CN2141526Y - High-effect negative ion generator - Google Patents

Abstract

The utility model discloses a high-effect negative ion generator, which makes the air ionize and generate negative ions for purifying the air. The utility model is characterized in that a casing panel positioned on the relevant position of the discharging needle is provided with a through hole of which the diameter is larger than that of the discharging needle to form into an electrode open structure; an oscillator inside a high voltage generating circuit can be improved correspondingly, and a multi-level voltage doubling forming circuit is adopted for obtaining higher discharge voltage; a power automatic polarity reverser is adopted for making the AC/DC and the power with different polarities use during the access. The utility model can generate the negative ions with the high concentration and does not generate the ozone nearly, and the utility model can be suitable to vehicles, living rooms, and hospital rooms.

Description

High-effect negative ion generator

The utility model relates to high voltage electric field and separates, and is that a kind of ionized air produces the anion generator of anion to purify air.

As everyone knows, when containing a certain amount of anion in the air, can not only make with fresh air, make the people that comfort, clearheaded be arranged, and studies show that, when containing ten thousand anions of 10-100 in one cubic centimetre, effect with disease preventing and treating, in addition, airborne anion can be combined into neutral ion and sedimentation with showy aerial dust, bacterial virus, smog, so after using anion generator air is had catharsis.The effect of anion is familiar with by numerous people gradually in the air, so anion generator also is subjected to people's popular welcome.The applicant has applied for that to Patent Office of the People's Republic of China a number of patent application is " Vehicular air anion generator " patent of 92215610.7 on May 26th, 92, its main feature is that high-pressure generating circuit and spray point are housed in shell, the shell side faceplate panels is provided with guard, is provided with the conductor of a circle ground connection around the guard inner face; Aspect circuit, damage generator, the special polarity reversing switch that the protection diode is housed that adopts for preventing from when power supply is imported to take under the wrong situation because of polarity; Oscillator in the high-pressure generating circuit is a kind of sinusoidal wave higher-order of oscillation practical circuit that can produce 40-50KC, and it then is an a kind of practical circuit that can form the 6KV negative direct current high voltage of being made up of high-tension coil, high-voltage diode and high-voltage charging capacitance component that negative direct current high voltage forms circuit.This Vehicular air anion generator, circuit is simple, compact conformation, power consumption is less, and the anion of higher concentration can take place.But a circle earth conductor that is provided with on the side panel guard of this anion generator and negative discharge pin have constituted an ambipolar discharge field, utilize to improve and concentrate electric field to improve negative ion concentration, so, can reach 2 * 10 from panel 20 centimeters negative ion concentrations ⁶Individual/cubic centimetre.But this structure will improve negative ion concentration (as reaching with the method that improves negative voltage) again, can make the corresponding quickly increase of ozone content, and anion and ozone produce restriction mutually, and this is that this structure is unsurmountable; This vibration circuit adopts high frequency (50KC) once to boost, voltage-doubler rectification forms negative high voltage, strict to making the oscillation transformer processing technology, to boost capacitor, rectifying tube and printed panel require high, more because of the step-up coil number of turns in addition, make oscillation transformer volume (3.8 * 3.8 * 2.5=36 cubic centimetre) also bigger, it is 0.84 watt that this oscillating circuit is surveyed real power consumption.Secondly, though polarity reversing switch can adapt to the vehicle of positive bonding or negative bonding, it uses also inconvenient, needs Artificial Control.

The purpose of this utility model provides a kind of improved efficient anion generator, make in reduction ozone content, minimizing power consumption, raising reliability, security and tissue production and implement easily, be user-friendly under the prerequisite, improve negative ion concentration largely, thereby increase operating distance is raised the efficiency.

For achieving the above object, the utility model is designed to Open architecture to the electrion field, and improves the structure of oscillating circuit in the high-pressure generating circuit and adopt the negative high voltage of multistage multiplication of voltage to form circuit, to obtain higher discharge voltage.Concrete scheme is, on the shell side faceplate panels, have the through hole of diameter than big tens of times of spray point diameter with the spray point corresponding position, spray point also wears wherein, form an open discharge field, then spray point is a negative pole high-voltage field, positive pole is the outer place of casing, people in spray point and the space, form an electrostatic field between thing, anion flows to the space diffusion, and at same static negative high voltage after the match, the anion circulation distance that Open architecture forms is greater than ambipolar, discharge this structural change has been arranged, improve discharge voltage again, thereby improve negative ion concentration, and do not increase ozone.In the utility model, high-frequency generator is made up of oscillation transformer B1, transistor BG, direct current biasing resistance R 3 and dividing potential drop capacitor C 3, C4 element; B1 is made of high frequency ferrite and L1, L2 two coils, the base stage of BG is connected on the point of contact of the dividing potential drop capacitor C 3 that is series connection, C4, and is connecting R3, and the other end of C3 is connected in series with step-up coil L2, the other end of C4 is connected on the emitter stage of BG, and the colelctor electrode of BG is connected in series with primary coil L1; The node E of step-up coil L2 and dividing potential drop capacitor C 1 is the output point of oscillating voltage, and oscillator frequency is by the series value of C3 and C4 and the induction reactance decision of L2.For reaching the required high pressure of the utility model negative ion concentration target, adopt multistage voltage-multiplying circuit in the utility model circuit.

Power of alterating and direct current is dual-purpose can both to be used when the power supply opposed polarity inserts with adapting in order to reach, the utility model adopts the auto polarity commutator, this commutator is made up of supply socket CK, four diode D1, D2, D3, D4, four diode electrically bridge-types connect, 2 brachium pontis A points are connected with supply socket CK with the B point, C is an output point in two brachium pontis in addition, and the D point is an earth point.Be positive pole, B point when import powering for negative pole, D2, D3 conducting when use dc source, A point then, D1, D4 end, the C point obtains positive potential, the D point obtains negative potential, sets up required power supply polarity, as the input electric power polarity when opposite, the A point becomes negative pole, the B point is anodal power supply, at this moment D1, D4 conducting, D2, D3 end, and the C point still obtains positive potential, the D place is a negative potential, reaches the purpose of automatic conversioning power polarity; When adopting low-voltage alternating current power supply, the A end is positive half cycle, and the B end is the negative half period input, D1, D4 end, D3, D2 conducting, and C sets up positive potential in the place, D sets up negative potential in the place, when the alternating source instantaneous variation, the A end is positive half cycle input for negative half period, B end, and then D3, D2 end, D1, D4 conducting, still set up positive potential at C point place, D point place sets up negative potential, finishes the required electric power polarity requirement of circuit.In the utility model, also can one group of π type RC wave filter that is made of capacitor C 1, C2 and resistance R 1 be set in polarity automatic commutator output, its effect is, when using AC power, play level and smooth AC ripple effect, wherein R1 is again that input power supply overvoltage protection resistance and line under-voltage promote resistance, when input voltage raises, the electric current that then flows through R1 increases, and causes R1 to go up the two ends pressure drop and also increases thereupon, plays the effect of protection back level device; When appearance is under-voltage, to flow through the R1 electric current and reduce, the pressure drop of the last two ends of R1 descends, and plays the effect of booster tension.

Aforesaid housing face-plate, make spray point and the extraneous through hole that communicates because of having on it, the negative aeroion that ionization goes out when needle point discharges is that increasing section flows to place diffusion formation anion along power line, and the through hole side of the utility model on the anion generator panel is provided with one and encloses the metallic conductor that triggers the corona effect of extending.In addition, much bigger than the spray point sectional area because of via area, the numb electrical phenomena that can produce when preventing that hand from touching spray point connects a protection against electric shock resistance at the spray point input end.

The utility model has the advantages that, the 8KV negative voltage can take place in the higher-order of oscillation and multistage voltage-multiplying circuit that the high-frequency generator in the circuit can produce 20KC, particularly the discharge Open architecture, the negative ion concentration height that spray point is produced when electrion, operating distance is far away, and, produce ozone hardly.The utility model model machine records negative ion concentration up to 1,000 ten thousand/cubic centimetre at 200 millimeters places of distance generator after tested, at 50 millimeters places of distance generator, records ozone content less than 3PPM.This is far below the ozone content standard of the World Health Organization to stipulating in the environmental quality standards.Because this vibration circuit has been done improvement, used oscillation transformer volume reduces iron loss much smaller than ambipolar, and Overall Power Consumption drops to 0.21 watt.Simultaneously, frequency of oscillation is low, and vibration output voltage moderate (required high pressure adopts multistage multiplication of voltage to obtain) makes the making of oscillation transformer also simple thereupon, is difficult for puncture, arcing during moisture test, has improved reliability; Adopt multistage multiplication of voltage mode, high voltage is distributed on each grade electric capacity and the diode, and selection of components is easy, and product safety is reliable.Electric power polarity automatic commutator among the design makes the utility model both can use dc source, battery, also can use low-voltage alternating current power supply, has made things convenient for the user.This efficient anion generator also just can be made into portable type or stationary structure.

Below in conjunction with the accompanying drawing illustrated embodiment the utility model is described specifically.

Description of drawings:

Fig. 1 is a forward cutaway view of the present utility model.

Fig. 2 is the side direction view of Fig. 1.

Fig. 3 is an outside drawing of the present utility model.

Fig. 4 is a circuit structure diagram of the present utility model.

See that by Fig. 1, Fig. 2,3 present embodiment comprises shell 4, the circuit board 5 and the spray point 3 of electronic component are housed.Shell 4 is covered by upper and lower shell and forms, and the lower casing lower curtate is a globe joint 6, and seated connection is in the arc groove of base 7, and then shell 4 can be done 360 degree rotation and pitching activities with respect to base 7.The front end of shell 4 is equipped with panel 1, has three through holes 2 on this panel, fixing in the circuit board and three spray points 3 that link to each other with negative pole stretch the center of putting respectively at through hole 2.Circuit board 5 is fixed in the shell 4.

See that by circuit structure diagram of the present utility model shown in Figure 4 this circuit is made up of electric power polarity automatic commutator 8, pi type filter 9, indicator lamp 10, high-frequency generator 11 and high pressure voltage-multiplying circuit 12, by 12V direct current or Alternating Current Power Supply.Electric power polarity automatic commutator 8 is made of supply socket CK, diode D1, D2, D3, D4, four diodes are bridge type and connect, D1, D2 positive pole connect into a grounding arm D, D3, D4 negative pole connect into an output arm C, the D1 negative pole is connected and is connected with the utmost point of supply socket CK at the A point with the D3 positive pole, and the negative pole of D2 is connected and is connected with another utmost point of supply socket at the B point with the positive pole of D4.Pi type filter 9 is made up of capacitor C 1, C2 and R1, two capacitor C 1, C2 parallel connection, and positive terminal inserts the output of power supply automatic commutator 8, and is connected in series a resistance R 1 between this two electric capacity, the negative pole end ground connection of C1, C2.D5 is the LED light emitting diode among the figure, makes power supply indication usefulness, and Chuan Lian R2 is the current limliting setting resistance of D5 with it.

High-frequency generator 11 is made up of R1, B1, C3, C4 and BG element, and E is the oscillating voltage output point, the oscillation transformer that B1 is made up of high frequency ferrite and two groups of coils of L1, L2.The condition of setting up vibration is: L1 and L2 are necessary for positive feedback, constitute rational feedback, do dividing potential drop with electric capacity, its intrinsic standoff ratio be C3 than C3+C4, oscillator frequency is determined by the series value of C3 and the C4 induction reactance with L2.In order to obtain high oscillating voltage, L2 makes step-up coil, R3 is the direct current biasing resistance of BG, the resistance of R3 is relevant with frequency of oscillation stability, the oscillator of this structure can make volume of transformer dwindle (1.3 * 1.3 * 1.4=2.33 cubic centimetre) greatly, has only ambipolar with 1/15 of oscillation transformer.The magnitude of voltage of high-frequency oscillating circuits E point output, through half-wave or bridge rectifier and the voltage that obtains, the not enough anion stream that forms, in the utility model, adopt voltage doubling rectifing circuit more than 6 grades, form by C5, C6, C7, C8, C9, Cn and D6, D7, D8, D9, D10, Dn, make at spray point 3 needle point places and form the 8KV negative direct current high voltage,, form the anion air-flow the people in the space, deposits yields corona discharge.R4 is a protection against electric shock resistance among the figure.

Claims (4)

1, a kind of efficient anion generator that comprises shell, high-pressure generating circuit and spray point contains power switch, high-frequency generator, dc voltage circuit in the high-pressure generating circuit, it is characterized in that:

(1) have the diameter through hole 2 bigger tens of times than spray point with spray point 3 corresponding positions on shell 4 side panel 1, spray point 3 wears wherein;

(2) high-frequency generator in the high-pressure generating circuit 11 is made up of R3, B1, C3, C4 and transistor BG, the oscillation transformer of B1 for constituting by high frequency ferrite and two groups of coils of L1, L2, the base stage of BG is connected on the point of contact of dividing potential drop capacitor C 3, C4 of series connection and is connected with direct current biasing resistance R 3, the other end of C1 is connected with the L2 coil, the other end of C4 is connected with the emitter stage of BG, and the colelctor electrode of BG is connected with the L1 coil.

2,, it is characterized in that said power switch is a kind of electric power polarity automatic commutator 8, is made up of supply socket CK, diode D1, D2, D3, D4 element according to the described efficient anion generator of claim 1; Four diodes constitute bridge type and connect, and 2 brachium pontis A points are connected with supply socket CK with the B point, and the C point is an output point in two brachium pontis in addition, and the D point is an earth point.

3, according to the described efficient anion generator of claim 2, it is characterized in that being provided with one group of π type RC wave filter 9 that constitutes by capacitor C 1, C2 and resistance R 1 at the output of electric power polarity automatic commutator 8, C1, C2 are associated on the output circuit of polarity automatic commutator 9, and at the positive interpolar series resistor R1 of C1, C2.

4,, it is characterized in that spray point 3 inputs are connected to the resistance R 4 of a protection against electric shock according to claim 1 or 2 described efficient anion generators.

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