CN110398048A - Air-conditioning system, air conditioning control method, air conditioning control device and storage medium - Google Patents

Air-conditioning system, air conditioning control method, air conditioning control device and storage medium Download PDF

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Publication number
CN110398048A
CN110398048A CN201910667644.9A CN201910667644A CN110398048A CN 110398048 A CN110398048 A CN 110398048A CN 201910667644 A CN201910667644 A CN 201910667644A CN 110398048 A CN110398048 A CN 110398048A
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China
Prior art keywords
air
heat exchanger
ventilation opening
conditioning system
shell
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Granted
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CN201910667644.9A
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Chinese (zh)
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CN110398048B (en
Inventor
郑春元
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Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
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Priority to CN201910667644.9A priority Critical patent/CN110398048B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a kind of air-conditioning systems, the air-conditioning system includes indoor unit, the indoor unit includes indoor heat exchanger, first throttling device and by-passing valve, the indoor heat exchanger include First Heat Exchanger and with concatenated second heat exchanger of the First Heat Exchanger, the first throttling device be set between the First Heat Exchanger and second heat exchanger;The by-passing valve is arranged in parallel with the First Heat Exchanger.The invention also discloses a kind of air conditioning control method, air conditioning control device and readable storage medium storing program for executing.The present invention is directed to realize that the capacity of indoor heat exchanger and output are adaptable to complicated load variations to be adjusted, indoor environment comfort is improved.

Description

Air-conditioning system, air conditioning control method, air conditioning control device and storage medium
Technical field
The present invention relates to air-conditioning technical field more particularly to air-conditioning system, air conditioning control method, air conditioning control devices and can Read storage medium.
Background technique
As comfort demand of the people to air conditioner is continuously improved, the requirement to air conditioner is also higher and higher.In order to more The different demands of good adaptation indoor environment, current air-conditioning system pass through the multiple concatenated heat exchangers of indoor setting, are exchanging heat Throttle part is arranged between device to control the heating of each heat exchanger or refrigeration, multi-functional tune is carried out to room air to realize Section.However, heat exchanger area is fixed, the capacity of each heat exchanger is fixed, and the heat output of coil pipe cannot control to adjust, it is difficult to suitable Complicated load variations demand is answered, the leaving air temp of indoor unit is easy to cause to differ with setting value farther out, indoor environment is influenced and relaxes Adaptive.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of air-conditioning systems, it is intended to realize that the capacity of indoor heat exchanger and output can It is adapted to complicated load variations to be adjusted, improves indoor environment comfort.
To achieve the above object, the present invention provides a kind of air-conditioning system, and the air-conditioning system includes indoor unit, the interior Machine includes:
Indoor heat exchanger, the indoor heat exchanger include First Heat Exchanger and change with the First Heat Exchanger concatenated second Hot device;
First throttling device is set between the First Heat Exchanger and second heat exchanger;
By-passing valve, the by-passing valve are arranged in parallel with the First Heat Exchanger.
Optionally, the indoor unit further include:
First refrigerant interface, one end of the First Heat Exchanger are connect with the first refrigerant interface, first heat exchange The other end of device is connect with the first throttling device, one end of the by-passing valve and the First Heat Exchanger and the first segment The refrigerant flow connection between device is flowed, the other end of the by-passing valve is connected to the first refrigerant interface and changes with described first Between hot device;
Second refrigerant interface, one end of second heat exchanger are connect with the second refrigerant interface, second heat exchange The other end of device is connect with the first throttling device;
Second throttling device is set between the first refrigerant interface and the First Heat Exchanger.
Optionally, the air-conditioning system further include:
Compressor;
Outdoor heat exchanger, the outdoor heat exchanger include third refrigerant interface and the 4th refrigerant interface;
Third throttling set, one end of the third throttling set are connect with the third refrigerant interface, the third section The other end of stream device is connect with the first refrigerant interface;
Four-way valve, including first interface, second interface, third interface and the 4th interface, the first interface and the pressure The gas returning port of contracting machine connects, and the second interface is connect with the exhaust outlet of the compressor, the third interface and the outdoor 4th refrigerant interface of heat exchanger connects, and the 4th interface is connect with the second refrigerant interface.
Optionally, the indoor unit further include:
First shell, the first refrigerant interface and the second refrigerant interface be set to the first shell, described first Shell is additionally provided with the first air inlet and the first air outlet;
Second shell is set in the first shell, and the second shell is equipped with the first ventilation opening for being oppositely arranged and the Two ventilation openings, the First Heat Exchanger and the second heat exchanger are set in the second shell, and the First Heat Exchanger is close to described The setting of first ventilation opening, second heat exchanger are arranged close to second ventilation opening;
Switching device is flowed to, is set between the first shell and the second shell, so that into the first shell Air first flow direction second flow direction between switch, it is described first flow direction be air followed by first air inlet, First ventilation opening, second ventilation opening and first air outlet, second flow direction are air followed by described First air inlet, second ventilation opening, first ventilation opening and first air outlet.
Optionally, the first wind for being connected to first ventilation opening and second ventilation opening is formed in the second shell Road, is formed with the second air duct between the outer wall of the second shell and the inner wall of the first shell, second air duct passes through The switching device that flows to is isolated into the first sub-air channel and the second sub-air channel, and first sub-air channel has the second air inlet and the Two air outlets, second sub-air channel have third air inlet and third air outlet;
Second air inlet of first sub-air channel is connected to first air inlet, and the third of second sub-air channel goes out Air port is connected to first air outlet;
The flow shifting device is configured to switch between the first location and the second location;
In the first position, the flow shifting device is closed between second air outlet and second ventilation opening Channel, and the flow shifting device closes the channel between the third air inlet and first ventilation opening so that into Enter the air of the first shell with the first flow direction flowing;
In the second position, the flow shifting device is opened between second air outlet and second ventilation opening Channel, and the flow shifting device opens the channel between the third air inlet and first ventilation opening so that into Enter the air of the first shell with the second flow direction flowing.
Optionally, first air inlet and first air outlet are oppositely arranged, and first ventilation opening is close to described The setting of first air inlet, second ventilation opening are arranged close to first air outlet.
Optionally, the flow shifting device includes the first air-valve and the second air-valve, and first air-valve includes first turn Dynamic portion and the first baffle connecting with first rotation section, first rotation section is rotationally connected with first air inlet Edge, the first baffle are located in first ventilation opening far from one end of first rotation section;
Second air-valve includes the second rotation section and the second baffle that connect with second rotation section, and described second turn Dynamic portion is rotationally connected with the edge of first air outlet, and the second baffle is located at institute far from one end of second rotation section It states in the second ventilation opening;
When the first baffle is limited in edge of first ventilation opening close to first rotation section, and described second Baffle limiting forms the first position when edge of second ventilation opening close to second rotation section;
When the first baffle is limited in edge of first ventilation opening far from first rotation section, and described second Baffle limiting forms the second position when edge of second ventilation opening far from second rotation section.
In addition, to achieve the goals above, the application also proposes a kind of air conditioning control method, based on described in any one as above Air-conditioning system, the air conditioning control method the following steps are included:
Obtain the fisrt feature parameter of First Heat Exchanger thermal load demands;
It is run according to the fisrt feature state modulator by-passing valve.
Optionally, when the air-conditioning system includes second throttling device, the air conditioning control method further include:
Obtain the current operational mode of air-conditioning system:
When the operational mode is refrigeration mode or heating mode, the second of the thermal load of air-conditioning system demand is obtained Characteristic parameter;
Judge whether the second feature parameter is less than or equal to preset threshold;
It is closed if so, controlling the second throttling device;
It is opened if it is not, then controlling the second throttling device.
Optionally, described to obtain the current operation mould of air-conditioning system when the air-conditioning system includes flowing to switching device After the step of formula, further includes:
The target flow direction of the air in indoor unit is determined according to the operational mode;
Switching device operation is flowed to according to the target traffic organising.
Optionally, the step of target that the air in indoor unit is determined according to the operational mode flows to include:
When the operational mode is first mode, determine the target flow direction for the first flow direction;
When the operational mode is second mode, determine the target flow direction for the second flow direction.
In addition, to achieve the goals above, the application also proposes a kind of air conditioning control device, the air conditioning control device packet It includes: memory, processor and being stored in the air-conditioning control program that can be run on the memory and on the processor, it is described The step of as above described in any item air conditioning control methods are realized when air-conditioning control program is executed by the processor.
In addition, to achieve the goals above, the application also proposes a kind of readable storage medium storing program for executing, on the readable storage medium storing program for executing It is stored with air-conditioning control program, as above described in any item airconditioning controls are realized when the air-conditioning control program is executed by processor The step of method.
A kind of air-conditioning system that the embodiment of the present invention proposes, the indoor unit of the air-conditioning system includes concatenated First Heat Exchanger With the second heat exchanger, first throttling device is set between two heat exchangers, the air for entering the room machine can be filled in first throttle Under the adjusting set, successively exchange heat by two heat exchangers, with realize air-conditioning system can multiplicity operational mode to interior Air is adjusted, wherein setting by-passing valve is in parallel with First Heat Exchanger, and the bypass effect of by-passing valve can be in First Heat Exchanger Cold medium flux be adjusted, the capacity of indoor heat exchanger and output can not be limited by fixed heat exchange area, Ke Yitong It crosses by-passing valve and is adapted to the workload demand of First Heat Exchanger and be adjusted, to realize that the capacity of indoor heat exchanger and output can fit It should be adjusted in complicated load variations, improve indoor environment comfort.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of air-conditioning system of the present invention;
The structural schematic diagram that Fig. 2 flowed to and flowed to switching device position for first of air in air-conditioning system in Fig. 1;
The structural schematic diagram that Fig. 3 flowed to and flowed to switching device position for second of air in air-conditioning system in Fig. 1;
Fig. 4 is the flow diagram of one embodiment of air conditioning control method of the present invention;
Fig. 5 is the flow diagram of another embodiment of air conditioning control method of the present invention;
Fig. 6 is the flow diagram of the another embodiment of air conditioning control method of the present invention;
Fig. 7 is the hardware structural diagram of one embodiment of air conditioning control device of the present invention.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention are: proposing a kind of air-conditioning system, the indoor unit of the air-conditioning system includes: Indoor heat exchanger, first throttling device and by-passing valve, the indoor heat exchanger include First Heat Exchanger and exchange heat with described first Concatenated second heat exchanger of device, the first throttling device are set between the First Heat Exchanger and second heat exchanger, institute It is in parallel with the First Heat Exchanger to state by-passing valve.
Due in the prior art, by concatenated heat exchanger realize it is multi-functional to room air change adjusting when, heat exchanger Area is fixed, and the capacity of each heat exchanger is fixed, and the heat output of coil pipe cannot control to adjust, it is difficult to adapt to complicated load and become Change demand is easy to cause the leaving air temp of indoor unit to differ with setting value farther out, influences indoor environment comfort.
The present invention provides above-mentioned solution, it is intended to it is complicated negative to realize that the capacity of indoor heat exchanger and output are adaptable to Lotus variation is adjusted, and improves indoor environment comfort.
The present invention proposes a kind of air-conditioning system.
In embodiments of the present invention, referring to Fig.1, which includes indoor unit, and indoor unit includes indoor heat exchanger, One throttling set and by-passing valve.
Indoor heat exchanger include First Heat Exchanger and with concatenated second heat exchanger of First Heat Exchanger, first throttling device sets Between First Heat Exchanger and the second heat exchanger, by-passing valve is in parallel with First Heat Exchanger.
By the adjusting to first throttling device aperture, it can be achieved that the operating status to First Heat Exchanger and the second heat exchanger It is adjusted.In air-conditioning system operation, first throttling device aperture is opened full when not throttling or throttling on a small quantity, makes first throttle When the both ends pressure difference of device is smaller, First Heat Exchanger and the second heat exchanger can neither endothermic nor exothermics simultaneously;Alternatively, first throttling device When opening throttling with lesser aperture, when keeping the both ends pressure difference of first throttling device larger, First Heat Exchanger and the second heat exchanger In one heat absorption, another heat release.First throttling device can be specially electric expansion valve etc..
By-passing valve is arranged in parallel with First Heat Exchanger, can obtain the characteristic parameter of the thermal load demands of First Heat Exchanger, can The operation of by-passing valve is controlled according to characteristic parameter.By-passing valve can be specially solenoid valve or electric expansion valve.When by-passing valve is electromagnetism When valve, opening or closing for by-passing valve can be controlled according to characteristic parameter, when by-passing valve is electric expansion valve, can be joined according to feature The aperture that number control by-passing valve is opened.
A kind of air-conditioning system that the embodiment of the present invention proposes, the indoor unit of the air-conditioning system includes concatenated First Heat Exchanger With the second heat exchanger, first throttling device is set between two heat exchangers, the air for entering the room machine can be filled in first throttle Under the adjusting set, successively exchange heat by two heat exchangers, with realize air-conditioning system can multiplicity operational mode to interior Air is adjusted, wherein setting by-passing valve is in parallel with First Heat Exchanger, and the capacity of indoor heat exchanger and output can not be by The limitation of fixed heat exchange area, the workload demand that First Heat Exchanger can be adapted to by by-passing valve is adjusted, to realize The capacity of indoor heat exchanger and output are adaptable to complicated load variations and are adjusted, and improve indoor environment comfort.
Further, referring to Fig.1, the indoor unit further include: the first refrigerant interface, the second refrigerant interface and the second throttling Device.One end of the First Heat Exchanger is connect with the first refrigerant interface, the other end of the First Heat Exchanger with it is described First throttling device connection, the refrigerant between one end of the by-passing valve and the First Heat Exchanger and the first throttling device Flow path connection, the other end of the by-passing valve are connected between the first refrigerant interface and the First Heat Exchanger.Described One end of two heat exchangers is connect with the second refrigerant interface, the other end of second heat exchanger and the first throttling device Connection.The second throttling device is set between the first refrigerant interface and the First Heat Exchanger.First refrigerant interface and Second refrigerant interface is specifically used for the members such as indoor heat exchanger and compressor, outdoor heat exchanger forming refrigerant circulation time Road, one of the first refrigerant interface and the second refrigerant interface can be used as the entrance that refrigerant enters the room machine, the first refrigerant interface and Another outlet that can be used as refrigerant discharge indoor unit in second refrigerant interface.
In the present embodiment, after second throttling device is connected with First Heat Exchanger, then it is in parallel with by-passing valve, to combine The coordinative role of second throttling device and by-passing valve is realized to the cold medium flux for flowing into First Heat Exchanger heat exchange or is exchanged heat from first The cold medium flux that device flows out to outdoor unit carries out linkage control, to further provide for indoor heat exchanger to complicated load variations Adaptability regulating power further increases the comfort of indoor environment temperature.
Specifically, air-conditioning system may also include outdoor unit, outdoor unit may particularly include compressor, outdoor heat exchanger, four-way Valve and third throttling set etc..Wherein, the outdoor heat exchanger includes third refrigerant interface and the 4th refrigerant interface;The third One end of throttling set is connect with the third refrigerant interface, and the other end of the third throttling set connects with first refrigerant Mouth connection.
Four-way valve includes first interface, second interface, third interface and the 4th interface, the first interface and the compression The gas returning port of machine connects, and the second interface is connect with the exhaust outlet of the compressor, and the third interface is changed with the outdoor 4th refrigerant interface of hot device connects, and the 4th interface is connect with the second refrigerant interface.
By the above-mentioned means, the interior in four-way valve, outdoor heat exchanger, compressor, third throttling set and indoor unit is changed Hot device can be built into refrigerant circulation circuit, and can control the refrigerant in outdoor heat exchanger by four-way valve is heat absorption or heat release, this On the basis of in conjunction with first throttling device, second throttling device, third throttling set and by-passing valve coordinated control, can realize sky Adjusting system can be run with plurality of operating modes (refrigeration mode, heating mode, heat recovery mode, dehumidification mode etc.), and It is suitable for different thermal load demands under every kind of operational mode, improves the comfort of indoor environment.
Further, referring to Fig.1, indoor unit further includes first shell, second shell and flows to switching device.Described first Refrigerant interface and the second refrigerant interface are set to the first shell, and the first shell is additionally provided with the first air inlet and first Air outlet.Second shell is set in the first shell, and the second shell is equipped with the first ventilation opening and second being oppositely arranged Ventilation opening, the First Heat Exchanger and the second heat exchanger are set in the second shell, and the First Heat Exchanger is close to described the The setting of one ventilation opening, second heat exchanger are arranged close to second ventilation opening.Switching device is flowed to set on the first shell Between body and the second shell, so that the air into the first shell switches between the first flow direction and the second flow direction, First flow direction is air followed by first air inlet, first ventilation opening, second ventilation opening and described First air outlet, second flow direction are that air leads to followed by first air inlet, second ventilation opening, described first Air port and first air outlet.Wherein, the schematic diagram of the first flow direction can refer to the dotted line in Fig. 2, the schematic diagram of the second flow direction It can refer to the dotted line in Fig. 3.
Wherein, the specific location for flowing to switching device can be selected according to actual demand, can be set to the first air inlet, the One ventilation opening, the first air outlet and/or the second ventilation opening, can also be set to the first air inlet, the first ventilation opening, the second ventilation opening and In the channel of second ventilation opening between any two.First air inlet can be the return air inlet of room air, can also be with fresh air system Outdoor air inlet connection;First air outlet is connected to the interior space where indoor unit.
It is first-class downwards, flow into the air of indoor unit successively after First Heat Exchanger and the second heat exchanger are exchanged heat It arranges to indoor environment;Downward in second, the air for flowing into indoor unit successively passes through the second heat exchanger and First Heat Exchanger carries out The heel row that exchanges heat is to indoor environment.
In the present embodiment, the setting of flow shifting device can make air exchange heat in two heat exchangers of machine indoors The switching of sequence, so that the characteristic for making air-conditioning system be suitable for different operational modes selects corresponding heat exchange sequence to carry out air The raising of air-conditioning system outlet air quality under different operational modes is realized in heat exchange.
Specifically, being formed with connection first ventilation opening and described second in the second shell referring to Fig. 2 to Fig. 3 First air duct of ventilation opening is formed with the second air duct, institute between the outer wall of the second shell and the inner wall of the first shell It states the second air duct and the first sub-air channel and the second sub-air channel is isolated by the switching device that flows to;, the first sub-air channel tool There are the second air inlet and the second air outlet, second sub-air channel has third air inlet and third air outlet;First son Second air inlet in air duct is connected to first air inlet, when air is with the first flow direction flowing, the first sub- wind Second air outlet in road by it is described flow to switching device and switch to be isolated with second ventilation opening, in air with described second When flow direction flowing, the second air outlet of first sub-air channel is switched to and second ventilation by the switching device that flows to Mouth connection;The third air outlet of second sub-air channel is connected to first air outlet, in air with the first flow direction stream When dynamic, the third air inlet of second sub-air channel by it is described flow to switching device switch to first ventilation opening every From when air is with the second flow direction flowing, the third air inlet of second sub-air channel flows to switching device by described It switches to and is connected to first ventilation opening.
The second ventilation opening is isolated with the second air outlet and flowing to switching device by the first ventilation opening and third air inlet When isolation, the air that enters from the first air inlet will not be through the second duct flows to the first air outlet, but from the first air inlet After in into first shell, directly through intracorporal first duct flows of second shell to the first air outlet, to realize into first The intracorporal air of shell is with the first flow direction flowing.
The second ventilation opening is connected to the second air outlet and flowing to switching device by the first ventilation opening and third air inlet When connection, the air entered from the first air inlet first flows to the first air duct through the first sub-air channel, then flow to the through the first air duct Two sub-air channels, to realize into the intracorporal air of first shell with the second flow direction flowing.
Specifically, the flow shifting device is configured to cut between the first location and the second location referring to Fig. 2 to Fig. 3 It changes.Specifically, the location of flow shifting device can be used as first position in Fig. 2, in the first position, the flow is cut Changing device closes the channel between second air outlet and second ventilation opening, and described in flow shifting device closing Channel between third air inlet and first ventilation opening, so that the air into the first shell is flowed to described first Flowing.Specifically, the location of flow shifting device can be used as the second position in Fig. 3, and in the second position, the flow Switching device opens the channel between second air outlet and second ventilation opening, and the flow shifting device opens institute State the channel between third air inlet and first ventilation opening so that into the first shell air with the second To flowing.In the present embodiment, by flow shifting device in the two position up conversions constructed, the first flow direction and the is realized The switching of two flow directions.
Wherein, in order to improve heat exchange efficiency, guarantee outlet air quality, reduce air unnecessary flowing road in first shell Journey, referring to Fig. 2 to Fig. 3, first air inlet and first air outlet are oppositely arranged, and first ventilation opening is close to described The setting of first air inlet, second ventilation opening are arranged close to first air outlet.By the above-mentioned means, from the first air inlet The air of entrance with first flow direction flowing when can quickly enter the first air duct heat exchange after is discharged, and with second flow direction flowing when, Too long distance will not be flowed in the second air duct, so that the first air duct is rapidly entered, and in the first air duct after the completion of heat exchange, Quickly reach the first air outlet.
Referring to Fig. 2 to Fig. 3, the flow shifting device includes the first air-valve and the second air-valve.First air-valve includes First rotation section and the first baffle being connect with first rotation section, first rotation section be rotationally connected with described first into The edge in air port, the first baffle are located in first ventilation opening far from one end of first rotation section;Described second Air-valve includes the second rotation section and the second baffle that connect with second rotation section, and second rotation section is rotationally connected with institute The edge of the first air outlet is stated, the second baffle is located in second ventilation opening far from one end of second rotation section. When first rotation section rotates, first baffle connected to it can be driven to move in the first ventilation opening, when the second rotation section rotates, Second baffle connected to it can be driven to move in the second ventilation opening.Wherein, the first rotation section and the second rotation section can be with electricity The output shaft of machine is sequentially connected, and the transformation to first baffle and second baffle position can be achieved by the control to motor.
When the first baffle is limited in edge of first ventilation opening close to first rotation section, and described second Baffle limiting forms the first position when edge of second ventilation opening close to second rotation section;Described first Baffle limiting is when edge of first ventilation opening far from first rotation section, and the second baffle is limited in described Two ventilation openings far from second rotation section edge when, form the second position.
In the present embodiment, through the above way setting flow shifting device realize to air stream in indoor unit to cut It changes, is conducive to the internal structure for simplifying indoor unit, reduce the air interior windage flowed of machine indoors, while simplifying flow switching dress The control set.
In addition, in a further embodiment, it can also be respectively in the second air inlet, the second air outlet, the first ventilation opening, Two ventilation openings, third air inlet, setting is scalable some or all of in third air outlet or the baffle arrangement of rotation, by right Each air port is opened and closed cooperation, thus air communication channel needed for constructing the first flow direction and the second flow direction.
Air-conditioning system in based on the above embodiment, the embodiment of the present invention also propose a kind of air conditioning control method.Referring to figure 4, the air conditioning control method the following steps are included:
Step S10 obtains the fisrt feature parameter of First Heat Exchanger thermal load demands;
Fisrt feature parameter includes the air conditioner operation parameters and environmental parameter for characterizing First Heat Exchanger thermal load demands Deng.Fisrt feature parameter is bigger, shows that the thermic load of First Heat Exchanger is bigger;Fisrt feature parameter is smaller, shows the first heat exchange The thermic load of device is smaller.For example, the coil temperature of First Heat Exchanger and the temperature difference of indoor environment temperature can be obtained as first Characteristic parameter.
Step S20 is run according to the fisrt feature state modulator by-passing valve.
When by-passing valve is electric expansion valve, different fisrt feature parameters correspond to the aperture of different by-passing valves, fisrt feature Parameter is bigger, and the aperture of corresponding by-passing valve is smaller.When by-passing valve is solenoid valve, fisrt feature parameter is greater than or equal to default Value, then close solenoid valve;Fisrt feature parameter is less than preset value, then opens solenoid valve.
In the present embodiment, it is run according to fisrt feature state modulator by-passing valve, simultaneously due to by-passing valve and First Heat Exchanger The cold medium flux in First Heat Exchanger can be adjusted in the bypass effect of connection, by-passing valve, the capacity of indoor heat exchanger and output It can not be limited by fixed heat exchange area, the workload demand that First Heat Exchanger can be adapted to by by-passing valve is adjusted Section improves indoor environment and relaxes to realize that the capacity of indoor heat exchanger and output are adaptable to complicated load variations and are adjusted Adaptive.
Further, in another embodiment, described referring to Fig. 5 when the air-conditioning system includes second throttling device Air conditioning control method further include:
Step S01 obtains the current operational mode of air-conditioning system:
Step S02, when the operational mode is refrigeration mode or heating mode, obtaining the thermal load of air-conditioning system is needed The second feature parameter asked;
Second feature parameter specifically include characterization air-conditioning system refrigeration or heating thermal load demands air conditioner operation parameters and Environmental parameter etc..For example, the set temperature of air-conditioning and the temperature difference of indoor environment temperature can be obtained as second feature parameter.Its In, second feature parameter is bigger, shows that the thermal load demands of air-conditioning system are bigger.
Step S03, judges whether the second feature parameter is less than or equal to preset threshold;
If so, S04 is thened follow the steps, if it is not, thening follow the steps S05
Step S04 controls the second throttling device and closes;
Step S05 controls the second throttling device and opens.
Due to the parallel connection effect of by-passing valve, when second throttling device is closed, refrigerant is without First Heat Exchanger heat exchanger, and second When throttling set is opened, refrigerant exchanges heat through First Heat Exchanger.
By the above-mentioned means, due to the setting of by-passing valve, in the thermal load demands hour of air-conditioning system, the second section can be passed through The low capacity output of air-conditioning system is realized in the closing for flowing device, when the thermal load demands of air-conditioning system are big, can pass through the second section The large capacity output of air-conditioning system is realized in the unlatching for flowing device, so that the changeability of indoor heat exchanger capacity is realized, thus into one Step improves the adaptability of the capacity and output of indoor heat exchanger to complicated load variations, raising indoor environment comfort.
Further, in another embodiment, described referring to Fig. 6 when the air-conditioning system includes flowing to switching device After the step of obtaining air-conditioning system current operational mode, further includes:
Step S06 determines the target flow direction of the air in indoor unit according to the operational mode;
Different operational modes adapts to its different feature, is provided with different target flow directions.Goal flow direction packet Include above-mentioned the first flow direction and the second flow direction.
When the operational mode is first mode, determine the target flow direction for the first flow direction.When the operational mode When for second mode, determine the target flow direction for the second flow direction.
First mode specifically includes refrigeration mode or heating mode.Second mode specifically includes dehumidification mode or recuperation of heat mould Formula.Heat recovery mode may particularly include the first heat recovery mode and the second heat recovery mode.
Specifically, can control air-conditioning system refrigerating operaton in the temperature for needing to reduce indoor environment.It is needing to increase room When the temperature of interior environment, air-conditioning system heating operation can control.When needing to dehumidify to indoor environment, controllable system is removed Wet operation.In air-conditioning system refrigerating operaton, leaving air temp is too low, and controllable air-conditioning system is run with the first heat recovery mode. In air-conditioning system heating operation, leaving air temp is excessively high, and controllable air-conditioning system is run with the second heat recovery mode.
Referring to Fig.1, the direction A in Fig. 1 is refrigerant stream of the above-mentioned air-conditioning system when needing to reduce room temperature or dehumidifying To the direction B in Fig. 1 is that refrigerant of the above-mentioned air-conditioning system when needing to improve room temperature flows to schematic diagram.
When air-conditioning needs to reduce room temperature or dehumidifying, under the action of four-way valve, the 4th refrigerant interface of outdoor heat exchanger It is connect with the exhaust outlet of compressor, by the refrigerant heat release of outdoor heat exchanger;When air-conditioning needs to increase room temperature, four-way valve Under effect, the 4th refrigerant interface of outdoor heat exchanger and the gas returning port of compressor are connected, and are absorbed heat by the refrigerant of outdoor heat exchanger.
Wherein, under air conditioning requirements that can be different according to indoor environment, First Heat Exchanger, the second heat exchanger and outdoor are changed The difference of the state of hot device divides air conditioning operating mode.Air-conditioning is when needing reduces room temperature, the operation mould of air-conditioning Formula specifically includes refrigeration mode and the first heat recovery mode;When air-conditioning is needed to indoor dehumidification, the operational mode of air-conditioning is specifically wrapped Include dehumidification mode;When air-conditioning needs to improve room temperature, the operational mode of air-conditioning specifically includes heating mode and the second recuperation of heat Mode.Under refrigeration mode, First Heat Exchanger and the second heat exchanger are evaporator, under pure heating mode, First Heat Exchanger and Two heat exchangers are condenser, and under dehumidification mode or heat recovery mode, one is steaming in First Heat Exchanger and the second heat exchanger Device is sent out, another is condenser.Specifically, in dehumidification mode and the first heat recovery mode, the condenser of First Heat Exchanger, the Two heat exchangers are evaporator;In the second heat recovery mode, the evaporator of First Heat Exchanger, the second heat exchanger is condenser.
In cooling mode, First Heat Exchanger and the second heat exchanger be evaporator heat absorption, enter the room the air of machine with First flow direction flowing further cools down, wherein First Heat Exchanger after first passing through First Heat Exchanger cooling using the second heat exchanger Temperature and the second heat exchanger temperature than relatively high, therefore according to the first flow direction to air carry out heat exchange be conducive to improve it is empty Heat exchange efficiency and heat transfer effect when gas freezes.
In a heating mode, First Heat Exchanger and the second heat exchanger are condenser heat rejection, enter the room the air of machine with First flow direction flowing further heats up, wherein First Heat Exchanger after first passing through First Heat Exchanger heating using the second heat exchanger Temperature and the second heat exchanger temperature than relatively high, therefore according to the first flow direction to air carry out heat exchange be conducive to improve it is empty Heat exchange efficiency and heat transfer effect when gas heats.
Under dehumidification mode, First Heat Exchanger is condenser, and the second heat exchanger is evaporator, enter the room the air of machine with Second flow direction flowing, air first pass through the second heat exchanger of low temperature, release heat formation condensed water and stay on the second heat exchanger, make After the humidity of air reduces, heat is absorbed using the higher First Heat Exchanger of temperature, it can be achieved that not to being blown into room temperature Air temperature modification can also realize the dehumidifying of indoor environment.
Wherein, when refrigeration mode is run, the leaving air temp of the first air outlet can be obtained, is less than or equal in leaving air temp When the first preset threshold, show that air conditioning exhausting temperature is too low, can control air-conditioning system to enter the first heat recovery mode, avoid air-conditioning Leaving air temp it is too low.Under the first heat recovery mode, First Heat Exchanger is condenser, and the second heat exchanger is evaporator, is entered The air of indoor unit with the second flow direction flowing, inhale using First Heat Exchanger by the second heat exchanger heat release that air first passes through low temperature The leaving air temp of heat, the first air outlet is increased, and may be implemented while avoiding leaving air temp too low to indoor environment Automatic dehumidifying to improve the quality of indoor environment, while can be formed on the second condenser to avoid the air of high temperature and humidity A large amount of condensed waters prevent air and blow water phenomenon.
Wherein, when heating mode is run, the leaving air temp of the first air outlet can be obtained, is greater than or equal in leaving air temp When the second preset threshold, show that air conditioning exhausting temperature is excessively high, can control air-conditioning system to enter the second heat recovery mode, avoid air-conditioning Leaving air temp it is excessively high.Under the second heat recovery mode, First Heat Exchanger is evaporator, and the second heat exchanger is condenser, is entered The air of indoor unit is with the second flow direction flowing, after the second heat exchanger that air first passes through high temperature absorbs heat, using low temperature Second heat exchanger releases heat, and the leaving air temp of the first air outlet is minimized, due to generally can just heat in winter low temperature Operation, and winter is generally more dry, not will do it dehumidifying while avoiding leaving air temp excessively high through the above way, thus The humidity for guaranteeing indoor environment, improves the quality of indoor environment.
Step S07 flows to switching device operation according to the target traffic organising.
Specifically, control flows to switching device and switches to first position when target flow direction flows to for first;In target stream To when flowing to for second, control flows to switching device and switches to the second position.
In the present embodiment, by the above-mentioned means, can according to different mode demand to air stream in indoor unit to progress It adjusts, to improve the heat exchange workload demand of air-conditioning in different modes.
Further it is proposed that a kind of air conditioning control device, can be applied to the heat such as the air conditioner with refrigeration adjustment effect Pumping system.
In embodiments of the present invention, referring to Fig. 7, air conditioning control device includes: processor 1001, such as CPU, memory 1002 etc..Memory 1002 can be high speed RAM memory, be also possible to stable memory (non-volatile ), such as magnetic disk storage memory.Memory 1002 optionally can also be the storage dress independently of aforementioned processor 1001 It sets.
It will be understood by those skilled in the art that the restriction of the not structure twin installation of apparatus structure shown in Fig. 1, can wrap It includes than illustrating more or fewer components, perhaps combines certain components or different component layouts.
As shown in Figure 1, as may include air-conditioning control program in a kind of memory 1002 of readable storage medium storing program for executing.Scheming In device shown in 1, processor 1001 can be used for calling the air-conditioning control program stored in memory 1002, and execute following The correlation step operation of air conditioning control method in embodiment.
In addition, the embodiment of the present invention also proposes a kind of readable storage medium storing program for executing, air-conditioning is stored on the readable storage medium storing program for executing Program is controlled, the air-conditioning control program realizes the related step of air conditioning control method any embodiment as above when being executed by processor Suddenly.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art The part contributed out can be embodied in the form of software products, which is stored in one as described above In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that terminal device (it can be mobile phone, Computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (13)

1. a kind of air-conditioning system, which is characterized in that the air-conditioning system includes indoor unit, and the indoor unit includes:
Indoor heat exchanger, the indoor heat exchanger include First Heat Exchanger and exchange heat with the First Heat Exchanger concatenated second Device;
First throttling device is set between the First Heat Exchanger and second heat exchanger;
By-passing valve, the by-passing valve are arranged in parallel with the First Heat Exchanger.
2. air-conditioning system as described in claim 1, which is characterized in that the indoor unit further include:
First refrigerant interface, one end of the First Heat Exchanger are connect with the first refrigerant interface, the First Heat Exchanger The other end is connect with the first throttling device, and one end of the by-passing valve and the First Heat Exchanger and the first throttle fill Refrigerant flow connection between setting, the other end of the by-passing valve are connected to the first refrigerant interface and the First Heat Exchanger Between;
Second refrigerant interface, one end of second heat exchanger are connect with the second refrigerant interface, second heat exchanger The other end is connect with the first throttling device;
Second throttling device is set between the first refrigerant interface and the First Heat Exchanger.
3. air-conditioning system as claimed in claim 2, which is characterized in that the air-conditioning system further include:
Compressor;
Outdoor heat exchanger, the outdoor heat exchanger include third refrigerant interface and the 4th refrigerant interface;
Third throttling set, one end of the third throttling set are connect with the third refrigerant interface, the third throttling dress The other end set is connect with the first refrigerant interface;
Four-way valve, including first interface, second interface, third interface and the 4th interface, the first interface and the compressor Gas returning port connection, the second interface connect with the exhaust outlet of the compressor, the third interface and the outdoor heat exchange 4th refrigerant interface of device connects, and the 4th interface is connect with the second refrigerant interface.
4. air-conditioning system as claimed any one in claims 1 to 3, which is characterized in that the indoor unit further include:
First shell, the first refrigerant interface and the second refrigerant interface are set to the first shell, the first shell It is additionally provided with the first air inlet and the first air outlet;
Second shell is set in the first shell, and the second shell is equipped with the first ventilation opening being oppositely arranged and second and leads to Air port, the First Heat Exchanger and second heat exchanger are set in the second shell, and the First Heat Exchanger is close to institute The setting of the first ventilation opening is stated, second heat exchanger is arranged close to second ventilation opening;
Switching device is flowed to, is set between the first shell and the second shell, so that into the sky of the first shell Gas switches between the first flow direction and the second flow direction, and first flow direction is air followed by first air inlet, described First ventilation opening, second ventilation opening and first air outlet, second flow direction are air followed by described first Air inlet, second ventilation opening, first ventilation opening and first air outlet.
5. air-conditioning system as claimed in claim 4, which is characterized in that it is logical to be formed with connection described first in the second shell First air duct in air port and second ventilation opening, forms between the outer wall of the second shell and the inner wall of the first shell There is the second air duct, second air duct is isolated into the first sub-air channel and the second sub-air channel by the switching device that flows to, described First sub-air channel has the second air inlet and the second air outlet, and second sub-air channel has third air inlet and third outlet air Mouthful;
Second air inlet of first sub-air channel is connected to first air inlet, the third air outlet of second sub-air channel It is connected to first air outlet;
The flow shifting device is configured to switch between the first location and the second location;
In the first position, the flow shifting device is closed logical between second air outlet and second ventilation opening Road, and the flow shifting device closes the channel between the third air inlet and first ventilation opening, so that into institute The air of first shell is stated with the first flow direction flowing;
In the second position, the flow shifting device is opened logical between second air outlet and second ventilation opening Road, and the flow shifting device opens the channel between the third air inlet and first ventilation opening, so that into institute The air of first shell is stated with the second flow direction flowing.
6. air-conditioning system as claimed in claim 5, which is characterized in that first air inlet and first air outlet are opposite Setting, first ventilation opening are arranged close to first air inlet, and second ventilation opening is set close to first air outlet It sets.
7. air-conditioning system as claimed in claim 6, which is characterized in that the flow shifting device includes the first air-valve and second Air-valve, first air-valve include the first rotation section and the first baffle that connect with first rotation section, first rotation Portion is rotationally connected with the edge of first air inlet, and the first baffle is located at described far from one end of first rotation section In first ventilation opening;
Second air-valve includes the second rotation section and the second baffle that connect with second rotation section, second rotation section It is rotationally connected with the edge of first air outlet, the second baffle is located at described the far from one end of second rotation section In two ventilation openings;
When the first baffle is limited in edge of first ventilation opening close to first rotation section, and the second baffle When being limited in edge of second ventilation opening close to second rotation section, the first position is formed;
When the first baffle is limited in edge of first ventilation opening far from first rotation section, and the second baffle When being limited in edge of second ventilation opening far from second rotation section, the second position is formed.
8. a kind of air conditioning control method, based on the air-conditioning system as described in any one of claims 1 to 7, which is characterized in that institute State air conditioning control method the following steps are included:
Obtain the fisrt feature parameter of First Heat Exchanger thermal load demands;
It is run according to the fisrt feature state modulator by-passing valve.
9. air conditioning control method as claimed in claim 8, which is characterized in that in the air-conditioning system include second throttling device When, the air conditioning control method further include:
Obtain the current operational mode of air-conditioning system:
When the operational mode is refrigeration mode or heating mode, the second feature of the thermal load of air-conditioning system demand is obtained Parameter;
Judge whether the second feature parameter is less than or equal to preset threshold;
It is closed if so, controlling the second throttling device;
It is opened if it is not, then controlling the second throttling device.
10. air conditioning control method as claimed in claim 9, which is characterized in that include flow direction switching dress in the air-conditioning system When setting, after described the step of obtaining air-conditioning system current operational mode, further includes:
The target flow direction of the air in indoor unit is determined according to the operational mode;
Switching device operation is flowed to according to the target traffic organising.
11. air conditioning control method as claimed in claim 10, which is characterized in that described to determine interior according to the operational mode The step of target of air in machine flows to include:
When the operational mode is first mode, determine the target flow direction for the first flow direction;
When the operational mode is second mode, determine the target flow direction for the second flow direction.
12. a kind of air conditioning control device, which is characterized in that the air conditioning control device includes: memory, processor and is stored in On the memory and the air-conditioning control program that can run on the processor, the air-conditioning control program is by the processor The step of air conditioning control method as described in any one of claim 8 to 11 is realized when execution.
13. a kind of readable storage medium storing program for executing, which is characterized in that air-conditioning control program is stored on the readable storage medium storing program for executing, it is described The step of the air conditioning control method as described in any one of claim 8 to 11 is realized when air-conditioning control program is executed by processor Suddenly.
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