CN110021937A - The control method and household electrical appliance of household electrical appliance - Google Patents
The control method and household electrical appliance of household electrical appliance Download PDFInfo
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- CN110021937A CN110021937A CN201910179166.7A CN201910179166A CN110021937A CN 110021937 A CN110021937 A CN 110021937A CN 201910179166 A CN201910179166 A CN 201910179166A CN 110021937 A CN110021937 A CN 110021937A
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- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000004146 energy storage Methods 0.000 claims description 33
- 230000005611 electricity Effects 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 7
- 230000002045 lasting effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 10
- 238000003860 storage Methods 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
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- 239000013078 crystal Substances 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/12—Circuit arrangements for AC mains or AC distribution networks for adjusting voltage in AC networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for AC mains or AC distribution networks for adjusting voltage in AC networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/10—The network having a local or delimited stationary reach
- H02J2310/12—The local stationary network supplying a household or a building
- H02J2310/14—The load or loads being home appliances
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention provides the control method and household electrical appliance of a kind of household electrical appliance.Household electrical appliance include load and the power supply circuit for load supplying.Control method includes: the running frequency for obtaining the load and the impedance for accessing the power supply circuit；In the case where the running frequency is less than the first predeterminated frequency and accesses the impedance of the power supply circuit greater than default impedance, the impedance for accessing the power supply circuit is reduced.The control method of embodiment of the present invention, in the case where the running frequency of the load of household electrical appliance is less than the first predeterminated frequency and in the case that the impedance of access power supply circuit is greater than default impedance, the impedance of access power supply circuit can be reduced, make to consume the power on impedor to reduce, on the one hand the power consumption of household electrical appliance entirety can be reduced, on the other hand, influence there will not be on the normal operation of household electrical appliance.
Description
Technical field
The present invention relates to technical field of electric appliances, in particular to the control method and household electrical appliance of a kind of household electrical appliance.
Background technique
Currently, household electrical appliance, such as air-conditioner outdoor unit can all be used to passive due to having harmonic wave or EMC requirement
PFC or active PFC circuit are generally fitted with the electrical components such as inductance or reactor in pfc circuit, when there is electricity in circuit
When miscarriage is raw, inductance or reactor can consume certain power, and electric current is bigger, and the power of consumption is bigger.And in high energy efficiency
Air-conditioning system in, need to allow the device of each consumption power all to work as much as possible in minimum power state, due to inductance or
Reactor is already installed on machine, and the power of consumption only has relationship with the complete machine size of current flowed through, cannot pass through other
Mode reduces power, and the power consumption of electric system is caused to increase, and in electric appliance low-frequency operation, cannot effectively reduce in appliance circuit
Impedor power, reduce power consumption.
Summary of the invention
Embodiments of the present invention provide the control method and household electrical appliance of a kind of household electrical appliance.
The control method of embodiment of the present invention is used for household electrical appliance, and the household electrical appliance include load and are used to be described
The power supply circuit of load supplying, the control method include:
It obtains the running frequency of the load and accesses the impedance of the power supply circuit；
Less than the first predeterminated frequency and the impedance of the power supply circuit is accessed greater than default impedance in the running frequency
In the case of, reduce the impedance for accessing the power supply circuit.
The control method of embodiment of the present invention, household electrical appliance load running frequency less than the first predeterminated frequency and
In the case that the impedance of access power supply circuit is greater than default impedance, the impedance of access power supply circuit can be reduced, make consumption in impedance
Power on element reduces, and on the one hand can reduce the power consumption of household electrical appliance entirety, on the other hand, to the normal operation of household electrical appliance
It there will not be influence.
In some embodiments, the power supply circuit includes concatenated multiple impedors, reduces and accesses the power supply
The impedance of circuit, comprising: be shorted one of them of the multiple impedor or several access the power supply circuit to reduce
Impedance.
In some embodiments, at least one or several of the multiple impedor is parallel with switch member, is shorted institute
State multiple impedors one of them or it is several, comprising: control switch member closure to be shorted the multiple impedor
One of them or it is several.
In some embodiments, the switch member is maintenance switch member, and the switch member is connected with switching circuit, institute
State control method include: by control be input to the switching circuit first control signal and second control signal level come
The working condition of the switch member is controlled, the working condition includes open and close.
In some embodiments, the control method include: export high level the first control signal continue it is pre-
If duration and persistently exporting the low level second control signal, it is closed the switch member；Persistently export low level institute
The second control signal for stating first control signal and output high level continues the preset duration, keeps the switch member disconnected
It opens.
In some embodiments, the control method includes: to be less than first predeterminated frequency in the running frequency
In the case where being not more than the default impedance with the impedance for accessing the power supply circuit, the impedance for accessing the power supply circuit is kept
It is constant.
In some embodiments, the control method includes:
It is greater than the pre- handicapping in the impedance that the running frequency is greater than the second predeterminated frequency and accesses the power supply circuit
In the case where anti-, keep the impedance for accessing the power supply circuit constant；
It is greater than second predeterminated frequency in the running frequency and accesses the impedance of the power supply circuit no more than described
In the case where default impedance, increase the impedance for accessing the power supply circuit,
Second predeterminated frequency is greater than first predeterminated frequency.
In some embodiments, the control method includes: in the running frequency not less than the described first default frequency
Rate and no more than in the case where second predeterminated frequency, keeping the impedance for accessing the power supply circuit constant.
In some embodiments, it includes power circuit and accumulator that the power supply circuit, which includes: the power supply circuit,
It by the accumulator is the impedor energy storage that the control method, which includes: the control power circuit,；Described in control
The impedor after power circuit and energy storage is the load supplying.
In some embodiments, in some embodiments, the control method includes: that the control power circuit is logical
Crossing the accumulator is the impedor energy storage, comprising: the switching transistor of the accumulator is connected so that the electricity
Source circuit is the impedor energy storage by the accumulator；The impedance element after controlling the power circuit and energy storage
Part is the load supplying, comprising: ends the switching transistor of the accumulator so that after the power circuit and energy storage
The impedor is the load supplying.
The household electrical appliance of embodiment of the present invention include control device, power supply circuit and load, the control device connection
The power supply circuit and the load, the power supply circuit are used for the load supplying, and the control device is described for obtaining
The running frequency of load and the impedance for accessing the power supply circuit, and be used in the running frequency less than the first predeterminated frequency
In the case where being greater than default impedance with the impedance for accessing the power supply circuit, the impedance for accessing the power supply circuit is reduced.
The household electrical appliance of embodiment of the present invention, household electrical appliance load running frequency less than the first predeterminated frequency and
In the case that the impedance of access power supply circuit is greater than default impedance, the impedance of access power supply circuit can be reduced, make consumption in impedance
Power on element reduces, and on the one hand can reduce the power consumption of household electrical appliance entirety, on the other hand, to the normal operation of household electrical appliance
It there will not be influence.
In some embodiments, the power supply circuit includes concatenated multiple impedors, and the control device is used for
Be shorted the multiple impedor one of them or it is several to reduce the impedance for accessing the power supply circuit.
In some embodiments, at least one or several of the multiple impedor is parallel with switch member, the control
Device processed be used to control switch member closure be shorted the multiple impedor one of them or it is several.
In some embodiments, the switch member is maintenance switch member, and the switch member is connected with switching circuit, institute
State control device for by control be input to the switching circuit first control signal and second control signal level come
The working condition of the switch member is controlled, the working condition includes open and close.
In some embodiments, the first control signal that the control device is used to control output high level continues
Preset duration and the low level second control signal is persistently exported, is closed the switch member, and for persistently exporting
The low level first control signal and the second control signal of output high level continue the preset duration, make described
Switch member disconnects.
In some embodiments, the control device be used for the running frequency be less than first predeterminated frequency and
The impedance of the power supply circuit is accessed no more than in the case where the default impedance, holding accesses the impedance of the power supply circuit not
Become.
In some embodiments, the control device is used to be greater than the second predeterminated frequency and access in the running frequency
In the case that the impedance of the power supply circuit is greater than the default impedance, keep the impedance for accessing the power supply circuit constant, with
And for being greater than second predeterminated frequency in the running frequency and accessing the impedance of the power supply circuit no more than described pre-
In the case that handicapping is anti-, increase the impedance for accessing the power supply circuit, second predeterminated frequency is greater than the described first default frequency
Rate.
In some embodiments, the control device is used to be not less than first predeterminated frequency in the running frequency
With no more than in the case where second predeterminated frequency, the impedance that holding accesses the power supply circuit is constant.
In some embodiments, it includes power circuit and accumulator that the household electrical appliance, which include the power supply circuit,
The control device is the impedor energy storage for controlling the power circuit by the accumulator, and for controlling
The impedor after making the power circuit and energy storage is the load supplying.
In some embodiments, the control device is used to be connected the switching transistor of the accumulator so that described
Power circuit is the impedor energy storage, and the switch crystal for ending the accumulator by the accumulator
It manages so that the impedor after the power circuit and energy storage is the load supplying.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the flow diagram of the control method of the household electrical appliance of embodiment of the present invention；
Fig. 2 is the module diagram of the household electrical appliance of embodiment of the present invention；
Fig. 3 is the another flow diagram of the control method of the household electrical appliance of embodiment of the present invention；
Fig. 4 is the circuit diagram of household electrical appliance in the related technology；
Fig. 5 is another flow diagram of the control method of the household electrical appliance of embodiment of the present invention；
Fig. 6 is the another flow diagram of the control method of the household electrical appliance of embodiment of the present invention；
Fig. 7 is another flow diagram of the control method of the household electrical appliance of embodiment of the present invention；
Fig. 8 is the circuit diagram of the household electrical appliance of embodiment of the present invention；
Fig. 9 is another circuit diagram of the household electrical appliance of embodiment of the present invention；
Figure 10 is another module diagram of the household electrical appliance of embodiment of the present invention；
Figure 11 is another module diagram of the household electrical appliance of embodiment of the present invention；
Schematic illustration when Figure 12 is the power supply circuit work of the household electrical appliance of embodiment of the present invention；
Another schematic illustration when Figure 13 is the power supply circuit work of the household electrical appliance of embodiment of the present invention；
Figure 14 is the waveform diagram of the power supply circuit of the household electrical appliance of embodiment of the present invention.
Main element symbol description:
Power supply circuit 102, load 104, impedor 106, control device 108, switch member 110, accumulator 112, electricity
Source circuit 114, switching circuit 116, impedor 200, control chip 124, the first control terminal 125, the second control terminal 126, control
End 128 processed, power supply 400, the first reactor L1, the second reactor L2, diode D1, diode D2, diode D3, diode
D4, diode D5, diode D6, diode D7, diode D8, magnetic latching relay RY1, switching transistor Q1.
Specific embodiment
Embodiments of the present invention are described below in detail, the embodiment of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, for explaining only the invention, and should not be understood as to limit of the invention
System.
In the description of embodiments of the present invention, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include one or more feature.In embodiments of the present invention
In description, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of embodiments of the present invention, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For ability
For the those of ordinary skill in domain, can understand as the case may be above-mentioned term in embodiments of the present invention specifically contain
Justice.
In embodiments of the present invention unless specifically defined or limited otherwise, fisrt feature second feature it
"upper" or "lower" may include that the first and second features directly contact, may include the first and second features be not directly to connect yet
It touches but by the other characterisation contact between them.
Following disclosure provides many different embodiments or example is used to realize embodiments of the present invention not
Same structure.In order to simplify the disclosure of embodiments of the present invention, hereinafter the component of specific examples and setting are described.When
So, they are merely examples, and is not intended to limit the present invention.In addition, embodiments of the present invention can be in different examples
Repeat reference numerals and/or reference letter in son, this repetition are for purposes of simplicity and clarity, itself not indicate to be begged for
By the relationship between various embodiments and/or setting.
It please join Fig. 1 and Fig. 2, embodiment of the present invention provides a kind of control method of household electrical appliance 100.Household electrical appliance 100
Including power supply circuit 102 and load 104.The connection of power supply circuit 102 load 104 is simultaneously powered for load 104.
Referring to Fig. 1, the control method of the household electrical appliance 100 of embodiment of the present invention includes:
Step S1 obtains the running frequency of load 104 and the impedance of access power supply circuit 102；
Step S2 is greater than default impedance in impedance of the running frequency less than the first predeterminated frequency and access power supply circuit 102
In the case where, reduce the impedance of access power supply circuit 102.
The control method of the household electrical appliance 100 of embodiment of the present invention, can be real by the household electrical appliance 100 of present embodiment
It is existing.Specifically, incorporated by reference to Fig. 2, household electrical appliance 100 include control device 108, power supply circuit 102 and load 104, control device
108 connection power supply circuits 102 and load 104, for power supply circuit 102 for loading 104 power supplies, control device 108 is negative for obtaining
104 running frequency and the impedance of access power supply circuit 102 are carried, and for less than the first predeterminated frequency and connecing in running frequency
Enter power supply circuit 102 impedance be greater than default impedance in the case where, reduce the impedance of access power supply circuit 102.
In the control method and household electrical appliance 100 of above-mentioned household electrical appliance 100, in the operation of the load 104 of household electrical appliance 100
In the case that impedance of the frequency less than the first predeterminated frequency and access power supply circuit 102 is greater than default impedance, access can be reduced and supplied
The impedance of circuit 102 makes to consume the power on impedor 106 and reduces, and on the one hand can reduce by 100 entirety of household electrical appliance
On the other hand power consumption there will not be influence to the normal operation of household electrical appliance 100.
It please join Fig. 3, specifically, step S2 includes:
Whether step S20 judges running frequency less than the first predeterminated frequency；
Step S30 judges the impedance for accessing power supply circuit 102 in the case where running frequency is less than the first predeterminated frequency
Whether default impedance is greater than；
Step S40 reduces access power supply circuit in the case where the impedance for accessing power supply circuit 102 is greater than default impedance
102 impedance.
The control method of the household electrical appliance 100 of embodiment of the present invention, can be real by the household electrical appliance 100 of present embodiment
It is existing.Specifically, incorporated by reference to Fig. 2, control device 108 be used to obtain load 104 running frequency, and for judging that running frequency is
It is no less than the first predeterminated frequency, and in the case where running frequency is less than the first predeterminated frequency, judge access power supply electricity
Whether the impedance on road 102 is greater than default impedance, and for being greater than the case where presetting impedance in the impedance for accessing power supply circuit 102
Under, reduce the impedance of access power supply circuit 102.
It is appreciated that in other embodiments, can also first judge the impedance and default impedance that access power supply circuit 102
Relationship, then judge the relationship of running frequency Yu the first predeterminated frequency, or judge to access the impedance of power supply circuit 102 and pre- simultaneously
The anti-relationship of handicapping, and judge the relationship of running frequency Yu the first predeterminated frequency.It is not specifically limited herein.In addition, load 104
Running frequency and the acquisition sequencing of impedance of access power supply circuit 102 be also not especially limited.In other embodiment party
In formula, the running frequency of load 104 can also be first acquired, then the running frequency of judgement load 104 and the first predeterminated frequency
Then relationship acquires the impedance of access power supply circuit 102 again, then judge the impedance and pre- handicapping that access power supply circuit 102 again
Anti- relationship etc..These embodiments are within the scope of the present invention.
Specifically, household electrical appliance 100 including but not limited to air conditioner, refrigerator, washing electric appliance, microwave cooking equipment etc., it is right
Ying Di, load 104 include but is not limited to compressor, pump, frequency converter, magnetron etc..Control device 108 can control load 104
It is run with different frequencies.In embodiments of the present invention, household electrical appliance 100 are transducer air conditioning, and load 104 is compressor, only
It is specifically described with this embodiment, the present invention includes but is not limited to only to apply this embodiment.
It is appreciated that in the related art, due to harmonic wave or EMC (Electro Magnetic Compatibility,
Electromagnetic compatibility) it requires, household electrical appliance will use passive PFC (Power Factor Correction) circuit or active PFC
Circuit.Incorporated by reference to Fig. 4, in passive PFC circuit, be generally all connected with biggish impedor 200 (inductance or reactor) with
The harmonic wave etc. needed in circuit is provided.The power that impedor 200 in circuit consumes is P=I^2*R, and wherein I is electric current, R
For resistance, P is power.Thus formula by reducing the impedance of the access power supply circuit of impedor 200 to reduce access it is found that can be supplied
The impedance of circuit.In addition, the control method of embodiment of the present invention can be applied to passive PFC circuit and active PFC circuit.
From the foregoing, it will be observed that in embodiments of the present invention, the power and flow through impedor 106 that impedor 106 consumes
Square directly proportional, while the resistance and direct ratio with impedor 106 of electric current.Resistance is bigger, the power that impedor 106 consumes
It is bigger.In the household electrical appliance 100 of high energy efficiency, need that the device of each consumption power is allowed to be worked as much as possible in small-power shape
State, to reduce the overall power of complete machine.Therefore, the whole of complete machine can be reduced by reducing the impedance of access power supply circuit 102
Body power consumption.It is appreciated that the running frequency of load 104 is controlled by control device 108 according to 100 operating condition of household electrical appliance.For
For air conditioner, the operating condition of air conditioner includes various operational modes, and operational mode includes but is not limited to refrigeration mode, heating mould
Formula, dehumidification mode, ventilation mode, energy-saving mode, sleep pattern etc..The selection of operational mode can be air conditioner and automatically select,
It is also possible to be instructed according to the input of user to select, is not specifically limited herein.
In step sl, the running frequency of load 104 is obtained, is the running frequency for obtaining compressor in the present embodiment.
Normally, in compressor with the higher frequency operation phase, the complete machine power of household electrical appliance 100 is larger, and reduction connects
The power for entering the impedance of power supply circuit 102 and generating declines the specific gravity very little (be substantially negligible and disregard) for complete machine,
It has little significance for improving complete machine Energy Efficiency Ratio, while big in the electric current in high frequency stage, reducing impedance may be to harmonic wave and power
Factor has a significant impact.Therefore, it is greater than in impedance of the running frequency of load less than the first predeterminated frequency and access power supply circuit
In the case where default impedance, the impedance of access power supply circuit 102 is just reduced.In this way, the mode for reducing power consumption is transported in compressor
Row uses in the stage of low frequency, harmonic wave and power factor is influenced so little.
Default impedance is R0, and set impedance is R1 when being supported on compared with low-frequency operation, is supported on higher-frequency operation when institute
The impedance set is R2, and the present impedance of access power supply circuit 102 is RT, wherein R2 > R1.The visual actual conditions tool of the setting of R0
Body setting.In one example, R0=R1 reduces access in the case where running frequency is less than the first predeterminated frequency and RT > R0
The impedance of power supply circuit 102, so that accessing the present impedance RT=R1 or RT < R1 of power supply circuit 102 after reducing.
In another example, R1<R0<R2 subtracts in the case where running frequency is less than the first predeterminated frequency and RT>R0
Less access power supply circuit 102 impedance so that reduce after access power supply circuit 102 present impedance RT=R1 or RT < R1 or R1 <
RT<R0。
In embodiments of the present invention, can be the frequency less than the first predeterminated frequency compared with low frequency or low frequency, higher-frequency or
High frequency can be the frequency not less than the first predeterminated frequency.It should be noted that in 100 initial launch of household electrical appliance, load
It can generally be run with higher running frequency.In this case, the impedance for accessing power supply circuit 102 also relatively large guarantees
Meet the requirement of harmonic wave and power factor.After household electrical appliance 100 run a period of time, load 104 may be come with low-frequency operation
Reduce power consumption.Therefore, in the case where the running frequency of load is less than the first predeterminated frequency, reduce access power supply circuit 102
Impedance reduces power consumption, meanwhile, influence to harmonic wave and power factor is also within the acceptable range.
It please join Fig. 5, in some embodiments, control method includes:
Step S3 is less than first predeterminated frequency in running frequency and accesses the impedance of power supply circuit 102 no more than pre-
In the case that handicapping is anti-, keep the impedance of access power supply circuit 102 constant.
Specifically, step S3 can be realized by the household electrical appliance 100 of embodiment of the present invention, that is to say, that control device
108 for being not more than default impedance in the impedance that running frequency is less than first predeterminated frequency and accesses power supply circuit 102
In the case of, keep the impedance of access power supply circuit 102 constant.
In this way, the low power consumpting state of power supply circuit 102 can be kept, while right with proof load when lower frequency is run
The influence of the property requirements of circuit, such as influence to harmonic wave and power factor, also within an acceptable range.
Referring to Fig. 6, in some embodiments, control method includes:
Step S4 is greater than default impedance in the impedance that running frequency is greater than the second predeterminated frequency and accesses power supply circuit 102
In the case where, keep the impedance of access power supply circuit 102 constant；
Step S5 is not more than pre- handicapping in the impedance that running frequency is greater than the second predeterminated frequency and accesses power supply circuit 102
In the case where anti-, increase the impedance of access power supply circuit 102.
Second predeterminated frequency is greater than the first predeterminated frequency.
Specifically, above-mentioned steps can be realized by the household electrical appliance 100 of embodiment of the present invention, that is to say, that control dress
108 are set for the case where the impedance that running frequency is greater than the second predeterminated frequency and accesses power supply circuit 102 is greater than default impedance
Under, it keeps the impedance of access power supply circuit 102 constant, and be used for, is greater than the second predeterminated frequency in running frequency and access supplies
In the case that the impedance of circuit 102 is not more than default impedance, increase the impedance of access power supply circuit 102.
In this way, power supply circuit 102 can be made to run with higher resistance, meet household when the running frequency of load is higher
The circuit characteristic requirement of electric appliance 100, such as the requirement of harmonic wave and power factor.
Specifically, when load 104 with low-frequency operation for a period of time after, according to the operating condition of household electrical appliance 100 or other controls
Instruction, load 104 may be run again with upper frequency, at this point, to guarantee to meet circuit characteristic requirement, such as harmonic wave and power
The requirement of factor, power supply circuit 102 are needed with biggish impedance operation.Therefore, running frequency be greater than the second predeterminated frequency and
In the case that the impedance of access power supply circuit 102 is greater than default impedance, keep the impedance of access power supply circuit 102 constant, and
In the case that running frequency is greater than impedance of second predeterminated frequency with access power supply circuit 102 no more than default impedance, increase is connect
Enter the impedance of power supply circuit 102.Specifically, the impedance that power supply circuit 102 can be accessed by increasing impedor 106 connects to increase
Enter the impedance of power supply circuit 102.
It please join Fig. 7, in some embodiments, control method includes:
Step S6 is kept in the case where running frequency is not less than the first predeterminated frequency and is not more than the second predeterminated frequency
The impedance for accessing power supply circuit 102 is constant.
Specifically, above-mentioned steps can be realized by the household electrical appliance 100 of embodiment of the present invention, that is to say, that control dress
108 are set for keeping access to supply in the case where running frequency is not less than the first predeterminated frequency and no more than the second predeterminated frequency
The impedance of circuit 102 is constant.
In this way, can be to avoid the impedance of frequent switching power supply circuit 102.
Normally, during household electrical appliance 100 are run, fluctuation may be generated by loading 104 running frequency.If inspection
When measuring the running frequency of load 104 not less than the first predeterminated frequency and no more than the second predeterminated frequency, access power supply electricity is kept
The impedance on road 102 is constant, can be to avoid the frequent switching for leading to impedance because loading 104 fluctuation of running frequency.At one
In example, when household electrical appliance 100 start, the impedance of access power supply circuit 102 is R2.In subsequent detection to load 104
In the case that running frequency is greater than default impedance less than the first predeterminated frequency and R2, reduces the impedance of access power supply circuit 102, subtract
Impedance after few is R1.The case where the running frequency detected is not less than the first predeterminated frequency and is not more than the second predeterminated frequency
Under, keeping the impedance of access power supply circuit 102 is R1.
In the present embodiment, if the running frequency of load 104 illustrates load 104 low less than the first predeterminated frequency
Frequency stage running.If the running frequency of load 104 is greater than the second predeterminated frequency, illustrate that load 104 operates in the high frequency stage.?
In one example, the selectable range of the first predeterminated frequency be [29Hz, 31Hz), the selectable range of the second predeterminated frequency is
[31Hz,33Hz].In one example, the first predeterminated frequency is 30Hz, and the second predeterminated frequency is 32Hz.
It please join Fig. 8 and Fig. 9, power supply circuit 102 includes concatenated multiple impedors 106, and step S40 includes: to access
In the case that the impedance of power supply circuit 102 is greater than default impedance, be shorted multiple impedors 106 one of them or it is several to subtract
The impedance of power supply circuit 102 is accessed less.
Above-mentioned steps can be realized by the household electrical appliance 100 of embodiment of the present invention, that is to say, that control device 108 is used for
In the case where the impedance for accessing power supply circuit 102 is greater than default impedance, be shorted multiple impedors 106 one of them or it is several
A impedance to reduce access power supply circuit 102.
In this way, realizing the impedance purpose for reducing access power supply circuit 102.
Specifically, when the impedance of multiple impedors 106 accesses power supply circuit 102, total impedance, which is equal to, to be supported on
Impedance R2 needed for the high frequency operation phase.The number of impedor 106 is k (k is positive integer), each impedor 106
Impedance magnitude is Tj (1≤j≤k), that T1+T2+ ...+Tj=R2.The impedance magnitude of each impedor 106 can be identical or not
Together.
Fig. 4 and Fig. 8 and Fig. 9 is being combined, the biggish impedor 200 (such as its impedance is R2) of impedance is split as impedance
Lesser two impedors 106, the impedance of each impedor 106 are equal to the half of the impedance of impedor 200, i.e., each
The impedance magnitude of impedor 106 is R2/2.Since total impedance magnitude does not change, when two impedors 106 access
In the case where power supply circuit 102, the general power of consumption is the sum of the respective power of two impedors 106, with impedor 200
The power of consumption is the same.If one of impedor 106 is shorted, at this time the electric current in power supply circuit 102 only
Another impedor 106 is flowed through, the impedor 106 being shorted just is flowed through without electric current, which does not just disappear
Wasted work rate reduces power consumption with this.In one example, impedance can be understood as resistance, and impedance magnitude can be regarded as resistance value.Separately
Outside, impedor 106 includes but is not limited to reactor, resistor, inductance and other can generate hindrance function in circuit
Impedor 106.
Specifically, at least one or several of multiple impedors 106 is parallel with switch member 110, is shorted multiple impedance elements
Part 106 one of them or it is several, comprising: control switch part 110 closure be shorted multiple impedors 106 one of them or
It is several.In this way, method is simple by switch member 110 come shorting impedance element 106, it is easily controllable and at low cost.
For example, in the example of fig. 8, the quantity of impedor 106 is 2, one of impedor 106 is parallel with out
Part 110 is closed, another impedor 106 does not have paralleling switch part 110.In this way, being two impedors 106 in the initial state
In the case where accessing power supply circuit 102 (i.e. switch member 110 is the state disconnected), access power supply circuit is reduced in subsequent needs
When 102 impedance, then the closure of control switch part 110 is to be shorted one of impedor 106.
It is appreciated that in other embodiments, can also each of two impedors 106 be parallel with switch member
110, in the subsequent impedance for needing to reduce access power supply circuit 102, then it can control one of closure of switch member 110 to be shorted
One of impedor 106.In addition, can be, one of impedor when the quantity of impedor 106 is greater than 2
106 are parallel with switch member 110, and other impedors 106 not paralleling switch part 110 is also possible to each impedor 106
It is parallel with switch member 110, is also possible to adjacent concatenated two of them impedor 106 switch member 110 in parallel,
Other impedors 106 not paralleling switch part 110 etc..
It should be noted that consider the access power supply circuit after reducing when reducing the impedance of access power supply circuit 102
102 impedance need to meet dependent circuit characteristics requirement.For example, incorporated by reference to Fig. 8, even if being parallel in each impedor 106
In the case where switch member 110, it can not be shorted two impedors 106 simultaneously.In one example, household electrical appliance 100 are empty
Device is adjusted, Fig. 8 and circuit shown in Fig. 9 can be applied to outdoor unit of the air conditioner rectification circuit.Rectification circuit includes by four two poles
The rectifier bridge that pipe D1, D2, D3 and D4 are constituted.
Incorporated by reference to Fig. 8 to Figure 10, control device 108 includes control chip 124 and switching circuit 116, and control chip 124 connects
Switching circuit 116 and power supply circuit 102 are connect, control signal is exported by control chip 124 to make 116 control switch part of switching circuit
110 working condition.Working condition includes open and close.In one example, control chip 124 can be MCU (microcontroller
Device).
In the example of Fig. 8 and Fig. 9, switch member 110 includes relay.In fig. 8, relay is normal-open type relay,
Two contacts are to disconnect when the coil no power of normal-open type relay, and after energization, two contacts are just closed.Therefore, short in needs
When connecing impedor 106, the control output control signal of chip 124 makes switching circuit 116 persistently power to relay, to be shorted
Impedor 106.In other embodiments, relay can be closed type relay.The coil no power of closed type relay
When two contacts be closure, latter two contact that is powered just disconnects.Therefore, when needing not shorting impedance element 106, chip is controlled
124 output control signals, make switching circuit 116 persistently hold power supply to relay, carry out not shorting impedance element 106.
In the example of fig. 8,128 master chip of control terminal for controlling 124 connection switch circuit 116 of chip controls signal, by
Chip 124 is controlled by the control terminal input control signal of switching circuit 116 to switching circuit 116, control switching circuit 116
The working condition of switch member 110 processed.
In above embodiment, maintained since the state holding of switch member 110 needs persistently to power to switch member 110,
Relay will increase more power consumption in this way, and in order to reduce power consumption as much as possible, in some embodiments, switch member 110
It can be maintenance switch member.Control method includes: that the first control signal and the second control of switching circuit are input to by controlling
The level of signal carrys out the working condition of control switch part.
In the example of figure 9, maintenance switch member is magnetic latching relay RY1.Magnetic latching relay RY1's is normally opened or normal
Closed state is to rely on the effect of permanent magnet, and the conversion of working condition is to lean on the pulse signal triggering of one fixed width and complete
's.When the contact of usual magnetic latching relay RY1 is in hold mode, coil needs not continue to be powered, only by permanent magnet
Magnetic force can maintain the state of relay constant.In this way, using magnetic latching relay RY1 as switch member 110, can to avoid
More power is consumed in switch member 110, to further decrease the power consumption of 100 complete machine of household electrical appliance.It should be pointed out that switch
Part 110 can also be not limited only to relay discussed above to select other elements with switching function.
Specifically, control method includes: that the first control signal of output high level continues preset duration and persistently exports low
The second control signal of level is closed switch member 110；
The second control signal for persistently exporting low level first control signal and output high level continues preset duration, makes
Switch member 110 disconnects.
Above-mentioned steps can be realized by control device 108, that is to say, that control device 108 is used to control output high level
First control signal continues preset duration and persistently exports low level second control signal, is closed switch member 110, Yi Jiyong
Continue preset duration in the second control signal of the low level first control signal of lasting output and output high level, makes switch member
116 disconnect.In this way, realizing the state switching of maintenance switch member.
Specifically, incorporated by reference to Fig. 9, the original operating state of magnetic latching relay RY1 is to disconnect, and control chip 124 exports
The first control signal of high level continues the 125 chip controls signal 2 of the first control terminal of preset duration to switching circuit 116, holds
The continuous low level second control signal of output makes magnetic keep relay to the 126 chip controls signal 1 of the second control terminal of switching circuit
Device RY1 closure.After the first control signal of output high level continues preset duration, the control control of chip 124 persistently exports low
The first control signal of level.
Control chip 124 persistently exports 125 core of the first control terminal of low level first control signal to switching circuit 116
Piece controls signal 2, and the second control signal for exporting high level continues the second control terminal 126 of preset duration to switching circuit 116
Chip controls signal 1 disconnects magnetic latching relay RY1.After the second control signal of output high level continues preset duration,
The control control of chip 124 persistently exports low level second control signal.
In some embodiments, preset duration can be any number between 1 second, 10 seconds or both.It is appreciated that height
Level and low level are to refer to electrical characteristics possessed by the control signal of the movement of trigger switch part 110, such as voltage or electric current.
Specific voltage or size of current, set depending on particular situation.And for the simplicity in control logic, usually high level is set
It is 1, low level is set to 0.In Fig. 9, illustrate as an example, first control signal output 1 (represents the first control of high level
Signal processed) it is for 1 seconds after persistently export 0 to switching circuit 116 125 chip controls signal 2 of the first control terminal, second control letter
Number always 0 (representing low level second control signal) of output to switching circuit 116 126 chip controls signal of the second control terminal
In the case where 1, magnetic latching relay RY1 closure.First control signal exports always 0, and second control signal output 1 is for 1 seconds
Afterwards persistently in the case where output 0, magnetic latching relay RY1 is disconnected.
In some embodiments, incorporated by reference to Figure 11, power supply circuit 102 includes power circuit 114 and accumulator 112,
Control method includes: that controlling power circuit 114 passes through accumulator 112 as 106 energy storage of impedor；Controlling power circuit 114
It is 104 power supply of load with the impedor 106 after energy storage.
Above-mentioned steps can be realized by the household electrical appliance 100 of embodiment of the present invention, that is to say, that control device 108 is used for
Controlling power circuit 114 is 106 energy storage of impedor by accumulator 112；And it is used for controlling power circuit 114 and energy storage
Impedor 106 afterwards is 104 power supply of load.So, it can be achieved that boosting to power supply circuit 102, meets the operation of load 104
Condition.
Specifically, incorporated by reference to Fig. 8 and Fig. 9, accumulator 112 includes switching transistor Q1 and four diodes D5, D6, D7
And the base stage connection control chip 124 of D8, switching transistor Q1, it is connected by 124 control switch transistor Q1 of control chip and is cut
Only.In one example, switching transistor Q1 may include IGBT (Insulated Gate Bipolar Transistor, insulation
Grid bipolar junction transistor).It should be pointed out that element model and numerical value shown in Fig. 8 and Fig. 9, are intended only as illustrating,
It is not limiting the scope of the invention.
Controlling power circuit 114 is 106 energy storage of impedor by accumulator 112, comprising: conducting accumulator 112
Switching transistor Q1 so that power circuit 114 by accumulator 112 be 106 energy storage of impedor.
Impedor 106 after controlling power circuit 114 and energy storage is 104 power supply of load, comprising: cut-off accumulator
112 switching transistor Q1 is so that the impedor 106 after power circuit 114 and energy storage is 104 power supply of load.
Above-mentioned steps can be realized by the household electrical appliance 100 of embodiment of the present invention, that is to say, that control device 108 is used for
Be connected accumulator 112 switching transistor Q1 so that power circuit 114 by accumulator 112 be 106 energy storage of impedor,
And the switching transistor Q1 for ending accumulator 112 is so that the impedor 106 after power circuit 114 and energy storage is load
104 power supplies.
In this way, realizing that impedor 106 stores energy and releases energy by the on and off of switching transistor Q1, control
Mode processed is simple, at low cost.
Specifically, incorporated by reference to Figure 12, when the switching transistor Q1 of accumulator 112 is connected, power supply 400 passes through accumulator
112 be 106 energy storage of impedor.Impedance element is stored in when the switching transistor Q1 of accumulator 112 ends incorporated by reference to Figure 13
The energy of part 106 releases so that the voltage for loading both ends increases.It in figure 12 and figure 13, is electric current shown in dotted arrow
Direction.In one example, power supply 400 can be AC power source (such as two-phase alternating current source), the control of control switch transistor Q1
Signal processed can be pulse signal.The PFC that pulse signal can export for control chip 124 controls signal.Each alternating voltage zero-crossing
After signal, control chip 124 is with regard to output pulse signal, the pfc circuit liter being made up of accumulator 112 and impedor 106
Pressure.The base of the waveform of alternating voltage, the signal waveform for the output pin for controlling chip 124 and switching transistor Q1 is indicated in Figure 14
The corresponding relationship of the control signal waveform of pole.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", specific examples or " some examples " etc. means the specific spy for combining embodiment or example to describe
Sign, structure, material or feature are contained at least one embodiment or example of the invention.In the present specification, to upper
The schematic representation for stating term is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure,
Material or feature can be combined in any suitable manner in any one or more embodiments or example.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processing module or other can be from instruction
Execute system, device or equipment instruction fetch and the system that executes instruction) use, or combine these instruction execution systems, device or
Equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any may include, store, communicating, propagating or
Transfer program uses for instruction execution system, device or equipment or in conjunction with these instruction execution systems, device or equipment
Device.The more specific example (non-exhaustive list) of computer-readable medium include the following: there are one or more wirings
Electrical connection section (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that can on it the paper of print routine or other suitable be situated between
Matter, because can then be edited, be interpreted or when necessary with other for example by carrying out optical scanner to paper or other media
Suitable method is handled electronically to obtain program, is then stored in computer storage.
It should be appreciated that each section of embodiments of the present invention can be with hardware, software, firmware or their combination come real
It is existing.In the above-described embodiment, multiple steps or method can be with storages in memory and by suitable instruction execution system
The software or firmware of execution is realized.For example, if realized with hardware, in another embodiment, ability can be used
Any one of following technology or their combination well known to domain is realized: being had for realizing logic function to data-signal
The discrete logic of logic gates, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array
(PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
Suddenly be that relevant hardware can be instructed to complete by program, program can store in a kind of computer readable storage medium
In, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In addition, each functional unit in various embodiments of the present invention can integrate in a processing module, it can also
To be that each unit physically exists alone, can also be integrated in two or more units in a module.It is above-mentioned integrated
Module both can take the form of hardware realization, can also be realized in the form of software function module.If integrated module
In the form of software function module realize and when sold or used as an independent product, also can store can in a computer
It reads in storage medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (20)
1. a kind of control method of household electrical appliance, the household electrical appliance include loading and for the power supply electricity for the load supplying
Road, which is characterized in that the control method includes:
It obtains the running frequency of the load and accesses the impedance of the power supply circuit；
Less than the first predeterminated frequency and the case where impedance of the power supply circuit is greater than default impedance is accessed in the running frequency
Under, reduce the impedance for accessing the power supply circuit.
2. control method as described in claim 1, which is characterized in that the power supply circuit includes concatenated multiple impedance elements
Part reduces the impedance for accessing the power supply circuit, comprising:
Be shorted the multiple impedor one of them or it is several to reduce the impedance for accessing the power supply circuit.
3. control method as claimed in claim 2, which is characterized in that at least one or several of the multiple impedor is simultaneously
Be associated with switch member, be shorted the multiple impedor one of them or it is several, comprising: control switch member closure to be shorted
The multiple impedor one of them or it is several.
4. control method as claimed in claim 3, which is characterized in that the switch member is maintenance switch member, the switch
Part is connected with switching circuit, the control method include: by control be input to the switching circuit first control signal and
The level of second control signal controls the working condition of the switch member, and the working condition includes open and close.
5. control method as claimed in claim 4, which is characterized in that the control method includes: the described of output high level
First control signal continues preset duration and persistently exports the low level second control signal, is closed the switch member；
The second control signal for persistently exporting the low level first control signal and output high level is lasting described pre-
If duration, disconnect the switch member.
6. control method as described in claim 1, which is characterized in that the control method includes:
It is preset in the impedance that the running frequency is less than first predeterminated frequency and accesses the power supply circuit no more than described
In the case where impedance, keep the impedance for accessing the power supply circuit constant.
7. control method as described in claim 1, which is characterized in that the control method includes:
It is greater than the default impedance in the impedance that the running frequency is greater than the second predeterminated frequency and accesses the power supply circuit
In the case of, keep the impedance for accessing the power supply circuit constant；
It is preset in the impedance that the running frequency is greater than second predeterminated frequency and accesses the power supply circuit no more than described
In the case where impedance, increase the impedance for accessing the power supply circuit,
Second predeterminated frequency is greater than first predeterminated frequency.
8. control method as claimed in claim 7, which is characterized in that the control method includes:
In the case where the running frequency is not less than first predeterminated frequency and is not more than second predeterminated frequency, keep
The impedance for accessing the power supply circuit is constant.
9. control method as described in claim 1, which is characterized in that the power supply circuit includes power circuit and energy storage electricity
Road, the control method include:
It is the impedor energy storage that the power circuit, which is controlled, by the accumulator；
The impedor after controlling the power circuit and energy storage is the load supplying.
10. control method as claimed in claim 9, which is characterized in that control the power circuit and pass through the accumulator
For the impedor energy storage, comprising:
The switching transistor of the accumulator is connected so that the power circuit by the accumulator be the impedance element
Part energy storage；
The impedor after controlling the power circuit and energy storage is the load supplying, comprising:
End the switching transistor of the accumulator so that the impedor after the power circuit and energy storage is described
Load supplying.
11. a kind of household electrical appliance, which is characterized in that including control device, power supply circuit and load, the control device connects institute
Power supply circuit and the load are stated, the power supply circuit is used to be the load supplying, and the control device is described for obtaining
The running frequency of load and the impedance for accessing the power supply circuit, and be used in the running frequency less than the first predeterminated frequency
In the case where being greater than default impedance with the impedance for accessing the power supply circuit, the impedance for accessing the power supply circuit is reduced.
12. household electrical appliance as claimed in claim 11, which is characterized in that the power supply circuit includes concatenated multiple impedance elements
Part, the control device are used to be shorted one of them of the multiple impedor or several access the power supply circuit to reduce
Impedance.
13. household electrical appliance as claimed in claim 12, which is characterized in that at least one or several of the multiple impedor
It is parallel with switch member, the control device is used to control the switch member closure to be shorted wherein the one of the multiple impedor
It is a or several.
14. household electrical appliance as claimed in claim 13, which is characterized in that the switch member is maintenance switch member, described to open
Close part and be connected with switching circuit, the control device be used to be input to by control the switching circuit first control signal and
The level of second control signal controls the working condition of the switch member, and the working condition includes open and close.
15. household electrical appliance as claimed in claim 14, which is characterized in that the control device is used to control output high level
The first control signal continues preset duration and persistently exports the low level second control signal, closes the switch member
It closes, and continues for persistently exporting the low level first control signal and exporting the second control signal of high level
The preset duration disconnects the switch member.
16. household electrical appliance as claimed in claim 11, which is characterized in that the control device is used for small in the running frequency
In first predeterminated frequency and the impedance for accessing the power supply circuit no more than in the case where the default impedance, access is kept
The impedance of the power supply circuit is constant.
17. household electrical appliance as claimed in claim 11, which is characterized in that the control device is used for big in the running frequency
In the second predeterminated frequency and the impedance for accessing the power supply circuit greater than in the case where the default impedance, holding accesses the confession
The impedance of circuit is constant, and for being greater than second predeterminated frequency in the running frequency and accessing the power supply circuit
Impedance no more than in the case where the default impedance, increase the impedance for accessing the power supply circuit,
Second predeterminated frequency is greater than first predeterminated frequency.
18. household electrical appliance as claimed in claim 17, which is characterized in that the control device be used for the running frequency not
Less than first predeterminated frequency and no more than the resistance in the case where second predeterminated frequency, keeping accessing the power supply circuit
Resist constant.
19. household electrical appliance as claimed in claim 11, which is characterized in that the power supply circuit includes power circuit and energy storage electricity
Road, the control device are the impedor energy storage, Yi Jiyong for controlling the power circuit by the accumulator
The impedor after controlling the power circuit and energy storage is the load supplying.
20. household electrical appliance as claimed in claim 19, which is characterized in that the control device is for being connected the accumulator
Switching transistor so that the power circuit by the accumulator is the impedor energy storage, and for ending
The switching transistor of accumulator is stated so that the impedor after the power circuit and energy storage is the load supplying.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910179166.7A CN110021937B (en) | 2019-03-11 | 2019-03-11 | Control method of household appliance and household appliance |
| PCT/CN2019/112326 WO2020181770A1 (en) | 2019-03-11 | 2019-10-21 | Household appliance control method, and household appliance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910179166.7A CN110021937B (en) | 2019-03-11 | 2019-03-11 | Control method of household appliance and household appliance |
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| CN110021937B CN110021937B (en) | 2020-09-25 |
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| WO2020181770A1 (en) * | 2019-03-11 | 2020-09-17 | 广东美的制冷设备有限公司 | Household appliance control method, and household appliance |
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| US20140376284A1 (en) * | 2013-06-21 | 2014-12-25 | Hamilton Sundstrand Corporation | Systems and methods for tuning the control of a shunt active power filter over a variable frequency |
| CN104134981A (en) * | 2014-07-02 | 2014-11-05 | 邯郸美的制冷设备有限公司 | Overvoltage protection device for air conditioner, overvoltage protection method and air conditioner |
| CN104882887A (en) * | 2015-05-28 | 2015-09-02 | 株洲变流技术国家工程研究中心有限公司 | Frequency conversion speed adjusting device output filter and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020181770A1 (en) * | 2019-03-11 | 2020-09-17 | 广东美的制冷设备有限公司 | Household appliance control method, and household appliance |
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| WO2020181770A1 (en) | 2020-09-17 |
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