CN202186357U - Rearview Mirror - Google Patents

Abstract

A car rearview mirror comprises a lens 1, a mirror housing 2, a four-way adjustment device 3 and a controller arranged in the car. A blower 6 is arranged in a cavity formed by the connection between the lens 1 and the mirror housing 2, so that the cavity formed by the connection between the lens 1 and the mirror housing 2 is connected with the outside through an air inlet 4 and an air outlet 5. The blower can actively suck in and pressurize the outside air, and then blow it out from the air outlets arranged around the lens, so that rainwater can be prevented from falling on the lens and water droplets on the lens can be blown away. In addition, an electric heating device is installed between the lens and the mirror holder, and when there is water or frost on the lens, the water or frost on the lens can be evaporated by heating.

Description

Rearview Mirror

technical field

The utility model relates to an automobile rearview mirror which uses a blower to drive away water droplets, which belongs to the optimization technology of the automobile rearview mirror.

Background technique

In the daily use of the car, the rearview mirror is one of the important safety devices, which is used to grasp the road and vehicle conditions on both sides and behind the car body, so as to help the driver make reasonable judgment and operation. Therefore, the cleanliness and clarity of the rearview mirror are very important to driving safety. When the car is driving daily, the exterior rearview mirror is easy to stick to foreign objects such as rain, snow and dust that affect the line of sight, which will affect driving safety in severe cases. For the above problems, there are also multiple solutions. The main technical solutions include rain cover type, electric heating type, wiper type, blower type, etc., but these technical solutions have complex structures and unsatisfactory effects, so they have not been obtained worldwide so far. Effective promotion application.

In the patent document that the application number is 200810050312.8, a piezoelectric driven automatic raindrop removal automobile rearview mirror is disclosed. It is still relatively complicated and needs to provide a special power supply. In addition, in the working state of high-frequency ultrasound, the water evaporates, but the minerals in the water will deposit on the lens to form hard spots that are difficult to clean, which will affect the lens in severe cases. clarity and longevity.

In the patent document with the application number 201120223105.5, a wind energy dewatering rearview mirror is disclosed. An air inlet is provided at the closed end of the shell, and an upper deflector and a lower deflector are arranged in the space formed by the connection between the shell and the lens. , During the running of the car, high-speed wind enters from the air inlet, diverts through the upper and lower shrouds, and then blows out from the air outlet at the joint between the shell and the lens, which can remove the raindrops on the lens. The disadvantage is that it must rely on the wind generated by the high-speed driving of the car. When the car is just started, or in a traffic jam, the wind speed is usually relatively low, and it is difficult to remove the raindrops on the lens, resulting in low clarity of the rearview mirror, which is not conducive to driving. Safety.

Therefore, it is necessary to find a scheme that is not only effective when driving at a high speed, but also can effectively remove rainwater on the rearview mirror when parking or at a slower speed.

Contents of the invention

The purpose of the utility model is to provide a rearview mirror for a car, which can effectively prevent raindrops from falling on the lens and remove water on the lens no matter whether the car is in a driving state or in a stopped state.

The technical scheme of the present utility model: a car rearview mirror, including a lens 1, a mirror case 2, a four-way adjustment device 3 and a controller located in the car, the lens 1 is embedded in a recess near the edge of the mirror case 2 opening In the slot, the four-way adjusting device 3 is connected to the mirror holder 11 on the back of the lens 1, an air inlet 4 is provided at the closed end of the mirror case 2, and an air outlet 5 is provided at the position where the lens 1 and the mirror case 2 are connected; A blower 6 is arranged in the cavity formed by connecting with the mirror housing 2 .

A partition plate 7 is arranged in the cavity formed by connecting the lens 1 with the mirror housing 2, and the cavity is divided into an air inlet area 8 and an air outlet area 9; the air inlet 4 is located in the air inlet area 8, and the air outlet The air outlet 5 is located in the air outlet area 9 .

The blower 6 is fixed in the opening on the partition plate 7 with the air outlet facing the air outlet area 9 and the air inlet facing the air inlet area 8 .

The air inlet 4 is located at the bottom of the mirror housing 2 . This can prevent rainwater or other sundries from entering the mirror housing 2 through the air inlet 4 .

The blower 6 is electrically connected with the controller.

An electric heating device is installed between the lens 1 and the mirror holder 11.

Beneficial effect:

1. By installing a blower in the rearview mirror, the outside air is actively inhaled and pressurized, and then blown out from the air outlets around the lens, which can prevent rainwater from falling on the lens and blow away the water droplets on the lens.

2. An electric heating device is installed between the lens and the mirror holder. When there is water or frost on the lens, the water or frost on the lens can be evaporated by heating.

3. The driver independently controls the work of the blower through the controller placed in the car.

Description of drawings

Fig. 1 is a side view sectional structure schematic diagram of the utility model;

Fig. 2 is a top view sectional structure schematic diagram of the utility model.

In the figure 1, lens, 11, mirror holder, 2, mirror housing, 3, four-way adjustment device, 4, air inlet, 5, air outlet, 6, blower, 7, partition plate, 8, air inlet area, 9 , Out of the wind area.

Detailed ways

As shown in Figures 1 and 2, a car rearview mirror includes a lens 1, a mirror case 2, a four-way adjustment device 3 and a controller located in the car. The lens 1 is embedded in the edge near the opening end of the mirror case 2. In the groove, the four-way adjustment device 3 is connected with the mirror holder 11 on the back of the lens 1, an air inlet 4 is provided at the closed end of the mirror case 2, and an air outlet 5 is provided at the position where the lens 1 is connected with the mirror case 2; A blower 6 is installed in the cavity formed by the connection of the lens 1 and the mirror case 2 , so that the cavity formed by the connection of the lens 1 and the mirror case 2 communicates with the outside world through the air inlet 4 and the air outlet 5 . The air outlet 5 can be arranged intermittently around the lens, or can be set as an annular air outlet channel around the lens. For the wind that blows out can prevent rainwater from dripping on the eyeglasses, and can blow away the water on the eyeglasses, a part of the air outlet 5 can further be provided with a guide curved surface, so that a part of the wind can change the flow direction and blow to the eyeglasses.

A partition plate 7 is arranged in the cavity formed by connecting the lens 1 with the mirror housing 2, and the cavity is divided into an air inlet area 8 and an air outlet area 9; the air inlet 4 is located in the air inlet area 8, and the air outlet The air outlet 5 is located in the air outlet area 9 .

The blower 6 is fixed in the opening on the partition plate 7 with the air outlet facing the air outlet area 9 and the air inlet facing the air inlet area 8 . The partition plate divides the cavity into two areas, separates the air inlet and the air outlet, and installs the blower 6 in the opening on the partition plate 7 to form an air inlet area 8 and an air outlet area 9 . The partition plate 7 is set in a shape that is conducive to guiding the air flow to the air outlet. As shown in FIG. 1 , the edge of the partition plate 7 is bent toward the air outlet 5 .

The air inlet 4 is located at the bottom of the mirror housing 2 . This can prevent rainwater or other sundries from entering the mirror housing 2 through the air inlet 4 .

The blower 6 is electrically connected with the controller. When it is necessary to start the blower to work, the driver presses the switch key of the controller, the blower 6 starts to work, sucks the air from the outside from the air inlet 4, blows it into the air outlet area 9 after being pressurized, and passes through the air outlet on the edge of the lens 1 5 blow out.

An electric heating device is installed between the lens 1 and the mirror holder 11. The electric heating device is electrically connected with the controller.

During rainy days, raindrops on the eyeglass 1 will affect the sharpness, which will affect the driver's ability to correctly judge the immediate situation behind the car. By adopting the automobile rearview mirror of the utility model, the driver can start the blower to work according to the need, prevent raindrops from falling on the lens through strong wind, and blow away the water droplets on the lens, so that the lens can maintain good clarity.

Sometimes there is water mist or even ice on the lens, and the speed of clearing it only by the wind generated by the blower will be relatively slow. Combined with the electric heating device installed between the lens 1 and the mirror holder 11, the clarity of the lens can be maintained faster and more effectively .

The foregoing embodiments are only used to illustrate and explain the purpose of the utility model, rather than to limit the utility model. Those of ordinary skill in the art can make various changes or substitutions within the essential scope of the utility model. Should belong to the protection scope of the utility model.

Claims (6)

1. automobile rearview mirror; Comprise eyeglass (1), mirror shell (2), four way control device (3) and be located at the controller in the car; Eyeglass (1) is embedded in the groove near mirror shell (2) open end edge, and four way control device (3) is connected with the mirror holder (11) at eyeglass (1) back side, is provided with ventilation inlet (4) at the closed end of mirror shell (2); Be provided with air outlet (5) in eyeglass (1) and mirror shell (2) bonded assembly position, it is characterized in that: in the cavity that eyeglass (1) and mirror shell (2) are connected to form, settle blowing engine (6).

2. automobile rearview mirror according to claim 1 is characterized in that: in the cavity that eyeglass (1) and mirror shell (2) are connected to form, separator of battery plates (7) is set, cavity is separated into air intake district (8) and wind outlet area (9); Described ventilation inlet (4) is positioned at air intake district (8), and described air outlet (5) is positioned at wind outlet area (9).

3. automobile rearview mirror according to claim 2 is characterized in that: described blowing engine (6) is pressed air outlet towards wind outlet area (9), and ventilation inlet is in air intake district (8) are fixed on the perforate on the said separator of battery plates (7).

4. automobile rearview mirror according to claim 2 is characterized in that: described ventilation inlet (4) is positioned at the bottom of mirror shell (2).

5. according to claim 1 or 3 described automobile rearview mirrors, it is characterized in that: described blowing engine (6) is electrically connected with controller.

6. automobile rearview mirror according to claim 1 is characterized in that: between eyeglass (1) and mirror holder (11), electric heating apparatus is installed.

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