CN104776513A - Internal and external air purifier with automatic filter core replacement prompting function - Google Patents
Internal and external air purifier with automatic filter core replacement prompting function Download PDFInfo
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- CN104776513A CN104776513A CN201510203311.2A CN201510203311A CN104776513A CN 104776513 A CN104776513 A CN 104776513A CN 201510203311 A CN201510203311 A CN 201510203311A CN 104776513 A CN104776513 A CN 104776513A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
Abstract
The invention discloses an internal and external air purifier with an automatic filter core replacement prompting function. Outdoor air is connected with an outdoor air inlet cavity through a first fan, the outdoor air inlet cavity and an indoor air inlet cavity are connected through a first electromagnetic valve, indoor air is connected with the indoor air inlet cavity through a second fan, the outdoor air inlet cavity is connected with the filter core through a second electromagnetic valve, the indoor air inlet cavity is directly connected with the filter core, an outlet of the filter core is connected with an air outlet cavity through a heating device, an air pressure sensor is arranged on the inner wall of a case, a dust sensor is arranged in the indoor air inlet cavity, a photoelectric sensor is arranged on the filter core, and a control circuit is connected with the photoelectric sensor, the dust sensor and the air pressure sensor, the two fans, the two electromagnetic valves and the heating device. The internal and external air purifier has the advantages that two modes including an internal circulation mode and an external circulation mode and the function of automatically prompting the filter core replacement are realized, the functions of the air purifier are improved, the purification effect is improved in the method aspect, the problems of vitiated air exhaust incapability during window closing, air purification effect reduction during window opening and the like are solved, and convenience is brought for users.
Description
Technical field
The present invention relates to a kind of household electrical appliance, belong to air cleaning facility field, be specifically related to a kind of can the inner-outer circulation air purifier of automatic-prompting more renew cartridge.
Background technology
Along with the raising of expanding economy and people's living standard, environmental pollution also becomes a severe social concern.And take haze as the air pollution of representative, also more and more by people are paid close attention to.People take precautions against haze often through the seal improving building, but this only prevents the materials such as outdoor dust from entering indoor, but have ignored room air pollution.
People every day on average nearly more than 80% time spend in indoor, so the quality of IAQ is particularly important, air purifier common mostly on the market is the Inner eycle clarifier adopting screen pack now, can not ensure the fresh of air and circulation.If closedown window, then do not have oxygen to come in, the foul atmospheres such as indoor carbon dioxide cannot be discharged; If open window, then the effect of purification of air is made to have a greatly reduced quality.In addition, although filter screen can remove the particulate pollutant in air, if but can not clean or change the screen pack of long-pending full dust, particle in time, the clean-up effect of clarifier will be caused to decline, and the dust, mould etc. accumulated on filter screen also may cause secondary pollution to room air.
Summary of the invention
Based on the problems referred to above and the deficiencies in the prior art, the invention provides a kind of can the inner-outer circulation air purifier of automatic-prompting more renew cartridge, both having met can the air purifier demand of inner-outer circulation, indoor are made to have air that is fresh, circulation, improve clean-up effect, turn increase the function of automatic change prompting filter core, make user at more renew cartridge of appropriate time, secondary pollution can be avoided the formation of.
Technical scheme of the present invention:
The present invention includes shell built with the first blower fan, outdoor air-inlet cavity, the first magnetic valve, the second blower fan, the second magnetic valve, indoor air-inlet cavity, baroceptor, heater, filter core, control circuit and the power module for powering; Outdoor air enters outdoor air-inlet cavity through the first blower fan, and outdoor air-inlet cavity is connected by the first magnetic valve with indoor air-inlet cavity, and room air enters indoor air-inlet cavity through the second blower fan; Outdoor air-inlet cavity is connected with the entrance of filter core through the second magnetic valve, and indoor air-inlet cavity is directly connected with the entrance of filter core, and the outlet of filter core connects air-out chamber through heater; Baroceptor is contained on the inwall of shell, indoor air-inlet cavity is built with dust sensor, filter core is provided with photoelectric sensor, and control circuit is connected with photoelectric sensor, dust sensor, baroceptor, the first blower fan, the first magnetic valve, the second blower fan, the second magnetic valve and heater respectively.
Described control circuit comprises one-chip computer module and alarm module, dust sensor, photoelectric sensor are all connected one-chip computer module with baroceptor, and one-chip computer module is connected with the first blower fan, the second blower fan, the first magnetic valve, the second magnetic valve, heater and alarm module respectively.
Described one-chip computer module comprises chip U1, download port J3, photoelectric sensor interface P3, dust sensor interface P5 and baroceptor interface P7, 13 pin of chip U1 after resistance R3 with the crystal oscillator Y1 that connects between 12 pin, crystal oscillator Y1 two ends are through electric capacity C2, electric capacity C3 ground connection, 6 pin of chip U1, 21 pin and 22 pin series connection+3.3V voltages, 19 pin of chip U1 and the rear ground connection of 20 pin series connection, 6 pin of chip U1 are through resistance R1 and electric capacity C1 ground connection, 11 pin of chip U1, 28 pin, 50 pin, + 3.3V voltage is connect after 75 pin and the series connection of 100 pin, 10 pin of chip U1, 27 pin, 49 pin, 74 pin and the rear ground connection of 99 pin series connection, + 3.3V voltage is connect after 1 pin of download port J3 and the series connection of 2 pin, 3 pin parallel resistance R7 and resistance R8,4 pin are through resistance R8, resistance R7 series connection+3.3V voltage, 6 pin connect 89 pin of chip U1,5 pin, 7 pin and 9 pin connect+3.3V voltage respectively after resistance R6, resistance R5, resistance R4,8 pin, 10 pin ground connection respectively, 1 pin of photoelectric sensor interface P3 connects 5V voltage, 2 pin ground connection, and 3 pin connect 31 pin of chip U1, 1 pin of dust sensor interface P5 connects 5V voltage, and 2 pin connect 55 pin of chip U1, and 3 pin connect 34 pin of chip U1,4 pin ground connection, 1 pin of baroceptor interface P7 connects 3.3V voltage, and 2 pin connect 60 pin of chip U1, and 3 pin connect 59 pin of chip U1,4 pin ground connection, heater, the first blower fan, the second blower fan, the first magnetic valve, the second magnetic valve are connected respectively to 42 pin ~ 46 pin of singlechip chip U1.
Described dust sensor, photoelectric sensor, baroceptor connect one-chip computer module respectively after dust sensor module, photoelectric sensor module, gas pressure sensor module;
Described gas pressure sensor module: the 1 pin ground connection of baroceptor U13, after 3 pin of baroceptor U13 and 4 pin meet 3.3V voltage and electric capacity C24 after connecting respectively, 6 pin, 7 pin of baroceptor U13 connect 3.3V voltage respectively after resistance R51, resistance R52, and 6 pin of baroceptor U13 export with 7 pin and are connected chip U1; Described photoelectric sensor module: 1 pin of photoelectric sensor U14 and 3 pin connect 5V voltage through resistance R57, resistance R55 respectively, 2 pin of photoelectric sensor U14 connect the intermediate ends of slide rheostat VR1,3 pin of infrared tube TC1, electric capacity C26 is in series with between 3 pin of infrared tube TC1 and 4 pin, the 4 pin ground connection of infrared tube TC1,1 pin of infrared tube TC1 connects 5V voltage through resistance R56, and 2 pin of infrared tube connect 5V voltage through slide rheostat VR1; Power supply indicator D10 connects with resistance R60 afterwards and electric capacity C31 is connected in parallel between 5V voltage and ground, and 1 pin of photoelectric sensor U14 exports with 3 pin and is connected chip U1; Described dust sensor module: be in series with resistance R53 between 1 pin of dust sensor M1 and 6 pin, electric capacity C25 is in series with between 1 pin and 2 pin, 3 pin and 4 pin are connected respectively to the collector and emitter of triode Q8,2 pin and 4 pin ground connection, 6 pin connect 5V voltage, and the base stage of triode Q8 exports and connects chip U1 after resistance R54 together with 5 pin of dust sensor M1.
Described alarm module comprises buzzer BP1, indicator lamp LED1 ~ LED3 and button KEY1 ~ KEY3, 97 pin of one-chip computer module chips U1, 98 pin and 1 pin are respectively through button KEY1, button KEY2 and button KEY3 ground connection, 2 pin of chip U1 connect 3.3V voltage through indicator lamp LED1 and resistance R16, 3 pin of chip U1 connect 3.3V voltage through indicator lamp LED2 and resistance R17, 4 pin of chip U1 connect 3.3V voltage through indicator lamp LED3 and resistance R18, 5 pin of chip U1 are through the base stage of resistance R35 to triode Q2, between the emitter stage that resistance R34 is connected in parallel on triode Q2 and base stage, the emitter stage of triode Q2 connects 3.3V voltage, 1 pin of buzzer BP1 connects the colelctor electrode of triode Q2, 2 pin ground connection.
Described power module comprises transformer T1, high frequency transformer control chip U2 and voltage stabilizing chip U3; 220V civil power is connected to the input two ends of individual event rectifier bridge B1 through fuse F1 and piezo-resistance YM, the input two ends of individual event rectifier bridge B1 are parallel with electric capacity C6, the output cathode of individual event rectifier bridge B1 connects 2 pin of transformer T1 input successively after electric capacity C8, resistance R12, diode D2, the output cathode of individual event rectifier bridge B1 connects 1 pin of transformer T1 input, and the node between electric capacity C8, resistance R12 connects 1 pin of transformer T1 input through resistance R12; The output negative pole of individual event rectifier bridge B1 connects 6 pin of high frequency transformer control chip U2,5 pin, 7 pin and 8 pin respectively, 6 pin of the 2 foot meridian capacitor C7 series transformer T1 of high frequency transformer control chip U2,4 pin of high frequency transformer control chip U2 connect 2 pin of transformer T1 input; 6 pin of transformer T1 are connected with one end of resistance R10 and resistance R10.2 respectively, 5 pin of transformer T1 are connected with one end of resistance R11 and resistance R11.1 respectively, and resistance R10 is connected with 1 pin of high frequency transformer control chip U2 after linking together with the other end of resistance R11 and resistance R11.1 with the other end of resistance R10.2; 4 pin of transformer T1 are through fuse F2 ground connection, 3 pin of transformer T1 export 5V voltage successively after diode D3, inductance L 1, node between diode D3 and inductance L 1 and be in series with electric capacity C9 between 4 pin of transformer T1,4 pin of transformer T1 meet electric capacity C10, resistance R14 and resistance R15 is connected in parallel on the two ends of electric capacity C10 after connecting, LED 2 is connected in parallel on resistance R14 two ends; Electric capacity C11 is in series with between 3 pin of voltage stabilizing chip U3 and 1 pin, 3 pin of power switch K1 are through electrochemical capacitor C12 ground connection, electrochemical capacitor C12 is in parallel with electric capacity C11, ground connection after electric capacity C13, electrochemical capacitor C14 respectively after 2 pin of voltage stabilizing chip U3 and the series connection of 4 pin, 4 pin of voltage stabilizing chip U3 export 3.3V voltage, be connected with 1 pin of power supply wiring mouth P1,2 pin and 3 pin respectively after 2 pin of power switch K1,5 pin series connection, 5V voltage is connect, 4 pin of power supply wiring mouth P1,5 pin and the equal ground connection of 6 pin after 3 pin of power switch K1 and the series connection of 4 pin.
Described heater comprises 5V relay U8,1 pin and 6 pin of 5V relay U8 connect 220V voltage, diode D6 is in series with between 2 pin of 5V relay U8 and 3 pin, 3 pin of 5V relay U8 are connected with 3 pin of triode Q3,2 pin of 5V relay U8 connect 3 pin of triode Q3 successively after resistance R38, relay-indicating light DS4,2 pin of 5V relay U8 connect 5V voltage, the 2 pin ground connection of triode Q3, and 1 pin is successively through resistance R36 and resistance R37 ground connection; 4 pin of 5V relay U8 are unsettled, 8 pin of the 5 pin contact relay coil K4 of 5V relay U8, and 1 pin of relay coil K4,4 pin and 7 pin connect 220V voltage, series electrical heated filament RH between 3 pin of relay coil K4 and 6 pin.
Described one-chip computer module connects computer through transport module, transport module comprises chip U7,1 pin, 4 pin of chip U7 are connected to 3 pin, 5 pin through electric capacity C29, electric capacity C30 respectively, 2 pin, 6 pin are respectively through electric capacity C27, electric capacity C28 ground connection, 14 pin, 13 pin are connected to 2 pin and 3 pin of computer RS232 serial ports respectively, 11 pin, 12 pin are connected to 96 pin and 95 pin of one-chip computer module chips U1 respectively, and 15 pin ground connection, 16 pin connect 3.3V voltage.
The present invention is by blower fan junction chamber external air inlet chamber, outdoor air-inlet cavity is connected with indoor air-inlet cavity pipeline, magnetic valve installed by pipeline, indoor air-inlet cavity connecting fan, at indoor air-inlet cavity place, dust sensor is installed, outdoor air-inlet cavity is connected with filter core pipeline, magnetic valve installed by pipeline, on the left of filter core, photoelectric sensor is installed, indoor air-inlet cavity is connected with filter core pipeline, filter core is connected with air-out chamber pipeline, heater is installed at air-out chamber place, baroceptor, photoelectric sensor and dust sensor connect single-chip microcomputer, single-chip microcomputer connection control magnetic valve, heater, display module and alarm module.
The present invention compared with prior art has the following advantages:
(1) achieve the function of air purifier air internal-external double circulation, supplement air that is fresh, circulation to indoor, solve the problem can not windowed due to air pollution.
(2) adopt baroceptor, ensure that indoor pressure is not subject to the impact of outer circulation.
(3) can automatic decision the need of changing the filter core of air purifier, and with diversity action prompting users such as display, warnings.
(4) air after the heater in air-out chamber makes purification has suitable temperature.
(5) transport module is by air purifier information transmission to personal computer, achieves and monitors in real time the situation of room air and filter core.
(6) take into account user's request, compensate for the some shortcomings part on existing air purifier function, and structure is simple, be convenient to realize.
Accompanying drawing explanation
Fig. 1 is the structure chart of the embodiment of the present invention.
Fig. 2 is frame diagram of the present invention.
Fig. 3 is gas pressure sensor module circuit diagram.
Fig. 4 is photoelectric sensor module circuit diagram.
Fig. 5 is dust sensor module circuit diagram.
Fig. 6 is alarm module circuitry figure.
Fig. 7 is one-chip computer module circuit diagram.
Fig. 8 is power module circuitry figure.
Fig. 9 is the connecting circuit figure of heater, blower fan and magnetic valve.
Figure 10 is transport module circuit diagram.
In figure: the 1-the first blower fan, 2-outdoor air-inlet cavity, the 3-the first magnetic valve, 4-indoor air-inlet cavity, the 5-the second blower fan, 6-dust sensor, the 7-the second magnetic valve, 8-filter core, 9-photoelectric sensor, 10-air-out chamber, 11-heater, 12-power module, 13-baroceptor, 14-control circuit.
Detailed description of the invention
Below in conjunction with specific embodiment to of the present invention a kind of can automatic-prompting more the inner-outer circulation air purifier of renew cartridge and purification method elaborate:
As shown in Figure 1, the present invention includes shell built with the first blower fan 1, outdoor air-inlet cavity 2, first magnetic valve 3, second blower fan 5, second magnetic valve 7, indoor air-inlet cavity 4, baroceptor 13, heater 11, filter core 8, control circuit 14 and the power module 12 for powering; Outdoor air enters outdoor air-inlet cavity 2 through the first blower fan 1, and outdoor air-inlet cavity 2 is connected by the first magnetic valve 3 with indoor air-inlet cavity 4, and room air enters indoor air-inlet cavity 4 through the second blower fan 5; Outdoor air-inlet cavity 2 is connected with the entrance of filter core 8 through the second magnetic valve 7, and indoor air-inlet cavity 4 is directly connected with the entrance of filter core 8, and the outlet of filter core 8 connects air-out chamber 10 through heater 11; Baroceptor 13 is contained on the inwall of shell, indoor air-inlet cavity 4 is built with dust sensor 6, filter core 8 is provided with photoelectric sensor 9, control circuit is connected with photoelectric sensor 9, dust sensor 6, baroceptor 13, first blower fan 1, first magnetic valve 3, second blower fan 5, second magnetic valve 7 and heater 11 respectively.
As shown in Figure 2, control circuit comprises one-chip computer module and alarm module, dust sensor 6, photoelectric sensor 9 are all connected one-chip computer module with baroceptor 13, and one-chip computer module is connected with the first blower fan 1, second blower fan 5, first magnetic valve 3, second magnetic valve 7, heater 11 and alarm module respectively.
Two magnetic valves of the present invention are for controlling the conducting state of breather line, and alarm module forms primarily of the element by warning function such as loudspeaker, indicator lamp, for pointing out more renew cartridge; Gas pressure sensor module is for monitoring room pressure, and photoelectric sensor module is for detecting filter core amount of dust, and dust sensor module is used for koniology amount in sensing chamber; One-chip computer module, for the treatment of signal, with liquid crystal display display module in one-chip computer module, shows for data one-chip computer module process obtained; Power module is for what power to whole circuit, and heater is used for adding hot-air.
As shown in Figure 7, one-chip computer module comprises chip U1, download port J3, photoelectric sensor interface P3, dust sensor interface P5 and baroceptor interface P7, 13 pin of chip U1 after resistance R3 with the crystal oscillator Y1 that connects between 12 pin, crystal oscillator Y1 two ends are through electric capacity C2, electric capacity C3 ground connection, 6 pin of chip U1, 21 pin and 22 pin series connection+3.3V voltages, 19 pin of chip U1 and the rear ground connection of 20 pin series connection, 6 pin of chip U1 are through resistance R1 and electric capacity C1 ground connection, 11 pin of chip U1, 28 pin, 50 pin, + 3.3V voltage is connect after 75 pin and the series connection of 100 pin, 10 pin of chip U1, 27 pin, 49 pin, 74 pin and the rear ground connection of 99 pin series connection, + 3.3V voltage is connect after 1 pin of download port J3 and the series connection of 2 pin, 3 pin parallel resistance R7 and resistance R8,4 pin are through resistance R8, resistance R7 series connection+3.3V voltage, 6 pin connect 89 pin of chip U1,5 pin, 7 pin and 9 pin connect+3.3V voltage respectively after resistance R6, resistance R5, resistance R4,8 pin, 10 pin ground connection respectively.
1 pin of photoelectric sensor interface P3 connects 5V voltage, 2 pin ground connection, and 3 pin connect 31 pin of chip U1; 1 pin of dust sensor interface P5 connects 5V voltage, and 2 pin connect 55 pin of chip U1, and 3 pin connect 34 pin of chip U1,4 pin ground connection; 1 pin of baroceptor interface P7 connects 3.3V voltage, and 2 pin connect 60 pin of chip U1, and 3 pin connect 59 pin of chip U1,4 pin ground connection; Heater 11, first blower fan 1, second blower fan 5, first magnetic valve 3, second magnetic valve 7 is connected respectively to 42 pin ~ 46 pin of singlechip chip U1.
Chip U1 can adopt STM32 single-chip microcomputer.
Dust sensor 6, photoelectric sensor 9, baroceptor 13 connect one-chip computer module respectively after dust sensor module, photoelectric sensor module, gas pressure sensor module.
As shown in Figure 3, gas pressure sensor module: the 1 pin ground connection of baroceptor U13, after 3 pin of baroceptor U13 and 4 pin meet 3.3V voltage and electric capacity C24 after connecting respectively, 6 pin, 7 pin of baroceptor U13 connect 3.3V voltage respectively after resistance R51, resistance R52, and 6 pin of baroceptor U13 export with 7 pin and are connected chip U1 as baroceptor interface P7.
As shown in Figure 4, photoelectric sensor module: 1 pin of photoelectric sensor U14 and 3 pin connect 5V voltage through resistance R57, resistance R55 respectively, 2 pin of photoelectric sensor U14 connect the intermediate ends of slide rheostat VR1,3 pin of infrared tube TC1, electric capacity C26 is in series with between 3 pin of infrared tube TC1 and 4 pin, the 4 pin ground connection of infrared tube TC1,1 pin of infrared tube TC1 connects 5V voltage through resistance R56, and 2 pin of infrared tube connect 5V voltage through slide rheostat VR1; Power supply indicator D10 connects with resistance R60 afterwards and electric capacity C31 is connected in parallel between 5V voltage and ground, and 1 pin of photoelectric sensor U14 exports with 3 pin and is connected chip U1 as photoelectric sensor interface P3.
As shown in Figure 5, dust sensor module: be in series with resistance R53 between 1 pin of dust sensor M1 and 6 pin, electric capacity C25 is in series with between 1 pin and 2 pin, 3 pin and 4 pin are connected respectively to the collector and emitter of triode Q8,2 pin and 4 pin ground connection, 6 pin connect 5V voltage, and the base stage of triode Q8 exports and connects chip U1 as dust sensor interface P5 after resistance R54 together with 5 pin of dust sensor M1.
As shown in Figure 6, alarm module comprises buzzer BP1, indicator lamp LED1 ~ LED3 and button KEY1 ~ KEY3, 97 pin of one-chip computer module chips U1, 98 pin and 1 pin are respectively through button KEY1, button KEY2 and button KEY3 ground connection, 2 pin of chip U1 connect 3.3V voltage through indicator lamp LED1 and resistance R16, 3 pin of chip U1 connect 3.3V voltage through indicator lamp LED2 and resistance R17, 4 pin of chip U1 connect 3.3V voltage through indicator lamp LED3 and resistance R18, 5 pin of chip U1 are through the base stage of resistance R35 to triode Q2, between the emitter stage that resistance R34 is connected in parallel on triode Q2 and base stage, the emitter stage of triode Q2 connects 3.3V voltage, 1 pin of buzzer BP1 connects the colelctor electrode of triode Q2, 2 pin ground connection.
As shown in Figure 8, power module comprises transformer T1, high frequency transformer control chip U2 and voltage stabilizing chip U3; 220V civil power is connected to the input two ends of individual event rectifier bridge B1 through fuse F1 and piezo-resistance YM, the input two ends of individual event rectifier bridge B1 are parallel with electric capacity C6, the output cathode of individual event rectifier bridge B1 connects 2 pin of transformer T1 input successively after electric capacity C8, resistance R12, diode D2, the output cathode of individual event rectifier bridge B1 connects 1 pin of transformer T1 input, and the node between electric capacity C8, resistance R12 connects 1 pin of transformer T1 input through resistance R12.
The output negative pole of individual event rectifier bridge B1 connects 6 pin of high frequency transformer control chip U2,5 pin, 7 pin and 8 pin respectively, 6 pin of the 2 foot meridian capacitor C7 series transformer T1 of high frequency transformer control chip U2,4 pin of high frequency transformer control chip U2 connect 2 pin of transformer T1 input; 6 pin of transformer T1 are connected with one end of resistance R10 and resistance R10.2 respectively, 5 pin of transformer T1 are connected with one end of resistance R11 and resistance R11.1 respectively, and resistance R10 is connected with 1 pin of high frequency transformer control chip U2 after linking together with the other end of resistance R11 and resistance R11.1 with the other end of resistance R10.2; 4 pin of transformer T1 are through fuse F2 ground connection, 3 pin of transformer T1 export 5V voltage successively after diode D3, inductance L 1, node between diode D3 and inductance L 1 and be in series with electric capacity C9 between 4 pin of transformer T1,4 pin of transformer T1 meet electric capacity C10, resistance R14 and resistance R15 is connected in parallel on the two ends of electric capacity C10 after connecting, LED 2 is connected in parallel on resistance R14 two ends.
Electric capacity C11 is in series with between 3 pin of voltage stabilizing chip U3 and 1 pin, 3 pin of power switch K1 are through electrochemical capacitor C12 ground connection, electrochemical capacitor C12 is in parallel with electric capacity C11, ground connection after electric capacity C13, electrochemical capacitor C14 respectively after 2 pin of voltage stabilizing chip U3 and the series connection of 4 pin, 4 pin of voltage stabilizing chip U3 export 3.3V voltage, be connected with 1 pin of power supply wiring mouth P1,2 pin and 3 pin respectively after 2 pin of power switch K1,5 pin series connection, 5V voltage is connect, 4 pin of power supply wiring mouth P1,5 pin and the equal ground connection of 6 pin after 3 pin of power switch K1 and the series connection of 4 pin.
As shown in Figure 9, heater 11 comprises 5V relay U8,1 pin and 6 pin of 5V relay U8 connect 220V voltage, diode D6 is in series with between 2 pin of 5V relay U8 and 3 pin, 3 pin of 5V relay U8 are connected with 3 pin of triode Q3, and 2 pin of 5V relay U8 connect 3 pin of triode Q3 successively after resistance R38, relay-indicating light DS4, and 2 pin of 5V relay U8 connect 5V voltage, the 2 pin ground connection of triode Q3,1 pin is successively through resistance R36 and resistance R37 ground connection; 4 pin of 5V relay U8 are unsettled, 8 pin of the 5 pin contact relay coil K4 of 5V relay U8, and 1 pin of relay coil K4,4 pin and 7 pin connect 220V voltage, series electrical heated filament RH between 3 pin of relay coil K4 and 6 pin.
One-chip computer module connects computer through transport module, as shown in Figure 10, transport module comprises chip U7,1 pin, 4 pin of chip U7 are connected to 3 pin, 5 pin through electric capacity C29, electric capacity C30 respectively, 2 pin, 6 pin are respectively through electric capacity C27, electric capacity C28 ground connection, and 14 pin, 13 pin are connected to 2 pin and 3 pin of computer RS232 serial ports respectively, and 11 pin, 12 pin are connected to 96 pin and 95 pin of one-chip computer module chips U1 respectively, 15 pin ground connection, 16 pin connect 3.3V voltage.
Preferred gas pressure sensor module adopts model to be the digital gas pressure sensor of BMP085, preferred photoelectric sensor module adopts model to be the reflective photoelectric sensor of TCRT5000, and preferred dust sensor module adopts model to be the dust sensor of GP2Y1010AU.Above-mentioned photoelectric sensor 9 comprises two photoelectric sensors be mounted opposite, and two photoelectric sensors are arranged on the both sides of filter core respectively.
Preferred liquid crystal display display module adopts the liquid crystal display of single-chip microcomputer STM32F103VCT6.
The present invention can adopt following a kind of specific works mode to carry out work:
Step 1, open external power source the filter core of air purifier, dust sensor 6, photoelectric sensor 9, single-chip microcomputer, power module, display module and alarm module are powered, initialize;
Step 2, dust sensor 6 or photoelectric sensor 9 gather air quality information, photoelectric sensor 9 comprises two photoelectric sensors be mounted opposite in filter core both sides, and be transferred to single-chip microcomputer, single-chip microcomputer receives and processes the air quality information collected, and compare with the data message preset, and export corresponding data processing of information namely the need of more renew cartridge, and result is transferred to display module and alarm module.
If single-chip microcomputer judges to need more renew cartridge, then display module shows the information and alarm module work that need more renew cartridge; If single-chip microcomputer judges not need more renew cartridge, then display module display does not need the information of more renew cartridge and alarm module does not work.
When the dust sensor 6 at air-inlet cavity 4 place detects, single-chip microcomputer receives dust sensor 6 information, calculates filter core 8 and changes the unit air quality time used, and compare with preset value, judge whether to need more renew cartridge according to this information.
When the photoelectric sensor 9 of filter core 8 both sides detects, the amount of dust of filter core 8 both sides can change the output signal of photoelectric sensor 9, and single-chip microcomputer receives this signal and to go forward side by side row relax, and compares with preset value, judges whether to need more renew cartridge.
The present invention can adopt following another kind of specific works mode to carry out work:
Air purifier of the present invention has Inner eycle, outer circulation, inner-outer circulation, ventilation four kinds of patterns.
Step 1, open external power source two of air purifier blower fans, two magnetic valves, filter core, baroceptor, single-chip microcomputer, power module and heaters are powered, initialize.
The working time of step 2, single-chip microcomputer setting different working modes, select the mode of operation of inner-outer circulation air purifier.
When 2.1, selecting Inner eycle pattern, the first magnetic valve 3 in opening chamber, air-inlet cavity and outdoor air-inlet cavity pipeline installed, the second magnetic valve 7 that close chamber's external air inlet chamber and filter core pipeline are installed, in opening chamber, the blower fan 5 at air-inlet cavity place, purifies room air;
When 2.2, selecting outer circulation, the second magnetic valve 7 that opening chamber's external air inlet chamber and filter core pipeline are installed, the first magnetic valve 3 in close chamber, air-inlet cavity and outdoor air-inlet cavity pipeline installed, first blower fan 1 in opening chamber's external air inlet chamber, suction outdoor fresh air is to indoor;
2.3, during inner-outer circulation, the first magnetic valve 3 that the second magnetic valve 7 that opening chamber's external air inlet chamber and filter core pipeline are installed and indoor air-inlet cavity and outdoor air-inlet cavity pipeline are installed, first blower fan 1 and second blower fan 5 at opening chamber's external air inlet chamber and indoor air-inlet cavity place, purify the air of a room, supplement fresh air simultaneously.
Step 3, baroceptor gather room air pressure, and room air pressure is transferred to single-chip microcomputer.
When pressure values is more than or equal to preset value, opens ventilatory pattern, open the first magnetic valve 3, close the second magnetic valve 7, open the first blower fan 1 and the second blower fan 5, and the first blower fan 1 reverses, room air is discharged, reduce room air pressure.
Step 4, single-chip microcomputer receive the information processed, and export control signal according to information, are transferred to magnetic valve, blower fan and heater.
When step 5, air-out chamber have air to discharge, heater work.
Thus, present invention achieves inner-outer circulation two kinds of patterns and can the function of automatic-prompting more renew cartridge, the perfect function of air purifier, clean-up effect is improve from method, solve and close window and cannot discharge foul atmosphere and open the window and then reduce the problem such as air purification effect, for user offers convenience, there is outstanding significant technique effect.
Claims (8)
1. can the inner-outer circulation air purifier of automatic-prompting more renew cartridge, it is characterized in that: comprise shell built with the first blower fan (1), outdoor air-inlet cavity (2), the first magnetic valve (3), the second blower fan (5), the second magnetic valve (7), indoor air-inlet cavity (4), baroceptor (13), heater (11), filter core (8), control circuit (14) and the power module (12) for powering; Outdoor air enters outdoor air-inlet cavity (2) through the first blower fan (1), and outdoor air-inlet cavity (2) is connected by the first magnetic valve (3) with indoor air-inlet cavity (4), and room air enters indoor air-inlet cavity (4) through the second blower fan (5); Outdoor air-inlet cavity (2) is connected through the entrance of the second magnetic valve (7) with filter core (8), and indoor air-inlet cavity (4) is directly connected with the entrance of filter core (8), and the outlet of filter core (8) connects air-out chamber (10) through heater (11); Baroceptor (13) is contained on the inwall of shell, indoor air-inlet cavity (4) is built with dust sensor (6), filter core (8) is provided with photoelectric sensor (9), control circuit is connected with photoelectric sensor (9), dust sensor (6), baroceptor (13), the first blower fan (1), the first magnetic valve (3), the second blower fan (5), the second magnetic valve (7) and heater (11) respectively.
2. according to claim 1 a kind of can the inner-outer circulation air purifier of automatic-prompting more renew cartridge, it is characterized in that: described control circuit comprises one-chip computer module and alarm module, dust sensor (6), photoelectric sensor (9) are all connected one-chip computer module with baroceptor (13), and one-chip computer module is connected with the first blower fan (1), the second blower fan (5), the first magnetic valve (3), the second magnetic valve (7), heater (11) and alarm module respectively.
3. according to claim 2 a kind of can the inner-outer circulation air purifier of automatic-prompting more renew cartridge, it is characterized in that: described one-chip computer module comprises chip U1, download port J3, photoelectric sensor interface P3, dust sensor interface P5 and baroceptor interface P7, 13 pin of chip U1 after resistance R3 with the crystal oscillator Y1 that connects between 12 pin, crystal oscillator Y1 two ends are through electric capacity C2, electric capacity C3 ground connection, 6 pin of chip U1, 21 pin and 22 pin series connection+3.3V voltages, 19 pin of chip U1 and the rear ground connection of 20 pin series connection, 6 pin of chip U1 are through resistance R1 and electric capacity C1 ground connection, 11 pin of chip U1, 28 pin, 50 pin, + 3.3V voltage is connect after 75 pin and the series connection of 100 pin, 10 pin of chip U1, 27 pin, 49 pin, 74 pin and the rear ground connection of 99 pin series connection, + 3.3V voltage is connect after 1 pin of download port J3 and the series connection of 2 pin, 3 pin parallel resistance R7 and resistance R8,4 pin are through resistance R8, resistance R7 series connection+3.3V voltage, 6 pin connect 89 pin of chip U1,5 pin, 7 pin and 9 pin connect+3.3V voltage respectively after resistance R6, resistance R5, resistance R4,8 pin, 10 pin ground connection respectively,
1 pin of photoelectric sensor interface P3 connects 5V voltage, 2 pin ground connection, and 3 pin connect 31 pin of chip U1; 1 pin of dust sensor interface P5 connects 5V voltage, and 2 pin connect 55 pin of chip U1, and 3 pin connect 34 pin of chip U1,4 pin ground connection; 1 pin of baroceptor interface P7 connects 3.3V voltage, and 2 pin connect 60 pin of chip U1, and 3 pin connect 59 pin of chip U1,4 pin ground connection; Heater (11), the first blower fan (1), the second blower fan (5), the first magnetic valve (3), the second magnetic valve (7) are connected respectively to 42 pin ~ 46 pin of singlechip chip U1.
4. according to claim 3 a kind of can the inner-outer circulation air purifier of automatic-prompting more renew cartridge, it is characterized in that: described dust sensor (6), photoelectric sensor (9), baroceptor (13) connect one-chip computer module respectively after dust sensor module, photoelectric sensor module, gas pressure sensor module;
Described gas pressure sensor module: the 1 pin ground connection of baroceptor U13, after 3 pin of baroceptor U13 and 4 pin meet 3.3V voltage and electric capacity C24 after connecting respectively, 6 pin, 7 pin of baroceptor U13 connect 3.3V voltage respectively after resistance R51, resistance R52, and 6 pin of baroceptor U13 export with 7 pin and are connected chip U1;
Described photoelectric sensor module: 1 pin of photoelectric sensor U14 and 3 pin connect 5V voltage through resistance R57, resistance R55 respectively, 2 pin of photoelectric sensor U14 connect the intermediate ends of slide rheostat VR1,3 pin of infrared tube TC1, electric capacity C26 is in series with between 3 pin of infrared tube TC1 and 4 pin, the 4 pin ground connection of infrared tube TC1,1 pin of infrared tube TC1 connects 5V voltage through resistance R56, and 2 pin of infrared tube connect 5V voltage through slide rheostat VR1; Power supply indicator D10 connects with resistance R60 afterwards and electric capacity C31 is connected in parallel between 5V voltage and ground, and 1 pin of photoelectric sensor U14 exports with 3 pin and is connected chip U1;
Described dust sensor module: be in series with resistance R53 between 1 pin of dust sensor M1 and 6 pin, electric capacity C25 is in series with between 1 pin and 2 pin, 3 pin and 4 pin are connected respectively to the collector and emitter of triode Q8,2 pin and 4 pin ground connection, 6 pin connect 5V voltage, and the base stage of triode Q8 exports and connects chip U1 after resistance R54 together with 5 pin of dust sensor M1.
5. according to claim 3 a kind of can the inner-outer circulation air purifier of automatic-prompting more renew cartridge, it is characterized in that: described alarm module comprises buzzer BP1, indicator lamp LED1 ~ LED3 and button KEY1 ~ KEY3, 97 pin of one-chip computer module chips U1, 98 pin and 1 pin are respectively through button KEY1, button KEY2 and button KEY3 ground connection, 2 pin of chip U1 connect 3.3V voltage through indicator lamp LED1 and resistance R16, 3 pin of chip U1 connect 3.3V voltage through indicator lamp LED2 and resistance R17, 4 pin of chip U1 connect 3.3V voltage through indicator lamp LED3 and resistance R18, 5 pin of chip U1 are through the base stage of resistance R35 to triode Q2, between the emitter stage that resistance R34 is connected in parallel on triode Q2 and base stage, the emitter stage of triode Q2 connects 3.3V voltage, 1 pin of buzzer BP1 connects the colelctor electrode of triode Q2, 2 pin ground connection.
6. according to claim 1 a kind of can the inner-outer circulation air purifier of automatic-prompting more renew cartridge, it is characterized in that: described power module comprises transformer T1, high frequency transformer control chip U2 and voltage stabilizing chip U3;
220V civil power is connected to the input two ends of individual event rectifier bridge B1 through fuse F1 and piezo-resistance YM, the input two ends of individual event rectifier bridge B1 are parallel with electric capacity C6, the output cathode of individual event rectifier bridge B1 connects 2 pin of transformer T1 input successively after electric capacity C8, resistance R12, diode D2, the output cathode of individual event rectifier bridge B1 connects 1 pin of transformer T1 input, and the node between electric capacity C8, resistance R12 connects 1 pin of transformer T1 input through resistance R12;
The output negative pole of individual event rectifier bridge B1 connects 6 pin of high frequency transformer control chip U2,5 pin, 7 pin and 8 pin respectively, 6 pin of the 2 foot meridian capacitor C7 series transformer T1 of high frequency transformer control chip U2,4 pin of high frequency transformer control chip U2 connect 2 pin of transformer T1 input; 6 pin of transformer T1 are connected with one end of resistance R10 and resistance R10.2 respectively, 5 pin of transformer T1 are connected with one end of resistance R11 and resistance R11.1 respectively, and resistance R10 is connected with 1 pin of high frequency transformer control chip U2 after linking together with the other end of resistance R11 and resistance R11.1 with the other end of resistance R10.2; 4 pin of transformer T1 are through fuse F2 ground connection, 3 pin of transformer T1 export 5V voltage successively after diode D3, inductance L 1, node between diode D3 and inductance L 1 and be in series with electric capacity C9 between 4 pin of transformer T1,4 pin of transformer T1 meet electric capacity C10, resistance R14 and resistance R15 is connected in parallel on the two ends of electric capacity C10 after connecting, LED 2 is connected in parallel on resistance R14 two ends;
Electric capacity C11 is in series with between 3 pin of voltage stabilizing chip U3 and 1 pin, 3 pin of power switch K1 are through electrochemical capacitor C12 ground connection, electrochemical capacitor C12 is in parallel with electric capacity C11, ground connection after electric capacity C13, electrochemical capacitor C14 respectively after 2 pin of voltage stabilizing chip U3 and the series connection of 4 pin, 4 pin of voltage stabilizing chip U3 export 3.3V voltage, be connected with 1 pin of power supply wiring mouth P1,2 pin and 3 pin respectively after 2 pin of power switch K1,5 pin series connection, 5V voltage is connect, 4 pin of power supply wiring mouth P1,5 pin and the equal ground connection of 6 pin after 3 pin of power switch K1 and the series connection of 4 pin.
7. according to claim 1 a kind of can the inner-outer circulation air purifier of automatic-prompting more renew cartridge, it is characterized in that: described heater (11) comprises 5V relay U8, 1 pin and 6 pin of 5V relay U8 connect 220V voltage, diode D6 is in series with between 2 pin of 5V relay U8 and 3 pin, 3 pin of 5V relay U8 are connected with 3 pin of triode Q3, 2 pin of 5V relay U8 are successively through resistance R38, 3 pin of triode Q3 are connect after relay-indicating light DS4, 2 pin of 5V relay U8 connect 5V voltage, the 2 pin ground connection of triode Q3, 1 pin is successively through resistance R36 and resistance R37 ground connection, 4 pin of 5V relay U8 are unsettled, 8 pin of the 5 pin contact relay coil K4 of 5V relay U8, and 1 pin of relay coil K4,4 pin and 7 pin connect 220V voltage, series electrical heated filament RH between 3 pin of relay coil K4 and 6 pin.
8. according to claim 3 a kind of can the inner-outer circulation air purifier of automatic-prompting more renew cartridge, it is characterized in that: described one-chip computer module connects computer through transport module, transport module comprises chip U7,1 pin, 4 pin of chip U7 are connected to 3 pin, 5 pin through electric capacity C29, electric capacity C30 respectively, 2 pin, 6 pin are respectively through electric capacity C27, electric capacity C28 ground connection, 14 pin, 13 pin are connected to 2 pin and 3 pin of computer RS232 serial ports respectively, 11 pin, 12 pin are connected to 96 pin and 95 pin of one-chip computer module chips U1 respectively, 15 pin ground connection, 16 pin connect 3.3V voltage.
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Address after: 310018, No. 258, source street, Xiasha Higher Education Park, Hangzhou, Zhejiang Patentee after: China Jiliang University Address before: 310018 No. 258, Xue Yuan Street, Jianggan Economic Development Zone, Hangzhou, Zhejiang. Patentee before: China Jiliang University |
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Effective date of registration: 20211221 Address after: 310051 room 407, No. 258, Xihe Road, Xixing street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Xinfeng Zhilian (Hangzhou) Technology Co.,Ltd. Address before: 310018, No. 258, source street, Xiasha Higher Education Park, Hangzhou, Zhejiang Patentee before: China Jiliang University |