CN201586247U - Plasma air disinfection purifier for automobile - Google Patents
Plasma air disinfection purifier for automobile Download PDFInfo
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- CN201586247U CN201586247U CN2009202159657U CN200920215965U CN201586247U CN 201586247 U CN201586247 U CN 201586247U CN 2009202159657 U CN2009202159657 U CN 2009202159657U CN 200920215965 U CN200920215965 U CN 200920215965U CN 201586247 U CN201586247 U CN 201586247U
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- automobile
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model relates to a plasma air disinfection purifier for automobile, which comprises a plasma reactor, a pulse power supply, a fan component, an air inlet, an air outlet and a housing. The purifier is characterized in that: a plurality of positive electrodes composed of nickel- chromium metal wires or metal tapes arranged in same plane in parallel with same intervals are disposed in the plasma reactor; every positive electrode is disposed between two adjacent negative electrodes; two ends of the positive electrode are fixed in the corresponding groove or convex part on a micro discharge preventing conductor rail; both ends of the conductor rail is provided with insulators fixed on the corresponding positions on the housing; the negative electrode is made of a surface oxidation treated aluminium plate with two surfaces coated by nanometer TiO2. The purifier has high efficiencies for disinfecting, sterilizing, adsorbing respirable particulate and degrading poisonous harmful gases; achieves the advantages of energy conservation, high reliability, long service life, simple structure and convenient installation; can be used for dynamic air disinfection and cleaning for automobile, especially car; also can be used for air disinfection and cleaning for subway and light rail compartment, office and house.
Description
Technical field:
This utility model belongs to technical field of air sterilization and purification, is specifically related to plasma air disinfection purifier for automobile.
Background technology:
It is reported that indoor environment monitoring center of Chinese interior decoration association carried out investigation at air pollution problems inherent in the new car, find that in-vehicle air pollution is commonplace 200 cars being inspected at random by random samples the back.If with reference to national IAQ (indoor air quality) standard, 90% car can not pass, most vehicle formaldehyde exceeds standard all more than five or six times.In the investigative action of another time nationwide, in 1175 automobiles all the test items vehicle that all reaches standard only be 52, only account for and surveyed 6.18% of sum, in-vehicle exposure has become " the stealthy killer " of harm health of people.
Purify association's analysis expert according to the Shanghai City indoor environment, pollution in the automobile air has three big main sources: first new car itself, a lot of automobiles have descended production line just directly to come into the market, harmful gas and abnormal smells from the patient in various accessories and the material are not fully discharged, and directly cause the air pollution in the car; Its two, all to carry out upholstery behind most consumers buying car, cause some cover for seat pads that contain hazardous substance, adhesive into the car, cause in-vehicle air pollution to some extent; Its three, mycete grows in the vaporizer of automotive air-conditioning system, air channel, air filter, procreation all the year round, and is particularly outstanding in the air-conditioning that moves under humid conditions especially.
According to expert introduction, the pollution in the automobile air can cause asthma, dyspnea, symptom such as memory and hearing loss, pulmonary are hemorrhage; The pollutant that distributing strange taste in the new car can cause very big harm to human body, and formaldehyde can cause nausea, cough, asthma even emphysema; And benzene belongs to carcinogen, and the calomel poisoning meeting causes headache, chest tightly to restraint sense etc., and blurred vision, arrhythmia, tic and stupor can appear in severe intoxication.
Ben is that in recent years SARS, bird flu and current influenza A H1N1 causes global number of the infected on a large scale can't add up, and the up-to-date epidemic situation communique that World Health Organization (WHO) delivers claims: global swine flu death toll surpasses 7800 people.The route of infection of influenza A H1N1 mainly is an air, and infectious pathogen is attached in the air usually≤and 5 μ m swim on the microgranule, flow with air and spread, and infected person is caused a disease because of sucking this air; Be droplet infection again: the mouth liquid spittle of patient's cough, sneeze, the substance in spite of illness that produced of speaking is floating in air, and is bigger with the closely infected probability of patient.Automobile sealed environment and passenger southeast the northwest, made propagation influenza A H1N1 and so on disease good opportunity from all directions.
For this reason, the scientific research personnel proposes the air disinfection purifier technical scheme in the automobile in succession, produce effect, but unsatisfactory.For example: application number 200710045442.8, the applying date: 2007.8.30, denomination of invention is " automobile air conditioner system peculiar smell removing device ", claims state clearly: a kind of automobile air conditioner system peculiar smell removing device, comprise: vaporizer, blower fan, the air channel air inlet, the air channel air outlet, the air channel, vaporizer places in the air channel, blower fan is installed in the air channel between the air channel air inlet and vaporizer, the port that vaporizer one side is installed in the air channel is the air channel air outlet, it is characterized in that, also comprise: heater, automatic control module, heater be arranged on vaporizer around, described automatic control module, be responsible for receiving the low-voltage input signal after air conditioning for automobiles is out of service, carry out self-clocking, and control signal exported to heater and blower fan, the input port of automatic control module receives air conditioning system signal out of service, an output port output of automatic control module switch order control heater, another output port output switch order control blower fan of automatic control module, the power port of automatic control module links to each other with power supply.
Be not difficult to find out: the heater of this technical scheme is intercepted growing effectively of mycete to the oven dry of the knot water of evaporator surface; Harmful gas to bacterial virus and formaldehyde, benzene and so on is invalid.Automobile is at running on expressway, and window closes, and is powerless to in-vehicle air pollution.
Application number 200810040575.0 for another example, the applying date: 2008.7.15, denomination of invention is " nanometer plasma purifier " disclosed scheme: nanometer plasma purifier, comprise purifier carrier, screen plate, it is characterized in that, also comprise plasma electrostatic precipitation module, ultraviolet air-purifying module; Described purifier carrier is a pipe-like, and two ends are respectively equipped with air inlet and air vent; Described purifier carrier inside to air vent one end, is equipped with screen plate, gas-pervious plasma electrostatic precipitation module and ultraviolet air-purifying module from air inlet one end successively.
Improved electrostatic precipitation module, ultraviolet air-purifying module suck particulate matter to removing, disinfection is effective.But have degraded toxic and harmful weak effect, quartz burner that installs additional and ballast working life are limited, and energy consumption is big, and ultraviolet leakage causes new harm to human body; Two kinds of equipment unifications, complex structure, it is inappropriate particularly will being contained in the car.Say that again " electrostatic precipitation " is the static discharge by electrode, make electric charge on the particulate matter band in the air-flow, by the effect of Coulomb force, being deposited in the collecting plate trapped charged particle of the band charges of different polarity then, particulate matter separated from air-flow--this does not reach mutually with " plasma " wind oxen and horses.
Summary of the invention:
The purpose of this utility model is in order to solve above-mentioned the deficiencies in the prior art, and provide a kind of all effective, air disinfection and purification efficient height, energy-conservation, good reliability, long working life to disinfection in the automobile, absorption pellet and degraded toxic and harmful; And simple in structure, the plasma air disinfection purifier for automobile of being convenient to install.
In order to achieve the above object, the technical solution of the utility model is:
Plasma air disinfection purifier for automobile, comprise plasma reactor, the pulse power, fan assembly, air inlet, air outlet and shell, air inlet is provided with the air inlet air filter, air outlet is provided with the air outlet air filter, and plasma reactor and fan assembly are arranged among the air-flow; The fan assembly frame is provided with the fan assembly support, with the support hold-down screw it is fixed on the shell; The electrical input of the pulse power and fan assembly is established power connector and is connected with automobile storage battery; It is characterized in that being provided with in the described plasma reactor some nickel chromium triangle tinsels or nickel chromium triangle metal tape in same plane by the equidistant anelectrode that is arranged in parallel and makes, anelectrode places adjacent two negative electrode middle parts; The two ends of anelectrode are to be fixed on to stop on the micro discharge conductor rail in corresponding groove or the protuberance, and stoping the micro discharge conductor rail is to be made by aluminium bar or stainless steel strip, and makes electric connection; The two ends of prevention micro discharge conductor rail are provided with insulant and are fixed on the shell relevant position; The upper/lower terminal of described negative electrode is directly to be fixed on the metal shell of reactor, and makes electric connection; Negative electrode is that the aluminium sheet of surface oxidation treatment is made, and nanoscale TiO is laid on the two sides of negative electrode
2
Preferentially described plasma air disinfection purifier for automobile, it is characterized in that being provided with in the described pulse power EMC wave filter, rectification circuit, filter circuit, pulse generator, pulse transformer successively preface be electrically connected, positive and negative two outfans of pulse transformer connect anelectrode, the negative electrode of plasma reactor correspondence through high-voltage conducting wires; Switching tube in pulse transformer and the pulse generator is the setting of single-ended flyback inverter.
Preferentially described plasma air disinfection purifier for automobile, the two ends that it is characterized in that described prevention micro discharge conductor rail are fixed with four anelectrode metal racks that quadrature is arranged on around the reactor again, and make electric connection; The upper/lower terminal of every anelectrode metal rack is established an insulation junctional complex and the corresponding installing hole of shell of reactor is fixed; Described nanoscale TiO
2It is the Detitanium-ore-type catalyst of band-gap energy 3.2eV.
Preferentially described plasma air disinfection purifier for automobile is characterized in that the nickel chromium triangle wire diameter optimum of described anelectrode is 0.15--0.20mm, or nickel chromium triangle metal tape optimum width is 1.0--2mm, and thickness is 0.06--0.15mm.
Preferentially described plasma air disinfection purifier for automobile is characterized in that described pulse transformer is provided with a multiple-grooved insulated coil skeleton, and secondary coil is that three sections to five sections of branches are wound in the corresponding groove of multiple-grooved insulated coil skeleton and are in series; Establish a high pressure fast recovery diode between every section coil, the positive pole of high pressure fast recovery diode is connected on the end of electronegative potential line bag, and the negative pole of high pressure fast recovery diode is connected on the initiating terminal of high potential line bag; Be provided with magnetic core in the endoporus of described primary coil and secondary coil and make electromagnetic coupled, be provided with magnetic air gap in the magnetic loop of magnetic core; Described magnetic core optimal design iron-base ultramicro-crystal iron core also can be provided with ferrite core.
Preferentially described plasma air disinfection purifier for automobile, it is characterized in that agitator, error amplifier and PWM comparator in the described pulse generator can be to make a module, also can select for use Switching Power Supply control IC 1 to comprise that UC3842, SG6848D make; Or digital control circuit and pulse generator share a monolithic integrated optical circuit, and three-terminal switch power supply IC1 comprises that TOP225 or TOP224 make, and also can be to comprise that with the better monolithic five terminal of performance Switching Power Supply IC1 MC33374 makes; The model that is provided with optocoupler IC2 in the described current detection circuit is PC817 or P721.
Analyze and research through the inventor: the bottle neck that hinders the plasma air disinfection purifier exploitation is a plasma reactor.The basic reason that the anelectrode of plasma reactor selects for use fine wire to be blown easily--the micro discharge effect is not found, and is indeterminate to its reason physically yet, thereby just can not find the technical scheme that solves prevention micro discharge effect yet.Everyly implementing the manufacturer that plasma reactor discharge anelectrode is selected the air disinfection purifier of zigzag or prong shape structure for use, majority was done the plasma reactor of tinsel as anelectrode in the past.Abandoning the fine wire anelectrode and selecting the technical scheme of the zigzag discharge electrode or the tip-like ionization utmost point for use is a kind of prejudice.
Through investigating: present most technical staff select for use insulant such as plastics, lucite, epoxy resin to make the fixedly plasma reactor negative electrode plate that just reaching wiry of support in order to solve the high-tension Insulation Problems of volts up to ten thousand between the plasma reactor positive and negative electrode; What minority was also arranged has added hairspring between insulating support and wire electrode.Studies show that: the insulant that dielectric constant is high is beneficial to the positive and negative electrode of isolating high potential, and deadly defect is to produce the micro discharge phenomenon; Next is that its surface is caused electric leakage, climbed arc with the accumulation of atmospheric humidity, dust along with the working time increases.The material that dielectric constant is high more, its surperficial micro discharge phenomenon are more inevitable.In order to promote the sterilizing and purifying effect, when the additional power source voltage rising of plasma reactor, the also corresponding enhancing of its polarity effect.Be the highfield that forms around the anelectrode, under the catalytic action of plasma, cause the local micro discharge that produces of tinsel and insulant contact area.The high energy electron that this micro discharge phenomenon produces plays direct effect to the ionization and the disassociation of insulant and metallic conduction material molecule, and catabolite is their oxide and water.The root place that the discharge anelectrode of Here it is plasma reactor selects for use fine wire to be blown easily.
This utility model compared with prior art has following beneficial effect:
This utility model shell designs especially, can be arranged separately in car copilot station bottom, and power supply is drawn from driver's cabin electric arc lighting cigar lighter socket; For motor bus then shell press the design and installation of square type body to car body top, needn't change the automobile existing utility.The present invention removes shell and blower fan, also can be arranged on the return air inlet or the air outlet of compartment air-conditioning; Or directly design in motorcar air conditioner.The present invention is with plasma and titanium dioxide optimum organization, and automobile is done dynamically sterilization.
The designed plasma reactor anelectrode of this utility model is fixed on by some nickel chromium triangle tinsels or nickel chromium triangle metal tape and stops on the micro discharge conductor rail, away from the insulation junctional complex.So compared with prior art, its micro discharge effect is prevented from, and can not influence the plasma reactor operate as normal, and prolong more than the twice service life.Simultaneously, make every nickel filament or metal tape make stable corona discharge in the direct current highfield, plasma density is enhanced about more than once than zigzag or tip-like discharge electrode.
Ben is that the aluminium sheet of plasma reactor negative electrode surface oxidation processes is made, above aspect be to lay TiO easily
2The Al that oxidation processes generates
2O
3Aspect is thin, at 18KV
P-PDo not influence corona discharge in the burst pulse high voltage electric field.When plasma reactor was made corona discharge, the blue light that reaction zone sends contained ultraviolet, and wavelength is 300--400nm, and light intensity peak is positioned at 357nm.And TiO
2Energy gap be 3.2eV, corresponding ultraviolet wavelength threshold value is 387.5nm.Experiment shows TiO
2When making air disinfection and purification, the catalysis optical source wavelength preferably≤387.5nm, the ultraviolet wavelength peak value that reaction zone sends is positioned at 357nm and meets this condition.So, ultraviolet source just can save, and has avoided the ultraviolet discharge lamp damage, to injury and the big drawback of ultraviolet source power consumption of human body.
Disinfection factor of the present utility model is that low temperature plasma adds and excites TiO
2The free radical that is produced.
The utlity model has the broad-spectrum sterilization effect: to staphylococcus aureus, escherichia coli, bacillus subtilis, read viruses such as strain bacterium, mycete and mycoplasma, hepatitis B, influenza in vain killing rate is efficiently all arranged.Have dedusting simultaneously, the gas of deodorizing, the function of removing organic exhaust gas such as abnormal flavour, degradation of formaldehyde, smog and TVOC.Through surveying: at 20m
3Killing rate behind this utility model work 20min that the Staphylococcus albus of artificial spray-painting in the sealing space air, rated power are 7W is more than 99.98%, and the killing rate of work 40min can be up to 100%.Degradation Formaldehyde rate 98.7%, ozone amount≤0.02mg/m is retained in suspended particles number≤350/L (Φ 〉=0.5 μ m) in the air
3
Energy-conservation is conspicuous: this utility model is at 100m
3The indoor consumed power that reaches the plasma reactor of the II of hospital class environment disinfected standard is 6--7W.This utility model is used for automobile, establishes heater or electrostatic precipitation module, below 1/3rd of ultraviolet air-purifying module technical scheme in then being.
Generally speaking, this utility model is all effective to disinfection in the automobile, absorption pellet and degraded toxic and harmful, air disinfection and purification efficient height, energy-conservation, good reliability, long working life; And simple in structure, be convenient to install.
As seen, this utility model it will be apparent to those skilled in the art that it is non-obvious for prior art, and can produce unexpected technique effect.
Description of drawings:
Fig. 1 is the structural representation of plasma air disinfection purifier for automobile;
Fig. 2 is this utility model plasma reactor Facad structure sketch map;
Fig. 3 is this utility model plasma reactor perspective view;
Fig. 4 is a pulse power electrical schematic diagram of the present utility model;
Fig. 5 is a pulse transformer structural representation of the present utility model;
Fig. 6 is a pulse transformer circuit diagram of the present utility model;
Fig. 7 is this utility model pulse transformer output electrion current waveform figure.
The critical piece description of reference numerals:
1-plasma reactor 2-pulse power 3-fan assembly
5-air inlet 6-air outlet 7-power connector
8-shell 9-air inlet air filter 10-air outlet air filter
11-high-voltage conducting wires 16-fan assembly support 17-support hold-down screw
101-anelectrode 102-negative electrode 103-stops the micro discharge conductor rail
104-anelectrode metal rack 105-insulation junctional complex 106-insulation junctional complex gim peg
107-conductor rail ring for fixing 108-shell of reactor 201-EMC wave filter
202-rectification circuit 203-filter circuit 204-pulse generator
The elementary insulated coil skeleton of 205-pulse transformer 206-current detection circuit 211-
212-multiple-grooved insulated coil skeleton 214-primary coil 215-secondary coil
216-magnetic core 217-high pressure fast recovery diode 218-magnetic air gap
The specific embodiment:
With reference to the accompanying drawings embodiment of the present utility model is described in further detail.
Embodiment 1:
Fig. 1 is the structural representation of plasma air disinfection purifier for automobile; Fig. 2 is this utility model plasma reactor Facad structure sketch map; Fig. 3 is this utility model plasma reactor perspective view.
As shown in Figure 1, plasma air disinfection purifier for automobile, comprise plasma reactor 1, the pulse power 2, fan assembly 3, air inlet 5, air outlet 6 and shell 8, air inlet 5 is provided with air inlet air filter 9, air outlet 6 is provided with air outlet air filter 10, and plasma reactor 1 and fan assembly 3 are arranged among the air-flow.Be provided with in the described plasma reactor 1 some nickel chromium triangle tinsels or nickel chromium triangle metal tape in same plane by the equidistant anelectrode 101 that is arranged in parallel and makes, anelectrode 101 places adjacent two negative electrode 102 middle parts; The two ends of anelectrode 101 are to be fixed on to stop on the micro discharge conductor rail 103 in corresponding groove or the protuberance, and stoping micro discharge conductor rail 103 is to be made by aluminium bar or stainless steel strip, and makes electric connection.The two ends of prevention micro discharge conductor rail 103 are provided with insulant and are fixed on shell 8 relevant positions, and the radial design value of insulant is than the big 3--5mm of distance between anelectrode 101 and the negative electrode 102.The upper/lower terminal of described negative electrode 102 is directly to be fixed on the metal shell of reactor 108, and makes electric connection.Negative electrode 102 is that the aluminium sheet of surface oxidation treatment is made, and nanoscale TiO is laid on the two sides of negative electrode 102
2Described nanoscale TiO
2It is the Detitanium-ore-type catalyst of band-gap energy 3.2eV.The band-gap energy height of Detitanium-ore-type catalyst, its virus killing sterilization, degraded TVO
S Effective.Fan assembly 3 frames are provided with fan assembly support 16, and fan assembly support 16 double as wind deflectors are fixed on the shell 8 with support hold-down screw 17.
The set anelectrode 101 of this utility model is to be located in the same plane by some nickel chromium triangle tinsels or nickel chromium triangle metal tape, and makes an assembly by the equidistant arrangement of 24mm optimum, amounts to n group (n is 100 following integers); Negative electrode 102 is that metallic plate is the n+1 piece; Discharge optimum distance between anelectrode 101 and the negative electrode 102 is 8--18mm.
The nickel chromium triangle wire diameter optimum of described anelectrode 101 is 0.15--0.20mm, or nickel chromium triangle metal tape optimum width is 1.0--2mm, and thickness is 0.06--0.15mm.Obtain predetermined plasma intensity requirement, keep low corona voltage, enough mechanical strengths are arranged again.In force, the nickel chromium triangle wire diameter optimum of getting anelectrode 101 is 0.18mm, or nickel chromium triangle metal tape optimum width is 1.5mm, and thickness is 0.10mm, obtains ideal bactericidal effect and working life.
Embodiment 2:
Fig. 4 is a pulse power electrical schematic diagram of the present utility model, and Fig. 5 is a pulse transformer structural representation of the present utility model, and Fig. 6 is a pulse transformer circuit diagram of the present utility model.
This utility model aims at the high voltage narrow pulse Switching Power Supply of the plasma reactor design that is capacitive.Among the figure, be provided with in the pulse power 2 EMC wave filter 201, rectification circuit 202, filter circuit 203, pulse generator 204, pulse transformer 205 successively preface be electrically connected, positive and negative two outfans of pulse transformer 205 connect anelectrode 101, the negative electrode 102 of plasma reactors 1 correspondence through high-voltage conducting wires 11.Pulse transformer 205 output cold ends are provided with current detection circuit 206, detected pulse transformer 205 output current signals are sent into pulse generator 204 inputs, the agitator that is provided with in the pulse generator 204, error amplifier, PWM comparator and switching tube.Agitator, error amplifier, PWM comparator and switching tube are arranged in the module, also can be integrated in the IC 1, the switching tube D utmost point in the IC1 connects pulse transformer 205 elementary winding a1 ends, the S utmost point connects rectification circuit 202 negative output terminals, and control utmost point C is connected with current detection circuit 206 interior set photoelectric coupled circuit IC2 outfans 4.End a1 of the same name, the a2 of the primary coil 214 of pulse transformer 205 and secondary coil 215 and different name end b1, b2 oppositely are provided with.Switching tube in pulse transformer 205 and the IC 1 is the setting of single-ended flyback inverter.
In general, it is original about 1/9th that coil divides the winding distribution capacity of three sections coilings, and it is original about 1/25th that coil divides the winding distribution capacity of five sections coilings.The proof voltage parameter of high pressure fast recovery diode 217 is 12KV at least, and recovery time is less than 80nS.
Be provided with magnetic core 216 in the endoporus of described primary coil 214 and secondary coil 215 and make electromagnetic coupled, magnetic core 216 is iron-base ultramicro-crystal iron cores, is provided with magnetic air gap 218 in the magnetic loop of magnetic core 216.The width that is provided with of magnetic air gap 218 is 0.15--0.4mm, is adjusted according to operating frequency and output.Most preferred embodiment operating frequency 38KHz, output 7W, it is 0.25mm that magnetic air gap 218 is provided with width.Described magnetic core 216 also can be that the ferrite core material of R2KD is made.Just the work magnetic flux density of magnetic ferrite magnetic core is not high, pcrmeability is on the low side, winding coil need double and abovely just can reach original inductance value, and this can make the delivery efficiency of pulse transformer 205, pulse climbing speed index superior not as the iron-base ultramicro-crystal iron core certainly.
Be provided with after transition diode D5 and the fast recovery diode D6 differential concatenation in parallel in the pulse generator 204 described in the utility model with primary coil 214, the positive pole of transition diode D5 is connected with the positive output end of rectification circuit 202, and capacitor C6 and transition diode D5 also connect.The positive pole of fast recovery diode D6 is connected with the switching tube drain electrode.Transition diode D5 absorbs the crest voltage that oppositely surpasses threshold value that produces when pulse generator 204 turn-offs, and plays clamping action.When present embodiment is 220V when line voltage, the preferred 1.5KE250A type of transition diode D5, operating current 4.2A, limiting voltage 237--263V.Rectification circuit 202 is to be connected by bridge rectifier by diode D1, D2, D3 and D4.Filter capacitor C3 is in parallel with rectification circuit 202 dc output ends.
The input 1 foot ground connection of optocoupler IC2, optocoupler IC2 input 2 feet are connected with the secondary coil different name end b2 of pulse transformer 205, optocoupler IC2 outfan 3 feet are feeder ears, connect the negative pole of diode D7, and its anodal low-voltage winding that is provided with pulse transformer 205 is connected.4 feet of optocoupler IC2 are outfans.Sample resistance R2 is connected in parallel on the input of optocoupler IC2.Flowing through on the sample resistance R2 is the operating current that pulse transformer 205 is delivered to plasma reactor 1, after making electricity and isolate by optocoupler IC2 opto-electronic conversion, error amplifier and PWM comparators that the operating current sampling of plasma reactor 1 is delivered in the pulse generator 204 are handled.When plasma reactor 1 work, be damaged, wear out, the abnormality signal code during short circuit is through handling, the output pulse width of PWM comparator is zero, switching tube is closed, and realizes protecting automatically.Equally, when the operating current of plasma reactor 1 changes because of the load size, the output pulse width of PWM comparator also changes, and gauge tap pipe ON time realizes adjusting automatically pulse power output.
Pulse generator and pulse transformer in the designed pulse power of this utility model are by the setting of inverse-excitation type inverter, obtain the high-frequency narrow-pulse drive current, can not occur sparking and so on fault in the plasma reactor work that is capacitive.Mandatory declaration be, pulse generator and pulse transformer are pressed the setting of inverse-excitation type inverter, and it also makes the plasma reactor and the mains isolation that are attached thereto except finishing the task of boosting, the directly safety ground of the negative electrode of reactor and shell, capability of electromagnetic shielding is better.
Obtaining beyond thought beneficial effect simultaneously is: the pulse current of inverse-excitation type inverter output is that pulse generator makes the magnetic energy abrupt release that is stored in the elementary winding of pulse transformer when turn-offing, and obtains output 18KV
P-P, operating frequency 40KH
Z, pulse width 4 μ S, the burst pulse high-voltage corona discharge electric current of rise time 70nS; Be when the plasma reactor accidental short circuit again; because the buffer action of inverse-excitation type pulse transformer; be the secondary ability conducting output of pulse generator pulse transformator when closing; thereby the semiconductor switch plumber of pulse power work is safe; holding circuit is only done auxiliary using; reliability height, switching tube can be selected the common power transistor of withstand voltage 600V for use.
Fig. 7 is this utility model pulse transformer output electrion current waveform figure.This discharge current waveform is to record on the sample resistance device R2 of external plasma reactor 1 earth terminal of the outfan of pulse transformer 205.Digital oscilloscope shows and shows: pulse duty factor is 16%, and pulse width is 3uS, and be 70nS pulse rise time.Pulse transformer output electrion current waveform high conformity of the present invention, the corona discharge of plasma reactor is stable.
This utility model pulse power 2 operation principles:
Civil power is by rectification circuit 202 bridge rectifiers, and filter capacitor C3 filtering is for pulse generator 204 inversions.When the switching tube in the pulse generator 204 is encouraged by pwm pulse and during conducting, secondary high pressure fast recovery diode 217 is because of oppositely ending; Rectification circuit 202 VDs are applied to the two ends of pulse transformer 205 primary coils, this moment, primary coil 214 was equivalent to a pure inductance, flow through linear rising of electric current of primary coil 214, power supply energy is stored in the inductance of primary coil 214 with the magnetic energy form; When switching tube ends, because inductive current can not suddenly change, 214 both end voltage polarity moments of primary coil are reverse, polarity of voltage on the secondary coil 215 is put upside down and is made high pressure fast recovery diode 217 forward conductions, primary coil 214 energy stored are sent to secondary coil 215 and boost, produce the high voltage narrow pulse electric current, offer external plasma reactor and make corona discharge.
Embodiment 3:
Fig. 2, shown in Figure 3, when the sterilizing and purifying space big, prevention micro discharge conductor rail 103 quantity that plasma reactor is provided with surpass 5, and the two ends of described prevention micro discharge conductor rail 103 are fixing with four anelectrode metal racks 104 that quadrature is arranged on around the reactor again, and make electric connection; The upper/lower terminal of every anelectrode metal rack 104 is established an insulation junctional complex 105 and is fixed with shell of reactor 108 corresponding installing holes, and shell of reactor 108 is provided with insulation junctional complex gim peg 106, and is closely fixing insulation junctional complex 105.Design reduces insulation junctional complex 105 consumptions, compact conformation like this.Designed anelectrode metal rack 104 diameters of the present invention are 4.0mm, anelectrode metal rack 104 outer rims are provided with the prevention micro discharge conductor rail ring for fixing 107 of diameter of bore 4.1mm, equally spaced adjacent prevention micro discharge conductor rail 103, the length of ring for fixing is set by the requirement that reduces the mutual shielding action of same polarity electromagnetic field.This routine conductor rail ring for fixing 107 is designed to 18--25mm.
Embodiment 4:
Agitator, error amplifier, PWM comparator in the pulse generator 204 described in the utility model can be to make a module, and switching tube is optional external with power field-effect semiconductor pipe or IGBT.Agitator, error amplifier, PWM comparator are that the commercially available integrated circuit combination of monolithic is made.Also can select for use Switching Power Supply control IC 1 to comprise that UC3842, SG6848D make.Agitator, error amplifier and PWM comparator and switching tube share a monolithic integrated optical circuit, can select for use three-terminal switch power supply IC1 to comprise that TOP225 or TOP224 make, also can be to comprise that with the better monolithic five terminal of performance Switching Power Supply IC1 MC33374 makes, functional similarity, cost are slightly high.The model that is provided with optocoupler IC 2 in the current detection circuit 206 described in the utility model is PC817 or P721.
Catalytic purification principle in this utility model plasma reactor is: based on high energy electron and gas molecule collision reaction.Its catalytic purification mechanism comprises two steps: the one, and in the process that produces plasma, high-frequency discharge produces the moment high-energy, opens the chemical bond of some harmful gas molecule, makes it resolve into simple substance atom or harmless molecule.The 2nd, the free radical that comprises a large amount of high energy electrons, ion, excited state particle in the plasma and have strong oxidizing property, the average energy of these active particles is higher than the bond energy of gas molecule, frequent collision takes place in they and harmful gas molecule, open the chemical bond of gas molecule, also can produce a large amount of OH, HO simultaneously
2, free radical and the extremely strong O of oxidisability such as O
3, they and harmful gas molecule generation chemical reaction generate harmless product.The oxidizing potential of living radical OH (2.8eV) also exceeds 35% than the oxidizing potential (2.07eV) of ozone, and OH free radical and organic response speed exceed several magnitude.It is as follows that the present invention is oxidized to carbon dioxide and water or mineral Analysis on action mechanism with the harmful substance in the contaminated air:
H
2S+·OH→HS+H
2O
HS+O
2+·OH+·O→SO
3+H
2O
NH
3+·OH→NH
2+H
2O
NH
2+O
2+·O→NO
2+H
2O
Actual measurement shows, the most of nuisance mass-energy in the contaminated air between very short in oxidized decomposition, degradation rate is more than 95%.
Generally speaking, organic degraded is the plasma chemical reaction process of a complexity under the corona discharge effect of the present utility model, because the time compole that free radical exists is short, response speed is also quite fast, determine specifically that some courses of reaction are very difficult.Though the research of existing a large amount of low-temperature plasma degradation pollutant mechanism does not at present also form the theoretical system that can instruct practice, thereby further investigation low-temperature plasma degradation mechanism of pollutants is one of applied research direction.
The particulate pollutant cleaning principle is in this utility model air: utilize the plasma reactor anelectrode to make corona discharge under the driving of high-voltage pulse power source, produce low temperature plasma, a large amount of electronics that wherein comprise and negative ions are under the effect of electric-force gradient, with airborne microgranule generation inelastic collision, thereby, make it to become charged particle attached to top.Under the effect of extra electric field power, charged particle finally is deposited on the reactor negative electrode plate to the migration of reactor negative electrode plate.Its processing procedure is divided into three phases:
1. e+M (gas molecule) → M
-
2. M
-+ PM (microgranule) → (PMM);
3. (PMM)
-→ PMM (being deposited on the negative electrode plate).
Electrostatic precipitation is a physical process, in this process, to being suspended in diameter in the air less than the total suspended particles (TSP) of 100 μ m and diameter the sucked granule (PM less than 10 μ m
10) produce to remove effect and reach more than 95%.
This utility model is added titanium dioxide (TiO
2) photocatalysis under the ultraviolet light effect that plasma reactor self sends, the energy excitation TiO of light source
2Gas molecule on every side produces active extremely strong free radical.The extremely strong free radical of these oxidabilities almost can decompose most organic matter and part inorganic substances, reaches sterilization, the effect that deodorization, air cleaning double.The characteristics of plasma of the invention that Here it is and titanium dioxide optimum organization.
Low temperature plasma and optically catalytic TiO 2 technology are as the novel air purification techniques that occurs in recent years, and they are the efficient kill bacteria of energy all, degraded VOC VOC
S, also can suppress the air borne approach of influenza A H1N1.Especially low temperature plasma air sterilization purifier includes electrostatic field, and it is little of 0.01 μ m particulate matter to adsorb particle diameter.
This utility model scope of application is that the air in the automobile is made dynamically sterilization, especially car.The air disinfection and purification that also can be used for subway, light rail compartment.Cooperate air-conditioner, it is wider to be used for office, house etc.
Description discloses the inventor from a large amount of theoretical researches, the true and preferred forms of the present utility model of design and test, but practice of the present utility model is not limited thereto.Description has been done to further specify to this utility model with reference to the embodiment of accompanying drawing, and is not to be to qualification of the present utility model.Obviously, those skilled in the art lays TiO by prevention micro discharge technology, negative electrode plate in the designed plasma reactor of the invention of above-mentioned announcement in technical concept scope of the present utility model
2And the disclosed content of the pulse power is made the variety of way simple deformation that comprises material or is equal to alternative, carry out various interpolations, modification or replacement and do not depart from basic utility model design scope, can't depart from spirit of the present utility model or surmount the scope of claims definition.
Claims (6)
1. plasma air disinfection purifier for automobile, comprise plasma reactor (1), the pulse power (2), fan assembly (3), air inlet (5), air outlet (6) and shell (8), air inlet (5) is provided with air inlet air filter (9), air outlet (6) is provided with air outlet air filter (10), and plasma reactor (1) and fan assembly (3) are arranged among the air-flow; Fan assembly (3) frame is provided with fan assembly support (16), is fixed on the shell (8) with support hold-down screw (17); The pulse power (2) is established power connector (7) with the electrical input of fan assembly (3) and is connected with automobile storage battery; It is characterized in that being provided with in the described plasma reactor (1) some nickel chromium triangle tinsels or nickel chromium triangle metal tape in same plane by the equidistant anelectrode (101) that is arranged in parallel and makes, anelectrode (101) places adjacent two negative electrodes (102) middle part; The two ends of anelectrode (101) are to be fixed on to stop micro discharge conductor rail (103) to be gone up in corresponding groove or the protuberance, and stoping micro discharge conductor rail (103) is to be made by aluminium bar or stainless steel strip, and makes electric connection; The two ends of prevention micro discharge conductor rail (103) are provided with insulant and are fixed on shell (8) relevant position; The upper/lower terminal of described negative electrode (102) is directly to be fixed on the metal shell of reactor (108), and makes electric connection; Negative electrode (102) is that the aluminium sheet of surface oxidation treatment is made, and nanoscale TiO is laid on the two sides of negative electrode (102)
2
2. plasma air disinfection purifier for automobile according to claim 1, it is characterized in that being provided with in the described pulse power (2) EMC wave filter (201), rectification circuit (202), filter circuit (203), pulse generator (204), pulse transformer (205) successively preface be electrically connected, positive and negative two outfans of pulse transformer (205) connect plasma reactor (1) corresponding anelectrode (101), negative electrode (102) through high-voltage conducting wires (11); Switching tube in pulse transformer (205) and the pulse generator (204) is the setting of single-ended flyback inverter.
3. plasma air disinfection purifier for automobile according to claim 1, the two ends that it is characterized in that described prevention micro discharge conductor rail (103) are fixing with four anelectrode metal racks (104) that quadrature is arranged on around the reactor again, and make electric connection; The upper/lower terminal of every anelectrode metal rack (104) is established an insulation junctional complex (105) and is fixed with the corresponding installing hole of shell of reactor (108); Described nanoscale TiO
2It is the Detitanium-ore-type catalyst of band-gap energy 3.2eV.
4. plasma air disinfection purifier for automobile according to claim 1, the nickel chromium triangle wire diameter optimum that it is characterized in that described anelectrode (101) is 0.15---0.20mm, or nickel chromium triangle metal tape optimum width is 1.0---2mm, thickness are 0.06---0.15mm.
5. plasma air disinfection purifier for automobile according to claim 1 and 2, it is characterized in that described pulse transformer (205) is provided with a multiple-grooved insulated coil skeleton (212), secondary coil (215) is that three sections to five sections of branches are wound in the corresponding groove of multiple-grooved insulated coil skeleton (212) and are in series; Establish a high pressure fast recovery diode (217) between every section coil, the positive pole of high pressure fast recovery diode (217) is connected on the end of electronegative potential line bag, and the negative pole of high pressure fast recovery diode (217) is connected on the initiating terminal of high potential line bag; Be provided with magnetic core (216) in the endoporus of described primary coil (214) and secondary coil (215) and make electromagnetic coupled, be provided with magnetic air gap (218) in the magnetic loop of magnetic core (216); Described magnetic core (216) optimal design iron-base ultramicro-crystal iron core also can be provided with ferrite core.
6. plasma air disinfection purifier for automobile according to claim 1 and 2, it is characterized in that agitator, error amplifier and PWM comparator in the described pulse generator (204) can be to make a module, also can select for use Switching Power Supply control IC 1 to comprise that UC3842, SG6848D make; Or digital control circuit (204) and pulse generator (205) share a monolithic integrated optical circuit, and three-terminal switch power supply IC1 comprises that TOP225 or TOP224 make, and also can be to comprise that with the better monolithic five terminal of performance Switching Power Supply IC1 MC33374 makes; The model that is provided with optocoupler IC2 in the described current detection circuit (206) is PC817 or P721.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202159657U CN201586247U (en) | 2009-12-31 | 2009-12-31 | Plasma air disinfection purifier for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202159657U CN201586247U (en) | 2009-12-31 | 2009-12-31 | Plasma air disinfection purifier for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201586247U true CN201586247U (en) | 2010-09-22 |
Family
ID=42746012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202159657U Expired - Lifetime CN201586247U (en) | 2009-12-31 | 2009-12-31 | Plasma air disinfection purifier for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201586247U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920035A (en) * | 2009-12-31 | 2010-12-22 | 周云正 | Plasma air disinfection purifier for automobile |
| CN108380011A (en) * | 2018-03-09 | 2018-08-10 | 安徽江淮汽车集团股份有限公司 | A kind of air cleaning unit and automobile |
| WO2021174679A1 (en) * | 2020-03-03 | 2021-09-10 | 新石器慧通（北京）科技有限公司 | Unmanned vehicle and air purification method |
-
2009
- 2009-12-31 CN CN2009202159657U patent/CN201586247U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920035A (en) * | 2009-12-31 | 2010-12-22 | 周云正 | Plasma air disinfection purifier for automobile |
| CN101920035B (en) * | 2009-12-31 | 2013-04-17 | 周云正 | Plasma air disinfection purifier for automobile |
| CN108380011A (en) * | 2018-03-09 | 2018-08-10 | 安徽江淮汽车集团股份有限公司 | A kind of air cleaning unit and automobile |
| WO2021174679A1 (en) * | 2020-03-03 | 2021-09-10 | 新石器慧通（北京）科技有限公司 | Unmanned vehicle and air purification method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI TIANYUN ENVIRONMENTAL PROTECTION TECHNOLO Free format text: FORMER OWNER: ZHOU YUNZHENG Effective date: 20110131 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 312300 NO.296, RENMIN MIDDLE ROAD, BAIGUAN SUBDISTRICT, SHANGYU CITY, ZHEJIANG PROVINCE TO: 200436 ROOM 901, INTERNATIONAL PENINSULA CENTER, JIANGCHANG ROAD 3, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110131 Address after: 200436 901, international Peninsula center, three road, Shanghai Patentee after: Shanghai Tianyun Environmental Protection Technology Co., Ltd. Address before: Baiguan street 312300 Renmin Road Zhejiang city of Shangyu Province, No. 296 Patentee before: Zhou Yunzheng |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100922 Effective date of abandoning: 20091231 |
|
| RGAV | Abandon patent right to avoid regrant |