CN111043735A - Rotating speed control method of indoor fan of air conditioner and air conditioner - Google Patents

Rotating speed control method of indoor fan of air conditioner and air conditioner Download PDF

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Publication number
CN111043735A
CN111043735A CN201911318747.0A CN201911318747A CN111043735A CN 111043735 A CN111043735 A CN 111043735A CN 201911318747 A CN201911318747 A CN 201911318747A CN 111043735 A CN111043735 A CN 111043735A
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CN
China
Prior art keywords
air conditioner
indoor fan
ifd
rotating speed
installation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911318747.0A
Other languages
Chinese (zh)
Inventor
杜路明
刘涛
潘文驰
刘庆赟
常利华
张均岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Smart Home Co Ltd
Haier Zhijia Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Zhijia Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Haier Zhijia Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN201911318747.0A priority Critical patent/CN111043735A/en
Publication of CN111043735A publication Critical patent/CN111043735A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0071Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention provides a rotating speed control method of an air conditioner indoor fan and an air conditioner, wherein the air conditioner indoor fan comprises at least one purifying device, the purifying device is provided with an assembly structure for installing a plurality of IFD purifying modules, and the method comprises the following steps: a current detection step: starting an air conditioner indoor fan at an initial rotating speed, and detecting the running current of the air conditioner indoor fan at the initial rotating speed; IFD purifies module installation quantity and judges step: judging the installation number of the IFD purification modules based on the operation current; and a rotating speed control step: and controlling the rotating speed of the fans in the air-conditioning room according to a preset rotating speed control scheme corresponding to the installation number. The scheme of the invention can select a rotating speed control scheme according to the installation number of the IFD purification modules, realize the intelligent control of the rotating speed of the indoor fan of the air conditioner, and prohibit power supply to the IDF purification module when any IFD purification module is not successfully assembled, realize the electric shock protection function, ensure the safety and be suitable for products such as intelligent household appliances, intelligent air conditioners and the like.

Description

Rotating speed control method of indoor fan of air conditioner and air conditioner
Technical Field
The invention relates to the technical field of intelligent air conditioners, in particular to a rotating speed control method of an indoor fan of an air conditioner and the air conditioner.
Background
Along with the improvement of people's standard of living, to living quality constantly improving, have had higher requirement to living environment's travelling comfort, not only require cold and hot effect to the air conditioner, require the air healthy moreover, to user's demand, each big manufacturer has released and has taken IFD purification performance air conditioner. Because the windage grow after IFD purification module installation, in order to guarantee the amount of wind requirement, the designer has improved air-conditioner indoor fan rotational speed, but when the user took IFD purification module off not, air-conditioner indoor fan's amount of wind can be bigger than normal, and the noise value risees for user experience variation.
Disclosure of Invention
The invention aims to provide a method for controlling the rotating speed of an indoor fan of an air conditioner.
A further object of the present invention is to automatically detect the number of IFD purification modules installed and to achieve intelligent control of the speed of the air conditioner indoor fan.
Another further purpose of the present invention is to set up corresponding power-on schemes for different installation numbers, so as to add an electric shock protection function to the purification device of the air conditioner.
In particular, the present invention provides a method for controlling a rotational speed of an indoor fan of an air conditioner, wherein the indoor fan of the air conditioner includes at least one purification apparatus provided with an assembly structure for installing a plurality of IFD purification modules, the method comprising:
a current detection step: starting an air conditioner indoor fan at an initial rotating speed, and detecting the running current of the air conditioner indoor fan at the initial rotating speed;
IFD purifies module installation quantity and judges step: judging the installation number of the IFD purification modules based on the operation current;
and a rotating speed control step: and controlling the rotating speed of the indoor fan of the air-conditioning room according to a preset rotating speed control scheme corresponding to the installation number.
Optionally, the step of determining the installation number of the IFD purification modules includes:
acquiring a preset first mapping relation list, wherein the first mapping relation list comprises a corresponding relation between the operating current and the installation number of the IFD purification modules;
and searching the corresponding installation number of the IFD purification modules in the first mapping relation list based on the operating current so as to obtain the installation number.
Optionally, the rotational speed controlling step comprises:
acquiring a preset second mapping relation list, wherein the second mapping relation list comprises a corresponding relation between the installation quantity and the rotating speed control scheme;
searching a corresponding rotating speed control scheme in a second mapping relation list based on the installation number of the IFD purification modules;
and controlling the rotating speed of the indoor fan of the air conditioner according to the searched rotating speed control scheme.
Optionally, the rotation speed control scheme is configured such that the rotation speed of the indoor fan of the air conditioner in each of the wind speed modes increases as the number of installations increases.
Optionally, the current detecting step comprises:
after a control signal which is started at an initial rotating speed is sent to an indoor fan of the air conditioner, the running current of the indoor unit of the air conditioner at the initial rotating speed is detected after a set time.
Optionally, the method further comprises:
a purification starting step: detecting an opening event of a purification function of the air conditioner;
a power supply judgment step: and acquiring a starting event, and judging whether power supply to the purification modules is allowed or not based on the installation number of the IFD purification modules.
Optionally, the power supply judging step includes:
if the purification function is opened and any IFD purification module is not successfully assembled on the assembly structure, power supply to the IFD purification module is forbidden;
if the purification function is opened and the assembly structure is completely and successfully assembled with the IFD purification module, the IFD purification module is powered.
Optionally, the power supply determining step further includes:
if the purification function is opened, and there is any IFD on the mounting structure and purify the module and when not assembling successfully, then send cue signal to remind user IFD to purify the incomplete installation of module.
The present invention also provides an air conditioner, comprising:
and the electric control board comprises a memory and a processor, wherein the memory stores programs, and the programs are used for realizing the rotating speed control method of the indoor fan of the air conditioner according to any one of the methods when being executed by the processor.
Optionally, the IFD purification module is mounted on an air conditioner dust screen.
The invention provides a method for controlling the rotating speed of an indoor fan of an air conditioner and the air conditioner. Compared with the technical field of intelligent air conditioners, the scheme provided by the invention can automatically detect the installation quantity of the IFD purification modules, and different rotating speed control schemes can be selected according to the installation quantity of the IFD purification modules, so that the rotating speed of an indoor fan of an air conditioner can be intelligently adjusted, the air supply quantity of the air conditioner which can be provided with the IFD purification modules before and after the IFD purification modules are installed can meet the requirements, and the use experience of users is improved.
Furthermore, when any IFD purification module is not assembled successfully, the power supply to the IDF purification module is forbidden, and the purification function of the air conditioner is not started, so that the electric shock protection function is realized, and the safety is ensured.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural block diagram of an air conditioner according to an embodiment of the present invention;
fig. 2 is a flow chart illustrating a method for controlling a rotational speed of an indoor fan of an air conditioner according to an embodiment of the present invention;
fig. 3 is a flow chart illustrating a method for controlling a rotational speed of an indoor fan of an air conditioner according to another embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic block diagram of an air conditioner 10 according to an embodiment of the present invention, and referring to fig. 1, the air conditioner 10 according to an embodiment of the present invention may include an air conditioner indoor unit 100. Wherein the air conditioner indoor unit 100 may include an air conditioner indoor fan 120 and at least one purification apparatus 110, the purification apparatus 110 being provided with a mounting structure 112 for mounting a plurality of IFD purification modules 111.
IFD (Intense Field Dielectric, Intense electric Field) refers to an Intense electric Field using Dielectric material as a carrier, the Dielectric material forms a honeycomb hollow micro-channel, the Dielectric wraps the electrode sheet of the conductive ink material, and an Intense electric Field is formed in the channel. After the air flows into the honeycomb, the pre-charged dust particles are adsorbed on the inner surface of the hollow cavity under the action of an extremely strong electric field force, and meanwhile, bacteria, microorganisms and the like attached to particles can be collected and killed in the strong electric field, so that the air-conditioning device is not only suitable for products such as a traditional air purifier and an air conditioner, but also suitable for intelligent products such as intelligent household appliances and intelligent air conditioners.
In this embodiment, the mounting structure 112 facilitates the mounting of the IFD cleaning module 111, and also facilitates the user's mounting and dismounting of the IFD cleaning module 111.
Fig. 2 is a flow chart illustrating a method for controlling a rotation speed of an indoor fan 120 of an air conditioner according to an embodiment of the present invention, and as can be seen from fig. 2, the method for controlling the rotation speed of the indoor fan 120 of the air conditioner according to the embodiment of the present invention may include:
s202, a current detection step: turning on the indoor fan 120 of the air conditioner at an initial rotation speed, and detecting the operation current of the indoor fan 120 of the air conditioner at the initial rotation speed;
s204, an IFD purification module 111 installation quantity judging step: determining the number of installed IFD purification modules 111 based on the operating current;
s206, a rotating speed control step: the rotation speed of the indoor fan 120 of the air conditioner is controlled according to a preset rotation speed control scheme corresponding to the installation number.
The embodiment of the invention provides a method for controlling the rotating speed of an air conditioner indoor fan 120, which is characterized in that the air conditioner indoor fan 120 is started at an initial rotating speed, the operating current of the air conditioner indoor fan 120 at the initial rotating speed is detected, the installation number of the IFD purification modules 111 can be judged based on the operating current, and then the rotating speed of the air conditioner indoor fan is controlled according to a preset rotating speed control scheme corresponding to the installation number. The scheme that provides based on this embodiment can be to IFD purification module 111's installation quantity automated inspection to can select different rotational speed control schemes according to IFD purification module 111's installation quantity, thereby can the rotational speed of intelligent regulation air-conditioner indoor fan 120, make the air conditioner that can assemble IFD purification module 111 all can satisfy the requirement at the air supply volume homoenergetic before installation IFD purification module 111 back, promote user's use and experience.
In one embodiment, before the current detecting step, the method may further include: a control signal for turning on at an initial rotation speed is transmitted to the indoor fan 120 of the air conditioner. Optionally, the current detecting step may further include: after a control signal for starting at an initial rotation speed is sent to the air conditioner indoor fan 120, detecting the running current of the air conditioner indoor fan 120 at the initial rotation speed after a set time; the setting time may be set according to the setting environment of the air conditioner, such as 25 seconds, 30 seconds, etc., and the present invention is not limited thereto.
The operating current of the indoor fan 120 of the air conditioner and the number of the installed IFD purification modules 111 have a corresponding relationship, and optionally, the step of determining the installation number of the IFD purification modules 111 may include: acquiring a preset first mapping relation list, wherein the first mapping relation list comprises a corresponding relation between the operating current and the installation number of the IFD purification modules 111; and searching the corresponding installation number of the IFD purification modules 111 in the first mapping relation list based on the operating current to obtain the installation number.
For example, it is contemplated that the purification apparatus may be provided with mounting structure 112 for mounting 4 IFD purification modules 111, i.e., the air conditioner 10 may be equipped with up to 4 IFD purification modules 111. Then, the operating current of the indoor fan 120 of the air conditioner with the purification device respectively equipped with 0 IFD purification module 111, 1 IFD purification module 111, 2 IFD purification module 111, 3 IFD purification module 111 and 4 IFD purification module 111 is recorded as i0、i1、i2、i3And i4. When the first mapping relationship list is preset, a corresponding relationship between the operating current and the installation number of the IFD purification modules 111 may be obtained, and the first mapping relationship list is established based on the corresponding relationship (see table 1).
TABLE 1
Running current of indoor fan 120 of air conditioner IFD purification Module 111 installation number
i0 0 block
i1 1 block
i2 2 pieces of
i3 3 pieces of
i4 4 blocks
The IFD purification module 111 installation number determination process: firstly, starting the air conditioner indoor fan 120 at an initial rotation speed r, detecting the operation current i of the air conditioner indoor fan 120 at the initial rotation speed r, and then, comparing the operation current i with i in table 10、i1、i2、i3And i4Comparing and judging if the current value of the operating current i is equal to the operating current i in the table 12If the current values are the same, the corresponding IFD purification modules 111 can be found in the first mapping relationship list in 2 blocks. Similar decisions are made for other installation quantities. The method provided by the embodiment can simply and quickly determine the installation number, and is convenient for the follow-up intelligent control of the rotating speed of the indoor fan 120 of the air conditioner.
In practical applications, the operating current of the indoor fan 120 of the air conditioner may fluctuate abnormally, for example, the operating current of the fan may decrease under the condition that the filter screen of the air conditioner is dirty and blocked, so that it is not necessary to set i in the first mapping relation list0、i1、i2、i3And i4The current values are respectively set to a determined value, but are respectively set to a current value range, so that the problem that the determination of the installation number of the IFD purification modules 111 is inaccurate due to the fluctuation of the detected current value is effectively avoided.
Alternatively, the rotation speed control step may include: acquiring a preset second mapping relation list, wherein the second mapping relation list comprises a corresponding relation between the installation quantity and the rotating speed control scheme; searching a corresponding rotating speed control scheme in a second mapping relation list based on the installation number of the IFD purification modules 111; the rotation speed of the indoor fan 120 of the air conditioner is controlled in accordance with the searched rotation speed control scheme.
For example, taking the example that the air conditioner 10 can be equipped with 4 IFD purification modules 111 at most, and setting the rotation speed control schemes to be scheme a, scheme b, scheme c, scheme d and scheme e when the purification devices are equipped with 0 IFD purification module 111, 1 IFD purification module 111, 2 IFD purification module 111, 3 IFD purification module 111 and 4 IFD purification module 111 respectively, when the second mapping relationship list is preset, the corresponding relationship between the installation number of the IFD purification modules 111 and the rotation speed control scheme can be obtained, and the second mapping relationship list (see table 2) is established based on the corresponding relationship. Wherein, in the scheme a, the indoor fan 120 of the air conditioner is controlled to rotate at the rotating speed r0In operation, in the scheme b, the indoor fan 120 of the air conditioner is controlled to rotate at the rotating speed r1In operation, in scheme c, the indoor fan 120 of the air conditioner is controlled to rotate at the rotation speed r2In operation, in the scheme d, the indoor fan 120 of the air conditioner is controlled to rotate at the rotating speed r3In operation, in scheme e, the indoor fan 120 of the air conditioner is controlled to rotate at the rotating speed r4And (5) operating.
TABLE 2
IFD purification Module 111 installation number Rotational speed control scheme
0 block Scheme a
1 block Scheme b
2 pieces of Scheme c
3 pieces of Scheme d
4 blocks Scheme e
The rotating speed control process comprises the following steps: the method comprises the steps of firstly starting to turn on the air conditioner indoor fan 120 at an initial rotating speed r, detecting the operating current i of the air conditioner indoor fan 120 at the initial rotating speed r, obtaining the installation number through a first mapping relation list, and then searching a corresponding rotating speed control scheme through a second mapping relation list based on the obtained installation number. For example, the number of the installed air conditioner indoor fans 120 is 2, the corresponding rotation speed control scheme which can be found in the second mapping relation list is scheme c, and the corresponding rotation speed control scheme is controlled to rotate at the rotation speed r2And (5) operating. Similar decisions are made for other speed control schemes. The method provided by the embodiment can automatically detect the installation number of the IFD purification modules 111 and intelligently control the rotating speed of the indoor fan 120 of the air conditioner based on the installation number.
Because the wind resistance becomes large after the IFD purification module 111 is installed, the corresponding fan air volume will decrease, and in order to ensure the air volume requirement, the output air volume is the same, optionally, the rotation speed control scheme is configured such that the rotation speed of the indoor fan 120 of the air conditioner increases correspondingly with the increase of the installation number. For example, for each additional IFD purification module 111, the rotation speed of the indoor fan 120 of the air conditioner is increased by 15 to balance the amount of air supplied.
Alternatively, the rotation speed control scheme may be configured such that the rotation speed of the indoor air conditioner 120 increases as the number of installations increases in each of the wind speed modes.
In practical application, the user washs IFD purification module or IFD purification module when pulling down not adorning at the dismouting, has not cut off the power supply or opens the condition of purification performance, and the high-pressure spring piece that leaks is naked this moment still electrified, and the user has the risk of electrocuteeing. To solve this problem, in an embodiment, the method provided in this embodiment may further include: a purification starting step: detecting an on event of a purification function of the air conditioner 10; a power supply judgment step: the turn-on event is obtained and a determination is made as to whether power is allowed to be supplied to the IFD purification modules based on the number of installations of the IFD purification modules 111.
In this embodiment, an on event of the cleaning function of the air conditioner 10 may be detected, and after the on event is detected, whether power supply to the IFD cleaning modules is allowed or not can be determined based on the number of installed IFD cleaning modules 111. Based on the scheme that this embodiment provided, increased the protection against electric shock function for the air conditioner, and set for respectively under the different circumstances of installation quantity and go up the electric scheme, can satisfy user's control demand to the air conditioner.
In an embodiment, the step of performing power supply judgment may include: if the purification function is turned on and any IFD purification module 111 on the assembly structure 112 is not successfully assembled, power supply to the IFD purification module is forbidden; if the purging function is turned on and the mounting structure 112 is fully successful in mounting the IFD purging module 111, power is supplied to the IFD purging module. That is to say, after all of the IFD purification modules 111 are successfully installed, the IFD purification modules can be powered on, then the purification function of the air conditioner can be started, and when any fast IFD purification module 111 is not installed, other installed IFD purification modules 111 are not powered on, and the purification function is not started. Based on the scheme that this embodiment provided, can effectively solve the user and wash arbitrary piece purification module or arbitrary fast IFD purification module when pulling down not adorning at the dismouting, do not cut off the power supply or open purification performance, the high-voltage spring leaf that leaks this moment is still electrified, leads to the problem that the user has the risk of electrocuting.
In one embodiment, after the step of determining the power supply is performed, the method may further include: if the purification function is turned on and any one of the IFD purification modules 111 is not successfully assembled on the assembly structure 112, a prompt signal is sent to remind the user that all of the IFD purification modules 111 are not installed. Remind when detecting that any IFD purifies module 111 is unsuccessful in assembly, and then make the user in time install IFD and purify module 111 to open purification performance, promote user experience.
Fig. 3 is a flow chart illustrating a method for controlling a rotation speed of an indoor fan of an air conditioner according to another embodiment of the present invention, and referring to fig. 3, the method provided in this embodiment may include the following steps:
s302, starting the air conditioner 10 and sending a control signal;
s304, receiving a control signal, and starting the indoor fan 120 of the air conditioner at an initial rotating speed;
s306, detecting the running current of the indoor fan 120 of the air conditioner after the set time;
s308, acquiring a first mapping relation list, and searching the installation number corresponding to the running current;
s310, acquiring a second mapping relation list, and searching for rotating speed control schemes corresponding to the installation number;
s312, controlling the operation of the indoor fan 120 of the air conditioner according to the searched rotating speed control scheme;
after step S308, the method may further include:
s314, detecting the starting event of the purification function of the air conditioner 10;
s316, acquiring a starting event, and judging whether power supply to the IFD purification module is allowed or not based on the installation number; if yes, go to step S316; if not, go to step S318;
s316, supplying power to the IFD purification module and starting the purification function;
s318, power supply to the IFD purification module is forbidden, and the purification function is not started;
in the case where all of the IFD purification modules 111 are not installed, the following steps may be performed:
and S320, sending a prompt signal to remind a user that the IFD purification modules 111 are not completely installed.
S322, continuously detecting the installation number of the IFD purification modules 111, and judging whether power supply to the purification modules is allowed; if yes, go to step S316; if not, go to step S318.
Referring to fig. 1, in one embodiment of the present invention, the air conditioner 10 may further include an electric control board. The electronic control board may include a memory and a processor, and the memory stores a program, and the program is executed by the processor to implement the method for controlling the rotation speed of the indoor fan 120 of the air conditioner in any of the embodiments.
In one embodiment, the IFD purification module 111 can be mounted on an air conditioner dust screen. For example, the IFD purification module and the air conditioner dust filter net can be respectively provided with a magnetic connector, and then the installation of the IFD purification module 111 is realized through the mutual magnetism of the magnetic connector. For another example, the IFD purification module and the dust filter screen of the air conditioner may be provided with corresponding buckles and corresponding lugs, respectively, and the IFD purification module 111 may be mounted by the buckles and the corresponding lugs, which is not limited in the present invention.
In the method for controlling the rotating speed of the indoor fan 120 of the air conditioner provided by the invention, the indoor fan 120 of the air conditioner is started at an initial rotating speed, the operating current of the indoor fan 120 of the air conditioner at the initial rotating speed is detected, the installation number of the IFD purification modules 111 can be judged based on the operating current, and then the rotating speed of the indoor fan of the air conditioner is controlled according to a preset rotating speed control scheme corresponding to the installation number. Based on the method provided by the invention, the installation number of the IFD purification modules 111 can be detected, and different rotating speed control schemes can be selected according to the installation number of the IFD purification modules 111, so that the rotating speed of the indoor fan 120 of the air conditioner can be intelligently adjusted, the air supply volume of the air conditioner 10 which can be provided with the IFD purification modules 111 before and after the installation of the IFD purification modules 111 can meet the requirements, and the use experience of users is improved.
Further, the invention can also prohibit power supply to the IDF purification module when any IFD purification module 111 is not assembled successfully, and the purification function of the air conditioner 10 is not started at this time, thereby realizing the electric shock protection function and ensuring safety.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A method for controlling a rotational speed of an indoor fan of an air conditioner, wherein the indoor fan of the air conditioner includes at least one purification apparatus having an assembly structure for installing a plurality of IFD purification modules, the method comprising:
a current detection step: starting the air conditioner indoor fan at an initial rotating speed, and detecting the running current of the air conditioner indoor fan at the initial rotating speed;
IFD purifies module installation quantity and judges step: judging the installation number of the IFD purification modules based on the running current;
and a rotating speed control step: and controlling the rotating speed of the indoor fan of the air-conditioning room according to a preset rotating speed control scheme corresponding to the installation number.
2. The method for controlling a rotational speed of an indoor fan of an air conditioner according to claim 1, wherein the step of determining the number of installed IFD purification modules comprises:
acquiring a preset first mapping relation list, wherein the first mapping relation list comprises a corresponding relation between the operating current and the installation number of the IFD purification modules;
and searching the corresponding IFD purification module installation number in the first mapping relation list based on the operating current so as to obtain the installation number.
3. The method for controlling a rotational speed of an indoor fan of an air conditioner according to claim 2, wherein the rotational speed controlling step comprises:
acquiring a preset second mapping relation list, wherein the second mapping relation list comprises a corresponding relation between the installation number and the rotating speed control scheme;
searching a corresponding rotating speed control scheme in the second mapping relation list based on the installation number of the IFD purification modules;
and controlling the rotating speed of the indoor fan of the air conditioner according to the searched rotating speed control scheme.
4. The method for controlling a rotational speed of an indoor fan of an air conditioner according to claim 1,
the rotating speed control scheme is configured to increase the rotating speed of the indoor fan of the air conditioner along with the increase of the installation number in each wind speed mode.
5. The method for controlling a rotational speed of an indoor fan of an air conditioner according to claim 1, wherein the current detecting step comprises:
after a control signal which is started at an initial rotating speed is sent to the air conditioner indoor fan, the running current of the air conditioner indoor fan at the initial rotating speed is detected after a set time.
6. The method for controlling a rotational speed of an indoor fan of an air conditioner according to claim 1, wherein the method further comprises:
a purification starting step: detecting an opening event of a purification function of the air conditioner;
a power supply judgment step: and acquiring the starting event, and judging whether to allow power supply to the IFD purification module based on the installation number of the IFD purification module.
7. The method for controlling a rotational speed of an indoor fan of an air conditioner according to claim 6, wherein the power supply judging step comprises:
if the purification function is opened and any IFD purification module is not successfully assembled on the assembly structure, power supply to the IFD purification module is forbidden;
if purification function opens, and the assembly structure is all successfully assembled when IFD purifies the module, then to IFD purifies the module power supply.
8. The method for controlling a rotational speed of an indoor fan of an air conditioner according to claim 6, wherein the power supply judging step further comprises:
if purification function opens, just when there is any IFD purification module unsuccessful assembly on the assembly structure, then send cue signal to remind the user IFD purification module is not all installed.
9. An air conditioner comprising:
an electric control board comprising a memory and a processor, wherein the memory stores a program, and the program is used for realizing the rotating speed control method of the air conditioner indoor fan according to any one of claims 1-8 when being executed by the processor.
10. The air conditioner according to claim 9, wherein
IFD purifies the module and installs on air conditioner dust filter.
CN201911318747.0A 2019-12-19 2019-12-19 Rotating speed control method of indoor fan of air conditioner and air conditioner Pending CN111043735A (en)

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