CN109780689A - Control method, air conditioner and the computer readable storage medium of air conditioner - Google Patents
Control method, air conditioner and the computer readable storage medium of air conditioner Download PDFInfo
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- CN109780689A CN109780689A CN201910100355.0A CN201910100355A CN109780689A CN 109780689 A CN109780689 A CN 109780689A CN 201910100355 A CN201910100355 A CN 201910100355A CN 109780689 A CN109780689 A CN 109780689A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a kind of control methods of air conditioner, comprising the following steps: when air conditioner is in calm sense mode, timing detects the running frequency of compressor；Judge whether the compressor needs oil return according to the running frequency；When the compressor needs oil return, increase the air output for being currently at the air outlet of calm sense mode.The invention also discloses a kind of air conditioner and computer readable storage mediums.The invention avoids air conditioners to be in calm sense mode, and when compressor oil return, and compressor frequency increases caused anti-freeze protection suddenly, the problem of so as to cause high frequent start and stop.
Description
Technical field
The present invention relates to air conditioner technical field more particularly to a kind of control methods of air conditioner, air conditioner and calculating
Machine readable storage medium storing program for executing.
Background technique
When air conditioner is in calm sense mode, compressor frequency is generally lower, if compressor long-time low-frequency operation,
The intracorporal lubricating oil of cylinder can be taken in two devices by refrigerant, and due to lacking enough power, lubricating oil cannot return in cylinder body in time,
This can cause compressor efficiency to decline, abrasion aggravation.In order to avoid this problem, one section generally is run in compressor low frequency and continuous
After time, oil return process can be set, a period of time is run with high frequency with making compressor cycle, lubricating oil is recycled to compression
In machine.
Since during oil return, compressor frequency increases suddenly, if air conditioner still in calm sense state, cooling capacity without
Method exports in time, leads to evaporator tube temperature rapid drawdown, causes anti-freeze to be protected, and then compressor shutdown.It protects and releases when anti-freeze
Afterwards, compressor is started with higher-frequency, and will lead to anti-freeze protection, and compressor is shut down again.It loops back and forth like this, so that compression
The continuous start and stop of machine, the reliability of extreme influence compressor and service life.
Summary of the invention
The main purpose of the present invention is to provide a kind of control method of air conditioner, air conditioner and computer-readable storages
Medium, it is intended to avoid air conditioner from being in calm sense mode, and when compressor oil return, compressor frequency increase suddenly caused it is anti-
Freeze protection, the problem of so as to cause high frequent start and stop.
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:
When air conditioner is in calm sense mode, timing detects the running frequency of compressor；
Judge whether the compressor needs oil return according to the running frequency；
When the compressor needs oil return, increase the air output for being currently at the air outlet of calm sense mode.
Optionally, described to judge that the step of whether compressor needs oil return includes: according to the running frequency
Judge whether the running frequency is less than predeterminated frequency；
If the running frequency be less than the predeterminated frequency, record the running frequency less than the predeterminated frequency when
It is long；
Judge whether the duration is greater than the first preset duration, wherein be greater than first preset duration in the duration
When, then determine that the compressor needs oil return.
Optionally, after the step of air output for increasing the air outlet for being currently at calm sense mode, further includes:
Judge whether the duration is greater than the first scheduled duration；
When the duration is greater than first scheduled duration, increase the running frequency of the compressor, wherein described the
One preset duration is less than or equal to first scheduled duration.
Optionally, after the step of running frequency for increasing the compressor, further includes:
After the compressor runs the second scheduled duration according to the running frequency after increasing, restore the fortune of the compressor
Line frequency；
After restoring the second preset duration of running frequency of the compressor, restore the air output of the air outlet.
Optionally, the step of air output for increasing the air outlet for being currently at calm sense mode includes following at least one
It is a:
Increase the angle of the wind deflector of the air outlet；
Increase the revolving speed of indoor fan.
Optionally, the step of air output for increasing the air outlet for being currently at calm sense mode includes:
Obtain the associated air outlet in region and the region where user；
According to the associated air outlet in the region, other air outlets in calm sense mode are obtained；
Increase the air output of other air outlets in calm sense mode.
Optionally, when the air outlet is in calm sense mode, the angle of the wind deflector of the air outlet is predetermined angle
Degree, the revolving speed of indoor fan are that the running frequency of desired speed and the compressor is preset frequency.
To achieve the above object, the present invention also provides a kind of air conditioner, the air conditioner includes:
Memory, processor and the control for being stored in the air conditioner that can be run on the memory and on the processor
The step of program, the control program of the air conditioner realizes the control method of above-mentioned air conditioner when being executed by the processor.
To achieve the above object, the present invention also provides a kind of computer readable storage medium, the computer-readable storages
The control program of air conditioner is stored on medium, the control program of the air conditioner realizes above-mentioned air conditioner when being executed by processor
Control method the step of.
Control method, air conditioner and the computer readable storage medium of air conditioner provided by the invention, air conditioner into
Enter calm sense mode, and when compressor oil return, increases the air output for being currently at the air outlet of calm sense mode.In this way, avoiding
Compressor frequency increases caused anti-freeze protection suddenly, the problem of so as to cause high frequent start and stop.
Detailed description of the invention
Fig. 1 is the hardware running environment schematic diagram for the terminal 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 is the flow diagram of the control method second embodiment of the air condition of that present invention；
Fig. 4 is the flow diagram of the control method 3rd embodiment of the air condition of that present invention；
Fig. 5 is the flow diagram of the control method fourth embodiment of the air condition of that present invention；
Fig. 6 is the flow diagram of the 5th embodiment of control method 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 present invention provides a kind of control method of air conditioner, avoids air conditioner and is in calm sense mode, and compressor returns
When oily, compressor frequency increases caused anti-freeze protection suddenly, the problem of so as to cause high frequent start and stop.
As shown in Figure 1, Fig. 1 is the hardware running environment schematic diagram for the terminal that the embodiment of the present invention is related to.
The terminal of that embodiment of the invention can be air conditioner, be also possible to the equipment such as air regulator.
As shown in Figure 1, the terminal may include: processor 1001, such as CPU, network interface 1004, user interface
1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is for realizing the connection communication between these components.
User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard), remote controler, can be selected
Family interface 1003 can also include standard wireline interface and wireless interface.Network interface 1004 optionally may include standard
Wireline interface, wireless interface (such as memory (non-volatile memory), such as magnetic disk storage.Memory 1005 is optional
The storage device that can also be independently of aforementioned processor 1001.
It, can be with it will be understood by those skilled in the art that the restriction of the structure of terminal shown in Fig. 1 not structure paired terminal
Including 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 module, the control program of Subscriber Interface Module SIM and air conditioner.
In terminal shown in Fig. 1, network interface 1004 is mainly used for connecting background server, carries out with background server
Data communication；User interface 1003 is mainly used for connecting client (user terminal), carries out data communication with client；And processor
1001 can be used for calling the control program of the air conditioner stored in memory 1005, and execute following operation:
When air conditioner is in calm sense mode, timing detects the running frequency of compressor；
Judge whether the compressor needs oil return according to the running frequency；
When the compressor needs oil return, increase the air output for being currently at the air outlet of calm sense mode.
Further, processor 1001 can call the control program of the air conditioner stored in memory 1005, also execute
It operates below:
Judge whether the running frequency is less than predeterminated frequency；
If the running frequency be less than the predeterminated frequency, record the running frequency less than the predeterminated frequency when
It is long；
Judge whether the duration is greater than the first preset duration, wherein be greater than first preset duration in the duration
When, then determine that the compressor needs oil return.
Further, processor 1001 can call the control program of the air conditioner stored in memory 1005, also execute
It operates below:
Judge whether the duration is greater than the first scheduled duration；
When the duration is greater than first scheduled duration, increase the running frequency of the compressor, wherein described the
One preset duration is less than or equal to first scheduled duration.
Further, processor 1001 can call the control program of the air conditioner stored in memory 1005, also execute
It operates below:
After the compressor runs the second scheduled duration according to the running frequency after increasing, restore the fortune of the compressor
Line frequency；
After restoring the second preset duration of running frequency of the compressor, restore the air output of the air outlet.
Further, processor 1001 can call the control program of the air conditioner stored in memory 1005, also execute
It operates below:
Increase the angle of the wind deflector of the air outlet；
Increase the revolving speed of indoor fan.
Further, processor 1001 can call the control program of the air conditioner stored in memory 1005, also execute
It operates below:
Obtain the associated air outlet in region and the region where user；
According to the associated air outlet in the region, other air outlets in calm sense mode are obtained；
Increase the air output of other air outlets in calm sense mode.
Further, processor 1001 can call the control program of the air conditioner stored in memory 1005, also execute
It operates below:
When the air outlet is in calm sense mode, the angle of the wind deflector of the air outlet is predetermined angular, indoor
The revolving speed of blower is that the running frequency of desired speed and the compressor is preset frequency.
Referring to Fig. 2, in the first embodiment, the control method of the air conditioner includes:
Step S10, when air conditioner is in calm sense mode, timing detects the running frequency of compressor；
In the present embodiment, air conditioner has multiple air outlets, can be single air outlet and is in calm sense mode, can also be with
It is multiple air outlets while is in calm sense mode.Calm sense instruction is being received, calm sense instructs corresponding air outlet to enter
Calm sense mode, or the corresponding region of air outlet is being detected there are when user, control air outlet enters calm sense mode.Than
Such as, the image where obtaining user by camera in environment identifies the user in image, and determines the area of user in the picture
Domain, wherein image is divided into multiple regions, each related air outlet in region in advance.It is of course also possible to be sensed by radar
The equipment such as device, infrared sensor, bluetooth sensor detect the region where user.
When air outlet is in calm sense mode, the aperture of the wind deflector of air outlet is predetermined aperture, and predetermined aperture can be with
It is minimum aperture or closed state.The corresponding rotation speed of fan of air outlet is accordingly adjusted to desired speed and compressor frequency
Accordingly it is adjusted to preset frequency, wherein desired speed and preset frequency are related in the quantity of air outlet of calm sense.
For example, the revolving speed of indoor fan can be reduced to maximum rotation speed of fan when whole air outlets of air conditioner are in calm sense mode
75%, compressor frequency can be reduced to 30HZ, and when the part air outlet of air conditioner is in calm sense mode, indoor fan
Revolving speed can be reduced to the 80% of maximum blower speed, compressor frequency can be reduced to 35HZ.
When air conditioner is in calm sense mode, timing detects the running frequency of compressor, it is preferred that every 10s detection one
The running frequency of second compression machine.
Step S20, judge whether the compressor needs oil return according to the running frequency；
In the present embodiment, when air conditioner is in calm sense mode, compressor frequency is lower, if compressor long-time low frequency
Operation, the intracorporal lubricating oil of cylinder can be taken in two devices by refrigerant, and due to lacking enough power, lubricating oil cannot return in time
In cylinder body.In order to avoid this problem, oil return process can be set after compressor low frequency and continuous runs a period of time.Oil return
Process refers to that compressor runs a period of time according to high frequency, so that lubricating oil returns in cylinder body.
It can judge whether compressor needs oil return according to the running frequency of compressor.Specifically, in the operation frequency of compressor
When rate is lower than predeterminated frequency, the running frequency of recording compressed machine is lower than the duration of predeterminated frequency, if duration is default greater than first
It is long, then determine that compressor needs oil return.It should be noted that preset frequency is less than predeterminated frequency.
Step S30, when the compressor needs oil return, increase the outlet air for being currently at the air outlet of calm sense mode
Amount.
In the present embodiment, since during oil return, compressor frequency increases suddenly, if air conditioner is still in calm sense shape
State, then cooling capacity can not export in time, lead to evaporator tube temperature rapid drawdown, cause anti-freeze to be protected, and then compressor shutdown.When antifreeze
After knot protection releases, compressor is started with higher-frequency, and will lead to anti-freeze protection, and compressor is shut down again, so recycled past
It is multiple, so that the continuous start and stop of compressor.
Specifically, increase the air output for being currently at the air outlet of calm sense mode when determining that compressor needs oil return,
Cooling capacity to be discharged in time.It can be currently at the angle of the wind deflector of air outlet of calm sense mode by increasing, and/or increase room
The revolving speed of inner blower increases air output.It should be noted that the increase degree of air output can be configured according to practical application,
The present invention is not specifically limited.
When determining that compressor needs oil return, compressor can immediately enter oil return state, can also be over time
Into oil return state, 10s can be for a period of time.
In the first embodiment, enter calm sense mode in air conditioner, and when compressor oil return, increase is currently at calm
The air output of the air outlet of sense mode.In this way, avoid compressor frequency increases caused anti-freeze protection suddenly, to lead
The problem of causing high frequent start and stop.
In a second embodiment, described according to the operation as shown in figure 3, on the basis of above-mentioned embodiment shown in Fig. 2
Frequency judges that the step of whether compressor needs oil return includes:
Step S21, judge whether the running frequency is less than predeterminated frequency；
If step S22, the described running frequency is less than the predeterminated frequency, records the running frequency and be less than described preset
The duration of frequency；
Step S23, judge whether the duration is greater than the first preset duration；
Step S24, when the duration is greater than first preset duration, then determine that the compressor needs oil return.
In the present embodiment, it can judge whether compressor needs oil return according to the running frequency of compressor.Specifically, it is compressing
When machine running frequency is less than predeterminated frequency, illustrate that air conditioner is likely to be at calm sense state at this time；In the running frequency of compressor
When duration less than predeterminated frequency is greater than the first preset duration, then illustrate that compressor needs oil return, the first preset duration can be
19-20min。
When air conditioner is in calm sense mode, the running frequency of compressor is preset frequency.It should be noted that predetermined
Frequency is less than predeterminated frequency.For example preset frequency is 35Hz, then predeterminated frequency can be set to 40Hz.
In a second embodiment, it is less than predeterminated frequency in the running frequency of compressor, and running frequency is less than predeterminated frequency
Duration be greater than the first preset duration when, then determine compressor need enter oil return state.In this way, the operation frequency for passing through compressor
Rate judges oil return opportunity, to take counter-measure in time.
In the third embodiment, described to increase currently as shown in figure 4, in above-mentioned Fig. 2 to embodiment basis shown in Fig. 3
After the step of air output of air outlet in calm sense mode, further includes:
Step S40, judge whether the duration is greater than the first scheduled duration；
Step S50, when the duration is greater than first scheduled duration, increase the running frequency of the compressor,
In, first preset duration is less than or equal to first scheduled duration.
In the present embodiment, oil return process refers to that compressor runs a period of time according to high frequency, so that lubricating oil returns to cylinder body
In.When determining that compressor needs oil return, compressor can immediately enter oil return state, can also enter back over time
Oil condition.When compressor immediately enters oil return state, the first preset duration is equal to the first scheduled duration；Compressor is at one section
Between after when entering oil return state, the first preset duration less than the first scheduled duration, the first scheduled duration and the first preset duration it
Between difference can be 10s.
For example, the first preset duration and the first scheduled duration are 20min, then increase when a length of 20min when described and work as
The air output of the preceding air outlet in calm sense mode, and increase the running frequency of compressor；First preset duration is
19min50s, the first scheduled duration are 20min, then increase when a length of 19min50s when described and be currently at calm sense mode
The air output of air outlet, and increase when described the running frequency of the compressor when a length of 20min.
It should be noted that the increase degree of the running frequency of compressor can be set according to practical application during oil return
It sets, the present invention is not specifically limited.
In the third embodiment, it is less than predeterminated frequency in the running frequency of compressor, and running frequency is less than predeterminated frequency
Duration be greater than the first scheduled duration when, then increase the running frequency of compressor.In this way, in the premise for guaranteeing that cooling capacity is discharged in time
Lower control compressor oil return avoids compressor loss.
In the fourth embodiment, as shown in figure 5, on the basis of above-mentioned Fig. 2 is to embodiment shown in Fig. 4, the increase institute
After the step of stating the running frequency of compressor, further includes:
Step S60, after the compressor runs the second scheduled duration according to the running frequency after increasing, restore the pressure
The running frequency of contracting machine；
Step S70, after restoring the second preset duration of running frequency of the compressor, restore going out for the air outlet
Air quantity.
In the present embodiment, the second scheduled duration is compressor oil return duration, it is preferred that the second scheduled duration is 5min.
Postpone since refrigeration system exists, the second preset duration is set, to keep the abundant discharge of cooling capacity.Second is pre-
If duration can be 0-20s.
In the fourth embodiment, after compressor runs the second scheduled duration according to the running frequency after increasing, restore pressure
The running frequency of contracting machine, and after restoring the second preset duration of running frequency of compressor, restore the air output of air outlet.This
Sample controls compressor oil return under the premise of guaranteeing that cooling capacity is discharged in time.
In the 5th embodiment, as shown in fig. 6, on the basis of above-mentioned embodiment shown in Fig. 2 to Fig. 5, the increase is worked as
The step of air output of the preceding air outlet in calm sense mode includes:
Step S31, the associated air outlet in region and the region where user is obtained；
Step S32, according to the associated air outlet in the region, other air outlets in calm sense mode are obtained；
Step S33, the air output of other air outlets in calm sense mode is increased.
In the present embodiment, air conditioner has multiple air outlets, can be single air outlet and is in calm sense mode, can also be with
It is multiple air outlets while is in calm sense mode.When multiple air outlets are in calm sense mode simultaneously, family place can be used
The corresponding air outlet in region keeps calm sense mode, and increases the air output of other air outlets in calm sense mode.
Specifically, the image where obtaining user by camera in environment identifies the user in image, and determines user
Region in the picture, wherein image is divided into multiple regions, each related air outlet in region in advance.It is of course also possible to
The region where user is detected by equipment such as radar sensor, infrared sensor, bluetooth sensors.
It, can be true according to the priority for the air outlet being arranged in advance if the corresponding region of all air outlets has user
Surely it needs to increase the air outlet of air output, the air output of whole air outlets can also be increased.
In the 5th embodiment, the corresponding air outlet in region where user is obtained, and increases the outlet air of other air outlets
Amount, in this way, guaranteeing the usage experience of user.
In addition, the present invention also proposes a kind of air conditioner, the air conditioner includes memory, processor and is stored in memory
The control program of air conditioner that is upper and can running on a processor, the reality when processor executes the control program of the air conditioner
The step of control method of air conditioner now as described above in Example.
In addition, the present invention also proposes a kind of computer readable storage medium, which is characterized in that the computer-readable storage
Medium includes the control program of air conditioner, is realized when the control program of the air conditioner is executed by processor such as above embodiments institute
The step of control method for the air conditioner stated.
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 a terminal device (can be TV
Machine, mobile phone, computer, server, air conditioner 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:
When air conditioner is in calm sense mode, timing detects the running frequency of compressor；
Judge whether the compressor needs oil return according to the running frequency；
When the compressor needs oil return, increase the air output for being currently at the air outlet of calm sense mode.
2. the control method of air conditioner as described in claim 1, which is characterized in that described to judge institute according to the running frequency
State that the step of whether compressor needs oil return includes:
Judge whether the running frequency is less than predeterminated frequency；
If the running frequency is less than the predeterminated frequency, the duration that the running frequency is less than the predeterminated frequency is recorded；
Judge whether the duration is greater than the first preset duration, wherein when the duration is greater than first preset duration, then
Determine that the compressor needs oil return.
3. the control method of air conditioner as claimed in claim 2, which is characterized in that the increase is currently at calm sense mode
Air outlet air output the step of after, further includes:
Judge whether the duration is greater than the first scheduled duration；
When the duration is greater than first scheduled duration, increase the running frequency of the compressor, wherein described first is pre-
If duration is less than or equal to first scheduled duration.
4. the control method of air conditioner as claimed in claim 3, which is characterized in that the operation frequency for increasing the compressor
After the step of rate, further includes:
After the compressor runs the second scheduled duration according to the running frequency after increasing, restore the operation frequency of the compressor
Rate；
After restoring the second preset duration of running frequency of the compressor, restore the air output of the air outlet.
5. the control method of air conditioner as described in claim 1, which is characterized in that the increase is currently at calm sense mode
Air outlet air output the step of include it is following at least one:
Increase the angle of the wind deflector of the air outlet；
Increase the revolving speed of indoor fan.
6. the control method of air conditioner as described in claim 1, which is characterized in that the increase is currently at calm sense mode
Air outlet air output the step of include:
Obtain the associated air outlet in region and the region where user；
According to the associated air outlet in the region, other air outlets in calm sense mode are obtained；
Increase the air output of other air outlets in calm sense mode.
7. the control method of air conditioner as described in claim 1, which is characterized in that be in calm sense mode in the air outlet
When, the angle of the wind deflector of the air outlet is predetermined angular, and the revolving speed of indoor fan is desired speed and the compressor
Running frequency be preset frequency.
8. a kind of air conditioner, which is characterized in that the air conditioner includes memory, processor and is stored on the memory simultaneously
The control program for the air conditioner that can be run on the processor, when the control program of the air conditioner is executed by the processor
The step of realizing the control method of the air conditioner as described in any one of claims 1 to 7.
9. a kind of computer readable storage medium, which is characterized in that be stored with air conditioner on the computer readable storage medium
Control program, when the control program of the air conditioner is executed by processor realize as described in any one of claims 1 to 7
The step of control method of air conditioner.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110608520A (en) * | 2019-09-26 | 2019-12-24 | 广东美的制冷设备有限公司 | Air conditioner, control method thereof and readable storage medium |
| CN112413837A (en) * | 2019-08-22 | 2021-02-26 | 郑州海尔空调器有限公司 | Variable frequency air conditioner control method and device, air conditioner and storage medium |
| CN113028576A (en) * | 2021-04-22 | 2021-06-25 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN113280489A (en) * | 2021-05-31 | 2021-08-20 | 广东美的制冷设备有限公司 | Multi-split air conditioner control method, multi-split air conditioner and computer storage medium |
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