CN106594937A

CN106594937A - Air conditioner, and defrosting control method and system

Info

Publication number: CN106594937A
Application number: CN201710016549.3A
Authority: CN
Inventors: 姬安生; 曾小朗; 谭周衡
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: 2017-04-26

Abstract

The invention provides an air conditioner, and a defrosting control method and system. The air conditioner comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, a four-way valve, a throttling device, a heat accumulation assembly, a stop valve and a temperature sensor, wherein the heat accumulation assembly is arranged between the four-way valve and the outdoor heat exchanger; the heat accumulation assembly comprises a heat accumulator and electric heating parts; the temperature sensor is arranged on the outdoor heat exchanger, located at the end, communicating with the four-way valve, of the outdoor heat exchanger and used for detecting the temperature of outlet gas of the outdoor heat exchanger. According to the air conditioner provided by the invention, the air conditioner conducts defrosting through the heat accumulation assembly in a heating mode. the good defrosting effect and heating effect are guaranteed, and the use comfortable degree of users is promoted; the working conditions of the stop valve and the electric heating parts are controlled according to the change state of the outlet gas temperature to enable the air conditioner to run in different heating modes, the air conditioner is made to accurately stop defrosting and conduct heating, the good defrosting effect and heating effect are guaranteed, and the use comfortable degree of the users is improved.

Description

Air-conditioner, defrosting control method and defrosting control system

Technical field

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

Background technology

Air-conditioner in correlation technique generally carries out hot gas defrosting using the delivery temperature of compressor, when defrosting is started, Cross 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, affect the comfort level of user；And defrosted Because the frost of outdoor heat exchanger bottom is more difficult cleared in journey, when the own Jing defrostings of top half are finished, it is necessary to when outdoor is changed Partly defrost 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

In order to solve at least one above-mentioned technical problem, the embodiment of a first aspect of the present invention proposes a kind of air-conditioning Device.

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

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

In view of this, embodiment according to the first aspect of the invention, the present invention proposes a kind of air-conditioner, including：Pressure Contracting machine；Indoor heat exchanger；Outdoor heat exchanger；Cross valve, is disposed in the interior between heat exchanger and outdoor heat exchanger, and the two of cross valve The gas outlet of individual orifice compressor and one end of indoor heat exchanger, the air inlet of the another two orifice compressor of cross valve One end of mouth and outdoor heat exchanger；Throttling arrangement, be disposed in the interior heat exchanger the other end and outdoor heat exchanger the other end it Between；Accumulation of heat component, is arranged between cross valve and outdoor heat exchanger, and accumulation of heat component includes storage heater, electric heating part, and storage heater is used In heat-storing material is accommodated, electric heating part is arranged on storage heater, for heating to storage heater；Stop valve, is arranged on four-way Between valve and outdoor heat exchanger, it is connected with accumulation of heat modules in parallel；Temperature sensor, is disposed in the outdoor on heat exchanger, is located outside One end that heat exchanger is connected with cross valve, for detecting the Outlet Gas Temperature of outdoor heat exchanger.

The air-conditioner that the present invention is provided, by arranging accumulation of heat component between cross valve and outdoor heat exchanger, air-conditioner exists When heating mode is issued to defrost condition, control stop valve is closed, and electric heating part work is heated to storage heater so that accumulation of heat Device stores heat by the heat-storing material for accommodating, and electric heating part heat storage device makes the sufficient heat of heat-storing material storage, refrigerant Heat is fully absorbed when by the storage heater for being electrically heated part heating, raising flows to the temperature of indoor heat exchanger refrigerant, and then Ensure good heating effect, simultaneously as migrating higher to the temperature of the refrigerant of outdoor heat exchanger by indoor heat exchanger so that Air-conditioner can also carry out in a heating mode defrost, and the refrigerant of higher temperature is conducive to outdoor heat exchanger to carry out defrost, it is ensured that Outdoor heat exchanger is quick, thorough defrost, it is to avoid cross valve commutation make air-conditioner in cooling mode defrost fluctuations in indoor temperature compared with The comfort level of big impact user, effectively improves the comfort level that user uses, and improves the satisfaction that user uses；By being arranged on Temperature sensor on heat exchanger detects the Outlet Gas Temperature of outdoor heat exchanger, and according to the variable condition of Outlet Gas Temperature The working condition of control stop valve and electric heating part is made air-conditioner and is run with different heating modes, and then makes air-conditioner accurate Terminate defrost to be heated, it is to avoid exiting defrost in advance makes defrost unclean, thorough, the risk for causing outdoor heat exchanger to freeze And heating effect is affected, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, effectively protects Good defrost effect and heating effect are demonstrate,proved, and has improved the comfort level that user uses, lifted the experience of user, improved and use The satisfaction that family uses.

In addition, the air-conditioner in above-described embodiment of present invention offer can also have following additional technical feature：

In above-mentioned technical proposal, it is preferable that heat-storing material is covert heat-storing material.

In the technical scheme, heat-storing material is covert heat-storing material, can be stablized, prolonged storing heat, it is to avoid Storage heater temperature rises rapid and causes refrigerator oil to be carbonized, while avoiding storage heater temperature change from comparatively fast needing frequently to open electricity Heating member and produce rush of current, covert heat-storing material ensure that good heating effect and defrost effect, and improving user makes Satisfaction.Further, covert heat-storing material is at least one of or its combination but not limited to this：Water, paraffin.

In any of the above-described technical scheme, it is preferable that throttling arrangement is electric expansion valve.

In the technical scheme, throttling arrangement is electric expansion valve so that controlled according to the different operational modes of air-conditioner Electric expansion valve is opened with different aperture threshold values, and then meets the different demands to coolant quantity of air-conditioner system, is suitable for model Enclose extensively, and ensure that good heating effect and defrost effect, and then improve the satisfaction that user uses.Further, Air-conditioner in a heating mode defrost when, electric expansion valve with maximum opening threshold value unlatching, with ensure abundance coolant quantity carry out Energy exchange, it is ensured that good defrost effect and heating effect, improves the satisfaction that user uses.

Embodiment according to the second aspect of the invention, it is also proposed that a kind of defrosting control method, for air-conditioner, air-conditioner Air-conditioner described in any of the above-described technical scheme, defrosting control method includes：Air-conditioner in a heating mode, detects air-conditioner Systematic parameter；Judge whether systematic parameter reaches default defrost condition；If so, control stop valve to close, control electric heating part Work is heated to storage heater, and the variable condition of the Outlet Gas Temperature according to outdoor heat exchanger, controls stop valve and electricity The working condition of heating member is made air-conditioner and is run with different heating modes.

The defrosting control method that the embodiment of second 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 in the accumulation of heat by being electrically heated part heating 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 higher refrigerant of the temperature of outdoor heat exchanger and is conducive to outdoor heat exchanger to carry out defrost, it is ensured that outdoor is changed Hot device is quick, thorough defrost, it is to avoid cross valve commutation makes air-conditioner, and in cooling mode defrost makes the larger shadow of fluctuations in indoor temperature The comfort level of user is rung, the comfort level that user uses is effectively improved, the satisfaction that user uses is improved；By being changed according to outdoor The variable condition of the Outlet Gas Temperature of hot device, controlling the working condition of 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 clean, not no Thoroughly, cause the risk of outdoor heat exchanger icing and affect heating effect, while avoiding defrost overlong time heating effect bad The comfortableness that uses of user is affected, good defrost effect and heating effect is effectively guaranteed, and relaxing of improving that user uses Appropriateness, lifts the experience of user, improves the satisfaction that user uses.

In any of the above-described technical scheme, it is preferable that according to the variable condition of the Outlet Gas Temperature of outdoor heat exchanger, control The concrete steps of the working condition of air-conditioner processed include：The Outlet Gas Temperature of detection outdoor heat exchanger；Judge exit gas temperature Whether degree is more than the first preset temperature；If so, control electric heating part to quit work, control stop valve is opened, air-conditioner stoppingization Frost is heated.

In the technical scheme, by the Outlet Gas Temperature for detecting outdoor heat exchanger, whether Outlet Gas Temperature is judged More than the first preset temperature, and when judged result is to be, control electric heating part quits work, and control stop valve is opened so that When the Outlet Gas Temperature of outdoor heat exchanger reaches the first preset temperature, making air-conditioner stop defrost in the suitable time is carried out Heat, it is to avoid terminating defrost in advance makes defrost unclean, thorough, causes the risk of outdoor heat exchanger icing and impact heats effect Really, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, is effectively guaranteed good change White effect and heating effect, and the comfort level that user uses is improved, the experience of user is lifted, improve the satisfaction that user uses Degree.

In any of the above-described technical scheme, it is preferable that according to the variable condition of the Outlet Gas Temperature of outdoor heat exchanger, control The concrete steps of the working condition of air-conditioner processed include：The Outlet Gas Temperature of detection outdoor heat exchanger；Judge exit gas temperature Whether degree is more than the second preset temperature；If so, duration of the Outlet Gas Temperature more than the second preset temperature is recorded, at that time length reached During preset duration, control electric heating part quits work, and control stop valve is opened, and air-conditioner stops defrost and heated.

In the technical scheme, on the one hand, by the Outlet Gas Temperature for detecting outdoor heat exchanger, judge exit gas temperature Whether degree is more than the second preset temperature, and when judged result is to be, records Outlet Gas Temperature more than the second preset temperature Duration, when at that time length reaches preset duration, control electric heating part quits work, and control stop valve is opened so that in outdoor heat exchange When the Outlet Gas Temperature of device reaches preset duration more than the second preset temperature, make air-conditioner stop defrost in the suitable time and enter Row is heated, it is to avoid terminating defrost in advance makes defrost unclean, thorough, and the risk and impact for causing outdoor heat exchanger icing is heated Effect, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, is effectively guaranteed good Defrost effect and heating effect, and the comfort level that user uses is improved, the experience of user is lifted, what raising user used expires Meaning degree；On the one hand, by the Outlet Gas Temperature of detection outdoor heat exchanger, judge whether Outlet Gas Temperature is default more than first Temperature, while judge whether Outlet Gas Temperature reaches the second preset duration more than the duration of the second preset temperature, when wherein appointing One judged result for when being, control electric heating part quits work, open by control stop valve, and air-conditioner stops defrost and heated, By dual judgement, make air-conditioner accurately terminate defrost in the suitable time, it is to avoid terminate in advance defrost make defrost it is clean, Not thoroughly, cause the risk of outdoor heat exchanger icing and affect heating effect, while avoiding defrost overlong time heating effect not It is good to affect the comfortableness that uses of user, good defrost effect and heating effect are effectively guaranteed, and improve what user used Comfort level, lifts the experience of user, improves the satisfaction that user uses, wherein, the second preset temperature is default less than first Temperature.Air-conditioner is controlled in several ways and accurately terminates defrost in the suitable time, disclosure satisfy that different air-conditioners, difference The demand of operating mode, it is applied widely.

In any of the above-described technical scheme, it is preferable that according to the variable condition of the Outlet Gas Temperature of outdoor heat exchanger, control The concrete steps of the working condition of air-conditioner processed also include：When judging Outlet Gas Temperature whether sentencing more than the first preset temperature When disconnected result is no, return and the again Outlet Gas Temperature of sensing chamber's external heat exchanger.

In the technical scheme, judge that the judged result whether Outlet Gas Temperature is more than the first preset temperature is by working as When no, return and the again Outlet Gas Temperature of sensing chamber's external heat exchanger so that system can be in real time according to outdoor heat exchanger The judged result of Outlet Gas Temperature and the first preset temperature, the second preset temperature and preset duration, control air-conditioner is with difference Pattern heated, and then make air-conditioner the suitable time stop defrost being heated, it is to avoid terminate making of defrost in advance Frost is not clean, thorough, causes the risk of outdoor heat exchanger icing and affects 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 improves use The comfort level that family uses, lifts the experience of user, improves the satisfaction that user uses.

In any of the above-described technical scheme, it is preferable that according to the variable condition of Outlet Gas Temperature, control the work of air-conditioner Making the concrete steps of state also includes：It is no when judging whether Outlet Gas Temperature is more than the judged result of the second preset temperature When, return and the again Outlet Gas Temperature of sensing chamber's external heat exchanger.

In the technical scheme, judge that the judged result whether Outlet Gas Temperature is more than the second preset temperature is by working as When no, return and the again Outlet Gas Temperature of sensing chamber's external heat exchanger so that system can be in real time according to outdoor heat exchanger The judged result of Outlet Gas Temperature and the first preset temperature, the second preset temperature and preset duration, control air-conditioner is with difference Pattern heated, and then make air-conditioner the suitable time stop defrost being heated, it is to avoid terminate making of defrost in advance Frost is not clean, thorough, causes the risk of outdoor heat exchanger icing and affects 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 improves use The comfort level that family uses, lifts the experience of user, improves the satisfaction that user uses.

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 Outlet Gas Temperature, the temperature of storage heater, the run time of compressor, the running frequency of compressor.

In the technical scheme, systematic parameter is at least one of or its combination but not limited to this：Outdoor heat exchanger Outlet Gas Temperature, the temperature of storage heater, the run time of compressor, the running frequency of compressor, various tables of systematic parameter The demand of different air-conditioners and different user is disclosure satisfy that up to form, it is applied widely.

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

In the technical scheme, the first preset temperature, the second preset temperature, preset duration are at least one of but do not limit In this：The relational expression of compressor parameter, the relational expression of storage heater parameter or fixed value, the first preset temperature, the second preset temperature, Various expression ways of preset duration disclosure satisfy that the demand of different compressors, different accumulation of heat components and different user, be suitable for model Enclose extensively.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, electrical heating Part power.

In any of the above-described technical scheme, it is preferable that the 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；Preset duration is t, wherein 20s≤t≤60s.

In the technical scheme, the 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；Preset duration is t, wherein 20s≤t≤60s, the first preset temperature, the second preset temperature and default The zone of reasonableness of duration, ensure that air-conditioner accurately, reasonably exit defrost and heated, it is to avoid the first preset temperature compared with Low, the second preset temperature is relatively low, the shorter just control air-conditioner of preset duration stops defrost, and outdoor heat exchanger defrost is not unclean thorough Bottom easily freezes and heating effect is poor, it is to avoid the first preset temperature is higher, the second preset temperature is higher, the longer control of preset duration Air-conditioner stops defrost, makes air-conditioner long-time after defrost is completed terminate defrost again, makes heating effect harmful effect user's Comfort level, rational scope ensure that the good defrost effect of air-conditioner and heating effect, and improve user and use air-conditioner Comfort level, lift the experience of user, improve the satisfaction that uses of user.

In any of the above-described technical scheme, it is preferable that the first preset temperature T1 is 18 DEG C, the second preset temperature T2 is 12 DEG C, preset duration t is 40s.

In the technical scheme, by air-conditioner in a heating mode defrost when, detect outdoor heat exchanger outlet air temperature Degree, and when Outlet Gas Temperature is more than 18 DEG C, control electric heating part quits work, control stop valve is opened, and makes air-conditioner exist The suitable time stops defrost and is heated, it is to avoid terminating defrost in advance makes defrost unclean, thorough, causes outdoor heat exchanger The risk of icing simultaneously affects heating effect, while avoid that defrost overlong time heating effect harmful effect user uses is comfortable Property, good defrost effect and heating effect are effectively guaranteed, and the comfort level that user uses is improved, lift the use of user Experience, improves the satisfaction that user uses；When reaching 40s by the duration in Outlet Gas Temperature more than 12 DEG C, control electricity adds Warmware quits work, and control stop valve is opened so that reached more than the second preset temperature in the Outlet Gas Temperature of outdoor heat exchanger During to preset duration, make air-conditioner stop defrost in the suitable time and heated, it is to avoid terminating defrost in advance makes defrost not do Only, not thoroughly, cause the risk of outdoor heat exchanger icing and affect 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.

Embodiment in accordance with a further aspect of the present invention, it is also proposed that a kind of defrosting control system, for air-conditioner, air-conditioner For the air-conditioner of any of the above-described technical scheme, defrosting control system includes：Detector unit, in air-conditioner in heating mode Under, detect the systematic parameter of air-conditioner；Judging unit, for judging whether systematic parameter reaches default defrost condition；Perform list Unit, for when the judged result of judging unit is to be, control stop valve to be closed, control electric heating part work is carried out to storage heater Heating, and the variable condition of the Outlet Gas Temperature according to outdoor heat exchanger, control the working condition of stop valve and electric heating part Make air-conditioner and run with different heating modes.

The defrosting control system that the embodiment of further aspect of the present invention is provided, by detector 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 performance element 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 refrigerant that the temperature of device is higher is conducive to 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 in cooling mode defrost makes the comfort level of fluctuations in indoor temperature considerable influence user, effectively improves The comfort level that user uses, improves the satisfaction that user uses；By performance element according to the body temperature of working off one's feeling vent one's spleen of outdoor heat exchanger The variable condition of degree, controlling the working condition of stop valve and electric heating part makes air-conditioner with different heating mode operations, and then Make air-conditioner accurately terminate defrost to be heated, it is to avoid exiting defrost in advance makes defrost unclean, thorough, causes outdoor to be changed The risk that hot device freezes simultaneously affects 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 lifts making for user With experience, the satisfaction that user uses is improved.

In any of the above-described technical scheme, it is preferable that performance element also includes：First detector unit, for detecting outdoor The Outlet Gas Temperature of heat exchanger；First judging unit, for judging Outlet Gas Temperature whether more than the first preset temperature；The One control unit, for when the judged result of the first judging unit is to be, control stop valve to be opened, air-conditioner stops defrost and enters Row is heated.

In the technical scheme, the Outlet Gas Temperature of outdoor heat exchanger is detected by the first detector unit, first judges Whether unit judges Outlet Gas Temperature is more than the first preset temperature, judged result of first control unit in the first judging unit During to be, control electric heating part quits work, and control stop valve is opened so that reached in the Outlet Gas Temperature of outdoor heat exchanger During the first preset temperature, make air-conditioner stop defrost in the suitable time and heated, it is to avoid terminating defrost in advance makes defrost not Totally, not thoroughly, cause the risk of outdoor heat exchanger icing and affect heating effect, while avoiding defrost overlong time from heating effect The comfortableness that fruit harmful effect user uses, being effectively guaranteed good defrost effect and heating effect, and improve user makes Comfort level, lifts the experience of user, improves the satisfaction that user uses.

In any of the above-described technical scheme, it is preferable that performance element also includes：First detector unit, for detecting outdoor The Outlet Gas Temperature of heat exchanger；Second judging unit, for judging Outlet Gas Temperature whether more than or equal to the second default temperature Degree；Second control unit, for when the judged result of the second judging unit is to be, starting recording unit；Recording unit, is used for Record Outlet Gas Temperature is more than the duration of the second preset temperature, and when at that time length reaches preset duration, to the second control unit Send and stop defrost signal；Second control unit, is additionally operable to according to defrost signal is stopped, and control electric heating part quits work, controls Stop valve processed is opened, and air-conditioner stops defrost and heated.

In the technical scheme, on the one hand, detect the Outlet Gas Temperature of outdoor heat exchanger by the first detection, second sentences Whether disconnected unit judges Outlet Gas Temperature is more than the second preset temperature, and the second control unit is tied in the judgement of the second judging unit When being, to start recording unit, recording unit records Outlet Gas Temperature was up at that time fruit more than the duration of the second preset temperature During to preset duration, send to the second control unit and stop defrost signal, the second control unit is controlled according to defrost signal is stopped Electric heating part quits work, and control stop valve is opened so that default more than second warm in the Outlet Gas Temperature of outdoor heat exchanger When degree reaches preset duration, make air-conditioner stop defrost in the suitable time and heated, it is to avoid terminating defrost in advance makes defrost It is unclean, thorough, cause the risk of outdoor heat exchanger icing and affect 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 improves user The comfort level for using, lifts the experience of user, improves the satisfaction that user uses；On the one hand, by the first detector unit Whether the Outlet Gas Temperature of detection outdoor heat exchanger, the first judging unit judges Outlet Gas Temperature more than the first default temperature Degree, at the same the second judging unit judge Outlet Gas Temperature more than the second preset temperature duration whether reach second preset when Long, when the judged result of wherein the first judging unit or the second judging unit is to be, control electric heating part quits work, and controls Stop valve is opened, and air-conditioner stops defrost and heated, and by dual judgement, air-conditioner is accurately terminated in the suitable time Defrost, it is to avoid terminating defrost in advance makes defrost unclean, thorough, causes the risk of outdoor heat exchanger icing and impact heats effect Really, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, is effectively guaranteed good change White effect and heating effect, and the comfort level that user uses is improved, the experience of user is lifted, improve the satisfaction that user uses Degree, wherein, the second preset temperature is less than the first preset temperature.It is accurate in the suitable time that air-conditioner is controlled in several ways Terminate defrost, disclosure satisfy that different air-conditioners, the demand of different operating modes, it is applied widely.

In any of the above-described technical scheme, it is preferable that the first control unit, it is additionally operable to be tied in the judgement of the first judging unit When fruit is no, the first detector unit is back to.

In the technical scheme, by the first control unit when the judged result of the first judging unit is no, it is back to First detector unit so that system can in real time according to the temperature and the first judging unit and the second judging unit of outdoor heat exchanger Judged result, control air-conditioner heated with different patterns, and then make air-conditioner the suitable time stop defrost entering Row is heated, it is to avoid terminating defrost in advance makes defrost unclean, thorough, and the risk and impact for causing outdoor heat exchanger icing is heated Effect, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, is effectively guaranteed good Defrost effect and heating effect, and the comfort level that user uses is improved, the experience of user is lifted, what raising user used expires Meaning degree.

In any of the above-described technical scheme, it is preferable that the second control unit, it is additionally operable to be tied in the judgement of the second judging unit When fruit is no, the first detector unit is back to.

In the technical scheme, by the second control unit when the judged result of the second judging unit is no, it is back to First detector unit so that system can in real time according to the temperature and the first judging unit and the second judging unit of outdoor heat exchanger Judged result, control air-conditioner heated with different patterns, and then make air-conditioner the suitable time stop defrost entering Row is heated, it is to avoid terminating defrost in advance makes defrost unclean, thorough, and the risk and impact for causing outdoor heat exchanger icing is heated Effect, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, is effectively guaranteed good Defrost effect and heating effect, and the comfort level that user uses is improved, the experience of user is lifted, what raising user used expires Meaning degree.

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

Description of the drawings

The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment It is substantially and easy to understand, wherein：

Fig. 1 is the system schematic of air-conditioner in embodiments of the invention；

Fig. 2 a are the schematic flow sheets of defrosting control method in one embodiment of the present of invention；

Fig. 2 b are the schematic flow sheets of defrosting control method in an alternative embodiment of the invention；

Fig. 2 c are the schematic flow sheets of defrosting control method in another embodiment of the invention；

Fig. 3 a are the schematic block diagrams of defrosting control system in one embodiment of the present of invention；

Fig. 3 b are the schematic block diagrams of defrosting control system in an alternative embodiment of the invention.

Wherein, the corresponding relation between Fig. 1 references and component names is：

100 air-conditioners, 102 compressors, 104 indoor heat exchangers, 106 outdoor heat exchangers, 108 cross valves, 110 throttling dresses Put, 112 accumulation of heat components, 1122 storage heaters, 1124 electric heating parts, 114 stop valves.

Specific embodiment

It is below in conjunction with the accompanying drawings and concrete real in order to be more clearly understood that the above objects, features and advantages of the present invention Apply mode to be further described in detail the present invention.It should be noted that in the case where not conflicting, the enforcement 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 restriction.

Air-conditioner, defrosting control method and defrost control according to some embodiments of the invention is described referring to Fig. 1 to Fig. 3 b System processed.

As shown in figure 1, the present invention proposes a kind of air-conditioner 100, including：Compressor 102；Indoor heat exchanger 104；It is outdoor Heat exchanger 106；Cross valve 108, is disposed in the interior between heat exchanger 104 and outdoor heat exchanger 106, and two of cross valve 108 connect The gas outlet of mouth connection compressor 102 and one end of indoor heat exchanger 104, the another two orifice compressor of cross valve 108 102 air inlet and one end of outdoor heat exchanger 106；Throttling arrangement 110, is disposed in the interior the other end and the room of heat exchanger 104 Between the other end of external heat exchanger 106；Accumulation of heat component 112, is arranged between cross valve 108 and outdoor heat exchanger 106, accumulation of heat group Part 112 includes storage heater 1122, electric heating part 1124, and storage heater 1122 is used to accommodate heat-storing material, and electric heating part 1124 is arranged On storage heater 1122, for heating to storage heater 1122；Stop valve 114, is arranged on cross valve 108 and outdoor heat exchanger Between 106, it is connected in parallel with accumulation of heat component 112；Temperature sensor, is disposed in the outdoor on heat exchanger 106, is located outside heat exchanger 106 one end being connected with cross valve 108, for detecting the Outlet Gas Temperature of outdoor heat exchanger 106.

The air-conditioner 100 that the present invention is provided, by arranging accumulation of heat component between cross valve 108 and outdoor heat exchanger 106 112, when air-conditioner 100 reaches in a heating mode defrost condition, control stop valve 114 is closed, and electric heating part 1124 works right Storage heater 1122 is heated so that storage heater 1122 stores heat by the heat-storing material for accommodating, and electric heating part 1124 is heated Storage heater 1122 makes the sufficient heat of heat-storing material storage, and refrigerant is when by the storage heater 1122 for being electrically heated the heating of part 1124 Heat is fully absorbed, raising flows to the temperature of the refrigerant of indoor heat exchanger 104, and then ensures good heating effect, simultaneously as Migrate higher to the temperature of the refrigerant of outdoor heat exchanger 106 by indoor heat exchanger 104 so that air-conditioner 100 is in a heating mode Also defrost can be carried out, and the refrigerant of higher temperature is conducive to outdoor heat exchanger 106 to carry out defrost, it is ensured that outdoor heat exchanger 106 is fast Fast, thorough defrost, it is to avoid the commutation of cross valve 108 makes the defrost fluctuations in indoor temperature considerable influence in cooling mode of air-conditioner 100 The comfort level of user, effectively improves the comfort level that user uses, and improves the satisfaction that user uses；By being arranged on heat exchanger On temperature sensor detect the Outlet Gas Temperature of outdoor heat exchanger 106, and according to the variable condition control of Outlet Gas Temperature The working condition of stop valve processed 114 and electric heating part 1124 is made air-conditioner 100 and is run with different heating modes, and then makes air-conditioning Device 100 accurately terminates defrost and is heated, it is to avoid exiting defrost in advance makes defrost unclean, thorough, causes outdoor heat exchange The risk of the icing of device 106 simultaneously affects 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, and lifts user's Experience, improves the satisfaction that user uses.Further, the direction of arrow as shown in Figure 1 is for air-conditioner 100 when heating The migratory direction of refrigerant in system.

In one embodiment of the invention, it is preferable that heat-storing material is covert heat-storing material.

In this embodiment, heat-storing material is covert heat-storing material, can be stablized, prolonged storing heat, it is to avoid stored The temperature of hot device 1122 rises rapid and causes refrigerator oil to be carbonized, while it is frequent to avoid the temperature change of storage heater 1122 from comparatively fast needing Open electric heating part 1124 and produce rush of current, covert heat-storing material ensure that good heating effect and defrost effect, Improve the satisfaction that user uses.Further, covert heat-storing material is at least one of or its combination but not limited to this： Water, paraffin.

In one embodiment of the invention, it is preferable that throttling arrangement 110 is electric expansion valve.

In this embodiment, throttling arrangement 110 is electric expansion valve so that according to the different operational modes of air-conditioner 100 Control electric expansion valve is opened with different aperture threshold values, and then meets the different demands to coolant quantity of the system of air-conditioner 100, It is applied widely, and good heating effect and defrost effect are ensure that, and then improve the satisfaction that user uses.Enter one Step ground, air-conditioner 100 in a heating mode defrost when, electric expansion valve with maximum opening threshold value unlatching, with ensure abundance it is cold Matchmaker's amount carries out energy exchange, it is ensured that good defrost effect and heating effect, improves the satisfaction that user uses.

As shown in Figure 2 a, embodiment according to the second aspect of the invention, it is also proposed that a kind of defrosting control method, such as Fig. 2 a The defrosting control method schematic flow sheet of shown one embodiment of the present of invention includes：

Step S22, air-conditioner in a heating mode, detects the systematic parameter of air-conditioner；

Step S24, judges whether systematic parameter reaches default defrost condition；

Step S26, if the judged result of step S24 is yes, control stop valve is closed, and control electric heating part works to accumulation of heat Device is heated；

Step S28, according to the variable condition of the Outlet Gas Temperature of outdoor heat exchanger, control stop valve and electric heating part Working condition is made air-conditioner and is run with different heating modes.

The defrosting control method schematic flow sheet of an alternative embodiment of the invention as shown in Figure 2 b, step S28 is also wrapped Include：

Step S2802, detects the Outlet Gas Temperature of outdoor heat exchanger；

Whether step S2804, judge Outlet Gas Temperature more than the first preset temperature；

Step S2806, when the judged result of step 2804 is to be, control electric heating part quits work, and controls stop valve Open, air-conditioner stops defrost and heated.

The defrosting control method that the present invention is provided, by the Outlet Gas Temperature for detecting outdoor heat exchanger, judges to work off one's feeling vent one's spleen Whether temperature is more than the first preset temperature, and when judged result is to be, control electric heating part quits work, and controls stop valve Open so that when the Outlet Gas Temperature of outdoor heat exchanger reaches the first preset temperature, air-conditioner is stopped in the suitable time Only defrost is heated, it is to avoid terminating defrost in advance makes defrost unclean, thorough, causes the risk that outdoor heat exchanger freezes simultaneously Heating effect is affected, 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.

The defrosting control method schematic flow sheet of another embodiment of the invention as shown in Figure 2 c, step S28 is also wrapped Include：

Step S2802, detects the Outlet Gas Temperature of outdoor heat exchanger；

Whether step S2808, judge Outlet Gas Temperature more than the second preset temperature；

Step S2810, when the judged result of step 2808 is to be, record Outlet Gas Temperature is more than the second preset temperature Duration, at that time when reaching preset duration, control electric heating part quit work length, and control stop valve is opened, air-conditioner stoppingization Frost is heated.

The defrosting control method that the present invention is provided, on the one hand, by the Outlet Gas Temperature for detecting 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 at that time length reaches preset duration, control electric heating part quits work, 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, air-conditioner is made in the suitable time Stop defrost being heated, it is to avoid terminating defrost in advance makes defrost unclean, thorough, the risk for causing outdoor heat exchanger to freeze And heating effect is affected, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, effectively protects Good defrost effect and heating effect are 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 the Outlet Gas Temperature of detection outdoor heat exchanger, judge whether Outlet Gas Temperature is big In the first preset temperature, at the same judge Outlet Gas Temperature more than the duration of the second preset temperature whether reach second it is default when Long, when any of which judged result is to be, control electric heating part quits work, and control stop valve is opened, air-conditioner stoppingization Frost is heated, and by dual judgement, makes air-conditioner accurately terminate defrost in the suitable time, it is to avoid terminating defrost in advance makes Defrost is not clean, thorough, causes the risk of outdoor heat exchanger icing and affects heating effect, while avoiding defrost overlong time The comfortableness that heating effect harmful effect user uses, is effectively guaranteed good defrost effect and heating effect, and improves The comfort level that user uses, lifts the experience of user, improves the satisfaction that user uses, wherein, the second preset temperature is little In the first preset temperature.Air-conditioner is controlled in several ways and accurately terminates defrost in the suitable time, disclosure satisfy that difference The demand of air-conditioner, different operating modes, it is applied widely.

The defrosting control method schematic flow sheet of another embodiment of the present invention as shown in Figure 2 b, also includes：

When the judged result of step S2804 is no, return to step S2802.

Whether the defrosting control method that the present invention is provided, judge Outlet Gas Temperature more than the first preset temperature by working as When judged result is no, return and the again Outlet Gas Temperature of sensing chamber's external heat exchanger so that system can be in real time according to room The temperature of external heat exchanger and the judged result of the first preset temperature, the second preset temperature and preset duration, control air-conditioner with not Same pattern is heated, and then stopping defrost being heated in the suitable time to make air-conditioner, it is to avoid terminating defrost in advance makes Defrost is not clean, thorough, causes the risk of outdoor heat exchanger icing and affects heating effect, while avoiding defrost overlong time The comfortableness that heating effect harmful effect user uses, is effectively guaranteed good defrost effect and heating effect, and improves The comfort level that user uses, lifts the experience of user, improves the satisfaction that user uses.

The defrosting control method schematic flow sheet of another embodiment of the present invention as shown in Figure 2 c, also includes：

When the judged result of step S2808 is no, return to step S2802.

Whether the defrosting control method that the present invention is provided, judge Outlet Gas Temperature more than the second preset temperature by working as When judged result is no, return and the again Outlet Gas Temperature of sensing chamber's external heat exchanger so that system can be in real time according to room The temperature of external heat exchanger and the judged result of the first preset temperature, the second preset temperature and preset duration, control air-conditioner with not Same pattern is heated, and then stopping defrost being heated in the suitable time to make air-conditioner, it is to avoid terminating defrost in advance makes Defrost is not clean, thorough, causes the risk of outdoor heat exchanger icing and affects heating effect, while avoiding defrost overlong time The comfortableness that heating effect harmful effect user uses, is effectively guaranteed good defrost effect and heating effect, and improves The comfort level that user uses, lifts the experience of user, improves the satisfaction that user 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 device, the temperature of storage heater, the run time of compressor, the running frequency of compressor.

In this embodiment, systematic parameter is at least one of or its combination but not limited to this：Outdoor heat exchanger goes out Implication temperature, the temperature of storage heater, the run time of compressor, the running frequency of compressor, various expression of systematic parameter Form disclosure satisfy that the demand of different air-conditioners and different user, applied widely.

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

In this embodiment, the first preset temperature, the second preset temperature, preset duration are at least one of but are not limited to This：The relational expression of compressor parameter, the relational expression of storage heater parameter or fixed value, it is the first preset temperature, the second preset temperature, pre- If various expression ways of duration disclosure satisfy that the demand of different compressors, different accumulation of heat components and different user, the scope of application Extensively.Further, compressor parameter includes at least one of or its combination:Compressor operating frequency, compressor horsepower, pressure Contracting machine operating time；Storage heater parameter includes 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 temperature is T1, wherein 13 DEG C≤T1≤23 DEG C；The Two preset temperatures are T2, wherein 7 DEG C≤T2≤15 DEG C；Preset duration is t, wherein 20s≤t≤60s.

In this embodiment, the first preset temperature is T1, wherein 13 DEG C≤T1≤23 DEG C；Second preset temperature is T2, its In 7 DEG C≤T2≤15 DEG C；Preset duration is t, wherein 20s≤t≤60s, the first preset temperature, the second preset temperature and it is default when Long zone of reasonableness, ensure that air-conditioner accurately, reasonably exit defrost and heated, it is to avoid the first preset temperature is relatively low, Second preset temperature is relatively low, the shorter just control air-conditioner of preset duration stops defrost, and outdoor heat exchanger defrost is not unclean thorough Easily freeze and heating effect is poor, it is to avoid the first preset temperature is higher, the second preset temperature is higher, the longer control of preset duration is empty Adjust device to stop defrost, make air-conditioner long-time after defrost is completed terminate defrost again, make relaxing for heating effect harmful effect user Appropriateness, rational scope ensure that the good defrost effect of air-conditioner and heating effect, and improve user and use air-conditioner Comfort level, lifts the experience of user, improves the satisfaction that user uses.

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

In this embodiment, by air-conditioner in a heating mode defrost when, detect outdoor heat exchanger temperature of working off one's feeling vent one's spleen, And when Outlet Gas Temperature is more than 18 DEG C, control electric heating part quits work, control stop valve is opened, and makes air-conditioner suitable Time stop defrost and heated, it is to avoid terminating defrost in advance makes defrost clean, not thoroughly, causes outdoor heat exchanger to freeze Risk and affect heating effect, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, has Effect ground ensure that good defrost effect and heating effect, and improve the comfort level that user uses, the experience of lifting user, Improve the satisfaction that user uses；When reaching 40s by the duration in Outlet Gas Temperature more than 12 DEG C, control electric heating part stops Only work, control stop valve is opened so that reached more than the second preset temperature in the Outlet Gas Temperature of outdoor heat exchanger default During duration, make air-conditioner stop defrost in the suitable time and heated, it is to avoid terminating defrost in advance makes defrost unclean, not thorough Bottom, causes the risk of outdoor heat exchanger icing and affects heating effect, while avoiding the bad shadow of defrost 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.

As shown in Figure 3 a, embodiment in accordance with a further aspect of the present invention, it is also proposed that a kind of defrosting control system, for sky Device is adjusted, air-conditioner is the air-conditioner of any of the above-described technical scheme, and defrosting control system includes：Detector unit 32, in air-conditioning Device in a heating mode, detects the systematic parameter of air-conditioner；Judging unit 34, for judging whether systematic parameter reaches defaultization Ice-lolly part；Performance element 36, for when the judged result of judging unit 34 is to be, control stop valve to be closed, and controls electrical heating Part work is heated to storage heater, and the variable condition of the Outlet Gas Temperature according to outdoor heat exchanger, control stop valve and The working condition of electric heating part is made air-conditioner and is run with different heating modes.

The defrosting control system that the embodiment of further aspect of the present invention is provided, by detector unit 32 in air conditioner heat-production mould Under formula, the systematic parameter of air-conditioner is detected, judging unit 34 judges whether systematic parameter reaches default defrost condition, performance element 36 when the judged result of judging unit 34 is to be, control stop valve is closed, and control electric heating part work carries out adding 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 Outdoor heat exchanger is conducive to carry out defrost to the higher refrigerant of the temperature of outdoor heat exchanger, it is ensured that outdoor heat exchanger is quick, thorough Defrost, it is to avoid cross valve commutation makes air-conditioner, and in cooling mode defrost makes that fluctuations in indoor temperature considerable influence user's is comfortable Degree, effectively improves the comfort level that user uses, and improves the satisfaction that user uses；By performance element 36 according to outdoor heat exchange The working condition of the variable condition of the Outlet Gas Temperature of device, control stop valve and electric heating part is made air-conditioner and is heated with different Mode operation, and then make air-conditioner accurately terminate defrost to be heated, it is to avoid exiting defrost in advance makes defrost clean, not thorough Bottom, causes the risk of outdoor heat exchanger icing and affects heating effect, while avoiding the bad shadow of defrost 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.

Defrosting control system as shown in Figure 3 b, it is preferable that performance element 36 also includes：First detector unit 3602, uses In the Outlet Gas Temperature of detection outdoor heat exchanger；First judging unit 3604, for judging whether Outlet Gas Temperature is more than First preset temperature；First control unit 3606, for when the judged result of the first judging unit 3604 is to be, control to end Valve is opened, and air-conditioner stops defrost and heated.

The defrosting control system that the present invention is provided, by the first detector unit 3602 exit gas of outdoor heat exchanger is detected Whether temperature, the first judging unit 3604 judges Outlet Gas Temperature more than the first preset temperature, and the first control unit 3606 exists The judged result of the first judging unit 3604 for when being, control electric heating part quits work, open so that in room by control stop valve When the Outlet Gas Temperature of external heat exchanger reaches the first preset temperature, air-conditioner is set to stop defrost system in the suitable time Heat, it is to avoid terminating defrost in advance makes defrost unclean, thorough, causes the risk of outdoor heat exchanger icing and impact heats effect Really, while the comfortableness for avoiding defrost overlong time heating effect harmful effect user from using, is effectively guaranteed good change White effect and heating effect, and the comfort level that user uses is improved, the experience of user is lifted, improve the satisfaction that user uses Degree.

Defrosting control system as shown in Figure 3 b, it is preferable that performance element 36 also includes：First detector unit 3602, uses In the Outlet Gas Temperature of detection outdoor heat exchanger；Second judging unit 3608, for judging whether Outlet Gas Temperature is more than Equal to the second preset temperature；Second control unit 3610, for when the judged result of the second judging unit 3608 is to be, starting Recording unit 3612；Recording unit 3612, for recording duration of the Outlet Gas Temperature more than the second preset temperature, and works as duration When reaching preset duration, send to the second control unit 3610 and stop defrost signal；Second control unit 3610, is additionally operable to basis Stop defrost signal, control electric heating part quits work, and control stop valve is opened, and air-conditioner stops defrost and heated.

The defrosting control system that the present invention is provided, on the one hand, the exit gas of outdoor heat exchanger is detected by the first detection Whether temperature, the second judging unit 3608 judges Outlet Gas Temperature more than the second preset temperature, and the second control unit 3610 exists When being, to start recording unit 3612, recording unit 3612 records body temperature of working off one's feeling vent one's spleen to the judged result of the second judging unit 3608 Degree when at that time length reaches preset duration, sends to the second control unit 3610 and stops defrost more than the duration of the second preset temperature Signal, the second control unit 3610 quits work according to defrost signal, control electric heating part is stopped, and control stop valve is opened, and is made When the Outlet Gas Temperature of outdoor heat exchanger reaches preset duration more than the second preset temperature, make air-conditioner when suitable Between stop defrost and heated, it is to avoid terminating defrost in advance makes defrost clean, not thoroughly, the wind for causing outdoor heat exchanger to freeze Danger simultaneously affects heating effect, while the comfortableness that defrost overlong time heating effect harmful effect user uses is avoided, effectively Good defrost effect and heating effect are 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, by the Outlet Gas Temperature of the detection outdoor heat exchanger of the first detector unit 3602, first Whether judging unit 3604 judges Outlet Gas Temperature more than the first preset temperature, while the second judging unit 3608 judges outlet Whether gas temperature reaches the second preset duration more than the duration of the second preset temperature, when wherein the first judging unit 3604 or the The judged result of two judging units 3608 for when being, control electric heating part quits work, open, and air-conditioner stops by control stop valve Defrost is heated, and by dual judgement, makes air-conditioner accurately terminate defrost in the suitable time, it is to avoid to terminate defrost in advance Make defrost unclean, thorough, cause the risk of outdoor heat exchanger icing and affect heating effect, while avoiding defrost time mistake The comfortableness that long heating effect harmful effect user uses, is effectively guaranteed good defrost effect and heating effect, and carries The comfort level that high user uses, lifts the experience of user, improves the satisfaction that user uses, wherein, the second preset temperature Less than the first preset temperature.Air-conditioner is controlled in several ways and accurately terminates defrost in the suitable time, disclosure satisfy that not The demand of same air-conditioner, different operating modes, it is applied widely.

Defrosting control system as shown in Figure 3 b, it is preferable that the first control unit 3606, is additionally operable in the first judging unit When 3604 judged result is no, the first detector unit 3602 is back to.

The present invention provide defrosting control system, by the first control unit 3606 the first judging unit 3604 judgement When being as a result no, the first detector unit 3602 is back to so that system can in real time according to the temperature and first of outdoor heat exchanger The judged result of the judging unit 3608 of judging unit 3604 and second, control air-conditioner is heated with different patterns, and then Make air-conditioner stop defrost in the suitable time to be heated, it is to avoid terminating defrost in advance makes defrost unclean, thorough, causes The risk of outdoor heat exchanger icing simultaneously affects heating effect, while avoiding defrost overlong time heating effect harmful effect user from making Comfortableness, is effectively guaranteed good defrost effect and heating effect, and improves the comfort level that user uses, and is lifted and is used The experience at family, improves the satisfaction that user uses.

Defrosting control system as shown in Figure 3 b, it is preferable that the second control unit 3610, is additionally operable in the second judging unit When 3608 judged result is no, the first detector unit 3602 is back to.

The present invention provide defrosting control system, by the second control unit 3610 the second judging unit 3608 judgement When being as a result no, the first detector unit 3602 is back to so that system can in real time according to the temperature and first of outdoor heat exchanger The judged result of the judging unit 3608 of judging unit 3604 and second, control air-conditioner is heated with different patterns, and then Make air-conditioner stop defrost in the suitable time to be heated, it is to avoid terminating defrost in advance makes defrost unclean, thorough, causes The risk of outdoor heat exchanger icing simultaneously affects heating effect, while avoiding defrost overlong time heating effect harmful effect user from making Comfortableness, is effectively guaranteed good defrost effect and heating effect, and improves the comfort level that user uses, and is lifted and is used The experience at family, improves the satisfaction that user uses.

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 and the second control unit can be by one or more microprocessors Device is controlled.

In a particular embodiment, air-conditioner is heat pump type air conditioner, and in a heating mode, indoor heat exchanger is condenser, Outdoor heat exchanger is evaporimeter, and refrigerant is changed into the gas of HTHP by compressor compresses, is entered by cross valve and is condensed Device, becomes the liquid of middle temperature high pressure after condenser inhales cold heat release, and the liquid of low-temp low-pressure, Jing Guozheng are become after warp knuckle stream device Send out device heat absorption to let cool after effect, become the gas of low-temp low-pressure, through cross valve compressor is returned to, then proceed to circulation.In system Under chill formula, indoor heat exchanger is evaporimeter, and outdoor heat exchanger is condenser, and it is high that refrigerant is changed into high temperature by compressor compresses The gas of pressure, into outdoor condenser, becomes the liquid of middle temperature high pressure after condenser inhales cold heat release, after warp knuckle stream device, becomes Into the liquid of low-temp low-pressure, after evaporimeter heat absorption lets cool effect, become the gas of low-temp low-pressure, through cross valve pressure is returned to Contracting machine, then proceedes to circulation.

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, and 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 describe 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, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term Example.And, the specific features of description, structure, material or feature can in any one or more embodiments or example with Suitable mode is combined.

The preferred embodiments of the present invention are these are only, the present invention is not limited to, 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 air-conditioner, it is characterised in that include：

Compressor；

Indoor heat exchanger；

Outdoor heat exchanger；

Cross valve, is arranged between the indoor heat exchanger and the outdoor heat exchanger, two orifices of the cross valve The gas outlet of the compressor and one end of the indoor heat exchanger, compressor described in the another two orifice of the cross valve Air inlet and the outdoor heat exchanger one end；

Throttling arrangement, is arranged between the other end of the other end of the indoor heat exchanger and the outdoor heat exchanger；

Accumulation of heat component, is arranged between the cross valve and the outdoor heat exchanger, and the accumulation of heat component includes that storage heater, electricity add Warmware, the storage heater is used to accommodate heat-storing material, and the electric heating part is arranged on the storage heater, for the accumulation of heat Device is heated；

Stop valve, is arranged between the cross valve and the outdoor heat exchanger, is connected with the accumulation of heat modules in parallel；

Temperature sensor, is arranged on the outdoor heat exchanger, is connected with the cross valve positioned at the outdoor heat exchanger One end, for detecting the Outlet Gas Temperature of the outdoor heat exchanger.

2. air-conditioner according to claim 1, it is characterised in that

The heat-storing material is covert heat-storing material.

3. air-conditioner according to claim 1, it is characterised in that

The throttling arrangement is electric expansion valve.

4. a kind of defrosting control method, for air-conditioner, the air-conditioner is the air-conditioning any one of claims 1 to 3 Device, it is characterised in that 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, control the stop valve to close, control the electric heating part work and the storage heater is heated, and according to institute The variable condition of the Outlet Gas Temperature of outdoor heat exchanger is stated, the work shape of the stop valve and the electric heating part is controlled State is made the air-conditioner and is run with different heating modes.

5. defrosting control method according to claim 4, it is characterised in that described according to the outdoor heat exchanger The variable condition of Outlet Gas Temperature, controlling the concrete steps of the working condition of the air-conditioner includes：

Detect the Outlet Gas Temperature of the outdoor heat exchanger；

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

If so, control the electric heating part to quit work, control the stop valve and open, the air-conditioner stops defrost system Heat.

6. the defrosting control method according to claim 4 or 5, it is characterised in that described according to the outdoor heat exchanger The variable condition of the Outlet Gas Temperature, controlling the concrete steps of the working condition of the air-conditioner includes：

Detect the Outlet Gas Temperature of the outdoor heat exchanger；

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

If so, duration of the Outlet Gas Temperature more than second preset temperature is recorded, when the duration reaches default When long, control the electric heating part and quit work, control the stop valve and open, the air-conditioner stops defrost and heated.

7. defrosting control method according to claim 5, it is characterised in that described according to the outdoor heat exchanger The variable condition of Outlet Gas Temperature, controlling the concrete steps of the working condition of the air-conditioner also includes：

When it is described judge the Outlet Gas Temperature whether more than the first preset temperature judged result for no when, return and again Detect the Outlet Gas Temperature of the outdoor heat exchanger.

8. defrosting control method according to claim 6, it is characterised in that the change according to the Outlet Gas Temperature Change state, controlling the concrete steps of the working condition of the air-conditioner also includes：

When it is described judge the Outlet Gas Temperature whether more than the second preset temperature judged result for no when, return and again Detect the Outlet Gas Temperature of the outdoor heat exchanger.

9. defrosting control method according to claim 4, it is characterised in that the systematic parameter be at least one of or Its combination：

The Outlet Gas Temperature of the outdoor heat exchanger, the temperature of the storage heater, the run time of the compressor, institute State the running frequency of compressor.

10. the defrosting control method according to any one of claim 5 to 8, it is characterised in that

First preset temperature, second preset temperature, the preset duration are at least one of：The compressor ginseng Several relational expression, the relational expression of the storage heater parameter or fixed value.

11. defrosting control methods according to claim 10, it is characterised in that

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；

The preset duration is t, wherein 20s≤t≤60s.

12. defrosting control methods according to claim 11, it is characterised in that

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

A kind of 13. defrosting control systems, for air-conditioner, the air-conditioner is the air-conditioning any one of claims 1 to 3 Device, it is characterised in that the defrosting control system includes：

Detector 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；

Performance element, for when the judged result of the judging unit is to be, controlling the stop valve and closing, controls the electricity Heating member work is heated to the storage heater, and the change shape of the Outlet Gas Temperature according to the outdoor heat exchanger State, controlling the working condition of the stop valve and the electric heating part makes the air-conditioner with different heating mode operations.

14. defrosting control systems according to claim 13, it is characterised in that the performance element also includes：

First detector unit, for detecting the Outlet Gas Temperature of the outdoor heat exchanger；

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

First control unit, for when the judged result of first judging unit is to be, controlling the stop valve and opening, institute State air-conditioner stopping defrost being heated.

15. defrosting control systems according to claim 13 or 14, it is characterised in that the performance element also includes：

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

Second control unit, for when the judged result of second judging unit is to be, starting recording unit；

The recording unit, for recording duration of the Outlet Gas Temperature more than second preset temperature, and when described When duration reaches preset duration, send to second control unit and stop defrost signal；

Second control unit, is additionally operable to, according to the stopping defrost signal, control the electric heating part and quit work, and controls The stop valve is opened, and the air-conditioner stops defrost and heated.

16. defrosting control systems according to claim 14, it is characterised in that

First control unit, is additionally operable to, when the judged result of first judging unit is no, be back to described first Detector unit.

17. defrosting control systems according to claim 15, it is characterised in that

Second control unit, is additionally operable to, when the judged result of second judging unit is no, be back to described first Detector unit.

18. defrosting control systems according to claim 13, it is characterised in that the systematic parameter is at least one of Or its combination：

19. defrosting control systems according to any one of claim 14 to 17, it is characterised in that

20. defrosting control systems according to claim 19, it is characterised in that

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；

The preset duration is t, wherein 20s≤t≤60s.

21. defrosting control systems according to claim 20, it is characterised in that