Specific embodiment
The characteristics of in order to more fully hereinafter understand the embodiment of the present disclosure and technology contents, with reference to the accompanying drawing to this public affairs
The realization for opening embodiment is described in detail, appended attached drawing purposes of discussion only for reference, is not used to limit the embodiment of the present disclosure.
In technical description below, for convenience of explanation for the sake of, disclosed embodiment is fully understood with providing by multiple details.
However, one or more embodiments still can be implemented in the case where without these details.It in other cases, is simplification
Attached drawing, well known construction and device can simplify displaying.
Fig. 1 is the flow diagram for the control method for air-conditioner defrosting that the embodiment of the present disclosure provides.
As shown in Figure 1, providing a kind of control method for air-conditioner defrosting in the embodiment of the present disclosure, can be used for solving sky
Outdoor heat exchanger when running under sleet or low temperature severe cold condition is adjusted frosting occur, influence the problem of air-conditioning normal heating performance;
In embodiment, the main process flow steps of the control method include:
S101, in operation of air conditioner heating mode processes, obtain indoor inlet air temperature, the indoor coil pipe of indoor unit with
And the upper casing temperature of outdoor heat exchanger;
In embodiment, when frosting problem occurs in the outdoor heat exchanger of air-conditioner outdoor unit, outdoor environment is mostly in temperature
Lower, the biggish bad working environments of humidity, user is usually that air-conditioning is set as heating mode operation at this time, to utilize air-conditioning to room
Interior environment carries out heating heating.Therefore the control method for air-conditioner defrosting that the embodiment of the present disclosure provides is in air-conditioning to heat
The control flow enabled when mode operation.
When air-conditioning is with other such as refrigeration modes, the operation of dehumidification mode isotype, the room as corresponding to these modes
The problem of outer operating condition is generally not in air-conditioner outdoor unit frosting, thus it is optional, it is run in air-conditioning with other non-heating modes
When, the corresponding flow control process of the control method does not enable, and misses to avoid air-conditioning in operation refrigeration mode, dehumidification mode isotype
Triggering is acted for the defrosting of outdoor heat exchanger, is influenced air-conditioning and is normally freezed or dehumidification work process.
In an alternative embodiment, the indoor unit of air-conditioning is provided with one first temperature sensor, which passes
Sensor can be used for detecting the inlet air temperature that indoor unit enters the wind air-flow in real time;Therefore, in step s101 it is acquired it is indoor into
Air temperature can be the real time temperature that air-flow is entered the wind by indoor unit detected by first temperature sensor;
Optionally, on the first temperature sensor is set in the air outlet grate or wind inlet channel of indoor unit air inlet, with
It is on the outlet air path of air inlet air-flow of indoor unit, to improve the detection accuracy to indoor air temperature.
In addition, the indoor unit of air-conditioning is provided with a second temperature sensor, which can be used for sensing chamber
The real time temperature of the coil pipe position of interior machine indoor heat exchanger;Therefore, acquired indoor coil pipe can be in step s101
It is by indoor unit detected by the second temperature sensor into the real time temperature at coil pipe position;
In the embodiments of the present disclosure, in the case that outdoor environment is more severe, the low temperature of outdoor environment can be to air-conditioning
Heating performance and indoor environment temperature constitute influence, make air-conditioning heating performance decline, flow into indoor heat exchanger refrigerant temperature
It reduces, and reduces indoor environment;Here, influence variation of the outdoor environment variation to the heating performance of air-conditioning becomes apparent,
Therefore, outdoor environment can be judged according to the situation of change of the temperature gap between indoor coil pipe and indoor inlet air temperature
Severe degree, and then judge whether outdoor heat exchanger is likely to occur solidifying white problem;The indoor inlet air temperature that gets in this way and
Indoor coil pipe is to can be used as the reference factor for measuring outdoor heat exchanger frosting degree.
In an alternative embodiment, the outdoor unit of air-conditioning is additionally provided with a third temperature sensor, the third temperature
Sensor can be used for detecting the real time temperature of the upper body or the refrigerant pipeline in top that flow through outdoor heat exchanger;Cause
This, acquired upper casing temperature can be the real-time temperature detected by the third temperature sensor in step s101
Degree;
In the present embodiment, the refrigerant inlet pipe of outdoor heat exchanger is set to lower part, and refrigerant goes out liquid and is set to top, because
Refrigerant flows into outdoor heat exchanger from below in a heating mode for this, and flows out outdoor heat exchanger from top;Therefore upper casing temperature
It is to be influenced by the most of pipeline for having flowed through outdoor heat exchanger and with the temperature of the refrigerant after outdoor environment heat exchange, it can
Reflect the heat exchanger effectiveness of the refrigerant under different frosting situations;Under the situation of the non-frosting of air-conditioning, refrigerant is from outdoor environment
The temperature for the upper body absorbed heat more, therefore be affected by it is also higher;And in air-conditioning there are in the case where frosting, refrigerant is from room
It absorbs heat in external environment less, therefore upper casing temperature is relatively low.In this way, the upper casing temperature of outdoor heat exchanger is changed compared to outdoor
The outdoor coil temperature of hot device lower part more can accurately reflect the frosting degree of outdoor heat exchanger.
S102, satisfaction defrosting entry condition is being determined according to indoor inlet air temperature, indoor coil pipe and upper casing temperature
Afterwards, the refrigerant of the refrigerant inlet pipe for the outdoor heat exchanger for flowing through air-conditioning is heated in control.
Here, air-conditioning presets a defrosting entry condition, can be according to acquiring when air-conditioning is run with heating mode
Parameter judge whether air-conditioning meets the defrosting entry condition;If it is satisfied, then air-conditioning need to outdoor heat exchanger into
Row defrosting;If conditions are not met, then air-conditioning is without defrosting to outdoor heat exchanger.
In the embodiments of the present disclosure, air-conditioning is the indoor inlet air temperature of the indoor unit acquired in step S101, room
Whether inner coil pipe temperature and these three parameters of the upper casing temperature of outdoor heat exchanger are to meeting defrosting entry condition and judge;
Air-conditioning is judged with the presence or absence of frosting problem jointly in this way, the embodiment of the present disclosure combines above-mentioned three kinds of factor parameters, it can
The judgement precision to air-conditioner defrosting is greatly improved, so that can be more in line with air-conditioning real-time for the defrosting operation of air-conditioning triggering
Frosting situation.
In an alternative embodiment, the defrosting entry condition in step S102 includes:
△Tmax- △ T >=△ T1, TUpper housing max-TUpper housing>=△ T2 and TLiquid out-TFeed liquor≤△T3;
Wherein, △ TmaxFor air-conditioning, this is switched between the indoor coil pipe recorded after operation and indoor inlet air temperature
Maximum difference, △ T are the heat-exchange temperature difference between indoor coil pipe and indoor inlet air temperature, TUpper housing maxFor air-conditioning, this is opened
The upper housing temperature maximum of the outdoor heat exchanger recorded after machine operation, TUpper housingFor the upper casing temperature of outdoor heat exchanger, TFeed liquorFor
Flow through the refrigerant feed liquor temperature of the refrigerant of refrigerant inlet pipe, TLiquid outGo out to flow through the refrigerant of outdoor heat exchanger in a heating mode
The refrigerant of the refrigerant of liquid pipeline goes out liquid temperature, and △ T1 is preset first temperature difference threshold, and △ T2 is preset second temperature difference threshold,
△ T3 is preset third temperature difference threshold.
In the defrosting entry condition, maximum difference between indoor coil pipe and indoor inlet air temperature, with indoor coil
The height of the temperature gap between heat-exchange temperature difference between temperature and indoor inlet air temperature can reflect different frosting shapes
Indoor heat exchanger effectiveness under condition;Such as in the case where air-conditioning non-frosting, indoor coil pipe and indoor inlet air temperature compared with
Height, therefore △ TmaxIt is typically used for indicating under the non-frosting situation of air-conditioning in the difference of indoor coil pipe and indoor inlet air temperature
Limit;And in air-conditioning there are in the case where frosting, since air-conditioning is influenced more obvious, indoor coil pipe by outdoor environment
Become larger with the difference of indoor inlet air temperature, being mostly can be beyond the difference upper limit in the case of previous non-frosting.In this way, the application's removes
One of white entry condition is to carry out defrosting judgement according to the temperature change speed of leaving air temp outdoor under operating condition outside different chamber.
Optionally, △ TmaxThe indoor coil pipe of record usually in air-conditioning booting operation setting time and it is indoor into
Generally not yet there is frosting problem in the setting time of air-conditioning booting operation in maximum difference between air temperature, and such as 5 points
Clock, 10 minutes etc.;I.e. the maximum difference is difference upper limit when air-conditioning does not occur frosting problem;
Alternatively, △ TmaxIt is also possible to before air-conditioning products dispatch from the factory the simulation of operation that is switched at different temperatures by air-conditioning
The numerical value that experimental data obtains.
In addition, the upper housing temperature maximum and outdoor heat exchanger of the outdoor heat exchanger recorded after this booting operation of air-conditioning
Upper casing temperature be also the heat absorption efficiency for being able to reflect out the refrigerant under different frosting situations in outdoor heat exchanger, thus and
It can be as the parameter for judging air-conditioning frosting degree.
Meanwhile the defrosting entry condition of the application also increases to have and goes out liquid temperature T to refrigerantLiquid outWith refrigerant feed liquor temperature TFeed liquorIt
Between temperature gap height judgement, if the two temperature gap is smaller, illustrate refrigerant heat absorption heating efficiency it is lower, it is possible to
It is caused by air-conditioning frosting, therefore just needs to defrost to outdoor heat exchanger of air conditioner in that case;Therefore, the application
Defrosting entry condition also introduces the sub- condition that defrosting judgement is carried out according to refrigerant liquid in-out temperature, to further increase to defrosting
The accuracy of judgement.
It therefore, further include obtaining refrigerant feed liquor temperature and refrigerant in step S101 when setting this kind defrosting entry condition
Liquid temperature out.
In an alternative embodiment, the outdoor unit of air-conditioning is additionally provided with one the 4th temperature sensor, the 4th temperature
Sensor can be used for detecting the real time temperature of the refrigerant for the refrigerant inlet pipe for flowing through outdoor heat exchanger;Therefore, in step S101
In acquired refrigerant feed liquor temperature can be the real time temperature of the refrigerant detected by the 4th temperature sensor;
Here, when refrigerant inlet pipe is run for air-conditioning with heating mode refrigerant flow into outdoor heat exchanger via pipe
Road.
In the embodiments of the present disclosure, the temperature for flowing into the refrigerant of outdoor heat exchanger is the shell for directly influencing outdoor heat exchanger
The internal temperature factor of temperature;Here, when air-conditioning is run with heating mode, outdoor heat exchanger absorbs heat from outdoor environment
Amount, heat transfer sequence are the refrigerant in outdoor environment-outdoor heat exchanger shell-outdoor heat exchange enclosure interior pipeline;Due to heat
The temperature difference between the two of conduction can influence heat conduction efficiency, therefore flow into the temperature height of the refrigerant of outdoor heat exchanger
It is the thermal conduction rate that can change temperature from the refrigerant in outdoor heat exchanger shell internally pipeline, and then room can be influenced
The variation of external heat exchanger case temperature;Therefore the refrigerant feed liquor temperature got, which can be used as, measures air-conditioning internal temperature situation pair
The reference factor that outdoor heat exchanger frosting influences.
In an alternative embodiment, the outdoor unit of air-conditioning is additionally provided with one the 5th temperature sensor, the 5th temperature
Sensor can be used for detecting the real time temperature of the refrigerant on the refrigerant outlet tube road for flowing through outdoor heat exchanger;Therefore, in step S101
In acquired refrigerant outlet tube road can be the real time temperature of the refrigerant detected by the 5th temperature sensor;
Here, when refrigerant outlet tube road is run for air-conditioning with heating mode refrigerant outflow outdoor heat exchanger via pipe
Road.
In the embodiments of the present disclosure, the temperature for flowing out the refrigerant of outdoor heat exchanger is to can reflect out outdoor heat exchanger and room
The heat exchanger effectiveness of external environment, and heat exchanger effectiveness then will receive the influence of the frosting degree of outdoor heat exchanger;Here, in air-conditioning
Frosting degree is lower, in the case where frost thinner thickness, and influence of the frost to heat exchange is smaller, cold after flowing through outdoor heat exchanger
The heat that matchmaker is absorbed is more;And in the case where air-conditioning frosting degree is higher, frost thickness is thicker, shadow of the frost to heat exchange
Sound is larger, and the heat that the refrigerant after flowing through outdoor heat exchanger is absorbed is less.Therefore the refrigerant that acquires go out liquid temperature can be with
Reference factor as the frosting degree for measuring air-conditioning heat exchanger.
Therefore, the defrosting entry condition in the embodiment of the present disclosure has comprehensively considered parameter under different working conditions and has changed outdoor
The appearance for the problems such as frosting of hot device influences, and can effectively improve the judgement precision to air-conditioner defrosting, reduces erroneous judgement, false triggering.
In the embodiments of the present disclosure, meet when according to indoor inlet air temperature, indoor coil pipe and upper casing temperature are determining
After the entry condition that defrosts, the defrosting operation of air-conditioning includes controlling to the cold of the refrigerant inlet pipe for the outdoor heat exchanger for flowing through air-conditioning
Matchmaker heats, to improve the temperature for the refrigerant for flowing into outdoor heat exchanger, at this time due to the refrigerant temperature of inflow outdoor heat exchanger
Higher, heat is transmitted to outdoor environment side, and the refrigerant heat after not only being improved using temperature melts outdoor heat exchange
The frost of device, while the refrigerant temperature that outflow outdoor heat exchanger can also be improved, be back to compressor, to enhance the heating of air-conditioning
Performance.
Optionally, it is provided with a heating device at the refrigerant inlet pipe of outdoor heat exchanger of air conditioner, which is set
It is set to and controllably the refrigerant for flowing through refrigerant inlet pipe is heated;Therefore in step s 102, according to indoor air inlet temperature
After degree, indoor coil pipe and upper casing temperature determine satisfaction defrosting entry condition, unlatching heating device can control;And in root
It determines in the case where being unsatisfactory for defrosting entry condition, then keeps according to indoor inlet air temperature, indoor coil pipe and upper casing temperature
The closed state of heating device.
In one embodiment, heating device is electromagnetic heater, and electromagnetic heater utilizes electromagnetic induction heating
Principle heats refrigerant pipeline, and then the refrigerant for flowing through refrigerant pipeline is conducted heat to using refrigerant pipeline, cold to reach heating
The purpose of matchmaker.
Here, the corresponding refrigerant pipe section heated of electromagnetic heater is the pipeline section of the metal materials such as copper or irony,
Electromagnetic heater is mainly made of induction coil and power supply module, and induction coil is wound in above-mentioned refrigerant pipeline here
Section, power supply module can provide alternating current for induction coil;When induction coil is powered, the alternating current of induction coil is flowed through
The alternating magnetic field for passing through refrigerant pipe section is generated, which can make refrigerant inner tube segment generate vortex, so as to rely on
The energy of these vortex plays the role of heat temperature raising.
It is filled it should be understood that the type for the heating device that the application is used to heat refrigerant is not limited to above-mentioned electromagnetic heating
It sets, the other types of heating device that can be used in directly or indirectly heating refrigerant can also be using the application's in the related technology
Technical solution, and cover within the scope of protection of this application.
In an alternative embodiment, the refrigerant feed liquor to the outdoor heat exchanger for flowing through air-conditioning is being controlled in step S102
When the refrigerant of pipeline is heated, heating parameters first can be determined according to temperature gap, then execute correspondence according to heating parameters
Heating operation.Among these, temperature gap includes: the first temperature difference between upper housing temperature maximum and upper casing temperature
Value, or, refrigerant goes out the second temperature difference between liquid temperature and refrigerant feed liquor temperature;Heating parameters include to flowing through refrigerant feed liquor
The rate of heat addition and/or heating duration of the refrigerant of pipeline.
In technology contents above, the first temperature gap and second temperature difference are respectively used to defrosting entry condition
One of sub- condition judgement;It, can be according to the first temperature difference when therefore determining satisfaction defrosting entry condition in step s 102
Value and second temperature difference speculate the frosting degree of outdoor heat exchanger, and then according to the different selections of frosting degree to flowing through refrigerant
The rate of heat addition and heating duration of the refrigerant of inlet pipe.
For example, when the frosting degree of outdoor heat exchanger is higher, then setting is very fast to the rate of heat addition of refrigerant, with raising pair
The heat temperature raising speed of refrigerant can meet defrosting temperature requirement as early as possible;And setting is longer to the heating duration of refrigerant,
So that refrigerant heat, which has time enough to conduct to the outer surface of outdoor heat exchanger, carries out defrost;Conversely, in outdoor heat exchanger
When frosting degree is lower, then setting is lower to the rate of heat addition of refrigerant, heating duration is shorter, to reduce the function of heating device operation
Consumption, reduces the use cost of air-conditioning.
Optionally, the rate of heat addition to the refrigerant for flowing through refrigerant inlet pipe is determined according to temperature gap, comprising: according to the
One temperature gap obtains corresponding first rate of heat addition from first rate incidence relation, to carry out according to first rate of heat addition
Heating.
It here, include that one or more first temperature gaps are corresponding with first rate of heat addition in first rate incidence relation
Relationship.Here, the corresponding relationship of a kind of optional first temperature gap and first rate of heat addition is shown in table 1, such as following table institute
Show,
First temperature gap (unit: DEG C) |
First rate of heat addition (unit: DEG C/min) |
A1 < TUpper housing max-TUpper housing≤a2 |
v11 |
A2 < TUpper housing max-TUpper housing≤a3 |
v12 |
A3 < TUpper housing max-TUpper housing |
v13 |
Table 1
In first rate incidence relation, first rate of heat addition and the first temperature gap are to be positively correlated.That is the first temperature gap
Bigger, then first rate of heat addition is higher;And the first temperature gap is smaller, then first rate of heat addition is lower.
It therefore, can first basis when in executing step S102 to the heating operation for the refrigerant for flowing through refrigerant inlet pipe
The first rate incidence relation determines corresponding first rate of heat addition of the first temperature gap, is then carried out according to first rate of heat addition
Heating.
It is another optional, the rate of heat addition to the refrigerant for flowing through refrigerant inlet pipe is determined according to temperature gap, comprising: root
According to second temperature difference, corresponding second rate of heat addition is obtained from the second rate incidence relation, according to second rate of heat addition
It is heated.
It here, include that one or more second temperature differences are corresponding with second rate of heat addition in the second rate incidence relation
Relationship.Here, the corresponding relationship of a kind of optional second temperature difference and second rate of heat addition is shown in table 2, such as following table institute
Show,
Second temperature difference (unit: DEG C) |
Second rate of heat addition (unit: DEG C/min) |
B1 < TLiquid out-TFeed liquor≤b2 |
v21 |
B2 < TLiquid out-TFeed liquor≤b3 |
v22 |
B3 < TLiquid out-TFeed liquor |
v23 |
Table 2
In second rate incidence relation, second rate of heat addition and second temperature difference are negative correlation.That is second temperature difference
Bigger, then second rate of heat addition is lower;And second temperature difference is smaller, then second rate of heat addition is higher.
It therefore, can first basis when in executing step S102 to the heating operation for the refrigerant for flowing through refrigerant inlet pipe
The second rate incidence relation determines corresponding second rate of heat addition of second temperature difference, is then carried out according to second rate of heat addition
Heating.
In the above-described embodiments, since the height of the frosting degree of outdoor heat exchanger is to the first temperature gap and second temperature
It is different that the temperature change of difference influences amplitude, therefore the application is to be each provided with an individual incidence relation, and air-conditioning can root
One of incidence relation is selected to determine the corresponding rate of heat addition according to actual needs.
Optionally, the rate incidence relation specifically selected can be determined according to the heating needs of active user, for example, working as
When the heating needs of preceding user are lower, then first rate incidence relation is selected, mainly considers the first temperature gap institute at this time
Corresponding upper casing temperature etc. is able to reflect influence of the reference factor to defrosting effect of frosting degree;And in the system of active user
When heat demand is higher, then the second rate incidence relation is selected, is mainly back to the cold of compressor in view of being able to reflect at this time
The refrigerant of matchmaker's temperature height goes out the size of the influence of outdoor heat exchanger frosting suffered by liquid temperature, so that refrigerant also can be improved after heating
Refrigerant suction temperature, to guarantee heating performance.
Here, the heating needs of active user can heat temperature by the target set to air-conditioning and be determined;For example,
Air-conditioning is preset with a heating temperature threshold, when the target of user's actual set heating temperature is less than the heating temperature threshold, then
Illustrate that the heating needs of user at this time are lower;And when the target of user's actual set heating temperature is greater than or equal to the heating temperature
When threshold value, then illustrate the heating needs height of user at this time.
In this way, air-conditioning can not only be timely triggered in the embodiment of the present disclosure according to the practical frosting situation of air-conditioning for outdoor
The defrosting of heat exchanger operates, while the heating that user can also be taken into account when executing the defrosting heated to refrigerant and operating needs
It asks, to fully ensure that air-conditioning during defrosting to the control requirement of users'comfort.
It similarly, in some alternative embodiments, can also be according to the first temperature gap, from the first duration incidence relation
Corresponding first heating duration is obtained, to be heated according to the first heating duration.
Here, in the first duration incidence relation, the first heating duration and the first temperature gap are negative correlation.
Alternatively, obtaining corresponding second heating duration, from the second duration incidence relation according to second temperature difference to press
It is heated according to the second heating duration.
Here, in the second duration incidence relation, the second heating duration and second temperature difference are negative correlation.
In some alternative embodiments, after the refrigerant for flowing through refrigerant inlet pipe is heated in control, further includes:
Obtain outdoor coil temperature;After determining satisfaction defrosting exit criteria according to outdoor coil temperature, control stops heating.
Wherein, defrosting exit criteria includes: that outdoor coil temperature is greater than or equal to preset external disk temperature threshold value and persistently sets
Timing is long.
After acquiring outdoor coil temperature, according to outdoor coil temperature to whether meet defrosting exit criteria sentence
It is disconnected;If it is satisfied, then control stops heating;If conditions are not met, then maintaining currently running working condition constant, convection current is still kept
Heating through refrigerant inlet pipe.
In the embodiments of the present disclosure, air-conditioning is during heating the refrigerant for flowing through refrigerant inlet pipe, in real time
The parameter according to air-conditioning carry out to defrosting exit criteria judgement operation, with meet defrost exit criteria in the case where stop
To the heating operation of refrigerant, so that the power consumption of heating operation be effectively reduced.
Fig. 2 is the flow diagram for the control method for air-conditioner defrosting that the another embodiment of the disclosure provides.
As shown in Fig. 2, the embodiment of the present disclosure provides another control method for air-conditioner defrosting, rate-determining steps master
Include:
S201, air-conditioning booting, are run with heating mode;
In the present embodiment, air-conditioning general user under the conditions of low temperature severe cold weather sets heating mode and opens as present mode
Machine operation.
S202, the indoor inlet air temperature T for detecting indoor unitAir inlet, indoor coil pipe TpAnd the upper housing of outdoor heat exchanger
Temperature TUpper housing;
S203, detection refrigerant feed liquor temperature TFeed liquorGo out liquid temperature T with refrigerantLiquid out;
S204, △ T=T is calculatedp-TAir inlet;
S205, judge whether △ Tmax- △ T >=△ T1, TUpper housing max-TUpper housing>=△ T2 and TLiquid out-TFeed liquor≤ △ T3, if so,
S206 is thened follow the steps, if it is not, then returning to step S202;
In the embodiments of the present disclosure, △ Tmax- △ T >=△ T1, TUpper housing max-TUpper housing>=△ T2 and TLiquid out-TFeed liquor≤ △ T3 is common
Constitute preset defrosting entry condition.
Here, after air-conditioning booting operation, inlet air temperature and indoor coil pipe in temperature sensor real-time detection room, and
The multiple outdoor leaving air temps that will test are used as historical data grouping to be saved correspondingly;Therefore step is being executed
When the judgment step of S205, the multi-group data in historical data can be transferred, and determine △ T thereinmaxOutdoor leaving air temp;
Similarly, air-conditioning also preserves the multiple data for the upper casing temperature that temperature sensor detects, therefore is executing step
When the judgment step of rapid S205, the upper housing temperature maximum in historical data can also be transferred.
If meeting the defrosting entry condition, illustrate that outdoor heat exchanger of air conditioner has frosting at this time;And if not
Meet the defrosting entry condition, then illustrates that frosting problem is not present in outdoor heat exchanger of air conditioner at this time.
S206, according to TUpper housing max-TUpper housing, corresponding first rate of heat addition is obtained from first rate incidence relation;
S207, according to TUpper housing max-TUpper housing, corresponding first heating duration is obtained from the first duration incidence relation;
In the embodiments of the present disclosure, the specific executive mode of step S206 and S207 may refer to embodiment hereinbefore,
Therefore not to repeat here.
S208, heating device is opened according to first rate of heat addition and the first heating duration;Process terminates.
In the embodiments of the present disclosure, heating device is set in the refrigerant inlet pipe of outdoor heat exchanger under heating mode,
It is configured as heating the refrigerant for flowing through the refrigerant inlet pipe.
Optionally, heating device is electromagnetic heater, therefore can pass through change for the adjusting of first rate of heat addition
The parameters such as the operating current or voltage of electromagnetic heater are realized.
The control method for air-conditioner defrosting that the embodiment of the present disclosure provides can be according to the indoor air inlet temperature acquired
Whether the parametric synthesis such as degree, indoor coil pipe and upper casing temperature meet the judgement of defrosting entry condition to air-conditioning, so as to
To effectively improve the control precision to control air-conditioner defrosting;And by the heating operation to the refrigerant for flowing through refrigerant inlet pipe,
The refrigerant temperature for flowing into outdoor heat exchanger can be effectively improved, and then melts the ice condensed on outdoor heat exchanger using refrigerant heat
Frost, to reduce frost condensation to the adverse effect of air-conditioning itself heating performance.
Fig. 3 is the structural schematic diagram for the control device for air-conditioner defrosting that the embodiment of the present disclosure provides.
The embodiment of the present disclosure provides a kind of control device for air-conditioner defrosting, and structure is as shown in Figure 3, comprising:
Processor (processor) 300 and memory (memory) 301 can also include communication interface
(Communication Interface) 302 and bus 303.Wherein, processor 300, communication interface 302, memory 301 can
To complete mutual communication by bus 303.Communication interface 302 can be used for information transmission.Processor 300 can be called and be deposited
Logical order in reservoir 301, to execute the control method for air-conditioner defrosting of above-described embodiment.
In addition, the logical order in above-mentioned memory 301 can be realized by way of SFU software functional unit and conduct
Independent product when selling or using, can store in a computer readable storage medium.
Memory 301 is used as a kind of computer readable storage medium, can be used for storing software program, journey can be performed in computer
Sequence, such as the corresponding program instruction/module of the method in the embodiment of the present disclosure.Processor 300 is stored in memory 301 by operation
In program instruction/module, thereby executing functional application and data processing, i.e., in realization above method embodiment for sky
Adjust the control method of defrosting.
Memory 301 may include storing program area and storage data area, wherein storing program area can storage program area,
Application program needed at least one function;Storage data area, which can be stored, uses created data etc. according to terminal device.
In addition, memory 301 may include high-speed random access memory, it can also include nonvolatile memory.
Fig. 4 is the structural schematic diagram for the air-conditioning that the embodiment of the present disclosure provides.
As shown in figure 4, disclosure implementation additionally provides a kind of air-conditioning, comprising:
Refrigerant circulation circuit passes through refrigerant by outdoor heat exchanger 41, indoor heat exchanger 42, throttling set 43 and compressor 44
Piping connection is constituted;
Heating device 45 is set in the refrigerant inlet pipe of outdoor heat exchanger 41 in a heating mode, is configured as pair
The refrigerant for flowing through refrigerant inlet pipe is heated;
For the control device 46 of air-conditioner defrosting, it is electrically connected with heating device 45.Here, the control for being used for air-conditioner defrosting
Device is control device shown in embodiment above.
Air-conditioning in the embodiment of the present disclosure can be detected accurately and judge that air-conditioning whether there is frosting problem, and in sky
In the case that tune has frosting, corresponding defrosting operation is carried out using above-mentioned control device and heating device, to reduce
The frost amount condensed on outdoor heat exchanger of air conditioner guarantees that air-conditioning can be normally to indoor environment system under the conditions of low temperature harsh climate
Heat promotes the usage experience of user.
The embodiment of the present disclosure additionally provides a kind of computer readable storage medium, is stored with computer executable instructions, institute
It states computer executable instructions and is arranged to carry out the above-mentioned method for air-conditioner defrosting.
The embodiment of the present disclosure additionally provides a kind of computer program product, and the computer program product includes being stored in meter
Computer program on calculation machine readable storage medium storing program for executing, the computer program include program instruction, when described program instruction is counted
When calculation machine executes, the computer is made to execute the above-mentioned method for air-conditioner defrosting.
Above-mentioned computer readable storage medium can be transitory computer readable storage medium, be also possible to non-transient meter
Calculation machine readable storage medium storing program for executing.
The technical solution of the embodiment of the present disclosure can be embodied in the form of software products, which deposits
Storage in one storage medium, including one or more instruction is used so that computer equipment (can be personal computer,
Server or the network equipment etc.) execute embodiment of the present disclosure the method all or part of the steps.And storage above-mentioned is situated between
Matter can be non-transient storage media, comprising: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), with
Machine accesses a variety of Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter is also possible to transitory memory medium.
Above description and attached drawing sufficiently illustrate embodiment of the disclosure, to enable those skilled in the art to practice
They.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment only represents
Possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can change.
The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.The embodiment of the present disclosure
Range includes the entire scope of claims and all obtainable equivalents of claims.When for the application
When middle, although term " first ", " second " etc. may be used in this application to describe each element, these elements should not be by
To the limitation of these terms.These terms are only used to differentiate an element with another element.For example, not changing description
Meaning in the case where, first element can be called second element, and same, and second element can be called first element,
As long as " first element " that is occurred unanimously renames and " second element " occurred unanimously renames.First
Element and second element are all elements, but can not be identical element.Moreover, word used herein is only used for describing
Embodiment and it is not used in limitation claim.As used in the description in embodiment and claim, unless context
It clearly illustrates, otherwise "one" (a) of singular, "one" (an) and " described " (the) is intended to equally include plural shape
Formula.Similarly, term "and/or" refers to and associated lists comprising one or more as used in this specification
Any and all possible combination.In addition, when in the application, term " includes " (comprise) and its modification " packet
Include " (comprises) and/or feature, entirety, step, operation, element and/or group including the statement such as (comprising) fingers
The presence of part, but it is not excluded for one or more other features, entirety, step, operation, element, component and/or these point
The presence or addition of group.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that
There is also other identical elements in process, method or equipment including the element.Herein, each embodiment emphasis is said
Bright can be the difference from other embodiments, and the same or similar parts in each embodiment can refer to each other.For
For method, product disclosed in embodiment etc., if it is corresponding with method part disclosed in embodiment, related place can
Referring to the description of method part.
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, and can depend on the specific application and design constraint of technical solution.The technical staff
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The range of the embodiment of the present disclosure.The technical staff can be understood that, for convenience and simplicity of description, foregoing description
The specific work process of system, device and unit, can refer to corresponding processes in the foregoing method embodiment, no longer superfluous herein
It states.
In embodiments disclosed herein, disclosed method, product (including but not limited to device, equipment etc.) can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
Divide, can be only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or
Component can be combined or can be integrated into another system, or some features can be ignored or not executed.In addition, shown
Or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.The unit as illustrated by the separation member can be or
Person, which may not be, to be physically separated, and component shown as a unit may or may not be physical unit
With in one place, or may be distributed over multiple network units.Portion therein can be selected according to the actual needs
Point or whole unit realize the present embodiment.In addition, each functional unit in the embodiments of the present disclosure can integrate at one
In processing unit, it is also possible to each unit and physically exists alone, a list can also be integrated in two or more units
In member.
The flow chart and block diagram in the drawings show system, the method and computer program products according to the embodiment of the present disclosure
Architecture, function and operation in the cards.In this regard, each box in flowchart or block diagram can represent one
A part of module, section or code, a part of the module, section or code include it is one or more for realizing
The executable instruction of defined logic function.In some implementations as replacements, function marked in the box can also be with
Occur different from the sequence marked in attached drawing.For example, two continuous boxes can actually be basically executed in parallel, they
Sometimes it can also execute in the opposite order, this can be depended on the functions involved.Flow chart and block diagram institute in the accompanying drawings
In corresponding description, operation corresponding to different boxes or step can also be to be different from sequence hair disclosed in description
Raw, there is no specific sequences between sometimes different operations or step.For example, two continuous operations or step actually may be used
To be basically executed in parallel, they can also be executed in the opposite order sometimes, this can be depended on the functions involved.Block diagram
And/or the combination of each box in flow chart and the box in block diagram and or flow chart, it can the function as defined in executing
Can or the dedicated hardware based system of movement realize, or can come using a combination of dedicated hardware and computer instructions real
It is existing.