CN106403086A - Real-time monitoring system and method for high-efficiency filter, and filter - Google Patents

Real-time monitoring system and method for high-efficiency filter, and filter Download PDF

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Publication number
CN106403086A
CN106403086A CN201610784709.4A CN201610784709A CN106403086A CN 106403086 A CN106403086 A CN 106403086A CN 201610784709 A CN201610784709 A CN 201610784709A CN 106403086 A CN106403086 A CN 106403086A
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Prior art keywords
real
filter
time
time monitoring
high efficiency
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CN201610784709.4A
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Chinese (zh)
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康俊平
李风煜
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Individual
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Priority to CN201610784709.4A priority Critical patent/CN106403086A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/88Replacing filter elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90Cleaning of purification apparatus

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a real-time monitoring system and a real-time monitoring method for a high-efficiency filter, and the filter. The real-time monitoring system for the high-efficiency filter is characterized by comprising an air pressure sensor which is used for detecting real-time pressure difference between the two ends of a filter element, and an operation module which is used for operating to obtain a real-time dust accumulating amount of the filter element. According to the real-time monitoring system and the real-time monitoring method for the high-efficiency filter, and the filter, the dust accumulating amount and air volume penetrating efficiency of the filter are monitored in real time, and the dust accumulating amount of the filter is quantitatively monitored by utilizing the air flow pressure difference between the two ends of the filter, so that the service life of the filter is accurately expressed through a corresponding algorithm. The real-time monitoring system and the real-time monitoring method for the high-efficiency filter, and the filter can realize real-time monitoring and assessment of the working state and the service life of the filter through air purification equipment, and have a great potential application value in the aspects of high-cleanness working environment of high-precision processing, biology, medical treatment and the like.

Description

A kind of high efficiency particulate air filter real-time monitoring system, method and filter
Technical field
The present invention relates to technical field of air purification, specifically, disclose a kind of high efficiency particulate air filter real-time monitoring system, Method and filter.
Background technology
Air purifying process initially refers to One comprehensive new and developing branch subject multi-disciplinary, trans-departmental, interdisciplinary.It both had thousand with a lot of industries, a lot of subject The exercise of silk ten thousand threads, has the characteristics that oneself uniqueness again.The concentration of suspended particulate substance is more than or equal to certain with unit volume in the air The permission quantity of the particulate matter of one particle diameter representing, generally also becomes the cleanliness factor of air, and with this to divide cleanliness factor etc. Level.
Initial is to improve the yield rate of sophisticated product or reducing its fault rate with air purifying process.With science The development of technology, the precision more and more higher of various industrial products particularly microelectronic product, the air cleaning to production environment Degree requires also more and more higher, and the object of control also expands to harmful gass from single suspended particle.Air purifying process exists While the suspended particulate substance of control air, also efficiently control the harmful microorganisms such as antibacterial and the virus of in the air, so Progressively it is generalized to the fields such as medical treatment, pharmacy, biology again, define currently fairly perfect air purity technique, bring huge Economic benefit and social benefit.In recent years, the living standard of people improves constantly, and air purifying process is gradually applied to people Daily life, indoor air is purified, improve room air cleanliness factor, widely paid close attention to, Air purity technique is introduced civil applications scope, there is huge potential using value.
Air cleaning facility high efficiency particulate air filter real-time monitoring device is the important component part of Techniques for Indoor Air Purification.Institute So that with the civil nature of air purifying process, society is also more and more urgent for the demand of indoor air purification equipment.Room at present The critical piece of inner air-cleaning equipment has smart circuit control section, blower fan, filter core, casing and air channel;From equipment Functionally will have indoor circulation clearing machine, new blower fan, mixing clearing machine (containing outdoor room air exchange and heat-exchange apparatus) and Fresh air purifier (exchanges and heat-exchange apparatus containing outdoor room air).Interior circulation clearing machine is put indoors, by indoor sky Gas circulating filtration, to reach the purpose of particulate matter in diluent air;New blower fan is that outdoor air is sent into interior by force, by room Interior air extrusion is outdoor;Mixing clearing machine is that outdoor air is sent into interior after filtering by force, by indoor air row While going out outdoor, by heat exchanger, indoor air is discharged, the energy of in the air is retained, is brought into by outdoor air Equipment;Fresh air purifier has indoor circulation function, and fresh air supply function, and interior circulation function is by indoor air circulation While filtration, the energy (heat or cold) of room air is passed through heat-exchange apparatus, passes to the fresh air entering from outdoor And take back interior, not only can guarantee that the air cleaning of interior but also enable energy regenerating moreover it is possible to ensure that indoor air is in malleation State, it is to avoid the outdoor treated air that do not have is directly entered interior.
As the Techniques for Indoor Air Purification gradually growing up in recent years, fresh air purifier has a series of brand-new setting Standby performance.Indoor air quality can reach and purify the requirement controlling, and high efficiency particulate air filter is the center original paper of filter element, Outside air quality, working time, working environment mutation etc. all can have influence on the filter efficiency of filter, therefore understand that it is online Working condition is most important it is impossible to the working condition of understanding filter element would not know airfiltering slave mode, After having solved the working condition of filter, also the service life calculating filter to be set up according to the laying dust amount of filter, and Build the linear algorithm of laying dust amount and air flow pressure reduction it is possible to quantitative indicate filter service life.
The service life of high efficiency particulate air filter to be determined with its surface area dust quantity, and the laying dust amount of filter reaches certain During numerical value, drafting efficiency will decline, or even completely can not be ventilative, loses the function of depurator itself.In the market The life-span of the high efficiency particulate air filter in existing indoor air-purifier does not have related detection device, judges that high efficiency particulate air filter uses the longevity The method of life adopts stream time summation or fixed cycle (one-year age), and both approaches not can determine that concrete filtration The actually used situation of device.The therefore high efficiency particulate air filter real-time monitoring system in invention fresh air purifying machine equipment and method, for The filter of depurator can interpolate that the service life under the working environment of different dust content of airs in use, has section The data learned is supported, has rational using value.
Content of the invention
For solving above-mentioned technical problem, the present invention proposes a kind of high efficiency particulate air filter real-time monitoring system, method and filtration Device.
A kind of high efficiency particulate air filter real-time monitoring system is it is characterised in that include baroceptor, for detecting filter element two ends Real-time pressure reduction;Computing module, draws the real-time laying dust amount of filter element for computing.
Optionally, the formula of the described computing module described real-time laying dust amount of calculating is as follows:
Wherein, P is the real-time pressure reduction at filter element two ends, P0For filter initial differential pressure, M is real-time laying dust amount, and k is saturating pressure Rate.
Optionally, described high efficiency particulate air filter real-time monitoring system also includes storage device, for storing filter element technical parameter, Pressure reduction and real-time laying dust amount data in real time.
Optionally, described high efficiency particulate air filter real-time monitoring system also includes smart electronicses display module, for showing filter element The real-time pressure reduction at two ends and real-time laying dust amount, and the early warning value according to real-time laying dust amount, provide police when filter element life exhausts Report.
A kind of high efficiency particulate air filter method of real-time is it is characterised in that comprise the following steps:
Step one, monitors the real-time pressure reduction at detection filter element two ends by baroceptor;
Step 2, transfers the saturating pressure rate data of filter element;
Step 3, calculates real-time laying dust amount, and formula is as follows:
Wherein, P is the real-time pressure reduction at filter element two ends, P0For filter initial differential pressure, M is real-time laying dust amount, and k is saturating pressure Rate.
Optionally, described high efficiency particulate air filter method of real-time also includes step 4, by real-time laying dust amount and setting Early warning value is compared, and when exceeding early warning value, points out to change filter element.
A kind of high efficiency particulate air filter is it is characterised in that use above-mentioned high efficiency particulate air filter real-time monitoring system.
Described high efficiency particulate air filter real-time monitoring system and method can achieve the working condition to filter for the air cleaning facility With real-time monitoring and the assessment in life-span, it has huge in terms of high-accuracy processing, biology, medical contour clean working environment Potential using value.
Brief description
Fig. 1 is the schematic knot that in the reaction embodiment of the present invention, filter passes through filter element inside and outside differential pressure real-time monitoring laying dust amount Composition and wind path schematic diagram, wherein filter -1, switch -2, blower fan -3, baroceptor -4, indoor circulation air port -5, room Outer fresh wind port -6, air outlet -7, smart electronicses display module -8.
In the filter element that the exemplary operation of high efficiency particulate air filter real-time monitoring system in Fig. 2 embodiment of the present invention obtains external pressure with The linear graph of laying dust amount.
Specific embodiment
With reference to specific embodiment, high efficiency particulate air filter real-time monitoring system of the present invention, method and filter are done Further illustrate, but protection scope of the present invention is not limited to this.
Poor by using filter two ends gas flow pressure, the laying dust amount of real-time monitoring filter and air quantity are through effect Rate, the laying dust amount of Quantitative Monitoring filter, with corresponding result of calculation accurate expression filter service life.
Fig. 1 be in the reaction embodiment of the present invention by the schematic diagram of filter element inside and outside differential pressure real-time monitoring laying dust amount and Wind path schematic diagram.
Described high efficiency particulate air filter real-time monitoring system includes baroceptor, for detecting the real-time pressure reduction at filter element two ends; Computing module, draws the real-time laying dust amount of filter element for computing;Smart electronicses display module, for showing the real-time of filter element two ends Pressure reduction and real-time laying dust amount, and alarm is given when filter element life exhausts.
The monitoring principle of described high efficiency particulate air filter real-time monitoring system is designed as shown in fig. 1 with wind path.By measuring The pressure reduction of filter two ends, air-inlet cavity end and fans entrance, the draught head before and after accurate feedback filters in real time.
High efficiency particulate air filter method of real-time of the present invention and principle are as follows:
The formula (1) that described high efficiency particulate air filter real-time monitoring system calculates monitoring pressure reduction is as follows:
P=P0+Pm=P0+k·M (1)
Wherein, P is monitoring pressure reduction, P0For filter initial differential pressure, PmFor laying dust pressure reduction, M is laying dust amount, and k is saturating pressure rate.
Above-mentioned formula (1) is the linear equation of monitoring pressure reduction and filter laying dust amount, during reflection pressure reduction is used with filter The direct corresponding relation of laying dust amount.
In the filter element that the exemplary operation of high efficiency particulate air filter real-time monitoring system in Fig. 2 embodiment of the present invention obtains external pressure with The linear graph of laying dust amount.Monitoring pressure reduction P is filter initial differential pressure P0With laying dust pressure reduction PmSum.Initial differential pressure P0For filter During brand-new filter element initial launch, the pressure differential at filter membrane two ends, is the intrinsic initial parameter of filter system, with filter blower fan work( Rate, wind path design, filter sizes/material/thickness are relevant, can carry out system calibrating when filter dispatches from the factory design.Laying dust pressure Difference PmSaturating pressure rate k for filter and the product of laying dust amount M.Pressure rate k is the sensitivity to laying dust for the filter thoroughly, by filter The factor impact such as the aperture micro structure of filter membrane, filter membrane surface amass, filter membrane package assembly, is the determiner of filter life, can To be measured when filter dispatches from the factory by producer or quality testing department.
The laying dust amount of described high efficiency particulate air filter real-time monitoring system can by real-time pressure reduction with below equation (2) in real time Accurately conversion expression:
Described high efficiency particulate air filter real-time monitoring system and method are capable of the actual working state of Real-time Feedback filter, for Laying dust amount is continually changing and is monitored filter in use, calculates and react the line of laying dust amount and air flow pressure reduction Sexual intercourse, quantitative instruction filter service life, it is applicable to the working environment of different dust content of airs.
The filter real work of the high efficiency particulate air filter real-time monitoring system of application present disclosure runs the example:
(1) efficient air purifier applying presently disclosed high efficiency particulate air filter real-time monitoring system is placed in and soars Dirt environment, for example, flour, manufacture of cement plant area.After two hours, filter differential pressures raise 79.7%, and laying dust amount reaches 2.46kg/m2.
(2) efficient air purifier applying presently disclosed high efficiency particulate air filter real-time monitoring system is placed in commonly Living environment, for example, areas of Beijing office building.It is more than in 300 haze weather in PM2.5, after continuously running 72 hours, filter Device pressure differential raises 4.1%, and laying dust amount reaches 0.13kg/m2.
(3) efficient air purifier applying presently disclosed high efficiency particulate air filter real-time monitoring system is placed in commonly Living environment, areas of Beijing office building.Clear well no in haze weather, continuous run 120 hours after, filter differential pressures are no bright Aobvious rising, laying dust amount is less than 0.01kg/m2.
Different from the market, by unified time rating counting indicator filter replacement technology.The present invention is using high Effect filter real-time monitoring system and method, the use state of truly expressed filter, to different use environments, science anti- Reflect the service life of filter.Fill up and improve the monitoring of high efficiency particulate air filter service life in depurator, and the algorithm with science Guidance and the service life of estimated filter, are easy to user and make rational judgement.The working condition of high efficiency particulate air filter and longevity The real-time monitoring of life and assessment, it also has huge diving in terms of high-accuracy processing, biology, medical contour clean working environment In using value.
It is understood that the embodiment of above principle being intended to be merely illustrative of the present and the exemplary enforcement adopting Mode, but the invention is not limited in this.For those skilled in the art, in the essence without departing from the present invention In the case of god and essence, various modifications and improvement can be made, these modifications and improvement are also considered as protection scope of the present invention.

Claims (7)

1. a kind of high efficiency particulate air filter real-time monitoring system is it is characterised in that include baroceptor, for detecting filter element two ends Pressure reduction in real time;Computing module, draws the real-time laying dust amount of filter element for computing.
2. high efficiency particulate air filter real-time monitoring system according to claim 1 is it is characterised in that described computing module calculates institute The formula stating real-time laying dust amount is as follows:
Wherein, P is the real-time pressure reduction at filter element two ends, P0For filter initial differential pressure, M is real-time laying dust amount, and k is filter element pressure rate thoroughly.
3. high efficiency particulate air filter real-time monitoring system according to claim 2 is it is characterised in that described high efficiency particulate air filter is real-time Monitoring system also includes storage device, for storing filter element technical parameter, real-time pressure reduction and real-time laying dust amount data.
4. the high efficiency particulate air filter real-time monitoring system according to Claims 2 or 3 is it is characterised in that described high efficiency particulate air filter Real-time monitoring system also includes smart electronicses display module, for showing the real-time pressure reduction at filter element two ends and real-time laying dust amount, and And the early warning value according to real-time laying dust amount, alarm is given when filter element life exhausts.
5. a kind of high efficiency particulate air filter method of real-time is it is characterised in that comprise the following steps:
Step one, monitors the real-time pressure reduction at detection filter element two ends by baroceptor;
Step 2, transfers the filter initial differential pressure of filter element and saturating pressure rate data;
Step 3, calculates real-time laying dust amount, and formula is as follows:
Wherein, P is the real-time pressure reduction at filter element two ends, P0For filter initial differential pressure, M is real-time laying dust amount, and k is filter element pressure rate thoroughly.
6. high efficiency particulate air filter method of real-time according to claim 5, it is characterised in that also including step 4, passes through Laying dust amount and the early warning value of setting are compared in real time, when exceeding early warning value, point out to change filter element.
7. a kind of high efficiency particulate air filter is it is characterised in that usage right requires the high efficiency particulate air filter real-time monitoring system described in 4.
CN201610784709.4A 2016-08-30 2016-08-30 Real-time monitoring system and method for high-efficiency filter, and filter Pending CN106403086A (en)

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106871353A (en) * 2017-02-22 2017-06-20 深圳市佳洁农业投资发展有限公司 Storehouse management monitoring system and method
CN107560076A (en) * 2017-08-31 2018-01-09 广东美的环境电器制造有限公司 The determination method and device of filter screen service life, clarifier, computer-readable storage medium
CN109269013A (en) * 2018-09-11 2019-01-25 皓庭(唐山)环境科技有限公司 The service life monitoring method and device of filter core
US10363510B1 (en) 2018-06-01 2019-07-30 Ford Global Technologies, Llc Climate control filter monitoring system and method of monitoring the useful life of a climate control system filter
CN111076362A (en) * 2019-12-09 2020-04-28 珠海格力电器股份有限公司 Method and device for controlling fresh air machine to alarm, storage medium and processor
CN113198269A (en) * 2021-03-17 2021-08-03 哈尔滨工业大学(威海) Movable multifunctional diesel engine tail gas particle trapping device and application
WO2022027833A1 (en) * 2020-08-03 2022-02-10 天佑电器(苏州)有限公司 Dust amount prompting method and system, vacuum cleaner, and readable storage medium

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US20060058924A1 (en) * 2003-12-18 2006-03-16 Shah Rajendra K Detection of clogged filter in an HVAC system
CN201837027U (en) * 2010-09-30 2011-05-18 中山生物工程有限公司 Monitoring device for medium efficiency filter of central air conditioner
CN104833051A (en) * 2015-04-28 2015-08-12 广东美的制冷设备有限公司 Detection method and detection device for dust deposition degree of filter screen as well as air regulating equipment
CN105605732A (en) * 2015-12-23 2016-05-25 广东美博制冷设备有限公司 Air-conditioner dust displaying and alarming device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060058924A1 (en) * 2003-12-18 2006-03-16 Shah Rajendra K Detection of clogged filter in an HVAC system
CN201837027U (en) * 2010-09-30 2011-05-18 中山生物工程有限公司 Monitoring device for medium efficiency filter of central air conditioner
CN104833051A (en) * 2015-04-28 2015-08-12 广东美的制冷设备有限公司 Detection method and detection device for dust deposition degree of filter screen as well as air regulating equipment
CN105605732A (en) * 2015-12-23 2016-05-25 广东美博制冷设备有限公司 Air-conditioner dust displaying and alarming device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106871353A (en) * 2017-02-22 2017-06-20 深圳市佳洁农业投资发展有限公司 Storehouse management monitoring system and method
CN107560076A (en) * 2017-08-31 2018-01-09 广东美的环境电器制造有限公司 The determination method and device of filter screen service life, clarifier, computer-readable storage medium
US10363510B1 (en) 2018-06-01 2019-07-30 Ford Global Technologies, Llc Climate control filter monitoring system and method of monitoring the useful life of a climate control system filter
CN109269013A (en) * 2018-09-11 2019-01-25 皓庭(唐山)环境科技有限公司 The service life monitoring method and device of filter core
CN111076362A (en) * 2019-12-09 2020-04-28 珠海格力电器股份有限公司 Method and device for controlling fresh air machine to alarm, storage medium and processor
WO2022027833A1 (en) * 2020-08-03 2022-02-10 天佑电器(苏州)有限公司 Dust amount prompting method and system, vacuum cleaner, and readable storage medium
CN113198269A (en) * 2021-03-17 2021-08-03 哈尔滨工业大学(威海) Movable multifunctional diesel engine tail gas particle trapping device and application
CN113198269B (en) * 2021-03-17 2023-04-07 哈尔滨工业大学(威海) Movable multifunctional diesel engine tail gas particle trapping device and application

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Application publication date: 20170215