CN110243063A - A kind of control method, system and the air-conditioning of compressor of air conditioner multi-mode operation - Google Patents
A kind of control method, system and the air-conditioning of compressor of air conditioner multi-mode operation Download PDFInfo
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- CN110243063A CN110243063A CN201910546427.4A CN201910546427A CN110243063A CN 110243063 A CN110243063 A CN 110243063A CN 201910546427 A CN201910546427 A CN 201910546427A CN 110243063 A CN110243063 A CN 110243063A
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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
- F24F11/46—Improving electric energy efficiency or saving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- 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
Abstract
A kind of control method, system and the air-conditioning of compressor of air conditioner multi-mode operation, control method include: after receiving the control instruction that high frequency starts operational mode, normal operation mode or energy conservation model after air-conditioning is opened, and compressor enters associative mode.High frequency start mode can satisfy the quick heating and refrigeration demand of user, and normal operation mode can satisfy the conventional heating and refrigeration demand of user, and energy conservation model realizes preferably energy-saving effect under the premise of guaranteeing certain heating or refrigeration effect;These three modes select according to their own needs for user, facilitate the usage experience and user satisfaction that promote user.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to a kind of controlling party of compressor of air conditioner multi-mode operation
Method, system and air-conditioning.
Background technique
Current air-conditioning has largely met national efficiency, noise and reliability standard, but needs promoting user personality
Aspect is asked still to need to be further increased.
It is usually according to set temperature and indoor ring for compressor frequency control under existing air-conditioned refrigeration, heating mode
The difference of border temperature determines corresponding setpoint frequency, the corresponding frequency plateau of each setpoint frequency, and the raised rate of frequency occupies
In, and need to stay for some time in frequency plateau, this results in the time needed for reaching high frequency longer.But due to user's
Focus and experience sense etc. are different, and different user is different in the demand of different geographical, Various Seasonal to refrigeration with heating, for system
The demand of cold and heating speed is also different.
Summary of the invention
Problems solved by the invention is: existing air conditioning mode is unable to satisfy the individual demand of user, for different use
Family is different in the demand of different geographical, Various Seasonal to refrigeration with heating, also different for the demand of refrigeration and the speed of heating
Sample.
To solve the above problems, the present invention provides control method, system and the sky of a kind of compressor of air conditioner multi-mode operation
It adjusts.
According to an aspect of the invention, there is provided a kind of control method of compressor of air conditioner multi-mode operation, the compression
Machine includes three kinds of operational modes: high frequency starts operational mode, normal operation mode and energy conservation model, the control method packet
It includes:
Air-conditioning receives the control instruction of high frequency starting operational mode, normal operation mode or energy conservation model after opening
Afterwards, compressor enters associative mode;
Wherein, after starting operational mode into the high frequency, frequency is continuously increased to practical highest with the first raising frequency rate
Running frequency;Into after the normal operation mode, frequency to first frequency platform is increased with the second raising frequency rate and keeps first
It is increased after frequency to second frequency platform is kept for the second time after time with third raising frequency rate and frequency is increased with the 4th raising frequency rate
Rate extremely heats or refrigeration target frequency;Into after the energy conservation model, the common operation is passed through with the 5th raising frequency rate
The mode stage that multimodal platform is kept increases frequency to the revised heating of frequency or refrigeration target frequency;
Wherein, the first raising frequency rate > the second raising frequency rate, third raising frequency rate, the 4th the 5th liter of raising frequency rate >
Frequency rate, the revised heating of the frequency or refrigeration target frequency < heating or refrigeration target frequency.
Three kind operational modes of the control method for compressor: high frequency starts operational mode, normal operation mode and section
Energy operational mode can be realized switching and corresponding control, in the case where high frequency starts operational mode with relatively high the first raising frequency speed
Rate (for example, 1Hz/1s) continuously increases frequency to practical maximum running frequency, does not need to carry out frequency in some frequency plateau
It keeps, the frequency realized under heating or refrigerating state quickly increases, and then corresponding fast-refrigerating or the mode of heating, meets and uses
Demand of the family for fast-refrigerating or heating;Under normal operation mode, with more medium raising frequency rate (for example, 1Hz/
[10,20] s) increase frequency, and not are directly continuously increased to the target frequency that heats or freeze, but pass through the frequency in setting
Rate platform is kept, and is helped to protect compressor, is extended the service life of compressor, realize the heating or refrigeration of conventional speeds,
Meet the heating of user's routine or the demand of refrigeration;In the energy-saving mode, by with relatively low raising frequency rate (for example,
1Hz/ [20,30] s) increases frequency to the revised heating of frequency or refrigeration target frequency, is guaranteeing certain heating or refrigeration
Preferably energy-saving effect is realized under the premise of effect;These three modes select according to their own needs for user, facilitate
Promote the usage experience and user satisfaction of user.
Further, after starting operational mode into the high frequency, frequency is continuously increased to reality with the first raising frequency rate
The method of maximum running frequency includes: to determine heating or refrigeration target frequency into after high frequency starting operational mode;According to
The heating or refrigeration target frequency start minimum limit frequency with high frequency starting maximum limit frequency and high frequency and are compared, really
Frequency range section locating for customization heat or refrigeration target frequency;And the frequency according to locating for the heating or refrigeration target frequency
Rate range intervals determine compressor practical maximum running frequency and corresponding raising frequency rate.
It is run by starting maximum limit frequency and the minimum limit frequency of high frequency starting as compressor high frequency using high frequency
Protection point threshold value, the heating or refrigeration target frequency and high frequency starting maximum limit frequency and high frequency are started into minimum limitation
Frequency is compared, and determines frequency range section locating for heating or refrigeration target frequency;According to the heating or refrigeration target
Frequency range section locating for frequency determine compressor practical maximum running frequency and corresponding raising frequency rate, both ensure that height
Frequency reliability of operation and safety, and it is able to satisfy the demand that user quickly heats or freezes.
Further, the frequency range section according to locating for the heating or refrigeration target frequency determines the reality of compressor
The method of maximum running frequency and corresponding raising frequency rate are as follows:
When the heating or refrigeration target frequency are more than or equal to high frequency starting maximum limit frequency, compressor is determined
Practical maximum running frequency are as follows: high frequency start maximum limit frequency, continuously increase frequency extremely according to the first default raising frequency rate
The high frequency starts maximum limit frequency, and with strong after high frequency starting the first preset time of maximum limit frequency continuous service
System exits, and switchs to normal operation mode;
It is opened when the heating or refrigeration target frequency are less than high frequency starting maximum limit frequency and are greater than the high frequency
When moving minimum limit frequency, the practical maximum running frequency of compressor is determined are as follows: heating or refrigeration target frequency, it is pre- according to second
If raising frequency rate continuously increase frequency to it is described heating or refrigeration target frequency, and with it is described heating or refrigeration target frequency continue
Compulsory withdrawal after the second preset time is run, normal operation mode is switched to;
When the heating or refrigeration target frequency, which are less than or equal to the high frequency, starts minimum limit frequency, into common fortune
Row mode.
Different frequency scope section locating for corresponding heating or refrigeration target frequency, corresponding practical maximum running frequency choosing
The frequency values for guaranteeing safety are selected, and frequency is run with relatively high raising frequency rate (for example, 1Hz/1s) raising frequency to practical highest
Rate does not use normal operation mode in the heating of safety frequency range intervals or refrigeration target frequency correspondence, in order to avoid damage compression
Machine, since high frequency continuous service has certain loss, the continuous working period unsuitable too long, high frequency for compressor
The time of continuous service is by experiment or performance simulation it was determined that preferably 90-150s, is persistently transported through high frequency after a period of time
The compulsory withdrawal high frequency starts operational mode after row, switchs to normal operation mode, to guarantee the reliability of compressor.
Further, high frequency starting maximum limit frequency obtains by the following method: under peak load state with
It is that high frequency starts most that high frequency, which starts operational mode to operate in protection point temperature margin corresponding obtained test value within 3~5 DEG C,
High limit frequency;The high frequency starts minimum limit frequency and obtains by the following method: outer machine corresponding highest temperature in refrigeration
Degree is not less than 50 DEG C, and in heating, corresponding minimum temperature is not higher than -20 DEG C, and interior machine is corresponding in the maximum volume met,
By simulation installation refrigeration, heating high frequency starting, in most short constant t [6,8] the min time, inner ring temperature reduces or increases 5 DEG C,
The frequency of corresponding refrigeration, heating needs, taking big person is that high frequency starts minimum limit frequency.
Further, under the high frequency starting operational mode, the method for heating or freezing target frequency is determined are as follows: according to room
Difference between interior environment temperature and set temperature determines initial heating or refrigeration target frequency, and by the initial heating or refrigeration
Target frequency is compared with highest frequency limit value corresponding at a temperature of different outdoor environments, and the small person of value is as heating or refrigeration target frequency
Rate.
Further, under the normal operation mode it is described heating or refrigeration target frequency determination method and the high frequency
The determination method for starting operational mode is identical, the revised heating of the frequency under the energy conservation model or refrigeration target frequency
Determination method are as follows: the revised initial heating of frequency or system are determined according to the difference between indoor environment temperature and set temperature
Cold target frequency, and the revised initial heating of the frequency or refrigeration target frequency is corresponding from a temperature of different outdoor environments
Highest frequency limit value compares, and the small person of value is as the revised heating of frequency or refrigeration target frequency;Wherein after the frequency amendment
Heating or refrigeration target frequency be equal to the normal operation mode under it is initial heating or freeze target frequency it is normal multiplied by frequency reducing
Number, the frequency reducing constant is less than 1.
Preferably, the frequency reducing constant is 80%-90%.The frequency reducing constant is to guarantee certain refrigeration or heating effect
Under the premise of, by maximum heating, maximum cooling condition, under the premise of guaranteeing that hot and cold attenuation and leaving air temp meet standard,
Experiment simulation resulting value, preferably 80%-90%.
Further, initial heating or refrigeration target frequency are determined according to the difference between indoor environment temperature and set temperature
The method of rate are as follows:
Under refrigerating state, when the indoor environment temperature subtracts the difference DELTA T of the set temperature1Meet: as Δ T1
≤ -2 alternatively, -2 < Δ T1≤ -1 and continuous operation 1h, then initially refrigeration target frequency is 0;
As -2 < Δ T1≤ -1, then initially refrigeration target frequency is equal to compressor minimum operation limit frequency F0;
The revised initial refrigeration target frequency of respective frequencies is equal to compressor minimum operation limit frequency F0;As Δ T1≥
3, then initially refrigeration target frequency is equal to refrigeration highest outdoor environment temperature limit frequency FCH;
As -1 < Δ T1< 3, then initially refrigeration target frequency is equal to { (Δ T1+1)×(FCH-F0)/4}+F0;
Under heating state, when the set temperature subtracts the difference DELTA T of the indoor environment temperature2Meet: as Δ T2
≤ -3, then initially heating target frequency is 0;
As -3 < Δ T2≤ -1, then initially heating target frequency is equal to compressor minimum operation limit frequency F0;
The revised initial heating target frequency of respective frequencies is equal to compressor minimum operation limit frequency F0;As Δ T2≥
3, then initially heating target frequency is equal to heating highest outdoor environment temperature limit frequency FLh4;
As -1 < Δ T2< 3, then initially heating target frequency is equal to (Δ T2+1)×(FLh4-F0)/(4+F0)。
In the method for the corresponding determining heating of the embodiment or refrigeration target frequency, the frequency under energy-saving mode is revised
Initial heating or refrigeration target frequency are in -1 < Δ T1(corresponding refrigerating state) and -1 < Δ T2The range of (corresponding heating state)
Interior, be all satisfied: the revised initial heating of frequency or refrigeration target frequency are equal to the initial heating under the normal operation mode
Or refrigeration target frequency is multiplied by frequency reducing constant.In the present invention the corresponding target frequency of energy-saving mode compare normal operation mode and
Speech is reduced, while raising frequency rate is also slowed down, the raising frequency rate of for example, 1Hz/ [20,30] s, raising frequency mode with
Normal operation mode is similar, and the interim slowly progress raising frequency in such a way that platform is kept, and starts operational mode with high frequency
Continuously to increase frequency with a certain rate distinct.
According to another aspect of the present invention, a kind of control system of compressor of air conditioner multi-mode operation, the pressure are provided
Contracting machine includes three kinds of operational modes: high frequency starts operational mode, normal operation mode and energy conservation model, the control system packet
It includes:
Mode deciding module receives control command after opening for air-conditioning, the corresponding high frequency starting operational mode, common of receiving
After operational mode or the control instruction of energy conservation model, judge which associative mode compressor enters;
High frequency starts operation control module, after entering high frequency starting operational mode, controls compressor with first
Raising frequency rate continuously increases frequency to practical maximum running frequency;
Common operation control module increases frequency extremely with the second raising frequency rate after entering the normal operation mode
After increasing frequency to second frequency platform the second time of holding after first frequency platform holding first time with third raising frequency rate
Frequency is increased to heating or refrigeration target frequency with the 4th raising frequency rate;
Saving-energy operation control module is passed through described general after entering the energy conservation model with the 5th raising frequency rate
The mode stage that logical operational mode platform is kept increases frequency to the revised heating of frequency or refrigeration target frequency;
Wherein, the first raising frequency rate > the second raising frequency rate, third raising frequency rate, the 4th the 5th liter of raising frequency rate >
Frequency rate, the revised heating of the frequency or refrigeration target frequency < heating or refrigeration target frequency.
Further, in the high frequency starting operation control module, comprising: heating or refrigeration target frequency determining module,
For determining the heating or refrigeration target frequency;Frequency comparison module, for according to it is described heating or refrigeration target frequency with
High frequency starting maximum limit frequency and high frequency start minimum limit frequency and are compared, and determine locating for heating or refrigeration target frequency
Frequency range section;Frequency control module, for the frequency range section according to locating for the heating or refrigeration target frequency
Determine compressor practical maximum running frequency and corresponding raising frequency rate.
According to a further aspect of the invention, a kind of control system of compressor of air conditioner multi-mode operation is provided, is used for
Execute any control method that the present invention refers to.
According to a further aspect of the invention, a kind of air-conditioning is provided, any control system referred to including the present invention.
Detailed description of the invention
Fig. 1 is the control method flow chart of the compressor of air conditioner multi-mode operation according to shown in one embodiment of the invention;
Fig. 2 is corresponding highest at a temperature of the different outdoor environments under the refrigerating state according to shown in one embodiment of the invention
Frequency limit value curve;
Fig. 3 is corresponding highest at a temperature of the different outdoor environments under the heating state according to shown in one embodiment of the invention
Frequency limit value curve;
Fig. 4 is the control system block diagram of the compressor of air conditioner multi-mode operation according to shown in one embodiment of the invention.
Description of symbols:
4- control system;
41- mode deciding module;
421- high frequency starts operation control module;
4211- heating or refrigeration target frequency determining module;
4212- frequency comparison module;
4213- frequency control module;
The common operation control module of 422-;423- saving-energy operation control module.
Specific embodiment
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
First embodiment
In first exemplary embodiment of the invention, a kind of controlling party of compressor of air conditioner multi-mode operation is provided
Method, the compressor include three kinds of operational modes: high frequency starts operational mode, normal operation mode and energy conservation model.
Fig. 1 is the control method flow chart of the compressor of air conditioner multi-mode operation according to shown in one embodiment of the invention.
Shown in referring to Fig.1, the control method of compressor of air conditioner multi-mode operation of the invention, comprising:
Step S11: air-conditioning receives high frequency starting operational mode, normal operation mode or energy conservation model after opening
After control instruction, compressor enters associative mode;
Step S121: after entering high frequency starting operational mode, frequency is continuously increased to reality with the first raising frequency rate
Maximum running frequency;
In the present embodiment, after starting operational mode into the high frequency, frequency is continuously increased to reality with the first raising frequency rate
The method of border maximum running frequency includes: to determine heating or refrigeration target frequency into after high frequency starting operational mode;Root
According to the heating or refrigeration target frequency starts maximum limit frequency with high frequency and high frequency starts minimum limit frequency and is compared,
Determine frequency range section locating for heating or refrigeration target frequency;And according to locating for the heating or refrigeration target frequency
Frequency range section determine compressor practical maximum running frequency and corresponding raising frequency rate.
It is run by starting maximum limit frequency and the minimum limit frequency of high frequency starting as compressor high frequency using high frequency
Protection point threshold value, the heating or refrigeration target frequency and high frequency starting maximum limit frequency and high frequency are started into minimum limitation
Frequency is compared, and determines frequency range section locating for heating or refrigeration target frequency;According to the heating or refrigeration target
Frequency range section locating for frequency determine compressor practical maximum running frequency and corresponding raising frequency rate, both ensure that height
Frequency reliability of operation and safety, and it is able to satisfy the demand that user quickly heats or freezes.
Wherein, the determination method of the heating of high frequency starting operational mode or the target frequency that freezes and described common
Determination method under operational mode is identical, can be discussed in detail when introducing normal operation mode determine the heating or refrigeration below
The method of target frequency, here first without narration.
Further, the frequency range section according to locating for the heating or refrigeration target frequency determines the reality of compressor
The method of maximum running frequency and corresponding raising frequency rate are as follows:
(a) when the heating or refrigeration target frequency are more than or equal to high frequency starting maximum limit frequency, pressure is determined
The practical maximum running frequency of contracting machine are as follows: high frequency starts maximum limit frequency, continuously increases frequency according to the first default raising frequency rate
Rate to the high frequency starts maximum limit frequency, and starts the first preset time of maximum limit frequency continuous service with the high frequency
Compulsory withdrawal afterwards switchs to normal operation mode;
(b) when the heating or refrigeration target frequency are less than high frequency starting maximum limit frequency and are greater than the high frequency
When starting minimum limit frequency, the practical maximum running frequency of compressor is determined are as follows: heating or refrigeration target frequency, according to second
Default raising frequency rate continuously increases frequency to the heating or refrigeration target frequency, and is held with the heating or refrigeration target frequency
Compulsory withdrawal after the second preset time of reforwarding row, switchs to normal operation mode;
(c) when the heating or refrigeration target frequency, which are less than or equal to the high frequency, starts minimum limit frequency, entrance is general
Logical operational mode.
In the present embodiment, the first default raising frequency rate and the second default raising frequency rate are 1Hz/1s, the first preset time
With the value of the second preset time are as follows: 90-150s includes endpoint value.
Different frequency scope section locating for corresponding heating or refrigeration target frequency, corresponding practical maximum running frequency choosing
The frequency values for guaranteeing safety are selected, and frequency is run with relatively high raising frequency rate (for example, 1Hz/1s) raising frequency to practical highest
Rate does not use normal operation mode in the heating of safety frequency range intervals or refrigeration target frequency correspondence, in order to avoid damage compression
Machine, since high frequency continuous service has certain loss, the continuous working period unsuitable too long, high frequency for compressor
The time of continuous service is by experiment or performance simulation it was determined that preferably 90-150s, is persistently transported through high frequency after a period of time
The compulsory withdrawal high frequency starts operational mode after row, switchs to normal operation mode, to guarantee the reliability of compressor.
Further, in one embodiment, the high frequency starting maximum limit frequency is FHSL, FHSLBy the following method
It obtains: protection point temperature margin being operated within 3~5 DEG C to deserved with high frequency starting operational mode under peak load state
The test value arrived is that high frequency starts maximum limit frequency;It is F that the high frequency, which starts minimum limit frequency,LSL, FLSLPass through such as lower section
Method obtains: outer machine corresponding maximum temperature in refrigeration is not less than 50 DEG C, and in heating, corresponding minimum temperature is not higher than -20
DEG C, interior machine passes through simulation installation refrigeration, heating high frequency starting, most short constant t [6,8] min in the corresponding maximum volume met
In time, inner ring temperature reduces or increases 5 DEG C, and the frequency that corresponding refrigeration, heating need takes big person to start for high frequency minimum
Limit frequency.
Certainly, here only as an example, in above-mentioned corresponding condition, FHSLIndicate that high frequency starts maximum limit frequency, i.e., it is high
Frequency start accessible highest frequency, be constant test value, by under peak load state high frequency start mode unprotect ask
It inscribes and has a margin, FLSLIndicate that high frequency starts minimum limit frequency, i.e. high frequency starting needs low-limit frequency to be achieved, too low just not have
The meaning for having high frequency to start is constant test value, defines a certain cooling capacity type, outer machine is in most severe outer ring THQSOr TCQSOperating condition
Under, interior machine is in the satisfiable maximum volume of correspondence, by simulation installation refrigeration, heating high frequency starting, most short constant t [6,
8] in the min time, inner ring temperature reduces or increases 5 DEG C, and the frequency that corresponding refrigeration, heating need, taking big person is FLSL, on
It states example and the reference scheme with surplus is only illustrated with a protection point temperature range, in other embodiments, as long as can protect
Demonstrate,prove compressor safety while also ensure high frequency starting institute attainable highest frequency the disclosure " high frequency start
Within the scope of maximum limit frequency ", it is obvious that for heating state or refrigerating state, the FHSLMeet: FHSL≤ FLh4 (system
Hot highest outdoor environment temperature limit frequency) and FHSL≤ FCH (refrigeration highest outdoor environment temperature limit frequency).
Step S122: after entering the normal operation mode, frequency is increased to first frequency platform with the second raising frequency rate
With fast with the 4th raising frequency after third raising frequency rate raising frequency to second frequency platform the second time of holding after holding first time
Rate increases frequency to heating or refrigeration target frequency;
Wherein, there is no relative size between the second raising frequency rate, third raising frequency rate and the 4th raising frequency rate, it can basis
Actual conditions are set, and three may be the same or different, and the raising frequency rate in normal operation mode and high frequency start
For the raising frequency rate of operational mode there are relative size relationship, the raising frequency rate of high frequency starting operational mode is opposite to be greater than common fortune
Raising frequency rate in row mode, in the present embodiment, the second raising frequency rate, the range of third raising frequency rate and the 4th raising frequency rate
: 1Hz/ [10,20] s.In a specific example, first frequency platform is, for example, 35Hz, and second frequency platform is, for example, 60Hz,
At the first time are as follows: 50-80s, the second time are as follows: 100-150s, above-mentioned numberical range include endpoint value.
Further, under the normal operation mode, the method for heating or freezing target frequency is determined are as follows: according to indoor ring
Difference between border temperature and set temperature determines initial heating or refrigeration target frequency, and by the initial heating or refrigeration target
Frequency is compared with highest frequency limit value corresponding at a temperature of different outdoor environments, and the small person of value is as heating or refrigeration target frequency.
The heating or refrigeration target frequency in the specific embodiment of above-mentioned steps S121, under the high frequency operational mode
Determination method and the heating of the normal operation mode or the refrigeration determination method of target frequency it is identical, referring to this step
Specific introduction in S122.
Fig. 2 is corresponding highest at a temperature of the different outdoor environments under the refrigerating state according to shown in one embodiment of the invention
Frequency limit value curve;Fig. 3 is corresponding at a temperature of the different outdoor environments under the heating state according to shown in one embodiment of the invention
Highest frequency limit value curve;The initial heating to be introduced in conjunction with Fig. 2 and Fig. 3 and below or refrigeration target frequency expression formula (1),
(2) known to: it is different from the difference of set temperature according to indoor environment temperature under heating or refrigeration operational state, it can calculate
Initial refrigeration target frequency FLc or heating target frequency FLh, by from highest frequency limit value corresponding at a temperature of different outdoor environments
Compare, the small person of value is as heating or refrigeration target frequency.
Further, the difference according between indoor environment temperature and set temperature determines initial heating or refrigeration mesh
The method for marking frequency are as follows:
Under refrigerating state, when the indoor environment temperature TA subtracts the difference DELTA T of the set temperature TS1Meet:
As Δ T1≤ -2 alternatively, -2 < Δ T1≤ -1 and continuous operation 1h, then initially refrigeration target frequency is 0;
As -2 < Δ T1≤ -1, then initially refrigeration target frequency is equal to compressor minimum operation limit frequency F0;
The revised initial refrigeration target frequency of frequency in corresponding step S123 is equal to compressor minimum operation limitation frequency
Rate F0;(due to being minimum limit frequency, it does not need to heat shape below multiplied by frequency reducing constant here in energy-saving mode
State reason is identical)
As Δ T1>=3, then initially refrigeration target frequency is equal to refrigeration highest outdoor environment temperature limit frequency FCH;
As -1 < Δ T1< 3, then initially refrigeration target frequency is equal to { (Δ T1+1)×(FCH-F0)/4}+F0;
Under heating state, when the set temperature subtracts the difference DELTA T of the indoor environment temperature2Meet: as Δ T2
≤ -3, then initially heating target frequency is 0;
As -3 < Δ T2≤ -1, then initially heating target frequency is equal to compressor minimum operation limit frequency F0;
The revised initial heating target frequency of respective frequencies is equal to compressor minimum operation limit frequency F0;
As Δ T2>=3, then initially heating target frequency is equal to heating highest outdoor environment temperature limit frequency FLh4;
As -1 < Δ T2< 3, then initially heating target frequency is equal to (Δ T2+1)×(FLh4-F0)/(4+F0)。
Under above-mentioned heating or refrigeration mode, the expression formula of corresponding initial heating or refrigeration target frequency is as follows:
ΔT1=TA-TS (3)
ΔT2=TS-TA (4)
Wherein, FLc indicates that initial refrigeration target frequency, FLh indicate initial heating target frequency;TA indicates indoor environment temperature
Degree, TS indicate set temperature, and F0 indicates compressor minimum operation limit frequency;FCH indicates refrigeration highest outdoor environment temperature limit
Frequency processed;FLc1 indicates high-temperature area highest run-limiting frequency, and FLc2 indicates low-temperature region highest run-limiting frequency, TLc1
> TLc2 > TLc3 > TLc4, respectively different outdoor environment temperatures;FLh4 indicates circumstance temperature limit frequency outside heating highest room;
FLh4 > FLh3 > FLh2 > FLh1: being respectively different frequency limit platforms;TLh0 > TLh1 > TLc2 > TLc3 > TLc4 >
TLc5 > TLc6: being respectively different outdoor environment temperatures.
Step S123: flat by the normal operation mode with the 5th raising frequency rate after entering the energy conservation model
The mode stage that platform is kept increases frequency to the revised heating of frequency or refrigeration target frequency;
In step S11, step S121- step S123, the first raising frequency rate > the second raising frequency rate, third raising frequency
Rate, the 5th raising frequency rate of the 4th raising frequency rate >, the revised heating of the frequency or refrigeration target frequency < heating or system
Cold target frequency.
Further, the revised heating of frequency or refrigeration target frequency under the energy conservation model are equal to described general
Heating or refrigeration target frequency under logical operational mode is multiplied by frequency reducing constant, and the frequency reducing constant is less than 1.
Preferably, the frequency reducing constant is 80%-90%.The frequency reducing constant is to guarantee certain refrigeration or heating effect
Under the premise of, by maximum heating, maximum cooling condition, under the premise of guaranteeing that hot and cold attenuation and leaving air temp meet standard,
Experiment simulation resulting value, preferably 80%-90%.
The corresponding target frequency of energy conservation model compares and is reduced for normal operation mode in the present invention, together
When raising frequency rate also slowed down, the raising frequency rate of for example, 1Hz/ [20,30] s, raising frequency mode and normal operation mode class
Seemingly, stage slowly carries out raising frequency and in such a way that platform is kept, with high frequency starting operational mode with a certain rate company
High-frequency of continuing rising is distinct.
The determination method of the revised heating of frequency or refrigeration target frequency under the energy conservation model are as follows: according to room
Difference between interior environment temperature and set temperature determines the revised initial heating of frequency or refrigeration target frequency, and frequently by this
The revised initial heating of rate or refrigeration target frequency are compared with highest frequency limit value corresponding at a temperature of different outdoor environments, value
Small person is as the revised heating of frequency or refrigeration target frequency;The wherein revised heating of the frequency or refrigeration target frequency
Equal under the normal operation mode it is initial heating or refrigeration target frequency multiplied by frequency reducing constant, the frequency reducing constant less than 1,
Certainly, special, corresponding to the situation of minimum limit frequency, then do not need multiplied by frequency reducing constant, those skilled in the art are very clear
Chu's frequency corrects corresponding situation, this is in introduction step S122 it is stated that repeating no more.
In the method for the corresponding determining heating of the embodiment or refrigeration target frequency, the frequency under energy-saving mode is revised
Initial heating or refrigeration target frequency are in -1 < Δ T1(corresponding refrigerating state) and -1 < Δ T2The range of (corresponding heating state)
Interior, be all satisfied: the revised initial heating of frequency or refrigeration target frequency are equal to the initial heating under the normal operation mode
Or refrigeration target frequency is multiplied by frequency reducing constant.The corresponding target frequency of energy conservation model is compared to relatively common operation mould in the present invention
It is reduced for formula, while raising frequency rate is also slowed down, the raising frequency rate of for example, 1Hz/ [20,30] s, raising frequency side
Formula is similar with normal operation mode, and the interim slowly progress raising frequency in such a way that platform is kept, and starts with high frequency and runs
Mode continuously to increase frequency with a certain rate distinct.
In conclusion three kind operational modes of the control method of the present embodiment for compressor: high frequency starting operation mould
Formula, normal operation mode and energy conservation model can be realized switching and corresponding control, high frequency start operational mode under with
The first relatively high raising frequency rate (for example, 1Hz/1s) continuously increases frequency to practical maximum running frequency, does not need at certain
A frequency plateau carries out the holding of frequency, and the frequency realized under heating or refrigerating state quickly increases, and then corresponding quickly system
Cold or heating mode, meets the needs of user is for fast-refrigerating or heating;Under normal operation mode, with more medium
(for example, 1Hz/ [10,20] s) increases frequency to raising frequency rate, and not is directly continuously increased to the target frequency that heats or freeze
Rate, but kept by the frequency plateau in setting, help to protect compressor, extends the service life of compressor, realize
The heating or refrigeration of conventional speeds meet the heating of user's routine or the demand of refrigeration;In the energy-saving mode, by with relatively
(for example, 1Hz/ [20,30] s) increases frequency to the revised heating of frequency or refrigeration target frequency to low raising frequency rate, is protecting
Preferably energy-saving effect is realized under the premise of demonstrate,proving certain heating or refrigeration effect;These three modes are for user according to oneself need
It asks and is selected, facilitate the usage experience and user satisfaction that promote user.
Second embodiment
In second exemplary embodiment of the invention, a kind of control system of compressor of air conditioner multi-mode operation is provided
System.The compressor includes three kinds of operational modes: high frequency starts operational mode, normal operation mode and energy conservation model.
Fig. 4 is the control system block diagram of the compressor of air conditioner multi-mode operation according to shown in one embodiment of the invention.
The control system 4 of the compressor of air conditioner multi-mode operation of the present embodiment is wrapped for executing control method of the invention
It includes:
Mode deciding module 41 receives control command after opening for air-conditioning, the corresponding high frequency starting operational mode, general of receiving
After logical operational mode or the control instruction of energy conservation model, judge which associative mode compressor enters;
High frequency starts operation control module 421, after entering high frequency starting operational mode, controls compressor with the
One raising frequency rate continuously increases frequency to practical maximum running frequency;
Common operation control module 422 increases frequency after entering the normal operation mode with the second raising frequency rate
Frequency to second frequency platform is increased with third raising frequency rate after being kept for first time to first frequency platform and is kept for the second time
Frequency is increased to heating or refrigeration target frequency with the 4th raising frequency rate afterwards;
Saving-energy operation control module 423 is passed through described after entering the energy conservation model with the 5th raising frequency rate
The mode stage that normal operation mode platform is kept increases frequency to the revised heating of frequency or refrigeration target frequency;
Wherein, the first raising frequency rate > the second raising frequency rate, third raising frequency rate, the 4th the 5th liter of raising frequency rate >
Frequency rate, the revised heating of the frequency or refrigeration target frequency < heating or refrigeration target frequency.
Further, in the high frequency starting operation control module 421, comprising: heating or refrigeration target frequency determine mould
Block 4211, for determining the heating or refrigeration target frequency;Frequency comparison module 4212, for according to the heating or refrigeration
Target frequency starts maximum limit frequency with high frequency and high frequency starts minimum limit frequency and is compared, and determines heating or refrigeration mesh
Mark frequency range section locating for frequency;Frequency control module 4213, for according to locating for the heating or refrigeration target frequency
Frequency range section determine compressor practical maximum running frequency and corresponding raising frequency rate.
Three kind operational modes of the control system of the present embodiment for compressor: high frequency starts operational mode, common operation
Mode and energy conservation model can be realized switching and corresponding control, these three corresponding modes for user according to their own needs
It is selected, facilitates the usage experience and user satisfaction that promote user.
3rd embodiment
In third exemplary embodiment of the invention, a kind of air-conditioning is provided, which includes second embodiment
Shown in compressor of air conditioner multi-mode operation control system.
In the present embodiment, be correspondingly provided with three function buttons on the remote controler of the air-conditioning, respectively " powerful ", " common " and
" energy conservation ", high frequency starting operational mode, normal operation mode and energy conservation model, the user for respectively corresponding compressor need to only press
The key of these lower associative modes, is just able to achieve the satisfaction of personal needs.
In conclusion the present invention provides control method, system and the air-conditioning of a kind of compressor of air conditioner multi-mode operation, it is right
It answers air-conditioning that there are " powerful ", " common " and " energy conservation " Three models to select for user, respectively corresponds three kinds of fortune of compressor
Row mode: high frequency starting operational mode, normal operation mode and energy conservation model can be realized switching and corresponding control,
High frequency start under operational mode continuously increased with the first relatively high raising frequency rate (for example, 1Hz/1s) frequency to it is practical most
High running frequency does not need to carry out the holding of frequency in some frequency plateau, and the frequency realized under heating or refrigerating state is fast
Speed increases, and then corresponding fast-refrigerating or the mode of heating, meets the needs of user is for fast-refrigerating or heating;Commonly transporting
Under row mode, with more medium raising frequency rate, (for example, 1Hz/ [10,20] s) increases frequency, and not directly continuous liter
Up to heating or the target frequency that freezes, but kept by the frequency plateau in setting, help to protect compressor, extend
The service life of compressor realizes the heating or refrigeration of conventional speeds, meets the heating of user's routine or the demand of refrigeration;In energy conservation
Under mode, by the way that with relatively low raising frequency rate, (for example, 1Hz/ [20,30] s) increases frequency to the revised heating of frequency
Or refrigeration target frequency, preferably energy-saving effect is realized under the premise of guaranteeing certain heating or refrigeration effect;These three moulds
Formula selects according to their own needs for user, facilitates the usage experience and user satisfaction that promote user.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (12)
1. a kind of control method of compressor of air conditioner multi-mode operation, which includes three kinds of operational modes: high frequency starting fortune
Row mode, normal operation mode and energy conservation model, which is characterized in that the control method includes:
Air-conditioning receives the control instruction of high frequency starting operational mode, normal operation mode or energy conservation model after opening after,
Compressor enters associative mode;
Wherein, after starting operational mode into the high frequency, frequency to practical highest is increased continuously with the first raising frequency rate and is run
Frequency;Into after the normal operation mode, frequency to first frequency platform is increased with the second raising frequency rate and is kept at the first time
It is increased after frequency to second frequency platform is kept for the second time with third raising frequency rate afterwards and frequency is increased extremely with the 4th raising frequency rate
Heating or refrigeration target frequency;Into after the energy conservation model, the normal operation mode is passed through with the 5th raising frequency rate
The mode stage that platform is kept increases frequency to the revised heating of frequency or refrigeration target frequency;
Wherein, the first raising frequency rate > the second raising frequency rate, third raising frequency rate, the 4th raising frequency rate > the 5th raising frequency speed
Rate, the revised heating of the frequency or refrigeration target frequency < heating or refrigeration target frequency.
2. control method according to claim 1, which is characterized in that after entering high frequency starting operational mode, with the
The method that one raising frequency rate continuously increases frequency to practical maximum running frequency includes:
After starting operational mode into the high frequency, heating or refrigeration target frequency are determined;
According to the heating or refrigeration target frequency and high frequency starting maximum limit frequency and high frequency start minimum limit frequency into
Row compares, and determines frequency range section locating for heating or refrigeration target frequency;And
The practical maximum running frequency of compressor is determined according to frequency range section locating for the heating or refrigeration target frequency
With corresponding raising frequency rate.
3. control method according to claim 1, which is characterized in that according to locating for the heating or refrigeration target frequency
The method that frequency range section determines the practical maximum running frequency and corresponding raising frequency rate of compressor are as follows:
When the heating or refrigeration target frequency are more than or equal to high frequency starting maximum limit frequency, the reality of compressor is determined
Border maximum running frequency are as follows: high frequency starts maximum limit frequency, continuously increases frequency to described according to the first default raising frequency rate
High frequency starts maximum limit frequency, and forces to move back after starting the first preset time of maximum limit frequency continuous service with the high frequency
Out, switch to normal operation mode;
When the heating or refrigeration target frequency are less than high frequency starting maximum limit frequency and are greater than high frequency starting most
When lower limit frequency, the practical maximum running frequency of compressor is determined are as follows: heating or refrigeration target frequency, according to the second default liter
Frequency rate continuously increase frequency to it is described heating or refrigeration target frequency, and with it is described heating or refrigeration target frequency continuous service
Compulsory withdrawal after second preset time, switchs to normal operation mode;
When the heating or refrigeration target frequency, which are less than or equal to the high frequency, starts minimum limit frequency, into common operation mould
Formula.
4. control method according to claim 3, which is characterized in that
The high frequency starting maximum limit frequency obtains by the following method: starting operation mould under peak load state with high frequency
It is that high frequency starts maximum limit frequency that formula, which operates in protection point temperature margin corresponding obtained test value within 3~5 DEG C,;
The high frequency starts minimum limit frequency and obtains by the following method: outer machine corresponding maximum temperature in refrigeration is not less than
50 DEG C, in heating, corresponding minimum temperature is not higher than -20 DEG C, and interior machine passes through simulation in the corresponding maximum volume met
Refrigeration, heating high frequency starting are installed, in most short constant t [6,8] the min time, inner ring temperature reduces or 5 DEG C of raising, corresponding
The frequency that refrigeration, heating need, taking big person is that high frequency starts minimum limit frequency.
5. control method according to claim 2, which is characterized in that under the high frequency starting operational mode, determine heating
Or the method for refrigeration target frequency are as follows: initial heating or refrigeration are determined according to the difference between indoor environment temperature and set temperature
Target frequency, and by the initial heating or refrigeration target frequency and highest frequency limit value ratio corresponding at a temperature of different outdoor environments
Compared with the small person of value is as heating or refrigeration target frequency.
6. control method according to claim 5, which is characterized in that the heating or refrigeration under the normal operation mode
The determination method of target frequency is identical as the high frequency starting determination method of operational mode, the frequency under the energy conservation model
The determination method of the revised heating of rate or refrigeration target frequency are as follows: according to the difference between indoor environment temperature and set temperature
Determine the revised initial heating of frequency or refrigeration target frequency, and frequently by the revised initial heating of the frequency or refrigeration target
Rate is compared with highest frequency limit value corresponding at a temperature of different outdoor environments, and the small person of value is as the revised heating of frequency or refrigeration
Target frequency;Wherein the revised heating of the frequency or refrigeration target frequency are equal to the initial system under the normal operation mode
Heat or refrigeration target frequency are multiplied by frequency reducing constant, and the frequency reducing constant is less than 1.
7. control method according to claim 6, which is characterized in that the frequency reducing constant is 80%-90%.
8. control method according to claim 6, which is characterized in that according between indoor environment temperature and set temperature
The method that difference determines initial heating or refrigeration target frequency are as follows:
Under refrigerating state, when the indoor environment temperature subtracts the difference DELTA T of the set temperature1Meet:
As Δ T1≤ -2 alternatively, -2 < Δ T1≤ -1 and continuous operation 1h, then initially refrigeration target frequency is 0;
As -2 < Δ T1≤ -1, then initially refrigeration target frequency is equal to compressor minimum operation limit frequency F0;
The revised initial refrigeration target frequency of respective frequencies is equal to compressor minimum operation limit frequency F0;
As Δ T1>=3, then initially refrigeration target frequency is equal to refrigeration highest outdoor environment temperature limit frequency FCH;
As -1 < Δ T1< 3, then initially refrigeration target frequency is equal to { (Δ T1+1)×(FCH-F0)/4}+F0;
Under heating state, when the set temperature subtracts the difference DELTA T of the indoor environment temperature2Meet:
As Δ T2≤ -3, then initially heating target frequency is 0;
As -3 < Δ T2≤ -1, then initially heating target frequency is equal to compressor minimum operation limit frequency F0;
The revised initial heating target frequency of respective frequencies is equal to compressor minimum operation limit frequency F0;
As Δ T2>=3, then initially heating target frequency is equal to heating highest outdoor environment temperature limit frequency FLh4;
As -1 < Δ T2< 3, then initially heating target frequency is equal to (Δ T2+1)×(FLh4-F0)/(4+F0)。
9. a kind of control system of compressor of air conditioner multi-mode operation, which includes three kinds of operational modes:
High frequency starts operational mode, normal operation mode and energy conservation model, which is characterized in that the control system includes:
Mode deciding module receives control command after opening for air-conditioning, corresponding to receive high frequency starting operational mode, common operation
After mode or the control instruction of energy conservation model, judge which associative mode compressor enters;
High frequency starts operation control module, after entering high frequency starting operational mode, controls compressor with the first raising frequency
Rate continuously increases frequency to practical maximum running frequency;
Common operation control module increases frequency to first with the second raising frequency rate after entering the normal operation mode
Frequency plateau, which keeps increasing frequency to second frequency platform with third raising frequency rate after first time, to be kept after the second time with the
Four raising frequency rates increase frequency to heating or refrigeration target frequency;
Saving-energy operation control module passes through the common fortune after entering the energy conservation model with the 5th raising frequency rate
The mode stage that row multimodal platform is kept increases frequency to the revised heating of frequency or refrigeration target frequency;
Wherein, the first raising frequency rate > the second raising frequency rate, third raising frequency rate, the 4th raising frequency rate > the 5th raising frequency speed
Rate, the revised heating of the frequency or refrigeration target frequency < heating or refrigeration target frequency.
10. control system according to claim 9, which is characterized in that in the high frequency starting operation control module, packet
It includes: heating or refrigeration target frequency determining module, for determining the heating or refrigeration target frequency;Frequency comparison module is used
It is carried out in starting minimum limit frequency according to the heating or refrigeration target frequency and high frequency starting maximum limit frequency and high frequency
Compare, determines frequency range section locating for heating or refrigeration target frequency;Frequency control module, for according to it is described heating or
Refrigeration target frequency locating for frequency range section determine compressor practical maximum running frequency and corresponding raising frequency rate.
11. a kind of control system of compressor of air conditioner multi-mode operation, which is characterized in that require to appoint in 1 to 8 for perform claim
Control method described in one.
12. a kind of air-conditioning, which is characterized in that including control system described in any one of claim 9 to 11.
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