CN113294895A - Cloud air conditioner outdoor unit, cloud multi-connected air conditioner outdoor unit and control method thereof - Google Patents
Cloud air conditioner outdoor unit, cloud multi-connected air conditioner outdoor unit and control method thereof Download PDFInfo
- Publication number
- CN113294895A CN113294895A CN202110604037.5A CN202110604037A CN113294895A CN 113294895 A CN113294895 A CN 113294895A CN 202110604037 A CN202110604037 A CN 202110604037A CN 113294895 A CN113294895 A CN 113294895A
- Authority
- CN
- China
- Prior art keywords
- defrosting
- outdoor unit
- air conditioner
- conditioner outdoor
- control instruction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- 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
-
- 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
- F24F11/58—Remote control using Internet communication
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a cloud air conditioner outdoor unit, a cloud multi-connected air conditioner outdoor unit and a control method thereof, wherein the cloud air conditioner outdoor unit comprises: the air conditioner outdoor unit collects and reports operation parameters of the air conditioner outdoor unit in real time and receives a control instruction, when the air conditioner outdoor unit is in a heating working mode, the cloud computing platform completes defrosting control decision based on operation parameter calculation and issues a defrosting control instruction to the air conditioner outdoor unit, and the air conditioner outdoor unit achieves defrosting according to the defrosting control instruction. According to the invention, a complex logic defrosting control decision is completed through the cloud computing platform, so that the defrosting of the air conditioner outdoor unit is realized, the problems of insufficient computing capability of a built-in controller of the air conditioner outdoor unit and high management and maintenance cost of the air conditioner outdoor unit are solved, the computing capability, the computing speed and the computing accuracy are improved, and the management and maintenance cost of the air conditioner outdoor unit is reduced.
Description
Technical Field
The invention relates to the technical field of air conditioner outdoor units, in particular to a cloud air conditioner outdoor unit, a cloud multi-connected air conditioner outdoor unit and a control method thereof.
Background
In the heating working mode, the outdoor unit of the air conditioner absorbs heat, the temperature of an outdoor heat exchanger body in the outdoor unit of the air conditioner can be reduced to be below zero, and the surrounding moisture can be quickly condensed into frost to be attached to the outdoor heat exchanger. If the defrosting is not carried out in time, the heat exchange capacity of the outdoor heat exchanger is reduced and the running performance of the air conditioner is influenced.
At present, in the heating operation work of an air conditioner outdoor unit, in order to avoid frosting on an outdoor heat exchanger, a temperature threshold and a heating operation accumulated time threshold are usually preset, and a defrosting control logic is completed based on a built-in controller of the air conditioner outdoor unit, so that defrosting of the outdoor heat exchanger is realized.
However, in the prior art, the calculation capability of the built-in controller of the air conditioner outdoor unit is limited, and when a complex defrosting logic calculation is performed, the load of the built-in controller of the air conditioner outdoor unit is increased, and the management and maintenance costs of the air conditioner outdoor unit are increased.
Disclosure of Invention
The invention provides a cloud air conditioner outdoor unit, a cloud multi-connected air conditioner outdoor unit and a control method thereof, and aims to solve the technical problems that a built-in controller of the air conditioner outdoor unit in the prior art is insufficient in operation capacity and high in management and maintenance cost of the air conditioner outdoor unit.
In a first aspect, an embodiment of the present invention provides an outdoor unit of a cloud air conditioner, including:
an air conditioner outdoor unit configured to: collecting and reporting the operation parameters of the outdoor unit of the air conditioner in real time, and receiving a control instruction;
the cloud computing platform is connected with the air conditioner outdoor unit in a communication mode and is configured to: when the air-conditioning outdoor unit is in a heating working mode, a defrosting control decision is completed based on operation parameter calculation, a defrosting control instruction is issued to the air-conditioning outdoor unit, and defrosting is achieved by the air-conditioning outdoor unit according to the defrosting control instruction.
In some of these embodiments, the cloud computing platform is further configured to:
based on the operation parameters, when the operation parameters meet preset defrosting starting conditions, a defrosting starting control instruction is issued to an air conditioner outdoor unit, and the air conditioner outdoor unit starts defrosting according to the defrosting starting control instruction;
and based on the operation parameters, when the operation parameters meet preset defrosting ending conditions, a defrosting ending control instruction is issued to the air conditioner outdoor unit, and the air conditioner outdoor unit ends defrosting according to the defrosting ending control instruction.
In some of these embodiments, the cloud computing platform is further configured to:
based on the operation parameters, when the operation parameters meet a first preset defrosting starting condition and simultaneously meet a second preset defrosting starting condition, a defrosting starting control instruction is issued to the air conditioner outdoor unit, and the air conditioner outdoor unit starts defrosting according to the defrosting starting control instruction.
In some of these embodiments, the cloud computing platform is further configured to:
the method comprises the steps of presetting a plurality of first preset defrosting ending conditions with priority relations, issuing a defrosting ending control instruction to an air-conditioning outdoor unit when the operation parameters meet the first preset defrosting ending conditions according to the priority relations based on operation parameters, and ending defrosting by the air-conditioning outdoor unit according to the defrosting ending control instruction.
In some embodiments, an outdoor unit of an air conditioner includes:
at least one sensor configured to: collecting the operating parameters of the outdoor unit of the air conditioner in real time;
a wireless communication module configured to: reporting the operation parameters of the air conditioner outdoor unit to a cloud computing platform, and receiving a defrosting control instruction;
a control module configured to: and defrosting is realized according to the defrosting control instruction.
In some of these embodiments, the cloud computing platform is further configured to:
acquiring intelligent scene information, and determining the working mode of the air conditioner outdoor unit based on the intelligent scene information;
the working modes include a heating working mode and a cooling working mode.
In a second aspect, an embodiment of the present invention provides a cloud multi-connected outdoor unit of an air conditioner, including:
a plurality of outdoor units, each configured to: collecting and reporting the operation parameters of the outdoor unit of the air conditioner in real time, and receiving a control instruction;
the cloud computing platform is connected with the air conditioner outdoor units in a communication mode and is configured to: when the air conditioner outdoor units are in a heating working mode, determining heat exchange modes of the air conditioner outdoor units, calculating and completing alternate defrosting control decisions of the air conditioner outdoor units based on the heat exchange modes and operating parameters of the air conditioner outdoor units, issuing defrosting control instructions and alternate defrosting control instructions to the corresponding air conditioner outdoor units, and defrosting by the air conditioner outdoor units according to the received defrosting control instructions and the alternate defrosting control instructions.
In some of these embodiments, the cloud computing platform is further configured to:
determining an air conditioner outdoor unit needing defrosting based on a heat exchange mode, issuing a defrosting start control instruction to the air conditioner outdoor unit needing defrosting when the operation parameter meets a preset defrosting starting condition based on the operation parameter of the air conditioner outdoor unit needing defrosting, and starting defrosting by the air conditioner outdoor unit needing defrosting according to the defrosting start control instruction;
based on the operation parameters, when the operation parameters meet preset defrosting ending conditions, a defrosting ending control instruction is issued to the air conditioner outdoor unit needing defrosting, and the air conditioner outdoor unit needing defrosting ends defrosting according to the defrosting ending instruction;
and when the defrosting of the air conditioner outdoor unit needing defrosting is finished and the operation parameters meet the preset alternate defrosting starting conditions, issuing an alternate defrosting control instruction to the next air conditioner outdoor unit needing defrosting.
In some of these embodiments, the cloud computing platform is further configured to:
based on the operation parameters, when the operation parameters meet a first preset defrosting starting condition and simultaneously meet a second preset defrosting starting condition, a defrosting starting control instruction is issued to the air conditioner outdoor unit, and the air conditioner outdoor unit starts defrosting according to the defrosting starting control instruction.
In some of these embodiments, the cloud computing platform is further configured to:
the method comprises the steps of presetting a plurality of first preset defrosting ending conditions with priority relations, issuing a defrosting ending control instruction to an air-conditioning outdoor unit when the operation parameters meet the first preset defrosting ending conditions according to the priority relations based on operation parameters, and ending defrosting by the air-conditioning outdoor unit according to the defrosting ending control instruction.
In some embodiments, each of the air conditioner outdoor units includes:
at least one sensor configured to: collecting the operating parameters of the outdoor unit of the air conditioner in real time;
a wireless communication module configured to: reporting the operating parameters of the air conditioner outdoor unit to a cloud computing platform, and receiving a defrosting control instruction and a rotation defrosting control instruction;
a control module configured to: and defrosting is realized according to the defrosting control instruction and the alternate defrosting control instruction.
In some of these embodiments, the cloud computing platform is further configured to:
acquiring intelligent scene information, and determining the working mode of the air conditioner outdoor unit based on the intelligent scene information;
the working modes include a heating working mode and a cooling working mode.
In a third aspect, an embodiment of the present invention provides a method for controlling an outdoor unit of a cloud air conditioner, where the method is applied to the outdoor unit of the cloud air conditioner, and the method includes:
the method comprises the steps that operating parameters of the air conditioner outdoor unit are collected and reported in real time through the air conditioner outdoor unit, and a control instruction is received through the air conditioner outdoor unit;
when the air conditioner outdoor unit is in a heating working mode, a defrosting control decision is completed through the cloud computing platform based on the operation parameters, a defrosting control instruction is issued to the air conditioner outdoor unit, and defrosting is achieved by the air conditioner outdoor unit according to the defrosting control instruction.
In a fourth aspect, an embodiment of the present invention provides a method for controlling a cloud multi-connected air conditioner outdoor unit, where the method is applied to the cloud multi-connected air conditioner outdoor unit, and includes:
collecting and reporting the operation parameters of the air conditioner outdoor units in real time through each air conditioner outdoor unit, and receiving a control instruction;
when the air-conditioning outdoor units are in a heating working mode, the heat exchange modes of the air-conditioning outdoor units are determined through the cloud computing platform, based on the heat exchange modes and the operating parameters of the air-conditioning outdoor units, alternate defrosting control decisions of the air-conditioning outdoor units are computed and completed, defrosting control instructions and alternate defrosting control instructions are issued to the corresponding air-conditioning outdoor units, and defrosting of the air-conditioning outdoor units is achieved according to the received defrosting control instructions and the alternate defrosting control instructions.
The invention has the technical effects or advantages that:
according to the cloud air conditioner outdoor unit, the cloud multi-connected air conditioner outdoor unit and the control method thereof, the operation parameters of the air conditioner outdoor unit are collected and reported in real time based on the air conditioner outdoor unit, the complex logic defrosting control decision is completed through the cloud computing platform, defrosting of the air conditioner outdoor unit is achieved, the problems that a built-in controller of the air conditioner outdoor unit is insufficient in computing capacity and management and maintenance costs of the air conditioner outdoor unit are high are solved, computing capacity, computing speed and computing accuracy are improved, and management and maintenance costs of the air conditioner outdoor unit are reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
Fig. 1 is a schematic structural view of an outdoor unit of a cloud air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an outdoor unit of a cloud multi-connected air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 4 is a diagram illustrating a state change of a cloud multi-connected air conditioner outdoor unit in a defrosting rotation manner according to an embodiment of the present invention;
fig. 5 is a flowchart illustrating a method for controlling an outdoor unit of a cloud air conditioner according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a method for controlling a cloud multi-connected air conditioner outdoor unit according to an embodiment of the present invention;
in the above figures:
10. an air conditioner outdoor unit; 101. a sensor; 102. a wireless communication module; 103. a control module; 20. and (3) a cloud computing platform.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description. Although embodiments of the invention are disclosed in the accompanying drawings, it should be understood that the invention can be embodied in any form and should not be construed as limited to the embodiments set forth herein.
In the description of the present application, it is to be understood that reference to "a plurality" in the present application means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
The operation parameters of the outdoor unit 10 of the air conditioner in the embodiment of the present disclosure include, but are not limited to: the cumulative heating operation time of the outdoor unit 10, the temperature of the external environment of the outdoor unit 10, the relative humidity of the external environment of the outdoor unit 10, the temperature of the heat exchange pipe of the outdoor unit 10, the discharge temperature of the outdoor unit 10, and the discharge pressure of the outdoor unit 10.
Example one
As shown in fig. 1, the cloud air conditioner outdoor unit provided in this embodiment includes an air conditioner outdoor unit 10 and a cloud computing platform 20, where the air conditioner outdoor unit 10 is in communication connection with the cloud computing platform 20.
The outdoor unit 10 collects and reports the operation parameters of the outdoor unit 10 in real time, and receives the control command. As shown in fig. 3, each of the outdoor units 10 includes at least one sensor 101, a wireless communication module 102 and a control module 103, and the outdoor unit 10 is communicatively connected to the cloud computing platform 20 through the wireless communication module 102. The sensor 101 collects the operation parameters of the outdoor unit 10 in real time, in this embodiment, the sensor 101 may be a temperature sensor or a pressure sensor. The wireless communication module 102 reports the operating parameters of the outdoor unit 10 to the cloud computing platform 20, and receives a defrosting control instruction, and the control module 103 implements defrosting according to the defrosting control instruction, in this embodiment, to ensure reliability of data communication, the wireless communication module 102 may be an NB internet of things module or a 4G/5G communication module, when the wireless communication module 102 is an NB internet of things module, the wireless communication module 102 is disposed in the outdoor unit 10, and when the wireless communication module 102 is a 4G/5G communication module, the wireless communication module 102 is disposed outside the outdoor unit 10.
When the air conditioner outdoor unit 10 is in the heating working mode, the cloud computing platform 20 completes a defrosting control decision based on the operation parameter calculation, and issues a defrosting control instruction to the air conditioner outdoor unit 10, and the air conditioner outdoor unit 10 realizes defrosting according to the defrosting control instruction.
In this embodiment, specifically, the cloud computing platform 20, based on the operation parameters, calculates that when the operation parameters meet the preset defrosting start condition, a defrosting start control instruction is issued to the air-conditioning outdoor unit 10, and the air-conditioning outdoor unit 10 starts defrosting according to the defrosting start control instruction;
based on the operation parameters, when the operation parameters meet the preset defrosting ending conditions, a defrosting ending control instruction is issued to the air-conditioning outdoor unit 10, and the air-conditioning outdoor unit 10 ends defrosting according to the defrosting ending control instruction.
In this embodiment, specifically, the cloud computing platform 20, based on the operation parameter, issues a defrosting start control instruction to the air-conditioning outdoor unit 10 when the operation parameter satisfies a first preset defrosting start condition and also satisfies a second preset defrosting start condition, and the air-conditioning outdoor unit 10 starts defrosting according to the defrosting start control instruction.
In this embodiment, the first preset defrosting start condition is:
Tim_stp≥360-(120/5)×(Tamin_slv-2)
in the above, Tim _ stp represents the cumulative time of the heating operation of the outdoor unit of the air conditioner; taminA _ slv represents the minimum value of the temperature of the external environment of an outdoor unit of an air conditioner.
The second preset defrosting start condition in this embodiment includes a plurality of conditions, which is 5 conditions in this embodiment, and each of the conditions is:
(1) ta _ slv and Te of 6 ≦ Tamin_slv≤Toffset_def；
(2) -5 < Ta _ slv < 6 and Temin_slv≤(11×Ta_slv-107)/16+Toffset_def；
(3) Ta-slv is more than-10 and less than or equal to-5, and Temin_slv≤(18×Ta_slv-70)/16+Toffset_def；
(4) Ta-slv is more than-20 and less than or equal to-10, and Temin_slv≤(17×Ta_slv-142)/21+Toffset_def；
(5) Ta-slv of-20 ≦ and Temin_slv≤(17×Ta_slv-196)/21+Toffset_def。
In the above description, Ta _ slv represents a temperature value of an external environment where an outdoor unit of an air conditioner is located; te (Te)minSlv represents the minimum value of the temperature of the heat exchange pipe of an outdoor unit, and Toffset _ def represents the relative humidity threshold of the external environment where the outdoor unit is located, wherein when Toffset _ def>2 when 60% is satisfied, and 0 when Toffset _ def is less than or equal to 60%.
In this embodiment, specifically, the cloud computing platform 20 sets a plurality of first preset defrosting end conditions with a priority relationship in advance, based on the operation parameters, when the operation parameters satisfy a first preset defrosting end condition according to the priority relationship, the cloud computing platform calculates to issue a defrosting end control instruction to the air-conditioning outdoor unit 10, and the air-conditioning outdoor unit 10 ends defrosting according to the defrosting end control instruction.
In the present embodiment, a plurality of first preset defrosting end conditions having a priority relationship are shown with reference to table 1. The cloud computing platform presets priority levels from high to low, judges preset defrosting ending conditions through pressure and presets defrosting time judging ending conditions. Wherein, the priority is judged from high to low temperature that the preset defrosting end condition is:
(1)Temin_slv≥25℃；
(2) toffset _ def is less than or equal to 60%, Tc is less than 2min and Temin_slv≥25℃；
(3) Toffset _ def is less than or equal to 60 percent, Tc is more than or equal to 2min and Temin15 ℃ C. for 5 seconds and Pd of slv & gtmax_slv≥1.5MPa；
(4) Toffset _ def is less than or equal to 60%, Jo in heat exchange mode is 0, Tc is more than or equal to 2min, and TeminThe temperature of slv & gt is more than or equal to 10 ℃ for 40 seconds;
(5) toffset _ def is less than or equal to 60 percent and Tdmax_slv≥115℃
In the above, Tc represents elapsed defrosting time; pdmax' slv denotes a maximum value of discharge pressure, Td, of an air conditioner outdoor unitmaxA value of slv represents the maximum value of the discharge temperature of an outdoor unit of an air conditioner.
In the above heat exchange mode, the heat exchange mode Jo is 0, and it means that only one air conditioner outdoor unit exists.
The preset defrosting ending condition is judged from high pressure to low pressure according to the priority:
(1) tc < 20s and Pdmax_slv≥Pc+0.2MPa；
(2) Tc is more than or equal to 20s and Pdmax_slv≥PcMPa
In the above, Pc denotes a pressure threshold.
The preset defrosting ending condition is judged by the defrosting time from high priority to low priority as follows:
(1)Tc≥9min
TABLE 1A plurality of first preset defrost conclusion conditions with priority relationships
In this embodiment, specifically, the cloud computing platform 20 obtains the intelligent scene information, and determines the working mode of the air conditioner outdoor unit 10 based on the intelligent scene information;
the working modes include a heating working mode and a cooling working mode.
The cloud computing platform 20 may perform data information interaction with the smart home management platform to obtain the smart scene information.
According to the cloud air conditioner outdoor unit provided by the embodiment, based on the real-time collection and reporting of the operation parameters of the air conditioner outdoor unit 10, the cloud computing platform 20 is used for completing a complex logic defrosting control decision, so that defrosting of the air conditioner outdoor unit 10 is realized, the problems that a built-in controller of the air conditioner outdoor unit 10 is insufficient in computing capacity and the air conditioner outdoor unit 10 is high in management and maintenance cost are solved, the computing capacity, the computing speed and the computing accuracy are improved, and the management and maintenance cost of the air conditioner outdoor unit 10 is reduced.
Example two
As shown in fig. 2, the multi-connected cloud outdoor unit of the present embodiment includes a plurality of outdoor units 10 and a cloud computing platform 20, where the plurality of outdoor units 10 are all in communication connection with the cloud computing platform 20.
Each outdoor unit 10 collects and reports the operation parameters of the outdoor unit 10 in real time, and receives a control command. As shown in fig. 3, each outdoor unit 10 includes at least one sensor 101, a wireless communication module 102 and a control module 103, and each outdoor unit 10 is communicatively connected to the cloud computing platform 20 through the wireless communication module 102. The sensor 101 collects the operation parameters of the outdoor unit 10 in real time, in this embodiment, the sensor 101 may be a temperature sensor or a pressure sensor. The wireless communication module 102 reports the operating parameters of the air conditioner outdoor unit 10 to the cloud computing platform 20, receives the defrosting control instruction and the alternate defrosting control instruction, and the control module 103 implements defrosting according to the defrosting control instruction and the alternate defrosting control instruction, in this embodiment, to ensure reliability of data communication, the wireless communication module 102 may be an NB internet of things module or a 4G/5G communication module, when the wireless communication module 102 is an NB internet of things module, the wireless communication module 102 is disposed in each air conditioner outdoor unit 10, and when the wireless communication module 102 is a 4G/5G communication module, the wireless communication module 102 is disposed outside each air conditioner outdoor unit 10.
When the air conditioner outdoor units 10 are in the heating working mode, the cloud computing platform 20 determines the heat exchange modes of the plurality of air conditioner outdoor units 10, based on the heat exchange modes and the operating parameters of the air conditioner outdoor units 10, calculates and completes the alternate defrosting control decisions of the plurality of air conditioner outdoor units 10, and issues a defrosting control instruction and an alternate defrosting control instruction to the corresponding air conditioner outdoor units 10, and the air conditioner outdoor units 10 achieve defrosting according to the received defrosting control instruction and the alternate defrosting control instruction.
In this embodiment, specifically, the cloud computing platform 20 determines the air conditioner outdoor unit 10 requiring defrosting based on the heat exchange mode, and based on the operation parameters of the air conditioner outdoor unit 10 requiring defrosting, when the operation parameters meet the preset defrosting start condition, it calculates to issue a defrosting start control instruction to the air conditioner outdoor unit 10 requiring defrosting, and the air conditioner outdoor unit 10 requiring defrosting starts defrosting according to the defrosting start control instruction;
the cloud computing platform 20, based on the operation parameters, calculates that when the operation parameters meet preset defrosting end conditions, a defrosting end control instruction is issued to the air conditioner outdoor unit 10 needing defrosting, and the air conditioner outdoor unit 10 needing defrosting ends defrosting according to the defrosting end instruction;
and when the defrosting of the air conditioner outdoor unit 10 needing defrosting is finished and the operation parameters meet the preset alternate defrosting starting condition, the cloud computing platform 20 issues an alternate defrosting control instruction to the next air conditioner outdoor unit 10 needing defrosting.
In this embodiment, specifically, the cloud computing platform 20, based on the operation parameter, issues a defrosting start control instruction to the air-conditioning outdoor unit 10 when the operation parameter satisfies a first preset defrosting start condition and also satisfies a second preset defrosting start condition, and the air-conditioning outdoor unit 10 starts defrosting according to the defrosting start control instruction. In this embodiment, the first preset defrost initiation condition and the second preset defrost initiation condition are the same as those in the first embodiment, and details thereof are not repeated herein.
In this embodiment, specifically, the cloud computing platform 20 sets a plurality of first preset defrosting end conditions having a priority relationship in advance, based on the operation parameter, when the operation parameter satisfies a first preset defrosting end condition according to the priority relationship, the operation parameter is calculated, and a defrosting end control instruction is issued to the air-conditioning outdoor unit 10, and the air-conditioning outdoor unit 10 ends defrosting according to the defrosting end control instruction. The first preset defrosting end condition in this embodiment is the same as that in the first embodiment, and this embodiment is not described in detail, and the difference lies in that the temperature determination preset defrosting end condition in the first preset defrosting end condition does not include condition (4): toffset _ def is less than or equal to 60%, Jo in heat exchange mode is 0, Tc is more than or equal to 2min, and TeminThe temperature of slv & gt is more than or equal to 10 ℃ for 40 seconds;
as shown in fig. 4, in the multi-split air conditioner outdoor unit of the present embodiment, the multi-split air conditioner outdoor units are split into 4 air conditioner outdoor units, and the heat exchange modes include Jo1, Jo2, Jo3, and Jo 4.
In this embodiment, specifically, when the defrosting of the air conditioner outdoor unit 10 requiring defrosting is finished and the cloud computing platform 20 calculates that the operation parameter satisfies a first preset alternate defrosting start condition based on the operation parameter, a defrosting control command is issued to the next air conditioner outdoor unit 10 requiring defrosting. It should be noted that, in this embodiment, since the multi-split air conditioner outdoor units are split into 4 air conditioner outdoor units, the next air conditioner outdoor unit 10 requiring defrosting may be one, two, or three air conditioner outdoor units 10 requiring defrosting, in this embodiment, it is only necessary to ensure that at least one air conditioner outdoor unit 10 is in the heating operation mode.
Referring to table 2, the first preset rotation defrosting turn-on condition includes:
(1) te _ COND is more than or equal to 15 ℃ for 30 seconds;
(2) heat exchange mode migration has been for 20 seconds and Pdmax_COND≥3.05MPa；
(3) The heat exchange mode migration has reached 6 min;
(4)Toffset_def≤20％
in the above, Te _ COND is a heat exchange pipe temperature value of the outdoor unit of the air conditioner requiring defrosting; pdmaxCOND is expressed as the maximum value of the discharge pressure of the air conditioner outdoor unit requiring defrosting.
TABLE 2 first Preset alternate defrost Start Condition
In this embodiment, specifically, the cloud computing platform 20 obtains the intelligent scene information, and determines the working mode of the air conditioner outdoor unit 10 based on the intelligent scene information;
the working modes include a heating working mode and a cooling working mode.
The cloud computing platform 20 may perform data information interaction with the smart home management platform to obtain the smart scene information.
According to the cloud multi-connected air conditioner outdoor unit provided by the embodiment, based on the real-time collection and report of the operation parameters of the air conditioner outdoor unit 10, the cloud computing platform 20 is used for completing a complex logic defrosting control decision, so that the alternate defrosting of the air conditioner outdoor unit 10 is realized, the problems that a built-in controller of the air conditioner outdoor unit 10 is insufficient in computing capacity and the management and maintenance costs of the air conditioner outdoor unit 10 are high are solved, the computing capacity, the computing speed and the computing accuracy are improved, and the management and maintenance costs of the air conditioner outdoor unit 10 are reduced.
EXAMPLE III
The control method for the cloud air conditioner outdoor unit provided by the embodiment is applied to the cloud air conditioner outdoor unit in the first embodiment, and as shown in fig. 5, the control method includes:
s1: collecting and reporting operation parameters of the air conditioner outdoor unit 10 in real time through the air conditioner outdoor unit 10, and receiving a control instruction through the air conditioner outdoor unit 10;
s2: when the air-conditioning outdoor unit 10 is in the heating working mode, the cloud computing platform 20 completes the defrosting control decision based on the operating parameters, and issues a defrosting control instruction to the air-conditioning outdoor unit 10, and the air-conditioning outdoor unit 10 realizes defrosting according to the control instruction.
According to the control method of the cloud air conditioner outdoor unit provided by the embodiment, based on the real-time collection and report of the operation parameters of the air conditioner outdoor unit 10, the cloud computing platform 20 is used for completing a complex logic defrosting control decision, so that the defrosting of the air conditioner outdoor unit 10 is realized, the problems that a built-in controller of the air conditioner outdoor unit 10 is insufficient in computing capacity and the management and maintenance costs of the air conditioner outdoor unit 10 are high are solved, the computing capacity, the computing speed and the computing accuracy are improved, and the management and maintenance costs of the air conditioner outdoor unit 10 are reduced.
Example four
The control method for the cloud multi-connected air conditioning outdoor unit provided by the embodiment is applied to the cloud multi-connected air conditioning outdoor unit in the second embodiment, and as shown in fig. 6, the control method includes:
p1: collecting and reporting the operation parameters of the air conditioner outdoor unit 10 in real time through the air conditioner outdoor unit 10, and receiving a control instruction;
p2: when the air conditioner outdoor units 10 are in the heating working mode, the heat exchange modes of the air conditioner outdoor units 10 are determined through the cloud computing platform, based on the heat exchange modes and the operating parameters of the air conditioner outdoor units 10, alternate defrosting control decisions of the air conditioner outdoor units 10 are computed and completed, defrosting control instructions and alternate defrosting control instructions are issued to the corresponding air conditioner outdoor units 10, and the air conditioner outdoor units 10 achieve defrosting according to the received defrosting control instructions and the alternate defrosting control instructions.
According to the control method of the cloud multi-connected air conditioner outdoor unit provided by the embodiment, based on the real-time collection and report of the operation parameters of the air conditioner outdoor unit 10 by the air conditioner outdoor unit 10, the cloud computing platform 20 is used for completing a complex logic defrosting control decision, so that the alternate defrosting of the air conditioner outdoor unit 10 is realized, the problems that a built-in controller of the air conditioner outdoor unit 10 is insufficient in computing capacity and the management and maintenance costs of the air conditioner outdoor unit 10 are high are solved, the computing capacity and the computing speed are improved, and the management and maintenance costs of the air conditioner outdoor unit 10 are reduced.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (14)
1. An outdoor unit of a cloud air conditioner, comprising:
an air conditioner outdoor unit configured to: collecting and reporting the operation parameters of the air conditioner outdoor unit in real time, and receiving a control instruction;
a cloud computing platform communicatively coupled to the outdoor unit of the air conditioner, the cloud computing platform configured to: and when the air-conditioning outdoor unit is in a heating working mode, calculating based on the operating parameters to complete a defrosting control decision, and issuing a defrosting control instruction to the air-conditioning outdoor unit, wherein the air-conditioning outdoor unit realizes defrosting according to the defrosting control instruction.
2. The outdoor unit of claim 1, wherein the cloud computing platform is further configured to:
based on the operation parameters, when the operation parameters meet preset defrosting starting conditions, a defrosting starting control instruction is issued to the air conditioner outdoor unit, and the air conditioner outdoor unit starts defrosting according to the defrosting starting control instruction;
and based on the operation parameters, when the operation parameters meet preset defrosting ending conditions, a defrosting ending control instruction is issued to the air conditioner outdoor unit, and the air conditioner outdoor unit ends defrosting according to the defrosting ending control instruction.
3. The outdoor unit of claim 2, wherein the cloud computing platform is further configured to:
and based on the operation parameters, when the operation parameters meet a first preset defrosting starting condition and simultaneously meet a second preset defrosting starting condition, the defrosting starting control instruction is issued to the air conditioner outdoor unit, and the air conditioner outdoor unit starts defrosting according to the defrosting starting control instruction.
4. The outdoor unit of claim 2, wherein the cloud computing platform is further configured to:
presetting a plurality of first preset defrosting ending conditions with priority relations, and issuing a defrosting ending control instruction to the air conditioner outdoor unit when the operation parameters meet the first preset defrosting ending conditions according to the priority relations based on the operation parameters, wherein the air conditioner outdoor unit ends defrosting according to the defrosting ending control instruction.
5. The outdoor unit of claim 1, wherein the outdoor unit comprises:
at least one sensor configured to: collecting the operating parameters of the outdoor unit of the air conditioner in real time;
a wireless communication module configured to: reporting the operation parameters of the air conditioner outdoor unit to the cloud computing platform, and receiving the defrosting control instruction;
a control module configured to: and defrosting is realized according to the defrosting control instruction.
6. The outdoor unit of claim 1, wherein the cloud computing platform is further configured to:
acquiring intelligent scene information, and determining the working mode of the air conditioner outdoor unit based on the intelligent scene information;
the working modes comprise a heating working mode and a cooling working mode.
7. The utility model provides a cloud multiplex air condensing units which characterized in that includes:
a plurality of outdoor units, each configured to: collecting and reporting the operation parameters of the air conditioner outdoor unit in real time, and receiving a control instruction;
a cloud computing platform communicatively coupled to the plurality of outdoor air conditioning units, the cloud computing platform configured to: when the air-conditioning outdoor unit is in a heating working mode, determining heat exchange modes of the air-conditioning outdoor units, calculating and completing alternate defrosting control decisions of the air-conditioning outdoor units based on the heat exchange modes and operating parameters of the air-conditioning outdoor units, issuing defrosting control instructions and alternate defrosting control instructions to the corresponding air-conditioning outdoor units, and defrosting the air-conditioning outdoor units according to the received defrosting control instructions and the alternate defrosting control instructions.
8. The outdoor unit of a cloud multi-connected air conditioner as claimed in claim 7, comprising: the cloud computing platform is further configured to:
determining the air conditioner outdoor unit needing defrosting based on the heat exchange mode, and issuing a defrosting start control instruction to the air conditioner outdoor unit needing defrosting when the operation parameter meets a preset defrosting starting condition based on the operation parameter of the air conditioner outdoor unit needing defrosting, wherein the air conditioner outdoor unit needing defrosting starts defrosting according to the defrosting start control instruction;
based on the operation parameters, when the operation parameters meet preset defrosting ending conditions, a defrosting ending control instruction is issued to the air conditioner outdoor unit needing defrosting, and the air conditioner outdoor unit needing defrosting ends defrosting according to the defrosting ending instruction;
and when the defrosting of the air conditioner outdoor unit needing defrosting is finished and the operation parameters meet the preset alternate defrosting starting conditions, issuing the alternate defrosting control command to the next air conditioner outdoor unit needing defrosting.
9. The outdoor unit of claim 8, wherein the cloud computing platform is further configured to:
and based on the operation parameters, when the operation parameters meet a first preset defrosting starting condition and simultaneously meet a second preset defrosting starting condition, the defrosting starting control instruction is issued to the air conditioner outdoor unit, and the air conditioner outdoor unit starts defrosting according to the defrosting starting control instruction.
10. The outdoor unit of claim 8, wherein the cloud computing platform is further configured to:
presetting a plurality of first preset defrosting ending conditions with priority relations, based on the operation parameters, when the operation parameters meet the first preset defrosting ending conditions according to the priority relations, issuing a defrosting ending control instruction to the air conditioner outdoor unit, and ending defrosting by the air conditioner outdoor unit according to the defrosting ending control instruction.
11. The outdoor unit of claim 7, wherein each outdoor unit comprises:
at least one sensor configured to: collecting the operating parameters of the outdoor unit of the air conditioner in real time;
a wireless communication module configured to: reporting the operating parameters of the air conditioner outdoor unit to the cloud computing platform, and receiving the defrosting control instruction and the alternate defrosting control instruction;
a control module configured to: and defrosting is realized according to the defrosting control instruction and the alternate defrosting control instruction.
12. The outdoor unit of claim 7, wherein the cloud computing platform is further configured to:
acquiring intelligent scene information, and determining the working mode of the air conditioner outdoor unit based on the intelligent scene information;
the working modes comprise a heating working mode and a cooling working mode.
13. The control method of the outdoor unit of the cloud air conditioner is applied to the outdoor unit of the cloud air conditioner as claimed in any one of claims 1 to 6, and is characterized by comprising the following steps:
the method comprises the steps that operating parameters of the air conditioner outdoor unit are collected and reported in real time through the air conditioner outdoor unit, and a control instruction is received through the air conditioner outdoor unit;
when the air conditioner outdoor unit is in a heating working mode, a defrosting control decision is completed through the cloud computing platform based on the operating parameters, a defrosting control instruction is issued to the air conditioner outdoor unit, and defrosting is achieved by the air conditioner outdoor unit according to the defrosting control instruction.
14. A control method of an outdoor unit of a cloud multi-connected air conditioner, applied to the outdoor unit of the cloud multi-connected air conditioner as claimed in any one of claims 7 to 12, comprising:
collecting and reporting the operation parameters of the air conditioner outdoor units in real time through each air conditioner outdoor unit, and receiving a control instruction;
when the air-conditioning outdoor unit is in a heating working mode, the heat exchange modes of the air-conditioning outdoor units are determined through the cloud computing platform, based on the heat exchange modes and the operating parameters of the air-conditioning outdoor units, alternate defrosting control decisions of the air-conditioning outdoor units are computed and completed, defrosting control instructions and alternate defrosting control instructions are issued to the corresponding air-conditioning outdoor units, and defrosting of the air-conditioning outdoor units is achieved according to the received defrosting control instructions and the alternate defrosting control instructions.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110604037.5A CN113294895B (en) | 2021-05-31 | 2021-05-31 | Cloud air conditioner outdoor unit, cloud multi-connected air conditioner outdoor unit and control method thereof |
| CN202280008877.8A CN116724203A (en) | 2021-05-31 | 2022-03-18 | Cloud air conditioner outdoor unit, cloud multi-connected air conditioner outdoor unit and control method of cloud air conditioner outdoor unit |
| PCT/CN2022/081839 WO2022252758A1 (en) | 2021-05-31 | 2022-03-18 | Cloud outdoor air-conditioning unit, cloud multi-split outdoor air-conditioning unit and control method therefor |
| US18/365,292 US20230375210A1 (en) | 2021-05-31 | 2023-08-04 | Air conditioner system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110604037.5A CN113294895B (en) | 2021-05-31 | 2021-05-31 | Cloud air conditioner outdoor unit, cloud multi-connected air conditioner outdoor unit and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113294895A true CN113294895A (en) | 2021-08-24 |
| CN113294895B CN113294895B (en) | 2023-03-31 |
Family
ID=77326615
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110604037.5A Active CN113294895B (en) | 2021-05-31 | 2021-05-31 | Cloud air conditioner outdoor unit, cloud multi-connected air conditioner outdoor unit and control method thereof |
| CN202280008877.8A Pending CN116724203A (en) | 2021-05-31 | 2022-03-18 | Cloud air conditioner outdoor unit, cloud multi-connected air conditioner outdoor unit and control method of cloud air conditioner outdoor unit |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280008877.8A Pending CN116724203A (en) | 2021-05-31 | 2022-03-18 | Cloud air conditioner outdoor unit, cloud multi-connected air conditioner outdoor unit and control method of cloud air conditioner outdoor unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN113294895B (en) |
| WO (1) | WO2022252758A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022252758A1 (en) * | 2021-05-31 | 2022-12-08 | 青岛海信日立空调系统有限公司 | Cloud outdoor air-conditioning unit, cloud multi-split outdoor air-conditioning unit and control method therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101199914A (en) * | 2006-12-13 | 2008-06-18 | 财团法人工业技术研究院 | Compound high pressure air cooling dehumidification system |
| WO2013113139A1 (en) * | 2012-01-30 | 2013-08-08 | 广东志高空调有限公司 | Cloud air conditioner adaptive defrosting method and system based on cloud computing |
| US20190331409A1 (en) * | 2018-04-27 | 2019-10-31 | Lg Electronics Inc. | Device of detecting abnormal state and method of detecting thereof |
| CN111664549A (en) * | 2020-06-10 | 2020-09-15 | 青岛海信日立空调系统有限公司 | Air conditioner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6433458A (en) * | 1987-07-27 | 1989-02-03 | Matsushita Electric Ind Co Ltd | Blowing controller for air conditioner |
| CN102563814B (en) * | 2012-02-08 | 2013-09-25 | 广东志高空调有限公司 | Cloud air conditioning system based on cloud computation technology |
| CN113294895B (en) * | 2021-05-31 | 2023-03-31 | 青岛海信日立空调系统有限公司 | Cloud air conditioner outdoor unit, cloud multi-connected air conditioner outdoor unit and control method thereof |
-
2021
- 2021-05-31 CN CN202110604037.5A patent/CN113294895B/en active Active
-
2022
- 2022-03-18 CN CN202280008877.8A patent/CN116724203A/en active Pending
- 2022-03-18 WO PCT/CN2022/081839 patent/WO2022252758A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101199914A (en) * | 2006-12-13 | 2008-06-18 | 财团法人工业技术研究院 | Compound high pressure air cooling dehumidification system |
| WO2013113139A1 (en) * | 2012-01-30 | 2013-08-08 | 广东志高空调有限公司 | Cloud air conditioner adaptive defrosting method and system based on cloud computing |
| US20190331409A1 (en) * | 2018-04-27 | 2019-10-31 | Lg Electronics Inc. | Device of detecting abnormal state and method of detecting thereof |
| CN111664549A (en) * | 2020-06-10 | 2020-09-15 | 青岛海信日立空调系统有限公司 | Air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022252758A1 (en) * | 2021-05-31 | 2022-12-08 | 青岛海信日立空调系统有限公司 | Cloud outdoor air-conditioning unit, cloud multi-split outdoor air-conditioning unit and control method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113294895B (en) | 2023-03-31 |
| CN116724203A (en) | 2023-09-08 |
| WO2022252758A1 (en) | 2022-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108375175B (en) | Air conditioner system control method and device | |
| CN102121741B (en) | Multi-connection air conditioning unit and control method thereof during small-load refrigeration running | |
| JP2831838B2 (en) | Air conditioner | |
| CN103411268B (en) | Refrigeration system and the method for refrigeration system refrigeration | |
| US20070151268A1 (en) | Air conditioner and refrigerant control method thereof | |
| US20060123810A1 (en) | Method for operating air conditioner | |
| CN106288236B (en) | Air conditioner compress control method and air conditioner | |
| CN113294895B (en) | Cloud air conditioner outdoor unit, cloud multi-connected air conditioner outdoor unit and control method thereof | |
| JP5312286B2 (en) | Air conditioner control device, refrigeration device control device | |
| CN106440560A (en) | Air conditioning system with adjustable condensing area and control method thereof | |
| JP5446906B2 (en) | Air conditioner | |
| CN113418283B (en) | Control method for air conditioner | |
| EP1677058A2 (en) | Method of controlling over-load cooling operation of air conditioner | |
| CN108692424A (en) | Air conditioner defrosting control method | |
| JP3116744B2 (en) | Air conditioner and operating method thereof | |
| CN110454939A (en) | Air conditioner and its control method, control device | |
| CN114963442A (en) | Air conditioner and control method thereof | |
| CN113959069A (en) | Air conditioning system | |
| JP7393613B2 (en) | Operating condition determination system for pre-cooling or pre-warming operation of air conditioners | |
| CN106468487A (en) | Air conditioning system and its control method | |
| JP2863305B2 (en) | Multi-room air conditioner | |
| JPH09145130A (en) | Multi-room type air conditioner system | |
| CN220771323U (en) | Air conditioner control system, air conditioner, multi-split control system and multi-split | |
| JP6906088B1 (en) | Air conditioner and management device | |
| WO2021241698A1 (en) | Operation control system, operation control device, and operation control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |