CN204006338U

CN204006338U - Negative ion air-cleaner

Info

Publication number: CN204006338U
Application number: CN201420404887.6U
Authority: CN
Inventors: 储震; 田芝亮
Original assignee: NANJING TIANMAI HEALTH MANAGEMENT Co Ltd
Current assignee: Nanjing Tianmai Health Technology Development Co. Ltd.
Priority date: 2014-07-22
Filing date: 2014-07-22
Publication date: 2014-12-10
Anticipated expiration: 2024-07-22

Abstract

The utility model discloses a kind of negative ion air-cleaner, comprise housing, screen pack, anion generator, air supply motor and control circuit, screen pack is located at the air inlet of housing, the anion that anion generator produces drives through air supply motor, air outlet by housing is diffused into space, control circuit comprises microprocessor, the PA6 of microprocessor, PA7 pin is that air supply motor drives signaling interface, PA5 pin is that anion generator drives signaling interface, PF0, PF1 pin is air mass sensor interface, PA9, PA10 pin is data storage interface, PB1 pin is control signal input interface, described screen pack is dual composite filter net, the utility model adopts 12V low voltage control mode, and mobile or stationary applica-tions is used safety in automobile, office or family etc., adopts to receive sub-fullerene negative ion release, when producing high-purity anion, reduces or avoids producing ozone, the anion producing, under the promotion of direct current generator, is evenly diffused rapidly to space.

Description

Negative ion air-cleaner

Technical field

The utility model discloses a kind of negative ion air-cleaner.

Background technology

Negative ion air-cleaner be a kind of utilize the anion that self produces to air purify, the environment optimization electrical equipment of dedusting, taste removal, sterilizing, its Core Feature is generating negative ion, utilizes the dedusting depositing dust that anion itself has, the characteristic of sterilizing removing toxic substances to be optimized room air.The difference of itself and traditional air cleaner is to using anion as acting factor, make an initiative sally and catch airborne harmful substance, and traditional air cleaner is blower fan exhausting, utilize strainer filtering dust to purify air, the cleaning principle that is called passive adsorption filtering type, need to regularly replace filter screen, negative ion air-cleaner is without consumptive material negative ion air-cleaner.Therefore, negative ion air-cleaner has very large competitiveness on air purifier market.

Existing negative ion air-cleaner generally adopts electrode release head structure, exist in actual use anion releasing density unevenness even, often supervene ozone while producing anion, these defects are that people are in the urgent need to overcoming.

Utility model content:

The purpose of this utility model is, the anion releasing density unevenness that exists for current negative ion air-cleaner is even, often supervene the problems such as ozone while producing anion, provides a kind of novel usining to receive sub-fullerene negative ion release as the negative ion air-cleaner that produces the source of anion.

The purpose of this utility model is achieved in that a kind of negative ion air-cleaner, comprise housing, screen pack, anion generator, air supply motor and control circuit, screen pack is located at the air inlet of housing, the anion that anion generator produces drives through air supply motor, air outlet by housing is diffused into space, it is characterized in that: control circuit comprises microprocessor, microprocessor adopts STM32F030F4 chip, operating voltage is 2.4V ~ 3.6V, the PA6 of microprocessor, PA7 pin is that air supply motor drives signaling interface, PA5 pin is that anion generator drives signaling interface, PF0, PF1 pin is air mass sensor interface, PA9, PA10 pin is data storage interface, PB1 pin is control signal input interface, described screen pack is dual composite filter net.

In the utility model: air mass sensor adopts TPM-300E, and operating voltage is DC5V, and sensitivity is 0.5 ppm; Anion generator adopts receives sub-fullerene negative ion release, and operating voltage is DC12V; The direct current generator of air supply motor for controlling by PWM, the operating voltage of direct current generator is DC12V; Data storage adopts electric erasable eeprom chip, and model is 24C02.

In the utility model: the PA0 of microprocessor, PA1, PA2 pin are air quality display driver circuit interface.

In the utility model: the working power of control circuit is the DC-DC power circuit building with FR9801, working power be input as DC12V, be output as DC5V.

The utility model has the advantage of:

Adopt 12V low voltage control mode, mobile or stationary applica-tions is used all safer in automobile, office or family etc.; Because anion generator adopts, receive sub-fullerene negative ion release, when producing and forming a large amount of high-purity anions, reduce or avoid producing ozone; The anion producing can evenly be diffused rapidly to space under can promoting in the constant wind speed of direct current generator; To guarantee that stable anion produces, and do not produce the phenomenons such as static.

Accompanying drawing explanation

Fig. 1 is the system control principle drawing of the utility model embodiment;

Fig. 2 is the function pin distribution schematic diagram of microprocessor;

Fig. 3 is the structural representation of dual composite filter net;

Fig. 4 is the electrical schematic diagram of DC-DC power circuit;

Fig. 5 is a kind of pwm control circuit of direct current generator and negative ion air-cleaner;

Fig. 6 is the electrical schematic diagram of display driver circuit.

The specific embodiment

Accompanying drawing discloses the structure of theory diagram of the present utility model and dual composite filter net and the electrical schematic diagram of partial circuit without limitation, below in conjunction with accompanying drawing, the utility model embodiment is further described.

The utility model comprises housing, screen pack, anion generator, air supply motor and control circuit, screen pack is located at the air inlet of housing, the anion that anion generator produces drives through air supply motor, air outlet by housing expands to space, described control circuit comprises microprocessor, as seen from Figure 1, microprocessor is provided with air supply motor and drives signaling interface, anion generator driving signaling interface, air mass sensor interface, data storage interface, DC-DC power circuit interface and control signal input interface.

As seen from Figure 2, microprocessor adopts STM32F030F4 chip, in the present embodiment: operating voltage is 2.4V ~ 3.6V, the PA6 of microprocessor, PA7 pin are that air supply motor drives signaling interface, PA5 pin is that anion generator drives signaling interface, PF0, PF1 pin are air mass sensor interface, and PA9, PA10 pin are data storage interface, and PB1 pin is control signal input interface; PA0, PA1, PA2 are as the interface of air quality display driver circuit, and microprocessor adopts STM32F030F4 chip by DC-DC power circuit interface, to obtain the operating voltage of 3.3V.

Screen pack is located at the air inlet of negative ion air-cleaner, as seen from Figure 3, screen pack is dual composite filter net, in figure, A is ground floor HEPA screen pack, B is that the second layer removes formaldehyde screen pack, when machine moves, first through HEPA screen pack to air in more than 0.3 micron dust and the particulate of diameter filter, remove the microparticles such as airborne bacterium, dust, smog, again through removing formaldehyde screen pack, can efficiently remove the pernicious gases such as benzene, ammonia, TOVC, thereby reach, purify air, the double effects of sterilization.

As seen from Figure 4, the working power of DC-DC power circuit control circuit is the DC-DC power circuit building with FR9801, working power be input as DC12V, be output as DC5V, its operation principle is: by input, obtain DC12V voltage, the oscillator signal of the inner 620KHz of generation of FR9801 left and right promotes inductance output, the FB pin that adopts precision resistance R8R9 dividing potential drop to feed back to FR9801 is controlled in voltage stabilizing, to guarantee the stable of output, finally by 4.7uH inductance and 100uF electric capacity, export DC5V voltage with internal standard voltage ratio.

As seen from Figure 5, direct current generator and the pwm control circuit of sub-fullerene negative ion release received are the pwm signal AnionTwo that work: CPU produces like this, circuit is worked by PS2501-1 photoelectric coupler isolation driven MOS pipe, then is rotated by metal-oxide-semiconductor promotion direct current generator.Due to what adopt, be PWM control mode, direct current generator and the operating efficiency of sub-fullerene negative ion release received are all very high, completely for saturated or cut-off state.

During concrete enforcement, anion generator adopts receives sub-fullerene negative ion release, and operating voltage is DC12V; The direct current generator of air supply motor for controlling by PWM, the operating voltage of direct current generator is DC12V; Data storage adopts electric erasable eeprom chip, and model is 24C02.

During concrete enforcement, the PA0 of microprocessor, PA1, PA2 are as the interface of air quality display driver circuit, as seen from Figure 6, its course of work is: by display driver circuit, obtain the different signals of telecommunication: when air quality is outstanding, microprocessor output LED10 signal, RGBLED is shown as blueness; When air quality is good, microprocessor output LED12 signal, RGBLED is shown in green; When air quality slight pollution, microprocessor is exported LED12 and LED11 signal simultaneously, and RGBLED is shown as yellow; When air quality severe contamination, microprocessor output LED11 signal, RGBLED is shown in red.

Claims

1. a negative ion air-cleaner, comprise housing, screen pack, anion generator, air supply motor and control circuit, screen pack is located at the air inlet of housing, the anion that anion generator produces drives through air supply motor, air outlet by housing is diffused into space, it is characterized in that: control circuit comprises microprocessor, microprocessor adopts STM32F030F4 chip, operating voltage is 2.4V ~ 3.6V, the PA6 of microprocessor, PA7 pin is that air supply motor drives signaling interface, PA5 pin is that anion generator drives signaling interface, PF0, PF1 pin is air mass sensor interface, PA9, PA10 pin is data storage interface, PB1 pin is control signal input interface, described screen pack is dual composite filter net.

2. negative ion air-cleaner according to claim 1, is characterized in that: air mass sensor adopts TPM-300E, and operating voltage is DC5V, and sensitivity is 0.5 ppm; Anion generator adopts receives sub-fullerene negative ion release, and operating voltage is DC12V; The direct current generator of air supply motor for controlling by PWM, the operating voltage of direct current generator is DC12V; Data storage adopts electric erasable eeprom chip, and model is 24C02.

3. negative ion air-cleaner according to claim 1, is characterized in that: the PA0 of microprocessor, PA1, PA2 pin are air quality display driver circuit interface.

4. according to the negative ion air-cleaner one of claim 1-3 Suo Shu, it is characterized in that: the working power of control circuit is the DC-DC power circuit building with FR9801, working power be input as DC12V, be output as DC5V.