CN107869800A - A kind of wall-mounted air purification device and its control method - Google Patents

A kind of wall-mounted air purification device and its control method Download PDF

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Publication number
CN107869800A
CN107869800A CN201610850496.0A CN201610850496A CN107869800A CN 107869800 A CN107869800 A CN 107869800A CN 201610850496 A CN201610850496 A CN 201610850496A CN 107869800 A CN107869800 A CN 107869800A
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China
Prior art keywords
air
room
purification
air channel
blower fan
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CN201610850496.0A
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Chinese (zh)
Inventor
于化龙
王长宝
罗浩
张静
胡广朋
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Jiangsu University of Science and Technology
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Jiangsu University of Science and Technology
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Priority to CN201610850496.0A priority Critical patent/CN107869800A/en
Publication of CN107869800A publication Critical patent/CN107869800A/en
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    • 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
    • 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
    • F24F8/108Treatment, 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
    • 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
    • F24F8/15Treatment, 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 by chemical means
    • F24F8/158Treatment, 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 by chemical means using active carbon
    • 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

Abstract

The invention discloses a kind of wall-mounted air purification device and its control method, the clarifier includes the closed cabin for being divided into left and right thermal regeneration room and air purifying room, located at the bi-directional flow sensor of air purifying room, two-way blower fan, efficient renewable VOCs and methyl aldehyde adsorption material, low efficient filter, heater and the first temperature sensor in thermal regeneration room, control five air valves in air channel, second temperature sensor located at interior, with the relief valve communicated on the bulkhead of thermal regeneration room with outdoor, methods described is, using timing plus temp measuring method control of sewage disposal duration, ensure that blowdown terminates temperature in rear deck and is adapted with indoor temperature, using when carrying out the desorption decontamination time needed for the accumulative clarification time close to setting when standby, timing wake-up is desorbed blowdown;Also there is the not smooth alarm prompt facility of dedusting.A kind of simple in construction, easy to operate, safety and stability of the invention, there is provided permanently effective mode to purify the air of a room.

Description

A kind of wall-mounted air purification device and its control method
Technical field
The invention belongs to Techniques for Indoor Air Purification field, the wall-mounted air purification device knot more particularly to based on hot recycling Structure designs and its control method.
Background technology
With the high speed development of Chinese Urbanization, the annual newly-built enormous amount of building, increasing Novel decoration material And chemical products are applied to interior decoration dress and drilled.It is organic that these new indoor finishing materials often discharge a large amount of volatility The pollutant such as thing (VOCs) and formaldehyde, causes serious indoor pollution.According to statistics, after finishing, formaldehyde and VOCs in newly constructed house Content is largely exceeded.
Volatile organic matter (VOCs) and formaldehyde significantly affect comfortable, the healthy and operating efficiency of people.Volatility is organic Thing causes stimulus to the sense organ to human body, dries human body sensory, stimulates eye mucous membrane, schneiderian membrance, respiratory tract and skin etc.;Make one to produce The discomfort such as headache, weak, drowsy.The pollutants such as alcohol, aromatic hydrocarbon and aldehydes can produce thorn to mucous membrane and the upper respiratory tract Swash;Many VOC such as benzene, tetrachloro-ethylene, trichloroethanes, trichloro ethylenes etc. may be related to cancer.
In addition, formaldehyde is typical pollutant in China room.Oneself confirmation formaldehyde of the World Health Organization is carcinogenic and teratogenesis Material, for one of potential strong mutagen.Long Term Contact low dosage formaldehyde can cause chronic respiratory disease, trigger nasopharynx Cancer, colon cancer, paramenia etc..Especially, formaldehyde is bigger for children, pregnant woman's harm, can cause the pregnancy syndrome of pregnant woman, Cause neonatal chromosome disorder, leukaemia so that teenager's memory and intelligence decline etc..
The time life more than 80% in life of people is indoors.Therefore, the pollutants such as indoor VOCs and formaldehyde are carried out Purify particularly necessary.For this reason, it may be necessary to suitable air purifier is chosen to eliminate harm of these indoor pollutants to human body.
Current indoor purification techniques mainly includes ventilation, absorption, photochemical catalytic oxidation and plasma technology etc..Wherein adsorption material Material the advantage such as no harmful side product, is most widely used due to relatively low with cost in the market.However, due to sorbing material Adsorption capacity is limited, and sorbing material will often be taken out by, which needing, is desorbed, and otherwise will be had a strong impact on clean-up effect, and be made adsorption air The life cycle of clarifier is shorter, and frequently changes sorbing material trouble.When this make it that adsorption cleaning device is difficult to realize longer Between application.Therefore, this key issue of solution adsorbent saturation in technique is needed badly.
It is well-known:It is the method that skilled person generally uses that heating desorption is used to sorbing material, in order to overcome The defects of adsorption cleaning device needs frequently to change sorbing material, and the method being desorbed is heated according to sorbing material, currently there are public affairs Open document and record the new-type adsorption cleaning device integrated with thermal desorption function, as number of patent application is: 201510898501.0 a kind of wall-mounted air purification device and its purification method based on hot recycling, user selects as needed To indoor purifying or force ventilation, when selection is to indoor purifying function, blowdown after thermal desorption will be carried out in the course of work, will be elected to Select a good opportunity tool ventilation function when, outdoor fresh air is introduced it is indoor, but the wall-mounted air purification device and its purification method exist it is as follows Defect:(1) because only that when heating is desorbed (hot recycling mode period), close that to be possible to pressure in closed cabin excessive, and by In anti-device damage with relief valve be arranged on clarifier closed cabin air purifying room to interior wall on, once therefore relief valve Pressure release is opened, just the high air of Cabin contamination thing concentration is let out to interior, makes indoor composition secondary pollution, and work as purification of air Air valve between room and thermal regeneration room is closed and the air valve of outdoor is led in closing shape in thermal regeneration room When state, i.e. clarifier are in purification pattern, to the electrical heating wire heating control circuit generation high temperature out of control in thermal regeneration room, and Temperature sensor in thermal regeneration room damages again, in the thermal regeneration room now closed caused pressure be possible to it is excessive and Device is damaged, because being arranged on air purifying room this moment can not possibly work to relief valve on the wall of interior;(2) will can not adsorb Dust on low efficient filter is arranged to outdoor;(3) because of the air being provided at the top of air purifying room opened under blowdown pattern Valve, and the air valve for being provided in air purifying room bottom is closed, therefore the air containing pollutant being desorbed in purification of air room can not It can be completely exhausted out, it is also possible to arrange to interior, form secondary pollution;(4) because that is opened under fresh air pattern is provided in purification of air The air valve of room bottom, and the air valve being provided at the top of air purifying room is closed, therefore outdoor fresh air can not possibly be through air channel master Interior is introduced in body after filtering module purification, but straight-through interior is purified without filtering module;(5) it is fixed because using pure timing blowdown When the time there may be long or too short, as winter there may exist the overlong time of timing, summer there may exist timing The heat that time is pass in nacelle does not dissipate;(6) because thermal desorption needs one or two hour, and air purifier is used to room air Set during purification when reaching when needing desorption time of setting to indoor air purification institute's cumulative time, pause is adopted to Interior Space Gas purifies, and carries out desorption blowdown, it is well known that:It typically someone will exist in room when purifying room air, therefore taken off The people that interior can be influenceed during attached blowdown cannot breathe cleaned air.And it is well-known, it is indoor only in purification of air or ventilation, Air purifier can be just operated under corresponding pattern, and otherwise, air purifier is in holding state, wait user to open corresponding Pattern, i.e. air purifier select purification pattern to open, then enter and purify in holding state, wait corresponding modes operation, user The pattern course of work, user selects fresh air pattern to open, then into the fresh air pattern course of work;User closes purification pattern and new During wind pattern, air purifier enters holding state.
The content of the invention
The purpose of the present invention is to overcome oneself to have the weak point of technology, proposes a kind of wall-mounted air purification device and its control Method processed, timing will not also be had and in real time to thick to indoor formation secondary pollution, existing desorption decontamination function by having during pressure release Filter dedusting (deashing) function is imitated, and using timing plus temp measuring method control of sewage disposal time length;And also have standby When carrying out the desorption decontamination time needed for the accumulative clarification time close to setting, then timing wake-up is desorbed blowdown automatically, if Clarification time does not decontaminate time, but institute of the accumulative clarification time with ventilation time sum close to setting close to desorption needed for setting When need to carry out the dedusting time, then timing wake-up automatic dust removing.
In order to realize above-mentioned purpose, the technical scheme is that:
A kind of wall-mounted air purification device, including:Closed cabin, blower fan, the first automatically controlled air valve to the 5th automatically controlled air valve, Low efficient filter, efficiently renewable VOCs and methyl aldehyde adsorption material, heater, flow sensor, VOCs sensors, the first temperature Sensor, second temperature sensor, control processor unit, relief valve;The flow sensor, VOCs sensors, the first temperature Degree sensor and second temperature sensor are connected with the input of control processor unit respectively;The blower fan, heater, One automatically controlled air valve to the 5th automatically controlled air valve is connected with the output end of control processor unit respectively;The closed cabin with The left and right thermal regeneration room for being set to be isolated with thermal insulation board and air purifying room, isolate thermal regeneration room and air purifying room it Between thermal insulation board upper and lower end be respectively equipped with air channel, isolate thermal regeneration room and air purifying room pass through set by thermal insulation board upper and lower end Air channel communicate;The upper and lower wall of air purifying room is respectively equipped with that wind is logical to be communicated with interior;On the bulkhead of the thermal regeneration room The air channel communicated in a manner of through walls with outside atmosphere is provided with the position corresponding with thermal insulation board lower end air channel;Described first is automatically controlled The wind that air valve is placed in set by purification of air chamber upper wall leads to, and the second automatically controlled air valve is placed in set by air purifying room lower wall Wind leads to, the wind set by the upper end for the thermal insulation board that the 3rd automatically controlled air valve is placed between isolation thermal regeneration room and air purifying room Road, the wind set by the lower end for the thermal insulation board that the 4th automatically controlled air valve is placed between isolation thermal regeneration room and air purifying room Road, the 5th automatically controlled air valve be placed in that the position corresponding with thermal insulation board lower end air channel on the bulkhead of thermal regeneration room set to wear The air channel that wall mode communicates with outside atmosphere;The heater and the first temperature sensor are from top to bottom sequentially arranged at heating again It is raw indoor;The low efficient filter, efficiently renewable VOCs and methyl aldehyde adsorption material, blower fan, VOCs sensors from the bottom to top according to It is secondary to be arranged in purification of air room, and low efficient filter is arranged between isolation thermal regeneration room and air purifying room under thermal insulation board The set air channel space above in end, assembling is between isolation thermal regeneration room and air purifying room set by thermal insulation board upper end Space below air channel;Characterized in that, described relief valve is installed on the bulkhead of thermal regeneration room, pass through mode through walls and room Outer air communicates;The second temperature sensor is installed on interior, and the flow sensor is placed in set by purification of air chamber upper wall The wind put leads to.
Above-described blower fan is Bidirectional axial flow fan, and during Positive work, purification of air indoor air flow flows from the bottom to top, Inversely during (reverse) operating, purification of air indoor air flow from top to bottom flows.
Above-described flow sensor, from bi-directional flow sensor, so as to ensure that the positive and negative flowing of air can survey Amount, it is positive and negative when not considering direction to measure simply representing without one numerical value of symbol for flow.
Above-described first automatically controlled air valve and the second automatically controlled air valve selection are single automatically controlled open type electromagnetic air valve, 3rd automatically controlled air valve and the 4th automatically controlled air valve and the 5th automatically controlled air valve selection are single automatically controlled closed type electromagnetic air valve.
Above-described heater selects PTC heaters, it is ensured that adstante febre will not naked light.
Above-described low efficient filter and efficiently renewable VOCs and methyl aldehyde adsorption material form air-purifying module;Slightly Imitate conventional products of the filter from convenient installation, such as there is the screen pack of fire resistance fibre, be mainly used in particulate matter, i.e., it is main It is used to adsorb dust, filters out the dust in air;Efficient renewable VOCs and methyl aldehyde adsorption material are for convenience of the routine installed A shaped activated carbon be filling adsorption material, for volatile organic matter (VOCs) and formaldehyde absorbing.
Above control processor unit is used for:The first automatically controlled air valve is controlled to the 5th automatically controlled air valve ON/OFF, control shaft The positive and negative operating and stopping of flow fan, control the ON/OFF and temperature adjustment of heater, and pass through the first temperature sensor pair In cabin temperature detect, by second temperature sensor to indoor air temperature detect, by VOCs sensors in cabin in upper wall outlet Air V OCs Concentration Testings, and cabin inner outlet air mass flow is monitored by flow sensor;Control processor unit includes MCU (micro-control unit) unit, data storage, real-time clock, display, buzzer, include purification pattern and fresh air mould The keyboard of formula selection key and the various input/output interfaces that are connected with peripheral hardware etc., are additionally provided with purification in control processor unit The accumulative timing unit of operation, the accumulative timing unit of ventilation operation and air mass flow threshold values memory cell, and for being desorbed, removing The dirty, timing unit of dedusting, control processor unit is according to the purification pattern or fresh air pattern of selection to automatically controlled air valve, wind Machine, heater carry out corresponding running status control, and accordingly controlled according to the temperature of measurement, flow results and timing situation System, send display to show cabin inner outlet air V OCs Concentration Testings by VOCs sensors.Alarm is sent by buzzer to carry Show.
In order to realize above-mentioned purpose, another technical scheme of the invention is:
A kind of control method of wall-mounted air purification device, is, comprises the following steps:
1) the accumulative timing unit of purification operation and the accumulative timing unit of ventilation operation and air stream that initial value is zero are provided with Measure threshold values memory cell, working method is provided with purification pattern and fresh air pattern, when selecting purification pattern setting air purifier according to Secondary circulation work sets air purifier circulation industrial successively in purification, desorption, blowdown three phases process, selection fresh air pattern Make in two ventilation, dedusting phase process;
2) when initially enabling air purifier, air mass flow threshold values is configured:Pin air mass flow threshold values set by After button 10S, control processor unit controls the first automatically controlled air valve to be opened to the 4th automatically controlled air valve and blower fan by control signal The air channel on the upper and lower wall of air purifying room is opened, closes wind set by thermal insulation board upper and lower end between thermal regeneration room and air purifying room Road, and blower fan Positive work is controlled, the purification of air chamber upper wall air channel that control processor unit is measured by flow sensor is empty Throughput is set as air mass flow threshold values, and the air mass flow threshold values measured is preserved to air mass flow threshold values memory cell, no Then, air mass flow threshold values memory cell remains just value zero;
3) when air purifier is in holding state, setting is standby to reach 30min, reads the accumulative timing of purification operation Control is identified in the time that the time and the accumulative timing unit of ventilation operation that unit adds up add up:
When recognize the time that the accumulative timing unit of purification operation add up be more than or equal to set needed for be desorbed When decontaminating the 80% of time, automatically wake up air purifier and carry out desorption decontamination, and remove the accumulative timing unit institute of purification operation The accumulative time,
When recognize the time that the accumulative timing unit of purification operation add up be less than set needed for carry out desorption decontamination Time 80% when, retain the time that the accumulative timing unit of purification operation add up, the purification operation of reading added up into timing list The time that the time that member adds up adds up with the accumulative timing unit of ventilation operation read is added, if sum is more than or equal to The 80% of the required carry out dedusting time of setting, automatically wake up air purifier and carry out dedusting, and remove the accumulative meter of ventilation operation The time that Shi Danyuan adds up, otherwise, keep standby, and retain the time that the accumulative timing unit of ventilation operation adds up,
(3) removed during the air purifier automatically waken up carries out desorption decontamination with the air purifier automatically waken up During dirt, there is the operation of purification pattern or fresh air pattern, the control process after the corresponding running automatically waken up terminates is set Device unit responds corresponding modes, otherwise, after the corresponding running automatically waken up terminates, immediately enters holding state;
4) air purifier carries out purification pattern or the operation of fresh air pattern, wakes up enter accordingly immediately in holding state Pattern.
Air purifier is set during above-described selection purification pattern, and circulation work is being purified, is being desorbed, blowdown three successively Individual phase process, there are following steps:
1) cleansing phase
(1) control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan by control signal, Air channel on the upper and lower wall of air purifying room of open and close, close thermal regeneration room and the spaced heat of air purifying room of unlatching Air channel set by plate upper and lower end, and the air channel communicated with outside atmosphere is closed on the bulkhead of thermal regeneration room, control blower fan is just To operating, purification of air indoor air flow is set to flow from the bottom to top, room air passes through after being flowed into by air purifying room lower wall upper air duct Got in after filtering and adsorption treatment from upper wall upper air duct, to indoor air purification, and accumulative timing unit is run to purification Accumulative timing is carried out, the time and pass through flow sensing that control processor unit adds up according to the accumulative timing unit of purification operation Device is controlled air mass flow monitoring situation in cabin as follows:
A) when purification, which is run, to be added up to carry out the desorption decontamination time needed for the not up to setting of timing unit institute's cumulative time, Control processor unit is continued to monitor to air mass flow in cabin by flow sensor and compared with the air mass flow threshold values of setting, Set it is to be monitored to air mass flow be less than air mass flow threshold values 80% when, assert air purifier in low efficient filter block, To indoor air purification, the accumulative timing unit of pause purification operation adds up the time that timing simultaneously keeps adding up for pause, into net The step of change stage (2),
B) when purification operation accumulative timing unit institute's cumulative time reaches, and the desorption decontamination time is carried out needed for setting, temporarily Stop to indoor air purification, the accumulative timing unit of pause purification operation adds up timing and removes the time added up, into purification Mode step 2) desorption stage,
(2) control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan by control signal, To low efficient filter dedusting in air purifier, the air channel closed on air purifying room lower wall, thermal regeneration room and air are opened Air channel set by thermal insulation board lower end between clean room, and open the wind communicated on the bulkhead of thermal regeneration room with outside atmosphere Road, blower fan reversed operation is controlled, makes room air through set air channel air inlet clean room on purification of air chamber upper wall, by up to Lower flowing, between heated regeneration room and air purifying room air channel set by thermal insulation board lower end on the bulkhead of thermal regeneration room with outdoor Air communicates set air channel, arranges to outdoor, so as to which the dust adsorbed on low efficient filter is discharged into outside atmosphere, is set in blower fan When the absolute value to be monitored to air mass flow is more than or equal to the 95% of air mass flow threshold values in reversed operation 20min, stop blower fan Antikinesis, return cleansing phase the step of (1), otherwise, treat blower fan reversed operation 20min to progress alarm;
2) desorption stage
Control processor unit by control signal control the first automatically controlled air valve to the 5th automatically controlled air valve, heater and Blower fan, the air channel on lower wall in air purifying room is closed, opens thermal insulation board upper and lower side between thermal regeneration room and air purifying room Set air channel, and keep communicating set air channel closing on the bulkhead of thermal regeneration room with outside atmosphere, blower fan Positive work is kept, Keep purification of air indoor air flow to flow from the bottom to top, air themperature in cabin is carried out by the first temperature sensor to continue prison Survey, control heater heating, air themperature in cabin is maintained setting value, air is heated by heater, the air warp after heating Sorbing material is crossed, promotes the desorption of the VOCs and formaldehyde adsorbed in efficiently renewable VOCs and methyl aldehyde adsorption material, waits to be desorbed The stage running time reach complete desorption processing needed for setting time when into purification pattern step 3) the blowdown stage,
3) the blowdown stage
Control processor unit by control signal control the first automatically controlled air valve to the 5th automatically controlled air valve, heater and Blower fan, controlled as follows:
(1) heater is first shut off, opens and communicates set air channel on the bulkhead of thermal regeneration room with outside atmosphere, and open Set air channel on air purifying room lower wall, air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room is closed, protected Hold air channel set by thermal insulation board upper end between thermal regeneration room and air purifying room to open, keep set wind on purification of air chamber upper wall Road is closed, and keeps blower fan Positive work, that is, keeps purification of air indoor air flow to flow from the bottom to top, dirty gas warp in purification of air room Air channel set by thermal insulation board upper end with outside atmosphere to communicating on the bulkhead of thermal regeneration room between thermal regeneration room and air purifying room Set air channel, arrange to outdoor, room air is by set air channel on the lower wall of the purified room of air to the purified indoor benefit of air Fill, the step of blowdown stage is entered when the blowdown stage, the blower fan Positive work time reached 10min (2),
(2) set air channel on purification of air chamber upper wall is opened, and opens the spaced heat of thermal regeneration room and air purifying room Air channel set by plate lower end, set air channel on air purifying room lower wall is closed, close thermal regeneration room and the interval of air purifying room Air channel set by hot plate upper end, keep communicating set air channel unlatching on the bulkhead of thermal regeneration room with outside atmosphere, control blower fan is reverse Operating, change purification of air indoor air flow flow direction, purification of air indoor air flow from top to bottom flows, dirty gas warp in purification of air room Air channel set by thermal insulation board lower end with outside atmosphere to communicating on the bulkhead of thermal regeneration room between thermal regeneration room and air purifying room Set air channel, arrange to outdoor, room air by air channel set by the upper wall of the purified room of air to the purified indoor supplement of air, The dust adsorbed on low efficient filter is discharged into outside atmosphere while room blowdown purified to air, treats that blowdown stage blower fan is anti- The step of entering the blowdown stage when reaching 10min to the duration of runs (3),
(3) control processor unit is continued to monitor by the first temperature sensor to air themperature in cabin, passes through second Temperature sensor continues to monitor to indoor air temperature, and absolute value to be monitored to temperature in cabin and indoor temperature difference≤ Step 1) cleansing phase is returned at 1 DEG C.
It is above-described selection fresh air pattern when set air purifier successively circulation work ventilation, two stages of dedusting Process, there is following control:
Control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan by control signal, closes Set air channel on air purifying room lower wall is closed, closes air channel set by thermal insulation board upper end between thermal regeneration room and air purifying room, Air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room is opened, opens set wind on purification of air chamber upper wall Road, the air channel communicated on the bulkhead of thermal regeneration room with outside atmosphere is opened, and enter following steps:
1) ventilating stage
Blower fan Positive work is controlled, to room ventilation, and accumulative timing unit is run to ventilation and carries out accumulative timing, air Purification indoor air flow is flowed from the bottom to top, and outdoor air is flowed by the air channel communicated on the bulkhead of thermal regeneration room with outside atmosphere By air inlet clean room in air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room, filtered and suction after entering Got in after attached processing from purification of air chamber upper wall upper air duct, control processor unit runs accumulative timing unit according to ventilation Time for adding up and situation is monitored to air mass flow in cabin by flow sensor controlled as follows:
(1) set when until the ventilating stage operation cumulative time reaches the required carry out dedusting time of setting, suspend to room Interior ventilation, pause blower fan is positive to be run, that is, is suspended simultaneously clear to room ventilation, the accumulative timing of the accumulative timing unit of pause ventilation operation Except the added up time, into step 2) the dedusting stage of fresh air pattern,
(2) set when ventilation runs the accumulative timing unit cumulative time and is not up to the required carry out dedusting time set, control Processor unit processed is continued to monitor to air mass flow in cabin by flow sensor and compared with the air mass flow threshold values of setting, if Put it is to be monitored to air mass flow be less than air mass flow threshold values 80% when, assert air purifier in low efficient filter block, temporarily The positive operation of blowing-out machine, that is, suspend and are added up by timing and keeps adding up for room ventilation, the accumulative timing unit of pause ventilation operation Time, into step 2) the dedusting stage of fresh air pattern;
2) the dedusting stage
Control processor unit controls blower fan reversed operation by control signal, makes purification of air indoor air flow from top to bottom Flowing, room air from top to bottom flow, heated regeneration through set air channel air inlet clean room on purification of air chamber upper wall Air channel set by thermal insulation board lower end is to communicating set air channel with outside atmosphere on the bulkhead of thermal regeneration room between room and air purifying room, Arrange to outdoor, so as to which the dust adsorbed on low efficient filter is discharged into outside atmosphere, is set in blower fan reversed operation 20min and treats When monitoring that the absolute value of air mass flow is more than or equal to the 95% of air mass flow threshold values, stop blower fan antikinesis, return to fresh air Step 1) the ventilating stage of pattern, otherwise, treat blower fan reversed operation 20min to progress alarm.
The above-described air purifier that automatically wakes up carries out desorption decontamination, comprises the following steps:
1) it is desorbed
Control processor unit outputs control signals to the first automatically controlled air valve to the 5th automatically controlled air valve, heater and wind Machine, the air channel closed on the upper and lower wall of air purifying room, open thermal insulation board upper and lower end between thermal regeneration room and air purifying room Set air channel, close on the bulkhead of thermal regeneration room and set air channel is communicated with outside atmosphere, control blower fan Positive work, control sky Gas purification indoor air flow is flowed from the bottom to top, and air themperature in cabin is continued to monitor by the first temperature sensor, controlled Heater heats, and air themperature in cabin is maintained setting value, air is heated by heater, and the air after heating passes through adsorption material Material, promote the desorption of the VOCs and formaldehyde adsorbed in efficiently renewable VOCs and methyl aldehyde adsorption material, run time to be desorbed Enter step 2) during the time required for reaching the completion desorption processing of setting;
2) decontaminate
Control processor unit control processor unit outputs control signals to the first automatically controlled air valve to the 5th automatically controlled sky Air valve, heater and blower fan:
(1) heater is closed, opens and communicates set air channel on the bulkhead of thermal regeneration room with outside atmosphere, and open air Set air channel on clean room's lower wall, air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room is closed, keep adding Air channel set by thermal insulation board upper end is opened between hot recycling room and air purifying room, keeps set air channel on purification of air chamber upper wall to close Close, keep blower fan Positive work, that is, keep purification of air indoor air flow to flow from the bottom to top, dirty gas is heated in purification of air room Air channel set by thermal insulation board upper end is set to being communicated with outside atmosphere on the bulkhead of thermal regeneration room between regeneration room and air purifying room Air channel, arrange and, to the purified indoor supplement of air, treated by set air channel on the lower wall of the purified room of air to outdoor, room air Enter next step (2) when the blower fan Positive work time reaches 10min in decontamination,
(2) set air channel on purification of air chamber upper wall is opened, and opens the spaced heat of thermal regeneration room and air purifying room Air channel set by plate lower end, set air channel on air purifying room lower wall is closed, close thermal regeneration room and the interval of air purifying room Air channel set by hot plate upper end, keep communicating set air channel unlatching on the bulkhead of thermal regeneration room with outside atmosphere, control blower fan is reverse Operating, change purification of air indoor air flow flow direction, purification of air indoor air flow from top to bottom flows, dirty gas warp in purification of air room Air channel set by thermal insulation board lower end with outside atmosphere to communicating on the bulkhead of thermal regeneration room between thermal regeneration room and air purifying room Set air channel, arrange to outdoor, room air by air channel set by the upper wall of the purified room of air to the purified indoor supplement of air, The dust adsorbed on low efficient filter is discharged into outside atmosphere while room blowdown purified to air, blower fan is set in and inversely transports When turning the absolute value to be monitored to air mass flow in 20min and being more than or equal to the 95% of air mass flow threshold values, into next step (3), Otherwise, 20min does not monitor that the absolute value of air mass flow is more than or equal to the 95% of air mass flow threshold values, then carries out alarm and carry Show,
(3) control processor unit is continued to monitor by the first temperature sensor to air themperature in cabin, passes through second Temperature sensor continues to monitor to indoor air temperature, and absolute value to be monitored to temperature in cabin and indoor temperature difference≤ Enter step (4) at 1 DEG C;
(4) when during the air purifier automatically waken up is desorbed and decontaminated, having recognized purification pattern or fresh air mould During the operation of formula, the corresponding modes to be monitored to response operation during absolute value≤1 DEG C of temperature in cabin and indoor temperature difference are no Then, holding state is entered during absolute value≤1 DEG C to be monitored to temperature in cabin and indoor temperature difference.
The above-described air purifier that automatically wakes up carries out dedusting, comprises the following steps:
1) dedusting
Control processor unit outputs control signals to the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan, closes Set air channel on air purifying room lower wall, air channel set by thermal insulation board upper end between thermal regeneration room and air purifying room is closed, is opened Air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room is opened, opens set air channel on purification of air chamber upper wall, The air channel communicated on the bulkhead of thermal regeneration room with outside atmosphere is opened, blower fan antiport is controlled, makes in purification of air room Air-flow from top to bottom flows, and room air from top to bottom flows through set air channel air inlet clean room on purification of air chamber upper wall It is dynamic, between heated regeneration room and air purifying room air channel set by thermal insulation board lower end on the bulkhead of thermal regeneration room with outside atmosphere Set air channel is communicated, is arranged to outdoor, so as to which the dust adsorbed on low efficient filter is discharged into outside atmosphere, it is reverse to be set in blower fan When the absolute value to be monitored to air mass flow is more than or equal to the 95% of air mass flow threshold values in operating 20min, into next step 2), otherwise, 20min does not monitor that the absolute value of air mass flow is more than or equal to the 95% of air mass flow threshold values, then is alarmed Prompting;
2) when during dedusting, recognizing the operation of purification pattern or fresh air pattern, blower fan reversed operation 20min is treated The corresponding modes of response operation, no when the interior absolute value to be monitored to air mass flow is more than or equal to the 95% of air mass flow threshold values Then, when the absolute value to be monitored to air mass flow in blower fan reversed operation 20min is more than or equal to the 95% of air mass flow threshold values Into holding state.
Above-described carry out alarm, it is that control processor unit by buzzer sends the sound and carries out alarm and carries Show, prompt user to search trouble point in time, it may be possible to which blower fan does not turn, rotating speed is slack-off, air channel blocking, or dust on low efficient filter The failure such as excessive.
Beneficial effect:
The present invention is not only realized to efficiently renewable VOCs and methyl aldehyde adsorption material desorption blowdown, also using in real time with meter When the method that is combined to low efficient filter dedusting (deashing), it is ensured that low efficient filter cleans, and employs the side of timing plus thermometric Method control of sewage disposal time length ensure that blowdown terminates temperature in rear deck and is adapted with indoor temperature, and because relief valve is installed on By being connected through wall with outside atmosphere on the bulkhead of thermal regeneration room, realize whenever temperature control causes in cabin High pressure can pressure release, and indoor formation secondary pollution will not be connect when also achieving standby when the accumulative clarification time during pressure release When the desorption decontamination time is carried out needed for closely setting, then timing wake-up is desorbed blowdown automatically, if the clarification time is not close to setting institute The decontamination time need to be desorbed, but when accumulative clarification time and the required carry out dedusting time of the close setting of ventilation time sum, then Timing wake-up automatic dust removing;And also fault alarm is prompted.Simple in construction, easy to operate, safety and stability, there is provided one of the invention The permanently effective mode to purify the air of a room of kind.
Brief description of the drawings
Fig. 1 is a kind of apparatus structure schematic diagram of wall-mounted air purification device of the present invention;
In figure:1. closed cabin, 2. blower fans, 3,4,5,6,7. first automatically controlled air valves to the 5th automatically controlled air valve, 8. thick effects Filter, 9. efficient renewable VOCs and methyl aldehyde adsorption material, 10. heaters, 11.VOCs sensors, 12,16. first temperature Sensor and second temperature sensor, 13. control processor units, 14. relief valves, 15. walls, 17. flow sensors, a. add Hot recycling room, b. air purifying rooms.
Embodiment
As shown in figure 1, a kind of wall-mounted air purification device, including:Closed cabin 1, blower fan 2, the first automatically controlled air valve 3 to Five automatically controlled air valves 7, efficiently low efficient filter 8, renewable VOCs and methyl aldehyde adsorption material 9, heater 10, VOCs sensors 11st, the first temperature sensor 12, second temperature sensor 16, control processor unit 13, relief valve 14, flow sensor 17; The VOCs sensors 11, flow sensor 17, the first temperature sensor 12 and second temperature sensor 16 respectively with control The input of reason device unit 13 is connected;The blower fan 2, heater 10, the first automatically controlled 3 to the 5th automatically controlled air valve 7 of air valve The output end with control processor unit 13 is connected respectively.
The closed cabin 1 is added with the left and right thermal regeneration room a and air purifying room b for being set to be isolated with thermal insulation board, isolation Thermal insulation board upper and lower end between hot recycling room a and air purifying room b is respectively equipped with air channel, isolates thermal regeneration room a and air is net Change room b to communicate by air channel set by thermal insulation board upper and lower end;It is respectively equipped with the upper and lower walls of air purifying room b and is communicated with interior Wind lead to;It is provided with the position corresponding with thermal insulation board lower end air channel on the bulkhead of the thermal regeneration room a and is led in a manner of through walls Cross the air channel that wall 15 (external wall) communicates with outside atmosphere;The first automatically controlled air valve 3 is placed on air purifying room b upper walls Set to indoor wind leads to, and the first automatically controlled air valve 3 controls set to the logical ON/OFF of indoor wind on air purifying room b upper walls; The second automatically controlled air valve 4 is placed in the set wind to interior on air purifying room b lower walls and led to, and the second automatically controlled air valve 4 is controlled It is set to the logical ON/OFF of indoor wind on air purifying room b lower walls processed;The 3rd automatically controlled air valve 5 is placed in isolation thermal regeneration The air channel that thermal insulation board upper end between room a and air purifying room b is set, the 3rd automatically controlled control of air valve 5 isolation thermal regeneration room a Air channel ON/OFF between air purifying room b set by thermal insulation board upper end;The 4th automatically controlled air valve 6 is placed in isolation heating again The air channel that thermal insulation board lower end between raw room a and air purifying room b is set, the 4th automatically controlled control of air valve 6 isolation thermal regeneration Air channel ON/OFF between room a and air purifying room b set by thermal insulation board lower end;The 5th automatically controlled air valve 7 is placed in thermal regeneration The air channel communicated in a manner of through walls with outside atmosphere that the position corresponding with thermal insulation board lower end air channel is set on room a bulkhead, 5th automatically controlled air valve 7 control that position corresponding with thermal insulation board lower end air channel on thermal regeneration room a bulkhead sets to wear The air channel ON/OFF that wall mode communicates with outside atmosphere;The temperature sensor 12 of heater 10 and first is from top to bottom pacified successively In a of thermal regeneration room;The low efficient filter 8, efficiently renewable VOCs and methyl aldehyde adsorption material 9, blower fan 2, VOCs are passed Sensor 11 is sequentially arranged in air purifying room b from the bottom to top, and low efficient filter 8 is arranged on isolation thermal regeneration room a and sky Air channel space above between gas clean room b set by thermal insulation board lower end, blower fan 2 is arranged on isolation thermal regeneration room a and air is net Space below air channel between change room b set by thermal insulation board upper end;Described relief valve 14 is installed on thermal regeneration room a bulkhead On, set air channel to be communicated with outside atmosphere by wall 15 (external wall) in a manner of through walls;Described second temperature sensor 16 Interior is installed on, for measuring indoor air temperature;The wind that the flow sensor 17 is placed in set by purification of air chamber upper wall leads to, and uses In in cabin in the flow measurement of air purifying room b upper wall outlet conduits.
The relief valve 14 is automatic decompression valve, for maintaining pressure stability in cabin, that is, is used for when pressure is excessive in cabin Releasing pressure automatically, so as to ensure that pressure is in safe range in cabin, in order to avoid the excessive damage device of pressure in cabin;Relief valve 14 is arranged on On thermal regeneration room a bulkhead, by being connected through wall 15 with outside atmosphere, both realize that thermal runaway causes pressure mistake in cabin When big relief valve 14 can releasing pressure automatically, it is outdoor big to ensure that the high air of the Cabin contamination thing concentration that relief valve 14 is released leads to again Gas, i.e., will not be to indoor composition secondary pollution when relief valve 14 is released.
First automatically controlled 3 to the 5th automatically controlled air valve 7 of air valve is two-way air valve, the first automatically controlled air valve 3 to The ON/OFF control terminal of five automatically controlled air valves 7, is connected with the output end of control processor unit 13 respectively, control processor unit 13 export corresponding control signal according to condition to corresponding automatically controlled air valve, realize ON/OFF, air valve is opened when opening, and closes space-time Air valve is closed, so as to realize the controlled corresponding air channel of automatically controlled air valve ON/OFF;First automatically controlled air valve 3 and second in the present invention Automatically controlled air valve 4 is from single automatically controlled open type electromagnetic air valve, the 3rd automatically controlled air valve 5, the 4th automatically controlled electricity of air valve 6 and the 5th Air valve 7 is controlled from single automatically controlled closed type electromagnetic air valve.
First temperature sensor 12 is used to detect temperature in closed cabin 1, and the first temperature sensor 12 is installed on heating In regeneration room a spaces, the thermal insulation board lower end air channel isolated between thermal regeneration room a and air purifying room b is arranged on, to heating again Pass through wall 15 (external wall) in a manner of through walls what the position corresponding with thermal insulation board lower end air channel was set on raw room a bulkhead Between the air channel communicated with outside atmosphere.Temperature in the closed cabin 1 measured when thermal regeneration room a and air purifying room b are communicated Represent temperature in air purifying room b;
The second temperature sensor 16 is used for the indoor temperature for detecting room, and second temperature sensor 16 is installed on should The device interior to be purified.
The signal of collection is transferred to control processor list by the first temperature sensor 12 and second temperature sensor 16 respectively Member 13 carries out processing control.
The low efficient filter 8 and efficiently renewable VOCs and methyl aldehyde adsorption material 9 form air-purifying module;Slightly imitated Filter 8 selects the conventional products of convenient installation, such as has the screen pack of fire resistance fibre, is mainly used in particulate matter, i.e., mainly For adsorbing dust, the dust in air is filtered out;Efficient renewable VOCs and methyl aldehyde adsorption material 9 are conventional for convenience of what is installed Shaped activated carbon is filling adsorption material, for volatile organic matter (VOCs) and formaldehyde absorbing.
The closed cabin 1 hangs (fixation) on wall 15 (exterior wall) inwall, and closed cabin 1 uses stainless steel environmental chamber, Bulkhead is double-decker, and heat preserving and insulating material is filled between two layers of bulkhead;Closed cabin 1 is arranged to left and right two locellus, that is, sets For thermal regeneration room a and air purifying room b two parts, thermal regeneration room a is used for heat and produced, and it is net that air purifying room b is used for air Change;Isolated between thermal regeneration room a and air purifying room b two parts by the thermal insulation board filled with heat-barrier material, heated The upper and lower end of thermal insulation board is equipped with air channel respectively between regeneration room a and air purifying room b two parts, makes thermal regeneration room a and sky Gas clean room b is connected;Air channel ON/OFF set by thermal insulation board upper end is controlled by the 3rd automatically controlled air valve 5, wind set by thermal insulation board lower end Road ON/OFF is controlled by the 4th automatically controlled air valve 6;It is equipped with air purifying room b upper wall and is controlled by the first automatically controlled air valve 3 The air channel communicated with room air of ON/OFF;Be equipped with air purifying room b lower wall opened by the second automatically controlled air valve 4 control/ The air channel communicated with room air closed;The upper end air channel of thermal insulation board is all disposed within blower fan 2 with air purifying room b upper wall air channel Upper part space;The lower end air channel of thermal insulation board is all disposed within air-purifying module with air purifying room b lower wall air channel Portion space.
The closed cabin 1 hung on the wall 15 of interior, sets and is provided with by the 5th on thermal regeneration room a bulkhead The air channel communicated through wall 15 and the external world of the automatically controlled control of air valve 7 ON/OFF, and set by a bulkheads of thermal regeneration room ON/OFF is controlled to be passed through wall 15 and the extraneous air channel position communicated by the 5th automatically controlled air valve 7, with thermal regeneration room a and sky The air channel position that thermal insulation board lower end is laid between gas clean room b two parts is corresponding, i.e., in same level.
The heater 10 is used to provide heat energy needed for desorption during hot recycling, ON/OFF control terminal and the control of heater 10 The output end of processor unit 13 is connected, and control processor unit 13 outputs control signals to heater 10, controls heater 10 ON/OFF and temperature adjustment;Heater 10 is added from PTC heaters (ptc heater) from PTC types ceramics in the present invention Hot device, it is ensured that adstante febre will not naked light.For making air themperature in cabin maintain 60 ± 5 DEG C in desorption.
The temperature sensor 12 of heater 10 and first is from top to bottom sequentially arranged in thermal regeneration room a space, And heater 10 is fixed on the upper and lower end laying of thermal insulation board between thermal regeneration room a and air purifying room b two parts by support Air channel partition on.
The blower fan 2 is Bidirectional axial flow fan, and blower fan 2 is arranged on the space of air purifying room b internal upper parts, i.e. blower fan 2 is pacified Loaded between the first automatically controlled air valve 3 in efficient renewable VOCs and methyl aldehyde adsorption material 9 and air channel, closed cabin 1 is fixed on On duct main.The control terminal of blower fan 2 is connected with the output of control processor unit 13.When control processor unit 13 Export positive control signal to blower fan 2 control terminal when, the Positive work of blower fan 2, i.e. wind direction is upward;When control processor unit 13 Output reverse control signal to blower fan 2 control terminal when, blower fan 2 reversely it is (reverse) operate, i.e., wind direction is downward;Work as control process The output closing control signal of device unit 13 to blower fan 2 control terminal when, blower fan 2 is closed, i.e., blower fan 2 shuts down.
The VOCs sensors 11 are installed in air purifying room b to upper wall ducting outlet, for measuring air purifying room b The VOCs concentration of upper wall ducting outlet air, is transferred to control processor unit 13 by the signal of collection and carries out processing and show.
The low efficient filter 8, efficiently renewable VOCs and methyl aldehyde adsorption material 9, blower fan 2, VOCs sensors 11 are under In the supreme air purifying room b for being sequentially arranged at closed cabin 1 space, and low efficient filter 8 is set to be arranged on thermal regeneration room a The air channel position space above that thermal insulation board lower end is laid between air purifying room b two parts, makes blower fan 2 be arranged on thermal regeneration Space below the air channel position that thermal insulation board upper end is laid between room a and air purifying room b two parts.
The flow sensor 17, from bi-directional flow sensor, so as to ensure that the positive and negative flowing of air can measure, when It is positive and negative when not considering direction to measure simply representing without one numerical value of symbol for flow;The output of flow sensor 17 and control process The input of device unit 13 is connected, and flow sensor 17 is installed in air purifying room b the top of VOCs sensors 11 to the first electricity Between controlling air valve 3, for control processor unit 13 by flow sensor 17 to upper wall air channel air-flow measurement in cabin; Flow sensor 17 can also be placed in air purifying room b upper walls air channel.
The control processor unit 13 is used for:The first automatically controlled 3 to the 5th automatically controlled ON/OFF of air valve 7 of air valve is controlled, is controlled Rotating forward, reversion and the stopping of axial flow blower 2 processed, the ON/OFF and temperature adjustment of heater 10 are controlled, and passed by the first temperature Sensor 12 detects to temperature in cabin, indoor air temperature is detected by second temperature sensor 16, by VOCs sensors 11 to cabin Inherent upper wall outlet air VOCs Concentration Testings, upper wall ducting outlet air mass flow in cabin is monitored by flow sensor 17; Control processor unit 13 includes MCU (micro-control unit) unit, data storage, real-time clock, display, buzzer, bag Keyboard containing purification pattern and fresh air mode selecting key and the various input/output interfaces that are connected with peripheral hardware etc., at control The accumulative timing unit of purification operation and the accumulative timing unit of ventilation operation and air that initial value is zero are additionally provided with reason device unit 13 Flow threshold values memory cell, and for being desorbed, decontaminating, the timing unit of dedusting;Control processor unit 13 is according to selection Purification pattern or fresh air pattern are accordingly run to the first automatically controlled air valve to the 6th automatically controlled air valve, blower fan 2,10 bodies of heating State controls, and is accordingly controlled according to the temperature of measurement, flow results and timing situation, by VOCs sensors in cabin Outlet air VOCs Concentration Testings send display to show;Alarm is sent by buzzer.Control processor unit 13 is installed It is easy to the place of human users close to closed cabin 1 indoors.
Air purifier is selected to be worked under purification pattern or fresh air pattern by the upper keyboard of control processor unit 13, when Air purifier is set during selection purification pattern, and circulation work is being purified, is being desorbed, blowdown three phases process successively;When selection is new Set air purifier to be operated in during wind pattern and outdoor fresh air is introduced to indoor phase process.
After air purifier is closed, setting 10min control processor units 13 do not recognize keyboard operation, then enter Holding state.
Accumulative timing when the accumulative timing unit of purification operation is used for indoor air purification, and set whenever purification is transported When the accumulative timing of the accumulative timing unit of row reaches 300h, desorption is carried out once to air-purifying module and is decontaminated;That is when The accumulative timing of the accumulative timing unit of purification operation reach needed for when carrying out the desorption decontamination time, one is carried out to air-purifying module Secondary desorption decontamination, and the desorption decontamination time is carried out needed for this and is set as 300h.
Accumulative timing when the accumulative timing unit of ventilation operation is used for room ventilation, and set whenever ventilation operation is tired When the accumulative timing of meter timing unit reaches 300h, one-time dedusting is carried out to air-purifying module;That is when ventilation is run When the accumulative timing of accumulative timing unit reaches the required progress dedusting time, to air-purifying module progress one-time dedusting, and this The required progress dedusting time is set as 300h.
When air purifier is desorbed, time 120min required for the completion desorption processing of setting, and set desorption Temperature should maintain 60 ± 5 DEG C in cabin during processing.
When initially enabling air purifier, air mass flow threshold values is configured:Pin air mass flow threshold values settings button After 10S, control processor unit controls the first automatically controlled air valve to the 4th automatically controlled air valve and blower fan by control signal, opens Air channel on the upper and lower wall of air purifying room, close wind set by thermal insulation board upper and lower end between thermal regeneration room and air purifying room Road, and blower fan Positive work is controlled, the air mass flow that control processor unit is measured by flow sensor in purification of air room It is set as air mass flow threshold values, and the air mass flow threshold values measured is preserved to air mass flow threshold values memory cell.
If being set without air mass flow threshold values, air mass flow threshold values memory cell remains just value zero.
A kind of control method of wall-mounted air purification device, comprises the following steps:
1) the accumulative timing unit of purification operation and the accumulative timing unit of ventilation operation and air stream that initial value is zero are provided with Measure threshold values memory cell, working method is provided with purification pattern and fresh air pattern, when selecting purification pattern setting air purifier according to Secondary circulation work sets air purifier circulation industrial successively in purification, desorption, blowdown three phases process, selection fresh air pattern Make in two ventilation, dedusting phase process;
2) when initially enabling air purifier, air mass flow threshold values is configured:Pin air mass flow threshold values set by After button 10S, control processor unit controls the first automatically controlled air valve to be opened to the 4th automatically controlled air valve and blower fan by control signal The air channel on the upper and lower wall of air purifying room is opened, closes wind set by thermal insulation board upper and lower end between thermal regeneration room and air purifying room Road, and blower fan Positive work is controlled, the purification of air chamber upper wall air channel that control processor unit is measured by flow sensor is empty Throughput is set as air mass flow threshold values, and the air mass flow threshold values measured is preserved to air mass flow threshold values memory cell, no Then, air mass flow threshold values memory cell remains just value zero;
3) when air purifier is in holding state, setting is standby to reach 30min, reads the accumulative timing of purification operation Control is identified in the time that the time and the accumulative timing unit of ventilation operation that unit adds up add up:
When recognize the time that the accumulative timing unit of purification operation add up be more than or equal to set needed for be desorbed When decontaminating the 80% of time, automatically wake up air purifier and carry out desorption decontamination, and remove the accumulative timing unit institute of purification operation The accumulative time,
When recognize the time that the accumulative timing unit of purification operation add up be less than set needed for carry out desorption decontamination Time 80% when, retain the time that the accumulative timing unit of purification operation add up, the purification operation of reading added up into timing list The time that the time that member adds up adds up with the accumulative timing unit of ventilation operation read is added, if sum is more than or equal to The 80% of the required carry out dedusting time of setting, automatically wake up air purifier and carry out dedusting, and remove the accumulative meter of ventilation operation The time that Shi Danyuan adds up, otherwise, keep standby, and retain the time that the accumulative timing unit of ventilation operation adds up,
(3) removed during the air purifier automatically waken up carries out desorption decontamination with the air purifier automatically waken up During dirt, there is the operation of purification pattern or fresh air pattern, the control process after the corresponding running automatically waken up terminates is set Device unit responds corresponding modes, otherwise, after the corresponding running automatically waken up terminates, immediately enters holding state;
4) air purifier carries out purification pattern or the operation of fresh air pattern, wakes up enter accordingly immediately in holding state Pattern.
Air purifier is set during above-described selection purification pattern, and circulation work is being purified, is being desorbed, blowdown three successively Individual phase process, there are following steps:
1) cleansing phase
(1) control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan by control signal, Air channel on the upper and lower wall of air purifying room of open and close, close thermal regeneration room and the spaced heat of air purifying room of unlatching Air channel set by plate upper and lower end, and the air channel communicated with outside atmosphere is closed on the bulkhead of thermal regeneration room, control blower fan is just To operating, purification of air indoor air flow is set to flow from the bottom to top, room air passes through after being flowed into by air purifying room lower wall upper air duct Got in after filtering and adsorption treatment from upper wall upper air duct, to indoor air purification, and accumulative timing unit is run to purification Accumulative timing is carried out, the time and pass through flow sensing that control processor unit adds up according to the accumulative timing unit of purification operation Device is controlled air mass flow monitoring situation in cabin as follows:
A) when purification, which is run, to be added up to carry out the desorption decontamination time needed for the not up to setting of timing unit institute's cumulative time, Control processor unit is continued to monitor to air mass flow in cabin by flow sensor and compared with the air mass flow threshold values of setting, Set it is to be monitored to air mass flow be less than air mass flow threshold values 80% when, assert air purifier in low efficient filter block, To indoor air purification, the accumulative timing unit of pause purification operation adds up the time that timing simultaneously keeps adding up for pause, into net The step of change stage (2),
B) when purification operation accumulative timing unit institute's cumulative time reaches, and the desorption decontamination time is carried out needed for setting, temporarily Stop to indoor air purification, the accumulative timing unit of pause purification operation adds up timing and removes the time added up, into purification Mode step 2) desorption stage,
(2) control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan by control signal, To low efficient filter dedusting in air purifier, the air channel closed on air purifying room lower wall, thermal regeneration room and air are opened Air channel set by thermal insulation board lower end between clean room, and open the wind communicated on the bulkhead of thermal regeneration room with outside atmosphere Road, blower fan reversed operation is controlled, makes room air through set air channel air inlet clean room on purification of air chamber upper wall, by up to Lower flowing, between heated regeneration room and air purifying room air channel set by thermal insulation board lower end on the bulkhead of thermal regeneration room with outdoor Air communicates set air channel, arranges to outdoor, so as to which the dust adsorbed on low efficient filter is discharged into outside atmosphere, is set in blower fan When the absolute value to be monitored to air mass flow is more than or equal to the 95% of air mass flow threshold values in reversed operation 20min, stop blower fan Antikinesis, return cleansing phase the step of (1), otherwise, treat blower fan reversed operation 20min to progress alarm;
2) desorption stage
Control processor unit by control signal control the first automatically controlled air valve to the 5th automatically controlled air valve, heater and Blower fan, the air channel on lower wall in air purifying room is closed, opens thermal insulation board upper and lower side between thermal regeneration room and air purifying room Set air channel, and keep communicating set air channel closing on the bulkhead of thermal regeneration room with outside atmosphere, blower fan Positive work is kept, Keep purification of air indoor air flow to flow from the bottom to top, air themperature in cabin is carried out by the first temperature sensor to continue prison Survey, control heater heating, air themperature in cabin is maintained setting value, air is heated by heater, the air warp after heating Sorbing material is crossed, promotes the desorption of the VOCs and formaldehyde adsorbed in efficiently renewable VOCs and methyl aldehyde adsorption material, waits to be desorbed The stage running time reach complete desorption processing needed for setting time when into purification pattern step 3) the blowdown stage,
3) the blowdown stage
Control processor unit by control signal control the first automatically controlled air valve to the 5th automatically controlled air valve, heater and Blower fan, controlled as follows:
(1) heater is first shut off, opens and communicates set air channel on the bulkhead of thermal regeneration room with outside atmosphere, and open Set air channel on air purifying room lower wall, air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room is closed, protected Hold air channel set by thermal insulation board upper end between thermal regeneration room and air purifying room to open, keep set wind on purification of air chamber upper wall Road is closed, and keeps blower fan Positive work, that is, keeps purification of air indoor air flow to flow from the bottom to top, dirty gas warp in purification of air room Air channel set by thermal insulation board upper end with outside atmosphere to communicating on the bulkhead of thermal regeneration room between thermal regeneration room and air purifying room Set air channel, arrange to outdoor, room air is by set air channel on the lower wall of the purified room of air to the purified indoor benefit of air Fill, the step of blowdown stage is entered when the blowdown stage, the blower fan Positive work time reached 10min (2),
(2) set air channel on purification of air chamber upper wall is opened, and opens the spaced heat of thermal regeneration room and air purifying room Air channel set by plate lower end, set air channel on air purifying room lower wall is closed, close thermal regeneration room and the interval of air purifying room Air channel set by hot plate upper end, keep communicating set air channel unlatching on the bulkhead of thermal regeneration room with outside atmosphere, control blower fan is reverse Operating, change purification of air indoor air flow flow direction, purification of air indoor air flow from top to bottom flows, dirty gas warp in purification of air room Air channel set by thermal insulation board lower end with outside atmosphere to communicating on the bulkhead of thermal regeneration room between thermal regeneration room and air purifying room Set air channel, arrange to outdoor, room air by air channel set by the upper wall of the purified room of air to the purified indoor supplement of air, The dust adsorbed on low efficient filter is discharged into outside atmosphere while room blowdown purified to air, treats that blowdown stage blower fan is anti- The step of entering the blowdown stage when reaching 10min to the duration of runs (3),
(3) control processor unit is continued to monitor by the first temperature sensor to air themperature in cabin, passes through second Temperature sensor continues to monitor to indoor air temperature, and absolute value to be monitored to temperature in cabin and indoor temperature difference≤ Step 1) cleansing phase is returned at 1 DEG C.
It is above-described selection fresh air pattern when set air purifier successively circulation work ventilation, two stages of dedusting Process, there is following control:
Control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan by control signal, closes Set air channel on air purifying room lower wall is closed, closes air channel set by thermal insulation board upper end between thermal regeneration room and air purifying room, Air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room is opened, opens set wind on purification of air chamber upper wall Road, the air channel communicated on the bulkhead of thermal regeneration room with outside atmosphere is opened, and enter following steps:
1) ventilating stage
Blower fan Positive work is controlled, to room ventilation, and accumulative timing unit is run to ventilation and carries out accumulative timing, air Purification indoor air flow is flowed from the bottom to top, and outdoor air is flowed by the air channel communicated on the bulkhead of thermal regeneration room with outside atmosphere By air inlet clean room in air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room, filtered and suction after entering Got in after attached processing from purification of air chamber upper wall upper air duct, control processor unit runs accumulative timing unit according to ventilation Time for adding up and situation is monitored to air mass flow in cabin by flow sensor controlled as follows:
(1) set when until the ventilating stage operation cumulative time reaches the required carry out dedusting time of setting, suspend to room Interior ventilation, pause blower fan is positive to be run, that is, is suspended simultaneously clear to room ventilation, the accumulative timing of the accumulative timing unit of pause ventilation operation Except the added up time, into step 2) the dedusting stage of fresh air pattern,
(2) set when ventilation runs the accumulative timing unit cumulative time and is not up to the required carry out dedusting time set, control Processor unit processed is continued to monitor to air mass flow in cabin by flow sensor and compared with the air mass flow threshold values of setting, if Put it is to be monitored to air mass flow be less than air mass flow threshold values 80% when, assert air purifier in low efficient filter block, temporarily The positive operation of blowing-out machine, that is, suspend and are added up by timing and keeps adding up for room ventilation, the accumulative timing unit of pause ventilation operation Time, into step 2) the dedusting stage of fresh air pattern;
2) the dedusting stage
Control processor unit controls blower fan reversed operation by control signal, makes purification of air indoor air flow from top to bottom Flowing, room air from top to bottom flow, heated regeneration through set air channel air inlet clean room on purification of air chamber upper wall Air channel set by thermal insulation board lower end is to communicating set air channel with outside atmosphere on the bulkhead of thermal regeneration room between room and air purifying room, Arrange to outdoor, so as to which the dust adsorbed on low efficient filter is discharged into outside atmosphere, is set in blower fan reversed operation 20min and treats When monitoring that the absolute value of air mass flow is more than or equal to the 95% of air mass flow threshold values, stop blower fan antikinesis, return to fresh air Step 1) the ventilating stage of pattern, otherwise, treat blower fan reversed operation 20min to progress alarm.
The above-described air purifier that automatically wakes up carries out desorption decontamination, comprises the following steps:
1) it is desorbed
Control processor unit outputs control signals to the first automatically controlled air valve to the 5th automatically controlled air valve, heater and wind Machine, the air channel closed on the upper and lower wall of air purifying room, open thermal insulation board upper and lower end between thermal regeneration room and air purifying room Set air channel, close on the bulkhead of thermal regeneration room and set air channel is communicated with outside atmosphere, control blower fan Positive work, control sky Gas purification indoor air flow is flowed from the bottom to top, and air themperature in cabin is continued to monitor by the first temperature sensor, controlled Heater heats, and air themperature in cabin is maintained setting value, air is heated by heater, and the air after heating passes through adsorption material Material, promote the desorption of the VOCs and formaldehyde adsorbed in efficiently renewable VOCs and methyl aldehyde adsorption material, run time to be desorbed Enter step 2) during the time required for reaching the completion desorption processing of setting;
2) decontaminate
Control processor unit control processor unit outputs control signals to the first automatically controlled air valve to the 5th automatically controlled sky Air valve, heater and blower fan:
(1) heater is closed, opens and communicates set air channel on the bulkhead of thermal regeneration room with outside atmosphere, and open air Set air channel on clean room's lower wall, air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room is closed, keep adding Air channel set by thermal insulation board upper end is opened between hot recycling room and air purifying room, keeps set air channel on purification of air chamber upper wall to close Close, keep blower fan Positive work, that is, keep purification of air indoor air flow to flow from the bottom to top, dirty gas is heated in purification of air room Air channel set by thermal insulation board upper end is set to being communicated with outside atmosphere on the bulkhead of thermal regeneration room between regeneration room and air purifying room Air channel, arrange and, to the purified indoor supplement of air, treated by set air channel on the lower wall of the purified room of air to outdoor, room air Enter next step (2) when the blower fan Positive work time reaches 10min in decontamination,
(2) set air channel on purification of air chamber upper wall is opened, and opens the spaced heat of thermal regeneration room and air purifying room Air channel set by plate lower end, set air channel on air purifying room lower wall is closed, close thermal regeneration room and the interval of air purifying room Air channel set by hot plate upper end, keep communicating set air channel unlatching on the bulkhead of thermal regeneration room with outside atmosphere, control blower fan is reverse Operating, change purification of air indoor air flow flow direction, purification of air indoor air flow from top to bottom flows, dirty gas warp in purification of air room Air channel set by thermal insulation board lower end with outside atmosphere to communicating on the bulkhead of thermal regeneration room between thermal regeneration room and air purifying room Set air channel, arrange to outdoor, room air by air channel set by the upper wall of the purified room of air to the purified indoor supplement of air, The dust adsorbed on low efficient filter is discharged into outside atmosphere while room blowdown purified to air, blower fan is set in and inversely transports When turning the absolute value to be monitored to air mass flow in 20min and being more than or equal to the 95% of air mass flow threshold values, into next step (3), Otherwise, 20min does not monitor that the absolute value of air mass flow is more than or equal to the 95% of air mass flow threshold values, then carries out alarm and carry Show,
(3) control processor unit is continued to monitor by the first temperature sensor to air themperature in cabin, passes through second Temperature sensor continues to monitor to indoor air temperature, and absolute value to be monitored to temperature in cabin and indoor temperature difference≤ Enter step (4) at 1 DEG C;
(4) when during the air purifier automatically waken up is desorbed and decontaminated, having recognized purification pattern or fresh air mould During the operation of formula, the corresponding modes to be monitored to response operation during absolute value≤1 DEG C of temperature in cabin and indoor temperature difference are no Then, holding state is entered during absolute value≤1 DEG C to be monitored to temperature in cabin and indoor temperature difference.
The above-described air purifier that automatically wakes up carries out dedusting, comprises the following steps:
1) dedusting
Control processor unit outputs control signals to the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan, closes Set air channel on air purifying room lower wall, air channel set by thermal insulation board upper end between thermal regeneration room and air purifying room is closed, is opened Air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room is opened, opens set air channel on purification of air chamber upper wall, The air channel communicated on the bulkhead of thermal regeneration room with outside atmosphere is opened, blower fan antiport is controlled, makes in purification of air room Air-flow from top to bottom flows, and room air from top to bottom flows through set air channel air inlet clean room on purification of air chamber upper wall It is dynamic, between heated regeneration room and air purifying room air channel set by thermal insulation board lower end on the bulkhead of thermal regeneration room with outside atmosphere Set air channel is communicated, is arranged to outdoor, so as to which the dust adsorbed on low efficient filter is discharged into outside atmosphere, it is reverse to be set in blower fan When the absolute value to be monitored to air mass flow is more than or equal to the 95% of air mass flow threshold values in operating 20min, into next step 2), otherwise, 20min does not monitor that the absolute value of air mass flow is more than or equal to the 95% of air mass flow threshold values, then is alarmed Prompting;
2) when during dedusting, recognizing the operation of purification pattern or fresh air pattern, blower fan reversed operation 20min is treated The corresponding modes of response operation, no when the interior absolute value to be monitored to air mass flow is more than or equal to the 95% of air mass flow threshold values Then, when the absolute value to be monitored to air mass flow in blower fan reversed operation 20min is more than or equal to the 95% of air mass flow threshold values Into holding state.
Above-described carry out alarm, it is that control processor unit by buzzer sends the sound and carries out alarm and carries Show, prompt user to search trouble point in time, it may be possible to which blower fan does not turn, rotating speed is slack-off, air channel blocking, or dust on low efficient filter The failure such as excessive.
In above-mentioned, it is described needed for carry out that the desorption decontamination time sets be 300h;The described required carry out dedusting time sets It is 300h to put;Time required for the completion desorption processing of described setting, it is arranged to 120min;Described makes air themperature in cabin Setting value is maintained, setting value is arranged to:60±5℃.
When the present invention is operated in purification pattern and fresh air pattern, desorption except purification pattern, in addition to the decontamination stage, to keyboard Operation, makes an immediate response;Desorption, decontamination stage in purification pattern, the operation to keyboard, responded after desorption decontamination terminates.

Claims (10)

1. a kind of wall-mounted air purification device, including:It is closed cabin, blower fan, the first automatically controlled air valve to the 5th automatically controlled air valve, thick Imitate filter, efficiently renewable VOCs and methyl aldehyde adsorption material, heater, flow sensor, VOCs sensors, the first temperature pass Sensor, second temperature sensor, control processor unit, relief valve;The flow sensor, VOCs sensors, the first temperature Sensor and second temperature sensor are connected with the input of control processor unit respectively;The blower fan, heater, first Automatically controlled air valve to the 5th automatically controlled air valve is connected with the output end of control processor unit respectively;The closed cabin with it is left, The right side is set to thermal regeneration room and the air purifying room being isolated with thermal insulation board, isolates between thermal regeneration room and air purifying room Thermal insulation board upper and lower end is respectively equipped with air channel, the wind of isolation thermal regeneration room and air purifying room set by by thermal insulation board upper and lower end Road communicates;The upper and lower wall of air purifying room is respectively equipped with that wind is logical to be communicated with interior;On the bulkhead of the thermal regeneration room with The corresponding position in thermal insulation board lower end air channel is provided with the air channel communicated in a manner of through walls with outside atmosphere;The first automatically controlled air The wind that valve is placed in set by purification of air chamber upper wall leads to, and the second automatically controlled air valve is placed in the wind set by air purifying room lower wall It is logical, the wind set by the upper end for the thermal insulation board that the 3rd automatically controlled air valve is placed between isolation thermal regeneration room and air purifying room Road, the wind set by the lower end for the thermal insulation board that the 4th automatically controlled air valve is placed between isolation thermal regeneration room and air purifying room Road, the 5th automatically controlled air valve be placed in that the position corresponding with thermal insulation board lower end air channel on the bulkhead of thermal regeneration room set to wear The air channel that wall mode communicates with outside atmosphere;The heater and the first temperature sensor are from top to bottom sequentially arranged at heating again It is raw indoor;The low efficient filter, efficiently renewable VOCs and methyl aldehyde adsorption material, blower fan, VOCs sensors from the bottom to top according to It is secondary to be arranged in purification of air room, and low efficient filter is arranged between isolation thermal regeneration room and air purifying room under thermal insulation board The set air channel space above in end, assembling is between isolation thermal regeneration room and air purifying room set by thermal insulation board upper end Space below air channel;Characterized in that, described relief valve is installed on the bulkhead of thermal regeneration room, pass through mode through walls and room Outer air communicates;The second temperature sensor is installed on interior, and the flow sensor is placed in set by purification of air chamber upper wall The wind put leads to.
2. a kind of wall-mounted air purification device according to claim 1, it is characterised in that the blower fan is Double-way axial flow wind Machine.
3. a kind of wall-mounted air purification device according to claim 1, it is characterised in that the flow sensor is two-way Flow sensor.
A kind of 4. wall-mounted air purification device according to claim 1, it is characterised in that the first automatically controlled air valve and Second automatically controlled air valve is single automatically controlled open type electromagnetic air valve, the 3rd automatically controlled air valve and the 4th automatically controlled air valve and the 5th electricity Air valve is controlled as single automatically controlled closed type electromagnetic air valve.
5. a kind of wall-mounted air purification device according to claim 1, it is characterised in that the heater generates heat for PTC Body.
A kind of 6. control method of wall-mounted air purification device according to claim 1-3 any one, it is characterised in that Comprise the following steps:
1) the accumulative timing unit of purification operation and the accumulative timing unit of ventilation operation and air flow valve that initial value is zero are provided with It is worth memory cell, working method is provided with purification pattern and fresh air pattern, selects to set air purifier to follow successively during purification pattern Ring is operated in purification, desorption, blowdown three phases process, selects to set air purifier during fresh air pattern that circulation work exists successively Two ventilation, dedusting phase process;
2) when initially enabling air purifier, air mass flow threshold values is configured:Pin air mass flow threshold values settings button 10S Afterwards, control processor unit controls the first automatically controlled air valve to the 4th automatically controlled air valve and blower fan by control signal, opens empty Air channel on the upper and lower wall in gas clean room, air channel set by thermal insulation board upper and lower end between thermal regeneration room and air purifying room is closed, And blower fan Positive work is controlled, the purification of air chamber upper wall air channel air stream that control processor unit is measured by flow sensor Amount is set as air mass flow threshold values, and the air mass flow threshold values measured is preserved to air mass flow threshold values memory cell, otherwise, empty Throughput threshold values memory cell remains just value zero;
3) when air purifier is in holding state, setting is standby to reach 30min, reads the accumulative timing unit of purification operation Control is identified in the time that the time and the accumulative timing unit of ventilation operation added up adds up:
When recognize the time that the accumulative timing unit of purification operation add up be more than or equal to set needed for carry out desorption decontamination Time 80% when, automatically wake up air purifier and carry out desorption decontamination, and remove the accumulative timing unit of purification operation and add up Time,
(2) it is less than needed for setting and carries out desorption and decontaminate the time when recognizing the time that the accumulative timing unit of purification operation add up 80% when, retain the time that the accumulative timing unit of purification operation add up, the purification operation of reading added up into timing unit institute The time that the accumulative time adds up with the accumulative timing unit of ventilation operation read is added, if sum is more than or equal to setting The required carry out dedusting time 80%, automatically wake up air purifier and carry out dedusting, and remove the accumulative timing list of ventilation operation The time that member adds up, otherwise, keep standby, and retain the time that the accumulative timing unit of ventilation operation adds up,
(3) during the air purifier automatically waken up carries out desorption decontamination with the air purifier automatically waken up is carried out the dedusting phase Between, there is the operation of purification pattern or fresh air pattern, the control processor list after the corresponding running automatically waken up terminates is set Member response corresponding modes, otherwise, after the corresponding running automatically waken up terminates, immediately enter holding state;
4) air purifier carries out purification pattern or the operation of fresh air pattern, wakes up enter corresponding modes immediately in holding state.
A kind of 7. control method of wall-mounted air purification device according to claim 6, it is characterised in that described selection Air purifier is set during purification pattern, and circulation work is being purified, is being desorbed, blowdown three phases process successively, has following step Suddenly:
1) cleansing phase
(1) control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan by control signal, opens Air channel on the upper and lower wall of air purifying room of closing, close between the thermal regeneration room of unlatching and air purifying room on thermal insulation board, Air channel set by lower end, and the air channel communicated with outside atmosphere is closed on the bulkhead of thermal regeneration room, the positive fortune of control blower fan Turn, purification of air indoor air flow is flowed from the bottom to top, room air flowed into by air purifying room lower wall upper air duct after through filtering Got in after adsorption treatment from upper wall upper air duct, to indoor air purification, and accumulative timing unit is run to purification and is carried out Accumulative timing, control processor unit run time that accumulative timing unit adds up and by flow sensor pair according to purification Air mass flow monitoring situation is controlled as follows in cabin:
A) when purification, which is run, to be added up to carry out the desorption decontamination time needed for the not up to setting of timing unit institute's cumulative time, control Processor unit is continued to monitor to air mass flow in cabin by flow sensor and compared with the air mass flow threshold values of setting, setting It is to be monitored to air mass flow be less than air mass flow threshold values 80% when, assert air purifier in low efficient filter block, pause To indoor air purification, the accumulative timing unit of pause purification operation adds up timing and kept for the time added up, into purification rank Section the step of (2),
B) when purification operation accumulative timing unit institute's cumulative time reaches, and the desorption decontamination time is carried out needed for setting, pause pair Indoor air purification, the accumulative timing unit of pause purification operation adds up timing and removes the time added up, into purification pattern Step 2) desorption stage,
(2) control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan by control signal, to sky Low efficient filter dedusting in gas purifier, the air channel closed on air purifying room lower wall, open thermal regeneration room and purification of air Air channel set by thermal insulation board lower end between room, and the air channel communicated on the bulkhead of thermal regeneration room with outside atmosphere is opened, control Blower fan reversed operation processed, room air is set from top to bottom to be flowed through set air channel air inlet clean room on purification of air chamber upper wall It is dynamic, between heated regeneration room and air purifying room air channel set by thermal insulation board lower end on the bulkhead of thermal regeneration room with outside atmosphere Set air channel is communicated, is arranged to outdoor, so as to which the dust adsorbed on low efficient filter is discharged into outside atmosphere, it is reverse to be set in blower fan When the absolute value to be monitored to air mass flow is more than or equal to the 95% of air mass flow threshold values in operating 20min, it is reverse to stop blower fan Operation, return cleansing phase the step of (1), otherwise, treat blower fan reversed operation 20min to progress alarm;
2) desorption stage
Control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve, heater and wind by control signal Machine, the air channel on lower wall in air purifying room is closed, opens thermal insulation board upper and lower side institute between thermal regeneration room and air purifying room If air channel, and keep communicating set air channel closing on the bulkhead of thermal regeneration room with outside atmosphere, blower fan Positive work is kept, i.e., Keep purification of air indoor air flow to flow from the bottom to top, air themperature in cabin is carried out by the first temperature sensor to continue prison Survey, control heater heating, air themperature in cabin is maintained setting value, air is heated by heater, the air warp after heating Sorbing material is crossed, promotes the desorption of the VOCs and formaldehyde adsorbed in efficiently renewable VOCs and methyl aldehyde adsorption material, waits to be desorbed The stage running time reach complete desorption processing needed for setting time when into purification pattern step 3) the blowdown stage,
3) the blowdown stage
Control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve, heater and wind by control signal Machine, controlled as follows:
(1) heater is first shut off, opens and communicates set air channel on the bulkhead of thermal regeneration room with outside atmosphere, and open air Set air channel on clean room's lower wall, air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room is closed, keep adding Air channel set by thermal insulation board upper end is opened between hot recycling room and air purifying room, keeps set air channel on purification of air chamber upper wall to close Close, keep blower fan Positive work, that is, keep purification of air indoor air flow to flow from the bottom to top, dirty gas is heated in purification of air room Air channel set by thermal insulation board upper end is set to being communicated with outside atmosphere on the bulkhead of thermal regeneration room between regeneration room and air purifying room Air channel, arrange and, to the purified indoor supplement of air, treated by set air channel on the lower wall of the purified room of air to outdoor, room air The step of blower fan Positive work time in blowdown stage enters the blowdown stage when reaching 10min (2),
(2) set air channel on purification of air chamber upper wall is opened, and is opened between thermal regeneration room and air purifying room under thermal insulation board Air channel set by end, set air channel on air purifying room lower wall is closed, close thermal insulation board between thermal regeneration room and air purifying room Air channel set by upper end, keep communicating set air channel unlatching on the bulkhead of thermal regeneration room with outside atmosphere, control blower fan antiport, Change purification of air indoor air flow flow direction, purification of air indoor air flow from top to bottom flows, and dirty gas is heated in purification of air room Air channel set by thermal insulation board lower end is set to being communicated with outside atmosphere on the bulkhead of thermal regeneration room between regeneration room and air purifying room Air channel, arrange to outdoor, room air is by air channel is to the purified indoor supplement of air set by the upper wall of the purified room of air, to sky The dust adsorbed on low efficient filter is discharged into outside atmosphere while gas purified room blowdown, treats that blowdown stage blower fan is reversely transported Turn the step of entering the blowdown stage when reaching 10min time (3),
(3) control processor unit is continued to monitor by the first temperature sensor to air themperature in cabin, passes through second temperature Sensor continues to monitor to indoor air temperature, absolute value≤1 DEG C to be monitored to temperature in cabin and indoor temperature difference When return to step 1) cleansing phase.
A kind of 8. control method of wall-mounted air purification device according to claim 6, it is characterised in that described selection Air purifier is set during fresh air pattern, and circulation work in two ventilation, dedusting phase process, has following control successively:
Control processor unit controls the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan by control signal, closes empty Set air channel on gas clean room lower wall, air channel set by thermal insulation board upper end between thermal regeneration room and air purifying room is closed, opened Air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room, set air channel on purification of air chamber upper wall is opened, is opened The air channel communicated on the bulkhead of thermal regeneration room with outside atmosphere is opened, and enters following steps:
1) ventilating stage
Blower fan Positive work is controlled, to room ventilation, and accumulative timing unit is run to ventilation and carries out accumulative timing, purification of air Indoor air flow flows from the bottom to top, after outdoor air is flowed into by the air channel communicated on the bulkhead of thermal regeneration room with outside atmosphere By air inlet clean room in air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room, at filtered and absorption Got in after reason from purification of air chamber upper wall upper air duct, control processor unit is run accumulative timing unit according to ventilation and tired out The time of meter and by flow sensor in cabin air mass flow monitor situation controlled as follows:
(1) set when until the ventilating stage operation cumulative time reaches the required carry out dedusting time of setting, suspend logical to interior Wind, the positive operation of pause blower fan, that is, suspend and are added up by timing and removes institute for room ventilation, the accumulative timing unit of pause ventilation operation The accumulative time, into step 2) the dedusting stage of fresh air pattern,
(2) set when ventilation runs the accumulative timing unit cumulative time and is not up to the required carry out dedusting time set, at control Air mass flow in cabin is continued to monitor by flow sensor for reason device unit and compared with the air mass flow threshold values of setting, setting is treated When monitoring that air mass flow is less than the 80% of air mass flow threshold values, assert that low efficient filter blocks in air purifier, suspends wind The positive operation of machine, that is, suspend to room ventilation, the accumulative timing unit of pause ventilation operation add up that timing and keeping adds up when Between, into step 2) the dedusting stage of fresh air pattern;
2) the dedusting stage
Control processor unit controls blower fan reversed operation by control signal, purification of air indoor air flow is from top to bottom flowed Dynamic, room air from top to bottom flows, heated regeneration room through set air channel air inlet clean room on purification of air chamber upper wall Air channel set by thermal insulation board lower end is arranged to set air channel is communicated with outside atmosphere on the bulkhead of thermal regeneration room between air purifying room To outdoor, so as to which the dust adsorbed on low efficient filter is discharged into outside atmosphere, it is set in blower fan reversed operation 20min and waits to supervise Measure air mass flow absolute value be more than or equal to air mass flow threshold values 95% when, stop blower fan antikinesis, return fresh air mould Step 1) the ventilating stage of formula, otherwise, treat blower fan reversed operation 20min to progress alarm.
9. the control method of a kind of wall-mounted air purification device according to claim 6, it is characterised in that described is automatic Wake up air purifier and carry out desorption decontamination, comprise the following steps:
1) it is desorbed
Control processor unit outputs control signals to the first automatically controlled air valve to the 5th automatically controlled air valve, heater and blower fan, The air channel closed on the upper and lower wall of air purifying room, open between thermal regeneration room and air purifying room set by thermal insulation board upper and lower end Air channel, close on the bulkhead of thermal regeneration room and set air channel is communicated with outside atmosphere, control blower fan Positive work, control air net Change indoor air flow to flow from the bottom to top, air themperature in cabin is continued to monitor by the first temperature sensor, control heating Body heats, and air themperature in cabin is maintained setting value, and air is heated by heater, and the air after heating passes through sorbing material, Promote the desorption of the VOCs and formaldehyde adsorbed in efficiently renewable VOCs and methyl aldehyde adsorption material, run time to be desorbed reaches Enter step 2) during the time required for the completion desorption processing of setting;
2) decontaminate
Control processor unit control processor unit output control signals to the first automatically controlled air valve to the 5th automatically controlled air valve, Heater and blower fan:
(1) heater is closed, opens and communicates set air channel on the bulkhead of thermal regeneration room with outside atmosphere, and open purification of air Set air channel on the lower wall of room, air channel set by thermal insulation board lower end between thermal regeneration room and air purifying room is closed, keep heating again Air channel set by thermal insulation board upper end is opened between raw room and air purifying room, keeps set air channel on purification of air chamber upper wall to close, Blower fan Positive work is kept, that is, keeps purification of air indoor air flow to flow from the bottom to top, dirty gas is heated again in purification of air room Air channel set by thermal insulation board upper end is to communicating set wind with outside atmosphere on the bulkhead of thermal regeneration room between raw room and air purifying room Road, arrange and, to the purified indoor supplement of air, wait to remove by set air channel on the lower wall of the purified room of air to outdoor, room air Enter next step (2) when the blower fan Positive work time reaches 10min in dirt,
(2) set air channel on purification of air chamber upper wall is opened, and is opened between thermal regeneration room and air purifying room under thermal insulation board Air channel set by end, set air channel on air purifying room lower wall is closed, close thermal insulation board between thermal regeneration room and air purifying room Air channel set by upper end, keep communicating set air channel unlatching on the bulkhead of thermal regeneration room with outside atmosphere, control blower fan reversed operation, Change purification of air indoor air flow flow direction, purification of air indoor air flow from top to bottom flows, and dirty gas is heated in purification of air room Air channel set by thermal insulation board lower end is set to being communicated with outside atmosphere on the bulkhead of thermal regeneration room between regeneration room and air purifying room Air channel, arrange to outdoor, room air is by air channel is to the purified indoor supplement of air set by the upper wall of the purified room of air, to sky The dust adsorbed on low efficient filter is discharged into outside atmosphere while gas purified room blowdown, is set in blower fan reversed operation It is, no when the absolute value to be monitored to air mass flow is more than or equal to the 95% of air mass flow threshold values in 20min into next step (3) Then, 20min does not monitor that the absolute value of air mass flow is more than or equal to the 95% of air mass flow threshold values, then carries out alarm,
(3) control processor unit is continued to monitor by the first temperature sensor to air themperature in cabin, passes through second temperature Sensor continues to monitor to indoor air temperature, absolute value≤1 DEG C to be monitored to temperature in cabin and indoor temperature difference When enter step (4);
(4) when during the air purifier automatically waken up is desorbed and decontaminated, recognizing purification pattern or fresh air pattern During operation, the corresponding modes to be monitored to response operation during absolute value≤1 DEG C of temperature in cabin and indoor temperature difference, otherwise, Enter holding state during absolute value≤1 DEG C to be monitored to temperature in cabin and indoor temperature difference.
A kind of 10. control method of wall-mounted air purification device according to claim 6, it is characterised in that it is described from The dynamic air purifier that wakes up carries out dedusting, comprises the following steps:
1) dedusting
Control processor unit outputs control signals to the first automatically controlled air valve to the 5th automatically controlled air valve and blower fan, closes air Set air channel on clean room's lower wall, air channel set by thermal insulation board upper end between thermal regeneration room and air purifying room is closed, open and add Air channel set by thermal insulation board lower end between hot recycling room and air purifying room, set air channel on purification of air chamber upper wall is opened, opened The air channel communicated on the bulkhead of thermal regeneration room with outside atmosphere, blower fan antiport is controlled, makes purification of air indoor air flow From top to bottom flow, room air from top to bottom flows, passed through through set air channel air inlet clean room on purification of air chamber upper wall Air channel set by thermal insulation board lower end with outside atmosphere to communicating on the bulkhead of thermal regeneration room between thermal regeneration room and air purifying room Set air channel, arrange to outdoor, so as to which the dust adsorbed on low efficient filter is discharged into outside atmosphere, be set in blower fan reversed operation When the absolute value to be monitored to air mass flow is more than or equal to the 95% of air mass flow threshold values in 20min, into next step 2), it is no Then, 20min does not monitor that the absolute value of air mass flow is more than or equal to the 95% of air mass flow threshold values, then carries out alarm;
2) when during dedusting, recognizing the operation of purification pattern or fresh air pattern, treat to treat in blower fan reversed operation 20min The corresponding modes of response operation when the absolute value of air mass flow is more than or equal to the 95% of air mass flow threshold values are monitored, otherwise, are treated Enter when the absolute value to be monitored to air mass flow is more than or equal to the 95% of air mass flow threshold values in blower fan reversed operation 20min and treat Machine state.
CN201610850496.0A 2016-09-23 2016-09-23 A kind of wall-mounted air purification device and its control method Pending CN107869800A (en)

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Application publication date: 20180403