CN114087741B - Control method and device of electronic throttling element, storage medium and air conditioner - Google Patents
Control method and device of electronic throttling element, storage medium and air conditioner Download PDFInfo
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- CN114087741B CN114087741B CN202111434658.XA CN202111434658A CN114087741B CN 114087741 B CN114087741 B CN 114087741B CN 202111434658 A CN202111434658 A CN 202111434658A CN 114087741 B CN114087741 B CN 114087741B
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000013461 design Methods 0.000 claims abstract description 158
- 230000006870 function Effects 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 27
- 238000010438 heat treatment Methods 0.000 abstract description 23
- 239000003507 refrigerant Substances 0.000 description 15
- 238000012545 processing Methods 0.000 description 13
- 238000001816 cooling Methods 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 8
- 238000004590 computer program Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Air Conditioning Control Device (AREA)
Abstract
The application provides a control method and device of an electronic throttling element, a storage medium and an air conditioner. The method comprises the following steps: acquiring the actual inlet end temperature and the actual outlet end temperature of the electronic throttling element; acquiring the actual operation opening of the electronic throttling element; acquiring the design opening of the electronic throttling element and the design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening; and adjusting the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference. The actual operation opening degree of the electronic throttling element is kept consistent with the design opening degree or almost consistent with the design opening degree, so that the actual refrigerating and heating effects of the air conditioner are guaranteed.
Description
Technical Field
The application relates to the field of air conditioners, in particular to a control method and device of an electronic throttling element, a storage medium and an air conditioner.
Background
Along with global climate change, society is developing fast, and the air conditioner application range is wider and wider, and people not only limit in refrigeration, heating effect to the use of air conditioner, have provided higher standard and requirement to the travelling comfort of complete machine, reliability and noise experience, and current inverter type also is gradually taking the lead market.
The electronic throttling element takes an electronic expansion valve as an example:
(1) the actual operation opening of the electronic expansion valve part is larger than the design value, the circulating refrigerants of the system are increased, the refrigerants are not completely evaporated, the refrigerating and heating effects cannot reach the expected effects, and the human body feeling is deteriorated;
(2) the actual operation opening of the electronic expansion valve part is smaller than the design value, the throttling is excessive, the evaporator is overheated, the input power of the whole machine is increased, the refrigeration and heating effects are influenced, the power consumption is increased, and if the input power is serious, abnormal noise can be generated and transmitted to the indoor side.
When the air conditioner is in use, the actual operation opening degree of the electronic throttling element cannot be ensured to be consistent with a design value, so that the flow of an air conditioning system cannot be accurately adjusted according to actual requirements, the actual refrigerating and heating effects of the air conditioner are influenced, deviation exists between the actual refrigerating and heating effects and the air conditioner, the human body comfort is poor, and the problem of abnormal feedback after sale is caused.
Disclosure of Invention
The application mainly aims to provide a control method and device of an electronic throttling element, a storage medium and a processor, so as to solve the problem that the actual cooling and heating effects of an air conditioner are affected due to the fact that the actual operation opening degree of the electronic throttling element is not consistent with a design value in the prior art.
In order to achieve the above object, according to an aspect of the present application, there is provided a control method of an electronic throttle element, including: acquiring the actual inlet end temperature and the actual outlet end temperature of the electronic throttling element; acquiring the actual operation opening degree of the electronic throttling element; acquiring the design opening of the electronic throttling element and the design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening; and adjusting the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference.
Optionally, adjusting the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference includes: calculating the difference value between the actual outlet end temperature and the actual inlet end temperature to obtain an actual temperature difference; and adjusting the actual operation opening of the electronic throttling element according to the actual temperature difference and the design temperature difference.
Optionally, adjusting the actual operation opening degree of the electronic throttling element according to the actual temperature difference and the design temperature difference includes: obtaining an absolute value of a difference value between the actual temperature difference and the design temperature difference; and controlling the actual operation opening degree of the electronic throttle element to be kept unchanged under the condition that the absolute value of the difference is smaller than a preset value.
Optionally, adjusting the actual operation opening degree of the electronic throttling element according to the actual temperature difference and the design temperature difference, further comprising: determining the magnitude relation between the actual operation opening degree and the design opening degree under the condition that the absolute value of the difference is larger than a preset value; and adjusting the actual operation opening degree of the electronic throttling element at least according to the size relation.
Optionally, adjusting the actual operation opening degree of the electronic throttling element according to at least the magnitude relation includes: under the condition that the actual temperature difference is larger than the design temperature difference and the actual operation opening degree is smaller than the design opening degree, adjusting the actual operation opening degree of the electronic throttling element to the design opening degree; the actual temperature difference is larger than the design temperature difference, and the actual operation opening degree is larger than the design opening degree, the electronic throttling element is reset, and the actual operation opening degree of the electronic throttling element is adjusted to the design opening degree after the electronic throttling element is reset.
Optionally, adjusting the actual operation opening degree of the electronic throttling element according to at least the magnitude relation includes: resetting the electronic throttling element under the condition that the actual temperature difference is smaller than the design temperature difference and the actual operation opening degree is smaller than the design opening degree, and adjusting the actual operation opening degree of the electronic throttling element to the design opening degree after resetting; the actual temperature difference is smaller than the design temperature difference, and the actual operation opening degree is larger than the design opening degree, the actual operation opening degree of the electronic throttling element is adjusted to the design opening degree.
According to another aspect of the present application, there is provided a control apparatus of an electronic throttle element, comprising: a first acquiring unit for acquiring an actual inlet end temperature and an actual outlet end temperature of the electronic throttling element; the second acquisition unit is used for acquiring the actual operation opening of the electronic throttling element; the third acquisition unit is used for acquiring the design opening of the electronic throttling element and the design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening; and the adjusting unit is used for adjusting the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference.
Optionally, the adjusting unit includes: the calculation module is used for calculating the difference value between the actual outlet end temperature and the actual inlet end temperature to obtain an actual temperature difference; and the adjusting module is used for adjusting the actual operation opening of the electronic throttling element according to the actual temperature difference and the design temperature difference.
According to yet another aspect of the application, a computer-readable storage medium is provided, comprising a stored program, wherein the program, when executed, controls an apparatus in which the computer-readable storage medium is located to perform any of the methods.
According to yet another aspect of the present application, there is provided an air conditioner comprising an electronic throttling element, one or more processors, memory, and one or more programs stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for performing any of the methods described herein.
Use the technical scheme of this application, through actual entrance point temperature and the actual exit end temperature who acquires electronic throttling element, acquire electronic throttling element's actual motion aperture, acquire electronic throttling element's design aperture, and the exit end temperature that above-mentioned design aperture corresponds and the design difference in temperature between the entrance point temperature, and then according to actual entrance point temperature, above-mentioned actual exit end temperature and above-mentioned design difference in temperature, adjust above-mentioned actual motion aperture of above-mentioned electronic throttling element, make electronic throttling element's actual motion aperture and design aperture keep unanimous, perhaps keep unanimous almost, in order to guarantee the actual refrigeration of air conditioner, the heating effect. The comfort feeling of the human body is improved when the air conditioner is used, and the practical value of the air conditioner is improved; the flow of the refrigerant is reasonably adjusted, and the abnormal noise of the after-sale complaints is reduced; the optimal valve opening reduces the loss of idle work and reduces the power consumption.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and the description of the exemplary embodiments and illustrations of the application are intended to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 illustrates a flow chart of a method of controlling an electronic throttling element according to an embodiment of the present application;
FIG. 2 shows a schematic of a control apparatus for an electronic throttling element according to an embodiment of the present application;
fig. 3 is a flow chart illustrating a specific method for controlling an electronic throttling element according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As introduced in the background art, in the prior art, the actual operation opening degree of the electronic throttling element is not consistent with the design value, which affects the actual cooling and heating effects of the air conditioner, and in order to solve the problem that the actual operation opening degree of the electronic throttling element is not consistent with the design value, which affects the actual cooling and heating effects of the air conditioner, embodiments of the present application provide a control method and device for the electronic throttling element, a storage medium, and an air conditioner.
According to an embodiment of the present application, a method of controlling an electronic throttling element is provided.
FIG. 1 is a flow chart of a method of controlling an electronic throttling element according to an embodiment of the present application. As shown in fig. 1, the method comprises the steps of:
step S101, acquiring the actual inlet end temperature and the actual outlet end temperature of the electronic throttling element;
step S102, acquiring the actual operation opening of the electronic throttling element;
step S103, acquiring the design opening of the electronic throttling element and the design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening;
and step S104, adjusting the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference.
Specifically, the actual operation opening of the electronic throttling element is obtained, the defect that the actual operation state of the conventional electronic expansion valve cannot be checked in the control logic of the conventional electronic expansion valve is overcome, and the air conditioner really achieves 'input on demand'.
Specifically, the actual operation opening of the electronic throttling element is adjusted according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference, so that feedback adjustment is formed, and the optimal valve opening is ensured.
Specifically, the electronic throttling element may be an electronic expansion valve.
In the above scheme, the actual inlet end temperature and the actual outlet end temperature of the electronic throttling element are obtained, the actual operation opening of the electronic throttling element is obtained, the design opening of the electronic throttling element is obtained, and the design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening is obtained, and then the actual operation opening of the electronic throttling element is adjusted according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference, so that the actual operation opening and the design opening of the electronic throttling element are kept consistent or almost consistent, and the actual refrigerating and heating effects of the air conditioner are ensured. The comfort feeling of the human body is improved when the air conditioner is used, and the practical value of the air conditioner is improved; the flow of the refrigerant is reasonably adjusted, and the abnormal noise of the after-sale complaints is reduced; the optimal valve opening reduces the loss of idle work and reduces the power consumption.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
In an embodiment of the present application, adjusting the actual operation opening degree of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference includes: calculating the difference between the actual outlet temperature and the actual inlet temperature to obtain an actual temperature difference; and adjusting the actual operation opening of the electronic throttling element according to the actual temperature difference and the design temperature difference. The actual operation opening degree of the electronic throttling element is further ensured to be consistent with the design opening degree or almost consistent with the design opening degree, so that the actual refrigerating and heating effects of the air conditioner are ensured.
In another embodiment of the present application, adjusting the actual operation opening degree of the electronic throttling element according to the actual temperature difference and the design temperature difference includes: acquiring an absolute value of a difference value between the actual temperature difference and the design temperature difference; and controlling the actual operation opening degree of the electronic throttling element to be kept unchanged under the condition that the absolute value of the difference is smaller than the preset value. Namely, under the condition that the difference value between the actual temperature difference and the designed temperature difference is small, the actual flow and the designed flow of the electronic throttling element are in the requirement fluctuation range, the optimal operation state is achieved at the moment, the comfort is excellent, and the operation in the original state is maintained.
In another embodiment of the present application, the adjusting the actual operation opening degree of the electronic throttling element according to the actual temperature difference and the design temperature difference further includes: determining a magnitude relation between the actual operation opening degree and the design opening degree when the absolute value of the difference is larger than a preset value; and adjusting the actual operation opening degree of the electronic throttling element at least according to the size relation. That is, under the condition that the difference between the actual temperature difference and the designed temperature difference is large, the actual operation opening degree of the electronic throttling element needs to be adjusted to ensure the actual cooling and heating effects of the air conditioner.
In a specific embodiment of the present application, the adjusting the actual operation opening degree of the electronic throttle element at least according to the magnitude relationship includes: adjusting the actual operation opening degree of the electronic throttling element to the design opening degree under the condition that the actual temperature difference is larger than the design temperature difference and the actual operation opening degree is smaller than the design opening degree; and resetting the electronic throttling element when the actual temperature difference is larger than the design temperature difference and the actual operation opening degree is larger than the design opening degree, and adjusting the actual operation opening degree of the electronic throttling element to the design opening degree after resetting. That is, under the condition that the difference between the actual temperature difference and the designed temperature difference is large, the actual operation opening degree of the electronic throttling element needs to be adjusted to ensure the actual cooling and heating effects of the air conditioner.
In another specific embodiment of the present application, the adjusting the actual operation opening degree of the electronic throttle element at least according to the magnitude relationship includes: resetting the electronic throttling element when the actual temperature difference is smaller than the design temperature difference and the actual operation opening degree is smaller than the design opening degree, and adjusting the actual operation opening degree of the electronic throttling element to the design opening degree after resetting; and when the actual temperature difference is smaller than the design temperature difference and the actual operation opening degree is larger than the design opening degree, adjusting the actual operation opening degree of the electronic throttling element to the design opening degree. That is, under the condition that the difference between the actual temperature difference and the designed temperature difference is large, the actual operation opening degree of the electronic throttling element needs to be adjusted to ensure the actual cooling and heating effects of the air conditioner.
The embodiment of the present application further provides a control device of an electronic throttling element, and it should be noted that the control device of the electronic throttling element of the embodiment of the present application can be used for executing the control method for the electronic throttling element provided by the embodiment of the present application. The following describes a control device for an electronic throttle element according to an embodiment of the present application.
FIG. 2 is a schematic diagram of a control arrangement for an electronic throttling element in accordance with an embodiment of the present application. As shown in fig. 2, the apparatus includes:
a first acquiring unit 10 for acquiring an actual inlet end temperature and an actual outlet end temperature of the electronic throttle element;
a second acquiring unit 20 for acquiring an actual operation opening degree of the electronic throttle element;
a third obtaining unit 30, configured to obtain a design opening of the electronic throttling element, and a design temperature difference between an outlet end temperature and an inlet end temperature corresponding to the design opening;
an adjusting unit 40 for adjusting the actual operation opening degree of the electronic throttle element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference.
In the above scheme, the first obtaining unit obtains an actual inlet end temperature and an actual outlet end temperature of the electronic throttling element, the second obtaining unit obtains an actual operation opening of the electronic throttling element, the third obtaining unit obtains a design opening of the electronic throttling element and a design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening, and the adjusting unit adjusts the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference, so that the actual operation opening and the design opening of the electronic throttling element are kept consistent or almost consistent, and actual refrigerating and heating effects of the air conditioner are guaranteed. The comfort feeling of the human body is improved when the air conditioner is used, and the practical value of the air conditioner is improved; the flow of the refrigerant is reasonably adjusted, and the abnormal noise of the complaints after sale is reduced; the optimal valve opening reduces the loss of idle work and reduces the power consumption.
In an embodiment of the present application, the adjusting unit includes a calculating module and an adjusting module, the calculating module is configured to calculate a difference between the actual outlet end temperature and the actual inlet end temperature to obtain an actual temperature difference; the adjusting module is used for adjusting the actual operation opening of the electronic throttling element according to the actual temperature difference and the design temperature difference. The actual operation opening degree of the electronic throttling element is further ensured to be consistent with the design opening degree or almost consistent, so that the actual refrigerating and heating effects of the air conditioner are ensured.
In another embodiment of the application, the adjusting module includes an obtaining submodule and a first determining submodule, and the obtaining submodule is configured to obtain an absolute value of a difference between the actual temperature difference and the design temperature difference; the first determining submodule is used for controlling the actual operation opening of the electronic throttling element to be kept unchanged under the condition that the absolute value of the difference is smaller than a preset value. Namely, under the condition that the difference value between the actual temperature difference and the design temperature difference is small, the actual flow and the design flow of the electronic throttling element are in a required fluctuation range, the optimal operation state is achieved, the comfort is excellent, and the operation in the original state is kept.
In another embodiment of the application, the adjusting module further includes a second determining submodule and an adjusting submodule, where the second determining submodule is configured to determine a size relationship between the actual operating opening and the design opening when an absolute value of the difference is greater than a predetermined value; the adjusting submodule is used for adjusting the actual operation opening of the electronic throttling element at least according to the size relation. That is, under the condition that the difference between the actual temperature difference and the designed temperature difference is large, the actual operation opening degree of the electronic throttling element needs to be adjusted to ensure the actual cooling and heating effects of the air conditioner.
In a specific embodiment of the present application, the adjusting submodule includes a first processing submodule and a second processing submodule, where the first processing submodule is configured to adjust an actual operating opening degree of the electronic throttling element to the design opening degree when the actual temperature difference is greater than the design temperature difference and the actual operating opening degree is smaller than the design opening degree; the second processing submodule is used for resetting the electronic throttling element under the condition that the actual temperature difference is larger than the design temperature difference and the actual operation opening degree is larger than the design opening degree, and adjusting the actual operation opening degree of the electronic throttling element to the design opening degree after resetting. That is, under the condition that the difference between the actual temperature difference and the designed temperature difference is large, the actual operation opening degree of the electronic throttling element needs to be adjusted to ensure the actual cooling and heating effects of the air conditioner.
In another specific embodiment of the present application, the adjusting submodule includes a third processing submodule and a fourth processing submodule, where the third processing submodule is configured to, when the actual temperature difference is smaller than the design temperature difference and the actual operating opening is smaller than the design opening, reset the electronic throttling element, and adjust the actual operating opening of the electronic throttling element to the design opening after resetting; and the fourth processing submodule is used for adjusting the actual operation opening degree of the electronic throttling element to the design opening degree under the condition that the actual temperature difference is smaller than the design temperature difference and the actual operation opening degree is larger than the design opening degree. That is, under the condition that the difference between the actual temperature difference and the designed temperature difference is large, the actual operation opening degree of the electronic throttling element needs to be adjusted to ensure the actual cooling and heating effects of the air conditioner.
The control device of the electronic throttling element comprises a processor and a memory, wherein the first acquiring unit, the second acquiring unit, the third acquiring unit, the adjusting unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. One or more than one inner core can be set, and the refrigeration effect and the heating effect of the air conditioner are ensured by adjusting the parameters of the inner cores.
The memory may include volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM), including at least one memory chip.
The embodiment of the invention provides a computer-readable storage medium, which comprises a stored program, wherein when the program runs, a device where the computer-readable storage medium is located is controlled to execute the control method of the electronic throttling element.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program executes the control method of the electronic throttling element during running.
Embodiments of the present invention provide an air conditioner comprising an electronic throttling element, one or more processors, memory, and one or more programs stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for performing any of the methods described herein.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, acquiring the actual inlet end temperature and the actual outlet end temperature of the electronic throttling element;
step S102, acquiring the actual operation opening of the electronic throttling element;
step S103, acquiring the design opening of the electronic throttling element and the design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening;
and step S104, adjusting the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:
step S101, acquiring the actual inlet end temperature and the actual outlet end temperature of the electronic throttling element;
step S102, acquiring the actual operation opening of the electronic throttling element;
step S103, acquiring the design opening of the electronic throttling element and the design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening;
and step S104, adjusting the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both permanent and non-permanent, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that 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 a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Examples
The present embodiment relates to a specific method for controlling an electronic throttling element, and the electronic throttling element is an electronic expansion valve. As shown in fig. 3.
Two temperature sensors are arranged, a valve opening checker is arranged, the first temperature sensor is used for detecting the temperature T1 of the inlet end of the valve, the second temperature sensor is used for detecting the temperature T2 of the outlet end of the valve, and the valve opening checker is used for detecting the actual operation opening (step number) of the electronic expansion valve.
The air conditioner is in the steady operation in-process, electronic expansion valve receives corresponding operation instruction according to design temperature range, stabilize in a concrete valve step interval, through the real-time actual operation aperture of valve opening checker feedback electronic expansion valve, the controller discerns the valve body should increase valve opening (increase refrigerant flow) or close valve opening (reduce refrigerant flow) at present, through such a feedback control process, let the air conditioner reach system optimum, refrigeration (hot) effect is optimal, the travelling comfort is best.
When the delta T-1 is more than or equal to T2 and the T1 is more than or equal to delta T +1, namely the temperature difference before and after throttling of the electronic expansion valve and the design temperature difference are within +/-1 ℃, the actual flow and the design flow of the electronic expansion valve are within the required fluctuation range, the optimal operation state is achieved, the comfort is excellent, and the operation in the original state is kept;
when T2-T1 is less than delta T-1, the actual flow of the electronic expansion valve is higher than the design flow, the cooling medium in the system is not completely evaporated, the air outlet temperature at the inner side is higher, the comfort is poor, a plurality of liquid refrigerants are contained, and the power of the whole machine is high; at the moment, the controller gives an instruction to the valve opening checker to check the actual valve opening b of the electronic expansion valve at present; the valve opening checker feeds back the detected actual opening to the controller, and the controller recognizes the actual valve state through the following control logic and gives an instruction to the valve body again to meet the normal operation requirement.
1) When B is less than the design theoretical valve opening degree B, the actual opening degree of the electronic expansion valve is smaller than the theoretical design opening degree and does not accord with the actual state, the valve body is not accurately controlled at the moment, the controller gives an operation instruction to the valve body again, the operation initial state of the electronic expansion valve is ensured to be normal through reset action, and then the opening degree of the valve is adjusted to the theoretical valve opening degree B;
2) When B is larger than the design theoretical valve opening degree B, the controller gives an operation instruction to the valve body again, the actual valve opening degree is reduced to the design theoretical opening degree B, the system refrigerant reaches the optimal flow state in time, and the loss of idle work is reduced;
when T2-T1 is greater than delta T +1, the actual flow of the electronic expansion valve is smaller than the design flow, the number of circulating refrigerants in the system is small, the inner side overheating is verified, and the inner side outlet air temperature is higher; the vapor state refrigerant is more, the side pressure of the system refrigerant is increased, the compressor work is increased under the same refrigeration effect, the test load of the compressor is increased, and abnormal noise is easy to generate; at the moment, the controller is required to give an instruction to the valve opening checker to check the actual valve opening b of the electronic expansion valve when the electronic expansion valve is actually operated, the valve opening checker feeds back the detected actual opening to the outer machine controller,
1) When B is larger than the designed theoretical valve opening degree B, the actual opening degree of the electronic expansion valve is larger than the theoretical design opening degree and does not accord with the actual state, the valve body is not accurately controlled at the moment, the controller gives an operation instruction to the valve body again, the operation initial state of the electronic expansion valve is ensured to be normal through the reset action, and then the opening degree of the valve is adjusted to the theoretical valve opening degree B;
2) And when B is smaller than the design theoretical valve opening degree B, the controller gives a valve body operation instruction again, the actual valve opening degree is increased to the design theoretical opening degree B, the valve adjusting time is shortened, the system refrigerant can reach the optimal flow state in time, and the idle work loss is reduced.
From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects:
1) The control method of the electronic throttling element obtains the actual operation opening of the electronic throttling element by obtaining the actual inlet end temperature and the actual outlet end temperature of the electronic throttling element, obtains the design opening of the electronic throttling element, and obtains the design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening, and then adjusts the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference, so that the actual operation opening and the design opening of the electronic throttling element are kept consistent or almost consistent, and the actual refrigerating and heating effects of an air conditioner are guaranteed. The comfort feeling of the human body is improved when the air conditioner is used, and the practical value of the air conditioner is improved; the flow of the refrigerant is reasonably adjusted, and the abnormal noise of the after-sale complaints is reduced; the optimal valve opening reduces the loss of idle work and reduces the power consumption.
2) The utility model provides a controlling means of electronic throttling element, first actual entrance point temperature and the actual exit end temperature that acquires electronic throttling element of acquireing the unit, the second acquires the actual operation aperture that the unit acquireed electronic throttling element, the third acquires the unit and acquires electronic throttling element's design aperture, and the design difference in temperature between the exit end temperature that above-mentioned design aperture corresponds and the entrance point temperature, the adjustment unit is according to actual entrance point temperature, above-mentioned actual exit end temperature and above-mentioned design difference in temperature, adjust above-mentioned actual operation aperture of above-mentioned electronic throttling element, make electronic throttling element's actual operation aperture keep unanimous with the design aperture, or nearly keep unanimous, in order to guarantee the actual refrigeration of air conditioner, the heating effect. The comfort feeling of the human body is improved when the air conditioner is used, and the practical value of the air conditioner is improved; the flow of the refrigerant is reasonably adjusted, and the abnormal noise of the complaints after sale is reduced; the optimal valve opening reduces the loss of idle work and reduces the power consumption.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A method of controlling an electronic throttling element, comprising:
acquiring the actual inlet end temperature and the actual outlet end temperature of the electronic throttling element;
acquiring the actual operation opening degree of the electronic throttling element;
acquiring the design opening of the electronic throttling element and the design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening;
and adjusting the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference.
2. The method of claim 1, wherein adjusting the actual operating opening of the electronic throttling element as a function of the actual inlet end temperature, the actual outlet end temperature, and the design temperature differential comprises:
calculating the difference value between the actual outlet end temperature and the actual inlet end temperature to obtain an actual temperature difference;
and adjusting the actual operation opening of the electronic throttling element according to the actual temperature difference and the design temperature difference.
3. The method of claim 2, wherein adjusting the actual operating opening of the electronic throttling element as a function of the actual temperature differential and the design temperature differential comprises:
acquiring an absolute value of a difference value between the actual temperature difference and the design temperature difference;
and controlling the actual operation opening degree of the electronic throttle element to be kept unchanged under the condition that the absolute value of the difference is smaller than a preset value.
4. The method of claim 3, wherein adjusting the actual operating opening of the electronic throttling element based on the actual temperature differential and the design temperature differential further comprises:
determining the magnitude relation between the actual operation opening degree and the design opening degree under the condition that the absolute value of the difference is larger than a preset value;
and adjusting the actual operation opening degree of the electronic throttling element at least according to the size relation.
5. The method of claim 4, wherein adjusting the actual operating opening of the electronic throttling element based at least on the magnitude relationship comprises:
under the condition that the actual temperature difference is larger than the design temperature difference and the actual operation opening degree is smaller than the design opening degree, adjusting the actual operation opening degree of the electronic throttling element to the design opening degree;
the actual temperature difference is larger than the design temperature difference, and the actual operation opening degree is larger than the design opening degree, the electronic throttling element is reset, and the actual operation opening degree of the electronic throttling element is adjusted to the design opening degree after the electronic throttling element is reset.
6. The method of claim 4, wherein adjusting the actual operating opening of the electronic throttling element based at least on the magnitude relationship comprises:
resetting the electronic throttling element under the condition that the actual temperature difference is smaller than the design temperature difference and the actual operation opening is smaller than the design opening, and adjusting the actual operation opening of the electronic throttling element to the design opening after resetting;
and under the condition that the actual temperature difference is smaller than the design temperature difference and the actual operation opening degree is larger than the design opening degree, adjusting the actual operation opening degree of the electronic throttling element to the design opening degree.
7. A control device for an electronic throttling element, comprising:
a first acquiring unit for acquiring an actual inlet end temperature and an actual outlet end temperature of the electronic throttling element;
the second acquisition unit is used for acquiring the actual operation opening of the electronic throttling element;
the third acquisition unit is used for acquiring the design opening of the electronic throttling element and the design temperature difference between the outlet end temperature and the inlet end temperature corresponding to the design opening;
and the adjusting unit is used for adjusting the actual operation opening of the electronic throttling element according to the actual inlet end temperature, the actual outlet end temperature and the design temperature difference.
8. The apparatus of claim 7, wherein the adjusting unit comprises:
the calculation module is used for calculating the difference value between the actual outlet end temperature and the actual inlet end temperature to obtain an actual temperature difference;
and the adjusting module is used for adjusting the actual operation opening of the electronic throttling element according to the actual temperature difference and the design temperature difference.
9. A computer-readable storage medium, comprising a stored program, wherein the program, when executed, controls an apparatus in which the computer-readable storage medium is located to perform the method of any one of claims 1 to 6.
10. An air conditioner comprising an electronic throttling element, one or more processors, memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing the method of any of claims 1-6.
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| US5289692A (en) * | 1993-01-19 | 1994-03-01 | Parker-Hannifin Corporation | Apparatus and method for mass flow control of a working fluid |
| JP4550635B2 (en) * | 2005-03-17 | 2010-09-22 | シャープ株式会社 | Air conditioner |
| JP5533209B2 (en) * | 2010-05-06 | 2014-06-25 | アイシン精機株式会社 | Air conditioner |
| CN102147174B (en) * | 2011-03-24 | 2013-04-17 | 中国扬子集团滁州扬子空调器有限公司 | Method for controlling electronic expansion valve of variable-frequency air conditioner |
| JP2014190658A (en) * | 2013-03-28 | 2014-10-06 | Panasonic Corp | Refrigerator |
| CN103954063B (en) * | 2014-04-24 | 2016-06-29 | 华南理工大学 | The refrigeration system of a kind of single valve step-less adjustment mixed working fluid circulation composition and method thereof |
| JP6737570B2 (en) * | 2015-06-11 | 2020-08-12 | 株式会社ミクニ | Valve control device |
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