WO2020107247A1 - 一种风挡网状层叠式气幕生成装置 - Google Patents

一种风挡网状层叠式气幕生成装置 Download PDF

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Publication number
WO2020107247A1
WO2020107247A1 PCT/CN2018/117809 CN2018117809W WO2020107247A1 WO 2020107247 A1 WO2020107247 A1 WO 2020107247A1 CN 2018117809 W CN2018117809 W CN 2018117809W WO 2020107247 A1 WO2020107247 A1 WO 2020107247A1
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air
air curtain
windshield
pressure
jet
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PCT/CN2018/117809
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English (en)
French (fr)
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王豪
黄继虎
许凯
钱辰光
许萍
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王豪
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Priority to PCT/CN2018/117809 priority Critical patent/WO2020107247A1/zh
Publication of WO2020107247A1 publication Critical patent/WO2020107247A1/zh

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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
    • B60J9/00—Devices not provided for in one of main groups B60J1/00 - B60J7/00
    • B60J9/04—Air curtains
    • 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

Definitions

  • the invention relates to a windshield device for automobiles and other vehicles, in particular to a windshield mesh layered air curtain generating device.
  • the Chinese patent CN201510283488.8 "A kind of air curtain self-cleaning and rainproof device” discloses the use of air curtain jets and adjustable jet angles to remove rain and snow attached to the windows, thereby eliminating traditional windshield wipers
  • the technical solution of the equipment but there are still defects in the patented technical solution, such as a small number of jet ports and weak aerodynamics, such as blockage of the jet port or damage to the regulating motor, which will cause the vehicle to be unable to drive and is forced to stop on the road.
  • the aerodynamic force of the air pump with a working voltage of 12V is weak, which will cause the problem of weak output gas pressure at the end of the jet port.
  • Chinese patent CN201610937941.7 “Method of using wind energy inside and outside the vehicle and windshield air curtain device” discloses a technical solution for utilizing the wind energy obtained during vehicle operation and providing a windshield air curtain device, but vehicles still exist in the technical solution
  • the wind energy obtained at low speed is weak, and the structure is complex, and the output air curtain air is uncontrollable and other defects, resulting in the problem of obstructed driving vision when the vehicle is running at low speed.
  • the present invention is directed to the deficiencies of the above-mentioned prior art, and provides a windshield mesh laminated air curtain generating device, which can form a mesh laminated air curtain layer on the surface of the windshield, with simple structure, stable performance, strong gas curtain gas pressure and controllability And the advantages of good sustainability.
  • a windshield mesh-type stacked air curtain generating device including an air curtain power device and an air curtain nozzle device
  • the air curtain power device is composed of a compressed air power source, an air filter, and a pressure relief valve ⁇ Lubricator, accumulator, air booster and regulating valve are arranged in sequence
  • the air curtain nozzle device is composed of U-shaped connecting air pipe, jet air channel and air curtain nozzle, U-shaped connecting air pipe and the air
  • the air pipe of the curtain power device is connected to the jet air passage through the air inlet connection hole provided on the jet air passage, and the air curtain nozzles are arranged staggered on the jet air passage, and the angle between adjacent air curtain nozzles relative to the jet air passage axis Between 5° and 15°, the relative angle between the air curtain nozzle adjacent to the windshield and the windshield is between 10° and 20°.
  • the staggered array of air curtain nozzles is arranged as a first array of air curtain nozzles and a second array of air curtain nozzles, and the first array of air curtain nozzles is adjacent to the windshield.
  • the pressure reducing valve performs pressure stabilization control on the compressed air output from the compressed air power source, and the pressure of the compressed air after the voltage stabilization control is between 0.6 and 0.8 MPa.
  • the air supercharger pressurizes the compressed air output after the pressure reducing control of the pressure reducing valve, and the output pressure of the pressurized compressed air is 2 to 5 times the original air pressure.
  • the adjusting valve adjusts the pressure of compressed air output by the air booster, and the pressure adjustment range is between 1 and 3.5 MPa, and 3 to 4 pressure adjustment levels are set.
  • the shape structure of the jet air passage matches the shape structure of the windshield.
  • the compressed air power source is one of a super fan, a micro air compressor, and a high-pressure fan, and its working voltage is one of 36V, 48V, 110V, and 220V.
  • the vehicle battery is used to provide The voltage matching the compressed air power source.
  • the beneficial effect of the present invention is that the air curtain power device is in the running state when the driver is driving the vehicle by using the above technical solution, that is, using the vehicle battery to provide the voltage matching the compressed air power source through the power inverter,
  • the voltage range can be between 36V, 48V, 110V, 220V, such as a micro air compressor, 110V working voltage
  • the compressed air power source operates to provide continuous compressed gas for the air pipeline in the device, and the gas pressure can be reached after pressurization 2 to 5 times the original air pressure, so that the air pressure at the end of the air curtain nozzle device maintains a high output pressure
  • the regulating valve provided on the air curtain power device is closed, when the set pressure value is reached, the compressed air power source stops working and the system
  • the internal gas pressure is maintained and the pressure is maintained; when the driver controls the regulating valve, it can be adjusted according to the vehicle's different driving speed, 3 to 4 gear pressure, so that the compressed gas of different pressure value enters the air curtain nozzle device, and is connected through the U
  • the air curtain generating device of the present invention always maintains the operating state during the driving of the vehicle. Due to the use of the compressed air power source equipment with a high working voltage, it can output higher pressure gas and ensure the gas by boosting The pressure of the gas ejected from the end of the curtain nozzle device. At the same time, using the energy storage function of the accumulator and the multi-level pressure regulation of the regulating valve, the compressed air power source can work intermittently, that is, it stops working after reaching the set pressure, and the pressure in the system is always kept constant, thereby extending the service life of the equipment. It also further improves the stability of the overall device and has the advantages of controllability and good sustainability.
  • the staggered air curtain nozzle structure can form a network layered air curtain layer on the windshield surface, that is, the driver's safe visual range, to achieve the rain and snow blocking function covered by the multi-layer air curtain interweaving stack, and a small number of nozzles When clogging, it can still form an air curtain layer to keep rain and snow from falling, to avoid safety problems caused by clogged or damaged air curtain nozzles.
  • the air filter can purify the dust impurities and moisture in the compressed air and improve the stability of the device; the lubricator can lubricate the components of the pressurizing device in the system and lubricate the parts that are not convenient to add lubricating oil. Greatly extend the service life of the components; increase the 12V variable voltage of the vehicle battery through the power inverter to match the compressed air power source with high operating voltage, meet the requirements of generating high air pressure value of the air curtain, and overall improve the device's working stability and Sustainability.
  • the windshield mesh stacked air curtain generating device provided by the invention has the advantages of simple structure, stable performance, strong air curtain gas pressure, good controllability and good sustainability, etc., and solves the gas pressure at the end of the air curtain existing in the prior art
  • the air curtain spout is clogged or damaged, which brings about problems such as the disappearance of the air curtain layer and uncontrollability. It greatly improves the performance of the vehicle and achieves unobstructed sight during driving on rainy or snowy days. .
  • Figure 1 is a schematic diagram of the overall structure of the present invention.
  • FIG. 2 is a schematic view of the side structure of the present invention.
  • FIG. 3 is a schematic diagram of the structure of the present invention A direction
  • FIG. 4 is a schematic diagram of a partially enlarged structure of the I direction of the present invention.
  • FIG. 5 is a schematic diagram of the formation and flow direction of the mesh-shaped laminated air curtain of the present invention.
  • Air curtain power device 1. Air curtain power device; 2. Air curtain spout device; 3. Power inverter; 4. Battery; 5. Windshield; 6. Air curtain layer; 11. Compressed air power source; 12. Air filtration 13. Pressure reducing valve; 14. Lubricator; 15. Accumulator; 16. Air booster; 17. Regulator valve; 18. Air trachea; 21. U-shaped connecting trachea; 22. Jet airway; 23. Air curtain nozzle; 23a. The first arrangement of air curtain nozzles; 23b. The second arrangement of air curtain nozzles; 24. Intake connection hole; ⁇ . The angle between adjacent air curtain nozzles relative to the axis of the jet air channel; ⁇ . The relative angle between the air curtain nozzle near the windshield and the windshield.
  • a windshield mesh layered air curtain generating device including an air curtain power device 1 and an air curtain spout device 2, the air curtain power device 1 is powered by compressed air
  • the source 11, the air filter 12, the pressure reducing valve 13, the lubricator 14, the accumulator 15, the air booster 16 and the regulating valve 17 are arranged in this order;
  • the air curtain nozzle device 2 is formed by a U-shaped connecting air pipe 21.
  • the jet air passage 22 and the air curtain nozzle 23 are formed.
  • the jet air passage 22 is provided with staggered air curtain nozzles 23, and the staggered air curtain nozzles 23 are arranged as a first array air curtain nozzle 23a and a second array gas.
  • the first array of air curtain nozzles 23a is near the windshield 5.
  • the angle ⁇ between the adjacent air curtain nozzles 23 with respect to the axis of the jet air passage 22 is between 5° and 15°, that is, the adjacent nozzles of the first array air curtain nozzles 23a and the second array air curtain nozzles 23b
  • the included angle between the axis of the jet air passage 22 is between 5° and 15°; in particular, the relative included angle ⁇ between the air curtain nozzle 23 adjacent to the windshield 5 and the windshield 5 is between 10° and 20°, That is, the relative angle between the first-arranged air curtain nozzles 23a adjacent to the windshield 5 and the windshield 5 is between 10° and 20°.
  • the U-shaped connecting air pipe 21 is connected to the air air pipe 18 of the air curtain power device 1, and is connected to the air jet 22 through the air inlet connection hole 24 provided on the air jet 22, thereby forming a windshield net Layered air curtain generator.
  • the pressure reducing valve 13 performs pressure stabilization control on the compressed air output from the compression power source 11, and the pressure of the compressed air after the pressure stabilization control is between 0.6 and 0.8 MPa.
  • the air supercharger 16 supercharges the compressed air output after being pressure-controlled by the pressure reducing valve 13, and the output pressure of the compressed air after pressurization is 2 to 5 times the original air pressure.
  • the regulating valve 17 adjusts the air pressure of the compressed air boosted by the air supercharger 16.
  • the air pressure and pressure adjustment range is between 1 and 3.5 MPa, and 3 to 4 pressure adjustment levels are set.
  • the adjustment range of air pressure is related to the driving speed of the vehicle.
  • the shape structure of the jet air channel 22 matches the shape structure of the windshield 5, that is, the shape structure of the jet air channel 22 is set to match the shape structure under the wind shield 5, and is matched and fit.
  • the compressed air power source 11 is one of a super fan, a micro air compressor, and a high-pressure fan, and its working voltage is one of 36V, 48V, 110V, and 220V, which is provided by a power inverter 3 using a vehicle battery 4 The voltage matching the compressed air power source 11.
  • the air curtain power device 1 when the driver is controlling the vehicle, the air curtain power device 1 is in a working operation state, that is, the vehicle battery 4 is used to provide a matching for the compressed air power source 11 through the power inverter 3
  • the operating voltage range can be between 36V, 48V, 110V, and 220V, such as a micro air compressor, ie 110V operating voltage; the compressed air power source 11 operates to provide continuous compressed gas for the air pipes in the system.
  • the gas output from the compressed air power source 11 is filtered and cleaned by the air filter 12 and then cooperates with the energy storage function of the accumulator 15 through the pressure-reducing valve 13 to stabilize the pressure.
  • the gas pressure After being pressurized by the air booster 16, the gas pressure It can reach 2 to 5 times the original air pressure, so that the air pressure at the end of the air curtain nozzle device 2 maintains a high output pressure; when the regulating valve 17 provided on the air curtain power device 1 is closed, the gas pressure in the system continues to rise to After the set pressure value, the compressed air power source 11 stops working, the gas pressure is maintained inside the system, and the pressure is maintained.
  • the driver controls the regulating valve 17, and can adjust the pressure of the 3rd to 4th gear according to the different driving speed of the vehicle, so that the compressed gas of different pressure value enters the air curtain nozzle device 2, connects the air pipe 21 and jets through the U-shaped
  • the air passage 22 is ejected from the staggered air curtain nozzles 23, in particular, the staggered air curtain nozzles 23 are arranged as a first row of air curtain nozzles 23a and a second row of air curtain nozzles 23b.
  • the first arrangement air curtain nozzle 23a and the second arrangement air curtain nozzle 23b are arranged at an angle ⁇ of 5° to 15° relative to the axis of the jet air passage 22; between the first arrangement air curtain nozzle 23a and the windshield 5 near the windshield 5 Set an angle ⁇ of 10° ⁇ 20°; due to the staggered arrangement of the air curtain nozzles, see Figures 3, 4 and 5 to form a mesh on the surface of the windshield 5, that is, the driver's safe visual range
  • the layered air curtain layer 6 covers the surface of the windshield 5 to prevent rain and snow from scattering on the glass surface of the windshield 5 and guide the rain and snow to divert, so that the driver can maintain a good sight.
  • the lubricator 14 can lubricate the components of the pressurizing device in the system and lubricate the components that are not convenient to add lubricating oil, which greatly prolongs the service life of the components.
  • the power inverter 3 raises the voltage of the vehicle 12V battery 4 to a working voltage matching the compressed air power source 11 to meet the requirements for generating high air pressure values of the air curtain, and overall improves the device working stability and Sustainability.
  • the actual movement speed V3 relative to the vehicle during the fall can reach 40m/s, that is, when the vehicle is traveling at a speed of 120km/h, raindrops fall toward the surface of the windshield 5 at a speed of V3 ⁇ 40m/s.
  • the air curtain generating device of the technical solution of the present invention is activated, and the staggered air curtain nozzles 23 blow out high-pressure gas at 70 to 75 degrees in the horizontal direction, and the high-pressure gas velocity can reach 55 m/s, forming a mesh-like stacked air curtain layer 6,
  • the raindrops are blocked outside the windshield 5, and the raindrops are allowed to fly out along the top of the vehicle, so as to achieve the purpose of blocking rain.
  • the air curtain generating device of the technical solution of the present invention is activated, and the staggered air curtain nozzles 23 blow out high-pressure gas in the horizontal direction at 45 to 50 degrees, and the high-pressure gas velocity can reach 35m/s, forming a mesh-like stacked air curtain layer 6,
  • the raindrops are blocked outside the windshield 5, and the raindrops are allowed to fly out along the top of the vehicle, so as to achieve the purpose of blocking rain.
  • the test of the technical solution of the present invention under different rain amounts and vehicle running speeds shows that the mesh-type stacked air curtain layer test shows that the pressure of the air booster 16 and the step-by-step pressure regulation of the regulating valve 17 can improve the spray of the air curtain nozzle 23
  • the gas pressure can be adjusted according to the rainfall and the speed of the vehicle; the staggered air curtain nozzle structure can form a mesh-shaped laminated air curtain layer 6, even if a small number of nozzles are clogged or damaged, it can form a maintenance to block rain and snow
  • the scattered air curtain layer can effectively block the impact of rain and snow on the windshield of the vehicle; at the same time, through the voltage inversion process and the energy storage pressure, the sustainability and service life of the entire device are greatly improved.
  • test conditions of the technical scheme of the present invention are as follows:
  • the windshield mesh stacking air curtain generating device can form a mesh stacking air curtain layer in front of the windshield glass, which can effectively prevent rain and snow from scattering on the surface of the windshield glass, so that the driver can maintain a clear and safe view It has the advantages of simple structure, stable performance, strong gas curtain gas pressure, controllability and good sustainability. It solves the low gas pressure at the end of the gas curtain existing in the prior art, and the gas curtain nozzle is blocked or damaged to bring gas Problems such as the disappearance of the curtain layer and uncontrollability greatly improve the performance of the vehicle, and achieve the purpose of unobstructed driving vision in rain and snow, good rain and snow protection, easy implementation and economical application.

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Abstract

一种风挡网状层叠式气幕生成装置，包括气幕动力装置（1）与气幕喷口装置（2），气幕动力装置（1）由压缩空气动力源（11）、空气滤清器（12）、减压阀（13）、油雾器（14）、蓄能器（15）、空气增压器（16）及调节阀（17）依次排列布置构成；气幕喷口装置（2）由U型连接气管（21）、喷气气道（22）及气幕喷嘴（23）构成，U型连接气管（21）与气幕动力装置（1）的空气气管（18）连接，并通过喷气气道（22）上设置的进气连接孔（24）与喷气气道（22）连接，喷气气道（22）上设置交错排列的气幕喷嘴（23），相邻气幕喷嘴（23）间相对喷气气道（22）轴线的夹角在5°～15°之间，临近风挡（5）的气幕喷嘴（23a）与风挡（5）之间的相对夹角在10°～20°之间，能够在风挡（5）表面形成网状层叠气幕层，具有结构简单、性能稳定、气幕气体压力强、可控与可持续性好等优点。

Description

一种风挡网状层叠式气幕生成装置 技术领域
本发明涉及一种汽车及其他交通工具风挡设备，尤其涉及一种风挡网状层叠式气幕生成装置。
 背景技术
随着现代社会的发展，汽车已成为人们不可或缺的交通工具，而汽车风挡雨刷设备是车辆行驶中帮助车辆清除雨雪的必要工具，使驾驶者能够保持清晰的驾驶视线。同时，诸如轨道交通车辆等具有风挡设备的交通工具，对于风挡雨刷设备仍必不可少。虽然车辆风挡雨刷设备的技术不断进步，但其基本原理仍是通过电机带动橡胶雨刮器清除风挡玻璃上的雨雪物质，而雨刮器往复运动及橡胶雨刮胶条的老化，会造成车辆驾驶者视觉不适、雨雪清除不净、机械老化噪声较大等弊端，极易导致驾驶者的错判与误操作，危及驾驶安全。
 技术问题
由于车辆行驶过程中，雨雪迎风不断散落在风挡玻璃上，影响驾驶者视线，利用空气动力学与气幕技术使迎风面向车辆的雨雪不接触风挡玻璃，即雨雪无法散落在风挡玻璃上，雨雪沿风力方向甩出，驾驶者即可获得良好的驾驶视线，没有视觉不适，这既可以替代传统风挡雨刷设备，又可以极大地提供驾驶安全性和舒适性，对于汽车及其他交通工具的设计制造技术发展具有良好的意义。如中国专利CN201510283488.8《一种气幕自洁防雨装置》公开了利用气幕喷气口并可调节喷气口喷出气体角度，将附着在车窗上的雨雪除去，从而取消传统风挡雨刷设备的技术方案，但是该专利技术方案中仍存在着喷气口数量较少、空气动力较弱的缺陷，如喷气口堵塞或调节电机损坏，会导致车辆无法行驶被迫停在道路上的安全问题；而工作电压12V的气泵空气动力较弱，会造成喷气口末端输出气体压力较弱的问题。中国专利CN201610937941.7《风能在车辆内部及外部的利用方法以及风挡气幕装置》公开了利用车辆运行中获得的风能及提供一种风挡气幕装置的技术方案，但是该技术方案中仍存在车辆低速运行时获得的风能较弱，且结构复杂，输出气幕空气不可控等缺陷，导致车辆低速运行时仍存在驾驶视线受阻的问题。
 技术解决方案
本发明针对上述现有技术的不足，提供一种风挡网状层叠式气幕生成装置，能够在风挡表面形成网状层叠气幕层，具有结构简单、性能稳定、气幕气体压力强、可控与可持续性好等优点。
本发明的技术方案是：一种风挡网状层叠式气幕生成装置，包括气幕动力装置与气幕喷口装置，所述气幕动力装置由压缩空气动力源、空气滤清器、减压阀、油雾器、蓄能器、空气增压器及调节阀依次排列布置构成；所述气幕喷口装置由U型连接气管、喷气气道及气幕喷嘴构成，U型连接气管与所述气幕动力装置的空气气管连接，并通过喷气气道上设置的进气连接孔与喷气气道连接，喷气气道上设置交错排列的气幕喷嘴，相邻气幕喷嘴间相对喷气气道轴线的夹角在5°～15°之间，临近风挡的气幕喷嘴与风挡之间的相对夹角在10°～20°之间。
进一步的方案是：所述交错排列的气幕喷嘴设置为第一排列气幕喷嘴与第二排列气幕喷嘴，第一排列气幕喷嘴临近风挡。
所述减压阀对由所述压缩空气动力源输出的压缩空气进行稳压控制，经稳压控制后的压缩空气压力在0.6～0.8MPa之间。
所述空气增压器对经所述减压阀稳压控制后输出的压缩空气进行增压，经增压后的压缩空气输出压力为原气压的2～5倍。
所述调节阀对经所述空气增压器增压输出的压缩空气进行气压大小的调节，压力调节范围在1～3.5Mpa之间，设置3～4个压力调节档次。
所述喷气气道的外形结构与风挡的外形结构相匹配。
所述压缩空气动力源为超级风机、微型空压机、高压风机中的一种，其工作电压为36V、48V、110V、220V中的一种，利用车辆蓄电池通过电源逆变器提供与所述压缩空气动力源相匹配的电压。
本发明的有益效果在于：采用上述技术方案，驾驶者在驾控车辆时，气幕动力装置即处于运行状态，即：利用车辆蓄电池通过电源逆变器提供给压缩空气动力源相匹配的电压，电压范围可在36V、48V、110V、220V之间，如微型空压机，110V工作电压；压缩空气动力源运行工作，为装置内空气管道提供持续的压缩气体，经增压后气体压力可达到原气压的2～5倍，从而使气幕喷口装置末端气压保持较高输出压力；气幕动力装置上设置的调节阀关闭时，当达到设定压力值后，压缩空气动力源停止工作，***内部维持气体压力，转为保压状态；当驾驶者操控调节阀时，可依据车辆不同行驶速度，3～4档压力调控，使不同压力值的压缩气体进入气幕喷口装置，经U型连接气管、喷气气道，从交错排列的气幕喷嘴喷出，从而在风挡表面、驾驶者安全可视范围内形成一个网状层叠的气幕层，达到阻挡雨雪散落在风挡玻璃表面，使驾驶者保持良好的视线。
与现有技术比较，本发明气幕生成装置在车辆行驶过程中，始终保持运行工作状态，由于采用了高工作电压的压缩空气动力源设备，能够输出较高压力气体，并通过增压确保气幕喷口装置末端喷出气体的压力。同时，利用蓄能器储能功能及调节阀多档次压力调控，使压缩空气动力源可间歇性工作，即达到设定压力后停止工作，而***内压力始终保持恒定，从而延长设备使用寿命，也进一步提高了整体装置的稳定性，具备可控、可持续好的优点。交错排列设置的气幕喷嘴结构，能够在风挡表面，即驾驶者安全可视范围内形成一个网状层叠的气幕层，达到多层气幕交织层叠覆盖的雨雪阻挡功能，且在少量喷嘴堵塞时依然能够形成维持阻挡雨雪散落的气幕层，避免气幕喷嘴堵塞或损坏带来的安全问题。
所述空气滤清器能够净化清洁压缩空气中的灰尘杂质及水分，提高装置稳定性；所述油雾器可对***内增压装置部件进行润滑，对不方便加润滑油的部件进行润滑，大大延长部件的使用寿命；通过电源逆变器将车辆蓄电池12V变压提高到匹配高工作电压的压缩空气动力源，满足生成气幕高气压值的要求，整体上又提升了装置工作稳定性与可持续性。
 有益效果
本发明所提供的风挡网状层叠式气幕生成装置具有结构简单、性能稳定、气幕气体压力强、可控与可持续性好等优点，解决了现有技术中存在的气幕末端气体压力较低，气幕喷口堵塞或损坏带来气幕层消失及不可控等问题，极大提升车辆性能，达到雨雪天驾驶视线无遮挡，挡雨挡雪效果好，易于实施、经济适用的目的。
 附图说明
图1是本发明整体结构示意图；
图2是本发明侧视结构示意图；
图3是本发明A向结构示意图；
图4是本发明I向局部放大结构示意图；
图5是本发明网状层叠式气幕形成与流向示意图；
图中：1.气幕动力装置；2.气幕喷口装置；3.电源逆变器；4.蓄电池；5.风挡；6.气幕层；11.压缩空气动力源；12.空气滤清器；13.减压阀；14.油雾器；15.蓄能器；16.空气增压器；17.调节阀；18.空气气管；21.U型连接气管；22.喷气气道；23.气幕喷嘴；23a.第一排列气幕喷嘴；23b.第二排列气幕喷嘴；24.进气连接孔；α.相邻气幕喷嘴间相对喷气气道轴线的夹角；β.临近风挡的气幕喷嘴与风挡之间的相对夹角。
 本发明的最佳实施方式
在此处键入本发明的最佳实施方式描述段落。
 本发明的实施方式
下面结合附图与实施例对本发明做进一步的说明。
结合附图1、2、3、4的说明是：一种风挡网状层叠式气幕生成装置，包括气幕动力装置1与气幕喷口装置2，所述气幕动力装置1由压缩空气动力源11、空气滤清器12、减压阀13、油雾器14、蓄能器15、空气增压器16及调节阀17依次排列布置构成；所述气幕喷口装置2由U型连接气管21、喷气气道22及气幕喷嘴23构成，喷气气道22上设置交错排列的气幕喷嘴23，所述交错排列的气幕喷嘴23设置为第一排列气幕喷嘴23a与第二排列气幕喷嘴23b，第一排列气幕喷嘴23a临近风挡5。特别地，相邻气幕喷嘴23间相对喷气气道22轴线的夹角α在5°～15°之间，即是第一排列气幕喷嘴23a与第二排列气幕喷嘴23b的相邻喷嘴间相对于喷气气道22轴线的夹角在5°～15°之间；特别地，临近风挡5的气幕喷嘴23与风挡5之间的相对夹角β在10°～20°之间，即是临近风挡5的第一排列气幕喷嘴23a与风挡5之间的相对夹角在在10°～20°之间。
进一步的说明是，U型连接气管21与所述气幕动力装置1的空气气管18连接，并通过喷气气道22上设置的进气连接孔24与喷气气道22连接，从而构成一个风挡网状层叠式气幕生成装置。
更进一步的说明是，所述减压阀13对由所述压缩动力源11输出的压缩空气进行稳压控制，经稳压控制后的压缩空气压力在0.6～0.8MPa之间。
所述空气增压器16对经所述减压阀13稳压控制后输出的压缩空气进行增压，经增压后的压缩空气输出压力为原气压的2～5倍。
所述调节阀17对经所述空气增压器16增压输出的压缩空气进行气压大小的调节，气压压力调节范围在1～3.5Mpa之间，设置3～4个压力调节档次。气压大小调节的范围与车辆行驶速度相关。
所述喷气气道22的外形结构与风挡5的外形结构相匹配，即是喷气气道22的外形结构设置为吻合风挡5下方的外形结构，与之匹配贴合。
所述压缩空气动力源11为超级风机、微型空压机、高压风机中的一种，其工作电压为36V、48V、110V、220V中的一种，利用车辆蓄电池4通过电源逆变器3提供与所述压缩空气动力源11相匹配的电压。
结合本发明的实施例说明是：当驾驶者在驾控车辆时，气幕动力装置1即处于工作运行状态，即：利用车辆蓄电池4通过电源逆变器3为压缩空气动力源11提供相匹配的工作电压，电压范围可在36V、48V、110V、220V之间，如微型空压机，即110V工作电压；压缩空气动力源11运行工作，为***内空气管道提供持续的压缩气体。
压缩空气动力源11输出的气体经空气滤清器12过滤清洁后，通过减压阀13稳压控制与蓄能器15储能功能的配合作用，经空气增压器16增压后，气体压力可达到原气压的2～5倍，从而使气幕喷口装置2末端气压保持较高输出压力；当气幕动力装置1上设置的调节阀17关闭时，随着***内气体压力持续升高到所设定的压力值后，压缩空气动力源11停止工作，***内部维持气体压力，转为保压状态。
当下雨下雪时，驾驶者操控调节阀17，并可依据车辆不同行驶速度进行3～4挡压力调控，使不同压力值的压缩气体进入气幕喷口装置2，经U型连接气管21、喷气气道22，从交错排列的气幕喷嘴23喷出，特别地，交错排列的气幕喷嘴23设置为第一排列气幕喷嘴23a与第二排列气幕喷嘴23b，相邻气幕喷嘴间即第一排列气幕喷嘴23a与第二排列气幕喷嘴23b，相对喷气气道22轴线设置有5°～15°的夹角α；临近风挡5的第一排列气幕喷嘴23a与风挡5之间设置有10°～20°的夹角β；由于交错排列的气幕喷嘴结构方式，参见图3、图4、图5，从而在风挡5表面，即驾驶者安全可视范围内形成一个网状层叠式的气幕层6，覆盖在风挡5表面，达到阻挡雨雪散落在风挡5玻璃表面，并引导雨雪分流，使驾驶者保持良好的视线。
进一步的说明是，油雾器14可对***内增压装置部件进行润滑，对不方便加润滑油的部件进行润滑，大大延长部件的使用寿命。所述电源逆变器3是将车辆12V蓄电池4的电压提高到所述压缩空气动力源11相匹配的工作电压，满足生成气幕高气压值的要求，整体上又提升了装置工作稳定性与可持续性。
更进一步的说明是，假若风挡玻璃倾角为60度的车辆，行驶速度120km/h，即为33m/s，雨滴以速度V1=0.5～20m/s下落，按雨滴下落最大速度V1=20m/s计算，参见图5，雨滴下落过程中有两个分运动，即垂直下落运动V1与相对于车辆行驶方向反向的水平运动V2，那么雨滴相对于车辆的运动速度V3≈33m/s，而雨滴下落过程中实际相对于车辆的运动速度V3可达40m/s，即当车辆以120km/h速度行驶时，雨滴以V3≈40m/s速度落向风挡5的表面。本发明技术方案的气幕生成装置启动，交错排列的气幕喷嘴23沿水平方向的70～75度吹出高压气体，高压气体速度可达55m/s，形成网状层叠式的气幕层6，将雨滴阻挡在风挡5外部，并使雨滴沿车辆顶部飞出，从而达到挡雨目的。
假若风挡玻璃倾角为35度的车辆，行驶速度80km/h，即22m/s，雨滴以速度V1=0.5～20m/s下落，按雨滴下落最大速度V1=20m/s计算，雨滴下落过程中有两个分运动，即垂直下落运动V1与相对于车辆行驶方向反向的水平运动V2，那么雨滴相对于车辆的运动速度V3≈30m/s，即当车辆以80km/h速度行驶时，雨滴以V3≈30m/s速度落向风挡5的表面。本发明技术方案的气幕生成装置启动，交错排列的气幕喷嘴23沿水平方向的45～50度吹出高压气体，高压气体速度可达35m/s，形成网状层叠式的气幕层6，将雨滴阻挡在风挡5外部，并使雨滴沿车辆顶部飞出，从而达到挡雨目的。
本发明技术方案在不同雨量和车辆行驶速度下的网状层叠式气幕层测试表明：通过空气增压器16的增压与调节阀17的分档压力调控，可提高气幕喷嘴23的喷出气体压力，并能根据雨量与车辆速度合理调节；交错排列的气幕喷嘴结构，能够形成一个网状层叠的气幕层6，即使出现少量喷嘴堵塞或损坏时，也能够形成维持阻挡雨雪散落的气幕层，有效阻挡雨雪对车辆风挡玻璃的冲击；同时，通过电压逆变处理与蓄能保压，极大提升了整个装置的可持续性与使用寿命。
本发明技术方案测试条件如下表：
Figure 498776dest_path_image002
 
本发明技术方案在不同雨量与行驶速度条件下的测试结果如下表：
Figure 228965dest_path_image004
 
本发明所提供的风挡网状层叠式气幕生成装置能够在风挡玻璃前形成一种网状层叠式气幕层，可有效阻隔雨雪散落在风挡玻璃表面，使驾驶者保持清晰的安全可视范围，具有结构简单、性能稳定、气幕气体压力强、可控与可持续性好等优点，解决了现有技术中存在的气幕末端气体压力较低，气幕喷口堵塞或损坏带来气幕层消失及不可控等问题，极大提升车辆性能，达到雨雪天驾驶视线无遮挡，挡雨挡雪效果好，易于实施、经济适用的目的。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的具体实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。
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在此处键入工业实用性描述段落。
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Claims (7)

  1. 一种风挡网状层叠式气幕生成装置，包括气幕动力装置与气幕喷口装置，其特征在于：所述气幕动力装置由压缩空气动力源、空气滤清器、减压阀、油雾器、蓄能器、空气增压器及调节阀依次排列布置构成；所述气幕喷口装置由U型连接气管、喷气气道及气幕喷嘴构成，U型连接气管与所述气幕动力装置的空气气管连接，并通过喷气气道上设置的进气连接孔与喷气气道连接，喷气气道上设置交错排列的气幕喷嘴，相邻气幕喷嘴间相对喷气气道轴线的夹角在5°～15°之间，临近风挡的气幕喷嘴与风挡之间的相对夹角在10°～20°之间。
  2. 根据权利要求1所述的一种风挡网状层叠式气幕生成装置，其特征在于：所述交错排列的气幕喷嘴设置为第一排列气幕喷嘴与第二排列气幕喷嘴，第一排列气幕喷嘴临近风挡。
  3. 根据权利要求1所述的一种风挡网状层叠式气幕生成装置，其特征在于：所述减压阀对由所述压缩空气动力源输出的压缩空气进行稳压控制，经稳压控制后的压缩空气压力在0.6～0.8MPa之间。
  4. 根据权利要求1所述的一种风挡网状层叠式气幕生成装置，其特征在于：所述空气增压器对经所述减压阀稳压控制后输出的压缩空气进行增压，经增压后的压缩空气输出压力为原气压的2～5倍。
  5. 根据权利要求1所述的一种风挡网状层叠式气幕生成装置，其特征在于：所述调节阀对经所述空气增压器增压输出的压缩空气进行气压大小的调节，压力调节范围在1～3.5Mpa之间，设置3～4个压力调节档次。
  6. 根据权利要求1所述的一种风挡网状层叠式气幕生成装置，其特征在于：所述喷气气道的外形结构与风挡的外形结构相匹配。
  7. 根据权利要求1所述的一种风挡网状层叠式气幕生成装置，其特征在于：所述压缩空气动力源为超级风机、微型空压机、高压风机中的一种，其工作电压为36V、48V、110V、220V中的一种，利用车辆蓄电池通过电源逆变器提供与所述压缩空气动力源相匹配的电压。
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