CN106765912A - Fixed frequency air conditioner halt control method - Google Patents
Fixed frequency air conditioner halt control method Download PDFInfo
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- CN106765912A CN106765912A CN201611111266.9A CN201611111266A CN106765912A CN 106765912 A CN106765912 A CN 106765912A CN 201611111266 A CN201611111266 A CN 201611111266A CN 106765912 A CN106765912 A CN 106765912A
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- fan
- temperature
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- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
- F25B2313/0253—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units in parallel arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/029—Control issues
- F25B2313/0293—Control issues related to the indoor fan, e.g. controlling speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/029—Control issues
- F25B2313/0294—Control issues related to the outdoor fan, e.g. controlling speed
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of fixed frequency air conditioner halt control method, belong to air-conditioner technical field, the control method includes：Control operation of air conditioner refrigeration, detects outdoor environment temperature；Temperature range according to residing for outdoor environment temperature, the operation quantity to the operation quantity and indoor fan and outdoor fan of indoor heat exchanger and outdoor heat exchanger is adjusted, and controls compressor to run or shut down according to predetermined interval；When outdoor environment temperature is reached in preset temperature range, the temperature deviation of detection indoor environment temperature and design temperature；The operation quantity of the operation quantity and indoor fan and outdoor fan of indoor heat exchanger and outdoor heat exchanger is adjusted according to temperature deviation, and controls compressor to run or shut down according to predetermined interval.By above-mentioned control method, can effectively save operation of air conditioner when energy consumption, so as to effectively improve the work efficiency of air-conditioning, and frequent start-stop machine can be avoided from impacting the compressor life-span.
Description
Technical field
The present invention relates to air-conditioner technical field, in particular to a kind of fixed frequency air conditioner halt control method.
Background technology
At present, traditionally it is both configured to for the use major part of air-conditioner run refrigeration mode and low temperature under hot environment
Heating mode is run under environment, but for some specific demands, air-conditioner then needs to run refrigeration mode under cryogenic.And work as
Air-conditioner is operated under cryogenic refrigeration pattern, and operating load it is smaller when, the pressure at expulsion of compressor can be caused less than normal, produce
The not enough problem of compressor pressure ratio, if longtime running is likely to result in compressor oil starvation, the stabilization of influence air-conditioner system operation
Property.For frequency-changeable compressor, compressor can be made to be adapted with room thermic load by adjusting the frequency of compressor, carried
The service life of air-conditioner high.
But for constant speed domestic air conditioning, it is impossible to which change as frequency changer according to room thermic load is entered in real time
Row regulation.The regulation of energy can only be so carried out by frequently startup-shutdown, not only energy-conservation does not have an effect on the life-span of press.
The content of the invention
The purpose of the present invention is to propose to a kind of fixed frequency air conditioner halt control method, can without shut down make room thermic load with
The energy output of fixed frequency air conditioner matches, and improves the service behaviour of air-conditioning, and can avoid influenceing the life-span of compressor.
According to an aspect of the invention, there is provided a kind of fixed frequency air conditioner halt control method, the fixed frequency air conditioner includes room
Interior heat exchanger, invariable frequency compressor, outdoor heat exchanger and throttling arrangement, multiple indoor heat exchangers are in parallel, each indoor heat exchanger pair
At least one indoor fan should be provided with, multiple outdoor heat exchangers are in parallel, and each outdoor heat exchanger is correspondingly arranged at least one
Outdoor fan, control method includes：Control operation of air conditioner refrigeration, detects outdoor environment temperature；According to residing for outdoor environment temperature
Temperature range, to indoor heat exchanger and the operation quantity and indoor fan and the operation quantity of outdoor fan of outdoor heat exchanger
It is adjusted, and controls compressor to run or shut down according to predetermined interval；When outdoor environment temperature reaches preset temperature range
When interior, the temperature deviation of detection indoor environment temperature and design temperature；According to temperature deviation to indoor heat exchanger and outdoor heat exchange
The operation quantity and indoor fan of device and the operation quantity of outdoor fan are adjusted, and control compressor according to predetermined interval
Operation is shut down.
Fixed frequency air conditioner halt control method of the invention, can according to the relation between outdoor environment and preset temperature and
Indoor environment temperature is adjusted control with the temperature deviation of design temperature to the heat exchanger quantity and blower fan quantity run, so that
Fixed frequency air conditioner is not adjusted operation of air conditioner frequency can also adjust the energy output of air-conditioning so that room thermic load and fixed frequency air conditioner
Energy output match, and also controlled in this method compressor according to predetermined interval run or shut down, can be effectively save
Energy consumption during operation of air conditioner, so as to effectively improve the work efficiency of air-conditioning.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets implementation of the invention
Example, and be used to explain principle of the invention together with specification.
Fig. 1 is the structure principle chart of the fixed frequency air conditioner of the embodiment of the present invention；
Fig. 2 is the control flow chart of the fixed frequency air conditioner halt control method of the embodiment of the present invention.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, it is electric, process and it is other changes.Embodiment
Only represent possible change.Unless explicitly requested, otherwise single components and functionality is optional, and the order for operating can be with
Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The scope of bright embodiment includes the gamut of claims, and all obtainable of claims is equal to
Thing.Herein, each embodiment can individually or generally be represented that it is convenient that this is used for the purpose of with term " invention ",
And if in fact disclosing the invention more than, the scope for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, such as first and second or the like relational terms be used only for by an entity or operation with
Another entity or operation make a distinction, without requiring or implying between these entities or operation there is any actual relation
Or order.And, term " including ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that
So that process, method or equipment including a series of key elements not only include those key elements, but also including being not expressly set out
Other key elements, or also include be this process, method or the intrinsic key element of equipment.In the feelings without more limitations
Under condition, the key element limited by sentence "including a ...", it is not excluded that in the process including the key element, method or equipment
In also there is other identical element.Each embodiment herein is described by the way of progressive, and each embodiment is stressed
Be all difference with other embodiment, between each embodiment identical similar portion mutually referring to.For implementing
For example disclosed method, product etc., because it is corresponding with method part disclosed in embodiment, so the comparing of description is simple
Single, related part is referring to method part illustration.
With reference to shown in referring to Fig. 1 and Fig. 2, embodiments in accordance with the present invention, fixed frequency air conditioner halt control method institute foundation
Fixed frequency air conditioner includes indoor heat exchanger, invariable frequency compressor, outdoor heat exchanger and throttling arrangement, and multiple indoor heat exchangers are in parallel, often
Individual indoor heat exchanger is correspondingly arranged at least one indoor fan, and multiple outdoor heat exchangers are in parallel, each outdoor heat exchanger correspondence
At least one outdoor fan is provided with, fixed frequency air conditioner halt control method includes：Control operation of air conditioner refrigeration, detects outdoor environment
Temperature；Temperature range according to residing for outdoor environment temperature, to the operation quantity and room of indoor heat exchanger and outdoor heat exchanger
The operation quantity of inner blower and outdoor fan is adjusted, and controls compressor to run or shut down according to predetermined interval；Work as room
External environment temperature is reached when in preset temperature range, the temperature deviation of detection indoor environment temperature and design temperature；According to temperature
Deviation is adjusted to the operation quantity of the operation quantity and indoor fan and outdoor fan of indoor heat exchanger and outdoor heat exchanger
Section, and control compressor to run or shut down according to predetermined interval.
By above-mentioned control method, can be according to the relation between outdoor environment and preset temperature and indoor environment temperature
Degree is adjusted control with the temperature deviation of design temperature to the heat exchanger quantity and blower fan quantity run, so that fixed frequency air conditioner
Not adjusting operation of air conditioner frequency can also adjust the energy output of air-conditioning so that room thermic load is exported with the energy of fixed frequency air conditioner
Match, and during being controlled to air-conditioning, compressor runs or shuts down according to predetermined interval, can ensure right
Energy consumption while indoor temperature is adjusted during effectively save operation of air conditioner, so as to effectively improve the work efficiency of air-conditioning.
For example, machine system fan-out capability is the air-conditioning of 3, by adjusting indoor heat exchanger, indoor fan, outdoor heat exchange
The parameters such as the operation quantity and wind speed of device and outdoor fan, it is possible to achieve the output function of 1,2 and 3 so that fixed frequency is empty
The power output of tune becomes adjustable, preferably can match with the thermic load in room, it is to avoid energy waste, and by control
Compressor runs or shuts down according to prefixed time interval, air-conditioning operation more energy-conservation while ensureing that refrigeration is comfortable.Certainly, it is right
In different fixed frequency air conditioners, the quantity of indoor heat exchanger and indoor fan and outdoor heat exchanger and outdoor fan can be adjusted,
So as to export more kinds of power, Energy Saving Control requirement is preferably met.
In the present embodiment, indoor heat exchanger corresponds setting, outdoor heat exchanger and outdoor fan one with indoor fan
One is correspondingly arranged, and indoor heat exchanger is two, wherein first two ends of indoor heat exchanger is controlled by valve 1 and valve 3, respective chamber/chambers
Inner blower is blower fan 1, and second two ends of indoor heat exchanger is controlled by valve 2 and valve 4, and correspondence indoor fan is blower fan 2；It is outdoor
Heat exchanger is four, and first outdoor heat exchanger two ends is controlled by valve 5 and valve 9, and correspondence outdoor fan is blower fan 3, second
Outdoor heat exchanger two ends are controlled by valve 6 and valve 10, and correspondence outdoor fan is blower fan 4, and the 3rd outdoor heat exchanger two ends pass through
Valve 7 and valve 11 are controlled, and correspondence outdoor fan is blower fan 5, and the 4th outdoor heat exchanger two ends are controlled by valve 8 and valve 12, correspondence
Outdoor fan is blower fan 6, and electric expansion valve and compressor are connected between outdoor unit and indoor set.
Certainly, the quantity of the quantity and outdoor heat exchanger and outdoor fan of indoor heat exchanger and indoor fan can be with root
It is adjusted according to needs.
By taking above-mentioned air-conditioning as an example, during operation of air conditioner, the temperature range according to residing for outdoor environment is changed interior
The step of operation quantity of the operation quantity and indoor fan and outdoor fan of hot device and outdoor heat exchanger is adjusted includes：
When outdoor environment temperature is more than or equal to preset temperature a, control air-conditioning peak load operation is all indoor heat exchangers, all
Indoor fan, all outdoor heat exchangers and there is indoor fan standard-sized sheet；The compressor operating t1 times shut down the t2 times and circulate control
System.
Because now outdoor environment temperature is more than or equal to a preset temperature higher, now the exchange capability of heat of air-conditioning compared with
Difference, it is necessary to air-conditioning with all strength run, can ensure that indoor temperature can quickly reach design temperature scope, meet the use of user
Demand, when operation of air conditioner for a period of time after, met refrigeration demand, can shut down a period of time by adjust heat exchanger with
And the running status of blower fan makes indoor temperature be maintained in the range of design temperature, without keeping operation of air conditioner, so as to improve sky
The energy-saving effect of tune.
For the air-conditioning of the present embodiment, now valve 1, valve 2, valve 3 and the standard-sized sheet of valve 4, blower fan 1 and the standard-sized sheet of blower fan 2, valve 5
To the standard-sized sheet of valve 12, blower fan 3 to the standard-sized sheet of blower fan 6, it is ensured that the interior machine system of air-conditioning is all turned on, and outer machine system is all turned on, air-conditioning
Run with all strength.
When outdoor environment temperature is less than preset temperature a, compare outdoor environment temperature and preset temperature b；Work as outdoor environment
When temperature is more than or equal to preset temperature b, all indoor heat exchangers and all indoor fan standard-sized sheets are controlled, close an outdoor and change
Hot device and the corresponding outdoor fan of the outdoor heat exchanger；Wherein a>b；The compressor operating t3 times shut down the t4 times and circulate control
System.When outdoor environment temperature is less than preset temperature a, illustrate that temperature difference between outdoor heat exchanger and outdoor environment temperature can be with
Enough condensation heat releases are provided, therefore can now reduce the operation quantity of outdoor heat exchanger so that the heat exchange of outdoor heat exchanger
Heat exchange with indoor heat exchanger matches, improve air-conditioning operational energy efficiency, when operation of air conditioner for a period of time after, met system
Cold demand, can shut down a period of time further to improve the energy-saving effect of air-conditioning.
Now the interior machine valve of air-conditioning is fully open, indoor fan standard-sized sheet, and high-speed cruising, the 4th outdoor heat exchange in outer machine
The valve 8 and valve 12 at device two ends are closed, and the blower fan 6 corresponding to the 4th outdoor heat exchanger is out of service, other several outdoor fans
High-speed cruising.
When outdoor environment temperature is less than preset temperature b, the temperature deviation of detection indoor environment temperature and target temperature；When
When temperature deviation is more than or equal to c, indoor heat exchanger standard-sized sheet is controlled, the operation of indoor fan middling speed controls an outdoor heat exchanger
And its corresponding outdoor fan is closed, other outdoor fan middling speeds are controlled to run；The compressor operating t5 times shut down the t6 times simultaneously
Loop control.
When outdoor environment temperature is less than preset temperature b, the heat exchange amount of outdoor heat exchanger now disclosure satisfy that interior is changed
The heat exchange of hot device is needed, it is necessary to consider the temperature deviation of indoor environment temperature and target temperature, so that air-conditioning can be in high energy
Indoor environment temperature is adjusted under effect state, makes its quick arrival design temperature.
Because the heat exchange amount needed for now outdoor heat exchanger declines, and the heat exchange amount of interior also disclosure satisfy that indoor temperature
Regulation needs, therefore now indoor fan standard-sized sheet, but is to maintain middling speed operation, and one heat exchanger of outdoor closing stops the heat exchange
The corresponding outdoor fan of device, and control other outdoor fan middling speeds operate so that keep outdoor heat exchange amount all the time with indoor heat exchange
Amount matches, and cause air-conditioning power output reduction, work efficiency improve, when operation of air conditioner for a period of time after, met
Refrigeration demand, can shut down a period of time further to improve the energy-saving effect of air-conditioning.
Now the interior machine valve of air-conditioning is fully open, indoor fan standard-sized sheet, and middling speed is run, the 4th outdoor heat exchange in outer machine
The valve 8 and valve 12 at device two ends are closed, and the blower fan 6 corresponding to the 4th outdoor heat exchanger is out of service, other several outdoor fans
Middling speed is run.
When temperature deviation is more than or equal to d and during less than c, an indoor heat exchanger and its corresponding indoor fan are closed,
Control another indoor heat exchanger to run, and control the corresponding indoor fan middling speed of the indoor heat exchanger to operate；Close three rooms
External heat exchanger, opens an outdoor heat exchanger, controls the outdoor fan corresponding to the outdoor heat exchanger of the opening to run at high speed, and controls
The system outdoor fan middling speed operating adjacent with the outdoor fan, closes other outdoor fans；Wherein c>d；Compressor operating
The t7 times shut down t8 times and loop control.
When temperature deviation is more than or equal to d and during less than c, illustrate between current indoor environment temperature and design temperature
Difference is smaller, it is only necessary to which air-conditioner exports relatively low power and is to ensure that indoor environment temperature reaches design temperature, because
This now only needs to open an indoor heat exchanger, and operates the indoor fan middling speed corresponding to the indoor heat exchanger, while
An outdoor heat exchanger is only opened, and controls the corresponding outdoor fan of the outdoor heat exchanger to run at high speed, the outdoor heat exchanger phase
Adjacent outdoor fan middling speed operating, it becomes possible to so that the heat exchange amount phase of the heat exchange amount of outdoor heat exchanger and indoor heat exchanger
Match somebody with somebody, while can be finely adjusted to indoor environment temperature so that indoor environment temperature can be accurate to up to design temperature, work as air-conditioning
After operation a period of time, refrigeration demand is met, a period of time can be shut down further to improve the energy-saving effect of air-conditioning.
In the present embodiment, now under state in the interior machine of the air-conditioning, valve 1 and valve 3 are closed, and first indoor heat exchanger is closed
Close, and indoor fan 1 corresponding to first indoor heat exchanger is out of service, valve 2 and valve 4 are opened, second indoor heat exchanger
Operation, and the middling speed of blower fan 2 operating corresponding to second indoor heat exchanger.Valve 6, valve 7, valve 8, valve 10, valve 11, valve 12 in outer machine
It is turned off, first outdoor heat exchanger is in running order, and blower fan 3 runs at high speed, the operating of the middling speed of blower fan 4, blower fan 5 and blower fan 6
Shut down.
When temperature deviation is less than d, an indoor heat exchanger and its corresponding indoor fan are closed, control another indoor
Heat exchanger runs, and controls the corresponding indoor fan middling speed of the indoor heat exchanger to operate；Three outdoor heat exchangers are closed, one is opened
Individual outdoor heat exchanger, controls the outdoor fan low-speed running corresponding to the outdoor heat exchanger of the opening, closes other outdoor fans；
The compressor operating t9 times shut down t10 times and loop control.When the difference between indoor environment temperature and design temperature is less than d
When, illustrate that indoor environment temperature has reached target temperature range, now without being adjusted to indoor environment temperature again, only need
Keep current operating conditions, you can so that indoor heat exchange amount matches with outdoor heat exchange amount.Now can be to the operation of blower fan
Rotating speed etc. is adjusted so that operation of air conditioner in preferable efficiency, when operation of air conditioner for a period of time after, having met refrigeration needs
Ask, a period of time can be shut down further to improve the energy-saving effect of air-conditioning.
In the present embodiment, now under state in the interior machine of the air-conditioning, valve 1 and valve 3 are closed, and first indoor heat exchanger is closed
Close, and indoor fan 1 corresponding to first indoor heat exchanger is out of service, valve 2 and valve 4 are opened, second indoor heat exchanger
Operation, and the middling speed of blower fan 2 operating corresponding to second indoor heat exchanger.Valve 6, valve 7, valve 8, valve 10, valve 11, valve 12 in outer machine
It is turned off, first outdoor heat exchanger is in running order, the operating of the middling speed of blower fan 3, blower fan 4, blower fan 5 and blower fan 6 shut down.
Above-mentioned a is, for example, 40 DEG C, and b is, for example, 30 DEG C, and c is, for example, 3 DEG C, and d is, for example, 1 DEG C；Above-mentioned t1 is, for example, 30 minutes, t2
It it is such as 5 minutes, t3 is, for example, 20 minutes, and t4 is, for example, 5 minutes, and t5 is, for example, 20 minutes, and t6 is, for example, 5 minutes, and t7 is, for example,
15 minutes, t8 was, for example, 5 minutes, and t9 is, for example, 10 minutes, and t10 is, for example, 5 minutes.It should be appreciated that above-mentioned each number
Value can be adjusted accordingly according to the factor of the aspects such as working environment, it is not limited to the above embodiments.
Used as a kind of exemplary embodiment of the invention, fixed frequency air conditioner halt control method also includes：Control operation of air conditioner
Heat, detect outdoor environment temperature；Temperature range according to residing for outdoor environment temperature, to indoor heat exchanger and outdoor heat exchanger
Operation quantity and the operation quantity of indoor fan and outdoor fan be adjusted；When outdoor environment temperature reaches preset temperature
During scope, the temperature deviation of detection indoor environment temperature and design temperature；Indoor heat exchanger and outdoor are changed according to temperature deviation
The operation quantity and indoor fan of hot device and the operation quantity of outdoor fan are adjusted.
By above-mentioned control method, can be according to the relation between outdoor environment and preset temperature and indoor environment temperature
Degree is adjusted control with the temperature deviation of design temperature to the heat exchanger quantity and blower fan quantity run, so that fixed frequency air conditioner
Not adjusting operation of air conditioner frequency can also adjust the energy output of air-conditioning so that room thermic load is exported with the energy of fixed frequency air conditioner
Match, the work efficiency of air-conditioning can be effectively improved, and frequent start-stop machine can be avoided to impact the compressor life-span.
In the present embodiment, as depicted in figs. 1 and 2, indoor heat exchanger is corresponded with indoor fan and set, outdoor heat exchange
Device is corresponded with outdoor fan and set, and indoor heat exchanger is two, wherein first two ends of indoor heat exchanger passes through the He of valve 1
Valve 3 is controlled, and correspondence indoor fan is blower fan 1, and second two ends of indoor heat exchanger is controlled by valve 2 and valve 4, wind in respective chamber/chambers
Machine is blower fan 2；Outdoor heat exchanger is four, and first outdoor heat exchanger two ends is controlled by valve 5 and valve 9, correspondence outdoor fan
It is blower fan 3, second outdoor heat exchanger two ends is controlled by valve 6 and valve 10, correspondence outdoor fan is blower fan 4, the 3rd outdoor
Heat exchanger two ends are controlled by valve 7 and valve 11, and correspondence outdoor fan is blower fan 5, and the 4th outdoor heat exchanger two ends pass through the He of valve 8
Valve 12 is controlled, and correspondence outdoor fan is blower fan 6, and electric expansion valve and compressor are connected between outdoor unit and indoor set.
By taking above-mentioned air-conditioning as an example, the temperature range according to residing for outdoor environment temperature, to indoor heat exchanger and outdoor heat exchange
The step of quantity and indoor fan of device and the operation quantity of outdoor fan are adjusted includes：Compare outdoor environment temperature with
Preset temperature；When outdoor environment temperature is less than or equal to preset temperature e, the peak load operation of control air-conditioning, all interiors are changed
Hot device, all indoor fans, all outdoor heat exchangers and all indoor fan standard-sized sheets.
Because now outdoor environment temperature is less than or equal to a relatively low preset temperature, now the exchange capability of heat of air-conditioning compared with
Difference, it is necessary to air-conditioning with all strength run, can ensure that indoor temperature can quickly reach design temperature scope, meet the use of user
Demand.
For the air-conditioning of the present embodiment, now valve 1, valve 2, valve 3 and the standard-sized sheet of valve 4, blower fan 1 and the standard-sized sheet of blower fan 2, valve 5
To the standard-sized sheet of valve 12, blower fan 3 to the standard-sized sheet of blower fan 6, it is ensured that the interior machine system of air-conditioning is all turned on, and outer machine system is all turned on, air-conditioning
Run with all strength.
When outdoor environment temperature is more than preset temperature e, compare outdoor environment temperature and preset temperature f；Work as outdoor environment
Temperature is less than and during equal to preset temperature f, controls indoor heat exchanger and indoor fan standard-sized sheet；Close an outdoor heat exchanger and its
Corresponding outdoor fan, other outdoor fan high-speed cruisings；Wherein e<f.
When outdoor environment temperature is more than preset temperature e, the temperature between outdoor heat exchanger and outdoor environment temperature is illustrated
Difference can absorb enough heats and be discharged for indoor set, therefore can now reduce the operation quantity of outdoor heat exchanger so that room
The heat exchange of external heat exchanger matches with the heat exchange of indoor heat exchanger, improves the operational energy efficiency of air-conditioning.
Now the interior machine valve of air-conditioning is fully open, indoor fan standard-sized sheet, and high-speed cruising, the 4th outdoor heat exchange in outer machine
The valve 8 and valve 12 at device two ends are closed, and the blower fan 6 corresponding to the 4th outdoor heat exchanger is out of service, other several outdoor fans
High-speed cruising.
When outdoor environment temperature is more than preset temperature f, the temperature deviation of detection indoor environment temperature and target temperature；When
When temperature deviation is more than or equal to g, indoor heat exchanger standard-sized sheet, the middling speed operation of control indoor fan are controlled；Control one of room
External heat exchanger and its corresponding outdoor fan are closed, and control other outdoor fan middling speeds to run.
When outdoor environment temperature is more than preset temperature f, the heat exchange amount of outdoor heat exchanger now disclosure satisfy that interior is changed
The heat exchange of hot device is needed, it is necessary to consider the temperature deviation of indoor environment temperature and target temperature, so that air-conditioning can be in high energy
Indoor environment temperature is adjusted under effect state, makes its quick arrival design temperature.
Because the heat exchange amount needed for now outdoor heat exchanger declines, and the heat exchange amount of interior also disclosure satisfy that indoor temperature
Needs, therefore now indoor fan standard-sized sheet are adjusted, but is to maintain middling speed operation, one heat exchanger of outdoor closing, and stop this and changed
The corresponding outdoor fan of hot device, and control other outdoor fan middling speeds to operate, so as to keep outdoor heat exchange amount to be changed with interior all the time
Heat matches, and causes the power output reduction of air-conditioning, and work efficiency is improved.
Now the interior machine valve of air-conditioning is fully open, indoor fan standard-sized sheet, and middling speed is run, the 4th outdoor heat exchange in outer machine
The valve 8 and valve 12 at device two ends are closed, and the blower fan 6 corresponding to the 4th outdoor heat exchanger is out of service, other several outdoor fans
Middling speed is run.
When temperature deviation is more than or equal to h and during less than g, an indoor heat exchanger and its corresponding blower fan are closed, opened
One indoor heat exchanger, and control the indoor fan middling speed corresponding to it to run；Three outdoor heat exchangers are closed, a room is opened
External heat exchanger, controls the outdoor fan corresponding to the outdoor heat exchanger of the opening to run at high speed, and controls adjacent with the outdoor fan
An outdoor fan middling speed operating, close other outdoor fans；Wherein g>h.
When temperature deviation is more than or equal to h and during less than g, illustrate between current indoor environment temperature and design temperature
Difference is smaller, it is only necessary to which air-conditioner exports relatively low power and is to ensure that indoor environment temperature reaches design temperature, because
This now only needs to open an indoor heat exchanger, and operates the indoor fan middling speed corresponding to the indoor heat exchanger, while
An outdoor heat exchanger is only opened, and controls the corresponding outdoor fan of the outdoor heat exchanger to run at high speed, the outdoor heat exchanger phase
Adjacent outdoor fan middling speed operating, it becomes possible to so that the heat exchange amount phase of the heat exchange amount of outdoor heat exchanger and indoor heat exchanger
Match somebody with somebody, while can be finely adjusted to indoor environment temperature so that indoor environment temperature can be accurate to up to design temperature.
In the present embodiment, now under state in the interior machine of the air-conditioning, valve 1 and valve 3 are closed, and first indoor heat exchanger is closed
Close, and indoor fan 1 corresponding to first indoor heat exchanger is out of service, valve 2 and valve 4 are opened, second indoor heat exchanger
Operation, and the middling speed of blower fan 2 operating corresponding to second indoor heat exchanger.Valve 6, valve 7, valve 8, valve 10, valve 11, valve 12 in outer machine
It is turned off, first outdoor heat exchanger is in running order, and blower fan 3 runs at high speed, the operating of the middling speed of blower fan 4, blower fan 5 and blower fan 6
Shut down.
When temperature deviation is less than h, an indoor heat exchanger and its corresponding indoor fan are closed, control another indoor
Heat exchanger runs, and controls the corresponding indoor fan middling speed of the indoor heat exchanger to operate；Three outdoor heat exchangers are closed, one is opened
Individual outdoor heat exchanger, controls the outdoor fan low-speed running corresponding to the outdoor heat exchanger of the opening, closes other outdoor fans.
When the difference between indoor environment temperature and design temperature is less than h, illustrate that indoor environment temperature has reached mesh
Mark temperature range, now without being adjusted to indoor environment temperature again, it is only necessary to keep current operating conditions, you can so that room
Interior heat exchange amount matches with outdoor heat exchange amount.Running speed of blower fan etc. can be now adjusted so that operation of air conditioner exists
Preferable efficiency.
In the present embodiment, now under state in the interior machine of the air-conditioning, valve 1 and valve 3 are closed, and first indoor heat exchanger is closed
Close, and indoor fan 1 corresponding to first indoor heat exchanger is out of service, valve 2 and valve 4 are opened, second indoor heat exchanger
Operation, and the middling speed of blower fan 2 operating corresponding to second indoor heat exchanger.Valve 6, valve 7, valve 8, valve 10, valve 11, valve 12 in outer machine
It is turned off, first outdoor heat exchanger is in running order, the operating of the middling speed of blower fan 3, blower fan 4, blower fan 5 and blower fan 6 shut down.
Above-mentioned e is, for example, 2 DEG C, and f is, for example, 7 DEG C, and g is, for example, 3 DEG C, and h is, for example, 1 DEG C.Certainly, each above-mentioned numerical value is according to work
The factor of the aspects such as environment can be adjusted accordingly, it is not limited to the above embodiments.
It should be appreciated that the invention is not limited in the flow and structure that are described above and be shown in the drawings,
And can without departing from the scope carry out various modifications and changes.The scope of the present invention is only limited by appended claim
System.
Claims (12)
1. a kind of fixed frequency air conditioner halt control method, it is characterised in that the fixed frequency air conditioner includes that indoor heat exchanger, fixed frequency compress
Machine, outdoor heat exchanger and throttling arrangement, multiple indoor heat exchangers are in parallel, each described indoor heat exchanger be correspondingly arranged on to
A few indoor fan, multiple outdoor heat exchangers are in parallel, and each described outdoor heat exchanger is correspondingly arranged at least one Room
Outer blower fan, the control method includes：
Control operation of air conditioner refrigeration, detects outdoor environment temperature；
Temperature range according to residing for outdoor environment temperature, to the operation quantity and interior of indoor heat exchanger and outdoor heat exchanger
The operation quantity of blower fan and outdoor fan is adjusted, and controls compressor to run or shut down according to predetermined interval；
When outdoor environment temperature reaches preset temperature range, the temperature deviation of detection indoor environment temperature and design temperature；
According to temperature deviation to the fortune of the operation quantity and indoor fan and outdoor fan of indoor heat exchanger and outdoor heat exchanger
Line number amount is adjusted, and controls compressor to run or shut down according to predetermined interval.
2. fixed frequency air conditioner halt control method according to claim 1, it is characterised in that the indoor heat exchanger with it is described
Indoor fan is corresponded and set, and the outdoor heat exchanger is corresponded with the outdoor fan and set, the indoor heat exchanger
It it is two, the outdoor heat exchanger is four, the temperature range according to residing for outdoor environment, to indoor heat exchanger and outdoor
The operation quantity and indoor fan of heat exchanger and the operation quantity of outdoor fan are adjusted, and control compressor according to default
The step of interval operation or shutdown, includes：
When outdoor environment temperature is more than or equal to preset temperature a, the peak load operation of control air-conditioning, all indoor heat exchangers,
All indoor fans, all outdoor heat exchangers and described there is indoor fan standard-sized sheet；
The compressor operating t1 times shut down t2 times and loop control.
3. fixed frequency air conditioner halt control method according to claim 2, it is characterised in that described according to outdoor environment temperature
Residing temperature range, the operation to indoor heat exchanger and the operation quantity and indoor fan and outdoor fan of outdoor heat exchanger
Quantity is adjusted, and control compressor according to predetermined interval run or shut down the step of also include：
When outdoor environment temperature is less than preset temperature a, compare outdoor environment temperature and preset temperature b；
When outdoor environment temperature is more than or equal to preset temperature b, all indoor heat exchangers and all indoor fan standard-sized sheets are controlled,
Close an outdoor heat exchanger and the corresponding outdoor fan of the outdoor heat exchanger, wherein a>b；
The compressor operating t3 times shut down t4 times and loop control.
4. fixed frequency air conditioner halt control method according to claim 3, it is characterised in that described when outdoor environment temperature is arrived
During up to preset temperature range, the temperature deviation of detection indoor environment temperature and design temperature；According to temperature deviation to indoor heat exchange
The operation quantity of the operation quantity and indoor fan and outdoor fan of device and outdoor heat exchanger is adjusted, and controls compressor
The step of running or shut down according to predetermined interval includes：
When outdoor environment temperature is less than preset temperature b, the temperature deviation of detection indoor environment temperature and target temperature；
When temperature deviation is more than or equal to c, indoor heat exchanger standard-sized sheet is controlled, the operation of indoor fan middling speed controls an outdoor
Heat exchanger and its corresponding outdoor fan are closed, and control other outdoor fan middling speeds to run；
The compressor operating t5 times shut down t6 times and loop control.
5. fixed frequency air conditioner halt control method according to claim 4, it is characterised in that described when outdoor environment temperature is arrived
During up to preset temperature range, the temperature deviation of detection indoor environment temperature and design temperature；According to temperature deviation to indoor heat exchange
The operation quantity of the operation quantity and indoor fan and outdoor fan of device and outdoor heat exchanger is adjusted, and controls compressor
The step of running or shut down according to predetermined interval also includes：
When temperature deviation is more than or equal to d and during less than c, an indoor heat exchanger and its corresponding indoor fan, control are closed
Another indoor heat exchanger runs, and controls the corresponding indoor fan middling speed of the indoor heat exchanger to operate；
Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, the outdoor corresponding to the outdoor heat exchanger of the opening is controlled
Blower fan runs at high speed, and controls the outdoor fan middling speed operating adjacent with the outdoor fan, closes other outdoor fans；Wherein
c>d；
The compressor operating t7 times shut down t8 times and loop control.
6. fixed frequency air conditioner halt control method according to claim 5, it is characterised in that described when outdoor environment temperature is arrived
During up to preset temperature range, the temperature deviation of detection indoor environment temperature and design temperature；According to temperature deviation to indoor heat exchange
The operation quantity of the operation quantity and indoor fan and outdoor fan of device and outdoor heat exchanger is adjusted, and controls compressor
The step of running or shut down according to predetermined interval also includes：
When temperature deviation is less than d, an indoor heat exchanger and its corresponding indoor fan are closed, control another indoor heat exchange
Device runs, and controls the corresponding indoor fan middling speed of the indoor heat exchanger to operate；
Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, the outdoor corresponding to the outdoor heat exchanger of the opening is controlled
Blower fan low-speed running, closes other outdoor fans；
The compressor operating t9 times shut down t10 times and loop control.
7. fixed frequency air conditioner halt control method according to claim 1, it is characterised in that the fixed frequency air conditioner shuts down control
Method also includes：
Control operation of air conditioner is heated, and detects outdoor environment temperature；
Temperature range according to residing for outdoor environment temperature, to the operation quantity and interior of indoor heat exchanger and outdoor heat exchanger
The operation quantity of blower fan and outdoor fan is adjusted；
When outdoor environment temperature reaches preset temperature range, the temperature deviation of detection indoor environment temperature and design temperature；
According to temperature deviation to the fortune of the operation quantity and indoor fan and outdoor fan of indoor heat exchanger and outdoor heat exchanger
Line number amount is adjusted.
8. fixed frequency air conditioner halt control method according to claim 7, it is characterised in that the indoor heat exchanger with it is described
Indoor fan is corresponded and set, and the outdoor heat exchanger is corresponded with the outdoor fan and set, the indoor heat exchanger
Be two, the outdoor heat exchanger is four, the temperature range according to residing for outdoor environment temperature, to indoor heat exchanger and
The step of operation quantity and indoor fan of outdoor heat exchanger and the operation quantity of outdoor fan are adjusted includes：
Compare outdoor environment temperature and preset temperature；
When outdoor environment temperature is less than or equal to preset temperature e, the peak load operation of control air-conditioning, all indoor heat exchangers,
All indoor fans, all outdoor heat exchangers and all indoor fan standard-sized sheets.
9. fixed frequency air conditioner halt control method according to claim 8, it is characterised in that described according to outdoor environment temperature
Residing temperature range, the operation to indoor heat exchanger and the operation quantity and indoor fan and outdoor fan of outdoor heat exchanger
The step of quantity is adjusted also includes：
When outdoor environment temperature is more than preset temperature e, compare outdoor environment temperature and preset temperature f；
It is less than when outdoor environment temperature and during equal to preset temperature f, controls indoor heat exchanger and indoor fan standard-sized sheet；
Close an outdoor heat exchanger and its corresponding outdoor fan, other outdoor fan high-speed cruisings；Wherein e<f.
10. fixed frequency air conditioner halt control method according to claim 9, it is characterised in that described to work as outdoor environment temperature
When reaching preset temperature range, the temperature deviation of detection indoor environment temperature and design temperature；Interior is changed according to temperature deviation
The step of operation quantity of the operation quantity and indoor fan and outdoor fan of hot device and outdoor heat exchanger is adjusted also is wrapped
Include：
When outdoor environment temperature is more than preset temperature f, the temperature deviation of detection indoor environment temperature and target temperature；
When temperature deviation is more than or equal to g, indoor heat exchanger standard-sized sheet, the middling speed operation of control indoor fan are controlled；
Control one of outdoor heat exchanger and its corresponding outdoor fan to close, control other outdoor fan middling speeds to run.
11. fixed frequency air conditioner halt control methods according to claim 10, it is characterised in that described to work as outdoor environment temperature
When reaching preset temperature range, the temperature deviation of detection indoor environment temperature and design temperature；Interior is changed according to temperature deviation
The step of operation quantity of the operation quantity and indoor fan and outdoor fan of hot device and outdoor heat exchanger is adjusted also is wrapped
Include：
When temperature deviation is more than or equal to h and during less than g, an indoor heat exchanger and its corresponding blower fan are closed, open one
Indoor heat exchanger, and control the indoor fan middling speed corresponding to it to run；
Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, the outdoor corresponding to the outdoor heat exchanger of the opening is controlled
Blower fan runs at high speed, and controls the outdoor fan middling speed operating adjacent with the outdoor fan, closes other outdoor fans；Wherein
g>h。
12. fixed frequency air conditioner halt control methods according to claim 11, it is characterised in that described to work as outdoor environment temperature
When reaching preset temperature range, the temperature deviation of detection indoor environment temperature and design temperature；Interior is changed according to temperature deviation
The step of operation quantity of the operation quantity and indoor fan and outdoor fan of hot device and outdoor heat exchanger is adjusted also is wrapped
Include：
When temperature deviation is less than h, an indoor heat exchanger and its corresponding indoor fan are closed, control another indoor heat exchange
Device runs, and controls the corresponding indoor fan middling speed of the indoor heat exchanger to operate；
Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, the outdoor corresponding to the outdoor heat exchanger of the opening is controlled
Blower fan low-speed running, closes other outdoor fans.
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| CN109595850A (en) * | 2019-01-08 | 2019-04-09 | 广东美的暖通设备有限公司 | Control method and air-conditioning system |
| CN109654691A (en) * | 2019-03-12 | 2019-04-19 | 新誉轨道交通科技有限公司 | Air conditioning control method, device, electronic equipment and computer readable storage medium |
| CN112923520A (en) * | 2021-02-05 | 2021-06-08 | 海信（山东）空调有限公司 | Air conditioner and air conditioner control method |
| CN113883664A (en) * | 2021-10-09 | 2022-01-04 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit fixed-frequency fan control method, fan blade assembly, fan and air conditioner |
| CN113932415A (en) * | 2021-10-14 | 2022-01-14 | 青岛海尔空调器有限总公司 | Air conditioner control method and air conditioner |
| CN115654646A (en) * | 2022-10-19 | 2023-01-31 | 珠海格力电器股份有限公司 | Control method and control device of air conditioner and air conditioner |
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| CN115654646B (en) * | 2022-10-19 | 2024-05-31 | 珠海格力电器股份有限公司 | Control method and control device of air conditioner and air conditioner |
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