CN200951211Y - Device for freshing air in a car - Google Patents

Abstract

The utility model discloses an air improved device used in auto, which comprises an air humidifier, a water fog heating circuit used to heat the water fog generated by the air humidifier, a circuit of producing negative ion and a voltage converting circuit. The device is not confined by different areas and climates and the problems caused by the areas and climates are solved since a heater is adopted to heat the fog, so suitable temperature can be kept in the auto in a cold winter (in northern area) and frazil ice formed and combined on the front glass which affects the line of sight of the driver can be avoided.

Description

Air improves device in a kind of car

Technical field

This utility model relates to the interior air of a kind of car and improves device, and the air that especially has interior air wetting of car and pure and fresh effect improves device.

Technical background

Traditional method of improving air in the car is: install air aromatic and the dense perfume of flavor in the car additional, remove the interior abnormal flavour of car by its evaporable abnormal smells from the patient.Because car is the environment of a sealing in motion with respect to the external world, the driver is being flooded with strong perfume taste like this and is mixing in the car of air pollution, add dry gas, not only make people's lassitude more can make the driver that the sensation of headache and dizzy is arranged, to safety is totally unfavorable (mainly being that various abnormal smells from the patients mix that air drying stimulates people's taste organ and the untoward reaction that produces in the car), is in this environment healthy unfavorable to driver and occupant for a long time.

And nowadays use a large amount of electronic equipments in the car, so just have a problem: static is to the infringement of electronic equipment! Electrostatic generation has multiple reason in the car, and adopt nylon or static that leather, rubber tyre and ground friction produced etc. to give in the car in a large number as the outsourcing material at seat in the car electronic equipments have brought potential safety hazard more! The performance of car is lowered, the more important thing is to safety and bring harm! Increased traffic hidden danger virtually greatly.

Eliminating electrostatic most effectual way is the relative humidity that improves environment, and for keeping lower relative failure frequency, the relative humidity of environment should be controlled at about 55%, and table 1 shows the static electricity on human body's current potential under several situations.

Table 1: human body electrostatic potential under several situations

As seen, air in the car is carried out humidification can reduce electrostatic generation, avoid because the hidden danger that static brings.The patent No. is in 200320110822.2 the Chinese patent, a kind of automobile anion air humidifier has promptly been proposed, form by water container and supersonic generator, make aqueous solution under cavitation by ultrasound wave, form water smoke, constantly produce a large amount of negative oxygen ions, can active adsorption airborne floating dust and kill airborne noxious bacteria, play the effect that purifies air and regulate air humidity in the car.

But, in cold snap, in car, blow out the water smoke or the anion of same cold, can strengthen nip in the air, reduce comfortableness.In addition, the car inner phase is inaccessible environment to external world, and heating in not needing car but need carry out humidification the time, can form " frost flower " on front windshield influences driver's sight line.

The utility model content

This utility model is exactly in order to solve the problems referred to above that air in the traditional vehicle improves device, proposes that air improves device in a kind of new car, makes driver and occupant be in light comfortable environment inside car.

For this reason, air improves device and comprises air humidifier in the car in the car of the present utility model, is used for the water atomization of water container and is discharged in the compartment to increase humidity; It is characterized in that: also comprise the water smoke heater circuit, be used for the water smoke that air humidifier generates is heated.

Preferably,

Air humidifier comprises the water smoke exhaustor in the described car, and described heater circuit is mounted in the PTC heater that is clipped in the discharge duct in the fan-shaped aluminium flake of multiaspect.

Also comprise the water smoke heating control circuit, described water smoke heating control circuit comprises optocoupler, bidirectional triode thyristor and ceramic heating element, the photosensitive controllable silicon conducting of wherein said optocoupler provides first condition for the unlatching of bidirectional triode thyristor, and the control utmost point of bidirectional triode thyristor is to be controlled by the leakage current of ceramic heating element.

Also comprise anionic generating circuit, described anion generator and humidifier integrate.

The fog gas outlet of described air humidifier and the gas outlet of anion generator are connected with air-conditioner air outlet in the car.

Also include voltage conversion circuit, be integrated in the interior air-condition circuits of car.

Described changing voltage comprises 220V voltage, and links to each other with the 220V voltage receptacle that is provided with in the compartment.

Described voltage conversion circuit and the water container preset distance of being separated by is avoided because of the Danger Electric shock risk that leaked.

Also add aromatic substance in the described water container, thereby when producing humidified gases, attach out aroma gases.

The scheme advantage that the utility model proposes is as follows:

This utility model adopts heater that fog is heated, thereby has solved the problem that region, weather bring, and makes this utility model not be subjected to the restriction of region, weather, can keep temperature certain in the car in the winter of cold (northern area).Since when humidification to the Steam Heating that humidifier produced, can be in conjunction with said " frost flower " on front windshield.

This utility model built-in voltage conversion equipment is integrated in relevant circuit in the interior air-condition circuits of car, additionally do not take the interior space position, do not destroy the interior trim in the former car, the coordination that kept style in the former car has fundamentally solved the problem that conventional humidifier need be installed in the interior trim that has influenced car in the car; Do not need to take the interface of lighter yet, so fundamentally utilized interior space, make to reach original coordination in the car on the whole.

This utility model also increases anion generator, and anion claims the air vitamin, has the dust in interior cigarette ashes of efficient removing car and the air pollution, the effect of killing airborne antibacterial, eliminating poisonous chemical volatile matter and remove various abnormal flavour.After medical research proof anion is absorbed by the body, can prevent disease propagate.To respiratory tract disease, severe acute respiratory syndrome has prevention effects.Also but allaying tiredness makes the people in high spirits, and work efficiency improves (this point is extremely important to the driver); And has a prevention air conditioning disease function (this some very important) to the working clan.

Because the fog of the present utility model and the gas outlet of anion and the air outlet of air-conditioning join, and have avoided white fog to influence driver's vision.

Owing to increase the 220V socket, make the driver go out to use computer and can not worry for can not find the AC220V power supply again during for cell-phone charging.

And this utility model is installed in car body inside (in the engine bin) with the dangerous potential circuit of 220V, thereby isolated contacting of people and 220V voltage, and circuit part of the present utility model and water container be separated by far away, can be because of the Danger Electric shock risk that leaked, more safe and reliable

Add aromatic substance (as perfume etc.) in the water container, thereby when producing humidified gases, attach out aroma gases, make slowly volatilization and light of fragrance, driver and occupant can pacify own hobby add aromatic substance how much.Thereby removed the scent flask that stops the driver visual field and improved air quality in the car because this device has been installed in automobile, made driver's sanity, guaranteed traveling security.

Description of drawings

Fig. 1 is the scheme of installation of water container in car that air improves device in this utility model embodiment car.

Fig. 2 is the circuit theory diagrams that air improves device in this utility model embodiment car.

Fig. 3 a, 3b are the voltage conversion circuit schematic diagrams that air improves device in this utility model embodiment car.

Fig. 4 is the circuit block diagram that air improves device in this utility model embodiment car.

Fig. 5 is that air improves device and is connected sketch map with air-conditioner air outlet in this utility model embodiment car.

The specific embodiment

As shown in Figure 1, the interior air of this utility model car improves the interior installation site figure of car of the water container of device.Water container is to be embedded in and circuit (in the car body engine bin inside) position far away that is separated by, can be more not safe and reliable because of the Danger Electric shock risk that leaked.

Humidifier is to utilize supersonic generator to produce frequency to be sine wave more than the 25kHZ or impulse wave in the car, converting high-frequency mechanical vibration to by transducer propagates in the medium (clear water), ultrasound wave in water density interphase to previous irradiation, make current produce countless micro-bubbles, these bubbles break and promptly produce the water smoke ejection.Accompanying drawing 2 is circuit diagrams of humidifier.This circuit is made up of three partial circuits according to function: the one, and be that the center constitutes supersonic generator by Q3; The 2nd, the water yield that is made of Q5 detects and the control of mist amount size; Three by Q6, photoelectrical coupler N2 and the bidirectional triode thyristor T1 thermal control to water smoke.Regulator potentiometer W2 can regulate mist amount size, and can be by hot mist/1 pair of water smoke heating of cold mist switch S, and the mist that makes ejection is hot mist.

After heater had been arranged, this device was not subjected to the restriction of region, weather, can keep temperature certain in the car as required in the winter of cold (northern area).

Wherein power supply needs independent current source, and power supply becomes 72V and powers to main circuit after rectification.S3 is that the water yield detects gauge tap, and the Q5 conducting makes the Q3 conducting through R17, R12 when the water yield in the container can be dipped into two conductive contacts of S3.By the ultrasonic oscillator starting of oscillation that peripheral circuits such as Q3 and L3, L4, C13 constitute, the oscillator signal of generation is added on the ultrasonic transducer D3 through C12.Produce mechanical vibration and excite the generation blister.Adjust the bias voltage of Q5 indirectly by W2, W3, regulate the agitator output.W2 and on and off switch K interlock, W3 is a N Reference Alignment.

Form the water smoke heating control circuit by N2, D7, T1 and EH1, to the water smoke heating that generates.When the water smoke that produces when exhaustor sprays, by being installed in PTC (ceramic heater) the heating element heating that is clipped in the discharge duct in the fan-shaped aluminium flake of multiaspect, spray hot mist.Thereby adopted optocoupler N2 to isolate.After hot mist/cold mist switch S 1 was connected, the S3 energized made the Q6 conducting through R18, and the then photosensitive controllable silicon conducting of N2 first condition is provided for the unlatching of bidirectional triode thyristor T1, and the control utmost point of T1 is to be controlled by the leakage current of ceramic heating element.When water smoke, the leakage current between ceramic heating element EH1 and housing is enough to make the T1 conducting to make EH1 produce heat.When the water smoke amount was big, leakage current was also big, reached the purpose of the hot mist temperature of automatic control.

It is high more that generator produces frequency of ultrasonic, and mechanical vibration are just strong more, and (1～10um) is just littler, good more to the humidification effect of air for the diameter of generation mist.

Can on vehicle-mounted humidifier, produce anion.Its circuit needs a high tension generator, electrion chamber.The operation principle of anion generator is that voltage is upgraded to negative direct current high voltage by booster circuit, utilize the most advanced and sophisticated high direct voltage of carbon hairbrush to produce high corona, emit a large amount of electronics (e-) at high speed, and electronics can't be present in air (electron lifetime of existence has only the ns level) for a long time, can be caught by airborne oxygen molecule at once, form anion, the similar phenomena that its operation principle and occurring in nature thunderstorm weather produce, for example the input voltage of F12B anion generator module on the market is DC12V, power consumption＜1W, producible negative ion concentration is 3 * 106pcs/ cubic centimetre, and volume is little only to be 42mm * 24mm * 21mm.The power of making is 15W.The interior air of car improves device and can work long hours, and installation will be decided according to humidifier in the car and interior space.

Fig. 3 a, 3b are the circuit theory diagrams that a DC12V is converted to AC220V, DC75V, are usually said inverter, and circuit is planted time generator and power switch circuit etc. by agitator, frequency divider, sky and constituted.

Agitator adopts 555 time base circuits to produce 2 times of square waves that supply frequency is 100/120KHZ, can utilize 50K Ω potentiometer to set up between 72---145HZ under the diagram parameter.

Frequency divider is served as by d type flip flop U4, and it is output as 50% of incoming frequency, and dutycycle is 50% square wave.

U3 is that the sky that prevents the conducting simultaneously of two power switch pipes is planted time generating circuit.The output of U2 inputs to NAND gate U3 after the time-delay of 10K Ω, 1000pF.

U2 is the drive circuit of power switch pipe, and per 3 phase inverters are together in parallel to increase driving force.

The power supply of above circuit is powered through three terminal regulator output 9V by 12V.

Power switch circuit adopts two MOS-FET audions to do symmetrical operation, and two tube grids input phase respectively differ from 180 square waves of spending; Booster transformer is selected the mains transformer of 220V/12V * 2 for use, and power is between 120VA---150VA, and the transformer secondary output current requirements reaches 5A * 2.Be parallel with the RC series network at secondary two ends, the overvoltage that produces during with the open and close of absorption circuit.Because line is longer between this machine and accumulator, lead-in wire has a constant impedance, is suppressed so incorporate the electrochemical capacitor of 2200uF in the 12V power supply.For preventing in 220V output, to sneak into high-frequency noise, added the noise filter circuit of common mode choke and electric capacity formation at outfan.

Power switch pipe adopts VDSS=150V, IDR=20A, the MOS-FET of Pch=120W 25 ℃ the time.With being fixed in the bottom of metal chassis behind insulating trip on two pipe pads and the thermal conductive silicon system of the being coated with fat, utilize casing to make radiator.

This circuit does not design overcurrent protection, only is provided with the electric fuse of a 0.5A at outfan.Be parallel with neon lamp at outfan and make power supply indicator.Output AC220V delivery outlet can be set as required needing usually be used for AC220V electrical equipment (as notebook computer, coffee pot, cell-phone charging etc.), make the driver go out, lie fallow and worry because of lacking the AC220V power supply! Supply socket that can the air-conditioning button goes out an external AC220V in car.Locate with having marked AC220V supply socket place among Fig. 5!

Fig. 4 is Fig. 2,3 overall diagram.AC220V mark place couples together in can be directly Fig. 2,3 when connecting.

On arrangement space, present embodiment is integrated in foregoing circuit in the car in the air-condition circuits, adopts the mode of the integrated above-mentioned serial circuit of air-conditioning in car, additionally do not take the interior space position, do not destroy the interior trim in the former car, do not change former car interior trim fully, kept the coordination of style in the former car.

Because this utility model running voltage is 220V, be dangerous voltage, for considering the safety of driver and occupant (especially the child is active), this part circuit is installed in car body inside, thereby has isolated contacting of people and 200V voltage.

But DC12V conversion AC220V of the present utility model and DC75V circuit independent utility, it can directly be converted to DC12V the voltage of AC220V, can be by adorning the output that an interface is used for the AC220V power supply in car, make things convenient for like this driver go out or car in work leisure (as for use notebook computer onboard, as cell-phone charging etc.) use the AC220V power supply that convenience is provided.(another benefit)

Figure 5 shows that the pipeline of air wetting gas device of this device and the gas that the anion device is produced and the figure that is connected of air-conditioning wind pipe.Humidified gases can be established pipeline 2 in addition and be connected with air-conditioning wind pipe 3.Because it is vaporous that fog mostly is white, considers that influencing driver's vision brings potential safety hazard, in the preferred version of the present utility model, the gas outlet of fog and anion and the air outlet of air-conditioning join, and influence driver's vision to have avoided white fog.Among Fig. 5,4 is the AC220V supply socket, and 1 is the water container position.

Though humidifier of the present utility model and anion generator integrate, the user is inactive anion generator when only needing humidifying air as required, and the humidifier of stopping using when needs produce anion uses more humane.

Design of the present utility model has the effect of certain disease prevention and physical therapy and aids in air-conditioning and improves in the car air quality eliminating bacteria and make driver, occupant's health more favourable; Utilize modern advanced electronic technology and design formation, make that designs simplification, fault rate reduce greatly, more convenient assembling, use.

This utility model has fundamentally solved the problem that conventional humidifier need be installed in the interior trim that has influenced car in the compartment, does not need to take the interface of lighter, has so fundamentally utilized interior space, makes to reach original coordination in the car on the whole.

And can add aromatic substance (as perfume etc.) in the water container thus when producing humidified gases, attach out aroma gases, make slowly volatilization and light of fragrance, driver and occupant can pacify own hobby add aromatic substance how much.

Claims (9)

1, air improves device in a kind of car, comprises air humidifier in the car, is used for the water atomization of water container and is discharged in the compartment to increase humidity; It is characterized in that: also comprise the water smoke heater circuit, be used for the water smoke that air humidifier generates is heated.

2, air improves device in the car as claimed in claim 1, it is characterized in that: air humidifier comprises the water smoke exhaustor in the described car, and described heater circuit is mounted in the PTC heater that is clipped in the discharge duct in the fan-shaped aluminium flake of multiaspect.

3, air improves device in the car as claimed in claim 1 or 2, it is characterized in that: also comprise the water smoke heating control circuit, described water smoke heating control circuit comprises optocoupler (N2), bidirectional triode thyristor (T1) and ceramic heating element (EH1), the photosensitive controllable silicon conducting of wherein said optocoupler (N2) provides first condition for the unlatching of bidirectional triode thyristor (T1), and the control utmost point of bidirectional triode thyristor (T1) is to be controlled by the leakage current of ceramic heating element.

4, air improves device in the car as claimed in claim 1, and it is characterized in that: also comprise anionic generating circuit, described anion generator and humidifier integrate.

5, improve device as claim 1 or 4 described Nei Chenei air, it is characterized in that: the fog gas outlet of described air humidifier and the gas outlet of anion generator are connected with air-conditioner air outlet in the car.

6, Nei Chenei air as claimed in claim 1 or 2 improves device, it is characterized in that: also include voltage conversion circuit, be integrated in the interior air-condition circuits of car.

7, Nei Chenei air as claimed in claim 6 improves device, it is characterized in that: described changing voltage comprises 220V voltage, and links to each other with the 220V voltage receptacle that is provided with in the compartment.

8, Nei Chenei air as claimed in claim 6 improves device, it is characterized in that: described voltage conversion circuit and the water container preset distance of being separated by, avoid because of the Danger Electric shock risk that leaked.

9, Nei Chenei air as claimed in claim 1 or 2 improves device, it is characterized in that: also add aromatic substance in the described water container, thereby attach out aroma gases when producing humidified gases.

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