CN104913429B - Air conditioner method for disinfection and air conditioner - Google Patents

Air conditioner method for disinfection and air conditioner Download PDF

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Publication number
CN104913429B
CN104913429B CN201410086752.4A CN201410086752A CN104913429B CN 104913429 B CN104913429 B CN 104913429B CN 201410086752 A CN201410086752 A CN 201410086752A CN 104913429 B CN104913429 B CN 104913429B
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China
Prior art keywords
air conditioner
indoor unit
indoor
temperature
heat exchanger
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CN201410086752.4A
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CN104913429A (en
Inventor
李永镇
张�浩
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GD Midea Air Conditioning Equipment Co Ltd
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Guangdong Midea Refrigeration Equipment Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode

Abstract

The present invention relates to a kind of air conditioner method for disinfection and air conditioner, its method includes:Air conditioner is opened, indoor unit enters heating operation mode, lifts the surface temperature T0 to more than sterilising temp threshold values T of indoor set heat exchanger, and duration t.The present invention makes indoor unit heating operation, lifted more than surface temperature to the sterilising temp threshold values of indoor set heat exchanger, and kept for the regular hour after air conditioner is opened, and kills the bacterium inside air conditioner with this, improves the cleannes of air conditioner room unit;In addition, in order to improve the bactericidal effect of air conditioner, can also be indoors before machine heating operation, the water of machine heat exchanger surface addition indoors, and/or indoor unit is entered dehumidification mode, indoor set heat exchanger surface is produced condensation water, the water of addition or the condensation water of generation indoors machine heating operation when, become high-temperature steam, quick sterilization in machine indoors.

Description

Air conditioner method for disinfection and air conditioner
Technical field
The present invention relates to air conditioner technical field, more particularly to a kind of air conditioner method for disinfection and air conditioner.
Background technology
After a certain period of use time, internal exchanger, air passage and filter screen etc. can grow substantial amounts of bacterium to domestic air conditioning, If cleaned not in time, meeting do harm to huamn body is unhealthful.
The content of the invention
The embodiment of the present invention provides a kind of air conditioner method for disinfection and air conditioner, it is intended to improves the cleaning of air conditioner room unit Degree.
The embodiment of the present invention proposes a kind of air conditioner method for disinfection, including:
Air conditioner is opened, indoor unit enters heating operation mode, and the surface temperature T0 for lifting indoor set heat exchanger extremely sterilizes More than threshold temperature T, and duration t, wherein, T and t are setting value.
Preferably, the unlatching air conditioner, indoor unit enter heating operation mode, lift the surface temperature of indoor set heat exchanger T0 to more than sterilising temp threshold values T is spent, and the step of duration t includes:
After opening air conditioner, into degerming pattern, by machine heating operation in controller control room, and indoor machine wind is controlled Machine is shut down, and is controlled the air outlet and return air inlet closure of indoor unit, indoor unit is in totally-enclosed or semi-closed state;
The frequency and electric expansion valve of compressor of outdoor unit are adjusted, the surface temperature T0 for lifting indoor set heat exchanger extremely sterilizes More than threshold temperature T, and duration t, afterwards, exit degerming pattern.
Preferably, after opening air conditioner, indoor unit further includes before entering heating operation mode:
After opening air conditioner, the water of machine heat exchanger surface addition indoors;And/or after opening air conditioner, enter indoor unit Dehumidification mode, for control wind turbine to set minimum speed operation, adjustment wind guide strip to minimum outlet air position, reduces indoor set heat exchanger Surface temperature T0, make indoor set heat exchanger surface produce condensation water;
After indoor environment temperature is started shooting to current reduction design temperature from air conditioner, stop indoor unit dehumidifying operation.
Preferably, it is described after indoor environment temperature is started shooting to current reduction design temperature from air conditioner, stop indoor unit Further included after the step of dehumidifying operation:
Air conditioner is closed, after setting time, reopens air conditioner.
Preferably, the sterilising temp threshold values T value ranges are at 60~120 DEG C, duration t value range 20~ 120 minutes.
Preferably, the sterilising temp threshold values T value ranges are at 60~90 DEG C.
Preferably, the sterilising temp threshold values T value ranges are at 100~120 DEG C.
Preferably, the unlatching air conditioner, indoor unit enter heating operation mode, lift the surface temperature of indoor set heat exchanger T0 to more than sterilising temp threshold values T is spent, and the step of duration t further comprises:
Control indoor unit wind turbine is accomplished continuously or intermittently rotated with minimum wind speed, and confined space is high warm and humid inside agitation indoor unit Steam, makes high-temperature wet steam vapour be diffused into the inner surface of air passage, air inlet and return air inlet.
The present invention also proposes a kind of air conditioner, including:Indoor unit, outdoor unit and controller, wherein:
The controller is used for after air conditioner is opened, and controls the indoor unit to enter heating operation mode, and lifting is indoor The surface temperature T0 of machine heat exchanger to more than sterilising temp threshold values T, and duration t.
Preferably, the controller is additionally operable to after opening air conditioner, and into degerming pattern, indoor unit is controlled by controller Heating operation, and indoor unit fan parking is controlled, the air outlet and return air inlet closure of indoor unit are controlled, indoor unit is in full envelope Close or semi-closed state;And the frequency and electric expansion valve of compressor of outdoor unit are adjusted, lift the surface of indoor set heat exchanger Temperature T0 to more than sterilising temp threshold values T, and duration t, afterwards, exit degerming pattern.
Preferably, the controller is additionally operable to after opening air conditioner, before control indoor unit enters heating operation mode, Indoor unit is set to enter dehumidification mode, to set minimum speed operation, adjustment wind guide strip to minimum outlet air position, reduces control wind turbine The surface temperature T0 of indoor set heat exchanger, makes indoor set heat exchanger surface produce condensation water;And/or enter in control indoor unit Before heating operation mode, the water of machine heat exchanger surface addition indoors;When indoor environment temperature is started shooting to currently subtracting from air conditioner After few design temperature, stop indoor unit dehumidifying operation.
Preferably, the controller is additionally operable to control indoor unit wind turbine accomplished continuously or intermittently to rotate with minimum wind speed, stirs room The high-temperature wet steam vapour of confined space, makes high-temperature wet steam vapour be diffused into the inner surface of air passage, air inlet and return air inlet inside interior machine.
Preferably, the controller is integrated on the electric-controlled plate of the indoor unit.
A kind of the air conditioner method for disinfection and air conditioner that the embodiment of the present invention proposes, after air conditioner is opened, make indoor unit Heating operation, is lifted more than surface temperature to the sterilising temp threshold values of indoor set heat exchanger, and is kept for the regular hour, is come with this The bacterium inside air conditioner is killed, improves the cleannes of air conditioner room unit;In addition, in order to improve the bactericidal effect of air conditioner, Can also be indoors before machine heating operation, the water of machine heat exchanger surface addition indoors, and/or indoor unit is entered dehumidifying mould Formula, makes indoor set heat exchanger surface produce condensation water, the water of addition or the condensation water of generation indoors machine heating operation when, in room Become high-temperature steam, quick sterilization in interior machine.
Brief description of the drawings
Fig. 1 is the structure diagram of air conditioner preferred embodiment of the present invention;
Fig. 2 is the degerming mode control flow figure of air conditioner of the embodiment of the present invention;
Fig. 3 is heat exchanger surface temperature T0- time t curve synoptic diagrams in air conditioner sterilizing process of the embodiment of the present invention;
Fig. 4 is the flow diagram of air conditioner method for disinfection preferred embodiment of the present invention.
In order to make technical scheme clearer, clear, it is described in further detail below in conjunction with attached drawing.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figure 1, present pre-ferred embodiments propose a kind of air conditioner, including:Indoor unit 1, outdoor unit 2 and control room The controller 3 of interior machine 1 and outdoor unit 2, controller 3 can be integrated on the electric-controlled plate of the indoor unit 1.Wherein:
The controller 3 is used for after air conditioner is opened, and controls the indoor unit 1 to enter heating operation mode, lifts room The surface temperature T0 to more than sterilising temp threshold values T of interior 1 heat exchanger of machine, and duration t.
Wherein, sterilising temp threshold values T is that can reach the desired temperature for killing most bacteriums.
The present embodiment is to realize the sterilizing of air conditioner room unit 1 based on the principle of pasteurization.Pasteurization It is a kind of low temperature disinfection, is generally used in the process of milk, bactericidal effect is notable.General Pasteur in the world at present Sterilization mainly has two kinds:One kind is to 62-65 DEG C by Milk During Heating, is kept for 30 minutes, using this method, can kill milk In various growth type pathogenic bacteria, sterilizing efficiency is up to 97.3%-99.9%.Second method to 75-90 DEG C, keeps the temperature Milk During Heating 15-16 seconds, its sterilizing time was shorter, work efficiency higher.The temperature of the method for usual pasteurization is 63-85 DEG C.
Specifically, in the present embodiment, sterilising temp threshold values T value ranges are at 60~120 DEG C, duration t value model It is trapped among 20~120 minutes.
As a kind of embodiment, since the bacterium of air conditioner is mainly grown on 1 heat exchanger of indoor unit, so for material Expect the consideration of cost, sterilising temp threshold values T value ranges can be set as 60-90 DEG C;Certainly, in order to improve in air conditioner chamber The bactericidal effect of 1 heat exchanger of machine, and also to the bactericidal effect on the components such as air passage wind wheel be improved, as another embodiment party Formula, can be set as 100-120 DEG C by sterilising temp threshold values T value ranges.
The present embodiment is to produce high-temperature steam using air conditioner, 1 internal temperature of air conditioner room unit is reached more than 60 DEG C, And can be kept for the regular hour, with reference to the principle of pasteurization, to kill the bacterium inside air conditioner room unit 1.
More specifically, realized as a kind of embodiment, the present embodiment by following scheme to air conditioner room unit 1 Sterilization.
After air conditioner is opened, controller 3 controls air conditioner to enter degerming pattern, and controller 3 controls the heating fortune of indoor unit 1 OK, and 1 fan parking of indoor unit is controlled, controls the air outlet and return air inlet closure of indoor unit 1, indoor unit 1 is in totally-enclosed Or semi-closed state;The surface temperature T0 of so 1 heat exchanger of indoor unit can be improved rapidly, when reaching sterilising temp threshold values T, i.e., T0 >=T, sample can kill the bacterium on 1 heat exchanger of indoor unit rapidly.
During the surface temperature T0 to sterilising temp threshold values T of lifting 1 heat exchanger of indoor unit, outdoor unit can be adjusted The frequency and electric expansion valve of 2 compressors, are ensureing in the temperature safe temperature that 1 structural member of machine can bear indoors, and carry Rise the surface temperature T0 to more than sterilising temp threshold values T of 1 heat exchanger of indoor unit.
Its specific Principles of Regulation is:When T0 >=120 DEG C, the frequency or increase electric expansion valve that reduce compressor are opened Degree;When T0≤100 DEG C, lift the flat frequency of compressor or reduce electronic expansion valve opening.
After duration t is sterilized, degerming pattern is exited.
In addition, in order to reach more preferable bacteria-eliminating efficacy, as another embodiment, enter heating in control indoor unit 1 Before operational mode, indoor unit 1 is entered dehumidification mode, 1 heat exchanger surface of indoor unit is produced condensation water.
It refer to shown in Fig. 2, Fig. 2 is the degerming mode control flow figure of the present embodiment air conditioner, as shown in Fig. 2, degerming Under pattern, air-conditioning, which is first started shooting, carries out dehumidifying operation, indoor heat exchanger is condensed certain moisture;It is then shut off air conditioner room unit 1 inlet and outlet, and heating operation is switched to, the quick heat-exchange temperature T0 for improving indoor heat exchanger(T0≥60℃), and make The temperature is kept for t minutes(0 < t≤120).
Specifically, the present embodiment realizes the sterilization to air conditioner room unit 1 by following scheme.
After air conditioner is opened, controller 3 controls air conditioner to enter degerming pattern.First, controller 3 make indoor unit 1 into Enter dehumidification mode, for control wind turbine to set minimum speed operation, adjustment wind guide strip reduces indoor unit as far as possible to minimum outlet air position The surface temperature T0 of 1 heat exchanger, makes 1 heat exchanger surface of indoor unit produce condensation water;When indoor environment temperature T1 is opened from air conditioner Machine reduces design temperature to current(Such as the b points in Fig. 3)Afterwards, i.e. T2-T1 >=2 DEG C(Environment temperature when T2 is starts shooting), stop room The interior dehumidifying of machine 1 operation.Illustrated in the present embodiment Fig. 2 using design temperature as 2 DEG C, which can also be according to actual feelings Condition selects other values, such as 3 DEG C etc..
Then, controller 3 controls indoor unit 1 to enter heating operation mode.
In order to reduce the issuable parts damages of air conditioner four-way valve commutation, after the dehumidifying operation of indoor unit 1 is stopped, Preferably close air conditioner for a period of time, such as 5 seconds.Then air conditioner is then turned on, controller 3 controls indoor unit 1 to enter heating and transports Row mode.
Meanwhile 1 fan parking of indoor unit is controlled, the air outlet and return air inlet closure of indoor unit 1 are controlled, is made at indoor unit 1 In totally-enclosed or semi-closed state.The surface temperature T0 of so 1 heat exchanger of indoor unit can be improved rapidly, when reaching sterilising temp valve During value T(C points in Fig. 3,100 DEG C≤T≤120 DEG C), i.e. T0 >=T, the condensation water on indoor heat exchanger surface, which is heated, flashes to height The water vapour of temperature, can so kill the bacterium on 1 heat exchanger of indoor unit rapidly.
, can be by outdoor during the surface temperature T0 to sterilising temp threshold values T of lifting 1 heat exchanger of indoor unit The frequency of 2 compressor of machine and the adjusting of electric expansion valve, ensure the temperature safe temperature that 1 structural member of machine can bear indoors It is interior, and reach sterilising temp threshold values T in range of needs.
In addition, in sterilization process, controller 3 also controls 1 wind turbine of indoor unit accomplished continuously or intermittently to be rotated with minimum wind speed, stirs The high-temperature wet steam vapour of 1 inside confined space of dynamic indoor unit, makes high-temperature wet steam vapour be diffused into the interior table of air passage, air inlet and return air inlet Face, fully kills 1 inside bacterium of air conditioner room unit.
After duration t, air conditioner exits degerming pattern.
From there through such scheme, realize effective sterilization to air conditioner room unit 1, improve the clear of air conditioner room unit 1 Cleanliness.
Furthermore, it is necessary to explanation, in order to make 1 heat exchanger surface of indoor unit produce water, can also control indoor unit 1 into Before entering heating operation mode, with other machineries(Such as water pump spray)Or 1 heat exchanger surface of machine adds manual type indoors Water;Then controller 3 controls indoor unit 1 to enter heating operation mode, is heated the water of 1 heat exchanger surface of indoor unit and flashes to The water vapour of high temperature, can equally kill the bacterium on 1 heat exchanger of indoor unit rapidly.
Certainly, the sterilization mode of above-mentioned addition water can also be combined with the sterilization mode of the dehumidification mode shown in above-mentioned Fig. 2 Implement, details are not described herein for its principle.
As shown in figure 4, present pre-ferred embodiments propose a kind of air conditioner method for disinfection, including:
Step S101, opens air conditioner, indoor unit is entered dehumidification mode, and control wind turbine is run with setting minimum speed, Wind guide strip is adjusted to minimum outlet air position, the surface temperature T0 of indoor set heat exchanger is reduced, produces indoor set heat exchanger surface Condensation water;
Step S102, after indoor environment temperature is started shooting to current reduction design temperature from air conditioner, stops indoor unit and removes Wet operation.
Step S103, closes air conditioner, after setting time, reopens air conditioner.
Step S104, indoor unit enter heating operation mode, lift the surface temperature T0 of indoor set heat exchanger to the temperature that sterilizes More than bottom valve value T, and duration t, wherein, T and t are setting value.
Specifically, the present embodiment is to realize the sterilizing of air conditioner room unit based on the principle of pasteurization.Bar Family name's disinfection is a kind of low temperature disinfection, is generally used in the process of milk, bactericidal effect is notable.It is general in the world at present Pasteurization mainly has two kinds:One kind is to 62-65 DEG C by Milk During Heating, is kept for 30 minutes, using this method, can killed Various growth type pathogenic bacteria in milk, sterilizing efficiency is up to 97.3%-99.9%.Second method by Milk During Heating to 75-90 DEG C, Insulation 15-16 seconds, its sterilizing time is shorter, work efficiency higher.The temperature of the method for usual pasteurization is 63-85 DEG C.
Specifically, in the present embodiment, sterilising temp threshold values T value ranges are at 60~120 DEG C, duration t value model It is trapped among 20~120 minutes.
As a kind of embodiment, since the bacterium of air conditioner is mainly grown on indoor set heat exchanger, so for material Expect the consideration of cost, sterilising temp threshold values T value ranges can be set as 60-90 DEG C;Certainly, in order to improve air conditioner chamber The bactericidal effect of interior machine heat exchanger, and also to improve the bactericidal effect on the components such as air passage wind wheel, implements as another kind Mode, can be set as 100-120 DEG C by sterilising temp threshold values T value ranges.
The present embodiment is to produce high-temperature steam using air conditioner, air conditioner room unit internal temperature is reached more than 60 DEG C, And can be kept for the regular hour, with reference to the principle of pasteurization, to kill the bacterium inside air conditioner room unit.
More specifically, realized as a kind of embodiment, the present embodiment by following scheme to air conditioner room unit Sterilization.
After air conditioner is opened, controller control air conditioner enters degerming pattern, machine heating operation in controller control room, And indoor unit fan parking is controlled, the air outlet and return air inlet closure of indoor unit are controlled, indoor unit is in totally-enclosed or half envelope Closed state;The surface temperature T0 of so indoor set heat exchanger can be improved rapidly, when reaching sterilising temp threshold values T, i.e. T0 >=T, The bacterium on indoor set heat exchanger can be so killed rapidly.
During the surface temperature T0 to sterilising temp threshold values T of lifting indoor set heat exchanger, outdoor unit can be adjusted The frequency and electric expansion valve of compressor, are ensureing in the temperature safe temperature that machine structural member can bear indoors, and are lifted The surface temperature T0 of indoor set heat exchanger to more than sterilising temp threshold values T.
Its specific Principles of Regulation is:When T0 >=120 DEG C, the frequency or increase electric expansion valve that reduce compressor are opened Degree;When T0≤100 DEG C, lift the flat frequency of compressor or reduce electronic expansion valve opening.
After duration t is sterilized, degerming pattern is exited.
In addition, in order to reach more preferable bacteria-eliminating efficacy, as another embodiment, enter heating in control indoor unit and transport Before row mode, indoor unit is entered dehumidification mode, indoor set heat exchanger surface is produced condensation water.
I.e. under degerming pattern, air-conditioning, which is first started shooting, carries out dehumidifying operation, indoor heat exchanger is condensed certain moisture;Then The inlet and outlet of air conditioner room unit is closed, and is switched to heating operation, the quick heat-exchange temperature T0 for improving indoor heat exchanger (T0≥60℃), and the temperature is kept for t minutes(0 < t≤120).
Specifically, the present embodiment realizes the sterilization to air conditioner room unit by following scheme.
After air conditioner is opened, controller control air conditioner enters degerming pattern.First, controller make indoor unit enter remove Wet model, for control wind turbine to set minimum speed operation, adjustment wind guide strip to minimum outlet air position, reduces indoor unit heat exchange as far as possible The surface temperature T0 of device, makes indoor set heat exchanger surface produce condensation water;When indoor environment temperature T1 from air conditioner start shooting to work as Preceding reduction design temperature(Such as 2 DEG C, such as the b points in Fig. 3)Afterwards, i.e. T2-T1 >=2 DEG C(Environment temperature when T2 is starts shooting), stop Indoor unit dehumidifying operation.
Then, controller control indoor unit enters heating operation mode.
In order to reduce the issuable parts damages of air conditioner four-way valve commutation, after indoor unit dehumidifying operation is stopped, Preferably close air conditioner for a period of time, such as 5 seconds.Then air conditioner is then turned on, controller control indoor unit enters heating operation Pattern.
Meanwhile indoor unit fan parking is controlled, the air outlet and return air inlet closure of indoor unit are controlled, indoor unit is in complete Closing or semi-closed state.The surface temperature T0 of so indoor set heat exchanger can be improved rapidly, when reaching sterilising temp threshold values T (C points in Fig. 3,100 DEG C≤T≤120 DEG C), i.e. T0 >=T, the condensation water on indoor heat exchanger surface is heated the water for flashing to high temperature Steam, can so kill the bacterium on indoor set heat exchanger rapidly.
, can be by outdoor during the surface temperature T0 to sterilising temp threshold values T of lifting indoor set heat exchanger The frequency of machine compressor and the adjusting of electric expansion valve, ensure in the temperature safe temperature that machine structural member can bear indoors, And reach sterilising temp threshold values T in range of needs.
In addition, in sterilization process, controller also controls indoor unit wind turbine accomplished continuously or intermittently to be rotated with minimum wind speed, agitation The high-temperature wet steam vapour of confined space, makes high-temperature wet steam vapour be diffused into the inner surface of air passage, air inlet and return air inlet inside indoor unit, Fully kill bacterium inside air conditioner room unit.
After duration t, air conditioner exits degerming pattern.
From there through such scheme, effective sterilization to air conditioner room unit is realized, improve the cleaning of air conditioner room unit Degree.
Furthermore, it is necessary to explanation, in order to make indoor set heat exchanger surface produce water, can also enter in control indoor unit Before heating operation mode, with other machineries(Such as water pump spray)Or the manual type water of machine heat exchanger surface addition indoors; Then controller control indoor unit enters heating operation mode, is heated the water on indoor set heat exchanger surface and flashes to high temperature Water vapour, can equally kill the bacterium on indoor set heat exchanger rapidly.
Certainly, the sterilization mode of above-mentioned addition water can also be combined implementation with the sterilization mode of dehumidification mode, its principle exists This is repeated no more.
Air conditioner of embodiment of the present invention method for disinfection and air conditioner, after air conditioner is opened, make indoor unit heating operation, More than surface temperature to the sterilising temp threshold values for lifting indoor set heat exchanger, and kept for the regular hour, air-conditioning is killed with this Bacterium inside device, improves the cleannes of air conditioner room unit;, can also be in addition, in order to improve the bactericidal effect of air conditioner Before indoor unit heating operation, the water of machine heat exchanger surface addition indoors, and/or indoor unit is entered dehumidification mode, make interior Machine heat exchanger surface produces condensation water, the condensation water that the water of addition or dehumidifying produce indoors machine heating operation when, machine indoors Inside become high-temperature steam, quick sterilization.
The foregoing is merely the preferred embodiment of the present invention, is not intended to limit the scope of the invention, every utilization Equivalent structure or the flow conversion that description of the invention and accompanying drawing content are made, are directly or indirectly used in other relevant skills Art field, is included within the scope of the present invention.

Claims (13)

  1. A kind of 1. air conditioner method for disinfection, it is characterised in that including:
    Air conditioner is opened, indoor unit enters dehumidification mode, and control wind turbine adjusts wind guide strip to minimum to set minimum speed operation Outlet air position, reduces the surface temperature T0 of indoor set heat exchanger, indoor set heat exchanger surface is produced condensation water, works as indoor environment Temperature is started shooting to current reduction design temperature from air conditioner, stops indoor unit dehumidifying operation, and indoor unit enters heating operation mould Formula, and adjust the frequency and electric expansion valve of compressor of outdoor unit, lifts the surface temperature T0 of indoor set heat exchanger to the temperature that sterilizes More than bottom valve value T, and duration t, wherein, T and t are setting value.
  2. 2. according to the method described in claim 1, it is characterized in that, the indoor unit enters heating operation mode, and regulation room The frequency and electric expansion valve of outer machine compressor, lift the surface temperature T0 to more than sterilising temp threshold values T of indoor set heat exchanger, And the step of duration t, includes:
    By machine heating operation in controller control room, and indoor unit fan parking is controlled, control the air outlet of indoor unit and return Air port closes, and indoor unit is in totally-enclosed or semi-closed state;
    The frequency and electric expansion valve of compressor of outdoor unit are adjusted, lifts the surface temperature T0 of indoor set heat exchanger to sterilising temp More than threshold values T, and duration t, afterwards, exit degerming pattern.
  3. 3. according to the method described in claim 2, it is characterized in that, after opening air conditioner, indoor unit enters heating operation mode Further include before:
    After opening air conditioner, the water of machine heat exchanger surface addition indoors.
  4. It is 4. according to the method described in claim 3, it is characterized in that, described when indoor environment temperature is started shooting to current from air conditioner After reducing design temperature, stop further including after the step of indoor unit dehumidifying is run:
    Air conditioner is closed, after setting time, reopens air conditioner.
  5. 5. according to the method described in claim 2,3 or 4, it is characterised in that the sterilising temp threshold values T value ranges 60~ 120 DEG C, duration t, value range was at 20~120 minutes.
  6. 6. according to the method described in claim 5, it is characterized in that, the sterilising temp threshold values T value ranges are at 60~90 DEG C.
  7. 7. according to the method described in claim 5, it is characterized in that, the sterilising temp threshold values T value ranges are 100~120 ℃。
  8. 8. the method according to claim 3 or 4, it is characterised in that the unlatching air conditioner, indoor unit enter heating operation Pattern, lifts the surface temperature T0 to more than sterilising temp threshold values T of indoor set heat exchanger, and the step of duration t is further Further include:
    Control indoor unit wind turbine is accomplished continuously or intermittently rotated with minimum wind speed, the high-temperature wet steam of confined space inside agitation indoor unit Vapour, makes high-temperature wet steam vapour be diffused into the inner surface of air passage, air inlet and return air inlet.
  9. A kind of 9. air conditioner, it is characterised in that including:Indoor unit, outdoor unit and controller, wherein:
    The controller is used for after air conditioner is opened, and control indoor unit enters dehumidification mode, controls indoor unit wind turbine to set Minimum speed is run, and adjustment wind guide strip reduces the surface temperature T0 of indoor set heat exchanger, change indoor unit to minimum outlet air position Hot device surface produces condensation water, after indoor environment temperature is started shooting to current reduction design temperature from air conditioner, stops indoor unit Dehumidifying operation, controls the indoor unit to enter heating operation mode, and adjusts the frequency and electric expansion valve of compressor of outdoor unit, Lift the surface temperature T0 to more than sterilising temp threshold values T of indoor set heat exchanger, and duration t.
  10. 10. air conditioner according to claim 9, it is characterised in that the controller is additionally operable to mechanism heat fortune in control room OK, and indoor unit fan parking is controlled, controls the air outlet and return air inlet closure of indoor unit, indoor unit is in totally-enclosed or half Closed state;And the frequency and electric expansion valve of compressor of outdoor unit are adjusted, lift the surface temperature T0 of indoor set heat exchanger To more than sterilising temp threshold values T, and duration t, afterwards, exit degerming pattern.
  11. 11. the air conditioner according to claim 9 or 10, it is characterised in that after opening air conditioner, enter in control indoor unit Before heating operation mode, the water of machine heat exchanger surface addition indoors.
  12. 12. air conditioner according to claim 11, it is characterised in that the controller be additionally operable to control indoor unit wind turbine with Minimum wind speed accomplished continuously or intermittently rotates, and the high-temperature wet steam vapour of confined space, is diffused into high-temperature wet steam vapour inside agitation indoor unit The inner surface in air passage, air inlet and return air inlet.
  13. 13. the air conditioner according to claim 9 or 10, it is characterised in that the controller is integrated in the indoor unit On electric-controlled plate.
CN201410086752.4A 2014-03-10 2014-03-10 Air conditioner method for disinfection and air conditioner Active CN104913429B (en)

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