CN106597919A - Signal conditioning circuit-based automatic cleaning system of air purifier - Google Patents

Signal conditioning circuit-based automatic cleaning system of air purifier Download PDF

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Publication number
CN106597919A
CN106597919A CN201611003564.6A CN201611003564A CN106597919A CN 106597919 A CN106597919 A CN 106597919A CN 201611003564 A CN201611003564 A CN 201611003564A CN 106597919 A CN106597919 A CN 106597919A
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CN
China
Prior art keywords
drainage screen
circuit
signal conditioning
resistor
air purifier
Prior art date
Application number
CN201611003564.6A
Other languages
Chinese (zh)
Inventor
范磊
Original Assignee
江苏智石科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏智石科技有限公司 filed Critical 江苏智石科技有限公司
Priority to CN201611003564.6A priority Critical patent/CN106597919A/en
Publication of CN106597919A publication Critical patent/CN106597919A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0057Regenerating the filter material in the filter
    • B01D46/0064Regenerating the filter material in the filter by means of acting on the cake side and moving with respect to the filtering elements
    • B01D46/0065Regenerating the filter material in the filter by means of acting on the cake side and moving with respect to the filtering elements by scrapers, brushes, nozzles or the like
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423Input/output
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/21Pc I-O input output
    • G05B2219/21137Analog to digital conversion, ADC, DAC

Abstract

The invention discloses a signal conditioning circuit-based automatic cleaning system of an air purifier. The system comprises a photoelectric sensor, a signal conditioning circuit, an analog-to-digital converter, a processor, an input module, a clock module and a filter screen automatic cleaning device. The signal conditioning circuit comprises a trap circuit, a filter circuit, an amplifier circuit and a rectifier circuit, wherein the trap circuit, the filter circuit, the amplifier circuit and the rectifier circuit are sequentially connected. The trap circuit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a first capacitor, a second capacitor and an operational amplifier. One end of the first resistor is respectively connected with one end of the first capacitor and one end of the second capacitor. One end of the second resistor is respectively connected with one end of the fourth resistor and the positive electrode of the operational amplifier. The other end of the fourth resistor is grounded. The other end of the second capacitor is respectively connected with one end of the third resistor and the negative electrode of the operational amplifier. The other end of the third resistor is respectively connected with the other end of the first capacitor and the output terminal of the operational amplifier. According to the technical scheme of the invention, on the basis of a signal conditioning circuit, a filter screen can be automatically cleaned.

Description

A kind of automatic cleaning system of the air purifier based on signal conditioning circuit
Technical field
The present invention relates to air purifier technical field, particularly a kind of air purifier based on signal conditioning circuit Automatic cleaning system.
Background technology
With being continually changing for global climate and frequently occurring for various extreme climates, air purifier has become people Requisite household electrical appliance in daily life.But can assemble on the drainage screen inside commonly used air purifier Substantial amounts of dust, antibacterial and mycete, are both unfavorable for divulging information and affecting to heat or refrigeration, are less useful for the health of human body.In Center for Disease Control (CDC) of state data shows, if air purifier is seriously polluted to cause sub-health state and various diseases.But this One problem does not cause the enough attention of people, many people that the custom of drainage screen is often cleaned without Jing.
With the improvement of people's living standards, people pay attention to all the more health.Air pollution at present is serious, IAQ (indoor air quality) Increasingly it is subject to people's attention.What is played a major role in air purifier is drainage screen, and drainage screen has certain use longevity Life.Drainage screen not only can collect dirt dust, as temperature, humidity are suitable, drainage screen can also grow big under condensed water effect Amount antibacterial, mycete, acarid etc..When drainage screen is opened, these dusts and pathogenic bacteria are just produced by boasting by drainage screen, enter with respiratory tract Human body, causes human body to occur dizzy weak, catches cold, allergic rhinitises, or even induction asthma.Environmental science association of state is indoor Environment combines Shanghai man of man peace with healthy branch carries out tune of registering one's residence to the Household Air Purifier on the ground such as Shanghai, Beijing, Shenzhen Research and development are existing, and 88% drainage screen total number of bacteria is exceeded, and 84% drainage screen total number of molds is exceeded, and antibacterial highest is detected on drainage screen Up to 91259/cm2.In order to avoid drainage screen is excessively used, common way is the use time for counting drainage screen, once Use time service life more than expected, will be prompted to user and is changed.This method is realized simply, while there is also substantially Deficiency;Air quality due to have ignored use environment, in the preferable environment of air quality, possible use time reaches pre- If value when, drainage screen can also continue to use, now change can cause waste;But in the poor environment of air quality, Then occur that drainage screen has reached operating limit, but air purifier still will not be reminded, this will endanger the strong of people Health.
Therefore, filtering network pollution becomes one of principal element of harm family health care.But at present, this problem is not There is the enough attention for causing people.After long-term use, the airstrainer installed in air inlet position can glue air purifier Upper many dusts, cause drainage screen air bound or obstructed, affect the working effect of air purifier.At present, it is most of empty Gas purifier is required in use for some time removing drainage screen and carries out Manual-cleaning.For being unfamiliar with air purifier structure User and for can not skillfully completing the user of Manual-cleaning air purifier, the affairs are into using air purifier When a burden, or the personage of specialty can only be entrusted to assist operation, or simply ignore the drainage screen after life-time service The problem of meeting secondary pollution air ambient is possible to, air purifier is continuing with and is not cleaned.It is total well known, if air is net Change device to use daily and if irregularly cleaning, still have many antibacterials and micronic dust can be rested on drainage screen, make human body Into very big injury, service life of a machine can be also shortened.
The content of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art and provide a kind of based on signal condition electricity The automatic cleaning system of the air purifier on road, the present invention can automatically realize that drainage screen is clear on the basis of signal conditioning circuit The function of washing.
The present invention is employed the following technical solutions to solve above-mentioned technical problem:
According to a kind of automatic cleaning system of the air purifier based on signal conditioning circuit proposed by the present invention, including photoelectric transfer Sensor, signal conditioning circuit, analog-digital converter, processor, input module, clock module and drainage screen automatic clearing apparatuss;Its In, input module for being input into dust threshold value to processor, supervise for being input into processor in default time point by clock module Signal is surveyed, the photoelectric sensor is arranged on drainage screen to be detected and believes the dust strength signal on drainage screen successively Jing After number modulate circuit, analog-digital converter process, the dust strength signal after output conditioning to processor, processor are used for when receiving During dust strength signal and monitoring signals after the conditioning arrived, whether the dust strength signal after judging to nurse one's health exceedes the powder for arranging Threshold quantity of dust, drives drainage screen automatic clearing apparatuss to be cleaned if more than processor;Wherein,
The signal conditioning circuit includes trap circuit, filter circuit, amplifying circuit and the rectification circuit being sequentially connected;It is described to fall into Wave circuit includes first to fourth resistance, the first electric capacity, the second electric capacity and operational amplifier, and one end of first resistor is electric with first One end of appearance, one end of the second electric capacity connect respectively, and one end of one end of second resistance and the 4th resistance, operational amplifier are just Pole connects respectively, the other end of the 4th resistance ground connection, the other end of the second electric capacity and one end of 3rd resistor, operational amplifier Negative pole connects respectively, and the other end of 3rd resistor is connected respectively with the other end of the first electric capacity, the outfan of operational amplifier;
The drainage screen automatic clearing apparatuss include drainage screen drive mechanism, drainage screen detent mechanism, drainage screen cleaning sink with And drainage screen washing and brushing device;Under the driving of drainage screen drive mechanism, the drainage screen detent mechanism guiding drainage screen is dynamically Through the bottom of drainage screen cleaning sink and it is immersed in its water, drainage screen washing and brushing device is dynamically contacted so as to reality with drainage screen Drainage screen is cleaned now.
It is further as a kind of automatic cleaning system of the air purifier based on signal conditioning circuit of the present invention Prioritization scheme, the drainage screen washing and brushing device are cleaning hairbrush.
It is further as a kind of automatic cleaning system of the air purifier based on signal conditioning circuit of the present invention Prioritization scheme, MSP430F149 single-chip microcomputer of the processor for TI companies.
It is further as a kind of automatic cleaning system of the air purifier based on signal conditioning circuit of the present invention Prioritization scheme, the display module are RTSI056B03 LCD MODULE.
It is further as a kind of automatic cleaning system of the air purifier based on signal conditioning circuit of the present invention Prioritization scheme, the photoelectric sensor are HOA2498-00 reflective infrared photoelectric sensors.
The present invention adopts above technical scheme compared with prior art, with following technique effect:
(1)The present invention can carry out automatic detection to the dust of drainage screen based on the basis of signal conditioning circuit, when more than dust Drainage screen is cleaned automatically during threshold value can;
(2)The present invention accurately monitors dust intensity on drainage screen in real time by array optical electric transducer;
(3)The present invention have low-power consumption, miniaturization, it is portable, inexpensive the characteristics of, stability height, with very strong practicality.
Specific embodiment
Below technical scheme is described in further detail:
Those skilled in the art of the present technique it is understood that unless expressly stated, singulative " " used herein, " It is individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that arranging used in the description of the present invention Diction " including " refers to there is the feature, integer, step, operation, element and/or component, but it is not excluded that existing or adding One or more other features, integer, step, operation, element, component and/or their group.It should be understood that when we claim unit Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist Intermediary element.Additionally, " connection " used herein or " coupling " can include wireless connection or couple.Wording used herein "and/or" includes one or more associated any cells for listing item and all combinations.
Those skilled in the art of the present technique it is understood that unless otherwise defined, all terms used herein(Including skill Art term and scientific terminology)With with art of the present invention in those of ordinary skill general understanding identical meaning.Also It should be understood that those terms defined in such as general dictionary are should be understood that with the context with prior art The consistent meaning of meaning, and unless defined as here, will not be explained with idealization or excessively formal implication.
A kind of automatic cleaning system of the air purifier based on signal conditioning circuit, including photoelectric sensor, signal tune Reason circuit, analog-digital converter, processor, input module, clock module and drainage screen automatic clearing apparatuss;Wherein, input module For to processor be input into dust threshold value, clock module in default time point to processor Input Monitor Connector signal, it is described Photoelectric sensor be arranged on drainage screen to be detected on and by the dust strength signal on drainage screen successively Jing signal conditioning circuits, After analog-digital converter process, the dust strength signal after output conditioning to processor, processor are used for after the conditioning for receiving Dust strength signal and during monitoring signals, whether the dust strength signal after judging to nurse one's health exceedes the dust threshold value for arranging, if Drainage screen automatic clearing apparatuss are then driven to be cleaned more than processor;Wherein,
The signal conditioning circuit includes trap circuit, filter circuit, amplifying circuit and the rectification circuit being sequentially connected;It is described to fall into Wave circuit includes first to fourth resistance, the first electric capacity, the second electric capacity and operational amplifier, and one end of first resistor is electric with first One end of appearance, one end of the second electric capacity connect respectively, and one end of one end of second resistance and the 4th resistance, operational amplifier are just Pole connects respectively, the other end of the 4th resistance ground connection, the other end of the second electric capacity and one end of 3rd resistor, operational amplifier Negative pole connects respectively, and the other end of 3rd resistor is connected respectively with the other end of the first electric capacity, the outfan of operational amplifier;
The drainage screen automatic clearing apparatuss include drainage screen drive mechanism, drainage screen detent mechanism, drainage screen cleaning sink with And drainage screen washing and brushing device;Under the driving of drainage screen drive mechanism, the drainage screen detent mechanism guiding drainage screen is dynamically Through the bottom of drainage screen cleaning sink and it is immersed in its water, drainage screen washing and brushing device is dynamically contacted so as to reality with drainage screen Drainage screen is cleaned now.
The drainage screen washing and brushing device is cleaning hairbrush.MSP430F149 single-chip microcomputer of the processor for TI companies.Institute Display module is stated for RTSI056B03 LCD MODULE.The photoelectric sensor is passed for HOA2498-00 reflective infrared photoelectrics Sensor.
Above content is with reference to specific preferred implementation further description made for the present invention, it is impossible to assert The present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention, On the premise of without departing from present inventive concept, some simple deductions or replacement can also be made, should all be considered as belonging to the present invention's Protection domain.

Claims (5)

1. a kind of automatic cleaning system of the air purifier based on signal conditioning circuit, it is characterised in that including photoelectric sensing Device, signal conditioning circuit, analog-digital converter, processor, input module, clock module and drainage screen automatic clearing apparatuss;Wherein, Input module for processor be input into dust threshold value, clock module for default time point to processor Input Monitor Connector believe Number, the photoelectric sensor is arranged on drainage screen to be detected and adjusts the dust strength signal on drainage screen successively Jing signals After reason circuit, analog-digital converter process, to processor, processor is used for when receiving the dust strength signal after output conditioning During dust strength signal and monitoring signals after conditioning, whether the dust strength signal after judging to nurse one's health exceedes the dust threshold for arranging Value, drives drainage screen automatic clearing apparatuss to be cleaned if more than processor;Wherein,
The signal conditioning circuit includes trap circuit, filter circuit, amplifying circuit and the rectification circuit being sequentially connected;It is described to fall into Wave circuit includes first to fourth resistance, the first electric capacity, the second electric capacity and operational amplifier, and one end of first resistor is electric with first One end of appearance, one end of the second electric capacity connect respectively, and one end of one end of second resistance and the 4th resistance, operational amplifier are just Pole connects respectively, the other end of the 4th resistance ground connection, the other end of the second electric capacity and one end of 3rd resistor, operational amplifier Negative pole connects respectively, and the other end of 3rd resistor is connected respectively with the other end of the first electric capacity, the outfan of operational amplifier;
The drainage screen automatic clearing apparatuss include drainage screen drive mechanism, drainage screen detent mechanism, drainage screen cleaning sink with And drainage screen washing and brushing device;Under the driving of drainage screen drive mechanism, the drainage screen detent mechanism guiding drainage screen is dynamically Through the bottom of drainage screen cleaning sink and it is immersed in its water, drainage screen washing and brushing device is dynamically contacted so as to reality with drainage screen Drainage screen is cleaned now.
2. the automatic cleaning system of a kind of air purifier based on signal conditioning circuit according to claim 1, which is special Levy and be, the drainage screen washing and brushing device is cleaning hairbrush.
3. the automatic cleaning system of a kind of air purifier based on signal conditioning circuit according to claim 1, which is special Levy and be, MSP430F149 single-chip microcomputer of the processor for TI companies.
4. the automatic cleaning system of a kind of air purifier based on signal conditioning circuit according to claim 1, which is special Levy and be, the display module is RTSI056B03 LCD MODULE.
5. the automatic cleaning system of a kind of air purifier based on signal conditioning circuit according to claim 1, which is special Levy and be, the photoelectric sensor is HOA2498-00 reflective infrared photoelectric sensors.
CN201611003564.6A 2016-11-15 2016-11-15 Signal conditioning circuit-based automatic cleaning system of air purifier CN106597919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611003564.6A CN106597919A (en) 2016-11-15 2016-11-15 Signal conditioning circuit-based automatic cleaning system of air purifier

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Application Number Priority Date Filing Date Title
CN201611003564.6A CN106597919A (en) 2016-11-15 2016-11-15 Signal conditioning circuit-based automatic cleaning system of air purifier

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CN106597919A true CN106597919A (en) 2017-04-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06262021A (en) * 1993-03-10 1994-09-20 Matsushita Electric Ind Co Ltd Air purifier
CN201069243Y (en) * 2007-07-23 2008-06-04 珠海格力电器股份有限公司 Air conditioner for automatically cleaning the filtering net
CN203385090U (en) * 2013-06-21 2014-01-08 宋道胜 PM2.5 purification automatic cleaning device of fresh air conditioner
CN203720586U (en) * 2014-01-14 2014-07-16 南京信息工程大学 Air conditioner cooling fin dust automation monitor based on ARM inner core
CN105116283A (en) * 2015-08-19 2015-12-02 苏州市新瑞奇节电科技有限公司 Downhole power cable insulation monitoring device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06262021A (en) * 1993-03-10 1994-09-20 Matsushita Electric Ind Co Ltd Air purifier
CN201069243Y (en) * 2007-07-23 2008-06-04 珠海格力电器股份有限公司 Air conditioner for automatically cleaning the filtering net
CN203385090U (en) * 2013-06-21 2014-01-08 宋道胜 PM2.5 purification automatic cleaning device of fresh air conditioner
CN203720586U (en) * 2014-01-14 2014-07-16 南京信息工程大学 Air conditioner cooling fin dust automation monitor based on ARM inner core
CN105116283A (en) * 2015-08-19 2015-12-02 苏州市新瑞奇节电科技有限公司 Downhole power cable insulation monitoring device

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Application publication date: 20170426