal protector as trigger device only need adopt simple power supply control current can, for adopting temperature sensor to need to use complicated control circuit or even microprocessor, can advance reduce cost, and later stage overhaul and maintenance is more convenient.
The LED lamp of the overtemperature automatic power-off protection motorcycle further comprises a main reflecting cover, wherein a plurality of groups of light inlets are transversely arranged on the upper part of the main reflecting cover in an array mode, and a plurality of groups of arc-shaped reflecting grooves are arranged below the light inlets;
the light source subassembly includes main LED light source subassembly, vice LED light source subassembly, main LED light source subassembly, vice LED light source subassembly are provided with corresponding fin and thermal protector respectively, main LED light source subassembly symmetry sets up in vice LED light source subassembly both sides, horizontal array is provided with multiunit LED lamp pearl on the main LED light source subassembly, the preferred parallelly connected mode that adopts of multiunit LED lamp pearl, main LED light source subassembly LED lamp pearl luminescence surface sets up downwards and aligns main reflector light inlet respectively, the light that main LED light source subassembly LED lamp pearl sent jets out forward through corresponding arc reflector slot reflection.
When one group of light source components is automatically powered off and protected due to the fact that the temperature exceeds the set temperature, the other light source component can be manually or automatically switched to, and driving accidents caused by the fact that the vehicle lamp is turned off during driving at night are avoided.
The arc-shaped light reflecting grooves extend downwards in the upward direction, and the length of the arc-shaped light reflecting grooves close to the outer side is shorter than that of the arc-shaped light reflecting grooves close to the inner side, so that the near brightness is larger than the far brightness.
The arc-shaped light reflecting grooves are internally provided with a plurality of arc-shaped light reflecting surfaces, the plurality of arc-shaped light reflecting surfaces are distributed in the arc-shaped light reflecting grooves in a non-regular non-continuous step-shaped array mode, and light can be distributed in a scattering mode and excessive concentration of the light can be avoided through the plurality of arc-shaped light reflecting surfaces.
The utility model adopts the above technical scheme have with low costs, the radiating efficiency is high, can overtemperature automatic power-off protection, later stage overhaul maintain convenient, shine effectual advantage.
Drawings
Fig. 1 is a schematic view of a front view structure of an embodiment of the present invention.
Fig. 2 is a schematic view of a three-dimensional structure according to an embodiment of the present invention (one of the main LED light source assemblies is omitted).
Fig. 3 is a schematic view of a three-dimensional structure of a main reflector according to an embodiment of the present invention.
Fig. 4 and an enlarged structure schematic diagram at a in fig. 3.
Fig. 5 is a schematic view of a three-dimensional structure of a main reflector according to an embodiment of the present invention.
11. The LED light source comprises a main LED light source component 12, an auxiliary LED light source component 13, a back substrate 14, a radiating fin 15, a radiating fin 21, a main reflecting cover 22, a light inlet 23, an arc reflecting groove 24, an arc reflecting surface 31 and a thermal protector.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in the attached drawings, the overtemperature automatic power-off protection motorcycle LED car lamp comprises a light source assembly and a thermal protector 25, wherein a back substrate 13 of the light source assembly is an aluminum substrate, a heat radiating fin 14 is fixedly arranged at the back of the back substrate 13 through heat conducting glue, the heat radiating fin 14 comprises a plurality of groups of heat radiating fins 15 arranged in an array manner, the thermal protector 25 is connected with the light source assembly in series, a metal packaging shell of the thermal protector 25 is embedded in a gap between the two groups of heat radiating fins 15, two sides of the metal packaging shell are respectively abutted against the two groups of heat radiating fins 15, and the thermal protector 25 controls the on-off of power supply of the light source;
the heat accumulated on the light source component is transferred to the radiating fins 14 by utilizing the heat conduction of the base plate 13 at the back of the light source component to carry out heat radiation and temperature reduction, the working temperature of the light source component is physically controlled, the sustainable working time of the light source component is prolonged, the thermal protector 25 is added to serve as a linkage protection device, and when the temperature of the radiating fins 14 exceeds or reaches a set temperature, namely the action temperature or the temperature limit value of the thermal protector 25, the switching between a closed state and an open state of sheet metal contacts of the thermal protector 25 is utilized, and the overheating damage of the light source component is avoided by power-off protection;
compared with the existing motorcycle lamp, the technical scheme can improve the natural heat dissipation efficiency of the light source component, increase the overtemperature protection and effectively avoid the overheating damage of the light source component caused by the accumulation of heat during long-time work; and use thermal protector 25 as trigger device only need adopt simple power supply control current can, for adopting temperature sensor to need to use complicated control circuit or even microprocessor, can advance reduce cost, and later stage overhaul and maintenance is more convenient.
Preferably, the overtemperature automatic power-off protection motorcycle LED lamp further comprises a main reflecting cover 21, a plurality of groups of light inlets 22 are transversely arranged on the upper portion of the main reflecting cover 21 in an array mode, and a plurality of groups of arc-shaped reflecting grooves 23 are arranged below the light inlets 22;
the light source assembly comprises a main LED light source assembly 11 and an auxiliary LED light source assembly 12, the main LED light source assembly 11 and the auxiliary LED light source assembly 12 are respectively provided with corresponding radiating fins 14 and thermal protectors 25, the main LED light source assembly 11 is symmetrically arranged on two sides of the auxiliary LED light source assembly 12, a plurality of groups of LED lamp beads are arranged on the main LED light source assembly 11 in a transverse array mode, the plurality of groups of LED lamp beads are preferably connected in parallel, the LED lamp bead light-emitting surface of the main LED light source assembly 11 is downwards arranged and is respectively aligned with a light inlet 22 of a main reflector 21, and light rays emitted by the LED lamp beads of the main LED light source assembly 11 are reflected by corresponding arc-shaped light.
When one group of light source components is automatically powered off and protected due to the fact that the temperature exceeds the set temperature, the other light source component can be manually or automatically switched to, and driving accidents caused by the fact that the vehicle lamp is turned off during driving at night are avoided.
Preferably, the arc-shaped light reflecting grooves 23 extend downward with the arc-shaped light reflecting grooves 23 extending upward, and the length of the arc-shaped light reflecting grooves 23 near the outer side is shorter than that of the arc-shaped light reflecting grooves 23 near the inner side, so that the near-by brightness is greater than the far-away brightness.
Preferably, a plurality of arc-shaped reflecting surfaces 24 are arranged in the arc-shaped reflecting groove 23, the plurality of arc-shaped reflecting surfaces 24 are distributed in the arc-shaped reflecting groove 23 in an irregular non-continuous step-shaped array, and light can be scattered and distributed through the plurality of arc-shaped reflecting surfaces 24, so that excessive concentration of the light is avoided.
The utility model discloses an foretell embodiment has with low costs, the radiating efficiency is high, can overtemperature auto-power-off protection, later stage overhaul maintain convenient, shine effectual advantage.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (4)
1. The overtemperature automatic power-off protection motorcycle LED car lamp is characterized by comprising a light source assembly and a thermal protector (25), wherein a back substrate (13) of the light source assembly is an aluminum substrate or a copper substrate or an iron alloy substrate, a radiating fin (14) is arranged at the back of the back substrate (13), the radiating fin (14) comprises multiple groups of radiating fins (15) arranged in an array mode, the thermal protector (25) is connected with the light source assembly in series, and the thermal protector (25) controls the on-off of power supply of the light source assembly through the temperature trigger of the radiating fin (14).
2. The overtemperature automatic power-off protection motorcycle LED car lamp according to claim 1, further comprising a main reflecting cover (21), wherein a plurality of groups of light inlets (22) are transversely arranged on the upper portion of the main reflecting cover (21), and a plurality of groups of arc-shaped reflecting grooves (23) are arranged below the light inlets (22);
the LED lamp comprises a light source assembly and is characterized in that the light source assembly comprises a main LED light source assembly (11) and an auxiliary LED light source assembly (12), corresponding radiating fins (14) and a thermal protector (25) are respectively arranged on the main LED light source assembly (11) and the auxiliary LED light source assembly (12), the main LED light source assembly (11) and the auxiliary LED light source assembly (12) are symmetrically arranged on two sides of the auxiliary LED light source assembly (12), a plurality of groups of LED lamp beads are arranged on the main LED light source assembly (11) in a transverse array mode, the LED lamp bead luminous surfaces of the main LED light source assembly (11) are downwards arranged and are respectively aligned with a main light reflecting cover (21) light inlet (22), and light rays emitted by the LED lamp beads.
3. The overtemperature auto-power-off protection motorcycle LED lamp as claimed in claim 2, wherein the arc-shaped light reflecting groove (23) extends downwards with the arc surface upward, and the length of the arc-shaped light reflecting groove (23) close to the outer side is shorter than that of the arc-shaped light reflecting groove (23) close to the inner side.
4. The overtemperature auto-power-off protection motorcycle LED car lamp according to claim 3 is characterized in that a plurality of arc-shaped reflecting surfaces (24) are arranged in the arc-shaped reflecting groove (23), and the plurality of arc-shaped reflecting surfaces (24) are distributed in the arc-shaped reflecting groove (23) in a non-regular non-continuous step-shaped array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921571536.3U CN210567808U (en) | 2019-09-20 | 2019-09-20 | Overtemperature automatic power-off protection motorcycle LED car light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921571536.3U CN210567808U (en) | 2019-09-20 | 2019-09-20 | Overtemperature automatic power-off protection motorcycle LED car light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210567808U true CN210567808U (en) | 2020-05-19 |
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ID=70632455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921571536.3U Active CN210567808U (en) | 2019-09-20 | 2019-09-20 | Overtemperature automatic power-off protection motorcycle LED car light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210567808U (en) |
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2019
- 2019-09-20 CN CN201921571536.3U patent/CN210567808U/en active Active
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