CN109708253A - The control method and air-conditioning system of air-conditioning system - Google Patents

The control method and air-conditioning system of air-conditioning system Download PDF

Info

Publication number
CN109708253A
CN109708253A CN201811646275.7A CN201811646275A CN109708253A CN 109708253 A CN109708253 A CN 109708253A CN 201811646275 A CN201811646275 A CN 201811646275A CN 109708253 A CN109708253 A CN 109708253A
Authority
CN
China
Prior art keywords
air
conditioning system
mode
refrigeration
need
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811646275.7A
Other languages
Chinese (zh)
Inventor
李骏
杨国忠
王命仁
谭志军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea HVAC Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201811646275.7A priority Critical patent/CN109708253A/en
Publication of CN109708253A publication Critical patent/CN109708253A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a kind of control method of air-conditioning system and air-conditioning systems.The mixed mode of air-conditioning system includes main refrigeration mode and main heating mode.Control method includes: acquisition outdoor temperature and judges whether outdoor temperature meets mixed-mode operations condition;If outdoor temperature meets mixed-mode operations condition, when outdoor temperature is greater than preset temperature threshold, control air-conditioning system is run with main refrigeration mode;When outdoor temperature is not more than preset temperature threshold, control air-conditioning system is run with main heating mode.The control method of the air-conditioning system of embodiment of the present invention, the judgement of outdoor temperature is used to control air conditioner system with main heating mode or main heating mode and run, frequent the toggling between pure refrigeration mode or pure heating mode and mixed mode of avoidable air-conditioning system, the energy consumption for reducing air-conditioning system meets the demand of user.

Description

The control method and air-conditioning system of air-conditioning system
Technical field
The present invention relates to air-conditioning technical field, in particular to the control method and air-conditioning system of a kind of air-conditioning system.
Background technique
Air-conditioning system is equipped with multiple operational modes, such as pure heating mode, pure refrigeration mould and mixed mode, and mixed mode It again include main heating mode and main refrigeration mode.For mixed mode, air-conditioning system can have part interior mechanism cold, part room Interior mechanism heat, can meet different user simultaneously needs workload demand that is cold, needing heat.In the related art, air-conditioning system is starting When determine in operational mode and operational process carry out operational mode switching when, only consider heating can need and freeze can need to variation. However, this, which will lead to air-conditioning system, is continually switched to mixed mode from pure heating mode or pure refrigeration mode, and from hybrid guided mode Formula is switched to pure heating mode or pure refrigeration mode.The energy consumption of air-conditioning system is increased in this way, is not able to satisfy user for air-conditioning The demand of system low energy consumption.
Summary of the invention
Embodiments of the present invention provide the control method and air-conditioning system of a kind of air-conditioning system.
The control method of embodiment of the present invention is applied to air-conditioning system, and the mixed mode of the air-conditioning system includes main system Cold mode and main heating mode, the control method include:
Acquisition outdoor temperature simultaneously judges whether the outdoor temperature meets mixed-mode operations condition;
If the outdoor temperature meets mixed-mode operations condition, when the outdoor temperature is greater than preset temperature threshold, The air-conditioning system is controlled to run with the main refrigeration mode;
When the outdoor temperature is not more than the preset temperature threshold, the air-conditioning system is controlled with the main heating mould Formula operation.
The control method of the air-conditioning system of embodiment of the present invention controls air conditioner system using the judgement of outdoor temperature Run with main heating mode or main heating mode, can avoid air-conditioning system frequently pure refrigeration mode or pure heating mode with mix Toggling between mode reduces the energy consumption of air-conditioning system, meets the demand of user.
In some embodiments, the control method includes:
When the air-conditioning system is run with the main refrigeration mode or the main heating mode, according to the air-conditioning system Refrigeration can need and heat the demand relation that can be needed and control the mode of the air-conditioning system.
In some embodiments, when the air-conditioning system is run with the main refrigeration mode, according to the air-conditioning system The refrigeration of system can need and heat the mode that the demand relation that can be needed controls the air-conditioning system, comprising:
When in the first preset duration, when no refrigeration can need and have the heating that can take, the air-conditioning is controlled System is switched to the main heating mode;
When the refrigeration can need to subtract difference that the heating can need not less than the first preset value and have the refrigeration that can need When, it controls the air-conditioning system and keeps the main refrigeration mode;
When the refrigeration, which can need to subtract the difference that the heating can need, is less than first preset value, the air-conditioning is controlled System switches the main heating mode.
In some embodiments, when the air-conditioning system is run with the main heating mode, according to the air-conditioning system The refrigeration of system can need and heat the mode that the demand relation that can be needed controls the air-conditioning system, comprising:
When in the second preset duration, when no heating can need and have the refrigeration that can take, the air-conditioning is controlled System is switched to the main refrigeration mode;
When the refrigeration can need to subtract difference that the heating can need no more than the second preset value and have the heating that can need When, it controls the air-conditioning system and keeps the main heating mode;
When the refrigeration, which can need to subtract the difference that the heating can need, is greater than second preset value, the air-conditioning is controlled System switches the main refrigeration mode.
In some embodiments, when the air-conditioning system is run with the main refrigeration mode, according to the air-conditioning system The refrigeration of system can need and heat the mode that the demand relation that can be needed controls the air-conditioning system, comprising:
After first preset duration or second preset duration, it can be needed when the heating can need to subtract the refrigeration Difference be not less than first threshold when, control the air-conditioning system and be switched to the main heating mode;
When no refrigeration can need and have the heating that can take, controls the air-conditioning system and be switched to the main heating Mode.
In some embodiments, when the air-conditioning system is run with the main heating mode, according to the air-conditioning system The refrigeration of system can need and heat the mode that the demand relation that can be needed controls the air-conditioning system, comprising:
After first preset duration or second preset duration, it can be needed when the refrigeration can need to subtract the heating Difference be not less than second threshold when, control the air-conditioning system and be switched to the main refrigeration mode;
When no heating can need and have the refrigeration that can take, controls the air-conditioning system and be switched to the main refrigeration Mode.
The air-conditioning system of embodiment of the present invention includes controller, and the mixed mode of the air-conditioning system includes main refrigeration mould Formula and main heating mode, the controller is for acquiring outdoor temperature and judging whether the outdoor temperature meets mixed mode fortune Row condition, and the outdoor temperature meets mixed-mode operations condition and the outdoor temperature is greater than preset temperature threshold for working as When, it controls the air-conditioning system and is run with the main refrigeration mode, and for meeting mixed mode fortune when the outdoor temperature When row condition and the outdoor temperature are not more than the preset temperature threshold, the air-conditioning system is controlled with the main heating mode Operation.
The air-conditioning system of embodiment of the present invention uses the judgement of outdoor temperature to control air conditioner system with main heating mould Formula or the operation of main heating mode, avoidable air-conditioning system is frequently between pure refrigeration mode or pure heating mode and mixed mode It toggles, reduces the energy consumption of air-conditioning system, meet the demand of user.
In some embodiments, in the air-conditioning system with the main refrigeration mode or the main heating mode operation When, the controller is used to need and heat according to the refrigeration of the air-conditioning system demand relation that can be needed and controls the air-conditioning system The mode of system.
In some embodiments, when the air-conditioning system is run with the main refrigeration mode, in the first preset duration Interior, the controller is used to need when no refrigeration and have the heating that can take, and controls the air-conditioning system and is switched to The main heating mode, and for when the refrigeration can need to subtract difference that the heating can need not less than the first preset value and have The refrigeration can take, and control the air-conditioning system and keep the main refrigeration mode, and for that can need to subtract when the refrigeration When the difference that the heating can need is less than first preset value, controls the air-conditioning system and switch the main heating mode.
In some embodiments, when the air-conditioning system is run with the main heating mode, in the second preset duration Interior, the controller is used to need when no heating and have the refrigeration that can take, and controls the air-conditioning system and is switched to The main refrigeration mode, and for when the refrigeration can need to subtract difference that the heating can need no more than the second preset value and have The heating can take, and control the air-conditioning system and keep the main heating mode, and for that can need to subtract when the refrigeration When the difference that the heating can need is greater than second preset value, controls the air-conditioning system and switch the main refrigeration mode.
In some embodiments, default described first when the air-conditioning system is run with the main refrigeration mode After duration or second preset duration, the controller is used to that difference that the refrigeration can need can need to be subtracted not when the heating When less than first threshold, controls the air-conditioning system and be switched to the main heating mode, and for that can be needed when no refrigeration And have the heating that can take, control the air-conditioning system and be switched to the main heating mode.
In some embodiments, default described first when the air-conditioning system is run with the main heating mode After duration or second preset duration, the controller is used to that difference that the heating can need can need to be subtracted not when the refrigeration When less than second threshold, controls the air-conditioning system and be switched to the main refrigeration mode, and for that can be needed when no heating And have the refrigeration that can take, control the air-conditioning system and be switched to the main refrigeration mode.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention is from combining in description of the following accompanying drawings to embodiment by change It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the flow diagram of the control method of the air-conditioning system of embodiment of the present invention;
Fig. 2 is the module diagram of the air-conditioning system of embodiment of the present invention;
Fig. 3 is another flow diagram of the control method of the air-conditioning system of embodiment of the present invention;
Fig. 4 is the schematic diagram of the mixed mode switching of the air-conditioning system of embodiment of the present invention;
Fig. 5 is another schematic diagram of the mixed mode switching of the air-conditioning system of embodiment of the present invention;
Fig. 6 is the another schematic diagram of the mixed mode switching of the air-conditioning system of embodiment of the present invention;
Fig. 7 is another schematic diagram of the mixed mode switching of the air-conditioning system of embodiment of the present invention.
Main element symbol description:
Air-conditioning system 100, outdoor unit 10, indoor unit 20, controller 30.
Specific embodiment
Embodiments of the present invention are described below in detail, the embodiment of the embodiment is shown in the accompanying drawings, wherein Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below It crosses the embodiment being described with reference to the drawings to be exemplary, for explaining only the invention, and should not be understood as to limit of the invention System.
In the description of embodiments of the present invention, term " first ", " second " are used for description purposes only, and cannot understand For indication or suggestion relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include one or more feature.In embodiments of the present invention In description, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of embodiments of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body;It can be mechanical connection, be also possible to be electrically connected or can mutually communicate;It can be directly connected, can also lead to It crosses intermediary to be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For ability For the those of ordinary skill in domain, can understand as the case may be above-mentioned term in embodiments of the present invention specifically contain Justice.
Fig. 1 and Fig. 2 are please referred to, the control method of embodiment of the present invention is applied to air-conditioning system 100.Air-conditioning system 100 Including outdoor unit 10 and indoor unit 20.Outdoor unit 10 connects indoor unit 20.Refrigerant recycles between outdoor unit 10 and indoor unit 20. In the present invention, air-conditioning system 100 is multi-online air-conditioning system 100, such as Three-pipe heat recovery multi-connected machine air-conditioning system 100.It is more Online air-conditioning system 100 includes at least one outdoor unit 10 and two or more indoor units 20.Air-conditioning system shown in Fig. 2 100, it is merely meant that the main modular or component of air-conditioning system 100, do not make specifically the quantity of indoor unit 20 and outdoor unit 10 Limitation.
It is appreciated that air-conditioning system 100 includes pure refrigeration mode, pure heating mode and mixed mode.Air-conditioning system 100 Mixed mode includes main refrigeration mode and main heating mode.When air-conditioning system 100 is with the operation of pure refrigeration mode, indoor unit 20 is equal Freeze.When air-conditioning system 100 is with the operation of pure heating mode, indoor unit 20 is heated.When air-conditioning system 100 is with mixed When syntype is run, part indoor unit 20 freezes, and part indoor unit 20 heats.
Referring to Fig. 1, the control method of air-conditioning system 100 includes:
Step S12: acquisition outdoor temperature T simultaneously judges whether outdoor temperature T meets mixed-mode operations condition;
Step S14: if outdoor temperature T meets mixed-mode operations condition, it is greater than preset temperature threshold G in outdoor temperature T When (T > G), air-conditioning system 100 is controlled with the operation of main refrigeration mode;
Step S16: when outdoor temperature T is not more than preset temperature threshold G (T≤G), air-conditioning system 100 is controlled with main system Heat pattern operation.
The control method of the air-conditioning system 100 of embodiment of the present invention, controls air conditioner using the judgement of outdoor temperature T System 100 is run with main heating mode or main heating mode, can avoid air-conditioning system 100 frequently in pure refrigeration mode or pure heating Toggling between mode and mixed mode reduces the energy consumption of air-conditioning system 100, meets the demand of user.
It is appreciated that in the prior art, air-conditioning system when determining starting operational mode and carrying out operational mode switching, Only consider that heating can need and freeze the variation that can be needed.For example, having refrigeration that can need after air-conditioning system starting and can needed without heating When, air-conditioning system can be directly entered pure refrigeration mode.If in the operational process of air-conditioning system, if suddenly have heating can need and Still there is refrigeration that can need at this time, air-conditioning system can be switched to mixed mode from pure refrigeration mode.For another example, after air-conditioning system starting, Existing refrigeration need to can have again heating that can take, and air-conditioning system can be directly entered mixed mode.In the operational process of air-conditioning system, If refrigeration can need to become zero and still have heating that can need at this time, air-conditioning system can be switched to pure heating mode from mixed mode.Energy Need to change fastly will lead to air-conditioning system and frequently toggles between pure refrigeration mode or pure heating mode and mixed mode.Air-conditioning System toggling between pure refrigeration mode or pure heating mode and mixed mode needs the compressor of outdoor unit standby so Restart again afterwards, increases the energy consumption of air-conditioning system.
In embodiment of the present invention, in 100 starting up of air-conditioning system, acquires outdoor temperature T and judge outdoor temperature T Whether mixed-mode operations condition is met.If outdoor temperature T meets mixed-mode operations condition, further according to outdoor temperature T It is run with the size relation control air-conditioning system 100 of preset temperature threshold G with main refrigeration mode or main heating mode is run.If room When outer temperature T is unsatisfactory for mixed-mode operations condition, controls air-conditioning system 100 and run with pure refrigeration mode or pure heating mode. Since outdoor temperature T will not be changed greatly within a short period of time, mixed-mode operations condition is reasonably set, it can be to avoid air-conditioning Frequent the toggling between pure refrigeration mode or pure heating mode and mixed mode of system 100, reduces air-conditioning system 100 Energy consumption.
Mixed-mode operations condition is the temperature range of mixed-mode operations comprising the first temperature threshold T1, the second temperature Threshold value T2 and T1 is spent to the temperature range (T1, T2) between T2.When outdoor temperature T is less than the first temperature threshold T1, outdoor temp Degree T is unsatisfactory for mixed-mode operations condition, then controls air-conditioning system 100 with the operation of pure heating mode, when outdoor temperature T is greater than the When two temperature threshold T2, outdoor temperature T is unsatisfactory for mixed-mode operations condition, then controls air-conditioning system 100 with pure refrigeration mode Operation.It is appreciated that mixed-mode operations condition can be configured according to the climate type of given area.In an example In, the first temperature threshold T1 be -13 DEG C, -17 DEG C or -13 DEG C to -17 DEG C between temperature, second temperature threshold value T2 be 25 DEG C, Temperature between 29 DEG C or 25 DEG C to 29 DEG C.Preferably, the first temperature threshold T1 is -15 DEG C, second temperature threshold value T2 is 27 DEG C. Preset temperature threshold G is the temperature between 8 DEG C, 12 DEG C or 8 DEG C to 12 DEG C, preferably, preset temperature threshold G is 10 DEG C.
It should be noted that outdoor temperature T can be acquired by the outdoor temperature sensor of setting.In the present invention In, i.e., it can need to be taken without heating again without refrigeration, the indoor unit 20 and outdoor unit 10 of air-conditioning system 100 are in standby shape State.The refrigeration of each indoor unit 20 can need=indoor unit 20 several * (set temperatures of room temperature-indoor unit 20).Each The heating of indoor unit 20 can need=indoor unit 20 several * (set temperature-room temperatures of indoor unit 20).
Referring to Fig. 3, in some embodiments, control method includes:
Step S18: when air-conditioning system 100 is run with main refrigeration mode or main heating mode, according to air-conditioning system 100 Refrigeration can need and heat the mode for the demand relation control air-conditioning system 100 that can be needed.
It is appreciated that refrigeration, which can be needed and be heated, need to can change in the operational process of air-conditioning system 100.Therefore, it is necessary to The demand relation that further can need and heat according to refrigeration can need keeps main refrigeration mode, holding to lead to control air-conditioning system 100 Heating mode, from main refrigeration mode switching be main heating mode or from main heating mode switching be main refrigeration mode.
Referring to Fig. 4, in some embodiments, when air-conditioning system 100 is with the operation of main refrigeration mode, step S18 packet It includes:
In the first preset duration, when there is no refrigeration that can need and have heating can need (refrigeration can need=0 and heat can need to ≠ 0) When, the control switching of air-conditioning system 100 is main heating mode;
When refrigeration can need to subtract heating can need difference not less than the first preset value H1 and have refrigeration can need (freeze can need to- Heating can need >=H1 and refrigeration can need ≠ 0) when, control air-conditioning system 100 keep main refrigeration mode;
When refrigeration can need to subtract difference that heating can need less than the first preset value H1 (freeze can need-heating can need < H1) When, control air-conditioning system 100 switches main heating mode.
It is appreciated that refrigeration can need to refer to the sum of capable of needing for machine 20 in all cool rooms, heating energy need to refer to all heatings Indoor unit 20 can need the sum of.When air-conditioning system 100 is with the operation of main refrigeration mode, in the first preset duration, when not making Cold energy needs and has heating that can take, and the control switching of air-conditioning system 100 is main heating mode, can be to avoid air-conditioning system 100 because not having There is refrigeration that can need and keep outdoor unit 10 standby;When refrigeration can need to subtract the difference that heats and can need not less than the first preset value H1 and have Refrigeration can take, and heating can need to can need difference smaller with refrigeration, control air-conditioning system 100 at this time and keep main refrigeration mode;Work as system When cold energy need to subtract the difference that heats and can need less than the first preset value H1, heating can need to can need difference larger with refrigeration, this time control Air-conditioning system 100 processed switches main heating mode.
In this way, can need and heat the demand relation control air-conditioning system 100 that can be needed according to refrigeration with main refrigeration mode or master Heating mode operation, to meet the refrigeration demand or heating needs of user.In the present embodiment, the first preset duration refers to The a period of time of the compressor of outdoor unit 10 from starting.In one example, the first preset duration is after compressor start 8 minutes, 12 minutes or 8 to 12 minutes between time, preferably, the first preset duration be compressor start after 10 points Clock.First preset value H1 is the numerical value between -8, -12 or -8 to -12, preferably, the first preset value H1 is -10.
Referring to Fig. 5, in some embodiments, when air-conditioning system 100 is with the operation of main heating mode, step S18 packet It includes:
In the second preset duration, when there is no heating that can need and have refrigeration can need (heating can need=0 and freeze can need to ≠ 0) When, the control switching of air-conditioning system 100 is main refrigeration mode;
When refrigeration can need to subtract heating can need difference no more than the second preset value H2 and have heating can need (freeze can need to- Heating can need≤H2 and heating can need ≠ 0) when, control air-conditioning system 100 keep main heating mode;
When the difference that refrigeration can need to subtract heating and can need is greater than the second preset value H2 (freeze can need-heating can need > H2) When, control air-conditioning system 100 switches main refrigeration mode.
It is appreciated that refrigeration can need to refer to the sum of capable of needing for machine 20 in all cool rooms, heating energy need to refer to all heatings Indoor unit 20 can need the sum of.When air-conditioning system 100 is with the operation of main heating mode, in the second preset duration, when not making Thermal energy needs and has refrigeration that can take, and the control switching of air-conditioning system 100 is main refrigeration mode, can be to avoid air-conditioning system 100 because not having There is heating that can need and keep outdoor unit 10 standby;When refrigeration can need to subtract the difference that heats and can need no more than the second preset value H2 and have Heating can take, and refrigeration can need to can need difference smaller with heating, control air-conditioning system 100 at this time and keep main heating mode;Work as system When cold energy need to subtract the difference that heats and can need greater than the second preset value H2, refrigeration can need to can need difference larger with heating, this time control Air-conditioning system 100 processed switches main refrigeration mode.
In this way, can need and heat the demand relation control air-conditioning system 100 that can be needed according to refrigeration with main refrigeration mode or master Heating mode operation, to meet the refrigeration demand or heating needs of user.In the present embodiment, the second preset duration refers to The a period of time of the compressor of outdoor unit 10 from starting.In one example, the second preset duration is after compressor start 8 minutes, 12 minutes or 8 to 12 minutes between time, preferably, the second preset duration be compressor start after 10 points Clock.Second preset value H2 is the numerical value between 8,12 or 8 to 12, preferably, the second preset value H2 is 10.
It should be noted that in example of the invention, the first preset value H1 and the second preset value H2 opposite number each other.It can To understand, the first preset value H1 and the second preset value H2 can flexible configuration according to actual needs, the first preset value H1 and second The absolute value of preset value H2 can be identical or not identical.In example of the invention, the first preset duration and the second preset duration It is identical.It is appreciated that the first preset duration and the second preset duration can flexible configuration according to actual needs, the first preset duration It can be identical or not identical with the second preset duration.
Referring to Fig. 6, in some embodiments, when air-conditioning system 100 is with the operation of main refrigeration mode, step S18 packet It includes:
After the first preset duration or the second preset duration, when heating can need to subtract the difference freezed and can needed not less than first When threshold k 1 (heating can need-refrigeration can need >=K1), control air-conditioning system 100 switches as main heating mode;
When there is no refrigeration that can need and having heating that can need (refrigeration can need=0 and heating can need ≠ 0), air-conditioning system is controlled 100 switchings are main heating mode.
It is appreciated that refrigeration can need to refer to the sum of capable of needing for machine 20 in all cool rooms, heating energy need to refer to all heatings Indoor unit 20 can need the sum of.When air-conditioning system 100 is with the operation of main refrigeration mode, when the first preset duration or second are default After length, if refrigeration can need and heat the demand relation that can be needed and meet condition A1 (heat can need-refrigeration can need >=K1) or condition B1 (refrigeration can need=0 and heating can need ≠ 0), the control switching of air-conditioning system 100 is main heating mode.If refrigeration can need and heat energy The demand relation needed had both been unsatisfactory for condition A1 or had been unsatisfactory for condition B1, then controlled air-conditioning system 100 and keep main refrigeration mode.
In this way, can need and heat the demand relation control air-conditioning system 100 that can be needed according to refrigeration with main refrigeration mode or master Heating mode operation, to meet the refrigeration demand or heating needs of user.In present embodiment, the first preset duration or second is in advance If duration, a period of time of the compressor of outdoor unit 10 from starting is referred to.In one example, the first preset duration and Second preset duration is 10 minutes.After the first preset duration or the second preset duration, i.e., compressor start after ten minutes. In one example, first threshold K1 is the numerical value between 8,12 or 8 to 12, preferably, first threshold K1 is 10.
Referring to Fig. 7, in some embodiments, when air-conditioning system 100 is with the operation of main heating mode, step S18 packet It includes:
After the first preset duration or the second preset duration, when refrigeration can need to subtract the difference that heats and can need not less than second When threshold k 2 (refrigeration can need-heating can need >=K2), control air-conditioning system 100 switches as main refrigeration mode;
When there is no heating that can need and having refrigeration that can need (heating can need=0 and refrigeration can need ≠ 0), air-conditioning system is controlled 100 switchings are main refrigeration mode.
It is appreciated that refrigeration can need to refer to the sum of capable of needing for machine 20 in all cool rooms, heating energy need to refer to all heatings Indoor unit 20 can need the sum of.When air-conditioning system 100 is with the operation of main refrigeration mode, when the first preset duration or second are default After length, if refrigeration can need and heat the demand relation that can be needed and meet condition A2 (freeze can need-heating can need >=K2) or condition B2 (heating can need=0 and refrigeration can need ≠ 0), the control switching of air-conditioning system 100 is main refrigeration mode.If refrigeration can need and heat energy The demand relation needed had both been unsatisfactory for condition A2 or had been unsatisfactory for condition B2, then controlled air-conditioning system 100 and keep main heating mode.
In this way, can need and heat the demand relation control air-conditioning system 100 that can be needed according to refrigeration with main refrigeration mode or master Heating mode operation, to meet the refrigeration demand or heating needs of user.In present embodiment, the first preset duration or second is in advance If duration, a period of time of the compressor of outdoor unit 10 from starting is referred to.In one example, the first preset duration and Second preset duration is 10 minutes.After the first preset duration or the second preset duration, i.e., compressor start after ten minutes. In one example, second threshold K2 is the numerical value between 8,12 or 8 to 12, preferably, second threshold K2 is 10.
It should be noted that first threshold K1 is identical with second threshold K2 in example of the invention.It is appreciated that the One threshold k 1 and second threshold K2 can flexible configuration according to actual needs, first threshold K1 and second threshold K2 can it is identical or It is not identical.
In the present invention, air-conditioning system 100 between main refrigeration mode and main heating mode when toggling, compressor Restart without standby.According to the refrigeration energy of air-conditioning system 100 in preset duration (the first preset duration or the second preset duration) Need and the mode of demand relation control air-conditioning system 100 that heating can need, due to compressor run in preset duration it is temporary not surely It is fixed, the mode for the demand relation control air-conditioning system 100 that can be needed can be needed and heated in practical applications according only to refrigeration.Default Refrigeration after duration (the first preset duration or the second preset duration) according to air-conditioning system 100 can need and heat the demand that can be needed and close The mode of system's control air-conditioning system 100, after preset duration, it is believed that compressor is stable, combinable in practical applications Other parameters coordinated control, such as outdoor temperature T, the relevant parameters such as condensing pressure.
Referring to Fig. 2, the air-conditioning system 100 of embodiment of the present invention includes controller 30.The hybrid guided mode of air-conditioning system 100 Formula includes main refrigeration mode and main heating mode.Controller 30 is for acquiring outdoor temperature T and judging whether outdoor temperature T meets Mixed-mode operations condition, and outdoor temperature T meets mixed-mode operations condition and outdoor temperature T is greater than preset temperature for working as When threshold value G (T > G), air-conditioning system 100 is controlled with the operation of main refrigeration mode, and for meeting mixed mode as outdoor temperature T When service condition and outdoor temperature T are not more than preset temperature threshold G (T≤G), air-conditioning system 100 is controlled with main heating mode fortune Row.
In other words, the step S12, step S14 and step S16 of the control method of above-mentioned air-conditioning system 100 can be by controlling Device 30 processed is realized.
The air-conditioning system 100 of embodiment of the present invention, use the judgement of outdoor temperature T control air conditioner system 100 with Main heating mode or the operation of main heating mode, avoidable air-conditioning system 100 frequently in pure refrigeration mode or pure heating mode and are mixed Toggling between syntype reduces the energy consumption of air-conditioning system 100, meets the demand of user.
It should be noted that the explanation and beneficial effect of the control method of the air-conditioning system 100 of above embodiment The air-conditioning system 100 for being also applied for present embodiment is no longer developed in details herein to avoid redundancy.Controller 30 it is mountable On indoor unit 20 or outdoor unit 10.Preferably, controller 30 is mounted on indoor unit 20.
In some embodiments, when air-conditioning system 100 is run with main refrigeration mode or main heating mode, controller 30 The mode for the demand relation control air-conditioning system 100 that can be needed can be needed and heated for the refrigeration according to air-conditioning system 100.
In other words, the step S18 of the control method of above-mentioned air-conditioning system 100 can be realized by controller 30.
In some embodiments, when air-conditioning system 100 is with the operation of main refrigeration mode, in the first preset duration, control Device 30 processed is used to control air-conditioning system when that can need without refrigeration and have heating that can need (refrigeration can need=0 and heating can need ≠ 0) 100 switchings are main heating mode, and the difference for that can need to subtract heating when refrigeration and can need is not less than and the first preset value H1 and has Refrigeration can need (refrigeration can need-heating can need >=H1 and freeze can need to ≠ 0) when, control air-conditioning system 100 and keep main refrigeration mode, And for difference that heating can need can need to be subtracted less than the first preset value H1 (freeze can need-heating can need < H1) when refrigeration When, control air-conditioning system 100 switches main heating mode.
In some embodiments, when air-conditioning system 100 is with the operation of main heating mode, in the second preset duration, control Device 30 processed is used to control air-conditioning system when that can need without heating and have refrigeration that can need (heating can need=0 and refrigeration can need ≠ 0) 100 switchings are main refrigeration mode, and the difference for that can need to subtract heating when refrigeration and can need is not more than and the second preset value H2 and has Heating can need (refrigeration can need-heating can need≤H2 and heat can need to ≠ 0) when, control air-conditioning system 100 and keep main heating mode, And the difference for that can need to subtract heating when refrigeration and can need is greater than the second preset value H2 (freeze can need-heating can need > H2) When, control air-conditioning system 100 switches main refrigeration mode.
In some embodiments, when air-conditioning system 100 is with the operation of main refrigeration mode, in the first preset duration or second After duration, controller 30 be used for when heating can need to subtract refrigeration can need difference not less than first threshold K1 (heat can need-refrigeration Energy need >=K1) when, the control switching of air-conditioning system 100 is main heating mode, and for when no refrigeration can need and have heating that can need When (refrigeration can need=0 and heating can need ≠ 0), the control switching of air-conditioning system 100 is main heating mode.
In some embodiments, when air-conditioning system 100 is with the operation of main heating mode, in the first preset duration or second After duration, controller 30 be used for when refrigeration can need to subtract heating can need difference not less than second threshold K2 (freeze can need-heating Energy need >=K2) when, the control switching of air-conditioning system 100 is main refrigeration mode, and for when no heating can need and have refrigeration that can need When (heating can need=0 and refrigeration can need ≠ 0), the control switching of air-conditioning system 100 is main refrigeration mode.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation The description of mode ", " example ", specific examples or " some examples " etc. means the tool described in conjunction with the embodiment or example Body characteristics, structure, material or feature are contained at least one embodiment or example of the invention.In the present specification, Schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot Structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (such as computer based system, including the system of processing module or other can be from instruction Execute system, device or equipment instruction fetch and the system that executes instruction) use, or combine these instruction execution systems, device or Equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any may include, store, communicating, propagating or Transfer program uses for instruction execution system, device or equipment or in conjunction with these instruction execution systems, device or equipment Device.The more specific example (non-exhaustive list) of computer-readable medium include the following: there are one or more wirings Electrical connection section (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of embodiments of the present invention can be with hardware, software, firmware or their combination come real It is existing.In the above-described embodiment, multiple steps or method can be with storages in memory and by suitable instruction execution system The software or firmware of execution is realized.For example, if realized with hardware, in another embodiment, ability can be used Any one of following technology or their combination well known to domain is realized: being had for realizing logic function to data-signal The discrete logic of logic gates, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In addition, each functional unit in various embodiments of the present invention can integrate in a processing module, it can also To be that each unit physically exists alone, can also be integrated in two or more units in a module.It is above-mentioned integrated Module both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module If in the form of software function module realize and when sold or used as an independent product, also can store one calculating In machine read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (12)

1. a kind of control method of air-conditioning system, which is characterized in that the mixed mode of the air-conditioning system includes main refrigeration mode With main heating mode, the control method includes:
Acquisition outdoor temperature simultaneously judges whether the outdoor temperature meets mixed-mode operations condition;
If the outdoor temperature meets mixed-mode operations condition, when the outdoor temperature is greater than preset temperature threshold, control The air-conditioning system is run with the main refrigeration mode;
When the outdoor temperature is not more than the preset temperature threshold, controls the air-conditioning system and transported with the main heating mode Row.
2. control method as described in claim 1, which is characterized in that the control method includes:
When the air-conditioning system is run with the main refrigeration mode or the main heating mode, according to the system of the air-conditioning system The demand relation that cold energy needs and heating can need controls the mode of the air-conditioning system.
3. control method as claimed in claim 2, which is characterized in that run in the air-conditioning system with the main refrigeration mode When, the mode that the demand relation that can be needed controls the air-conditioning system can be needed and heated according to the refrigeration of the air-conditioning system, comprising:
When in the first preset duration, when no refrigeration can need and have the heating that can take, the air-conditioning system is controlled It is switched to the main heating mode;
When the refrigeration can need to subtract difference that the heating can need not less than the first preset value and have the refrigeration that can take, control It makes the air-conditioning system and keeps the main refrigeration mode;
When the refrigeration, which can need to subtract the difference that the heating can need, is less than first preset value, the air-conditioning system is controlled Switch the main heating mode.
4. control method as claimed in claim 2, which is characterized in that run in the air-conditioning system with the main heating mode When, the mode that the demand relation that can be needed controls the air-conditioning system can be needed and heated according to the refrigeration of the air-conditioning system, comprising:
When in the second preset duration, when no heating can need and have the refrigeration that can take, the air-conditioning system is controlled It is switched to the main refrigeration mode;
When the refrigeration can need to subtract difference that the heating can need no more than the second preset value and have the heating that can take, control It makes the air-conditioning system and keeps the main heating mode;
When the refrigeration, which can need to subtract the difference that the heating can need, is greater than second preset value, the air-conditioning system is controlled Switch the main refrigeration mode.
5. control method as described in claim 3 or 4, which is characterized in that in the air-conditioning system with the main refrigeration mode When operation, the mode that the demand relation that can be needed controls the air-conditioning system can be needed and heat according to the refrigeration of the air-conditioning system, Include:
After first preset duration or second preset duration, when the heating can need to subtract the difference that the refrigeration can need When value is not less than first threshold, controls the air-conditioning system and be switched to the main heating mode;
When no refrigeration can need and have the heating that can take, controls the air-conditioning system and be switched to the main heating mould Formula.
6. control method as described in claim 3 or 4, which is characterized in that in the air-conditioning system with the main heating mode When operation, the mode that the demand relation that can be needed controls the air-conditioning system can be needed and heat according to the refrigeration of the air-conditioning system, Include:
After first preset duration or second preset duration, when the refrigeration can need to subtract the difference that the heating can need When value is not less than second threshold, controls the air-conditioning system and be switched to the main refrigeration mode;
When no heating can need and have the refrigeration that can take, controls the air-conditioning system and be switched to the main refrigeration mould Formula.
7. a kind of air-conditioning system, which is characterized in that including controller, the mixed mode of the air-conditioning system includes main refrigeration mode With main heating mode, the controller is for acquiring outdoor temperature and judging whether the outdoor temperature meets mixed-mode operations Condition, and the outdoor temperature meets mixed-mode operations condition and the outdoor temperature is greater than preset temperature threshold for working as When, it controls the air-conditioning system and is run with the main refrigeration mode, and for meeting mixed mode fortune when the outdoor temperature When row condition and the outdoor temperature are not more than the preset temperature threshold, the air-conditioning system is controlled with the main heating mode Operation.
8. air-conditioning system as claimed in claim 7, which is characterized in that in the air-conditioning system with the main refrigeration mode or institute When stating the operation of main heating mode, the controller is used to need and heat according to the refrigeration of the air-conditioning system demand that can be needed and closes System controls the mode of the air-conditioning system.
9. air-conditioning system as claimed in claim 8, which is characterized in that run in the air-conditioning system with the main refrigeration mode When, in the first preset duration, the controller is used to need when no refrigeration and have the heating that can take, and controls institute It states air-conditioning system and is switched to the main heating mode, and for need to subtract the difference that the heating can need not small when the refrigeration In the first preset value and there is the refrigeration that can take, controls the air-conditioning system and keep the main refrigeration mode, and for working as When the refrigeration can need to subtract difference that the heating can need and be less than first preset value, air-conditioning system switching institute is controlled State main heating mode.
10. air-conditioning system as claimed in claim 8, which is characterized in that transported in the air-conditioning system with the main heating mode When row, in the second preset duration, the controller is used to need when no heating and have the refrigeration that can take, and controls The air-conditioning system is switched to the main refrigeration mode, and for that can need to subtract difference that the heating can need not when the refrigeration Greater than the second preset value and there is the heating that can take, controls the air-conditioning system and keep the main heating mode, and be used for When the refrigeration, which can need to subtract the difference that the heating can need, is greater than second preset value, the air-conditioning system switching is controlled The main refrigeration mode.
11. the air-conditioning system as described in claim 9 or 10, which is characterized in that in the air-conditioning system with the main refrigeration mould When formula is run, after first preset duration or second preset duration, the controller is used to need when the heating When subtracting difference that the refrigeration can need not less than first threshold, controls the air-conditioning system and is switched to the main heating mode, And it for that can need when no refrigeration and have the heating that can take, controls the air-conditioning system and is switched to the main heating mould Formula.
12. the air-conditioning system as described in claim 9 or 10, which is characterized in that in the air-conditioning system with the main heating mould When formula is run, after first preset duration or second preset duration, the controller is used to need when the refrigeration When subtracting difference that the heating can need not less than second threshold, controls the air-conditioning system and is switched to the main refrigeration mode, And it for that can need when no heating and have the refrigeration that can take, controls the air-conditioning system and is switched to the main refrigeration mould Formula.
CN201811646275.7A 2018-12-29 2018-12-29 The control method and air-conditioning system of air-conditioning system Pending CN109708253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811646275.7A CN109708253A (en) 2018-12-29 2018-12-29 The control method and air-conditioning system of air-conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811646275.7A CN109708253A (en) 2018-12-29 2018-12-29 The control method and air-conditioning system of air-conditioning system

Publications (1)

Publication Number Publication Date
CN109708253A true CN109708253A (en) 2019-05-03

Family

ID=66260477

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811646275.7A Pending CN109708253A (en) 2018-12-29 2018-12-29 The control method and air-conditioning system of air-conditioning system

Country Status (1)

Country Link
CN (1) CN109708253A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111397137A (en) * 2020-04-13 2020-07-10 宁波奥克斯电气股份有限公司 Multi-split operation mode control method and device and multi-split system
CN111426100A (en) * 2020-04-20 2020-07-17 珠海格力电器股份有限公司 Automatic refrigeration heat recovery control method and device and multi-split complete machine equipment
CN111442510A (en) * 2020-04-08 2020-07-24 广东美的暖通设备有限公司 Multi-split air conditioning system, control method and control device thereof, and storage medium
CN114508837A (en) * 2021-12-24 2022-05-17 青岛海尔空调电子有限公司 Control method for three-pipe type multi-split air conditioning unit
CN114963453A (en) * 2022-05-31 2022-08-30 宁波奥克斯电气股份有限公司 Method for determining air conditioner operation mode, multi-split central air conditioner and storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1437558A1 (en) * 2003-01-13 2004-07-14 Lg Electronics Inc. Method for operating multi-type air conditioner
CN1755259A (en) * 2004-10-02 2006-04-05 三星电子株式会社 The control method of multi-air-conditioner and refrigeration simultaneously and heating operation
CN105674402A (en) * 2016-03-23 2016-06-15 广东美的暖通设备有限公司 Multiple-on-line system and mode switching control method thereof
CN106642521A (en) * 2016-09-21 2017-05-10 广东美的暖通设备有限公司 Control method of multi-split air-conditioning system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1437558A1 (en) * 2003-01-13 2004-07-14 Lg Electronics Inc. Method for operating multi-type air conditioner
CN1755259A (en) * 2004-10-02 2006-04-05 三星电子株式会社 The control method of multi-air-conditioner and refrigeration simultaneously and heating operation
CN105674402A (en) * 2016-03-23 2016-06-15 广东美的暖通设备有限公司 Multiple-on-line system and mode switching control method thereof
CN106642521A (en) * 2016-09-21 2017-05-10 广东美的暖通设备有限公司 Control method of multi-split air-conditioning system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111442510A (en) * 2020-04-08 2020-07-24 广东美的暖通设备有限公司 Multi-split air conditioning system, control method and control device thereof, and storage medium
CN111442510B (en) * 2020-04-08 2022-08-23 广东美的暖通设备有限公司 Multi-split air conditioning system, control method and control device thereof, and storage medium
CN111397137A (en) * 2020-04-13 2020-07-10 宁波奥克斯电气股份有限公司 Multi-split operation mode control method and device and multi-split system
CN111397137B (en) * 2020-04-13 2021-10-22 宁波奥克斯电气股份有限公司 Multi-split operation mode control method and device and multi-split system
CN111426100A (en) * 2020-04-20 2020-07-17 珠海格力电器股份有限公司 Automatic refrigeration heat recovery control method and device and multi-split complete machine equipment
CN114508837A (en) * 2021-12-24 2022-05-17 青岛海尔空调电子有限公司 Control method for three-pipe type multi-split air conditioning unit
CN114963453A (en) * 2022-05-31 2022-08-30 宁波奥克斯电气股份有限公司 Method for determining air conditioner operation mode, multi-split central air conditioner and storage medium
CN114963453B (en) * 2022-05-31 2023-09-15 宁波奥克斯电气股份有限公司 Method for determining running mode of air conditioner, multi-split central air conditioner and storage medium

Similar Documents

Publication Publication Date Title
CN109708253A (en) The control method and air-conditioning system of air-conditioning system
CN104913469B (en) Control method, device and the air-conditioning system of air-conditioning system
CN104654531B (en) Air conditioner and its control method of outer machine dedusting
CN111765606A (en) Method for controlling low-temperature heating start of air conditioner, air conditioner and storage medium
CN110749056B (en) Air conditioner and control method and device thereof
CN108119989A (en) Air conditioner and its control method, device
CN103851752A (en) Air conditioner and control method thereof
CN104006484B (en) The control method of air conditioner wind pushing temperature
CN104596171A (en) Air conditioner and control method and device of compressor motor in air conditioner
CN105910360A (en) Air-conditioning system and condensation prevention control method thereof
CN106524361A (en) Air-conditioner and starting method thereof
US20070084939A1 (en) Systems and methods of controlling a fan coil unit
CN108954677A (en) Defrosting control method, defrosting control system and the storage medium of multi-line system
CN105135633A (en) Variable refrigerant flow air conditioning system and control method thereof
CN113418289A (en) Control method and device for preventing cold air of air conditioner and air conditioner
CN110848852B (en) Air conditioner and control method and control device thereof
CN108800464A (en) Energy-saving control method, device and the air-conditioning of air-conditioning
CN106642846B (en) Filter assemblies, control method, control device and air conditioner
CN104246396A (en) Heat pump device
CN113251573B (en) Control method for self-cleaning of double-evaporator air conditioner and double-evaporator air conditioner
CN108759168A (en) Heat pump system, defrosting method and device
CN108759260A (en) A kind of control method and refrigerator of heater
CN107940680A (en) The mode switching method of air-conditioning system and air-conditioning system
CN108800425A (en) Prevent control method, device and the air-conditioning of air-conditioning frequent start-stop
CN114234365A (en) Method and device for self-cleaning of air conditioner and air conditioner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190503