CN109708266A - Air-valve control method and air-conditioning system - Google Patents
Air-valve control method and air-conditioning system Download PDFInfo
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- CN109708266A CN109708266A CN201811646240.3A CN201811646240A CN109708266A CN 109708266 A CN109708266 A CN 109708266A CN 201811646240 A CN201811646240 A CN 201811646240A CN 109708266 A CN109708266 A CN 109708266A
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Abstract
The invention discloses a kind of air-valve control method and air-conditioning systems.Air-conditioning system includes outdoor unit and fan housing, and fan housing is arranged in outdoor unit, and fan housing is provided with air-valve.Air-valve control method includes: in air-conditioning system operation, and control air-valve is opened；According to the aperture of the rotation speed of fan of outdoor unit and default rotation speed of fan adjusting air valve；And/or according to the system pressure of air-conditioning system, the aperture of goal systems pressure and rotation speed of fan adjusting air valve.The adjustable air quantity of air-valve, to adjust the heat dissipation capacity of outdoor unit.Wherein, the aperture of air-valve is adjusted according to rotation speed of fan, and blower can keep preferable working efficiency, advantageously reduces fan energy consumption, increases fan life.The aperture of air-valve is adjusted according to system pressure, goal systems pressure and rotation speed of fan, adjustable outdoor unit heat dissipation capacity, so that control system pressure extends air-conditioning system application range to meet the needs of air-conditioning system is freezed or heated at low ambient temperatures.
Description
Technical field
The present invention relates to air conditioner technical field, in particular to a kind of air-valve control method and air-conditioning system.
Background technique
With being continuously increased for the market demand, the air-conditioning of (being, for example, less than subzero 15 degrees Celsius) when ambient temperature is lower
System cooling capacity is increasingly by the concern of user.In extraneous low temperature environment, the condensation temperature of outdoor condenser and outer
Boundary's environment temperature temperature difference is too big, and condensation heat dissipation capacity is too big, be easy to cause system high pressure low pressure low, heat exchanger hydrops, compressor
The a series of problem such as difficulty in starting.Therefore, how to meet the refrigeration demand of air-conditioning system at low ambient temperatures, extension refrigeration fortune
Line range becomes technical problem to be solved.
Summary of the invention
Embodiments of the present invention provide a kind of air-valve control method and air-conditioning system.
The air-valve control method of embodiment of the present invention is used for air-conditioning system, and the air-conditioning system includes outdoor unit and wind
Cover, the fan housing are arranged in the outdoor unit, and the fan housing is provided with air-valve, and the air-valve control method includes:
In air-conditioning system operation, controls the air-valve and open；
The aperture of the air-valve is adjusted according to the rotation speed of fan of the outdoor unit and default rotation speed of fan；And/or
Opening for the air-valve is adjusted according to the system pressure of the air-conditioning system, goal systems pressure and the rotation speed of fan
Degree.
In the air-valve control method of above embodiment, the outdoor unit of air-conditioning system can pass through blower and fan housing and the external world
Heat exchange, the adjustable air quantity of air-valve, to adjust the heat dissipation capacity of outdoor unit.Wherein, the aperture of air-valve is adjusted according to rotation speed of fan
Section, blower can keep preferable working efficiency, advantageously reduce fan energy consumption, increase fan life.The aperture of air-valve according to
System pressure, goal systems pressure and rotation speed of fan are adjusted, adjustable outdoor unit heat dissipation capacity, so that control system pressure is with full
The demand that sufficient air-conditioning system is freezed or heated at low ambient temperatures, extends air-conditioning system application range.
In some embodiments, described in air-conditioning system operation, controlling the step of air-valve is opened includes
Following at least one: condensing pressure when being opened according to the air-conditioning system controls the aperture of the air-valve；According to the air-conditioning
Environment temperature when system is opened controls the aperture of the air-valve；It is controlled with energy requirement when being opened according to the air-conditioning system
The aperture of the air-valve.
In some embodiments, described that the wind is adjusted according to the rotation speed of fan of the outdoor unit and default rotation speed of fan
The step of aperture of valve includes: the rotation speed of fan for obtaining the outdoor unit；Compare the rotation speed of fan and the default blower turns
The size of speed；With when the rotation speed of fan is greater than the default rotation speed of fan, the aperture for controlling the air-valve increases, described
When rotation speed of fan is not more than the default rotation speed of fan, controls the air-valve and keep current aperture.
In some embodiments, the system pressure includes condensing pressure, and the goal systems pressure includes that target is cold
Solidifying pressure, it is described that the air-valve is adjusted according to the system pressure of the air-conditioning system, goal systems pressure and the rotation speed of fan
Aperture the step of include: when the air-conditioning system is in refrigeration mode, according to the condensing pressure, the target condensation pressure
Power and the rotation speed of fan adjust the aperture of the air-valve.
In some embodiments, described when the air-conditioning system is in refrigeration mode, according to the condensing pressure, institute
State target condensing pressure and the step of rotation speed of fan adjusts the aperture of the air-valve include: the condensing pressure with it is described
When the absolute value of the difference of target condensing pressure is not more than the first preset value, controls the air-valve and keep current aperture；Described
The absolute value of condensing pressure and the difference of the target condensing pressure is greater than first preset value and the condensing pressure is not small
When the target condensing pressure, the aperture for controlling the air-valve increases；It is pressed in the condensing pressure and target condensation
The absolute value of the difference of power judges institute greater than first preset value and when the condensing pressure is less than the target condensing pressure
State whether rotation speed of fan meets the first preset condition, when the rotation speed of fan meets first preset condition, described in control
The aperture of air-valve reduces, and when the rotation speed of fan is unsatisfactory for first preset condition, controls the air-valve holding and currently opens
Degree.
In some embodiments, the system pressure includes evaporating pressure, and the goal systems pressure includes that target is steamed
Pressure is sent out, it is described that the air-valve is adjusted according to the system pressure of the air-conditioning system, goal systems pressure and the rotation speed of fan
Aperture the step of include: when the air-conditioning system is in heating mode, according to the evaporating pressure, the target vapor pres- sure
Power and the rotation speed of fan adjust the aperture of the air-valve.
In some embodiments, described when the air-conditioning system is in heating mode, according to the evaporating pressure, institute
State target evaporating pressure and the step of rotation speed of fan adjusts the aperture of the air-valve include: the evaporating pressure with it is described
When the absolute value of the difference of target evaporating pressure is not more than the second preset value, controls the air-valve and keep current aperture；Described
The absolute value of evaporating pressure and the difference of the target evaporating pressure is greater than second preset value and the evaporating pressure is less than
When the target evaporating pressure, the aperture for controlling the air-valve increases；With in the evaporating pressure and the target evaporating pressure
The absolute value of difference when being greater than second preset value and the evaporating pressure and being not less than the target evaporating pressure, judge institute
State whether rotation speed of fan meets the second preset condition, when the rotation speed of fan meets second preset condition, described in control
The aperture of air-valve reduces, and when the rotation speed of fan is unsatisfactory for second preset condition, controls the air-valve holding and currently opens
Degree.
In some embodiments, the air-valve includes motor and air valve blades, and the motor connects the air valve blades,
The motor is used to control the rotational angle of the air valve blades to adjust the aperture of the air-valve, the aperture of the air-valve and institute
Voltage or the electric current for stating motor are related.
The air-conditioning system of embodiment of the present invention includes outdoor unit, fan housing and control device, and the fan housing is arranged described
Outdoor unit, the fan housing are provided with air-valve, and the control device is used to control the air-valve in air-conditioning system operation and open
It opens, and adjusts the aperture of the air-valve for the rotation speed of fan and default rotation speed of fan according to the outdoor unit, and/or be used for root
The aperture of the air-valve is adjusted according to the system pressure of the air-conditioning system, goal systems pressure and the rotation speed of fan.
In the air-conditioning system of above embodiment, the outdoor unit of air-conditioning system can be changed by blower and fan housing with the external world
Heat, the adjustable air quantity of air-valve, to adjust the heat dissipation capacity of outdoor unit.Wherein, the aperture of air-valve is adjusted according to rotation speed of fan,
Blower can keep preferable working efficiency, advantageously reduce fan energy consumption, increase fan life.The aperture of air-valve is according to system
Pressure, goal systems pressure and rotation speed of fan are adjusted, adjustable outdoor unit heat dissipation capacity, so that control system pressure is to meet sky
The demand that adjusting system freezes or heats at low ambient temperatures, extends air-conditioning system application range.
In some embodiments, the control device is used for following at least one when opening according to the air-conditioning system
The aperture of the air-valve: condensing pressure, environment temperature and energy requirement is opened in control.
In some embodiments, the control device is used to obtain the rotation speed of fan of the outdoor unit, and for comparing
The size of the rotation speed of fan and the default rotation speed of fan, and for turning in the rotation speed of fan greater than the default blower
When fast, the aperture for controlling the air-valve increases, and when the rotation speed of fan is not more than the default rotation speed of fan, controls the wind
Valve keeps current aperture.
In some embodiments, the system pressure includes condensing pressure, and the goal pressure includes target condensation pressure
Power, the control device are used for when the air-conditioning system is in refrigeration mode, are condensed according to the condensing pressure, the target
Pressure and the rotation speed of fan adjust the aperture of the air-valve.
In some embodiments, the control device is used for the difference in the condensing pressure and the target condensing pressure
When the absolute value of value is not more than the first preset value, controls the air-valve and keep current aperture, and for the condensing pressure with
The absolute value of the difference of the target condensing pressure is greater than first preset value and the condensing pressure is not less than the target
When condensing pressure, the aperture for controlling the air-valve increases, and in the condensing pressure and the target condensing pressure
The absolute value of difference judges the wind greater than first preset value and when the condensing pressure is less than the target condensing pressure
Whether machine revolving speed meets the first preset condition, when the rotation speed of fan meets first preset condition, controls the air-valve
Aperture reduce, when the rotation speed of fan is unsatisfactory for first preset condition, controls the air-valve and keep current aperture.
In some embodiments, the system pressure includes evaporating pressure, and the goal systems pressure includes that target is steamed
Pressure is sent out, the control device is used for when the air-conditioning system is in heating mode, according to the evaporating pressure, the target
Evaporating pressure and the rotation speed of fan adjust the aperture of the air-valve.
In some embodiments, the control device is used for the difference in the evaporating pressure and the target evaporating pressure
When the absolute value of value is not more than the second preset value, controls the air-valve and keep current aperture, and for the evaporating pressure with
The absolute value of the difference of the target evaporating pressure is greater than second preset value and the evaporating pressure is steamed less than the target
When sending out pressure, the aperture for controlling the air-valve increases, and for the difference in the evaporating pressure and the target evaporating pressure
The absolute value of value judges the wind greater than second preset value and when the evaporating pressure is not less than the target evaporating pressure
Whether machine revolving speed meets the second preset condition, when the rotation speed of fan meets second preset condition, controls the air-valve
Aperture reduce, when the rotation speed of fan is unsatisfactory for second preset condition, controls the air-valve and keep current aperture.
In some embodiments, the air-valve includes motor and air valve blades, and the motor connects the air valve blades,
The motor is used to control the rotational angle of the air valve blades to adjust the aperture of the air-valve, the aperture of the air-valve and institute
Voltage or the electric current for stating motor are related.
The air-conditioning system of embodiment of the present invention includes outdoor unit, fan housing, processor and memory, and the fan housing setting exists
The outdoor unit, the fan housing are provided with air-valve, and the memory is stored with air-valve control program, and the air-valve controls program quilt
The step of processor realizes air-valve control method described in any of the above-described embodiment when executing.
In the air-conditioning system of above embodiment, the outdoor unit of air-conditioning system can be changed by blower and fan housing with the external world
Heat, air quantity is adjusted in the aperture that processor execution air-valve control program can be used for adjusting air valve, to adjust outdoor unit
Heat dissipation capacity.Wherein, the aperture of air-valve is adjusted according to rotation speed of fan, and blower can keep preferable working efficiency, is conducive to
Fan energy consumption is reduced, fan life is increased.The aperture of air-valve is adjusted according to system pressure, goal systems pressure and rotation speed of fan,
Adjustable outdoor unit heat dissipation capacity, so that control system pressure is to meet the need that air-conditioning system is freezed or heated at low ambient temperatures
It asks, extends air-conditioning system application range.
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 module diagram of the air-conditioning system of embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the fan housing of embodiment of the present invention.
Fig. 3 is the flow diagram of the air-valve control method of embodiment of the present invention.
Fig. 4 is another flow diagram of the air-valve control method of embodiment of the present invention.
Fig. 5 is the another flow diagram of the air-valve control method of embodiment of the present invention.
Fig. 6 is another flow diagram of the air-valve control method of embodiment of the present invention.
Fig. 7 is another flow diagram of the air-valve control method of embodiment of the present invention.
Fig. 8 is another module diagram of the air-conditioning system of embodiment of the present invention.
Main element symbol description:
Air-conditioning system 10, outdoor unit 11, blower 112, outdoor heat exchanger 114, fan housing 12, air-valve 122, motor 1222, wind
Valve blade 1224, air port 124, control device 13, indoor unit 14, indoor heat exchanger 142, compressor 15, pressure sensor 16, place
Manage device 17, memory 18.
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 the present invention, it is to be understood that, term " center ", "left", "right", "inner", "outside", etc. instructions
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, 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 the description of the present invention, " more
It is a " it is meant that 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.
Also referring to Fig. 1 to Fig. 3, the air-conditioning system 10 of embodiment of the present invention includes outdoor unit 11, fan housing 12 and control
Device 13 processed, fan housing 12 are arranged in outdoor unit 11, and fan housing 12 is provided with air-valve 122.The air-valve controlling party of embodiment of the present invention
Method can be applied to the air-conditioning system 10 of embodiment of the present invention, and in other words, the air-conditioning system 10 of embodiment of the present invention can
The aperture of air-valve 122 is controlled with the air-valve control method of embodiment through the invention.
Specifically, air-valve control method includes:
Step S1, when air-conditioning system 10 is run, control air-valve 122 is opened；
Step S2, according to the aperture of the rotation speed of fan of outdoor unit 11 and default rotation speed of fan adjusting air valve 122；With
Step S3, according to opening for the system pressure of air-conditioning system 10, goal systems pressure and rotation speed of fan adjusting air valve 122
Degree.
When air-valve control method is applied to air-conditioning system 10, step S1, step S2 and step S3 can be by air-conditioning system 10
Control device 13 realize.Control device 13 can be used for when air-conditioning system 10 is run, and control air-valve 122 is opened, and is used for
According to the aperture of the rotation speed of fan of outdoor unit 11 and default rotation speed of fan adjusting air valve 122, and for according to air-conditioning system 10
System pressure, goal systems pressure and rotation speed of fan adjusting air valve 122 aperture.
In the air-valve control method and air-conditioning system 10 of embodiment of the present invention, outdoor unit 11 can pass through 112 He of blower
Fan housing 12 and extraneous heat exchange, the adjustable air quantity of air-valve 122, to adjust the heat dissipation capacity of outdoor unit 11.Wherein, air-valve 122 is opened
Degree is adjusted according to rotation speed of fan, and blower 112 can keep preferable working efficiency, advantageously reduces 112 energy consumption of blower, increases
Add 112 service life of blower.The aperture of air-valve 122 is adjusted according to system pressure, goal systems pressure and rotation speed of fan, adjustable room
Outer 11 heat dissipation capacity of machine, so that control system pressure to meet the needs of air-conditioning system 10 is freezed or heated at low ambient temperatures, expands
10 application range of air-conditioning system is opened up.
It is appreciated that air-conditioning system 10 can reach corresponding by the pressure difference between control condenser and evaporator
Refrigerating capacity.When air-conditioning system 10 is run, target temperature is can be set in user, and air-conditioning system 10 is run so that indoor environment temperature
Reach target temperature.In 10 operational process of air-conditioning system, air-conditioning system can be determined according to indoor environment temperature and target temperature
The goal systems pressure of system 10, the pressure difference under goal systems pressure between condenser and evaporator may be implemented to indoor ring
The adjusting of border temperature.
In the example of fig. 3, the aperture of air-valve 122 can according to the rotation speed of fan and default rotation speed of fan of outdoor unit 11,
And the rotation speed of fan of the system pressure of air-conditioning system 10, goal systems pressure and outdoor unit 11 is adjusted jointly, that is,
It says, the air-valve control method of Fig. 3 includes step S1, S2 and S3.It is appreciated that in other examples, the aperture of air-valve 122 can be with
It is individually adjusted according to the rotation speed of fan of outdoor unit 11 and default rotation speed of fan, that is to say, that air-valve control method includes step
S1 and step S2.In another example, the aperture of air-valve 122 can system pressure according to air-conditioning system 10, goal systems
The rotation speed of fan of pressure and outdoor unit 11 is individually adjusted, that is to say, that air-valve control method includes step S1 and step S3.
In some embodiments, air-conditioning system includes indoor unit 14, and air-conditioning system 10 can be multi-online air-conditioning system,
Multi-online air-conditioning system can be that two or more indoor units 14 realizes that refrigeration and/or heating are needed by single outdoor unit 11
It asks, can be applied in different environment, for example, large stadium, computer room and office space etc..Therefore, multi-online air-conditioning system
The refrigeration and/or heating needs under low temperature environment can be realized by air-valve control method, extend the application range of multi-connected machine.It can
To understand, in other embodiments, air-conditioning system 10 may also comprise single outdoor unit 11 and single indoor unit 14, or, air-conditioning
System 10 may include two or more outdoor units 11 and two or more indoor units 14.Exemplary air-conditioning system shown in FIG. 1
System 10 is multi-online air-conditioning system.
In some embodiments, air-conditioning system 10 includes compressor 15, and system pressure includes condensing pressure and vapor pres- sure
Power, goal systems pressure include target condensing pressure and target evaporating pressure.
Wherein, condensing pressure be compressor 15 exhaust outlet between condenser in any position refrigerant pressure；Evaporation
Pressure is the pressure of refrigerant in the gas returning port any position of evaporator to compressor 15.
In some embodiments, step S1 is comprised at least one of the following:
The aperture of condensing pressure control air-valve 122 when being opened according to air-conditioning system 10；
The aperture of environment temperature control air-valve 122 when being opened according to air-conditioning system 10；With
The aperture of energy requirement control air-valve 122 when being opened according to air-conditioning system 10.
For air-conditioning system 10, control device 13 can be used for condensing pressure, environment when opening according to air-conditioning system 10
The aperture of at least one of temperature and energy requirement control air-valve 122.
Specifically, the original operating state when aperture of air-valve 122 can be opened according to air-conditioning system 10, which is tentatively opened, to be arrived
Certain angle, original operating state when air-conditioning system 10 is opened includes the shapes such as condensing pressure, environment temperature and/or energy requirement
State, wherein environment temperature includes indoor environment temperature and/or outdoor environment temperature, and energy requirement includes that refrigeration can be needed and/or be made
Thermal energy needs.Then in 10 operational process of air-conditioning system, according to the further adjusting air valve 122 of the working condition of air-conditioning system 10
Aperture, so that the rotation speed of fan of the aperture of air-valve 122 and outdoor unit 11, system pressure cooperate, so that air-conditioning system 10 meets
The demand freezed under low temperature environment and/or heated, extends 10 application range of air-conditioning system.
It should be noted that condensing pressure when control device 13 can be opened according to air-conditioning system 10 controls air-valve 122
Aperture,；Or control device 13 can according to air-conditioning system 10 open when environment temperature control air-valve 122 aperture；Or control
The aperture of energy requirement control air-valve 122 when device 13 processed can be opened according to air-conditioning system 10；Or control device 13 can be with
The aperture of condensing pressure and environment temperature control air-valve 122 when being opened according to air-conditioning system 10；Or control device 13 can root
The aperture of condensing pressure and energy requirement control air-valve 122 when being opened according to air-conditioning system 10；Or control device 13 can basis
The aperture of environment temperature and energy requirement control valve 122 when air-conditioning system 10 is opened；Or control device 13 can be according to air-conditioning
The aperture of condensing pressure, environment temperature and energy requirement control valve 122 when system 10 is opened.
Certainly, in other embodiments, control device 13 can be when air-conditioning system 10 be opened, and control air-valve 122 is straight
Unlatching is connect to default aperture.Then the aperture of air-valve 122 is adjusted further according to the working condition of air-conditioning system 10, herein not
It is specifically limited.
In some embodiments, air-valve 122 includes motor 1222 and air valve blades 1224, and motor 1222 connects air-valve leaf
Piece 1224, motor 1222 are used to control the rotational angle of air valve blades 1224 with the aperture of adjusting air valve 122, wherein air-valve 122
Aperture it is related to the voltage of motor 1222.
Specifically, fan housing 12 offers air port 124, and for the setting of air valve blades 1224 in air port 124, air valve blades 1224 can be with
Air port 124 is blocked or opens, the size that air port 124 is opened is related to the rotational angle of air valve blades 1224, i.e. 122 aperture of air-valve
It is related to the rotational angle of air valve blades 1224.In this way, control device 13 can control air valve blades 1224 by motor 1222
Rotational angle with the aperture of adjusting air valve 122.Wherein it is possible to by the voltage of adjusting motor 1222 to 1224 turns of air valve blades
Axis provides different torques to control the rotational angle of air valve blades 1224.
In one example, motor 1222 is driven by way of power supply power supply, each voltage of driving motor 1222
A corresponding Motor torque, to correspond to the rotational angle of an air valve blades 1224 when driving air valve blades 1224.In this way,
Control device 13 can prestore the corresponding relationship of the voltage of motor 1222 and the rotational angle of air valve blades 1224, control device
13 can realize the control of 122 different opening of air-valve by preset voltage value, in the rotational angle range of air valve blades 1224,
The quantity of preset voltage value is more, and the aperture control of control air-valve 122 is finer.
The relationship of 1224 rotational angle of voltage and air valve blades of motor 1222 is as shown in the table:
| Voltage | U1 | U2 | U3 | U4 | … | Un | |
| Rotational angle | A1 | A2 | A3 | A4 | … | An |
Wherein, U1-Un is the voltage of motor 1222, and A1-An is the rotational angle of air valve blades 1224.
Specifically, preferably, motor 1222 can be stepper motor 1222,1222 rotational angle of stepper motor is easy to control
System advantageously ensures that the accuracy of the aperture of control air-valve 122.It is appreciated that in other embodiments, motor 1222 may be used also
Select other types of motor.
In some embodiments, the differential seat angle between two neighboring rotational angle is identical.For example, in upper table, An-A
(n-1) arithmetic progression is formed.
Certainly, in other embodiments, motor 1222 can also be provided by size of current or current pulse frequency etc.
Different Motor torques to control to adjust the rotational angles of air valve blades 1224, i.e., the aperture of air-valve 122 can also and motor
1222 electric current is related, and electric current includes current value and/or current pulse frequency.Similarly, control device 13 can be by default
The control of realization 122 different opening of air-valve such as current value and/or predetermined current pulse frequency.
Referring to Fig. 4, in some embodiments, step S2 includes:
Step S22 obtains the rotation speed of fan of outdoor unit 11；
Step S24 compares the size of rotation speed of fan and default rotation speed of fan；With
Step S26, when rotation speed of fan is greater than default rotation speed of fan, the aperture of control air-valve 122 increases, in rotation speed of fan
When no more than default rotation speed of fan, control air-valve 122 keeps current aperture.
For air-conditioning system 10, step S22, step S24 and step S26 can be realized by control device 13, in other words,
Control device 13 can be used for obtaining the rotation speed of fan of outdoor unit 11, and for comparing the big of rotation speed of fan and default rotation speed of fan
It is small, and for when rotation speed of fan is greater than default rotation speed of fan, the aperture of control air-valve 122 to increase, little in rotation speed of fan
When default rotation speed of fan, control air-valve 122 keeps current aperture.
It is appreciated that outdoor unit 11 includes outdoor heat exchanger 114, the blower 112 of outdoor unit 11, which can be used for adjusting, to be passed through
The air quantity of outdoor unit 11, heat exchange air can be into or out from air port 124, since fan housing 12 is provided with air-valve 122, air-valve
122 aperture exchange hot-air air quantity have an impact, in 10 operational process of air-conditioning system, if the rotation speed of fan of outdoor unit 11 compared with
Height, and air-valve 122 it is initial aperture it is smaller, i.e. 122 aperture of air-valve and rotation speed of fan mismatches, and increases 112 energy of blower in this way
Consumption, meanwhile, it also will affect the service life of blower 112.
The rotation speed of fan of outdoor unit 11 usually can be needed to determine by environment temperature and air-conditioning system 10, if air-valve
122 apertures are smaller to exchange heat air air quantity it is smaller, be easy to cause that 11 heat exchange amount of outdoor unit is smaller and rotation speed of fan is higher, be
It protects blower 112 and guarantees the heat exchange amount of outdoor unit 11, control device 13 can be by control 122 aperture of air-valve to guarantee to exchange heat
The air quantity of air, to adjust the heat exchange amount of outdoor unit 11.
Referring to Fig. 5, specifically, in some embodiments, can determine whether air-valve 122 opens maximum opening,
When maximum opening is arrived in the unlatching of air-valve 122, influence of the aperture of air-valve 122 to 112 operational efficiency of blower is smaller, at this point it is possible to control
Air-valve 122 processed keeps current aperture.When the aperture of air-valve 122 does not open maximum, S22 is entered step.
In the example in the figures, the rotation speed of fan of outdoor unit 11 is Rout, and presetting rotation speed of fan is Rs, big in rotation speed of fan
When default rotation speed of fan, the aperture of air-valve 122 can control to increase by the first setting value, the first setting value is Δ E1.It is appreciated that
The specific value of first setting value can be selected out of a preset range.
In step S26, when the rotation speed of fan of outdoor unit 11 is greater than default rotation speed of fan, i.e. Rout > Rs, it is believed that
The rotation speed of fan of outdoor unit 11 is higher, and 122 aperture of air-valve will affect the working efficiency of blower 112, at this point it is possible to control air-valve
122 aperture increases by the first setting value Δ E1, increases the air quantity of outdoor unit 11.It is not more than in the rotation speed of fan of outdoor unit 11 default
When rotation speed of fan, i.e. Rout≤Rs, it is believed that the rotation speed of fan of outdoor unit 11 is lower, at this point, control device 13 can control
Air-valve 122 keeps current aperture.Particularly, during the aperture of adjusting air valve 122, the aperture of air-valve 122 reaches maximum and opens
When spending, the aperture of control air-valve 122 is remained unchanged.
Wherein, the work shape that the rotation speed of fan of outdoor unit 11 can be detected by rotation sensor or pass through air-conditioning system 10
State obtains.Default rotation speed of fan flexible configuration, the first setting value can flexibly match according to actual needs according to actual needs
It sets, is not specifically limited herein.
In some embodiments, step S2 include: every the first preset time according to the rotation speed of fan of outdoor unit 11 and
The aperture of default rotation speed of fan adjusting air valve 122.
For air-conditioning system 10, control device 13 can be used for being turned every the first preset time according to the blower of outdoor unit 11
The aperture of fast and default rotation speed of fan adjusting air valve 122.In this way, can according to air-conditioning system 10 different phase working condition
The aperture of timely adjusting air valve 122.
Wherein, the first preset time can be T1, and the first preset time T 1 can according to need flexible configuration, it is preferable that
First preset time T 1 can be 10-20 minutes, and the interval time of adjusting air valve 122 is moderate, it is possible to reduce blower 112 is for a long time
Fallback, meanwhile, the normal work for influencing outdoor unit 11 can be frequently adjusted to avoid the aperture of air-valve 122.
When air-conditioning system 10 is run, refrigeration mode and/or heating mode can be run according to demand.Refrigeration mode includes pure
Refrigeration mode and main refrigeration mode, heating mode include pure heating mode and main heating mode.It is pure for multi-online air-conditioning system
The indoor unit 14 that refrigeration mode can be unlatching is used to freeze；The part indoor unit 14 that main refrigeration mode can be unlatching is used for
Refrigeration, another part indoor unit 14 freeze and can need to can need greater than heating for heating.Pure heating mode can be the room of unlatching
Interior machine 14 is used to heat；The part indoor unit 14 that main heating mode can be unlatching is used to heat, another part indoor unit 14
For freezing, and heats to be greater than and freeze and can need.
Referring to Figure 6 together and Fig. 7, in some embodiments, step S3 includes:
Step S32 turns when air-conditioning system 10 is in refrigeration mode according to condensing pressure, target condensing pressure and blower
The aperture of fast adjusting air valve 122.
For air-conditioning system 10, step S32 can be realized by control device 13, and in other words, control device 13 can be used
In when air-conditioning system 10 is in refrigeration mode, according to condensing pressure, target condensing pressure and rotation speed of fan adjusting air valve 122
Aperture.
Specifically, indoor unit 14 includes indoor heat exchanger 142, when air-conditioning system 10 is in refrigeration mode, outdoor heat exchange
Device 114 can be condenser, and indoor heat exchanger 142 can be evaporator, and 15 compression refrigerant of compressor forms high temperature and high pressure gas,
Refrigerant forms low temperature and low pressure liquid through restricting element after outdoor exothermic condensation by condenser, then refrigerant heat exchanger indoors
142 evaporation endothermics form low temperature low pressure gas and return to compressor 15, so that indoor environment temperature declines, achieve the effect that refrigeration.
In this way, can be turned when air-conditioning system 10 is in refrigeration mode according to condensing pressure, target condensing pressure and blower
The aperture of fast adjusting air valve 122, to adjust the heat dissipation capacity of outdoor unit 11.Specifically, control device 13 can be pressed according to condensation
Whether the size relation and rotation speed of fan of power and target condensing pressure meet the aperture that preset condition carrys out adjusting air valve 122.
In some embodiments, air-conditioning system 10 includes pressure sensor 16, and pressure sensor 16 is for detecting condensation
Pressure and evaporating pressure.When air-conditioning system 10 is run, the condensing pressure and evaporating pressure detected by pressure sensor 16 can
To determine the actual cooling or heating capacity of air-conditioning system 10.
In some embodiments, step S32 includes:
Step S322, when condensing pressure and the absolute value of the difference of target condensing pressure are not more than the first preset value, control
Air-valve 122 processed keeps current aperture；
Step S324 is greater than the first preset value in condensing pressure and the absolute value of the difference of target condensing pressure and condensation is pressed
When power is not less than target condensing pressure, the aperture of control air-valve 122 increases；With
Step S326 is greater than the first preset value in condensing pressure and the absolute value of the difference of target condensing pressure and condensation is pressed
When power is less than target condensing pressure, judge whether rotation speed of fan meets the first preset condition, it is default to meet first in rotation speed of fan
When condition, the aperture of control air-valve 122 reduces, and when rotation speed of fan is unsatisfactory for the first preset condition, the control holding of air-valve 122 is worked as
Preceding aperture.
For air-conditioning system 10, step S322, step S324 and step S326 can be realized by control device 13, that is to say
It says, control device 13 can be used for the absolute value of the difference in condensing pressure Yu target condensing pressure no more than the first preset value
When, control air-valve 122 keeps current aperture, and is greater than for the absolute value in condensing pressure and the difference of target condensing pressure
When one preset value and condensing pressure are not less than target condensing pressure, the aperture of control air-valve 122 increases, and for pressing in condensation
When the absolute value of power and the difference of target condensing pressure is greater than the first preset value and condensing pressure less than target condensing pressure, judgement
Whether rotation speed of fan meets the first preset condition, and when rotation speed of fan meets the first preset condition, the aperture of control air-valve 122 subtracts
Small, when rotation speed of fan is unsatisfactory for the first preset condition, control air-valve 122 keeps current aperture.
In the example in the figures, condensing pressure Pd, target condensing pressure are Pds, condensing pressure and target condensing pressure
Difference be Δ Pdh=Pd-Pds, the first preset value is Δ Pdhs, in the absolute of condensing pressure and the difference of target condensing pressure
Greater than the first preset value and when condensing pressure is not less than target condensing pressure, the aperture of controllable air-valve 122 increases by second and sets value
Definite value, the second setting value are Δ E2, condensing pressure and the difference of target condensing pressure absolute value greater than the first preset value, cold
Solidifying pressure is less than target condensing pressure and when rotation speed of fan meets the first preset condition, and the aperture of air-valve 122 can control to reduce the
Three setting values, third setting value are Δ E3.It is appreciated that the specific value of the second setting value and third setting value can be pre- from one
If selection in range.
Specifically, control device 13 is used to calculate the difference of condensing pressure Yu target condensing pressure, and compares condensing pressure
With the absolute value of the difference of target condensing pressure and the size of the first preset value.In the difference of condensing pressure and target condensing pressure
Absolute value be not more than the first preset value when, i.e., | Δ Pdh |=| Pd-Pds |≤Δ Pdhs, it is believed that condensing pressure and target
Condensing pressure is not much different, at this point, the pressure difference of refrigerant can satisfy refrigeration between the condenser and evaporator of air-conditioning system 10
Demand, without the aperture of adjusting air valve 122, air-valve 122 keeps current aperture.
When condensing pressure and the absolute value of the difference of target condensing pressure are greater than the first preset value, i.e., | Δ Pdh |=|
Pd-Pds | > Δ Pdhs, control device 13 can be used for comparing the size of condensing pressure and target condensing pressure to judge reality
The relationship of refrigerating capacity and refrigeration demand.At this point, if condensing pressure is not less than target condensing pressure, i.e. Δ Pdh >=0 then can be with
Think that practical refrigerating capacity is greater than refrigeration demand, in this way, the aperture that control device 13 can control air-valve 122 increases by the second setting
It is worth Δ E2, so that condenser heat dissipation capacity increases, condensing pressure reduces, reduces the pressure difference of refrigerant between condenser and evaporator,
Reduce the practical refrigerating capacity of air-conditioning system 10.Wherein, the second setting value can flexible configuration according to actual needs, the second setting
Value can be identical as the first setting value or not identical.
It is greater than the first preset value in condensing pressure and the absolute value of the difference of target condensing pressure and condensing pressure is less than mesh
When marking condensing pressure, i.e., | Δ Pdh |=| Pd-Pds | > Δ Pdhs and Δ Pdh < 0, it is believed that practical refrigerating capacity is less than system
Cold demand, at this point, the heat dissipation capacity of outdoor unit 11 is larger, it is pre- that control device 13 can be used for judging whether rotation speed of fan meets first
If condition, and the revolving speed of blower 112 is combined to control air-valve 122.When rotation speed of fan meets the first preset condition, control
The aperture that device 13 can be used for controlling air-valve 122 reduces third setting value Δ E3, to reduce the air quantity of outdoor unit 11, so that room
The heat dissipation capacity of outer machine 11 reduces.When rotation speed of fan is unsatisfactory for the first preset condition, control device 13 can control the guarantor of air-valve 122
Current aperture is held, and uses the heat dissipation capacity of other modes reduction outdoor unit 11.For example, air-conditioning system 10 can pass through rotation speed of fan
Control logic control outdoor unit 11 convert rotation speed of fan to reduce the heat dissipation capacity of outdoor unit 11.
Wherein, third setting value can flexible configuration according to actual needs, third setting value can with the first setting value and/
Or second setting value it is identical or not identical.
Specifically, judge whether rotation speed of fan meets the first preset condition and can be and judge whether rotation speed of fan is minimum wind
Machine revolving speed.In other words, it is greater than the first preset value, condensing pressure in condensing pressure and the absolute value of the difference of target condensing pressure
Less than target condensing pressure and when rotation speed of fan is minimum rotation speed of fan, for the heat dissipation capacity for reducing outdoor unit 11, air-conditioning system 10
It can be by reducing 122 aperture of air-valve to reduce the air quantity of outdoor unit 11.In condensing pressure and the difference of target condensing pressure
When absolute value is greater than the first preset value, condensing pressure is less than target condensing pressure and rotation speed of fan is not minimum rotation speed of fan, it is
Reduce the heat dissipation capacity of outdoor unit 11, air-conditioning system 10 can reduce the air quantity of outdoor unit 11, air-valve by transformation rotation speed of fan
122 can keep current aperture.
Particularly, at low ambient temperatures, when air-conditioning system 10 is in refrigeration mode, the refrigerant of high temperature and pressure is in outdoor unit 11
Heat release is easy so that condensing pressure is lower, correspondingly, evaporating pressure is lower, influences air-conditioning if the heat dissipation capacity of outdoor unit 11 is excessive
The refrigerating capacity of system 10.Air-conditioning system 10 of the invention can control the air quantity of outdoor unit 11 by air-valve 122, in conjunction with blower
The heat dissipation capacity of rotational speed regulation outdoor unit 11 increases condensing pressure, so that air-conditioning system 10 has preferable system at low ambient temperatures
Cold energy power.
It should be noted that first comparing the difference of condensing pressure Yu target condensing pressure in flow diagram shown in Fig. 7
The size of the absolute value of value and the first preset value, then compare the size of condensing pressure Yu target condensing pressure.In other embodiment party
In formula, it can first compare the size of condensing pressure Yu target condensing pressure, then compare the difference of condensing pressure Yu target condensing pressure
The size of the absolute value of value and the first preset value；Or compare simultaneously the difference of condensing pressure and target condensing pressure absolute value and
The size and condensing pressure of first preset value and the size of target condensing pressure, are not specifically limited herein.
In some embodiments, step S3 includes:
Step S34 turns when air-conditioning system 10 is in heating mode according to evaporating pressure, target evaporating pressure and blower
The aperture of fast adjusting air valve 122.
For air-conditioning system 10, step S34 can be realized by control device 13, and in other words, control device 13 can be used
In when air-conditioning system 10 is in heating mode, according to evaporating pressure, target evaporating pressure and rotation speed of fan adjusting air valve 122
Aperture.
When air-conditioning system 10 is in heating mode, outdoor heat exchanger 114 can be evaporator, and indoor heat exchanger 142 can
Think that condenser, 15 compression refrigerant of compressor form high temperature and high pressure gas, refrigerant after condenser indoors exothermic condensation by passing through
Restricting element forms low temperature and low pressure liquid, so that indoor environment temperature rises, achievees the effect that heating, then refrigerant is changed in outdoor
Hot 114 evaporation endothermic of device forms low temperature low pressure gas and returns to compressor 15.
In this way, can be turned when air-conditioning system 10 is in heating mode according to evaporating pressure, target evaporating pressure and blower
The aperture of fast adjusting air valve 122, to adjust the heat dissipation capacity of outdoor unit 11.Specifically, control device 13 can be according to vapor pres- sure
Whether the size relation and rotation speed of fan of power and target evaporating pressure meet the aperture that preset condition carrys out adjusting air valve 122.
In some embodiments, step S34 includes:
Step S342, when evaporating pressure and the absolute value of the difference of target evaporating pressure are not more than the second preset value, control
Air-valve 122 processed keeps current aperture；
Step S344 is greater than the second preset value and vapor pres- sure in evaporating pressure and the absolute value of the difference of target evaporating pressure
When power is less than target evaporating pressure, the aperture of control air-valve 122 increases；With
Step S346 is greater than the second preset value and vapor pres- sure in evaporating pressure and the absolute value of the difference of target evaporating pressure
When power is not less than target evaporating pressure, judge whether rotation speed of fan meets the second preset condition, it is pre- to meet second in rotation speed of fan
If when condition, the aperture of control air-valve 122 reduces, when rotation speed of fan is unsatisfactory for the second preset condition, control air-valve 122 is kept
Current aperture.
For air-conditioning system 10, step S342, step S344 and step S346 can be realized by control device 13, that is to say
It says, control device 13 can be used for the absolute value of the difference in evaporating pressure Yu target evaporating pressure no more than the second preset value
When, control air-valve 122 keeps current aperture, and is greater than for the absolute value in evaporating pressure and the difference of target evaporating pressure
When two preset values and evaporating pressure are less than target evaporating pressure, the aperture of control air-valve 122 increases, and in evaporating pressure
It is greater than the second preset value with the absolute value of the difference of target evaporating pressure and when evaporating pressure is not less than target evaporating pressure, judgement
Whether rotation speed of fan meets the second preset condition, and when rotation speed of fan meets the second preset condition, the aperture of control air-valve 122 subtracts
Small, when rotation speed of fan is unsatisfactory for the second preset condition, control air-valve 122 keeps current aperture.
In one example, evaporating pressure Ps, target evaporating pressure are Pss, condensing pressure and target condensing pressure
Difference is Δ Psh=Ps-Pss, and the second preset value is Δ Pshs, in the absolute value of evaporating pressure and the difference of target evaporating pressure
Greater than the second preset value and when evaporating pressure is less than target evaporating pressure, the aperture of air-valve 122 can control to increase by the 4th setting value,
4th setting value is Δ E4；It is greater than the second preset value, vapor pres- sure in evaporating pressure and the absolute value of the difference of target evaporating pressure
Power can control the aperture of air-valve 122 to reduce the 5th not less than target evaporating pressure and when rotation speed of fan meets the second preset condition
Setting value, the 5th setting value are Δ E5.It is appreciated that the 4th setting value and the 5th setting value can be selected out of agriculture one preset range
It selects.
Specifically, control device 13 is used to calculate the difference of evaporating pressure Yu target evaporating pressure, and compares evaporating pressure
With the absolute value of the difference of target evaporating pressure and the size of the second preset value.In the difference of evaporating pressure and target evaporating pressure
Absolute value be not more than the second preset value when, i.e., | Δ Psh |=| Ps-Pss |≤Δ Pshs, it is believed that evaporating pressure and target
Evaporating pressure is not much different, at this point, the pressure difference of refrigerant can satisfy heating between the condenser and evaporator of air-conditioning system 10
Demand, the aperture without adjusting air valve 122.Wherein, the second preset value can flexible configuration according to actual needs.Second preset value
It can be identical with the first preset value or not identical.
When evaporating pressure and the absolute value of the difference of target evaporating pressure are greater than the second preset value, i.e., | Δ Psh |=|
Ps-Pss | > Δ Pshs, control device 13 can be used for comparing the size of evaporating pressure and target evaporating pressure to judge reality
The relationship of heating capacity and heating needs.At this point, i.e. Δ Psh < 0 can then recognize if evaporating pressure is less than target evaporating pressure
It is greater than heating needs for practical heating capacity, in this way, the aperture that control device 13 can control air-valve 122 increases by the 4th setting value
Δ E4 reduces the pressure of refrigerant between condenser and evaporator so that evaporator caloric receptivity increases, evaporating pressure increases, and reduces
The practical heating capacity of air-conditioning system 10.Wherein, the 4th setting value can flexible configuration according to actual needs, the 4th setting value can
With identical or not identical as the first setting value, the second setting value and/or third setting value.
It is greater than the second preset value in the absolute value of evaporating pressure and the difference of target evaporating pressure and evaporating pressure is not less than
When target evaporating pressure, i.e., | Δ Psh |=| Ps-Pss | > Δ Pshs and Δ Pdh >=0, it is believed that practical heating capacity is less than
Heating needs, at this point, the caloric receptivity of outdoor unit 11 is larger, control device 13 can be used for judging whether rotation speed of fan meets second
Preset condition controls air-valve 122 in conjunction with the revolving speed of blower 112.When rotation speed of fan meets the second preset condition, control
The aperture that device 13 can be used for controlling air-valve 122 reduces the 5th setting value Δ E5, to reduce the air quantity of outdoor unit 11, so that room
The caloric receptivity of outer machine 11 reduces.When rotation speed of fan is unsatisfactory for the second preset condition, control device 13 can control the guarantor of air-valve 122
Current aperture is held, and uses the caloric receptivity of other modes reduction outdoor unit 11.For example, air-conditioning system 10 can pass through rotation speed of fan
Control logic control outdoor unit 11 convert rotation speed of fan to reduce the caloric receptivity of outdoor unit 11.
Wherein, the second preset condition can be identical with the first preset condition or not identical.5th setting value can be according to reality
Border needs flexible configuration, and the 5th setting value can be with the first setting value, the second setting value, third setting value and/or the 4th setting
It is worth identical or not identical.
Specifically, in present embodiment, the second preset condition is identical with the first preset condition, judges whether rotation speed of fan is full
The second preset condition of foot, which can be, judges whether rotation speed of fan is minimum rotation speed of fan.In other words, in evaporating pressure and target
The absolute value of the difference of evaporating pressure is greater than the second preset value, evaporating pressure not less than target evaporating pressure and rotation speed of fan is most
When small rotation speed of fan, for the caloric receptivity for reducing outdoor unit 11, air-conditioning system 10 can be by reducing 122 aperture of air-valve to reduce room
The air quantity of outer machine 11.It is greater than the second preset value, evaporating pressure not in evaporating pressure and the absolute value of the difference of target evaporating pressure
Less than target evaporating pressure and when rotation speed of fan is not minimum rotation speed of fan, for the caloric receptivity for reducing outdoor unit 11, air-conditioning system
10 can reduce the air quantity of outdoor unit 11 by transformation rotation speed of fan, and air-valve 122 can keep current aperture.
Particularly, at low ambient temperatures, when air-conditioning system 10 is in heating mode, refrigerant absorbs heat in outdoor unit 11, if room
The caloric receptivity of outer machine 11 is excessive, is easy to influence the heating capacity of air-conditioning system 10 so that evaporating pressure is higher.Air-conditioning of the invention
System 10 can control the air quantity of outdoor unit 11 by air-valve 122, and the caloric receptivity of outdoor unit 11 is adjusted in conjunction with rotation speed of fan, so that
Air-conditioning system 10 has preferable heating capacity at low ambient temperatures.
It should be noted that first comparing the difference of evaporating pressure Yu target evaporating pressure in flow diagram shown in Fig. 7
The size of the absolute value of value and the second preset value, then compare the size of evaporating pressure Yu target evaporating pressure.In other embodiment party
In formula, it can first compare the size of evaporating pressure Yu target evaporating pressure, then compare the difference of evaporating pressure Yu target evaporating pressure
The size of the absolute value of value and the second preset value；Or compare simultaneously the difference of evaporating pressure and target evaporating pressure absolute value and
The size and evaporating pressure of second preset value and the size of target evaporating pressure, are not specifically limited herein.
In some embodiments, step S3 include: every the second preset time according to the system pressure of air-conditioning system 10,
The aperture of goal systems pressure and rotation speed of fan adjusting air valve 122.
For air-conditioning system 10, control device 13 can be used for the system every the second preset time according to air-conditioning system 10
The aperture of pressure, goal systems pressure and rotation speed of fan adjusting air valve 122.In this way, can be according to air-conditioning system 10 in not same order
The aperture of the timely adjusting air valve 122 of working condition of section.
Wherein, the second preset time can according to need flexible configuration, and the second preset time can be with the first preset time
It is identical or not identical.Preferably, the second preset time can be 10-20 minutes, and the interval time of adjusting air valve 122 is moderate, can
To reduce 10 long-time fallback of air-conditioning system, meanwhile, can frequently adjust to avoid the aperture of air-valve 122 influences air-conditioning system
The normal work of system 10.
Air-valve 122 aperture according to the rotation speed of fan of outdoor unit 11 and default rotation speed of fan and air-conditioning system 10
When the rotation speed of fan of system pressure, goal systems pressure and outdoor unit 11 is adjusted jointly, can take into account 122 aperture of air-valve with
Rotation speed of fan operates in reasonable range, while the heat dissipation capacity of adjustable air-conditioning system 10.
Incorporated by reference to Fig. 8, a kind of air-conditioning system 10 of embodiment of the present invention offer comprising outdoor unit 11, fan housing 12, place
Device 17 and memory 18 are managed, memory 18 is stored with air-valve control program, and air-valve is controlled when program is executed by processor 17 and realized
The step of air-valve control method of any of the above-described embodiment.
In one example, it is performed the steps of when air-valve control program is executed by processor 17
Step S1, when air-conditioning system 10 is run, control air-valve 122 is opened；
Step S2, according to the aperture of the rotation speed of fan of outdoor unit 11 and default rotation speed of fan adjusting air valve 122；And/or
Step S3, according to opening for the system pressure of air-conditioning system 10, goal systems pressure and rotation speed of fan adjusting air valve 122
Degree.
The air-conditioning system 10 of embodiment of the present invention, outdoor unit 11 can be exchanged heat by blower 112 and fan housing 12 and the external world,
Processor 17, which executes air-valve control program, can be used for controlling the air quantity that air-valve 122 adjusts outdoor unit 11, to adjust outdoor unit 11
Heat dissipation capacity.Wherein, the aperture of air-valve 122 is adjusted according to rotation speed of fan, and blower 112 can keep the effect that preferably works
Rate advantageously reduces 112 energy consumption of blower, increases by 112 service life of blower.The aperture of air-valve 122 is according to system pressure, goal systems pressure
Power and rotation speed of fan are adjusted, adjustable 11 heat dissipation capacity of outdoor unit, so that control system pressure is to meet air-conditioning system 10 low
The demand freezed under warm environment or heated, extends 10 application range of air-conditioning system.
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 (17)
1. a kind of air-valve control method, it to be used for air-conditioning system, which is characterized in that the air-conditioning system includes outdoor unit and fan housing,
The fan housing is arranged in the outdoor unit, and the fan housing is provided with air-valve, and the air-valve control method includes:
In air-conditioning system operation, controls the air-valve and open；
The aperture of the air-valve is adjusted according to the rotation speed of fan of the outdoor unit and default rotation speed of fan；And/or
The aperture of the air-valve is adjusted according to the system pressure of the air-conditioning system, goal systems pressure and the rotation speed of fan.
2. air-valve control method as described in claim 1, which is characterized in that described in air-conditioning system operation, control
The step of air-valve is opened comprises at least one of the following:
Condensing pressure when being opened according to the air-conditioning system controls the aperture of the air-valve；
Environment temperature when being opened according to the air-conditioning system controls the aperture of the air-valve；With
Energy requirement when being opened according to the air-conditioning system controls the aperture of the air-valve.
3. air-valve control method as described in claim 1, which is characterized in that the rotation speed of fan according to the outdoor unit and
Default rotation speed of fan adjusts the step of aperture of the air-valve and includes:
Obtain the rotation speed of fan of the outdoor unit；
Compare the size of the rotation speed of fan and the default rotation speed of fan；With
When the rotation speed of fan is greater than the default rotation speed of fan, the aperture for controlling the air-valve increases, and turns in the blower
When speed is not more than the default rotation speed of fan, controls the air-valve and keep current aperture.
4. air-valve control method as described in claim 1, which is characterized in that the system pressure includes condensing pressure, described
Goal systems pressure includes target condensing pressure, described according to the system pressure of the air-conditioning system, goal systems pressure and institute
Stating the step of rotation speed of fan adjusts the aperture of the air-valve includes: when the air-conditioning system is in refrigeration mode, according to described
Condensing pressure, the target condensing pressure and the rotation speed of fan adjust the aperture of the air-valve.
5. air-valve control method as claimed in claim 4, which is characterized in that described in refrigeration mode in the air-conditioning system
When, the step of aperture of the air-valve is adjusted according to the condensing pressure, the target condensing pressure and the rotation speed of fan packet
It includes:
When the condensing pressure and the absolute value of the difference of the target condensing pressure are not more than the first preset value, described in control
Air-valve keeps current aperture；
It is greater than first preset value and described cold in the absolute value of the condensing pressure and the difference of the target condensing pressure
When solidifying pressure is not less than the target condensing pressure, the aperture for controlling the air-valve increases；With
It is greater than first preset value and described cold in the absolute value of the condensing pressure and the difference of the target condensing pressure
When solidifying pressure is less than the target condensing pressure, judge whether the rotation speed of fan meets the first preset condition, in the blower
When revolving speed meets first preset condition, the aperture for controlling the air-valve reduces, and is unsatisfactory for described the in the rotation speed of fan
When one preset condition, controls the air-valve and keep current aperture.
6. air-valve control method as described in claim 1, which is characterized in that the system pressure includes evaporating pressure, described
Goal systems pressure includes target evaporating pressure, described according to the system pressure of the air-conditioning system, goal systems pressure and institute
Stating the step of rotation speed of fan adjusts the aperture of the air-valve includes: when the air-conditioning system is in heating mode, according to described
Evaporating pressure, the target evaporating pressure and the rotation speed of fan adjust the aperture of the air-valve.
7. air-valve control method as claimed in claim 6, which is characterized in that described to be in heating mode in the air-conditioning system
When, the step of aperture of the air-valve is adjusted according to the evaporating pressure, the target evaporating pressure and the rotation speed of fan packet
It includes:
When the evaporating pressure and the absolute value of the difference of the target evaporating pressure are not more than the second preset value, described in control
Air-valve keeps current aperture；
It is greater than second preset value and the steaming in the evaporating pressure and the absolute value of the difference of the target evaporating pressure
When sending out pressure less than the target evaporating pressure, the aperture for controlling the air-valve increases；With
It is greater than second preset value and the steaming in the evaporating pressure and the absolute value of the difference of the target evaporating pressure
When sending out pressure not less than the target evaporating pressure, judge whether the rotation speed of fan meets the second preset condition, in the wind
When machine revolving speed meets second preset condition, the aperture for controlling the air-valve reduces, and is unsatisfactory in the rotation speed of fan described
When the second preset condition, controls the air-valve and keep current aperture.
8. air-valve control method as described in claim 1, which is characterized in that the air-valve includes motor and air valve blades, institute
It states motor and connects the air valve blades, the motor is used to control the rotational angle of the air valve blades to adjust the air-valve
Aperture, the aperture of the air-valve are related to the voltage of the motor or electric current.
9. a kind of air-conditioning system, which is characterized in that including outdoor unit, fan housing and control device, the fan housing is arranged in the room
Outer machine, the fan housing are provided with air-valve, and the control device is used to control the air-valve in air-conditioning system operation and open
It opens, and adjusts the aperture of the air-valve for the rotation speed of fan and default rotation speed of fan according to the outdoor unit, and/or be used for root
The aperture of the air-valve is adjusted according to the system pressure of the air-conditioning system, goal systems pressure and the rotation speed of fan.
10. air-conditioning system as claimed in claim 9, which is characterized in that the control device according to air-conditioning system for starting
When following at least one control air-valve aperture: condensing pressure, environment temperature and energy requirement.
11. air-conditioning system as claimed in claim 9, which is characterized in that the control device is for obtaining the outdoor unit
Rotation speed of fan, and for the size of the rotation speed of fan and the default rotation speed of fan, and for turning in the blower
When speed is greater than the default rotation speed of fan, the aperture for controlling the air-valve increases, default no more than described in the rotation speed of fan
When rotation speed of fan, controls the air-valve and keep current aperture.
12. air-conditioning system as claimed in claim 9, which is characterized in that the system pressure includes condensing pressure, the target
Pressure includes target condensing pressure, and the control device is used for when the air-conditioning system is in refrigeration mode, according to described cold
Solidifying pressure, the target condensing pressure and the rotation speed of fan adjust the aperture of the air-valve.
13. air-conditioning system as claimed in claim 12, which is characterized in that the control device be used for the condensing pressure with
When the absolute value of the difference of the target condensing pressure is not more than the first preset value, controls the air-valve and keep current aperture, and
It is greater than first preset value and described cold for the absolute value in the condensing pressure and the difference of the target condensing pressure
When solidifying pressure is not less than the target condensing pressure, the aperture for controlling the air-valve increases, and in the condensing pressure
It is greater than first preset value with the absolute value of the difference of the target condensing pressure and the condensing pressure is less than the target
When condensing pressure, judge whether the rotation speed of fan meets the first preset condition, it is pre- to meet described first in the rotation speed of fan
If when condition, the aperture for controlling the air-valve reduces, when the rotation speed of fan is unsatisfactory for first preset condition, institute is controlled
It states air-valve and keeps current aperture.
14. air-conditioning system as claimed in claim 9, which is characterized in that the system pressure includes evaporating pressure, the target
System pressure includes target evaporating pressure, and the control device is used for when the air-conditioning system is in heating mode, according to institute
State the aperture that evaporating pressure, the target evaporating pressure and the rotation speed of fan adjust the air-valve.
15. air-conditioning system as claimed in claim 14, which is characterized in that the control device be used for the evaporating pressure with
When the absolute value of the difference of the target evaporating pressure is not more than the second preset value, controls the air-valve and keep current aperture, and
It is greater than second preset value and the steaming for the absolute value in the evaporating pressure and the difference of the target evaporating pressure
Send out pressure be less than the target evaporating pressure when, control the air-valve aperture increase, and for the evaporating pressure with
The absolute value of the difference of the target evaporating pressure is greater than second preset value and the evaporating pressure is not less than the target
When evaporating pressure, judge whether the rotation speed of fan meets the second preset condition, it is pre- to meet described second in the rotation speed of fan
If when condition, the aperture for controlling the air-valve reduces, when the rotation speed of fan is unsatisfactory for second preset condition, institute is controlled
It states air-valve and keeps current aperture.
16. air-conditioning system as claimed in claim 9, which is characterized in that the air-valve includes motor and air valve blades, the electricity
Machine connects the air valve blades, and the motor is used to control the rotational angle of the air valve blades to adjust opening for the air-valve
Degree, the aperture of the air-valve are related to the voltage of the motor or electric current.
17. a kind of air-conditioning system, which is characterized in that including outdoor unit, fan housing, memory and processor, the fan housing setting exists
The outdoor unit, the fan housing are provided with air-valve, and the memory is stored with air-valve control program, and the air-valve controls program quilt
The step of claim 1-8 described in any item air-valve control methods are realized when the processor executes.
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| CN201811646240.3A CN109708266B (en) | 2018-12-29 | 2018-12-29 | Air valve control method and air conditioning system |
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| CN201811646240.3A CN109708266B (en) | 2018-12-29 | 2018-12-29 | Air valve control method and air conditioning system |
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| CN109708266A true CN109708266A (en) | 2019-05-03 |
| CN109708266B CN109708266B (en) | 2021-09-17 |
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