CN113703689B - Data storage method and device for intelligent electric meter, intelligent electric meter and storage medium - Google Patents
Data storage method and device for intelligent electric meter, intelligent electric meter and storage medium Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0608—Saving storage space on storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0631—Configuration or reconfiguration of storage systems by allocating resources to storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0653—Monitoring storage devices or systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y10/00—Economic sectors
- G16Y10/35—Utilities, e.g. electricity, gas or water
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y20/00—Information sensed or collected by the things
- G16Y20/30—Information sensed or collected by the things relating to resources, e.g. consumed power
Abstract
The invention discloses a data storage method of an intelligent ammeter, which is used for the intelligent ammeter and comprises the following steps: acquiring an electric energy meter display parameter of the intelligent electric meter and a first data volume of the electric energy meter display parameter based on the received acquisition instruction, and acquiring a first residual value of an idle storage space of a first type of storage of target Internet of things equipment in the target Internet of things; screening out first equipment from the target Internet of things equipment by using the first residual value and the first data volume; acquiring first equipment information of first equipment; and sending the electric energy meter display parameters to the first equipment based on the first equipment information so that the first equipment stores the electric energy meter display parameters in a first type memory of the first equipment. The invention also discloses a data storage device of the intelligent electric meter, the intelligent electric meter and a computer readable storage medium. By adopting the method, the display parameters of the electric energy meter are stored in the first type of memory of the first equipment, so that the storage capacity of the intelligent electric meter is greatly expanded.
Description
Technical Field
The invention relates to the technical field of intelligent electric meters, in particular to a data storage method and device of an intelligent electric meter, the intelligent electric meter and a computer readable storage medium.
Background
At present, the internet of things is more and more popular, the intelligent electricity meter industry causes huge development, various challenges appear in the intelligent electricity meter of the internet of things, and data such as electric energy meter display parameters and an electricity meter special parameter list of the intelligent electricity meter are hundreds of times of data expansion.
However, the storage capacity of the conventional smart meter is insufficient, so that the data management of the smart meter is difficult.
Disclosure of Invention
The invention mainly aims to provide a data storage method and device of an intelligent electric meter, the intelligent electric meter and a computer readable storage medium, and aims to solve the technical problem that data management of the intelligent electric meter is difficult due to insufficient storage capacity of the intelligent electric meter in the prior art.
In order to achieve the above object, the present invention provides a data storage method for a smart meter, which is used for the smart meter, and the method includes the following steps:
acquiring an electric energy meter display parameter of the intelligent electric meter and a first data volume of the electric energy meter display parameter based on a received acquisition instruction, and acquiring a first residual value of an idle storage space of a first type of storage of target Internet of things equipment in a target Internet of things;
screening out first equipment from the target Internet of things equipment by using the first residual value and the first data volume;
acquiring first equipment information of the first equipment;
and sending the electric energy meter display parameters to the first equipment based on the first equipment information so as to enable the first equipment to store the electric energy meter display parameters in a first type memory of the first equipment.
Optionally, the method further includes:
acquiring the electric energy meter specific parameter of the intelligent electric meter and a second data volume of the electric energy meter specific parameter based on the received acquisition instruction, and acquiring a second residual value of an idle storage space of a second type of storage of target Internet of things equipment in the target Internet of things;
screening out second equipment from the target Internet of things equipment by using the second residual value and the second data volume;
acquiring second equipment information of the second equipment;
and sending the electric energy meter specific parameters to the second equipment based on the second equipment information so as to enable the second equipment to store the electric energy meter specific parameters in a second type memory of the second equipment.
Optionally, before the step of screening out the first device from the target internet of things devices by using the first remaining value and the first data volume, the method further includes:
acquiring the data transmission quantity of the target Internet of things equipment;
determining third equipment in the target Internet of things equipment by using the data transmission quantity;
determining a first selected residual value corresponding to the third device from the first residual values;
the step of screening out the first device from the target internet of things devices by using the first remaining value and the first data volume includes:
calculating a first difference between the first selected remaining value and the first amount of data;
screening out fourth equipment with the first difference value within a preset interval from the third equipment;
acquiring a first number of minimum data units included in the display parameters of the electric energy meter;
acquiring a second number of minimum storage units included in a first type of storage of the fourth equipment;
and determining the first equipment in the fourth equipment by using the first quantity and the second quantity.
Optionally, the step of determining the first device in the fourth device by using the first number and the second number includes:
calculating a second difference between the second quantity and the first quantity;
determining a second selected remaining value corresponding to the fourth device from the first selected remaining values;
calculating a third difference of the second selected residue value and the second difference;
determining the first device in the fourth device based on the third difference.
Optionally, the first device information includes a bandwidth value, and before the step of sending the electric energy meter display parameter to the first device based on the first device information, the method further includes:
screening a plurality of first devices and a plurality of pieces of first device information corresponding to the plurality of first devices in the first devices according to the bandwidth values;
encoding each piece of equipment information in the plurality of pieces of first equipment information by using at least two encoding algorithms in preset encoding algorithms to obtain a plurality of pieces of encoding equipment information, wherein the encoding equipment information comprises an encoding field and an encoding field length;
performing left shift merging on the plurality of pieces of coding equipment information through a first preset formula to obtain combined coding equipment information, wherein the first preset formula is as follows:
wherein the content of the first and second substances,Trepresents the information of the combined encoding apparatus,m i is shown asiA code field length corresponding to the first device information,encode i is shown asiAn encoded field corresponding to the first device information,nrepresenting a specific number of first devices screened among the first devices according to the bandwidth value,bw l is shown aslThe bandwidth value of the first device screened out from the target Internet of things devices,BW j is shown asjThe bandwidth value of the first device screened out from the target Internet of things devices,Krepresenting a total number of first devices screened in the target internet of things device,
representing a screening weight;
performing value negation on the combined coding information through a second preset formula to create a check bit, and obtaining result coding equipment information, wherein the second preset formula is as follows:
wherein the content of the first and second substances,qindicating the resulting encoding device information corresponding to the combined encoded information,Tthe coded information is combined with the coded information,Crc() A function representing a negation creating check bit;
the step of sending the electric energy meter display parameter to the first device based on the first device information includes:
and sending the electric energy meter display parameters, the combined coding equipment information and the result coding equipment information to the first equipment based on the plurality of pieces of first equipment information, so that the first equipment verifies the combined coding equipment information by using the result coding equipment information, and when the verification is successful, storing the electric energy meter display parameters in a first type memory of the first equipment.
Optionally, after the step of sending the electric energy meter display parameter to the first device based on the first device information, the method further includes:
when a data acquisition request sent by a fifth device in the first devices is received, determining a sixth device in the first devices, wherein the data acquisition request is obtained when the display parameters of the stored electric energy meter are damaged;
acquiring a complete electric energy meter display parameter from a first type memory of the sixth equipment;
and sending the complete electric energy meter display parameters to the fifth equipment based on the equipment information of the fifth equipment, so that the fifth equipment determines repair data in the complete electric energy meter display parameters based on the comparison result of the complete electric energy meter display parameters and the stored electric energy meter display parameters, and performs data repair on the stored electric energy meter display parameters by using the repair data.
Optionally, after the step of sending the electric energy meter display parameter to the first device based on the first device information, the method further includes:
acquiring the network signal intensity of the first equipment and the transmission distance between the first equipment and the intelligent electric meter based on the received display instruction;
determining a seventh device in the first device based on the network signal strength and the transmission distance;
acquiring display parameters of the electric energy meter from the seventh equipment;
and displaying the display parameters of the display electric energy meter.
In addition, in order to achieve the above object, the present invention further provides a data storage device for a smart meter, which is used for the smart meter, and the device includes:
the receiving module is used for acquiring an electric energy meter display parameter of the intelligent electric meter and a first data volume of the electric energy meter display parameter based on the received acquisition instruction, and acquiring a first residual value of an idle storage space of a first type of storage of target Internet of things equipment in a target Internet of things;
the screening module is used for screening out first equipment from the target Internet of things equipment by using the first residual value and the first data volume;
the acquisition module is used for acquiring first equipment information of the first equipment;
and the sending module is used for sending the electric energy meter display parameters to the first equipment based on the first equipment information so as to enable the first equipment to store the electric energy meter display parameters in a first type memory of the first equipment.
In addition, in order to achieve the above object, the present invention further provides a smart meter, including: the method comprises the following steps of storing data of the intelligent electric meter in a memory, storing the data of the intelligent electric meter in the memory, and operating a data storage program of the intelligent electric meter on the processor, wherein the data storage program of the intelligent electric meter realizes the steps of the data storage method of the intelligent electric meter when being executed by the processor.
In addition, in order to achieve the above object, the present invention further provides a computer readable storage medium, on which a data storage program of a smart meter is stored, which when executed by a processor, implements the steps of the data storage method of the smart meter according to any one of the above items.
The technical scheme of the invention provides a data storage method of an intelligent ammeter, which is used for the intelligent ammeter and comprises the following steps: acquiring an electric energy meter display parameter of the intelligent electric meter and a first data volume of the electric energy meter display parameter based on a received acquisition instruction, and acquiring a first residual value of an idle storage space of a first type of storage of target Internet of things equipment in a target Internet of things; screening out first equipment from the target Internet of things equipment by using the first residual value and the first data volume; acquiring first equipment information of the first equipment; and sending the electric energy meter display parameters to the first equipment based on the first equipment information so as to enable the first equipment to store the electric energy meter display parameters in a first type memory of the first equipment.
In the prior art, smart electric meter's storage ability is limited, and simultaneously, smart electric meter's electric energy meter display parameter's data volume is great, and presents explosive growth for smart electric meter is difficult to realize saving a large amount of electric energy meter display parameter, makes smart electric meter's storage capacity weaker, thereby leads to the data management difficulty of ammeter. By adopting the method, the electric energy meter display parameters are stored in the first type of memory of the first equipment in the target Internet of things equipment, so that the intelligent electric meter realizes the storage of a large number of electric energy meter display parameters, the storage capacity of the intelligent electric meter is greatly expanded, and the data management difficulty of the electric meter is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a smart meter in a hardware operating environment according to an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating a data storage method of the smart meter according to a first embodiment of the present invention;
fig. 3 is a block diagram illustrating a first embodiment of a data storage device of an intelligent electric meter according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a smart meter in a hardware operating environment according to an embodiment of the present invention.
Generally, a smart meter includes: at least one processor 301, a memory 302 and a data storage program of the smart meter stored on said memory and operable on said processor, said data storage program of the smart meter being configured to implement the steps of the data storage method of the smart meter as described previously.
The processor 301 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and so on. The processor 301 may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor 301 may also include a main processor and a coprocessor, where the main processor is a processor for processing data in an awake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor 301 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content required to be displayed on the display screen. The processor 301 may further include an AI (Artificial Intelligence) processor for processing data storage method operations related to the smart meter so that the data storage method model of the smart meter can be trained autonomously for learning, improving efficiency and accuracy.
In some embodiments, the terminal may further include: a communication interface 303 and at least one peripheral device. The processor 301, the memory 302 and the communication interface 303 may be connected by a bus or signal lines. Various peripheral devices may be connected to communication interface 303 via a bus, signal line, or circuit board. Specifically, the peripheral device includes: at least one of radio frequency circuitry 304, a display screen 305, and a power source 306.
The communication interface 303 may be used to connect at least one peripheral device related to I/O (Input/Output) to the processor 301 and the memory 302. In some embodiments, processor 301, memory 302, and communication interface 303 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 301, the memory 302 and the communication interface 303 may be implemented on a single chip or circuit board, which is not limited in this embodiment.
The Radio Frequency circuit 304 is used for receiving and transmitting RF (Radio Frequency) signals, also called electromagnetic signals. The radio frequency circuitry 304 communicates with communication networks and other communication devices via electromagnetic signals. The rf circuit 304 converts an electrical signal into an electromagnetic signal to transmit, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 304 comprises: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so forth. The radio frequency circuitry 304 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to: metropolitan area networks, various generation mobile communication networks (2G, 3G, 4G, and 5G), Wireless local area networks, and/or WiFi (Wireless Fidelity) networks. In some embodiments, the rf circuit 304 may further include NFC (Near Field Communication) related circuits, which are not limited in this application.
The display screen 305 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display screen 305 is a touch display screen, the display screen 305 also has the ability to capture touch signals on or over the surface of the display screen 305. The touch signal may be input to the processor 301 as a control signal for processing. At this point, the display screen 305 may also be used to provide virtual buttons and/or a virtual keyboard, also referred to as soft buttons and/or a soft keyboard. In some embodiments, the display screen 305 may be one, the front panel of the electronic device; in other embodiments, the display screens 305 may be at least two, respectively disposed on different surfaces of the electronic device or in a folded design; in still other embodiments, the display screen 305 may be a flexible display screen disposed on a curved surface or a folded surface of the electronic device. Even further, the display screen 305 may be arranged in a non-rectangular irregular figure, i.e. a shaped screen. The Display screen 305 may be made of LCD (liquid crystal Display), OLED (Organic Light-Emitting Diode), and the like.
The power supply 306 is used to power various components in the electronic device. The power source 306 may be alternating current, direct current, disposable or rechargeable. When the power source 306 includes a rechargeable battery, the rechargeable battery may support wired or wireless charging. The rechargeable battery may also be used to support fast charge technology. Those skilled in the art will appreciate that the configuration shown in fig. 1 does not constitute a limitation of the smart meter and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, where a data storage program of the smart meter is stored on the computer-readable storage medium, and when executed by a processor, the data storage program of the smart meter implements the steps of the data storage method of the smart meter as described above. Therefore, a detailed description thereof will be omitted. In addition, the beneficial effects of the same method are not described in detail. For technical details not disclosed in embodiments of the computer-readable storage medium referred to in the present application, reference is made to the description of embodiments of the method of the present application. Determining by way of example, the program instructions may be deployed for execution on one smart meter, or on multiple smart meters located at one site, or on multiple smart meter devices distributed across multiple sites and interconnected by a communications network.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The computer-readable storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
Based on the hardware structure, the embodiment of the data storage method of the intelligent electric meter is provided.
Referring to fig. 2, fig. 2 is a schematic flowchart of a first embodiment of a data storage method of a smart meter according to the present invention, where the method is used for a smart meter, and the method includes the following steps:
step S11: the method comprises the steps of obtaining electric energy meter display parameters of the intelligent electric meter and first data volume of the electric energy meter display parameters based on a received obtaining instruction, and obtaining a first residual value of an idle storage space of a first type of storage of target Internet of things equipment in a target Internet of things.
It should be noted that, the execution main body of the invention is the smart meter, the smart meter is installed with the data storage program of the smart meter, the structure of the smart meter refers to the above description, which is not repeated herein, and the steps of the data storage method of the smart meter of the invention are implemented when the smart meter executes the data storage program of the smart meter.
The obtaining instruction may be directly sent to the smart meter by the user, or may be automatically generated by the smart meter when a preset time interval is reached, or may be automatically generated by the smart meter when the data amount of the display parameter of the electric energy meter reaches a preset maximum value, which is not limited in the present invention. The first data amount is the data size of the display parameter of the electric energy meter, such as 10M or 20M.
The target internet of things can be any structure and form of internet of things, all internet of things equipment in the target internet of things are the target internet of things equipment, and the target internet of things equipment can also be some specific partial equipment determined by a user in the target internet of things. The target internet of things device generally has a first type memory (flash memory in the present invention) and a second type memory (eprom memory), the first type memory of the target internet of things device is in use and stores data of the target internet of things device itself, generally, the first type memory of the target internet of things device is not full, and the size of the remaining storage space of the first type memory of the target internet of things device is the first remaining value.
In some embodiments, the smart meter and the target internet-of-things device in the target internet of things are connected through a router (or a gateway), and the router may also become an execution subject of the present invention, that is, all steps of the present invention may also be executed by the router.
Step S12: and screening out first equipment from the target Internet of things equipment by using the first residual value and the first data volume.
And after the first residual value and the first data volume are obtained, screening out first equipment in the target Internet of things equipment by using the first residual value and the first data volume, wherein the first equipment generally comprises a plurality of pieces of equipment, and the first equipment is the Internet of things equipment which is selected at last in the target Internet of things equipment and is used for storing the display parameters of the electric energy meter.
Specifically, before the step of screening out the first device from the target internet of things devices by using the first remaining value and the first data volume, the method further includes: acquiring the data transmission quantity of the target Internet of things equipment; determining third equipment in the target Internet of things equipment by using the data transmission quantity; determining a first selected residual value corresponding to the third device from the first residual values; correspondingly, the step of screening out the first device from the target internet of things devices by using the first remaining value and the first data volume includes: calculating a first difference between the first selected remaining value and the first amount of data; screening out fourth equipment with the first difference value within a preset interval from the third equipment; acquiring a first number of minimum data units included in the display parameters of the electric energy meter; acquiring a second number of minimum storage units included in a first type of storage of the fourth equipment; and determining the first equipment in the fourth equipment by using the first quantity and the second quantity.
It should be noted that, firstly, the smart electric meter needs to acquire a data transmission quantity of the target internet of things device, and the data transmission quantity is used for representing a data transmission condition of the target internet of things device and other devices; generally, the data transmission amount of the target internet of things device refers to the data transmission amount in a fixed time, for example, 10 minutes; when the data transmission quantity of the internet of things equipment is 0, the internet of things equipment is in a dormant state, a disconnected state, a fault state or the like, and data storage cannot be carried out by the internet of things equipment; when the data transmission quantity of the internet of things equipment is not 0, the internet of things equipment is in an active state, and data storage can be performed by using the internet of things equipment. The third device is the device with the data transmission amount not being 0 in the target internet of things device. In all the first remaining values corresponding to the target internet of things device, the first remaining value corresponding to the third device is the first selected remaining value, and generally the third device also includes a plurality of remaining values.
In this embodiment, a third device corresponds to a first difference, the first difference of the third device is used to indicate a difference between the remaining space of the first type memory of the device and the data size of the display parameter of the electric energy meter, and generally, the device whose difference is within a preset interval is screened as a fourth device; in the present invention, the preset interval may include [2M, 20M ], [20M, 200M ], [200M, 2000M ], and the like, that is, the third device whose first difference is in the preset interval is the fourth device, wherein the fourth device may be further divided into three types, that is, a low-storage fourth device (the first difference is in the interval [2M, 20M ]), a medium-storage fourth device (the first difference is in the interval [20M, 200M ]) and a high-storage fourth device (the first difference is in the interval [200M, 2000M) ], and for each fourth device, the subsequent determining step of the first device is continued according to the method of the present invention.
For the electric energy meter display parameter, a minimum data unit is provided, for the first type of memory, a minimum storage unit is provided, and one minimum data unit is used for being stored in one minimum storage unit, at this time, the number of the minimum data units included in the electric energy meter display parameter, that is, the first number, and the number of the minimum storage units included in the first type of memory of the fourth device, that is, the second number, need to be obtained, and then the first device is determined in the fourth device continuously by using the first number and the second number.
Specifically, the step of determining the first device in the fourth device by using the first number and the second number includes: calculating a second difference between the second quantity and the first quantity; determining a second selected remaining value corresponding to the fourth device from the first selected remaining values; calculating a third difference of the second selected residue value and the second difference; determining the first device in the fourth device based on the third difference.
Calculating the difference value between the number of the minimum storage units included in the first type memory of the fourth device and the number of the minimum data units included in the display parameters of the electric energy meter, wherein the difference value is the second difference value; a first selected residual value corresponding to a fourth device in the first selected residual values is the second selected residual value; and then calculating the difference between the second selected remaining value of the fourth device and the second difference value as the third difference value. The first device is typically determined to be the device in the fourth device having more than half the second selected remaining value of the third difference.
Through the multiple screening steps, the residual storage space of the first-class storage of the first equipment is ensured to be sufficient, and the data size of the display parameters of the electric energy meter can be stored perfectly.
Step S13: and acquiring first equipment information of the first equipment.
Step S14: and sending the electric energy meter display parameters to the first equipment based on the first equipment information so as to enable the first equipment to store the electric energy meter display parameters in a first type memory of the first equipment.
After the first device is determined, the device information of the first device (the first device information) is used for sending the electric energy meter display parameters to the first device. The first device information may be a device identification of the first device (which may include a device name, a device code, device vendor information, and the like).
In the invention, the data volume of the display parameters of the electric energy meter is larger, so that the display parameters are stored in a first type memory (flash memory) of the first equipment.
Further, the first device information includes a bandwidth value, and before the step of sending the electric energy meter display parameter to the first device based on the first device information, the method further includes: screening a plurality of first devices and a plurality of pieces of first device information corresponding to the plurality of first devices in the first devices according to the bandwidth values; encoding each piece of equipment information in the plurality of pieces of first equipment information by using at least two encoding algorithms in preset encoding algorithms to obtain a plurality of pieces of encoding equipment information, wherein the encoding equipment information comprises an encoding field and an encoding field length; performing left shift merging on the plurality of pieces of coding equipment information through a first preset formula to obtain combined coding equipment information, wherein the first preset formula is as follows:
wherein the content of the first and second substances,Trepresents the information of the combined encoding apparatus,
it is indicated that the left-hand shift,m i is shown asiA code field length corresponding to the first device information,
indicates a left shiftm i The position of each of the plurality of positions,encode i is shown asiAn encoded field corresponding to the first device information,nrepresenting a specific number of first devices screened among the first devices according to the bandwidth value,bw l is shown aslThe bandwidth value of the first device screened out from the target Internet of things devices,BW j is shown asjThe bandwidth value of the first device screened out from the target Internet of things devices,Krepresenting a total number of first devices screened in the target internet of things device,
representing a screening weight; performing value negation on the combined coding information through a second preset formula to create a check bit, and obtaining result coding equipment information, wherein the second preset formula is as follows:
wherein the content of the first and second substances,qindicating the resulting encoding device information corresponding to the combined encoded information,Tthe coded information is combined with the coded information,Crc() A function representing a negation creating check bit; the step of sending the electric energy meter display parameter to the first device based on the first device information includes: based on the plurality of pieces of first equipment information, the electric energy meter display parameters, the combined coding equipment information and the result coding equipment information are sent to the first equipment, so that the first equipment verifies the combined coding equipment information by using the result coding equipment information, and when the verification is successful, the electric energy meter display parameters are stored in the first equipmentA first type of memory of the device.
It should be noted that, in this embodiment, the first device includes a plurality of first devices, so the first device information includes a plurality of first device information corresponding to the plurality of first devices, and one first device corresponds to one first device information. The preset coding algorithm may include ascii and unicode, and the preset coding may also include other algorithms, etc. in the present invention, the equipment information is mainly coded by using ascii and unicode.
For each piece of equipment information in the plurality of pieces of first equipment information, the equipment information is coded by using ascii and unicode to obtain one piece of coding equipment information, after the coding of the plurality of pieces of first equipment information is finished, the plurality of pieces of coding equipment information are obtained, and the plurality of pieces of coding equipment information are spliced into the combined coding equipment information according to a certain sequence (the obtaining sequence of the equipment information or the fixed sequence set by a user, etc.). For example, the first device information includes a information and B information, the corresponding pieces of encoding device information are A1 and B1, respectively, and the corresponding combined encoding device information is A1B 1.
For example, the step of obtaining the combined coding information may be performed as follows:
dev1(x1) = { "bingxiang 1" }// refrigerator appliance 1
dev2(x2) = { "xiyiji 2" }// washing machine apparatus 2
dev3(x3) = { "tv 3" }// tv device 3
flashDev_total（x1）=dev1（x1）<<32bit |dev2（x2）<<64bit |dev3（x3）<<128bit ={“tv3 xiyiji2bingxiang1”}//
For another example:
dev1(x1)={“jiashiqi1”}//jiashiqi1
dev2(x2) = { "saodiiqiren 2" }// sweeping robot 2
dev3(x3) = { "zhinengdeng 3" }// smart lamp 3
flashDev_total（x1）=dev1（x1）<<8bit |dev2（x2）<<16bit |dev3（x3）<<32bit ={“zhinengdeng3saodijiqiren2jiashiqi1”}//
And then, carrying out value negation on the combined coding information to obtain intermediate coding equipment information, wherein the intermediate coding equipment information determines a check bit by using an Crc (cyclic redundancy check) method, and the coding equipment information with the check bit is the result coding equipment information.
For example, the step of creating the check bits may be as follows:
Cun71（x1）=0xff
Crc（x1）=～Cun71（x1）=0x00//
where 71 is a buffer for storing intermediate coding device information, and the code indicates creation of a check bit for the intermediate coding device information in the buffer 71.
After receiving the electric energy meter display parameters, the combined coding equipment information and the result coding equipment information, the first equipment performs value negation on the result coding equipment information by using a check bit in the result coding equipment information to obtain corresponding combined coding equipment information, then performs matching by using the combined coding equipment information and the received combined coding equipment information, if the combined coding equipment information and the received combined coding equipment information are matched (the combined coding equipment information and the combined coding equipment information are the same), the verification is successful, and the electric energy meter display parameters can be stored in a first type memory of the first equipment only after the verification is successful. And if the electric energy meter display parameters are not matched, the verification fails, and the electric energy meter display parameters are not stored in the first type memory of the first equipment.
In some embodiments, a new parameter field may be obtained by summing fields shifted to the left by adding two fields to a byte of a display parameter of the electric energy meter, and meanwhile, a new instruction field is obtained by summing fields shifted to the left by adding two fields to a byte of a storage command (a command for controlling the first device to perform a data storage action) sent by the smart meter to the first device, and the two new fields are sent to the first device, so that the first device obtains a storage instruction by using the new instruction field, obtains a display parameter of the electric energy meter by using the parameter field, and stores the display parameter of the electric energy meter in the first type memory of the first device based on the storage instruction.
Further, after the step of sending the electric energy meter display parameter to the first device based on the first device information, the method further includes: when a data acquisition request sent by a fifth device in the first devices is received, determining a sixth device in the first devices, wherein the data acquisition request is obtained when the display parameters of the stored electric energy meter are damaged; acquiring a complete electric energy meter display parameter from a first type memory of the sixth equipment; and sending the complete electric energy meter display parameters to the fifth equipment based on the equipment information of the fifth equipment, so that the fifth equipment determines repair data in the complete electric energy meter display parameters based on the comparison result of the complete electric energy meter display parameters and the stored electric energy meter display parameters, and performs data repair on the stored electric energy meter display parameters by using the repair data.
In this embodiment, all the devices in the first device may execute the above method of the present invention multiple times, so as to achieve multiple times of obtaining the display parameters of the electric energy meter, that is, the display parameters of the stored electric energy meter at least include the display parameters of the electric energy meter in step S11, and similarly, the display parameters of the complete electric energy meter at least include the display parameters of the electric energy meter in step S11.
When the stored electric energy meter display parameters (stored electric energy meter display parameters) in one internet of things device or a plurality of internet of things devices are damaged, a user sends a data acquisition request based on a demand, or an intelligent electric meter automatically generates a data acquisition request, and meanwhile, the internet of things device at the moment is the fifth device. The sixth device may be any one of the internet of things devices in the first device that does not include the fifth device.
And the electric energy meter display parameters stored in the sixth device are not damaged, and at the moment, the electric energy meter display parameters are the complete electric energy meter display parameters. And sending the complete electric energy meter display parameter to a fifth device by using device information of the fifth device, so that the fifth device determines different bytes (different byte parts in the stored electric energy meter display parameter are error bytes) in the complete electric energy meter display parameter based on a comparison result of the complete electric energy meter display parameter and the stored electric energy meter display parameter, the different bytes are repair data, and the repair data is used for replacing the corresponding error bytes in the stored electric energy meter display parameter, so as to realize data repair. In this embodiment, the replacement of all data is not required, increasing the rate of data repair.
Further, after the step of sending the electric energy meter display parameter to the first device based on the first device information, the method further includes: acquiring the network signal intensity of the first equipment and the transmission distance between the first equipment and the intelligent electric meter based on the received display instruction; determining a seventh device in the first device based on the network signal strength and the transmission distance; acquiring display parameters of the electric energy meter from the seventh equipment; and displaying the display parameters of the display electric energy meter.
Generally, the display instruction enables a user to send the display instruction or enables the user to send a display operation, the smart meter generates the display instruction, and the display instruction can further include information of a certain time period corresponding to the required electric energy meter display parameter for display.
In this embodiment, all the devices in the first device may perform the above method of the present invention multiple times, so as to achieve multiple times of obtaining the display parameters of the electric energy meter, that is, the display parameters of the electric energy meter stored in the seventh device at least include the display parameters of the electric energy meter in step S11, and similarly, the display parameters of the electric energy meter at least include the display parameters of the electric energy meter in step S11. The display power meter display parameter may be a part of the power meter display parameter stored by the seventh device (for example, data included in the display instruction for a certain period of time).
Generally, the first devices are all intact, the electric energy meter display parameters stored in the first devices are also intact, if there is an internet of things equipment fault or the electric energy meter display parameters stored in the internet of things devices are damaged, the internet of things devices need to be removed from the first devices, that is, the first devices only include devices with intact devices and intact data.
Generally, the device with the best network signal strength and the closest transmission distance is determined to be the seventh device in the first device, so as to ensure that the acquisition speed and the transmission speed of the display parameters of the electric energy meter are high, and ensure that the transmission process is stable.
Further, the method further comprises: acquiring the electric energy meter specific parameter of the intelligent electric meter and a second data volume of the electric energy meter specific parameter based on the received acquisition instruction, and acquiring a second residual value of an idle storage space of a second type of storage of target Internet of things equipment in the target Internet of things; screening out second equipment from the target Internet of things equipment by using the second residual value and the second data volume; acquiring second equipment information of the second equipment; and sending the electric energy meter specific parameters to the second equipment based on the second equipment information so as to enable the second equipment to store the electric energy meter specific parameters in a second type memory of the second equipment.
In this embodiment, the data volume of the energy meter specific parameter is small and is typically stored in a second type of memory (eeprom memory) in the second device. The embodiment can refer to the above processing procedure of the electric energy meter display parameter, and the procedure is completely similar, namely:
before the step of screening out the second device from the target internet of things devices by using the second remaining value and the second data volume, the method further includes: acquiring the data transmission quantity of the target Internet of things equipment; determining eighth equipment in the target Internet of things equipment by using the data transmission quantity; determining a third selected residual value corresponding to the eighth device from the second residual values; correspondingly, the step of screening out the second device from the target internet of things devices by using the second remaining value and the second data volume includes: calculating a fourth difference between the third selected remaining value and the second amount of data;
screening out ninth equipment with a fourth difference value within a new preset interval from the eighth equipment; acquiring a third number of minimum data units included in the specific parameters of the electric energy meter; acquiring a fourth number of minimum storage units included in a second type memory of the ninth device; and determining the second equipment in the fourth equipment by using the fourth quantity and the third quantity.
The new preset interval may include [2B, 20B ], [20B, 200B ], [200B, 2000B ], and the like, that is, the eighth device whose fourth difference is in the preset interval is the ninth device, where the ninth device may be further divided into three types, that is, a low-storage fourth ninth device (the first difference is in the interval [2B, 20B ]), a medium-storage ninth device (the first difference is in the interval [20B, 200B ]), and a high-storage ninth device (the first difference is in the interval [200B, 2000B ]), and for each ninth device, the subsequent determining step of the second device is continued according to the method of the present invention.
The step of determining the second device in the fourth device by using the fourth number and the third number includes: calculating a fifth difference between the fourth quantity and the third quantity; determining a fourth selected remaining value corresponding to the ninth device from the third selected remaining values; calculating a sixth difference value of the fourth selected residue value and the fifth difference value; determining, in the ninth device, the second device based on the sixth difference.
Regarding the subsequent steps of encoding, verifying, data repairing and the like, the above processing procedure of the electric energy meter display parameters is referred to, and details are not repeated here.
The technical scheme of the invention provides a data storage method of an intelligent ammeter, which is used for the intelligent ammeter and comprises the following steps: acquiring an electric energy meter display parameter of the intelligent electric meter and a first data volume of the electric energy meter display parameter based on a received acquisition instruction, and acquiring a first residual value of an idle storage space of a first type of storage of target Internet of things equipment in a target Internet of things; screening out first equipment from the target Internet of things equipment by using the first residual value and the first data volume; acquiring first equipment information of the first equipment; and sending the electric energy meter display parameters to the first equipment based on the first equipment information so as to enable the first equipment to store the electric energy meter display parameters in a first type memory of the first equipment.
In the prior art, smart electric meter's storage ability is limited, and simultaneously, smart electric meter's electric energy meter display parameter's data volume is great, and presents explosive growth for smart electric meter is difficult to realize saving a large amount of electric energy meter display parameter, makes smart electric meter's storage capacity weaker, thereby leads to the data management difficulty of ammeter. By adopting the method, the electric energy meter display parameters are stored in the first type of memory of the first equipment in the target Internet of things equipment, so that the intelligent electric meter realizes the storage of a large number of electric energy meter display parameters, the storage capacity of the intelligent electric meter is greatly expanded, and the data management difficulty of the electric meter is reduced.
Referring to the table 1-table 2, the table 1 is a first example table of the display parameters of the electric energy meter, and the table 2 is a second example table of the display parameters of the electric energy meter, and the table is as follows:
TABLE 1
TABLE 2
Referring to tables 3-4, table 1 is a first example table of the specific parameters of the electric energy meter of the present invention, and table 2 is a second example table of the specific parameters of the electric energy meter of the present invention, as follows:
TABLE 3
TABLE 4
Referring to fig. 3, fig. 3 is a block diagram illustrating a first embodiment of a data storage device of a smart meter according to the present invention, the device is used for a smart meter, and the device includes:
the receiving module 10 is configured to obtain an electric energy meter display parameter of the smart electric meter and a first data amount of the electric energy meter display parameter based on the received obtaining instruction, and obtain a first remaining value of an idle storage space of a first type of storage of a target internet of things device in a target internet of things;
the screening module 20 is configured to screen out first equipment from the target internet of things equipment by using the first remaining value and the first data volume;
an obtaining module 30, configured to obtain first device information of the first device;
a sending module 40, configured to send the electric energy meter display parameter to the first device based on the first device information, so that the first device stores the electric energy meter display parameter in a first type memory of the first device.
It should be noted that, since the steps executed by the apparatus of this embodiment are the same as the steps of the foregoing method embodiment, the specific implementation and the achievable technical effects thereof can refer to the foregoing embodiment, and are not described herein again.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A data storage method of a smart meter is characterized by being used for the smart meter, and the method comprises the following steps:
acquiring an electric energy meter display parameter of the intelligent electric meter and a first data volume of the electric energy meter display parameter based on a received acquisition instruction, and acquiring a first residual value of an idle storage space of a first type of storage of target Internet of things equipment in a target Internet of things;
screening out first equipment from the target Internet of things equipment by using the first residual value and the first data volume;
acquiring first equipment information of the first equipment;
sending the electric energy meter display parameters to the first equipment based on the first equipment information so as to enable the first equipment to store the electric energy meter display parameters in a first type memory of the first equipment;
before the step of screening out the first device from the target internet of things devices by using the first remaining value and the first data volume, the method further includes:
acquiring the data transmission quantity of the target Internet of things equipment;
determining third equipment in the target Internet of things equipment by using the data transmission quantity;
determining a first selected residual value corresponding to the third device from the first residual values;
the step of screening out the first device from the target internet of things devices by using the first remaining value and the first data volume includes:
calculating a first difference between the first selected remaining value and the first amount of data;
screening out fourth equipment with the first difference value within a preset interval from the third equipment;
acquiring a first number of minimum data units included in the display parameters of the electric energy meter;
acquiring a second number of minimum storage units included in a first type of storage of the fourth equipment;
and determining the first equipment in the fourth equipment by using the first quantity and the second quantity.
2. The method of claim 1, wherein the method further comprises:
acquiring the electric energy meter specific parameter of the intelligent electric meter and a second data volume of the electric energy meter specific parameter based on the received acquisition instruction, and acquiring a second residual value of an idle storage space of a second type of storage of target Internet of things equipment in the target Internet of things;
screening out second equipment from the target Internet of things equipment by using the second residual value and the second data volume;
acquiring second equipment information of the second equipment;
and sending the electric energy meter specific parameters to the second equipment based on the second equipment information so as to enable the second equipment to store the electric energy meter specific parameters in a second type memory of the second equipment.
3. The method of claim 1, wherein said step of determining said first device among said fourth devices using said first number and said second number comprises:
calculating a second difference between the second quantity and the first quantity;
determining a second selected remaining value corresponding to the fourth device from the first selected remaining values;
calculating a third difference of the second selected residue value and the second difference;
determining the first device in the fourth device based on the third difference.
4. The method of claim 1, wherein the first device information includes a bandwidth value, and wherein prior to the step of sending the power meter display parameter to the first device based on the first device information, the method further comprises:
screening a plurality of first devices and a plurality of pieces of first device information corresponding to the plurality of first devices in the first devices according to the bandwidth values;
encoding each piece of equipment information in the plurality of pieces of first equipment information by using at least two encoding algorithms in preset encoding algorithms to obtain a plurality of pieces of encoding equipment information, wherein the encoding equipment information comprises an encoding field and an encoding field length;
performing left shift merging on the plurality of pieces of coding equipment information through a first preset formula to obtain combined coding equipment information, wherein the first preset formula is as follows:
wherein the content of the first and second substances,Trepresents the information of the combined encoding apparatus,m i is shown asiA code field length corresponding to the first device information,encode i is shown asiAn encoded field corresponding to the first device information,nrepresenting a specific number of first devices screened among the first devices according to the bandwidth value,bw l is shown aslThe bandwidth value of the first device screened out from the target Internet of things devices,BW j is shown asjThe bandwidth value of the first device screened out from the target Internet of things devices,Krepresenting a total number of first devices screened in the target internet of things device,
representing a screening weight;
performing value negation on the combined coding information through a second preset formula to create a check bit, and obtaining result coding equipment information, wherein the second preset formula is as follows:
wherein the content of the first and second substances,qindicating the resulting encoding device information corresponding to the combined encoded information,Tthe coded information is combined with the coded information,Crc() A function representing a negation creating check bit;
the step of sending the electric energy meter display parameter to the first device based on the first device information includes:
and sending the electric energy meter display parameters, the combined coding equipment information and the result coding equipment information to the first equipment based on the plurality of pieces of first equipment information, so that the first equipment verifies the combined coding equipment information by using the result coding equipment information, and when the verification is successful, storing the electric energy meter display parameters in a first type memory of the first equipment.
5. The method of claim 1, wherein after the step of transmitting the power meter display parameter to the first device based on the first device information, the method further comprises:
when a data acquisition request sent by a fifth device in the first devices is received, determining a sixth device in the first devices, wherein the data acquisition request is obtained when the display parameters of the stored electric energy meter are damaged;
acquiring a complete electric energy meter display parameter from a first type memory of the sixth equipment;
and sending the complete electric energy meter display parameters to the fifth equipment based on the equipment information of the fifth equipment, so that the fifth equipment determines repair data in the complete electric energy meter display parameters based on the comparison result of the complete electric energy meter display parameters and the stored electric energy meter display parameters, and performs data repair on the stored electric energy meter display parameters by using the repair data.
6. The method of claim 1, wherein after the step of transmitting the power meter display parameter to the first device based on the first device information, the method further comprises:
acquiring the network signal intensity of the first equipment and the transmission distance between the first equipment and the intelligent electric meter based on the received display instruction;
determining a seventh device in the first device based on the network signal strength and the transmission distance;
acquiring display parameters of the electric energy meter from the seventh equipment;
and displaying the display parameters of the display electric energy meter.
7. A smart meter, characterized in that it comprises: memory, processor and data storage program stored on the memory and running on the processor of the smart meter, the data storage program of the smart meter when executed by the processor implementing the steps of the data storage method of the smart meter according to any one of claims 1 to 6.
8. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a data storage program of a smart meter, which when executed by a processor implements the steps of the data storage method of a smart meter according to any one of claims 1 to 6.
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