Anti-aging car lamp assembly

Abstract

The invention relates to the technical field of vehicle lamps, and discloses an anti-aging vehicle lamp assembly which comprises a fixed outer cylinder and a rotary inner cylinder, the fixed outer cylinder is fixedly installed on a sealing opening of a vehicle lamp base, the rotary inner cylinder is coaxially and rotatably connected into the fixed outer cylinder, and a rotary shaft is coaxially and fixedly installed in the rotary inner cylinder; the space between the rotating shaft and the rotating inner cylinder is divided into two independent adsorption cavities filled with adsorbents through a fixed partition plate, an inner cover and an outer cover are fixedly installed at the two ends of the fixed outer cylinder respectively, a sliding partition plate is arranged on the rotating shaft, the two adsorption cavities are divided into two communicated circulating cavities through the sliding partition plate, and a spiral protruding rod is coaxially arranged in the rotating shaft. The spiral protruding rod is fixedly connected with the inner cover. A guide key is fixed to the bottom of the sliding partition plate. The adsorption cavity is divided into the two independent working units, dynamic switching of the adsorption function and the regeneration function is achieved, the adsorption efficiency is greatly improved, the drying agent does not need to be manually disassembled and replaced, and the problem of high-humidity aging in the automobile lamp is solved.

Description

Technical Field

[0001] The invention relates to the technical field of vehicle lamps, in particular to an anti-aging vehicle lamp assembly. Background Art

[0002] As the core component of automobile safety and lighting functions, the dust removal, dehumidification and sealing technology of headlights is a key systematic project to delay the aging of headlights and ensure optical performance and service life. Modern headlight design uses a multi-layer protection structure to suppress aging factors in a targeted manner. The external sealing layer uses a high-precision injection molding process to seamlessly combine the weather-resistant lampshade with the base, supplemented by a silicone seal and a high and low temperature resistant rubber strip to effectively block the intrusion of external water vapor and dust, and prevent the yellowing and cracking of the lampshade and the oxidation and rust of the metal reflective layer. The internal humidity control actively absorbs residual moisture through a molecular sieve desiccant module (such as zeolite or silica gel) to prevent the deformation and embrittlement of plastic parts due to moisture absorption and expansion, and the growth of mold spots on optical lenses; the dust removal design uses aerodynamically optimized multi-gradient guide grooves and electrostatic dust-repelling coatings to form a dynamic "eddy current barrier" on the surface of the lamp cavity, directional guide dust particles, and combined with the multiple tortuous paths of the labyrinth seal structure at the joints, to synergistically block the transmittance attenuation and surface wear and aging caused by long-term dust deposition.

[0003] In the existing automotive lamp sealing technology, the desiccant module, as the core component of humidity control, is generally encapsulated in a specific position inside the lamp cavity with molecular sieve or silica gel materials, and passively absorbs the water vapor that penetrates the lamp cavity through the principle of physical adsorption. However, due to the limited moisture absorption capacity of the desiccant material, it is easy to reach the saturation threshold under the long-term high humidity conditions of the vehicle (such as frequent use in the rainy season, high-pressure water mist intrusion during car washing), resulting in the attenuation of the moisture absorption efficiency index. Secondly, the saturated desiccant module cannot be regenerated, and the lamp body needs to be manually disassembled for replacement. The operation process involves complex processes such as stripping the lampshade sealant and disconnecting the wiring harness. There is a risk of secondary damage to the sealing structure and high maintenance costs. In addition, users often delay the operation due to unclear replacement cycles or weak maintenance awareness, causing the interior of the lamp cavity to be in a high humidity state for a long time, causing accelerated aging phenomena such as electrochemical corrosion of the metal reflective layer, hydrolysis embrittlement of the plastic substrate, and expansion of microcracks on the surface of the optical lens. At the same time, water vapor condenses into fog under temperature alternation conditions, causing a decrease in light transmittance. Summary of the invention

[0004] (I) Technical problems to be solved: In view of the deficiencies of the prior art, the present invention provides an anti-aging vehicle lamp assembly having the advantage of a regenerative dehumidifying desiccant, thereby solving the problems of low moisture absorption capacity of the desiccant module in the existing vehicle lamps, the need for frequent replacement, and high humidity affecting the aging of the vehicle lamps.

[0005] (II) Technical solution: In order to achieve the above-mentioned purpose of regenerating and recycling the dehumidifying desiccant, the present invention provides the following technical solution: an anti-aging headlight assembly, comprising a fixed outer cylinder and a rotating inner cylinder, wherein the fixed outer cylinder is fixedly mounted on the sealing opening of the headlight base, the rotating inner cylinder is coaxially rotatably connected in the fixed outer cylinder, a rotating shaft is coaxially fixedly mounted in the rotating inner cylinder, the rotating shaft and the rotating inner cylinder are separated into two independent adsorption chambers filled with adsorbent by a fixed partition, the two ends of the fixed outer cylinder are respectively fixedly mounted with an inner cover and an outer cover; the rotating shaft is provided with two sets of sliding partitions that can slide axially, the sliding partitions are The length of the partition is smaller than that of the rotating inner cylinder and separates the two adsorption chambers into two communicating circulation chambers respectively. A spiral convex rod with a spiral track is coaxially arranged in the rotating shaft, and the spiral convex rod is fixedly connected to the inner cover. A guide key that passes through the rotating shaft and moves along the spiral track is fixed at the bottom of the sliding partition; an upper limit position and a lower limit position are axially arranged on the spiral track. When the rotating inner cylinder rotates, the guide key is driven to rotate along the spiral track. When the guide key is at the upper limit position or the lower limit position, the sliding partition presses against the inner cover or the outer cover respectively, so that the gas needs to pass through the two circulation chambers before being discharged.

[0006] Preferably, two inner circulation holes connected to the rotating inner cylinder are symmetrically provided on the left side of the vertical diameter of the inner cover, and two outer circulation holes connected to the rotating inner cylinder are symmetrically provided on the right side of the vertical diameter of the outer cover, and the inner circulation holes are connected to the inside of the headlight, one of the outer circulation holes is connected to an active heat dissipation module, and a one-way valve is fixedly mounted on the other outer circulation hole, and the gas flow direction of the one-way valve is toward the external environment; the two groups of sliding baffles are arranged at 180°, and when one group of sliding baffles is at the upper limit position, the other group of sliding baffles is at the lower limit position; when the guide key moves When it reaches the upper limit position, the sliding baffle slides axially and presses the inner cover tightly, so that the gas in the car lamp enters into the circulation cavity through one of the inner circulation holes, and flows along the gap between the sliding baffle and the outer cover to another circulation cavity, and finally flows back to the car lamp from the other inner circulation hole; when the guide key moves to the lower limit position, the sliding baffle slides axially and presses the outer cover tightly, so that the gas in the active heat dissipation module enters into the circulation cavity through one of the outer circulation holes, and flows along the gap between the sliding baffle and the inner cover to another circulation cavity, and finally is discharged from the other outer circulation hole.

[0007] Preferably, a swing sleeve is coaxially connected to the rotating inner cylinder, one end of the fixed baffle is fixedly connected to the swing sleeve, and the other end of the fixed baffle is fixedly connected to the rotating shaft. A reset module is also provided between the swing sleeve and the rotating inner cylinder to enable the swing sleeve to swing back and forth relative to the rotating inner cylinder. When the vehicle vibrates during driving, the swing sleeve is caused to swing back and forth relative to the rotating inner cylinder. Axial flow fan blades with axial working surfaces in the same direction are provided at both ends of the circulation chamber, and the axial fan blades provided in adjacent circulation chambers The working surfaces of the axial-flow fan blades are different. When the guide key is at the upper limit position or the lower limit position, the sliding baffle is in a horizontal state, and the limiting angles between the upper limit position and the lower limit position are greater than the swing angle of the swing sleeve; when the guide key is at the upper limit position, the wind direction generated by the axial-flow fan blade working surface in the circulation cavity below the sliding baffle is from the inner cover to the outer cover, and the wind direction generated by the axial-flow fan blade working surface in the circulation cavity above the sliding baffle is from the outer cover to the inner cover. During the swinging process of the swinging sleeve, the axial-flow fan blades cause gas flow in the circulation cavity.

[0008] Preferably, the axial flow fan blade is coaxially arranged with the rotating inner cylinder, and one end of the axial flow fan blade is fixedly connected to the swing sleeve, and the other end is fixedly connected to the rotating shaft.

[0009] Preferably, the distance between the axial flow blades at both ends of the circulation chamber is smaller than the length of the rotating inner cylinder.

[0010] Preferably, the reset module includes a swing key, a slide groove, and an elastic structure. The swing keys are fixedly arranged in several groups along the circumferential direction of the swing sleeve, and the slide grooves are arranged in several groups along the circumferential direction of the rotating inner cylinder. The swing keys are slidably connected to the slide grooves, and the elastic structure is arranged in the circumferential direction of the swing keys and the slide grooves.

[0011] Preferably, the rotating shaft passes through the outer cover and is connected to a driving motor, and the driving motor periodically drives the rotating shaft to rotate 180°.

[0012] Preferably, the sliding baffle is arranged at 90° to the fixed baffle, and the sliding baffle and the fixed baffle are both arranged radially along the rotation axis.

[0013] Preferably, the active heat dissipation module is connected to the heat dissipation structure of the headlight and conducts the heat emitted by the heat dissipation structure of the headlight to the external circulation hole through gas, and an active fan is arranged in the active heat dissipation module.

[0014] Preferably, the guide key width is equal to the spiral track width.

[0015] (III) Beneficial effects: Compared with the prior art, the present invention provides an anti-aging headlight assembly having the following beneficial effects: 1. The anti-aging headlight assembly, through the use of a rotating inner cylinder structure in conjunction with a spiral convex rod structure, separates the adsorption chamber into two independent working units, and cooperates with a 180° periodic rotation drive to achieve dynamic switching of the adsorption and regeneration functions. When the adsorption chamber on one side completes the moisture absorption operation, a high-temperature airflow is introduced through an active heat dissipation module for thermal desorption regeneration, and at the same time, the other adsorption chamber is immediately switched to the working state. Compared with the traditional single desiccant module, the adsorption efficiency is greatly improved, and there is no need to manually disassemble and replace the desiccant during the entire use cycle, which solves the problem of high-humidity aging inside the headlight caused by delayed maintenance.

[0016] 2. The anti-aging lamp assembly converts the vehicle's running vibration into the swinging power of the axial-flow fan blades through the coordinated use of the swinging sleeve structure and the axial-flow fan blade structure. The axial-flow fan blades with asymmetric airfoil design generate directional airflow during the swinging process, which greatly increases the gas processing capacity per unit time in the adsorption stage. Not only does it not require an additional power device, but it also greatly reduces the system's energy consumption through the recovery and utilization of vibration energy, and can maintain an effective dehumidification cycle.

[0017] 3. The anti-aging lamp assembly constructs a natural heat convection system between the lamp cavity and the adsorption cavity by using the adsorption cavity structure in conjunction with the sliding partition structure. During the adsorption stage, the rising airflow formed by the exothermic reaction is used to generate natural suction pressure, so that the moisture inside the lamp can be self-circulated and dehumidified. In the regeneration stage, the desorption reaction is driven by the waste heat of the heat dissipation structure connected to the active heat dissipation module. Compared with the electric heating regeneration method, it is more energy-efficient and avoids the risk of thermal aging of plastic parts caused by local overheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the anti-aging vehicle lamp assembly in the present invention.

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the outer cover of the anti-aging vehicle lamp assembly in the present invention.

[0020] Figure 3 It is a structural front view of the anti-aging vehicle lamp assembly of the present invention.

[0021] Figure 4 It is a structural side view of the anti-aging vehicle lamp assembly in the present invention.

[0022] Figure 5 For the present invention Figure 3 AA section view.

[0023] Figure 6 For the present invention Figure 3 Middle BB section view.

[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of the axial flow fan of the anti-aging vehicle lamp assembly in the present invention.

[0025] Figure 8 It is a schematic diagram of the three-dimensional structure of the sliding baffle of the anti-aging vehicle lamp assembly in the present invention.

[0026] Fig. 9 It is a schematic diagram of the three-dimensional structure of the spiral protruding rod of the anti-aging vehicle lamp assembly in the present invention.

[0027] Fig.10 It is a schematic diagram of the circulation cavity structure of the anti-aging vehicle lamp assembly in the present invention.

[0028] Fig.11 It is a schematic diagram of the structure of the reset module of the anti-aging vehicle lamp assembly in the present invention.

[0029] Fig.12 It is a schematic diagram of the gas flow direction in the adsorption chamber of the anti-aging vehicle lamp assembly in the present invention.

[0030] In the figure: 1. Fixed outer cylinder; 2. Rotating inner cylinder; 21. Fixed partition; 22. Adsorption chamber; 221. Circulation chamber; 3. Rotating shaft; 4. Spiral cam; 41. Spiral track; 42. Upper limit position; 43. Lower limit position; 5. Sliding partition; 51. Guide key; 6. Inner cover; 61. Inner circulation hole; 7. Outer cover; 71. Outer circulation hole; 8. Swing sleeve; 81. Reset module; 811. Swing key; 812. Slide groove; 813. Elastic structure; 9. Axial flow fan blade; 10. Active heat dissipation module; 11. Drive motor. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-Figure 10An anti-aging headlight assembly includes a fixed outer cylinder 1 and a rotating inner cylinder 2. The fixed outer cylinder 1 is fixedly mounted on the sealing port of the headlight base, which can ensure the stability and sealing of the headlight assembly, prevent external dust, water vapor, etc. from entering the interior of the headlight, and extend the service life of the headlight. The rotating inner cylinder 2 is coaxially rotatably connected to the fixed outer cylinder 1, thereby realizing the rotation function of the rotating inner cylinder 2, which is convenient for switching and regeneration of the adsorption chamber 22. A rotating shaft 3 is coaxially fixedly mounted in the rotating inner cylinder 2, and the rotating shaft 3 and the rotating inner cylinder 2 are separated into two independent adsorption chambers 22 filled with adsorbent by a fixed partition 21, so that the independent operation of the adsorption chamber 22 is realized, which is convenient for switching between adsorption and regeneration. An inner cover 6 and an outer cover 7 are fixedly mounted at both ends of the fixed outer cylinder 1, respectively. The inner cover 6 and the outer cover 7 ensure the sealing of the adsorption chamber 22, prevent gas leakage, and improve the adsorption efficiency. The rotating shaft 3 is provided with two sets of sliding baffles 5 which can slide axially. The length of the sliding baffles 5 is smaller than that of the rotating inner cylinder 2 and the two adsorption chambers 22 are respectively divided into two communicating circulation chambers 221 (such as Fig.10 As shown in FIG. 1 ), the design of the sliding partition 5 realizes the switching and regeneration of the adsorption chamber 22, which facilitates the dynamic switching of adsorption and regeneration, and improves the adsorption efficiency and service life. A spiral protruding rod 4 with a spiral track 41 is coaxially arranged in the rotating shaft 3 (as shown in FIG. Figure 8 and Fig. 9 As shown in the figure, the spiral protrusion rod 4 is fixedly connected to the inner cover 6, and the fixed connection between the spiral protrusion rod 4 and the inner cover 6 ensures the stability of the spiral protrusion rod 4, which is convenient for the axial sliding of the sliding partition 5. A guide key 51 is fixed at the bottom of the sliding partition 5, which passes through the rotating shaft 3 and moves along the spiral track 41; the spiral track 41 is axially provided with an upper limit position 42 and a lower limit position 43, and the guide key 51 is driven to rotate along the spiral track 41 when the rotating inner cylinder 2 rotates. When the guide key 51 is at the upper limit position 42 or the lower limit position 43, the sliding partition 5 is respectively pressed against the inner cover 6 or the outer cover 7, so that the gas needs to pass through the two circulation chambers 221 before being discharged.

[0033] See also Figure 1-Figure 10, the vertical diameter of the inner cover 6 is symmetrically provided with two inner circulation holes 61 connected to the rotating inner cylinder 2 on the left side, and the vertical diameter of the outer cover 7 is symmetrically provided with two outer circulation holes 71 connected to the rotating inner cylinder 2 on the right side. The inner circulation holes 61 are connected to the inside of the lamp, one of the outer circulation holes 71 is connected to the active heat dissipation module 10, and the other outer circulation hole 71 is fixedly equipped with a one-way valve (not shown), and the gas flow direction of the one-way valve is toward the external environment, so as to realize the adsorption of moisture inside the lamp and the regeneration cycle of the desiccant. The inner circulation hole 61 is connected to the inside of the lamp, allowing the moisture inside the lamp to enter the adsorption chamber 22 for dehumidification; the outer circulation hole 71 is connected to the active heat dissipation module 10, allowing the high-temperature gas to enter the adsorption chamber 22 to perform thermal desorption and regeneration of the saturated desiccant. The two sets of sliding baffles 5 are set at 180 degrees, and when one set of sliding baffles 5 is at the upper limit position 42, the other set of sliding baffles 5 is at the lower limit position 43. When one set of sliding baffles 5 is at the upper limit position 42, its corresponding adsorption chamber 22 is connected to the inside of the lamp for dehumidification; at the same time, when the other set of sliding baffles 5 is at the lower limit position 43, its corresponding adsorption chamber 22 is connected to the active heat dissipation module 10 for regeneration. The 180-degree setting can ensure that the two adsorption chambers 22 work alternately, ensuring that at least one adsorption chamber 22 is always in working state. Please refer to Fig.12(The direction of the arrow is the direction of air flow). When the guide key 51 moves to the upper limit position 42, the sliding partition 5 slides axially and presses the inner cover 6, so that the gas in the lamp passes through an inner circulation hole 61 to enter the circulation cavity 221, and flows along the gap between the sliding partition 5 and the outer cover 7 to another circulation cavity 221, and finally flows back to the lamp from another inner circulation hole 61; when the guide key 51 moves to the lower limit position 43, the sliding partition 5 slides axially and presses the outer cover 7, so that the gas in the active heat dissipation module 10 passes through an outer circulation hole 71 to enter the circulation cavity 221, and flows along the gap between the sliding partition 5 and the inner cover 6 to another circulation cavity 221, and finally is discharged from another outer circulation hole 71. The active heat dissipation module 10 is connected to the heat dissipation structure of the lamp and conducts the heat emitted by the heat dissipation structure of the lamp to the outer circulation hole 71 through the gas. An active fan is arranged in the active heat dissipation module 10. The active heat dissipation module 10 is connected to the heat dissipation structure of the lamp and can obtain the residual heat of the lamp. The function of the active fan is to convert heat into gas flow, accelerate the conduction of heat and the regeneration process of the desiccant. The heat dissipation structure of the headlight includes a radiator, a heat sink, etc., which are connected to the heating components of the headlight. The active heat dissipation module 10 can effectively obtain and utilize the waste heat by connecting to these heat dissipation structures. The rotating shaft 3 passes through the outer cover 7 and is connected to a drive motor 11, which drives the rotating shaft 3 to rotate 180° periodically. The drive motor 11 drives the rotating shaft 3 to rotate 180° periodically, driving the guide key 51 to move along the spiral track 41, so that the sliding partition 5 switches between the upper limit position 42 and the lower limit position 43. And it can ensure that the adsorption chamber 22 is alternately dehumidified and regenerated, improving the adsorption efficiency and service life. The sliding partition 5 is set at 90° with the fixed partition 21, and the sliding partition 5 and the fixed partition 21 are both set radially along the rotating shaft 3. The 90° setting can ensure that the sliding partition 5 can smoothly press against the inner cover 6 or the outer cover 7 during the sliding process to close the corresponding passage. The width of the guide key 51 is equal to the width of the spiral track 41. The width of the guide key 51 being equal to the width of the spiral track 41 can prevent the guide key 51 from shaking or deviating during the sliding process, thereby ensuring accurate positioning and stable sliding of the sliding partition 5.

[0034] Please refer to Figure 5 , Figure 6 , Figure 7 and Fig.11A swing sleeve 8 is coaxially connected to the rotating inner cylinder 2. One end of the fixed baffle 21 is fixedly connected to the swing sleeve 8, and the other end of the fixed baffle 21 is fixedly connected to the rotating shaft 3. A reset module 81 is provided between the swing sleeve 8 and the rotating inner cylinder 2 to enable the swing sleeve 8 to swing back and forth relative to the rotating inner cylinder 2. When the vehicle vibrates during driving, the swing sleeve 8 swings back and forth relative to the rotating inner cylinder 2. The reset module 81 enables the swing sleeve 8 to swing back and forth relative to the rotating inner cylinder 2 when the vehicle vibrates without the need for additional energy input. This design not only improves the energy utilization efficiency, but also enhances the gas flow within the component through swinging, which helps to improve the dehumidification and regeneration efficiency. Axial flow blades 9 (such as Figure 5 and Figure 7 As shown in the figure, and the working surfaces of the axial flow blades 9 arranged in adjacent circulation chambers 221 are different, the axial flow blades 9 with the same working surfaces can generate a consistent airflow direction during the swinging process, and the different settings of the working surfaces of the axial flow blades 9 in adjacent circulation chambers 221 ensure the effective flow of the airflow in the circulation chamber 221. When the guide key 51 is at the upper limit position 42 or the lower limit position 43, the sliding baffle 5 is in a horizontal state, and the limiting angle between the upper limit position 42 and the lower limit position 43 is greater than the swing angle of the swing sleeve 8, ensuring that the sliding baffle 5 will not be affected during the swinging process of the swing sleeve 8, thereby maintaining a stable closed state. When the guide key 51 is at the upper limit position 42, the wind direction generated by the working surface of the axial flow blade 9 in the circulation chamber 221 below the sliding baffle 5 is from the inner cover 6 to the outer cover 7, and the wind direction generated by the working surface of the axial flow blade 9 in the circulation chamber 221 above the sliding baffle 5 is from the outer cover 7 to the inner cover 6. During the swinging process of the swing sleeve 8, the axial flow blade 9 causes gas flow in the circulation chamber 221.

[0035] Please refer to Figure 5 , Figure 6 , Figure 7 and Fig.11 , the axial-flow fan blades 9 are coaxially arranged with the rotating inner cylinder 2 to ensure that the swing trajectory of the fan blades coincides with the axis of the inner cylinder. When the swing sleeve 8 is vibrated to produce a small angle deflection, the coaxial structure can avoid mechanical interference between the fan blades and the inner wall of the adsorption chamber 22, while ensuring that the working surface of the fan blades is always perpendicular to the airflow direction, maximizing the aerodynamic efficiency. And one end of the axial-flow fan blades 9 is fixedly connected to the swing sleeve 8, and the other end is fixedly connected to the rotating shaft 3 to form a double-point support structure. This design directly converts the vibration energy of the swing sleeve 8 into the swing kinetic energy of the axial-flow fan blades 9 through a rigid connection. Compared with the single-point fixed structure, the energy transfer efficiency is effectively improved. The distance between the axial-flow fan blades 9 at both ends of the circulation chamber 221 is less than the length of the rotating inner cylinder 2, so that the circulation chamber 221 can be fully filled with adsorbent. Please refer to Fig.11The reset module 81 includes a swing key 811, a slide slot 812, and an elastic structure 813. The swing key 811 is fixedly arranged in several groups along the circumferential direction of the swing sleeve 8, and the slide slot 812 is arranged in several groups along the circumferential direction of the rotating inner cylinder 2. The swing key 811 is slidably connected with the slide slot 812, and the swing key 811 and the slide slot 812 are provided with an elastic structure 813 in the circumferential direction. The elastic structure 813 is composed of a disc spring group, and the disc spring group is composed of a heat-resistant titanium-nickel memory alloy spring. When the vehicle is subjected to an instantaneous impact, the swing key 811 compresses the spring to generate displacement, and resets after the vibration ends, realizing the continuous conversion of vibration energy into airflow kinetic energy.

[0036] Working principle: A regenerable adsorbent needs to be placed in the adsorption chamber 22. During installation, the adsorption chamber 22 on one side is connected to the inside of the lamp through the inner circulation hole 61, while the outer circulation hole 71 on the other side is connected to the active heat dissipation module 10 of the lamp. The fixed outer cylinder 1 is fixed to the sealing opening of the base of the lamp.

[0037] During the dehumidification process, the driving motor 11 drives the rotating shaft to rotate 180°, so that the guide key 51 rotates along the spiral track 41 to the upper limit position 42. At this time, one side of the sliding partition 5 is axially pressed against the inner cover 6, closing the passage between the adsorption chamber 22 and the inner cover 6, and forcing the airflow to circulate from the gap between the outer cover 7 on the inner side of the adsorption chamber 22 and the sliding partition 5. When the gas in the lamp cavity enters the adsorption chamber 22 from the inner circulation hole 61, the gas is exothermic in the adsorption and dehumidification process, so its temperature will increase when passing through the adsorbent, so that the gas forms an upward airflow when passing through the adsorbent, and a low-pressure area is formed in the lower circulation chamber 221, generating a natural suction force from the lower inner circulation hole 61 to the upper inner circulation hole 61, and forming a natural flow of gas from the lamp cavity-lower inner circulation hole 61-lower circulation chamber 221-gap between the sliding partition 5 and the outer cover 7-upper circulation chamber 221-upper circulation hole in the lamp cavity and the adsorption chamber 22, so that the gas containing water vapor in the lamp can form natural heat convection and be absorbed by the adsorbent in the adsorption chamber 22 without the aid of an additional gas active circulation structure, thereby effectively reducing the humidity in the lamp.

[0038] During the regeneration process, the guide key 51 rotates along the spiral track 41 to the lower limit position 43. At this time, one side of the sliding partition 5 is axially pressed against the outer cover 7, closing the passage between the adsorption chamber 22 and the outer cover 7, and forcing the airflow to circulate from the gap between the inner cover 6 and the sliding partition 5 near the inner side of the adsorption chamber 22. At the same time, the active heat dissipation module 10 is started (the active heat dissipation module 10 is installed on the lower external circulation hole 71, and the upper external circulation hole 71 is connected to the external environment), and the residual heat of the headlight radiator is introduced into the adsorption chamber 22 through the lower external circulation hole 71, forming a flow path of active heat dissipation module 10-lower external circulation hole 71-lower circulation chamber 221-gap between the sliding partition 5 and the inner cover 6-upper circulation chamber 221-upper external circulation hole 71-external environment. When the high-temperature gas flows through the adsorbent, the adsorbed water is released by thermal desorption to restore the activity of the adsorbent, and the desorbed water vapor is discharged from the upper external circulation hole 71 with the airflow, realizing the regeneration link of the adsorbent.

[0039] When the adsorbent is saturated, the driving motor 11 drives the rotating shaft to rotate 180°, so that the adsorption chamber 22 originally connected to the inner circulation hole 61 rotates to the other side to connect to the outer circulation hole 71 and regenerate, while the adsorption chamber 22 originally connected to the outer circulation hole 71 is now connected to the inner circulation hole 61 for adsorption and dehumidification. Thus, the cycle of adsorption and regeneration is realized. Every time the motor drives the rotating shaft 3 to rotate half a circle, the functions of the two adsorption chambers 22 are interchanged, ensuring that at least one adsorption chamber 22 is always in working state, greatly improving the utilization efficiency of the adsorbent, so that it does not need manual maintenance during the life cycle of the lamp, and solving the aging problem of the lamp affected by moisture due to the saturation failure of the desiccant.

[0040] During the driving process of the vehicle, vibration will be generated, which will be transmitted to the swinging inner cylinder, causing it to rotate back and forth relative to the rotating inner cylinder 2. Specifically, when the swinging inner cylinder swings, the swing key 811 will rotate circumferentially in the slide, and the elastic structure 813 between the swing key 811 and the slide groove 812 will reset it after rotation, generating periodic rotation, thereby forming a swing. This swing causes the axial flow blade 9 to swing back and forth. Specifically, during the adsorption process, when the axial flow fan in the adsorption chamber 22 connected to the inner circulation hole 61 swings, the axial flow blade 9 in the lower circulation chamber 221 (the working surface faces the outer cover 7) will generate a wind direction toward the outer cover 7 side during the swinging process, thereby accelerating the suction rate of the gas in the inner panel of the headlight, and the axial flow blade 9 in the upper circulation chamber 221 (the working surface faces the inner cover 6) will generate a wind direction toward the inner cover 6 side during the swinging process, thereby enhancing the reflux rate of the gas, so that the gas processing volume in the adsorption chamber 22 per unit time is greatly improved. During the regeneration process, when the gas enters the circulation chamber 221 from the external circulation hole 71 through the axial flow blades 9, a certain vortex effect will be generated, which will prolong the residence time of the high-temperature airflow in the adsorbent layer and improve the desorption efficiency. Among them, the directional wind guide function is achieved through its special structural design. It adopts an asymmetric airfoil design. The working surface (positive side) of the axial flow blades 9 has a large inclination angle, while the inclination angle of the leeward side (reverse side) is significantly reduced, forming an obvious difference in aerodynamic characteristics. When the axial flow blades 9 swing along the working surface direction, the inclination angle of the axial flow blades 9 can effectively capture the airflow and produce a strong directional flow; when the axial flow blades 9 swing in the opposite direction, the inclination angle turns into an unfavorable aerodynamic state, causing the airflow to separate and form turbulence, so that the reverse flow is greatly suppressed.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-aging vehicle lamp assembly, comprising a fixed outer cylinder (1) and a rotating inner cylinder (2), wherein the fixed outer cylinder (1) is fixedly mounted on a sealing opening of a vehicle lamp base, the rotating inner cylinder (2) is coaxially rotatably connected in the fixed outer cylinder (1), and a rotating shaft (3) is coaxially fixedly mounted in the rotating inner cylinder (2), characterized in that: The rotating shaft (3) and the rotating inner cylinder (2) are separated into two independent adsorption chambers (22) filled with adsorbent by a fixed partition (21); an inner cover (6) and an outer cover (7) are fixedly mounted at both ends of the fixed outer cylinder (1); two groups of sliding partitions (5) that can slide axially are provided on the rotating shaft (3); the sliding partitions (5) are shorter than the rotating inner cylinder (2) and separate the two adsorption chambers (22) into two interconnected circulation chambers (221); a belt is coaxially provided inside the rotating shaft (3) The spiral protrusion (4) of the spiral track (41) is fixedly connected to the inner cover (6); a guide key (51) is fixedly provided at the bottom of the sliding partition (5) and passes through the rotating shaft (3) and moves along the spiral track (41); an upper limit position (42) and a lower limit position (43) are axially provided on the spiral track (41); when the guide key (51) is at the upper limit position (42) or the lower limit position (43), the sliding partition (5) is respectively pressed against the inner cover (6) or the outer cover (7).

2. The anti-aging vehicle lamp assembly according to claim 1, characterized in that: The inner cover (6) has two inner circulation holes (61) symmetrically arranged on the left side of the vertical diameter thereof and connected to the rotating inner cylinder (2); the outer cover (7) has two outer circulation holes (71) symmetrically arranged on the right side of the vertical diameter thereof and connected to the rotating inner cylinder (2); the inner circulation holes (61) are connected to the interior of the vehicle lamp; one of the outer circulation holes (71) is connected to an active heat dissipation module (10); and the other outer circulation hole (71) is fixedly equipped with a one-way valve; the two groups of sliding baffles (5) are arranged 180 degrees apart, and when one group of sliding baffles (5) is at an upper limit position (42), the other group of sliding baffles (5) is at a lower limit position (43); when the guide key (51) moves to the upper limit position (42), the sliding baffles (5) are in a closed position; ) slides axially and presses against the inner cover (6), so that the gas in the lamp passes through one of the inner circulation holes (61) into the circulation cavity (221), flows along the gap between the sliding baffle (5) and the outer cover (7) into the other circulation cavity (221), and finally flows back into the lamp from the other inner circulation hole (61); when the guide key (51) moves to the lower limit position (43), the sliding baffle (5) slides axially and presses against the outer cover (7), so that the gas in the active heat dissipation module (10) passes through one of the outer circulation holes (71) into the circulation cavity (221), flows along the gap between the sliding baffle (5) and the inner cover (6) into the other circulation cavity (221), and finally is discharged from the other outer circulation hole (71).

3. The anti-aging vehicle lamp assembly according to claim 1, characterized in that: A swing sleeve (8) is also coaxially rotatably connected inside the rotating inner cylinder (2); one end of the fixed baffle (21) is fixedly connected to the swing sleeve (8); the other end of the fixed baffle (21) is fixedly connected to the rotating shaft (3); a reset module (81) is also provided between the swing sleeve (8) and the rotating inner cylinder (2) to enable the swing sleeve (8) to swing back and forth relative to the rotating inner cylinder (2); when the vehicle vibrates during driving, the swing sleeve (8) is caused to swing back and forth relative to the rotating inner cylinder (2); axial flow blades (9) with the same working surfaces are provided at both ends of the circulation chamber (221); and the working surfaces of the axial flow blades (9) provided in adjacent circulation chambers (221) are different. When the guide When the guide key (51) is at the upper limit position (42) or the lower limit position (43), the sliding baffle (5) is in a horizontal state, and the limiting angle between the upper limit position (42) and the lower limit position (43) is greater than the swing angle of the swing sleeve (8); when the guide key (51) is at the upper limit position (42), the wind direction generated by the working surface of the axial flow blade (9) in the circulation chamber (221) below the sliding baffle (5) is in the direction from the inner cover (6) to the outer cover (7), and the wind direction generated by the working surface of the axial flow blade (9) in the circulation chamber (221) above the sliding baffle (5) is in the direction from the outer cover (7) to the inner cover (6). During the swinging process of the swing sleeve (8), the axial flow blade (9) causes gas flow in the circulation chamber (221).

4. The anti-aging vehicle lamp assembly according to claim 3, characterized in that: The axial flow blade (9) is coaxially arranged with the rotating inner cylinder (2), one end of the axial flow blade (9) is fixedly connected to the swing sleeve (8), and the other end of the axial flow blade (9) is fixedly connected to the rotating shaft (3).

5. The anti-aging vehicle lamp assembly according to claim 3, characterized in that: The distance between the axial flow blades (9) at both ends of the circulation chamber (221) is smaller than the length of the rotating inner cylinder (2).

6. The anti-aging vehicle lamp assembly according to claim 3, characterized in that: The reset module (81) comprises a swing key (811), a slide groove (812), and an elastic structure (813); the swing key (811) is fixedly arranged in a plurality of groups along the circumferential direction of the swing sleeve (8); the slide groove (812) is arranged in a plurality of groups along the circumferential direction of the rotating inner cylinder (2); the swing key (811) is slidably connected to the slide groove (812), and the elastic structure (813) is arranged in the circumferential direction of the swing key (811) and the slide groove (812).

7. The anti-aging vehicle lamp assembly according to claim 1, characterized in that: The rotating shaft (3) passes through the outer cover (7) and is connected to a drive motor (11), and the drive motor (11) periodically drives the rotating shaft (3) to rotate 180 degrees.

8. The anti-aging vehicle lamp assembly according to claim 1, characterized in that: The sliding baffle (5) and the fixed baffle (21) are arranged at an angle of 90 degrees, and the sliding baffle (5) and the fixed baffle (21) are both arranged radially along the rotating shaft (3).

9. The anti-aging vehicle lamp assembly according to claim 2, characterized in that: The active heat dissipation module (10) is connected to the heat dissipation structure of the vehicle lamp and conducts the heat emitted by the heat dissipation structure of the vehicle lamp to the external circulation hole (71) through gas. An active fan is provided in the active heat dissipation module (10).

10. The anti-aging vehicle lamp assembly according to claim 1, characterized in that: The width of the guide key (51) is equal to the width of the spiral track (41).

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