A plastic shell for a self-sensing defogger rearview mirror

By using temperature sensors and automatic airflow systems in the car rearview mirror, the atomization problem caused by temperature difference is solved, the self-inductive defogging function is realized, and driving safety is improved.

CN222713399UActive Publication Date: 2025-04-04YANKAI TECH (SHANGHAI) CO LTD

Patent Information

Application Number
CN202421656608.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-04-04
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

Existing car rearview mirrors are prone to fog due to temperature differences inside and outside the environment, resulting in a decrease in the driver's field of vision and increasing driving risks.

Method used

The temperature sensor, air inlet, protective door, diversion pipe, air outlet and air outlet are used to detect the temperature of the rearview mirror through the temperature sensor. When the temperature changes greatly, the protective door will be automatically opened and the airflow will be introduced through the diversion pipe and the shunt pipe to blow away the water mist and dust on the lens.

Benefits of technology

The self-inductive defog function is realized, ensuring the clarity of the rearview mirror and improving the safety of the driver.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222713399U_ABST
    Figure CN222713399U_ABST
Patent Text Reader

Abstract

The utility model provides a plastic shell of a car rearview mirror with self-sensing defogger, which relates to the technical field of car rearview mirrors. The utility model comprises a connecting arm, a shell is arranged on the surface of the connecting arm, an air inlet is provided on the back of the shell, a protective door is rotatably connected to the surface of the air inlet, an air collecting pipe is arranged on the surface of the air inlet, a flow guide pipe is connected to the surface of the air collecting pipe, a shunt pipe is arranged at the end of the flow guide pipe, an air outlet is arranged on the surface of the shunt pipe, an air outlet is arranged on the surface of the shell, a temperature sensor is arranged inside the shell, a temperature sensor, an air inlet, a protective door, a flow guide pipe, an air outlet and an air outlet are adopted, the temperature of the rearview mirror is detected by the temperature sensor, the protective door is rotated to open, the airflow in the driving process is blown out through the air outlet nozzle and blown out through the air outlet at the same time, so that the water mist on the lens is blown away and removed, the self-sensing defogger is played, the clarity of the rearview mirror is ensured, and the driving safety of people is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of automobile rearview mirrors, in particular to a plastic shell of an automobile rearview mirror with self-sensing defogging. Background Art

[0002] According to a plastic shell of a rearview mirror for an automobile disclosed in Chinese patent announcement number CN209079769U, the plastic shell includes a rear shell, a front shell is installed on the front side of the rear shell, and a fixing rod is fixed to one side of the bottom of the rear shell, a mounting groove is provided inside the rear shell, a through groove matching the mounting groove is provided at the middle position inside the front shell, and plug holes are provided on both sides of the inner wall of the rear shell, and there are three plug holes in total, and the three plug holes are distributed in a triangle, and limit plates are provided inside the three plug holes, and pins penetrating the limit plates are plugged into the inside of the three plug holes. The utility model is provided with pins, plug holes, push rods and springs to realize rapid disassembly and assembly of the rearview mirror shell, facilitate later maintenance, and improve the work efficiency of workers. Drainage grooves and arc-shaped portions are provided to realize rapid discharge of rainwater, prevent rainwater from overflowing into the interior of the shell, and avoid rainwater from adhering to the inner wall of the shell for a long time to cause aging of the shell, thereby extending the service life of the rearview mirror shell.

[0003] The above-mentioned comparative documents and prior art have the following technical problems:

[0004] 1. The existing rearview mirrors are easily fogged due to the temperature difference between the inside and outside of the environment, which reduces the driver's field of vision and obstructs the driver's vision, which easily leads to accidents and reduces the safety of driving. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides a self-sensing defogger plastic shell for a rearview mirror of an automobile.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a self-sensing defogger plastic shell of a car rearview mirror, comprising a connecting arm, a shell is provided on the surface of the connecting arm, an air inlet is provided on the back of the shell, a protective door is rotatably connected to the surface of the air inlet, an air collecting pipe is provided on the surface of the air inlet, a flow guide pipe is connected to the surface of the air collecting pipe, a diversion pipe is provided at the end of the flow guide pipe, an air outlet is provided on the surface of the diversion pipe, a plurality of the flow guide pipes are provided, one of the flow guide pipes is connected to a connecting pipe, an air outlet is provided on the surface of the shell, and a temperature sensor is provided inside the shell.

[0007] Preferably, a rotating column is provided inside the connecting arm, and a turn signal lamp is provided on the surface of the shell.

[0008] Preferably, a lens is provided on the surface of the shell, and the air outlet is located outside the lens.

[0009] Preferably, a support frame is provided inside the shell, and the support frame is connected to the surface of the temperature sensor.

[0010] Preferably, a plurality of the shunt tubes are arranged in a linear array, and both ends of the shunt tubes are connected to the surface of the support frame.

[0011] Preferably, a hole is provided at the bottom of the connecting pipe, and the hole corresponds to the position of the air outlet.

[0012] Preferably, the connecting pipe is arranged inside the shell, and the connecting pipe passes through the shell and is connected with the surface of the flow guide pipe.

[0013] Beneficial Effects

[0014] In the utility model, a temperature sensor, an air inlet, a protective door, a guide pipe, an air nozzle and an air outlet are adopted. The temperature of the rearview mirror is detected by the temperature sensor. When the temperature thereof differs greatly from the temperature initially detected, a signal is transmitted to the MCU in the controller inside the vehicle. Then, the controller controls the driving structure to drive the protective door to rotate and open. The airflow during driving enters the guide pipe and the shunt pipe through the air inlet and is blown out through the air nozzle. At the same time, the airflow is blown out through the air outlet through the connecting pipe. The inner and outer sides of the lens are blown by the wind at the same time, so that the water mist on the lens is blown away and removed. The air outlet can also blow away the dust on the surface of the lens, which plays a role of self-sensing defogger, ensures the clarity of the rearview mirror, and improves the driving safety of people. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axonometric view of the utility model;

[0016] Figure 2 It is a structural diagram of the utility model;

[0017] Figure 3 It is the internal structure diagram of the utility model;

[0018] Figure 4 It is a three-dimensional diagram of the utility model;

[0019] Figure 5 For the utility model Figure 4 A is an enlarged view of the middle image.

[0020] Legend:

[0021] 1. Connecting arm; 2. Rotating column; 3. Shell; 4. Lens; 5. Turn signal; 6. Air inlet; 7. Protective door; 8. Air collecting pipe; 9. Temperature sensor; 10. Guide pipe; 11. Diverter pipe; 12. Air outlet; 13. Support frame; 14. Air outlet; 15. Connecting pipe. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0023] The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings. Specific embodiment one:

[0025] Reference Figure 1-5 A plastic housing of a rearview mirror for automobile with self-sensing defogger comprises a connecting arm 1, a rotating column 2 is arranged inside the connecting arm 1, and the rearview mirror can be adjusted by rotating the column 2. A turn signal 5 is arranged on the surface of the housing 3, and a turn signal 5 can be given when turning. A housing 3 is arranged on the surface of the connecting arm 1, and a lens 4 is arranged on the surface of the housing 3. An air inlet 6 is arranged on the back of the housing 3, and the external air flow enters the housing 3 through the air inlet 6. A protective door 7 is connected to the surface of the air inlet 6 by rotation. The protective door 7 is controlled to move by a driving structure, and the driving structure is a servo motor and a rotating shaft. The servo motor is controlled to open by an in-vehicle controller, and then the rotating shaft is driven to rotate, so that the protective door 7 is opened. An air collecting pipe 8 is arranged on the surface of the air collecting pipe 8, and a guide pipe 10 is connected to the surface of the air collecting pipe 8. A shunt pipe 11 is arranged at the end of the guide pipe 10. There are three air collecting pipes 8. The top and bottom of the air collecting pipe 8 located in the center are both provided with a guide pipe 10, and the bottoms of the two air collecting pipes 8 on both sides are provided with a guide pipe 10, and each guide pipe 10 is connected to a shunt pipe 1 1 is connected, a plurality of shunt pipes 11 are arranged in a linear array, and both ends of the shunt pipes 11 are connected to the surface of the support frame 13, an air outlet 12 is arranged on the surface of the shunt pipe 11, a plurality of guide pipes 10 are arranged, and a connecting pipe 15 is connected to the surface of one guide pipe 10, the connecting pipe 15 is arranged inside the shell 3, and the connecting pipe 15 penetrates the shell 3 and is connected to the surface of the guide pipe 10, the guide pipe 10 arranged on the top of the air collecting pipe 8 in the middle position, its surface is connected to the connecting pipe 15, and its end is connected to the shunt pipe 1 located at the top 1 is connected, a hole is provided at the bottom of the connecting pipe 15, and the hole corresponds to the position of the air outlet 14, the surface of the shell 3 is provided with the air outlet 14, the airflow enters the connecting pipe 15 through the guide pipe 10, and is blown out through the air outlet 14, the shell 3 is provided with a temperature sensor 9, the shell 3 is provided with a support frame 13, and the support frame 13 is connected to the surface of the temperature sensor 9, and the setting of the support frame 13 plays a role in supporting and fixing the shunt pipe 11 and the temperature sensor 9.

[0026] When the car drives out from the basement or other environments, the temperature of the rearview mirror is detected by the temperature sensor 9. When the temperature difference between the rearview mirror and the initially detected temperature is large, the signal is transmitted to the MCU in the in-car controller, and then the controller controls the drive structure to open. The drive structure is a servo motor and a rotating shaft. The servo motor is controlled to open by the in-car controller, which drives the rotating shaft to rotate, so that the protective door 7 is opened. The airflow during driving enters the air collecting pipe 8 through the air inlet 6, and then enters the guide pipe 10 and the diversion pipe 11, and is blown out through the air outlet 12. At the same time, the airflow is blown out through the air outlet 14 through the connecting pipe 15. The inner and outer sides of the lens 4 are blown by the wind at the same time, so that the water mist on the lens 4 is blown away and removed, and the air outlet 14 can also blow away the dust on the surface of the lens 4, which plays a role of self-induction defogger, ensures the clarity of the rearview mirror, and improves the safety of driving. Specific embodiment 2:

[0028] Reference Figure 1-5 On the premise of satisfying the above structure, a rubber anti-collision strip can be set on the top of the shell 3 to protect the top of the shell 3 to avoid damage to the shell 3 when the shell 3 is scratched with the outside, thereby improving the service life of the shell 3.

[0029] In summary:

[0030] 1. The temperature sensor 9, the air inlet 6, the protective door 7, the guide pipe 10, the air outlet 12 and the air outlet 14 are used to detect the temperature of the rearview mirror through the temperature sensor 9. When the temperature difference between the temperature and the initially detected temperature is large, the signal is transmitted to the MCU in the in-vehicle controller, and then the controller controls the driving structure to drive the protective door 7 to rotate and open. The airflow during driving enters the guide pipe 10 and the shunt pipe 11 through the air inlet 6, and is blown out through the air outlet 12. At the same time, the airflow is blown out through the air outlet 14 through the connecting pipe 15. The inner and outer sides of the lens 4 are blown by the wind at the same time, so that the water mist on the lens 4 is blown away and removed, and the air outlet 14 can also blow away the dust on the surface of the lens 4, which plays a role of self-induction defogger, ensures the clarity of the rearview mirror, and improves the safety of driving.

[0031] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A plastic housing for a self-sensing defogger rearview mirror, comprising a connecting arm (1), characterized in that: A shell (3) is provided on the surface of the connecting arm (1), an air inlet (6) is provided on the back of the shell (3), a protective door (7) is rotatably connected to the surface of the air inlet (6), an air collecting pipe (8) is provided on the surface of the air collecting pipe (8), a flow guide pipe (10) is connected to the surface of the air collecting pipe (8), a flow diversion pipe (11) is provided at the end of the flow diversion pipe (10), an air outlet nozzle (12) is provided on the surface of the flow diversion pipe (11), a plurality of flow guide pipes (10) are provided, and a connecting pipe (15) is connected to the surface of one of the flow guide pipes (10), an air outlet (14) is provided on the surface of the shell (3), and a temperature sensor (9) is provided inside the shell (3).

2. The self-sensing defogger plastic housing for a rearview mirror of an automobile according to claim 1, characterized in that: A rotating column (2) is provided inside the connecting arm (1), and a turn signal lamp (5) is provided on the surface of the housing (3).

3. The self-sensing defogger plastic housing for a rearview mirror of an automobile according to claim 1, characterized in that: A lens (4) is provided on the surface of the housing (3), and the air outlet (14) is located outside the lens (4).

4. The self-sensing defogger plastic housing for a rearview mirror of an automobile according to claim 1, characterized in that: A support frame (13) is provided inside the housing (3), and the support frame (13) is connected to the surface of the temperature sensor (9).

5. The self-sensing defogger plastic housing for a rearview mirror of an automobile according to claim 4, characterized in that: A plurality of the shunt tubes (11) are arranged in a linear array, and both ends of the shunt tubes (11) are connected to the surface of the support frame (13).

6. The self-sensing defogger plastic housing for a rearview mirror of an automobile according to claim 1, characterized in that: The bottom of the connecting pipe (15) is provided with a hole, and the position of the hole corresponds to the position of the air outlet (14).

7. The self-sensing defogger plastic housing for a rearview mirror of an automobile according to claim 1, characterized in that: The connecting pipe (15) is arranged inside the shell (3), and the connecting pipe (15) penetrates the shell (3) and is connected to the surface of the flow guide pipe (10).

Citation Information

Patent Citations

  • Automobile rearview mirror plastic shell

    CN209079769U

Cited By

  • rearview mirror housing

    CN224427255U