CN117628674A - Electronic expansion valve control method and device of air conditioner and air conditioner - Google Patents
Electronic expansion valve control method and device of air conditioner and air conditioner Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention discloses an electronic expansion valve control method and device of an air conditioner and the air conditioner, and relates to the technical field of air conditioners, wherein the electronic expansion valve control method of the air conditioner comprises the following steps: when the air conditioner is in the sectional air supply mode operation, detecting a current air supply mode without wind sense of the air conditioner; determining an initial target opening of the electronic expansion valve based on an air supply area corresponding to the air supply mode without wind sense; wherein the initial target opening degree is positively correlated with the air supply area; the opening degree of the electronic expansion valve is controlled to be the initial target opening degree. According to the invention, the refrigerant flow in the pipeline can be adaptively adjusted according to the air supply area of the current air supply mode without wind sense, so that the air supply quantity of the indoor unit is adjusted, the air outlet requirements of different air outlets are met, the air outlet temperature of the air outlet is ensured to be constant, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an electronic expansion valve control method and device of an air conditioner and the air conditioner.
Background
Along with the gradual increase of the requirements of people on the comfort of the air conditioner, a cabinet air conditioner for controlling the air outlets of the air conditioner to supply air respectively has been developed at present, wherein the air outlet mode of one or more sections of air outlets of the air conditioner can be set to be in a windless mode, the air outlet modes of other air outlets are in a conventional air supply mode, the air outlets in the windless mode are usually closed to the left air deflector and the right air deflector, and the windless effect is realized by utilizing the micropore air outlet on the air deflector. In the operation process of the non-wind sense mode, when the positions or the number of the air outlets for carrying out the non-wind sense air supply change, the positions and the sizes of the air outlets in the conventional air supply mode also change, for example, in a refrigeration mode, when the air outlets in the conventional air supply mode are smaller, the air outlet temperature is lower, when the air outlets in the conventional air supply mode are larger, the air outlet temperature is higher, when the air outlets in different numbers or positions carry out the conventional air supply, the air outlet and the air outlet temperature are different, the constancy of the air outlet temperature cannot be realized, and the user experience is influenced.
Disclosure of Invention
In order to solve the problems, the invention provides a control method and a control device for an electronic expansion valve of an air conditioner, and the air conditioner, which can adaptively adjust the flow of a refrigerant in a pipeline according to the size of an air supply area of a current air supply mode without wind sense, so as to adjust the air supply quantity of an indoor unit, meet the air output requirements of different air outlets, further ensure the constant air output temperature of the air outlets, and improve the user experience.
According to an embodiment of the present invention, in one aspect, there is provided a method for controlling an electronic expansion valve of an air conditioner, including: when the air conditioner is in the sectional air supply mode operation, detecting a current air supply mode without wind sense of the air conditioner; determining an initial target opening of the electronic expansion valve based on the air supply area corresponding to the air supply mode without wind sense; wherein the initial target opening is positively correlated with the air supply area; and controlling the opening of the electronic expansion valve to be the initial target opening.
Through adopting above-mentioned technical scheme, when the air conditioner is in segmentation air supply mode operation, the initial target aperture of electronic expansion valve is confirmed according to the air supply area that does not have wind sense air supply mode and corresponds, can be according to the air supply area size self-adaptation adjustment pipeline of current no wind sense air supply mode's refrigerant flow, thereby the air supply of adjustment indoor set is positive correlation with the air supply area through controlling initial target aperture, when the air supply area increases, can increase the air supply, satisfy the air output requirement of different air outlets, thereby guarantee the air outlet constant temperature of air outlet, user experience has been promoted.
Preferably, the air supply mode without wind sensation includes a conventional air outlet and an air outlet without wind sensation, and the step of determining the initial target opening of the electronic expansion valve based on the air supply area corresponding to the air supply mode without wind sensation includes:
and calculating the area proportion of the area of the conventional air outlet in the air supply mode without the wind sense to the total air outlet area, and determining the initial target opening of the electronic expansion valve based on the area proportion.
By adopting the technical scheme, the area proportion of the conventional air outlet area to the total air outlet area is calculated, and the initial target opening of the electronic expansion valve is determined based on the area proportion, so that the air outlet quantity of the indoor unit can be regulated according to the change condition of the air outlet area, the air outlet temperature is kept constant, and the rationality of air outlet temperature control is improved.
Preferably, the initial target opening=p 0 * X is Y; wherein P is 0 And the opening degree of the electronic expansion valve corresponding to the area ratio of 1 is represented by X, the area ratio is represented by Y, and the frequency correction coefficient is positively correlated with the frequency of the compressor.
By adopting the technical scheme, the initial target opening of the electronic expansion valve is calculated based on the product of the opening of the electronic expansion valve, the area proportion and the frequency correction coefficient in the conventional full-open mode, so that the calculated initial target opening of the electronic expansion valve is more in line with the actual running condition of the air conditioner, and meanwhile, the air supply quantity requirements of different air outlet areas are met, and the running effect of the air conditioner is improved.
Preferably, the electronic expansion valve control method further includes: monitoring the coil temperature of an indoor evaporator, and obtaining the target coil temperature of the indoor evaporator; when the electronic expansion valve runs for a first preset time period at the initial target opening, calculating a temperature difference value between the current coil temperature and the target coil temperature; and correcting the opening of the electronic expansion valve based on the temperature difference value.
Through adopting above-mentioned technical scheme, after the air conditioner operation a period, correct the aperture of electronic expansion valve based on the temperature difference of current coil pipe temperature and target coil pipe temperature to when making air-out temperature invariable, current coil pipe temperature can reach target coil pipe temperature fast, guarantees the heat transfer demand of indoor set, and then satisfies the user demand.
Preferably, the step of correcting the opening of the electronic expansion valve based on the temperature difference value includes:
and judging whether the temperature difference is equal to 0, and if the temperature difference is not equal to 0, controlling the target opening of the electronic expansion valve to be increased or decreased to a first preset opening.
By adopting the technical scheme, when the temperature difference between the current coil temperature and the target coil temperature is not equal to 0, the opening of the electronic expansion valve is controlled to be increased or decreased, so that the actual coil temperature gradually approaches the target coil temperature, and the running stability of the air conditioner is improved.
Preferably, the first preset opening=initial target opening+ +Δt×k; wherein DeltaT is the temperature difference, K is a temperature difference correction coefficient, and the temperature difference correction coefficient and the temperature difference are positively correlated.
Preferably, the electronic expansion valve control method further includes: and if the temperature difference is equal to 0, controlling the opening of the electronic expansion valve to be unchanged.
By adopting the technical scheme, the opening degree of the control electronic expansion valve is kept unchanged when the temperature difference value is equal to 0, so that the constant air outlet temperature can be ensured when different air outlets are used for discharging air, the temperature of the coil pipe is always close to the target coil pipe temperature, and the control reliability of the electronic expansion valve of the air conditioner is improved.
According to an embodiment of the present invention, there is provided an electronic expansion valve control apparatus for an air conditioner, including: the detection module is used for detecting a current windless air supply mode of the air conditioner when the air conditioner is in the sectional air supply mode; the determining module is used for determining the initial target opening of the electronic expansion valve based on the air supply area corresponding to the air supply mode without wind sense; and the control module is used for controlling the opening of the electronic expansion valve to be the initial target opening.
According to an embodiment of the present invention, there is provided an air conditioner including: a multi-segment air outlet, a computer readable storage medium storing a computer program and a processor, the computer program implementing the method of any of the first aspects when read and run by the processor.
According to an embodiment of the present invention, there is provided in a further aspect a computer readable storage medium storing a computer program which, when read and executed by a processor, implements a method according to any one of the first aspects.
The invention has the following beneficial effects: when the air conditioner is in the segmented air supply mode, the initial target opening of the electronic expansion valve is determined according to the air supply area corresponding to the air supply mode without wind sense, and the refrigerant flow in the pipeline can be adaptively adjusted according to the air supply area of the current air supply mode without wind sense, so that the air supply quantity of the indoor unit is adjusted, the initial target opening is positively correlated with the air supply area through control, when the air supply area is increased, the air supply quantity can be increased, the air outlet quantity requirement of each air outlet is met, the air outlet temperature of the air outlet is ensured to be constant, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a flow chart of a control method of an electronic expansion valve of an air conditioner;
fig. 2 is a schematic structural diagram of an electronic expansion valve control device of an air conditioner according to the present invention.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
The embodiment provides a control method of an electronic expansion valve of an air conditioner, which can be applied to the air conditioner, wherein the air conditioner comprises a plurality of sections of air outlets, and the method mainly comprises the following steps S102 to S106, referring to a flow chart of the control method of the electronic expansion valve of the air conditioner shown in FIG. 1:
step S102: when the air conditioner is in the sectional air supply mode operation, detecting a current air supply mode without wind sense of the air conditioner;
when the air conditioner is started, if a segmented air supply mode instruction sent by a user is received, detecting a current air supply mode without wind sense of the air conditioner according to the opening and closing states of air outlets of all segments or the segmented air supply mode instruction of the user.
For example, the air conditioner comprises an upper section of air outlet, a middle section of air outlet and a lower section of air outlet, wherein the upper section, the middle section and the lower section of air outlet correspond to the upper section, the middle section and the lower section of air outlet, the upper section, the middle section and the lower section of air guide plates are respectively controlled by the upper section, the middle section and the lower section of motors, and each of the left section and the right section of air guide plates can be independently closed and opened. The left air guide plate and the right air guide plate are provided with micropores, when the left air guide plate and the right air guide plate are closed, the air outlet can blow out from the micropores on the air guide plates at a low speed, and the air outlet without the wind sense function is realized. The above-mentioned no wind sense air supply mode may include 8 air supply modes:
(1) upper no sense of wind mode: the left and right air deflectors at the upper section are closed, and the left and right air deflectors at the middle section and the left and right air deflectors at the lower section are opened;
(2) medium no sense of wind mode: the left and right air deflectors in the middle section are closed, and the left and right air deflectors in the upper section and the left and right air deflectors in the lower section are opened;
(3) lower no sense of wind mode: the left and right air deflectors at the lower section are closed, and the left and right air deflectors at the upper section and the left and right air deflectors at the middle section are opened;
(4) up and down no wind sense mode: the upper left and right air deflectors and the lower left and right air deflectors are closed, and the middle left and right air deflectors are opened;
(5) middle-lower no-wind mode: the left and right air deflectors in the middle section and the left and right air deflectors in the lower section are closed, and the left and right air deflectors in the upper section are opened;
(6) upper middle no sense of wind mode: the upper left and right air deflectors and the middle left and right air deflectors are closed, and the lower left and right air deflectors are opened;
(7) full no sense of wind mode: the upper left and right air deflectors, the middle left and right air deflectors and the lower left and right air deflectors are all closed;
(8) normal full on mode: the upper left and right air deflectors, the middle left and right air deflectors and the lower left and right air deflectors are all opened.
Step S104: determining an initial target opening of the electronic expansion valve based on an air supply area corresponding to the air supply mode without wind sense;
wherein the initial target opening degree is positively correlated with the air supply area; when the air supply area corresponding to the air supply mode without the wind sense set by the user is larger, the required air output is larger, and the initial target opening degree of the electronic expansion valve is controlled to be increased so as to increase the refrigerant flow in the indoor unit, thereby improving the refrigerating capacity or heating capacity and further increasing the air supply quantity so as to meet the air supply quantity requirement of the large-area air outlet.
Step S106: the opening degree of the electronic expansion valve is controlled to be the initial target opening degree.
The electronic expansion valve is controlled to operate according to the calculated initial target opening, so that the air outlet quantity can be adjusted according to different air outlet areas, and the air outlet temperature is constant when the air outlet areas are changed.
According to the control method for the electronic expansion valve of the air conditioner, when the air conditioner is in the segmented air supply mode, the initial target opening of the electronic expansion valve is determined according to the air supply area corresponding to the air supply mode without wind sense, and the refrigerant flow in the pipeline can be adaptively adjusted according to the air supply area of the current air supply mode without wind sense, so that the air supply quantity of the indoor unit is adjusted, the air supply quantity can be increased by controlling the initial target opening to be positively correlated with the air supply area, and when the air supply area is increased, the air supply quantity can be increased, the air supply quantity requirements of all air outlets can be met, the air outlet temperature of the air outlets can be guaranteed to be constant, and the user experience is improved.
In an embodiment, the air supply mode without wind sensation includes a conventional air outlet and an air outlet without wind sensation, and the embodiment provides a specific implementation manner of determining the initial target opening of the electronic expansion valve based on the air supply area corresponding to the air supply mode without wind sensation:
and calculating the area proportion of the area of the conventional air outlet in the air supply mode without wind sense to the total air outlet area, and determining the initial target opening of the electronic expansion valve based on the area proportion.
The conventional air outlet is an air outlet for opening the left air guide plate and the right air guide plate, and the air outlet without wind sensation is an air outlet for closing the left air guide plate and the right air guide plate. The air outlet quantity of the indoor unit can be adjusted according to the change condition of the air outlet area by calculating the area proportion of the conventional air outlet area to the total air outlet area and determining the initial target opening degree of the electronic expansion valve based on the area proportion, so that the air outlet temperature is kept constant, and the rationality of air outlet temperature control is improved.
In a specific embodiment, the initial target opening=p 0 *X*Y；
Wherein P is 0 The electronic expansion valve opening corresponding to the air supply mode is the area ratio 1 (namely the electronic expansion valve opening when the air supply mode is the normal full-open mode), X is the area ratio, Y is the frequency correction coefficient, the frequency correction coefficient is positively correlated with the frequency of the compressor, the value range of the frequency correction coefficient is 0-100%, and in order to meet the refrigerating or heating requirement of the air conditioner, the larger the frequency of the compressor is, the larger the value of the frequency correction coefficient is.
For example, the actual heights of the upper, middle and lower air outlets are set to be A%/B%/C% respectively, wherein the values of A, B and C are all 0-100, and A+B+C=100. When the air supply mode without wind sensation is the upper air supply mode without wind sensation, x= (b+c)/100×100%; when the air supply mode without wind sensation is the middle air sensation without wind sensation, x= (a+c)/100×100%; when the air supply mode without wind sensation is no wind sensation in the lower part, x= (a+b)/100×100%; when the air supply mode without wind sense is the upper middle air sense without wind sense, X=C/100X 100%; when the air supply mode without wind sense is up and down without wind sense, X=B/100×100%; when the no-wind-sensation air supply mode is the middle-lower no-wind-sensation mode, x=a/100.
The initial target opening degree of the electronic expansion valve is calculated based on the product of the opening degree of the electronic expansion valve, the area proportion and the frequency correction coefficient in the conventional full-open mode, so that the calculated initial target opening degree of the electronic expansion valve is more in line with the actual running condition of the air conditioner, meanwhile, the air supply quantity requirements of different air outlet areas are met, and the running effect of the air conditioner is improved.
In one embodiment, the method provided in this embodiment further includes the steps of:
step (1) monitoring the coil temperature of the indoor evaporator, and obtaining the target coil temperature of the indoor evaporator;
and detecting the coil temperature of the indoor evaporator in real time based on a temperature sensor arranged in the middle of the coil of the indoor unit, and acquiring a preset target coil temperature, or setting the target coil temperature corresponding to the evaporator under the current load demand according to the running mode of the air conditioner and the indoor environment temperature.
Step (2): when the electronic expansion valve runs for a first preset time period at the initial target opening, calculating a temperature difference value between the current coil temperature and the target coil temperature;
the value range of the first preset duration may be 3-10 min, and the preferred value is 5min. When the air conditioner is in the segmented air supply mode for a period of time, the current coil temperature T detected by the temperature sensor is obtained Pipe Calculating the current coil temperature and the target coil temperature T Tube 0 Temperature difference Δt=t of (2) Pipe -T Tube 0 。
Step (3): and correcting the opening of the electronic expansion valve based on the temperature difference.
The opening of the electronic expansion valve is corrected based on the temperature difference between the current coil temperature and the target coil temperature, so that the current coil temperature can reach the target coil temperature quickly when the air outlet temperature is constant, the heat exchange requirement of the indoor unit is guaranteed, and further the requirement of a user is met.
In a specific embodiment, it is determined whether the temperature difference is equal to 0, and if the temperature difference is not equal to 0, the opening of the electronic expansion valve is controlled to be increased or decreased to a first preset opening.
If the temperature difference between the current coil temperature and the target coil temperature is greater than 0, indicating that the current coil temperature is higher than the target coil temperature, and controlling the opening of the electronic expansion valve to be increased to a first preset opening; if the temperature difference between the current coil temperature and the target coil temperature is smaller than 0, the current coil temperature is lower than the target coil temperature, and the opening of the electronic expansion valve is controlled to be reduced to a first preset opening.
When the temperature difference between the current coil temperature and the target coil temperature is not equal to 0, the opening of the electronic expansion valve is controlled to be increased or decreased, so that the actual coil temperature gradually approaches the target coil temperature, and the running stability of the air conditioner is improved.
In a specific embodiment, the first preset opening=initial target opening+ +Δt×k; wherein DeltaT is a temperature difference value, K is a temperature difference correction coefficient, the value range of the temperature difference correction coefficient is 0-100%, the temperature difference correction coefficient is positively correlated with the temperature difference value, and the larger the temperature difference value is, the larger the temperature difference value is.
If the temperature difference between the current coil temperature and the target coil temperature is greater than 0, delta T is greater than 0, and the initial target opening is increased to a first preset opening; if the temperature difference between the current coil temperature and the target coil temperature is less than 0, delta T is less than 0, and the initial target opening is reduced to a first preset opening.
And if the temperature difference is equal to 0, controlling the opening of the electronic expansion valve to be unchanged. If the temperature difference between the current coil temperature and the target coil temperature is equal to 0, the current coil temperature is equal to the target coil temperature, the opening degree of the electronic expansion valve is controlled to be unchanged, the constant air outlet temperature can be ensured when different air outlets outlet air, the coil temperature can be always close to the target coil temperature, and the control reliability of the electronic expansion valve of the air conditioner is improved.
According to the control method of the electronic expansion valve of the air conditioner, which is provided by the embodiment, the air outlet temperature is adjusted according to the air outlet areas of different air outlets of the air conditioner, so that the air outlet temperature is constant when different air outlets outlet, and the user experience is improved.
Corresponding to the method for controlling the electronic expansion valve of the air conditioner provided in the above embodiment, the embodiment of the present invention provides an example of the method for controlling the electronic expansion valve of the air conditioner, which is specifically executed with reference to the following steps:
step 1, detecting indoor environment temperature T after an air conditioner is started Ring(s) Determining a target coil temperature T for an indoor evaporator Tube 0 And detecting the current coil temperature T of the indoor evaporator at any time Pipe 。
Step 2, detecting the sectional air supply modes of the left air deflector and the right air deflector, controlling the electronic expansion valve to be according to the initial target opening degree P Initially, the method comprises Run, P Initially, the method comprises ＝P 0 *X*Y；
P 0 And the opening degree of the electronic expansion valve is corresponding to the area ratio of 1, X is the ratio of the area of the non-air-sensing air outlet of the current sectional air supply mode to the area of the total air outlet, Y is a frequency correction coefficient, and the frequency correction coefficient is positively related to the frequency of the compressor.
When the air supply mode without wind sensation is the upper air supply mode without wind sensation, x= (b+c)/100×100%; when the air supply mode without wind sensation is the middle air sensation without wind sensation, x= (a+c)/100×100%; when the air supply mode without wind sensation is no wind sensation in the lower part, x= (a+b)/100×100%; when the air supply mode without wind sense is the upper middle air sense without wind sense, X=C/100X 100%; when the air supply mode without wind sense is up and down without wind sense, X=B/100×100%; when the no-wind-sensation air supply mode is the middle-lower no-wind-sensation mode, x=a/100.
Step 3, after the starting-up operation is performed for N minutes, determining a difference delta T between the current coil temperature and the target coil temperature, wherein delta T=T Pipe -T Tube 0 ；
Step 4, if DeltaT=0, controlling the opening of the electronic expansion valve to be unchanged; if Δt is not equal to 0, controlling the target opening of the electronic expansion valve to be p=p Initially, the method comprises +△T*K。
Delta T is the temperature difference between the current coil temperature and the target coil temperature, K is a temperature difference correction coefficient, and the temperature difference correction coefficient and the temperature difference are positively correlated.
Corresponding to the method for controlling the electronic expansion valve of the air conditioner provided by the above embodiment, the embodiment of the present invention provides an electronic expansion valve control device of an air conditioner, which can be applied to an air conditioner, referring to a schematic structural diagram of the electronic expansion valve control device of the air conditioner shown in fig. 2, the device includes the following modules:
the detection module 21 is configured to detect a non-wind-sensation air supply mode in which the air conditioner is currently located when the air conditioner is in the segmented air supply mode operation;
a determining module 22, configured to determine an initial target opening of the electronic expansion valve based on an air supply area corresponding to the air supply mode without wind sensation;
a control module 23 for controlling the opening of the electronic expansion valve to be the initial target opening.
According to the electronic expansion valve control device of the air conditioner, when the air conditioner is in the segmented air supply mode, the initial target opening of the electronic expansion valve is determined according to the air supply area corresponding to the air supply mode without wind sense, and the refrigerant flow in the pipeline can be adaptively adjusted according to the air supply area of the current air supply mode without wind sense, so that the air supply quantity of the indoor unit is adjusted, the air supply quantity can be increased by controlling the initial target opening to be positively correlated with the air supply area, and when the air supply area is increased, the air supply quantity can be increased, the air supply quantity requirements of all air outlets can be met, the air outlet temperature of the air outlets can be guaranteed to be constant, and the user experience is improved.
In one embodiment, the air supply mode without wind sensation includes a normal air outlet and a wind-sensation air outlet, and the determining module 22 is configured to calculate an area ratio of the normal air outlet area to the total air outlet area in the air supply mode without wind sensation, and determine the initial target opening of the electronic expansion valve based on the area ratio.
In one embodiment, the initial target opening=p 0 * X is Y; wherein P is 0 The opening degree of the electronic expansion valve corresponding to the area ratio of 1 is the area ratio, X is the frequency correction coefficient, and Y is the frequency correction coefficient which is positively correlated with the frequency of the compressor.
In one embodiment, the apparatus further comprises:
the correction module is used for monitoring the coil temperature of the indoor evaporator and obtaining the target coil temperature of the indoor evaporator; when the electronic expansion valve runs for a first preset time period at the initial target opening, calculating a temperature difference value between the current coil temperature and the target coil temperature; and correcting the opening of the electronic expansion valve based on the temperature difference.
In one embodiment, the correction module is configured to determine whether the temperature difference is equal to 0, and if the temperature difference is not equal to 0, control the target opening of the electronic expansion valve to increase or decrease to a first preset opening.
In one embodiment, the first preset opening=an initial target opening++Δt×k; wherein DeltaT is the temperature difference, K is the temperature difference correction coefficient, and the temperature difference correction coefficient and the temperature difference are positively correlated.
In one embodiment, the correction module is configured to control the opening of the electronic expansion valve to be unchanged if the temperature difference is equal to 0.
The electronic expansion valve control device of the air conditioner provided by the embodiment realizes that the air outlet temperature is regulated according to the air outlet areas of different air outlets of the air conditioner, so that the air outlet temperature is constant when different air outlets outlet air, and the user experience is improved.
Corresponding to the method for controlling the electronic expansion valve of the air conditioner provided in the above embodiment, the present embodiment provides an air conditioner, which includes: the electronic expansion valve control method for the air conditioner provided by the embodiment is realized when the computer program is read and run by the processor.
The present embodiment also provides a computer readable storage medium, on which a computer program is stored, where the computer program when executed by a processor implements each process of the above embodiment of the electronic expansion valve control method of an air conditioner, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.
Of course, it will be appreciated by those skilled in the art that implementing all or part of the above-described methods in the embodiments may be implemented by a computer level to instruct a control device, where the program may be stored in a computer readable storage medium, and the program may include the above-described methods in the embodiments when executed, where the storage medium may be a memory, a magnetic disk, an optical disk, or the like.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. The electronic expansion valve control device of the air conditioner and the air conditioner disclosed in the embodiments correspond to the electronic expansion valve control method of the air conditioner disclosed in the embodiments, so that the description is relatively simple, and relevant parts only refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.
Claims (10)
1. An electronic expansion valve control method of an air conditioner, comprising:
when the air conditioner is in the sectional air supply mode operation, detecting a current air supply mode without wind sense of the air conditioner;
determining an initial target opening of the electronic expansion valve based on the air supply area corresponding to the air supply mode without wind sense; wherein the initial target opening is positively correlated with the air supply area;
and controlling the opening of the electronic expansion valve to be the initial target opening.
2. The method of controlling an electronic expansion valve according to claim 1, wherein the air-blowing mode without air sense includes a normal air outlet and an air-blowing air outlet, and the step of determining the initial target opening degree of the electronic expansion valve based on the air-blowing area corresponding to the air-blowing mode without air sense includes:
and calculating the area proportion of the area of the conventional air outlet in the air supply mode without the wind sense to the total air outlet area, and determining the initial target opening of the electronic expansion valve based on the area proportion.
3. The electronic expansion valve control method according to claim 2, wherein the initial target opening = P 0 * X is Y; wherein P is 0 And the opening degree of the electronic expansion valve corresponding to the area ratio of 1 is represented by X, the area ratio is represented by Y, and the frequency correction coefficient is positively correlated with the frequency of the compressor.
4. The electronic expansion valve control method according to claim 1, further comprising:
monitoring the coil temperature of an indoor evaporator, and obtaining the target coil temperature of the indoor evaporator;
when the electronic expansion valve runs for a first preset time period at the initial target opening, calculating a temperature difference value between the current coil temperature and the target coil temperature;
and correcting the opening of the electronic expansion valve based on the temperature difference value.
5. The electronic expansion valve control method according to claim 4, wherein the step of correcting the opening degree of the electronic expansion valve based on the temperature difference value includes:
and judging whether the temperature difference is equal to 0, and if the temperature difference is not equal to 0, controlling the target opening of the electronic expansion valve to be increased or decreased to a first preset opening.
6. The electronic expansion valve control method according to claim 5, wherein the first preset opening = initial target opening +' Δt x K; wherein DeltaT is the temperature difference, K is a temperature difference correction coefficient, and the temperature difference correction coefficient and the temperature difference are positively correlated.
7. The electronic expansion valve control method according to claim 5, further comprising:
and if the temperature difference is equal to 0, controlling the opening of the electronic expansion valve to be unchanged.
8. An electronic expansion valve control device of an air conditioner, comprising:
the detection module is used for detecting a current windless air supply mode of the air conditioner when the air conditioner is in the sectional air supply mode;
the determining module is used for determining the initial target opening of the electronic expansion valve based on the air supply area corresponding to the air supply mode without wind sense;
and the control module is used for controlling the opening of the electronic expansion valve to be the initial target opening.
9. An air conditioner, comprising: a multi-segment air outlet and a computer readable storage medium and processor storing a computer program which, when read and run by the processor, implements the method of any one of claims 1-7.
10. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program which, when read and run by a processor, implements the method according to any of claims 1-7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311525509.3A CN117628674A (en) | 2023-11-15 | 2023-11-15 | Electronic expansion valve control method and device of air conditioner and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311525509.3A CN117628674A (en) | 2023-11-15 | 2023-11-15 | Electronic expansion valve control method and device of air conditioner and air conditioner |
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| CN117628674A true CN117628674A (en) | 2024-03-01 |
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| CN202311525509.3A Pending CN117628674A (en) | 2023-11-15 | 2023-11-15 | Electronic expansion valve control method and device of air conditioner and air conditioner |
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| CN (1) | CN117628674A (en) |
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- 2023-11-15 CN CN202311525509.3A patent/CN117628674A/en active Pending
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