CN107131617B - Control method, device and the computer readable storage medium of air conditioner - Google Patents
Control method, device and the computer readable storage medium of air conditioner Download PDFInfo
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- CN107131617B CN107131617B CN201710441620.2A CN201710441620A CN107131617B CN 107131617 B CN107131617 B CN 107131617B CN 201710441620 A CN201710441620 A CN 201710441620A CN 107131617 B CN107131617 B CN 107131617B
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Abstract
The invention discloses a kind of control methods of air conditioner, the control method of the air conditioner include: in the air conditioner machine be in the standby state, monitor preset noise reduction instruction, wherein the current aperture of the electric expansion valve of the internal machine of air-conditioner is the first default step value；When monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the second default step value, to flow through the refrigerant flow rate of the electric expansion valve less than the first preset flow rate threshold value；Wherein, the described first default step value is greater than the described second default step value.The invention also discloses a kind of control device of air conditioner and computer readable storage mediums.The present invention improves the usage comfort of air conditioner.
Description
Technical field
The present invention relates to air conditioner technical fields more particularly to a kind of control method of air conditioner, device and computer can
Read storage medium.
Background technique
Currently, air conditioner is after standby, in order to avoid due to being accumulated in refrigerant and lubricating oil in the air conditioner machine, thus
Cause the recirculating oil quantity in air conditioner external in compressor inadequate, and then influence the operational efficiency after air conditioner booting, it will usually
The electric expansion valve of air conditioner is opened certain aperture by control, so that refrigerant is via electric expansion valve from high pressure to lowpressure stream
Dynamic, in refrigerant flow process, lubricating oil is back in compressor by the way, to ensure that the recirculating oil quantity in compressor fills
Foot.However, can generate corresponding coolant noise due in refrigerant flow process, this can bring interference to user, result in sky
Adjust the usage comfort of device bad.
Summary of the invention
It is a primary object of the present invention to propose a kind of control method of air conditioner, device and computer-readable storage medium
Matter, it is intended to solve the bad technical problem of the usage comfort of air conditioner in the prior art.
To achieve the above object, the present invention provides a kind of control method of air conditioner, the control method packet of the air conditioner
Include following steps:
Machine is in the standby state in the air conditioner, monitors preset noise reduction instruction, wherein the electricity of the internal machine of air-conditioner
The current aperture of sub- expansion valve is the first default step value；
When monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the second default step value,
To flow through the refrigerant flow rate of the electric expansion valve less than the first preset flow rate threshold value；
Wherein, the described first default step value is greater than the described second default step value.
Preferably, described when monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the
The step of two default step values includes:
When monitoring noise reduction instruction, controls the electric expansion valve and close, by working as the electric expansion valve
Preceding aperture is restored to initial step value；
The current aperture of the electric expansion valve is adjusted to the described second default step value from the initial step value.
Preferably, the described first default step value is set as 96 steps.
Preferably, the value range of the first preset flow rate threshold value is set as 50~100L/H, wherein L/H indicates single
Position l/h.
Preferably, described when monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the
After the step of two default step values, further includes:
When receiving power-on instruction, the electric expansion valve is closed, by the current aperture of the electric expansion valve
Restore to initial step value；
The current aperture of the electric expansion valve is adjusted to third from the initial step value and presets step value, to flow through
The refrigerant flow rate for stating electric expansion valve is greater than the second preset flow rate threshold value.
Preferably, described when monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the
After the step of two default step values, further includes:
When opening defrost operating mode, the electric expansion valve is closed, by currently opening for the electric expansion valve
Degree restores to initial step value；
The current aperture of the electric expansion valve is adjusted to the 4th default step value from the initial step value, the described 4th is pre-
If step value is the electric expansion valve in the corresponding aperture of defrost operating mode.
Preferably, described when monitoring noise reduction instruction when the air conditioner is multi-connected machine, the electronics is swollen
The current aperture regulation of swollen valve to the step of the second default step value includes:
It, will be described interior when the corresponding noise reduction of the interior machine being currently under standby mode in monitoring the multi-connected machine instructs
The current aperture regulation of the electric expansion valve of machine is to the described second default step value.
Preferably, the corresponding noise reduction instruction of interior machine being currently in monitoring the multi-connected machine under standby mode
When, after the step of the current aperture regulation of the electric expansion valve of the interior machine to the described second default step value, further includes:
When receiving shutdown command, judge the corresponding interior machine of the shutdown command whether be in presently described multi-connected machine only
One interior machine in operating status；
If so, by the current aperture regulation of the electric expansion valve of interior machines all in the multi-connected machine to the 5th default step
Value, the 5th default step value be interior machine electric expansion valve when the multi-connected machine is standby corresponding aperture.
In addition, to achieve the above object, the present invention also proposes a kind of control device of air conditioner, the control of the air conditioner
Device includes: the air conditioner control that memory, processor and being stored in can be run on the memory and on the processor
Program, the air conditioner control program perform the steps of when being executed by the processor
Machine is in the standby state in the air conditioner, monitors preset noise reduction instruction, wherein the electricity of the internal machine of air-conditioner
The current aperture of sub- expansion valve is the first default step value；
When monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the second default step value,
To flow through the refrigerant flow rate of the electric expansion valve less than the first preset flow rate threshold value；
Wherein, the described first default step value is greater than the described second default step value.
In addition, to achieve the above object, the present invention also proposes a kind of computer readable storage medium, described computer-readable
Air conditioner control program is stored on storage medium, the air conditioner control program performs the steps of when being executed by processor
Machine is in the standby state in the air conditioner, monitors preset noise reduction instruction, wherein the electricity of the internal machine of air-conditioner
The current aperture of sub- expansion valve is the first default step value；
When monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the second default step value,
To flow through the refrigerant flow rate of the electric expansion valve less than the first preset flow rate threshold value；
Wherein, the described first default step value is greater than the described second default step value.
Scheme proposed by the present invention, machine is in the standby state in the air conditioner, in order to guarantee to compress in air conditioner external
Recirculating oil quantity in machine is sufficient, and the current aperture for controlling the electric expansion valve of internal machine of air-conditioner is the first default step value, in this way, refrigerant
It is flowed via electric expansion valve from high pressure to low pressure, lubricating oil is back in compressor by the way.If user can not receive this mistake
Generated coolant noise in journey, then user can execute corresponding noise reduction operation, so that preset noise reduction instruction is triggered, when
When monitoring noise reduction instruction, control is (default less than first to the second default step value by the current aperture regulation of electric expansion valve
Step value), namely reduce the aperture of electric expansion valve.Since the aperture of electric expansion valve reduces, the cold of the electric expansion valve is flowed through
Matchmaker's flow velocity can reduce, then correspondingly, flowing generated coolant noise by refrigerant can also reduce, and this improves air conditioners
Usage comfort.
Detailed description of the invention
Fig. 1 is the air conditioner structure schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of the control method first embodiment of the air condition of that present invention；
Fig. 3 be in the control method second embodiment of the air condition of that present invention when monitoring noise reduction instruction, will be described
The current aperture regulation of electric expansion valve to the second default step value refinement flow diagram；
Fig. 4 is the flow diagram of the control method 3rd embodiment of the air condition of that present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The solution of the embodiment of the present invention is mainly: machine is in the standby state in the air conditioner, in order to guarantee air-conditioning
Recirculating oil quantity in the outer machine of device in compressor is sufficient, and the current aperture for controlling the electric expansion valve of internal machine of air-conditioner is the first default step
Value, in this way, refrigerant is flowed via electric expansion valve from high pressure to low pressure, lubricating oil is back in compressor by the way.If user
Generated coolant noise is preset then user can execute corresponding noise reduction operation to trigger during can not receiving this
Noise reduction instruction, when monitoring noise reduction instruction, control is by the current aperture regulation of electric expansion valve to the second default step value
(less than the first default step value), namely reduce the aperture of electric expansion valve.Since the aperture of electric expansion valve reduces, the electricity is flowed through
The refrigerant flow rate of sub- expansion valve can reduce, then correspondingly, flowing generated coolant noise by refrigerant can also reduce.Pass through this
The technical solution of inventive embodiments solves the problems, such as that coolant noise causes the usage comfort of air conditioner bad.
Referring to Fig.1, Fig. 1 is the air conditioner structure schematic diagram for the hardware running environment that the embodiment of the present invention is related to.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
As shown in Figure 1, the air conditioner may include: processor 1001, such as CPU, communication bus 1002, user interface
1003, network interface 1004, memory 1005.Wherein, communication bus 1002 is for realizing the connection communication between these components.
User interface 1003 includes the wireless interface of standard, and optional user interface 1003 can also include the wireline interface of standard.Net
Network interface 1004 optionally may include standard wireline interface and wireless interface (such as WI-FI interface).Memory 1005 can be
High speed RAM memory is also possible to stable memory (non-volatile memory), such as magnetic disk storage.Memory
1005 optionally can also be the storage device independently of aforementioned processor 1001.
It will be understood by those skilled in the art that air conditioner structure shown in Fig. 1 does not constitute the restriction to air conditioner, it can
To include perhaps combining certain components or different component layouts than illustrating more or fewer components.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage medium
Believe that module, Subscriber Interface Module SIM and air conditioner control program.
Processor 1001, memory 1005 in the air condition of that present invention can be set in the control device of air conditioner, institute
State the control device of air conditioner and call the air conditioner stored in memory 1005 to control program by processor 1001, and execute with
Lower operation:
Machine is in the standby state in the air conditioner, monitors preset noise reduction instruction, wherein the electricity of the internal machine of air-conditioner
The current aperture of sub- expansion valve is the first default step value；
When monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the second default step value,
To flow through the refrigerant flow rate of the electric expansion valve less than the first preset flow rate threshold value；
Wherein, the described first default step value is greater than the described second default step value.
Further, processor 1001 can call the air conditioner stored in memory 1005 control program, also execute with
Lower operation:
When monitoring noise reduction instruction, controls the electric expansion valve and close, by working as the electric expansion valve
Preceding aperture is restored to initial step value；
The current aperture of the electric expansion valve is adjusted to the described second default step value from the initial step value.
Further, processor 1001 can call the air conditioner stored in memory 1005 control program, also execute with
Lower operation:
When receiving power-on instruction, the electric expansion valve is closed, by the current aperture of the electric expansion valve
Restore to initial step value；
The current aperture of the electric expansion valve is adjusted to third from the initial step value and presets step value, to flow through
The refrigerant flow rate for stating electric expansion valve is greater than the second preset flow rate threshold value.
Further, processor 1001 can call the air conditioner stored in memory 1005 control program, also execute with
Lower operation:
When opening defrost operating mode, the electric expansion valve is closed, by currently opening for the electric expansion valve
Degree restores to initial step value；
The current aperture of the electric expansion valve is adjusted to the 4th default step value from the initial step value, the described 4th is pre-
If step value is the electric expansion valve in the corresponding aperture of defrost operating mode.
Further, when air conditioner is multi-connected machine, processor 1001 can call the air-conditioning stored in memory 1005
Device controls program, also executes following operation:
It, will be described interior when the corresponding noise reduction of the interior machine being currently under standby mode in monitoring the multi-connected machine instructs
The current aperture regulation of the electric expansion valve of machine is to the described second default step value.
Further, processor 1001 can call the air conditioner stored in memory 1005 control program, also execute with
Lower operation:
When receiving shutdown command, judge the corresponding interior machine of the shutdown command whether be in presently described multi-connected machine only
One interior machine in operating status；
If so, by the current aperture regulation of the electric expansion valve of interior machines all in the multi-connected machine to the 5th default step
Value, the 5th default step value be interior machine electric expansion valve when the multi-connected machine is standby corresponding aperture.
Through the above scheme, machine is in the standby state the present embodiment in the air conditioner, in order to guarantee in air conditioner external
Recirculating oil quantity in compressor is sufficient, and the current aperture for controlling the electric expansion valve of internal machine of air-conditioner is the first default step value, in this way,
Refrigerant is flowed via electric expansion valve from high pressure to low pressure, and lubricating oil is back in compressor by the way.If user can not receive
Coolant noise caused by during this refers to then user can execute corresponding noise reduction operation to trigger preset noise reduction
It enables, when monitoring noise reduction instruction, control is by the current aperture regulation of electric expansion valve to the second default step value (less than first
Default step value), namely reduce the aperture of electric expansion valve.Since the aperture of electric expansion valve reduces, the electric expansion valve is flowed through
Refrigerant flow rate can reduce, then correspondingly, by refrigerant flow caused by coolant noise can also reduce, this improves skies
Adjust the usage comfort of device.
Based on above-mentioned hardware configuration, the control method embodiment of the air condition of that present invention is proposed.
It is the flow diagram of the control method first embodiment of the air condition of that present invention referring to Fig. 2, Fig. 2.
In the first embodiment, the air conditioner control method the following steps are included:
Step S10, machine is in the standby state in the air conditioner, monitors preset noise reduction instruction, wherein the air conditioner
The current aperture of the electric expansion valve of interior machine is the first default step value；
Step S20, when monitoring noise reduction instruction, in advance by the current aperture regulation of the electric expansion valve to second
If step value, to flow through the refrigerant flow rate of the electric expansion valve less than the first preset flow rate threshold value；Wherein, described first is default
Step value is greater than the described second default step value.
The common air conditioner of user generally all includes outer machine and interior machine, wherein in outer machine and includes that compressor, outdoor are changed
Hot device etc. includes blower, electronic expansion valve, indoor heat exchanger etc. in interior machine.In the present embodiment, machine is standby in the air conditioner
Afterwards, in order to avoid due to being accumulated in refrigerant and lubricating oil in the air conditioner machine, so as to cause in compressor in air conditioner external
Recirculating oil quantity it is inadequate, and then influence air conditioner booting after operational efficiency and existing normal standby mode under used side
Formula is the same, air conditioner control corresponding step value when the aperture regulation of the electric expansion valve of interior machine is standby to internal machine of air-conditioner.For
Convenient for description, when hereafter that internal machine of air-conditioner is standby, the corresponding step value of the aperture of electric expansion valve is known as the first default step value.
The size of first default step value can carry out flexible setting according to the practical operation situation of air conditioner, for example, in this embodiment, it is excellent
It is 96 steps that the first default step value, which is arranged, in choosing, and in other embodiments, the first default step value may be set to be other values,
This and with no restrictions.
It is in the standby state in the interior machine of air conditioner, refrigerant is flowed via electric expansion valve from high pressure to low pressure, cold
In matchmaker's flow process, lubricating oil is back in compressor by the way, to ensure that the recirculating oil quantity in compressor is sufficient.
Due to the electric expansion valve of internal machine of air-conditioner aperture difference when, the refrigerant flow rate for flowing through the electric expansion valve also can
Difference, and the refrigerant flow rate for flowing through the electric expansion valve is different, then the size of the coolant noise accordingly generated is also different.Electronics is swollen
The aperture of swollen valve is bigger, and the refrigerant flow rate for flowing through the electric expansion valve is faster, and the coolant noise accordingly generated is bigger.
Also, different users is different to the anti-interference ability of noise, and some users can receive in electric expansion valve
Aperture when being the first default step value, generated coolant noise in refrigerant flow process, and cannot to receive this cold by some users
Matchmaker's noise.Therefore, in the present embodiment, if user can receive refrigerant stream when the aperture of electric expansion valve is the first default step value
Coolant noise caused by during dynamic, the then aperture for controlling the electric expansion valve of internal machine of air-conditioner continue to the first default step
Value.
If user cannot receive the coolant noise, then, user can execute corresponding noise reduction operation in the present embodiment.Tool
Body, in the present embodiment, it is previously provided in the control equipment (such as remote controler, line control machine equipment) of air conditioner corresponding quiet
Sound mode key, when user cannot receive coolant noise, user can click mute in the control equipment such as remote controler, line control machine
Mode key, to trigger corresponding noise reduction instruction.
In the present embodiment, machine is in the standby state in the air conditioner, and air conditioner is in real time or the periodic monitor noise reduction instructs.
If not monitoring, the noise reduction is instructed, and illustrates that user can receive current coolant noise, in such a case it is not necessary to execute
The current aperture of the electric expansion valve of internal machine of air-conditioner is continued to the first default step value by operation bidirectional.
If air conditioner monitors that the noise reduction instructs, illustrate that user cannot receive current coolant noise, at this point, adjusting air-conditioning
The current aperture of the electric expansion valve of machine in device, by the current aperture regulation of the electric expansion valve to the second default step value, this
Two default step values are less than the first default step value.Since the current aperture of electric expansion valve reduces, then, flow through electric expansion valve
Refrigerant flow rate also can accordingly decline, so that coolant noise reduces.The second default step value can be configured according to experiment, example
Such as, it is obtained by testing when the refrigerant flow rate for flowing through the electric expansion valve is less than a certain flow velocity, user does not just hear substantially
Coolant noise can set this flow velocity to the first preset flow rate threshold value.According to experiment gained, when the refrigerant for flowing through electric expansion valve
When flow velocity is 50~100L/H, wherein L/H indicates unit l/h, and user does not just hear coolant noise substantially, therefore, excellent
The value range of the first preset flow rate threshold value is set 50~100L/H by selection of land.If flowing through the refrigerant flow rate of electric expansion valve
The aperture of corresponding electric expansion valve is A step when for the first preset flow rate threshold value, then the second default step value can be set smaller than A
Step value.
After current aperture regulation to the second default step value of electric expansion valve, the refrigerant flow rate of the electric expansion valve is flowed through
Less than the first preset flow rate threshold value, correspondingly, coolant noise is also reduced.Therefore, coolant noise is reduced to do user
It disturbs, to improve the usage experience of user.
Below by taking multi-connected machine as an example, the control method of the air condition of that present invention is described in detail.
Multi-connected machine includes more interior machines and an outer machine, and for outer machine by piping more interior machines of connection, each interior machine is independent
Carry out operation control.It is directed to multi-connected machine, the step S20 includes:
It, will be described interior when the corresponding noise reduction of the interior machine being currently under standby mode in monitoring the multi-connected machine instructs
The current aperture regulation of the electric expansion valve of machine is to the described second default step value.
For all interior machines of multi-connected machine, whenever having after machine is standby in any, control is by the electric expansion valve of the interior machine
Aperture regulation to the first default step value, refrigerant is flowed via the electric expansion valve of the interior machine from high pressure to low pressure, is generated corresponding
Coolant noise.
If user can not endure coolant noise produced by a certain interior machine being currently under standby mode, then, user
Corresponding noise reduction operation can be executed for this interior machine, to trigger the corresponding noise reduction instruction of this interior machine.When the machine in this that monitors
When corresponding noise reduction instructs, control the current aperture regulation of the electric expansion valve of machine in this to the second default step value, it will be in this
The current aperture of the electric expansion valve of machine reduces, to reduce the refrigerant flow rate for flowing through the electric expansion valve of this interior machine, reduces this
Interior machine in the standby state caused by coolant noise.
It follows that if when thering are multiple interior machines to be in the standby state in multi-connected machine, for not monitoring that noise reduction instructs institute
Corresponding interior machine is controlled the aperture regulation of its electric expansion valve to the first default step value；And for monitoring that noise reduction instructs institute
Corresponding interior machine is controlled the aperture regulation of its electric expansion valve to the second default step value.
Scheme provided in this embodiment, machine is in the standby state in the air conditioner, in order to guarantee to press in air conditioner external
Recirculating oil quantity in contracting machine is sufficient, and the current aperture for controlling the electric expansion valve of internal machine of air-conditioner is the first default step value, in this way, cold
Matchmaker is flowed via electric expansion valve from high pressure to low pressure, and lubricating oil is back in compressor by the way.If user can not receive this
Generated coolant noise in the process, then user can execute corresponding noise reduction operation, so that preset noise reduction instruction is triggered,
When monitoring noise reduction instruction, control is (pre- less than first to the second default step value by the current aperture regulation of electric expansion valve
If step value), namely reduce the aperture of electric expansion valve.Since the aperture of electric expansion valve reduces, the electric expansion valve is flowed through
Refrigerant flow rate can reduce, then correspondingly, flowing generated coolant noise by refrigerant can also reduce, and this improves air-conditionings
The usage comfort of device.
Further, as shown in figure 3, proposing that the control method second of the air condition of that present invention is implemented based on first embodiment
Example, in the present embodiment, the step S20 includes:
Step S21 controls the electric expansion valve and closes when monitoring noise reduction instruction, and the electronics is swollen
The current aperture of swollen valve is restored to initial step value；
The current aperture of the electric expansion valve is adjusted to the described second default step from the initial step value by step S22
Value.
Machine is in the standby state in the air conditioner, when air conditioner monitors noise reduction instruction, if directly executing electronics
The current aperture of expansion valve is adjusted to the operation of the second default step value from the first default step value, since electric expansion valve is usually arteries and veins
Punching control, therefore, the aperture of electric expansion valve not necessarily just can accurately be adjusted to the second default step value.The present embodiment
In, in order to accurately control the aperture of electric expansion valve, when air conditioner monitors noise reduction instruction, control electronics first is swollen
Swollen valve is closed, corresponding initial step value when the current aperture of electric expansion valve is restored to electric expansion valve to close.Then,
The current aperture of electric expansion valve is adjusted to the second default step value from initial step value again.Due to being adjusted since initial step value
Section, therefore, can be realized the aperture regulation of electric expansion valve to the second default step value accurately.
Further, as shown in figure 4, being further comprised the steps of: after the step S20
Step a closes the electric expansion valve when receiving power-on instruction, by working as the electric expansion valve
Preceding aperture is restored to initial step value；
The current aperture of the electric expansion valve is adjusted to third from the initial step value and presets step value by step b, so that
The refrigerant flow rate for flowing through the electric expansion valve is greater than the second preset flow rate threshold value.
When user will open air conditioner work, user executes corresponding power-on operation, to trigger power-on instruction.Example
Such as, the remote controler of air conditioner or the starting key on line control machine when the user clicks trigger power-on instruction.When air conditioner receives out
When machine instructs, control close the electric expansion valve of internal machine of air-conditioner first, by the current aperture of electric expansion valve restore to
Electric expansion valve initial step value corresponding when closing.Then, then by the current aperture of electric expansion valve from initial step value adjust
The aperture corresponding step value of electric expansion valve when being operated normally to internal machine of air-conditioner.It for ease of description, hereafter will be in air conditioner
The corresponding step value of aperture of electric expansion valve is known as the default step value of third when machine operates normally.Due to being adjusted since initial step value
Section, therefore, can be realized and the aperture regulation of electric expansion valve to third is accurately preset step value.
Scheme provided in this embodiment first controls when monitoring noise reduction instruction and closes electric expansion valve, by electronics
The current aperture of expansion valve initial step value corresponding when restoring to electric expansion valve to close.Then, then by electric expansion valve
Current aperture is adjusted to the second default step value from initial step value.Due to being adjusted since initial step value, it can be realized essence
Quasi-ly by the aperture regulation of electric expansion valve to the second default step value, namely realize and effectively ensure that coolant noise reduction.
Further, as shown in figure 4, proposing the controlling party of the air condition of that present invention based on the first embodiment or the second embodiment
Method 3rd embodiment, in the present embodiment, after the step S20, further includes:
Step S30 closes the electric expansion valve, when opening defrost operating mode by the electric expansion valve
Current aperture restore to initial step value；
The current aperture of the electric expansion valve is adjusted to the 4th default step value, institute from the initial step value by step S40
Stating the 4th default step value is the electric expansion valve in the corresponding aperture of defrost operating mode.
In the present embodiment, when user needs to carry out air conditioner defrost, execution is corresponding to open air conditioner defrost Working mould
The operation of formula, for example, opening the defrost operating mode of air conditioner by the remote controler or line control machine of controlling air conditioner.Work as air-conditioning
Device open defrost operating mode when, first control electric expansion valve is closed, by the current aperture of electric expansion valve restore to
Initial step value.Then, then the current aperture of electric expansion valve is adjusted to internal machine of air-conditioner from initial step value and operates in defrost work
The aperture of electric expansion valve corresponding step value when operation mode.For ease of description, internal machine of air-conditioner is hereafter operated in into defrost work
The corresponding step value of the aperture of electric expansion valve is known as the 4th default step value when operation mode.Due to being adjusted since initial step value,
Therefore, it can be realized accurately by the aperture regulation of electric expansion valve to the 4th default step value, so that air conditioner can have
Effect ground executes defrosting operation.
Further, when user will close air conditioner, corresponding power-off operation is executed, to trigger shutdown command.In sky
Adjust device when receiving shutdown command, electric expansion valve is closed in control first, by the current aperture of electric expansion valve restore to
Initial step value.Then, then by the current aperture of electric expansion valve from initial step value be adjusted to air conditioner it is standby when electric expansion valve
The corresponding step value of aperture.Optionally, the corresponding step value of the aperture of electric expansion valve may be configured as 200 steps when air conditioner is standby,
Namely the current aperture of electric expansion valve is adjusted to 200 steps from initial step value by control.
Further, when user needs to open the oil return operating mode of air conditioner to air conditioner progress oil return operation.Work as sky
When device being adjusted to open oil return operating mode, electric expansion valve is closed in control first, and the current aperture of electric expansion valve is restored
To initial step value.Then, then the current aperture of electric expansion valve is adjusted to internal machine of air-conditioner from initial step value and operates in oil return
The aperture of electric expansion valve corresponding step value when operating mode.Due to being adjusted since initial step value, it can be realized essence
The aperture of electric expansion valve is adjusted quasi-ly, so that air conditioner can efficiently perform oil return operation.
When air conditioner is multi-connected machine, after the step S20, further includes:
Step c judges whether the corresponding interior machine of the shutdown command is presently described multi-joint when receiving shutdown command
Unique interior machine in operating status in machine；
Step d, if so, in advance by the current aperture regulation of the electric expansion valve of interior machines all in the multi-connected machine to the 5th
If step value, the 5th default step value be interior machine electric expansion valve when the multi-connected machine is standby corresponding aperture.
It is directed to multi-connected machine, when user will close a certain interior machine in multi-connected machine, for the interior corresponding pass of machine execution
Machine operation, to trigger the corresponding shutdown command of the interior machine.When multi-connected machine receives the corresponding shutdown command of the interior machine, first
Judge whether the corresponding interior machine of shutdown command is unique interior machine in operating status in current multi-connected machine.If the interior machine is not
Unique interior machine in operating status in current multi-connected machine, namely operating status is currently at there are also other interior machines.At this point, control
The electric expansion valve of the interior machine is closed, and the current aperture of electric expansion valve is restored to initial step value.Optionally, and then
The current aperture of electric expansion valve is adjusted to the first default step value from initial step value.
If the interior machine is that unique interior machine namely other interior machines in operating status are in shutdown shape in current multi-connected machine
State.At this point, by the current aperture regulation of the electric expansion valve of interior machines all in multi-connected machine to multi-connected machine each interior machine when standby
The corresponding step value of the aperture of electric expansion valve.For ease of description, hereafter by the electronic expansion of multi-connected machine each interior machine when standby
The corresponding step value of the aperture of valve is known as the 5th default step value namely the 5th default step value is the electric expansion valve of interior machine in multi-connected machine
Corresponding aperture when standby.Optionally, 200 steps can be set by the 5th default step value.
Further, performed operation is similar during shutdown with interior machine in operating status unique in multi-connected machine, when
In multi-connected machine when unique interior machine power down in operating status/unlatching defrost operating mode when/unlatching oil return operating mode when, control
System by under the current aperture regulation of the electric expansion valve of each interior machine in multi-connected machine to the corresponding normal mode of operation of each interior machine its
The corresponding aperture of electric expansion valve.
Scheme provided in this embodiment, when opening defrost operating mode, control electric expansion valve first is closed, will be electric
The current aperture of sub- expansion valve is restored then to be adjusted to the current aperture of electric expansion valve from initial step value to initial step value
4th default step value.Due to being adjusted since initial step value, it can be realized the aperture tune accurately by electric expansion valve
Section to the 4th default step value, namely realization air conditioner efficiently performs defrosting operation.
In addition, the embodiment of the present invention also proposes a kind of computer readable storage medium, the computer readable storage medium
On be stored with air conditioner control program, air conditioner control program realizes following operation when being executed by processor:
Machine is in the standby state in the air conditioner, monitors preset noise reduction instruction, wherein the electricity of the internal machine of air-conditioner
The current aperture of sub- expansion valve is the first default step value；
When monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the second default step value,
To flow through the refrigerant flow rate of the electric expansion valve less than the first preset flow rate threshold value；
Wherein, the described first default step value is greater than the described second default step value.
Further, following operation is also realized when the air conditioner control program is executed by processor:
When monitoring noise reduction instruction, controls the electric expansion valve and close, by working as the electric expansion valve
Preceding aperture is restored to initial step value；
The current aperture of the electric expansion valve is adjusted to the described second default step value from the initial step value.
Further, following operation is also realized when the air conditioner control program is executed by processor:
When receiving power-on instruction, the electric expansion valve is closed, by the current aperture of the electric expansion valve
Restore to initial step value；
The current aperture of the electric expansion valve is adjusted to third from the initial step value and presets step value, to flow through
The refrigerant flow rate for stating electric expansion valve is greater than the second preset flow rate threshold value.
Further, following operation is also realized when the air conditioner control program is executed by processor:
When opening defrost operating mode, the electric expansion valve is closed, by currently opening for the electric expansion valve
Degree restores to initial step value；
The current aperture of the electric expansion valve is adjusted to the 4th default step value from the initial step value, the described 4th is pre-
If step value is the electric expansion valve in the corresponding aperture of defrost operating mode.
Further, when air conditioner is multi-connected machine, the air conditioner control program is also realized such as when being executed by processor
Lower operation:
It, will be described interior when the corresponding noise reduction of the interior machine being currently under standby mode in monitoring the multi-connected machine instructs
The current aperture regulation of the electric expansion valve of machine is to the described second default step value.
Further, following operation is also realized when the air conditioner control program is executed by processor:
When receiving shutdown command, judge the corresponding interior machine of the shutdown command whether be in presently described multi-connected machine only
One interior machine in operating status；
If so, by the current aperture regulation of the electric expansion valve of interior machines all in the multi-connected machine to the 5th default step
Value, the 5th default step value be interior machine electric expansion valve when the multi-connected machine is standby corresponding aperture.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that terminal device (it can be mobile phone,
Computer, server or network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of control method of air conditioner, which is characterized in that the control method of the air conditioner the following steps are included:
Machine is in the standby state in the air conditioner, monitors preset noise reduction instruction, wherein the electronics of the internal machine of air-conditioner is swollen
The current aperture of swollen valve is the first default step value；
When monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the second default step value, so that
The refrigerant flow rate of the electric expansion valve is flowed through less than the first preset flow rate threshold value；
Wherein, the described first default step value is greater than the described second default step value；
When receiving power-on instruction, the electric expansion valve is closed, the current aperture of the electric expansion valve is restored
To initial step value；
The current aperture of the electric expansion valve is adjusted to third from the initial step value and presets step value, to flow through the electricity
The refrigerant flow rate of sub- expansion valve is greater than the second preset flow rate threshold value.
2. the control method of air conditioner as described in claim 1, which is characterized in that described to monitor the noise reduction instruction
When, include: by the current aperture regulation of the electric expansion valve to the step of the second default step value
It when monitoring noise reduction instruction, controls the electric expansion valve and closes, by currently opening for the electric expansion valve
Degree restores to initial step value；
The current aperture of the electric expansion valve is adjusted to the described second default step value from the initial step value.
3. the control method of air conditioner as described in claim 1, which is characterized in that the first default step value is set as 96
Step.
4. the control method of air conditioner as described in claim 1, which is characterized in that the value of the first preset flow rate threshold value
Range is set as 50~100L/H, wherein L/H indicates unit l/h.
5. the control method of air conditioner as described in claim 1, which is characterized in that described to monitor the noise reduction instruction
When, after the step of the current aperture regulation of the electric expansion valve to the second default step value, further includes:
When opening defrost operating mode, the electric expansion valve is closed, the current aperture of the electric expansion valve is extensive
Again to initial step value；
The current aperture of the electric expansion valve is adjusted to the 4th default step value, the described 4th default step from the initial step value
Value is the electric expansion valve in the corresponding aperture of defrost operating mode.
6. the control method of air conditioner as described in any one in claim 1-5, which is characterized in that when the air conditioner is multi-joint
It is described when monitoring the noise reduction instruction when machine, by the current aperture regulation of the electric expansion valve to the second default step value
The step of include:
When the corresponding noise reduction of the interior machine being currently under standby mode in monitoring the multi-connected machine instructs, by the interior machine
The current aperture regulation of electric expansion valve is to the described second default step value.
7. the control method of air conditioner as claimed in claim 6, which is characterized in that it is described in monitoring the multi-connected machine when
Before the corresponding noise reduction instruction of the interior machine that is in the standby state when, extremely by the current aperture regulation of the electric expansion valve of the interior machine
After the step of second default step value, further includes:
When receiving shutdown command, judge whether the corresponding interior machine of the shutdown command is uniquely to locate in presently described multi-connected machine
In the interior machine of operating status；
If so, by the current aperture regulation of the electric expansion valve of interior machines all in the multi-connected machine to the 5th default step value, institute
State the 5th default step value be interior machine electric expansion valve when the multi-connected machine is standby corresponding aperture.
8. a kind of control device of air conditioner, which is characterized in that the control device of the air conditioner includes: memory, processor
And it is stored in the air conditioner control program that can be run on the memory and on the processor, the air conditioner controls program
It is performed the steps of when being executed by the processor
Machine is in the standby state in the air conditioner, monitors preset noise reduction instruction, wherein the electronics of the internal machine of air-conditioner is swollen
The current aperture of swollen valve is the first default step value；
When monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the second default step value, so that
The refrigerant flow rate of the electric expansion valve is flowed through less than the first preset flow rate threshold value；
Wherein, the described first default step value is greater than the described second default step value；
When receiving power-on instruction, the electric expansion valve is closed, the current aperture of the electric expansion valve is restored
To initial step value；
The current aperture of the electric expansion valve is adjusted to third from the initial step value and presets step value, to flow through the electricity
The refrigerant flow rate of sub- expansion valve is greater than the second preset flow rate threshold value.
9. a kind of computer readable storage medium, which is characterized in that be stored with air conditioner on the computer readable storage medium
Program is controlled, the air conditioner control program performs the steps of when being executed by processor
Machine is in the standby state in the air conditioner, monitors preset noise reduction instruction, wherein the electronics of the internal machine of air-conditioner is swollen
The current aperture of swollen valve is the first default step value；
When monitoring noise reduction instruction, by the current aperture regulation of the electric expansion valve to the second default step value, so that
The refrigerant flow rate of the electric expansion valve is flowed through less than the first preset flow rate threshold value；
Wherein, the described first default step value is greater than the described second default step value；
When receiving power-on instruction, the electric expansion valve is closed, the current aperture of the electric expansion valve is restored
To initial step value；
The current aperture of the electric expansion valve is adjusted to third from the initial step value and presets step value, to flow through the electricity
The refrigerant flow rate of sub- expansion valve is greater than the second preset flow rate threshold value.
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| CN108224739B (en) * | 2017-12-01 | 2020-08-18 | 青岛海尔空调电子有限公司 | Noise control method of multi-connected air conditioning system |
| CN108195047B (en) * | 2017-12-01 | 2020-08-18 | 青岛海尔空调电子有限公司 | Noise control method and controller of multi-connected air conditioning system |
| CN110360777B (en) * | 2018-04-09 | 2020-11-27 | 珠海格力电器股份有限公司 | Control method of refrigerant circulating system |
| CN108613336A (en) * | 2018-05-15 | 2018-10-02 | 青岛海尔空调电子有限公司 | It is a kind of for controlling the method and apparatus of air conditioner, air conditioner, computer readable storage medium |
| CN109028492B (en) * | 2018-08-14 | 2019-10-11 | 宁波奥克斯电气股份有限公司 | Expansion valve control method, device and air conditioner |
| CN108759064B (en) * | 2018-08-20 | 2019-07-26 | 宁波奥克斯电气股份有限公司 | A kind of method for noise reduction control, device and multi-online air-conditioning system |
| CN109631248B (en) * | 2018-11-16 | 2021-05-25 | 青岛海尔空调电子有限公司 | Multi-split air conditioner refrigeration oil return noise reduction control method and system |
| CN109612021B (en) * | 2018-11-28 | 2021-04-20 | 宁波奥克斯电气股份有限公司 | Multi-connected air conditioning system abnormal sound control method and multi-connected air conditioning system |
| CN113339951A (en) * | 2021-05-31 | 2021-09-03 | 青岛海信日立空调系统有限公司 | Multi-online operation and maintenance system |
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| JP3233447B2 (en) * | 1992-06-02 | 2001-11-26 | 東芝キヤリア株式会社 | Air conditioner |
| JPH09303885A (en) * | 1996-05-08 | 1997-11-28 | Mitsubishi Heavy Ind Ltd | Refrigerating and air conditioning device |
| JP5343618B2 (en) * | 2009-02-25 | 2013-11-13 | 株式会社デンソー | Refrigeration cycle equipment |
| CN105588261B (en) * | 2015-01-08 | 2018-03-30 | 青岛海信日立空调系统有限公司 | A kind of control method and device of electronic expansion valve of indoor unit |
| CN104697120A (en) * | 2015-03-24 | 2015-06-10 | 广东美的暖通设备有限公司 | VRV (Varied Refrigerant Volume) system and noise reduction control method thereof |
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