CN114165895A - Central air conditioner and energy consumption obtaining method thereof - Google Patents
Central air conditioner and energy consumption obtaining method thereof Download PDFInfo
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- CN114165895A CN114165895A CN202111369222.7A CN202111369222A CN114165895A CN 114165895 A CN114165895 A CN 114165895A CN 202111369222 A CN202111369222 A CN 202111369222A CN 114165895 A CN114165895 A CN 114165895A
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 76
- 238000012790 confirmation Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 18
- 238000004378 air conditioning Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—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
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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
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
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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
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/60—Energy consumption
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Abstract
The invention relates to a central air conditioner and an energy consumption obtaining method thereof. The address setting module is used for acquiring and/or setting system addresses of all the outdoor units and setting communication addresses of all the intelligent electric meters according to the corresponding relation between the system addresses of the outdoor units and the communication addresses of the intelligent electric meters; the control module is used for searching system addresses of all outdoor units and communication addresses of all intelligent electric meters; the energy consumption detection method is used for obtaining the energy consumption detected by the intelligent electric meter and obtaining the energy consumption of the outdoor unit according to the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter. Therefore, the invention only needs to set the communication address of the intelligent electric meter according to the corresponding relation, does not need to establish, edit and issue the configuration table, is convenient and efficient, and is very suitable for the intelligent terminal.
Description
Technical Field
The invention relates to the technical field of energy-saving management of central air conditioners, in particular to a central air conditioner and an energy consumption obtaining method thereof.
Background
With the wide application of the central air conditioner and the improvement of the awareness of energy conservation and environmental protection of people, the central air conditioner is used as a large energy consumption household in a building, and the energy consumption problem is paid much attention to by people. How to let the user know the energy consumption situation of a current period of time and further guide the user to carry out energy-saving management, or reasonably share the energy consumption of tenants, and the like, and the energy consumption management system is concerned by people.
At present, the central air conditioner is used to acquire accurate energy consumption data, and the intelligent electric meter is required to be carried undoubtedly. After the central air conditioner is installed, the intelligent electric meter is also required to be installed on the corresponding refrigerant system. As shown in fig. 1.
In the debugging stage, a corresponding table, i.e., a configuration table, of the electric meter ID (i.e., an electric meter address) and the outdoor unit system address (i.e., an air conditioner refrigerant system address) needs to be established, as shown in the following table:
| serial number | System address of outdoor unit | Indoor machine address | Ammeter ID | Lou Dong | Floor level | Room | Name of renter |
| 1 | 0 | 0 | 11914872 | Building for a certain building | Floor 1 | 501 | Zhang San |
| 2 | 0 | 1 | 11914872 | Building for a certain building | Floor 1 | 502 | Zhang San |
| 3 | 0 | 2 | 11914872 | Building for a certain building | Floor 1 | 503 | Zhang San |
| 4 | 0 | 3 | 11914872 | Building for a certain building | Floor 1 | 504 | Zhang San |
| 5 | 1 | 0 | 11914874 | Building for a certain building | 2 storied building | 401 | Law firm |
| 6 | 1 | 1 | 11914874 | Building for a certain building | 2 storied building | 402 | Law firm |
| 7 | 1 | 2 | 11914874 | Building for a certain building | 2 storied building | 403 | Law firm |
| 8 | 1 | 3 | 11914874 | Building for a certain building | 2 storied building | 404 | Law firm |
| 9 | 2 | 0 | 11914875 | Building for a certain building | 3 storied building | 301 | Law firm |
| 10 | 2 | 1 | 11914875 | Building for a certain building | 3 storied building | 302 | Law firm |
| 11 | 2 | 2 | 11914875 | Building for a certain building | 3 storied building | 303 | Law firm |
| 12 | 2 | 3 | 11914875 | Building for a certain building | 3 storied building | 304 | Law firm |
| 13 | 3 | 0 | 11914876 | Building for a certain building | 4 storied building | 401 | Law firm |
| 14 | 3 | 1 | 11914876 | Building for a certain building | 4 storied building | 402 | Law firm |
| 15 | 3 | 2 | 11914876 | Building for a certain building | 4 storied building | 403 | Law firm |
| 16 | 3 | 3 | 11914876 | Building for a certain building | 4 storied building | 404 | Law firm |
| 17 | 4 | 0 | 11914877 | Building for a certain building | 5 th floor | 501 | Law firm |
| 18 | 4 | 1 | 11914877 | Building for a certain building | 5 th floor | 502 | Law firm |
| 19 | 4 | 2 | 11914877 | Building for a certain building | 5 th floor | 503 | Personal studio 1 |
| 20 | 4 | 3 | 11914877 | Building for a certain building | 5 th floor | 504 | Personal studio 1 |
| 21 | 5 | 0 | 11914878 | Building for a certain building | 6 th floor | 601 | Personal studio 1 |
| 22 | 5 | 1 | 11914878 | Building for a certain building | 6 th floor | 602 | Personal studio 1 |
| 23 | 5 | 2 | 11914878 | Building for a certain building | 6 th floor | 603 | Personal studio 1 |
| 24 | 5 | 3 | 11914878 | Building for a certain building | 6 th floor | 604 | Personal studio 1 |
| 25 | 6 | 0 | 11914879 | Building for a certain building | 7 th building | 701 | Personal studio 1 |
| 26 | 6 | 1 | 11914879 | Building for a certain building | 7 th building | 702 | Personal studio 1 |
| 27 | 6 | 2 | 11914879 | Building for a certain building | 7 th building | 703 | Personal studio 1 |
| 28 | 6 | 3 | 11914879 | Building for a certain building | 7 th building | 704 | Personal studio 1 |
| 29 | 7 | 0 | 11914880 | Building for a certain building | 8 th floor | 801 | Personal studio 1 |
One system address needs to mount one meter. And only after the corresponding relation table is correctly established, finally loading the configuration table through the upper computer, searching the appointed electric meter according to the electric meter ID of the configuration table, acquiring electric meter data, and displaying the power consumption condition of the corresponding refrigerant system according to the corresponding air-conditioning refrigerant system so as to display or share the energy consumption.
The method relates to a series of operations such as editing, loading and checking of the configuration table, is complicated in operation process, is suitable for being managed from a PC (personal computer) end, has strong application software, and can be used for conveniently editing and processing information such as an electric meter ID (identity) and a refrigerant system, however, the method is not suitable for a management approach of an APP (application program) of a smart phone. Considering the requirements of medium and small projects and the home decoration field on energy-saving management of the central air conditioner, a management approach which can be suitable for an intelligent terminal and can simply, conveniently and quickly acquire the energy consumption data of the central air conditioner is urgently needed.
Disclosure of Invention
The invention provides an energy consumption obtaining method of a central air conditioner, which solves the technical problem that in the prior art, under the condition of a large number of air conditioners, the setting of a method for independently setting each air conditioner is complicated and tedious.
In order to achieve the purpose, the invention adopts the following technical scheme:
a central air conditioner comprising:
each outdoor unit corresponds to a plurality of indoor units, and each outdoor unit corresponds to an intelligent ammeter for detecting energy consumption;
the system comprises an address setting module, a communication module and a communication module, wherein the address setting module is used for acquiring and/or setting system addresses of all outdoor units and setting communication addresses of all intelligent electric meters according to the corresponding relation between the system addresses of the outdoor units and the communication addresses of the intelligent electric meters;
the control module is used for searching system addresses of all outdoor units and communication addresses of all intelligent electric meters; and the energy consumption acquisition module is used for acquiring the energy consumption detected by the intelligent electric meter and acquiring the energy consumption of the outdoor unit according to the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter.
The energy consumption obtaining method of the central air conditioner comprises a plurality of outdoor units, wherein each outdoor unit corresponds to a plurality of indoor units, and each outdoor unit corresponds to an intelligent ammeter for detecting energy consumption; the method comprises the following steps:
acquiring and/or setting system addresses of all outdoor units, and setting communication addresses of all intelligent electric meters according to the corresponding relation between the system addresses of the outdoor units and the communication addresses of the intelligent electric meters;
searching system addresses of all outdoor units and communication addresses of all intelligent electric meters;
acquiring energy consumption detected by the intelligent ammeter;
and acquiring the energy consumption of the outdoor unit according to the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter.
Compared with the prior art, the technical scheme of the invention has the following technical effects: the central air conditioner comprises an address setting module, a control module, a plurality of outdoor units, an indoor unit and an intelligent ammeter. The address setting module is used for acquiring and/or setting system addresses of all the outdoor units and setting communication addresses of all the intelligent electric meters according to the corresponding relation between the system addresses of the outdoor units and the communication addresses of the intelligent electric meters; the control module is used for searching system addresses of all outdoor units and communication addresses of all intelligent electric meters; the energy consumption detection method is used for obtaining the energy consumption detected by the intelligent electric meter and obtaining the energy consumption of the outdoor unit according to the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter. Therefore, the invention only needs to set the communication address of the intelligent electric meter according to the corresponding relation, does not need to establish, edit and issue the configuration table, is convenient and efficient, and is very suitable for the intelligent terminal.
The energy consumption obtaining method of the central air conditioner obtains and/or sets system addresses of all outdoor units, and sets communication addresses of all intelligent electric meters according to the corresponding relation between the system addresses of the outdoor units and the communication addresses of the intelligent electric meters; searching system addresses of all outdoor units and communication addresses of all intelligent electric meters; acquiring energy consumption detected by the intelligent ammeter; and acquiring the energy consumption of the outdoor unit according to the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter. Therefore, the invention only needs to set the communication address of the intelligent electric meter according to the corresponding relation, does not need to establish, edit and issue the configuration table, is convenient and efficient, and is very suitable for the intelligent terminal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a central air conditioner in the background art.
Fig. 2 and 3 are schematic block diagrams of embodiments of the present invention.
FIG. 4 is a schematic diagram of a central air conditioner according to an embodiment of the present invention.
Fig. 5 and 6 are flow charts of embodiments of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The central air conditioner and the energy consumption obtaining method thereof do not need complicated operation and can realize efficient and rapid address configuration. The intelligent electric meters in the current market are various in types and communication protocols, and the intelligent electric meters in the modbus protocol are selected as metering tools in consideration of the use popularity of users at sea and abroad. The functional block diagram of the centralized controller 2 is as follows: and a private H-NET communication protocol of a company is adopted between the centralized controller and the indoor and outdoor units.
The centralized controller not only can communicate with the air conditioner, but also can communicate with the electric meter, and also has strong processing capacity for processing electric quantity data and air conditioner data.
As shown in fig. 3, the whole system is composed of an indoor unit, an outdoor unit, an electric meter, a centralized controller, a cloud server and a mobile phone APP, and the power consumption condition of the air conditioning system can be checked by an end user through the mobile phone APP.
As shown in fig. 3 and 4, the central air conditioner includes an address setting module, a control module, a plurality of outdoor units, an indoor unit and a smart meter.
Each outdoor unit corresponds to one intelligent ammeter used for detecting energy consumption. The outdoor units correspond to the intelligent electric meters one by one on the hardware connection.
And the address setting module is used for acquiring and/or setting system addresses of all the outdoor units and setting communication addresses of all the intelligent electric meters according to the corresponding relation between the system addresses of the outdoor units and the communication addresses of the intelligent electric meters.
The address setting module is generally located on the mobile phone APP, and address setting is directly carried out through the mobile phone APP.
The control module is used for searching system addresses of all outdoor units and communication addresses of all intelligent electric meters and storing the system addresses and the communication addresses to the storage unit; and the energy consumption acquisition module is used for acquiring the energy consumption detected by the intelligent electric meter and acquiring the energy consumption of the outdoor unit according to the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter. The energy consumption of the outdoor units may be energy consumption of a single outdoor unit, or energy consumption of all the outdoor units.
The control module is an MCU of the centralized controller, the MCU is communicated with the intelligent ammeter through an ammeter communication loop and is communicated with an indoor bus and an outdoor bus through an air conditioner communication loop.
The system address of the outdoor unit is sysAddr, the communication address of the intelligent electric meter corresponding to the outdoor unit is meterAddr, and the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter is as follows: meterAddr = sysAddr + i, i being a natural number.
The range of the system address sysAddr of the outdoor unit is 0-m, the range of the communication address meterAddr of the intelligent electric meter is 1-n, and i is less than or equal to n-m. Wherein m =63, n =247, i ≤ 184.
Preferably, i = 1.
And the control module is used for carrying out address matching on the system addresses of all the outdoor units and the communication addresses of all the intelligent electric meters according to the corresponding relation to generate an address matching table and outputting the address matching table to a user for confirmation.
In the installation stage of the central air conditioner:
the intelligent electric meters supporting the modbus protocol are installed in each refrigerant system while the central air conditioner is installed, and the whole system is finally uploaded to a cloud end or an upper computer through a centralized controller through wired communication.
In the debugging stage of the central air conditioner:
after the central air conditioner is normally installed and debugged, the communication address of the intelligent electric meter needs to be set in a key mode, and defaults can be selected for other communication parameters such as baud rate and parity check.
The range of a central air-conditioning refrigerant system address (outdoor unit system address) sysAddr is 0-63, a plurality of air-conditioning refrigerant systems are allowed to be accessed on one air-conditioning bus and cannot be repeated, and the addresses meterAddr of the smart meter of the modbus protocol are usually 1-247, and the two addresses cannot be in one-to-one correspondence, so that the address of the smart meter is set to be meterAddr = sysAddr + i, and the air-conditioning refrigerant system address and the smart meter communication address are designed to be in one-to-one correspondence conversion relationship.
The information processing stage of the electric meter of the central air conditioner is as follows:
when the centralized controller searches, the intelligent electric meter is required to be accessed to the system besides the refrigerant system of the central air conditioner. After the searching is finished, the searched communication addresses of the intelligent electric meters are stored in the storage unit one by one, the system addresses of the outdoor units are also stored in the storage unit one by one, then the communication addresses of the intelligent electric meters and the system addresses of the outdoor units are matched according to the corresponding relation to generate an address matching relation, and the address matching relation is presented to a user for confirmation. The user not only needs to confirm whether the currently accessed refrigerant system and address are correct, but also needs to confirm which refrigerant systems are currently accessed to the electric meter for checking whether the set address is wrong or not during installation.
When reporting the electric quantity information, the centralized controller directly reports the electric quantity data corresponding to the address obtained by subtracting the i from the communication address of the intelligent electric meter, namely converts the electric quantity data into the corresponding electric quantity information under the refrigerant system.
This embodiment is applicable to the management software of smart mobile phone APP end very much, during the installation, only need according to this rule set up modbus smart electric meter the communication address can, need not to edit and issue the configuration table, very suitable intelligent terminal uses, and is convenient, high-efficient.
The embodiment also provides an energy consumption obtaining method of the central air conditioner, wherein the central air conditioner comprises a plurality of outdoor units, each outdoor unit corresponds to a plurality of indoor units, and each outdoor unit corresponds to an intelligent electric meter for detecting energy consumption; the energy consumption obtaining method comprises the following steps:
and acquiring and/or setting system addresses of all the outdoor units, and setting the communication addresses of all the intelligent electric meters according to the corresponding relation between the system addresses of the outdoor units and the communication addresses of the intelligent electric meters.
And searching system addresses of all outdoor units and communication addresses of all intelligent electric meters.
And acquiring the energy consumption detected by the intelligent electric meter.
And acquiring the energy consumption of the outdoor unit according to the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter. The energy consumption of the outdoor units may be energy consumption of a single outdoor unit, or energy consumption of all the outdoor units.
The system address of the outdoor unit is sysAddr, the communication address of the intelligent electric meter corresponding to the outdoor unit is meterAddr, and the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter is as follows: meterAddr = sysAddr + i, i being a natural number.
The range of the system address sysAddr of the outdoor unit is 0-m, the range of the communication address meterAddr of the intelligent electric meter is 1-n, and i is less than or equal to n-m. Wherein m =63, n =247, i ≤ 184.
Preferably, i = 1.
After searching the system addresses of all the outdoor units and the communication addresses of all the intelligent electric meters, the method further comprises the following steps: and carrying out address matching on the system addresses of all the outdoor units and the communication addresses of all the intelligent electric meters according to the corresponding relation to generate an address matching relation and outputting the address matching relation to a user for confirmation.
As shown in fig. 5, in the central air conditioner installation and debugging stage:
and S1, finishing the installation of the central air conditioner.
And S2, finishing the installation of the intelligent electric meter.
And S3, setting the address of the refrigerant system and the intelligent electric meter.
And S4, power-on debugging.
As shown in fig. 6, in the operation stage of the central air conditioner:
and A1, searching by the centralized controller. And searching system addresses of all outdoor units and communication addresses of all intelligent electric meters included in the central air conditioner.
A2, storing the system address and the electric meter address of the outdoor unit by the centralized controller.
And A3, the centralized controller performs address matching according to the corresponding relation.
A4, the centralized controller reports information.
A5, user confirms, if yes, enter A6, otherwise enter A8.
A6, the centralized controller collects electric quantity periodically.
And A7, converting the power into the electric quantity of the refrigerant system and reporting the electric quantity.
A8, check address settings. If there is an error, the process proceeds to A5.
And reporting the electric quantity of all refrigerant systems of the whole central air conditioner in a unified way, wherein the steps A6-A7 can be replaced by the steps of inquiring the electric quantity of a single refrigerant system: and acquiring a communication address of the intelligent electric meter corresponding to a certain refrigerant system address, and uploading the electric quantity of the intelligent electric meter.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A central air conditioner, comprising:
each outdoor unit corresponds to a plurality of indoor units, and each outdoor unit corresponds to an intelligent ammeter for detecting energy consumption;
the system comprises an address setting module, a communication module and a communication module, wherein the address setting module is used for acquiring and/or setting system addresses of all outdoor units and setting communication addresses of all intelligent electric meters according to the corresponding relation between the system addresses of the outdoor units and the communication addresses of the intelligent electric meters;
the control module is used for searching system addresses of all outdoor units and communication addresses of all intelligent electric meters; and the energy consumption acquisition module is used for acquiring the energy consumption detected by the intelligent electric meter and acquiring the energy consumption of the outdoor unit according to the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter.
2. The central air conditioner according to claim 1, wherein the system address of the outdoor unit is sysAddr, the communication address of the smart meter corresponding to the outdoor unit is meterAddr, and the correspondence relationship between the system address of the outdoor unit and the communication address of the smart meter is: meterAddr = sysAddr + i, i being a natural number.
3. The central air conditioner as claimed in claim 2, wherein the system address sysAddr of the outdoor unit ranges from 0 to m, the communication address meterAddr of the smart meter ranges from 1 to n, and i ≦ n-m.
4. The central air conditioner according to claim 3, wherein i = 1.
5. The central air conditioner according to any one of claims 1 to 4, wherein the control module is configured to perform address matching on the system addresses of all outdoor units and the communication addresses of all smart meters according to the correspondence relationship to generate an address matching relationship, and output the address matching relationship to a user for confirmation.
6. The energy consumption obtaining method of the central air conditioner comprises a plurality of outdoor units, wherein each outdoor unit corresponds to a plurality of indoor units, and each outdoor unit corresponds to an intelligent ammeter for detecting energy consumption; the method is characterized by comprising the following steps:
acquiring and/or setting system addresses of all outdoor units, and setting communication addresses of all intelligent electric meters according to the corresponding relation between the system addresses of the outdoor units and the communication addresses of the intelligent electric meters;
searching system addresses of all outdoor units and communication addresses of all intelligent electric meters;
acquiring energy consumption detected by the intelligent ammeter;
and acquiring the energy consumption of the outdoor unit according to the corresponding relation between the system address of the outdoor unit and the communication address of the intelligent electric meter.
7. The method as claimed in claim 6, wherein a system address of the outdoor unit is sysAddr, a communication address of the smart meter corresponding to the outdoor unit is meterAddr, and a correspondence relationship between the system address of the outdoor unit and the communication address of the smart meter is: meterAddr = sysAddr + i, i being a natural number.
8. The method as claimed in claim 7, wherein a system address sysAddr of the outdoor unit ranges from 0 to m, a communication address meterAddr of the smart meter ranges from 1 to n, and i is ≦ n-m.
9. The method for acquiring energy consumption of a central air conditioner according to claim 8, wherein i = 1.
10. The method of claim 9, wherein after searching for the system addresses of all outdoor units and the communication addresses of all smart meters, the method further comprises: and carrying out address matching on the system addresses of all the outdoor units and the communication addresses of all the intelligent electric meters according to the corresponding relation to generate an address matching relation and outputting the address matching relation to a user for confirmation.
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Application publication date: 20220311 |