CN115476819A - Preceding defrosting defogging system and vehicle - Google Patents

Abstract

The invention relates to the technical field of vehicle window defrosting devices, in particular to a front defrosting and defogging system and a vehicle; the front defrosting and defogging system includes an air duct, a front windshield and an instrument panel, and the air duct is located inside the instrument panel. The air duct air inlet of the air duct communicates with the air conditioner air outlet of the air conditioner, the air duct air outlet of the air duct is located between the front windshield and the instrument panel, and the air duct air outlet extends to both ends of the instrument panel. The airflow in the air conditioner enters the air duct through the air outlet of the air conditioner and the air inlet of the air duct in turn, and flows out at the air outlet of the air duct. Since the air outlet of the air duct extends to both ends of the instrument panel, the airflow out of the air duct outlet directly blows to the instrument panel On the front windshield within the range of the left and right ends of the front windshield, the air outlet of the air duct covers a wide area, which can quickly and evenly remove the water vapor or frost on the front windshield.

Description

A front defrosting and defogging system and vehicle

technical field

The invention relates to the technical field of vehicle window defrosting devices, in particular to a front defrosting and defogging system and a vehicle.

Background technique

Vehicles are mainly used to carry people and/or goods, etc. With the rapid development of economy, vehicles are widely used. When the temperature difference between the interior and exterior of the vehicle is large, water vapor or frost will often appear on the window, especially in cold regions or in winter, the appearance of water vapor or frost on the window will seriously affect the driver's sight and easily lead to traffic accidents happened. A defrosting and defogging system is generally installed on a vehicle to remove moisture or frost on the front windshield, but the defrosting and defogging systems in the prior art cannot quickly and evenly remove the moisture or frost on the front windshield. , will still affect driving safety.

Contents of the invention

Therefore, the present invention provides a front defrosting and defogging system, which solves or partially solves the problem that the defrosting and defogging systems in the prior art cannot quickly and uniformly remove the water vapor or frost on the front windshield.

In order to achieve the above object, technical solution of the present invention is achieved in that way:

A front defrosting and defogging system, including an air duct, a front windshield and an instrument panel,

The air duct is located inside the instrument panel, the air duct air inlet of the air duct communicates with the air conditioner air outlet of the air conditioner, and the air duct air outlet of the air duct is located on the front windshield and the instrument panel Between, the air outlet of the air duct extends to both ends of the instrument panel.

Optionally, the air outlet of the air duct is located below the black area of the front windshield.

Optionally, there is an assembly gap between the front windshield and the instrument panel, sealing strips are provided at both ends of the assembly gap, and the assembly gap between the sealing strips is the air outlet of the air duct .

Optionally, the front defrosting and defogging system further includes an air duct plate, the outer circumference of the air duct plate is connected with the instrument panel and the front windshield, and the air duct plate, the instrument panel and the front windshield The windshield jointly encloses the air duct;

The air duct air inlet is provided on the air duct plate.

Optionally, the air duct plate and the front windshield are sealed and connected by a sealing strip.

Optionally, the sealing strip is a closed-cell sponge rubber part.

Optionally, the air duct plate is welded to the instrument panel.

Optionally, a plurality of air deflectors are also provided in the air duct, one end of the air guide is located at the air outlet of the air conditioner, and the other ends of the plurality of air guides are arranged along the air outlet of the air duct , the air guide plate divides the air channel into a plurality of air guide channels.

Optionally, a grille is arranged near the air outlet of the air duct.

In the front defrosting and defogging system of the present invention, the air inlet of the air duct communicates with the air outlet of the air conditioner, the air outlet of the air duct is located between the front windshield and the instrument panel, and the airflow in the air conditioner passes through the air outlet of the air conditioner in sequence The air inlet of the air duct enters the air duct and flows out at the air duct outlet. Since the air duct outlet extends to both ends of the instrument panel, the airflow out of the air duct outlet directly blows to the front shield within the range of the left and right ends of the instrument panel. On the windshield, the air outlet of the air duct covers a wide area, which can quickly and evenly remove the water vapor or frost on the front windshield.

Another object of the present invention is to propose a vehicle to solve or partially solve the problem that the defrosting and defogging systems of existing vehicles cannot quickly and evenly remove the water vapor or frost on the front windshield.

In order to achieve the above object, technical solution of the present invention is achieved in that way:

A vehicle, comprising an air conditioner and the above-mentioned front defrosting and defogging system, wherein an air outlet of the air conditioner communicates with the front defrosting and defogging system.

The vehicle has the same advantages as the above-mentioned front defrosting and defogging system compared to the prior art, and will not be repeated here.

The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the specific embodiments of the present invention are enumerated below.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the specific embodiments or prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural schematic diagram of the front defrosting and defogging system of the vehicle according to the present invention;

Fig. 2 is a structural schematic diagram of the air duct layout of the front defrosting and defogging system according to the present invention;

Fig. 3 is the structural representation of the section view of A-A direction in Fig. 2;

Fig. 4 is a schematic diagram of the airflow direction in the front defrosting and defogging system of the present invention;

Fig. 5 is a schematic diagram of the airflow direction in the air duct of the present invention;

Fig. 6 is a partial structural schematic diagram of a perspective view of the front defrosting and defogging system of the present invention;

Fig. 7 is a structural schematic diagram of the assembly of the sealing strip according to the present invention;

Fig. 8 is a structural schematic diagram of the assembly of the wind deflector according to the present invention.

Explanation of reference signs:

1-air duct; 11-air duct inlet; 12-air duct outlet; 2-front windshield; 3-dashboard; 31-first card slot; 4-air conditioner; 41-air conditioner outlet; Black area; 6-sealing strip; 7-air duct plate; 71-flange; 72-folding; 73-second card slot; 8-air deflector;

detailed description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

As shown in Figures 1 to 3, an embodiment of the present application discloses a front defrosting and defogging system, which includes an air duct 1, a front windshield 2 and an instrument panel 3, and the air duct 1 is located on the instrument panel The inner side of the panel 3, the air duct air inlet 11 of the air duct 1 communicates with the air conditioner air outlet 41 of the air conditioner 4, and the air duct air outlet 12 of the air duct 1 is located at the front windshield 2 and the instrument panel 3, the air duct outlet 12 extends to both ends of the instrument panel 3.

Specifically, the air channel 1 is a channel for gas flow, and the gas flows along the air channel 1 .

Front windshield 2 is positioned at the front of driver's cab, is used for windshield and provides clear vision for the driver. Therefore, the presence of water vapor or frost on the current windshield 2 will seriously affect the driver's sight, and easily lead to the occurrence of traffic accidents.

Instrument panel 3 is positioned at the front side of driver's cab, is an assembly of installing various indicating instrument and ignition switch etc. in the driver's cab. It is the control center and decorated object of some equipment, and is the most eye-catching part in the cab. The instrument panel 3 assembly has both technical and artistic functions, and is one of the representatives of vehicle style. The air duct 1 is located inside the instrument panel 3 , that is, the air duct 1 is hidden inside the instrument panel 3 .

The air conditioner 4 of the vehicle is used to adjust and control the temperature, humidity, air cleanliness and air flow in the compartment to the best state, provide a comfortable riding environment for the occupants, and reduce fatigue during the journey; create good working conditions for the driver. A ventilation device that plays an important role in ensuring safe driving. The front defrosting and defogging system communicates with the air conditioner outlet 41 of the air conditioner 4, and uses the airflow flowing out from the air outlet 41 to remove the water vapor or frost on the front windshield 2. When it is necessary to remove the frost on the front windshield 2 At this time, the front defrosting and defogging system can also use the hot air flow of the air conditioner 4 to achieve the purpose of rapid defrosting.

In the front defrosting and defogging system in the embodiment of the present application, the air duct air inlet 11 of the air duct 1 communicates with the air conditioner air outlet 41, and the air duct air outlet 12 of the air duct 1 is located between the front windshield 2 and the instrument panel 3 , the airflow in the air conditioner 4 enters the air duct 1 through the air conditioner air outlet 41 and the air duct inlet 11 in turn, and flows out at the air duct outlet 12. Since the air duct outlet 12 extends to both ends of the instrument panel 3, the air duct exits The air flow from the air outlet 12 is directly blown onto the front windshield 2 within the range of the left and right ends of the instrument panel 3, and the air duct air outlet 12 covers a wide area, and can quickly and evenly remove moisture or frost on the front windshield 2 .

In this application, the two ends of the instrument panel 3 refer to the two ends of the instrument panel 3 in the vehicle width direction, that is, the left and right ends of the instrument panel 3 as shown in FIG. 1 and FIG. 2 .

As shown in FIG. 3 , in an embodiment, the air duct outlet 12 is located below the black area 5 of the front windshield 2 .

The air duct air outlet 12 is located below the black area 5 of the front windshield 2, and the black area 5 can block the air duct air outlet 12 to realize the hidden design of the air duct air outlet 12, and the vehicle appearance is more attractive.

As shown in Figures 3 to 5, in one embodiment, there is an assembly gap between the front windshield 2 and the instrument panel 3, and a sealing strip 6 is arranged at both ends of the assembly gap, and the sealing strip The assembly gap between 6 is the air outlet 12 of the air duct.

When the front windshield 2 and the instrument panel 3 are installed, an assembly gap is usually reserved to match the processing tolerance and assembly tolerance. The sealing strip 6 is used to seal the two ends of the assembly gap to avoid the problem of airflow leakage at both ends of the assembly gap. Using the assembly gap between the front windshield 2 and the instrument panel 3 as the air duct outlet 12, there is no need to set up a separate structure as the air duct outlet 12, which makes the structure of the front defrosting and defogging system simpler. And reduce the occupied space.

The assembly gap reserved during the installation of the front windshield 2 and the instrument panel 3 is usually small, such as an assembly gap of 5mm. Therefore, the gas flowing out from the assembly gap also has the characteristics of a large flow rate, thereby more quickly removing the front windshield. Moisture or frost on glass 2.

The assembly gap reserved for installation of the front windshield 2 and the instrument panel 3 is small, and the black area 5 can better cover the air outlet 12 of the air duct, making the appearance of the vehicle more attractive.

As shown in Figures 3 to 5, in one embodiment, the front defrosting and defogging system further includes an air duct plate 7, and the outer periphery of the air duct plate 7 is connected with the instrument panel 3 and the front windshield 2 , the air channel plate 7 , the instrument panel 3 and the front windshield 2 jointly enclose the air channel 1 ; the air channel plate 7 is provided with the air channel air inlet 11 .

The setting of the air duct plate 7 is used to form an air duct 1 jointly with the instrument panel 3 and the front windshield 2, and the structure of the air duct 1 is simple.

As shown in FIG. 3 and FIG. 5 , in an embodiment, the air duct plate 7 and the front windshield 2 are sealed and connected by a sealing strip 6 .

The sealing strip 6 is used to seal the gap between the air duct plate 7 and the front windshield 2, and can make the air duct 1 an effective closed space.

In one embodiment, the connection method between the sealing strip 6 and the air channel plate 7 , the front windshield 2 and the instrument panel 3 is adhesive connection, the connection method is simple, and the structure is stable.

In actual use, the sticking direction of the sealing strip 6 and the specifications of the sealing strip 6 are set according to the use requirements. For example, when the assembly gap is 5mm, the specification of the sealing strip 6 can be selected as 10mm×10mm, and the sealing strip 6 is pasted vertically.

In one embodiment, the sealing strip 6 is a closed-cell sponge rubber member.

Closed-cell sponge rubber is a sponge rubber in which the internal air cells are closed and independent. Closed-cell sponge rubber has low thermal conductivity, low relative density and buoyancy. The sealing strip 6 of the embodiment of the present application is a closed-cell sponge rubber part, which can also effectively achieve the functions of sound absorption, noise reduction and sealing.

As shown in Figure 5, the outer periphery of the air duct plate 7 connected to the front windshield 2 includes a folded edge 72 bent toward the outside of the air duct plate 7, the folded edge 72 is almost parallel to the front windshield glass 2, and the folded edge 72 can The connection area between the air channel plate 7 and the sealing strip 6 is increased, which facilitates the installation of the sealing strip 6 and increases the connection stability with the sealing strip 6 .

In one embodiment, the air channel plate 7 is welded to the instrument panel 3 .

The connection method of the welding connection is simple and the structure after the connection is stable.

As shown in Figure 5, the outer periphery of the connection between the air channel plate 7 and the instrument panel 3 includes a flange 71 bent toward the outside of the air channel plate 7, and the flange 71 can increase the connection area between the air channel plate 7 and the instrument panel 3, realizing The air duct plate 7 is welded to the instrument panel 3 and increases the stability of the connection with the instrument panel 3 .

In one embodiment, the air duct plate 7 and the instrument panel 3 are connected by ultrasonic welding. Ultrasonic welding uses high-frequency vibration waves to transmit to the surface of the air duct plate 7 and the surface of the instrument panel 3. The surface of the air channel plate 7 and the surface of the instrument panel 3 rub against each other to form fusion between molecular layers. Ultrasonic welding is suitable for plastic welding and metal welding. Therefore, the air channel plate 7 and the instrument panel 3 can be made of plastic or metal, which can be selected according to the actual use requirements.

Ultrasonic welding has the advantages of fast welding speed, high welding strength, good sealing, environmental protection and safety.

As shown in Fig. 6 and Fig. 8, in one embodiment, a plurality of air deflectors 8 are arranged in the air duct 1, and one end of the air deflectors 8 is located at the air outlet 41 of the air conditioner. The other end of the air guide plate 8 is arranged along the air outlet 12 of the air channel, and the air guide plate 8 divides the air channel 1 into a plurality of air guide channels.

The setting of the air guide plate 8 divides the air channel 1 into a plurality of air guide channels, and the air flow enters the air guide channel 1 from the air channel air inlet 11, and the air-conditioning 4 outlet air flow is evenly introduced into each part of the front windshield 2. area, to achieve the purpose of removing moisture or frost on the front windshield 2 quickly and evenly.

As shown in FIG. 6 , the wind deflector 8 is a plate-like structure with a certain curvature.

As shown in Figure 8, the instrument panel 3 is formed with a first slot 31, the air channel plate 7 is formed with a second slot 73, and the upper and lower ends of the air deflector 8 are respectively snapped into the first slot 31 and the second slot. In the slot 73, to realize the fixed connection of the instrument panel 3.

As shown in FIG. 6 , four air guide plates 8 are provided, and the four air guide plates 8 divide the air channel 1 into five air guide channels.

It can be understood that in practical applications, in order to achieve different effects of removing water vapor or frost, the number of the wind deflectors 8 can be adjusted accordingly, which is not limited in this embodiment of the present invention.

As shown in FIG. 5 and FIG. 8 , in an embodiment, a grille 9 is provided near the air outlet 12 of the air duct.

The setting of the grille 9 can prevent foreign matter from entering the air duct 1 and causing damage to the air duct 1 and the interior of the vehicle. Since the air duct air outlet 12 is located below the black area 5 of the front windshield 2, the grille 9 is also located below the black area 5 of the front windshield 2. This hidden design makes the appearance of the vehicle more attractive. .

In the front defrosting and defogging system in the embodiment of the present application, the airflow flowing out of the air conditioner 4 enters the air duct 1 through the air conditioner air outlet 41 and the air duct air inlet 11, and is guided by the air deflector 8, respectively along multiple Two wind guide channels flow towards the front windshield 2, and when the air-flow hits the impact point at the black area 5 of the front windshield 2, the air-flow sticks to the inner surface of the front windshield 2 and flows from bottom to top and from the air duct The air outlet 12 flows out and covers the entire inner surface of the front windshield 2 . Because the airflow can cover the inner surface of the entire front windshield 2, there are no corner areas and areas where the airflow cannot blow, so the water vapor or frost on the front windshield 2 can be removed quickly and evenly.

An embodiment of the present application also discloses a vehicle, which includes an air conditioner 4 and the front defrosting and defogging system of the above embodiment, and the air conditioner air outlet 41 of the air conditioner 4 communicates with the front defrosting and defogging system.

Because the front defrosting and defogging system can quickly and evenly remove the water vapor or frost on the front windshield 2, avoiding the occurrence of water vapor or frost on the window and affecting the driver's sight, thus making the driving of the vehicle safer. Reduce the probability of traffic accidents.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.

Claims (10)

1. A front defrosting and defogging system, characterized in that it comprises an air duct (1), a front windshield (2) and an instrument panel (3), The air duct (1) is located on the inner side of the instrument panel (3), and the air duct air inlet (11) of the air duct (1) communicates with the air conditioner air outlet (41) of the air conditioner (4). The air duct air outlet (12) of the duct (1) is located between the front windshield (2) and the instrument panel (3), and the air duct air outlet (12) extends to the instrument panel (3 ) at both ends. 2. The front defrosting and defogging system according to claim 1, characterized in that, the air duct outlet (12) is located below the black area (5) of the front windshield (2). 3. The front defrosting and defogging system according to claim 1, characterized in that there is an assembly gap between the front windshield (2) and the instrument panel (3), and the two ends of the assembly gap Sealing strips (6) are provided, and the assembly gap between the sealing strips (6) is the air outlet (12) of the air duct. 4. The front defrosting and defogging system according to claim 1, further comprising an air duct plate (7), the outer periphery of the air duct plate (7) is in contact with the instrument panel (3) and the front The windshield (2) is connected, and the air duct plate (7), the instrument panel (3) and the front windshield (2) jointly enclose the air duct (1); The air duct air inlet (11) is provided on the air duct plate (7). 5. The front defrosting and defogging system according to claim 4, characterized in that, the air duct plate (7) and the front windshield (2) are sealed and connected by a sealing strip (6). 6. The front defrosting and defogging system according to claim 3 or 5, characterized in that, the sealing strip (6) is a closed-cell sponge rubber member. 7. The front defrosting and defogging system according to claim 4, characterized in that the air channel plate (7) is welded to the instrument panel (3). 8. The front defrosting and defogging system according to claim 1, characterized in that, a plurality of air deflectors (8) are also arranged in the air duct (1), and one end of the air deflector (8) Located at the air outlet (41) of the air conditioner, the other ends of the plurality of air deflectors (8) are arranged along the air outlet (12) of the air duct, and the air guide (8) guides the air duct ( 1) Divided into multiple air guide channels. 9. The front defrosting and defogging system according to claim 1, characterized in that a grille (9) is arranged near the air outlet (12) of the air duct. 10. A vehicle, characterized in that it comprises an air conditioner (4) and the front defrosting and defogging system according to any one of claims 1-9, the air conditioner air outlet (41) of the air conditioner (4) is connected to the The preceding defrosting and defogging systems are connected.

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