Anti-fog lens for vehicle-mounted lens

By incorporating components such as a heating chamber, centrifugal fan, and heating wire on the anti-fog lens, hot air is used to melt and scrape away ice, solving the problem of unclear shooting caused by lens icing and enabling efficient and clear shooting in low-temperature rain and snow weather.

CN223784606UActive Publication Date: 2026-01-09DONGGUAN GUANGSUO OPTICS CO LTD
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Patent Information

Application Number
CN202423257146.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-29
Publication Date
2026-01-09
Estimated Expiration
2034-12-29

AI Technical Summary

Technical Problem

Existing anti-fog lenses are prone to icing in low-temperature rain and snow, causing ice to form on the outer surface of the lens and affecting the clarity of the image.

Method used

The design incorporates a combination of a heating chamber, centrifugal fan, filter cover, heating wire, lens frame, air outlet, scraper, rain wiper blade, worm gear, and rotary motor. The centrifugal fan draws in and heats external air, which is then blown onto the inside of the lens by the heating wire. The rotary motor drives the scraper to remove ice, ensuring the lens remains clean.

Benefits of technology

It effectively melts and removes ice from the outside of the lens, ensuring the clarity of the lens and guaranteeing the normal use of the vehicle lens in low-temperature rain and snow.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223784606U_ABST
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Abstract

The utility model discloses an anti-fog lens for a vehicle-mounted lens, which relates to the technical field of vehicle-mounted lenses and comprises a lens frame, fixing frames are arranged on the upper side and the lower side of the lens frame, a heating bin is mounted on the upper fixing frame, a heating wire is mounted on the lower side in the heating bin, and the heating bin is communicated with the lens frame. Through the arrangement of the heating bin, the centrifugal fan, the filter cover, the electric heating wire, the lens frame, an air outlet groove, a scraping strip, a rain scraping soft strip, a worm gear and a rotating motor, when the lens is iced, the centrifugal fan sucks external air into the heating bin through centrifugal fan blades, and the external air is heated through the electric heating wire and then blows the inner side face of the anti-fog mirror, so that the anti-fog effect is achieved. The anti-fog mirror is heated, ice blocks on the anti-fog mirror are melted, a rotating motor drives a scraping strip to rotate in a reciprocating mode through a worm wheel, then a rain scraping soft strip quickly scrapes the melted ice blocks, the cleanliness of the outer side face of the lens is guaranteed, and then the shooting definition of the lens is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of automotive lens technology, specifically to an anti-fog lens for automotive lenses. Background Technology

[0002] To ensure safe driving, automotive cameras are often installed on the exterior of vehicles. These cameras allow for precise imaging of the external environment while the car is in motion, ensuring the driver has a complete view and guaranteeing safe driving. To maintain image clarity, anti-fog lenses are installed on the outer side of the camera lens to ensure high-quality images.

[0003] When using existing anti-fog lenses, the outer surface of the lens is prone to icing when exposed to low temperatures, rain, or snow, which compromises the image clarity of the lens inside the lens. Utility Model Content

[0004] The technical problem this invention aims to solve is to overcome existing defects and provide an anti-fog lens for automotive lenses. Through a heating chamber, centrifugal fan, filter cover, heating wire, lens frame, air outlet, wiper blade, wiper blade, worm gear, and rotary motor, when the lens encounters ice, the centrifugal fan draws outside air into the heating chamber via its blades. The heated air is then blown onto the inner surface of the anti-fog lens by the heating wire, melting the ice. The rotary motor, through the worm gear, drives the wiper blade to rotate reciprocally, causing the wiper blade to quickly scrape away the melted ice, ensuring the cleanliness of the outer surface of the lens and thus guaranteeing the clarity of the image captured by the lens. This effectively solves the problems mentioned in the background technology.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an anti-fog lens for automotive lenses, comprising a lens frame, with fixed frames on both the upper and lower sides of the lens frame, a heating chamber mounted on the upper fixed frame, an electric heating wire mounted on the lower side of the heating chamber, the heating chamber being connected to the lens frame, the lens frame and the fixed frame being an integral structure, a rotary motor mounted at the center of the lower side of the lower fixed frame, a scraper mounted on the lower part of the lens frame near the rotary motor, an air outlet groove opened at the upper part of the inner annular groove of the lens frame, a filter cover mounted on the side of the heating chamber away from the centrifugal fan, and an air filter element mounted on the lower side inside the filter cover.

[0006] Furthermore, a wiper blade is installed on one side of the wiper blade, and a worm gear is installed on the lower end of the wiper blade near the rotary motor.

[0007] Furthermore, a lens groove is provided on the inner ring side of the lens frame, an anti-fog mirror is installed in the lens groove, and a centrifugal fan blade is provided on the inner side of the heating chamber.

[0008] Furthermore, the air filter element is disposed inside the lower ring side of the filter cover, and the filter cover is connected to the heating chamber by threads.

[0009] Furthermore, the length of the wiper blade is greater than the inner diameter of the lens frame, and the wiper blade is connected to the wiper strip via a slot.

[0010] Furthermore, the output end of the rotary motor is connected to the worm gear via a worm, and the heating wire is horizontally inserted into the lower part of the heating chamber.

[0011] Furthermore, the output end of the centrifugal fan is keyed to the centrifugal fan blades.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model, through the design of a heating chamber, centrifugal fan, filter cover, heating wire, lens frame, air outlet, scraper, wiper blade, worm gear, and rotary motor, enables the following: When the lens encounters ice, the centrifugal fan draws outside air into the heating chamber through its centrifugal blades, and the heated air is then blown onto the inner surface of the anti-fog lens by the heating wire, thus heating the anti-fog lens and melting the ice on it. The rotary motor drives the scraper to rotate back and forth through the worm gear, which in turn causes the wiper blade to quickly scrape away the melted ice, ensuring the cleanliness of the outer surface of the lens and thus ensuring the clarity of the image captured by the lens. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a side sectional view of the heating chamber and lens frame in this utility model.

[0016] Figure 3 This is a side view of the scraper structure in this utility model.

[0017] In the diagram: 1. Fixed frame; 2. Scraper blade; 3. Rotary motor; 4. Centrifugal fan; 5. Filter cover; 6. Heating chamber; 7. Lens frame; 8. Anti-fog mirror; 9. Centrifugal fan blade; 10. Heating wire; 11. Air filter; 12. Air outlet slot; 13. Lens slot; 14. Scraper blade; 15. Worm gear. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-3 This embodiment provides a technical solution: an anti-fog lens for automotive lenses, including a lens frame 7, with fixed frames 1 on both the upper and lower sides of the lens frame 7. A heating chamber 6 is installed on the upper fixed frame 1, and an electric heating wire 10 is installed on the lower side of the heating chamber 6. The heating chamber 6 is connected to the lens frame 7, and the lens frame 7 and the fixed frame 1 are an integral structure. A rotary motor 3 is installed at the center of the lower side of the lower fixed frame 1. A scraper 2 is installed on the lower part of the lens frame 7 near the rotary motor 3. An air outlet groove 12 is opened on the upper part of the inner annular groove of the lens frame 7. A filter cover 5 is provided on the side of the heating chamber 6 away from the centrifugal fan 4, and an air filter element 11 is installed on the lower side of the inside of the filter cover 5.

[0020] like Figure 1-3 As shown, the anti-fog mirror 8 is secured to the lens frame 7 via the lens groove 3. When encountering low-temperature rain and snow, the outer surface of the anti-fog mirror 8 freezes. The centrifugal fan 4 draws outside air into the heating chamber 6 through the centrifugal fan blades 9. The air filter 11 filters the air, and the heating wire 10 heats the air. The heated air heats the inner surface of the anti-fog mirror 8, causing the ice on the outer surface of the anti-fog mirror 8 to melt. At the same time, the rotary motor 3 drives the worm wheel 15 to rotate through the worm gear, which in turn causes the wiper blade 2 to rotate back and forth. The wiper blade 14 on the wiper blade 2 can wipe away the melted rainwater on the anti-fog mirror 8, ensuring the cleanliness of the anti-fog mirror 8 and thus ensuring the clarity of the images captured by the vehicle-mounted camera.

[0021] A wiper blade 2 has a wiper strip 14 installed on one side, and a worm gear 15 is installed on the lower end of the wiper blade 2 near the rotating motor 3.

[0022] A lens groove 13 is provided on the inner ring side of the lens frame 7, and an anti-fog mirror 8 is installed in the lens groove 13. A centrifugal fan blade 9 is provided on the inner side of the heating chamber 6.

[0023] The air filter element 11 is located inside the lower ring side of the filter cover 5, and the filter cover 5 is connected to the heating chamber 6 by threads.

[0024] The length of the wiper blade 2 is greater than the inner diameter of the lens frame 7, and the wiper blade 2 is connected to the wiper soft strip 14 through a slot.

[0025] The output end of the rotary motor 3 is connected to the worm gear 15 via a worm, and the heating wire 10 is horizontally inserted into the lower part of the heating chamber 6.

[0026] The output end of centrifugal fan 4 is connected to centrifugal fan blade 9 by key.

[0027] The working principle of the anti-fog lens for automotive lenses provided by this utility model is as follows: Figures 1-3 As shown, the anti-fog mirror 8 is secured to the lens frame 7 via the lens groove 3. When encountering low-temperature rain and snow, the outer surface of the anti-fog mirror 8 freezes. The centrifugal fan 4 draws outside air into the heating chamber 6 through the centrifugal fan blades 9. The air filter 11 filters the air, and the heating wire 10 heats the air. The heated air heats the inner surface of the anti-fog mirror 8, causing the ice on the outer surface of the anti-fog mirror 8 to melt. At the same time, the rotary motor 3 drives the worm wheel 15 to rotate through the worm gear, which in turn causes the wiper blade 2 to rotate back and forth. The wiper blade 14 on the wiper blade 2 can wipe away the melted rainwater on the anti-fog mirror 8, ensuring the cleanliness of the anti-fog mirror 8 and thus ensuring the clarity of the images captured by the vehicle-mounted camera.

[0028] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An anti-fog lens for automotive lenses, comprising a lens frame (7), characterized in that: The lens frame (7) is provided with a fixed frame (1) on both the upper and lower sides. A heating chamber (6) is installed on the upper fixed frame (1). An electric heating wire (10) is installed on the lower side of the heating chamber (6). The heating chamber (6) is connected to the lens frame (7). The lens frame (7) and the fixed frame (1) are an integral structure. A rotary motor (3) is installed at the center of the lower side of the fixed frame (1). A scraper (2) is installed on the lower part of the lens frame (7) near the rotary motor (3). An air outlet groove (12) is opened on the upper part of the inner ring groove of the lens frame (7). A filter cover (5) is provided on the side of the heating chamber (6) away from the centrifugal fan (4). An air filter element (11) is installed on the lower side of the inside of the filter cover (5).

2. The anti-fog lens for automotive lenses according to claim 1, characterized in that: A wiper blade (14) is installed on one side of the wiper blade (2), and a worm gear (15) is installed on the lower end of the wiper blade (2) near the rotary motor (3).

3. The anti-fog lens for automotive lenses according to claim 1, characterized in that: The inner ring side of the lens frame (7) is provided with a lens groove (13), and an anti-fog mirror (8) is installed in the lens groove (13). The inner side of the heating chamber (6) is provided with a centrifugal fan blade (9).

4. The anti-fog lens for automotive lenses according to claim 1, characterized in that: The air filter element (11) is disposed inside the lower ring side of the filter cover (5), and the filter cover (5) is connected to the heating chamber (6) by a thread.

5. The anti-fog lens for automotive lenses according to claim 2, characterized in that: The length of the wiper blade (2) is greater than the inner diameter of the lens frame (7), and the wiper blade (2) is connected to the wiper strip (14) through a slot.

6. The anti-fog lens for automotive lenses according to claim 2, characterized in that: The output end of the rotary motor (3) is connected to the worm gear (15) via a worm, and the heating wire (10) is horizontally inserted into the lower part of the heating chamber (6).

7. The anti-fog lens for automotive lenses according to claim 3, characterized in that: The output end of the centrifugal fan (4) is keyed to the centrifugal fan blade (9).