CN113465140B - Air conditioner monitoring method and device, air conditioner controller and storage medium - Google Patents
Air conditioner monitoring method and device, air conditioner controller and storage medium Download PDFInfo
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- CN113465140B CN113465140B CN202110637031.8A CN202110637031A CN113465140B CN 113465140 B CN113465140 B CN 113465140B CN 202110637031 A CN202110637031 A CN 202110637031A CN 113465140 B CN113465140 B CN 113465140B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
- F24F11/47—Responding to energy costs
Abstract
The embodiment of the invention relates to the technical field of air conditioners, and discloses an air conditioner monitoring method, which comprises the following steps: acquiring the power consumption of at least two devices of the air conditioner in a preset period; calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner in a preset period; and determining the running state of the air conditioner according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device. The invention also discloses an air conditioner monitoring device, an air conditioner controller and a storage medium. The air conditioner monitoring method, the air conditioner monitoring device, the air conditioner controller and the storage medium disclosed by the invention can improve the accuracy when determining the running state of the air conditioner, and are beneficial to pertinently regulating and controlling the air conditioner.
Description
Technical Field
The embodiment of the invention relates to the technical field of air conditioners, in particular to an air conditioner monitoring method and device, an air conditioner controller and a storage medium.
Background
PUE (power utility efficiency) is the ratio of all energy consumed by a data center to energy consumed by IT loads, and has become a measure of the power utilization efficiency of a data center which is popular internationally. According to statistical data, the cooling of the data center accounts for about 40% of the total power consumption of the machine room. The cooling in the machine room is mainly responsible for by the machine room air conditioner, so the PUE value that can effectual reduction machine room of power consumption that reduces the machine room air conditioner.
At present, generally, the power consumption condition of the air conditioner is collected at the front end of the air conditioner by increasing an intelligent electric meter and the like, and the air conditioner is regulated and controlled to reduce the power consumption of the air conditioner when the power consumption of the air conditioner is too high.
However, the above method cannot accurately determine the operation state of the air conditioner, and it is difficult to perform targeted control on the air conditioner.
Disclosure of Invention
The embodiment of the invention aims to provide an air conditioner monitoring method, an air conditioner monitoring device, an air conditioner controller and a storage medium, so that the accuracy is improved when the running state of an air conditioner is determined, and the air conditioner can be favorably and specifically regulated.
In order to solve the above technical problem, an embodiment of the present invention provides an air conditioner monitoring method, including: acquiring the power consumption of at least two devices of the air conditioner in a preset period; calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner in a preset period; and determining the running state of the air conditioner according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device.
An embodiment of the present invention further provides an air conditioner monitoring apparatus, including: the acquisition module is used for acquiring the power consumption of at least two devices of the air conditioner in a preset period; the calculating module is used for calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner in a preset period; and the determining module is used for determining the running state of the air conditioner according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device.
An embodiment of the present invention also provides an air conditioner controller, including: at least one processor; and a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to execute the air conditioner monitoring method.
The embodiment of the invention also provides a computer readable storage medium, which stores a computer program, and the computer program realizes the air conditioner monitoring method when being executed by a processor.
Compared with the prior art, the method and the device have the advantages that the power consumption of at least two devices of the air conditioner in the preset period is obtained; calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner; and determining the running state of the air conditioner according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device. By acquiring the power consumption of each device of the air conditioner and determining the running state of the air conditioner according to the ratio of each device to the total power consumption, the accuracy of determining the running state of the air conditioner is improved, and the targeted regulation and control of the air conditioner are facilitated.
In addition, the obtaining of the power consumption of at least two devices of the air conditioner in the preset period includes: and at least acquiring the power consumption of a compressor, an indoor fan and an outdoor fan of the air conditioner in a preset period.
In addition, at least, acquire the power consumption of compressor, indoor fan and the outdoor fan of air conditioner in the preset period, include: acquiring the power consumption of a compressor or an outdoor fan of an air conditioner in a preset period by the following method: acquiring the rotating speed of a first device and the output power of a frequency converter of the first device, wherein the first device is a compressor or an outdoor fan of the air conditioner; calculating the power of the first device according to a preset first device power function, and then calculating the power consumption of the first device in a preset period according to the power of the first device; wherein the power consuming device power function is:
P first device ＝α×P Frequency converter
The P is First device Is the power of the first device, alpha is the power coefficient corresponding to the rotating speed of the first device, and P Frequency converter And outputting power for the frequency converter of the first device.
In addition, at least, acquire the power consumption of compressor, indoor fan and the outdoor fan of air conditioner in the preset period, include: the method comprises the following steps of obtaining the power consumption of an indoor fan of the air conditioner in a preset period by the following method: acquiring the rotating speed of the indoor fan; calculating the power of the indoor fan according to a preset power consumption function of the indoor fan, and then calculating the power consumption of the indoor fan in a preset period according to the power of the indoor fan; wherein, the power consumption function of the indoor fan is as follows:
P indoor fan ＝C 1 ×f 2 +C 2 ×f+C 3
The P is Indoor fan Is the power of the indoor fan, C 1 、C 2 And C 3 The first constant, the second constant and the third constant are respectively corresponding to the rotating speed of the indoor fan, and f is the rotating speed of the indoor fan.
In addition, the acquiring power consumption of at least two devices of the air conditioner in the preset period further includes: and acquiring the power consumption of the humidifier and/or the auxiliary electric heater of the air conditioner in a preset period.
In addition, before calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner in the preset period, the method further comprises the following steps: and accumulating the acquired power consumption of each device, and taking the accumulated sum as the whole power consumption of the air conditioner.
In addition, before determining the operating state of the air conditioner according to the power consumption ratio of each device and the position relationship of the preset interval corresponding to each device, the method further includes: and determining a preset interval corresponding to each device according to the equipment type of the device with the acquired power consumption.
Drawings
One or more embodiments are illustrated by the corresponding figures in the drawings, which are not meant to be limiting.
Fig. 1 is a schematic flow chart of an air conditioner monitoring method according to a first embodiment of the present invention;
fig. 2 is a schematic flow chart of an air conditioner monitoring method according to a second embodiment of the present invention;
fig. 3 is a flowchart illustrating a method for obtaining power consumption of a compressor and an outdoor motor of an air conditioner during a preset period according to a second embodiment of the present invention;
fig. 4 is a flowchart illustrating a method of acquiring a power consumption amount of an indoor fan of an air conditioner for a preset period according to a second embodiment of the present invention;
fig. 5 is a schematic flow chart of an air conditioner monitoring method according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of an air conditioner monitoring device according to a fourth embodiment of the present invention;
fig. 7 is a schematic configuration diagram of an air conditioner controller according to a fifth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
The first embodiment of the present invention relates to an air conditioner monitoring method, and the implementation details of the air conditioner monitoring method of the present embodiment are specifically described below, which are provided only for easy understanding and are not necessary for implementing the present solution.
A schematic flow chart of the air conditioner monitoring method in this embodiment is shown in fig. 1, and includes the following steps:
step 101: acquiring the power consumption of at least two devices of the air conditioner in a preset period;
specifically, the power consumption of the main power consumption device of the air conditioner in the preset period is obtained, and the power consumption of the power consumption device in the preset period can be obtained by communicating with the main power consumption device, receiving the power parameter of the power consumption device and calculating.
In an actual application scene, the machine room air conditioner mainly comprises a refrigeration cycle system, a ventilation system, a humidification system and a reheating system. The refrigeration circulating system mainly comprises a compressor, a condenser, an expansion valve and a condenser; the ventilation system mainly comprises an indoor fan and an outdoor fan; the reheating system mainly comprises an auxiliary electric heater; the humidifying system mainly comprises an electrode humidifier. In the step, for the machine room air conditioner comprising the refrigeration cycle system, at least the power consumption of the compressor is obtained in the step; for the machine room air conditioner comprising a ventilation system, at least the power consumption of an indoor fan and the power consumption of an outdoor fan are obtained in the step; for the machine room air conditioner comprising a reheating system, at least acquiring the power consumption of the auxiliary electric heater in the step; for a machine room air conditioner including a humidification system, at least the power consumption of the electrode humidifier is acquired in this step.
Preferably, the power consumption of all power consumption devices of the air conditioner is obtained. Therefore, the power consumption of the whole air conditioner can be directly obtained by accumulating the power consumption of all power consumption devices, so that an accurate air conditioner power consumption numerical value can be provided for PUE calculation of the data center under the condition that power acquisition equipment is not increased, and the hardware cost of the air conditioner is reduced.
Step 102: calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner in a preset period;
specifically, in this step, the power consumption of the whole air conditioner in the preset period may be obtained by the following method:
the method comprises the following steps: the intelligent ammeter is additionally arranged at the front end of the air conditioner, so that the power consumption of the whole air conditioner in a preset period of the air conditioner is directly read;
the method 2 comprises the following steps: the power consumption of the whole air conditioner is obtained by obtaining the power consumption of all the power consumption devices of the air conditioner in a preset period and accumulating the power consumption of all the power consumption devices.
Preferably, the method 2 is adopted to obtain the power consumption of the whole air conditioner.
In an actual application scenario, the device power consumption occupation ratio is higher than a specific device power consumption value, on one hand, for air-conditioning equipment with different specification parameters, normal intervals of the specific power consumption value of the same device may be different, and the power consumption occupation ratios of the same device are basically the same, so that the compatibility is higher when the device power consumption occupation ratio is provided than when the specific device power consumption value is provided; on the other hand, the device power consumption accounts for more intuitionistic and more readable values than specific device power consumption values.
In a specific example, after the power consumption ratio of each device is calculated in this step, the power consumption ratio of each device may be displayed.
Step 103: and determining the running state of the air conditioner according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device.
Specifically, the working state of each device can be determined according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device, and the working state of each device can be regulated and controlled when the power consumption of the whole air conditioner needs to be reduced.
Compared with the prior art, the embodiment of the invention obtains the power consumption of at least two devices of the air conditioner in the preset period; calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner; and determining the running state of the air conditioner according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device. By acquiring the power consumption of each device of the air conditioner and determining the running state of the air conditioner according to the ratio of each device to the total power consumption, the accuracy of determining the running state of the air conditioner is improved, and the targeted regulation and control of the air conditioner are facilitated.
A second embodiment of the present invention relates to an air conditioner monitoring method. The second embodiment is substantially the same as the first embodiment, except that the step of "acquiring power consumption amounts of at least two devices of an air conditioner in a preset period" in the present embodiment specifically includes: "acquiring power consumption of a compressor, an indoor fan, and an outdoor fan of an air conditioner in a preset period" and a specific method of acquiring power consumption of the compressor, the indoor fan, and the outdoor fan are provided.
The present embodiment is preferably applied to a machine room air conditioner including a refrigeration cycle system and a ventilation system, and not including a humidification system and a reheating system.
A flow chart of the air conditioner monitoring method in the embodiment is shown in fig. 2, and specifically includes the following steps:
step 201: acquiring the power consumption of a compressor, an indoor fan and an outdoor fan of an air conditioner in a preset period;
specifically, the power consumption of the compressor and the outdoor motor of the air conditioner in the preset period can be obtained through the following method (the flow of the method is shown in fig. 3):
step a 1: acquiring the rotating speed of a first device and the output power of a frequency converter of the first device, wherein the first device is a compressor or an outdoor fan of the air conditioner; preferably, the air conditioner controller reads the actual rotating speed of the first device and the power consumed by the frequency converter through communication with the frequency converter of the first device.
Step a 2: calculating the power of the first device according to a preset power function of the first device;
step a 3: and calculating the power consumption of the first device in a preset period according to the power of the first device.
Wherein the power consuming device power function is:
P first device ＝α×P Frequency converter
In the formula, the P First device Is the power of the first device, alpha is the power coefficient corresponding to the rotating speed of the first device, and P Frequency converter And outputting power for the frequency converter of the first device.
Further, the power coefficient α corresponds to the actual rotation speed of the first device, and the power coefficient α is different at different rotation speeds.
In a specific example, the first device is a compressor, and the relationship between the power coefficient α and the actual speed n of the compressor is shown in table 1:
| speed n (rps) of the compressor | Power constant alpha Compressor |
| 0-20 | 1.05 |
| 21-40 | 1.04 |
| 41-60 | 1.03 |
| 61-90 | 1.02 |
| 91-120 | 1.03 |
TABLE 1
In a specific example, the first device is an outdoor fan, and the relationship between the power coefficient α and the actual rotation speed z of the outdoor fan is shown in table 2:
| outer fan rotating speed z (r/min) | Power constant alpha Outdoor fan |
| 0-200 | 1.01 |
| 201-400 | 1.00 |
| 401-600 | 0.99 |
| 601-800 | 1.01 |
| 801-1000 | 1.02 |
TABLE 2
Meanwhile, the power consumption of the indoor fan of the air conditioner in the preset period can be obtained by the following method (the flow of the method is shown in fig. 4):
step b 1: acquiring the rotating speed of the indoor fan; preferably, the air conditioner controller reads the actual rotation speed of the indoor fan by communicating with the controller of the indoor fan.
Step b 2: calculating the power of the indoor fan according to a preset power consumption function of the indoor fan;
step b 3: calculating the power consumption of the indoor fan in a preset period according to the power of the indoor fan;
wherein, the power consumption function of the indoor fan is as follows:
P indoor fan ＝C 1 ×f 2 +C 2 ×f+C 3
In the formula, the P Indoor fan Is the power of the indoor fan, C 1 、C 2 And C 3 The first constant, the second constant and the third constant are respectively corresponding to the rotating speed of the indoor fan, and f is the rotating speed of the indoor fan.
Further, a first constant C 1 A second constant C 2 And a third constant C 3 All corresponding to the actual rotating speed of the indoor fan.
In a specific example, the first constant C 1 A second constant C 2 And a third constant C 2 The relationship with the actual speed f of the indoor fan is shown in table 3:
| inner fan speed f (percentage) | C 1 | C 2 | C 3 |
| 0－20 | 158.52 | －38.664 | 13.008 |
| 21－40 | 123.56 | 13.526 | －5.4664 |
| 41－60 | －141.56 | 445.36 | －177.06 |
| 61－90 | －619.05 | 1273.8 | －532.14 |
| 91－100 | －1142.9 | 2217.1 | 954 |
TABLE 3
Step 202: calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner in a preset period;
specifically, accumulating the power consumption of a compressor, an indoor fan and an outdoor fan of the air conditioner in a preset period, and taking the accumulated sum as the power consumption of the whole air conditioner; and calculating the power consumption ratio of the compressor, the indoor fan and the outdoor fan.
Step 203: and determining the running state of the air conditioner according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device.
In one example, the preset intervals corresponding to the devices and the corresponding air conditioner operation states are shown in table 4:
TABLE 4
Based on table 4, when the power consumption ratio of the device is outside the preset interval, the operating state of the air conditioner can be accurately known, and targeted regulation and control can be performed.
Compared with the first embodiment, the embodiment is particularly applied to the air conditioner comprising a refrigeration cycle system and a ventilation system, the power data is read by enabling the air conditioner controller to be directly communicated with the frequency converter of the compressor, the frequency converter of the outdoor fan and the controller of the indoor fan, the power consumption of the whole air conditioner is obtained through calculation, an accurate air conditioner power consumption value can be provided for the PUE calculation of the data center under the condition that the electric quantity collecting equipment is not increased, and the hardware cost of the air conditioner is reduced.
A third embodiment of the present invention relates to an air conditioner monitoring method. The third embodiment is the same as the first embodiment except that: the step of obtaining the power consumption of at least two devices of the air conditioner in the preset period in the embodiment is specifically obtaining the power consumption of a compressor, an indoor fan, an outdoor fan and a humidifier (and/or an auxiliary electric heater) of the air conditioner in the preset period; before the step of determining the operating state of the air conditioner according to the position relationship between the power consumption ratio of each device and the preset interval corresponding to each device, the method further comprises the step of determining the preset interval corresponding to each device according to the equipment type of the device with the acquired power consumption.
As shown in fig. 5, the air conditioner monitoring method in the present embodiment specifically includes the following steps:
step 301: acquiring the power consumption of a compressor, an indoor fan, an outdoor fan and a humidifier (and/or an auxiliary electric heater) of an air conditioner in a preset period;
in the present embodiment, the compressor, the indoor fan, and the outdoor fan may be obtained by the method used in the second embodiment, or a method other than the above method may be used. For the acquisition of the power consumption of the humidifier or the auxiliary electric heater, the power consumption of the humidifier or the auxiliary electric heater can be obtained by enabling the air conditioner to be communicated with the humidifier or the auxiliary electric heater, reading relevant parameters and calculating.
Preferably, only the devices in the working state are acquired, and the devices in the rest state are not acquired. For example, when a humidifier or an auxiliary electric heater of an air conditioner does not operate, only power consumption of the compressor, the indoor fan, and the outdoor fan is acquired.
In a specific application scenario, the power consumption of the humidifier can be calculated by any one of the following methods:
the method comprises the following steps: and obtaining the current of the humidifier, directly calculating the power of the humidifier according to the current of the humidifier, and calculating the power consumption of the humidifier in a preset period according to the power of the humidifier. The method can directly calculate the power consumption of the humidifier without arranging a sensor, and has low hardware cost.
The second method comprises the following steps:
step c 1: acquiring the water level and the water temperature in a preset air conditioner water storage tank;
step c 2: determining the steam generation amount corresponding to the current water level and the water temperature according to a preset relation;
step c 2: the electrical power of the humidifier is calculated according to the following formula:
P humidifier ＝W×(i q -CT)
In the formula, the P Humidifier Power of humidifier, W steam generation amount, i q Is the enthalpy constant of steam, C is the specific heat constant of water, and T is the temperature of water.
Step c 4: and calculating the power consumption of the humidifier in a preset period according to the electric power of the humidifier.
Compared with the prior art that the steam generation amount is calculated by adopting a complex sensor, the electric power of the humidifier is further calculated, the method does not need to arrange the complex sensor, the hardware cost is low, and meanwhile, the accuracy of the calculation result is high.
Step 302: calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner in a preset period;
this step is substantially the same as step 102 in the first embodiment, and is not repeated here.
Step 303: determining a preset interval corresponding to each device according to the equipment type of the device with the acquired power consumption;
specifically, according to the specific situation of the device type of the device which has acquired the power consumption, the preset interval corresponding to each device is determined. For example, if the devices which have acquired the power consumption are a compressor, an indoor fan and an outdoor fan, determining a first set of preset interval scheme, where preset intervals corresponding to the compressor, the indoor fan and the outdoor fan are M1, M2 and M3, respectively; and if the devices which have acquired the power consumption are a compressor, an indoor fan, an outdoor fan and a humidifier, determining a second set of preset interval scheme, wherein the preset intervals of the compressor, the indoor fan, the outdoor fan and the humidifier are respectively N1, N2, N3 and N4.
In one specific example, the relationship between the device type of the device and the preset interval is shown in table 5.
TABLE 5
Step 304: and determining the running state of the air conditioner according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device.
In one example, the air-conditioning operation state corresponding to the positional relationship between the power consumption ratio of each device and the preset section is shown in table 6:
TABLE 5
Compared with the first embodiment, the embodiment provides a specific air conditioner monitoring method, and for an air conditioner comprising a compressor, an indoor fan, an outdoor fan and a humidifier (and/or an auxiliary electric heater), a preset interval corresponding to each device can be determined according to the equipment type combination of the device, and the running state of the air conditioner can be further determined. The embodiment has strong compatibility and is suitable for various air conditioners.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of the patent to add insignificant modifications to the algorithms or processes or to introduce insignificant design changes to the core design without changing the algorithms or processes.
A fourth embodiment of the present invention relates to an air conditioner monitoring device, as shown in fig. 6, including:
an obtaining module 401, configured to obtain power consumption of at least two devices of an air conditioner in a preset period;
a calculating module 402, configured to calculate a power consumption ratio between power consumption of each device and power consumption of the whole air conditioner in a preset period;
the determining module 403 is configured to determine an operating state of the air conditioner according to a position relationship between a power consumption ratio of each device and a preset interval corresponding to each device.
In a specific example, the obtaining module 401 is specifically configured to: and at least acquiring the power consumption of a compressor, an indoor fan and an outdoor fan of the air conditioner in a preset period.
In a specific example, the obtaining module 401 is specifically configured to: acquiring the power consumption of a compressor or an outdoor fan of an air conditioner in a preset period by the following method: acquiring the rotating speed of a first device and the output power of a frequency converter of the first device, wherein the first device is a compressor or an outdoor fan of the air conditioner; calculating the power of the first device according to a preset first device power function, and then calculating the power consumption of the first device in a preset period according to the power of the first device; wherein the power consuming device power function is:
P first device ＝α×P Frequency converter
The P is First device Is the power of the first device, alpha is the power coefficient corresponding to the rotating speed of the first device, and P Frequency converter And outputting power for the frequency converter of the first device.
In a specific example, the obtaining module 401 is specifically configured to: the method comprises the following steps of obtaining the power consumption of an indoor fan of the air conditioner in a preset period by the following method: acquiring the rotating speed of the indoor fan; calculating the power of the indoor fan according to a preset power consumption function of the indoor fan, and then calculating the power consumption of the indoor fan in a preset period according to the power of the indoor fan; wherein, the power consumption function of the indoor fan is as follows:
P indoor fan ＝C 1 ×f 2 +C 2 ×f+C 3
The P is Indoor fan Is the power of the indoor fan, C 1 、C 2 And C 3 The first constant, the second constant and the third constant are respectively corresponding to the rotating speed of the indoor fan, and f is the rotating speed of the indoor fan.
In a specific example, the obtaining module 401 is further configured to: and acquiring the power consumption of the humidifier and/or the auxiliary electric heater of the air conditioner in a preset period.
In a specific example, the calculation module 402 is further configured to: and accumulating the acquired power consumption of each device, and taking the accumulated sum as the whole machine power consumption of the air conditioner.
In a specific example, the determining module 403 is further configured to: and determining a preset interval corresponding to each device according to the equipment type of the device with the acquired power consumption.
It should be understood that this embodiment is an example of an apparatus corresponding to the foregoing embodiment, and that this embodiment can be implemented in cooperation with the foregoing embodiment. The related technical details mentioned in the foregoing embodiments are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the foregoing embodiments.
It should be noted that each module referred to in this embodiment is a logical module, and in practical applications, one logical unit may be one physical unit, may be a part of one physical unit, and may be implemented by a combination of multiple physical units. In addition, in order to highlight the innovative part of the present invention, elements that are not so closely related to solving the technical problems proposed by the present invention are not introduced in the present embodiment, but this does not indicate that other elements are not present in the present embodiment.
A fifth embodiment of the present invention relates to an air conditioner controller, as shown in fig. 7, including at least one processor 501; and a memory 502 communicatively coupled to the at least one processor 501; the memory 502 stores instructions executable by the at least one processor 501, and the instructions are executed by the at least one processor 501, so that the at least one processor 501 can execute the air conditioner monitoring method according to any one of the above method embodiments.
The memory 502 and the processor 501 are coupled by a bus, which may include any number of interconnected buses and bridges that couple one or more of the various circuits of the processor 501 and the memory 502 together. The bus may also connect various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface provides an interface between the bus and the transceiver. The transceiver may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor 501 is transmitted over a wireless medium via an antenna, which further receives the data and transmits the data to the processor 501.
The processor 501 is responsible for managing the bus and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And memory 502 may be used to store data used by processor 501 in performing operations.
The embodiment of the invention also provides a computer-readable storage medium, which stores a computer program, and the computer program is executed by a processor to implement the air conditioner monitoring method in any one of the above method embodiments.
That is, as can be understood by those skilled in the art, all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (7)
1. An air conditioner monitoring method is characterized by comprising the following steps:
acquiring the power consumption of at least two devices of the air conditioner in a preset period;
calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner in a preset period;
determining the running state of the air conditioner according to the power consumption ratio of each device and the position relation of a preset interval corresponding to each device;
wherein, the acquiring power consumption of at least two devices of the air conditioner in the preset period comprises:
obtaining at least one power parameter of each of at least two devices;
calculating the power consumption of each device in a preset period according to the power parameter of each device;
wherein the at least two devices include an indoor fan, a compressor, and an outdoor fan;
the obtaining at least one power parameter of each of at least two devices includes:
acquiring the rotating speed of the indoor fan;
the calculating the power consumption of each device in a preset period according to the power parameter of each device comprises:
calculating the power of the indoor fan according to a preset power consumption function of the indoor fan, and then calculating the power consumption of the indoor fan in a preset period according to the power of the indoor fan;
the power consumption function of the indoor fan is as follows:
P indoor fan ＝C 1 ×f 2 +C 2 ×f+C 3
The P is Indoor fan Is the power of the indoor fan, C 1 、C 2 And C 3 A first constant, a second constant and a third constant corresponding to the rotating speed of the indoor fan respectively, wherein f is the rotating speed of the indoor fan;
the obtaining at least one power parameter of each of the at least two devices further includes:
acquiring the rotating speed of a first device and the output power of a frequency converter of the first device, wherein the first device is a compressor or an outdoor fan of the air conditioner;
the calculating the power consumption of each device in a preset period according to the power parameter of each device further comprises:
calculating the power of the first device according to a preset first device power function, and then calculating the power consumption of the first device in a preset period according to the power of the first device;
wherein the first device power function is:
P first device ＝α×P Frequency converter
Said P is First device Is the power of the first device, alpha is the power coefficient corresponding to the rotating speed of the first device, and P Frequency converter Outputting power for the frequency converter of the first device;
the determining the operation state of the air conditioner according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device comprises the following steps:
if the power consumption ratio of the compressor is too large relative to a first preset interval, determining that the running state of the air conditioner is that the outdoor unit or the indoor unit is overheated;
if the power consumption ratio of the compressor is too small relative to a first preset interval, determining that the running state of the air conditioner is unreasonable in air conditioner load configuration;
if the power consumption of the indoor fan is larger than a second preset interval, determining that the running state of the air conditioner is unreasonable air conditioner load configuration;
if the power consumption of the indoor fan is smaller than a second preset interval, determining that the running state of the air conditioner is that the indoor unit is overheated;
if the power consumption ratio of the outdoor fan is too large relative to a third preset interval, determining that the running state of the air conditioner is the overheating of the outdoor unit;
and if the power consumption of the outdoor fan is smaller than the power consumption of the outdoor fan relative to a third preset interval, determining that the running state of the air conditioner is unreasonable in air conditioner load configuration.
2. The air conditioner monitoring method according to claim 1, wherein said obtaining power consumption of at least two devices of the air conditioner in a preset period further comprises:
acquiring the power consumption of a humidifier and an auxiliary electric heater of an air conditioner in a preset period;
the determining the operation state of the air conditioner according to the power consumption ratio of each device and the position relationship of the preset interval corresponding to each device further comprises:
if the power consumption ratio of the humidifier is too large relative to a fourth preset interval, determining that the running state of the air conditioner is heat leakage of the machine room;
and if the power consumption of the auxiliary electric heater is larger than a fifth preset interval, determining that the running state of the air conditioner is under-load or over-large air conditioner configuration or heat leakage of a machine room.
3. The air conditioner monitoring method according to claim 1, wherein before calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner in the preset period, the method further comprises:
and accumulating the acquired power consumption of each device, and taking the accumulated sum as the whole power consumption of the air conditioner.
4. The air conditioner monitoring method according to claim 1 or 2, wherein before determining the operation state of the air conditioner according to the power consumption ratio of each device and the position relationship of the preset interval corresponding to each device, the method further comprises:
and determining a preset interval corresponding to each device according to the equipment type of the device with the acquired power consumption.
5. An air conditioner monitoring device, comprising:
the acquisition module is used for acquiring the power consumption of at least two devices of the air conditioner in a preset period;
the calculating module is used for calculating the power consumption ratio of the power consumption of each device to the power consumption of the whole air conditioner in a preset period;
the determining module is used for determining the running state of the air conditioner according to the power consumption ratio of each device and the position relation of the preset interval corresponding to each device;
wherein the obtaining module is specifically configured to: obtaining at least one power parameter of each of at least two devices;
the calculation module is specifically configured to: calculating the power consumption of each device in a preset period according to the power parameter of each device;
wherein the at least two devices include an indoor fan, a compressor, and an outdoor fan;
the acquisition module is specifically configured to: acquiring the rotating speed of the indoor fan;
the calculation module is specifically configured to: calculating the power of the indoor fan according to a preset power consumption function of the indoor fan, and then calculating the power consumption of the indoor fan in a preset period according to the power of the indoor fan;
wherein, the power consumption function of the indoor fan is as follows:
P indoor fan ＝C 1 ×f 2 +C 2 ×f+C 3
The P is Indoor fan Is the power of the indoor fan, C 1 、C 2 And C 3 A first constant, a second constant and a third constant corresponding to the rotating speed of the indoor fan respectively, wherein f is the rotating speed of the indoor fan;
the obtaining module is specifically further configured to:
acquiring the rotating speed of a first device and the output power of a frequency converter of the first device, wherein the first device is a compressor or an outdoor fan of the air conditioner;
the calculation module is specifically further configured to:
calculating the power of the first device according to a preset first device power function, and then calculating the power consumption of the first device in a preset period according to the power of the first device;
wherein the first device power function is:
P first device ＝α×P Frequency converter
The P is First device Is the power of the first device, alpha is the power coefficient corresponding to the rotating speed of the first device, and P Frequency converter Outputting power for the frequency converter of the first device;
the determining module is specifically configured to:
if the power consumption ratio of the compressor is too large relative to a first preset interval, determining that the running state of the air conditioner is that the outdoor unit or the indoor unit is overheated;
if the power consumption ratio of the compressor is too small relative to a first preset interval, determining that the running state of the air conditioner is unreasonable in air conditioner load configuration;
if the power consumption of the indoor fan is larger than a second preset interval, determining that the running state of the air conditioner is unreasonable air conditioner load configuration;
if the power consumption of the indoor fan is smaller than a second preset interval, determining that the running state of the air conditioner is that the indoor unit is overheated;
if the power consumption ratio of the outdoor fan is too large relative to a third preset interval, determining that the running state of the air conditioner is the overheating of the outdoor unit;
and if the power consumption of the outdoor fan is smaller than the power consumption of the outdoor fan relative to a third preset interval, determining that the running state of the air conditioner is unreasonable in air conditioner load configuration.
6. An air conditioner controller, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the air conditioner monitoring method of any one of claims 1-4.
7. A computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the air conditioner monitoring method according to any one of claims 1 to 4.
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