CN119459595A - Water removal system and water removal method for automobile front door glass - Google Patents
Water removal system and water removal method for automobile front door glass Download PDFInfo
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- CN119459595A CN119459595A CN202310989265.8A CN202310989265A CN119459595A CN 119459595 A CN119459595 A CN 119459595A CN 202310989265 A CN202310989265 A CN 202310989265A CN 119459595 A CN119459595 A CN 119459595A
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- water removal
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- air supply
- water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/08—Windows; Windscreens; Accessories therefor arranged at vehicle sides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The invention provides a water removal system and a water removal method for automobile front door glass. The water removing system is used for removing water stains outside window glass of a front vehicle door and comprises a control unit, a gas supply unit, a water removing instruction triggering unit and an air outlet assembly, wherein the gas supply unit, the water removing instruction triggering unit and the air outlet assembly are connected with the control unit, the air outlet assembly is arranged on one side of a shell of a rearview mirror facing the window glass, a gas supply pipeline is communicated between the gas supply unit and the air outlet assembly, the water removing instruction triggering unit is used for sending a water removing control signal to the control unit, the control unit controls the gas supply of the gas supply unit to the gas supply pipeline according to the water removing control signal, and the air outlet assembly blows air flow from the gas supply pipeline to a region of the window glass for observing the rearview mirror so as to remove the water stains outside the window glass. The water removing system provided by the invention can timely and effectively remove water stains on the region of the window glass, where the rearview mirror is observed, so that a water removing scheme for the outer part of the window glass of the front vehicle door is provided.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a water removal system. In addition, the invention also relates to a water removal method for the automobile front door glass.
Background
With the increasing number of private cars, traffic jam is more and more common, and the traffic jam is more serious in rainy days, because collision accidents are easier to happen in rainy days. On the one hand because the wet road surface increases the distance to brake and on the other hand because of the poor view caused by rain covering the glass.
For the latter, a series of techniques such as wiper blade, heating of the rear view mirror, rain eyebrow of the rear view mirror, etc. are being developed, but these techniques do not involve the removal of water from the front door glass area. The only visual perception technology at present relates to the observation of the rearview mirror area on the window glass of a front vehicle door, and only the defogging function inside the window glass is realized. In changing lanes or reversing, we look through the window glass of the front door to see the mirror image in the mirror, so the front of the window glass also requires water removal to see the mirror area.
It is undeniable that the rainwater on the glass of the front door can be taken away when the vehicle runs at a high speed, but the vehicle speed is very slow in the peak period of the travel of the city on duty and off duty, and the rainwater on the glass can be scraped off by the external water cutting of the front door in the process of lifting the glass, but the rainwater can enter the vehicle after the window is opened, so that a water removing scheme outside the window glass of the front door independent of the high speed and external water cutting is needed.
Disclosure of Invention
In view of this, the present invention aims to propose a water removal system to provide a water removal solution for the exterior of the window glass of a front door.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
The water removing system is used for removing water stains outside window glass of a front vehicle door and comprises a control unit, an air supply unit, a water removing instruction triggering unit and an air outlet assembly, wherein the air supply unit, the water removing instruction triggering unit and the air outlet assembly are connected with the control unit;
The control unit is used for controlling the air supply unit to supply air to the air supply pipeline according to the water removal control signal, and the air outlet assembly blows air flow from the air supply pipeline to the area of the rearview mirror observed on the window glass so as to remove water stains in the area outside the window glass.
Further, the air supply pipe is arranged in a harness of the rear view mirror.
Further, the water removal instruction triggering unit comprises a rainfall sensor, a vehicle speed sensor and a vehicle window closing detection switch, and/or the water removal instruction triggering unit comprises a water removal switch.
Further, the air supply unit comprises an accumulation tank, an air compressor and an air pressure sensor, wherein the air compressor is communicated with the accumulation tank, the air pressure sensor is used for detecting air pressure in the accumulation tank, a one-way valve is arranged on a communicating pipeline between the air compressor and the accumulation tank, the accumulation tank is communicated with the air supply pipeline, the air compressor and the air pressure sensor are both connected with the control unit, the air pressure sensor sends detection signals to the control unit, and the air compressor is started and stopped under the control of the control unit.
Further, the air supply unit comprises a pressure relief valve for discharging air in the pressure accumulation tank, and the pressure relief valve is connected with the control unit and is controlled by the control unit to be opened and closed.
Further, the air supply unit comprises an air supply valve arranged between the pressure accumulation tank and the air supply pipeline, and the air supply valve is connected with the control unit so as to be controlled by the control unit to be opened and closed.
Further, an air outlet window is formed in the shell, the air outlet assembly comprises an inner shell arranged at the air outlet window and a flow guide grating arranged in the inner shell, an air inlet used for being connected with the air supply pipeline is formed in the inner shell, and air flow from the air supply pipeline enters the inner shell through the air inlet and is blown out of the air outlet window after being guided by the flow guide grating.
Further, the flow guide grille comprises a plurality of longitudinal flow guide blades and a plurality of transverse flow guide blades which are arranged at intervals, wherein each longitudinal flow guide blade and each transverse flow guide blade are mutually intersected, and a plurality of flow guide ports are separated in the air outlet window.
Compared with the prior art, the invention has the following advantages:
According to the water removal system, the air supply unit and the air outlet assembly arranged on the rearview mirror are configured, the water removal requirement is judged based on the water removal control signals collected by the control unit, the air supply unit is controlled to supply air to the air outlet assembly through the air supply pipeline, so that blowing water removal on the outer part of the window glass is formed, and water stains on the window glass in the area where the rearview mirror is observed can be timely and effectively removed, so that a water removal scheme for the outer part of the window glass of the front vehicle door is provided.
In addition, through setting up rainfall sensor, speed sensor and door window and closing detection switch, can be according to corresponding rainfall size signal, the speed signal that produces and door window closing signal automatic judgement dewatering demand to realize the automatic dewatering to door window glass, be favorable to the promotion automation control level of vehicle.
The invention further provides a water removing method for the front door glass of the automobile, which is used for acquiring a water removing control signal related to removing water stains outside the window glass of the front door and sending out the water removing instruction based on the water removing control signal, wherein when the water removing instruction is sent out, an air source with set pressure supplies air, and the area of the rearview mirror is observed from the outside of the front door.
Further, the water removal control signal comprises a rainfall magnitude signal, a vehicle speed signal and a vehicle window closing signal, the water removal command is sent only when the vehicle speed signal is below a set vehicle speed, the rainfall magnitude signal is above a set rainfall value and the vehicle window closing signal exists, and the set pressure is increased along with the increase of the rainfall magnitude signal, or the water removal control signal comprises a water removal switch signal, and the water removal command is sent when the water removal switch signal exists.
The water removing method for the automobile front door glass can judge reasonable water removing time by means of the obtained water removing control signals, and air is blown from the outside of the front automobile door to the surface of the automobile window glass, so that water stains on the automobile window glass can be effectively removed, a water removing scheme for the outside of the automobile window glass of the front automobile door is provided, a driver can conveniently and smoothly check the mirror image on the reflecting glass of the rearview mirror through the automobile window glass, and driving safety is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention, wherein the words of front and back, top and bottom, etc. are used to indicate relative position and are not intended to limit the invention unduly. In the drawings:
FIG. 1 is a schematic diagram of a system configuration of a water removal system according to an embodiment of the present invention;
FIG. 2 is a schematic view illustrating a structure in which an air outlet assembly is disposed on a rearview mirror according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating an arrangement of an air outlet assembly and an air supply pipeline according to an embodiment of the present invention;
FIG. 4 is a schematic view illustrating an arrangement position of an air outlet assembly in a rearview mirror according to an embodiment of the invention;
FIG. 5 is a block diagram of an air outlet assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view illustrating a structure of a flow guiding grille in an air outlet assembly according to an embodiment of the present invention;
Fig. 7 is a schematic diagram illustrating airflow distribution of air outlet assembly for removing water from air flowing to a window glass according to an embodiment of the present invention;
Fig. 8 is a schematic control flow chart of a water removal method for front door glass of an automobile according to a second embodiment of the invention.
Reference numerals illustrate:
10. A pressure accumulating tank; 11, an air compressor, 12, a one-way valve, 13, an air pressure sensor, 14, a pressure relief valve;
2.a control unit;
3. a water removal instruction triggering unit; 31, a rainfall sensor, 32, a vehicle speed sensor, 33, a water removal switch, 34, and a vehicle window closing detection switch;
4. a gas supply line 40, a gas supply valve;
5. 50 parts of an air outlet assembly, 50 parts of an inner shell, 500 parts of an air inlet, 51 parts of a flow guide grid, 511 parts of a longitudinal flow guide vane, 512 parts of a transverse flow guide vane;
6. 60 parts of rearview mirror, 60 parts of shell, 600 parts of air outlet window, 61 parts of reflective glass, 62 parts of mounting seat, 63 parts of wiring harness, 64 parts of rearview mirror adjusting mechanism;
7. front door, 70, window glass, 71, water removal area, 72, water removal air flow.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be noted that, if terms indicating an orientation or positional relationship such as "upper, lower, left, right, front, rear, inner, outer" or the like are used, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present invention, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be constructed or operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection may be a fixed connection, a detachable connection, or an integral connection, may be a mechanical connection, or an electrical connection, may be a direct connection, may be an indirect connection through an intermediate medium, or may be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in combination with specific cases.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
The present embodiment relates to a water removal system for removing water stains on the outside of a window glass 70 of a front door 7, which can timely and effectively remove water stains on the window glass 70 at a region where the rearview mirror 6 is observed, an exemplary system configuration of which is shown in fig. 1.
In general, the water removal system of the water removal system comprises a control unit 2, and an air supply unit, a water removal instruction triggering unit 3 and an air outlet assembly 5 which are connected with the control unit 2. The air outlet assembly 5 is arranged on one side of the shell 60 of the rearview mirror 6 facing the window glass 70, an air supply pipeline 4 is communicated between the air supply unit and the air outlet assembly 5, the dewatering instruction triggering unit 3 is used for sending a dewatering control signal to the control unit 2, the control unit 2 controls the air supply unit to supply air to the air supply pipeline 4 according to the dewatering control signal, and the air outlet assembly 5 blows air flow from the air supply pipeline 4 to an area of the window glass 70 for observing the rearview mirror 6 so as to remove water stains in the area outside the window glass 70.
Specifically, the water removal instruction triggering unit 3 of the present embodiment includes a rain sensor 31, a vehicle speed sensor 32, and a window closing detection switch 34. Through setting up rainfall sensor 31, speed sensor 32 and door window and close detection switch 34, can be according to the rainfall size signal, the speed signal that correspond to produce, and door window close signal automatic judgement dewatering demand to realize the automatic dewatering to door window glass 70, be favorable to the promotion automation control level of vehicle. Of course, the water removal instruction triggering unit 3 may also include only one water removal switch 33 for controlling water removal only manually, however, it is preferable that the water removal switch 33 is also provided while the rain sensor 31, the vehicle speed sensor 32 and the window closing detection switch 34 are provided so that the driver can manually control water removal to the window glass 70, thereby improving flexible operability of water removal control.
It should be noted that the above-described water removal switch 33 belongs to a newly added arrangement of the vehicle, and may be arranged inside the front door 7 on the driver side. The rain sensor 31, the vehicle speed sensor 32, the window closing detection switch 34 and the like may be existing sensing devices on the vehicle, and related signals may be read from a vehicle-mounted ECU (Electronic Control Unit, an electronic control unit, i.e., a vehicle-mounted computer), and the control unit 2 of the present embodiment may be configured separately or may be directly replaced by the ECU.
As for the air supply unit, there are various configurations, and the air supply of the existing compressed air system on the vehicle may be adopted, or a single compressed air source may be configured. In the present embodiment, the air supply unit includes an accumulator tank 10, an air compressor 11 communicating with the accumulator tank 10, and an air pressure sensor 13 for detecting air pressure in the accumulator tank 10, and a check valve 12 is provided on a communicating pipe between the air compressor 11 and the accumulator tank 10. The accumulator tank 10 is communicated with the air supply pipeline 4, the air compressor 11 and the air pressure sensor 13 are both connected with the control unit 2, the air pressure sensor 13 sends detection signals to the control unit 2 for realizing closed-loop control of system air pressure change, and the air compressor 11 is started and stopped under the control of the control unit 2. The accumulator tank 10, the air compressor 11, the check valve 12, the air pressure sensor 13 and the like are arranged for the air supply unit, so that air can be automatically supplemented for the accumulator tank 10 according to the air pressure condition in the accumulator tank 10, and the internal pressure of the accumulator tank 10 can be flexibly controlled to provide air sources with different air pressure grades for the air outlet assembly 5, thereby improving the water removal effect of the window glass 70.
In addition, the gas supply unit of the present embodiment further includes a pressure release valve 14 for discharging the gas in the accumulator tank 10, and a gas supply valve 40 provided between the accumulator tank 10 and the gas supply line 4. The pressure relief valve 14 is connected with the control unit 2 and is controlled by the control unit 2 to open and close, and the air supply valve 40 is connected with the control unit 2 and is controlled by the control unit 2 to open and close.
The pressure relief valve 14 is provided for the accumulator tank 10, so that when the air pressure in the accumulator tank 10 is too high, the pressure in the accumulator tank 10 can be reduced by the exhaust air, which is beneficial to ensuring the safety of the air supply unit, and the air pressure level in the accumulator tank 10 can be controlled more flexibly in cooperation with the air compressor 11. By configuring the air supply valve 40, the opening and closing actions of the air supply valve 40 can be flexibly controlled by the control unit 2 to switch the air supply state of the air supply pipeline 4, so that the start and stop control of water removal is smoothly realized.
As shown in fig. 2,3 and 4, the air supply line 4 of the present embodiment is arranged in the harness 63 of the rear view mirror 6. The air supply pipeline 4 is arranged along the wire harness 63 of the rearview mirror 6, the air supply pipeline 4 is arranged in the wire harness 63 in a penetrating manner, the arrangement of the air supply pipeline 4 and the wire harness 63 of the rearview mirror 6 can be synchronously completed, the hidden arrangement of the air supply pipeline 4 is realized, the integrated installation configuration is convenient, and the arrangement of the air supply pipeline 4 is realized while the rearview mirror 6 is installed on the front vehicle door 7 through the installation seat 62, so that the assembly efficiency is improved.
In order to facilitate the arrangement of the air outlet assembly 5 on the housing 60, the housing 60 of the present embodiment is provided with an air outlet window 600. The air outlet assembly 5 includes an inner casing 50 disposed at the air outlet window 600, and a flow guide grille 51 disposed inside the inner casing 50. For the specific structural form of the inner casing 50, it is of course possible to flexibly design the inner casing under the condition that the space in the casing 60 allows, in this embodiment, as shown in fig. 5, an air inlet 500 for connecting with the air supply pipeline 4 is provided on the inner casing 50, and the air flow from the air supply pipeline 4 enters the inner casing 50 through the air inlet 500 and is blown out from the air outlet window 600 after being guided by the air guide grille 51. The inner casing 50 is disposed at the air outlet 600 of the casing 60, so that the air flow supplied from the air supply line 4 can be diffused in the inner casing 50 to a certain extent, and then blown out through the air outlet 600, and the air flow is prevented from leaking into the casing 60, thereby affecting the rearview mirror adjusting mechanism 64, the wire harness 63, etc. in the casing 60. By providing the guide grill 51 in the inner housing 50, the air flow is effectively guided to be blown out onto the window glass 70 in an optimal direction, thereby improving the water removal effect.
As shown in fig. 6, the flow guiding grille 51 of the present embodiment includes a plurality of longitudinal flow guiding vanes 511 and a plurality of transverse flow guiding vanes 512 arranged at intervals, and each longitudinal flow guiding vane 511 and each transverse flow guiding vane 512 mutually intersect to separate a plurality of flow guiding ports in the air outlet window 600. The plurality of longitudinal guide vanes 511 and the transverse guide vanes 512 are arranged in a crossing manner, so that the drainage guiding effect of the guide grating 51 can be further improved. With the above arrangement, as shown in fig. 7, the air flow blown by the air outlet assembly 5 may be divergently blown to the water removal area 71 on the window glass 70 that the driver needs to pass when viewing the rearview mirror 6, and the flow direction distribution of the air flow is shown as the water removal air flow 72 shown in the figure.
In summary, in the water removal system of the present embodiment, through configuring the air supply unit and the air outlet assembly 5 disposed on the rearview mirror 6, the water removal requirement is determined based on the water removal control signal collected by the control unit 2, and the air supply unit is controlled to supply air to the air outlet assembly 5 through the air supply pipeline 4, so as to form the air blowing water removal for the exterior of the window glass 70, so that the water stain at the area of the window glass 70 where the rearview mirror 6 is observed can be timely and effectively removed, and a water removal scheme for the exterior of the window glass 70 of the front door 7 is provided.
Example two
The embodiment relates to a water removal method for automobile front door glass, an exemplary control flow of which is shown in fig. 8, and the method mainly comprises the following steps:
Acquiring a water removal control signal related to removing water stains outside the window glass 70 of the front door 7, and sending a water removal instruction based on the water removal control signal;
when a water removal command is issued, air is supplied from an air source with a set pressure, and the area of the mirror 6 is observed from the outside of the front door 7 by blowing the window glass 70.
The water removal method according to the present embodiment may be configured with various water removal systems, and for convenience of understanding, the water removal method for the front door glass of the automobile according to the present embodiment will be described below with reference to the water removal system provided in the first embodiment.
Specifically, the water removal method of the present embodiment includes an automatic mode and a manual mode, and switching between the two modes can be achieved by setting an automatic switch and a manual switch, and water removal is controlled in the automatic mode when the automatic switch is closed and water removal is controlled in the manual mode when the manual switch is closed.
In the automatic mode, the water removal control signal of the present embodiment includes a rain amount signal provided by the rain amount sensor 31, a vehicle speed signal provided by the vehicle speed sensor 32, and a window closing signal provided by the window closing detection switch 34. These signals may be obtained directly from the corresponding sensor devices or read directly from the ECU on board the vehicle.
Based on the above signals, a water removal instruction is issued only when the following conditions are satisfied:
(1) The vehicle speed signal is below a set vehicle speed;
(2) The rainfall magnitude signal is above the set rainfall value;
(3) There is a window close signal (and the window glass 70 is in a closed state).
The set pressure may be a variable value. In the present embodiment, when the above-described water removal condition is satisfied, the set pressure increases as the rainfall amount signal increases. Specifically, the control unit 2 determines whether to drive the air compressor 11 to operate according to the rain level signal (the rain level signal at the moment is above the set rain level) detected by the rain level sensor 31, and establishes different system pressures in the accumulator 10 according to the detected rain level signal at the same time, so that the water removal force can be changed according to the requirement of the water removal force, the high-pressure air blowing is corresponding to the high-pressure air blowing, and the low-pressure air blowing is corresponding to the low-pressure air blowing, thereby obtaining the most suitable water removal effect. When the pressure in the accumulator tank 10 reaches the set pressure of the required level, the air compressor 11 stops working, and when the vehicle speed signal and the window closing signal of the control unit 2 are also satisfied, a water removal instruction is executed by an air source of the set pressure of the level corresponding to the rainfall amount signal, and automatic water removal of the window glass 70 is performed.
It should be noted that the above-described set vehicle speed and flexible setting within a reasonable range, for example, 40 km/h. When the vehicle speed is low or the vehicle is stopped, the air flow speed on the surface of the vehicle is low, the rainwater on the window glass 70 cannot be blown off by itself, the water removal action is required to be started at the moment, and when the vehicle speed is high, the air flow speed on the surface of the vehicle is high, the rainwater on the window glass 70 can be blown off by itself, and at the moment, the water removal instruction is not required to be executed.
In the manual mode, the water removal control signal of the embodiment includes a water removal switch signal, and a water removal instruction is sent when the water removal switch signal exists. The water removal switch signal described above may be provided by a water removal switch 33. The difference between the mode and the automatic mode is that the air supply valve 40 is not automatically opened or closed according to the speed of the vehicle, and the air supply valve 40 is controlled by a water removal switch signal at the moment, so that the subjective operation of a driver is facilitated. In the case where the rain sensor 31 is provided at the same time, the mode is divided into two cases of a rain level signal and a rain level signal, and when there is a rain level signal, the system establishes a set pressure of a corresponding level in advance according to the measured rain level, and at this time, as long as the water removal switch is pressed down and the window glass 70 is in a closed state, the air supply valve 40 can be opened to execute a water removal instruction with an air supply of the set pressure corresponding to the rain level signal. When no rainwater signal exists, the two conditions are corresponding at the moment, namely, no rain exists, and the rainfall sensor 31 fails, at the moment, the air supply unit is adjusted to the highest set pressure by default, air is supplied by an air source with the highest set pressure, and a water removal instruction is executed to cope with various rainfall conditions.
In summary, by means of the obtained water removal control signal, a reasonable water removal time can be determined, air is blown from the outside of the front door 7 to the surface of the window glass 70, and water stains on the window glass 70 can be effectively removed, so that a water removal scheme for the outside of the window glass 70 of the front door 7 is provided, and a driver can conveniently and smoothly view the mirror image on the reflective glass 61 of the rearview mirror 6 through the window glass 70, thereby being beneficial to improving the driving safety.
In the water removal method for the front door glass of the automobile of the present embodiment and the water removal system of the first embodiment, the air compressor 11 is used to provide high-speed air flow, the high-speed air flow is led to the front part of the window glass 70, and the high-speed air flow is used to wash away water stains attached to the window glass 70, so that a driver can observe mirror images in the rearview mirror 6 clearly, further, the view clarity of the rear of the automobile in a rainy day when driving at a low speed is improved, the collision and scratch accidents caused by the poor view are reduced, the driving safety in a rainy day when driving is improved from the fundamental aspect, and the problem of traffic jam caused by scratch due to the influence of the view of the rainy day is also facilitated to be improved.
Compared with a mechanical structure type wiper, the high-pressure gas water removal mode is more convenient to arrange and realize. In the overall system scheme of the embodiment, the electric control degree is higher, different system set pressures in the pressure accumulation tank 10 can be established through different rainfall, and the different set pressures correspond to different blowing wind speeds of the air outlet assembly 5, so that the change of cleaning force and automatic adaptation are realized, and the maximum system set pressure is not required to be established for the pressure accumulation tank 10 at any time, so that the energy consumption of the air compressor 11 can be reduced.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. A water removal system is used for removing water stains outside a window glass (70) of a front vehicle door (7), and is characterized in that:
the water removal system comprises a control unit (2), and an air supply unit, a water removal instruction triggering unit (3) and an air outlet assembly (5) which are connected with the control unit (2);
The air outlet assembly (5) is arranged on one side of a shell (60) of the rearview mirror (6) facing the vehicle window glass (70), and an air supply pipeline (4) is communicated between the air supply unit and the air outlet assembly (5);
The control unit (2) is used for controlling the air supply of the air supply unit to the air supply pipeline (4) according to the water removal control signal, the air outlet assembly (5) blows air flow from the air supply pipeline (4) to the area of the rearview mirror (6) observed on the window glass (70) so as to remove water stains in the area outside the window glass (70).
2. The water removal system of claim 1, wherein:
the air supply line (4) is arranged in a wire harness (63) of the rear view mirror (6).
3. The water removal system of claim 1, wherein:
The water removal instruction triggering unit (3) comprises a rainfall sensor (31), a vehicle speed sensor (32) and a vehicle window closing detection switch (34), and/or the water removal instruction triggering unit (3) comprises a water removal switch (33).
4. The water removal system of claim 1, wherein:
the air supply unit comprises an accumulator tank (10), an air compressor (11) communicated with the accumulator tank (10) and an air pressure sensor (13) for detecting air pressure in the accumulator tank (10), and a one-way valve (12) is arranged on a communicating pipe between the air compressor (11) and the accumulator tank (10);
The pressure accumulation tank (10) is communicated with the air supply pipeline (4), the air compressor (11) and the air pressure sensor (13) are both connected with the control unit (2), the air pressure sensor (13) sends out detection signals to the control unit (2), and the air compressor (11) is started and stopped under the control of the control unit (2).
5. The water removal system of claim 4, wherein:
The air supply unit comprises a pressure relief valve (14) for discharging air in the pressure accumulation tank (10), the pressure relief valve (14) is connected with the control unit (2), and is controlled by the control unit (2) to be opened and closed.
6. The water removal system of claim 4, wherein:
The air supply unit comprises an air supply valve (40) arranged between the pressure accumulation tank (10) and the air supply pipeline (4), and the air supply valve (40) is connected with the control unit (2) so as to be controlled by the control unit (2) to be opened and closed.
7. The water removal system of any one of claims 1 to 6, wherein:
an air outlet window (600) is formed in the shell (60), and the air outlet assembly (5) comprises an inner shell (50) arranged at the air outlet window (600) and a flow guide grid (51) arranged inside the inner shell (50);
An air inlet (500) used for being connected with the air supply pipeline (4) is formed in the inner shell (50), and air flow from the air supply pipeline (4) enters the inner shell (50) through the air inlet (500) and is guided by the flow guide grating (51) and then is blown out of the air outlet window (600).
8. The water removal system of claim 7, wherein:
the flow guiding grid (51) comprises a plurality of longitudinal flow guiding blades (511) and a plurality of transverse flow guiding blades (512) which are arranged at intervals;
each longitudinal guide vane (511) and each transverse guide vane (512) are intersected with each other, and a plurality of guide ports are separated in the air outlet window (600).
9. A water removal method for automobile front door glass is characterized by comprising the following steps:
Acquiring a water removal control signal related to removing water stains outside a window glass (70) of a front vehicle door (7), and sending out the water removal instruction based on the water removal control signal;
when the water removal instruction is issued, air is supplied from an air source with set pressure, and the area of the rearview mirror (6) is observed from the outside of the front door (7) by blowing the window glass (70).
10. The method for removing water from automotive front door glass according to claim 9, wherein:
The water removal control signal comprises a rainfall magnitude signal, a vehicle speed signal and a vehicle window closing signal, the water removal command is sent only when the vehicle speed signal is below a set vehicle speed, the rainfall magnitude signal is above a set rainfall value and the vehicle window closing signal exists, and the set pressure is increased along with the increase of the rainfall magnitude signal;
or, the water removal control signal comprises a water removal switch signal, and the water removal instruction is sent when the water removal switch signal exists.
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