CN108758971A - Electrochemical Refrigeration window air conditioner defrosting control method and control system, air-conditioning - Google Patents

Electrochemical Refrigeration window air conditioner defrosting control method and control system, air-conditioning Download PDF

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Publication number
CN108758971A
CN108758971A CN201810276540.0A CN201810276540A CN108758971A CN 108758971 A CN108758971 A CN 108758971A CN 201810276540 A CN201810276540 A CN 201810276540A CN 108758971 A CN108758971 A CN 108758971A
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CN
China
Prior art keywords
heat exchanger
outdoor heat
air conditioner
indoor
electrochemical refrigeration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810276540.0A
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Chinese (zh)
Inventor
张龙
朱百发
王若峰
乔光宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN201810276540.0A priority Critical patent/CN108758971A/en
Publication of CN108758971A publication Critical patent/CN108758971A/en
Priority to PCT/CN2018/117454 priority patent/WO2019184408A1/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F11/41Defrosting; Preventing freezing
    • F24F11/42Defrosting; Preventing freezing of outdoor units
    • 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
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • F24F11/64Electronic processing using pre-stored data
    • 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
    • F24F11/67Switching between heating and cooling modes
    • 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
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/20Heat-exchange fluid temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00Details or features not otherwise provided for
    • F24F2221/20Details or features not otherwise provided for mounted in or close to a window

Abstract

The invention discloses a kind of Electrochemical Refrigeration window air conditioner defrosting control method and control system and Electrochemical Refrigeration window air conditioners, belong to air-conditioning technical field.This method includes:Detect the temperature of the outdoor heat exchanger of the Electrochemical Refrigeration window air conditioner;The temperature of the outdoor heat exchanger detected and desired temperature are compared;And it when the temperature of the outdoor heat exchanger detected is less than or equal to desired temperature, controls the outdoor heat exchanger and is operated in heating mode, to defrost to the outdoor heat exchanger.The Electrochemical Refrigeration window air conditioner defrosting control method and control system of the present invention, defrosts to outdoor heat exchanger using the heating characteristic of air-conditioning itself, ensures air-conditioning normal operation, improves air-conditioning heating effect.

Description

Electrochemical Refrigeration window air conditioner defrosting control method and control system, air-conditioning
Technical field
The present invention relates to air-conditioning technical fields, more particularly to Electrochemical Refrigeration window air conditioner defrosting control method and control system System and Electrochemical Refrigeration window air conditioner.
Background technology
Most of air-conditionings especially domestic air conditioning is using steam compression type refrigeration in the prior art, by refrigerant Compression so that refrigerating state constantly changes, and the energy consumption of this kind of refrigeration modes is larger, and its release or leakage refrigerant, i.e., Fluoride pollutes the environment.
The present inventor application No. is CN201710054779.9, apply for title:Electrochemistry air-conditioning system and its controlling party The earlier application of method discloses a kind of electrochemistry air-conditioning system, including:Electrochemistry hydrogen pump, the first metal hydride heat exchanger, Two metal hydride heat exchangers, the first wind turbine and second wind turbine etc. pass through the first metal hydride heat exchanger and the second metallic hydrogen Compound heat exchanger alternately heats or refrigeration, and alternately unicom indoor and outdoors, realizes indoor continuous heating or refrigeration.Utilize gold Belong to hydride self-characteristic and realize refrigeration or heating, reaches energy-saving and environment-friendly effect.
And in the case where heating operating mode, it is in low temperature environment in outdoor heat exchanger, especially when in less than zero degree Environment in when, outdoor heat exchanger dehydrogenation heat absorption, frosted as the surrounding hydrogenesis of evaporator, after outdoor heat exchanger frosting Air conditioning performance can be seriously affected, leading to the electrochemistry hydrogen pump of Electrochemical Refrigeration window air conditioner, outdoor heat exchanger can not be after in commutation Continuous heating, power consumption increase, and influence the heating using effect and heating efficiency of air-conditioning.
Invention content
An embodiment of the present invention provides a kind of Electrochemical Refrigeration window air conditioner defrosting control method and control system, electrochemistry Freeze window air conditioner.In order to the embodiment to disclosure some aspects there are one basic understanding, be shown below simple general It includes.The summarized section is not extensive overview, nor to determine key/critical component or describe the protection of these embodiments Range.Its sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
According to a first aspect of the embodiments of the present invention, a kind of Electrochemical Refrigeration window air conditioner defrosting control method is provided.
In some optional embodiments, the method includes:Detect the outdoor heat exchange of the Electrochemical Refrigeration window air conditioner The temperature of device;The temperature of the outdoor heat exchanger detected and desired temperature are compared;And when the room detected When the temperature of external heat exchanger is less than or equal to desired temperature, controls the outdoor heat exchanger and be operated in heating mode, with to institute Outdoor heat exchanger is stated to defrost.
The Electrochemical Refrigeration window air conditioner defrosting control method of above-described embodiment, using the heating characteristic of air-conditioning itself to room External heat exchanger defrosts, and ensures air-conditioning normal operation.
Preferably, wherein control the outdoor heat exchanger and be operated in heating mode, to be removed to the outdoor heat exchanger Frost includes:The voltage commutation of the Electrochemical Refrigeration window air conditioner is controlled, so that the room of the Electrochemical Refrigeration window air conditioner External heat exchanger is operated in heating mode, and the indoor air duct for controlling the Electrochemical Refrigeration window air conditioner is stopped.
The Electrochemical Refrigeration window air conditioner defrosting control method of above-described embodiment, indoor heat exchanger and indoor wind during defrosting Road stops unicom, ensures that indoor heating refrigeration mode is not disorderly.
Preferably, this method further includes:The timing since the outdoor heat exchanger is operated in heating mode, to obtain defrosting Time;And when the defrosting time reaches setting time, indoor air duct described in the outdoor heat exchanger unicom is controlled, and Control air duct outside indoor heat exchanger unicom room.
Preferably, this method further includes:The timing since the outdoor heat exchanger is operated in heating mode, to obtain defrosting Time;And when the defrosting time reaches setting time, the voltage commutation of the Electrochemical Refrigeration window air conditioner is controlled, So that the indoor heat exchanger is operated in heating mode, and controls air duct in indoor heat exchanger unicom room, described in control Air duct outside outdoor heat exchanger unicom room.
The Electrochemical Refrigeration window air conditioner defrosting control method of above-described embodiment, after the completion of defrosting by outdoor heat exchanger after Continuous heating or the pattern for switching to indoor heat exchanger heating, ensure the continuity of indoor heating.
According to a second aspect of the embodiments of the present invention, a kind of Electrochemical Refrigeration window air conditioner defrosting control system is provided, In some alternative embodiments, which includes;Temperature-detecting device, the outdoor for detecting the Electrochemical Refrigeration window air conditioner The temperature of heat exchanger;And processor, it is configured to:By the temperature and desired temperature of the outdoor heat exchanger detected Compare;When the temperature of the outdoor heat exchanger detected is less than or equal to desired temperature, the outdoor heat exchanger is controlled It is operated in heating mode, to defrost to the outdoor heat exchanger.
Preferably, wherein the processor controls the outdoor heat exchanger and is operated in heating mode, to change the outdoor Hot device carries out defrosting:The voltage commutation of the Electrochemical Refrigeration window air conditioner is controlled, so that the Electrochemical Refrigeration window The outdoor heat exchanger of formula air-conditioning is operated in heating mode, and the indoor air duct for controlling the Electrochemical Refrigeration window air conditioner stops work Make.
Preferably, which further includes:Time set, based on since the outdoor heat exchanger is operated in heating mode When, to obtain defrosting time;And the processor is further configured to:When the defrosting time reaches setting time, control Indoor air duct described in the outdoor heat exchanger unicom, and control air duct outside indoor heat exchanger unicom room.
Preferably, which further includes:Time set, based on since the outdoor heat exchanger is operated in heating mode When, to obtain defrosting time;And the processor is further configured to:When the defrosting time reaches setting time, control The voltage commutation of the Electrochemical Refrigeration window air conditioner so that the indoor heat exchanger is operated in heating mode, and controls institute Air duct in indoor heat exchanger unicom room is stated, air duct outside outdoor heat exchanger unicom room is controlled.
According to a third aspect of the embodiments of the present invention, a kind of Electrochemical Refrigeration window air conditioner is provided, in some optional realities It applies in example, the Electrochemical Refrigeration window air conditioner includes that Electrochemical Refrigeration window air conditioner defrosting control any as described above is System.
Preferably, which further includes:Density of hydrogen detection device, for detecting the indoor heat exchanger and the outdoor The density of hydrogen of heat exchanger;The processor is further configured to:The hydrogen that the density of hydrogen detection device is detected is dense Degree and setting concentration value compare, and when the density of hydrogen is less than the setting concentration value, control the Electrochemical Refrigeration window The voltage commutation of air-conditioning, so that the indoor heat exchanger and the outdoor heat exchanger are worked alternatively in heating mode, and simultaneously Control triple valve commutation so that be operated in heating mode the indoor heat exchanger or outdoor heat exchanger unicom described in indoor wind Road.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not It can the limitation present invention.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the Electrochemical Refrigeration window air conditioning system structural representation according to the prior art shown in an exemplary embodiment Figure;
Fig. 2 is a kind of flow of Electrochemical Refrigeration window air conditioner defrosting control method shown according to an exemplary embodiment Schematic diagram;
Fig. 3 is a kind of stream of the Electrochemical Refrigeration window air conditioner defrosting control method shown according to another exemplary embodiment Journey schematic diagram;
Fig. 4 is a kind of stream of the Electrochemical Refrigeration window air conditioner defrosting control method shown according to another exemplary embodiment Journey schematic diagram;
Fig. 5 is a kind of stream of the Electrochemical Refrigeration window air conditioner defrosting control method shown according to another exemplary embodiment Journey schematic diagram;
Fig. 6 is a kind of structure of Electrochemical Refrigeration window air conditioner defrosting control system shown according to an exemplary embodiment Schematic diagram;
Fig. 7 is a kind of knot of the Electrochemical Refrigeration window air conditioner defrosting control system shown according to another exemplary embodiment Structure schematic diagram.
Reference numeral
In Fig. 1:1, electrochemistry hydrogen pump;2, the first metal hydride heat exchanger;3, the second metal hydride heat exchanger;4, One wind turbine;5, the second wind turbine;6, the first air duct;7, the second air duct;8, third air duct;9, the 4th air duct;10, the first triple valve; 11, the second triple valve;12, third triple valve;13, the 4th triple valve.
Specific implementation mode
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to Put into practice them.Embodiment only represents possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and And the sequence of operation can change.The part of some embodiments and feature can be included in or replace other embodiments Part and feature.The range of embodiment of the present invention includes the entire scope of claims and the institute of claims There is obtainable equivalent.Herein, each embodiment can individually or generally be indicated that this is only with term " invention " It is merely for convenience, and if in fact disclosing the invention more than one, be not meant to automatically limit the range of the application For any single invention or inventive concept.Herein, relational terms such as first and second and the like are used only for one Entity, which either operates to distinguish with another entity or operation, to be existed without requiring or implying between these entities or operation Any actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive Property include, so that process, method or equipment including a series of elements include not only those elements, but also to include Other elements that are not explicitly listed.Each embodiment herein is described by the way of progressive, and each embodiment stresses Be all difference from other examples, just to refer each other for identical similar portion between each embodiment.For implementing For structure, product etc. disclosed in example, since it is corresponding with part disclosed in embodiment, so fairly simple, the phase of description Place is closed referring to method part illustration.
Fig. 1 is the Electrochemical Refrigeration window air conditioning system structural representation according to the prior art shown in an exemplary embodiment Figure.As shown in Figure 1,1 is electrochemistry hydrogen pump, by two metal hydride heat exchangers inside and outside two Hydrogen Line junction chambers, In the first metal hydride heat exchanger 2 be indoor heat exchanger, the second metal hydride heat exchanger 3 be outdoor heat exchanger, the heat exchange System is that the wind of indoor and outdoor is drawn onto air duct by air-cooled heat exchange by two centrifugal fans i.e. the first wind turbine 4 and the second wind turbine 5, is led to It crosses T-way change-over solenoid valve 9,10,11 and 12 to blow out from indoor outgoing tuyere, be realized by the commutation of T-way change-over solenoid valve Continuous cooling or heating.
In a heating mode, when applying negative pressure to electrochemistry hydrogen pump 1, the first metal hydride heat exchanger 2 is room at this time Interior heat exchanger inhales hydrogen heat release as condenser, and the second metal hydride heat exchanger 3 is outdoor heat exchanger dehydrogenation heat absorption, as evaporation The directions AB of device, the first triple valve 10 and the second triple valve 11 are connected, the directions AC of third triple valve 12 and the 4th triple valve 13 Conducting, room air suck the first air duct 6 by i.e. the first wind turbine 4 of centrifugal fan and are blown out from indoor air outlet, and outdoor air is by the Two wind turbines 5 suck the 4th air duct 9 and are blown out from outdoor air outlet, realize the indoor heating under negative pressure at this time;When to electrochemistry hydrogen pump 1 When applying positive pressure, the second metal hydride heat exchanger 3 is that outdoor heat exchanger inhales hydrogen heat release as condenser, the first metallic hydrogen at this time Compound heat exchanger 2 is that indoor heat exchanger dehydrogenation heat absorption is used as evaporator, the directions AC of the first triple valve 10 and the second triple valve 11 The directions the AB conducting of conducting, third triple valve 12 and the 4th triple valve 13, room air is freezed by indoor heat exchanger at this time It is blown out from outdoor air outlet through the second air duct 7, outdoor air is heated through third air duct 8 by outdoor heat exchanger from indoor outlet air Mouth blowout, realizes the indoor heating of direct draught at this time.By positive/negative-pressure at certain time intervals under alternating apply, the air-conditioning system System just realizes continuous heating.
The alternating heating of external heat exchanger in above-mentioned Electrochemical Refrigeration window air conditioner room, and the heat exchanger of heating is passed through into threeway The switching of valve replaces unicom to interior, realizes indoor continuous heating.And it is in use, since outdoor heat exchanger is in low temperature ring In border, when indoor heat exchanger heating and outdoor heat exchanger freeze when, outdoor heat exchanger easily occur as evaporator condensation vapor at White phenomenon when outdoor heat exchanger needs heating, is needed to carry out/the defrost that defrosts first, be removed at this point, when electrochemical hydrogen pump voltage commutates The pre- heat absorption heat of frost will postpone to provide heat for interior, reduces the heating effect of air-conditioning, influences operation of air conditioner effect.The present invention It is proposed based on above-mentioned technical problem, by defrosting, control system, control method defrost to Electrochemical Refrigeration window air conditioner, carry The heating efficiency of high air-conditioning improves the operational effect of air-conditioning.2-7 is to specific embodiment and relevant effect below in conjunction with the accompanying drawings It illustrates.
Fig. 2 is a kind of flow of Electrochemical Refrigeration window air conditioner defrosting control method shown according to an exemplary embodiment Schematic diagram.As shown in Fig. 2, the Electrochemical Refrigeration window air conditioner defrosting control method of one embodiment of the present invention, including:In step In rapid S110, the temperature of the outdoor heat exchanger of the Electrochemical Refrigeration window air conditioner is detected;In the step s 120, it will be detected The temperature and desired temperature of the outdoor heat exchanger compare, and judge whether the temperature of outdoor heat exchanger sets less than or equal to temperature Definite value;And when the temperature of the outdoor heat exchanger detected is less than or equal to desired temperature, in step s 130, It controls the outdoor heat exchanger and is operated in heating mode, to defrost to the outdoor heat exchanger.
In said program, for Electrochemical Refrigeration window air conditioner in low temperature environment, indoor heat exchanger is in heating work Under pattern, outdoor heat exchanger is inhaled hydrogen heat release generation condensation vapor and is frosted, can influence the normal operation of air-conditioning as evaporator, this When, when the temperature Tw of the outdoor heat exchanger of the Electrochemical Refrigeration window air conditioner of detection is less than or equal to desired temperature T, it is believed that Outdoor heat exchanger needs defrost/defrosting, at this point, control outdoor heat exchanger is operated in heating mode, such as can be applied by control It is added in the voltage commutation of the electrochemistry hydrogen pump of Electrochemical Refrigeration window air conditioner so that outdoor heat exchanger is absorbed heat operating mode by dehydrogenation It is switched to and inhales hydrogen heat release operating mode, i.e., condenser is switched to by evaporator, the heat heat exchanging device during self-heat generation Solidifying frost melts, and to carry out defrosting operation, the influence for avoiding frosting from bringing the normal work of outdoor heat exchanger ensures that air-conditioning is normal Operation improves heating effect and operational efficiency.Heating and defrosting, nothing are carried out to outdoor heat exchanger using the heating characteristic of air-conditioning itself Hardware configuration need to be increased, without using other defrosters, energy saving and cost.
In said program, such as it can be heated by outdoor heat exchanger or indoor heat exchanger after the completion of defrosting, and Heat exchanger under heating mode is connected to indoor air duct, to continue indoor heating.
Fig. 3 is a kind of stream of the Electrochemical Refrigeration window air conditioner defrosting control method shown according to another exemplary embodiment Journey schematic diagram.As shown in figure 3, the Electrochemical Refrigeration window air conditioner defrosting control method of another embodiment of the present invention, wherein It controls the outdoor heat exchanger and is operated in heating mode, include to carry out defrosting to the outdoor heat exchanger:In step S132, The voltage commutation of the Electrochemical Refrigeration window air conditioner is controlled, so that the outdoor heat exchanger of the Electrochemical Refrigeration window air conditioner It is operated in heating mode, and in step S134, the indoor air duct for controlling the Electrochemical Refrigeration window air conditioner is stopped.
In said program, the indoor heat exchanger and outdoor heat exchanger of Electrochemical Refrigeration window air conditioner alternately freeze or make Heat, when outdoor heat exchanger, which is switched to condenser modes suction hydrogen heat release, to be defrosted, the voltage commutation of electrochemistry hydrogen pump, such as apply For making alive from just becoming negative, indoor heat exchanger dehydrogenation heat absorption is switched to evaporator, at this point, indoor is heating needs, to avoid room Interior heat exchanger, which is switched to the refrigeration effect that evaporator is brought, influences indoor temperature, and the unicom of indoor heat exchanger and indoor air duct is broken It opens, is reduced to avoid indoor temperature, indoor heating refrigeration mode is caused to get muddled, ensure air-conditioning normal operation.
With reference to figure 1, when outdoor heat exchanger carries out defrosting program, indoor heat exchanger uses for evaporator, indoor heat exchanger It is closed with the unicom in indoor air duct, such as can to control indoor fan i.e. the first wind turbine 4 out of service, so that indoor heat exchange Room air will not be freezed and be recycled to interior by the first air duct 6 by device, to avoid caused by the cooling of room air Cooling and warming pattern is disorderly, ensures air-conditioning normal operation.
Fig. 4 is a kind of stream of the Electrochemical Refrigeration window air conditioner defrosting control method shown according to another exemplary embodiment Journey schematic diagram.As shown in figure 4, this method further includes:In step S140, it is operated in heating mode from the outdoor heat exchanger and opens Beginning timing, to obtain defrosting time;And in step S150, judge whether defrosting time reaches setting time, is removed when described When the white time reaches setting time, in step S160, indoor air duct described in the outdoor heat exchanger unicom, and control room are controlled Air duct outside interior heat exchanger unicom room.
In said program, defrosting time/practical defrost time is set as t, setting time/default defrost time is t0, can Work as t with setting>When t0, the solidifying white wholeization on outdoor heat exchanger is complete.It defrosts when outdoor heat exchanger is operated in heating mode When, that is, start timing, obtain defrosting time t, when defrosting time t reaches setting time t0, it is believed that defrosting is completed, and outdoor is changed Hot device and indoor air duct unicom, outdoor heat exchanger are operated in condenser modes, inhale hydrogen heat release and continue as indoor offer hot wind;This When, such as can be by indoor heat exchanger and outdoor air duct unicom, air-conditioning system switches to normal indoor heating pattern, after reforwarding Row.
In said program, after the completion of outdoor heat exchanger heating and defrosting, continues with it and carry out heating operation, only change The unicom mode of hot device and indoor outer air duct reduces and is operated to the voltage commutation of the electrochemistry hydrogen pump of air-conditioning, saves system The procedure operation frequency, improve the operational efficiency of system.
In said program, such as the cooling and warming work of Electrochemical Refrigeration window air conditioning system shown in FIG. 1 can be referred to Pattern realizes indoor heat exchanger, outdoor heat exchanger and indoor air duct, room to the ON/OFF switching in the direction AB, AC of triple valve The unicom of outer air duct and disconnection control
After the completion of defrosting, control outdoor heat exchanger continues to operate in heating mode, controls the first triple valve 10 and second The directions AC of triple valve 11 are connected, and control the directions the AB conducting of third triple valve 12 and the 4th triple valve 13, then indoor heat exchanger Air outlet unicom room outside, in the air outlet unicom room of outdoor heat exchanger, outdoor heat exchanger by outdoor air heat through being recycled to Interior carries out indoor heating.
Fig. 5 is a kind of stream of the Electrochemical Refrigeration window air conditioner defrosting control method shown according to another exemplary embodiment Journey schematic diagram.As shown in figure 5, exemplary embodiment as shown in fig. 4 corresponds to, this method further includes:In step S140, from institute It states outdoor heat exchanger and is operated in heating mode and start timing, to obtain defrosting time;And in step S150, judge to defrost Whether the time reaches setting time, when the defrosting time reaches setting time, in step S172, controls the electrochemistry The voltage commutation of refrigeration window air conditioner, so that the indoor heat exchanger is operated in heating mode, and in step S174, control Air duct in indoor heat exchanger unicom room controls air duct outside outdoor heat exchanger unicom room.
Above-mentioned example illustrates that exemplary illustration as shown in fig. 4 is corresponding, after the completion of judging defrosting program, control room External heat exchanger by suction hydrogen Heat release mode/heating mode switch to dehydrogenation absorb heat pattern/refrigeration mode, indoor heat exchanger then on the contrary, And heating mode is switched to by refrigeration mode, then interior is heated by indoor heat exchanger, correspondingly, indoor heat exchanger With indoor air duct unicom, outdoor heat exchanger and outdoor air duct unicom make air-conditioning normal operation to continue to run with heating program.
After the completion of defrosting, control indoor heat exchanger is operated in heating mode, controls the first triple valve 10 and the second threeway The directions AB of valve 11 are connected, control the directions the AC conducting of third triple valve 12 and the 4th triple valve 13, then indoor heat exchanger goes out Outside the unicom room of air port, in the air outlet unicom room of outdoor heat exchanger, room air is heated and is recycled indoors by indoor heat exchanger, Carry out indoor heating.
In said program, according to the temperature of the outdoor heat exchanger detected or the outdoor temperature of detection come when determining defrosting Between, such as according to experiment or the relation curve of the temperature/outdoor temperature and defrosting time of empirical value setting outdoor heat exchanger, by examining Temperature/outdoor temperature of the outdoor heat exchanger of survey determines setting time, when the defrosting time in method shown in Fig. 5 reaches setting Between after, stop defrosting, into normal heating mode.
In said program, as an example, for example can be according to the temperature of actually detected outdoor heat exchanger and setting for defrosting The correspondence fixed time, establishes empirical table, with obtain outdoor heat exchanger temperature or outdoor temperature after, according to the correspondence Table determines the setting time of defrosting.
As another example, such as the setting time of defrosting and temperature/outdoor temperature of outdoor heat exchanger can also be established Calculation formula, t0=a-KTw;Wherein t0 is the setting time of defrosting, and Tw is the temperature or outdoor temperature of outdoor heat exchanger, Tw It≤0 DEG C, when the temperature of outdoor heat exchanger or outdoor temperature are less than 0 DEG C, need to start defrosting program, effectively be defrosted Setting time;K is proportionality coefficient, and a is defrosting initial setting time, i.e., when the temperature of outdoor heat exchanger or outdoor temperature are 0 DEG C When defrosting time increase to the setting time K in direct ratio of defrosting when outdoor heat exchanger temperature or outdoor temperature are lower.
Defrosting control method/system of the respective embodiments described above can determine that the voltage commutation time changes based on experience value The time that hot device absorbs or release hydrogen should be much larger than the defrost time, will not lead to heat exchanger occur during defrost in this way Commutation phenomena, so as to cause the disorder of indoor cooling and warming.
Above-mentioned Electrochemical Refrigeration window air conditioner defrosting control method is special using the heating of Electrochemical Refrigeration window air conditioner itself Property, defrosting operation is carried out to the outdoor heat exchanger in low temperature environment, guarantee air-conditioning is normally transported in the case of not increasing additional hardware Row, improves the reliability and operational efficiency of operation of air conditioner.
According to a second aspect of the embodiments of the present invention, a kind of Electrochemical Refrigeration window air conditioner defrosting control system, Fig. 6 are provided It is a kind of structural schematic diagram of Electrochemical Refrigeration window air conditioner defrosting control system shown according to an exemplary embodiment.Such as figure The Electrochemical Refrigeration window air conditioner control system of one embodiment of the present invention shown in 6, including;Temperature-detecting device 110 is used In the temperature for the outdoor heat exchanger for detecting the Electrochemical Refrigeration window air conditioner;And processor 120, it is configured to:It will be examined The temperature and desired temperature for the outdoor heat exchanger surveyed compare;Be less than when the temperature of the outdoor heat exchanger detected or It when equal to desired temperature, controls the outdoor heat exchanger and is operated in heating mode, to defrost to the outdoor heat exchanger.
In said program, the processor controls the outdoor heat exchanger and is operated in heating mode, to change the outdoor Hot device carries out defrosting:The voltage commutation of the Electrochemical Refrigeration window air conditioner is controlled, so that the Electrochemical Refrigeration window The outdoor heat exchanger of formula air-conditioning is operated in heating mode, and the indoor air duct for controlling the Electrochemical Refrigeration window air conditioner stops work Make.
Fig. 7 is a kind of knot of the Electrochemical Refrigeration window air conditioner defrosting control system shown according to another exemplary embodiment Structure schematic diagram.The Electrochemical Refrigeration window air conditioner control system of another embodiment of the present invention as shown in Figure 7 further includes: Time set 112, for the timing since the outdoor heat exchanger is operated in heating mode, to obtain defrosting time;And institute Processor is stated to be further configured to:When the defrosting time reaches setting time, room described in the outdoor heat exchanger unicom is controlled Interior air duct, and control air duct outside indoor heat exchanger unicom room.
As another example of Fig. 7, wherein processor 120 for example can be configured to:When the defrosting time reaches When setting time, the voltage commutation of the Electrochemical Refrigeration window air conditioner is controlled, so that the indoor heat exchanger is operated in system Heat pattern, and air duct in indoor heat exchanger unicom room is controlled, control air duct outside outdoor heat exchanger unicom room.
The related description of Electrochemical Refrigeration window air conditioner defrosting control system can refer to Electrochemical Refrigeration window shown in Fig. 2-5 Related description in formula air-conditioner defrosting control method, does not repeat one by one herein.
Another exemplary embodiment of the present invention is a kind of Electrochemical Refrigeration window air conditioner (not shown).Institute as above will be included State any Electrochemical Refrigeration window air conditioner defrosting control system.Such as may include Fig. 6 or shown in Fig. 7 Electrochemical Refrigerations Window air conditioner defrosting control system and Electrochemical Refrigeration window air conditioner shown in FIG. 1 combine, to obtain the electrification that can be defrosted The cold window air conditioner of length of schooling.
As an example, the air-conditioning further includes:Density of hydrogen detection device, for detecting the indoor heat exchanger and the room The density of hydrogen of external heat exchanger;The processor is further configured to:The hydrogen that the density of hydrogen detection device is detected Concentration and setting concentration value compare, and when the density of hydrogen is less than the setting concentration value, control the Electrochemical Refrigeration window The voltage commutation of formula air-conditioning, so that the indoor heat exchanger and the outdoor heat exchanger are worked alternatively in heating mode, and it is same When control triple valve commutation so that be operated in heating mode the indoor heat exchanger or outdoor heat exchanger unicom described in it is indoor Air duct.
It should be understood that the invention is not limited in the flow and structure that are described above and are shown in the accompanying drawings, And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by the attached claims System.

Claims (10)

1. a kind of Electrochemical Refrigeration window air conditioner defrosting control method, which is characterized in that this method includes:
Detect the temperature of the outdoor heat exchanger of the Electrochemical Refrigeration window air conditioner;
The temperature of the outdoor heat exchanger detected and desired temperature are compared;And
When the temperature of the outdoor heat exchanger detected is less than or equal to desired temperature, the outdoor heat exchanger work is controlled Make in heating mode, to defrost to the outdoor heat exchanger.
2. according to the method described in claim 1, it is characterized in that, wherein, controlling the outdoor heat exchanger and being operated in heating mould Formula, with to the outdoor heat exchanger carry out defrosting include:
The voltage commutation of the Electrochemical Refrigeration window air conditioner is controlled, so that the outdoor of the Electrochemical Refrigeration window air conditioner is changed Hot device is operated in heating mode, and the indoor air duct for controlling the Electrochemical Refrigeration window air conditioner is stopped.
3. according to the method described in claim 2, it is characterized in that, this method further includes:
The timing since the outdoor heat exchanger is operated in heating mode, to obtain defrosting time;And
When the defrosting time reaches setting time, indoor air duct described in the outdoor heat exchanger unicom, and control room are controlled Air duct outside interior heat exchanger unicom room.
4. according to the method described in claim 2, it is characterized in that, this method further includes:
The timing since the outdoor heat exchanger is operated in heating mode, to obtain defrosting time;And
When the defrosting time reaches setting time, the voltage commutation of the Electrochemical Refrigeration window air conditioner is controlled, so that The indoor heat exchanger is operated in heating mode, and controls air duct in indoor heat exchanger unicom room, controls the outdoor and changes Air duct outside hot device unicom room.
The control system 5. a kind of Electrochemical Refrigeration window air conditioner defrosts, which is characterized in that the system includes;
Temperature-detecting device, the temperature of the outdoor heat exchanger for detecting the Electrochemical Refrigeration window air conditioner;And
Processor is configured to:
The temperature of the outdoor heat exchanger detected and desired temperature are compared;
When the temperature of the outdoor heat exchanger detected is less than or equal to desired temperature, the outdoor heat exchanger work is controlled Make in heating mode, to defrost to the outdoor heat exchanger.
6. system according to claim 5, which is characterized in that wherein,
The processor controls the outdoor heat exchanger and is operated in heating mode, to carry out defrosting packet to the outdoor heat exchanger It includes:
The voltage commutation of the Electrochemical Refrigeration window air conditioner is controlled, so that the outdoor of the Electrochemical Refrigeration window air conditioner is changed Hot device is operated in heating mode, and the indoor air duct for controlling the Electrochemical Refrigeration window air conditioner is stopped.
7. system according to claim 6, which is characterized in that the system further includes:
Time set, for the timing since the outdoor heat exchanger is operated in heating mode, to obtain defrosting time;And
The processor is further configured to:When the defrosting time reaches setting time, the outdoor heat exchanger unicom is controlled The interior air duct, and control air duct outside indoor heat exchanger unicom room.
8. system according to claim 6, which is characterized in that the system further includes:
Time set, for the timing since the outdoor heat exchanger is operated in heating mode, to obtain defrosting time;And
The processor is further configured to:When the defrosting time reaches setting time, the Electrochemical Refrigeration window is controlled The voltage commutation of air-conditioning so that the indoor heat exchanger is operated in heating mode, and controls indoor heat exchanger unicom room Interior air duct controls air duct outside outdoor heat exchanger unicom room.
9. a kind of Electrochemical Refrigeration window air conditioner, which is characterized in that the air-conditioning includes:
Electrochemical Refrigeration window air conditioner defrosting control system described in any one of claim 5-8.
10. air-conditioning according to claim 9, which is characterized in that the air-conditioning further includes:
Density of hydrogen detection device, the density of hydrogen for detecting the indoor heat exchanger and the outdoor heat exchanger;
The processor is further configured to:
The density of hydrogen of density of hydrogen detection device detection and setting concentration value are compared, when the density of hydrogen is small When the setting concentration value, the voltage commutation of the Electrochemical Refrigeration window air conditioner is controlled, so that the indoor heat exchanger It is worked alternatively in heating mode with the outdoor heat exchanger, and controls triple valve commutation simultaneously, so that being operated in heating mode The indoor heat exchanger or outdoor heat exchanger unicom described in indoor air duct.
CN201810276540.0A 2018-03-30 2018-03-30 Electrochemical Refrigeration window air conditioner defrosting control method and control system, air-conditioning Pending CN108758971A (en)

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CN201810276540.0A CN108758971A (en) 2018-03-30 2018-03-30 Electrochemical Refrigeration window air conditioner defrosting control method and control system, air-conditioning
PCT/CN2018/117454 WO2019184408A1 (en) 2018-03-30 2018-11-26 Defrosting control method and control system for electrochemically refrigerative window-type air conditioner, and air conditioner

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WO2019184408A1 (en) * 2018-03-30 2019-10-03 青岛海尔空调器有限总公司 Defrosting control method and control system for electrochemically refrigerative window-type air conditioner, and air conditioner
CN112856720A (en) * 2021-01-29 2021-05-28 青岛海尔空调器有限总公司 Defrosting control method and device for air conditioner and air conditioner

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CN106288071A (en) * 2016-07-21 2017-01-04 青岛海尔空调器有限总公司 Electrochemistry air conditioning system
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WO2019184408A1 (en) * 2018-03-30 2019-10-03 青岛海尔空调器有限总公司 Defrosting control method and control system for electrochemically refrigerative window-type air conditioner, and air conditioner
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CN112856720A (en) * 2021-01-29 2021-05-28 青岛海尔空调器有限总公司 Defrosting control method and device for air conditioner and air conditioner

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