CN106765983A

CN106765983A - Defrosting control method, defrosting control system and air-conditioner

Info

Publication number: CN106765983A
Application number: CN201710016554.4A
Authority: CN
Inventors: 姬安生; 谭周衡; 刘奇伟
Original assignee: Midea Group Co Ltd; Midea Group Wuhan Refrigeration Equipment Co Ltd
Current assignee: Midea Group Co Ltd; Midea Group Wuhan Refrigeration Equipment Co Ltd
Priority date: 2017-01-10
Filing date: 2017-01-10
Publication date: 2017-05-31

Abstract

The invention provides a kind of defrosting control method, defrosting control system and air-conditioner, defrosting control method includes：Air-conditioner detects the systematic parameter of air-conditioner in a heating mode；Judge whether systematic parameter reaches default defrost condition；If so, control stop valve is closed, control electric heating part work is heated to storage heater, and operational factor during according to air conditioner heat-production defrost variable condition, the working condition of control stop valve and electric heating part makes air-conditioner be run with different heating mode.The defrosting control method that the present invention is provided, air-conditioner carries out defrost in a heating mode, ensure good defrost effect and heating effect, the comfort level that lifting user uses, and the variable condition control stop valve of operational factor during according to air conditioner heat-production defrost and the working condition of electric heating part make air-conditioner be run with different heating modes, make air-conditioner accurately terminate defrost to be heated, it is ensured that good defrost effect and heating effect, improve the comfort level that user uses.

Description

Defrosting control method, defrosting control system and air-conditioner

Technical field

The present invention relates to air-conditioner technical field, in particular to a kind of defrosting control method, defrosting control system and Air-conditioner.

Background technology

Air-conditioner in correlation technique generally carries out hot gas defrosting using the delivery temperature of compressor, when defrosting is started, Four-way valve commutates, and makes outdoor heat exchanger heat release, indoor heat exchanger heat absorption cause indoor environment temperature to reduce, so colder In environment, air-conditioner operation kind of refrigeration cycle can cause room temperature sometimes hot and sometimes cold, influence the comfort level of user；And defrosted Frost in journey due to outdoor heat exchanger bottom is more difficult cleared, when in top half, oneself finishes through defrosting, it is necessary to when outdoor is changed Partly defrosted under hot device and therefore a part can be wasted while complete to defrost and enter normal heating operation state completely Heat, and defrosting process is extended, reduce heating capacity and reduce overall heating effect.

The content of the invention

At least one in order to solve the above-mentioned technical problem, the embodiment of the first aspect of the present invention proposes a kind of defrost control Method processed.

A kind of the second aspect of the present invention embodiment, it is also proposed that defrosting control system.

A kind of another aspect of the invention embodiment, it is also proposed that air-conditioner.

In view of this, embodiment according to the first aspect of the invention, it is proposed that a kind of defrosting control method, for air-conditioning Device, air-conditioner includes compressor, four-way valve, outdoor heat exchanger, accumulation of heat component and stop valve, and accumulation of heat component and stop valve are in parallel Be arranged between four-way valve and outdoor heat exchanger, accumulation of heat component includes storage heater and electric heating part, and accumulation of heat component can make Air-conditioner defrost in a heating mode, defrosting control method includes：Air-conditioner in a heating mode, detects the system ginseng of air-conditioner Number；Judge whether systematic parameter reaches default defrost condition；If so, control stop valve is closed, control electric heating part work is to storing Hot device is heated, and operational factor during according to air conditioner heat-production defrost variable condition, control stop valve and electric heating part Working condition air-conditioner is run with different heating mode.

The defrosting control method that the present invention is provided, detects the systematic parameter of air-conditioner by air-conditioner in a heating mode, And when systematic parameter reaches default defrost condition, control stop valve is closed, control electric heating part work is added to storage heater Heat makes air-conditioner defrost in a heating mode so that refrigerant fully absorbs heat when by the storage heater for being electrically heated part heating Amount, raising flows to the temperature of indoor heat exchanger refrigerant, and then ensures good heating effect, meanwhile, migrated by indoor heat exchanger The outdoor heat exchanger is conducive to carry out defrost to the temperature of outdoor heat exchanger refrigerant higher, it is ensured that outdoor heat exchanger is quick, thoroughly Defrost, it is to avoid four-way valve commutation makes air-conditioner, and defrost makes that fluctuations in indoor temperature considerable influence user's is comfortable in cooling mode Degree, effectively improves the comfort level that user uses, and improves the satisfaction that user uses；During by according to air conditioner heat-production defrost The working condition of the variable condition of operational factor, control stop valve and electric heating part makes air-conditioner be transported with different heating modes OK, and then make air-conditioner accurately terminate defrost to be heated, it is to avoid exiting defrost in advance makes defrost unclean, not thoroughly, leads Cause the risk of outdoor heat exchanger icing and influence heating effect, while avoiding defrost overlong time heating effect harmful effect user The comfortableness for using, is effectively guaranteed good defrost effect and heating effect, and improves the comfort level that user uses, lifting The experience of user, improves the satisfaction that user uses.

In addition, the defrosting control method in above-described embodiment of present invention offer, can also have following supplementary technology special Levy：

In the above-mentioned technical solutions, it is preferable that operational factor during air conditioner heat-production defrost include at least one of or Its combination：The body temperature of working off one's feeling vent one's spleen of one end that the defrost duration of air-conditioner, outdoor heat exchanger are connected with accumulation of heat component and stop valve Degree.

In the technical scheme, operational factor during air conditioner heat-production defrost includes at least one of or its combination：It is empty The Outlet Gas Temperature of one end that the defrost duration of tune device, outdoor heat exchanger are connected with accumulation of heat component and stop valve, air-conditioner Various expression ways of operational factor when heating defrost disclosure satisfy that air-conditioner difference operating mode, outdoor heat exchanger different structure, The demand of accumulation of heat component different structure, stop valve different structure and different user, it is applied widely.On the one hand, air-conditioner Operational factor when heating defrost is the defrost duration of air-conditioner, can save the setting of other structures, simple structure, effectively The machine failure rate of air-conditioner is reduced, the reliability of whole machine is improved；On the one hand, operational factor during air conditioner heat-production defrost is , can be arranged on for temperature sensor by the Outlet Gas Temperature of one end that outdoor heat exchanger is connected with accumulation of heat component and stop valve The inside of the pipeline that outdoor heat exchanger is connected with accumulation of heat component and stop valve, number of pin is shared with existing chip, improves logical With property, reduces cost saves installing space, the less demand in channel interior space is disclosure satisfy that, while avoiding temperature sensor Being disposed in the outdoor outside heat exchanger makes its external structure complicated, simplifies the structure outside outdoor heat exchanger, is conducive to installing simultaneously Machine failure rate is reduced, the reliability of whole machine is effectively improved.

In the above-mentioned technical solutions, it is preferable that operational factor during air conditioner heat-production defrost is the defrost duration of air-conditioner, The working condition of the variable condition of operational factor during according to air conditioner heat-production defrost, control stop valve and electric heating part makes air-conditioning Device is included with the specific steps that different heating modes runs：The defrost duration of air-conditioner is recorded, and the is reached in defrost duration During one preset duration, control electric heating part is stopped, and control stop valve is opened, and air-conditioner stops defrost and heated.

In the technical scheme, operational factor during air conditioner heat-production defrost is the defrost duration of air-conditioner, by record The defrost duration of air-conditioner, and when defrost duration reaches the first preset duration, control electric heating part is stopped, control cut-off Valve is opened, and air-conditioner stops defrost and heated, make white wholeization of outdoor heat exchanger only, change it is thorough when, air-conditioner is suitable Time stop defrost and heated, it is to avoid terminating defrost in advance makes defrost unclean, not thoroughly, causes outdoor heat exchanger to freeze Risk and influence heating effect, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, has Good defrost effect and heating effect is ensure that to effect, and improves the comfort level that user uses, lift the experience of user, Improve the satisfaction that user uses.

In the above-mentioned technical solutions, it is preferable that operational factor during air conditioner heat-production defrost is outdoor heat exchanger and accumulation of heat The Outlet Gas Temperature of one end that component is connected with stop valve, the change shape of operational factor during according to air conditioner heat-production defrost The working condition of state, control stop valve and electric heating part makes air-conditioner include with the specific steps that different heating modes runs： The Outlet Gas Temperature of one end that detection outdoor heat exchanger is connected with accumulation of heat component and stop valve；Judging Outlet Gas Temperature is It is no to be more than the first preset temperature；If so, control electric heating part is stopped, control stop valve is opened, and air-conditioner stops defrost and enters Row is heated, if it is not, return and the again exit gas of one end that sensing chamber's external heat exchanger is connected with accumulation of heat component and stop valve Temperature.

In the technical scheme, operational factor during air conditioner heat-production defrost is outdoor heat exchanger and accumulation of heat component and cut-off The Outlet Gas Temperature of one end that valve is connected, by detecting the Outlet Gas Temperature of outdoor heat exchanger, judges exit gas temperature Whether degree is more than the first preset temperature, and when judged result is to be, control electric heating part is stopped, and control stop valve is opened Open so that when the Outlet Gas Temperature of outdoor heat exchanger reaches the first preset temperature, white wholeization of outdoor heat exchanger only, change When thoroughly, air-conditioner stops defrost and is heated in the suitable time, it is to avoid terminating defrost in advance makes defrost unclean, not thorough Bottom, causes the risk of outdoor heat exchanger icing and influences heating effect, while avoiding the defrost bad shadow of overlong time heating effect Ring the comfortableness that uses of user, be effectively guaranteed good defrost effect and heating effect, and improve that user uses it is comfortable Degree, lifts the experience of user, improves the satisfaction that user uses；And when judged result is no, return to sensing chamber again The Outlet Gas Temperature of one end that external heat exchanger is connected with accumulation of heat component and stop valve so that system can be in real time according to outlet The judged result of gas temperature and the first preset temperature, control air-conditioner is heated with different patterns, and then makes air-conditioner Accurately stop defrost in the suitable time to be heated, it is ensured that good defrost effect and heating effect, improve what user used Comfort level, improves the satisfaction that user uses.

In the above-mentioned technical solutions, it is preferable that operational factor during air conditioner heat-production defrost is outdoor heat exchanger and accumulation of heat The Outlet Gas Temperature of one end that component is connected with stop valve, the change shape of operational factor during according to air conditioner heat-production defrost The working condition of state, control stop valve and electric heating part makes air-conditioner include with the specific steps that different heating modes runs： The Outlet Gas Temperature of one end that detection outdoor heat exchanger is connected with accumulation of heat component and stop valve；Judging Outlet Gas Temperature is It is no to be more than the second preset temperature；If so, high temperature duration of the record Outlet Gas Temperature more than the second preset temperature, when high temperature duration When reaching the second preset duration, control electric heating part is stopped, and control stop valve is opened, and air-conditioner stops defrost system Heat, if it is not, return and the again Outlet Gas Temperature of one end that sensing chamber's external heat exchanger is connected with accumulation of heat component and stop valve.

In the technical scheme, operational factor during air conditioner heat-production defrost is outdoor heat exchanger and accumulation of heat component and cut-off The Outlet Gas Temperature of one end that valve is connected, by detecting the Outlet Gas Temperature of outdoor heat exchanger, judges exit gas temperature Whether degree is more than the second preset temperature, and when judged result is to be, record Outlet Gas Temperature is more than the second preset temperature Duration, when length reaches the second preset duration at that time, control electric heating part is stopped, and control stop valve is opened so that in outdoor When the Outlet Gas Temperature of heat exchanger reaches preset duration more than the second preset temperature, make air-conditioner in suitable time stoppingization Frost is heated, it is to avoid terminating defrost in advance makes defrost unclean, not thorough, causes the risk of outdoor heat exchanger icing and influences Heating effect, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, is effectively guaranteed good Good defrost effect and heating effect, and the comfort level that user uses is improved, the experience of user is lifted, improve user and use Satisfaction；And when judged result is no, returns and sensing chamber's external heat exchanger is connected with accumulation of heat component and stop valve again One end Outlet Gas Temperature so that system can be default according to Outlet Gas Temperature and the second preset temperature and second in real time The judged result of duration, control air-conditioner is heated with different patterns, and then air-conditioner is accurately stopped in the suitable time Only defrost is heated, it is ensured that good defrost effect and heating effect, improves the comfort level that user uses, and is improved user and is used Satisfaction.

In any of the above-described technical scheme, it is preferable that systematic parameter is at least one of or its combination：Outdoor heat exchanger The Outlet Gas Temperature of the one end being connected with accumulation of heat component and stop valve, the temperature of storage heater, the run time of compressor, pressure The running frequency of contracting machine.

In the technical scheme, systematic parameter is at least one of or its combination but not limited to this：Outdoor heat exchanger with The Outlet Gas Temperature of one end that accumulation of heat component is connected with stop valve, the temperature of storage heater, the run time of compressor, compression The running frequency of machine, various expression-forms of systematic parameter disclosure satisfy that different air-conditioners, different accumulation of heat components, different compressors Structure and different user demand, it is applied widely.

In any of the above-described technical scheme, it is preferable that the first preset duration, the second preset duration, the first preset temperature, Two preset temperatures are at least one of：The relational expression of compressor parameter, the relational expression or fixed value of storage heater parameter.

In the technical scheme, the first preset duration, the second preset duration, the first preset temperature, the second preset temperature are At least one of but not limited to this：The relational expression of compressor parameter, the relational expression or fixed value of storage heater parameter, first presets Duration, the second preset duration, the first preset temperature, various expression-forms of the second preset temperature disclosure satisfy that different compressors, The demand of different accumulation of heat components and different user, it is applied widely.Further, compressor parameter includes at least one of Or its combination:Compressor operating frequency, compressor horsepower, compressor operating duration；Storage heater parameter includes at least one of Or its combination：Storage heater container, heat-storing material, electric heating part power.

In the above-mentioned technical solutions, it is preferable that the first preset duration is t1, wherein 20s≤t1≤60s；Second it is default when A length of t2, wherein 180s≤t2≤900s；First preset temperature is T1, wherein 13 DEG C≤T1≤23 DEG C；Second preset temperature is T2, wherein 7 DEG C≤T2≤15 DEG C.

In the technical scheme, the first preset duration 20s≤t1≤60s, the second preset duration 180s≤t2≤900s, the One 13 DEG C≤T1≤23 DEG C of preset temperature, the second 7 DEG C≤T2≤15 DEG C of preset temperature, the first preset duration, the second preset duration, The zone of reasonableness of the first preset temperature and the second preset temperature, can thoroughly, totally make, it is ensured that air-conditioning in outdoor heat exchanger defrost Device is accurate, reasonably exit defrost is heated, it is to avoid the first preset temperature is relatively low, the second preset temperature is relatively low, first presets Duration is shorter, the shorter just control air-conditioner of the second preset duration stops defrost, the unclean not thorough easily knot of outdoor heat exchanger defrost Ice and heating effect is poor, it is to avoid the first preset temperature is higher, the second preset temperature is higher, the first preset duration, second preset Duration control air-conditioner more long stops defrost, air-conditioner is terminated defrost again for a long time after defrost is completed, and makes heating effect not The comfort level of good influence user, rational scope ensure that the good defrost effect of air-conditioner and heating effect, and improve use Family lifts the experience of user using the comfort level of air-conditioner, improves the satisfaction that user uses.

In the above-mentioned technical solutions, it is preferable that the first preset duration t1 is 40s, the second preset duration t2 is 300s, first Preset temperature T1 is 18 DEG C, and the second preset temperature T2 is 12 DEG C.

In the technical scheme, on the one hand, by recording the defrost duration of air-conditioner, and 40s is reached in defrost duration When long, control electric heating part is stopped, and control stop valve is opened, and air-conditioner stops defrost and heated, and makes outdoor heat exchanger White wholeization it is net, when change is thorough, in the suitable time, stopping defrost being heated air-conditioner, it is to avoid terminate making of defrost in advance Frost is not clean, not thorough, causes the risk of outdoor heat exchanger icing and influences heating effect, while avoiding defrost overlong time system The comfortableness that thermal effect harmful effect user uses, is effectively guaranteed good defrost effect and heating effect, and improve use The comfort level that family uses, lifts the experience of user, improves the satisfaction that user uses；On the one hand, changed by detecting outdoor The Outlet Gas Temperature of hot device, judges that whether Outlet Gas Temperature, more than 18 DEG C, and when judged result is to be, controls electrical heating Part is stopped, and control stop valve is opened, make white wholeization of outdoor heat exchanger only, change it is thorough when, air-conditioner is when suitable Between stop defrost and heated, it is to avoid terminating defrost in advance makes defrost unclean, not thoroughly, the wind for causing outdoor heat exchanger to freeze Danger simultaneously influences heating effect, while the comfortableness that defrost overlong time heating effect harmful effect user uses is avoided, effectively Good defrost effect and heating effect is ensure that, and improves the comfort level that user uses, lift the experience of user, improved The satisfaction that user uses；On the one hand, whether by detecting the Outlet Gas Temperature of outdoor heat exchanger, Outlet Gas Temperature is judged More than 12 DEG C, and when judged result is to be, duration of the record Outlet Gas Temperature more than 12 DEG C is long at that time to reach 300s, controls Electric heating part processed is stopped, and control stop valve is opened, and air-conditioner is stopped defrost in the suitable time and is heated, it is to avoid carries Preceding end defrost makes defrost unclean, not thorough, causes the risk of outdoor heat exchanger icing and influences heating effect, while avoiding The comfortableness that defrost overlong time heating effect harmful effect user uses, is effectively guaranteed good defrost effect and heats Effect, and the comfort level that user uses is improved, the experience of user is lifted, improve the satisfaction that user uses.Further, Above three scheme can implement that implementation can also be combined simultaneously, when any technical scheme meets pre-conditioned, you can Control electric heating part is stopped, and control stop valve is opened, and air-conditioner is stopped defrost in the suitable time and is heated, and makes sky Adjust device can accurately stop defrost in the suitable time in several ways to be heated, further enhance control air-conditioner and stop The only accuracy and reasonability of defrost, and mode single failure rate risk high is avoided, it is effectively improved control air-conditioner and stops Only the reliability of defrost, improves the satisfaction that user uses.

A kind of embodiment according to the second aspect of the invention, it is also proposed that defrosting control system, for air-conditioner, including： Detection unit, under air conditioner heat-production pattern, detecting the systematic parameter of air-conditioner；Judging unit, for judging that system is joined Whether number reaches default defrost condition；Execution unit, during for the judged result in judging unit to be, control stop valve is closed Close, control electric heating part work storage heater is heated, and operational factor during according to air conditioner heat-production defrost change shape The working condition of state, control stop valve and electric heating part makes air-conditioner be run with different heating modes.

The defrosting control system that the embodiment of second aspect present invention is provided, by detection unit in air conditioner heat-production pattern Under, the systematic parameter of air-conditioner is detected, judging unit judges whether systematic parameter reaches default defrost condition, and execution unit is being sentenced For when being, control stop valve is closed, control electric heating part work carries out heating to storage heater makes air-conditioning to the judged result of disconnected unit Device defrost in a heating mode so that refrigerant fully absorbs heat when by the storage heater for being electrically heated part heating, improves stream To the temperature of indoor heat exchanger refrigerant, and then ensure good heating effect, meanwhile, migrated to outdoor heat exchange by indoor heat exchanger The temperature of device refrigerant higher is conducive to the outdoor heat exchanger to carry out defrost, it is ensured that outdoor heat exchanger is quick, thorough defrost, it is to avoid four Port valve commutation makes air-conditioner, and defrost makes the comfort level of fluctuations in indoor temperature considerable influence user in cooling mode, effectively improves The comfort level that user uses, improves the satisfaction that user uses；Operation during by execution unit according to air conditioner heat-production defrost The working condition of the variable condition of parameter, control stop valve and electric heating part makes air-conditioner be run with different heating modes, enters And air-conditioner is accurately terminated defrost and heated, it is to avoid exiting defrost in advance makes defrost unclean, not thorough, causes outdoor The risk of heat exchanger icing simultaneously influences heating effect, while avoiding what defrost overlong time heating effect harmful effect user used Comfortableness, is effectively guaranteed good defrost effect and heating effect, and improves the comfort level that user uses, lifting user's Experience, improves the satisfaction that user uses.

In the above-mentioned technical solutions, it is preferable that operational factor during air conditioner heat-production defrost is the defrost duration of air-conditioner, Execution unit also includes：Recording unit, the defrost duration for recording air-conditioner, and reach the first preset duration in defrost duration When, sent to the first control unit and stop defrost signal；First control unit, for according to defrost signal is stopped, control electricity to add Warmware is stopped, and control stop valve is opened, and air-conditioner stops defrost and heated.

In the technical scheme, operational factor during air conditioner heat-production defrost is the defrost duration of air-conditioner, by record The defrost duration of unit record air-conditioner, and when defrost duration reaches the first preset duration, sent to the first control unit and stopped Only defrost signal, the first control unit is stopped according to defrost signal, control electric heating part is stopped, and control stop valve is opened, Air-conditioner stops defrost and is heated, make white wholeization of outdoor heat exchanger only, change it is thorough when, air-conditioner stops in the suitable time Only defrost is heated, it is to avoid terminating defrost in advance makes defrost unclean, not thorough, causes the risk that outdoor heat exchanger freezes simultaneously Influence heating effect, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, effectively ensures Good defrost effect and heating effect, and improve the comfort level that user uses, the experience of user is lifted, improve user The satisfaction for using.

In the above-mentioned technical solutions, it is preferable that operational factor during air conditioner heat-production defrost is outdoor heat exchanger and accumulation of heat The Outlet Gas Temperature of one end that component is connected with stop valve, execution unit also includes：First detection unit, for sensing chamber The Outlet Gas Temperature of one end that external heat exchanger is connected with accumulation of heat component and stop valve；First judging unit, for judging Whether implication temperature is more than the first preset temperature；Second control unit, for being yes in the judged result of the first judging unit When, control stop valve is opened, and air-conditioner stops defrost and heated；When the judged result of the first judging unit is no, return First detection unit.

In the technical scheme, operational factor during air conditioner heat-production defrost is outdoor heat exchanger and accumulation of heat component and cut-off The Outlet Gas Temperature of one end that valve is connected, the Outlet Gas Temperature of outdoor heat exchanger is detected by the first detection unit, the Whether one judging unit judges Outlet Gas Temperature more than the first preset temperature, and the second control unit is sentenced the first judging unit Disconnected result for when being, control electric heating part is stopped, open so that in the body temperature of working off one's feeling vent one's spleen of outdoor heat exchanger by control stop valve Degree is when reaching the first preset temperature, white wholeization of outdoor heat exchanger only, change it is thorough when, air-conditioner is in suitable time stoppingization Frost is heated, it is to avoid terminating defrost in advance makes defrost unclean, not thorough, causes the risk of outdoor heat exchanger icing and influences Heating effect, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, is effectively guaranteed good Good defrost effect and heating effect, and the comfort level that user uses is improved, the experience of user is lifted, improve user and use Satisfaction；By the second control unit when the judged result of the first judging unit is no, the first detection unit is returned to again The Outlet Gas Temperature of one end that detection outdoor heat exchanger is connected with accumulation of heat component and stop valve so that system being capable of root in real time According to Outlet Gas Temperature and the judged result of the first preset temperature, control air-conditioner is heated with different patterns, and then is made Air-conditioner accurately stops defrost and is heated in the suitable time, it is ensured that good defrost effect and heating effect, improves user The comfort level for using, improves the satisfaction that user uses.

In the above-mentioned technical solutions, it is preferable that operational factor during air conditioner heat-production defrost is outdoor heat exchanger and accumulation of heat The Outlet Gas Temperature of one end that component is connected with stop valve, execution unit also includes：First detection unit, for sensing chamber The Outlet Gas Temperature of one end that external heat exchanger is connected with accumulation of heat component and stop valve；Second judging unit, for judging Whether implication temperature is more than or equal to the second preset temperature；3rd control unit, the judged result for the second judging unit is When being, start recording unit, when the judged result of the second judging unit is no, be back to the first detection unit；Recording unit, For recording high temperature duration of the Outlet Gas Temperature more than the second preset temperature, when high temperature duration reaches the second preset duration, Sent to the 3rd control unit and stop defrost signal；3rd control unit, is additionally operable to, according to defrost signal is stopped, controlling electrical heating Part is stopped, and control stop valve is opened, and air-conditioner stops defrost and heated.

In the technical scheme, operational factor during air conditioner heat-production defrost is outdoor heat exchanger and accumulation of heat component and cut-off The Outlet Gas Temperature of one end that valve is connected, the Outlet Gas Temperature of outdoor heat exchanger is detected by the first detection unit, the Whether two judging units judge Outlet Gas Temperature more than the second preset temperature, the 3rd control unit sentencing in the second judging unit To start recording unit when being, recording unit records Outlet Gas Temperature is more than the duration of the second preset temperature to disconnected result, at that time When length reaches the second preset duration, sent to the 3rd control unit and stop defrost signal, the 3rd control unit is according to stopping defrost Signal control electric heating part is stopped, and control stop valve is opened so that outdoor heat exchanger Outlet Gas Temperature more than the When two preset temperatures reach preset duration, air-conditioner is stopped defrost in the suitable time and heated, it is to avoid end in advance Frost makes defrost unclean, not thorough, causes the risk of outdoor heat exchanger icing and influences heating effect, while avoiding the defrost time The comfortableness that long heating effect harmful effect user uses, is effectively guaranteed good defrost effect and heating effect, and The comfort level that user uses is improved, the experience of user is lifted, the satisfaction that user uses is improved；By the 3rd control unit The second judging unit judged result for it is no when, return the first detection unit detect again outdoor heat exchanger and accumulation of heat component and The Outlet Gas Temperature of one end that stop valve is connected so that system can in real time according to Outlet Gas Temperature and the second default temperature The judged result of degree and the second preset duration, control air-conditioner is heated with different patterns, and then makes air-conditioner suitable Time accurately stop defrost and heated, it is ensured that good defrost effect and heating effect, improve the comfort level that uses of user, Improve the satisfaction that user uses.

Embodiment in accordance with a further aspect of the present invention, it is also proposed that a kind of air-conditioner, including any of the above-described technical scheme institute The defrosting control system stated.

The air-conditioner that the embodiment of further aspect of the present invention is provided, because including the defrost control described in any of the above-described technical scheme System processed, thus possess whole beneficial effects of the defrosting control system that above-mentioned second aspect embodiment is proposed, no longer go to live in the household of one's in-laws on getting married herein State.

Additional aspect of the invention and advantage will become obvious in following description section, or by practice of the invention Recognize.

Brief description of the drawings

Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined Substantially and be readily appreciated that, wherein：

Fig. 1 a are the schematic flow sheets of defrosting control method in one embodiment of the present of invention；

Fig. 1 b are the schematic flow sheets of defrosting control method in an alternative embodiment of the invention；

Fig. 1 c are the schematic flow sheets of defrosting control method in another embodiment of the invention；

Fig. 1 d are the schematic flow sheets of defrosting control method in yet another embodiment of the present invention；

Fig. 2 a are the schematic block diagrams of defrosting control system in one embodiment of the present of invention；

Fig. 2 b are the schematic block diagrams of defrosting control system in an alternative embodiment of the invention；

Fig. 3 is the schematic block diagram of air-conditioner in embodiments of the invention.

Specific embodiment

It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.

Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.

Referring to Fig. 1 a to Fig. 3 description according to some embodiments of the invention defrosting control method, defrosting control system and Air-conditioner.

As shown in Figure 1a, embodiment according to the first aspect of the invention, it is proposed that a kind of defrosting control method, such as Fig. 1 a institutes The defrosting control method schematic flow sheet of the one embodiment of the present of invention shown includes：

Step S12, air-conditioner in a heating mode, detects the systematic parameter of air-conditioner；

Step S14, judges whether systematic parameter reaches default defrost condition；

Step S16, if the judged result of step S14 is yes, control stop valve is closed, and control electric heating part work is to accumulation of heat Device is heated；

Step S18, the variable condition of operational factor during according to air conditioner heat-production defrost controls stop valve and electric heating part Working condition air-conditioner is run with different heating mode.

The defrosting control method that the embodiment of first aspect present invention is provided, by air-conditioner in a heating mode, detection The systematic parameter of air-conditioner, and when systematic parameter reaches default defrost condition, control stop valve is closed, and controls electric heating part work Work carries out heating to storage heater makes air-conditioner defrost in a heating mode so that refrigerant is by being electrically heated the accumulation of heat that part is heated Heat is fully absorbed during device, raising flows to the temperature of indoor heat exchanger refrigerant, and then ensures good heating effect, meanwhile, by Indoor heat exchanger is migrated to the temperature of outdoor heat exchanger refrigerant higher and is conducive to the outdoor heat exchanger to carry out defrost, it is ensured that outdoor is changed Hot device is quick, thorough defrost, it is to avoid four-way valve commutation makes air-conditioner, and defrost makes the larger shadow of fluctuations in indoor temperature in cooling mode The comfort level of user is rung, the comfort level that user uses is effectively improved, the satisfaction that user uses is improved；By according to air-conditioner The working condition of the variable condition of operational factor when heating defrost, control stop valve and electric heating part makes air-conditioner with different Heating mode runs, and then makes air-conditioner accurately terminate defrost to be heated, it is to avoid exit in advance defrost make defrost it is unclean, Not thoroughly, cause the risk of outdoor heat exchanger icing and influence heating effect, while avoiding defrost overlong time heating effect not The comfortableness that good influence user uses, is effectively guaranteed good defrost effect and heating effect, and improve what user used Comfort level, lifts the experience of user, improves the satisfaction that user uses.

In one embodiment of the invention, it is preferable that operational factor during air conditioner heat-production defrost include it is following at least One or a combination set of：The outlet of one end that the defrost duration of air-conditioner, outdoor heat exchanger are connected with accumulation of heat component and stop valve Gas temperature.

In this embodiment, operational factor during air conditioner heat-production defrost includes at least one of or its combination：Air-conditioning The Outlet Gas Temperature of one end that the defrost duration of device, outdoor heat exchanger are connected with accumulation of heat component and stop valve, air-conditioner system Various expression ways of operational factor during thermalization frost disclosure satisfy that air-conditioner difference operating mode, outdoor heat exchanger different structure, store The demand of hot component different structure, stop valve different structure and different user, it is applied widely.On the one hand, air-conditioner system Operational factor during thermalization frost is the defrost duration of air-conditioner, can save the setting of other structures, and simple structure effectively drops The low machine failure rate of air-conditioner, improves the reliability of whole machine；On the one hand, operational factor during air conditioner heat-production defrost is room The Outlet Gas Temperature of one end that external heat exchanger is connected with accumulation of heat component and stop valve, can be arranged on room by temperature sensor The inside of the pipeline that external heat exchanger is connected with accumulation of heat component and stop valve, number of pin is shared with existing chip, is improved general Property, reduces cost is saved installing space, the less demand in channel interior space is disclosure satisfy that, while avoiding temperature sensor from setting Put and make outside outdoor heat exchanger its external structure complexity, simplify the structure outside outdoor heat exchanger, be conducive to installing and drop Low machine failure rate, effectively improves the reliability of whole machine.

The defrosting control method schematic flow sheet of an alternative embodiment of the invention as shown in Figure 2 b, air conditioner heat-production Operational factor when white is the defrost duration of air-conditioner, and step S18 also includes：

Step S1802, records the defrost duration of air-conditioner, and when defrost duration reaches the first preset duration, control electricity Heating member is stopped, and control stop valve is opened, and air-conditioner stops defrost and heated

Whether step S1804, judge Outlet Gas Temperature more than the first preset temperature；

Step S1806, when the judged result of step 1804 is to be, control electric heating part is stopped, and controls stop valve Open, air-conditioner stops defrost and heated.

The defrosting control method that the present invention is provided, when operational factor during air conditioner heat-production defrost is the defrost of air-conditioner Long, by recording the defrost duration of air-conditioner, and when defrost duration reaches the first preset duration, control electric heating part stops work Make, control stop valve is opened, air-conditioner stops defrost and heated, when white wholeization for making outdoor heat exchanger is net, change is thorough, sky Adjust device to stop defrost in the suitable time to be heated, it is to avoid terminating defrost in advance makes defrost unclean, not thorough, causes outdoor The risk of heat exchanger icing simultaneously influences heating effect, while avoiding what defrost overlong time heating effect harmful effect user used Comfortableness, is effectively guaranteed good defrost effect and heating effect, and improves the comfort level that user uses, lifting user's Experience, improves the satisfaction that user uses.

The defrosting control method schematic flow sheet of another embodiment of the invention as shown in Figure 2 c, air conditioner heat-production The Outlet Gas Temperature of one end that operational factor when white is connected for outdoor heat exchanger with accumulation of heat component and stop valve, step S18 also includes：

Step S1804, the Outlet Gas Temperature of one end that detection outdoor heat exchanger is connected with accumulation of heat component and stop valve；

Whether step S1806, judge Outlet Gas Temperature more than the first preset temperature；

Step S1808, when the judged result of step 1806 is to be, control electric heating part is stopped, and controls stop valve Open, air-conditioner stops defrost and heated, when the judged result of step 1806 is no, return to step S1804.

The defrosting control method that the present invention is provided, operational factor during air conditioner heat-production defrost is outdoor heat exchanger and accumulation of heat The Outlet Gas Temperature of one end that component is connected with stop valve, by detecting the Outlet Gas Temperature of outdoor heat exchanger, judges Whether Outlet Gas Temperature is more than the first preset temperature, and when judged result is to be, control electric heating part is stopped, and controls Stop valve is opened so that when the Outlet Gas Temperature of outdoor heat exchanger reaches the first preset temperature, and the frost of outdoor heat exchanger is complete When portionization is net, change is thorough, air-conditioner stops defrost and is heated in the suitable time, it is to avoid terminating defrost in advance makes defrost not do Only, not thoroughly, cause the risk of outdoor heat exchanger icing and influence heating effect, while avoiding defrost overlong time heating effect The comfortableness that harmful effect user uses, is effectively guaranteed good defrost effect and heating effect, and improves user and use Comfort level, lift the experience of user, improve the satisfaction that uses of user；And when judged result is no, return again The Outlet Gas Temperature of one end that detection outdoor heat exchanger is connected with accumulation of heat component and stop valve so that system being capable of root in real time According to Outlet Gas Temperature and the judged result of the first preset temperature, control air-conditioner is heated with different patterns, and then is made Air-conditioner accurately stops defrost and is heated in the suitable time, it is ensured that good defrost effect and heating effect, improves user The comfort level for using, improves the satisfaction that user uses.

The defrosting control method schematic flow sheet of one more embodiment of the present invention as shown in Figure 2 d, air conditioner heat-production defrost When the Outlet Gas Temperature of one end that is connected with accumulation of heat component and stop valve for outdoor heat exchanger of operational factor, step S18 Also include：

Whether step S1810, judge Outlet Gas Temperature more than the second preset temperature；

Step S1812, when the judged result of step S1810 is to be, record Outlet Gas Temperature is more than the second default temperature The high temperature duration of degree, when high temperature duration reaches the second preset duration, control electric heating part is stopped, and control stop valve is opened Open, air-conditioner stops defrost and heated, when the judged result of step S1810 is no, return to step S1804.

The defrosting control method that the present invention is provided, operational factor during air conditioner heat-production defrost is outdoor heat exchanger and accumulation of heat The Outlet Gas Temperature of one end that component is connected with stop valve, by detecting the Outlet Gas Temperature of outdoor heat exchanger, judges Whether Outlet Gas Temperature is more than the second preset temperature, and when judged result is to be, record Outlet Gas Temperature is more than second The duration of preset temperature, when length reaches the second preset duration at that time, control electric heating part is stopped, and control stop valve is opened, So that when the Outlet Gas Temperature of outdoor heat exchanger reaches preset duration more than the second preset temperature, making air-conditioner suitable Time stops defrost and is heated, it is to avoid terminating defrost in advance makes defrost unclean, not thorough, causes what outdoor heat exchanger froze Risk simultaneously influences heating effect, while the comfortableness that defrost overlong time heating effect harmful effect user uses is avoided, effectively Ensure that good defrost effect and heating effect, and improve the comfort level that user uses, lift the experience of user, carry The satisfaction that user high uses；And judged result for it is no when, return and again sensing chamber's external heat exchanger and accumulation of heat component and section The only Outlet Gas Temperature of one end that valve is connected so that system can in real time according to Outlet Gas Temperature and the second preset temperature With the judged result of the second preset duration, control air-conditioner is heated with different patterns, and then makes air-conditioner suitable Time accurately stops defrost and is heated, it is ensured that good defrost effect and heating effect, improves the comfort level that user uses, and carries The satisfaction that user high uses.

In one embodiment of the invention, it is preferable that systematic parameter is at least one of or its combination：Outdoor heat exchange The Outlet Gas Temperature of one end that device is connected with accumulation of heat component and stop valve, the temperature of storage heater, the run time of compressor, The running frequency of compressor.

In one embodiment of the invention, it is preferable that the first preset duration, the second preset duration, the first preset temperature, Second preset temperature is at least one of：The relational expression of compressor parameter, the relational expression or fixed value of storage heater parameter.

In this embodiment, the first preset duration, the second preset duration, the first preset temperature, the second preset temperature be with At least one lower but not limited to this：The relational expression of compressor parameter, the relational expression or fixed value of storage heater parameter, first it is default when Length, various expression-forms of the second preset duration, the first preset temperature, the second preset temperature disclosure satisfy that different compressors, no It is applied widely with accumulation of heat component and the demand of different user.Further, compressor parameter include at least one of or Its combination:Compressor operating frequency, compressor horsepower, compressor operating duration；Storage heater parameter include at least one of or Its combination：Storage heater container, heat-storing material, electric heating part power.

In one embodiment of the invention, it is preferable that the first preset duration is t1, wherein 20s≤t1≤60s；Second Preset duration is t2, wherein 180s≤t2≤900s；First preset temperature is T1, wherein 13 DEG C≤T1≤23 DEG C；Second presets Temperature is T2, wherein 7 DEG C≤T2≤15 DEG C.

In this embodiment, the first preset duration 20s≤t1≤60s, the second preset duration 180s≤t2≤900s, first 13 DEG C≤T1≤23 DEG C of preset temperature, the second 7 DEG C≤T2≤15 DEG C of preset temperature, the first preset duration, the second preset duration, The zone of reasonableness of one preset temperature and the second preset temperature, can thoroughly, totally make, it is ensured that air-conditioner in outdoor heat exchanger defrost Accurately, reasonably exit defrost to be heated, it is to avoid when the first preset temperature is relatively low, the second preset temperature is relatively low, first is default The shorter just control air-conditioner of shorter, the second preset duration long stops defrost, and outdoor heat exchanger defrost is not clean not to freeze easily thoroughly And heating effect is poor, it is to avoid the first preset temperature is higher, the second preset temperature is higher, the first preset duration, second it is default when Control air-conditioner more long stops defrost, air-conditioner is terminated defrost again for a long time after defrost is completed, and makes heating effect bad The comfort level of user is influenceed, rational scope ensure that the good defrost effect of air-conditioner and heating effect, and improve user Using the comfort level of air-conditioner, the experience of user is lifted, improve the satisfaction that user uses.

In one embodiment of the invention, it is preferable that the first preset duration t1 is 40s, the second preset duration t2 is 300s, the first preset temperature T1 are 18 DEG C, and the second preset temperature T2 is 12 DEG C.

In this embodiment, on the one hand, by recording the defrost duration of air-conditioner, and it is long to reach 40s in defrost duration When, control electric heating part is stopped, and control stop valve is opened, and air-conditioner stops defrost and heated, and makes outdoor heat exchanger When white wholeization is net, change is thorough, air-conditioner stops defrost and is heated in the suitable time, it is to avoid terminating defrost in advance makes defrost It is unclean, not thorough, cause the risk of outdoor heat exchanger icing and influence heating effect, while avoiding defrost overlong time from heating The comfortableness that effect harmful effect user uses, is effectively guaranteed good defrost effect and heating effect, and improve user The comfort level for using, lifts the experience of user, improves the satisfaction that user uses；On the one hand, by detecting outdoor heat exchange The Outlet Gas Temperature of device, judges that whether Outlet Gas Temperature, more than 18 DEG C, and when judged result is to be, controls electric heating part Be stopped, control stop valve is opened, make white wholeization of outdoor heat exchanger only, change it is thorough when, air-conditioner is in the suitable time Stop defrost being heated, it is to avoid terminating defrost in advance makes defrost unclean, not thorough, the risk for causing outdoor heat exchanger to freeze And heating effect is influenceed, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, effectively protects Good defrost effect and heating effect is demonstrate,proved, and has improved the comfort level that user uses, lifted the experience of user, improved and use The satisfaction that family uses；On the one hand, by detecting the Outlet Gas Temperature of outdoor heat exchanger, judge whether Outlet Gas Temperature is big In 12 DEG C, and when judged result is to be, duration of the record Outlet Gas Temperature more than 12 DEG C is long at that time to reach 300s, controls Electric heating part is stopped, and control stop valve is opened, and air-conditioner is stopped defrost in the suitable time and is heated, it is to avoid in advance Terminating defrost makes defrost unclean, not thorough, causes the risk of outdoor heat exchanger icing and influences heating effect, while avoiding The comfortableness that white overlong time heating effect harmful effect user uses, is effectively guaranteed good defrost effect and heats effect Really, and improve the comfort level that user uses, lift the experience of user, improve the satisfaction that user uses.Further, on Stating three schemes can be while implements that implementation can also be combined, when any technical scheme meets pre-conditioned, you can control Electric heating part processed is stopped, and control stop valve is opened, and air-conditioner is stopped defrost in the suitable time and is heated, and makes air-conditioning Device can accurately stop defrost and be heated in the suitable time in several ways, further enhance control air-conditioner and stop The accuracy and reasonability of defrost, and mode single failure rate risk high is avoided, it is effectively improved control air-conditioner and stops The reliability of defrost, improves the satisfaction that user uses.

As shown in Figure 2 a, a kind of embodiment according to the second aspect of the invention, it is also proposed that defrosting control system 200, uses In air-conditioner, including：Detection unit 22, under air conditioner heat-production pattern, detecting the systematic parameter of air-conditioner；Judging unit 24, for judging whether systematic parameter reaches default defrost condition；Execution unit 26, for the judged result in judging unit 24 During to be, control stop valve is closed, and control electric heating part work is heated to storage heater, and during according to air conditioner heat-production defrost Operational factor variable condition, the working condition of control stop valve and electric heating part makes air-conditioner be transported with different heating mode OK.

The defrosting control system 200 that the embodiment of second aspect present invention is provided, by detection unit 22 in air-conditioner system Under heat pattern, the systematic parameter of air-conditioner is detected, judging unit 24 judges whether systematic parameter reaches default defrost condition, performed Unit 26 when the judged result of judging unit 24 is to be, closed by control stop valve, and control electric heating part work is entered to storage heater Row heating makes air-conditioner defrost in a heating mode so that refrigerant is fully absorbed when by the storage heater for being electrically heated part heating Heat, raising flows to the temperature of indoor heat exchanger refrigerant, and then ensures good heating effect, meanwhile, moved by indoor heat exchanger The temperature refrigerant higher for moving to outdoor heat exchanger is conducive to the outdoor heat exchanger to carry out defrost, it is ensured that outdoor heat exchanger is quick, thorough Bottom defrost, it is to avoid four-way valve commutation makes air-conditioner, and defrost makes that fluctuations in indoor temperature considerable influence user's is comfortable in cooling mode Degree, effectively improves the comfort level that user uses, and improves the satisfaction that user uses；By execution unit 26 according to air-conditioner system The working condition of the variable condition of operational factor during thermalization frost, control stop valve and electric heating part makes air-conditioner with different systems Heat pattern is run, and then makes air-conditioner accurately terminate defrost to be heated, it is to avoid exiting defrost in advance makes defrost unclean, no Thoroughly, cause the risk of outdoor heat exchanger icing and influence heating effect, while avoiding defrost overlong time heating effect bad The influence comfortableness that uses of user, is effectively guaranteed good defrost effect and heating effect, and relaxing of improving that user uses Appropriateness, lifts the experience of user, improves the satisfaction that user uses.

The defrosting control system of another embodiment of the invention as shown in Figure 2 b, it is preferable that air conditioner heat-production defrost When operational factor be the defrost duration of air-conditioner, execution unit 26 also includes：Recording unit 2602, for recording air-conditioner Defrost duration, and when defrost duration reaches the first preset duration, sent to the first control unit 2604 and stop defrost signal；The One control unit 2604, for according to defrost signal is stopped, control electric heating part to be stopped, and control stop valve is opened, air-conditioning Device stops defrost and is heated.

The defrosting control system 200 that the present invention is provided, operational factor during air conditioner heat-production defrost is the defrost of air-conditioner Duration, the defrost duration of air-conditioner is recorded by recording unit 2602, and when defrost duration reaches the first preset duration, to the One control unit 2604 sends and stops defrost signal, and the first control unit 2604 controls electric heating part according to defrost signal is stopped Be stopped, control stop valve is opened, air-conditioner stops defrost and heated, make white wholeization of outdoor heat exchanger only, change it is thorough During bottom, air-conditioner stops defrost and is heated in the suitable time, it is to avoid terminating defrost in advance makes defrost unclean, not thorough, Cause the risk of outdoor heat exchanger icing and influence heating effect, while avoiding the harmful effect of defrost overlong time heating effect from using The comfortableness that family uses, is effectively guaranteed good defrost effect and heating effect, and improves the comfort level that user uses, and carries The experience of user is risen, the satisfaction that user uses is improved.

The defrosting control system of another embodiment of the invention as shown in Figure 2 b, it is preferable that air conditioner heat-production defrost When the Outlet Gas Temperature of one end that is connected with accumulation of heat component and stop valve for outdoor heat exchanger of operational factor, execution unit 26 also include：First detection unit 2606, for detecting one end that outdoor heat exchanger is connected with accumulation of heat component and stop valve Outlet Gas Temperature；First judging unit 2608, for judging Outlet Gas Temperature whether more than the first preset temperature；Second control Unit processed 2610, during for the judged result in the first judging unit 2608 to be, control stop valve is opened, air-conditioner stoppingization Frost is heated；When the judged result of the first judging unit 2608 is no, the first detection unit 2606 is returned.

The defrosting control system 200 that the present invention is provided, operational factor during air conditioner heat-production defrost for outdoor heat exchanger with The Outlet Gas Temperature of one end that accumulation of heat component is connected with stop valve, outdoor heat exchanger is detected by the first detection unit 2606 Outlet Gas Temperature, whether the first judging unit 2608 judge Outlet Gas Temperature more than the first preset temperature, the second control When the judged result of the first judging unit 2608 is to be, control electric heating part is stopped unit 2610, and control stop valve is opened Open so that when the Outlet Gas Temperature of outdoor heat exchanger reaches the first preset temperature, white wholeization of outdoor heat exchanger only, change When thoroughly, air-conditioner stops defrost and is heated in the suitable time, it is to avoid terminating defrost in advance makes defrost unclean, not thorough Bottom, causes the risk of outdoor heat exchanger icing and influences heating effect, while avoiding the defrost bad shadow of overlong time heating effect Ring the comfortableness that uses of user, be effectively guaranteed good defrost effect and heating effect, and improve that user uses it is comfortable Degree, lifts the experience of user, improves the satisfaction that user uses；By the second control unit 2610 in the first judging unit When 2608 judged result is no, returns to the first detection unit 2606 and detect outdoor heat exchanger and accumulation of heat component and stop valve again The Outlet Gas Temperature of the one end being connected so that system being capable of sentencing according to Outlet Gas Temperature and the first preset temperature in real time Disconnected result, control air-conditioner is heated with different patterns, and then accurately stopping defrost being entered in the suitable time to make air-conditioner Row is heated, it is ensured that good defrost effect and heating effect, improves the comfort level that user uses, and improves the satisfaction that user uses Degree.

The defrosting control system of another embodiment of the invention as shown in Figure 2 b, it is preferable that air conditioner heat-production defrost When the Outlet Gas Temperature of one end that is connected with accumulation of heat component and stop valve for outdoor heat exchanger of operational factor, execution unit 26 also include：First detection unit 2606, for detecting one end that outdoor heat exchanger is connected with accumulation of heat component and stop valve Outlet Gas Temperature；Second judging unit 2612, for judging Outlet Gas Temperature whether more than or equal to the second preset temperature；The Three control units 2614, the judged result for the second judging unit 2612 is when being, to start recording unit 2602, is sentenced second When the judged result of disconnected unit 2612 is no, the first detection unit 2606 is back to；Recording unit 2602, works off one's feeling vent one's spleen for recording Temperature is more than the high temperature duration of the second preset temperature, when high temperature duration reaches the second preset duration, to the 3rd control unit 2614 send stopping defrost signal；3rd control unit 2614, is additionally operable to according to defrost signal is stopped, and control electric heating part stops Work, control stop valve is opened, and air-conditioner stops defrost and heated.

The defrosting control system 200 that the present invention is provided, operational factor during air conditioner heat-production defrost for outdoor heat exchanger with The Outlet Gas Temperature of one end that accumulation of heat component is connected with stop valve, outdoor heat exchanger is detected by the first detection unit 2606 Outlet Gas Temperature, whether the second judging unit 2612 judge Outlet Gas Temperature more than the second preset temperature, the 3rd control Unit 2614 starts recording unit 2602 when the judged result of the second judging unit 2612 is to be, recording unit 2602 is recorded out Implication temperature is more than the duration of the second preset temperature, when length reaches the second preset duration at that time, to the 3rd control unit 2614 Send and stop defrost signal, the 3rd control unit 2614 is stopped according to defrost signal control electric heating part is stopped, and control cuts Only valve is opened so that when the Outlet Gas Temperature of outdoor heat exchanger reaches preset duration more than the second preset temperature, make air-conditioning Device stops defrost and is heated in the suitable time, it is to avoid terminating defrost in advance makes defrost unclean, not thorough, causes outdoor to be changed The risk that hot device freezes simultaneously influences heating effect, while avoiding what defrost overlong time heating effect harmful effect user used from relaxing Adaptive, is effectively guaranteed good defrost effect and heating effect, and improves the comfort level that user uses, and lifting user's makes With experience, the satisfaction that user uses is improved；By the 3rd control unit 2614 the second judging unit 2612 judged result For it is no when, return the first detection unit 2606 detect one end that outdoor heat exchanger is connected with accumulation of heat component and stop valve again Outlet Gas Temperature so that system being capable of sentencing according to Outlet Gas Temperature and the second preset temperature and the second preset duration in real time Disconnected result, control air-conditioner is heated with different patterns, and then accurately stopping defrost being entered in the suitable time to make air-conditioner Row is heated, it is ensured that good defrost effect and heating effect, improves the comfort level that user uses, and improves the satisfaction that user uses Degree.

In this embodiment, systematic parameter is at least one of or its combination but not limited to this：Outdoor heat exchanger and storage The Outlet Gas Temperature of one end that hot component is connected with stop valve, the temperature of storage heater, the run time of compressor, compressor Running frequency, various expression-forms of systematic parameter disclosure satisfy that different air-conditioners, different accumulation of heat components, different compressors The demand of structure and different user, it is applied widely.

In a particular embodiment, the present invention provide defrosting control system in the first control unit, the second control unit, 3rd control unit can be by one or more microprocessors control, and the first judging unit and the second judging unit can be by one Or multi-microprocessor control.

As shown in figure 3, embodiment in accordance with a further aspect of the present invention, it is also proposed that a kind of air-conditioner 300, including above-mentioned Defrosting control system 200 described in one technical scheme.

The air-conditioner 300 that the embodiment of further aspect of the present invention is provided, because including the change described in any of the above-described technical scheme White control system 200, thus possess whole beneficial effects of the defrosting control system 200 that above-mentioned second aspect embodiment is proposed, Will not be repeated here.

In a particular embodiment, the first judging unit, the second judging unit in the defrosting control system that the present invention is provided Can be by one or more microprocessors control, the first control unit, the second control unit and the 3rd control unit can be by one The control of individual or multi-microprocessor.

In the present invention, term " multiple " then refers to two or more, unless otherwise clearly restriction.Term " peace The term such as dress ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, it is also possible to It is to be detachably connected, or is integrally connected；" connected " can be joined directly together, it is also possible to be indirectly connected to by intermediary.It is right For one of ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be as the case may be understood.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that the specific features, structure, material or the feature that are described with reference to the embodiment or example are contained in of the invention at least one real In applying example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or reality Example.And, the specific features of description, structure, material or feature can in one or more any embodiments or example with Suitable mode is combined.

The preferred embodiments of the present invention are these are only, is not intended to limit the invention, for those skilled in the art For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made, Equivalent, improvement etc., should be included within the scope of the present invention.

Claims

1. a kind of defrosting control method, for air-conditioner, it is characterised in that the air-conditioner includes compressor, four-way valve, outdoor Heat exchanger, accumulation of heat component and stop valve, the accumulation of heat component and the stop valve it is in parallel be arranged on the four-way valve and described Between outdoor heat exchanger, the accumulation of heat component includes storage heater and electric heating part, and the accumulation of heat component can make the air-conditioning Device defrost in a heating mode, the defrosting control method includes：

The air-conditioner in a heating mode, detects the systematic parameter of the air-conditioner；

Judge whether the systematic parameter reaches default defrost condition；

If so, controlling the stop valve to close, the electric heating part work is controlled to heat the storage heater, and according to institute The variable condition of operational factor when stating air conditioner heat-production defrost, controls the working condition of the stop valve and the electric heating part The air-conditioner is set to be run with different heating modes.

2. defrosting control method according to claim 1, it is characterised in that the operation ginseng during air conditioner heat-production defrost Number includes at least one of or its combination：

One end that the defrost duration of the air-conditioner, the outdoor heat exchanger are connected with the accumulation of heat component and the stop valve Outlet Gas Temperature.

3. defrosting control method according to claim 2, it is characterised in that the operation ginseng during air conditioner heat-production defrost Number for the air-conditioner defrost duration, it is described according to the air conditioner heat-production defrost when operational factor variable condition, control The working condition for making the stop valve and the electric heating part makes the air-conditioner with the specific step of different heating mode operations Suddenly include：

The defrost duration of the air-conditioner is recorded, and when the defrost duration reaches the first preset duration, controls the electricity to add Warmware is stopped, and controls the stop valve to open, and the air-conditioner stops defrost and heated.

4. defrosting control method according to claim 2, it is characterised in that the operation ginseng during air conditioner heat-production defrost The Outlet Gas Temperature of one end that number is connected for the outdoor heat exchanger with the accumulation of heat component and the stop valve, described The variable condition of operational factor during according to the air conditioner heat-production defrost, controls the work of the stop valve and the electric heating part State makes the air-conditioner include with the specific steps that different heating modes runs：

Detect the Outlet Gas Temperature of one end that the outdoor heat exchanger is connected with the accumulation of heat component and the stop valve；

Judge the Outlet Gas Temperature whether more than the first preset temperature；

If so, controlling the electric heating part to be stopped, the stop valve is controlled to open, the air-conditioner stops defrost system Heat, if it is not, returning and detecting one end that the outdoor heat exchanger is connected with the accumulation of heat component and the stop valve again Outlet Gas Temperature.

5. defrosting control method according to claim 2, it is characterised in that the operation ginseng during air conditioner heat-production defrost The Outlet Gas Temperature of one end that number is connected for the outdoor heat exchanger with the accumulation of heat component and the stop valve, described The variable condition of operational factor during according to the air conditioner heat-production defrost, controls the work of the stop valve and the electric heating part State makes the air-conditioner include with the specific steps that different heating modes runs：：

Judge the Outlet Gas Temperature whether more than the second preset temperature；

If so, recording high temperature duration of the Outlet Gas Temperature more than second preset temperature, it is up to when the high temperature During to the second preset duration, control the electric heating part to be stopped, control the stop valve to open, the air-conditioner stoppingization Frost is heated, if it is not, returning and detecting that the outdoor heat exchanger is connected with the accumulation of heat component and the stop valve again One end Outlet Gas Temperature.

6. defrosting control method according to any one of claim 1 to 5, it is characterised in that the systematic parameter be with At least one lower or its combination：

The Outlet Gas Temperature of one end that the outdoor heat exchanger is connected with the accumulation of heat component and the stop valve, the storage The temperature of hot device, the run time of the compressor, the running frequency of the compressor.

7. the defrosting control method according to any one of claim 3 to 5, it is characterised in that

First preset duration, second preset duration, first preset temperature, second preset temperature are following At least one：The relational expression or fixed value of the relational expression of the compressor parameter, the storage heater parameter.

8. defrosting control method according to claim 7, it is characterised in that

First preset duration is t1, wherein 20s≤t1≤60s；

Second preset duration is t2, wherein 180s≤t2≤900s；

First preset temperature is T1, wherein 13 DEG C≤T1≤23 DEG C；

Second preset temperature is T2, wherein 7 DEG C≤T2≤15 DEG C.

9. defrosting control method according to claim 8, it is characterised in that

The first preset duration t1 is 40s, and the second preset duration t2 is 300s, and the first preset temperature T1 is 18 DEG C, the second preset temperature T2 is 12 DEG C.

10. a kind of defrosting control system, for air-conditioner, it is characterised in that including：

Detection unit, in a heating mode, the systematic parameter of the air-conditioner is detected in the air-conditioner；

Judging unit, for judging whether the systematic parameter reaches default defrost condition；

Execution unit, during for the judged result in the judging unit to be, controls the stop valve to close, and controls the electricity Heating member work the storage heater is heated, and operational factor during according to the air conditioner heat-production defrost change shape State, controlling the working condition of the stop valve and the electric heating part makes the air-conditioner be run with different heating modes.

11. defrosting control systems according to claim 10, it is characterised in that the operation during air conditioner heat-production defrost Parameter includes at least one of or its combination：

12. defrosting control systems according to claim 11, it is characterised in that the operation during air conditioner heat-production defrost Parameter is the defrost duration of the air-conditioner, and the execution unit also includes：

Recording unit, the defrost duration for recording the air-conditioner, and when the defrost duration reaches the first preset duration, Sent to the first control unit and stop defrost signal；

First control unit, for according to the stopping defrost signal, controlling the electric heating part to be stopped, controls institute Stop valve unlatching is stated, the air-conditioner stops defrost and heated.

13. defrosting control systems according to claim 11, it is characterised in that the operation during air conditioner heat-production defrost Parameter is the Outlet Gas Temperature of one end that the outdoor heat exchanger is connected with the accumulation of heat component and the stop valve, described Execution unit also includes：

First detection unit, for detecting one end that the outdoor heat exchanger is connected with the accumulation of heat component and the stop valve Outlet Gas Temperature；

First judging unit, for judging the Outlet Gas Temperature whether more than the first preset temperature；

Second control unit, during for the judged result in first judging unit to be, controls the stop valve to open, institute Air-conditioner stopping defrost being stated to be heated；When the judged result of first judging unit is no, the first detection unit is returned.

14. defrosting control systems according to claim 11, it is characterised in that the operation during air conditioner heat-production defrost Parameter is the Outlet Gas Temperature of one end that the outdoor heat exchanger is connected with the accumulation of heat component and the stop valve, described Execution unit also includes：

Second judging unit, for judging the Outlet Gas Temperature whether more than or equal to the second preset temperature；

3rd control unit, the judged result for second judging unit is when being, to start recording unit, described second When the judged result of judging unit is no, first detection unit is back to；

The recording unit, for recording high temperature duration of the Outlet Gas Temperature more than second preset temperature, works as institute When stating high temperature duration and reaching the second preset duration, sent to the 3rd control unit and stop defrost signal；

3rd control unit, is additionally operable to, according to the stopping defrost signal, control the electric heating part to be stopped, and controls The stop valve is opened, and the air-conditioner stops defrost and heated.

15. defrosting control system according to any one of claim 10 to 14, it is characterised in that the systematic parameter is At least one of or its combination：

16. defrosting control system according to any one of claim 12 to 14, it is characterised in that

17. defrosting control systems according to claim 16, it is characterised in that

First preset duration is t1, wherein 20s≤t1≤60s；

Second preset duration is t2, wherein 180s≤t2≤900s；

First preset temperature is T1, wherein 13 DEG C≤T1≤23 DEG C；

Second preset temperature is T2, wherein 7 DEG C≤T2≤15 DEG C.

18. defrosting control systems according to claim 16, it is characterised in that

A kind of 19. air-conditioners, it is characterised in that including：

Defrosting control system as any one of claim 10 to 18.