CN106765913B - Fixed frequency air conditioner not halt control method - Google Patents
Fixed frequency air conditioner not halt control method Download PDFInfo
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- CN106765913B CN106765913B CN201611111301.7A CN201611111301A CN106765913B CN 106765913 B CN106765913 B CN 106765913B CN 201611111301 A CN201611111301 A CN 201611111301A CN 106765913 B CN106765913 B CN 106765913B
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
Abstract
The invention discloses a kind of fixed frequency air conditioner not halt control methods.Halt control method does not include: detection outdoor environment temperature to the fixed frequency air conditioner；When outdoor environment temperature is in preset temperature range, the operation quantity of the temperature range range according to locating for outdoor environment temperature, operation quantity and indoor fan and outdoor fan to indoor heat exchanger and outdoor heat exchanger is adjusted；When outdoor environment temperature is in outside preset temperature range, the temperature deviation of indoor environment temperature and set temperature is detected；The operation quantity and indoor fan of indoor heat exchanger and outdoor heat exchanger and the operation quantity of outdoor fan are adjusted according to temperature deviation.Fixed frequency air conditioner according to the present invention not halt control method, can not have to shut down make the output of the energy of room thermic load and fixed frequency air conditioner match, and improve the working performance of air-conditioning, and can be to avoid the service life for influencing compressor.
Description
Technical field
The present invention relates to air conditioner technical field, in particular to a kind of fixed frequency air conditioner not halt control method.
Background technique
Currently, traditionally being largely both configured to run refrigeration mode and low temperature under hot environment for the use of air conditioner
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 operates under cryogenic refrigeration mode, and when operating load is smaller, the pressure at expulsion that will lead to compressor is less than normal, generates
The problem of compressor pressure ratio deficiency influences the stabilization of air-conditioner system operation if longtime running is likely to result in compressor oil starvation
Property.For frequency-changeable compressor, compressor and room thermic load can be made to be adapted by adjusting the frequency of compressor, mentioned
The service life of high air conditioner.
But for constant speed domestic air conditioning, cannot as frequency changer according to the variation of room thermic load come in real time into
Row is adjusted.The adjusting of energy can only be carried out by frequent startup-shutdown in this way, not only the not energy-efficient service life for having an effect on press.
Summary of the invention
The purpose of the present invention is to propose to a kind of fixed frequency air conditioner not halt control method, can not have to shut down make room thermic load
Energy output with fixed frequency air conditioner matches, and improves the working performance of air-conditioning, and can be to avoid the service life for influencing compressor.
According to an aspect of the invention, there is provided halt control method, the fixed frequency air conditioner do not include a kind of fixed frequency air conditioner
Indoor heat exchanger, invariable frequency compressor, indoor heat exchanger and throttling set, multiple indoor heat exchangers are in parallel, each indoor heat exchanger
It is correspondingly arranged at least one indoor fan, multiple outdoor heat exchangers are in parallel, and each outdoor heat exchanger is correspondingly arranged at least one
A outdoor fan, control method include: detection outdoor environment temperature；When outdoor environment temperature is in preset temperature range,
The temperature range range according to locating for outdoor environment temperature, operation quantity and interior to indoor heat exchanger and outdoor heat exchanger
The operation quantity of blower and outdoor fan is adjusted；When outdoor environment temperature is in outside preset temperature range, detection is indoor
The temperature deviation of environment temperature and set temperature；According to temperature deviation to the operation quantity of indoor heat exchanger and outdoor heat exchanger with
And the operation quantity of indoor fan and outdoor fan is adjusted.
Preferably, indoor heat exchanger is arranged in a one-to-one correspondence with indoor fan, and outdoor heat exchanger and outdoor fan correspond
Setting, indoor heat exchanger are two, and outdoor heat exchanger is four, when outdoor environment temperature is in preset temperature range, root
Operation quantity and indoor wind according to temperature range range locating for outdoor environment temperature, to indoor heat exchanger and outdoor heat exchanger
The step of operation quantity of machine and outdoor fan is adjusted includes: the operating status for detecting air-conditioning；When operation of air conditioner refrigeration,
Compare outdoor environment temperature and preset temperature；When outdoor environment temperature is greater than or equal to preset temperature a, control air-conditioning maximum is negative
Lotus operation, all indoor heat exchangers, all indoor fans, all outdoor heat exchangers and has indoor fan standard-sized sheet.
Preferably, when outdoor environment temperature is in preset temperature range, the temperature according to locating for outdoor environment temperature
Interval range, the operation quantity of operation quantity and indoor fan and outdoor fan to indoor heat exchanger and outdoor heat exchanger into
The step of row is adjusted further include: when outdoor environment temperature is less than preset temperature a, compare outdoor environment temperature and preset temperature b；
When outdoor environment temperature is greater than or equal to preset temperature b, all indoor heat exchangers and all indoor fan standard-sized sheets are controlled, are closed
One outdoor heat exchanger and the corresponding outdoor fan of the outdoor heat exchanger；Wherein a > b.
Preferably, when outdoor environment temperature is in outside preset temperature range, indoor environment temperature and set temperature are detected
Temperature deviation；According to temperature deviation to the operation quantity and indoor fan of indoor heat exchanger and outdoor heat exchanger and outdoor wind
The step of operation quantity of machine is adjusted includes: to detect indoor environment temperature when outdoor environment temperature is less than preset temperature b
With the temperature deviation of target temperature；When temperature deviation is greater than or equal to c, indoor heat exchanger standard-sized sheet, indoor fan middling speed are controlled
Operation, controls an outdoor heat exchanger and its corresponding outdoor fan is closed, and controls the operation of other outdoor fan middling speeds.
Preferably, when outdoor environment temperature is in outside preset temperature range, indoor environment temperature and set temperature are detected
Temperature deviation；According to temperature deviation to the operation quantity and indoor fan of indoor heat exchanger and outdoor heat exchanger and outdoor wind
The step of operation quantity of machine is adjusted further include: when temperature deviation is greater than or equal to d and is less than c, close an interior
Heat exchanger and its corresponding indoor fan control the operation of another indoor heat exchanger, and control the corresponding room of the indoor heat exchanger
The operating of inner blower middling speed；Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, control the outdoor heat exchanger institute of the opening
Corresponding outdoor fan runs at high speed, and controls the outdoor fan middling speed operating adjacent with the outdoor fan, closes other rooms
Outer blower；Wherein c > d.
Preferably, when outdoor environment temperature is in outside preset temperature range, indoor environment temperature and set temperature are detected
Temperature deviation；According to temperature deviation to the operation quantity and indoor fan of indoor heat exchanger and outdoor heat exchanger and outdoor wind
The step of operation quantity of machine is adjusted further include: when temperature deviation is less than d, close an indoor heat exchanger and its correspondence
Indoor fan, control the operation of another indoor heat exchanger, and control the indoor heat exchanger corresponding indoor fan middling speed operating；
Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, controls outdoor fan corresponding to the outdoor heat exchanger of the opening
Low-speed running closes other outdoor fans.
Preferably, indoor heat exchanger is arranged in a one-to-one correspondence with indoor fan, and outdoor heat exchanger and outdoor fan correspond
Setting, indoor heat exchanger are two, and outdoor heat exchanger is four, when outdoor environment temperature is in preset temperature range, root
Operation quantity and indoor wind according to temperature range range locating for outdoor environment temperature, to indoor heat exchanger and outdoor heat exchanger
The step of operation quantity of machine and outdoor fan is adjusted includes: the operating status for detecting air-conditioning；When operation of air conditioner heating,
Compare outdoor environment temperature and preset temperature；When outdoor environment temperature is less than or equal to preset temperature e, control air-conditioning maximum is negative
Lotus operation, all indoor heat exchangers, all indoor fans, all outdoor heat exchangers and has indoor fan standard-sized sheet.
Preferably, when outdoor environment temperature is in preset temperature range, the temperature according to locating for outdoor environment temperature
Interval range, the operation quantity of operation quantity and indoor fan and outdoor fan to indoor heat exchanger and outdoor heat exchanger into
The step of row is adjusted further include: when outdoor environment temperature is greater than preset temperature e, compare outdoor environment temperature and preset temperature f；
When outdoor environment temperature is less than and is equal to preset temperature f, indoor heat exchanger and indoor fan standard-sized sheet are controlled；Close an outdoor
Heat exchanger and its corresponding outdoor fan, other outdoor fan high-speed cruisings；Wherein e < f.
Preferably, when outdoor environment temperature is in outside preset temperature range, indoor environment temperature and set temperature are detected
Temperature deviation；According to temperature deviation to the operation quantity and indoor fan of indoor heat exchanger and outdoor heat exchanger and outdoor wind
The step of operation quantity of machine is adjusted further include: when outdoor environment temperature is greater than preset temperature f, detect indoor environment temperature
The temperature deviation of degree and target temperature；When temperature deviation is greater than or equal to g, indoor heat exchanger standard-sized sheet, wind in control room are controlled
The operation of machine middling speed；It controls one of outdoor heat exchanger and its corresponding outdoor fan is closed, control in other outdoor heat exchangers
Speed operation.
Preferably, when outdoor environment temperature is in outside preset temperature range, indoor environment temperature and set temperature are detected
Temperature deviation；According to temperature deviation to the operation quantity and indoor fan of indoor heat exchanger and outdoor heat exchanger and outdoor wind
The step of operation quantity of machine is adjusted further include: when temperature deviation is greater than or equal to h and is less than g, close an interior
Heat exchanger and its corresponding blower open an indoor heat exchanger, and control the operation of the indoor fan middling speed corresponding to it；It closes
Three outdoor heat exchangers open an outdoor heat exchanger, control the high speed of outdoor fan corresponding to the outdoor heat exchanger of the opening
Operating controls the outdoor fan middling speed operating adjacent with the outdoor fan, closes other outdoor fans；Wherein g > h.
Preferably, when outdoor environment temperature is in outside preset temperature range, indoor environment temperature and set temperature are detected
Temperature deviation；According to temperature deviation to the operation quantity and indoor fan of indoor heat exchanger and outdoor heat exchanger and outdoor wind
The step of operation quantity of machine is adjusted further include: when temperature deviation is less than h, close an indoor heat exchanger and its correspondence
Indoor fan, control the operation of another indoor heat exchanger, and control the indoor heat exchanger corresponding indoor fan middling speed operating；
Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, controls outdoor fan corresponding to the outdoor heat exchanger of the opening
Low-speed running closes other outdoor fans.
Halt control method, the fixed frequency air conditioner do not include indoor heat exchanger, invariable frequency compressor, room to fixed frequency air conditioner of the invention
Interior heat exchanger and throttling set, multiple indoor heat exchangers are in parallel, and each indoor heat exchanger is correspondingly arranged at least one indoor wind
Machine, multiple outdoor heat exchangers are in parallel, and each outdoor heat exchanger is correspondingly arranged at least one outdoor fan, and control method includes:
Detect outdoor environment temperature；When outdoor environment temperature is in preset temperature range, the temperature according to locating for outdoor environment temperature
Spend interval range, the operation quantity of operation quantity and indoor fan and outdoor fan to indoor heat exchanger and outdoor heat exchanger
It is adjusted；When outdoor environment temperature is in outside preset temperature range, the temperature of indoor environment temperature and set temperature is detected
Deviation；According to temperature deviation to the operation quantity and indoor fan of indoor heat exchanger and outdoor heat exchanger and the fortune of outdoor fan
Line number amount is adjusted.By above-mentioned control method, can according between outdoor environment and preset temperature relationship and room
Control is adjusted to the heat exchanger quantity and blower quantity of operation in the temperature deviation of interior environment temperature and set temperature, to make
Fixed frequency air conditioner do not adjust operation of air conditioner frequency also adjustable air-conditioning energy output so that the refrigeration demand in room or heating need
It asks and matches with the refrigeration duty of fixed frequency air conditioner or thermic load, can be improved the work efficiency of air-conditioning, and can be to avoid frequent start-stop
Machine impacts the compressor service life.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present 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 not 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
Practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, each embodiment individually or can be indicated generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the range for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any actual relationships between these entities or operation
Or sequence.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, thus
So that process, method or equipment including a series of elements not only include those elements, but also including being not explicitly listed
Other element, or further include for this process, method or the intrinsic element of equipment.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in process, method or equipment including the element
In there is also other identical elements.Each embodiment herein is described in a progressive manner, and each embodiment stresses
Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For implementing
For method, product etc. disclosed in example, since it is corresponding with method part disclosed in embodiment, so the comparison of description is simple
Single, reference may be made to the description of the method.
In conjunction with referring to shown in Fig. 1 and 2, according to an embodiment of the invention, fixed frequency air conditioner is not based on halt control method
Fixed frequency air conditioner includes indoor heat exchanger, invariable frequency compressor, indoor heat exchanger and throttling set, and multiple indoor heat exchangers are in parallel, often
A indoor heat exchanger is correspondingly arranged at least one indoor fan, and multiple outdoor heat exchangers are in parallel, and each outdoor heat exchanger is corresponding
It is provided at least one outdoor fan, halt control method does not include: detection outdoor environment temperature to fixed frequency air conditioner；Work as outdoor environment
When temperature is in preset temperature range, the temperature range range according to locating for outdoor environment temperature, to indoor heat exchanger and room
The operation quantity and indoor fan of external heat exchanger and the operation quantity of outdoor fan are adjusted
Section；When outdoor environment temperature is in outside preset temperature range, the temperature of indoor environment temperature and set temperature is detected
Spend deviation；According to temperature deviation to the operation quantity and indoor fan of indoor heat exchanger and outdoor heat exchanger and outdoor fan
Operation quantity is adjusted.
It, can be according to the relationship and indoor environment temperature between outdoor environment and preset temperature by above-mentioned control method
Control is adjusted to the heat exchanger quantity and blower quantity of operation in degree and the temperature deviation of set temperature, to make fixed frequency air conditioner
Do not adjust operation of air conditioner frequency also adjustable air-conditioning energy output so that the energy of room thermic load and fixed frequency air conditioner export
Match, can be improved the work efficiency of air-conditioning, and can impact to avoid frequent start-stop machine to the compressor service life.
For example, the air-conditioning that machine system fan-out capability is 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, may be implemented 1,2 and 3 output function, so that fixed frequency is empty
The output power of tune becomes adjustable, can preferably match with the thermic load in room, avoids energy waste, operation of air conditioner is more
Supernumerary segment energy.Certainly, for different fixed frequency air conditioners, adjustable indoor heat exchanger and indoor fan and outdoor heat exchanger and room
The quantity of outer blower preferably meets Energy Saving Control requirement so as to export more kinds of power.
In the present embodiment, indoor heat exchanger is arranged in a one-to-one correspondence with indoor fan, outdoor heat exchanger and outdoor fan one
One is correspondingly arranged, and indoor heat exchanger is two, wherein the both ends of first indoor heat exchanger are controlled by valve 1 and valve 3, corresponding room
Inner blower is blower 1, and the both ends of second indoor heat exchanger are controlled by valve 2 and valve 4, and corresponding indoor fan is blower 2；It is outdoor
Heat exchanger is four, and first outdoor heat exchanger both ends are controlled by valve 5 and valve 9, and corresponding outdoor fan is blower 3, second
Outdoor heat exchanger both ends are controlled by valve 6 and valve 10, and corresponding outdoor fan is blower 4, and third outdoor heat exchanger both ends pass through
Valve 7 and valve 11 control, and corresponding outdoor fan is blower 5, and the 4th outdoor heat exchanger both ends are controlled by valve 8 and valve 12, corresponding
Outdoor fan is blower 6, and electric expansion valve and compressor are connected between outdoor unit and indoor unit.
Certainly, the quantity and outdoor heat exchanger of indoor heat exchanger and indoor fan and the quantity of outdoor fan can roots
It is adjusted according to needs.
By taking above-mentioned air-conditioning as an example, during operation of air conditioner, when outdoor environment temperature is in preset temperature range,
The temperature range range according to locating for outdoor environment temperature, operation quantity and interior to indoor heat exchanger and outdoor heat exchanger
The step of operation quantity of blower and outdoor fan is adjusted includes: the operating status for detecting air-conditioning；When operation of air conditioner freezes
When, compare outdoor environment temperature and preset temperature；When outdoor environment temperature is greater than or equal to preset temperature a, control air-conditioning is most
Large load operation, all indoor heat exchangers, all indoor fans, all outdoor heat exchangers and has indoor fan standard-sized sheet.
Since outdoor environment temperature at this time is greater than or equal to a higher preset temperature, at this time the exchange capability of heat of air-conditioning compared with
Difference needs air-conditioning to run with all strength, can guarantee that room temperature can quickly reach set temperature range, meet the use of user
Demand.
For the air-conditioning of the present embodiment, valve 1,4 standard-sized sheet of valve 2, valve 3 and valve at this time, 2 standard-sized sheet of blower 1 and blower, valve 5
To 12 standard-sized sheet of valve, blower 3 to 6 standard-sized sheet of blower guarantees that the interior machine system of air-conditioning is all turned on, and outer machine system is all turned on, air-conditioning
It runs 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 greater than or equal to preset temperature b, all indoor heat exchangers and all indoor fan standard-sized sheets are controlled, an outdoor is closed and changes
Hot device and the corresponding outdoor fan of the outdoor heat exchanger；Wherein a > b.When outdoor environment temperature is less than preset temperature a, explanation
Temperature difference between outdoor heat exchanger and outdoor environment temperature can provide enough condensation heat releases, therefore can reduce room at this time
The operation quantity of external heat exchanger improves the fortune of air-conditioning so that the heat exchange of outdoor heat exchanger and the heat exchange of indoor heat exchanger match
Row efficiency.
The interior machine valve of air-conditioning is fully open at this time, 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 both ends are closed, and blower 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 indoor environment temperature and target temperature is detected；When
When temperature deviation is greater 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, and the operation of other outdoor fan middling speeds is controlled.
When outdoor environment temperature is less than preset temperature b, the heat exchange amount of outdoor heat exchanger at this time can satisfy interior and change
The heat exchange of hot device needs, and needs to consider the temperature deviation of indoor environment temperature and target temperature, to enable air-conditioning in high energy
Indoor environment temperature is adjusted under effect state, it is made quickly to reach set temperature.
The decline of the heat exchange amount as needed for outdoor heat exchanger at this time, and indoor heat exchange amount also can satisfy room temperature
It adjusts and needs, therefore indoor fan standard-sized sheet at this time, but be to maintain middling speed operation, one heat exchanger of outdoor closing, and stop this and change
The corresponding outdoor fan of hot device, and the operating of other outdoor fan middling speeds is controlled, so that outdoor heat exchange amount be kept to change always with interior
Heat matches, and the output power of air-conditioning is reduced, and work efficiency improves.
The interior machine valve of air-conditioning is fully open at this time, 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 both ends are closed, and blower 6 corresponding to the 4th outdoor heat exchanger is out of service, other several outdoor fans
Middling speed operation.
When temperature deviation is greater than or equal to d and is less than c, an indoor heat exchanger and its corresponding indoor fan are closed,
The operation of another indoor heat exchanger is controlled, and controls the corresponding indoor fan middling speed operating of the indoor heat exchanger；Close three rooms
External heat exchanger opens an outdoor heat exchanger, controls outdoor fan corresponding to the outdoor heat exchanger of the opening and runs at high speed, control
The outdoor fan middling speed operating adjacent with the outdoor fan is made, other outdoor fans are closed；Wherein c > d.
When temperature deviation is greater than or equal to d and is less than c, illustrate between current indoor environment temperature and set temperature
Difference is smaller, it is only necessary to and air conditioner exports lower power and is to ensure that indoor environment temperature reaches set temperature, because
This only needs to open an indoor heat exchanger at this time, and operates indoor fan middling speed corresponding to the indoor heat exchanger, simultaneously
An outdoor heat exchanger is only opened, and controls the corresponding outdoor fan of the outdoor heat exchanger and runs at high speed, the outdoor heat exchanger phase
Adjacent outdoor fan middling speed operating, it will be able to so that the heat exchange amount phase of the heat exchange amount of outdoor heat exchanger and indoor heat exchanger
Match, while indoor environment temperature can be finely adjusted, indoor environment temperature is enabled accurately to reach set temperature.
In the present embodiment, at this time under state in the interior machine of the air-conditioning, valve 1 and valve 3 are closed, and first indoor heat exchanger closes
It closes, 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 2 middling speed of blower corresponding to second indoor heat exchanger operates.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 3 runs at high speed, the operating of 4 middling speed of blower, blower 5 and blower 6
It shuts down.
When temperature deviation is less than d, an indoor heat exchanger and its corresponding indoor fan are closed, controls another interior
Heat exchanger operation, and control the corresponding indoor fan middling speed operating of the indoor heat exchanger；Three outdoor heat exchangers are closed, open one
A outdoor heat exchanger controls 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 set temperature is less than d, illustrate that indoor environment temperature has reached target temperature model
It encloses, no longer needs to that indoor environment temperature is adjusted at this time, it is only necessary to keep current operating conditions, that is, may make indoor heat exchange amount
Match with outdoor heat exchange amount.At this time can the running speed etc. to blower be adjusted so that operation of air conditioner is in preferable efficiency.
In the present embodiment, at this time under state in the interior machine of the air-conditioning, valve 1 and valve 3 are closed, and first indoor heat exchanger closes
It closes, 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 2 middling speed of blower corresponding to second indoor heat exchanger operates.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 the operating of 3 middling speed of blower, blower 4, blower 5 and blower 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.
When operation of air conditioner heating, compare outdoor environment temperature and preset temperature；When outdoor environment temperature is less than or equal to
When preset temperature e, control air-conditioning peak load operation, all indoor heat exchangers, all indoor fans, all outdoor heat exchangers with
And there is indoor fan standard-sized sheet.
Since outdoor environment temperature at this time is less than or equal to a lower preset temperature, at this time the exchange capability of heat of air-conditioning compared with
Difference needs air-conditioning to run with all strength, can guarantee that room temperature can quickly reach set temperature range, meet the use of user
Demand.
For the air-conditioning of the present embodiment, valve 1,4 standard-sized sheet of valve 2, valve 3 and valve at this time, 2 standard-sized sheet of blower 1 and blower, valve 5
To 12 standard-sized sheet of valve, blower 3 to 6 standard-sized sheet of blower guarantees that the interior machine system of air-conditioning is all turned on, and outer machine system is all turned on, air-conditioning
It runs with all strength.
When outdoor environment temperature is greater than preset temperature e, compare outdoor environment temperature and preset temperature f；Work as outdoor environment
When temperature is less than and is equal to preset temperature f, indoor heat exchanger and indoor fan standard-sized sheet are controlled；Close an outdoor heat exchanger and its
Corresponding outdoor fan, other outdoor fan high-speed cruisings；Wherein e < f.
When outdoor environment temperature is greater than preset temperature e, illustrate the temperature between outdoor heat exchanger and outdoor environment temperature
Difference can be absorbed enough heats and discharge for indoor unit, therefore can reduce the operation quantity of outdoor heat exchanger at this time, so that room
The heat exchange of external heat exchanger and the heat exchange of indoor heat exchanger match, and improve the operational energy efficiency of air-conditioning.
The interior machine valve of air-conditioning is fully open at this time, 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 both ends are closed, and blower 6 corresponding to the 4th outdoor heat exchanger is out of service, other several outdoor fans
High-speed cruising.
When outdoor environment temperature is greater than preset temperature f, the temperature deviation of indoor environment temperature and target temperature is detected；When
When temperature deviation is greater than or equal to g, indoor heat exchanger standard-sized sheet, control indoor fan middling speed operation are controlled；Control one of room
External heat exchanger and its corresponding outdoor fan are closed, and other outdoor fan middling speed operations are controlled.
When outdoor environment temperature is greater than preset temperature f, the heat exchange amount of outdoor heat exchanger at this time can satisfy interior and change
The heat exchange of hot device needs, and needs to consider the temperature deviation of indoor environment temperature and target temperature, to enable air-conditioning in high energy
Indoor environment temperature is adjusted under effect state, it is made quickly to reach set temperature.
The decline of the heat exchange amount as needed for outdoor heat exchanger at this time, and indoor heat exchange amount also can satisfy room temperature
It adjusts and needs, therefore indoor fan standard-sized sheet at this time, but be to maintain middling speed operation, one heat exchanger of outdoor closing, and stop this and change
The corresponding outdoor fan of hot device, and the operating of other outdoor fan middling speeds is controlled, so that outdoor heat exchange amount be kept to change always with interior
Heat matches, and the output power of air-conditioning is reduced, and work efficiency improves.
The interior machine valve of air-conditioning is fully open at this time, 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 both ends are closed, and blower 6 corresponding to the 4th outdoor heat exchanger is out of service, other several outdoor fans
Middling speed operation.
When temperature deviation is greater than or equal to h and is less than g, an indoor heat exchanger and its corresponding blower are closed, is opened
One indoor heat exchanger, and control the operation of the indoor fan middling speed corresponding to it；Three outdoor heat exchangers are closed, a room is opened
External heat exchanger controls outdoor fan corresponding to the outdoor heat exchanger of the opening and runs 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 greater than or equal to h and is less than g, illustrate between current indoor environment temperature and set temperature
Difference is smaller, it is only necessary to and air conditioner exports lower power and is to ensure that indoor environment temperature reaches set temperature, because
This only needs to open an indoor heat exchanger at this time, and operates indoor fan middling speed corresponding to the indoor heat exchanger, simultaneously
An outdoor heat exchanger is only opened, and controls the corresponding outdoor fan of the outdoor heat exchanger and runs at high speed, the outdoor heat exchanger phase
Adjacent outdoor fan middling speed operating, it will be able to so that the heat exchange amount phase of the heat exchange amount of outdoor heat exchanger and indoor heat exchanger
Match, while indoor environment temperature can be finely adjusted, indoor environment temperature is enabled accurately to reach set temperature.
In the present embodiment, at this time under state in the interior machine of the air-conditioning, valve 1 and valve 3 are closed, and first indoor heat exchanger closes
It closes, 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 2 middling speed of blower corresponding to second indoor heat exchanger operates.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 3 runs at high speed, the operating of 4 middling speed of blower, blower 5 and blower 6
It shuts down.
When temperature deviation is less than h, an indoor heat exchanger and its corresponding indoor fan are closed, controls another interior
Heat exchanger operation, and control the corresponding indoor fan middling speed operating of the indoor heat exchanger；Three outdoor heat exchangers are closed, open one
A outdoor heat exchanger controls 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 set temperature is less than h, illustrate that indoor environment temperature has reached mesh
Temperature range is marked, no longer needs to that indoor environment temperature is adjusted at this time, it is only necessary to keep current operating conditions, that is, may make room
Interior heat exchange amount matches with outdoor heat exchange amount.At this time can the running speed etc. to blower be adjusted so that operation of air conditioner exists
Preferable efficiency.
In the present embodiment, at this time under state in the interior machine of the air-conditioning, valve 1 and valve 3 are closed, and first indoor heat exchanger closes
It closes, 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 2 middling speed of blower corresponding to second indoor heat exchanger operates.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 the operating of 3 middling speed of blower, blower 4, blower 5 and blower 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.
It should be understood that the invention is not limited to the process and structure that are described above and are shown in the accompanying drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by the attached claims
System.
Claims (11)
1. halt control method, the fixed frequency air conditioner do not include indoor heat exchanger, invariable frequency compressor, outdoor heat exchange to a kind of fixed frequency air conditioner
Device and throttling set, which is characterized in that multiple indoor heat exchangers are in parallel, each indoor heat exchanger be correspondingly arranged on to
A few indoor fan, multiple outdoor heat exchangers are in parallel, and each outdoor heat exchanger is correspondingly arranged at least one room
Outer blower, the control method include:
Detect outdoor environment temperature；
When outdoor environment temperature is in preset temperature range, temperature range range, right according to locating for outdoor environment temperature
The operation quantity of the operation quantity and indoor fan and outdoor fan of indoor heat exchanger and outdoor heat exchanger is adjusted；
When outdoor environment temperature is in outside preset temperature range, the temperature deviation of indoor environment temperature and set temperature is detected；
According to temperature deviation to the operation quantity and indoor fan of indoor heat exchanger and outdoor heat exchanger and the fortune of outdoor fan
Line number amount is adjusted.
2. fixed frequency air conditioner according to claim 1 not halt control method, which is characterized in that the indoor heat exchanger and institute
It states indoor fan to be arranged in a one-to-one correspondence, the outdoor heat exchanger is arranged in a one-to-one correspondence with the outdoor fan, the interior heat exchange
Device is two, and the outdoor heat exchanger is four, described when outdoor environment temperature is in preset temperature range, according to outdoor
Temperature range range locating for environment temperature, operation quantity and indoor fan and room to indoor heat exchanger and outdoor heat exchanger
The step of operation quantity of outer blower is adjusted include:
Detect the operating status of air-conditioning；
When operation of air conditioner refrigeration, compare outdoor environment temperature and preset temperature；
When outdoor environment temperature is greater than or equal to preset temperature a, control air-conditioning peak load operation, all indoor heat exchangers,
All indoor fans, all outdoor heat exchangers and all indoor fan standard-sized sheets.
3. fixed frequency air conditioner according to claim 2 not halt control method, which is characterized in that described to work as outdoor environment temperature
When in preset temperature range, temperature range range, changes indoor heat exchanger and outdoor according to locating for outdoor environment temperature
The step of operation quantity and indoor fan of hot device and the operation quantity of outdoor fan are adjusted further include:
When outdoor environment temperature is less than preset temperature a, compare outdoor environment temperature and preset temperature b；
When outdoor environment temperature is greater 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.
4. fixed frequency air conditioner according to claim 3 not halt control method, which is characterized in that described to work as outdoor environment temperature
When outside preset temperature range, the temperature deviation of indoor environment temperature and set temperature is detected；According to temperature deviation to interior
The step of operation quantity of the operation quantity and indoor fan and outdoor fan of heat exchanger and outdoor heat exchanger is adjusted packet
It includes:
When outdoor environment temperature is less than preset temperature b, the temperature deviation of indoor environment temperature and target temperature is detected；
When temperature deviation is greater 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 the operation of other outdoor fan middling speeds is controlled.
5. fixed frequency air conditioner according to claim 4 not halt control method, which is characterized in that described to work as outdoor environment temperature
When outside preset temperature range, the temperature deviation of indoor environment temperature and set temperature is detected；According to temperature deviation to interior
The step of operation quantity of the operation quantity and indoor fan and outdoor fan of heat exchanger and outdoor heat exchanger is adjusted is also
Include:
When temperature deviation is greater than or equal to d and is less than c, an indoor heat exchanger and its corresponding indoor fan are closed, is controlled
The operation of another indoor heat exchanger, and control the corresponding indoor fan middling speed operating of the indoor heat exchanger；
Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, controls outdoor corresponding to the outdoor heat exchanger of the opening
Blower runs at high speed, and controls the outdoor fan middling speed operating adjacent with the outdoor fan, closes other outdoor fans；Wherein
c>d。
6. fixed frequency air conditioner according to claim 5 not halt control method, which is characterized in that described to work as outdoor environment temperature
When outside preset temperature range, the temperature deviation of indoor environment temperature and set temperature is detected；According to temperature deviation to interior
The step of operation quantity of the operation quantity and indoor fan and outdoor fan of heat exchanger and outdoor heat exchanger is adjusted is also
Include:
When temperature deviation is less than d, an indoor heat exchanger and its corresponding indoor fan are closed, controls another indoor heat exchange
Device operation, and control the corresponding indoor fan middling speed operating of the indoor heat exchanger；
Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, controls outdoor corresponding to the outdoor heat exchanger of the opening
Blower low-speed running closes other outdoor fans.
7. fixed frequency air conditioner according to claim 1 not halt control method, which is characterized in that the indoor heat exchanger and institute
It states indoor fan to be arranged in a one-to-one correspondence, the outdoor heat exchanger is arranged in a one-to-one correspondence with the outdoor fan, the interior heat exchange
Device is two, and the outdoor heat exchanger is four, described when outdoor environment temperature is in preset temperature range, according to outdoor
Temperature range range locating for environment temperature, operation quantity and indoor fan and room to indoor heat exchanger and outdoor heat exchanger
The step of operation quantity of outer blower is adjusted include:
Detect the operating status of air-conditioning；
When operation of air conditioner heating, compare outdoor environment temperature and preset temperature；
When outdoor environment temperature is less than or equal to preset temperature e, control air-conditioning peak load operation, all indoor heat exchangers,
All indoor fans, all outdoor heat exchangers and all indoor fan standard-sized sheets.
8. fixed frequency air conditioner according to claim 7 not halt control method, which is characterized in that described to work as outdoor environment temperature
When in preset temperature range, temperature range range, changes indoor heat exchanger and outdoor according to locating for outdoor environment temperature
The step of operation quantity and indoor fan of hot device and the operation quantity of outdoor fan are adjusted further include:
When outdoor environment temperature is greater than preset temperature e, compare outdoor environment temperature and preset temperature f；
When outdoor environment temperature is less than and is equal to preset temperature f, indoor heat exchanger and indoor fan standard-sized sheet are controlled；
Close an outdoor heat exchanger and its corresponding outdoor fan, other outdoor fan high-speed cruisings；Wherein e < f.
9. fixed frequency air conditioner according to claim 8 not halt control method, which is characterized in that described to work as outdoor environment temperature
When outside preset temperature range, the temperature deviation of indoor environment temperature and set temperature is detected；According to temperature deviation to interior
The step of operation quantity of the operation quantity and indoor fan and outdoor fan of heat exchanger and outdoor heat exchanger is adjusted is also
Include:
When outdoor environment temperature is greater than preset temperature f, the temperature deviation of indoor environment temperature and target temperature is detected；
When temperature deviation is greater than or equal to g, indoor heat exchanger standard-sized sheet, control indoor fan middling speed operation are controlled；
It controls one of outdoor heat exchanger and its corresponding outdoor fan is closed, control other outdoor fan middling speed operations.
10. fixed frequency air conditioner according to claim 9 not halt control method, which is characterized in that described to work as outdoor environment temperature
When degree is outside preset temperature range, the temperature deviation of indoor environment temperature and set temperature is detected；According to temperature deviation to room
The step of operation quantity of the operation quantity and indoor fan and outdoor fan of interior heat exchanger and outdoor heat exchanger is adjusted
Further include:
When temperature deviation is greater than or equal to h and is less than g, an indoor heat exchanger and its corresponding blower are closed, opens one
Indoor heat exchanger, and control the operation of the indoor fan middling speed corresponding to it；
Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, controls outdoor corresponding to the outdoor heat exchanger of the opening
Blower runs at high speed, and controls the outdoor fan middling speed operating adjacent with the outdoor fan, closes other outdoor fans；Wherein
g>h。
11. fixed frequency air conditioner according to claim 10 not halt control method, which is characterized in that described to work as outdoor environment temperature
When degree is outside preset temperature range, the temperature deviation of indoor environment temperature and set temperature is detected；According to temperature deviation to room
The step of operation quantity of the operation quantity and indoor fan and outdoor fan of interior heat exchanger and outdoor heat exchanger is adjusted
Further include:
When temperature deviation is less than h, an indoor heat exchanger and its corresponding indoor fan are closed, controls another indoor heat exchange
Device operation, and control the corresponding indoor fan middling speed operating of the indoor heat exchanger；
Three outdoor heat exchangers are closed, an outdoor heat exchanger is opened, controls outdoor corresponding to the outdoor heat exchanger of the opening
Blower low-speed running closes other outdoor fans.
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| CN201611111301.7A CN106765913B (en) | 2016-12-02 | 2016-12-02 | Fixed frequency air conditioner not halt control method |
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| CN109595850B (en) * | 2019-01-08 | 2021-09-07 | 广东美的暖通设备有限公司 | Control method and air conditioning system |
| CN109855257B (en) * | 2019-02-28 | 2021-09-21 | 宁波奥克斯电气股份有限公司 | Control method and device for improving comfort of air conditioner, air conditioner and storage medium |
| CN114264052B (en) * | 2021-12-24 | 2023-03-17 | 珠海格力电器股份有限公司 | Refrigeration control method and air conditioner |
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| JP2012002455A (en) * | 2010-06-18 | 2012-01-05 | Daikin Industries Ltd | Air conditioner |
| CN202403339U (en) * | 2011-12-22 | 2012-08-29 | 深圳市英维克科技有限公司 | Energy-saving air conditioning system |
| CN102914031A (en) * | 2012-10-17 | 2013-02-06 | 常州苏控自动化设备有限公司 | Air conditioner with circulation energy-saving device |
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