CN110936798A - Windshield mesh laminated air curtain generating device - Google Patents
Windshield mesh laminated air curtain generating device Download PDFInfo
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- CN110936798A CN110936798A CN201811114422.6A CN201811114422A CN110936798A CN 110936798 A CN110936798 A CN 110936798A CN 201811114422 A CN201811114422 A CN 201811114422A CN 110936798 A CN110936798 A CN 110936798A
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- air
- air curtain
- windshield
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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
Abstract
The invention relates to a windshield mesh laminated air curtain generating device, which comprises an air curtain power device and an air curtain nozzle device, and is characterized in that: the air curtain power device is formed by sequentially arranging a compressed air power source, an air filter, a pressure reducing valve, an oil mist device, an energy accumulator, an air supercharger and an adjusting valve; the air curtain nozzle device comprises a U-shaped connecting air pipe, an air injection air passage and an air curtain nozzle, the U-shaped connecting air pipe is connected with the air pipe of the air curtain power device, the air inlet connecting hole formed in the air injection air passage is connected with the air injection air passage, the air curtain nozzle is arranged on the air injection air passage in a staggered mode, the included angle between the adjacent air curtain nozzles relative to the axis of the air injection air passage is 5-15 degrees, the relative included angle between the air curtain nozzle close to the windshield and the windshield is 10-20 degrees, a net-shaped laminated air curtain layer can be formed on the surface of the windshield, and the air curtain nozzle device has the advantages of being simple in structure, stable in performance, strong in air curtain gas pressure, good in controllability and sustainability.
Description
Technical Field
The invention relates to a windshield device of an automobile and other vehicles, in particular to a windshield mesh laminated air curtain generating device.
Background
With the development of modern society, automobiles become indispensable vehicles for people, and automobile windshield wiper equipment is a necessary tool for helping the automobiles clear rain and snow during the running of the automobiles, so that drivers can keep clear driving sight. Meanwhile, vehicles having a windshield apparatus, such as rail transit vehicles, are still indispensable for the windshield wiper apparatus. Although the technology of the vehicle windshield wiper equipment is continuously improved, the basic principle is that the rubber wiper is driven by the motor to remove rain and snow substances on the windshield glass, and the reciprocating motion of the wiper and the aging of rubber strips of the rubber wiper can cause the defects of visual discomfort of a vehicle driver, incomplete rain and snow removal, larger mechanical aging noise and the like, so that misjudgment and misoperation of the driver are easily caused, and the driving safety is endangered.
In the running process of the vehicle, rain and snow are continuously scattered on the windshield glass to influence the sight of a driver, the rain and snow facing the vehicle in the windward direction are not contacted with the windshield glass by utilizing the aerodynamics and air curtain technology, namely the rain and snow cannot be scattered on the windshield glass, the rain and snow are thrown out along the wind direction, the driver can obtain good driving sight without visual discomfort, the traditional windshield wiper equipment can be replaced, the driving safety and the driving comfort can be greatly improved, and the design and manufacturing technology development of automobiles and other transportation tools has good significance. For example, chinese patent CN201510283488.8 "a self-cleaning rainproof device for air curtain" discloses a technical scheme that rain and snow attached to a vehicle window are removed by utilizing an air curtain air jet and adjusting the angle of air jetted from the air jet, so as to cancel the traditional windshield wiper device, but the technical scheme of the patent still has the defects of less air jet number and weaker aerodynamic force, such as the blockage of the air jet or the damage of an adjusting motor, which can cause the safety problem that a vehicle cannot run and is forced to stop on the road; and the air pump with the working voltage of 12V has weak air power, so that the problem of weak output air pressure at the tail end of the air nozzle is caused. Chinese patent CN201610937941.7 "method for utilizing wind energy inside and outside vehicle and windshield air curtain device" discloses a technical scheme for utilizing wind energy obtained during vehicle operation and providing a windshield air curtain device, but the technical scheme still has the defects of weak wind energy obtained during vehicle low-speed operation, complex structure, uncontrollable output air curtain air and the like, resulting in the problem of obstructed driving sight during vehicle low-speed operation.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention provides a windshield mesh-like laminated air curtain generation device, which can form a mesh-like laminated air curtain layer on the surface of a windshield, and has the advantages of simple structure, stable performance, strong air curtain gas pressure, controllability, and sustainability.
The technical scheme of the invention is as follows: a windshield netted laminated air curtain generating device comprises an air curtain power device and an air curtain nozzle device, wherein the air curtain power device is formed by sequentially arranging a compressed air power source, an air filter, a pressure reducing valve, an oil mist device, an energy accumulator, an air supercharger and an adjusting valve; the air curtain nozzle device is composed of a U-shaped connecting air pipe, an air injection air passage and an air curtain nozzle, the U-shaped connecting air pipe is connected with an air pipe of the air curtain power device and is connected with the air injection air passage through an air inlet connecting hole formed in the air injection air passage, the air injection air passage is provided with the air curtain nozzles which are arranged in a staggered mode, the included angle between every two adjacent air curtain nozzles relative to the axis of the air injection air passage is 5-15 degrees, and the relative included angle between the air curtain nozzle close to the windshield and the windshield is 10-20 degrees.
The further scheme is as follows: staggered arrangement's air curtain nozzle sets up to first row air curtain nozzle and second row air curtain nozzle, and first row air curtain nozzle is close to the windscreen.
The pressure reducing valve is used for carrying out pressure stabilization control on the compressed air output by the compressed air power source, and the pressure of the compressed air after the pressure stabilization control is 0.6-0.8 MPa.
The air supercharger supercharges the compressed air output after the pressure stabilizing control of the pressure reducing valve, and the output pressure of the supercharged compressed air is 2-5 times of the original air pressure.
The governing valve is to the process compressed air of air booster pressure boost output carries out the regulation of atmospheric pressure size, and the pressure control range sets up 3 ~ 4 pressure control grades between 1 ~ 3.5 Mpa.
The outline structure of the air injection air passage is matched with the outline structure of the windshield.
The compressed air power source is one of a super fan, a micro air compressor and a high-pressure fan, the working voltage of the compressed air power source is one of 36V, 48V, 110V and 220V, and the vehicle storage battery is used for providing voltage matched with the compressed air power source through a power inverter.
The invention has the beneficial effects that: by adopting the technical scheme, when a driver drives and controls the vehicle, the air curtain power device is in an operation state, namely: the vehicle storage battery is used for providing matched voltage for the compressed air power source through the power inverter, and the voltage range can be 36V, 48V, 110V and 220V, such as 110V working voltage of a micro air compressor; the compressed air power source operates to provide continuous compressed air for an air pipeline in the device, and the air pressure can reach 2-5 times of the original air pressure after pressurization, so that the air pressure at the tail end of the air curtain nozzle device keeps higher output pressure; when an adjusting valve arranged on the air curtain power device is closed, and after a set pressure value is reached, the compressed air power source stops working, the internal pressure of the system is maintained, and the system is converted into a pressure maintaining state; when a driver operates the regulating valve, compressed air with different pressure values can enter the air curtain nozzle device and is sprayed out from the staggered air curtain nozzles through the U-shaped connecting air pipe and the air spraying air passage according to different running speeds of the vehicle and 3-4-gear pressure regulation, so that a net-shaped laminated air curtain layer is formed on the surface of the windshield and in the safe visual range of the driver, rain and snow are prevented from scattering on the surface of the windshield, and the driver can keep good sight.
Compared with the prior art, the air curtain generating device disclosed by the invention is always kept in a running working state in the running process of a vehicle, and can output higher-pressure gas due to the adoption of compressed air power source equipment with high working voltage, and the pressure of the gas sprayed out from the tail end of the air curtain nozzle device is ensured through pressurization. Meanwhile, the energy storage function of the energy accumulator and the multi-level pressure regulation and control of the regulating valve are utilized, so that the compressed air power source can work intermittently, namely, the compressed air power source stops working after reaching the set pressure, and the pressure in the system is kept constant all the time, so that the service life of equipment is prolonged, the stability of the whole device is further improved, and the device has the advantages of controllability and good sustainability. The staggered arrangement's air curtain nozzle structure can be on the windscreen surface, and the driver safety visible range forms a netted range upon range of layer air curtain promptly, reaches the multilayer air curtain and interweaves the sleet that range upon range of cover and block the function, and still can form when a small amount of nozzles block up and keep blocking the air curtain layer that sleet scatters, avoids the air curtain nozzle to block up or damage the safety problem that brings.
The air filter can purify and clean dust, impurities and moisture in the compressed air, and the stability of the device is improved; the oil atomizer can lubricate the supercharging device parts in the system, and lubricate parts which are inconvenient to be lubricated, so that the service life of the parts is greatly prolonged; the vehicle storage battery 12V transformation is improved to a compressed air power source matched with high working voltage through the power inverter, the requirement of generating an air curtain high air pressure value is met, and the working stability and sustainability of the device are integrally improved.
The windshield mesh laminated air curtain generation device provided by the invention has the advantages of simple structure, stable performance, strong air curtain gas pressure, controllability, good sustainability and the like, solves the problems of low air curtain tail end gas pressure, disappearance and uncontrollable air curtain layer caused by blockage or damage of an air curtain nozzle and the like in the prior art, greatly improves the vehicle performance, and achieves the purposes of no driving sight shielding in rainy and snowy days, good rain and snow shielding effect, easy implementation, economy and applicability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the structure of the present invention in the direction A;
FIG. 4 is an enlarged view of a portion of the present invention;
FIG. 5 is a schematic view of the formation and flow of the mesh stack air curtain of the present invention;
the air curtain power device comprises an air curtain power device 1, an air curtain nozzle device 2, a power inverter 3, a storage battery 4, a windshield 5, an air curtain layer 6, a compressed air power source 11, an air filter 12, a pressure reducing valve 13, an oil mist sprayer 14, an energy accumulator 15, an air supercharger 16, an adjusting valve 17, an air pipe 18, a U-shaped connecting air pipe 21, an air injection air passage 22, an air curtain nozzle 23, a first row of air curtain nozzles 23a, a second row of air curtain nozzles 23b, an air inlet connecting hole 24, α, an included angle between adjacent air curtain nozzles relative to the axis of the air injection air passage, and β, a relative included angle between the air curtain nozzle adjacent to the windshield and the windshield.
Detailed Description
The invention is further described with reference to the following figures and examples.
The description with reference to fig. 1, 2, 3 and 4 shows that the windshield mesh-like laminated air curtain generating device comprises an air curtain power device 1 and an air curtain nozzle device 2, wherein the air curtain power device 1 is formed by sequentially arranging a compressed air power source 11, an air filter 12, a pressure reducing valve 13, an oil mist device 14, an energy accumulator 15, an air supercharger 16 and a regulating valve 17, the air curtain nozzle device 2 is formed by a U-shaped connecting air pipe 21, an air spraying air passage 22 and an air curtain nozzle 23, the air spraying air passage 22 is provided with staggered air curtain nozzles 23, the staggered air curtain nozzles 23 are provided with a first row of air curtain nozzles 23a and a second row of air curtain nozzles 23b, the first row of air curtain nozzles 23a is close to 5, particularly, an included angle α between adjacent air curtain nozzles 23a and the second row of air curtain nozzles 23b is between 5 and 15 degrees relative to the axis of the air spraying air passage 22, namely, an included angle between adjacent nozzles of the first row of air curtain nozzles 23a and the second row of air curtain nozzles 23b is between 5 and 15 degrees, particularly, an included angle between 355 degrees and 355 degrees, namely, and 355 degrees are between adjacent air curtain nozzles of the windshield nozzles 23 degrees, and 20 degrees.
To be more specific, the U-shaped connecting air pipe 21 is connected to the air pipe 18 of the air curtain power device 1, and is connected to the air injection passage 22 through the air inlet connecting hole 24 provided in the air injection passage 22, thereby forming a windshield mesh laminated air curtain generating device.
More specifically, the pressure reducing valve 13 performs pressure stabilization control on the compressed air output by the compression power source 11, and the pressure of the compressed air after the pressure stabilization control is between 0.6 MPa and 0.8 MPa.
The air supercharger 16 supercharges the compressed air output after the pressure stabilizing control of the pressure reducing valve 13, and the output pressure of the supercharged compressed air is 2-5 times of the original air pressure.
The governing valve 17 is to the process the compressed air of 16 pressure boost outputs of air supercharger carries out the regulation of atmospheric pressure size, and atmospheric pressure control range sets up 3 ~ 4 pressure control grades between 1 ~ 3.5 Mpa. The range of barometric pressure regulation is related to the vehicle speed.
The outline structure of the air injection passage 22 is matched with the outline structure of the windshield 5, namely the outline structure of the air injection passage 22 is matched with the outline structure below the windshield 5 and is matched and attached with the windshield 5.
The compressed air power source 11 is one of a super blower, a micro air compressor and a high pressure blower, the working voltage of the compressed air power source is one of 36V, 48V, 110V and 220V, and the vehicle storage battery 4 is used for providing voltage matched with the compressed air power source 11 through the power inverter 3.
The description in connection with the embodiments of the invention is: when the driver is driving the vehicle, the air curtain power device 1 is in the working operation state, namely: the vehicle storage battery 4 is used for providing matched working voltage for the compressed air power source 11 through the power inverter 3, and the voltage range can be 36V, 48V, 110V and 220V, such as a miniature air compressor, namely 110V working voltage; the compressed air power source 11 operates to provide continuous compressed air for the air pipes in the system.
After the gas output by the compressed air power source 11 is filtered and cleaned by the air filter 12, the gas pressure can reach 2-5 times of the original gas pressure through the cooperation of the pressure stabilizing control of the pressure reducing valve 13 and the energy storage function of the energy accumulator 15 and the pressurization of the air supercharger 16, so that the gas pressure at the tail end of the air curtain nozzle device 2 keeps higher output pressure; when the regulating valve 17 provided in the air curtain power device 1 is closed, the compressed air power source 11 stops working as the gas pressure in the system continuously rises to the set pressure value, and the gas pressure in the system is maintained and is converted into the pressure maintaining state.
When raining and snowing, a driver operates the regulating valve 17 and can regulate and control the pressure of 3-4 gears according to different driving speeds of a vehicle, so that compressed air with different pressure values enters the air curtain nozzle device 2 and is sprayed out of the staggered air curtain nozzles 23 through the U-shaped connecting air pipe 21 and the air spraying air passage 22, particularly, the staggered air curtain nozzles 23 are arranged into a first arrangement air curtain nozzle 23a and a second arrangement air curtain nozzle 23b, an included angle α of 5-15 degrees is formed between the adjacent air curtain nozzles, namely the first arrangement air curtain nozzle 23a and the second arrangement air curtain nozzle 23b relative to the axis of the air spraying air passage 22, an included angle β of 10-20 degrees is formed between the first arrangement air curtain nozzle 23a adjacent to the windshield 5 and the windshield 5, and due to the staggered air curtain nozzle structure mode, the driver refers to the images 3, 4 and 5, so that a reticular laminated air curtain layer 6 is formed on the surface of the windshield 5, namely the safety visual range of the driver, covers the surface of the windshield 5 to block rain from falling on the surface of the windshield 5, and guide the driver to keep the good shunting of the rain and the driver.
Further, the oil atomizer 14 can lubricate the supercharging device components in the system, lubricate the components which are inconvenient to be lubricated, and greatly prolong the service life of the components. The power inverter 3 increases the voltage of the vehicle 12V storage battery 4 to the working voltage matched with the compressed air power source 11, meets the requirement of generating an air curtain high air pressure value, and integrally improves the working stability and sustainability of the device.
More specifically, if the windshield is inclined at 60 degrees, the driving speed is 120km/h, namely 33m/s, and the raindrops fall at a speed of V1= 0.5-20 m/s, calculated according to the maximum raindrop falling speed of V1=20m/s, as shown in fig. 5, there are two component movements during raindrop falling, namely, a vertical falling movement V1 and a horizontal movement V2 opposite to the driving direction of the vehicle, so that the movement speed of the raindrops with respect to the vehicle V3 ≈ 33m/s, and the actual movement speed of the raindrops with respect to the vehicle V3 during raindrop falling can reach 40m/s, namely, when the vehicle is driven at 120km/h, the raindrops fall on the surface of the windshield 5 at a speed of V3 ≈ 40 m/s. The air curtain generating device provided by the technical scheme of the invention is started, the staggered air curtain nozzles 23 blow high-pressure air at a speed of 55m/s at 70-75 degrees in the horizontal direction, a net-shaped laminated air curtain layer 6 is formed, raindrops are blocked outside the windshield 5, and the raindrops fly out along the top of a vehicle, so that the aim of keeping off rain is achieved.
If the vehicle has a windshield inclination angle of 35 degrees and the running speed is 80km/h, namely 22m/s, the raindrops fall at a speed of V1= 0.5-20 m/s, and the raindrops fall with two component motions, namely a vertical falling motion V1 and a horizontal motion V2 opposite to the running direction of the vehicle, according to the maximum raindrop falling speed V1=20m/s, the moving speed of the raindrops relative to the vehicle is V3-30 m/s, namely when the vehicle runs at the speed of 80km/h, the raindrops fall to the surface of the windshield 5 at the speed of V3-30 m/s. The air curtain generating device provided by the technical scheme of the invention is started, the staggered air curtain nozzles 23 blow high-pressure air at a speed of 35m/s at 45-50 degrees in the horizontal direction, a mesh-shaped laminated air curtain layer 6 is formed, raindrops are blocked outside the windshield 5, and the raindrops fly out along the top of a vehicle, so that the purpose of keeping off rain is achieved.
The test of the mesh laminated air curtain layer under different rainfall and vehicle running speed by the technical scheme of the invention shows that: the pressure of the gas sprayed from the gas curtain nozzle 23 can be increased by the pressure increase of the air supercharger 16 and the stepped pressure control of the regulating valve 17, and the regulation can be carried out reasonably according to the rainfall and the vehicle speed; the staggered air curtain nozzle structure can form a net-shaped laminated air curtain layer 6, even if a small amount of nozzles are blocked or damaged, the air curtain layer which keeps preventing rain and snow from scattering can be formed, and the impact of rain and snow on the windshield glass of the vehicle can be effectively prevented; meanwhile, through voltage inversion processing and energy storage pressure maintaining, the sustainability and the service life of the whole device are greatly improved.
The test conditions of the technical scheme of the invention are as follows:
the test results of the technical scheme of the invention under the conditions of different rainfall and running speed are as follows:
the windshield netted laminated air curtain generation device provided by the invention can form a netted laminated air curtain layer in front of windshield glass, can effectively prevent rain and snow from scattering on the surface of the windshield glass, enables a driver to keep a clear safe visible range, has the advantages of simple structure, stable performance, strong air curtain air pressure, controllability, good sustainability and the like, solves the problems of low air curtain tail end air pressure, disappearance and uncontrollable air curtain layer caused by blockage or damage of an air curtain nozzle and the like in the prior art, greatly improves the vehicle performance, and achieves the purposes of no shielding of driving sight in rainy and snowy days, good rain and snow shielding effect, easy implementation, economy and applicability.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. The utility model provides a netted range upon range of formula air curtain of windscreen generates device, includes air curtain power device and air curtain spout device which characterized in that: the air curtain power device is formed by sequentially arranging a compressed air power source, an air filter, a pressure reducing valve, an oil mist device, an energy accumulator, an air supercharger and an adjusting valve; the air curtain nozzle device is composed of a U-shaped connecting air pipe, an air injection air passage and an air curtain nozzle, the U-shaped connecting air pipe is connected with an air pipe of the air curtain power device and is connected with the air injection air passage through an air inlet connecting hole formed in the air injection air passage, the air injection air passage is provided with the air curtain nozzles which are arranged in a staggered mode, the included angle between every two adjacent air curtain nozzles relative to the axis of the air injection air passage is 5-15 degrees, and the relative included angle between the air curtain nozzle close to the windshield and the windshield is 10-20 degrees.
2. The windshield mesh laminated air curtain generator as recited in claim 1, wherein: staggered arrangement's air curtain nozzle sets up to first row air curtain nozzle and second row air curtain nozzle, and first row air curtain nozzle is close to the windscreen.
3. The windshield mesh laminated air curtain generator as recited in claim 1, wherein: the pressure reducing valve is used for carrying out pressure stabilization control on the compressed air output by the compressed air power source, and the pressure of the compressed air after the pressure stabilization control is 0.6-0.8 MPa.
4. The windshield mesh laminated air curtain generator as recited in claim 1, wherein: the air supercharger supercharges the compressed air output after the pressure stabilizing control of the pressure reducing valve, and the output pressure of the supercharged compressed air is 2-5 times of the original air pressure.
5. The windshield mesh laminated air curtain generator as recited in claim 1, wherein: the governing valve is to the process compressed air of air booster pressure boost output carries out the regulation of atmospheric pressure size, and the pressure control range sets up 3 ~ 4 pressure control grades between 1 ~ 3.5 Mpa.
6. The windshield mesh laminated air curtain generator as recited in claim 1, wherein: the outline structure of the air injection air passage is matched with the outline structure of the windshield.
7. The windshield mesh laminated air curtain generator as recited in claim 1, wherein: the compressed air power source is one of a super fan, a micro air compressor and a high-pressure fan, the working voltage of the compressed air power source is one of 36V, 48V, 110V and 220V, and the vehicle storage battery is used for providing voltage matched with the compressed air power source through a power inverter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811114422.6A CN110936798A (en) | 2018-09-25 | 2018-09-25 | Windshield mesh laminated air curtain generating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811114422.6A CN110936798A (en) | 2018-09-25 | 2018-09-25 | Windshield mesh laminated air curtain generating device |
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| CN110936798A true CN110936798A (en) | 2020-03-31 |
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| CN201811114422.6A Pending CN110936798A (en) | 2018-09-25 | 2018-09-25 | Windshield mesh laminated air curtain generating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977027A (en) * | 2021-03-25 | 2021-06-18 | 彭萍芳 | Invisible rain shield method and device thereof |
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2018
- 2018-09-25 CN CN201811114422.6A patent/CN110936798A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977027A (en) * | 2021-03-25 | 2021-06-18 | 彭萍芳 | Invisible rain shield method and device thereof |
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Application publication date: 20200331 |