CN111121224A - Air conditioner control method, device, terminal and computer readable storage medium - Google Patents
Air conditioner control method, device, terminal and computer readable storage medium Download PDFInfo
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- CN111121224A CN111121224A CN201911425783.7A CN201911425783A CN111121224A CN 111121224 A CN111121224 A CN 111121224A CN 201911425783 A CN201911425783 A CN 201911425783A CN 111121224 A CN111121224 A CN 111121224A
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000003507 refrigerant Substances 0.000 claims abstract description 395
- 230000001502 supplementing effect Effects 0.000 claims abstract description 72
- 239000013589 supplement Substances 0.000 claims abstract description 53
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 51
- 239000011737 fluorine Substances 0.000 claims abstract description 51
- 230000002950 deficient Effects 0.000 claims abstract description 50
- 238000004378 air conditioning Methods 0.000 claims description 85
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000010257 thawing Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000000737 periodic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
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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
- 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
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
-
- 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)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner control method, an air conditioner control device, a terminal and a computer readable storage medium, wherein the method comprises the following steps: collecting related parameters of a current refrigerant of the air conditioner, and judging whether the air conditioner is in a fluorine-deficient state or not according to the related parameters of the refrigerant; if the air conditioner is in a fluorine-deficient state, a refrigerant self-supplement mode of the air conditioner is started, and the working state of injecting the refrigerant into the refrigerant system of the air conditioner by the refrigerant supplement device is controlled based on a preset strategy, wherein the working state comprises the opening and the closing of the refrigerant supplement device, and the mode of manually supplementing the refrigerant of the air conditioner is replaced, so that the control on the air conditioner is more intelligent, the cost consumed by the maintenance of the air conditioner by an air conditioner user is further reduced, and the experience of the user is improved.
Description
Technical Field
The present invention relates to the field of air conditioning technologies, and in particular, to an air conditioning control method, apparatus, terminal, and computer-readable storage medium.
Background
The phenomenon that the refrigerant leaks can appear because some factors such as system gas tightness in the use of inverter air conditioner, and when the refrigerant leaked too much, the effect variation of heating and refrigeration of air conditioner, the compressor exhaust temperature parameter of air conditioner risees, and the air conditioner can frequent reduction operating frequency parameter for the protection compressor, can reduce user's experience like this and feel. In order to solve the problem of air conditioner refrigerant loss, maintenance personnel need to go to the door and refill the refrigerant, and the cost that the user maintained the air conditioner becomes high.
Disclosure of Invention
The invention mainly aims to provide an air conditioner control method, an air conditioner control device, a terminal and a computer readable storage medium, and aims to solve the technical problem that the cost for maintaining an air conditioner by a user is high due to the fact that an air conditioner refrigerant is supplemented manually at present.
In order to achieve the above object, the present invention provides an air conditioner control method for an air conditioner refrigerant system, the air conditioner refrigerant system including a refrigerant supplement device connected to a low pressure side of the air conditioner refrigerant system, the air conditioner control method comprising:
collecting related parameters of a current refrigerant of an air conditioner, and judging whether the air conditioner is in a fluorine-deficient state or not according to the related parameters of the refrigerant;
and if the air conditioner is in a fluorine-deficient state, starting a refrigerant self-supplement mode of the air conditioner, and controlling a working state of the refrigerant supplement device for injecting the refrigerant into the air conditioner refrigerant system based on a preset strategy, wherein the working state comprises the starting and the closing of the refrigerant supplement device.
Optionally, the related parameters of the refrigerant include an ambient temperature and ambient temperature parameter, a system pressure parameter, a coil temperature and coil temperature parameter, an operating frequency and operating frequency parameter, and an exhaust temperature and exhaust temperature parameter,
the step of judging whether the air conditioner is in a fluorine-lacking state according to the refrigerant related parameters comprises the following steps of:
judging whether two or more parameter factors of the refrigerant related parameters are not in respective parameter reference ranges;
if yes, judging that the air conditioner is in a fluorine-lacking state;
and if not, judging that the air conditioner is not in a fluorine-lacking state.
Optionally, the step of controlling the working state of the refrigerant supplementing device injecting the refrigerant into the air-conditioning refrigerant system based on the preset strategy includes:
determining the period duration according to the preset period number;
switching the working state of the refrigerant supplementing device at intervals of the cycle time length to inject refrigerants into the air-conditioning refrigerant system until the number of the interval cycle time lengths reaches a preset cycle number;
and executing the step of judging whether the air conditioner is in a fluorine-lacking state according to the refrigerant related parameters.
Optionally, the step of switching the working state of the refrigerant supplementing device every interval of the cycle duration includes:
and switching the working state of the refrigerant supplementing device to be opened for continuously presetting a first time length and switching the working state of the refrigerant supplementing device to be closed for continuously presetting a second time length at intervals of the period time length, wherein the sum of the preset first time length and the preset second time length is less than or equal to the period time length.
Optionally, the refrigerant supplementing device includes a stop valve, and the step of switching the working state of the refrigerant supplementing device to be on for a preset first duration every interval of the cycle duration includes:
if the air conditioner is in a refrigeration mode, opening a stop valve of the refrigerant supplementing device at intervals of the period duration, and switching the working state of the refrigerant supplementing device to be open so as to continuously inject refrigerant into the low-pressure side of the air conditioner refrigerant system for a preset first duration;
if the air conditioner is in a heating mode, the air conditioner is switched to a defrosting mode to convert the high-pressure side and the low-pressure side of the air-conditioning refrigerant system, a stop valve of the refrigerant supplementing device is opened, the working state of the refrigerant supplementing device is switched to be opened, and the refrigerant is injected into the low-pressure side of the air-conditioning refrigerant system for a first duration.
Optionally, after the step of switching the working state of the refrigerant supplementing device every interval of the cycle duration, the method further includes:
and when the number of the interval period durations reaches a preset period number, controlling the air conditioner to operate according to a preset stable mode, starting timing, and executing the step of judging whether the air conditioner is in a fluorine-deficient state according to the refrigerant related parameters after a preset waiting period.
Optionally, after the step of determining whether the air conditioner is in a fluorine-deficient state according to the refrigerant-related parameter is executed, the method further includes:
if the air conditioner is not in a fluorine-deficient state, closing the refrigerant self-supplement mode;
and if the air conditioner is still in a fluorine-deficient state, controlling the working state of injecting the refrigerant into the air conditioner refrigerant system based on the preset strategy again.
In addition, to achieve the above object, the present invention provides an air conditioning control apparatus including:
the acquisition module is used for acquiring related parameters of the current refrigerant of the air conditioner;
the judging module is used for judging whether the air conditioner is in a fluorine-lacking state or not according to the refrigerant related parameters;
and the control module is used for controlling the module, if the air conditioner is in a fluorine-deficient state, to start a refrigerant self-supplement mode of the air conditioner, and to control a working state of the refrigerant supplement device for injecting refrigerant into the refrigerant system of the air conditioner based on a preset strategy, wherein the working state comprises the start and the stop of the refrigerant supplement device.
In addition, to achieve the above object, the present invention further provides a terminal, which includes a memory, a processor, and an air conditioning control program stored in the memory and operable on the processor, wherein the air conditioning control program, when executed by the processor, implements the steps of the air conditioning control method as described above.
Further, to achieve the above object, the present invention also provides a computer-readable storage medium having stored thereon an air conditioning control program that, when executed by a processor, implements the steps of the air conditioning control method as described above.
The embodiment realizes the self-judgment of the air conditioner by collecting the related parameters of the current refrigerant of the air conditioner and judging whether the air conditioner is in the fluorine-deficient state according to the related parameters of the refrigerant, the self-judgment of the air conditioner is realized by judging whether the air conditioner is in the fluorine-deficient state according to the data collected in real time, the air conditioner can be timely found to be in the fluorine-deficient state, after the air conditioner is judged to be in the fluorine-deficient state, the refrigerant self-supplement mode of the air conditioner is started, the working state that the refrigerant is injected into the refrigerant system of the air conditioner by the refrigerant supplement device is controlled based on the preset strategy, the refrigerant can be timely supplemented to the refrigerant system of the air conditioner, the continuous operation of the air conditioner running system in the fluorine-deficient state is effectively prevented, the pressure is caused to the refrigerant system of the air conditioner, furthermore, the refrigerant self-supplement mode of the air conditioner replaces the mode that the refrigerant, the experience of the user is improved.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a terminal for implementing various embodiments of the present invention;
FIG. 2 is a schematic flow chart illustrating a first embodiment of an air conditioning control method according to the present invention;
fig. 3 is a schematic structural diagram of an air conditioning refrigerant system according to the present invention.
The implementation, functional features and advantages of the present invention will be described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides an air conditioner control terminal, and referring to fig. 1, fig. 1 is a schematic structural diagram of a hardware operating environment according to an embodiment of the invention.
It should be noted that fig. 1 is a schematic structural diagram of a hardware operating environment of the air conditioner control terminal. The air conditioner control terminal of the embodiment of the invention can be a PC, a portable computer, a server and other terminals.
As shown in fig. 1, the air conditioning control terminal may include: a processor 1001, such as a CPU, a memory 1005, a user interface 1003, a network interface 1004, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Optionally, the air conditioner control terminal may further include an RF (Radio Frequency) circuit, a sensor, a WiFi module, and the like.
Those skilled in the art will appreciate that the configuration of the climate control terminal illustrated in fig. 1 does not constitute a limitation of the climate control terminal, and may include more or less components than those illustrated, or some components in combination, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a computer storage readable storage medium, may include therein an operating system, a network communication module, a user interface module, and an air conditioner control program. The operating system is a program for managing and controlling hardware and software resources of the air-conditioning control terminal, and supports the operation of the air-conditioning control program and other software or programs.
The air conditioner control terminal shown in fig. 1 may be used for information interaction, and the user interface 1003 is mainly used for detecting or outputting various information, such as detecting an ambient temperature parameter and outputting a cooling medium amount of an air conditioner; the network interface 1004 is mainly used for interacting with a background server and communicating; the processor 1001 may be configured to call an air-conditioning control program stored in the memory 1005, and perform the following operations:
collecting related parameters of a current refrigerant of an air conditioner, and judging whether the air conditioner is in a fluorine-deficient state or not according to the related parameters of the refrigerant;
and if the air conditioner is in a fluorine-deficient state, starting a refrigerant self-supplement mode of the air conditioner, and controlling a working state of the refrigerant supplement device for injecting the refrigerant into the air conditioner refrigerant system based on a preset strategy, wherein the working state comprises the starting and the closing of the refrigerant supplement device.
Furthermore, the related parameters of the refrigerant comprise an environment temperature parameter, a system pressure parameter, a coil pipe temperature parameter, an operation frequency parameter and an exhaust temperature parameter,
the step of judging whether the air conditioner is in a fluorine-lacking state according to the refrigerant related parameters comprises the following steps of:
judging whether two or more parameter factors of the refrigerant related parameters are not in respective parameter reference ranges;
if yes, judging that the air conditioner is in a fluorine-lacking state;
and if not, judging that the air conditioner is not in a fluorine-lacking state.
Further, the step of controlling the working state of the refrigerant supplementing device injecting the refrigerant into the air-conditioning refrigerant system based on the preset strategy includes:
determining the period duration according to the preset period number;
switching the working state of the refrigerant supplementing device at intervals of the cycle time length to inject refrigerants into the air-conditioning refrigerant system until the number of the interval cycle time lengths reaches a preset cycle number;
and executing the step of judging whether the air conditioner is in a fluorine-lacking state according to the refrigerant related parameters.
Further, the step of switching the working state of the refrigerant supplementing device every interval of the cycle duration includes:
and switching the working state of the refrigerant supplementing device to be opened for continuously presetting a first time length and switching the working state of the refrigerant supplementing device to be closed for continuously presetting a second time length at intervals of the period time length, wherein the sum of the preset first time length and the preset second time length is less than or equal to the period time length.
Further, the refrigerant supplementing device includes a stop valve, and the step of switching the operating state of the refrigerant supplementing device to be on for a preset first duration every interval of the cycle duration includes:
if the air conditioner is in a refrigeration mode, opening a stop valve of the refrigerant supplementing device at intervals of the period duration, and switching the working state of the refrigerant supplementing device to be open so as to continuously inject refrigerant into the low-pressure side of the air conditioner refrigerant system for a preset first duration;
if the air conditioner is in a heating mode, the air conditioner is switched to a defrosting mode to convert the high-pressure side and the low-pressure side of the air-conditioning refrigerant system, a stop valve of the refrigerant supplementing device is opened, the working state of the refrigerant supplementing device is switched to be opened, and the refrigerant is injected into the low-pressure side of the air-conditioning refrigerant system for a first duration.
Further, after the step of switching the operating state of the refrigerant supplementing device every interval of the cycle duration, the processor 1001 may be further configured to call an air conditioner control program stored in the memory 1005, and execute the following steps:
and when the number of the interval period durations reaches a preset period number, controlling the air conditioner to operate according to a preset stable mode, starting timing, and executing the step of judging whether the air conditioner is in a fluorine-deficient state according to the refrigerant related parameters after a preset waiting period.
Further, after the step of determining whether the air conditioner is in the fluorine deficiency state according to the refrigerant related parameter is executed, the processor 1001 may be further configured to call an air conditioner control program stored in the memory 1005, and execute the following steps:
if the air conditioner is not in a fluorine-deficient state, closing the refrigerant self-supplement mode;
and if the air conditioner is still in a fluorine-deficient state, controlling the working state of injecting the refrigerant into the air conditioner refrigerant system based on the preset strategy again.
The specific implementation of the air conditioner control terminal of the present invention is substantially the same as the following embodiments of the air conditioner control method, and is not described herein again.
Based on the above structure, various embodiments of the air conditioner control method of the present invention are proposed.
The invention provides an air conditioner control method.
Referring to fig. 2, fig. 2 is a flowchart illustrating a first embodiment of an air conditioning control method according to the present invention.
In the present embodiment, an embodiment of an air conditioning control method is provided, and it should be noted that although a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in an order different from that here.
The air conditioner control method is used for an air conditioner refrigerant system, the air conditioner refrigerant system comprises a refrigerant supplementing device connected to a low-pressure side of the air conditioner refrigerant system, and in the embodiment, the air conditioner control method comprises the following steps:
and step S10, collecting the current refrigerant related parameters of the air conditioner, and judging whether the air conditioner is in a fluorine-deficient state according to the refrigerant related parameters.
When the air conditioner is started and an operation system of the air conditioner operates for a period of time, a collecting device of the air conditioner collects relevant parameters of a current refrigerant, whether the air conditioner is in a fluorine-deficient state is judged according to the relevant parameters of the refrigerant, the condition that the air conditioner is in the fluorine-deficient state indicates that a refrigerant of the air conditioner is insufficient, and the refrigerant is injected into the air conditioner in the fluorine-deficient state to supplement the refrigerant in the air conditioner. The related parameters of the refrigerant comprise an environment temperature parameter, a system pressure parameter, a coil pipe temperature parameter, an operation frequency parameter, an exhaust temperature parameter and the like.
Further, step S10 includes:
step a, judging whether two or more parameter factors of the refrigerant related parameters are not in respective parameter reference ranges.
The parameter factors represent an environment temperature parameter, a system pressure parameter, a coil pipe temperature parameter, an operation frequency parameter, an exhaust temperature parameter and the like, and a parameter reference range is set by researchers and is a numerical range of each parameter factor of the air conditioner in a normal operation state. And judging whether the air conditioner is in a fluorine-deficient state according to the refrigerant related parameters, namely judging whether parameter factors in the refrigerant related parameters are out of respective parameter reference ranges and how many parameter factors are not in the respective parameter reference ranges. In this embodiment, whether the air conditioner is in the fluorine-deficient state is determined according to whether two or more parameter factors are out of the reference ranges of the respective parameters. Because the above parameter factors influence each other, if the air conditioner is judged whether to be in the fluorine-deficient state or not only according to whether one parameter factor is not in the respective parameter range, the possibility of missed judgment and erroneous judgment exists.
B, if yes, judging that the air conditioner is in a fluorine-lacking state;
and c, if the fluorine-free air conditioner does not exist, judging that the air conditioner is not in a fluorine-free state.
If the refrigerant related parameters have two or more parameter factors which are not in the respective parameter reference ranges, the air conditioner is judged to be in a fluorine-lacking state; and if the refrigerant related parameters do not have two or more parameter factors which are not in the respective parameter reference ranges, judging that the air conditioner is not in the fluorine-lacking state. When it is determined that the air conditioner is not in the fluorine deficient state, the air conditioner continues to operate based on the current mode.
And step S20, if the air conditioner is in a fluorine-deficient state, starting a refrigerant self-supplement mode of the air conditioner, and controlling a working state of the refrigerant supplement device for injecting refrigerant into the refrigerant system of the air conditioner based on a preset strategy, wherein the working state comprises the starting and the closing of the refrigerant supplement device.
When the air conditioner is judged to be in a fluorine-deficient state, a refrigerant self-supplement mode of the air conditioner is started, the refrigerant supplement device 36 automatically supplements refrigerants to an air conditioner refrigerant system in the air conditioner in the refrigerant self-supplement mode, the working state of the refrigerant supplement device 36 injecting the refrigerants into the air conditioner refrigerant system is controlled according to a preset strategy, so that refrigerants required by the operation of the air conditioner are supplemented, the refrigerant supplement device 36 is an automatic refrigerant filling device, and the working state of the refrigerant supplement device 36 injecting the refrigerants into the air conditioner refrigerant system is started and stopped. The preset strategy is a step of controlling the refrigerant supplement device 36 to inject the refrigerant into the air conditioning refrigerant system. And when the working state of the refrigerant supplementing device is turned on, the refrigerant is injected into the air-conditioning refrigerant system, and when the working state of the refrigerant supplementing device is turned off, the refrigerant is stopped from being injected into the air-conditioning refrigerant system.
The embodiment realizes the self-judgment of the air conditioner by collecting the related parameters of the current refrigerant of the air conditioner and judging whether the air conditioner is in the fluorine-deficient state according to the related parameters of the refrigerant, the self-judgment of the air conditioner is realized by judging whether the air conditioner is in the fluorine-deficient state according to the data collected in real time, the air conditioner can be timely found to be in the fluorine-deficient state, after the air conditioner is judged to be in the fluorine-deficient state, the refrigerant self-supplement mode of the air conditioner is started, the working state that the refrigerant is injected into the refrigerant system of the air conditioner by the refrigerant supplement device is controlled based on the preset strategy, the refrigerant can be timely supplemented to the refrigerant system of the air conditioner, the air conditioner is effectively prevented from continuously running in the fluorine-deficient state to cause pressure to the refrigerant system of the air conditioner, furthermore, the refrigerant self-supplement mode of the air conditioner replaces the mode that the refrigerant is manually supplemented, the experience of the user is improved.
Further, a second embodiment of the air conditioning control method of the present invention is proposed. The second embodiment of the air conditioning control method is different from the first embodiment of the air conditioning control method in that the step of controlling the working state of the refrigerant supplementing device injecting the refrigerant into the air conditioning refrigerant system based on the preset strategy comprises the following steps:
and d, determining the period duration according to the preset period number.
The air conditioner control method provided in this example controls the working state of the refrigerant supplement device to inject the refrigerant into the air conditioner refrigerant system according to a preset strategy, where the preset strategy is to control the refrigerant supplement device 36 to periodically inject the refrigerant into the air conditioner refrigerant system. Firstly, according to a preset periodicity, determining a period duration, wherein the period duration comprises a preset first duration and a preset second duration. The preset number of cycles may be 5, 6 or 7, etc., and the cycle duration may be 25s (seconds), 30s or 40s, etc. The preset number of cycles and the cycle duration are in a one-to-one correspondence relationship, and the cycle duration corresponding to the preset number of cycles is obtained by determining the preset number of cycles, for example, when the preset number of cycles is 5, the cycle duration corresponding to 5 may be 25 s. And stopping injecting the refrigerant into the air-conditioning refrigerant system when the number of times of injecting the refrigerant into the air-conditioning refrigerant system reaches a preset cycle number.
The periodic injection of the refrigerant into the refrigerant system of the air conditioner can prevent the refrigerant from being injected at one time and damaging the stability of the air conditioner during operation.
E, switching the working state of the refrigerant supplementing device at intervals of the period time to inject refrigerants into the air-conditioning refrigerant system until the number of the interval period time reaches a preset period number;
and f, executing the step of judging whether the air conditioner is in a fluorine-lacking state according to the refrigerant related parameters.
Every interval is a cycle duration, whether the refrigerant is injected into the air-conditioning refrigerant system is controlled by switching the working state of the refrigerant supplementing device 36 connected to the low-pressure side of the air-conditioning refrigerant system, the refrigerant is injected into the air-conditioning refrigerant system once in each cycle duration, and the low-pressure side of the air-conditioning refrigerant system refers to a circuit: the compressor 31, the evaporator 35 and the refrigerant supplementing device 36 are refrigerant automatic filling devices, when the air-conditioning refrigerant system is short of refrigerant, the refrigerant supplementing device 36 can supplement refrigerant to the air-conditioning refrigerant system, the low-pressure side of the air-conditioning refrigerant system is connected with the refrigerant supplementing device 36 through a stop valve 37, and the working state of the refrigerant supplementing device 36 is switched by opening and closing the stop valve 37. And stopping injecting the refrigerant into the refrigerant system of the air conditioner when the number of the interval period durations reaches the preset number of periods, executing the step of judging whether the air conditioner is in the fluorine-deficient state according to the refrigerant related parameters in the step S10, and continuously judging whether the air conditioner is in the fluorine-deficient state.
Further, the step of switching the working state of the refrigerant supplementing device connected to the low-pressure side of the air-conditioning refrigerant system every interval of the cycle duration includes:
and g, switching the working state of the refrigerant supplementing device to be opened for continuously presetting a first time length at intervals of the period time length, and switching the working state of the refrigerant supplementing device to be closed for continuously presetting a second time length, wherein the sum of the preset first time length and the preset second time length is less than or equal to the period time length.
The working state of the refrigerant supplementing device 36 is switched to be on every other period of time, so that the refrigerant is injected into the air-conditioning refrigerant system, the injection time is a preset first time, the injection mode of the refrigerant is point-spraying injection, the amount of the injected refrigerant is small in the preset first time, the impact of the excessive injected refrigerant on the air-conditioning refrigerant system is prevented, the working state of the refrigerant supplementing device 36 is switched to be off, the injection of the refrigerant into the air-conditioning refrigerant system is stopped, the air conditioner operates in the current mode, and the operation time is a preset second time, so that the air-conditioning refrigerant system stably operates after the refrigerant is added. In order to reduce the influence of the refrigerant addition on the operation state of the air-conditioning refrigerant system, the preset first time period is generally set to be a number smaller than the preset second time period. It is understood that the sum of the preset first time period and the preset second time period is less than or equal to the period time period, the preset first time period may be 3s, 4s, 5s, etc., and the preset second time period may be 15s, 20s, 25s, etc.
Further, the step of switching the working state of the refrigerant supplementing device to be on for a preset first time duration every interval of the cycle time duration includes:
and h, if the air conditioner is in a refrigeration mode, opening a stop valve of the refrigerant supplementing device at intervals of the period time, and switching the working state of the refrigerant supplementing device to be open so as to inject refrigerant into the low-pressure side of the air conditioner refrigerant system for continuously presetting a first time length.
When the air conditioner is in a refrigeration mode, the flow direction of the refrigerant in the refrigerant system of the air conditioner is compressor 31-condenser 33-throttling device 34-evaporator 35-compressor 31, the structure of the refrigerant system of the air conditioner is shown in figure 3, the refrigerant supplementing device 36 is connected with the refrigerant system of the air conditioner through a stop valve 37, the state of the refrigerant is changed into high-pressure gas state-high-pressure liquid state-low-pressure gas state, it is understood that the compressor 31 converts the refrigerant into a high pressure gaseous state and transmits it to the condenser 33, the evaporator 35 converts the refrigerant into a low pressure gaseous state and transmits it to the compressor 31, therefore, the air-conditioning refrigerant system has a high-pressure side and a low-pressure side, the high-pressure side of the air-conditioning refrigerant system is the compressor 31, the condenser 33, the throttling device 34 and the evaporator 35, the low-pressure side of the air-conditioning refrigerant system is the evaporator 35, the compressor 31, it can be understood that the connection point of the refrigerant supplementary device 36 and the air conditioning refrigerant system is on the low pressure side. The refrigerant is injected into the air-conditioning refrigerant system in a point injection mode, the amount of the injected refrigerant in unit time is small, and the refrigerant is injected into the low-pressure side of the air-conditioning refrigerant system because the high-pressure side of the air-conditioning refrigerant system has too high air pressure and a small amount of refrigerant is difficult to inject. And opening the stop valve 37 of the refrigerant supplementing device 36 every one cycle time interval, namely switching the working state of the refrigerant supplementing device 36 to be open, and injecting the refrigerant into the low-pressure side of the air-conditioning refrigerant system, wherein the time interval for injecting the refrigerant is a preset first time interval.
And i, if the air conditioner is in a heating mode, switching the air conditioner to a defrosting mode to convert a high-pressure side and a low-pressure side of the air conditioner refrigerant system, opening a stop valve of the refrigerant supplementing device, and switching the working state of the refrigerant supplementing device to be on so as to inject refrigerant into the low-pressure side of the air conditioner refrigerant system for a first duration.
When the air conditioner is in a heating mode, the flow direction of a refrigerant in an air conditioning refrigerant system is completely opposite to that in a cooling mode, namely the compressor 31, the evaporator 35, the throttling device 34, the condenser 33 and the compressor 31, and the state change of the refrigerant is still high-pressure gas state, high-pressure liquid state, low-pressure liquid state and low-pressure gas state, it can be understood that the air conditioner is in the heating mode, the high-pressure side and the low-pressure side of the air conditioning refrigerant system are opposite to those in the cooling mode, the high-pressure side is the evaporator 35, the compressor 31, the condenser 33, the throttling device 34 and the evaporator 35 are arranged on the low-pressure side, and the connecting part of the refrigerant supplementing device 36 and the air conditioning refrigerant system. In the heating mode of the air conditioner, the refrigerant is injected in a point-jet manner, so that the refrigerant is injected from the low-pressure side of the air-conditioning refrigerant system, but if the stop valve 37 of the refrigerant supplementing device 36 is directly opened, the refrigerant is injected from the high-pressure side of the air-conditioning refrigerant system, so that the air conditioner needs to be switched to the defrosting mode before the stop valve 37 of the refrigerant supplementing device 36 is opened, the functions of the evaporator 35 and the condenser 33 are converted through the four-way valve 32 in the air-conditioning refrigerant system, and further the high-pressure side and the low-pressure side of the air-conditioning refrigerant system in the heating environment can be switched, namely the high-pressure side is switched to the compressor 31, the condenser 33, the throttling device 34 and the evaporator 35, the low-pressure side is switched to the evaporator 35 and the compressor 31, then the stop valve 37 of the refrigerant supplementing device 36 is opened, and the working state of the refrigerant supplementing device 36 is switched, the time length of injecting the refrigerant is a preset first time length.
The embodiment provides an air conditioner control mode, and a refrigerant is injected into an air conditioner refrigerant system based on a preset strategy. Specifically, the working state of the refrigerant supplementing device connected to the low-pressure side of the air-conditioning refrigerant system is switched every interval of one period time, so that the refrigerant is injected into the air-conditioning refrigerant system until the number of the interval period times reaches the preset period number. And switching the working state of the refrigerant supplementing device to be on for continuously presetting a first time length, and switching the working state of the refrigerant supplementing device to be off for continuously presetting a second time length, so that the stable operation of the air-conditioning refrigerant system can be further ensured while the refrigerant is supplemented.
Further, a third embodiment of the air conditioning control method of the present invention is proposed. The third embodiment of the air conditioning control method is different from the first or second embodiment of the air conditioning control method in that, after the step of switching the working state of the refrigerant supplementing device connected to the low-pressure side of the air conditioning refrigerant system every the period duration, the method further includes:
and j, when the number of the interval period durations reaches a preset period number, controlling the air conditioner to operate according to a preset stable mode, starting timing, and executing the step of judging whether the air conditioner is in a fluorine-lacking state according to the refrigerant related parameters after a preset waiting period.
And when the number of the interval period duration reaches the preset period number, controlling the air conditioner to operate according to a preset stable mode. When the air conditioner is in a refrigerating mode, a refrigerant is injected into the refrigerant system of the air conditioner, the preset stable mode is the refrigerating mode, and when the air conditioner is in a heating mode, the refrigerant is injected into the refrigerant system of the air conditioner, the preset stable mode is the heating mode. And f, timing when the air conditioner starts to operate according to a preset stable mode, and after a preset waiting time, executing the step f, and judging whether the air conditioner is in a fluorine-lacking state according to the refrigerant related parameters.
And k, if the air conditioner is not in a fluorine-lacking state, closing the refrigerant self-supplement mode.
If the air conditioner is judged not to be in the fluorine-deficient state according to the related parameters of the refrigerant, the refrigerant self-supplement mode is closed, and the refrigerant is not injected into the refrigerant system of the air conditioner at the moment.
It should be noted that after the refrigerant self-supplement mode is closed, although the refrigerant is not injected into the refrigerant system of the air conditioner, the internal environment and the external environment of the air conditioner still need to be monitored, the related parameters of the refrigerant are obtained in real time, and whether the air conditioner is in the fluorine-deficient state is judged according to the obtained related parameters of the refrigerant in real time, and if the air conditioner is judged to be in the fluorine-deficient state, the air conditioner enters the refrigerant self-supplement mode again.
And step l, if the air conditioner is still in a fluorine-lacking state, the step of controlling the working state of refrigerant injection to the air conditioner refrigerant system based on the preset strategy is executed again.
If the air conditioner is judged to be in the fluorine-deficient state according to the refrigerant related parameters, the working state of injecting the refrigerant into the air conditioner refrigerant system is controlled based on the preset strategy again, the refrigerant is periodically injected into the air conditioner refrigerant system, but the preset period number is smaller than the preset period number in the second embodiment, and the refrigerant is prevented from being overcharged.
In this embodiment, by determining that the air conditioner is not in the fluorine-deficient state, the refrigerant self-replenishment mode is turned off, but the operation state of the air conditioner is monitored in real time, so that the refrigerant can be replenished to the air conditioner refrigerant system in time when the air conditioner is in the fluorine-deficient state, the normal operation of the air conditioner is ensured, and the experience of a user is further improved. And when the air conditioner is determined to be in the fluorine-deficient state, the step of controlling the working state of injecting the refrigerant into the air conditioner refrigerant system based on the preset strategy is executed again, and the refrigerant is continuously supplemented into the air conditioner refrigerant system so as to ensure that the air conditioner refrigerant system stores sufficient refrigerant, wherein the preset cycle number is less than the preset cycle number in the second embodiment, and the refrigerant overcharge condition is prevented.
Further, to achieve the above object, the present invention also provides an air conditioning control device including:
the acquisition module is used for acquiring related parameters of the current refrigerant of the air conditioner;
the judging module is used for judging whether the air conditioner is in a fluorine-lacking state or not according to the refrigerant related parameters;
and the control module is used for starting a refrigerant self-supplement mode of the air conditioner and controlling the working state of the refrigerant supplement device for injecting the refrigerant into the refrigerant system of the air conditioner based on a preset strategy if the air conditioner is in a fluorine-lacking state, wherein the working state comprises the starting and the closing of the refrigerant supplement device.
Further, the judging module is further configured to judge whether two or more parameter factors of the refrigerant related parameters are not in respective parameter reference ranges; if yes, judging that the air conditioner is in a fluorine-lacking state; and if not, judging that the air conditioner is not in a fluorine-lacking state.
Further, the control module further comprises:
the determining unit is used for determining the period duration according to the preset period number;
the switching unit is used for switching the working state of the refrigerant supplementing device at intervals of the cycle time length so as to inject refrigerants into the air-conditioning refrigerant system until the number of the interval cycle time lengths reaches a preset cycle number;
and the execution unit is used for executing the step of judging whether the air conditioner is in a fluorine-lacking state or not according to the refrigerant related parameters.
Further, the switching unit further includes:
and the switching subunit is used for switching the working state of the refrigerant supplementing device to be opened for continuously presetting a first time length at intervals of the period time length, and then switching the working state of the refrigerant supplementing device to be closed for continuously presetting a second time length, wherein the sum of the preset first time length and the preset second time length is less than or equal to the period time length.
Further, the switching unit further includes:
the opening subunit is used for opening a stop valve of the refrigerant supplementing device every the period duration if the air conditioner is in a refrigeration mode, switching the working state of the refrigerant supplementing device to be open, and continuously injecting the refrigerant to the low-pressure side of the air conditioner refrigerant system for a preset first duration;
the switching subunit is further configured to switch the air conditioner to a defrosting mode to switch a high-pressure side and a low-pressure side of the air-conditioning refrigerant system if the air conditioner is in a heating mode.
Further, the control module is further configured to control the air conditioner to operate according to a preset stable mode when the number of the interval cycle durations reaches a preset cycle number;
the execution unit is further used for starting timing and executing the step of judging whether the air conditioner is in a fluorine-deficient state according to the refrigerant related parameters after a preset waiting time period.
Further, the judging module further comprises;
the closing unit is used for closing the refrigerant self-supplement mode if the air conditioner is not in a fluorine-lacking state;
and the execution unit is also used for executing the step of controlling the working state of refrigerant injection into the air-conditioning refrigerant system based on the preset strategy again if the air conditioner is still in the fluorine-lacking state.
The specific implementation of the readable storage medium of the present invention is substantially the same as the embodiments of the air conditioner control method, and is not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal, such as a mobile phone, a computer, a server, an air conditioner, or a network terminal, to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The air conditioner control method is used for an air conditioner refrigerant system and is characterized in that the air conditioner refrigerant system comprises a refrigerant supplementing device connected to the low-pressure side of the air conditioner refrigerant system, and the air conditioner control method comprises the following steps:
collecting related parameters of a current refrigerant of an air conditioner, and judging whether the air conditioner is in a fluorine-deficient state or not according to the related parameters of the refrigerant;
and if the air conditioner is in a fluorine-deficient state, starting a refrigerant self-supplement mode of the air conditioner, and controlling a working state of the refrigerant supplement device for injecting the refrigerant into the air conditioner refrigerant system based on a preset strategy, wherein the working state comprises the starting and the closing of the refrigerant supplement device.
2. The method as claimed in claim 1, wherein the refrigerant-related parameters include an ambient temperature parameter, a system pressure parameter, a coil temperature parameter, an operating frequency parameter, and an exhaust temperature parameter,
the step of judging whether the air conditioner is in a fluorine-lacking state according to the refrigerant related parameters comprises the following steps of:
judging whether two or more parameter factors of the refrigerant related parameters are not in respective parameter reference ranges;
if yes, judging that the air conditioner is in a fluorine-lacking state;
and if not, judging that the air conditioner is not in a fluorine-lacking state.
3. The method as claimed in claim 1, wherein the step of controlling the working state of the refrigerant supply device for supplying the refrigerant to the air conditioning refrigerant system based on the preset strategy comprises:
determining the period duration according to the preset period number;
switching the working state of the refrigerant supplementing device at intervals of the cycle time length to inject refrigerants into the air-conditioning refrigerant system until the number of the interval cycle time lengths reaches a preset cycle number;
and executing the step of judging whether the air conditioner is in a fluorine-lacking state according to the refrigerant related parameters.
4. The air conditioning control method as claimed in claim 3, wherein the step of switching the operating state of the refrigerant supplementing device every interval of the period duration comprises:
and switching the working state of the refrigerant supplementing device to be opened for continuously presetting a first time length and switching the working state of the refrigerant supplementing device to be closed for continuously presetting a second time length at intervals of the period time length, wherein the sum of the preset first time length and the preset second time length is less than or equal to the period time length.
5. The method as claimed in claim 4, wherein the refrigerant supplement device includes a stop valve, and the step of switching the operating state of the refrigerant supplement device to be on for a preset first duration every interval of the period duration includes:
if the air conditioner is in a refrigeration mode, opening a stop valve of the refrigerant supplementing device at intervals of the period duration, and switching the working state of the refrigerant supplementing device to be open so as to continuously inject refrigerant into the low-pressure side of the air conditioner refrigerant system for a preset first duration;
if the air conditioner is in a heating mode, the air conditioner is switched to a defrosting mode to convert the high-pressure side and the low-pressure side of the air-conditioning refrigerant system, a stop valve of the refrigerant supplementing device is opened, the working state of the refrigerant supplementing device is switched to be opened, and the refrigerant is injected into the low-pressure side of the air-conditioning refrigerant system for a first duration.
6. The air conditioning control method as claimed in claim 3, wherein after the step of switching the operating state of the refrigerant supplementing device every interval of the cycle time period, the method further comprises:
and when the number of the interval period durations reaches a preset period number, controlling the air conditioner to operate according to a preset stable mode, starting timing, and executing the step of judging whether the air conditioner is in a fluorine-deficient state according to the refrigerant related parameters after a preset waiting period.
7. The method as claimed in claim 3, wherein after the step of determining whether the air conditioner is in a fluorine-deficient state according to the refrigerant-related parameter, the method further comprises:
if the air conditioner is not in a fluorine-deficient state, closing the refrigerant self-supplement mode;
and if the air conditioner is still in a fluorine-deficient state, controlling the working state of injecting the refrigerant into the air conditioner refrigerant system based on the preset strategy again.
8. An air conditioning control device characterized by comprising:
the acquisition module is used for acquiring related parameters of the current refrigerant of the air conditioner;
the judging module is used for judging whether the air conditioner is in a fluorine-lacking state or not according to the refrigerant related parameters;
and the control module is used for starting a refrigerant self-supplement mode of the air conditioner and controlling the working state of the refrigerant supplement device for injecting the refrigerant into the refrigerant system of the air conditioner based on a preset strategy if the air conditioner is in a fluorine-lacking state, wherein the working state comprises the starting and the closing of the refrigerant supplement device.
9. A terminal, characterized in that the terminal comprises a memory, a processor and an air conditioning control program stored on the memory and running on the processor, the air conditioning control program, when executed by the processor, implementing the steps of the air conditioning control method according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon an air-conditioning control program which, when executed by a processor, implements the steps of the air-conditioning control method according to any one of claims 1 to 7.
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