CN116928796B - Central air conditioner indoor unit abnormality compensation method and device and central air conditioner - Google Patents
Central air conditioner indoor unit abnormality compensation method and device and central air conditioner Download PDFInfo
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- CN116928796B CN116928796B CN202311197334.8A CN202311197334A CN116928796B CN 116928796 B CN116928796 B CN 116928796B CN 202311197334 A CN202311197334 A CN 202311197334A CN 116928796 B CN116928796 B CN 116928796B
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- 230000005856 abnormality Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012790 confirmation Methods 0.000 claims abstract description 11
- 238000004378 air conditioning Methods 0.000 claims description 20
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
Abstract
The invention provides a central air conditioner indoor unit abnormality compensation method and device and a central air conditioner, wherein the method comprises the following steps: comparing the number N of the air conditioner indoor units reported by the air conditioner controller before power failure with the number N1 of the new air conditioner indoor units reported by the air conditioner controller after power up; if N1=N, reassigning the stored running time data of each air conditioner indoor unit to the air conditioner indoor unit under the air conditioner controller, and immediately reporting the running time data; if N1 is larger than N, setting a timing polling time interval T, restarting the air conditioner controller after the timing polling time interval T is reached, refreshing the number N1 of new air conditioner indoor units, and comparing the sizes of N1 and N. The invention adopts a mode of restarting the air conditioner controller, polling the active wheel and pushing the confirmation alarm, solves the problem of reporting abnormality of the number of the air conditioner internal units caused by the power-off restarting of the air conditioner internal units and external units in a semi-automatic mode, and improves the operation and maintenance efficiency.
Description
Technical Field
The invention belongs to the technical field of control systems, and relates to a central air conditioner indoor unit abnormality compensation method and device and a central air conditioner.
Background
The central air conditioning system consists of one or more cold and heat source systems and a plurality of air conditioning systems, and adopts the principle of liquid gasification refrigeration to provide required cold energy for the air conditioning systems so as to offset the heat load of indoor environment; the heating system provides the air conditioning system with the required heat to counteract the indoor environmental cooling and heating load. Because the central air conditioner can completely meet the requirements of miniaturization and small refrigerating capacity in technology, the field of household consumption has an expanding trend.
At present, an air conditioner centralized control system is a common intelligent management system, and a reported air conditioner indoor unit can be monitored and controlled in a centralized mode through a central air conditioner controller, and cost sharing calculation is carried out through the service condition of each air conditioner indoor unit. However, in the actual use process, when the power-on time of the internal and external machines is inconsistent, abnormal conditions of incorrect quantity reported by the internal machine of the air conditioner controller can occur, so that the internal machine of the air conditioner cannot be controlled remotely and the cost calculation is inaccurate.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method for compensating the abnormality of an indoor unit of a central air conditioner, which comprises the following steps:
comparing the number N of the air conditioner indoor units before power failure with the number N1 of the new air conditioner indoor units after power up;
if N1=N, reassigning the operation data of each air conditioner indoor unit before power failure to the corresponding air conditioner indoor unit, and immediately reporting the operation data;
if N1 is not equal to N, setting a timing polling time interval T and starting timing polling, restarting an air conditioner controller after the timing polling time interval T is reached, refreshing the number N1 of air conditioner indoor units, and comparing the sizes of N1 and N;
in the timing polling, if N1 is less than N twice continuously, stopping the timing polling, pushing a confirmation alarm that the number of the air conditioner indoor units becomes smaller, and simultaneously assigning the operation data of each air conditioner indoor unit before restarting to the air conditioner indoor unit with unchanged address and reporting immediately; otherwise, continuing to poll in a timing way;
in the timing polling, if N1 is greater than N twice continuously, stopping the timing polling, assigning the operation data of each air conditioner indoor unit before restarting to the air conditioner indoor unit with the corresponding address, writing 0 into the operation data of the air conditioner indoor unit with the newly added address and reporting the operation data; otherwise, continuing to poll in a timing way;
in the timing polling, when n1=n, the timing polling is stopped, and the operation data of each air conditioner indoor unit before restarting is reassigned to the corresponding air conditioner indoor unit and immediately reported.
Further, reassigning the operation data of each air conditioner indoor unit before power failure or restarting to the corresponding air conditioner indoor unit and immediately reporting the operation data specifically comprises the following steps:
comparing whether the addresses of the air conditioner indoor units change before and after power failure or restarting;
if the operation data of each air conditioner indoor unit is unchanged, reassigning the operation data of each air conditioner indoor unit before power failure or restarting to the air conditioner indoor unit with the corresponding address, and immediately reporting the operation data;
if only 1 air conditioner indoor unit address changes, assigning the running data of the air conditioner indoor unit before power failure or restarting to the changed address air conditioner indoor unit, and immediately reporting;
if the address of a plurality of air-conditioning indoor units changes, reporting a confirmation alarm, and after confirming the old address corresponding to the new address of the air-conditioning indoor unit, assigning the operation data of the air-conditioning indoor unit with the old address before power failure or restarting to the corresponding air-conditioning indoor unit with the new address, and immediately reporting.
Further, the operation data of the air conditioner indoor unit are specifically operation duration data of high, medium and low wind speeds of the air conditioner indoor unit.
The invention also provides an abnormality compensation device for the central air conditioner indoor unit, which compensates the abnormality of the air conditioner indoor unit by adopting the abnormality compensation method for the central air conditioner indoor unit, and comprises the following steps: a gateway module with storage and calculation, a plurality of air conditioner controllers and a plurality of groups of air conditioner indoor units; each group of air conditioner indoor units is electrically connected with a corresponding air conditioner controller, and all air conditioner controllers are connected with the gateway module; the gateway module is used for storing the number of the air-conditioner indoor units, the addresses of the air-conditioner indoor units and the operation data of the air-conditioner indoor units, and is also used for comparing the number N of the air-conditioner indoor units reported by the air-conditioner controllers before power failure with the number N1 of the air-conditioner indoor units reported by the air-conditioner controllers after power-up or restarting.
Further, each air conditioner controller controls a group of air conditioner indoor units, is used for switching on and off the air conditioner indoor units in the group, reads the number of the air conditioner indoor units in the group, the addresses of the air conditioner indoor units and the operation data of the air conditioner indoor units, sends the read data to the gateway module, and stores the read data by the gateway module.
Further, the confirmation alarm is reported by the gateway module.
The central air conditioner is further provided with the abnormality compensation device.
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention adopts the mode of restarting the air conditioner controller, polling the driving wheel and pushing the confirmation alarm by comparing the number of the air conditioner internal units before and after the power failure, thereby realizing the semiautomatic mode, solving the problem of reporting the abnormal number of the air conditioner internal units caused by the power failure restarting of the air conditioner internal units and improving the operation and maintenance efficiency.
(2) For the scene of using the running time of the air conditioner indoor unit to carry out the sharing charging, the invention effectively solves the problem of the sharing charging error caused by the error of the data of the running time reported by the air conditioner indoor unit after the address of the air conditioner indoor unit is changed.
Drawings
Fig. 1 is a flowchart of a method according to an embodiment of the present invention (a part of the steps when n1=n).
Fig. 2 is a flowchart of a method according to an embodiment of the present invention (when N1< N).
FIG. 3 is a flow chart of a method according to an embodiment of the present invention (when N1> N).
Fig. 4 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Detailed Description
The invention provides a compensation mechanism for reporting abnormality of an air conditioner indoor unit, which is characterized in that a gateway module stores the number of the air conditioner indoor units before power failure of each air conditioner controller, and the air conditioner indoor units reported by the air conditioner controllers and running duration data are determined by the air conditioner controllers by adopting operations such as timing polling, restarting, pushing alarm and the like when abnormality occurs according to the comparison between the number of the air conditioner indoor units reported by the air conditioner controllers after power failure restarting and the number of the air conditioner indoor units before power failure.
The invention will now be described in detail with reference to the drawings and the accompanying specific examples.
The embodiment provides a central air conditioner indoor unit abnormality compensation method and device and a central air conditioner, as shown in fig. 4, which is a central air conditioner indoor unit abnormality compensation device of a specific embodiment, and comprises a gateway module with storage and calculation, a plurality of air conditioner controllers (installed on an air conditioner outdoor unit), and a plurality of groups of air conditioner indoor units (simply called as indoor units in fig. 1-4); each group of air conditioner indoor units is electrically connected with a corresponding air conditioner controller, and all air conditioner controllers are connected with the gateway module. The gateway module is used for storing data such as the number of the air conditioner indoor units, the address of each air conditioner indoor unit, the operation time of high, medium and low wind speeds of each air conditioner indoor unit and the like, and is also used for calculating the number of the air conditioner indoor units before and after power failure or restarting. Each air conditioner controller controls a group of air conditioner indoor units and is used for switching on and switching off the air conditioner indoor units in the group, reading data such as the number of the air conditioner indoor units in the group, the addresses of the air conditioner indoor units, the operation time of high, medium and low wind speeds of the air conditioner indoor units and the like, sending the read data to the gateway module, and storing the read data by the gateway module.
The method specifically comprises the following steps:
and step 1, the gateway module stores the number N of the air conditioner indoor units reported by each air conditioner controller before power failure, and the address of each air conditioner indoor unit, the running time of high, medium and low wind speeds and other data. After the air conditioner external unit and the air conditioner internal unit are respectively powered on, the number N1 of the new air conditioner internal units reported by each air conditioner controller is checked, and the numbers of N and N1 before and after power failure are compared.
And 2, comparing whether the address of the air conditioner indoor unit under the air conditioner controller changes or not when the N1 = N, wherein part of specific steps are shown in fig. 1.
And 2.1, if the air conditioner is unchanged, reassigning the high-middle-low operation time length data corresponding to each air conditioner indoor unit before power failure or restarting stored by the gateway module to the air conditioner indoor unit with the corresponding address under the air conditioner controller, and immediately reporting the data.
2.2 if only 1 air conditioner indoor unit address changes, assigning the operation data of the air conditioner indoor unit address before power failure or restarting to the changed address by the gateway module storage, and immediately reporting;
2.3 if there is a change in the address of multiple air-conditioning indoor units, reporting a confirmation alarm by the gateway module, after confirming the old address corresponding to the new address of the air-conditioning indoor unit, assigning the operation data of the old address of the air-conditioning indoor unit before power failure or restarting to the corresponding new address by the gateway module, and reporting immediately. This step is omitted in fig. 1.
And 3, when N1 is less than N, namely the number of the air conditioner indoor units is reduced, setting a time interval T of timing polling, and when the air conditioner indoor units and the air conditioner indoor units are powered on, sending a restarting instruction to the air conditioner controller by the gateway module, and after the corresponding air conditioner controller is restarted, comparing whether the number N1 of the air conditioner indoor units reported again is equal to N or not again, wherein part of specific steps are shown in figure 2.
And 3.1, if the number N1 of the re-reported air conditioner indoor units is equal to N, returning to the step 2 and continuing to execute.
3.2, if the number of the air conditioner indoor units is not equal to N, the air conditioner controller performs active polling after the time T, the number of the polled air conditioner indoor units is checked, if the number N1 of the air conditioner indoor units reported again is still smaller than N, a confirmation alarm that the number of the air conditioner indoor units is reduced is pushed, and meanwhile, the operation data of each air conditioner indoor unit stored in the gateway module before restarting is assigned to the air conditioner indoor units with unchanged addresses and reported immediately; otherwise, if N1 is greater than N, step 4 is executed, and if N1 is equal to N, step 2 is returned to for further execution. The case where N1 is greater than N and N1 is equal to N is omitted in fig. 2.
Step 4, as shown in fig. 3, when N1> N, the number of air conditioners becomes larger. Setting a time interval T of timing polling, checking the number of new air-conditioning indoor units after polling after the air-conditioning controller performs active polling, if N1> N is still adopted, assigning the operation data of each air-conditioning indoor unit before restarting stored by the gateway module to the air-conditioning indoor unit with a corresponding address, and writing and reporting the high, medium and low operation time length data of the air-conditioning indoor unit with the newly-added address by default to 0; otherwise, if N1 is equal to N, step 2 is performed, and if N1 is smaller than N, step 3 is performed.
The central air conditioner specifically adopts the central air conditioner indoor unit abnormality compensation device.
Table 1 shows the statistics of the errors of the shared billing performed by the air conditioner indoor units of the building third floor according to the embodiment, and as can be seen from table 1, the error rate of the shared billing is greatly reduced by using the method of the embodiment.
TABLE 1
According to the invention, the quantity of the air conditioner internal units before and after power failure is compared, the air conditioner controller is restarted, the active wheel is polled, and the push confirmation alarm is sent, so that the problem that the quantity of the air conditioner internal units is reported abnormally due to the fact that the power failure of the air conditioner internal units and the air conditioner internal units are restarted is solved in a semi-automatic mode, and the operation and maintenance efficiency is improved; for the scene of carrying out the sharing charging by using the running time of the air conditioner indoor unit, the invention effectively solves the problem of the sharing charging error caused by the error of the reporting of the running time data of the air conditioner indoor unit after the address of the air conditioner indoor unit is changed.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The method for compensating the abnormality of the indoor unit of the central air conditioner is characterized by comprising the following steps of:
comparing the number N of the air conditioner indoor units before power failure with the number N1 of the new air conditioner indoor units after power up;
if N1=N, reassigning the operation data of each air conditioner indoor unit before power failure to the corresponding air conditioner indoor unit, and immediately reporting the operation data;
if N1 is not equal to N, setting a timing polling time interval T and starting timing polling, restarting an air conditioner controller after the timing polling time interval T is reached, refreshing the number N1 of air conditioner indoor units, and comparing the sizes of N1 and N;
in the timing polling, if N1 is less than N twice continuously, stopping the timing polling, pushing a confirmation alarm that the number of the air conditioner indoor units becomes smaller, and simultaneously assigning the operation data of each air conditioner indoor unit before restarting to the air conditioner indoor unit with unchanged address and reporting immediately; otherwise, continuing to poll in a timing way;
in the timing polling, if N1 is greater than N twice continuously, stopping the timing polling, assigning the operation data of each air conditioner indoor unit before restarting to the air conditioner indoor unit with the corresponding address, writing 0 into the operation data of the air conditioner indoor unit with the newly added address and reporting the operation data; otherwise, continuing to poll in a timing way;
in the timing polling, when N1=N, stopping the timing polling, reassigning the operation data of each air conditioner indoor unit before restarting to the corresponding air conditioner indoor unit, and immediately reporting the operation data;
the method for reassigning the operation data of each air conditioner indoor unit before power failure or restarting to the corresponding air conditioner indoor unit and immediately reporting the operation data comprises the following steps:
comparing whether the addresses of the air conditioner indoor units change before and after power failure or restarting;
if the operation data of each air conditioner indoor unit is unchanged, reassigning the operation data of each air conditioner indoor unit before power failure or restarting to the air conditioner indoor unit with the corresponding address, and immediately reporting the operation data;
if only 1 air conditioner indoor unit address changes, assigning the running data of the air conditioner indoor unit before power failure or restarting to the changed address air conditioner indoor unit, and immediately reporting;
if the address of a plurality of air-conditioning indoor units changes, reporting a confirmation alarm, and after confirming the old address corresponding to the new address of the air-conditioning indoor unit, assigning the operation data of the air-conditioning indoor unit with the old address before power failure or restarting to the corresponding air-conditioning indoor unit with the new address, and immediately reporting.
2. The method for compensating for anomalies of an air conditioner according to claim 1, wherein the operation data of the air conditioner is specifically operation duration data of high, medium and low wind speeds of the air conditioner.
3. An abnormality compensation device for a central air conditioner indoor unit, characterized in that an abnormality of the air conditioner indoor unit is compensated by adopting the abnormality compensation method for a central air conditioner indoor unit according to any one of claims 1 to 2, comprising: a gateway module with storage and calculation, a plurality of air conditioner controllers and a plurality of groups of air conditioner indoor units; each group of air conditioner indoor units is electrically connected with a corresponding air conditioner controller, and all air conditioner controllers are connected with the gateway module; the gateway module is used for storing the number of the air-conditioner indoor units, the addresses of the air-conditioner indoor units and the operation data of the air-conditioner indoor units, and is also used for comparing the number N of the air-conditioner indoor units reported by the air-conditioner controllers before power failure with the number N1 of the air-conditioner indoor units reported by the air-conditioner controllers after power-up or restarting.
4. The abnormality compensation device for a central air conditioner indoor unit according to claim 3, wherein each air conditioner controller controls a group of air conditioner indoor units for switching on and off the air conditioner indoor units in the group, reads the number of the air conditioner indoor units in the group, the addresses of the air conditioner indoor units, and the operation data of the air conditioner indoor units, and transmits the read data to the gateway module, which stores the data.
5. The abnormality compensation device for a central air conditioner according to claim 4, wherein the confirmation alarm is reported by a gateway module.
6. A central air conditioner characterized in that the abnormality compensating device for the central air conditioner according to any one of claims 3 to 5 is adopted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311197334.8A CN116928796B (en) | 2023-09-18 | 2023-09-18 | Central air conditioner indoor unit abnormality compensation method and device and central air conditioner |
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| CN202311197334.8A CN116928796B (en) | 2023-09-18 | 2023-09-18 | Central air conditioner indoor unit abnormality compensation method and device and central air conditioner |
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| CN116928796B true CN116928796B (en) | 2023-12-08 |
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