CN106091288A - Air-conditioner and startup control method thereof - Google Patents
Air-conditioner and startup control method thereof Download PDFInfo
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- CN106091288A CN106091288A CN201610507187.3A CN201610507187A CN106091288A CN 106091288 A CN106091288 A CN 106091288A CN 201610507187 A CN201610507187 A CN 201610507187A CN 106091288 A CN106091288 A CN 106091288A
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- conditioner
- air
- system pressure
- temperature
- absolute value
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Classifications
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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
- F24F11/62—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a kind of air-conditioner and start control method, said method comprising the steps of: at air-conditioner in a chiller mode or time dehumidification mode starts, it is judged that the indoor fan of air-conditioner starts the need of with low wind shelves；If indoor fan needs to start with low wind shelves, then when the running frequency at air-conditioner reaches the first predeterminated frequency and maintains the first Preset Time, it is judged that whether the system pressure of air-conditioner is in poised state；If system pressure is in poised state, then controls air-conditioner and run with default highest frequency, until air-conditioner has started.The method can be weighed high frequency and start the fast-refrigerating effect and the startup excessive impact on user's sense organ of noise brought, and improves the performance of air-conditioner.
Description
Technical field
The present invention relates to air-conditioner technical field, particularly to a kind of air-conditioner and startup control method thereof.
Background technology
Noise when consumption and air-conditioner for reducing electric energy runs, meets the demand of user, and transducer air conditioning obtains
Fast-developing.
And currently in order to accelerate the cooling and warming speed of transducer air conditioning, most of producers use high frequency to open in start-up phase
Dynamic air-conditioner.But, bring a problem therewith, when indoor set opens the startup of low wind high frequency, the high frequency of transducer air conditioning starts
The unbalanced problem of refrigeration system internal pressure can be brought, thus increase the noise of indoor set, even produce coolant allophone.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.
To this end, it is an object of the present invention to propose the startup control method of a kind of air-conditioner, the method can be weighed
High frequency starts the fast-refrigerating effect and the startup excessive impact on user's sense organ of noise brought, and improves the performance of air-conditioner.
Further object is that a kind of air-conditioner of proposition.
For achieving the above object, first aspect present invention embodiment proposes the startup control method of a kind of air-conditioner, bag
Include following steps: at described air-conditioner in a chiller mode or time dehumidification mode starts, it is judged that the indoor fan of described air-conditioner is
No needs start with low wind shelves；If described indoor fan needs to start, then in the running frequency of described air-conditioner with low wind shelves
When reaching the first predeterminated frequency and maintain the first Preset Time, it is judged that whether the system pressure of described air-conditioner is in equilibrium-like
State；And if described system pressure is in poised state, then controls described air-conditioner and run with default highest frequency, until
Described air-conditioner has started.
The startup control method of air-conditioner according to embodiments of the present invention, at air-conditioner, in a chiller mode or dehumidification mode opens
Time dynamic, it is judged that the indoor fan of air-conditioner starts the need of with low wind shelves.If indoor fan needs to start, then with low wind shelves
When running frequency at air-conditioner reaches the first predeterminated frequency and maintains the first Preset Time, it is judged that the system pressure of air-conditioner is
No it is in poised state, if system pressure is in poised state, then controls air-conditioner and run with default highest frequency, until
Air-conditioner has started.The method can be weighed high frequency and start the fast-refrigerating effect brought and feel user with to start noise excessive
The impact of official, improves the performance of air-conditioner.
According to one embodiment of present invention, if described system pressure is not in poised state, then described air-conditioning is controlled
Device continues to run with until described system pressure is in poised state with described first predeterminated frequency.
According to one embodiment of present invention, whether the described system pressure judging described air-conditioner is in poised state,
Including: obtain indoor return air temperature and indoor evaporator temperature, and obtain outdoor condenser coil temperature and outdoor environment temperature；
The absolute value calculating the difference between described indoor return air temperature and described indoor evaporator temperature is indoor temperature difference absolute value, and
The absolute value calculating the difference between described outdoor condenser coil temperature and described outdoor environment temperature is that the outdoor temperature difference is absolute
Value；Judge whether described indoor temperature difference absolute value is less than the first preset value, and judge whether described outdoor temperature difference absolute value is less than
Second preset value；If described indoor temperature difference absolute value is less than institute less than described first preset value and described outdoor temperature difference absolute value
State the second preset value, then judge that described system pressure is in poised state.
According to one embodiment of present invention, second is run at the described air-conditioner of control with described default highest frequency pre-
If after the time, it is judged that described air-conditioner has started.
According to one embodiment of present invention, run described second at the described air-conditioner of control with described highest frequency to preset
During time, also include: judge whether described system pressure reaches preset pressure；If described system pressure reaches described
Preset pressure, then directly judge that described air-conditioner has started.
According to one embodiment of present invention, when described indoor fan needs to start with apoplexy shelves or high wind shelves, control
Described air-conditioner starts strategy with default conventional high frequency and starts.
For achieving the above object, a kind of air-conditioner that second aspect present invention embodiment proposes, including: first judges mould
Block, for described air-conditioner in a chiller mode or dehumidification mode start time, it is judged that described air conditioner chamber inner blower the need of
Start with low wind shelves；Second judge module, for needing to start with low wind shelves at described indoor fan, and described air-conditioner
When running frequency reaches the first predeterminated frequency and maintains the first Preset Time, it is judged that whether the system pressure of described air-conditioner is in
Poised state；Control module, for controlling described air-conditioner with default the highest when described system pressure is in poised state
Frequency is run, until described air-conditioner has started.
Air-conditioner according to embodiments of the present invention, air-conditioner in a chiller mode or dehumidification mode start time, first judge
Module judges that the indoor fan of air-conditioner starts the need of with low wind shelves.If indoor fan needs to start, then with low wind shelves
When running frequency at air-conditioner reaches the first predeterminated frequency and maintains the first Preset Time, the second judge module judges air-conditioner
System pressure whether be in poised state, if system pressure is in poised state, control module then controls air-conditioner with in advance
If highest frequency run, until air-conditioner has started.This air-conditioner can be weighed high frequency and start the fast-refrigerating effect brought
Fruit and the startup excessive impact on user's sense organ of noise, improve overall performance.
According to one embodiment of present invention, described control module is additionally operable to be not in poised state at described system pressure
Time, control described air-conditioner and continue to run with until described system pressure is in poised state with described first predeterminated frequency.
According to one embodiment of present invention, above-mentioned air-conditioner also includes: the first temperature acquisition module, is used for obtaining room
Interior return air temperature and indoor evaporator temperature；Second temperature acquisition module, is used for obtaining outdoor condenser coil temperature and outdoor
Ambient temperature；Computing module, for calculating the exhausted of difference between described indoor return air temperature and described indoor evaporator temperature
It is indoor temperature difference absolute value to value, and calculates the difference between described outdoor condenser coil temperature and described outdoor environment temperature
Absolute value be outdoor temperature difference absolute value, wherein, described second judge module judges whether described indoor temperature difference absolute value is less than
First preset value, and judge that whether described outdoor temperature difference absolute value is less than the second preset value and absolute in the described indoor temperature difference
When value is less than described second preset value less than described first preset value and described outdoor temperature difference absolute value, it is judged that described system pressure
It is in poised state.
According to one embodiment of present invention, described control module is additionally operable to controlling described air-conditioner with described default
After highest frequency runs the second Preset Time, it is judged that described air-conditioner has started.
According to one embodiment of present invention, described control module is additionally operable to controlling described air-conditioner with described high frequency
During rate runs described second Preset Time, it is judged that whether described system pressure reaches preset pressure, and in described system
When pressure reaches described preset pressure, directly judge that described air-conditioner has started.
According to one embodiment of present invention, described control module be additionally operable to need with apoplexy shelves when described indoor fan or
When high wind shelves start, control described air-conditioner and start strategy startup with default conventional high frequency.
Accompanying drawing explanation
Fig. 1 is the flow chart of the startup control method of air-conditioner according to embodiments of the present invention；
Fig. 2 is the flow chart of the startup control method of air-conditioner according to an embodiment of the invention；
Fig. 3 is the block diagram of air-conditioner according to embodiments of the present invention；And
Fig. 4 is the block diagram of air-conditioner according to an embodiment of the invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings describe the air-conditioner of the embodiment of the present invention and start control method.
Fig. 1 is the flow chart of the startup control method of air-conditioner according to embodiments of the present invention.As it is shown in figure 1, this air-conditioning
The startup control method of device comprises the following steps:
S1, air-conditioner in a chiller mode or dehumidification mode start time, it is judged that the indoor fan of air-conditioner the need of with
Low wind shelves start.
S2, if indoor fan needs to start with low wind shelves, then the running frequency at air-conditioner reaches the first predeterminated frequency
And when maintaining the first Preset Time, it is judged that whether the system pressure of air-conditioner is in poised state.Wherein, the first predeterminated frequency and
First Preset Time can be demarcated according to practical situation.
In one embodiment of the invention, it is judged that whether the system pressure of air-conditioner is in poised state, including: obtain
Indoor return air temperature and indoor evaporator temperature, and obtain outdoor condenser coil temperature and outdoor environment temperature；Calculate indoor
The absolute value of the difference between return air temperature and indoor evaporator temperature is indoor temperature difference absolute value, and counting chamber external condenser dish
The absolute value of the difference between pipe temperature and outdoor environment temperature is outdoor temperature difference absolute value；Whether judge indoor temperature difference absolute value
Less than the first preset value, and judge that whether outdoor temperature difference absolute value is less than the second preset value；If indoor temperature difference absolute value is less than
First preset value and outdoor temperature difference absolute value less than the second preset value, then judge that system pressure is in poised state.Wherein, first
Preset value and the second preset value can be set according to system size, such as, and the first preset value and the value of the second preset value
May range from [2 DEG C, 6 DEG C].
Specifically, can be by return air temperature T1 in temperature sensor sensing chamber, indoor evaporator temperature T2, outdoor cold
Condenser coils temperature T3 and outdoor environment temperature T4.Then, calculate indoor temperature difference absolute value=| T1-T2 |, and calculate room
Outer temperature difference absolute value=| T3-T4 |, if indoor temperature difference absolute value | T1-T2 |≤3 DEG C calculated and outdoor temperature difference absolute value |
T3-T4 |≤3 DEG C, then judge that system pressure is in poised state；Otherwise, it is judged that system pressure is in unbalanced state.
It should be noted that in an embodiment of the present invention, it would however also be possible to employ whether prior art judges system pressure
Being in poised state, specifically I will not elaborate.
S3, if system pressure is in poised state, then controls air-conditioner and runs with default highest frequency, until air-conditioning
Device has started.
According to one embodiment of present invention, if system pressure is not in poised state, then control air-conditioner with first
Predeterminated frequency continues to run with until system pressure is in poised state.
Specifically, when air-conditioner (include powerful refrigeration) in a chiller mode or dehumidification mode start time, if indoor set with
Low wind high frequency starts, then when the running frequency of air-conditioner reaches shelves frequency second from the bottom (the i.e. first predeterminated frequency) and maintains first
During Preset Time (preferably, than air-conditioner with time long 20s corresponding when apoplexy shelves or the startup of high wind shelves), it is judged that system pressure
Whether it is in poised state.If system pressure is in poised state, then controls air-conditioner and run with default highest frequency, directly
Start to air-conditioner；If system pressure is in unbalanced state, then shelves frequency second from the bottom is kept to run a period of time,
Until system pressure reaches poised state, then run with highest frequency.
According to one embodiment of present invention, the second Preset Time is run at control air-conditioner with default highest frequency
After, it is judged that air-conditioner has started.
Further, according to one embodiment of present invention, when controlling air-conditioner and presetting with highest frequency operation second
During between, also include: judge whether system pressure reaches preset pressure；If system pressure reaches preset pressure, the most directly
Connect and judge that air-conditioner has started.
It is to say, when air-conditioner runs the second Preset Time with default highest frequency, the startup stage of exiting high frequency,
And according to default conventional inverter control strategy, air-conditioner is controlled.And in the second Preset Time run, if sentenced
Disconnected system pressure has reached preset pressure, then can directly control air-conditioner startup stage exit high frequency, and according to default
Air-conditioner is controlled by conventional inverter control strategy.Wherein, the second Preset Time and system pressure can be according to practical situations
Demarcate.
According to one embodiment of present invention, when indoor fan needs to start with apoplexy shelves or high wind shelves, air-conditioning is controlled
Device starts strategy with default conventional high frequency and starts.
Specifically, when air-conditioner high frequency starts, if selected for apoplexy shelves or high wind shelves, then directly according to conventional high
Frequency starts strategy and starts；If selected for low wind shelves, then in high frequency start-up course, when the running frequency of air-conditioner rises to one
During definite value, frequency can be limited and run a period of time, when running frequency reaches the previous shelves frequency of highest frequency, during many operations one section
Between, and when reaching certain value at runtime, it is judged that whether system pressure is in poised state, if system pressure is in balance
State, controls air-conditioner the most again and runs with highest frequency such that it is able to balance high frequency starts the fast-refrigerating effect brought and opens
The dynamic excessive impact on user's sense organ of noise, improves the performance of air-conditioner.
Fig. 2 is the flow chart of the startup control method of the air-conditioner according to one concrete example of the present invention.As in figure 2 it is shown,
The startup control method of air-conditioner comprises the following steps:
S101, complete machine leaves refrigeration or dehumidification mode.
S102, apoplexy or the start of high wind.
S103, complete machine starts strategy according to conventional high frequency and starts.
S104, low wind is started shooting.
S105, when running to highest frequency previous shelves frequency, than in or high wind start time run the many 20s of this frequency.
S106, whether system pressure is in poised state.
S107, complete machine enters the highest frequency that high frequency starts.
S108, after high frequency startup time t arrives, complete machine exits this function, runs according to conventional inverter control strategy.
In addition, it is necessary to explanation, when air-conditioner runs with heating mode, due to enter indoor machine evaporation it is all
Gas, starts, thus without there is low wind high frequency, the noise problem produced.
In sum, the startup control method of air-conditioner according to embodiments of the present invention, air-conditioner in a chiller mode or
When dehumidification mode starts, it is judged that the indoor fan of air-conditioner starts the need of with low wind shelves.If indoor fan needs with low
Wind shelves start, then when the running frequency at air-conditioner reaches the first predeterminated frequency and maintains the first Preset Time, it is judged that air-conditioner
System pressure whether be in poised state, if system pressure is in poised state, then control air-conditioner with default the highest
Frequency is run, until air-conditioner has started.The method can be weighed high frequency and start the fast-refrigerating effect brought and make an uproar with startup
The excessive impact on user's sense organ of sound, improves the performance of air-conditioner.
Fig. 3 is the block diagram of air-conditioner according to embodiments of the present invention.As it is shown on figure 3, this air-conditioner includes: first
Judge module the 10, second judge module 20 and control module 30.
Wherein, the first judge module 10 is at air-conditioner in a chiller mode or time dehumidification mode starts, it is judged that air-conditioner
Indoor fan starts the need of with low wind shelves.Second judge module 20 is used for needing to start with low wind shelves at indoor fan, and
And the running frequency of air-conditioner reach the first predeterminated frequency and maintain the first Preset Time time, it is judged that the system pressure of air-conditioner is
No it is in poised state.Control module 30 for controlling air-conditioner with default high frequency when system pressure is in poised state
Rate is run, until air-conditioner has started.
According to one embodiment of present invention, control module 30 is additionally operable to when system pressure is not in poised state, control
Air-conditioner processed continues to run with until system pressure is in poised state with the first predeterminated frequency.
Specifically, when air-conditioner (includes powerful refrigeration) in a chiller mode or dehumidification mode starts, if first judges
Module 10 judges that indoor set starts with low wind high frequency, then reach shelves frequency (i.e. first second from the bottom when the running frequency of air-conditioner
Predeterminated frequency) and maintain the first Preset Time (preferably, long with the time that apoplexy shelves or high wind shelves are corresponding when starting than air-conditioner
Time 20s), the second judge module 20 judges whether system pressure is in poised state.If system pressure is in poised state, control
Molding block 30 then controls air-conditioner and runs with default highest frequency, until air-conditioner has started；If system pressure is in
Unbalanced state, control module 30 then controls air-conditioner and keeps shelves frequency second from the bottom to run a period of time, until system pressure
Reach poised state, then control air-conditioner with highest frequency operation.
According to one embodiment of present invention, as shown in Figure 4, above-mentioned air-conditioner also includes: the first temperature acquisition module
40, the second temperature acquisition module 50 and computing module 60, wherein, the first temperature acquisition module 40 is used for obtaining indoor return air temperature
With indoor evaporator temperature；Second temperature acquisition module 50 is used for obtaining outdoor condenser coil temperature and outdoor environment temperature；
Computing module 60 is exhausted for the indoor temperature difference for the absolute value calculating the difference between indoor return air temperature and indoor evaporator temperature
Absolute value to the difference between value, and counting chamber external condenser coil temperature and outdoor environment temperature is that the outdoor temperature difference is absolute
Value, wherein, the second judge module 20 judges whether indoor temperature difference absolute value is less than the first preset value, and judges that the outdoor temperature difference is absolute
Value whether less than the second preset value, and at indoor temperature difference absolute value less than the first preset value and outdoor temperature difference absolute value less than the
During two preset values, it is judged that system pressure is in poised state.
Specifically, the first temperature acquisition module 40 and the second temperature acquisition module 50 can be temperature sensor, pass through
Return air temperature T1, indoor evaporator temperature T2, outdoor condenser coil temperature T3 and outdoor environment in temperature sensor sensing chamber
Temperature T4.Then, computing module 60 calculates indoor temperature difference absolute value=| T1-T2 |, and calculate outdoor temperature difference absolute value=|
T3-T4 |, if indoor temperature difference absolute value | T1-T2 |≤3 DEG C calculated and outdoor temperature difference absolute value | T3-T4 |≤3 DEG C, second
Judge module 20 then judges that system pressure is in poised state；Otherwise, the second judge module 20 judges that system pressure is in injustice
Weighing apparatus state.
According to one embodiment of present invention, control module 30 is additionally operable to controlling air-conditioner with default highest frequency fortune
After row the second Preset Time, it is judged that air-conditioner has started.
Further, according to one embodiment of present invention, control module 30 is additionally operable to controlling air-conditioner with high frequency
During rate runs the second Preset Time, it is judged that whether system pressure reaches preset pressure, and reaches default at system pressure
During pressure, directly judge that air-conditioner has started.
It is to say, when air-conditioner runs the second Preset Time with default highest frequency, control module 30 controls sky
The startup stage of adjusting device to exit high frequency, and according to default conventional inverter control strategy, air-conditioner is controlled.And in operation
In second Preset Time, if it is determined that system pressure has reached preset pressure, control module 30 then can directly control air-conditioning
The startup stage that device exiting high frequency, and according to default conventional inverter control strategy, air-conditioner is controlled.
According to one embodiment of present invention, control module 30 is additionally operable to when indoor fan needs with apoplexy shelves or high wind shelves
During startup, control air-conditioner and start strategy startup with default conventional high frequency.
Specifically, when air-conditioner high frequency starts, if selected for apoplexy shelves or high wind shelves, control module 30 is the most direct
Start strategy according to conventional high frequency to start；If selected for low wind shelves, then in high frequency start-up course, when the operation frequency of air-conditioner
When rate rises to certain value, frequency can be limited and run a period of time, when running frequency reaches the previous shelves frequency of highest frequency, many
Run a period of time, and when reaching certain value at runtime, the second judge module 20 judges whether system pressure is in balance
State, if system pressure is in poised state, control module 30 controls air-conditioner the most again and runs with highest frequency such that it is able to
Balance high frequency starts the fast-refrigerating effect and the startup excessive impact on user's sense organ of noise brought, and improves the property of air-conditioner
Energy.
Air-conditioner according to embodiments of the present invention, air-conditioner in a chiller mode or dehumidification mode start time, first judge
Module judges that the indoor fan of air-conditioner starts the need of with low wind shelves.If indoor fan needs to start, then with low wind shelves
When running frequency at air-conditioner reaches the first predeterminated frequency and maintains the first Preset Time, the second judge module judges air-conditioner
System pressure whether be in poised state, if system pressure is in poised state, control module then controls air-conditioner with in advance
If highest frequency run, until air-conditioner has started.This air-conditioner can be weighed high frequency and start the fast-refrigerating effect brought
Fruit and the startup excessive impact on user's sense organ of noise, improve overall performance.
In describing the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " the
One ", the feature of " second " can express or implicitly include at least one this feature.In describing the invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (12)
1. the startup control method of an air-conditioner, it is characterised in that comprise the following steps:
Described air-conditioner in a chiller mode or dehumidification mode start time, it is judged that the indoor fan of described air-conditioner the need of with
Low wind shelves start；
If described indoor fan needs to start with low wind shelves, then the running frequency at described air-conditioner reaches the first predeterminated frequency
And when maintaining the first Preset Time, it is judged that whether the system pressure of described air-conditioner is in poised state；And
If described system pressure is in poised state, then controls described air-conditioner and run with default highest frequency, until institute
State air-conditioner to have started.
2. the startup control method of air-conditioner as claimed in claim 1, it is characterised in that if described system pressure is not in
Poised state, then control described air-conditioner and continue to run with until described system pressure is in equilibrium-like with described first predeterminated frequency
State.
3. the startup control method of air-conditioner as claimed in claim 1 or 2, it is characterised in that the described air-conditioner of described judgement
System pressure whether be in poised state, including:
Obtain indoor return air temperature and indoor evaporator temperature, and obtain outdoor condenser coil temperature and outdoor environment temperature；
The absolute value calculating the difference between described indoor return air temperature and described indoor evaporator temperature is that the indoor temperature difference is absolute
It is worth, and the absolute value calculating the difference between described outdoor condenser coil temperature and described outdoor environment temperature is the outdoor temperature difference
Absolute value；
Judge whether described indoor temperature difference absolute value is less than the first preset value, and judge whether described outdoor temperature difference absolute value is less than
Second preset value；
If described indoor temperature difference absolute value is less than described second less than described first preset value and described outdoor temperature difference absolute value
Preset value, then judge that described system pressure is in poised state.
4. the startup control method of air-conditioner as claimed in claim 1, it is characterised in that controlling described air-conditioner with described
After the highest frequency preset runs the second Preset Time, it is judged that described air-conditioner has started.
5. the startup control method of air-conditioner as claimed in claim 4, it is characterised in that controlling described air-conditioner with described
During highest frequency runs described second Preset Time, also include:
Judge whether described system pressure reaches preset pressure；
If described system pressure reaches described preset pressure, then directly judge that described air-conditioner has started.
6. the startup control method of air-conditioner as claimed in claim 1, it is characterised in that when described indoor fan need with in
When wind shelves or high wind shelves start, control described air-conditioner and start strategy startup with default conventional high frequency.
7. an air-conditioner, it is characterised in that including:
First judge module, for described air-conditioner in a chiller mode or dehumidification mode start time, it is judged that described air conditioner chamber
Inner blower starts the need of with low wind shelves；
Second judge module, for needing to start with low wind shelves at described indoor fan, and the running frequency of described air-conditioner
When reaching the first predeterminated frequency and maintain the first Preset Time, it is judged that whether the system pressure of described air-conditioner is in equilibrium-like
State；
Control module, for controlling described air-conditioner with default highest frequency fortune when described system pressure is in poised state
OK, until described air-conditioner has started.
8. air-conditioner as claimed in claim 7, it is characterised in that described control module is additionally operable at described system pressure
When poised state, control described air-conditioner and continue to run with until described system pressure is in balance with described first predeterminated frequency
State.
9. air-conditioner as claimed in claim 7 or 8, it is characterised in that also include:
First temperature acquisition module, is used for obtaining indoor return air temperature and indoor evaporator temperature；
Second temperature acquisition module, is used for obtaining outdoor condenser coil temperature and outdoor environment temperature；
Computing module, for calculating the absolute value of the difference between described indoor return air temperature and described indoor evaporator temperature be
Indoor temperature difference absolute value, and calculate the absolute of difference between described outdoor condenser coil temperature and described outdoor environment temperature
Value is outdoor temperature difference absolute value, wherein,
Described second judge module judges that whether described indoor temperature difference absolute value is less than the first preset value, and judge described outdoor temp
Whether difference absolute value is less than the second preset value, and is less than described first preset value and described room at described indoor temperature difference absolute value
When outer temperature difference absolute value is less than described second preset value, it is judged that described system pressure is in poised state.
10. air-conditioner as claimed in claim 7, it is characterised in that described control module is additionally operable to controlling described air-conditioner
After running the second Preset Time with described default highest frequency, it is judged that described air-conditioner has started.
11. air-conditioners as claimed in claim 10, it is characterised in that described control module is additionally operable to controlling described air-conditioner
During running described second Preset Time with described highest frequency, it is judged that whether described system pressure reaches preset pressure,
And when described system pressure reaches described preset pressure, directly judge that described air-conditioner has started.
12. air-conditioners as claimed in claim 7, it is characterised in that described control module is additionally operable to when described indoor fan needs
When starting with apoplexy shelves or high wind shelves, control described air-conditioner and start strategy startup with default conventional high frequency.
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| CN110173952A (en) * | 2019-05-29 | 2019-08-27 | 合肥美的电冰箱有限公司 | Refrigeration equipment and its control method, control device, electronic equipment and storage medium |
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| CN106091288B (en) | 2019-07-30 |
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