CN106403184B

CN106403184B - The calculation method and device of electric expansion valve initial opening

Info

Publication number: CN106403184B
Application number: CN201610848498.6A
Authority: CN
Inventors: 田翔
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2016-09-23
Filing date: 2016-09-23
Publication date: 2019-03-19
Anticipated expiration: 2036-09-23
Also published as: CN106403184A

Abstract

The invention discloses the calculation methods and device of a kind of electric expansion valve initial opening.Wherein, this method comprises: starting operation of air conditioner judges whether air-conditioning runs on stable state in the case where electric expansion valve enters closed loop control mode；In operation of air conditioner in the case where stable state, the initial opening table of electric expansion valve is updated using new aperture, wherein new aperture environmental parameter according to locating for the current operating parameter of air-conditioning and/or air-conditioning obtains.The present invention solves in the prior art, and the electric expansion valve of air-conditioning is set as fixed value, leads to the technical problem that air-conditioning is low in initial operation stage efficiency.

Description

The calculation method and device of electric expansion valve initial opening

Technical field

The present invention relates to airconditioning control fields, in particular to a kind of calculation method of electric expansion valve initial opening And device.

Background technique

In the prior art, the initial opening of the electric expansion valve of air-conditioning is preset fixed aperture, and Fig. 1 is according to existing A kind of relation schematic diagram of the target operating frequency of the initial opening and air-conditioning of electric expansion valve of technology as shown in connection with fig. 1 can It the use of the initial opening that this kind of mode obtains is aperture corresponding with the target frequency of air-conditioning to know, F1 and F2 are preset Two frequencies, P1 and P2 are respectively aperture of the operation of air conditioner in the case of F1 and F2, are in F1 to F2 in the running frequency of air-conditioning Between in the case where, corresponding aperture can be obtained, for example, air-conditioning target operating frequency be F0 when, corresponding stabilization is opened Degree is P0.But the operating parameter of environment locating for air-conditioning and air-conditioning is all different when air-conditioning is opened every time, and air-conditioning is starting The running frequency of initial period be not target operating frequency, but just get to object run frequency through operation after a period of time Rate, therefore in air-conditioning in rigid starting operation, running frequency will lead to efficiency in also a period of time of miss the mark running frequency It is low.

For in the prior art, the electric expansion valve of air-conditioning is set as fixed value, causes air-conditioning in initial operation stage energy Low problem is imitated, currently no effective solution has been proposed.

Summary of the invention

The embodiment of the invention provides the calculation methods and device of a kind of electric expansion valve initial opening, existing at least to solve Have in technology, the electric expansion valve of air-conditioning is set as fixed value, leads to the technical problem that air-conditioning is low in initial operation stage efficiency.

According to an aspect of an embodiment of the present invention, a kind of calculation method of electric expansion valve initial opening is provided, is wrapped Include: starting operation of air conditioner judges whether air-conditioning runs on stable shape in the case where electric expansion valve enters closed loop control mode State；In operation of air conditioner in the case where stable state, the initial opening table of electric expansion valve is updated using new aperture, wherein New aperture environmental parameter according to locating for the current operating parameter of air-conditioning and/or air-conditioning obtains.

According to another aspect of an embodiment of the present invention, a kind of computing device of electric expansion valve initial opening is additionally provided, Include: judgment module, for starting operation of air conditioner, in the case where electric expansion valve enters closed loop control mode, judges air-conditioning Whether stable state is run on；Update module, in the case where stable state, being updated using new aperture in operation of air conditioner The initial opening table of electric expansion valve, wherein new aperture environment according to locating for the current operating parameter of air-conditioning and/or air-conditioning Parameter obtains.

It is according to an embodiment of the present invention in another aspect, additionally provide a kind of computing system of electric expansion valve initial opening, It include: parameter acquisition devices, for acquiring the environmental parameter of air-conditioning current operating parameter and air-conditioning local environment；Controller, It is connected with parameter acquisition devices, for starting operation of air conditioner, in the case where electric expansion valve enters closed loop control mode, judgement Whether air-conditioning runs on stable state, in operation of air conditioner in the case where stable state, updates electronic expansion using new aperture The initial opening table of valve, wherein new aperture environmental parameter according to locating for the current operating parameter of air-conditioning and/or air-conditioning obtains It arrives.

It is according to an embodiment of the present invention in another aspect, a kind of air conditioner is additionally provided, including any one of above-described embodiment The computing system of kind electric expansion valve initial opening.

In embodiments of the present invention, in the case where electric expansion valve enters closed loop control mode, judge whether air-conditioning is transported Row is in stable state, in operation of air conditioner in the case where stable state, updates initially opening for electric expansion valve using new aperture Spend table, wherein new aperture environmental parameter according to locating for the current operating parameter of air-conditioning and/or air-conditioning obtains.Above scheme, So that the initial opening table of electric expansion valve has the function of self study, constantly the value in table can be updated to and actual motion The more corresponding aperture of parameter, so that air-conditioning is in rigid operation, it will be able to according to current operating parameter in initial opening Corresponding aperture is found in table, and then is solved in the prior art, and the electric expansion valve of air-conditioning is set as fixed value, leads to air-conditioning In the low technical problem of initial operation stage efficiency, the technical effect for improving the efficiency of air-conditioning initial operation stage is reached.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:

Fig. 1 is a kind of relationship of the target operating frequency of the initial opening and air-conditioning of electric expansion valve according to prior art Schematic diagram；

Fig. 2 is the flow chart of the calculation method of electric expansion valve initial opening according to an embodiment of the present invention；

Fig. 3 is the result schematic diagram according to a kind of update the first initial opening table of the embodiment of the present application；

Fig. 4 is the result schematic diagram according to a kind of update the second initial opening table of the embodiment of the present application；

Fig. 5 is the schematic diagram according to a kind of computing device of electric expansion valve initial opening of the embodiment of the present application；And

Fig. 6 is the schematic diagram according to a kind of computing device of electric expansion valve initial opening of the embodiment of the present application.

Specific embodiment

In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.

It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that equipment is intrinsic.

Embodiment 1

According to embodiments of the present invention, a kind of embodiment of the calculation method of electric expansion valve initial opening is provided, is needed Illustrate, step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions It executes, although also, logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable Sequence executes shown or described step.

Fig. 2 is the flow chart of the calculation method of electric expansion valve initial opening according to an embodiment of the present invention, such as Fig. 2 institute Show, this method comprises the following steps:

Step S202, starting operation of air conditioner judge that air-conditioning is in the case where electric expansion valve enters closed loop control mode It is no to run on stable state.

In above-mentioned steps, electric expansion valve usually enters closed loop control mode in operation of air conditioner afterwards for a period of time, therefore It can judge whether air-conditioning runs on stable state after operation of air conditioner preset time；Whether air-conditioning runs on stable state can With whether stable by every operating parameter of detection air-conditioning, to determine whether air-conditioning runs on stable state.

Step S204 updates the first of electric expansion valve using new aperture in operation of air conditioner in the case where stable state Beginning aperture table, wherein new aperture environmental parameter according to locating for the current operating parameter of air-conditioning and/or air-conditioning obtains.

Specifically, above-mentioned initial opening table can be the aperture table comprising multiple default apertures, it is more in initial opening table A default aperture can be corresponding with the operating parameter of multiple air-conditionings, for example, the aperture in initial opening table can be in air-conditioning Running frequency is corresponding.

The operating parameter of air-conditioning may include the running frequency etc. of air-conditioning, and environmental parameter locating for air-conditioning may include air-conditioning The room temperature and outdoor temperature of local environment can also include the parameters such as the humidity of air-conditioning local environment.

In an alternative embodiment, after air-conditioning is opened, electric expansion valve with save in initial opening table with it is current The corresponding aperture operation of air conditioner operation parameters, enters closed-loop control system, and ambient stable locating for air-conditioning in electric expansion valve In the case where, new aperture is obtained according to the operating parameter of the air-conditioning at this moment, this new aperture is replaced into initial opening In table, aperture corresponding with current operating parameter, to have updated initial opening table.

Herein it should be noted that due to the step of new aperture is obtained in above-mentioned steps air-conditioning electric expansion valve into Enter closed loop control mode, and the new aperture for carrying out in the case that the running environment of air-conditioning is stablized, therefore getting is suitable for air-conditioning The corresponding aperture of operating parameter, when air-conditioning is again started up operation, electric expansion valve in updated aperture table using saving Aperture corresponding with current operation of air conditioner frequency operation.

Herein it should also be noted that, since initial opening table is summarized comprising the corresponding aperture of multiple operating parameters, and Be switched on every time it is stable after may can only update the corresponding aperture of an operating parameter, therefore above scheme provided by the present application It is the process of a progressive updating initial opening table, by updating the function of this self study gradually in the use process of air-conditioning Adjustment initial opening table.

From the foregoing, it will be observed that the application above-mentioned steps judge air-conditioning in the case where electric expansion valve enters closed loop control mode Whether stable state is run on, in operation of air conditioner in the case where stable state, updates electric expansion valve using new aperture Initial opening table, wherein new aperture environmental parameter according to locating for the current operating parameter of air-conditioning and/or air-conditioning obtains.On State scheme so that the initial opening table of electric expansion valve has the function of self study, can constantly by the value in table be updated to The more corresponding aperture of actual operation parameters, so that air-conditioning is in rigid operation, it will be able to be existed according to current operating parameter Corresponding aperture is found in initial opening table, and then is solved in the prior art, the electric expansion valve of air-conditioning is set as fixed value, Lead to the technical problem that air-conditioning is low in initial operation stage efficiency, reaches the technology for improving the efficiency of air-conditioning initial operation stage Effect.

Optionally, according to the above embodiments of the present application, judge whether air-conditioning runs on stable state, comprising: if pre- If indoor environment temperature locating for the running frequency of air-conditioning and air-conditioning and outdoor environment temperature meet following condition in the time, then Determine operation of air conditioner in stable state:

The difference of step S2021, the maximum frequency of operation of air-conditioning and minimum running frequency is less than or equal to predeterminated frequency difference value.

Specifically, above-mentioned predeterminated frequency difference value can be 4Hz, for example, in preset a period of time, the maximum operation of air-conditioning Frequency is F_max, minimum running frequency is F_min, meet (F_max-F_min)≤4Hz, then meet above-mentioned condition.

The difference of step S2023, the indoor maximum temperature of air-conditioning local environment and indoor minimum temperature is default less than first Temperature gap.

Specifically, above-mentioned first preset temperature difference can be 2 DEG C.

The difference of step S2025, the outdoor maximum temperature of air-conditioning local environment and outdoor minimum temperature is default less than second Temperature gap.

Specifically, above-mentioned second preset temperature difference may be 2 DEG C.

From the foregoing, it will be observed that above-mentioned steps propose for judge operation of air conditioner in the condition of stable state, operation of air conditioner in In the case where above-mentioned condition, it can be confirmed operation of air conditioner in stable environment.

Optionally, according to the above embodiments of the present application, before judging whether air-conditioning runs on stable state, method is also wrapped It includes:

Step S206 obtains electric expansion valve and corresponds to the first initial opening table of the first predeterminated frequency and corresponding to second Second initial opening table of predeterminated frequency.

Specifically, above-mentioned first predeterminated frequency can be lower running frequency, such as 30Hz, the second predeterminated frequency can be with It is higher running frequency, such as 60Hz.

In an alternative embodiment, table is first is that a kind of optional first initial opening table, in conjunction with shown in table one, inner ring Indicate the indoor environment temperature of air-conditioning local environment, outer ring indicates the outdoor environment temperature of air-conditioning local environment, for indoor ring Border temperature and outdoor environment temperature are all divided into several sections, in this example, are divided into (- ∞, 15), and [15,20), [20, 25), [25,30), [30,35), [35,40), [40 ,+∞), wherein the unit in each section is degree Celsius.Freeze low frequency F1 (ratio Such as F1=30Hz) stage corresponding initial opening P1_0 can be by indoor environment temperature and outdoor environment temperature in the first aperture Inquiry obtains in table.For table second is that a kind of optional second initial opening table, the division in parameter section is identical as table one, and freeze high frequency F2 (such as F2=60Hz) stage corresponding initial opening P2_0 can be searched by indoor environment temperature and outdoor environment temperature Second initial opening table obtains.

Table one

Table two

Step S208, in the case where air-conditioning is run for the first time, according to the running frequency of air-conditioning, indoor environment locating for air-conditioning It is swollen to obtain electronics when air-conditioning is run for the first time by the first initial opening table and the second initial opening table for temperature and outdoor environment temperature The aperture of swollen valve.

From the foregoing, it will be observed that the application above-mentioned steps are obtained according to preset first initial opening table and the second initial opening table The initial opening of electric expansion valve when air-conditioning is run for the first time.

Optionally, according to the above embodiments of the present application, according to the running frequency of the air-conditioning, interior locating for the air-conditioning Environment temperature and outdoor environment temperature obtain the air-conditioning by the first initial opening table and the second initial opening table The aperture of electric expansion valve when first operation, comprising:

Step S2081 obtains the aperture of the electric expansion valve when air-conditioning is run for the first time by following formula:

The P₀Electric expansion valve when for indicating that the air-conditioning is run for the first time Aperture, the F₀For indicating the running frequency of the air-conditioning, the P₁For indicating described in the first initial opening table The corresponding aperture of indoor environment temperature and outdoor environment temperature that air-conditioning is presently in, the P₂For indicating that described second is initial The corresponding aperture of indoor environment temperature and outdoor environment temperature that air-conditioning described in aperture table is presently in, the F₁For indicating First predeterminated frequency, the F₂For indicating second predeterminated frequency.

In an alternative embodiment, in conjunction with shown in table one and table two, with indoor environment locating for air-conditioning for 26 DEG C, room External environment is 37 DEG C, running frequency 45Hz, and the first predeterminated frequency is 30Hz, and the second predeterminated frequency is 60Hz as an example, logical Inquiry table one is crossed with table two it is found that inquiring to obtain the corresponding aperture P of temperature outside current indoor in the first initial opening table₁=P_{1_64}, Inquire to obtain the corresponding aperture P of temperature outside current indoor in the second initial opening table₂=P_{2_64}, then when air-conditioning is run for the first time described in The aperture of electric expansion valve

Optionally, according to the above embodiments of the present application, the initial opening table of electric expansion valve, packet are updated using new aperture It includes:

Step S2041 obtains indoor environment temperature and outdoor environment temperature locating for the current running frequency of air-conditioning, air-conditioning Degree.

Specifically, the step of due to the above-mentioned initial opening table for updating electric expansion valve using new aperture, is in electronic expansion Valve, which enters in the case that closed-loop control and operation of air conditioner are stablized, to carry out, therefore locating for the current running frequency of above-mentioned air-conditioning, tune Parameter when indoor environment temperature and outdoor environment temperature are operation of air conditioner ambient stable.

Step S2043, in the case where the running frequency of air-conditioning is less than third predeterminated frequency, according to the running frequency of air-conditioning New aperture is obtained, and updates the indoor environment temperature and room that air-conditioning is presently in the first original frequency table using new aperture The corresponding aperture of external environment temperature.

Step S2045, in the case where the running frequency of air-conditioning is greater than or equal to third predeterminated frequency, according to the fortune of air-conditioning Line frequency obtains new aperture, and updates the indoor environment temperature that air-conditioning is presently in the second original frequency table using new aperture Spend aperture corresponding with outdoor environment temperature；

Wherein, the second predeterminated frequency is greater than the first predeterminated frequency, and third predeterminated frequency is according to the first predeterminated frequency and second Predeterminated frequency obtains.

Specifically, above-mentioned third predeterminated frequency can be the average value of the first predeterminated frequency and the second predeterminated frequency, in sky In the case that the running frequency of tune is less than third predeterminated frequency, the first initial opening is updated using the new aperture being calculated Corresponding aperture in table, in the case where the running frequency of air-conditioning is greater than or equal to third predeterminated frequency, using being calculated New aperture update corresponding aperture in the second initial opening table.

Optionally, according to the above embodiments of the present application, in the case where the running frequency of air-conditioning is less than third predeterminated frequency, New aperture is obtained according to the running frequency of air-conditioning, comprising:

New aperture is obtained by following formula:

Wherein, P_{1_xy}For indicating the new aperture in the case that the running frequency of air-conditioning is less than third predeterminated frequency, F₁With In indicating the first predeterminated frequency, F₂For indicating the second predeterminated frequency, F_steadyFor indicating the current operation frequency of air-conditioning, P_steadyFor the current aperture of electric expansion valve, P₁For indicating air-conditioning is presently in the first initial opening table indoor environment Temperature and the corresponding aperture of outdoor environment temperature, P₂For indicating air-conditioning is presently in the second initial opening table indoor environment Temperature and the corresponding aperture of outdoor environment temperature.

It in an alternative embodiment, with the first predeterminated frequency, the second predeterminated frequency is respectively still that 30Hz, 60Hz are Example, then third predeterminated frequency is 45Hz, is 33Hz in air-conditioning current operation frequency, and indoor environment locating for air-conditioning is 26 DEG C, In the case that outdoor environment is 37 DEG C, new aperture

Fig. 3 is according to a kind of result schematic diagram of update the first initial opening table of the embodiment of the present application, and Fig. 4 is according to this Apply for a kind of result schematic diagram of update the second initial opening table of embodiment, F₁For indicating the first predeterminated frequency, F₂For table Show the second predeterminated frequency, P₁For indicating air-conditioning is presently in the first initial opening table indoor environment temperature and outdoor environment The corresponding aperture of temperature, P₂For indicating air-conditioning is presently in the second initial opening table indoor environment temperature and outdoor environment The corresponding aperture of temperature, as shown in connection with fig. 3, since the above process enters in electric expansion valve the operation ring of closed-loop control and air-conditioning Border carries out in the case where stablizing, therefore the current running frequency of air-conditioning is stable running frequency F_steady, current aperture As stable aperture P_steady, after having updated the first initial opening table, it is less than the default operation frequency of third in the running frequency of air-conditioning In the case where rate, corresponding aperture in initial opening table before the aperture of electric expansion valve is greater than, and compared with aperture before, root Variation according to the running frequency of air-conditioning is more steady, the aperture when the running frequency of air-conditioning reaches the second predeterminated frequency with before It is identical.

From the foregoing, it will be observed that formula of the application above-mentioned steps by the new aperture of calculating, has obtained initial for replacing first The new aperture of corresponding aperture in aperture table, to enable air-conditioning in the aperture of initial operation stage electric expansion valve in sky The operating parameter of tune is corresponding, and then improves air-conditioning in the efficiency of initial operation stage, solves in the prior art, the electronics of air-conditioning Expansion valve is set as fixed value, leads to the technical problem that air-conditioning is low in initial operation stage efficiency.

Optionally, according to the above embodiments of the present application, it is greater than or equal to third predeterminated frequency in the running frequency of air-conditioning In the case of, new aperture is obtained according to the running frequency of air-conditioning, comprising:

New aperture is obtained by following formula:

Wherein, P_{2_xy}It new is opened for indicate in the case that the running frequency of air-conditioning is greater than or equal to third predeterminated frequency Degree, F₁For indicating the first predeterminated frequency, F₂For indicating the second predeterminated frequency, F_steadyFor indicating the current operation frequency of air-conditioning Rate, P_steadyFor the current aperture of electric expansion valve, P₁For indicating air-conditioning is presently in the first initial opening table indoor ring Border temperature and the corresponding aperture of outdoor environment temperature, P₂For indicating air-conditioning is presently in the second initial opening table indoor ring Border temperature and the corresponding aperture of outdoor environment temperature.

It in an alternative embodiment, with the first predeterminated frequency, the second predeterminated frequency is respectively still that 30Hz, 60Hz are Example, then third predeterminated frequency is 45Hz, is 57Hz in air-conditioning current operation frequency, and indoor environment locating for air-conditioning is 26 DEG C, In the case that outdoor environment is 37 DEG C, new aperture

Fig. 4 is according to a kind of result schematic diagram of update the second initial opening table of the embodiment of the present application, F₁For indicating First predeterminated frequency, F₂For indicating the second predeterminated frequency, P₁For indicating air-conditioning is presently in the first initial opening table room Interior environment temperature and the corresponding aperture of outdoor environment temperature, P₂For indicating air-conditioning is presently in the second initial opening table room Interior environment temperature and the corresponding aperture of outdoor environment temperature are closed since the above process enters in electric expansion valve as shown in connection with fig. 4 The running environment of ring control and air-conditioning carries out in the case where stablizing, therefore the current running frequency of air-conditioning is stable operation Frequency F_steady, current aperture is to stablize aperture P_steady, after having updated the second initial opening table, in the operation frequency of air-conditioning It is corresponding in initial opening table before the aperture of electric expansion valve is greater than in the case that rate is greater than or equal to third preset operating frequency Aperture, and aperture with before is identical when the running frequency of air-conditioning is the first predeterminated frequency.

From the foregoing, it will be observed that formula of the application above-mentioned steps by the new aperture of calculating, has obtained initial for replacing second The new aperture of corresponding aperture in aperture table, to enable air-conditioning in the aperture of initial operation stage electric expansion valve in sky The operating parameter of tune is corresponding, and then improves air-conditioning in the efficiency of initial operation stage, solves in the prior art, the electronics of air-conditioning Expansion valve is set as fixed value, leads to the technical problem that air-conditioning is low in initial operation stage efficiency.

Embodiment 2

According to embodiments of the present invention, a kind of embodiment of the computing device of electric expansion valve initial opening is provided, Fig. 5 is According to a kind of schematic diagram of the computing device of electric expansion valve initial opening of the embodiment of the present application, as shown in connection with fig. 5, the device Include:

Judgment module 50, for starting operation of air conditioner, in the case where electric expansion valve enters closed loop control mode, judgement Whether air-conditioning runs on stable state.

In above-mentioned apparatus, electric expansion valve usually enters closed loop control mode in operation of air conditioner afterwards for a period of time, therefore It can judge whether air-conditioning runs on stable state after operation of air conditioner preset time；Whether air-conditioning runs on stable state can With whether stable by every operating parameter of detection air-conditioning, to determine whether air-conditioning runs on stable state.

Update module 52, in the case where the stable state, being updated using new aperture in the operation of air conditioner The initial opening table of the electric expansion valve, wherein the new aperture is according to the current operating parameter of the air-conditioning and/or institute Environmental parameter locating for air-conditioning is stated to obtain.

From the foregoing, it will be observed that the application above-mentioned apparatus judges air-conditioning in the case where electric expansion valve enters closed loop control mode Whether stable state is run on, in operation of air conditioner in the case where stable state, updates electric expansion valve using new aperture Initial opening table, wherein new aperture environmental parameter according to locating for the current operating parameter of air-conditioning and/or air-conditioning obtains.On State scheme so that the initial opening table of electric expansion valve has the function of self study, can constantly by the value in table be updated to The more corresponding aperture of actual operation parameters, so that air-conditioning is in rigid operation, it will be able to be existed according to current operating parameter Corresponding aperture is found in initial opening table, and then is solved in the prior art, the electric expansion valve of air-conditioning is set as fixed value, Lead to the technical problem that air-conditioning is low in initial operation stage efficiency, reaches the technology for improving the efficiency of air-conditioning initial operation stage Effect.

Optionally, according to the above embodiments of the present application, if the judgment module is also used to air-conditioning within a preset time Indoor environment temperature locating for running frequency and air-conditioning and outdoor environment temperature meet following condition, it is determined that operation of air conditioner in Stable state:

The difference of the maximum frequency of operation of air-conditioning and minimum running frequency is less than or equal to predeterminated frequency difference value；

The difference of the indoor maximum temperature of air-conditioning local environment and indoor minimum temperature is less than the first preset temperature difference；

The difference of the outdoor maximum temperature of air-conditioning local environment and outdoor minimum temperature is less than the second preset temperature difference.

Optionally, according to embodiment in the application, described device further include:

Module is obtained, for obtaining electric expansion valve corresponding to the first initial opening table of the first predeterminated frequency and corresponding to Second initial opening table of the second predeterminated frequency；

Determining module, in the case where air-conditioning is run for the first time, according to the running frequency of air-conditioning, interior locating for air-conditioning Environment temperature and outdoor environment temperature are obtained electric when air-conditioning is run for the first time by the first initial opening table and the second initial opening table The aperture of sub- expansion valve.

Optionally, according to embodiment in the application, the determining module includes:

Computing module, for obtaining the aperture of electric expansion valve when air-conditioning is run for the first time by following formula:

P₁For indicating air-conditioning is presently in the first initial opening table interior Environment temperature and the corresponding aperture of outdoor environment temperature, P₂For indicating air-conditioning is presently in the second initial opening table interior Environment temperature and the corresponding aperture of outdoor environment temperature, F₁For indicating the first predeterminated frequency, F₂For indicating the second default frequency Rate.

Optionally, according to embodiment in the application, the update module includes:

Acquisition submodule, for obtaining indoor environment temperature locating for the current running frequency of air-conditioning, air-conditioning and outdoor ring Border temperature；

First update submodule, for the running frequency of air-conditioning be less than third predeterminated frequency in the case where, according to air-conditioning Running frequency obtain new aperture, and update the indoor ring that air-conditioning is presently in the first original frequency table using new aperture Border temperature and the corresponding aperture of outdoor environment temperature；

Second update submodule, for the running frequency of air-conditioning be greater than or equal to third predeterminated frequency in the case where, root New aperture is obtained according to the running frequency of air-conditioning, and updates what air-conditioning in the second original frequency table was presently in using new aperture Indoor environment temperature and the corresponding aperture of outdoor environment temperature；

Optionally, according to embodiment in the application, the first update submodule includes:

First computing unit, for obtaining new aperture by following formula:

Optionally, according to embodiment in the application, the second update submodule includes:

Second computing unit, for obtaining new aperture by following formula:

Wherein, P_{1_xy}It new is opened for indicate in the case that the running frequency of air-conditioning is greater than or equal to third predeterminated frequency Degree, F₁For indicating the first predeterminated frequency, F₂For indicating the second predeterminated frequency, F_steadyFor indicating the current operation frequency of air-conditioning Rate, P_steadyFor the current aperture of electric expansion valve, P₁For indicating air-conditioning is presently in the first initial opening table indoor ring Border temperature and the corresponding aperture of outdoor environment temperature, P₂For indicating air-conditioning is presently in the second initial opening table indoor ring Border temperature and the corresponding aperture of outdoor environment temperature.

Embodiment 3

According to embodiments of the present invention, a kind of embodiment of the computing system of electric expansion valve initial opening is provided, Fig. 6 is According to a kind of schematic diagram of the computing device of electric expansion valve initial opening of the embodiment of the present application, as shown in connection with fig. 6, the device Include:

Parameter acquisition devices 60, for acquiring the environmental parameter of air-conditioning current operating parameter and air-conditioning local environment.

Specifically, the operating parameter of above-mentioned air-conditioning may include the running frequency etc. of air-conditioning, environmental parameter locating for air-conditioning It may include the room temperature and outdoor temperature of air-conditioning local environment, can also include the parameters such as the humidity of air-conditioning local environment.

Controller 62, is connected with parameter acquisition devices, for starting operation of air conditioner, enters closed-loop control in electric expansion valve In the case where mode, judge whether air-conditioning runs on stable state, in operation of air conditioner in the case where stable state, using new The initial opening table of aperture update electric expansion valve, wherein new aperture is according to the current operating parameter of air-conditioning and/or air-conditioning institute The environmental parameter at place obtains.

In above system, electric expansion valve usually enters closed loop control mode in operation of air conditioner afterwards for a period of time, therefore It can judge whether air-conditioning runs on stable state after operation of air conditioner preset time；Whether air-conditioning runs on stable state can With whether stable by every operating parameter of detection air-conditioning, to determine whether air-conditioning runs on stable state.

Herein it should be noted that due to obtained in above system new aperture be air-conditioning electric expansion valve enter close Ring control model, and the new aperture for carrying out in the case that the running environment of air-conditioning is stablized, therefore getting is suitable for the fortune of air-conditioning The corresponding aperture of row parameter, when air-conditioning is again started up operation, electric expansion valve using save in updated aperture table with The currently corresponding aperture operation of operation of air conditioner frequency.

From the foregoing, it will be observed that the application above system judges air-conditioning in the case where electric expansion valve enters closed loop control mode Whether stable state is run on, in operation of air conditioner in the case where stable state, updates electric expansion valve using new aperture Initial opening table, wherein new aperture environmental parameter according to locating for the current operating parameter of air-conditioning and/or air-conditioning obtains.On State scheme so that the initial opening table of electric expansion valve has the function of self study, can constantly by the value in table be updated to The more corresponding aperture of actual operation parameters, so that air-conditioning is in rigid operation, it will be able to be existed according to current operating parameter Corresponding aperture is found in initial opening table, and then is solved in the prior art, the electric expansion valve of air-conditioning is set as fixed value, Lead to the technical problem that air-conditioning is low in initial operation stage efficiency, reaches the technology for improving the efficiency of air-conditioning initial operation stage Effect.

Optionally, according to embodiment in the application, fruit is within a preset time locating for the running frequency of air-conditioning and air-conditioning Indoor environment temperature and outdoor environment temperature meet following condition, it is determined that operation of air conditioner is in stable state:

Optionally, according to embodiment in the application, controller is also used to obtain electric expansion valve corresponding to the first default frequency First initial opening table of rate and the second initial opening table corresponding to the second predeterminated frequency；The case where air-conditioning is run for the first time Under, according to the running frequency of air-conditioning, indoor environment temperature and outdoor environment temperature locating for air-conditioning pass through the first initial opening table The aperture of electric expansion valve when air-conditioning is run for the first time is obtained with the second initial opening table.

Optionally, according to embodiment in the application, when controller is also used to obtain air-conditioning by following formula to run for the first time The aperture of electric expansion valve:

Optionally, according to embodiment in the application, controller is also used to obtain locating for the current running frequency of air-conditioning, air-conditioning Indoor environment temperature and outdoor environment temperature；In the case where the running frequency of air-conditioning is less than third predeterminated frequency, according to sky The running frequency of tune obtains new aperture, and updates the interior that air-conditioning is presently in the first original frequency table using new aperture Environment temperature and the corresponding aperture of outdoor environment temperature；The case where the running frequency of air-conditioning is greater than or equal to third predeterminated frequency Under, new aperture is obtained according to the running frequency of air-conditioning, and current using air-conditioning in new aperture the second original frequency table of update The locating corresponding aperture of indoor environment temperature and outdoor environment temperature；Wherein, the second predeterminated frequency is greater than the first predeterminated frequency, Third predeterminated frequency is obtained according to the first predeterminated frequency and the second predeterminated frequency.

Optionally, according to embodiment in the application, controller is also used to be less than the default frequency of third in the running frequency of air-conditioning In the case where rate, new aperture is obtained by following formula:

Optionally, according to embodiment in the application, controller is also used to be greater than or equal to third in the running frequency of air-conditioning In the case where predeterminated frequency, new aperture is obtained by following formula:

Embodiment 4

According to embodiments of the present invention, a kind of air conditioner is provided, including at the beginning of any one electric expansion valve in embodiment 3 The computing system of beginning aperture.

Air conditioner provided by the above embodiment judges that air-conditioning is in the case where electric expansion valve enters closed loop control mode It is no to run on stable state, in operation of air conditioner in the case where stable state, the first of electric expansion valve is updated using new aperture Beginning aperture table, wherein new aperture environmental parameter according to locating for the current operating parameter of air-conditioning and/or air-conditioning obtains.It is above-mentioned Value in table can be constantly updated to and real by scheme so that the initial opening table of electric expansion valve has the function of self study The more corresponding aperture of border operating parameter, so that air-conditioning is in rigid operation, it will be able to according to current operating parameter first Corresponding aperture is found in beginning aperture table.

Herein it should be noted that the computing system for the electric expansion valve initial opening for including due to above-mentioned air conditioner obtains New aperture be air-conditioning electric expansion valve enter closed loop control mode and air-conditioning running environment stablize in the case where into Row, therefore the new aperture got is suitable for the corresponding aperture of operating parameter of air-conditioning, when air-conditioning is again started up operation, electronics Expansion valve is run using the aperture corresponding with current operation of air conditioner frequency saved in updated aperture table.

Above-mentioned air conditioner has been able to solve in the prior art as a result, and the electric expansion valve of air-conditioning is set as fixed value, is caused The air-conditioning technical problem low in initial operation stage efficiency, and reach the technology effect for the efficiency for improving air-conditioning initial operation stage Fruit.

The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.

In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment The part of detailed description, reference can be made to the related descriptions of other embodiments.

In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module It connects, can be electrical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code Medium.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims

1. a kind of calculation method of electric expansion valve initial opening characterized by comprising

Starting operation of air conditioner judges whether the air-conditioning runs in the case where electric expansion valve enters closed loop control mode Stable state；

In the operation of air conditioner in the case where stable state, the initial of the electric expansion valve is updated using new aperture Aperture table, wherein new aperture environmental parameter according to locating for the current operating parameter of the air-conditioning and/or the air-conditioning It obtains；

Wherein, before judging whether air-conditioning runs on stable state, the method also includes:

The electric expansion valve is obtained corresponding to the first initial opening table of the first predeterminated frequency and corresponds to the second predeterminated frequency The second initial opening table；

In the case where the air-conditioning is run for the first time, according to the running frequency of the air-conditioning, indoor environment locating for the air-conditioning It is first to obtain the air-conditioning by the first initial opening table and the second initial opening table for temperature and outdoor environment temperature The aperture of electric expansion valve when operation.

2. the method according to claim 1, wherein judging whether air-conditioning runs on stable state, comprising: if Indoor environment temperature and outdoor environment temperature locating for the running frequency of the air-conditioning and the air-conditioning are full within a preset time The following condition of foot, it is determined that the operation of air conditioner is in the stable state:

The difference of the maximum frequency of operation of the air-conditioning and minimum running frequency is less than or equal to predeterminated frequency difference value；

The difference of the indoor maximum temperature of the air-conditioning local environment and indoor minimum temperature is less than the first preset temperature difference；

The difference of the outdoor maximum temperature of the air-conditioning local environment and outdoor minimum temperature is less than the second preset temperature difference.

3. the method according to claim 1, wherein according to the running frequency of the air-conditioning, locating for the air-conditioning Indoor environment temperature and outdoor environment temperature, institute is obtained by the first initial opening table and the second initial opening table State the aperture of electric expansion valve when air-conditioning is run for the first time, comprising:

The aperture of the electric expansion valve when air-conditioning is run for the first time is obtained by following formula:

The P₀The aperture of electric expansion valve when for indicating that the air-conditioning is run for the first time, the F₀For indicating the sky The running frequency of tune, the P₁The indoor environment temperature being presently in for indicating air-conditioning described in the first initial opening table Aperture corresponding with outdoor environment temperature, the P₂For indicating what air-conditioning described in the second initial opening table was presently in Indoor environment temperature and the corresponding aperture of outdoor environment temperature, the F₁For indicating first predeterminated frequency, the F₂For Indicate second predeterminated frequency.

4. according to the method described in claim 3, it is characterized in that, updating the initial of the electric expansion valve using new aperture Aperture table, comprising:

Obtain indoor environment temperature and outdoor environment temperature locating for the current running frequency of the air-conditioning, the air-conditioning；

In the case where the running frequency of the air-conditioning is less than third predeterminated frequency, obtained newly according to the running frequency of the air-conditioning Aperture, and update the indoor environment temperature that air-conditioning described in the first initial opening table is presently in using the new aperture Spend aperture corresponding with outdoor environment temperature；

In the case where the running frequency of the air-conditioning is greater than or equal to the third predeterminated frequency, according to the operation of the air-conditioning Frequency obtains new aperture, and updates what air-conditioning described in the second initial opening table was presently in using the new aperture Indoor environment temperature and the corresponding aperture of outdoor environment temperature；

Wherein, second predeterminated frequency is greater than first predeterminated frequency, and the third predeterminated frequency is pre- according to described first If frequency and second predeterminated frequency obtain.

5. according to the method described in claim 4, it is characterized in that, the running frequency in the air-conditioning is less than third predeterminated frequency In the case where, new aperture is obtained according to the running frequency of the air-conditioning, comprising:

The new aperture is obtained by following formula:

Wherein, the P_{1_xy}For indicating the new aperture in the case that the running frequency of the air-conditioning is less than third predeterminated frequency, The F₁For indicating first predeterminated frequency, the F₂For indicating second predeterminated frequency, the F_steadyFor table Show the current operation frequency of the air-conditioning, the P_steadyFor the current aperture of the electric expansion valve, the P₁For indicating The indoor environment temperature and the corresponding aperture of outdoor environment temperature that air-conditioning described in the first initial opening table is presently in are stated, it is described P₂The indoor environment temperature and outdoor environment temperature pair being presently in for indicating air-conditioning described in the second initial opening table The aperture answered.

6. according to the method described in claim 4, it is characterized in that, the running frequency in the air-conditioning is greater than or equal to described the In the case where three predeterminated frequencies, new aperture is obtained according to the running frequency of the air-conditioning, comprising:

The new aperture is obtained by following formula:

Wherein, the P_{2_xy}In the case where indicating that the running frequency of the air-conditioning is greater than or equal to the third predeterminated frequency New aperture, the F₁For indicating first predeterminated frequency, the F₂It is described for indicating second predeterminated frequency F_steadyFor indicating the current operation frequency of the air-conditioning, the P_steadyIt is described for the current aperture of the electric expansion valve P₁The indoor environment temperature and outdoor environment temperature pair being presently in for indicating air-conditioning described in the first initial opening table The aperture answered, the P₂For indicating indoor environment temperature and room that air-conditioning described in the second initial opening table is presently in The corresponding aperture of external environment temperature.

7. a kind of computing device of electric expansion valve initial opening characterized by comprising

Judgment module, in the case where electric expansion valve enters closed loop control mode, judges the sky for starting operation of air conditioner It adjusts and whether runs on stable state；

Update module, in the case where the stable state, updating the electricity using new aperture in the operation of air conditioner The initial opening table of sub- expansion valve, wherein the new aperture is according to the current operating parameter of the air-conditioning and/or the air-conditioning Locating environmental parameter obtains；

Described device further include:

Module is obtained, for obtaining electric expansion valve corresponding to the first initial opening table of the first predeterminated frequency and corresponding to second Second initial opening table of predeterminated frequency；

Determining module, in the case where air-conditioning is run for the first time, according to the running frequency of air-conditioning, indoor environment locating for air-conditioning It is swollen to obtain electronics when air-conditioning is run for the first time by the first initial opening table and the second initial opening table for temperature and outdoor environment temperature The aperture of swollen valve.

8. a kind of computing system of electric expansion valve initial opening characterized by comprising

Parameter acquisition devices, for acquiring the environmental parameter of the current operating parameter of air-conditioning and the air-conditioning local environment；

Controller is connected with the parameter acquisition devices, for starting the operation of air conditioner, enters closed loop control in electric expansion valve In the case where molding formula, judge whether the air-conditioning runs on stable state, in the operation of air conditioner in the stable state In the case of, the initial opening table of the electric expansion valve is updated using new aperture, wherein the new aperture is according to the sky Environmental parameter locating for current operating parameter and/or the air-conditioning is adjusted to obtain；

The controller is also used to obtain the electric expansion valve corresponding to the first initial opening table of the first predeterminated frequency and right It should be in the second initial opening table of the second predeterminated frequency；In the case where the air-conditioning is run for the first time, according to the fortune of the air-conditioning Line frequency, indoor environment temperature and outdoor environment temperature locating for the air-conditioning, by the first initial opening table and described Second initial opening table obtains the aperture of the electric expansion valve when air-conditioning is run for the first time.

9. system according to claim 8, which is characterized in that if within a preset time the running frequency of the air-conditioning with And indoor environment temperature locating for the air-conditioning and outdoor environment temperature meet following condition, it is determined that the operation of air conditioner is in institute State stable state:

10. system according to claim 8, which is characterized in that

The controller is also used to obtain the aperture of the electric expansion valve when air-conditioning is run for the first time by following formula:

11. system according to claim 10, which is characterized in that

The controller is also used to obtain indoor environment temperature and room locating for the current running frequency of the air-conditioning, the air-conditioning External environment temperature；In the case where the running frequency of the air-conditioning is less than third predeterminated frequency, according to the operation of air-conditioning frequency Rate obtains new aperture, and updates the room that air-conditioning described in the first initial opening table is presently in using the new aperture Interior environment temperature and the corresponding aperture of outdoor environment temperature；It is default more than or equal to the third in the running frequency of the air-conditioning In the case where frequency, new aperture is obtained according to the running frequency of the air-conditioning, and updates described the using the new aperture The indoor environment temperature and the corresponding aperture of outdoor environment temperature that air-conditioning described in two initial opening tables is presently in；Wherein, institute The second predeterminated frequency is stated greater than first predeterminated frequency, the third predeterminated frequency is according to first predeterminated frequency and described Second predeterminated frequency obtains.

12. system according to claim 11, which is characterized in that

The controller is also used to pass through following formula in the case where the running frequency of the air-conditioning is less than third predeterminated frequency Obtain the new aperture:

13. system according to claim 11, which is characterized in that

The controller is also used to lead in the case where the running frequency of the air-conditioning is greater than or equal to the third predeterminated frequency It crosses following formula and obtains the new aperture:

14. a kind of air conditioner, which is characterized in that initial including electric expansion valve described in any one in claim 8 to 13 The computing system of aperture.