CN108613329A - A kind of convertible frequency air-conditioner and its control method - Google Patents
A kind of convertible frequency air-conditioner and its control method Download PDFInfo
- Publication number
- CN108613329A CN108613329A CN201810402550.4A CN201810402550A CN108613329A CN 108613329 A CN108613329 A CN 108613329A CN 201810402550 A CN201810402550 A CN 201810402550A CN 108613329 A CN108613329 A CN 108613329A
- Authority
- CN
- China
- Prior art keywords
- conditioner
- convertible frequency
- frequency air
- air
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The embodiment of the invention discloses a kind of convertible frequency air-conditioner and its control methods, it is related to field of air conditioning, solves the problem of convertible frequency air-conditioner very may cause refrigerant addition excessive or very few, failure is easy to happen so as to cause air-conditioning greatly since operating parameter variation causes the system pressure of operational process to change in the prior art.Convertible frequency air-conditioner includes control module, determines ginseng mode starting signal for receiving；And according to ginseng mode starting signal is determined, control convertible frequency air-conditioner includes according to fixed ginseng mode operation according to ginseng mode operation, the control convertible frequency air-conditioner is determined：Compressor is controlled to run with default aperture with the second preset rotation speed, throttling set with the first preset rotation speed, outdoor fan with fixed frequency, indoor fan.The present invention is used for the control process of convertible frequency air-conditioner.
Description
Technical field
The present invention relates to field of air conditioning more particularly to a kind of convertible frequency air-conditioner and its control methods.
Background technology
Air-conditioning was installed or after operation a period of time, because of a variety of causes, it may be necessary to add refrigerant (also referred to as refrigerant), pass
The fixed frequency air conditioner product of system, fixation operate in 50Hz, and maintenance personal's common practices is：According to indoor temperature and low pressure valve pressure,
It can be very easy to judge whether air-conditioning refrigerant is normal.And convertible frequency air-conditioner is since running frequency changes, and different product highest, most
Low running frequency is different, and for the convertible frequency air-conditioner of some having electronics expansion, electric expansion valve opens in adding refrigerant process
Degree also constantly variation, this will cause the system pressure of operational process to change very greatly, is unable to judge accurately needs and adds how many systems
Cryogen.
So existing convertible frequency air-conditioner finds refrigerant leakage, need the general operation mode for filling refrigerant as follows：System
Residual refrigerant bleeds off and evacuates in system, adds refrigerant again according to nameplate regulation refrigerant weight, this compares specification
Way, but if refrigerant leakage is few, such case can not only increase operation difficulty, especially pacify in some high-altitudes or air-conditioning
The place that dress place is inconvenient to operate is inconvenient, and increases loss and the pollution environment of refrigerant.
The another way of filling refrigerant is in the prior art：Maintenance personal is according to fixed frequency air conditioner in 50Hz operating statuses
Under pressure condition, empirically to convertible frequency air-conditioner add refrigerant.Such case is due to easy to operate, convertible frequency air-conditioner in a short time
Also refrigeration can be run.But since the running frequency of convertible frequency air-conditioner compressor at runtime is continually changing, so according to frequency is determined
Air-conditioning operating pressure addition refrigerant amount be variation, it is unstable, for example, if when adding refrigerant convertible frequency air-conditioner
Compressor be in high frequency operation, then be easy to make refrigerant addition excessive, and if when adding refrigerant convertible frequency air-conditioner pressure
Contracting machine is in low-frequency operation, then is easy to keep refrigerant addition very few.The method of this addition refrigerant, due to the refrigerant of addition
It is larger to measure deviation, air-conditioning failure rate will be caused to rise after longtime running, increases after-sales service cost.
Invention content
The embodiment of the present invention provides a kind of convertible frequency air-conditioner and its control method, with solve in the prior art convertible frequency air-conditioner by
Cause the system pressure of operational process to change in operating parameter variation very may cause refrigerant addition excessive or very few greatly,
The problem of failure being easy to happen so as to cause air-conditioning.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
In a first aspect, an embodiment of the present invention provides a kind of convertible frequency air-conditioner, which includes：Sequentially connected compression
The refrigerant circuit and indoor fan and outdoor fan that machine, outdoor heat exchanger, throttling set and indoor heat exchanger are constituted.Institute
It further includes control module to state convertible frequency air-conditioner, determines ginseng mode starting signal for receiving；And join mode starting signal surely according to described,
Control convertible frequency air-conditioner includes according to fixed ginseng mode operation according to ginseng mode operation, the control convertible frequency air-conditioner is determined：Control the pressure
Contracting machine is with fixed frequency, the indoor fan with the first preset rotation speed, the outdoor fan with the second preset rotation speed, the throttling
Device is run with default aperture.
Second aspect, an embodiment of the present invention provides a kind of control method for frequency conversion air conditioner, the control method for frequency conversion air conditioner packets
It includes：Mode starting signal is joined in reception surely；Join mode starting signal surely according to described, control convertible frequency air-conditioner is transported according to moduli formula is determined
Row.The control convertible frequency air-conditioner includes according to fixed ginseng mode operation：The compressor of the convertible frequency air-conditioner is controlled with fixed frequency, room
Internal fan is run with the second preset rotation speed, throttling set with default aperture with the first preset rotation speed, outdoor fan.
Convertible frequency air-conditioner provided in an embodiment of the present invention and its control method, by the indoor fan, the room that control convertible frequency air-conditioner
External fan, compressor and throttling set are respectively at the parameter value of setting, that is to say, that pass through above-mentioned the zero of fixed convertible frequency air-conditioner
The parameter value of part makes the system running pressure of convertible frequency air-conditioner in the process of running be in stable state, is conducive to convertible frequency air-conditioner
The refrigerant for adding appropriate magnitude leads to operational process to solve convertible frequency air-conditioner in the prior art since operating parameter changes
System pressure variation very greatly and may cause refrigerant add it is excessive or very few, be easy to happen failure so as to cause air-conditioning
Problem.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the present invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the schematic diagram of convertible frequency air-conditioner provided in an embodiment of the present invention；
Fig. 2 schematically shows convertible frequency air-conditioners provided in an embodiment of the present invention；
Fig. 3 is the flow chart of control method for frequency conversion air conditioner provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
In the embodiment of the present invention, unless otherwise specific regulation and limitation, the terms such as term " setting " " connected ", " connection "
It shall be understood in a broad sense, can also be dismantling connection for example, it may be being fixedly connected, or is integral；Can be mechanical connection,
It can be electrical connection；It can be directly connected, can also be can be inside two elements indirectly connected through an intermediary
The interaction relationship of connection or two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
For the ease of clearly describing the technical solution of the embodiment of the present invention, in an embodiment of the present invention, use " the
One ", the printed words such as " second " distinguish function or the essentially identical identical entry of effect or similar item, and those skilled in the art can
To understand that the printed words such as " first ", " second " are not defined quantity and execution order.
The terms "and/or", only a kind of incidence relation of description affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate：Individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/", it is a kind of relationship of "or" to typically represent forward-backward correlation object.
Embodiment one, convertible frequency air-conditioner
An embodiment of the present invention provides a kind of convertible frequency air-conditioners, and with reference to figure 1 and Fig. 2, convertible frequency air-conditioner 1 may include：Connect successively
The refrigerant circuit that compressor 11, outdoor heat exchanger 12, throttling set 13 and the indoor heat exchanger 14 connect is constituted, and outdoor wind
Fan 15 and indoor fan 16.Convertible frequency air-conditioner 1 provided in an embodiment of the present invention further includes control module 17, determines moduli formula for receiving
Enabling signal；And according to ginseng mode starting signal is determined, control convertible frequency air-conditioner 1 is according to ginseng mode operation is determined, wherein the control becomes
Frequency air-conditioning 1 may include according to fixed ginseng mode operation：Compressor 11 is controlled with fixed frequency, indoor fan 16 with first default turn
Speed, outdoor fan 15 are run with the second preset rotation speed, throttling set 13 with default aperture.
It should be noted that the outdoor heat exchanger of air-conditioning in refrigerating operaton as radiator, that is, condenser, and
Just become heat dump, that is, evaporator when heating operation；Correspondingly, the indoor heat exchanger of air-conditioning is used as in refrigerating operaton and inhales
Hot device, that is, evaporator, and just become radiator in heating operation, that is, condenser.It is run below with air conditioner refrigerating
For introduce the cyclic process (can refer to arrow be directed toward) in Fig. 1 of refrigerant.
For air-conditioning in refrigerating operaton, the refrigerant gas of low-temp low-pressure becomes high temperature and pressure by pressurization after the sucking of compressor 11
Refrigerant gas, the heat release (being condensed by condenser) in outdoor heat exchanger 12 of the refrigerant gas of high temperature and pressure becomes medium temperature
The liquid (heat is taken away by outdoor circulation air) of high pressure, after the liquid of medium temperature high pressure is using 13 reducing pressure by regulating flow of throttling set
Become the liquid of low-temp low-pressure, the liquid refrigerant of low-temp low-pressure becomes low-temp low-pressure in heat exchanger 14 after heat absorption evaporation indoors
Gas (room air by the cooled cooling of heat exchanger surface achievees the purpose that indoor temperature is made to decline), low-temp low-pressure
Refrigerant gas is sucked by compressor 11 again, is so recycled.
During refrigerating operaton, the heat of outdoor heat exchanger 12 (i.e. condenser) is by (such as the axis stream of outdoor fan 15
Fan) with certain rotating speed to outdoor blowout hot wind, the cold of indoor heat exchanger 14 (i.e. evaporator) by indoor fan 16 (such as
The centrifugal fan or axial-flow fan of leafy low noise) cold wind blowed to interior with certain rotating speed.It should be noted that indoor wind
The rotating speed of fan and outdoor fan refers to the rotating speed of the motor (as shown in the M in Fig. 2) in fan.
Wherein, throttling set 13 can be used for reducing pressure by regulating flow, adjust flow, such as in above-mentioned refrigerant circuit, medium temperature
The liquid of high pressure becomes the liquid of low-temp low-pressure after 13 reducing pressure by regulating flow of throttling set, and then refrigerant liquid exchanges heat indoors
Heat, which is absorbed, in device 14 (being evaporator when refrigerating operaton) reaches refrigeration effect.It should be noted that in the embodiment of the present invention
Throttling set 13 is the adjustable throttling set of aperture.
Optionally, throttling set 13 can be electric expansion valve.The aperture of electric expansion valve can be according to being applied to electronics
Electric signal (such as voltage or electric current) on expansion valve and change, to achieve the purpose that adjust liquid supply rate.Also, electric expansion valve
Aperture can according to the degree of superheat of evaporator outlet change and change, with prevent evaporator area underutilization show
As.Specifically, can by be arranged evaporator outlet temperature sensor and pressure sensor (sometimes also using setting steaming
Temperature sensor in the middle part of hair device acquires evaporating temperature) degree of superheat signal is acquired, expansion valve controlled using feedback regulation
Aperture makes degree of superheat control in target zone in very wide evaporating temperature region.
In refrigerant circuit, the running frequency of compressor 11 is higher, and indoor fan 16,15 rotating speed of outdoor fan is needed to get over
Greatly, the aperture of throttling set 13 is bigger, that is to say, that the running frequency of compressor 11 and the rotating speed of indoor fan 16, outdoor wind
The rotating speed of fan 15 and the aperture of throttling set 13 restrict each other, the circular flow of joint effect refrigerant circuit.Illustratively,
In the case where such as convertible frequency air-conditioner will generate rated cooling capacity, compressor is needed to be run with certain running frequency, this
Under running frequency, in order to ensure that evaporator outlet has certain degree of superheat, needs indoor fan to ensure certain rotating speed, be simultaneously
Ensure that outdoor condensator outlet has certain degree of supercooling, needs outdoor fan to ensure certain rotating speed, in order to ensure such
In the case of refrigerating capacity, operation of air conditioner needs to adjust optimum efficiency to the aperture of electric expansion valve under lower power.
Alternatively, the fixed frequency of compressor 11 can in the case where determining moduli formula for convertible frequency air-conditioner 1 in the present embodiment
To be that the absolute value of the difference between the refrigerating capacity and rated cooling capacity of the generation of convertible frequency air-conditioner 1 can be made to be less than or equal to the first threshold
The minimum frequency of compressor 11 under the premise of value.First preset rotation speed of indoor fan 16 can refer to ensure indoor heat exchange
The rotating speed of the degree of superheat in device 14 (i.e. evaporator) exit within a preset range.Second preset rotation speed of outdoor fan 15 can be
Refer to the rotating speed of the degree of supercooling in guarantee outdoor heat exchanger 12 (i.e. condenser) exit within a preset range.
Optionally, the fixed frequency of compressor 11, the first preset rotation speed of indoor fan 16, outdoor fan 15 it is second pre-
If the default aperture of rotating speed and throttling set 13, rated cooling capacity can be based on and combine other factors (such as the degree of superheat, mistake
Cold degree, power etc.) it is determined to be debugged.Specifically, under the premise of guaranteeing to generate at least rated cooling capacity, compression
Machine 11, indoor fan 16, outdoor fan 15,13 these parts of throttling set parameter value all exist its optimum value or preferred value.
It should be noted that the preferred parameter value of different air-conditionings can have a certain difference.Guaranteeing to obtain at least specified refrigeration
Multigroup parameter value of each part can be obtained under the premise of amount, after debugging, can therefrom select the frequency of compressor minimum or compared with
One group of parameter value of low (relatively low refers to being less than setting value) is as the preset parameter value for joining mode operation surely, for example, compressor 11
Fixed frequency be 55hz, the preset rotation speed of indoor fan 16 is 1000 turns, the preset rotation speed of outdoor fan 15 is 800 turns, with
And the default aperture of throttling set 13 is 220.
As a kind of optional scheme, convertible frequency air-conditioner 1 is according to refrigerating capacity caused by fixed ginseng mode operation and convertible frequency air-conditioner 1
Rated cooling capacity between difference absolute value be less than or equal to first threshold.Illustratively, the first threshold is, for example,
50W, then can be at [- 50W, 50W] according to the departure caused by fixed ginseng mode operation between refrigerating capacity and rated cooling capacity
Threshold range in.In other words, convertible frequency air-conditioner 1 is empty close or equal to frequency conversion according to refrigerating capacity caused by fixed ginseng mode operation
Adjust 1 rated cooling capacity.It should be noted that the first threshold can determine that the present invention does not make according to actual use demand
Limitation.
Illustratively, control module 17 is transported according to ginseng mode starting signal, control convertible frequency air-conditioner 1 is determined according to moduli formula is determined
Row, for example, control compressor 11 with fixed frequency 55hz, indoor fan 16 with 1000 turns of preset rotation speed, outdoor fan 15 with default
800 turns of rotating speed and throttling set 13 are run with default aperture 220, and frequency conversion in the case becomes fixed frequency, the system generated at this time
Cold can reach 3550W, be 3500W close to rated cooling capacity.As it can be seen that by making above-mentioned part be transported according to the preset parameter
Row not only guarantees to generate certain refrigerating capacity, and system running pressure is made to be in stable state, adds convenient for refrigerant
Add operation.
Wherein, it when refrigerating capacity refers to that air-conditioning carries out refrigerating operaton, is gone out of confined space, room or region in the unit interval
The heat summation removed, legal unit of measurement W (watt).Rated cooling capacity refers to air-conditioning generated refrigerating capacity under declared working condition,
It would generally be labeled on the nameplate of air-conditioning, such as rated cooling capacity is 3500W.It should be noted that refrigerating capacity (unit W) with
Electrical power (unit W) is two concepts, and the two has respectively represented the output power and input power of air-conditioning.
As a kind of optional scheme, convertible frequency air-conditioner 1 according to determine moduli formula operate in generate rated cooling capacity under the premise of
Input power and the rated input power of convertible frequency air-conditioner 1 between difference absolute value be less than or equal to second threshold.Example
Property, the second threshold is, for example, 30W, then under the premise of generating rated cooling capacity, input power and rated input power
Between departure in the threshold range of [- 30W, 30W].In other words, convertible frequency air-conditioner 1 operates in generation according to moduli formula is determined
Input power under the premise of rated cooling capacity is close or equal to the rated input power of convertible frequency air-conditioner 1.It should be noted that institute
Stating second threshold can determine that the present invention is not restricted according to actual use demand.
Illustratively, it is control in the case that 2600W rated input powers are 750W in the rated cooling capacity of convertible frequency air-conditioner
The control compressor 11 of molding block 17 is with fixed frequency 55hz, indoor fan 16 with 1000 turns of preset rotation speed, outdoor fan 15 with pre-
If 800 turns of rotating speed and throttling set 13 are run with default aperture 220, frequency conversion in the case becomes fixed frequency, and air-conditioning can produce
The refrigerating capacity of raw 2600W, and the power (i.e. input power) consumed is 740W, close to rated input power 750W.As it can be seen that logical
Crossing makes convertible frequency air-conditioner according to ginseng mode operation is determined, and not only guarantees to generate certain refrigerating capacity and input power is relatively low, and
So that system running pressure is in stable state, convenient for refrigerant addition operation.
In the prior art, the running frequency of compressor of air conditioner, the rotating speed of indoor/outdoor fan, the aperture of electric expansion valve
It is to be run according to certain algorithm, such as controlled according to temperature-averaging rate of change, or controlled according to gear number,
It is this determine the controlled factor of frequency method (such as delivery temperature, environment temperature, heat exchange manifold temperature) relatively it is more, make compressor
The aperture of the rotating speed of frequency, indoor/outdoor fan, electric expansion valve is not fixed, as long as a certain factor changes, on
Stating the operating status of part will change.Compared with the prior art, convertible frequency air-conditioner provided in an embodiment of the present invention passes through control
The running frequency of compressor, the rotating speed of indoor/outdoor fan, electric expansion valve aperture be respectively at preset parameter value, make
Above-mentioned part is run according to preset parameter so that system running pressure is in stable state, avoids the occurrence of refrigerant excessive addition
Or insufficient phenomenon, and without needing evacuation refrigerant to weigh newly added troublesome operation again as in the state of the art, simplify
Air-conditioning maintenance operates.
From air-conditioning with heating operation from the perspective of, optionally, convertible frequency air-conditioner 1 is made according to caused by fixed ginseng mode operation
The absolute value of difference between heat and the specified heating capacity of convertible frequency air-conditioner is less than or equal to first threshold.Optionally, frequency conversion is empty
Tune 1 operates in the specified input work of input power and convertible frequency air-conditioner 1 under the premise of generating specified heating capacity according to moduli formula is determined
The absolute value of difference between rate is less than or equal to second threshold.Equally, first threshold and second threshold can be according to actual uses
Demand determines that the present invention is not restricted.
Optionally, control module 17 can be used for receiving be used to indicate convertible frequency air-conditioner determine what moduli formula start key was triggered
Signal is used to indicate and determines signal that moduli formula start key is triggered as joining mode starting signal surely.Illustratively, determine moduli formula
Start key can press to trigger, or can be triggered by touching.Illustratively, determining moduli formula start key can set
It is placed on the panel of air conditioner indoor unit, or is set on remote controler.Optionally, can be arranged on the panel of machine indoors a certain
Button (such as emergency button), which is used as, determines moduli formula start key, or the several keys of certain that can be arranged on remote controler (such as air quantity
Increasing key is applied in combination with air quantity increasing key, can be described as Macintosh), as determining moduli formula start key, while pressing Macintosh i.e.
It can trigger and determine moduli formula start key.That is, when needing to add refrigerant or repair, it can press or touch and is single
Key or Macintosh determine moduli formula (start and determine frequency function) to start, and provide convenience for after-sales service.
Optionally, control module 17 can be also used in the case where convertible frequency air-conditioner is according to fixed ginseng mode operation, if receiving
To any key of convertible frequency air-conditioner or the signal of convertible frequency air-conditioner determined moduli formula ESC Escape and be triggered, then controls convertible frequency air-conditioner and exit
Determine moduli formula.Optionally, it can a) be provided with and determine moduli formula ESC Escape, for example, air-conditioning can be set to by determining moduli formula ESC Escape
On the panel of indoor unit, or it is set on remote controler；Or it b) can be without determining moduli formula ESC Escape.Specifically, it a) is setting
It is equipped in the case of determining moduli formula ESC Escape, pressable or touch determine moduli formula ESC Escape and determine exiting for moduli formula to realize；It needs
It may be the same or different it is noted that determining moduli formula ESC Escape with moduli formula start key is determined, that is to say, that determine moduli
The startup of formula and exit function can also be provided separately on different keys, the embodiment of the present invention on integrally disposed to one key
This is not especially limited.B) that in the case of determining moduli formula ESC Escape, pressable or touch any key do not determine ginseng to realize
Pattern exits.That is, when want to exit out determine moduli formula when, maintenance personal or user etc. are by any key or ESC Escape
It can.
Optionally, control module 17 can be also used for：In the feelings for reaching preset duration according to the duration of fixed ginseng mode operation
Under condition, control convertible frequency air-conditioner, which exits, determines moduli formula.That is, can be set in this joined mode operation after N minutes surely, air-conditioning will be certainly
It is dynamic to exit the pattern.Illustratively, preset duration could be provided as such as 30 minutes or 60 minutes or 90 minutes, once it presses
Reach preset duration according to the duration of fixed ginseng mode operation, then convertible frequency air-conditioner, which exits, determines moduli formula, determines moduli formula so as to realize
Timing automatically exit from, and avoid maintenance personal or user etc. and forget to exit the occurrence of determining moduli formula.
Optionally, with reference to figure 2, control module 17 may include indoor controller 171 and outdoor controller 172.Specifically,
Indoor controller 171, which can be used for receiving, determines ginseng mode starting signal, and indoor fan 16 is controlled according to fixed ginseng mode starting signal
It is run with preset rotation speed, and determines moduli formula enabled instruction to outside 172 dispatcher's office of outdoor controller.Outdoor controller 172 can be used
Surely join mode starting signal outside the receiving chamber, and mode starting signal joined according to outdoor surely, control compressor 11 with fixed frequency,
Outdoor fan 15 is run with preset rotation speed, throttling set 13 with default aperture.
Optionally, indoor controller 171 preserves the indoor control strategy for controlling indoor fan, outdoor controller
172 preserve the outdoor control strategy for controlling compressor, outdoor fan and throttling set, in this case, indoor control
Device processed is run according to indoor control strategy control indoor fan with preset rotation speed, and fixed ginseng mode starting signal is sent to outdoor
Controller, so that outdoor controller is according to outdoor control strategy, control compressor, outdoor fan and throttling set are respectively with pre-
If parameter value operation.
Optionally, indoor controller 171 is preserved for controlling indoor fan, compressor, outdoor fan and throttling set
Control strategy, in this case, indoor controller 171 according to for indoor fan control strategy control indoor fan with
Preset rotation speed is run, and is sent out by fixed ginseng mode starting signal and for the control strategy of compressor, outdoor fan and throttling set
Outdoor controller 172 is given, to indicate outdoor controller 172 according to the control strategy, control compressor 11, outdoor fan 15
It is run respectively with preset parameter value with throttling set 13.
It is practical to connect refrigerant cylinder with fluorine hose is filled when add refrigerant, pressure vacuum gauge and fluorine mouth is filled, row
Except soft inner air tube, then refrigerant gas is filled with using steel cylinder and refrigeration system pressure difference.Illustratively, air-conditioning is placed in system
It is operated under cold high speed winds state, in low-pressure shutoff valve technique mouth, the low pressure of pressure vacuum gauge is observed in refrigerant feeding, when
Low pressure reach certain numerical value (for example R22 reaches 0.65mpa) and it is basicly stable when, close refrigerant cylinder valve.In addition, can
To consider that waste air temperature height, indoor refrigeration duty size etc. influence the factor of low pressure simultaneously, refrigerant is finely tuned
Amount and meter pressure, accomplish accurately to add refrigerant.
Convertible frequency air-conditioner provided in an embodiment of the present invention and its control method, by the indoor fan, the room that control convertible frequency air-conditioner
External fan, compressor and throttling set are respectively at the parameter value of setting, that is to say, that pass through above-mentioned the zero of fixed convertible frequency air-conditioner
The parameter value of part makes the system running pressure of convertible frequency air-conditioner in the process of running be in stable state, is conducive to convertible frequency air-conditioner
The refrigerant for adding appropriate magnitude leads to operational process to solve convertible frequency air-conditioner in the prior art since operating parameter changes
System pressure variation very greatly and may cause refrigerant add it is excessive or very few, be easy to happen failure so as to cause air-conditioning
Problem.
Embodiment two, control method for frequency conversion air conditioner
Correspondingly, an embodiment of the present invention provides a kind of control method for frequency conversion air conditioner, the executive agent of this method can be
Above-mentioned convertible frequency air-conditioner can also be the control module in the convertible frequency air-conditioner.With reference to figure 3, which can be with
Including：
Mode starting signal is joined in S101, reception surely.Optionally, receive be used to indicate convertible frequency air-conditioner determine moduli formula start key
The signal being triggered, as determining ginseng mode starting signal.Illustratively, maintenance personal or user etc. can be by pressing or touching
Moduli formula start key is determined to trigger.
S102, basis join mode starting signal surely, and for control convertible frequency air-conditioner according to ginseng mode operation is determined, the control frequency conversion is empty
It adjusts according to fixed ginseng mode operation and includes：Control convertible frequency air-conditioner compressor with fixed frequency, indoor fan with the first preset rotation speed,
Outdoor fan is run with the second preset rotation speed, throttling set with default aperture.That is, when needing to air-conditioning maintenance or addition
When refrigerant, the compressor of convertible frequency air-conditioner is made to be fixed on certain running frequency, and the phases such as indoor/outdoor fan, electric expansion valve
It answers component to correspond to and is in optimum state, operating pressure inside system is made to be in stable state, convenient for refrigerant addition operation.
Optionally, step S102 is executed by indoor controller and outdoor controller respectively.Specifically, indoor controller connects
Receipts join mode starting signal surely, are run with the first preset rotation speed according to fixed ginseng mode starting signal control indoor fan, and to room
Moduli formula enabled instruction is determined outside outer controller dispatcher's office.Outdoor controller joins mode starting signal, control compression surely according to outdoor
Machine is run with the second preset rotation speed, throttling set with default aperture with fixed frequency, outdoor fan.
Optionally, the convertible frequency air-conditioner joins refrigerating capacity or heating capacity and convertible frequency air-conditioner caused by mode operation according to fixed
The absolute value of difference between rated cooling capacity or specified heating capacity is less than or equal to first threshold.It should be noted that described
First threshold can determine that the present invention is not restricted according to actual use demand.
Optionally, step S101 may include：Receive be used to indicate convertible frequency air-conditioner determine what moduli formula start key was triggered
Signal, wherein described be used to indicate determines the signal that moduli formula start key is triggered and can be used as to join mode starting signal surely.
Optionally, which can also include：
S103, in the case where convertible frequency air-conditioner is according to fixed ginseng mode operation, if receiving any key of convertible frequency air-conditioner, frequency conversion
The signal of air-conditioning determined moduli formula ESC Escape and be triggered, then execute S105.
Optionally, which can also include：
S104, judge whether the duration according to fixed ginseng mode operation reaches preset duration, if according to ginseng mode operation is determined
Duration reach preset duration, then execute S105；Otherwise continue timing.
S105, control convertible frequency air-conditioner exit and determine moduli formula.
That is, when needing using frequency function (such as addition refrigerant or repair) determine, pressing or touch is determined
Moduli formula start key determines moduli formula (start and determine frequency function) to start, and determines moduli formula or cancel to determine frequency work(when needing to exit
When energy, by any key or ESC Escape, or automatically exits from this after determining frequency function operation preset duration and determine frequency function.
It should be noted that for above method embodiment, for simple description, therefore it is all expressed as a series of dynamic
It combines, but those skilled in the art should understand that, the present invention is not limited by the described action sequence, such as step
S103 and step S104 is being executed sequentially in no particular order；Secondly, it those skilled in the art should also know that, is retouched in specification
The embodiment stated belongs to preferred embodiment, and involved action and module are not necessarily essential to the invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit can be quoted in the corresponding process in embodiment of the method, and details are not described herein.This hair
The control method for frequency conversion air conditioner that bright embodiment provides, can reach effect identical with above-mentioned convertible frequency air-conditioner.
In several embodiments provided herein, it should be understood that disclosed control device, it can be by other
Mode realize.For example, device (or system) embodiment described above is only schematical, for example, the unit (or
Module) division, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple lists
Member or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point,
Shown or discussed mutual coupling, direct-coupling or communication connection can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection, can be electrical, machinery or other forms.
The above-mentioned unit (or module) illustrated as separating component may or may not be physically separated, example
Each functional unit such as in each embodiment of the present invention can be integrated in a physical unit, can also be distributed in different
In physical unit, can also two or more units be integrated in a physical unit；It can also be a functional unit
It is realized with two or more physical units.The form that hardware had both may be used in above-mentioned integrated unit is realized, also may be used
It is realized in the form of adding SFU software functional unit using hardware.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment executes the part steps of each embodiment the method for the present invention.And storage medium above-mentioned includes：USB flash disk, mobile hard disk,
Read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), the various media that can store program code such as magnetic disc or CD.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of convertible frequency air-conditioner, including：Sequentially connected compressor, outdoor heat exchanger, throttling set and indoor heat exchanger are constituted
Refrigerant circuit and outdoor fan and indoor fan；It is characterized in that, the convertible frequency air-conditioner further includes：
Control module determines ginseng mode starting signal for receiving；And join mode starting signal surely according to described, control convertible frequency air-conditioner
According to determining ginseng mode operation, the control convertible frequency air-conditioner includes according to fixed ginseng mode operation：The compressor is controlled with fixed frequency
Rate, the indoor fan are opened with the second preset rotation speed, the throttling set with default with the first preset rotation speed, the outdoor fan
Degree operation.
2. convertible frequency air-conditioner according to claim 1, which is characterized in that
The convertible frequency air-conditioner is according to refrigerating capacity or the specified system of heating capacity and the convertible frequency air-conditioner caused by fixed ginseng mode operation
The absolute value of difference between cold or specified heating capacity is less than or equal to first threshold.
3. convertible frequency air-conditioner according to claim 1, which is characterized in that the control module is used to indicate described for reception
The signal of convertible frequency air-conditioner determined moduli formula start key and be triggered, wherein described be used to indicate described determine moduli formula start key and be triggered
Signal as joining mode starting signal surely.
4. convertible frequency air-conditioner according to claim 1, which is characterized in that
The control module is additionally operable in the case where the convertible frequency air-conditioner is according to fixed ginseng mode operation, if receiving the frequency conversion
The signal of any key of air-conditioning or the convertible frequency air-conditioner determined moduli formula ESC Escape and be triggered, then control the convertible frequency air-conditioner and move back
Go out described to determine moduli formula.
5. convertible frequency air-conditioner according to claim 1, which is characterized in that
The control module is additionally operable to：In the case where reaching preset duration according to the duration of the mode operation of ginseng surely, control
The convertible frequency air-conditioner, which exits, described determines moduli formula.
6. convertible frequency air-conditioner according to any one of claim 1 to 5, which is characterized in that the control module includes interior
Controller and outdoor controller,
The indoor controller determines ginseng mode starting signal for receiving, according to the mode starting signal control of ginseng surely
Indoor fan is run with the first preset rotation speed, and moduli formula enabled instruction is determined to outside the outdoor controller dispatcher's office；
The outdoor controller, for joining mode starting signal surely according to the outdoor, control the compressor with fixed frequency,
The outdoor fan is run with the second preset rotation speed, the throttling set with default aperture.
7. a kind of control method for frequency conversion air conditioner, which is characterized in that including：
Mode starting signal is joined in reception surely；
Join mode starting signal surely according to described, control convertible frequency air-conditioner is pressed according to ginseng mode operation, the control convertible frequency air-conditioner is determined
Include according to fixed ginseng mode operation：Control the compressor of the convertible frequency air-conditioner with fixed frequency, indoor fan with the first preset rotation speed,
Outdoor fan is run with the second preset rotation speed, throttling set with default aperture.
8. control method for frequency conversion air conditioner according to claim 7, which is characterized in that
The convertible frequency air-conditioner is according to refrigerating capacity or the specified system of heating capacity and the convertible frequency air-conditioner caused by fixed ginseng mode operation
The absolute value of difference between cold or specified heating capacity is less than or equal to first threshold.
9. control method for frequency conversion air conditioner according to claim 7, which is characterized in that further include：
In the case where the convertible frequency air-conditioner is according to fixed ginseng mode operation, if receiving any key or the institute of the convertible frequency air-conditioner
The signal determined moduli formula ESC Escape and be triggered for stating convertible frequency air-conditioner then controls the convertible frequency air-conditioner and exits and described determines moduli formula.
10. control method for frequency conversion air conditioner according to claim 7, which is characterized in that further include：
In the case where reaching preset duration according to the duration of the mode operation of ginseng surely, control the convertible frequency air-conditioner exit it is described
Determine moduli formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402550.4A CN108613329B (en) | 2018-04-28 | 2018-04-28 | Variable frequency air conditioner and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402550.4A CN108613329B (en) | 2018-04-28 | 2018-04-28 | Variable frequency air conditioner and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108613329A true CN108613329A (en) | 2018-10-02 |
| CN108613329B CN108613329B (en) | 2020-09-11 |
Family
ID=63661402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810402550.4A Active CN108613329B (en) | 2018-04-28 | 2018-04-28 | Variable frequency air conditioner and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108613329B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454953A (en) * | 2019-08-05 | 2019-11-15 | 广东美的制冷设备有限公司 | Control method, device and the air conditioner of air conditioner |
| CN114857741A (en) * | 2022-05-20 | 2022-08-05 | 江苏科技大学 | Air conditioning system with fault diagnosis and emergency starting functions and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085171A (en) * | 1994-06-15 | 1996-01-12 | Yoriyuki Oguri | Operating method for cooler |
| CN201599899U (en) * | 2009-04-28 | 2010-10-06 | 欧威尔空调(中国)有限公司 | Refrigerant addition control system of air conditioner, |
| CN104990204A (en) * | 2015-06-04 | 2015-10-21 | 广东美的制冷设备有限公司 | Variable-frequency air conditioner and pressure detection method and device thereof |
| CN105042795A (en) * | 2015-08-31 | 2015-11-11 | 青岛海尔空调器有限总公司 | Control method for wall-mounted frequency conversion air conditioner |
| CN106288485A (en) * | 2016-08-16 | 2017-01-04 | 广东美的暖通设备有限公司 | The adjustable air conditioning system of coolant quantity |
-
2018
- 2018-04-28 CN CN201810402550.4A patent/CN108613329B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085171A (en) * | 1994-06-15 | 1996-01-12 | Yoriyuki Oguri | Operating method for cooler |
| CN201599899U (en) * | 2009-04-28 | 2010-10-06 | 欧威尔空调(中国)有限公司 | Refrigerant addition control system of air conditioner, |
| CN104990204A (en) * | 2015-06-04 | 2015-10-21 | 广东美的制冷设备有限公司 | Variable-frequency air conditioner and pressure detection method and device thereof |
| CN105042795A (en) * | 2015-08-31 | 2015-11-11 | 青岛海尔空调器有限总公司 | Control method for wall-mounted frequency conversion air conditioner |
| CN106288485A (en) * | 2016-08-16 | 2017-01-04 | 广东美的暖通设备有限公司 | The adjustable air conditioning system of coolant quantity |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454953A (en) * | 2019-08-05 | 2019-11-15 | 广东美的制冷设备有限公司 | Control method, device and the air conditioner of air conditioner |
| CN114857741A (en) * | 2022-05-20 | 2022-08-05 | 江苏科技大学 | Air conditioning system with fault diagnosis and emergency starting functions and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108613329B (en) | 2020-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101508448B1 (en) | Heat source system and number-of-machines control method for heat source system | |
| US9206994B2 (en) | Heat source system | |
| CN104422072B (en) | The control method of multi-gang air-conditioner and the control system of multi-gang air-conditioner | |
| CN103216909B (en) | Control method of outdoor fan during heating of variable-frequency multi-connection type air conditioning unit | |
| US6874326B2 (en) | Air conditioning system with two compressors and method for operating the same | |
| US9175889B2 (en) | Heat source system and control method thereof | |
| CN109237671B (en) | Air conditioner using steam injection cycle and control method thereof | |
| EP3690356A1 (en) | Refrigeration cycle device | |
| CN108800465A (en) | Air conditioning control method, air conditioning control device and electronic equipment | |
| JP6676418B2 (en) | air conditioner | |
| CN108613329A (en) | A kind of convertible frequency air-conditioner and its control method | |
| KR20020075074A (en) | Power saving air cooling method of inverter air-conditioner driving | |
| CN111981654A (en) | Control method for optimizing energy efficiency of air conditioner | |
| CN111928410A (en) | Control method for multi-split air conditioning unit | |
| EP1962035A2 (en) | Water-cooled type air conditioner and method for controlling the same | |
| JP6589946B2 (en) | Refrigeration equipment | |
| CN105698337A (en) | Method and device for controlling pressure in starting-up stage of air conditioner | |
| WO2018213243A1 (en) | Control systems and methods for heat pump systems | |
| US11493226B2 (en) | Airconditioning apparatus | |
| CN100532979C (en) | Separated room load calculating method and electromagnetic expansion valve control method of central air conditioner | |
| JP2014129912A (en) | Air conditioner using direct expansion coils | |
| CN113883579B (en) | Water system air conditioner | |
| CN100436970C (en) | Air conditioner and its control method for the pressure equilibrium | |
| KR100488010B1 (en) | Control method of Airconditioner | |
| JP6370425B2 (en) | Air conditioner using direct expansion coil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 528303 No. 8, Rong Gang Road, Ronggui street, Shunde District, Foshan, Guangdong. Applicant after: Haixin Home Appliances Group Co., Ltd. Applicant after: Hisense (Guangdong) Air Conditioner Co., Ltd. Address before: 528303 No. 8, Rong Gang Road, Ronggui street, Shunde District, Foshan, Guangdong. Applicant before: Hisense Kelon Electrical Holdings Co., Ltd. Applicant before: Hisense (Guangdong) Air Conditioner Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |