Dot matrix high beam low consumption car headlamp
By introducing a combined heat dissipation system of heat conduction components and cooling fans into automotive headlights, the problem of poor heat dissipation has been solved, enabling a high-brightness, low-energy-consumption dot-matrix automotive headlight design and improving the stability and safety of the LED chips.
Patent Information
- Application Number
- CN202423243425.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing car headlights have poor heat dissipation, resulting in limited brightness and high temperatures that affect their lifespan. They also pose a risk of light decay and burn-out LED chips, impacting driving safety.
The headlights feature a dot-matrix design for high brightness and low energy consumption, including metal mounting components, lens assemblies, driver boards, high/low beam switching modules, light source generation modules, and a cooling system. The cooling system, composed of heat conduction components and a cooling fan, reduces the temperature of the LED chip board through a combination of heat conduction and air cooling.
It improves heat dissipation, reduces power consumption, extends service life, reduces light decay, and ensures the stability and safety of the LED chips.
Smart Images
Figure CN223595723U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile headlamp, and relates to a dot matrix high-brightness low-consumption automobile headlamp. BACKGROUND
[0002] The LED light source has the advantages of energy saving, environmental protection, high brightness, long service life and the like, and gradually becomes a replacement light source widely used in the automobile industry, and the high beam and low beam integrated front headlamp is more and more favored by modern automobile modeling and design due to its unique modeling and the like.
[0003] With the popularity of automobiles, the LED automobile headlamp becomes the focus of the current automobile market and the car lamp market, but the heat dissipation effect of the existing automobile headlamps on the market is poor, and the brightness of the product is greatly limited, and if the brightness and power of the product are improved, the high temperature generated by the operation of the headlamp will affect the service life of the product, cause light decay and even burn the lamp beads, and is not conducive to driving safety. UTILITY MODEL CONTENTS
[0004] The utility model aims at the above problems, and provides a dot matrix high-brightness low-consumption automobile headlamp.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] A dot matrix high-brightness low-consumption automobile headlamp, including headlamp main part, the headlamp main part includes metal installation spare, lens assembly, drive board, far and near light switching module, light source generation module, heat dissipation system, the lens assembly includes lens and lens support, the lens is installed on the metal installation spare through the lens support, the far and near light switching module is located between the light source generation module and the lens assembly, and the far and near light switching module is fixedly installed on the metal installation spare, the light source generation module includes low beam reflector and far light reflector and lamp pearl board, the lamp pearl board is located between the low beam reflector and the far light reflector, the heat dissipation system includes heat dissipation fan and heat conduction spare, the heat conduction spare is fixedly installed on the lamp pearl board, the heat dissipation fan is located at one side of the heat conduction spare, and the heat conduction spare is composed of a plurality of groups of heat dissipation fins.
[0007] In the dot matrix high-brightness low-consumption automobile headlamp, the lens support is provided with a lens mounting hole, the shell of the lens support is provided with a clamping block, and the edge of the lens is fixed in the lens mounting hole through the clamping block.
[0008] In the dot matrix high-brightness low-consumption automobile headlamp, the edge of the lens support is provided with a threaded hole, and the lens support is fixedly installed on the metal installation spare through a screw.
[0009] In the dot matrix high-brightness low-consumption automobile headlamp, the high-low light switching module comprises an electromagnetic valve and a light cutting plate, the light cutting plate is located on one side of the low-beam reflector bowl and the high-beam reflector bowl, and the high-low light switching module is fixedly installed on the metal mounting member through screws.
[0010] In the dot matrix high-brightness low-consumption automobile headlamp, the metal mounting member is internally provided with a lamp bead plate mounting groove, and the edges of the lamp bead plate are fixedly installed in the lamp bead plate mounting groove through screws.
[0011] In the dot matrix high-brightness low-consumption automobile headlamp, the low-beam reflector bowl and the high-beam reflector bowl are in a semicircular arc structure, and the edges of the low-beam reflector bowl and the high-beam reflector bowl are fixedly installed on the metal mounting member through screws.
[0012] In the dot matrix high-brightness low-consumption automobile headlamp, the driving plate is fixedly installed on one side of the metal mounting member through screws.
[0013] In the dot matrix high-brightness low-consumption automobile headlamp, the metal mounting member is provided with a fixing groove for installing a heat dissipation fan, the heat dissipation fan is clamped in the fixing groove, the metal mounting member is externally provided with a protective cover plate, one face of the protective cover plate covers the driving plate, the protective cover plate is provided with heat dissipation holes, the other face of the protective cover plate covers the outside of the heat dissipation fan, and the protective cover plate is fixedly connected with the metal mounting member through screws.
[0014] In the dot matrix high-brightness low-consumption automobile headlamp, one side of the protective cover plate is connected with an L-shaped partition plate, one end of the L-shaped partition plate is fixedly connected with one side of the protective cover plate through screws, the L-shaped partition plate is located between the low-beam reflector bowl and the heat conduction member, and the L-shaped partition plate is provided with through holes.
[0015] In the dot matrix high-brightness low-consumption automobile headlamp, one face of the heat dissipation fin is in contact with the lamp bead plate, and gaps are reserved between each heat dissipation fin, and the heat dissipation fin is made of copper.
[0016] Compared with the prior art, the dot matrix high-brightness low-consumption automobile headlamp has the advantages that:
[0017] 1、 the dot matrix high-brightness low-consumption automobile headlamp is provided with a heat conduction member on one side of the lamp bead plate, heat on the lamp bead plate can be conducted on the heat conduction member, the heat dissipation fan can cool the heat conduction member when working, so that the temperature on the lamp bead plate is prevented from being too high, and the dot matrix high-brightness low-consumption automobile headlamp has the characteristics of low working temperature, small electric energy consumption, high output light efficiency, long service life, small light decay and the like.
[0018] 2. The utility model discloses a high beam and low beam LED lamp bead is arranged on the same lamp pearl board, and the heat transfer element is arranged to transmit the heat generated by the lamp pearl board to the one side of the cooling fan, and the one side of the lamp pearl board directly contacts the radiating fin, and a certain distance is reserved, so that the heat dissipation effect can be improved, and the stability of the lamp pearl board is improved.
[0019] Other advantages, objects and features of the utility model will be partly embodied by the following description, and will be understood by the person skilled in the art through the research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the whole structure schematic diagram of the utility model.
[0021] Figure 2 It is another perspective structure schematic diagram of the utility model.
[0022] Figure 3 It is the explosion structure schematic diagram of the utility model.
[0023] Figure 4 It is the local structure schematic diagram of the utility model.
[0024] Figure 5 It is another perspective local structure schematic diagram of the utility model.
[0025] Figure 6 It is the metal mounting structure schematic diagram of the utility model.
[0026] Figure 7 It is the light source generation module internal structure schematic diagram of the utility model.
[0027] Figure 8 It is the heat transfer element structure schematic diagram of the utility model.
[0028] In the drawing: 1, headlamp main part;2, metal mounting;3, lens assembly;4, drive board;5, high beam and low beam switching module;6, heat dissipation system;7, lens;8, lens support;9, low beam reflector bowl;10, high beam reflector bowl;11, lamp pearl board;12, heat transfer element;13, cooling fan;14, radiating fin;15, lens mounting hole;16, clamping block;17, electromagnetic valve;18, light cutting plate;19, lamp pearl board mounting groove;20, fixed groove;21, protective cover plate;22, L-shaped partition;23, cooling hole. DETAILED DESCRIPTION
[0029] The utility model will be further described below in connection with the drawings.
[0030] As Figures 1-3As shown in the figure, a dot matrix high-light low-consumption car headlamp includes a headlamp body 1, the headlamp body 1 includes a metal mounting 2, a lens assembly 3, a driving board 4, a high-low light switching module 5, a light source generating module, a heat dissipation system 6, the lens assembly 3 includes a lens 7 and a lens support 8, the lens 7 is installed on the metal mounting 2 through the lens support 8, the high-low light switching module 5 is located between the light source generating module and the lens assembly 3, and the high-low light switching module 5 is fixedly installed on the metal mounting 2, the light source generating module includes a low light reflector bowl 9 and a high light reflector bowl 10 and a lamp bead plate 11, the lamp bead plate 11 is located between the low light reflector bowl 9 and the high light reflector bowl 10, the heat dissipation system 6 includes a heat dissipation fan 13 and a heat conduction piece 12, the heat conduction piece 12 is fixedly installed on the lamp bead plate 11, the heat dissipation fan 13 is located on one side of the heat conduction piece 12, and the heat conduction piece 12 is composed of a plurality of groups of heat dissipation fins 14.
[0031] In this embodiment, when in use, the headlamp body 1 is installed on the car and the power is turned on, the LED on the lamp bead plate 11 is lighted by the driving board 4, the high-low light switching module 5 controls the up-down movement of the light cutting plate 18 through the electromagnetic valve 17, so that the switching of the high-low light is realized, and the heat dissipation system 6 is used for heat dissipation.
[0032] In combination with Figure 1 , Figure 2 As shown in the figure, the lens support 8 is provided with a lens mounting hole 15, the shell of the lens support 8 is provided with a clamping block 16, and the edge of the lens 7 is fixed in the lens mounting hole 15 through the clamping block 16.
[0033] Specifically, the edge of the lens support 8 is provided with a screw hole, and the lens support 8 is fixedly installed on the metal mounting 2 through a screw.
[0034] In this embodiment, the lens support 8 is used for connecting the lens 7 and the metal mounting 2, and the lens 7 is used for concentrating the astigmatism, so that the use efficiency of light can be improved.
[0035] In combination with Figure 3 , Figure 4 As shown in the figure, the high-low light switching module 5 includes an electromagnetic valve 17 and a light cutting plate 18, the light cutting plate 18 is located on one side of the low light reflector bowl 9 and the high light reflector bowl 10, and the high-low light switching module 5 is fixedly installed on the metal mounting 2 through a screw.
[0036] In this embodiment, when the LED lamp bead on the lamp bead plate 11 is lighted, the light beam is reflected on the lens 7 after being irradiated on the low light reflector bowl 9 and the high light reflector bowl 10, so that the light beam is concentrated.
[0037] In combination with Figure 6 , Figure 7As shown, the interior of the metal mounting piece 2 is provided with a lamp bead plate mounting groove 19, and the edges of the lamp bead plate 11 are fixedly installed in the lamp bead plate mounting groove 19 through screws.
[0038] In this embodiment, the lamp bead plate mounting groove 19 is used for fixing the lamp bead plate 11, and the lamp bead plate 11 can be inlaid in the lamp bead plate mounting groove 19, so that the assembly is convenient.
[0039] In combination Figure 7 As shown, the low-beam reflector bowl 9 and the high-beam reflector bowl 10 are in a semicircular arc structure, and the edges of the low-beam reflector bowl 9 and the high-beam reflector bowl 10 are fixedly installed on the metal mounting piece 2 through screws.
[0040] In this embodiment, the low-beam reflector bowl 9 and the high-beam reflector bowl 10 surround the outside of the lamp bead plate 11, and are used for collecting the light beams generated by the lamp bead plate 11.
[0041] In combination Figure 3 As shown, the driving plate 4 is fixedly installed on one side of the metal mounting piece 2 through screws.
[0042] In this embodiment, the driving plate 4 is used for driving the power adjustment electronic device of the light source generating module to work normally.
[0043] In combination Figure 3 , Figure 4 , Figure 5 As shown, the metal mounting piece 2 is provided with a fixing groove 20 for installing a heat dissipation fan 13, the heat dissipation fan 13 is clamped in the fixing groove 20, the metal mounting piece 2 is provided with a protective cover plate 21, one face of the protective cover plate 21 covers the driving plate 4, and the protective cover plate 21 is provided with a heat dissipation hole 23, the other face of the protective cover plate 21 covers the outside of the heat dissipation fan 13, and the protective cover plate 21 is fixedly connected with the metal mounting piece 2 through screws.
[0044] In this embodiment, the heat dissipation fan 13 can cool the heat conduction piece 12 when working, so as to prevent the temperature on the lamp bead plate 11 from being too high, and the protective cover plate 21 can protect and fix the driving plate 4 and the heat dissipation fan 13.
[0045] In combination Figure 3 , Figure 4 As shown, one side of the protective cover plate 21 is connected with an L-shaped partition plate 22, one end of the L-shaped partition plate 22 is fixedly connected with one side of the protective cover plate 21 through screws, the L-shaped partition plate 22 is located between the low-beam reflector bowl 9 and the heat conduction piece 12, and the L-shaped partition plate 22 is provided with a through hole.
[0046] In this embodiment, the L-shaped partition plate 22 is used for protecting the heat conduction piece 12, so as to prevent the operator from contacting the heat conduction piece 12.
[0047] Combination Figure 7 、 Figure 8 As shown in the drawings, one face of the heat dissipation fins 14 is in contact with the lamp bead plate 11, and a gap is left between each heat dissipation fin 14, and the heat dissipation fins 14 are made of copper.
[0048] In this embodiment, the heat dissipation fins 14 ensure good heat dissipation effect inside the lamp body, and further effectively improve the heat dissipation effect of the lamp body.
[0049] The working principle of the utility model is:
[0050] In use, the headlamp main body 1 is installed on the automobile and connected to the power supply, the LED on the lamp bead plate 11 is lighted by the driving plate 4, the two sides of the lamp bead plate 11 are provided with LED lamp beads, the light beam is reflected on the lens 7 by the near light reflector bowl 9 and the far light reflector bowl 10, so as to concentrate the light beam, the far and near light switching module 5 controls the up and down movement of the light cutting plate 18 through the electromagnetic valve 17, so as to realize the switching of the far and near light, the heat on the lamp bead plate 11 can be conducted on the heat conduction piece 12 by installing the heat conduction piece 12 on one side of the lamp bead plate 11, the heat conduction piece 12 can be cooled when the cooling fan 13 works, so as to prevent the temperature on the lamp bead plate 11 from being too high, and the utility model has the characteristics of low working temperature, small power consumption, high output light efficiency, long service life, small light decay and the like.
[0051] The specific embodiments described in the present application are only illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model.
[0052] Although the terms 1, headlamp main body; 2, metal mounting; 3, lens assembly; 4, driving plate; 5, far and near light switching module; 6, heat dissipation system; 7, lens; 8, lens support; 9, near light reflector bowl; 10, far light reflector bowl; 11, lamp bead plate; 12, heat conduction piece; 13, cooling fan; 14, heat dissipation fin; 15, lens mounting hole; 16, clamping block; 17, electromagnetic valve; 18, light cutting plate; 19, mounting groove; 20, fixing groove; 21, protective cover plate; 22, L-shaped partition; 23, heat dissipation hole and the like are used more in the present application, but the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the utility model, and it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.
Claims
1. A dot-matrix high-brightness, low-consumption automotive headlight, comprising a headlight body (1), characterized in that, The headlight body (1) includes a metal mounting component (2), a lens assembly (3), a drive board (4), a high / low beam switching module (5), a light source generating module, and a heat dissipation system (6). The lens assembly (3) includes a lens (7) and a lens bracket (8). The lens (7) is mounted on the metal mounting component (2) via the lens bracket (8). The high / low beam switching module (5) is located between the light source generating module and the lens assembly (3), and the high / low beam switching module (5) is fixedly mounted on the metal mounting component (2). The light source generating module includes a low beam reflector (9) and a high beam reflector (10) as well as an LED bead plate (11). The LED bead plate (11) is located between the low beam reflector (9) and the high beam reflector (10). The heat dissipation system (6) includes a cooling fan (13) and a heat conduction component (12). The heat conduction component (12) is fixedly installed on the LED bead plate (11). The cooling fan (13) is located on one side of the heat conduction component (12). The heat conduction component (12) is composed of several sets of heat dissipation fins (14).
2. The dot-matrix high-brightness, low-consumption automotive headlight according to claim 1, characterized in that, The lens bracket (8) is provided with a lens mounting hole (15), and the housing of the lens bracket (8) is provided with a locking block (16). The edge of the lens (7) is fixed in the lens mounting hole (15) by the locking block (16).
3. The dot-matrix high-brightness, low-consumption automotive headlight according to claim 2, characterized in that, The lens bracket (8) has screw holes on its edge, and the lens bracket (8) is fixedly mounted on the metal mounting part (2) by screws.
4. The dot-matrix high-brightness, low-consumption automotive headlight according to claim 3, characterized in that, The high / low beam switching module (5) includes a solenoid valve (17) and a beam cutter (18). The beam cutter (18) is located on one side of the low beam reflector (9) and the high beam reflector (10). The high / low beam switching module (5) is fixedly installed to the metal mounting part (2) by screws.
5. The dot-matrix high-brightness, low-consumption automotive headlight according to claim 4, characterized in that, The metal mounting component (2) has an internal lamp bead plate mounting groove (19), and the edge of the lamp bead plate (11) is fixedly installed in the lamp bead plate mounting groove (19) by screws.
6. The dot-matrix high-brightness, low-consumption automotive headlight according to claim 5, characterized in that, The low beam reflector (9) and high beam reflector (10) are semi-circular arc structures, and the edges of the low beam reflector (9) and high beam reflector (10) are fixedly mounted on the metal mounting piece (2) by screws.
7. The dot-matrix high-brightness, low-consumption automotive headlight according to claim 6, characterized in that, The drive plate (4) is fixedly mounted on one side of the metal mounting piece (2) by screws.
8. The dot-matrix high-brightness, low-consumption automotive headlight according to claim 7, characterized in that, The metal mounting component (2) is provided with a fixing groove (20) for mounting a cooling fan (13). The cooling fan (13) is engaged in the fixing groove (20). A protective cover plate (21) is provided on the outside of the metal mounting component (2). One side of the protective cover plate (21) covers the drive plate (4), and the protective cover plate (21) is provided with heat dissipation holes (23). The other side of the protective cover plate (21) covers the outside of the cooling fan (13). The protective cover plate (21) is fixedly connected to the metal mounting component (2) by screws.
9. The dot-matrix high-brightness, low-consumption automotive headlight according to claim 8, characterized in that, One side of the protective cover (21) is connected to an L-shaped partition (22). One end of the L-shaped partition (22) is fixedly connected to one side of the protective cover (21) by screws. The L-shaped partition (22) is located between the low beam reflector (9) and the heat conduction component (12). The L-shaped partition (22) is provided with a through hole.
10. The dot-matrix high-brightness, low-consumption automotive headlight according to claim 9, characterized in that, One side of the heat dissipation fin (14) is in contact with the lamp bead plate (11), and there is a gap between each heat dissipation fin (14). The heat dissipation fin (14) is made of copper.