CN104566837B - A kind of air-conditioner set loading control method and system - Google Patents

A kind of air-conditioner set loading control method and system Download PDF

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Publication number
CN104566837B
CN104566837B CN201510053189.5A CN201510053189A CN104566837B CN 104566837 B CN104566837 B CN 104566837B CN 201510053189 A CN201510053189 A CN 201510053189A CN 104566837 B CN104566837 B CN 104566837B
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current
compressor
mrow
air
conditioner set
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CN104566837A (en
Inventor
陈万兴
王驰
孙亚丽
程建军
刘萍
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00Control inputs relating to users or occupants
    • F24F2120/20Feedback from users

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

This application discloses a kind of air-conditioner set loading control method and system, when air-conditioner set is in running status, when the current disengaging coolant-temperature gage for detecting air-conditioner set is not reaching to the allowed band of user's design temperature, if judge in the first preset time period, compressor current Magnification is more than preset compressor current changing rate, then forbids compressor loads in the second preset time period of setting.It can be seen that; the present invention realizes the control to compressor loads using the method for monitoring compressor current Magnification; so as to effectively reduce the situation that the unit caused by compressor loads are too fast exports unstable or protection and shut down; the steady increase of air-conditioner set load has been ensured, has made air-conditioner set output more stable.

Description

A kind of air-conditioner set loading control method and system
Technical field
The present invention relates to air-conditioner control system technical field, in particular, is related to a kind of air-conditioner set Loading Control side Method and system.
Background technology
General cooling water air conditioner unit, user have the target temperature of a setting, are detecting the Inlet and outlet water of air-conditioner set After temperature, if the disengaging coolant-temperature gage of air-conditioner set is not reaching to the target temperature of user's setting, at regular intervals, by adding Big compressor is exported to increase the output of air-conditioner set.
If interval time is long, unit exports the demand that can not reach user for a long time, can if interval time is too short It is able to can cause to cause unit output unstable or protect to shut down because loading is too fast.
In summary, a kind of air-conditioner set loading control method and system how to be provided to ensure that air-conditioner set load is steady Increase, it is those skilled in the art's technical problem urgently to be resolved hurrily to make air-conditioner set output more stable.
The content of the invention
In view of this, the present invention provides a kind of air-conditioner set loading control method and system, to realize air-conditioner set load Steady increase, make air-conditioner set output more stable.
A kind of air-conditioner set loading control method, including:
Receive the current setting pattern and user's design temperature for the air-conditioner set that display board is sent;
Obtain the current disengaging coolant-temperature gage of the air-conditioner set;
Judge whether the current disengaging coolant-temperature gage reaches and set temperature with the user of the current setting pattern match The allowed band of degree;
If it is not, then obtain the present current value of compressor;
Using the present current value and preset formula, the current loads of the compressor are calculated;
The current value of the compressor obtained using the present current value and before the first preset time period, calculate Compressor current Magnification is obtained, first preset time period is compressor current Magnification calculating cycle;
Judge whether the compressor current Magnification is more than preset compressor current changing rate;
If it is, the compressor is forbidden to be loaded in the second preset time period.
Preferably, judge whether the current disengaging coolant-temperature gage reaches the institute with the current setting pattern match described After the allowed band for stating user's design temperature, in addition to:
If it is, the compressor is controlled to maintain current output.
Preferably, after judging whether the compressor current Magnification is more than preset compressor current changing rate, also Including:
If it is not, then the compressor is controlled to continue loading output on the current loads.
Preferably, the allowed band with user's design temperature of the current setting pattern match includes:
When it is described it is current set pattern as refrigeration mode when, user's design temperature for being matched with the refrigeration mode Allowed band is no more than user's design temperature;
When it is described it is current set pattern as heating mode when, user's design temperature for being matched with the heating mode Allowed band is not less than user's design temperature.
Preferably, the preset formula is:
In formula, Q1 be compressor current loads percentage, I be compressor current flow, I50%Exported for compressor Nominal current value during 50% load, I100%Nominal current value during 100% load is exported for compressor, K is electric current correction value.
A kind of air-conditioner set Loading Control System, including:
Receiving unit, the current setting pattern and user's design temperature of the air-conditioner set for receiving display board transmission;
First acquisition unit, for obtaining the current disengaging coolant-temperature gage of the air-conditioner set;
First judging unit, for judging whether the current disengaging coolant-temperature gage reaches and the current setting pattern match User's design temperature allowed band;
Second acquisition unit, for first judging unit judge the current disengaging coolant-temperature gage be not reaching to The allowed band of user's design temperature of the current setting pattern match, obtain the present current value of compressor;
First computing unit, for utilizing the present current value and preset formula, working as the compressor is calculated Preload;
Second computing unit, for the pressure obtained using the present current value and before the first preset time period The current value of contracting machine, is calculated compressor current Magnification, and first preset time period is compressor current Magnification meter Calculate the cycle;
Second judging unit, for judging whether the compressor current Magnification is more than preset compressor curent change Rate;
Forbid unit, it is described default for judging that the compressor current Magnification is more than in second judging unit Compressor current rate of change, the compressor is forbidden to be loaded in the second preset time period.
Preferably, in addition to:
First control unit, for first judging unit judge the current disengaging coolant-temperature gage reach with it is described The allowed band of user's design temperature of current setting pattern match, controls the compressor to maintain current output.
Preferably, in addition to:
Second control unit, for judging that the compressor current Magnification is not more than institute in second judging unit Preset compressor current changing rate is stated, controls the compressor to continue loading output on the current loads.
Preferably, the allowed band with user's design temperature of the current setting pattern match includes:
When it is described it is current set pattern as refrigeration mode when, user's design temperature for being matched with the refrigeration mode Allowed band is no more than user's design temperature;
When it is described it is current set pattern as heating mode when, user's design temperature for being matched with the heating mode Allowed band is not less than user's design temperature.
Preferably, the preset formula is:
In formula, Q1 be compressor current loads percentage, I be compressor current flow, I50%Exported for compressor Nominal current value during 50% load, I100%Nominal current value during 100% load is exported for compressor, K is electric current correction value.
It can be seen from the above technical scheme that the invention provides a kind of air-conditioner set loading control method and system, When air-conditioner set is in running status, when the current disengaging coolant-temperature gage for detecting air-conditioner set is not reaching to user's design temperature Allowed band when, if judging in the first preset time period, compressor current Magnification more than preset compressor electric current become Rate, then forbid compressor loads in the second preset time period of setting.As can be seen that the present invention is electromechanical using monitoring compression Control of the method realization of Magnification to compressor loads is flowed, so as to effectively reduce the machine caused by compressor loads are too fast Group output is unstable or protects situation about shutting down, and has ensured the steady increase of air-conditioner set load, makes air-conditioner set output more It is stable.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of air-conditioner set loading control method flow chart disclosed in the embodiment of the present invention;
Fig. 2 is another air-conditioner set loading control method flow chart disclosed in the embodiment of the present invention;
Fig. 3 is a kind of structural representation of air-conditioner set Loading Control System disclosed in the embodiment of the present invention;
Fig. 4 is the structural representation of another air-conditioner set Loading Control System disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of air-conditioner set loading control method and system, to realize that air-conditioner set load is put down Steady increase, make air-conditioner set output more stable.
Referring to Fig. 1, a kind of air-conditioner set loading control method flow chart disclosed in the embodiment of the present invention, including step:
Step S11, the current setting pattern and user's design temperature for the air-conditioner set that display board is sent are received;
Wherein, currently setting pattern includes refrigeration mode and heating mode.
Step S12, the current disengaging coolant-temperature gage of the air-conditioner set is obtained;
Step S13, judge whether the current disengaging coolant-temperature gage reaches the use with the current setting pattern match The allowed band of family design temperature, if it is not, then performing step S14;
Specifically, when it is described it is current set pattern as refrigeration mode when, the user matched with the refrigeration mode sets The allowed band of constant temperature degree is no more than user's design temperature, that is to say, that if air-conditioner set currently sets pattern as system Chill formula, then judge whether the current disengaging coolant-temperature gage of air-conditioner set is no more than user's design temperature;
When it is described it is current set pattern as heating mode when, user's design temperature for being matched with the heating mode Allowed band is not less than user's design temperature, that is to say, that if air-conditioner set currently sets pattern as heating mode, Judge whether the current disengaging coolant-temperature gage of air-conditioner set is not less than user's design temperature.
Step S14, the present current value of compressor is obtained;
Step S15, using the present current value and preset formula, the current loads of the compressor are calculated;
Wherein, preset formula is referring to formula (1):
In formula, Q1 is the current loads percentage of compressor;
I is the current flow of compressor;
I50%Nominal current value during 50% load is exported for compressor, during different compressors, this value is typically different;
I100%Nominal current value during 100% load is exported for compressor, during different compressors, this value is typically different;
K is electric current correction value, typically selects empirical value.
It should be noted that the current loads of compressor are represented using the current loads percentage of compressor.
Step S16, the electricity of the compressor obtained using the present current value and before the first preset time period Flow valuve, compressor current Magnification is calculated;
Wherein, first preset time period is compressor current Magnification calculating cycle.
It is assumed that compressor current Magnification calculating cycle is the X seconds, current time t1, the present current value of compressor is It1, then compressor current Magnification Δ I calculation formula is referring to formula (2),
In formula, I(t1-X)For the current value of the compressor detected before the t1 seconds at moment X.
Step S17, judge whether the compressor current Magnification is more than preset compressor current changing rate, if it is, Then perform step S18;
Wherein, depending on the value concrete foundation of preset compressor current changing rate is actually needed, the present invention does not limit herein.
Step S18, the compressor is forbidden to be loaded in the second preset time period.
Second preset time period refers to forbidding the compressor loads time, and concrete numerical value is according to depending on being actually needed.
It should be noted that two calculation procedures of step S15 and step S16 in the present embodiment in practical implementation simultaneously The disclosed order of the present embodiment is not limited to, step S16 can also be first carried out, it is rear to perform step S15, or two steps are simultaneously Perform, the present invention does not limit herein.
It in summary it can be seen, a kind of air-conditioner set loading control method provided by the invention, operation be in air-conditioner set During state, when the current disengaging coolant-temperature gage for detecting air-conditioner set is not reaching to the allowed band of user's design temperature, if sentencing Break and in the first preset time period, compressor current Magnification is more than preset compressor current changing rate, then the of setting Forbid compressor loads in two preset time periods.As can be seen that the present invention is real using the method for monitoring compressor current Magnification Now to the control of compressor loads, so as to effectively reduce the unit output caused by compressor loads are too fast it is unstable or Situation about shutting down is protected, has ensured the steady increase of air-conditioner set load, makes air-conditioner set output more stable.
For further optimization above-described embodiment, referring to Fig. 2, a kind of air-conditioner set loading disclosed in another embodiment of the present invention Control method flow chart, on the basis of embodiment illustrated in fig. 1, after step s 13, in addition to:
Step S19, set when the current disengaging coolant-temperature gage reaches with the user of the current setting pattern match During the allowed band of temperature, then the compressor is controlled to maintain current output.
Further to optimize above-described embodiment, after step S17, in addition to:
Step S20, when the compressor current Magnification is not more than preset compressor current changing rate, then described in control Compressor continues loading output on the current loads.
It should be noted that in above-described embodiment, compressor current Magnification calculating cycle, preset compressor curent change Rate, forbid the compressor loads time, compressor export 100% load when nominal current value, compressor export 50% load when Nominal current value, electric current correction value sent by display board, between display board and mainboard using RS485 communicate.
It in summary it can be seen, a kind of air-conditioner set loading control method provided by the invention, operation be in air-conditioner set During state, when the current disengaging coolant-temperature gage for detecting air-conditioner set is not reaching to the allowed band of user's design temperature, if sentencing Break and in the first preset time period, compressor current Magnification is more than preset compressor current changing rate, then the of setting Forbid compressor loads in two preset time periods.As can be seen that the present invention is real using the method for monitoring compressor current Magnification Now to the control of compressor loads, so as to effectively reduce the unit output caused by compressor loads are too fast it is unstable or Situation about shutting down is protected, has ensured the steady increase of air-conditioner set load, makes air-conditioner set output more stable.
For convenience of the understanding to compressor fan-out capability, the application has done following elaboration to compressor:
(1) compressor output can be adjusted in the range of 25%~100%, when compressor just starts, the output of compressor 25% ability, 50% is then quickly loaded into, subsequently can the electrodeless regulation in the range of 50%~100%.
(2) compressor holds with two adjusts magnetic valve to be connected, and first, which holds tune magnetic valve, is used to control compressor to export 25% energy Power, if second holds tune magnetic valve output fixed level, control compressor exports 50% ability, if output pulse signal, controlled Compressor processed is unloaded.
(3) when compressor is loaded, controlled by the pulse signal for the loading magnetic valve output being connected with compressor.
(4) startup of compressor or close is controlled by the start-stop control contactor that is connected with compressor.
Corresponding with above method embodiment, present invention also offers a kind of air-conditioner set Loading Control System.
Referring to Fig. 3, a kind of structural representation of air-conditioner set Loading Control System disclosed in the embodiment of the present invention, including:
Receiving unit 31, for the current setting pattern and user's setting temperature of the air-conditioner set for receiving display board transmission Degree;
Wherein, currently setting pattern includes refrigeration mode and heating mode.
First acquisition unit 32, for obtaining the current disengaging coolant-temperature gage of the air-conditioner set;
First judging unit 33, for judging whether the current disengaging coolant-temperature gage reaches and the current setting pattern The allowed band for the user's design temperature matched somebody with somebody, if it is not, then performing second acquisition unit 34;
Specifically, when it is described it is current set pattern as refrigeration mode when, the user matched with the refrigeration mode sets The allowed band of constant temperature degree is no more than user's design temperature, that is to say, that if air-conditioner set currently sets pattern as system Chill formula, then judge whether the current disengaging coolant-temperature gage of air-conditioner set is no more than user's design temperature;
When it is described it is current set pattern as heating mode when, user's design temperature for being matched with the heating mode Allowed band is not less than user's design temperature, that is to say, that if air-conditioner set currently sets pattern as heating mode, Judge whether the current disengaging coolant-temperature gage of air-conditioner set is not less than user's design temperature.
Second acquisition unit 34, for the first judging unit 33 judge the current disengaging coolant-temperature gage be not reaching to The allowed band of user's design temperature of the current setting pattern match, obtain the present current value of compressor;
First computing unit 35, for utilizing the present current value and preset formula, the compressor is calculated Current loads;
Wherein, preset formula is referring to formula (1):
In formula, Q1 is the current loads percentage of compressor;
I is the current flow of compressor;
I50%Nominal current value during 50% load is exported for compressor, during different compressors, this value is typically different;
I100%Nominal current value during 100% load is exported for compressor, during different compressors, this value is typically different;
K is electric current correction value, typically selects empirical value.
It should be noted that the current loads of compressor are represented using the current loads percentage of compressor.
Second computing unit 36, described in being obtained using the present current value and before the first preset time period The current value of compressor, compressor current Magnification is calculated;
Wherein, first preset time period is compressor current Magnification calculating cycle.
It is assumed that compressor current Magnification calculating cycle is the X seconds, current time t1, the present current value of compressor is It1, then compressor current Magnification Δ I calculation formula is referring to formula (2),
In formula, I(t1-X)For the current value of the compressor detected before the t1 seconds at moment X.
Second judging unit 37, for judging whether the compressor current Magnification is more than preset compressor curent change Rate, forbid unit 38 if it is, performing;
Forbid unit 38, it is described default for judging that the compressor current Magnification is more than in the second judging unit 37 Compressor current rate of change, the compressor is forbidden to be loaded in the second preset time period.
It should be noted that the first computing unit 35 and the second computing unit 36 in the present embodiment are in practical implementation In be not limited to the disclosed order of the present embodiment, the second computing unit 36 can also be first carried out, it is rear to perform the first computing unit 35, or two units perform simultaneously, and the present invention does not limit herein.
It in summary it can be seen, a kind of air-conditioner set loading control method provided by the invention, operation be in air-conditioner set During state, when the current disengaging coolant-temperature gage for detecting air-conditioner set is not reaching to the allowed band of user's design temperature, if sentencing Break and in the first preset time period, compressor current Magnification is more than preset compressor current changing rate, then the of setting Forbid compressor loads in two preset time periods.As can be seen that the present invention is real using the method for monitoring compressor current Magnification Now to the control of compressor loads, so as to effectively reduce the unit output caused by compressor loads are too fast it is unstable or Situation about shutting down is protected, has ensured the steady increase of air-conditioner set load, makes air-conditioner set output more stable.
For further optimization above-described embodiment, referring to Fig. 4, a kind of air-conditioner set loading disclosed in another embodiment of the present invention The structural representation of control system, on the basis of embodiment illustrated in fig. 3, in addition to:
First control unit 39, for the first judging unit 33 judge the current disengaging coolant-temperature gage reach with it is described The allowed band of user's design temperature of current setting pattern match, controls the compressor to maintain current output.
Further to optimize above-described embodiment, in addition to:
Second control unit 40, for judging that the compressor current Magnification is not more than institute in the second judging unit 37 Preset compressor current changing rate is stated, controls the compressor to continue loading output on the current loads.
It should be noted that in above-described embodiment, compressor current Magnification calculating cycle, preset compressor curent change Rate, forbid the compressor loads time, compressor export 100% load when nominal current value, compressor export 50% load when Nominal current value, electric current correction value sent by display board, between display board and mainboard using RS485 communicate.
It in summary it can be seen, a kind of air-conditioner set loading control method provided by the invention, operation be in air-conditioner set During state, when the current disengaging coolant-temperature gage for detecting air-conditioner set is not reaching to the allowed band of user's design temperature, if sentencing Break and in the first preset time period, compressor current Magnification is more than preset compressor current changing rate, then the of setting Forbid compressor loads in two preset time periods.As can be seen that the present invention is real using the method for monitoring compressor current Magnification Now to the control of compressor loads, so as to effectively reduce the unit output caused by compressor loads are too fast it is unstable or Situation about shutting down is protected, has ensured the steady increase of air-conditioner set load, makes air-conditioner set output more stable.
For convenience of the understanding to compressor fan-out capability, the application has done following elaboration to compressor:
(1) compressor output can be adjusted in the range of 25%~100%, when compressor just starts, the output of compressor 25% ability, 50% is then quickly loaded into, subsequently can the electrodeless regulation in the range of 50%~100%.
(2) compressor holds with two adjusts magnetic valve to be connected, and first, which holds tune magnetic valve, is used to control compressor to export 25% energy Power, if second holds tune magnetic valve output fixed level, control compressor exports 50% ability, if output pulse signal, controlled Compressor processed is unloaded.
(3) when compressor is loaded, controlled by the pulse signal for the loading magnetic valve output being connected with compressor.
(4) startup of compressor or close is controlled by the start-stop control contactor that is connected with compressor.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged Except other identical element in the process including the key element, method, article or equipment being also present.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the application. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments in the case where not departing from spirit herein or scope.Therefore, the application The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope caused.

Claims (10)

  1. A kind of 1. air-conditioner set loading control method, it is characterised in that including:
    Receive the current setting pattern and user's design temperature for the air-conditioner set that display board is sent;
    Obtain the current disengaging coolant-temperature gage of the air-conditioner set;
    Judge whether the current disengaging coolant-temperature gage reaches and user's design temperature of the current setting pattern match Allowed band;
    If it is not, then obtain the present current value of compressor;
    Using the present current value and preset formula, the current loads of the compressor are calculated;
    The current value of the compressor obtained using the present current value and before the first preset time period, is calculated Compressor current Magnification, first preset time period are compressor current Magnification calculating cycle;
    Judge whether the compressor current Magnification is more than preset compressor current changing rate;
    If it is, the compressor is forbidden to be loaded in the second preset time period.
  2. 2. air-conditioner set loading control method according to claim 1, it is characterised in that working as advance described in the judgement Whether leaving water temperature reaches with after the allowed band of user's design temperature of the current setting pattern match, also wrapping Include:
    If it is, the compressor is controlled to maintain current output.
  3. 3. air-conditioner set loading control method according to claim 1, it is characterised in that judging the compressor current Whether Magnification is more than after preset compressor current changing rate, in addition to:
    If it is not, then the compressor is controlled to continue loading output on the current loads.
  4. 4. air-conditioner set loading control method according to claim 1, it is characterised in that described currently to set mould with described The allowed band of user's design temperature of formula matching includes:
    When it is described it is current set pattern as refrigeration mode when, the permission of the user's design temperature matched with the refrigeration mode Scope is no more than user's design temperature;
    When it is described it is current set pattern as heating mode when, the permission of the user's design temperature matched with the heating mode Scope is not less than user's design temperature.
  5. 5. air-conditioner set loading control method according to claim 1, it is characterised in that the preset formula is:
    <mrow> <mi>Q</mi> <mn>1</mn> <mo>=</mo> <mrow> <mo>(</mo> <mn>100</mn> <mo>%</mo> <mo>-</mo> <mn>50</mn> <mo>%</mo> <mo>)</mo> </mrow> <mo>&amp;times;</mo> <mrow> <mo>(</mo> <mfrac> <mrow> <mi>K</mi> <mo>&amp;times;</mo> <mi>I</mi> <mo>-</mo> <msub> <mi>I</mi> <mrow> <mn>50</mn> <mo>%</mo> </mrow> </msub> </mrow> <mrow> <msub> <mi>I</mi> <mrow> <mn>100</mn> <mo>%</mo> </mrow> </msub> <mo>-</mo> <msub> <mi>I</mi> <mrow> <mn>50</mn> <mo>%</mo> </mrow> </msub> </mrow> </mfrac> <mo>)</mo> </mrow> <mo>+</mo> <mn>50</mn> <mo>%</mo> <mo>,</mo> </mrow>
    In formula, Q1 be compressor current loads percentage, I be compressor current flow, I50%It is negative for compressor output 50% Nominal current value during lotus, I100%Nominal current value during 100% load is exported for compressor, K is electric current correction value.
  6. A kind of 6. air-conditioner set Loading Control System, it is characterised in that including:
    Receiving unit, the current setting pattern and user's design temperature of the air-conditioner set for receiving display board transmission;
    First acquisition unit, for obtaining the current disengaging coolant-temperature gage of the air-conditioner set;
    First judging unit, for judging whether the current disengaging coolant-temperature gage reaches the institute with the current setting pattern match State the allowed band of user's design temperature;
    Second acquisition unit, for first judging unit judge the current disengaging coolant-temperature gage be not reaching to it is described The allowed band of user's design temperature of current setting pattern match, obtain the present current value of compressor;
    First computing unit, for utilizing the present current value and preset formula, the current negative of the compressor is calculated Lotus;
    Second computing unit, for the compressor obtained using the present current value and before the first preset time period Current value, be calculated compressor current Magnification, first preset time period is that compressor current Magnification calculates week Phase;
    Second judging unit, for judging whether the compressor current Magnification is more than preset compressor current changing rate;
    Forbid unit, for judging that the compressor current Magnification is more than the default compression in second judging unit Machine current changing rate, the compressor is forbidden to be loaded in the second preset time period.
  7. 7. air-conditioner set Loading Control System according to claim 6, it is characterised in that also include:
    First control unit, for first judging unit judge the current disengaging coolant-temperature gage reach with it is described current The allowed band of user's design temperature of pattern match is set, controls the compressor to maintain current output.
  8. 8. air-conditioner set Loading Control System according to claim 6, it is characterised in that also include:
    Second control unit, for judging the compressor current Magnification no more than described pre- in second judging unit If compressor current rate of change, the compressor is controlled to continue loading output on the current loads.
  9. 9. air-conditioner set Loading Control System according to claim 6, it is characterised in that described currently to set mould with described The allowed band of user's design temperature of formula matching includes:
    When it is described it is current set pattern as refrigeration mode when, the permission of the user's design temperature matched with the refrigeration mode Scope is no more than user's design temperature;
    When it is described it is current set pattern as heating mode when, the permission of the user's design temperature matched with the heating mode Scope is not less than user's design temperature.
  10. 10. air-conditioner set Loading Control System according to claim 6, it is characterised in that the preset formula is:
    <mrow> <mi>Q</mi> <mn>1</mn> <mo>=</mo> <mrow> <mo>(</mo> <mn>100</mn> <mo>%</mo> <mo>-</mo> <mn>50</mn> <mo>%</mo> <mo>)</mo> </mrow> <mo>&amp;times;</mo> <mrow> <mo>(</mo> <mfrac> <mrow> <mi>K</mi> <mo>&amp;times;</mo> <mi>I</mi> <mo>-</mo> <msub> <mi>I</mi> <mrow> <mn>50</mn> <mo>%</mo> </mrow> </msub> </mrow> <mrow> <msub> <mi>I</mi> <mrow> <mn>100</mn> <mo>%</mo> </mrow> </msub> <mo>-</mo> <msub> <mi>I</mi> <mrow> <mn>50</mn> <mo>%</mo> </mrow> </msub> </mrow> </mfrac> <mo>)</mo> </mrow> <mo>+</mo> <mn>50</mn> <mo>%</mo> <mo>,</mo> </mrow>
    In formula, Q1 be compressor current loads percentage, I be compressor current flow, I50%It is negative for compressor output 50% Nominal current value during lotus, I100%Nominal current value during 100% load is exported for compressor, K is electric current correction value.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105042938B (en) * 2015-08-06 2018-01-02 广东美的暖通设备有限公司 Air-cooled heat pump cold-hot water machine system and its plus Unloading Control method
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CN107449991A (en) * 2017-07-17 2017-12-08 珠海格力电器股份有限公司 Electrical heating module misoperation detection method and device and air conditioner
CN107906670A (en) * 2017-11-13 2018-04-13 南京天加环境科技有限公司 A kind of quick loading control method of modularization cold water heat pump unit
CN108800461B (en) * 2018-05-09 2020-08-18 青岛海尔空调电子有限公司 Energy control method and device of air conditioning unit
CN113639452B (en) * 2020-04-27 2023-02-28 青岛海尔空调电子有限公司 Compressor control method for heat exchange system
CN113959056B (en) * 2021-10-29 2023-04-25 青岛海尔空调电子有限公司 Control method and control device for air conditioner and air conditioner

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101469916A (en) * 2007-12-26 2009-07-01 Lg电子株式会社 Air conditioning system
CN101625172A (en) * 2008-07-09 2010-01-13 日立空调·家用电器株式会社 Refrigerating device
CN101680445A (en) * 2007-06-06 2010-03-24 三电有限公司 Electric compressor control device
CN101865515A (en) * 2010-05-26 2010-10-20 广东欧科空调制冷有限公司 Air conditioning unit for controlling system load by current variation
CN101203716B (en) * 2006-09-05 2011-07-13 宝能商贸(上海)有限公司 Power saving system of air conditioner
CN102635540A (en) * 2012-04-01 2012-08-15 Tcl空调器(中山)有限公司 Compressor speed regulating method, device and air conditioning equipment
CN103306956A (en) * 2012-03-07 2013-09-18 珠海格力电器股份有限公司 Load control method for compressor
CN103344028A (en) * 2013-07-01 2013-10-09 青岛海信日立空调***有限公司 Air conditioner energy conservation control method and air conditioner

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04106356A (en) * 1990-08-24 1992-04-08 Fujitsu General Ltd Operation control of air conditioner
JP4224915B2 (en) * 2000-02-09 2009-02-18 ダイキン工業株式会社 Air conditioner

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101203716B (en) * 2006-09-05 2011-07-13 宝能商贸(上海)有限公司 Power saving system of air conditioner
CN101680445A (en) * 2007-06-06 2010-03-24 三电有限公司 Electric compressor control device
CN101469916A (en) * 2007-12-26 2009-07-01 Lg电子株式会社 Air conditioning system
CN101625172A (en) * 2008-07-09 2010-01-13 日立空调·家用电器株式会社 Refrigerating device
CN101865515A (en) * 2010-05-26 2010-10-20 广东欧科空调制冷有限公司 Air conditioning unit for controlling system load by current variation
CN103306956A (en) * 2012-03-07 2013-09-18 珠海格力电器股份有限公司 Load control method for compressor
CN102635540A (en) * 2012-04-01 2012-08-15 Tcl空调器(中山)有限公司 Compressor speed regulating method, device and air conditioning equipment
CN103344028A (en) * 2013-07-01 2013-10-09 青岛海信日立空调***有限公司 Air conditioner energy conservation control method and air conditioner

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