CN107477802B - Air conditioner and indoor unit control device and method thereof - Google Patents
Air conditioner and indoor unit control device and method thereof Download PDFInfo
- Publication number
- CN107477802B CN107477802B CN201710812823.8A CN201710812823A CN107477802B CN 107477802 B CN107477802 B CN 107477802B CN 201710812823 A CN201710812823 A CN 201710812823A CN 107477802 B CN107477802 B CN 107477802B
- Authority
- CN
- China
- Prior art keywords
- indoor
- air volume
- indoor unit
- temperature
- heat exchanger
- 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.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner and an indoor unit control device and a control method thereof, wherein the control device comprises: the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring the operation parameters of an indoor unit and/or the current indoor environment parameters in the process of operating the air conditioner in a refrigeration mode; the air quantity bypass module is used for bypassing the air quantity of the indoor fan; control module, control module links to each other respectively with acquisition module and air volume bypass module, control module is used for controlling air volume bypass module according to the operating parameter of indoor set and/or current indoor environmental parameter, adjust the amount of wind that indoor fan passes through indoor heat exchanger, thereby make the system be in the function demand state of preferred all the time, reduce the unsteady running state that leads to because of unnecessary temperature decline, make the system obtain dehumidification effect and the ambient temperature stability of preferred, the travelling comfort of system has been increased.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an indoor unit control device of an air conditioner, the air conditioner with the control device and an indoor unit control method of the air conditioner.
Background
With the development of air conditioning technology, the requirements of users on the quality of indoor air, particularly on the temperature and humidity, become higher and higher, and how to perform accurate temperature and humidity control becomes very important.
Most air conditioners can subsidiary dehumidification function when the refrigeration operation in the existing market, under the normal condition, dehumidify when refrigerated and can satisfy conventional use, but to low refrigeration cooling and high dehumidification demand, will lead to refrigeration cooling and dehumidification to go on in step. For example, when the air conditioner dehumidifies, the indoor ambient temperature may be too low, which may seriously affect the comfort of the user, or when the indoor ambient temperature is considered, the cooling operation may be frequently stopped, the dehumidification effect is not good, and even for the adjustable output system, the same problem may also exist.
In order to solve the above problems, in the related art, a heat compensation method is used to compensate the indoor ambient temperature, for example, an auxiliary heating method is used or an evaporator is divided into two parts, and a part of condensation effect is transferred to the indoor space, so as to perform heat compensation.
Disclosure of Invention
The present invention is directed to solving at least one of the problems in the art to some extent. Therefore, a first objective of the present invention is to provide a control device for an indoor unit of an air conditioner, which can always enable a system to be in a better function demand state, reduce an unstable operation state caused by unnecessary temperature drop, enable the system to obtain a better dehumidification effect and environmental temperature stability, and increase the comfort of the system.
The second purpose of the invention is to provide an air conditioner.
The third purpose of the invention is to provide a control method of an indoor unit of an air conditioner.
A fourth object of the invention is to propose a computer-readable storage medium.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides an indoor unit control device of an air conditioner, where the air conditioner includes an outdoor unit and an indoor unit, the indoor unit includes an indoor heat exchanger and an indoor fan, and the control device includes: the acquisition module is used for acquiring the operation parameters of the indoor unit and/or the current indoor environment parameters in the process that the air conditioner operates in a refrigeration mode; the air volume bypass module is used for bypassing the air volume of the indoor fan; and the control module is respectively connected with the acquisition module and the air volume bypass module, and is used for controlling the air volume bypass module according to the operation parameters of the indoor unit and/or the current indoor environment parameters so as to adjust the air volume of the indoor fan passing through the indoor heat exchanger.
According to the indoor unit control device of the air conditioner, in the process that the air conditioner operates in the refrigeration mode, the operation parameters and/or the current indoor environment parameters of the indoor unit are obtained through the obtaining module, the control module controls the air volume bypass module according to the operation parameters and/or the current indoor environment parameters of the indoor unit, and the air volume of the indoor fan passing through the indoor heat exchanger is adjusted, so that the system is always in a better function demand state, the unstable operation state caused by unnecessary temperature reduction is reduced, the system obtains a better dehumidification effect and environment temperature stability, and the comfort of the system is improved.
In addition, the indoor unit control device of the air conditioner according to the above embodiment of the present invention may further have the following additional technical features:
according to one embodiment of the present invention, the operation parameter of the indoor unit includes a start-stop frequency of the indoor unit, and the current indoor environment parameter includes a current indoor environment temperature.
According to an embodiment of the present invention, when the start-stop frequency of the indoor unit is greater than a first preset frequency and/or the temperature difference between the current indoor environment temperature and the set target temperature is less than a first preset temperature, the control module performs an increase control on the opening degree of the air volume bypass module to reduce the air volume passing through the indoor heat exchanger.
According to an embodiment of the present invention, the current indoor environment parameter further includes a current indoor environment humidity, wherein when a temperature difference between the current indoor environment temperature and the set target temperature is less than a second preset temperature and the current indoor environment humidity is greater than a first preset humidity, the control module performs an increase control on an opening degree of the air volume bypass module to reduce an air volume passing through the indoor heat exchanger.
In order to achieve the above object, a second aspect of the present invention provides an air conditioner, which includes the above indoor unit control device.
According to the air conditioner provided by the embodiment of the invention, through the indoor unit control device, the system can be always in a better function demand state, the unstable operation state caused by unnecessary temperature reduction is reduced, the system obtains better dehumidification effect and environment temperature stability, and the comfort of the system is improved.
In order to achieve the above object, an embodiment of a third aspect of the present invention provides a method for controlling an indoor unit of an air conditioner, where the air conditioner includes an outdoor unit and an indoor unit, the indoor unit includes an indoor heat exchanger, an indoor fan, and an air volume bypass module for bypassing an air volume of the indoor fan, and the method includes: acquiring the operation parameters of the indoor unit and/or the current indoor environment parameters in the process that the air conditioner operates in a refrigeration mode; and controlling the air quantity bypass module according to the operating parameters of the indoor unit and/or the current indoor environment parameters so as to adjust the air quantity of the indoor fan passing through the indoor heat exchanger.
According to the control method of the indoor unit of the air conditioner, in the process that the air conditioner operates in the refrigeration mode, the operation parameters and/or the current indoor environment parameters of the indoor unit are obtained, the air volume bypass module is controlled according to the operation parameters and/or the current indoor environment parameters of the indoor unit, and the air volume of the indoor fan passing through the indoor heat exchanger is adjusted, so that the system is always in a better function demand state, the unstable operation state caused by unnecessary temperature reduction is reduced, the system obtains better dehumidification effect and environment temperature stability, and the comfort of the system is improved.
In addition, the indoor unit control method of an air conditioner according to the above embodiment of the present invention may further have the following additional technical features:
according to one embodiment of the present invention, the operation parameter of the indoor unit includes a start-stop frequency of the indoor unit, and the current indoor environment parameter includes a current indoor environment temperature.
According to an embodiment of the present invention, when the start-stop frequency of the indoor unit is greater than a first preset frequency and/or the temperature difference between the current indoor environment temperature and the set target temperature is less than a first preset temperature, the opening of the air volume bypass module is controlled to be increased to reduce the air volume passing through the indoor heat exchanger.
According to an embodiment of the present invention, the current indoor environment parameter further includes a current indoor environment humidity, wherein when a temperature difference between the current indoor environment temperature and the set target temperature is less than a second preset temperature and the current indoor environment humidity is greater than a first preset humidity, the opening degree of the air volume bypass module is controlled to be increased to reduce the air volume passing through the indoor heat exchanger.
In order to achieve the above object, a fourth aspect of the present invention provides a computer-readable storage medium having instructions stored therein, wherein when the instructions are executed, the air conditioner performs the indoor unit control method described above.
According to the computer-readable storage medium provided by the embodiment of the invention, by executing the indoor unit control method, the system can be always in a better function demand state, the unstable operation state caused by unnecessary temperature reduction is reduced, the system obtains better dehumidification effect and environment temperature stability, and the comfort of the system is improved.
Drawings
Fig. 1 is a schematic structural view of an air conditioner according to an embodiment of the present invention;
fig. 2 is a block schematic view of an indoor unit control apparatus of an air conditioner according to an embodiment of the present invention;
fig. 3 is a flowchart for controlling an air volume bypass module according to the on-off frequency of an indoor unit according to an embodiment of the present invention;
FIG. 4 is a flowchart of controlling an air volume bypass module according to a current indoor ambient temperature, according to an embodiment of the present invention;
fig. 5 is a flowchart of controlling the air volume bypass module according to the current indoor ambient humidity and the current indoor ambient temperature according to an embodiment of the present invention; and
fig. 6 is a flowchart of an indoor unit control method of an air conditioner according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
An indoor unit control device of an air conditioner, an air conditioner having the same, an indoor unit control method of an air conditioner, and a computer-readable storage medium according to embodiments of the present invention are described below with reference to the accompanying drawings.
In an embodiment of the present invention, the air conditioner may include an outdoor unit and an indoor unit, and the indoor unit may include an indoor heat exchanger and an indoor fan.
Specifically, as shown in fig. 1, the outdoor unit may include a compressor 01, a four-way valve 02, a liquid storage tank 03, and an outdoor heat exchanger 04, and the indoor unit may include an indoor heat exchanger 05, an indoor fan 06, and a throttling element 07. The exhaust port of the compressor 01 is connected with one end of the outdoor heat exchanger 04 through the four-way valve 02, the other end of the outdoor heat exchanger 04 is connected with one end of the indoor heat exchanger 05 through the throttling element 07, the other end of the indoor heat exchanger 05 is connected with one end of the liquid storage tank 03 through the four-way valve 02, and the other end of the liquid storage tank 03 is connected with the return air port of the compressor 01.
When the air conditioner operates in a cooling mode, an exhaust port of the compressor 01 is directly communicated with the outdoor heat exchanger 04 through the d end and the c end of the four-way valve 02, at the moment, high-temperature and high-pressure gaseous refrigerant discharged from the exhaust port of the compressor 01 flows into the outdoor heat exchanger 04 through the four-way valve 02, is condensed and releases heat through the outdoor heat exchanger 04 (serving as a condenser at the moment), the refrigerant after condensation and heat release is throttled and decompressed through the throttling element 07 to become low-temperature and low-pressure liquid refrigerant, is evaporated and absorbed heat through the indoor heat exchanger 05 (serving as an evaporator at the moment) to reduce the temperature of indoor air, the cooled indoor air is discharged to the room through the indoor fan 06, and simultaneously the low-temperature and low-pressure gaseous refrigerant after evaporation and heat absorption flows into the low-pressure tank 03 through the a end and the b end of the four-way valve, the low-pressure, the refrigeration cycle process is thus completed.
Fig. 2 is a block diagram illustrating an indoor unit control apparatus of an air conditioner according to an embodiment of the present invention. As shown in fig. 2, the indoor unit control apparatus of an air conditioner according to an embodiment of the present invention may include an acquisition module 10, an air volume bypass module 20, and a control module 30.
The obtaining module 10 is configured to obtain an operation parameter of the indoor unit and/or a current indoor environment parameter during a process in which the air conditioner operates in a cooling mode. The air quantity bypass module 20 is used for bypassing the air quantity of the indoor fan 06. The control module 30 is connected to the obtaining module 10 and the air volume bypass module 20, respectively, and the control module 30 is configured to control the air volume bypass module 20 according to an operation parameter of the indoor unit and/or a current indoor environment parameter, so as to adjust an air volume of the indoor fan 06 passing through the indoor heat exchanger 05.
In an embodiment of the present invention, the operation parameter of the indoor unit may include a start-stop frequency of the indoor unit, and the current indoor environment parameter may include a current indoor environment temperature.
Further, according to an embodiment of the present invention, when the start-stop frequency of the indoor unit is greater than the first preset frequency, the control module 30 performs an increase control on the opening degree of the air volume bypass module 20 to reduce the air volume passing through the indoor heat exchanger 05. The first preset frequency x can be calibrated according to actual conditions.
Specifically, when the air conditioning system operates in the cooling mode, the start-stop frequency s of the indoor unit is obtained in real time through the obtaining module 10, for example, the frequency of the indoor unit in which the start-up and the stop are alternately circulated within a preset time (e.g., 1 hour) is obtained, that is, the start-stop frequency s of the indoor unit. After the start-stop frequency s of the indoor unit is obtained, the control module 30 controls the air volume bypass module 20 according to the start-stop frequency s of the indoor unit, wherein when s is greater than a first preset frequency x, the control module 30 performs increase control on the opening degree of the air volume bypass module 20 (such as an electronic expansion valve or an electromagnetic valve) to adjust an air volume route of the indoor fan into two parts: the amount of wind of some indoor fan 06 continues to last the heat transfer dehumidification to the room air through indoor heat exchanger 05, and the amount of wind of another part indoor fan 06 no longer passes through indoor heat exchanger 05 heat transfer, but directly sends out to indoorly, can make the amount of wind of indoor fan through indoor heat exchanger show like this and reduce to effectively reduce the problem that the indoor ambient temperature that unnecessary refrigeration capacity leads to descends, prevent that the system from reaching the warm shutdown, and then guarantee that the system can last the dehumidification.
After the system runs for a period of time, when s is smaller than a second preset frequency y (y is smaller than or equal to x), it indicates that the starting and stopping frequency s of the indoor unit is smaller, and at this time, the control module 30 controls the air volume bypass module 20 to be closed to restore the air volume route of the indoor fan, so that the air volume of all the indoor fans exchanges heat and dehumidifies the indoor air through the indoor heat exchanger 05, and the indoor environment temperature is ensured to meet the temperature set by the user as far as possible.
The following describes a process of controlling the air volume bypass module according to the startup and shutdown frequency of the indoor unit with reference to fig. 3, and specifically may include the following steps:
s301, acquiring a target temperature T set by a userTargetAnd the current indoor environment temperature T, the running windshield and other running information.
And S302, appropriately controlling the operation wind gear of the indoor fan according to the operation information. For example, the target temperature T may be set in a conventional mannerTargetAnd the temperature difference △ T between the current indoor environment temperature T controls the running wind gear of the indoor fan.
And S303, acquiring the starting and stopping frequency S of the indoor unit.
S304, judging whether the starting and stopping frequency S of the indoor unit is greater than a first preset frequency x. If yes, go to step S306; if not, step S305 is performed.
S305, the system operates according to the conventional method.
And S306, opening degree of the air volume bypass module is increased.
And S307, after a period of time, judging whether the starting and stopping frequency S of the indoor unit is less than a second preset frequency y. If yes, go to step S309; if not, step S308 is performed.
S308, the system maintains the current state to run.
And S309, controlling the air volume bypass module to be closed.
And S310, stopping the machine according to the control requirement when the stop command is received.
Therefore, according to the indoor unit control device of the air conditioner, when the air conditioner operates in a refrigeration mode, the starting and stopping frequency of the indoor unit is obtained through the obtaining module, the air volume bypass module is controlled through the control module according to the starting and stopping frequency of the indoor unit, so that the air volume of the indoor fan passing through the indoor heat exchanger is adjusted, the system can continuously dehumidify, a good dehumidification effect is obtained, meanwhile, the temperature drop caused by redundant refrigeration volume is reduced, the stable control on the current indoor environment temperature is facilitated, the effect of improving the comfort level of a user is achieved, the frequent starting and stopping of the compressor is avoided, and the service life of the compressor is prolonged.
According to another embodiment of the present invention, when the temperature difference between the current indoor ambient temperature and the set target temperature is less than the first preset temperature, the control module 30 performs the opening degree adjustment control on the air volume bypass module 20 to reduce the air volume passing through the indoor heat exchanger 05. The first preset temperature T1 may be calibrated according to actual conditions.
Specifically, when the air conditioning system operates in the cooling mode, the current indoor ambient temperature T and the set target temperature T are acquired in real time by the acquisition module 10Target. Obtaining the current indoor environment temperature T and the set target temperature TTargetThen, the control module 30 controls the indoor temperature T according to the current indoor temperature T and the set target temperature TTargetThe difference between the temperatures △ T (△ T ═ T-T)Target) Controlling the air quantity bypass module 20, wherein when △ T is less than a first preset temperature T1, the control module 30 controls the opening degree of the air quantity bypass module 20 to be increased so as to adjust the air quantity route of the indoor fan into two parts, namely, the air quantity of one part of the indoor fan 06 continues to pass through the indoor heat exchanger 05 to intake the indoor airThe row continuously exchanges heat and dehumidifies, the air volume of the indoor fan 06 of the other part is not passed through the indoor heat exchanger 05 any more, but is directly sent out to the indoor, so that the air volume of the indoor fan passing through the indoor heat exchanger is obviously reduced, the problem of reduction of the indoor environment temperature caused by redundant refrigerating capacity is effectively reduced, the system is prevented from being stopped at a temperature, and the system is further ensured to continuously dehumidify.
After the system runs for a period of time, when △ T is greater than a third preset temperature T3(T3 is greater than or equal to T1), it indicates that the temperature difference value △ T is large, at this time, the control module 30 controls the air volume bypass module 20 to be closed to restore the air volume route of the indoor fan, so that the air volume of all the indoor fans exchanges heat and dehumidifies the indoor air through the indoor heat exchanger 05, and the indoor environment temperature is guaranteed to meet the temperature set by the user as far as possible.
The following describes a process of controlling the air volume bypass module according to the current indoor ambient temperature with reference to fig. 4, which may specifically include the following steps:
s401, acquiring a target temperature T set by a userTargetAnd the current indoor environment temperature T, the running windshield and other running information.
And S402, appropriately controlling the operation wind level of the indoor fan according to the operation information. For example, the target temperature T may be set in a conventional mannerTargetAnd the temperature difference △ T between the current indoor environment temperature T controls the running wind gear of the indoor fan.
S403, according to the current indoor environment temperature T and the set target temperature TTargetThe temperature difference △ T between the two is used for controlling the air quantity bypass module.
S404, judging whether the temperature difference △ T < the first preset temperature T1 is true, if so, executing a step S406, and if not, executing a step S405.
S405, the system operates according to the conventional method.
And S406, opening degree of the air volume bypass module is increased.
S407, after a period of time, judging whether the temperature difference △ T > a third preset temperature T3 is true, if so, executing a step S409, and if not, executing a step S408.
S408, the system maintains the current state to operate.
And S409, controlling the air volume bypass module to be closed.
And S410, stopping the machine according to the control requirement when the stop command is received.
Therefore, according to the indoor machine control device of the air conditioner, when the air conditioner operates in a refrigeration mode, the current indoor environment temperature and the set target temperature are obtained through the obtaining module, the control module is used for controlling the air volume bypass module according to the temperature difference value between the current indoor environment temperature and the set target temperature so as to adjust the air volume of the indoor fan through the indoor heat exchanger, therefore, the system can continuously dehumidify, a better dehumidification effect is obtained, meanwhile, the temperature drop caused by redundant refrigeration volume is reduced, the stable control of the current indoor environment temperature is facilitated, the effect of improving the comfort level of a user is achieved, the compressor is prevented from being frequently started and stopped, and the service life of the compressor is prolonged.
In addition, in the embodiment of the present invention, the current indoor environment parameter may further include a current indoor environment humidity, wherein when a temperature difference between the current indoor environment temperature and the set target temperature is less than a second preset temperature and the current indoor environment humidity is greater than a first preset humidity, the control module 30 performs an increase control on the opening degree of the air volume bypass module 20 to reduce the air volume passing through the indoor heat exchanger 05. The second preset temperature T2 and the first preset humidity RH1 can be calibrated according to actual conditions.
Specifically, when the air conditioning system operates in the cooling mode, the current indoor environment humidity RH and the current indoor environment temperature T are acquired in real time through the acquisition module 10, and the set target temperature T is acquiredTargetThe difference between the temperatures △ T (△ T ═ T-T)Target) After the current indoor environment humidity RH and the temperature difference value △ T are obtained, the control module 30 controls the air volume bypass module 20 according to the current indoor environment humidity RH and the temperature difference value △ T, wherein when △ T is less than a second preset temperature T2 and RH is greater than a first preset humidity RH1, the control module 30 performs increase control on the opening degree of the air volume bypass module 20 to adjust the air volume route of the indoor fan into two parts, namely one partThe amount of wind of branch indoor fan 06 continues to carry out the heat transfer dehumidification that lasts to the room air through indoor heat exchanger 05, and the amount of wind of another part indoor fan 06 no longer passes through indoor heat exchanger 05, but directly sends out to indoor, can make the amount of wind that indoor fan passes through indoor heat exchanger show like this and reduce to effectively reduce the problem that the indoor ambient temperature that unnecessary refrigerating output leads to descends, prevent that the system from reaching the warm shutdown, and then guarantee that the system can last the dehumidification.
After the system runs for a period of time, when △ T is greater than a fourth preset temperature T4(T4 is greater than or equal to T2) or RH is less than a second preset humidity RH2(RH2 is less than or equal to RH1), it indicates that the temperature difference value △ T is large, and at this time, the control module 30 controls the air volume bypass module 20 to close to restore the air volume route of the indoor fan, so that the air volume of all the indoor fans exchanges heat and dehumidifies the indoor air through the indoor heat exchanger 05, and the indoor environment temperature is guaranteed to meet the temperature set by the user as far as possible.
The following describes a process of controlling the air volume bypass module according to the current indoor environment humidity and the current indoor environment temperature with reference to fig. 5, which may specifically include the following steps:
s501, acquiring target temperature T set by a userTargetAnd the current indoor environment temperature T, the current indoor environment humidity RH, the running windshield and other running information.
And S502, properly controlling the running wind gear of the indoor fan according to the running information. For example, the target temperature T may be set in a conventional mannerTargetAnd the temperature difference △ T between the current indoor environment temperature T controls the running wind gear of the indoor fan.
S503, according to the current indoor environment humidity RH, the current indoor environment temperature T and the set target temperature TTargetThe temperature difference △ T between the two is used for controlling the air quantity bypass module.
S504, whether the temperature difference △ T is less than the second preset temperature T2 and whether the current indoor environment humidity RH is more than the first preset humidity RH1 are judged, if yes, the step S506 is executed, and if not, the step S505 is executed.
And S505, the system operates according to the conventional method.
And S506, opening degree of the air volume bypass module is increased.
S507, after a period of time, whether the temperature difference value △ T is greater than a fourth preset temperature T4 or RH is less than a second preset humidity RH2 is judged, if yes, step S509 is executed, and if not, step S508 is executed.
And S508, the system maintains the current state to operate.
And S509, controlling the air volume bypass module to be closed.
And S510, when the shutdown command is received, shutdown is carried out according to the control requirement.
Therefore, according to the indoor machine control device of the air conditioner, when the air conditioner operates in a refrigeration mode, the current indoor environment humidity, the current indoor environment temperature and the set target temperature are obtained through the obtaining module, the air volume bypass module is controlled through the control module according to the current indoor environment humidity, the current indoor environment temperature and the set target temperature, so that the air volume of the indoor fan passing through the indoor heat exchanger is adjusted, the system can continuously dehumidify, a good dehumidification effect is obtained, meanwhile, temperature drop caused by redundant refrigeration volume is reduced, smooth control over the current indoor environment temperature is facilitated, the effect of improving the comfort level of a user is achieved, frequent starting and stopping of the compressor is avoided, and the service life of the compressor is prolonged.
In addition, in the embodiment of the present invention, the start-stop frequency s, the temperature difference △ T, and the current indoor environment humidity of the indoor unit may be combined to control the air volume bypass module 20, for example, the air volume bypass module 20 is controlled according to the start-stop frequency s and the temperature difference △ T of the indoor unit, wherein when the start-stop frequency s is greater than the first preset frequency x and the temperature difference △ T is less than the first preset temperature T1, the control module 30 performs the opening degree adjustment control on the air volume bypass module 20, and in order to avoid redundancy, other combination modes are not described in detail here.
In summary, according to the indoor unit control device of the air conditioner in the embodiment of the present invention, in the process of operating the air conditioner in the cooling mode, the operation parameter of the indoor unit and/or the current indoor environment parameter are/is obtained through the obtaining module, and the control module controls the air volume bypass module according to the operation parameter of the indoor unit and/or the current indoor environment parameter, so as to adjust the air volume of the indoor fan passing through the indoor heat exchanger, so that the system is always in a better function demand state, an unstable operation state caused by unnecessary temperature drop is reduced, the system obtains a better dehumidification effect and environment temperature stability, and the comfort of the system is increased.
In addition, the embodiment of the invention also provides an air conditioner which comprises the indoor unit control device.
According to the air conditioner provided by the embodiment of the invention, through the indoor unit control device, the system can be always in a better function demand state, the unstable operation state caused by unnecessary temperature reduction is reduced, the system obtains better dehumidification effect and environment temperature stability, and the comfort of the system is improved.
Fig. 6 is a flowchart of an indoor unit control method of an air conditioner according to an embodiment of the present invention. In an embodiment of the present invention, the air conditioner may include an outdoor unit and an indoor unit, and the indoor unit may include an indoor heat exchanger, an indoor fan, and an air volume bypass module for bypassing an air volume of the indoor fan. As shown in fig. 6, the indoor unit control method of the air conditioner may include the steps of:
and S1, acquiring the operation parameters of the indoor unit and/or the current indoor environment parameters in the process of operating the air conditioner in the cooling mode.
And S2, controlling the air volume bypass module according to the operation parameters of the indoor unit and/or the current indoor environment parameters so as to adjust the air volume of the indoor fan passing through the indoor heat exchanger.
According to one embodiment of the present invention, the operation parameter of the indoor unit includes a start-stop frequency of the indoor unit, and the current indoor environment parameter includes a current indoor environment temperature.
According to one embodiment of the invention, when the start-stop frequency of the indoor unit is greater than a first preset frequency and/or the temperature difference between the current indoor environment temperature and the set target temperature is less than a first preset temperature, the opening degree of the air volume bypass module is controlled to be increased so as to reduce the air volume passing through the indoor heat exchanger.
According to an embodiment of the present invention, the current indoor environment parameter further includes a current indoor environment humidity, wherein when a temperature difference between the current indoor environment temperature and the set target temperature is less than a second preset temperature and the current indoor environment humidity is greater than a first preset humidity, the opening degree of the air volume bypass module is controlled to be increased to reduce the air volume passing through the indoor heat exchanger.
It should be noted that, the details of the indoor unit control method of the air conditioner according to the embodiment of the present invention are not disclosed, and refer to the details disclosed in the indoor unit control device of the air conditioner according to the embodiment of the present invention, and detailed descriptions thereof are omitted here.
According to the control method of the indoor unit of the air conditioner, in the process that the air conditioner operates in the refrigeration mode, the operation parameters and/or the current indoor environment parameters of the indoor unit are obtained, the air volume bypass module is controlled according to the operation parameters and/or the current indoor environment parameters of the indoor unit, and the air volume of the indoor fan passing through the indoor heat exchanger is adjusted, so that the system is always in a better function demand state, the unstable operation state caused by unnecessary temperature reduction is reduced, the system obtains better dehumidification effect and environment temperature stability, and the comfort of the system is improved.
In addition, an embodiment of the present invention also provides a computer-readable storage medium having instructions stored therein, and when the instructions are executed, the air conditioner performs the indoor unit control method described above.
According to the computer-readable storage medium provided by the embodiment of the invention, by executing the indoor unit control method, the system can be always in a better function demand state, the unstable operation state caused by unnecessary temperature reduction is reduced, the system obtains better dehumidification effect and environment temperature stability, and the comfort of the system is improved.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In addition, in the description of the present invention, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. The utility model provides an indoor set controlling means of air conditioner which characterized in that, the air conditioner includes off-premises station and indoor set, indoor set includes indoor heat exchanger and indoor fan, controlling means includes:
the acquisition module is used for acquiring the operation parameters of the indoor unit and/or the current indoor environment parameters in the process that the air conditioner operates in a refrigeration mode;
the air volume bypass module is used for bypassing the air volume of the indoor fan;
the control module is respectively connected with the acquisition module and the air volume bypass module, and is used for controlling the air volume bypass module according to the operation parameters of the indoor unit so as to adjust the air volume of the indoor fan passing through the indoor heat exchanger, or is used for controlling the air volume bypass module according to the operation parameters of the indoor unit and the current indoor environment parameters so as to adjust the air volume of the indoor fan passing through the indoor heat exchanger;
the operation parameters of the indoor unit comprise starting and stopping frequency of the indoor unit, and the current indoor environment parameters comprise current indoor environment temperature.
2. The indoor unit control device of an air conditioner according to claim 1, wherein when the on-off frequency of the indoor unit is greater than a first preset frequency, the control module performs an increase control of the opening degree of the air volume bypass module to reduce the air volume passing through the indoor heat exchanger;
or when the starting and stopping frequency of the indoor unit is greater than a first preset frequency and the temperature difference between the current indoor environment temperature and the set target temperature is less than a first preset temperature, the control module performs opening adjustment control on the air volume bypass module to reduce the air volume passing through the indoor heat exchanger.
3. The indoor unit control apparatus of an air conditioner according to claim 1 or 2, wherein the current indoor environment parameter further includes a current indoor environment humidity, wherein,
when the temperature difference between the current indoor environment temperature and the set target temperature is smaller than a second preset temperature and the current indoor environment humidity is larger than a first preset humidity, the control module controls the opening degree of the air volume bypass module to be increased so as to reduce the air volume passing through the indoor heat exchanger.
4. An air conditioner characterized by comprising the indoor unit control device according to any one of claims 1 to 3.
5. The control method of the indoor unit of the air conditioner is characterized in that the air conditioner comprises an outdoor unit and the indoor unit, the indoor unit comprises an indoor heat exchanger, an indoor fan and an air volume bypass module for bypassing the air volume of the indoor fan, and the control method comprises the following steps:
acquiring the operation parameters of the indoor unit and/or the current indoor environment parameters in the process that the air conditioner operates in a refrigeration mode;
controlling the air volume bypass module according to the operating parameters of the indoor unit to adjust the air volume of the indoor fan passing through the indoor heat exchanger, or
Controlling the air quantity bypass module according to the operating parameters of the indoor unit and the current indoor environment parameters so as to adjust the air quantity of the indoor fan passing through the indoor heat exchanger;
the operation parameters of the indoor unit comprise starting and stopping frequency of the indoor unit, and the current indoor environment parameters comprise current indoor environment temperature.
6. The indoor unit control method of an air conditioner according to claim 5, wherein when the on-off frequency of the indoor unit is greater than a first preset frequency, the opening degree of the air volume bypass module is controlled to be increased to reduce the air volume passing through the indoor heat exchanger;
or when the starting and stopping frequency of the indoor unit is greater than a first preset frequency and the temperature difference between the current indoor environment temperature and the set target temperature is less than a first preset temperature, the opening of the air volume bypass module is controlled to be increased so as to reduce the air volume passing through the indoor heat exchanger.
7. The indoor unit control method of an air conditioner according to claim 5 or 6, wherein the current indoor environment parameter further includes a current indoor environment humidity, wherein,
and when the temperature difference between the current indoor environment temperature and the set target temperature is less than a second preset temperature and the current indoor environment humidity is greater than a first preset humidity, the opening degree of the air volume bypass module is increased to reduce the air volume passing through the indoor heat exchanger.
8. A computer-readable storage medium having instructions stored therein, wherein when the instructions are executed, the air conditioner performs the indoor unit control method according to any one of claims 5 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812823.8A CN107477802B (en) | 2017-09-11 | 2017-09-11 | Air conditioner and indoor unit control device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812823.8A CN107477802B (en) | 2017-09-11 | 2017-09-11 | Air conditioner and indoor unit control device and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107477802A CN107477802A (en) | 2017-12-15 |
| CN107477802B true CN107477802B (en) | 2020-04-03 |
Family
ID=60583930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710812823.8A Active CN107477802B (en) | 2017-09-11 | 2017-09-11 | Air conditioner and indoor unit control device and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477802B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751740A (en) * | 2018-12-12 | 2019-05-14 | 广东美的暖通设备有限公司 | For the control method of multi-gang air-conditioner, device, outdoor unit and multi-gang air-conditioner |
| CN112577156B (en) * | 2019-09-29 | 2022-05-31 | 广东美的制冷设备有限公司 | Control method and device of air conditioner, air conditioner and electronic equipment |
| CN114909312B (en) * | 2021-12-23 | 2023-09-15 | 国网宁夏电力有限公司超高压公司 | Fan control method and system of air cooling system and electronic equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948845A (en) * | 2005-10-11 | 2007-04-18 | 富士通将军股份有限公司 | Air conditioner |
| CN101031756A (en) * | 2004-09-30 | 2007-09-05 | 美克司株式会社 | Ventilator and building |
| CN101149168A (en) * | 2006-09-21 | 2008-03-26 | 海尔集团公司 | Temperature-fixing dehumidifying air conditioner and control method thereof |
| JP2015078796A (en) * | 2013-10-17 | 2015-04-23 | ダイキン工業株式会社 | Air conditioner |
| CN104990229A (en) * | 2015-07-28 | 2015-10-21 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
| CN105987485A (en) * | 2016-07-05 | 2016-10-05 | 美的集团武汉制冷设备有限公司 | Air conditioner and control method and system thereof |
| CN106662355A (en) * | 2014-07-04 | 2017-05-10 | 三菱电机株式会社 | Air-conditioning and ventilation apparatus |
-
2017
- 2017-09-11 CN CN201710812823.8A patent/CN107477802B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101031756A (en) * | 2004-09-30 | 2007-09-05 | 美克司株式会社 | Ventilator and building |
| CN1948845A (en) * | 2005-10-11 | 2007-04-18 | 富士通将军股份有限公司 | Air conditioner |
| CN101149168A (en) * | 2006-09-21 | 2008-03-26 | 海尔集团公司 | Temperature-fixing dehumidifying air conditioner and control method thereof |
| JP2015078796A (en) * | 2013-10-17 | 2015-04-23 | ダイキン工業株式会社 | Air conditioner |
| CN106662355A (en) * | 2014-07-04 | 2017-05-10 | 三菱电机株式会社 | Air-conditioning and ventilation apparatus |
| CN104990229A (en) * | 2015-07-28 | 2015-10-21 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
| CN105987485A (en) * | 2016-07-05 | 2016-10-05 | 美的集团武汉制冷设备有限公司 | Air conditioner and control method and system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107477802A (en) | 2017-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107477803B (en) | Air conditioner and its control method, device | |
| CN107664340B (en) | Air conditioner and control method and device thereof | |
| CN107860103B (en) | Control method and device of multi-split system and system with control device | |
| CN107940827B (en) | Multi-split air conditioning system and refrigerant distribution control method and device thereof | |
| CN107940826B (en) | Multi-split air conditioning system and refrigerant distribution control method and device thereof | |
| CN107621053B (en) | Air conditioner and humidity control method and device thereof | |
| EP3318808A1 (en) | Multi-split type air conditioner system controlling both temperature and humidity and control method thereof | |
| WO2019105028A1 (en) | Air conditioner and control method and device thereof | |
| CN107676921B (en) | Air conditioner and humidity control method and device thereof | |
| CN107490153B (en) | Air conditioner and humidity control method and device thereof | |
| CN107477804B (en) | Air conditioner and humidity control method and device thereof | |
| CN107477802B (en) | Air conditioner and indoor unit control device and method thereof | |
| CN203869265U (en) | Air-conditioning machine | |
| CN107421079B (en) | Air conditioner and control method and device thereof | |
| CN104949207A (en) | Temperature-humidity double-control type air conditioner system and control method thereof | |
| CN109945564A (en) | The oil return method and oil return apparatus of multi-line system and its compressor | |
| CN105757893A (en) | Heat exchange control method of multi-unit system and outdoor heat exchanger thereof | |
| CN107436021B (en) | air conditioner and humidity control method and device thereof | |
| CN111520872A (en) | Anti-condensation control method and device and air conditioner | |
| CN109955676A (en) | A kind of air-conditioner control system and method | |
| CN108195041B (en) | Air conditioner and control method and device thereof | |
| CN115727478A (en) | Air conditioning unit frostless control method and system and air conditioner | |
| CN107101298B (en) | The windscreen control method for correcting and device of multi-line system and its outdoor fan | |
| CN115751514A (en) | Air conditioning system and reheating and dehumidifying control method of air conditioning system | |
| CN112728655B (en) | Outdoor unit electric control temperature rise control method and device and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |