CN113009406A - Electric quantity measurement correction method and device and air conditioning system - Google Patents
Electric quantity measurement correction method and device and air conditioning system Download PDFInfo
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- CN113009406A CN113009406A CN202110217498.7A CN202110217498A CN113009406A CN 113009406 A CN113009406 A CN 113009406A CN 202110217498 A CN202110217498 A CN 202110217498A CN 113009406 A CN113009406 A CN 113009406A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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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
- F24F11/38—Failure diagnosis
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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
- F24F11/62—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
Abstract
The invention discloses an electricity quantity correction method and device and an air conditioning system. The method is applied to an air conditioning system, the air conditioning system comprises at least two loads and at least two electric meters, the electric meters and the loads are arranged in a one-to-one correspondence mode, and the method comprises the following steps: acquiring software metering electric quantity of each load in the air conditioning system, and simultaneously acquiring electric meter metering electric quantity of each load; judging whether the electricity meter is abnormal or not according to the software metering electricity quantity and the electricity meter metering electricity quantity; and if the electricity meter is abnormal, determining the electricity quantity metered by the software as final electricity quantity data. According to the invention, the problem of inaccurate electric quantity calculation caused by the fault of the electric meter can be solved, and the accuracy of electric quantity metering is improved.
Description
Technical Field
The invention relates to the technical field of electronic power, in particular to a method and a device for correcting electric quantity measurement and an air conditioning system.
Background
The large central air conditioner is a distributed system and is divided into an external machine and a plurality of internal machines. The household charging system based on the central air conditioner is mainly matched with a professional electric quantity measuring instrument for accurate electric quantity measurement, the electric quantity of the air conditioner can be measured through an electric meter, then, the household charging software is matched with the professional household charging software, and the electric quantity can be displayed in real time through a display terminal. However, the distributed system has more equipment and more installed electric meters, so that the abnormal electric meter measurement or the fault of the electric meter can inevitably occur after long-time work, and some faults are not easy to find, so that the electric quantity measurement is inaccurate, and the loss is caused to users.
Aiming at the problem that electric quantity calculation is inaccurate after an ammeter breaks down in the prior art, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides an electric quantity metering correction method, an electric quantity metering correction device and an air conditioning system, and aims to solve the problem that electric quantity calculation is inaccurate after an electric meter fails in the prior art.
In order to solve the technical problem, the invention provides an electricity meter quantity correction method, which is applied to an air conditioning system, wherein the air conditioning system comprises at least two loads and at least two electricity meters, the electricity meters and the loads are arranged in a one-to-one correspondence manner, and the method comprises the following steps:
acquiring software metering electric quantity of each load in the air conditioning system, and acquiring electric meter metering electric quantity of each load;
judging whether the ammeter corresponding to the load is abnormal or not according to the software metering electric quantity and the ammeter metering electric quantity;
and if the electricity meter is abnormal, determining that the electricity quantity metered by the software is the final electricity quantity.
Further, judging whether the ammeter corresponding to the load is abnormal according to the software metering electric quantity and the ammeter metering electric quantity includes:
calculating an error between the software metering electric quantity and the electric meter metering electric quantity and judging whether the error is larger than a preset threshold value or not;
if yes, judging that the ammeter is abnormal;
and if not, judging that the electric meter is normal.
Further, after the electricity meter is judged to be abnormal, the method further comprises the following steps:
and sending the abnormal information of the electric meter to remind a user to replace the electric meter.
Further, after sending abnormal information of the electric meter to remind a user to replace the electric meter, the method further comprises the following steps:
reading an identification code of an ammeter at an abnormal ammeter position to judge whether the ammeter is a newly accessed ammeter of a system;
and if so, taking the software metering electric quantity of the load corresponding to the electric meter as the metering electric quantity of the electric meter.
Further, after the electricity meter is judged to be normal, the method further comprises the following steps:
and taking the electric meter metering electric quantity of the load corresponding to the electric meter as the software metering electric quantity of the load.
The present invention also provides an electricity amount measurement correction device including:
the acquisition module is used for acquiring the software metering electric quantity of each load in the air conditioning system and simultaneously acquiring the electric meter metering electric quantity of each load;
the judging module is used for judging whether the ammeter corresponding to the load is abnormal or not according to the software metering electric quantity and the ammeter metering electric quantity;
and the determining module is used for determining the electric quantity measured by the software to be the final electric quantity when the electric meter is abnormal.
Further, the judging module comprises:
the calculating unit is used for calculating the error between the software metering electric quantity and the electric meter metering electric quantity and judging whether the error is larger than a preset threshold value or not;
the first judging unit is used for judging that the ammeter is abnormal when the error is larger than the preset threshold value;
and the second judging unit is used for judging that the electric meter is normal when the error is less than or equal to the preset threshold value.
Further, the apparatus further comprises:
and the information sending module is used for sending the abnormal information of the electric meter after judging that the electric meter is abnormal so as to remind a user to replace the electric meter.
The invention also provides an air conditioning system which comprises at least two loads, at least two electric meters and the electric quantity metering correction device, wherein the electric meters are arranged in one-to-one correspondence with the loads.
The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the above electricity quantity measurement correction method.
By applying the technical scheme of the invention, firstly, the software metering electric quantity of each load in the air conditioning system is obtained, and simultaneously, the electric meter metering electric quantity of each load is obtained; judging whether the electricity meter is abnormal or not according to the software metering electricity quantity and the electricity meter metering electricity quantity; and if the electricity meter is abnormal, determining that the electricity quantity metered by the software is the final electricity quantity data. The problem of inaccurate electric quantity calculation after the ammeter breaks down can be solved, and the accuracy of electric quantity measurement is improved.
Drawings
Fig. 1 is a structural view of an air conditioning system according to an embodiment of the present invention;
fig. 2 is a flow chart of a method of fuel gauge correction according to an embodiment of the present invention;
fig. 3 is a flow chart of a method for fuel gauge correction according to another embodiment of the present invention;
fig. 4 is a structural diagram of an electricity quantity metering correction apparatus according to an embodiment of the present invention;
fig. 5 is a structural diagram of an electric quantity metering correction device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, 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.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in the article or device in which the element is included.
Alternative embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
The present embodiment provides an electricity quantity correction method, which is applied to an air conditioning system, fig. 1 is a structural diagram of the air conditioning system according to the embodiment of the present invention, and as shown in fig. 1, the air conditioning system includes at least two loads and at least two electricity meters, the electricity meters and the loads are arranged in a one-to-one correspondence manner, in the present embodiment, the loads include an external machine and n internal machines 1 to n, wherein the external machine is connected with an external machine electricity meter, the internal machines 1 to n are respectively connected with an internal machine electricity meter in a corresponding manner for measuring an electricity quantity used by each internal machine, and each internal machine is correspondingly connected with a line controller for displaying the electricity quantities X1 to Xn of the internal machines 1. The air conditioning system can also comprise remote equipment, and the electric quantity is measured by the electric meters which are transmitted back to the electric meters through the remote equipment.
Fig. 2 is a flowchart of a method for correcting the electric quantity metering according to an embodiment of the present invention, as shown in fig. 2, the method includes:
s101, acquiring the software metering electric quantity of each load in the air conditioning system, and acquiring the electric meter metering electric quantity of each load.
In specific implementation, after the system is powered on, a software electric quantity metering mode is started, electric quantity calculation is carried out on the loads through software in each load, software metering electric quantity is obtained, and meanwhile, electric meter metering electric quantity of each load is obtained through reading data of each electric meter. If the air conditioning system comprises a remote device, the electricity meter of each electricity meter is transmitted back through the remote device to measure the electricity quantity.
And S102, judging whether the ammeter corresponding to the load is abnormal or not according to the software metering electric quantity and the ammeter metering electric quantity of the load.
Because the software metering is calculated by an algorithm according to the running state parameters of each load, no additional detection device or circuit is needed, the reliability is higher, and whether the ammeter is abnormal or not can be judged by the error between the software metering electric quantity and the ammeter metering electric quantity. If the ammeter does not break down, the value of the software metering electric quantity and the value of the software metering electric quantity are close to each other and do not differ too much, but if the ammeter breaks down, the error between the software metering electric quantity and the software metering electric quantity is large, and therefore the error between the software metering electric quantity and the software metering electric quantity of the ammeter can reflect whether the ammeter is abnormal or not.
S103, if the ammeter is abnormal, determining that the electric quantity metered by the software is the final electric quantity. And if the electricity meter is not abnormal, determining the electricity quantity metered by the electricity meter as the final electricity quantity.
The electricity metering correction method of the embodiment includes the steps of firstly obtaining software metering electricity of each load in an air conditioning system, and simultaneously obtaining electricity metering electricity of each load; judging whether the electricity meter is abnormal or not according to the software metering electricity quantity and the electricity meter metering electricity quantity; and if the electricity meter is abnormal, determining that the electricity quantity metered by the software is the final electricity quantity data. The problem of inaccurate electric quantity calculation after the ammeter breaks down can be solved, and the accuracy of electric quantity measurement is improved.
Example 2
In this embodiment, another method for correcting electric quantity metering is provided, in order to accurately determine whether an abnormality occurs in an electric meter, in step S102, the method includes: calculating the error between the software metering electric quantity and the electric meter metering electric quantity and judging whether the error is larger than a preset threshold value or not; if so, indicating that the error between the software metering electric quantity and the electric meter metering electric quantity is large, and judging that the electric meter is abnormal; if not, the error between the surface software metering electric quantity and the electric meter metering electric quantity is small, and the electric meter is judged to be normal. The preset threshold value may be determined through experiments or set according to an empirical value.
In order to timely replace the electric meter after the electric meter is abnormal and to timely restore the system to be normal, after the electric meter is judged to be abnormal, the method further comprises the following steps: and sending the abnormal information of the electric meter to remind a user to replace the electric meter.
After receiving ammeter abnormal information, the staff probably changes the ammeter, if changed the ammeter, then need make the ammeter after the replacement and the software measurement electric quantity of the load of being connected synchronous, consequently, send ammeter abnormal information, remind the user after the ammeter is changed, above-mentioned method still includes: reading the identification code of the ammeter at the position of the abnormal ammeter to judge whether the ammeter is the ammeter newly accessed to the system; and if so, taking the software metering electric quantity of the load corresponding to the electric meter as the metering electric quantity of the electric meter. By the aid of the scheme, automatic synchronization of electric quantity data is achieved, manual synchronization steps are omitted, and time is saved.
Because the professional electric meter has higher metering precision, under the normal condition of the electric meter, the metering electric quantity of the software needs to be periodically corrected so as to improve the metering accuracy. Therefore, after the electricity meter is judged to be normal, the method further comprises the following steps: and taking the electric quantity measured by the electric meter of the load as the software-measured electric quantity of the load.
The present invention is described in detail below with reference to a specific correction flow, and fig. 3 is a flow chart of a fuel gauge correction method according to another embodiment of the present invention, as shown in fig. 3, the method includes:
and S1, electrifying the system, reading the data of the electric quantity measured by all the electric meters, and sending the data to the outdoor unit.
And S2, the external machine receives the electric quantity data measured by the electric meter and updates the electric quantity data measured by the software.
The operation aims to correct the data of the electric quantity measured by the software and reduce the measurement error.
And S3, starting a software electric quantity metering mode and calculating the electric quantity of the load.
Wherein the software for calculating the load is arranged inside the load.
S4, after the preset duration is measured, comparing the software measured electric quantity data obtained within the preset duration with the electric meter measured electric quantity data, and determining whether the error is within the nominal error range (i.e. smaller than the preset threshold in the above embodiment), if so, executing step S5, and if not, executing step S6.
And S5, judging that the electric meter is normal, and updating the software metering electric quantity data to be the same as the electric meter metering electric quantity data.
Because the professional electric meter has higher metering precision, under the normal condition of the electric meter, the software metering electric quantity data needs to be periodically corrected so as to improve the metering accuracy.
And S6, judging that the ammeter is abnormal, switching to a software metering mode at the moment, and determining the software metering electric quantity data as final electric quantity data.
The software metering is calculated through the running state parameters of each load through an algorithm without adding an additional detection device or circuit, so that the reliability is higher, and whether the ammeter is abnormal or not can be judged through the error between the software metering electric quantity and the ammeter metering electric quantity.
And S7, after or at the same time of switching to the software metering mode, sending abnormal information of the electric meter, and timely reminding a user to replace the electric meter.
Can send ammeter abnormal information to display terminal equipment, for example the manual operator in step through outer machine, in time remind the user, change the ammeter, the unit continues normal operating this moment.
And S8, after the user electric meter is expected to be replaced, the load corresponding to the replaced electric meter performs ID recognition on the electric meter, if the electric meter is recognized as a new electric meter, an electric quantity synchronization command is sent to the electric meter, the electric quantity metered by the electric meter is automatically updated to be the current software metering electric quantity, and then the step S2 is returned.
According to the method, a mode of combining software electricity metering and electricity metering of the electricity meter is adopted, the metering data can be corrected in time, when the electricity meter metering is abnormal, the metering quantity can be corrected through automatic switching, the alarm prompt is given, and the metering data can be automatically updated when the electricity meter is replaced.
Based on the above scheme, the present embodiment can bring the following beneficial effects: 1. the method can quickly and efficiently diagnose the abnormity of the ammeter, timely remind a user and reduce the loss caused by the abnormal charging. 2. The software metering data is periodically updated, the metering precision can be improved, when the metering of the ammeter is abnormal, the metering mode of the unit is automatically switched, the use of a user is not influenced, and the use reliability is improved. 3. When the ammeter is replaced, the automatic charging synchronization can be realized by electric quantity metering without manual setting, the after-sale maintenance efficiency is improved, and the error rate caused by manual setting is reduced.
Example 3
The present embodiment provides an electricity quantity correction apparatus, fig. 4 is a structural diagram of an electricity quantity correction apparatus according to an embodiment of the present invention, as shown in fig. 4, the apparatus includes:
the acquiring module 10 is configured to acquire the software-metered electric quantity of each load in the air conditioning system, and acquire the electric-meter-metered electric quantity of each load at the same time.
In specific implementation, after the system is powered on, a software electric quantity metering mode is started, electric quantity calculation is carried out on the loads through software in each load, the software metering electric quantity is obtained through an obtaining module, and meanwhile, electric meter metering of each load is obtained through reading data of each electric meter.
And the judging module 20 is configured to judge whether the electric meter corresponding to the load is abnormal according to the software-measured electric quantity of the load and the electric meter-measured electric quantity.
The software metering is calculated through the operation state parameters of each load through an algorithm without adding an additional detection device or circuit, so that the reliability is higher, and whether the ammeter is abnormal or not can be judged through the error between the software metering electric quantity and the ammeter metering electric quantity. If the ammeter does not break down, the value of software measurement electric quantity and ammeter measurement electric quantity can be more close, can not differ too much, however, if the ammeter breaks down, the error of ammeter measurement electric quantity and software measurement electric quantity can be great, consequently, can pass through judging module 20, judge whether the ammeter is unusual according to the error size of ammeter measurement electric quantity and software measurement electric quantity.
And the determining module 30 is used for determining the electric quantity measured by the software as the final electric quantity when the electric meter is abnormal.
The electricity meter quantity correction device of the embodiment acquires the software measured electricity quantity of each load in the air conditioning system through the acquisition module 10, and simultaneously acquires the electricity meter measured electricity quantity of each load; judging whether the electricity meter is abnormal or not through the judging module 20 according to the software metering electricity quantity and the electricity meter metering electricity quantity; through the determining module 30, when the electricity meter is abnormal, the electricity quantity measured by the software is determined to be the final electricity quantity data. The problem of inaccurate electric quantity calculation after the ammeter breaks down can be solved, and the accuracy of electric quantity measurement is improved.
Example 4
In this embodiment, another electric quantity metering correction device is provided, and fig. 5 is a structural diagram of an electric quantity metering correction device according to another embodiment of the present invention, in order to accurately determine whether an electricity meter is abnormal, as shown in fig. 5, the determining module 20 includes: the calculating unit 201 is used for calculating the error between the software metering electric quantity and the electric meter metering electric quantity and judging whether the error is larger than a preset threshold value or not; the first judging unit 202 is used for judging that the ammeter is abnormal when the error is larger than a preset threshold value; a second determining unit 203, configured to determine that the electricity meter is normal when the error is smaller than or equal to the preset threshold. The preset threshold value may be determined through experiments or set according to an empirical value.
In order to timely replace the electricity meter after the abnormality occurs, and to timely restore the system to normal, as shown in fig. 5, the apparatus further includes: and the information sending module 40 is used for sending the abnormal information of the electric meter after judging that the electric meter is abnormal so as to remind a user to replace the electric meter.
After the staff received ammeter abnormal information, probably changed the ammeter, if changed the ammeter, then need make the ammeter after the replacement and the software measurement electric quantity synchronization of the load that is connected to it, consequently, above-mentioned device still includes: a first update module 50, comprising: the reading unit 501 is configured to read an identification code of an electric meter at an abnormal electric meter position after sending the abnormal information of the electric meter and reminding a user to replace the electric meter, so as to determine whether the electric meter at the position is an electric meter newly accessed to the system; the data updating unit 502 is configured to, when the electric meter at the abnormal electric meter position is an electric meter newly connected to the system, use the software-metered electric quantity of the load corresponding to the electric meter as the metered electric quantity of the electric meter.
Because the professional electric meter has higher metering precision, under the normal condition of the electric meter, the metering electric quantity of the software needs to be periodically corrected so as to improve the metering accuracy. Accordingly, the above apparatus further comprises: and the second updating module 60 is configured to, after the electric meter is determined to be normal, use the electric meter metering electric quantity of the load as the software metering electric quantity of the load.
Example 5
The embodiment provides an air conditioning system, including at least two loads and at least two ammeters, wherein, the ammeters set up with the load one-to-one, still include the electric quantity measurement correcting unit in above-mentioned embodiment for solve the problem that leads to the electric quantity to calculate inaccurately after the ammeter breaks down, improve the accuracy of electric quantity measurement.
Example 6
The present embodiment provides a computer-readable storage medium on which a computer program is stored, which when executed by a processor implements the electricity quantity metering correction method in the above-described embodiments.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an electric quantity measurement correction method, is applied to air conditioning system, air conditioning system includes two at least loads and two at least ammeters, the ammeter with the load one-to-one sets up, its characterized in that, the method includes:
acquiring software metering electric quantity of each load in the air conditioning system, and acquiring electric meter metering electric quantity of each load;
judging whether the ammeter corresponding to the load is abnormal or not according to the software metering electric quantity and the ammeter metering electric quantity;
and if the electricity meter is abnormal, determining that the electricity quantity metered by the software is the final electricity quantity.
2. The method of claim 1, wherein determining whether the electricity meter corresponding to the load is abnormal according to the software metering electricity quantity and the electricity meter metering electricity quantity comprises:
calculating an error between the software metering electric quantity and the electric meter metering electric quantity, and judging whether the error is larger than a preset threshold value or not;
if yes, judging that the ammeter is abnormal;
and if not, judging that the electric meter is normal.
3. The method of claim 2, wherein upon determining that the electricity meter is abnormal, the method further comprises:
and sending the abnormal information of the electric meter to remind a user to replace the electric meter.
4. The method of claim 3, wherein after sending an abnormal meter message to remind the user to replace the meter, the method further comprises:
reading an identification code of an ammeter at an abnormal ammeter position to judge whether the ammeter is a newly accessed ammeter of a system;
and if so, taking the software metering electric quantity of the load corresponding to the electric meter as the metering electric quantity of the electric meter.
5. The method of claim 2, wherein after determining that the electricity meter is normal, the method further comprises:
and taking the electric meter metering electric quantity of the load corresponding to the electric meter as the software metering electric quantity of the load.
6. An electricity quantity correction apparatus, characterized in that the apparatus comprises:
the acquisition module is used for acquiring the software metering electric quantity of each load in the air conditioning system and simultaneously acquiring the electric meter metering electric quantity of each load;
the judging module is used for judging whether the ammeter corresponding to the load is abnormal or not according to the software metering electric quantity and the ammeter metering electric quantity;
and the determining module is used for determining the electric quantity measured by the software to be the final electric quantity when the electric meter is abnormal.
7. The apparatus of claim 6, wherein the determining module comprises:
the calculating unit is used for calculating the error between the software metering electric quantity and the electric meter metering electric quantity and judging whether the error is larger than a preset threshold value or not;
the first judging unit is used for judging that the ammeter is abnormal when the error is larger than the preset threshold value;
and the second judging unit is used for judging that the electric meter is normal when the error is less than or equal to the preset threshold value.
8. The apparatus of claim 7, further comprising:
and the information sending module is used for sending the abnormal information of the electric meter after judging that the electric meter is abnormal so as to remind a user to replace the electric meter.
9. An air conditioning system comprising at least two loads and at least two electricity meters provided in one-to-one correspondence with the loads, and an electricity meter amount correction device according to any one of claims 6 to 8.
10. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the method according to any one of claims 1 to 5.
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| CN202110217498.7A CN113009406A (en) | 2021-02-26 | 2021-02-26 | Electric quantity measurement correction method and device and air conditioning system |
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| CN202110217498.7A CN113009406A (en) | 2021-02-26 | 2021-02-26 | Electric quantity measurement correction method and device and air conditioning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655272A (en) * | 2021-08-24 | 2021-11-16 | 浙江华消科技有限公司 | Electric quantity value correction method and device, storage medium and electronic equipment |
| CN113837324A (en) * | 2021-11-25 | 2021-12-24 | 四川瑞康智慧能源有限公司 | Electric quantity data monitoring method and system, storage medium and electronic equipment |
| CN113883682A (en) * | 2021-09-28 | 2022-01-04 | 青岛海尔中央空调有限公司 | Air conditioner charging method and device and computer readable storage medium |
| CN114089260A (en) * | 2021-11-15 | 2022-02-25 | 珠海格力电器股份有限公司 | Electric quantity measurement correction method and device and micro-grid system |
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| CN113837324A (en) * | 2021-11-25 | 2021-12-24 | 四川瑞康智慧能源有限公司 | Electric quantity data monitoring method and system, storage medium and electronic equipment |
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