CN112856719A - Defrosting control method and device for air conditioner and air conditioner - Google Patents
Defrosting control method and device for air conditioner and air conditioner Download PDFInfo
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- CN112856719A CN112856719A CN202110104256.7A CN202110104256A CN112856719A CN 112856719 A CN112856719 A CN 112856719A CN 202110104256 A CN202110104256 A CN 202110104256A CN 112856719 A CN112856719 A CN 112856719A
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- 238000000034 method Methods 0.000 title claims abstract description 63
- 238000010257 thawing Methods 0.000 title claims abstract description 31
- 239000001257 hydrogen Substances 0.000 claims abstract description 91
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 91
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims description 28
- 238000010586 diagram Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 5
- 238000004590 computer program Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229910052987 metal hydride Inorganic materials 0.000 description 3
- 150000004681 metal hydrides Chemical class 0.000 description 3
- 238000003795 desorption Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Classifications
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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
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application relates to the technical field of air conditioners, and discloses a defrosting control method for an air conditioner, wherein the air conditioner comprises an electrochemical compressor and a first heat exchanger which is communicated with the electrochemical compressor through a hydrogen discharge channel and is installed in an outdoor environment, and the method comprises the steps of obtaining the frosting state of the first heat exchanger; reducing a hydrogen flow rate of a hydrogen bleed passage in communication with the electrochemical compressor if the first heat exchanger determines a frosting condition. The method can reduce the power consumption of the air conditioner. The application also discloses a defrosting control device and an air conditioner for the air conditioner.
Description
Technical Field
The present application relates to the field of air conditioners, and in particular, to a defrosting control method and device for an air conditioner, and an air conditioner.
Background
At present, the electrochemical compressor technology is gradually applied to the field of air conditioners. The electrochemical compressor works on the principle that protons pass through an ion exchange membrane positioned between two gas diffusion electrodes by using a pump to run, and the protons can drive a non-fluorine refrigerant to pass through the ion exchange membrane; after reaching the other side of the membrane, the refrigerant is released at high pressure and enters the refrigeration cycle system. The air conditioner adopting the electrochemical compressor mostly takes hydrogen as a refrigerating medium, and fills metal hydride into the heat exchanger, and the metal hydride has the characteristics of hydrogen absorption and heat release and hydrogen desorption, so that the temperature of the air flowing through is increased or reduced in the hydrogen absorption or hydrogen desorption process of the metal hydride, and heating or refrigeration is realized.
When the existing air conditioner operates in a heating mode, the outdoor unit can generate a frosting phenomenon, and the frosted outdoor unit influences the heating effect of the air conditioner. The existing defrosting mode is to exchange the hydrogen discharge/absorption states of the outdoor heat exchanger and the indoor heat exchanger to realize heating of the outdoor heat exchanger, so as to defrost the outdoor heat exchanger.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
the existing defrosting mode needs to simultaneously switch the hydrogen releasing/absorbing states of the heat exchanger of the outdoor unit and the heat exchanger of the indoor unit, and the heat exchanger of the outdoor unit and the heat exchanger of the indoor unit need to be synchronously controlled in the switching process, so that the power consumption of the air conditioner is increased.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a defrosting control method and device for an air conditioner and the air conditioner, which do not need to synchronously control an indoor unit heat exchanger and an outdoor unit heat exchanger, and reduce the power consumption of the air conditioner.
In some embodiments, the method comprises: the air conditioner comprises an electrochemical compressor and a first heat exchanger which is communicated with the electrochemical compressor through a hydrogen discharge channel and is installed in an outdoor environment, and the method comprises the following steps: acquiring the frosting state of the first heat exchanger; reducing a hydrogen flow rate of a hydrogen bleed passage in communication with the electrochemical compressor if the first heat exchanger determines a frosting condition.
In some embodiments, the first heat exchanger is determined to be in a frosting condition as follows: determining a current temperature of the first heat exchanger; and if the current temperature is matched with the preset frosting temperature, determining that the first heat exchanger is in a frosting state.
In some embodiments, the step of reducing the hydrogen flow rate of the hydrogen discharge passage in communication with the electrochemical compressor comprises: and the hydrogen release speed of the first heat exchanger is reduced by adjusting the opening of the first electric control assembly.
In some embodiments, the adjusting the opening of the first electronically controlled component reduces the hydrogen release rate of the first heat exchanger, comprising: acquiring the current opening degree of the first electric control assembly; determining a target opening corresponding to defrosting of the first heat exchanger; and adjusting the current opening degree to the target opening degree to reduce the hydrogen release speed of the first heat exchanger.
In some embodiments, the adjusting the current opening degree to the target opening degree includes: determining a preset opening degree change rate according to the target opening degree; and adjusting the current opening degree to the target opening degree according to the preset opening degree change rate.
In some embodiments, the method further comprises a second heat exchanger in communication with the electrochemical compressor through a hydrogen absorption channel and installed in an indoor environment, and after reducing the hydrogen flow rate of a hydrogen discharge channel in communication with the electrochemical compressor, the method further comprises: reducing a hydrogen flow rate of a hydrogen absorption channel in communication with the electrochemical compressor.
In some embodiments, the hydrogen absorption passage is provided with a second electronic control assembly, and the reducing the hydrogen flow rate of the hydrogen absorption passage communicated with the electrochemical compressor comprises: and the hydrogen absorption speed of the second heat exchanger is reduced by adjusting the opening of the second electric control assembly.
In some embodiments, the first and/or second electronically controlled components comprise solenoid valves or electromagnetic relays.
In some embodiments, the apparatus includes a processor and a memory storing program instructions, the processor being configured to, when executing the program instructions, perform a defrost control method for an air conditioner as previously described.
In some embodiments, the air conditioner comprises a defrost control apparatus for an air conditioner as described above.
The defrosting control method and device for the air conditioner and the air conditioner provided by the embodiment of the disclosure can achieve the following technical effects:
the method includes the steps of obtaining a frosting state of a first heat exchanger, and reducing hydrogen flow of a hydrogen discharge channel communicated with an electrochemical compressor under the condition that the first heat exchanger is determined to be in the frosting state. The hydrogen flow of the hydrogen discharge channel communicated with the electrochemical compressor is reduced, so that the hydrogen discharge speed of the first heat exchanger is reduced, the heat absorption speed of the first heat exchanger is reduced, and defrosting of the first heat exchanger is achieved. The method does not need to synchronously switch the heat exchanger of the indoor unit and the heat exchanger of the outdoor unit, and reduces the power consumption of the air conditioner.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
FIG. 1 is a schematic diagram of a defrost control method for an air conditioner according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of another defrost control method for an air conditioner provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a defrost control method for an air conditioner according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of another defrost control method for an air conditioner provided by an embodiment of the present disclosure;
FIG. 5 is a schematic view of another defrost control apparatus for an air conditioner provided in an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of an air conditioner provided by an embodiment of the present disclosure;
fig. 7 is a schematic diagram of a defrost control apparatus for an air conditioner according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, 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 present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
Referring to fig. 5, the embodiment of the present disclosure provides a defrosting control method for an air conditioner, which includes an electrochemical compressor 10, and a first heat exchanger 201 connected to the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment. As shown in connection with fig. 1, the method includes:
and S01, acquiring the frosting state of the first heat exchanger.
S02, judging whether the first heat exchanger is in a frosting state, if so, executing a step S03; otherwise, the execution returns to step S01.
S03: the hydrogen flow rate of a hydrogen discharge passage communicating with the electrochemical compressor is reduced.
By adopting the defrosting control method for the air conditioner, provided by the embodiment of the disclosure, the frosting state of the first heat exchanger is obtained, and the hydrogen flow of the hydrogen discharge channel communicated with the electrochemical compressor is reduced under the condition that the frosting state of the first heat exchanger is determined. The hydrogen flow of the hydrogen discharge channel communicated with the electrochemical compressor is reduced, so that the hydrogen discharge speed of the first heat exchanger is reduced, the heat absorption speed of the first heat exchanger is reduced, and defrosting of the first heat exchanger is achieved. The method does not need to synchronously switch the heat exchanger of the indoor unit and the heat exchanger of the outdoor unit, and reduces the power consumption of the air conditioner.
Optionally, as shown in fig. 2, it is determined that the first heat exchanger is in the frosting state according to the following manner:
and S11, determining the current temperature of the first heat exchanger.
S12, judging whether the current temperature is matched with the preset frosting temperature, if so, executing the step S13; otherwise, execution returns to S11.
And S13, determining that the first heat exchanger is in a frosting state.
In this way, the frosting state of the first heat exchanger can be determined according to the matching degree of the current temperature of the first heat exchanger and the preset frosting temperature. The current temperature and the preset frosting temperature are matched, the current temperature can be equal to the preset frosting temperature, the current temperature can also be larger than a first threshold value, the current temperature is smaller than a second threshold value, the first threshold value is equal to the difference value of the preset frosting temperature and the preset deviation, and the second threshold value is the sum of the preset frosting temperature and the preset deviation. The preset deviation can be set according to actual requirements.
Referring to fig. 5, an embodiment of the present disclosure further provides a defrosting control method for an air conditioner, where the air conditioner includes an electrochemical compressor 10, and a first heat exchanger 201 connected to the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment. The hydrogen discharge passage 200 is provided with a first electronic control assembly 2001. As shown in fig. 3, the method includes:
and S21, acquiring the frosting state of the first heat exchanger.
S22, judging whether the first heat exchanger is in a frosting state, if so, executing a step S23; otherwise, the execution returns to step S21.
S23: and the hydrogen release speed of the first heat exchanger is reduced by adjusting the opening of the first electric control assembly.
By adopting the defrosting control method for the air conditioner provided by the embodiment of the disclosure, the hydrogen releasing speed of the first heat exchanger can be reduced by adjusting the opening degree of the first electric control assembly, so that the hydrogen flow of the hydrogen releasing channel communicated with the electrochemical compressor is reduced, the hydrogen releasing speed of the first heat exchanger is reduced, the heat absorbing speed of the first heat exchanger is reduced, the defrosting of the first heat exchanger is realized, and the power consumption of the air conditioner is effectively reduced.
Referring to fig. 4, adjusting the opening of the first electronic control component reduces the hydrogen release rate of the first heat exchanger, and includes:
and S31, acquiring the current opening of the first electronic control assembly.
And S32, determining a target opening corresponding to defrosting of the first heat exchanger.
And S33, adjusting the current opening degree to the target opening degree to reduce the hydrogen release speed of the first heat exchanger.
Therefore, after the target opening corresponding to defrosting of the first heat exchanger is determined, the current opening is adjusted to the target opening, and the hydrogen release speed of the first heat exchanger can be reduced. The method specifically adjusts the current opening degree, so that the hydrogen discharge speed of the first heat exchanger can be effectively reduced by the adjusted target opening degree, the heat absorption speed of the first heat exchanger is reduced, defrosting of the first heat exchanger is achieved, and the power consumption of the air conditioner is effectively reduced.
Optionally, adjusting the current opening degree to the target opening degree includes:
and S41, determining a preset opening degree change rate according to the target opening degree.
And S42, adjusting the current opening degree to the target opening degree at the preset opening degree change rate.
Therefore, the current opening degree is adjusted to the target opening degree according to the preset opening degree change rate, the current opening degree can be linearly adjusted to the target opening degree, and the condition that the running load of the air conditioner is increased due to the fact that the current opening degree is rapidly reduced is prevented.
As shown in fig. 5, the embodiment of the present disclosure further provides a defrosting control method for an air conditioner, where the air conditioner includes an electrochemical compressor 10, a first heat exchanger 201 communicated with the electrochemical compressor 10 through a hydrogen discharge channel 200 and installed in an outdoor environment, and a second heat exchanger 301 communicated with the electrochemical compressor 10 through a hydrogen absorption channel 300 and installed in an indoor environment. The hydrogen discharge passage 200 is provided with a first electronic control assembly 2001. As shown in fig. 6, the method includes:
and S51, acquiring the frosting state of the first heat exchanger.
S52, judging whether the first heat exchanger is in a frosting state, if so, executing a step S53; otherwise, the execution returns to step S51.
S53: and the hydrogen release speed of the first heat exchanger is reduced by adjusting the opening of the first electric control assembly.
S54: the hydrogen flow rate of a hydrogen absorption channel in communication with the electrochemical compressor is reduced.
By adopting the defrosting control method for the air conditioner, the frosting state of the first heat exchanger is obtained, and the hydrogen releasing speed of the first heat exchanger is reduced and the hydrogen flow of the hydrogen absorption channel communicated with the electrochemical compressor is reduced by adjusting the opening of the first electric control assembly under the condition that the first heat exchanger is determined to be in the frosting state. Therefore, the hydrogen flow of the hydrogen discharging channel communicated with the electrochemical compressor can be reduced, and the hydrogen absorption flow of the hydrogen discharging channel communicated with the electrochemical compressor can be reduced, so that the heat absorption speed of the first heat exchanger and the heat release speed of the second heat exchanger are reduced, the first heat exchanger is defrosted, and the power consumption of the air conditioner is further reduced.
Optionally, the hydrogen absorption channel 300 is provided with a second electronic control component 3001. Reducing the hydrogen flow rate of the hydrogen absorption channel 300 in communication with the electrochemical compressor includes:
and the hydrogen absorption speed of the second heat exchanger is reduced by adjusting the opening of the second electric control assembly.
Therefore, the hydrogen absorption speed of the second heat exchanger can be reduced by adjusting the opening of the second electric control assembly, so that the hydrogen flow of a hydrogen absorption channel communicated with the electrochemical compressor is reduced, the hydrogen absorption speed of the second heat exchanger is reduced, the heat release speed of the second heat exchanger is further reduced, and the power consumption of the air conditioner is effectively reduced.
Optionally, the first electronic control assembly and/or the second electronic control assembly includes a solenoid valve or an electromagnetic relay. Therefore, under the condition that the first electric control assembly and the second electric control assembly are electromagnetic valves, the hydrogen discharge flow of the first heat exchanger and the hydrogen absorption flow of the second heat exchanger can be respectively adjusted by adjusting the opening degrees of the first electric control assembly and the second electric control assembly, and the power consumption of the air conditioner is effectively reduced.
In practical use (as shown in fig. 5), the air conditioner includes an electrochemical compressor 10, a first heat exchanger 201 communicated with the electrochemical compressor 10 through a hydrogen discharge passage 200 and installed in an outdoor environment, and a second heat exchanger 301 communicated with the electrochemical compressor 10 through a hydrogen suction passage 300 and installed in an indoor environment. The hydrogen discharge passage 200 is provided with a first electronic control assembly 2001. The air conditioner is in a frosted state. The first electronic control assembly 2001 is a solenoid valve.
The defrosting control method for the air conditioner comprises the following execution steps:
s61, acquiring a frosting state of the first heat exchanger 201.
S62, the first heat exchanger 201 is judged to be in the frosted state, and step S63 is executed.
S63, the current opening degree of the first electronic control assembly 2001 is acquired.
And S64, determining the target opening corresponding to defrosting of the first heat exchanger 201.
And S65, determining a preset opening degree change rate according to the target opening degree.
S66, adjusting the current opening degree to the target opening degree at the preset opening degree change rate to decrease the hydrogen releasing speed of the first heat exchanger 201.
As shown in fig. 7, an embodiment of the present disclosure provides a defrosting control device for an air conditioner, which includes a processor (processor)100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to perform the defrosting control method for the air conditioner of the above-described embodiment.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the defrosting control method for the air conditioner in the above-described embodiments.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides an air conditioner, which comprises the defrosting control method and device for the air conditioner.
The embodiment of the present disclosure provides a computer-readable storage medium storing computer-executable instructions configured to perform the above-mentioned defrosting control method for an air conditioner.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions that, when executed by a computer, cause the computer to perform the above-described defrost control method for an air conditioner.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. A defrost control method for an air conditioner including an electrochemical compressor, a first heat exchanger in communication with the electrochemical compressor through a discharge passage and mounted in an outdoor environment, the method comprising:
acquiring the frosting state of the first heat exchanger;
reducing a hydrogen flow rate of a hydrogen bleed passage in communication with the electrochemical compressor if the first heat exchanger determines a frosting condition.
2. The method of claim 1, wherein the first heat exchanger is determined to be in a frosted condition by:
determining a current temperature of the first heat exchanger;
and if the current temperature is matched with the preset frosting temperature, determining that the first heat exchanger is in a frosting state.
3. The method of claim 1, wherein the discharge passage is provided with a first electronically controlled assembly, and wherein reducing the hydrogen flow rate of the discharge passage in communication with the electrochemical compressor comprises:
and the hydrogen release speed of the first heat exchanger is reduced by adjusting the opening of the first electric control assembly.
4. The method of claim 3, wherein the adjusting the opening of the first electronically controlled component reduces a hydrogen release rate of the first heat exchanger, comprising:
acquiring the current opening degree of the first electric control assembly;
determining a target opening corresponding to defrosting of the first heat exchanger;
and adjusting the current opening degree to the target opening degree to reduce the hydrogen release speed of the first heat exchanger.
5. The method of claim 4, wherein said adjusting said current opening to said target opening comprises:
determining a preset opening degree change rate according to the target opening degree;
and adjusting the current opening degree to the target opening degree according to the preset opening degree change rate.
6. The method of any one of claims 3 to 5, wherein the air conditioner further comprises a second heat exchanger in communication with the electrochemical compressor through a hydrogen absorption channel and installed in an indoor environment, and after reducing the hydrogen flow rate of a hydrogen discharge channel in communication with the electrochemical compressor, the method further comprises:
and reducing the hydrogen flow of a hydrogen absorption channel communicated with the electrochemical compressor.
7. The method of claim 6, wherein the hydrogen-absorption passage is provided with a second electronically controlled component, and wherein reducing the hydrogen flow rate of the hydrogen-absorption passage in communication with the electrochemical compressor comprises:
and the hydrogen absorption speed of the second heat exchanger is reduced by adjusting the opening of the second electric control assembly.
8. The method of claim 7, wherein the first and/or second electronically controlled components comprise solenoid valves or electromagnetic relays.
9. A defrost control apparatus for an air conditioner comprising a processor and a memory having stored program instructions, characterized in that the processor is configured to perform a defrost control method for an air conditioner as claimed in any one of claims 1 to 8 when executing the program instructions.
10. An air conditioner characterized by comprising the defrosting control means for an air conditioner according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110104256.7A CN112856719A (en) | 2021-01-26 | 2021-01-26 | Defrosting control method and device for air conditioner and air conditioner |
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| CN202110104256.7A CN112856719A (en) | 2021-01-26 | 2021-01-26 | Defrosting control method and device for air conditioner and air conditioner |
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| CN112856719A true CN112856719A (en) | 2021-05-28 |
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| CN202110104256.7A Pending CN112856719A (en) | 2021-01-26 | 2021-01-26 | Defrosting control method and device for air conditioner and air conditioner |
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