CN109489180A - One kind removing defrosting system, Defrost method and air conditioner - Google Patents

One kind removing defrosting system, Defrost method and air conditioner Download PDF

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Publication number
CN109489180A
CN109489180A CN201811367922.0A CN201811367922A CN109489180A CN 109489180 A CN109489180 A CN 109489180A CN 201811367922 A CN201811367922 A CN 201811367922A CN 109489180 A CN109489180 A CN 109489180A
Authority
CN
China
Prior art keywords
water route
unit
condition
auxiliary water
temperature
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
CN201811367922.0A
Other languages
Chinese (zh)
Inventor
马东
孙辉
赵雷
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 Conditioning Electric Co Ltd
Original Assignee
Qingdao Haier Air Conditioning Electric Co 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 Conditioning Electric Co Ltd filed Critical Qingdao Haier Air Conditioning Electric Co Ltd
Priority to CN201811367922.0A priority Critical patent/CN109489180A/en
Publication of CN109489180A publication Critical patent/CN109489180A/en
Priority to PCT/CN2019/096541 priority patent/WO2020098302A1/en
Priority to EP19884404.5A priority patent/EP3882531A4/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
    • 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
    • F24F11/70Control 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
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • 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

Abstract

The invention discloses one kind to remove defrosting system, belongs to air conditioner Defrost technology field.It should include: auxiliary water route and controller except defrosting system;The auxiliary water route is arranged in condenser side;The controller includes: first unit, for obtaining environment temperature;Second unit, for obtaining auxiliary water route coil temperature;Third unit, for according to the environment temperature and auxiliary water route coil temperature, the high-temperature-hot-water of main waterway to be connected in control auxiliary water route.Using the alternative embodiment, in the non-stop-machine situation of heat pump unit, by the way that the high-temperature-hot-water of main waterway to be introduced to the auxiliary water route of condenser side, condenser defrosting operation can be completed, heat pump unit continuous service is ensure that, avoids defrosting process unit frequent start-stop.The invention also discloses a kind of Defrost method and air conditioners.

Description

One kind removing defrosting system, Defrost method and air conditioner
Technical field
The present invention relates to air conditioner Defrost technology fields, in particular to a kind of to remove defrosting system, Defrost method and air conditioner.
Background technique
Currently, when evaporator surface temperature is lower than zero degree, it is existing that heat exchanger surface will appear frosting when heat pump unit heats As the frost accumulated on heat exchanger surface by blocking air duct and reduces heat transfer area, the flow resistance of air as removed not in time It significantly increases, heat exchange efficiency reduces, and declines heat pump unit overall performance, it is therefore desirable to periodically defrosting.
Existing air conditioner Defrost technology, after air conditioner unit reaches defrosting condition, four-way valve commutation, compressor air-discharging Side high-temperature-hot-water is directly entered fin side and defrosts, and after the completion of defrosting, four-way valve commutation unit enters heating mode;Except frost season Between unit be in and do not heat state, the heating capacity of unit also causes unit capacity to decline because frequently defrosting.
Therefore, how to solve the problems, such as heat pump unit frosting, to reduce influence of the defrosting process to heat pump unit heating capacity, be Those skilled in the art's urgent problem to be solved at present.
Summary of the invention
The embodiment of the invention provides one kind to remove defrosting system, Defrost method and air conditioner.For the embodiment to disclosure Some aspects have a basic understanding, and simple summary is shown below.The summarized section is not extensive overview, nor wanting It determines key/critical component or describes the protection scope of these embodiments.Its sole purpose is presented with simple form Some concepts, in this, as the preamble of following detailed description.
According to a first aspect of the embodiments of the present invention, it provides a kind of except defrosting system.
In some optional embodiments, described except defrosting system includes: auxiliary water route and controller;The auxiliary water route setting In condenser side;The controller includes: first unit, for obtaining environment temperature;Second unit, for obtaining the auxiliary Water route coil temperature;Third unit, for according to the environment temperature and auxiliary water route coil temperature, control auxiliary water route Connect the high-temperature-hot-water of main waterway.
Optionally, the third unit includes: the first judging unit, for judging whether the environment temperature meets first Condition;Second judgment unit, for judging whether auxiliary water route coil temperature meets second condition;When the environment temperature Meet first condition, and when auxiliary water route coil temperature meets second condition, the third unit control auxiliary water route Connect the high-temperature-hot-water of main waterway.
Optionally, the third unit includes: the first judging unit, for judging whether the environment temperature meets first Condition;Second judgment unit, for judging whether auxiliary water route coil temperature meets second condition;Third judging unit, For judging whether the runing time of heat pump unit in a heating mode meets third condition;When the environment temperature meets first Condition, and when auxiliary water route coil temperature meets second condition, and when the operation of the heat pump unit in a heating mode Between when meeting third condition, the high-temperature-hot-water of main waterway is connected in the third unit control auxiliary water route.
Optionally, the third unit includes: the first judging unit, for judging whether the environment temperature meets first Condition;Second judgment unit, for judging whether auxiliary water route coil temperature meets second condition;Third judging unit, For judging whether the runing time of heat pump unit in a heating mode meets third condition;4th judging unit, for judging Whether the time apart from last time defrosting process meets fourth condition;When the environment temperature meets first condition, and the auxiliary When water route coil temperature meets second condition, and the runing time of the heat pump unit in a heating mode meets third condition, And the time apart from last time defrosting process, when meeting fourth condition, the height of main waterway is connected in third unit control auxiliary water route Warm water.
Optionally, water pump is set between the auxiliary water route and the main waterway, the controller control water pump open or Person closes.
According to a second aspect of the embodiments of the present invention, a kind of air conditioner is provided.
In some optional embodiments, the air conditioner includes condenser, further includes described in aforementioned any alternative embodiment Defroster.
According to a third aspect of the embodiments of the present invention, a kind of Defrost method is provided, for defrosting to air conditioner.
In some optional embodiments, for defrosting to air conditioner, the air conditioner is condensing the Defrost method Device side is provided with auxiliary water route, comprising the following steps: obtains environment temperature and auxiliary water route coil temperature;According to the ring The high-temperature-hot-water of main waterway is connected in border temperature and auxiliary water route coil temperature, control auxiliary water route.
Optionally, according to the environment temperature and auxiliary water route coil temperature, main waterway is connected in control auxiliary water route High-temperature-hot-water the step of, comprising: when the environment temperature meets first condition, and the auxiliary water route coil temperature meets When second condition, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
Optionally, the Defrost method further include: obtain the runing time of heat pump unit in a heating mode;When the ring Border temperature meets first condition, and auxiliary water route coil temperature meets second condition, and the heat pump unit is in heating mould When runing time under formula meets third condition, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
Optionally, the Defrost method further include: obtain heat pump unit runing time in a heating mode and apart from upper The time of secondary defrosting process;When the environment temperature meets first condition, and auxiliary water route coil temperature meets Article 2 Part, and the runing time of the heat pump unit in a heating mode meets third condition, and the time apart from last time defrosting process When meeting fourth condition, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
Technical solution provided in an embodiment of the present invention can include the following benefits:
It can be in the non-stop-machine situation of heat pump unit, through the auxiliary that the high-temperature-hot-water of main waterway is introduced to condenser side Water route completes condenser defrosting operation, ensure that heat pump unit continuous service, avoid defrosting process unit frequent start-stop.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of block diagram except defrosting system shown according to an exemplary embodiment;
Fig. 2 is the block diagram of the third unit shown according to an exemplary embodiment except defrosting system;
Fig. 3 be show according to another exemplary embodiment except defrosting system third unit block diagram;
Fig. 4 be show according to another exemplary embodiment except defrosting system third unit block diagram;
Fig. 5 is a kind of flow diagram of Defrost method shown according to an exemplary embodiment;
Fig. 6 is a kind of flow diagram of the Defrost method shown according to another exemplary embodiment;
Fig. 7 is a kind of flow diagram of the Defrost method shown according to another exemplary embodiment.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to Practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims Object.Herein, each embodiment individually or can be indicated generally with term " invention ", and it is convenient that this is used for the purpose of, And if in fact disclosing the invention more than one, the range for being not meant to automatically limit the application is any single invention Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with Another entity or operation distinguish, and without requiring or implying, there are any actual relationships between these entities or operation Or sequence.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, thus So that process, method or equipment including a series of elements not only include those elements, but also including being not explicitly listed Other element, or further include for this process, method or the intrinsic element of equipment.In the feelings not limited more Under condition, the element that is limited by sentence "including a ...", it is not excluded that in process, method or equipment including the element In there is also other identical elements.Each embodiment herein is described in a progressive manner, and each embodiment stresses Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For implementing For method, product etc. disclosed in example, since it is corresponding with method part disclosed in embodiment, so the comparison of description is simple Single, reference may be made to the description of the method.
Fig. 1 shows an alternative embodiment except defrosting system.
It is described except defrosting system includes: auxiliary water route 2 and controller 3 in the alternative embodiment;The auxiliary water route 2 is arranged In 4 side of condenser, the auxiliary water route 2 is the branch drawn from main waterway 1;The controller 3 includes: first unit 301, for obtaining environment temperature;Second unit 302, for obtaining auxiliary water route coil temperature;Third unit 303 is used According to the environment temperature and auxiliary water route coil temperature, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
It, can be in the non-stop-machine situation of heat pump unit, by by the high-temperature-hot-water of main waterway using the alternative embodiment The auxiliary water route of condenser side is introduced, condenser defrosting operation is completed, ensure that heat pump unit continuous service, avoid and defrosted Journey unit frequent start-stop.And traditional air conditioner Defrost method, heat pump unit is in and does not heat state during defrosting, needs four-way Valve commutation, compressor air-discharging side high-temperature-hot-water is directly entered condenser side and defrosts, after the completion of defrosting, four-way valve commutation, and heat Pump assembly is again introduced into heating mode.
Optionally, water pump is set between auxiliary water route and the main waterway, and the controller control water pump is opened or closed It closes, when water pump is opened, auxiliary water route is connected with main waterway, and the part high-temperature-hot-water in main waterway is circulated to auxiliary water route, uses It defrosts in condenser;When water pump is closed, water route and main waterway is assisted to disconnect.
Using the alternative embodiment, the connection between auxiliary water route and main waterway is realized by water pump, it on the one hand can be real It is now reliable on or off between auxiliary water route and main waterway, the velocity of liquid assets of high-temperature-hot-water on the other hand can be improved.
Certainly, those skilled in the art's introduction according to the present invention, can also select other devices realize auxiliary water route and On or off control between main waterway, such as solenoid valve etc..
Fig. 2 shows an alternative embodiments of third unit.
In the alternative embodiment, the third unit 303 includes: the first judging unit 3031, for judging the environment Whether temperature meets first condition;Second judgment unit 3032, for judging whether auxiliary water route coil temperature meets Two conditions;It is described when the environment temperature meets first condition, and auxiliary water route coil temperature meets second condition The high-temperature-hot-water of main waterway is connected in third unit control auxiliary water route.
Optionally, the first condition are as follows: 5 DEG C of Ta≤20 DEG C <, wherein Ta is environment temperature.
For example, first judging unit includes comparing unit, comparing unit be used for by collected environment temperature with deposit The temperature upper limit stored in reservoir compares with lower limit value, and when environment temperature meets first condition, the first judging unit is defeated "Yes" out, when environment temperature is unsatisfactory for first condition, the first judging unit exports "No".
Optionally, the second condition is: Te≤5 DEG C, wherein Te is auxiliary water route coil temperature.
For example, the second judgment unit also includes comparing unit, comparing unit for will assist water route coil temperature and The upper limit value of the second condition stored in memory compares, and when assisting water route coil temperature to meet second condition, second sentences Disconnected unit exports "Yes", and when assisting water route coil temperature to be unsatisfactory for second condition, second judgment unit exports "No".
Optionally, auxiliary water route coil temperature is inlet pipeline temperature, alternatively, auxiliary water route coil temperature is Outlet pipeline temperature.Optionally, the auxiliary water route coil temperature passes through the temperature sensing that auxiliary water route outlet pipeline is arranged in Device obtains.Optionally, the auxiliary water route coil temperature passes through the temperature sensor acquisition that auxiliary water route inlet pipeline is arranged in.
Optionally, the second condition is: Te≤5 DEG C and lasting t1Time, wherein Te is auxiliary water route coil temperature, t1 It is 1~5 minute.
For example, the second judgment unit includes comparing unit and timing unit, comparing unit is used for will be collected auxiliary Help water route coil temperature compared with the temperature upper limit of the second condition stored in memory, when auxiliary water route coil temperature is full When sufficient temperature condition, comparing unit exports "Yes", when assisting water route coil temperature to be unsatisfactory for temperature condition, comparing unit output "No";Timing unit is used to start timing when assisting water route coil temperature to meet temperature condition, when timing time meets the time When condition, timing unit exports "Yes", and when timing time is unsatisfactory for time conditions, timing unit exports "No".
Using the alternative embodiment, the second condition includes temperature condition and time conditions, can prevent auxiliary water route Defrosting caused by coil temperature mutation operates false triggering.When assisting coil temperature mutation in water route to be restored to normal range (NR) again Between interval be unsatisfactory for time conditions, then assist water route coil temperature to be unsatisfactory for second condition.When auxiliary water route coil temperature meets Temperature condition continues for some time again when meeting time conditions, then water route coil temperature is assisted to meet second condition.
Fig. 3 shows another alternative embodiment of third unit.
In the alternative embodiment, the third unit 303 includes: the first judging unit 3031, for judging the environment Whether temperature meets first condition;Second judgment unit 3032, for judging whether auxiliary water route coil temperature meets Two conditions;Third judging unit 3033, for judging whether the runing time of heat pump unit in a heating mode meets Article 3 Part;When the environment temperature meets first condition, and auxiliary water route coil temperature meets second condition, and the heat pump machine When the runing time of group in a heating mode meets third condition, the height of main waterway is connected in the third unit control auxiliary water route Warm water.
Using the alternative embodiment, when heating mode starts, frost will not occur for condenser side, without defrosting Operation, therefore, heat pump unit carries out defrosting operation after running a period of time in a heating mode again, and the fortune of air conditioner can be improved Line efficiency.
Optionally, the first condition are as follows: 5 DEG C of Ta≤20 DEG C <, wherein Ta is environment temperature.
Optionally, the second condition is: Te≤5 DEG C, wherein Te is auxiliary water route coil temperature.
Optionally, auxiliary water route coil temperature is inlet pipeline temperature, alternatively, auxiliary water route coil temperature is Outlet pipeline temperature.Optionally, the auxiliary water route coil temperature passes through the temperature sensing that auxiliary water route outlet pipeline is arranged in Device obtains.Optionally, the auxiliary water route coil temperature passes through the temperature sensor acquisition that auxiliary water route inlet pipeline is arranged in.
Optionally, the second condition is: Te≤5 DEG C and lasting t1Time, wherein Te is auxiliary water route coil temperature, t1 It is 1~5 minute.
Optionally, the third condition is: t1>=30 minutes, t1When for heat pump unit operation in a heating mode Between.
For example, the third judging unit includes timing unit, timing unit is used to work as heat pump unit in a heating mode Start timing when operation, when timing time then, third judging unit exports "Yes", when timing time is not timed out, third judgement Unit exports "No".
Fig. 4 shows another alternative embodiment of third unit.
In the alternative embodiment, the third unit 303 includes: the first judging unit 3031, for judging the environment Whether temperature meets first condition;Second judgment unit 3032, for judging whether auxiliary water route coil temperature meets Two conditions;Third judging unit 3033, for judging whether the runing time of heat pump unit in a heating mode meets Article 3 Part;4th judging unit 3034, for judging whether the time apart from last time defrosting process meets fourth condition;When the environment Temperature meets first condition, and auxiliary water route coil temperature meets second condition, and the heat pump unit is in heating mode Under runing time meet third condition, and when the time apart from last time defrosting process meets fourth condition, the third unit The high-temperature-hot-water of main waterway is connected in control auxiliary water route.
Optionally, the first condition are as follows: 5 DEG C of Ta≤20 DEG C <, wherein Ta is environment temperature.
Optionally, the second condition is: Te≤5 DEG C, wherein Te is auxiliary water route coil temperature.
Optionally, auxiliary water route coil temperature is inlet pipeline temperature, alternatively, auxiliary water route coil temperature It can be outlet pipeline temperature.Optionally, the auxiliary water route coil temperature passes through the temperature that auxiliary water route outlet pipeline is arranged in Sensor is spent to obtain.Optionally, the auxiliary water route coil temperature passes through the temperature sensing that auxiliary water route inlet pipeline is arranged in Device obtains.
Optionally, the second condition is: Te≤5 DEG C and lasting t1Time, wherein Te is auxiliary water route coil temperature, t1 It is 1~5 minute.
Optionally, the third condition is: t2>=30 minutes, t2When for heat pump unit operation in a heating mode Between.
Optionally, the fourth condition is: t3>=30 minutes, t3For the time apart from last time defrosting process.
For example, the 4th judging unit includes timing unit, the timing unit is used to complete when this defrosting process After start timing, when timing time is to being that the 4th judging unit shows "Yes", when timing time is not timed out, the 4th judging unit Export "No".
In some optional embodiments, a kind of air conditioner, including condenser are proposed, wherein before the air conditioner further includes Defrosting system is removed described in text.
Fig. 5 shows an alternative embodiment of Defrost method.
In the alternative embodiment, the Defrost method is for defrosting to air conditioner, and the air conditioner is in condenser side It is provided with auxiliary water route, comprising the following steps: step 11, obtain environment temperature and auxiliary water route coil temperature;Step 12, According to the environment temperature and auxiliary water route coil temperature, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
It, can be in the non-stop-machine situation of heat pump unit, by by the high-temperature-hot-water of main waterway using the alternative embodiment The auxiliary water route of condenser side is introduced, condenser defrosting operation is completed, ensure that heat pump unit continuous service, avoid and defrosted Journey unit frequent start-stop.And traditional air conditioner Defrost method, heat pump unit is in and does not heat state during defrosting, needs four-way Valve commutation, compressor air-discharging side high-temperature-hot-water is directly entered condenser side and defrosts, after the completion of defrosting, four-way valve commutation, and heat Pump assembly is again introduced into heating mode.
For example, the air conditioner includes controller, controller obtains environment temperature and auxiliary water route coil temperature, root According to the environment temperature and auxiliary water route coil temperature, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
Optionally, water pump is set between auxiliary water route and the main waterway, is turned on or off, is realized by controlling water pump Assist the connection or disconnection between water route and main waterway.When water pump is opened, auxiliary water route is connected with main waterway, main waterway In part high-temperature-hot-water be circulated to auxiliary water route, for give condenser defrosting;When water pump is closed, water route and main waterway are assisted It disconnects.
Using the alternative embodiment, the connection between auxiliary water route and main waterway is realized by water pump, it on the one hand can be real It is now reliable on or off between auxiliary water route and main waterway, the velocity of liquid assets of high-temperature-hot-water on the other hand can be improved.
For example, the air conditioner includes controller, controller control water pump is turned on or off, when water pump is opened, auxiliary Water route is connected with main waterway, and the part high-temperature-hot-water in main waterway is circulated to auxiliary water route, for defrosting to condenser;Water pump When closing, water route and main waterway is assisted to disconnect.
Optionally, according to the environment temperature and auxiliary water route coil temperature, main waterway is connected in control auxiliary water route High-temperature-hot-water the step of, comprising: when the environment temperature meets first condition, and the auxiliary water route coil temperature meets When second condition, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
Optionally, the first condition are as follows: 5 DEG C of Ta≤20 DEG C <, wherein Ta is environment temperature.
Optionally, the second condition is: Te≤5 DEG C, wherein Te is auxiliary water route coil temperature.
For example, air conditioner includes controller, controller includes the first judging unit and second judgment unit.Described first sentences Disconnected unit includes comparing unit, and comparing unit is used for the temperature of the first condition stored in collected environment temperature and memory Degree upper limit value compares with lower limit value, and when environment temperature meets first condition, the first judging unit exports "Yes", when environment temperature When degree is unsatisfactory for first condition, the first judging unit exports "No".The second judgment unit also includes comparing unit, relatively more single Member is for comparing the temperature upper limit for the second condition for assisting water route coil temperature to store in memory, when auxiliary water route When coil temperature meets second condition, second judgment unit exports "Yes", when auxiliary water route coil temperature is unsatisfactory for second condition When, second judgment unit exports "No".The controller is according to the output knot of first judging unit and second judgment unit The high-temperature-hot-water of main waterway is connected in fruit, control auxiliary water route.
Optionally, auxiliary water route coil temperature is inlet pipeline temperature, alternatively, auxiliary water route coil temperature It can be outlet pipeline temperature.Optionally, the auxiliary water route coil temperature passes through the temperature that auxiliary water route outlet pipeline is arranged in Sensor is spent to obtain.Optionally, the auxiliary water route coil temperature passes through the temperature sensing that auxiliary water route inlet pipeline is arranged in Device obtains.
Optionally, the second condition is: Te≤5 DEG C and lasting t1Time, wherein Te is auxiliary water route coil temperature, t1 It is 1~5 minute.
For example, the second judgment unit includes comparing unit and timing unit, comparing unit is used for will be collected auxiliary Help water route coil temperature compared with the temperature upper limit of the second condition stored in memory, when auxiliary water route coil temperature is full When sufficient temperature condition, comparing unit exports "Yes", when assisting water route coil temperature to be unsatisfactory for temperature condition, comparing unit output "No";Timing unit is used to start timing when assisting water route coil temperature to meet temperature condition, when timing time meets the time When condition, timing unit exports "Yes", and when timing time is unsatisfactory for time conditions, timing unit exports "No".Described second Judging unit is carried out to the output result of the comparing unit and timing unit and operation, when the comparing unit and timing unit Output result be all "Yes", second judgment unit exports "Yes", and the combination of other results exports "No".
Using the alternative embodiment, the second condition includes temperature condition and time conditions, can prevent auxiliary water route Defrosting caused by coil temperature mutation operates false triggering.When assisting coil temperature mutation in water route to be restored to normal range (NR) again Between interval be unsatisfactory for time conditions, then assist water route coil temperature to be unsatisfactory for second condition.When auxiliary water route coil temperature meets Temperature condition continues for some time again when meeting time conditions, then water route coil temperature is assisted to meet second condition.
Fig. 6 shows another alternative embodiment of Defrost method.
In the alternative embodiment, the Defrost method obtains environment temperature, the auxiliary the following steps are included: step 21 The runing time of water route coil temperature and heat pump unit in a heating mode;Step 22, when the environment temperature meets first Condition, and auxiliary water route coil temperature meets second condition, and the runing time of the heat pump unit in a heating mode When meeting third condition, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
Optionally, the first condition are as follows: 5 DEG C of Ta≤20 DEG C <, wherein Ta is environment temperature.
Optionally, the second condition is: Te≤5 DEG C, wherein Te is auxiliary water route coil temperature.
Optionally, auxiliary water route coil temperature is inlet pipeline temperature, alternatively, auxiliary water route coil temperature It can be outlet pipeline temperature.Optionally, the auxiliary water route coil temperature passes through the temperature that auxiliary water route outlet pipeline is arranged in Sensor is spent to obtain.Optionally, the auxiliary water route coil temperature passes through the temperature sensing that auxiliary water route inlet pipeline is arranged in Device obtains.
Optionally, the second condition is: Te≤5 DEG C and lasting t1Time, wherein Te is auxiliary water route coil temperature, t1 It is 1~5 minute.
Optionally, the third condition is: t1>=30 minutes, t1When for heat pump unit operation in a heating mode Between.
For example, the air conditioner includes controller, controller includes that the first judging unit, second judgment unit and third are sentenced Disconnected unit.The third judging unit includes timing unit, and timing unit is used for when heat pump unit is run in a heating mode Start timing, when timing time then, third judging unit export "Yes", when timing time is not timed out, third judging unit is defeated "No" out.When first judging unit, second judgment unit and third judging unit all export "Yes", controller control auxiliary The high-temperature-hot-water of water route connection main waterway.
Fig. 7 shows another alternative embodiment of Defrost method.
In the alternative embodiment, the Defrost method obtains environment temperature, the auxiliary the following steps are included: step 31 The runing time of water route coil temperature, heat pump unit in a heating mode and the time apart from last time defrosting process;Step 32, When the environment temperature meets first condition, and auxiliary water route coil temperature meets second condition, and the heat pump unit Runing time in a heating mode meets third condition, and when the time apart from last time defrosting process meets fourth condition, control The high-temperature-hot-water of main waterway is connected in system auxiliary water route.
Optionally, the first condition are as follows: 5 DEG C of Ta≤20 DEG C <, wherein Ta is environment temperature.
Optionally, the second condition is: Te≤5 DEG C, wherein Te is auxiliary water route coil temperature.
Optionally, auxiliary water route coil temperature is inlet pipeline temperature, alternatively, auxiliary water route coil temperature It can be outlet pipeline temperature.Optionally, the auxiliary water route coil temperature passes through the temperature that auxiliary water route outlet pipeline is arranged in Sensor is spent to obtain.Optionally, the auxiliary water route coil temperature passes through the temperature sensing that auxiliary water route inlet pipeline is arranged in Device obtains.
Optionally, the second condition is: Te≤5 DEG C and lasting t1Time, wherein Te is auxiliary water route coil temperature, t1 It is 1~5 minute.
Optionally, the third condition is: t2>=30 minutes, t2When for heat pump unit operation in a heating mode Between.
Optionally, the fourth condition is: t3>=30 minutes, t3For the time apart from last time defrosting process.
For example, the air conditioner includes controller, controller is sentenced including the first judging unit, second judgment unit, third Disconnected unit and the 4th judging unit.4th judging unit includes timing unit, and the timing unit is used for when this defrosting Start timing after the completion of process, when timing time is to being that the 4th judging unit shows "Yes", when timing time is not timed out, the 4th Judging unit exports "No".When first judging unit, second judgment unit, third judging unit and the 4th judging unit all "Yes" is exported, the high-temperature-hot-water of main waterway is connected in controller control auxiliary water route.
In the exemplary embodiment, a kind of computer equipment is additionally provided, the computer equipment includes memory, processing Device and it is stored in the program that can be run on the memory and by the processor, the processor is completed when executing described program Previously described Defrost method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided It such as include the memory of instruction, above-metioned instruction can be executed by processor to complete previously described Defrost method.It is above-mentioned non-provisional Property computer readable storage medium can be read-only memory (Read Only Memory, ROM), random access memory (Random Access Memory, RAM), tape and light storage device etc..
It will be appreciated by those of skill in the art that unit described in conjunction with the examples disclosed in the embodiments of the present disclosure and Algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually with hard Part or software mode execute, the specific application and design constraint depending on technical solution.Those of skill in the art can be with Each specific application is used different methods to achieve the described function, but this realization is it is not considered that exceed this hair Bright range.It is apparent to those skilled in the art that for convenience and simplicity of description, foregoing description is The specific work process of system, device and unit, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In embodiments disclosed herein, it should be understood that disclosed method, product (including but not limited to device, set It is standby etc.), it may be implemented in other ways.For example, the apparatus embodiments described above are merely exemplary, for example, The division of the unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple Unit or assembly can be combined or can be integrated into another system, or some features can be ignored or not executed.It is another Point, shown or discussed mutual coupling, direct-coupling or communication connection can be through some interfaces, device or The indirect coupling or communication connection of unit can be electrical property, mechanical or other forms.It is described single as illustrated by the separation member Member may or may not be physically separated, and component shown as a unit may or may not be physics Unit, it can it is in one place, or may be distributed over multiple network units.It can select according to the actual needs Some or all of unit therein achieves the purpose of the solution of this embodiment.In addition, in each embodiment of the present invention each Functional unit can integrate in one processing unit, is also possible to each unit and physically exists alone, can also be two or two A above unit is integrated in one unit.
It should be understood that the flow chart and block diagram in the drawings show the system of multiple embodiments according to the present invention, The architecture, function and operation in the cards of method and computer program product.In this regard, in flowchart or block diagram Each box can represent a part of a module, section or code, a part packet of the module, section or code Containing one or more executable instructions for implementing the specified logical function.It should also be noted that in some realities as replacement In existing, function marked in the box can also occur in a different order than that indicated in the drawings.For example, two continuous sides Frame can actually be basically executed in parallel, they can also be executed in the opposite order sometimes, this according to related function and It is fixed.It is also noted that the group of each box in block diagram and or flow chart and the box in block diagram and or flow chart It closes, can be realized with the dedicated hardware based system for executing defined function or movement, or specialized hardware can be used Combination with computer instruction is realized.The invention is not limited to the process for being described above and being shown in the accompanying drawings and knots Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the present invention only by the attached claims Lai Limitation.

Claims (10)

1. one kind removes defrosting system characterized by comprising auxiliary water route and controller;
The auxiliary water route is arranged in condenser side;
The controller includes:
First unit, for obtaining environment temperature;
Second unit, for obtaining auxiliary water route coil temperature;
Third unit, for according to the environment temperature and auxiliary water route coil temperature, main water to be connected in control auxiliary water route The high-temperature-hot-water on road.
2. removing defrosting system as described in claim 1, which is characterized in that the third unit includes:
First judging unit, for judging whether the environment temperature meets first condition;
Second judgment unit, for judging whether auxiliary water route coil temperature meets second condition;
When the environment temperature meets first condition, and auxiliary water route coil temperature meets second condition, described The high-temperature-hot-water of main waterway is connected in the control auxiliary of Unit three water route.
3. removing defrosting system as described in claim 1, which is characterized in that the third unit includes:
First judging unit, for judging whether the environment temperature meets first condition;
Second judgment unit, for judging whether auxiliary water route coil temperature meets second condition;
Third judging unit, for judging whether the runing time of heat pump unit in a heating mode meets third condition;
When the environment temperature meets first condition, and auxiliary water route coil temperature meets second condition, and the heat pump When the runing time of unit in a heating mode meets third condition, main waterway is connected in the third unit control auxiliary water route High-temperature-hot-water.
4. removing defrosting system as described in claim 1, which is characterized in that the third unit includes:
First judging unit, for judging whether the environment temperature meets first condition;
Second judgment unit, for judging whether auxiliary water route coil temperature meets second condition;
Third judging unit, for judging whether the runing time of heat pump unit in a heating mode meets third condition;
4th judging unit, for judging whether the time apart from last time defrosting process meets fourth condition;
When the environment temperature meets first condition, and auxiliary water route coil temperature meets second condition, and the heat pump The runing time of unit in a heating mode meets third condition, and the time apart from last time defrosting process meets fourth condition When, the high-temperature-hot-water of main waterway is connected in the third unit control auxiliary water route.
5. removing defrosting system as described in claim 1, which is characterized in that water is arranged between the auxiliary water route and the main waterway Pump, the controller control water pump are turned on or off.
6. a kind of air conditioner, including condenser further include described in any one of claim 1 to 5 except defrosting system.
7. a kind of Defrost method, for defrosting to air conditioner, the air conditioner is provided with auxiliary water route, packet in condenser side Include following steps:
Obtain environment temperature and auxiliary water route coil temperature;
According to the environment temperature and auxiliary water route coil temperature, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
8. Defrost method as claimed in claim 7, which is characterized in that according to the environment temperature and auxiliary water route coil pipe The step of temperature, the high-temperature-hot-water of main waterway is connected in control auxiliary water route, comprising: when the environment temperature meets first condition, And when auxiliary water route coil temperature meets second condition, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
9. Defrost method as claimed in claim 7, which is characterized in that further include:
Obtain the runing time of heat pump unit in a heating mode;
When the environment temperature meets first condition, and auxiliary water route coil temperature meets second condition, and the heat pump When the runing time of unit in a heating mode meets third condition, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
10. Defrost method as claimed in claim 7, which is characterized in that further include:
Obtain the runing time of heat pump unit in a heating mode and the time apart from last time defrosting process;
When the environment temperature meets first condition, and auxiliary water route coil temperature meets second condition, and the heat pump The runing time of unit in a heating mode meets third condition, and the time apart from last time defrosting process meets fourth condition When, the high-temperature-hot-water of main waterway is connected in control auxiliary water route.
CN201811367922.0A 2018-11-16 2018-11-16 One kind removing defrosting system, Defrost method and air conditioner Pending CN109489180A (en)

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CN201811367922.0A CN109489180A (en) 2018-11-16 2018-11-16 One kind removing defrosting system, Defrost method and air conditioner
PCT/CN2019/096541 WO2020098302A1 (en) 2018-11-16 2019-07-18 Defrosting system, defrosting method and air conditioner
EP19884404.5A EP3882531A4 (en) 2018-11-16 2019-07-18 Defrosting system, defrosting method and air conditioner

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Application publication date: 20190319