CN114963412B - Air conditioner and snow prevention air conditioning system - Google Patents
Air conditioner and snow prevention air conditioning system Download PDFInfo
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- CN114963412B CN114963412B CN202210544171.5A CN202210544171A CN114963412B CN 114963412 B CN114963412 B CN 114963412B CN 202210544171 A CN202210544171 A CN 202210544171A CN 114963412 B CN114963412 B CN 114963412B
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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
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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
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—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
- F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
- F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
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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
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
- F24F2130/10—Weather information or forecasts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses an air conditioner and an anti-snow air conditioning system, which are used for acquiring current environmental information of an area where an outdoor unit is located, wherein the current environmental information comprises snow fall amount and air quantity, the running duration and the rotating speed of an outdoor fan for executing snow removal operation are controlled according to the current snow fall amount and the air quantity, the outdoor fan is controlled according to the running duration and the rotating speed to execute the snow removal operation, namely, the air conditioner is started to execute the snow removal operation only when the current environmental information indicates that snow is present, compared with the regular snow blowing operation, the snow removal operation is started only when the snow is present based on the regular snow removal operation provided by the invention, so that the energy consumption consumed by the regular snow blowing operation of the air conditioner can be reduced.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner and an air conditioning system capable of preventing snow accumulation.
Background
When the outdoor unit of the top-outlet air conditioner is in a heating stop or standby state, if snowing weather is met, snow is accumulated in the outdoor unit which is not operated, when the outdoor unit is started, the snow can cause the operation load of the outdoor fan to be increased, the performance and the reliability of the unit are affected, and if the snow is accumulated on the heat exchanger, the heat exchange efficiency is reduced.
Aiming at the problem of snow accumulation of the outdoor unit, some existing treatment modes, such as installing a snow cover above the outdoor unit, are not only increasing the cost of the air conditioner, but also are not applicable to the outdoor unit of the top-outlet air conditioner; for another example, some air conditioning manufacturers may design a program control for regular snow blowing, but regular snow blowing may increase standby power consumption of the air conditioning unit.
The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
Aiming at the problems that the performance and the reliability of a unit are affected by snow accumulation of an outdoor unit of the existing air conditioner and the heat exchange efficiency is reduced, the invention provides the air conditioner and the snow accumulation prevention air conditioning system, which dynamically control the air conditioner to prevent snow accumulation according to the current snowfall and wind volume, ensure the performance and the reliability of the air conditioning system in a snowy day, and reduce the energy consumption of snow accumulation removal operation based on the dynamic snow accumulation prevention control.
In order to achieve the aim of the invention, the invention is realized by adopting the following technical scheme:
in some embodiments of the present application, an air conditioner is provided, including:
an outdoor unit including an outdoor fan;
characterized by further comprising:
the outdoor environment monitoring part is used for acquiring the current environment information of the area where the outdoor unit is located; the current environment information comprises snowfall and air quantity;
the control part is used for determining and controlling the running duration and the rotating speed of the outdoor fan for executing snow removal operation according to the snow fall amount and the air quantity;
and the execution part is used for controlling the outdoor fan to execute snow removal operation according to the operation duration and the rotating speed.
In some embodiments of the present application, there is provided an anti-snow air conditioning system, including:
an air conditioner including an outdoor unit; the outdoor unit comprises an outdoor fan;
the outdoor environment monitoring part is used for acquiring the current environment information of the area where the outdoor unit is located; the current environment information comprises snowfall and air quantity;
the snow prevention control platform is used for determining and controlling the running duration and the rotating speed of the outdoor fan for executing snow removal operation according to the snow fall amount and the air quantity; generating an accumulated snow removing instruction according to the running duration and the rotating speed; sending the snow removing instruction to the air conditioner;
the air conditioner receives and controls the outdoor fan to execute snow removal operation based on the snow removal instruction.
Compared with the prior art, the invention has the advantages and positive effects that: in the air conditioner and the snow-proof air conditioning system provided by the invention, the current environmental information of the area where the outdoor unit is located is acquired, the current environmental information comprises the snow fall amount and the air quantity, the operation duration and the rotating speed of the outdoor fan for executing snow removal operation are generated and controlled according to the current snow fall amount and the air quantity, the outdoor fan is controlled to execute the snow removal operation according to the operation duration and the rotating speed, namely, the air conditioner is started to execute the snow removal operation only when the current environmental information indicates that snow is present, compared with the regular snow blowing operation, the snow removal operation is started only when the snow is present based on the snow removal operation provided by the invention, the energy consumption consumed by the regular snow blowing operation of the air conditioner can be reduced, and the operation duration and the rotating speed of the outdoor fan can be dynamically adjusted according to the current snow fall amount and the air quantity, so that the effects of effectively removing snow and without additionally increasing the energy consumption of the snow removal operation can be achieved under different snow fall amounts and different air quantities.
Other features and advantages of the present invention will become apparent upon review of the detailed description of the invention in conjunction with the drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic functional structure of an air conditioner according to the present invention;
fig. 2 is a schematic flow chart of an operation of the air conditioner according to the present invention for removing snow;
fig. 3 is a schematic flow chart of an operation of the air conditioner for removing snow according to the first embodiment of the present invention;
fig. 4 is a schematic operation flow of the air conditioner according to the second embodiment of the present invention for performing snow removal operation;
fig. 5 is a schematic flow chart of an operation of the air conditioner for removing snow according to the third embodiment of the present invention;
FIG. 6 is a schematic diagram of a system architecture of an anti-snow air conditioning system according to the present invention;
FIG. 7 is a schematic flow chart of the snow removing operation performed by the snow accumulation preventing air conditioning system according to the present invention;
fig. 8 is a schematic flow chart of an operation of the snow removing operation performed by the snow accumulation preventing air conditioning system according to the fourth embodiment of the present invention;
fig. 9 is a schematic flow chart of an operation of the snow removing operation performed by the snow accumulation preventing air conditioning system according to the fifth embodiment of the present invention;
fig. 10 is a schematic flow chart of an operation of executing an snow removing operation of the snow accumulation preventing air conditioning system according to the sixth embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
The air conditioner in this application performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and refrigerating or heating an indoor space.
The low-temperature low-pressure refrigerant enters the compressor, the compressor compresses the refrigerant gas into a high-temperature high-pressure state, and the compressed refrigerant gas is discharged. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state formed by condensation in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator may achieve a cooling effect by exchanging heat with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner may adjust the temperature of the indoor space throughout the cycle.
An outdoor unit of an air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, an indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger function as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater of a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler of a cooling mode.
In combination with the above, the application provides an air conditioner, which aims at guaranteeing the performance and the reliability of an air conditioning system, and simultaneously, executing snow removal operation with low energy consumption and high efficiency, and guaranteeing that an outdoor unit of the air conditioner can normally start heating in snowfall weather.
Specifically, as shown in fig. 1, the air conditioner provided in the present application includes: (snow removal operation is performed according to the steps shown in FIG. 2)
The outdoor unit of the outdoor unit, i.e., the air conditioner, includes a casing in which a compressor, an outdoor heat exchanger, and an outdoor fan 1 are disposed.
An outdoor environment monitoring unit 2 for executing step S1: acquiring current environment information of an area where an outdoor unit is located; the current environmental information at least comprises snowfall and air quantity.
In some embodiments of the present invention, specific data of the snowfall amount and the air volume are acquired and applied, and in other embodiments of the present invention, after the specific data of the snowfall amount and the air volume are acquired, the snowfall amount and the air volume may be classified according to the data range, and classification data of the snowfall amount and the air volume may be applied.
The outdoor environment monitoring section 2 here is a device, module or system capable of acquiring real-time weather condition data of an area where the outdoor unit is located, such as an outdoor environment sensor, an internet weather forecast system, or the like.
A control unit 3 for executing step S2: and determining the operation time and the rotation speed for controlling the outdoor fan to execute snow removal operation according to the snow fall amount and the air quantity.
In the embodiment of the invention, the snow removal operation time length and the rotating speed of the outdoor fan are determined by comprehensively considering the snow reduction amount and the air quantity.
The snow removing operation at least comprises the steps of controlling the outdoor fan to operate according to the set operation time and the set rotation speed, and blowing off the snow on the surface of the outdoor unit based on the operation of the outdoor fan to avoid accumulation.
An execution unit 4 for executing step S3: and controlling the outdoor fan to execute snow removal operation according to the operation time and the rotating speed.
Based on the air conditioner provided by the invention, when the current environmental information shows that the snowfall exists, the air conditioner is started to implement snow removal operation, compared with regular snow blowing operation, based on the snow removal operation provided by the invention, the snow removal operation is started only when the snowfall exists, so that the energy consumption consumed by the regular snow blowing operation of the air conditioner can be reduced.
The following describes the operation of removing snow in the air conditioner according to several embodiments.
Example 1
In some embodiments of the present invention, the air conditioner (based on its main controller) performs the snow removal operation according to the steps shown in fig. 3:
step 31: and acquiring current snowfall information and wind volume information of the area where the outdoor unit is located.
The outdoor unit of the air conditioner is provided with a positioning device, so that the area where the outdoor unit is positioned is obtained based on positioning; or, the default positioning data of the air conditioner is obtained through the positioning of the user terminal associated with the air conditioner, and the area where the outdoor unit is located is obtained based on the positioning.
After the area of the outdoor unit is known, real-time weather forecast information can be obtained through the local Internet, current snowfall information and wind volume information are determined in the weather forecast information, snow removal operation is not executed when the snowfall information does not exist or is zero, and step S31 is restarted after set time to obtain the weather forecast information; when there is snowfall information and wind amount information, the flow proceeds to step S32.
Step S32: determining the snowfall level of the snowfall amount, and determining the forward running duration and the forward running rotating speed of the outdoor fan according to the snowfall level.
In some embodiments of the present invention, the classification is performed according to the snowfall amount, and the snowfall level to which the snowfall amount belongs is determined according to the snowfall amount data, for example, a small snow level, a medium snow level, a large snow level, a snow storm level, etc.
And further determining the forward running time and the forward running rotating speed of the outdoor fan according to the snowfall level, wherein the forward running time and the forward running rotating speed are one embodiment shown in the following table one:
list one
| Snow level | Duration of forward operation | Forward rotation speed |
| Snow with small size | Tf1 | Ff1 |
| Middle snow | Tf2 | Ff2 |
| Snow with big snow | Tf3 | Ff3 |
| Snow storm | Tf4 | Ff4 |
With the increase of the snowfall level, the forward operation duration of the outdoor fan increases, and the forward operation rotation speed increases, namely Tf1< Tf2< Tf3< Tf4, ff1< Ff2< Ff3< Ff4.
Step S33: determining the air quantity grade to which the air quantity belongs, and determining the reverse operation time length and the reverse operation rotating speed of the outdoor fan according to the air quantity grade.
In some embodiments of the present invention, classification is performed according to the component sizes, the air volume level to which the air volume data belongs is determined according to the air volume data, and further, the reverse operation duration and the reverse operation rotation speed of the outdoor fan are determined according to the air volume level, which is one embodiment shown in the following table two:
watch II
| Air volume level | Duration of reverse operation | Reverse rotation speed |
| <Grade 4 | Tr1 | Fr1 |
| 4-level less than or equal to air quantity<Level 7 | Tr2 | Fr2 |
| The air quantity is more than or equal to 7 level | Tr3 | Fr3 |
With the increase of the air volume level, the reverse operation duration of the outdoor fan is increased, and the reverse operation rotation speed is increased, namely Tr1< Tr2< Tr3, and Fr1< Fr2< Fr3.
Step S34: and controlling the outdoor fan to execute snow removal operation according to the forward operation time length, the forward operation rotating speed, the reverse operation time length and the reverse operation rotating speed.
In some embodiments of the present invention, after the forward operation duration of the outdoor fan is controlled according to the forward operation rotation speed, the outdoor fan is continuously controlled to operate for a reverse operation duration according to the reverse operation rotation speed, then the outdoor fan is controlled to stop operating, and after the set duration, the above steps are repeated until the snowfall stops.
In other embodiments of the present invention, after the forward operation duration of the outdoor fan is controlled according to the forward operation rotation speed, the outdoor fan is controlled to stop operating for a set duration, then the outdoor fan is controlled to operate for a reverse operation duration according to the reverse operation rotation speed, then the outdoor fan is controlled to stop operating for a set duration, and the forward and reverse operation steps are repeated until the snowfall stops.
The embodiment of the invention combines the influences of the snow fall amount and the air quantity on the snow accumulated in the outdoor unit, and ensures that the snow cannot be accumulated on the shell of the outdoor unit and the snow which is driven by the air to enter the shell of the outdoor unit (normally accumulated on the outdoor heat exchanger) is blown out of the shell by the way of executing the forward running and the reverse running of the outdoor fan at intervals.
Example two
In some embodiments of the present invention, the air conditioner (based on its master) performs the snow removal operation according to the steps shown in fig. 4.
Step S41: and acquiring current snowfall information and wind volume information of the area where the outdoor unit is located.
In some embodiments of the present invention, the information of the area where the air conditioner is located may be set through a line controller, a remote controller, an intelligent control terminal, etc.; the air conditioner acquires local weather forecast information periodically (for example, once a day) after the local winter comes according to the weather characteristics of the area where the air conditioner is located, judges whether the weather forecast information of the current day contains snowfall forecast, if so, sets an acquisition frequency, for example, once an hour, acquires real-time weather forecast information from the Internet according to the acquisition frequency, and analyzes snowfall information and wind volume information based on the real-time weather forecast information.
Step S42: determining the snowfall level of the snowfall and the air volume level of the air volume.
In some embodiments of the present invention, the classification is performed according to the snowfall amount, and the snowfall level to which the snowfall amount belongs is determined according to the snowfall amount data, for example, a small snow level, a medium snow level, a large snow level, a snow storm level, etc.
In some embodiments of the present invention, the classification is performed according to the air volume, and the snowing level is determined according to the air volume data, for example, the air with the level less than 4 is divided into a small air volume range, the air with the level greater than or equal to 4 and less than 7 is divided into a medium air volume range, and the air with the level greater than or equal to 7 is divided into a large air volume range.
Step S43: and determining the forward running time and the forward running rotating speed of the outdoor fan according to the snowfall level.
The forward operating time and the operating speed of the outdoor fan are determined according to the snowfall level, and reference is made to the embodiment shown in table one.
Step S44: and determining the reverse operation time and the reverse operation rotating speed of the outdoor fan according to the air volume level and the snowfall level.
In some embodiments of the present invention, the reverse operating parameters of the outdoor fans are subdivided for different snowfall levels at different air volume levels, as shown in the following table three:
watch III
Wherein, as the air volume level increases, the reverse operation duration of the outdoor fan increases, the reverse operation rotation speed increases, that is, tr1# < tr2# < tr3#, fr1# < fr2# < fr3#, # includes all cases of 1, 2, 3, and 4.
At the same air volume level, along with the increase of the snowfall level, the reverse operation duration of the outdoor fan is increased, and the reverse operation rotation speed is increased, namely, tr1< Tr2< Tr 3< Tr 4, fr1< fr2< fr 3< fr 4, and the unified represents 1, 2, 3 or 4.
Step S45: and controlling the outdoor fan to execute snow removal operation according to the forward operation time length, the forward operation rotating speed, the reverse operation time length and the reverse operation rotating speed.
In some embodiments of the present invention, after the forward operation duration of the outdoor fan is controlled according to the forward operation rotation speed, the outdoor fan is continuously controlled to operate for a reverse operation duration according to the reverse operation rotation speed, then the outdoor fan is controlled to stop operating, and after the set duration, the above steps are repeated until the snowfall stops.
In other embodiments of the present invention, after the forward operation duration of the outdoor fan is controlled according to the forward operation rotation speed, the outdoor fan is controlled to stop operating for a set duration, then the outdoor fan is controlled to operate for a reverse operation duration according to the reverse operation rotation speed, then the outdoor fan is controlled to stop operating for a set duration, and the forward and reverse operation steps are repeated until the snowfall stops.
According to the embodiment of the invention, the reversing time length and the reversing rotation speed of the outdoor fan are not only related to the air quantity, but also related to the snow fall quantity, the reversing time length and the reversing rotation speed are different when the air quantity is different under the same snow fall quantity, and the reversing time length and the reversing rotation speed are also different when the air quantity is different under the same air fall quantity, so that the control precision of the outdoor fan is further improved.
Example III
In some embodiments of the present invention, the air conditioner (based on its master) performs the snow removal operation according to the steps shown in fig. 5:
step S51: and acquiring current snowfall information and wind volume information of the area where the outdoor unit is located.
In some embodiments of the present invention, an intelligent terminal, such as a user smart phone, is used to associate the air conditioner control APP with the weather forecast APP, and obtain local real-time weather forecast data from the weather forecast APP, so as to implement intelligent air conditioner control according to the local real-time weather forecast, for example, in this embodiment, snow fall information and wind fall information are obtained therefrom.
Step S52: determining the snowfall level of the snowfall and the air volume level of the air volume.
In some embodiments of the present invention, the classification is performed according to the snowfall amount, and the snowfall level to which the snowfall amount belongs is determined according to the snowfall amount data, for example, a small snow level, a medium snow level, a large snow level, a snow storm level, etc.
In some embodiments of the present invention, the classification is performed according to the air volume, and the snowing level is determined according to the air volume data, for example, the air with the level less than 4 is divided into a small air volume range, the air with the level greater than or equal to 4 and less than 7 is divided into a medium air volume range, and the air with the level greater than or equal to 7 is divided into a large air volume range.
Step S53: and determining the forward running time and the forward running rotating speed of the outdoor fan according to the snowfall level.
The forward operating time and the operating speed of the outdoor fan are determined according to the snowfall level, and reference is made to the embodiment shown in table one.
Step S54: and determining the reverse operation time and the reverse operation rotating speed of the outdoor fan according to the air volume level and the snowfall level.
Reference may be made to the embodiment shown in table three.
Step S55: and determining the execution period of the outdoor fan for executing snow removal operation according to the snow fall amount and the air quantity.
The control unit 3 obtains an execution cycle of snow removal operation adapted to the current snowfall situation according to the snowfall amount or the snowfall level and the air volume or the air volume level, according to empirical value comparison or other algorithm models (not defined by the present invention), and the execution cycle is generally greater than the sum of the forward operation duration and the reverse operation duration.
Step S56: and controlling the outdoor fan to operate for a forward operation time period according to the forward operation rotating speed and to operate for a reverse operation time period according to the reverse operation rotating speed in the current execution period.
In some embodiments of the present invention, the execution unit 4 controls the outdoor fan to operate at the forward operation rotational speed at the start of the current execution period and to operate at the reverse operation rotational speed for the reverse operation period before the end of the current execution period during the period of controlling the outdoor fan to perform the snow removing operation according to the operation period and the rotational speed.
In some embodiments of the present invention, the execution unit 4 continuously controls the outdoor fan to operate for a reverse operation duration at a reverse operation rotation speed after controlling the outdoor fan to operate for a forward operation duration at a forward operation rotation speed at the start of a current execution period during the snow removing operation performed by the outdoor fan according to the operation duration and the operation rotation speed.
In some embodiments of the present invention, the sum of the forward operation duration and the reverse operation duration is at most equal to the execution period, that is, the outdoor fan performs the snow removing operation uninterruptedly.
In the embodiment of the invention, the execution period of the outdoor unit for executing the snow removing operation is set based on the snow removing amount and the air volume, and the frequency of the snow removing operation is limited by the execution period, so that the outdoor unit can be understood as being relatively long in the case of small snow removing amount, relatively short in the case of large snow removing amount, relatively long in the case of small air volume and relatively short in the case of large air volume; by limiting the execution period, unnecessary snow removal operation is avoided, so that snow removal power consumption is reduced to the maximum limit.
The invention also provides an anti-snow air conditioning system, which aims to ensure the performance and reliability of the air conditioning system, simultaneously, the snow removing operation is implemented with low energy consumption and high efficiency, and the outdoor unit of the air conditioner can be normally started for heating in snowfall weather.
Specifically, the snow air conditioning system provided in the present application includes as shown in fig. 6: (snow removal operation is performed according to the steps shown in FIG. 7)
The air conditioner 61 includes an outdoor unit including a casing in which a compressor, an outdoor heat exchanger, and an outdoor fan 1 are disposed, i.e., an outdoor unit of the air conditioner.
The outdoor environment monitoring section 62 is configured to execute step S71: acquiring current environment information of an area where an outdoor unit is located; the current environmental information at least comprises snowfall and air quantity.
In some embodiments of the present invention, specific data of the snowfall amount and the air volume are acquired and applied, and in other embodiments of the present invention, after the specific data of the snowfall amount and the air volume are acquired, the snowfall amount and the air volume may be classified according to the data range, and classification data of the snowfall amount and the air volume may be applied.
The outdoor environment monitoring section 62 is a device, module or system capable of acquiring real-time weather condition data of an area where the outdoor unit is located, such as an outdoor environment sensor, an internet weather forecast system, or the like.
The snow control platform 63, typically a cloud platform, a server, etc. interconnected with the air conditioner 61 through the internet, is configured to execute step S72: determining the operation time and the rotation speed for controlling the outdoor fan to execute snow removal operation according to the snow fall amount and the air quantity; and generating an accumulated snow removing instruction according to the operation time length and the operation rotating speed, and sending the accumulated snow removing instruction to the air conditioner.
In the embodiment of the invention, the snow removal operation time length and the rotating speed of the outdoor fan are determined by comprehensively considering the snow reduction amount and the air quantity.
The snow removing operation at least comprises the steps of controlling the outdoor fan to operate according to the set operation time and the set rotation speed, and blowing off the snow on the surface of the outdoor unit based on the operation of the outdoor fan to avoid accumulation.
The air conditioner 61 performs step S73: and receiving and controlling the outdoor fan to execute snow removal operation based on the snow removal instruction.
After receiving the snow removing command, the air conditioner 61 analyzes the snow removing command to obtain the operation duration and the operation rotation speed of the outdoor fan, and controls the outdoor fan to perform snow removing operation according to the operation duration and the rotation speed.
Based on the snow prevention air conditioning system provided by the invention, when the current environmental information shows that snow is reduced, the air conditioner is started to implement snow removal operation, compared with regular snow blowing operation, based on the snow removal operation provided by the invention, the snow removal operation is started only when the snow is reduced, so that the energy consumption consumed by the regular snow blowing operation of the air conditioner can be reduced.
The following describes the snow removal operation performed by the snow protection air conditioning system according to the present invention in detail with several embodiments.
Example IV
In some embodiments of the present invention, the air conditioner 61, the outdoor environment monitoring part 62 and the snow cover prevention control platform 63 perform the snow cover removal operation according to the steps shown in fig. 8:
step 81: the outdoor environment monitoring unit acquires current snowfall information and wind volume information of an area where the outdoor unit is located.
The outdoor unit of the air conditioner is provided with a positioning device, so that the area where the outdoor unit is positioned is obtained based on positioning; or, the default positioning data of the air conditioner is obtained through the positioning of the user terminal associated with the air conditioner, and the area where the outdoor unit is located is obtained based on the positioning.
After the area of the outdoor unit is known, real-time weather forecast information can be obtained through the local Internet, current snowfall information and wind volume information are determined in the weather forecast information, when the snowfall information does not exist or is zero, snow removal operation is not executed, and after the set time, the step S81 is restarted to obtain the weather forecast information; when there is snowfall information and wind amount information, the flow proceeds to step S82.
Step S82: the snow prevention control platform determines the snowfall level to which the snowfall belongs according to the snowfall information, and determines the forward running duration and the forward running rotating speed of the outdoor fan according to the snowfall level.
In some embodiments of the present invention, the classification is performed according to the snowfall amount, and the snowfall level to which the snowfall amount belongs is determined according to the snowfall amount data, for example, a small snow level, a medium snow level, a large snow level, a snow storm level, etc.
And further determining the forward running time and the forward running rotating speed of the outdoor fan according to the snowfall level, as shown in the embodiment of the table one.
Step S83: the snow prevention control platform determines the air volume level to which the air volume belongs according to the air volume information, and determines the reverse operation duration and the reverse operation rotating speed of the outdoor fan according to the air volume level.
In some embodiments of the present invention, classification is performed according to the component sizes, the air volume level to which the air volume data belongs is determined according to the air volume data, and further, the reverse operation duration and the reverse operation rotation speed of the outdoor fan are determined according to the air volume level, which is shown in the second embodiment.
Step S84: the snow removing control platform generates a snow removing instruction according to the forward operation duration, the forward operation rotating speed, the reverse operation duration and the reverse operation rotating speed and sends the snow removing instruction to the air conditioner.
Step S85: the air conditioner receives and controls the outdoor fan to execute snow removal operation based on the snow removal instruction.
In some embodiments of the present invention, under the instruction of the snow removing instruction, after the forward running duration of the outdoor fan is controlled according to the forward running rotation speed, the reverse running duration of the outdoor fan is continuously controlled according to the reverse running rotation speed, then the outdoor fan is controlled to stop running, and after the set duration, the above steps are repeated until the snow is stopped.
In other embodiments of the present invention, after the forward running time of the outdoor fan is controlled according to the forward running speed under the instruction of the snow removing instruction, the set time of stopping the outdoor fan is controlled, then the reverse running time of the outdoor fan is controlled according to the reverse running speed, then the set time of stopping the outdoor fan is controlled, and the forward and reverse running steps are repeated until the snow is reduced.
The embodiment of the invention combines the influences of the snow fall amount and the air quantity on the snow of the outdoor unit, and ensures that the snow cannot be accumulated on the shell of the outdoor unit and the snow entering the shell of the outdoor unit (normally accumulated on the outdoor heat exchanger) under the influence of the air is blown out of the shell by the way of executing the forward operation and the reverse operation of the outdoor fan at intervals.
Example five
In some embodiments of the present invention, the air conditioner 61, the outdoor environment monitoring part 62 and the snow cover prevention control platform 63 perform the snow cover removal operation according to the steps shown in fig. 9:
step S91: the outdoor environment monitoring unit acquires current snowfall information and wind volume information of an area where the outdoor unit is located.
In some embodiments of the present invention, the information of the area where the air conditioner is located may be set through a line controller, a remote controller, an intelligent control terminal, etc.; the snow prevention control platform acquires local weather forecast information periodically (for example, once a day) after the local winter comes according to the weather characteristics of the area where the snow prevention control platform is located, judges whether the weather forecast information of the current day contains snowfall forecast, if so, sets an acquisition frequency, for example, once an hour, acquires real-time weather forecast information from the Internet according to the acquisition frequency, and analyzes snowfall information and wind volume information based on the real-time weather forecast information.
Step S92: and the snow prevention control platform determines the snowfall level of the snowfall and the air volume level of the air volume according to the snowfall information and the air volume information.
In some embodiments of the present invention, the classification is performed according to the snowfall amount, and the snowfall level to which the snowfall amount belongs is determined according to the snowfall amount data, for example, a small snow level, a medium snow level, a large snow level, a snow storm level, etc.
In some embodiments of the present invention, the classification is performed according to the air volume, and the snowing level is determined according to the air volume data, for example, the air with the level less than 4 is divided into a small air volume range, the air with the level greater than or equal to 4 and less than 7 is divided into a medium air volume range, and the air with the level greater than or equal to 7 is divided into a large air volume range.
Step S93: and the snow prevention control platform determines the forward running time and the forward running rotating speed of the outdoor fan according to the snowfall level.
The forward operating time and the operating speed of the outdoor fan are determined according to the snowfall level, and reference is made to the embodiment shown in table one.
Step S94: and the snow accumulation prevention control platform determines the reverse operation duration and the reverse operation rotating speed of the outdoor fan according to the air volume level and the snowfall level.
In some embodiments of the present invention, the reverse operating parameters of the outdoor fan are subdivided for different snowfall levels at different air volume levels, as shown in table three.
Step S95: the snow removing control platform generates a snow removing instruction according to the forward operation duration, the forward operation rotating speed, the reverse operation duration and the reverse operation rotating speed and sends the snow removing instruction to the air conditioner.
Step S96: the air conditioner receives and controls the outdoor fan to execute snow removal operation based on the snow removal instruction.
In some embodiments of the present invention, under the instruction of the snow removing instruction, after the forward running duration of the outdoor fan is controlled according to the forward running rotation speed, the reverse running duration of the outdoor fan is continuously controlled according to the reverse running rotation speed, then the outdoor fan is controlled to stop running, and after the set duration, the above steps are repeated until the snow is stopped.
In other embodiments of the present invention, after the forward running time of the outdoor fan is controlled according to the forward running speed under the instruction of the snow removing instruction, the set time of stopping the outdoor fan is controlled, then the reverse running time of the outdoor fan is controlled according to the reverse running speed, then the set time of stopping the outdoor fan is controlled, and the forward and reverse running steps are repeated until the snow is reduced.
According to the embodiment of the invention, the reversing time length and the reversing rotation speed of the outdoor fan are not only related to the air quantity, but also related to the snow fall quantity, the reversing time length and the reversing rotation speed are different when the air quantity is different under the same snow fall quantity, and the reversing time length and the reversing rotation speed are also different when the air quantity is different under the same air fall quantity, so that the control precision of the outdoor fan is further improved.
Example six
In some embodiments of the present invention, the air conditioner 61, the outdoor environment monitoring part 62 and the snow cover prevention control platform 63 perform the snow cover removal operation according to the steps shown in fig. 10:
step S101: the outdoor environment monitoring unit acquires current snowfall information and wind volume information of an area where the outdoor unit is located.
In some embodiments of the present invention, an intelligent terminal, such as a user smart phone, is used to associate the air conditioner control APP with the weather forecast APP, and obtain local real-time weather forecast data from the weather forecast APP, so as to implement intelligent air conditioner control according to the local real-time weather forecast, for example, in this embodiment, snow fall information and wind fall information are obtained therefrom.
Step S102: and the snow prevention control platform determines the snowfall level of the snowfall and the air volume level of the air volume according to the snowfall information and the air volume information.
In some embodiments of the present invention, the classification is performed according to the snowfall amount, and the snowfall level to which the snowfall amount belongs is determined according to the snowfall amount data, for example, a small snow level, a medium snow level, a large snow level, a snow storm level, etc.
In some embodiments of the present invention, the classification is performed according to the air volume, and the snowing level is determined according to the air volume data, for example, the air with the level less than 4 is divided into a small air volume range, the air with the level greater than or equal to 4 and less than 7 is divided into a medium air volume range, and the air with the level greater than or equal to 7 is divided into a large air volume range.
Step S103: and the snow prevention control platform determines the forward running time and the forward running rotating speed of the outdoor fan according to the snowfall level.
The forward operating time and the operating speed of the outdoor fan are determined according to the snowfall level, and reference is made to the embodiment shown in table one.
Step S104: and the snow accumulation prevention control platform determines the reverse operation duration and the reverse operation rotating speed of the outdoor fan according to the air volume level and the snowfall level.
Reference may be made to the embodiment shown in table three.
Step S105: and the snow prevention control platform determines the execution period of the outdoor fan for executing snow removal operation according to the snow fall amount and the air quantity.
The snow control platform 63 obtains an execution period of the snow removal operation adapted to the current snowfall situation according to the snowfall amount or the snowfall level, and the air volume or the air volume level, according to the empirical value comparison or other algorithm models (not defined by the present invention), and the execution period is generally greater than the sum of the forward running duration and the reverse running duration.
Step S106: the snow accumulation prevention control platform generates a snow accumulation removal instruction according to the forward operation duration, the forward operation rotating speed, the reverse operation duration, the reverse operation rotating speed and the execution period and sends the snow accumulation removal instruction to the air conditioner.
Step S107: the air conditioner receives and controls the outdoor fan to operate for a forward operation time period according to the forward operation rotating speed and to operate for a reverse operation time period according to the reverse operation rotating speed in the current execution period based on the snow removing command.
In some embodiments of the present invention, the air conditioner 61 controls the outdoor fan to operate at the forward operation rotational speed at the start of the current execution period and to operate at the reverse operation rotational speed for the reverse operation period before the end of the current execution period during the snow removing operation performed by the outdoor fan according to the operation period and the rotational speed.
In some embodiments of the present invention, the air conditioner 61 continuously controls the outdoor fan to operate at the reverse operation rotation speed for the reverse operation period after controlling the outdoor fan to operate at the forward operation rotation speed for the forward operation period at the start of the current execution period during the snow removing operation performed by the outdoor fan according to the operation period and the operation rotation speed.
In some embodiments of the present invention, the sum of the forward operation duration and the reverse operation duration is at most equal to the execution period, that is, the outdoor fan performs the snow removing operation uninterruptedly.
In the embodiment of the invention, the execution period of the outdoor unit for executing the snow removing operation is set based on the snow removing amount and the air volume, and the frequency of the snow removing operation is limited by the execution period, so that the outdoor unit can be understood as being relatively long in the case of small snow removing amount, relatively short in the case of large snow removing amount, relatively long in the case of small air volume and relatively short in the case of large air volume; by limiting the execution period, unnecessary snow removal operation is avoided, so that snow removal power consumption is reduced to the maximum limit.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (6)
1. An air conditioner, comprising:
an outdoor unit including an outdoor fan;
characterized by further comprising:
the outdoor environment monitoring part is used for acquiring the current environment information of the area where the outdoor unit is located; the current environment information comprises snowfall and air quantity;
the control part is used for determining and controlling the running duration and the rotating speed of the outdoor fan for executing snow removal operation according to the snow fall amount and the air quantity; comprising the following steps: acquiring current snowfall information and wind quantity information of an area where an outdoor unit is located, determining a snowfall level to which the snowfall belongs, and determining forward running duration and forward running rotating speed of an outdoor fan according to the snowfall level; along with the increase of the snowing level, the forward running time length of the outdoor fan is prolonged, and the forward running rotating speed is increased; determining an air quantity grade to which the air quantity belongs, and determining the reverse operation time length and the reverse operation rotating speed of the outdoor fan according to the air quantity grade; along with the increase of the air quantity level, the reverse operation duration of the outdoor fan is prolonged, and the reverse operation rotating speed is increased; after the outdoor fan is controlled to operate the forward operation duration according to the forward operation rotating speed when the current execution period starts, the outdoor fan is controlled to operate the reverse operation duration according to the reverse operation rotating speed;
and the execution part is used for controlling the outdoor fan to execute snow removal operation according to the operation duration and the rotating speed.
2. An air conditioner according to claim 1, wherein,
the control part is also used for determining the execution period of the outdoor fan for executing snow removal operation according to the snow fall amount and the air quantity; the execution period is greater than a sum of the forward operation period and the reverse operation period.
3. An air conditioner according to claim 2, wherein,
the execution part is used for controlling the outdoor fan to operate the forward operation duration according to the forward operation rotating speed when the current execution period starts and controlling the outdoor fan to operate the reverse operation duration according to the reverse operation rotating speed before the current execution period ends during the period of executing snow removing operation according to the operation duration and the rotating speed; or alternatively, the first and second heat exchangers may be,
and after the outdoor fan is controlled to operate the forward operation time according to the forward operation rotating speed when the current execution period starts, continuously controlling the outdoor fan to operate the reverse operation time according to the reverse operation rotating speed.
4. An anti-snow air conditioning system, comprising:
an air conditioner including an outdoor unit; the outdoor unit comprises an outdoor fan;
the outdoor environment monitoring part is used for acquiring the current environment information of the area where the outdoor unit is located; the current environment information comprises snowfall and air quantity;
the snow prevention control platform is used for determining and controlling the running duration and the rotating speed of the outdoor fan for executing snow removal operation according to the snow fall amount and the air quantity; generating an accumulated snow removing instruction according to the running duration and the rotating speed; sending the snow removing instruction to the air conditioner; comprising the following steps: acquiring current snowfall information and wind quantity information of an area where an outdoor unit is located, determining a snowfall level to which the snowfall belongs, and determining forward running duration and forward running rotating speed of an outdoor fan according to the snowfall level; along with the increase of the snowing level, the forward running time length of the outdoor fan is prolonged, and the forward running rotating speed is increased; determining an air quantity grade to which the air quantity belongs, and determining the reverse operation time length and the reverse operation rotating speed of the outdoor fan according to the air quantity grade; along with the increase of the air quantity level, the reverse operation duration of the outdoor fan is prolonged, and the reverse operation rotating speed is increased; after the outdoor fan is controlled to operate the forward operation duration according to the forward operation rotating speed when the current execution period starts, the outdoor fan is controlled to operate the reverse operation duration according to the reverse operation rotating speed;
the air conditioner receives and controls the outdoor fan to execute snow removal operation based on the snow removal instruction.
5. The snow protection air conditioning system according to claim 4, wherein the snow protection control platform is further configured to determine an execution period of the snow removal operation performed by the outdoor fan according to the snow fall amount and the air volume; the execution period is greater than a sum of the forward operation period and the reverse operation period.
6. The snow cover prevention air conditioning system according to claim 5, wherein the air conditioner controls the outdoor fan to operate at the forward operation rotational speed at the start of a current execution period for the duration of the forward operation and controls the outdoor fan to operate at the reverse operation rotational speed before the end of the current execution period for the duration of the reverse operation during the snow cover removal operation performed by the outdoor fan according to the operation duration and the rotational speed; or alternatively, the first and second heat exchangers may be,
and after the outdoor fan is controlled to operate the forward operation time according to the forward operation rotating speed when the current execution period starts, continuously controlling the outdoor fan to operate the reverse operation time according to the reverse operation rotating speed.
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