CN204775147U - Automatic defogging system of car glass internal surface - Google Patents
Automatic defogging system of car glass internal surface Download PDFInfo
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- CN204775147U CN204775147U CN201520425003.XU CN201520425003U CN204775147U CN 204775147 U CN204775147 U CN 204775147U CN 201520425003 U CN201520425003 U CN 201520425003U CN 204775147 U CN204775147 U CN 204775147U
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- vehicle glass
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Abstract
The utility model discloses an automatic defogging system of car glass internal surface, the inside and outside temperature sensor module of car, the inside and outside humidity transducer module of car, the inside and outside humidity transducer module of glass contains outer and two the interior air inlets in the car of car, first switching air door, its intercommunication the air inlet in wind channel for switch car inner loop and extrinsic cycle, contain dehumidification pipeline soft breeze way pipeline, the second switches over the air door, and it sets up the entry intersection at dehumidification pipeline and dry pipeline, one of selective switching intercommunication dehumidification pipeline and dry pipeline, and the desicator, it sets up in dry pipeline for the dehumidification of air in the pipeline, the controller, its receipt sensor module's signal, control the switching of first switching air door and second switching air door, can prevent or carry out quick defogging automatically before car glass surface produces fog, improve driver's travelling comfort and security.
Description
Technical field
The utility model relates to automobile demist technical field, particularly a kind of vehicle glass inside face automatic defrosting system.
Background technology
The vehicle glass inside face face physically that hazes says to be exactly " condensation " phenomenon, when rainwater weather, or when air ratio is moister, if external temperature is lower, after car internal-external temperature difference reaches certain limit, in car malaria encounter glass will condensation, form one deck fog or frost.High humidity, car inside and outside temperature difference are greatly two conditions that fog is formed.
The sight line of chaufeur can be affected after hazing above power actuated vehicle front windshield, if at this time effectively do not processed, once front windshield hazes have impact on the sight line of car owner, very large threat will be caused to the safety of the personnel of riding, especially, when chaufeur is not understood road conditions above, danger sharply increases.The discovery of some chaufeurs can drive, while wipe the steam above Windshield, to operate danger close like this after hazing.And after side window and backlight misting, the back mirror that chaufeur is difficult to inside and outside by car observes road conditions.If emergency situations appears in road, can emergency handling be had little time, lead to a disaster.
Therefore, for improving car comfort and safety, being badly in need of a kind of automatic prevention and hazing or remove the device of fog in the elementary step of hazing as early as possible.
Utility model content
A kind of vehicle glass inside face of the utility model automatic defrosting system, can realize preventing to haze or remove fog in the elementary step of hazing, improve traveling comfort and the safety of member.
The technical scheme that the utility model provides is:
A kind of vehicle glass inside face automatic defrosting system, comprising:
Car internal and external temperature sensor assembly, it is for the temperature inside and outside measured automobiles;
Moisture sensor module inside and outside car, it is for the humidity inside and outside measured automobiles;
Moisture sensor module inside and outside glass, it is for humidity inside and outside measured automobiles glass for vehicle window;
First switches air door, and it is arranged on the common place of multiple admission ports of air channel pipeline, for switching automobile Inner eycle and outer circulation;
Second switches air door, and it is arranged on the entrance intersection of dehumidifying pipeline and drying pipeline, optionally switches and is communicated with dehumidifying one of pipeline and drying pipeline;
Dryer, it is arranged in drying pipeline, for air dewetting in pipeline; Drying pipeline before dryer described in the outlet of wherein said dehumidifying pipeline;
Controller, it receives the signal of described sensor assembly, controls described first and switches the switching that air door and second switches air door.
Preferably, described dryer also comprises water escape valve, for getting rid of the moisture in dryer.
Preferably, also blowing engine is provided with in described air channel.
Preferably, described dryer internal desiccant is silica gel.
Preferably, also comprise: moisture sensor module in air channel, for measuring humidity in air channel; Wherein said controller receives the humidity of moisture sensor module in described air channel, when the humidity of moisture sensor module exceedes threshold value in air channel, controls described water escape valve and opens.
Preferably, also comprise in described dehumidifying pipeline:
Evaporator, for the condensate moisture dehumidified in pipeline;
Temperature booster, after it is arranged on described evaporator, for the air heating dehumidified in pipeline.
Preferably, described drying pipeline has multiple air discharge port.
Preferably, described air discharge port is arranged near automotive window.
Preferably, the wind-force of the adjustable described blowing engine of described controller.
Preferably, the opening time of described water escape valve is 45 seconds ~ 55 seconds.
Beneficial effect
Interior surfaces of glass automatic defrosting system described in the utility model includes dehumidifying and dry two air channel pipelines, and wherein dehumidifying wind road pipeline system is that automobile carries a/c system, has saved cost; Control unit is by the detection to humiture, highly sensitive; Freely switching between dehumidifying wind road pipeline and dry wind road pipeline, energy-conserving and environment-protective; Two admission ports can according to different choice internal air circulation or outer circulation in season, practical; The demist of control unit Automatic Control, improves safety and traveling comfort.
Accompanying drawing explanation
Fig. 1 is the structural representation of vehicle glass inside face automatic defrosting system described in the utility model.
Fig. 2 is vehicle glass inside face automatic defrosting system cloud gray model diagram of circuit described in the utility model.
Fig. 3 is control system circuit diagram described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification sheets word to make those skilled in the art.
As shown in Figure 1, the vehicle glass inside face automatic defrosting system that the utility model provides comprises the first admission port 110, second admission port 120, first and switches air door 130, blowing engine 140, second switching air door 150, temperature booster 160, dryer 170, water escape valve 180, first air extractor duct 190, second air extractor duct 200, control system 210.
First admission port 110 is communicated with outward with car, exchanges mouth, vehicle exterior air can be incorporated into interior of motor vehicles as interior of motor vehicles and extraneous air.
Second admission port 120 is communicated with in self-propelled vehicle, is automotive interior air intake, air conditioner refrigerating in car or the air after heating directly can be imported again.
The passage with the first admission port 110 becomes a passage with the paths converge with the second admission port 120, convergence place is provided with the first switching air door 130, first switching air door is the design of binary channel Single switch formula, when switching air door and being positioned at the passage of admission port 110, first admission port 110 is in closed condition, and the second admission port 120 is opened; When switching air door and being positioned at the passage of the second admission port 120, the second admission port is in closed condition, and the first admission port 110 is opened.
Blowing engine 140 arranges wind-force control cock, and wind-force control cock is for regulating wind speed size.A channel connection blowing engine 140 after convergence, the output air path pipeline of blowing engine 140 goes out to be divided into two pipelines at conversion mouth, is dehumidifying pipeline and drying pipeline respectively.
Second switches the conversion mouth place that air door 150 is positioned at air path pipeline, for the switching between pipeline dehumidification pipe road, air channel and drying pipeline, adopts selecting type design, and when air path pipeline is opened, dehumidifying pipeline is closed; When the pipeline that dehumidifies is opened, drying duct is closed.
Temperature booster 160, is arranged in dehumidifying pipeline, can heats the air flowing through device.
In drying pipeline, dryer 170 is positioned at the exit position of air path pipeline, and its inside is equipped with silica-gel desiccant, nontoxic, harmless, has extremely strong adsorption to the moisture vapor in air.Preferred as one, be provided with water escape valve 180 bottom dryer, in device, moisture can flow out through water escape valve.
Pipeline after dryer, arranges the first air extractor duct 190 and the second air extractor duct 200.Pipeline after dryer arranges the first air extractor duct 190 and is communicated with vehicle window blowing mouth, air after dehumidifying is blowed to vehicle window and realizes demist.Preferred as one, air extractor duct 190 is arranged near Front Windshield, side window, back window glass inside face, wind directly can be blowed to Front Windshield, side window and back window glass.
Pipeline after dryer arranges the second air extractor duct 200 and is communicated with in car, is directly entered in car by air after dehumidifying.
Control system 210 is the autonomous cruise speed system of vehicle glass inside face automatic defrosting system, with first, it changes that air door 130, second switches air door 150, blowing engine 140, water escape valve 180 are electrically connected to control to cut first and change the open and close that air door and second switches air door; The wind speed of blowing engine and the open and close of water escape valve.Control system 210 includes system for detecting temperature, dust humidity detection system, control unit, and its circuit connection diagram as shown in Figure 3.
Preferred as one, control unit adopts micro controller system U1.
System for detecting temperature includes four temperature sensor module,
Vehicle interior temperature sensor assembly, thermally dependent resistor R1, on it, termination one pull-up resistor R2 is connected with power supply, lower end ground connection, and pull-up resistor R2 is connected with the temperature input pin T01 of control unit U1 with the contact of vehicle interior temperature sensor R1.Control unit U1 records vehicle interior temperature by the level change detecting this temperature input pin;
The outer temperature sensor module of car, thermally dependent resistor R3, on it, termination one pull-up resistor R4 is connected with power supply, lower end ground connection, and pull-up resistor R4 is connected with the temperature input pin T02 of control unit U1 with the outer contact of temperature sensor R3 of car.Control unit U1 records the outer temperature of car by the level change detecting this temperature input pin;
Interior surfaces of glass temperature sensor module, thermally dependent resistor R5, on it, termination one pull-up resistor R6 is connected with power supply, lower end ground connection, and pull-up resistor R6 is connected with the temperature input pin T03 of control unit U1 with the contact of sensor R5.Control unit U1 records interior surfaces of glass temperature by the change detecting this temperature input pin level;
Ducting system temperature sensor module, this sensor is a thermally dependent resistor R7, and on it, termination one pull-up resistor R8 is connected with power supply, lower end ground connection.Sensor R7 is connected with the temperature input pin T06 of control unit U1 with the contact of pull-up resistor R8.Control unit U1 records dehumidification system temperature by the level change detecting this input pin.
Dust humidity detection system includes four moisture sensor module,
Car humidity sensor assembly, hygristor R23, its one end is connected with the anode of op amp UI_A4, other end ground connection.The negative terminal of op amp UI_A4 connects ground connection after a pull down resistor R24.The mouth of op amp UI_A4 is connected with the humidity input pin AD01 of control unit U1 after a filter circuit, the car humidity signal detected is input to control unit U1 inner.The anode of amplifier is connected with the mouth of amplifier by a reference resistance R22.
The outer moisture sensor module of car, hygristor R19, its one end is connected with the anode of op amp UI_A3, other end ground connection.The negative terminal of op amp UI_A3 connects ground connection after a pull down resistor R20.The mouth of op amp UI_A3 is connected with the humidity input pin AD02 of control unit U1 after a filter circuit, outer for the car detected moisture signal is input to control unit U1 inner.The anode of amplifier is connected with the mouth of amplifier by a reference resistance R18.
Glass humidity sensor assembly, hygristor R15, its one end is connected with the anode of op amp UI_A2, other end ground connection.The negative terminal of op amp UI_A2 connects ground connection after a pull down resistor R16.The mouth of op amp UI_A2 is connected with the humidity input pin AD03 of control unit U1 after a filter circuit, the interior surfaces of glass moisture signal detected is input to control unit U1 inner.The anode of amplifier is connected with the mouth of amplifier by a reference resistance R14.
Ducting system moisture sensor module, hygristor R11, its one end is connected with the anode of op amp UI_A1, other end ground connection.The negative terminal of op amp UI_A1 connects ground connection after a pull down resistor R12.The mouth of op amp UI_A1 is connected with the humidity input pin AD04 of control unit U1 after a filter circuit, the dehumidification system moisture signal detected is input to control unit U1 inner.The anode of amplifier is connected with the mouth of amplifier by a reference resistance R10.
First airdoor control module, comprises electrical motor B2, motor relay K2, diode D2, aerotron Q2.Motor relay K2 contact part connects power supply, ground connection after lower termination electrical motor B2.Diode D2 and motor relay K2 coils from parallel connection of coils, its negative pole is connected with power supply, and anode connects with the collecting electrode of aerotron Q2.The grounded emitter of aerotron Q2, ground level is connected with the output pin EN02 of control unit U1.After control unit U1 analyzes the temperature-humidity signal of each input, output signal controls to switch the closing direction of air door 1, realizes the automatic switchover between internal air circulation and outer circulation.
Second airdoor control module, comprises electrical motor B4, motor relay K4, diode D4, aerotron Q4.Motor relay K4 contact part connects power supply, ground connection after lower termination electrical motor B4.Diode D4 and motor relay K4 coils from parallel connection of coils, its negative pole is connected with power supply, and anode is connected with the collecting electrode of aerotron Q4.The grounded emitter of aerotron Q4, base stage is connected with the output pin EN04 of control unit U1.After control unit U1 analyzes each incoming signal, output signal controls to switch the closed wind direction of air door 2 150, realizes the automatic switchover between dehumidifying pipeline and drying pipeline.
Air compressor control module, comprises electrical motor B1, motor relay K1, diode D1, aerotron Q1.Motor relay K1 contact part connects power supply, ground connection after lower termination electrical motor B1.Diode D1 and motor relay K1 coils from parallel connection of coils, its negative pole is connected with power supply, and anode connects with the collecting electrode of aerotron Q1.The grounded emitter of aerotron Q1, ground level is connected with the output pin EN01 of control unit U1.After control unit U1 analyzes each incoming signal, output signal controls blowing engine 140 wind-force.
Water escape valve control module, comprises electrical motor B3, motor relay K3, diode D3, aerotron Q3.Motor relay K3 contact part connects power supply, ground connection after lower termination electrical motor B3.Diode D3 and motor relay K3 coils from parallel connection of coils, its negative pole is connected with power supply, and anode is connected with the collecting electrode of aerotron Q3.The grounded emitter of aerotron Q3, base stage is connected with the output pin EN03 of control unit U1.After control unit U1 analyzes each incoming signal, output signal controls the open and close of water escape valve 190.
Air extractor duct control module, comprises aerotron Q5, Q6, electrical motor B5, motor relay K5, diode D5, D6.Receive power supply after the negative pole of diode D6 meets electrical motor B5, its positive pole is connected with the collecting electrode of aerotron Q6.Ground connection after the emitter of aerotron Q6 connects with the contact part of motor relay K5, ground level receives the output pin EN06 of control unit U1.The coiler part of motor relay K5 is in parallel with another diode D5, and this diode D5 negative pole in parallel receives power supply, and positive pole receives the collecting electrode of another triode Q5, the grounded emitter of this aerotron Q5, and ground level receives the output pin EN05 of control unit U1.Control unit U1 is according to the car internal and external environment temperature-humidity signal of input, and output signal controls the open and close of the first air extractor duct 200 and the second air extractor duct 210, selects air port by controlling two aerotron Q5, Q6, better realizes except fog effect.
Implement to be further described for the demist of vehicle glass inside face,
Vehicle glass inside face automatic defrosting system cloud gray model diagram of circuit described in the utility model as shown in Figure 2.
The temperature value recorded can be passed to control unit U1 by car humidity sensor assembly in the form of a signal, and control unit U1 analyzes the car humidity value recorded.
Control unit U1 controls to open internal air circulation or air outer circulation pattern.
When relative humidity humidity in car is less than or equal to relative humidity outside car, control unit U1 switches air door 130 through the first airdoor control module transfer control signal to first, open the second admission port 120, close the first admission port 110, vehicle glass inside face automatic defrosting system opens internal air circulation pattern.
When relative humidity in car is greater than relative humidity outside car, control unit U1 switches air door 130 through the first airdoor control module transfer control signal to first, close the second admission port 120, open the first admission port 110, vehicle glass inside face automatic defrosting system opens air outer circulation pattern.
The temperature value recorded can be passed to control unit U1 by the outer temperature sensor module of car, vehicle glass internal surface temperature sensor assembly in the form of a signal, control unit U1 analyzes in conjunction with these two temperature values and measured vehicle glass inside face humidity value, whether has tied mist maybe will tie mist and judge vehicle glass inside face.
Judge that in car, air reaches condensation state after contacting with interior surfaces of glass when control unit U1 analyzes, demister system is started working.
In season in spring and autumn, not needing in car turns on the aircondition carries out heating or under cryogenic conditions:
When showing that vehicle glass inside face relative humidity is greater than 85% after control unit U1 computational analysis, control unit U1 switches air door 150 through the second airdoor control module transfer control signal to second, open drying pipeline, closed dehumidifying pipeline, air is sent into dryer 170 and is carried out drying by blowing engine 140, and the air after dehumidifying blows to Front Windshield through air extractor duct 190, side window, back window glass inside face carry out demist.
When the temperature-humidity signal that control unit U1 is detected by air channel dust humidity detection system and wind duct temperature checking system sentence drying pipeline relative humidity be greater than 85% time, control unit U1 switches air door 150 through the second airdoor control module transfer control signal to second, open dehumidifying pipeline, air is sent into temperature booster 160 pairs of air and is heated by blowing engine 140, then the air after heating is sent into dryer 170 and carry out drying, finally the air after dehumidifying is entered in car through air extractor duct 200, realize the drying of dryer.
Summer need turn on the aircondition refrigeration or turn on the aircondition winter heating condition under:
When reaching preset value with the vehicle glass inside face temperature difference outside car and corresponding relative humidity is greater than 85%, control unit U1 switches air door 150 through the second airdoor control module transfer control signal to second, open drying pipeline, closed dehumidifying pipeline, air is sent into dryer 170 and is carried out drying by blowing engine 140, and the air after dehumidifying blows to Front Windshield through air extractor duct 190, side window, back window glass inside face carry out demist.
When the temperature-humidity signal that control unit U1 is detected by air channel dust humidity detection system and wind duct temperature checking system sentence drying pipeline relative humidity be greater than 85% time, control unit U1 switches wind 150 through the second airdoor control module transfer control signal to second, open dehumidifying pipeline, air is sent into temperature booster 160 pairs of air and is heated by blowing engine 140, then the air after heating is sent into dryer 170 and carry out drying, finally the air after dehumidifying is entered in car through air extractor duct 200, realize the drying of dryer.
When ducting system humidity sensor module detects absolute humidity in system, the signal transmission detected is to control unit U1, and when humidity value is more than 95%, control unit U1 opens water escape valve 180 through water escape valve control module, excessive moisture is discharged outside car, close after opening 45 ~ 55 seconds at every turn.
When system for detecting temperature and dust humidity detection system, when the temperature difference detected and relative humidity out of reach condensation state, vehicle glass inside face automatic defrosting system quits work automatically.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. a vehicle glass inside face automatic defrosting system, is characterized in that, comprising:
Car internal and external temperature sensor assembly, it is for the temperature inside and outside measured automobiles;
Moisture sensor module inside and outside car, it is for the humidity inside and outside measured automobiles;
Moisture sensor module inside and outside glass, it is for humidity inside and outside measured automobiles glass for vehicle window;
First switches air door, and it is arranged on the common place of multiple admission ports of air channel pipeline, for switching automobile Inner eycle and outer circulation;
Second switches air door, and it is arranged on the entrance intersection of dehumidifying pipeline and drying pipeline, optionally switches and is communicated with dehumidifying one of pipeline and drying pipeline;
Dryer, it is arranged in drying pipeline, for air dewetting in pipeline; Drying pipeline before dryer described in the outlet of wherein said dehumidifying pipeline;
Controller, it receives the signal of described sensor assembly, controls described first and switches the switching that air door and second switches air door.
2. vehicle glass inside face automatic defrosting system according to claim 1, it is characterized in that, described dryer also comprises water escape valve, for getting rid of the moisture in dryer.
3. vehicle glass inside face automatic defrosting system according to claim 1 and 2, is characterized in that, be also provided with blowing engine in described air channel.
4. vehicle glass inside face automatic defrosting system according to claim 1 and 2, it is characterized in that, described dryer internal desiccant is silica gel.
5. vehicle glass inside face automatic defrosting system according to claim 2, is characterized in that, also comprise: moisture sensor module in air channel, for measuring humidity in air channel; Wherein said controller receives the humidity of moisture sensor module in described air channel, when the humidity of moisture sensor module exceedes threshold value in air channel, controls described water escape valve and opens.
6. vehicle glass inside face automatic defrosting system according to claim 1 and 2, is characterized in that, also comprise in described dehumidifying pipeline:
Evaporator, for the condensate moisture dehumidified in pipeline;
Temperature booster, after it is arranged on described evaporator, for the air heating dehumidified in pipeline.
7. vehicle glass inside face automatic defrosting system according to claim 1 and 2, it is characterized in that, described drying pipeline has multiple air discharge port.
8. vehicle glass inside face automatic defrosting system according to claim 7, it is characterized in that, described air discharge port is arranged near automotive window.
9. vehicle glass inside face automatic defrosting system according to claim 3, is characterized in that, the wind-force of the adjustable described blowing engine of described controller.
10. vehicle glass inside face automatic defrosting system according to claim 5, is characterized in that, the opening time of described water escape valve is 45 seconds ~ 55 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425003.XU CN204775147U (en) | 2015-06-18 | 2015-06-18 | Automatic defogging system of car glass internal surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425003.XU CN204775147U (en) | 2015-06-18 | 2015-06-18 | Automatic defogging system of car glass internal surface |
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| CN204775147U true CN204775147U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520425003.XU Expired - Fee Related CN204775147U (en) | 2015-06-18 | 2015-06-18 | Automatic defogging system of car glass internal surface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908718A (en) * | 2015-06-29 | 2015-09-16 | 吉林大学 | Automobile glass automatic defogging system and method based on transmittance and relative humidity |
| CN110149740A (en) * | 2019-06-17 | 2019-08-20 | 郭康宁 | A kind of glass for vehicle window is anti-to haze and device and anti-hazes and Defrost method |
| CN111236803A (en) * | 2020-03-29 | 2020-06-05 | 江苏星星家电科技有限公司 | Show case capable of preventing glass condensation |
-
2015
- 2015-06-18 CN CN201520425003.XU patent/CN204775147U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908718A (en) * | 2015-06-29 | 2015-09-16 | 吉林大学 | Automobile glass automatic defogging system and method based on transmittance and relative humidity |
| CN110149740A (en) * | 2019-06-17 | 2019-08-20 | 郭康宁 | A kind of glass for vehicle window is anti-to haze and device and anti-hazes and Defrost method |
| CN110149740B (en) * | 2019-06-17 | 2024-02-20 | 郭康宁 | Anti-fogging device for car window glass and anti-fogging and defrosting method |
| CN111236803A (en) * | 2020-03-29 | 2020-06-05 | 江苏星星家电科技有限公司 | Show case capable of preventing glass condensation |
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